diff options
Diffstat (limited to 'drivers/staging/media/zoran/zoran_card.c')
-rw-r--r-- | drivers/staging/media/zoran/zoran_card.c | 1334 |
1 files changed, 0 insertions, 1334 deletions
diff --git a/drivers/staging/media/zoran/zoran_card.c b/drivers/staging/media/zoran/zoran_card.c deleted file mode 100644 index f259585b0689..000000000000 --- a/drivers/staging/media/zoran/zoran_card.c +++ /dev/null @@ -1,1334 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Zoran zr36057/zr36067 PCI controller driver, for the - * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux - * Media Labs LML33/LML33R10. - * - * This part handles card-specific data and detection - * - * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> - */ - -#include <linux/delay.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> - -#include <linux/i2c.h> -#include <linux/i2c-algo-bit.h> -#include <linux/videodev2.h> -#include <linux/spinlock.h> - -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <media/v4l2-common.h> -#include <media/i2c/bt819.h> - -#include "videocodec.h" -#include "zoran.h" -#include "zoran_card.h" -#include "zoran_device.h" - -extern const struct zoran_format zoran_formats[]; - -static int card[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 }; -module_param_array(card, int, NULL, 0444); -MODULE_PARM_DESC(card, "Card type"); - -/* - * The video mem address of the video card. The driver has a little database - * for some videocards to determine it from there. If your video card is not - * in there you have either to give it to the driver as a parameter or set - * in a VIDIOCSFBUF ioctl - */ - -static unsigned long vidmem; /* default = 0 - Video memory base address */ -module_param_hw(vidmem, ulong, iomem, 0444); -MODULE_PARM_DESC(vidmem, "Default video memory base address"); - -/* Default input and video norm at startup of the driver. */ - -static unsigned int default_input; /* default 0 = Composite, 1 = S-Video */ -module_param(default_input, uint, 0444); -MODULE_PARM_DESC(default_input, - "Default input (0=Composite, 1=S-Video, 2=Internal)"); - -static int default_mux = 1; /* 6 Eyes input selection */ -module_param(default_mux, int, 0644); -MODULE_PARM_DESC(default_mux, - "Default 6 Eyes mux setting (Input selection)"); - -static int default_norm; /* default 0 = PAL, 1 = NTSC 2 = SECAM */ -module_param(default_norm, int, 0444); -MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)"); - -/* /dev/videoN, -1 for autodetect */ -static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX - 1)] = -1 }; -module_param_array(video_nr, int, NULL, 0444); -MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)"); - -int v4l_nbufs = 4; -int v4l_bufsize = 864; /* Everybody should be able to work with this setting */ -module_param(v4l_nbufs, int, 0644); -MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use"); -module_param(v4l_bufsize, int, 0644); -MODULE_PARM_DESC(v4l_bufsize, "Maximum size per V4L buffer (in kB)"); - -int jpg_nbufs = 32; -int jpg_bufsize = 512; /* max size for 100% quality full-PAL frame */ -module_param(jpg_nbufs, int, 0644); -MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use"); -module_param(jpg_bufsize, int, 0644); -MODULE_PARM_DESC(jpg_bufsize, "Maximum size per JPG buffer (in kB)"); - -/* 1=Pass through TV signal when device is not used */ -/* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */ -int pass_through; -module_param(pass_through, int, 0644); -MODULE_PARM_DESC(pass_through, - "Pass TV signal through to TV-out when idling"); - -int zr36067_debug = 1; -module_param_named(debug, zr36067_debug, int, 0644); -MODULE_PARM_DESC(debug, "Debug level (0-5)"); - -#define ZORAN_VERSION "0.10.1" - -MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver"); -MODULE_AUTHOR("Serguei Miridonov"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(ZORAN_VERSION); - -#define ZR_DEVICE(subven, subdev, data) { \ - .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \ - .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) } - -static const struct pci_device_id zr36067_pci_tbl[] = { - ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10_PLUS), - ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30_PLUS), - ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10), - ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ), - ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS), - {0} -}; -MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl); - -static unsigned int zoran_num; /* number of cards found */ - -/* videocodec bus functions ZR36060 */ -static u32 zr36060_read(struct videocodec *codec, u16 reg) -{ - struct zoran *zr = (struct zoran *)codec->master_data->data; - __u32 data; - - if (post_office_wait(zr) || post_office_write(zr, 0, 1, reg >> 8) || - post_office_write(zr, 0, 2, reg & 0xff)) - return -1; - - data = post_office_read(zr, 0, 3) & 0xff; - return data; -} - -static void zr36060_write(struct videocodec *codec, u16 reg, u32 val) -{ - struct zoran *zr = (struct zoran *)codec->master_data->data; - - if (post_office_wait(zr) || post_office_write(zr, 0, 1, reg >> 8) || - post_office_write(zr, 0, 2, reg & 0xff)) - return; - - post_office_write(zr, 0, 3, val & 0xff); -} - -/* videocodec bus functions ZR36050 */ -static u32 zr36050_read(struct videocodec *codec, u16 reg) -{ - struct zoran *zr = (struct zoran *)codec->master_data->data; - __u32 data; - - if (post_office_wait(zr) || post_office_write(zr, 1, 0, reg >> 2)) // reg. HIGHBYTES - return -1; - - data = post_office_read(zr, 0, reg & 0x03) & 0xff; // reg. LOWBYTES + read - return data; -} - -static void zr36050_write(struct videocodec *codec, u16 reg, u32 val) -{ - struct zoran *zr = (struct zoran *)codec->master_data->data; - - if (post_office_wait(zr) || post_office_write(zr, 1, 0, reg >> 2)) // reg. HIGHBYTES - return; - - post_office_write(zr, 0, reg & 0x03, val & 0xff); // reg. LOWBYTES + wr. data -} - -/* videocodec bus functions ZR36016 */ -static u32 zr36016_read(struct videocodec *codec, u16 reg) -{ - struct zoran *zr = (struct zoran *)codec->master_data->data; - __u32 data; - - if (post_office_wait(zr)) - return -1; - - data = post_office_read(zr, 2, reg & 0x03) & 0xff; // read - return data; -} - -/* hack for in zoran_device.c */ -void zr36016_write(struct videocodec *codec, u16 reg, u32 val) -{ - struct zoran *zr = (struct zoran *)codec->master_data->data; - - if (post_office_wait(zr)) - return; - - post_office_write(zr, 2, reg & 0x03, val & 0x0ff); // wr. data -} - -/* - * Board specific information - */ - -static void dc10_init(struct zoran *zr) -{ - pci_dbg(zr->pci_dev, "%s\n", __func__); - - /* Pixel clock selection */ - GPIO(zr, 4, 0); - GPIO(zr, 5, 1); - /* Enable the video bus sync signals */ - GPIO(zr, 7, 0); -} - -static void dc10plus_init(struct zoran *zr) -{ - pci_dbg(zr->pci_dev, "%s\n", __func__); -} - -static void buz_init(struct zoran *zr) -{ - pci_dbg(zr->pci_dev, "%s\n", __func__); - - /* some stuff from Iomega */ - pci_write_config_dword(zr->pci_dev, 0xfc, 0x90680f15); - pci_write_config_dword(zr->pci_dev, 0x0c, 0x00012020); - pci_write_config_dword(zr->pci_dev, 0xe8, 0xc0200000); -} - -static void lml33_init(struct zoran *zr) -{ - pci_dbg(zr->pci_dev, "%s\n", __func__); - - GPIO(zr, 2, 1); // Set Composite input/output -} - -static void avs6eyes_init(struct zoran *zr) -{ - // AverMedia 6-Eyes original driver by Christer Weinigel - - // Lifted straight from Christer's old driver and - // modified slightly by Martin Samuelsson. - - int mux = default_mux; /* 1 = BT866, 7 = VID1 */ - - GPIO(zr, 4, 1); /* Bt866 SLEEP on */ - udelay(2); - - GPIO(zr, 0, 1); /* ZR36060 /RESET on */ - GPIO(zr, 1, 0); /* ZR36060 /SLEEP on */ - GPIO(zr, 2, mux & 1); /* MUX S0 */ - GPIO(zr, 3, 0); /* /FRAME on */ - GPIO(zr, 4, 0); /* Bt866 SLEEP off */ - GPIO(zr, 5, mux & 2); /* MUX S1 */ - GPIO(zr, 6, 0); /* ? */ - GPIO(zr, 7, mux & 4); /* MUX S2 */ -} - -static const char *codecid_to_modulename(u16 codecid) -{ - const char *name = NULL; - - switch (codecid) { - case CODEC_TYPE_ZR36060: - name = "zr36060"; - break; - case CODEC_TYPE_ZR36050: - name = "zr36050"; - break; - case CODEC_TYPE_ZR36016: - name = "zr36016"; - break; - } - - return name; -} - -// struct tvnorm { -// u16 wt, wa, h_start, h_sync_start, ht, ha, v_start; -// }; - -static const struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 }; -static const struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 }; -static const struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 }; -static const struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 }; - -static const struct tvnorm f50ccir601_lml33 = { 864, 720, 75 + 34, 804, 625, 576, 18 }; -static const struct tvnorm f60ccir601_lml33 = { 858, 720, 57 + 34, 788, 525, 480, 16 }; - -/* The DC10 (57/16/50) uses VActive as HSync, so h_start must be 0 */ -static const struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 }; -static const struct tvnorm f60sqpixel_dc10 = { 780, 640, 0, 716, 525, 480, 12 }; - -/* - * FIXME: I cannot swap U and V in saa7114, so i do one pixel left shift in zoran (75 -> 74) - * (Maxim Yevtyushkin <max@linuxmedialabs.com>) - */ -static const struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74 + 54, 804, 625, 576, 18 }; -static const struct tvnorm f60ccir601_lm33r10 = { 858, 720, 56 + 54, 788, 525, 480, 16 }; - -/* - * FIXME: The ks0127 seem incapable of swapping U and V, too, which is why I copy Maxim's left - * shift hack for the 6 Eyes. - * - * Christer's driver used the unshifted norms, though... - * /Sam - */ -static const struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 }; -static const struct tvnorm f60ccir601_avs6eyes = { 858, 720, 56, 788, 525, 480, 16 }; - -static const unsigned short vpx3220_addrs[] = { 0x43, 0x47, I2C_CLIENT_END }; -static const unsigned short saa7110_addrs[] = { 0x4e, 0x4f, I2C_CLIENT_END }; -static const unsigned short saa7111_addrs[] = { 0x25, 0x24, I2C_CLIENT_END }; -static const unsigned short saa7114_addrs[] = { 0x21, 0x20, I2C_CLIENT_END }; -static const unsigned short adv717x_addrs[] = { 0x6a, 0x6b, 0x2a, 0x2b, I2C_CLIENT_END }; -static const unsigned short ks0127_addrs[] = { 0x6c, 0x6d, I2C_CLIENT_END }; -static const unsigned short saa7185_addrs[] = { 0x44, I2C_CLIENT_END }; -static const unsigned short bt819_addrs[] = { 0x45, I2C_CLIENT_END }; -static const unsigned short bt856_addrs[] = { 0x44, I2C_CLIENT_END }; -static const unsigned short bt866_addrs[] = { 0x44, I2C_CLIENT_END }; - -static struct card_info zoran_cards[NUM_CARDS] = { - { - .type = DC10_OLD, - .name = "DC10(old)", - .i2c_decoder = "vpx3220a", - .addrs_decoder = vpx3220_addrs, - .video_codec = CODEC_TYPE_ZR36050, - .video_vfe = CODEC_TYPE_ZR36016, - - .inputs = 3, - .input = { - { 1, "Composite" }, - { 2, "S-Video" }, - { 0, "Internal/comp" } - }, - .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, - .tvn = { - &f50sqpixel_dc10, - &f60sqpixel_dc10, - &f50sqpixel_dc10 - }, - .jpeg_int = 0, - .vsync_int = ZR36057_ISR_GIRQ1, - .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 }, - .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 }, - .gpcs = { -1, 0 }, - .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, - .gws_not_connected = 0, - .input_mux = 0, - .init = &dc10_init, - }, { - .type = DC10_NEW, - .name = "DC10(new)", - .i2c_decoder = "saa7110", - .addrs_decoder = saa7110_addrs, - .i2c_encoder = "adv7175", - .addrs_encoder = adv717x_addrs, - .video_codec = CODEC_TYPE_ZR36060, - - .inputs = 3, - .input = { - { 0, "Composite" }, - { 7, "S-Video" }, - { 5, "Internal/comp" } - }, - .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, - .tvn = { - &f50sqpixel, - &f60sqpixel, - &f50sqpixel}, - .jpeg_int = ZR36057_ISR_GIRQ0, - .vsync_int = ZR36057_ISR_GIRQ1, - .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 }, - .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, - .gpcs = { -1, 1}, - .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 }, - .gws_not_connected = 0, - .input_mux = 0, - .init = &dc10plus_init, - }, { - .type = DC10_PLUS, - .name = "DC10_PLUS", - .i2c_decoder = "saa7110", - .addrs_decoder = saa7110_addrs, - .i2c_encoder = "adv7175", - .addrs_encoder = adv717x_addrs, - .video_codec = CODEC_TYPE_ZR36060, - - .inputs = 3, - .input = { - { 0, "Composite" }, - { 7, "S-Video" }, - { 5, "Internal/comp" } - }, - .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, - .tvn = { - &f50sqpixel, - &f60sqpixel, - &f50sqpixel - }, - .jpeg_int = ZR36057_ISR_GIRQ0, - .vsync_int = ZR36057_ISR_GIRQ1, - .gpio = { 3, 0, 6, 1, 2, -1, 4, 5 }, - .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, - .gpcs = { -1, 1 }, - .vfe_pol = { 1, 1, 1, 1, 0, 0, 0, 0 }, - .gws_not_connected = 0, - .input_mux = 0, - .init = &dc10plus_init, - }, { - .type = DC30, - .name = "DC30", - .i2c_decoder = "vpx3220a", - .addrs_decoder = vpx3220_addrs, - .i2c_encoder = "adv7175", - .addrs_encoder = adv717x_addrs, - .video_codec = CODEC_TYPE_ZR36050, - .video_vfe = CODEC_TYPE_ZR36016, - - .inputs = 3, - .input = { - { 1, "Composite" }, - { 2, "S-Video" }, - { 0, "Internal/comp" } - }, - .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, - .tvn = { - &f50sqpixel_dc10, - &f60sqpixel_dc10, - &f50sqpixel_dc10 - }, - .jpeg_int = 0, - .vsync_int = ZR36057_ISR_GIRQ1, - .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 }, - .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 }, - .gpcs = { -1, 0 }, - .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, - .gws_not_connected = 0, - .input_mux = 0, - .init = &dc10_init, - }, { - .type = DC30_PLUS, - .name = "DC30_PLUS", - .i2c_decoder = "vpx3220a", - .addrs_decoder = vpx3220_addrs, - .i2c_encoder = "adv7175", - .addrs_encoder = adv717x_addrs, - .video_codec = CODEC_TYPE_ZR36050, - .video_vfe = CODEC_TYPE_ZR36016, - - .inputs = 3, - .input = { - { 1, "Composite" }, - { 2, "S-Video" }, - { 0, "Internal/comp" } - }, - .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, - .tvn = { - &f50sqpixel_dc10, - &f60sqpixel_dc10, - &f50sqpixel_dc10 - }, - .jpeg_int = 0, - .vsync_int = ZR36057_ISR_GIRQ1, - .gpio = { 2, 1, -1, 3, 7, 0, 4, 5 }, - .gpio_pol = { 0, 0, 0, 1, 0, 0, 0, 0 }, - .gpcs = { -1, 0 }, - .vfe_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, - .gws_not_connected = 0, - .input_mux = 0, - .init = &dc10_init, - }, { - .type = LML33, - .name = "LML33", - .i2c_decoder = "bt819a", - .addrs_decoder = bt819_addrs, - .i2c_encoder = "bt856", - .addrs_encoder = bt856_addrs, - .video_codec = CODEC_TYPE_ZR36060, - - .inputs = 2, - .input = { - { 0, "Composite" }, - { 7, "S-Video" } - }, - .norms = V4L2_STD_NTSC | V4L2_STD_PAL, - .tvn = { - &f50ccir601_lml33, - &f60ccir601_lml33, - NULL - }, - .jpeg_int = ZR36057_ISR_GIRQ1, - .vsync_int = ZR36057_ISR_GIRQ0, - .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 }, - .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 }, - .gpcs = { 3, 1 }, - .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 }, - .gws_not_connected = 1, - .input_mux = 0, - .init = &lml33_init, - }, { - .type = LML33R10, - .name = "LML33R10", - .i2c_decoder = "saa7114", - .addrs_decoder = saa7114_addrs, - .i2c_encoder = "adv7170", - .addrs_encoder = adv717x_addrs, - .video_codec = CODEC_TYPE_ZR36060, - - .inputs = 2, - .input = { - { 0, "Composite" }, - { 7, "S-Video" } - }, - .norms = V4L2_STD_NTSC | V4L2_STD_PAL, - .tvn = { - &f50ccir601_lm33r10, - &f60ccir601_lm33r10, - NULL - }, - .jpeg_int = ZR36057_ISR_GIRQ1, - .vsync_int = ZR36057_ISR_GIRQ0, - .gpio = { 1, -1, 3, 5, 7, -1, -1, -1 }, - .gpio_pol = { 0, 0, 0, 0, 1, 0, 0, 0 }, - .gpcs = { 3, 1 }, - .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 }, - .gws_not_connected = 1, - .input_mux = 0, - .init = &lml33_init, - }, { - .type = BUZ, - .name = "Buz", - .i2c_decoder = "saa7111", - .addrs_decoder = saa7111_addrs, - .i2c_encoder = "saa7185", - .addrs_encoder = saa7185_addrs, - .video_codec = CODEC_TYPE_ZR36060, - - .inputs = 2, - .input = { - { 3, "Composite" }, - { 7, "S-Video" } - }, - .norms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, - .tvn = { - &f50ccir601, - &f60ccir601, - &f50ccir601 - }, - .jpeg_int = ZR36057_ISR_GIRQ1, - .vsync_int = ZR36057_ISR_GIRQ0, - .gpio = { 1, -1, 3, -1, -1, -1, -1, -1 }, - .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, - .gpcs = { 3, 1 }, - .vfe_pol = { 1, 1, 0, 0, 0, 1, 0, 0 }, - .gws_not_connected = 1, - .input_mux = 0, - .init = &buz_init, - }, { - .type = AVS6EYES, - .name = "6-Eyes", -/* AverMedia chose not to brand the 6-Eyes. Thus it can't be autodetected, and requires card=x. */ - .i2c_decoder = "ks0127", - .addrs_decoder = ks0127_addrs, - .i2c_encoder = "bt866", - .addrs_encoder = bt866_addrs, - .video_codec = CODEC_TYPE_ZR36060, - - .inputs = 10, - .input = { - { 0, "Composite 1" }, - { 1, "Composite 2" }, - { 2, "Composite 3" }, - { 4, "Composite 4" }, - { 5, "Composite 5" }, - { 6, "Composite 6" }, - { 8, "S-Video 1" }, - { 9, "S-Video 2" }, - {10, "S-Video 3" }, - {15, "YCbCr" } - }, - .norms = V4L2_STD_NTSC | V4L2_STD_PAL, - .tvn = { - &f50ccir601_avs6eyes, - &f60ccir601_avs6eyes, - NULL - }, - .jpeg_int = ZR36057_ISR_GIRQ1, - .vsync_int = ZR36057_ISR_GIRQ0, - .gpio = { 1, 0, 3, -1, -1, -1, -1, -1 },// Validity unknown /Sam - .gpio_pol = { 0, 0, 0, 0, 0, 0, 0, 0 }, // Validity unknown /Sam - .gpcs = { 3, 1 }, // Validity unknown /Sam - .vfe_pol = { 1, 0, 0, 0, 0, 1, 0, 0 }, // Validity unknown /Sam - .gws_not_connected = 1, - .input_mux = 1, - .init = &avs6eyes_init, - } - -}; - -/* - * I2C functions - */ -/* software I2C functions */ -static int zoran_i2c_getsda(void *data) -{ - struct zoran *zr = (struct zoran *)data; - - return (btread(ZR36057_I2CBR) >> 1) & 1; -} - -static int zoran_i2c_getscl(void *data) -{ - struct zoran *zr = (struct zoran *)data; - - return btread(ZR36057_I2CBR) & 1; -} - -static void zoran_i2c_setsda(void *data, int state) -{ - struct zoran *zr = (struct zoran *)data; - - if (state) - zr->i2cbr |= 2; - else - zr->i2cbr &= ~2; - btwrite(zr->i2cbr, ZR36057_I2CBR); -} - -static void zoran_i2c_setscl(void *data, int state) -{ - struct zoran *zr = (struct zoran *)data; - - if (state) - zr->i2cbr |= 1; - else - zr->i2cbr &= ~1; - btwrite(zr->i2cbr, ZR36057_I2CBR); -} - -static const struct i2c_algo_bit_data zoran_i2c_bit_data_template = { - .setsda = zoran_i2c_setsda, - .setscl = zoran_i2c_setscl, - .getsda = zoran_i2c_getsda, - .getscl = zoran_i2c_getscl, - .udelay = 10, - .timeout = 100, -}; - -static int zoran_register_i2c(struct zoran *zr) -{ - zr->i2c_algo = zoran_i2c_bit_data_template; - zr->i2c_algo.data = zr; - strscpy(zr->i2c_adapter.name, ZR_DEVNAME(zr), - sizeof(zr->i2c_adapter.name)); - i2c_set_adapdata(&zr->i2c_adapter, &zr->v4l2_dev); - zr->i2c_adapter.algo_data = &zr->i2c_algo; - zr->i2c_adapter.dev.parent = &zr->pci_dev->dev; - return i2c_bit_add_bus(&zr->i2c_adapter); -} - -static void zoran_unregister_i2c(struct zoran *zr) -{ - i2c_del_adapter(&zr->i2c_adapter); -} - -/* Check a zoran_params struct for correctness, insert default params */ -int zoran_check_jpg_settings(struct zoran *zr, - struct zoran_jpg_settings *settings, int try) -{ - int err = 0, err0 = 0; - - pci_dbg(zr->pci_dev, "%s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n", - __func__, settings->decimation, settings->hor_dcm, - settings->ver_dcm, settings->tmp_dcm); - pci_dbg(zr->pci_dev, "%s - x: %d, y: %d, w: %d, y: %d\n", __func__, - settings->img_x, settings->img_y, - settings->img_width, settings->img_height); - /* Check decimation, set default values for decimation = 1, 2, 4 */ - switch (settings->decimation) { - case 1: - - settings->hor_dcm = 1; - settings->ver_dcm = 1; - settings->tmp_dcm = 1; - settings->field_per_buff = 2; - settings->img_x = 0; - settings->img_y = 0; - settings->img_width = BUZ_MAX_WIDTH; - settings->img_height = BUZ_MAX_HEIGHT / 2; - break; - case 2: - - settings->hor_dcm = 2; - settings->ver_dcm = 1; - settings->tmp_dcm = 2; - settings->field_per_buff = 1; - settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; - settings->img_y = 0; - settings->img_width = - (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; - settings->img_height = BUZ_MAX_HEIGHT / 2; - break; - case 4: - - if (zr->card.type == DC10_NEW) { - pci_dbg(zr->pci_dev, "%s - HDec by 4 is not supported on the DC10\n", __func__); - err0++; - break; - } - - settings->hor_dcm = 4; - settings->ver_dcm = 2; - settings->tmp_dcm = 2; - settings->field_per_buff = 1; - settings->img_x = (BUZ_MAX_WIDTH == 720) ? 8 : 0; - settings->img_y = 0; - settings->img_width = - (BUZ_MAX_WIDTH == 720) ? 704 : BUZ_MAX_WIDTH; - settings->img_height = BUZ_MAX_HEIGHT / 2; - break; - case 0: - - /* We have to check the data the user has set */ - - if (settings->hor_dcm != 1 && settings->hor_dcm != 2 && - (zr->card.type == DC10_NEW || settings->hor_dcm != 4)) { - settings->hor_dcm = clamp(settings->hor_dcm, 1, 2); - err0++; - } - if (settings->ver_dcm != 1 && settings->ver_dcm != 2) { - settings->ver_dcm = clamp(settings->ver_dcm, 1, 2); - err0++; - } - if (settings->tmp_dcm != 1 && settings->tmp_dcm != 2) { - settings->tmp_dcm = clamp(settings->tmp_dcm, 1, 2); - err0++; - } - if (settings->field_per_buff != 1 && - settings->field_per_buff != 2) { - settings->field_per_buff = clamp(settings->field_per_buff, 1, 2); - err0++; - } - if (settings->img_x < 0) { - settings->img_x = 0; - err0++; - } - if (settings->img_y < 0) { - settings->img_y = 0; - err0++; - } - if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) { - settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH); - err0++; - } - if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) { - settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2); - err0++; - } - if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) { - settings->img_x = BUZ_MAX_WIDTH - settings->img_width; - err0++; - } - if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) { - settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height; - err0++; - } - if (settings->img_width % (16 * settings->hor_dcm) != 0) { - settings->img_width -= settings->img_width % (16 * settings->hor_dcm); - if (settings->img_width == 0) - settings->img_width = 16 * settings->hor_dcm; - err0++; - } - if (settings->img_height % (8 * settings->ver_dcm) != 0) { - settings->img_height -= settings->img_height % (8 * settings->ver_dcm); - if (settings->img_height == 0) - settings->img_height = 8 * settings->ver_dcm; - err0++; - } - - if (!try && err0) { - pci_err(zr->pci_dev, "%s - error in params for decimation = 0\n", __func__); - err++; - } - break; - default: - pci_err(zr->pci_dev, "%s - decimation = %d, must be 0, 1, 2 or 4\n", - __func__, settings->decimation); - err++; - break; - } - - if (settings->jpg_comp.quality > 100) - settings->jpg_comp.quality = 100; - if (settings->jpg_comp.quality < 5) - settings->jpg_comp.quality = 5; - if (settings->jpg_comp.APPn < 0) - settings->jpg_comp.APPn = 0; - if (settings->jpg_comp.APPn > 15) - settings->jpg_comp.APPn = 15; - if (settings->jpg_comp.APP_len < 0) - settings->jpg_comp.APP_len = 0; - if (settings->jpg_comp.APP_len > 60) - settings->jpg_comp.APP_len = 60; - if (settings->jpg_comp.COM_len < 0) - settings->jpg_comp.COM_len = 0; - if (settings->jpg_comp.COM_len > 60) - settings->jpg_comp.COM_len = 60; - if (err) - return -EINVAL; - return 0; -} - -void zoran_open_init_params(struct zoran *zr) -{ - int i; - - zr->v4l_settings.width = 192; - zr->v4l_settings.height = 144; - zr->v4l_settings.format = &zoran_formats[7]; /* YUY2 - YUV-4:2:2 packed */ - zr->v4l_settings.bytesperline = zr->v4l_settings.width * - ((zr->v4l_settings.format->depth + 7) / 8); - - /* Set necessary params and call zoran_check_jpg_settings to set the defaults */ - zr->jpg_settings.decimation = 1; - zr->jpg_settings.jpg_comp.quality = 50; /* default compression factor 8 */ - if (zr->card.type != BUZ) - zr->jpg_settings.odd_even = 1; - else - zr->jpg_settings.odd_even = 0; - zr->jpg_settings.jpg_comp.APPn = 0; - zr->jpg_settings.jpg_comp.APP_len = 0; /* No APPn marker */ - memset(zr->jpg_settings.jpg_comp.APP_data, 0, - sizeof(zr->jpg_settings.jpg_comp.APP_data)); - zr->jpg_settings.jpg_comp.COM_len = 0; /* No COM marker */ - memset(zr->jpg_settings.jpg_comp.COM_data, 0, - sizeof(zr->jpg_settings.jpg_comp.COM_data)); - zr->jpg_settings.jpg_comp.jpeg_markers = - V4L2_JPEG_MARKER_DHT | V4L2_JPEG_MARKER_DQT; - i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0); - if (i) - pci_err(zr->pci_dev, "%s internal error\n", __func__); - - zr->buffer_size = zr->v4l_settings.bytesperline * zr->v4l_settings.height; - - clear_interrupt_counters(zr); -} - -static int zr36057_init(struct zoran *zr) -{ - int j, err; - - pci_info(zr->pci_dev, "initializing card[%d]\n", zr->id); - - /* Avoid nonsense settings from user for default input/norm */ - if (default_norm < 0 || default_norm > 2) - default_norm = 0; - if (default_norm == 0) { - zr->norm = V4L2_STD_PAL; - zr->timing = zr->card.tvn[ZR_NORM_PAL]; - } else if (default_norm == 1) { - zr->norm = V4L2_STD_NTSC; - zr->timing = zr->card.tvn[ZR_NORM_NTSC]; - } else { - zr->norm = V4L2_STD_SECAM; - zr->timing = zr->card.tvn[ZR_NORM_SECAM]; - } - if (!zr->timing) { - pci_warn(zr->pci_dev, "%s - default TV standard not supported by hardware. PAL will be used.\n", __func__); - zr->norm = V4L2_STD_PAL; - zr->timing = zr->card.tvn[ZR_NORM_PAL]; - } - - if (default_input > zr->card.inputs - 1) { - pci_warn(zr->pci_dev, "default_input value %d out of range (0-%d)\n", - default_input, zr->card.inputs - 1); - default_input = 0; - } - zr->input = default_input; - - /* default setup (will be repeated at every open) */ - zoran_open_init_params(zr); - - /* allocate memory *before* doing anything to the hardware in case allocation fails */ - zr->video_dev = video_device_alloc(); - if (!zr->video_dev) { - err = -ENOMEM; - goto exit; - } - zr->stat_com = dma_alloc_coherent(&zr->pci_dev->dev, - BUZ_NUM_STAT_COM * sizeof(u32), - &zr->p_sc, GFP_KERNEL); - if (!zr->stat_com) { - err = -ENOMEM; - goto exit_video; - } - for (j = 0; j < BUZ_NUM_STAT_COM; j++) - zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ - - zr->stat_comb = dma_alloc_coherent(&zr->pci_dev->dev, - BUZ_NUM_STAT_COM * sizeof(u32) * 2, - &zr->p_scb, GFP_KERNEL); - if (!zr->stat_comb) { - err = -ENOMEM; - goto exit_statcom; - } - - /* Now add the template and register the device unit. */ - *zr->video_dev = zoran_template; - zr->video_dev->v4l2_dev = &zr->v4l2_dev; - zr->video_dev->lock = &zr->lock; - zr->video_dev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE; - - strscpy(zr->video_dev->name, ZR_DEVNAME(zr), sizeof(zr->video_dev->name)); - /* - * It's not a mem2mem device, but you can both capture and output from one and the same - * device. This should really be split up into two device nodes, but that's a job for - * another day. - */ - zr->video_dev->vfl_dir = VFL_DIR_M2M; - - zoran_queue_init(zr, &zr->vq); - - err = video_register_device(zr->video_dev, VFL_TYPE_VIDEO, video_nr[zr->id]); - if (err < 0) - goto exit_statcomb; - video_set_drvdata(zr->video_dev, zr); - - zoran_init_hardware(zr); - if (!pass_through) { - decoder_call(zr, video, s_stream, 0); - encoder_call(zr, video, s_routing, 2, 0, 0); - } - - zr->initialized = 1; - return 0; - -exit_statcomb: - dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2, zr->stat_comb, zr->p_scb); -exit_statcom: - dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), zr->stat_com, zr->p_sc); -exit_video: - kfree(zr->video_dev); -exit: - return err; -} - -static void zoran_remove(struct pci_dev *pdev) -{ - struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev); - struct zoran *zr = to_zoran(v4l2_dev); - - if (!zr->initialized) - goto exit_free; - - zoran_queue_exit(zr); - - /* unregister videocodec bus */ - if (zr->codec) - videocodec_detach(zr->codec); - if (zr->vfe) - videocodec_detach(zr->vfe); - - /* unregister i2c bus */ - zoran_unregister_i2c(zr); - /* disable PCI bus-mastering */ - zoran_set_pci_master(zr, 0); - /* put chip into reset */ - btwrite(0, ZR36057_SPGPPCR); - pci_free_irq(zr->pci_dev, 0, zr); - /* unmap and free memory */ - dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32), zr->stat_com, zr->p_sc); - dma_free_coherent(&zr->pci_dev->dev, BUZ_NUM_STAT_COM * sizeof(u32) * 2, zr->stat_comb, zr->p_scb); - pci_release_regions(pdev); - pci_disable_device(zr->pci_dev); - video_unregister_device(zr->video_dev); -exit_free: - v4l2_ctrl_handler_free(&zr->hdl); - v4l2_device_unregister(&zr->v4l2_dev); -} - -void zoran_vdev_release(struct video_device *vdev) -{ - kfree(vdev); -} - -static struct videocodec_master *zoran_setup_videocodec(struct zoran *zr, - int type) -{ - struct videocodec_master *m = NULL; - - m = devm_kmalloc(&zr->pci_dev->dev, sizeof(*m), GFP_KERNEL); - if (!m) - return m; - - /* - * magic and type are unused for master struct. Makes sense only at codec structs. - * In the past, .type were initialized to the old V4L1 .hardware value, - * as VID_HARDWARE_ZR36067 - */ - m->magic = 0L; - m->type = 0; - - m->flags = CODEC_FLAG_ENCODER | CODEC_FLAG_DECODER; - strscpy(m->name, ZR_DEVNAME(zr), sizeof(m->name)); - m->data = zr; - - switch (type) { - case CODEC_TYPE_ZR36060: - m->readreg = zr36060_read; - m->writereg = zr36060_write; - m->flags |= CODEC_FLAG_JPEG | CODEC_FLAG_VFE; - break; - case CODEC_TYPE_ZR36050: - m->readreg = zr36050_read; - m->writereg = zr36050_write; - m->flags |= CODEC_FLAG_JPEG; - break; - case CODEC_TYPE_ZR36016: - m->readreg = zr36016_read; - m->writereg = zr36016_write; - m->flags |= CODEC_FLAG_VFE; - break; - } - - return m; -} - -static void zoran_subdev_notify(struct v4l2_subdev *sd, unsigned int cmd, void *arg) -{ - struct zoran *zr = to_zoran(sd->v4l2_dev); - - /* - * Bt819 needs to reset its FIFO buffer using #FRST pin and - * LML33 card uses GPIO(7) for that. - */ - if (cmd == BT819_FIFO_RESET_LOW) - GPIO(zr, 7, 0); - else if (cmd == BT819_FIFO_RESET_HIGH) - GPIO(zr, 7, 1); -} - -static int zoran_video_set_ctrl(struct v4l2_ctrl *ctrl) -{ - struct zoran *zr = container_of(ctrl->handler, struct zoran, hdl); - - switch (ctrl->id) { - case V4L2_CID_JPEG_COMPRESSION_QUALITY: - zr->jpg_settings.jpg_comp.quality = ctrl->val; - return zoran_check_jpg_settings(zr, &zr->jpg_settings, 0); - default: - return -EINVAL; - } - - return 0; -} - -static const struct v4l2_ctrl_ops zoran_video_ctrl_ops = { - .s_ctrl = zoran_video_set_ctrl, -}; - -/* - * Scan for a Buz card (actually for the PCI controller ZR36057), - * request the irq and map the io memory - */ -static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent) -{ - unsigned char latency, need_latency; - struct zoran *zr; - int result; - struct videocodec_master *master_vfe = NULL; - struct videocodec_master *master_codec = NULL; - int card_num; - const char *codec_name, *vfe_name; - unsigned int nr; - int err; - - err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - if (err) - return -ENODEV; - vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32)); - - nr = zoran_num++; - if (nr >= BUZ_MAX) { - pci_err(pdev, "driver limited to %d card(s) maximum\n", BUZ_MAX); - return -ENOENT; - } - - zr = devm_kzalloc(&pdev->dev, sizeof(*zr), GFP_KERNEL); - if (!zr) - return -ENOMEM; - - zr->v4l2_dev.notify = zoran_subdev_notify; - if (v4l2_device_register(&pdev->dev, &zr->v4l2_dev)) - goto zr_free_mem; - zr->pci_dev = pdev; - zr->id = nr; - snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id); - if (v4l2_ctrl_handler_init(&zr->hdl, 10)) - goto zr_unreg; - zr->v4l2_dev.ctrl_handler = &zr->hdl; - v4l2_ctrl_new_std(&zr->hdl, &zoran_video_ctrl_ops, - V4L2_CID_JPEG_COMPRESSION_QUALITY, 0, - 100, 1, 50); - spin_lock_init(&zr->spinlock); - mutex_init(&zr->lock); - if (pci_enable_device(pdev)) - goto zr_unreg; - zr->revision = zr->pci_dev->revision; - - pci_info(zr->pci_dev, "Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n", - zr->revision < 2 ? '5' : '6', zr->revision, - zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0)); - if (zr->revision >= 2) - pci_info(zr->pci_dev, "Subsystem vendor=0x%04x id=0x%04x\n", - zr->pci_dev->subsystem_vendor, zr->pci_dev->subsystem_device); - - /* Use auto-detected card type? */ - if (card[nr] == -1) { - if (zr->revision < 2) { - pci_err(pdev, "No card type specified, please use the card=X module parameter\n"); - pci_err(pdev, "It is not possible to auto-detect ZR36057 based cards\n"); - goto zr_unreg; - } - - card_num = ent->driver_data; - if (card_num >= NUM_CARDS) { - pci_err(pdev, "Unknown card, try specifying card=X module parameter\n"); - goto zr_unreg; - } - pci_info(zr->pci_dev, "%s() - card %s detected\n", __func__, zoran_cards[card_num].name); - } else { - card_num = card[nr]; - if (card_num >= NUM_CARDS || card_num < 0) { - pci_err(pdev, "User specified card type %d out of range (0 .. %d)\n", - card_num, NUM_CARDS - 1); - goto zr_unreg; - } - } - - /* - * even though we make this a non pointer and thus - * theoretically allow for making changes to this struct - * on a per-individual card basis at runtime, this is - * strongly discouraged. This structure is intended to - * keep general card information, no settings or anything - */ - zr->card = zoran_cards[card_num]; - snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "%s[%u]", - zr->card.name, zr->id); - - err = pci_request_regions(pdev, ZR_DEVNAME(zr)); - if (err) - goto zr_unreg; - - zr->zr36057_mem = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); - if (!zr->zr36057_mem) { - pci_err(pdev, "%s() - ioremap failed\n", __func__); - goto zr_pci_release; - } - - result = pci_request_irq(pdev, 0, zoran_irq, NULL, zr, ZR_DEVNAME(zr)); - if (result < 0) { - if (result == -EINVAL) { - pci_err(pdev, "%s - bad IRQ number or handler\n", __func__); - } else if (result == -EBUSY) { - pci_err(pdev, "%s - IRQ %d busy, change your PnP config in BIOS\n", - __func__, zr->pci_dev->irq); - } else { - pci_err(pdev, "%s - cannot assign IRQ, error code %d\n", __func__, result); - } - goto zr_pci_release; - } - - /* set PCI latency timer */ - pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, - &latency); - need_latency = zr->revision > 1 ? 32 : 48; - if (latency != need_latency) { - pci_info(zr->pci_dev, "Changing PCI latency from %d to %d\n", latency, need_latency); - pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, need_latency); - } - - zr36057_restart(zr); - /* i2c */ - pci_info(zr->pci_dev, "Initializing i2c bus...\n"); - - if (zoran_register_i2c(zr) < 0) { - pci_err(pdev, "%s - can't initialize i2c bus\n", __func__); - goto zr_free_irq; - } - - zr->decoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter, - zr->card.i2c_decoder, 0, - zr->card.addrs_decoder); - - if (zr->card.i2c_encoder) - zr->encoder = v4l2_i2c_new_subdev(&zr->v4l2_dev, &zr->i2c_adapter, - zr->card.i2c_encoder, 0, - zr->card.addrs_encoder); - - pci_info(zr->pci_dev, "Initializing videocodec bus...\n"); - - if (zr->card.video_codec) { - codec_name = codecid_to_modulename(zr->card.video_codec); - if (codec_name) { - result = request_module(codec_name); - if (result) - pci_err(pdev, "failed to load modules %s: %d\n", codec_name, result); - } - } - if (zr->card.video_vfe) { - vfe_name = codecid_to_modulename(zr->card.video_vfe); - if (vfe_name) { - result = request_module(vfe_name); - if (result < 0) - pci_err(pdev, "failed to load modules %s: %d\n", vfe_name, result); - } - } - - /* reset JPEG codec */ - jpeg_codec_sleep(zr, 1); - jpeg_codec_reset(zr); - /* video bus enabled */ - /* display codec revision */ - if (zr->card.video_codec != 0) { - master_codec = zoran_setup_videocodec(zr, zr->card.video_codec); - if (!master_codec) - goto zr_unreg_i2c; - zr->codec = videocodec_attach(master_codec); - if (!zr->codec) { - pci_err(pdev, "%s - no codec found\n", __func__); - goto zr_unreg_i2c; - } - if (zr->codec->type != zr->card.video_codec) { - pci_err(pdev, "%s - wrong codec\n", __func__); - goto zr_detach_codec; - } - } - if (zr->card.video_vfe != 0) { - master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe); - if (!master_vfe) - goto zr_detach_codec; - zr->vfe = videocodec_attach(master_vfe); - if (!zr->vfe) { - pci_err(pdev, "%s - no VFE found\n", __func__); - goto zr_detach_codec; - } - if (zr->vfe->type != zr->card.video_vfe) { - pci_err(pdev, "%s = wrong VFE\n", __func__); - goto zr_detach_vfe; - } - } - - /* take care of Natoma chipset and a revision 1 zr36057 */ - if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) - pci_info(zr->pci_dev, "ZR36057/Natoma bug, max. buffer size is 128K\n"); - - if (zr36057_init(zr) < 0) - goto zr_detach_vfe; - - zr->map_mode = ZORAN_MAP_MODE_RAW; - - return 0; - -zr_detach_vfe: - videocodec_detach(zr->vfe); -zr_detach_codec: - videocodec_detach(zr->codec); -zr_unreg_i2c: - zoran_unregister_i2c(zr); -zr_free_irq: - btwrite(0, ZR36057_SPGPPCR); - pci_free_irq(zr->pci_dev, 0, zr); -zr_pci_release: - pci_release_regions(pdev); -zr_unreg: - v4l2_ctrl_handler_free(&zr->hdl); - v4l2_device_unregister(&zr->v4l2_dev); -zr_free_mem: - - return -ENODEV; -} - -static struct pci_driver zoran_driver = { - .name = "zr36067", - .id_table = zr36067_pci_tbl, - .probe = zoran_probe, - .remove = zoran_remove, -}; - -static int __init zoran_init(void) -{ - int res; - - pr_info("Zoran MJPEG board driver version %s\n", ZORAN_VERSION); - - /* check the parameters we have been given, adjust if necessary */ - if (v4l_nbufs < 2) - v4l_nbufs = 2; - if (v4l_nbufs > VIDEO_MAX_FRAME) - v4l_nbufs = VIDEO_MAX_FRAME; - /* The user specifies the in KB, we want them in byte (and page aligned) */ - v4l_bufsize = PAGE_ALIGN(v4l_bufsize * 1024); - if (v4l_bufsize < 32768) - v4l_bufsize = 32768; - /* 2 MB is arbitrary but sufficient for the maximum possible images */ - if (v4l_bufsize > 2048 * 1024) - v4l_bufsize = 2048 * 1024; - if (jpg_nbufs < 4) - jpg_nbufs = 4; - if (jpg_nbufs > BUZ_MAX_FRAME) - jpg_nbufs = BUZ_MAX_FRAME; - jpg_bufsize = PAGE_ALIGN(jpg_bufsize * 1024); - if (jpg_bufsize < 8192) - jpg_bufsize = 8192; - if (jpg_bufsize > (512 * 1024)) - jpg_bufsize = 512 * 1024; - /* Use parameter for vidmem or try to find a video card */ - if (vidmem) - pr_info("%s: Using supplied video memory base address @ 0x%lx\n", ZORAN_NAME, vidmem); - - /* some mainboards might not do PCI-PCI data transfer well */ - if (pci_pci_problems & (PCIPCI_FAIL | PCIAGP_FAIL | PCIPCI_ALIMAGIK)) - pr_warn("%s: chipset does not support reliable PCI-PCI DMA\n", ZORAN_NAME); - - res = pci_register_driver(&zoran_driver); - if (res) { - pr_err("Unable to register ZR36057 driver\n"); - return res; - } - - return 0; -} - -static void __exit zoran_exit(void) -{ - pci_unregister_driver(&zoran_driver); -} - -module_init(zoran_init); -module_exit(zoran_exit); |