Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 1 | /* |
| 2 | * cx18 driver initialization and card probing |
| 3 | * |
| 4 | * Derived from ivtv-driver.c |
| 5 | * |
| 6 | * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 21 | * 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include "cx18-driver.h" |
| 25 | #include "cx18-version.h" |
| 26 | #include "cx18-cards.h" |
| 27 | #include "cx18-i2c.h" |
| 28 | #include "cx18-irq.h" |
| 29 | #include "cx18-gpio.h" |
| 30 | #include "cx18-firmware.h" |
| 31 | #include "cx18-streams.h" |
| 32 | #include "cx18-av-core.h" |
| 33 | #include "cx18-scb.h" |
| 34 | #include "cx18-mailbox.h" |
| 35 | #include "cx18-ioctl.h" |
| 36 | #include "tuner-xc2028.h" |
| 37 | |
| 38 | #include <media/tveeprom.h> |
| 39 | |
| 40 | |
| 41 | /* var to keep track of the number of array elements in use */ |
| 42 | int cx18_cards_active; |
| 43 | |
| 44 | /* If you have already X v4l cards, then set this to X. This way |
| 45 | the device numbers stay matched. Example: you have a WinTV card |
| 46 | without radio and a Compro H900 with. Normally this would give a |
| 47 | video1 device together with a radio0 device for the Compro. By |
| 48 | setting this to 1 you ensure that radio0 is now also radio1. */ |
| 49 | int cx18_first_minor; |
| 50 | |
| 51 | /* Master variable for all cx18 info */ |
| 52 | struct cx18 *cx18_cards[CX18_MAX_CARDS]; |
| 53 | |
| 54 | /* Protects cx18_cards_active */ |
| 55 | DEFINE_SPINLOCK(cx18_cards_lock); |
| 56 | |
| 57 | /* add your revision and whatnot here */ |
| 58 | static struct pci_device_id cx18_pci_tbl[] __devinitdata = { |
| 59 | {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418, |
| 60 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
| 61 | {0,} |
| 62 | }; |
| 63 | |
| 64 | MODULE_DEVICE_TABLE(pci, cx18_pci_tbl); |
| 65 | |
| 66 | /* Parameter declarations */ |
| 67 | static int cardtype[CX18_MAX_CARDS]; |
| 68 | static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, |
| 69 | -1, -1, -1, -1, -1, -1, -1, -1, |
| 70 | -1, -1, -1, -1, -1, -1, -1, -1, |
| 71 | -1, -1, -1, -1, -1, -1, -1, -1 }; |
| 72 | static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, |
| 73 | -1, -1, -1, -1, -1, -1, -1, -1, |
| 74 | -1, -1, -1, -1, -1, -1, -1, -1, |
| 75 | -1, -1, -1, -1, -1, -1, -1, -1 }; |
| 76 | |
| 77 | static int cardtype_c = 1; |
| 78 | static int tuner_c = 1; |
| 79 | static int radio_c = 1; |
| 80 | static char pal[] = "--"; |
| 81 | static char secam[] = "--"; |
| 82 | static char ntsc[] = "-"; |
| 83 | |
| 84 | /* Buffers */ |
| 85 | static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS; |
| 86 | static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS; |
| 87 | static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS; |
| 88 | static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS; |
| 89 | static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS; |
| 90 | |
| 91 | static int cx18_pci_latency = 1; |
| 92 | |
| 93 | int cx18_debug; |
| 94 | |
| 95 | module_param_array(tuner, int, &tuner_c, 0644); |
| 96 | module_param_array(radio, bool, &radio_c, 0644); |
| 97 | module_param_array(cardtype, int, &cardtype_c, 0644); |
| 98 | module_param_string(pal, pal, sizeof(pal), 0644); |
| 99 | module_param_string(secam, secam, sizeof(secam), 0644); |
| 100 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); |
| 101 | module_param_named(debug, cx18_debug, int, 0644); |
| 102 | module_param(cx18_pci_latency, int, 0644); |
| 103 | module_param(cx18_first_minor, int, 0644); |
| 104 | |
| 105 | module_param(enc_mpg_buffers, int, 0644); |
| 106 | module_param(enc_ts_buffers, int, 0644); |
| 107 | module_param(enc_yuv_buffers, int, 0644); |
| 108 | module_param(enc_vbi_buffers, int, 0644); |
| 109 | module_param(enc_pcm_buffers, int, 0644); |
| 110 | |
| 111 | MODULE_PARM_DESC(tuner, "Tuner type selection,\n" |
| 112 | "\t\t\tsee tuner.h for values"); |
| 113 | MODULE_PARM_DESC(radio, |
| 114 | "Enable or disable the radio. Use only if autodetection\n" |
| 115 | "\t\t\tfails. 0 = disable, 1 = enable"); |
| 116 | MODULE_PARM_DESC(cardtype, |
| 117 | "Only use this option if your card is not detected properly.\n" |
| 118 | "\t\tSpecify card type:\n" |
| 119 | "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n" |
| 120 | "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n" |
| 121 | "\t\t\t 3 = Compro VideoMate H900\n" |
| 122 | "\t\t\t 4 = Yuan MPC718\n" |
| 123 | "\t\t\t 0 = Autodetect (default)\n" |
| 124 | "\t\t\t-1 = Ignore this card\n\t\t"); |
| 125 | MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60"); |
| 126 | MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC"); |
| 127 | MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K"); |
| 128 | MODULE_PARM_DESC(debug, |
| 129 | "Debug level (bitmask). Default: 0\n" |
| 130 | "\t\t\t 1/0x0001: warning\n" |
| 131 | "\t\t\t 2/0x0002: info\n" |
| 132 | "\t\t\t 4/0x0004: mailbox\n" |
| 133 | "\t\t\t 8/0x0008: dma\n" |
| 134 | "\t\t\t 16/0x0010: ioctl\n" |
| 135 | "\t\t\t 32/0x0020: file\n" |
| 136 | "\t\t\t 64/0x0040: i2c\n" |
| 137 | "\t\t\t128/0x0080: irq\n" |
| 138 | "\t\t\t256/0x0100: high volume\n"); |
| 139 | MODULE_PARM_DESC(cx18_pci_latency, |
| 140 | "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n" |
| 141 | "\t\t\tDefault: Yes"); |
| 142 | MODULE_PARM_DESC(enc_mpg_buffers, |
| 143 | "Encoder MPG Buffers (in MB)\n" |
| 144 | "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS)); |
| 145 | MODULE_PARM_DESC(enc_ts_buffers, |
| 146 | "Encoder TS Buffers (in MB)\n" |
| 147 | "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS)); |
| 148 | MODULE_PARM_DESC(enc_yuv_buffers, |
| 149 | "Encoder YUV Buffers (in MB)\n" |
| 150 | "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS)); |
| 151 | MODULE_PARM_DESC(enc_vbi_buffers, |
| 152 | "Encoder VBI Buffers (in MB)\n" |
| 153 | "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS)); |
| 154 | MODULE_PARM_DESC(enc_pcm_buffers, |
| 155 | "Encoder PCM buffers (in MB)\n" |
| 156 | "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS)); |
| 157 | |
| 158 | MODULE_PARM_DESC(cx18_first_minor, "Set minor assigned to first card"); |
| 159 | |
| 160 | MODULE_AUTHOR("Hans Verkuil"); |
| 161 | MODULE_DESCRIPTION("CX23418 driver"); |
| 162 | MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder"); |
| 163 | MODULE_LICENSE("GPL"); |
| 164 | |
| 165 | MODULE_VERSION(CX18_VERSION); |
| 166 | |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 167 | /* Generic utility functions */ |
| 168 | int cx18_msleep_timeout(unsigned int msecs, int intr) |
| 169 | { |
| 170 | int timeout = msecs_to_jiffies(msecs); |
| 171 | int sig; |
| 172 | |
| 173 | do { |
| 174 | set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); |
| 175 | timeout = schedule_timeout(timeout); |
| 176 | sig = intr ? signal_pending(current) : 0; |
| 177 | } while (!sig && timeout); |
| 178 | return sig; |
| 179 | } |
| 180 | |
| 181 | /* Release ioremapped memory */ |
| 182 | static void cx18_iounmap(struct cx18 *cx) |
| 183 | { |
| 184 | if (cx == NULL) |
| 185 | return; |
| 186 | |
| 187 | /* Release io memory */ |
| 188 | if (cx->enc_mem != NULL) { |
| 189 | CX18_DEBUG_INFO("releasing enc_mem\n"); |
| 190 | iounmap(cx->enc_mem); |
| 191 | cx->enc_mem = NULL; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | /* Hauppauge card? get values from tveeprom */ |
| 196 | void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv) |
| 197 | { |
| 198 | u8 eedata[256]; |
| 199 | |
| 200 | cx->i2c_client[0].addr = 0xA0 >> 1; |
| 201 | tveeprom_read(&cx->i2c_client[0], eedata, sizeof(eedata)); |
| 202 | tveeprom_hauppauge_analog(&cx->i2c_client[0], tv, eedata); |
| 203 | } |
| 204 | |
| 205 | static void cx18_process_eeprom(struct cx18 *cx) |
| 206 | { |
| 207 | struct tveeprom tv; |
| 208 | |
| 209 | cx18_read_eeprom(cx, &tv); |
| 210 | |
| 211 | /* Many thanks to Steven Toth from Hauppauge for providing the |
| 212 | model numbers */ |
Hans Verkuil | 1d08160 | 2008-05-12 14:45:19 -0300 | [diff] [blame] | 213 | /* Note: the Samsung memory models cannot be reliably determined |
| 214 | from the model number. Use the cardtype module option if you |
| 215 | have one of these preproduction models. */ |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 216 | switch (tv.model) { |
Hans Verkuil | 1d08160 | 2008-05-12 14:45:19 -0300 | [diff] [blame] | 217 | case 74000 ... 74999: |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 218 | cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); |
| 219 | break; |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 220 | case 0: |
| 221 | CX18_ERR("Invalid EEPROM\n"); |
| 222 | return; |
| 223 | default: |
| 224 | CX18_ERR("Unknown model %d, defaulting to HVR-1600\n", tv.model); |
| 225 | cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); |
| 226 | break; |
| 227 | } |
| 228 | |
| 229 | cx->v4l2_cap = cx->card->v4l2_capabilities; |
| 230 | cx->card_name = cx->card->name; |
| 231 | cx->card_i2c = cx->card->i2c; |
| 232 | |
| 233 | CX18_INFO("Autodetected %s\n", cx->card_name); |
| 234 | |
| 235 | if (tv.tuner_type == TUNER_ABSENT) |
| 236 | CX18_ERR("tveeprom cannot autodetect tuner!"); |
| 237 | |
| 238 | if (cx->options.tuner == -1) |
| 239 | cx->options.tuner = tv.tuner_type; |
| 240 | if (cx->options.radio == -1) |
| 241 | cx->options.radio = (tv.has_radio != 0); |
| 242 | |
| 243 | if (cx->std != 0) |
| 244 | /* user specified tuner standard */ |
| 245 | return; |
| 246 | |
| 247 | /* autodetect tuner standard */ |
| 248 | if (tv.tuner_formats & V4L2_STD_PAL) { |
| 249 | CX18_DEBUG_INFO("PAL tuner detected\n"); |
| 250 | cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H; |
| 251 | } else if (tv.tuner_formats & V4L2_STD_NTSC) { |
| 252 | CX18_DEBUG_INFO("NTSC tuner detected\n"); |
| 253 | cx->std |= V4L2_STD_NTSC_M; |
| 254 | } else if (tv.tuner_formats & V4L2_STD_SECAM) { |
| 255 | CX18_DEBUG_INFO("SECAM tuner detected\n"); |
| 256 | cx->std |= V4L2_STD_SECAM_L; |
| 257 | } else { |
| 258 | CX18_INFO("No tuner detected, default to NTSC-M\n"); |
| 259 | cx->std |= V4L2_STD_NTSC_M; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | static v4l2_std_id cx18_parse_std(struct cx18 *cx) |
| 264 | { |
| 265 | switch (pal[0]) { |
| 266 | case '6': |
| 267 | return V4L2_STD_PAL_60; |
| 268 | case 'b': |
| 269 | case 'B': |
| 270 | case 'g': |
| 271 | case 'G': |
| 272 | return V4L2_STD_PAL_BG; |
| 273 | case 'h': |
| 274 | case 'H': |
| 275 | return V4L2_STD_PAL_H; |
| 276 | case 'n': |
| 277 | case 'N': |
| 278 | if (pal[1] == 'c' || pal[1] == 'C') |
| 279 | return V4L2_STD_PAL_Nc; |
| 280 | return V4L2_STD_PAL_N; |
| 281 | case 'i': |
| 282 | case 'I': |
| 283 | return V4L2_STD_PAL_I; |
| 284 | case 'd': |
| 285 | case 'D': |
| 286 | case 'k': |
| 287 | case 'K': |
| 288 | return V4L2_STD_PAL_DK; |
| 289 | case 'M': |
| 290 | case 'm': |
| 291 | return V4L2_STD_PAL_M; |
| 292 | case '-': |
| 293 | break; |
| 294 | default: |
| 295 | CX18_WARN("pal= argument not recognised\n"); |
| 296 | return 0; |
| 297 | } |
| 298 | |
| 299 | switch (secam[0]) { |
| 300 | case 'b': |
| 301 | case 'B': |
| 302 | case 'g': |
| 303 | case 'G': |
| 304 | case 'h': |
| 305 | case 'H': |
| 306 | return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; |
| 307 | case 'd': |
| 308 | case 'D': |
| 309 | case 'k': |
| 310 | case 'K': |
| 311 | return V4L2_STD_SECAM_DK; |
| 312 | case 'l': |
| 313 | case 'L': |
| 314 | if (secam[1] == 'C' || secam[1] == 'c') |
| 315 | return V4L2_STD_SECAM_LC; |
| 316 | return V4L2_STD_SECAM_L; |
| 317 | case '-': |
| 318 | break; |
| 319 | default: |
| 320 | CX18_WARN("secam= argument not recognised\n"); |
| 321 | return 0; |
| 322 | } |
| 323 | |
| 324 | switch (ntsc[0]) { |
| 325 | case 'm': |
| 326 | case 'M': |
| 327 | return V4L2_STD_NTSC_M; |
| 328 | case 'j': |
| 329 | case 'J': |
| 330 | return V4L2_STD_NTSC_M_JP; |
| 331 | case 'k': |
| 332 | case 'K': |
| 333 | return V4L2_STD_NTSC_M_KR; |
| 334 | case '-': |
| 335 | break; |
| 336 | default: |
| 337 | CX18_WARN("ntsc= argument not recognised\n"); |
| 338 | return 0; |
| 339 | } |
| 340 | |
| 341 | /* no match found */ |
| 342 | return 0; |
| 343 | } |
| 344 | |
| 345 | static void cx18_process_options(struct cx18 *cx) |
| 346 | { |
| 347 | int i, j; |
| 348 | |
| 349 | cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers; |
| 350 | cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers; |
| 351 | cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers; |
| 352 | cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers; |
| 353 | cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers; |
| 354 | cx->options.cardtype = cardtype[cx->num]; |
| 355 | cx->options.tuner = tuner[cx->num]; |
| 356 | cx->options.radio = radio[cx->num]; |
| 357 | |
| 358 | cx->std = cx18_parse_std(cx); |
| 359 | if (cx->options.cardtype == -1) { |
| 360 | CX18_INFO("Ignore card\n"); |
| 361 | return; |
| 362 | } |
| 363 | cx->card = cx18_get_card(cx->options.cardtype - 1); |
| 364 | if (cx->card) |
| 365 | CX18_INFO("User specified %s card\n", cx->card->name); |
| 366 | else if (cx->options.cardtype != 0) |
| 367 | CX18_ERR("Unknown user specified type, trying to autodetect card\n"); |
| 368 | if (cx->card == NULL) { |
| 369 | if (cx->dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) { |
| 370 | cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); |
| 371 | CX18_INFO("Autodetected Hauppauge card\n"); |
| 372 | } |
| 373 | } |
| 374 | if (cx->card == NULL) { |
| 375 | for (i = 0; (cx->card = cx18_get_card(i)); i++) { |
| 376 | if (cx->card->pci_list == NULL) |
| 377 | continue; |
| 378 | for (j = 0; cx->card->pci_list[j].device; j++) { |
| 379 | if (cx->dev->device != |
| 380 | cx->card->pci_list[j].device) |
| 381 | continue; |
| 382 | if (cx->dev->subsystem_vendor != |
| 383 | cx->card->pci_list[j].subsystem_vendor) |
| 384 | continue; |
| 385 | if (cx->dev->subsystem_device != |
| 386 | cx->card->pci_list[j].subsystem_device) |
| 387 | continue; |
| 388 | CX18_INFO("Autodetected %s card\n", cx->card->name); |
| 389 | goto done; |
| 390 | } |
| 391 | } |
| 392 | } |
| 393 | done: |
| 394 | |
| 395 | if (cx->card == NULL) { |
| 396 | cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); |
| 397 | CX18_ERR("Unknown card: vendor/device: %04x/%04x\n", |
| 398 | cx->dev->vendor, cx->dev->device); |
| 399 | CX18_ERR(" subsystem vendor/device: %04x/%04x\n", |
| 400 | cx->dev->subsystem_vendor, cx->dev->subsystem_device); |
| 401 | CX18_ERR("Defaulting to %s card\n", cx->card->name); |
| 402 | CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n"); |
| 403 | CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n"); |
| 404 | CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n"); |
| 405 | } |
| 406 | cx->v4l2_cap = cx->card->v4l2_capabilities; |
| 407 | cx->card_name = cx->card->name; |
| 408 | cx->card_i2c = cx->card->i2c; |
| 409 | } |
| 410 | |
| 411 | /* Precondition: the cx18 structure has been memset to 0. Only |
| 412 | the dev and num fields have been filled in. |
| 413 | No assumptions on the card type may be made here (see cx18_init_struct2 |
| 414 | for that). |
| 415 | */ |
| 416 | static int __devinit cx18_init_struct1(struct cx18 *cx) |
| 417 | { |
| 418 | cx->base_addr = pci_resource_start(cx->dev, 0); |
| 419 | |
| 420 | mutex_init(&cx->serialize_lock); |
| 421 | mutex_init(&cx->i2c_bus_lock[0]); |
| 422 | mutex_init(&cx->i2c_bus_lock[1]); |
| 423 | |
| 424 | spin_lock_init(&cx->lock); |
| 425 | spin_lock_init(&cx->dma_reg_lock); |
| 426 | |
| 427 | /* start counting open_id at 1 */ |
| 428 | cx->open_id = 1; |
| 429 | |
| 430 | /* Initial settings */ |
| 431 | cx2341x_fill_defaults(&cx->params); |
| 432 | cx->temporal_strength = cx->params.video_temporal_filter; |
| 433 | cx->spatial_strength = cx->params.video_spatial_filter; |
| 434 | cx->filter_mode = cx->params.video_spatial_filter_mode | |
| 435 | (cx->params.video_temporal_filter_mode << 1) | |
| 436 | (cx->params.video_median_filter_type << 2); |
| 437 | cx->params.port = CX2341X_PORT_MEMORY; |
| 438 | cx->params.capabilities = CX2341X_CAP_HAS_SLICED_VBI; |
| 439 | init_waitqueue_head(&cx->cap_w); |
| 440 | init_waitqueue_head(&cx->mb_apu_waitq); |
| 441 | init_waitqueue_head(&cx->mb_cpu_waitq); |
| 442 | init_waitqueue_head(&cx->mb_epu_waitq); |
| 443 | init_waitqueue_head(&cx->mb_hpu_waitq); |
| 444 | init_waitqueue_head(&cx->dma_waitq); |
| 445 | |
| 446 | /* VBI */ |
| 447 | cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; |
| 448 | cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced; |
| 449 | cx->vbi.raw_size = 1456; |
| 450 | cx->vbi.raw_decoder_line_size = 1456; |
| 451 | cx->vbi.raw_decoder_sav_odd_field = 0x20; |
| 452 | cx->vbi.raw_decoder_sav_even_field = 0x60; |
| 453 | cx->vbi.sliced_decoder_line_size = 272; |
| 454 | cx->vbi.sliced_decoder_sav_odd_field = 0xB0; |
| 455 | cx->vbi.sliced_decoder_sav_even_field = 0xF0; |
| 456 | return 0; |
| 457 | } |
| 458 | |
| 459 | /* Second initialization part. Here the card type has been |
| 460 | autodetected. */ |
| 461 | static void __devinit cx18_init_struct2(struct cx18 *cx) |
| 462 | { |
| 463 | int i; |
| 464 | |
| 465 | for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++) |
| 466 | if (cx->card->video_inputs[i].video_type == 0) |
| 467 | break; |
| 468 | cx->nof_inputs = i; |
| 469 | for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++) |
| 470 | if (cx->card->audio_inputs[i].audio_type == 0) |
| 471 | break; |
| 472 | cx->nof_audio_inputs = i; |
| 473 | |
| 474 | /* Find tuner input */ |
| 475 | for (i = 0; i < cx->nof_inputs; i++) { |
| 476 | if (cx->card->video_inputs[i].video_type == |
| 477 | CX18_CARD_INPUT_VID_TUNER) |
| 478 | break; |
| 479 | } |
| 480 | if (i == cx->nof_inputs) |
| 481 | i = 0; |
| 482 | cx->active_input = i; |
| 483 | cx->audio_input = cx->card->video_inputs[i].audio_index; |
| 484 | cx->av_state.vid_input = CX18_AV_COMPOSITE7; |
| 485 | cx->av_state.aud_input = CX18_AV_AUDIO8; |
| 486 | cx->av_state.audclk_freq = 48000; |
| 487 | cx->av_state.audmode = V4L2_TUNER_MODE_LANG1; |
| 488 | cx->av_state.vbi_line_offset = 8; |
| 489 | } |
| 490 | |
| 491 | static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev, |
| 492 | const struct pci_device_id *pci_id) |
| 493 | { |
| 494 | u16 cmd; |
| 495 | unsigned char pci_latency; |
| 496 | |
| 497 | CX18_DEBUG_INFO("Enabling pci device\n"); |
| 498 | |
| 499 | if (pci_enable_device(dev)) { |
| 500 | CX18_ERR("Can't enable device %d!\n", cx->num); |
| 501 | return -EIO; |
| 502 | } |
| 503 | if (pci_set_dma_mask(dev, 0xffffffff)) { |
| 504 | CX18_ERR("No suitable DMA available on card %d.\n", cx->num); |
| 505 | return -EIO; |
| 506 | } |
| 507 | if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) { |
| 508 | CX18_ERR("Cannot request encoder memory region on card %d.\n", cx->num); |
| 509 | return -EIO; |
| 510 | } |
| 511 | |
| 512 | /* Check for bus mastering */ |
| 513 | pci_read_config_word(dev, PCI_COMMAND, &cmd); |
| 514 | cmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; |
| 515 | pci_write_config_word(dev, PCI_COMMAND, cmd); |
| 516 | |
| 517 | pci_read_config_byte(dev, PCI_CLASS_REVISION, &cx->card_rev); |
| 518 | pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency); |
| 519 | |
| 520 | if (pci_latency < 64 && cx18_pci_latency) { |
| 521 | CX18_INFO("Unreasonably low latency timer, " |
| 522 | "setting to 64 (was %d)\n", pci_latency); |
| 523 | pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64); |
| 524 | pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency); |
| 525 | } |
| 526 | /* This config space value relates to DMA latencies. The |
| 527 | default value 0x8080 is too low however and will lead |
| 528 | to DMA errors. 0xffff is the max value which solves |
| 529 | these problems. */ |
| 530 | pci_write_config_dword(dev, 0x40, 0xffff); |
| 531 | |
| 532 | CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, " |
| 533 | "irq: %d, latency: %d, memory: 0x%lx\n", |
| 534 | cx->dev->device, cx->card_rev, dev->bus->number, |
| 535 | PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), |
| 536 | cx->dev->irq, pci_latency, (unsigned long)cx->base_addr); |
| 537 | |
| 538 | return 0; |
| 539 | } |
| 540 | |
Hans Verkuil | 6a4a793 | 2008-05-01 09:34:54 -0300 | [diff] [blame] | 541 | #ifdef MODULE |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 542 | static u32 cx18_request_module(struct cx18 *cx, u32 hw, |
| 543 | const char *name, u32 id) |
| 544 | { |
| 545 | if ((hw & id) == 0) |
| 546 | return hw; |
| 547 | if (request_module(name) != 0) { |
| 548 | CX18_ERR("Failed to load module %s\n", name); |
| 549 | return hw & ~id; |
| 550 | } |
| 551 | CX18_DEBUG_INFO("Loaded module %s\n", name); |
| 552 | return hw; |
| 553 | } |
Hans Verkuil | 6a4a793 | 2008-05-01 09:34:54 -0300 | [diff] [blame] | 554 | #endif |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 555 | |
| 556 | static void cx18_load_and_init_modules(struct cx18 *cx) |
| 557 | { |
| 558 | u32 hw = cx->card->hw_all; |
| 559 | int i; |
| 560 | |
Hans Verkuil | 6a4a793 | 2008-05-01 09:34:54 -0300 | [diff] [blame] | 561 | #ifdef MODULE |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 562 | /* load modules */ |
Mauro Carvalho Chehab | ff13817 | 2008-04-29 23:02:33 -0300 | [diff] [blame] | 563 | #ifndef CONFIG_MEDIA_TUNER |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 564 | hw = cx18_request_module(cx, hw, "tuner", CX18_HW_TUNER); |
| 565 | #endif |
| 566 | #ifndef CONFIG_VIDEO_CS5345 |
| 567 | hw = cx18_request_module(cx, hw, "cs5345", CX18_HW_CS5345); |
| 568 | #endif |
Hans Verkuil | 6a4a793 | 2008-05-01 09:34:54 -0300 | [diff] [blame] | 569 | #endif |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 570 | |
| 571 | /* check which i2c devices are actually found */ |
| 572 | for (i = 0; i < 32; i++) { |
| 573 | u32 device = 1 << i; |
| 574 | |
| 575 | if (!(device & hw)) |
| 576 | continue; |
| 577 | if (device == CX18_HW_GPIO || device == CX18_HW_TVEEPROM || |
| 578 | device == CX18_HW_CX23418 || device == CX18_HW_DVB) { |
| 579 | /* These 'devices' do not use i2c probing */ |
| 580 | cx->hw_flags |= device; |
| 581 | continue; |
| 582 | } |
| 583 | cx18_i2c_register(cx, i); |
| 584 | if (cx18_i2c_hw_addr(cx, device) > 0) |
| 585 | cx->hw_flags |= device; |
| 586 | } |
| 587 | |
| 588 | hw = cx->hw_flags; |
| 589 | } |
| 590 | |
| 591 | static int __devinit cx18_probe(struct pci_dev *dev, |
| 592 | const struct pci_device_id *pci_id) |
| 593 | { |
| 594 | int retval = 0; |
| 595 | int vbi_buf_size; |
| 596 | u32 devtype; |
| 597 | struct cx18 *cx; |
| 598 | |
| 599 | spin_lock(&cx18_cards_lock); |
| 600 | |
| 601 | /* Make sure we've got a place for this card */ |
| 602 | if (cx18_cards_active == CX18_MAX_CARDS) { |
| 603 | printk(KERN_ERR "cx18: Maximum number of cards detected (%d).\n", |
| 604 | cx18_cards_active); |
| 605 | spin_unlock(&cx18_cards_lock); |
| 606 | return -ENOMEM; |
| 607 | } |
| 608 | |
| 609 | cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC); |
Harvey Harrison | cb6969e | 2008-05-06 20:42:32 -0700 | [diff] [blame] | 610 | if (!cx) { |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 611 | spin_unlock(&cx18_cards_lock); |
| 612 | return -ENOMEM; |
| 613 | } |
| 614 | cx18_cards[cx18_cards_active] = cx; |
| 615 | cx->dev = dev; |
| 616 | cx->num = cx18_cards_active++; |
| 617 | snprintf(cx->name, sizeof(cx->name) - 1, "cx18-%d", cx->num); |
| 618 | CX18_INFO("Initializing card #%d\n", cx->num); |
| 619 | |
| 620 | spin_unlock(&cx18_cards_lock); |
| 621 | |
| 622 | cx18_process_options(cx); |
| 623 | if (cx->options.cardtype == -1) { |
| 624 | retval = -ENODEV; |
| 625 | goto err; |
| 626 | } |
| 627 | if (cx18_init_struct1(cx)) { |
| 628 | retval = -ENOMEM; |
| 629 | goto err; |
| 630 | } |
| 631 | |
| 632 | CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr); |
| 633 | |
| 634 | /* PCI Device Setup */ |
| 635 | retval = cx18_setup_pci(cx, dev, pci_id); |
| 636 | if (retval != 0) { |
| 637 | if (retval == -EIO) |
| 638 | goto free_workqueue; |
| 639 | else if (retval == -ENXIO) |
| 640 | goto free_mem; |
| 641 | } |
| 642 | /* save cx in the pci struct for later use */ |
| 643 | pci_set_drvdata(dev, cx); |
| 644 | |
| 645 | /* map io memory */ |
| 646 | CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n", |
| 647 | cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE); |
| 648 | cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET, |
| 649 | CX18_MEM_SIZE); |
| 650 | if (!cx->enc_mem) { |
| 651 | CX18_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n"); |
| 652 | CX18_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n"); |
| 653 | retval = -ENOMEM; |
| 654 | goto free_mem; |
| 655 | } |
| 656 | cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET; |
| 657 | devtype = read_reg(0xC72028); |
| 658 | switch (devtype & 0xff000000) { |
| 659 | case 0xff000000: |
| 660 | CX18_INFO("cx23418 revision %08x (A)\n", devtype); |
| 661 | break; |
| 662 | case 0x01000000: |
| 663 | CX18_INFO("cx23418 revision %08x (B)\n", devtype); |
| 664 | break; |
| 665 | default: |
| 666 | CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype); |
| 667 | break; |
| 668 | } |
| 669 | |
| 670 | cx18_init_power(cx, 1); |
| 671 | cx18_init_memory(cx); |
| 672 | |
| 673 | cx->scb = (struct cx18_scb *)(cx->enc_mem + SCB_OFFSET); |
| 674 | cx18_init_scb(cx); |
| 675 | |
| 676 | cx18_gpio_init(cx); |
| 677 | |
| 678 | /* active i2c */ |
| 679 | CX18_DEBUG_INFO("activating i2c...\n"); |
| 680 | if (init_cx18_i2c(cx)) { |
| 681 | CX18_ERR("Could not initialize i2c\n"); |
| 682 | goto free_map; |
| 683 | } |
| 684 | |
| 685 | CX18_DEBUG_INFO("Active card count: %d.\n", cx18_cards_active); |
| 686 | |
| 687 | if (cx->card->hw_all & CX18_HW_TVEEPROM) { |
| 688 | /* Based on the model number the cardtype may be changed. |
| 689 | The PCI IDs are not always reliable. */ |
| 690 | cx18_process_eeprom(cx); |
| 691 | } |
| 692 | if (cx->card->comment) |
| 693 | CX18_INFO("%s", cx->card->comment); |
| 694 | if (cx->card->v4l2_capabilities == 0) { |
| 695 | retval = -ENODEV; |
| 696 | goto free_i2c; |
| 697 | } |
| 698 | cx18_init_memory(cx); |
| 699 | |
| 700 | /* Register IRQ */ |
| 701 | retval = request_irq(cx->dev->irq, cx18_irq_handler, |
| 702 | IRQF_SHARED | IRQF_DISABLED, cx->name, (void *)cx); |
| 703 | if (retval) { |
| 704 | CX18_ERR("Failed to register irq %d\n", retval); |
| 705 | goto free_i2c; |
| 706 | } |
| 707 | |
| 708 | if (cx->std == 0) |
| 709 | cx->std = V4L2_STD_NTSC_M; |
| 710 | |
| 711 | if (cx->options.tuner == -1) { |
| 712 | int i; |
| 713 | |
| 714 | for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) { |
| 715 | if ((cx->std & cx->card->tuners[i].std) == 0) |
| 716 | continue; |
| 717 | cx->options.tuner = cx->card->tuners[i].tuner; |
| 718 | break; |
| 719 | } |
| 720 | } |
| 721 | /* if no tuner was found, then pick the first tuner in the card list */ |
| 722 | if (cx->options.tuner == -1 && cx->card->tuners[0].std) { |
| 723 | cx->std = cx->card->tuners[0].std; |
| 724 | cx->options.tuner = cx->card->tuners[0].tuner; |
| 725 | } |
| 726 | if (cx->options.radio == -1) |
| 727 | cx->options.radio = (cx->card->radio_input.audio_type != 0); |
| 728 | |
| 729 | /* The card is now fully identified, continue with card-specific |
| 730 | initialization. */ |
| 731 | cx18_init_struct2(cx); |
| 732 | |
| 733 | cx18_load_and_init_modules(cx); |
| 734 | |
| 735 | if (cx->std & V4L2_STD_525_60) { |
| 736 | cx->is_60hz = 1; |
| 737 | cx->is_out_60hz = 1; |
| 738 | } else { |
| 739 | cx->is_50hz = 1; |
| 740 | cx->is_out_50hz = 1; |
| 741 | } |
| 742 | cx->params.video_gop_size = cx->is_60hz ? 15 : 12; |
| 743 | |
| 744 | cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = 0x08000; |
| 745 | cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = 0x08000; |
| 746 | cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = 0x01200; |
| 747 | cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = 0x20000; |
| 748 | vbi_buf_size = cx->vbi.raw_size * (cx->is_60hz ? 24 : 36) / 2; |
| 749 | cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_buf_size; |
| 750 | |
| 751 | if (cx->options.radio > 0) |
| 752 | cx->v4l2_cap |= V4L2_CAP_RADIO; |
| 753 | |
| 754 | retval = cx18_streams_setup(cx); |
| 755 | if (retval) { |
| 756 | CX18_ERR("Error %d setting up streams\n", retval); |
| 757 | goto free_irq; |
| 758 | } |
| 759 | retval = cx18_streams_register(cx); |
| 760 | if (retval) { |
| 761 | CX18_ERR("Error %d registering devices\n", retval); |
| 762 | goto free_streams; |
| 763 | } |
| 764 | |
| 765 | if (cx->options.tuner > -1) { |
| 766 | struct tuner_setup setup; |
| 767 | |
| 768 | setup.addr = ADDR_UNSET; |
| 769 | setup.type = cx->options.tuner; |
| 770 | setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */ |
| 771 | setup.tuner_callback = (setup.type == TUNER_XC2028) ? |
| 772 | cx18_reset_tuner_gpio : NULL; |
| 773 | cx18_call_i2c_clients(cx, TUNER_SET_TYPE_ADDR, &setup); |
| 774 | if (setup.type == TUNER_XC2028) { |
| 775 | static struct xc2028_ctrl ctrl = { |
| 776 | .fname = XC2028_DEFAULT_FIRMWARE, |
| 777 | .max_len = 64, |
| 778 | }; |
| 779 | struct v4l2_priv_tun_config cfg = { |
| 780 | .tuner = cx->options.tuner, |
| 781 | .priv = &ctrl, |
| 782 | }; |
| 783 | cx18_call_i2c_clients(cx, TUNER_SET_CONFIG, &cfg); |
| 784 | } |
| 785 | } |
| 786 | |
| 787 | /* The tuner is fixed to the standard. The other inputs (e.g. S-Video) |
| 788 | are not. */ |
| 789 | cx->tuner_std = cx->std; |
| 790 | |
| 791 | cx18_init_on_first_open(cx); |
| 792 | |
| 793 | CX18_INFO("Initialized card #%d: %s\n", cx->num, cx->card_name); |
| 794 | |
| 795 | return 0; |
| 796 | |
| 797 | free_streams: |
Hans Verkuil | 3f98387 | 2008-05-01 10:31:12 -0300 | [diff] [blame] | 798 | cx18_streams_cleanup(cx, 1); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 799 | free_irq: |
| 800 | free_irq(cx->dev->irq, (void *)cx); |
| 801 | free_i2c: |
| 802 | exit_cx18_i2c(cx); |
| 803 | free_map: |
| 804 | cx18_iounmap(cx); |
| 805 | free_mem: |
| 806 | release_mem_region(cx->base_addr, CX18_MEM_SIZE); |
| 807 | free_workqueue: |
| 808 | err: |
| 809 | if (retval == 0) |
| 810 | retval = -ENODEV; |
| 811 | CX18_ERR("Error %d on initialization\n", retval); |
| 812 | |
| 813 | kfree(cx18_cards[cx18_cards_active]); |
| 814 | cx18_cards[cx18_cards_active] = NULL; |
| 815 | return retval; |
| 816 | } |
| 817 | |
| 818 | int cx18_init_on_first_open(struct cx18 *cx) |
| 819 | { |
| 820 | int video_input; |
| 821 | int fw_retry_count = 3; |
| 822 | struct v4l2_frequency vf; |
| 823 | |
| 824 | if (test_bit(CX18_F_I_FAILED, &cx->i_flags)) |
| 825 | return -ENXIO; |
| 826 | |
| 827 | if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags)) |
| 828 | return 0; |
| 829 | |
| 830 | while (--fw_retry_count > 0) { |
| 831 | /* load firmware */ |
| 832 | if (cx18_firmware_init(cx) == 0) |
| 833 | break; |
| 834 | if (fw_retry_count > 1) |
| 835 | CX18_WARN("Retry loading firmware\n"); |
| 836 | } |
| 837 | |
| 838 | if (fw_retry_count == 0) { |
| 839 | set_bit(CX18_F_I_FAILED, &cx->i_flags); |
| 840 | return -ENXIO; |
| 841 | } |
| 842 | set_bit(CX18_F_I_LOADED_FW, &cx->i_flags); |
| 843 | |
| 844 | /* Init the firmware twice to work around a silicon bug |
| 845 | * transport related. */ |
| 846 | |
| 847 | fw_retry_count = 3; |
| 848 | while (--fw_retry_count > 0) { |
| 849 | /* load firmware */ |
| 850 | if (cx18_firmware_init(cx) == 0) |
| 851 | break; |
| 852 | if (fw_retry_count > 1) |
| 853 | CX18_WARN("Retry loading firmware\n"); |
| 854 | } |
| 855 | |
| 856 | if (fw_retry_count == 0) { |
| 857 | set_bit(CX18_F_I_FAILED, &cx->i_flags); |
| 858 | return -ENXIO; |
| 859 | } |
| 860 | |
| 861 | vf.tuner = 0; |
| 862 | vf.type = V4L2_TUNER_ANALOG_TV; |
| 863 | vf.frequency = 6400; /* the tuner 'baseline' frequency */ |
| 864 | |
| 865 | /* Set initial frequency. For PAL/SECAM broadcasts no |
| 866 | 'default' channel exists AFAIK. */ |
| 867 | if (cx->std == V4L2_STD_NTSC_M_JP) |
| 868 | vf.frequency = 1460; /* ch. 1 91250*16/1000 */ |
| 869 | else if (cx->std & V4L2_STD_NTSC_M) |
| 870 | vf.frequency = 1076; /* ch. 4 67250*16/1000 */ |
| 871 | |
| 872 | video_input = cx->active_input; |
| 873 | cx->active_input++; /* Force update of input */ |
| 874 | cx18_v4l2_ioctls(cx, NULL, VIDIOC_S_INPUT, &video_input); |
| 875 | |
| 876 | /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code |
| 877 | in one place. */ |
| 878 | cx->std++; /* Force full standard initialization */ |
| 879 | cx18_v4l2_ioctls(cx, NULL, VIDIOC_S_STD, &cx->tuner_std); |
| 880 | cx18_v4l2_ioctls(cx, NULL, VIDIOC_S_FREQUENCY, &vf); |
| 881 | return 0; |
| 882 | } |
| 883 | |
| 884 | static void cx18_remove(struct pci_dev *pci_dev) |
| 885 | { |
| 886 | struct cx18 *cx = pci_get_drvdata(pci_dev); |
| 887 | |
| 888 | CX18_DEBUG_INFO("Removing Card #%d\n", cx->num); |
| 889 | |
| 890 | /* Stop all captures */ |
| 891 | CX18_DEBUG_INFO("Stopping all streams\n"); |
| 892 | if (atomic_read(&cx->capturing) > 0) |
| 893 | cx18_stop_all_captures(cx); |
| 894 | |
| 895 | /* Interrupts */ |
| 896 | sw1_irq_disable(IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); |
| 897 | sw2_irq_disable(IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); |
| 898 | |
| 899 | cx18_halt_firmware(cx); |
| 900 | |
Hans Verkuil | 3f98387 | 2008-05-01 10:31:12 -0300 | [diff] [blame] | 901 | cx18_streams_cleanup(cx, 1); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 902 | |
| 903 | exit_cx18_i2c(cx); |
| 904 | |
| 905 | free_irq(cx->dev->irq, (void *)cx); |
| 906 | |
Hans Verkuil | cba627a | 2008-05-12 14:48:26 -0300 | [diff] [blame^] | 907 | cx18_iounmap(cx); |
Hans Verkuil | 1c1e45d | 2008-04-28 20:24:33 -0300 | [diff] [blame] | 908 | |
| 909 | release_mem_region(cx->base_addr, CX18_MEM_SIZE); |
| 910 | |
| 911 | pci_disable_device(cx->dev); |
| 912 | |
| 913 | CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num); |
| 914 | } |
| 915 | |
| 916 | /* define a pci_driver for card detection */ |
| 917 | static struct pci_driver cx18_pci_driver = { |
| 918 | .name = "cx18", |
| 919 | .id_table = cx18_pci_tbl, |
| 920 | .probe = cx18_probe, |
| 921 | .remove = cx18_remove, |
| 922 | }; |
| 923 | |
| 924 | static int module_start(void) |
| 925 | { |
| 926 | printk(KERN_INFO "cx18: Start initialization, version %s\n", CX18_VERSION); |
| 927 | |
| 928 | memset(cx18_cards, 0, sizeof(cx18_cards)); |
| 929 | |
| 930 | /* Validate parameters */ |
| 931 | if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) { |
| 932 | printk(KERN_ERR "cx18: Exiting, ivtv_first_minor must be between 0 and %d\n", |
| 933 | CX18_MAX_CARDS - 1); |
| 934 | return -1; |
| 935 | } |
| 936 | |
| 937 | if (cx18_debug < 0 || cx18_debug > 511) { |
| 938 | cx18_debug = 0; |
| 939 | printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n"); |
| 940 | } |
| 941 | |
| 942 | if (pci_register_driver(&cx18_pci_driver)) { |
| 943 | printk(KERN_ERR "cx18: Error detecting PCI card\n"); |
| 944 | return -ENODEV; |
| 945 | } |
| 946 | printk(KERN_INFO "cx18: End initialization\n"); |
| 947 | return 0; |
| 948 | } |
| 949 | |
| 950 | static void module_cleanup(void) |
| 951 | { |
| 952 | int i; |
| 953 | |
| 954 | pci_unregister_driver(&cx18_pci_driver); |
| 955 | |
| 956 | for (i = 0; i < cx18_cards_active; i++) { |
| 957 | if (cx18_cards[i] == NULL) |
| 958 | continue; |
| 959 | kfree(cx18_cards[i]); |
| 960 | } |
| 961 | } |
| 962 | |
| 963 | module_init(module_start); |
| 964 | module_exit(module_cleanup); |