drivers/media/dvb/siano/sms-cards.c

   1 /*
   2  *  Card-specific functions for the Siano SMS1xxx USB dongle
   3  *
   4  *  Copyright (c) 2008 Michael Krufky <mkrufky@linuxtv.org>
   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 version 2 as
   8  *  published by the Free Software Foundation;
   9  *
  10  *  Software distributed under the License is distributed on an "AS IS"
  11  *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
  12  *
  13  *  See the GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19
  20 #include "sms-cards.h"
  21 #include "smsir.h"
  22
  23 static int sms_dbg;
  24 module_param_named(cards_dbg, sms_dbg, int, 0644);
  25 MODULE_PARM_DESC(cards_dbg, "set debug level (info=1, adv=2 (or-able))");
  26
  27 static struct sms_board sms_boards[] = {
  28         [SMS_BOARD_UNKNOWN] = {
  29                 .name   = "Unknown board",
  30         },
  31         [SMS1XXX_BOARD_SIANO_STELLAR] = {
  32                 .name   = "Siano Stellar Digital Receiver",
  33                 .type   = SMS_STELLAR,
  34         },
  35         [SMS1XXX_BOARD_SIANO_NOVA_A] = {
  36                 .name   = "Siano Nova A Digital Receiver",
  37                 .type   = SMS_NOVA_A0,
  38         },
  39         [SMS1XXX_BOARD_SIANO_NOVA_B] = {
  40                 .name   = "Siano Nova B Digital Receiver",
  41                 .type   = SMS_NOVA_B0,
  42         },
  43         [SMS1XXX_BOARD_SIANO_VEGA] = {
  44                 .name   = "Siano Vega Digital Receiver",
  45                 .type   = SMS_VEGA,
  46         },
  47         [SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT] = {
  48                 .name   = "Hauppauge Catamount",
  49                 .type   = SMS_STELLAR,
  50                 .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-stellar-dvbt-01.fw",
  51         },
  52         [SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A] = {
  53                 .name   = "Hauppauge Okemo-A",
  54                 .type   = SMS_NOVA_A0,
  55                 .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-nova-a-dvbt-01.fw",
  56         },
  57         [SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B] = {
  58                 .name   = "Hauppauge Okemo-B",
  59                 .type   = SMS_NOVA_B0,
  60                 .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-nova-b-dvbt-01.fw",
  61         },
  62         [SMS1XXX_BOARD_HAUPPAUGE_WINDHAM] = {
  63                 .name   = "Hauppauge WinTV MiniStick",
  64                 .type   = SMS_NOVA_B0,
  65                 .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-02.fw",
  66                 .board_cfg.leds_power = 26,
  67                 .board_cfg.led0 = 27,
  68                 .board_cfg.led1 = 28,
  69                 .led_power = 26,
  70                 .led_lo    = 27,
  71                 .led_hi    = 28,
  72         },
  73         [SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD] = {
  74                 .name   = "Hauppauge WinTV MiniCard",
  75                 .type   = SMS_NOVA_B0,
  76                 .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-02.fw",
  77                 .lna_ctrl  = 29,
  78                 .board_cfg.foreign_lna0_ctrl = 29,
  79                 .rf_switch = 17,
  80                 .board_cfg.rf_switch_uhf = 17,
  81         },
  82         [SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2] = {
  83                 .name   = "Hauppauge WinTV MiniCard",
  84                 .type   = SMS_NOVA_B0,
  85                 .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-02.fw",
  86                 .lna_ctrl  = -1,
  87         },
  88         [SMS1XXX_BOARD_SIANO_NICE] = {
  89         /* 11 */
  90                 .name = "Siano Nice Digital Receiver",
  91                 .type = SMS_NOVA_B0,
  92         },
  93         [SMS1XXX_BOARD_SIANO_VENICE] = {
  94         /* 12 */
  95                 .name = "Siano Venice Digital Receiver",
  96                 .type = SMS_VEGA,
  97         },
  98 };
  99
 100 struct sms_board *sms_get_board(int id)
 101 {
 102         BUG_ON(id >= ARRAY_SIZE(sms_boards));
 103
 104         return &sms_boards[id];
 105 }
 106 EXPORT_SYMBOL_GPL(sms_get_board);
 107 static inline void sms_gpio_assign_11xx_default_led_config(
 108                 struct smscore_gpio_config *pGpioConfig) {
 109         pGpioConfig->Direction = SMS_GPIO_DIRECTION_OUTPUT;
 110         pGpioConfig->InputCharacteristics =
 111                 SMS_GPIO_INPUT_CHARACTERISTICS_NORMAL;
 112         pGpioConfig->OutputDriving = SMS_GPIO_OUTPUT_DRIVING_4mA;
 113         pGpioConfig->OutputSlewRate = SMS_GPIO_OUTPUT_SLEW_RATE_0_45_V_NS;
 114         pGpioConfig->PullUpDown = SMS_GPIO_PULL_UP_DOWN_NONE;
 115 }
 116
 117 int sms_board_event(struct smscore_device_t *coredev,
 118                 enum SMS_BOARD_EVENTS gevent) {
 119         struct smscore_gpio_config MyGpioConfig;
 120
 121         sms_gpio_assign_11xx_default_led_config(&MyGpioConfig);
 122
 123         switch (gevent) {
 124         case BOARD_EVENT_POWER_INIT: /* including hotplug */
 125                 break; /* BOARD_EVENT_BIND */
 126
 127         case BOARD_EVENT_POWER_SUSPEND:
 128                 break; /* BOARD_EVENT_POWER_SUSPEND */
 129
 130         case BOARD_EVENT_POWER_RESUME:
 131                 break; /* BOARD_EVENT_POWER_RESUME */
 132
 133         case BOARD_EVENT_BIND:
 134                 break; /* BOARD_EVENT_BIND */
 135
 136         case BOARD_EVENT_SCAN_PROG:
 137                 break; /* BOARD_EVENT_SCAN_PROG */
 138         case BOARD_EVENT_SCAN_COMP:
 139                 break; /* BOARD_EVENT_SCAN_COMP */
 140         case BOARD_EVENT_EMERGENCY_WARNING_SIGNAL:
 141                 break; /* BOARD_EVENT_EMERGENCY_WARNING_SIGNAL */
 142         case BOARD_EVENT_FE_LOCK:
 143                 break; /* BOARD_EVENT_FE_LOCK */
 144         case BOARD_EVENT_FE_UNLOCK:
 145                 break; /* BOARD_EVENT_FE_UNLOCK */
 146         case BOARD_EVENT_DEMOD_LOCK:
 147                 break; /* BOARD_EVENT_DEMOD_LOCK */
 148         case BOARD_EVENT_DEMOD_UNLOCK:
 149                 break; /* BOARD_EVENT_DEMOD_UNLOCK */
 150         case BOARD_EVENT_RECEPTION_MAX_4:
 151                 break; /* BOARD_EVENT_RECEPTION_MAX_4 */
 152         case BOARD_EVENT_RECEPTION_3:
 153                 break; /* BOARD_EVENT_RECEPTION_3 */
 154         case BOARD_EVENT_RECEPTION_2:
 155                 break; /* BOARD_EVENT_RECEPTION_2 */
 156         case BOARD_EVENT_RECEPTION_1:
 157                 break; /* BOARD_EVENT_RECEPTION_1 */
 158         case BOARD_EVENT_RECEPTION_LOST_0:
 159                 break; /* BOARD_EVENT_RECEPTION_LOST_0 */
 160         case BOARD_EVENT_MULTIPLEX_OK:
 161                 break; /* BOARD_EVENT_MULTIPLEX_OK */
 162         case BOARD_EVENT_MULTIPLEX_ERRORS:
 163                 break; /* BOARD_EVENT_MULTIPLEX_ERRORS */
 164
 165         default:
 166                 sms_err("Unknown SMS board event");
 167                 break;
 168         }
 169         return 0;
 170 }
 171 EXPORT_SYMBOL_GPL(sms_board_event);
 172
 173 static int sms_set_gpio(struct smscore_device_t *coredev, int pin, int enable)
 174 {
 175         int lvl, ret;
 176         u32 gpio;
 177         struct smscore_config_gpio gpioconfig = {
 178                 .direction            = SMS_GPIO_DIRECTION_OUTPUT,
 179                 .pullupdown           = SMS_GPIO_PULLUPDOWN_NONE,
 180                 .inputcharacteristics = SMS_GPIO_INPUTCHARACTERISTICS_NORMAL,
 181                 .outputslewrate       = SMS_GPIO_OUTPUTSLEWRATE_FAST,
 182                 .outputdriving        = SMS_GPIO_OUTPUTDRIVING_4mA,
 183         };
 184
 185         if (pin == 0)
 186                 return -EINVAL;
 187
 188         if (pin < 0) {
 189                 /* inverted gpio */
 190                 gpio = pin * -1;
 191                 lvl = enable ? 0 : 1;
 192         } else {
 193                 gpio = pin;
 194                 lvl = enable ? 1 : 0;
 195         }
 196
 197         ret = smscore_configure_gpio(coredev, gpio, &gpioconfig);
 198         if (ret < 0)
 199                 return ret;
 200
 201         return smscore_set_gpio(coredev, gpio, lvl);
 202 }
 203
 204 int sms_board_setup(struct smscore_device_t *coredev)
 205 {
 206         int board_id = smscore_get_board_id(coredev);
 207         struct sms_board *board = sms_get_board(board_id);
 208
 209         switch (board_id) {
 210         case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
 211                 /* turn off all LEDs */
 212                 sms_set_gpio(coredev, board->led_power, 0);
 213                 sms_set_gpio(coredev, board->led_hi, 0);
 214                 sms_set_gpio(coredev, board->led_lo, 0);
 215                 break;
 216         case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
 217         case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
 218                 /* turn off LNA */
 219                 sms_set_gpio(coredev, board->lna_ctrl, 0);
 220                 break;
 221         }
 222         return 0;
 223 }
 224 EXPORT_SYMBOL_GPL(sms_board_setup);
 225
 226 int sms_board_power(struct smscore_device_t *coredev, int onoff)
 227 {
 228         int board_id = smscore_get_board_id(coredev);
 229         struct sms_board *board = sms_get_board(board_id);
 230
 231         switch (board_id) {
 232         case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
 233                 /* power LED */
 234                 sms_set_gpio(coredev,
 235                              board->led_power, onoff ? 1 : 0);
 236                 break;
 237         case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
 238         case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
 239                 /* LNA */
 240                 if (!onoff)
 241                         sms_set_gpio(coredev, board->lna_ctrl, 0);
 242                 break;
 243         }
 244         return 0;
 245 }
 246 EXPORT_SYMBOL_GPL(sms_board_power);
 247
 248 int sms_board_led_feedback(struct smscore_device_t *coredev, int led)
 249 {
 250         int board_id = smscore_get_board_id(coredev);
 251         struct sms_board *board = sms_get_board(board_id);
 252
 253         /* dont touch GPIO if LEDs are already set */
 254         if (smscore_led_state(coredev, -1) == led)
 255                 return 0;
 256
 257         switch (board_id) {
 258         case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
 259                 sms_set_gpio(coredev,
 260                              board->led_lo, (led & SMS_LED_LO) ? 1 : 0);
 261                 sms_set_gpio(coredev,
 262                              board->led_hi, (led & SMS_LED_HI) ? 1 : 0);
 263
 264                 smscore_led_state(coredev, led);
 265                 break;
 266         }
 267         return 0;
 268 }
 269 EXPORT_SYMBOL_GPL(sms_board_led_feedback);
 270
 271 int sms_board_lna_control(struct smscore_device_t *coredev, int onoff)
 272 {
 273         int board_id = smscore_get_board_id(coredev);
 274         struct sms_board *board = sms_get_board(board_id);
 275
 276         sms_debug("%s: LNA %s", __func__, onoff ? "enabled" : "disabled");
 277
 278         switch (board_id) {
 279         case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
 280         case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
 281                 sms_set_gpio(coredev,
 282                              board->rf_switch, onoff ? 1 : 0);
 283                 return sms_set_gpio(coredev,
 284                                     board->lna_ctrl, onoff ? 1 : 0);
 285         }
 286         return -EINVAL;
 287 }
 288 EXPORT_SYMBOL_GPL(sms_board_lna_control);
 289
 290 int sms_board_load_modules(int id)
 291 {
 292         switch (id) {
 293         case SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT:
 294         case SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A:
 295         case SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B:
 296         case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
 297                 request_module("smsdvb");
 298                 break;
 299         default:
 300                 /* do nothing */
 301                 break;
 302         }
 303         return 0;
 304 }
 305 EXPORT_SYMBOL_GPL(sms_board_load_modules);