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Merge branch 'for-linus' of git://git.infradead.org/users/sameo/mfd-2.6
[linux-btrfs-devel.git] / drivers / media / video / cx18 / cx18-driver.c
blob9e2f870f4258665ae6093c762f752d45147a8c98
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 * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
8 *
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.
13 *
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.
18 *
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
23 */
24
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
42 #include <media/tveeprom.h>
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 /* Callback for registering extensions */
52 int (*cx18_ext_init)(struct cx18 *);
53 EXPORT_SYMBOL(cx18_ext_init);
54
55 /* add your revision and whatnot here */
56 static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
57 {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
58 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
59 {0,}
60 };
61
62 MODULE_DEVICE_TABLE(pci, cx18_pci_tbl);
63
64 static atomic_t cx18_instance = ATOMIC_INIT(0);
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 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[] = "-";
82
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;
90
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;
96
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;
103
104
105 static int cx18_pci_latency = 1;
106
107 static int mmio_ndelay;
108 static int retry_mmio = 1;
109
110 int cx18_debug;
111
112 module_param_array(tuner, int, &tuner_c, 0644);
113 module_param_array(radio, bool, &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);
123
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);
130
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);
136
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);
143
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");
243
244 MODULE_PARM_DESC(cx18_first_minor,
245 "Set device node number assigned to first card");
246
247 MODULE_AUTHOR("Hans Verkuil");
248 MODULE_DESCRIPTION("CX23418 driver");
249 MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder");
250 MODULE_LICENSE("GPL");
251
252 MODULE_VERSION(CX18_VERSION);
253
254 #if defined(CONFIG_MODULES) && defined(MODULE)
255 static void request_module_async(struct work_struct *work)
256 {
257 struct cx18 *dev = container_of(work, struct cx18, request_module_wk);
258
259 /* Make sure cx18-alsa module is loaded */
260 request_module("cx18-alsa");
261
262 /* Initialize cx18-alsa for this instance of the cx18 device */
263 if (cx18_ext_init != NULL)
264 cx18_ext_init(dev);
265 }
266
267 static void request_modules(struct cx18 *dev)
268 {
269 INIT_WORK(&dev->request_module_wk, request_module_async);
270 schedule_work(&dev->request_module_wk);
271 }
272
273 static void flush_request_modules(struct cx18 *dev)
274 {
275 flush_work_sync(&dev->request_module_wk);
276 }
277 #else
278 #define request_modules(dev)
279 #define flush_request_modules(dev)
280 #endif /* CONFIG_MODULES */
281
282 /* Generic utility functions */
283 int cx18_msleep_timeout(unsigned int msecs, int intr)
284 {
285 long int timeout = msecs_to_jiffies(msecs);
286 int sig;
287
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;
294 }
295
296 /* Release ioremapped memory */
297 static void cx18_iounmap(struct cx18 *cx)
298 {
299 if (cx == NULL)
300 return;
301
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;
307 }
308 }
309
310 static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len)
311 {
312 int i;
313
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");
321 }
322 }
323
324 /* Hauppauge card? get values from tveeprom */
325 void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
326 {
327 struct i2c_client c;
328 u8 eedata[256];
329
330 memset(&c, 0, sizeof(c));
331 strlcpy(c.name, "cx18 tveeprom tmp", sizeof(c.name));
332 c.adapter = &cx->i2c_adap[0];
333 c.addr = 0xA0 >> 1;
334
335 memset(tv, 0, sizeof(*tv));
336 if (tveeprom_read(&c, eedata, sizeof(eedata)))
337 return;
338
339 switch (cx->card->type) {
340 case CX18_CARD_HVR_1600_ESMT:
341 case CX18_CARD_HVR_1600_SAMSUNG:
342 case CX18_CARD_HVR_1600_S5H1411:
343 tveeprom_hauppauge_analog(&c, tv, eedata);
344 break;
345 case CX18_CARD_YUAN_MPC718:
346 case CX18_CARD_GOTVIEW_PCI_DVD3:
347 tv->model = 0x718;
348 cx18_eeprom_dump(cx, eedata, sizeof(eedata));
349 CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n",
350 eedata[2], eedata[1], eedata[4], eedata[3]);
351 break;
352 default:
353 tv->model = 0xffffffff;
354 cx18_eeprom_dump(cx, eedata, sizeof(eedata));
355 break;
356 }
357 }
358
359 static void cx18_process_eeprom(struct cx18 *cx)
360 {
361 struct tveeprom tv;
362
363 cx18_read_eeprom(cx, &tv);
364
365 /* Many thanks to Steven Toth from Hauppauge for providing the
366 model numbers */
367 /* Note: the Samsung memory models cannot be reliably determined
368 from the model number. Use the cardtype module option if you
369 have one of these preproduction models. */
370 switch (tv.model) {
371 case 74301: /* Retail models */
372 case 74321:
373 case 74351: /* OEM models */
374 case 74361:
375 /* Digital side is s5h1411/tda18271 */
376 cx->card = cx18_get_card(CX18_CARD_HVR_1600_S5H1411);
377 break;
378 case 74021: /* Retail models */
379 case 74031:
380 case 74041:
381 case 74141:
382 case 74541: /* OEM models */
383 case 74551:
384 case 74591:
385 case 74651:
386 case 74691:
387 case 74751:
388 case 74891:
389 /* Digital side is s5h1409/mxl5005s */
390 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
391 break;
392 case 0x718:
393 return;
394 case 0xffffffff:
395 CX18_INFO("Unknown EEPROM encoding\n");
396 return;
397 case 0:
398 CX18_ERR("Invalid EEPROM\n");
399 return;
400 default:
401 CX18_ERR("Unknown model %d, defaulting to original HVR-1600 "
402 "(cardtype=1)\n", tv.model);
403 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
404 break;
405 }
406
407 cx->v4l2_cap = cx->card->v4l2_capabilities;
408 cx->card_name = cx->card->name;
409 cx->card_i2c = cx->card->i2c;
410
411 CX18_INFO("Autodetected %s\n", cx->card_name);
412
413 if (tv.tuner_type == TUNER_ABSENT)
414 CX18_ERR("tveeprom cannot autodetect tuner!\n");
415
416 if (cx->options.tuner == -1)
417 cx->options.tuner = tv.tuner_type;
418 if (cx->options.radio == -1)
419 cx->options.radio = (tv.has_radio != 0);
420
421 if (cx->std != 0)
422 /* user specified tuner standard */
423 return;
424
425 /* autodetect tuner standard */
426 #define TVEEPROM_TUNER_FORMAT_ALL (V4L2_STD_B | V4L2_STD_GH | \
427 V4L2_STD_MN | \
428 V4L2_STD_PAL_I | \
429 V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC | \
430 V4L2_STD_DK)
431 if ((tv.tuner_formats & TVEEPROM_TUNER_FORMAT_ALL)
432 == TVEEPROM_TUNER_FORMAT_ALL) {
433 CX18_DEBUG_INFO("Worldwide tuner detected\n");
434 cx->std = V4L2_STD_ALL;
435 } else if (tv.tuner_formats & V4L2_STD_PAL) {
436 CX18_DEBUG_INFO("PAL tuner detected\n");
437 cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
438 } else if (tv.tuner_formats & V4L2_STD_NTSC) {
439 CX18_DEBUG_INFO("NTSC tuner detected\n");
440 cx->std |= V4L2_STD_NTSC_M;
441 } else if (tv.tuner_formats & V4L2_STD_SECAM) {
442 CX18_DEBUG_INFO("SECAM tuner detected\n");
443 cx->std |= V4L2_STD_SECAM_L;
444 } else {
445 CX18_INFO("No tuner detected, default to NTSC-M\n");
446 cx->std |= V4L2_STD_NTSC_M;
447 }
448 }
449
450 static v4l2_std_id cx18_parse_std(struct cx18 *cx)
451 {
452 switch (pal[0]) {
453 case '6':
454 return V4L2_STD_PAL_60;
455 case 'b':
456 case 'B':
457 case 'g':
458 case 'G':
459 return V4L2_STD_PAL_BG;
460 case 'h':
461 case 'H':
462 return V4L2_STD_PAL_H;
463 case 'n':
464 case 'N':
465 if (pal[1] == 'c' || pal[1] == 'C')
466 return V4L2_STD_PAL_Nc;
467 return V4L2_STD_PAL_N;
468 case 'i':
469 case 'I':
470 return V4L2_STD_PAL_I;
471 case 'd':
472 case 'D':
473 case 'k':
474 case 'K':
475 return V4L2_STD_PAL_DK;
476 case 'M':
477 case 'm':
478 return V4L2_STD_PAL_M;
479 case '-':
480 break;
481 default:
482 CX18_WARN("pal= argument not recognised\n");
483 return 0;
484 }
485
486 switch (secam[0]) {
487 case 'b':
488 case 'B':
489 case 'g':
490 case 'G':
491 case 'h':
492 case 'H':
493 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
494 case 'd':
495 case 'D':
496 case 'k':
497 case 'K':
498 return V4L2_STD_SECAM_DK;
499 case 'l':
500 case 'L':
501 if (secam[1] == 'C' || secam[1] == 'c')
502 return V4L2_STD_SECAM_LC;
503 return V4L2_STD_SECAM_L;
504 case '-':
505 break;
506 default:
507 CX18_WARN("secam= argument not recognised\n");
508 return 0;
509 }
510
511 switch (ntsc[0]) {
512 case 'm':
513 case 'M':
514 return V4L2_STD_NTSC_M;
515 case 'j':
516 case 'J':
517 return V4L2_STD_NTSC_M_JP;
518 case 'k':
519 case 'K':
520 return V4L2_STD_NTSC_M_KR;
521 case '-':
522 break;
523 default:
524 CX18_WARN("ntsc= argument not recognised\n");
525 return 0;
526 }
527
528 /* no match found */
529 return 0;
530 }
531
532 static void cx18_process_options(struct cx18 *cx)
533 {
534 int i, j;
535
536 cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers;
537 cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
538 cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers;
539 cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;
540 cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;
541 cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
542 cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */
543
544 cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs;
545 cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs;
546 cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs;
547 cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs;
548 cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs;
549 cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs;
550 cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */
551
552 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize;
553 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize;
554 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize;
555 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize;
556 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_active_samples * 36;
557 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize;
558 cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */
559
560 /* Ensure stream_buffers & stream_buf_size are valid */
561 for (i = 0; i < CX18_MAX_STREAMS; i++) {
562 if (cx->stream_buffers[i] == 0 || /* User said 0 buffers */
563 cx->options.megabytes[i] <= 0 || /* User said 0 MB total */
564 cx->stream_buf_size[i] <= 0) { /* User said buf size 0 */
565 cx->options.megabytes[i] = 0;
566 cx->stream_buffers[i] = 0;
567 cx->stream_buf_size[i] = 0;
568 continue;
569 }
570 /*
571 * YUV is a special case where the stream_buf_size needs to be
572 * an integral multiple of 33.75 kB (storage for 32 screens
573 * lines to maintain alignment in case of lost buffers).
574 *
575 * IDX is a special case where the stream_buf_size should be
576 * an integral multiple of 1.5 kB (storage for 64 index entries
577 * to maintain alignment in case of lost buffers).
578 *
579 */
580 if (i == CX18_ENC_STREAM_TYPE_YUV) {
581 cx->stream_buf_size[i] *= 1024;
582 cx->stream_buf_size[i] -=
583 (cx->stream_buf_size[i] % CX18_UNIT_ENC_YUV_BUFSIZE);
584
585 if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE)
586 cx->stream_buf_size[i] =
587 CX18_UNIT_ENC_YUV_BUFSIZE;
588 } else if (i == CX18_ENC_STREAM_TYPE_IDX) {
589 cx->stream_buf_size[i] *= 1024;
590 cx->stream_buf_size[i] -=
591 (cx->stream_buf_size[i] % CX18_UNIT_ENC_IDX_BUFSIZE);
592
593 if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE)
594 cx->stream_buf_size[i] =
595 CX18_UNIT_ENC_IDX_BUFSIZE;
596 }
597 /*
598 * YUV and IDX are special cases where the stream_buf_size is
599 * now in bytes.
600 * VBI is a special case where the stream_buf_size is fixed
601 * and already in bytes
602 */
603 if (i == CX18_ENC_STREAM_TYPE_VBI ||
604 i == CX18_ENC_STREAM_TYPE_YUV ||
605 i == CX18_ENC_STREAM_TYPE_IDX) {
606 if (cx->stream_buffers[i] < 0) {
607 cx->stream_buffers[i] =
608 cx->options.megabytes[i] * 1024 * 1024
609 / cx->stream_buf_size[i];
610 } else {
611 /* N.B. This might round down to 0 */
612 cx->options.megabytes[i] =
613 cx->stream_buffers[i]
614 * cx->stream_buf_size[i]/(1024 * 1024);
615 }
616 } else {
617 /* All other streams have stream_buf_size in kB here */
618 if (cx->stream_buffers[i] < 0) {
619 cx->stream_buffers[i] =
620 cx->options.megabytes[i] * 1024
621 / cx->stream_buf_size[i];
622 } else {
623 /* N.B. This might round down to 0 */
624 cx->options.megabytes[i] =
625 cx->stream_buffers[i]
626 * cx->stream_buf_size[i] / 1024;
627 }
628 /* convert from kB to bytes */
629 cx->stream_buf_size[i] *= 1024;
630 }
631 CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, "
632 "%d bytes\n", i, cx->options.megabytes[i],
633 cx->stream_buffers[i], cx->stream_buf_size[i]);
634 }
635
636 cx->options.cardtype = cardtype[cx->instance];
637 cx->options.tuner = tuner[cx->instance];
638 cx->options.radio = radio[cx->instance];
639
640 cx->std = cx18_parse_std(cx);
641 if (cx->options.cardtype == -1) {
642 CX18_INFO("Ignore card\n");
643 return;
644 }
645 cx->card = cx18_get_card(cx->options.cardtype - 1);
646 if (cx->card)
647 CX18_INFO("User specified %s card\n", cx->card->name);
648 else if (cx->options.cardtype != 0)
649 CX18_ERR("Unknown user specified type, trying to autodetect card\n");
650 if (cx->card == NULL) {
651 if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {
652 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
653 CX18_INFO("Autodetected Hauppauge card\n");
654 }
655 }
656 if (cx->card == NULL) {
657 for (i = 0; (cx->card = cx18_get_card(i)); i++) {
658 if (cx->card->pci_list == NULL)
659 continue;
660 for (j = 0; cx->card->pci_list[j].device; j++) {
661 if (cx->pci_dev->device !=
662 cx->card->pci_list[j].device)
663 continue;
664 if (cx->pci_dev->subsystem_vendor !=
665 cx->card->pci_list[j].subsystem_vendor)
666 continue;
667 if (cx->pci_dev->subsystem_device !=
668 cx->card->pci_list[j].subsystem_device)
669 continue;
670 CX18_INFO("Autodetected %s card\n", cx->card->name);
671 goto done;
672 }
673 }
674 }
675 done:
676
677 if (cx->card == NULL) {
678 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
679 CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
680 cx->pci_dev->vendor, cx->pci_dev->device);
681 CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n",
682 cx->pci_dev->subsystem_vendor,
683 cx->pci_dev->subsystem_device);
684 CX18_ERR("Defaulting to %s card\n", cx->card->name);
685 CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
686 CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
687 CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n");
688 }
689 cx->v4l2_cap = cx->card->v4l2_capabilities;
690 cx->card_name = cx->card->name;
691 cx->card_i2c = cx->card->i2c;
692 }
693
694 static int __devinit cx18_create_in_workq(struct cx18 *cx)
695 {
696 snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in",
697 cx->v4l2_dev.name);
698 cx->in_work_queue = alloc_ordered_workqueue(cx->in_workq_name, 0);
699 if (cx->in_work_queue == NULL) {
700 CX18_ERR("Unable to create incoming mailbox handler thread\n");
701 return -ENOMEM;
702 }
703 return 0;
704 }
705
706 static void __devinit cx18_init_in_work_orders(struct cx18 *cx)
707 {
708 int i;
709 for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) {
710 cx->in_work_order[i].cx = cx;
711 cx->in_work_order[i].str = cx->epu_debug_str;
712 INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler);
713 }
714 }
715
716 /* Precondition: the cx18 structure has been memset to 0. Only
717 the dev and instance fields have been filled in.
718 No assumptions on the card type may be made here (see cx18_init_struct2
719 for that).
720 */
721 static int __devinit cx18_init_struct1(struct cx18 *cx)
722 {
723 int ret;
724
725 cx->base_addr = pci_resource_start(cx->pci_dev, 0);
726
727 mutex_init(&cx->serialize_lock);
728 mutex_init(&cx->gpio_lock);
729 mutex_init(&cx->epu2apu_mb_lock);
730 mutex_init(&cx->epu2cpu_mb_lock);
731
732 ret = cx18_create_in_workq(cx);
733 if (ret)
734 return ret;
735
736 cx18_init_in_work_orders(cx);
737
738 /* start counting open_id at 1 */
739 cx->open_id = 1;
740
741 /* Initial settings */
742 cx->cxhdl.port = CX2341X_PORT_MEMORY;
743 cx->cxhdl.capabilities = CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI;
744 cx->cxhdl.ops = &cx18_cxhdl_ops;
745 cx->cxhdl.func = cx18_api_func;
746 cx->cxhdl.priv = &cx->streams[CX18_ENC_STREAM_TYPE_MPG];
747 ret = cx2341x_handler_init(&cx->cxhdl, 50);
748 if (ret)
749 return ret;
750 cx->v4l2_dev.ctrl_handler = &cx->cxhdl.hdl;
751
752 cx->temporal_strength = cx->cxhdl.video_temporal_filter->cur.val;
753 cx->spatial_strength = cx->cxhdl.video_spatial_filter->cur.val;
754 cx->filter_mode = cx->cxhdl.video_spatial_filter_mode->cur.val |
755 (cx->cxhdl.video_temporal_filter_mode->cur.val << 1) |
756 (cx->cxhdl.video_median_filter_type->cur.val << 2);
757
758 init_waitqueue_head(&cx->cap_w);
759 init_waitqueue_head(&cx->mb_apu_waitq);
760 init_waitqueue_head(&cx->mb_cpu_waitq);
761 init_waitqueue_head(&cx->dma_waitq);
762
763 /* VBI */
764 cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
765 cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
766
767 /* IVTV style VBI insertion into MPEG streams */
768 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_buf.list);
769 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.list);
770 INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.buf_list);
771 list_add(&cx->vbi.sliced_mpeg_buf.list,
772 &cx->vbi.sliced_mpeg_mdl.buf_list);
773 return 0;
774 }
775
776 /* Second initialization part. Here the card type has been
777 autodetected. */
778 static void __devinit cx18_init_struct2(struct cx18 *cx)
779 {
780 int i;
781
782 for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++)
783 if (cx->card->video_inputs[i].video_type == 0)
784 break;
785 cx->nof_inputs = i;
786 for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++)
787 if (cx->card->audio_inputs[i].audio_type == 0)
788 break;
789 cx->nof_audio_inputs = i;
790
791 /* Find tuner input */
792 for (i = 0; i < cx->nof_inputs; i++) {
793 if (cx->card->video_inputs[i].video_type ==
794 CX18_CARD_INPUT_VID_TUNER)
795 break;
796 }
797 if (i == cx->nof_inputs)
798 i = 0;
799 cx->active_input = i;
800 cx->audio_input = cx->card->video_inputs[i].audio_index;
801 }
802
803 static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
804 const struct pci_device_id *pci_id)
805 {
806 u16 cmd;
807 unsigned char pci_latency;
808
809 CX18_DEBUG_INFO("Enabling pci device\n");
810
811 if (pci_enable_device(pci_dev)) {
812 CX18_ERR("Can't enable device %d!\n", cx->instance);
813 return -EIO;
814 }
815 if (pci_set_dma_mask(pci_dev, 0xffffffff)) {
816 CX18_ERR("No suitable DMA available, card %d\n", cx->instance);
817 return -EIO;
818 }
819 if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) {
820 CX18_ERR("Cannot request encoder memory region, card %d\n",
821 cx->instance);
822 return -EIO;
823 }
824
825 /* Enable bus mastering and memory mapped IO for the CX23418 */
826 pci_read_config_word(pci_dev, PCI_COMMAND, &cmd);
827 cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
828 pci_write_config_word(pci_dev, PCI_COMMAND, cmd);
829
830 cx->card_rev = pci_dev->revision;
831 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
832
833 if (pci_latency < 64 && cx18_pci_latency) {
834 CX18_INFO("Unreasonably low latency timer, "
835 "setting to 64 (was %d)\n", pci_latency);
836 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64);
837 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
838 }
839
840 CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, "
841 "irq: %d, latency: %d, memory: 0x%lx\n",
842 cx->pci_dev->device, cx->card_rev, pci_dev->bus->number,
843 PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn),
844 cx->pci_dev->irq, pci_latency, (unsigned long)cx->base_addr);
845
846 return 0;
847 }
848
849 static void cx18_init_subdevs(struct cx18 *cx)
850 {
851 u32 hw = cx->card->hw_all;
852 u32 device;
853 int i;
854
855 for (i = 0, device = 1; i < 32; i++, device <<= 1) {
856
857 if (!(device & hw))
858 continue;
859
860 switch (device) {
861 case CX18_HW_DVB:
862 case CX18_HW_TVEEPROM:
863 /* These subordinate devices do not use probing */
864 cx->hw_flags |= device;
865 break;
866 case CX18_HW_418_AV:
867 /* The A/V decoder gets probed earlier to set PLLs */
868 /* Just note that the card uses it (i.e. has analog) */
869 cx->hw_flags |= device;
870 break;
871 case CX18_HW_GPIO_RESET_CTRL:
872 /*
873 * The Reset Controller gets probed and added to
874 * hw_flags earlier for i2c adapter/bus initialization
875 */
876 break;
877 case CX18_HW_GPIO_MUX:
878 if (cx18_gpio_register(cx, device) == 0)
879 cx->hw_flags |= device;
880 break;
881 default:
882 if (cx18_i2c_register(cx, i) == 0)
883 cx->hw_flags |= device;
884 break;
885 }
886 }
887
888 if (cx->hw_flags & CX18_HW_418_AV)
889 cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV);
890
891 if (cx->card->hw_muxer != 0)
892 cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer);
893 }
894
895 static int __devinit cx18_probe(struct pci_dev *pci_dev,
896 const struct pci_device_id *pci_id)
897 {
898 int retval = 0;
899 int i;
900 u32 devtype;
901 struct cx18 *cx;
902
903 /* FIXME - module parameter arrays constrain max instances */
904 i = atomic_inc_return(&cx18_instance) - 1;
905 if (i >= CX18_MAX_CARDS) {
906 printk(KERN_ERR "cx18: cannot manage card %d, driver has a "
907 "limit of 0 - %d\n", i, CX18_MAX_CARDS - 1);
908 return -ENOMEM;
909 }
910
911 cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
912 if (cx == NULL) {
913 printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n",
914 i);
915 return -ENOMEM;
916 }
917 cx->pci_dev = pci_dev;
918 cx->instance = i;
919
920 retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev);
921 if (retval) {
922 printk(KERN_ERR "cx18: v4l2_device_register of card %d failed"
923 "\n", cx->instance);
924 kfree(cx);
925 return retval;
926 }
927 snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d",
928 cx->instance);
929 CX18_INFO("Initializing card %d\n", cx->instance);
930
931 cx18_process_options(cx);
932 if (cx->options.cardtype == -1) {
933 retval = -ENODEV;
934 goto err;
935 }
936
937 retval = cx18_init_struct1(cx);
938 if (retval)
939 goto err;
940
941 CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr);
942
943 /* PCI Device Setup */
944 retval = cx18_setup_pci(cx, pci_dev, pci_id);
945 if (retval != 0)
946 goto free_workqueues;
947
948 /* map io memory */
949 CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
950 cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
951 cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
952 CX18_MEM_SIZE);
953 if (!cx->enc_mem) {
954 CX18_ERR("ioremap failed. Can't get a window into CX23418 "
955 "memory and register space\n");
956 CX18_ERR("Each capture card with a CX23418 needs 64 MB of "
957 "vmalloc address space for the window\n");
958 CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
959 CX18_ERR("Use the vmalloc= kernel command line option to set "
960 "VmallocTotal to a larger value\n");
961 retval = -ENOMEM;
962 goto free_mem;
963 }
964 cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
965 devtype = cx18_read_reg(cx, 0xC72028);
966 switch (devtype & 0xff000000) {
967 case 0xff000000:
968 CX18_INFO("cx23418 revision %08x (A)\n", devtype);
969 break;
970 case 0x01000000:
971 CX18_INFO("cx23418 revision %08x (B)\n", devtype);
972 break;
973 default:
974 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
975 break;
976 }
977
978 cx18_init_power(cx, 1);
979 cx18_init_memory(cx);
980
981 cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
982 cx18_init_scb(cx);
983
984 cx18_gpio_init(cx);
985
986 /* Initialize integrated A/V decoder early to set PLLs, just in case */
987 retval = cx18_av_probe(cx);
988 if (retval) {
989 CX18_ERR("Could not register A/V decoder subdevice\n");
990 goto free_map;
991 }
992
993 /* Initialize GPIO Reset Controller to do chip resets during i2c init */
994 if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) {
995 if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0)
996 CX18_WARN("Could not register GPIO reset controller"
997 "subdevice; proceeding anyway.\n");
998 else
999 cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL;
1000 }
1001
1002 /* active i2c */
1003 CX18_DEBUG_INFO("activating i2c...\n");
1004 retval = init_cx18_i2c(cx);
1005 if (retval) {
1006 CX18_ERR("Could not initialize i2c\n");
1007 goto free_map;
1008 }
1009
1010 if (cx->card->hw_all & CX18_HW_TVEEPROM) {
1011 /* Based on the model number the cardtype may be changed.
1012 The PCI IDs are not always reliable. */
1013 const struct cx18_card *orig_card = cx->card;
1014 cx18_process_eeprom(cx);
1015
1016 if (cx->card != orig_card) {
1017 /* Changed the cardtype; re-reset the I2C chips */
1018 cx18_gpio_init(cx);
1019 cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL,
1020 core, reset, (u32) CX18_GPIO_RESET_I2C);
1021 }
1022 }
1023 if (cx->card->comment)
1024 CX18_INFO("%s", cx->card->comment);
1025 if (cx->card->v4l2_capabilities == 0) {
1026 retval = -ENODEV;
1027 goto free_i2c;
1028 }
1029 cx18_init_memory(cx);
1030 cx18_init_scb(cx);
1031
1032 /* Register IRQ */
1033 retval = request_irq(cx->pci_dev->irq, cx18_irq_handler,
1034 IRQF_SHARED | IRQF_DISABLED,
1035 cx->v4l2_dev.name, (void *)cx);
1036 if (retval) {
1037 CX18_ERR("Failed to register irq %d\n", retval);
1038 goto free_i2c;
1039 }
1040
1041 if (cx->std == 0)
1042 cx->std = V4L2_STD_NTSC_M;
1043
1044 if (cx->options.tuner == -1) {
1045 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
1046 if ((cx->std & cx->card->tuners[i].std) == 0)
1047 continue;
1048 cx->options.tuner = cx->card->tuners[i].tuner;
1049 break;
1050 }
1051 }
1052 /* if no tuner was found, then pick the first tuner in the card list */
1053 if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
1054 cx->std = cx->card->tuners[0].std;
1055 if (cx->std & V4L2_STD_PAL)
1056 cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1057 else if (cx->std & V4L2_STD_NTSC)
1058 cx->std = V4L2_STD_NTSC_M;
1059 else if (cx->std & V4L2_STD_SECAM)
1060 cx->std = V4L2_STD_SECAM_L;
1061 cx->options.tuner = cx->card->tuners[0].tuner;
1062 }
1063 if (cx->options.radio == -1)
1064 cx->options.radio = (cx->card->radio_input.audio_type != 0);
1065
1066 /* The card is now fully identified, continue with card-specific
1067 initialization. */
1068 cx18_init_struct2(cx);
1069
1070 cx18_init_subdevs(cx);
1071
1072 if (cx->std & V4L2_STD_525_60)
1073 cx->is_60hz = 1;
1074 else
1075 cx->is_50hz = 1;
1076
1077 cx2341x_handler_set_50hz(&cx->cxhdl, !cx->is_60hz);
1078
1079 if (cx->options.radio > 0)
1080 cx->v4l2_cap |= V4L2_CAP_RADIO;
1081
1082 if (cx->options.tuner > -1) {
1083 struct tuner_setup setup;
1084
1085 setup.addr = ADDR_UNSET;
1086 setup.type = cx->options.tuner;
1087 setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */
1088 setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1089 cx18_reset_tuner_gpio : NULL;
1090 cx18_call_all(cx, tuner, s_type_addr, &setup);
1091 if (setup.type == TUNER_XC2028) {
1092 static struct xc2028_ctrl ctrl = {
1093 .fname = XC2028_DEFAULT_FIRMWARE,
1094 .max_len = 64,
1095 };
1096 struct v4l2_priv_tun_config cfg = {
1097 .tuner = cx->options.tuner,
1098 .priv = &ctrl,
1099 };
1100 cx18_call_all(cx, tuner, s_config, &cfg);
1101 }
1102 }
1103
1104 /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1105 are not. */
1106 cx->tuner_std = cx->std;
1107 if (cx->std == V4L2_STD_ALL)
1108 cx->std = V4L2_STD_NTSC_M;
1109
1110 retval = cx18_streams_setup(cx);
1111 if (retval) {
1112 CX18_ERR("Error %d setting up streams\n", retval);
1113 goto free_irq;
1114 }
1115 retval = cx18_streams_register(cx);
1116 if (retval) {
1117 CX18_ERR("Error %d registering devices\n", retval);
1118 goto free_streams;
1119 }
1120
1121 CX18_INFO("Initialized card: %s\n", cx->card_name);
1122
1123 /* Load cx18 submodules (cx18-alsa) */
1124 request_modules(cx);
1125 return 0;
1126
1127 free_streams:
1128 cx18_streams_cleanup(cx, 1);
1129 free_irq:
1130 free_irq(cx->pci_dev->irq, (void *)cx);
1131 free_i2c:
1132 exit_cx18_i2c(cx);
1133 free_map:
1134 cx18_iounmap(cx);
1135 free_mem:
1136 release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1137 free_workqueues:
1138 destroy_workqueue(cx->in_work_queue);
1139 err:
1140 if (retval == 0)
1141 retval = -ENODEV;
1142 CX18_ERR("Error %d on initialization\n", retval);
1143
1144 v4l2_device_unregister(&cx->v4l2_dev);
1145 kfree(cx);
1146 return retval;
1147 }
1148
1149 int cx18_init_on_first_open(struct cx18 *cx)
1150 {
1151 int video_input;
1152 int fw_retry_count = 3;
1153 struct v4l2_frequency vf;
1154 struct cx18_open_id fh;
1155 v4l2_std_id std;
1156
1157 fh.cx = cx;
1158
1159 if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
1160 return -ENXIO;
1161
1162 if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
1163 return 0;
1164
1165 while (--fw_retry_count > 0) {
1166 /* load firmware */
1167 if (cx18_firmware_init(cx) == 0)
1168 break;
1169 if (fw_retry_count > 1)
1170 CX18_WARN("Retry loading firmware\n");
1171 }
1172
1173 if (fw_retry_count == 0) {
1174 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1175 return -ENXIO;
1176 }
1177 set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
1178
1179 /*
1180 * Init the firmware twice to work around a silicon bug
1181 * with the digital TS.
1182 *
1183 * The second firmware load requires us to normalize the APU state,
1184 * or the audio for the first analog capture will be badly incorrect.
1185 *
1186 * I can't seem to call APU_RESETAI and have it succeed without the
1187 * APU capturing audio, so we start and stop it here to do the reset
1188 */
1189
1190 /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1191 cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1192 cx18_vapi(cx, CX18_APU_RESETAI, 0);
1193 cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1194
1195 fw_retry_count = 3;
1196 while (--fw_retry_count > 0) {
1197 /* load firmware */
1198 if (cx18_firmware_init(cx) == 0)
1199 break;
1200 if (fw_retry_count > 1)
1201 CX18_WARN("Retry loading firmware\n");
1202 }
1203
1204 if (fw_retry_count == 0) {
1205 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1206 return -ENXIO;
1207 }
1208
1209 /*
1210 * The second firmware load requires us to normalize the APU state,
1211 * or the audio for the first analog capture will be badly incorrect.
1212 *
1213 * I can't seem to call APU_RESETAI and have it succeed without the
1214 * APU capturing audio, so we start and stop it here to do the reset
1215 */
1216
1217 /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1218 cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1219 cx18_vapi(cx, CX18_APU_RESETAI, 0);
1220 cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1221
1222 /* Init the A/V decoder, if it hasn't been already */
1223 v4l2_subdev_call(cx->sd_av, core, load_fw);
1224
1225 vf.tuner = 0;
1226 vf.type = V4L2_TUNER_ANALOG_TV;
1227 vf.frequency = 6400; /* the tuner 'baseline' frequency */
1228
1229 /* Set initial frequency. For PAL/SECAM broadcasts no
1230 'default' channel exists AFAIK. */
1231 if (cx->std == V4L2_STD_NTSC_M_JP)
1232 vf.frequency = 1460; /* ch. 1 91250*16/1000 */
1233 else if (cx->std & V4L2_STD_NTSC_M)
1234 vf.frequency = 1076; /* ch. 4 67250*16/1000 */
1235
1236 video_input = cx->active_input;
1237 cx->active_input++; /* Force update of input */
1238 cx18_s_input(NULL, &fh, video_input);
1239
1240 /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1241 in one place. */
1242 cx->std++; /* Force full standard initialization */
1243 std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std;
1244 cx18_s_std(NULL, &fh, &std);
1245 cx18_s_frequency(NULL, &fh, &vf);
1246 return 0;
1247 }
1248
1249 static void cx18_cancel_in_work_orders(struct cx18 *cx)
1250 {
1251 int i;
1252 for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++)
1253 cancel_work_sync(&cx->in_work_order[i].work);
1254 }
1255
1256 static void cx18_cancel_out_work_orders(struct cx18 *cx)
1257 {
1258 int i;
1259 for (i = 0; i < CX18_MAX_STREAMS; i++)
1260 if (&cx->streams[i].video_dev != NULL)
1261 cancel_work_sync(&cx->streams[i].out_work_order);
1262 }
1263
1264 static void cx18_remove(struct pci_dev *pci_dev)
1265 {
1266 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1267 struct cx18 *cx = to_cx18(v4l2_dev);
1268 int i;
1269
1270 CX18_DEBUG_INFO("Removing Card\n");
1271
1272 flush_request_modules(cx);
1273
1274 /* Stop all captures */
1275 CX18_DEBUG_INFO("Stopping all streams\n");
1276 if (atomic_read(&cx->tot_capturing) > 0)
1277 cx18_stop_all_captures(cx);
1278
1279 /* Stop interrupts that cause incoming work to be queued */
1280 cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
1281
1282 /* Incoming work can cause outgoing work, so clean up incoming first */
1283 cx18_cancel_in_work_orders(cx);
1284 cx18_cancel_out_work_orders(cx);
1285
1286 /* Stop ack interrupts that may have been needed for work to finish */
1287 cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
1288
1289 cx18_halt_firmware(cx);
1290
1291 destroy_workqueue(cx->in_work_queue);
1292
1293 cx18_streams_cleanup(cx, 1);
1294
1295 exit_cx18_i2c(cx);
1296
1297 free_irq(cx->pci_dev->irq, (void *)cx);
1298
1299 cx18_iounmap(cx);
1300
1301 release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1302
1303 pci_disable_device(cx->pci_dev);
1304
1305 if (cx->vbi.sliced_mpeg_data[0] != NULL)
1306 for (i = 0; i < CX18_VBI_FRAMES; i++)
1307 kfree(cx->vbi.sliced_mpeg_data[i]);
1308
1309 v4l2_ctrl_handler_free(&cx->av_state.hdl);
1310
1311 CX18_INFO("Removed %s\n", cx->card_name);
1312
1313 v4l2_device_unregister(v4l2_dev);
1314 kfree(cx);
1315 }
1316
1317
1318 /* define a pci_driver for card detection */
1319 static struct pci_driver cx18_pci_driver = {
1320 .name = "cx18",
1321 .id_table = cx18_pci_tbl,
1322 .probe = cx18_probe,
1323 .remove = cx18_remove,
1324 };
1325
1326 static int __init module_start(void)
1327 {
1328 printk(KERN_INFO "cx18: Start initialization, version %s\n",
1329 CX18_VERSION);
1330
1331 /* Validate parameters */
1332 if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
1333 printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n",
1334 CX18_MAX_CARDS - 1);
1335 return -1;
1336 }
1337
1338 if (cx18_debug < 0 || cx18_debug > 511) {
1339 cx18_debug = 0;
1340 printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n");
1341 }
1342
1343 if (pci_register_driver(&cx18_pci_driver)) {
1344 printk(KERN_ERR "cx18: Error detecting PCI card\n");
1345 return -ENODEV;
1346 }
1347 printk(KERN_INFO "cx18: End initialization\n");
1348 return 0;
1349 }
1350
1351 static void __exit module_cleanup(void)
1352 {
1353 pci_unregister_driver(&cx18_pci_driver);
1354 }
1355
1356 module_init(module_start);
1357 module_exit(module_cleanup);
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