Commit | Line | Data |
---|---|---|
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> | |
35 | #include "xc5000.h" | |
36 | ||
37 | #include "cx231xx.h" | |
38 | ||
39 | static int tuner = -1; | |
40 | module_param(tuner, int, 0444); | |
41 | MODULE_PARM_DESC(tuner, "tuner type"); | |
42 | ||
43 | static unsigned int disable_ir; | |
44 | module_param(disable_ir, int, 0444); | |
45 | MODULE_PARM_DESC(disable_ir, "disable infrared remote support"); | |
46 | ||
47 | /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */ | |
48 | static unsigned long cx231xx_devused; | |
49 | ||
50 | /* | |
51 | * Reset sequences for analog/digital modes | |
52 | */ | |
53 | ||
54 | static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = { | |
84b5dbf3 MCC |
55 | {0x03, 0x01, 10}, |
56 | {0x03, 0x00, 30}, | |
57 | {0x03, 0x01, 10}, | |
58 | {-1, -1, -1}, | |
e0d3bafd SD |
59 | }; |
60 | ||
e0d3bafd SD |
61 | /* |
62 | * Board definitions | |
63 | */ | |
64 | struct cx231xx_board cx231xx_boards[] = { | |
e0d3bafd | 65 | [CX231XX_BOARD_UNKNOWN] = { |
6e4f574b SD |
66 | .name = "Unknown CX231xx video grabber", |
67 | .tuner_type = TUNER_ABSENT, | |
68 | .input = {{ | |
69 | .type = CX231XX_VMUX_TELEVISION, | |
70 | .vmux = CX231XX_VIN_3_1, | |
71 | .amux = CX231XX_AMUX_VIDEO, | |
7ee0a288 | 72 | .gpio = NULL, |
6e4f574b SD |
73 | }, { |
74 | .type = CX231XX_VMUX_COMPOSITE1, | |
75 | .vmux = CX231XX_VIN_2_1, | |
76 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 77 | .gpio = NULL, |
6e4f574b SD |
78 | }, { |
79 | .type = CX231XX_VMUX_SVIDEO, | |
80 | .vmux = CX231XX_VIN_1_1 | | |
81 | (CX231XX_VIN_1_2 << 8) | | |
82 | CX25840_SVIDEO_ON, | |
83 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 84 | .gpio = NULL, |
6e4f574b SD |
85 | } |
86 | }, | |
87 | }, | |
e0d3bafd | 88 | [CX231XX_BOARD_CNXT_RDE_250] = { |
6e4f574b SD |
89 | .name = "Conexant Hybrid TV - RDE250", |
90 | .tuner_type = TUNER_XC5000, | |
91 | .tuner_addr = 0x61, | |
92 | .tuner_gpio = RDE250_XCV_TUNER, | |
93 | .tuner_sif_gpio = 0x05, | |
94 | .tuner_scl_gpio = 0x1a, | |
95 | .tuner_sda_gpio = 0x1b, | |
96 | .decoder = CX231XX_AVDECODER, | |
97 | .demod_xfer_mode = 0, | |
98 | .ctl_pin_status_mask = 0xFFFFFFC4, | |
99 | .agc_analog_digital_select_gpio = 0x0c, | |
100 | .gpio_pin_status_mask = 0x4001000, | |
101 | .tuner_i2c_master = 1, | |
102 | .demod_i2c_master = 2, | |
103 | .has_dvb = 1, | |
104 | .demod_addr = 0x02, | |
105 | .norm = V4L2_STD_PAL, | |
106 | ||
107 | .input = {{ | |
108 | .type = CX231XX_VMUX_TELEVISION, | |
109 | .vmux = CX231XX_VIN_3_1, | |
110 | .amux = CX231XX_AMUX_VIDEO, | |
7ee0a288 | 111 | .gpio = NULL, |
6e4f574b SD |
112 | }, { |
113 | .type = CX231XX_VMUX_COMPOSITE1, | |
114 | .vmux = CX231XX_VIN_2_1, | |
115 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 116 | .gpio = NULL, |
6e4f574b SD |
117 | }, { |
118 | .type = CX231XX_VMUX_SVIDEO, | |
119 | .vmux = CX231XX_VIN_1_1 | | |
120 | (CX231XX_VIN_1_2 << 8) | | |
121 | CX25840_SVIDEO_ON, | |
122 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 123 | .gpio = NULL, |
6e4f574b SD |
124 | } |
125 | }, | |
126 | }, | |
84b5dbf3 MCC |
127 | |
128 | [CX231XX_BOARD_CNXT_RDU_250] = { | |
6e4f574b SD |
129 | .name = "Conexant Hybrid TV - RDU250", |
130 | .tuner_type = TUNER_XC5000, | |
131 | .tuner_addr = 0x61, | |
132 | .tuner_gpio = RDE250_XCV_TUNER, | |
133 | .tuner_sif_gpio = 0x05, | |
134 | .tuner_scl_gpio = 0x1a, | |
135 | .tuner_sda_gpio = 0x1b, | |
136 | .decoder = CX231XX_AVDECODER, | |
137 | .demod_xfer_mode = 0, | |
138 | .ctl_pin_status_mask = 0xFFFFFFC4, | |
139 | .agc_analog_digital_select_gpio = 0x0c, | |
140 | .gpio_pin_status_mask = 0x4001000, | |
141 | .tuner_i2c_master = 1, | |
142 | .demod_i2c_master = 2, | |
143 | .has_dvb = 1, | |
144 | .demod_addr = 0x32, | |
145 | .norm = V4L2_STD_NTSC, | |
146 | ||
147 | .input = {{ | |
148 | .type = CX231XX_VMUX_TELEVISION, | |
149 | .vmux = CX231XX_VIN_3_1, | |
150 | .amux = CX231XX_AMUX_VIDEO, | |
7ee0a288 | 151 | .gpio = NULL, |
6e4f574b SD |
152 | }, { |
153 | .type = CX231XX_VMUX_COMPOSITE1, | |
154 | .vmux = CX231XX_VIN_2_1, | |
155 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 156 | .gpio = NULL, |
6e4f574b SD |
157 | }, { |
158 | .type = CX231XX_VMUX_SVIDEO, | |
159 | .vmux = CX231XX_VIN_1_1 | | |
160 | (CX231XX_VIN_1_2 << 8) | | |
161 | CX25840_SVIDEO_ON, | |
162 | .amux = CX231XX_AMUX_LINE_IN, | |
7ee0a288 | 163 | .gpio = NULL, |
6e4f574b SD |
164 | } |
165 | }, | |
166 | }, | |
e0d3bafd SD |
167 | }; |
168 | const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards); | |
169 | ||
170 | /* table of devices that work with this driver */ | |
84b5dbf3 | 171 | struct usb_device_id cx231xx_id_table[] = { |
ed559edf | 172 | {USB_DEVICE(0x0572, 0x5A3C), |
84b5dbf3 MCC |
173 | .driver_info = CX231XX_BOARD_UNKNOWN}, |
174 | {USB_DEVICE(0x0572, 0x58A2), | |
175 | .driver_info = CX231XX_BOARD_CNXT_RDE_250}, | |
ed559edf | 176 | {USB_DEVICE(0x0572, 0x58A1), |
84b5dbf3 MCC |
177 | .driver_info = CX231XX_BOARD_CNXT_RDU_250}, |
178 | {}, | |
e0d3bafd | 179 | }; |
84b5dbf3 | 180 | |
e0d3bafd SD |
181 | MODULE_DEVICE_TABLE(usb, cx231xx_id_table); |
182 | ||
183 | /* cx231xx_tuner_callback | |
184 | * will be used to reset XC5000 tuner using GPIO pin | |
185 | */ | |
186 | ||
187 | int cx231xx_tuner_callback(void *ptr, int component, int command, int arg) | |
188 | { | |
189 | int rc = 0; | |
190 | struct cx231xx *dev = ptr; | |
191 | ||
84b5dbf3 MCC |
192 | if (dev->tuner_type == TUNER_XC5000) { |
193 | if (command == XC5000_TUNER_RESET) { | |
194 | cx231xx_info | |
b9255176 SD |
195 | ("Tuner CB: RESET: cmd %d : tuner type %d \n", |
196 | command, dev->tuner_type); | |
84b5dbf3 MCC |
197 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, |
198 | 1); | |
199 | msleep(10); | |
200 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, | |
201 | 0); | |
202 | msleep(330); | |
203 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, | |
204 | 1); | |
205 | msleep(10); | |
206 | } | |
207 | } | |
e0d3bafd SD |
208 | return rc; |
209 | } | |
210 | EXPORT_SYMBOL_GPL(cx231xx_tuner_callback); | |
211 | ||
b9255176 | 212 | static inline void cx231xx_set_model(struct cx231xx *dev) |
e0d3bafd SD |
213 | { |
214 | memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board)); | |
215 | } | |
216 | ||
217 | /* Since cx231xx_pre_card_setup() requires a proper dev->model, | |
218 | * this won't work for boards with generic PCI IDs | |
219 | */ | |
220 | void cx231xx_pre_card_setup(struct cx231xx *dev) | |
221 | { | |
222 | ||
223 | cx231xx_set_model(dev); | |
224 | ||
225 | cx231xx_info("Identified as %s (card=%d)\n", | |
84b5dbf3 | 226 | dev->board.name, dev->model); |
e0d3bafd | 227 | |
6e4f574b SD |
228 | /* set the direction for GPIO pins */ |
229 | cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1); | |
230 | cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1); | |
231 | cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1); | |
e0d3bafd SD |
232 | |
233 | /* request some modules if any required */ | |
234 | ||
84b5dbf3 | 235 | /* reset the Tuner */ |
e0d3bafd SD |
236 | cx231xx_gpio_set(dev, dev->board.tuner_gpio); |
237 | ||
84b5dbf3 | 238 | /* set the mode to Analog mode initially */ |
e0d3bafd SD |
239 | cx231xx_set_mode(dev, CX231XX_ANALOG_MODE); |
240 | ||
241 | /* Unlock device */ | |
242 | /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */ | |
243 | ||
244 | } | |
245 | ||
e0d3bafd SD |
246 | static void cx231xx_config_tuner(struct cx231xx *dev) |
247 | { | |
84b5dbf3 MCC |
248 | struct tuner_setup tun_setup; |
249 | struct v4l2_frequency f; | |
e0d3bafd SD |
250 | |
251 | if (dev->tuner_type == TUNER_ABSENT) | |
252 | return; | |
253 | ||
254 | tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; | |
255 | tun_setup.type = dev->tuner_type; | |
256 | tun_setup.addr = dev->tuner_addr; | |
257 | tun_setup.tuner_callback = cx231xx_tuner_callback; | |
258 | ||
b1196126 SD |
259 | tuner_call(dev, tuner, s_type_addr, &tun_setup); |
260 | ||
e0d3bafd | 261 | #if 0 |
84b5dbf3 | 262 | if (tun_setup.type == TUNER_XC5000) { |
e0d3bafd SD |
263 | static struct xc2028_ctrl ctrl = { |
264 | .fname = XC5000_DEFAULT_FIRMWARE, | |
265 | .max_len = 64, | |
84b5dbf3 | 266 | .demod = 0; |
e0d3bafd SD |
267 | }; |
268 | struct v4l2_priv_tun_config cfg = { | |
269 | .tuner = dev->tuner_type, | |
270 | .priv = &ctrl, | |
271 | }; | |
b1196126 | 272 | tuner_call(dev, tuner, s_config, &cfg); |
e0d3bafd SD |
273 | } |
274 | #endif | |
e0d3bafd SD |
275 | /* configure tuner */ |
276 | f.tuner = 0; | |
277 | f.type = V4L2_TUNER_ANALOG_TV; | |
84b5dbf3 | 278 | f.frequency = 9076; /* just a magic number */ |
e0d3bafd | 279 | dev->ctl_freq = f.frequency; |
b1196126 | 280 | call_all(dev, tuner, s_frequency, &f); |
e0d3bafd | 281 | |
b1196126 | 282 | } |
e0d3bafd SD |
283 | |
284 | /* ----------------------------------------------------------------------- */ | |
c668f32d | 285 | void cx231xx_register_i2c_ir(struct cx231xx *dev) |
e0d3bafd | 286 | { |
c668f32d | 287 | if (disable_ir) |
84b5dbf3 | 288 | return; |
e0d3bafd | 289 | |
c668f32d | 290 | /* REVISIT: instantiate IR device */ |
c668f32d | 291 | |
e0d3bafd SD |
292 | /* detect & configure */ |
293 | switch (dev->model) { | |
294 | ||
84b5dbf3 MCC |
295 | case CX231XX_BOARD_CNXT_RDE_250: |
296 | break; | |
297 | case CX231XX_BOARD_CNXT_RDU_250: | |
298 | break; | |
299 | default: | |
300 | break; | |
e0d3bafd SD |
301 | } |
302 | } | |
303 | ||
304 | void cx231xx_card_setup(struct cx231xx *dev) | |
305 | { | |
b1196126 | 306 | |
e0d3bafd SD |
307 | cx231xx_set_model(dev); |
308 | ||
309 | dev->tuner_type = cx231xx_boards[dev->model].tuner_type; | |
310 | if (cx231xx_boards[dev->model].tuner_addr) | |
311 | dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr; | |
312 | ||
e0d3bafd | 313 | /* request some modules */ |
84b5dbf3 | 314 | if (dev->board.decoder == CX231XX_AVDECODER) { |
e6574f2f HV |
315 | dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, |
316 | &dev->i2c_bus[0].i2c_adap, | |
53dacb15 | 317 | "cx25840", "cx25840", 0x88 >> 1, NULL); |
b1196126 SD |
318 | if (dev->sd_cx25840 == NULL) |
319 | cx231xx_info("cx25840 subdev registration failure\n"); | |
cc26b076 | 320 | cx25840_call(dev, core, load_fw); |
b1196126 | 321 | |
84b5dbf3 | 322 | } |
b1196126 | 323 | |
84b5dbf3 | 324 | if (dev->board.tuner_type != TUNER_ABSENT) { |
e6574f2f HV |
325 | dev->sd_tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, |
326 | &dev->i2c_bus[1].i2c_adap, | |
53dacb15 | 327 | "tuner", "tuner", 0xc2 >> 1, NULL); |
b1196126 SD |
328 | if (dev->sd_tuner == NULL) |
329 | cx231xx_info("tuner subdev registration failure\n"); | |
330 | ||
331 | cx231xx_config_tuner(dev); | |
84b5dbf3 | 332 | } |
e0d3bafd SD |
333 | |
334 | cx231xx_config_tuner(dev); | |
335 | ||
b1196126 | 336 | #if 0 |
84b5dbf3 | 337 | /* TBD IR will be added later */ |
e0d3bafd SD |
338 | cx231xx_ir_init(dev); |
339 | #endif | |
340 | } | |
341 | ||
e0d3bafd SD |
342 | /* |
343 | * cx231xx_config() | |
344 | * inits registers with sane defaults | |
345 | */ | |
346 | int cx231xx_config(struct cx231xx *dev) | |
347 | { | |
84b5dbf3 | 348 | /* TBD need to add cx231xx specific code */ |
e0d3bafd SD |
349 | dev->mute = 1; /* maybe not the right place... */ |
350 | dev->volume = 0x1f; | |
351 | ||
352 | return 0; | |
353 | } | |
354 | ||
355 | /* | |
356 | * cx231xx_config_i2c() | |
357 | * configure i2c attached devices | |
358 | */ | |
359 | void cx231xx_config_i2c(struct cx231xx *dev) | |
360 | { | |
5325b427 | 361 | /* u32 input = INPUT(dev->video_input)->vmux; */ |
e0d3bafd | 362 | |
b1196126 | 363 | call_all(dev, video, s_stream, 1); |
e0d3bafd SD |
364 | } |
365 | ||
366 | /* | |
367 | * cx231xx_realease_resources() | |
368 | * unregisters the v4l2,i2c and usb devices | |
369 | * called when the device gets disconected or at module unload | |
370 | */ | |
371 | void cx231xx_release_resources(struct cx231xx *dev) | |
372 | { | |
373 | ||
84b5dbf3 | 374 | #if 0 /* TBD IR related */ |
e0d3bafd SD |
375 | if (dev->ir) |
376 | cx231xx_ir_fini(dev); | |
377 | #endif | |
378 | ||
379 | cx231xx_release_analog_resources(dev); | |
380 | ||
84b5dbf3 | 381 | cx231xx_remove_from_devlist(dev); |
e0d3bafd | 382 | |
84b5dbf3 | 383 | cx231xx_dev_uninit(dev); |
e0d3bafd SD |
384 | |
385 | usb_put_dev(dev->udev); | |
386 | ||
387 | /* Mark device as unused */ | |
84b5dbf3 | 388 | cx231xx_devused &= ~(1 << dev->devno); |
e0d3bafd SD |
389 | } |
390 | ||
e0d3bafd SD |
391 | /* |
392 | * cx231xx_init_dev() | |
393 | * allocates and inits the device structs, registers i2c bus and v4l device | |
394 | */ | |
395 | static int cx231xx_init_dev(struct cx231xx **devhandle, struct usb_device *udev, | |
84b5dbf3 | 396 | int minor) |
e0d3bafd SD |
397 | { |
398 | struct cx231xx *dev = *devhandle; | |
399 | int retval = -ENOMEM; | |
400 | int errCode; | |
401 | unsigned int maxh, maxw; | |
402 | ||
403 | dev->udev = udev; | |
404 | mutex_init(&dev->lock); | |
405 | mutex_init(&dev->ctrl_urb_lock); | |
84b5dbf3 | 406 | mutex_init(&dev->gpio_i2c_lock); |
e0d3bafd | 407 | |
84b5dbf3 MCC |
408 | spin_lock_init(&dev->video_mode.slock); |
409 | spin_lock_init(&dev->vbi_mode.slock); | |
410 | spin_lock_init(&dev->sliced_cc_mode.slock); | |
e0d3bafd SD |
411 | |
412 | init_waitqueue_head(&dev->open); | |
413 | init_waitqueue_head(&dev->wait_frame); | |
414 | init_waitqueue_head(&dev->wait_stream); | |
415 | ||
84b5dbf3 MCC |
416 | dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg; |
417 | dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg; | |
418 | dev->cx231xx_send_usb_command = cx231xx_send_usb_command; | |
419 | dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read; | |
420 | dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write; | |
e0d3bafd | 421 | |
84b5dbf3 MCC |
422 | /* Query cx231xx to find what pcb config it is related to */ |
423 | initialize_cx231xx(dev); | |
e0d3bafd | 424 | |
84b5dbf3 | 425 | /* Cx231xx pre card setup */ |
e0d3bafd SD |
426 | cx231xx_pre_card_setup(dev); |
427 | ||
428 | errCode = cx231xx_config(dev); | |
429 | if (errCode) { | |
430 | cx231xx_errdev("error configuring device\n"); | |
431 | return -ENOMEM; | |
432 | } | |
433 | ||
84b5dbf3 | 434 | /* set default norm */ |
e0d3bafd SD |
435 | dev->norm = dev->board.norm; |
436 | ||
437 | /* register i2c bus */ | |
438 | errCode = cx231xx_dev_init(dev); | |
439 | if (errCode < 0) { | |
440 | cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n", | |
84b5dbf3 | 441 | __func__, errCode); |
e0d3bafd SD |
442 | return errCode; |
443 | } | |
444 | ||
445 | /* Do board specific init */ | |
446 | cx231xx_card_setup(dev); | |
447 | ||
448 | /* configure the device */ | |
449 | cx231xx_config_i2c(dev); | |
450 | ||
451 | maxw = norm_maxw(dev); | |
452 | maxh = norm_maxh(dev); | |
453 | ||
454 | /* set default image size */ | |
455 | dev->width = maxw; | |
456 | dev->height = maxh; | |
457 | dev->interlaced = 0; | |
458 | dev->hscale = 0; | |
459 | dev->vscale = 0; | |
460 | dev->video_input = 0; | |
461 | ||
462 | errCode = cx231xx_config(dev); | |
463 | if (errCode < 0) { | |
464 | cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n", | |
84b5dbf3 | 465 | __func__, errCode); |
e0d3bafd SD |
466 | return errCode; |
467 | } | |
468 | ||
469 | /* init video dma queues */ | |
470 | INIT_LIST_HEAD(&dev->video_mode.vidq.active); | |
471 | INIT_LIST_HEAD(&dev->video_mode.vidq.queued); | |
472 | ||
84b5dbf3 | 473 | /* init vbi dma queues */ |
e0d3bafd SD |
474 | INIT_LIST_HEAD(&dev->vbi_mode.vidq.active); |
475 | INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued); | |
476 | ||
477 | /* Reset other chips required if they are tied up with GPIO pins */ | |
478 | ||
84b5dbf3 | 479 | cx231xx_add_into_devlist(dev); |
e0d3bafd SD |
480 | |
481 | retval = cx231xx_register_analog_devices(dev); | |
482 | if (retval < 0) { | |
483 | cx231xx_release_resources(dev); | |
484 | goto fail_reg_devices; | |
485 | } | |
486 | ||
487 | cx231xx_init_extension(dev); | |
488 | ||
489 | return 0; | |
490 | ||
b9255176 | 491 | fail_reg_devices: |
e0d3bafd SD |
492 | mutex_unlock(&dev->lock); |
493 | return retval; | |
494 | } | |
495 | ||
496 | #if defined(CONFIG_MODULES) && defined(MODULE) | |
497 | static void request_module_async(struct work_struct *work) | |
498 | { | |
499 | struct cx231xx *dev = container_of(work, | |
84b5dbf3 | 500 | struct cx231xx, request_module_wk); |
e0d3bafd SD |
501 | |
502 | if (dev->has_alsa_audio) | |
503 | request_module("cx231xx-alsa"); | |
504 | ||
505 | if (dev->board.has_dvb) | |
506 | request_module("cx231xx-dvb"); | |
507 | ||
508 | } | |
509 | ||
510 | static void request_modules(struct cx231xx *dev) | |
511 | { | |
512 | INIT_WORK(&dev->request_module_wk, request_module_async); | |
513 | schedule_work(&dev->request_module_wk); | |
514 | } | |
515 | #else | |
516 | #define request_modules(dev) | |
517 | #endif /* CONFIG_MODULES */ | |
518 | ||
e0d3bafd SD |
519 | /* |
520 | * cx231xx_usb_probe() | |
521 | * checks for supported devices | |
522 | */ | |
523 | static int cx231xx_usb_probe(struct usb_interface *interface, | |
84b5dbf3 | 524 | const struct usb_device_id *id) |
e0d3bafd SD |
525 | { |
526 | struct usb_device *udev; | |
527 | struct usb_interface *uif; | |
528 | struct cx231xx *dev = NULL; | |
529 | int retval = -ENODEV; | |
d73abcff | 530 | int nr = 0, ifnum; |
e0d3bafd SD |
531 | int i, isoc_pipe = 0; |
532 | char *speed; | |
533 | char descr[255] = ""; | |
84b5dbf3 MCC |
534 | struct usb_interface *lif = NULL; |
535 | int skip_interface = 0; | |
536 | struct usb_interface_assoc_descriptor *assoc_desc; | |
e0d3bafd SD |
537 | |
538 | udev = usb_get_dev(interface_to_usbdev(interface)); | |
539 | ifnum = interface->altsetting[0].desc.bInterfaceNumber; | |
540 | ||
90960744 MCC |
541 | if (!ifnum) { |
542 | /* | |
543 | * Interface number 0 - IR interface | |
544 | */ | |
84b5dbf3 MCC |
545 | /* Check to see next free device and mark as used */ |
546 | nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS); | |
547 | cx231xx_devused |= 1 << nr; | |
548 | ||
549 | if (nr >= CX231XX_MAXBOARDS) { | |
b905de30 | 550 | cx231xx_err(DRIVER_NAME ": Supports only %i cx231xx boards.\n", |
84b5dbf3 MCC |
551 | CX231XX_MAXBOARDS); |
552 | cx231xx_devused &= ~(1 << nr); | |
553 | return -ENOMEM; | |
554 | } | |
555 | ||
556 | /* allocate memory for our device state and initialize it */ | |
557 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | |
558 | if (dev == NULL) { | |
559 | cx231xx_err(DRIVER_NAME ": out of memory!\n"); | |
560 | cx231xx_devused &= ~(1 << nr); | |
561 | return -ENOMEM; | |
562 | } | |
563 | ||
564 | snprintf(dev->name, 29, "cx231xx #%d", nr); | |
565 | dev->devno = nr; | |
566 | dev->model = id->driver_info; | |
567 | dev->video_mode.alt = -1; | |
568 | dev->interface_count++; | |
569 | ||
570 | /* reset gpio dir and value */ | |
571 | dev->gpio_dir = 0; | |
572 | dev->gpio_val = 0; | |
573 | dev->xc_fw_load_done = 0; | |
e0d3bafd | 574 | dev->has_alsa_audio = 1; |
84b5dbf3 MCC |
575 | dev->power_mode = -1; |
576 | ||
b9255176 SD |
577 | /* 0 - vbi ; 1 -sliced cc mode */ |
578 | dev->vbi_or_sliced_cc_mode = 0; | |
84b5dbf3 MCC |
579 | |
580 | /* get maximum no.of IAD interfaces */ | |
581 | assoc_desc = udev->actconfig->intf_assoc[0]; | |
582 | dev->max_iad_interface_count = assoc_desc->bInterfaceCount; | |
84b5dbf3 MCC |
583 | |
584 | /* init CIR module TBD */ | |
585 | ||
586 | /* store the current interface */ | |
587 | lif = interface; | |
588 | ||
90960744 MCC |
589 | switch (udev->speed) { |
590 | case USB_SPEED_LOW: | |
591 | speed = "1.5"; | |
592 | break; | |
593 | case USB_SPEED_UNKNOWN: | |
594 | case USB_SPEED_FULL: | |
595 | speed = "12"; | |
596 | break; | |
597 | case USB_SPEED_HIGH: | |
598 | speed = "480"; | |
599 | break; | |
600 | default: | |
601 | speed = "unknown"; | |
84b5dbf3 MCC |
602 | } |
603 | ||
90960744 MCC |
604 | if (udev->manufacturer) |
605 | strlcpy(descr, udev->manufacturer, sizeof(descr)); | |
84b5dbf3 | 606 | |
90960744 MCC |
607 | if (udev->product) { |
608 | if (*descr) | |
609 | strlcat(descr, " ", sizeof(descr)); | |
610 | strlcat(descr, udev->product, sizeof(descr)); | |
84b5dbf3 | 611 | } |
90960744 MCC |
612 | if (*descr) |
613 | strlcat(descr, " ", sizeof(descr)); | |
84b5dbf3 | 614 | |
90960744 MCC |
615 | cx231xx_info("New device %s@ %s Mbps " |
616 | "(%04x:%04x) with %d interfaces\n", | |
617 | descr, | |
618 | speed, | |
619 | le16_to_cpu(udev->descriptor.idVendor), | |
620 | le16_to_cpu(udev->descriptor.idProduct), | |
621 | dev->max_iad_interface_count); | |
622 | } else { | |
84b5dbf3 MCC |
623 | /* Get dev structure first */ |
624 | dev = usb_get_intfdata(udev->actconfig->interface[0]); | |
625 | if (dev == NULL) { | |
626 | cx231xx_err(DRIVER_NAME ": out of first interface!\n"); | |
627 | return -ENODEV; | |
628 | } | |
629 | ||
630 | /* store the interface 0 back */ | |
631 | lif = udev->actconfig->interface[0]; | |
632 | ||
633 | /* increment interface count */ | |
634 | dev->interface_count++; | |
635 | ||
636 | /* get device number */ | |
637 | nr = dev->devno; | |
638 | ||
90960744 MCC |
639 | /* |
640 | * set skip interface, for all interfaces but | |
641 | * interface 1 and the last one | |
642 | */ | |
643 | if ((ifnum != 1) && ((dev->interface_count - 1) | |
644 | != dev->max_iad_interface_count)) | |
645 | skip_interface = 1; | |
646 | ||
647 | if (ifnum == 1) { | |
648 | assoc_desc = udev->actconfig->intf_assoc[0]; | |
649 | if (assoc_desc->bFirstInterface != ifnum) { | |
650 | cx231xx_err(DRIVER_NAME ": Not found " | |
651 | "matching IAD interface\n"); | |
652 | return -ENODEV; | |
653 | } | |
84b5dbf3 MCC |
654 | } |
655 | } | |
e0d3bafd | 656 | |
90960744 MCC |
657 | if (skip_interface) |
658 | return -ENODEV; | |
e0d3bafd | 659 | |
90960744 | 660 | cx231xx_info("registering interface %d\n", ifnum); |
e0d3bafd | 661 | |
90960744 MCC |
662 | /* save our data pointer in this interface device */ |
663 | usb_set_intfdata(lif, dev); | |
e0d3bafd | 664 | |
90960744 MCC |
665 | if ((dev->interface_count - 1) != dev->max_iad_interface_count) |
666 | return 0; | |
84b5dbf3 | 667 | |
90960744 MCC |
668 | /* |
669 | * AV device initialization - only done at the last interface | |
670 | */ | |
b1196126 | 671 | |
90960744 | 672 | /* Create v4l2 device */ |
7231748a | 673 | retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); |
90960744 MCC |
674 | if (retval) { |
675 | cx231xx_errdev("v4l2_device_register failed\n"); | |
676 | cx231xx_devused &= ~(1 << nr); | |
677 | kfree(dev); | |
678 | return -EIO; | |
679 | } | |
84b5dbf3 | 680 | |
90960744 MCC |
681 | /* allocate device struct */ |
682 | retval = cx231xx_init_dev(&dev, udev, nr); | |
683 | if (retval) { | |
684 | cx231xx_devused &= ~(1 << dev->devno); | |
685 | v4l2_device_unregister(&dev->v4l2_dev); | |
686 | kfree(dev); | |
687 | return retval; | |
688 | } | |
84b5dbf3 | 689 | |
90960744 MCC |
690 | /* compute alternate max packet sizes for video */ |
691 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
692 | hs_config_info[0].interface_info.video_index + 1]; | |
693 | ||
694 | dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0]. | |
695 | endpoint[isoc_pipe].desc.bEndpointAddress); | |
696 | ||
697 | dev->video_mode.num_alt = uif->num_altsetting; | |
698 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
699 | dev->video_mode.end_point_addr, | |
700 | dev->video_mode.num_alt); | |
701 | dev->video_mode.alt_max_pkt_size = | |
702 | kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL); | |
703 | ||
704 | if (dev->video_mode.alt_max_pkt_size == NULL) { | |
705 | cx231xx_errdev("out of memory!\n"); | |
706 | cx231xx_devused &= ~(1 << nr); | |
707 | v4l2_device_unregister(&dev->v4l2_dev); | |
708 | kfree(dev); | |
709 | return -ENOMEM; | |
710 | } | |
84b5dbf3 | 711 | |
90960744 MCC |
712 | for (i = 0; i < dev->video_mode.num_alt; i++) { |
713 | u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
714 | desc.wMaxPacketSize); | |
715 | dev->video_mode.alt_max_pkt_size[i] = | |
716 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
717 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
718 | dev->video_mode.alt_max_pkt_size[i]); | |
719 | } | |
84b5dbf3 | 720 | |
90960744 MCC |
721 | /* compute alternate max packet sizes for vbi */ |
722 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
723 | hs_config_info[0].interface_info. | |
724 | vanc_index + 1]; | |
725 | ||
726 | dev->vbi_mode.end_point_addr = | |
727 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc. | |
728 | bEndpointAddress); | |
729 | ||
730 | dev->vbi_mode.num_alt = uif->num_altsetting; | |
731 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
732 | dev->vbi_mode.end_point_addr, | |
733 | dev->vbi_mode.num_alt); | |
734 | dev->vbi_mode.alt_max_pkt_size = | |
735 | kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL); | |
736 | ||
737 | if (dev->vbi_mode.alt_max_pkt_size == NULL) { | |
738 | cx231xx_errdev("out of memory!\n"); | |
739 | cx231xx_devused &= ~(1 << nr); | |
740 | v4l2_device_unregister(&dev->v4l2_dev); | |
741 | kfree(dev); | |
742 | return -ENOMEM; | |
743 | } | |
84b5dbf3 | 744 | |
90960744 MCC |
745 | for (i = 0; i < dev->vbi_mode.num_alt; i++) { |
746 | u16 tmp = | |
747 | le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
748 | desc.wMaxPacketSize); | |
749 | dev->vbi_mode.alt_max_pkt_size[i] = | |
750 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
751 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
752 | dev->vbi_mode.alt_max_pkt_size[i]); | |
753 | } | |
84b5dbf3 | 754 | |
90960744 MCC |
755 | /* compute alternate max packet sizes for sliced CC */ |
756 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
757 | hs_config_info[0].interface_info. | |
758 | hanc_index + 1]; | |
759 | ||
760 | dev->sliced_cc_mode.end_point_addr = | |
761 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc. | |
762 | bEndpointAddress); | |
763 | ||
764 | dev->sliced_cc_mode.num_alt = uif->num_altsetting; | |
765 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
766 | dev->sliced_cc_mode.end_point_addr, | |
767 | dev->sliced_cc_mode.num_alt); | |
768 | dev->sliced_cc_mode.alt_max_pkt_size = | |
769 | kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL); | |
770 | ||
771 | if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) { | |
772 | cx231xx_errdev("out of memory!\n"); | |
773 | cx231xx_devused &= ~(1 << nr); | |
774 | v4l2_device_unregister(&dev->v4l2_dev); | |
775 | kfree(dev); | |
776 | return -ENOMEM; | |
777 | } | |
84b5dbf3 | 778 | |
90960744 MCC |
779 | for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) { |
780 | u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe]. | |
781 | desc.wMaxPacketSize); | |
782 | dev->sliced_cc_mode.alt_max_pkt_size[i] = | |
783 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
784 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
785 | dev->sliced_cc_mode.alt_max_pkt_size[i]); | |
786 | } | |
84b5dbf3 | 787 | |
90960744 MCC |
788 | if (dev->current_pcb_config.ts1_source != 0xff) { |
789 | /* compute alternate max packet sizes for TS1 */ | |
790 | uif = udev->actconfig->interface[dev->current_pcb_config. | |
791 | hs_config_info[0]. | |
792 | interface_info. | |
793 | ts1_index + 1]; | |
84b5dbf3 | 794 | |
90960744 MCC |
795 | dev->ts1_mode.end_point_addr = |
796 | le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe]. | |
797 | desc.bEndpointAddress); | |
84b5dbf3 | 798 | |
90960744 MCC |
799 | dev->ts1_mode.num_alt = uif->num_altsetting; |
800 | cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n", | |
801 | dev->ts1_mode.end_point_addr, | |
802 | dev->ts1_mode.num_alt); | |
803 | dev->ts1_mode.alt_max_pkt_size = | |
804 | kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL); | |
84b5dbf3 | 805 | |
90960744 | 806 | if (dev->ts1_mode.alt_max_pkt_size == NULL) { |
84b5dbf3 MCC |
807 | cx231xx_errdev("out of memory!\n"); |
808 | cx231xx_devused &= ~(1 << nr); | |
b1196126 | 809 | v4l2_device_unregister(&dev->v4l2_dev); |
84b5dbf3 MCC |
810 | kfree(dev); |
811 | return -ENOMEM; | |
812 | } | |
813 | ||
90960744 MCC |
814 | for (i = 0; i < dev->ts1_mode.num_alt; i++) { |
815 | u16 tmp = le16_to_cpu(uif->altsetting[i]. | |
84b5dbf3 MCC |
816 | endpoint[isoc_pipe].desc. |
817 | wMaxPacketSize); | |
90960744 MCC |
818 | dev->ts1_mode.alt_max_pkt_size[i] = |
819 | (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); | |
820 | cx231xx_info("Alternate setting %i, max size= %i\n", i, | |
84b5dbf3 | 821 | dev->ts1_mode.alt_max_pkt_size[i]); |
84b5dbf3 | 822 | } |
84b5dbf3 | 823 | } |
e0d3bafd | 824 | |
84b5dbf3 | 825 | /* load other modules required */ |
90960744 | 826 | request_modules(dev); |
e0d3bafd SD |
827 | |
828 | return 0; | |
829 | } | |
830 | ||
831 | /* | |
832 | * cx231xx_usb_disconnect() | |
833 | * called when the device gets diconencted | |
834 | * video device will be unregistered on v4l2_close in case it is still open | |
835 | */ | |
836 | static void cx231xx_usb_disconnect(struct usb_interface *interface) | |
837 | { | |
838 | struct cx231xx *dev; | |
839 | ||
84b5dbf3 | 840 | dev = usb_get_intfdata(interface); |
e0d3bafd SD |
841 | usb_set_intfdata(interface, NULL); |
842 | ||
843 | if (!dev) | |
844 | return; | |
845 | ||
90960744 MCC |
846 | if (!dev->udev) |
847 | return; | |
848 | ||
b1196126 SD |
849 | /* delete v4l2 device */ |
850 | v4l2_device_unregister(&dev->v4l2_dev); | |
851 | ||
e0d3bafd SD |
852 | /* wait until all current v4l2 io is finished then deallocate |
853 | resources */ | |
854 | mutex_lock(&dev->lock); | |
855 | ||
856 | wake_up_interruptible_all(&dev->open); | |
857 | ||
858 | if (dev->users) { | |
859 | cx231xx_warn | |
38c7c036 LP |
860 | ("device %s is open! Deregistration and memory " |
861 | "deallocation are deferred on close.\n", | |
862 | video_device_node_name(dev->vdev)); | |
e0d3bafd SD |
863 | |
864 | dev->state |= DEV_MISCONFIGURED; | |
865 | cx231xx_uninit_isoc(dev); | |
866 | dev->state |= DEV_DISCONNECTED; | |
867 | wake_up_interruptible(&dev->wait_frame); | |
868 | wake_up_interruptible(&dev->wait_stream); | |
869 | } else { | |
870 | dev->state |= DEV_DISCONNECTED; | |
871 | cx231xx_release_resources(dev); | |
872 | } | |
873 | ||
84b5dbf3 | 874 | cx231xx_close_extension(dev); |
e0d3bafd SD |
875 | |
876 | mutex_unlock(&dev->lock); | |
877 | ||
878 | if (!dev->users) { | |
879 | kfree(dev->video_mode.alt_max_pkt_size); | |
84b5dbf3 MCC |
880 | kfree(dev->vbi_mode.alt_max_pkt_size); |
881 | kfree(dev->sliced_cc_mode.alt_max_pkt_size); | |
882 | kfree(dev->ts1_mode.alt_max_pkt_size); | |
e0d3bafd SD |
883 | kfree(dev); |
884 | } | |
885 | } | |
886 | ||
887 | static struct usb_driver cx231xx_usb_driver = { | |
888 | .name = "cx231xx", | |
889 | .probe = cx231xx_usb_probe, | |
890 | .disconnect = cx231xx_usb_disconnect, | |
891 | .id_table = cx231xx_id_table, | |
892 | }; | |
893 | ||
894 | static int __init cx231xx_module_init(void) | |
895 | { | |
896 | int result; | |
897 | ||
818fdf34 | 898 | printk(KERN_INFO DRIVER_NAME " v4l2 driver loaded.\n"); |
e0d3bafd SD |
899 | |
900 | /* register this driver with the USB subsystem */ | |
901 | result = usb_register(&cx231xx_usb_driver); | |
902 | if (result) | |
903 | cx231xx_err(DRIVER_NAME | |
84b5dbf3 | 904 | " usb_register failed. Error number %d.\n", result); |
e0d3bafd SD |
905 | |
906 | return result; | |
907 | } | |
908 | ||
909 | static void __exit cx231xx_module_exit(void) | |
910 | { | |
911 | /* deregister this driver with the USB subsystem */ | |
912 | usb_deregister(&cx231xx_usb_driver); | |
913 | } | |
914 | ||
915 | module_init(cx231xx_module_init); | |
916 | module_exit(cx231xx_module_exit); |