2 cx231xx-cards.c - driver for Conexant Cx23100/101/102
3 USB video capture devices
5 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
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.
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.
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.
23 #include <linux/init.h>
24 #include <linux/module.h>
25 #include <linux/slab.h>
26 #include <linux/delay.h>
27 #include <linux/i2c.h>
28 #include <linux/usb.h>
29 #include <media/tuner.h>
30 #include <media/tveeprom.h>
31 #include <media/v4l2-common.h>
32 #include <media/v4l2-chip-ident.h>
34 #include <media/cx25840.h>
35 #include "dvb-usb-ids.h"
40 static int tuner = -1;
41 module_param(tuner, int, 0444);
42 MODULE_PARM_DESC(tuner, "tuner type");
44 static int transfer_mode = 1;
45 module_param(transfer_mode, int, 0444);
46 MODULE_PARM_DESC(transfer_mode, "transfer mode (1-ISO or 0-BULK)");
48 static unsigned int disable_ir;
49 module_param(disable_ir, int, 0444);
50 MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
52 /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */
53 static unsigned long cx231xx_devused;
56 * Reset sequences for analog/digital modes
59 static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = {
69 struct cx231xx_board cx231xx_boards[] = {
70 [CX231XX_BOARD_UNKNOWN] = {
71 .name = "Unknown CX231xx video grabber",
72 .tuner_type = TUNER_ABSENT,
74 .type = CX231XX_VMUX_TELEVISION,
75 .vmux = CX231XX_VIN_3_1,
76 .amux = CX231XX_AMUX_VIDEO,
79 .type = CX231XX_VMUX_COMPOSITE1,
80 .vmux = CX231XX_VIN_2_1,
81 .amux = CX231XX_AMUX_LINE_IN,
84 .type = CX231XX_VMUX_SVIDEO,
85 .vmux = CX231XX_VIN_1_1 |
86 (CX231XX_VIN_1_2 << 8) |
88 .amux = CX231XX_AMUX_LINE_IN,
93 [CX231XX_BOARD_CNXT_CARRAERA] = {
94 .name = "Conexant Hybrid TV - CARRAERA",
95 .tuner_type = TUNER_XC5000,
97 .tuner_gpio = RDE250_XCV_TUNER,
98 .tuner_sif_gpio = 0x05,
99 .tuner_scl_gpio = 0x1a,
100 .tuner_sda_gpio = 0x1b,
101 .decoder = CX231XX_AVDECODER,
102 .output_mode = OUT_MODE_VIP11,
103 .demod_xfer_mode = 0,
104 .ctl_pin_status_mask = 0xFFFFFFC4,
105 .agc_analog_digital_select_gpio = 0x0c,
106 .gpio_pin_status_mask = 0x4001000,
107 .tuner_i2c_master = 1,
108 .demod_i2c_master = 2,
111 .norm = V4L2_STD_PAL,
114 .type = CX231XX_VMUX_TELEVISION,
115 .vmux = CX231XX_VIN_3_1,
116 .amux = CX231XX_AMUX_VIDEO,
119 .type = CX231XX_VMUX_COMPOSITE1,
120 .vmux = CX231XX_VIN_2_1,
121 .amux = CX231XX_AMUX_LINE_IN,
124 .type = CX231XX_VMUX_SVIDEO,
125 .vmux = CX231XX_VIN_1_1 |
126 (CX231XX_VIN_1_2 << 8) |
128 .amux = CX231XX_AMUX_LINE_IN,
133 [CX231XX_BOARD_CNXT_SHELBY] = {
134 .name = "Conexant Hybrid TV - SHELBY",
135 .tuner_type = TUNER_XC5000,
137 .tuner_gpio = RDE250_XCV_TUNER,
138 .tuner_sif_gpio = 0x05,
139 .tuner_scl_gpio = 0x1a,
140 .tuner_sda_gpio = 0x1b,
141 .decoder = CX231XX_AVDECODER,
142 .output_mode = OUT_MODE_VIP11,
143 .demod_xfer_mode = 0,
144 .ctl_pin_status_mask = 0xFFFFFFC4,
145 .agc_analog_digital_select_gpio = 0x0c,
146 .gpio_pin_status_mask = 0x4001000,
147 .tuner_i2c_master = 1,
148 .demod_i2c_master = 2,
151 .norm = V4L2_STD_NTSC,
154 .type = CX231XX_VMUX_TELEVISION,
155 .vmux = CX231XX_VIN_3_1,
156 .amux = CX231XX_AMUX_VIDEO,
159 .type = CX231XX_VMUX_COMPOSITE1,
160 .vmux = CX231XX_VIN_2_1,
161 .amux = CX231XX_AMUX_LINE_IN,
164 .type = CX231XX_VMUX_SVIDEO,
165 .vmux = CX231XX_VIN_1_1 |
166 (CX231XX_VIN_1_2 << 8) |
168 .amux = CX231XX_AMUX_LINE_IN,
173 [CX231XX_BOARD_CNXT_RDE_253S] = {
174 .name = "Conexant Hybrid TV - RDE253S",
175 .tuner_type = TUNER_NXP_TDA18271,
177 .tuner_gpio = RDE250_XCV_TUNER,
178 .tuner_sif_gpio = 0x05,
179 .tuner_scl_gpio = 0x1a,
180 .tuner_sda_gpio = 0x1b,
181 .decoder = CX231XX_AVDECODER,
182 .output_mode = OUT_MODE_VIP11,
183 .demod_xfer_mode = 0,
184 .ctl_pin_status_mask = 0xFFFFFFC4,
185 .agc_analog_digital_select_gpio = 0x1c,
186 .gpio_pin_status_mask = 0x4001000,
187 .tuner_i2c_master = 1,
188 .demod_i2c_master = 2,
191 .norm = V4L2_STD_PAL,
194 .type = CX231XX_VMUX_TELEVISION,
195 .vmux = CX231XX_VIN_3_1,
196 .amux = CX231XX_AMUX_VIDEO,
199 .type = CX231XX_VMUX_COMPOSITE1,
200 .vmux = CX231XX_VIN_2_1,
201 .amux = CX231XX_AMUX_LINE_IN,
204 .type = CX231XX_VMUX_SVIDEO,
205 .vmux = CX231XX_VIN_1_1 |
206 (CX231XX_VIN_1_2 << 8) |
208 .amux = CX231XX_AMUX_LINE_IN,
214 [CX231XX_BOARD_CNXT_RDU_253S] = {
215 .name = "Conexant Hybrid TV - RDU253S",
216 .tuner_type = TUNER_NXP_TDA18271,
218 .tuner_gpio = RDE250_XCV_TUNER,
219 .tuner_sif_gpio = 0x05,
220 .tuner_scl_gpio = 0x1a,
221 .tuner_sda_gpio = 0x1b,
222 .decoder = CX231XX_AVDECODER,
223 .output_mode = OUT_MODE_VIP11,
224 .demod_xfer_mode = 0,
225 .ctl_pin_status_mask = 0xFFFFFFC4,
226 .agc_analog_digital_select_gpio = 0x1c,
227 .gpio_pin_status_mask = 0x4001000,
228 .tuner_i2c_master = 1,
229 .demod_i2c_master = 2,
232 .norm = V4L2_STD_PAL,
235 .type = CX231XX_VMUX_TELEVISION,
236 .vmux = CX231XX_VIN_3_1,
237 .amux = CX231XX_AMUX_VIDEO,
240 .type = CX231XX_VMUX_COMPOSITE1,
241 .vmux = CX231XX_VIN_2_1,
242 .amux = CX231XX_AMUX_LINE_IN,
245 .type = CX231XX_VMUX_SVIDEO,
246 .vmux = CX231XX_VIN_1_1 |
247 (CX231XX_VIN_1_2 << 8) |
249 .amux = CX231XX_AMUX_LINE_IN,
254 [CX231XX_BOARD_CNXT_VIDEO_GRABBER] = {
255 .name = "Conexant VIDEO GRABBER",
256 .tuner_type = TUNER_ABSENT,
257 .decoder = CX231XX_AVDECODER,
258 .output_mode = OUT_MODE_VIP11,
259 .ctl_pin_status_mask = 0xFFFFFFC4,
260 .agc_analog_digital_select_gpio = 0x1c,
261 .gpio_pin_status_mask = 0x4001000,
262 .norm = V4L2_STD_PAL,
265 .type = CX231XX_VMUX_COMPOSITE1,
266 .vmux = CX231XX_VIN_2_1,
267 .amux = CX231XX_AMUX_LINE_IN,
270 .type = CX231XX_VMUX_SVIDEO,
271 .vmux = CX231XX_VIN_1_1 |
272 (CX231XX_VIN_1_2 << 8) |
274 .amux = CX231XX_AMUX_LINE_IN,
279 [CX231XX_BOARD_CNXT_RDE_250] = {
280 .name = "Conexant Hybrid TV - rde 250",
281 .tuner_type = TUNER_XC5000,
283 .tuner_gpio = RDE250_XCV_TUNER,
284 .tuner_sif_gpio = 0x05,
285 .tuner_scl_gpio = 0x1a,
286 .tuner_sda_gpio = 0x1b,
287 .decoder = CX231XX_AVDECODER,
288 .output_mode = OUT_MODE_VIP11,
289 .demod_xfer_mode = 0,
290 .ctl_pin_status_mask = 0xFFFFFFC4,
291 .agc_analog_digital_select_gpio = 0x0c,
292 .gpio_pin_status_mask = 0x4001000,
293 .tuner_i2c_master = 1,
294 .demod_i2c_master = 2,
297 .norm = V4L2_STD_PAL,
300 .type = CX231XX_VMUX_TELEVISION,
301 .vmux = CX231XX_VIN_2_1,
302 .amux = CX231XX_AMUX_VIDEO,
307 [CX231XX_BOARD_CNXT_RDU_250] = {
308 .name = "Conexant Hybrid TV - RDU 250",
309 .tuner_type = TUNER_XC5000,
311 .tuner_gpio = RDE250_XCV_TUNER,
312 .tuner_sif_gpio = 0x05,
313 .tuner_scl_gpio = 0x1a,
314 .tuner_sda_gpio = 0x1b,
315 .decoder = CX231XX_AVDECODER,
316 .output_mode = OUT_MODE_VIP11,
317 .demod_xfer_mode = 0,
318 .ctl_pin_status_mask = 0xFFFFFFC4,
319 .agc_analog_digital_select_gpio = 0x0c,
320 .gpio_pin_status_mask = 0x4001000,
321 .tuner_i2c_master = 1,
322 .demod_i2c_master = 2,
325 .norm = V4L2_STD_NTSC,
328 .type = CX231XX_VMUX_TELEVISION,
329 .vmux = CX231XX_VIN_2_1,
330 .amux = CX231XX_AMUX_VIDEO,
335 [CX231XX_BOARD_HAUPPAUGE_EXETER] = {
336 .name = "Hauppauge EXETER",
337 .tuner_type = TUNER_NXP_TDA18271,
339 .tuner_gpio = RDE250_XCV_TUNER,
340 .tuner_sif_gpio = 0x05,
341 .tuner_scl_gpio = 0x1a,
342 .tuner_sda_gpio = 0x1b,
343 .decoder = CX231XX_AVDECODER,
344 .output_mode = OUT_MODE_VIP11,
345 .demod_xfer_mode = 0,
346 .ctl_pin_status_mask = 0xFFFFFFC4,
347 .agc_analog_digital_select_gpio = 0x0c,
348 .gpio_pin_status_mask = 0x4001000,
349 .tuner_i2c_master = 1,
350 .demod_i2c_master = 2,
353 .norm = V4L2_STD_NTSC,
356 .type = CX231XX_VMUX_TELEVISION,
357 .vmux = CX231XX_VIN_3_1,
358 .amux = CX231XX_AMUX_VIDEO,
361 .type = CX231XX_VMUX_COMPOSITE1,
362 .vmux = CX231XX_VIN_2_1,
363 .amux = CX231XX_AMUX_LINE_IN,
366 .type = CX231XX_VMUX_SVIDEO,
367 .vmux = CX231XX_VIN_1_1 |
368 (CX231XX_VIN_1_2 << 8) |
370 .amux = CX231XX_AMUX_LINE_IN,
374 [CX231XX_BOARD_HAUPPAUGE_USBLIVE2] = {
375 .name = "Hauppauge USB Live 2",
376 .tuner_type = TUNER_ABSENT,
377 .decoder = CX231XX_AVDECODER,
378 .output_mode = OUT_MODE_VIP11,
379 .demod_xfer_mode = 0,
380 .ctl_pin_status_mask = 0xFFFFFFC4,
381 .agc_analog_digital_select_gpio = 0x0c,
382 .gpio_pin_status_mask = 0x4001000,
383 .norm = V4L2_STD_NTSC,
385 .type = CX231XX_VMUX_COMPOSITE1,
386 .vmux = CX231XX_VIN_2_1,
387 .amux = CX231XX_AMUX_LINE_IN,
390 .type = CX231XX_VMUX_SVIDEO,
391 .vmux = CX231XX_VIN_1_1 |
392 (CX231XX_VIN_1_2 << 8) |
394 .amux = CX231XX_AMUX_LINE_IN,
399 const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
401 /* table of devices that work with this driver */
402 struct usb_device_id cx231xx_id_table[] = {
403 {USB_DEVICE(0x0572, 0x5A3C),
404 .driver_info = CX231XX_BOARD_UNKNOWN},
405 {USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000,0x4fff),
406 .driver_info = CX231XX_BOARD_UNKNOWN},
407 {USB_DEVICE(0x0572, 0x58A2),
408 .driver_info = CX231XX_BOARD_CNXT_CARRAERA},
409 {USB_DEVICE(0x0572, 0x58A1),
410 .driver_info = CX231XX_BOARD_CNXT_SHELBY},
411 {USB_DEVICE(0x0572, 0x58A4),
412 .driver_info = CX231XX_BOARD_CNXT_RDE_253S},
413 {USB_DEVICE(0x0572, 0x58A5),
414 .driver_info = CX231XX_BOARD_CNXT_RDU_253S},
415 {USB_DEVICE(0x0572, 0x58A6),
416 .driver_info = CX231XX_BOARD_CNXT_VIDEO_GRABBER},
417 {USB_DEVICE(0x0572, 0x589E),
418 .driver_info = CX231XX_BOARD_CNXT_RDE_250},
419 {USB_DEVICE(0x0572, 0x58A0),
420 .driver_info = CX231XX_BOARD_CNXT_RDU_250},
421 {USB_DEVICE(0x2040, 0xb120),
422 .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
423 {USB_DEVICE(0x2040, 0xb140),
424 .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
425 {USB_DEVICE(0x2040, 0xc200),
426 .driver_info = CX231XX_BOARD_HAUPPAUGE_USBLIVE2},
430 MODULE_DEVICE_TABLE(usb, cx231xx_id_table);
432 /* cx231xx_tuner_callback
433 * will be used to reset XC5000 tuner using GPIO pin
436 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg)
439 struct cx231xx *dev = ptr;
441 if (dev->tuner_type == TUNER_XC5000) {
442 if (command == XC5000_TUNER_RESET) {
444 ("Tuner CB: RESET: cmd %d : tuner type %d \n",
445 command, dev->tuner_type);
446 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
449 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
452 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
459 EXPORT_SYMBOL_GPL(cx231xx_tuner_callback);
461 void cx231xx_reset_out(struct cx231xx *dev)
463 cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
465 cx231xx_set_gpio_value(dev, CX23417_RESET, 0);
467 cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
469 void cx231xx_enable_OSC(struct cx231xx *dev)
471 cx231xx_set_gpio_value(dev, CX23417_OSC_EN, 1);
473 void cx231xx_sleep_s5h1432(struct cx231xx *dev)
475 cx231xx_set_gpio_value(dev, SLEEP_S5H1432, 0);
478 static inline void cx231xx_set_model(struct cx231xx *dev)
480 memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board));
483 /* Since cx231xx_pre_card_setup() requires a proper dev->model,
484 * this won't work for boards with generic PCI IDs
486 void cx231xx_pre_card_setup(struct cx231xx *dev)
489 cx231xx_set_model(dev);
491 cx231xx_info("Identified as %s (card=%d)\n",
492 dev->board.name, dev->model);
494 /* set the direction for GPIO pins */
495 if (dev->board.tuner_gpio) {
496 cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
497 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
499 if (dev->board.tuner_sif_gpio >= 0)
500 cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
502 /* request some modules if any required */
504 /* set the mode to Analog mode initially */
505 cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
508 /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */
512 static void cx231xx_config_tuner(struct cx231xx *dev)
514 struct tuner_setup tun_setup;
515 struct v4l2_frequency f;
517 if (dev->tuner_type == TUNER_ABSENT)
520 tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
521 tun_setup.type = dev->tuner_type;
522 tun_setup.addr = dev->tuner_addr;
523 tun_setup.tuner_callback = cx231xx_tuner_callback;
525 tuner_call(dev, tuner, s_type_addr, &tun_setup);
528 if (tun_setup.type == TUNER_XC5000) {
529 static struct xc2028_ctrl ctrl = {
530 .fname = XC5000_DEFAULT_FIRMWARE,
534 struct v4l2_priv_tun_config cfg = {
535 .tuner = dev->tuner_type,
538 tuner_call(dev, tuner, s_config, &cfg);
541 /* configure tuner */
543 f.type = V4L2_TUNER_ANALOG_TV;
544 f.frequency = 9076; /* just a magic number */
545 dev->ctl_freq = f.frequency;
546 call_all(dev, tuner, s_frequency, &f);
550 void cx231xx_card_setup(struct cx231xx *dev)
553 cx231xx_set_model(dev);
555 dev->tuner_type = cx231xx_boards[dev->model].tuner_type;
556 if (cx231xx_boards[dev->model].tuner_addr)
557 dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr;
559 /* request some modules */
560 if (dev->board.decoder == CX231XX_AVDECODER) {
561 dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
562 &dev->i2c_bus[0].i2c_adap,
563 "cx25840", 0x88 >> 1, NULL);
564 if (dev->sd_cx25840 == NULL)
565 cx231xx_info("cx25840 subdev registration failure\n");
566 cx25840_call(dev, core, load_fw);
570 /* Initialize the tuner */
571 if (dev->board.tuner_type != TUNER_ABSENT) {
572 dev->sd_tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev,
573 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
575 dev->tuner_addr, NULL);
576 if (dev->sd_tuner == NULL)
577 cx231xx_info("tuner subdev registration failure\n");
579 cx231xx_config_tuner(dev);
585 * inits registers with sane defaults
587 int cx231xx_config(struct cx231xx *dev)
589 /* TBD need to add cx231xx specific code */
590 dev->mute = 1; /* maybe not the right place... */
597 * cx231xx_config_i2c()
598 * configure i2c attached devices
600 void cx231xx_config_i2c(struct cx231xx *dev)
602 /* u32 input = INPUT(dev->video_input)->vmux; */
604 call_all(dev, video, s_stream, 1);
608 * cx231xx_realease_resources()
609 * unregisters the v4l2,i2c and usb devices
610 * called when the device gets disconected or at module unload
612 void cx231xx_release_resources(struct cx231xx *dev)
614 cx231xx_release_analog_resources(dev);
616 cx231xx_remove_from_devlist(dev);
618 cx231xx_dev_uninit(dev);
620 usb_put_dev(dev->udev);
622 /* Mark device as unused */
623 cx231xx_devused &= ~(1 << dev->devno);
628 * allocates and inits the device structs, registers i2c bus and v4l device
630 static int cx231xx_init_dev(struct cx231xx **devhandle, struct usb_device *udev,
633 struct cx231xx *dev = *devhandle;
634 int retval = -ENOMEM;
636 unsigned int maxh, maxw;
639 mutex_init(&dev->lock);
640 mutex_init(&dev->ctrl_urb_lock);
641 mutex_init(&dev->gpio_i2c_lock);
642 mutex_init(&dev->i2c_lock);
644 spin_lock_init(&dev->video_mode.slock);
645 spin_lock_init(&dev->vbi_mode.slock);
646 spin_lock_init(&dev->sliced_cc_mode.slock);
648 init_waitqueue_head(&dev->open);
649 init_waitqueue_head(&dev->wait_frame);
650 init_waitqueue_head(&dev->wait_stream);
652 dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg;
653 dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg;
654 dev->cx231xx_send_usb_command = cx231xx_send_usb_command;
655 dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read;
656 dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write;
658 /* Query cx231xx to find what pcb config it is related to */
659 initialize_cx231xx(dev);
661 /*To workaround error number=-71 on EP0 for VideoGrabber,
663 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER ||
664 dev->model == CX231XX_BOARD_HAUPPAUGE_USBLIVE2) {
665 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
666 cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
668 /* Cx231xx pre card setup */
669 cx231xx_pre_card_setup(dev);
671 errCode = cx231xx_config(dev);
673 cx231xx_errdev("error configuring device\n");
677 /* set default norm */
678 dev->norm = dev->board.norm;
680 /* register i2c bus */
681 errCode = cx231xx_dev_init(dev);
683 cx231xx_dev_uninit(dev);
684 cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n",
689 /* Do board specific init */
690 cx231xx_card_setup(dev);
692 /* configure the device */
693 cx231xx_config_i2c(dev);
695 maxw = norm_maxw(dev);
696 maxh = norm_maxh(dev);
698 /* set default image size */
702 dev->video_input = 0;
704 errCode = cx231xx_config(dev);
706 cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n",
711 /* init video dma queues */
712 INIT_LIST_HEAD(&dev->video_mode.vidq.active);
713 INIT_LIST_HEAD(&dev->video_mode.vidq.queued);
715 /* init vbi dma queues */
716 INIT_LIST_HEAD(&dev->vbi_mode.vidq.active);
717 INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued);
719 /* Reset other chips required if they are tied up with GPIO pins */
720 cx231xx_add_into_devlist(dev);
722 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
723 printk(KERN_INFO "attach 417 %d\n", dev->model);
724 if (cx231xx_417_register(dev) < 0) {
726 "%s() Failed to register 417 on VID_B\n",
731 retval = cx231xx_register_analog_devices(dev);
733 cx231xx_release_resources(dev);
734 goto fail_reg_devices;
737 cx231xx_init_extension(dev);
742 mutex_unlock(&dev->lock);
746 #if defined(CONFIG_MODULES) && defined(MODULE)
747 static void request_module_async(struct work_struct *work)
749 struct cx231xx *dev = container_of(work,
750 struct cx231xx, request_module_wk);
752 if (dev->has_alsa_audio)
753 request_module("cx231xx-alsa");
755 if (dev->board.has_dvb)
756 request_module("cx231xx-dvb");
760 static void request_modules(struct cx231xx *dev)
762 INIT_WORK(&dev->request_module_wk, request_module_async);
763 schedule_work(&dev->request_module_wk);
766 #define request_modules(dev)
767 #endif /* CONFIG_MODULES */
770 * cx231xx_usb_probe()
771 * checks for supported devices
773 static int cx231xx_usb_probe(struct usb_interface *interface,
774 const struct usb_device_id *id)
776 struct usb_device *udev;
777 struct usb_interface *uif;
778 struct cx231xx *dev = NULL;
779 int retval = -ENODEV;
781 int i, isoc_pipe = 0;
783 char descr[255] = "";
784 struct usb_interface *lif = NULL;
785 struct usb_interface_assoc_descriptor *assoc_desc;
787 udev = usb_get_dev(interface_to_usbdev(interface));
788 ifnum = interface->altsetting[0].desc.bInterfaceNumber;
792 * Interface number 0 - IR interface
794 /* Check to see next free device and mark as used */
795 nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS);
796 cx231xx_devused |= 1 << nr;
798 if (nr >= CX231XX_MAXBOARDS) {
799 cx231xx_err(DRIVER_NAME
800 ": Supports only %i cx231xx boards.\n", CX231XX_MAXBOARDS);
801 cx231xx_devused &= ~(1 << nr);
805 /* allocate memory for our device state and initialize it */
806 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
808 cx231xx_err(DRIVER_NAME ": out of memory!\n");
809 cx231xx_devused &= ~(1 << nr);
813 snprintf(dev->name, 29, "cx231xx #%d", nr);
815 dev->model = id->driver_info;
816 dev->video_mode.alt = -1;
817 dev->interface_count++;
819 /* reset gpio dir and value */
822 dev->xc_fw_load_done = 0;
823 dev->has_alsa_audio = 1;
824 dev->power_mode = -1;
825 atomic_set(&dev->devlist_count, 0);
827 /* 0 - vbi ; 1 -sliced cc mode */
828 dev->vbi_or_sliced_cc_mode = 0;
830 /* get maximum no.of IAD interfaces */
831 assoc_desc = udev->actconfig->intf_assoc[0];
832 dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
834 /* init CIR module TBD */
836 /* store the current interface */
839 /*mode_tv: digital=1 or analog=0*/
842 dev->USE_ISO = transfer_mode;
844 switch (udev->speed) {
848 case USB_SPEED_UNKNOWN:
859 if (udev->manufacturer)
860 strlcpy(descr, udev->manufacturer, sizeof(descr));
864 strlcat(descr, " ", sizeof(descr));
865 strlcat(descr, udev->product, sizeof(descr));
868 strlcat(descr, " ", sizeof(descr));
870 cx231xx_info("New device %s@ %s Mbps "
871 "(%04x:%04x) with %d interfaces\n",
874 le16_to_cpu(udev->descriptor.idVendor),
875 le16_to_cpu(udev->descriptor.idProduct),
876 dev->max_iad_interface_count);
878 /* store the interface 0 back */
879 lif = udev->actconfig->interface[0];
881 /* increment interface count */
882 dev->interface_count++;
884 /* get device number */
887 assoc_desc = udev->actconfig->intf_assoc[0];
888 if (assoc_desc->bFirstInterface != ifnum) {
889 cx231xx_err(DRIVER_NAME ": Not found "
890 "matching IAD interface\n");
897 cx231xx_info("registering interface %d\n", ifnum);
899 /* save our data pointer in this interface device */
900 usb_set_intfdata(lif, dev);
903 * AV device initialization - only done at the last interface
906 /* Create v4l2 device */
907 retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
909 cx231xx_errdev("v4l2_device_register failed\n");
910 cx231xx_devused &= ~(1 << nr);
915 /* allocate device struct */
916 retval = cx231xx_init_dev(&dev, udev, nr);
918 cx231xx_devused &= ~(1 << dev->devno);
919 v4l2_device_unregister(&dev->v4l2_dev);
922 usb_set_intfdata(lif, NULL);
927 /* compute alternate max packet sizes for video */
928 uif = udev->actconfig->interface[dev->current_pcb_config.
929 hs_config_info[0].interface_info.video_index + 1];
931 dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0].
932 endpoint[isoc_pipe].desc.bEndpointAddress);
934 dev->video_mode.num_alt = uif->num_altsetting;
935 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
936 dev->video_mode.end_point_addr,
937 dev->video_mode.num_alt);
938 dev->video_mode.alt_max_pkt_size =
939 kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
941 if (dev->video_mode.alt_max_pkt_size == NULL) {
942 cx231xx_errdev("out of memory!\n");
943 cx231xx_devused &= ~(1 << nr);
944 v4l2_device_unregister(&dev->v4l2_dev);
950 for (i = 0; i < dev->video_mode.num_alt; i++) {
951 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
952 desc.wMaxPacketSize);
953 dev->video_mode.alt_max_pkt_size[i] =
954 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
955 cx231xx_info("Alternate setting %i, max size= %i\n", i,
956 dev->video_mode.alt_max_pkt_size[i]);
959 /* compute alternate max packet sizes for vbi */
960 uif = udev->actconfig->interface[dev->current_pcb_config.
961 hs_config_info[0].interface_info.
964 dev->vbi_mode.end_point_addr =
965 le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
968 dev->vbi_mode.num_alt = uif->num_altsetting;
969 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
970 dev->vbi_mode.end_point_addr,
971 dev->vbi_mode.num_alt);
972 dev->vbi_mode.alt_max_pkt_size =
973 kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
975 if (dev->vbi_mode.alt_max_pkt_size == NULL) {
976 cx231xx_errdev("out of memory!\n");
977 cx231xx_devused &= ~(1 << nr);
978 v4l2_device_unregister(&dev->v4l2_dev);
984 for (i = 0; i < dev->vbi_mode.num_alt; i++) {
986 le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
987 desc.wMaxPacketSize);
988 dev->vbi_mode.alt_max_pkt_size[i] =
989 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
990 cx231xx_info("Alternate setting %i, max size= %i\n", i,
991 dev->vbi_mode.alt_max_pkt_size[i]);
994 /* compute alternate max packet sizes for sliced CC */
995 uif = udev->actconfig->interface[dev->current_pcb_config.
996 hs_config_info[0].interface_info.
999 dev->sliced_cc_mode.end_point_addr =
1000 le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1003 dev->sliced_cc_mode.num_alt = uif->num_altsetting;
1004 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1005 dev->sliced_cc_mode.end_point_addr,
1006 dev->sliced_cc_mode.num_alt);
1007 dev->sliced_cc_mode.alt_max_pkt_size =
1008 kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
1010 if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
1011 cx231xx_errdev("out of memory!\n");
1012 cx231xx_devused &= ~(1 << nr);
1013 v4l2_device_unregister(&dev->v4l2_dev);
1019 for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
1020 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1021 desc.wMaxPacketSize);
1022 dev->sliced_cc_mode.alt_max_pkt_size[i] =
1023 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1024 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1025 dev->sliced_cc_mode.alt_max_pkt_size[i]);
1028 if (dev->current_pcb_config.ts1_source != 0xff) {
1029 /* compute alternate max packet sizes for TS1 */
1030 uif = udev->actconfig->interface[dev->current_pcb_config.
1035 dev->ts1_mode.end_point_addr =
1036 le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].
1037 desc.bEndpointAddress);
1039 dev->ts1_mode.num_alt = uif->num_altsetting;
1040 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1041 dev->ts1_mode.end_point_addr,
1042 dev->ts1_mode.num_alt);
1043 dev->ts1_mode.alt_max_pkt_size =
1044 kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
1046 if (dev->ts1_mode.alt_max_pkt_size == NULL) {
1047 cx231xx_errdev("out of memory!\n");
1048 cx231xx_devused &= ~(1 << nr);
1049 v4l2_device_unregister(&dev->v4l2_dev);
1055 for (i = 0; i < dev->ts1_mode.num_alt; i++) {
1056 u16 tmp = le16_to_cpu(uif->altsetting[i].
1057 endpoint[isoc_pipe].desc.
1059 dev->ts1_mode.alt_max_pkt_size[i] =
1060 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1061 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1062 dev->ts1_mode.alt_max_pkt_size[i]);
1066 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
1067 cx231xx_enable_OSC(dev);
1068 cx231xx_reset_out(dev);
1069 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
1072 if (dev->model == CX231XX_BOARD_CNXT_RDE_253S)
1073 cx231xx_sleep_s5h1432(dev);
1075 /* load other modules required */
1076 request_modules(dev);
1082 * cx231xx_usb_disconnect()
1083 * called when the device gets diconencted
1084 * video device will be unregistered on v4l2_close in case it is still open
1086 static void cx231xx_usb_disconnect(struct usb_interface *interface)
1088 struct cx231xx *dev;
1090 dev = usb_get_intfdata(interface);
1091 usb_set_intfdata(interface, NULL);
1099 /* delete v4l2 device */
1100 v4l2_device_unregister(&dev->v4l2_dev);
1102 /* wait until all current v4l2 io is finished then deallocate
1104 mutex_lock(&dev->lock);
1106 wake_up_interruptible_all(&dev->open);
1110 ("device %s is open! Deregistration and memory "
1111 "deallocation are deferred on close.\n",
1112 video_device_node_name(dev->vdev));
1114 dev->state |= DEV_MISCONFIGURED;
1116 cx231xx_uninit_isoc(dev);
1118 cx231xx_uninit_bulk(dev);
1119 dev->state |= DEV_DISCONNECTED;
1120 wake_up_interruptible(&dev->wait_frame);
1121 wake_up_interruptible(&dev->wait_stream);
1123 dev->state |= DEV_DISCONNECTED;
1124 cx231xx_release_resources(dev);
1127 cx231xx_close_extension(dev);
1129 mutex_unlock(&dev->lock);
1132 kfree(dev->video_mode.alt_max_pkt_size);
1133 kfree(dev->vbi_mode.alt_max_pkt_size);
1134 kfree(dev->sliced_cc_mode.alt_max_pkt_size);
1135 kfree(dev->ts1_mode.alt_max_pkt_size);
1141 static struct usb_driver cx231xx_usb_driver = {
1143 .probe = cx231xx_usb_probe,
1144 .disconnect = cx231xx_usb_disconnect,
1145 .id_table = cx231xx_id_table,
1148 static int __init cx231xx_module_init(void)
1152 printk(KERN_INFO DRIVER_NAME " v4l2 driver loaded.\n");
1154 /* register this driver with the USB subsystem */
1155 result = usb_register(&cx231xx_usb_driver);
1157 cx231xx_err(DRIVER_NAME
1158 " usb_register failed. Error number %d.\n", result);
1163 static void __exit cx231xx_module_exit(void)
1165 /* deregister this driver with the USB subsystem */
1166 usb_deregister(&cx231xx_usb_driver);
1169 module_init(cx231xx_module_init);
1170 module_exit(cx231xx_module_exit);