332 lines
9.6 KiB
C
332 lines
9.6 KiB
C
/*
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* Driver for the Auvitek USB bridge
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*
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* Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "au0828.h"
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#include "au0828-cards.h"
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#include "au8522.h"
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#include "media/tuner.h"
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#include "media/v4l2-common.h"
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void hvr950q_cs5340_audio(void *priv, int enable)
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{
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/* Because the HVR-950q shares an i2s bus between the cs5340 and the
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au8522, we need to hold cs5340 in reset when using the au8522 */
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struct au0828_dev *dev = priv;
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if (enable == 1)
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au0828_set(dev, REG_000, 0x10);
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else
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au0828_clear(dev, REG_000, 0x10);
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}
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struct au0828_board au0828_boards[] = {
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[AU0828_BOARD_UNKNOWN] = {
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.name = "Unknown board",
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.tuner_type = UNSET,
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.tuner_addr = ADDR_UNSET,
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},
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[AU0828_BOARD_HAUPPAUGE_HVR850] = {
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.name = "Hauppauge HVR850",
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.tuner_type = TUNER_XC5000,
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.tuner_addr = 0x61,
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.i2c_clk_divider = AU0828_I2C_CLK_30KHZ,
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.input = {
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{
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.type = AU0828_VMUX_TELEVISION,
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.vmux = AU8522_COMPOSITE_CH4_SIF,
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.amux = AU8522_AUDIO_SIF,
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},
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{
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.type = AU0828_VMUX_COMPOSITE,
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.vmux = AU8522_COMPOSITE_CH1,
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.amux = AU8522_AUDIO_NONE,
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.audio_setup = hvr950q_cs5340_audio,
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},
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{
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.type = AU0828_VMUX_SVIDEO,
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.vmux = AU8522_SVIDEO_CH13,
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.amux = AU8522_AUDIO_NONE,
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.audio_setup = hvr950q_cs5340_audio,
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},
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},
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},
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[AU0828_BOARD_HAUPPAUGE_HVR950Q] = {
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.name = "Hauppauge HVR950Q",
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.tuner_type = TUNER_XC5000,
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.tuner_addr = 0x61,
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/* The au0828 hardware i2c implementation does not properly
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support the xc5000's i2c clock stretching. So we need to
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lower the clock frequency enough where the 15us clock
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stretch fits inside of a normal clock cycle, or else the
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au0828 fails to set the STOP bit. A 30 KHz clock puts the
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clock pulse width at 18us */
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.i2c_clk_divider = AU0828_I2C_CLK_30KHZ,
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.input = {
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{
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.type = AU0828_VMUX_TELEVISION,
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.vmux = AU8522_COMPOSITE_CH4_SIF,
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.amux = AU8522_AUDIO_SIF,
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},
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{
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.type = AU0828_VMUX_COMPOSITE,
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.vmux = AU8522_COMPOSITE_CH1,
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.amux = AU8522_AUDIO_NONE,
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.audio_setup = hvr950q_cs5340_audio,
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},
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{
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.type = AU0828_VMUX_SVIDEO,
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.vmux = AU8522_SVIDEO_CH13,
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.amux = AU8522_AUDIO_NONE,
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.audio_setup = hvr950q_cs5340_audio,
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},
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},
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},
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[AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL] = {
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.name = "Hauppauge HVR950Q rev xxF8",
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.tuner_type = UNSET,
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.tuner_addr = ADDR_UNSET,
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.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
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},
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[AU0828_BOARD_DVICO_FUSIONHDTV7] = {
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.name = "DViCO FusionHDTV USB",
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.tuner_type = UNSET,
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.tuner_addr = ADDR_UNSET,
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.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
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},
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[AU0828_BOARD_HAUPPAUGE_WOODBURY] = {
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.name = "Hauppauge Woodbury",
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.tuner_type = UNSET,
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.tuner_addr = ADDR_UNSET,
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.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
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},
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};
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/* Tuner callback function for au0828 boards. Currently only needed
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* for HVR1500Q, which has an xc5000 tuner.
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*/
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int au0828_tuner_callback(void *priv, int component, int command, int arg)
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{
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struct au0828_dev *dev = priv;
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dprintk(1, "%s()\n", __func__);
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switch (dev->boardnr) {
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case AU0828_BOARD_HAUPPAUGE_HVR850:
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case AU0828_BOARD_HAUPPAUGE_HVR950Q:
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case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
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case AU0828_BOARD_DVICO_FUSIONHDTV7:
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if (command == 0) {
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/* Tuner Reset Command from xc5000 */
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/* Drive the tuner into reset and out */
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au0828_clear(dev, REG_001, 2);
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mdelay(10);
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au0828_set(dev, REG_001, 2);
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mdelay(10);
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return 0;
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} else {
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printk(KERN_ERR
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"%s(): Unknown command.\n", __func__);
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return -EINVAL;
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}
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break;
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}
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return 0; /* Should never be here */
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}
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static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data)
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{
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struct tveeprom tv;
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tveeprom_hauppauge_analog(&dev->i2c_client, &tv, eeprom_data);
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dev->board.tuner_type = tv.tuner_type;
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/* Make sure we support the board model */
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switch (tv.model) {
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case 72000: /* WinTV-HVR950q (Retail, IR, ATSC/QAM */
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case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
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case 72211: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
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case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
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case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
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case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
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case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
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case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */
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case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
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break;
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default:
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printk(KERN_WARNING "%s: warning: "
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"unknown hauppauge model #%d\n", __func__, tv.model);
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break;
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}
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printk(KERN_INFO "%s: hauppauge eeprom: model=%d\n",
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__func__, tv.model);
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}
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void au0828_card_setup(struct au0828_dev *dev)
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{
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static u8 eeprom[256];
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struct tuner_setup tun_setup;
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struct v4l2_subdev *sd;
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unsigned int mode_mask = T_ANALOG_TV |
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T_DIGITAL_TV;
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dprintk(1, "%s()\n", __func__);
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memcpy(&dev->board, &au0828_boards[dev->boardnr], sizeof(dev->board));
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if (dev->i2c_rc == 0) {
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dev->i2c_client.addr = 0xa0 >> 1;
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tveeprom_read(&dev->i2c_client, eeprom, sizeof(eeprom));
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}
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switch (dev->boardnr) {
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case AU0828_BOARD_HAUPPAUGE_HVR850:
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case AU0828_BOARD_HAUPPAUGE_HVR950Q:
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case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
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case AU0828_BOARD_HAUPPAUGE_WOODBURY:
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if (dev->i2c_rc == 0)
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hauppauge_eeprom(dev, eeprom+0xa0);
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break;
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}
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if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) {
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/* Load the analog demodulator driver (note this would need to
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be abstracted out if we ever need to support a different
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demod) */
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sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
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"au8522", "au8522", 0x8e >> 1, NULL);
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if (sd == NULL)
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printk(KERN_ERR "analog subdev registration failed\n");
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}
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/* Setup tuners */
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if (dev->board.tuner_type != TUNER_ABSENT) {
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/* Load the tuner module, which does the attach */
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sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
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"tuner", "tuner", dev->board.tuner_addr, NULL);
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if (sd == NULL)
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printk(KERN_ERR "tuner subdev registration fail\n");
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tun_setup.mode_mask = mode_mask;
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tun_setup.type = dev->board.tuner_type;
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tun_setup.addr = dev->board.tuner_addr;
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tun_setup.tuner_callback = au0828_tuner_callback;
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v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr,
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&tun_setup);
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}
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}
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/*
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* The bridge has between 8 and 12 gpios.
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* Regs 1 and 0 deal with output enables.
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* Regs 3 and 2 deal with direction.
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*/
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void au0828_gpio_setup(struct au0828_dev *dev)
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{
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dprintk(1, "%s()\n", __func__);
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switch (dev->boardnr) {
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case AU0828_BOARD_HAUPPAUGE_HVR850:
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case AU0828_BOARD_HAUPPAUGE_HVR950Q:
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case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
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case AU0828_BOARD_HAUPPAUGE_WOODBURY:
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/* GPIO's
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* 4 - CS5340
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* 5 - AU8522 Demodulator
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* 6 - eeprom W/P
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* 7 - power supply
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* 9 - XC5000 Tuner
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*/
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/* Into reset */
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au0828_write(dev, REG_003, 0x02);
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au0828_write(dev, REG_002, 0x80 | 0x20 | 0x10);
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au0828_write(dev, REG_001, 0x0);
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au0828_write(dev, REG_000, 0x0);
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msleep(100);
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/* Out of reset (leave the cs5340 in reset until needed) */
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au0828_write(dev, REG_003, 0x02);
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au0828_write(dev, REG_001, 0x02);
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au0828_write(dev, REG_002, 0x80 | 0x20 | 0x10);
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au0828_write(dev, REG_000, 0x80 | 0x40 | 0x20);
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msleep(250);
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break;
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case AU0828_BOARD_DVICO_FUSIONHDTV7:
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/* GPIO's
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* 6 - ?
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* 8 - AU8522 Demodulator
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* 9 - XC5000 Tuner
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*/
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/* Into reset */
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au0828_write(dev, REG_003, 0x02);
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au0828_write(dev, REG_002, 0xa0);
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au0828_write(dev, REG_001, 0x0);
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au0828_write(dev, REG_000, 0x0);
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msleep(100);
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/* Out of reset */
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au0828_write(dev, REG_003, 0x02);
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au0828_write(dev, REG_002, 0xa0);
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au0828_write(dev, REG_001, 0x02);
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au0828_write(dev, REG_000, 0xa0);
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msleep(250);
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break;
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}
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}
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/* table of devices that work with this driver */
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struct usb_device_id au0828_usb_id_table[] = {
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{ USB_DEVICE(0x2040, 0x7200),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
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{ USB_DEVICE(0x2040, 0x7240),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
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{ USB_DEVICE(0x0fe9, 0xd620),
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.driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
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{ USB_DEVICE(0x2040, 0x7210),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
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{ USB_DEVICE(0x2040, 0x7217),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
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{ USB_DEVICE(0x2040, 0x721b),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
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{ USB_DEVICE(0x2040, 0x721e),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
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{ USB_DEVICE(0x2040, 0x721f),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
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{ USB_DEVICE(0x2040, 0x7280),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
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{ USB_DEVICE(0x0fd9, 0x0008),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
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{ USB_DEVICE(0x2040, 0x7201),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
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{ USB_DEVICE(0x2040, 0x7211),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
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{ USB_DEVICE(0x2040, 0x7281),
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.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
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{ USB_DEVICE(0x2040, 0x8200),
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.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
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{ },
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};
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MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);
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