1 /*
2    cx231xx-cards.c - driver for Conexant Cx23100/101/102
3 				USB video capture devices
4 
5    Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
6 				Based on em28xx driver
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>
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 
33 #include <media/cx25840.h>
34 #include "dvb-usb-ids.h"
35 #include "xc5000.h"
36 #include "tda18271.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 int transfer_mode = 1;
45 module_param(transfer_mode, int, 0444);
46 MODULE_PARM_DESC(transfer_mode, "transfer mode (1-ISO or 0-BULK)");
47 
48 static unsigned int disable_ir;
49 module_param(disable_ir, int, 0444);
50 MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
51 
52 /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */
53 static unsigned long cx231xx_devused;
54 
55 /*
56  *  Reset sequences for analog/digital modes
57  */
58 
59 static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = {
60 	{0x03, 0x01, 10},
61 	{0x03, 0x00, 30},
62 	{0x03, 0x01, 10},
63 	{-1, -1, -1},
64 };
65 
66 /*
67  *  Board definitions
68  */
69 struct cx231xx_board cx231xx_boards[] = {
70 	[CX231XX_BOARD_UNKNOWN] = {
71 		.name = "Unknown CX231xx video grabber",
72 		.tuner_type = TUNER_ABSENT,
73 		.input = {{
74 				.type = CX231XX_VMUX_TELEVISION,
75 				.vmux = CX231XX_VIN_3_1,
76 				.amux = CX231XX_AMUX_VIDEO,
77 				.gpio = NULL,
78 			}, {
79 				.type = CX231XX_VMUX_COMPOSITE1,
80 				.vmux = CX231XX_VIN_2_1,
81 				.amux = CX231XX_AMUX_LINE_IN,
82 				.gpio = NULL,
83 			}, {
84 				.type = CX231XX_VMUX_SVIDEO,
85 				.vmux = CX231XX_VIN_1_1 |
86 					(CX231XX_VIN_1_2 << 8) |
87 					CX25840_SVIDEO_ON,
88 				.amux = CX231XX_AMUX_LINE_IN,
89 				.gpio = NULL,
90 			}
91 		},
92 	},
93 	[CX231XX_BOARD_CNXT_CARRAERA] = {
94 		.name = "Conexant Hybrid TV - CARRAERA",
95 		.tuner_type = TUNER_XC5000,
96 		.tuner_addr = 0x61,
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,
109 		.has_dvb = 1,
110 		.demod_addr = 0x02,
111 		.norm = V4L2_STD_PAL,
112 
113 		.input = {{
114 				.type = CX231XX_VMUX_TELEVISION,
115 				.vmux = CX231XX_VIN_3_1,
116 				.amux = CX231XX_AMUX_VIDEO,
117 				.gpio = NULL,
118 			}, {
119 				.type = CX231XX_VMUX_COMPOSITE1,
120 				.vmux = CX231XX_VIN_2_1,
121 				.amux = CX231XX_AMUX_LINE_IN,
122 				.gpio = NULL,
123 			}, {
124 				.type = CX231XX_VMUX_SVIDEO,
125 				.vmux = CX231XX_VIN_1_1 |
126 					(CX231XX_VIN_1_2 << 8) |
127 					CX25840_SVIDEO_ON,
128 				.amux = CX231XX_AMUX_LINE_IN,
129 				.gpio = NULL,
130 			}
131 		},
132 	},
133 	[CX231XX_BOARD_CNXT_SHELBY] = {
134 		.name = "Conexant Hybrid TV - SHELBY",
135 		.tuner_type = TUNER_XC5000,
136 		.tuner_addr = 0x61,
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,
149 		.has_dvb = 1,
150 		.demod_addr = 0x32,
151 		.norm = V4L2_STD_NTSC,
152 
153 		.input = {{
154 				.type = CX231XX_VMUX_TELEVISION,
155 				.vmux = CX231XX_VIN_3_1,
156 				.amux = CX231XX_AMUX_VIDEO,
157 				.gpio = NULL,
158 			}, {
159 				.type = CX231XX_VMUX_COMPOSITE1,
160 				.vmux = CX231XX_VIN_2_1,
161 				.amux = CX231XX_AMUX_LINE_IN,
162 				.gpio = NULL,
163 			}, {
164 				.type = CX231XX_VMUX_SVIDEO,
165 				.vmux = CX231XX_VIN_1_1 |
166 					(CX231XX_VIN_1_2 << 8) |
167 					CX25840_SVIDEO_ON,
168 				.amux = CX231XX_AMUX_LINE_IN,
169 				.gpio = NULL,
170 			}
171 		},
172 	},
173 	[CX231XX_BOARD_CNXT_RDE_253S] = {
174 		.name = "Conexant Hybrid TV - RDE253S",
175 		.tuner_type = TUNER_NXP_TDA18271,
176 		.tuner_addr = 0x60,
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,
189 		.has_dvb = 1,
190 		.demod_addr = 0x02,
191 		.norm = V4L2_STD_PAL,
192 
193 		.input = {{
194 				.type = CX231XX_VMUX_TELEVISION,
195 				.vmux = CX231XX_VIN_3_1,
196 				.amux = CX231XX_AMUX_VIDEO,
197 				.gpio = NULL,
198 			}, {
199 				.type = CX231XX_VMUX_COMPOSITE1,
200 				.vmux = CX231XX_VIN_2_1,
201 				.amux = CX231XX_AMUX_LINE_IN,
202 				.gpio = NULL,
203 			}, {
204 				.type = CX231XX_VMUX_SVIDEO,
205 				.vmux = CX231XX_VIN_1_1 |
206 					(CX231XX_VIN_1_2 << 8) |
207 					CX25840_SVIDEO_ON,
208 				.amux = CX231XX_AMUX_LINE_IN,
209 				.gpio = NULL,
210 			}
211 		},
212 	},
213 
214 	[CX231XX_BOARD_CNXT_RDU_253S] = {
215 		.name = "Conexant Hybrid TV - RDU253S",
216 		.tuner_type = TUNER_NXP_TDA18271,
217 		.tuner_addr = 0x60,
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,
230 		.has_dvb = 1,
231 		.demod_addr = 0x02,
232 		.norm = V4L2_STD_PAL,
233 
234 		.input = {{
235 				.type = CX231XX_VMUX_TELEVISION,
236 				.vmux = CX231XX_VIN_3_1,
237 				.amux = CX231XX_AMUX_VIDEO,
238 				.gpio = NULL,
239 			}, {
240 				.type = CX231XX_VMUX_COMPOSITE1,
241 				.vmux = CX231XX_VIN_2_1,
242 				.amux = CX231XX_AMUX_LINE_IN,
243 				.gpio = NULL,
244 			}, {
245 				.type = CX231XX_VMUX_SVIDEO,
246 				.vmux = CX231XX_VIN_1_1 |
247 					(CX231XX_VIN_1_2 << 8) |
248 					CX25840_SVIDEO_ON,
249 				.amux = CX231XX_AMUX_LINE_IN,
250 				.gpio = NULL,
251 			}
252 		},
253 	},
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,
263 		.no_alt_vanc = 1,
264 		.external_av = 1,
265 		.dont_use_port_3 = 1,
266 		/* Actually, it has a 417, but it isn't working correctly.
267 		 * So set to 0 for now until someone can manage to get this
268 		 * to work reliably. */
269 		.has_417 = 0,
270 
271 		.input = {{
272 				.type = CX231XX_VMUX_COMPOSITE1,
273 				.vmux = CX231XX_VIN_2_1,
274 				.amux = CX231XX_AMUX_LINE_IN,
275 				.gpio = NULL,
276 			}, {
277 				.type = CX231XX_VMUX_SVIDEO,
278 				.vmux = CX231XX_VIN_1_1 |
279 					(CX231XX_VIN_1_2 << 8) |
280 					CX25840_SVIDEO_ON,
281 				.amux = CX231XX_AMUX_LINE_IN,
282 				.gpio = NULL,
283 			}
284 		},
285 	},
286 	[CX231XX_BOARD_CNXT_RDE_250] = {
287 		.name = "Conexant Hybrid TV - rde 250",
288 		.tuner_type = TUNER_XC5000,
289 		.tuner_addr = 0x61,
290 		.tuner_gpio = RDE250_XCV_TUNER,
291 		.tuner_sif_gpio = 0x05,
292 		.tuner_scl_gpio = 0x1a,
293 		.tuner_sda_gpio = 0x1b,
294 		.decoder = CX231XX_AVDECODER,
295 		.output_mode = OUT_MODE_VIP11,
296 		.demod_xfer_mode = 0,
297 		.ctl_pin_status_mask = 0xFFFFFFC4,
298 		.agc_analog_digital_select_gpio = 0x0c,
299 		.gpio_pin_status_mask = 0x4001000,
300 		.tuner_i2c_master = 1,
301 		.demod_i2c_master = 2,
302 		.has_dvb = 1,
303 		.demod_addr = 0x02,
304 		.norm = V4L2_STD_PAL,
305 
306 		.input = {{
307 				.type = CX231XX_VMUX_TELEVISION,
308 				.vmux = CX231XX_VIN_2_1,
309 				.amux = CX231XX_AMUX_VIDEO,
310 				.gpio = NULL,
311 			}
312 		},
313 	},
314 	[CX231XX_BOARD_CNXT_RDU_250] = {
315 		.name = "Conexant Hybrid TV - RDU 250",
316 		.tuner_type = TUNER_XC5000,
317 		.tuner_addr = 0x61,
318 		.tuner_gpio = RDE250_XCV_TUNER,
319 		.tuner_sif_gpio = 0x05,
320 		.tuner_scl_gpio = 0x1a,
321 		.tuner_sda_gpio = 0x1b,
322 		.decoder = CX231XX_AVDECODER,
323 		.output_mode = OUT_MODE_VIP11,
324 		.demod_xfer_mode = 0,
325 		.ctl_pin_status_mask = 0xFFFFFFC4,
326 		.agc_analog_digital_select_gpio = 0x0c,
327 		.gpio_pin_status_mask = 0x4001000,
328 		.tuner_i2c_master = 1,
329 		.demod_i2c_master = 2,
330 		.has_dvb = 1,
331 		.demod_addr = 0x32,
332 		.norm = V4L2_STD_NTSC,
333 
334 		.input = {{
335 				.type = CX231XX_VMUX_TELEVISION,
336 				.vmux = CX231XX_VIN_2_1,
337 				.amux = CX231XX_AMUX_VIDEO,
338 				.gpio = NULL,
339 			}
340 		},
341 	},
342 	[CX231XX_BOARD_HAUPPAUGE_EXETER] = {
343 		.name = "Hauppauge EXETER",
344 		.tuner_type = TUNER_NXP_TDA18271,
345 		.tuner_addr = 0x60,
346 		.tuner_gpio = RDE250_XCV_TUNER,
347 		.tuner_sif_gpio = 0x05,
348 		.tuner_scl_gpio = 0x1a,
349 		.tuner_sda_gpio = 0x1b,
350 		.decoder = CX231XX_AVDECODER,
351 		.output_mode = OUT_MODE_VIP11,
352 		.demod_xfer_mode = 0,
353 		.ctl_pin_status_mask = 0xFFFFFFC4,
354 		.agc_analog_digital_select_gpio = 0x0c,
355 		.gpio_pin_status_mask = 0x4001000,
356 		.tuner_i2c_master = 1,
357 		.demod_i2c_master = 2,
358 		.has_dvb = 1,
359 		.demod_addr = 0x0e,
360 		.norm = V4L2_STD_NTSC,
361 
362 		.input = {{
363 			.type = CX231XX_VMUX_TELEVISION,
364 			.vmux = CX231XX_VIN_3_1,
365 			.amux = CX231XX_AMUX_VIDEO,
366 			.gpio = NULL,
367 		}, {
368 			.type = CX231XX_VMUX_COMPOSITE1,
369 			.vmux = CX231XX_VIN_2_1,
370 			.amux = CX231XX_AMUX_LINE_IN,
371 			.gpio = NULL,
372 		}, {
373 			.type = CX231XX_VMUX_SVIDEO,
374 			.vmux = CX231XX_VIN_1_1 |
375 				(CX231XX_VIN_1_2 << 8) |
376 				CX25840_SVIDEO_ON,
377 			.amux = CX231XX_AMUX_LINE_IN,
378 			.gpio = NULL,
379 		} },
380 	},
381 	[CX231XX_BOARD_HAUPPAUGE_USBLIVE2] = {
382 		.name = "Hauppauge USB Live 2",
383 		.tuner_type = TUNER_ABSENT,
384 		.decoder = CX231XX_AVDECODER,
385 		.output_mode = OUT_MODE_VIP11,
386 		.demod_xfer_mode = 0,
387 		.ctl_pin_status_mask = 0xFFFFFFC4,
388 		.agc_analog_digital_select_gpio = 0x0c,
389 		.gpio_pin_status_mask = 0x4001000,
390 		.norm = V4L2_STD_NTSC,
391 		.no_alt_vanc = 1,
392 		.external_av = 1,
393 		.dont_use_port_3 = 1,
394 		.input = {{
395 			.type = CX231XX_VMUX_COMPOSITE1,
396 			.vmux = CX231XX_VIN_2_1,
397 			.amux = CX231XX_AMUX_LINE_IN,
398 			.gpio = NULL,
399 		}, {
400 			.type = CX231XX_VMUX_SVIDEO,
401 			.vmux = CX231XX_VIN_1_1 |
402 				(CX231XX_VIN_1_2 << 8) |
403 				CX25840_SVIDEO_ON,
404 			.amux = CX231XX_AMUX_LINE_IN,
405 			.gpio = NULL,
406 		} },
407 	},
408 	[CX231XX_BOARD_KWORLD_UB430_USB_HYBRID] = {
409 		.name = "Kworld UB430 USB Hybrid",
410 		.tuner_type = TUNER_NXP_TDA18271,
411 		.tuner_addr = 0x60,
412 		.decoder = CX231XX_AVDECODER,
413 		.output_mode = OUT_MODE_VIP11,
414 		.demod_xfer_mode = 0,
415 		.ctl_pin_status_mask = 0xFFFFFFC4,
416 		.agc_analog_digital_select_gpio = 0x11,	/* According with PV cxPolaris.inf file */
417 		.tuner_sif_gpio = -1,
418 		.tuner_scl_gpio = -1,
419 		.tuner_sda_gpio = -1,
420 		.gpio_pin_status_mask = 0x4001000,
421 		.tuner_i2c_master = 2,
422 		.demod_i2c_master = 1,
423 		.ir_i2c_master = 2,
424 		.has_dvb = 1,
425 		.demod_addr = 0x10,
426 		.norm = V4L2_STD_PAL_M,
427 		.input = {{
428 			.type = CX231XX_VMUX_TELEVISION,
429 			.vmux = CX231XX_VIN_3_1,
430 			.amux = CX231XX_AMUX_VIDEO,
431 			.gpio = NULL,
432 		}, {
433 			.type = CX231XX_VMUX_COMPOSITE1,
434 			.vmux = CX231XX_VIN_2_1,
435 			.amux = CX231XX_AMUX_LINE_IN,
436 			.gpio = NULL,
437 		}, {
438 			.type = CX231XX_VMUX_SVIDEO,
439 			.vmux = CX231XX_VIN_1_1 |
440 				(CX231XX_VIN_1_2 << 8) |
441 				CX25840_SVIDEO_ON,
442 			.amux = CX231XX_AMUX_LINE_IN,
443 			.gpio = NULL,
444 		} },
445 	},
446 	[CX231XX_BOARD_KWORLD_UB445_USB_HYBRID] = {
447 		.name = "Kworld UB445 USB Hybrid",
448 		.tuner_type = TUNER_NXP_TDA18271,
449 		.tuner_addr = 0x60,
450 		.decoder = CX231XX_AVDECODER,
451 		.output_mode = OUT_MODE_VIP11,
452 		.demod_xfer_mode = 0,
453 		.ctl_pin_status_mask = 0xFFFFFFC4,
454 		.agc_analog_digital_select_gpio = 0x11,	/* According with PV cxPolaris.inf file */
455 		.tuner_sif_gpio = -1,
456 		.tuner_scl_gpio = -1,
457 		.tuner_sda_gpio = -1,
458 		.gpio_pin_status_mask = 0x4001000,
459 		.tuner_i2c_master = 2,
460 		.demod_i2c_master = 1,
461 		.ir_i2c_master = 2,
462 		.has_dvb = 1,
463 		.demod_addr = 0x10,
464 		.norm = V4L2_STD_NTSC_M,
465 		.input = {{
466 			.type = CX231XX_VMUX_TELEVISION,
467 			.vmux = CX231XX_VIN_3_1,
468 			.amux = CX231XX_AMUX_VIDEO,
469 			.gpio = NULL,
470 		}, {
471 			.type = CX231XX_VMUX_COMPOSITE1,
472 			.vmux = CX231XX_VIN_2_1,
473 			.amux = CX231XX_AMUX_LINE_IN,
474 			.gpio = NULL,
475 		}, {
476 			.type = CX231XX_VMUX_SVIDEO,
477 			.vmux = CX231XX_VIN_1_1 |
478 				(CX231XX_VIN_1_2 << 8) |
479 				CX25840_SVIDEO_ON,
480 			.amux = CX231XX_AMUX_LINE_IN,
481 			.gpio = NULL,
482 		} },
483 	},
484 	[CX231XX_BOARD_PV_PLAYTV_USB_HYBRID] = {
485 		.name = "Pixelview PlayTV USB Hybrid",
486 		.tuner_type = TUNER_NXP_TDA18271,
487 		.tuner_addr = 0x60,
488 		.decoder = CX231XX_AVDECODER,
489 		.output_mode = OUT_MODE_VIP11,
490 		.demod_xfer_mode = 0,
491 		.ctl_pin_status_mask = 0xFFFFFFC4,
492 		.agc_analog_digital_select_gpio = 0x00,	/* According with PV cxPolaris.inf file */
493 		.tuner_sif_gpio = -1,
494 		.tuner_scl_gpio = -1,
495 		.tuner_sda_gpio = -1,
496 		.gpio_pin_status_mask = 0x4001000,
497 		.tuner_i2c_master = 2,
498 		.demod_i2c_master = 1,
499 		.ir_i2c_master = 2,
500 		.rc_map_name = RC_MAP_PIXELVIEW_002T,
501 		.has_dvb = 1,
502 		.demod_addr = 0x10,
503 		.norm = V4L2_STD_PAL_M,
504 		.input = {{
505 			.type = CX231XX_VMUX_TELEVISION,
506 			.vmux = CX231XX_VIN_3_1,
507 			.amux = CX231XX_AMUX_VIDEO,
508 			.gpio = NULL,
509 		}, {
510 			.type = CX231XX_VMUX_COMPOSITE1,
511 			.vmux = CX231XX_VIN_2_1,
512 			.amux = CX231XX_AMUX_LINE_IN,
513 			.gpio = NULL,
514 		}, {
515 			.type = CX231XX_VMUX_SVIDEO,
516 			.vmux = CX231XX_VIN_1_1 |
517 				(CX231XX_VIN_1_2 << 8) |
518 				CX25840_SVIDEO_ON,
519 			.amux = CX231XX_AMUX_LINE_IN,
520 			.gpio = NULL,
521 		} },
522 	},
523 	[CX231XX_BOARD_PV_XCAPTURE_USB] = {
524 		.name = "Pixelview Xcapture USB",
525 		.tuner_type = TUNER_ABSENT,
526 		.decoder = CX231XX_AVDECODER,
527 		.output_mode = OUT_MODE_VIP11,
528 		.demod_xfer_mode = 0,
529 		.ctl_pin_status_mask = 0xFFFFFFC4,
530 		.agc_analog_digital_select_gpio = 0x0c,
531 		.gpio_pin_status_mask = 0x4001000,
532 		.norm = V4L2_STD_NTSC,
533 		.no_alt_vanc = 1,
534 		.external_av = 1,
535 		.dont_use_port_3 = 1,
536 
537 		.input = {{
538 				.type = CX231XX_VMUX_COMPOSITE1,
539 				.vmux = CX231XX_VIN_2_1,
540 				.amux = CX231XX_AMUX_LINE_IN,
541 				.gpio = NULL,
542 			}, {
543 				.type = CX231XX_VMUX_SVIDEO,
544 				.vmux = CX231XX_VIN_1_1 |
545 					(CX231XX_VIN_1_2 << 8) |
546 					CX25840_SVIDEO_ON,
547 				.amux = CX231XX_AMUX_LINE_IN,
548 				.gpio = NULL,
549 			}
550 		},
551 	},
552 
553 	[CX231XX_BOARD_ICONBIT_U100] = {
554 		.name = "Iconbit Analog Stick U100 FM",
555 		.tuner_type = TUNER_ABSENT,
556 		.decoder = CX231XX_AVDECODER,
557 		.output_mode = OUT_MODE_VIP11,
558 		.demod_xfer_mode = 0,
559 		.ctl_pin_status_mask = 0xFFFFFFC4,
560 		.agc_analog_digital_select_gpio = 0x1C,
561 		.gpio_pin_status_mask = 0x4001000,
562 
563 		.input = {{
564 			.type = CX231XX_VMUX_COMPOSITE1,
565 			.vmux = CX231XX_VIN_2_1,
566 			.amux = CX231XX_AMUX_LINE_IN,
567 			.gpio = NULL,
568 		}, {
569 			.type = CX231XX_VMUX_SVIDEO,
570 			.vmux = CX231XX_VIN_1_1 |
571 				(CX231XX_VIN_1_2 << 8) |
572 				CX25840_SVIDEO_ON,
573 			.amux = CX231XX_AMUX_LINE_IN,
574 			.gpio = NULL,
575 		} },
576 	},
577 	[CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL] = {
578 		.name = "Hauppauge WinTV USB2 FM (PAL)",
579 		.tuner_type = TUNER_NXP_TDA18271,
580 		.tuner_addr = 0x60,
581 		.tuner_gpio = RDE250_XCV_TUNER,
582 		.tuner_sif_gpio = 0x05,
583 		.tuner_scl_gpio = 0x1a,
584 		.tuner_sda_gpio = 0x1b,
585 		.decoder = CX231XX_AVDECODER,
586 		.output_mode = OUT_MODE_VIP11,
587 		.ctl_pin_status_mask = 0xFFFFFFC4,
588 		.agc_analog_digital_select_gpio = 0x0c,
589 		.gpio_pin_status_mask = 0x4001000,
590 		.tuner_i2c_master = 1,
591 		.norm = V4L2_STD_PAL,
592 
593 		.input = {{
594 			.type = CX231XX_VMUX_TELEVISION,
595 			.vmux = CX231XX_VIN_3_1,
596 			.amux = CX231XX_AMUX_VIDEO,
597 			.gpio = NULL,
598 		}, {
599 			.type = CX231XX_VMUX_COMPOSITE1,
600 			.vmux = CX231XX_VIN_2_1,
601 			.amux = CX231XX_AMUX_LINE_IN,
602 			.gpio = NULL,
603 		}, {
604 			.type = CX231XX_VMUX_SVIDEO,
605 			.vmux = CX231XX_VIN_1_1 |
606 				(CX231XX_VIN_1_2 << 8) |
607 				CX25840_SVIDEO_ON,
608 			.amux = CX231XX_AMUX_LINE_IN,
609 			.gpio = NULL,
610 		} },
611 	},
612 	[CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC] = {
613 		.name = "Hauppauge WinTV USB2 FM (NTSC)",
614 		.tuner_type = TUNER_NXP_TDA18271,
615 		.tuner_addr = 0x60,
616 		.tuner_gpio = RDE250_XCV_TUNER,
617 		.tuner_sif_gpio = 0x05,
618 		.tuner_scl_gpio = 0x1a,
619 		.tuner_sda_gpio = 0x1b,
620 		.decoder = CX231XX_AVDECODER,
621 		.output_mode = OUT_MODE_VIP11,
622 		.ctl_pin_status_mask = 0xFFFFFFC4,
623 		.agc_analog_digital_select_gpio = 0x0c,
624 		.gpio_pin_status_mask = 0x4001000,
625 		.tuner_i2c_master = 1,
626 		.norm = V4L2_STD_NTSC,
627 
628 		.input = {{
629 			.type = CX231XX_VMUX_TELEVISION,
630 			.vmux = CX231XX_VIN_3_1,
631 			.amux = CX231XX_AMUX_VIDEO,
632 			.gpio = NULL,
633 		}, {
634 			.type = CX231XX_VMUX_COMPOSITE1,
635 			.vmux = CX231XX_VIN_2_1,
636 			.amux = CX231XX_AMUX_LINE_IN,
637 			.gpio = NULL,
638 		}, {
639 			.type = CX231XX_VMUX_SVIDEO,
640 			.vmux = CX231XX_VIN_1_1 |
641 				(CX231XX_VIN_1_2 << 8) |
642 				CX25840_SVIDEO_ON,
643 			.amux = CX231XX_AMUX_LINE_IN,
644 			.gpio = NULL,
645 		} },
646 	},
647 	[CX231XX_BOARD_ELGATO_VIDEO_CAPTURE_V2] = {
648 		.name = "Elgato Video Capture V2",
649 		.tuner_type = TUNER_ABSENT,
650 		.decoder = CX231XX_AVDECODER,
651 		.output_mode = OUT_MODE_VIP11,
652 		.demod_xfer_mode = 0,
653 		.ctl_pin_status_mask = 0xFFFFFFC4,
654 		.agc_analog_digital_select_gpio = 0x0c,
655 		.gpio_pin_status_mask = 0x4001000,
656 		.norm = V4L2_STD_NTSC,
657 		.no_alt_vanc = 1,
658 		.external_av = 1,
659 		.dont_use_port_3 = 1,
660 		.input = {{
661 			.type = CX231XX_VMUX_COMPOSITE1,
662 			.vmux = CX231XX_VIN_2_1,
663 			.amux = CX231XX_AMUX_LINE_IN,
664 			.gpio = NULL,
665 		}, {
666 			.type = CX231XX_VMUX_SVIDEO,
667 			.vmux = CX231XX_VIN_1_1 |
668 				(CX231XX_VIN_1_2 << 8) |
669 				CX25840_SVIDEO_ON,
670 			.amux = CX231XX_AMUX_LINE_IN,
671 			.gpio = NULL,
672 		} },
673 	},
674 	[CX231XX_BOARD_OTG102] = {
675 		.name = "Geniatech OTG102",
676 		.tuner_type = TUNER_ABSENT,
677 		.decoder = CX231XX_AVDECODER,
678 		.output_mode = OUT_MODE_VIP11,
679 		.ctl_pin_status_mask = 0xFFFFFFC4,
680 		.agc_analog_digital_select_gpio = 0x0c,
681 			/* According with PV CxPlrCAP.inf file */
682 		.gpio_pin_status_mask = 0x4001000,
683 		.norm = V4L2_STD_NTSC,
684 		.no_alt_vanc = 1,
685 		.external_av = 1,
686 		.dont_use_port_3 = 1,
687 		/*.has_417 = 1, */
688 		/* This board is believed to have a hardware encoding chip
689 		 * supporting mpeg1/2/4, but as the 417 is apparently not
690 		 * working for the reference board it is not here either. */
691 
692 		.input = {{
693 				.type = CX231XX_VMUX_COMPOSITE1,
694 				.vmux = CX231XX_VIN_2_1,
695 				.amux = CX231XX_AMUX_LINE_IN,
696 				.gpio = NULL,
697 			}, {
698 				.type = CX231XX_VMUX_SVIDEO,
699 				.vmux = CX231XX_VIN_1_1 |
700 					(CX231XX_VIN_1_2 << 8) |
701 					CX25840_SVIDEO_ON,
702 				.amux = CX231XX_AMUX_LINE_IN,
703 				.gpio = NULL,
704 			}
705 		},
706 	},
707 };
708 const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
709 
710 /* table of devices that work with this driver */
711 struct usb_device_id cx231xx_id_table[] = {
712 	{USB_DEVICE(0x0572, 0x5A3C),
713 	 .driver_info = CX231XX_BOARD_UNKNOWN},
714 	{USB_DEVICE(0x0572, 0x58A2),
715 	 .driver_info = CX231XX_BOARD_CNXT_CARRAERA},
716 	{USB_DEVICE(0x0572, 0x58A1),
717 	 .driver_info = CX231XX_BOARD_CNXT_SHELBY},
718 	{USB_DEVICE(0x0572, 0x58A4),
719 	 .driver_info = CX231XX_BOARD_CNXT_RDE_253S},
720 	{USB_DEVICE(0x0572, 0x58A5),
721 	 .driver_info = CX231XX_BOARD_CNXT_RDU_253S},
722 	{USB_DEVICE(0x0572, 0x58A6),
723 	 .driver_info = CX231XX_BOARD_CNXT_VIDEO_GRABBER},
724 	{USB_DEVICE(0x0572, 0x589E),
725 	 .driver_info = CX231XX_BOARD_CNXT_RDE_250},
726 	{USB_DEVICE(0x0572, 0x58A0),
727 	 .driver_info = CX231XX_BOARD_CNXT_RDU_250},
728 	{USB_DEVICE(0x2040, 0xb110),
729 	 .driver_info = CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL},
730 	{USB_DEVICE(0x2040, 0xb111),
731 	 .driver_info = CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC},
732 	{USB_DEVICE(0x2040, 0xb120),
733 	 .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
734 	{USB_DEVICE(0x2040, 0xb140),
735 	 .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
736 	{USB_DEVICE(0x2040, 0xc200),
737 	 .driver_info = CX231XX_BOARD_HAUPPAUGE_USBLIVE2},
738 	{USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000, 0x4001),
739 	 .driver_info = CX231XX_BOARD_PV_PLAYTV_USB_HYBRID},
740 	{USB_DEVICE(USB_VID_PIXELVIEW, 0x5014),
741 	 .driver_info = CX231XX_BOARD_PV_XCAPTURE_USB},
742 	{USB_DEVICE(0x1b80, 0xe424),
743 	 .driver_info = CX231XX_BOARD_KWORLD_UB430_USB_HYBRID},
744 	{USB_DEVICE(0x1b80, 0xe421),
745 	 .driver_info = CX231XX_BOARD_KWORLD_UB445_USB_HYBRID},
746 	{USB_DEVICE(0x1f4d, 0x0237),
747 	 .driver_info = CX231XX_BOARD_ICONBIT_U100},
748 	{USB_DEVICE(0x0fd9, 0x0037),
749 	 .driver_info = CX231XX_BOARD_ELGATO_VIDEO_CAPTURE_V2},
750 	{USB_DEVICE(0x1f4d, 0x0102),
751 	 .driver_info = CX231XX_BOARD_OTG102},
752 	{},
753 };
754 
755 MODULE_DEVICE_TABLE(usb, cx231xx_id_table);
756 
757 /* cx231xx_tuner_callback
758  * will be used to reset XC5000 tuner using GPIO pin
759  */
760 
761 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg)
762 {
763 	int rc = 0;
764 	struct cx231xx *dev = ptr;
765 
766 	if (dev->tuner_type == TUNER_XC5000) {
767 		if (command == XC5000_TUNER_RESET) {
768 			cx231xx_info
769 				("Tuner CB: RESET: cmd %d : tuner type %d \n",
770 				 command, dev->tuner_type);
771 			cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
772 					       1);
773 			msleep(10);
774 			cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
775 					       0);
776 			msleep(330);
777 			cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
778 					       1);
779 			msleep(10);
780 		}
781 	} else if (dev->tuner_type == TUNER_NXP_TDA18271) {
782 		switch (command) {
783 		case TDA18271_CALLBACK_CMD_AGC_ENABLE:
784 			if (dev->model == CX231XX_BOARD_PV_PLAYTV_USB_HYBRID)
785 				rc = cx231xx_set_agc_analog_digital_mux_select(dev, arg);
786 			break;
787 		default:
788 			rc = -EINVAL;
789 			break;
790 		}
791 	}
792 	return rc;
793 }
794 EXPORT_SYMBOL_GPL(cx231xx_tuner_callback);
795 
796 static void cx231xx_reset_out(struct cx231xx *dev)
797 {
798 	cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
799 	msleep(200);
800 	cx231xx_set_gpio_value(dev, CX23417_RESET, 0);
801 	msleep(200);
802 	cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
803 }
804 
805 static void cx231xx_enable_OSC(struct cx231xx *dev)
806 {
807 	cx231xx_set_gpio_value(dev, CX23417_OSC_EN, 1);
808 }
809 
810 static void cx231xx_sleep_s5h1432(struct cx231xx *dev)
811 {
812 	cx231xx_set_gpio_value(dev, SLEEP_S5H1432, 0);
813 }
814 
815 static inline void cx231xx_set_model(struct cx231xx *dev)
816 {
817 	dev->board = cx231xx_boards[dev->model];
818 }
819 
820 /* Since cx231xx_pre_card_setup() requires a proper dev->model,
821  * this won't work for boards with generic PCI IDs
822  */
823 void cx231xx_pre_card_setup(struct cx231xx *dev)
824 {
825 
826 	cx231xx_set_model(dev);
827 
828 	cx231xx_info("Identified as %s (card=%d)\n",
829 		     dev->board.name, dev->model);
830 
831 	/* set the direction for GPIO pins */
832 	if (dev->board.tuner_gpio) {
833 		cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
834 		cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
835 	}
836 	if (dev->board.tuner_sif_gpio >= 0)
837 		cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
838 
839 	/* request some modules if any required */
840 
841 	/* set the mode to Analog mode initially */
842 	cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
843 
844 	/* Unlock device */
845 	/* cx231xx_set_mode(dev, CX231XX_SUSPEND); */
846 
847 }
848 
849 static void cx231xx_config_tuner(struct cx231xx *dev)
850 {
851 	struct tuner_setup tun_setup;
852 	struct v4l2_frequency f;
853 
854 	if (dev->tuner_type == TUNER_ABSENT)
855 		return;
856 
857 	tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
858 	tun_setup.type = dev->tuner_type;
859 	tun_setup.addr = dev->tuner_addr;
860 	tun_setup.tuner_callback = cx231xx_tuner_callback;
861 
862 	tuner_call(dev, tuner, s_type_addr, &tun_setup);
863 
864 #if 0
865 	if (tun_setup.type == TUNER_XC5000) {
866 		static struct xc2028_ctrl ctrl = {
867 			.fname = XC5000_DEFAULT_FIRMWARE,
868 			.max_len = 64,
869 			.demod = 0;
870 		};
871 		struct v4l2_priv_tun_config cfg = {
872 			.tuner = dev->tuner_type,
873 			.priv = &ctrl,
874 		};
875 		tuner_call(dev, tuner, s_config, &cfg);
876 	}
877 #endif
878 	/* configure tuner */
879 	f.tuner = 0;
880 	f.type = V4L2_TUNER_ANALOG_TV;
881 	f.frequency = 9076;	/* just a magic number */
882 	dev->ctl_freq = f.frequency;
883 	call_all(dev, tuner, s_frequency, &f);
884 
885 }
886 
887 void cx231xx_card_setup(struct cx231xx *dev)
888 {
889 
890 	cx231xx_set_model(dev);
891 
892 	dev->tuner_type = cx231xx_boards[dev->model].tuner_type;
893 	if (cx231xx_boards[dev->model].tuner_addr)
894 		dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr;
895 
896 	/* request some modules */
897 	if (dev->board.decoder == CX231XX_AVDECODER) {
898 		dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
899 					&dev->i2c_bus[0].i2c_adap,
900 					"cx25840", 0x88 >> 1, NULL);
901 		if (dev->sd_cx25840 == NULL)
902 			cx231xx_info("cx25840 subdev registration failure\n");
903 		cx25840_call(dev, core, load_fw);
904 
905 	}
906 
907 	/* Initialize the tuner */
908 	if (dev->board.tuner_type != TUNER_ABSENT) {
909 		dev->sd_tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev,
910 						    &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
911 						    "tuner",
912 						    dev->tuner_addr, NULL);
913 		if (dev->sd_tuner == NULL)
914 			cx231xx_info("tuner subdev registration failure\n");
915 		else
916 			cx231xx_config_tuner(dev);
917 	}
918 }
919 
920 /*
921  * cx231xx_config()
922  * inits registers with sane defaults
923  */
924 int cx231xx_config(struct cx231xx *dev)
925 {
926 	/* TBD need to add cx231xx specific code */
927 
928 	return 0;
929 }
930 
931 /*
932  * cx231xx_config_i2c()
933  * configure i2c attached devices
934  */
935 void cx231xx_config_i2c(struct cx231xx *dev)
936 {
937 	/* u32 input = INPUT(dev->video_input)->vmux; */
938 
939 	call_all(dev, video, s_stream, 1);
940 }
941 
942 /*
943  * cx231xx_realease_resources()
944  * unregisters the v4l2,i2c and usb devices
945  * called when the device gets disconected or at module unload
946 */
947 void cx231xx_release_resources(struct cx231xx *dev)
948 {
949 	cx231xx_release_analog_resources(dev);
950 
951 	cx231xx_remove_from_devlist(dev);
952 
953 	cx231xx_ir_exit(dev);
954 
955 	/* Release I2C buses */
956 	cx231xx_dev_uninit(dev);
957 
958 	/* delete v4l2 device */
959 	v4l2_device_unregister(&dev->v4l2_dev);
960 
961 	usb_put_dev(dev->udev);
962 
963 	/* Mark device as unused */
964 	clear_bit(dev->devno, &cx231xx_devused);
965 
966 	kfree(dev->video_mode.alt_max_pkt_size);
967 	kfree(dev->vbi_mode.alt_max_pkt_size);
968 	kfree(dev->sliced_cc_mode.alt_max_pkt_size);
969 	kfree(dev->ts1_mode.alt_max_pkt_size);
970 	kfree(dev);
971 }
972 
973 /*
974  * cx231xx_init_dev()
975  * allocates and inits the device structs, registers i2c bus and v4l device
976  */
977 static int cx231xx_init_dev(struct cx231xx *dev, struct usb_device *udev,
978 			    int minor)
979 {
980 	int retval = -ENOMEM;
981 	unsigned int maxh, maxw;
982 
983 	dev->udev = udev;
984 	mutex_init(&dev->lock);
985 	mutex_init(&dev->ctrl_urb_lock);
986 	mutex_init(&dev->gpio_i2c_lock);
987 	mutex_init(&dev->i2c_lock);
988 
989 	spin_lock_init(&dev->video_mode.slock);
990 	spin_lock_init(&dev->vbi_mode.slock);
991 	spin_lock_init(&dev->sliced_cc_mode.slock);
992 
993 	init_waitqueue_head(&dev->open);
994 	init_waitqueue_head(&dev->wait_frame);
995 	init_waitqueue_head(&dev->wait_stream);
996 
997 	dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg;
998 	dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg;
999 	dev->cx231xx_send_usb_command = cx231xx_send_usb_command;
1000 	dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read;
1001 	dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write;
1002 
1003 	/* Query cx231xx to find what pcb config it is related to */
1004 	initialize_cx231xx(dev);
1005 
1006 	/*To workaround error number=-71 on EP0 for VideoGrabber,
1007 		 need set alt here.*/
1008 	if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER ||
1009 	    dev->model == CX231XX_BOARD_HAUPPAUGE_USBLIVE2) {
1010 		cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
1011 		cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
1012 	}
1013 	/* Cx231xx pre card setup */
1014 	cx231xx_pre_card_setup(dev);
1015 
1016 	retval = cx231xx_config(dev);
1017 	if (retval) {
1018 		cx231xx_errdev("error configuring device\n");
1019 		return -ENOMEM;
1020 	}
1021 
1022 	/* set default norm */
1023 	dev->norm = dev->board.norm;
1024 
1025 	/* register i2c bus */
1026 	retval = cx231xx_dev_init(dev);
1027 	if (retval) {
1028 		cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n",
1029 			       __func__, retval);
1030 		goto err_dev_init;
1031 	}
1032 
1033 	/* Do board specific init */
1034 	cx231xx_card_setup(dev);
1035 
1036 	/* configure the device */
1037 	cx231xx_config_i2c(dev);
1038 
1039 	maxw = norm_maxw(dev);
1040 	maxh = norm_maxh(dev);
1041 
1042 	/* set default image size */
1043 	dev->width = maxw;
1044 	dev->height = maxh;
1045 	dev->interlaced = 0;
1046 	dev->video_input = 0;
1047 
1048 	retval = cx231xx_config(dev);
1049 	if (retval) {
1050 		cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n",
1051 			       __func__, retval);
1052 		goto err_dev_init;
1053 	}
1054 
1055 	/* init video dma queues */
1056 	INIT_LIST_HEAD(&dev->video_mode.vidq.active);
1057 	INIT_LIST_HEAD(&dev->video_mode.vidq.queued);
1058 
1059 	/* init vbi dma queues */
1060 	INIT_LIST_HEAD(&dev->vbi_mode.vidq.active);
1061 	INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued);
1062 
1063 	/* Reset other chips required if they are tied up with GPIO pins */
1064 	cx231xx_add_into_devlist(dev);
1065 
1066 	if (dev->board.has_417) {
1067 		printk(KERN_INFO "attach 417 %d\n", dev->model);
1068 		if (cx231xx_417_register(dev) < 0) {
1069 			printk(KERN_ERR
1070 				"%s() Failed to register 417 on VID_B\n",
1071 			       __func__);
1072 		}
1073 	}
1074 
1075 	retval = cx231xx_register_analog_devices(dev);
1076 	if (retval) {
1077 		cx231xx_release_analog_resources(dev);
1078 		goto err_analog;
1079 	}
1080 
1081 	cx231xx_ir_init(dev);
1082 
1083 	cx231xx_init_extension(dev);
1084 
1085 	return 0;
1086 err_analog:
1087 	cx231xx_remove_from_devlist(dev);
1088 err_dev_init:
1089 	cx231xx_dev_uninit(dev);
1090 	return retval;
1091 }
1092 
1093 #if defined(CONFIG_MODULES) && defined(MODULE)
1094 static void request_module_async(struct work_struct *work)
1095 {
1096 	struct cx231xx *dev = container_of(work,
1097 					   struct cx231xx, request_module_wk);
1098 
1099 	if (dev->has_alsa_audio)
1100 		request_module("cx231xx-alsa");
1101 
1102 	if (dev->board.has_dvb)
1103 		request_module("cx231xx-dvb");
1104 
1105 }
1106 
1107 static void request_modules(struct cx231xx *dev)
1108 {
1109 	INIT_WORK(&dev->request_module_wk, request_module_async);
1110 	schedule_work(&dev->request_module_wk);
1111 }
1112 
1113 static void flush_request_modules(struct cx231xx *dev)
1114 {
1115 	flush_work(&dev->request_module_wk);
1116 }
1117 #else
1118 #define request_modules(dev)
1119 #define flush_request_modules(dev)
1120 #endif /* CONFIG_MODULES */
1121 
1122 /*
1123  * cx231xx_usb_probe()
1124  * checks for supported devices
1125  */
1126 static int cx231xx_usb_probe(struct usb_interface *interface,
1127 			     const struct usb_device_id *id)
1128 {
1129 	struct usb_device *udev;
1130 	struct usb_interface *uif;
1131 	struct cx231xx *dev = NULL;
1132 	int retval = -ENODEV;
1133 	int nr = 0, ifnum;
1134 	int i, isoc_pipe = 0;
1135 	char *speed;
1136 	struct usb_interface_assoc_descriptor *assoc_desc;
1137 
1138 	ifnum = interface->altsetting[0].desc.bInterfaceNumber;
1139 
1140 	/*
1141 	 * Interface number 0 - IR interface (handled by mceusb driver)
1142 	 * Interface number 1 - AV interface (handled by this driver)
1143 	 */
1144 	if (ifnum != 1)
1145 		return -ENODEV;
1146 
1147 	/* Check to see next free device and mark as used */
1148 	do {
1149 		nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS);
1150 		if (nr >= CX231XX_MAXBOARDS) {
1151 			/* No free device slots */
1152 			cx231xx_err(DRIVER_NAME ": Supports only %i devices.\n",
1153 					CX231XX_MAXBOARDS);
1154 			return -ENOMEM;
1155 		}
1156 	} while (test_and_set_bit(nr, &cx231xx_devused));
1157 
1158 	/* allocate memory for our device state and initialize it */
1159 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1160 	if (dev == NULL) {
1161 		cx231xx_err(DRIVER_NAME ": out of memory!\n");
1162 		clear_bit(nr, &cx231xx_devused);
1163 		return -ENOMEM;
1164 	}
1165 
1166 	udev = usb_get_dev(interface_to_usbdev(interface));
1167 
1168 	snprintf(dev->name, 29, "cx231xx #%d", nr);
1169 	dev->devno = nr;
1170 	dev->model = id->driver_info;
1171 	dev->video_mode.alt = -1;
1172 
1173 	dev->interface_count++;
1174 	/* reset gpio dir and value */
1175 	dev->gpio_dir = 0;
1176 	dev->gpio_val = 0;
1177 	dev->xc_fw_load_done = 0;
1178 	dev->has_alsa_audio = 1;
1179 	dev->power_mode = -1;
1180 	atomic_set(&dev->devlist_count, 0);
1181 
1182 	/* 0 - vbi ; 1 -sliced cc mode */
1183 	dev->vbi_or_sliced_cc_mode = 0;
1184 
1185 	/* get maximum no.of IAD interfaces */
1186 	assoc_desc = udev->actconfig->intf_assoc[0];
1187 	dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
1188 
1189 	/* init CIR module TBD */
1190 
1191 	/*mode_tv: digital=1 or analog=0*/
1192 	dev->mode_tv = 0;
1193 
1194 	dev->USE_ISO = transfer_mode;
1195 
1196 	switch (udev->speed) {
1197 	case USB_SPEED_LOW:
1198 		speed = "1.5";
1199 		break;
1200 	case USB_SPEED_UNKNOWN:
1201 	case USB_SPEED_FULL:
1202 		speed = "12";
1203 		break;
1204 	case USB_SPEED_HIGH:
1205 		speed = "480";
1206 		break;
1207 	default:
1208 		speed = "unknown";
1209 	}
1210 
1211 	cx231xx_info("New device %s %s @ %s Mbps "
1212 	     "(%04x:%04x) with %d interfaces\n",
1213 	     udev->manufacturer ? udev->manufacturer : "",
1214 	     udev->product ? udev->product : "",
1215 	     speed,
1216 	     le16_to_cpu(udev->descriptor.idVendor),
1217 	     le16_to_cpu(udev->descriptor.idProduct),
1218 	     dev->max_iad_interface_count);
1219 
1220 	/* increment interface count */
1221 	dev->interface_count++;
1222 
1223 	/* get device number */
1224 	nr = dev->devno;
1225 
1226 	assoc_desc = udev->actconfig->intf_assoc[0];
1227 	if (assoc_desc->bFirstInterface != ifnum) {
1228 		cx231xx_err(DRIVER_NAME ": Not found "
1229 			    "matching IAD interface\n");
1230 		retval = -ENODEV;
1231 		goto err_if;
1232 	}
1233 
1234 	cx231xx_info("registering interface %d\n", ifnum);
1235 
1236 	/* save our data pointer in this interface device */
1237 	usb_set_intfdata(interface, dev);
1238 
1239 	/*
1240 	 * AV device initialization - only done at the last interface
1241 	 */
1242 
1243 	/* Create v4l2 device */
1244 	retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
1245 	if (retval) {
1246 		cx231xx_errdev("v4l2_device_register failed\n");
1247 		retval = -EIO;
1248 		goto err_v4l2;
1249 	}
1250 	/* allocate device struct */
1251 	retval = cx231xx_init_dev(dev, udev, nr);
1252 	if (retval)
1253 		goto err_init;
1254 
1255 	/* compute alternate max packet sizes for video */
1256 	uif = udev->actconfig->interface[dev->current_pcb_config.
1257 		       hs_config_info[0].interface_info.video_index + 1];
1258 
1259 	dev->video_mode.end_point_addr = uif->altsetting[0].
1260 			endpoint[isoc_pipe].desc.bEndpointAddress;
1261 
1262 	dev->video_mode.num_alt = uif->num_altsetting;
1263 	cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1264 		     dev->video_mode.end_point_addr,
1265 		     dev->video_mode.num_alt);
1266 	dev->video_mode.alt_max_pkt_size =
1267 		kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
1268 
1269 	if (dev->video_mode.alt_max_pkt_size == NULL) {
1270 		cx231xx_errdev("out of memory!\n");
1271 		retval = -ENOMEM;
1272 		goto err_video_alt;
1273 	}
1274 
1275 	for (i = 0; i < dev->video_mode.num_alt; i++) {
1276 		u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1277 				desc.wMaxPacketSize);
1278 		dev->video_mode.alt_max_pkt_size[i] =
1279 		    (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1280 		cx231xx_info("Alternate setting %i, max size= %i\n", i,
1281 			     dev->video_mode.alt_max_pkt_size[i]);
1282 	}
1283 
1284 	/* compute alternate max packet sizes for vbi */
1285 	uif = udev->actconfig->interface[dev->current_pcb_config.
1286 				       hs_config_info[0].interface_info.
1287 				       vanc_index + 1];
1288 
1289 	dev->vbi_mode.end_point_addr =
1290 	    uif->altsetting[0].endpoint[isoc_pipe].desc.
1291 			bEndpointAddress;
1292 
1293 	dev->vbi_mode.num_alt = uif->num_altsetting;
1294 	cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1295 		     dev->vbi_mode.end_point_addr,
1296 		     dev->vbi_mode.num_alt);
1297 	dev->vbi_mode.alt_max_pkt_size =
1298 	    kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
1299 
1300 	if (dev->vbi_mode.alt_max_pkt_size == NULL) {
1301 		cx231xx_errdev("out of memory!\n");
1302 		retval = -ENOMEM;
1303 		goto err_vbi_alt;
1304 	}
1305 
1306 	for (i = 0; i < dev->vbi_mode.num_alt; i++) {
1307 		u16 tmp =
1308 		    le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1309 				desc.wMaxPacketSize);
1310 		dev->vbi_mode.alt_max_pkt_size[i] =
1311 		    (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1312 		cx231xx_info("Alternate setting %i, max size= %i\n", i,
1313 			     dev->vbi_mode.alt_max_pkt_size[i]);
1314 	}
1315 
1316 	/* compute alternate max packet sizes for sliced CC */
1317 	uif = udev->actconfig->interface[dev->current_pcb_config.
1318 				       hs_config_info[0].interface_info.
1319 				       hanc_index + 1];
1320 
1321 	dev->sliced_cc_mode.end_point_addr =
1322 	    uif->altsetting[0].endpoint[isoc_pipe].desc.
1323 			bEndpointAddress;
1324 
1325 	dev->sliced_cc_mode.num_alt = uif->num_altsetting;
1326 	cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1327 		     dev->sliced_cc_mode.end_point_addr,
1328 		     dev->sliced_cc_mode.num_alt);
1329 	dev->sliced_cc_mode.alt_max_pkt_size =
1330 		kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
1331 
1332 	if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
1333 		cx231xx_errdev("out of memory!\n");
1334 		retval = -ENOMEM;
1335 		goto err_sliced_cc_alt;
1336 	}
1337 
1338 	for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
1339 		u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1340 				desc.wMaxPacketSize);
1341 		dev->sliced_cc_mode.alt_max_pkt_size[i] =
1342 		    (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1343 		cx231xx_info("Alternate setting %i, max size= %i\n", i,
1344 			     dev->sliced_cc_mode.alt_max_pkt_size[i]);
1345 	}
1346 
1347 	if (dev->current_pcb_config.ts1_source != 0xff) {
1348 		/* compute alternate max packet sizes for TS1 */
1349 		uif = udev->actconfig->interface[dev->current_pcb_config.
1350 					       hs_config_info[0].
1351 					       interface_info.
1352 					       ts1_index + 1];
1353 
1354 		dev->ts1_mode.end_point_addr =
1355 		    uif->altsetting[0].endpoint[isoc_pipe].
1356 				desc.bEndpointAddress;
1357 
1358 		dev->ts1_mode.num_alt = uif->num_altsetting;
1359 		cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1360 			     dev->ts1_mode.end_point_addr,
1361 			     dev->ts1_mode.num_alt);
1362 		dev->ts1_mode.alt_max_pkt_size =
1363 			kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
1364 
1365 		if (dev->ts1_mode.alt_max_pkt_size == NULL) {
1366 			cx231xx_errdev("out of memory!\n");
1367 			retval = -ENOMEM;
1368 			goto err_ts1_alt;
1369 		}
1370 
1371 		for (i = 0; i < dev->ts1_mode.num_alt; i++) {
1372 			u16 tmp = le16_to_cpu(uif->altsetting[i].
1373 						endpoint[isoc_pipe].desc.
1374 						wMaxPacketSize);
1375 			dev->ts1_mode.alt_max_pkt_size[i] =
1376 			    (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1377 			cx231xx_info("Alternate setting %i, max size= %i\n", i,
1378 				     dev->ts1_mode.alt_max_pkt_size[i]);
1379 		}
1380 	}
1381 
1382 	if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
1383 		cx231xx_enable_OSC(dev);
1384 		cx231xx_reset_out(dev);
1385 		cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
1386 	}
1387 
1388 	if (dev->model == CX231XX_BOARD_CNXT_RDE_253S)
1389 		cx231xx_sleep_s5h1432(dev);
1390 
1391 	/* load other modules required */
1392 	request_modules(dev);
1393 
1394 	return 0;
1395 err_ts1_alt:
1396 	kfree(dev->sliced_cc_mode.alt_max_pkt_size);
1397 err_sliced_cc_alt:
1398 	kfree(dev->vbi_mode.alt_max_pkt_size);
1399 err_vbi_alt:
1400 	kfree(dev->video_mode.alt_max_pkt_size);
1401 err_video_alt:
1402 	/* cx231xx_uninit_dev: */
1403 	cx231xx_close_extension(dev);
1404 	cx231xx_ir_exit(dev);
1405 	cx231xx_release_analog_resources(dev);
1406 	cx231xx_417_unregister(dev);
1407 	cx231xx_remove_from_devlist(dev);
1408 	cx231xx_dev_uninit(dev);
1409 err_init:
1410 	v4l2_device_unregister(&dev->v4l2_dev);
1411 err_v4l2:
1412 	usb_set_intfdata(interface, NULL);
1413 err_if:
1414 	usb_put_dev(udev);
1415 	clear_bit(dev->devno, &cx231xx_devused);
1416 	kfree(dev);
1417 	return retval;
1418 }
1419 
1420 /*
1421  * cx231xx_usb_disconnect()
1422  * called when the device gets diconencted
1423  * video device will be unregistered on v4l2_close in case it is still open
1424  */
1425 static void cx231xx_usb_disconnect(struct usb_interface *interface)
1426 {
1427 	struct cx231xx *dev;
1428 
1429 	dev = usb_get_intfdata(interface);
1430 	usb_set_intfdata(interface, NULL);
1431 
1432 	if (!dev)
1433 		return;
1434 
1435 	if (!dev->udev)
1436 		return;
1437 
1438 	dev->state |= DEV_DISCONNECTED;
1439 
1440 	flush_request_modules(dev);
1441 
1442 	/* wait until all current v4l2 io is finished then deallocate
1443 	   resources */
1444 	mutex_lock(&dev->lock);
1445 
1446 	wake_up_interruptible_all(&dev->open);
1447 
1448 	if (dev->users) {
1449 		cx231xx_warn
1450 		    ("device %s is open! Deregistration and memory "
1451 		     "deallocation are deferred on close.\n",
1452 		     video_device_node_name(dev->vdev));
1453 
1454 		/* Even having users, it is safe to remove the RC i2c driver */
1455 		cx231xx_ir_exit(dev);
1456 
1457 		if (dev->USE_ISO)
1458 			cx231xx_uninit_isoc(dev);
1459 		else
1460 			cx231xx_uninit_bulk(dev);
1461 		wake_up_interruptible(&dev->wait_frame);
1462 		wake_up_interruptible(&dev->wait_stream);
1463 	} else {
1464 	}
1465 
1466 	cx231xx_close_extension(dev);
1467 
1468 	mutex_unlock(&dev->lock);
1469 
1470 	if (!dev->users)
1471 		cx231xx_release_resources(dev);
1472 }
1473 
1474 static struct usb_driver cx231xx_usb_driver = {
1475 	.name = "cx231xx",
1476 	.probe = cx231xx_usb_probe,
1477 	.disconnect = cx231xx_usb_disconnect,
1478 	.id_table = cx231xx_id_table,
1479 };
1480 
1481 module_usb_driver(cx231xx_usb_driver);
1482