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cx231xx-cards.c
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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 #include <media/v4l2-chip-ident.h>
33 
34 #include <media/cx25840.h>
35 #include "dvb-usb-ids.h"
36 #include "xc5000.h"
37 #include "tda18271.h"
38 
39 #include "cx231xx.h"
40 
41 static int tuner = -1;
42 module_param(tuner, int, 0444);
43 MODULE_PARM_DESC(tuner, "tuner type");
44 
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)");
48 
49 static unsigned int disable_ir;
50 module_param(disable_ir, int, 0444);
51 MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
52 
53 /* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */
54 static unsigned long cx231xx_devused;
55 
56 /*
57  * Reset sequences for analog/digital modes
58  */
59 
60 static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = {
61  {0x03, 0x01, 10},
62  {0x03, 0x00, 30},
63  {0x03, 0x01, 10},
64  {-1, -1, -1},
65 };
66 
67 /*
68  * Board definitions
69  */
72  .name = "Unknown CX231xx video grabber",
73  .tuner_type = TUNER_ABSENT,
74  .input = {{
76  .vmux = CX231XX_VIN_3_1,
77  .amux = CX231XX_AMUX_VIDEO,
78  .gpio = NULL,
79  }, {
81  .vmux = CX231XX_VIN_2_1,
82  .amux = CX231XX_AMUX_LINE_IN,
83  .gpio = NULL,
84  }, {
85  .type = CX231XX_VMUX_SVIDEO,
86  .vmux = CX231XX_VIN_1_1 |
87  (CX231XX_VIN_1_2 << 8) |
89  .amux = CX231XX_AMUX_LINE_IN,
90  .gpio = NULL,
91  }
92  },
93  },
95  .name = "Conexant Hybrid TV - CARRAERA",
96  .tuner_type = TUNER_XC5000,
97  .tuner_addr = 0x61,
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,
110  .has_dvb = 1,
111  .demod_addr = 0x02,
112  .norm = V4L2_STD_PAL,
113 
114  .input = {{
115  .type = CX231XX_VMUX_TELEVISION,
116  .vmux = CX231XX_VIN_3_1,
117  .amux = CX231XX_AMUX_VIDEO,
118  .gpio = NULL,
119  }, {
120  .type = CX231XX_VMUX_COMPOSITE1,
121  .vmux = CX231XX_VIN_2_1,
122  .amux = CX231XX_AMUX_LINE_IN,
123  .gpio = NULL,
124  }, {
125  .type = CX231XX_VMUX_SVIDEO,
126  .vmux = CX231XX_VIN_1_1 |
127  (CX231XX_VIN_1_2 << 8) |
129  .amux = CX231XX_AMUX_LINE_IN,
130  .gpio = NULL,
131  }
132  },
133  },
135  .name = "Conexant Hybrid TV - SHELBY",
136  .tuner_type = TUNER_XC5000,
137  .tuner_addr = 0x61,
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,
150  .has_dvb = 1,
151  .demod_addr = 0x32,
152  .norm = V4L2_STD_NTSC,
153 
154  .input = {{
155  .type = CX231XX_VMUX_TELEVISION,
156  .vmux = CX231XX_VIN_3_1,
157  .amux = CX231XX_AMUX_VIDEO,
158  .gpio = NULL,
159  }, {
160  .type = CX231XX_VMUX_COMPOSITE1,
161  .vmux = CX231XX_VIN_2_1,
162  .amux = CX231XX_AMUX_LINE_IN,
163  .gpio = NULL,
164  }, {
165  .type = CX231XX_VMUX_SVIDEO,
166  .vmux = CX231XX_VIN_1_1 |
167  (CX231XX_VIN_1_2 << 8) |
169  .amux = CX231XX_AMUX_LINE_IN,
170  .gpio = NULL,
171  }
172  },
173  },
175  .name = "Conexant Hybrid TV - RDE253S",
176  .tuner_type = TUNER_NXP_TDA18271,
177  .tuner_addr = 0x60,
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,
190  .has_dvb = 1,
191  .demod_addr = 0x02,
192  .norm = V4L2_STD_PAL,
193 
194  .input = {{
195  .type = CX231XX_VMUX_TELEVISION,
196  .vmux = CX231XX_VIN_3_1,
197  .amux = CX231XX_AMUX_VIDEO,
198  .gpio = NULL,
199  }, {
200  .type = CX231XX_VMUX_COMPOSITE1,
201  .vmux = CX231XX_VIN_2_1,
202  .amux = CX231XX_AMUX_LINE_IN,
203  .gpio = NULL,
204  }, {
205  .type = CX231XX_VMUX_SVIDEO,
206  .vmux = CX231XX_VIN_1_1 |
207  (CX231XX_VIN_1_2 << 8) |
209  .amux = CX231XX_AMUX_LINE_IN,
210  .gpio = NULL,
211  }
212  },
213  },
214 
216  .name = "Conexant Hybrid TV - RDU253S",
217  .tuner_type = TUNER_NXP_TDA18271,
218  .tuner_addr = 0x60,
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,
231  .has_dvb = 1,
232  .demod_addr = 0x02,
233  .norm = V4L2_STD_PAL,
234 
235  .input = {{
236  .type = CX231XX_VMUX_TELEVISION,
237  .vmux = CX231XX_VIN_3_1,
238  .amux = CX231XX_AMUX_VIDEO,
239  .gpio = NULL,
240  }, {
241  .type = CX231XX_VMUX_COMPOSITE1,
242  .vmux = CX231XX_VIN_2_1,
243  .amux = CX231XX_AMUX_LINE_IN,
244  .gpio = NULL,
245  }, {
246  .type = CX231XX_VMUX_SVIDEO,
247  .vmux = CX231XX_VIN_1_1 |
248  (CX231XX_VIN_1_2 << 8) |
250  .amux = CX231XX_AMUX_LINE_IN,
251  .gpio = NULL,
252  }
253  },
254  },
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,
264  .no_alt_vanc = 1,
265  .external_av = 1,
266  .has_417 = 1,
267 
268  .input = {{
269  .type = CX231XX_VMUX_COMPOSITE1,
270  .vmux = CX231XX_VIN_2_1,
271  .amux = CX231XX_AMUX_LINE_IN,
272  .gpio = NULL,
273  }, {
274  .type = CX231XX_VMUX_SVIDEO,
275  .vmux = CX231XX_VIN_1_1 |
276  (CX231XX_VIN_1_2 << 8) |
278  .amux = CX231XX_AMUX_LINE_IN,
279  .gpio = NULL,
280  }
281  },
282  },
284  .name = "Conexant Hybrid TV - rde 250",
285  .tuner_type = TUNER_XC5000,
286  .tuner_addr = 0x61,
287  .tuner_gpio = RDE250_XCV_TUNER,
288  .tuner_sif_gpio = 0x05,
289  .tuner_scl_gpio = 0x1a,
290  .tuner_sda_gpio = 0x1b,
291  .decoder = CX231XX_AVDECODER,
292  .output_mode = OUT_MODE_VIP11,
293  .demod_xfer_mode = 0,
294  .ctl_pin_status_mask = 0xFFFFFFC4,
295  .agc_analog_digital_select_gpio = 0x0c,
296  .gpio_pin_status_mask = 0x4001000,
297  .tuner_i2c_master = 1,
298  .demod_i2c_master = 2,
299  .has_dvb = 1,
300  .demod_addr = 0x02,
301  .norm = V4L2_STD_PAL,
302 
303  .input = {{
304  .type = CX231XX_VMUX_TELEVISION,
305  .vmux = CX231XX_VIN_2_1,
306  .amux = CX231XX_AMUX_VIDEO,
307  .gpio = NULL,
308  }
309  },
310  },
312  .name = "Conexant Hybrid TV - RDU 250",
313  .tuner_type = TUNER_XC5000,
314  .tuner_addr = 0x61,
315  .tuner_gpio = RDE250_XCV_TUNER,
316  .tuner_sif_gpio = 0x05,
317  .tuner_scl_gpio = 0x1a,
318  .tuner_sda_gpio = 0x1b,
319  .decoder = CX231XX_AVDECODER,
320  .output_mode = OUT_MODE_VIP11,
321  .demod_xfer_mode = 0,
322  .ctl_pin_status_mask = 0xFFFFFFC4,
323  .agc_analog_digital_select_gpio = 0x0c,
324  .gpio_pin_status_mask = 0x4001000,
325  .tuner_i2c_master = 1,
326  .demod_i2c_master = 2,
327  .has_dvb = 1,
328  .demod_addr = 0x32,
329  .norm = V4L2_STD_NTSC,
330 
331  .input = {{
332  .type = CX231XX_VMUX_TELEVISION,
333  .vmux = CX231XX_VIN_2_1,
334  .amux = CX231XX_AMUX_VIDEO,
335  .gpio = NULL,
336  }
337  },
338  },
340  .name = "Hauppauge EXETER",
341  .tuner_type = TUNER_NXP_TDA18271,
342  .tuner_addr = 0x60,
343  .tuner_gpio = RDE250_XCV_TUNER,
344  .tuner_sif_gpio = 0x05,
345  .tuner_scl_gpio = 0x1a,
346  .tuner_sda_gpio = 0x1b,
347  .decoder = CX231XX_AVDECODER,
348  .output_mode = OUT_MODE_VIP11,
349  .demod_xfer_mode = 0,
350  .ctl_pin_status_mask = 0xFFFFFFC4,
351  .agc_analog_digital_select_gpio = 0x0c,
352  .gpio_pin_status_mask = 0x4001000,
353  .tuner_i2c_master = 1,
354  .demod_i2c_master = 2,
355  .has_dvb = 1,
356  .demod_addr = 0x0e,
357  .norm = V4L2_STD_NTSC,
358 
359  .input = {{
360  .type = CX231XX_VMUX_TELEVISION,
361  .vmux = CX231XX_VIN_3_1,
362  .amux = CX231XX_AMUX_VIDEO,
363  .gpio = NULL,
364  }, {
365  .type = CX231XX_VMUX_COMPOSITE1,
366  .vmux = CX231XX_VIN_2_1,
367  .amux = CX231XX_AMUX_LINE_IN,
368  .gpio = NULL,
369  }, {
370  .type = CX231XX_VMUX_SVIDEO,
371  .vmux = CX231XX_VIN_1_1 |
372  (CX231XX_VIN_1_2 << 8) |
374  .amux = CX231XX_AMUX_LINE_IN,
375  .gpio = NULL,
376  } },
377  },
379  .name = "Hauppauge USB Live 2",
380  .tuner_type = TUNER_ABSENT,
381  .decoder = CX231XX_AVDECODER,
382  .output_mode = OUT_MODE_VIP11,
383  .demod_xfer_mode = 0,
384  .ctl_pin_status_mask = 0xFFFFFFC4,
385  .agc_analog_digital_select_gpio = 0x0c,
386  .gpio_pin_status_mask = 0x4001000,
387  .norm = V4L2_STD_NTSC,
388  .no_alt_vanc = 1,
389  .external_av = 1,
390  .dont_use_port_3 = 1,
391  .input = {{
392  .type = CX231XX_VMUX_COMPOSITE1,
393  .vmux = CX231XX_VIN_2_1,
394  .amux = CX231XX_AMUX_LINE_IN,
395  .gpio = NULL,
396  }, {
397  .type = CX231XX_VMUX_SVIDEO,
398  .vmux = CX231XX_VIN_1_1 |
399  (CX231XX_VIN_1_2 << 8) |
401  .amux = CX231XX_AMUX_LINE_IN,
402  .gpio = NULL,
403  } },
404  },
406  .name = "Kworld UB430 USB Hybrid",
407  .tuner_type = TUNER_NXP_TDA18271,
408  .tuner_addr = 0x60,
409  .decoder = CX231XX_AVDECODER,
410  .output_mode = OUT_MODE_VIP11,
411  .demod_xfer_mode = 0,
412  .ctl_pin_status_mask = 0xFFFFFFC4,
413  .agc_analog_digital_select_gpio = 0x11, /* According with PV cxPolaris.inf file */
414  .tuner_sif_gpio = -1,
415  .tuner_scl_gpio = -1,
416  .tuner_sda_gpio = -1,
417  .gpio_pin_status_mask = 0x4001000,
418  .tuner_i2c_master = 2,
419  .demod_i2c_master = 1,
420  .ir_i2c_master = 2,
421  .has_dvb = 1,
422  .demod_addr = 0x10,
423  .norm = V4L2_STD_PAL_M,
424  .input = {{
425  .type = CX231XX_VMUX_TELEVISION,
426  .vmux = CX231XX_VIN_3_1,
427  .amux = CX231XX_AMUX_VIDEO,
428  .gpio = NULL,
429  }, {
430  .type = CX231XX_VMUX_COMPOSITE1,
431  .vmux = CX231XX_VIN_2_1,
432  .amux = CX231XX_AMUX_LINE_IN,
433  .gpio = NULL,
434  }, {
435  .type = CX231XX_VMUX_SVIDEO,
436  .vmux = CX231XX_VIN_1_1 |
437  (CX231XX_VIN_1_2 << 8) |
439  .amux = CX231XX_AMUX_LINE_IN,
440  .gpio = NULL,
441  } },
442  },
444  .name = "Pixelview PlayTV USB Hybrid",
445  .tuner_type = TUNER_NXP_TDA18271,
446  .tuner_addr = 0x60,
447  .decoder = CX231XX_AVDECODER,
448  .output_mode = OUT_MODE_VIP11,
449  .demod_xfer_mode = 0,
450  .ctl_pin_status_mask = 0xFFFFFFC4,
451  .agc_analog_digital_select_gpio = 0x00, /* According with PV cxPolaris.inf file */
452  .tuner_sif_gpio = -1,
453  .tuner_scl_gpio = -1,
454  .tuner_sda_gpio = -1,
455  .gpio_pin_status_mask = 0x4001000,
456  .tuner_i2c_master = 2,
457  .demod_i2c_master = 1,
458  .ir_i2c_master = 2,
459  .rc_map_name = RC_MAP_PIXELVIEW_002T,
460  .has_dvb = 1,
461  .demod_addr = 0x10,
462  .norm = V4L2_STD_PAL_M,
463  .input = {{
464  .type = CX231XX_VMUX_TELEVISION,
465  .vmux = CX231XX_VIN_3_1,
466  .amux = CX231XX_AMUX_VIDEO,
467  .gpio = NULL,
468  }, {
469  .type = CX231XX_VMUX_COMPOSITE1,
470  .vmux = CX231XX_VIN_2_1,
471  .amux = CX231XX_AMUX_LINE_IN,
472  .gpio = NULL,
473  }, {
474  .type = CX231XX_VMUX_SVIDEO,
475  .vmux = CX231XX_VIN_1_1 |
476  (CX231XX_VIN_1_2 << 8) |
478  .amux = CX231XX_AMUX_LINE_IN,
479  .gpio = NULL,
480  } },
481  },
483  .name = "Pixelview Xcapture USB",
484  .tuner_type = TUNER_ABSENT,
485  .decoder = CX231XX_AVDECODER,
486  .output_mode = OUT_MODE_VIP11,
487  .demod_xfer_mode = 0,
488  .ctl_pin_status_mask = 0xFFFFFFC4,
489  .agc_analog_digital_select_gpio = 0x0c,
490  .gpio_pin_status_mask = 0x4001000,
491  .norm = V4L2_STD_NTSC,
492  .no_alt_vanc = 1,
493  .external_av = 1,
494  .dont_use_port_3 = 1,
495 
496  .input = {{
497  .type = CX231XX_VMUX_COMPOSITE1,
498  .vmux = CX231XX_VIN_2_1,
499  .amux = CX231XX_AMUX_LINE_IN,
500  .gpio = NULL,
501  }, {
502  .type = CX231XX_VMUX_SVIDEO,
503  .vmux = CX231XX_VIN_1_1 |
504  (CX231XX_VIN_1_2 << 8) |
506  .amux = CX231XX_AMUX_LINE_IN,
507  .gpio = NULL,
508  }
509  },
510  },
511 
513  .name = "Iconbit Analog Stick U100 FM",
514  .tuner_type = TUNER_ABSENT,
515  .decoder = CX231XX_AVDECODER,
516  .output_mode = OUT_MODE_VIP11,
517  .demod_xfer_mode = 0,
518  .ctl_pin_status_mask = 0xFFFFFFC4,
519  .agc_analog_digital_select_gpio = 0x1C,
520  .gpio_pin_status_mask = 0x4001000,
521 
522  .input = {{
523  .type = CX231XX_VMUX_COMPOSITE1,
524  .vmux = CX231XX_VIN_2_1,
525  .amux = CX231XX_AMUX_LINE_IN,
526  .gpio = NULL,
527  }, {
528  .type = CX231XX_VMUX_SVIDEO,
529  .vmux = CX231XX_VIN_1_1 |
530  (CX231XX_VIN_1_2 << 8) |
532  .amux = CX231XX_AMUX_LINE_IN,
533  .gpio = NULL,
534  } },
535  },
537  .name = "Hauppauge WinTV USB2 FM (PAL)",
538  .tuner_type = TUNER_NXP_TDA18271,
539  .tuner_addr = 0x60,
540  .tuner_gpio = RDE250_XCV_TUNER,
541  .tuner_sif_gpio = 0x05,
542  .tuner_scl_gpio = 0x1a,
543  .tuner_sda_gpio = 0x1b,
544  .decoder = CX231XX_AVDECODER,
545  .output_mode = OUT_MODE_VIP11,
546  .ctl_pin_status_mask = 0xFFFFFFC4,
547  .agc_analog_digital_select_gpio = 0x0c,
548  .gpio_pin_status_mask = 0x4001000,
549  .tuner_i2c_master = 1,
550  .norm = V4L2_STD_PAL,
551 
552  .input = {{
553  .type = CX231XX_VMUX_TELEVISION,
554  .vmux = CX231XX_VIN_3_1,
555  .amux = CX231XX_AMUX_VIDEO,
556  .gpio = NULL,
557  }, {
558  .type = CX231XX_VMUX_COMPOSITE1,
559  .vmux = CX231XX_VIN_2_1,
560  .amux = CX231XX_AMUX_LINE_IN,
561  .gpio = NULL,
562  }, {
563  .type = CX231XX_VMUX_SVIDEO,
564  .vmux = CX231XX_VIN_1_1 |
565  (CX231XX_VIN_1_2 << 8) |
567  .amux = CX231XX_AMUX_LINE_IN,
568  .gpio = NULL,
569  } },
570  },
572  .name = "Hauppauge WinTV USB2 FM (NTSC)",
573  .tuner_type = TUNER_NXP_TDA18271,
574  .tuner_addr = 0x60,
575  .tuner_gpio = RDE250_XCV_TUNER,
576  .tuner_sif_gpio = 0x05,
577  .tuner_scl_gpio = 0x1a,
578  .tuner_sda_gpio = 0x1b,
579  .decoder = CX231XX_AVDECODER,
580  .output_mode = OUT_MODE_VIP11,
581  .ctl_pin_status_mask = 0xFFFFFFC4,
582  .agc_analog_digital_select_gpio = 0x0c,
583  .gpio_pin_status_mask = 0x4001000,
584  .tuner_i2c_master = 1,
585  .norm = V4L2_STD_NTSC,
586 
587  .input = {{
588  .type = CX231XX_VMUX_TELEVISION,
589  .vmux = CX231XX_VIN_3_1,
590  .amux = CX231XX_AMUX_VIDEO,
591  .gpio = NULL,
592  }, {
593  .type = CX231XX_VMUX_COMPOSITE1,
594  .vmux = CX231XX_VIN_2_1,
595  .amux = CX231XX_AMUX_LINE_IN,
596  .gpio = NULL,
597  }, {
598  .type = CX231XX_VMUX_SVIDEO,
599  .vmux = CX231XX_VIN_1_1 |
600  (CX231XX_VIN_1_2 << 8) |
602  .amux = CX231XX_AMUX_LINE_IN,
603  .gpio = NULL,
604  } },
605  },
606 };
607 const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
608 
609 /* table of devices that work with this driver */
611  {USB_DEVICE(0x0572, 0x5A3C),
612  .driver_info = CX231XX_BOARD_UNKNOWN},
613  {USB_DEVICE(0x0572, 0x58A2),
614  .driver_info = CX231XX_BOARD_CNXT_CARRAERA},
615  {USB_DEVICE(0x0572, 0x58A1),
616  .driver_info = CX231XX_BOARD_CNXT_SHELBY},
617  {USB_DEVICE(0x0572, 0x58A4),
618  .driver_info = CX231XX_BOARD_CNXT_RDE_253S},
619  {USB_DEVICE(0x0572, 0x58A5),
620  .driver_info = CX231XX_BOARD_CNXT_RDU_253S},
621  {USB_DEVICE(0x0572, 0x58A6),
622  .driver_info = CX231XX_BOARD_CNXT_VIDEO_GRABBER},
623  {USB_DEVICE(0x0572, 0x589E),
624  .driver_info = CX231XX_BOARD_CNXT_RDE_250},
625  {USB_DEVICE(0x0572, 0x58A0),
626  .driver_info = CX231XX_BOARD_CNXT_RDU_250},
627  {USB_DEVICE(0x2040, 0xb110),
628  .driver_info = CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL},
629  {USB_DEVICE(0x2040, 0xb111),
630  .driver_info = CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC},
631  {USB_DEVICE(0x2040, 0xb120),
632  .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
633  {USB_DEVICE(0x2040, 0xb140),
634  .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
635  {USB_DEVICE(0x2040, 0xc200),
636  .driver_info = CX231XX_BOARD_HAUPPAUGE_USBLIVE2},
637  {USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000, 0x4001),
638  .driver_info = CX231XX_BOARD_PV_PLAYTV_USB_HYBRID},
639  {USB_DEVICE(USB_VID_PIXELVIEW, 0x5014),
640  .driver_info = CX231XX_BOARD_PV_XCAPTURE_USB},
641  {USB_DEVICE(0x1b80, 0xe424),
643  {USB_DEVICE(0x1f4d, 0x0237),
644  .driver_info = CX231XX_BOARD_ICONBIT_U100},
645  {},
646 };
647 
648 MODULE_DEVICE_TABLE(usb, cx231xx_id_table);
649 
650 /* cx231xx_tuner_callback
651  * will be used to reset XC5000 tuner using GPIO pin
652  */
653 
654 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg)
655 {
656  int rc = 0;
657  struct cx231xx *dev = ptr;
658 
659  if (dev->tuner_type == TUNER_XC5000) {
660  if (command == XC5000_TUNER_RESET) {
662  ("Tuner CB: RESET: cmd %d : tuner type %d \n",
663  command, dev->tuner_type);
664  cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
665  1);
666  msleep(10);
667  cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
668  0);
669  msleep(330);
670  cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
671  1);
672  msleep(10);
673  }
674  } else if (dev->tuner_type == TUNER_NXP_TDA18271) {
675  switch (command) {
679  break;
680  default:
681  rc = -EINVAL;
682  break;
683  }
684  }
685  return rc;
686 }
688 
690 {
692  msleep(200);
694  msleep(200);
696 }
698 {
700 }
702 {
704 }
705 
706 static inline void cx231xx_set_model(struct cx231xx *dev)
707 {
708  memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board));
709 }
710 
711 /* Since cx231xx_pre_card_setup() requires a proper dev->model,
712  * this won't work for boards with generic PCI IDs
713  */
715 {
716 
717  cx231xx_set_model(dev);
718 
719  cx231xx_info("Identified as %s (card=%d)\n",
720  dev->board.name, dev->model);
721 
722  /* set the direction for GPIO pins */
723  if (dev->board.tuner_gpio) {
724  cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
725  cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
726  }
727  if (dev->board.tuner_sif_gpio >= 0)
728  cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
729 
730  /* request some modules if any required */
731 
732  /* set the mode to Analog mode initially */
734 
735  /* Unlock device */
736  /* cx231xx_set_mode(dev, CX231XX_SUSPEND); */
737 
738 }
739 
740 static void cx231xx_config_tuner(struct cx231xx *dev)
741 {
742  struct tuner_setup tun_setup;
743  struct v4l2_frequency f;
744 
745  if (dev->tuner_type == TUNER_ABSENT)
746  return;
747 
748  tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
749  tun_setup.type = dev->tuner_type;
750  tun_setup.addr = dev->tuner_addr;
751  tun_setup.tuner_callback = cx231xx_tuner_callback;
752 
753  tuner_call(dev, tuner, s_type_addr, &tun_setup);
754 
755 #if 0
756  if (tun_setup.type == TUNER_XC5000) {
757  static struct xc2028_ctrl ctrl = {
758  .fname = XC5000_DEFAULT_FIRMWARE,
759  .max_len = 64,
760  .demod = 0;
761  };
762  struct v4l2_priv_tun_config cfg = {
763  .tuner = dev->tuner_type,
764  .priv = &ctrl,
765  };
766  tuner_call(dev, tuner, s_config, &cfg);
767  }
768 #endif
769  /* configure tuner */
770  f.tuner = 0;
771  f.type = V4L2_TUNER_ANALOG_TV;
772  f.frequency = 9076; /* just a magic number */
773  dev->ctl_freq = f.frequency;
774  call_all(dev, tuner, s_frequency, &f);
775 
776 }
777 
778 void cx231xx_card_setup(struct cx231xx *dev)
779 {
780 
781  cx231xx_set_model(dev);
782 
783  dev->tuner_type = cx231xx_boards[dev->model].tuner_type;
784  if (cx231xx_boards[dev->model].tuner_addr)
785  dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr;
786 
787  /* request some modules */
788  if (dev->board.decoder == CX231XX_AVDECODER) {
790  &dev->i2c_bus[0].i2c_adap,
791  "cx25840", 0x88 >> 1, NULL);
792  if (dev->sd_cx25840 == NULL)
793  cx231xx_info("cx25840 subdev registration failure\n");
794  cx25840_call(dev, core, load_fw);
795 
796  }
797 
798  /* Initialize the tuner */
799  if (dev->board.tuner_type != TUNER_ABSENT) {
801  &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
802  "tuner",
803  dev->tuner_addr, NULL);
804  if (dev->sd_tuner == NULL)
805  cx231xx_info("tuner subdev registration failure\n");
806  else
807  cx231xx_config_tuner(dev);
808  }
809 }
810 
811 /*
812  * cx231xx_config()
813  * inits registers with sane defaults
814  */
815 int cx231xx_config(struct cx231xx *dev)
816 {
817  /* TBD need to add cx231xx specific code */
818  dev->mute = 1; /* maybe not the right place... */
819  dev->volume = 0x1f;
820 
821  return 0;
822 }
823 
824 /*
825  * cx231xx_config_i2c()
826  * configure i2c attached devices
827  */
828 void cx231xx_config_i2c(struct cx231xx *dev)
829 {
830  /* u32 input = INPUT(dev->video_input)->vmux; */
831 
832  call_all(dev, video, s_stream, 1);
833 }
834 
835 /*
836  * cx231xx_realease_resources()
837  * unregisters the v4l2,i2c and usb devices
838  * called when the device gets disconected or at module unload
839 */
841 {
843 
845 
846  cx231xx_ir_exit(dev);
847 
848  /* Release I2C buses */
849  cx231xx_dev_uninit(dev);
850 
851  /* delete v4l2 device */
853 
854  usb_put_dev(dev->udev);
855 
856  /* Mark device as unused */
857  clear_bit(dev->devno, &cx231xx_devused);
858 
859  kfree(dev->video_mode.alt_max_pkt_size);
860  kfree(dev->vbi_mode.alt_max_pkt_size);
861  kfree(dev->sliced_cc_mode.alt_max_pkt_size);
862  kfree(dev->ts1_mode.alt_max_pkt_size);
863  kfree(dev);
864 }
865 
866 /*
867  * cx231xx_init_dev()
868  * allocates and inits the device structs, registers i2c bus and v4l device
869  */
870 static int cx231xx_init_dev(struct cx231xx *dev, struct usb_device *udev,
871  int minor)
872 {
873  int retval = -ENOMEM;
874  int errCode;
875  unsigned int maxh, maxw;
876 
877  dev->udev = udev;
878  mutex_init(&dev->lock);
879  mutex_init(&dev->ctrl_urb_lock);
880  mutex_init(&dev->gpio_i2c_lock);
881  mutex_init(&dev->i2c_lock);
882 
883  spin_lock_init(&dev->video_mode.slock);
884  spin_lock_init(&dev->vbi_mode.slock);
885  spin_lock_init(&dev->sliced_cc_mode.slock);
886 
887  init_waitqueue_head(&dev->open);
890 
896 
897  /* Query cx231xx to find what pcb config it is related to */
898  initialize_cx231xx(dev);
899 
900  /*To workaround error number=-71 on EP0 for VideoGrabber,
901  need set alt here.*/
906  }
907  /* Cx231xx pre card setup */
909 
910  errCode = cx231xx_config(dev);
911  if (errCode) {
912  cx231xx_errdev("error configuring device\n");
913  return -ENOMEM;
914  }
915 
916  /* set default norm */
917  dev->norm = dev->board.norm;
918 
919  /* register i2c bus */
920  errCode = cx231xx_dev_init(dev);
921  if (errCode < 0) {
922  cx231xx_dev_uninit(dev);
923  cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n",
924  __func__, errCode);
925  return errCode;
926  }
927 
928  /* Do board specific init */
929  cx231xx_card_setup(dev);
930 
931  /* configure the device */
932  cx231xx_config_i2c(dev);
933 
934  maxw = norm_maxw(dev);
935  maxh = norm_maxh(dev);
936 
937  /* set default image size */
938  dev->width = maxw;
939  dev->height = maxh;
940  dev->interlaced = 0;
941  dev->video_input = 0;
942 
943  errCode = cx231xx_config(dev);
944  if (errCode < 0) {
945  cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n",
946  __func__, errCode);
947  return errCode;
948  }
949 
950  /* init video dma queues */
951  INIT_LIST_HEAD(&dev->video_mode.vidq.active);
952  INIT_LIST_HEAD(&dev->video_mode.vidq.queued);
953 
954  /* init vbi dma queues */
955  INIT_LIST_HEAD(&dev->vbi_mode.vidq.active);
956  INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued);
957 
958  /* Reset other chips required if they are tied up with GPIO pins */
960 
961  if (dev->board.has_417) {
962  printk(KERN_INFO "attach 417 %d\n", dev->model);
963  if (cx231xx_417_register(dev) < 0) {
965  "%s() Failed to register 417 on VID_B\n",
966  __func__);
967  }
968  }
969 
970  retval = cx231xx_register_analog_devices(dev);
971  if (retval < 0) {
973  return retval;
974  }
975 
976  cx231xx_ir_init(dev);
977 
979 
980  return 0;
981 }
982 
983 #if defined(CONFIG_MODULES) && defined(MODULE)
984 static void request_module_async(struct work_struct *work)
985 {
986  struct cx231xx *dev = container_of(work,
987  struct cx231xx, request_module_wk);
988 
989  if (dev->has_alsa_audio)
990  request_module("cx231xx-alsa");
991 
992  if (dev->board.has_dvb)
993  request_module("cx231xx-dvb");
994 
995 }
996 
997 static void request_modules(struct cx231xx *dev)
998 {
999  INIT_WORK(&dev->request_module_wk, request_module_async);
1001 }
1002 
1003 static void flush_request_modules(struct cx231xx *dev)
1004 {
1006 }
1007 #else
1008 #define request_modules(dev)
1009 #define flush_request_modules(dev)
1010 #endif /* CONFIG_MODULES */
1011 
1012 /*
1013  * cx231xx_usb_probe()
1014  * checks for supported devices
1015  */
1016 static int cx231xx_usb_probe(struct usb_interface *interface,
1017  const struct usb_device_id *id)
1018 {
1019  struct usb_device *udev;
1020  struct usb_interface *uif;
1021  struct cx231xx *dev = NULL;
1022  int retval = -ENODEV;
1023  int nr = 0, ifnum;
1024  int i, isoc_pipe = 0;
1025  char *speed;
1026  struct usb_interface_assoc_descriptor *assoc_desc;
1027 
1028  udev = usb_get_dev(interface_to_usbdev(interface));
1029  ifnum = interface->altsetting[0].desc.bInterfaceNumber;
1030 
1031  /*
1032  * Interface number 0 - IR interface (handled by mceusb driver)
1033  * Interface number 1 - AV interface (handled by this driver)
1034  */
1035  if (ifnum != 1)
1036  return -ENODEV;
1037 
1038  /* Check to see next free device and mark as used */
1039  do {
1040  nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS);
1041  if (nr >= CX231XX_MAXBOARDS) {
1042  /* No free device slots */
1043  cx231xx_err(DRIVER_NAME ": Supports only %i devices.\n",
1045  return -ENOMEM;
1046  }
1047  } while (test_and_set_bit(nr, &cx231xx_devused));
1048 
1049  /* allocate memory for our device state and initialize it */
1050  dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1051  if (dev == NULL) {
1052  cx231xx_err(DRIVER_NAME ": out of memory!\n");
1053  clear_bit(nr, &cx231xx_devused);
1054  return -ENOMEM;
1055  }
1056 
1057  snprintf(dev->name, 29, "cx231xx #%d", nr);
1058  dev->devno = nr;
1059  dev->model = id->driver_info;
1060  dev->video_mode.alt = -1;
1061 
1062  dev->interface_count++;
1063  /* reset gpio dir and value */
1064  dev->gpio_dir = 0;
1065  dev->gpio_val = 0;
1066  dev->xc_fw_load_done = 0;
1067  dev->has_alsa_audio = 1;
1068  dev->power_mode = -1;
1069  atomic_set(&dev->devlist_count, 0);
1070 
1071  /* 0 - vbi ; 1 -sliced cc mode */
1072  dev->vbi_or_sliced_cc_mode = 0;
1073 
1074  /* get maximum no.of IAD interfaces */
1075  assoc_desc = udev->actconfig->intf_assoc[0];
1076  dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
1077 
1078  /* init CIR module TBD */
1079 
1080  /*mode_tv: digital=1 or analog=0*/
1081  dev->mode_tv = 0;
1082 
1083  dev->USE_ISO = transfer_mode;
1084 
1085  switch (udev->speed) {
1086  case USB_SPEED_LOW:
1087  speed = "1.5";
1088  break;
1089  case USB_SPEED_UNKNOWN:
1090  case USB_SPEED_FULL:
1091  speed = "12";
1092  break;
1093  case USB_SPEED_HIGH:
1094  speed = "480";
1095  break;
1096  default:
1097  speed = "unknown";
1098  }
1099 
1100  cx231xx_info("New device %s %s @ %s Mbps "
1101  "(%04x:%04x) with %d interfaces\n",
1102  udev->manufacturer ? udev->manufacturer : "",
1103  udev->product ? udev->product : "",
1104  speed,
1105  le16_to_cpu(udev->descriptor.idVendor),
1106  le16_to_cpu(udev->descriptor.idProduct),
1108 
1109  /* increment interface count */
1110  dev->interface_count++;
1111 
1112  /* get device number */
1113  nr = dev->devno;
1114 
1115  assoc_desc = udev->actconfig->intf_assoc[0];
1116  if (assoc_desc->bFirstInterface != ifnum) {
1117  cx231xx_err(DRIVER_NAME ": Not found "
1118  "matching IAD interface\n");
1119  clear_bit(dev->devno, &cx231xx_devused);
1120  kfree(dev);
1121  dev = NULL;
1122  return -ENODEV;
1123  }
1124 
1125  cx231xx_info("registering interface %d\n", ifnum);
1126 
1127  /* save our data pointer in this interface device */
1128  usb_set_intfdata(interface, dev);
1129 
1130  /*
1131  * AV device initialization - only done at the last interface
1132  */
1133 
1134  /* Create v4l2 device */
1135  retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
1136  if (retval) {
1137  cx231xx_errdev("v4l2_device_register failed\n");
1138  clear_bit(dev->devno, &cx231xx_devused);
1139  kfree(dev);
1140  dev = NULL;
1141  return -EIO;
1142  }
1143  /* allocate device struct */
1144  retval = cx231xx_init_dev(dev, udev, nr);
1145  if (retval) {
1146  clear_bit(dev->devno, &cx231xx_devused);
1148  kfree(dev);
1149  dev = NULL;
1150  usb_set_intfdata(interface, NULL);
1151 
1152  return retval;
1153  }
1154 
1155  /* compute alternate max packet sizes for video */
1156  uif = udev->actconfig->interface[dev->current_pcb_config.
1157  hs_config_info[0].interface_info.video_index + 1];
1158 
1159  dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0].
1160  endpoint[isoc_pipe].desc.bEndpointAddress);
1161 
1162  dev->video_mode.num_alt = uif->num_altsetting;
1163  cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1164  dev->video_mode.end_point_addr,
1165  dev->video_mode.num_alt);
1166  dev->video_mode.alt_max_pkt_size =
1167  kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
1168 
1169  if (dev->video_mode.alt_max_pkt_size == NULL) {
1170  cx231xx_errdev("out of memory!\n");
1171  clear_bit(dev->devno, &cx231xx_devused);
1173  kfree(dev);
1174  dev = NULL;
1175  return -ENOMEM;
1176  }
1177 
1178  for (i = 0; i < dev->video_mode.num_alt; i++) {
1179  u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1180  desc.wMaxPacketSize);
1181  dev->video_mode.alt_max_pkt_size[i] =
1182  (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1183  cx231xx_info("Alternate setting %i, max size= %i\n", i,
1184  dev->video_mode.alt_max_pkt_size[i]);
1185  }
1186 
1187  /* compute alternate max packet sizes for vbi */
1188  uif = udev->actconfig->interface[dev->current_pcb_config.
1189  hs_config_info[0].interface_info.
1190  vanc_index + 1];
1191 
1192  dev->vbi_mode.end_point_addr =
1193  le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1195 
1196  dev->vbi_mode.num_alt = uif->num_altsetting;
1197  cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1198  dev->vbi_mode.end_point_addr,
1199  dev->vbi_mode.num_alt);
1200  dev->vbi_mode.alt_max_pkt_size =
1201  kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
1202 
1203  if (dev->vbi_mode.alt_max_pkt_size == NULL) {
1204  cx231xx_errdev("out of memory!\n");
1205  clear_bit(dev->devno, &cx231xx_devused);
1207  kfree(dev);
1208  dev = NULL;
1209  return -ENOMEM;
1210  }
1211 
1212  for (i = 0; i < dev->vbi_mode.num_alt; i++) {
1213  u16 tmp =
1214  le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1215  desc.wMaxPacketSize);
1216  dev->vbi_mode.alt_max_pkt_size[i] =
1217  (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1218  cx231xx_info("Alternate setting %i, max size= %i\n", i,
1219  dev->vbi_mode.alt_max_pkt_size[i]);
1220  }
1221 
1222  /* compute alternate max packet sizes for sliced CC */
1223  uif = udev->actconfig->interface[dev->current_pcb_config.
1224  hs_config_info[0].interface_info.
1225  hanc_index + 1];
1226 
1227  dev->sliced_cc_mode.end_point_addr =
1228  le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
1229  bEndpointAddress);
1230 
1231  dev->sliced_cc_mode.num_alt = uif->num_altsetting;
1232  cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1233  dev->sliced_cc_mode.end_point_addr,
1234  dev->sliced_cc_mode.num_alt);
1235  dev->sliced_cc_mode.alt_max_pkt_size =
1236  kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
1237 
1238  if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
1239  cx231xx_errdev("out of memory!\n");
1240  clear_bit(dev->devno, &cx231xx_devused);
1242  kfree(dev);
1243  dev = NULL;
1244  return -ENOMEM;
1245  }
1246 
1247  for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
1248  u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
1249  desc.wMaxPacketSize);
1250  dev->sliced_cc_mode.alt_max_pkt_size[i] =
1251  (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1252  cx231xx_info("Alternate setting %i, max size= %i\n", i,
1253  dev->sliced_cc_mode.alt_max_pkt_size[i]);
1254  }
1255 
1256  if (dev->current_pcb_config.ts1_source != 0xff) {
1257  /* compute alternate max packet sizes for TS1 */
1258  uif = udev->actconfig->interface[dev->current_pcb_config.
1259  hs_config_info[0].
1260  interface_info.
1261  ts1_index + 1];
1262 
1263  dev->ts1_mode.end_point_addr =
1264  le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].
1265  desc.bEndpointAddress);
1266 
1267  dev->ts1_mode.num_alt = uif->num_altsetting;
1268  cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
1269  dev->ts1_mode.end_point_addr,
1270  dev->ts1_mode.num_alt);
1271  dev->ts1_mode.alt_max_pkt_size =
1272  kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
1273 
1274  if (dev->ts1_mode.alt_max_pkt_size == NULL) {
1275  cx231xx_errdev("out of memory!\n");
1276  clear_bit(dev->devno, &cx231xx_devused);
1278  kfree(dev);
1279  dev = NULL;
1280  return -ENOMEM;
1281  }
1282 
1283  for (i = 0; i < dev->ts1_mode.num_alt; i++) {
1284  u16 tmp = le16_to_cpu(uif->altsetting[i].
1285  endpoint[isoc_pipe].desc.
1286  wMaxPacketSize);
1287  dev->ts1_mode.alt_max_pkt_size[i] =
1288  (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
1289  cx231xx_info("Alternate setting %i, max size= %i\n", i,
1290  dev->ts1_mode.alt_max_pkt_size[i]);
1291  }
1292  }
1293 
1295  cx231xx_enable_OSC(dev);
1296  cx231xx_reset_out(dev);
1298  }
1299 
1300  if (dev->model == CX231XX_BOARD_CNXT_RDE_253S)
1301  cx231xx_sleep_s5h1432(dev);
1302 
1303  /* load other modules required */
1304  request_modules(dev);
1305 
1306  return 0;
1307 }
1308 
1309 /*
1310  * cx231xx_usb_disconnect()
1311  * called when the device gets diconencted
1312  * video device will be unregistered on v4l2_close in case it is still open
1313  */
1314 static void cx231xx_usb_disconnect(struct usb_interface *interface)
1315 {
1316  struct cx231xx *dev;
1317 
1318  dev = usb_get_intfdata(interface);
1319  usb_set_intfdata(interface, NULL);
1320 
1321  if (!dev)
1322  return;
1323 
1324  if (!dev->udev)
1325  return;
1326 
1327  dev->state |= DEV_DISCONNECTED;
1328 
1329  flush_request_modules(dev);
1330 
1331  /* wait until all current v4l2 io is finished then deallocate
1332  resources */
1333  mutex_lock(&dev->lock);
1334 
1336 
1337  if (dev->users) {
1338  cx231xx_warn
1339  ("device %s is open! Deregistration and memory "
1340  "deallocation are deferred on close.\n",
1341  video_device_node_name(dev->vdev));
1342 
1343  /* Even having users, it is safe to remove the RC i2c driver */
1344  cx231xx_ir_exit(dev);
1345 
1346  if (dev->USE_ISO)
1347  cx231xx_uninit_isoc(dev);
1348  else
1349  cx231xx_uninit_bulk(dev);
1352  } else {
1353  }
1354 
1356 
1357  mutex_unlock(&dev->lock);
1358 
1359  if (!dev->users)
1361 }
1362 
1363 static struct usb_driver cx231xx_usb_driver = {
1364  .name = "cx231xx",
1365  .probe = cx231xx_usb_probe,
1366  .disconnect = cx231xx_usb_disconnect,
1367  .id_table = cx231xx_id_table,
1368 };
1369 
1370 module_usb_driver(cx231xx_usb_driver);