Version:  2.0.40 2.2.26 2.4.37 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10

Linux/drivers/media/pci/cx18/cx18-driver.c

  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 #include <linux/dma-mapping.h>
 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[] = {
 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, 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);
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(&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(tv, 0, sizeof(*tv));
331 
332         c = kzalloc(sizeof(*c), GFP_KERNEL);
333         if (!c)
334                 return;
335 
336         strlcpy(c->name, "cx18 tveeprom tmp", sizeof(c->name));
337         c->adapter = &cx->i2c_adap[0];
338         c->addr = 0xa0 >> 1;
339 
340         if (tveeprom_read(c, eedata, sizeof(eedata)))
341                 goto ret;
342 
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;
360         }
361 
362 ret:
363         kfree(c);
364 }
365 
366 static void cx18_process_eeprom(struct cx18 *cx)
367 {
368         struct tveeprom tv;
369 
370         cx18_read_eeprom(cx, &tv);
371 
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 (cardtype=1)\n",
409                          tv.model);
410                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
411                 break;
412         }
413 
414         cx->v4l2_cap = cx->card->v4l2_capabilities;
415         cx->card_name = cx->card->name;
416         cx->card_i2c = cx->card->i2c;
417 
418         CX18_INFO("Autodetected %s\n", cx->card_name);
419 
420         if (tv.tuner_type == TUNER_ABSENT)
421                 CX18_ERR("tveeprom cannot autodetect tuner!\n");
422 
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);
427 
428         if (cx->std != 0)
429                 /* user specified tuner standard */
430                 return;
431 
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;
454         }
455 }
456 
457 static v4l2_std_id cx18_parse_std(struct cx18 *cx)
458 {
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;
491         }
492 
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;
516         }
517 
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;
533         }
534 
535         /* no match found */
536         return 0;
537 }
538 
539 static void cx18_process_options(struct cx18 *cx)
540 {
541         int i, j;
542 
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 */
550 
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 */
558 
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 */
566 
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;
576                 }
577                 /*
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).
581                  *
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).
585                  *
586                  */
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);
591 
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);
599 
600                         if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE)
601                                 cx->stream_buf_size[i] =
602                                                 CX18_UNIT_ENC_IDX_BUFSIZE;
603                 }
604                 /*
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
609                  */
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);
622                         }
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;
634                         }
635                         /* convert from kB to bytes */
636                         cx->stream_buf_size[i] *= 1024;
637                 }
638                 CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, %d bytes\n",
639                                 i, cx->options.megabytes[i],
640                                 cx->stream_buffers[i], cx->stream_buf_size[i]);
641         }
642 
643         cx->options.cardtype = cardtype[cx->instance];
644         cx->options.tuner = tuner[cx->instance];
645         cx->options.radio = radio[cx->instance];
646 
647         cx->std = cx18_parse_std(cx);
648         if (cx->options.cardtype == -1) {
649                 CX18_INFO("Ignore card\n");
650                 return;
651         }
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");
661                 }
662         }
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;
679                         }
680                 }
681         }
682 done:
683 
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");
695         }
696         cx->v4l2_cap = cx->card->v4l2_capabilities;
697         cx->card_name = cx->card->name;
698         cx->card_i2c = cx->card->i2c;
699 }
700 
701 static int cx18_create_in_workq(struct cx18 *cx)
702 {
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;
709         }
710         return 0;
711 }
712 
713 static void cx18_init_in_work_orders(struct cx18 *cx)
714 {
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);
720         }
721 }
722 
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).
727  */
728 static int cx18_init_struct1(struct cx18 *cx)
729 {
730         int ret;
731 
732         cx->base_addr = pci_resource_start(cx->pci_dev, 0);
733 
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);
738 
739         ret = cx18_create_in_workq(cx);
740         if (ret)
741                 return ret;
742 
743         cx18_init_in_work_orders(cx);
744 
745         /* start counting open_id at 1 */
746         cx->open_id = 1;
747 
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;
758 
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);
764 
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);
769 
770         /* VBI */
771         cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
772         cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
773 
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;
781 }
782 
783 /* Second initialization part. Here the card type has been
784    autodetected. */
785 static void cx18_init_struct2(struct cx18 *cx)
786 {
787         int i;
788 
789         for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS - 1; 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 - 1; i++)
794                 if (cx->card->audio_inputs[i].audio_type == 0)
795                         break;
796         cx->nof_audio_inputs = i;
797 
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;
803         }
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;
808 }
809 
810 static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
811                           const struct pci_device_id *pci_id)
812 {
813         u16 cmd;
814         unsigned char pci_latency;
815 
816         CX18_DEBUG_INFO("Enabling pci device\n");
817 
818         if (pci_enable_device(pci_dev)) {
819                 CX18_ERR("Can't enable device %d!\n", cx->instance);
820                 return -EIO;
821         }
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;
825         }
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;
830         }
831 
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);
836 
837         cx->card_rev = pci_dev->revision;
838         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
839 
840         if (pci_latency < 64 && cx18_pci_latency) {
841                 CX18_INFO("Unreasonably low latency timer, setting to 64 (was %d)\n",
842                           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);
845         }
846 
847         CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, irq: %d, latency: %d, memory: 0x%llx\n",
848                    cx->pci_dev->device, cx->card_rev, pci_dev->bus->number,
849                    PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn),
850                    cx->pci_dev->irq, pci_latency, (u64)cx->base_addr);
851 
852         return 0;
853 }
854 
855 static void cx18_init_subdevs(struct cx18 *cx)
856 {
857         u32 hw = cx->card->hw_all;
858         u32 device;
859         int i;
860 
861         for (i = 0, device = 1; i < 32; i++, device <<= 1) {
862 
863                 if (!(device & hw))
864                         continue;
865 
866                 switch (device) {
867                 case CX18_HW_DVB:
868                 case CX18_HW_TVEEPROM:
869                         /* These subordinate devices do not use probing */
870                         cx->hw_flags |= device;
871                         break;
872                 case CX18_HW_418_AV:
873                         /* The A/V decoder gets probed earlier to set PLLs */
874                         /* Just note that the card uses it (i.e. has analog) */
875                         cx->hw_flags |= device;
876                         break;
877                 case CX18_HW_GPIO_RESET_CTRL:
878                         /*
879                          * The Reset Controller gets probed and added to
880                          * hw_flags earlier for i2c adapter/bus initialization
881                          */
882                         break;
883                 case CX18_HW_GPIO_MUX:
884                         if (cx18_gpio_register(cx, device) == 0)
885                                 cx->hw_flags |= device;
886                         break;
887                 default:
888                         if (cx18_i2c_register(cx, i) == 0)
889                                 cx->hw_flags |= device;
890                         break;
891                 }
892         }
893 
894         if (cx->hw_flags & CX18_HW_418_AV)
895                 cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV);
896 
897         if (cx->card->hw_muxer != 0)
898                 cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer);
899 }
900 
901 static int cx18_probe(struct pci_dev *pci_dev,
902                       const struct pci_device_id *pci_id)
903 {
904         int retval = 0;
905         int i;
906         u32 devtype;
907         struct cx18 *cx;
908 
909         /* FIXME - module parameter arrays constrain max instances */
910         i = atomic_inc_return(&cx18_instance) - 1;
911         if (i >= CX18_MAX_CARDS) {
912                 printk(KERN_ERR "cx18: cannot manage card %d, driver has a limit of 0 - %d\n",
913                        i, CX18_MAX_CARDS - 1);
914                 return -ENOMEM;
915         }
916 
917         cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
918         if (cx == NULL) {
919                 printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n",
920                        i);
921                 return -ENOMEM;
922         }
923         cx->pci_dev = pci_dev;
924         cx->instance = i;
925 
926         retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev);
927         if (retval) {
928                 printk(KERN_ERR "cx18: v4l2_device_register of card %d failed\n",
929                        cx->instance);
930                 kfree(cx);
931                 return retval;
932         }
933         snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d",
934                  cx->instance);
935         CX18_INFO("Initializing card %d\n", cx->instance);
936 
937         cx18_process_options(cx);
938         if (cx->options.cardtype == -1) {
939                 retval = -ENODEV;
940                 goto err;
941         }
942 
943         retval = cx18_init_struct1(cx);
944         if (retval)
945                 goto err;
946 
947         CX18_DEBUG_INFO("base addr: 0x%llx\n", (u64)cx->base_addr);
948 
949         /* PCI Device Setup */
950         retval = cx18_setup_pci(cx, pci_dev, pci_id);
951         if (retval != 0)
952                 goto free_workqueues;
953 
954         /* map io memory */
955         CX18_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
956                    (u64)cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
957         cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
958                                        CX18_MEM_SIZE);
959         if (!cx->enc_mem) {
960                 CX18_ERR("ioremap failed. Can't get a window into CX23418 memory and register space\n");
961                 CX18_ERR("Each capture card with a CX23418 needs 64 MB of vmalloc address space for the window\n");
962                 CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
963                 CX18_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
964                 retval = -ENOMEM;
965                 goto free_mem;
966         }
967         cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
968         devtype = cx18_read_reg(cx, 0xC72028);
969         switch (devtype & 0xff000000) {
970         case 0xff000000:
971                 CX18_INFO("cx23418 revision %08x (A)\n", devtype);
972                 break;
973         case 0x01000000:
974                 CX18_INFO("cx23418 revision %08x (B)\n", devtype);
975                 break;
976         default:
977                 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
978                 break;
979         }
980 
981         cx18_init_power(cx, 1);
982         cx18_init_memory(cx);
983 
984         cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
985         cx18_init_scb(cx);
986 
987         cx18_gpio_init(cx);
988 
989         /* Initialize integrated A/V decoder early to set PLLs, just in case */
990         retval = cx18_av_probe(cx);
991         if (retval) {
992                 CX18_ERR("Could not register A/V decoder subdevice\n");
993                 goto free_map;
994         }
995 
996         /* Initialize GPIO Reset Controller to do chip resets during i2c init */
997         if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) {
998                 if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0)
999                         CX18_WARN("Could not register GPIO reset controllersubdevice; proceeding anyway.\n");
1000                 else
1001                         cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL;
1002         }
1003 
1004         /* active i2c  */
1005         CX18_DEBUG_INFO("activating i2c...\n");
1006         retval = init_cx18_i2c(cx);
1007         if (retval) {
1008                 CX18_ERR("Could not initialize i2c\n");
1009                 goto free_map;
1010         }
1011 
1012         if (cx->card->hw_all & CX18_HW_TVEEPROM) {
1013                 /* Based on the model number the cardtype may be changed.
1014                    The PCI IDs are not always reliable. */
1015                 const struct cx18_card *orig_card = cx->card;
1016                 cx18_process_eeprom(cx);
1017 
1018                 if (cx->card != orig_card) {
1019                         /* Changed the cardtype; re-reset the I2C chips */
1020                         cx18_gpio_init(cx);
1021                         cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL,
1022                                         core, reset, (u32) CX18_GPIO_RESET_I2C);
1023                 }
1024         }
1025         if (cx->card->comment)
1026                 CX18_INFO("%s", cx->card->comment);
1027         if (cx->card->v4l2_capabilities == 0) {
1028                 retval = -ENODEV;
1029                 goto free_i2c;
1030         }
1031         cx18_init_memory(cx);
1032         cx18_init_scb(cx);
1033 
1034         /* Register IRQ */
1035         retval = request_irq(cx->pci_dev->irq, cx18_irq_handler,
1036                              IRQF_SHARED, cx->v4l2_dev.name, (void *)cx);
1037         if (retval) {
1038                 CX18_ERR("Failed to register irq %d\n", retval);
1039                 goto free_i2c;
1040         }
1041 
1042         if (cx->std == 0)
1043                 cx->std = V4L2_STD_NTSC_M;
1044 
1045         if (cx->options.tuner == -1) {
1046                 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
1047                         if ((cx->std & cx->card->tuners[i].std) == 0)
1048                                 continue;
1049                         cx->options.tuner = cx->card->tuners[i].tuner;
1050                         break;
1051                 }
1052         }
1053         /* if no tuner was found, then pick the first tuner in the card list */
1054         if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
1055                 cx->std = cx->card->tuners[0].std;
1056                 if (cx->std & V4L2_STD_PAL)
1057                         cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
1058                 else if (cx->std & V4L2_STD_NTSC)
1059                         cx->std = V4L2_STD_NTSC_M;
1060                 else if (cx->std & V4L2_STD_SECAM)
1061                         cx->std = V4L2_STD_SECAM_L;
1062                 cx->options.tuner = cx->card->tuners[0].tuner;
1063         }
1064         if (cx->options.radio == -1)
1065                 cx->options.radio = (cx->card->radio_input.audio_type != 0);
1066 
1067         /* The card is now fully identified, continue with card-specific
1068            initialization. */
1069         cx18_init_struct2(cx);
1070 
1071         cx18_init_subdevs(cx);
1072 
1073         if (cx->std & V4L2_STD_525_60)
1074                 cx->is_60hz = 1;
1075         else
1076                 cx->is_50hz = 1;
1077 
1078         cx2341x_handler_set_50hz(&cx->cxhdl, !cx->is_60hz);
1079 
1080         if (cx->options.radio > 0)
1081                 cx->v4l2_cap |= V4L2_CAP_RADIO;
1082 
1083         if (cx->options.tuner > -1) {
1084                 struct tuner_setup setup;
1085 
1086                 setup.addr = ADDR_UNSET;
1087                 setup.type = cx->options.tuner;
1088                 setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
1089                 setup.config = NULL;
1090                 if (cx->options.radio > 0)
1091                         setup.mode_mask |= T_RADIO;
1092                 setup.tuner_callback = (setup.type == TUNER_XC2028) ?
1093                         cx18_reset_tuner_gpio : NULL;
1094                 cx18_call_all(cx, tuner, s_type_addr, &setup);
1095                 if (setup.type == TUNER_XC2028) {
1096                         static struct xc2028_ctrl ctrl = {
1097                                 .fname = XC2028_DEFAULT_FIRMWARE,
1098                                 .max_len = 64,
1099                         };
1100                         struct v4l2_priv_tun_config cfg = {
1101                                 .tuner = cx->options.tuner,
1102                                 .priv = &ctrl,
1103                         };
1104                         cx18_call_all(cx, tuner, s_config, &cfg);
1105                 }
1106         }
1107 
1108         /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
1109            are not. */
1110         cx->tuner_std = cx->std;
1111         if (cx->std == V4L2_STD_ALL)
1112                 cx->std = V4L2_STD_NTSC_M;
1113 
1114         retval = cx18_streams_setup(cx);
1115         if (retval) {
1116                 CX18_ERR("Error %d setting up streams\n", retval);
1117                 goto free_irq;
1118         }
1119         retval = cx18_streams_register(cx);
1120         if (retval) {
1121                 CX18_ERR("Error %d registering devices\n", retval);
1122                 goto free_streams;
1123         }
1124 
1125         CX18_INFO("Initialized card: %s\n", cx->card_name);
1126 
1127         /* Load cx18 submodules (cx18-alsa) */
1128         request_modules(cx);
1129         return 0;
1130 
1131 free_streams:
1132         cx18_streams_cleanup(cx, 1);
1133 free_irq:
1134         free_irq(cx->pci_dev->irq, (void *)cx);
1135 free_i2c:
1136         exit_cx18_i2c(cx);
1137 free_map:
1138         cx18_iounmap(cx);
1139 free_mem:
1140         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1141 free_workqueues:
1142         destroy_workqueue(cx->in_work_queue);
1143 err:
1144         if (retval == 0)
1145                 retval = -ENODEV;
1146         CX18_ERR("Error %d on initialization\n", retval);
1147 
1148         v4l2_device_unregister(&cx->v4l2_dev);
1149         kfree(cx);
1150         return retval;
1151 }
1152 
1153 int cx18_init_on_first_open(struct cx18 *cx)
1154 {
1155         int video_input;
1156         int fw_retry_count = 3;
1157         struct v4l2_frequency vf;
1158         struct cx18_open_id fh;
1159         v4l2_std_id std;
1160 
1161         fh.cx = cx;
1162 
1163         if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
1164                 return -ENXIO;
1165 
1166         if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
1167                 return 0;
1168 
1169         while (--fw_retry_count > 0) {
1170                 /* load firmware */
1171                 if (cx18_firmware_init(cx) == 0)
1172                         break;
1173                 if (fw_retry_count > 1)
1174                         CX18_WARN("Retry loading firmware\n");
1175         }
1176 
1177         if (fw_retry_count == 0) {
1178                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1179                 return -ENXIO;
1180         }
1181         set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
1182 
1183         /*
1184          * Init the firmware twice to work around a silicon bug
1185          * with the digital TS.
1186          *
1187          * The second firmware load requires us to normalize the APU state,
1188          * or the audio for the first analog capture will be badly incorrect.
1189          *
1190          * I can't seem to call APU_RESETAI and have it succeed without the
1191          * APU capturing audio, so we start and stop it here to do the reset
1192          */
1193 
1194         /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1195         cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1196         cx18_vapi(cx, CX18_APU_RESETAI, 0);
1197         cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1198 
1199         fw_retry_count = 3;
1200         while (--fw_retry_count > 0) {
1201                 /* load firmware */
1202                 if (cx18_firmware_init(cx) == 0)
1203                         break;
1204                 if (fw_retry_count > 1)
1205                         CX18_WARN("Retry loading firmware\n");
1206         }
1207 
1208         if (fw_retry_count == 0) {
1209                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1210                 return -ENXIO;
1211         }
1212 
1213         /*
1214          * The second firmware load requires us to normalize the APU state,
1215          * or the audio for the first analog capture will be badly incorrect.
1216          *
1217          * I can't seem to call APU_RESETAI and have it succeed without the
1218          * APU capturing audio, so we start and stop it here to do the reset
1219          */
1220 
1221         /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1222         cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1223         cx18_vapi(cx, CX18_APU_RESETAI, 0);
1224         cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1225 
1226         /* Init the A/V decoder, if it hasn't been already */
1227         v4l2_subdev_call(cx->sd_av, core, load_fw);
1228 
1229         vf.tuner = 0;
1230         vf.type = V4L2_TUNER_ANALOG_TV;
1231         vf.frequency = 6400; /* the tuner 'baseline' frequency */
1232 
1233         /* Set initial frequency. For PAL/SECAM broadcasts no
1234            'default' channel exists AFAIK. */
1235         if (cx->std == V4L2_STD_NTSC_M_JP)
1236                 vf.frequency = 1460;    /* ch. 1 91250*16/1000 */
1237         else if (cx->std & V4L2_STD_NTSC_M)
1238                 vf.frequency = 1076;    /* ch. 4 67250*16/1000 */
1239 
1240         video_input = cx->active_input;
1241         cx->active_input++;     /* Force update of input */
1242         cx18_s_input(NULL, &fh, video_input);
1243 
1244         /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1245            in one place. */
1246         cx->std++;              /* Force full standard initialization */
1247         std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std;
1248         cx18_s_std(NULL, &fh, std);
1249         cx18_s_frequency(NULL, &fh, &vf);
1250         return 0;
1251 }
1252 
1253 static void cx18_cancel_in_work_orders(struct cx18 *cx)
1254 {
1255         int i;
1256         for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++)
1257                 cancel_work_sync(&cx->in_work_order[i].work);
1258 }
1259 
1260 static void cx18_cancel_out_work_orders(struct cx18 *cx)
1261 {
1262         int i;
1263         for (i = 0; i < CX18_MAX_STREAMS; i++)
1264                 if (&cx->streams[i].video_dev != NULL)
1265                         cancel_work_sync(&cx->streams[i].out_work_order);
1266 }
1267 
1268 static void cx18_remove(struct pci_dev *pci_dev)
1269 {
1270         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1271         struct cx18 *cx = to_cx18(v4l2_dev);
1272         int i;
1273 
1274         CX18_DEBUG_INFO("Removing Card\n");
1275 
1276         flush_request_modules(cx);
1277 
1278         /* Stop all captures */
1279         CX18_DEBUG_INFO("Stopping all streams\n");
1280         if (atomic_read(&cx->tot_capturing) > 0)
1281                 cx18_stop_all_captures(cx);
1282 
1283         /* Stop interrupts that cause incoming work to be queued */
1284         cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
1285 
1286         /* Incoming work can cause outgoing work, so clean up incoming first */
1287         cx18_cancel_in_work_orders(cx);
1288         cx18_cancel_out_work_orders(cx);
1289 
1290         /* Stop ack interrupts that may have been needed for work to finish */
1291         cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
1292 
1293         cx18_halt_firmware(cx);
1294 
1295         destroy_workqueue(cx->in_work_queue);
1296 
1297         cx18_streams_cleanup(cx, 1);
1298 
1299         exit_cx18_i2c(cx);
1300 
1301         free_irq(cx->pci_dev->irq, (void *)cx);
1302 
1303         cx18_iounmap(cx);
1304 
1305         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1306 
1307         pci_disable_device(cx->pci_dev);
1308 
1309         if (cx->vbi.sliced_mpeg_data[0] != NULL)
1310                 for (i = 0; i < CX18_VBI_FRAMES; i++)
1311                         kfree(cx->vbi.sliced_mpeg_data[i]);
1312 
1313         v4l2_ctrl_handler_free(&cx->av_state.hdl);
1314 
1315         CX18_INFO("Removed %s\n", cx->card_name);
1316 
1317         v4l2_device_unregister(v4l2_dev);
1318         kfree(cx);
1319 }
1320 
1321 
1322 /* define a pci_driver for card detection */
1323 static struct pci_driver cx18_pci_driver = {
1324       .name =     "cx18",
1325       .id_table = cx18_pci_tbl,
1326       .probe =    cx18_probe,
1327       .remove =   cx18_remove,
1328 };
1329 
1330 static int __init module_start(void)
1331 {
1332         printk(KERN_INFO "cx18:  Start initialization, version %s\n",
1333                CX18_VERSION);
1334 
1335         /* Validate parameters */
1336         if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
1337                 printk(KERN_ERR "cx18:  Exiting, cx18_first_minor must be between 0 and %d\n",
1338                      CX18_MAX_CARDS - 1);
1339                 return -1;
1340         }
1341 
1342         if (cx18_debug < 0 || cx18_debug > 511) {
1343                 cx18_debug = 0;
1344                 printk(KERN_INFO "cx18:   Debug value must be >= 0 and <= 511!\n");
1345         }
1346 
1347         if (pci_register_driver(&cx18_pci_driver)) {
1348                 printk(KERN_ERR "cx18:   Error detecting PCI card\n");
1349                 return -ENODEV;
1350         }
1351         printk(KERN_INFO "cx18:  End initialization\n");
1352         return 0;
1353 }
1354 
1355 static void __exit module_cleanup(void)
1356 {
1357         pci_unregister_driver(&cx18_pci_driver);
1358 }
1359 
1360 module_init(module_start);
1361 module_exit(module_cleanup);
1362 MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE);
1363 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us