V4L/DVB (12723): ivtv/cx18: replace 'kernel number' with 'device node number'.
[linux-2.6.git] / drivers / media / video / 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@radix.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 "tuner-xc2028.h"
40
41 #include <media/tveeprom.h>
42
43 /* If you have already X v4l cards, then set this to X. This way
44    the device numbers stay matched. Example: you have a WinTV card
45    without radio and a Compro H900 with. Normally this would give a
46    video1 device together with a radio0 device for the Compro. By
47    setting this to 1 you ensure that radio0 is now also radio1. */
48 int cx18_first_minor;
49
50 /* add your revision and whatnot here */
51 static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
52         {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
53          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
54         {0,}
55 };
56
57 MODULE_DEVICE_TABLE(pci, cx18_pci_tbl);
58
59 static atomic_t cx18_instance = ATOMIC_INIT(0);
60
61 /* Parameter declarations */
62 static int cardtype[CX18_MAX_CARDS];
63 static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
64                                      -1, -1, -1, -1, -1, -1, -1, -1,
65                                      -1, -1, -1, -1, -1, -1, -1, -1,
66                                      -1, -1, -1, -1, -1, -1, -1, -1 };
67 static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
68                                      -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 static unsigned cardtype_c = 1;
72 static unsigned tuner_c = 1;
73 static unsigned radio_c = 1;
74 static char pal[] = "--";
75 static char secam[] = "--";
76 static char ntsc[] = "-";
77
78 /* Buffers */
79 static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS;
80 static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;
81 static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS;
82 static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS;
83 static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS;
84 static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS;
85
86 static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE;
87 static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE;
88 static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE;
89 static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE;
90 /* VBI bufsize based on standards supported by card tuner for now */
91 static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE;
92
93 static int enc_ts_bufs = -1;
94 static int enc_mpg_bufs = -1;
95 static int enc_idx_bufs = -1;
96 static int enc_yuv_bufs = -1;
97 static int enc_vbi_bufs = -1;
98 static int enc_pcm_bufs = -1;
99
100
101 static int cx18_pci_latency = 1;
102
103 static int mmio_ndelay;
104 static int retry_mmio = 1;
105
106 int cx18_debug;
107
108 module_param_array(tuner, int, &tuner_c, 0644);
109 module_param_array(radio, bool, &radio_c, 0644);
110 module_param_array(cardtype, int, &cardtype_c, 0644);
111 module_param_string(pal, pal, sizeof(pal), 0644);
112 module_param_string(secam, secam, sizeof(secam), 0644);
113 module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
114 module_param_named(debug, cx18_debug, int, 0644);
115 module_param(mmio_ndelay, int, 0644);
116 module_param(retry_mmio, int, 0644);
117 module_param(cx18_pci_latency, int, 0644);
118 module_param(cx18_first_minor, int, 0644);
119
120 module_param(enc_ts_buffers, int, 0644);
121 module_param(enc_mpg_buffers, int, 0644);
122 module_param(enc_idx_buffers, int, 0644);
123 module_param(enc_yuv_buffers, int, 0644);
124 module_param(enc_vbi_buffers, int, 0644);
125 module_param(enc_pcm_buffers, int, 0644);
126
127 module_param(enc_ts_bufsize, int, 0644);
128 module_param(enc_mpg_bufsize, int, 0644);
129 module_param(enc_idx_bufsize, int, 0644);
130 module_param(enc_yuv_bufsize, int, 0644);
131 /* VBI bufsize based on standards supported by card tuner for now */
132 module_param(enc_pcm_bufsize, int, 0644);
133
134 module_param(enc_ts_bufs, int, 0644);
135 module_param(enc_mpg_bufs, int, 0644);
136 module_param(enc_idx_bufs, int, 0644);
137 module_param(enc_yuv_bufs, int, 0644);
138 module_param(enc_vbi_bufs, int, 0644);
139 module_param(enc_pcm_bufs, int, 0644);
140
141 MODULE_PARM_DESC(tuner, "Tuner type selection,\n"
142                         "\t\t\tsee tuner.h for values");
143 MODULE_PARM_DESC(radio,
144                  "Enable or disable the radio. Use only if autodetection\n"
145                  "\t\t\tfails. 0 = disable, 1 = enable");
146 MODULE_PARM_DESC(cardtype,
147                  "Only use this option if your card is not detected properly.\n"
148                  "\t\tSpecify card type:\n"
149                  "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n"
150                  "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n"
151                  "\t\t\t 3 = Compro VideoMate H900\n"
152                  "\t\t\t 4 = Yuan MPC718\n"
153                  "\t\t\t 5 = Conexant Raptor PAL/SECAM\n"
154                  "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n"
155                  "\t\t\t 7 = Leadtek WinFast PVR2100\n"
156                  "\t\t\t 8 = Leadtek WinFast DVR3100 H\n"
157                  "\t\t\t 0 = Autodetect (default)\n"
158                  "\t\t\t-1 = Ignore this card\n\t\t");
159 MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60");
160 MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC");
161 MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K");
162 MODULE_PARM_DESC(debug,
163                  "Debug level (bitmask). Default: 0\n"
164                  "\t\t\t  1/0x0001: warning\n"
165                  "\t\t\t  2/0x0002: info\n"
166                  "\t\t\t  4/0x0004: mailbox\n"
167                  "\t\t\t  8/0x0008: dma\n"
168                  "\t\t\t 16/0x0010: ioctl\n"
169                  "\t\t\t 32/0x0020: file\n"
170                  "\t\t\t 64/0x0040: i2c\n"
171                  "\t\t\t128/0x0080: irq\n"
172                  "\t\t\t256/0x0100: high volume\n");
173 MODULE_PARM_DESC(cx18_pci_latency,
174                  "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
175                  "\t\t\tDefault: Yes");
176 MODULE_PARM_DESC(retry_mmio,
177                  "(Deprecated) MMIO writes are now always checked and retried\n"
178                  "\t\t\tEffectively: 1 [Yes]");
179 MODULE_PARM_DESC(mmio_ndelay,
180                  "(Deprecated) MMIO accesses are now never purposely delayed\n"
181                  "\t\t\tEffectively: 0 ns");
182 MODULE_PARM_DESC(enc_ts_buffers,
183                  "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n"
184                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS));
185 MODULE_PARM_DESC(enc_ts_bufsize,
186                  "Size of an encoder TS buffer (kB)\n"
187                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE));
188 MODULE_PARM_DESC(enc_ts_bufs,
189                  "Number of encoder TS buffers\n"
190                  "\t\t\tDefault is computed from other enc_ts_* parameters");
191 MODULE_PARM_DESC(enc_mpg_buffers,
192                  "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n"
193                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS));
194 MODULE_PARM_DESC(enc_mpg_bufsize,
195                  "Size of an encoder MPG buffer (kB)\n"
196                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE));
197 MODULE_PARM_DESC(enc_mpg_bufs,
198                  "Number of encoder MPG buffers\n"
199                  "\t\t\tDefault is computed from other enc_mpg_* parameters");
200 MODULE_PARM_DESC(enc_idx_buffers,
201                  "Encoder IDX buffer memory (MB). (enc_idx_bufs can override)\n"
202                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFFERS));
203 MODULE_PARM_DESC(enc_idx_bufsize,
204                  "Size of an encoder IDX buffer (kB)\n"
205                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFSIZE));
206 MODULE_PARM_DESC(enc_idx_bufs,
207                  "Number of encoder IDX buffers\n"
208                  "\t\t\tDefault is computed from other enc_idx_* parameters");
209 MODULE_PARM_DESC(enc_yuv_buffers,
210                  "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n"
211                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS));
212 MODULE_PARM_DESC(enc_yuv_bufsize,
213                  "Size of an encoder YUV buffer (kB)\n"
214                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFSIZE));
215 MODULE_PARM_DESC(enc_yuv_bufs,
216                  "Number of encoder YUV buffers\n"
217                  "\t\t\tDefault is computed from other enc_yuv_* parameters");
218 MODULE_PARM_DESC(enc_vbi_buffers,
219                  "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n"
220                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS));
221 MODULE_PARM_DESC(enc_vbi_bufs,
222                  "Number of encoder VBI buffers\n"
223                  "\t\t\tDefault is computed from enc_vbi_buffers & tuner std");
224 MODULE_PARM_DESC(enc_pcm_buffers,
225                  "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n"
226                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS));
227 MODULE_PARM_DESC(enc_pcm_bufsize,
228                  "Size of an encoder PCM buffer (kB)\n"
229                  "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE));
230 MODULE_PARM_DESC(enc_pcm_bufs,
231                  "Number of encoder PCM buffers\n"
232                  "\t\t\tDefault is computed from other enc_pcm_* parameters");
233
234 MODULE_PARM_DESC(cx18_first_minor, "Set device node number assigned to first card");
235
236 MODULE_AUTHOR("Hans Verkuil");
237 MODULE_DESCRIPTION("CX23418 driver");
238 MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder");
239 MODULE_LICENSE("GPL");
240
241 MODULE_VERSION(CX18_VERSION);
242
243 /* Generic utility functions */
244 int cx18_msleep_timeout(unsigned int msecs, int intr)
245 {
246         long int timeout = msecs_to_jiffies(msecs);
247         int sig;
248
249         do {
250                 set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
251                 timeout = schedule_timeout(timeout);
252                 sig = intr ? signal_pending(current) : 0;
253         } while (!sig && timeout);
254         return sig;
255 }
256
257 /* Release ioremapped memory */
258 static void cx18_iounmap(struct cx18 *cx)
259 {
260         if (cx == NULL)
261                 return;
262
263         /* Release io memory */
264         if (cx->enc_mem != NULL) {
265                 CX18_DEBUG_INFO("releasing enc_mem\n");
266                 iounmap(cx->enc_mem);
267                 cx->enc_mem = NULL;
268         }
269 }
270
271 static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len)
272 {
273         int i;
274
275         CX18_INFO("eeprom dump:\n");
276         for (i = 0; i < len; i++) {
277                 if (0 == (i % 16))
278                         CX18_INFO("eeprom %02x:", i);
279                 printk(KERN_CONT " %02x", eedata[i]);
280                 if (15 == (i % 16))
281                         printk(KERN_CONT "\n");
282         }
283 }
284
285 /* Hauppauge card? get values from tveeprom */
286 void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv)
287 {
288         struct i2c_client c;
289         u8 eedata[256];
290
291         memset(&c, 0, sizeof(c));
292         strlcpy(c.name, "cx18 tveeprom tmp", sizeof(c.name));
293         c.adapter = &cx->i2c_adap[0];
294         c.addr = 0xA0 >> 1;
295
296         memset(tv, 0, sizeof(*tv));
297         if (tveeprom_read(&c, eedata, sizeof(eedata)))
298                 return;
299
300         switch (cx->card->type) {
301         case CX18_CARD_HVR_1600_ESMT:
302         case CX18_CARD_HVR_1600_SAMSUNG:
303                 tveeprom_hauppauge_analog(&c, tv, eedata);
304                 break;
305         case CX18_CARD_YUAN_MPC718:
306                 tv->model = 0x718;
307                 cx18_eeprom_dump(cx, eedata, sizeof(eedata));
308                 CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n",
309                           eedata[2], eedata[1], eedata[4], eedata[3]);
310                 break;
311         default:
312                 tv->model = 0xffffffff;
313                 cx18_eeprom_dump(cx, eedata, sizeof(eedata));
314                 break;
315         }
316 }
317
318 static void cx18_process_eeprom(struct cx18 *cx)
319 {
320         struct tveeprom tv;
321
322         cx18_read_eeprom(cx, &tv);
323
324         /* Many thanks to Steven Toth from Hauppauge for providing the
325            model numbers */
326         /* Note: the Samsung memory models cannot be reliably determined
327            from the model number. Use the cardtype module option if you
328            have one of these preproduction models. */
329         switch (tv.model) {
330         case 74000 ... 74999:
331                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
332                 break;
333         case 0x718:
334                 return;
335         case 0xffffffff:
336                 CX18_INFO("Unknown EEPROM encoding\n");
337                 return;
338         case 0:
339                 CX18_ERR("Invalid EEPROM\n");
340                 return;
341         default:
342                 CX18_ERR("Unknown model %d, defaulting to HVR-1600\n", tv.model);
343                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
344                 break;
345         }
346
347         cx->v4l2_cap = cx->card->v4l2_capabilities;
348         cx->card_name = cx->card->name;
349         cx->card_i2c = cx->card->i2c;
350
351         CX18_INFO("Autodetected %s\n", cx->card_name);
352
353         if (tv.tuner_type == TUNER_ABSENT)
354                 CX18_ERR("tveeprom cannot autodetect tuner!\n");
355
356         if (cx->options.tuner == -1)
357                 cx->options.tuner = tv.tuner_type;
358         if (cx->options.radio == -1)
359                 cx->options.radio = (tv.has_radio != 0);
360
361         if (cx->std != 0)
362                 /* user specified tuner standard */
363                 return;
364
365         /* autodetect tuner standard */
366         if (tv.tuner_formats & V4L2_STD_PAL) {
367                 CX18_DEBUG_INFO("PAL tuner detected\n");
368                 cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
369         } else if (tv.tuner_formats & V4L2_STD_NTSC) {
370                 CX18_DEBUG_INFO("NTSC tuner detected\n");
371                 cx->std |= V4L2_STD_NTSC_M;
372         } else if (tv.tuner_formats & V4L2_STD_SECAM) {
373                 CX18_DEBUG_INFO("SECAM tuner detected\n");
374                 cx->std |= V4L2_STD_SECAM_L;
375         } else {
376                 CX18_INFO("No tuner detected, default to NTSC-M\n");
377                 cx->std |= V4L2_STD_NTSC_M;
378         }
379 }
380
381 static v4l2_std_id cx18_parse_std(struct cx18 *cx)
382 {
383         switch (pal[0]) {
384         case '6':
385                 return V4L2_STD_PAL_60;
386         case 'b':
387         case 'B':
388         case 'g':
389         case 'G':
390                 return V4L2_STD_PAL_BG;
391         case 'h':
392         case 'H':
393                 return V4L2_STD_PAL_H;
394         case 'n':
395         case 'N':
396                 if (pal[1] == 'c' || pal[1] == 'C')
397                         return V4L2_STD_PAL_Nc;
398                 return V4L2_STD_PAL_N;
399         case 'i':
400         case 'I':
401                 return V4L2_STD_PAL_I;
402         case 'd':
403         case 'D':
404         case 'k':
405         case 'K':
406                 return V4L2_STD_PAL_DK;
407         case 'M':
408         case 'm':
409                 return V4L2_STD_PAL_M;
410         case '-':
411                 break;
412         default:
413                 CX18_WARN("pal= argument not recognised\n");
414                 return 0;
415         }
416
417         switch (secam[0]) {
418         case 'b':
419         case 'B':
420         case 'g':
421         case 'G':
422         case 'h':
423         case 'H':
424                 return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
425         case 'd':
426         case 'D':
427         case 'k':
428         case 'K':
429                 return V4L2_STD_SECAM_DK;
430         case 'l':
431         case 'L':
432                 if (secam[1] == 'C' || secam[1] == 'c')
433                         return V4L2_STD_SECAM_LC;
434                 return V4L2_STD_SECAM_L;
435         case '-':
436                 break;
437         default:
438                 CX18_WARN("secam= argument not recognised\n");
439                 return 0;
440         }
441
442         switch (ntsc[0]) {
443         case 'm':
444         case 'M':
445                 return V4L2_STD_NTSC_M;
446         case 'j':
447         case 'J':
448                 return V4L2_STD_NTSC_M_JP;
449         case 'k':
450         case 'K':
451                 return V4L2_STD_NTSC_M_KR;
452         case '-':
453                 break;
454         default:
455                 CX18_WARN("ntsc= argument not recognised\n");
456                 return 0;
457         }
458
459         /* no match found */
460         return 0;
461 }
462
463 static void cx18_process_options(struct cx18 *cx)
464 {
465         int i, j;
466
467         cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers;
468         cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers;
469         cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers;
470         cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers;
471         cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers;
472         cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
473         cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */
474
475         cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs;
476         cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs;
477         cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs;
478         cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs;
479         cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs;
480         cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs;
481         cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */
482
483         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize;
484         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize;
485         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize;
486         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize;
487         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_active_samples * 36;
488         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize;
489         cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */
490
491         /* Ensure stream_buffers & stream_buf_size are valid */
492         for (i = 0; i < CX18_MAX_STREAMS; i++) {
493                 if (cx->stream_buffers[i] == 0 ||     /* User said 0 buffers */
494                     cx->options.megabytes[i] <= 0 ||  /* User said 0 MB total */
495                     cx->stream_buf_size[i] <= 0) {    /* User said buf size 0 */
496                         cx->options.megabytes[i] = 0;
497                         cx->stream_buffers[i] = 0;
498                         cx->stream_buf_size[i] = 0;
499                         continue;
500                 }
501                 /*
502                  * VBI is a special case where the stream_buf_size is fixed
503                  * and already in bytes
504                  */
505                 if (i == CX18_ENC_STREAM_TYPE_VBI) {
506                         if (cx->stream_buffers[i] < 0) {
507                                 cx->stream_buffers[i] =
508                                         cx->options.megabytes[i] * 1024 * 1024
509                                         / cx->stream_buf_size[i];
510                         } else {
511                                 /* N.B. This might round down to 0 */
512                                 cx->options.megabytes[i] =
513                                         cx->stream_buffers[i]
514                                         * cx->stream_buf_size[i]/(1024 * 1024);
515                         }
516                         continue;
517                 }
518                 /* All other streams have stream_buf_size in kB at this point */
519                 if (cx->stream_buffers[i] < 0) {
520                         cx->stream_buffers[i] = cx->options.megabytes[i] * 1024
521                                                 / cx->stream_buf_size[i];
522                 } else {
523                         /* N.B. This might round down to 0 */
524                         cx->options.megabytes[i] =
525                           cx->stream_buffers[i] * cx->stream_buf_size[i] / 1024;
526                 }
527                 cx->stream_buf_size[i] *= 1024; /* convert from kB to bytes */
528         }
529
530         cx->options.cardtype = cardtype[cx->instance];
531         cx->options.tuner = tuner[cx->instance];
532         cx->options.radio = radio[cx->instance];
533
534         cx->std = cx18_parse_std(cx);
535         if (cx->options.cardtype == -1) {
536                 CX18_INFO("Ignore card\n");
537                 return;
538         }
539         cx->card = cx18_get_card(cx->options.cardtype - 1);
540         if (cx->card)
541                 CX18_INFO("User specified %s card\n", cx->card->name);
542         else if (cx->options.cardtype != 0)
543                 CX18_ERR("Unknown user specified type, trying to autodetect card\n");
544         if (cx->card == NULL) {
545                 if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) {
546                         cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
547                         CX18_INFO("Autodetected Hauppauge card\n");
548                 }
549         }
550         if (cx->card == NULL) {
551                 for (i = 0; (cx->card = cx18_get_card(i)); i++) {
552                         if (cx->card->pci_list == NULL)
553                                 continue;
554                         for (j = 0; cx->card->pci_list[j].device; j++) {
555                                 if (cx->pci_dev->device !=
556                                     cx->card->pci_list[j].device)
557                                         continue;
558                                 if (cx->pci_dev->subsystem_vendor !=
559                                     cx->card->pci_list[j].subsystem_vendor)
560                                         continue;
561                                 if (cx->pci_dev->subsystem_device !=
562                                     cx->card->pci_list[j].subsystem_device)
563                                         continue;
564                                 CX18_INFO("Autodetected %s card\n", cx->card->name);
565                                 goto done;
566                         }
567                 }
568         }
569 done:
570
571         if (cx->card == NULL) {
572                 cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT);
573                 CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
574                          cx->pci_dev->vendor, cx->pci_dev->device);
575                 CX18_ERR("              subsystem vendor/device: [%04x:%04x]\n",
576                          cx->pci_dev->subsystem_vendor,
577                          cx->pci_dev->subsystem_device);
578                 CX18_ERR("Defaulting to %s card\n", cx->card->name);
579                 CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
580                 CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
581                 CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n");
582         }
583         cx->v4l2_cap = cx->card->v4l2_capabilities;
584         cx->card_name = cx->card->name;
585         cx->card_i2c = cx->card->i2c;
586 }
587
588 static int __devinit cx18_create_in_workq(struct cx18 *cx)
589 {
590         snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in",
591                  cx->v4l2_dev.name);
592         cx->in_work_queue = create_singlethread_workqueue(cx->in_workq_name);
593         if (cx->in_work_queue == NULL) {
594                 CX18_ERR("Unable to create incoming mailbox handler thread\n");
595                 return -ENOMEM;
596         }
597         return 0;
598 }
599
600 static int __devinit cx18_create_out_workq(struct cx18 *cx)
601 {
602         snprintf(cx->out_workq_name, sizeof(cx->out_workq_name), "%s-out",
603                  cx->v4l2_dev.name);
604         cx->out_work_queue = create_workqueue(cx->out_workq_name);
605         if (cx->out_work_queue == NULL) {
606                 CX18_ERR("Unable to create outgoing mailbox handler threads\n");
607                 return -ENOMEM;
608         }
609         return 0;
610 }
611
612 static void __devinit cx18_init_in_work_orders(struct cx18 *cx)
613 {
614         int i;
615         for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) {
616                 cx->in_work_order[i].cx = cx;
617                 cx->in_work_order[i].str = cx->epu_debug_str;
618                 INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler);
619         }
620 }
621
622 /* Precondition: the cx18 structure has been memset to 0. Only
623    the dev and instance fields have been filled in.
624    No assumptions on the card type may be made here (see cx18_init_struct2
625    for that).
626  */
627 static int __devinit cx18_init_struct1(struct cx18 *cx)
628 {
629         int ret;
630
631         cx->base_addr = pci_resource_start(cx->pci_dev, 0);
632
633         mutex_init(&cx->serialize_lock);
634         mutex_init(&cx->gpio_lock);
635         mutex_init(&cx->epu2apu_mb_lock);
636         mutex_init(&cx->epu2cpu_mb_lock);
637
638         ret = cx18_create_out_workq(cx);
639         if (ret)
640                 return ret;
641
642         ret = cx18_create_in_workq(cx);
643         if (ret) {
644                 destroy_workqueue(cx->out_work_queue);
645                 return ret;
646         }
647
648         cx18_init_in_work_orders(cx);
649
650         /* start counting open_id at 1 */
651         cx->open_id = 1;
652
653         /* Initial settings */
654         cx2341x_fill_defaults(&cx->params);
655         cx->temporal_strength = cx->params.video_temporal_filter;
656         cx->spatial_strength = cx->params.video_spatial_filter;
657         cx->filter_mode = cx->params.video_spatial_filter_mode |
658                 (cx->params.video_temporal_filter_mode << 1) |
659                 (cx->params.video_median_filter_type << 2);
660         cx->params.port = CX2341X_PORT_MEMORY;
661         cx->params.capabilities =
662                                 CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI;
663         init_waitqueue_head(&cx->cap_w);
664         init_waitqueue_head(&cx->mb_apu_waitq);
665         init_waitqueue_head(&cx->mb_cpu_waitq);
666         init_waitqueue_head(&cx->dma_waitq);
667
668         /* VBI */
669         cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
670         cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced;
671
672         return 0;
673 }
674
675 /* Second initialization part. Here the card type has been
676    autodetected. */
677 static void __devinit cx18_init_struct2(struct cx18 *cx)
678 {
679         int i;
680
681         for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++)
682                 if (cx->card->video_inputs[i].video_type == 0)
683                         break;
684         cx->nof_inputs = i;
685         for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++)
686                 if (cx->card->audio_inputs[i].audio_type == 0)
687                         break;
688         cx->nof_audio_inputs = i;
689
690         /* Find tuner input */
691         for (i = 0; i < cx->nof_inputs; i++) {
692                 if (cx->card->video_inputs[i].video_type ==
693                                 CX18_CARD_INPUT_VID_TUNER)
694                         break;
695         }
696         if (i == cx->nof_inputs)
697                 i = 0;
698         cx->active_input = i;
699         cx->audio_input = cx->card->video_inputs[i].audio_index;
700 }
701
702 static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
703                           const struct pci_device_id *pci_id)
704 {
705         u16 cmd;
706         unsigned char pci_latency;
707
708         CX18_DEBUG_INFO("Enabling pci device\n");
709
710         if (pci_enable_device(pci_dev)) {
711                 CX18_ERR("Can't enable device %d!\n", cx->instance);
712                 return -EIO;
713         }
714         if (pci_set_dma_mask(pci_dev, 0xffffffff)) {
715                 CX18_ERR("No suitable DMA available, card %d\n", cx->instance);
716                 return -EIO;
717         }
718         if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) {
719                 CX18_ERR("Cannot request encoder memory region, card %d\n",
720                          cx->instance);
721                 return -EIO;
722         }
723
724         /* Enable bus mastering and memory mapped IO for the CX23418 */
725         pci_read_config_word(pci_dev, PCI_COMMAND, &cmd);
726         cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
727         pci_write_config_word(pci_dev, PCI_COMMAND, cmd);
728
729         pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cx->card_rev);
730         pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
731
732         if (pci_latency < 64 && cx18_pci_latency) {
733                 CX18_INFO("Unreasonably low latency timer, "
734                                "setting to 64 (was %d)\n", pci_latency);
735                 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64);
736                 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency);
737         }
738
739         CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, "
740                    "irq: %d, latency: %d, memory: 0x%lx\n",
741                    cx->pci_dev->device, cx->card_rev, pci_dev->bus->number,
742                    PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn),
743                    cx->pci_dev->irq, pci_latency, (unsigned long)cx->base_addr);
744
745         return 0;
746 }
747
748 static void cx18_init_subdevs(struct cx18 *cx)
749 {
750         u32 hw = cx->card->hw_all;
751         u32 device;
752         int i;
753
754         for (i = 0, device = 1; i < 32; i++, device <<= 1) {
755
756                 if (!(device & hw))
757                         continue;
758
759                 switch (device) {
760                 case CX18_HW_DVB:
761                 case CX18_HW_TVEEPROM:
762                         /* These subordinate devices do not use probing */
763                         cx->hw_flags |= device;
764                         break;
765                 case CX18_HW_418_AV:
766                         /* The A/V decoder gets probed earlier to set PLLs */
767                         /* Just note that the card uses it (i.e. has analog) */
768                         cx->hw_flags |= device;
769                         break;
770                 case CX18_HW_GPIO_RESET_CTRL:
771                         /*
772                          * The Reset Controller gets probed and added to
773                          * hw_flags earlier for i2c adapter/bus initialization
774                          */
775                         break;
776                 case CX18_HW_GPIO_MUX:
777                         if (cx18_gpio_register(cx, device) == 0)
778                                 cx->hw_flags |= device;
779                         break;
780                 default:
781                         if (cx18_i2c_register(cx, i) == 0)
782                                 cx->hw_flags |= device;
783                         break;
784                 }
785         }
786
787         if (cx->hw_flags & CX18_HW_418_AV)
788                 cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV);
789
790         if (cx->card->hw_muxer != 0)
791                 cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer);
792 }
793
794 static int __devinit cx18_probe(struct pci_dev *pci_dev,
795                                 const struct pci_device_id *pci_id)
796 {
797         int retval = 0;
798         int i;
799         u32 devtype;
800         struct cx18 *cx;
801
802         /* FIXME - module parameter arrays constrain max instances */
803         i = atomic_inc_return(&cx18_instance) - 1;
804         if (i >= CX18_MAX_CARDS) {
805                 printk(KERN_ERR "cx18: cannot manage card %d, driver has a "
806                        "limit of 0 - %d\n", i, CX18_MAX_CARDS - 1);
807                 return -ENOMEM;
808         }
809
810         cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
811         if (cx == NULL) {
812                 printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n",
813                        i);
814                 return -ENOMEM;
815         }
816         cx->pci_dev = pci_dev;
817         cx->instance = i;
818
819         retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev);
820         if (retval) {
821                 printk(KERN_ERR "cx18: v4l2_device_register of card %d failed"
822                        "\n", cx->instance);
823                 kfree(cx);
824                 return retval;
825         }
826         snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d",
827                  cx->instance);
828         CX18_INFO("Initializing card %d\n", cx->instance);
829
830         cx18_process_options(cx);
831         if (cx->options.cardtype == -1) {
832                 retval = -ENODEV;
833                 goto err;
834         }
835
836         retval = cx18_init_struct1(cx);
837         if (retval)
838                 goto err;
839
840         CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr);
841
842         /* PCI Device Setup */
843         retval = cx18_setup_pci(cx, pci_dev, pci_id);
844         if (retval != 0)
845                 goto free_workqueues;
846
847         /* map io memory */
848         CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n",
849                    cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE);
850         cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET,
851                                        CX18_MEM_SIZE);
852         if (!cx->enc_mem) {
853                 CX18_ERR("ioremap failed, perhaps increasing __VMALLOC_RESERVE in page.h\n");
854                 CX18_ERR("or disabling CONFIG_HIGHMEM4G into the kernel would help\n");
855                 retval = -ENOMEM;
856                 goto free_mem;
857         }
858         cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET;
859         devtype = cx18_read_reg(cx, 0xC72028);
860         switch (devtype & 0xff000000) {
861         case 0xff000000:
862                 CX18_INFO("cx23418 revision %08x (A)\n", devtype);
863                 break;
864         case 0x01000000:
865                 CX18_INFO("cx23418 revision %08x (B)\n", devtype);
866                 break;
867         default:
868                 CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype);
869                 break;
870         }
871
872         cx18_init_power(cx, 1);
873         cx18_init_memory(cx);
874
875         cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET);
876         cx18_init_scb(cx);
877
878         cx18_gpio_init(cx);
879
880         /* Initialize integrated A/V decoder early to set PLLs, just in case */
881         retval = cx18_av_probe(cx);
882         if (retval) {
883                 CX18_ERR("Could not register A/V decoder subdevice\n");
884                 goto free_map;
885         }
886         cx18_call_hw(cx, CX18_HW_418_AV, core, init, 0);
887
888         /* Initialize GPIO Reset Controller to do chip resets during i2c init */
889         if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) {
890                 if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0)
891                         CX18_WARN("Could not register GPIO reset controller"
892                                   "subdevice; proceeding anyway.\n");
893                 else
894                         cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL;
895         }
896
897         /* active i2c  */
898         CX18_DEBUG_INFO("activating i2c...\n");
899         retval = init_cx18_i2c(cx);
900         if (retval) {
901                 CX18_ERR("Could not initialize i2c\n");
902                 goto free_map;
903         }
904
905         if (cx->card->hw_all & CX18_HW_TVEEPROM) {
906                 /* Based on the model number the cardtype may be changed.
907                    The PCI IDs are not always reliable. */
908                 cx18_process_eeprom(cx);
909         }
910         if (cx->card->comment)
911                 CX18_INFO("%s", cx->card->comment);
912         if (cx->card->v4l2_capabilities == 0) {
913                 retval = -ENODEV;
914                 goto free_i2c;
915         }
916         cx18_init_memory(cx);
917         cx18_init_scb(cx);
918
919         /* Register IRQ */
920         retval = request_irq(cx->pci_dev->irq, cx18_irq_handler,
921                              IRQF_SHARED | IRQF_DISABLED,
922                              cx->v4l2_dev.name, (void *)cx);
923         if (retval) {
924                 CX18_ERR("Failed to register irq %d\n", retval);
925                 goto free_i2c;
926         }
927
928         if (cx->std == 0)
929                 cx->std = V4L2_STD_NTSC_M;
930
931         if (cx->options.tuner == -1) {
932                 for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
933                         if ((cx->std & cx->card->tuners[i].std) == 0)
934                                 continue;
935                         cx->options.tuner = cx->card->tuners[i].tuner;
936                         break;
937                 }
938         }
939         /* if no tuner was found, then pick the first tuner in the card list */
940         if (cx->options.tuner == -1 && cx->card->tuners[0].std) {
941                 cx->std = cx->card->tuners[0].std;
942                 if (cx->std & V4L2_STD_PAL)
943                         cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
944                 else if (cx->std & V4L2_STD_NTSC)
945                         cx->std = V4L2_STD_NTSC_M;
946                 else if (cx->std & V4L2_STD_SECAM)
947                         cx->std = V4L2_STD_SECAM_L;
948                 cx->options.tuner = cx->card->tuners[0].tuner;
949         }
950         if (cx->options.radio == -1)
951                 cx->options.radio = (cx->card->radio_input.audio_type != 0);
952
953         /* The card is now fully identified, continue with card-specific
954            initialization. */
955         cx18_init_struct2(cx);
956
957         cx18_init_subdevs(cx);
958
959         if (cx->std & V4L2_STD_525_60)
960                 cx->is_60hz = 1;
961         else
962                 cx->is_50hz = 1;
963
964         cx->params.video_gop_size = cx->is_60hz ? 15 : 12;
965
966         if (cx->options.radio > 0)
967                 cx->v4l2_cap |= V4L2_CAP_RADIO;
968
969         if (cx->options.tuner > -1) {
970                 struct tuner_setup setup;
971
972                 setup.addr = ADDR_UNSET;
973                 setup.type = cx->options.tuner;
974                 setup.mode_mask = T_ANALOG_TV;  /* matches TV tuners */
975                 setup.tuner_callback = (setup.type == TUNER_XC2028) ?
976                         cx18_reset_tuner_gpio : NULL;
977                 cx18_call_all(cx, tuner, s_type_addr, &setup);
978                 if (setup.type == TUNER_XC2028) {
979                         static struct xc2028_ctrl ctrl = {
980                                 .fname = XC2028_DEFAULT_FIRMWARE,
981                                 .max_len = 64,
982                         };
983                         struct v4l2_priv_tun_config cfg = {
984                                 .tuner = cx->options.tuner,
985                                 .priv = &ctrl,
986                         };
987                         cx18_call_all(cx, tuner, s_config, &cfg);
988                 }
989         }
990
991         /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
992            are not. */
993         cx->tuner_std = cx->std;
994
995         retval = cx18_streams_setup(cx);
996         if (retval) {
997                 CX18_ERR("Error %d setting up streams\n", retval);
998                 goto free_irq;
999         }
1000         retval = cx18_streams_register(cx);
1001         if (retval) {
1002                 CX18_ERR("Error %d registering devices\n", retval);
1003                 goto free_streams;
1004         }
1005
1006         CX18_INFO("Initialized card: %s\n", cx->card_name);
1007         return 0;
1008
1009 free_streams:
1010         cx18_streams_cleanup(cx, 1);
1011 free_irq:
1012         free_irq(cx->pci_dev->irq, (void *)cx);
1013 free_i2c:
1014         exit_cx18_i2c(cx);
1015 free_map:
1016         cx18_iounmap(cx);
1017 free_mem:
1018         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1019 free_workqueues:
1020         destroy_workqueue(cx->in_work_queue);
1021         destroy_workqueue(cx->out_work_queue);
1022 err:
1023         if (retval == 0)
1024                 retval = -ENODEV;
1025         CX18_ERR("Error %d on initialization\n", retval);
1026
1027         v4l2_device_unregister(&cx->v4l2_dev);
1028         kfree(cx);
1029         return retval;
1030 }
1031
1032 int cx18_init_on_first_open(struct cx18 *cx)
1033 {
1034         int video_input;
1035         int fw_retry_count = 3;
1036         struct v4l2_frequency vf;
1037         struct cx18_open_id fh;
1038
1039         fh.cx = cx;
1040
1041         if (test_bit(CX18_F_I_FAILED, &cx->i_flags))
1042                 return -ENXIO;
1043
1044         if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags))
1045                 return 0;
1046
1047         while (--fw_retry_count > 0) {
1048                 /* load firmware */
1049                 if (cx18_firmware_init(cx) == 0)
1050                         break;
1051                 if (fw_retry_count > 1)
1052                         CX18_WARN("Retry loading firmware\n");
1053         }
1054
1055         if (fw_retry_count == 0) {
1056                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1057                 return -ENXIO;
1058         }
1059         set_bit(CX18_F_I_LOADED_FW, &cx->i_flags);
1060
1061         /*
1062          * Init the firmware twice to work around a silicon bug
1063          * with the digital TS.
1064          *
1065          * The second firmware load requires us to normalize the APU state,
1066          * or the audio for the first analog capture will be badly incorrect.
1067          *
1068          * I can't seem to call APU_RESETAI and have it succeed without the
1069          * APU capturing audio, so we start and stop it here to do the reset
1070          */
1071
1072         /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1073         cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1074         cx18_vapi(cx, CX18_APU_RESETAI, 0);
1075         cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1076
1077         fw_retry_count = 3;
1078         while (--fw_retry_count > 0) {
1079                 /* load firmware */
1080                 if (cx18_firmware_init(cx) == 0)
1081                         break;
1082                 if (fw_retry_count > 1)
1083                         CX18_WARN("Retry loading firmware\n");
1084         }
1085
1086         if (fw_retry_count == 0) {
1087                 set_bit(CX18_F_I_FAILED, &cx->i_flags);
1088                 return -ENXIO;
1089         }
1090
1091         /*
1092          * The second firmware load requires us to normalize the APU state,
1093          * or the audio for the first analog capture will be badly incorrect.
1094          *
1095          * I can't seem to call APU_RESETAI and have it succeed without the
1096          * APU capturing audio, so we start and stop it here to do the reset
1097          */
1098
1099         /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */
1100         cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0);
1101         cx18_vapi(cx, CX18_APU_RESETAI, 0);
1102         cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG);
1103
1104         /* Init the A/V decoder, if it hasn't been already */
1105         v4l2_subdev_call(cx->sd_av, core, load_fw);
1106
1107         vf.tuner = 0;
1108         vf.type = V4L2_TUNER_ANALOG_TV;
1109         vf.frequency = 6400; /* the tuner 'baseline' frequency */
1110
1111         /* Set initial frequency. For PAL/SECAM broadcasts no
1112            'default' channel exists AFAIK. */
1113         if (cx->std == V4L2_STD_NTSC_M_JP)
1114                 vf.frequency = 1460;    /* ch. 1 91250*16/1000 */
1115         else if (cx->std & V4L2_STD_NTSC_M)
1116                 vf.frequency = 1076;    /* ch. 4 67250*16/1000 */
1117
1118         video_input = cx->active_input;
1119         cx->active_input++;     /* Force update of input */
1120         cx18_s_input(NULL, &fh, video_input);
1121
1122         /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
1123            in one place. */
1124         cx->std++;              /* Force full standard initialization */
1125         cx18_s_std(NULL, &fh, &cx->tuner_std);
1126         cx18_s_frequency(NULL, &fh, &vf);
1127         return 0;
1128 }
1129
1130 static void cx18_cancel_in_work_orders(struct cx18 *cx)
1131 {
1132         int i;
1133         for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++)
1134                 cancel_work_sync(&cx->in_work_order[i].work);
1135 }
1136
1137 static void cx18_cancel_out_work_orders(struct cx18 *cx)
1138 {
1139         int i;
1140         for (i = 0; i < CX18_MAX_STREAMS; i++)
1141                 if (&cx->streams[i].video_dev != NULL)
1142                         cancel_work_sync(&cx->streams[i].out_work_order);
1143 }
1144
1145 static void cx18_remove(struct pci_dev *pci_dev)
1146 {
1147         struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1148         struct cx18 *cx = to_cx18(v4l2_dev);
1149         int i;
1150
1151         CX18_DEBUG_INFO("Removing Card\n");
1152
1153         /* Stop all captures */
1154         CX18_DEBUG_INFO("Stopping all streams\n");
1155         if (atomic_read(&cx->tot_capturing) > 0)
1156                 cx18_stop_all_captures(cx);
1157
1158         /* Stop interrupts that cause incoming work to be queued */
1159         cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU);
1160
1161         /* Incoming work can cause outgoing work, so clean up incoming first */
1162         cx18_cancel_in_work_orders(cx);
1163         cx18_cancel_out_work_orders(cx);
1164
1165         /* Stop ack interrupts that may have been needed for work to finish */
1166         cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK);
1167
1168         cx18_halt_firmware(cx);
1169
1170         destroy_workqueue(cx->in_work_queue);
1171         destroy_workqueue(cx->out_work_queue);
1172
1173         cx18_streams_cleanup(cx, 1);
1174
1175         exit_cx18_i2c(cx);
1176
1177         free_irq(cx->pci_dev->irq, (void *)cx);
1178
1179         cx18_iounmap(cx);
1180
1181         release_mem_region(cx->base_addr, CX18_MEM_SIZE);
1182
1183         pci_disable_device(cx->pci_dev);
1184
1185         if (cx->vbi.sliced_mpeg_data[0] != NULL)
1186                 for (i = 0; i < CX18_VBI_FRAMES; i++)
1187                         kfree(cx->vbi.sliced_mpeg_data[i]);
1188
1189         CX18_INFO("Removed %s\n", cx->card_name);
1190
1191         v4l2_device_unregister(v4l2_dev);
1192         kfree(cx);
1193 }
1194
1195 /* define a pci_driver for card detection */
1196 static struct pci_driver cx18_pci_driver = {
1197       .name =     "cx18",
1198       .id_table = cx18_pci_tbl,
1199       .probe =    cx18_probe,
1200       .remove =   cx18_remove,
1201 };
1202
1203 static int module_start(void)
1204 {
1205         printk(KERN_INFO "cx18:  Start initialization, version %s\n", CX18_VERSION);
1206
1207         /* Validate parameters */
1208         if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {
1209                 printk(KERN_ERR "cx18:  Exiting, cx18_first_minor must be between 0 and %d\n",
1210                      CX18_MAX_CARDS - 1);
1211                 return -1;
1212         }
1213
1214         if (cx18_debug < 0 || cx18_debug > 511) {
1215                 cx18_debug = 0;
1216                 printk(KERN_INFO "cx18:   Debug value must be >= 0 and <= 511!\n");
1217         }
1218
1219         if (pci_register_driver(&cx18_pci_driver)) {
1220                 printk(KERN_ERR "cx18:   Error detecting PCI card\n");
1221                 return -ENODEV;
1222         }
1223         printk(KERN_INFO "cx18:  End initialization\n");
1224         return 0;
1225 }
1226
1227 static void module_cleanup(void)
1228 {
1229         pci_unregister_driver(&cx18_pci_driver);
1230 }
1231
1232 module_init(module_start);
1233 module_exit(module_cleanup);