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Commit | Line | Data |
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e0d3bafd | 1 | /* |
b9255176 SD |
2 | cx231xx-cards.c - driver for Conexant Cx23100/101/102 |
3 | USB video capture devices | |
e0d3bafd SD |
4 | |
5 | Copyright (C) 2008 <srinivasa.deevi at conexant dot com> | |
b9255176 | 6 | Based on em28xx driver |
e0d3bafd SD |
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/delay.h> | |
26 | #include <linux/i2c.h> | |
27 | #include <linux/usb.h> | |
28 | #include <media/tuner.h> | |
29 | #include <media/tveeprom.h> | |
30 | #include <media/v4l2-common.h> | |
31 | #include <media/v4l2-chip-ident.h> | |
32 | ||
33 | #include <media/cx25840.h> | |
34 | #include "xc5000.h" | |
35 | ||
36 | #include "cx231xx.h" | |
37 | ||
38 | static int tuner = -1; | |
39 | module_param(tuner, int, 0444); | |
40 | MODULE_PARM_DESC(tuner, "tuner type"); | |
41 | ||
42 | static unsigned int disable_ir; | |
43 | module_param(disable_ir, int, 0444); | |
44 | MODULE_PARM_DESC(disable_ir, "disable infrared remote support"); | |
45 | ||
46 | /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */ | |
47 | static unsigned long cx231xx_devused; | |
48 | ||
49 | /* | |
50 | * Reset sequences for analog/digital modes | |
51 | */ | |
52 | ||
53 | static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = { | |
84b5dbf3 MCC |
54 | {0x03, 0x01, 10}, |
55 | {0x03, 0x00, 30}, | |
56 | {0x03, 0x01, 10}, | |
57 | {-1, -1, -1}, | |
e0d3bafd SD |
58 | }; |
59 | ||
e0d3bafd SD |
60 | /* |
61 | * Board definitions | |
62 | */ | |
63 | struct cx231xx_board cx231xx_boards[] = { | |
e0d3bafd | 64 | [CX231XX_BOARD_UNKNOWN] = { |
6e4f574b SD |
65 | .name = "Unknown CX231xx video grabber", |
66 | .tuner_type = TUNER_ABSENT, | |
67 | .input = {{ | |
68 | .type = CX231XX_VMUX_TELEVISION, | |
69 | .vmux = CX231XX_VIN_3_1, | |
70 | .amux = CX231XX_AMUX_VIDEO, | |
71 | .gpio = 0, | |
72 | }, { | |
73 | .type = CX231XX_VMUX_COMPOSITE1, | |
74 | .vmux = CX231XX_VIN_2_1, | |
75 | .amux = CX231XX_AMUX_LINE_IN, | |
76 | .gpio = 0, | |
77 | }, { | |
78 | .type = CX231XX_VMUX_SVIDEO, | |
79 | .vmux = CX231XX_VIN_1_1 | | |
80 | (CX231XX_VIN_1_2 << 8) | | |
81 | CX25840_SVIDEO_ON, | |
82 | .amux = CX231XX_AMUX_LINE_IN, | |
83 | .gpio = 0, | |
84 | } | |
85 | }, | |
86 | }, | |
e0d3bafd | 87 | [CX231XX_BOARD_CNXT_RDE_250] = { |
6e4f574b SD |
88 | .name = "Conexant Hybrid TV - RDE250", |
89 | .tuner_type = TUNER_XC5000, | |
90 | .tuner_addr = 0x61, | |
91 | .tuner_gpio = RDE250_XCV_TUNER, | |
92 | .tuner_sif_gpio = 0x05, | |
93 | .tuner_scl_gpio = 0x1a, | |
94 | .tuner_sda_gpio = 0x1b, | |
95 | .decoder = CX231XX_AVDECODER, | |
96 | .demod_xfer_mode = 0, | |
97 | .ctl_pin_status_mask = 0xFFFFFFC4, | |
98 | .agc_analog_digital_select_gpio = 0x0c, | |
99 | .gpio_pin_status_mask = 0x4001000, | |
100 | .tuner_i2c_master = 1, | |
101 | .demod_i2c_master = 2, | |
102 | .has_dvb = 1, | |
103 | .demod_addr = 0x02, | |
104 | .norm = V4L2_STD_PAL, | |
105 | ||
106 | .input = {{ | |
107 | .type = CX231XX_VMUX_TELEVISION, | |
108 | .vmux = CX231XX_VIN_3_1, | |
109 | .amux = CX231XX_AMUX_VIDEO, | |
110 | .gpio = 0, | |
111 | }, { | |
112 | .type = CX231XX_VMUX_COMPOSITE1, | |
113 | .vmux = CX231XX_VIN_2_1, | |
114 | .amux = CX231XX_AMUX_LINE_IN, | |
115 | .gpio = 0, | |
116 | }, { | |
117 | .type = CX231XX_VMUX_SVIDEO, | |
118 | .vmux = CX231XX_VIN_1_1 | | |
119 | (CX231XX_VIN_1_2 << 8) | | |
120 | CX25840_SVIDEO_ON, | |
121 | .amux = CX231XX_AMUX_LINE_IN, | |
122 | .gpio = 0, | |
123 | } | |
124 | }, | |
125 | }, | |
84b5dbf3 MCC |
126 | |
127 | [CX231XX_BOARD_CNXT_RDU_250] = { | |
6e4f574b SD |
128 | .name = "Conexant Hybrid TV - RDU250", |
129 | .tuner_type = TUNER_XC5000, | |
130 | .tuner_addr = 0x61, | |
131 | .tuner_gpio = RDE250_XCV_TUNER, | |
132 | .tuner_sif_gpio = 0x05, | |
133 | .tuner_scl_gpio = 0x1a, | |
134 | .tuner_sda_gpio = 0x1b, | |
135 | .decoder = CX231XX_AVDECODER, | |
136 | .demod_xfer_mode = 0, | |
137 | .ctl_pin_status_mask = 0xFFFFFFC4, | |
138 | .agc_analog_digital_select_gpio = 0x0c, | |
139 | .gpio_pin_status_mask = 0x4001000, | |
140 | .tuner_i2c_master = 1, | |
141 | .demod_i2c_master = 2, | |
142 | .has_dvb = 1, | |
143 | .demod_addr = 0x32, | |
144 | .norm = V4L2_STD_NTSC, | |
145 | ||
146 | .input = {{ | |
147 | .type = CX231XX_VMUX_TELEVISION, | |
148 | .vmux = CX231XX_VIN_3_1, | |
149 | .amux = CX231XX_AMUX_VIDEO, | |
150 | .gpio = 0, | |
151 | }, { | |
152 | .type = CX231XX_VMUX_COMPOSITE1, | |
153 | .vmux = CX231XX_VIN_2_1, | |
154 | .amux = CX231XX_AMUX_LINE_IN, | |
155 | .gpio = 0, | |
156 | }, { | |
157 | .type = CX231XX_VMUX_SVIDEO, | |
158 | .vmux = CX231XX_VIN_1_1 | | |
159 | (CX231XX_VIN_1_2 << 8) | | |
160 | CX25840_SVIDEO_ON, | |
161 | .amux = CX231XX_AMUX_LINE_IN, | |
162 | .gpio = 0, | |
163 | } | |
164 | }, | |
165 | }, | |
e0d3bafd SD |
166 | }; |
167 | const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards); | |
168 | ||
169 | /* table of devices that work with this driver */ | |
84b5dbf3 | 170 | struct usb_device_id cx231xx_id_table[] = { |
ed559edf | 171 | {USB_DEVICE(0x0572, 0x5A3C), |
84b5dbf3 MCC |
172 | .driver_info = CX231XX_BOARD_UNKNOWN}, |
173 | {USB_DEVICE(0x0572, 0x58A2), | |
174 | .driver_info = CX231XX_BOARD_CNXT_RDE_250}, | |
ed559edf | 175 | {USB_DEVICE(0x0572, 0x58A1), |
84b5dbf3 MCC |
176 | .driver_info = CX231XX_BOARD_CNXT_RDU_250}, |
177 | {}, | |
e0d3bafd | 178 | }; |
84b5dbf3 | 179 | |
e0d3bafd SD |
180 | MODULE_DEVICE_TABLE(usb, cx231xx_id_table); |
181 | ||
182 | /* cx231xx_tuner_callback | |
183 | * will be used to reset XC5000 tuner using GPIO pin | |
184 | */ | |
185 | ||
186 | int cx231xx_tuner_callback(void *ptr, int component, int command, int arg) | |
187 | { | |
188 | int rc = 0; | |
189 | struct cx231xx *dev = ptr; | |
190 | ||
84b5dbf3 MCC |
191 | if (dev->tuner_type == TUNER_XC5000) { |
192 | if (command == XC5000_TUNER_RESET) { | |
193 | cx231xx_info | |
b9255176 SD |
194 | ("Tuner CB: RESET: cmd %d : tuner type %d \n", |
195 | command, dev->tuner_type); | |
84b5dbf3 MCC |
196 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, |
197 | 1); | |
198 | msleep(10); | |
199 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, | |
200 | 0); | |
201 | msleep(330); | |
202 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, | |
203 | 1); | |
204 | msleep(10); | |
205 | } | |
206 | } | |
e0d3bafd SD |
207 | return rc; |
208 | } | |
209 | EXPORT_SYMBOL_GPL(cx231xx_tuner_callback); | |
210 | ||
b9255176 | 211 | static inline void cx231xx_set_model(struct cx231xx *dev) |
e0d3bafd SD |
212 | { |
213 | memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board)); | |
214 | } | |
215 | ||
216 | /* Since cx231xx_pre_card_setup() requires a proper dev->model, | |
217 | * this won't work for boards with generic PCI IDs | |
218 | */ | |
219 | void cx231xx_pre_card_setup(struct cx231xx *dev) | |
220 | { | |
221 | ||
222 | cx231xx_set_model(dev); | |
223 | ||
224 | cx231xx_info("Identified as %s (card=%d)\n", | |
84b5dbf3 | 225 | dev->board.name, dev->model); |
e0d3bafd | 226 | |
6e4f574b SD |
227 | /* set the direction for GPIO pins */ |
228 | cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1); | |
229 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1); | |
230 | cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1); | |
e0d3bafd SD |
231 | |
232 | /* request some modules if any required */ | |
233 | ||
84b5dbf3 | 234 | /* reset the Tuner */ |
e0d3bafd SD |
235 | cx231xx_gpio_set(dev, dev->board.tuner_gpio); |
236 | ||
84b5dbf3 | 237 | /* set the mode to Analog mode initially */ |
e0d3bafd SD |
238 | cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); |
239 | ||
240 | /* Unlock device */ | |
241 | /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */ | |
242 | ||
243 | } | |
244 | ||
e0d3bafd SD |
245 | static void cx231xx_config_tuner(struct cx231xx *dev) |
246 | { | |
84b5dbf3 MCC |
247 | struct tuner_setup tun_setup; |
248 | struct v4l2_frequency f; | |
e0d3bafd SD |
249 | |
250 | if (dev->tuner_type == TUNER_ABSENT) | |
251 | return; | |
252 | ||
253 | tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; | |
254 | tun_setup.type = dev->tuner_type; | |
255 | tun_setup.addr = dev->tuner_addr; | |
256 | tun_setup.tuner_callback = cx231xx_tuner_callback; | |
257 | ||
b1196126 SD |
258 | tuner_call(dev, tuner, s_type_addr, &tun_setup); |
259 | ||
e0d3bafd | 260 | #if 0 |
84b5dbf3 | 261 | if (tun_setup.type == TUNER_XC5000) { |
e0d3bafd SD |
262 | static struct xc2028_ctrl ctrl = { |
263 | .fname = XC5000_DEFAULT_FIRMWARE, | |
264 | .max_len = 64, | |
84b5dbf3 | 265 | .demod = 0; |
e0d3bafd SD |
266 | }; |
267 | struct v4l2_priv_tun_config cfg = { | |
268 | .tuner = dev->tuner_type, | |
269 | .priv = &ctrl, | |
270 | }; | |
b1196126 | 271 | tuner_call(dev, tuner, s_config, &cfg); |
e0d3bafd SD |
272 | } |
273 | #endif | |
e0d3bafd SD |
274 | /* configure tuner */ |
275 | f.tuner = 0; | |
276 | f.type = V4L2_TUNER_ANALOG_TV; | |
84b5dbf3 | 277 | f.frequency = 9076; /* just a magic number */ |
e0d3bafd | 278 | dev->ctl_freq = f.frequency; |
b1196126 | 279 | call_all(dev, tuner, s_frequency, &f); |
e0d3bafd | 280 | |
b1196126 | 281 | } |
e0d3bafd SD |
282 | |
283 | /* ----------------------------------------------------------------------- */ | |
284 | void cx231xx_set_ir(struct cx231xx *dev, struct IR_i2c *ir) | |
285 | { | |
286 | if (disable_ir) { | |
287 | ir->get_key = NULL; | |
84b5dbf3 | 288 | return; |
e0d3bafd SD |
289 | } |
290 | ||
291 | /* detect & configure */ | |
292 | switch (dev->model) { | |
293 | ||
84b5dbf3 MCC |
294 | case CX231XX_BOARD_CNXT_RDE_250: |
295 | break; | |
296 | case CX231XX_BOARD_CNXT_RDU_250: | |
297 | break; | |
298 | default: | |
299 | break; | |
e0d3bafd SD |
300 | } |
301 | } | |
302 | ||
303 | void cx231xx_card_setup(struct cx231xx *dev) | |
304 | { | |
b1196126 | 305 | |
e0d3bafd SD |
306 | cx231xx_set_model(dev); |
307 | ||
308 | dev->tuner_type = cx231xx_boards[dev->model].tuner_type; | |
309 | if (cx231xx_boards[dev->model].tuner_addr) | |
310 | dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr; | |
311 | ||
e0d3bafd | 312 | /* request some modules */ |
84b5dbf3 | 313 | if (dev->board.decoder == CX231XX_AVDECODER) { |
b1196126 SD |
314 | dev->sd_cx25840 = |
315 | v4l2_i2c_new_subdev(&dev->i2c_bus[0].i2c_adap, | |
4be1ad36 | 316 | "cx25840", "cx25840", 0x88 >> 1); |
b1196126 SD |
317 | if (dev->sd_cx25840 == NULL) |
318 | cx231xx_info("cx25840 subdev registration failure\n"); | |
319 | cx25840_call(dev, core, init, 0); | |
320 | ||
84b5dbf3 | 321 | } |
b1196126 | 322 | |
84b5dbf3 | 323 | if (dev->board.tuner_type != TUNER_ABSENT) { |
b1196126 SD |
324 | dev->sd_tuner = |
325 | v4l2_i2c_new_subdev(&dev->i2c_bus[1].i2c_adap, | |
326 | "tuner", "tuner", 0xc2 >> 1); | |
327 | if (dev->sd_tuner == NULL) | |
328 | cx231xx_info("tuner subdev registration failure\n"); | |
329 | ||
330 | cx231xx_config_tuner(dev); | |
84b5dbf3 | 331 | } |
e0d3bafd SD |
332 | |
333 | cx231xx_config_tuner(dev); | |
334 | ||
b1196126 | 335 | #if 0 |
84b5dbf3 | 336 | /* TBD IR will be added later */ |
e0d3bafd SD |
337 | cx231xx_ir_init(dev); |
338 | #endif | |
339 | } | |
340 | ||
e0d3bafd SD |
341 | /* |
342 | * cx231xx_config() | |
343 | * inits registers with sane defaults | |
344 | */ | |
345 | int cx231xx_config(struct cx231xx *dev) | |
346 | { | |
84b5dbf3 | 347 | /* TBD need to add cx231xx specific code */ |
e0d3bafd SD |
348 | dev->mute = 1; /* maybe not the right place... */ |
349 | dev->volume = 0x1f; | |
350 | ||
351 | return 0; | |
352 | } | |
353 | ||
354 | /* | |
355 | * cx231xx_config_i2c() | |
356 | * configure i2c attached devices | |
357 | */ | |
358 | void cx231xx_config_i2c(struct cx231xx *dev) | |
359 | { | |
360 | struct v4l2_routing route; | |
361 | ||
362 | route.input = INPUT(dev->video_input)->vmux; | |
363 | route.output = 0; | |
364 | ||
b1196126 | 365 | call_all(dev, video, s_stream, 1); |
e0d3bafd SD |
366 | } |
367 | ||
368 | /* | |
369 | * cx231xx_realease_resources() | |
370 | * unregisters the v4l2,i2c and usb devices | |
371 | * called when the device gets disconected or at module unload | |
372 | */ | |
373 | void cx231xx_release_resources(struct cx231xx *dev) | |
374 | { | |
375 | ||
84b5dbf3 | 376 | #if 0 /* TBD IR related */ |
e0d3bafd SD |
377 | if (dev->ir) |
378 | cx231xx_ir_fini(dev); | |
379 | #endif | |
380 | ||
381 | cx231xx_release_analog_resources(dev); | |
382 | ||
84b5dbf3 | 383 | cx231xx_remove_from_devlist(dev); |
e0d3bafd | 384 | |
84b5dbf3 | 385 | cx231xx_dev_uninit(dev); |
e0d3bafd SD |
386 | |
387 | usb_put_dev(dev->udev); | |
388 | ||
389 | /* Mark device as unused */ | |
84b5dbf3 | 390 | cx231xx_devused &= ~(1 << dev->devno); |
e0d3bafd SD |
391 | } |
392 | ||
e0d3bafd SD |
393 | /* |
394 | * cx231xx_init_dev() | |
395 | * allocates and inits the device structs, registers i2c bus and v4l device | |
396 | */ | |
397 | static int cx231xx_init_dev(struct cx231xx **devhandle, struct usb_device *udev, | |
84b5dbf3 | 398 | int minor) |
e0d3bafd SD |
399 | { |
400 | struct cx231xx *dev = *devhandle; | |
401 | int retval = -ENOMEM; | |
402 | int errCode; | |
403 | unsigned int maxh, maxw; | |
404 | ||
405 | dev->udev = udev; | |
406 | mutex_init(&dev->lock); | |
407 | mutex_init(&dev->ctrl_urb_lock); | |
84b5dbf3 | 408 | mutex_init(&dev->gpio_i2c_lock); |
e0d3bafd | 409 | |
84b5dbf3 MCC |
410 | spin_lock_init(&dev->video_mode.slock); |
411 | spin_lock_init(&dev->vbi_mode.slock); | |
412 | spin_lock_init(&dev->sliced_cc_mode.slock); | |
e0d3bafd SD |
413 | |
414 | init_waitqueue_head(&dev->open); | |
415 | init_waitqueue_head(&dev->wait_frame); | |
416 | init_waitqueue_head(&dev->wait_stream); | |
417 | ||
84b5dbf3 MCC |
418 | dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg; |
419 | dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg; | |
420 | dev->cx231xx_send_usb_command = cx231xx_send_usb_command; | |
421 | dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read; | |
422 | dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write; | |
e0d3bafd | 423 | |
84b5dbf3 MCC |
424 | /* Query cx231xx to find what pcb config it is related to */ |
425 | initialize_cx231xx(dev); | |
e0d3bafd | 426 | |
84b5dbf3 | 427 | /* Cx231xx pre card setup */ |
e0d3bafd SD |
428 | cx231xx_pre_card_setup(dev); |
429 | ||
430 | errCode = cx231xx_config(dev); | |
431 | if (errCode) { | |
432 | cx231xx_errdev("error configuring device\n"); | |
433 | return -ENOMEM; | |
434 | } | |
435 | ||
84b5dbf3 | 436 | /* set default norm */ |
e0d3bafd SD |
437 | dev->norm = dev->board.norm; |
438 | ||
439 | /* register i2c bus */ | |
440 | errCode = cx231xx_dev_init(dev); | |
441 | if (errCode < 0) { | |
442 | cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n", | |
84b5dbf3 | 443 | __func__, errCode); |
e0d3bafd SD |
444 | return errCode; |
445 | } | |
446 | ||
447 | /* Do board specific init */ | |
448 | cx231xx_card_setup(dev); | |
449 | ||
450 | /* configure the device */ | |
451 | cx231xx_config_i2c(dev); | |
452 | ||
453 | maxw = norm_maxw(dev); | |
454 | maxh = norm_maxh(dev); | |
455 | ||
456 | /* set default image size */ | |
457 | dev->width = maxw; | |
458 | dev->height = maxh; | |
459 | dev->interlaced = 0; | |
460 | dev->hscale = 0; | |
461 | dev->vscale = 0; | |
462 | dev->video_input = 0; | |
463 | ||
464 | errCode = cx231xx_config(dev); | |
465 | if (errCode < 0) { | |
466 | cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n", | |
84b5dbf3 | 467 | __func__, errCode); |
e0d3bafd SD |
468 | return errCode; |
469 | } | |
470 | ||
471 | /* init video dma queues */ | |
472 | INIT_LIST_HEAD(&dev->video_mode.vidq.active); | |
473 | INIT_LIST_HEAD(&dev->video_mode.vidq.queued); | |
474 | ||
84b5dbf3 | 475 | /* init vbi dma queues */ |
e0d3bafd SD |
476 | INIT_LIST_HEAD(&dev->vbi_mode.vidq.active); |
477 | INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued); | |
478 | ||
479 | /* Reset other chips required if they are tied up with GPIO pins */ | |
480 | ||
84b5dbf3 | 481 | cx231xx_add_into_devlist(dev); |
e0d3bafd SD |
482 | |
483 | retval = cx231xx_register_analog_devices(dev); | |
484 | if (retval < 0) { | |
485 | cx231xx_release_resources(dev); | |
486 | goto fail_reg_devices; | |
487 | } | |
488 | ||
489 | cx231xx_init_extension(dev); | |
490 | ||
491 | return 0; | |
492 | ||
b9255176 | 493 | fail_reg_devices: |
e0d3bafd SD |
494 | mutex_unlock(&dev->lock); |
495 | return retval; | |
496 | } | |
497 | ||
498 | #if defined(CONFIG_MODULES) && defined(MODULE) | |
499 | static void request_module_async(struct work_struct *work) | |
500 | { | |
501 | struct cx231xx *dev = container_of(work, | |
84b5dbf3 | 502 | struct cx231xx, request_module_wk); |
e0d3bafd SD |
503 | |
504 | if (dev->has_alsa_audio) | |
505 | request_module("cx231xx-alsa"); | |
506 | ||
507 | if (dev->board.has_dvb) | |
508 | request_module("cx231xx-dvb"); | |
509 | ||
510 | } | |
511 | ||
512 | static void request_modules(struct cx231xx *dev) | |
513 | { | |
514 | INIT_WORK(&dev->request_module_wk, request_module_async); | |
515 | schedule_work(&dev->request_module_wk); | |
516 | } | |
517 | #else | |
518 | #define request_modules(dev) | |
519 | #endif /* CONFIG_MODULES */ | |
520 | ||
e0d3bafd SD |
521 | /* |
522 | * cx231xx_usb_probe() | |
523 | * checks for supported devices | |
524 | */ | |
525 | static int cx231xx_usb_probe(struct usb_interface *interface, | |
84b5dbf3 | 526 | const struct usb_device_id *id) |
e0d3bafd SD |
527 | { |
528 | struct usb_device *udev; | |
529 | struct usb_interface *uif; | |
530 | struct cx231xx *dev = NULL; | |
531 | int retval = -ENODEV; | |
d73abcff | 532 | int nr = 0, ifnum; |
e0d3bafd SD |
533 | int i, isoc_pipe = 0; |
534 | char *speed; | |
535 | char descr[255] = ""; | |
84b5dbf3 MCC |
536 | struct usb_interface *lif = NULL; |
537 | int skip_interface = 0; | |
538 | struct usb_interface_assoc_descriptor *assoc_desc; | |
e0d3bafd SD |
539 | |
540 | udev = usb_get_dev(interface_to_usbdev(interface)); | |
541 | ifnum = interface->altsetting[0].desc.bInterfaceNumber; | |
542 | ||
90960744 MCC |
543 | if (!ifnum) { |
544 | /* | |
545 | * Interface number 0 - IR interface | |
546 | */ | |
84b5dbf3 MCC |
547 | /* Check to see next free device and mark as used */ |
548 | nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS); | |
549 | cx231xx_devused |= 1 << nr; | |
550 | ||
551 | if (nr >= CX231XX_MAXBOARDS) { | |
b905de30 | 552 | cx231xx_err(DRIVER_NAME ": Supports only %i cx231xx boards.\n", |
84b5dbf3 MCC |
553 | CX231XX_MAXBOARDS); |
554 | cx231xx_devused &= ~(1 << nr); | |
555 | return -ENOMEM; | |
556 | } | |
557 | ||
558 | /* allocate memory for our device state and initialize it */ | |
559 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | |
560 | if (dev == NULL) { | |
561 | cx231xx_err(DRIVER_NAME ": out of memory!\n"); | |
562 | cx231xx_devused &= ~(1 << nr); | |
563 | return -ENOMEM; | |
564 | } | |
565 | ||
566 | snprintf(dev->name, 29, "cx231xx #%d", nr); | |
567 | dev->devno = nr; | |
568 | dev->model = id->driver_info; | |
569 | dev->video_mode.alt = -1; | |
570 | dev->interface_count++; | |
571 | ||
572 | /* reset gpio dir and value */ | |
573 | dev->gpio_dir = 0; | |
574 | dev->gpio_val = 0; | |
575 | dev->xc_fw_load_done = 0; | |
e0d3bafd | 576 | dev->has_alsa_audio = 1; |
84b5dbf3 MCC |
577 | dev->power_mode = -1; |
578 | ||
b9255176 SD |
579 | /* 0 - vbi ; 1 -sliced cc mode */ |
580 | dev->vbi_or_sliced_cc_mode = 0; | |
84b5dbf3 MCC |
581 | |
582 | /* get maximum no.of IAD interfaces */ | |
583 | assoc_desc = udev->actconfig->intf_assoc[0]; | |
584 | dev->max_iad_interface_count = assoc_desc->bInterfaceCount; | |
84b5dbf3 MCC |
585 | |
586 | /* init CIR module TBD */ | |
587 | ||
588 | /* store the current interface */ | |
589 | lif = interface; | |
590 | ||
90960744 MCC |
591 | switch (udev->speed) { |
592 | case USB_SPEED_LOW: | |
593 | speed = "1.5"; | |
594 | break; | |
595 | case USB_SPEED_UNKNOWN: | |
596 | case USB_SPEED_FULL: | |
597 | speed = "12"; | |
598 | break; | |
599 | case USB_SPEED_HIGH: | |
600 | speed = "480"; | |
601 | break; | |
602 | default: | |
603 | speed = "unknown"; | |
84b5dbf3 MCC |
604 | } |
605 | ||
90960744 MCC |
606 | if (udev->manufacturer) |
607 | strlcpy(descr, udev->manufacturer, sizeof(descr)); | |
84b5dbf3 | 608 | |
90960744 MCC |
609 | if (udev->product) { |
610 | if (*descr) | |
611 | strlcat(descr, " ", sizeof(descr)); | |
612 | strlcat(descr, udev->product, sizeof(descr)); | |
84b5dbf3 | 613 | } |
90960744 MCC |
614 | if (*descr) |
615 | strlcat(descr, " ", sizeof(descr)); | |
84b5dbf3 | 616 | |
90960744 MCC |
617 | cx231xx_info("New device %s@ %s Mbps " |
618 | "(%04x:%04x) with %d interfaces\n", | |
619 | descr, | |
620 | speed, | |
621 | le16_to_cpu(udev->descriptor.idVendor), | |
622 | le16_to_cpu(udev->descriptor.idProduct), | |
623 | dev->max_iad_interface_count); | |
624 | } else { | |
84b5dbf3 MCC |
625 | /* Get dev structure first */ |
626 | dev = usb_get_intfdata(udev->actconfig->interface[0]); | |
627 | if (dev == NULL) { | |
628 | cx231xx_err(DRIVER_NAME ": out of first interface!\n"); | |
629 | return -ENODEV; | |
630 | } | |
631 | ||
632 | /* store the interface 0 back */ | |
633 | lif = udev->actconfig->interface[0]; | |
634 | ||
635 | /* increment interface count */ | |
636 | dev->interface_count++; | |
637 | ||
638 | /* get device number */ | |
639 | nr = dev->devno; | |
640 | ||
90960744 MCC |
641 | /* |
642 | * set skip interface, for all interfaces but | |
643 | * interface 1 and the last one | |
644 | */ | |
645 | if ((ifnum != 1) && ((dev->interface_count - 1) | |
646 | != dev->max_iad_interface_count)) | |
647 | skip_interface = 1; | |
648 | ||
649 | if (ifnum == 1) { | |
650 | assoc_desc = udev->actconfig->intf_assoc[0]; | |
651 | if (assoc_desc->bFirstInterface != ifnum) { | |
652 | cx231xx_err(DRIVER_NAME ": Not found " | |
653 | "matching IAD interface\n"); | |
654 | return -ENODEV; | |
655 | } | |
84b5dbf3 MCC |
656 | } |
657 | } | |
e0d3bafd | 658 | |
90960744 MCC |
659 | if (skip_interface) |
660 | return -ENODEV; | |
e0d3bafd | 661 | |
90960744 | 662 | cx231xx_info("registering interface %d\n", ifnum); |
e0d3bafd | 663 | |
90960744 MCC |
664 | /* save our data pointer in this interface device */ |
665 | usb_set_intfdata(lif, dev); | |
e0d3bafd | 666 | |
90960744 MCC |
667 | if ((dev->interface_count - 1) != dev->max_iad_interface_count) |
668 | return 0; | |
84b5dbf3 | 669 | |
90960744 MCC |
670 | /* |
671 | * AV device initialization - only done at the last interface | |
672 | */ | |
b1196126 | 673 | |
90960744 | 674 | /* Create v4l2 device */ |
7231748a | 675 | retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); |
90960744 MCC |
676 | if (retval) { |
677 | cx231xx_errdev("v4l2_device_register failed\n"); | |
678 | cx231xx_devused &= ~(1 << nr); | |
679 | kfree(dev); | |
680 | return -EIO; | |
681 | } | |
84b5dbf3 | 682 | |
90960744 MCC |
683 | /* allocate device struct */ |
684 | retval = cx231xx_init_dev(&dev, udev, nr); | |
685 | if (retval) { | |
686 | cx231xx_devused &= ~(1 << dev->devno); | |
687 | v4l2_device_unregister(&dev->v4l2_dev); | |
688 | kfree(dev); | |
689 | return retval; | |
690 | } | |
84b5dbf3 | 691 | |
90960744 MCC |
692 | /* compute alternate max packet sizes for video */ |
693 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
694 | hs_config_info[0].interface_info.video_index + 1]; | |
695 | ||
696 | dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0]. | |
697 | endpoint[isoc_pipe].desc.bEndpointAddress); | |
698 | ||
699 | dev->video_mode.num_alt = uif->num_altsetting; | |
700 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
701 | dev->video_mode.end_point_addr, | |
702 | dev->video_mode.num_alt); | |
703 | dev->video_mode.alt_max_pkt_size = | |
704 | kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL); | |
705 | ||
706 | if (dev->video_mode.alt_max_pkt_size == NULL) { | |
707 | cx231xx_errdev("out of memory!\n"); | |
708 | cx231xx_devused &= ~(1 << nr); | |
709 | v4l2_device_unregister(&dev->v4l2_dev); | |
710 | kfree(dev); | |
711 | return -ENOMEM; | |
712 | } | |
84b5dbf3 | 713 | |
90960744 MCC |
714 | for (i = 0; i < dev->video_mode.num_alt; i++) { |
715 | u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
716 | desc.wMaxPacketSize); | |
717 | dev->video_mode.alt_max_pkt_size[i] = | |
718 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
719 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
720 | dev->video_mode.alt_max_pkt_size[i]); | |
721 | } | |
84b5dbf3 | 722 | |
90960744 MCC |
723 | /* compute alternate max packet sizes for vbi */ |
724 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
725 | hs_config_info[0].interface_info. | |
726 | vanc_index + 1]; | |
727 | ||
728 | dev->vbi_mode.end_point_addr = | |
729 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc. | |
730 | bEndpointAddress); | |
731 | ||
732 | dev->vbi_mode.num_alt = uif->num_altsetting; | |
733 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
734 | dev->vbi_mode.end_point_addr, | |
735 | dev->vbi_mode.num_alt); | |
736 | dev->vbi_mode.alt_max_pkt_size = | |
737 | kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL); | |
738 | ||
739 | if (dev->vbi_mode.alt_max_pkt_size == NULL) { | |
740 | cx231xx_errdev("out of memory!\n"); | |
741 | cx231xx_devused &= ~(1 << nr); | |
742 | v4l2_device_unregister(&dev->v4l2_dev); | |
743 | kfree(dev); | |
744 | return -ENOMEM; | |
745 | } | |
84b5dbf3 | 746 | |
90960744 MCC |
747 | for (i = 0; i < dev->vbi_mode.num_alt; i++) { |
748 | u16 tmp = | |
749 | le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
750 | desc.wMaxPacketSize); | |
751 | dev->vbi_mode.alt_max_pkt_size[i] = | |
752 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
753 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
754 | dev->vbi_mode.alt_max_pkt_size[i]); | |
755 | } | |
84b5dbf3 | 756 | |
90960744 MCC |
757 | /* compute alternate max packet sizes for sliced CC */ |
758 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
759 | hs_config_info[0].interface_info. | |
760 | hanc_index + 1]; | |
761 | ||
762 | dev->sliced_cc_mode.end_point_addr = | |
763 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc. | |
764 | bEndpointAddress); | |
765 | ||
766 | dev->sliced_cc_mode.num_alt = uif->num_altsetting; | |
767 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
768 | dev->sliced_cc_mode.end_point_addr, | |
769 | dev->sliced_cc_mode.num_alt); | |
770 | dev->sliced_cc_mode.alt_max_pkt_size = | |
771 | kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL); | |
772 | ||
773 | if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) { | |
774 | cx231xx_errdev("out of memory!\n"); | |
775 | cx231xx_devused &= ~(1 << nr); | |
776 | v4l2_device_unregister(&dev->v4l2_dev); | |
777 | kfree(dev); | |
778 | return -ENOMEM; | |
779 | } | |
84b5dbf3 | 780 | |
90960744 MCC |
781 | for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) { |
782 | u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
783 | desc.wMaxPacketSize); | |
784 | dev->sliced_cc_mode.alt_max_pkt_size[i] = | |
785 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
786 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
787 | dev->sliced_cc_mode.alt_max_pkt_size[i]); | |
788 | } | |
84b5dbf3 | 789 | |
90960744 MCC |
790 | if (dev->current_pcb_config.ts1_source != 0xff) { |
791 | /* compute alternate max packet sizes for TS1 */ | |
792 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
793 | hs_config_info[0]. | |
794 | interface_info. | |
795 | ts1_index + 1]; | |
84b5dbf3 | 796 | |
90960744 MCC |
797 | dev->ts1_mode.end_point_addr = |
798 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe]. | |
799 | desc.bEndpointAddress); | |
84b5dbf3 | 800 | |
90960744 MCC |
801 | dev->ts1_mode.num_alt = uif->num_altsetting; |
802 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
803 | dev->ts1_mode.end_point_addr, | |
804 | dev->ts1_mode.num_alt); | |
805 | dev->ts1_mode.alt_max_pkt_size = | |
806 | kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL); | |
84b5dbf3 | 807 | |
90960744 | 808 | if (dev->ts1_mode.alt_max_pkt_size == NULL) { |
84b5dbf3 MCC |
809 | cx231xx_errdev("out of memory!\n"); |
810 | cx231xx_devused &= ~(1 << nr); | |
b1196126 | 811 | v4l2_device_unregister(&dev->v4l2_dev); |
84b5dbf3 MCC |
812 | kfree(dev); |
813 | return -ENOMEM; | |
814 | } | |
815 | ||
90960744 MCC |
816 | for (i = 0; i < dev->ts1_mode.num_alt; i++) { |
817 | u16 tmp = le16_to_cpu(uif->altsetting[i]. | |
84b5dbf3 MCC |
818 | endpoint[isoc_pipe].desc. |
819 | wMaxPacketSize); | |
90960744 MCC |
820 | dev->ts1_mode.alt_max_pkt_size[i] = |
821 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
822 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
84b5dbf3 | 823 | dev->ts1_mode.alt_max_pkt_size[i]); |
84b5dbf3 | 824 | } |
84b5dbf3 | 825 | } |
e0d3bafd | 826 | |
84b5dbf3 | 827 | /* load other modules required */ |
90960744 | 828 | request_modules(dev); |
e0d3bafd SD |
829 | |
830 | return 0; | |
831 | } | |
832 | ||
833 | /* | |
834 | * cx231xx_usb_disconnect() | |
835 | * called when the device gets diconencted | |
836 | * video device will be unregistered on v4l2_close in case it is still open | |
837 | */ | |
838 | static void cx231xx_usb_disconnect(struct usb_interface *interface) | |
839 | { | |
840 | struct cx231xx *dev; | |
841 | ||
84b5dbf3 | 842 | dev = usb_get_intfdata(interface); |
e0d3bafd SD |
843 | usb_set_intfdata(interface, NULL); |
844 | ||
845 | if (!dev) | |
846 | return; | |
847 | ||
90960744 MCC |
848 | if (!dev->udev) |
849 | return; | |
850 | ||
b1196126 SD |
851 | /* delete v4l2 device */ |
852 | v4l2_device_unregister(&dev->v4l2_dev); | |
853 | ||
e0d3bafd SD |
854 | /* wait until all current v4l2 io is finished then deallocate |
855 | resources */ | |
856 | mutex_lock(&dev->lock); | |
857 | ||
858 | wake_up_interruptible_all(&dev->open); | |
859 | ||
860 | if (dev->users) { | |
861 | cx231xx_warn | |
862 | ("device /dev/video%d is open! Deregistration and memory " | |
84b5dbf3 | 863 | "deallocation are deferred on close.\n", dev->vdev->num); |
e0d3bafd SD |
864 | |
865 | dev->state |= DEV_MISCONFIGURED; | |
866 | cx231xx_uninit_isoc(dev); | |
867 | dev->state |= DEV_DISCONNECTED; | |
868 | wake_up_interruptible(&dev->wait_frame); | |
869 | wake_up_interruptible(&dev->wait_stream); | |
870 | } else { | |
871 | dev->state |= DEV_DISCONNECTED; | |
872 | cx231xx_release_resources(dev); | |
873 | } | |
874 | ||
84b5dbf3 | 875 | cx231xx_close_extension(dev); |
e0d3bafd SD |
876 | |
877 | mutex_unlock(&dev->lock); | |
878 | ||
879 | if (!dev->users) { | |
880 | kfree(dev->video_mode.alt_max_pkt_size); | |
84b5dbf3 MCC |
881 | kfree(dev->vbi_mode.alt_max_pkt_size); |
882 | kfree(dev->sliced_cc_mode.alt_max_pkt_size); | |
883 | kfree(dev->ts1_mode.alt_max_pkt_size); | |
e0d3bafd SD |
884 | kfree(dev); |
885 | } | |
886 | } | |
887 | ||
888 | static struct usb_driver cx231xx_usb_driver = { | |
889 | .name = "cx231xx", | |
890 | .probe = cx231xx_usb_probe, | |
891 | .disconnect = cx231xx_usb_disconnect, | |
892 | .id_table = cx231xx_id_table, | |
893 | }; | |
894 | ||
895 | static int __init cx231xx_module_init(void) | |
896 | { | |
897 | int result; | |
898 | ||
818fdf34 | 899 | printk(KERN_INFO DRIVER_NAME " v4l2 driver loaded.\n"); |
e0d3bafd SD |
900 | |
901 | /* register this driver with the USB subsystem */ | |
902 | result = usb_register(&cx231xx_usb_driver); | |
903 | if (result) | |
904 | cx231xx_err(DRIVER_NAME | |
84b5dbf3 | 905 | " usb_register failed. Error number %d.\n", result); |
e0d3bafd SD |
906 | |
907 | return result; | |
908 | } | |
909 | ||
910 | static void __exit cx231xx_module_exit(void) | |
911 | { | |
912 | /* deregister this driver with the USB subsystem */ | |
913 | usb_deregister(&cx231xx_usb_driver); | |
914 | } | |
915 | ||
916 | module_init(cx231xx_module_init); | |
917 | module_exit(cx231xx_module_exit); |