Linux 3.12.39
[linux/fpc-iii.git] / drivers / media / pci / cx18 / cx18-driver.c
blob1aa7ecd1fd81e0abb943e991b9079829612f4c39
1 /*
2 * cx18 driver initialization and card probing
4 * Derived from ivtv-driver.c
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
7 * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 * 02111-1307 USA
25 #include "cx18-driver.h"
26 #include "cx18-io.h"
27 #include "cx18-version.h"
28 #include "cx18-cards.h"
29 #include "cx18-i2c.h"
30 #include "cx18-irq.h"
31 #include "cx18-gpio.h"
32 #include "cx18-firmware.h"
33 #include "cx18-queue.h"
34 #include "cx18-streams.h"
35 #include "cx18-av-core.h"
36 #include "cx18-scb.h"
37 #include "cx18-mailbox.h"
38 #include "cx18-ioctl.h"
39 #include "cx18-controls.h"
40 #include "tuner-xc2028.h"
41 #include <linux/dma-mapping.h>
42 #include <media/tveeprom.h>
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;
51 /* Callback for registering extensions */
52 int (*cx18_ext_init)(struct cx18 *);
53 EXPORT_SYMBOL(cx18_ext_init);
55 /* add your revision and whatnot here */
56 static struct pci_device_id cx18_pci_tbl[] = {
57 {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
58 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
59 {0,}
62 MODULE_DEVICE_TABLE(pci, cx18_pci_tbl);
64 static atomic_t cx18_instance = ATOMIC_INIT(0);
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 static unsigned cardtype_c = 1;
77 static unsigned tuner_c = 1;
78 static unsigned radio_c = 1;
79 static char pal[] = "--";
80 static char secam[] = "--";
81 static char ntsc[] = "-";
83 /* Buffers */
84 static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS;
85 static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;
86 static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_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;
91 static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE;
92 static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE;
93 static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE;
94 static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE;
95 static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE;
97 static int enc_ts_bufs = -1;
98 static int enc_mpg_bufs = -1;
99 static int enc_idx_bufs = CX18_MAX_FW_MDLS_PER_STREAM;
100 static int enc_yuv_bufs = -1;
101 static int enc_vbi_bufs = -1;
102 static int enc_pcm_bufs = -1;
105 static int cx18_pci_latency = 1;
107 static int mmio_ndelay;
108 static int retry_mmio = 1;
110 int cx18_debug;
112 module_param_array(tuner, int, &tuner_c, 0644);
113 module_param_array(radio, int, &radio_c, 0644);
114 module_param_array(cardtype, int, &cardtype_c, 0644);
115 module_param_string(pal, pal, sizeof(pal), 0644);
116 module_param_string(secam, secam, sizeof(secam), 0644);
117 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
118 module_param_named(debug, cx18_debug, int, 0644);
119 module_param(mmio_ndelay, int, 0644);
120 module_param(retry_mmio, int, 0644);
121 module_param(cx18_pci_latency, int, 0644);
122 module_param(cx18_first_minor, int, 0644);
124 module_param(enc_ts_buffers, int, 0644);
125 module_param(enc_mpg_buffers, int, 0644);
126 module_param(enc_idx_buffers, int, 0644);
127 module_param(enc_yuv_buffers, int, 0644);
128 module_param(enc_vbi_buffers, int, 0644);
129 module_param(enc_pcm_buffers, int, 0644);
131 module_param(enc_ts_bufsize, int, 0644);
132 module_param(enc_mpg_bufsize, int, 0644);
133 module_param(enc_idx_bufsize, int, 0644);
134 module_param(enc_yuv_bufsize, int, 0644);
135 module_param(enc_pcm_bufsize, int, 0644);
137 module_param(enc_ts_bufs, int, 0644);
138 module_param(enc_mpg_bufs, int, 0644);
139 module_param(enc_idx_bufs, int, 0644);
140 module_param(enc_yuv_bufs, int, 0644);
141 module_param(enc_vbi_bufs, int, 0644);
142 module_param(enc_pcm_bufs, int, 0644);
144 MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
145 "\t\t\tsee tuner.h for values");
146 MODULE_PARM_DESC(radio,
147 "Enable or disable the radio. Use only if autodetection\n"
148 "\t\t\tfails. 0 = disable, 1 = enable");
149 MODULE_PARM_DESC(cardtype,
150 "Only use this option if your card is not detected properly.\n"
151 "\t\tSpecify card type:\n"
152 "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n"
153 "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n"
154 "\t\t\t 3 = Compro VideoMate H900\n"
155 "\t\t\t 4 = Yuan MPC718\n"
156 "\t\t\t 5 = Conexant Raptor PAL/SECAM\n"
157 "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n"
158 "\t\t\t 7 = Leadtek WinFast PVR2100\n"
159 "\t\t\t 8 = Leadtek WinFast DVR3100 H\n"
160 "\t\t\t 9 = GoTView PCI DVD3 Hybrid\n"
161 "\t\t\t 10 = Hauppauge HVR 1600 (S5H1411)\n"
162 "\t\t\t 0 = Autodetect (default)\n"
163 "\t\t\t-1 = Ignore this card\n\t\t");
164 MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60");
165 MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC");
166 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K");
167 MODULE_PARM_DESC(debug,
168 "Debug level (bitmask). Default: 0\n"
169 "\t\t\t 1/0x0001: warning\n"
170 "\t\t\t 2/0x0002: info\n"
171 "\t\t\t 4/0x0004: mailbox\n"
172 "\t\t\t 8/0x0008: dma\n"
173 "\t\t\t 16/0x0010: ioctl\n"
174 "\t\t\t 32/0x0020: file\n"
175 "\t\t\t 64/0x0040: i2c\n"
176 "\t\t\t128/0x0080: irq\n"
177 "\t\t\t256/0x0100: high volume\n");
178 MODULE_PARM_DESC(cx18_pci_latency,
179 "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
180 "\t\t\tDefault: Yes");
181 MODULE_PARM_DESC(retry_mmio,
182 "(Deprecated) MMIO writes are now always checked and retried\n"
183 "\t\t\tEffectively: 1 [Yes]");
184 MODULE_PARM_DESC(mmio_ndelay,
185 "(Deprecated) MMIO accesses are now never purposely delayed\n"
186 "\t\t\tEffectively: 0 ns");
187 MODULE_PARM_DESC(enc_ts_buffers,
188 "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n"
189 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS));
190 MODULE_PARM_DESC(enc_ts_bufsize,
191 "Size of an encoder TS buffer (kB)\n"
192 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE));
193 MODULE_PARM_DESC(enc_ts_bufs,
194 "Number of encoder TS buffers\n"
195 "\t\t\tDefault is computed from other enc_ts_* parameters");
196 MODULE_PARM_DESC(enc_mpg_buffers,
197 "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n"
198 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
199 MODULE_PARM_DESC(enc_mpg_bufsize,
200 "Size of an encoder MPG buffer (kB)\n"
201 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE));
202 MODULE_PARM_DESC(enc_mpg_bufs,
203 "Number of encoder MPG buffers\n"
204 "\t\t\tDefault is computed from other enc_mpg_* parameters");
205 MODULE_PARM_DESC(enc_idx_buffers,
206 "(Deprecated) Encoder IDX buffer memory (MB)\n"
207 "\t\t\tIgnored, except 0 disables IDX buffer allocations\n"
208 "\t\t\tDefault: 1 [Enabled]");
209 MODULE_PARM_DESC(enc_idx_bufsize,
210 "Size of an encoder IDX buffer (kB)\n"
211 "\t\t\tAllowed values are multiples of 1.5 kB rounded up\n"
212 "\t\t\t(multiples of size required for 64 index entries)\n"
213 "\t\t\tDefault: 2");
214 MODULE_PARM_DESC(enc_idx_bufs,
215 "Number of encoder IDX buffers\n"
216 "\t\t\tDefault: " __stringify(CX18_MAX_FW_MDLS_PER_STREAM));
217 MODULE_PARM_DESC(enc_yuv_buffers,
218 "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n"
219 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS));
220 MODULE_PARM_DESC(enc_yuv_bufsize,
221 "Size of an encoder YUV buffer (kB)\n"
222 "\t\t\tAllowed values are multiples of 33.75 kB rounded up\n"
223 "\t\t\t(multiples of size required for 32 screen lines)\n"
224 "\t\t\tDefault: 102");
225 MODULE_PARM_DESC(enc_yuv_bufs,
226 "Number of encoder YUV buffers\n"
227 "\t\t\tDefault is computed from other enc_yuv_* parameters");
228 MODULE_PARM_DESC(enc_vbi_buffers,
229 "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n"
230 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS));
231 MODULE_PARM_DESC(enc_vbi_bufs,
232 "Number of encoder VBI buffers\n"
233 "\t\t\tDefault is computed from enc_vbi_buffers");
234 MODULE_PARM_DESC(enc_pcm_buffers,
235 "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n"
236 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS));
237 MODULE_PARM_DESC(enc_pcm_bufsize,
238 "Size of an encoder PCM buffer (kB)\n"
239 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE));
240 MODULE_PARM_DESC(enc_pcm_bufs,
241 "Number of encoder PCM buffers\n"
242 "\t\t\tDefault is computed from other enc_pcm_* parameters");
244 MODULE_PARM_DESC(cx18_first_minor,
245 "Set device node number assigned to first card");
247 MODULE_AUTHOR("Hans Verkuil");
248 MODULE_DESCRIPTION("CX23418 driver");
249 MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder");
250 MODULE_LICENSE("GPL");
252 MODULE_VERSION(CX18_VERSION);
254 #if defined(CONFIG_MODULES) && defined(MODULE)
255 static void request_module_async(struct work_struct *work)
257 struct cx18 *dev = container_of(work, struct cx18, request_module_wk);
259 /* Make sure cx18-alsa module is loaded */
260 request_module("cx18-alsa");
262 /* Initialize cx18-alsa for this instance of the cx18 device */
263 if (cx18_ext_init != NULL)
264 cx18_ext_init(dev);
267 static void request_modules(struct cx18 *dev)
269 INIT_WORK(&dev->request_module_wk, request_module_async);
270 schedule_work(&dev->request_module_wk);
273 static void flush_request_modules(struct cx18 *dev)
275 flush_work(&dev->request_module_wk);
277 #else
278 #define request_modules(dev)
279 #define flush_request_modules(dev)
280 #endif /* CONFIG_MODULES */
282 /* Generic utility functions */
283 int cx18_msleep_timeout(unsigned int msecs, int intr)
285 long int timeout = msecs_to_jiffies(msecs);
286 int sig;
288 do {
289 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
290 timeout = schedule_timeout(timeout);
291 sig = intr ? signal_pending(current) : 0;
292 } while (!sig && timeout);
293 return sig;
296 /* Release ioremapped memory */
297 static void cx18_iounmap(struct cx18 *cx)
299 if (cx == NULL)
300 return;
302 /* Release io memory */
303 if (cx->enc_mem != NULL) {
304 CX18_DEBUG_INFO("releasing enc_mem\n");
305 iounmap(cx->enc_mem);
306 cx->enc_mem = NULL;
310 static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len)
312 int i;
314 CX18_INFO("eeprom dump:\n");
315 for (i = 0; i < len; i++) {
316 if (0 == (i % 16))
317 CX18_INFO("eeprom %02x:", i);
318 printk(KERN_CONT " %02x", eedata[i]);
319 if (15 == (i % 16))
320 printk(KERN_CONT "\n");
324 /* Hauppauge card? get values from tveeprom */
325 void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
327 struct i2c_client *c;
328 u8 eedata[256];
330 memset(tv, 0, sizeof(*tv));
332 c = kzalloc(sizeof(*c), GFP_KERNEL);
333 if (!c)
334 return;
336 strlcpy(c->name, "cx18 tveeprom tmp", sizeof(c->name));
337 c->adapter = &cx->i2c_adap[0];
338 c->addr = 0xa0 >> 1;
340 if (tveeprom_read(c, eedata, sizeof(eedata)))
341 goto ret;
343 switch (cx->card->type) {
344 case CX18_CARD_HVR_1600_ESMT:
345 case CX18_CARD_HVR_1600_SAMSUNG:
346 case CX18_CARD_HVR_1600_S5H1411:
347 tveeprom_hauppauge_analog(c, tv, eedata);
348 break;
349 case CX18_CARD_YUAN_MPC718:
350 case CX18_CARD_GOTVIEW_PCI_DVD3:
351 tv->model = 0x718;
352 cx18_eeprom_dump(cx, eedata, sizeof(eedata));
353 CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n",
354 eedata[2], eedata[1], eedata[4], eedata[3]);
355 break;
356 default:
357 tv->model = 0xffffffff;
358 cx18_eeprom_dump(cx, eedata, sizeof(eedata));
359 break;
362 ret:
363 kfree(c);
366 static void cx18_process_eeprom(struct cx18 *cx)
368 struct tveeprom tv;
370 cx18_read_eeprom(cx, &tv);
372 /* Many thanks to Steven Toth from Hauppauge for providing the
373 model numbers */
374 /* Note: the Samsung memory models cannot be reliably determined
375 from the model number. Use the cardtype module option if you
376 have one of these preproduction models. */
377 switch (tv.model) {
378 case 74301: /* Retail models */
379 case 74321:
380 case 74351: /* OEM models */
381 case 74361:
382 /* Digital side is s5h1411/tda18271 */
383 cx->card = cx18_get_card(CX18_CARD_HVR_1600_S5H1411);
384 break;
385 case 74021: /* Retail models */
386 case 74031:
387 case 74041:
388 case 74141:
389 case 74541: /* OEM models */
390 case 74551:
391 case 74591:
392 case 74651:
393 case 74691:
394 case 74751:
395 case 74891:
396 /* Digital side is s5h1409/mxl5005s */
397 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
398 break;
399 case 0x718:
400 return;
401 case 0xffffffff:
402 CX18_INFO("Unknown EEPROM encoding\n");
403 return;
404 case 0:
405 CX18_ERR("Invalid EEPROM\n");
406 return;
407 default:
408 CX18_ERR("Unknown model %d, defaulting to original HVR-1600 "
409 "(cardtype=1)\n", tv.model);
410 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
411 break;
414 cx->v4l2_cap = cx->card->v4l2_capabilities;
415 cx->card_name = cx->card->name;
416 cx->card_i2c = cx->card->i2c;
418 CX18_INFO("Autodetected %s\n", cx->card_name);
420 if (tv.tuner_type == TUNER_ABSENT)
421 CX18_ERR("tveeprom cannot autodetect tuner!\n");
423 if (cx->options.tuner == -1)
424 cx->options.tuner = tv.tuner_type;
425 if (cx->options.radio == -1)
426 cx->options.radio = (tv.has_radio != 0);
428 if (cx->std != 0)
429 /* user specified tuner standard */
430 return;
432 /* autodetect tuner standard */
433 #define TVEEPROM_TUNER_FORMAT_ALL (V4L2_STD_B | V4L2_STD_GH | \
434 V4L2_STD_MN | \
435 V4L2_STD_PAL_I | \
436 V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC | \
437 V4L2_STD_DK)
438 if ((tv.tuner_formats & TVEEPROM_TUNER_FORMAT_ALL)
439 == TVEEPROM_TUNER_FORMAT_ALL) {
440 CX18_DEBUG_INFO("Worldwide tuner detected\n");
441 cx->std = V4L2_STD_ALL;
442 } else if (tv.tuner_formats & V4L2_STD_PAL) {
443 CX18_DEBUG_INFO("PAL tuner detected\n");
444 cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
445 } else if (tv.tuner_formats & V4L2_STD_NTSC) {
446 CX18_DEBUG_INFO("NTSC tuner detected\n");
447 cx->std |= V4L2_STD_NTSC_M;
448 } else if (tv.tuner_formats & V4L2_STD_SECAM) {
449 CX18_DEBUG_INFO("SECAM tuner detected\n");
450 cx->std |= V4L2_STD_SECAM_L;
451 } else {
452 CX18_INFO("No tuner detected, default to NTSC-M\n");
453 cx->std |= V4L2_STD_NTSC_M;
457 static v4l2_std_id cx18_parse_std(struct cx18 *cx)
459 switch (pal[0]) {
460 case '6':
461 return V4L2_STD_PAL_60;
462 case 'b':
463 case 'B':
464 case 'g':
465 case 'G':
466 return V4L2_STD_PAL_BG;
467 case 'h':
468 case 'H':
469 return V4L2_STD_PAL_H;
470 case 'n':
471 case 'N':
472 if (pal[1] == 'c' || pal[1] == 'C')
473 return V4L2_STD_PAL_Nc;
474 return V4L2_STD_PAL_N;
475 case 'i':
476 case 'I':
477 return V4L2_STD_PAL_I;
478 case 'd':
479 case 'D':
480 case 'k':
481 case 'K':
482 return V4L2_STD_PAL_DK;
483 case 'M':
484 case 'm':
485 return V4L2_STD_PAL_M;
486 case '-':
487 break;
488 default:
489 CX18_WARN("pal= argument not recognised\n");
490 return 0;
493 switch (secam[0]) {
494 case 'b':
495 case 'B':
496 case 'g':
497 case 'G':
498 case 'h':
499 case 'H':
500 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
501 case 'd':
502 case 'D':
503 case 'k':
504 case 'K':
505 return V4L2_STD_SECAM_DK;
506 case 'l':
507 case 'L':
508 if (secam[1] == 'C' || secam[1] == 'c')
509 return V4L2_STD_SECAM_LC;
510 return V4L2_STD_SECAM_L;
511 case '-':
512 break;
513 default:
514 CX18_WARN("secam= argument not recognised\n");
515 return 0;
518 switch (ntsc[0]) {
519 case 'm':
520 case 'M':
521 return V4L2_STD_NTSC_M;
522 case 'j':
523 case 'J':
524 return V4L2_STD_NTSC_M_JP;
525 case 'k':
526 case 'K':
527 return V4L2_STD_NTSC_M_KR;
528 case '-':
529 break;
530 default:
531 CX18_WARN("ntsc= argument not recognised\n");
532 return 0;
535 /* no match found */
536 return 0;
539 static void cx18_process_options(struct cx18 *cx)
541 int i, j;
543 cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers;
544 cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
545 cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers;
546 cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;
547 cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;
548 cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
549 cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */
551 cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs;
552 cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs;
553 cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs;
554 cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs;
555 cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs;
556 cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs;
557 cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */
559 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize;
560 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize;
561 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize;
562 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize;
563 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_active_samples * 36;
564 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize;
565 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */
567 /* Ensure stream_buffers & stream_buf_size are valid */
568 for (i = 0; i < CX18_MAX_STREAMS; i++) {
569 if (cx->stream_buffers[i] == 0 || /* User said 0 buffers */
570 cx->options.megabytes[i] <= 0 || /* User said 0 MB total */
571 cx->stream_buf_size[i] <= 0) { /* User said buf size 0 */
572 cx->options.megabytes[i] = 0;
573 cx->stream_buffers[i] = 0;
574 cx->stream_buf_size[i] = 0;
575 continue;
578 * YUV is a special case where the stream_buf_size needs to be
579 * an integral multiple of 33.75 kB (storage for 32 screens
580 * lines to maintain alignment in case of lost buffers).
582 * IDX is a special case where the stream_buf_size should be
583 * an integral multiple of 1.5 kB (storage for 64 index entries
584 * to maintain alignment in case of lost buffers).
587 if (i == CX18_ENC_STREAM_TYPE_YUV) {
588 cx->stream_buf_size[i] *= 1024;
589 cx->stream_buf_size[i] -=
590 (cx->stream_buf_size[i] % CX18_UNIT_ENC_YUV_BUFSIZE);
592 if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE)
593 cx->stream_buf_size[i] =
594 CX18_UNIT_ENC_YUV_BUFSIZE;
595 } else if (i == CX18_ENC_STREAM_TYPE_IDX) {
596 cx->stream_buf_size[i] *= 1024;
597 cx->stream_buf_size[i] -=
598 (cx->stream_buf_size[i] % CX18_UNIT_ENC_IDX_BUFSIZE);
600 if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE)
601 cx->stream_buf_size[i] =
602 CX18_UNIT_ENC_IDX_BUFSIZE;
605 * YUV and IDX are special cases where the stream_buf_size is
606 * now in bytes.
607 * VBI is a special case where the stream_buf_size is fixed
608 * and already in bytes
610 if (i == CX18_ENC_STREAM_TYPE_VBI ||
611 i == CX18_ENC_STREAM_TYPE_YUV ||
612 i == CX18_ENC_STREAM_TYPE_IDX) {
613 if (cx->stream_buffers[i] < 0) {
614 cx->stream_buffers[i] =
615 cx->options.megabytes[i] * 1024 * 1024
616 / cx->stream_buf_size[i];
617 } else {
618 /* N.B. This might round down to 0 */
619 cx->options.megabytes[i] =
620 cx->stream_buffers[i]
621 * cx->stream_buf_size[i]/(1024 * 1024);
623 } else {
624 /* All other streams have stream_buf_size in kB here */
625 if (cx->stream_buffers[i] < 0) {
626 cx->stream_buffers[i] =
627 cx->options.megabytes[i] * 1024
628 / cx->stream_buf_size[i];
629 } else {
630 /* N.B. This might round down to 0 */
631 cx->options.megabytes[i] =
632 cx->stream_buffers[i]
633 * cx->stream_buf_size[i] / 1024;
635 /* convert from kB to bytes */
636 cx->stream_buf_size[i] *= 1024;
638 CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, "
639 "%d bytes\n", i, cx->options.megabytes[i],
640 cx->stream_buffers[i], cx->stream_buf_size[i]);
643 cx->options.cardtype = cardtype[cx->instance];
644 cx->options.tuner = tuner[cx->instance];
645 cx->options.radio = radio[cx->instance];
647 cx->std = cx18_parse_std(cx);
648 if (cx->options.cardtype == -1) {
649 CX18_INFO("Ignore card\n");
650 return;
652 cx->card = cx18_get_card(cx->options.cardtype - 1);
653 if (cx->card)
654 CX18_INFO("User specified %s card\n", cx->card->name);
655 else if (cx->options.cardtype != 0)
656 CX18_ERR("Unknown user specified type, trying to autodetect card\n");
657 if (cx->card == NULL) {
658 if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {
659 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
660 CX18_INFO("Autodetected Hauppauge card\n");
663 if (cx->card == NULL) {
664 for (i = 0; (cx->card = cx18_get_card(i)); i++) {
665 if (cx->card->pci_list == NULL)
666 continue;
667 for (j = 0; cx->card->pci_list[j].device; j++) {
668 if (cx->pci_dev->device !=
669 cx->card->pci_list[j].device)
670 continue;
671 if (cx->pci_dev->subsystem_vendor !=
672 cx->card->pci_list[j].subsystem_vendor)
673 continue;
674 if (cx->pci_dev->subsystem_device !=
675 cx->card->pci_list[j].subsystem_device)
676 continue;
677 CX18_INFO("Autodetected %s card\n", cx->card->name);
678 goto done;
682 done:
684 if (cx->card == NULL) {
685 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
686 CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
687 cx->pci_dev->vendor, cx->pci_dev->device);
688 CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n",
689 cx->pci_dev->subsystem_vendor,
690 cx->pci_dev->subsystem_device);
691 CX18_ERR("Defaulting to %s card\n", cx->card->name);
692 CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
693 CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
694 CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n");
696 cx->v4l2_cap = cx->card->v4l2_capabilities;
697 cx->card_name = cx->card->name;
698 cx->card_i2c = cx->card->i2c;
701 static int cx18_create_in_workq(struct cx18 *cx)
703 snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in",
704 cx->v4l2_dev.name);
705 cx->in_work_queue = alloc_ordered_workqueue("%s", 0, cx->in_workq_name);
706 if (cx->in_work_queue == NULL) {
707 CX18_ERR("Unable to create incoming mailbox handler thread\n");
708 return -ENOMEM;
710 return 0;
713 static void cx18_init_in_work_orders(struct cx18 *cx)
715 int i;
716 for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) {
717 cx->in_work_order[i].cx = cx;
718 cx->in_work_order[i].str = cx->epu_debug_str;
719 INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler);
723 /* Precondition: the cx18 structure has been memset to 0. Only
724 the dev and instance fields have been filled in.
725 No assumptions on the card type may be made here (see cx18_init_struct2
726 for that).
728 static int cx18_init_struct1(struct cx18 *cx)
730 int ret;
732 cx->base_addr = pci_resource_start(cx->pci_dev, 0);
734 mutex_init(&cx->serialize_lock);
735 mutex_init(&cx->gpio_lock);
736 mutex_init(&cx->epu2apu_mb_lock);
737 mutex_init(&cx->epu2cpu_mb_lock);
739 ret = cx18_create_in_workq(cx);
740 if (ret)
741 return ret;
743 cx18_init_in_work_orders(cx);
745 /* start counting open_id at 1 */
746 cx->open_id = 1;
748 /* Initial settings */
749 cx->cxhdl.port = CX2341X_PORT_MEMORY;
750 cx->cxhdl.capabilities = CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI;
751 cx->cxhdl.ops = &cx18_cxhdl_ops;
752 cx->cxhdl.func = cx18_api_func;
753 cx->cxhdl.priv = &cx->streams[CX18_ENC_STREAM_TYPE_MPG];
754 ret = cx2341x_handler_init(&cx->cxhdl, 50);
755 if (ret)
756 return ret;
757 cx->v4l2_dev.ctrl_handler = &cx->cxhdl.hdl;
759 cx->temporal_strength = cx->cxhdl.video_temporal_filter->cur.val;
760 cx->spatial_strength = cx->cxhdl.video_spatial_filter->cur.val;
761 cx->filter_mode = cx->cxhdl.video_spatial_filter_mode->cur.val |
762 (cx->cxhdl.video_temporal_filter_mode->cur.val << 1) |
763 (cx->cxhdl.video_median_filter_type->cur.val << 2);
765 init_waitqueue_head(&cx->cap_w);
766 init_waitqueue_head(&cx->mb_apu_waitq);
767 init_waitqueue_head(&cx->mb_cpu_waitq);
768 init_waitqueue_head(&cx->dma_waitq);
770 /* VBI */
771 cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
772 cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
774 /* IVTV style VBI insertion into MPEG streams */
775 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_buf.list);
776 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.list);
777 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.buf_list);
778 list_add(&cx->vbi.sliced_mpeg_buf.list,
779 &cx->vbi.sliced_mpeg_mdl.buf_list);
780 return 0;
783 /* Second initialization part. Here the card type has been
784 autodetected. */
785 static void cx18_init_struct2(struct cx18 *cx)
787 int i;
789 for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++)
790 if (cx->card->video_inputs[i].video_type == 0)
791 break;
792 cx->nof_inputs = i;
793 for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++)
794 if (cx->card->audio_inputs[i].audio_type == 0)
795 break;
796 cx->nof_audio_inputs = i;
798 /* Find tuner input */
799 for (i = 0; i < cx->nof_inputs; i++) {
800 if (cx->card->video_inputs[i].video_type ==
801 CX18_CARD_INPUT_VID_TUNER)
802 break;
804 if (i == cx->nof_inputs)
805 i = 0;
806 cx->active_input = i;
807 cx->audio_input = cx->card->video_inputs[i].audio_index;
810 static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
811 const struct pci_device_id *pci_id)
813 u16 cmd;
814 unsigned char pci_latency;
816 CX18_DEBUG_INFO("Enabling pci device\n");
818 if (pci_enable_device(pci_dev)) {
819 CX18_ERR("Can't enable device %d!\n", cx->instance);
820 return -EIO;
822 if (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) {
823 CX18_ERR("No suitable DMA available, card %d\n", cx->instance);
824 return -EIO;
826 if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) {
827 CX18_ERR("Cannot request encoder memory region, card %d\n",
828 cx->instance);
829 return -EIO;
832 /* Enable bus mastering and memory mapped IO for the CX23418 */
833 pci_read_config_word(pci_dev, PCI_COMMAND, &cmd);
834 cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
835 pci_write_config_word(pci_dev, PCI_COMMAND, cmd);
837 cx->card_rev = pci_dev->revision;
838 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
840 if (pci_latency < 64 && cx18_pci_latency) {
841 CX18_INFO("Unreasonably low latency timer, "
842 "setting to 64 (was %d)\n", pci_latency);
843 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64);
844 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
847 CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, "
848 "irq: %d, latency: %d, memory: 0x%llx\n",
849 cx->pci_dev->device, cx->card_rev, pci_dev->bus->number,
850 PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn),
851 cx->pci_dev->irq, pci_latency, (u64)cx->base_addr);
853 return 0;
856 static void cx18_init_subdevs(struct cx18 *cx)
858 u32 hw = cx->card->hw_all;
859 u32 device;
860 int i;
862 for (i = 0, device = 1; i < 32; i++, device <<= 1) {
864 if (!(device & hw))
865 continue;
867 switch (device) {
868 case CX18_HW_DVB:
869 case CX18_HW_TVEEPROM:
870 /* These subordinate devices do not use probing */
871 cx->hw_flags |= device;
872 break;
873 case CX18_HW_418_AV:
874 /* The A/V decoder gets probed earlier to set PLLs */
875 /* Just note that the card uses it (i.e. has analog) */
876 cx->hw_flags |= device;
877 break;
878 case CX18_HW_GPIO_RESET_CTRL:
880 * The Reset Controller gets probed and added to
881 * hw_flags earlier for i2c adapter/bus initialization
883 break;
884 case CX18_HW_GPIO_MUX:
885 if (cx18_gpio_register(cx, device) == 0)
886 cx->hw_flags |= device;
887 break;
888 default:
889 if (cx18_i2c_register(cx, i) == 0)
890 cx->hw_flags |= device;
891 break;
895 if (cx->hw_flags & CX18_HW_418_AV)
896 cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV);
898 if (cx->card->hw_muxer != 0)
899 cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer);
902 static int cx18_probe(struct pci_dev *pci_dev,
903 const struct pci_device_id *pci_id)
905 int retval = 0;
906 int i;
907 u32 devtype;
908 struct cx18 *cx;
910 /* FIXME - module parameter arrays constrain max instances */
911 i = atomic_inc_return(&cx18_instance) - 1;
912 if (i >= CX18_MAX_CARDS) {
913 printk(KERN_ERR "cx18: cannot manage card %d, driver has a "
914 "limit of 0 - %d\n", i, CX18_MAX_CARDS - 1);
915 return -ENOMEM;
918 cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
919 if (cx == NULL) {
920 printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n",
922 return -ENOMEM;
924 cx->pci_dev = pci_dev;
925 cx->instance = i;
927 retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev);
928 if (retval) {
929 printk(KERN_ERR "cx18: v4l2_device_register of card %d failed"
930 "\n", cx->instance);
931 kfree(cx);
932 return retval;
934 snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d",
935 cx->instance);
936 CX18_INFO("Initializing card %d\n", cx->instance);
938 cx18_process_options(cx);
939 if (cx->options.cardtype == -1) {
940 retval = -ENODEV;
941 goto err;
944 retval = cx18_init_struct1(cx);
945 if (retval)
946 goto err;
948 CX18_DEBUG_INFO("base addr: 0x%llx\n", (u64)cx->base_addr);
950 /* PCI Device Setup */
951 retval = cx18_setup_pci(cx, pci_dev, pci_id);
952 if (retval != 0)
953 goto free_workqueues;
955 /* map io memory */
956 CX18_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
957 (u64)cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
958 cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
959 CX18_MEM_SIZE);
960 if (!cx->enc_mem) {
961 CX18_ERR("ioremap failed. Can't get a window into CX23418 "
962 "memory and register space\n");
963 CX18_ERR("Each capture card with a CX23418 needs 64 MB of "
964 "vmalloc address space for the window\n");
965 CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
966 CX18_ERR("Use the vmalloc= kernel command line option to set "
967 "VmallocTotal to a larger value\n");
968 retval = -ENOMEM;
969 goto free_mem;
971 cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
972 devtype = cx18_read_reg(cx, 0xC72028);
973 switch (devtype & 0xff000000) {
974 case 0xff000000:
975 CX18_INFO("cx23418 revision %08x (A)\n", devtype);
976 break;
977 case 0x01000000:
978 CX18_INFO("cx23418 revision %08x (B)\n", devtype);
979 break;
980 default:
981 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
982 break;
985 cx18_init_power(cx, 1);
986 cx18_init_memory(cx);
988 cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
989 cx18_init_scb(cx);
991 cx18_gpio_init(cx);
993 /* Initialize integrated A/V decoder early to set PLLs, just in case */
994 retval = cx18_av_probe(cx);
995 if (retval) {
996 CX18_ERR("Could not register A/V decoder subdevice\n");
997 goto free_map;
1000 /* Initialize GPIO Reset Controller to do chip resets during i2c init */
1001 if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) {
1002 if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0)
1003 CX18_WARN("Could not register GPIO reset controller"
1004 "subdevice; proceeding anyway.\n");
1005 else
1006 cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL;
1009 /* active i2c */
1010 CX18_DEBUG_INFO("activating i2c...\n");
1011 retval = init_cx18_i2c(cx);
1012 if (retval) {
1013 CX18_ERR("Could not initialize i2c\n");
1014 goto free_map;
1017 if (cx->card->hw_all & CX18_HW_TVEEPROM) {
1018 /* Based on the model number the cardtype may be changed.
1019 The PCI IDs are not always reliable. */
1020 const struct cx18_card *orig_card = cx->card;
1021 cx18_process_eeprom(cx);
1023 if (cx->card != orig_card) {
1024 /* Changed the cardtype; re-reset the I2C chips */
1025 cx18_gpio_init(cx);
1026 cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL,
1027 core, reset, (u32) CX18_GPIO_RESET_I2C);
1030 if (cx->card->comment)
1031 CX18_INFO("%s", cx->card->comment);
1032 if (cx->card->v4l2_capabilities == 0) {
1033 retval = -ENODEV;
1034 goto free_i2c;
1036 cx18_init_memory(cx);
1037 cx18_init_scb(cx);
1039 /* Register IRQ */
1040 retval = request_irq(cx->pci_dev->irq, cx18_irq_handler,
1041 IRQF_SHARED | IRQF_DISABLED,
1042 cx->v4l2_dev.name, (void *)cx);
1043 if (retval) {
1044 CX18_ERR("Failed to register irq %d\n", retval);
1045 goto free_i2c;
1048 if (cx->std == 0)
1049 cx->std = V4L2_STD_NTSC_M;
1051 if (cx->options.tuner == -1) {
1052 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
1053 if ((cx->std & cx->card->tuners[i].std) == 0)
1054 continue;
1055 cx->options.tuner = cx->card->tuners[i].tuner;
1056 break;
1059 /* if no tuner was found, then pick the first tuner in the card list */
1060 if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
1061 cx->std = cx->card->tuners[0].std;
1062 if (cx->std & V4L2_STD_PAL)
1063 cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1064 else if (cx->std & V4L2_STD_NTSC)
1065 cx->std = V4L2_STD_NTSC_M;
1066 else if (cx->std & V4L2_STD_SECAM)
1067 cx->std = V4L2_STD_SECAM_L;
1068 cx->options.tuner = cx->card->tuners[0].tuner;
1070 if (cx->options.radio == -1)
1071 cx->options.radio = (cx->card->radio_input.audio_type != 0);
1073 /* The card is now fully identified, continue with card-specific
1074 initialization. */
1075 cx18_init_struct2(cx);
1077 cx18_init_subdevs(cx);
1079 if (cx->std & V4L2_STD_525_60)
1080 cx->is_60hz = 1;
1081 else
1082 cx->is_50hz = 1;
1084 cx2341x_handler_set_50hz(&cx->cxhdl, !cx->is_60hz);
1086 if (cx->options.radio > 0)
1087 cx->v4l2_cap |= V4L2_CAP_RADIO;
1089 if (cx->options.tuner > -1) {
1090 struct tuner_setup setup;
1092 setup.addr = ADDR_UNSET;
1093 setup.type = cx->options.tuner;
1094 setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */
1095 setup.config = NULL;
1096 if (cx->options.radio > 0)
1097 setup.mode_mask |= T_RADIO;
1098 setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1099 cx18_reset_tuner_gpio : NULL;
1100 cx18_call_all(cx, tuner, s_type_addr, &setup);
1101 if (setup.type == TUNER_XC2028) {
1102 static struct xc2028_ctrl ctrl = {
1103 .fname = XC2028_DEFAULT_FIRMWARE,
1104 .max_len = 64,
1106 struct v4l2_priv_tun_config cfg = {
1107 .tuner = cx->options.tuner,
1108 .priv = &ctrl,
1110 cx18_call_all(cx, tuner, s_config, &cfg);
1114 /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1115 are not. */
1116 cx->tuner_std = cx->std;
1117 if (cx->std == V4L2_STD_ALL)
1118 cx->std = V4L2_STD_NTSC_M;
1120 retval = cx18_streams_setup(cx);
1121 if (retval) {
1122 CX18_ERR("Error %d setting up streams\n", retval);
1123 goto free_irq;
1125 retval = cx18_streams_register(cx);
1126 if (retval) {
1127 CX18_ERR("Error %d registering devices\n", retval);
1128 goto free_streams;
1131 CX18_INFO("Initialized card: %s\n", cx->card_name);
1133 /* Load cx18 submodules (cx18-alsa) */
1134 request_modules(cx);
1135 return 0;
1137 free_streams:
1138 cx18_streams_cleanup(cx, 1);
1139 free_irq:
1140 free_irq(cx->pci_dev->irq, (void *)cx);
1141 free_i2c:
1142 exit_cx18_i2c(cx);
1143 free_map:
1144 cx18_iounmap(cx);
1145 free_mem:
1146 release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1147 free_workqueues:
1148 destroy_workqueue(cx->in_work_queue);
1149 err:
1150 if (retval == 0)
1151 retval = -ENODEV;
1152 CX18_ERR("Error %d on initialization\n", retval);
1154 v4l2_device_unregister(&cx->v4l2_dev);
1155 kfree(cx);
1156 return retval;
1159 int cx18_init_on_first_open(struct cx18 *cx)
1161 int video_input;
1162 int fw_retry_count = 3;
1163 struct v4l2_frequency vf;
1164 struct cx18_open_id fh;
1165 v4l2_std_id std;
1167 fh.cx = cx;
1169 if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
1170 return -ENXIO;
1172 if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
1173 return 0;
1175 while (--fw_retry_count > 0) {
1176 /* load firmware */
1177 if (cx18_firmware_init(cx) == 0)
1178 break;
1179 if (fw_retry_count > 1)
1180 CX18_WARN("Retry loading firmware\n");
1183 if (fw_retry_count == 0) {
1184 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1185 return -ENXIO;
1187 set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
1190 * Init the firmware twice to work around a silicon bug
1191 * with the digital TS.
1193 * The second firmware load requires us to normalize the APU state,
1194 * or the audio for the first analog capture will be badly incorrect.
1196 * I can't seem to call APU_RESETAI and have it succeed without the
1197 * APU capturing audio, so we start and stop it here to do the reset
1200 /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1201 cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1202 cx18_vapi(cx, CX18_APU_RESETAI, 0);
1203 cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1205 fw_retry_count = 3;
1206 while (--fw_retry_count > 0) {
1207 /* load firmware */
1208 if (cx18_firmware_init(cx) == 0)
1209 break;
1210 if (fw_retry_count > 1)
1211 CX18_WARN("Retry loading firmware\n");
1214 if (fw_retry_count == 0) {
1215 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1216 return -ENXIO;
1220 * The second firmware load requires us to normalize the APU state,
1221 * or the audio for the first analog capture will be badly incorrect.
1223 * I can't seem to call APU_RESETAI and have it succeed without the
1224 * APU capturing audio, so we start and stop it here to do the reset
1227 /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1228 cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1229 cx18_vapi(cx, CX18_APU_RESETAI, 0);
1230 cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1232 /* Init the A/V decoder, if it hasn't been already */
1233 v4l2_subdev_call(cx->sd_av, core, load_fw);
1235 vf.tuner = 0;
1236 vf.type = V4L2_TUNER_ANALOG_TV;
1237 vf.frequency = 6400; /* the tuner 'baseline' frequency */
1239 /* Set initial frequency. For PAL/SECAM broadcasts no
1240 'default' channel exists AFAIK. */
1241 if (cx->std == V4L2_STD_NTSC_M_JP)
1242 vf.frequency = 1460; /* ch. 1 91250*16/1000 */
1243 else if (cx->std & V4L2_STD_NTSC_M)
1244 vf.frequency = 1076; /* ch. 4 67250*16/1000 */
1246 video_input = cx->active_input;
1247 cx->active_input++; /* Force update of input */
1248 cx18_s_input(NULL, &fh, video_input);
1250 /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1251 in one place. */
1252 cx->std++; /* Force full standard initialization */
1253 std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std;
1254 cx18_s_std(NULL, &fh, std);
1255 cx18_s_frequency(NULL, &fh, &vf);
1256 return 0;
1259 static void cx18_cancel_in_work_orders(struct cx18 *cx)
1261 int i;
1262 for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++)
1263 cancel_work_sync(&cx->in_work_order[i].work);
1266 static void cx18_cancel_out_work_orders(struct cx18 *cx)
1268 int i;
1269 for (i = 0; i < CX18_MAX_STREAMS; i++)
1270 if (&cx->streams[i].video_dev != NULL)
1271 cancel_work_sync(&cx->streams[i].out_work_order);
1274 static void cx18_remove(struct pci_dev *pci_dev)
1276 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1277 struct cx18 *cx = to_cx18(v4l2_dev);
1278 int i;
1280 CX18_DEBUG_INFO("Removing Card\n");
1282 flush_request_modules(cx);
1284 /* Stop all captures */
1285 CX18_DEBUG_INFO("Stopping all streams\n");
1286 if (atomic_read(&cx->tot_capturing) > 0)
1287 cx18_stop_all_captures(cx);
1289 /* Stop interrupts that cause incoming work to be queued */
1290 cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
1292 /* Incoming work can cause outgoing work, so clean up incoming first */
1293 cx18_cancel_in_work_orders(cx);
1294 cx18_cancel_out_work_orders(cx);
1296 /* Stop ack interrupts that may have been needed for work to finish */
1297 cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
1299 cx18_halt_firmware(cx);
1301 destroy_workqueue(cx->in_work_queue);
1303 cx18_streams_cleanup(cx, 1);
1305 exit_cx18_i2c(cx);
1307 free_irq(cx->pci_dev->irq, (void *)cx);
1309 cx18_iounmap(cx);
1311 release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1313 pci_disable_device(cx->pci_dev);
1315 if (cx->vbi.sliced_mpeg_data[0] != NULL)
1316 for (i = 0; i < CX18_VBI_FRAMES; i++)
1317 kfree(cx->vbi.sliced_mpeg_data[i]);
1319 v4l2_ctrl_handler_free(&cx->av_state.hdl);
1321 CX18_INFO("Removed %s\n", cx->card_name);
1323 v4l2_device_unregister(v4l2_dev);
1324 kfree(cx);
1328 /* define a pci_driver for card detection */
1329 static struct pci_driver cx18_pci_driver = {
1330 .name = "cx18",
1331 .id_table = cx18_pci_tbl,
1332 .probe = cx18_probe,
1333 .remove = cx18_remove,
1336 static int __init module_start(void)
1338 printk(KERN_INFO "cx18: Start initialization, version %s\n",
1339 CX18_VERSION);
1341 /* Validate parameters */
1342 if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
1343 printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n",
1344 CX18_MAX_CARDS - 1);
1345 return -1;
1348 if (cx18_debug < 0 || cx18_debug > 511) {
1349 cx18_debug = 0;
1350 printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n");
1353 if (pci_register_driver(&cx18_pci_driver)) {
1354 printk(KERN_ERR "cx18: Error detecting PCI card\n");
1355 return -ENODEV;
1357 printk(KERN_INFO "cx18: End initialization\n");
1358 return 0;
1361 static void __exit module_cleanup(void)
1363 pci_unregister_driver(&cx18_pci_driver);
1366 module_init(module_start);
1367 module_exit(module_cleanup);
1368 MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE);