/* * 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 * * Currently maintained by: * Ronald Bultje * Laurent Pinchart * Mailinglist * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "videocodec.h" #include "zoran.h" #include "zoran_card.h" #include "zoran_device.h" #include "zoran_procfs.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"); static int encoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 }; module_param_array(encoder, int, NULL, 0444); MODULE_PARM_DESC(encoder, "Video encoder chip"); static int decoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 }; module_param_array(decoder, int, NULL, 0444); MODULE_PARM_DESC(decoder, "Video decoder chip"); /* 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 in a VIDIOCSFBUF ioctl */ static unsigned long vidmem; /* default = 0 - Video memory base address */ module_param(vidmem, ulong, 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)"); int pass_through = 0; /* 1=Pass through TV signal when device is not used */ /* 0=Show color bar when device is not used (LML33: only if lml33dpath=1) */ 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)"); MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver"); MODULE_AUTHOR("Serguei Miridonov"); MODULE_LICENSE("GPL"); #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 struct pci_device_id zr36067_pci_tbl[] = { ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus), ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus), 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) { dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __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) { dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __func__); } static void buz_init (struct zoran *zr) { dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __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) { dprintk(3, KERN_DEBUG "%s: %s\n", ZR_DEVNAME(zr), __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 char * codecid_to_modulename (u16 codecid) { 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, HStart, HSyncStart, Ht, Ha, VStart; // }; static struct tvnorm f50sqpixel = { 944, 768, 83, 880, 625, 576, 16 }; static struct tvnorm f60sqpixel = { 780, 640, 51, 716, 525, 480, 12 }; static struct tvnorm f50ccir601 = { 864, 720, 75, 804, 625, 576, 18 }; static struct tvnorm f60ccir601 = { 858, 720, 57, 788, 525, 480, 16 }; static struct tvnorm f50ccir601_lml33 = { 864, 720, 75+34, 804, 625, 576, 18 }; static struct tvnorm f60ccir601_lml33 = { 858, 720, 57+34, 788, 525, 480, 16 }; /* The DC10 (57/16/50) uses VActive as HSync, so HStart must be 0 */ static struct tvnorm f50sqpixel_dc10 = { 944, 768, 0, 880, 625, 576, 0 }; static 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 ) */ static struct tvnorm f50ccir601_lm33r10 = { 864, 720, 74+54, 804, 625, 576, 18 }; static 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 struct tvnorm f50ccir601_avs6eyes = { 864, 720, 74, 804, 625, 576, 18 }; static 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] __devinitdata = { { .type = DC10_old, .name = "DC10(old)", .i2c_decoder = "vpx3220a", .mod_decoder = "vpx3220", .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", .mod_decoder = "saa7110", .addrs_decoder = saa7110_addrs, .i2c_encoder = "adv7175", .mod_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 = DC10plus, .name = "DC10plus", .i2c_decoder = "saa7110", .mod_decoder = "saa7110", .addrs_decoder = saa7110_addrs, .i2c_encoder = "adv7175", .mod_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", .mod_decoder = "vpx3220", .addrs_decoder = vpx3220_addrs, .i2c_encoder = "adv7175", .mod_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 = DC30plus, .name = "DC30plus", .i2c_decoder = "vpx3220a", .mod_decoder = "vpx3220", .addrs_decoder = vpx3220_addrs, .i2c_encoder = "adv7175", .mod_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", .mod_decoder = "bt819", .addrs_decoder = bt819_addrs, .i2c_encoder = "bt856", .mod_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", .mod_decoder = "saa7115", .addrs_decoder = saa7114_addrs, .i2c_encoder = "adv7170", .mod_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", .mod_decoder = "saa7115", .addrs_decoder = saa7111_addrs, .i2c_encoder = "saa7185", .mod_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", .mod_decoder = "ks0127", .addrs_decoder = ks0127_addrs, .i2c_encoder = "bt866", .mod_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) { memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template, sizeof(struct i2c_algo_bit_data)); zr->i2c_algo.data = zr; strlcpy(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; dprintk(4, KERN_DEBUG "%s: %s - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n", ZR_DEVNAME(zr), __func__, settings->decimation, settings->HorDcm, settings->VerDcm, settings->TmpDcm); dprintk(4, KERN_DEBUG "%s: %s - x: %d, y: %d, w: %d, y: %d\n", ZR_DEVNAME(zr), __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->HorDcm = 1; settings->VerDcm = 1; settings->TmpDcm = 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->HorDcm = 2; settings->VerDcm = 1; settings->TmpDcm = 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) { dprintk(1, KERN_DEBUG "%s: %s - HDec by 4 is not supported on the DC10\n", ZR_DEVNAME(zr), __func__); err0++; break; } settings->HorDcm = 4; settings->VerDcm = 2; settings->TmpDcm = 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->HorDcm != 1 && settings->HorDcm != 2 && (zr->card.type == DC10_new || settings->HorDcm != 4)) { settings->HorDcm = clamp(settings->HorDcm, 1, 2); err0++; } if (settings->VerDcm != 1 && settings->VerDcm != 2) { settings->VerDcm = clamp(settings->VerDcm, 1, 2); err0++; } if (settings->TmpDcm != 1 && settings->TmpDcm != 2) { settings->TmpDcm = clamp(settings->TmpDcm, 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->HorDcm) != 0) { settings->img_width -= settings->img_width % (16 * settings->HorDcm); if (settings->img_width == 0) settings->img_width = 16 * settings->HorDcm; err0++; } if (settings->img_height % (8 * settings->VerDcm) != 0) { settings->img_height -= settings->img_height % (8 * settings->VerDcm); if (settings->img_height == 0) settings->img_height = 8 * settings->VerDcm; err0++; } if (!try && err0) { dprintk(1, KERN_ERR "%s: %s - error in params for decimation = 0\n", ZR_DEVNAME(zr), __func__); err++; } break; default: dprintk(1, KERN_ERR "%s: %s - decimation = %d, must be 0, 1, 2 or 4\n", ZR_DEVNAME(zr), __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; /* User must explicitly set a window */ zr->overlay_settings.is_set = 0; zr->overlay_mask = NULL; zr->overlay_active = ZORAN_FREE; zr->v4l_memgrab_active = 0; zr->v4l_overlay_active = 0; zr->v4l_grab_frame = NO_GRAB_ACTIVE; zr->v4l_grab_seq = 0; 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); /* DMA ring stuff for V4L */ zr->v4l_pend_tail = 0; zr->v4l_pend_head = 0; zr->v4l_sync_tail = 0; zr->v4l_buffers.active = ZORAN_FREE; for (i = 0; i < VIDEO_MAX_FRAME; i++) { zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ } zr->v4l_buffers.allocated = 0; for (i = 0; i < BUZ_MAX_FRAME; i++) { zr->jpg_buffers.buffer[i].state = BUZ_STATE_USER; /* nothing going on */ } zr->jpg_buffers.active = ZORAN_FREE; zr->jpg_buffers.allocated = 0; /* 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 = JPEG_MARKER_DHT | JPEG_MARKER_DQT; i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0); if (i) dprintk(1, KERN_ERR "%s: %s internal error\n", ZR_DEVNAME(zr), __func__); clear_interrupt_counters(zr); zr->testing = 0; } static void __devinit test_interrupts (struct zoran *zr) { DEFINE_WAIT(wait); int timeout, icr; clear_interrupt_counters(zr); zr->testing = 1; icr = btread(ZR36057_ICR); btwrite(0x78000000 | ZR36057_ICR_IntPinEn, ZR36057_ICR); prepare_to_wait(&zr->test_q, &wait, TASK_INTERRUPTIBLE); timeout = schedule_timeout(HZ); finish_wait(&zr->test_q, &wait); btwrite(0, ZR36057_ICR); btwrite(0x78000000, ZR36057_ISR); zr->testing = 0; dprintk(5, KERN_INFO "%s: Testing interrupts...\n", ZR_DEVNAME(zr)); if (timeout) { dprintk(1, ": time spent: %d\n", 1 * HZ - timeout); } if (zr36067_debug > 1) print_interrupts(zr); btwrite(icr, ZR36057_ICR); } static int __devinit zr36057_init (struct zoran *zr) { int j, err; dprintk(1, KERN_INFO "%s: %s - initializing card[%d], zr=%p\n", ZR_DEVNAME(zr), __func__, zr->id, zr); /* default setup of all parameters which will persist between opens */ zr->user = 0; init_waitqueue_head(&zr->v4l_capq); init_waitqueue_head(&zr->jpg_capq); init_waitqueue_head(&zr->test_q); zr->jpg_buffers.allocated = 0; zr->v4l_buffers.allocated = 0; zr->vbuf_base = (void *) vidmem; zr->vbuf_width = 0; zr->vbuf_height = 0; zr->vbuf_depth = 0; zr->vbuf_bytesperline = 0; /* 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[0]; } else if (default_norm == 1) { zr->norm = V4L2_STD_NTSC; zr->timing = zr->card.tvn[1]; } else { zr->norm = V4L2_STD_SECAM; zr->timing = zr->card.tvn[2]; } if (zr->timing == NULL) { dprintk(1, KERN_WARNING "%s: %s - default TV standard not supported by hardware. PAL will be used.\n", ZR_DEVNAME(zr), __func__); zr->norm = V4L2_STD_PAL; zr->timing = zr->card.tvn[0]; } if (default_input > zr->card.inputs-1) { dprintk(1, KERN_WARNING "%s: default_input value %d out of range (0-%d)\n", ZR_DEVNAME(zr), 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->stat_com = kzalloc(BUZ_NUM_STAT_COM * 4, GFP_KERNEL); zr->video_dev = kmalloc(sizeof(struct video_device), GFP_KERNEL); if (!zr->stat_com || !zr->video_dev) { dprintk(1, KERN_ERR "%s: %s - kmalloc (STAT_COM) failed\n", ZR_DEVNAME(zr), __func__); err = -ENOMEM; goto exit_free; } for (j = 0; j < BUZ_NUM_STAT_COM; j++) { zr->stat_com[j] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ } /* * Now add the template and register the device unit. */ memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template)); zr->video_dev->parent = &zr->pci_dev->dev; strcpy(zr->video_dev->name, ZR_DEVNAME(zr)); err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]); if (err < 0) goto exit_free; video_set_drvdata(zr->video_dev, zr); zoran_init_hardware(zr); if (zr36067_debug > 2) detect_guest_activity(zr); test_interrupts(zr); if (!pass_through) { decoder_call(zr, video, s_stream, 0); encoder_call(zr, video, s_routing, 2, 0, 0); } zr->zoran_proc = NULL; zr->initialized = 1; return 0; exit_free: kfree(zr->stat_com); kfree(zr->video_dev); return err; } static void __devexit 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; /* unregister videocodec bus */ if (zr->codec) { struct videocodec_master *master = zr->codec->master_data; videocodec_detach(zr->codec); kfree(master); } if (zr->vfe) { struct videocodec_master *master = zr->vfe->master_data; videocodec_detach(zr->vfe); kfree(master); } /* 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); free_irq(zr->pci_dev->irq, zr); /* unmap and free memory */ kfree(zr->stat_com); zoran_proc_cleanup(zr); iounmap(zr->zr36057_mem); pci_disable_device(zr->pci_dev); video_unregister_device(zr->video_dev); exit_free: v4l2_device_unregister(&zr->v4l2_dev); kfree(zr); } void zoran_vdev_release (struct video_device *vdev) { kfree(vdev); } static struct videocodec_master * __devinit zoran_setup_videocodec (struct zoran *zr, int type) { struct videocodec_master *m = NULL; m = kmalloc(sizeof(struct videocodec_master), GFP_KERNEL); if (!m) { dprintk(1, KERN_ERR "%s: %s - no memory\n", ZR_DEVNAME(zr), __func__); 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; strncpy(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); } /* * Scan for a Buz card (actually for the PCI controller ZR36057), * request the irq and map the io memory */ static int __devinit 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; char *codec_name, *vfe_name; unsigned int nr; nr = zoran_num++; if (nr >= BUZ_MAX) { dprintk(1, KERN_ERR "%s: driver limited to %d card(s) maximum\n", ZORAN_NAME, BUZ_MAX); return -ENOENT; } zr = kzalloc(sizeof(struct zoran), GFP_KERNEL); if (!zr) { dprintk(1, KERN_ERR "%s: %s - kzalloc failed\n", ZORAN_NAME, __func__); 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); spin_lock_init(&zr->spinlock); mutex_init(&zr->resource_lock); if (pci_enable_device(pdev)) goto zr_unreg; pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, &zr->revision); dprintk(1, KERN_INFO "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n", ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision, zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0)); if (zr->revision >= 2) { dprintk(1, KERN_INFO "%s: Subsystem vendor=0x%04x id=0x%04x\n", ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor, zr->pci_dev->subsystem_device); } /* Use auto-detected card type? */ if (card[nr] == -1) { if (zr->revision < 2) { dprintk(1, KERN_ERR "%s: No card type specified, please use the card=X module parameter\n", ZR_DEVNAME(zr)); dprintk(1, KERN_ERR "%s: It is not possible to auto-detect ZR36057 based cards\n", ZR_DEVNAME(zr)); goto zr_unreg; } card_num = ent->driver_data; if (card_num >= NUM_CARDS) { dprintk(1, KERN_ERR "%s: Unknown card, try specifying card=X module parameter\n", ZR_DEVNAME(zr)); goto zr_unreg; } dprintk(3, KERN_DEBUG "%s: %s() - card %s detected\n", ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name); } else { card_num = card[nr]; if (card_num >= NUM_CARDS || card_num < 0) { dprintk(1, KERN_ERR "%s: User specified card type %d out of range (0 .. %d)\n", ZR_DEVNAME(zr), 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); zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0); if (!zr->zr36057_mem) { dprintk(1, KERN_ERR "%s: %s() - ioremap failed\n", ZR_DEVNAME(zr), __func__); goto zr_unreg; } result = request_irq(zr->pci_dev->irq, zoran_irq, IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr); if (result < 0) { if (result == -EINVAL) { dprintk(1, KERN_ERR "%s: %s - bad irq number or handler\n", ZR_DEVNAME(zr), __func__); } else if (result == -EBUSY) { dprintk(1, KERN_ERR "%s: %s - IRQ %d busy, change your PnP config in BIOS\n", ZR_DEVNAME(zr), __func__, zr->pci_dev->irq); } else { dprintk(1, KERN_ERR "%s: %s - can't assign irq, error code %d\n", ZR_DEVNAME(zr), __func__, result); } goto zr_unmap; } /* 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) { dprintk(2, KERN_INFO "%s: Changing PCI latency from %d to %d\n", ZR_DEVNAME(zr), latency, need_latency); pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, need_latency); } zr36057_restart(zr); /* i2c */ dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n", ZR_DEVNAME(zr)); if (zoran_register_i2c(zr) < 0) { dprintk(1, KERN_ERR "%s: %s - can't initialize i2c bus\n", ZR_DEVNAME(zr), __func__); goto zr_free_irq; } zr->decoder = v4l2_i2c_new_probed_subdev(&zr->v4l2_dev, &zr->i2c_adapter, zr->card.mod_decoder, zr->card.i2c_decoder, zr->card.addrs_decoder); if (zr->card.mod_encoder) zr->encoder = v4l2_i2c_new_probed_subdev(&zr->v4l2_dev, &zr->i2c_adapter, zr->card.mod_encoder, zr->card.i2c_encoder, zr->card.addrs_encoder); dprintk(2, KERN_INFO "%s: Initializing videocodec bus...\n", ZR_DEVNAME(zr)); if (zr->card.video_codec) { codec_name = codecid_to_modulename(zr->card.video_codec); if (codec_name) { result = request_module(codec_name); if (result) { dprintk(1, KERN_ERR "%s: failed to load modules %s: %d\n", ZR_DEVNAME(zr), 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) { dprintk(1, KERN_ERR "%s: failed to load modules %s: %d\n", ZR_DEVNAME(zr), 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) { dprintk(1, KERN_ERR "%s: %s - no codec found\n", ZR_DEVNAME(zr), __func__); goto zr_free_codec; } if (zr->codec->type != zr->card.video_codec) { dprintk(1, KERN_ERR "%s: %s - wrong codec\n", ZR_DEVNAME(zr), __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) { dprintk(1, KERN_ERR "%s: %s - no VFE found\n", ZR_DEVNAME(zr), __func__); goto zr_free_vfe; } if (zr->vfe->type != zr->card.video_vfe) { dprintk(1, KERN_ERR "%s: %s = wrong VFE\n", ZR_DEVNAME(zr), __func__); goto zr_detach_vfe; } } /* take care of Natoma chipset and a revision 1 zr36057 */ if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) { zr->jpg_buffers.need_contiguous = 1; dprintk(1, KERN_INFO "%s: ZR36057/Natoma bug, max. buffer size is 128K\n", ZR_DEVNAME(zr)); } if (zr36057_init(zr) < 0) goto zr_detach_vfe; zoran_proc_init(zr); return 0; zr_detach_vfe: videocodec_detach(zr->vfe); zr_free_vfe: kfree(master_vfe); zr_detach_codec: videocodec_detach(zr->codec); zr_free_codec: kfree(master_codec); zr_unreg_i2c: zoran_unregister_i2c(zr); zr_free_irq: btwrite(0, ZR36057_SPGPPCR); free_irq(zr->pci_dev->irq, zr); zr_unmap: iounmap(zr->zr36057_mem); zr_unreg: v4l2_device_unregister(&zr->v4l2_dev); zr_free_mem: kfree(zr); return -ENODEV; } static struct pci_driver zoran_driver = { .name = "zr36067", .id_table = zr36067_pci_tbl, .probe = zoran_probe, .remove = __devexit_p(zoran_remove), }; static int __init zoran_init(void) { int res; printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n", MAJOR_VERSION, MINOR_VERSION, RELEASE_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 specfies 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) { dprintk(1, KERN_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)) { dprintk(1, KERN_WARNING "%s: chipset does not support reliable PCI-PCI DMA\n", ZORAN_NAME); } res = pci_register_driver(&zoran_driver); if (res) { dprintk(1, KERN_ERR "%s: Unable to register ZR36057 driver\n", ZORAN_NAME); return res; } return 0; } static void __exit zoran_exit(void) { pci_unregister_driver(&zoran_driver); } module_init(zoran_init); module_exit(zoran_exit);