diff options
Diffstat (limited to 'drivers/usb')
58 files changed, 5199 insertions, 1975 deletions
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index 3639c3f8d357..36e476dd9123 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -38,6 +38,7 @@ obj-$(CONFIG_USB_XPAD) += input/ obj-$(CONFIG_USB_DABUSB) += media/ obj-$(CONFIG_USB_DSBR) += media/ +obj-$(CONFIG_USB_ET61X251) += media/ obj-$(CONFIG_USB_IBMCAM) += media/ obj-$(CONFIG_USB_KONICAWC) += media/ obj-$(CONFIG_USB_OV511) += media/ diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index af0a41e7870e..04631dcbabbc 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -36,6 +36,7 @@ #include <linux/init.h> #include <linux/device.h> /* FIXME: linux/firmware.h should include it itself */ #include <linux/firmware.h> +#include <linux/mutex.h> #include "usbatm.h" @@ -160,7 +161,7 @@ struct cxacru_data { struct work_struct poll_work; /* contol handles */ - struct semaphore cm_serialize; + struct mutex cm_serialize; u8 *rcv_buf; u8 *snd_buf; struct urb *rcv_urb; @@ -219,7 +220,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm, goto fail; } - down(&instance->cm_serialize); + mutex_lock(&instance->cm_serialize); /* submit reading urb before the writing one */ init_completion(&instance->rcv_done); @@ -288,7 +289,7 @@ static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm, ret = offd; dbg("cm %#x", cm); fail: - up(&instance->cm_serialize); + mutex_unlock(&instance->cm_serialize); return ret; } @@ -352,7 +353,6 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance, struct atm_dev *atm_dev) { struct cxacru_data *instance = usbatm_instance->driver_data; - struct device *dev = &usbatm_instance->usb_intf->dev; /* struct atm_dev *atm_dev = usbatm_instance->atm_dev; */ @@ -364,14 +364,14 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance, ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_MAC_ADDRESS, NULL, 0, atm_dev->esi, sizeof(atm_dev->esi)); if (ret < 0) { - dev_err(dev, "cxacru_atm_start: CARD_GET_MAC_ADDRESS returned %d\n", ret); + atm_err(usbatm_instance, "cxacru_atm_start: CARD_GET_MAC_ADDRESS returned %d\n", ret); return ret; } /* start ADSL */ ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0); if (ret < 0) { - dev_err(dev, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret); + atm_err(usbatm_instance, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret); return ret; } @@ -383,13 +383,13 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance, static void cxacru_poll_status(struct cxacru_data *instance) { u32 buf[CXINF_MAX] = {}; - struct device *dev = &instance->usbatm->usb_intf->dev; - struct atm_dev *atm_dev = instance->usbatm->atm_dev; + struct usbatm_data *usbatm = instance->usbatm; + struct atm_dev *atm_dev = usbatm->atm_dev; int ret; ret = cxacru_cm_get_array(instance, CM_REQUEST_CARD_INFO_GET, buf, CXINF_MAX); if (ret < 0) { - dev_warn(dev, "poll status: error %d\n", ret); + atm_warn(usbatm, "poll status: error %d\n", ret); goto reschedule; } @@ -400,50 +400,50 @@ static void cxacru_poll_status(struct cxacru_data *instance) switch (instance->line_status) { case 0: atm_dev->signal = ATM_PHY_SIG_LOST; - dev_info(dev, "ADSL line: down\n"); + atm_info(usbatm, "ADSL line: down\n"); break; case 1: atm_dev->signal = ATM_PHY_SIG_LOST; - dev_info(dev, "ADSL line: attemtping to activate\n"); + atm_info(usbatm, "ADSL line: attempting to activate\n"); break; case 2: atm_dev->signal = ATM_PHY_SIG_LOST; - dev_info(dev, "ADSL line: training\n"); + atm_info(usbatm, "ADSL line: training\n"); break; case 3: atm_dev->signal = ATM_PHY_SIG_LOST; - dev_info(dev, "ADSL line: channel analysis\n"); + atm_info(usbatm, "ADSL line: channel analysis\n"); break; case 4: atm_dev->signal = ATM_PHY_SIG_LOST; - dev_info(dev, "ADSL line: exchange\n"); + atm_info(usbatm, "ADSL line: exchange\n"); break; case 5: atm_dev->link_rate = buf[CXINF_DOWNSTREAM_RATE] * 1000 / 424; atm_dev->signal = ATM_PHY_SIG_FOUND; - dev_info(dev, "ADSL line: up (%d kb/s down | %d kb/s up)\n", + atm_info(usbatm, "ADSL line: up (%d kb/s down | %d kb/s up)\n", buf[CXINF_DOWNSTREAM_RATE], buf[CXINF_UPSTREAM_RATE]); break; case 6: atm_dev->signal = ATM_PHY_SIG_LOST; - dev_info(dev, "ADSL line: waiting\n"); + atm_info(usbatm, "ADSL line: waiting\n"); break; case 7: atm_dev->signal = ATM_PHY_SIG_LOST; - dev_info(dev, "ADSL line: initializing\n"); + atm_info(usbatm, "ADSL line: initializing\n"); break; default: atm_dev->signal = ATM_PHY_SIG_UNKNOWN; - dev_info(dev, "Unknown line state %02x\n", instance->line_status); + atm_info(usbatm, "Unknown line state %02x\n", instance->line_status); break; } reschedule: @@ -504,8 +504,8 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, { int ret; int off; - struct usb_device *usb_dev = instance->usbatm->usb_dev; - struct device *dev = &instance->usbatm->usb_intf->dev; + struct usbatm_data *usbatm = instance->usbatm; + struct usb_device *usb_dev = usbatm->usb_dev; u16 signature[] = { usb_dev->descriptor.idVendor, usb_dev->descriptor.idProduct }; u32 val; @@ -515,7 +515,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, val = cpu_to_le32(instance->modem_type->pll_f_clk); ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLFCLK_ADDR, (u8 *) &val, 4); if (ret) { - dev_err(dev, "FirmwarePllFClkValue failed: %d\n", ret); + usb_err(usbatm, "FirmwarePllFClkValue failed: %d\n", ret); return; } @@ -523,7 +523,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, val = cpu_to_le32(instance->modem_type->pll_b_clk); ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLBCLK_ADDR, (u8 *) &val, 4); if (ret) { - dev_err(dev, "FirmwarePllBClkValue failed: %d\n", ret); + usb_err(usbatm, "FirmwarePllBClkValue failed: %d\n", ret); return; } @@ -531,14 +531,14 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, val = cpu_to_le32(SDRAM_ENA); ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SDRAMEN_ADDR, (u8 *) &val, 4); if (ret) { - dev_err(dev, "Enable SDRAM failed: %d\n", ret); + usb_err(usbatm, "Enable SDRAM failed: %d\n", ret); return; } /* Firmware */ ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, FW_ADDR, fw->data, fw->size); if (ret) { - dev_err(dev, "Firmware upload failed: %d\n", ret); + usb_err(usbatm, "Firmware upload failed: %d\n", ret); return; } @@ -546,7 +546,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, if (instance->modem_type->boot_rom_patch) { ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_ADDR, bp->data, bp->size); if (ret) { - dev_err(dev, "Boot ROM patching failed: %d\n", ret); + usb_err(usbatm, "Boot ROM patching failed: %d\n", ret); return; } } @@ -554,7 +554,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, /* Signature */ ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SIG_ADDR, (u8 *) signature, 4); if (ret) { - dev_err(dev, "Signature storing failed: %d\n", ret); + usb_err(usbatm, "Signature storing failed: %d\n", ret); return; } @@ -566,7 +566,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, ret = cxacru_fw(usb_dev, FW_GOTO_MEM, 0x0, 0x0, FW_ADDR, NULL, 0); } if (ret) { - dev_err(dev, "Passing control to firmware failed: %d\n", ret); + usb_err(usbatm, "Passing control to firmware failed: %d\n", ret); return; } @@ -580,7 +580,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0); if (ret < 0) { - dev_err(dev, "modem failed to initialize: %d\n", ret); + usb_err(usbatm, "modem failed to initialize: %d\n", ret); return; } @@ -597,7 +597,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, ret = cxacru_cm(instance, CM_REQUEST_CARD_DATA_SET, (u8 *) buf, len, NULL, 0); if (ret < 0) { - dev_err(dev, "load config data failed: %d\n", ret); + usb_err(usbatm, "load config data failed: %d\n", ret); return; } } @@ -608,18 +608,19 @@ static void cxacru_upload_firmware(struct cxacru_data *instance, static int cxacru_find_firmware(struct cxacru_data *instance, char* phase, const struct firmware **fw_p) { - struct device *dev = &instance->usbatm->usb_intf->dev; + struct usbatm_data *usbatm = instance->usbatm; + struct device *dev = &usbatm->usb_intf->dev; char buf[16]; sprintf(buf, "cxacru-%s.bin", phase); dbg("cxacru_find_firmware: looking for %s", buf); if (request_firmware(fw_p, buf, dev)) { - dev_dbg(dev, "no stage %s firmware found\n", phase); + usb_dbg(usbatm, "no stage %s firmware found\n", phase); return -ENOENT; } - dev_info(dev, "found firmware %s\n", buf); + usb_info(usbatm, "found firmware %s\n", buf); return 0; } @@ -627,20 +628,19 @@ static int cxacru_find_firmware(struct cxacru_data *instance, static int cxacru_heavy_init(struct usbatm_data *usbatm_instance, struct usb_interface *usb_intf) { - struct device *dev = &usbatm_instance->usb_intf->dev; const struct firmware *fw, *bp, *cf; struct cxacru_data *instance = usbatm_instance->driver_data; int ret = cxacru_find_firmware(instance, "fw", &fw); if (ret) { - dev_warn(dev, "firmware (cxacru-fw.bin) unavailable (hotplug misconfiguration?)\n"); + usb_warn(usbatm_instance, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n"); return ret; } if (instance->modem_type->boot_rom_patch) { ret = cxacru_find_firmware(instance, "bp", &bp); if (ret) { - dev_warn(dev, "boot ROM patch (cxacru-bp.bin) unavailable (hotplug misconfiguration?)\n"); + usb_warn(usbatm_instance, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n"); release_firmware(fw); return ret; } @@ -667,22 +667,19 @@ static int cxacru_heavy_init(struct usbatm_data *usbatm_instance, } static int cxacru_bind(struct usbatm_data *usbatm_instance, - struct usb_interface *intf, const struct usb_device_id *id, - int *need_heavy_init) + struct usb_interface *intf, const struct usb_device_id *id) { struct cxacru_data *instance; struct usb_device *usb_dev = interface_to_usbdev(intf); int ret; /* instance init */ - instance = kmalloc(sizeof(*instance), GFP_KERNEL); + instance = kzalloc(sizeof(*instance), GFP_KERNEL); if (!instance) { dbg("cxacru_bind: no memory for instance data"); return -ENOMEM; } - memset(instance, 0, sizeof(*instance)); - instance->usbatm = usbatm_instance; instance->modem_type = (struct cxacru_modem_type *) id->driver_info; @@ -721,13 +718,13 @@ static int cxacru_bind(struct usbatm_data *usbatm_instance, instance->snd_buf, PAGE_SIZE, cxacru_blocking_completion, &instance->snd_done, 4); - init_MUTEX(&instance->cm_serialize); + mutex_init(&instance->cm_serialize); INIT_WORK(&instance->poll_work, (void *)cxacru_poll_status, instance); usbatm_instance->driver_data = instance; - *need_heavy_init = cxacru_card_status(instance); + usbatm_instance->flags = (cxacru_card_status(instance) ? 0 : UDSL_SKIP_HEAVY_INIT); return 0; @@ -787,12 +784,12 @@ static const struct usb_device_id cxacru_usb_ids[] = { { /* V = Conexant P = ADSL modem (Hasbani project) */ USB_DEVICE(0x0572, 0xcb00), .driver_info = (unsigned long) &cxacru_cb00 }, - { /* V = Conexant P = ADSL modem (Well PTI-800 */ - USB_DEVICE(0x0572, 0xcb02), .driver_info = (unsigned long) &cxacru_cb00 - }, { /* V = Conexant P = ADSL modem */ USB_DEVICE(0x0572, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00 }, + { /* V = Conexant P = ADSL modem (Well PTI-800) */ + USB_DEVICE(0x0572, 0xcb02), .driver_info = (unsigned long) &cxacru_cb00 + }, { /* V = Conexant P = ADSL modem */ USB_DEVICE(0x0572, 0xcb06), .driver_info = (unsigned long) &cxacru_cb00 }, @@ -835,14 +832,13 @@ static const struct usb_device_id cxacru_usb_ids[] = { MODULE_DEVICE_TABLE(usb, cxacru_usb_ids); static struct usbatm_driver cxacru_driver = { - .owner = THIS_MODULE, .driver_name = cxacru_driver_name, .bind = cxacru_bind, .heavy_init = cxacru_heavy_init, .unbind = cxacru_unbind, .atm_start = cxacru_atm_start, - .in = CXACRU_EP_DATA, - .out = CXACRU_EP_DATA, + .bulk_in = CXACRU_EP_DATA, + .bulk_out = CXACRU_EP_DATA, .rx_padding = 3, .tx_padding = 11, }; diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c index c1b47d74e206..7860c8a5800d 100644 --- a/drivers/usb/atm/speedtch.c +++ b/drivers/usb/atm/speedtch.c @@ -35,12 +35,14 @@ #include <linux/slab.h> #include <linux/stat.h> #include <linux/timer.h> +#include <linux/types.h> +#include <linux/usb_ch9.h> #include <linux/workqueue.h> #include "usbatm.h" #define DRIVER_AUTHOR "Johan Verrept, Duncan Sands <duncan.sands@free.fr>" -#define DRIVER_VERSION "1.9" +#define DRIVER_VERSION "1.10" #define DRIVER_DESC "Alcatel SpeedTouch USB driver version " DRIVER_VERSION static const char speedtch_driver_name[] = "speedtch"; @@ -66,31 +68,42 @@ static const char speedtch_driver_name[] = "speedtch"; #define RESUBMIT_DELAY 1000 /* milliseconds */ -#define DEFAULT_ALTSETTING 1 +#define DEFAULT_BULK_ALTSETTING 1 +#define DEFAULT_ISOC_ALTSETTING 2 #define DEFAULT_DL_512_FIRST 0 +#define DEFAULT_ENABLE_ISOC 0 #define DEFAULT_SW_BUFFERING 0 -static int altsetting = DEFAULT_ALTSETTING; +static unsigned int altsetting = 0; /* zero means: use the default */ static int dl_512_first = DEFAULT_DL_512_FIRST; +static int enable_isoc = DEFAULT_ENABLE_ISOC; static int sw_buffering = DEFAULT_SW_BUFFERING; -module_param(altsetting, int, S_IRUGO | S_IWUSR); +module_param(altsetting, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(altsetting, - "Alternative setting for data interface (default: " - __MODULE_STRING(DEFAULT_ALTSETTING) ")"); + "Alternative setting for data interface (bulk_default: " + __MODULE_STRING(DEFAULT_BULK_ALTSETTING) "; isoc_default: " + __MODULE_STRING(DEFAULT_ISOC_ALTSETTING) ")"); module_param(dl_512_first, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(dl_512_first, "Read 512 bytes before sending firmware (default: " __MODULE_STRING(DEFAULT_DL_512_FIRST) ")"); +module_param(enable_isoc, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(enable_isoc, + "Use isochronous transfers if available (default: " + __MODULE_STRING(DEFAULT_ENABLE_ISOC) ")"); + module_param(sw_buffering, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(sw_buffering, "Enable software buffering (default: " __MODULE_STRING(DEFAULT_SW_BUFFERING) ")"); +#define INTERFACE_DATA 1 #define ENDPOINT_INT 0x81 -#define ENDPOINT_DATA 0x07 +#define ENDPOINT_BULK_DATA 0x07 +#define ENDPOINT_ISOC_DATA 0x07 #define ENDPOINT_FIRMWARE 0x05 #define hex2int(c) ( (c >= '0') && (c <= '9') ? (c - '0') : ((c & 0xf) + 9) ) @@ -98,6 +111,8 @@ MODULE_PARM_DESC(sw_buffering, struct speedtch_instance_data { struct usbatm_data *usbatm; + unsigned int altsetting; + struct work_struct status_checker; unsigned char last_status; @@ -205,7 +220,7 @@ static int speedtch_upload_firmware(struct speedtch_instance_data *instance, buffer, 0x200, &actual_length, 2000); if (ret < 0 && ret != -ETIMEDOUT) - usb_dbg(usbatm, "%s: read BLOCK0 from modem failed (%d)!\n", __func__, ret); + usb_warn(usbatm, "%s: read BLOCK0 from modem failed (%d)!\n", __func__, ret); else usb_dbg(usbatm, "%s: BLOCK0 downloaded (%d bytes)\n", __func__, ret); } @@ -219,7 +234,7 @@ static int speedtch_upload_firmware(struct speedtch_instance_data *instance, buffer, thislen, &actual_length, DATA_TIMEOUT); if (ret < 0) { - usb_dbg(usbatm, "%s: write BLOCK1 to modem failed (%d)!\n", __func__, ret); + usb_err(usbatm, "%s: write BLOCK1 to modem failed (%d)!\n", __func__, ret); goto out_free; } usb_dbg(usbatm, "%s: BLOCK1 uploaded (%zu bytes)\n", __func__, fw1->size); @@ -232,7 +247,7 @@ static int speedtch_upload_firmware(struct speedtch_instance_data *instance, buffer, 0x200, &actual_length, DATA_TIMEOUT); if (ret < 0) { - usb_dbg(usbatm, "%s: read BLOCK2 from modem failed (%d)!\n", __func__, ret); + usb_err(usbatm, "%s: read BLOCK2 from modem failed (%d)!\n", __func__, ret); goto out_free; } usb_dbg(usbatm, "%s: BLOCK2 downloaded (%d bytes)\n", __func__, actual_length); @@ -246,7 +261,7 @@ static int speedtch_upload_firmware(struct speedtch_instance_data *instance, buffer, thislen, &actual_length, DATA_TIMEOUT); if (ret < 0) { - usb_dbg(usbatm, "%s: write BLOCK3 to modem failed (%d)!\n", __func__, ret); + usb_err(usbatm, "%s: write BLOCK3 to modem failed (%d)!\n", __func__, ret); goto out_free; } } @@ -259,7 +274,7 @@ static int speedtch_upload_firmware(struct speedtch_instance_data *instance, buffer, 0x200, &actual_length, DATA_TIMEOUT); if (ret < 0) { - usb_dbg(usbatm, "%s: read BLOCK4 from modem failed (%d)!\n", __func__, ret); + usb_err(usbatm, "%s: read BLOCK4 from modem failed (%d)!\n", __func__, ret); goto out_free; } @@ -270,6 +285,11 @@ static int speedtch_upload_firmware(struct speedtch_instance_data *instance, because we're in our own kernel thread anyway. */ msleep_interruptible(1000); + if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->altsetting)) < 0) { + usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->altsetting, ret); + goto out_free; + } + /* Enable software buffering, if requested */ if (sw_buffering) speedtch_set_swbuff(instance, 1); @@ -285,8 +305,8 @@ out: return ret; } -static int speedtch_find_firmware(struct usb_interface *intf, int phase, - const struct firmware **fw_p) +static int speedtch_find_firmware(struct usbatm_data *usbatm, struct usb_interface *intf, + int phase, const struct firmware **fw_p) { struct device *dev = &intf->dev; const u16 bcdDevice = le16_to_cpu(interface_to_usbdev(intf)->descriptor.bcdDevice); @@ -295,24 +315,24 @@ static int speedtch_find_firmware(struct usb_interface *intf, int phase, char buf[24]; sprintf(buf, "speedtch-%d.bin.%x.%02x", phase, major_revision, minor_revision); - dev_dbg(dev, "%s: looking for %s\n", __func__, buf); + usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); if (request_firmware(fw_p, buf, dev)) { sprintf(buf, "speedtch-%d.bin.%x", phase, major_revision); - dev_dbg(dev, "%s: looking for %s\n", __func__, buf); + usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); if (request_firmware(fw_p, buf, dev)) { sprintf(buf, "speedtch-%d.bin", phase); - dev_dbg(dev, "%s: looking for %s\n", __func__, buf); + usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); if (request_firmware(fw_p, buf, dev)) { - dev_warn(dev, "no stage %d firmware found!\n", phase); + usb_err(usbatm, "%s: no stage %d firmware found!\n", __func__, phase); return -ENOENT; } } } - dev_info(dev, "found stage %d firmware %s\n", phase, buf); + usb_info(usbatm, "found stage %d firmware %s\n", phase, buf); return 0; } @@ -323,15 +343,16 @@ static int speedtch_heavy_init(struct usbatm_data *usbatm, struct usb_interface struct speedtch_instance_data *instance = usbatm->driver_data; int ret; - if ((ret = speedtch_find_firmware(intf, 1, &fw1)) < 0) - return ret; + if ((ret = speedtch_find_firmware(usbatm, intf, 1, &fw1)) < 0) + return ret; - if ((ret = speedtch_find_firmware(intf, 2, &fw2)) < 0) { + if ((ret = speedtch_find_firmware(usbatm, intf, 2, &fw2)) < 0) { release_firmware(fw1); return ret; } - ret = speedtch_upload_firmware(instance, fw1, fw2); + if ((ret = speedtch_upload_firmware(instance, fw1, fw2)) < 0) + usb_err(usbatm, "%s: firmware upload failed (%d)!\n", __func__, ret); release_firmware(fw2); release_firmware(fw1); @@ -428,7 +449,9 @@ static void speedtch_check_status(struct speedtch_instance_data *instance) int down_speed, up_speed, ret; unsigned char status; +#ifdef VERBOSE_DEBUG atm_dbg(usbatm, "%s entered\n", __func__); +#endif ret = speedtch_read_status(instance); if (ret < 0) { @@ -441,9 +464,9 @@ static void speedtch_check_status(struct speedtch_instance_data *instance) status = buf[OFFSET_7]; - atm_dbg(usbatm, "%s: line state %02x\n", __func__, status); - if ((status != instance->last_status) || !status) { + atm_dbg(usbatm, "%s: line state 0x%02x\n", __func__, status); + switch (status) { case 0: atm_dev->signal = ATM_PHY_SIG_LOST; @@ -484,7 +507,7 @@ static void speedtch_check_status(struct speedtch_instance_data *instance) default: atm_dev->signal = ATM_PHY_SIG_UNKNOWN; - atm_info(usbatm, "Unknown line state %02x\n", status); + atm_info(usbatm, "unknown line state %02x\n", status); break; } @@ -583,11 +606,6 @@ static int speedtch_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_de atm_dbg(usbatm, "%s entered\n", __func__); - if ((ret = usb_set_interface(usb_dev, 1, altsetting)) < 0) { - atm_dbg(usbatm, "%s: usb_set_interface returned %d!\n", __func__, ret); - return ret; - } - /* Set MAC address, it is stored in the serial number */ memset(atm_dev->esi, 0, sizeof(atm_dev->esi)); if (usb_string(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) { @@ -678,20 +696,27 @@ static void speedtch_release_interfaces(struct usb_device *usb_dev, int num_inte static int speedtch_bind(struct usbatm_data *usbatm, struct usb_interface *intf, - const struct usb_device_id *id, - int *need_heavy_init) + const struct usb_device_id *id) { struct usb_device *usb_dev = interface_to_usbdev(intf); - struct usb_interface *cur_intf; + struct usb_interface *cur_intf, *data_intf; struct speedtch_instance_data *instance; int ifnum = intf->altsetting->desc.bInterfaceNumber; int num_interfaces = usb_dev->actconfig->desc.bNumInterfaces; int i, ret; + int use_isoc; usb_dbg(usbatm, "%s entered\n", __func__); + /* sanity checks */ + if (usb_dev->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) { - usb_dbg(usbatm, "%s: wrong device class %d\n", __func__, usb_dev->descriptor.bDeviceClass); + usb_err(usbatm, "%s: wrong device class %d\n", __func__, usb_dev->descriptor.bDeviceClass); + return -ENODEV; + } + + if (!(data_intf = usb_ifnum_to_if(usb_dev, INTERFACE_DATA))) { + usb_err(usbatm, "%s: data interface not found!\n", __func__); return -ENODEV; } @@ -704,25 +729,71 @@ static int speedtch_bind(struct usbatm_data *usbatm, ret = usb_driver_claim_interface(&speedtch_usb_driver, cur_intf, usbatm); if (ret < 0) { - usb_dbg(usbatm, "%s: failed to claim interface %d (%d)\n", __func__, i, ret); + usb_err(usbatm, "%s: failed to claim interface %2d (%d)!\n", __func__, i, ret); speedtch_release_interfaces(usb_dev, i); return ret; } } } - instance = kmalloc(sizeof(*instance), GFP_KERNEL); + instance = kzalloc(sizeof(*instance), GFP_KERNEL); if (!instance) { - usb_dbg(usbatm, "%s: no memory for instance data!\n", __func__); + usb_err(usbatm, "%s: no memory for instance data!\n", __func__); ret = -ENOMEM; goto fail_release; } - memset(instance, 0, sizeof(struct speedtch_instance_data)); - instance->usbatm = usbatm; + /* altsetting and enable_isoc may change at any moment, so take a snapshot */ + instance->altsetting = altsetting; + use_isoc = enable_isoc; + + if (instance->altsetting) + if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->altsetting)) < 0) { + usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->altsetting, ret); + instance->altsetting = 0; /* fall back to default */ + } + + if (!instance->altsetting && use_isoc) + if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_ISOC_ALTSETTING)) < 0) { + usb_dbg(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_ISOC_ALTSETTING, ret); + use_isoc = 0; /* fall back to bulk */ + } + + if (use_isoc) { + const struct usb_host_interface *desc = data_intf->cur_altsetting; + const __u8 target_address = USB_DIR_IN | usbatm->driver->isoc_in; + int i; + + use_isoc = 0; /* fall back to bulk if endpoint not found */ + + for (i=0; i<desc->desc.bNumEndpoints; i++) { + const struct usb_endpoint_descriptor *endpoint_desc = &desc->endpoint[i].desc; + + if ((endpoint_desc->bEndpointAddress == target_address)) { + use_isoc = (endpoint_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == + USB_ENDPOINT_XFER_ISOC; + break; + } + } + + if (!use_isoc) + usb_info(usbatm, "isochronous transfer not supported - using bulk\n"); + } + + if (!use_isoc && !instance->altsetting) + if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_BULK_ALTSETTING)) < 0) { + usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_BULK_ALTSETTING, ret); + goto fail_free; + } + + if (!instance->altsetting) + instance->altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING; + + usbatm->flags |= (use_isoc ? UDSL_USE_ISOC : 0); + INIT_WORK(&instance->status_checker, (void *)speedtch_check_status, instance); instance->status_checker.timer.function = speedtch_status_poll; @@ -749,13 +820,15 @@ static int speedtch_bind(struct usbatm_data *usbatm, 0x12, 0xc0, 0x07, 0x00, instance->scratch_buffer + OFFSET_7, SIZE_7, 500); - *need_heavy_init = (ret != SIZE_7); + usbatm->flags |= (ret == SIZE_7 ? UDSL_SKIP_HEAVY_INIT : 0); - usb_dbg(usbatm, "%s: firmware %s loaded\n", __func__, need_heavy_init ? "not" : "already"); + usb_dbg(usbatm, "%s: firmware %s loaded\n", __func__, usbatm->flags & UDSL_SKIP_HEAVY_INIT ? "already" : "not"); - if (*need_heavy_init) - if ((ret = usb_reset_device(usb_dev)) < 0) + if (!(usbatm->flags & UDSL_SKIP_HEAVY_INIT)) + if ((ret = usb_reset_device(usb_dev)) < 0) { + usb_err(usbatm, "%s: device reset failed (%d)!\n", __func__, ret); goto fail_free; + } usbatm->driver_data = instance; @@ -787,15 +860,15 @@ static void speedtch_unbind(struct usbatm_data *usbatm, struct usb_interface *in ***********/ static struct usbatm_driver speedtch_usbatm_driver = { - .owner = THIS_MODULE, .driver_name = speedtch_driver_name, .bind = speedtch_bind, .heavy_init = speedtch_heavy_init, .unbind = speedtch_unbind, .atm_start = speedtch_atm_start, .atm_stop = speedtch_atm_stop, - .in = ENDPOINT_DATA, - .out = ENDPOINT_DATA + .bulk_in = ENDPOINT_BULK_DATA, + .bulk_out = ENDPOINT_BULK_DATA, + .isoc_in = ENDPOINT_ISOC_DATA }; static int speedtch_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index 7d2a679989ed..830d2c982670 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -63,11 +63,12 @@ #include <linux/ctype.h> #include <linux/kthread.h> #include <linux/version.h> +#include <linux/mutex.h> #include <asm/unaligned.h> #include "usbatm.h" -#define EAGLEUSBVERSION "ueagle 1.1" +#define EAGLEUSBVERSION "ueagle 1.2" /* @@ -358,16 +359,19 @@ struct intr_pkt { #define INTR_PKT_SIZE 28 static struct usb_driver uea_driver; -static DECLARE_MUTEX(uea_semaphore); +static DEFINE_MUTEX(uea_mutex); static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III"}; static int modem_index; static unsigned int debug; +static int use_iso[NB_MODEM] = {[0 ... (NB_MODEM - 1)] = 1}; static int sync_wait[NB_MODEM]; static char *cmv_file[NB_MODEM]; module_param(debug, uint, 0644); MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); +module_param_array(use_iso, bool, NULL, 0644); +MODULE_PARM_DESC(use_iso, "use isochronous usb pipe for incoming traffic"); module_param_array(sync_wait, bool, NULL, 0644); MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); module_param_array(cmv_file, charp, NULL, 0644); @@ -628,8 +632,7 @@ static int request_dsp(struct uea_softc *sc) dsp_name = FW_DIR "DSPep.bin"; } - ret = request_firmware(&sc->dsp_firm, - dsp_name, &sc->usb_dev->dev); + ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev); if (ret < 0) { uea_err(INS_TO_USBDEV(sc), "requesting firmware %s failed with error %d\n", @@ -744,7 +747,6 @@ static inline int wait_cmv_ack(struct uea_softc *sc) return ret; return (ret == 0) ? -ETIMEDOUT : 0; - } #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 @@ -935,6 +937,7 @@ static int uea_stat(struct uea_softc *sc) * ADI930 don't support it (-EPIPE error). */ if (UEA_CHIP_VERSION(sc) != ADI930 + && !use_iso[sc->modem_index] && sc->stats.phy.dsrate != (data >> 16) * 32) { /* Original timming from ADI(used in windows driver) * 0x20ffff>>16 * 32 = 32 * 32 = 1Mbits @@ -1010,7 +1013,7 @@ static int request_cmvs(struct uea_softc *sc, int ret, size; u8 *data; char *file; - static char cmv_name[256] = FW_DIR; + char cmv_name[FIRMWARE_NAME_MAX]; /* 30 bytes stack variable */ if (cmv_file[sc->modem_index] == NULL) { if (UEA_CHIP_VERSION(sc) == ADI930) @@ -1184,8 +1187,7 @@ static int load_XILINX_firmware(struct uea_softc *sc) } } - /* finish to send the fpga - */ + /* finish to send the fpga */ ret = uea_request(sc, 0xe, 1, 0, NULL); if (ret < 0) { uea_err(INS_TO_USBDEV(sc), @@ -1193,9 +1195,7 @@ static int load_XILINX_firmware(struct uea_softc *sc) goto err1; } - /* - * Tell the modem we finish : de-assert reset - */ + /* Tell the modem we finish : de-assert reset */ value = 0; ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); if (ret < 0) @@ -1209,6 +1209,7 @@ err0: return ret; } +/* The modem send us an ack. First with check if it right */ static void uea_dispatch_cmv(struct uea_softc *sc, struct cmv* cmv) { uea_enters(INS_TO_USBDEV(sc)); @@ -1268,23 +1269,19 @@ bad1: */ static void uea_intr(struct urb *urb, struct pt_regs *regs) { - struct uea_softc *sc = (struct uea_softc *)urb->context; - struct intr_pkt *intr; + struct uea_softc *sc = urb->context; + struct intr_pkt *intr = urb->transfer_buffer; uea_enters(INS_TO_USBDEV(sc)); - if (urb->status < 0) { + if (unlikely(urb->status < 0)) { uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", urb->status); return; } - intr = (struct intr_pkt *) urb->transfer_buffer; - /* device-to-host interrupt */ if (intr->bType != 0x08 || sc->booting) { - uea_err(INS_TO_USBDEV(sc), "wrong intr\n"); - // rebooting ? - // sc->reset = 1; + uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n"); goto resubmit; } @@ -1300,7 +1297,7 @@ static void uea_intr(struct urb *urb, struct pt_regs *regs) break; default: - uea_err(INS_TO_USBDEV(sc), "unknown intr %u\n", + uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n", le16_to_cpu(intr->wInterrupt)); } @@ -1379,7 +1376,7 @@ static void uea_stop(struct uea_softc *sc) int ret; uea_enters(INS_TO_USBDEV(sc)); ret = kthread_stop(sc->kthread); - uea_info(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); + uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); /* stop any pending boot process */ flush_scheduled_work(); @@ -1418,13 +1415,13 @@ static ssize_t read_status(struct device *dev, struct device_attribute *attr, int ret = -ENODEV; struct uea_softc *sc; - down(&uea_semaphore); + mutex_lock(&uea_mutex); sc = dev_to_uea(dev); if (!sc) goto out; ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state); out: - up(&uea_semaphore); + mutex_unlock(&uea_mutex); return ret; } @@ -1434,14 +1431,14 @@ static ssize_t reboot(struct device *dev, struct device_attribute *attr, int ret = -ENODEV; struct uea_softc *sc; - down(&uea_semaphore); + mutex_lock(&uea_mutex); sc = dev_to_uea(dev); if (!sc) goto out; sc->reset = 1; ret = count; out: - up(&uea_semaphore); + mutex_unlock(&uea_mutex); return ret; } @@ -1453,7 +1450,7 @@ static ssize_t read_human_status(struct device *dev, struct device_attribute *at int ret = -ENODEV; struct uea_softc *sc; - down(&uea_semaphore); + mutex_lock(&uea_mutex); sc = dev_to_uea(dev); if (!sc) goto out; @@ -1473,7 +1470,7 @@ static ssize_t read_human_status(struct device *dev, struct device_attribute *at break; } out: - up(&uea_semaphore); + mutex_unlock(&uea_mutex); return ret; } @@ -1485,7 +1482,7 @@ static ssize_t read_delin(struct device *dev, struct device_attribute *attr, int ret = -ENODEV; struct uea_softc *sc; - down(&uea_semaphore); + mutex_lock(&uea_mutex); sc = dev_to_uea(dev); if (!sc) goto out; @@ -1497,7 +1494,7 @@ static ssize_t read_delin(struct device *dev, struct device_attribute *attr, else ret = sprintf(buf, "GOOD\n"); out: - up(&uea_semaphore); + mutex_unlock(&uea_mutex); return ret; } @@ -1511,7 +1508,7 @@ static ssize_t read_##name(struct device *dev, \ int ret = -ENODEV; \ struct uea_softc *sc; \ \ - down(&uea_semaphore); \ + mutex_lock(&uea_mutex); \ sc = dev_to_uea(dev); \ if (!sc) \ goto out; \ @@ -1519,7 +1516,7 @@ static ssize_t read_##name(struct device *dev, \ if (reset) \ sc->stats.phy.name = 0; \ out: \ - up(&uea_semaphore); \ + mutex_unlock(&uea_mutex); \ return ret; \ } \ \ @@ -1617,7 +1614,7 @@ static void create_fs_entries(struct uea_softc *sc, struct usb_interface *intf) } static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, - const struct usb_device_id *id, int *heavy) + const struct usb_device_id *id) { struct usb_device *usb = interface_to_usbdev(intf); struct uea_softc *sc; @@ -1629,16 +1626,14 @@ static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, if (ifnum != UEA_INTR_IFACE_NO) return -ENODEV; - *heavy = sync_wait[modem_index]; + usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); /* interface 1 is for outbound traffic */ ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); if (ret < 0) return ret; - /* ADI930 has only 2 interfaces and inbound traffic - * is on interface 1 - */ + /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */ if (UEA_CHIP_VERSION(id) != ADI930) { /* interface 2 is for inbound traffic */ ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); @@ -1658,6 +1653,25 @@ static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; sc->driver_info = id->driver_info; + /* ADI930 don't support iso */ + if (UEA_CHIP_VERSION(id) != ADI930 && use_iso[sc->modem_index]) { + int i; + + /* try set fastest alternate for inbound traffic interface */ + for (i = FASTEST_ISO_INTF; i > 0; i--) + if (usb_set_interface(usb, UEA_DS_IFACE_NO, i) == 0) + break; + + if (i > 0) { + uea_dbg(usb, "set alternate %d for 2 interface\n", i); + uea_info(usb, "using iso mode\n"); + usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; + } else { + uea_err(usb, "setting any alternate failed for " + "2 interface, using bulk mode\n"); + } + } + ret = uea_boot(sc); if (ret < 0) { kfree(sc); @@ -1701,13 +1715,13 @@ static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) static struct usbatm_driver uea_usbatm_driver = { .driver_name = "ueagle-atm", - .owner = THIS_MODULE, .bind = uea_bind, .atm_start = uea_atm_open, .unbind = uea_unbind, .heavy_init = uea_heavy, - .in = UEA_BULK_DATA_PIPE, - .out = UEA_BULK_DATA_PIPE, + .bulk_in = UEA_BULK_DATA_PIPE, + .bulk_out = UEA_BULK_DATA_PIPE, + .isoc_in = UEA_ISO_DATA_PIPE, }; static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) @@ -1738,9 +1752,9 @@ static void uea_disconnect(struct usb_interface *intf) * Pre-firmware device has one interface */ if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { - down(&uea_semaphore); + mutex_lock(&uea_mutex); usbatm_usb_disconnect(intf); - up(&uea_semaphore); + mutex_unlock(&uea_mutex); uea_info(usb, "ADSL device removed\n"); } diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index 7af1883d4bf9..c1211fc037d9 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -72,6 +72,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> +#include <linux/netdevice.h> #include <linux/proc_fs.h> #include <linux/sched.h> #include <linux/signal.h> @@ -91,19 +92,18 @@ static int usbatm_print_packet(const unsigned char *data, int len); #endif #define DRIVER_AUTHOR "Johan Verrept, Duncan Sands <duncan.sands@free.fr>" -#define DRIVER_VERSION "1.9" +#define DRIVER_VERSION "1.10" #define DRIVER_DESC "Generic USB ATM/DSL I/O, version " DRIVER_VERSION static const char usbatm_driver_name[] = "usbatm"; #define UDSL_MAX_RCV_URBS 16 #define UDSL_MAX_SND_URBS 16 -#define UDSL_MAX_RCV_BUF_SIZE 1024 /* ATM cells */ -#define UDSL_MAX_SND_BUF_SIZE 1024 /* ATM cells */ +#define UDSL_MAX_BUF_SIZE 64 * 1024 /* bytes */ #define UDSL_DEFAULT_RCV_URBS 4 #define UDSL_DEFAULT_SND_URBS 4 -#define UDSL_DEFAULT_RCV_BUF_SIZE 64 /* ATM cells */ -#define UDSL_DEFAULT_SND_BUF_SIZE 64 /* ATM cells */ +#define UDSL_DEFAULT_RCV_BUF_SIZE 64 * ATM_CELL_SIZE /* bytes */ +#define UDSL_DEFAULT_SND_BUF_SIZE 64 * ATM_CELL_SIZE /* bytes */ #define ATM_CELL_HEADER (ATM_CELL_SIZE - ATM_CELL_PAYLOAD) @@ -111,8 +111,8 @@ static const char usbatm_driver_name[] = "usbatm"; static unsigned int num_rcv_urbs = UDSL_DEFAULT_RCV_URBS; static unsigned int num_snd_urbs = UDSL_DEFAULT_SND_URBS; -static unsigned int rcv_buf_size = UDSL_DEFAULT_RCV_BUF_SIZE; -static unsigned int snd_buf_size = UDSL_DEFAULT_SND_BUF_SIZE; +static unsigned int rcv_buf_bytes = UDSL_DEFAULT_RCV_BUF_SIZE; +static unsigned int snd_buf_bytes = UDSL_DEFAULT_SND_BUF_SIZE; module_param(num_rcv_urbs, uint, S_IRUGO); MODULE_PARM_DESC(num_rcv_urbs, @@ -126,15 +126,15 @@ MODULE_PARM_DESC(num_snd_urbs, __MODULE_STRING(UDSL_MAX_SND_URBS) ", default: " __MODULE_STRING(UDSL_DEFAULT_SND_URBS) ")"); -module_param(rcv_buf_size, uint, S_IRUGO); -MODULE_PARM_DESC(rcv_buf_size, - "Size of the buffers used for reception in ATM cells (range: 1-" - __MODULE_STRING(UDSL_MAX_RCV_BUF_SIZE) ", default: " +module_param(rcv_buf_bytes, uint, S_IRUGO); +MODULE_PARM_DESC(rcv_buf_bytes, + "Size of the buffers used for reception, in bytes (range: 1-" + __MODULE_STRING(UDSL_MAX_BUF_SIZE) ", default: " __MODULE_STRING(UDSL_DEFAULT_RCV_BUF_SIZE) ")"); -module_param(snd_buf_size, uint, S_IRUGO); -MODULE_PARM_DESC(snd_buf_size, - "Size of the buffers used for transmission in ATM cells (range: 1-" +module_param(snd_buf_bytes, uint, S_IRUGO); +MODULE_PARM_DESC(snd_buf_bytes, + "Size of the buffers used for transmission, in bytes (range: 1-" __MODULE_STRING(UDSL_MAX_SND_BUF_SIZE) ", default: " __MODULE_STRING(UDSL_DEFAULT_SND_BUF_SIZE) ")"); @@ -166,10 +166,10 @@ struct usbatm_control { /* ATM */ -static void usbatm_atm_dev_close(struct atm_dev *dev); +static void usbatm_atm_dev_close(struct atm_dev *atm_dev); static int usbatm_atm_open(struct atm_vcc *vcc); static void usbatm_atm_close(struct atm_vcc *vcc); -static int usbatm_atm_ioctl(struct atm_dev *dev, unsigned int cmd, void __user * arg); +static int usbatm_atm_ioctl(struct atm_dev *atm_dev, unsigned int cmd, void __user * arg); static int usbatm_atm_send(struct atm_vcc *vcc, struct sk_buff *skb); static int usbatm_atm_proc_read(struct atm_dev *atm_dev, loff_t * pos, char *page); @@ -199,7 +199,7 @@ static inline void usbatm_pop(struct atm_vcc *vcc, struct sk_buff *skb) if (vcc->pop) vcc->pop(vcc, skb); else - dev_kfree_skb(skb); + dev_kfree_skb_any(skb); } @@ -234,8 +234,9 @@ static int usbatm_submit_urb(struct urb *urb) ret = usb_submit_urb(urb, GFP_ATOMIC); if (ret) { - atm_dbg(channel->usbatm, "%s: urb 0x%p submission failed (%d)!\n", - __func__, urb, ret); + if (printk_ratelimit()) + atm_warn(channel->usbatm, "%s: urb 0x%p submission failed (%d)!\n", + __func__, urb, ret); /* consider all errors transient and return the buffer back to the queue */ urb->status = -EAGAIN; @@ -269,10 +270,16 @@ static void usbatm_complete(struct urb *urb, struct pt_regs *regs) spin_unlock_irqrestore(&channel->lock, flags); - if (unlikely(urb->status)) + if (unlikely(urb->status) && + (!(channel->usbatm->flags & UDSL_IGNORE_EILSEQ) || + urb->status != -EILSEQ )) + { + if (printk_ratelimit()) + atm_warn(channel->usbatm, "%s: urb 0x%p failed (%d)!\n", + __func__, urb, urb->status); /* throttle processing in case of an error */ mod_timer(&channel->delay, jiffies + msecs_to_jiffies(THROTTLE_MSECS)); - else + } else tasklet_schedule(&channel->tasklet); } @@ -284,129 +291,167 @@ static void usbatm_complete(struct urb *urb, struct pt_regs *regs) static inline struct usbatm_vcc_data *usbatm_find_vcc(struct usbatm_data *instance, short vpi, int vci) { - struct usbatm_vcc_data *vcc; + struct usbatm_vcc_data *vcc_data; - list_for_each_entry(vcc, &instance->vcc_list, list) - if ((vcc->vci == vci) && (vcc->vpi == vpi)) - return vcc; + list_for_each_entry(vcc_data, &instance->vcc_list, list) + if ((vcc_data->vci == vci) && (vcc_data->vpi == vpi)) + return vcc_data; return NULL; } -static void usbatm_extract_cells(struct usbatm_data *instance, - unsigned char *source, unsigned int avail_data) +static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char *source) { - struct usbatm_vcc_data *cached_vcc = NULL; struct atm_vcc *vcc; struct sk_buff *sarb; - unsigned int stride = instance->rx_channel.stride; - int vci, cached_vci = 0; - short vpi, cached_vpi = 0; - u8 pti; + short vpi = ((source[0] & 0x0f) << 4) | (source[1] >> 4); + int vci = ((source[1] & 0x0f) << 12) | (source[2] << 4) | (source[3] >> 4); + u8 pti = ((source[3] & 0xe) >> 1); - for (; avail_data >= stride; avail_data -= stride, source += stride) { - vpi = ((source[0] & 0x0f) << 4) | (source[1] >> 4); - vci = ((source[1] & 0x0f) << 12) | (source[2] << 4) | (source[3] >> 4); - pti = ((source[3] & 0xe) >> 1); + vdbg("%s: vpi %hd, vci %d, pti %d", __func__, vpi, vci, pti); - vdbg("%s: vpi %hd, vci %d, pti %d", __func__, vpi, vci, pti); + if ((vci != instance->cached_vci) || (vpi != instance->cached_vpi)) { + instance->cached_vpi = vpi; + instance->cached_vci = vci; - if ((vci != cached_vci) || (vpi != cached_vpi)) { - cached_vpi = vpi; - cached_vci = vci; + instance->cached_vcc = usbatm_find_vcc(instance, vpi, vci); - cached_vcc = usbatm_find_vcc(instance, vpi, vci); + if (!instance->cached_vcc) + atm_rldbg(instance, "%s: unknown vpi/vci (%hd/%d)!\n", __func__, vpi, vci); + } - if (!cached_vcc) - atm_dbg(instance, "%s: unknown vpi/vci (%hd/%d)!\n", __func__, vpi, vci); - } + if (!instance->cached_vcc) + return; - if (!cached_vcc) - continue; + vcc = instance->cached_vcc->vcc; - vcc = cached_vcc->vcc; + /* OAM F5 end-to-end */ + if (pti == ATM_PTI_E2EF5) { + if (printk_ratelimit()) + atm_warn(instance, "%s: OAM not supported (vpi %d, vci %d)!\n", + __func__, vpi, vci); + atomic_inc(&vcc->stats->rx_err); + return; + } - /* OAM F5 end-to-end */ - if (pti == ATM_PTI_E2EF5) { - atm_warn(instance, "%s: OAM not supported (vpi %d, vci %d)!\n", __func__, vpi, vci); - atomic_inc(&vcc->stats->rx_err); - continue; - } + sarb = instance->cached_vcc->sarb; - sarb = cached_vcc->sarb; + if (sarb->tail + ATM_CELL_PAYLOAD > sarb->end) { + atm_rldbg(instance, "%s: buffer overrun (sarb->len %u, vcc: 0x%p)!\n", + __func__, sarb->len, vcc); + /* discard cells already received */ + skb_trim(sarb, 0); + UDSL_ASSERT(sarb->tail + ATM_CELL_PAYLOAD <= sarb->end); + } - if (sarb->tail + ATM_CELL_PAYLOAD > sarb->end) { - atm_dbg(instance, "%s: buffer overrun (sarb->len %u, vcc: 0x%p)!\n", - __func__, sarb->len, vcc); - /* discard cells already received */ - skb_trim(sarb, 0); - UDSL_ASSERT(sarb->tail + ATM_CELL_PAYLOAD <= sarb->end); - } + memcpy(sarb->tail, source + ATM_CELL_HEADER, ATM_CELL_PAYLOAD); + __skb_put(sarb, ATM_CELL_PAYLOAD); - memcpy(sarb->tail, source + ATM_CELL_HEADER, ATM_CELL_PAYLOAD); - __skb_put(sarb, ATM_CELL_PAYLOAD); + if (pti & 1) { + struct sk_buff *skb; + unsigned int length; + unsigned int pdu_length; - if (pti & 1) { - struct sk_buff *skb; - unsigned int length; - unsigned int pdu_length; + length = (source[ATM_CELL_SIZE - 6] << 8) + source[ATM_CELL_SIZE - 5]; - length = (source[ATM_CELL_SIZE - 6] << 8) + source[ATM_CELL_SIZE - 5]; + /* guard against overflow */ + if (length > ATM_MAX_AAL5_PDU) { + atm_rldbg(instance, "%s: bogus length %u (vcc: 0x%p)!\n", + __func__, length, vcc); + atomic_inc(&vcc->stats->rx_err); + goto out; + } - /* guard against overflow */ - if (length > ATM_MAX_AAL5_PDU) { - atm_dbg(instance, "%s: bogus length %u (vcc: 0x%p)!\n", - __func__, length, vcc); - atomic_inc(&vcc->stats->rx_err); - goto out; - } + pdu_length = usbatm_pdu_length(length); - pdu_length = usbatm_pdu_length(length); + if (sarb->len < pdu_length) { + atm_rldbg(instance, "%s: bogus pdu_length %u (sarb->len: %u, vcc: 0x%p)!\n", + __func__, pdu_length, sarb->len, vcc); + atomic_inc(&vcc->stats->rx_err); + goto out; + } - if (sarb->len < pdu_length) { - atm_dbg(instance, "%s: bogus pdu_length %u (sarb->len: %u, vcc: 0x%p)!\n", - __func__, pdu_length, sarb->len, vcc); - atomic_inc(&vcc->stats->rx_err); - goto out; - } + if (crc32_be(~0, sarb->tail - pdu_length, pdu_length) != 0xc704dd7b) { + atm_rldbg(instance, "%s: packet failed crc check (vcc: 0x%p)!\n", + __func__, vcc); + atomic_inc(&vcc->stats->rx_err); + goto out; + } - if (crc32_be(~0, sarb->tail - pdu_length, pdu_length) != 0xc704dd7b) { - atm_dbg(instance, "%s: packet failed crc check (vcc: 0x%p)!\n", - __func__, vcc); - atomic_inc(&vcc->stats->rx_err); - goto out; - } + vdbg("%s: got packet (length: %u, pdu_length: %u, vcc: 0x%p)", __func__, length, pdu_length, vcc); - vdbg("%s: got packet (length: %u, pdu_length: %u, vcc: 0x%p)", __func__, length, pdu_length, vcc); + if (!(skb = dev_alloc_skb(length))) { + if (printk_ratelimit()) + atm_err(instance, "%s: no memory for skb (length: %u)!\n", + __func__, length); + atomic_inc(&vcc->stats->rx_drop); + goto out; + } - if (!(skb = dev_alloc_skb(length))) { - atm_dbg(instance, "%s: no memory for skb (length: %u)!\n", __func__, length); - atomic_inc(&vcc->stats->rx_drop); - goto out; - } + vdbg("%s: allocated new sk_buff (skb: 0x%p, skb->truesize: %u)", __func__, skb, skb->truesize); - vdbg("%s: allocated new sk_buff (skb: 0x%p, skb->truesize: %u)", __func__, skb, skb->truesize); + if (!atm_charge(vcc, skb->truesize)) { + atm_rldbg(instance, "%s: failed atm_charge (skb->truesize: %u)!\n", + __func__, skb->truesize); + dev_kfree_skb_any(skb); + goto out; /* atm_charge increments rx_drop */ + } - if (!atm_charge(vcc, skb->truesize)) { - atm_dbg(instance, "%s: failed atm_charge (skb->truesize: %u)!\n", __func__, skb->truesize); - dev_kfree_skb(skb); - goto out; /* atm_charge increments rx_drop */ - } + memcpy(skb->data, sarb->tail - pdu_length, length); + __skb_put(skb, length); - memcpy(skb->data, sarb->tail - pdu_length, length); - __skb_put(skb, length); + vdbg("%s: sending skb 0x%p, skb->len %u, skb->truesize %u", + __func__, skb, skb->len, skb->truesize); - vdbg("%s: sending skb 0x%p, skb->len %u, skb->truesize %u", - __func__, skb, skb->len, skb->truesize); + PACKETDEBUG(skb->data, skb->len); - PACKETDEBUG(skb->data, skb->len); + vcc->push(vcc, skb); - vcc->push(vcc, skb); + atomic_inc(&vcc->stats->rx); + out: + skb_trim(sarb, 0); + } +} - atomic_inc(&vcc->stats->rx); - out: - skb_trim(sarb, 0); +static void usbatm_extract_cells(struct usbatm_data *instance, + unsigned char *source, unsigned int avail_data) +{ + unsigned int stride = instance->rx_channel.stride; + unsigned int buf_usage = instance->buf_usage; + + /* extract cells from incoming data, taking into account that + * the length of avail data may not be a multiple of stride */ + + if (buf_usage > 0) { + /* we have a partially received atm cell */ + unsigned char *cell_buf = instance->cell_buf; + unsigned int space_left = stride - buf_usage; + + UDSL_ASSERT(buf_usage <= stride); + + if (avail_data >= space_left) { + /* add new data and process cell */ + memcpy(cell_buf + buf_usage, source, space_left); + source += space_left; + avail_data -= space_left; + usbatm_extract_one_cell(instance, cell_buf); + instance->buf_usage = 0; + } else { + /* not enough data to fill the cell */ + memcpy(cell_buf + buf_usage, source, avail_data); + instance->buf_usage = buf_usage + avail_data; + return; } } + + for (; avail_data >= stride; avail_data -= stride, source += stride) + usbatm_extract_one_cell(instance, source); + + if (avail_data > 0) { + /* length was not a multiple of stride - + * save remaining data for next call */ + memcpy(instance->cell_buf, source, avail_data); + instance->buf_usage = avail_data; + } } @@ -420,14 +465,14 @@ static unsigned int usbatm_write_cells(struct usbatm_data *instance, { struct usbatm_control *ctrl = UDSL_SKB(skb); struct atm_vcc *vcc = ctrl->atm.vcc; - unsigned int num_written; + unsigned int bytes_written; unsigned int stride = instance->tx_channel.stride; vdbg("%s: skb->len=%d, avail_space=%u", __func__, skb->len, avail_space); UDSL_ASSERT(!(avail_space % stride)); - for (num_written = 0; num_written < avail_space && ctrl->len; - num_written += stride, target += stride) { + for (bytes_written = 0; bytes_written < avail_space && ctrl->len; + bytes_written += stride, target += stride) { unsigned int data_len = min_t(unsigned int, skb->len, ATM_CELL_PAYLOAD); unsigned int left = ATM_CELL_PAYLOAD - data_len; u8 *ptr = target; @@ -470,7 +515,7 @@ static unsigned int usbatm_write_cells(struct usbatm_data *instance, ctrl->crc = crc32_be(ctrl->crc, ptr, left); } - return num_written; + return bytes_written; } @@ -487,16 +532,40 @@ static void usbatm_rx_process(unsigned long data) vdbg("%s: processing urb 0x%p", __func__, urb); if (usb_pipeisoc(urb->pipe)) { + unsigned char *merge_start = NULL; + unsigned int merge_length = 0; + const unsigned int packet_size = instance->rx_channel.packet_size; int i; - for (i = 0; i < urb->number_of_packets; i++) - if (!urb->iso_frame_desc[i].status) - usbatm_extract_cells(instance, - (u8 *)urb->transfer_buffer + urb->iso_frame_desc[i].offset, - urb->iso_frame_desc[i].actual_length); - } - else + + for (i = 0; i < urb->number_of_packets; i++) { + if (!urb->iso_frame_desc[i].status) { + unsigned int actual_length = urb->iso_frame_desc[i].actual_length; + + UDSL_ASSERT(actual_length <= packet_size); + + if (!merge_length) + merge_start = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset; + merge_length += actual_length; + if (merge_length && (actual_length < packet_size)) { + usbatm_extract_cells(instance, merge_start, merge_length); + merge_length = 0; + } + } else { + atm_rldbg(instance, "%s: status %d in frame %d!\n", __func__, urb->status, i); + if (merge_length) + usbatm_extract_cells(instance, merge_start, merge_length); + merge_length = 0; + instance->buf_usage = 0; + } + } + + if (merge_length) + usbatm_extract_cells(instance, merge_start, merge_length); + } else if (!urb->status) usbatm_extract_cells(instance, urb->transfer_buffer, urb->actual_length); + else + instance->buf_usage = 0; if (usbatm_submit_urb(urb)) return; @@ -514,7 +583,7 @@ static void usbatm_tx_process(unsigned long data) struct sk_buff *skb = instance->current_skb; struct urb *urb = NULL; const unsigned int buf_size = instance->tx_channel.buf_size; - unsigned int num_written = 0; + unsigned int bytes_written = 0; u8 *buffer = NULL; if (!skb) @@ -526,16 +595,16 @@ static void usbatm_tx_process(unsigned long data) if (!urb) break; /* no more senders */ buffer = urb->transfer_buffer; - num_written = (urb->status == -EAGAIN) ? + bytes_written = (urb->status == -EAGAIN) ? urb->transfer_buffer_length : 0; } - num_written += usbatm_write_cells(instance, skb, - buffer + num_written, - buf_size - num_written); + bytes_written += usbatm_write_cells(instance, skb, + buffer + bytes_written, + buf_size - bytes_written); vdbg("%s: wrote %u bytes from skb 0x%p to urb 0x%p", - __func__, num_written, skb, urb); + __func__, bytes_written, skb, urb); if (!UDSL_SKB(skb)->len) { struct atm_vcc *vcc = UDSL_SKB(skb)->atm.vcc; @@ -546,8 +615,8 @@ static void usbatm_tx_process(unsigned long data) skb = skb_dequeue(&instance->sndqueue); } - if (num_written == buf_size || (!skb && num_written)) { - urb->transfer_buffer_length = num_written; + if (bytes_written == buf_size || (!skb && bytes_written)) { + urb->transfer_buffer_length = bytes_written; if (usbatm_submit_urb(urb)) break; @@ -593,20 +662,24 @@ static int usbatm_atm_send(struct atm_vcc *vcc, struct sk_buff *skb) vdbg("%s called (skb 0x%p, len %u)", __func__, skb, skb->len); - if (!instance) { - dbg("%s: NULL data!", __func__); + /* racy disconnection check - fine */ + if (!instance || instance->disconnected) { +#ifdef DEBUG + if (printk_ratelimit()) + printk(KERN_DEBUG "%s: %s!\n", __func__, instance ? "disconnected" : "NULL instance"); +#endif err = -ENODEV; goto fail; } if (vcc->qos.aal != ATM_AAL5) { - atm_dbg(instance, "%s: unsupported ATM type %d!\n", __func__, vcc->qos.aal); + atm_rldbg(instance, "%s: unsupported ATM type %d!\n", __func__, vcc->qos.aal); err = -EINVAL; goto fail; } if (skb->len > ATM_MAX_AAL5_PDU) { - atm_dbg(instance, "%s: packet too long (%d vs %d)!\n", + atm_rldbg(instance, "%s: packet too long (%d vs %d)!\n", __func__, skb->len, ATM_MAX_AAL5_PDU); err = -EINVAL; goto fail; @@ -665,16 +738,16 @@ static void usbatm_put_instance(struct usbatm_data *instance) ** ATM ** **********/ -static void usbatm_atm_dev_close(struct atm_dev *dev) +static void usbatm_atm_dev_close(struct atm_dev *atm_dev) { - struct usbatm_data *instance = dev->dev_data; + struct usbatm_data *instance = atm_dev->dev_data; dbg("%s", __func__); if (!instance) return; - dev->dev_data = NULL; + atm_dev->dev_data = NULL; /* catch bugs */ usbatm_put_instance(instance); /* taken in usbatm_atm_init */ } @@ -706,15 +779,19 @@ static int usbatm_atm_proc_read(struct atm_dev *atm_dev, loff_t * pos, char *pag atomic_read(&atm_dev->stats.aal5.rx_err), atomic_read(&atm_dev->stats.aal5.rx_drop)); - if (!left--) - switch (atm_dev->signal) { - case ATM_PHY_SIG_FOUND: - return sprintf(page, "Line up\n"); - case ATM_PHY_SIG_LOST: - return sprintf(page, "Line down\n"); - default: - return sprintf(page, "Line state unknown\n"); - } + if (!left--) { + if (instance->disconnected) + return sprintf(page, "Disconnected\n"); + else + switch (atm_dev->signal) { + case ATM_PHY_SIG_FOUND: + return sprintf(page, "Line up\n"); + case ATM_PHY_SIG_LOST: + return sprintf(page, "Line down\n"); + default: + return sprintf(page, "Line state unknown\n"); + } + } return 0; } @@ -735,13 +812,24 @@ static int usbatm_atm_open(struct atm_vcc *vcc) atm_dbg(instance, "%s: vpi %hd, vci %d\n", __func__, vpi, vci); /* only support AAL5 */ - if ((vcc->qos.aal != ATM_AAL5) || (vcc->qos.rxtp.max_sdu < 0) - || (vcc->qos.rxtp.max_sdu > ATM_MAX_AAL5_PDU)) { - atm_dbg(instance, "%s: unsupported ATM type %d!\n", __func__, vcc->qos.aal); + if ((vcc->qos.aal != ATM_AAL5)) { + atm_warn(instance, "%s: unsupported ATM type %d!\n", __func__, vcc->qos.aal); + return -EINVAL; + } + + /* sanity checks */ + if ((vcc->qos.rxtp.max_sdu < 0) || (vcc->qos.rxtp.max_sdu > ATM_MAX_AAL5_PDU)) { + atm_dbg(instance, "%s: max_sdu %d out of range!\n", __func__, vcc->qos.rxtp.max_sdu); return -EINVAL; } - down(&instance->serialize); /* vs self, usbatm_atm_close */ + mutex_lock(&instance->serialize); /* vs self, usbatm_atm_close, usbatm_usb_disconnect */ + + if (instance->disconnected) { + atm_dbg(instance, "%s: disconnected!\n", __func__); + ret = -ENODEV; + goto fail; + } if (usbatm_find_vcc(instance, vpi, vci)) { atm_dbg(instance, "%s: %hd/%d already in use!\n", __func__, vpi, vci); @@ -749,20 +837,19 @@ static int usbatm_atm_open(struct atm_vcc *vcc) goto fail; } - if (!(new = kmalloc(sizeof(struct usbatm_vcc_data), GFP_KERNEL))) { - atm_dbg(instance, "%s: no memory for vcc_data!\n", __func__); + if (!(new = kzalloc(sizeof(struct usbatm_vcc_data), GFP_KERNEL))) { + atm_err(instance, "%s: no memory for vcc_data!\n", __func__); ret = -ENOMEM; goto fail; } - memset(new, 0, sizeof(struct usbatm_vcc_data)); new->vcc = vcc; new->vpi = vpi; new->vci = vci; new->sarb = alloc_skb(usbatm_pdu_length(vcc->qos.rxtp.max_sdu), GFP_KERNEL); if (!new->sarb) { - atm_dbg(instance, "%s: no memory for SAR buffer!\n", __func__); + atm_err(instance, "%s: no memory for SAR buffer!\n", __func__); ret = -ENOMEM; goto fail; } @@ -770,6 +857,9 @@ static int usbatm_atm_open(struct atm_vcc *vcc) vcc->dev_data = new; tasklet_disable(&instance->rx_channel.tasklet); + instance->cached_vcc = new; + instance->cached_vpi = vpi; + instance->cached_vci = vci; list_add(&new->list, &instance->vcc_list); tasklet_enable(&instance->rx_channel.tasklet); @@ -777,7 +867,7 @@ static int usbatm_atm_open(struct atm_vcc *vcc) set_bit(ATM_VF_PARTIAL, &vcc->flags); set_bit(ATM_VF_READY, &vcc->flags); - up(&instance->serialize); + mutex_unlock(&instance->serialize); atm_dbg(instance, "%s: allocated vcc data 0x%p\n", __func__, new); @@ -785,7 +875,7 @@ static int usbatm_atm_open(struct atm_vcc *vcc) fail: kfree(new); - up(&instance->serialize); + mutex_unlock(&instance->serialize); return ret; } @@ -806,9 +896,14 @@ static void usbatm_atm_close(struct atm_vcc *vcc) usbatm_cancel_send(instance, vcc); - down(&instance->serialize); /* vs self, usbatm_atm_open */ + mutex_lock(&instance->serialize); /* vs self, usbatm_atm_open, usbatm_usb_disconnect */ tasklet_disable(&instance->rx_channel.tasklet); + if (instance->cached_vcc == vcc_data) { + instance->cached_vcc = NULL; + instance->cached_vpi = ATM_VPI_UNSPEC; + instance->cached_vci = ATM_VCI_UNSPEC; + } list_del(&vcc_data->list); tasklet_enable(&instance->rx_channel.tasklet); @@ -824,14 +919,21 @@ static void usbatm_atm_close(struct atm_vcc *vcc) clear_bit(ATM_VF_PARTIAL, &vcc->flags); clear_bit(ATM_VF_ADDR, &vcc->flags); - up(&instance->serialize); + mutex_unlock(&instance->serialize); atm_dbg(instance, "%s successful\n", __func__); } -static int usbatm_atm_ioctl(struct atm_dev *dev, unsigned int cmd, +static int usbatm_atm_ioctl(struct atm_dev *atm_dev, unsigned int cmd, void __user * arg) { + struct usbatm_data *instance = atm_dev->dev_data; + + if (!instance || instance->disconnected) { + dbg("%s: %s!", __func__, instance ? "disconnected" : "NULL instance"); + return -ENODEV; + } + switch (cmd) { case ATM_QUERYLOOP: return put_user(ATM_LM_NONE, (int __user *)arg) ? -EFAULT : 0; @@ -845,10 +947,13 @@ static int usbatm_atm_init(struct usbatm_data *instance) struct atm_dev *atm_dev; int ret, i; - /* ATM init */ + /* ATM init. The ATM initialization scheme suffers from an intrinsic race + * condition: callbacks we register can be executed at once, before we have + * initialized the struct atm_dev. To protect against this, all callbacks + * abort if atm_dev->dev_data is NULL. */ atm_dev = atm_dev_register(instance->driver_name, &usbatm_atm_devops, -1, NULL); if (!atm_dev) { - usb_dbg(instance, "%s: failed to register ATM device!\n", __func__); + usb_err(instance, "%s: failed to register ATM device!\n", __func__); return -1; } @@ -862,12 +967,13 @@ static int usbatm_atm_init(struct usbatm_data *instance) atm_dev->link_rate = 128 * 1000 / 424; if (instance->driver->atm_start && ((ret = instance->driver->atm_start(instance, atm_dev)) < 0)) { - atm_dbg(instance, "%s: atm_start failed: %d!\n", __func__, ret); + atm_err(instance, "%s: atm_start failed: %d!\n", __func__, ret); goto fail; } - /* ready for ATM callbacks */ usbatm_get_instance(instance); /* dropped in usbatm_atm_dev_close */ + + /* ready for ATM callbacks */ mb(); atm_dev->dev_data = instance; @@ -903,9 +1009,9 @@ static int usbatm_do_heavy_init(void *arg) if (!ret) ret = usbatm_atm_init(instance); - down(&instance->serialize); + mutex_lock(&instance->serialize); instance->thread_pid = -1; - up(&instance->serialize); + mutex_unlock(&instance->serialize); complete_and_exit(&instance->thread_exited, ret); } @@ -915,13 +1021,13 @@ static int usbatm_heavy_init(struct usbatm_data *instance) int ret = kernel_thread(usbatm_do_heavy_init, instance, CLONE_KERNEL); if (ret < 0) { - usb_dbg(instance, "%s: failed to create kernel_thread (%d)!\n", __func__, ret); + usb_err(instance, "%s: failed to create kernel_thread (%d)!\n", __func__, ret); return ret; } - down(&instance->serialize); + mutex_lock(&instance->serialize); instance->thread_pid = ret; - up(&instance->serialize); + mutex_unlock(&instance->serialize); wait_for_completion(&instance->thread_started); @@ -951,9 +1057,9 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, char *buf; int error = -ENOMEM; int i, length; - int need_heavy; + unsigned int maxpacket, num_packets; - dev_dbg(dev, "%s: trying driver %s with vendor=0x%x, product=0x%x, ifnum %d\n", + dev_dbg(dev, "%s: trying driver %s with vendor=%04x, product=%04x, ifnum %2d\n", __func__, driver->driver_name, le16_to_cpu(usb_dev->descriptor.idVendor), le16_to_cpu(usb_dev->descriptor.idProduct), @@ -962,7 +1068,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, /* instance init */ instance = kzalloc(sizeof(*instance) + sizeof(struct urb *) * (num_rcv_urbs + num_snd_urbs), GFP_KERNEL); if (!instance) { - dev_dbg(dev, "%s: no memory for instance data!\n", __func__); + dev_err(dev, "%s: no memory for instance data!\n", __func__); return -ENOMEM; } @@ -996,66 +1102,96 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, snprintf(buf, length, ")"); bind: - need_heavy = 1; - if (driver->bind && (error = driver->bind(instance, intf, id, &need_heavy)) < 0) { - dev_dbg(dev, "%s: bind failed: %d!\n", __func__, error); + if (driver->bind && (error = driver->bind(instance, intf, id)) < 0) { + dev_err(dev, "%s: bind failed: %d!\n", __func__, error); goto fail_free; } /* private fields */ kref_init(&instance->refcount); /* dropped in usbatm_usb_disconnect */ - init_MUTEX(&instance->serialize); + mutex_init(&instance->serialize); instance->thread_pid = -1; init_completion(&instance->thread_started); init_completion(&instance->thread_exited); INIT_LIST_HEAD(&instance->vcc_list); + skb_queue_head_init(&instance->sndqueue); usbatm_init_channel(&instance->rx_channel); usbatm_init_channel(&instance->tx_channel); tasklet_init(&instance->rx_channel.tasklet, usbatm_rx_process, (unsigned long)instance); tasklet_init(&instance->tx_channel.tasklet, usbatm_tx_process, (unsigned long)instance); - instance->rx_channel.endpoint = usb_rcvbulkpipe(usb_dev, driver->in); - instance->tx_channel.endpoint = usb_sndbulkpipe(usb_dev, driver->out); instance->rx_channel.stride = ATM_CELL_SIZE + driver->rx_padding; instance->tx_channel.stride = ATM_CELL_SIZE + driver->tx_padding; - instance->rx_channel.buf_size = rcv_buf_size * instance->rx_channel.stride; - instance->tx_channel.buf_size = snd_buf_size * instance->tx_channel.stride; instance->rx_channel.usbatm = instance->tx_channel.usbatm = instance; - skb_queue_head_init(&instance->sndqueue); + if ((instance->flags & UDSL_USE_ISOC) && driver->isoc_in) + instance->rx_channel.endpoint = usb_rcvisocpipe(usb_dev, driver->isoc_in); + else + instance->rx_channel.endpoint = usb_rcvbulkpipe(usb_dev, driver->bulk_in); + + instance->tx_channel.endpoint = usb_sndbulkpipe(usb_dev, driver->bulk_out); + + /* tx buffer size must be a positive multiple of the stride */ + instance->tx_channel.buf_size = max (instance->tx_channel.stride, + snd_buf_bytes - (snd_buf_bytes % instance->tx_channel.stride)); + + /* rx buffer size must be a positive multiple of the endpoint maxpacket */ + maxpacket = usb_maxpacket(usb_dev, instance->rx_channel.endpoint, 0); + + if ((maxpacket < 1) || (maxpacket > UDSL_MAX_BUF_SIZE)) { + dev_err(dev, "%s: invalid endpoint %02x!\n", __func__, + usb_pipeendpoint(instance->rx_channel.endpoint)); + error = -EINVAL; + goto fail_unbind; + } + + num_packets = max (1U, (rcv_buf_bytes + maxpacket / 2) / maxpacket); /* round */ + + if (num_packets * maxpacket > UDSL_MAX_BUF_SIZE) + num_packets--; + + instance->rx_channel.buf_size = num_packets * maxpacket; + instance->rx_channel.packet_size = maxpacket; + +#ifdef DEBUG + for (i = 0; i < 2; i++) { + struct usbatm_channel *channel = i ? + &instance->tx_channel : &instance->rx_channel; + + dev_dbg(dev, "%s: using %d byte buffer for %s channel 0x%p\n", __func__, channel->buf_size, i ? "tx" : "rx", channel); + } +#endif + + /* initialize urbs */ for (i = 0; i < num_rcv_urbs + num_snd_urbs; i++) { - struct urb *urb; u8 *buffer; - unsigned int iso_packets = 0, iso_size = 0; struct usbatm_channel *channel = i < num_rcv_urbs ? &instance->rx_channel : &instance->tx_channel; + struct urb *urb; + unsigned int iso_packets = usb_pipeisoc(channel->endpoint) ? channel->buf_size / channel->packet_size : 0; - if (usb_pipeisoc(channel->endpoint)) { - /* don't expect iso out endpoints */ - iso_size = usb_maxpacket(instance->usb_dev, channel->endpoint, 0); - iso_size -= iso_size % channel->stride; /* alignment */ - BUG_ON(!iso_size); - iso_packets = (channel->buf_size - 1) / iso_size + 1; - } + UDSL_ASSERT(!usb_pipeisoc(channel->endpoint) || usb_pipein(channel->endpoint)); urb = usb_alloc_urb(iso_packets, GFP_KERNEL); if (!urb) { - dev_dbg(dev, "%s: no memory for urb %d!\n", __func__, i); + dev_err(dev, "%s: no memory for urb %d!\n", __func__, i); + error = -ENOMEM; goto fail_unbind; } instance->urbs[i] = urb; - buffer = kmalloc(channel->buf_size, GFP_KERNEL); + /* zero the tx padding to avoid leaking information */ + buffer = kzalloc(channel->buf_size, GFP_KERNEL); if (!buffer) { - dev_dbg(dev, "%s: no memory for buffer %d!\n", __func__, i); + dev_err(dev, "%s: no memory for buffer %d!\n", __func__, i); + error = -ENOMEM; goto fail_unbind; } - memset(buffer, 0, channel->buf_size); usb_fill_bulk_urb(urb, instance->usb_dev, channel->endpoint, buffer, channel->buf_size, usbatm_complete, channel); @@ -1065,9 +1201,8 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, urb->transfer_flags = URB_ISO_ASAP; urb->number_of_packets = iso_packets; for (j = 0; j < iso_packets; j++) { - urb->iso_frame_desc[j].offset = iso_size * j; - urb->iso_frame_desc[j].length = min_t(int, iso_size, - channel->buf_size - urb->iso_frame_desc[j].offset); + urb->iso_frame_desc[j].offset = channel->packet_size * j; + urb->iso_frame_desc[j].length = channel->packet_size; } } @@ -1079,7 +1214,17 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, __func__, urb->transfer_buffer, urb->transfer_buffer_length, urb); } - if (need_heavy && driver->heavy_init) { + instance->cached_vpi = ATM_VPI_UNSPEC; + instance->cached_vci = ATM_VCI_UNSPEC; + instance->cell_buf = kmalloc(instance->rx_channel.stride, GFP_KERNEL); + + if (!instance->cell_buf) { + dev_err(dev, "%s: no memory for cell buffer!\n", __func__); + error = -ENOMEM; + goto fail_unbind; + } + + if (!(instance->flags & UDSL_SKIP_HEAVY_INIT) && driver->heavy_init) { error = usbatm_heavy_init(instance); } else { complete(&instance->thread_exited); /* pretend that heavy_init was run */ @@ -1098,6 +1243,8 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id, if (instance->driver->unbind) instance->driver->unbind(instance, intf); fail_free: + kfree(instance->cell_buf); + for (i = 0; i < num_rcv_urbs + num_snd_urbs; i++) { if (instance->urbs[i]) kfree(instance->urbs[i]->transfer_buffer); @@ -1114,6 +1261,7 @@ void usbatm_usb_disconnect(struct usb_interface *intf) { struct device *dev = &intf->dev; struct usbatm_data *instance = usb_get_intfdata(intf); + struct usbatm_vcc_data *vcc_data; int i; dev_dbg(dev, "%s entered\n", __func__); @@ -1125,13 +1273,19 @@ void usbatm_usb_disconnect(struct usb_interface *intf) usb_set_intfdata(intf, NULL); - down(&instance->serialize); + mutex_lock(&instance->serialize); + instance->disconnected = 1; if (instance->thread_pid >= 0) kill_proc(instance->thread_pid, SIGTERM, 1); - up(&instance->serialize); + mutex_unlock(&instance->serialize); wait_for_completion(&instance->thread_exited); + mutex_lock(&instance->serialize); + list_for_each_entry(vcc_data, &instance->vcc_list, list) + vcc_release_async(vcc_data->vcc, -EPIPE); + mutex_unlock(&instance->serialize); + tasklet_disable(&instance->rx_channel.tasklet); tasklet_disable(&instance->tx_channel.tasklet); @@ -1141,6 +1295,14 @@ void usbatm_usb_disconnect(struct usb_interface *intf) del_timer_sync(&instance->rx_channel.delay); del_timer_sync(&instance->tx_channel.delay); + /* turn usbatm_[rt]x_process into something close to a no-op */ + /* no need to take the spinlock */ + INIT_LIST_HEAD(&instance->rx_channel.list); + INIT_LIST_HEAD(&instance->tx_channel.list); + + tasklet_enable(&instance->rx_channel.tasklet); + tasklet_enable(&instance->tx_channel.tasklet); + if (instance->atm_dev && instance->driver->atm_stop) instance->driver->atm_stop(instance, instance->atm_dev); @@ -1149,19 +1311,13 @@ void usbatm_usb_disconnect(struct usb_interface *intf) instance->driver_data = NULL; - /* turn usbatm_[rt]x_process into noop */ - /* no need to take the spinlock */ - INIT_LIST_HEAD(&instance->rx_channel.list); - INIT_LIST_HEAD(&instance->tx_channel.list); - - tasklet_enable(&instance->rx_channel.tasklet); - tasklet_enable(&instance->tx_channel.tasklet); - for (i = 0; i < num_rcv_urbs + num_snd_urbs; i++) { kfree(instance->urbs[i]->transfer_buffer); usb_free_urb(instance->urbs[i]); } + kfree(instance->cell_buf); + /* ATM finalize */ if (instance->atm_dev) atm_dev_deregister(instance->atm_dev); @@ -1186,10 +1342,10 @@ static int __init usbatm_usb_init(void) if ((num_rcv_urbs > UDSL_MAX_RCV_URBS) || (num_snd_urbs > UDSL_MAX_SND_URBS) - || (rcv_buf_size < 1) - || (rcv_buf_size > UDSL_MAX_RCV_BUF_SIZE) - || (snd_buf_size < 1) - || (snd_buf_size > UDSL_MAX_SND_BUF_SIZE)) + || (rcv_buf_bytes < 1) + || (rcv_buf_bytes > UDSL_MAX_BUF_SIZE) + || (snd_buf_bytes < 1) + || (snd_buf_bytes > UDSL_MAX_BUF_SIZE)) return -EINVAL; return 0; diff --git a/drivers/usb/atm/usbatm.h b/drivers/usb/atm/usbatm.h index 1adacd60d713..ff8551e93372 100644 --- a/drivers/usb/atm/usbatm.h +++ b/drivers/usb/atm/usbatm.h @@ -24,21 +24,21 @@ #ifndef _USBATM_H_ #define _USBATM_H_ -#include <linux/config.h> - -/* -#define VERBOSE_DEBUG -*/ - #include <asm/semaphore.h> #include <linux/atm.h> #include <linux/atmdev.h> #include <linux/completion.h> #include <linux/device.h> +#include <linux/kernel.h> #include <linux/kref.h> #include <linux/list.h> #include <linux/stringify.h> #include <linux/usb.h> +#include <linux/mutex.h> + +/* +#define VERBOSE_DEBUG +*/ #ifdef DEBUG #define UDSL_ASSERT(x) BUG_ON(!(x)) @@ -52,8 +52,13 @@ dev_info(&(instance)->usb_intf->dev , format , ## arg) #define usb_warn(instance, format, arg...) \ dev_warn(&(instance)->usb_intf->dev , format , ## arg) +#ifdef DEBUG #define usb_dbg(instance, format, arg...) \ - dev_dbg(&(instance)->usb_intf->dev , format , ## arg) + dev_printk(KERN_DEBUG , &(instance)->usb_intf->dev , format , ## arg) +#else +#define usb_dbg(instance, format, arg...) \ + do {} while (0) +#endif /* FIXME: move to dev_* once ATM is driver model aware */ #define atm_printk(level, instance, format, arg...) \ @@ -69,12 +74,24 @@ #ifdef DEBUG #define atm_dbg(instance, format, arg...) \ atm_printk(KERN_DEBUG, instance , format , ## arg) +#define atm_rldbg(instance, format, arg...) \ + if (printk_ratelimit()) \ + atm_printk(KERN_DEBUG, instance , format , ## arg) #else #define atm_dbg(instance, format, arg...) \ do {} while (0) +#define atm_rldbg(instance, format, arg...) \ + do {} while (0) #endif +/* flags, set by mini-driver in bind() */ + +#define UDSL_SKIP_HEAVY_INIT (1<<0) +#define UDSL_USE_ISOC (1<<1) +#define UDSL_IGNORE_EILSEQ (1<<2) + + /* mini driver */ struct usbatm_data; @@ -86,16 +103,11 @@ struct usbatm_data; */ struct usbatm_driver { - struct module *owner; - const char *driver_name; - /* - * init device ... can sleep, or cause probe() failure. Drivers with a heavy_init - * method can avoid having it called by setting need_heavy_init to zero. - */ + /* init device ... can sleep, or cause probe() failure */ int (*bind) (struct usbatm_data *, struct usb_interface *, - const struct usb_device_id *id, int *need_heavy_init); + const struct usb_device_id *id); /* additional device initialization that is too slow to be done in probe() */ int (*heavy_init) (struct usbatm_data *, struct usb_interface *); @@ -109,8 +121,9 @@ struct usbatm_driver { /* cleanup ATM device ... can sleep, but can't fail */ void (*atm_stop) (struct usbatm_data *, struct atm_dev *); - int in; /* rx endpoint */ - int out; /* tx endpoint */ + int bulk_in; /* bulk rx endpoint */ + int isoc_in; /* isochronous rx endpoint */ + int bulk_out; /* bulk tx endpoint */ unsigned rx_padding; unsigned tx_padding; @@ -125,6 +138,7 @@ struct usbatm_channel { int endpoint; /* usb pipe */ unsigned int stride; /* ATM cell size + padding */ unsigned int buf_size; /* urb buffer size */ + unsigned int packet_size; /* endpoint maxpacket */ spinlock_t lock; struct list_head list; struct tasklet_struct tasklet; @@ -143,6 +157,7 @@ struct usbatm_data { struct usbatm_driver *driver; void *driver_data; char driver_name[16]; + unsigned int flags; /* set by mini-driver in bind() */ /* USB device */ struct usb_device *usb_dev; @@ -157,7 +172,8 @@ struct usbatm_data { ********************************/ struct kref refcount; - struct semaphore serialize; + struct mutex serialize; + int disconnected; /* heavy init */ int thread_pid; @@ -171,7 +187,14 @@ struct usbatm_data { struct usbatm_channel tx_channel; struct sk_buff_head sndqueue; - struct sk_buff *current_skb; /* being emptied */ + struct sk_buff *current_skb; /* being emptied */ + + struct usbatm_vcc_data *cached_vcc; + int cached_vci; + short cached_vpi; + + unsigned char *cell_buf; /* holds partial rx cell */ + unsigned int buf_usage; struct urb *urbs[0]; }; diff --git a/drivers/usb/atm/xusbatm.c b/drivers/usb/atm/xusbatm.c index 5c76e3aaaa5e..42d6823b82b3 100644 --- a/drivers/usb/atm/xusbatm.c +++ b/drivers/usb/atm/xusbatm.c @@ -41,6 +41,8 @@ XUSBATM_PARM(rx_endpoint, unsigned char, byte, "rx endpoint number"); XUSBATM_PARM(tx_endpoint, unsigned char, byte, "tx endpoint number"); XUSBATM_PARM(rx_padding, unsigned char, byte, "rx padding (default 0)"); XUSBATM_PARM(tx_padding, unsigned char, byte, "tx padding (default 0)"); +XUSBATM_PARM(rx_altsetting, unsigned char, byte, "rx altsetting (default 0)"); +XUSBATM_PARM(tx_altsetting, unsigned char, byte, "rx altsetting (default 0)"); static const char xusbatm_driver_name[] = "xusbatm"; @@ -48,82 +50,118 @@ static struct usbatm_driver xusbatm_drivers[XUSBATM_DRIVERS_MAX]; static struct usb_device_id xusbatm_usb_ids[XUSBATM_DRIVERS_MAX + 1]; static struct usb_driver xusbatm_usb_driver; -static int usb_intf_has_ep(const struct usb_interface *intf, u8 ep) +static struct usb_interface *xusbatm_find_intf (struct usb_device *usb_dev, int altsetting, u8 ep) { + struct usb_host_interface *alt; + struct usb_interface *intf; int i, j; - for (i = 0; i < intf->num_altsetting; i++) { - struct usb_host_interface *alt = intf->altsetting; - for (j = 0; j < alt->desc.bNumEndpoints; j++) - if ((alt->endpoint[i].desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK) == ep) - return 1; + for(i = 0; i < usb_dev->actconfig->desc.bNumInterfaces; i++) + if ((intf = usb_dev->actconfig->interface[i]) && (alt = usb_altnum_to_altsetting(intf, altsetting))) + for (j = 0; j < alt->desc.bNumEndpoints; j++) + if (alt->endpoint[j].desc.bEndpointAddress == ep) + return intf; + return NULL; +} + +static int xusbatm_capture_intf (struct usbatm_data *usbatm, struct usb_device *usb_dev, + struct usb_interface *intf, int altsetting, int claim) +{ + int ifnum = intf->altsetting->desc.bInterfaceNumber; + int ret; + + if (claim && (ret = usb_driver_claim_interface(&xusbatm_usb_driver, intf, usbatm))) { + usb_err(usbatm, "%s: failed to claim interface %2d (%d)!\n", __func__, ifnum, ret); + return ret; + } + if ((ret = usb_set_interface(usb_dev, ifnum, altsetting))) { + usb_err(usbatm, "%s: altsetting %2d for interface %2d failed (%d)!\n", __func__, altsetting, ifnum, ret); + return ret; } return 0; } -static int xusbatm_bind(struct usbatm_data *usbatm_instance, - struct usb_interface *intf, const struct usb_device_id *id, - int *need_heavy_init) +static void xusbatm_release_intf (struct usb_device *usb_dev, struct usb_interface *intf, int claimed) +{ + if (claimed) { + usb_set_intfdata(intf, NULL); + usb_driver_release_interface(&xusbatm_usb_driver, intf); + } +} + +static int xusbatm_bind(struct usbatm_data *usbatm, + struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *usb_dev = interface_to_usbdev(intf); int drv_ix = id - xusbatm_usb_ids; - int rx_ep_present = usb_intf_has_ep(intf, rx_endpoint[drv_ix]); - int tx_ep_present = usb_intf_has_ep(intf, tx_endpoint[drv_ix]); - u8 searched_ep = rx_ep_present ? tx_endpoint[drv_ix] : rx_endpoint[drv_ix]; - int i, ret; - - usb_dbg(usbatm_instance, "%s: binding driver %d: vendor %#x product %#x" - " rx: ep %#x padd %d tx: ep %#x padd %d\n", + int rx_alt = rx_altsetting[drv_ix]; + int tx_alt = tx_altsetting[drv_ix]; + struct usb_interface *rx_intf = xusbatm_find_intf(usb_dev, rx_alt, rx_endpoint[drv_ix]); + struct usb_interface *tx_intf = xusbatm_find_intf(usb_dev, tx_alt, tx_endpoint[drv_ix]); + int ret; + + usb_dbg(usbatm, "%s: binding driver %d: vendor %04x product %04x" + " rx: ep %02x padd %d alt %2d tx: ep %02x padd %d alt %2d\n", __func__, drv_ix, vendor[drv_ix], product[drv_ix], - rx_endpoint[drv_ix], rx_padding[drv_ix], - tx_endpoint[drv_ix], tx_padding[drv_ix]); + rx_endpoint[drv_ix], rx_padding[drv_ix], rx_alt, + tx_endpoint[drv_ix], tx_padding[drv_ix], tx_alt); + + if (!rx_intf || !tx_intf) { + if (!rx_intf) + usb_dbg(usbatm, "%s: no interface contains endpoint %02x in altsetting %2d\n", + __func__, rx_endpoint[drv_ix], rx_alt); + if (!tx_intf) + usb_dbg(usbatm, "%s: no interface contains endpoint %02x in altsetting %2d\n", + __func__, tx_endpoint[drv_ix], tx_alt); + return -ENODEV; + } - if (!rx_ep_present && !tx_ep_present) { - usb_dbg(usbatm_instance, "%s: intf #%d has neither rx (%#x) nor tx (%#x) endpoint\n", - __func__, intf->altsetting->desc.bInterfaceNumber, - rx_endpoint[drv_ix], tx_endpoint[drv_ix]); + if ((rx_intf != intf) && (tx_intf != intf)) return -ENODEV; + + if ((rx_intf == tx_intf) && (rx_alt != tx_alt)) { + usb_err(usbatm, "%s: altsettings clash on interface %2d (%2d vs %2d)!\n", __func__, + rx_intf->altsetting->desc.bInterfaceNumber, rx_alt, tx_alt); + return -EINVAL; } - if (rx_ep_present && tx_ep_present) - return 0; + usb_dbg(usbatm, "%s: rx If#=%2d; tx If#=%2d\n", __func__, + rx_intf->altsetting->desc.bInterfaceNumber, + tx_intf->altsetting->desc.bInterfaceNumber); - for(i = 0; i < usb_dev->actconfig->desc.bNumInterfaces; i++) { - struct usb_interface *cur_if = usb_dev->actconfig->interface[i]; - - if (cur_if != intf && usb_intf_has_ep(cur_if, searched_ep)) { - ret = usb_driver_claim_interface(&xusbatm_usb_driver, - cur_if, usbatm_instance); - if (!ret) - usb_err(usbatm_instance, "%s: failed to claim interface #%d (%d)\n", - __func__, cur_if->altsetting->desc.bInterfaceNumber, ret); - return ret; - } + if ((ret = xusbatm_capture_intf(usbatm, usb_dev, rx_intf, rx_alt, rx_intf != intf))) + return ret; + + if ((tx_intf != rx_intf) && (ret = xusbatm_capture_intf(usbatm, usb_dev, tx_intf, tx_alt, tx_intf != intf))) { + xusbatm_release_intf(usb_dev, rx_intf, rx_intf != intf); + return ret; } - usb_err(usbatm_instance, "%s: no interface has endpoint %#x\n", - __func__, searched_ep); - return -ENODEV; + return 0; } -static void xusbatm_unbind(struct usbatm_data *usbatm_instance, +static void xusbatm_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) { struct usb_device *usb_dev = interface_to_usbdev(intf); int i; - usb_dbg(usbatm_instance, "%s entered\n", __func__); + + usb_dbg(usbatm, "%s entered\n", __func__); for(i = 0; i < usb_dev->actconfig->desc.bNumInterfaces; i++) { - struct usb_interface *cur_if = usb_dev->actconfig->interface[i]; - usb_set_intfdata(cur_if, NULL); - usb_driver_release_interface(&xusbatm_usb_driver, cur_if); + struct usb_interface *cur_intf = usb_dev->actconfig->interface[i]; + + if (cur_intf && (usb_get_intfdata(cur_intf) == usbatm)) { + usb_set_intfdata(cur_intf, NULL); + usb_driver_release_interface(&xusbatm_usb_driver, cur_intf); + } } } -static int xusbatm_atm_start(struct usbatm_data *usbatm_instance, +static int xusbatm_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_dev) { - atm_dbg(usbatm_instance, "%s entered\n", __func__); + atm_dbg(usbatm, "%s entered\n", __func__); /* use random MAC as we've no way to get it from the device */ random_ether_addr(atm_dev->esi); @@ -161,18 +199,19 @@ static int __init xusbatm_init(void) } for (i = 0; i < num_vendor; i++) { + rx_endpoint[i] |= USB_DIR_IN; + tx_endpoint[i] &= USB_ENDPOINT_NUMBER_MASK; + xusbatm_usb_ids[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE; xusbatm_usb_ids[i].idVendor = vendor[i]; xusbatm_usb_ids[i].idProduct = product[i]; - - xusbatm_drivers[i].owner = THIS_MODULE; xusbatm_drivers[i].driver_name = xusbatm_driver_name; xusbatm_drivers[i].bind = xusbatm_bind; xusbatm_drivers[i].unbind = xusbatm_unbind; xusbatm_drivers[i].atm_start = xusbatm_atm_start; - xusbatm_drivers[i].in = rx_endpoint[i]; - xusbatm_drivers[i].out = tx_endpoint[i]; + xusbatm_drivers[i].bulk_in = rx_endpoint[i]; + xusbatm_drivers[i].bulk_out = tx_endpoint[i]; xusbatm_drivers[i].rx_padding = rx_padding[i]; xusbatm_drivers[i].tx_padding = tx_padding[i]; } diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index b9fd39fd1b5b..97bdeb1c2181 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1014,8 +1014,13 @@ static void acm_disconnect(struct usb_interface *intf) } down(&open_sem); + if (!usb_get_intfdata(intf)) { + up(&open_sem); + return; + } acm->dev = NULL; - usb_set_intfdata (intf, NULL); + usb_set_intfdata(acm->control, NULL); + usb_set_intfdata(acm->data, NULL); tasklet_disable(&acm->urb_task); @@ -1036,7 +1041,7 @@ static void acm_disconnect(struct usb_interface *intf) for (i = 0; i < ACM_NRB; i++) usb_buffer_free(usb_dev, acm->readsize, acm->rb[i].base, acm->rb[i].dma); - usb_driver_release_interface(&acm_driver, acm->data); + usb_driver_release_interface(&acm_driver, intf == acm->control ? acm->data : intf); if (!acm->used) { acm_tty_unregister(acm); diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index dba4cc026077..d34848ac30b0 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -7,6 +7,7 @@ * Copyright (c) 2000 Vojtech Pavlik <vojtech@suse.cz> # Copyright (c) 2001 Pete Zaitcev <zaitcev@redhat.com> # Copyright (c) 2001 David Paschal <paschal@rcsis.com> + * Copyright (c) 2006 Oliver Neukum <oliver@neukum.name> * * USB Printer Device Class driver for USB printers and printer cables * @@ -273,13 +274,16 @@ static void usblp_bulk_read(struct urb *urb, struct pt_regs *regs) { struct usblp *usblp = urb->context; - if (!usblp || !usblp->dev || !usblp->used || !usblp->present) + if (unlikely(!usblp || !usblp->dev || !usblp->used)) return; + if (unlikely(!usblp->present)) + goto unplug; if (unlikely(urb->status)) warn("usblp%d: nonzero read/write bulk status received: %d", usblp->minor, urb->status); usblp->rcomplete = 1; +unplug: wake_up_interruptible(&usblp->wait); } @@ -287,13 +291,15 @@ static void usblp_bulk_write(struct urb *urb, struct pt_regs *regs) { struct usblp *usblp = urb->context; - if (!usblp || !usblp->dev || !usblp->used || !usblp->present) + if (unlikely(!usblp || !usblp->dev || !usblp->used)) return; - + if (unlikely(!usblp->present)) + goto unplug; if (unlikely(urb->status)) warn("usblp%d: nonzero read/write bulk status received: %d", usblp->minor, urb->status); usblp->wcomplete = 1; +unplug: wake_up_interruptible(&usblp->wait); } @@ -627,9 +633,8 @@ done: static ssize_t usblp_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { - DECLARE_WAITQUEUE(wait, current); struct usblp *usblp = file->private_data; - int timeout, err = 0, transfer_length = 0; + int timeout, rv, err = 0, transfer_length = 0; size_t writecount = 0; while (writecount < count) { @@ -641,24 +646,11 @@ static ssize_t usblp_write(struct file *file, const char __user *buffer, size_t } timeout = USBLP_WRITE_TIMEOUT; - add_wait_queue(&usblp->wait, &wait); - while ( 1==1 ) { - if (signal_pending(current)) { - remove_wait_queue(&usblp->wait, &wait); - return writecount ? writecount : -EINTR; - } - set_current_state(TASK_INTERRUPTIBLE); - if (timeout && !usblp->wcomplete) { - timeout = schedule_timeout(timeout); - } else { - set_current_state(TASK_RUNNING); - break; - } - } - remove_wait_queue(&usblp->wait, &wait); + rv = wait_event_interruptible_timeout(usblp->wait, usblp->wcomplete || !usblp->present , timeout); + if (rv < 0) + return writecount ? writecount : -EINTR; } - down (&usblp->sem); if (!usblp->present) { up (&usblp->sem); @@ -724,7 +716,7 @@ static ssize_t usblp_write(struct file *file, const char __user *buffer, size_t static ssize_t usblp_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) { struct usblp *usblp = file->private_data; - DECLARE_WAITQUEUE(wait, current); + int rv; if (!usblp->bidir) return -EINVAL; @@ -742,26 +734,13 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t count, count = -EAGAIN; goto done; } - - add_wait_queue(&usblp->wait, &wait); - while (1==1) { - if (signal_pending(current)) { - count = -EINTR; - remove_wait_queue(&usblp->wait, &wait); - goto done; - } - up (&usblp->sem); - set_current_state(TASK_INTERRUPTIBLE); - if (!usblp->rcomplete) { - schedule(); - } else { - set_current_state(TASK_RUNNING); - down(&usblp->sem); - break; - } - down (&usblp->sem); + up(&usblp->sem); + rv = wait_event_interruptible(usblp->wait, usblp->rcomplete || !usblp->present); + down(&usblp->sem); + if (rv < 0) { + count = -EINTR; + goto done; } - remove_wait_queue(&usblp->wait, &wait); } if (!usblp->present) { @@ -874,11 +853,10 @@ static int usblp_probe(struct usb_interface *intf, /* Malloc and start initializing usblp structure so we can use it * directly. */ - if (!(usblp = kmalloc(sizeof(struct usblp), GFP_KERNEL))) { + if (!(usblp = kzalloc(sizeof(struct usblp), GFP_KERNEL))) { err("out of memory for usblp"); goto abort; } - memset(usblp, 0, sizeof(struct usblp)); usblp->dev = dev; init_MUTEX (&usblp->sem); init_waitqueue_head(&usblp->wait); @@ -1214,10 +1192,9 @@ static int __init usblp_init(void) { int retval; retval = usb_register(&usblp_driver); - if (retval) - goto out; - info(DRIVER_VERSION ": " DRIVER_DESC); -out: + if (!retval) + info(DRIVER_VERSION ": " DRIVER_DESC); + return retval; } diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 076462c8ba2a..dce9d987f0fc 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -378,7 +378,7 @@ const struct usb_device_id *usb_match_id(struct usb_interface *interface, return NULL; } -EXPORT_SYMBOL_GPL(usb_match_id); +EXPORT_SYMBOL(usb_match_id); int usb_device_match(struct device *dev, struct device_driver *drv) { @@ -446,7 +446,7 @@ int usb_register_driver(struct usb_driver *new_driver, struct module *owner) return retval; } -EXPORT_SYMBOL_GPL(usb_register_driver); +EXPORT_SYMBOL(usb_register_driver); /** * usb_deregister - unregister a USB driver @@ -469,4 +469,4 @@ void usb_deregister(struct usb_driver *driver) usbfs_update_special(); } -EXPORT_SYMBOL_GPL(usb_deregister); +EXPORT_SYMBOL(usb_deregister); diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 319de03944e7..7135e542679d 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -13,6 +13,7 @@ #include <linux/ctype.h> #include <linux/device.h> #include <asm/byteorder.h> +#include <asm/scatterlist.h> #include "hcd.h" /* for usbcore internals */ #include "usb.h" diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 081796726b95..dad4d8fd8180 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -468,6 +468,7 @@ int usb_unlink_urb(struct urb *urb) */ void usb_kill_urb(struct urb *urb) { + might_sleep(); if (!(urb && urb->dev && urb->dev->bus && urb->dev->bus->op)) return; spin_lock_irq(&urb->lock); diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 9a4edc5657aa..0aab7d24c768 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -135,6 +135,7 @@ struct dev_data { setup_out_ready : 1, setup_out_error : 1, setup_abort : 1; + unsigned setup_wLength; /* the rest is basically write-once */ struct usb_config_descriptor *config, *hs_config; @@ -942,6 +943,7 @@ static int setup_req (struct usb_ep *ep, struct usb_request *req, u16 len) } req->complete = ep0_complete; req->length = len; + req->zero = 0; return 0; } @@ -1161,10 +1163,13 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) spin_unlock_irq (&dev->lock); if (copy_from_user (dev->req->buf, buf, len)) retval = -EFAULT; - else + else { + if (len < dev->setup_wLength) + dev->req->zero = 1; retval = usb_ep_queue ( dev->gadget->ep0, dev->req, GFP_KERNEL); + } if (retval < 0) { spin_lock_irq (&dev->lock); clean_req (dev->gadget->ep0, dev->req); @@ -1483,6 +1488,7 @@ unrecognized: delegate: dev->setup_in = (ctrl->bRequestType & USB_DIR_IN) ? 1 : 0; + dev->setup_wLength = w_length; dev->setup_out_ready = 0; dev->setup_out_error = 0; value = 0; diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index c32e1f7476da..67b13ab2f3f5 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -47,6 +47,7 @@ #include <linux/config.h> #include <linux/module.h> #include <linux/pci.h> +#include <linux/dma-mapping.h> #include <linux/kernel.h> #include <linux/delay.h> #include <linux/ioport.h> diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c index 2fc110d3ad5a..ae7a1c0f5748 100644 --- a/drivers/usb/gadget/zero.c +++ b/drivers/usb/gadget/zero.c @@ -165,8 +165,8 @@ static unsigned buflen = 4096; static unsigned qlen = 32; static unsigned pattern = 0; -module_param (buflen, uint, S_IRUGO|S_IWUSR); -module_param (qlen, uint, S_IRUGO|S_IWUSR); +module_param (buflen, uint, S_IRUGO); +module_param (qlen, uint, S_IRUGO); module_param (pattern, uint, S_IRUGO|S_IWUSR); /* @@ -1127,8 +1127,10 @@ zero_unbind (struct usb_gadget *gadget) DBG (dev, "unbind\n"); /* we've already been disconnected ... no i/o is active */ - if (dev->req) + if (dev->req) { + dev->req->length = USB_BUFSIZ; free_ep_req (gadget->ep0, dev->req); + } del_timer_sync (&dev->resume); kfree (dev); set_gadget_data (gadget, NULL); diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 08ca0f849dab..3a6687df5594 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -24,46 +24,11 @@ /*-------------------------------------------------------------------------*/ -/* EHCI 0.96 (and later) section 5.1 says how to kick BIOS/SMM/... - * off the controller (maybe it can boot from highspeed USB disks). - */ -static int bios_handoff(struct ehci_hcd *ehci, int where, u32 cap) -{ - struct pci_dev *pdev = to_pci_dev(ehci_to_hcd(ehci)->self.controller); - - /* always say Linux will own the hardware */ - pci_write_config_byte(pdev, where + 3, 1); - - /* maybe wait a while for BIOS to respond */ - if (cap & (1 << 16)) { - int msec = 5000; - - do { - msleep(10); - msec -= 10; - pci_read_config_dword(pdev, where, &cap); - } while ((cap & (1 << 16)) && msec); - if (cap & (1 << 16)) { - ehci_err(ehci, "BIOS handoff failed (%d, %08x)\n", - where, cap); - // some BIOS versions seem buggy... - // return 1; - ehci_warn(ehci, "continuing after BIOS bug...\n"); - /* disable all SMIs, and clear "BIOS owns" flag */ - pci_write_config_dword(pdev, where + 4, 0); - pci_write_config_byte(pdev, where + 2, 0); - } else - ehci_dbg(ehci, "BIOS handoff succeeded\n"); - } - return 0; -} - /* called after powerup, by probe or system-pm "wakeup" */ static int ehci_pci_reinit(struct ehci_hcd *ehci, struct pci_dev *pdev) { u32 temp; int retval; - unsigned count = 256/4; /* optional debug port, normally in the first BAR */ temp = pci_find_capability(pdev, 0x0a); @@ -84,32 +49,9 @@ static int ehci_pci_reinit(struct ehci_hcd *ehci, struct pci_dev *pdev) } } - temp = HCC_EXT_CAPS(readl(&ehci->caps->hcc_params)); - - /* EHCI 0.96 and later may have "extended capabilities" */ - while (temp && count--) { - u32 cap; - - pci_read_config_dword(pdev, temp, &cap); - ehci_dbg(ehci, "capability %04x at %02x\n", cap, temp); - switch (cap & 0xff) { - case 1: /* BIOS/SMM/... handoff */ - if (bios_handoff(ehci, temp, cap) != 0) - return -EOPNOTSUPP; - break; - case 0: /* illegal reserved capability */ - ehci_dbg(ehci, "illegal capability!\n"); - cap = 0; - /* FALLTHROUGH */ - default: /* unknown */ - break; - } - temp = (cap >> 8) & 0xff; - } - if (!count) { - ehci_err(ehci, "bogus capabilities ... PCI problems!\n"); - return -EIO; - } + /* we expect static quirk code to handle the "extended capabilities" + * (currently just BIOS handoff) allowed starting with EHCI 0.96 + */ /* PCI Memory-Write-Invalidate cycle support is optional (uncommon) */ retval = pci_set_mwi(pdev); diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 57e77374d228..ebcca9700671 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1063,6 +1063,7 @@ sitd_slot_ok ( /* for IN, check CSPLIT */ if (stream->c_usecs) { + uf = uframe & 7; max_used = 100 - stream->c_usecs; do { tmp = 1 << uf; @@ -1843,8 +1844,7 @@ done: #else static inline int -sitd_submit (struct ehci_hcd *ehci, struct urb *urb, - unsigned mem_flags) +sitd_submit (struct ehci_hcd *ehci, struct urb *urb, gfp_t mem_flags) { ehci_dbg (ehci, "split iso support is disabled\n"); return -ENOSYS; diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index 584b8dc65119..972ce04889f8 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -1420,20 +1420,22 @@ static int isp116x_bus_suspend(struct usb_hcd *hcd) int ret = 0; spin_lock_irqsave(&isp116x->lock, flags); - val = isp116x_read_reg32(isp116x, HCCONTROL); + switch (val & HCCONTROL_HCFS) { case HCCONTROL_USB_OPER: + spin_unlock_irqrestore(&isp116x->lock, flags); val &= (~HCCONTROL_HCFS & ~HCCONTROL_RWE); val |= HCCONTROL_USB_SUSPEND; if (device_may_wakeup(&hcd->self.root_hub->dev)) val |= HCCONTROL_RWE; /* Wait for usb transfers to finish */ - mdelay(2); + msleep(2); + spin_lock_irqsave(&isp116x->lock, flags); isp116x_write_reg32(isp116x, HCCONTROL, val); + spin_unlock_irqrestore(&isp116x->lock, flags); /* Wait for devices to suspend */ - mdelay(5); - case HCCONTROL_USB_SUSPEND: + msleep(5); break; case HCCONTROL_USB_RESUME: isp116x_write_reg32(isp116x, HCCONTROL, @@ -1441,12 +1443,11 @@ static int isp116x_bus_suspend(struct usb_hcd *hcd) HCCONTROL_USB_RESET); case HCCONTROL_USB_RESET: ret = -EBUSY; + default: /* HCCONTROL_USB_SUSPEND */ + spin_unlock_irqrestore(&isp116x->lock, flags); break; - default: - ret = -EINVAL; } - spin_unlock_irqrestore(&isp116x->lock, flags); return ret; } @@ -1715,9 +1716,9 @@ static struct platform_driver isp116x_driver = { .remove = isp116x_remove, .suspend = isp116x_suspend, .resume = isp116x_resume, - .driver = { - .name = (char *)hcd_name, - }, + .driver = { + .name = (char *)hcd_name, + }, }; /*-----------------------------------------------------------------*/ diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c index 77cd6ac07e3c..db280ca7b7a0 100644 --- a/drivers/usb/host/ohci-au1xxx.c +++ b/drivers/usb/host/ohci-au1xxx.c @@ -67,7 +67,7 @@ static void au1xxx_stop_hc(struct platform_device *dev) ": stopping Au1xxx OHCI USB Controller\n"); /* Disable clock */ - au_writel(readl((void *)USB_HOST_CONFIG) & ~USBH_ENABLE_CE, USB_HOST_CONFIG); + au_writel(au_readl(USB_HOST_CONFIG) & ~USBH_ENABLE_CE, USB_HOST_CONFIG); } diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 3ef2c0cdf1db..e9e5bc178cef 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -190,7 +190,7 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev) msleep(10); } if (wait_time <= 0) - printk(KERN_WARNING "%s %s: early BIOS handoff " + printk(KERN_WARNING "%s %s: BIOS handoff " "failed (BIOS bug ?)\n", pdev->dev.bus_id, "OHCI"); @@ -212,8 +212,9 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) { int wait_time, delta; void __iomem *base, *op_reg_base; - u32 hcc_params, val, temp; - u8 cap_length; + u32 hcc_params, val; + u8 offset, cap_length; + int count = 256/4; if (!mmio_resource_enabled(pdev, 0)) return; @@ -224,51 +225,80 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) cap_length = readb(base); op_reg_base = base + cap_length; + + /* EHCI 0.96 and later may have "extended capabilities" + * spec section 5.1 explains the bios handoff, e.g. for + * booting from USB disk or using a usb keyboard + */ hcc_params = readl(base + EHCI_HCC_PARAMS); - hcc_params = (hcc_params >> 8) & 0xff; - if (hcc_params) { - pci_read_config_dword(pdev, - hcc_params + EHCI_USBLEGSUP, - &val); - if (((val & 0xff) == 1) && (val & EHCI_USBLEGSUP_BIOS)) { - /* - * Ok, BIOS is in smm mode, try to hand off... + offset = (hcc_params >> 8) & 0xff; + while (offset && count--) { + u32 cap; + int msec; + + pci_read_config_dword(pdev, offset, &cap); + switch (cap & 0xff) { + case 1: /* BIOS/SMM/... handoff support */ + if ((cap & EHCI_USBLEGSUP_BIOS)) { + pr_debug("%s %s: BIOS handoff\n", + pdev->dev.bus_id, "EHCI"); + + /* BIOS workaround (?): be sure the + * pre-Linux code receives the SMI + */ + pci_read_config_dword(pdev, + offset + EHCI_USBLEGCTLSTS, + &val); + pci_write_config_dword(pdev, + offset + EHCI_USBLEGCTLSTS, + val | EHCI_USBLEGCTLSTS_SOOE); + } + + /* always say Linux will own the hardware + * by setting EHCI_USBLEGSUP_OS. */ - pci_read_config_dword(pdev, - hcc_params + EHCI_USBLEGCTLSTS, - &temp); - pci_write_config_dword(pdev, - hcc_params + EHCI_USBLEGCTLSTS, - temp | EHCI_USBLEGCTLSTS_SOOE); - val |= EHCI_USBLEGSUP_OS; - pci_write_config_dword(pdev, - hcc_params + EHCI_USBLEGSUP, - val); + pci_write_config_byte(pdev, offset + 3, 1); - wait_time = 500; - do { + /* if boot firmware now owns EHCI, spin till + * it hands it over. + */ + msec = 5000; + while ((cap & EHCI_USBLEGSUP_BIOS) && (msec > 0)) { msleep(10); - wait_time -= 10; - pci_read_config_dword(pdev, - hcc_params + EHCI_USBLEGSUP, - &val); - } while (wait_time && (val & EHCI_USBLEGSUP_BIOS)); - if (!wait_time) { - /* - * well, possibly buggy BIOS... + msec -= 10; + pci_read_config_dword(pdev, offset, &cap); + } + + if (cap & EHCI_USBLEGSUP_BIOS) { + /* well, possibly buggy BIOS... try to shut + * it down, and hope nothing goes too wrong */ - printk(KERN_WARNING "%s %s: early BIOS handoff " + printk(KERN_WARNING "%s %s: BIOS handoff " "failed (BIOS bug ?)\n", pdev->dev.bus_id, "EHCI"); - pci_write_config_dword(pdev, - hcc_params + EHCI_USBLEGSUP, - EHCI_USBLEGSUP_OS); - pci_write_config_dword(pdev, - hcc_params + EHCI_USBLEGCTLSTS, - 0); + pci_write_config_byte(pdev, offset + 2, 0); } + + /* just in case, always disable EHCI SMIs */ + pci_write_config_dword(pdev, + offset + EHCI_USBLEGCTLSTS, + 0); + break; + case 0: /* illegal reserved capability */ + cap = 0; + /* FALLTHROUGH */ + default: + printk(KERN_WARNING "%s %s: unrecognized " + "capability %02x\n", + pdev->dev.bus_id, "EHCI", + cap & 0xff); + break; } + offset = (cap >> 8) & 0xff; } + if (!count) + printk(KERN_DEBUG "%s %s: capability loop?\n", + pdev->dev.bus_id, "EHCI"); /* * halt EHCI & disable its interrupts in any case diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index b6076004a437..782398045f9f 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -672,9 +672,9 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, struct ur /* Low-speed transfers get a different queue, and won't hog the bus. * Also, some devices enumerate better without FSBR; the easiest way * to do that is to put URBs on the low-speed queue while the device - * is in the DEFAULT state. */ + * isn't in the CONFIGURED state. */ if (urb->dev->speed == USB_SPEED_LOW || - urb->dev->state == USB_STATE_DEFAULT) + urb->dev->state != USB_STATE_CONFIGURED) skelqh = uhci->skel_ls_control_qh; else { skelqh = uhci->skel_fs_control_qh; diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index a91e72c41415..6f7a684c3e07 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -1307,7 +1307,7 @@ void hid_init_reports(struct hid_device *hid) } if (err) - warn("timeout initializing reports\n"); + warn("timeout initializing reports"); } #define USB_VENDOR_ID_WACOM 0x056a @@ -1453,6 +1453,9 @@ void hid_init_reports(struct hid_device *hid) #define USB_VENDOR_ID_CHERRY 0x046a #define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 +#define USB_VENDOR_ID_HP 0x03f0 +#define USB_DEVICE_ID_HP_USBHUB_KB 0x020c + /* * Alphabetically sorted blacklist by quirk type. */ @@ -1566,6 +1569,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_KEYBOARD, HID_QUIRK_NOGET}, { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_USBHUB_KB, HID_QUIRK_NOGET}, + { USB_VENDOR_ID_HP, USB_DEVICE_ID_HP_USBHUB_KB, HID_QUIRK_NOGET }, { USB_VENDOR_ID_TANGTOP, USB_DEVICE_ID_TANGTOP_USBPS2, HID_QUIRK_NOGET }, { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_POWERMOUSE, HID_QUIRK_2WHEEL_POWERMOUSE }, @@ -1828,9 +1832,6 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) hid->urbctrl->transfer_dma = hid->ctrlbuf_dma; hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP); - /* May be needed for some devices */ - usb_clear_halt(hid->dev, hid->urbin->pipe); - return hid; fail: diff --git a/drivers/usb/input/hiddev.c b/drivers/usb/input/hiddev.c index 4dff8473553d..925f5aba06f5 100644 --- a/drivers/usb/input/hiddev.c +++ b/drivers/usb/input/hiddev.c @@ -35,7 +35,6 @@ #include <linux/usb.h> #include "hid.h" #include <linux/hiddev.h> -#include <linux/devfs_fs_kernel.h> #ifdef CONFIG_USB_DYNAMIC_MINORS #define HIDDEV_MINOR_BASE 0 @@ -632,7 +631,7 @@ static int hiddev_ioctl(struct inode *inode, struct file *file, unsigned int cmd else if ((cmd == HIDIOCGUSAGES || cmd == HIDIOCSUSAGES) && (uref_multi->num_values > HID_MAX_MULTI_USAGES || - uref->usage_index + uref_multi->num_values >= field->report_count)) + uref->usage_index + uref_multi->num_values > field->report_count)) goto inval; } @@ -832,12 +831,10 @@ static /* const */ struct usb_driver hiddev_driver = { int __init hiddev_init(void) { - devfs_mk_dir("usb/hid"); return usb_register(&hiddev_driver); } void hiddev_exit(void) { usb_deregister(&hiddev_driver); - devfs_remove("usb/hid"); } diff --git a/drivers/usb/input/touchkitusb.c b/drivers/usb/input/touchkitusb.c index 3b3c7b4120a2..697c5e573a11 100644 --- a/drivers/usb/input/touchkitusb.c +++ b/drivers/usb/input/touchkitusb.c @@ -337,6 +337,9 @@ static int touchkit_probe(struct usb_interface *intf, touchkit->data, TOUCHKIT_REPORT_DATA_SIZE, touchkit_irq, touchkit, endpoint->bInterval); + touchkit->irq->transfer_dma = touchkit->data_dma; + touchkit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + input_register_device(touchkit->input); usb_set_intfdata(intf, touchkit); diff --git a/drivers/usb/input/yealink.c b/drivers/usb/input/yealink.c index 1bfc105ad4d6..37d2f0ba0319 100644 --- a/drivers/usb/input/yealink.c +++ b/drivers/usb/input/yealink.c @@ -59,7 +59,7 @@ #include "map_to_7segment.h" #include "yealink.h" -#define DRIVER_VERSION "yld-20050816" +#define DRIVER_VERSION "yld-20051230" #define DRIVER_AUTHOR "Henk Vergonet" #define DRIVER_DESC "Yealink phone driver" @@ -786,16 +786,25 @@ static struct attribute_group yld_attr_group = { * Linux interface and usb initialisation ******************************************************************************/ -static const struct yld_device { - u16 idVendor; - u16 idProduct; +struct driver_info { char *name; -} yld_device[] = { - { 0x6993, 0xb001, "Yealink usb-p1k" }, }; -static struct usb_device_id usb_table [] = { - { USB_INTERFACE_INFO(USB_CLASS_HID, 0, 0) }, +static const struct driver_info info_P1K = { + .name = "Yealink usb-p1k", +}; + +static const struct usb_device_id usb_table [] = { + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | + USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x6993, + .idProduct = 0xb001, + .bInterfaceClass = USB_CLASS_HID, + .bInterfaceSubClass = 0, + .bInterfaceProtocol = 0, + .driver_info = (kernel_ulong_t)&info_P1K + }, { } }; @@ -842,33 +851,16 @@ static void usb_disconnect(struct usb_interface *intf) usb_cleanup(yld, 0); } -static int usb_match(struct usb_device *udev) -{ - int i; - u16 idVendor = le16_to_cpu(udev->descriptor.idVendor); - u16 idProduct = le16_to_cpu(udev->descriptor.idProduct); - - for (i = 0; i < ARRAY_SIZE(yld_device); i++) { - if ((idVendor == yld_device[i].idVendor) && - (idProduct == yld_device[i].idProduct)) - return i; - } - return -ENODEV; -} - static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *udev = interface_to_usbdev (intf); + struct driver_info *nfo = (struct driver_info *)id->driver_info; struct usb_host_interface *interface; struct usb_endpoint_descriptor *endpoint; struct yealink_dev *yld; struct input_dev *input_dev; int ret, pipe, i; - i = usb_match(udev); - if (i < 0) - return -ENODEV; - interface = intf->cur_altsetting; endpoint = &interface->endpoint[0].desc; if (!(endpoint->bEndpointAddress & USB_DIR_IN)) @@ -915,7 +907,7 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id) pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress); ret = usb_maxpacket(udev, pipe, usb_pipeout(pipe)); if (ret != USB_PKT_LEN) - err("invalid payload size %d, expected %d", ret, USB_PKT_LEN); + err("invalid payload size %d, expected %zd", ret, USB_PKT_LEN); /* initialise irq urb */ usb_fill_int_urb(yld->urb_irq, udev, pipe, yld->irq_data, @@ -948,7 +940,7 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id) strlcat(yld->phys, "/input0", sizeof(yld->phys)); /* register settings for the input device */ - input_dev->name = yld_device[i].name; + input_dev->name = nfo->name; input_dev->phys = yld->phys; usb_to_input_id(udev, &input_dev->id); input_dev->cdev.dev = &intf->dev; diff --git a/drivers/usb/media/Kconfig b/drivers/usb/media/Kconfig index 21232ee2974c..0d3d2cc5d7be 100644 --- a/drivers/usb/media/Kconfig +++ b/drivers/usb/media/Kconfig @@ -53,6 +53,21 @@ config USB_DSBR To compile this driver as a module, choose M here: the module will be called dsbr100. +config USB_ET61X251 + tristate "USB ET61X[12]51 PC Camera Controller support" + depends on USB && VIDEO_DEV + ---help--- + Say Y here if you want support for cameras based on Etoms ET61X151 + or ET61X251 PC Camera Controllers. + + See <file:Documentation/usb/et61x251.txt> for more informations. + + This driver uses the Video For Linux API. You must say Y or M to + "Video For Linux" to use this driver. + + To compile this driver as a module, choose M here: the + module will be called et61x251. + config USB_IBMCAM tristate "USB IBM (Xirlink) C-it Camera support" depends on USB && VIDEO_DEV @@ -209,5 +224,3 @@ config USB_PWC To compile this driver as a module, choose M here: the module will be called pwc. - - diff --git a/drivers/usb/media/Makefile b/drivers/usb/media/Makefile index d83adffa925f..3957aa1be0f2 100644 --- a/drivers/usb/media/Makefile +++ b/drivers/usb/media/Makefile @@ -3,9 +3,11 @@ # sn9c102-objs := sn9c102_core.o sn9c102_hv7131d.o sn9c102_mi0343.o sn9c102_ov7630.o sn9c102_pas106b.o sn9c102_pas202bcb.o sn9c102_tas5110c1b.o sn9c102_tas5130d1b.o +et61x251-objs := et61x251_core.o et61x251_tas5130d1b.o obj-$(CONFIG_USB_DABUSB) += dabusb.o obj-$(CONFIG_USB_DSBR) += dsbr100.o +obj-$(CONFIG_USB_ET61X251) += et61x251.o obj-$(CONFIG_USB_IBMCAM) += ibmcam.o usbvideo.o ultracam.o obj-$(CONFIG_USB_KONICAWC) += konicawc.o usbvideo.o obj-$(CONFIG_USB_OV511) += ov511.o diff --git a/drivers/usb/media/et61x251.h b/drivers/usb/media/et61x251.h new file mode 100644 index 000000000000..652238f329f3 --- /dev/null +++ b/drivers/usb/media/et61x251.h @@ -0,0 +1,220 @@ +/*************************************************************************** + * V4L2 driver for ET61X[12]51 PC Camera Controllers * + * * + * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the Free Software * + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * + ***************************************************************************/ + +#ifndef _ET61X251_H_ +#define _ET61X251_H_ + +#include <linux/version.h> +#include <linux/usb.h> +#include <linux/videodev2.h> +#include <media/v4l2-common.h> +#include <linux/device.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/time.h> +#include <linux/wait.h> +#include <linux/types.h> +#include <linux/param.h> +#include <linux/rwsem.h> +#include <asm/semaphore.h> + +#include "et61x251_sensor.h" + +/*****************************************************************************/ + +#define ET61X251_DEBUG +#define ET61X251_DEBUG_LEVEL 2 +#define ET61X251_MAX_DEVICES 64 +#define ET61X251_PRESERVE_IMGSCALE 0 +#define ET61X251_FORCE_MUNMAP 0 +#define ET61X251_MAX_FRAMES 32 +#define ET61X251_COMPRESSION_QUALITY 0 +#define ET61X251_URBS 2 +#define ET61X251_ISO_PACKETS 7 +#define ET61X251_ALTERNATE_SETTING 13 +#define ET61X251_URB_TIMEOUT msecs_to_jiffies(2 * ET61X251_ISO_PACKETS) +#define ET61X251_CTRL_TIMEOUT 100 + +/*****************************************************************************/ + +static const struct usb_device_id et61x251_id_table[] = { + { USB_DEVICE(0x102c, 0x6151), }, + { USB_DEVICE(0x102c, 0x6251), }, + { USB_DEVICE(0x102c, 0x6253), }, + { USB_DEVICE(0x102c, 0x6254), }, + { USB_DEVICE(0x102c, 0x6255), }, + { USB_DEVICE(0x102c, 0x6256), }, + { USB_DEVICE(0x102c, 0x6257), }, + { USB_DEVICE(0x102c, 0x6258), }, + { USB_DEVICE(0x102c, 0x6259), }, + { USB_DEVICE(0x102c, 0x625a), }, + { USB_DEVICE(0x102c, 0x625b), }, + { USB_DEVICE(0x102c, 0x625c), }, + { USB_DEVICE(0x102c, 0x625d), }, + { USB_DEVICE(0x102c, 0x625e), }, + { USB_DEVICE(0x102c, 0x625f), }, + { USB_DEVICE(0x102c, 0x6260), }, + { USB_DEVICE(0x102c, 0x6261), }, + { USB_DEVICE(0x102c, 0x6262), }, + { USB_DEVICE(0x102c, 0x6263), }, + { USB_DEVICE(0x102c, 0x6264), }, + { USB_DEVICE(0x102c, 0x6265), }, + { USB_DEVICE(0x102c, 0x6266), }, + { USB_DEVICE(0x102c, 0x6267), }, + { USB_DEVICE(0x102c, 0x6268), }, + { USB_DEVICE(0x102c, 0x6269), }, + { } +}; + +ET61X251_SENSOR_TABLE + +/*****************************************************************************/ + +enum et61x251_frame_state { + F_UNUSED, + F_QUEUED, + F_GRABBING, + F_DONE, + F_ERROR, +}; + +struct et61x251_frame_t { + void* bufmem; + struct v4l2_buffer buf; + enum et61x251_frame_state state; + struct list_head frame; + unsigned long vma_use_count; +}; + +enum et61x251_dev_state { + DEV_INITIALIZED = 0x01, + DEV_DISCONNECTED = 0x02, + DEV_MISCONFIGURED = 0x04, +}; + +enum et61x251_io_method { + IO_NONE, + IO_READ, + IO_MMAP, +}; + +enum et61x251_stream_state { + STREAM_OFF, + STREAM_INTERRUPT, + STREAM_ON, +}; + +struct et61x251_sysfs_attr { + u8 reg, i2c_reg; +}; + +struct et61x251_module_param { + u8 force_munmap; +}; + +static DECLARE_MUTEX(et61x251_sysfs_lock); +static DECLARE_RWSEM(et61x251_disconnect); + +struct et61x251_device { + struct video_device* v4ldev; + + struct et61x251_sensor* sensor; + + struct usb_device* usbdev; + struct urb* urb[ET61X251_URBS]; + void* transfer_buffer[ET61X251_URBS]; + u8* control_buffer; + + struct et61x251_frame_t *frame_current, frame[ET61X251_MAX_FRAMES]; + struct list_head inqueue, outqueue; + u32 frame_count, nbuffers, nreadbuffers; + + enum et61x251_io_method io; + enum et61x251_stream_state stream; + + struct v4l2_jpegcompression compression; + + struct et61x251_sysfs_attr sysfs; + struct et61x251_module_param module_param; + + enum et61x251_dev_state state; + u8 users; + + struct semaphore dev_sem, fileop_sem; + spinlock_t queue_lock; + wait_queue_head_t open, wait_frame, wait_stream; +}; + +/*****************************************************************************/ + +void +et61x251_attach_sensor(struct et61x251_device* cam, + struct et61x251_sensor* sensor) +{ + cam->sensor = sensor; + cam->sensor->usbdev = cam->usbdev; +} + +/*****************************************************************************/ + +#undef DBG +#undef KDBG +#ifdef ET61X251_DEBUG +# define DBG(level, fmt, args...) \ +do { \ + if (debug >= (level)) { \ + if ((level) == 1) \ + dev_err(&cam->usbdev->dev, fmt "\n", ## args); \ + else if ((level) == 2) \ + dev_info(&cam->usbdev->dev, fmt "\n", ## args); \ + else if ((level) >= 3) \ + dev_info(&cam->usbdev->dev, "[%s:%d] " fmt "\n", \ + __FUNCTION__, __LINE__ , ## args); \ + } \ +} while (0) +# define KDBG(level, fmt, args...) \ +do { \ + if (debug >= (level)) { \ + if ((level) == 1 || (level) == 2) \ + pr_info("et61x251: " fmt "\n", ## args); \ + else if ((level) == 3) \ + pr_debug("et61x251: [%s:%d] " fmt "\n", __FUNCTION__, \ + __LINE__ , ## args); \ + } \ +} while (0) +# define V4LDBG(level, name, cmd) \ +do { \ + if (debug >= (level)) \ + v4l_print_ioctl(name, cmd); \ +} while (0) +#else +# define DBG(level, fmt, args...) do {;} while(0) +# define KDBG(level, fmt, args...) do {;} while(0) +# define V4LDBG(level, name, cmd) do {;} while(0) +#endif + +#undef PDBG +#define PDBG(fmt, args...) \ +dev_info(&cam->dev, "[%s:%d] " fmt "\n", __FUNCTION__, __LINE__ , ## args) + +#undef PDBGG +#define PDBGG(fmt, args...) do {;} while(0) /* placeholder */ + +#endif /* _ET61X251_H_ */ diff --git a/drivers/usb/media/et61x251_core.c b/drivers/usb/media/et61x251_core.c new file mode 100644 index 000000000000..2c0171a5ad62 --- /dev/null +++ b/drivers/usb/media/et61x251_core.c @@ -0,0 +1,2605 @@ +/*************************************************************************** + * V4L2 driver for ET61X[12]51 PC Camera Controllers * + * * + * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the Free Software * + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * + ***************************************************************************/ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/moduleparam.h> +#include <linux/errno.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/device.h> +#include <linux/fs.h> +#include <linux/delay.h> +#include <linux/stddef.h> +#include <linux/compiler.h> +#include <linux/ioctl.h> +#include <linux/poll.h> +#include <linux/stat.h> +#include <linux/mm.h> +#include <linux/vmalloc.h> +#include <linux/page-flags.h> +#include <linux/byteorder/generic.h> +#include <asm/page.h> +#include <asm/uaccess.h> + +#include "et61x251.h" + +/*****************************************************************************/ + +#define ET61X251_MODULE_NAME "V4L2 driver for ET61X[12]51 " \ + "PC Camera Controllers" +#define ET61X251_MODULE_AUTHOR "(C) 2006 Luca Risolia" +#define ET61X251_AUTHOR_EMAIL "<luca.risolia@studio.unibo.it>" +#define ET61X251_MODULE_LICENSE "GPL" +#define ET61X251_MODULE_VERSION "1:1.01" +#define ET61X251_MODULE_VERSION_CODE KERNEL_VERSION(1, 0, 1) + +/*****************************************************************************/ + +MODULE_DEVICE_TABLE(usb, et61x251_id_table); + +MODULE_AUTHOR(ET61X251_MODULE_AUTHOR " " ET61X251_AUTHOR_EMAIL); +MODULE_DESCRIPTION(ET61X251_MODULE_NAME); +MODULE_VERSION(ET61X251_MODULE_VERSION); +MODULE_LICENSE(ET61X251_MODULE_LICENSE); + +static short video_nr[] = {[0 ... ET61X251_MAX_DEVICES-1] = -1}; +module_param_array(video_nr, short, NULL, 0444); +MODULE_PARM_DESC(video_nr, + "\n<-1|n[,...]> Specify V4L2 minor mode number." + "\n -1 = use next available (default)" + "\n n = use minor number n (integer >= 0)" + "\nYou can specify up to " + __MODULE_STRING(ET61X251_MAX_DEVICES) " cameras this way." + "\nFor example:" + "\nvideo_nr=-1,2,-1 would assign minor number 2 to" + "\nthe second registered camera and use auto for the first" + "\none and for every other camera." + "\n"); + +static short force_munmap[] = {[0 ... ET61X251_MAX_DEVICES-1] = + ET61X251_FORCE_MUNMAP}; +module_param_array(force_munmap, bool, NULL, 0444); +MODULE_PARM_DESC(force_munmap, + "\n<0|1[,...]> Force the application to unmap previously" + "\nmapped buffer memory before calling any VIDIOC_S_CROP or" + "\nVIDIOC_S_FMT ioctl's. Not all the applications support" + "\nthis feature. This parameter is specific for each" + "\ndetected camera." + "\n 0 = do not force memory unmapping" + "\n 1 = force memory unmapping (save memory)" + "\nDefault value is "__MODULE_STRING(SN9C102_FORCE_MUNMAP)"." + "\n"); + +#ifdef ET61X251_DEBUG +static unsigned short debug = ET61X251_DEBUG_LEVEL; +module_param(debug, ushort, 0644); +MODULE_PARM_DESC(debug, + "\n<n> Debugging information level, from 0 to 3:" + "\n0 = none (use carefully)" + "\n1 = critical errors" + "\n2 = significant informations" + "\n3 = more verbose messages" + "\nLevel 3 is useful for testing only, when only " + "one device is used." + "\nDefault value is "__MODULE_STRING(ET61X251_DEBUG_LEVEL)"." + "\n"); +#endif + +/*****************************************************************************/ + +static u32 +et61x251_request_buffers(struct et61x251_device* cam, u32 count, + enum et61x251_io_method io) +{ + struct v4l2_pix_format* p = &(cam->sensor->pix_format); + struct v4l2_rect* r = &(cam->sensor->cropcap.bounds); + const size_t imagesize = cam->module_param.force_munmap || + io == IO_READ ? + (p->width * p->height * p->priv) / 8 : + (r->width * r->height * p->priv) / 8; + void* buff = NULL; + u32 i; + + if (count > ET61X251_MAX_FRAMES) + count = ET61X251_MAX_FRAMES; + + cam->nbuffers = count; + while (cam->nbuffers > 0) { + if ((buff = vmalloc_32(cam->nbuffers * PAGE_ALIGN(imagesize)))) + break; + cam->nbuffers--; + } + + for (i = 0; i < cam->nbuffers; i++) { + cam->frame[i].bufmem = buff + i*PAGE_ALIGN(imagesize); + cam->frame[i].buf.index = i; + cam->frame[i].buf.m.offset = i*PAGE_ALIGN(imagesize); + cam->frame[i].buf.length = imagesize; + cam->frame[i].buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + cam->frame[i].buf.sequence = 0; + cam->frame[i].buf.field = V4L2_FIELD_NONE; + cam->frame[i].buf.memory = V4L2_MEMORY_MMAP; + cam->frame[i].buf.flags = 0; + } + + return cam->nbuffers; +} + + +static void et61x251_release_buffers(struct et61x251_device* cam) +{ + if (cam->nbuffers) { + vfree(cam->frame[0].bufmem); + cam->nbuffers = 0; + } + cam->frame_current = NULL; +} + + +static void et61x251_empty_framequeues(struct et61x251_device* cam) +{ + u32 i; + + INIT_LIST_HEAD(&cam->inqueue); + INIT_LIST_HEAD(&cam->outqueue); + + for (i = 0; i < ET61X251_MAX_FRAMES; i++) { + cam->frame[i].state = F_UNUSED; + cam->frame[i].buf.bytesused = 0; + } +} + + +static void et61x251_requeue_outqueue(struct et61x251_device* cam) +{ + struct et61x251_frame_t *i; + + list_for_each_entry(i, &cam->outqueue, frame) { + i->state = F_QUEUED; + list_add(&i->frame, &cam->inqueue); + } + + INIT_LIST_HEAD(&cam->outqueue); +} + + +static void et61x251_queue_unusedframes(struct et61x251_device* cam) +{ + unsigned long lock_flags; + u32 i; + + for (i = 0; i < cam->nbuffers; i++) + if (cam->frame[i].state == F_UNUSED) { + cam->frame[i].state = F_QUEUED; + spin_lock_irqsave(&cam->queue_lock, lock_flags); + list_add_tail(&cam->frame[i].frame, &cam->inqueue); + spin_unlock_irqrestore(&cam->queue_lock, lock_flags); + } +} + +/*****************************************************************************/ + +int et61x251_write_reg(struct et61x251_device* cam, u8 value, u16 index) +{ + struct usb_device* udev = cam->usbdev; + u8* buff = cam->control_buffer; + int res; + + *buff = value; + + res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41, + 0, index, buff, 1, ET61X251_CTRL_TIMEOUT); + if (res < 0) { + DBG(3, "Failed to write a register (value 0x%02X, index " + "0x%02X, error %d)", value, index, res); + return -1; + } + + return 0; +} + + +int et61x251_read_reg(struct et61x251_device* cam, u16 index) +{ + struct usb_device* udev = cam->usbdev; + u8* buff = cam->control_buffer; + int res; + + res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x00, 0xc1, + 0, index, buff, 1, ET61X251_CTRL_TIMEOUT); + if (res < 0) + DBG(3, "Failed to read a register (index 0x%02X, error %d)", + index, res); + + return (res >= 0) ? (int)(*buff) : -1; +} + + +static int +et61x251_i2c_wait(struct et61x251_device* cam, struct et61x251_sensor* sensor) +{ + int i, r; + + for (i = 1; i <= 8; i++) { + if (sensor->interface == ET61X251_I2C_3WIRES) { + r = et61x251_read_reg(cam, 0x8e); + if (!(r & 0x02) && (r >= 0)) + return 0; + } else { + r = et61x251_read_reg(cam, 0x8b); + if (!(r & 0x01) && (r >= 0)) + return 0; + } + if (r < 0) + return -EIO; + udelay(8*8); /* minimum for sensors at 400kHz */ + } + + return -EBUSY; +} + + +int +et61x251_i2c_try_read(struct et61x251_device* cam, + struct et61x251_sensor* sensor, u8 address) +{ + struct usb_device* udev = cam->usbdev; + u8* data = cam->control_buffer; + int err = 0, res; + + data[0] = address; + data[1] = cam->sensor->i2c_slave_id; + data[2] = cam->sensor->rsta | 0x10; + data[3] = !(et61x251_read_reg(cam, 0x8b) & 0x02); + res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41, + 0, 0x88, data, 4, ET61X251_CTRL_TIMEOUT); + if (res < 0) + err += res; + + err += et61x251_i2c_wait(cam, sensor); + + res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x00, 0xc1, + 0, 0x80, data, 8, ET61X251_CTRL_TIMEOUT); + if (res < 0) + err += res; + + if (err) + DBG(3, "I2C read failed for %s image sensor", sensor->name); + + PDBGG("I2C read: address 0x%02X, value: 0x%02X", address, data[0]); + + return err ? -1 : (int)data[0]; +} + + +int +et61x251_i2c_try_write(struct et61x251_device* cam, + struct et61x251_sensor* sensor, u8 address, u8 value) +{ + struct usb_device* udev = cam->usbdev; + u8* data = cam->control_buffer; + int err = 0, res; + + data[0] = address; + data[1] = cam->sensor->i2c_slave_id; + data[2] = cam->sensor->rsta | 0x12; + res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41, + 0, 0x88, data, 3, ET61X251_CTRL_TIMEOUT); + if (res < 0) + err += res; + + data[0] = value; + res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41, + 0, 0x80, data, 1, ET61X251_CTRL_TIMEOUT); + if (res < 0) + err += res; + + err += et61x251_i2c_wait(cam, sensor); + + if (err) + DBG(3, "I2C write failed for %s image sensor", sensor->name); + + PDBGG("I2C write: address 0x%02X, value: 0x%02X", address, value); + + return err ? -1 : 0; +} + + +int +et61x251_i2c_raw_write(struct et61x251_device* cam, u8 n, u8 data1, u8 data2, + u8 data3, u8 data4, u8 data5, u8 data6, u8 data7, + u8 data8, u8 address) +{ + struct usb_device* udev = cam->usbdev; + u8* data = cam->control_buffer; + int err = 0, res; + + if (!cam->sensor) + return -1; + + data[0] = data2; + data[1] = data3; + data[2] = data4; + data[3] = data5; + data[4] = data6; + data[5] = data7; + data[6] = data8; + res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41, + 0, 0x81, data, n-1, ET61X251_CTRL_TIMEOUT); + if (res < 0) + err += res; + + data[0] = address; + data[1] = cam->sensor->i2c_slave_id; + data[2] = cam->sensor->rsta | 0x02 | (n << 4); + res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41, + 0, 0x88, data, 3, ET61X251_CTRL_TIMEOUT); + if (res < 0) + err += res; + + /* Start writing through the serial interface */ + data[0] = data1; + res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x00, 0x41, + 0, 0x80, data, 1, ET61X251_CTRL_TIMEOUT); + if (res < 0) + err += res; + + err += et61x251_i2c_wait(cam, cam->sensor); + + if (err) + DBG(3, "I2C raw write failed for %s image sensor", + cam->sensor->name); + + PDBGG("I2C raw write: %u bytes, address = 0x%02X, data1 = 0x%02X, " + "data2 = 0x%02X, data3 = 0x%02X, data4 = 0x%02X, data5 = 0x%02X," + " data6 = 0x%02X, data7 = 0x%02X, data8 = 0x%02X", n, address, + data1, data2, data3, data4, data5, data6, data7, data8); + + return err ? -1 : 0; + +} + + +int et61x251_i2c_read(struct et61x251_device* cam, u8 address) +{ + if (!cam->sensor) + return -1; + + return et61x251_i2c_try_read(cam, cam->sensor, address); +} + + +int et61x251_i2c_write(struct et61x251_device* cam, u8 address, u8 value) +{ + if (!cam->sensor) + return -1; + + return et61x251_i2c_try_write(cam, cam->sensor, address, value); +} + +/*****************************************************************************/ + +static void et61x251_urb_complete(struct urb *urb, struct pt_regs* regs) +{ + struct et61x251_device* cam = urb->context; + struct et61x251_frame_t** f; + size_t imagesize; + u8 i; + int err = 0; + + if (urb->status == -ENOENT) + return; + + f = &cam->frame_current; + + if (cam->stream == STREAM_INTERRUPT) { + cam->stream = STREAM_OFF; + if ((*f)) + (*f)->state = F_QUEUED; + DBG(3, "Stream interrupted"); + wake_up_interruptible(&cam->wait_stream); + } + + if (cam->state & DEV_DISCONNECTED) + return; + + if (cam->state & DEV_MISCONFIGURED) { + wake_up_interruptible(&cam->wait_frame); + return; + } + + if (cam->stream == STREAM_OFF || list_empty(&cam->inqueue)) + goto resubmit_urb; + + if (!(*f)) + (*f) = list_entry(cam->inqueue.next, struct et61x251_frame_t, + frame); + + imagesize = (cam->sensor->pix_format.width * + cam->sensor->pix_format.height * + cam->sensor->pix_format.priv) / 8; + + for (i = 0; i < urb->number_of_packets; i++) { + unsigned int len, status; + void *pos; + u8* b1, * b2, sof; + const u8 VOID_BYTES = 6; + size_t imglen; + + len = urb->iso_frame_desc[i].actual_length; + status = urb->iso_frame_desc[i].status; + pos = urb->iso_frame_desc[i].offset + urb->transfer_buffer; + + if (status) { + DBG(3, "Error in isochronous frame"); + (*f)->state = F_ERROR; + continue; + } + + b1 = pos++; + b2 = pos++; + sof = ((*b1 & 0x3f) == 63); + imglen = ((*b1 & 0xc0) << 2) | *b2; + + PDBGG("Isochrnous frame: length %u, #%u i, image length %zu", + len, i, imglen); + + if ((*f)->state == F_QUEUED || (*f)->state == F_ERROR) +start_of_frame: + if (sof) { + (*f)->state = F_GRABBING; + (*f)->buf.bytesused = 0; + do_gettimeofday(&(*f)->buf.timestamp); + pos += 22; + DBG(3, "SOF detected: new video frame"); + } + + if ((*f)->state == F_GRABBING) { + if (sof && (*f)->buf.bytesused) { + if (cam->sensor->pix_format.pixelformat == + V4L2_PIX_FMT_ET61X251) + goto end_of_frame; + else { + DBG(3, "Not expected SOF detected " + "after %lu bytes", + (unsigned long)(*f)->buf.bytesused); + (*f)->state = F_ERROR; + continue; + } + } + + if ((*f)->buf.bytesused + imglen > imagesize) { + DBG(3, "Video frame size exceeded"); + (*f)->state = F_ERROR; + continue; + } + + pos += VOID_BYTES; + + memcpy((*f)->bufmem+(*f)->buf.bytesused, pos, imglen); + (*f)->buf.bytesused += imglen; + + if ((*f)->buf.bytesused == imagesize) { + u32 b; +end_of_frame: + b = (*f)->buf.bytesused; + (*f)->state = F_DONE; + (*f)->buf.sequence= ++cam->frame_count; + spin_lock(&cam->queue_lock); + list_move_tail(&(*f)->frame, &cam->outqueue); + if (!list_empty(&cam->inqueue)) + (*f) = list_entry(cam->inqueue.next, + struct et61x251_frame_t, + frame); + else + (*f) = NULL; + spin_unlock(&cam->queue_lock); + DBG(3, "Video frame captured: : %lu bytes", + (unsigned long)(b)); + + if (!(*f)) + goto resubmit_urb; + + if (sof && + cam->sensor->pix_format.pixelformat == + V4L2_PIX_FMT_ET61X251) + goto start_of_frame; + } + } + } + +resubmit_urb: + urb->dev = cam->usbdev; + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0 && err != -EPERM) { + cam->state |= DEV_MISCONFIGURED; + DBG(1, "usb_submit_urb() failed"); + } + + wake_up_interruptible(&cam->wait_frame); +} + + +static int et61x251_start_transfer(struct et61x251_device* cam) +{ + struct usb_device *udev = cam->usbdev; + struct urb* urb; + const unsigned int wMaxPacketSize[] = {0, 256, 384, 512, 640, 768, 832, + 864, 896, 920, 956, 980, 1000, + 1022}; + const unsigned int psz = wMaxPacketSize[ET61X251_ALTERNATE_SETTING]; + s8 i, j; + int err = 0; + + for (i = 0; i < ET61X251_URBS; i++) { + cam->transfer_buffer[i] = kzalloc(ET61X251_ISO_PACKETS * psz, + GFP_KERNEL); + if (!cam->transfer_buffer[i]) { + err = -ENOMEM; + DBG(1, "Not enough memory"); + goto free_buffers; + } + } + + for (i = 0; i < ET61X251_URBS; i++) { + urb = usb_alloc_urb(ET61X251_ISO_PACKETS, GFP_KERNEL); + cam->urb[i] = urb; + if (!urb) { + err = -ENOMEM; + DBG(1, "usb_alloc_urb() failed"); + goto free_urbs; + } + urb->dev = udev; + urb->context = cam; + urb->pipe = usb_rcvisocpipe(udev, 1); + urb->transfer_flags = URB_ISO_ASAP; + urb->number_of_packets = ET61X251_ISO_PACKETS; + urb->complete = et61x251_urb_complete; + urb->transfer_buffer = cam->transfer_buffer[i]; + urb->transfer_buffer_length = psz * ET61X251_ISO_PACKETS; + urb->interval = 1; + for (j = 0; j < ET61X251_ISO_PACKETS; j++) { + urb->iso_frame_desc[j].offset = psz * j; + urb->iso_frame_desc[j].length = psz; + } + } + + err = et61x251_write_reg(cam, 0x01, 0x03); + err = et61x251_write_reg(cam, 0x00, 0x03); + err = et61x251_write_reg(cam, 0x08, 0x03); + if (err) { + err = -EIO; + DBG(1, "I/O hardware error"); + goto free_urbs; + } + + err = usb_set_interface(udev, 0, ET61X251_ALTERNATE_SETTING); + if (err) { + DBG(1, "usb_set_interface() failed"); + goto free_urbs; + } + + cam->frame_current = NULL; + + for (i = 0; i < ET61X251_URBS; i++) { + err = usb_submit_urb(cam->urb[i], GFP_KERNEL); + if (err) { + for (j = i-1; j >= 0; j--) + usb_kill_urb(cam->urb[j]); + DBG(1, "usb_submit_urb() failed, error %d", err); + goto free_urbs; + } + } + + return 0; + +free_urbs: + for (i = 0; (i < ET61X251_URBS) && cam->urb[i]; i++) + usb_free_urb(cam->urb[i]); + +free_buffers: + for (i = 0; (i < ET61X251_URBS) && cam->transfer_buffer[i]; i++) + kfree(cam->transfer_buffer[i]); + + return err; +} + + +static int et61x251_stop_transfer(struct et61x251_device* cam) +{ + struct usb_device *udev = cam->usbdev; + s8 i; + int err = 0; + + if (cam->state & DEV_DISCONNECTED) + return 0; + + for (i = ET61X251_URBS-1; i >= 0; i--) { + usb_kill_urb(cam->urb[i]); + usb_free_urb(cam->urb[i]); + kfree(cam->transfer_buffer[i]); + } + + err = usb_set_interface(udev, 0, 0); /* 0 Mb/s */ + if (err) + DBG(3, "usb_set_interface() failed"); + + return err; +} + + +static int et61x251_stream_interrupt(struct et61x251_device* cam) +{ + int err = 0; + + cam->stream = STREAM_INTERRUPT; + err = wait_event_timeout(cam->wait_stream, + (cam->stream == STREAM_OFF) || + (cam->state & DEV_DISCONNECTED), + ET61X251_URB_TIMEOUT); + if (cam->state & DEV_DISCONNECTED) + return -ENODEV; + else if (err) { + cam->state |= DEV_MISCONFIGURED; + DBG(1, "URB timeout reached. The camera is misconfigured. To " + "use it, close and open /dev/video%d again.", + cam->v4ldev->minor); + return err; + } + + return 0; +} + +/*****************************************************************************/ + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static u8 et61x251_strtou8(const char* buff, size_t len, ssize_t* count) +{ + char str[5]; + char* endp; + unsigned long val; + + if (len < 4) { + strncpy(str, buff, len); + str[len+1] = '\0'; + } else { + strncpy(str, buff, 4); + str[4] = '\0'; + } + + val = simple_strtoul(str, &endp, 0); + + *count = 0; + if (val <= 0xff) + *count = (ssize_t)(endp - str); + if ((*count) && (len == *count+1) && (buff[*count] == '\n')) + *count += 1; + + return (u8)val; +} + +/* + NOTE 1: being inside one of the following methods implies that the v4l + device exists for sure (see kobjects and reference counters) + NOTE 2: buffers are PAGE_SIZE long +*/ + +static ssize_t et61x251_show_reg(struct class_device* cd, char* buf) +{ + struct et61x251_device* cam; + ssize_t count; + + if (down_interruptible(&et61x251_sysfs_lock)) + return -ERESTARTSYS; + + cam = video_get_drvdata(to_video_device(cd)); + if (!cam) { + up(&et61x251_sysfs_lock); + return -ENODEV; + } + + count = sprintf(buf, "%u\n", cam->sysfs.reg); + + up(&et61x251_sysfs_lock); + + return count; +} + + +static ssize_t +et61x251_store_reg(struct class_device* cd, const char* buf, size_t len) +{ + struct et61x251_device* cam; + u8 index; + ssize_t count; + + if (down_interruptible(&et61x251_sysfs_lock)) + return -ERESTARTSYS; + + cam = video_get_drvdata(to_video_device(cd)); + if (!cam) { + up(&et61x251_sysfs_lock); + return -ENODEV; + } + + index = et61x251_strtou8(buf, len, &count); + if (index > 0x8e || !count) { + up(&et61x251_sysfs_lock); + return -EINVAL; + } + + cam->sysfs.reg = index; + + DBG(2, "Moved ET61X[12]51 register index to 0x%02X", cam->sysfs.reg); + DBG(3, "Written bytes: %zd", count); + + up(&et61x251_sysfs_lock); + + return count; +} + + +static ssize_t et61x251_show_val(struct class_device* cd, char* buf) +{ + struct et61x251_device* cam; + ssize_t count; + int val; + + if (down_interruptible(&et61x251_sysfs_lock)) + return -ERESTARTSYS; + + cam = video_get_drvdata(to_video_device(cd)); + if (!cam) { + up(&et61x251_sysfs_lock); + return -ENODEV; + } + + if ((val = et61x251_read_reg(cam, cam->sysfs.reg)) < 0) { + up(&et61x251_sysfs_lock); + return -EIO; + } + + count = sprintf(buf, "%d\n", val); + + DBG(3, "Read bytes: %zd", count); + + up(&et61x251_sysfs_lock); + + return count; +} + + +static ssize_t +et61x251_store_val(struct class_device* cd, const char* buf, size_t len) +{ + struct et61x251_device* cam; + u8 value; + ssize_t count; + int err; + + if (down_interruptible(&et61x251_sysfs_lock)) + return -ERESTARTSYS; + + cam = video_get_drvdata(to_video_device(cd)); + if (!cam) { + up(&et61x251_sysfs_lock); + return -ENODEV; + } + + value = et61x251_strtou8(buf, len, &count); + if (!count) { + up(&et61x251_sysfs_lock); + return -EINVAL; + } + + err = et61x251_write_reg(cam, value, cam->sysfs.reg); + if (err) { + up(&et61x251_sysfs_lock); + return -EIO; + } + + DBG(2, "Written ET61X[12]51 reg. 0x%02X, val. 0x%02X", + cam->sysfs.reg, value); + DBG(3, "Written bytes: %zd", count); + + up(&et61x251_sysfs_lock); + + return count; +} + + +static ssize_t et61x251_show_i2c_reg(struct class_device* cd, char* buf) +{ + struct et61x251_device* cam; + ssize_t count; + + if (down_interruptible(&et61x251_sysfs_lock)) + return -ERESTARTSYS; + + cam = video_get_drvdata(to_video_device(cd)); + if (!cam) { + up(&et61x251_sysfs_lock); + return -ENODEV; + } + + count = sprintf(buf, "%u\n", cam->sysfs.i2c_reg); + + DBG(3, "Read bytes: %zd", count); + + up(&et61x251_sysfs_lock); + + return count; +} + + +static ssize_t +et61x251_store_i2c_reg(struct class_device* cd, const char* buf, size_t len) +{ + struct et61x251_device* cam; + u8 index; + ssize_t count; + + if (down_interruptible(&et61x251_sysfs_lock)) + return -ERESTARTSYS; + + cam = video_get_drvdata(to_video_device(cd)); + if (!cam) { + up(&et61x251_sysfs_lock); + return -ENODEV; + } + + index = et61x251_strtou8(buf, len, &count); + if (!count) { + up(&et61x251_sysfs_lock); + return -EINVAL; + } + + cam->sysfs.i2c_reg = index; + + DBG(2, "Moved sensor register index to 0x%02X", cam->sysfs.i2c_reg); + DBG(3, "Written bytes: %zd", count); + + up(&et61x251_sysfs_lock); + + return count; +} + + +static ssize_t et61x251_show_i2c_val(struct class_device* cd, char* buf) +{ + struct et61x251_device* cam; + ssize_t count; + int val; + + if (down_interruptible(&et61x251_sysfs_lock)) + return -ERESTARTSYS; + + cam = video_get_drvdata(to_video_device(cd)); + if (!cam) { + up(&et61x251_sysfs_lock); + return -ENODEV; + } + + if (!(cam->sensor->sysfs_ops & ET61X251_I2C_READ)) { + up(&et61x251_sysfs_lock); + return -ENOSYS; + } + + if ((val = et61x251_i2c_read(cam, cam->sysfs.i2c_reg)) < 0) { + up(&et61x251_sysfs_lock); + return -EIO; + } + + count = sprintf(buf, "%d\n", val); + + DBG(3, "Read bytes: %zd", count); + + up(&et61x251_sysfs_lock); + + return count; +} + + +static ssize_t +et61x251_store_i2c_val(struct class_device* cd, const char* buf, size_t len) +{ + struct et61x251_device* cam; + u8 value; + ssize_t count; + int err; + + if (down_interruptible(&et61x251_sysfs_lock)) + return -ERESTARTSYS; + + cam = video_get_drvdata(to_video_device(cd)); + if (!cam) { + up(&et61x251_sysfs_lock); + return -ENODEV; + } + + if (!(cam->sensor->sysfs_ops & ET61X251_I2C_READ)) { + up(&et61x251_sysfs_lock); + return -ENOSYS; + } + + value = et61x251_strtou8(buf, len, &count); + if (!count) { + up(&et61x251_sysfs_lock); + return -EINVAL; + } + + err = et61x251_i2c_write(cam, cam->sysfs.i2c_reg, value); + if (err) { + up(&et61x251_sysfs_lock); + return -EIO; + } + + DBG(2, "Written sensor reg. 0x%02X, val. 0x%02X", + cam->sysfs.i2c_reg, value); + DBG(3, "Written bytes: %zd", count); + + up(&et61x251_sysfs_lock); + + return count; +} + + +static CLASS_DEVICE_ATTR(reg, S_IRUGO | S_IWUSR, + et61x251_show_reg, et61x251_store_reg); +static CLASS_DEVICE_ATTR(val, S_IRUGO | S_IWUSR, + et61x251_show_val, et61x251_store_val); +static CLASS_DEVICE_ATTR(i2c_reg, S_IRUGO | S_IWUSR, + et61x251_show_i2c_reg, et61x251_store_i2c_reg); +static CLASS_DEVICE_ATTR(i2c_val, S_IRUGO | S_IWUSR, + et61x251_show_i2c_val, et61x251_store_i2c_val); + + +static void et61x251_create_sysfs(struct et61x251_device* cam) +{ + struct video_device *v4ldev = cam->v4ldev; + + video_device_create_file(v4ldev, &class_device_attr_reg); + video_device_create_file(v4ldev, &class_device_attr_val); + if (cam->sensor && cam->sensor->sysfs_ops) { + video_device_create_file(v4ldev, &class_device_attr_i2c_reg); + video_device_create_file(v4ldev, &class_device_attr_i2c_val); + } +} +#endif /* CONFIG_VIDEO_ADV_DEBUG */ + +/*****************************************************************************/ + +static int +et61x251_set_pix_format(struct et61x251_device* cam, + struct v4l2_pix_format* pix) +{ + int r, err = 0; + + if ((r = et61x251_read_reg(cam, 0x12)) < 0) + err += r; + if (pix->pixelformat == V4L2_PIX_FMT_ET61X251) + err += et61x251_write_reg(cam, r & 0xfd, 0x12); + else + err += et61x251_write_reg(cam, r | 0x02, 0x12); + + return err ? -EIO : 0; +} + + +static int +et61x251_set_compression(struct et61x251_device* cam, + struct v4l2_jpegcompression* compression) +{ + int r, err = 0; + + if ((r = et61x251_read_reg(cam, 0x12)) < 0) + err += r; + if (compression->quality == 0) + err += et61x251_write_reg(cam, r & 0xfb, 0x12); + else + err += et61x251_write_reg(cam, r | 0x04, 0x12); + + return err ? -EIO : 0; +} + + +static int et61x251_set_scale(struct et61x251_device* cam, u8 scale) +{ + int r = 0, err = 0; + + r = et61x251_read_reg(cam, 0x12); + if (r < 0) + err += r; + + if (scale == 1) + err += et61x251_write_reg(cam, r & ~0x01, 0x12); + else if (scale == 2) + err += et61x251_write_reg(cam, r | 0x01, 0x12); + + if (err) + return -EIO; + + PDBGG("Scaling factor: %u", scale); + + return 0; +} + + +static int +et61x251_set_crop(struct et61x251_device* cam, struct v4l2_rect* rect) +{ + struct et61x251_sensor* s = cam->sensor; + u16 fmw_sx = (u16)(rect->left - s->cropcap.bounds.left + + s->active_pixel.left), + fmw_sy = (u16)(rect->top - s->cropcap.bounds.top + + s->active_pixel.top), + fmw_length = (u16)(rect->width), + fmw_height = (u16)(rect->height); + int err = 0; + + err += et61x251_write_reg(cam, fmw_sx & 0xff, 0x69); + err += et61x251_write_reg(cam, fmw_sy & 0xff, 0x6a); + err += et61x251_write_reg(cam, fmw_length & 0xff, 0x6b); + err += et61x251_write_reg(cam, fmw_height & 0xff, 0x6c); + err += et61x251_write_reg(cam, (fmw_sx >> 8) | ((fmw_sy & 0x300) >> 6) + | ((fmw_length & 0x300) >> 4) + | ((fmw_height & 0x300) >> 2), 0x6d); + if (err) + return -EIO; + + PDBGG("fmw_sx, fmw_sy, fmw_length, fmw_height: %u %u %u %u", + fmw_sx, fmw_sy, fmw_length, fmw_height); + + return 0; +} + + +static int et61x251_init(struct et61x251_device* cam) +{ + struct et61x251_sensor* s = cam->sensor; + struct v4l2_control ctrl; + struct v4l2_queryctrl *qctrl; + struct v4l2_rect* rect; + u8 i = 0; + int err = 0; + + if (!(cam->state & DEV_INITIALIZED)) { + init_waitqueue_head(&cam->open); + qctrl = s->qctrl; + rect = &(s->cropcap.defrect); + cam->compression.quality = ET61X251_COMPRESSION_QUALITY; + } else { /* use current values */ + qctrl = s->_qctrl; + rect = &(s->_rect); + } + + err += et61x251_set_scale(cam, rect->width / s->pix_format.width); + err += et61x251_set_crop(cam, rect); + if (err) + return err; + + if (s->init) { + err = s->init(cam); + if (err) { + DBG(3, "Sensor initialization failed"); + return err; + } + } + + err += et61x251_set_compression(cam, &cam->compression); + err += et61x251_set_pix_format(cam, &s->pix_format); + if (s->set_pix_format) + err += s->set_pix_format(cam, &s->pix_format); + if (err) + return err; + + if (s->pix_format.pixelformat == V4L2_PIX_FMT_ET61X251) + DBG(3, "Compressed video format is active, quality %d", + cam->compression.quality); + else + DBG(3, "Uncompressed video format is active"); + + if (s->set_crop) + if ((err = s->set_crop(cam, rect))) { + DBG(3, "set_crop() failed"); + return err; + } + + if (s->set_ctrl) { + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) + if (s->qctrl[i].id != 0 && + !(s->qctrl[i].flags & V4L2_CTRL_FLAG_DISABLED)) { + ctrl.id = s->qctrl[i].id; + ctrl.value = qctrl[i].default_value; + err = s->set_ctrl(cam, &ctrl); + if (err) { + DBG(3, "Set %s control failed", + s->qctrl[i].name); + return err; + } + DBG(3, "Image sensor supports '%s' control", + s->qctrl[i].name); + } + } + + if (!(cam->state & DEV_INITIALIZED)) { + init_MUTEX(&cam->fileop_sem); + spin_lock_init(&cam->queue_lock); + init_waitqueue_head(&cam->wait_frame); + init_waitqueue_head(&cam->wait_stream); + cam->nreadbuffers = 2; + memcpy(s->_qctrl, s->qctrl, sizeof(s->qctrl)); + memcpy(&(s->_rect), &(s->cropcap.defrect), + sizeof(struct v4l2_rect)); + cam->state |= DEV_INITIALIZED; + } + + DBG(2, "Initialization succeeded"); + return 0; +} + + +static void et61x251_release_resources(struct et61x251_device* cam) +{ + down(&et61x251_sysfs_lock); + + DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->minor); + video_set_drvdata(cam->v4ldev, NULL); + video_unregister_device(cam->v4ldev); + + up(&et61x251_sysfs_lock); + + kfree(cam->control_buffer); +} + +/*****************************************************************************/ + +static int et61x251_open(struct inode* inode, struct file* filp) +{ + struct et61x251_device* cam; + int err = 0; + + /* + This is the only safe way to prevent race conditions with + disconnect + */ + if (!down_read_trylock(&et61x251_disconnect)) + return -ERESTARTSYS; + + cam = video_get_drvdata(video_devdata(filp)); + + if (down_interruptible(&cam->dev_sem)) { + up_read(&et61x251_disconnect); + return -ERESTARTSYS; + } + + if (cam->users) { + DBG(2, "Device /dev/video%d is busy...", cam->v4ldev->minor); + if ((filp->f_flags & O_NONBLOCK) || + (filp->f_flags & O_NDELAY)) { + err = -EWOULDBLOCK; + goto out; + } + up(&cam->dev_sem); + err = wait_event_interruptible_exclusive(cam->open, + cam->state & DEV_DISCONNECTED + || !cam->users); + if (err) { + up_read(&et61x251_disconnect); + return err; + } + if (cam->state & DEV_DISCONNECTED) { + up_read(&et61x251_disconnect); + return -ENODEV; + } + down(&cam->dev_sem); + } + + + if (cam->state & DEV_MISCONFIGURED) { + err = et61x251_init(cam); + if (err) { + DBG(1, "Initialization failed again. " + "I will retry on next open()."); + goto out; + } + cam->state &= ~DEV_MISCONFIGURED; + } + + if ((err = et61x251_start_transfer(cam))) + goto out; + + filp->private_data = cam; + cam->users++; + cam->io = IO_NONE; + cam->stream = STREAM_OFF; + cam->nbuffers = 0; + cam->frame_count = 0; + et61x251_empty_framequeues(cam); + + DBG(3, "Video device /dev/video%d is open", cam->v4ldev->minor); + +out: + up(&cam->dev_sem); + up_read(&et61x251_disconnect); + return err; +} + + +static int et61x251_release(struct inode* inode, struct file* filp) +{ + struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + + down(&cam->dev_sem); /* prevent disconnect() to be called */ + + et61x251_stop_transfer(cam); + + et61x251_release_buffers(cam); + + if (cam->state & DEV_DISCONNECTED) { + et61x251_release_resources(cam); + up(&cam->dev_sem); + kfree(cam); + return 0; + } + + cam->users--; + wake_up_interruptible_nr(&cam->open, 1); + + DBG(3, "Video device /dev/video%d closed", cam->v4ldev->minor); + + up(&cam->dev_sem); + + return 0; +} + + +static ssize_t +et61x251_read(struct file* filp, char __user * buf, + size_t count, loff_t* f_pos) +{ + struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + struct et61x251_frame_t* f, * i; + unsigned long lock_flags; + int err = 0; + + if (down_interruptible(&cam->fileop_sem)) + return -ERESTARTSYS; + + if (cam->state & DEV_DISCONNECTED) { + DBG(1, "Device not present"); + up(&cam->fileop_sem); + return -ENODEV; + } + + if (cam->state & DEV_MISCONFIGURED) { + DBG(1, "The camera is misconfigured. Close and open it " + "again."); + up(&cam->fileop_sem); + return -EIO; + } + + if (cam->io == IO_MMAP) { + DBG(3, "Close and open the device again to choose the read " + "method"); + up(&cam->fileop_sem); + return -EINVAL; + } + + if (cam->io == IO_NONE) { + if (!et61x251_request_buffers(cam, cam->nreadbuffers, + IO_READ)) { + DBG(1, "read() failed, not enough memory"); + up(&cam->fileop_sem); + return -ENOMEM; + } + cam->io = IO_READ; + cam->stream = STREAM_ON; + } + + if (list_empty(&cam->inqueue)) { + if (!list_empty(&cam->outqueue)) + et61x251_empty_framequeues(cam); + et61x251_queue_unusedframes(cam); + } + + if (!count) { + up(&cam->fileop_sem); + return 0; + } + + if (list_empty(&cam->outqueue)) { + if (filp->f_flags & O_NONBLOCK) { + up(&cam->fileop_sem); + return -EAGAIN; + } + err = wait_event_interruptible + ( cam->wait_frame, + (!list_empty(&cam->outqueue)) || + (cam->state & DEV_DISCONNECTED) || + (cam->state & DEV_MISCONFIGURED) ); + if (err) { + up(&cam->fileop_sem); + return err; + } + if (cam->state & DEV_DISCONNECTED) { + up(&cam->fileop_sem); + return -ENODEV; + } + if (cam->state & DEV_MISCONFIGURED) { + up(&cam->fileop_sem); + return -EIO; + } + } + + f = list_entry(cam->outqueue.prev, struct et61x251_frame_t, frame); + + if (count > f->buf.bytesused) + count = f->buf.bytesused; + + if (copy_to_user(buf, f->bufmem, count)) { + err = -EFAULT; + goto exit; + } + *f_pos += count; + +exit: + spin_lock_irqsave(&cam->queue_lock, lock_flags); + list_for_each_entry(i, &cam->outqueue, frame) + i->state = F_UNUSED; + INIT_LIST_HEAD(&cam->outqueue); + spin_unlock_irqrestore(&cam->queue_lock, lock_flags); + + et61x251_queue_unusedframes(cam); + + PDBGG("Frame #%lu, bytes read: %zu", + (unsigned long)f->buf.index, count); + + up(&cam->fileop_sem); + + return err ? err : count; +} + + +static unsigned int et61x251_poll(struct file *filp, poll_table *wait) +{ + struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + struct et61x251_frame_t* f; + unsigned long lock_flags; + unsigned int mask = 0; + + if (down_interruptible(&cam->fileop_sem)) + return POLLERR; + + if (cam->state & DEV_DISCONNECTED) { + DBG(1, "Device not present"); + goto error; + } + + if (cam->state & DEV_MISCONFIGURED) { + DBG(1, "The camera is misconfigured. Close and open it " + "again."); + goto error; + } + + if (cam->io == IO_NONE) { + if (!et61x251_request_buffers(cam, cam->nreadbuffers, + IO_READ)) { + DBG(1, "poll() failed, not enough memory"); + goto error; + } + cam->io = IO_READ; + cam->stream = STREAM_ON; + } + + if (cam->io == IO_READ) { + spin_lock_irqsave(&cam->queue_lock, lock_flags); + list_for_each_entry(f, &cam->outqueue, frame) + f->state = F_UNUSED; + INIT_LIST_HEAD(&cam->outqueue); + spin_unlock_irqrestore(&cam->queue_lock, lock_flags); + et61x251_queue_unusedframes(cam); + } + + poll_wait(filp, &cam->wait_frame, wait); + + if (!list_empty(&cam->outqueue)) + mask |= POLLIN | POLLRDNORM; + + up(&cam->fileop_sem); + + return mask; + +error: + up(&cam->fileop_sem); + return POLLERR; +} + + +static void et61x251_vm_open(struct vm_area_struct* vma) +{ + struct et61x251_frame_t* f = vma->vm_private_data; + f->vma_use_count++; +} + + +static void et61x251_vm_close(struct vm_area_struct* vma) +{ + /* NOTE: buffers are not freed here */ + struct et61x251_frame_t* f = vma->vm_private_data; + f->vma_use_count--; +} + + +static struct vm_operations_struct et61x251_vm_ops = { + .open = et61x251_vm_open, + .close = et61x251_vm_close, +}; + + +static int et61x251_mmap(struct file* filp, struct vm_area_struct *vma) +{ + struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + unsigned long size = vma->vm_end - vma->vm_start, + start = vma->vm_start; + void *pos; + u32 i; + + if (down_interruptible(&cam->fileop_sem)) + return -ERESTARTSYS; + + if (cam->state & DEV_DISCONNECTED) { + DBG(1, "Device not present"); + up(&cam->fileop_sem); + return -ENODEV; + } + + if (cam->state & DEV_MISCONFIGURED) { + DBG(1, "The camera is misconfigured. Close and open it " + "again."); + up(&cam->fileop_sem); + return -EIO; + } + + if (cam->io != IO_MMAP || !(vma->vm_flags & VM_WRITE) || + size != PAGE_ALIGN(cam->frame[0].buf.length)) { + up(&cam->fileop_sem); + return -EINVAL; + } + + for (i = 0; i < cam->nbuffers; i++) { + if ((cam->frame[i].buf.m.offset>>PAGE_SHIFT) == vma->vm_pgoff) + break; + } + if (i == cam->nbuffers) { + up(&cam->fileop_sem); + return -EINVAL; + } + + vma->vm_flags |= VM_IO; + vma->vm_flags |= VM_RESERVED; + + pos = cam->frame[i].bufmem; + while (size > 0) { /* size is page-aligned */ + if (vm_insert_page(vma, start, vmalloc_to_page(pos))) { + up(&cam->fileop_sem); + return -EAGAIN; + } + start += PAGE_SIZE; + pos += PAGE_SIZE; + size -= PAGE_SIZE; + } + + vma->vm_ops = &et61x251_vm_ops; + vma->vm_private_data = &cam->frame[i]; + + et61x251_vm_open(vma); + + up(&cam->fileop_sem); + + return 0; +} + +/*****************************************************************************/ + +static int +et61x251_vidioc_querycap(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_capability cap = { + .driver = "et61x251", + .version = ET61X251_MODULE_VERSION_CODE, + .capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING, + }; + + strlcpy(cap.card, cam->v4ldev->name, sizeof(cap.card)); + if (usb_make_path(cam->usbdev, cap.bus_info, sizeof(cap.bus_info)) < 0) + strlcpy(cap.bus_info, cam->usbdev->dev.bus_id, + sizeof(cap.bus_info)); + + if (copy_to_user(arg, &cap, sizeof(cap))) + return -EFAULT; + + return 0; +} + + +static int +et61x251_vidioc_enuminput(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_input i; + + if (copy_from_user(&i, arg, sizeof(i))) + return -EFAULT; + + if (i.index) + return -EINVAL; + + memset(&i, 0, sizeof(i)); + strcpy(i.name, "Camera"); + + if (copy_to_user(arg, &i, sizeof(i))) + return -EFAULT; + + return 0; +} + + +static int +et61x251_vidioc_gs_input(struct et61x251_device* cam, void __user * arg) +{ + int index; + + if (copy_from_user(&index, arg, sizeof(index))) + return -EFAULT; + + if (index != 0) + return -EINVAL; + + return 0; +} + + +static int +et61x251_vidioc_query_ctrl(struct et61x251_device* cam, void __user * arg) +{ + struct et61x251_sensor* s = cam->sensor; + struct v4l2_queryctrl qc; + u8 i; + + if (copy_from_user(&qc, arg, sizeof(qc))) + return -EFAULT; + + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) + if (qc.id && qc.id == s->qctrl[i].id) { + memcpy(&qc, &(s->qctrl[i]), sizeof(qc)); + if (copy_to_user(arg, &qc, sizeof(qc))) + return -EFAULT; + return 0; + } + + return -EINVAL; +} + + +static int +et61x251_vidioc_g_ctrl(struct et61x251_device* cam, void __user * arg) +{ + struct et61x251_sensor* s = cam->sensor; + struct v4l2_control ctrl; + int err = 0; + u8 i; + + if (!s->get_ctrl && !s->set_ctrl) + return -EINVAL; + + if (copy_from_user(&ctrl, arg, sizeof(ctrl))) + return -EFAULT; + + if (!s->get_ctrl) { + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) + if (ctrl.id == s->qctrl[i].id) { + ctrl.value = s->_qctrl[i].default_value; + goto exit; + } + return -EINVAL; + } else + err = s->get_ctrl(cam, &ctrl); + +exit: + if (copy_to_user(arg, &ctrl, sizeof(ctrl))) + return -EFAULT; + + return err; +} + + +static int +et61x251_vidioc_s_ctrl(struct et61x251_device* cam, void __user * arg) +{ + struct et61x251_sensor* s = cam->sensor; + struct v4l2_control ctrl; + u8 i; + int err = 0; + + if (!s->set_ctrl) + return -EINVAL; + + if (copy_from_user(&ctrl, arg, sizeof(ctrl))) + return -EFAULT; + + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) + if (ctrl.id == s->qctrl[i].id) { + if (ctrl.value < s->qctrl[i].minimum || + ctrl.value > s->qctrl[i].maximum) + return -ERANGE; + ctrl.value -= ctrl.value % s->qctrl[i].step; + break; + } + + if ((err = s->set_ctrl(cam, &ctrl))) + return err; + + s->_qctrl[i].default_value = ctrl.value; + + return 0; +} + + +static int +et61x251_vidioc_cropcap(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_cropcap* cc = &(cam->sensor->cropcap); + + cc->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + cc->pixelaspect.numerator = 1; + cc->pixelaspect.denominator = 1; + + if (copy_to_user(arg, cc, sizeof(*cc))) + return -EFAULT; + + return 0; +} + + +static int +et61x251_vidioc_g_crop(struct et61x251_device* cam, void __user * arg) +{ + struct et61x251_sensor* s = cam->sensor; + struct v4l2_crop crop = { + .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, + }; + + memcpy(&(crop.c), &(s->_rect), sizeof(struct v4l2_rect)); + + if (copy_to_user(arg, &crop, sizeof(crop))) + return -EFAULT; + + return 0; +} + + +static int +et61x251_vidioc_s_crop(struct et61x251_device* cam, void __user * arg) +{ + struct et61x251_sensor* s = cam->sensor; + struct v4l2_crop crop; + struct v4l2_rect* rect; + struct v4l2_rect* bounds = &(s->cropcap.bounds); + struct v4l2_pix_format* pix_format = &(s->pix_format); + u8 scale; + const enum et61x251_stream_state stream = cam->stream; + const u32 nbuffers = cam->nbuffers; + u32 i; + int err = 0; + + if (copy_from_user(&crop, arg, sizeof(crop))) + return -EFAULT; + + rect = &(crop.c); + + if (crop.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + if (cam->module_param.force_munmap) + for (i = 0; i < cam->nbuffers; i++) + if (cam->frame[i].vma_use_count) { + DBG(3, "VIDIOC_S_CROP failed. " + "Unmap the buffers first."); + return -EINVAL; + } + + /* Preserve R,G or B origin */ + rect->left = (s->_rect.left & 1L) ? rect->left | 1L : rect->left & ~1L; + rect->top = (s->_rect.top & 1L) ? rect->top | 1L : rect->top & ~1L; + + if (rect->width < 4) + rect->width = 4; + if (rect->height < 4) + rect->height = 4; + if (rect->width > bounds->width) + rect->width = bounds->width; + if (rect->height > bounds->height) + rect->height = bounds->height; + if (rect->left < bounds->left) + rect->left = bounds->left; + if (rect->top < bounds->top) + rect->top = bounds->top; + if (rect->left + rect->width > bounds->left + bounds->width) + rect->left = bounds->left+bounds->width - rect->width; + if (rect->top + rect->height > bounds->top + bounds->height) + rect->top = bounds->top+bounds->height - rect->height; + + rect->width &= ~3L; + rect->height &= ~3L; + + if (ET61X251_PRESERVE_IMGSCALE) { + /* Calculate the actual scaling factor */ + u32 a, b; + a = rect->width * rect->height; + b = pix_format->width * pix_format->height; + scale = b ? (u8)((a / b) < 4 ? 1 : 2) : 1; + } else + scale = 1; + + if (cam->stream == STREAM_ON) + if ((err = et61x251_stream_interrupt(cam))) + return err; + + if (copy_to_user(arg, &crop, sizeof(crop))) { + cam->stream = stream; + return -EFAULT; + } + + if (cam->module_param.force_munmap || cam->io == IO_READ) + et61x251_release_buffers(cam); + + err = et61x251_set_crop(cam, rect); + if (s->set_crop) + err += s->set_crop(cam, rect); + err += et61x251_set_scale(cam, scale); + + if (err) { /* atomic, no rollback in ioctl() */ + cam->state |= DEV_MISCONFIGURED; + DBG(1, "VIDIOC_S_CROP failed because of hardware problems. To " + "use the camera, close and open /dev/video%d again.", + cam->v4ldev->minor); + return -EIO; + } + + s->pix_format.width = rect->width/scale; + s->pix_format.height = rect->height/scale; + memcpy(&(s->_rect), rect, sizeof(*rect)); + + if ((cam->module_param.force_munmap || cam->io == IO_READ) && + nbuffers != et61x251_request_buffers(cam, nbuffers, cam->io)) { + cam->state |= DEV_MISCONFIGURED; + DBG(1, "VIDIOC_S_CROP failed because of not enough memory. To " + "use the camera, close and open /dev/video%d again.", + cam->v4ldev->minor); + return -ENOMEM; + } + + if (cam->io == IO_READ) + et61x251_empty_framequeues(cam); + else if (cam->module_param.force_munmap) + et61x251_requeue_outqueue(cam); + + cam->stream = stream; + + return 0; +} + + +static int +et61x251_vidioc_enum_fmt(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_fmtdesc fmtd; + + if (copy_from_user(&fmtd, arg, sizeof(fmtd))) + return -EFAULT; + + if (fmtd.index == 0) { + strcpy(fmtd.description, "bayer rgb"); + fmtd.pixelformat = V4L2_PIX_FMT_SBGGR8; + } else if (fmtd.index == 1) { + strcpy(fmtd.description, "compressed"); + fmtd.pixelformat = V4L2_PIX_FMT_ET61X251; + fmtd.flags = V4L2_FMT_FLAG_COMPRESSED; + } else + return -EINVAL; + + fmtd.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + memset(&fmtd.reserved, 0, sizeof(fmtd.reserved)); + + if (copy_to_user(arg, &fmtd, sizeof(fmtd))) + return -EFAULT; + + return 0; +} + + +static int +et61x251_vidioc_g_fmt(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_format format; + struct v4l2_pix_format* pfmt = &(cam->sensor->pix_format); + + if (copy_from_user(&format, arg, sizeof(format))) + return -EFAULT; + + if (format.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + pfmt->bytesperline = (pfmt->pixelformat==V4L2_PIX_FMT_ET61X251) + ? 0 : (pfmt->width * pfmt->priv) / 8; + pfmt->sizeimage = pfmt->height * ((pfmt->width*pfmt->priv)/8); + pfmt->field = V4L2_FIELD_NONE; + memcpy(&(format.fmt.pix), pfmt, sizeof(*pfmt)); + + if (copy_to_user(arg, &format, sizeof(format))) + return -EFAULT; + + return 0; +} + + +static int +et61x251_vidioc_try_s_fmt(struct et61x251_device* cam, unsigned int cmd, + void __user * arg) +{ + struct et61x251_sensor* s = cam->sensor; + struct v4l2_format format; + struct v4l2_pix_format* pix; + struct v4l2_pix_format* pfmt = &(s->pix_format); + struct v4l2_rect* bounds = &(s->cropcap.bounds); + struct v4l2_rect rect; + u8 scale; + const enum et61x251_stream_state stream = cam->stream; + const u32 nbuffers = cam->nbuffers; + u32 i; + int err = 0; + + if (copy_from_user(&format, arg, sizeof(format))) + return -EFAULT; + + pix = &(format.fmt.pix); + + if (format.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + memcpy(&rect, &(s->_rect), sizeof(rect)); + + { /* calculate the actual scaling factor */ + u32 a, b; + a = rect.width * rect.height; + b = pix->width * pix->height; + scale = b ? (u8)((a / b) < 4 ? 1 : 2) : 1; + } + + rect.width = scale * pix->width; + rect.height = scale * pix->height; + + if (rect.width < 4) + rect.width = 4; + if (rect.height < 4) + rect.height = 4; + if (rect.width > bounds->left + bounds->width - rect.left) + rect.width = bounds->left + bounds->width - rect.left; + if (rect.height > bounds->top + bounds->height - rect.top) + rect.height = bounds->top + bounds->height - rect.top; + + rect.width &= ~3L; + rect.height &= ~3L; + + { /* adjust the scaling factor */ + u32 a, b; + a = rect.width * rect.height; + b = pix->width * pix->height; + scale = b ? (u8)((a / b) < 4 ? 1 : 2) : 1; + } + + pix->width = rect.width / scale; + pix->height = rect.height / scale; + + if (pix->pixelformat != V4L2_PIX_FMT_ET61X251 && + pix->pixelformat != V4L2_PIX_FMT_SBGGR8) + pix->pixelformat = pfmt->pixelformat; + pix->priv = pfmt->priv; /* bpp */ + pix->colorspace = pfmt->colorspace; + pix->bytesperline = (pix->pixelformat == V4L2_PIX_FMT_ET61X251) + ? 0 : (pix->width * pix->priv) / 8; + pix->sizeimage = pix->height * ((pix->width * pix->priv) / 8); + pix->field = V4L2_FIELD_NONE; + + if (cmd == VIDIOC_TRY_FMT) { + if (copy_to_user(arg, &format, sizeof(format))) + return -EFAULT; + return 0; + } + + if (cam->module_param.force_munmap) + for (i = 0; i < cam->nbuffers; i++) + if (cam->frame[i].vma_use_count) { + DBG(3, "VIDIOC_S_FMT failed. " + "Unmap the buffers first."); + return -EINVAL; + } + + if (cam->stream == STREAM_ON) + if ((err = et61x251_stream_interrupt(cam))) + return err; + + if (copy_to_user(arg, &format, sizeof(format))) { + cam->stream = stream; + return -EFAULT; + } + + if (cam->module_param.force_munmap || cam->io == IO_READ) + et61x251_release_buffers(cam); + + err += et61x251_set_pix_format(cam, pix); + err += et61x251_set_crop(cam, &rect); + if (s->set_pix_format) + err += s->set_pix_format(cam, pix); + if (s->set_crop) + err += s->set_crop(cam, &rect); + err += et61x251_set_scale(cam, scale); + + if (err) { /* atomic, no rollback in ioctl() */ + cam->state |= DEV_MISCONFIGURED; + DBG(1, "VIDIOC_S_FMT failed because of hardware problems. To " + "use the camera, close and open /dev/video%d again.", + cam->v4ldev->minor); + return -EIO; + } + + memcpy(pfmt, pix, sizeof(*pix)); + memcpy(&(s->_rect), &rect, sizeof(rect)); + + if ((cam->module_param.force_munmap || cam->io == IO_READ) && + nbuffers != et61x251_request_buffers(cam, nbuffers, cam->io)) { + cam->state |= DEV_MISCONFIGURED; + DBG(1, "VIDIOC_S_FMT failed because of not enough memory. To " + "use the camera, close and open /dev/video%d again.", + cam->v4ldev->minor); + return -ENOMEM; + } + + if (cam->io == IO_READ) + et61x251_empty_framequeues(cam); + else if (cam->module_param.force_munmap) + et61x251_requeue_outqueue(cam); + + cam->stream = stream; + + return 0; +} + + +static int +et61x251_vidioc_g_jpegcomp(struct et61x251_device* cam, void __user * arg) +{ + if (copy_to_user(arg, &cam->compression, + sizeof(cam->compression))) + return -EFAULT; + + return 0; +} + + +static int +et61x251_vidioc_s_jpegcomp(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_jpegcompression jc; + const enum et61x251_stream_state stream = cam->stream; + int err = 0; + + if (copy_from_user(&jc, arg, sizeof(jc))) + return -EFAULT; + + if (jc.quality != 0 && jc.quality != 1) + return -EINVAL; + + if (cam->stream == STREAM_ON) + if ((err = et61x251_stream_interrupt(cam))) + return err; + + err += et61x251_set_compression(cam, &jc); + if (err) { /* atomic, no rollback in ioctl() */ + cam->state |= DEV_MISCONFIGURED; + DBG(1, "VIDIOC_S_JPEGCOMP failed because of hardware " + "problems. To use the camera, close and open " + "/dev/video%d again.", cam->v4ldev->minor); + return -EIO; + } + + cam->compression.quality = jc.quality; + + cam->stream = stream; + + return 0; +} + + +static int +et61x251_vidioc_reqbufs(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_requestbuffers rb; + u32 i; + int err; + + if (copy_from_user(&rb, arg, sizeof(rb))) + return -EFAULT; + + if (rb.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + rb.memory != V4L2_MEMORY_MMAP) + return -EINVAL; + + if (cam->io == IO_READ) { + DBG(3, "Close and open the device again to choose the mmap " + "I/O method"); + return -EINVAL; + } + + for (i = 0; i < cam->nbuffers; i++) + if (cam->frame[i].vma_use_count) { + DBG(3, "VIDIOC_REQBUFS failed. " + "Previous buffers are still mapped."); + return -EINVAL; + } + + if (cam->stream == STREAM_ON) + if ((err = et61x251_stream_interrupt(cam))) + return err; + + et61x251_empty_framequeues(cam); + + et61x251_release_buffers(cam); + if (rb.count) + rb.count = et61x251_request_buffers(cam, rb.count, IO_MMAP); + + if (copy_to_user(arg, &rb, sizeof(rb))) { + et61x251_release_buffers(cam); + cam->io = IO_NONE; + return -EFAULT; + } + + cam->io = rb.count ? IO_MMAP : IO_NONE; + + return 0; +} + + +static int +et61x251_vidioc_querybuf(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_buffer b; + + if (copy_from_user(&b, arg, sizeof(b))) + return -EFAULT; + + if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + b.index >= cam->nbuffers || cam->io != IO_MMAP) + return -EINVAL; + + memcpy(&b, &cam->frame[b.index].buf, sizeof(b)); + + if (cam->frame[b.index].vma_use_count) + b.flags |= V4L2_BUF_FLAG_MAPPED; + + if (cam->frame[b.index].state == F_DONE) + b.flags |= V4L2_BUF_FLAG_DONE; + else if (cam->frame[b.index].state != F_UNUSED) + b.flags |= V4L2_BUF_FLAG_QUEUED; + + if (copy_to_user(arg, &b, sizeof(b))) + return -EFAULT; + + return 0; +} + + +static int +et61x251_vidioc_qbuf(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_buffer b; + unsigned long lock_flags; + + if (copy_from_user(&b, arg, sizeof(b))) + return -EFAULT; + + if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + b.index >= cam->nbuffers || cam->io != IO_MMAP) + return -EINVAL; + + if (cam->frame[b.index].state != F_UNUSED) + return -EINVAL; + + cam->frame[b.index].state = F_QUEUED; + + spin_lock_irqsave(&cam->queue_lock, lock_flags); + list_add_tail(&cam->frame[b.index].frame, &cam->inqueue); + spin_unlock_irqrestore(&cam->queue_lock, lock_flags); + + PDBGG("Frame #%lu queued", (unsigned long)b.index); + + return 0; +} + + +static int +et61x251_vidioc_dqbuf(struct et61x251_device* cam, struct file* filp, + void __user * arg) +{ + struct v4l2_buffer b; + struct et61x251_frame_t *f; + unsigned long lock_flags; + int err = 0; + + if (copy_from_user(&b, arg, sizeof(b))) + return -EFAULT; + + if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io!= IO_MMAP) + return -EINVAL; + + if (list_empty(&cam->outqueue)) { + if (cam->stream == STREAM_OFF) + return -EINVAL; + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + err = wait_event_interruptible + ( cam->wait_frame, + (!list_empty(&cam->outqueue)) || + (cam->state & DEV_DISCONNECTED) || + (cam->state & DEV_MISCONFIGURED) ); + if (err) + return err; + if (cam->state & DEV_DISCONNECTED) + return -ENODEV; + if (cam->state & DEV_MISCONFIGURED) + return -EIO; + } + + spin_lock_irqsave(&cam->queue_lock, lock_flags); + f = list_entry(cam->outqueue.next, struct et61x251_frame_t, frame); + list_del(cam->outqueue.next); + spin_unlock_irqrestore(&cam->queue_lock, lock_flags); + + f->state = F_UNUSED; + + memcpy(&b, &f->buf, sizeof(b)); + if (f->vma_use_count) + b.flags |= V4L2_BUF_FLAG_MAPPED; + + if (copy_to_user(arg, &b, sizeof(b))) + return -EFAULT; + + PDBGG("Frame #%lu dequeued", (unsigned long)f->buf.index); + + return 0; +} + + +static int +et61x251_vidioc_streamon(struct et61x251_device* cam, void __user * arg) +{ + int type; + + if (copy_from_user(&type, arg, sizeof(type))) + return -EFAULT; + + if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io != IO_MMAP) + return -EINVAL; + + if (list_empty(&cam->inqueue)) + return -EINVAL; + + cam->stream = STREAM_ON; + + DBG(3, "Stream on"); + + return 0; +} + + +static int +et61x251_vidioc_streamoff(struct et61x251_device* cam, void __user * arg) +{ + int type, err; + + if (copy_from_user(&type, arg, sizeof(type))) + return -EFAULT; + + if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io != IO_MMAP) + return -EINVAL; + + if (cam->stream == STREAM_ON) + if ((err = et61x251_stream_interrupt(cam))) + return err; + + et61x251_empty_framequeues(cam); + + DBG(3, "Stream off"); + + return 0; +} + + +static int +et61x251_vidioc_g_parm(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_streamparm sp; + + if (copy_from_user(&sp, arg, sizeof(sp))) + return -EFAULT; + + if (sp.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + sp.parm.capture.extendedmode = 0; + sp.parm.capture.readbuffers = cam->nreadbuffers; + + if (copy_to_user(arg, &sp, sizeof(sp))) + return -EFAULT; + + return 0; +} + + +static int +et61x251_vidioc_s_parm(struct et61x251_device* cam, void __user * arg) +{ + struct v4l2_streamparm sp; + + if (copy_from_user(&sp, arg, sizeof(sp))) + return -EFAULT; + + if (sp.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + sp.parm.capture.extendedmode = 0; + + if (sp.parm.capture.readbuffers == 0) + sp.parm.capture.readbuffers = cam->nreadbuffers; + + if (sp.parm.capture.readbuffers > ET61X251_MAX_FRAMES) + sp.parm.capture.readbuffers = ET61X251_MAX_FRAMES; + + if (copy_to_user(arg, &sp, sizeof(sp))) + return -EFAULT; + + cam->nreadbuffers = sp.parm.capture.readbuffers; + + return 0; +} + + +static int et61x251_ioctl_v4l2(struct inode* inode, struct file* filp, + unsigned int cmd, void __user * arg) +{ + struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + + switch (cmd) { + + case VIDIOC_QUERYCAP: + return et61x251_vidioc_querycap(cam, arg); + + case VIDIOC_ENUMINPUT: + return et61x251_vidioc_enuminput(cam, arg); + + case VIDIOC_G_INPUT: + case VIDIOC_S_INPUT: + return et61x251_vidioc_gs_input(cam, arg); + + case VIDIOC_QUERYCTRL: + return et61x251_vidioc_query_ctrl(cam, arg); + + case VIDIOC_G_CTRL: + return et61x251_vidioc_g_ctrl(cam, arg); + + case VIDIOC_S_CTRL_OLD: + case VIDIOC_S_CTRL: + return et61x251_vidioc_s_ctrl(cam, arg); + + case VIDIOC_CROPCAP_OLD: + case VIDIOC_CROPCAP: + return et61x251_vidioc_cropcap(cam, arg); + + case VIDIOC_G_CROP: + return et61x251_vidioc_g_crop(cam, arg); + + case VIDIOC_S_CROP: + return et61x251_vidioc_s_crop(cam, arg); + + case VIDIOC_ENUM_FMT: + return et61x251_vidioc_enum_fmt(cam, arg); + + case VIDIOC_G_FMT: + return et61x251_vidioc_g_fmt(cam, arg); + + case VIDIOC_TRY_FMT: + case VIDIOC_S_FMT: + return et61x251_vidioc_try_s_fmt(cam, cmd, arg); + + case VIDIOC_G_JPEGCOMP: + return et61x251_vidioc_g_jpegcomp(cam, arg); + + case VIDIOC_S_JPEGCOMP: + return et61x251_vidioc_s_jpegcomp(cam, arg); + + case VIDIOC_REQBUFS: + return et61x251_vidioc_reqbufs(cam, arg); + + case VIDIOC_QUERYBUF: + return et61x251_vidioc_querybuf(cam, arg); + + case VIDIOC_QBUF: + return et61x251_vidioc_qbuf(cam, arg); + + case VIDIOC_DQBUF: + return et61x251_vidioc_dqbuf(cam, filp, arg); + + case VIDIOC_STREAMON: + return et61x251_vidioc_streamon(cam, arg); + + case VIDIOC_STREAMOFF: + return et61x251_vidioc_streamoff(cam, arg); + + case VIDIOC_G_PARM: + return et61x251_vidioc_g_parm(cam, arg); + + case VIDIOC_S_PARM_OLD: + case VIDIOC_S_PARM: + return et61x251_vidioc_s_parm(cam, arg); + + case VIDIOC_G_STD: + case VIDIOC_S_STD: + case VIDIOC_QUERYSTD: + case VIDIOC_ENUMSTD: + case VIDIOC_QUERYMENU: + return -EINVAL; + + default: + return -EINVAL; + + } +} + + +static int et61x251_ioctl(struct inode* inode, struct file* filp, + unsigned int cmd, unsigned long arg) +{ + struct et61x251_device* cam = video_get_drvdata(video_devdata(filp)); + int err = 0; + + if (down_interruptible(&cam->fileop_sem)) + return -ERESTARTSYS; + + if (cam->state & DEV_DISCONNECTED) { + DBG(1, "Device not present"); + up(&cam->fileop_sem); + return -ENODEV; + } + + if (cam->state & DEV_MISCONFIGURED) { + DBG(1, "The camera is misconfigured. Close and open it " + "again."); + up(&cam->fileop_sem); + return -EIO; + } + + V4LDBG(3, "et61x251", cmd); + + err = et61x251_ioctl_v4l2(inode, filp, cmd, (void __user *)arg); + + up(&cam->fileop_sem); + + return err; +} + + +static struct file_operations et61x251_fops = { + .owner = THIS_MODULE, + .open = et61x251_open, + .release = et61x251_release, + .ioctl = et61x251_ioctl, + .read = et61x251_read, + .poll = et61x251_poll, + .mmap = et61x251_mmap, + .llseek = no_llseek, +}; + +/*****************************************************************************/ + +/* It exists a single interface only. We do not need to validate anything. */ +static int +et61x251_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + struct et61x251_device* cam; + static unsigned int dev_nr = 0; + unsigned int i; + int err = 0; + + if (!(cam = kzalloc(sizeof(struct et61x251_device), GFP_KERNEL))) + return -ENOMEM; + + cam->usbdev = udev; + + if (!(cam->control_buffer = kzalloc(8, GFP_KERNEL))) { + DBG(1, "kmalloc() failed"); + err = -ENOMEM; + goto fail; + } + + if (!(cam->v4ldev = video_device_alloc())) { + DBG(1, "video_device_alloc() failed"); + err = -ENOMEM; + goto fail; + } + + init_MUTEX(&cam->dev_sem); + + DBG(2, "ET61X[12]51 PC Camera Controller detected " + "(vid/pid 0x%04X/0x%04X)",id->idVendor, id->idProduct); + + for (i = 0; et61x251_sensor_table[i]; i++) { + err = et61x251_sensor_table[i](cam); + if (!err) + break; + } + + if (!err && cam->sensor) + DBG(2, "%s image sensor detected", cam->sensor->name); + else { + DBG(1, "No supported image sensor detected"); + err = -ENODEV; + goto fail; + } + + if (et61x251_init(cam)) { + DBG(1, "Initialization failed. I will retry on open()."); + cam->state |= DEV_MISCONFIGURED; + } + + strcpy(cam->v4ldev->name, "ET61X[12]51 PC Camera"); + cam->v4ldev->owner = THIS_MODULE; + cam->v4ldev->type = VID_TYPE_CAPTURE | VID_TYPE_SCALES; + cam->v4ldev->hardware = 0; + cam->v4ldev->fops = &et61x251_fops; + cam->v4ldev->minor = video_nr[dev_nr]; + cam->v4ldev->release = video_device_release; + video_set_drvdata(cam->v4ldev, cam); + + down(&cam->dev_sem); + + err = video_register_device(cam->v4ldev, VFL_TYPE_GRABBER, + video_nr[dev_nr]); + if (err) { + DBG(1, "V4L2 device registration failed"); + if (err == -ENFILE && video_nr[dev_nr] == -1) + DBG(1, "Free /dev/videoX node not found"); + video_nr[dev_nr] = -1; + dev_nr = (dev_nr < ET61X251_MAX_DEVICES-1) ? dev_nr+1 : 0; + up(&cam->dev_sem); + goto fail; + } + + DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->minor); + + cam->module_param.force_munmap = force_munmap[dev_nr]; + + dev_nr = (dev_nr < ET61X251_MAX_DEVICES-1) ? dev_nr+1 : 0; + +#ifdef CONFIG_VIDEO_ADV_DEBUG + et61x251_create_sysfs(cam); + DBG(2, "Optional device control through 'sysfs' interface ready"); +#endif + + usb_set_intfdata(intf, cam); + + up(&cam->dev_sem); + + return 0; + +fail: + if (cam) { + kfree(cam->control_buffer); + if (cam->v4ldev) + video_device_release(cam->v4ldev); + kfree(cam); + } + return err; +} + + +static void et61x251_usb_disconnect(struct usb_interface* intf) +{ + struct et61x251_device* cam = usb_get_intfdata(intf); + + if (!cam) + return; + + down_write(&et61x251_disconnect); + + down(&cam->dev_sem); + + DBG(2, "Disconnecting %s...", cam->v4ldev->name); + + wake_up_interruptible_all(&cam->open); + + if (cam->users) { + DBG(2, "Device /dev/video%d is open! Deregistration and " + "memory deallocation are deferred on close.", + cam->v4ldev->minor); + cam->state |= DEV_MISCONFIGURED; + et61x251_stop_transfer(cam); + cam->state |= DEV_DISCONNECTED; + wake_up_interruptible(&cam->wait_frame); + wake_up_interruptible(&cam->wait_stream); + } else { + cam->state |= DEV_DISCONNECTED; + et61x251_release_resources(cam); + } + + up(&cam->dev_sem); + + if (!cam->users) + kfree(cam); + + up_write(&et61x251_disconnect); +} + + +static struct usb_driver et61x251_usb_driver = { + .name = "et61x251", + .id_table = et61x251_id_table, + .probe = et61x251_usb_probe, + .disconnect = et61x251_usb_disconnect, +}; + +/*****************************************************************************/ + +static int __init et61x251_module_init(void) +{ + int err = 0; + + KDBG(2, ET61X251_MODULE_NAME " v" ET61X251_MODULE_VERSION); + KDBG(3, ET61X251_MODULE_AUTHOR); + + if ((err = usb_register(&et61x251_usb_driver))) + KDBG(1, "usb_register() failed"); + + return err; +} + + +static void __exit et61x251_module_exit(void) +{ + usb_deregister(&et61x251_usb_driver); +} + + +module_init(et61x251_module_init); +module_exit(et61x251_module_exit); diff --git a/drivers/usb/media/et61x251_sensor.h b/drivers/usb/media/et61x251_sensor.h new file mode 100644 index 000000000000..b9df91062fc0 --- /dev/null +++ b/drivers/usb/media/et61x251_sensor.h @@ -0,0 +1,115 @@ +/*************************************************************************** + * API for image sensors connected to ET61X[12]51 PC Camera Controllers * + * * + * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the Free Software * + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * + ***************************************************************************/ + +#ifndef _ET61X251_SENSOR_H_ +#define _ET61X251_SENSOR_H_ + +#include <linux/usb.h> +#include <linux/videodev.h> +#include <linux/device.h> +#include <linux/stddef.h> +#include <linux/errno.h> +#include <asm/types.h> + +struct et61x251_device; +struct et61x251_sensor; + +/*****************************************************************************/ + +extern int et61x251_probe_tas5130d1b(struct et61x251_device* cam); + +#define ET61X251_SENSOR_TABLE \ +/* Weak detections must go at the end of the list */ \ +static int (*et61x251_sensor_table[])(struct et61x251_device*) = { \ + &et61x251_probe_tas5130d1b, \ + NULL, \ +}; + +extern void +et61x251_attach_sensor(struct et61x251_device* cam, + struct et61x251_sensor* sensor); + +/*****************************************************************************/ + +extern int et61x251_write_reg(struct et61x251_device*, u8 value, u16 index); +extern int et61x251_read_reg(struct et61x251_device*, u16 index); +extern int et61x251_i2c_write(struct et61x251_device*, u8 address, u8 value); +extern int et61x251_i2c_read(struct et61x251_device*, u8 address); +extern int et61x251_i2c_try_write(struct et61x251_device*, + struct et61x251_sensor*, u8 address, + u8 value); +extern int et61x251_i2c_try_read(struct et61x251_device*, + struct et61x251_sensor*, u8 address); +extern int et61x251_i2c_raw_write(struct et61x251_device*, u8 n, u8 data1, + u8 data2, u8 data3, u8 data4, u8 data5, + u8 data6, u8 data7, u8 data8, u8 address); + +/*****************************************************************************/ + +enum et61x251_i2c_sysfs_ops { + ET61X251_I2C_READ = 0x01, + ET61X251_I2C_WRITE = 0x02, +}; + +enum et61x251_i2c_interface { + ET61X251_I2C_2WIRES, + ET61X251_I2C_3WIRES, +}; + +/* Repeat start condition when RSTA is high */ +enum et61x251_i2c_rsta { + ET61X251_I2C_RSTA_STOP = 0x00, /* stop then start */ + ET61X251_I2C_RSTA_REPEAT = 0x01, /* repeat start */ +}; + +#define ET61X251_MAX_CTRLS V4L2_CID_LASTP1-V4L2_CID_BASE+10 + +struct et61x251_sensor { + char name[32]; + + enum et61x251_i2c_sysfs_ops sysfs_ops; + + enum et61x251_i2c_interface interface; + u8 i2c_slave_id; + enum et61x251_i2c_rsta rsta; + struct v4l2_rect active_pixel; /* left and top define FVSX and FVSY */ + + struct v4l2_queryctrl qctrl[ET61X251_MAX_CTRLS]; + struct v4l2_cropcap cropcap; + struct v4l2_pix_format pix_format; + + int (*init)(struct et61x251_device* cam); + int (*get_ctrl)(struct et61x251_device* cam, + struct v4l2_control* ctrl); + int (*set_ctrl)(struct et61x251_device* cam, + const struct v4l2_control* ctrl); + int (*set_crop)(struct et61x251_device* cam, + const struct v4l2_rect* rect); + int (*set_pix_format)(struct et61x251_device* cam, + const struct v4l2_pix_format* pix); + + const struct usb_device* usbdev; + + /* Private */ + struct v4l2_queryctrl _qctrl[ET61X251_MAX_CTRLS]; + struct v4l2_rect _rect; +}; + +#endif /* _ET61X251_SENSOR_H_ */ diff --git a/drivers/usb/media/et61x251_tas5130d1b.c b/drivers/usb/media/et61x251_tas5130d1b.c new file mode 100644 index 000000000000..65f1ae9cf2b3 --- /dev/null +++ b/drivers/usb/media/et61x251_tas5130d1b.c @@ -0,0 +1,137 @@ +/*************************************************************************** + * Plug-in for TAS5130D1B image sensor connected to the ET61X[12]51 * + * PC Camera Controllers * + * * + * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the Free Software * + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * + ***************************************************************************/ + +#include "et61x251_sensor.h" + + +static int tas5130d1b_init(struct et61x251_device* cam) +{ + int err = 0; + + err += et61x251_write_reg(cam, 0x14, 0x01); + err += et61x251_write_reg(cam, 0x1b, 0x02); + err += et61x251_write_reg(cam, 0x02, 0x12); + err += et61x251_write_reg(cam, 0x0e, 0x60); + err += et61x251_write_reg(cam, 0x80, 0x61); + err += et61x251_write_reg(cam, 0xf0, 0x62); + err += et61x251_write_reg(cam, 0x03, 0x63); + err += et61x251_write_reg(cam, 0x14, 0x64); + err += et61x251_write_reg(cam, 0xf4, 0x65); + err += et61x251_write_reg(cam, 0x01, 0x66); + err += et61x251_write_reg(cam, 0x05, 0x67); + err += et61x251_write_reg(cam, 0x8f, 0x68); + err += et61x251_write_reg(cam, 0x0f, 0x8d); + err += et61x251_write_reg(cam, 0x08, 0x8e); + + return err; +} + + +static int tas5130d1b_set_ctrl(struct et61x251_device* cam, + const struct v4l2_control* ctrl) +{ + int err = 0; + + switch (ctrl->id) { + case V4L2_CID_GAIN: + err += et61x251_i2c_raw_write(cam, 2, 0x20, + 0xf6-ctrl->value, 0, 0, 0, + 0, 0, 0, 0); + break; + case V4L2_CID_EXPOSURE: + err += et61x251_i2c_raw_write(cam, 2, 0x40, + 0x47-ctrl->value, 0, 0, 0, + 0, 0, 0, 0); + break; + default: + return -EINVAL; + } + + return err ? -EIO : 0; +} + + +static struct et61x251_sensor tas5130d1b = { + .name = "TAS5130D1B", + .interface = ET61X251_I2C_3WIRES, + .rsta = ET61X251_I2C_RSTA_STOP, + .active_pixel = { + .left = 106, + .top = 13, + }, + .init = &tas5130d1b_init, + .qctrl = { + { + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "global gain", + .minimum = 0x00, + .maximum = 0xf6, + .step = 0x02, + .default_value = 0x0d, + .flags = 0, + }, + { + .id = V4L2_CID_EXPOSURE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "exposure", + .minimum = 0x00, + .maximum = 0x47, + .step = 0x01, + .default_value = 0x23, + .flags = 0, + }, + }, + .set_ctrl = &tas5130d1b_set_ctrl, + .cropcap = { + .bounds = { + .left = 0, + .top = 0, + .width = 640, + .height = 480, + }, + .defrect = { + .left = 0, + .top = 0, + .width = 640, + .height = 480, + }, + }, + .pix_format = { + .width = 640, + .height = 480, + .pixelformat = V4L2_PIX_FMT_SBGGR8, + .priv = 8, + }, +}; + + +int et61x251_probe_tas5130d1b(struct et61x251_device* cam) +{ + /* This sensor has no identifiers, so let's attach it anyway */ + et61x251_attach_sensor(cam, &tas5130d1b); + + /* Sensor detection is based on USB pid/vid */ + if (le16_to_cpu(tas5130d1b.usbdev->descriptor.idProduct) != 0x6251) + return -ENODEV; + + return 0; +} diff --git a/drivers/usb/media/ov511.c b/drivers/usb/media/ov511.c index 8af665bbe330..51e9cc06f7e3 100644 --- a/drivers/usb/media/ov511.c +++ b/drivers/usb/media/ov511.c @@ -204,22 +204,10 @@ MODULE_LICENSE("GPL"); static struct usb_driver ov511_driver; -static struct ov51x_decomp_ops *ov511_decomp_ops; -static struct ov51x_decomp_ops *ov511_mmx_decomp_ops; -static struct ov51x_decomp_ops *ov518_decomp_ops; -static struct ov51x_decomp_ops *ov518_mmx_decomp_ops; - /* Number of times to retry a failed I2C transaction. Increase this if you * are getting "Failed to read sensor ID..." */ static const int i2c_detect_tries = 5; -/* MMX support is present in kernel and CPU. Checked upon decomp module load. */ -#if defined(__i386__) || defined(__x86_64__) -#define ov51x_mmx_available (cpu_has_mmx) -#else -#define ov51x_mmx_available (0) -#endif - static struct usb_device_id device_table [] = { { USB_DEVICE(VEND_OMNIVISION, PROD_OV511) }, { USB_DEVICE(VEND_OMNIVISION, PROD_OV511PLUS) }, @@ -3012,93 +3000,18 @@ yuv420raw_to_yuv420p(struct ov511_frame *frame, * **********************************************************************/ -/* Chooses a decompression module, locks it, and sets ov->decomp_ops - * accordingly. Returns -ENXIO if decompressor is not available, otherwise - * returns 0 if no other error. - */ static int request_decompressor(struct usb_ov511 *ov) { - if (!ov) - return -ENODEV; - - if (ov->decomp_ops) { - err("ERROR: Decompressor already requested!"); - return -EINVAL; - } - - lock_kernel(); - - /* Try to get MMX, and fall back on no-MMX if necessary */ - if (ov->bclass == BCL_OV511) { - if (ov511_mmx_decomp_ops) { - PDEBUG(3, "Using OV511 MMX decompressor"); - ov->decomp_ops = ov511_mmx_decomp_ops; - } else if (ov511_decomp_ops) { - PDEBUG(3, "Using OV511 decompressor"); - ov->decomp_ops = ov511_decomp_ops; - } else { - err("No decompressor available"); - } - } else if (ov->bclass == BCL_OV518) { - if (ov518_mmx_decomp_ops) { - PDEBUG(3, "Using OV518 MMX decompressor"); - ov->decomp_ops = ov518_mmx_decomp_ops; - } else if (ov518_decomp_ops) { - PDEBUG(3, "Using OV518 decompressor"); - ov->decomp_ops = ov518_decomp_ops; - } else { - err("No decompressor available"); - } + if (ov->bclass == BCL_OV511 || ov->bclass == BCL_OV518) { + err("No decompressor available"); } else { err("Unknown bridge"); } - if (!ov->decomp_ops) - goto nosys; - - if (!ov->decomp_ops->owner) { - ov->decomp_ops = NULL; - goto nosys; - } - - if (!try_module_get(ov->decomp_ops->owner)) - goto nosys; - - unlock_kernel(); - return 0; - - nosys: - unlock_kernel(); return -ENOSYS; } -/* Unlocks decompression module and nulls ov->decomp_ops. Safe to call even - * if ov->decomp_ops is NULL. - */ -static void -release_decompressor(struct usb_ov511 *ov) -{ - int released = 0; /* Did we actually do anything? */ - - if (!ov) - return; - - lock_kernel(); - - if (ov->decomp_ops) { - module_put(ov->decomp_ops->owner); - released = 1; - } - - ov->decomp_ops = NULL; - - unlock_kernel(); - - if (released) - PDEBUG(3, "Decompressor released"); -} - static void decompress(struct usb_ov511 *ov, struct ov511_frame *frame, unsigned char *pIn0, unsigned char *pOut0) @@ -3107,31 +3020,6 @@ decompress(struct usb_ov511 *ov, struct ov511_frame *frame, if (request_decompressor(ov)) return; - PDEBUG(4, "Decompressing %d bytes", frame->bytes_recvd); - - if (frame->format == VIDEO_PALETTE_GREY - && ov->decomp_ops->decomp_400) { - int ret = ov->decomp_ops->decomp_400( - pIn0, - pOut0, - frame->compbuf, - frame->rawwidth, - frame->rawheight, - frame->bytes_recvd); - PDEBUG(4, "DEBUG: decomp_400 returned %d", ret); - } else if (frame->format != VIDEO_PALETTE_GREY - && ov->decomp_ops->decomp_420) { - int ret = ov->decomp_ops->decomp_420( - pIn0, - pOut0, - frame->compbuf, - frame->rawwidth, - frame->rawheight, - frame->bytes_recvd); - PDEBUG(4, "DEBUG: decomp_420 returned %d", ret); - } else { - err("Decompressor does not support this format"); - } } /********************************************************************** @@ -4087,8 +3975,6 @@ ov51x_v4l1_close(struct inode *inode, struct file *file) ov->user--; ov51x_stop_isoc(ov); - release_decompressor(ov); - if (ov->led_policy == LED_AUTO) ov51x_led_control(ov, 0); @@ -6021,82 +5907,6 @@ static struct usb_driver ov511_driver = { * ***************************************************************************/ -/* Returns 0 for success */ -int -ov511_register_decomp_module(int ver, struct ov51x_decomp_ops *ops, int ov518, - int mmx) -{ - if (ver != DECOMP_INTERFACE_VER) { - err("Decompression module has incompatible"); - err("interface version %d", ver); - err("Interface version %d is required", DECOMP_INTERFACE_VER); - return -EINVAL; - } - - if (!ops) - return -EFAULT; - - if (mmx && !ov51x_mmx_available) { - err("MMX not available on this system or kernel"); - return -EINVAL; - } - - lock_kernel(); - - if (ov518) { - if (mmx) { - if (ov518_mmx_decomp_ops) - goto err_in_use; - else - ov518_mmx_decomp_ops = ops; - } else { - if (ov518_decomp_ops) - goto err_in_use; - else - ov518_decomp_ops = ops; - } - } else { - if (mmx) { - if (ov511_mmx_decomp_ops) - goto err_in_use; - else - ov511_mmx_decomp_ops = ops; - } else { - if (ov511_decomp_ops) - goto err_in_use; - else - ov511_decomp_ops = ops; - } - } - - unlock_kernel(); - return 0; - -err_in_use: - unlock_kernel(); - return -EBUSY; -} - -void -ov511_deregister_decomp_module(int ov518, int mmx) -{ - lock_kernel(); - - if (ov518) { - if (mmx) - ov518_mmx_decomp_ops = NULL; - else - ov518_decomp_ops = NULL; - } else { - if (mmx) - ov511_mmx_decomp_ops = NULL; - else - ov511_decomp_ops = NULL; - } - - unlock_kernel(); -} - static int __init usb_ov511_init(void) { @@ -6123,5 +5933,3 @@ usb_ov511_exit(void) module_init(usb_ov511_init); module_exit(usb_ov511_exit); -EXPORT_SYMBOL(ov511_register_decomp_module); -EXPORT_SYMBOL(ov511_deregister_decomp_module); diff --git a/drivers/usb/media/pwc/pwc-ctrl.c b/drivers/usb/media/pwc/pwc-ctrl.c index 359c4b2df735..3ebb6e9cdf92 100644 --- a/drivers/usb/media/pwc/pwc-ctrl.c +++ b/drivers/usb/media/pwc/pwc-ctrl.c @@ -1152,45 +1152,6 @@ int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor) /* End of Add-Ons */ /* ************************************************* */ -/* Linux 2.5.something and 2.6 pass direct pointers to arguments of - ioctl() calls. With 2.4, you have to do tedious copy_from_user() - and copy_to_user() calls. With these macros we circumvent this, - and let me maintain only one source file. The functionality is - exactly the same otherwise. - */ - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) - -/* define local variable for arg */ -#define ARG_DEF(ARG_type, ARG_name)\ - ARG_type *ARG_name = arg; -/* copy arg to local variable */ -#define ARG_IN(ARG_name) /* nothing */ -/* argument itself (referenced) */ -#define ARGR(ARG_name) (*ARG_name) -/* argument address */ -#define ARGA(ARG_name) ARG_name -/* copy local variable to arg */ -#define ARG_OUT(ARG_name) /* nothing */ - -#else - -#define ARG_DEF(ARG_type, ARG_name)\ - ARG_type ARG_name; -#define ARG_IN(ARG_name)\ - if (copy_from_user(&ARG_name, arg, sizeof(ARG_name))) {\ - ret = -EFAULT;\ - break;\ - } -#define ARGR(ARG_name) ARG_name -#define ARGA(ARG_name) &ARG_name -#define ARG_OUT(ARG_name)\ - if (copy_to_user(arg, &ARG_name, sizeof(ARG_name))) {\ - ret = -EFAULT;\ - break;\ - } - -#endif int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) { @@ -1220,243 +1181,206 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) case VIDIOCPWCSCQUAL: { - ARG_DEF(int, qual) + int *qual = arg; - ARG_IN(qual) - if (ARGR(qual) < 0 || ARGR(qual) > 3) + if (*qual < 0 || *qual > 3) ret = -EINVAL; else - ret = pwc_try_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, ARGR(qual), pdev->vsnapshot); + ret = pwc_try_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, *qual, pdev->vsnapshot); if (ret >= 0) - pdev->vcompression = ARGR(qual); + pdev->vcompression = *qual; break; } case VIDIOCPWCGCQUAL: { - ARG_DEF(int, qual) - - ARGR(qual) = pdev->vcompression; - ARG_OUT(qual) + int *qual = arg; + *qual = pdev->vcompression; break; } case VIDIOCPWCPROBE: { - ARG_DEF(struct pwc_probe, probe) - - strcpy(ARGR(probe).name, pdev->vdev->name); - ARGR(probe).type = pdev->type; - ARG_OUT(probe) + struct pwc_probe *probe = arg; + strcpy(probe->name, pdev->vdev->name); + probe->type = pdev->type; break; } case VIDIOCPWCGSERIAL: { - ARG_DEF(struct pwc_serial, serial) - - strcpy(ARGR(serial).serial, pdev->serial); - ARG_OUT(serial) + struct pwc_serial *serial = arg; + strcpy(serial->serial, pdev->serial); break; } case VIDIOCPWCSAGC: { - ARG_DEF(int, agc) - - ARG_IN(agc) - if (pwc_set_agc(pdev, ARGR(agc) < 0 ? 1 : 0, ARGR(agc))) + int *agc = arg; + if (pwc_set_agc(pdev, *agc < 0 ? 1 : 0, *agc)) ret = -EINVAL; break; } case VIDIOCPWCGAGC: { - ARG_DEF(int, agc) + int *agc = arg; - if (pwc_get_agc(pdev, ARGA(agc))) + if (pwc_get_agc(pdev, agc)) ret = -EINVAL; - ARG_OUT(agc) break; } case VIDIOCPWCSSHUTTER: { - ARG_DEF(int, shutter_speed) - - ARG_IN(shutter_speed) - ret = pwc_set_shutter_speed(pdev, ARGR(shutter_speed) < 0 ? 1 : 0, ARGR(shutter_speed)); + int *shutter_speed = arg; + ret = pwc_set_shutter_speed(pdev, *shutter_speed < 0 ? 1 : 0, *shutter_speed); break; } case VIDIOCPWCSAWB: { - ARG_DEF(struct pwc_whitebalance, wb) + struct pwc_whitebalance *wb = arg; - ARG_IN(wb) - ret = pwc_set_awb(pdev, ARGR(wb).mode); - if (ret >= 0 && ARGR(wb).mode == PWC_WB_MANUAL) { - pwc_set_red_gain(pdev, ARGR(wb).manual_red); - pwc_set_blue_gain(pdev, ARGR(wb).manual_blue); + ret = pwc_set_awb(pdev, wb->mode); + if (ret >= 0 && wb->mode == PWC_WB_MANUAL) { + pwc_set_red_gain(pdev, wb->manual_red); + pwc_set_blue_gain(pdev, wb->manual_blue); } break; } case VIDIOCPWCGAWB: { - ARG_DEF(struct pwc_whitebalance, wb) + struct pwc_whitebalance *wb = arg; - memset(ARGA(wb), 0, sizeof(struct pwc_whitebalance)); - ARGR(wb).mode = pwc_get_awb(pdev); - if (ARGR(wb).mode < 0) + memset(wb, 0, sizeof(struct pwc_whitebalance)); + wb->mode = pwc_get_awb(pdev); + if (wb->mode < 0) ret = -EINVAL; else { - if (ARGR(wb).mode == PWC_WB_MANUAL) { - ret = pwc_get_red_gain(pdev, &ARGR(wb).manual_red); + if (wb->mode == PWC_WB_MANUAL) { + ret = pwc_get_red_gain(pdev, &wb->manual_red); if (ret < 0) break; - ret = pwc_get_blue_gain(pdev, &ARGR(wb).manual_blue); + ret = pwc_get_blue_gain(pdev, &wb->manual_blue); if (ret < 0) break; } - if (ARGR(wb).mode == PWC_WB_AUTO) { - ret = pwc_read_red_gain(pdev, &ARGR(wb).read_red); + if (wb->mode == PWC_WB_AUTO) { + ret = pwc_read_red_gain(pdev, &wb->read_red); if (ret < 0) break; - ret =pwc_read_blue_gain(pdev, &ARGR(wb).read_blue); + ret = pwc_read_blue_gain(pdev, &wb->read_blue); if (ret < 0) break; } } - ARG_OUT(wb) break; } case VIDIOCPWCSAWBSPEED: { - ARG_DEF(struct pwc_wb_speed, wbs) + struct pwc_wb_speed *wbs = arg; - if (ARGR(wbs).control_speed > 0) { - ret = pwc_set_wb_speed(pdev, ARGR(wbs).control_speed); + if (wbs->control_speed > 0) { + ret = pwc_set_wb_speed(pdev, wbs->control_speed); } - if (ARGR(wbs).control_delay > 0) { - ret = pwc_set_wb_delay(pdev, ARGR(wbs).control_delay); + if (wbs->control_delay > 0) { + ret = pwc_set_wb_delay(pdev, wbs->control_delay); } break; } case VIDIOCPWCGAWBSPEED: { - ARG_DEF(struct pwc_wb_speed, wbs) + struct pwc_wb_speed *wbs = arg; - ret = pwc_get_wb_speed(pdev, &ARGR(wbs).control_speed); + ret = pwc_get_wb_speed(pdev, &wbs->control_speed); if (ret < 0) break; - ret = pwc_get_wb_delay(pdev, &ARGR(wbs).control_delay); + ret = pwc_get_wb_delay(pdev, &wbs->control_delay); if (ret < 0) break; - ARG_OUT(wbs) break; } case VIDIOCPWCSLED: { - ARG_DEF(struct pwc_leds, leds) - - ARG_IN(leds) - ret = pwc_set_leds(pdev, ARGR(leds).led_on, ARGR(leds).led_off); + struct pwc_leds *leds = arg; + ret = pwc_set_leds(pdev, leds->led_on, leds->led_off); break; } case VIDIOCPWCGLED: { - ARG_DEF(struct pwc_leds, leds) - - ret = pwc_get_leds(pdev, &ARGR(leds).led_on, &ARGR(leds).led_off); - ARG_OUT(leds) + struct pwc_leds *leds = arg; + ret = pwc_get_leds(pdev, &leds->led_on, &leds->led_off); break; } case VIDIOCPWCSCONTOUR: { - ARG_DEF(int, contour) - - ARG_IN(contour) - ret = pwc_set_contour(pdev, ARGR(contour)); + int *contour = arg; + ret = pwc_set_contour(pdev, *contour); break; } case VIDIOCPWCGCONTOUR: { - ARG_DEF(int, contour) - - ret = pwc_get_contour(pdev, ARGA(contour)); - ARG_OUT(contour) + int *contour = arg; + ret = pwc_get_contour(pdev, contour); break; } case VIDIOCPWCSBACKLIGHT: { - ARG_DEF(int, backlight) - - ARG_IN(backlight) - ret = pwc_set_backlight(pdev, ARGR(backlight)); + int *backlight = arg; + ret = pwc_set_backlight(pdev, *backlight); break; } case VIDIOCPWCGBACKLIGHT: { - ARG_DEF(int, backlight) - - ret = pwc_get_backlight(pdev, ARGA(backlight)); - ARG_OUT(backlight) + int *backlight = arg; + ret = pwc_get_backlight(pdev, backlight); break; } case VIDIOCPWCSFLICKER: { - ARG_DEF(int, flicker) - - ARG_IN(flicker) - ret = pwc_set_flicker(pdev, ARGR(flicker)); + int *flicker = arg; + ret = pwc_set_flicker(pdev, *flicker); break; } case VIDIOCPWCGFLICKER: { - ARG_DEF(int, flicker) - - ret = pwc_get_flicker(pdev, ARGA(flicker)); - ARG_OUT(flicker) + int *flicker = arg; + ret = pwc_get_flicker(pdev, flicker); break; } case VIDIOCPWCSDYNNOISE: { - ARG_DEF(int, dynnoise) - - ARG_IN(dynnoise) - ret = pwc_set_dynamic_noise(pdev, ARGR(dynnoise)); + int *dynnoise = arg; + ret = pwc_set_dynamic_noise(pdev, *dynnoise); break; } case VIDIOCPWCGDYNNOISE: { - ARG_DEF(int, dynnoise) - - ret = pwc_get_dynamic_noise(pdev, ARGA(dynnoise)); - ARG_OUT(dynnoise); + int *dynnoise = arg; + ret = pwc_get_dynamic_noise(pdev, dynnoise); break; } case VIDIOCPWCGREALSIZE: { - ARG_DEF(struct pwc_imagesize, size) - - ARGR(size).width = pdev->image.x; - ARGR(size).height = pdev->image.y; - ARG_OUT(size) + struct pwc_imagesize *size = arg; + size->width = pdev->image.x; + size->height = pdev->image.y; break; } @@ -1464,10 +1388,9 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) { if (pdev->features & FEATURE_MOTOR_PANTILT) { - ARG_DEF(int, flags) + int *flags = arg; - ARG_IN(flags) - ret = pwc_mpt_reset(pdev, ARGR(flags)); + ret = pwc_mpt_reset(pdev, *flags); if (ret >= 0) { pdev->pan_angle = 0; @@ -1485,10 +1408,8 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) { if (pdev->features & FEATURE_MOTOR_PANTILT) { - ARG_DEF(struct pwc_mpt_range, range) - - ARGR(range) = pdev->angle_range; - ARG_OUT(range) + struct pwc_mpt_range *range = arg; + *range = pdev->angle_range; } else { @@ -1503,21 +1424,19 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) if (pdev->features & FEATURE_MOTOR_PANTILT) { - ARG_DEF(struct pwc_mpt_angles, angles) - - ARG_IN(angles) + struct pwc_mpt_angles *angles = arg; /* The camera can only set relative angles, so do some calculations when getting an absolute angle . */ - if (ARGR(angles).absolute) + if (angles->absolute) { - new_pan = ARGR(angles).pan; - new_tilt = ARGR(angles).tilt; + new_pan = angles->pan; + new_tilt = angles->tilt; } else { - new_pan = pdev->pan_angle + ARGR(angles).pan; - new_tilt = pdev->tilt_angle + ARGR(angles).tilt; + new_pan = pdev->pan_angle + angles->pan; + new_tilt = pdev->tilt_angle + angles->tilt; } /* check absolute ranges */ if (new_pan < pdev->angle_range.pan_min || @@ -1560,12 +1479,11 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) if (pdev->features & FEATURE_MOTOR_PANTILT) { - ARG_DEF(struct pwc_mpt_angles, angles) + struct pwc_mpt_angles *angles = arg; - ARGR(angles).absolute = 1; - ARGR(angles).pan = pdev->pan_angle; - ARGR(angles).tilt = pdev->tilt_angle; - ARG_OUT(angles) + angles->absolute = 1; + angles->pan = pdev->pan_angle; + angles->tilt = pdev->tilt_angle; } else { @@ -1578,10 +1496,8 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) { if (pdev->features & FEATURE_MOTOR_PANTILT) { - ARG_DEF(struct pwc_mpt_status, status) - - ret = pwc_mpt_get_status(pdev, ARGA(status)); - ARG_OUT(status) + struct pwc_mpt_status *status = arg; + ret = pwc_mpt_get_status(pdev, status); } else { @@ -1592,24 +1508,22 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg) case VIDIOCPWCGVIDCMD: { - ARG_DEF(struct pwc_video_command, cmd); + struct pwc_video_command *cmd = arg; - ARGR(cmd).type = pdev->type; - ARGR(cmd).release = pdev->release; - ARGR(cmd).command_len = pdev->cmd_len; - memcpy(&ARGR(cmd).command_buf, pdev->cmd_buf, pdev->cmd_len); - ARGR(cmd).bandlength = pdev->vbandlength; - ARGR(cmd).frame_size = pdev->frame_size; - ARG_OUT(cmd) + cmd->type = pdev->type; + cmd->release = pdev->release; + cmd->command_len = pdev->cmd_len; + memcpy(&cmd->command_buf, pdev->cmd_buf, pdev->cmd_len); + cmd->bandlength = pdev->vbandlength; + cmd->frame_size = pdev->frame_size; break; } /* case VIDIOCPWCGVIDTABLE: { - ARG_DEF(struct pwc_table_init_buffer, table); - ARGR(table).len = pdev->cmd_len; - memcpy(&ARGR(table).buffer, pdev->decompress_data, pdev->decompressor->table_size); - ARG_OUT(table) + struct pwc_table_init_buffer *table = arg; + table->len = pdev->cmd_len; + memcpy(&table->buffer, pdev->decompress_data, pdev->decompressor->table_size); break; } */ diff --git a/drivers/usb/media/sn9c102.h b/drivers/usb/media/sn9c102.h index e5cea0e2eb57..17d60c1eea7e 100644 --- a/drivers/usb/media/sn9c102.h +++ b/drivers/usb/media/sn9c102.h @@ -1,7 +1,7 @@ /*************************************************************************** * V4L2 driver for SN9C10x PC Camera Controllers * * * - * Copyright (C) 2004-2005 by Luca Risolia <luca.risolia@studio.unibo.it> * + * Copyright (C) 2004-2006 by Luca Risolia <luca.risolia@studio.unibo.it> * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * @@ -23,7 +23,8 @@ #include <linux/version.h> #include <linux/usb.h> -#include <linux/videodev.h> +#include <linux/videodev2.h> +#include <media/v4l2-common.h> #include <linux/device.h> #include <linux/list.h> #include <linux/spinlock.h> @@ -52,13 +53,6 @@ /*****************************************************************************/ -#define SN9C102_MODULE_NAME "V4L2 driver for SN9C10x PC Camera Controllers" -#define SN9C102_MODULE_AUTHOR "(C) 2004-2005 Luca Risolia" -#define SN9C102_AUTHOR_EMAIL "<luca.risolia@studio.unibo.it>" -#define SN9C102_MODULE_LICENSE "GPL" -#define SN9C102_MODULE_VERSION "1:1.24a" -#define SN9C102_MODULE_VERSION_CODE KERNEL_VERSION(1, 0, 24) - enum sn9c102_bridge { BRIDGE_SN9C101 = 0x01, BRIDGE_SN9C102 = 0x02, @@ -102,12 +96,13 @@ enum sn9c102_stream_state { STREAM_ON, }; +typedef char sn9c103_sof_header_t[18]; typedef char sn9c102_sof_header_t[12]; typedef char sn9c102_eof_header_t[4]; struct sn9c102_sysfs_attr { u8 reg, i2c_reg; - sn9c102_sof_header_t frame_header; + sn9c103_sof_header_t frame_header; }; struct sn9c102_module_param { @@ -118,8 +113,6 @@ static DECLARE_MUTEX(sn9c102_sysfs_lock); static DECLARE_RWSEM(sn9c102_disconnect); struct sn9c102_device { - struct device dev; - struct video_device* v4ldev; enum sn9c102_bridge bridge; @@ -140,8 +133,8 @@ struct sn9c102_device { struct v4l2_jpegcompression compression; struct sn9c102_sysfs_attr sysfs; - sn9c102_sof_header_t sof_header; - u16 reg[32]; + sn9c103_sof_header_t sof_header; + u16 reg[63]; struct sn9c102_module_param module_param; @@ -160,7 +153,6 @@ sn9c102_attach_sensor(struct sn9c102_device* cam, struct sn9c102_sensor* sensor) { cam->sensor = sensor; - cam->sensor->dev = &cam->dev; cam->sensor->usbdev = cam->usbdev; } @@ -170,19 +162,24 @@ sn9c102_attach_sensor(struct sn9c102_device* cam, #undef KDBG #ifdef SN9C102_DEBUG # define DBG(level, fmt, args...) \ -{ \ +do { \ if (debug >= (level)) { \ if ((level) == 1) \ - dev_err(&cam->dev, fmt "\n", ## args); \ + dev_err(&cam->usbdev->dev, fmt "\n", ## args); \ else if ((level) == 2) \ - dev_info(&cam->dev, fmt "\n", ## args); \ + dev_info(&cam->usbdev->dev, fmt "\n", ## args); \ else if ((level) >= 3) \ - dev_info(&cam->dev, "[%s:%d] " fmt "\n", \ + dev_info(&cam->usbdev->dev, "[%s:%d] " fmt "\n", \ __FUNCTION__, __LINE__ , ## args); \ } \ -} +} while (0) +# define V4LDBG(level, name, cmd) \ +do { \ + if (debug >= (level)) \ + v4l_print_ioctl(name, cmd); \ +} while (0) # define KDBG(level, fmt, args...) \ -{ \ +do { \ if (debug >= (level)) { \ if ((level) == 1 || (level) == 2) \ pr_info("sn9c102: " fmt "\n", ## args); \ @@ -190,17 +187,18 @@ sn9c102_attach_sensor(struct sn9c102_device* cam, pr_debug("sn9c102: [%s:%d] " fmt "\n", __FUNCTION__, \ __LINE__ , ## args); \ } \ -} +} while (0) #else -# define KDBG(level, fmt, args...) do {;} while(0); -# define DBG(level, fmt, args...) do {;} while(0); +# define DBG(level, fmt, args...) do {;} while(0) +# define V4LDBG(level, name, cmd) do {;} while(0) +# define KDBG(level, fmt, args...) do {;} while(0) #endif #undef PDBG #define PDBG(fmt, args...) \ -dev_info(&cam->dev, "[%s:%d] " fmt "\n", __FUNCTION__, __LINE__ , ## args); +dev_info(&cam->dev, "[%s:%d] " fmt "\n", __FUNCTION__, __LINE__ , ## args) #undef PDBGG -#define PDBGG(fmt, args...) do {;} while(0); /* placeholder */ +#define PDBGG(fmt, args...) do {;} while(0) /* placeholder */ #endif /* _SN9C102_H_ */ diff --git a/drivers/usb/media/sn9c102_core.c b/drivers/usb/media/sn9c102_core.c index 8d1a1c357d5a..c81397e4714b 100644 --- a/drivers/usb/media/sn9c102_core.c +++ b/drivers/usb/media/sn9c102_core.c @@ -1,7 +1,7 @@ /*************************************************************************** * V4L2 driver for SN9C10x PC Camera Controllers * * * - * Copyright (C) 2004-2005 by Luca Risolia <luca.risolia@studio.unibo.it> * + * Copyright (C) 2004-2006 by Luca Risolia <luca.risolia@studio.unibo.it> * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * @@ -45,6 +45,15 @@ /*****************************************************************************/ +#define SN9C102_MODULE_NAME "V4L2 driver for SN9C10x PC Camera Controllers" +#define SN9C102_MODULE_AUTHOR "(C) 2004-2006 Luca Risolia" +#define SN9C102_AUTHOR_EMAIL "<luca.risolia@studio.unibo.it>" +#define SN9C102_MODULE_LICENSE "GPL" +#define SN9C102_MODULE_VERSION "1:1.26" +#define SN9C102_MODULE_VERSION_CODE KERNEL_VERSION(1, 0, 26) + +/*****************************************************************************/ + MODULE_DEVICE_TABLE(usb, sn9c102_id_table); MODULE_AUTHOR(SN9C102_MODULE_AUTHOR " " SN9C102_AUTHOR_EMAIL); @@ -70,10 +79,10 @@ static short force_munmap[] = {[0 ... SN9C102_MAX_DEVICES-1] = SN9C102_FORCE_MUNMAP}; module_param_array(force_munmap, bool, NULL, 0444); MODULE_PARM_DESC(force_munmap, - "\n<0|1[,...]> Force the application to unmap previously " - "\nmapped buffer memory before calling any VIDIOC_S_CROP or " - "\nVIDIOC_S_FMT ioctl's. Not all the applications support " - "\nthis feature. This parameter is specific for each " + "\n<0|1[,...]> Force the application to unmap previously" + "\nmapped buffer memory before calling any VIDIOC_S_CROP or" + "\nVIDIOC_S_FMT ioctl's. Not all the applications support" + "\nthis feature. This parameter is specific for each" "\ndetected camera." "\n 0 = do not force memory unmapping" "\n 1 = force memory unmapping (save memory)" @@ -102,6 +111,9 @@ static sn9c102_sof_header_t sn9c102_sof_header[] = { {0xff, 0xff, 0x00, 0xc4, 0xc4, 0x96, 0x01}, }; +static sn9c103_sof_header_t sn9c103_sof_header[] = { + {0xff, 0xff, 0x00, 0xc4, 0xc4, 0x96, 0x20}, +}; static sn9c102_eof_header_t sn9c102_eof_header[] = { {0x00, 0x00, 0x00, 0x00}, @@ -112,50 +124,6 @@ static sn9c102_eof_header_t sn9c102_eof_header[] = { /*****************************************************************************/ -static void* rvmalloc(size_t size) -{ - void* mem; - unsigned long adr; - - size = PAGE_ALIGN(size); - - mem = vmalloc_32((unsigned long)size); - if (!mem) - return NULL; - - memset(mem, 0, size); - - adr = (unsigned long)mem; - while (size > 0) { - SetPageReserved(vmalloc_to_page((void *)adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - - return mem; -} - - -static void rvfree(void* mem, size_t size) -{ - unsigned long adr; - - if (!mem) - return; - - size = PAGE_ALIGN(size); - - adr = (unsigned long)mem; - while (size > 0) { - ClearPageReserved(vmalloc_to_page((void *)adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; - } - - vfree(mem); -} - - static u32 sn9c102_request_buffers(struct sn9c102_device* cam, u32 count, enum sn9c102_io_method io) @@ -174,7 +142,7 @@ sn9c102_request_buffers(struct sn9c102_device* cam, u32 count, cam->nbuffers = count; while (cam->nbuffers > 0) { - if ((buff = rvmalloc(cam->nbuffers * PAGE_ALIGN(imagesize)))) + if ((buff = vmalloc_32(cam->nbuffers * PAGE_ALIGN(imagesize)))) break; cam->nbuffers--; } @@ -198,10 +166,10 @@ sn9c102_request_buffers(struct sn9c102_device* cam, u32 count, static void sn9c102_release_buffers(struct sn9c102_device* cam) { if (cam->nbuffers) { - rvfree(cam->frame[0].bufmem, - cam->nbuffers * PAGE_ALIGN(cam->frame[0].buf.length)); + vfree(cam->frame[0].bufmem); cam->nbuffers = 0; } + cam->frame_current = NULL; } @@ -219,6 +187,19 @@ static void sn9c102_empty_framequeues(struct sn9c102_device* cam) } +static void sn9c102_requeue_outqueue(struct sn9c102_device* cam) +{ + struct sn9c102_frame_t *i; + + list_for_each_entry(i, &cam->outqueue, frame) { + i->state = F_QUEUED; + list_add(&i->frame, &cam->inqueue); + } + + INIT_LIST_HEAD(&cam->outqueue); +} + + static void sn9c102_queue_unusedframes(struct sn9c102_device* cam) { unsigned long lock_flags; @@ -235,19 +216,46 @@ static void sn9c102_queue_unusedframes(struct sn9c102_device* cam) /*****************************************************************************/ +int sn9c102_write_regs(struct sn9c102_device* cam, u8* buff, u16 index) +{ + struct usb_device* udev = cam->usbdev; + int i, res; + + if (index + sizeof(buff) >= ARRAY_SIZE(cam->reg)) + return -1; + + res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x08, 0x41, + index, 0, buff, sizeof(buff), + SN9C102_CTRL_TIMEOUT*sizeof(buff)); + if (res < 0) { + DBG(3, "Failed to write registers (index 0x%02X, error %d)", + index, res); + return -1; + } + + for (i = 0; i < sizeof(buff); i++) + cam->reg[index+i] = buff[i]; + + return 0; +} + + int sn9c102_write_reg(struct sn9c102_device* cam, u8 value, u16 index) { struct usb_device* udev = cam->usbdev; u8* buff = cam->control_buffer; int res; + if (index >= ARRAY_SIZE(cam->reg)) + return -1; + *buff = value; res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x08, 0x41, index, 0, buff, 1, SN9C102_CTRL_TIMEOUT); if (res < 0) { DBG(3, "Failed to write a register (value 0x%02X, index " - "0x%02X, error %d)", value, index, res) + "0x%02X, error %d)", value, index, res); return -1; } @@ -268,7 +276,7 @@ static int sn9c102_read_reg(struct sn9c102_device* cam, u16 index) index, 0, buff, 1, SN9C102_CTRL_TIMEOUT); if (res < 0) DBG(3, "Failed to read a register (index 0x%02X, error %d)", - index, res) + index, res); return (res >= 0) ? (int)(*buff) : -1; } @@ -276,8 +284,8 @@ static int sn9c102_read_reg(struct sn9c102_device* cam, u16 index) int sn9c102_pread_reg(struct sn9c102_device* cam, u16 index) { - if (index > 0x1f) - return -EINVAL; + if (index >= ARRAY_SIZE(cam->reg)) + return -1; return cam->reg[index]; } @@ -367,10 +375,10 @@ sn9c102_i2c_try_raw_read(struct sn9c102_device* cam, err += sn9c102_i2c_detect_read_error(cam, sensor); PDBGG("I2C read: address 0x%02X, first read byte: 0x%02X", data1, - data[4]) + data[4]); if (err) { - DBG(3, "I2C read failed for %s image sensor", sensor->name) + DBG(3, "I2C read failed for %s image sensor", sensor->name); return -1; } @@ -410,11 +418,11 @@ sn9c102_i2c_try_raw_write(struct sn9c102_device* cam, err += sn9c102_i2c_detect_write_error(cam, sensor); if (err) - DBG(3, "I2C write failed for %s image sensor", sensor->name) + DBG(3, "I2C write failed for %s image sensor", sensor->name); PDBGG("I2C raw write: %u bytes, data0 = 0x%02X, data1 = 0x%02X, " "data2 = 0x%02X, data3 = 0x%02X, data4 = 0x%02X, data5 = 0x%02X", - n, data0, data1, data2, data3, data4, data5) + n, data0, data1, data2, data3, data4, data5); return err ? -1 : 0; } @@ -461,13 +469,27 @@ int sn9c102_i2c_write(struct sn9c102_device* cam, u8 address, u8 value) static void* sn9c102_find_sof_header(struct sn9c102_device* cam, void* mem, size_t len) { - size_t soflen = sizeof(sn9c102_sof_header_t), i; - u8 j, n = sizeof(sn9c102_sof_header) / soflen; + size_t soflen = 0, i; + u8 j, n = 0; - for (i = 0; (len >= soflen) && (i <= len - soflen); i++) + switch (cam->bridge) { + case BRIDGE_SN9C101: + case BRIDGE_SN9C102: + soflen = sizeof(sn9c102_sof_header_t); + n = sizeof(sn9c102_sof_header) / soflen; + break; + case BRIDGE_SN9C103: + soflen = sizeof(sn9c103_sof_header_t); + n = sizeof(sn9c103_sof_header) / soflen; + } + + for (i = 0; (len >= soflen) && (i <= len - soflen); i++) for (j = 0; j < n; j++) - /* It's enough to compare 7 bytes */ - if (!memcmp(mem + i, sn9c102_sof_header[j], 7)) { + /* The invariable part of the header is 6 bytes long */ + if ((cam->bridge != BRIDGE_SN9C103 && + !memcmp(mem + i, sn9c102_sof_header[j], 6)) || + (cam->bridge == BRIDGE_SN9C103 && + !memcmp(mem + i, sn9c103_sof_header[j], 6))) { memcpy(cam->sof_header, mem + i, soflen); /* Skip the header */ return mem + i + soflen; @@ -499,8 +521,7 @@ static void sn9c102_urb_complete(struct urb *urb, struct pt_regs* regs) { struct sn9c102_device* cam = urb->context; struct sn9c102_frame_t** f; - size_t imagesize; - unsigned long lock_flags; + size_t imagesize, soflen; u8 i; int err = 0; @@ -513,7 +534,7 @@ static void sn9c102_urb_complete(struct urb *urb, struct pt_regs* regs) cam->stream = STREAM_OFF; if ((*f)) (*f)->state = F_QUEUED; - DBG(3, "Stream interrupted") + DBG(3, "Stream interrupted"); wake_up_interruptible(&cam->wait_stream); } @@ -536,6 +557,10 @@ static void sn9c102_urb_complete(struct urb *urb, struct pt_regs* regs) cam->sensor->pix_format.height * cam->sensor->pix_format.priv) / 8; + soflen = (cam->bridge) == BRIDGE_SN9C103 ? + sizeof(sn9c103_sof_header_t) : + sizeof(sn9c102_sof_header_t); + for (i = 0; i < urb->number_of_packets; i++) { unsigned int img, len, status; void *pos, *sof, *eof; @@ -545,19 +570,12 @@ static void sn9c102_urb_complete(struct urb *urb, struct pt_regs* regs) pos = urb->iso_frame_desc[i].offset + urb->transfer_buffer; if (status) { - DBG(3, "Error in isochronous frame") + DBG(3, "Error in isochronous frame"); (*f)->state = F_ERROR; continue; } - PDBGG("Isochrnous frame: length %u, #%u i", len, i) - - /* - NOTE: It is probably correct to assume that SOF and EOF - headers do not occur between two consecutive packets, - but who knows..Whatever is the truth, this assumption - doesn't introduce bugs. - */ + PDBGG("Isochrnous frame: length %u, #%u i", len, i); redo: sof = sn9c102_find_sof_header(cam, pos, len); @@ -575,10 +593,10 @@ end_of_frame: imagesize; img = imagesize - (*f)->buf.bytesused; DBG(3, "Expected EOF not found: " - "video frame cut") + "video frame cut"); if (eof) DBG(3, "Exceeded limit: +%u " - "bytes", (unsigned)(b)) + "bytes", (unsigned)(b)); } memcpy((*f)->bufmem + (*f)->buf.bytesused, pos, @@ -595,8 +613,7 @@ end_of_frame: u32 b = (*f)->buf.bytesused; (*f)->state = F_DONE; (*f)->buf.sequence= ++cam->frame_count; - spin_lock_irqsave(&cam->queue_lock, - lock_flags); + spin_lock(&cam->queue_lock); list_move_tail(&(*f)->frame, &cam->outqueue); if (!list_empty(&cam->inqueue)) @@ -606,13 +623,11 @@ end_of_frame: frame ); else (*f) = NULL; - spin_unlock_irqrestore(&cam->queue_lock - , lock_flags); + spin_unlock(&cam->queue_lock); memcpy(cam->sysfs.frame_header, - cam->sof_header, - sizeof(sn9c102_sof_header_t)); - DBG(3, "Video frame captured: " - "%lu bytes", (unsigned long)(b)) + cam->sof_header, soflen); + DBG(3, "Video frame captured: %lu " + "bytes", (unsigned long)(b)); if (!(*f)) goto resubmit_urb; @@ -621,18 +636,19 @@ end_of_frame: (*f)->state = F_ERROR; DBG(3, "Not expected EOF after %lu " "bytes of image data", - (unsigned long)((*f)->buf.bytesused)) + (unsigned long) + ((*f)->buf.bytesused)); } if (sof) /* (1) */ goto start_of_frame; } else if (eof) { - DBG(3, "EOF without SOF") + DBG(3, "EOF without SOF"); continue; } else { - PDBGG("Ignoring pointless isochronous frame") + PDBGG("Ignoring pointless isochronous frame"); continue; } @@ -642,7 +658,7 @@ start_of_frame: (*f)->buf.bytesused = 0; len -= (sof - pos); pos = sof; - DBG(3, "SOF detected: new video frame") + DBG(3, "SOF detected: new video frame"); if (len) goto redo; @@ -653,12 +669,13 @@ start_of_frame: else { if (cam->sensor->pix_format.pixelformat == V4L2_PIX_FMT_SN9C10X) { - eof = sof-sizeof(sn9c102_sof_header_t); + eof = sof - soflen; goto end_of_frame; } else { DBG(3, "SOF before expected EOF after " "%lu bytes of image data", - (unsigned long)((*f)->buf.bytesused)) + (unsigned long) + ((*f)->buf.bytesused)); goto start_of_frame; } } @@ -670,7 +687,7 @@ resubmit_urb: err = usb_submit_urb(urb, GFP_ATOMIC); if (err < 0 && err != -EPERM) { cam->state |= DEV_MISCONFIGURED; - DBG(1, "usb_submit_urb() failed") + DBG(1, "usb_submit_urb() failed"); } wake_up_interruptible(&cam->wait_frame); @@ -681,18 +698,22 @@ static int sn9c102_start_transfer(struct sn9c102_device* cam) { struct usb_device *udev = cam->usbdev; struct urb* urb; - const unsigned int wMaxPacketSize[] = {0, 128, 256, 384, 512, - 680, 800, 900, 1023}; - const unsigned int psz = wMaxPacketSize[SN9C102_ALTERNATE_SETTING]; + const unsigned int sn9c102_wMaxPacketSize[] = {0, 128, 256, 384, 512, + 680, 800, 900, 1023}; + const unsigned int sn9c103_wMaxPacketSize[] = {0, 128, 256, 384, 512, + 680, 800, 900, 1003}; + const unsigned int psz = (cam->bridge == BRIDGE_SN9C103) ? + sn9c103_wMaxPacketSize[SN9C102_ALTERNATE_SETTING] : + sn9c102_wMaxPacketSize[SN9C102_ALTERNATE_SETTING]; s8 i, j; int err = 0; for (i = 0; i < SN9C102_URBS; i++) { - cam->transfer_buffer[i] = kmalloc(SN9C102_ISO_PACKETS * psz, + cam->transfer_buffer[i] = kzalloc(SN9C102_ISO_PACKETS * psz, GFP_KERNEL); if (!cam->transfer_buffer[i]) { err = -ENOMEM; - DBG(1, "Not enough memory") + DBG(1, "Not enough memory"); goto free_buffers; } } @@ -702,7 +723,7 @@ static int sn9c102_start_transfer(struct sn9c102_device* cam) cam->urb[i] = urb; if (!urb) { err = -ENOMEM; - DBG(1, "usb_alloc_urb() failed") + DBG(1, "usb_alloc_urb() failed"); goto free_urbs; } urb->dev = udev; @@ -725,14 +746,14 @@ static int sn9c102_start_transfer(struct sn9c102_device* cam) err = sn9c102_write_reg(cam, cam->reg[0x01] | 0x04, 0x01); if (err) { err = -EIO; - DBG(1, "I/O hardware error") + DBG(1, "I/O hardware error"); goto free_urbs; } } err = usb_set_interface(udev, 0, SN9C102_ALTERNATE_SETTING); if (err) { - DBG(1, "usb_set_interface() failed") + DBG(1, "usb_set_interface() failed"); goto free_urbs; } @@ -743,7 +764,7 @@ static int sn9c102_start_transfer(struct sn9c102_device* cam) if (err) { for (j = i-1; j >= 0; j--) usb_kill_urb(cam->urb[j]); - DBG(1, "usb_submit_urb() failed, error %d", err) + DBG(1, "usb_submit_urb() failed, error %d", err); goto free_urbs; } } @@ -779,7 +800,7 @@ static int sn9c102_stop_transfer(struct sn9c102_device* cam) err = usb_set_interface(udev, 0, 0); /* 0 Mb/s */ if (err) - DBG(3, "usb_set_interface() failed") + DBG(3, "usb_set_interface() failed"); return err; } @@ -799,7 +820,7 @@ static int sn9c102_stream_interrupt(struct sn9c102_device* cam) else if (err) { cam->state |= DEV_MISCONFIGURED; DBG(1, "The camera is misconfigured. To use it, close and " - "open /dev/video%d again.", cam->v4ldev->minor) + "open /dev/video%d again.", cam->v4ldev->minor); return err; } @@ -808,6 +829,7 @@ static int sn9c102_stream_interrupt(struct sn9c102_device* cam) /*****************************************************************************/ +#ifdef CONFIG_VIDEO_ADV_DEBUG static u8 sn9c102_strtou8(const char* buff, size_t len, ssize_t* count) { char str[5]; @@ -885,8 +907,8 @@ sn9c102_store_reg(struct class_device* cd, const char* buf, size_t len) cam->sysfs.reg = index; - DBG(2, "Moved SN9C10X register index to 0x%02X", cam->sysfs.reg) - DBG(3, "Written bytes: %zd", count) + DBG(2, "Moved SN9C10X register index to 0x%02X", cam->sysfs.reg); + DBG(3, "Written bytes: %zd", count); up(&sn9c102_sysfs_lock); @@ -916,7 +938,7 @@ static ssize_t sn9c102_show_val(struct class_device* cd, char* buf) count = sprintf(buf, "%d\n", val); - DBG(3, "Read bytes: %zd", count) + DBG(3, "Read bytes: %zd", count); up(&sn9c102_sysfs_lock); @@ -954,8 +976,8 @@ sn9c102_store_val(struct class_device* cd, const char* buf, size_t len) } DBG(2, "Written SN9C10X reg. 0x%02X, val. 0x%02X", - cam->sysfs.reg, value) - DBG(3, "Written bytes: %zd", count) + cam->sysfs.reg, value); + DBG(3, "Written bytes: %zd", count); up(&sn9c102_sysfs_lock); @@ -979,7 +1001,7 @@ static ssize_t sn9c102_show_i2c_reg(struct class_device* cd, char* buf) count = sprintf(buf, "%u\n", cam->sysfs.i2c_reg); - DBG(3, "Read bytes: %zd", count) + DBG(3, "Read bytes: %zd", count); up(&sn9c102_sysfs_lock); @@ -1011,8 +1033,8 @@ sn9c102_store_i2c_reg(struct class_device* cd, const char* buf, size_t len) cam->sysfs.i2c_reg = index; - DBG(2, "Moved sensor register index to 0x%02X", cam->sysfs.i2c_reg) - DBG(3, "Written bytes: %zd", count) + DBG(2, "Moved sensor register index to 0x%02X", cam->sysfs.i2c_reg); + DBG(3, "Written bytes: %zd", count); up(&sn9c102_sysfs_lock); @@ -1047,7 +1069,7 @@ static ssize_t sn9c102_show_i2c_val(struct class_device* cd, char* buf) count = sprintf(buf, "%d\n", val); - DBG(3, "Read bytes: %zd", count) + DBG(3, "Read bytes: %zd", count); up(&sn9c102_sysfs_lock); @@ -1090,8 +1112,8 @@ sn9c102_store_i2c_val(struct class_device* cd, const char* buf, size_t len) } DBG(2, "Written sensor reg. 0x%02X, val. 0x%02X", - cam->sysfs.i2c_reg, value) - DBG(3, "Written bytes: %zd", count) + cam->sysfs.i2c_reg, value); + DBG(3, "Written bytes: %zd", count); up(&sn9c102_sysfs_lock); @@ -1193,7 +1215,7 @@ static ssize_t sn9c102_show_frame_header(struct class_device* cd, char* buf) count = sizeof(cam->sysfs.frame_header); memcpy(buf, cam->sysfs.frame_header, count); - DBG(3, "Frame header, read bytes: %zd", count) + DBG(3, "Frame header, read bytes: %zd", count); return count; } @@ -1227,11 +1249,12 @@ static void sn9c102_create_sysfs(struct sn9c102_device* cam) video_device_create_file(v4ldev, &class_device_attr_blue); video_device_create_file(v4ldev, &class_device_attr_red); } - if (cam->sensor->sysfs_ops) { + if (cam->sensor && cam->sensor->sysfs_ops) { video_device_create_file(v4ldev, &class_device_attr_i2c_reg); video_device_create_file(v4ldev, &class_device_attr_i2c_val); } } +#endif /* CONFIG_VIDEO_ADV_DEBUG */ /*****************************************************************************/ @@ -1281,7 +1304,7 @@ static int sn9c102_set_scale(struct sn9c102_device* cam, u8 scale) if (err) return -EIO; - PDBGG("Scaling factor: %u", scale) + PDBGG("Scaling factor: %u", scale); return 0; } @@ -1304,7 +1327,7 @@ static int sn9c102_set_crop(struct sn9c102_device* cam, struct v4l2_rect* rect) return -EIO; PDBGG("h_start, v_start, h_size, v_size, ho_size, vo_size " - "%u %u %u %u", h_start, v_start, h_size, v_size) + "%u %u %u %u", h_start, v_start, h_size, v_size); return 0; } @@ -1336,7 +1359,7 @@ static int sn9c102_init(struct sn9c102_device* cam) if (s->init) { err = s->init(cam); if (err) { - DBG(3, "Sensor initialization failed") + DBG(3, "Sensor initialization failed"); return err; } } @@ -1353,13 +1376,13 @@ static int sn9c102_init(struct sn9c102_device* cam) if (s->pix_format.pixelformat == V4L2_PIX_FMT_SN9C10X) DBG(3, "Compressed video format is active, quality %d", - cam->compression.quality) + cam->compression.quality); else - DBG(3, "Uncompressed video format is active") + DBG(3, "Uncompressed video format is active"); if (s->set_crop) if ((err = s->set_crop(cam, rect))) { - DBG(3, "set_crop() failed") + DBG(3, "set_crop() failed"); return err; } @@ -1372,11 +1395,11 @@ static int sn9c102_init(struct sn9c102_device* cam) err = s->set_ctrl(cam, &ctrl); if (err) { DBG(3, "Set %s control failed", - s->qctrl[i].name) + s->qctrl[i].name); return err; } DBG(3, "Image sensor supports '%s' control", - s->qctrl[i].name) + s->qctrl[i].name); } } @@ -1392,7 +1415,7 @@ static int sn9c102_init(struct sn9c102_device* cam) cam->state |= DEV_INITIALIZED; } - DBG(2, "Initialization succeeded") + DBG(2, "Initialization succeeded"); return 0; } @@ -1401,7 +1424,7 @@ static void sn9c102_release_resources(struct sn9c102_device* cam) { down(&sn9c102_sysfs_lock); - DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->minor) + DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->minor); video_set_drvdata(cam->v4ldev, NULL); video_unregister_device(cam->v4ldev); @@ -1432,7 +1455,7 @@ static int sn9c102_open(struct inode* inode, struct file* filp) } if (cam->users) { - DBG(2, "Device /dev/video%d is busy...", cam->v4ldev->minor) + DBG(2, "Device /dev/video%d is busy...", cam->v4ldev->minor); if ((filp->f_flags & O_NONBLOCK) || (filp->f_flags & O_NDELAY)) { err = -EWOULDBLOCK; @@ -1458,7 +1481,7 @@ static int sn9c102_open(struct inode* inode, struct file* filp) err = sn9c102_init(cam); if (err) { DBG(1, "Initialization failed again. " - "I will retry on next open().") + "I will retry on next open()."); goto out; } cam->state &= ~DEV_MISCONFIGURED; @@ -1475,7 +1498,7 @@ static int sn9c102_open(struct inode* inode, struct file* filp) cam->frame_count = 0; sn9c102_empty_framequeues(cam); - DBG(3, "Video device /dev/video%d is open", cam->v4ldev->minor) + DBG(3, "Video device /dev/video%d is open", cam->v4ldev->minor); out: up(&cam->dev_sem); @@ -1504,7 +1527,7 @@ static int sn9c102_release(struct inode* inode, struct file* filp) cam->users--; wake_up_interruptible_nr(&cam->open, 1); - DBG(3, "Video device /dev/video%d closed", cam->v4ldev->minor) + DBG(3, "Video device /dev/video%d closed", cam->v4ldev->minor); up(&cam->dev_sem); @@ -1524,32 +1547,38 @@ sn9c102_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos) return -ERESTARTSYS; if (cam->state & DEV_DISCONNECTED) { - DBG(1, "Device not present") + DBG(1, "Device not present"); up(&cam->fileop_sem); return -ENODEV; } if (cam->state & DEV_MISCONFIGURED) { - DBG(1, "The camera is misconfigured. Close and open it again.") + DBG(1, "The camera is misconfigured. Close and open it " + "again."); up(&cam->fileop_sem); return -EIO; } if (cam->io == IO_MMAP) { DBG(3, "Close and open the device again to choose " - "the read method") + "the read method"); up(&cam->fileop_sem); return -EINVAL; } if (cam->io == IO_NONE) { if (!sn9c102_request_buffers(cam,cam->nreadbuffers, IO_READ)) { - DBG(1, "read() failed, not enough memory") + DBG(1, "read() failed, not enough memory"); up(&cam->fileop_sem); return -ENOMEM; } cam->io = IO_READ; cam->stream = STREAM_ON; + } + + if (list_empty(&cam->inqueue)) { + if (!list_empty(&cam->outqueue)) + sn9c102_empty_framequeues(cam); sn9c102_queue_unusedframes(cam); } @@ -1584,6 +1613,16 @@ sn9c102_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos) f = list_entry(cam->outqueue.prev, struct sn9c102_frame_t, frame); + if (count > f->buf.bytesused) + count = f->buf.bytesused; + + if (copy_to_user(buf, f->bufmem, count)) { + err = -EFAULT; + goto exit; + } + *f_pos += count; + +exit: spin_lock_irqsave(&cam->queue_lock, lock_flags); list_for_each_entry(i, &cam->outqueue, frame) i->state = F_UNUSED; @@ -1592,16 +1631,8 @@ sn9c102_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos) sn9c102_queue_unusedframes(cam); - if (count > f->buf.bytesused) - count = f->buf.bytesused; - - if (copy_to_user(buf, f->bufmem, count)) { - up(&cam->fileop_sem); - return -EFAULT; - } - *f_pos += count; - - PDBGG("Frame #%lu, bytes read: %zu", (unsigned long)f->buf.index,count) + PDBGG("Frame #%lu, bytes read: %zu", + (unsigned long)f->buf.index, count); up(&cam->fileop_sem); @@ -1612,33 +1643,42 @@ sn9c102_read(struct file* filp, char __user * buf, size_t count, loff_t* f_pos) static unsigned int sn9c102_poll(struct file *filp, poll_table *wait) { struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp)); + struct sn9c102_frame_t* f; + unsigned long lock_flags; unsigned int mask = 0; if (down_interruptible(&cam->fileop_sem)) return POLLERR; if (cam->state & DEV_DISCONNECTED) { - DBG(1, "Device not present") + DBG(1, "Device not present"); goto error; } if (cam->state & DEV_MISCONFIGURED) { - DBG(1, "The camera is misconfigured. Close and open it again.") + DBG(1, "The camera is misconfigured. Close and open it " + "again."); goto error; } if (cam->io == IO_NONE) { if (!sn9c102_request_buffers(cam, cam->nreadbuffers, IO_READ)) { - DBG(1, "poll() failed, not enough memory") + DBG(1, "poll() failed, not enough memory"); goto error; } cam->io = IO_READ; cam->stream = STREAM_ON; } - if (cam->io == IO_READ) + if (cam->io == IO_READ) { + spin_lock_irqsave(&cam->queue_lock, lock_flags); + list_for_each_entry(f, &cam->outqueue, frame) + f->state = F_UNUSED; + INIT_LIST_HEAD(&cam->outqueue); + spin_unlock_irqrestore(&cam->queue_lock, lock_flags); sn9c102_queue_unusedframes(cam); + } poll_wait(filp, &cam->wait_frame, wait); @@ -1680,22 +1720,22 @@ static int sn9c102_mmap(struct file* filp, struct vm_area_struct *vma) { struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp)); unsigned long size = vma->vm_end - vma->vm_start, - start = vma->vm_start, - pos, - page; + start = vma->vm_start; + void *pos; u32 i; if (down_interruptible(&cam->fileop_sem)) return -ERESTARTSYS; if (cam->state & DEV_DISCONNECTED) { - DBG(1, "Device not present") + DBG(1, "Device not present"); up(&cam->fileop_sem); return -ENODEV; } if (cam->state & DEV_MISCONFIGURED) { - DBG(1, "The camera is misconfigured. Close and open it again.") + DBG(1, "The camera is misconfigured. Close and open it " + "again."); up(&cam->fileop_sem); return -EIO; } @@ -1715,15 +1755,12 @@ static int sn9c102_mmap(struct file* filp, struct vm_area_struct *vma) return -EINVAL; } - /* VM_IO is eventually going to replace PageReserved altogether */ vma->vm_flags |= VM_IO; - vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */ + vma->vm_flags |= VM_RESERVED; - pos = (unsigned long)cam->frame[i].bufmem; + pos = cam->frame[i].bufmem; while (size > 0) { /* size is page-aligned */ - page = vmalloc_to_pfn((void *)pos); - if (remap_pfn_range(vma, start, page, PAGE_SIZE, - vma->vm_page_prot)) { + if (vm_insert_page(vma, start, vmalloc_to_page(pos))) { up(&cam->fileop_sem); return -EAGAIN; } @@ -1742,738 +1779,861 @@ static int sn9c102_mmap(struct file* filp, struct vm_area_struct *vma) return 0; } +/*****************************************************************************/ -static int sn9c102_ioctl_v4l2(struct inode* inode, struct file* filp, - unsigned int cmd, void __user * arg) +static int +sn9c102_vidioc_querycap(struct sn9c102_device* cam, void __user * arg) { - struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp)); + struct v4l2_capability cap = { + .driver = "sn9c102", + .version = SN9C102_MODULE_VERSION_CODE, + .capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING, + }; + + strlcpy(cap.card, cam->v4ldev->name, sizeof(cap.card)); + if (usb_make_path(cam->usbdev, cap.bus_info, sizeof(cap.bus_info)) < 0) + strlcpy(cap.bus_info, cam->usbdev->dev.bus_id, + sizeof(cap.bus_info)); + + if (copy_to_user(arg, &cap, sizeof(cap))) + return -EFAULT; - switch (cmd) { + return 0; +} - case VIDIOC_QUERYCAP: - { - struct v4l2_capability cap = { - .driver = "sn9c102", - .version = SN9C102_MODULE_VERSION_CODE, - .capabilities = V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_READWRITE | - V4L2_CAP_STREAMING, - }; - - strlcpy(cap.card, cam->v4ldev->name, sizeof(cap.card)); - if (usb_make_path(cam->usbdev, cap.bus_info, - sizeof(cap.bus_info)) < 0) - strlcpy(cap.bus_info, cam->dev.bus_id, - sizeof(cap.bus_info)); - - if (copy_to_user(arg, &cap, sizeof(cap))) - return -EFAULT; - return 0; - } +static int +sn9c102_vidioc_enuminput(struct sn9c102_device* cam, void __user * arg) +{ + struct v4l2_input i; - case VIDIOC_ENUMINPUT: - { - struct v4l2_input i; + if (copy_from_user(&i, arg, sizeof(i))) + return -EFAULT; - if (copy_from_user(&i, arg, sizeof(i))) - return -EFAULT; + if (i.index) + return -EINVAL; - if (i.index) - return -EINVAL; + memset(&i, 0, sizeof(i)); + strcpy(i.name, "Camera"); - memset(&i, 0, sizeof(i)); - strcpy(i.name, "USB"); + if (copy_to_user(arg, &i, sizeof(i))) + return -EFAULT; - if (copy_to_user(arg, &i, sizeof(i))) - return -EFAULT; + return 0; +} - return 0; - } - case VIDIOC_G_INPUT: - case VIDIOC_S_INPUT: - { - int index; +static int +sn9c102_vidioc_gs_input(struct sn9c102_device* cam, void __user * arg) +{ + int index; - if (copy_from_user(&index, arg, sizeof(index))) - return -EFAULT; + if (copy_from_user(&index, arg, sizeof(index))) + return -EFAULT; - if (index != 0) - return -EINVAL; + if (index != 0) + return -EINVAL; - return 0; - } + return 0; +} - case VIDIOC_QUERYCTRL: - { - struct sn9c102_sensor* s = cam->sensor; - struct v4l2_queryctrl qc; - u8 i; - if (copy_from_user(&qc, arg, sizeof(qc))) - return -EFAULT; +static int +sn9c102_vidioc_query_ctrl(struct sn9c102_device* cam, void __user * arg) +{ + struct sn9c102_sensor* s = cam->sensor; + struct v4l2_queryctrl qc; + u8 i; + if (copy_from_user(&qc, arg, sizeof(qc))) + return -EFAULT; + + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) + if (qc.id && qc.id == s->qctrl[i].id) { + memcpy(&qc, &(s->qctrl[i]), sizeof(qc)); + if (copy_to_user(arg, &qc, sizeof(qc))) + return -EFAULT; + return 0; + } + + return -EINVAL; +} + + +static int +sn9c102_vidioc_g_ctrl(struct sn9c102_device* cam, void __user * arg) +{ + struct sn9c102_sensor* s = cam->sensor; + struct v4l2_control ctrl; + int err = 0; + u8 i; + + if (!s->get_ctrl && !s->set_ctrl) + return -EINVAL; + + if (copy_from_user(&ctrl, arg, sizeof(ctrl))) + return -EFAULT; + + if (!s->get_ctrl) { for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) - if (qc.id && qc.id == s->qctrl[i].id) { - memcpy(&qc, &(s->qctrl[i]), sizeof(qc)); - if (copy_to_user(arg, &qc, sizeof(qc))) - return -EFAULT; - return 0; + if (ctrl.id && ctrl.id == s->qctrl[i].id) { + ctrl.value = s->_qctrl[i].default_value; + goto exit; } - return -EINVAL; - } + } else + err = s->get_ctrl(cam, &ctrl); - case VIDIOC_G_CTRL: - { - struct sn9c102_sensor* s = cam->sensor; - struct v4l2_control ctrl; - int err = 0; +exit: + if (copy_to_user(arg, &ctrl, sizeof(ctrl))) + return -EFAULT; - if (!s->get_ctrl) - return -EINVAL; + return err; +} - if (copy_from_user(&ctrl, arg, sizeof(ctrl))) - return -EFAULT; - err = s->get_ctrl(cam, &ctrl); +static int +sn9c102_vidioc_s_ctrl(struct sn9c102_device* cam, void __user * arg) +{ + struct sn9c102_sensor* s = cam->sensor; + struct v4l2_control ctrl; + u8 i; + int err = 0; - if (copy_to_user(arg, &ctrl, sizeof(ctrl))) - return -EFAULT; + if (!s->set_ctrl) + return -EINVAL; + + if (copy_from_user(&ctrl, arg, sizeof(ctrl))) + return -EFAULT; + for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) + if (ctrl.id == s->qctrl[i].id) { + if (ctrl.value < s->qctrl[i].minimum || + ctrl.value > s->qctrl[i].maximum) + return -ERANGE; + ctrl.value -= ctrl.value % s->qctrl[i].step; + break; + } + + if ((err = s->set_ctrl(cam, &ctrl))) return err; - } - case VIDIOC_S_CTRL_OLD: - case VIDIOC_S_CTRL: - { - struct sn9c102_sensor* s = cam->sensor; - struct v4l2_control ctrl; - u8 i; - int err = 0; + s->_qctrl[i].default_value = ctrl.value; - if (!s->set_ctrl) - return -EINVAL; + PDBGG("VIDIOC_S_CTRL: id %lu, value %lu", + (unsigned long)ctrl.id, (unsigned long)ctrl.value); - if (copy_from_user(&ctrl, arg, sizeof(ctrl))) - return -EFAULT; + return 0; +} - for (i = 0; i < ARRAY_SIZE(s->qctrl); i++) - if (ctrl.id == s->qctrl[i].id) { - if (ctrl.value < s->qctrl[i].minimum || - ctrl.value > s->qctrl[i].maximum) - return -ERANGE; - ctrl.value -= ctrl.value % s->qctrl[i].step; - break; + +static int +sn9c102_vidioc_cropcap(struct sn9c102_device* cam, void __user * arg) +{ + struct v4l2_cropcap* cc = &(cam->sensor->cropcap); + + cc->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + cc->pixelaspect.numerator = 1; + cc->pixelaspect.denominator = 1; + + if (copy_to_user(arg, cc, sizeof(*cc))) + return -EFAULT; + + return 0; +} + + +static int +sn9c102_vidioc_g_crop(struct sn9c102_device* cam, void __user * arg) +{ + struct sn9c102_sensor* s = cam->sensor; + struct v4l2_crop crop = { + .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, + }; + + memcpy(&(crop.c), &(s->_rect), sizeof(struct v4l2_rect)); + + if (copy_to_user(arg, &crop, sizeof(crop))) + return -EFAULT; + + return 0; +} + + +static int +sn9c102_vidioc_s_crop(struct sn9c102_device* cam, void __user * arg) +{ + struct sn9c102_sensor* s = cam->sensor; + struct v4l2_crop crop; + struct v4l2_rect* rect; + struct v4l2_rect* bounds = &(s->cropcap.bounds); + struct v4l2_pix_format* pix_format = &(s->pix_format); + u8 scale; + const enum sn9c102_stream_state stream = cam->stream; + const u32 nbuffers = cam->nbuffers; + u32 i; + int err = 0; + + if (copy_from_user(&crop, arg, sizeof(crop))) + return -EFAULT; + + rect = &(crop.c); + + if (crop.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + if (cam->module_param.force_munmap) + for (i = 0; i < cam->nbuffers; i++) + if (cam->frame[i].vma_use_count) { + DBG(3, "VIDIOC_S_CROP failed. " + "Unmap the buffers first."); + return -EINVAL; } - if ((err = s->set_ctrl(cam, &ctrl))) + /* Preserve R,G or B origin */ + rect->left = (s->_rect.left & 1L) ? rect->left | 1L : rect->left & ~1L; + rect->top = (s->_rect.top & 1L) ? rect->top | 1L : rect->top & ~1L; + + if (rect->width < 16) + rect->width = 16; + if (rect->height < 16) + rect->height = 16; + if (rect->width > bounds->width) + rect->width = bounds->width; + if (rect->height > bounds->height) + rect->height = bounds->height; + if (rect->left < bounds->left) + rect->left = bounds->left; + if (rect->top < bounds->top) + rect->top = bounds->top; + if (rect->left + rect->width > bounds->left + bounds->width) + rect->left = bounds->left+bounds->width - rect->width; + if (rect->top + rect->height > bounds->top + bounds->height) + rect->top = bounds->top+bounds->height - rect->height; + + rect->width &= ~15L; + rect->height &= ~15L; + + if (SN9C102_PRESERVE_IMGSCALE) { + /* Calculate the actual scaling factor */ + u32 a, b; + a = rect->width * rect->height; + b = pix_format->width * pix_format->height; + scale = b ? (u8)((a / b) < 4 ? 1 : ((a / b) < 16 ? 2 : 4)) : 1; + } else + scale = 1; + + if (cam->stream == STREAM_ON) + if ((err = sn9c102_stream_interrupt(cam))) return err; - s->_qctrl[i].default_value = ctrl.value; + if (copy_to_user(arg, &crop, sizeof(crop))) { + cam->stream = stream; + return -EFAULT; + } + + if (cam->module_param.force_munmap || cam->io == IO_READ) + sn9c102_release_buffers(cam); - PDBGG("VIDIOC_S_CTRL: id %lu, value %lu", - (unsigned long)ctrl.id, (unsigned long)ctrl.value) + err = sn9c102_set_crop(cam, rect); + if (s->set_crop) + err += s->set_crop(cam, rect); + err += sn9c102_set_scale(cam, scale); - return 0; + if (err) { /* atomic, no rollback in ioctl() */ + cam->state |= DEV_MISCONFIGURED; + DBG(1, "VIDIOC_S_CROP failed because of hardware problems. To " + "use the camera, close and open /dev/video%d again.", + cam->v4ldev->minor); + return -EIO; } - case VIDIOC_CROPCAP: - { - struct v4l2_cropcap* cc = &(cam->sensor->cropcap); + s->pix_format.width = rect->width/scale; + s->pix_format.height = rect->height/scale; + memcpy(&(s->_rect), rect, sizeof(*rect)); - cc->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - cc->pixelaspect.numerator = 1; - cc->pixelaspect.denominator = 1; + if ((cam->module_param.force_munmap || cam->io == IO_READ) && + nbuffers != sn9c102_request_buffers(cam, nbuffers, cam->io)) { + cam->state |= DEV_MISCONFIGURED; + DBG(1, "VIDIOC_S_CROP failed because of not enough memory. To " + "use the camera, close and open /dev/video%d again.", + cam->v4ldev->minor); + return -ENOMEM; + } - if (copy_to_user(arg, cc, sizeof(*cc))) - return -EFAULT; + if (cam->io == IO_READ) + sn9c102_empty_framequeues(cam); + else if (cam->module_param.force_munmap) + sn9c102_requeue_outqueue(cam); - return 0; - } + cam->stream = stream; - case VIDIOC_G_CROP: - { - struct sn9c102_sensor* s = cam->sensor; - struct v4l2_crop crop = { - .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, - }; + return 0; +} - memcpy(&(crop.c), &(s->_rect), sizeof(struct v4l2_rect)); - if (copy_to_user(arg, &crop, sizeof(crop))) - return -EFAULT; +static int +sn9c102_vidioc_enum_fmt(struct sn9c102_device* cam, void __user * arg) +{ + struct v4l2_fmtdesc fmtd; - return 0; - } + if (copy_from_user(&fmtd, arg, sizeof(fmtd))) + return -EFAULT; - case VIDIOC_S_CROP: - { - struct sn9c102_sensor* s = cam->sensor; - struct v4l2_crop crop; - struct v4l2_rect* rect; - struct v4l2_rect* bounds = &(s->cropcap.bounds); - struct v4l2_pix_format* pix_format = &(s->pix_format); - u8 scale; - const enum sn9c102_stream_state stream = cam->stream; - const u32 nbuffers = cam->nbuffers; - u32 i; - int err = 0; - - if (copy_from_user(&crop, arg, sizeof(crop))) - return -EFAULT; + if (fmtd.index == 0) { + strcpy(fmtd.description, "bayer rgb"); + fmtd.pixelformat = V4L2_PIX_FMT_SBGGR8; + } else if (fmtd.index == 1) { + strcpy(fmtd.description, "compressed"); + fmtd.pixelformat = V4L2_PIX_FMT_SN9C10X; + fmtd.flags = V4L2_FMT_FLAG_COMPRESSED; + } else + return -EINVAL; - rect = &(crop.c); + fmtd.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + memset(&fmtd.reserved, 0, sizeof(fmtd.reserved)); - if (crop.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; + if (copy_to_user(arg, &fmtd, sizeof(fmtd))) + return -EFAULT; - if (cam->module_param.force_munmap) - for (i = 0; i < cam->nbuffers; i++) - if (cam->frame[i].vma_use_count) { - DBG(3, "VIDIOC_S_CROP failed. " - "Unmap the buffers first.") - return -EINVAL; - } + return 0; +} - /* Preserve R,G or B origin */ - rect->left = (s->_rect.left & 1L) ? - rect->left | 1L : rect->left & ~1L; - rect->top = (s->_rect.top & 1L) ? - rect->top | 1L : rect->top & ~1L; - - if (rect->width < 16) - rect->width = 16; - if (rect->height < 16) - rect->height = 16; - if (rect->width > bounds->width) - rect->width = bounds->width; - if (rect->height > bounds->height) - rect->height = bounds->height; - if (rect->left < bounds->left) - rect->left = bounds->left; - if (rect->top < bounds->top) - rect->top = bounds->top; - if (rect->left + rect->width > bounds->left + bounds->width) - rect->left = bounds->left+bounds->width - rect->width; - if (rect->top + rect->height > bounds->top + bounds->height) - rect->top = bounds->top+bounds->height - rect->height; - - rect->width &= ~15L; - rect->height &= ~15L; - - if (SN9C102_PRESERVE_IMGSCALE) { - /* Calculate the actual scaling factor */ - u32 a, b; - a = rect->width * rect->height; - b = pix_format->width * pix_format->height; - scale = b ? (u8)((a / b) < 4 ? 1 : - ((a / b) < 16 ? 2 : 4)) : 1; - } else - scale = 1; - - if (cam->stream == STREAM_ON) - if ((err = sn9c102_stream_interrupt(cam))) - return err; - - if (copy_to_user(arg, &crop, sizeof(crop))) { - cam->stream = stream; - return -EFAULT; - } - if (cam->module_param.force_munmap || cam->io == IO_READ) - sn9c102_release_buffers(cam); +static int +sn9c102_vidioc_g_fmt(struct sn9c102_device* cam, void __user * arg) +{ + struct v4l2_format format; + struct v4l2_pix_format* pfmt = &(cam->sensor->pix_format); - err = sn9c102_set_crop(cam, rect); - if (s->set_crop) - err += s->set_crop(cam, rect); - err += sn9c102_set_scale(cam, scale); + if (copy_from_user(&format, arg, sizeof(format))) + return -EFAULT; - if (err) { /* atomic, no rollback in ioctl() */ - cam->state |= DEV_MISCONFIGURED; - DBG(1, "VIDIOC_S_CROP failed because of hardware " - "problems. To use the camera, close and open " - "/dev/video%d again.", cam->v4ldev->minor) - return -EIO; - } + if (format.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; - s->pix_format.width = rect->width/scale; - s->pix_format.height = rect->height/scale; - memcpy(&(s->_rect), rect, sizeof(*rect)); - - if ((cam->module_param.force_munmap || cam->io == IO_READ) && - nbuffers != sn9c102_request_buffers(cam, nbuffers, - cam->io)) { - cam->state |= DEV_MISCONFIGURED; - DBG(1, "VIDIOC_S_CROP failed because of not enough " - "memory. To use the camera, close and open " - "/dev/video%d again.", cam->v4ldev->minor) - return -ENOMEM; - } + pfmt->bytesperline = (pfmt->pixelformat==V4L2_PIX_FMT_SN9C10X) + ? 0 : (pfmt->width * pfmt->priv) / 8; + pfmt->sizeimage = pfmt->height * ((pfmt->width*pfmt->priv)/8); + pfmt->field = V4L2_FIELD_NONE; + memcpy(&(format.fmt.pix), pfmt, sizeof(*pfmt)); - cam->stream = stream; + if (copy_to_user(arg, &format, sizeof(format))) + return -EFAULT; - return 0; - } + return 0; +} - case VIDIOC_ENUM_FMT: - { - struct v4l2_fmtdesc fmtd; - if (copy_from_user(&fmtd, arg, sizeof(fmtd))) - return -EFAULT; +static int +sn9c102_vidioc_try_s_fmt(struct sn9c102_device* cam, unsigned int cmd, + void __user * arg) +{ + struct sn9c102_sensor* s = cam->sensor; + struct v4l2_format format; + struct v4l2_pix_format* pix; + struct v4l2_pix_format* pfmt = &(s->pix_format); + struct v4l2_rect* bounds = &(s->cropcap.bounds); + struct v4l2_rect rect; + u8 scale; + const enum sn9c102_stream_state stream = cam->stream; + const u32 nbuffers = cam->nbuffers; + u32 i; + int err = 0; - if (fmtd.index == 0) { - strcpy(fmtd.description, "bayer rgb"); - fmtd.pixelformat = V4L2_PIX_FMT_SBGGR8; - } else if (fmtd.index == 1) { - strcpy(fmtd.description, "compressed"); - fmtd.pixelformat = V4L2_PIX_FMT_SN9C10X; - fmtd.flags = V4L2_FMT_FLAG_COMPRESSED; - } else - return -EINVAL; + if (copy_from_user(&format, arg, sizeof(format))) + return -EFAULT; - fmtd.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - memset(&fmtd.reserved, 0, sizeof(fmtd.reserved)); + pix = &(format.fmt.pix); - if (copy_to_user(arg, &fmtd, sizeof(fmtd))) - return -EFAULT; + if (format.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; - return 0; + memcpy(&rect, &(s->_rect), sizeof(rect)); + + { /* calculate the actual scaling factor */ + u32 a, b; + a = rect.width * rect.height; + b = pix->width * pix->height; + scale = b ? (u8)((a / b) < 4 ? 1 : ((a / b) < 16 ? 2 : 4)) : 1; } - case VIDIOC_G_FMT: - { - struct v4l2_format format; - struct v4l2_pix_format* pfmt = &(cam->sensor->pix_format); + rect.width = scale * pix->width; + rect.height = scale * pix->height; - if (copy_from_user(&format, arg, sizeof(format))) - return -EFAULT; + if (rect.width < 16) + rect.width = 16; + if (rect.height < 16) + rect.height = 16; + if (rect.width > bounds->left + bounds->width - rect.left) + rect.width = bounds->left + bounds->width - rect.left; + if (rect.height > bounds->top + bounds->height - rect.top) + rect.height = bounds->top + bounds->height - rect.top; - if (format.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; + rect.width &= ~15L; + rect.height &= ~15L; + + { /* adjust the scaling factor */ + u32 a, b; + a = rect.width * rect.height; + b = pix->width * pix->height; + scale = b ? (u8)((a / b) < 4 ? 1 : ((a / b) < 16 ? 2 : 4)) : 1; + } - pfmt->bytesperline = (pfmt->pixelformat==V4L2_PIX_FMT_SN9C10X) - ? 0 : (pfmt->width * pfmt->priv) / 8; - pfmt->sizeimage = pfmt->height * ((pfmt->width*pfmt->priv)/8); - pfmt->field = V4L2_FIELD_NONE; - memcpy(&(format.fmt.pix), pfmt, sizeof(*pfmt)); + pix->width = rect.width / scale; + pix->height = rect.height / scale; + if (pix->pixelformat != V4L2_PIX_FMT_SN9C10X && + pix->pixelformat != V4L2_PIX_FMT_SBGGR8) + pix->pixelformat = pfmt->pixelformat; + pix->priv = pfmt->priv; /* bpp */ + pix->colorspace = pfmt->colorspace; + pix->bytesperline = (pix->pixelformat == V4L2_PIX_FMT_SN9C10X) + ? 0 : (pix->width * pix->priv) / 8; + pix->sizeimage = pix->height * ((pix->width * pix->priv) / 8); + pix->field = V4L2_FIELD_NONE; + + if (cmd == VIDIOC_TRY_FMT) { if (copy_to_user(arg, &format, sizeof(format))) return -EFAULT; - return 0; } - case VIDIOC_TRY_FMT: - case VIDIOC_S_FMT: - { - struct sn9c102_sensor* s = cam->sensor; - struct v4l2_format format; - struct v4l2_pix_format* pix; - struct v4l2_pix_format* pfmt = &(s->pix_format); - struct v4l2_rect* bounds = &(s->cropcap.bounds); - struct v4l2_rect rect; - u8 scale; - const enum sn9c102_stream_state stream = cam->stream; - const u32 nbuffers = cam->nbuffers; - u32 i; - int err = 0; - - if (copy_from_user(&format, arg, sizeof(format))) - return -EFAULT; + if (cam->module_param.force_munmap) + for (i = 0; i < cam->nbuffers; i++) + if (cam->frame[i].vma_use_count) { + DBG(3, "VIDIOC_S_FMT failed. Unmap the " + "buffers first."); + return -EINVAL; + } - pix = &(format.fmt.pix); + if (cam->stream == STREAM_ON) + if ((err = sn9c102_stream_interrupt(cam))) + return err; - if (format.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; + if (copy_to_user(arg, &format, sizeof(format))) { + cam->stream = stream; + return -EFAULT; + } - memcpy(&rect, &(s->_rect), sizeof(rect)); + if (cam->module_param.force_munmap || cam->io == IO_READ) + sn9c102_release_buffers(cam); - { /* calculate the actual scaling factor */ - u32 a, b; - a = rect.width * rect.height; - b = pix->width * pix->height; - scale = b ? (u8)((a / b) < 4 ? 1 : - ((a / b) < 16 ? 2 : 4)) : 1; - } + err += sn9c102_set_pix_format(cam, pix); + err += sn9c102_set_crop(cam, &rect); + if (s->set_pix_format) + err += s->set_pix_format(cam, pix); + if (s->set_crop) + err += s->set_crop(cam, &rect); + err += sn9c102_set_scale(cam, scale); - rect.width = scale * pix->width; - rect.height = scale * pix->height; - - if (rect.width < 16) - rect.width = 16; - if (rect.height < 16) - rect.height = 16; - if (rect.width > bounds->left + bounds->width - rect.left) - rect.width = bounds->left + bounds->width - rect.left; - if (rect.height > bounds->top + bounds->height - rect.top) - rect.height = bounds->top + bounds->height - rect.top; - - rect.width &= ~15L; - rect.height &= ~15L; - - { /* adjust the scaling factor */ - u32 a, b; - a = rect.width * rect.height; - b = pix->width * pix->height; - scale = b ? (u8)((a / b) < 4 ? 1 : - ((a / b) < 16 ? 2 : 4)) : 1; - } + if (err) { /* atomic, no rollback in ioctl() */ + cam->state |= DEV_MISCONFIGURED; + DBG(1, "VIDIOC_S_FMT failed because of hardware problems. To " + "use the camera, close and open /dev/video%d again.", + cam->v4ldev->minor); + return -EIO; + } - pix->width = rect.width / scale; - pix->height = rect.height / scale; - - if (pix->pixelformat != V4L2_PIX_FMT_SN9C10X && - pix->pixelformat != V4L2_PIX_FMT_SBGGR8) - pix->pixelformat = pfmt->pixelformat; - pix->priv = pfmt->priv; /* bpp */ - pix->colorspace = pfmt->colorspace; - pix->bytesperline = (pix->pixelformat == V4L2_PIX_FMT_SN9C10X) - ? 0 : (pix->width * pix->priv) / 8; - pix->sizeimage = pix->height * ((pix->width * pix->priv) / 8); - pix->field = V4L2_FIELD_NONE; - - if (cmd == VIDIOC_TRY_FMT) { - if (copy_to_user(arg, &format, sizeof(format))) - return -EFAULT; - return 0; - } + memcpy(pfmt, pix, sizeof(*pix)); + memcpy(&(s->_rect), &rect, sizeof(rect)); - if (cam->module_param.force_munmap) - for (i = 0; i < cam->nbuffers; i++) - if (cam->frame[i].vma_use_count) { - DBG(3, "VIDIOC_S_FMT failed. " - "Unmap the buffers first.") - return -EINVAL; - } + if ((cam->module_param.force_munmap || cam->io == IO_READ) && + nbuffers != sn9c102_request_buffers(cam, nbuffers, cam->io)) { + cam->state |= DEV_MISCONFIGURED; + DBG(1, "VIDIOC_S_FMT failed because of not enough memory. To " + "use the camera, close and open /dev/video%d again.", + cam->v4ldev->minor); + return -ENOMEM; + } - if (cam->stream == STREAM_ON) - if ((err = sn9c102_stream_interrupt(cam))) - return err; + if (cam->io == IO_READ) + sn9c102_empty_framequeues(cam); + else if (cam->module_param.force_munmap) + sn9c102_requeue_outqueue(cam); - if (copy_to_user(arg, &format, sizeof(format))) { - cam->stream = stream; - return -EFAULT; - } + cam->stream = stream; - if (cam->module_param.force_munmap || cam->io == IO_READ) - sn9c102_release_buffers(cam); - - err += sn9c102_set_pix_format(cam, pix); - err += sn9c102_set_crop(cam, &rect); - if (s->set_pix_format) - err += s->set_pix_format(cam, pix); - if (s->set_crop) - err += s->set_crop(cam, &rect); - err += sn9c102_set_scale(cam, scale); - - if (err) { /* atomic, no rollback in ioctl() */ - cam->state |= DEV_MISCONFIGURED; - DBG(1, "VIDIOC_S_FMT failed because of hardware " - "problems. To use the camera, close and open " - "/dev/video%d again.", cam->v4ldev->minor) - return -EIO; - } + return 0; +} - memcpy(pfmt, pix, sizeof(*pix)); - memcpy(&(s->_rect), &rect, sizeof(rect)); - if ((cam->module_param.force_munmap || cam->io == IO_READ) && - nbuffers != sn9c102_request_buffers(cam, nbuffers, - cam->io)) { - cam->state |= DEV_MISCONFIGURED; - DBG(1, "VIDIOC_S_FMT failed because of not enough " - "memory. To use the camera, close and open " - "/dev/video%d again.", cam->v4ldev->minor) - return -ENOMEM; - } +static int +sn9c102_vidioc_g_jpegcomp(struct sn9c102_device* cam, void __user * arg) +{ + if (copy_to_user(arg, &cam->compression, + sizeof(cam->compression))) + return -EFAULT; - cam->stream = stream; + return 0; +} - return 0; - } - case VIDIOC_G_JPEGCOMP: - { - if (copy_to_user(arg, &cam->compression, - sizeof(cam->compression))) - return -EFAULT; +static int +sn9c102_vidioc_s_jpegcomp(struct sn9c102_device* cam, void __user * arg) +{ + struct v4l2_jpegcompression jc; + const enum sn9c102_stream_state stream = cam->stream; + int err = 0; - return 0; - } + if (copy_from_user(&jc, arg, sizeof(jc))) + return -EFAULT; - case VIDIOC_S_JPEGCOMP: - { - struct v4l2_jpegcompression jc; - const enum sn9c102_stream_state stream = cam->stream; - int err = 0; + if (jc.quality != 0 && jc.quality != 1) + return -EINVAL; - if (copy_from_user(&jc, arg, sizeof(jc))) - return -EFAULT; + if (cam->stream == STREAM_ON) + if ((err = sn9c102_stream_interrupt(cam))) + return err; - if (jc.quality != 0 && jc.quality != 1) - return -EINVAL; + err += sn9c102_set_compression(cam, &jc); + if (err) { /* atomic, no rollback in ioctl() */ + cam->state |= DEV_MISCONFIGURED; + DBG(1, "VIDIOC_S_JPEGCOMP failed because of hardware " + "problems. To use the camera, close and open " + "/dev/video%d again.", cam->v4ldev->minor); + return -EIO; + } - if (cam->stream == STREAM_ON) - if ((err = sn9c102_stream_interrupt(cam))) - return err; + cam->compression.quality = jc.quality; - err += sn9c102_set_compression(cam, &jc); - if (err) { /* atomic, no rollback in ioctl() */ - cam->state |= DEV_MISCONFIGURED; - DBG(1, "VIDIOC_S_JPEGCOMP failed because of hardware " - "problems. To use the camera, close and open " - "/dev/video%d again.", cam->v4ldev->minor) - return -EIO; - } + cam->stream = stream; - cam->compression.quality = jc.quality; + return 0; +} - cam->stream = stream; - return 0; - } +static int +sn9c102_vidioc_reqbufs(struct sn9c102_device* cam, void __user * arg) +{ + struct v4l2_requestbuffers rb; + u32 i; + int err; - case VIDIOC_REQBUFS: - { - struct v4l2_requestbuffers rb; - u32 i; - int err; + if (copy_from_user(&rb, arg, sizeof(rb))) + return -EFAULT; - if (copy_from_user(&rb, arg, sizeof(rb))) - return -EFAULT; + if (rb.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + rb.memory != V4L2_MEMORY_MMAP) + return -EINVAL; - if (rb.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - rb.memory != V4L2_MEMORY_MMAP) - return -EINVAL; + if (cam->io == IO_READ) { + DBG(3, "Close and open the device again to choose the mmap " + "I/O method"); + return -EINVAL; + } - if (cam->io == IO_READ) { - DBG(3, "Close and open the device again to choose " - "the mmap I/O method") + for (i = 0; i < cam->nbuffers; i++) + if (cam->frame[i].vma_use_count) { + DBG(3, "VIDIOC_REQBUFS failed. Previous buffers are " + "still mapped."); return -EINVAL; } - for (i = 0; i < cam->nbuffers; i++) - if (cam->frame[i].vma_use_count) { - DBG(3, "VIDIOC_REQBUFS failed. " - "Previous buffers are still mapped.") - return -EINVAL; - } + if (cam->stream == STREAM_ON) + if ((err = sn9c102_stream_interrupt(cam))) + return err; - if (cam->stream == STREAM_ON) - if ((err = sn9c102_stream_interrupt(cam))) - return err; + sn9c102_empty_framequeues(cam); - sn9c102_empty_framequeues(cam); + sn9c102_release_buffers(cam); + if (rb.count) + rb.count = sn9c102_request_buffers(cam, rb.count, IO_MMAP); + if (copy_to_user(arg, &rb, sizeof(rb))) { sn9c102_release_buffers(cam); - if (rb.count) - rb.count = sn9c102_request_buffers(cam, rb.count, - IO_MMAP); + cam->io = IO_NONE; + return -EFAULT; + } - if (copy_to_user(arg, &rb, sizeof(rb))) { - sn9c102_release_buffers(cam); - cam->io = IO_NONE; - return -EFAULT; - } + cam->io = rb.count ? IO_MMAP : IO_NONE; - cam->io = rb.count ? IO_MMAP : IO_NONE; + return 0; +} - return 0; - } - case VIDIOC_QUERYBUF: - { - struct v4l2_buffer b; +static int +sn9c102_vidioc_querybuf(struct sn9c102_device* cam, void __user * arg) +{ + struct v4l2_buffer b; - if (copy_from_user(&b, arg, sizeof(b))) - return -EFAULT; + if (copy_from_user(&b, arg, sizeof(b))) + return -EFAULT; - if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - b.index >= cam->nbuffers || cam->io != IO_MMAP) - return -EINVAL; + if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + b.index >= cam->nbuffers || cam->io != IO_MMAP) + return -EINVAL; - memcpy(&b, &cam->frame[b.index].buf, sizeof(b)); + memcpy(&b, &cam->frame[b.index].buf, sizeof(b)); - if (cam->frame[b.index].vma_use_count) - b.flags |= V4L2_BUF_FLAG_MAPPED; + if (cam->frame[b.index].vma_use_count) + b.flags |= V4L2_BUF_FLAG_MAPPED; - if (cam->frame[b.index].state == F_DONE) - b.flags |= V4L2_BUF_FLAG_DONE; - else if (cam->frame[b.index].state != F_UNUSED) - b.flags |= V4L2_BUF_FLAG_QUEUED; + if (cam->frame[b.index].state == F_DONE) + b.flags |= V4L2_BUF_FLAG_DONE; + else if (cam->frame[b.index].state != F_UNUSED) + b.flags |= V4L2_BUF_FLAG_QUEUED; - if (copy_to_user(arg, &b, sizeof(b))) - return -EFAULT; + if (copy_to_user(arg, &b, sizeof(b))) + return -EFAULT; - return 0; - } + return 0; +} - case VIDIOC_QBUF: - { - struct v4l2_buffer b; - unsigned long lock_flags; - if (copy_from_user(&b, arg, sizeof(b))) - return -EFAULT; +static int +sn9c102_vidioc_qbuf(struct sn9c102_device* cam, void __user * arg) +{ + struct v4l2_buffer b; + unsigned long lock_flags; - if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - b.index >= cam->nbuffers || cam->io != IO_MMAP) - return -EINVAL; + if (copy_from_user(&b, arg, sizeof(b))) + return -EFAULT; - if (cam->frame[b.index].state != F_UNUSED) - return -EINVAL; + if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + b.index >= cam->nbuffers || cam->io != IO_MMAP) + return -EINVAL; - cam->frame[b.index].state = F_QUEUED; + if (cam->frame[b.index].state != F_UNUSED) + return -EINVAL; - spin_lock_irqsave(&cam->queue_lock, lock_flags); - list_add_tail(&cam->frame[b.index].frame, &cam->inqueue); - spin_unlock_irqrestore(&cam->queue_lock, lock_flags); + cam->frame[b.index].state = F_QUEUED; - PDBGG("Frame #%lu queued", (unsigned long)b.index) + spin_lock_irqsave(&cam->queue_lock, lock_flags); + list_add_tail(&cam->frame[b.index].frame, &cam->inqueue); + spin_unlock_irqrestore(&cam->queue_lock, lock_flags); - return 0; - } + PDBGG("Frame #%lu queued", (unsigned long)b.index); - case VIDIOC_DQBUF: - { - struct v4l2_buffer b; - struct sn9c102_frame_t *f; - unsigned long lock_flags; - int err = 0; + return 0; +} - if (copy_from_user(&b, arg, sizeof(b))) - return -EFAULT; - if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io!= IO_MMAP) +static int +sn9c102_vidioc_dqbuf(struct sn9c102_device* cam, struct file* filp, + void __user * arg) +{ + struct v4l2_buffer b; + struct sn9c102_frame_t *f; + unsigned long lock_flags; + int err = 0; + + if (copy_from_user(&b, arg, sizeof(b))) + return -EFAULT; + + if (b.type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io != IO_MMAP) + return -EINVAL; + + if (list_empty(&cam->outqueue)) { + if (cam->stream == STREAM_OFF) return -EINVAL; + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + err = wait_event_interruptible + ( cam->wait_frame, + (!list_empty(&cam->outqueue)) || + (cam->state & DEV_DISCONNECTED) || + (cam->state & DEV_MISCONFIGURED) ); + if (err) + return err; + if (cam->state & DEV_DISCONNECTED) + return -ENODEV; + if (cam->state & DEV_MISCONFIGURED) + return -EIO; + } - if (list_empty(&cam->outqueue)) { - if (cam->stream == STREAM_OFF) - return -EINVAL; - if (filp->f_flags & O_NONBLOCK) - return -EAGAIN; - err = wait_event_interruptible - ( cam->wait_frame, - (!list_empty(&cam->outqueue)) || - (cam->state & DEV_DISCONNECTED) || - (cam->state & DEV_MISCONFIGURED) ); - if (err) - return err; - if (cam->state & DEV_DISCONNECTED) - return -ENODEV; - if (cam->state & DEV_MISCONFIGURED) - return -EIO; - } + spin_lock_irqsave(&cam->queue_lock, lock_flags); + f = list_entry(cam->outqueue.next, struct sn9c102_frame_t, frame); + list_del(cam->outqueue.next); + spin_unlock_irqrestore(&cam->queue_lock, lock_flags); - spin_lock_irqsave(&cam->queue_lock, lock_flags); - f = list_entry(cam->outqueue.next, struct sn9c102_frame_t, - frame); - list_del(cam->outqueue.next); - spin_unlock_irqrestore(&cam->queue_lock, lock_flags); + f->state = F_UNUSED; - f->state = F_UNUSED; + memcpy(&b, &f->buf, sizeof(b)); + if (f->vma_use_count) + b.flags |= V4L2_BUF_FLAG_MAPPED; - memcpy(&b, &f->buf, sizeof(b)); - if (f->vma_use_count) - b.flags |= V4L2_BUF_FLAG_MAPPED; + if (copy_to_user(arg, &b, sizeof(b))) + return -EFAULT; - if (copy_to_user(arg, &b, sizeof(b))) - return -EFAULT; + PDBGG("Frame #%lu dequeued", (unsigned long)f->buf.index); - PDBGG("Frame #%lu dequeued", (unsigned long)f->buf.index) + return 0; +} - return 0; - } - case VIDIOC_STREAMON: - { - int type; +static int +sn9c102_vidioc_streamon(struct sn9c102_device* cam, void __user * arg) +{ + int type; - if (copy_from_user(&type, arg, sizeof(type))) - return -EFAULT; + if (copy_from_user(&type, arg, sizeof(type))) + return -EFAULT; - if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io != IO_MMAP) - return -EINVAL; + if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io != IO_MMAP) + return -EINVAL; - if (list_empty(&cam->inqueue)) - return -EINVAL; + if (list_empty(&cam->inqueue)) + return -EINVAL; - cam->stream = STREAM_ON; + cam->stream = STREAM_ON; - DBG(3, "Stream on") + DBG(3, "Stream on"); - return 0; - } + return 0; +} - case VIDIOC_STREAMOFF: - { - int type, err; - if (copy_from_user(&type, arg, sizeof(type))) - return -EFAULT; +static int +sn9c102_vidioc_streamoff(struct sn9c102_device* cam, void __user * arg) +{ + int type, err; - if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io != IO_MMAP) - return -EINVAL; + if (copy_from_user(&type, arg, sizeof(type))) + return -EFAULT; - if (cam->stream == STREAM_ON) - if ((err = sn9c102_stream_interrupt(cam))) - return err; + if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE || cam->io != IO_MMAP) + return -EINVAL; - sn9c102_empty_framequeues(cam); + if (cam->stream == STREAM_ON) + if ((err = sn9c102_stream_interrupt(cam))) + return err; - DBG(3, "Stream off") + sn9c102_empty_framequeues(cam); - return 0; - } + DBG(3, "Stream off"); - case VIDIOC_G_PARM: - { - struct v4l2_streamparm sp; + return 0; +} - if (copy_from_user(&sp, arg, sizeof(sp))) - return -EFAULT; - if (sp.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; +static int +sn9c102_vidioc_g_parm(struct sn9c102_device* cam, void __user * arg) +{ + struct v4l2_streamparm sp; + + if (copy_from_user(&sp, arg, sizeof(sp))) + return -EFAULT; + + if (sp.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + sp.parm.capture.extendedmode = 0; + sp.parm.capture.readbuffers = cam->nreadbuffers; + + if (copy_to_user(arg, &sp, sizeof(sp))) + return -EFAULT; + + return 0; +} + + +static int +sn9c102_vidioc_s_parm(struct sn9c102_device* cam, void __user * arg) +{ + struct v4l2_streamparm sp; + + if (copy_from_user(&sp, arg, sizeof(sp))) + return -EFAULT; + + if (sp.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + sp.parm.capture.extendedmode = 0; - sp.parm.capture.extendedmode = 0; + if (sp.parm.capture.readbuffers == 0) sp.parm.capture.readbuffers = cam->nreadbuffers; - if (copy_to_user(arg, &sp, sizeof(sp))) - return -EFAULT; + if (sp.parm.capture.readbuffers > SN9C102_MAX_FRAMES) + sp.parm.capture.readbuffers = SN9C102_MAX_FRAMES; - return 0; - } + if (copy_to_user(arg, &sp, sizeof(sp))) + return -EFAULT; - case VIDIOC_S_PARM_OLD: - case VIDIOC_S_PARM: - { - struct v4l2_streamparm sp; + cam->nreadbuffers = sp.parm.capture.readbuffers; - if (copy_from_user(&sp, arg, sizeof(sp))) - return -EFAULT; + return 0; +} - if (sp.type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - sp.parm.capture.extendedmode = 0; +static int sn9c102_ioctl_v4l2(struct inode* inode, struct file* filp, + unsigned int cmd, void __user * arg) +{ + struct sn9c102_device* cam = video_get_drvdata(video_devdata(filp)); + + switch (cmd) { + + case VIDIOC_QUERYCAP: + return sn9c102_vidioc_querycap(cam, arg); - if (sp.parm.capture.readbuffers == 0) - sp.parm.capture.readbuffers = cam->nreadbuffers; + case VIDIOC_ENUMINPUT: + return sn9c102_vidioc_enuminput(cam, arg); - if (sp.parm.capture.readbuffers > SN9C102_MAX_FRAMES) - sp.parm.capture.readbuffers = SN9C102_MAX_FRAMES; + case VIDIOC_G_INPUT: + case VIDIOC_S_INPUT: + return sn9c102_vidioc_gs_input(cam, arg); - if (copy_to_user(arg, &sp, sizeof(sp))) - return -EFAULT; + case VIDIOC_QUERYCTRL: + return sn9c102_vidioc_query_ctrl(cam, arg); - cam->nreadbuffers = sp.parm.capture.readbuffers; + case VIDIOC_G_CTRL: + return sn9c102_vidioc_g_ctrl(cam, arg); - return 0; - } + case VIDIOC_S_CTRL_OLD: + case VIDIOC_S_CTRL: + return sn9c102_vidioc_s_ctrl(cam, arg); + + case VIDIOC_CROPCAP_OLD: + case VIDIOC_CROPCAP: + return sn9c102_vidioc_cropcap(cam, arg); + + case VIDIOC_G_CROP: + return sn9c102_vidioc_g_crop(cam, arg); + + case VIDIOC_S_CROP: + return sn9c102_vidioc_s_crop(cam, arg); + + case VIDIOC_ENUM_FMT: + return sn9c102_vidioc_enum_fmt(cam, arg); + + case VIDIOC_G_FMT: + return sn9c102_vidioc_g_fmt(cam, arg); + + case VIDIOC_TRY_FMT: + case VIDIOC_S_FMT: + return sn9c102_vidioc_try_s_fmt(cam, cmd, arg); + + case VIDIOC_G_JPEGCOMP: + return sn9c102_vidioc_g_jpegcomp(cam, arg); + + case VIDIOC_S_JPEGCOMP: + return sn9c102_vidioc_s_jpegcomp(cam, arg); + + case VIDIOC_REQBUFS: + return sn9c102_vidioc_reqbufs(cam, arg); + + case VIDIOC_QUERYBUF: + return sn9c102_vidioc_querybuf(cam, arg); + + case VIDIOC_QBUF: + return sn9c102_vidioc_qbuf(cam, arg); + + case VIDIOC_DQBUF: + return sn9c102_vidioc_dqbuf(cam, filp, arg); + + case VIDIOC_STREAMON: + return sn9c102_vidioc_streamon(cam, arg); + + case VIDIOC_STREAMOFF: + return sn9c102_vidioc_streamoff(cam, arg); + + case VIDIOC_G_PARM: + return sn9c102_vidioc_g_parm(cam, arg); + + case VIDIOC_S_PARM_OLD: + case VIDIOC_S_PARM: + return sn9c102_vidioc_s_parm(cam, arg); case VIDIOC_G_STD: case VIDIOC_S_STD: @@ -2499,17 +2659,20 @@ static int sn9c102_ioctl(struct inode* inode, struct file* filp, return -ERESTARTSYS; if (cam->state & DEV_DISCONNECTED) { - DBG(1, "Device not present") + DBG(1, "Device not present"); up(&cam->fileop_sem); return -ENODEV; } if (cam->state & DEV_MISCONFIGURED) { - DBG(1, "The camera is misconfigured. Close and open it again.") + DBG(1, "The camera is misconfigured. Close and open it " + "again."); up(&cam->fileop_sem); return -EIO; } + V4LDBG(3, "sn9c102", cmd); + err = sn9c102_ioctl_v4l2(inode, filp, cmd, (void __user *)arg); up(&cam->fileop_sem); @@ -2517,9 +2680,10 @@ static int sn9c102_ioctl(struct inode* inode, struct file* filp, return err; } +/*****************************************************************************/ static struct file_operations sn9c102_fops = { - .owner = THIS_MODULE, + .owner = THIS_MODULE, .open = sn9c102_open, .release = sn9c102_release, .ioctl = sn9c102_ioctl, @@ -2538,36 +2702,22 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) struct usb_device *udev = interface_to_usbdev(intf); struct sn9c102_device* cam; static unsigned int dev_nr = 0; - unsigned int i, n; + unsigned int i; int err = 0, r; - n = ARRAY_SIZE(sn9c102_id_table); - for (i = 0; i < n-1; i++) - if (le16_to_cpu(udev->descriptor.idVendor) == - sn9c102_id_table[i].idVendor && - le16_to_cpu(udev->descriptor.idProduct) == - sn9c102_id_table[i].idProduct) - break; - if (i == n-1) - return -ENODEV; - - if (!(cam = kmalloc(sizeof(struct sn9c102_device), GFP_KERNEL))) + if (!(cam = kzalloc(sizeof(struct sn9c102_device), GFP_KERNEL))) return -ENOMEM; - memset(cam, 0, sizeof(*cam)); cam->usbdev = udev; - memcpy(&cam->dev, &udev->dev, sizeof(struct device)); - - if (!(cam->control_buffer = kmalloc(8, GFP_KERNEL))) { - DBG(1, "kmalloc() failed") + if (!(cam->control_buffer = kzalloc(8, GFP_KERNEL))) { + DBG(1, "kmalloc() failed"); err = -ENOMEM; goto fail; } - memset(cam->control_buffer, 0, 8); if (!(cam->v4ldev = video_device_alloc())) { - DBG(1, "video_device_alloc() failed") + DBG(1, "video_device_alloc() failed"); err = -ENOMEM; goto fail; } @@ -2577,25 +2727,22 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) r = sn9c102_read_reg(cam, 0x00); if (r < 0 || r != 0x10) { DBG(1, "Sorry, this is not a SN9C10x based camera " - "(vid/pid 0x%04X/0x%04X)", - sn9c102_id_table[i].idVendor,sn9c102_id_table[i].idProduct) + "(vid/pid 0x%04X/0x%04X)", id->idVendor, id->idProduct); err = -ENODEV; goto fail; } - cam->bridge = (sn9c102_id_table[i].idProduct & 0xffc0) == 0x6080 ? + cam->bridge = (id->idProduct & 0xffc0) == 0x6080 ? BRIDGE_SN9C103 : BRIDGE_SN9C102; switch (cam->bridge) { case BRIDGE_SN9C101: case BRIDGE_SN9C102: DBG(2, "SN9C10[12] PC Camera Controller detected " - "(vid/pid 0x%04X/0x%04X)", sn9c102_id_table[i].idVendor, - sn9c102_id_table[i].idProduct) + "(vid/pid 0x%04X/0x%04X)", id->idVendor, id->idProduct); break; case BRIDGE_SN9C103: DBG(2, "SN9C103 PC Camera Controller detected " - "(vid/pid 0x%04X/0x%04X)", sn9c102_id_table[i].idVendor, - sn9c102_id_table[i].idProduct) + "(vid/pid 0x%04X/0x%04X)", id->idVendor, id->idProduct); break; } @@ -2606,24 +2753,24 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) } if (!err && cam->sensor) { - DBG(2, "%s image sensor detected", cam->sensor->name) + DBG(2, "%s image sensor detected", cam->sensor->name); DBG(3, "Support for %s maintained by %s", - cam->sensor->name, cam->sensor->maintainer) + cam->sensor->name, cam->sensor->maintainer); } else { - DBG(1, "No supported image sensor detected") + DBG(1, "No supported image sensor detected"); err = -ENODEV; goto fail; } if (sn9c102_init(cam)) { - DBG(1, "Initialization failed. I will retry on open().") + DBG(1, "Initialization failed. I will retry on open()."); cam->state |= DEV_MISCONFIGURED; } strcpy(cam->v4ldev->name, "SN9C10x PC Camera"); cam->v4ldev->owner = THIS_MODULE; cam->v4ldev->type = VID_TYPE_CAPTURE | VID_TYPE_SCALES; - cam->v4ldev->hardware = VID_HARDWARE_SN9C102; + cam->v4ldev->hardware = 0; cam->v4ldev->fops = &sn9c102_fops; cam->v4ldev->minor = video_nr[dev_nr]; cam->v4ldev->release = video_device_release; @@ -2634,23 +2781,25 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id) err = video_register_device(cam->v4ldev, VFL_TYPE_GRABBER, video_nr[dev_nr]); if (err) { - DBG(1, "V4L2 device registration failed") + DBG(1, "V4L2 device registration failed"); if (err == -ENFILE && video_nr[dev_nr] == -1) - DBG(1, "Free /dev/videoX node not found") + DBG(1, "Free /dev/videoX node not found"); video_nr[dev_nr] = -1; dev_nr = (dev_nr < SN9C102_MAX_DEVICES-1) ? dev_nr+1 : 0; up(&cam->dev_sem); goto fail; } - DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->minor) + DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->minor); cam->module_param.force_munmap = force_munmap[dev_nr]; dev_nr = (dev_nr < SN9C102_MAX_DEVICES-1) ? dev_nr+1 : 0; +#ifdef CONFIG_VIDEO_ADV_DEBUG sn9c102_create_sysfs(cam); - DBG(2, "Optional device control through 'sysfs' interface ready") + DBG(2, "Optional device control through 'sysfs' interface ready"); +#endif usb_set_intfdata(intf, cam); @@ -2680,14 +2829,14 @@ static void sn9c102_usb_disconnect(struct usb_interface* intf) down(&cam->dev_sem); - DBG(2, "Disconnecting %s...", cam->v4ldev->name) + DBG(2, "Disconnecting %s...", cam->v4ldev->name); wake_up_interruptible_all(&cam->open); if (cam->users) { DBG(2, "Device /dev/video%d is open! Deregistration and " "memory deallocation are deferred on close.", - cam->v4ldev->minor) + cam->v4ldev->minor); cam->state |= DEV_MISCONFIGURED; sn9c102_stop_transfer(cam); cam->state |= DEV_DISCONNECTED; @@ -2720,11 +2869,11 @@ static int __init sn9c102_module_init(void) { int err = 0; - KDBG(2, SN9C102_MODULE_NAME " v" SN9C102_MODULE_VERSION) - KDBG(3, SN9C102_MODULE_AUTHOR) + KDBG(2, SN9C102_MODULE_NAME " v" SN9C102_MODULE_VERSION); + KDBG(3, SN9C102_MODULE_AUTHOR); if ((err = usb_register(&sn9c102_usb_driver))) - KDBG(1, "usb_register() failed") + KDBG(1, "usb_register() failed"); return err; } diff --git a/drivers/usb/media/sn9c102_hv7131d.c b/drivers/usb/media/sn9c102_hv7131d.c index 18070d5333cf..46c12ec3ca62 100644 --- a/drivers/usb/media/sn9c102_hv7131d.c +++ b/drivers/usb/media/sn9c102_hv7131d.c @@ -2,7 +2,7 @@ * Plug-in for HV7131D image sensor connected to the SN9C10x PC Camera * * Controllers * * * - * Copyright (C) 2004-2005 by Luca Risolia <luca.risolia@studio.unibo.it> * + * Copyright (C) 2004-2006 by Luca Risolia <luca.risolia@studio.unibo.it> * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * diff --git a/drivers/usb/media/sn9c102_mi0343.c b/drivers/usb/media/sn9c102_mi0343.c index 86676abf3547..d9aa7a61095d 100644 --- a/drivers/usb/media/sn9c102_mi0343.c +++ b/drivers/usb/media/sn9c102_mi0343.c @@ -2,7 +2,7 @@ * Plug-in for MI-0343 image sensor connected to the SN9C10x PC Camera * * Controllers * * * - * Copyright (C) 2004-2005 by Luca Risolia <luca.risolia@studio.unibo.it> * + * Copyright (C) 2004-2006 by Luca Risolia <luca.risolia@studio.unibo.it> * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * diff --git a/drivers/usb/media/sn9c102_ov7630.c b/drivers/usb/media/sn9c102_ov7630.c index d27c5aedeaf8..4a36519b5af4 100644 --- a/drivers/usb/media/sn9c102_ov7630.c +++ b/drivers/usb/media/sn9c102_ov7630.c @@ -2,7 +2,7 @@ * Plug-in for OV7630 image sensor connected to the SN9C10x PC Camera * * Controllers * * * - * Copyright (C) 2005 by Luca Risolia <luca.risolia@studio.unibo.it> * + * Copyright (C) 2005-2006 by Luca Risolia <luca.risolia@studio.unibo.it> * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * @@ -375,8 +375,10 @@ int sn9c102_probe_ov7630(struct sn9c102_device* cam) sn9c102_attach_sensor(cam, &ov7630); - if (le16_to_cpu(ov7630.usbdev->descriptor.idProduct) != 0x608f && - le16_to_cpu(ov7630.usbdev->descriptor.idProduct) != 0x602c) + if (le16_to_cpu(ov7630.usbdev->descriptor.idProduct) != 0x602c && + le16_to_cpu(ov7630.usbdev->descriptor.idProduct) != 0x602d && + le16_to_cpu(ov7630.usbdev->descriptor.idProduct) != 0x608f && + le16_to_cpu(ov7630.usbdev->descriptor.idProduct) != 0x60b0) return -ENODEV; err += sn9c102_write_reg(cam, 0x01, 0x01); diff --git a/drivers/usb/media/sn9c102_pas106b.c b/drivers/usb/media/sn9c102_pas106b.c index 48e3ec39d4e2..b1dee78abe04 100644 --- a/drivers/usb/media/sn9c102_pas106b.c +++ b/drivers/usb/media/sn9c102_pas106b.c @@ -2,7 +2,7 @@ * Plug-in for PAS106B image sensor connected to the SN9C10x PC Camera * * Controllers * * * - * Copyright (C) 2004-2005 by Luca Risolia <luca.risolia@studio.unibo.it> * + * Copyright (C) 2004-2006 by Luca Risolia <luca.risolia@studio.unibo.it> * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * diff --git a/drivers/usb/media/sn9c102_sensor.h b/drivers/usb/media/sn9c102_sensor.h index a45166c3488c..7d953b24f2f2 100644 --- a/drivers/usb/media/sn9c102_sensor.h +++ b/drivers/usb/media/sn9c102_sensor.h @@ -1,7 +1,7 @@ /*************************************************************************** * API for image sensors connected to the SN9C10x PC Camera Controllers * * * - * Copyright (C) 2004-2005 by Luca Risolia <luca.risolia@studio.unibo.it> * + * Copyright (C) 2004-2006 by Luca Risolia <luca.risolia@studio.unibo.it> * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * @@ -92,7 +92,18 @@ extern void sn9c102_attach_sensor(struct sn9c102_device* cam, struct sn9c102_sensor* sensor); -/* Each SN9C10X camera has proper PID/VID identifiers. Add them here in case.*/ +/* + Each SN9C10x camera has proper PID/VID identifiers. + SN9C103 supports multiple interfaces, but we only handle the video class + interface. +*/ +#define SN9C102_USB_DEVICE(vend, prod, intclass) \ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ + USB_DEVICE_ID_MATCH_INT_CLASS, \ + .idVendor = (vend), \ + .idProduct = (prod), \ + .bInterfaceClass = (intclass) + #define SN9C102_ID_TABLE \ static const struct usb_device_id sn9c102_id_table[] = { \ { USB_DEVICE(0x0c45, 0x6001), }, /* TAS5110C1B */ \ @@ -107,33 +118,34 @@ static const struct usb_device_id sn9c102_id_table[] = { \ { USB_DEVICE(0x0c45, 0x602b), }, /* MI-0343 */ \ { USB_DEVICE(0x0c45, 0x602c), }, /* OV7630 */ \ { USB_DEVICE(0x0c45, 0x602d), }, \ + { USB_DEVICE(0x0c45, 0x602e), }, /* OV7630 */ \ { USB_DEVICE(0x0c45, 0x6030), }, /* MI03x */ \ - { USB_DEVICE(0x0c45, 0x6080), }, \ - { USB_DEVICE(0x0c45, 0x6082), }, /* MI0343 and MI0360 */ \ - { USB_DEVICE(0x0c45, 0x6083), }, /* HV7131[D|E1] */ \ - { USB_DEVICE(0x0c45, 0x6088), }, \ - { USB_DEVICE(0x0c45, 0x608a), }, \ - { USB_DEVICE(0x0c45, 0x608b), }, \ - { USB_DEVICE(0x0c45, 0x608c), }, /* HV7131x */ \ - { USB_DEVICE(0x0c45, 0x608e), }, /* CIS-VF10 */ \ - { USB_DEVICE(0x0c45, 0x608f), }, /* OV7630 */ \ - { USB_DEVICE(0x0c45, 0x60a0), }, \ - { USB_DEVICE(0x0c45, 0x60a2), }, \ - { USB_DEVICE(0x0c45, 0x60a3), }, \ - { USB_DEVICE(0x0c45, 0x60a8), }, /* PAS106B */ \ - { USB_DEVICE(0x0c45, 0x60aa), }, /* TAS5130D1B */ \ - { USB_DEVICE(0x0c45, 0x60ab), }, /* TAS5110C1B */ \ - { USB_DEVICE(0x0c45, 0x60ac), }, \ - { USB_DEVICE(0x0c45, 0x60ae), }, \ - { USB_DEVICE(0x0c45, 0x60af), }, /* PAS202BCB */ \ - { USB_DEVICE(0x0c45, 0x60b0), }, \ - { USB_DEVICE(0x0c45, 0x60b2), }, \ - { USB_DEVICE(0x0c45, 0x60b3), }, \ - { USB_DEVICE(0x0c45, 0x60b8), }, \ - { USB_DEVICE(0x0c45, 0x60ba), }, \ - { USB_DEVICE(0x0c45, 0x60bb), }, \ - { USB_DEVICE(0x0c45, 0x60bc), }, \ - { USB_DEVICE(0x0c45, 0x60be), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x6080, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x6082, 0xff), }, /* MI0343 & MI0360 */ \ + { SN9C102_USB_DEVICE(0x0c45, 0x6083, 0xff), }, /* HV7131[D|E1] */ \ + { SN9C102_USB_DEVICE(0x0c45, 0x6088, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x608a, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x608b, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x608c, 0xff), }, /* HV7131x */ \ + { SN9C102_USB_DEVICE(0x0c45, 0x608e, 0xff), }, /* CIS-VF10 */ \ + { SN9C102_USB_DEVICE(0x0c45, 0x608f, 0xff), }, /* OV7630 */ \ + { SN9C102_USB_DEVICE(0x0c45, 0x60a0, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60a2, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60a3, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60a8, 0xff), }, /* PAS106B */ \ + { SN9C102_USB_DEVICE(0x0c45, 0x60aa, 0xff), }, /* TAS5130D1B */ \ + { SN9C102_USB_DEVICE(0x0c45, 0x60ab, 0xff), }, /* TAS5110C1B */ \ + { SN9C102_USB_DEVICE(0x0c45, 0x60ac, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60ae, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60af, 0xff), }, /* PAS202BCB */ \ + { SN9C102_USB_DEVICE(0x0c45, 0x60b0, 0xff), }, /* OV7630 (?) */ \ + { SN9C102_USB_DEVICE(0x0c45, 0x60b2, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60b3, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60b8, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60ba, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60bb, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60bc, 0xff), }, \ + { SN9C102_USB_DEVICE(0x0c45, 0x60be, 0xff), }, \ { } \ }; @@ -177,16 +189,18 @@ extern int sn9c102_i2c_write(struct sn9c102_device*, u8 address, u8 value); extern int sn9c102_i2c_read(struct sn9c102_device*, u8 address); /* I/O on registers in the bridge. Could be used by the sensor methods too */ +extern int sn9c102_write_regs(struct sn9c102_device*, u8* buff, u16 index); extern int sn9c102_write_reg(struct sn9c102_device*, u8 value, u16 index); extern int sn9c102_pread_reg(struct sn9c102_device*, u16 index); /* NOTE: there are no exported debugging functions. To uniform the output you must use the dev_info()/dev_warn()/dev_err() macros defined in device.h, - already included here, the argument being the struct device 'dev' of the - sensor structure. Do NOT use these macros before the sensor is attached or - the kernel will crash! However, you should not need to notify the user about - common errors or other messages, since this is done by the master module. + already included here, the argument being the struct device '&usbdev->dev' + of the sensor structure. Do NOT use these macros before the sensor is + attached or the kernel will crash! However, you should not need to notify + the user about common errors or other messages, since this is done by the + master module. */ /*****************************************************************************/ @@ -345,13 +359,6 @@ struct sn9c102_sensor { error code without rolling back. */ - const struct device* dev; - /* - This is the argument for dev_err(), dev_info() and dev_warn(). It - is used for debugging purposes. You must not access the struct - before the sensor is attached. - */ - const struct usb_device* usbdev; /* Points to the usb_device struct after the sensor is attached. diff --git a/drivers/usb/media/sn9c102_tas5110c1b.c b/drivers/usb/media/sn9c102_tas5110c1b.c index 8775999b5aff..32ddf236cafe 100644 --- a/drivers/usb/media/sn9c102_tas5110c1b.c +++ b/drivers/usb/media/sn9c102_tas5110c1b.c @@ -2,7 +2,7 @@ * Plug-in for TAS5110C1B image sensor connected to the SN9C10x PC Camera * * Controllers * * * - * Copyright (C) 2004-2005 by Luca Risolia <luca.risolia@studio.unibo.it> * + * Copyright (C) 2004-2006 by Luca Risolia <luca.risolia@studio.unibo.it> * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * diff --git a/drivers/usb/media/sn9c102_tas5130d1b.c b/drivers/usb/media/sn9c102_tas5130d1b.c index 927eafdd8c73..a0728f0ae00c 100644 --- a/drivers/usb/media/sn9c102_tas5130d1b.c +++ b/drivers/usb/media/sn9c102_tas5130d1b.c @@ -2,7 +2,7 @@ * Plug-in for TAS5130D1B image sensor connected to the SN9C10x PC Camera * * Controllers * * * - * Copyright (C) 2004-2005 by Luca Risolia <luca.risolia@studio.unibo.it> * + * Copyright (C) 2004-2006 by Luca Risolia <luca.risolia@studio.unibo.it> * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * diff --git a/drivers/usb/media/w9968cf.c b/drivers/usb/media/w9968cf.c index bff9434c8e55..9937fc64c8bf 100644 --- a/drivers/usb/media/w9968cf.c +++ b/drivers/usb/media/w9968cf.c @@ -62,7 +62,6 @@ MODULE_LICENSE(W9968CF_MODULE_LICENSE); MODULE_SUPPORTED_DEVICE("Video"); static int ovmod_load = W9968CF_OVMOD_LOAD; -static int vppmod_load = W9968CF_VPPMOD_LOAD; static unsigned short simcams = W9968CF_SIMCAMS; static short video_nr[]={[0 ... W9968CF_MAX_DEVICES-1] = -1}; /*-1=first free*/ static unsigned int packet_size[] = {[0 ... W9968CF_MAX_DEVICES-1] = @@ -107,7 +106,6 @@ static unsigned int param_nv[24]; /* number of values per parameter */ #ifdef CONFIG_KMOD module_param(ovmod_load, bool, 0644); -module_param(vppmod_load, bool, 0444); #endif module_param(simcams, ushort, 0644); module_param_array(video_nr, short, ¶m_nv[0], 0444); @@ -150,18 +148,6 @@ MODULE_PARM_DESC(ovmod_load, "\ninto memory." "\nDefault value is "__MODULE_STRING(W9968CF_OVMOD_LOAD)"." "\n"); -MODULE_PARM_DESC(vppmod_load, - "\n<0|1> Automatic 'w9968cf-vpp' module loading." - "\n0 disabled, 1 enabled." - "\nIf enabled, every time an application attempts to open a" - "\ncamera, 'insmod' searches for the video post-processing" - "\nmodule in the system and loads it automatically (if" - "\npresent). The optional 'w9968cf-vpp' module adds extra" - "\n image manipulation functions to the 'w9968cf' module,like" - "\nsoftware up-scaling,colour conversions and video decoding" - "\nfor very high frame rates." - "\nDefault value is "__MODULE_STRING(W9968CF_VPPMOD_LOAD)"." - "\n"); #endif MODULE_PARM_DESC(simcams, "\n<n> Number of cameras allowed to stream simultaneously." @@ -492,10 +478,6 @@ static void w9968cf_push_frame(struct w9968cf_device*, u8 f_num); static void w9968cf_pop_frame(struct w9968cf_device*,struct w9968cf_frame_t**); static void w9968cf_release_resources(struct w9968cf_device*); -/* Intermodule communication */ -static int w9968cf_vppmod_detect(struct w9968cf_device*); -static void w9968cf_vppmod_release(struct w9968cf_device*); - /**************************************************************************** @@ -2737,9 +2719,7 @@ static int w9968cf_open(struct inode* inode, struct file* filp) cam->streaming = 0; cam->misconfigured = 0; - if (!w9968cf_vpp) - if ((err = w9968cf_vppmod_detect(cam))) - goto out; + w9968cf_adjust_configuration(cam); if ((err = w9968cf_allocate_memory(cam))) goto deallocate_memory; @@ -2766,7 +2746,6 @@ static int w9968cf_open(struct inode* inode, struct file* filp) deallocate_memory: w9968cf_deallocate_memory(cam); -out: DBG(2, "Failed to open the video device") up(&cam->dev_sem); up_read(&w9968cf_disconnect); @@ -2784,8 +2763,6 @@ static int w9968cf_release(struct inode* inode, struct file* filp) w9968cf_stop_transfer(cam); - w9968cf_vppmod_release(cam); - if (cam->disconnected) { w9968cf_release_resources(cam); up(&cam->dev_sem); @@ -3681,106 +3658,6 @@ static struct usb_driver w9968cf_usb_driver = { * Module init, exit and intermodule communication * ****************************************************************************/ -static int w9968cf_vppmod_detect(struct w9968cf_device* cam) -{ - if (!w9968cf_vpp) - if (vppmod_load) - request_module("w9968cf-vpp"); - - down(&w9968cf_vppmod_lock); - - if (!w9968cf_vpp) { - DBG(4, "Video post-processing module not detected") - w9968cf_adjust_configuration(cam); - goto out; - } - - if (!try_module_get(w9968cf_vpp->owner)) { - DBG(1, "Couldn't increment the reference count of " - "the video post-processing module") - up(&w9968cf_vppmod_lock); - return -ENOSYS; - } - - w9968cf_vpp->busy++; - - DBG(5, "Video post-processing module detected") - -out: - up(&w9968cf_vppmod_lock); - return 0; -} - - -static void w9968cf_vppmod_release(struct w9968cf_device* cam) -{ - down(&w9968cf_vppmod_lock); - - if (w9968cf_vpp && w9968cf_vpp->busy) { - module_put(w9968cf_vpp->owner); - w9968cf_vpp->busy--; - wake_up(&w9968cf_vppmod_wait); - DBG(5, "Video post-processing module released") - } - - up(&w9968cf_vppmod_lock); -} - - -int w9968cf_vppmod_register(struct w9968cf_vpp_t* vpp) -{ - down(&w9968cf_vppmod_lock); - - if (w9968cf_vpp) { - KDBG(1, "Video post-processing module already registered") - up(&w9968cf_vppmod_lock); - return -EINVAL; - } - - w9968cf_vpp = vpp; - w9968cf_vpp->busy = 0; - - KDBG(2, "Video post-processing module registered") - up(&w9968cf_vppmod_lock); - return 0; -} - - -int w9968cf_vppmod_deregister(struct w9968cf_vpp_t* vpp) -{ - down(&w9968cf_vppmod_lock); - - if (!w9968cf_vpp) { - up(&w9968cf_vppmod_lock); - return -EINVAL; - } - - if (w9968cf_vpp != vpp) { - KDBG(1, "Only the owner can unregister the video " - "post-processing module") - up(&w9968cf_vppmod_lock); - return -EINVAL; - } - - if (w9968cf_vpp->busy) { - KDBG(2, "Video post-processing module busy. Wait for it to be " - "released...") - up(&w9968cf_vppmod_lock); - wait_event(w9968cf_vppmod_wait, !w9968cf_vpp->busy); - w9968cf_vpp = NULL; - goto out; - } - - w9968cf_vpp = NULL; - - up(&w9968cf_vppmod_lock); - -out: - KDBG(2, "Video post-processing module unregistered") - return 0; -} - - static int __init w9968cf_module_init(void) { int err; @@ -3810,6 +3687,3 @@ static void __exit w9968cf_module_exit(void) module_init(w9968cf_module_init); module_exit(w9968cf_module_exit); - -EXPORT_SYMBOL(w9968cf_vppmod_register); -EXPORT_SYMBOL(w9968cf_vppmod_deregister); diff --git a/drivers/usb/media/w9968cf.h b/drivers/usb/media/w9968cf.h index 8acbfe205bc7..47a6ff794171 100644 --- a/drivers/usb/media/w9968cf.h +++ b/drivers/usb/media/w9968cf.h @@ -195,7 +195,6 @@ enum w9968cf_vpp_flag { }; static struct w9968cf_vpp_t* w9968cf_vpp; -static DECLARE_MUTEX(w9968cf_vppmod_lock); static DECLARE_WAIT_QUEUE_HEAD(w9968cf_vppmod_wait); static LIST_HEAD(w9968cf_dev_list); /* head of V4L registered cameras list */ diff --git a/drivers/usb/media/w9968cf_vpp.h b/drivers/usb/media/w9968cf_vpp.h index 3f5317dc4c29..f3b91b782671 100644 --- a/drivers/usb/media/w9968cf_vpp.h +++ b/drivers/usb/media/w9968cf_vpp.h @@ -37,7 +37,4 @@ struct w9968cf_vpp_t { u8 busy; /* read-only flag: module is/is not in use */ }; -extern int w9968cf_vppmod_register(struct w9968cf_vpp_t*); -extern int w9968cf_vppmod_deregister(struct w9968cf_vpp_t*); - #endif /* _W9968CF_VPP_H_ */ diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c index 449b2501acf3..ad2f4cccd388 100644 --- a/drivers/usb/misc/auerswald.c +++ b/drivers/usb/misc/auerswald.c @@ -2093,6 +2093,8 @@ static void auerswald_disconnect (struct usb_interface *intf) static struct usb_device_id auerswald_ids [] = { { USB_DEVICE (ID_AUERSWALD, 0x00C0) }, /* COMpact 2104 USB */ { USB_DEVICE (ID_AUERSWALD, 0x00DB) }, /* COMpact 4410/2206 USB */ + { USB_DEVICE (ID_AUERSWALD, 0x00DC) }, /* COMpact 4406 DSL */ + { USB_DEVICE (ID_AUERSWALD, 0x00DD) }, /* COMpact 2204 USB */ { USB_DEVICE (ID_AUERSWALD, 0x00F1) }, /* Comfort 2000 System Telephone */ { USB_DEVICE (ID_AUERSWALD, 0x00F2) }, /* Comfort 1200 System Telephone */ { } /* Terminating entry */ diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 981d8a5fbfd9..331d4ae949ed 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -593,7 +593,7 @@ static struct file_operations ld_usb_fops = { /* * usb class driver info in order to get a minor number from the usb core, - * and to have the device registered with devfs and the driver core + * and to have the device registered with the driver core */ static struct usb_class_driver ld_usb_class = { .name = "ldusb%d", diff --git a/drivers/usb/net/asix.c b/drivers/usb/net/asix.c index 541181695040..3094970615cb 100644 --- a/drivers/usb/net/asix.c +++ b/drivers/usb/net/asix.c @@ -916,6 +916,10 @@ static const struct usb_device_id products [] = { // Linksys USB200M Rev 2 USB_DEVICE (0x13b1, 0x0018), .driver_info = (unsigned long) &ax88772_info, +}, { + // 0Q0 cable ethernet + USB_DEVICE (0x1557, 0x7720), + .driver_info = (unsigned long) &ax88772_info, }, { }, // END }; diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c index da46b351e188..dc7a069503e0 100644 --- a/drivers/usb/serial/cp2101.c +++ b/drivers/usb/serial/cp2101.c @@ -32,7 +32,7 @@ /* * Version Information */ -#define DRIVER_VERSION "v0.05" +#define DRIVER_VERSION "v0.06" #define DRIVER_DESC "Silicon Labs CP2101/CP2102 RS232 serial adaptor driver" /* @@ -55,11 +55,15 @@ static int debug; static struct usb_device_id id_table [] = { { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */ - { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ - { USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */ - { USB_DEVICE(0x10C4, 0x80F6) }, /* Suunto sports instrument */ { USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */ - { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */ + { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */ + { USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */ + { USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */ + { USB_DEVICE(0x10C4, 0x80CA) }, /* Degree Controls Inc */ + { USB_DEVICE(0x10C4, 0x80F6) }, /* Suunto sports instrument */ + { USB_DEVICE(0x10C4, 0x813D) }, /* Burnside Telecom Deskmobile */ + { USB_DEVICE(0x10C4, 0x815E) }, /* Helicomm IP-Link 1220-DVM */ + { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ { USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */ { } /* Terminating Entry */ }; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 10bc1bf23b35..f2b4ca8692d8 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -476,10 +476,16 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) }, { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) }, { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) }, { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index 00d45f8600de..ca40f16370f1 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -31,9 +31,14 @@ #define FTDI_NF_RIC_VID 0x0DCD /* Vendor Id */ #define FTDI_NF_RIC_PID 0x0001 /* Product Id */ + /* www.irtrans.de device */ #define FTDI_IRTRANS_PID 0xFC60 /* Product Id */ + +/* www.thoughttechnology.com/ TT-USB provide with procomp use ftdi_sio */ +#define FTDI_TTUSB_PID 0xFF20 /* Product Id */ + /* www.crystalfontz.com devices - thanx for providing free devices for evaluation ! */ /* they use the ftdi chipset for the USB interface and the vendor id is the same */ #define FTDI_XF_632_PID 0xFC08 /* 632: 16x2 Character Display */ @@ -51,6 +56,12 @@ #define FTDI_VNHCPCUSB_D_PID 0xfe38 /* Product Id */ /* + * PCDJ use ftdi based dj-controllers. The following PID is for their DAC-2 device + * http://www.pcdjhardware.com/DAC2.asp (PID sent by Wouter Paesen) + * (the VID is the standard ftdi vid (FTDI_VID) */ +#define FTDI_PCDJ_DAC2_PID 0xFA88 + +/* * The following are the values for the Matrix Orbital LCD displays, * which are the FT232BM ( similar to the 8U232AM ) */ @@ -215,8 +226,10 @@ * Definitions for ATIK Instruments astronomical USB based cameras * Check it at http://www.atik-instruments.com/ */ -#define FTDI_ATIK_ATK16_PID 0xDF30 /* ATIK ATK-16 Camera */ -#define FTDI_ATIK_ATK16HR_PID 0xDF31 /* ATIK ATK-16HR Camera */ +#define FTDI_ATIK_ATK16_PID 0xDF30 /* ATIK ATK-16 Grayscale Camera */ +#define FTDI_ATIK_ATK16C_PID 0xDF32 /* ATIK ATK-16C Colour Camera */ +#define FTDI_ATIK_ATK16HR_PID 0xDF31 /* ATIK ATK-16HR Grayscale Camera */ +#define FTDI_ATIK_ATK16HRC_PID 0xDF33 /* ATIK ATK-16HRC Colour Camera */ /* * Protego product ids @@ -365,6 +378,12 @@ #define POSIFLEX_VID 0x0d3a /* Vendor ID */ #define POSIFLEX_PP7000_PID 0x0300 /* PP-7000II thermal printer */ +/* + * Westrex International devices submitted by Cory Lee + */ +#define FTDI_WESTREX_MODEL_777_PID 0xDC00 /* Model 777 */ +#define FTDI_WESTREX_MODEL_8900F_PID 0xDC01 /* Model 8900F */ + /* Commands */ #define FTDI_SIO_RESET 0 /* Reset the port */ #define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */ diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 0eb883f44ada..e8e575e037c1 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -73,7 +73,9 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X65) }, { USB_DEVICE(SIEMENS_VENDOR_ID, SIEMENS_PRODUCT_ID_X75) }, { USB_DEVICE(SYNTECH_VENDOR_ID, SYNTECH_PRODUCT_ID) }, - { USB_DEVICE( NOKIA_CA42_VENDOR_ID, NOKIA_CA42_PRODUCT_ID ) }, + { USB_DEVICE(NOKIA_CA42_VENDOR_ID, NOKIA_CA42_PRODUCT_ID ) }, + { USB_DEVICE(CA_42_CA42_VENDOR_ID, CA_42_CA42_PRODUCT_ID ) }, + { USB_DEVICE(SAGEM_VENDOR_ID, SAGEM_PRODUCT_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 21d434d81813..1807087a76e3 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -64,3 +64,10 @@ /* Nokia CA-42 Cable */ #define NOKIA_CA42_VENDOR_ID 0x078b #define NOKIA_CA42_PRODUCT_ID 0x1234 + +/* CA-42 CLONE Cable www.ca-42.com chipset: Prolific Technology Inc */ +#define CA_42_CA42_VENDOR_ID 0x10b5 +#define CA_42_CA42_PRODUCT_ID 0xac70 + +#define SAGEM_VENDOR_ID 0x079b +#define SAGEM_PRODUCT_ID 0x0027 diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c index 5b06f9240d05..ab173b30076e 100644 --- a/drivers/usb/storage/initializers.c +++ b/drivers/usb/storage/initializers.c @@ -45,6 +45,12 @@ #include "debug.h" #include "transport.h" +#define RIO_MSC 0x08 +#define RIOP_INIT "RIOP\x00\x01\x08" +#define RIOP_INIT_LEN 7 +#define RIO_SEND_LEN 40 +#define RIO_RECV_LEN 0x200 + /* This places the Shuttle/SCM USB<->SCSI bridge devices in multi-target * mode */ int usb_stor_euscsi_init(struct us_data *us) @@ -91,3 +97,70 @@ int usb_stor_ucr61s2b_init(struct us_data *us) return (res ? -1 : 0); } + +/* Place the Rio Karma into mass storage mode. + * + * The initialization begins by sending 40 bytes starting + * RIOP\x00\x01\x08\x00, which the device will ack with a 512-byte + * packet with the high four bits set and everything else null. + * + * Next, we send RIOP\x80\x00\x08\x00. Each time, a 512 byte response + * must be read, but we must loop until byte 5 in the response is 0x08, + * indicating success. */ +int rio_karma_init(struct us_data *us) +{ + int result, partial; + char *recv; + unsigned long timeout; + + // us->iobuf is big enough to hold cmd but not receive + if (!(recv = kmalloc(RIO_RECV_LEN, GFP_KERNEL))) + goto die_nomem; + + US_DEBUGP("Initializing Karma...\n"); + + memset(us->iobuf, 0, RIO_SEND_LEN); + memcpy(us->iobuf, RIOP_INIT, RIOP_INIT_LEN); + + result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, + us->iobuf, RIO_SEND_LEN, &partial); + if (result != USB_STOR_XFER_GOOD) + goto die; + + result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, + recv, RIO_RECV_LEN, &partial); + if (result != USB_STOR_XFER_GOOD) + goto die; + + us->iobuf[4] = 0x80; + us->iobuf[5] = 0; + timeout = jiffies + msecs_to_jiffies(3000); + for (;;) { + US_DEBUGP("Sending init command\n"); + result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, + us->iobuf, RIO_SEND_LEN, &partial); + if (result != USB_STOR_XFER_GOOD) + goto die; + + result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, + recv, RIO_RECV_LEN, &partial); + if (result != USB_STOR_XFER_GOOD) + goto die; + + if (recv[5] == RIO_MSC) + break; + if (time_after(jiffies, timeout)) + goto die; + msleep(10); + } + US_DEBUGP("Karma initialized.\n"); + kfree(recv); + return 0; + +die: + kfree(recv); +die_nomem: + US_DEBUGP("Could not initialize karma.\n"); + return USB_STOR_TRANSPORT_FAILED; +} + diff --git a/drivers/usb/storage/initializers.h b/drivers/usb/storage/initializers.h index 4c1b2bd2e2e4..f9907a5cf129 100644 --- a/drivers/usb/storage/initializers.h +++ b/drivers/usb/storage/initializers.h @@ -48,3 +48,4 @@ int usb_stor_euscsi_init(struct us_data *us); /* This function is required to activate all four slots on the UCR-61S2B * flash reader */ int usb_stor_ucr61s2b_init(struct us_data *us); +int rio_karma_init(struct us_data *us); diff --git a/drivers/usb/storage/libusual.c b/drivers/usb/storage/libusual.c index b28151d1b609..b1ec4a718547 100644 --- a/drivers/usb/storage/libusual.c +++ b/drivers/usb/storage/libusual.c @@ -116,7 +116,7 @@ EXPORT_SYMBOL_GPL(usb_usual_check_type); static int usu_probe(struct usb_interface *intf, const struct usb_device_id *id) { - int type; + unsigned long type; int rc; unsigned long flags; diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index dc301e567cfc..ee958f986eb8 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -145,6 +145,11 @@ UNUSUAL_DEV( 0x0451, 0x5416, 0x0100, 0x0100, US_SC_DEVICE, US_PR_BULK, NULL, US_FL_NEED_OVERRIDE ), +UNUSUAL_DEV( 0x045a, 0x5210, 0x0101, 0x0101, + "Rio", + "Rio Karma", + US_SC_SCSI, US_PR_BULK, rio_karma_init, 0), + /* Patch submitted by Philipp Friedrich <philipp@void.at> */ UNUSUAL_DEV( 0x0482, 0x0100, 0x0100, 0x0100, "Kyocera", @@ -424,11 +429,11 @@ UNUSUAL_DEV( 0x054c, 0x0010, 0x0106, 0x0450, US_FL_SINGLE_LUN | US_FL_NOT_LOCKABLE | US_FL_NO_WP_DETECT ), /* This entry is needed because the device reports Sub=ff */ -UNUSUAL_DEV( 0x054c, 0x0010, 0x0500, 0x0500, - "Sony", - "DSC-T1", - US_SC_8070, US_PR_DEVICE, NULL, - US_FL_SINGLE_LUN ), +UNUSUAL_DEV( 0x054c, 0x0010, 0x0500, 0x0600, + "Sony", + "DSC-T1/T5", + US_SC_8070, US_PR_DEVICE, NULL, + US_FL_SINGLE_LUN ), /* Reported by wim@geeks.nl */ diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c index 5d02f16b7d0e..4de9fb56ebfc 100644 --- a/drivers/usb/usb-skeleton.c +++ b/drivers/usb/usb-skeleton.c @@ -234,7 +234,7 @@ static struct file_operations skel_fops = { /* * usb class driver info in order to get a minor number from the usb core, - * and to have the device registered with devfs and the driver core + * and to have the device registered with the driver core */ static struct usb_class_driver skel_class = { .name = "skel%d", |