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android_kernel_motorola_sm6225/drivers/media/video/em28xx/em28xx-cards.c
Mauro Carvalho Chehab d2ba055d3b V4L/DVB (6546): Add comments for the hint methods 
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-01-25 19:01:57 -02:00

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/*
em28xx-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices
Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it>
Markus Rechberger <mrechberger@gmail.com>
Mauro Carvalho Chehab <mchehab@infradead.org>
Sascha Sommer <saschasommer@freenet.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/usb.h>
#include <media/tuner.h>
#include <media/msp3400.h>
#include <media/saa7115.h>
#include <media/tvp5150.h>
#include <media/tveeprom.h>
#include <media/audiochip.h>
#include <media/v4l2-common.h>
#include "em28xx.h"
#include "tuner-xc2028.h"
static int tuner = -1;
module_param(tuner, int, 0444);
MODULE_PARM_DESC(tuner, "tuner type");
struct em28xx_hash_table {
unsigned long hash;
unsigned int model;
unsigned int tuner;
};
struct em28xx_board em28xx_boards[] = {
[EM2800_BOARD_UNKNOWN] = {
.name = "Unknown EM2800 video grabber",
.is_em2800 = 1,
.vchannels = 2,
.norm = VIDEO_MODE_PAL,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
[EM2820_BOARD_UNKNOWN] = {
.name = "Unknown EM2750/28xx video grabber",
.is_em2800 = 0,
},
[EM2820_BOARD_KWORLD_PVRTV2800RF] = {
.name = "Kworld PVR TV 2800 RF",
.is_em2800 = 0,
.vchannels = 2,
.norm = VIDEO_MODE_PAL,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
[EM2820_BOARD_TERRATEC_CINERGY_250] = {
.name = "Terratec Cinergy 250 USB",
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 1,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
[EM2820_BOARD_PINNACLE_USB_2] = {
.name = "Pinnacle PCTV USB 2",
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 0,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
[EM2820_BOARD_HAUPPAUGE_WINTV_USB_2] = {
.name = "Hauppauge WinTV USB 2",
.vchannels = 3,
.norm = VIDEO_MODE_NTSC,
.tuner_type = TUNER_PHILIPS_FM1236_MK3,
.tda9887_conf = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
.has_tuner = 1,
.decoder = EM28XX_TVP5150,
.has_msp34xx = 1,
/*FIXME: S-Video not tested */
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = TVP5150_COMPOSITE0,
.amux = MSP_INPUT_DEFAULT,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = TVP5150_SVIDEO,
.amux = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
MSP_DSP_IN_SCART, MSP_DSP_IN_SCART),
}},
},
[EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900] = {
.name = "Hauppauge WinTV HVR 900/950",
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.tda9887_conf = TDA9887_PRESENT,
.tuner_type = TUNER_XC2028,
.has_tuner = 1,
.decoder = EM28XX_TVP5150,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = TVP5150_COMPOSITE0,
.amux = 0,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = TVP5150_COMPOSITE1,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = TVP5150_SVIDEO,
.amux = 1,
}},
},
[EM2880_BOARD_TERRATEC_HYBRID_XS] = {
.name = "Terratec Hybrid XS",
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.tuner_type = TUNER_XC2028,
.decoder = EM28XX_TVP5150,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = TVP5150_COMPOSITE0,
.amux = 0,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = TVP5150_COMPOSITE1,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = TVP5150_SVIDEO,
.amux = 1,
}},
},
/* maybe there's a reason behind it why Terratec sells the Hybrid XS as Prodigy XS with a
* different PID, let's keep it separated for now maybe we'll need it lateron */
[EM2880_BOARD_TERRATEC_PRODIGY_XS] = {
.name = "Terratec Prodigy XS",
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.tuner_type = TUNER_XC2028,
.decoder = EM28XX_TVP5150,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = TVP5150_COMPOSITE0,
.amux = 0,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = TVP5150_COMPOSITE1,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = TVP5150_SVIDEO,
.amux = 1,
}},
},
[EM2820_BOARD_MSI_VOX_USB_2] = {
.name = "MSI VOX USB 2.0",
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
.has_tuner = 1,
.decoder = EM28XX_SAA7114,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE4,
.amux = 0,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
[EM2800_BOARD_TERRATEC_CINERGY_200] = {
.name = "Terratec Cinergy 200 USB",
.is_em2800 = 1,
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 0,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
[EM2800_BOARD_LEADTEK_WINFAST_USBII] = {
.name = "Leadtek Winfast USB II",
.is_em2800 = 1,
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 0,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
[EM2800_BOARD_KWORLD_USB2800] = {
.name = "Kworld USB2800",
.is_em2800 = 1,
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_PHILIPS_ATSC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 0,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
[EM2820_BOARD_PINNACLE_DVC_90] = {
.name = "Pinnacle Dazzle DVC 90",
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.has_tuner = 0,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
[EM2800_BOARD_VGEAR_POCKETTV] = {
.name = "V-Gear PocketTV",
.is_em2800 = 1,
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
.tuner_type = TUNER_LG_PAL_NEW_TAPC,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 0,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
[EM2820_BOARD_PROLINK_PLAYTV_USB2] = {
.name = "Pixelview Prolink PlayTV USB 2.0",
.vchannels = 3,
.tda9887_conf = TDA9887_PRESENT,
.has_tuner = 1,
.decoder = EM28XX_SAA7113,
.input = {{
.type = EM28XX_VMUX_TELEVISION,
.vmux = SAA7115_COMPOSITE2,
.amux = 1,
},{
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = SAA7115_COMPOSITE0,
.amux = 1,
},{
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
.amux = 1,
}},
},
};
const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);
/* table of devices that work with this driver */
struct usb_device_id em28xx_id_table [] = {
{ USB_DEVICE(0xeb1a, 0x2750), .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2800), .driver_info = EM2800_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2820), .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2821), .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2860), .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2861), .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2870), .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2881), .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0xeb1a, 0x2883), .driver_info = EM2820_BOARD_UNKNOWN },
{ USB_DEVICE(0x0ccd, 0x0036), .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 },
{ USB_DEVICE(0x2304, 0x0208), .driver_info = EM2820_BOARD_PINNACLE_USB_2 },
{ USB_DEVICE(0x2040, 0x4200), .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 },
{ USB_DEVICE(0x2304, 0x0207), .driver_info = EM2820_BOARD_PINNACLE_DVC_90 },
{ USB_DEVICE(0x2040, 0x6500), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
{ USB_DEVICE(0x2040, 0x6513), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
{ USB_DEVICE(0x0ccd, 0x0042), .driver_info = EM2880_BOARD_TERRATEC_HYBRID_XS },
{ USB_DEVICE(0x0ccd, 0x0047), .driver_info = EM2880_BOARD_TERRATEC_PRODIGY_XS },
{ },
};
MODULE_DEVICE_TABLE (usb, em28xx_id_table);
/* EEPROM hash table for devices with generic USB IDs */
static struct em28xx_hash_table em28xx_eeprom_hash [] = {
/* P/N: SA 60002070465 Tuner: TVF7533-MF */
{ 0x6ce05a8f, EM2820_BOARD_PROLINK_PLAYTV_USB2, TUNER_YMEC_TVF_5533MF },
};
/* I2C devicelist hash table for devices with generic USB IDs */
static struct em28xx_hash_table em28xx_i2c_hash[] = {
{ 0xb06a32c3, EM2800_BOARD_TERRATEC_CINERGY_200, TUNER_LG_PAL_NEW_TAPC },
{ 0xf51200e3, EM2800_BOARD_VGEAR_POCKETTV, TUNER_LG_PAL_NEW_TAPC },
};
/* Since em28xx_pre_card_setup() requires a proper dev->model,
* this won't work for boards with generic PCI IDs
*/
void em28xx_pre_card_setup(struct em28xx *dev)
{
/* request some modules */
switch(dev->model){
case EM2880_BOARD_TERRATEC_PRODIGY_XS:
case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
case EM2880_BOARD_TERRATEC_HYBRID_XS:
/* reset through GPIO? */
em28xx_write_regs_req(dev, 0x00, 0x08, "\x7d", 1);
break;
}
}
static int em28xx_tuner_callback(void *ptr, int command, int arg)
{
int rc = 0;
struct em28xx *dev = ptr;
if (dev->tuner_type != TUNER_XC2028)
return 0;
switch (command) {
case XC2028_TUNER_RESET:
/* FIXME: This is device-dependent */
dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1);
dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1);
msleep(140);
break;
}
return rc;
}
static void em28xx_config_tuner (struct em28xx *dev)
{
struct v4l2_priv_tun_config xc2028_cfg;
struct xc2028_ctrl ctl;
struct tuner_setup tun_setup;
struct v4l2_frequency f;
if (!dev->has_tuner)
return;
tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
tun_setup.type = dev->tuner_type;
tun_setup.addr = dev->tuner_addr;
tun_setup.tuner_callback = em28xx_tuner_callback;
em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);
if (dev->tuner_type == TUNER_XC2028) {
memset (&ctl, 0, sizeof(ctl));
ctl.fname = XC2028_DEFAULT_FIRMWARE;
ctl.max_len = 64;
xc2028_cfg.tuner = TUNER_XC2028;
xc2028_cfg.priv = &ctl;
em28xx_i2c_call_clients(dev, TUNER_SET_CONFIG, &xc2028_cfg);
}
/* configure tuner */
f.tuner = 0;
f.type = V4L2_TUNER_ANALOG_TV;
f.frequency = 9076; /* just a magic number */
dev->ctl_freq = f.frequency;
em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
}
static int em28xx_hint_board(struct em28xx *dev)
{
int i;
/* HINT method: EEPROM
*
* This method works only for boards with eeprom.
* Uses a hash of all eeprom bytes. The hash should be
* unique for a vendor/tuner pair.
* There are a high chance that tuners for different
* video standards produce different hashes.
*/
for (i = 0; i < ARRAY_SIZE(em28xx_eeprom_hash); i++) {
if (dev->hash == em28xx_eeprom_hash[i].hash) {
dev->model = em28xx_eeprom_hash[i].model;
dev->tuner_type = em28xx_eeprom_hash[i].tuner;
em28xx_errdev("Your board has no unique USB ID.\n");
em28xx_errdev("A hint were successfully done, "
"based on eeprom hash.\n");
em28xx_errdev("This method is not 100%% failproof.\n");
em28xx_errdev("If the board were missdetected, "
"please email this log to:\n");
em28xx_errdev("\tV4L Mailing List "
" <video4linux-list@redhat.com>\n");
em28xx_errdev("Board detected as %s\n",
em28xx_boards[dev->model].name);
return 0;
}
}
/* HINT method: I2C attached devices
*
* This method works for all boards.
* Uses a hash of i2c scanned devices.
* Devices with the same i2c attached chips will
* be considered equal.
* This method is less precise than the eeprom one.
*/
/* user did not request i2c scanning => do it now */
if (!dev->i2c_hash)
em28xx_do_i2c_scan(dev);
for (i = 0; i < ARRAY_SIZE(em28xx_i2c_hash); i++) {
if (dev->i2c_hash == em28xx_i2c_hash[i].hash) {
dev->model = em28xx_i2c_hash[i].model;
dev->tuner_type = em28xx_i2c_hash[i].tuner;
em28xx_errdev("Your board has no unique USB ID.\n");
em28xx_errdev("A hint were successfully done, "
"based on i2c devicelist hash.\n");
em28xx_errdev("This method is not 100%% failproof.\n");
em28xx_errdev("If the board were missdetected, "
"please email this log to:\n");
em28xx_errdev("\tV4L Mailing List "
" <video4linux-list@redhat.com>\n");
em28xx_errdev("Board detected as %s\n",
em28xx_boards[dev->model].name);
return 0;
}
}
em28xx_errdev("Your board has no unique USB ID and thus need a "
"hint to be detected.\n");
em28xx_errdev("You may try to use card=<n> insmod option to "
"workaround that.\n");
em28xx_errdev("Please send an email with this log to:\n");
em28xx_errdev("\tV4L Mailing List <video4linux-list@redhat.com>\n");
em28xx_errdev("Board eeprom hash is 0x%08lx\n", dev->hash);
em28xx_errdev("Board i2c devicelist hash is 0x%08lx\n", dev->i2c_hash);
em28xx_errdev("Here is a list of valid choices for the card=<n>"
" insmod option:\n");
for (i = 0; i < em28xx_bcount; i++) {
em28xx_errdev(" card=%d -> %s\n",
i, em28xx_boards[i].name);
}
return -1;
}
void em28xx_card_setup(struct em28xx *dev)
{
/* request some modules */
switch (dev->model) {
case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2:
{
struct tveeprom tv;
#ifdef CONFIG_MODULES
request_module("tveeprom");
request_module("ir-kbd-i2c");
#endif
/* Call first TVeeprom */
dev->i2c_client.addr = 0xa0 >> 1;
tveeprom_hauppauge_analog(&dev->i2c_client, &tv, dev->eedata);
dev->tuner_type = tv.tuner_type;
if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
dev->i2s_speed = 2048000;
dev->has_msp34xx = 1;
}
break;
}
case EM2820_BOARD_KWORLD_PVRTV2800RF:
/* GPIO enables sound on KWORLD PVR TV 2800RF */
em28xx_write_regs_req(dev, 0x00, 0x08, "\xf9", 1);
break;
case EM2820_BOARD_UNKNOWN:
case EM2800_BOARD_UNKNOWN:
em28xx_hint_board(dev);
}
dev->is_em2800 = em28xx_boards[dev->model].is_em2800;
dev->has_tuner = em28xx_boards[dev->model].has_tuner;
dev->has_msp34xx = em28xx_boards[dev->model].has_msp34xx;
dev->tda9887_conf = em28xx_boards[dev->model].tda9887_conf;
dev->decoder = em28xx_boards[dev->model].decoder;
dev->video_inputs = em28xx_boards[dev->model].vchannels;
if (tuner >= 0)
dev->tuner_type = tuner;
#ifdef CONFIG_MODULES
/* request some modules */
if (dev->has_msp34xx)
request_module("msp3400");
if (dev->decoder == EM28XX_SAA7113 || dev->decoder == EM28XX_SAA7114)
request_module("saa7115");
if (dev->decoder == EM28XX_TVP5150)
request_module("tvp5150");
if (dev->has_tuner)
request_module("tuner");
#endif
em28xx_config_tuner (dev);
}
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