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"
41 static int tuner = -1;
42 module_param(tuner, int, 0444);
43 MODULE_PARM_DESC(tuner, "tuner type");
45 static int transfer_mode = 1;
46 module_param(transfer_mode, int, 0444);
47 MODULE_PARM_DESC(transfer_mode, "transfer mode (1-ISO or 0-BULK)");
49 static unsigned int disable_ir;
50 module_param(disable_ir, int, 0444);
51 MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
53 /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */
54 static unsigned long cx231xx_devused;
57 * Reset sequences for analog/digital modes
60 static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = {
70 struct cx231xx_board cx231xx_boards[] = {
71 [CX231XX_BOARD_UNKNOWN] = {
72 .name = "Unknown CX231xx video grabber",
73 .tuner_type = TUNER_ABSENT,
75 .type = CX231XX_VMUX_TELEVISION,
76 .vmux = CX231XX_VIN_3_1,
77 .amux = CX231XX_AMUX_VIDEO,
80 .type = CX231XX_VMUX_COMPOSITE1,
81 .vmux = CX231XX_VIN_2_1,
82 .amux = CX231XX_AMUX_LINE_IN,
85 .type = CX231XX_VMUX_SVIDEO,
86 .vmux = CX231XX_VIN_1_1 |
87 (CX231XX_VIN_1_2 << 8) |
89 .amux = CX231XX_AMUX_LINE_IN,
94 [CX231XX_BOARD_CNXT_CARRAERA] = {
95 .name = "Conexant Hybrid TV - CARRAERA",
96 .tuner_type = TUNER_XC5000,
98 .tuner_gpio = RDE250_XCV_TUNER,
99 .tuner_sif_gpio = 0x05,
100 .tuner_scl_gpio = 0x1a,
101 .tuner_sda_gpio = 0x1b,
102 .decoder = CX231XX_AVDECODER,
103 .output_mode = OUT_MODE_VIP11,
104 .demod_xfer_mode = 0,
105 .ctl_pin_status_mask = 0xFFFFFFC4,
106 .agc_analog_digital_select_gpio = 0x0c,
107 .gpio_pin_status_mask = 0x4001000,
108 .tuner_i2c_master = 1,
109 .demod_i2c_master = 2,
112 .norm = V4L2_STD_PAL,
115 .type = CX231XX_VMUX_TELEVISION,
116 .vmux = CX231XX_VIN_3_1,
117 .amux = CX231XX_AMUX_VIDEO,
120 .type = CX231XX_VMUX_COMPOSITE1,
121 .vmux = CX231XX_VIN_2_1,
122 .amux = CX231XX_AMUX_LINE_IN,
125 .type = CX231XX_VMUX_SVIDEO,
126 .vmux = CX231XX_VIN_1_1 |
127 (CX231XX_VIN_1_2 << 8) |
129 .amux = CX231XX_AMUX_LINE_IN,
134 [CX231XX_BOARD_CNXT_SHELBY] = {
135 .name = "Conexant Hybrid TV - SHELBY",
136 .tuner_type = TUNER_XC5000,
138 .tuner_gpio = RDE250_XCV_TUNER,
139 .tuner_sif_gpio = 0x05,
140 .tuner_scl_gpio = 0x1a,
141 .tuner_sda_gpio = 0x1b,
142 .decoder = CX231XX_AVDECODER,
143 .output_mode = OUT_MODE_VIP11,
144 .demod_xfer_mode = 0,
145 .ctl_pin_status_mask = 0xFFFFFFC4,
146 .agc_analog_digital_select_gpio = 0x0c,
147 .gpio_pin_status_mask = 0x4001000,
148 .tuner_i2c_master = 1,
149 .demod_i2c_master = 2,
152 .norm = V4L2_STD_NTSC,
155 .type = CX231XX_VMUX_TELEVISION,
156 .vmux = CX231XX_VIN_3_1,
157 .amux = CX231XX_AMUX_VIDEO,
160 .type = CX231XX_VMUX_COMPOSITE1,
161 .vmux = CX231XX_VIN_2_1,
162 .amux = CX231XX_AMUX_LINE_IN,
165 .type = CX231XX_VMUX_SVIDEO,
166 .vmux = CX231XX_VIN_1_1 |
167 (CX231XX_VIN_1_2 << 8) |
169 .amux = CX231XX_AMUX_LINE_IN,
174 [CX231XX_BOARD_CNXT_RDE_253S] = {
175 .name = "Conexant Hybrid TV - RDE253S",
176 .tuner_type = TUNER_NXP_TDA18271,
178 .tuner_gpio = RDE250_XCV_TUNER,
179 .tuner_sif_gpio = 0x05,
180 .tuner_scl_gpio = 0x1a,
181 .tuner_sda_gpio = 0x1b,
182 .decoder = CX231XX_AVDECODER,
183 .output_mode = OUT_MODE_VIP11,
184 .demod_xfer_mode = 0,
185 .ctl_pin_status_mask = 0xFFFFFFC4,
186 .agc_analog_digital_select_gpio = 0x1c,
187 .gpio_pin_status_mask = 0x4001000,
188 .tuner_i2c_master = 1,
189 .demod_i2c_master = 2,
192 .norm = V4L2_STD_PAL,
195 .type = CX231XX_VMUX_TELEVISION,
196 .vmux = CX231XX_VIN_3_1,
197 .amux = CX231XX_AMUX_VIDEO,
200 .type = CX231XX_VMUX_COMPOSITE1,
201 .vmux = CX231XX_VIN_2_1,
202 .amux = CX231XX_AMUX_LINE_IN,
205 .type = CX231XX_VMUX_SVIDEO,
206 .vmux = CX231XX_VIN_1_1 |
207 (CX231XX_VIN_1_2 << 8) |
209 .amux = CX231XX_AMUX_LINE_IN,
215 [CX231XX_BOARD_CNXT_RDU_253S] = {
216 .name = "Conexant Hybrid TV - RDU253S",
217 .tuner_type = TUNER_NXP_TDA18271,
219 .tuner_gpio = RDE250_XCV_TUNER,
220 .tuner_sif_gpio = 0x05,
221 .tuner_scl_gpio = 0x1a,
222 .tuner_sda_gpio = 0x1b,
223 .decoder = CX231XX_AVDECODER,
224 .output_mode = OUT_MODE_VIP11,
225 .demod_xfer_mode = 0,
226 .ctl_pin_status_mask = 0xFFFFFFC4,
227 .agc_analog_digital_select_gpio = 0x1c,
228 .gpio_pin_status_mask = 0x4001000,
229 .tuner_i2c_master = 1,
230 .demod_i2c_master = 2,
233 .norm = V4L2_STD_PAL,
236 .type = CX231XX_VMUX_TELEVISION,
237 .vmux = CX231XX_VIN_3_1,
238 .amux = CX231XX_AMUX_VIDEO,
241 .type = CX231XX_VMUX_COMPOSITE1,
242 .vmux = CX231XX_VIN_2_1,
243 .amux = CX231XX_AMUX_LINE_IN,
246 .type = CX231XX_VMUX_SVIDEO,
247 .vmux = CX231XX_VIN_1_1 |
248 (CX231XX_VIN_1_2 << 8) |
250 .amux = CX231XX_AMUX_LINE_IN,
255 [CX231XX_BOARD_CNXT_VIDEO_GRABBER] = {
256 .name = "Conexant VIDEO GRABBER",
257 .tuner_type = TUNER_ABSENT,
258 .decoder = CX231XX_AVDECODER,
259 .output_mode = OUT_MODE_VIP11,
260 .ctl_pin_status_mask = 0xFFFFFFC4,
261 .agc_analog_digital_select_gpio = 0x1c,
262 .gpio_pin_status_mask = 0x4001000,
263 .norm = V4L2_STD_PAL,
266 .type = CX231XX_VMUX_COMPOSITE1,
267 .vmux = CX231XX_VIN_2_1,
268 .amux = CX231XX_AMUX_LINE_IN,
271 .type = CX231XX_VMUX_SVIDEO,
272 .vmux = CX231XX_VIN_1_1 |
273 (CX231XX_VIN_1_2 << 8) |
275 .amux = CX231XX_AMUX_LINE_IN,
280 [CX231XX_BOARD_CNXT_RDE_250] = {
281 .name = "Conexant Hybrid TV - rde 250",
282 .tuner_type = TUNER_XC5000,
284 .tuner_gpio = RDE250_XCV_TUNER,
285 .tuner_sif_gpio = 0x05,
286 .tuner_scl_gpio = 0x1a,
287 .tuner_sda_gpio = 0x1b,
288 .decoder = CX231XX_AVDECODER,
289 .output_mode = OUT_MODE_VIP11,
290 .demod_xfer_mode = 0,
291 .ctl_pin_status_mask = 0xFFFFFFC4,
292 .agc_analog_digital_select_gpio = 0x0c,
293 .gpio_pin_status_mask = 0x4001000,
294 .tuner_i2c_master = 1,
295 .demod_i2c_master = 2,
298 .norm = V4L2_STD_PAL,
301 .type = CX231XX_VMUX_TELEVISION,
302 .vmux = CX231XX_VIN_2_1,
303 .amux = CX231XX_AMUX_VIDEO,
308 [CX231XX_BOARD_CNXT_RDU_250] = {
309 .name = "Conexant Hybrid TV - RDU 250",
310 .tuner_type = TUNER_XC5000,
312 .tuner_gpio = RDE250_XCV_TUNER,
313 .tuner_sif_gpio = 0x05,
314 .tuner_scl_gpio = 0x1a,
315 .tuner_sda_gpio = 0x1b,
316 .decoder = CX231XX_AVDECODER,
317 .output_mode = OUT_MODE_VIP11,
318 .demod_xfer_mode = 0,
319 .ctl_pin_status_mask = 0xFFFFFFC4,
320 .agc_analog_digital_select_gpio = 0x0c,
321 .gpio_pin_status_mask = 0x4001000,
322 .tuner_i2c_master = 1,
323 .demod_i2c_master = 2,
326 .norm = V4L2_STD_NTSC,
329 .type = CX231XX_VMUX_TELEVISION,
330 .vmux = CX231XX_VIN_2_1,
331 .amux = CX231XX_AMUX_VIDEO,
336 [CX231XX_BOARD_HAUPPAUGE_EXETER] = {
337 .name = "Hauppauge EXETER",
338 .tuner_type = TUNER_NXP_TDA18271,
340 .tuner_gpio = RDE250_XCV_TUNER,
341 .tuner_sif_gpio = 0x05,
342 .tuner_scl_gpio = 0x1a,
343 .tuner_sda_gpio = 0x1b,
344 .decoder = CX231XX_AVDECODER,
345 .output_mode = OUT_MODE_VIP11,
346 .demod_xfer_mode = 0,
347 .ctl_pin_status_mask = 0xFFFFFFC4,
348 .agc_analog_digital_select_gpio = 0x0c,
349 .gpio_pin_status_mask = 0x4001000,
350 .tuner_i2c_master = 1,
351 .demod_i2c_master = 2,
354 .norm = V4L2_STD_NTSC,
357 .type = CX231XX_VMUX_TELEVISION,
358 .vmux = CX231XX_VIN_3_1,
359 .amux = CX231XX_AMUX_VIDEO,
362 .type = CX231XX_VMUX_COMPOSITE1,
363 .vmux = CX231XX_VIN_2_1,
364 .amux = CX231XX_AMUX_LINE_IN,
367 .type = CX231XX_VMUX_SVIDEO,
368 .vmux = CX231XX_VIN_1_1 |
369 (CX231XX_VIN_1_2 << 8) |
371 .amux = CX231XX_AMUX_LINE_IN,
375 [CX231XX_BOARD_HAUPPAUGE_USBLIVE2] = {
376 .name = "Hauppauge USB Live 2",
377 .tuner_type = TUNER_ABSENT,
378 .decoder = CX231XX_AVDECODER,
379 .output_mode = OUT_MODE_VIP11,
380 .demod_xfer_mode = 0,
381 .ctl_pin_status_mask = 0xFFFFFFC4,
382 .agc_analog_digital_select_gpio = 0x0c,
383 .gpio_pin_status_mask = 0x4001000,
384 .norm = V4L2_STD_NTSC,
386 .type = CX231XX_VMUX_COMPOSITE1,
387 .vmux = CX231XX_VIN_2_1,
388 .amux = CX231XX_AMUX_LINE_IN,
391 .type = CX231XX_VMUX_SVIDEO,
392 .vmux = CX231XX_VIN_1_1 |
393 (CX231XX_VIN_1_2 << 8) |
395 .amux = CX231XX_AMUX_LINE_IN,
399 [CX231XX_BOARD_PV_PLAYTV_USB_HYBRID] = {
400 .name = "Pixelview PlayTV USB Hybrid",
401 .tuner_type = TUNER_NXP_TDA18271,
403 .decoder = CX231XX_AVDECODER,
404 .output_mode = OUT_MODE_VIP11,
405 .demod_xfer_mode = 0,
406 .ctl_pin_status_mask = 0xFFFFFFC4,
407 .agc_analog_digital_select_gpio = 0x00, /* According with PV cxPolaris.inf file */
408 .tuner_sif_gpio = -1,
409 .tuner_scl_gpio = -1,
410 .tuner_sda_gpio = -1,
411 .gpio_pin_status_mask = 0x4001000,
412 .tuner_i2c_master = 2,
413 .demod_i2c_master = 1,
415 .rc_map_name = RC_MAP_PIXELVIEW_002T,
418 .norm = V4L2_STD_PAL_M,
420 .type = CX231XX_VMUX_TELEVISION,
421 .vmux = CX231XX_VIN_3_1,
422 .amux = CX231XX_AMUX_VIDEO,
425 .type = CX231XX_VMUX_COMPOSITE1,
426 .vmux = CX231XX_VIN_2_1,
427 .amux = CX231XX_AMUX_LINE_IN,
430 .type = CX231XX_VMUX_SVIDEO,
431 .vmux = CX231XX_VIN_1_1 |
432 (CX231XX_VIN_1_2 << 8) |
434 .amux = CX231XX_AMUX_LINE_IN,
439 const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
441 /* table of devices that work with this driver */
442 struct usb_device_id cx231xx_id_table[] = {
443 {USB_DEVICE(0x0572, 0x5A3C),
444 .driver_info = CX231XX_BOARD_UNKNOWN},
445 {USB_DEVICE(0x0572, 0x58A2),
446 .driver_info = CX231XX_BOARD_CNXT_CARRAERA},
447 {USB_DEVICE(0x0572, 0x58A1),
448 .driver_info = CX231XX_BOARD_CNXT_SHELBY},
449 {USB_DEVICE(0x0572, 0x58A4),
450 .driver_info = CX231XX_BOARD_CNXT_RDE_253S},
451 {USB_DEVICE(0x0572, 0x58A5),
452 .driver_info = CX231XX_BOARD_CNXT_RDU_253S},
453 {USB_DEVICE(0x0572, 0x58A6),
454 .driver_info = CX231XX_BOARD_CNXT_VIDEO_GRABBER},
455 {USB_DEVICE(0x0572, 0x589E),
456 .driver_info = CX231XX_BOARD_CNXT_RDE_250},
457 {USB_DEVICE(0x0572, 0x58A0),
458 .driver_info = CX231XX_BOARD_CNXT_RDU_250},
459 {USB_DEVICE(0x2040, 0xb120),
460 .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
461 {USB_DEVICE(0x2040, 0xb140),
462 .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
463 {USB_DEVICE(0x2040, 0xc200),
464 .driver_info = CX231XX_BOARD_HAUPPAUGE_USBLIVE2},
465 {USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000, 0x4001),
466 .driver_info = CX231XX_BOARD_PV_PLAYTV_USB_HYBRID},
470 MODULE_DEVICE_TABLE(usb, cx231xx_id_table);
472 /* cx231xx_tuner_callback
473 * will be used to reset XC5000 tuner using GPIO pin
476 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg)
479 struct cx231xx *dev = ptr;
481 if (dev->tuner_type == TUNER_XC5000) {
482 if (command == XC5000_TUNER_RESET) {
484 ("Tuner CB: RESET: cmd %d : tuner type %d \n",
485 command, dev->tuner_type);
486 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
489 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
492 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
496 } else if (dev->tuner_type == TUNER_NXP_TDA18271) {
498 case TDA18271_CALLBACK_CMD_AGC_ENABLE:
499 if (dev->model == CX231XX_BOARD_PV_PLAYTV_USB_HYBRID)
500 rc = cx231xx_set_agc_analog_digital_mux_select(dev, arg);
509 EXPORT_SYMBOL_GPL(cx231xx_tuner_callback);
511 void cx231xx_reset_out(struct cx231xx *dev)
513 cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
515 cx231xx_set_gpio_value(dev, CX23417_RESET, 0);
517 cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
519 void cx231xx_enable_OSC(struct cx231xx *dev)
521 cx231xx_set_gpio_value(dev, CX23417_OSC_EN, 1);
523 void cx231xx_sleep_s5h1432(struct cx231xx *dev)
525 cx231xx_set_gpio_value(dev, SLEEP_S5H1432, 0);
528 static inline void cx231xx_set_model(struct cx231xx *dev)
530 memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board));
533 /* Since cx231xx_pre_card_setup() requires a proper dev->model,
534 * this won't work for boards with generic PCI IDs
536 void cx231xx_pre_card_setup(struct cx231xx *dev)
539 cx231xx_set_model(dev);
541 cx231xx_info("Identified as %s (card=%d)\n",
542 dev->board.name, dev->model);
544 /* set the direction for GPIO pins */
545 if (dev->board.tuner_gpio) {
546 cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
547 cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
549 if (dev->board.tuner_sif_gpio >= 0)
550 cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
552 /* request some modules if any required */
554 /* set the mode to Analog mode initially */
555 cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
558 /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */
562 static void cx231xx_config_tuner(struct cx231xx *dev)
564 struct tuner_setup tun_setup;
565 struct v4l2_frequency f;
567 if (dev->tuner_type == TUNER_ABSENT)
570 tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
571 tun_setup.type = dev->tuner_type;
572 tun_setup.addr = dev->tuner_addr;
573 tun_setup.tuner_callback = cx231xx_tuner_callback;
575 tuner_call(dev, tuner, s_type_addr, &tun_setup);
578 if (tun_setup.type == TUNER_XC5000) {
579 static struct xc2028_ctrl ctrl = {
580 .fname = XC5000_DEFAULT_FIRMWARE,
584 struct v4l2_priv_tun_config cfg = {
585 .tuner = dev->tuner_type,
588 tuner_call(dev, tuner, s_config, &cfg);
591 /* configure tuner */
593 f.type = V4L2_TUNER_ANALOG_TV;
594 f.frequency = 9076; /* just a magic number */
595 dev->ctl_freq = f.frequency;
596 call_all(dev, tuner, s_frequency, &f);
600 void cx231xx_card_setup(struct cx231xx *dev)
603 cx231xx_set_model(dev);
605 dev->tuner_type = cx231xx_boards[dev->model].tuner_type;
606 if (cx231xx_boards[dev->model].tuner_addr)
607 dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr;
609 /* request some modules */
610 if (dev->board.decoder == CX231XX_AVDECODER) {
611 dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
612 &dev->i2c_bus[0].i2c_adap,
613 "cx25840", 0x88 >> 1, NULL);
614 if (dev->sd_cx25840 == NULL)
615 cx231xx_info("cx25840 subdev registration failure\n");
616 cx25840_call(dev, core, load_fw);
620 /* Initialize the tuner */
621 if (dev->board.tuner_type != TUNER_ABSENT) {
622 dev->sd_tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev,
623 &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
625 dev->tuner_addr, NULL);
626 if (dev->sd_tuner == NULL)
627 cx231xx_info("tuner subdev registration failure\n");
629 cx231xx_config_tuner(dev);
635 * inits registers with sane defaults
637 int cx231xx_config(struct cx231xx *dev)
639 /* TBD need to add cx231xx specific code */
640 dev->mute = 1; /* maybe not the right place... */
647 * cx231xx_config_i2c()
648 * configure i2c attached devices
650 void cx231xx_config_i2c(struct cx231xx *dev)
652 /* u32 input = INPUT(dev->video_input)->vmux; */
654 call_all(dev, video, s_stream, 1);
658 * cx231xx_realease_resources()
659 * unregisters the v4l2,i2c and usb devices
660 * called when the device gets disconected or at module unload
662 void cx231xx_release_resources(struct cx231xx *dev)
664 cx231xx_release_analog_resources(dev);
666 cx231xx_remove_from_devlist(dev);
668 /* Release I2C buses */
669 cx231xx_dev_uninit(dev);
671 cx231xx_ir_exit(dev);
673 usb_put_dev(dev->udev);
675 /* Mark device as unused */
676 cx231xx_devused &= ~(1 << dev->devno);
681 * allocates and inits the device structs, registers i2c bus and v4l device
683 static int cx231xx_init_dev(struct cx231xx **devhandle, struct usb_device *udev,
686 struct cx231xx *dev = *devhandle;
687 int retval = -ENOMEM;
689 unsigned int maxh, maxw;
692 mutex_init(&dev->lock);
693 mutex_init(&dev->ctrl_urb_lock);
694 mutex_init(&dev->gpio_i2c_lock);
695 mutex_init(&dev->i2c_lock);
697 spin_lock_init(&dev->video_mode.slock);
698 spin_lock_init(&dev->vbi_mode.slock);
699 spin_lock_init(&dev->sliced_cc_mode.slock);
701 init_waitqueue_head(&dev->open);
702 init_waitqueue_head(&dev->wait_frame);
703 init_waitqueue_head(&dev->wait_stream);
705 dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg;
706 dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg;
707 dev->cx231xx_send_usb_command = cx231xx_send_usb_command;
708 dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read;
709 dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write;
711 /* Query cx231xx to find what pcb config it is related to */
712 initialize_cx231xx(dev);
714 /*To workaround error number=-71 on EP0 for VideoGrabber,
716 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER ||
717 dev->model == CX231XX_BOARD_HAUPPAUGE_USBLIVE2) {
718 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
719 cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
721 /* Cx231xx pre card setup */
722 cx231xx_pre_card_setup(dev);
724 errCode = cx231xx_config(dev);
726 cx231xx_errdev("error configuring device\n");
730 /* set default norm */
731 dev->norm = dev->board.norm;
733 /* register i2c bus */
734 errCode = cx231xx_dev_init(dev);
736 cx231xx_dev_uninit(dev);
737 cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n",
742 /* Do board specific init */
743 cx231xx_card_setup(dev);
745 /* configure the device */
746 cx231xx_config_i2c(dev);
748 maxw = norm_maxw(dev);
749 maxh = norm_maxh(dev);
751 /* set default image size */
755 dev->video_input = 0;
757 errCode = cx231xx_config(dev);
759 cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n",
764 /* init video dma queues */
765 INIT_LIST_HEAD(&dev->video_mode.vidq.active);
766 INIT_LIST_HEAD(&dev->video_mode.vidq.queued);
768 /* init vbi dma queues */
769 INIT_LIST_HEAD(&dev->vbi_mode.vidq.active);
770 INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued);
772 /* Reset other chips required if they are tied up with GPIO pins */
773 cx231xx_add_into_devlist(dev);
775 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
776 printk(KERN_INFO "attach 417 %d\n", dev->model);
777 if (cx231xx_417_register(dev) < 0) {
779 "%s() Failed to register 417 on VID_B\n",
784 retval = cx231xx_register_analog_devices(dev);
786 cx231xx_release_resources(dev);
790 cx231xx_ir_init(dev);
792 cx231xx_init_extension(dev);
797 #if defined(CONFIG_MODULES) && defined(MODULE)
798 static void request_module_async(struct work_struct *work)
800 struct cx231xx *dev = container_of(work,
801 struct cx231xx, request_module_wk);
803 if (dev->has_alsa_audio)
804 request_module("cx231xx-alsa");
806 if (dev->board.has_dvb)
807 request_module("cx231xx-dvb");
811 static void request_modules(struct cx231xx *dev)
813 INIT_WORK(&dev->request_module_wk, request_module_async);
814 schedule_work(&dev->request_module_wk);
817 static void flush_request_modules(struct cx231xx *dev)
819 flush_work_sync(&dev->request_module_wk);
822 #define request_modules(dev)
823 #define flush_request_modules(dev)
824 #endif /* CONFIG_MODULES */
827 * cx231xx_usb_probe()
828 * checks for supported devices
830 static int cx231xx_usb_probe(struct usb_interface *interface,
831 const struct usb_device_id *id)
833 struct usb_device *udev;
834 struct usb_interface *uif;
835 struct cx231xx *dev = NULL;
836 int retval = -ENODEV;
838 int i, isoc_pipe = 0;
840 char descr[255] = "";
841 struct usb_interface *lif = NULL;
842 struct usb_interface_assoc_descriptor *assoc_desc;
844 udev = usb_get_dev(interface_to_usbdev(interface));
845 ifnum = interface->altsetting[0].desc.bInterfaceNumber;
849 * Interface number 0 - IR interface
851 /* Check to see next free device and mark as used */
852 nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS);
853 cx231xx_devused |= 1 << nr;
855 if (nr >= CX231XX_MAXBOARDS) {
856 cx231xx_err(DRIVER_NAME
857 ": Supports only %i cx231xx boards.\n", CX231XX_MAXBOARDS);
858 cx231xx_devused &= ~(1 << nr);
862 /* allocate memory for our device state and initialize it */
863 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
865 cx231xx_err(DRIVER_NAME ": out of memory!\n");
866 cx231xx_devused &= ~(1 << nr);
870 snprintf(dev->name, 29, "cx231xx #%d", nr);
872 dev->model = id->driver_info;
873 dev->video_mode.alt = -1;
874 dev->interface_count++;
876 /* reset gpio dir and value */
879 dev->xc_fw_load_done = 0;
880 dev->has_alsa_audio = 1;
881 dev->power_mode = -1;
882 atomic_set(&dev->devlist_count, 0);
884 /* 0 - vbi ; 1 -sliced cc mode */
885 dev->vbi_or_sliced_cc_mode = 0;
887 /* get maximum no.of IAD interfaces */
888 assoc_desc = udev->actconfig->intf_assoc[0];
889 dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
891 /* init CIR module TBD */
893 /* store the current interface */
896 /*mode_tv: digital=1 or analog=0*/
899 dev->USE_ISO = transfer_mode;
901 switch (udev->speed) {
905 case USB_SPEED_UNKNOWN:
916 if (udev->manufacturer)
917 strlcpy(descr, udev->manufacturer, sizeof(descr));
921 strlcat(descr, " ", sizeof(descr));
922 strlcat(descr, udev->product, sizeof(descr));
925 strlcat(descr, " ", sizeof(descr));
927 cx231xx_info("New device %s@ %s Mbps "
928 "(%04x:%04x) with %d interfaces\n",
931 le16_to_cpu(udev->descriptor.idVendor),
932 le16_to_cpu(udev->descriptor.idProduct),
933 dev->max_iad_interface_count);
935 /* store the interface 0 back */
936 lif = udev->actconfig->interface[0];
938 /* increment interface count */
939 dev->interface_count++;
941 /* get device number */
944 assoc_desc = udev->actconfig->intf_assoc[0];
945 if (assoc_desc->bFirstInterface != ifnum) {
946 cx231xx_err(DRIVER_NAME ": Not found "
947 "matching IAD interface\n");
954 cx231xx_info("registering interface %d\n", ifnum);
956 /* save our data pointer in this interface device */
957 usb_set_intfdata(lif, dev);
960 * AV device initialization - only done at the last interface
963 /* Create v4l2 device */
964 retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
966 cx231xx_errdev("v4l2_device_register failed\n");
967 cx231xx_devused &= ~(1 << nr);
972 /* allocate device struct */
973 retval = cx231xx_init_dev(&dev, udev, nr);
975 cx231xx_devused &= ~(1 << dev->devno);
976 v4l2_device_unregister(&dev->v4l2_dev);
979 usb_set_intfdata(lif, NULL);
984 /* compute alternate max packet sizes for video */
985 uif = udev->actconfig->interface[dev->current_pcb_config.
986 hs_config_info[0].interface_info.video_index + 1];
988 dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0].
989 endpoint[isoc_pipe].desc.bEndpointAddress);
991 dev->video_mode.num_alt = uif->num_altsetting;
992 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
993 dev->video_mode.end_point_addr,
994 dev->video_mode.num_alt);
995 dev->video_mode.alt_max_pkt_size =
996 kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
998 if (dev->video_mode.alt_max_pkt_size == NULL) {
999 cx231xx_errdev("out of memory!\n");
1000 cx231xx_devused &= ~(1 << nr);
1001 v4l2_device_unregister(&dev->v4l2_dev);
1007 for (i = 0; i < dev->video_mode.num_alt; i++) {
1008 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1009 desc.wMaxPacketSize);
1010 dev->video_mode.alt_max_pkt_size[i] =
1011 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1012 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1013 dev->video_mode.alt_max_pkt_size[i]);
1016 /* compute alternate max packet sizes for vbi */
1017 uif = udev->actconfig->interface[dev->current_pcb_config.
1018 hs_config_info[0].interface_info.
1021 dev->vbi_mode.end_point_addr =
1022 le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1025 dev->vbi_mode.num_alt = uif->num_altsetting;
1026 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1027 dev->vbi_mode.end_point_addr,
1028 dev->vbi_mode.num_alt);
1029 dev->vbi_mode.alt_max_pkt_size =
1030 kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
1032 if (dev->vbi_mode.alt_max_pkt_size == NULL) {
1033 cx231xx_errdev("out of memory!\n");
1034 cx231xx_devused &= ~(1 << nr);
1035 v4l2_device_unregister(&dev->v4l2_dev);
1041 for (i = 0; i < dev->vbi_mode.num_alt; i++) {
1043 le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1044 desc.wMaxPacketSize);
1045 dev->vbi_mode.alt_max_pkt_size[i] =
1046 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1047 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1048 dev->vbi_mode.alt_max_pkt_size[i]);
1051 /* compute alternate max packet sizes for sliced CC */
1052 uif = udev->actconfig->interface[dev->current_pcb_config.
1053 hs_config_info[0].interface_info.
1056 dev->sliced_cc_mode.end_point_addr =
1057 le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1060 dev->sliced_cc_mode.num_alt = uif->num_altsetting;
1061 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1062 dev->sliced_cc_mode.end_point_addr,
1063 dev->sliced_cc_mode.num_alt);
1064 dev->sliced_cc_mode.alt_max_pkt_size =
1065 kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
1067 if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
1068 cx231xx_errdev("out of memory!\n");
1069 cx231xx_devused &= ~(1 << nr);
1070 v4l2_device_unregister(&dev->v4l2_dev);
1076 for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
1077 u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1078 desc.wMaxPacketSize);
1079 dev->sliced_cc_mode.alt_max_pkt_size[i] =
1080 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1081 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1082 dev->sliced_cc_mode.alt_max_pkt_size[i]);
1085 if (dev->current_pcb_config.ts1_source != 0xff) {
1086 /* compute alternate max packet sizes for TS1 */
1087 uif = udev->actconfig->interface[dev->current_pcb_config.
1092 dev->ts1_mode.end_point_addr =
1093 le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].
1094 desc.bEndpointAddress);
1096 dev->ts1_mode.num_alt = uif->num_altsetting;
1097 cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1098 dev->ts1_mode.end_point_addr,
1099 dev->ts1_mode.num_alt);
1100 dev->ts1_mode.alt_max_pkt_size =
1101 kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
1103 if (dev->ts1_mode.alt_max_pkt_size == NULL) {
1104 cx231xx_errdev("out of memory!\n");
1105 cx231xx_devused &= ~(1 << nr);
1106 v4l2_device_unregister(&dev->v4l2_dev);
1112 for (i = 0; i < dev->ts1_mode.num_alt; i++) {
1113 u16 tmp = le16_to_cpu(uif->altsetting[i].
1114 endpoint[isoc_pipe].desc.
1116 dev->ts1_mode.alt_max_pkt_size[i] =
1117 (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1118 cx231xx_info("Alternate setting %i, max size= %i\n", i,
1119 dev->ts1_mode.alt_max_pkt_size[i]);
1123 if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
1124 cx231xx_enable_OSC(dev);
1125 cx231xx_reset_out(dev);
1126 cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
1129 if (dev->model == CX231XX_BOARD_CNXT_RDE_253S)
1130 cx231xx_sleep_s5h1432(dev);
1132 /* load other modules required */
1133 request_modules(dev);
1139 * cx231xx_usb_disconnect()
1140 * called when the device gets diconencted
1141 * video device will be unregistered on v4l2_close in case it is still open
1143 static void cx231xx_usb_disconnect(struct usb_interface *interface)
1145 struct cx231xx *dev;
1147 dev = usb_get_intfdata(interface);
1148 usb_set_intfdata(interface, NULL);
1156 flush_request_modules(dev);
1158 /* delete v4l2 device */
1159 v4l2_device_unregister(&dev->v4l2_dev);
1161 /* wait until all current v4l2 io is finished then deallocate
1163 mutex_lock(&dev->lock);
1165 wake_up_interruptible_all(&dev->open);
1169 ("device %s is open! Deregistration and memory "
1170 "deallocation are deferred on close.\n",
1171 video_device_node_name(dev->vdev));
1173 dev->state |= DEV_MISCONFIGURED;
1175 cx231xx_uninit_isoc(dev);
1177 cx231xx_uninit_bulk(dev);
1178 dev->state |= DEV_DISCONNECTED;
1179 wake_up_interruptible(&dev->wait_frame);
1180 wake_up_interruptible(&dev->wait_stream);
1182 dev->state |= DEV_DISCONNECTED;
1183 cx231xx_release_resources(dev);
1186 cx231xx_close_extension(dev);
1188 mutex_unlock(&dev->lock);
1191 kfree(dev->video_mode.alt_max_pkt_size);
1192 kfree(dev->vbi_mode.alt_max_pkt_size);
1193 kfree(dev->sliced_cc_mode.alt_max_pkt_size);
1194 kfree(dev->ts1_mode.alt_max_pkt_size);
1200 static struct usb_driver cx231xx_usb_driver = {
1202 .probe = cx231xx_usb_probe,
1203 .disconnect = cx231xx_usb_disconnect,
1204 .id_table = cx231xx_id_table,
1207 static int __init cx231xx_module_init(void)
1211 printk(KERN_INFO DRIVER_NAME " v4l2 driver loaded.\n");
1213 /* register this driver with the USB subsystem */
1214 result = usb_register(&cx231xx_usb_driver);
1216 cx231xx_err(DRIVER_NAME
1217 " usb_register failed. Error number %d.\n", result);
1222 static void __exit cx231xx_module_exit(void)
1224 /* deregister this driver with the USB subsystem */
1225 usb_deregister(&cx231xx_usb_driver);
1228 module_init(cx231xx_module_init);
1229 module_exit(cx231xx_module_exit);