diff options
Diffstat (limited to 'drivers/media/video/zoran_card.c')
| -rw-r--r-- | drivers/media/video/zoran_card.c | 1583 |
1 files changed, 1583 insertions, 0 deletions
diff --git a/drivers/media/video/zoran_card.c b/drivers/media/video/zoran_card.c new file mode 100644 index 000000000000..25743085b2d5 --- /dev/null +++ b/drivers/media/video/zoran_card.c @@ -0,0 +1,1583 @@ +/* + * 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> + * + * Currently maintained by: + * Ronald Bultje <rbultje@ronald.bitfreak.net> + * Laurent Pinchart <laurent.pinchart@skynet.be> + * Mailinglist <mjpeg-users@lists.sf.net> + * + * 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/config.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/vmalloc.h> + +#include <linux/proc_fs.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/videodev.h> +#include <linux/spinlock.h> +#include <linux/sem.h> +#include <linux/kmod.h> +#include <linux/wait.h> + +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/video_decoder.h> +#include <linux/video_encoder.h> + +#include <asm/io.h> + +#include "videocodec.h" +#include "zoran.h" +#include "zoran_card.h" +#include "zoran_device.h" +#include "zoran_procfs.h" + +#define I2C_NAME(x) (x)->name + +extern const struct zoran_format zoran_formats[]; + +static int card[BUZ_MAX] = { -1, -1, -1, -1 }; +module_param_array(card, int, NULL, 0); +MODULE_PARM_DESC(card, "The type of card"); + +static int encoder[BUZ_MAX] = { -1, -1, -1, -1 }; +module_param_array(encoder, int, NULL, 0); +MODULE_PARM_DESC(encoder, "i2c TV encoder"); + +static int decoder[BUZ_MAX] = { -1, -1, -1, -1 }; +module_param_array(decoder, int, NULL, 0); +MODULE_PARM_DESC(decoder, "i2c TV decoder"); + +/* + 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 = 0; /* Video memory base address */ +module_param(vidmem, ulong, 0); + +/* + Default input and video norm at startup of the driver. +*/ + +static int default_input = 0; /* 0=Composite, 1=S-Video */ +module_param(default_input, int, 0); +MODULE_PARM_DESC(default_input, + "Default input (0=Composite, 1=S-Video, 2=Internal)"); + +static int default_norm = 0; /* 0=PAL, 1=NTSC 2=SECAM */ +module_param(default_norm, int, 0); +MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)"); + +static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ +module_param(video_nr, int, 0); +MODULE_PARM_DESC(video_nr, "video device number"); + +/* + Number and size of grab buffers for Video 4 Linux + The vast majority of applications should not need more than 2, + the very popular BTTV driver actually does ONLY have 2. + Time sensitive applications might need more, the maximum + is VIDEO_MAX_FRAME (defined in <linux/videodev.h>). + + The size is set so that the maximum possible request + can be satisfied. Decrease it, if bigphys_area alloc'd + memory is low. If you don't have the bigphys_area patch, + set it to 128 KB. Will you allow only to grab small + images with V4L, but that's better than nothing. + + v4l_bufsize has to be given in KB ! + +*/ + +int v4l_nbufs = 2; +int v4l_bufsize = 128; /* Everybody should be able to work with this setting */ +module_param(v4l_nbufs, int, 0); +MODULE_PARM_DESC(v4l_nbufs, "Maximum number of V4L buffers to use"); +module_param(v4l_bufsize, int, 0); +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, 0); +MODULE_PARM_DESC(jpg_nbufs, "Maximum number of JPG buffers to use"); +module_param(jpg_bufsize, int, 0); +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, 0); +MODULE_PARM_DESC(pass_through, + "Pass TV signal through to TV-out when idling"); + +static int debug = 1; +int *zr_debug = &debug; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0-4)"); + +MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver"); +MODULE_AUTHOR("Serguei Miridonov"); +MODULE_LICENSE("GPL"); + +static struct pci_device_id zr36067_pci_tbl[] = { + {PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36057, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {0} +}; +MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl); + +#define dprintk(num, format, args...) \ + do { \ + if (*zr_debug >= num) \ + printk(format, ##args); \ + } while (0) + +int zoran_num; /* number of Buzs in use */ +struct zoran zoran[BUZ_MAX]; + +/* 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: dc10_init()\n", ZR_DEVNAME(zr)); + + /* 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: dc10plus_init()\n", ZR_DEVNAME(zr)); +} + +static void +buz_init (struct zoran *zr) +{ + dprintk(3, KERN_DEBUG "%s: buz_init()\n", ZR_DEVNAME(zr)); + + /* 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: lml33_init()\n", ZR_DEVNAME(zr)); + + GPIO(zr, 2, 1); // Set Composite input/output +} + +static char * +i2cid_to_modulename (u16 i2c_id) +{ + char *name = NULL; + + switch (i2c_id) { + case I2C_DRIVERID_SAA7110: + name = "saa7110"; + break; + case I2C_DRIVERID_SAA7111A: + name = "saa7111"; + break; + case I2C_DRIVERID_SAA7114: + name = "saa7114"; + break; + case I2C_DRIVERID_SAA7185B: + name = "saa7185"; + break; + case I2C_DRIVERID_ADV7170: + name = "adv7170"; + break; + case I2C_DRIVERID_ADV7175: + name = "adv7175"; + break; + case I2C_DRIVERID_BT819: + name = "bt819"; + break; + case I2C_DRIVERID_BT856: + name = "bt856"; + break; + case I2C_DRIVERID_VPX3220: + name = "vpx3220"; + break; +/* case I2C_DRIVERID_VPX3224: + name = "vpx3224"; + break; + case I2C_DRIVERID_MSE3000: + name = "mse3000"; + break;*/ + default: + break; + } + + return name; +} + +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; + default: + 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 <max@linuxmedialabs.com>) */ +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 }; + +static struct card_info zoran_cards[NUM_CARDS] __devinitdata = { + { + .type = DC10_old, + .name = "DC10(old)", + .i2c_decoder = I2C_DRIVERID_VPX3220, + /*.i2c_encoder = I2C_DRIVERID_MSE3000,*/ + .video_codec = CODEC_TYPE_ZR36050, + .video_vfe = CODEC_TYPE_ZR36016, + + .inputs = 3, + .input = { + { 1, "Composite" }, + { 2, "S-Video" }, + { 0, "Internal/comp" } + }, + .norms = 3, + .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, + .init = &dc10_init, + }, { + .type = DC10_new, + .name = "DC10(new)", + .i2c_decoder = I2C_DRIVERID_SAA7110, + .i2c_encoder = I2C_DRIVERID_ADV7175, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 3, + .input = { + { 0, "Composite" }, + { 7, "S-Video" }, + { 5, "Internal/comp" } + }, + .norms = 3, + .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, + .init = &dc10plus_init, + }, { + .type = DC10plus, + .name = "DC10plus", + .vendor_id = PCI_VENDOR_ID_MIRO, + .device_id = PCI_DEVICE_ID_MIRO_DC10PLUS, + .i2c_decoder = I2C_DRIVERID_SAA7110, + .i2c_encoder = I2C_DRIVERID_ADV7175, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 3, + .input = { + { 0, "Composite" }, + { 7, "S-Video" }, + { 5, "Internal/comp" } + }, + .norms = 3, + .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, + .init = &dc10plus_init, + }, { + .type = DC30, + .name = "DC30", + .i2c_decoder = I2C_DRIVERID_VPX3220, + .i2c_encoder = I2C_DRIVERID_ADV7175, + .video_codec = CODEC_TYPE_ZR36050, + .video_vfe = CODEC_TYPE_ZR36016, + + .inputs = 3, + .input = { + { 1, "Composite" }, + { 2, "S-Video" }, + { 0, "Internal/comp" } + }, + .norms = 3, + .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, + .init = &dc10_init, + }, { + .type = DC30plus, + .name = "DC30plus", + .vendor_id = PCI_VENDOR_ID_MIRO, + .device_id = PCI_DEVICE_ID_MIRO_DC30PLUS, + .i2c_decoder = I2C_DRIVERID_VPX3220, + .i2c_encoder = I2C_DRIVERID_ADV7175, + .video_codec = CODEC_TYPE_ZR36050, + .video_vfe = CODEC_TYPE_ZR36016, + + .inputs = 3, + .input = { + { 1, "Composite" }, + { 2, "S-Video" }, + { 0, "Internal/comp" } + }, + .norms = 3, + .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, + .init = &dc10_init, + }, { + .type = LML33, + .name = "LML33", + .i2c_decoder = I2C_DRIVERID_BT819, + .i2c_encoder = I2C_DRIVERID_BT856, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 2, + .input = { + { 0, "Composite" }, + { 7, "S-Video" } + }, + .norms = 2, + .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, + .init = &lml33_init, + }, { + .type = LML33R10, + .name = "LML33R10", + .vendor_id = PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, + .device_id = PCI_DEVICE_ID_LML_33R10, + .i2c_decoder = I2C_DRIVERID_SAA7114, + .i2c_encoder = I2C_DRIVERID_ADV7170, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 2, + .input = { + { 0, "Composite" }, + { 7, "S-Video" } + }, + .norms = 2, + .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, + .init = &lml33_init, + }, { + .type = BUZ, + .name = "Buz", + .vendor_id = PCI_VENDOR_ID_IOMEGA, + .device_id = PCI_DEVICE_ID_IOMEGA_BUZ, + .i2c_decoder = I2C_DRIVERID_SAA7111A, + .i2c_encoder = I2C_DRIVERID_SAA7185B, + .video_codec = CODEC_TYPE_ZR36060, + + .inputs = 2, + .input = { + { 3, "Composite" }, + { 7, "S-Video" } + }, + .norms = 3, + .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, + .init = &buz_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 int +zoran_i2c_client_register (struct i2c_client *client) +{ + struct zoran *zr = (struct zoran *) i2c_get_adapdata(client->adapter); + int res = 0; + + dprintk(2, + KERN_DEBUG "%s: i2c_client_register() - driver id = %d\n", + ZR_DEVNAME(zr), client->driver->id); + + down(&zr->resource_lock); + + if (zr->user > 0) { + /* we're already busy, so we keep a reference to + * them... Could do a lot of stuff here, but this + * is easiest. (Did I ever mention I'm a lazy ass?) + */ + res = -EBUSY; + goto clientreg_unlock_and_return; + } + + if (client->driver->id == zr->card.i2c_decoder) + zr->decoder = client; + else if (client->driver->id == zr->card.i2c_encoder) + zr->encoder = client; + else { + res = -ENODEV; + goto clientreg_unlock_and_return; + } + +clientreg_unlock_and_return: + up(&zr->resource_lock); + + return res; +} + +static int +zoran_i2c_client_unregister (struct i2c_client *client) +{ + struct zoran *zr = (struct zoran *) i2c_get_adapdata(client->adapter); + int res = 0; + + dprintk(2, KERN_DEBUG "%s: i2c_client_unregister()\n", ZR_DEVNAME(zr)); + + down(&zr->resource_lock); + + if (zr->user > 0) { + res = -EBUSY; + goto clientunreg_unlock_and_return; + } + + /* try to locate it */ + if (client == zr->encoder) { + zr->encoder = NULL; + } else if (client == zr->decoder) { + zr->decoder = NULL; + snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%d]", zr->id); + } +clientunreg_unlock_and_return: + up(&zr->resource_lock); + return res; +} + +static 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, + .mdelay = 0, + .timeout = 100, +}; + +static struct i2c_adapter zoran_i2c_adapter_template = { + I2C_DEVNAME("zr36057"), + .id = I2C_HW_B_ZR36067, + .algo = NULL, + .client_register = zoran_i2c_client_register, + .client_unregister = zoran_i2c_client_unregister, +}; + +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; + memcpy(&zr->i2c_adapter, &zoran_i2c_adapter_template, + sizeof(struct i2c_adapter)); + strncpy(I2C_NAME(&zr->i2c_adapter), ZR_DEVNAME(zr), + sizeof(I2C_NAME(&zr->i2c_adapter)) - 1); + i2c_set_adapdata(&zr->i2c_adapter, zr); + zr->i2c_adapter.algo_data = &zr->i2c_algo; + return i2c_bit_add_bus(&zr->i2c_adapter); +} + +static void +zoran_unregister_i2c (struct zoran *zr) +{ + i2c_bit_del_bus((&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 err = 0, err0 = 0; + + dprintk(4, + KERN_DEBUG + "%s: check_jpg_settings() - dec: %d, Hdcm: %d, Vdcm: %d, Tdcm: %d\n", + ZR_DEVNAME(zr), settings->decimation, settings->HorDcm, + settings->VerDcm, settings->TmpDcm); + dprintk(4, + KERN_DEBUG + "%s: check_jpg_settings() - x: %d, y: %d, w: %d, y: %d\n", + ZR_DEVNAME(zr), 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: check_jpg_settings() - HDec by 4 is not supported on the DC10\n", + ZR_DEVNAME(zr)); + 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)) + err0++; + if (settings->VerDcm != 1 && settings->VerDcm != 2) + err0++; + if (settings->TmpDcm != 1 && settings->TmpDcm != 2) + err0++; + if (settings->field_per_buff != 1 && + settings->field_per_buff != 2) + err0++; + if (settings->img_x < 0) + err0++; + if (settings->img_y < 0) + err0++; + if (settings->img_width < 0) + err0++; + if (settings->img_height < 0) + err0++; + if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) + err0++; + if (settings->img_y + settings->img_height > + BUZ_MAX_HEIGHT / 2) + err0++; + if (settings->HorDcm && settings->VerDcm) { + if (settings->img_width % + (16 * settings->HorDcm) != 0) + err0++; + if (settings->img_height % + (8 * settings->VerDcm) != 0) + err0++; + } + + if (err0) { + dprintk(1, + KERN_ERR + "%s: check_jpg_settings() - error in params for decimation = 0\n", + ZR_DEVNAME(zr)); + err++; + } + break; + default: + dprintk(1, + KERN_ERR + "%s: check_jpg_settings() - decimation = %d, must be 0, 1, 2 or 4\n", + ZR_DEVNAME(zr), 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[4]; /* 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); + if (i) + dprintk(1, + KERN_ERR + "%s: zoran_open_init_params() internal error\n", + ZR_DEVNAME(zr)); + + 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 (*zr_debug > 1) + print_interrupts(zr); + btwrite(icr, ZR36057_ICR); +} + +static int __devinit +zr36057_init (struct zoran *zr) +{ + unsigned long mem; + void *vdev; + unsigned mem_needed; + int j; + int two = 2; + int zero = 0; + + dprintk(1, + KERN_INFO + "%s: zr36057_init() - initializing card[%d], zr=%p\n", + ZR_DEVNAME(zr), 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->buffer.base = (void *) vidmem; + zr->buffer.width = 0; + zr->buffer.height = 0; + zr->buffer.depth = 0; + zr->buffer.bytesperline = 0; + + /* Avoid nonsense settings from user for default input/norm */ + if (default_norm < VIDEO_MODE_PAL && + default_norm > VIDEO_MODE_SECAM) + default_norm = VIDEO_MODE_PAL; + zr->norm = default_norm; + if (!(zr->timing = zr->card.tvn[zr->norm])) { + dprintk(1, + KERN_WARNING + "%s: zr36057_init() - default TV standard not supported by hardware. PAL will be used.\n", + ZR_DEVNAME(zr)); + zr->norm = VIDEO_MODE_PAL; + zr->timing = zr->card.tvn[zr->norm]; + } + + zr->input = default_input = (default_input ? 1 : 0); + + /* Should the following be reset at every open ? */ + zr->hue = 32768; + zr->contrast = 32768; + zr->saturation = 32768; + zr->brightness = 32768; + + /* 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 */ + mem_needed = BUZ_NUM_STAT_COM * 4; + mem = (unsigned long) kmalloc(mem_needed, GFP_KERNEL); + vdev = (void *) kmalloc(sizeof(struct video_device), GFP_KERNEL); + if (!mem || !vdev) { + dprintk(1, + KERN_ERR + "%s: zr36057_init() - kmalloc (STAT_COM) failed\n", + ZR_DEVNAME(zr)); + if (vdev) + kfree(vdev); + if (mem) + kfree((void *)mem); + return -ENOMEM; + } + memset((void *) mem, 0, mem_needed); + zr->stat_com = (u32 *) mem; + for (j = 0; j < BUZ_NUM_STAT_COM; j++) { + zr->stat_com[j] = 1; /* mark as unavailable to zr36057 */ + } + + /* + * Now add the template and register the device unit. + */ + zr->video_dev = vdev; + memcpy(zr->video_dev, &zoran_template, sizeof(zoran_template)); + strcpy(zr->video_dev->name, ZR_DEVNAME(zr)); + if (video_register_device(zr->video_dev, VFL_TYPE_GRABBER, + video_nr) < 0) { + zoran_unregister_i2c(zr); + kfree((void *) zr->stat_com); + kfree(vdev); + return -1; + } + + zoran_init_hardware(zr); + if (*zr_debug > 2) + detect_guest_activity(zr); + test_interrupts(zr); + if (!pass_through) { + decoder_command(zr, DECODER_ENABLE_OUTPUT, &zero); + encoder_command(zr, ENCODER_SET_INPUT, &two); + } + + zr->zoran_proc = NULL; + zr->initialized = 1; + return 0; +} + +static void +zoran_release (struct zoran *zr) +{ + if (!zr->initialized) + return; + /* unregister videocodec bus */ + if (zr->codec) { + struct videocodec_master *master = zr->codec->master_data; + videocodec_detach(zr->codec); + if (master) + kfree(master); + } + if (zr->vfe) { + struct videocodec_master *master = zr->vfe->master_data; + videocodec_detach(zr->vfe); + if (master) + 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((void *) zr->stat_com); + zoran_proc_cleanup(zr); + iounmap(zr->zr36057_mem); + pci_disable_device(zr->pci_dev); + video_unregister_device(zr->video_dev); +} + +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: zoran_setup_videocodec() - no memory\n", + ZR_DEVNAME(zr)); + return m; + } + + m->magic = 0L; /* magic not used */ + m->type = VID_HARDWARE_ZR36067; + 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; +} + +/* + * Scan for a Buz card (actually for the PCI contoler ZR36057), + * request the irq and map the io memory + */ +static int __devinit +find_zr36057 (void) +{ + unsigned char latency, need_latency; + struct zoran *zr; + struct pci_dev *dev = NULL; + int result; + struct videocodec_master *master_vfe = NULL; + struct videocodec_master *master_codec = NULL; + int card_num; + char *i2c_enc_name, *i2c_dec_name, *codec_name, *vfe_name; + + zoran_num = 0; + while (zoran_num < BUZ_MAX && + (dev = + pci_find_device(PCI_VENDOR_ID_ZORAN, + PCI_DEVICE_ID_ZORAN_36057, dev)) != NULL) { + card_num = card[zoran_num]; + zr = &zoran[zoran_num]; + memset(zr, 0, sizeof(struct zoran)); // Just in case if previous cycle failed + zr->pci_dev = dev; + //zr->zr36057_mem = NULL; + zr->id = zoran_num; + snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id); + spin_lock_init(&zr->spinlock); + init_MUTEX(&zr->resource_lock); + if (pci_enable_device(dev)) + continue; + zr->zr36057_adr = pci_resource_start(zr->pci_dev, 0); + pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, + &zr->revision); + if (zr->revision < 2) { + dprintk(1, + KERN_INFO + "%s: Zoran ZR36057 (rev %d) irq: %d, memory: 0x%08x.\n", + ZR_DEVNAME(zr), zr->revision, zr->pci_dev->irq, + zr->zr36057_adr); + + if (card_num == -1) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - no card specified, please use the card=X insmod option\n", + ZR_DEVNAME(zr)); + continue; + } + } else { + int i; + unsigned short ss_vendor, ss_device; + + ss_vendor = zr->pci_dev->subsystem_vendor; + ss_device = zr->pci_dev->subsystem_device; + dprintk(1, + KERN_INFO + "%s: Zoran ZR36067 (rev %d) irq: %d, memory: 0x%08x\n", + ZR_DEVNAME(zr), zr->revision, zr->pci_dev->irq, + zr->zr36057_adr); + dprintk(1, + KERN_INFO + "%s: subsystem vendor=0x%04x id=0x%04x\n", + ZR_DEVNAME(zr), ss_vendor, ss_device); + if (card_num == -1) { + dprintk(3, + KERN_DEBUG + "%s: find_zr36057() - trying to autodetect card type\n", + ZR_DEVNAME(zr)); + for (i=0;i<NUM_CARDS;i++) { + if (ss_vendor == zoran_cards[i].vendor_id && + ss_device == zoran_cards[i].device_id) { + dprintk(3, + KERN_DEBUG + "%s: find_zr36057() - card %s detected\n", + ZR_DEVNAME(zr), + zoran_cards[i].name); + card_num = i; + break; + } + } + if (i == NUM_CARDS) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - unknown card\n", + ZR_DEVNAME(zr)); + continue; + } + } + } + + if (card_num < 0 || card_num >= NUM_CARDS) { + dprintk(2, + KERN_ERR + "%s: find_zr36057() - invalid cardnum %d\n", + ZR_DEVNAME(zr), card_num); + continue; + } + + /* 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 = ioremap_nocache(zr->zr36057_adr, 0x1000); + if (!zr->zr36057_mem) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - ioremap failed\n", + ZR_DEVNAME(zr)); + continue; + } + + result = request_irq(zr->pci_dev->irq, + zoran_irq, + SA_SHIRQ | SA_INTERRUPT, + ZR_DEVNAME(zr), + (void *) zr); + if (result < 0) { + if (result == -EINVAL) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - bad irq number or handler\n", + ZR_DEVNAME(zr)); + } else if (result == -EBUSY) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - IRQ %d busy, change your PnP config in BIOS\n", + ZR_DEVNAME(zr), zr->pci_dev->irq); + } else { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - can't assign irq, error code %d\n", + ZR_DEVNAME(zr), 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)); + + /* i2c decoder */ + if (decoder[zr->id] != -1) { + i2c_dec_name = i2cid_to_modulename(decoder[zr->id]); + zr->card.i2c_decoder = decoder[zr->id]; + } else if (zr->card.i2c_decoder != 0) { + i2c_dec_name = + i2cid_to_modulename(zr->card.i2c_decoder); + } else { + i2c_dec_name = NULL; + } + + if (i2c_dec_name) { + if ((result = request_module(i2c_dec_name)) < 0) { + dprintk(1, + KERN_ERR + "%s: failed to load module %s: %d\n", + ZR_DEVNAME(zr), i2c_dec_name, result); + } + } + + /* i2c encoder */ + if (encoder[zr->id] != -1) { + i2c_enc_name = i2cid_to_modulename(encoder[zr->id]); + zr->card.i2c_encoder = encoder[zr->id]; + } else if (zr->card.i2c_encoder != 0) { + i2c_enc_name = + i2cid_to_modulename(zr->card.i2c_encoder); + } else { + i2c_enc_name = NULL; + } + + if (i2c_enc_name) { + if ((result = request_module(i2c_enc_name)) < 0) { + dprintk(1, + KERN_ERR + "%s: failed to load module %s: %d\n", + ZR_DEVNAME(zr), i2c_enc_name, result); + } + } + + if (zoran_register_i2c(zr) < 0) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - can't initialize i2c bus\n", + ZR_DEVNAME(zr)); + goto zr_free_irq; + } + + dprintk(2, + KERN_INFO "%s: Initializing videocodec bus...\n", + ZR_DEVNAME(zr)); + + if (zr->card.video_codec != 0 && + (codec_name = + codecid_to_modulename(zr->card.video_codec)) != NULL) { + if ((result = request_module(codec_name)) < 0) { + dprintk(1, + KERN_ERR + "%s: failed to load modules %s: %d\n", + ZR_DEVNAME(zr), codec_name, result); + } + } + if (zr->card.video_vfe != 0 && + (vfe_name = + codecid_to_modulename(zr->card.video_vfe)) != NULL) { + if ((result = request_module(vfe_name)) < 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: find_zr36057() - no codec found\n", + ZR_DEVNAME(zr)); + goto zr_free_codec; + } + if (zr->codec->type != zr->card.video_codec) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - wrong codec\n", + ZR_DEVNAME(zr)); + 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: find_zr36057() - no VFE found\n", + ZR_DEVNAME(zr)); + goto zr_free_vfe; + } + if (zr->vfe->type != zr->card.video_vfe) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() = wrong VFE\n", + ZR_DEVNAME(zr)); + goto zr_detach_vfe; + } + } + + zoran_num++; + continue; + + // Init errors + 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); + continue; + } + if (zoran_num == 0) { + dprintk(1, KERN_INFO "No known MJPEG cards found.\n"); + } + return zoran_num; +} + +static int __init +init_dc10_cards (void) +{ + int i; + + memset(zoran, 0, sizeof(zoran)); + printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n", + MAJOR_VERSION, MINOR_VERSION, RELEASE_VERSION); + + /* Look for cards */ + if (find_zr36057() < 0) { + return -EIO; + } + if (zoran_num == 0) + return -ENODEV; + dprintk(1, KERN_INFO "%s: %d card(s) found\n", ZORAN_NAME, + zoran_num); + /* 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); + } + + /* random nonsense */ + dprintk(5, KERN_DEBUG "Jotti is een held!\n"); + + /* some mainboards might not do PCI-PCI data transfer well */ + if (pci_pci_problems & PCIPCI_FAIL) { + dprintk(1, + KERN_WARNING + "%s: chipset may not support reliable PCI-PCI DMA\n", + ZORAN_NAME); + } + + /* take care of Natoma chipset and a revision 1 zr36057 */ + for (i = 0; i < zoran_num; i++) { + struct zoran *zr = &zoran[i]; + + 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) { + for (i = 0; i < zoran_num; i++) + zoran_release(&zoran[i]); + return -EIO; + } + zoran_proc_init(zr); + } + + return 0; +} + +static void __exit +unload_dc10_cards (void) +{ + int i; + + for (i = 0; i < zoran_num; i++) + zoran_release(&zoran[i]); +} + +module_init(init_dc10_cards); +module_exit(unload_dc10_cards); |