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e0d3bafd SD |
1 | /* |
2 | cx231xx-cards.c - driver for Conexant Cx23100/101/102 USB video capture devices | |
3 | ||
4 | Copyright (C) 2008 <srinivasa.deevi at conexant dot com> | |
84b5dbf3 | 5 | Based on em28xx driver |
e0d3bafd SD |
6 | |
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
22 | #include <linux/init.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/delay.h> | |
25 | #include <linux/i2c.h> | |
26 | #include <linux/usb.h> | |
27 | #include <media/tuner.h> | |
28 | #include <media/tveeprom.h> | |
29 | #include <media/v4l2-common.h> | |
30 | #include <media/v4l2-chip-ident.h> | |
31 | ||
32 | #include <media/cx25840.h> | |
33 | #include "xc5000.h" | |
34 | ||
35 | #include "cx231xx.h" | |
36 | ||
37 | static int tuner = -1; | |
38 | module_param(tuner, int, 0444); | |
39 | MODULE_PARM_DESC(tuner, "tuner type"); | |
40 | ||
41 | static unsigned int disable_ir; | |
42 | module_param(disable_ir, int, 0444); | |
43 | MODULE_PARM_DESC(disable_ir, "disable infrared remote support"); | |
44 | ||
45 | /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */ | |
46 | static unsigned long cx231xx_devused; | |
47 | ||
48 | /* | |
49 | * Reset sequences for analog/digital modes | |
50 | */ | |
51 | ||
52 | static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = { | |
84b5dbf3 MCC |
53 | {0x03, 0x01, 10}, |
54 | {0x03, 0x00, 30}, | |
55 | {0x03, 0x01, 10}, | |
56 | {-1, -1, -1}, | |
e0d3bafd SD |
57 | }; |
58 | ||
e0d3bafd SD |
59 | /* |
60 | * Board definitions | |
61 | */ | |
62 | struct cx231xx_board cx231xx_boards[] = { | |
63 | ||
64 | [CX231XX_BOARD_UNKNOWN] = { | |
84b5dbf3 MCC |
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 = | |
74 | CX231XX_VMUX_COMPOSITE1, | |
75 | .vmux = CX231XX_VIN_2_1, | |
76 | .amux = CX231XX_AMUX_LINE_IN, | |
77 | .gpio = 0, | |
78 | }, { | |
79 | .type = | |
80 | CX231XX_VMUX_SVIDEO, | |
81 | .vmux = | |
82 | CX231XX_VIN_1_1 | | |
83 | (CX231XX_VIN_1_2 << 8) | | |
84 | CX25840_SVIDEO_ON, | |
85 | .amux = | |
86 | CX231XX_AMUX_LINE_IN, | |
87 | .gpio = 0, | |
88 | }}, | |
89 | }, | |
e0d3bafd SD |
90 | |
91 | [CX231XX_BOARD_CNXT_RDE_250] = { | |
84b5dbf3 MCC |
92 | .name = "Conexant Hybrid TV - RDE250", |
93 | .valid = CX231XX_BOARD_VALIDATED, | |
94 | .tuner_type = TUNER_XC5000, | |
95 | .tuner_addr = 0x61, | |
96 | .tuner_gpio = RDE250_XCV_TUNER, | |
97 | .tuner_sif_gpio = 0x05, | |
98 | .tuner_scl_gpio = 0x1a, | |
99 | .tuner_sda_gpio = 0x1b, | |
100 | .decoder = CX231XX_AVDECODER, | |
101 | .demod_xfer_mode = 0, | |
102 | .ctl_pin_status_mask = 0xFFFFFFC4, | |
103 | .agc_analog_digital_select_gpio = 0x0c, | |
104 | .gpio_pin_status_mask = 0x4001000, | |
105 | .tuner_i2c_master = 1, | |
106 | .demod_i2c_master = 2, | |
107 | .has_dvb = 1, | |
108 | .demod_addr = 0x02, | |
109 | .norm = V4L2_STD_PAL, | |
110 | ||
111 | .input = {{ | |
112 | .type = | |
113 | CX231XX_VMUX_TELEVISION, | |
114 | .vmux = CX231XX_VIN_3_1, | |
115 | .amux = CX231XX_AMUX_VIDEO, | |
116 | .gpio = 0, | |
117 | }, { | |
118 | .type = | |
119 | CX231XX_VMUX_COMPOSITE1, | |
120 | .vmux = CX231XX_VIN_2_1, | |
121 | .amux = | |
122 | CX231XX_AMUX_LINE_IN, | |
123 | .gpio = 0, | |
124 | }, { | |
125 | .type = | |
126 | CX231XX_VMUX_SVIDEO, | |
127 | .vmux = | |
128 | CX231XX_VIN_1_1 | | |
129 | (CX231XX_VIN_1_2 << | |
130 | 8) | | |
131 | CX25840_SVIDEO_ON, | |
132 | .amux = | |
133 | CX231XX_AMUX_LINE_IN, | |
134 | .gpio = 0, | |
135 | }}, | |
136 | }, | |
137 | ||
138 | [CX231XX_BOARD_CNXT_RDU_250] = { | |
139 | .name = "Conexant Hybrid TV - RDU250", | |
140 | .valid = CX231XX_BOARD_VALIDATED, | |
141 | .tuner_type = TUNER_XC5000, | |
142 | .tuner_addr = 0x61, | |
143 | .tuner_gpio = RDE250_XCV_TUNER, | |
144 | .tuner_sif_gpio = 0x05, | |
145 | .tuner_scl_gpio = 0x1a, | |
146 | .tuner_sda_gpio = 0x1b, | |
147 | .decoder = CX231XX_AVDECODER, | |
148 | .demod_xfer_mode = 0, | |
149 | .ctl_pin_status_mask = 0xFFFFFFC4, | |
150 | .agc_analog_digital_select_gpio = 0x0c, | |
151 | .gpio_pin_status_mask = 0x4001000, | |
152 | .tuner_i2c_master = 1, | |
153 | .demod_i2c_master = 2, | |
154 | .has_dvb = 1, | |
155 | .demod_addr = 0x32, | |
156 | .norm = V4L2_STD_NTSC, | |
157 | ||
158 | .input = {{ | |
159 | .type = | |
160 | CX231XX_VMUX_TELEVISION, | |
161 | .vmux = CX231XX_VIN_3_1, | |
162 | .amux = CX231XX_AMUX_VIDEO, | |
163 | .gpio = 0, | |
164 | }, { | |
165 | .type = | |
166 | CX231XX_VMUX_COMPOSITE1, | |
167 | .vmux = CX231XX_VIN_2_1, | |
168 | .amux = | |
169 | CX231XX_AMUX_LINE_IN, | |
170 | .gpio = 0, | |
171 | }, { | |
172 | .type = | |
173 | CX231XX_VMUX_SVIDEO, | |
174 | .vmux = | |
175 | CX231XX_VIN_1_1 | | |
176 | (CX231XX_VIN_1_2 << | |
177 | 8) | | |
178 | CX25840_SVIDEO_ON, | |
179 | .amux = | |
180 | CX231XX_AMUX_LINE_IN, | |
181 | .gpio = 0, | |
182 | }}, | |
183 | }, | |
e0d3bafd SD |
184 | }; |
185 | const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards); | |
186 | ||
187 | /* table of devices that work with this driver */ | |
84b5dbf3 MCC |
188 | struct usb_device_id cx231xx_id_table[] = { |
189 | {USB_DEVICE(0x0572, 0x58A0), | |
190 | .driver_info = CX231XX_BOARD_UNKNOWN}, | |
191 | {USB_DEVICE(0x0572, 0x58A2), | |
192 | .driver_info = CX231XX_BOARD_CNXT_RDE_250}, | |
193 | {USB_DEVICE(0x0572, 0x5A3C), | |
194 | .driver_info = CX231XX_BOARD_CNXT_RDU_250}, | |
195 | {}, | |
e0d3bafd | 196 | }; |
84b5dbf3 | 197 | |
e0d3bafd SD |
198 | MODULE_DEVICE_TABLE(usb, cx231xx_id_table); |
199 | ||
200 | /* cx231xx_tuner_callback | |
201 | * will be used to reset XC5000 tuner using GPIO pin | |
202 | */ | |
203 | ||
204 | int cx231xx_tuner_callback(void *ptr, int component, int command, int arg) | |
205 | { | |
206 | int rc = 0; | |
207 | struct cx231xx *dev = ptr; | |
208 | ||
84b5dbf3 MCC |
209 | if (dev->tuner_type == TUNER_XC5000) { |
210 | if (command == XC5000_TUNER_RESET) { | |
211 | cx231xx_info | |
212 | ("Tuner Call back : RESET : command %d : tuner type %d \n", | |
213 | command, dev->tuner_type); | |
214 | ||
215 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, | |
216 | 1); | |
217 | msleep(10); | |
218 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, | |
219 | 0); | |
220 | msleep(330); | |
221 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, | |
222 | 1); | |
223 | msleep(10); | |
224 | } | |
225 | } | |
e0d3bafd SD |
226 | return rc; |
227 | } | |
84b5dbf3 | 228 | |
e0d3bafd SD |
229 | EXPORT_SYMBOL_GPL(cx231xx_tuner_callback); |
230 | ||
231 | static void inline cx231xx_set_model(struct cx231xx *dev) | |
232 | { | |
233 | memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board)); | |
234 | } | |
235 | ||
236 | /* Since cx231xx_pre_card_setup() requires a proper dev->model, | |
237 | * this won't work for boards with generic PCI IDs | |
238 | */ | |
239 | void cx231xx_pre_card_setup(struct cx231xx *dev) | |
240 | { | |
241 | ||
242 | cx231xx_set_model(dev); | |
243 | ||
244 | cx231xx_info("Identified as %s (card=%d)\n", | |
84b5dbf3 | 245 | dev->board.name, dev->model); |
e0d3bafd SD |
246 | |
247 | /* Do card specific if any */ | |
248 | switch (dev->model) { | |
84b5dbf3 MCC |
249 | case CX231XX_BOARD_CNXT_RDE_250: |
250 | /* do card specific GPIO settings if required */ | |
251 | cx231xx_info("Precard: Board is Conexnat RDE 250\n"); | |
252 | /* set the direction for GPIO pins */ | |
253 | cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1); | |
254 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1); | |
255 | cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1); | |
256 | break; | |
257 | case CX231XX_BOARD_CNXT_RDU_250: | |
258 | /* do card specific GPIO settings if required */ | |
259 | cx231xx_info("Precard: Board is Conexnat RDU 250\n"); | |
260 | /* set the direction for GPIO pins */ | |
261 | cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1); | |
262 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1); | |
263 | cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1); | |
264 | break; | |
e0d3bafd SD |
265 | } |
266 | ||
267 | /* request some modules if any required */ | |
268 | ||
84b5dbf3 | 269 | /* reset the Tuner */ |
e0d3bafd SD |
270 | cx231xx_gpio_set(dev, dev->board.tuner_gpio); |
271 | ||
84b5dbf3 | 272 | /* set the mode to Analog mode initially */ |
e0d3bafd SD |
273 | cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); |
274 | ||
275 | /* Unlock device */ | |
276 | /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */ | |
277 | ||
278 | } | |
279 | ||
280 | #if 0 | |
281 | ||
282 | static void cx231xx_config_tuner(struct cx231xx *dev) | |
283 | { | |
84b5dbf3 MCC |
284 | struct tuner_setup tun_setup; |
285 | struct v4l2_frequency f; | |
e0d3bafd SD |
286 | |
287 | if (dev->tuner_type == TUNER_ABSENT) | |
288 | return; | |
289 | ||
290 | tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; | |
291 | tun_setup.type = dev->tuner_type; | |
292 | tun_setup.addr = dev->tuner_addr; | |
293 | tun_setup.tuner_callback = cx231xx_tuner_callback; | |
294 | ||
84b5dbf3 MCC |
295 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], TUNER_SET_TYPE_ADDR, |
296 | &tun_setup); | |
e0d3bafd | 297 | #if 0 |
84b5dbf3 | 298 | if (tun_setup.type == TUNER_XC5000) { |
e0d3bafd SD |
299 | static struct xc2028_ctrl ctrl = { |
300 | .fname = XC5000_DEFAULT_FIRMWARE, | |
301 | .max_len = 64, | |
84b5dbf3 | 302 | .demod = 0; |
e0d3bafd SD |
303 | }; |
304 | struct v4l2_priv_tun_config cfg = { | |
305 | .tuner = dev->tuner_type, | |
306 | .priv = &ctrl, | |
307 | }; | |
84b5dbf3 MCC |
308 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], TUNER_SET_CONFIG, |
309 | &cfg); | |
e0d3bafd SD |
310 | } |
311 | #endif | |
312 | ||
313 | /* configure tuner */ | |
314 | f.tuner = 0; | |
315 | f.type = V4L2_TUNER_ANALOG_TV; | |
84b5dbf3 | 316 | f.frequency = 9076; /* just a magic number */ |
e0d3bafd SD |
317 | dev->ctl_freq = f.frequency; |
318 | cx231xx_i2c_call_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, &f); | |
319 | } | |
320 | ||
321 | #endif | |
322 | ||
323 | /* ----------------------------------------------------------------------- */ | |
324 | void cx231xx_set_ir(struct cx231xx *dev, struct IR_i2c *ir) | |
325 | { | |
326 | if (disable_ir) { | |
327 | ir->get_key = NULL; | |
84b5dbf3 | 328 | return; |
e0d3bafd SD |
329 | } |
330 | ||
331 | /* detect & configure */ | |
332 | switch (dev->model) { | |
333 | ||
84b5dbf3 MCC |
334 | case CX231XX_BOARD_CNXT_RDE_250: |
335 | break; | |
336 | case CX231XX_BOARD_CNXT_RDU_250: | |
337 | break; | |
338 | default: | |
339 | break; | |
e0d3bafd SD |
340 | } |
341 | } | |
342 | ||
343 | void cx231xx_card_setup(struct cx231xx *dev) | |
344 | { | |
345 | cx231xx_set_model(dev); | |
346 | ||
347 | dev->tuner_type = cx231xx_boards[dev->model].tuner_type; | |
348 | if (cx231xx_boards[dev->model].tuner_addr) | |
349 | dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr; | |
350 | ||
84b5dbf3 MCC |
351 | cx231xx_info(": tuner type %d, tuner address %d \n", |
352 | dev->tuner_type, dev->tuner_addr); | |
e0d3bafd SD |
353 | |
354 | /* Do card specific if any */ | |
355 | switch (dev->model) { | |
84b5dbf3 MCC |
356 | case CX231XX_BOARD_CNXT_RDE_250: |
357 | /* do card specific GPIO settings if required */ | |
358 | cx231xx_info("Board is Conexnat RDE 250\n"); | |
359 | break; | |
360 | case CX231XX_BOARD_CNXT_RDU_250: | |
361 | /* do card specific GPIO settings if required */ | |
362 | cx231xx_info("Board is Conexnat RDU 250\n"); | |
363 | break; | |
e0d3bafd SD |
364 | } |
365 | ||
366 | if (dev->board.valid == CX231XX_BOARD_NOT_VALIDATED) { | |
367 | cx231xx_errdev("\n\n"); | |
368 | cx231xx_errdev("The support for this board weren't " | |
84b5dbf3 | 369 | "valid yet.\n"); |
e0d3bafd SD |
370 | cx231xx_errdev("Please send a report of having this working\n"); |
371 | cx231xx_errdev("not to V4L mailing list (and/or to other " | |
84b5dbf3 | 372 | "addresses)\n\n"); |
e0d3bafd SD |
373 | } |
374 | ||
e0d3bafd | 375 | /* request some modules */ |
84b5dbf3 MCC |
376 | if (dev->board.decoder == CX231XX_AVDECODER) { |
377 | cx231xx_info(": Requesting cx25840 module\n"); | |
e0d3bafd | 378 | request_module("cx25840"); |
84b5dbf3 | 379 | } |
e0d3bafd | 380 | #if 0 |
84b5dbf3 MCC |
381 | if (dev->board.tuner_type != TUNER_ABSENT) { |
382 | cx231xx_info(": Requesting Tuner module\n"); | |
e0d3bafd | 383 | request_module("tuner"); |
84b5dbf3 | 384 | } |
e0d3bafd SD |
385 | |
386 | cx231xx_config_tuner(dev); | |
387 | ||
84b5dbf3 | 388 | /* TBD IR will be added later */ |
e0d3bafd SD |
389 | cx231xx_ir_init(dev); |
390 | #endif | |
391 | } | |
392 | ||
e0d3bafd SD |
393 | /* |
394 | * cx231xx_config() | |
395 | * inits registers with sane defaults | |
396 | */ | |
397 | int cx231xx_config(struct cx231xx *dev) | |
398 | { | |
84b5dbf3 | 399 | /* TBD need to add cx231xx specific code */ |
e0d3bafd SD |
400 | dev->mute = 1; /* maybe not the right place... */ |
401 | dev->volume = 0x1f; | |
402 | ||
403 | return 0; | |
404 | } | |
405 | ||
406 | /* | |
407 | * cx231xx_config_i2c() | |
408 | * configure i2c attached devices | |
409 | */ | |
410 | void cx231xx_config_i2c(struct cx231xx *dev) | |
411 | { | |
412 | struct v4l2_routing route; | |
413 | ||
414 | route.input = INPUT(dev->video_input)->vmux; | |
415 | route.output = 0; | |
416 | ||
417 | cx231xx_i2c_call_clients(&dev->i2c_bus[0], VIDIOC_STREAMON, NULL); | |
418 | } | |
419 | ||
420 | /* | |
421 | * cx231xx_realease_resources() | |
422 | * unregisters the v4l2,i2c and usb devices | |
423 | * called when the device gets disconected or at module unload | |
424 | */ | |
425 | void cx231xx_release_resources(struct cx231xx *dev) | |
426 | { | |
427 | ||
84b5dbf3 | 428 | #if 0 /* TBD IR related */ |
e0d3bafd SD |
429 | if (dev->ir) |
430 | cx231xx_ir_fini(dev); | |
431 | #endif | |
432 | ||
433 | cx231xx_release_analog_resources(dev); | |
434 | ||
84b5dbf3 | 435 | cx231xx_remove_from_devlist(dev); |
e0d3bafd | 436 | |
84b5dbf3 | 437 | cx231xx_dev_uninit(dev); |
e0d3bafd SD |
438 | |
439 | usb_put_dev(dev->udev); | |
440 | ||
441 | /* Mark device as unused */ | |
84b5dbf3 | 442 | cx231xx_devused &= ~(1 << dev->devno); |
e0d3bafd SD |
443 | } |
444 | ||
e0d3bafd SD |
445 | /* |
446 | * cx231xx_init_dev() | |
447 | * allocates and inits the device structs, registers i2c bus and v4l device | |
448 | */ | |
449 | static int cx231xx_init_dev(struct cx231xx **devhandle, struct usb_device *udev, | |
84b5dbf3 | 450 | int minor) |
e0d3bafd SD |
451 | { |
452 | struct cx231xx *dev = *devhandle; | |
453 | int retval = -ENOMEM; | |
454 | int errCode; | |
455 | unsigned int maxh, maxw; | |
456 | ||
457 | dev->udev = udev; | |
458 | mutex_init(&dev->lock); | |
459 | mutex_init(&dev->ctrl_urb_lock); | |
84b5dbf3 | 460 | mutex_init(&dev->gpio_i2c_lock); |
e0d3bafd | 461 | |
84b5dbf3 MCC |
462 | spin_lock_init(&dev->video_mode.slock); |
463 | spin_lock_init(&dev->vbi_mode.slock); | |
464 | spin_lock_init(&dev->sliced_cc_mode.slock); | |
e0d3bafd SD |
465 | |
466 | init_waitqueue_head(&dev->open); | |
467 | init_waitqueue_head(&dev->wait_frame); | |
468 | init_waitqueue_head(&dev->wait_stream); | |
469 | ||
84b5dbf3 MCC |
470 | dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg; |
471 | dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg; | |
472 | dev->cx231xx_send_usb_command = cx231xx_send_usb_command; | |
473 | dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read; | |
474 | dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write; | |
e0d3bafd | 475 | |
84b5dbf3 MCC |
476 | /* Query cx231xx to find what pcb config it is related to */ |
477 | initialize_cx231xx(dev); | |
e0d3bafd | 478 | |
84b5dbf3 | 479 | /* Cx231xx pre card setup */ |
e0d3bafd SD |
480 | cx231xx_pre_card_setup(dev); |
481 | ||
482 | errCode = cx231xx_config(dev); | |
483 | if (errCode) { | |
484 | cx231xx_errdev("error configuring device\n"); | |
485 | return -ENOMEM; | |
486 | } | |
487 | ||
84b5dbf3 | 488 | /* set default norm */ |
e0d3bafd SD |
489 | dev->norm = dev->board.norm; |
490 | ||
491 | /* register i2c bus */ | |
492 | errCode = cx231xx_dev_init(dev); | |
493 | if (errCode < 0) { | |
494 | cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n", | |
84b5dbf3 | 495 | __func__, errCode); |
e0d3bafd SD |
496 | return errCode; |
497 | } | |
498 | ||
499 | /* Do board specific init */ | |
500 | cx231xx_card_setup(dev); | |
501 | ||
502 | /* configure the device */ | |
503 | cx231xx_config_i2c(dev); | |
504 | ||
505 | maxw = norm_maxw(dev); | |
506 | maxh = norm_maxh(dev); | |
507 | ||
508 | /* set default image size */ | |
509 | dev->width = maxw; | |
510 | dev->height = maxh; | |
511 | dev->interlaced = 0; | |
512 | dev->hscale = 0; | |
513 | dev->vscale = 0; | |
514 | dev->video_input = 0; | |
515 | ||
516 | errCode = cx231xx_config(dev); | |
517 | if (errCode < 0) { | |
518 | cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n", | |
84b5dbf3 | 519 | __func__, errCode); |
e0d3bafd SD |
520 | return errCode; |
521 | } | |
522 | ||
523 | /* init video dma queues */ | |
524 | INIT_LIST_HEAD(&dev->video_mode.vidq.active); | |
525 | INIT_LIST_HEAD(&dev->video_mode.vidq.queued); | |
526 | ||
84b5dbf3 | 527 | /* init vbi dma queues */ |
e0d3bafd SD |
528 | INIT_LIST_HEAD(&dev->vbi_mode.vidq.active); |
529 | INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued); | |
530 | ||
531 | /* Reset other chips required if they are tied up with GPIO pins */ | |
532 | ||
84b5dbf3 | 533 | cx231xx_add_into_devlist(dev); |
e0d3bafd SD |
534 | |
535 | retval = cx231xx_register_analog_devices(dev); | |
536 | if (retval < 0) { | |
537 | cx231xx_release_resources(dev); | |
538 | goto fail_reg_devices; | |
539 | } | |
540 | ||
541 | cx231xx_init_extension(dev); | |
542 | ||
543 | return 0; | |
544 | ||
84b5dbf3 | 545 | fail_reg_devices: |
e0d3bafd SD |
546 | mutex_unlock(&dev->lock); |
547 | return retval; | |
548 | } | |
549 | ||
550 | #if defined(CONFIG_MODULES) && defined(MODULE) | |
551 | static void request_module_async(struct work_struct *work) | |
552 | { | |
553 | struct cx231xx *dev = container_of(work, | |
84b5dbf3 | 554 | struct cx231xx, request_module_wk); |
e0d3bafd SD |
555 | |
556 | if (dev->has_alsa_audio) | |
557 | request_module("cx231xx-alsa"); | |
558 | ||
559 | if (dev->board.has_dvb) | |
560 | request_module("cx231xx-dvb"); | |
561 | ||
562 | } | |
563 | ||
564 | static void request_modules(struct cx231xx *dev) | |
565 | { | |
566 | INIT_WORK(&dev->request_module_wk, request_module_async); | |
567 | schedule_work(&dev->request_module_wk); | |
568 | } | |
569 | #else | |
570 | #define request_modules(dev) | |
571 | #endif /* CONFIG_MODULES */ | |
572 | ||
e0d3bafd SD |
573 | /* |
574 | * cx231xx_usb_probe() | |
575 | * checks for supported devices | |
576 | */ | |
577 | static int cx231xx_usb_probe(struct usb_interface *interface, | |
84b5dbf3 | 578 | const struct usb_device_id *id) |
e0d3bafd SD |
579 | { |
580 | struct usb_device *udev; | |
581 | struct usb_interface *uif; | |
582 | struct cx231xx *dev = NULL; | |
583 | int retval = -ENODEV; | |
84b5dbf3 | 584 | int nr, ifnum; |
e0d3bafd SD |
585 | int i, isoc_pipe = 0; |
586 | char *speed; | |
587 | char descr[255] = ""; | |
84b5dbf3 MCC |
588 | struct usb_interface *lif = NULL; |
589 | int skip_interface = 0; | |
590 | struct usb_interface_assoc_descriptor *assoc_desc; | |
e0d3bafd SD |
591 | |
592 | udev = usb_get_dev(interface_to_usbdev(interface)); | |
593 | ifnum = interface->altsetting[0].desc.bInterfaceNumber; | |
594 | ||
84b5dbf3 MCC |
595 | cx231xx_info(": Interface Number %d\n", ifnum); |
596 | ||
597 | /* Interface number 0 - IR interface */ | |
598 | if (ifnum == 0) { | |
599 | /* Check to see next free device and mark as used */ | |
600 | nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS); | |
601 | cx231xx_devused |= 1 << nr; | |
602 | ||
603 | if (nr >= CX231XX_MAXBOARDS) { | |
604 | cx231xx_info(": Supports only %i cx231xx boards.\n", | |
605 | CX231XX_MAXBOARDS); | |
606 | cx231xx_devused &= ~(1 << nr); | |
607 | return -ENOMEM; | |
608 | } | |
609 | ||
610 | /* allocate memory for our device state and initialize it */ | |
611 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | |
612 | if (dev == NULL) { | |
613 | cx231xx_err(DRIVER_NAME ": out of memory!\n"); | |
614 | cx231xx_devused &= ~(1 << nr); | |
615 | return -ENOMEM; | |
616 | } | |
617 | ||
618 | snprintf(dev->name, 29, "cx231xx #%d", nr); | |
619 | dev->devno = nr; | |
620 | dev->model = id->driver_info; | |
621 | dev->video_mode.alt = -1; | |
622 | dev->interface_count++; | |
623 | ||
624 | /* reset gpio dir and value */ | |
625 | dev->gpio_dir = 0; | |
626 | dev->gpio_val = 0; | |
627 | dev->xc_fw_load_done = 0; | |
e0d3bafd | 628 | dev->has_alsa_audio = 1; |
84b5dbf3 MCC |
629 | dev->power_mode = -1; |
630 | ||
631 | dev->vbi_or_sliced_cc_mode = 0; /* 0 - vbi ; 1 -sliced cc mode */ | |
632 | ||
633 | /* get maximum no.of IAD interfaces */ | |
634 | assoc_desc = udev->actconfig->intf_assoc[0]; | |
635 | dev->max_iad_interface_count = assoc_desc->bInterfaceCount; | |
636 | cx231xx_info(": Found IAD interface count %d\n", | |
637 | dev->max_iad_interface_count); | |
638 | ||
639 | /* init CIR module TBD */ | |
640 | ||
641 | /* store the current interface */ | |
642 | lif = interface; | |
643 | ||
644 | } else if (ifnum == 1) { | |
645 | ||
646 | /* Get dev structure first */ | |
647 | dev = usb_get_intfdata(udev->actconfig->interface[0]); | |
648 | if (dev == NULL) { | |
649 | cx231xx_err(DRIVER_NAME ": out of first interface!\n"); | |
650 | return -ENODEV; | |
651 | } | |
652 | ||
653 | /* store the interface 0 back */ | |
654 | lif = udev->actconfig->interface[0]; | |
655 | ||
656 | /* increment interface count */ | |
657 | dev->interface_count++; | |
658 | ||
659 | /* get device number */ | |
660 | nr = dev->devno; | |
661 | ||
662 | assoc_desc = udev->actconfig->intf_assoc[0]; | |
663 | if (assoc_desc->bFirstInterface == ifnum) { | |
664 | cx231xx_info | |
665 | (": Found IAD interface match: AV Descriptor Start!! \n"); | |
666 | } else { | |
667 | cx231xx_err(DRIVER_NAME | |
668 | " Not found matching interface\n"); | |
669 | return -ENODEV; | |
670 | } | |
671 | ||
672 | } else if (ifnum >= 2) { | |
673 | /* Get dev structure first */ | |
674 | dev = usb_get_intfdata(udev->actconfig->interface[0]); | |
675 | if (dev == NULL) { | |
676 | cx231xx_err(DRIVER_NAME ": out of first interface!\n"); | |
677 | return -ENODEV; | |
678 | } | |
679 | ||
680 | /* store the interface 0 back */ | |
681 | lif = udev->actconfig->interface[0]; | |
682 | ||
683 | /* increment interface count */ | |
684 | dev->interface_count++; | |
685 | ||
686 | /* get device number */ | |
687 | nr = dev->devno; | |
688 | ||
689 | /* set skip interface */ | |
690 | if ((dev->interface_count - 1) != dev->max_iad_interface_count) | |
691 | skip_interface = 1; /* set skipping */ | |
692 | else { | |
693 | cx231xx_info | |
694 | (": Found IAD interface number match with AV Device number!! \n"); | |
695 | } | |
696 | } | |
e0d3bafd SD |
697 | |
698 | switch (udev->speed) { | |
699 | case USB_SPEED_LOW: | |
700 | speed = "1.5"; | |
701 | break; | |
702 | case USB_SPEED_UNKNOWN: | |
703 | case USB_SPEED_FULL: | |
704 | speed = "12"; | |
705 | break; | |
706 | case USB_SPEED_HIGH: | |
707 | speed = "480"; | |
708 | break; | |
709 | default: | |
710 | speed = "unknown"; | |
711 | } | |
712 | ||
713 | if (udev->manufacturer) | |
714 | strlcpy(descr, udev->manufacturer, sizeof(descr)); | |
715 | ||
716 | if (udev->product) { | |
717 | if (*descr) | |
718 | strlcat(descr, " ", sizeof(descr)); | |
719 | strlcat(descr, udev->product, sizeof(descr)); | |
720 | } | |
721 | if (*descr) | |
722 | strlcat(descr, " ", sizeof(descr)); | |
723 | ||
724 | cx231xx_info("New device %s@ %s Mbps " | |
84b5dbf3 MCC |
725 | "(%04x:%04x, interface %d, class %d)\n", |
726 | descr, | |
727 | speed, | |
728 | le16_to_cpu(udev->descriptor.idVendor), | |
729 | le16_to_cpu(udev->descriptor.idProduct), | |
730 | ifnum, interface->altsetting->desc.bInterfaceNumber); | |
731 | ||
732 | /* AV device initialization */ | |
733 | if ((dev->interface_count - 1) == dev->max_iad_interface_count) { | |
734 | cx231xx_info(" Calling init_dev\n"); | |
735 | /* allocate device struct */ | |
736 | retval = cx231xx_init_dev(&dev, udev, nr); | |
737 | if (retval) { | |
738 | cx231xx_devused &= ~(1 << dev->devno); | |
739 | kfree(dev); | |
740 | ||
741 | return retval; | |
742 | } | |
743 | ||
744 | /* compute alternate max packet sizes for video */ | |
745 | uif = | |
746 | udev->actconfig->interface[dev->current_pcb_config. | |
747 | hs_config_info[0].interface_info. | |
748 | video_index + 1]; | |
749 | ||
750 | dev->video_mode.end_point_addr = | |
751 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc. | |
752 | bEndpointAddress); | |
753 | ||
754 | dev->video_mode.num_alt = uif->num_altsetting; | |
755 | cx231xx_info(": EndPoint Addr 0x%x, Alternate settings: %i\n", | |
756 | dev->video_mode.end_point_addr, | |
757 | dev->video_mode.num_alt); | |
758 | dev->video_mode.alt_max_pkt_size = | |
759 | kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL); | |
760 | ||
761 | if (dev->video_mode.alt_max_pkt_size == NULL) { | |
762 | cx231xx_errdev("out of memory!\n"); | |
763 | cx231xx_devused &= ~(1 << nr); | |
764 | kfree(dev); | |
765 | return -ENOMEM; | |
766 | } | |
767 | ||
768 | for (i = 0; i < dev->video_mode.num_alt; i++) { | |
769 | u16 tmp = | |
770 | le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
771 | desc.wMaxPacketSize); | |
772 | dev->video_mode.alt_max_pkt_size[i] = | |
773 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
774 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
775 | dev->video_mode.alt_max_pkt_size[i]); | |
776 | } | |
777 | ||
778 | /* compute alternate max packet sizes for vbi */ | |
779 | uif = | |
780 | udev->actconfig->interface[dev->current_pcb_config. | |
781 | hs_config_info[0].interface_info. | |
782 | vanc_index + 1]; | |
783 | ||
784 | dev->vbi_mode.end_point_addr = | |
785 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc. | |
786 | bEndpointAddress); | |
787 | ||
788 | dev->vbi_mode.num_alt = uif->num_altsetting; | |
789 | cx231xx_info(": EndPoint Addr 0x%x, Alternate settings: %i\n", | |
790 | dev->vbi_mode.end_point_addr, | |
791 | dev->vbi_mode.num_alt); | |
792 | dev->vbi_mode.alt_max_pkt_size = | |
793 | kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL); | |
794 | ||
795 | if (dev->vbi_mode.alt_max_pkt_size == NULL) { | |
796 | cx231xx_errdev("out of memory!\n"); | |
797 | cx231xx_devused &= ~(1 << nr); | |
798 | kfree(dev); | |
799 | return -ENOMEM; | |
800 | } | |
801 | ||
802 | for (i = 0; i < dev->vbi_mode.num_alt; i++) { | |
803 | u16 tmp = | |
804 | le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
805 | desc.wMaxPacketSize); | |
806 | dev->vbi_mode.alt_max_pkt_size[i] = | |
807 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
808 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
809 | dev->vbi_mode.alt_max_pkt_size[i]); | |
810 | } | |
811 | ||
812 | /* compute alternate max packet sizes for sliced CC */ | |
813 | uif = | |
814 | udev->actconfig->interface[dev->current_pcb_config. | |
815 | hs_config_info[0].interface_info. | |
816 | hanc_index + 1]; | |
817 | ||
818 | dev->sliced_cc_mode.end_point_addr = | |
819 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc. | |
820 | bEndpointAddress); | |
821 | ||
822 | dev->sliced_cc_mode.num_alt = uif->num_altsetting; | |
823 | cx231xx_info(": EndPoint Addr 0x%x, Alternate settings: %i\n", | |
824 | dev->sliced_cc_mode.end_point_addr, | |
825 | dev->sliced_cc_mode.num_alt); | |
826 | dev->sliced_cc_mode.alt_max_pkt_size = | |
827 | kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL); | |
828 | ||
829 | if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) { | |
830 | cx231xx_errdev("out of memory!\n"); | |
831 | cx231xx_devused &= ~(1 << nr); | |
832 | kfree(dev); | |
833 | return -ENOMEM; | |
834 | } | |
835 | ||
836 | for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) { | |
837 | u16 tmp = | |
838 | le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
839 | desc.wMaxPacketSize); | |
840 | dev->sliced_cc_mode.alt_max_pkt_size[i] = | |
841 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
842 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
843 | dev->sliced_cc_mode.alt_max_pkt_size[i]); | |
844 | } | |
845 | ||
846 | if (dev->current_pcb_config.ts1_source != 0xff) { | |
847 | ||
848 | /* compute alternate max packet sizes for TS1 */ | |
849 | uif = | |
850 | udev->actconfig->interface[dev->current_pcb_config. | |
851 | hs_config_info[0]. | |
852 | interface_info. | |
853 | ts1_index + 1]; | |
854 | ||
855 | dev->ts1_mode.end_point_addr = | |
856 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe]. | |
857 | desc.bEndpointAddress); | |
858 | ||
859 | dev->ts1_mode.num_alt = uif->num_altsetting; | |
860 | cx231xx_info | |
861 | (": EndPoint Addr 0x%x, Alternate settings: %i\n", | |
862 | dev->ts1_mode.end_point_addr, | |
863 | dev->ts1_mode.num_alt); | |
864 | dev->ts1_mode.alt_max_pkt_size = | |
865 | kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL); | |
866 | ||
867 | if (dev->ts1_mode.alt_max_pkt_size == NULL) { | |
868 | cx231xx_errdev("out of memory!\n"); | |
869 | cx231xx_devused &= ~(1 << nr); | |
870 | kfree(dev); | |
871 | return -ENOMEM; | |
872 | } | |
873 | ||
874 | for (i = 0; i < dev->ts1_mode.num_alt; i++) { | |
875 | u16 tmp = | |
876 | le16_to_cpu(uif->altsetting[i]. | |
877 | endpoint[isoc_pipe].desc. | |
878 | wMaxPacketSize); | |
879 | dev->ts1_mode.alt_max_pkt_size[i] = | |
880 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + | |
881 | 1); | |
882 | cx231xx_info | |
883 | ("Alternate setting %i, max size= %i\n", i, | |
884 | dev->ts1_mode.alt_max_pkt_size[i]); | |
885 | } | |
886 | } | |
887 | ||
888 | } | |
e0d3bafd SD |
889 | |
890 | /* save our data pointer in this interface device */ | |
891 | usb_set_intfdata(lif, dev); | |
892 | ||
84b5dbf3 MCC |
893 | /* load other modules required */ |
894 | if ((dev->interface_count - 1) == dev->max_iad_interface_count) { | |
895 | cx231xx_info("Calling request modules\n"); | |
896 | request_modules(dev); | |
897 | } | |
e0d3bafd | 898 | |
84b5dbf3 MCC |
899 | if (skip_interface) { |
900 | cx231xx_info("Skipping the interface\n"); | |
901 | return -ENODEV; | |
902 | } | |
e0d3bafd SD |
903 | |
904 | return 0; | |
905 | } | |
906 | ||
907 | /* | |
908 | * cx231xx_usb_disconnect() | |
909 | * called when the device gets diconencted | |
910 | * video device will be unregistered on v4l2_close in case it is still open | |
911 | */ | |
912 | static void cx231xx_usb_disconnect(struct usb_interface *interface) | |
913 | { | |
914 | struct cx231xx *dev; | |
915 | ||
84b5dbf3 | 916 | dev = usb_get_intfdata(interface); |
e0d3bafd SD |
917 | usb_set_intfdata(interface, NULL); |
918 | ||
919 | if (!dev) | |
920 | return; | |
921 | ||
922 | /* wait until all current v4l2 io is finished then deallocate | |
923 | resources */ | |
924 | mutex_lock(&dev->lock); | |
925 | ||
926 | wake_up_interruptible_all(&dev->open); | |
927 | ||
928 | if (dev->users) { | |
929 | cx231xx_warn | |
930 | ("device /dev/video%d is open! Deregistration and memory " | |
84b5dbf3 | 931 | "deallocation are deferred on close.\n", dev->vdev->num); |
e0d3bafd SD |
932 | |
933 | dev->state |= DEV_MISCONFIGURED; | |
934 | cx231xx_uninit_isoc(dev); | |
935 | dev->state |= DEV_DISCONNECTED; | |
936 | wake_up_interruptible(&dev->wait_frame); | |
937 | wake_up_interruptible(&dev->wait_stream); | |
938 | } else { | |
939 | dev->state |= DEV_DISCONNECTED; | |
940 | cx231xx_release_resources(dev); | |
941 | } | |
942 | ||
84b5dbf3 | 943 | cx231xx_close_extension(dev); |
e0d3bafd SD |
944 | |
945 | mutex_unlock(&dev->lock); | |
946 | ||
947 | if (!dev->users) { | |
948 | kfree(dev->video_mode.alt_max_pkt_size); | |
84b5dbf3 MCC |
949 | kfree(dev->vbi_mode.alt_max_pkt_size); |
950 | kfree(dev->sliced_cc_mode.alt_max_pkt_size); | |
951 | kfree(dev->ts1_mode.alt_max_pkt_size); | |
e0d3bafd SD |
952 | kfree(dev); |
953 | } | |
954 | } | |
955 | ||
956 | static struct usb_driver cx231xx_usb_driver = { | |
957 | .name = "cx231xx", | |
958 | .probe = cx231xx_usb_probe, | |
959 | .disconnect = cx231xx_usb_disconnect, | |
960 | .id_table = cx231xx_id_table, | |
961 | }; | |
962 | ||
963 | static int __init cx231xx_module_init(void) | |
964 | { | |
965 | int result; | |
966 | ||
967 | printk(KERN_INFO DRIVER_NAME " v4l2 driver version %d.%d.%d loaded\n", | |
968 | (CX231XX_VERSION_CODE >> 16) & 0xff, | |
969 | (CX231XX_VERSION_CODE >> 8) & 0xff, CX231XX_VERSION_CODE & 0xff); | |
970 | ||
971 | /* register this driver with the USB subsystem */ | |
972 | result = usb_register(&cx231xx_usb_driver); | |
973 | if (result) | |
974 | cx231xx_err(DRIVER_NAME | |
84b5dbf3 | 975 | " usb_register failed. Error number %d.\n", result); |
e0d3bafd SD |
976 | |
977 | return result; | |
978 | } | |
979 | ||
980 | static void __exit cx231xx_module_exit(void) | |
981 | { | |
982 | /* deregister this driver with the USB subsystem */ | |
983 | usb_deregister(&cx231xx_usb_driver); | |
984 | } | |
985 | ||
986 | module_init(cx231xx_module_init); | |
987 | module_exit(cx231xx_module_exit); |