diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-video.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-video.c | 1557 |
1 files changed, 1557 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c new file mode 100644 index 000000000000..d3c4d2c5cbe0 --- /dev/null +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -0,0 +1,1557 @@ +/* + * Driver for the Conexant CX23885 PCIe bridge + * + * Copyright (c) 2007 Steven Toth <stoth@hauppauge.com> + * + * 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/init.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/kmod.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/kthread.h> +#include <asm/div64.h> + +#include "cx23885.h" +#include <media/v4l2-common.h> + +#ifdef CONFIG_VIDEO_V4L1_COMPAT +/* Include V4L1 specific functions. Should be removed soon */ +#include <linux/videodev.h> +#endif + +MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); +MODULE_AUTHOR("Steven Toth <stoth@hauppauge.com>"); +MODULE_LICENSE("GPL"); + +/* ------------------------------------------------------------------ */ + +static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; +static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; +static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; + +module_param_array(video_nr, int, NULL, 0444); +module_param_array(vbi_nr, int, NULL, 0444); +module_param_array(radio_nr, int, NULL, 0444); + +MODULE_PARM_DESC(video_nr, "video device numbers"); +MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); +MODULE_PARM_DESC(radio_nr, "radio device numbers"); + +static unsigned int video_debug; +module_param(video_debug, int, 0644); +MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); + +static unsigned int irq_debug; +module_param(irq_debug, int, 0644); +MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); + +static unsigned int vid_limit = 16; +module_param(vid_limit, int, 0644); +MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); + +#define dprintk(level, fmt, arg...)\ + do { if (video_debug >= level)\ + printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ + } while (0) + +/* ------------------------------------------------------------------- */ +/* static data */ + +#define FORMAT_FLAGS_PACKED 0x01 + +static struct cx23885_fmt formats[] = { + { + .name = "8 bpp, gray", + .fourcc = V4L2_PIX_FMT_GREY, + .depth = 8, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "15 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_RGB555, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "15 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB555X, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "16 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_RGB565, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "16 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB565X, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "24 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_BGR24, + .depth = 24, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "32 bpp RGB, le", + .fourcc = V4L2_PIX_FMT_BGR32, + .depth = 32, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "32 bpp RGB, be", + .fourcc = V4L2_PIX_FMT_RGB32, + .depth = 32, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "4:2:2, packed, YUYV", + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + }, { + .name = "4:2:2, packed, UYVY", + .fourcc = V4L2_PIX_FMT_UYVY, + .depth = 16, + .flags = FORMAT_FLAGS_PACKED, + }, +}; + +static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(formats); i++) + if (formats[i].fourcc == fourcc) + return formats+i; + + printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __FUNCTION__, fourcc); + return NULL; +} + +/* ------------------------------------------------------------------- */ + +static const struct v4l2_queryctrl no_ctl = { + .name = "42", + .flags = V4L2_CTRL_FLAG_DISABLED, +}; + +static struct cx23885_ctrl cx23885_ctls[] = { + /* --- video --- */ + { + .v = { + .id = V4L2_CID_BRIGHTNESS, + .name = "Brightness", + .minimum = 0x00, + .maximum = 0xff, + .step = 1, + .default_value = 0x7f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 128, + .reg = LUMA_CTRL, + .mask = 0x00ff, + .shift = 0, + }, { + .v = { + .id = V4L2_CID_CONTRAST, + .name = "Contrast", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0x3f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 0, + .reg = LUMA_CTRL, + .mask = 0xff00, + .shift = 8, + }, { + .v = { + .id = V4L2_CID_HUE, + .name = "Hue", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0x7f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 128, + .reg = CHROMA_CTRL, + .mask = 0xff0000, + .shift = 16, + }, { + /* strictly, this only describes only U saturation. + * V saturation is handled specially through code. + */ + .v = { + .id = V4L2_CID_SATURATION, + .name = "Saturation", + .minimum = 0, + .maximum = 0xff, + .step = 1, + .default_value = 0x7f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .off = 0, + .reg = CHROMA_CTRL, + .mask = 0x00ff, + .shift = 0, + }, { + /* --- audio --- */ + .v = { + .id = V4L2_CID_AUDIO_MUTE, + .name = "Mute", + .minimum = 0, + .maximum = 1, + .default_value = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + }, + .reg = PATH1_CTL1, + .mask = (0x1f << 24), + .shift = 24, + }, { + .v = { + .id = V4L2_CID_AUDIO_VOLUME, + .name = "Volume", + .minimum = 0, + .maximum = 0x3f, + .step = 1, + .default_value = 0x3f, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + .reg = PATH1_VOL_CTL, + .mask = 0xff, + .shift = 0, + } +}; +static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); + +const u32 cx23885_user_ctrls[] = { + V4L2_CID_USER_CLASS, + V4L2_CID_BRIGHTNESS, + V4L2_CID_CONTRAST, + V4L2_CID_SATURATION, + V4L2_CID_HUE, + V4L2_CID_AUDIO_VOLUME, + V4L2_CID_AUDIO_MUTE, + 0 +}; +EXPORT_SYMBOL(cx23885_user_ctrls); + +static const u32 *ctrl_classes[] = { + cx23885_user_ctrls, + NULL +}; + +void cx23885_video_wakeup(struct cx23885_dev *dev, + struct cx23885_dmaqueue *q, u32 count) +{ + struct cx23885_buffer *buf; + int bc; + + for (bc = 0;; bc++) { + if (list_empty(&q->active)) + break; + buf = list_entry(q->active.next, + struct cx23885_buffer, vb.queue); + + /* count comes from the hw and is is 16bit wide -- + * this trick handles wrap-arounds correctly for + * up to 32767 buffers in flight... */ + if ((s16) (count - buf->count) < 0) + break; + + do_gettimeofday(&buf->vb.ts); + dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, + count, buf->count); + buf->vb.state = VIDEOBUF_DONE; + list_del(&buf->vb.queue); + wake_up(&buf->vb.done); + } + if (list_empty(&q->active)) { + del_timer(&q->timeout); + } else { + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + } + if (bc != 1) + printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", + __FUNCTION__, bc); +} + +int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) +{ + dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", + __FUNCTION__, + (unsigned int)norm, + v4l2_norm_to_name(norm)); + + dev->tvnorm = norm; + + /* Tell the analog tuner/demods */ + cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_STD, &norm); + + /* Tell the internal A/V decoder */ + cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_STD, &norm); + + return 0; +} + +struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, + struct pci_dev *pci, + struct video_device *template, + char *type) +{ + struct video_device *vfd; + dprintk(1, "%s()\n", __FUNCTION__); + + vfd = video_device_alloc(); + if (NULL == vfd) + return NULL; + *vfd = *template; + vfd->minor = -1; + vfd->dev = &pci->dev; + vfd->release = video_device_release; + snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", + dev->name, type, cx23885_boards[dev->board].name); + return vfd; +} + +int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) +{ + int i; + + if (qctrl->id < V4L2_CID_BASE || + qctrl->id >= V4L2_CID_LASTP1) + return -EINVAL; + for (i = 0; i < CX23885_CTLS; i++) + if (cx23885_ctls[i].v.id == qctrl->id) + break; + if (i == CX23885_CTLS) { + *qctrl = no_ctl; + return 0; + } + *qctrl = cx23885_ctls[i].v; + return 0; +} +EXPORT_SYMBOL(cx23885_ctrl_query); + +/* ------------------------------------------------------------------- */ +/* resource management */ + +static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, + unsigned int bit) +{ + dprintk(1, "%s()\n", __FUNCTION__); + if (fh->resources & bit) + /* have it already allocated */ + return 1; + + /* is it free? */ + mutex_lock(&dev->lock); + if (dev->resources & bit) { + /* no, someone else uses it */ + mutex_unlock(&dev->lock); + return 0; + } + /* it's free, grab it */ + fh->resources |= bit; + dev->resources |= bit; + dprintk(1, "res: get %d\n", bit); + mutex_unlock(&dev->lock); + return 1; +} + +static int res_check(struct cx23885_fh *fh, unsigned int bit) +{ + return (fh->resources & bit); +} + +static int res_locked(struct cx23885_dev *dev, unsigned int bit) +{ + return (dev->resources & bit); +} + +static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, + unsigned int bits) +{ + BUG_ON((fh->resources & bits) != bits); + dprintk(1, "%s()\n", __FUNCTION__); + + mutex_lock(&dev->lock); + fh->resources &= ~bits; + dev->resources &= ~bits; + dprintk(1, "res: put %d\n", bits); + mutex_unlock(&dev->lock); +} + +int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) +{ + struct v4l2_routing route; + memset(&route, 0, sizeof(route)); + + dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", + __FUNCTION__, + input, INPUT(input)->vmux, + INPUT(input)->gpio0, INPUT(input)->gpio1, + INPUT(input)->gpio2, INPUT(input)->gpio3); + dev->input = input; + + route.input = INPUT(input)->vmux; + + /* Tell the internal A/V decoder */ + cx23885_call_i2c_clients(&dev->i2c_bus[2], + VIDIOC_INT_S_VIDEO_ROUTING, &route); + + return 0; +} +EXPORT_SYMBOL(cx23885_video_mux); + +/* ------------------------------------------------------------------ */ +int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, + unsigned int height, enum v4l2_field field) +{ + dprintk(1, "%s()\n", __FUNCTION__); + return 0; +} + +static int cx23885_start_video_dma(struct cx23885_dev *dev, + struct cx23885_dmaqueue *q, + struct cx23885_buffer *buf) +{ + dprintk(1, "%s()\n", __FUNCTION__); + + /* setup fifo + format */ + cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], + buf->bpl, buf->risc.dma); + cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field); + + /* reset counter */ + cx_write(VID_A_GPCNT_CTL, 3); + q->count = 1; + + /* enable irq */ + cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 0x01); + cx_set(VID_A_INT_MSK, 0x000011); + + /* start dma */ + cx_set(DEV_CNTRL2, (1<<5)); + cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ + + return 0; +} + + +static int cx23885_restart_video_queue(struct cx23885_dev *dev, + struct cx23885_dmaqueue *q) +{ + struct cx23885_buffer *buf, *prev; + struct list_head *item; + dprintk(1, "%s()\n", __FUNCTION__); + + if (!list_empty(&q->active)) { + buf = list_entry(q->active.next, struct cx23885_buffer, + vb.queue); + dprintk(2, "restart_queue [%p/%d]: restart dma\n", + buf, buf->vb.i); + cx23885_start_video_dma(dev, q, buf); + list_for_each(item, &q->active) { + buf = list_entry(item, struct cx23885_buffer, + vb.queue); + buf->count = q->count++; + } + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + return 0; + } + + prev = NULL; + for (;;) { + if (list_empty(&q->queued)) + return 0; + buf = list_entry(q->queued.next, struct cx23885_buffer, + vb.queue); + if (NULL == prev) { + list_move_tail(&buf->vb.queue, &q->active); + cx23885_start_video_dma(dev, q, buf); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] restart_queue - first active\n", + buf, buf->vb.i); + + } else if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_move_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ + dprintk(2, "[%p/%d] restart_queue - move to active\n", + buf, buf->vb.i); + } else { + return 0; + } + prev = buf; + } +} + +static int buffer_setup(struct videobuf_queue *q, unsigned int *count, + unsigned int *size) +{ + struct cx23885_fh *fh = q->priv_data; + + *size = fh->fmt->depth*fh->width*fh->height >> 3; + if (0 == *count) + *count = 32; + while (*size * *count > vid_limit * 1024 * 1024) + (*count)--; + return 0; +} + +static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, + enum v4l2_field field) +{ + struct cx23885_fh *fh = q->priv_data; + struct cx23885_dev *dev = fh->dev; + struct cx23885_buffer *buf = + container_of(vb, struct cx23885_buffer, vb); + int rc, init_buffer = 0; + u32 line0_offset, line1_offset; + struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); + + BUG_ON(NULL == fh->fmt); + if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || + fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) + return -EINVAL; + buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; + if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) + return -EINVAL; + + if (buf->fmt != fh->fmt || + buf->vb.width != fh->width || + buf->vb.height != fh->height || + buf->vb.field != field) { + buf->fmt = fh->fmt; + buf->vb.width = fh->width; + buf->vb.height = fh->height; + buf->vb.field = field; + init_buffer = 1; + } + + if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { + init_buffer = 1; + rc = videobuf_iolock(q, &buf->vb, NULL); + if (0 != rc) + goto fail; + } + + if (init_buffer) { + buf->bpl = buf->vb.width * buf->fmt->depth >> 3; + switch (buf->vb.field) { + case V4L2_FIELD_TOP: + cx23885_risc_buffer(dev->pci, &buf->risc, + dma->sglist, 0, UNSET, + buf->bpl, 0, buf->vb.height); + break; + case V4L2_FIELD_BOTTOM: + cx23885_risc_buffer(dev->pci, &buf->risc, + dma->sglist, UNSET, 0, + buf->bpl, 0, buf->vb.height); + break; + case V4L2_FIELD_INTERLACED: + if (dev->tvnorm & V4L2_STD_NTSC) { + /* cx25840 transmits NTSC bottom field first */ + dprintk(1, "%s() Creating NTSC risc\n", + __FUNCTION__); + line0_offset = buf->bpl; + line1_offset = 0; + } else { + /* All other formats are top field first */ + dprintk(1, "%s() Creating PAL/SECAM risc\n", + __FUNCTION__); + line0_offset = 0; + line1_offset = buf->bpl; + } + cx23885_risc_buffer(dev->pci, &buf->risc, + dma->sglist, line0_offset, + line1_offset, + buf->bpl, buf->bpl, + buf->vb.height >> 1); + break; + case V4L2_FIELD_SEQ_TB: + cx23885_risc_buffer(dev->pci, &buf->risc, + dma->sglist, + 0, buf->bpl * (buf->vb.height >> 1), + buf->bpl, 0, + buf->vb.height >> 1); + break; + case V4L2_FIELD_SEQ_BT: + cx23885_risc_buffer(dev->pci, &buf->risc, + dma->sglist, + buf->bpl * (buf->vb.height >> 1), 0, + buf->bpl, 0, + buf->vb.height >> 1); + break; + default: + BUG(); + } + } + dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", + buf, buf->vb.i, + fh->width, fh->height, fh->fmt->depth, fh->fmt->name, + (unsigned long)buf->risc.dma); + + buf->vb.state = VIDEOBUF_PREPARED; + return 0; + + fail: + cx23885_free_buffer(q, buf); + return rc; +} + +static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +{ + struct cx23885_buffer *buf = container_of(vb, + struct cx23885_buffer, vb); + struct cx23885_buffer *prev; + struct cx23885_fh *fh = vq->priv_data; + struct cx23885_dev *dev = fh->dev; + struct cx23885_dmaqueue *q = &dev->vidq; + + /* add jump to stopper */ + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + if (!list_empty(&q->queued)) { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - append to queued\n", + buf, buf->vb.i); + + } else if (list_empty(&q->active)) { + list_add_tail(&buf->vb.queue, &q->active); + cx23885_start_video_dma(dev, q, buf); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + dprintk(2, "[%p/%d] buffer_queue - first active\n", + buf, buf->vb.i); + + } else { + prev = list_entry(q->active.prev, struct cx23885_buffer, + vb.queue); + if (prev->vb.width == buf->vb.width && + prev->vb.height == buf->vb.height && + prev->fmt == buf->fmt) { + list_add_tail(&buf->vb.queue, &q->active); + buf->vb.state = VIDEOBUF_ACTIVE; + buf->count = q->count++; + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); + /* 64 bit bits 63-32 */ + prev->risc.jmp[2] = cpu_to_le32(0); + dprintk(2, "[%p/%d] buffer_queue - append to active\n", + buf, buf->vb.i); + + } else { + list_add_tail(&buf->vb.queue, &q->queued); + buf->vb.state = VIDEOBUF_QUEUED; + dprintk(2, "[%p/%d] buffer_queue - first queued\n", + buf, buf->vb.i); + } + } +} + +static void buffer_release(struct videobuf_queue *q, + struct videobuf_buffer *vb) +{ + struct cx23885_buffer *buf = container_of(vb, + struct cx23885_buffer, vb); + + cx23885_free_buffer(q, buf); +} + +static struct videobuf_queue_ops cx23885_video_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + +static struct videobuf_queue *get_queue(struct cx23885_fh *fh) +{ + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return &fh->vidq; + case V4L2_BUF_TYPE_VBI_CAPTURE: + return &fh->vbiq; + default: + BUG(); + return NULL; + } +} + +static int get_resource(struct cx23885_fh *fh) +{ + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + return RESOURCE_VIDEO; + case V4L2_BUF_TYPE_VBI_CAPTURE: + return RESOURCE_VBI; + default: + BUG(); + return 0; + } +} + +static int video_open(struct inode *inode, struct file *file) +{ + int minor = iminor(inode); + struct cx23885_dev *h, *dev = NULL; + struct cx23885_fh *fh; + struct list_head *list; + enum v4l2_buf_type type = 0; + int radio = 0; + + list_for_each(list, &cx23885_devlist) { + h = list_entry(list, struct cx23885_dev, devlist); + if (h->video_dev->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + if (h->vbi_dev && + h->vbi_dev->minor == minor) { + dev = h; + type = V4L2_BUF_TYPE_VBI_CAPTURE; + } + if (h->radio_dev && + h->radio_dev->minor == minor) { + radio = 1; + dev = h; + } + } + if (NULL == dev) + return -ENODEV; + + dprintk(1, "open minor=%d radio=%d type=%s\n", + minor, radio, v4l2_type_names[type]); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) + return -ENOMEM; + file->private_data = fh; + fh->dev = dev; + fh->radio = radio; + fh->type = type; + fh->width = 320; + fh->height = 240; + fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); + + videobuf_queue_pci_init(&fh->vidq, &cx23885_video_qops, + dev->pci, &dev->slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx23885_buffer), + fh); + + dprintk(1, "post videobuf_queue_init()\n"); + + + return 0; +} + +static ssize_t video_read(struct file *file, char __user *data, + size_t count, loff_t *ppos) +{ + struct cx23885_fh *fh = file->private_data; + + switch (fh->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + if (res_locked(fh->dev, RESOURCE_VIDEO)) + return -EBUSY; + return videobuf_read_one(&fh->vidq, data, count, ppos, + file->f_flags & O_NONBLOCK); + case V4L2_BUF_TYPE_VBI_CAPTURE: + if (!res_get(fh->dev, fh, RESOURCE_VBI)) + return -EBUSY; + return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, + file->f_flags & O_NONBLOCK); + default: + BUG(); + return 0; + } +} + +static unsigned int video_poll(struct file *file, + struct poll_table_struct *wait) +{ + struct cx23885_fh *fh = file->private_data; + struct cx23885_buffer *buf; + + if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { + if (!res_get(fh->dev, fh, RESOURCE_VBI)) + return POLLERR; + return videobuf_poll_stream(file, &fh->vbiq, wait); + } + + if (res_check(fh, RESOURCE_VIDEO)) { + /* streaming capture */ + if (list_empty(&fh->vidq.stream)) + return POLLERR; + buf = list_entry(fh->vidq.stream.next, + struct cx23885_buffer, vb.stream); + } else { + /* read() capture */ + buf = (struct cx23885_buffer *)fh->vidq.read_buf; + if (NULL == buf) + return POLLERR; + } + poll_wait(file, &buf->vb.done, wait); + if (buf->vb.state == VIDEOBUF_DONE || + buf->vb.state == VIDEOBUF_ERROR) + return POLLIN|POLLRDNORM; + return 0; +} + +static int video_release(struct inode *inode, struct file *file) +{ + struct cx23885_fh *fh = file->private_data; + struct cx23885_dev *dev = fh->dev; + + /* turn off overlay */ + if (res_check(fh, RESOURCE_OVERLAY)) { + /* FIXME */ + res_free(dev, fh, RESOURCE_OVERLAY); + } + + /* stop video capture */ + if (res_check(fh, RESOURCE_VIDEO)) { + videobuf_queue_cancel(&fh->vidq); + res_free(dev, fh, RESOURCE_VIDEO); + } + if (fh->vidq.read_buf) { + buffer_release(&fh->vidq, fh->vidq.read_buf); + kfree(fh->vidq.read_buf); + } + + /* stop vbi capture */ + if (res_check(fh, RESOURCE_VBI)) { + if (fh->vbiq.streaming) + videobuf_streamoff(&fh->vbiq); + if (fh->vbiq.reading) + videobuf_read_stop(&fh->vbiq); + res_free(dev, fh, RESOURCE_VBI); + } + + videobuf_mmap_free(&fh->vidq); + file->private_data = NULL; + kfree(fh); + + /* We are not putting the tuner to sleep here on exit, because + * we want to use the mpeg encoder in another session to capture + * tuner video. Closing this will result in no video to the encoder. + */ + + return 0; +} + +static int video_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct cx23885_fh *fh = file->private_data; + + return videobuf_mmap_mapper(get_queue(fh), vma); +} + +/* ------------------------------------------------------------------ */ +/* VIDEO CTRL IOCTLS */ + +int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl) +{ + dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __FUNCTION__); + cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_CTRL, ctl); + return 0; +} +EXPORT_SYMBOL(cx23885_get_control); + +int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl) +{ + dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)" + " (disabled - no action)\n", __FUNCTION__); + return 0; +} +EXPORT_SYMBOL(cx23885_set_control); + +static void init_controls(struct cx23885_dev *dev) +{ + struct v4l2_control ctrl; + int i; + + for (i = 0; i < CX23885_CTLS; i++) { + ctrl.id = cx23885_ctls[i].v.id; + ctrl.value = cx23885_ctls[i].v.default_value; + + cx23885_set_control(dev, &ctrl); + } +} + +/* ------------------------------------------------------------------ */ +/* VIDEO IOCTLS */ + +static int vidioc_g_fmt_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx23885_fh *fh = priv; + + f->fmt.pix.width = fh->width; + f->fmt.pix.height = fh->height; + f->fmt.pix.field = fh->vidq.field; + f->fmt.pix.pixelformat = fh->fmt->fourcc; + f->fmt.pix.bytesperline = + (f->fmt.pix.width * fh->fmt->depth) >> 3; + f->fmt.pix.sizeimage = + f->fmt.pix.height * f->fmt.pix.bytesperline; + + return 0; +} + +static int vidioc_try_fmt_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + struct cx23885_fmt *fmt; + enum v4l2_field field; + unsigned int maxw, maxh; + + fmt = format_by_fourcc(f->fmt.pix.pixelformat); + if (NULL == fmt) + return -EINVAL; + + field = f->fmt.pix.field; + maxw = norm_maxw(dev->tvnorm); + maxh = norm_maxh(dev->tvnorm); + + if (V4L2_FIELD_ANY == field) { + field = (f->fmt.pix.height > maxh/2) + ? V4L2_FIELD_INTERLACED + : V4L2_FIELD_BOTTOM; + } + + switch (field) { + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + maxh = maxh / 2; + break; + case V4L2_FIELD_INTERLACED: + break; + default: + return -EINVAL; + } + + f->fmt.pix.field = field; + if (f->fmt.pix.height < 32) + f->fmt.pix.height = 32; + if (f->fmt.pix.height > maxh) + f->fmt.pix.height = maxh; + if (f->fmt.pix.width < 48) + f->fmt.pix.width = 48; + if (f->fmt.pix.width > maxw) + f->fmt.pix.width = maxw; + f->fmt.pix.width &= ~0x03; + f->fmt.pix.bytesperline = + (f->fmt.pix.width * fmt->depth) >> 3; + f->fmt.pix.sizeimage = + f->fmt.pix.height * f->fmt.pix.bytesperline; + + return 0; +} + +static int vidioc_s_fmt_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx23885_fh *fh = priv; + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + int err; + + dprintk(2, "%s()\n", __FUNCTION__); + err = vidioc_try_fmt_cap(file, priv, f); + + if (0 != err) + return err; + fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); + fh->width = f->fmt.pix.width; + fh->height = f->fmt.pix.height; + fh->vidq.field = f->fmt.pix.field; + dprintk(2, "%s() width=%d height=%d field=%d\n", __FUNCTION__, + fh->width, fh->height, fh->vidq.field); + cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_FMT, f); + return 0; +} + +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + + strcpy(cap->driver, "cx23885"); + strlcpy(cap->card, cx23885_boards[dev->board].name, + sizeof(cap->card)); + sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); + cap->version = CX23885_VERSION_CODE; + cap->capabilities = + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING | + V4L2_CAP_VBI_CAPTURE; + if (UNSET != dev->tuner_type) + cap->capabilities |= V4L2_CAP_TUNER; + return 0; +} + +static int vidioc_enum_fmt_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + if (unlikely(f->index >= ARRAY_SIZE(formats))) + return -EINVAL; + + strlcpy(f->description, formats[f->index].name, + sizeof(f->description)); + f->pixelformat = formats[f->index].fourcc; + + return 0; +} + +#ifdef CONFIG_VIDEO_V4L1_COMPAT +static int vidiocgmbuf(struct file *file, void *priv, + struct video_mbuf *mbuf) +{ + struct cx23885_fh *fh = priv; + struct videobuf_queue *q; + struct v4l2_requestbuffers req; + unsigned int i; + int err; + + q = get_queue(fh); + memset(&req, 0, sizeof(req)); + req.type = q->type; + req.count = 8; + req.memory = V4L2_MEMORY_MMAP; + err = videobuf_reqbufs(q, &req); + if (err < 0) + return err; + + mbuf->frames = req.count; + mbuf->size = 0; + for (i = 0; i < mbuf->frames; i++) { + mbuf->offsets[i] = q->bufs[i]->boff; + mbuf->size += q->bufs[i]->bsize; + } + return 0; +} +#endif + +static int vidioc_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *p) +{ + struct cx23885_fh *fh = priv; + return (videobuf_reqbufs(get_queue(fh), p)); +} + +static int vidioc_querybuf(struct file *file, void *priv, + struct v4l2_buffer *p) +{ + struct cx23885_fh *fh = priv; + return (videobuf_querybuf(get_queue(fh), p)); +} + +static int vidioc_qbuf(struct file *file, void *priv, + struct v4l2_buffer *p) +{ + struct cx23885_fh *fh = priv; + return (videobuf_qbuf(get_queue(fh), p)); +} + +static int vidioc_dqbuf(struct file *file, void *priv, + struct v4l2_buffer *p) +{ + struct cx23885_fh *fh = priv; + return (videobuf_dqbuf(get_queue(fh), p, + file->f_flags & O_NONBLOCK)); +} + +static int vidioc_streamon(struct file *file, void *priv, + enum v4l2_buf_type i) +{ + struct cx23885_fh *fh = priv; + struct cx23885_dev *dev = fh->dev; + dprintk(1, "%s()\n", __FUNCTION__); + + if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) + return -EINVAL; + if (unlikely(i != fh->type)) + return -EINVAL; + + if (unlikely(!res_get(dev, fh, get_resource(fh)))) + return -EBUSY; + return videobuf_streamon(get_queue(fh)); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx23885_fh *fh = priv; + struct cx23885_dev *dev = fh->dev; + int err, res; + dprintk(1, "%s()\n", __FUNCTION__); + + if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (i != fh->type) + return -EINVAL; + + res = get_resource(fh); + err = videobuf_streamoff(get_queue(fh)); + if (err < 0) + return err; + res_free(dev, fh, res); + return 0; +} + +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + dprintk(1, "%s()\n", __FUNCTION__); + + mutex_lock(&dev->lock); + cx23885_set_tvnorm(dev, *tvnorms); + mutex_unlock(&dev->lock); + + return 0; +} + +int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) +{ + static const char *iname[] = { + [CX23885_VMUX_COMPOSITE1] = "Composite1", + [CX23885_VMUX_COMPOSITE2] = "Composite2", + [CX23885_VMUX_COMPOSITE3] = "Composite3", + [CX23885_VMUX_COMPOSITE4] = "Composite4", + [CX23885_VMUX_SVIDEO] = "S-Video", + [CX23885_VMUX_TELEVISION] = "Television", + [CX23885_VMUX_CABLE] = "Cable TV", + [CX23885_VMUX_DVB] = "DVB", + [CX23885_VMUX_DEBUG] = "for debug only", + }; + unsigned int n; + dprintk(1, "%s()\n", __FUNCTION__); + + n = i->index; + if (n >= 4) + return -EINVAL; + + if (0 == INPUT(n)->type) + return -EINVAL; + + memset(i, 0, sizeof(*i)); + i->index = n; + i->type = V4L2_INPUT_TYPE_CAMERA; + strcpy(i->name, iname[INPUT(n)->type]); + if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || + (CX23885_VMUX_CABLE == INPUT(n)->type)) + i->type = V4L2_INPUT_TYPE_TUNER; + i->std = CX23885_NORMS; + return 0; +} +EXPORT_SYMBOL(cx23885_enum_input); + +static int vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + dprintk(1, "%s()\n", __FUNCTION__); + return cx23885_enum_input(dev, i); +} + +static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + + *i = dev->input; + dprintk(1, "%s() returns %d\n", __FUNCTION__, *i); + return 0; +} + +static int vidioc_s_input(struct file *file, void *priv, unsigned int i) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + + dprintk(1, "%s(%d)\n", __FUNCTION__, i); + + if (i >= 4) { + dprintk(1, "%s() -EINVAL\n", __FUNCTION__); + return -EINVAL; + } + + mutex_lock(&dev->lock); + cx23885_video_mux(dev, i); + mutex_unlock(&dev->lock); + return 0; +} + +static int vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *qctrl) +{ + qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); + if (unlikely(qctrl->id == 0)) + return -EINVAL; + return cx23885_ctrl_query(qctrl); +} + +static int vidioc_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + + return cx23885_get_control(dev, ctl); +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + + return cx23885_set_control(dev, ctl); +} + +static int vidioc_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + + if (unlikely(UNSET == dev->tuner_type)) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + + strcpy(t->name, "Television"); + t->type = V4L2_TUNER_ANALOG_TV; + t->capability = V4L2_TUNER_CAP_NORM; + t->rangehigh = 0xffffffffUL; + t->signal = 0xffff ; /* LOCKED */ + return 0; +} + +static int vidioc_s_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; + + if (UNSET == dev->tuner_type) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + return 0; +} + +static int vidioc_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct cx23885_fh *fh = priv; + struct cx23885_dev *dev = fh->dev; + + if (unlikely(UNSET == dev->tuner_type)) + return -EINVAL; + + /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ + f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; + f->frequency = dev->freq; + + cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_FREQUENCY, f); + + return 0; +} + +int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) +{ + if (unlikely(UNSET == dev->tuner_type)) + return -EINVAL; + if (unlikely(f->tuner != 0)) + return -EINVAL; + + mutex_lock(&dev->lock); + dev->freq = f->frequency; + + cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, f); + + /* When changing channels it is required to reset TVAUDIO */ + msleep(10); + + mutex_unlock(&dev->lock); + + return 0; +} +EXPORT_SYMBOL(cx23885_set_freq); + +static int vidioc_s_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct cx23885_fh *fh = priv; + struct cx23885_dev *dev = fh->dev; + + if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) + return -EINVAL; + if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) + return -EINVAL; + + return + cx23885_set_freq(dev, f); +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int vidioc_g_register(struct file *file, void *fh, + struct v4l2_register *reg) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; + + if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) + return -EINVAL; + + cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_G_REGISTER, reg); + + return 0; +} + +static int vidioc_s_register(struct file *file, void *fh, + struct v4l2_register *reg) +{ + struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev; + + if (!v4l2_chip_match_host(reg->match_type, reg->match_chip)) + return -EINVAL; + + cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_DBG_S_REGISTER, reg); + + return 0; +} +#endif + +/* ----------------------------------------------------------- */ + +static void cx23885_vid_timeout(unsigned long data) +{ + struct cx23885_dev *dev = (struct cx23885_dev *)data; + struct cx23885_dmaqueue *q = &dev->vidq; + struct cx23885_buffer *buf; + unsigned long flags; + + cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); + + cx_clear(VID_A_DMA_CTL, 0x11); + + spin_lock_irqsave(&dev->slock, flags); + while (!list_empty(&q->active)) { + buf = list_entry(q->active.next, + struct cx23885_buffer, vb.queue); + list_del(&buf->vb.queue); + buf->vb.state = VIDEOBUF_ERROR; + wake_up(&buf->vb.done); + printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n", + dev->name, buf, buf->vb.i, + (unsigned long)buf->risc.dma); + } + cx23885_restart_video_queue(dev, q); + spin_unlock_irqrestore(&dev->slock, flags); +} + +int cx23885_video_irq(struct cx23885_dev *dev, u32 status) +{ + u32 mask, count; + int handled = 0; + + mask = cx_read(VID_A_INT_MSK); + if (0 == (status & mask)) + return handled; + cx_write(VID_A_INT_STAT, status); + + dprintk(2, "%s() status = 0x%08x\n", __FUNCTION__, status); + /* risc op code error */ + if (status & (1 << 16)) { + printk(KERN_WARNING "%s/0: video risc op code error\n", + dev->name); + cx_clear(VID_A_DMA_CTL, 0x11); + cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); + } + + /* risc1 y */ + if (status & 0x01) { + spin_lock(&dev->slock); + count = cx_read(VID_A_GPCNT); + cx23885_video_wakeup(dev, &dev->vidq, count); + spin_unlock(&dev->slock); + handled++; + } + /* risc2 y */ + if (status & 0x10) { + dprintk(2, "stopper video\n"); + spin_lock(&dev->slock); + cx23885_restart_video_queue(dev, &dev->vidq); + spin_unlock(&dev->slock); + handled++; + } + + return handled; +} + +/* ----------------------------------------------------------- */ +/* exported stuff */ + +static const struct file_operations video_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .read = video_read, + .poll = video_poll, + .mmap = video_mmap, + .ioctl = video_ioctl2, + .compat_ioctl = v4l_compat_ioctl32, + .llseek = no_llseek, +}; + +static struct video_device cx23885_vbi_template; +static struct video_device cx23885_video_template = { + .name = "cx23885-video", + .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES, + .fops = &video_fops, + .minor = -1, + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap, + .vidioc_g_fmt_cap = vidioc_g_fmt_cap, + .vidioc_try_fmt_cap = vidioc_try_fmt_cap, + .vidioc_s_fmt_cap = vidioc_s_fmt_cap, + .vidioc_g_fmt_vbi = cx23885_vbi_fmt, + .vidioc_try_fmt_vbi = cx23885_vbi_fmt, + .vidioc_s_fmt_vbi = cx23885_vbi_fmt, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_s_std = vidioc_s_std, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_queryctrl = vidioc_queryctrl, + .vidioc_g_ctrl = vidioc_g_ctrl, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, +#ifdef CONFIG_VIDEO_V4L1_COMPAT + .vidiocgmbuf = vidiocgmbuf, +#endif + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .vidioc_g_register = vidioc_g_register, + .vidioc_s_register = vidioc_s_register, +#endif + .tvnorms = CX23885_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + +static const struct file_operations radio_fops = { + .owner = THIS_MODULE, + .open = video_open, + .release = video_release, + .ioctl = video_ioctl2, + .compat_ioctl = v4l_compat_ioctl32, + .llseek = no_llseek, +}; + + +void cx23885_video_unregister(struct cx23885_dev *dev) +{ + dprintk(1, "%s()\n", __FUNCTION__); + cx_clear(PCI_INT_MSK, 1); + + if (dev->video_dev) { + if (-1 != dev->video_dev->minor) + video_unregister_device(dev->video_dev); + else + video_device_release(dev->video_dev); + dev->video_dev = NULL; + + btcx_riscmem_free(dev->pci, &dev->vidq.stopper); + } +} + +int cx23885_video_register(struct cx23885_dev *dev) +{ + int err; + + dprintk(1, "%s()\n", __FUNCTION__); + spin_lock_init(&dev->slock); + + /* Initialize VBI template */ + memcpy(&cx23885_vbi_template, &cx23885_video_template, + sizeof(cx23885_vbi_template)); + strcpy(cx23885_vbi_template.name, "cx23885-vbi"); + cx23885_vbi_template.type = VID_TYPE_TELETEXT|VID_TYPE_TUNER; + + dev->tvnorm = cx23885_video_template.current_norm; + + /* init video dma queues */ + INIT_LIST_HEAD(&dev->vidq.active); + INIT_LIST_HEAD(&dev->vidq.queued); + dev->vidq.timeout.function = cx23885_vid_timeout; + dev->vidq.timeout.data = (unsigned long)dev; + init_timer(&dev->vidq.timeout); + cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, + VID_A_DMA_CTL, 0x11, 0x00); + + /* Don't enable VBI yet */ + cx_set(PCI_INT_MSK, 1); + + + /* register v4l devices */ + dev->video_dev = cx23885_vdev_init(dev, dev->pci, + &cx23885_video_template, "video"); + err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, + video_nr[dev->nr]); + if (err < 0) { + printk(KERN_INFO "%s: can't register video device\n", + dev->name); + goto fail_unreg; + } + printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n", + dev->name, dev->video_dev->minor & 0x1f); + /* initial device configuration */ + mutex_lock(&dev->lock); + cx23885_set_tvnorm(dev, dev->tvnorm); + init_controls(dev); + cx23885_video_mux(dev, 0); + mutex_unlock(&dev->lock); + + return 0; + +fail_unreg: + cx23885_video_unregister(dev); + return err; +} + |