SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/media/video/au0828/au0828-cards.c

   1 /*
   2  *  Driver for the Auvitek USB bridge
   3  *
   4  *  Copyright (c) 2008 Steven Toth <stoth@hauppauge.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include "au0828.h"
  23 #include "au0828-cards.h"
  24
  25 #define _dbg(level, fmt, arg...)\
  26         do {\
  27                 if (debug >= level) \
  28                         printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\
  29         } while (0)
  30
  31 struct au0828_board au0828_boards[] = {
  32         [AU0828_BOARD_UNKNOWN] = {
  33                 .name   = "Unknown board",
  34         },
  35         [AU0828_BOARD_HAUPPAUGE_HVR850] = {
  36                 .name   = "Hauppauge HVR850",
  37         },
  38         [AU0828_BOARD_HAUPPAUGE_HVR950Q] = {
  39                 .name   = "Hauppauge HVR950Q",
  40         },
  41         [AU0828_BOARD_DVICO_FUSIONHDTV7] = {
  42                 .name   = "DViCO FusionHDTV USB",
  43         },
  44 };
  45 const unsigned int au0828_bcount = ARRAY_SIZE(au0828_boards);
  46
  47 /* Tuner callback function for au0828 boards. Currently only needed
  48  * for HVR1500Q, which has an xc5000 tuner.
  49  */
  50 int au0828_tuner_callback(void *priv, int command, int arg)
  51 {
  52         struct au0828_dev *dev = priv;
  53
  54         switch(dev->board) {
  55         case AU0828_BOARD_HAUPPAUGE_HVR850:
  56         case AU0828_BOARD_HAUPPAUGE_HVR950Q:
  57         case AU0828_BOARD_DVICO_FUSIONHDTV7:
  58                 if(command == 0) {
  59                         /* Tuner Reset Command from xc5000 */
  60                         /* Drive the tuner into reset and out */
  61                         au0828_clear(dev, REG_001, 2);
  62                         mdelay(200);
  63                         au0828_set(dev, REG_001, 2);
  64                         mdelay(50);
  65                         return 0;
  66                 }
  67                 else {
  68                         printk(KERN_ERR
  69                                 "%s(): Unknown command.\n", __FUNCTION__);
  70                         return -EINVAL;
  71                 }
  72                 break;
  73         }
  74
  75         return 0; /* Should never be here */
  76 }
  77
  78 static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data)
  79 {
  80         struct tveeprom tv;
  81
  82         tveeprom_hauppauge_analog(&dev->i2c_client, &tv, eeprom_data);
  83
  84         /* Make sure we support the board model */
  85         switch (tv.model)
  86         {
  87         case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and basic analog video */
  88                 break;
  89         default:
  90                 printk("%s: warning: unknown hauppauge model #%d\n", __FUNCTION__, tv.model);
  91                 break;
  92         }
  93
  94         printk(KERN_INFO "%s: hauppauge eeprom: model=%d\n", __FUNCTION__, tv.model);
  95 }
  96
  97
  98 void au0828_card_setup(struct au0828_dev *dev)
  99 {
 100
 101         static u8 eeprom[256];
 102
 103         if (dev->i2c_rc == 0) {
 104                 dev->i2c_client.addr = 0xa0 >> 1;
 105                 tveeprom_read(&dev->i2c_client, eeprom, sizeof(eeprom));
 106         }
 107
 108         switch(dev->board) {
 109         case AU0828_BOARD_HAUPPAUGE_HVR850:
 110         case AU0828_BOARD_HAUPPAUGE_HVR950Q:
 111                 if (dev->i2c_rc == 0)
 112                         hauppauge_eeprom(dev, eeprom+0xa0);
 113                 break;
 114         }
 115 }
 116
 117 /*
 118  * The bridge has between 8 and 12 gpios.
 119  * Regs 1 and 0 deal with output enables.
 120  * Regs 3 and 2 * deal with direction.
 121  */
 122 void au0828_gpio_setup(struct au0828_dev *dev)
 123 {
 124         switch(dev->board) {
 125         case AU0828_BOARD_HAUPPAUGE_HVR850:
 126         case AU0828_BOARD_HAUPPAUGE_HVR950Q:
 127                 /* GPIO's
 128                  * 4 - CS5340
 129                  * 5 - AU8522 Demodulator
 130                  * 6 - eeprom W/P
 131                  * 9 - XC5000 Tuner
 132                  */
 133
 134                 /* Into reset */
 135                 au0828_write(dev, REG_003, 0x02);
 136                 au0828_write(dev, REG_002, 0x88 | 0x20);
 137                 au0828_write(dev, REG_001, 0x0);
 138                 au0828_write(dev, REG_000, 0x0);
 139                 msleep(100);
 140
 141                 /* Out of reset */
 142                 au0828_write(dev, REG_003, 0x02);
 143                 au0828_write(dev, REG_001, 0x02);
 144                 au0828_write(dev, REG_002, 0x88 | 0x20);
 145                 au0828_write(dev, REG_000, 0x88 | 0x20 | 0x40);
 146                 msleep(250);
 147                 break;
 148         case AU0828_BOARD_DVICO_FUSIONHDTV7:
 149                 /* GPIO's
 150                  * 6 - ?
 151                  * 8 - AU8522 Demodulator
 152                  * 9 - XC5000 Tuner
 153                  */
 154
 155                 /* Into reset */
 156                 au0828_write(dev, REG_003, 0x02);
 157                 au0828_write(dev, REG_002, 0xa0);
 158                 au0828_write(dev, REG_001, 0x0);
 159                 au0828_write(dev, REG_000, 0x0);
 160                 msleep(100);
 161
 162                 /* Out of reset */
 163                 au0828_write(dev, REG_003, 0x02);
 164                 au0828_write(dev, REG_002, 0xa0);
 165                 au0828_write(dev, REG_001, 0x02);
 166                 au0828_write(dev, REG_000, 0xa0);
 167                 msleep(250);
 168                 break;
 169         }
 170 }
 171
 172 /* table of devices that work with this driver */
 173 struct usb_device_id au0828_usb_id_table [] = {
 174         { USB_DEVICE(0x2040, 0x7200),
 175                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 176         { USB_DEVICE(0x2040, 0x7240),
 177                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
 178         { USB_DEVICE(0x0fe9, 0xd620),
 179                 .driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
 180         { },
 181 };
 182
 183 MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);