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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> | |
5a0e3ad6 | 25 | #include <linux/slab.h> |
e0d3bafd SD |
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> | |
3bfb317f | 35 | #include "dvb-usb-ids.h" |
e0d3bafd SD |
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 unsigned int disable_ir; | |
45 | module_param(disable_ir, int, 0444); | |
46 | MODULE_PARM_DESC(disable_ir, "disable infrared remote support"); | |
47 | ||
48 | /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */ | |
49 | static unsigned long cx231xx_devused; | |
50 | ||
51 | /* | |
52 | * Reset sequences for analog/digital modes | |
53 | */ | |
54 | ||
55 | static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = { | |
84b5dbf3 MCC |
56 | {0x03, 0x01, 10}, |
57 | {0x03, 0x00, 30}, | |
58 | {0x03, 0x01, 10}, | |
59 | {-1, -1, -1}, | |
e0d3bafd SD |
60 | }; |
61 | ||
e0d3bafd SD |
62 | /* |
63 | * Board definitions | |
64 | */ | |
65 | struct cx231xx_board cx231xx_boards[] = { | |
e0d3bafd | 66 | [CX231XX_BOARD_UNKNOWN] = { |
6e4f574b SD |
67 | .name = "Unknown CX231xx video grabber", |
68 | .tuner_type = TUNER_ABSENT, | |
69 | .input = {{ | |
70 | .type = CX231XX_VMUX_TELEVISION, | |
71 | .vmux = CX231XX_VIN_3_1, | |
72 | .amux = CX231XX_AMUX_VIDEO, | |
7ee0a288 | 73 | .gpio = NULL, |
6e4f574b SD |
74 | }, { |
75 | .type = CX231XX_VMUX_COMPOSITE1, | |
76 | .vmux = CX231XX_VIN_2_1, | |
77 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 78 | .gpio = NULL, |
6e4f574b SD |
79 | }, { |
80 | .type = CX231XX_VMUX_SVIDEO, | |
81 | .vmux = CX231XX_VIN_1_1 | | |
82 | (CX231XX_VIN_1_2 << 8) | | |
83 | CX25840_SVIDEO_ON, | |
84 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 85 | .gpio = NULL, |
6e4f574b SD |
86 | } |
87 | }, | |
88 | }, | |
e0d3bafd | 89 | [CX231XX_BOARD_CNXT_RDE_250] = { |
6e4f574b SD |
90 | .name = "Conexant Hybrid TV - RDE250", |
91 | .tuner_type = TUNER_XC5000, | |
92 | .tuner_addr = 0x61, | |
93 | .tuner_gpio = RDE250_XCV_TUNER, | |
94 | .tuner_sif_gpio = 0x05, | |
95 | .tuner_scl_gpio = 0x1a, | |
96 | .tuner_sda_gpio = 0x1b, | |
97 | .decoder = CX231XX_AVDECODER, | |
98 | .demod_xfer_mode = 0, | |
99 | .ctl_pin_status_mask = 0xFFFFFFC4, | |
100 | .agc_analog_digital_select_gpio = 0x0c, | |
101 | .gpio_pin_status_mask = 0x4001000, | |
102 | .tuner_i2c_master = 1, | |
103 | .demod_i2c_master = 2, | |
104 | .has_dvb = 1, | |
105 | .demod_addr = 0x02, | |
106 | .norm = V4L2_STD_PAL, | |
107 | ||
108 | .input = {{ | |
109 | .type = CX231XX_VMUX_TELEVISION, | |
110 | .vmux = CX231XX_VIN_3_1, | |
111 | .amux = CX231XX_AMUX_VIDEO, | |
7ee0a288 | 112 | .gpio = NULL, |
6e4f574b SD |
113 | }, { |
114 | .type = CX231XX_VMUX_COMPOSITE1, | |
115 | .vmux = CX231XX_VIN_2_1, | |
116 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 117 | .gpio = NULL, |
6e4f574b SD |
118 | }, { |
119 | .type = CX231XX_VMUX_SVIDEO, | |
120 | .vmux = CX231XX_VIN_1_1 | | |
121 | (CX231XX_VIN_1_2 << 8) | | |
122 | CX25840_SVIDEO_ON, | |
123 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 124 | .gpio = NULL, |
6e4f574b SD |
125 | } |
126 | }, | |
127 | }, | |
84b5dbf3 MCC |
128 | |
129 | [CX231XX_BOARD_CNXT_RDU_250] = { | |
6e4f574b SD |
130 | .name = "Conexant Hybrid TV - RDU250", |
131 | .tuner_type = TUNER_XC5000, | |
132 | .tuner_addr = 0x61, | |
133 | .tuner_gpio = RDE250_XCV_TUNER, | |
134 | .tuner_sif_gpio = 0x05, | |
135 | .tuner_scl_gpio = 0x1a, | |
136 | .tuner_sda_gpio = 0x1b, | |
137 | .decoder = CX231XX_AVDECODER, | |
138 | .demod_xfer_mode = 0, | |
139 | .ctl_pin_status_mask = 0xFFFFFFC4, | |
140 | .agc_analog_digital_select_gpio = 0x0c, | |
141 | .gpio_pin_status_mask = 0x4001000, | |
142 | .tuner_i2c_master = 1, | |
143 | .demod_i2c_master = 2, | |
144 | .has_dvb = 1, | |
145 | .demod_addr = 0x32, | |
146 | .norm = V4L2_STD_NTSC, | |
147 | ||
148 | .input = {{ | |
149 | .type = CX231XX_VMUX_TELEVISION, | |
150 | .vmux = CX231XX_VIN_3_1, | |
151 | .amux = CX231XX_AMUX_VIDEO, | |
7ee0a288 | 152 | .gpio = NULL, |
6e4f574b SD |
153 | }, { |
154 | .type = CX231XX_VMUX_COMPOSITE1, | |
155 | .vmux = CX231XX_VIN_2_1, | |
156 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 157 | .gpio = NULL, |
6e4f574b SD |
158 | }, { |
159 | .type = CX231XX_VMUX_SVIDEO, | |
160 | .vmux = CX231XX_VIN_1_1 | | |
161 | (CX231XX_VIN_1_2 << 8) | | |
162 | CX25840_SVIDEO_ON, | |
163 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 164 | .gpio = NULL, |
6e4f574b SD |
165 | } |
166 | }, | |
167 | }, | |
e0d3bafd SD |
168 | }; |
169 | const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards); | |
170 | ||
171 | /* table of devices that work with this driver */ | |
84b5dbf3 | 172 | struct usb_device_id cx231xx_id_table[] = { |
ed559edf | 173 | {USB_DEVICE(0x0572, 0x5A3C), |
84b5dbf3 MCC |
174 | .driver_info = CX231XX_BOARD_UNKNOWN}, |
175 | {USB_DEVICE(0x0572, 0x58A2), | |
176 | .driver_info = CX231XX_BOARD_CNXT_RDE_250}, | |
ed559edf | 177 | {USB_DEVICE(0x0572, 0x58A1), |
84b5dbf3 | 178 | .driver_info = CX231XX_BOARD_CNXT_RDU_250}, |
3bfb317f MCC |
179 | {USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000,0x4fff), |
180 | .driver_info = CX231XX_BOARD_UNKNOWN}, | |
84b5dbf3 | 181 | {}, |
e0d3bafd | 182 | }; |
84b5dbf3 | 183 | |
e0d3bafd SD |
184 | MODULE_DEVICE_TABLE(usb, cx231xx_id_table); |
185 | ||
186 | /* cx231xx_tuner_callback | |
187 | * will be used to reset XC5000 tuner using GPIO pin | |
188 | */ | |
189 | ||
190 | int cx231xx_tuner_callback(void *ptr, int component, int command, int arg) | |
191 | { | |
192 | int rc = 0; | |
193 | struct cx231xx *dev = ptr; | |
194 | ||
84b5dbf3 MCC |
195 | if (dev->tuner_type == TUNER_XC5000) { |
196 | if (command == XC5000_TUNER_RESET) { | |
197 | cx231xx_info | |
b9255176 SD |
198 | ("Tuner CB: RESET: cmd %d : tuner type %d \n", |
199 | command, dev->tuner_type); | |
84b5dbf3 MCC |
200 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, |
201 | 1); | |
202 | msleep(10); | |
203 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, | |
204 | 0); | |
205 | msleep(330); | |
206 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, | |
207 | 1); | |
208 | msleep(10); | |
209 | } | |
210 | } | |
e0d3bafd SD |
211 | return rc; |
212 | } | |
213 | EXPORT_SYMBOL_GPL(cx231xx_tuner_callback); | |
214 | ||
b9255176 | 215 | static inline void cx231xx_set_model(struct cx231xx *dev) |
e0d3bafd SD |
216 | { |
217 | memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board)); | |
218 | } | |
219 | ||
220 | /* Since cx231xx_pre_card_setup() requires a proper dev->model, | |
221 | * this won't work for boards with generic PCI IDs | |
222 | */ | |
223 | void cx231xx_pre_card_setup(struct cx231xx *dev) | |
224 | { | |
225 | ||
226 | cx231xx_set_model(dev); | |
227 | ||
228 | cx231xx_info("Identified as %s (card=%d)\n", | |
84b5dbf3 | 229 | dev->board.name, dev->model); |
e0d3bafd | 230 | |
6e4f574b SD |
231 | /* set the direction for GPIO pins */ |
232 | cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1); | |
233 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1); | |
234 | cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1); | |
e0d3bafd SD |
235 | |
236 | /* request some modules if any required */ | |
237 | ||
84b5dbf3 | 238 | /* reset the Tuner */ |
e0d3bafd SD |
239 | cx231xx_gpio_set(dev, dev->board.tuner_gpio); |
240 | ||
84b5dbf3 | 241 | /* set the mode to Analog mode initially */ |
e0d3bafd SD |
242 | cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); |
243 | ||
244 | /* Unlock device */ | |
245 | /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */ | |
246 | ||
247 | } | |
248 | ||
e0d3bafd SD |
249 | static void cx231xx_config_tuner(struct cx231xx *dev) |
250 | { | |
84b5dbf3 MCC |
251 | struct tuner_setup tun_setup; |
252 | struct v4l2_frequency f; | |
e0d3bafd SD |
253 | |
254 | if (dev->tuner_type == TUNER_ABSENT) | |
255 | return; | |
256 | ||
257 | tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; | |
258 | tun_setup.type = dev->tuner_type; | |
259 | tun_setup.addr = dev->tuner_addr; | |
260 | tun_setup.tuner_callback = cx231xx_tuner_callback; | |
261 | ||
b1196126 SD |
262 | tuner_call(dev, tuner, s_type_addr, &tun_setup); |
263 | ||
e0d3bafd | 264 | #if 0 |
84b5dbf3 | 265 | if (tun_setup.type == TUNER_XC5000) { |
e0d3bafd SD |
266 | static struct xc2028_ctrl ctrl = { |
267 | .fname = XC5000_DEFAULT_FIRMWARE, | |
268 | .max_len = 64, | |
84b5dbf3 | 269 | .demod = 0; |
e0d3bafd SD |
270 | }; |
271 | struct v4l2_priv_tun_config cfg = { | |
272 | .tuner = dev->tuner_type, | |
273 | .priv = &ctrl, | |
274 | }; | |
b1196126 | 275 | tuner_call(dev, tuner, s_config, &cfg); |
e0d3bafd SD |
276 | } |
277 | #endif | |
e0d3bafd SD |
278 | /* configure tuner */ |
279 | f.tuner = 0; | |
280 | f.type = V4L2_TUNER_ANALOG_TV; | |
84b5dbf3 | 281 | f.frequency = 9076; /* just a magic number */ |
e0d3bafd | 282 | dev->ctl_freq = f.frequency; |
b1196126 | 283 | call_all(dev, tuner, s_frequency, &f); |
e0d3bafd | 284 | |
b1196126 | 285 | } |
e0d3bafd SD |
286 | |
287 | /* ----------------------------------------------------------------------- */ | |
c668f32d | 288 | void cx231xx_register_i2c_ir(struct cx231xx *dev) |
e0d3bafd | 289 | { |
c668f32d | 290 | if (disable_ir) |
84b5dbf3 | 291 | return; |
e0d3bafd | 292 | |
c668f32d | 293 | /* REVISIT: instantiate IR device */ |
c668f32d | 294 | |
e0d3bafd SD |
295 | /* detect & configure */ |
296 | switch (dev->model) { | |
297 | ||
84b5dbf3 MCC |
298 | case CX231XX_BOARD_CNXT_RDE_250: |
299 | break; | |
300 | case CX231XX_BOARD_CNXT_RDU_250: | |
301 | break; | |
302 | default: | |
303 | break; | |
e0d3bafd SD |
304 | } |
305 | } | |
306 | ||
307 | void cx231xx_card_setup(struct cx231xx *dev) | |
308 | { | |
b1196126 | 309 | |
e0d3bafd SD |
310 | cx231xx_set_model(dev); |
311 | ||
312 | dev->tuner_type = cx231xx_boards[dev->model].tuner_type; | |
313 | if (cx231xx_boards[dev->model].tuner_addr) | |
314 | dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr; | |
315 | ||
e0d3bafd | 316 | /* request some modules */ |
84b5dbf3 | 317 | if (dev->board.decoder == CX231XX_AVDECODER) { |
e6574f2f HV |
318 | dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, |
319 | &dev->i2c_bus[0].i2c_adap, | |
53dacb15 | 320 | "cx25840", "cx25840", 0x88 >> 1, NULL); |
b1196126 SD |
321 | if (dev->sd_cx25840 == NULL) |
322 | cx231xx_info("cx25840 subdev registration failure\n"); | |
cc26b076 | 323 | cx25840_call(dev, core, load_fw); |
b1196126 | 324 | |
84b5dbf3 | 325 | } |
b1196126 | 326 | |
84b5dbf3 | 327 | if (dev->board.tuner_type != TUNER_ABSENT) { |
e6574f2f HV |
328 | dev->sd_tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, |
329 | &dev->i2c_bus[1].i2c_adap, | |
53dacb15 | 330 | "tuner", "tuner", 0xc2 >> 1, NULL); |
b1196126 SD |
331 | if (dev->sd_tuner == NULL) |
332 | cx231xx_info("tuner subdev registration failure\n"); | |
333 | ||
334 | cx231xx_config_tuner(dev); | |
84b5dbf3 | 335 | } |
e0d3bafd SD |
336 | |
337 | cx231xx_config_tuner(dev); | |
338 | ||
b1196126 | 339 | #if 0 |
84b5dbf3 | 340 | /* TBD IR will be added later */ |
e0d3bafd SD |
341 | cx231xx_ir_init(dev); |
342 | #endif | |
343 | } | |
344 | ||
e0d3bafd SD |
345 | /* |
346 | * cx231xx_config() | |
347 | * inits registers with sane defaults | |
348 | */ | |
349 | int cx231xx_config(struct cx231xx *dev) | |
350 | { | |
84b5dbf3 | 351 | /* TBD need to add cx231xx specific code */ |
e0d3bafd SD |
352 | dev->mute = 1; /* maybe not the right place... */ |
353 | dev->volume = 0x1f; | |
354 | ||
355 | return 0; | |
356 | } | |
357 | ||
358 | /* | |
359 | * cx231xx_config_i2c() | |
360 | * configure i2c attached devices | |
361 | */ | |
362 | void cx231xx_config_i2c(struct cx231xx *dev) | |
363 | { | |
5325b427 | 364 | /* u32 input = INPUT(dev->video_input)->vmux; */ |
e0d3bafd | 365 | |
b1196126 | 366 | call_all(dev, video, s_stream, 1); |
e0d3bafd SD |
367 | } |
368 | ||
369 | /* | |
370 | * cx231xx_realease_resources() | |
371 | * unregisters the v4l2,i2c and usb devices | |
372 | * called when the device gets disconected or at module unload | |
373 | */ | |
374 | void cx231xx_release_resources(struct cx231xx *dev) | |
375 | { | |
376 | ||
84b5dbf3 | 377 | #if 0 /* TBD IR related */ |
e0d3bafd SD |
378 | if (dev->ir) |
379 | cx231xx_ir_fini(dev); | |
380 | #endif | |
381 | ||
382 | cx231xx_release_analog_resources(dev); | |
383 | ||
84b5dbf3 | 384 | cx231xx_remove_from_devlist(dev); |
e0d3bafd | 385 | |
84b5dbf3 | 386 | cx231xx_dev_uninit(dev); |
e0d3bafd SD |
387 | |
388 | usb_put_dev(dev->udev); | |
389 | ||
390 | /* Mark device as unused */ | |
84b5dbf3 | 391 | cx231xx_devused &= ~(1 << dev->devno); |
e0d3bafd SD |
392 | } |
393 | ||
e0d3bafd SD |
394 | /* |
395 | * cx231xx_init_dev() | |
396 | * allocates and inits the device structs, registers i2c bus and v4l device | |
397 | */ | |
398 | static int cx231xx_init_dev(struct cx231xx **devhandle, struct usb_device *udev, | |
84b5dbf3 | 399 | int minor) |
e0d3bafd SD |
400 | { |
401 | struct cx231xx *dev = *devhandle; | |
402 | int retval = -ENOMEM; | |
403 | int errCode; | |
404 | unsigned int maxh, maxw; | |
405 | ||
406 | dev->udev = udev; | |
407 | mutex_init(&dev->lock); | |
408 | mutex_init(&dev->ctrl_urb_lock); | |
84b5dbf3 | 409 | mutex_init(&dev->gpio_i2c_lock); |
e0d3bafd | 410 | |
84b5dbf3 MCC |
411 | spin_lock_init(&dev->video_mode.slock); |
412 | spin_lock_init(&dev->vbi_mode.slock); | |
413 | spin_lock_init(&dev->sliced_cc_mode.slock); | |
e0d3bafd SD |
414 | |
415 | init_waitqueue_head(&dev->open); | |
416 | init_waitqueue_head(&dev->wait_frame); | |
417 | init_waitqueue_head(&dev->wait_stream); | |
418 | ||
84b5dbf3 MCC |
419 | dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg; |
420 | dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg; | |
421 | dev->cx231xx_send_usb_command = cx231xx_send_usb_command; | |
422 | dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read; | |
423 | dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write; | |
e0d3bafd | 424 | |
84b5dbf3 MCC |
425 | /* Query cx231xx to find what pcb config it is related to */ |
426 | initialize_cx231xx(dev); | |
e0d3bafd | 427 | |
84b5dbf3 | 428 | /* Cx231xx pre card setup */ |
e0d3bafd SD |
429 | cx231xx_pre_card_setup(dev); |
430 | ||
431 | errCode = cx231xx_config(dev); | |
432 | if (errCode) { | |
433 | cx231xx_errdev("error configuring device\n"); | |
434 | return -ENOMEM; | |
435 | } | |
436 | ||
84b5dbf3 | 437 | /* set default norm */ |
e0d3bafd SD |
438 | dev->norm = dev->board.norm; |
439 | ||
440 | /* register i2c bus */ | |
441 | errCode = cx231xx_dev_init(dev); | |
442 | if (errCode < 0) { | |
443 | cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n", | |
84b5dbf3 | 444 | __func__, errCode); |
e0d3bafd SD |
445 | return errCode; |
446 | } | |
447 | ||
448 | /* Do board specific init */ | |
449 | cx231xx_card_setup(dev); | |
450 | ||
451 | /* configure the device */ | |
452 | cx231xx_config_i2c(dev); | |
453 | ||
454 | maxw = norm_maxw(dev); | |
455 | maxh = norm_maxh(dev); | |
456 | ||
457 | /* set default image size */ | |
458 | dev->width = maxw; | |
459 | dev->height = maxh; | |
460 | dev->interlaced = 0; | |
461 | dev->hscale = 0; | |
462 | dev->vscale = 0; | |
463 | dev->video_input = 0; | |
464 | ||
465 | errCode = cx231xx_config(dev); | |
466 | if (errCode < 0) { | |
467 | cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n", | |
84b5dbf3 | 468 | __func__, errCode); |
e0d3bafd SD |
469 | return errCode; |
470 | } | |
471 | ||
472 | /* init video dma queues */ | |
473 | INIT_LIST_HEAD(&dev->video_mode.vidq.active); | |
474 | INIT_LIST_HEAD(&dev->video_mode.vidq.queued); | |
475 | ||
84b5dbf3 | 476 | /* init vbi dma queues */ |
e0d3bafd SD |
477 | INIT_LIST_HEAD(&dev->vbi_mode.vidq.active); |
478 | INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued); | |
479 | ||
480 | /* Reset other chips required if they are tied up with GPIO pins */ | |
481 | ||
84b5dbf3 | 482 | cx231xx_add_into_devlist(dev); |
e0d3bafd SD |
483 | |
484 | retval = cx231xx_register_analog_devices(dev); | |
485 | if (retval < 0) { | |
486 | cx231xx_release_resources(dev); | |
487 | goto fail_reg_devices; | |
488 | } | |
489 | ||
490 | cx231xx_init_extension(dev); | |
491 | ||
492 | return 0; | |
493 | ||
b9255176 | 494 | fail_reg_devices: |
e0d3bafd SD |
495 | mutex_unlock(&dev->lock); |
496 | return retval; | |
497 | } | |
498 | ||
499 | #if defined(CONFIG_MODULES) && defined(MODULE) | |
500 | static void request_module_async(struct work_struct *work) | |
501 | { | |
502 | struct cx231xx *dev = container_of(work, | |
84b5dbf3 | 503 | struct cx231xx, request_module_wk); |
e0d3bafd SD |
504 | |
505 | if (dev->has_alsa_audio) | |
506 | request_module("cx231xx-alsa"); | |
507 | ||
508 | if (dev->board.has_dvb) | |
509 | request_module("cx231xx-dvb"); | |
510 | ||
511 | } | |
512 | ||
513 | static void request_modules(struct cx231xx *dev) | |
514 | { | |
515 | INIT_WORK(&dev->request_module_wk, request_module_async); | |
516 | schedule_work(&dev->request_module_wk); | |
517 | } | |
518 | #else | |
519 | #define request_modules(dev) | |
520 | #endif /* CONFIG_MODULES */ | |
521 | ||
e0d3bafd SD |
522 | /* |
523 | * cx231xx_usb_probe() | |
524 | * checks for supported devices | |
525 | */ | |
526 | static int cx231xx_usb_probe(struct usb_interface *interface, | |
84b5dbf3 | 527 | const struct usb_device_id *id) |
e0d3bafd SD |
528 | { |
529 | struct usb_device *udev; | |
530 | struct usb_interface *uif; | |
531 | struct cx231xx *dev = NULL; | |
532 | int retval = -ENODEV; | |
d73abcff | 533 | int nr = 0, ifnum; |
e0d3bafd SD |
534 | int i, isoc_pipe = 0; |
535 | char *speed; | |
536 | char descr[255] = ""; | |
84b5dbf3 MCC |
537 | struct usb_interface *lif = NULL; |
538 | int skip_interface = 0; | |
539 | struct usb_interface_assoc_descriptor *assoc_desc; | |
e0d3bafd SD |
540 | |
541 | udev = usb_get_dev(interface_to_usbdev(interface)); | |
542 | ifnum = interface->altsetting[0].desc.bInterfaceNumber; | |
543 | ||
90960744 MCC |
544 | if (!ifnum) { |
545 | /* | |
546 | * Interface number 0 - IR interface | |
547 | */ | |
84b5dbf3 MCC |
548 | /* Check to see next free device and mark as used */ |
549 | nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS); | |
550 | cx231xx_devused |= 1 << nr; | |
551 | ||
552 | if (nr >= CX231XX_MAXBOARDS) { | |
b905de30 | 553 | cx231xx_err(DRIVER_NAME ": Supports only %i cx231xx boards.\n", |
84b5dbf3 MCC |
554 | CX231XX_MAXBOARDS); |
555 | cx231xx_devused &= ~(1 << nr); | |
556 | return -ENOMEM; | |
557 | } | |
558 | ||
559 | /* allocate memory for our device state and initialize it */ | |
560 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | |
561 | if (dev == NULL) { | |
562 | cx231xx_err(DRIVER_NAME ": out of memory!\n"); | |
563 | cx231xx_devused &= ~(1 << nr); | |
564 | return -ENOMEM; | |
565 | } | |
566 | ||
567 | snprintf(dev->name, 29, "cx231xx #%d", nr); | |
568 | dev->devno = nr; | |
569 | dev->model = id->driver_info; | |
570 | dev->video_mode.alt = -1; | |
571 | dev->interface_count++; | |
572 | ||
573 | /* reset gpio dir and value */ | |
574 | dev->gpio_dir = 0; | |
575 | dev->gpio_val = 0; | |
576 | dev->xc_fw_load_done = 0; | |
e0d3bafd | 577 | dev->has_alsa_audio = 1; |
84b5dbf3 MCC |
578 | dev->power_mode = -1; |
579 | ||
b9255176 SD |
580 | /* 0 - vbi ; 1 -sliced cc mode */ |
581 | dev->vbi_or_sliced_cc_mode = 0; | |
84b5dbf3 MCC |
582 | |
583 | /* get maximum no.of IAD interfaces */ | |
584 | assoc_desc = udev->actconfig->intf_assoc[0]; | |
585 | dev->max_iad_interface_count = assoc_desc->bInterfaceCount; | |
84b5dbf3 MCC |
586 | |
587 | /* init CIR module TBD */ | |
588 | ||
589 | /* store the current interface */ | |
590 | lif = interface; | |
591 | ||
90960744 MCC |
592 | switch (udev->speed) { |
593 | case USB_SPEED_LOW: | |
594 | speed = "1.5"; | |
595 | break; | |
596 | case USB_SPEED_UNKNOWN: | |
597 | case USB_SPEED_FULL: | |
598 | speed = "12"; | |
599 | break; | |
600 | case USB_SPEED_HIGH: | |
601 | speed = "480"; | |
602 | break; | |
603 | default: | |
604 | speed = "unknown"; | |
84b5dbf3 MCC |
605 | } |
606 | ||
90960744 MCC |
607 | if (udev->manufacturer) |
608 | strlcpy(descr, udev->manufacturer, sizeof(descr)); | |
84b5dbf3 | 609 | |
90960744 MCC |
610 | if (udev->product) { |
611 | if (*descr) | |
612 | strlcat(descr, " ", sizeof(descr)); | |
613 | strlcat(descr, udev->product, sizeof(descr)); | |
84b5dbf3 | 614 | } |
90960744 MCC |
615 | if (*descr) |
616 | strlcat(descr, " ", sizeof(descr)); | |
84b5dbf3 | 617 | |
90960744 MCC |
618 | cx231xx_info("New device %s@ %s Mbps " |
619 | "(%04x:%04x) with %d interfaces\n", | |
620 | descr, | |
621 | speed, | |
622 | le16_to_cpu(udev->descriptor.idVendor), | |
623 | le16_to_cpu(udev->descriptor.idProduct), | |
624 | dev->max_iad_interface_count); | |
625 | } else { | |
84b5dbf3 MCC |
626 | /* Get dev structure first */ |
627 | dev = usb_get_intfdata(udev->actconfig->interface[0]); | |
628 | if (dev == NULL) { | |
629 | cx231xx_err(DRIVER_NAME ": out of first interface!\n"); | |
630 | return -ENODEV; | |
631 | } | |
632 | ||
633 | /* store the interface 0 back */ | |
634 | lif = udev->actconfig->interface[0]; | |
635 | ||
636 | /* increment interface count */ | |
637 | dev->interface_count++; | |
638 | ||
639 | /* get device number */ | |
640 | nr = dev->devno; | |
641 | ||
90960744 MCC |
642 | /* |
643 | * set skip interface, for all interfaces but | |
644 | * interface 1 and the last one | |
645 | */ | |
646 | if ((ifnum != 1) && ((dev->interface_count - 1) | |
647 | != dev->max_iad_interface_count)) | |
648 | skip_interface = 1; | |
649 | ||
650 | if (ifnum == 1) { | |
651 | assoc_desc = udev->actconfig->intf_assoc[0]; | |
652 | if (assoc_desc->bFirstInterface != ifnum) { | |
653 | cx231xx_err(DRIVER_NAME ": Not found " | |
654 | "matching IAD interface\n"); | |
655 | return -ENODEV; | |
656 | } | |
84b5dbf3 MCC |
657 | } |
658 | } | |
e0d3bafd | 659 | |
90960744 MCC |
660 | if (skip_interface) |
661 | return -ENODEV; | |
e0d3bafd | 662 | |
90960744 | 663 | cx231xx_info("registering interface %d\n", ifnum); |
e0d3bafd | 664 | |
90960744 MCC |
665 | /* save our data pointer in this interface device */ |
666 | usb_set_intfdata(lif, dev); | |
e0d3bafd | 667 | |
90960744 MCC |
668 | if ((dev->interface_count - 1) != dev->max_iad_interface_count) |
669 | return 0; | |
84b5dbf3 | 670 | |
90960744 MCC |
671 | /* |
672 | * AV device initialization - only done at the last interface | |
673 | */ | |
b1196126 | 674 | |
90960744 | 675 | /* Create v4l2 device */ |
7231748a | 676 | retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); |
90960744 MCC |
677 | if (retval) { |
678 | cx231xx_errdev("v4l2_device_register failed\n"); | |
679 | cx231xx_devused &= ~(1 << nr); | |
680 | kfree(dev); | |
681 | return -EIO; | |
682 | } | |
84b5dbf3 | 683 | |
90960744 MCC |
684 | /* allocate device struct */ |
685 | retval = cx231xx_init_dev(&dev, udev, nr); | |
686 | if (retval) { | |
687 | cx231xx_devused &= ~(1 << dev->devno); | |
688 | v4l2_device_unregister(&dev->v4l2_dev); | |
689 | kfree(dev); | |
690 | return retval; | |
691 | } | |
84b5dbf3 | 692 | |
90960744 MCC |
693 | /* compute alternate max packet sizes for video */ |
694 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
695 | hs_config_info[0].interface_info.video_index + 1]; | |
696 | ||
697 | dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0]. | |
698 | endpoint[isoc_pipe].desc.bEndpointAddress); | |
699 | ||
700 | dev->video_mode.num_alt = uif->num_altsetting; | |
701 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
702 | dev->video_mode.end_point_addr, | |
703 | dev->video_mode.num_alt); | |
704 | dev->video_mode.alt_max_pkt_size = | |
705 | kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL); | |
706 | ||
707 | if (dev->video_mode.alt_max_pkt_size == NULL) { | |
708 | cx231xx_errdev("out of memory!\n"); | |
709 | cx231xx_devused &= ~(1 << nr); | |
710 | v4l2_device_unregister(&dev->v4l2_dev); | |
711 | kfree(dev); | |
712 | return -ENOMEM; | |
713 | } | |
84b5dbf3 | 714 | |
90960744 MCC |
715 | for (i = 0; i < dev->video_mode.num_alt; i++) { |
716 | u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
717 | desc.wMaxPacketSize); | |
718 | dev->video_mode.alt_max_pkt_size[i] = | |
719 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
720 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
721 | dev->video_mode.alt_max_pkt_size[i]); | |
722 | } | |
84b5dbf3 | 723 | |
90960744 MCC |
724 | /* compute alternate max packet sizes for vbi */ |
725 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
726 | hs_config_info[0].interface_info. | |
727 | vanc_index + 1]; | |
728 | ||
729 | dev->vbi_mode.end_point_addr = | |
730 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc. | |
731 | bEndpointAddress); | |
732 | ||
733 | dev->vbi_mode.num_alt = uif->num_altsetting; | |
734 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
735 | dev->vbi_mode.end_point_addr, | |
736 | dev->vbi_mode.num_alt); | |
737 | dev->vbi_mode.alt_max_pkt_size = | |
738 | kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL); | |
739 | ||
740 | if (dev->vbi_mode.alt_max_pkt_size == NULL) { | |
741 | cx231xx_errdev("out of memory!\n"); | |
742 | cx231xx_devused &= ~(1 << nr); | |
743 | v4l2_device_unregister(&dev->v4l2_dev); | |
744 | kfree(dev); | |
745 | return -ENOMEM; | |
746 | } | |
84b5dbf3 | 747 | |
90960744 MCC |
748 | for (i = 0; i < dev->vbi_mode.num_alt; i++) { |
749 | u16 tmp = | |
750 | le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
751 | desc.wMaxPacketSize); | |
752 | dev->vbi_mode.alt_max_pkt_size[i] = | |
753 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
754 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
755 | dev->vbi_mode.alt_max_pkt_size[i]); | |
756 | } | |
84b5dbf3 | 757 | |
90960744 MCC |
758 | /* compute alternate max packet sizes for sliced CC */ |
759 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
760 | hs_config_info[0].interface_info. | |
761 | hanc_index + 1]; | |
762 | ||
763 | dev->sliced_cc_mode.end_point_addr = | |
764 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc. | |
765 | bEndpointAddress); | |
766 | ||
767 | dev->sliced_cc_mode.num_alt = uif->num_altsetting; | |
768 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
769 | dev->sliced_cc_mode.end_point_addr, | |
770 | dev->sliced_cc_mode.num_alt); | |
771 | dev->sliced_cc_mode.alt_max_pkt_size = | |
772 | kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL); | |
773 | ||
774 | if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) { | |
775 | cx231xx_errdev("out of memory!\n"); | |
776 | cx231xx_devused &= ~(1 << nr); | |
777 | v4l2_device_unregister(&dev->v4l2_dev); | |
778 | kfree(dev); | |
779 | return -ENOMEM; | |
780 | } | |
84b5dbf3 | 781 | |
90960744 MCC |
782 | for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) { |
783 | u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
784 | desc.wMaxPacketSize); | |
785 | dev->sliced_cc_mode.alt_max_pkt_size[i] = | |
786 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
787 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
788 | dev->sliced_cc_mode.alt_max_pkt_size[i]); | |
789 | } | |
84b5dbf3 | 790 | |
90960744 MCC |
791 | if (dev->current_pcb_config.ts1_source != 0xff) { |
792 | /* compute alternate max packet sizes for TS1 */ | |
793 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
794 | hs_config_info[0]. | |
795 | interface_info. | |
796 | ts1_index + 1]; | |
84b5dbf3 | 797 | |
90960744 MCC |
798 | dev->ts1_mode.end_point_addr = |
799 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe]. | |
800 | desc.bEndpointAddress); | |
84b5dbf3 | 801 | |
90960744 MCC |
802 | dev->ts1_mode.num_alt = uif->num_altsetting; |
803 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
804 | dev->ts1_mode.end_point_addr, | |
805 | dev->ts1_mode.num_alt); | |
806 | dev->ts1_mode.alt_max_pkt_size = | |
807 | kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL); | |
84b5dbf3 | 808 | |
90960744 | 809 | if (dev->ts1_mode.alt_max_pkt_size == NULL) { |
84b5dbf3 MCC |
810 | cx231xx_errdev("out of memory!\n"); |
811 | cx231xx_devused &= ~(1 << nr); | |
b1196126 | 812 | v4l2_device_unregister(&dev->v4l2_dev); |
84b5dbf3 MCC |
813 | kfree(dev); |
814 | return -ENOMEM; | |
815 | } | |
816 | ||
90960744 MCC |
817 | for (i = 0; i < dev->ts1_mode.num_alt; i++) { |
818 | u16 tmp = le16_to_cpu(uif->altsetting[i]. | |
84b5dbf3 MCC |
819 | endpoint[isoc_pipe].desc. |
820 | wMaxPacketSize); | |
90960744 MCC |
821 | dev->ts1_mode.alt_max_pkt_size[i] = |
822 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
823 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
84b5dbf3 | 824 | dev->ts1_mode.alt_max_pkt_size[i]); |
84b5dbf3 | 825 | } |
84b5dbf3 | 826 | } |
e0d3bafd | 827 | |
84b5dbf3 | 828 | /* load other modules required */ |
90960744 | 829 | request_modules(dev); |
e0d3bafd SD |
830 | |
831 | return 0; | |
832 | } | |
833 | ||
834 | /* | |
835 | * cx231xx_usb_disconnect() | |
836 | * called when the device gets diconencted | |
837 | * video device will be unregistered on v4l2_close in case it is still open | |
838 | */ | |
839 | static void cx231xx_usb_disconnect(struct usb_interface *interface) | |
840 | { | |
841 | struct cx231xx *dev; | |
842 | ||
84b5dbf3 | 843 | dev = usb_get_intfdata(interface); |
e0d3bafd SD |
844 | usb_set_intfdata(interface, NULL); |
845 | ||
846 | if (!dev) | |
847 | return; | |
848 | ||
90960744 MCC |
849 | if (!dev->udev) |
850 | return; | |
851 | ||
b1196126 SD |
852 | /* delete v4l2 device */ |
853 | v4l2_device_unregister(&dev->v4l2_dev); | |
854 | ||
e0d3bafd SD |
855 | /* wait until all current v4l2 io is finished then deallocate |
856 | resources */ | |
857 | mutex_lock(&dev->lock); | |
858 | ||
859 | wake_up_interruptible_all(&dev->open); | |
860 | ||
861 | if (dev->users) { | |
862 | cx231xx_warn | |
38c7c036 LP |
863 | ("device %s is open! Deregistration and memory " |
864 | "deallocation are deferred on close.\n", | |
865 | video_device_node_name(dev->vdev)); | |
e0d3bafd SD |
866 | |
867 | dev->state |= DEV_MISCONFIGURED; | |
868 | cx231xx_uninit_isoc(dev); | |
869 | dev->state |= DEV_DISCONNECTED; | |
870 | wake_up_interruptible(&dev->wait_frame); | |
871 | wake_up_interruptible(&dev->wait_stream); | |
872 | } else { | |
873 | dev->state |= DEV_DISCONNECTED; | |
874 | cx231xx_release_resources(dev); | |
875 | } | |
876 | ||
84b5dbf3 | 877 | cx231xx_close_extension(dev); |
e0d3bafd SD |
878 | |
879 | mutex_unlock(&dev->lock); | |
880 | ||
881 | if (!dev->users) { | |
882 | kfree(dev->video_mode.alt_max_pkt_size); | |
84b5dbf3 MCC |
883 | kfree(dev->vbi_mode.alt_max_pkt_size); |
884 | kfree(dev->sliced_cc_mode.alt_max_pkt_size); | |
885 | kfree(dev->ts1_mode.alt_max_pkt_size); | |
e0d3bafd SD |
886 | kfree(dev); |
887 | } | |
888 | } | |
889 | ||
890 | static struct usb_driver cx231xx_usb_driver = { | |
891 | .name = "cx231xx", | |
892 | .probe = cx231xx_usb_probe, | |
893 | .disconnect = cx231xx_usb_disconnect, | |
894 | .id_table = cx231xx_id_table, | |
895 | }; | |
896 | ||
897 | static int __init cx231xx_module_init(void) | |
898 | { | |
899 | int result; | |
900 | ||
818fdf34 | 901 | printk(KERN_INFO DRIVER_NAME " v4l2 driver loaded.\n"); |
e0d3bafd SD |
902 | |
903 | /* register this driver with the USB subsystem */ | |
904 | result = usb_register(&cx231xx_usb_driver); | |
905 | if (result) | |
906 | cx231xx_err(DRIVER_NAME | |
84b5dbf3 | 907 | " usb_register failed. Error number %d.\n", result); |
e0d3bafd SD |
908 | |
909 | return result; | |
910 | } | |
911 | ||
912 | static void __exit cx231xx_module_exit(void) | |
913 | { | |
914 | /* deregister this driver with the USB subsystem */ | |
915 | usb_deregister(&cx231xx_usb_driver); | |
916 | } | |
917 | ||
918 | module_init(cx231xx_module_init); | |
919 | module_exit(cx231xx_module_exit); |