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linux/drivers/media/pci/zoran/zoran_card.c

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/*
* 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/delay.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/videodev2.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/mutex.h>
#include <linux/io.h>
#include <media/v4l2-common.h>
#include <media/bt819.h>
#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");
/*
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)");
#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 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 <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 };
/* 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] = {
{
.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 = DC10plus,
.name = "DC10plus",
.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 = DC30plus,
.name = "DC30plus",
.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;
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 =
V4L2_JPEG_MARKER_DHT | V4L2_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 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 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 = video_device_alloc();
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->v4l2_dev = &zr->v4l2_dev;
strcpy(zr->video_dev->name, ZR_DEVNAME(zr));
/* 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;
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 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 *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;
strlcpy(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 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);
mutex_init(&zr->other_lock);
if (pci_enable_device(pdev))
goto zr_unreg;
zr->revision = zr->pci_dev->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, 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_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);
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 = zoran_remove,
};
static int __init zoran_init(void)
{
int res;
printk(KERN_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 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);
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