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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * cx18 driver initialization and card probing4 *5 * Derived from ivtv-driver.c6 *7 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>8 * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>9 */10 11#include "cx18-driver.h"12#include "cx18-io.h"13#include "cx18-version.h"14#include "cx18-cards.h"15#include "cx18-i2c.h"16#include "cx18-irq.h"17#include "cx18-gpio.h"18#include "cx18-firmware.h"19#include "cx18-queue.h"20#include "cx18-streams.h"21#include "cx18-av-core.h"22#include "cx18-scb.h"23#include "cx18-mailbox.h"24#include "cx18-ioctl.h"25#include "cx18-controls.h"26#include "xc2028.h"27#include <linux/dma-mapping.h>28#include <media/tveeprom.h>29 30/* If you have already X v4l cards, then set this to X. This way31 the device numbers stay matched. Example: you have a WinTV card32 without radio and a Compro H900 with. Normally this would give a33 video1 device together with a radio0 device for the Compro. By34 setting this to 1 you ensure that radio0 is now also radio1. */35int cx18_first_minor;36 37/* Callback for registering extensions */38int (*cx18_ext_init)(struct cx18 *);39EXPORT_SYMBOL(cx18_ext_init);40 41/* add your revision and whatnot here */42static const struct pci_device_id cx18_pci_tbl[] = {43 {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,44 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},45 {0,}46};47 48MODULE_DEVICE_TABLE(pci, cx18_pci_tbl);49 50static atomic_t cx18_instance = ATOMIC_INIT(0);51 52/* Parameter declarations */53static int cardtype[CX18_MAX_CARDS];54static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,55 -1, -1, -1, -1, -1, -1, -1, -1,56 -1, -1, -1, -1, -1, -1, -1, -1,57 -1, -1, -1, -1, -1, -1, -1, -1 };58static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,59 -1, -1, -1, -1, -1, -1, -1, -1,60 -1, -1, -1, -1, -1, -1, -1, -1,61 -1, -1, -1, -1, -1, -1, -1, -1 };62static unsigned cardtype_c = 1;63static unsigned tuner_c = 1;64static unsigned radio_c = 1;65static char pal[] = "--";66static char secam[] = "--";67static char ntsc[] = "-";68 69/* Buffers */70static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS;71static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;72static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS;73static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS;74static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS;75static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS;76 77static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE;78static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE;79static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE;80static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE;81static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE;82 83static int enc_ts_bufs = -1;84static int enc_mpg_bufs = -1;85static int enc_idx_bufs = CX18_MAX_FW_MDLS_PER_STREAM;86static int enc_yuv_bufs = -1;87static int enc_vbi_bufs = -1;88static int enc_pcm_bufs = -1;89 90 91static int cx18_pci_latency = 1;92 93static int mmio_ndelay;94static int retry_mmio = 1;95 96int cx18_debug;97 98module_param_array(tuner, int, &tuner_c, 0644);99module_param_array(radio, int, &radio_c, 0644);100module_param_array(cardtype, int, &cardtype_c, 0644);101module_param_string(pal, pal, sizeof(pal), 0644);102module_param_string(secam, secam, sizeof(secam), 0644);103module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);104module_param_named(debug, cx18_debug, int, 0644);105module_param(mmio_ndelay, int, 0644);106module_param(retry_mmio, int, 0644);107module_param(cx18_pci_latency, int, 0644);108module_param(cx18_first_minor, int, 0644);109 110module_param(enc_ts_buffers, int, 0644);111module_param(enc_mpg_buffers, int, 0644);112module_param(enc_idx_buffers, int, 0644);113module_param(enc_yuv_buffers, int, 0644);114module_param(enc_vbi_buffers, int, 0644);115module_param(enc_pcm_buffers, int, 0644);116 117module_param(enc_ts_bufsize, int, 0644);118module_param(enc_mpg_bufsize, int, 0644);119module_param(enc_idx_bufsize, int, 0644);120module_param(enc_yuv_bufsize, int, 0644);121module_param(enc_pcm_bufsize, int, 0644);122 123module_param(enc_ts_bufs, int, 0644);124module_param(enc_mpg_bufs, int, 0644);125module_param(enc_idx_bufs, int, 0644);126module_param(enc_yuv_bufs, int, 0644);127module_param(enc_vbi_bufs, int, 0644);128module_param(enc_pcm_bufs, int, 0644);129 130MODULE_PARM_DESC(tuner, "Tuner type selection,\n"131 "\t\t\tsee tuner.h for values");132MODULE_PARM_DESC(radio,133 "Enable or disable the radio. Use only if autodetection\n"134 "\t\t\tfails. 0 = disable, 1 = enable");135MODULE_PARM_DESC(cardtype,136 "Only use this option if your card is not detected properly.\n"137 "\t\tSpecify card type:\n"138 "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n"139 "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n"140 "\t\t\t 3 = Compro VideoMate H900\n"141 "\t\t\t 4 = Yuan MPC718\n"142 "\t\t\t 5 = Conexant Raptor PAL/SECAM\n"143 "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n"144 "\t\t\t 7 = Leadtek WinFast PVR2100\n"145 "\t\t\t 8 = Leadtek WinFast DVR3100 H\n"146 "\t\t\t 9 = GoTView PCI DVD3 Hybrid\n"147 "\t\t\t 10 = Hauppauge HVR 1600 (S5H1411)\n"148 "\t\t\t 0 = Autodetect (default)\n"149 "\t\t\t-1 = Ignore this card\n\t\t");150MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60");151MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC");152MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K");153MODULE_PARM_DESC(debug,154 "Debug level (bitmask). Default: 0\n"155 "\t\t\t 1/0x0001: warning\n"156 "\t\t\t 2/0x0002: info\n"157 "\t\t\t 4/0x0004: mailbox\n"158 "\t\t\t 8/0x0008: dma\n"159 "\t\t\t 16/0x0010: ioctl\n"160 "\t\t\t 32/0x0020: file\n"161 "\t\t\t 64/0x0040: i2c\n"162 "\t\t\t128/0x0080: irq\n"163 "\t\t\t256/0x0100: high volume\n");164MODULE_PARM_DESC(cx18_pci_latency,165 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"166 "\t\t\tDefault: Yes");167MODULE_PARM_DESC(retry_mmio,168 "(Deprecated) MMIO writes are now always checked and retried\n"169 "\t\t\tEffectively: 1 [Yes]");170MODULE_PARM_DESC(mmio_ndelay,171 "(Deprecated) MMIO accesses are now never purposely delayed\n"172 "\t\t\tEffectively: 0 ns");173MODULE_PARM_DESC(enc_ts_buffers,174 "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n"175 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS));176MODULE_PARM_DESC(enc_ts_bufsize,177 "Size of an encoder TS buffer (kB)\n"178 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE));179MODULE_PARM_DESC(enc_ts_bufs,180 "Number of encoder TS buffers\n"181 "\t\t\tDefault is computed from other enc_ts_* parameters");182MODULE_PARM_DESC(enc_mpg_buffers,183 "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n"184 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));185MODULE_PARM_DESC(enc_mpg_bufsize,186 "Size of an encoder MPG buffer (kB)\n"187 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE));188MODULE_PARM_DESC(enc_mpg_bufs,189 "Number of encoder MPG buffers\n"190 "\t\t\tDefault is computed from other enc_mpg_* parameters");191MODULE_PARM_DESC(enc_idx_buffers,192 "(Deprecated) Encoder IDX buffer memory (MB)\n"193 "\t\t\tIgnored, except 0 disables IDX buffer allocations\n"194 "\t\t\tDefault: 1 [Enabled]");195MODULE_PARM_DESC(enc_idx_bufsize,196 "Size of an encoder IDX buffer (kB)\n"197 "\t\t\tAllowed values are multiples of 1.5 kB rounded up\n"198 "\t\t\t(multiples of size required for 64 index entries)\n"199 "\t\t\tDefault: 2");200MODULE_PARM_DESC(enc_idx_bufs,201 "Number of encoder IDX buffers\n"202 "\t\t\tDefault: " __stringify(CX18_MAX_FW_MDLS_PER_STREAM));203MODULE_PARM_DESC(enc_yuv_buffers,204 "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n"205 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS));206MODULE_PARM_DESC(enc_yuv_bufsize,207 "Size of an encoder YUV buffer (kB)\n"208 "\t\t\tAllowed values are multiples of 33.75 kB rounded up\n"209 "\t\t\t(multiples of size required for 32 screen lines)\n"210 "\t\t\tDefault: 102");211MODULE_PARM_DESC(enc_yuv_bufs,212 "Number of encoder YUV buffers\n"213 "\t\t\tDefault is computed from other enc_yuv_* parameters");214MODULE_PARM_DESC(enc_vbi_buffers,215 "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n"216 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS));217MODULE_PARM_DESC(enc_vbi_bufs,218 "Number of encoder VBI buffers\n"219 "\t\t\tDefault is computed from enc_vbi_buffers");220MODULE_PARM_DESC(enc_pcm_buffers,221 "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n"222 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS));223MODULE_PARM_DESC(enc_pcm_bufsize,224 "Size of an encoder PCM buffer (kB)\n"225 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE));226MODULE_PARM_DESC(enc_pcm_bufs,227 "Number of encoder PCM buffers\n"228 "\t\t\tDefault is computed from other enc_pcm_* parameters");229 230MODULE_PARM_DESC(cx18_first_minor,231 "Set device node number assigned to first card");232 233MODULE_AUTHOR("Hans Verkuil");234MODULE_DESCRIPTION("CX23418 driver");235MODULE_LICENSE("GPL");236 237MODULE_VERSION(CX18_VERSION);238 239#if defined(CONFIG_MODULES) && defined(MODULE)240static void request_module_async(struct work_struct *work)241{242 struct cx18 *dev = container_of(work, struct cx18, request_module_wk);243 244 /* Make sure cx18-alsa module is loaded */245 request_module("cx18-alsa");246 247 /* Initialize cx18-alsa for this instance of the cx18 device */248 if (cx18_ext_init)249 cx18_ext_init(dev);250}251 252static void request_modules(struct cx18 *dev)253{254 INIT_WORK(&dev->request_module_wk, request_module_async);255 schedule_work(&dev->request_module_wk);256}257 258static void flush_request_modules(struct cx18 *dev)259{260 flush_work(&dev->request_module_wk);261}262#else263#define request_modules(dev)264#define flush_request_modules(dev)265#endif /* CONFIG_MODULES */266 267/* Generic utility functions */268int cx18_msleep_timeout(unsigned int msecs, int intr)269{270 long int timeout = msecs_to_jiffies(msecs);271 int sig;272 273 do {274 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);275 timeout = schedule_timeout(timeout);276 sig = intr ? signal_pending(current) : 0;277 } while (!sig && timeout);278 return sig;279}280 281/* Release ioremapped memory */282static void cx18_iounmap(struct cx18 *cx)283{284 if (!cx)285 return;286 287 /* Release io memory */288 if (cx->enc_mem) {289 CX18_DEBUG_INFO("releasing enc_mem\n");290 iounmap(cx->enc_mem);291 cx->enc_mem = NULL;292 }293}294 295static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len)296{297 int i;298 299 CX18_INFO("eeprom dump:\n");300 for (i = 0; i < len; i++) {301 if (0 == (i % 16))302 CX18_INFO("eeprom %02x:", i);303 printk(KERN_CONT " %02x", eedata[i]);304 if (15 == (i % 16))305 printk(KERN_CONT "\n");306 }307}308 309/* Hauppauge card? get values from tveeprom */310void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)311{312 struct i2c_client *c;313 u8 eedata[256];314 315 memset(tv, 0, sizeof(*tv));316 317 c = kzalloc(sizeof(*c), GFP_KERNEL);318 if (!c)319 return;320 321 strscpy(c->name, "cx18 tveeprom tmp", sizeof(c->name));322 c->adapter = &cx->i2c_adap[0];323 c->addr = 0xa0 >> 1;324 325 if (tveeprom_read(c, eedata, sizeof(eedata)))326 goto ret;327 328 switch (cx->card->type) {329 case CX18_CARD_HVR_1600_ESMT:330 case CX18_CARD_HVR_1600_SAMSUNG:331 case CX18_CARD_HVR_1600_S5H1411:332 tveeprom_hauppauge_analog(tv, eedata);333 break;334 case CX18_CARD_YUAN_MPC718:335 case CX18_CARD_GOTVIEW_PCI_DVD3:336 tv->model = 0x718;337 cx18_eeprom_dump(cx, eedata, sizeof(eedata));338 CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n",339 eedata[2], eedata[1], eedata[4], eedata[3]);340 break;341 default:342 tv->model = 0xffffffff;343 cx18_eeprom_dump(cx, eedata, sizeof(eedata));344 break;345 }346 347ret:348 kfree(c);349}350 351static void cx18_process_eeprom(struct cx18 *cx)352{353 struct tveeprom tv;354 355 cx18_read_eeprom(cx, &tv);356 357 /* Many thanks to Steven Toth from Hauppauge for providing the358 model numbers */359 /* Note: the Samsung memory models cannot be reliably determined360 from the model number. Use the cardtype module option if you361 have one of these preproduction models. */362 switch (tv.model) {363 case 74301: /* Retail models */364 case 74321:365 case 74351: /* OEM models */366 case 74361:367 /* Digital side is s5h1411/tda18271 */368 cx->card = cx18_get_card(CX18_CARD_HVR_1600_S5H1411);369 break;370 case 74021: /* Retail models */371 case 74031:372 case 74041:373 case 74141:374 case 74541: /* OEM models */375 case 74551:376 case 74591:377 case 74651:378 case 74691:379 case 74751:380 case 74891:381 /* Digital side is s5h1409/mxl5005s */382 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);383 break;384 case 0x718:385 return;386 case 0xffffffff:387 CX18_INFO("Unknown EEPROM encoding\n");388 return;389 case 0:390 CX18_ERR("Invalid EEPROM\n");391 return;392 default:393 CX18_ERR("Unknown model %d, defaulting to original HVR-1600 (cardtype=1)\n",394 tv.model);395 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);396 break;397 }398 399 cx->v4l2_cap = cx->card->v4l2_capabilities;400 cx->card_name = cx->card->name;401 cx->card_i2c = cx->card->i2c;402 403 CX18_INFO("Autodetected %s\n", cx->card_name);404 405 if (tv.tuner_type == TUNER_ABSENT)406 CX18_ERR("tveeprom cannot autodetect tuner!\n");407 408 if (cx->options.tuner == -1)409 cx->options.tuner = tv.tuner_type;410 if (cx->options.radio == -1)411 cx->options.radio = (tv.has_radio != 0);412 413 if (cx->std != 0)414 /* user specified tuner standard */415 return;416 417 /* autodetect tuner standard */418#define TVEEPROM_TUNER_FORMAT_ALL (V4L2_STD_B | V4L2_STD_GH | \419 V4L2_STD_MN | \420 V4L2_STD_PAL_I | \421 V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC | \422 V4L2_STD_DK)423 if ((tv.tuner_formats & TVEEPROM_TUNER_FORMAT_ALL)424 == TVEEPROM_TUNER_FORMAT_ALL) {425 CX18_DEBUG_INFO("Worldwide tuner detected\n");426 cx->std = V4L2_STD_ALL;427 } else if (tv.tuner_formats & V4L2_STD_PAL) {428 CX18_DEBUG_INFO("PAL tuner detected\n");429 cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;430 } else if (tv.tuner_formats & V4L2_STD_NTSC) {431 CX18_DEBUG_INFO("NTSC tuner detected\n");432 cx->std |= V4L2_STD_NTSC_M;433 } else if (tv.tuner_formats & V4L2_STD_SECAM) {434 CX18_DEBUG_INFO("SECAM tuner detected\n");435 cx->std |= V4L2_STD_SECAM_L;436 } else {437 CX18_INFO("No tuner detected, default to NTSC-M\n");438 cx->std |= V4L2_STD_NTSC_M;439 }440}441 442static v4l2_std_id cx18_parse_std(struct cx18 *cx)443{444 switch (pal[0]) {445 case '6':446 return V4L2_STD_PAL_60;447 case 'b':448 case 'B':449 case 'g':450 case 'G':451 return V4L2_STD_PAL_BG;452 case 'h':453 case 'H':454 return V4L2_STD_PAL_H;455 case 'n':456 case 'N':457 if (pal[1] == 'c' || pal[1] == 'C')458 return V4L2_STD_PAL_Nc;459 return V4L2_STD_PAL_N;460 case 'i':461 case 'I':462 return V4L2_STD_PAL_I;463 case 'd':464 case 'D':465 case 'k':466 case 'K':467 return V4L2_STD_PAL_DK;468 case 'M':469 case 'm':470 return V4L2_STD_PAL_M;471 case '-':472 break;473 default:474 CX18_WARN("pal= argument not recognised\n");475 return 0;476 }477 478 switch (secam[0]) {479 case 'b':480 case 'B':481 case 'g':482 case 'G':483 case 'h':484 case 'H':485 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;486 case 'd':487 case 'D':488 case 'k':489 case 'K':490 return V4L2_STD_SECAM_DK;491 case 'l':492 case 'L':493 if (secam[1] == 'C' || secam[1] == 'c')494 return V4L2_STD_SECAM_LC;495 return V4L2_STD_SECAM_L;496 case '-':497 break;498 default:499 CX18_WARN("secam= argument not recognised\n");500 return 0;501 }502 503 switch (ntsc[0]) {504 case 'm':505 case 'M':506 return V4L2_STD_NTSC_M;507 case 'j':508 case 'J':509 return V4L2_STD_NTSC_M_JP;510 case 'k':511 case 'K':512 return V4L2_STD_NTSC_M_KR;513 case '-':514 break;515 default:516 CX18_WARN("ntsc= argument not recognised\n");517 return 0;518 }519 520 /* no match found */521 return 0;522}523 524static void cx18_process_options(struct cx18 *cx)525{526 int i, j;527 528 cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers;529 cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;530 cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers;531 cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;532 cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;533 cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;534 cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */535 536 cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs;537 cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs;538 cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs;539 cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs;540 cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs;541 cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs;542 cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */543 544 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize;545 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize;546 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize;547 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize;548 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = VBI_ACTIVE_SAMPLES * 36;549 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize;550 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */551 552 /* Ensure stream_buffers & stream_buf_size are valid */553 for (i = 0; i < CX18_MAX_STREAMS; i++) {554 if (cx->stream_buffers[i] == 0 || /* User said 0 buffers */555 cx->options.megabytes[i] <= 0 || /* User said 0 MB total */556 cx->stream_buf_size[i] <= 0) { /* User said buf size 0 */557 cx->options.megabytes[i] = 0;558 cx->stream_buffers[i] = 0;559 cx->stream_buf_size[i] = 0;560 continue;561 }562 /*563 * YUV is a special case where the stream_buf_size needs to be564 * an integral multiple of 33.75 kB (storage for 32 screens565 * lines to maintain alignment in case of lost buffers).566 *567 * IDX is a special case where the stream_buf_size should be568 * an integral multiple of 1.5 kB (storage for 64 index entries569 * to maintain alignment in case of lost buffers).570 *571 */572 if (i == CX18_ENC_STREAM_TYPE_YUV) {573 cx->stream_buf_size[i] *= 1024;574 cx->stream_buf_size[i] -=575 (cx->stream_buf_size[i] % CX18_UNIT_ENC_YUV_BUFSIZE);576 577 if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE)578 cx->stream_buf_size[i] =579 CX18_UNIT_ENC_YUV_BUFSIZE;580 } else if (i == CX18_ENC_STREAM_TYPE_IDX) {581 cx->stream_buf_size[i] *= 1024;582 cx->stream_buf_size[i] -=583 (cx->stream_buf_size[i] % CX18_UNIT_ENC_IDX_BUFSIZE);584 585 if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE)586 cx->stream_buf_size[i] =587 CX18_UNIT_ENC_IDX_BUFSIZE;588 }589 /*590 * YUV and IDX are special cases where the stream_buf_size is591 * now in bytes.592 * VBI is a special case where the stream_buf_size is fixed593 * and already in bytes594 */595 if (i == CX18_ENC_STREAM_TYPE_VBI ||596 i == CX18_ENC_STREAM_TYPE_YUV ||597 i == CX18_ENC_STREAM_TYPE_IDX) {598 if (cx->stream_buffers[i] < 0) {599 cx->stream_buffers[i] =600 cx->options.megabytes[i] * 1024 * 1024601 / cx->stream_buf_size[i];602 } else {603 /* N.B. This might round down to 0 */604 cx->options.megabytes[i] =605 cx->stream_buffers[i]606 * cx->stream_buf_size[i]/(1024 * 1024);607 }608 } else {609 /* All other streams have stream_buf_size in kB here */610 if (cx->stream_buffers[i] < 0) {611 cx->stream_buffers[i] =612 cx->options.megabytes[i] * 1024613 / cx->stream_buf_size[i];614 } else {615 /* N.B. This might round down to 0 */616 cx->options.megabytes[i] =617 cx->stream_buffers[i]618 * cx->stream_buf_size[i] / 1024;619 }620 /* convert from kB to bytes */621 cx->stream_buf_size[i] *= 1024;622 }623 CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, %d bytes\n",624 i, cx->options.megabytes[i],625 cx->stream_buffers[i], cx->stream_buf_size[i]);626 }627 628 cx->options.cardtype = cardtype[cx->instance];629 cx->options.tuner = tuner[cx->instance];630 cx->options.radio = radio[cx->instance];631 632 cx->std = cx18_parse_std(cx);633 if (cx->options.cardtype == -1) {634 CX18_INFO("Ignore card\n");635 return;636 }637 cx->card = cx18_get_card(cx->options.cardtype - 1);638 if (cx->card)639 CX18_INFO("User specified %s card\n", cx->card->name);640 else if (cx->options.cardtype != 0)641 CX18_ERR("Unknown user specified type, trying to autodetect card\n");642 if (!cx->card) {643 if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {644 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);645 CX18_INFO("Autodetected Hauppauge card\n");646 }647 }648 if (!cx->card) {649 for (i = 0; (cx->card = cx18_get_card(i)); i++) {650 if (!cx->card->pci_list)651 continue;652 for (j = 0; cx->card->pci_list[j].device; j++) {653 if (cx->pci_dev->device !=654 cx->card->pci_list[j].device)655 continue;656 if (cx->pci_dev->subsystem_vendor !=657 cx->card->pci_list[j].subsystem_vendor)658 continue;659 if (cx->pci_dev->subsystem_device !=660 cx->card->pci_list[j].subsystem_device)661 continue;662 CX18_INFO("Autodetected %s card\n", cx->card->name);663 goto done;664 }665 }666 }667done:668 669 if (!cx->card) {670 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);671 CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n",672 cx->pci_dev->vendor, cx->pci_dev->device);673 CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n",674 cx->pci_dev->subsystem_vendor,675 cx->pci_dev->subsystem_device);676 CX18_ERR("Defaulting to %s card\n", cx->card->name);677 CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");678 CX18_ERR("card you have to the linux-media mailinglist (www.linuxtv.org)\n");679 CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n");680 }681 cx->v4l2_cap = cx->card->v4l2_capabilities;682 cx->card_name = cx->card->name;683 cx->card_i2c = cx->card->i2c;684}685 686static int cx18_create_in_workq(struct cx18 *cx)687{688 snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in",689 cx->v4l2_dev.name);690 cx->in_work_queue = alloc_ordered_workqueue("%s", 0, cx->in_workq_name);691 if (!cx->in_work_queue) {692 CX18_ERR("Unable to create incoming mailbox handler thread\n");693 return -ENOMEM;694 }695 return 0;696}697 698static void cx18_init_in_work_orders(struct cx18 *cx)699{700 int i;701 for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) {702 cx->in_work_order[i].cx = cx;703 cx->in_work_order[i].str = cx->epu_debug_str;704 INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler);705 }706}707 708/* Precondition: the cx18 structure has been memset to 0. Only709 the dev and instance fields have been filled in.710 No assumptions on the card type may be made here (see cx18_init_struct2711 for that).712 */713static int cx18_init_struct1(struct cx18 *cx)714{715 int ret;716 717 cx->base_addr = pci_resource_start(cx->pci_dev, 0);718 719 mutex_init(&cx->serialize_lock);720 mutex_init(&cx->gpio_lock);721 mutex_init(&cx->epu2apu_mb_lock);722 mutex_init(&cx->epu2cpu_mb_lock);723 724 ret = cx18_create_in_workq(cx);725 if (ret)726 return ret;727 728 cx18_init_in_work_orders(cx);729 730 /* start counting open_id at 1 */731 cx->open_id = 1;732 733 /* Initial settings */734 cx->cxhdl.port = CX2341X_PORT_MEMORY;735 cx->cxhdl.capabilities = CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI;736 cx->cxhdl.ops = &cx18_cxhdl_ops;737 cx->cxhdl.func = cx18_api_func;738 cx->cxhdl.priv = &cx->streams[CX18_ENC_STREAM_TYPE_MPG];739 ret = cx2341x_handler_init(&cx->cxhdl, 50);740 if (ret)741 return ret;742 cx->v4l2_dev.ctrl_handler = &cx->cxhdl.hdl;743 744 cx->temporal_strength = cx->cxhdl.video_temporal_filter->cur.val;745 cx->spatial_strength = cx->cxhdl.video_spatial_filter->cur.val;746 cx->filter_mode = cx->cxhdl.video_spatial_filter_mode->cur.val |747 (cx->cxhdl.video_temporal_filter_mode->cur.val << 1) |748 (cx->cxhdl.video_median_filter_type->cur.val << 2);749 750 init_waitqueue_head(&cx->cap_w);751 init_waitqueue_head(&cx->mb_apu_waitq);752 init_waitqueue_head(&cx->mb_cpu_waitq);753 init_waitqueue_head(&cx->dma_waitq);754 755 /* VBI */756 cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;757 cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;758 759 /* IVTV style VBI insertion into MPEG streams */760 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_buf.list);761 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.list);762 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.buf_list);763 list_add(&cx->vbi.sliced_mpeg_buf.list,764 &cx->vbi.sliced_mpeg_mdl.buf_list);765 return 0;766}767 768/* Second initialization part. Here the card type has been769 autodetected. */770static void cx18_init_struct2(struct cx18 *cx)771{772 int i;773 774 for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++)775 if (cx->card->video_inputs[i].video_type == 0)776 break;777 cx->nof_inputs = i;778 for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++)779 if (cx->card->audio_inputs[i].audio_type == 0)780 break;781 cx->nof_audio_inputs = i;782 783 /* Find tuner input */784 for (i = 0; i < cx->nof_inputs; i++) {785 if (cx->card->video_inputs[i].video_type ==786 CX18_CARD_INPUT_VID_TUNER)787 break;788 }789 if (i == cx->nof_inputs)790 i = 0;791 cx->active_input = i;792 cx->audio_input = cx->card->video_inputs[i].audio_index;793}794 795static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,796 const struct pci_device_id *pci_id)797{798 u16 cmd;799 unsigned char pci_latency;800 801 CX18_DEBUG_INFO("Enabling pci device\n");802 803 if (pci_enable_device(pci_dev)) {804 CX18_ERR("Can't enable device %d!\n", cx->instance);805 return -EIO;806 }807 if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32))) {808 CX18_ERR("No suitable DMA available, card %d\n", cx->instance);809 return -EIO;810 }811 if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) {812 CX18_ERR("Cannot request encoder memory region, card %d\n",813 cx->instance);814 return -EIO;815 }816 817 /* Enable bus mastering and memory mapped IO for the CX23418 */818 pci_read_config_word(pci_dev, PCI_COMMAND, &cmd);819 cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;820 pci_write_config_word(pci_dev, PCI_COMMAND, cmd);821 822 cx->card_rev = pci_dev->revision;823 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);824 825 if (pci_latency < 64 && cx18_pci_latency) {826 CX18_INFO("Unreasonably low latency timer, setting to 64 (was %d)\n",827 pci_latency);828 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64);829 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);830 }831 832 CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, irq: %d, latency: %d, memory: 0x%llx\n",833 cx->pci_dev->device, cx->card_rev, pci_dev->bus->number,834 PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn),835 cx->pci_dev->irq, pci_latency, (u64)cx->base_addr);836 837 return 0;838}839 840static void cx18_init_subdevs(struct cx18 *cx)841{842 u32 hw = cx->card->hw_all;843 u32 device;844 int i;845 846 for (i = 0, device = 1; i < 32; i++, device <<= 1) {847 848 if (!(device & hw))849 continue;850 851 switch (device) {852 case CX18_HW_DVB:853 case CX18_HW_TVEEPROM:854 /* These subordinate devices do not use probing */855 cx->hw_flags |= device;856 break;857 case CX18_HW_418_AV:858 /* The A/V decoder gets probed earlier to set PLLs */859 /* Just note that the card uses it (i.e. has analog) */860 cx->hw_flags |= device;861 break;862 case CX18_HW_GPIO_RESET_CTRL:863 /*864 * The Reset Controller gets probed and added to865 * hw_flags earlier for i2c adapter/bus initialization866 */867 break;868 case CX18_HW_GPIO_MUX:869 if (cx18_gpio_register(cx, device) == 0)870 cx->hw_flags |= device;871 break;872 default:873 if (cx18_i2c_register(cx, i) == 0)874 cx->hw_flags |= device;875 break;876 }877 }878 879 if (cx->hw_flags & CX18_HW_418_AV)880 cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV);881 882 if (cx->card->hw_muxer != 0)883 cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer);884}885 886static int cx18_probe(struct pci_dev *pci_dev,887 const struct pci_device_id *pci_id)888{889 int retval = 0;890 int i;891 u32 devtype;892 struct cx18 *cx;893 894 /* FIXME - module parameter arrays constrain max instances */895 i = atomic_inc_return(&cx18_instance) - 1;896 if (i >= CX18_MAX_CARDS) {897 printk(KERN_ERR "cx18: cannot manage card %d, driver has a limit of 0 - %d\n",898 i, CX18_MAX_CARDS - 1);899 return -ENOMEM;900 }901 902 cx = kzalloc(sizeof(*cx), GFP_KERNEL);903 if (!cx)904 return -ENOMEM;905 906 cx->pci_dev = pci_dev;907 cx->instance = i;908 909 retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev);910 if (retval) {911 printk(KERN_ERR "cx18: v4l2_device_register of card %d failed\n",912 cx->instance);913 kfree(cx);914 return retval;915 }916 snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d",917 cx->instance);918 CX18_INFO("Initializing card %d\n", cx->instance);919 920 cx18_process_options(cx);921 if (cx->options.cardtype == -1) {922 retval = -ENODEV;923 goto err;924 }925 926 retval = cx18_init_struct1(cx);927 if (retval)928 goto err;929 930 CX18_DEBUG_INFO("base addr: 0x%llx\n", (u64)cx->base_addr);931 932 /* PCI Device Setup */933 retval = cx18_setup_pci(cx, pci_dev, pci_id);934 if (retval != 0)935 goto free_workqueues;936 937 /* map io memory */938 CX18_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",939 (u64)cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);940 cx->enc_mem = ioremap(cx->base_addr + CX18_MEM_OFFSET,941 CX18_MEM_SIZE);942 if (!cx->enc_mem) {943 CX18_ERR("ioremap failed. Can't get a window into CX23418 memory and register space\n");944 CX18_ERR("Each capture card with a CX23418 needs 64 MB of vmalloc address space for the window\n");945 CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");946 CX18_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");947 retval = -ENOMEM;948 goto free_mem;949 }950 cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;951 devtype = cx18_read_reg(cx, 0xC72028);952 switch (devtype & 0xff000000) {953 case 0xff000000:954 CX18_INFO("cx23418 revision %08x (A)\n", devtype);955 break;956 case 0x01000000:957 CX18_INFO("cx23418 revision %08x (B)\n", devtype);958 break;959 default:960 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);961 break;962 }963 964 cx18_init_power(cx, 1);965 cx18_init_memory(cx);966 967 cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);968 cx18_init_scb(cx);969 970 cx18_gpio_init(cx);971 972 /* Initialize integrated A/V decoder early to set PLLs, just in case */973 retval = cx18_av_probe(cx);974 if (retval) {975 CX18_ERR("Could not register A/V decoder subdevice\n");976 goto free_map;977 }978 979 /* Initialize GPIO Reset Controller to do chip resets during i2c init */980 if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) {981 if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0)982 CX18_WARN("Could not register GPIO reset controllersubdevice; proceeding anyway.\n");983 else984 cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL;985 }986 987 /* active i2c */988 CX18_DEBUG_INFO("activating i2c...\n");989 retval = init_cx18_i2c(cx);990 if (retval) {991 CX18_ERR("Could not initialize i2c\n");992 goto free_map;993 }994 995 if (cx->card->hw_all & CX18_HW_TVEEPROM) {996 /* Based on the model number the cardtype may be changed.997 The PCI IDs are not always reliable. */998 const struct cx18_card *orig_card = cx->card;999 cx18_process_eeprom(cx);1000 1001 if (cx->card != orig_card) {1002 /* Changed the cardtype; re-reset the I2C chips */1003 cx18_gpio_init(cx);1004 cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL,1005 core, reset, (u32) CX18_GPIO_RESET_I2C);1006 }1007 }1008 if (cx->card->comment)1009 CX18_INFO("%s", cx->card->comment);1010 if (cx->card->v4l2_capabilities == 0) {1011 retval = -ENODEV;1012 goto free_i2c;1013 }1014 cx18_init_memory(cx);1015 cx18_init_scb(cx);1016 1017 /* Register IRQ */1018 retval = request_irq(cx->pci_dev->irq, cx18_irq_handler,1019 IRQF_SHARED, cx->v4l2_dev.name, (void *)cx);1020 if (retval) {1021 CX18_ERR("Failed to register irq %d\n", retval);1022 goto free_i2c;1023 }1024 1025 if (cx->std == 0)1026 cx->std = V4L2_STD_NTSC_M;1027 1028 if (cx->options.tuner == -1) {1029 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {1030 if ((cx->std & cx->card->tuners[i].std) == 0)1031 continue;1032 cx->options.tuner = cx->card->tuners[i].tuner;1033 break;1034 }1035 }1036 /* if no tuner was found, then pick the first tuner in the card list */1037 if (cx->options.tuner == -1 && cx->card->tuners[0].std) {1038 cx->std = cx->card->tuners[0].std;1039 if (cx->std & V4L2_STD_PAL)1040 cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;1041 else if (cx->std & V4L2_STD_NTSC)1042 cx->std = V4L2_STD_NTSC_M;1043 else if (cx->std & V4L2_STD_SECAM)1044 cx->std = V4L2_STD_SECAM_L;1045 cx->options.tuner = cx->card->tuners[0].tuner;1046 }1047 if (cx->options.radio == -1)1048 cx->options.radio = (cx->card->radio_input.audio_type != 0);1049 1050 /* The card is now fully identified, continue with card-specific1051 initialization. */1052 cx18_init_struct2(cx);1053 1054 cx18_init_subdevs(cx);1055 1056 if (cx->std & V4L2_STD_525_60)1057 cx->is_60hz = 1;1058 else1059 cx->is_50hz = 1;1060 1061 cx2341x_handler_set_50hz(&cx->cxhdl, !cx->is_60hz);1062 1063 if (cx->options.radio > 0)1064 cx->v4l2_cap |= V4L2_CAP_RADIO;1065 1066 if (cx->options.tuner > -1) {1067 struct tuner_setup setup;1068 1069 setup.addr = ADDR_UNSET;1070 setup.type = cx->options.tuner;1071 setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */1072 setup.config = NULL;1073 if (cx->options.radio > 0)1074 setup.mode_mask |= T_RADIO;1075 setup.tuner_callback = (setup.type == TUNER_XC2028) ?1076 cx18_reset_tuner_gpio : NULL;1077 cx18_call_all(cx, tuner, s_type_addr, &setup);1078 if (setup.type == TUNER_XC2028) {1079 static struct xc2028_ctrl ctrl = {1080 .fname = XC2028_DEFAULT_FIRMWARE,1081 .max_len = 64,1082 };1083 struct v4l2_priv_tun_config cfg = {1084 .tuner = cx->options.tuner,1085 .priv = &ctrl,1086 };1087 cx18_call_all(cx, tuner, s_config, &cfg);1088 }1089 }1090 1091 /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)1092 are not. */1093 cx->tuner_std = cx->std;1094 if (cx->std == V4L2_STD_ALL)1095 cx->std = V4L2_STD_NTSC_M;1096 1097 retval = cx18_streams_setup(cx);1098 if (retval) {1099 CX18_ERR("Error %d setting up streams\n", retval);1100 goto free_irq;1101 }1102 retval = cx18_streams_register(cx);1103 if (retval) {1104 CX18_ERR("Error %d registering devices\n", retval);1105 goto free_streams;1106 }1107 1108 CX18_INFO("Initialized card: %s\n", cx->card_name);1109 1110 /* Load cx18 submodules (cx18-alsa) */1111 request_modules(cx);1112 return 0;1113 1114free_streams:1115 cx18_streams_cleanup(cx, 1);1116free_irq:1117 free_irq(cx->pci_dev->irq, (void *)cx);1118free_i2c:1119 exit_cx18_i2c(cx);1120free_map:1121 cx18_iounmap(cx);1122free_mem:1123 release_mem_region(cx->base_addr, CX18_MEM_SIZE);1124free_workqueues:1125 destroy_workqueue(cx->in_work_queue);1126err:1127 CX18_ERR("Error %d on initialization\n", retval);1128 1129 v4l2_device_unregister(&cx->v4l2_dev);1130 kfree(cx);1131 return retval;1132}1133 1134int cx18_init_on_first_open(struct cx18 *cx)1135{1136 int video_input;1137 int fw_retry_count = 3;1138 struct v4l2_frequency vf;1139 struct cx18_open_id fh;1140 v4l2_std_id std;1141 1142 fh.cx = cx;1143 1144 if (test_bit(CX18_F_I_FAILED, &cx->i_flags))1145 return -ENXIO;1146 1147 if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))1148 return 0;1149 1150 while (--fw_retry_count > 0) {1151 /* load firmware */1152 if (cx18_firmware_init(cx) == 0)1153 break;1154 if (fw_retry_count > 1)1155 CX18_WARN("Retry loading firmware\n");1156 }1157 1158 if (fw_retry_count == 0) {1159 set_bit(CX18_F_I_FAILED, &cx->i_flags);1160 return -ENXIO;1161 }1162 set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);1163 1164 /*1165 * Init the firmware twice to work around a silicon bug1166 * with the digital TS.1167 *1168 * The second firmware load requires us to normalize the APU state,1169 * or the audio for the first analog capture will be badly incorrect.1170 *1171 * I can't seem to call APU_RESETAI and have it succeed without the1172 * APU capturing audio, so we start and stop it here to do the reset1173 */1174 1175 /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */1176 cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);1177 cx18_vapi(cx, CX18_APU_RESETAI, 0);1178 cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);1179 1180 fw_retry_count = 3;1181 while (--fw_retry_count > 0) {1182 /* load firmware */1183 if (cx18_firmware_init(cx) == 0)1184 break;1185 if (fw_retry_count > 1)1186 CX18_WARN("Retry loading firmware\n");1187 }1188 1189 if (fw_retry_count == 0) {1190 set_bit(CX18_F_I_FAILED, &cx->i_flags);1191 return -ENXIO;1192 }1193 1194 /*1195 * The second firmware load requires us to normalize the APU state,1196 * or the audio for the first analog capture will be badly incorrect.1197 *1198 * I can't seem to call APU_RESETAI and have it succeed without the1199 * APU capturing audio, so we start and stop it here to do the reset1200 */1201 1202 /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */1203 cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);1204 cx18_vapi(cx, CX18_APU_RESETAI, 0);1205 cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);1206 1207 /* Init the A/V decoder, if it hasn't been already */1208 v4l2_subdev_call(cx->sd_av, core, load_fw);1209 1210 vf.tuner = 0;1211 vf.type = V4L2_TUNER_ANALOG_TV;1212 vf.frequency = 6400; /* the tuner 'baseline' frequency */1213 1214 /* Set initial frequency. For PAL/SECAM broadcasts no1215 'default' channel exists AFAIK. */1216 if (cx->std == V4L2_STD_NTSC_M_JP)1217 vf.frequency = 1460; /* ch. 1 91250*16/1000 */1218 else if (cx->std & V4L2_STD_NTSC_M)1219 vf.frequency = 1076; /* ch. 4 67250*16/1000 */1220 1221 video_input = cx->active_input;1222 cx->active_input++; /* Force update of input */1223 cx18_s_input(NULL, &fh, video_input);1224 1225 /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code1226 in one place. */1227 cx->std++; /* Force full standard initialization */1228 std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std;1229 cx18_s_std(NULL, &fh, std);1230 cx18_s_frequency(NULL, &fh, &vf);1231 return 0;1232}1233 1234static void cx18_cancel_in_work_orders(struct cx18 *cx)1235{1236 int i;1237 for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++)1238 cancel_work_sync(&cx->in_work_order[i].work);1239}1240 1241static void cx18_cancel_out_work_orders(struct cx18 *cx)1242{1243 int i;1244 for (i = 0; i < CX18_MAX_STREAMS; i++)1245 if (cx->streams[i].video_dev.v4l2_dev)1246 cancel_work_sync(&cx->streams[i].out_work_order);1247}1248 1249static void cx18_remove(struct pci_dev *pci_dev)1250{1251 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);1252 struct cx18 *cx = to_cx18(v4l2_dev);1253 int i;1254 1255 CX18_DEBUG_INFO("Removing Card\n");1256 1257 flush_request_modules(cx);1258 1259 /* Stop all captures */1260 CX18_DEBUG_INFO("Stopping all streams\n");1261 if (atomic_read(&cx->tot_capturing) > 0)1262 cx18_stop_all_captures(cx);1263 1264 /* Stop interrupts that cause incoming work to be queued */1265 cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);1266 1267 /* Incoming work can cause outgoing work, so clean up incoming first */1268 cx18_cancel_in_work_orders(cx);1269 cx18_cancel_out_work_orders(cx);1270 1271 /* Stop ack interrupts that may have been needed for work to finish */1272 cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);1273 1274 cx18_halt_firmware(cx);1275 1276 destroy_workqueue(cx->in_work_queue);1277 1278 cx18_streams_cleanup(cx, 1);1279 1280 exit_cx18_i2c(cx);1281 1282 free_irq(cx->pci_dev->irq, (void *)cx);1283 1284 cx18_iounmap(cx);1285 1286 release_mem_region(cx->base_addr, CX18_MEM_SIZE);1287 1288 pci_disable_device(cx->pci_dev);1289 1290 if (cx->vbi.sliced_mpeg_data[0])1291 for (i = 0; i < CX18_VBI_FRAMES; i++)1292 kfree(cx->vbi.sliced_mpeg_data[i]);1293 1294 v4l2_ctrl_handler_free(&cx->av_state.hdl);1295 1296 CX18_INFO("Removed %s\n", cx->card_name);1297 1298 v4l2_device_unregister(v4l2_dev);1299 kfree(cx);1300}1301 1302 1303/* define a pci_driver for card detection */1304static struct pci_driver cx18_pci_driver = {1305 .name = "cx18",1306 .id_table = cx18_pci_tbl,1307 .probe = cx18_probe,1308 .remove = cx18_remove,1309};1310 1311static int __init module_start(void)1312{1313 printk(KERN_INFO "cx18: Start initialization, version %s\n",1314 CX18_VERSION);1315 1316 /* Validate parameters */1317 if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {1318 printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n",1319 CX18_MAX_CARDS - 1);1320 return -1;1321 }1322 1323 if (cx18_debug < 0 || cx18_debug > 511) {1324 cx18_debug = 0;1325 printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n");1326 }1327 1328 if (pci_register_driver(&cx18_pci_driver)) {1329 printk(KERN_ERR "cx18: Error detecting PCI card\n");1330 return -ENODEV;1331 }1332 printk(KERN_INFO "cx18: End initialization\n");1333 return 0;1334}1335 1336static void __exit module_cleanup(void)1337{1338 pci_unregister_driver(&cx18_pci_driver);1339}1340 1341module_init(module_start);1342module_exit(module_cleanup);1343MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE);1344