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[media] cx231xx: remove board specific initialization
[linux-2.6/btrfs-unstable.git] / drivers / media / video / cx231xx / cx231xx-cards.c
blob4e63c194df01fb220457da9f483e6788e5ba8067
1 /*
2 cx231xx-cards.c - driver for Conexant Cx23100/101/102
3 USB video capture devices
4
5 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
6 Based on em28xx driver
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include <linux/init.h>
24 #include <linux/module.h>
25 #include <linux/slab.h>
26 #include <linux/delay.h>
27 #include <linux/i2c.h>
28 #include <linux/usb.h>
29 #include <media/tuner.h>
30 #include <media/tveeprom.h>
31 #include <media/v4l2-common.h>
32 #include <media/v4l2-chip-ident.h>
33
34 #include <media/cx25840.h>
35 #include "dvb-usb-ids.h"
36 #include "xc5000.h"
37
38 #include "cx231xx.h"
39
40 static int tuner = -1;
41 module_param(tuner, int, 0444);
42 MODULE_PARM_DESC(tuner, "tuner type");
43
44 static int transfer_mode = 1;
45 module_param(transfer_mode, int, 0444);
46 MODULE_PARM_DESC(transfer_mode, "transfer mode (1-ISO or 0-BULK)");
47
48 static unsigned int disable_ir;
49 module_param(disable_ir, int, 0444);
50 MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
51
52 /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */
53 static unsigned long cx231xx_devused;
54
55 /*
56 * Reset sequences for analog/digital modes
57 */
58
59 static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = {
60 {0x03, 0x01, 10},
61 {0x03, 0x00, 30},
62 {0x03, 0x01, 10},
63 {-1, -1, -1},
64 };
65
66 /*
67 * Board definitions
68 */
69 struct cx231xx_board cx231xx_boards[] = {
70 [CX231XX_BOARD_UNKNOWN] = {
71 .name = "Unknown CX231xx video grabber",
72 .tuner_type = TUNER_ABSENT,
73 .input = {{
74 .type = CX231XX_VMUX_TELEVISION,
75 .vmux = CX231XX_VIN_3_1,
76 .amux = CX231XX_AMUX_VIDEO,
77 .gpio = NULL,
78 }, {
79 .type = CX231XX_VMUX_COMPOSITE1,
80 .vmux = CX231XX_VIN_2_1,
81 .amux = CX231XX_AMUX_LINE_IN,
82 .gpio = NULL,
83 }, {
84 .type = CX231XX_VMUX_SVIDEO,
85 .vmux = CX231XX_VIN_1_1 |
86 (CX231XX_VIN_1_2 << 8) |
87 CX25840_SVIDEO_ON,
88 .amux = CX231XX_AMUX_LINE_IN,
89 .gpio = NULL,
90 }
91 },
92 },
93 [CX231XX_BOARD_CNXT_CARRAERA] = {
94 .name = "Conexant Hybrid TV - CARRAERA",
95 .tuner_type = TUNER_XC5000,
96 .tuner_addr = 0x61,
97 .tuner_gpio = RDE250_XCV_TUNER,
98 .tuner_sif_gpio = 0x05,
99 .tuner_scl_gpio = 0x1a,
100 .tuner_sda_gpio = 0x1b,
101 .decoder = CX231XX_AVDECODER,
102 .demod_xfer_mode = 0,
103 .ctl_pin_status_mask = 0xFFFFFFC4,
104 .agc_analog_digital_select_gpio = 0x0c,
105 .gpio_pin_status_mask = 0x4001000,
106 .tuner_i2c_master = 1,
107 .demod_i2c_master = 2,
108 .has_dvb = 1,
109 .demod_addr = 0x02,
110 .norm = V4L2_STD_PAL,
111
112 .input = {{
113 .type = CX231XX_VMUX_TELEVISION,
114 .vmux = CX231XX_VIN_3_1,
115 .amux = CX231XX_AMUX_VIDEO,
116 .gpio = NULL,
117 }, {
118 .type = CX231XX_VMUX_COMPOSITE1,
119 .vmux = CX231XX_VIN_2_1,
120 .amux = CX231XX_AMUX_LINE_IN,
121 .gpio = NULL,
122 }, {
123 .type = CX231XX_VMUX_SVIDEO,
124 .vmux = CX231XX_VIN_1_1 |
125 (CX231XX_VIN_1_2 << 8) |
126 CX25840_SVIDEO_ON,
127 .amux = CX231XX_AMUX_LINE_IN,
128 .gpio = NULL,
129 }
130 },
131 },
132 [CX231XX_BOARD_CNXT_SHELBY] = {
133 .name = "Conexant Hybrid TV - SHELBY",
134 .tuner_type = TUNER_XC5000,
135 .tuner_addr = 0x61,
136 .tuner_gpio = RDE250_XCV_TUNER,
137 .tuner_sif_gpio = 0x05,
138 .tuner_scl_gpio = 0x1a,
139 .tuner_sda_gpio = 0x1b,
140 .decoder = CX231XX_AVDECODER,
141 .demod_xfer_mode = 0,
142 .ctl_pin_status_mask = 0xFFFFFFC4,
143 .agc_analog_digital_select_gpio = 0x0c,
144 .gpio_pin_status_mask = 0x4001000,
145 .tuner_i2c_master = 1,
146 .demod_i2c_master = 2,
147 .has_dvb = 1,
148 .demod_addr = 0x32,
149 .norm = V4L2_STD_NTSC,
150
151 .input = {{
152 .type = CX231XX_VMUX_TELEVISION,
153 .vmux = CX231XX_VIN_3_1,
154 .amux = CX231XX_AMUX_VIDEO,
155 .gpio = NULL,
156 }, {
157 .type = CX231XX_VMUX_COMPOSITE1,
158 .vmux = CX231XX_VIN_2_1,
159 .amux = CX231XX_AMUX_LINE_IN,
160 .gpio = NULL,
161 }, {
162 .type = CX231XX_VMUX_SVIDEO,
163 .vmux = CX231XX_VIN_1_1 |
164 (CX231XX_VIN_1_2 << 8) |
165 CX25840_SVIDEO_ON,
166 .amux = CX231XX_AMUX_LINE_IN,
167 .gpio = NULL,
168 }
169 },
170 },
171 [CX231XX_BOARD_CNXT_RDE_253S] = {
172 .name = "Conexant Hybrid TV - RDE253S",
173 .tuner_type = TUNER_NXP_TDA18271,
174 .tuner_addr = 0x60,
175 .tuner_gpio = RDE250_XCV_TUNER,
176 .tuner_sif_gpio = 0x05,
177 .tuner_scl_gpio = 0x1a,
178 .tuner_sda_gpio = 0x1b,
179 .decoder = CX231XX_AVDECODER,
180 .demod_xfer_mode = 0,
181 .ctl_pin_status_mask = 0xFFFFFFC4,
182 .agc_analog_digital_select_gpio = 0x1c,
183 .gpio_pin_status_mask = 0x4001000,
184 .tuner_i2c_master = 1,
185 .demod_i2c_master = 2,
186 .has_dvb = 1,
187 .demod_addr = 0x02,
188 .norm = V4L2_STD_PAL,
189
190 .input = {{
191 .type = CX231XX_VMUX_TELEVISION,
192 .vmux = CX231XX_VIN_3_1,
193 .amux = CX231XX_AMUX_VIDEO,
194 .gpio = NULL,
195 }, {
196 .type = CX231XX_VMUX_COMPOSITE1,
197 .vmux = CX231XX_VIN_2_1,
198 .amux = CX231XX_AMUX_LINE_IN,
199 .gpio = NULL,
200 }, {
201 .type = CX231XX_VMUX_SVIDEO,
202 .vmux = CX231XX_VIN_1_1 |
203 (CX231XX_VIN_1_2 << 8) |
204 CX25840_SVIDEO_ON,
205 .amux = CX231XX_AMUX_LINE_IN,
206 .gpio = NULL,
207 }
208 },
209 },
210
211 [CX231XX_BOARD_CNXT_RDU_253S] = {
212 .name = "Conexant Hybrid TV - RDU253S",
213 .tuner_type = TUNER_NXP_TDA18271,
214 .tuner_addr = 0x60,
215 .tuner_gpio = RDE250_XCV_TUNER,
216 .tuner_sif_gpio = 0x05,
217 .tuner_scl_gpio = 0x1a,
218 .tuner_sda_gpio = 0x1b,
219 .decoder = CX231XX_AVDECODER,
220 .demod_xfer_mode = 0,
221 .ctl_pin_status_mask = 0xFFFFFFC4,
222 .agc_analog_digital_select_gpio = 0x1c,
223 .gpio_pin_status_mask = 0x4001000,
224 .tuner_i2c_master = 1,
225 .demod_i2c_master = 2,
226 .has_dvb = 1,
227 .demod_addr = 0x02,
228 .norm = V4L2_STD_PAL,
229
230 .input = {{
231 .type = CX231XX_VMUX_TELEVISION,
232 .vmux = CX231XX_VIN_3_1,
233 .amux = CX231XX_AMUX_VIDEO,
234 .gpio = NULL,
235 }, {
236 .type = CX231XX_VMUX_COMPOSITE1,
237 .vmux = CX231XX_VIN_2_1,
238 .amux = CX231XX_AMUX_LINE_IN,
239 .gpio = NULL,
240 }, {
241 .type = CX231XX_VMUX_SVIDEO,
242 .vmux = CX231XX_VIN_1_1 |
243 (CX231XX_VIN_1_2 << 8) |
244 CX25840_SVIDEO_ON,
245 .amux = CX231XX_AMUX_LINE_IN,
246 .gpio = NULL,
247 }
248 },
249 },
250 [CX231XX_BOARD_CNXT_VIDEO_GRABBER] = {
251 .name = "Conexant VIDEO GRABBER",
252 .tuner_type = TUNER_NXP_TDA18271,
253 .tuner_addr = 0x60,
254 .tuner_gpio = RDE250_XCV_TUNER,
255 .tuner_sif_gpio = 0x05,
256 .tuner_scl_gpio = 0x1a,
257 .tuner_sda_gpio = 0x1b,
258 .decoder = CX231XX_AVDECODER,
259 .demod_xfer_mode = 0,
260 .ctl_pin_status_mask = 0xFFFFFFC4,
261 .agc_analog_digital_select_gpio = 0x1c,
262 .gpio_pin_status_mask = 0x4001000,
263 .tuner_i2c_master = 1,
264 .demod_i2c_master = 2,
265 .has_dvb = 0,
266 .demod_addr = 0x02,
267 .norm = V4L2_STD_PAL,
268
269 .input = {{
270 .type = CX231XX_VMUX_COMPOSITE1,
271 .vmux = CX231XX_VIN_2_1,
272 .amux = CX231XX_AMUX_LINE_IN,
273 .gpio = NULL,
274 }, {
275 .type = CX231XX_VMUX_SVIDEO,
276 .vmux = CX231XX_VIN_1_1 |
277 (CX231XX_VIN_1_2 << 8) |
278 CX25840_SVIDEO_ON,
279 .amux = CX231XX_AMUX_LINE_IN,
280 .gpio = NULL,
281 }, {
282 .type = CX231XX_VMUX_TELEVISION,
283 .vmux = CX231XX_VIN_3_1,
284 .amux = CX231XX_AMUX_VIDEO,
285 .gpio = NULL,
286 }
287 },
288 },
289 [CX231XX_BOARD_CNXT_RDE_250] = {
290 .name = "Conexant Hybrid TV - rde 250",
291 .tuner_type = TUNER_XC5000,
292 .tuner_addr = 0x61,
293 .tuner_gpio = RDE250_XCV_TUNER,
294 .tuner_sif_gpio = 0x05,
295 .tuner_scl_gpio = 0x1a,
296 .tuner_sda_gpio = 0x1b,
297 .decoder = CX231XX_AVDECODER,
298 .demod_xfer_mode = 0,
299 .ctl_pin_status_mask = 0xFFFFFFC4,
300 .agc_analog_digital_select_gpio = 0x0c,
301 .gpio_pin_status_mask = 0x4001000,
302 .tuner_i2c_master = 1,
303 .demod_i2c_master = 2,
304 .has_dvb = 1,
305 .demod_addr = 0x02,
306 .norm = V4L2_STD_PAL,
307
308 .input = {{
309 .type = CX231XX_VMUX_TELEVISION,
310 .vmux = CX231XX_VIN_2_1,
311 .amux = CX231XX_AMUX_VIDEO,
312 .gpio = NULL,
313 }
314 },
315 },
316 [CX231XX_BOARD_CNXT_RDU_250] = {
317 .name = "Conexant Hybrid TV - RDU 250",
318 .tuner_type = TUNER_XC5000,
319 .tuner_addr = 0x61,
320 .tuner_gpio = RDE250_XCV_TUNER,
321 .tuner_sif_gpio = 0x05,
322 .tuner_scl_gpio = 0x1a,
323 .tuner_sda_gpio = 0x1b,
324 .decoder = CX231XX_AVDECODER,
325 .demod_xfer_mode = 0,
326 .ctl_pin_status_mask = 0xFFFFFFC4,
327 .agc_analog_digital_select_gpio = 0x0c,
328 .gpio_pin_status_mask = 0x4001000,
329 .tuner_i2c_master = 1,
330 .demod_i2c_master = 2,
331 .has_dvb = 1,
332 .demod_addr = 0x32,
333 .norm = V4L2_STD_NTSC,
334
335 .input = {{
336 .type = CX231XX_VMUX_TELEVISION,
337 .vmux = CX231XX_VIN_2_1,
338 .amux = CX231XX_AMUX_VIDEO,
339 .gpio = NULL,
340 }
341 },
342 },
343 [CX231XX_BOARD_HAUPPAUGE_EXETER] = {
344 .name = "Hauppauge EXETER",
345 .tuner_type = TUNER_NXP_TDA18271,
346 .tuner_addr = 0x60,
347 .tuner_gpio = RDE250_XCV_TUNER,
348 .tuner_sif_gpio = 0x05,
349 .tuner_scl_gpio = 0x1a,
350 .tuner_sda_gpio = 0x1b,
351 .decoder = CX231XX_AVDECODER,
352 .demod_xfer_mode = 0,
353 .ctl_pin_status_mask = 0xFFFFFFC4,
354 .agc_analog_digital_select_gpio = 0x0c,
355 .gpio_pin_status_mask = 0x4001000,
356 .tuner_i2c_master = 1,
357 .demod_i2c_master = 2,
358 .has_dvb = 1,
359 .demod_addr = 0x0e,
360 .norm = V4L2_STD_NTSC,
361
362 .input = {{
363 .type = CX231XX_VMUX_TELEVISION,
364 .vmux = CX231XX_VIN_3_1,
365 .amux = CX231XX_AMUX_VIDEO,
366 .gpio = 0,
367 }, {
368 .type = CX231XX_VMUX_COMPOSITE1,
369 .vmux = CX231XX_VIN_2_1,
370 .amux = CX231XX_AMUX_LINE_IN,
371 .gpio = 0,
372 }, {
373 .type = CX231XX_VMUX_SVIDEO,
374 .vmux = CX231XX_VIN_1_1 |
375 (CX231XX_VIN_1_2 << 8) |
376 CX25840_SVIDEO_ON,
377 .amux = CX231XX_AMUX_LINE_IN,
378 .gpio = 0,
379 } },
380 },
381
382
383
384
385
386 };
387 const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
388
389 /* table of devices that work with this driver */
390 struct usb_device_id cx231xx_id_table[] = {
391 {USB_DEVICE(0x0572, 0x5A3C),
392 .driver_info = CX231XX_BOARD_UNKNOWN},
393 {USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000,0x4fff),
394 .driver_info = CX231XX_BOARD_UNKNOWN},
395 {USB_DEVICE(0x0572, 0x58A2),
396 .driver_info = CX231XX_BOARD_CNXT_CARRAERA},
397 {USB_DEVICE(0x0572, 0x58A1),
398 .driver_info = CX231XX_BOARD_CNXT_SHELBY},
399 {USB_DEVICE(0x0572, 0x58A4),
400 .driver_info = CX231XX_BOARD_CNXT_RDE_253S},
401 {USB_DEVICE(0x0572, 0x58A5),
402 .driver_info = CX231XX_BOARD_CNXT_RDU_253S},
403 {USB_DEVICE(0x0572, 0x58A6),
404 .driver_info = CX231XX_BOARD_CNXT_VIDEO_GRABBER},
405 {USB_DEVICE(0x0572, 0x589E),
406 .driver_info = CX231XX_BOARD_CNXT_RDE_250},
407 {USB_DEVICE(0x0572, 0x58A0),
408 .driver_info = CX231XX_BOARD_CNXT_RDU_250},
409 {USB_DEVICE(0x2040, 0xb120),
410 .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
411 {USB_DEVICE(0x2040, 0xb140),
412 .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
413 {},
414 };
415
416 MODULE_DEVICE_TABLE(usb, cx231xx_id_table);
417
418 /* cx231xx_tuner_callback
419 * will be used to reset XC5000 tuner using GPIO pin
420 */
421
422 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg)
423 {
424 int rc = 0;
425 struct cx231xx *dev = ptr;
426
427 if (dev->tuner_type == TUNER_XC5000) {
428 if (command == XC5000_TUNER_RESET) {
429 cx231xx_info
430 ("Tuner CB: RESET: cmd %d : tuner type %d \n",
431 command, dev->tuner_type);
432 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
433 1);
434 msleep(10);
435 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
436 0);
437 msleep(330);
438 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
439 1);
440 msleep(10);
441 }
442 }
443 return rc;
444 }
445 EXPORT_SYMBOL_GPL(cx231xx_tuner_callback);
446
447 void cx231xx_reset_out(struct cx231xx *dev)
448 {
449 cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
450 msleep(200);
451 cx231xx_set_gpio_value(dev, CX23417_RESET, 0);
452 msleep(200);
453 cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
454 }
455 void cx231xx_enable_OSC(struct cx231xx *dev)
456 {
457 cx231xx_set_gpio_value(dev, CX23417_OSC_EN, 1);
458 }
459 void cx231xx_sleep_s5h1432(struct cx231xx *dev)
460 {
461 cx231xx_set_gpio_value(dev, SLEEP_S5H1432, 0);
462 }
463
464 static inline void cx231xx_set_model(struct cx231xx *dev)
465 {
466 memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board));
467 }
468
469 /* Since cx231xx_pre_card_setup() requires a proper dev->model,
470 * this won't work for boards with generic PCI IDs
471 */
472 void cx231xx_pre_card_setup(struct cx231xx *dev)
473 {
474
475 cx231xx_set_model(dev);
476
477 cx231xx_info("Identified as %s (card=%d)\n",
478 dev->board.name, dev->model);
479
480 /* set the direction for GPIO pins */
481 if (dev->board.tuner_gpio) {
482 cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
483 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
484 cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
485
486 /* request some modules if any required */
487 }
488
489 /* set the mode to Analog mode initially */
490 cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
491
492 /* Unlock device */
493 /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */
494
495 }
496
497 static void cx231xx_config_tuner(struct cx231xx *dev)
498 {
499 struct tuner_setup tun_setup;
500 struct v4l2_frequency f;
501
502 if (dev->tuner_type == TUNER_ABSENT)
503 return;
504
505 tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
506 tun_setup.type = dev->tuner_type;
507 tun_setup.addr = dev->tuner_addr;
508 tun_setup.tuner_callback = cx231xx_tuner_callback;
509
510 tuner_call(dev, tuner, s_type_addr, &tun_setup);
511
512 #if 0
513 if (tun_setup.type == TUNER_XC5000) {
514 static struct xc2028_ctrl ctrl = {
515 .fname = XC5000_DEFAULT_FIRMWARE,
516 .max_len = 64,
517 .demod = 0;
518 };
519 struct v4l2_priv_tun_config cfg = {
520 .tuner = dev->tuner_type,
521 .priv = &ctrl,
522 };
523 tuner_call(dev, tuner, s_config, &cfg);
524 }
525 #endif
526 /* configure tuner */
527 f.tuner = 0;
528 f.type = V4L2_TUNER_ANALOG_TV;
529 f.frequency = 9076; /* just a magic number */
530 dev->ctl_freq = f.frequency;
531 call_all(dev, tuner, s_frequency, &f);
532
533 }
534
535 /* ----------------------------------------------------------------------- */
536 void cx231xx_register_i2c_ir(struct cx231xx *dev)
537 {
538 if (disable_ir)
539 return;
540
541 /* REVISIT: instantiate IR device */
542
543 /* detect & configure */
544 switch (dev->model) {
545
546 case CX231XX_BOARD_CNXT_CARRAERA:
547 break;
548 case CX231XX_BOARD_CNXT_RDE_250:
549 break;
550 case CX231XX_BOARD_CNXT_SHELBY:
551 break;
552 case CX231XX_BOARD_CNXT_RDU_250:
553 break;
554 case CX231XX_BOARD_CNXT_RDE_253S:
555 break;
556 case CX231XX_BOARD_CNXT_RDU_253S:
557 break;
558 case CX231XX_BOARD_CNXT_VIDEO_GRABBER:
559 break;
560 case CX231XX_BOARD_HAUPPAUGE_EXETER:
561 break;
562 default:
563 break;
564 }
565 }
566
567 void cx231xx_card_setup(struct cx231xx *dev)
568 {
569
570 cx231xx_set_model(dev);
571
572 dev->tuner_type = cx231xx_boards[dev->model].tuner_type;
573 if (cx231xx_boards[dev->model].tuner_addr)
574 dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr;
575
576 /* request some modules */
577 if (dev->board.decoder == CX231XX_AVDECODER) {
578 dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
579 &dev->i2c_bus[0].i2c_adap,
580 "cx25840", "cx25840", 0x88 >> 1, NULL);
581 if (dev->sd_cx25840 == NULL)
582 cx231xx_info("cx25840 subdev registration failure\n");
583 cx25840_call(dev, core, load_fw);
584
585 }
586
587 /* Initialize the tuner */
588 if (dev->board.tuner_type != TUNER_ABSENT) {
589 dev->sd_tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev,
590 &dev->i2c_bus[1].i2c_adap,
591 "tuner", "tuner",
592 dev->tuner_addr, NULL);
593 if (dev->sd_tuner == NULL)
594 cx231xx_info("tuner subdev registration failure\n");
595 else
596 cx231xx_config_tuner(dev);
597 }
598
599 #if 0
600 /* TBD IR will be added later */
601 cx231xx_ir_init(dev);
602 #endif
603 }
604
605 /*
606 * cx231xx_config()
607 * inits registers with sane defaults
608 */
609 int cx231xx_config(struct cx231xx *dev)
610 {
611 /* TBD need to add cx231xx specific code */
612 dev->mute = 1; /* maybe not the right place... */
613 dev->volume = 0x1f;
614
615 return 0;
616 }
617
618 /*
619 * cx231xx_config_i2c()
620 * configure i2c attached devices
621 */
622 void cx231xx_config_i2c(struct cx231xx *dev)
623 {
624 /* u32 input = INPUT(dev->video_input)->vmux; */
625
626 call_all(dev, video, s_stream, 1);
627 }
628
629 /*
630 * cx231xx_realease_resources()
631 * unregisters the v4l2,i2c and usb devices
632 * called when the device gets disconected or at module unload
633 */
634 void cx231xx_release_resources(struct cx231xx *dev)
635 {
636
637 #if 0 /* TBD IR related */
638 if (dev->ir)
639 cx231xx_ir_fini(dev);
640 #endif
641
642 cx231xx_release_analog_resources(dev);
643
644 cx231xx_remove_from_devlist(dev);
645
646 cx231xx_dev_uninit(dev);
647
648 usb_put_dev(dev->udev);
649
650 /* Mark device as unused */
651 cx231xx_devused &= ~(1 << dev->devno);
652 }
653
654 /*
655 * cx231xx_init_dev()
656 * allocates and inits the device structs, registers i2c bus and v4l device
657 */
658 static int cx231xx_init_dev(struct cx231xx **devhandle, struct usb_device *udev,
659 int minor)
660 {
661 struct cx231xx *dev = *devhandle;
662 int retval = -ENOMEM;
663 int errCode;
664 unsigned int maxh, maxw;
665
666 dev->udev = udev;
667 mutex_init(&dev->lock);
668 mutex_init(&dev->ctrl_urb_lock);
669 mutex_init(&dev->gpio_i2c_lock);
670 mutex_init(&dev->i2c_lock);
671
672 spin_lock_init(&dev->video_mode.slock);
673 spin_lock_init(&dev->vbi_mode.slock);
674 spin_lock_init(&dev->sliced_cc_mode.slock);
675
676 init_waitqueue_head(&dev->open);
677 init_waitqueue_head(&dev->wait_frame);
678 init_waitqueue_head(&dev->wait_stream);
679
680 dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg;
681 dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg;
682 dev->cx231xx_send_usb_command = cx231xx_send_usb_command;
683 dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read;
684 dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write;
685
686 /* Query cx231xx to find what pcb config it is related to */
687 initialize_cx231xx(dev);
688
689 /*To workaround error number=-71 on EP0 for VideoGrabber,
690 need set alt here.*/
691 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
692 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
693 cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
694 }
695 /* Cx231xx pre card setup */
696 cx231xx_pre_card_setup(dev);
697
698 errCode = cx231xx_config(dev);
699 if (errCode) {
700 cx231xx_errdev("error configuring device\n");
701 return -ENOMEM;
702 }
703
704 /* set default norm */
705 dev->norm = dev->board.norm;
706
707 /* register i2c bus */
708 errCode = cx231xx_dev_init(dev);
709 if (errCode < 0) {
710 cx231xx_dev_uninit(dev);
711 cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n",
712 __func__, errCode);
713 return errCode;
714 }
715
716 /* Do board specific init */
717 cx231xx_card_setup(dev);
718
719 /* configure the device */
720 cx231xx_config_i2c(dev);
721
722 maxw = norm_maxw(dev);
723 maxh = norm_maxh(dev);
724
725 /* set default image size */
726 dev->width = maxw;
727 dev->height = maxh;
728 dev->interlaced = 0;
729 dev->hscale = 0;
730 dev->vscale = 0;
731 dev->video_input = 0;
732
733 errCode = cx231xx_config(dev);
734 if (errCode < 0) {
735 cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n",
736 __func__, errCode);
737 return errCode;
738 }
739
740 /* init video dma queues */
741 INIT_LIST_HEAD(&dev->video_mode.vidq.active);
742 INIT_LIST_HEAD(&dev->video_mode.vidq.queued);
743
744 /* init vbi dma queues */
745 INIT_LIST_HEAD(&dev->vbi_mode.vidq.active);
746 INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued);
747
748 /* Reset other chips required if they are tied up with GPIO pins */
749 cx231xx_add_into_devlist(dev);
750
751 printk(KERN_INFO "attach 417 %d\n", dev->model);
752 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
753 if (cx231xx_417_register(dev) < 0) {
754 printk(KERN_ERR
755 "%s() Failed to register 417 on VID_B\n",
756 __func__);
757 }
758 }
759
760 retval = cx231xx_register_analog_devices(dev);
761 if (retval < 0) {
762 cx231xx_release_resources(dev);
763 goto fail_reg_devices;
764 }
765
766 cx231xx_init_extension(dev);
767
768 return 0;
769
770 fail_reg_devices:
771 mutex_unlock(&dev->lock);
772 return retval;
773 }
774
775 #if defined(CONFIG_MODULES) && defined(MODULE)
776 static void request_module_async(struct work_struct *work)
777 {
778 struct cx231xx *dev = container_of(work,
779 struct cx231xx, request_module_wk);
780
781 if (dev->has_alsa_audio)
782 request_module("cx231xx-alsa");
783
784 if (dev->board.has_dvb)
785 request_module("cx231xx-dvb");
786
787 }
788
789 static void request_modules(struct cx231xx *dev)
790 {
791 INIT_WORK(&dev->request_module_wk, request_module_async);
792 schedule_work(&dev->request_module_wk);
793 }
794 #else
795 #define request_modules(dev)
796 #endif /* CONFIG_MODULES */
797
798 /*
799 * cx231xx_usb_probe()
800 * checks for supported devices
801 */
802 static int cx231xx_usb_probe(struct usb_interface *interface,
803 const struct usb_device_id *id)
804 {
805 struct usb_device *udev;
806 struct usb_interface *uif;
807 struct cx231xx *dev = NULL;
808 int retval = -ENODEV;
809 int nr = 0, ifnum;
810 int i, isoc_pipe = 0;
811 char *speed;
812 char descr[255] = "";
813 struct usb_interface *lif = NULL;
814 int skip_interface = 0;
815 struct usb_interface_assoc_descriptor *assoc_desc;
816
817 udev = usb_get_dev(interface_to_usbdev(interface));
818 ifnum = interface->altsetting[0].desc.bInterfaceNumber;
819
820 if (!ifnum) {
821 /*
822 * Interface number 0 - IR interface
823 */
824 /* Check to see next free device and mark as used */
825 nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS);
826 cx231xx_devused |= 1 << nr;
827
828 if (nr >= CX231XX_MAXBOARDS) {
829 cx231xx_err(DRIVER_NAME
830 ": Supports only %i cx231xx boards.\n", CX231XX_MAXBOARDS);
831 cx231xx_devused &= ~(1 << nr);
832 return -ENOMEM;
833 }
834
835 /* allocate memory for our device state and initialize it */
836 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
837 if (dev == NULL) {
838 cx231xx_err(DRIVER_NAME ": out of memory!\n");
839 cx231xx_devused &= ~(1 << nr);
840 return -ENOMEM;
841 }
842
843 snprintf(dev->name, 29, "cx231xx #%d", nr);
844 dev->devno = nr;
845 dev->model = id->driver_info;
846 dev->video_mode.alt = -1;
847 dev->interface_count++;
848
849 /* reset gpio dir and value */
850 dev->gpio_dir = 0;
851 dev->gpio_val = 0;
852 dev->xc_fw_load_done = 0;
853 dev->has_alsa_audio = 1;
854 dev->power_mode = -1;
855 atomic_set(&dev->devlist_count, 0);
856
857 /* 0 - vbi ; 1 -sliced cc mode */
858 dev->vbi_or_sliced_cc_mode = 0;
859
860 /* get maximum no.of IAD interfaces */
861 assoc_desc = udev->actconfig->intf_assoc[0];
862 dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
863
864 /* init CIR module TBD */
865
866 /* store the current interface */
867 lif = interface;
868
869 /*mode_tv: digital=1 or analog=0*/
870 dev->mode_tv = 0;
871
872 dev->USE_ISO = transfer_mode;
873
874 switch (udev->speed) {
875 case USB_SPEED_LOW:
876 speed = "1.5";
877 break;
878 case USB_SPEED_UNKNOWN:
879 case USB_SPEED_FULL:
880 speed = "12";
881 break;
882 case USB_SPEED_HIGH:
883 speed = "480";
884 break;
885 default:
886 speed = "unknown";
887 }
888
889 if (udev->manufacturer)
890 strlcpy(descr, udev->manufacturer, sizeof(descr));
891
892 if (udev->product) {
893 if (*descr)
894 strlcat(descr, " ", sizeof(descr));
895 strlcat(descr, udev->product, sizeof(descr));
896 }
897 if (*descr)
898 strlcat(descr, " ", sizeof(descr));
899
900 cx231xx_info("New device %s@ %s Mbps "
901 "(%04x:%04x) with %d interfaces\n",
902 descr,
903 speed,
904 le16_to_cpu(udev->descriptor.idVendor),
905 le16_to_cpu(udev->descriptor.idProduct),
906 dev->max_iad_interface_count);
907 } else {
908 /* Get dev structure first */
909 dev = usb_get_intfdata(udev->actconfig->interface[0]);
910 if (dev == NULL) {
911 cx231xx_err(DRIVER_NAME ": out of first interface!\n");
912 return -ENODEV;
913 }
914
915 /* store the interface 0 back */
916 lif = udev->actconfig->interface[0];
917
918 /* increment interface count */
919 dev->interface_count++;
920
921 /* get device number */
922 nr = dev->devno;
923
924 /*
925 * set skip interface, for all interfaces but
926 * interface 1 and the last one
927 */
928 if ((ifnum != 1) && ((ifnum)
929 != dev->max_iad_interface_count))
930 skip_interface = 1;
931
932 if (ifnum == 1) {
933 assoc_desc = udev->actconfig->intf_assoc[0];
934 if (assoc_desc->bFirstInterface != ifnum) {
935 cx231xx_err(DRIVER_NAME ": Not found "
936 "matching IAD interface\n");
937 return -ENODEV;
938 }
939 }
940 }
941
942 if (skip_interface)
943 return -ENODEV;
944
945 cx231xx_info("registering interface %d\n", ifnum);
946
947 /* save our data pointer in this interface device */
948 usb_set_intfdata(lif, dev);
949
950 if ((ifnum) != dev->max_iad_interface_count)
951 return 0;
952
953 /*
954 * AV device initialization - only done at the last interface
955 */
956
957 /* Create v4l2 device */
958 retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
959 if (retval) {
960 cx231xx_errdev("v4l2_device_register failed\n");
961 cx231xx_devused &= ~(1 << nr);
962 kfree(dev);
963 dev = NULL;
964 return -EIO;
965 }
966 /* allocate device struct */
967 retval = cx231xx_init_dev(&dev, udev, nr);
968 if (retval) {
969 cx231xx_devused &= ~(1 << dev->devno);
970 v4l2_device_unregister(&dev->v4l2_dev);
971 kfree(dev);
972 dev = NULL;
973 usb_set_intfdata(lif, NULL);
974
975 return retval;
976 }
977
978 /* compute alternate max packet sizes for video */
979 uif = udev->actconfig->interface[dev->current_pcb_config.
980 hs_config_info[0].interface_info.video_index + 1];
981
982 dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0].
983 endpoint[isoc_pipe].desc.bEndpointAddress);
984
985 dev->video_mode.num_alt = uif->num_altsetting;
986 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
987 dev->video_mode.end_point_addr,
988 dev->video_mode.num_alt);
989 dev->video_mode.alt_max_pkt_size =
990 kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
991
992 if (dev->video_mode.alt_max_pkt_size == NULL) {
993 cx231xx_errdev("out of memory!\n");
994 cx231xx_devused &= ~(1 << nr);
995 v4l2_device_unregister(&dev->v4l2_dev);
996 kfree(dev);
997 dev = NULL;
998 return -ENOMEM;
999 }
1000
1001 for (i = 0; i < dev->video_mode.num_alt; i++) {
1002 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1003 desc.wMaxPacketSize);
1004 dev->video_mode.alt_max_pkt_size[i] =
1005 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1006 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1007 dev->video_mode.alt_max_pkt_size[i]);
1008 }
1009
1010 /* compute alternate max packet sizes for vbi */
1011 uif = udev->actconfig->interface[dev->current_pcb_config.
1012 hs_config_info[0].interface_info.
1013 vanc_index + 1];
1014
1015 dev->vbi_mode.end_point_addr =
1016 le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1017 bEndpointAddress);
1018
1019 dev->vbi_mode.num_alt = uif->num_altsetting;
1020 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1021 dev->vbi_mode.end_point_addr,
1022 dev->vbi_mode.num_alt);
1023 dev->vbi_mode.alt_max_pkt_size =
1024 kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
1025
1026 if (dev->vbi_mode.alt_max_pkt_size == NULL) {
1027 cx231xx_errdev("out of memory!\n");
1028 cx231xx_devused &= ~(1 << nr);
1029 v4l2_device_unregister(&dev->v4l2_dev);
1030 kfree(dev);
1031 dev = NULL;
1032 return -ENOMEM;
1033 }
1034
1035 for (i = 0; i < dev->vbi_mode.num_alt; i++) {
1036 u16 tmp =
1037 le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1038 desc.wMaxPacketSize);
1039 dev->vbi_mode.alt_max_pkt_size[i] =
1040 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1041 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1042 dev->vbi_mode.alt_max_pkt_size[i]);
1043 }
1044
1045 /* compute alternate max packet sizes for sliced CC */
1046 uif = udev->actconfig->interface[dev->current_pcb_config.
1047 hs_config_info[0].interface_info.
1048 hanc_index + 1];
1049
1050 dev->sliced_cc_mode.end_point_addr =
1051 le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1052 bEndpointAddress);
1053
1054 dev->sliced_cc_mode.num_alt = uif->num_altsetting;
1055 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1056 dev->sliced_cc_mode.end_point_addr,
1057 dev->sliced_cc_mode.num_alt);
1058 dev->sliced_cc_mode.alt_max_pkt_size =
1059 kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
1060
1061 if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
1062 cx231xx_errdev("out of memory!\n");
1063 cx231xx_devused &= ~(1 << nr);
1064 v4l2_device_unregister(&dev->v4l2_dev);
1065 kfree(dev);
1066 dev = NULL;
1067 return -ENOMEM;
1068 }
1069
1070 for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
1071 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1072 desc.wMaxPacketSize);
1073 dev->sliced_cc_mode.alt_max_pkt_size[i] =
1074 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1075 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1076 dev->sliced_cc_mode.alt_max_pkt_size[i]);
1077 }
1078
1079 if (dev->current_pcb_config.ts1_source != 0xff) {
1080 /* compute alternate max packet sizes for TS1 */
1081 uif = udev->actconfig->interface[dev->current_pcb_config.
1082 hs_config_info[0].
1083 interface_info.
1084 ts1_index + 1];
1085
1086 dev->ts1_mode.end_point_addr =
1087 le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].
1088 desc.bEndpointAddress);
1089
1090 dev->ts1_mode.num_alt = uif->num_altsetting;
1091 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1092 dev->ts1_mode.end_point_addr,
1093 dev->ts1_mode.num_alt);
1094 dev->ts1_mode.alt_max_pkt_size =
1095 kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
1096
1097 if (dev->ts1_mode.alt_max_pkt_size == NULL) {
1098 cx231xx_errdev("out of memory!\n");
1099 cx231xx_devused &= ~(1 << nr);
1100 v4l2_device_unregister(&dev->v4l2_dev);
1101 kfree(dev);
1102 dev = NULL;
1103 return -ENOMEM;
1104 }
1105
1106 for (i = 0; i < dev->ts1_mode.num_alt; i++) {
1107 u16 tmp = le16_to_cpu(uif->altsetting[i].
1108 endpoint[isoc_pipe].desc.
1109 wMaxPacketSize);
1110 dev->ts1_mode.alt_max_pkt_size[i] =
1111 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1112 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1113 dev->ts1_mode.alt_max_pkt_size[i]);
1114 }
1115 }
1116
1117 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
1118 cx231xx_enable_OSC(dev);
1119 cx231xx_reset_out(dev);
1120 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
1121 }
1122
1123 if (dev->model == CX231XX_BOARD_CNXT_RDE_253S)
1124 cx231xx_sleep_s5h1432(dev);
1125
1126 /* load other modules required */
1127 request_modules(dev);
1128
1129 return 0;
1130 }
1131
1132 /*
1133 * cx231xx_usb_disconnect()
1134 * called when the device gets diconencted
1135 * video device will be unregistered on v4l2_close in case it is still open
1136 */
1137 static void cx231xx_usb_disconnect(struct usb_interface *interface)
1138 {
1139 struct cx231xx *dev;
1140
1141 dev = usb_get_intfdata(interface);
1142 usb_set_intfdata(interface, NULL);
1143
1144 if (!dev)
1145 return;
1146
1147 if (!dev->udev)
1148 return;
1149
1150 /* delete v4l2 device */
1151 v4l2_device_unregister(&dev->v4l2_dev);
1152
1153 /* wait until all current v4l2 io is finished then deallocate
1154 resources */
1155 mutex_lock(&dev->lock);
1156
1157 wake_up_interruptible_all(&dev->open);
1158
1159 if (dev->users) {
1160 cx231xx_warn
1161 ("device %s is open! Deregistration and memory "
1162 "deallocation are deferred on close.\n",
1163 video_device_node_name(dev->vdev));
1164
1165 dev->state |= DEV_MISCONFIGURED;
1166 if (dev->USE_ISO)
1167 cx231xx_uninit_isoc(dev);
1168 else
1169 cx231xx_uninit_bulk(dev);
1170 dev->state |= DEV_DISCONNECTED;
1171 wake_up_interruptible(&dev->wait_frame);
1172 wake_up_interruptible(&dev->wait_stream);
1173 } else {
1174 dev->state |= DEV_DISCONNECTED;
1175 cx231xx_release_resources(dev);
1176 }
1177
1178 cx231xx_close_extension(dev);
1179
1180 mutex_unlock(&dev->lock);
1181
1182 if (!dev->users) {
1183 kfree(dev->video_mode.alt_max_pkt_size);
1184 kfree(dev->vbi_mode.alt_max_pkt_size);
1185 kfree(dev->sliced_cc_mode.alt_max_pkt_size);
1186 kfree(dev->ts1_mode.alt_max_pkt_size);
1187 kfree(dev);
1188 dev = NULL;
1189 }
1190 }
1191
1192 static struct usb_driver cx231xx_usb_driver = {
1193 .name = "cx231xx",
1194 .probe = cx231xx_usb_probe,
1195 .disconnect = cx231xx_usb_disconnect,
1196 .id_table = cx231xx_id_table,
1197 };
1198
1199 static int __init cx231xx_module_init(void)
1200 {
1201 int result;
1202
1203 printk(KERN_INFO DRIVER_NAME " v4l2 driver loaded.\n");
1204
1205 /* register this driver with the USB subsystem */
1206 result = usb_register(&cx231xx_usb_driver);
1207 if (result)
1208 cx231xx_err(DRIVER_NAME
1209 " usb_register failed. Error number %d.\n", result);
1210
1211 return result;
1212 }
1213
1214 static void __exit cx231xx_module_exit(void)
1215 {
1216 /* deregister this driver with the USB subsystem */
1217 usb_deregister(&cx231xx_usb_driver);
1218 }
1219
1220 module_init(cx231xx_module_init);
1221 module_exit(cx231xx_module_exit);
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