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Merge tag 'regmap-fix-v4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux/fpc-iii.git] / drivers / media / usb / pvrusb2 / pvrusb2-hdw.c
blob1eb4f7ba2967d0777b71b30c7765b07168a0b27b
1 /*
2 *
3 *
4 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 */
20
21 #include <linux/errno.h>
22 #include <linux/string.h>
23 #include <linux/slab.h>
24 #include <linux/module.h>
25 #include <linux/firmware.h>
26 #include <linux/videodev2.h>
27 #include <media/v4l2-common.h>
28 #include <media/tuner.h>
29 #include "pvrusb2.h"
30 #include "pvrusb2-std.h"
31 #include "pvrusb2-util.h"
32 #include "pvrusb2-hdw.h"
33 #include "pvrusb2-i2c-core.h"
34 #include "pvrusb2-eeprom.h"
35 #include "pvrusb2-hdw-internal.h"
36 #include "pvrusb2-encoder.h"
37 #include "pvrusb2-debug.h"
38 #include "pvrusb2-fx2-cmd.h"
39 #include "pvrusb2-wm8775.h"
40 #include "pvrusb2-video-v4l.h"
41 #include "pvrusb2-cx2584x-v4l.h"
42 #include "pvrusb2-cs53l32a.h"
43 #include "pvrusb2-audio.h"
44
45 #define TV_MIN_FREQ 55250000L
46 #define TV_MAX_FREQ 850000000L
47
48 /* This defines a minimum interval that the decoder must remain quiet
49 before we are allowed to start it running. */
50 #define TIME_MSEC_DECODER_WAIT 50
51
52 /* This defines a minimum interval that the decoder must be allowed to run
53 before we can safely begin using its streaming output. */
54 #define TIME_MSEC_DECODER_STABILIZATION_WAIT 300
55
56 /* This defines a minimum interval that the encoder must remain quiet
57 before we are allowed to configure it. */
58 #define TIME_MSEC_ENCODER_WAIT 50
59
60 /* This defines the minimum interval that the encoder must successfully run
61 before we consider that the encoder has run at least once since its
62 firmware has been loaded. This measurement is in important for cases
63 where we can't do something until we know that the encoder has been run
64 at least once. */
65 #define TIME_MSEC_ENCODER_OK 250
66
67 static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = NULL};
68 static DEFINE_MUTEX(pvr2_unit_mtx);
69
70 static int ctlchg;
71 static int procreload;
72 static int tuner[PVR_NUM] = { [0 ... PVR_NUM-1] = -1 };
73 static int tolerance[PVR_NUM] = { [0 ... PVR_NUM-1] = 0 };
74 static int video_std[PVR_NUM] = { [0 ... PVR_NUM-1] = 0 };
75 static int init_pause_msec;
76
77 module_param(ctlchg, int, S_IRUGO|S_IWUSR);
78 MODULE_PARM_DESC(ctlchg, "0=optimize ctl change 1=always accept new ctl value");
79 module_param(init_pause_msec, int, S_IRUGO|S_IWUSR);
80 MODULE_PARM_DESC(init_pause_msec, "hardware initialization settling delay");
81 module_param(procreload, int, S_IRUGO|S_IWUSR);
82 MODULE_PARM_DESC(procreload,
83 "Attempt init failure recovery with firmware reload");
84 module_param_array(tuner, int, NULL, 0444);
85 MODULE_PARM_DESC(tuner,"specify installed tuner type");
86 module_param_array(video_std, int, NULL, 0444);
87 MODULE_PARM_DESC(video_std,"specify initial video standard");
88 module_param_array(tolerance, int, NULL, 0444);
89 MODULE_PARM_DESC(tolerance,"specify stream error tolerance");
90
91 /* US Broadcast channel 3 (61.25 MHz), to help with testing */
92 static int default_tv_freq = 61250000L;
93 /* 104.3 MHz, a usable FM station for my area */
94 static int default_radio_freq = 104300000L;
95
96 module_param_named(tv_freq, default_tv_freq, int, 0444);
97 MODULE_PARM_DESC(tv_freq, "specify initial television frequency");
98 module_param_named(radio_freq, default_radio_freq, int, 0444);
99 MODULE_PARM_DESC(radio_freq, "specify initial radio frequency");
100
101 #define PVR2_CTL_WRITE_ENDPOINT 0x01
102 #define PVR2_CTL_READ_ENDPOINT 0x81
103
104 #define PVR2_GPIO_IN 0x9008
105 #define PVR2_GPIO_OUT 0x900c
106 #define PVR2_GPIO_DIR 0x9020
107
108 #define trace_firmware(...) pvr2_trace(PVR2_TRACE_FIRMWARE,__VA_ARGS__)
109
110 #define PVR2_FIRMWARE_ENDPOINT 0x02
111
112 /* size of a firmware chunk */
113 #define FIRMWARE_CHUNK_SIZE 0x2000
114
115 typedef void (*pvr2_subdev_update_func)(struct pvr2_hdw *,
116 struct v4l2_subdev *);
117
118 static const pvr2_subdev_update_func pvr2_module_update_functions[] = {
119 [PVR2_CLIENT_ID_WM8775] = pvr2_wm8775_subdev_update,
120 [PVR2_CLIENT_ID_SAA7115] = pvr2_saa7115_subdev_update,
121 [PVR2_CLIENT_ID_MSP3400] = pvr2_msp3400_subdev_update,
122 [PVR2_CLIENT_ID_CX25840] = pvr2_cx25840_subdev_update,
123 [PVR2_CLIENT_ID_CS53L32A] = pvr2_cs53l32a_subdev_update,
124 };
125
126 static const char *module_names[] = {
127 [PVR2_CLIENT_ID_MSP3400] = "msp3400",
128 [PVR2_CLIENT_ID_CX25840] = "cx25840",
129 [PVR2_CLIENT_ID_SAA7115] = "saa7115",
130 [PVR2_CLIENT_ID_TUNER] = "tuner",
131 [PVR2_CLIENT_ID_DEMOD] = "tuner",
132 [PVR2_CLIENT_ID_CS53L32A] = "cs53l32a",
133 [PVR2_CLIENT_ID_WM8775] = "wm8775",
134 };
135
136
137 static const unsigned char *module_i2c_addresses[] = {
138 [PVR2_CLIENT_ID_TUNER] = "\x60\x61\x62\x63",
139 [PVR2_CLIENT_ID_DEMOD] = "\x43",
140 [PVR2_CLIENT_ID_MSP3400] = "\x40",
141 [PVR2_CLIENT_ID_SAA7115] = "\x21",
142 [PVR2_CLIENT_ID_WM8775] = "\x1b",
143 [PVR2_CLIENT_ID_CX25840] = "\x44",
144 [PVR2_CLIENT_ID_CS53L32A] = "\x11",
145 };
146
147
148 static const char *ir_scheme_names[] = {
149 [PVR2_IR_SCHEME_NONE] = "none",
150 [PVR2_IR_SCHEME_29XXX] = "29xxx",
151 [PVR2_IR_SCHEME_24XXX] = "24xxx (29xxx emulation)",
152 [PVR2_IR_SCHEME_24XXX_MCE] = "24xxx (MCE device)",
153 [PVR2_IR_SCHEME_ZILOG] = "Zilog",
154 };
155
156
157 /* Define the list of additional controls we'll dynamically construct based
158 on query of the cx2341x module. */
159 struct pvr2_mpeg_ids {
160 const char *strid;
161 int id;
162 };
163 static const struct pvr2_mpeg_ids mpeg_ids[] = {
164 {
165 .strid = "audio_layer",
166 .id = V4L2_CID_MPEG_AUDIO_ENCODING,
167 },{
168 .strid = "audio_bitrate",
169 .id = V4L2_CID_MPEG_AUDIO_L2_BITRATE,
170 },{
171 /* Already using audio_mode elsewhere :-( */
172 .strid = "mpeg_audio_mode",
173 .id = V4L2_CID_MPEG_AUDIO_MODE,
174 },{
175 .strid = "mpeg_audio_mode_extension",
176 .id = V4L2_CID_MPEG_AUDIO_MODE_EXTENSION,
177 },{
178 .strid = "audio_emphasis",
179 .id = V4L2_CID_MPEG_AUDIO_EMPHASIS,
180 },{
181 .strid = "audio_crc",
182 .id = V4L2_CID_MPEG_AUDIO_CRC,
183 },{
184 .strid = "video_aspect",
185 .id = V4L2_CID_MPEG_VIDEO_ASPECT,
186 },{
187 .strid = "video_b_frames",
188 .id = V4L2_CID_MPEG_VIDEO_B_FRAMES,
189 },{
190 .strid = "video_gop_size",
191 .id = V4L2_CID_MPEG_VIDEO_GOP_SIZE,
192 },{
193 .strid = "video_gop_closure",
194 .id = V4L2_CID_MPEG_VIDEO_GOP_CLOSURE,
195 },{
196 .strid = "video_bitrate_mode",
197 .id = V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
198 },{
199 .strid = "video_bitrate",
200 .id = V4L2_CID_MPEG_VIDEO_BITRATE,
201 },{
202 .strid = "video_bitrate_peak",
203 .id = V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
204 },{
205 .strid = "video_temporal_decimation",
206 .id = V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION,
207 },{
208 .strid = "stream_type",
209 .id = V4L2_CID_MPEG_STREAM_TYPE,
210 },{
211 .strid = "video_spatial_filter_mode",
212 .id = V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE,
213 },{
214 .strid = "video_spatial_filter",
215 .id = V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER,
216 },{
217 .strid = "video_luma_spatial_filter_type",
218 .id = V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE,
219 },{
220 .strid = "video_chroma_spatial_filter_type",
221 .id = V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE,
222 },{
223 .strid = "video_temporal_filter_mode",
224 .id = V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE,
225 },{
226 .strid = "video_temporal_filter",
227 .id = V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER,
228 },{
229 .strid = "video_median_filter_type",
230 .id = V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE,
231 },{
232 .strid = "video_luma_median_filter_top",
233 .id = V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP,
234 },{
235 .strid = "video_luma_median_filter_bottom",
236 .id = V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM,
237 },{
238 .strid = "video_chroma_median_filter_top",
239 .id = V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP,
240 },{
241 .strid = "video_chroma_median_filter_bottom",
242 .id = V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM,
243 }
244 };
245 #define MPEGDEF_COUNT ARRAY_SIZE(mpeg_ids)
246
247
248 static const char *control_values_srate[] = {
249 [V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100] = "44.1 kHz",
250 [V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000] = "48 kHz",
251 [V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000] = "32 kHz",
252 };
253
254
255
256 static const char *control_values_input[] = {
257 [PVR2_CVAL_INPUT_TV] = "television", /*xawtv needs this name*/
258 [PVR2_CVAL_INPUT_DTV] = "dtv",
259 [PVR2_CVAL_INPUT_RADIO] = "radio",
260 [PVR2_CVAL_INPUT_SVIDEO] = "s-video",
261 [PVR2_CVAL_INPUT_COMPOSITE] = "composite",
262 };
263
264
265 static const char *control_values_audiomode[] = {
266 [V4L2_TUNER_MODE_MONO] = "Mono",
267 [V4L2_TUNER_MODE_STEREO] = "Stereo",
268 [V4L2_TUNER_MODE_LANG1] = "Lang1",
269 [V4L2_TUNER_MODE_LANG2] = "Lang2",
270 [V4L2_TUNER_MODE_LANG1_LANG2] = "Lang1+Lang2",
271 };
272
273
274 static const char *control_values_hsm[] = {
275 [PVR2_CVAL_HSM_FAIL] = "Fail",
276 [PVR2_CVAL_HSM_HIGH] = "High",
277 [PVR2_CVAL_HSM_FULL] = "Full",
278 };
279
280
281 static const char *pvr2_state_names[] = {
282 [PVR2_STATE_NONE] = "none",
283 [PVR2_STATE_DEAD] = "dead",
284 [PVR2_STATE_COLD] = "cold",
285 [PVR2_STATE_WARM] = "warm",
286 [PVR2_STATE_ERROR] = "error",
287 [PVR2_STATE_READY] = "ready",
288 [PVR2_STATE_RUN] = "run",
289 };
290
291
292 struct pvr2_fx2cmd_descdef {
293 unsigned char id;
294 unsigned char *desc;
295 };
296
297 static const struct pvr2_fx2cmd_descdef pvr2_fx2cmd_desc[] = {
298 {FX2CMD_MEM_WRITE_DWORD, "write encoder dword"},
299 {FX2CMD_MEM_READ_DWORD, "read encoder dword"},
300 {FX2CMD_HCW_ZILOG_RESET, "zilog IR reset control"},
301 {FX2CMD_MEM_READ_64BYTES, "read encoder 64bytes"},
302 {FX2CMD_REG_WRITE, "write encoder register"},
303 {FX2CMD_REG_READ, "read encoder register"},
304 {FX2CMD_MEMSEL, "encoder memsel"},
305 {FX2CMD_I2C_WRITE, "i2c write"},
306 {FX2CMD_I2C_READ, "i2c read"},
307 {FX2CMD_GET_USB_SPEED, "get USB speed"},
308 {FX2CMD_STREAMING_ON, "stream on"},
309 {FX2CMD_STREAMING_OFF, "stream off"},
310 {FX2CMD_FWPOST1, "fwpost1"},
311 {FX2CMD_POWER_OFF, "power off"},
312 {FX2CMD_POWER_ON, "power on"},
313 {FX2CMD_DEEP_RESET, "deep reset"},
314 {FX2CMD_GET_EEPROM_ADDR, "get rom addr"},
315 {FX2CMD_GET_IR_CODE, "get IR code"},
316 {FX2CMD_HCW_DEMOD_RESETIN, "hcw demod resetin"},
317 {FX2CMD_HCW_DTV_STREAMING_ON, "hcw dtv stream on"},
318 {FX2CMD_HCW_DTV_STREAMING_OFF, "hcw dtv stream off"},
319 {FX2CMD_ONAIR_DTV_STREAMING_ON, "onair dtv stream on"},
320 {FX2CMD_ONAIR_DTV_STREAMING_OFF, "onair dtv stream off"},
321 {FX2CMD_ONAIR_DTV_POWER_ON, "onair dtv power on"},
322 {FX2CMD_ONAIR_DTV_POWER_OFF, "onair dtv power off"},
323 };
324
325
326 static int pvr2_hdw_set_input(struct pvr2_hdw *hdw,int v);
327 static void pvr2_hdw_state_sched(struct pvr2_hdw *);
328 static int pvr2_hdw_state_eval(struct pvr2_hdw *);
329 static void pvr2_hdw_set_cur_freq(struct pvr2_hdw *,unsigned long);
330 static void pvr2_hdw_worker_poll(struct work_struct *work);
331 static int pvr2_hdw_wait(struct pvr2_hdw *,int state);
332 static int pvr2_hdw_untrip_unlocked(struct pvr2_hdw *);
333 static void pvr2_hdw_state_log_state(struct pvr2_hdw *);
334 static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl);
335 static int pvr2_hdw_commit_setup(struct pvr2_hdw *hdw);
336 static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw);
337 static void pvr2_hdw_quiescent_timeout(unsigned long);
338 static void pvr2_hdw_decoder_stabilization_timeout(unsigned long);
339 static void pvr2_hdw_encoder_wait_timeout(unsigned long);
340 static void pvr2_hdw_encoder_run_timeout(unsigned long);
341 static int pvr2_issue_simple_cmd(struct pvr2_hdw *,u32);
342 static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
343 unsigned int timeout,int probe_fl,
344 void *write_data,unsigned int write_len,
345 void *read_data,unsigned int read_len);
346 static int pvr2_hdw_check_cropcap(struct pvr2_hdw *hdw);
347 static v4l2_std_id pvr2_hdw_get_detected_std(struct pvr2_hdw *hdw);
348
349 static void trace_stbit(const char *name,int val)
350 {
351 pvr2_trace(PVR2_TRACE_STBITS,
352 "State bit %s <-- %s",
353 name,(val ? "true" : "false"));
354 }
355
356 static int ctrl_channelfreq_get(struct pvr2_ctrl *cptr,int *vp)
357 {
358 struct pvr2_hdw *hdw = cptr->hdw;
359 if ((hdw->freqProgSlot > 0) && (hdw->freqProgSlot <= FREQTABLE_SIZE)) {
360 *vp = hdw->freqTable[hdw->freqProgSlot-1];
361 } else {
362 *vp = 0;
363 }
364 return 0;
365 }
366
367 static int ctrl_channelfreq_set(struct pvr2_ctrl *cptr,int m,int v)
368 {
369 struct pvr2_hdw *hdw = cptr->hdw;
370 unsigned int slotId = hdw->freqProgSlot;
371 if ((slotId > 0) && (slotId <= FREQTABLE_SIZE)) {
372 hdw->freqTable[slotId-1] = v;
373 /* Handle side effects correctly - if we're tuned to this
374 slot, then forgot the slot id relation since the stored
375 frequency has been changed. */
376 if (hdw->freqSelector) {
377 if (hdw->freqSlotRadio == slotId) {
378 hdw->freqSlotRadio = 0;
379 }
380 } else {
381 if (hdw->freqSlotTelevision == slotId) {
382 hdw->freqSlotTelevision = 0;
383 }
384 }
385 }
386 return 0;
387 }
388
389 static int ctrl_channelprog_get(struct pvr2_ctrl *cptr,int *vp)
390 {
391 *vp = cptr->hdw->freqProgSlot;
392 return 0;
393 }
394
395 static int ctrl_channelprog_set(struct pvr2_ctrl *cptr,int m,int v)
396 {
397 struct pvr2_hdw *hdw = cptr->hdw;
398 if ((v >= 0) && (v <= FREQTABLE_SIZE)) {
399 hdw->freqProgSlot = v;
400 }
401 return 0;
402 }
403
404 static int ctrl_channel_get(struct pvr2_ctrl *cptr,int *vp)
405 {
406 struct pvr2_hdw *hdw = cptr->hdw;
407 *vp = hdw->freqSelector ? hdw->freqSlotRadio : hdw->freqSlotTelevision;
408 return 0;
409 }
410
411 static int ctrl_channel_set(struct pvr2_ctrl *cptr,int m,int slotId)
412 {
413 unsigned freq = 0;
414 struct pvr2_hdw *hdw = cptr->hdw;
415 if ((slotId < 0) || (slotId > FREQTABLE_SIZE)) return 0;
416 if (slotId > 0) {
417 freq = hdw->freqTable[slotId-1];
418 if (!freq) return 0;
419 pvr2_hdw_set_cur_freq(hdw,freq);
420 }
421 if (hdw->freqSelector) {
422 hdw->freqSlotRadio = slotId;
423 } else {
424 hdw->freqSlotTelevision = slotId;
425 }
426 return 0;
427 }
428
429 static int ctrl_freq_get(struct pvr2_ctrl *cptr,int *vp)
430 {
431 *vp = pvr2_hdw_get_cur_freq(cptr->hdw);
432 return 0;
433 }
434
435 static int ctrl_freq_is_dirty(struct pvr2_ctrl *cptr)
436 {
437 return cptr->hdw->freqDirty != 0;
438 }
439
440 static void ctrl_freq_clear_dirty(struct pvr2_ctrl *cptr)
441 {
442 cptr->hdw->freqDirty = 0;
443 }
444
445 static int ctrl_freq_set(struct pvr2_ctrl *cptr,int m,int v)
446 {
447 pvr2_hdw_set_cur_freq(cptr->hdw,v);
448 return 0;
449 }
450
451 static int ctrl_cropl_min_get(struct pvr2_ctrl *cptr, int *left)
452 {
453 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
454 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
455 if (stat != 0) {
456 return stat;
457 }
458 *left = cap->bounds.left;
459 return 0;
460 }
461
462 static int ctrl_cropl_max_get(struct pvr2_ctrl *cptr, int *left)
463 {
464 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
465 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
466 if (stat != 0) {
467 return stat;
468 }
469 *left = cap->bounds.left;
470 if (cap->bounds.width > cptr->hdw->cropw_val) {
471 *left += cap->bounds.width - cptr->hdw->cropw_val;
472 }
473 return 0;
474 }
475
476 static int ctrl_cropt_min_get(struct pvr2_ctrl *cptr, int *top)
477 {
478 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
479 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
480 if (stat != 0) {
481 return stat;
482 }
483 *top = cap->bounds.top;
484 return 0;
485 }
486
487 static int ctrl_cropt_max_get(struct pvr2_ctrl *cptr, int *top)
488 {
489 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
490 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
491 if (stat != 0) {
492 return stat;
493 }
494 *top = cap->bounds.top;
495 if (cap->bounds.height > cptr->hdw->croph_val) {
496 *top += cap->bounds.height - cptr->hdw->croph_val;
497 }
498 return 0;
499 }
500
501 static int ctrl_cropw_max_get(struct pvr2_ctrl *cptr, int *width)
502 {
503 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
504 int stat, bleftend, cleft;
505
506 stat = pvr2_hdw_check_cropcap(cptr->hdw);
507 if (stat != 0) {
508 return stat;
509 }
510 bleftend = cap->bounds.left+cap->bounds.width;
511 cleft = cptr->hdw->cropl_val;
512
513 *width = cleft < bleftend ? bleftend-cleft : 0;
514 return 0;
515 }
516
517 static int ctrl_croph_max_get(struct pvr2_ctrl *cptr, int *height)
518 {
519 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
520 int stat, btopend, ctop;
521
522 stat = pvr2_hdw_check_cropcap(cptr->hdw);
523 if (stat != 0) {
524 return stat;
525 }
526 btopend = cap->bounds.top+cap->bounds.height;
527 ctop = cptr->hdw->cropt_val;
528
529 *height = ctop < btopend ? btopend-ctop : 0;
530 return 0;
531 }
532
533 static int ctrl_get_cropcapbl(struct pvr2_ctrl *cptr, int *val)
534 {
535 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
536 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
537 if (stat != 0) {
538 return stat;
539 }
540 *val = cap->bounds.left;
541 return 0;
542 }
543
544 static int ctrl_get_cropcapbt(struct pvr2_ctrl *cptr, int *val)
545 {
546 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
547 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
548 if (stat != 0) {
549 return stat;
550 }
551 *val = cap->bounds.top;
552 return 0;
553 }
554
555 static int ctrl_get_cropcapbw(struct pvr2_ctrl *cptr, int *val)
556 {
557 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
558 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
559 if (stat != 0) {
560 return stat;
561 }
562 *val = cap->bounds.width;
563 return 0;
564 }
565
566 static int ctrl_get_cropcapbh(struct pvr2_ctrl *cptr, int *val)
567 {
568 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
569 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
570 if (stat != 0) {
571 return stat;
572 }
573 *val = cap->bounds.height;
574 return 0;
575 }
576
577 static int ctrl_get_cropcapdl(struct pvr2_ctrl *cptr, int *val)
578 {
579 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
580 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
581 if (stat != 0) {
582 return stat;
583 }
584 *val = cap->defrect.left;
585 return 0;
586 }
587
588 static int ctrl_get_cropcapdt(struct pvr2_ctrl *cptr, int *val)
589 {
590 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
591 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
592 if (stat != 0) {
593 return stat;
594 }
595 *val = cap->defrect.top;
596 return 0;
597 }
598
599 static int ctrl_get_cropcapdw(struct pvr2_ctrl *cptr, int *val)
600 {
601 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
602 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
603 if (stat != 0) {
604 return stat;
605 }
606 *val = cap->defrect.width;
607 return 0;
608 }
609
610 static int ctrl_get_cropcapdh(struct pvr2_ctrl *cptr, int *val)
611 {
612 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
613 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
614 if (stat != 0) {
615 return stat;
616 }
617 *val = cap->defrect.height;
618 return 0;
619 }
620
621 static int ctrl_get_cropcappan(struct pvr2_ctrl *cptr, int *val)
622 {
623 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
624 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
625 if (stat != 0) {
626 return stat;
627 }
628 *val = cap->pixelaspect.numerator;
629 return 0;
630 }
631
632 static int ctrl_get_cropcappad(struct pvr2_ctrl *cptr, int *val)
633 {
634 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
635 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
636 if (stat != 0) {
637 return stat;
638 }
639 *val = cap->pixelaspect.denominator;
640 return 0;
641 }
642
643 static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp)
644 {
645 /* Actual maximum depends on the video standard in effect. */
646 if (cptr->hdw->std_mask_cur & V4L2_STD_525_60) {
647 *vp = 480;
648 } else {
649 *vp = 576;
650 }
651 return 0;
652 }
653
654 static int ctrl_vres_min_get(struct pvr2_ctrl *cptr,int *vp)
655 {
656 /* Actual minimum depends on device digitizer type. */
657 if (cptr->hdw->hdw_desc->flag_has_cx25840) {
658 *vp = 75;
659 } else {
660 *vp = 17;
661 }
662 return 0;
663 }
664
665 static int ctrl_get_input(struct pvr2_ctrl *cptr,int *vp)
666 {
667 *vp = cptr->hdw->input_val;
668 return 0;
669 }
670
671 static int ctrl_check_input(struct pvr2_ctrl *cptr,int v)
672 {
673 return ((1 << v) & cptr->hdw->input_allowed_mask) != 0;
674 }
675
676 static int ctrl_set_input(struct pvr2_ctrl *cptr,int m,int v)
677 {
678 return pvr2_hdw_set_input(cptr->hdw,v);
679 }
680
681 static int ctrl_isdirty_input(struct pvr2_ctrl *cptr)
682 {
683 return cptr->hdw->input_dirty != 0;
684 }
685
686 static void ctrl_cleardirty_input(struct pvr2_ctrl *cptr)
687 {
688 cptr->hdw->input_dirty = 0;
689 }
690
691
692 static int ctrl_freq_max_get(struct pvr2_ctrl *cptr, int *vp)
693 {
694 unsigned long fv;
695 struct pvr2_hdw *hdw = cptr->hdw;
696 if (hdw->tuner_signal_stale) {
697 pvr2_hdw_status_poll(hdw);
698 }
699 fv = hdw->tuner_signal_info.rangehigh;
700 if (!fv) {
701 /* Safety fallback */
702 *vp = TV_MAX_FREQ;
703 return 0;
704 }
705 if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
706 fv = (fv * 125) / 2;
707 } else {
708 fv = fv * 62500;
709 }
710 *vp = fv;
711 return 0;
712 }
713
714 static int ctrl_freq_min_get(struct pvr2_ctrl *cptr, int *vp)
715 {
716 unsigned long fv;
717 struct pvr2_hdw *hdw = cptr->hdw;
718 if (hdw->tuner_signal_stale) {
719 pvr2_hdw_status_poll(hdw);
720 }
721 fv = hdw->tuner_signal_info.rangelow;
722 if (!fv) {
723 /* Safety fallback */
724 *vp = TV_MIN_FREQ;
725 return 0;
726 }
727 if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
728 fv = (fv * 125) / 2;
729 } else {
730 fv = fv * 62500;
731 }
732 *vp = fv;
733 return 0;
734 }
735
736 static int ctrl_cx2341x_is_dirty(struct pvr2_ctrl *cptr)
737 {
738 return cptr->hdw->enc_stale != 0;
739 }
740
741 static void ctrl_cx2341x_clear_dirty(struct pvr2_ctrl *cptr)
742 {
743 cptr->hdw->enc_stale = 0;
744 cptr->hdw->enc_unsafe_stale = 0;
745 }
746
747 static int ctrl_cx2341x_get(struct pvr2_ctrl *cptr,int *vp)
748 {
749 int ret;
750 struct v4l2_ext_controls cs;
751 struct v4l2_ext_control c1;
752 memset(&cs,0,sizeof(cs));
753 memset(&c1,0,sizeof(c1));
754 cs.controls = &c1;
755 cs.count = 1;
756 c1.id = cptr->info->v4l_id;
757 ret = cx2341x_ext_ctrls(&cptr->hdw->enc_ctl_state, 0, &cs,
758 VIDIOC_G_EXT_CTRLS);
759 if (ret) return ret;
760 *vp = c1.value;
761 return 0;
762 }
763
764 static int ctrl_cx2341x_set(struct pvr2_ctrl *cptr,int m,int v)
765 {
766 int ret;
767 struct pvr2_hdw *hdw = cptr->hdw;
768 struct v4l2_ext_controls cs;
769 struct v4l2_ext_control c1;
770 memset(&cs,0,sizeof(cs));
771 memset(&c1,0,sizeof(c1));
772 cs.controls = &c1;
773 cs.count = 1;
774 c1.id = cptr->info->v4l_id;
775 c1.value = v;
776 ret = cx2341x_ext_ctrls(&hdw->enc_ctl_state,
777 hdw->state_encoder_run, &cs,
778 VIDIOC_S_EXT_CTRLS);
779 if (ret == -EBUSY) {
780 /* Oops. cx2341x is telling us it's not safe to change
781 this control while we're capturing. Make a note of this
782 fact so that the pipeline will be stopped the next time
783 controls are committed. Then go on ahead and store this
784 change anyway. */
785 ret = cx2341x_ext_ctrls(&hdw->enc_ctl_state,
786 0, &cs,
787 VIDIOC_S_EXT_CTRLS);
788 if (!ret) hdw->enc_unsafe_stale = !0;
789 }
790 if (ret) return ret;
791 hdw->enc_stale = !0;
792 return 0;
793 }
794
795 static unsigned int ctrl_cx2341x_getv4lflags(struct pvr2_ctrl *cptr)
796 {
797 struct v4l2_queryctrl qctrl;
798 struct pvr2_ctl_info *info;
799 qctrl.id = cptr->info->v4l_id;
800 cx2341x_ctrl_query(&cptr->hdw->enc_ctl_state,&qctrl);
801 /* Strip out the const so we can adjust a function pointer. It's
802 OK to do this here because we know this is a dynamically created
803 control, so the underlying storage for the info pointer is (a)
804 private to us, and (b) not in read-only storage. Either we do
805 this or we significantly complicate the underlying control
806 implementation. */
807 info = (struct pvr2_ctl_info *)(cptr->info);
808 if (qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY) {
809 if (info->set_value) {
810 info->set_value = NULL;
811 }
812 } else {
813 if (!(info->set_value)) {
814 info->set_value = ctrl_cx2341x_set;
815 }
816 }
817 return qctrl.flags;
818 }
819
820 static int ctrl_streamingenabled_get(struct pvr2_ctrl *cptr,int *vp)
821 {
822 *vp = cptr->hdw->state_pipeline_req;
823 return 0;
824 }
825
826 static int ctrl_masterstate_get(struct pvr2_ctrl *cptr,int *vp)
827 {
828 *vp = cptr->hdw->master_state;
829 return 0;
830 }
831
832 static int ctrl_hsm_get(struct pvr2_ctrl *cptr,int *vp)
833 {
834 int result = pvr2_hdw_is_hsm(cptr->hdw);
835 *vp = PVR2_CVAL_HSM_FULL;
836 if (result < 0) *vp = PVR2_CVAL_HSM_FAIL;
837 if (result) *vp = PVR2_CVAL_HSM_HIGH;
838 return 0;
839 }
840
841 static int ctrl_stddetect_get(struct pvr2_ctrl *cptr, int *vp)
842 {
843 *vp = pvr2_hdw_get_detected_std(cptr->hdw);
844 return 0;
845 }
846
847 static int ctrl_stdavail_get(struct pvr2_ctrl *cptr,int *vp)
848 {
849 *vp = cptr->hdw->std_mask_avail;
850 return 0;
851 }
852
853 static int ctrl_stdavail_set(struct pvr2_ctrl *cptr,int m,int v)
854 {
855 struct pvr2_hdw *hdw = cptr->hdw;
856 v4l2_std_id ns;
857 ns = hdw->std_mask_avail;
858 ns = (ns & ~m) | (v & m);
859 if (ns == hdw->std_mask_avail) return 0;
860 hdw->std_mask_avail = ns;
861 hdw->std_info_cur.def.type_bitmask.valid_bits = hdw->std_mask_avail;
862 return 0;
863 }
864
865 static int ctrl_std_val_to_sym(struct pvr2_ctrl *cptr,int msk,int val,
866 char *bufPtr,unsigned int bufSize,
867 unsigned int *len)
868 {
869 *len = pvr2_std_id_to_str(bufPtr,bufSize,msk & val);
870 return 0;
871 }
872
873 static int ctrl_std_sym_to_val(struct pvr2_ctrl *cptr,
874 const char *bufPtr,unsigned int bufSize,
875 int *mskp,int *valp)
876 {
877 int ret;
878 v4l2_std_id id;
879 ret = pvr2_std_str_to_id(&id,bufPtr,bufSize);
880 if (ret < 0) return ret;
881 if (mskp) *mskp = id;
882 if (valp) *valp = id;
883 return 0;
884 }
885
886 static int ctrl_stdcur_get(struct pvr2_ctrl *cptr,int *vp)
887 {
888 *vp = cptr->hdw->std_mask_cur;
889 return 0;
890 }
891
892 static int ctrl_stdcur_set(struct pvr2_ctrl *cptr,int m,int v)
893 {
894 struct pvr2_hdw *hdw = cptr->hdw;
895 v4l2_std_id ns;
896 ns = hdw->std_mask_cur;
897 ns = (ns & ~m) | (v & m);
898 if (ns == hdw->std_mask_cur) return 0;
899 hdw->std_mask_cur = ns;
900 hdw->std_dirty = !0;
901 return 0;
902 }
903
904 static int ctrl_stdcur_is_dirty(struct pvr2_ctrl *cptr)
905 {
906 return cptr->hdw->std_dirty != 0;
907 }
908
909 static void ctrl_stdcur_clear_dirty(struct pvr2_ctrl *cptr)
910 {
911 cptr->hdw->std_dirty = 0;
912 }
913
914 static int ctrl_signal_get(struct pvr2_ctrl *cptr,int *vp)
915 {
916 struct pvr2_hdw *hdw = cptr->hdw;
917 pvr2_hdw_status_poll(hdw);
918 *vp = hdw->tuner_signal_info.signal;
919 return 0;
920 }
921
922 static int ctrl_audio_modes_present_get(struct pvr2_ctrl *cptr,int *vp)
923 {
924 int val = 0;
925 unsigned int subchan;
926 struct pvr2_hdw *hdw = cptr->hdw;
927 pvr2_hdw_status_poll(hdw);
928 subchan = hdw->tuner_signal_info.rxsubchans;
929 if (subchan & V4L2_TUNER_SUB_MONO) {
930 val |= (1 << V4L2_TUNER_MODE_MONO);
931 }
932 if (subchan & V4L2_TUNER_SUB_STEREO) {
933 val |= (1 << V4L2_TUNER_MODE_STEREO);
934 }
935 if (subchan & V4L2_TUNER_SUB_LANG1) {
936 val |= (1 << V4L2_TUNER_MODE_LANG1);
937 }
938 if (subchan & V4L2_TUNER_SUB_LANG2) {
939 val |= (1 << V4L2_TUNER_MODE_LANG2);
940 }
941 *vp = val;
942 return 0;
943 }
944
945
946 #define DEFINT(vmin,vmax) \
947 .type = pvr2_ctl_int, \
948 .def.type_int.min_value = vmin, \
949 .def.type_int.max_value = vmax
950
951 #define DEFENUM(tab) \
952 .type = pvr2_ctl_enum, \
953 .def.type_enum.count = ARRAY_SIZE(tab), \
954 .def.type_enum.value_names = tab
955
956 #define DEFBOOL \
957 .type = pvr2_ctl_bool
958
959 #define DEFMASK(msk,tab) \
960 .type = pvr2_ctl_bitmask, \
961 .def.type_bitmask.valid_bits = msk, \
962 .def.type_bitmask.bit_names = tab
963
964 #define DEFREF(vname) \
965 .set_value = ctrl_set_##vname, \
966 .get_value = ctrl_get_##vname, \
967 .is_dirty = ctrl_isdirty_##vname, \
968 .clear_dirty = ctrl_cleardirty_##vname
969
970
971 #define VCREATE_FUNCS(vname) \
972 static int ctrl_get_##vname(struct pvr2_ctrl *cptr,int *vp) \
973 {*vp = cptr->hdw->vname##_val; return 0;} \
974 static int ctrl_set_##vname(struct pvr2_ctrl *cptr,int m,int v) \
975 {cptr->hdw->vname##_val = v; cptr->hdw->vname##_dirty = !0; return 0;} \
976 static int ctrl_isdirty_##vname(struct pvr2_ctrl *cptr) \
977 {return cptr->hdw->vname##_dirty != 0;} \
978 static void ctrl_cleardirty_##vname(struct pvr2_ctrl *cptr) \
979 {cptr->hdw->vname##_dirty = 0;}
980
981 VCREATE_FUNCS(brightness)
982 VCREATE_FUNCS(contrast)
983 VCREATE_FUNCS(saturation)
984 VCREATE_FUNCS(hue)
985 VCREATE_FUNCS(volume)
986 VCREATE_FUNCS(balance)
987 VCREATE_FUNCS(bass)
988 VCREATE_FUNCS(treble)
989 VCREATE_FUNCS(mute)
990 VCREATE_FUNCS(cropl)
991 VCREATE_FUNCS(cropt)
992 VCREATE_FUNCS(cropw)
993 VCREATE_FUNCS(croph)
994 VCREATE_FUNCS(audiomode)
995 VCREATE_FUNCS(res_hor)
996 VCREATE_FUNCS(res_ver)
997 VCREATE_FUNCS(srate)
998
999 /* Table definition of all controls which can be manipulated */
1000 static const struct pvr2_ctl_info control_defs[] = {
1001 {
1002 .v4l_id = V4L2_CID_BRIGHTNESS,
1003 .desc = "Brightness",
1004 .name = "brightness",
1005 .default_value = 128,
1006 DEFREF(brightness),
1007 DEFINT(0,255),
1008 },{
1009 .v4l_id = V4L2_CID_CONTRAST,
1010 .desc = "Contrast",
1011 .name = "contrast",
1012 .default_value = 68,
1013 DEFREF(contrast),
1014 DEFINT(0,127),
1015 },{
1016 .v4l_id = V4L2_CID_SATURATION,
1017 .desc = "Saturation",
1018 .name = "saturation",
1019 .default_value = 64,
1020 DEFREF(saturation),
1021 DEFINT(0,127),
1022 },{
1023 .v4l_id = V4L2_CID_HUE,
1024 .desc = "Hue",
1025 .name = "hue",
1026 .default_value = 0,
1027 DEFREF(hue),
1028 DEFINT(-128,127),
1029 },{
1030 .v4l_id = V4L2_CID_AUDIO_VOLUME,
1031 .desc = "Volume",
1032 .name = "volume",
1033 .default_value = 62000,
1034 DEFREF(volume),
1035 DEFINT(0,65535),
1036 },{
1037 .v4l_id = V4L2_CID_AUDIO_BALANCE,
1038 .desc = "Balance",
1039 .name = "balance",
1040 .default_value = 0,
1041 DEFREF(balance),
1042 DEFINT(-32768,32767),
1043 },{
1044 .v4l_id = V4L2_CID_AUDIO_BASS,
1045 .desc = "Bass",
1046 .name = "bass",
1047 .default_value = 0,
1048 DEFREF(bass),
1049 DEFINT(-32768,32767),
1050 },{
1051 .v4l_id = V4L2_CID_AUDIO_TREBLE,
1052 .desc = "Treble",
1053 .name = "treble",
1054 .default_value = 0,
1055 DEFREF(treble),
1056 DEFINT(-32768,32767),
1057 },{
1058 .v4l_id = V4L2_CID_AUDIO_MUTE,
1059 .desc = "Mute",
1060 .name = "mute",
1061 .default_value = 0,
1062 DEFREF(mute),
1063 DEFBOOL,
1064 }, {
1065 .desc = "Capture crop left margin",
1066 .name = "crop_left",
1067 .internal_id = PVR2_CID_CROPL,
1068 .default_value = 0,
1069 DEFREF(cropl),
1070 DEFINT(-129, 340),
1071 .get_min_value = ctrl_cropl_min_get,
1072 .get_max_value = ctrl_cropl_max_get,
1073 .get_def_value = ctrl_get_cropcapdl,
1074 }, {
1075 .desc = "Capture crop top margin",
1076 .name = "crop_top",
1077 .internal_id = PVR2_CID_CROPT,
1078 .default_value = 0,
1079 DEFREF(cropt),
1080 DEFINT(-35, 544),
1081 .get_min_value = ctrl_cropt_min_get,
1082 .get_max_value = ctrl_cropt_max_get,
1083 .get_def_value = ctrl_get_cropcapdt,
1084 }, {
1085 .desc = "Capture crop width",
1086 .name = "crop_width",
1087 .internal_id = PVR2_CID_CROPW,
1088 .default_value = 720,
1089 DEFREF(cropw),
1090 DEFINT(0, 864),
1091 .get_max_value = ctrl_cropw_max_get,
1092 .get_def_value = ctrl_get_cropcapdw,
1093 }, {
1094 .desc = "Capture crop height",
1095 .name = "crop_height",
1096 .internal_id = PVR2_CID_CROPH,
1097 .default_value = 480,
1098 DEFREF(croph),
1099 DEFINT(0, 576),
1100 .get_max_value = ctrl_croph_max_get,
1101 .get_def_value = ctrl_get_cropcapdh,
1102 }, {
1103 .desc = "Capture capability pixel aspect numerator",
1104 .name = "cropcap_pixel_numerator",
1105 .internal_id = PVR2_CID_CROPCAPPAN,
1106 .get_value = ctrl_get_cropcappan,
1107 }, {
1108 .desc = "Capture capability pixel aspect denominator",
1109 .name = "cropcap_pixel_denominator",
1110 .internal_id = PVR2_CID_CROPCAPPAD,
1111 .get_value = ctrl_get_cropcappad,
1112 }, {
1113 .desc = "Capture capability bounds top",
1114 .name = "cropcap_bounds_top",
1115 .internal_id = PVR2_CID_CROPCAPBT,
1116 .get_value = ctrl_get_cropcapbt,
1117 }, {
1118 .desc = "Capture capability bounds left",
1119 .name = "cropcap_bounds_left",
1120 .internal_id = PVR2_CID_CROPCAPBL,
1121 .get_value = ctrl_get_cropcapbl,
1122 }, {
1123 .desc = "Capture capability bounds width",
1124 .name = "cropcap_bounds_width",
1125 .internal_id = PVR2_CID_CROPCAPBW,
1126 .get_value = ctrl_get_cropcapbw,
1127 }, {
1128 .desc = "Capture capability bounds height",
1129 .name = "cropcap_bounds_height",
1130 .internal_id = PVR2_CID_CROPCAPBH,
1131 .get_value = ctrl_get_cropcapbh,
1132 },{
1133 .desc = "Video Source",
1134 .name = "input",
1135 .internal_id = PVR2_CID_INPUT,
1136 .default_value = PVR2_CVAL_INPUT_TV,
1137 .check_value = ctrl_check_input,
1138 DEFREF(input),
1139 DEFENUM(control_values_input),
1140 },{
1141 .desc = "Audio Mode",
1142 .name = "audio_mode",
1143 .internal_id = PVR2_CID_AUDIOMODE,
1144 .default_value = V4L2_TUNER_MODE_STEREO,
1145 DEFREF(audiomode),
1146 DEFENUM(control_values_audiomode),
1147 },{
1148 .desc = "Horizontal capture resolution",
1149 .name = "resolution_hor",
1150 .internal_id = PVR2_CID_HRES,
1151 .default_value = 720,
1152 DEFREF(res_hor),
1153 DEFINT(19,720),
1154 },{
1155 .desc = "Vertical capture resolution",
1156 .name = "resolution_ver",
1157 .internal_id = PVR2_CID_VRES,
1158 .default_value = 480,
1159 DEFREF(res_ver),
1160 DEFINT(17,576),
1161 /* Hook in check for video standard and adjust maximum
1162 depending on the standard. */
1163 .get_max_value = ctrl_vres_max_get,
1164 .get_min_value = ctrl_vres_min_get,
1165 },{
1166 .v4l_id = V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
1167 .default_value = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000,
1168 .desc = "Audio Sampling Frequency",
1169 .name = "srate",
1170 DEFREF(srate),
1171 DEFENUM(control_values_srate),
1172 },{
1173 .desc = "Tuner Frequency (Hz)",
1174 .name = "frequency",
1175 .internal_id = PVR2_CID_FREQUENCY,
1176 .default_value = 0,
1177 .set_value = ctrl_freq_set,
1178 .get_value = ctrl_freq_get,
1179 .is_dirty = ctrl_freq_is_dirty,
1180 .clear_dirty = ctrl_freq_clear_dirty,
1181 DEFINT(0,0),
1182 /* Hook in check for input value (tv/radio) and adjust
1183 max/min values accordingly */
1184 .get_max_value = ctrl_freq_max_get,
1185 .get_min_value = ctrl_freq_min_get,
1186 },{
1187 .desc = "Channel",
1188 .name = "channel",
1189 .set_value = ctrl_channel_set,
1190 .get_value = ctrl_channel_get,
1191 DEFINT(0,FREQTABLE_SIZE),
1192 },{
1193 .desc = "Channel Program Frequency",
1194 .name = "freq_table_value",
1195 .set_value = ctrl_channelfreq_set,
1196 .get_value = ctrl_channelfreq_get,
1197 DEFINT(0,0),
1198 /* Hook in check for input value (tv/radio) and adjust
1199 max/min values accordingly */
1200 .get_max_value = ctrl_freq_max_get,
1201 .get_min_value = ctrl_freq_min_get,
1202 },{
1203 .desc = "Channel Program ID",
1204 .name = "freq_table_channel",
1205 .set_value = ctrl_channelprog_set,
1206 .get_value = ctrl_channelprog_get,
1207 DEFINT(0,FREQTABLE_SIZE),
1208 },{
1209 .desc = "Streaming Enabled",
1210 .name = "streaming_enabled",
1211 .get_value = ctrl_streamingenabled_get,
1212 DEFBOOL,
1213 },{
1214 .desc = "USB Speed",
1215 .name = "usb_speed",
1216 .get_value = ctrl_hsm_get,
1217 DEFENUM(control_values_hsm),
1218 },{
1219 .desc = "Master State",
1220 .name = "master_state",
1221 .get_value = ctrl_masterstate_get,
1222 DEFENUM(pvr2_state_names),
1223 },{
1224 .desc = "Signal Present",
1225 .name = "signal_present",
1226 .get_value = ctrl_signal_get,
1227 DEFINT(0,65535),
1228 },{
1229 .desc = "Audio Modes Present",
1230 .name = "audio_modes_present",
1231 .get_value = ctrl_audio_modes_present_get,
1232 /* For this type we "borrow" the V4L2_TUNER_MODE enum from
1233 v4l. Nothing outside of this module cares about this,
1234 but I reuse it in order to also reuse the
1235 control_values_audiomode string table. */
1236 DEFMASK(((1 << V4L2_TUNER_MODE_MONO)|
1237 (1 << V4L2_TUNER_MODE_STEREO)|
1238 (1 << V4L2_TUNER_MODE_LANG1)|
1239 (1 << V4L2_TUNER_MODE_LANG2)),
1240 control_values_audiomode),
1241 },{
1242 .desc = "Video Standards Available Mask",
1243 .name = "video_standard_mask_available",
1244 .internal_id = PVR2_CID_STDAVAIL,
1245 .skip_init = !0,
1246 .get_value = ctrl_stdavail_get,
1247 .set_value = ctrl_stdavail_set,
1248 .val_to_sym = ctrl_std_val_to_sym,
1249 .sym_to_val = ctrl_std_sym_to_val,
1250 .type = pvr2_ctl_bitmask,
1251 },{
1252 .desc = "Video Standards In Use Mask",
1253 .name = "video_standard_mask_active",
1254 .internal_id = PVR2_CID_STDCUR,
1255 .skip_init = !0,
1256 .get_value = ctrl_stdcur_get,
1257 .set_value = ctrl_stdcur_set,
1258 .is_dirty = ctrl_stdcur_is_dirty,
1259 .clear_dirty = ctrl_stdcur_clear_dirty,
1260 .val_to_sym = ctrl_std_val_to_sym,
1261 .sym_to_val = ctrl_std_sym_to_val,
1262 .type = pvr2_ctl_bitmask,
1263 },{
1264 .desc = "Video Standards Detected Mask",
1265 .name = "video_standard_mask_detected",
1266 .internal_id = PVR2_CID_STDDETECT,
1267 .skip_init = !0,
1268 .get_value = ctrl_stddetect_get,
1269 .val_to_sym = ctrl_std_val_to_sym,
1270 .sym_to_val = ctrl_std_sym_to_val,
1271 .type = pvr2_ctl_bitmask,
1272 }
1273 };
1274
1275 #define CTRLDEF_COUNT ARRAY_SIZE(control_defs)
1276
1277
1278 const char *pvr2_config_get_name(enum pvr2_config cfg)
1279 {
1280 switch (cfg) {
1281 case pvr2_config_empty: return "empty";
1282 case pvr2_config_mpeg: return "mpeg";
1283 case pvr2_config_vbi: return "vbi";
1284 case pvr2_config_pcm: return "pcm";
1285 case pvr2_config_rawvideo: return "raw video";
1286 }
1287 return "<unknown>";
1288 }
1289
1290
1291 struct usb_device *pvr2_hdw_get_dev(struct pvr2_hdw *hdw)
1292 {
1293 return hdw->usb_dev;
1294 }
1295
1296
1297 unsigned long pvr2_hdw_get_sn(struct pvr2_hdw *hdw)
1298 {
1299 return hdw->serial_number;
1300 }
1301
1302
1303 const char *pvr2_hdw_get_bus_info(struct pvr2_hdw *hdw)
1304 {
1305 return hdw->bus_info;
1306 }
1307
1308
1309 const char *pvr2_hdw_get_device_identifier(struct pvr2_hdw *hdw)
1310 {
1311 return hdw->identifier;
1312 }
1313
1314
1315 unsigned long pvr2_hdw_get_cur_freq(struct pvr2_hdw *hdw)
1316 {
1317 return hdw->freqSelector ? hdw->freqValTelevision : hdw->freqValRadio;
1318 }
1319
1320 /* Set the currently tuned frequency and account for all possible
1321 driver-core side effects of this action. */
1322 static void pvr2_hdw_set_cur_freq(struct pvr2_hdw *hdw,unsigned long val)
1323 {
1324 if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
1325 if (hdw->freqSelector) {
1326 /* Swing over to radio frequency selection */
1327 hdw->freqSelector = 0;
1328 hdw->freqDirty = !0;
1329 }
1330 if (hdw->freqValRadio != val) {
1331 hdw->freqValRadio = val;
1332 hdw->freqSlotRadio = 0;
1333 hdw->freqDirty = !0;
1334 }
1335 } else {
1336 if (!(hdw->freqSelector)) {
1337 /* Swing over to television frequency selection */
1338 hdw->freqSelector = 1;
1339 hdw->freqDirty = !0;
1340 }
1341 if (hdw->freqValTelevision != val) {
1342 hdw->freqValTelevision = val;
1343 hdw->freqSlotTelevision = 0;
1344 hdw->freqDirty = !0;
1345 }
1346 }
1347 }
1348
1349 int pvr2_hdw_get_unit_number(struct pvr2_hdw *hdw)
1350 {
1351 return hdw->unit_number;
1352 }
1353
1354
1355 /* Attempt to locate one of the given set of files. Messages are logged
1356 appropriate to what has been found. The return value will be 0 or
1357 greater on success (it will be the index of the file name found) and
1358 fw_entry will be filled in. Otherwise a negative error is returned on
1359 failure. If the return value is -ENOENT then no viable firmware file
1360 could be located. */
1361 static int pvr2_locate_firmware(struct pvr2_hdw *hdw,
1362 const struct firmware **fw_entry,
1363 const char *fwtypename,
1364 unsigned int fwcount,
1365 const char *fwnames[])
1366 {
1367 unsigned int idx;
1368 int ret = -EINVAL;
1369 for (idx = 0; idx < fwcount; idx++) {
1370 ret = request_firmware(fw_entry,
1371 fwnames[idx],
1372 &hdw->usb_dev->dev);
1373 if (!ret) {
1374 trace_firmware("Located %s firmware: %s;"
1375 " uploading...",
1376 fwtypename,
1377 fwnames[idx]);
1378 return idx;
1379 }
1380 if (ret == -ENOENT) continue;
1381 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1382 "request_firmware fatal error with code=%d",ret);
1383 return ret;
1384 }
1385 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1386 "***WARNING***"
1387 " Device %s firmware"
1388 " seems to be missing.",
1389 fwtypename);
1390 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1391 "Did you install the pvrusb2 firmware files"
1392 " in their proper location?");
1393 if (fwcount == 1) {
1394 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1395 "request_firmware unable to locate %s file %s",
1396 fwtypename,fwnames[0]);
1397 } else {
1398 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1399 "request_firmware unable to locate"
1400 " one of the following %s files:",
1401 fwtypename);
1402 for (idx = 0; idx < fwcount; idx++) {
1403 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1404 "request_firmware: Failed to find %s",
1405 fwnames[idx]);
1406 }
1407 }
1408 return ret;
1409 }
1410
1411
1412 /*
1413 * pvr2_upload_firmware1().
1414 *
1415 * Send the 8051 firmware to the device. After the upload, arrange for
1416 * device to re-enumerate.
1417 *
1418 * NOTE : the pointer to the firmware data given by request_firmware()
1419 * is not suitable for an usb transaction.
1420 *
1421 */
1422 static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
1423 {
1424 const struct firmware *fw_entry = NULL;
1425 void *fw_ptr;
1426 unsigned int pipe;
1427 unsigned int fwsize;
1428 int ret;
1429 u16 address;
1430
1431 if (!hdw->hdw_desc->fx2_firmware.cnt) {
1432 hdw->fw1_state = FW1_STATE_OK;
1433 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1434 "Connected device type defines"
1435 " no firmware to upload; ignoring firmware");
1436 return -ENOTTY;
1437 }
1438
1439 hdw->fw1_state = FW1_STATE_FAILED; // default result
1440
1441 trace_firmware("pvr2_upload_firmware1");
1442
1443 ret = pvr2_locate_firmware(hdw,&fw_entry,"fx2 controller",
1444 hdw->hdw_desc->fx2_firmware.cnt,
1445 hdw->hdw_desc->fx2_firmware.lst);
1446 if (ret < 0) {
1447 if (ret == -ENOENT) hdw->fw1_state = FW1_STATE_MISSING;
1448 return ret;
1449 }
1450
1451 usb_clear_halt(hdw->usb_dev, usb_sndbulkpipe(hdw->usb_dev, 0 & 0x7f));
1452
1453 pipe = usb_sndctrlpipe(hdw->usb_dev, 0);
1454 fwsize = fw_entry->size;
1455
1456 if ((fwsize != 0x2000) &&
1457 (!(hdw->hdw_desc->flag_fx2_16kb && (fwsize == 0x4000)))) {
1458 if (hdw->hdw_desc->flag_fx2_16kb) {
1459 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1460 "Wrong fx2 firmware size"
1461 " (expected 8192 or 16384, got %u)",
1462 fwsize);
1463 } else {
1464 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1465 "Wrong fx2 firmware size"
1466 " (expected 8192, got %u)",
1467 fwsize);
1468 }
1469 release_firmware(fw_entry);
1470 return -ENOMEM;
1471 }
1472
1473 fw_ptr = kmalloc(0x800, GFP_KERNEL);
1474 if (fw_ptr == NULL){
1475 release_firmware(fw_entry);
1476 return -ENOMEM;
1477 }
1478
1479 /* We have to hold the CPU during firmware upload. */
1480 pvr2_hdw_cpureset_assert(hdw,1);
1481
1482 /* upload the firmware to address 0000-1fff in 2048 (=0x800) bytes
1483 chunk. */
1484
1485 ret = 0;
1486 for (address = 0; address < fwsize; address += 0x800) {
1487 memcpy(fw_ptr, fw_entry->data + address, 0x800);
1488 ret += usb_control_msg(hdw->usb_dev, pipe, 0xa0, 0x40, address,
1489 0, fw_ptr, 0x800, HZ);
1490 }
1491
1492 trace_firmware("Upload done, releasing device's CPU");
1493
1494 /* Now release the CPU. It will disconnect and reconnect later. */
1495 pvr2_hdw_cpureset_assert(hdw,0);
1496
1497 kfree(fw_ptr);
1498 release_firmware(fw_entry);
1499
1500 trace_firmware("Upload done (%d bytes sent)",ret);
1501
1502 /* We should have written fwsize bytes */
1503 if (ret == fwsize) {
1504 hdw->fw1_state = FW1_STATE_RELOAD;
1505 return 0;
1506 }
1507
1508 return -EIO;
1509 }
1510
1511
1512 /*
1513 * pvr2_upload_firmware2()
1514 *
1515 * This uploads encoder firmware on endpoint 2.
1516 *
1517 */
1518
1519 int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
1520 {
1521 const struct firmware *fw_entry = NULL;
1522 void *fw_ptr;
1523 unsigned int pipe, fw_len, fw_done, bcnt, icnt;
1524 int actual_length;
1525 int ret = 0;
1526 int fwidx;
1527 static const char *fw_files[] = {
1528 CX2341X_FIRM_ENC_FILENAME,
1529 };
1530
1531 if (hdw->hdw_desc->flag_skip_cx23416_firmware) {
1532 return 0;
1533 }
1534
1535 trace_firmware("pvr2_upload_firmware2");
1536
1537 ret = pvr2_locate_firmware(hdw,&fw_entry,"encoder",
1538 ARRAY_SIZE(fw_files), fw_files);
1539 if (ret < 0) return ret;
1540 fwidx = ret;
1541 ret = 0;
1542 /* Since we're about to completely reinitialize the encoder,
1543 invalidate our cached copy of its configuration state. Next
1544 time we configure the encoder, then we'll fully configure it. */
1545 hdw->enc_cur_valid = 0;
1546
1547 /* Encoder is about to be reset so note that as far as we're
1548 concerned now, the encoder has never been run. */
1549 del_timer_sync(&hdw->encoder_run_timer);
1550 if (hdw->state_encoder_runok) {
1551 hdw->state_encoder_runok = 0;
1552 trace_stbit("state_encoder_runok",hdw->state_encoder_runok);
1553 }
1554
1555 /* First prepare firmware loading */
1556 ret |= pvr2_write_register(hdw, 0x0048, 0xffffffff); /*interrupt mask*/
1557 ret |= pvr2_hdw_gpio_chg_dir(hdw,0xffffffff,0x00000088); /*gpio dir*/
1558 ret |= pvr2_hdw_gpio_chg_out(hdw,0xffffffff,0x00000008); /*gpio output state*/
1559 ret |= pvr2_hdw_cmd_deep_reset(hdw);
1560 ret |= pvr2_write_register(hdw, 0xa064, 0x00000000); /*APU command*/
1561 ret |= pvr2_hdw_gpio_chg_dir(hdw,0xffffffff,0x00000408); /*gpio dir*/
1562 ret |= pvr2_hdw_gpio_chg_out(hdw,0xffffffff,0x00000008); /*gpio output state*/
1563 ret |= pvr2_write_register(hdw, 0x9058, 0xffffffed); /*VPU ctrl*/
1564 ret |= pvr2_write_register(hdw, 0x9054, 0xfffffffd); /*reset hw blocks*/
1565 ret |= pvr2_write_register(hdw, 0x07f8, 0x80000800); /*encoder SDRAM refresh*/
1566 ret |= pvr2_write_register(hdw, 0x07fc, 0x0000001a); /*encoder SDRAM pre-charge*/
1567 ret |= pvr2_write_register(hdw, 0x0700, 0x00000000); /*I2C clock*/
1568 ret |= pvr2_write_register(hdw, 0xaa00, 0x00000000); /*unknown*/
1569 ret |= pvr2_write_register(hdw, 0xaa04, 0x00057810); /*unknown*/
1570 ret |= pvr2_write_register(hdw, 0xaa10, 0x00148500); /*unknown*/
1571 ret |= pvr2_write_register(hdw, 0xaa18, 0x00840000); /*unknown*/
1572 ret |= pvr2_issue_simple_cmd(hdw,FX2CMD_FWPOST1);
1573 ret |= pvr2_issue_simple_cmd(hdw,FX2CMD_MEMSEL | (1 << 8) | (0 << 16));
1574
1575 if (ret) {
1576 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1577 "firmware2 upload prep failed, ret=%d",ret);
1578 release_firmware(fw_entry);
1579 goto done;
1580 }
1581
1582 /* Now send firmware */
1583
1584 fw_len = fw_entry->size;
1585
1586 if (fw_len % sizeof(u32)) {
1587 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1588 "size of %s firmware"
1589 " must be a multiple of %zu bytes",
1590 fw_files[fwidx],sizeof(u32));
1591 release_firmware(fw_entry);
1592 ret = -EINVAL;
1593 goto done;
1594 }
1595
1596 fw_ptr = kmalloc(FIRMWARE_CHUNK_SIZE, GFP_KERNEL);
1597 if (fw_ptr == NULL){
1598 release_firmware(fw_entry);
1599 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1600 "failed to allocate memory for firmware2 upload");
1601 ret = -ENOMEM;
1602 goto done;
1603 }
1604
1605 pipe = usb_sndbulkpipe(hdw->usb_dev, PVR2_FIRMWARE_ENDPOINT);
1606
1607 fw_done = 0;
1608 for (fw_done = 0; fw_done < fw_len;) {
1609 bcnt = fw_len - fw_done;
1610 if (bcnt > FIRMWARE_CHUNK_SIZE) bcnt = FIRMWARE_CHUNK_SIZE;
1611 memcpy(fw_ptr, fw_entry->data + fw_done, bcnt);
1612 /* Usbsnoop log shows that we must swap bytes... */
1613 /* Some background info: The data being swapped here is a
1614 firmware image destined for the mpeg encoder chip that
1615 lives at the other end of a USB endpoint. The encoder
1616 chip always talks in 32 bit chunks and its storage is
1617 organized into 32 bit words. However from the file
1618 system to the encoder chip everything is purely a byte
1619 stream. The firmware file's contents are always 32 bit
1620 swapped from what the encoder expects. Thus the need
1621 always exists to swap the bytes regardless of the endian
1622 type of the host processor and therefore swab32() makes
1623 the most sense. */
1624 for (icnt = 0; icnt < bcnt/4 ; icnt++)
1625 ((u32 *)fw_ptr)[icnt] = swab32(((u32 *)fw_ptr)[icnt]);
1626
1627 ret |= usb_bulk_msg(hdw->usb_dev, pipe, fw_ptr,bcnt,
1628 &actual_length, HZ);
1629 ret |= (actual_length != bcnt);
1630 if (ret) break;
1631 fw_done += bcnt;
1632 }
1633
1634 trace_firmware("upload of %s : %i / %i ",
1635 fw_files[fwidx],fw_done,fw_len);
1636
1637 kfree(fw_ptr);
1638 release_firmware(fw_entry);
1639
1640 if (ret) {
1641 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1642 "firmware2 upload transfer failure");
1643 goto done;
1644 }
1645
1646 /* Finish upload */
1647
1648 ret |= pvr2_write_register(hdw, 0x9054, 0xffffffff); /*reset hw blocks*/
1649 ret |= pvr2_write_register(hdw, 0x9058, 0xffffffe8); /*VPU ctrl*/
1650 ret |= pvr2_issue_simple_cmd(hdw,FX2CMD_MEMSEL | (1 << 8) | (0 << 16));
1651
1652 if (ret) {
1653 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1654 "firmware2 upload post-proc failure");
1655 }
1656
1657 done:
1658 if (hdw->hdw_desc->signal_routing_scheme ==
1659 PVR2_ROUTING_SCHEME_GOTVIEW) {
1660 /* Ensure that GPIO 11 is set to output for GOTVIEW
1661 hardware. */
1662 pvr2_hdw_gpio_chg_dir(hdw,(1 << 11),~0);
1663 }
1664 return ret;
1665 }
1666
1667
1668 static const char *pvr2_get_state_name(unsigned int st)
1669 {
1670 if (st < ARRAY_SIZE(pvr2_state_names)) {
1671 return pvr2_state_names[st];
1672 }
1673 return "???";
1674 }
1675
1676 static int pvr2_decoder_enable(struct pvr2_hdw *hdw,int enablefl)
1677 {
1678 /* Even though we really only care about the video decoder chip at
1679 this point, we'll broadcast stream on/off to all sub-devices
1680 anyway, just in case somebody else wants to hear the
1681 command... */
1682 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 stream=%s",
1683 (enablefl ? "on" : "off"));
1684 v4l2_device_call_all(&hdw->v4l2_dev, 0, video, s_stream, enablefl);
1685 v4l2_device_call_all(&hdw->v4l2_dev, 0, audio, s_stream, enablefl);
1686 if (hdw->decoder_client_id) {
1687 /* We get here if the encoder has been noticed. Otherwise
1688 we'll issue a warning to the user (which should
1689 normally never happen). */
1690 return 0;
1691 }
1692 if (!hdw->flag_decoder_missed) {
1693 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1694 "WARNING: No decoder present");
1695 hdw->flag_decoder_missed = !0;
1696 trace_stbit("flag_decoder_missed",
1697 hdw->flag_decoder_missed);
1698 }
1699 return -EIO;
1700 }
1701
1702
1703 int pvr2_hdw_get_state(struct pvr2_hdw *hdw)
1704 {
1705 return hdw->master_state;
1706 }
1707
1708
1709 static int pvr2_hdw_untrip_unlocked(struct pvr2_hdw *hdw)
1710 {
1711 if (!hdw->flag_tripped) return 0;
1712 hdw->flag_tripped = 0;
1713 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1714 "Clearing driver error statuss");
1715 return !0;
1716 }
1717
1718
1719 int pvr2_hdw_untrip(struct pvr2_hdw *hdw)
1720 {
1721 int fl;
1722 LOCK_TAKE(hdw->big_lock); do {
1723 fl = pvr2_hdw_untrip_unlocked(hdw);
1724 } while (0); LOCK_GIVE(hdw->big_lock);
1725 if (fl) pvr2_hdw_state_sched(hdw);
1726 return 0;
1727 }
1728
1729
1730
1731
1732 int pvr2_hdw_get_streaming(struct pvr2_hdw *hdw)
1733 {
1734 return hdw->state_pipeline_req != 0;
1735 }
1736
1737
1738 int pvr2_hdw_set_streaming(struct pvr2_hdw *hdw,int enable_flag)
1739 {
1740 int ret,st;
1741 LOCK_TAKE(hdw->big_lock); do {
1742 pvr2_hdw_untrip_unlocked(hdw);
1743 if ((!enable_flag) != !(hdw->state_pipeline_req)) {
1744 hdw->state_pipeline_req = enable_flag != 0;
1745 pvr2_trace(PVR2_TRACE_START_STOP,
1746 "/*--TRACE_STREAM--*/ %s",
1747 enable_flag ? "enable" : "disable");
1748 }
1749 pvr2_hdw_state_sched(hdw);
1750 } while (0); LOCK_GIVE(hdw->big_lock);
1751 if ((ret = pvr2_hdw_wait(hdw,0)) < 0) return ret;
1752 if (enable_flag) {
1753 while ((st = hdw->master_state) != PVR2_STATE_RUN) {
1754 if (st != PVR2_STATE_READY) return -EIO;
1755 if ((ret = pvr2_hdw_wait(hdw,st)) < 0) return ret;
1756 }
1757 }
1758 return 0;
1759 }
1760
1761
1762 int pvr2_hdw_set_stream_type(struct pvr2_hdw *hdw,enum pvr2_config config)
1763 {
1764 int fl;
1765 LOCK_TAKE(hdw->big_lock);
1766 if ((fl = (hdw->desired_stream_type != config)) != 0) {
1767 hdw->desired_stream_type = config;
1768 hdw->state_pipeline_config = 0;
1769 trace_stbit("state_pipeline_config",
1770 hdw->state_pipeline_config);
1771 pvr2_hdw_state_sched(hdw);
1772 }
1773 LOCK_GIVE(hdw->big_lock);
1774 if (fl) return 0;
1775 return pvr2_hdw_wait(hdw,0);
1776 }
1777
1778
1779 static int get_default_tuner_type(struct pvr2_hdw *hdw)
1780 {
1781 int unit_number = hdw->unit_number;
1782 int tp = -1;
1783 if ((unit_number >= 0) && (unit_number < PVR_NUM)) {
1784 tp = tuner[unit_number];
1785 }
1786 if (tp < 0) return -EINVAL;
1787 hdw->tuner_type = tp;
1788 hdw->tuner_updated = !0;
1789 return 0;
1790 }
1791
1792
1793 static v4l2_std_id get_default_standard(struct pvr2_hdw *hdw)
1794 {
1795 int unit_number = hdw->unit_number;
1796 int tp = 0;
1797 if ((unit_number >= 0) && (unit_number < PVR_NUM)) {
1798 tp = video_std[unit_number];
1799 if (tp) return tp;
1800 }
1801 return 0;
1802 }
1803
1804
1805 static unsigned int get_default_error_tolerance(struct pvr2_hdw *hdw)
1806 {
1807 int unit_number = hdw->unit_number;
1808 int tp = 0;
1809 if ((unit_number >= 0) && (unit_number < PVR_NUM)) {
1810 tp = tolerance[unit_number];
1811 }
1812 return tp;
1813 }
1814
1815
1816 static int pvr2_hdw_check_firmware(struct pvr2_hdw *hdw)
1817 {
1818 /* Try a harmless request to fetch the eeprom's address over
1819 endpoint 1. See what happens. Only the full FX2 image can
1820 respond to this. If this probe fails then likely the FX2
1821 firmware needs be loaded. */
1822 int result;
1823 LOCK_TAKE(hdw->ctl_lock); do {
1824 hdw->cmd_buffer[0] = FX2CMD_GET_EEPROM_ADDR;
1825 result = pvr2_send_request_ex(hdw,HZ*1,!0,
1826 hdw->cmd_buffer,1,
1827 hdw->cmd_buffer,1);
1828 if (result < 0) break;
1829 } while(0); LOCK_GIVE(hdw->ctl_lock);
1830 if (result) {
1831 pvr2_trace(PVR2_TRACE_INIT,
1832 "Probe of device endpoint 1 result status %d",
1833 result);
1834 } else {
1835 pvr2_trace(PVR2_TRACE_INIT,
1836 "Probe of device endpoint 1 succeeded");
1837 }
1838 return result == 0;
1839 }
1840
1841 struct pvr2_std_hack {
1842 v4l2_std_id pat; /* Pattern to match */
1843 v4l2_std_id msk; /* Which bits we care about */
1844 v4l2_std_id std; /* What additional standards or default to set */
1845 };
1846
1847 /* This data structure labels specific combinations of standards from
1848 tveeprom that we'll try to recognize. If we recognize one, then assume
1849 a specified default standard to use. This is here because tveeprom only
1850 tells us about available standards not the intended default standard (if
1851 any) for the device in question. We guess the default based on what has
1852 been reported as available. Note that this is only for guessing a
1853 default - which can always be overridden explicitly - and if the user
1854 has otherwise named a default then that default will always be used in
1855 place of this table. */
1856 static const struct pvr2_std_hack std_eeprom_maps[] = {
1857 { /* PAL(B/G) */
1858 .pat = V4L2_STD_B|V4L2_STD_GH,
1859 .std = V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_PAL_G,
1860 },
1861 { /* NTSC(M) */
1862 .pat = V4L2_STD_MN,
1863 .std = V4L2_STD_NTSC_M,
1864 },
1865 { /* PAL(I) */
1866 .pat = V4L2_STD_PAL_I,
1867 .std = V4L2_STD_PAL_I,
1868 },
1869 { /* SECAM(L/L') */
1870 .pat = V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC,
1871 .std = V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC,
1872 },
1873 { /* PAL(D/D1/K) */
1874 .pat = V4L2_STD_DK,
1875 .std = V4L2_STD_PAL_D|V4L2_STD_PAL_D1|V4L2_STD_PAL_K,
1876 },
1877 };
1878
1879 static void pvr2_hdw_setup_std(struct pvr2_hdw *hdw)
1880 {
1881 char buf[40];
1882 unsigned int bcnt;
1883 v4l2_std_id std1,std2,std3;
1884
1885 std1 = get_default_standard(hdw);
1886 std3 = std1 ? 0 : hdw->hdw_desc->default_std_mask;
1887
1888 bcnt = pvr2_std_id_to_str(buf,sizeof(buf),hdw->std_mask_eeprom);
1889 pvr2_trace(PVR2_TRACE_STD,
1890 "Supported video standard(s) reported available"
1891 " in hardware: %.*s",
1892 bcnt,buf);
1893
1894 hdw->std_mask_avail = hdw->std_mask_eeprom;
1895
1896 std2 = (std1|std3) & ~hdw->std_mask_avail;
1897 if (std2) {
1898 bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std2);
1899 pvr2_trace(PVR2_TRACE_STD,
1900 "Expanding supported video standards"
1901 " to include: %.*s",
1902 bcnt,buf);
1903 hdw->std_mask_avail |= std2;
1904 }
1905
1906 hdw->std_info_cur.def.type_bitmask.valid_bits = hdw->std_mask_avail;
1907
1908 if (std1) {
1909 bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std1);
1910 pvr2_trace(PVR2_TRACE_STD,
1911 "Initial video standard forced to %.*s",
1912 bcnt,buf);
1913 hdw->std_mask_cur = std1;
1914 hdw->std_dirty = !0;
1915 return;
1916 }
1917 if (std3) {
1918 bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std3);
1919 pvr2_trace(PVR2_TRACE_STD,
1920 "Initial video standard"
1921 " (determined by device type): %.*s",bcnt,buf);
1922 hdw->std_mask_cur = std3;
1923 hdw->std_dirty = !0;
1924 return;
1925 }
1926
1927 {
1928 unsigned int idx;
1929 for (idx = 0; idx < ARRAY_SIZE(std_eeprom_maps); idx++) {
1930 if (std_eeprom_maps[idx].msk ?
1931 ((std_eeprom_maps[idx].pat ^
1932 hdw->std_mask_eeprom) &
1933 std_eeprom_maps[idx].msk) :
1934 (std_eeprom_maps[idx].pat !=
1935 hdw->std_mask_eeprom)) continue;
1936 bcnt = pvr2_std_id_to_str(buf,sizeof(buf),
1937 std_eeprom_maps[idx].std);
1938 pvr2_trace(PVR2_TRACE_STD,
1939 "Initial video standard guessed as %.*s",
1940 bcnt,buf);
1941 hdw->std_mask_cur = std_eeprom_maps[idx].std;
1942 hdw->std_dirty = !0;
1943 return;
1944 }
1945 }
1946
1947 }
1948
1949
1950 static unsigned int pvr2_copy_i2c_addr_list(
1951 unsigned short *dst, const unsigned char *src,
1952 unsigned int dst_max)
1953 {
1954 unsigned int cnt = 0;
1955 if (!src) return 0;
1956 while (src[cnt] && (cnt + 1) < dst_max) {
1957 dst[cnt] = src[cnt];
1958 cnt++;
1959 }
1960 dst[cnt] = I2C_CLIENT_END;
1961 return cnt;
1962 }
1963
1964
1965 static void pvr2_hdw_cx25840_vbi_hack(struct pvr2_hdw *hdw)
1966 {
1967 /*
1968 Mike Isely <isely@pobox.com> 19-Nov-2006 - This bit of nuttiness
1969 for cx25840 causes that module to correctly set up its video
1970 scaling. This is really a problem in the cx25840 module itself,
1971 but we work around it here. The problem has not been seen in
1972 ivtv because there VBI is supported and set up. We don't do VBI
1973 here (at least not yet) and thus we never attempted to even set
1974 it up.
1975 */
1976 struct v4l2_format fmt;
1977 if (hdw->decoder_client_id != PVR2_CLIENT_ID_CX25840) {
1978 /* We're not using a cx25840 so don't enable the hack */
1979 return;
1980 }
1981
1982 pvr2_trace(PVR2_TRACE_INIT,
1983 "Module ID %u:"
1984 " Executing cx25840 VBI hack",
1985 hdw->decoder_client_id);
1986 memset(&fmt, 0, sizeof(fmt));
1987 fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
1988 fmt.fmt.sliced.service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1989 fmt.fmt.sliced.service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1990 v4l2_device_call_all(&hdw->v4l2_dev, hdw->decoder_client_id,
1991 vbi, s_sliced_fmt, &fmt.fmt.sliced);
1992 }
1993
1994
1995 static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
1996 const struct pvr2_device_client_desc *cd)
1997 {
1998 const char *fname;
1999 unsigned char mid;
2000 struct v4l2_subdev *sd;
2001 unsigned int i2ccnt;
2002 const unsigned char *p;
2003 /* Arbitrary count - max # i2c addresses we will probe */
2004 unsigned short i2caddr[25];
2005
2006 mid = cd->module_id;
2007 fname = (mid < ARRAY_SIZE(module_names)) ? module_names[mid] : NULL;
2008 if (!fname) {
2009 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2010 "Module ID %u for device %s has no name?"
2011 " The driver might have a configuration problem.",
2012 mid,
2013 hdw->hdw_desc->description);
2014 return -EINVAL;
2015 }
2016 pvr2_trace(PVR2_TRACE_INIT,
2017 "Module ID %u (%s) for device %s being loaded...",
2018 mid, fname,
2019 hdw->hdw_desc->description);
2020
2021 i2ccnt = pvr2_copy_i2c_addr_list(i2caddr, cd->i2c_address_list,
2022 ARRAY_SIZE(i2caddr));
2023 if (!i2ccnt && ((p = (mid < ARRAY_SIZE(module_i2c_addresses)) ?
2024 module_i2c_addresses[mid] : NULL) != NULL)) {
2025 /* Second chance: Try default i2c address list */
2026 i2ccnt = pvr2_copy_i2c_addr_list(i2caddr, p,
2027 ARRAY_SIZE(i2caddr));
2028 if (i2ccnt) {
2029 pvr2_trace(PVR2_TRACE_INIT,
2030 "Module ID %u:"
2031 " Using default i2c address list",
2032 mid);
2033 }
2034 }
2035
2036 if (!i2ccnt) {
2037 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2038 "Module ID %u (%s) for device %s:"
2039 " No i2c addresses."
2040 " The driver might have a configuration problem.",
2041 mid, fname, hdw->hdw_desc->description);
2042 return -EINVAL;
2043 }
2044
2045 if (i2ccnt == 1) {
2046 pvr2_trace(PVR2_TRACE_INIT,
2047 "Module ID %u:"
2048 " Setting up with specified i2c address 0x%x",
2049 mid, i2caddr[0]);
2050 sd = v4l2_i2c_new_subdev(&hdw->v4l2_dev, &hdw->i2c_adap,
2051 fname, i2caddr[0], NULL);
2052 } else {
2053 pvr2_trace(PVR2_TRACE_INIT,
2054 "Module ID %u:"
2055 " Setting up with address probe list",
2056 mid);
2057 sd = v4l2_i2c_new_subdev(&hdw->v4l2_dev, &hdw->i2c_adap,
2058 fname, 0, i2caddr);
2059 }
2060
2061 if (!sd) {
2062 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2063 "Module ID %u (%s) for device %s failed to load."
2064 " Possible missing sub-device kernel module or"
2065 " initialization failure within module.",
2066 mid, fname, hdw->hdw_desc->description);
2067 return -EIO;
2068 }
2069
2070 /* Tag this sub-device instance with the module ID we know about.
2071 In other places we'll use that tag to determine if the instance
2072 requires special handling. */
2073 sd->grp_id = mid;
2074
2075 pvr2_trace(PVR2_TRACE_INFO, "Attached sub-driver %s", fname);
2076
2077
2078 /* client-specific setup... */
2079 switch (mid) {
2080 case PVR2_CLIENT_ID_CX25840:
2081 case PVR2_CLIENT_ID_SAA7115:
2082 hdw->decoder_client_id = mid;
2083 break;
2084 default: break;
2085 }
2086
2087 return 0;
2088 }
2089
2090
2091 static void pvr2_hdw_load_modules(struct pvr2_hdw *hdw)
2092 {
2093 unsigned int idx;
2094 const struct pvr2_string_table *cm;
2095 const struct pvr2_device_client_table *ct;
2096 int okFl = !0;
2097
2098 cm = &hdw->hdw_desc->client_modules;
2099 for (idx = 0; idx < cm->cnt; idx++) {
2100 request_module(cm->lst[idx]);
2101 }
2102
2103 ct = &hdw->hdw_desc->client_table;
2104 for (idx = 0; idx < ct->cnt; idx++) {
2105 if (pvr2_hdw_load_subdev(hdw, &ct->lst[idx]) < 0) okFl = 0;
2106 }
2107 if (!okFl) {
2108 hdw->flag_modulefail = !0;
2109 pvr2_hdw_render_useless(hdw);
2110 }
2111 }
2112
2113
2114 static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
2115 {
2116 int ret;
2117 unsigned int idx;
2118 struct pvr2_ctrl *cptr;
2119 int reloadFl = 0;
2120 if (hdw->hdw_desc->fx2_firmware.cnt) {
2121 if (!reloadFl) {
2122 reloadFl =
2123 (hdw->usb_intf->cur_altsetting->desc.bNumEndpoints
2124 == 0);
2125 if (reloadFl) {
2126 pvr2_trace(PVR2_TRACE_INIT,
2127 "USB endpoint config looks strange"
2128 "; possibly firmware needs to be"
2129 " loaded");
2130 }
2131 }
2132 if (!reloadFl) {
2133 reloadFl = !pvr2_hdw_check_firmware(hdw);
2134 if (reloadFl) {
2135 pvr2_trace(PVR2_TRACE_INIT,
2136 "Check for FX2 firmware failed"
2137 "; possibly firmware needs to be"
2138 " loaded");
2139 }
2140 }
2141 if (reloadFl) {
2142 if (pvr2_upload_firmware1(hdw) != 0) {
2143 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2144 "Failure uploading firmware1");
2145 }
2146 return;
2147 }
2148 }
2149 hdw->fw1_state = FW1_STATE_OK;
2150
2151 if (!pvr2_hdw_dev_ok(hdw)) return;
2152
2153 hdw->force_dirty = !0;
2154
2155 if (!hdw->hdw_desc->flag_no_powerup) {
2156 pvr2_hdw_cmd_powerup(hdw);
2157 if (!pvr2_hdw_dev_ok(hdw)) return;
2158 }
2159
2160 /* Take the IR chip out of reset, if appropriate */
2161 if (hdw->ir_scheme_active == PVR2_IR_SCHEME_ZILOG) {
2162 pvr2_issue_simple_cmd(hdw,
2163 FX2CMD_HCW_ZILOG_RESET |
2164 (1 << 8) |
2165 ((0) << 16));
2166 }
2167
2168 // This step MUST happen after the earlier powerup step.
2169 pvr2_i2c_core_init(hdw);
2170 if (!pvr2_hdw_dev_ok(hdw)) return;
2171
2172 pvr2_hdw_load_modules(hdw);
2173 if (!pvr2_hdw_dev_ok(hdw)) return;
2174
2175 v4l2_device_call_all(&hdw->v4l2_dev, 0, core, load_fw);
2176
2177 for (idx = 0; idx < CTRLDEF_COUNT; idx++) {
2178 cptr = hdw->controls + idx;
2179 if (cptr->info->skip_init) continue;
2180 if (!cptr->info->set_value) continue;
2181 cptr->info->set_value(cptr,~0,cptr->info->default_value);
2182 }
2183
2184 pvr2_hdw_cx25840_vbi_hack(hdw);
2185
2186 /* Set up special default values for the television and radio
2187 frequencies here. It's not really important what these defaults
2188 are, but I set them to something usable in the Chicago area just
2189 to make driver testing a little easier. */
2190
2191 hdw->freqValTelevision = default_tv_freq;
2192 hdw->freqValRadio = default_radio_freq;
2193
2194 // Do not use pvr2_reset_ctl_endpoints() here. It is not
2195 // thread-safe against the normal pvr2_send_request() mechanism.
2196 // (We should make it thread safe).
2197
2198 if (hdw->hdw_desc->flag_has_hauppauge_rom) {
2199 ret = pvr2_hdw_get_eeprom_addr(hdw);
2200 if (!pvr2_hdw_dev_ok(hdw)) return;
2201 if (ret < 0) {
2202 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2203 "Unable to determine location of eeprom,"
2204 " skipping");
2205 } else {
2206 hdw->eeprom_addr = ret;
2207 pvr2_eeprom_analyze(hdw);
2208 if (!pvr2_hdw_dev_ok(hdw)) return;
2209 }
2210 } else {
2211 hdw->tuner_type = hdw->hdw_desc->default_tuner_type;
2212 hdw->tuner_updated = !0;
2213 hdw->std_mask_eeprom = V4L2_STD_ALL;
2214 }
2215
2216 if (hdw->serial_number) {
2217 idx = scnprintf(hdw->identifier, sizeof(hdw->identifier) - 1,
2218 "sn-%lu", hdw->serial_number);
2219 } else if (hdw->unit_number >= 0) {
2220 idx = scnprintf(hdw->identifier, sizeof(hdw->identifier) - 1,
2221 "unit-%c",
2222 hdw->unit_number + 'a');
2223 } else {
2224 idx = scnprintf(hdw->identifier, sizeof(hdw->identifier) - 1,
2225 "unit-??");
2226 }
2227 hdw->identifier[idx] = 0;
2228
2229 pvr2_hdw_setup_std(hdw);
2230
2231 if (!get_default_tuner_type(hdw)) {
2232 pvr2_trace(PVR2_TRACE_INIT,
2233 "pvr2_hdw_setup: Tuner type overridden to %d",
2234 hdw->tuner_type);
2235 }
2236
2237
2238 if (!pvr2_hdw_dev_ok(hdw)) return;
2239
2240 if (hdw->hdw_desc->signal_routing_scheme ==
2241 PVR2_ROUTING_SCHEME_GOTVIEW) {
2242 /* Ensure that GPIO 11 is set to output for GOTVIEW
2243 hardware. */
2244 pvr2_hdw_gpio_chg_dir(hdw,(1 << 11),~0);
2245 }
2246
2247 pvr2_hdw_commit_setup(hdw);
2248
2249 hdw->vid_stream = pvr2_stream_create();
2250 if (!pvr2_hdw_dev_ok(hdw)) return;
2251 pvr2_trace(PVR2_TRACE_INIT,
2252 "pvr2_hdw_setup: video stream is %p",hdw->vid_stream);
2253 if (hdw->vid_stream) {
2254 idx = get_default_error_tolerance(hdw);
2255 if (idx) {
2256 pvr2_trace(PVR2_TRACE_INIT,
2257 "pvr2_hdw_setup: video stream %p"
2258 " setting tolerance %u",
2259 hdw->vid_stream,idx);
2260 }
2261 pvr2_stream_setup(hdw->vid_stream,hdw->usb_dev,
2262 PVR2_VID_ENDPOINT,idx);
2263 }
2264
2265 if (!pvr2_hdw_dev_ok(hdw)) return;
2266
2267 hdw->flag_init_ok = !0;
2268
2269 pvr2_hdw_state_sched(hdw);
2270 }
2271
2272
2273 /* Set up the structure and attempt to put the device into a usable state.
2274 This can be a time-consuming operation, which is why it is not done
2275 internally as part of the create() step. */
2276 static void pvr2_hdw_setup(struct pvr2_hdw *hdw)
2277 {
2278 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_setup(hdw=%p) begin",hdw);
2279 do {
2280 pvr2_hdw_setup_low(hdw);
2281 pvr2_trace(PVR2_TRACE_INIT,
2282 "pvr2_hdw_setup(hdw=%p) done, ok=%d init_ok=%d",
2283 hdw,pvr2_hdw_dev_ok(hdw),hdw->flag_init_ok);
2284 if (pvr2_hdw_dev_ok(hdw)) {
2285 if (hdw->flag_init_ok) {
2286 pvr2_trace(
2287 PVR2_TRACE_INFO,
2288 "Device initialization"
2289 " completed successfully.");
2290 break;
2291 }
2292 if (hdw->fw1_state == FW1_STATE_RELOAD) {
2293 pvr2_trace(
2294 PVR2_TRACE_INFO,
2295 "Device microcontroller firmware"
2296 " (re)loaded; it should now reset"
2297 " and reconnect.");
2298 break;
2299 }
2300 pvr2_trace(
2301 PVR2_TRACE_ERROR_LEGS,
2302 "Device initialization was not successful.");
2303 if (hdw->fw1_state == FW1_STATE_MISSING) {
2304 pvr2_trace(
2305 PVR2_TRACE_ERROR_LEGS,
2306 "Giving up since device"
2307 " microcontroller firmware"
2308 " appears to be missing.");
2309 break;
2310 }
2311 }
2312 if (hdw->flag_modulefail) {
2313 pvr2_trace(
2314 PVR2_TRACE_ERROR_LEGS,
2315 "***WARNING*** pvrusb2 driver initialization"
2316 " failed due to the failure of one or more"
2317 " sub-device kernel modules.");
2318 pvr2_trace(
2319 PVR2_TRACE_ERROR_LEGS,
2320 "You need to resolve the failing condition"
2321 " before this driver can function. There"
2322 " should be some earlier messages giving more"
2323 " information about the problem.");
2324 break;
2325 }
2326 if (procreload) {
2327 pvr2_trace(
2328 PVR2_TRACE_ERROR_LEGS,
2329 "Attempting pvrusb2 recovery by reloading"
2330 " primary firmware.");
2331 pvr2_trace(
2332 PVR2_TRACE_ERROR_LEGS,
2333 "If this works, device should disconnect"
2334 " and reconnect in a sane state.");
2335 hdw->fw1_state = FW1_STATE_UNKNOWN;
2336 pvr2_upload_firmware1(hdw);
2337 } else {
2338 pvr2_trace(
2339 PVR2_TRACE_ERROR_LEGS,
2340 "***WARNING*** pvrusb2 device hardware"
2341 " appears to be jammed"
2342 " and I can't clear it.");
2343 pvr2_trace(
2344 PVR2_TRACE_ERROR_LEGS,
2345 "You might need to power cycle"
2346 " the pvrusb2 device"
2347 " in order to recover.");
2348 }
2349 } while (0);
2350 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_setup(hdw=%p) end",hdw);
2351 }
2352
2353
2354 /* Perform second stage initialization. Set callback pointer first so that
2355 we can avoid a possible initialization race (if the kernel thread runs
2356 before the callback has been set). */
2357 int pvr2_hdw_initialize(struct pvr2_hdw *hdw,
2358 void (*callback_func)(void *),
2359 void *callback_data)
2360 {
2361 LOCK_TAKE(hdw->big_lock); do {
2362 if (hdw->flag_disconnected) {
2363 /* Handle a race here: If we're already
2364 disconnected by this point, then give up. If we
2365 get past this then we'll remain connected for
2366 the duration of initialization since the entire
2367 initialization sequence is now protected by the
2368 big_lock. */
2369 break;
2370 }
2371 hdw->state_data = callback_data;
2372 hdw->state_func = callback_func;
2373 pvr2_hdw_setup(hdw);
2374 } while (0); LOCK_GIVE(hdw->big_lock);
2375 return hdw->flag_init_ok;
2376 }
2377
2378
2379 /* Create, set up, and return a structure for interacting with the
2380 underlying hardware. */
2381 struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
2382 const struct usb_device_id *devid)
2383 {
2384 unsigned int idx,cnt1,cnt2,m;
2385 struct pvr2_hdw *hdw = NULL;
2386 int valid_std_mask;
2387 struct pvr2_ctrl *cptr;
2388 struct usb_device *usb_dev;
2389 const struct pvr2_device_desc *hdw_desc;
2390 __u8 ifnum;
2391 struct v4l2_queryctrl qctrl;
2392 struct pvr2_ctl_info *ciptr;
2393
2394 usb_dev = interface_to_usbdev(intf);
2395
2396 hdw_desc = (const struct pvr2_device_desc *)(devid->driver_info);
2397
2398 if (hdw_desc == NULL) {
2399 pvr2_trace(PVR2_TRACE_INIT, "pvr2_hdw_create:"
2400 " No device description pointer,"
2401 " unable to continue.");
2402 pvr2_trace(PVR2_TRACE_INIT, "If you have a new device type,"
2403 " please contact Mike Isely <isely@pobox.com>"
2404 " to get it included in the driver\n");
2405 goto fail;
2406 }
2407
2408 hdw = kzalloc(sizeof(*hdw),GFP_KERNEL);
2409 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_create: hdw=%p, type \"%s\"",
2410 hdw,hdw_desc->description);
2411 pvr2_trace(PVR2_TRACE_INFO, "Hardware description: %s",
2412 hdw_desc->description);
2413 if (hdw_desc->flag_is_experimental) {
2414 pvr2_trace(PVR2_TRACE_INFO, "**********");
2415 pvr2_trace(PVR2_TRACE_INFO,
2416 "WARNING: Support for this device (%s) is"
2417 " experimental.", hdw_desc->description);
2418 pvr2_trace(PVR2_TRACE_INFO,
2419 "Important functionality might not be"
2420 " entirely working.");
2421 pvr2_trace(PVR2_TRACE_INFO,
2422 "Please consider contacting the driver author to"
2423 " help with further stabilization of the driver.");
2424 pvr2_trace(PVR2_TRACE_INFO, "**********");
2425 }
2426 if (!hdw) goto fail;
2427
2428 setup_timer(&hdw->quiescent_timer, pvr2_hdw_quiescent_timeout,
2429 (unsigned long)hdw);
2430
2431 setup_timer(&hdw->decoder_stabilization_timer,
2432 pvr2_hdw_decoder_stabilization_timeout,
2433 (unsigned long)hdw);
2434
2435 setup_timer(&hdw->encoder_wait_timer, pvr2_hdw_encoder_wait_timeout,
2436 (unsigned long)hdw);
2437
2438 setup_timer(&hdw->encoder_run_timer, pvr2_hdw_encoder_run_timeout,
2439 (unsigned long)hdw);
2440
2441 hdw->master_state = PVR2_STATE_DEAD;
2442
2443 init_waitqueue_head(&hdw->state_wait_data);
2444
2445 hdw->tuner_signal_stale = !0;
2446 cx2341x_fill_defaults(&hdw->enc_ctl_state);
2447
2448 /* Calculate which inputs are OK */
2449 m = 0;
2450 if (hdw_desc->flag_has_analogtuner) m |= 1 << PVR2_CVAL_INPUT_TV;
2451 if (hdw_desc->digital_control_scheme != PVR2_DIGITAL_SCHEME_NONE) {
2452 m |= 1 << PVR2_CVAL_INPUT_DTV;
2453 }
2454 if (hdw_desc->flag_has_svideo) m |= 1 << PVR2_CVAL_INPUT_SVIDEO;
2455 if (hdw_desc->flag_has_composite) m |= 1 << PVR2_CVAL_INPUT_COMPOSITE;
2456 if (hdw_desc->flag_has_fmradio) m |= 1 << PVR2_CVAL_INPUT_RADIO;
2457 hdw->input_avail_mask = m;
2458 hdw->input_allowed_mask = hdw->input_avail_mask;
2459
2460 /* If not a hybrid device, pathway_state never changes. So
2461 initialize it here to what it should forever be. */
2462 if (!(hdw->input_avail_mask & (1 << PVR2_CVAL_INPUT_DTV))) {
2463 hdw->pathway_state = PVR2_PATHWAY_ANALOG;
2464 } else if (!(hdw->input_avail_mask & (1 << PVR2_CVAL_INPUT_TV))) {
2465 hdw->pathway_state = PVR2_PATHWAY_DIGITAL;
2466 }
2467
2468 hdw->control_cnt = CTRLDEF_COUNT;
2469 hdw->control_cnt += MPEGDEF_COUNT;
2470 hdw->controls = kzalloc(sizeof(struct pvr2_ctrl) * hdw->control_cnt,
2471 GFP_KERNEL);
2472 if (!hdw->controls) goto fail;
2473 hdw->hdw_desc = hdw_desc;
2474 hdw->ir_scheme_active = hdw->hdw_desc->ir_scheme;
2475 for (idx = 0; idx < hdw->control_cnt; idx++) {
2476 cptr = hdw->controls + idx;
2477 cptr->hdw = hdw;
2478 }
2479 for (idx = 0; idx < 32; idx++) {
2480 hdw->std_mask_ptrs[idx] = hdw->std_mask_names[idx];
2481 }
2482 for (idx = 0; idx < CTRLDEF_COUNT; idx++) {
2483 cptr = hdw->controls + idx;
2484 cptr->info = control_defs+idx;
2485 }
2486
2487 /* Ensure that default input choice is a valid one. */
2488 m = hdw->input_avail_mask;
2489 if (m) for (idx = 0; idx < (sizeof(m) << 3); idx++) {
2490 if (!((1 << idx) & m)) continue;
2491 hdw->input_val = idx;
2492 break;
2493 }
2494
2495 /* Define and configure additional controls from cx2341x module. */
2496 hdw->mpeg_ctrl_info = kcalloc(MPEGDEF_COUNT,
2497 sizeof(*(hdw->mpeg_ctrl_info)),
2498 GFP_KERNEL);
2499 if (!hdw->mpeg_ctrl_info) goto fail;
2500 for (idx = 0; idx < MPEGDEF_COUNT; idx++) {
2501 cptr = hdw->controls + idx + CTRLDEF_COUNT;
2502 ciptr = &(hdw->mpeg_ctrl_info[idx].info);
2503 ciptr->desc = hdw->mpeg_ctrl_info[idx].desc;
2504 ciptr->name = mpeg_ids[idx].strid;
2505 ciptr->v4l_id = mpeg_ids[idx].id;
2506 ciptr->skip_init = !0;
2507 ciptr->get_value = ctrl_cx2341x_get;
2508 ciptr->get_v4lflags = ctrl_cx2341x_getv4lflags;
2509 ciptr->is_dirty = ctrl_cx2341x_is_dirty;
2510 if (!idx) ciptr->clear_dirty = ctrl_cx2341x_clear_dirty;
2511 qctrl.id = ciptr->v4l_id;
2512 cx2341x_ctrl_query(&hdw->enc_ctl_state,&qctrl);
2513 if (!(qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY)) {
2514 ciptr->set_value = ctrl_cx2341x_set;
2515 }
2516 strncpy(hdw->mpeg_ctrl_info[idx].desc,qctrl.name,
2517 PVR2_CTLD_INFO_DESC_SIZE);
2518 hdw->mpeg_ctrl_info[idx].desc[PVR2_CTLD_INFO_DESC_SIZE-1] = 0;
2519 ciptr->default_value = qctrl.default_value;
2520 switch (qctrl.type) {
2521 default:
2522 case V4L2_CTRL_TYPE_INTEGER:
2523 ciptr->type = pvr2_ctl_int;
2524 ciptr->def.type_int.min_value = qctrl.minimum;
2525 ciptr->def.type_int.max_value = qctrl.maximum;
2526 break;
2527 case V4L2_CTRL_TYPE_BOOLEAN:
2528 ciptr->type = pvr2_ctl_bool;
2529 break;
2530 case V4L2_CTRL_TYPE_MENU:
2531 ciptr->type = pvr2_ctl_enum;
2532 ciptr->def.type_enum.value_names =
2533 cx2341x_ctrl_get_menu(&hdw->enc_ctl_state,
2534 ciptr->v4l_id);
2535 for (cnt1 = 0;
2536 ciptr->def.type_enum.value_names[cnt1] != NULL;
2537 cnt1++) { }
2538 ciptr->def.type_enum.count = cnt1;
2539 break;
2540 }
2541 cptr->info = ciptr;
2542 }
2543
2544 // Initialize control data regarding video standard masks
2545 valid_std_mask = pvr2_std_get_usable();
2546 for (idx = 0; idx < 32; idx++) {
2547 if (!(valid_std_mask & (1 << idx))) continue;
2548 cnt1 = pvr2_std_id_to_str(
2549 hdw->std_mask_names[idx],
2550 sizeof(hdw->std_mask_names[idx])-1,
2551 1 << idx);
2552 hdw->std_mask_names[idx][cnt1] = 0;
2553 }
2554 cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDAVAIL);
2555 if (cptr) {
2556 memcpy(&hdw->std_info_avail,cptr->info,
2557 sizeof(hdw->std_info_avail));
2558 cptr->info = &hdw->std_info_avail;
2559 hdw->std_info_avail.def.type_bitmask.bit_names =
2560 hdw->std_mask_ptrs;
2561 hdw->std_info_avail.def.type_bitmask.valid_bits =
2562 valid_std_mask;
2563 }
2564 cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDCUR);
2565 if (cptr) {
2566 memcpy(&hdw->std_info_cur,cptr->info,
2567 sizeof(hdw->std_info_cur));
2568 cptr->info = &hdw->std_info_cur;
2569 hdw->std_info_cur.def.type_bitmask.bit_names =
2570 hdw->std_mask_ptrs;
2571 hdw->std_info_cur.def.type_bitmask.valid_bits =
2572 valid_std_mask;
2573 }
2574 cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDDETECT);
2575 if (cptr) {
2576 memcpy(&hdw->std_info_detect,cptr->info,
2577 sizeof(hdw->std_info_detect));
2578 cptr->info = &hdw->std_info_detect;
2579 hdw->std_info_detect.def.type_bitmask.bit_names =
2580 hdw->std_mask_ptrs;
2581 hdw->std_info_detect.def.type_bitmask.valid_bits =
2582 valid_std_mask;
2583 }
2584
2585 hdw->cropcap_stale = !0;
2586 hdw->eeprom_addr = -1;
2587 hdw->unit_number = -1;
2588 hdw->v4l_minor_number_video = -1;
2589 hdw->v4l_minor_number_vbi = -1;
2590 hdw->v4l_minor_number_radio = -1;
2591 hdw->ctl_write_buffer = kmalloc(PVR2_CTL_BUFFSIZE,GFP_KERNEL);
2592 if (!hdw->ctl_write_buffer) goto fail;
2593 hdw->ctl_read_buffer = kmalloc(PVR2_CTL_BUFFSIZE,GFP_KERNEL);
2594 if (!hdw->ctl_read_buffer) goto fail;
2595 hdw->ctl_write_urb = usb_alloc_urb(0,GFP_KERNEL);
2596 if (!hdw->ctl_write_urb) goto fail;
2597 hdw->ctl_read_urb = usb_alloc_urb(0,GFP_KERNEL);
2598 if (!hdw->ctl_read_urb) goto fail;
2599
2600 if (v4l2_device_register(&intf->dev, &hdw->v4l2_dev) != 0) {
2601 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2602 "Error registering with v4l core, giving up");
2603 goto fail;
2604 }
2605 mutex_lock(&pvr2_unit_mtx);
2606 do {
2607 for (idx = 0; idx < PVR_NUM; idx++) {
2608 if (unit_pointers[idx]) continue;
2609 hdw->unit_number = idx;
2610 unit_pointers[idx] = hdw;
2611 break;
2612 }
2613 } while (0);
2614 mutex_unlock(&pvr2_unit_mtx);
2615
2616 cnt1 = 0;
2617 cnt2 = scnprintf(hdw->name+cnt1,sizeof(hdw->name)-cnt1,"pvrusb2");
2618 cnt1 += cnt2;
2619 if (hdw->unit_number >= 0) {
2620 cnt2 = scnprintf(hdw->name+cnt1,sizeof(hdw->name)-cnt1,"_%c",
2621 ('a' + hdw->unit_number));
2622 cnt1 += cnt2;
2623 }
2624 if (cnt1 >= sizeof(hdw->name)) cnt1 = sizeof(hdw->name)-1;
2625 hdw->name[cnt1] = 0;
2626
2627 INIT_WORK(&hdw->workpoll,pvr2_hdw_worker_poll);
2628
2629 pvr2_trace(PVR2_TRACE_INIT,"Driver unit number is %d, name is %s",
2630 hdw->unit_number,hdw->name);
2631
2632 hdw->tuner_type = -1;
2633 hdw->flag_ok = !0;
2634
2635 hdw->usb_intf = intf;
2636 hdw->usb_dev = usb_dev;
2637
2638 usb_make_path(hdw->usb_dev, hdw->bus_info, sizeof(hdw->bus_info));
2639
2640 ifnum = hdw->usb_intf->cur_altsetting->desc.bInterfaceNumber;
2641 usb_set_interface(hdw->usb_dev,ifnum,0);
2642
2643 mutex_init(&hdw->ctl_lock_mutex);
2644 mutex_init(&hdw->big_lock_mutex);
2645
2646 return hdw;
2647 fail:
2648 if (hdw) {
2649 del_timer_sync(&hdw->quiescent_timer);
2650 del_timer_sync(&hdw->decoder_stabilization_timer);
2651 del_timer_sync(&hdw->encoder_run_timer);
2652 del_timer_sync(&hdw->encoder_wait_timer);
2653 flush_work(&hdw->workpoll);
2654 usb_free_urb(hdw->ctl_read_urb);
2655 usb_free_urb(hdw->ctl_write_urb);
2656 kfree(hdw->ctl_read_buffer);
2657 kfree(hdw->ctl_write_buffer);
2658 kfree(hdw->controls);
2659 kfree(hdw->mpeg_ctrl_info);
2660 kfree(hdw);
2661 }
2662 return NULL;
2663 }
2664
2665
2666 /* Remove _all_ associations between this driver and the underlying USB
2667 layer. */
2668 static void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw)
2669 {
2670 if (hdw->flag_disconnected) return;
2671 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_remove_usb_stuff: hdw=%p",hdw);
2672 if (hdw->ctl_read_urb) {
2673 usb_kill_urb(hdw->ctl_read_urb);
2674 usb_free_urb(hdw->ctl_read_urb);
2675 hdw->ctl_read_urb = NULL;
2676 }
2677 if (hdw->ctl_write_urb) {
2678 usb_kill_urb(hdw->ctl_write_urb);
2679 usb_free_urb(hdw->ctl_write_urb);
2680 hdw->ctl_write_urb = NULL;
2681 }
2682 if (hdw->ctl_read_buffer) {
2683 kfree(hdw->ctl_read_buffer);
2684 hdw->ctl_read_buffer = NULL;
2685 }
2686 if (hdw->ctl_write_buffer) {
2687 kfree(hdw->ctl_write_buffer);
2688 hdw->ctl_write_buffer = NULL;
2689 }
2690 hdw->flag_disconnected = !0;
2691 /* If we don't do this, then there will be a dangling struct device
2692 reference to our disappearing device persisting inside the V4L
2693 core... */
2694 v4l2_device_disconnect(&hdw->v4l2_dev);
2695 hdw->usb_dev = NULL;
2696 hdw->usb_intf = NULL;
2697 pvr2_hdw_render_useless(hdw);
2698 }
2699
2700 void pvr2_hdw_set_v4l2_dev(struct pvr2_hdw *hdw, struct video_device *vdev)
2701 {
2702 vdev->v4l2_dev = &hdw->v4l2_dev;
2703 }
2704
2705 /* Destroy hardware interaction structure */
2706 void pvr2_hdw_destroy(struct pvr2_hdw *hdw)
2707 {
2708 if (!hdw) return;
2709 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_destroy: hdw=%p",hdw);
2710 flush_work(&hdw->workpoll);
2711 del_timer_sync(&hdw->quiescent_timer);
2712 del_timer_sync(&hdw->decoder_stabilization_timer);
2713 del_timer_sync(&hdw->encoder_run_timer);
2714 del_timer_sync(&hdw->encoder_wait_timer);
2715 if (hdw->fw_buffer) {
2716 kfree(hdw->fw_buffer);
2717 hdw->fw_buffer = NULL;
2718 }
2719 if (hdw->vid_stream) {
2720 pvr2_stream_destroy(hdw->vid_stream);
2721 hdw->vid_stream = NULL;
2722 }
2723 pvr2_i2c_core_done(hdw);
2724 v4l2_device_unregister(&hdw->v4l2_dev);
2725 pvr2_hdw_remove_usb_stuff(hdw);
2726 mutex_lock(&pvr2_unit_mtx);
2727 do {
2728 if ((hdw->unit_number >= 0) &&
2729 (hdw->unit_number < PVR_NUM) &&
2730 (unit_pointers[hdw->unit_number] == hdw)) {
2731 unit_pointers[hdw->unit_number] = NULL;
2732 }
2733 } while (0);
2734 mutex_unlock(&pvr2_unit_mtx);
2735 kfree(hdw->controls);
2736 kfree(hdw->mpeg_ctrl_info);
2737 kfree(hdw);
2738 }
2739
2740
2741 int pvr2_hdw_dev_ok(struct pvr2_hdw *hdw)
2742 {
2743 return (hdw && hdw->flag_ok);
2744 }
2745
2746
2747 /* Called when hardware has been unplugged */
2748 void pvr2_hdw_disconnect(struct pvr2_hdw *hdw)
2749 {
2750 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_disconnect(hdw=%p)",hdw);
2751 LOCK_TAKE(hdw->big_lock);
2752 LOCK_TAKE(hdw->ctl_lock);
2753 pvr2_hdw_remove_usb_stuff(hdw);
2754 LOCK_GIVE(hdw->ctl_lock);
2755 LOCK_GIVE(hdw->big_lock);
2756 }
2757
2758
2759 /* Get the number of defined controls */
2760 unsigned int pvr2_hdw_get_ctrl_count(struct pvr2_hdw *hdw)
2761 {
2762 return hdw->control_cnt;
2763 }
2764
2765
2766 /* Retrieve a control handle given its index (0..count-1) */
2767 struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_index(struct pvr2_hdw *hdw,
2768 unsigned int idx)
2769 {
2770 if (idx >= hdw->control_cnt) return NULL;
2771 return hdw->controls + idx;
2772 }
2773
2774
2775 /* Retrieve a control handle given its index (0..count-1) */
2776 struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_id(struct pvr2_hdw *hdw,
2777 unsigned int ctl_id)
2778 {
2779 struct pvr2_ctrl *cptr;
2780 unsigned int idx;
2781 int i;
2782
2783 /* This could be made a lot more efficient, but for now... */
2784 for (idx = 0; idx < hdw->control_cnt; idx++) {
2785 cptr = hdw->controls + idx;
2786 i = cptr->info->internal_id;
2787 if (i && (i == ctl_id)) return cptr;
2788 }
2789 return NULL;
2790 }
2791
2792
2793 /* Given a V4L ID, retrieve the control structure associated with it. */
2794 struct pvr2_ctrl *pvr2_hdw_get_ctrl_v4l(struct pvr2_hdw *hdw,unsigned int ctl_id)
2795 {
2796 struct pvr2_ctrl *cptr;
2797 unsigned int idx;
2798 int i;
2799
2800 /* This could be made a lot more efficient, but for now... */
2801 for (idx = 0; idx < hdw->control_cnt; idx++) {
2802 cptr = hdw->controls + idx;
2803 i = cptr->info->v4l_id;
2804 if (i && (i == ctl_id)) return cptr;
2805 }
2806 return NULL;
2807 }
2808
2809
2810 /* Given a V4L ID for its immediate predecessor, retrieve the control
2811 structure associated with it. */
2812 struct pvr2_ctrl *pvr2_hdw_get_ctrl_nextv4l(struct pvr2_hdw *hdw,
2813 unsigned int ctl_id)
2814 {
2815 struct pvr2_ctrl *cptr,*cp2;
2816 unsigned int idx;
2817 int i;
2818
2819 /* This could be made a lot more efficient, but for now... */
2820 cp2 = NULL;
2821 for (idx = 0; idx < hdw->control_cnt; idx++) {
2822 cptr = hdw->controls + idx;
2823 i = cptr->info->v4l_id;
2824 if (!i) continue;
2825 if (i <= ctl_id) continue;
2826 if (cp2 && (cp2->info->v4l_id < i)) continue;
2827 cp2 = cptr;
2828 }
2829 return cp2;
2830 return NULL;
2831 }
2832
2833
2834 static const char *get_ctrl_typename(enum pvr2_ctl_type tp)
2835 {
2836 switch (tp) {
2837 case pvr2_ctl_int: return "integer";
2838 case pvr2_ctl_enum: return "enum";
2839 case pvr2_ctl_bool: return "boolean";
2840 case pvr2_ctl_bitmask: return "bitmask";
2841 }
2842 return "";
2843 }
2844
2845
2846 static void pvr2_subdev_set_control(struct pvr2_hdw *hdw, int id,
2847 const char *name, int val)
2848 {
2849 struct v4l2_control ctrl;
2850 struct v4l2_subdev *sd;
2851
2852 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 %s=%d", name, val);
2853 memset(&ctrl, 0, sizeof(ctrl));
2854 ctrl.id = id;
2855 ctrl.value = val;
2856
2857 v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev)
2858 v4l2_s_ctrl(NULL, sd->ctrl_handler, &ctrl);
2859 }
2860
2861 #define PVR2_SUBDEV_SET_CONTROL(hdw, id, lab) \
2862 if ((hdw)->lab##_dirty || (hdw)->force_dirty) { \
2863 pvr2_subdev_set_control(hdw, id, #lab, (hdw)->lab##_val); \
2864 }
2865
2866 static v4l2_std_id pvr2_hdw_get_detected_std(struct pvr2_hdw *hdw)
2867 {
2868 v4l2_std_id std;
2869 std = (v4l2_std_id)hdw->std_mask_avail;
2870 v4l2_device_call_all(&hdw->v4l2_dev, 0,
2871 video, querystd, &std);
2872 return std;
2873 }
2874
2875 /* Execute whatever commands are required to update the state of all the
2876 sub-devices so that they match our current control values. */
2877 static void pvr2_subdev_update(struct pvr2_hdw *hdw)
2878 {
2879 struct v4l2_subdev *sd;
2880 unsigned int id;
2881 pvr2_subdev_update_func fp;
2882
2883 pvr2_trace(PVR2_TRACE_CHIPS, "subdev update...");
2884
2885 if (hdw->tuner_updated || hdw->force_dirty) {
2886 struct tuner_setup setup;
2887 pvr2_trace(PVR2_TRACE_CHIPS, "subdev tuner set_type(%d)",
2888 hdw->tuner_type);
2889 if (((int)(hdw->tuner_type)) >= 0) {
2890 memset(&setup, 0, sizeof(setup));
2891 setup.addr = ADDR_UNSET;
2892 setup.type = hdw->tuner_type;
2893 setup.mode_mask = T_RADIO | T_ANALOG_TV;
2894 v4l2_device_call_all(&hdw->v4l2_dev, 0,
2895 tuner, s_type_addr, &setup);
2896 }
2897 }
2898
2899 if (hdw->input_dirty || hdw->std_dirty || hdw->force_dirty) {
2900 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_standard");
2901 if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
2902 v4l2_device_call_all(&hdw->v4l2_dev, 0,
2903 tuner, s_radio);
2904 } else {
2905 v4l2_std_id vs;
2906 vs = hdw->std_mask_cur;
2907 v4l2_device_call_all(&hdw->v4l2_dev, 0,
2908 video, s_std, vs);
2909 pvr2_hdw_cx25840_vbi_hack(hdw);
2910 }
2911 hdw->tuner_signal_stale = !0;
2912 hdw->cropcap_stale = !0;
2913 }
2914
2915 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_BRIGHTNESS, brightness);
2916 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_CONTRAST, contrast);
2917 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_SATURATION, saturation);
2918 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_HUE, hue);
2919 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_MUTE, mute);
2920 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_VOLUME, volume);
2921 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_BALANCE, balance);
2922 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_BASS, bass);
2923 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_TREBLE, treble);
2924
2925 if (hdw->input_dirty || hdw->audiomode_dirty || hdw->force_dirty) {
2926 struct v4l2_tuner vt;
2927 memset(&vt, 0, sizeof(vt));
2928 vt.type = (hdw->input_val == PVR2_CVAL_INPUT_RADIO) ?
2929 V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
2930 vt.audmode = hdw->audiomode_val;
2931 v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner, s_tuner, &vt);
2932 }
2933
2934 if (hdw->freqDirty || hdw->force_dirty) {
2935 unsigned long fv;
2936 struct v4l2_frequency freq;
2937 fv = pvr2_hdw_get_cur_freq(hdw);
2938 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_freq(%lu)", fv);
2939 if (hdw->tuner_signal_stale) pvr2_hdw_status_poll(hdw);
2940 memset(&freq, 0, sizeof(freq));
2941 if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
2942 /* ((fv * 1000) / 62500) */
2943 freq.frequency = (fv * 2) / 125;
2944 } else {
2945 freq.frequency = fv / 62500;
2946 }
2947 /* tuner-core currently doesn't seem to care about this, but
2948 let's set it anyway for completeness. */
2949 if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
2950 freq.type = V4L2_TUNER_RADIO;
2951 } else {
2952 freq.type = V4L2_TUNER_ANALOG_TV;
2953 }
2954 freq.tuner = 0;
2955 v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner,
2956 s_frequency, &freq);
2957 }
2958
2959 if (hdw->res_hor_dirty || hdw->res_ver_dirty || hdw->force_dirty) {
2960 struct v4l2_subdev_format format = {
2961 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
2962 };
2963
2964 format.format.width = hdw->res_hor_val;
2965 format.format.height = hdw->res_ver_val;
2966 format.format.code = MEDIA_BUS_FMT_FIXED;
2967 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_size(%dx%d)",
2968 format.format.width, format.format.height);
2969 v4l2_device_call_all(&hdw->v4l2_dev, 0, pad, set_fmt,
2970 NULL, &format);
2971 }
2972
2973 if (hdw->srate_dirty || hdw->force_dirty) {
2974 u32 val;
2975 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_audio %d",
2976 hdw->srate_val);
2977 switch (hdw->srate_val) {
2978 default:
2979 case V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000:
2980 val = 48000;
2981 break;
2982 case V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100:
2983 val = 44100;
2984 break;
2985 case V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000:
2986 val = 32000;
2987 break;
2988 }
2989 v4l2_device_call_all(&hdw->v4l2_dev, 0,
2990 audio, s_clock_freq, val);
2991 }
2992
2993 /* Unable to set crop parameters; there is apparently no equivalent
2994 for VIDIOC_S_CROP */
2995
2996 v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) {
2997 id = sd->grp_id;
2998 if (id >= ARRAY_SIZE(pvr2_module_update_functions)) continue;
2999 fp = pvr2_module_update_functions[id];
3000 if (!fp) continue;
3001 (*fp)(hdw, sd);
3002 }
3003
3004 if (hdw->tuner_signal_stale || hdw->cropcap_stale) {
3005 pvr2_hdw_status_poll(hdw);
3006 }
3007 }
3008
3009
3010 /* Figure out if we need to commit control changes. If so, mark internal
3011 state flags to indicate this fact and return true. Otherwise do nothing
3012 else and return false. */
3013 static int pvr2_hdw_commit_setup(struct pvr2_hdw *hdw)
3014 {
3015 unsigned int idx;
3016 struct pvr2_ctrl *cptr;
3017 int value;
3018 int commit_flag = hdw->force_dirty;
3019 char buf[100];
3020 unsigned int bcnt,ccnt;
3021
3022 for (idx = 0; idx < hdw->control_cnt; idx++) {
3023 cptr = hdw->controls + idx;
3024 if (!cptr->info->is_dirty) continue;
3025 if (!cptr->info->is_dirty(cptr)) continue;
3026 commit_flag = !0;
3027
3028 if (!(pvrusb2_debug & PVR2_TRACE_CTL)) continue;
3029 bcnt = scnprintf(buf,sizeof(buf),"\"%s\" <-- ",
3030 cptr->info->name);
3031 value = 0;
3032 cptr->info->get_value(cptr,&value);
3033 pvr2_ctrl_value_to_sym_internal(cptr,~0,value,
3034 buf+bcnt,
3035 sizeof(buf)-bcnt,&ccnt);
3036 bcnt += ccnt;
3037 bcnt += scnprintf(buf+bcnt,sizeof(buf)-bcnt," <%s>",
3038 get_ctrl_typename(cptr->info->type));
3039 pvr2_trace(PVR2_TRACE_CTL,
3040 "/*--TRACE_COMMIT--*/ %.*s",
3041 bcnt,buf);
3042 }
3043
3044 if (!commit_flag) {
3045 /* Nothing has changed */
3046 return 0;
3047 }
3048
3049 hdw->state_pipeline_config = 0;
3050 trace_stbit("state_pipeline_config",hdw->state_pipeline_config);
3051 pvr2_hdw_state_sched(hdw);
3052
3053 return !0;
3054 }
3055
3056
3057 /* Perform all operations needed to commit all control changes. This must
3058 be performed in synchronization with the pipeline state and is thus
3059 expected to be called as part of the driver's worker thread. Return
3060 true if commit successful, otherwise return false to indicate that
3061 commit isn't possible at this time. */
3062 static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw)
3063 {
3064 unsigned int idx;
3065 struct pvr2_ctrl *cptr;
3066 int disruptive_change;
3067
3068 if (hdw->input_dirty && hdw->state_pathway_ok &&
3069 (((hdw->input_val == PVR2_CVAL_INPUT_DTV) ?
3070 PVR2_PATHWAY_DIGITAL : PVR2_PATHWAY_ANALOG) !=
3071 hdw->pathway_state)) {
3072 /* Change of mode being asked for... */
3073 hdw->state_pathway_ok = 0;
3074 trace_stbit("state_pathway_ok", hdw->state_pathway_ok);
3075 }
3076 if (!hdw->state_pathway_ok) {
3077 /* Can't commit anything until pathway is ok. */
3078 return 0;
3079 }
3080
3081 /* Handle some required side effects when the video standard is
3082 changed.... */
3083 if (hdw->std_dirty) {
3084 int nvres;
3085 int gop_size;
3086 if (hdw->std_mask_cur & V4L2_STD_525_60) {
3087 nvres = 480;
3088 gop_size = 15;
3089 } else {
3090 nvres = 576;
3091 gop_size = 12;
3092 }
3093 /* Rewrite the vertical resolution to be appropriate to the
3094 video standard that has been selected. */
3095 if (nvres != hdw->res_ver_val) {
3096 hdw->res_ver_val = nvres;
3097 hdw->res_ver_dirty = !0;
3098 }
3099 /* Rewrite the GOP size to be appropriate to the video
3100 standard that has been selected. */
3101 if (gop_size != hdw->enc_ctl_state.video_gop_size) {
3102 struct v4l2_ext_controls cs;
3103 struct v4l2_ext_control c1;
3104 memset(&cs, 0, sizeof(cs));
3105 memset(&c1, 0, sizeof(c1));
3106 cs.controls = &c1;
3107 cs.count = 1;
3108 c1.id = V4L2_CID_MPEG_VIDEO_GOP_SIZE;
3109 c1.value = gop_size;
3110 cx2341x_ext_ctrls(&hdw->enc_ctl_state, 0, &cs,
3111 VIDIOC_S_EXT_CTRLS);
3112 }
3113 }
3114
3115 /* The broadcast decoder can only scale down, so if
3116 * res_*_dirty && crop window < output format ==> enlarge crop.
3117 *
3118 * The mpeg encoder receives fields of res_hor_val dots and
3119 * res_ver_val halflines. Limits: hor<=720, ver<=576.
3120 */
3121 if (hdw->res_hor_dirty && hdw->cropw_val < hdw->res_hor_val) {
3122 hdw->cropw_val = hdw->res_hor_val;
3123 hdw->cropw_dirty = !0;
3124 } else if (hdw->cropw_dirty) {
3125 hdw->res_hor_dirty = !0; /* must rescale */
3126 hdw->res_hor_val = min(720, hdw->cropw_val);
3127 }
3128 if (hdw->res_ver_dirty && hdw->croph_val < hdw->res_ver_val) {
3129 hdw->croph_val = hdw->res_ver_val;
3130 hdw->croph_dirty = !0;
3131 } else if (hdw->croph_dirty) {
3132 int nvres = hdw->std_mask_cur & V4L2_STD_525_60 ? 480 : 576;
3133 hdw->res_ver_dirty = !0;
3134 hdw->res_ver_val = min(nvres, hdw->croph_val);
3135 }
3136
3137 /* If any of the below has changed, then we can't do the update
3138 while the pipeline is running. Pipeline must be paused first
3139 and decoder -> encoder connection be made quiescent before we
3140 can proceed. */
3141 disruptive_change =
3142 (hdw->std_dirty ||
3143 hdw->enc_unsafe_stale ||
3144 hdw->srate_dirty ||
3145 hdw->res_ver_dirty ||
3146 hdw->res_hor_dirty ||
3147 hdw->cropw_dirty ||
3148 hdw->croph_dirty ||
3149 hdw->input_dirty ||
3150 (hdw->active_stream_type != hdw->desired_stream_type));
3151 if (disruptive_change && !hdw->state_pipeline_idle) {
3152 /* Pipeline is not idle; we can't proceed. Arrange to
3153 cause pipeline to stop so that we can try this again
3154 later.... */
3155 hdw->state_pipeline_pause = !0;
3156 return 0;
3157 }
3158
3159 if (hdw->srate_dirty) {
3160 /* Write new sample rate into control structure since
3161 * the master copy is stale. We must track srate
3162 * separate from the mpeg control structure because
3163 * other logic also uses this value. */
3164 struct v4l2_ext_controls cs;
3165 struct v4l2_ext_control c1;
3166 memset(&cs,0,sizeof(cs));
3167 memset(&c1,0,sizeof(c1));
3168 cs.controls = &c1;
3169 cs.count = 1;
3170 c1.id = V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ;
3171 c1.value = hdw->srate_val;
3172 cx2341x_ext_ctrls(&hdw->enc_ctl_state, 0, &cs,VIDIOC_S_EXT_CTRLS);
3173 }
3174
3175 if (hdw->active_stream_type != hdw->desired_stream_type) {
3176 /* Handle any side effects of stream config here */
3177 hdw->active_stream_type = hdw->desired_stream_type;
3178 }
3179
3180 if (hdw->hdw_desc->signal_routing_scheme ==
3181 PVR2_ROUTING_SCHEME_GOTVIEW) {
3182 u32 b;
3183 /* Handle GOTVIEW audio switching */
3184 pvr2_hdw_gpio_get_out(hdw,&b);
3185 if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
3186 /* Set GPIO 11 */
3187 pvr2_hdw_gpio_chg_out(hdw,(1 << 11),~0);
3188 } else {
3189 /* Clear GPIO 11 */
3190 pvr2_hdw_gpio_chg_out(hdw,(1 << 11),0);
3191 }
3192 }
3193
3194 /* Check and update state for all sub-devices. */
3195 pvr2_subdev_update(hdw);
3196
3197 hdw->tuner_updated = 0;
3198 hdw->force_dirty = 0;
3199 for (idx = 0; idx < hdw->control_cnt; idx++) {
3200 cptr = hdw->controls + idx;
3201 if (!cptr->info->clear_dirty) continue;
3202 cptr->info->clear_dirty(cptr);
3203 }
3204
3205 if ((hdw->pathway_state == PVR2_PATHWAY_ANALOG) &&
3206 hdw->state_encoder_run) {
3207 /* If encoder isn't running or it can't be touched, then
3208 this will get worked out later when we start the
3209 encoder. */
3210 if (pvr2_encoder_adjust(hdw) < 0) return !0;
3211 }
3212
3213 hdw->state_pipeline_config = !0;
3214 /* Hardware state may have changed in a way to cause the cropping
3215 capabilities to have changed. So mark it stale, which will
3216 cause a later re-fetch. */
3217 trace_stbit("state_pipeline_config",hdw->state_pipeline_config);
3218 return !0;
3219 }
3220
3221
3222 int pvr2_hdw_commit_ctl(struct pvr2_hdw *hdw)
3223 {
3224 int fl;
3225 LOCK_TAKE(hdw->big_lock);
3226 fl = pvr2_hdw_commit_setup(hdw);
3227 LOCK_GIVE(hdw->big_lock);
3228 if (!fl) return 0;
3229 return pvr2_hdw_wait(hdw,0);
3230 }
3231
3232
3233 static void pvr2_hdw_worker_poll(struct work_struct *work)
3234 {
3235 int fl = 0;
3236 struct pvr2_hdw *hdw = container_of(work,struct pvr2_hdw,workpoll);
3237 LOCK_TAKE(hdw->big_lock); do {
3238 fl = pvr2_hdw_state_eval(hdw);
3239 } while (0); LOCK_GIVE(hdw->big_lock);
3240 if (fl && hdw->state_func) {
3241 hdw->state_func(hdw->state_data);
3242 }
3243 }
3244
3245
3246 static int pvr2_hdw_wait(struct pvr2_hdw *hdw,int state)
3247 {
3248 return wait_event_interruptible(
3249 hdw->state_wait_data,
3250 (hdw->state_stale == 0) &&
3251 (!state || (hdw->master_state != state)));
3252 }
3253
3254
3255 /* Return name for this driver instance */
3256 const char *pvr2_hdw_get_driver_name(struct pvr2_hdw *hdw)
3257 {
3258 return hdw->name;
3259 }
3260
3261
3262 const char *pvr2_hdw_get_desc(struct pvr2_hdw *hdw)
3263 {
3264 return hdw->hdw_desc->description;
3265 }
3266
3267
3268 const char *pvr2_hdw_get_type(struct pvr2_hdw *hdw)
3269 {
3270 return hdw->hdw_desc->shortname;
3271 }
3272
3273
3274 int pvr2_hdw_is_hsm(struct pvr2_hdw *hdw)
3275 {
3276 int result;
3277 LOCK_TAKE(hdw->ctl_lock); do {
3278 hdw->cmd_buffer[0] = FX2CMD_GET_USB_SPEED;
3279 result = pvr2_send_request(hdw,
3280 hdw->cmd_buffer,1,
3281 hdw->cmd_buffer,1);
3282 if (result < 0) break;
3283 result = (hdw->cmd_buffer[0] != 0);
3284 } while(0); LOCK_GIVE(hdw->ctl_lock);
3285 return result;
3286 }
3287
3288
3289 /* Execute poll of tuner status */
3290 void pvr2_hdw_execute_tuner_poll(struct pvr2_hdw *hdw)
3291 {
3292 LOCK_TAKE(hdw->big_lock); do {
3293 pvr2_hdw_status_poll(hdw);
3294 } while (0); LOCK_GIVE(hdw->big_lock);
3295 }
3296
3297
3298 static int pvr2_hdw_check_cropcap(struct pvr2_hdw *hdw)
3299 {
3300 if (!hdw->cropcap_stale) {
3301 return 0;
3302 }
3303 pvr2_hdw_status_poll(hdw);
3304 if (hdw->cropcap_stale) {
3305 return -EIO;
3306 }
3307 return 0;
3308 }
3309
3310
3311 /* Return information about cropping capabilities */
3312 int pvr2_hdw_get_cropcap(struct pvr2_hdw *hdw, struct v4l2_cropcap *pp)
3313 {
3314 int stat = 0;
3315 LOCK_TAKE(hdw->big_lock);
3316 stat = pvr2_hdw_check_cropcap(hdw);
3317 if (!stat) {
3318 memcpy(pp, &hdw->cropcap_info, sizeof(hdw->cropcap_info));
3319 }
3320 LOCK_GIVE(hdw->big_lock);
3321 return stat;
3322 }
3323
3324
3325 /* Return information about the tuner */
3326 int pvr2_hdw_get_tuner_status(struct pvr2_hdw *hdw,struct v4l2_tuner *vtp)
3327 {
3328 LOCK_TAKE(hdw->big_lock); do {
3329 if (hdw->tuner_signal_stale) {
3330 pvr2_hdw_status_poll(hdw);
3331 }
3332 memcpy(vtp,&hdw->tuner_signal_info,sizeof(struct v4l2_tuner));
3333 } while (0); LOCK_GIVE(hdw->big_lock);
3334 return 0;
3335 }
3336
3337
3338 /* Get handle to video output stream */
3339 struct pvr2_stream *pvr2_hdw_get_video_stream(struct pvr2_hdw *hp)
3340 {
3341 return hp->vid_stream;
3342 }
3343
3344
3345 void pvr2_hdw_trigger_module_log(struct pvr2_hdw *hdw)
3346 {
3347 int nr = pvr2_hdw_get_unit_number(hdw);
3348 LOCK_TAKE(hdw->big_lock);
3349 do {
3350 printk(KERN_INFO "pvrusb2: ================= START STATUS CARD #%d =================\n", nr);
3351 v4l2_device_call_all(&hdw->v4l2_dev, 0, core, log_status);
3352 pvr2_trace(PVR2_TRACE_INFO,"cx2341x config:");
3353 cx2341x_log_status(&hdw->enc_ctl_state, "pvrusb2");
3354 pvr2_hdw_state_log_state(hdw);
3355 printk(KERN_INFO "pvrusb2: ================== END STATUS CARD #%d ==================\n", nr);
3356 } while (0);
3357 LOCK_GIVE(hdw->big_lock);
3358 }
3359
3360
3361 /* Grab EEPROM contents, needed for direct method. */
3362 #define EEPROM_SIZE 8192
3363 #define trace_eeprom(...) pvr2_trace(PVR2_TRACE_EEPROM,__VA_ARGS__)
3364 static u8 *pvr2_full_eeprom_fetch(struct pvr2_hdw *hdw)
3365 {
3366 struct i2c_msg msg[2];
3367 u8 *eeprom;
3368 u8 iadd[2];
3369 u8 addr;
3370 u16 eepromSize;
3371 unsigned int offs;
3372 int ret;
3373 int mode16 = 0;
3374 unsigned pcnt,tcnt;
3375 eeprom = kmalloc(EEPROM_SIZE,GFP_KERNEL);
3376 if (!eeprom) {
3377 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3378 "Failed to allocate memory"
3379 " required to read eeprom");
3380 return NULL;
3381 }
3382
3383 trace_eeprom("Value for eeprom addr from controller was 0x%x",
3384 hdw->eeprom_addr);
3385 addr = hdw->eeprom_addr;
3386 /* Seems that if the high bit is set, then the *real* eeprom
3387 address is shifted right now bit position (noticed this in
3388 newer PVR USB2 hardware) */
3389 if (addr & 0x80) addr >>= 1;
3390
3391 /* FX2 documentation states that a 16bit-addressed eeprom is
3392 expected if the I2C address is an odd number (yeah, this is
3393 strange but it's what they do) */
3394 mode16 = (addr & 1);
3395 eepromSize = (mode16 ? EEPROM_SIZE : 256);
3396 trace_eeprom("Examining %d byte eeprom at location 0x%x"
3397 " using %d bit addressing",eepromSize,addr,
3398 mode16 ? 16 : 8);
3399
3400 msg[0].addr = addr;
3401 msg[0].flags = 0;
3402 msg[0].len = mode16 ? 2 : 1;
3403 msg[0].buf = iadd;
3404 msg[1].addr = addr;
3405 msg[1].flags = I2C_M_RD;
3406
3407 /* We have to do the actual eeprom data fetch ourselves, because
3408 (1) we're only fetching part of the eeprom, and (2) if we were
3409 getting the whole thing our I2C driver can't grab it in one
3410 pass - which is what tveeprom is otherwise going to attempt */
3411 memset(eeprom,0,EEPROM_SIZE);
3412 for (tcnt = 0; tcnt < EEPROM_SIZE; tcnt += pcnt) {
3413 pcnt = 16;
3414 if (pcnt + tcnt > EEPROM_SIZE) pcnt = EEPROM_SIZE-tcnt;
3415 offs = tcnt + (eepromSize - EEPROM_SIZE);
3416 if (mode16) {
3417 iadd[0] = offs >> 8;
3418 iadd[1] = offs;
3419 } else {
3420 iadd[0] = offs;
3421 }
3422 msg[1].len = pcnt;
3423 msg[1].buf = eeprom+tcnt;
3424 if ((ret = i2c_transfer(&hdw->i2c_adap,
3425 msg,ARRAY_SIZE(msg))) != 2) {
3426 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3427 "eeprom fetch set offs err=%d",ret);
3428 kfree(eeprom);
3429 return NULL;
3430 }
3431 }
3432 return eeprom;
3433 }
3434
3435
3436 void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw,
3437 int mode,
3438 int enable_flag)
3439 {
3440 int ret;
3441 u16 address;
3442 unsigned int pipe;
3443 LOCK_TAKE(hdw->big_lock); do {
3444 if ((hdw->fw_buffer == NULL) == !enable_flag) break;
3445
3446 if (!enable_flag) {
3447 pvr2_trace(PVR2_TRACE_FIRMWARE,
3448 "Cleaning up after CPU firmware fetch");
3449 kfree(hdw->fw_buffer);
3450 hdw->fw_buffer = NULL;
3451 hdw->fw_size = 0;
3452 if (hdw->fw_cpu_flag) {
3453 /* Now release the CPU. It will disconnect
3454 and reconnect later. */
3455 pvr2_hdw_cpureset_assert(hdw,0);
3456 }
3457 break;
3458 }
3459
3460 hdw->fw_cpu_flag = (mode != 2);
3461 if (hdw->fw_cpu_flag) {
3462 hdw->fw_size = (mode == 1) ? 0x4000 : 0x2000;
3463 pvr2_trace(PVR2_TRACE_FIRMWARE,
3464 "Preparing to suck out CPU firmware"
3465 " (size=%u)", hdw->fw_size);
3466 hdw->fw_buffer = kzalloc(hdw->fw_size,GFP_KERNEL);
3467 if (!hdw->fw_buffer) {
3468 hdw->fw_size = 0;
3469 break;
3470 }
3471
3472 /* We have to hold the CPU during firmware upload. */
3473 pvr2_hdw_cpureset_assert(hdw,1);
3474
3475 /* download the firmware from address 0000-1fff in 2048
3476 (=0x800) bytes chunk. */
3477
3478 pvr2_trace(PVR2_TRACE_FIRMWARE,
3479 "Grabbing CPU firmware");
3480 pipe = usb_rcvctrlpipe(hdw->usb_dev, 0);
3481 for(address = 0; address < hdw->fw_size;
3482 address += 0x800) {
3483 ret = usb_control_msg(hdw->usb_dev,pipe,
3484 0xa0,0xc0,
3485 address,0,
3486 hdw->fw_buffer+address,
3487 0x800,HZ);
3488 if (ret < 0) break;
3489 }
3490
3491 pvr2_trace(PVR2_TRACE_FIRMWARE,
3492 "Done grabbing CPU firmware");
3493 } else {
3494 pvr2_trace(PVR2_TRACE_FIRMWARE,
3495 "Sucking down EEPROM contents");
3496 hdw->fw_buffer = pvr2_full_eeprom_fetch(hdw);
3497 if (!hdw->fw_buffer) {
3498 pvr2_trace(PVR2_TRACE_FIRMWARE,
3499 "EEPROM content suck failed.");
3500 break;
3501 }
3502 hdw->fw_size = EEPROM_SIZE;
3503 pvr2_trace(PVR2_TRACE_FIRMWARE,
3504 "Done sucking down EEPROM contents");
3505 }
3506
3507 } while (0); LOCK_GIVE(hdw->big_lock);
3508 }
3509
3510
3511 /* Return true if we're in a mode for retrieval CPU firmware */
3512 int pvr2_hdw_cpufw_get_enabled(struct pvr2_hdw *hdw)
3513 {
3514 return hdw->fw_buffer != NULL;
3515 }
3516
3517
3518 int pvr2_hdw_cpufw_get(struct pvr2_hdw *hdw,unsigned int offs,
3519 char *buf,unsigned int cnt)
3520 {
3521 int ret = -EINVAL;
3522 LOCK_TAKE(hdw->big_lock); do {
3523 if (!buf) break;
3524 if (!cnt) break;
3525
3526 if (!hdw->fw_buffer) {
3527 ret = -EIO;
3528 break;
3529 }
3530
3531 if (offs >= hdw->fw_size) {
3532 pvr2_trace(PVR2_TRACE_FIRMWARE,
3533 "Read firmware data offs=%d EOF",
3534 offs);
3535 ret = 0;
3536 break;
3537 }
3538
3539 if (offs + cnt > hdw->fw_size) cnt = hdw->fw_size - offs;
3540
3541 memcpy(buf,hdw->fw_buffer+offs,cnt);
3542
3543 pvr2_trace(PVR2_TRACE_FIRMWARE,
3544 "Read firmware data offs=%d cnt=%d",
3545 offs,cnt);
3546 ret = cnt;
3547 } while (0); LOCK_GIVE(hdw->big_lock);
3548
3549 return ret;
3550 }
3551
3552
3553 int pvr2_hdw_v4l_get_minor_number(struct pvr2_hdw *hdw,
3554 enum pvr2_v4l_type index)
3555 {
3556 switch (index) {
3557 case pvr2_v4l_type_video: return hdw->v4l_minor_number_video;
3558 case pvr2_v4l_type_vbi: return hdw->v4l_minor_number_vbi;
3559 case pvr2_v4l_type_radio: return hdw->v4l_minor_number_radio;
3560 default: return -1;
3561 }
3562 }
3563
3564
3565 /* Store a v4l minor device number */
3566 void pvr2_hdw_v4l_store_minor_number(struct pvr2_hdw *hdw,
3567 enum pvr2_v4l_type index,int v)
3568 {
3569 switch (index) {
3570 case pvr2_v4l_type_video: hdw->v4l_minor_number_video = v;break;
3571 case pvr2_v4l_type_vbi: hdw->v4l_minor_number_vbi = v;break;
3572 case pvr2_v4l_type_radio: hdw->v4l_minor_number_radio = v;break;
3573 default: break;
3574 }
3575 }
3576
3577
3578 static void pvr2_ctl_write_complete(struct urb *urb)
3579 {
3580 struct pvr2_hdw *hdw = urb->context;
3581 hdw->ctl_write_pend_flag = 0;
3582 if (hdw->ctl_read_pend_flag) return;
3583 complete(&hdw->ctl_done);
3584 }
3585
3586
3587 static void pvr2_ctl_read_complete(struct urb *urb)
3588 {
3589 struct pvr2_hdw *hdw = urb->context;
3590 hdw->ctl_read_pend_flag = 0;
3591 if (hdw->ctl_write_pend_flag) return;
3592 complete(&hdw->ctl_done);
3593 }
3594
3595
3596 static void pvr2_ctl_timeout(unsigned long data)
3597 {
3598 struct pvr2_hdw *hdw = (struct pvr2_hdw *)data;
3599 if (hdw->ctl_write_pend_flag || hdw->ctl_read_pend_flag) {
3600 hdw->ctl_timeout_flag = !0;
3601 if (hdw->ctl_write_pend_flag)
3602 usb_unlink_urb(hdw->ctl_write_urb);
3603 if (hdw->ctl_read_pend_flag)
3604 usb_unlink_urb(hdw->ctl_read_urb);
3605 }
3606 }
3607
3608
3609 /* Issue a command and get a response from the device. This extended
3610 version includes a probe flag (which if set means that device errors
3611 should not be logged or treated as fatal) and a timeout in jiffies.
3612 This can be used to non-lethally probe the health of endpoint 1. */
3613 static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
3614 unsigned int timeout,int probe_fl,
3615 void *write_data,unsigned int write_len,
3616 void *read_data,unsigned int read_len)
3617 {
3618 unsigned int idx;
3619 int status = 0;
3620 struct timer_list timer;
3621 if (!hdw->ctl_lock_held) {
3622 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3623 "Attempted to execute control transfer"
3624 " without lock!!");
3625 return -EDEADLK;
3626 }
3627 if (!hdw->flag_ok && !probe_fl) {
3628 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3629 "Attempted to execute control transfer"
3630 " when device not ok");
3631 return -EIO;
3632 }
3633 if (!(hdw->ctl_read_urb && hdw->ctl_write_urb)) {
3634 if (!probe_fl) {
3635 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3636 "Attempted to execute control transfer"
3637 " when USB is disconnected");
3638 }
3639 return -ENOTTY;
3640 }
3641
3642 /* Ensure that we have sane parameters */
3643 if (!write_data) write_len = 0;
3644 if (!read_data) read_len = 0;
3645 if (write_len > PVR2_CTL_BUFFSIZE) {
3646 pvr2_trace(
3647 PVR2_TRACE_ERROR_LEGS,
3648 "Attempted to execute %d byte"
3649 " control-write transfer (limit=%d)",
3650 write_len,PVR2_CTL_BUFFSIZE);
3651 return -EINVAL;
3652 }
3653 if (read_len > PVR2_CTL_BUFFSIZE) {
3654 pvr2_trace(
3655 PVR2_TRACE_ERROR_LEGS,
3656 "Attempted to execute %d byte"
3657 " control-read transfer (limit=%d)",
3658 write_len,PVR2_CTL_BUFFSIZE);
3659 return -EINVAL;
3660 }
3661 if ((!write_len) && (!read_len)) {
3662 pvr2_trace(
3663 PVR2_TRACE_ERROR_LEGS,
3664 "Attempted to execute null control transfer?");
3665 return -EINVAL;
3666 }
3667
3668
3669 hdw->cmd_debug_state = 1;
3670 if (write_len && write_data)
3671 hdw->cmd_debug_code = ((unsigned char *)write_data)[0];
3672 else
3673 hdw->cmd_debug_code = 0;
3674 hdw->cmd_debug_write_len = write_len;
3675 hdw->cmd_debug_read_len = read_len;
3676
3677 /* Initialize common stuff */
3678 init_completion(&hdw->ctl_done);
3679 hdw->ctl_timeout_flag = 0;
3680 hdw->ctl_write_pend_flag = 0;
3681 hdw->ctl_read_pend_flag = 0;
3682 setup_timer(&timer, pvr2_ctl_timeout, (unsigned long)hdw);
3683 timer.expires = jiffies + timeout;
3684
3685 if (write_len && write_data) {
3686 hdw->cmd_debug_state = 2;
3687 /* Transfer write data to internal buffer */
3688 for (idx = 0; idx < write_len; idx++) {
3689 hdw->ctl_write_buffer[idx] =
3690 ((unsigned char *)write_data)[idx];
3691 }
3692 /* Initiate a write request */
3693 usb_fill_bulk_urb(hdw->ctl_write_urb,
3694 hdw->usb_dev,
3695 usb_sndbulkpipe(hdw->usb_dev,
3696 PVR2_CTL_WRITE_ENDPOINT),
3697 hdw->ctl_write_buffer,
3698 write_len,
3699 pvr2_ctl_write_complete,
3700 hdw);
3701 hdw->ctl_write_urb->actual_length = 0;
3702 hdw->ctl_write_pend_flag = !0;
3703 status = usb_submit_urb(hdw->ctl_write_urb,GFP_KERNEL);
3704 if (status < 0) {
3705 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3706 "Failed to submit write-control"
3707 " URB status=%d",status);
3708 hdw->ctl_write_pend_flag = 0;
3709 goto done;
3710 }
3711 }
3712
3713 if (read_len) {
3714 hdw->cmd_debug_state = 3;
3715 memset(hdw->ctl_read_buffer,0x43,read_len);
3716 /* Initiate a read request */
3717 usb_fill_bulk_urb(hdw->ctl_read_urb,
3718 hdw->usb_dev,
3719 usb_rcvbulkpipe(hdw->usb_dev,
3720 PVR2_CTL_READ_ENDPOINT),
3721 hdw->ctl_read_buffer,
3722 read_len,
3723 pvr2_ctl_read_complete,
3724 hdw);
3725 hdw->ctl_read_urb->actual_length = 0;
3726 hdw->ctl_read_pend_flag = !0;
3727 status = usb_submit_urb(hdw->ctl_read_urb,GFP_KERNEL);
3728 if (status < 0) {
3729 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3730 "Failed to submit read-control"
3731 " URB status=%d",status);
3732 hdw->ctl_read_pend_flag = 0;
3733 goto done;
3734 }
3735 }
3736
3737 /* Start timer */
3738 add_timer(&timer);
3739
3740 /* Now wait for all I/O to complete */
3741 hdw->cmd_debug_state = 4;
3742 while (hdw->ctl_write_pend_flag || hdw->ctl_read_pend_flag) {
3743 wait_for_completion(&hdw->ctl_done);
3744 }
3745 hdw->cmd_debug_state = 5;
3746
3747 /* Stop timer */
3748 del_timer_sync(&timer);
3749
3750 hdw->cmd_debug_state = 6;
3751 status = 0;
3752
3753 if (hdw->ctl_timeout_flag) {
3754 status = -ETIMEDOUT;
3755 if (!probe_fl) {
3756 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3757 "Timed out control-write");
3758 }
3759 goto done;
3760 }
3761
3762 if (write_len) {
3763 /* Validate results of write request */
3764 if ((hdw->ctl_write_urb->status != 0) &&
3765 (hdw->ctl_write_urb->status != -ENOENT) &&
3766 (hdw->ctl_write_urb->status != -ESHUTDOWN) &&
3767 (hdw->ctl_write_urb->status != -ECONNRESET)) {
3768 /* USB subsystem is reporting some kind of failure
3769 on the write */
3770 status = hdw->ctl_write_urb->status;
3771 if (!probe_fl) {
3772 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3773 "control-write URB failure,"
3774 " status=%d",
3775 status);
3776 }
3777 goto done;
3778 }
3779 if (hdw->ctl_write_urb->actual_length < write_len) {
3780 /* Failed to write enough data */
3781 status = -EIO;
3782 if (!probe_fl) {
3783 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3784 "control-write URB short,"
3785 " expected=%d got=%d",
3786 write_len,
3787 hdw->ctl_write_urb->actual_length);
3788 }
3789 goto done;
3790 }
3791 }
3792 if (read_len && read_data) {
3793 /* Validate results of read request */
3794 if ((hdw->ctl_read_urb->status != 0) &&
3795 (hdw->ctl_read_urb->status != -ENOENT) &&
3796 (hdw->ctl_read_urb->status != -ESHUTDOWN) &&
3797 (hdw->ctl_read_urb->status != -ECONNRESET)) {
3798 /* USB subsystem is reporting some kind of failure
3799 on the read */
3800 status = hdw->ctl_read_urb->status;
3801 if (!probe_fl) {
3802 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3803 "control-read URB failure,"
3804 " status=%d",
3805 status);
3806 }
3807 goto done;
3808 }
3809 if (hdw->ctl_read_urb->actual_length < read_len) {
3810 /* Failed to read enough data */
3811 status = -EIO;
3812 if (!probe_fl) {
3813 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3814 "control-read URB short,"
3815 " expected=%d got=%d",
3816 read_len,
3817 hdw->ctl_read_urb->actual_length);
3818 }
3819 goto done;
3820 }
3821 /* Transfer retrieved data out from internal buffer */
3822 for (idx = 0; idx < read_len; idx++) {
3823 ((unsigned char *)read_data)[idx] =
3824 hdw->ctl_read_buffer[idx];
3825 }
3826 }
3827
3828 done:
3829
3830 hdw->cmd_debug_state = 0;
3831 if ((status < 0) && (!probe_fl)) {
3832 pvr2_hdw_render_useless(hdw);
3833 }
3834 return status;
3835 }
3836
3837
3838 int pvr2_send_request(struct pvr2_hdw *hdw,
3839 void *write_data,unsigned int write_len,
3840 void *read_data,unsigned int read_len)
3841 {
3842 return pvr2_send_request_ex(hdw,HZ*4,0,
3843 write_data,write_len,
3844 read_data,read_len);
3845 }
3846
3847
3848 static int pvr2_issue_simple_cmd(struct pvr2_hdw *hdw,u32 cmdcode)
3849 {
3850 int ret;
3851 unsigned int cnt = 1;
3852 unsigned int args = 0;
3853 LOCK_TAKE(hdw->ctl_lock);
3854 hdw->cmd_buffer[0] = cmdcode & 0xffu;
3855 args = (cmdcode >> 8) & 0xffu;
3856 args = (args > 2) ? 2 : args;
3857 if (args) {
3858 cnt += args;
3859 hdw->cmd_buffer[1] = (cmdcode >> 16) & 0xffu;
3860 if (args > 1) {
3861 hdw->cmd_buffer[2] = (cmdcode >> 24) & 0xffu;
3862 }
3863 }
3864 if (pvrusb2_debug & PVR2_TRACE_INIT) {
3865 unsigned int idx;
3866 unsigned int ccnt,bcnt;
3867 char tbuf[50];
3868 cmdcode &= 0xffu;
3869 bcnt = 0;
3870 ccnt = scnprintf(tbuf+bcnt,
3871 sizeof(tbuf)-bcnt,
3872 "Sending FX2 command 0x%x",cmdcode);
3873 bcnt += ccnt;
3874 for (idx = 0; idx < ARRAY_SIZE(pvr2_fx2cmd_desc); idx++) {
3875 if (pvr2_fx2cmd_desc[idx].id == cmdcode) {
3876 ccnt = scnprintf(tbuf+bcnt,
3877 sizeof(tbuf)-bcnt,
3878 " \"%s\"",
3879 pvr2_fx2cmd_desc[idx].desc);
3880 bcnt += ccnt;
3881 break;
3882 }
3883 }
3884 if (args) {
3885 ccnt = scnprintf(tbuf+bcnt,
3886 sizeof(tbuf)-bcnt,
3887 " (%u",hdw->cmd_buffer[1]);
3888 bcnt += ccnt;
3889 if (args > 1) {
3890 ccnt = scnprintf(tbuf+bcnt,
3891 sizeof(tbuf)-bcnt,
3892 ",%u",hdw->cmd_buffer[2]);
3893 bcnt += ccnt;
3894 }
3895 ccnt = scnprintf(tbuf+bcnt,
3896 sizeof(tbuf)-bcnt,
3897 ")");
3898 bcnt += ccnt;
3899 }
3900 pvr2_trace(PVR2_TRACE_INIT,"%.*s",bcnt,tbuf);
3901 }
3902 ret = pvr2_send_request(hdw,hdw->cmd_buffer,cnt,NULL,0);
3903 LOCK_GIVE(hdw->ctl_lock);
3904 return ret;
3905 }
3906
3907
3908 int pvr2_write_register(struct pvr2_hdw *hdw, u16 reg, u32 data)
3909 {
3910 int ret;
3911
3912 LOCK_TAKE(hdw->ctl_lock);
3913
3914 hdw->cmd_buffer[0] = FX2CMD_REG_WRITE; /* write register prefix */
3915 PVR2_DECOMPOSE_LE(hdw->cmd_buffer,1,data);
3916 hdw->cmd_buffer[5] = 0;
3917 hdw->cmd_buffer[6] = (reg >> 8) & 0xff;
3918 hdw->cmd_buffer[7] = reg & 0xff;
3919
3920
3921 ret = pvr2_send_request(hdw, hdw->cmd_buffer, 8, hdw->cmd_buffer, 0);
3922
3923 LOCK_GIVE(hdw->ctl_lock);
3924
3925 return ret;
3926 }
3927
3928
3929 static int pvr2_read_register(struct pvr2_hdw *hdw, u16 reg, u32 *data)
3930 {
3931 int ret = 0;
3932
3933 LOCK_TAKE(hdw->ctl_lock);
3934
3935 hdw->cmd_buffer[0] = FX2CMD_REG_READ; /* read register prefix */
3936 hdw->cmd_buffer[1] = 0;
3937 hdw->cmd_buffer[2] = 0;
3938 hdw->cmd_buffer[3] = 0;
3939 hdw->cmd_buffer[4] = 0;
3940 hdw->cmd_buffer[5] = 0;
3941 hdw->cmd_buffer[6] = (reg >> 8) & 0xff;
3942 hdw->cmd_buffer[7] = reg & 0xff;
3943
3944 ret |= pvr2_send_request(hdw, hdw->cmd_buffer, 8, hdw->cmd_buffer, 4);
3945 *data = PVR2_COMPOSE_LE(hdw->cmd_buffer,0);
3946
3947 LOCK_GIVE(hdw->ctl_lock);
3948
3949 return ret;
3950 }
3951
3952
3953 void pvr2_hdw_render_useless(struct pvr2_hdw *hdw)
3954 {
3955 if (!hdw->flag_ok) return;
3956 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3957 "Device being rendered inoperable");
3958 if (hdw->vid_stream) {
3959 pvr2_stream_setup(hdw->vid_stream,NULL,0,0);
3960 }
3961 hdw->flag_ok = 0;
3962 trace_stbit("flag_ok",hdw->flag_ok);
3963 pvr2_hdw_state_sched(hdw);
3964 }
3965
3966
3967 void pvr2_hdw_device_reset(struct pvr2_hdw *hdw)
3968 {
3969 int ret;
3970 pvr2_trace(PVR2_TRACE_INIT,"Performing a device reset...");
3971 ret = usb_lock_device_for_reset(hdw->usb_dev,NULL);
3972 if (ret == 0) {
3973 ret = usb_reset_device(hdw->usb_dev);
3974 usb_unlock_device(hdw->usb_dev);
3975 } else {
3976 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3977 "Failed to lock USB device ret=%d",ret);
3978 }
3979 if (init_pause_msec) {
3980 pvr2_trace(PVR2_TRACE_INFO,
3981 "Waiting %u msec for hardware to settle",
3982 init_pause_msec);
3983 msleep(init_pause_msec);
3984 }
3985
3986 }
3987
3988
3989 void pvr2_hdw_cpureset_assert(struct pvr2_hdw *hdw,int val)
3990 {
3991 char *da;
3992 unsigned int pipe;
3993 int ret;
3994
3995 if (!hdw->usb_dev) return;
3996
3997 da = kmalloc(16, GFP_KERNEL);
3998
3999 if (da == NULL) {
4000 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
4001 "Unable to allocate memory to control CPU reset");
4002 return;
4003 }
4004
4005 pvr2_trace(PVR2_TRACE_INIT,"cpureset_assert(%d)",val);
4006
4007 da[0] = val ? 0x01 : 0x00;
4008
4009 /* Write the CPUCS register on the 8051. The lsb of the register
4010 is the reset bit; a 1 asserts reset while a 0 clears it. */
4011 pipe = usb_sndctrlpipe(hdw->usb_dev, 0);
4012 ret = usb_control_msg(hdw->usb_dev,pipe,0xa0,0x40,0xe600,0,da,1,HZ);
4013 if (ret < 0) {
4014 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
4015 "cpureset_assert(%d) error=%d",val,ret);
4016 pvr2_hdw_render_useless(hdw);
4017 }
4018
4019 kfree(da);
4020 }
4021
4022
4023 int pvr2_hdw_cmd_deep_reset(struct pvr2_hdw *hdw)
4024 {
4025 return pvr2_issue_simple_cmd(hdw,FX2CMD_DEEP_RESET);
4026 }
4027
4028
4029 int pvr2_hdw_cmd_powerup(struct pvr2_hdw *hdw)
4030 {
4031 return pvr2_issue_simple_cmd(hdw,FX2CMD_POWER_ON);
4032 }
4033
4034
4035
4036 int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *hdw)
4037 {
4038 pvr2_trace(PVR2_TRACE_INIT,
4039 "Requesting decoder reset");
4040 if (hdw->decoder_client_id) {
4041 v4l2_device_call_all(&hdw->v4l2_dev, hdw->decoder_client_id,
4042 core, reset, 0);
4043 pvr2_hdw_cx25840_vbi_hack(hdw);
4044 return 0;
4045 }
4046 pvr2_trace(PVR2_TRACE_INIT,
4047 "Unable to reset decoder: nothing attached");
4048 return -ENOTTY;
4049 }
4050
4051
4052 static int pvr2_hdw_cmd_hcw_demod_reset(struct pvr2_hdw *hdw, int onoff)
4053 {
4054 hdw->flag_ok = !0;
4055 return pvr2_issue_simple_cmd(hdw,
4056 FX2CMD_HCW_DEMOD_RESETIN |
4057 (1 << 8) |
4058 ((onoff ? 1 : 0) << 16));
4059 }
4060
4061
4062 static int pvr2_hdw_cmd_onair_fe_power_ctrl(struct pvr2_hdw *hdw, int onoff)
4063 {
4064 hdw->flag_ok = !0;
4065 return pvr2_issue_simple_cmd(hdw,(onoff ?
4066 FX2CMD_ONAIR_DTV_POWER_ON :
4067 FX2CMD_ONAIR_DTV_POWER_OFF));
4068 }
4069
4070
4071 static int pvr2_hdw_cmd_onair_digital_path_ctrl(struct pvr2_hdw *hdw,
4072 int onoff)
4073 {
4074 return pvr2_issue_simple_cmd(hdw,(onoff ?
4075 FX2CMD_ONAIR_DTV_STREAMING_ON :
4076 FX2CMD_ONAIR_DTV_STREAMING_OFF));
4077 }
4078
4079
4080 static void pvr2_hdw_cmd_modeswitch(struct pvr2_hdw *hdw,int digitalFl)
4081 {
4082 int cmode;
4083 /* Compare digital/analog desired setting with current setting. If
4084 they don't match, fix it... */
4085 cmode = (digitalFl ? PVR2_PATHWAY_DIGITAL : PVR2_PATHWAY_ANALOG);
4086 if (cmode == hdw->pathway_state) {
4087 /* They match; nothing to do */
4088 return;
4089 }
4090
4091 switch (hdw->hdw_desc->digital_control_scheme) {
4092 case PVR2_DIGITAL_SCHEME_HAUPPAUGE:
4093 pvr2_hdw_cmd_hcw_demod_reset(hdw,digitalFl);
4094 if (cmode == PVR2_PATHWAY_ANALOG) {
4095 /* If moving to analog mode, also force the decoder
4096 to reset. If no decoder is attached, then it's
4097 ok to ignore this because if/when the decoder
4098 attaches, it will reset itself at that time. */
4099 pvr2_hdw_cmd_decoder_reset(hdw);
4100 }
4101 break;
4102 case PVR2_DIGITAL_SCHEME_ONAIR:
4103 /* Supposedly we should always have the power on whether in
4104 digital or analog mode. But for now do what appears to
4105 work... */
4106 pvr2_hdw_cmd_onair_fe_power_ctrl(hdw,digitalFl);
4107 break;
4108 default: break;
4109 }
4110
4111 pvr2_hdw_untrip_unlocked(hdw);
4112 hdw->pathway_state = cmode;
4113 }
4114
4115
4116 static void pvr2_led_ctrl_hauppauge(struct pvr2_hdw *hdw, int onoff)
4117 {
4118 /* change some GPIO data
4119 *
4120 * note: bit d7 of dir appears to control the LED,
4121 * so we shut it off here.
4122 *
4123 */
4124 if (onoff) {
4125 pvr2_hdw_gpio_chg_dir(hdw, 0xffffffff, 0x00000481);
4126 } else {
4127 pvr2_hdw_gpio_chg_dir(hdw, 0xffffffff, 0x00000401);
4128 }
4129 pvr2_hdw_gpio_chg_out(hdw, 0xffffffff, 0x00000000);
4130 }
4131
4132
4133 typedef void (*led_method_func)(struct pvr2_hdw *,int);
4134
4135 static led_method_func led_methods[] = {
4136 [PVR2_LED_SCHEME_HAUPPAUGE] = pvr2_led_ctrl_hauppauge,
4137 };
4138
4139
4140 /* Toggle LED */
4141 static void pvr2_led_ctrl(struct pvr2_hdw *hdw,int onoff)
4142 {
4143 unsigned int scheme_id;
4144 led_method_func fp;
4145
4146 if ((!onoff) == (!hdw->led_on)) return;
4147
4148 hdw->led_on = onoff != 0;
4149
4150 scheme_id = hdw->hdw_desc->led_scheme;
4151 if (scheme_id < ARRAY_SIZE(led_methods)) {
4152 fp = led_methods[scheme_id];
4153 } else {
4154 fp = NULL;
4155 }
4156
4157 if (fp) (*fp)(hdw,onoff);
4158 }
4159
4160
4161 /* Stop / start video stream transport */
4162 static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl)
4163 {
4164 int ret;
4165
4166 /* If we're in analog mode, then just issue the usual analog
4167 command. */
4168 if (hdw->pathway_state == PVR2_PATHWAY_ANALOG) {
4169 return pvr2_issue_simple_cmd(hdw,
4170 (runFl ?
4171 FX2CMD_STREAMING_ON :
4172 FX2CMD_STREAMING_OFF));
4173 /*Note: Not reached */
4174 }
4175
4176 if (hdw->pathway_state != PVR2_PATHWAY_DIGITAL) {
4177 /* Whoops, we don't know what mode we're in... */
4178 return -EINVAL;
4179 }
4180
4181 /* To get here we have to be in digital mode. The mechanism here
4182 is unfortunately different for different vendors. So we switch
4183 on the device's digital scheme attribute in order to figure out
4184 what to do. */
4185 switch (hdw->hdw_desc->digital_control_scheme) {
4186 case PVR2_DIGITAL_SCHEME_HAUPPAUGE:
4187 return pvr2_issue_simple_cmd(hdw,
4188 (runFl ?
4189 FX2CMD_HCW_DTV_STREAMING_ON :
4190 FX2CMD_HCW_DTV_STREAMING_OFF));
4191 case PVR2_DIGITAL_SCHEME_ONAIR:
4192 ret = pvr2_issue_simple_cmd(hdw,
4193 (runFl ?
4194 FX2CMD_STREAMING_ON :
4195 FX2CMD_STREAMING_OFF));
4196 if (ret) return ret;
4197 return pvr2_hdw_cmd_onair_digital_path_ctrl(hdw,runFl);
4198 default:
4199 return -EINVAL;
4200 }
4201 }
4202
4203
4204 /* Evaluate whether or not state_pathway_ok can change */
4205 static int state_eval_pathway_ok(struct pvr2_hdw *hdw)
4206 {
4207 if (hdw->state_pathway_ok) {
4208 /* Nothing to do if pathway is already ok */
4209 return 0;
4210 }
4211 if (!hdw->state_pipeline_idle) {
4212 /* Not allowed to change anything if pipeline is not idle */
4213 return 0;
4214 }
4215 pvr2_hdw_cmd_modeswitch(hdw,hdw->input_val == PVR2_CVAL_INPUT_DTV);
4216 hdw->state_pathway_ok = !0;
4217 trace_stbit("state_pathway_ok",hdw->state_pathway_ok);
4218 return !0;
4219 }
4220
4221
4222 /* Evaluate whether or not state_encoder_ok can change */
4223 static int state_eval_encoder_ok(struct pvr2_hdw *hdw)
4224 {
4225 if (hdw->state_encoder_ok) return 0;
4226 if (hdw->flag_tripped) return 0;
4227 if (hdw->state_encoder_run) return 0;
4228 if (hdw->state_encoder_config) return 0;
4229 if (hdw->state_decoder_run) return 0;
4230 if (hdw->state_usbstream_run) return 0;
4231 if (hdw->pathway_state == PVR2_PATHWAY_DIGITAL) {
4232 if (!hdw->hdw_desc->flag_digital_requires_cx23416) return 0;
4233 } else if (hdw->pathway_state != PVR2_PATHWAY_ANALOG) {
4234 return 0;
4235 }
4236
4237 if (pvr2_upload_firmware2(hdw) < 0) {
4238 hdw->flag_tripped = !0;
4239 trace_stbit("flag_tripped",hdw->flag_tripped);
4240 return !0;
4241 }
4242 hdw->state_encoder_ok = !0;
4243 trace_stbit("state_encoder_ok",hdw->state_encoder_ok);
4244 return !0;
4245 }
4246
4247
4248 /* Evaluate whether or not state_encoder_config can change */
4249 static int state_eval_encoder_config(struct pvr2_hdw *hdw)
4250 {
4251 if (hdw->state_encoder_config) {
4252 if (hdw->state_encoder_ok) {
4253 if (hdw->state_pipeline_req &&
4254 !hdw->state_pipeline_pause) return 0;
4255 }
4256 hdw->state_encoder_config = 0;
4257 hdw->state_encoder_waitok = 0;
4258 trace_stbit("state_encoder_waitok",hdw->state_encoder_waitok);
4259 /* paranoia - solve race if timer just completed */
4260 del_timer_sync(&hdw->encoder_wait_timer);
4261 } else {
4262 if (!hdw->state_pathway_ok ||
4263 (hdw->pathway_state != PVR2_PATHWAY_ANALOG) ||
4264 !hdw->state_encoder_ok ||
4265 !hdw->state_pipeline_idle ||
4266 hdw->state_pipeline_pause ||
4267 !hdw->state_pipeline_req ||
4268 !hdw->state_pipeline_config) {
4269 /* We must reset the enforced wait interval if
4270 anything has happened that might have disturbed
4271 the encoder. This should be a rare case. */
4272 if (timer_pending(&hdw->encoder_wait_timer)) {
4273 del_timer_sync(&hdw->encoder_wait_timer);
4274 }
4275 if (hdw->state_encoder_waitok) {
4276 /* Must clear the state - therefore we did
4277 something to a state bit and must also
4278 return true. */
4279 hdw->state_encoder_waitok = 0;
4280 trace_stbit("state_encoder_waitok",
4281 hdw->state_encoder_waitok);
4282 return !0;
4283 }
4284 return 0;
4285 }
4286 if (!hdw->state_encoder_waitok) {
4287 if (!timer_pending(&hdw->encoder_wait_timer)) {
4288 /* waitok flag wasn't set and timer isn't
4289 running. Check flag once more to avoid
4290 a race then start the timer. This is
4291 the point when we measure out a minimal
4292 quiet interval before doing something to
4293 the encoder. */
4294 if (!hdw->state_encoder_waitok) {
4295 hdw->encoder_wait_timer.expires =
4296 jiffies + msecs_to_jiffies(
4297 TIME_MSEC_ENCODER_WAIT);
4298 add_timer(&hdw->encoder_wait_timer);
4299 }
4300 }
4301 /* We can't continue until we know we have been
4302 quiet for the interval measured by this
4303 timer. */
4304 return 0;
4305 }
4306 pvr2_encoder_configure(hdw);
4307 if (hdw->state_encoder_ok) hdw->state_encoder_config = !0;
4308 }
4309 trace_stbit("state_encoder_config",hdw->state_encoder_config);
4310 return !0;
4311 }
4312
4313
4314 /* Return true if the encoder should not be running. */
4315 static int state_check_disable_encoder_run(struct pvr2_hdw *hdw)
4316 {
4317 if (!hdw->state_encoder_ok) {
4318 /* Encoder isn't healthy at the moment, so stop it. */
4319 return !0;
4320 }
4321 if (!hdw->state_pathway_ok) {
4322 /* Mode is not understood at the moment (i.e. it wants to
4323 change), so encoder must be stopped. */
4324 return !0;
4325 }
4326
4327 switch (hdw->pathway_state) {
4328 case PVR2_PATHWAY_ANALOG:
4329 if (!hdw->state_decoder_run) {
4330 /* We're in analog mode and the decoder is not
4331 running; thus the encoder should be stopped as
4332 well. */
4333 return !0;
4334 }
4335 break;
4336 case PVR2_PATHWAY_DIGITAL:
4337 if (hdw->state_encoder_runok) {
4338 /* This is a funny case. We're in digital mode so
4339 really the encoder should be stopped. However
4340 if it really is running, only kill it after
4341 runok has been set. This gives a chance for the
4342 onair quirk to function (encoder must run
4343 briefly first, at least once, before onair
4344 digital streaming can work). */
4345 return !0;
4346 }
4347 break;
4348 default:
4349 /* Unknown mode; so encoder should be stopped. */
4350 return !0;
4351 }
4352
4353 /* If we get here, we haven't found a reason to stop the
4354 encoder. */
4355 return 0;
4356 }
4357
4358
4359 /* Return true if the encoder should be running. */
4360 static int state_check_enable_encoder_run(struct pvr2_hdw *hdw)
4361 {
4362 if (!hdw->state_encoder_ok) {
4363 /* Don't run the encoder if it isn't healthy... */
4364 return 0;
4365 }
4366 if (!hdw->state_pathway_ok) {
4367 /* Don't run the encoder if we don't (yet) know what mode
4368 we need to be in... */
4369 return 0;
4370 }
4371
4372 switch (hdw->pathway_state) {
4373 case PVR2_PATHWAY_ANALOG:
4374 if (hdw->state_decoder_run && hdw->state_decoder_ready) {
4375 /* In analog mode, if the decoder is running, then
4376 run the encoder. */
4377 return !0;
4378 }
4379 break;
4380 case PVR2_PATHWAY_DIGITAL:
4381 if ((hdw->hdw_desc->digital_control_scheme ==
4382 PVR2_DIGITAL_SCHEME_ONAIR) &&
4383 !hdw->state_encoder_runok) {
4384 /* This is a quirk. OnAir hardware won't stream
4385 digital until the encoder has been run at least
4386 once, for a minimal period of time (empiricially
4387 measured to be 1/4 second). So if we're on
4388 OnAir hardware and the encoder has never been
4389 run at all, then start the encoder. Normal
4390 state machine logic in the driver will
4391 automatically handle the remaining bits. */
4392 return !0;
4393 }
4394 break;
4395 default:
4396 /* For completeness (unknown mode; encoder won't run ever) */
4397 break;
4398 }
4399 /* If we get here, then we haven't found any reason to run the
4400 encoder, so don't run it. */
4401 return 0;
4402 }
4403
4404
4405 /* Evaluate whether or not state_encoder_run can change */
4406 static int state_eval_encoder_run(struct pvr2_hdw *hdw)
4407 {
4408 if (hdw->state_encoder_run) {
4409 if (!state_check_disable_encoder_run(hdw)) return 0;
4410 if (hdw->state_encoder_ok) {
4411 del_timer_sync(&hdw->encoder_run_timer);
4412 if (pvr2_encoder_stop(hdw) < 0) return !0;
4413 }
4414 hdw->state_encoder_run = 0;
4415 } else {
4416 if (!state_check_enable_encoder_run(hdw)) return 0;
4417 if (pvr2_encoder_start(hdw) < 0) return !0;
4418 hdw->state_encoder_run = !0;
4419 if (!hdw->state_encoder_runok) {
4420 hdw->encoder_run_timer.expires = jiffies +
4421 msecs_to_jiffies(TIME_MSEC_ENCODER_OK);
4422 add_timer(&hdw->encoder_run_timer);
4423 }
4424 }
4425 trace_stbit("state_encoder_run",hdw->state_encoder_run);
4426 return !0;
4427 }
4428
4429
4430 /* Timeout function for quiescent timer. */
4431 static void pvr2_hdw_quiescent_timeout(unsigned long data)
4432 {
4433 struct pvr2_hdw *hdw = (struct pvr2_hdw *)data;
4434 hdw->state_decoder_quiescent = !0;
4435 trace_stbit("state_decoder_quiescent",hdw->state_decoder_quiescent);
4436 hdw->state_stale = !0;
4437 schedule_work(&hdw->workpoll);
4438 }
4439
4440
4441 /* Timeout function for decoder stabilization timer. */
4442 static void pvr2_hdw_decoder_stabilization_timeout(unsigned long data)
4443 {
4444 struct pvr2_hdw *hdw = (struct pvr2_hdw *)data;
4445 hdw->state_decoder_ready = !0;
4446 trace_stbit("state_decoder_ready", hdw->state_decoder_ready);
4447 hdw->state_stale = !0;
4448 schedule_work(&hdw->workpoll);
4449 }
4450
4451
4452 /* Timeout function for encoder wait timer. */
4453 static void pvr2_hdw_encoder_wait_timeout(unsigned long data)
4454 {
4455 struct pvr2_hdw *hdw = (struct pvr2_hdw *)data;
4456 hdw->state_encoder_waitok = !0;
4457 trace_stbit("state_encoder_waitok",hdw->state_encoder_waitok);
4458 hdw->state_stale = !0;
4459 schedule_work(&hdw->workpoll);
4460 }
4461
4462
4463 /* Timeout function for encoder run timer. */
4464 static void pvr2_hdw_encoder_run_timeout(unsigned long data)
4465 {
4466 struct pvr2_hdw *hdw = (struct pvr2_hdw *)data;
4467 if (!hdw->state_encoder_runok) {
4468 hdw->state_encoder_runok = !0;
4469 trace_stbit("state_encoder_runok",hdw->state_encoder_runok);
4470 hdw->state_stale = !0;
4471 schedule_work(&hdw->workpoll);
4472 }
4473 }
4474
4475
4476 /* Evaluate whether or not state_decoder_run can change */
4477 static int state_eval_decoder_run(struct pvr2_hdw *hdw)
4478 {
4479 if (hdw->state_decoder_run) {
4480 if (hdw->state_encoder_ok) {
4481 if (hdw->state_pipeline_req &&
4482 !hdw->state_pipeline_pause &&
4483 hdw->state_pathway_ok) return 0;
4484 }
4485 if (!hdw->flag_decoder_missed) {
4486 pvr2_decoder_enable(hdw,0);
4487 }
4488 hdw->state_decoder_quiescent = 0;
4489 hdw->state_decoder_run = 0;
4490 /* paranoia - solve race if timer(s) just completed */
4491 del_timer_sync(&hdw->quiescent_timer);
4492 /* Kill the stabilization timer, in case we're killing the
4493 encoder before the previous stabilization interval has
4494 been properly timed. */
4495 del_timer_sync(&hdw->decoder_stabilization_timer);
4496 hdw->state_decoder_ready = 0;
4497 } else {
4498 if (!hdw->state_decoder_quiescent) {
4499 if (!timer_pending(&hdw->quiescent_timer)) {
4500 /* We don't do something about the
4501 quiescent timer until right here because
4502 we also want to catch cases where the
4503 decoder was already not running (like
4504 after initialization) as opposed to
4505 knowing that we had just stopped it.
4506 The second flag check is here to cover a
4507 race - the timer could have run and set
4508 this flag just after the previous check
4509 but before we did the pending check. */
4510 if (!hdw->state_decoder_quiescent) {
4511 hdw->quiescent_timer.expires =
4512 jiffies + msecs_to_jiffies(
4513 TIME_MSEC_DECODER_WAIT);
4514 add_timer(&hdw->quiescent_timer);
4515 }
4516 }
4517 /* Don't allow decoder to start again until it has
4518 been quiesced first. This little detail should
4519 hopefully further stabilize the encoder. */
4520 return 0;
4521 }
4522 if (!hdw->state_pathway_ok ||
4523 (hdw->pathway_state != PVR2_PATHWAY_ANALOG) ||
4524 !hdw->state_pipeline_req ||
4525 hdw->state_pipeline_pause ||
4526 !hdw->state_pipeline_config ||
4527 !hdw->state_encoder_config ||
4528 !hdw->state_encoder_ok) return 0;
4529 del_timer_sync(&hdw->quiescent_timer);
4530 if (hdw->flag_decoder_missed) return 0;
4531 if (pvr2_decoder_enable(hdw,!0) < 0) return 0;
4532 hdw->state_decoder_quiescent = 0;
4533 hdw->state_decoder_ready = 0;
4534 hdw->state_decoder_run = !0;
4535 if (hdw->decoder_client_id == PVR2_CLIENT_ID_SAA7115) {
4536 hdw->decoder_stabilization_timer.expires =
4537 jiffies + msecs_to_jiffies(
4538 TIME_MSEC_DECODER_STABILIZATION_WAIT);
4539 add_timer(&hdw->decoder_stabilization_timer);
4540 } else {
4541 hdw->state_decoder_ready = !0;
4542 }
4543 }
4544 trace_stbit("state_decoder_quiescent",hdw->state_decoder_quiescent);
4545 trace_stbit("state_decoder_run",hdw->state_decoder_run);
4546 trace_stbit("state_decoder_ready", hdw->state_decoder_ready);
4547 return !0;
4548 }
4549
4550
4551 /* Evaluate whether or not state_usbstream_run can change */
4552 static int state_eval_usbstream_run(struct pvr2_hdw *hdw)
4553 {
4554 if (hdw->state_usbstream_run) {
4555 int fl = !0;
4556 if (hdw->pathway_state == PVR2_PATHWAY_ANALOG) {
4557 fl = (hdw->state_encoder_ok &&
4558 hdw->state_encoder_run);
4559 } else if ((hdw->pathway_state == PVR2_PATHWAY_DIGITAL) &&
4560 (hdw->hdw_desc->flag_digital_requires_cx23416)) {
4561 fl = hdw->state_encoder_ok;
4562 }
4563 if (fl &&
4564 hdw->state_pipeline_req &&
4565 !hdw->state_pipeline_pause &&
4566 hdw->state_pathway_ok) {
4567 return 0;
4568 }
4569 pvr2_hdw_cmd_usbstream(hdw,0);
4570 hdw->state_usbstream_run = 0;
4571 } else {
4572 if (!hdw->state_pipeline_req ||
4573 hdw->state_pipeline_pause ||
4574 !hdw->state_pathway_ok) return 0;
4575 if (hdw->pathway_state == PVR2_PATHWAY_ANALOG) {
4576 if (!hdw->state_encoder_ok ||
4577 !hdw->state_encoder_run) return 0;
4578 } else if ((hdw->pathway_state == PVR2_PATHWAY_DIGITAL) &&
4579 (hdw->hdw_desc->flag_digital_requires_cx23416)) {
4580 if (!hdw->state_encoder_ok) return 0;
4581 if (hdw->state_encoder_run) return 0;
4582 if (hdw->hdw_desc->digital_control_scheme ==
4583 PVR2_DIGITAL_SCHEME_ONAIR) {
4584 /* OnAir digital receivers won't stream
4585 unless the analog encoder has run first.
4586 Why? I have no idea. But don't even
4587 try until we know the analog side is
4588 known to have run. */
4589 if (!hdw->state_encoder_runok) return 0;
4590 }
4591 }
4592 if (pvr2_hdw_cmd_usbstream(hdw,!0) < 0) return 0;
4593 hdw->state_usbstream_run = !0;
4594 }
4595 trace_stbit("state_usbstream_run",hdw->state_usbstream_run);
4596 return !0;
4597 }
4598
4599
4600 /* Attempt to configure pipeline, if needed */
4601 static int state_eval_pipeline_config(struct pvr2_hdw *hdw)
4602 {
4603 if (hdw->state_pipeline_config ||
4604 hdw->state_pipeline_pause) return 0;
4605 pvr2_hdw_commit_execute(hdw);
4606 return !0;
4607 }
4608
4609
4610 /* Update pipeline idle and pipeline pause tracking states based on other
4611 inputs. This must be called whenever the other relevant inputs have
4612 changed. */
4613 static int state_update_pipeline_state(struct pvr2_hdw *hdw)
4614 {
4615 unsigned int st;
4616 int updatedFl = 0;
4617 /* Update pipeline state */
4618 st = !(hdw->state_encoder_run ||
4619 hdw->state_decoder_run ||
4620 hdw->state_usbstream_run ||
4621 (!hdw->state_decoder_quiescent));
4622 if (!st != !hdw->state_pipeline_idle) {
4623 hdw->state_pipeline_idle = st;
4624 updatedFl = !0;
4625 }
4626 if (hdw->state_pipeline_idle && hdw->state_pipeline_pause) {
4627 hdw->state_pipeline_pause = 0;
4628 updatedFl = !0;
4629 }
4630 return updatedFl;
4631 }
4632
4633
4634 typedef int (*state_eval_func)(struct pvr2_hdw *);
4635
4636 /* Set of functions to be run to evaluate various states in the driver. */
4637 static const state_eval_func eval_funcs[] = {
4638 state_eval_pathway_ok,
4639 state_eval_pipeline_config,
4640 state_eval_encoder_ok,
4641 state_eval_encoder_config,
4642 state_eval_decoder_run,
4643 state_eval_encoder_run,
4644 state_eval_usbstream_run,
4645 };
4646
4647
4648 /* Process various states and return true if we did anything interesting. */
4649 static int pvr2_hdw_state_update(struct pvr2_hdw *hdw)
4650 {
4651 unsigned int i;
4652 int state_updated = 0;
4653 int check_flag;
4654
4655 if (!hdw->state_stale) return 0;
4656 if ((hdw->fw1_state != FW1_STATE_OK) ||
4657 !hdw->flag_ok) {
4658 hdw->state_stale = 0;
4659 return !0;
4660 }
4661 /* This loop is the heart of the entire driver. It keeps trying to
4662 evaluate various bits of driver state until nothing changes for
4663 one full iteration. Each "bit of state" tracks some global
4664 aspect of the driver, e.g. whether decoder should run, if
4665 pipeline is configured, usb streaming is on, etc. We separately
4666 evaluate each of those questions based on other driver state to
4667 arrive at the correct running configuration. */
4668 do {
4669 check_flag = 0;
4670 state_update_pipeline_state(hdw);
4671 /* Iterate over each bit of state */
4672 for (i = 0; (i<ARRAY_SIZE(eval_funcs)) && hdw->flag_ok; i++) {
4673 if ((*eval_funcs[i])(hdw)) {
4674 check_flag = !0;
4675 state_updated = !0;
4676 state_update_pipeline_state(hdw);
4677 }
4678 }
4679 } while (check_flag && hdw->flag_ok);
4680 hdw->state_stale = 0;
4681 trace_stbit("state_stale",hdw->state_stale);
4682 return state_updated;
4683 }
4684
4685
4686 static unsigned int print_input_mask(unsigned int msk,
4687 char *buf,unsigned int acnt)
4688 {
4689 unsigned int idx,ccnt;
4690 unsigned int tcnt = 0;
4691 for (idx = 0; idx < ARRAY_SIZE(control_values_input); idx++) {
4692 if (!((1 << idx) & msk)) continue;
4693 ccnt = scnprintf(buf+tcnt,
4694 acnt-tcnt,
4695 "%s%s",
4696 (tcnt ? ", " : ""),
4697 control_values_input[idx]);
4698 tcnt += ccnt;
4699 }
4700 return tcnt;
4701 }
4702
4703
4704 static const char *pvr2_pathway_state_name(int id)
4705 {
4706 switch (id) {
4707 case PVR2_PATHWAY_ANALOG: return "analog";
4708 case PVR2_PATHWAY_DIGITAL: return "digital";
4709 default: return "unknown";
4710 }
4711 }
4712
4713
4714 static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which,
4715 char *buf,unsigned int acnt)
4716 {
4717 switch (which) {
4718 case 0:
4719 return scnprintf(
4720 buf,acnt,
4721 "driver:%s%s%s%s%s <mode=%s>",
4722 (hdw->flag_ok ? " <ok>" : " <fail>"),
4723 (hdw->flag_init_ok ? " <init>" : " <uninitialized>"),
4724 (hdw->flag_disconnected ? " <disconnected>" :
4725 " <connected>"),
4726 (hdw->flag_tripped ? " <tripped>" : ""),
4727 (hdw->flag_decoder_missed ? " <no decoder>" : ""),
4728 pvr2_pathway_state_name(hdw->pathway_state));
4729
4730 case 1:
4731 return scnprintf(
4732 buf,acnt,
4733 "pipeline:%s%s%s%s",
4734 (hdw->state_pipeline_idle ? " <idle>" : ""),
4735 (hdw->state_pipeline_config ?
4736 " <configok>" : " <stale>"),
4737 (hdw->state_pipeline_req ? " <req>" : ""),
4738 (hdw->state_pipeline_pause ? " <pause>" : ""));
4739 case 2:
4740 return scnprintf(
4741 buf,acnt,
4742 "worker:%s%s%s%s%s%s%s",
4743 (hdw->state_decoder_run ?
4744 (hdw->state_decoder_ready ?
4745 "<decode:run>" : " <decode:start>") :
4746 (hdw->state_decoder_quiescent ?
4747 "" : " <decode:stop>")),
4748 (hdw->state_decoder_quiescent ?
4749 " <decode:quiescent>" : ""),
4750 (hdw->state_encoder_ok ?
4751 "" : " <encode:init>"),
4752 (hdw->state_encoder_run ?
4753 (hdw->state_encoder_runok ?
4754 " <encode:run>" :
4755 " <encode:firstrun>") :
4756 (hdw->state_encoder_runok ?
4757 " <encode:stop>" :
4758 " <encode:virgin>")),
4759 (hdw->state_encoder_config ?
4760 " <encode:configok>" :
4761 (hdw->state_encoder_waitok ?
4762 "" : " <encode:waitok>")),
4763 (hdw->state_usbstream_run ?
4764 " <usb:run>" : " <usb:stop>"),
4765 (hdw->state_pathway_ok ?
4766 " <pathway:ok>" : ""));
4767 case 3:
4768 return scnprintf(
4769 buf,acnt,
4770 "state: %s",
4771 pvr2_get_state_name(hdw->master_state));
4772 case 4: {
4773 unsigned int tcnt = 0;
4774 unsigned int ccnt;
4775
4776 ccnt = scnprintf(buf,
4777 acnt,
4778 "Hardware supported inputs: ");
4779 tcnt += ccnt;
4780 tcnt += print_input_mask(hdw->input_avail_mask,
4781 buf+tcnt,
4782 acnt-tcnt);
4783 if (hdw->input_avail_mask != hdw->input_allowed_mask) {
4784 ccnt = scnprintf(buf+tcnt,
4785 acnt-tcnt,
4786 "; allowed inputs: ");
4787 tcnt += ccnt;
4788 tcnt += print_input_mask(hdw->input_allowed_mask,
4789 buf+tcnt,
4790 acnt-tcnt);
4791 }
4792 return tcnt;
4793 }
4794 case 5: {
4795 struct pvr2_stream_stats stats;
4796 if (!hdw->vid_stream) break;
4797 pvr2_stream_get_stats(hdw->vid_stream,
4798 &stats,
4799 0);
4800 return scnprintf(
4801 buf,acnt,
4802 "Bytes streamed=%u"
4803 " URBs: queued=%u idle=%u ready=%u"
4804 " processed=%u failed=%u",
4805 stats.bytes_processed,
4806 stats.buffers_in_queue,
4807 stats.buffers_in_idle,
4808 stats.buffers_in_ready,
4809 stats.buffers_processed,
4810 stats.buffers_failed);
4811 }
4812 case 6: {
4813 unsigned int id = hdw->ir_scheme_active;
4814 return scnprintf(buf, acnt, "ir scheme: id=%d %s", id,
4815 (id >= ARRAY_SIZE(ir_scheme_names) ?
4816 "?" : ir_scheme_names[id]));
4817 }
4818 default: break;
4819 }
4820 return 0;
4821 }
4822
4823
4824 /* Generate report containing info about attached sub-devices and attached
4825 i2c clients, including an indication of which attached i2c clients are
4826 actually sub-devices. */
4827 static unsigned int pvr2_hdw_report_clients(struct pvr2_hdw *hdw,
4828 char *buf, unsigned int acnt)
4829 {
4830 struct v4l2_subdev *sd;
4831 unsigned int tcnt = 0;
4832 unsigned int ccnt;
4833 struct i2c_client *client;
4834 const char *p;
4835 unsigned int id;
4836
4837 ccnt = scnprintf(buf, acnt, "Associated v4l2-subdev drivers and I2C clients:\n");
4838 tcnt += ccnt;
4839 v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) {
4840 id = sd->grp_id;
4841 p = NULL;
4842 if (id < ARRAY_SIZE(module_names)) p = module_names[id];
4843 if (p) {
4844 ccnt = scnprintf(buf + tcnt, acnt - tcnt, " %s:", p);
4845 tcnt += ccnt;
4846 } else {
4847 ccnt = scnprintf(buf + tcnt, acnt - tcnt,
4848 " (unknown id=%u):", id);
4849 tcnt += ccnt;
4850 }
4851 client = v4l2_get_subdevdata(sd);
4852 if (client) {
4853 ccnt = scnprintf(buf + tcnt, acnt - tcnt,
4854 " %s @ %02x\n", client->name,
4855 client->addr);
4856 tcnt += ccnt;
4857 } else {
4858 ccnt = scnprintf(buf + tcnt, acnt - tcnt,
4859 " no i2c client\n");
4860 tcnt += ccnt;
4861 }
4862 }
4863 return tcnt;
4864 }
4865
4866
4867 unsigned int pvr2_hdw_state_report(struct pvr2_hdw *hdw,
4868 char *buf,unsigned int acnt)
4869 {
4870 unsigned int bcnt,ccnt,idx;
4871 bcnt = 0;
4872 LOCK_TAKE(hdw->big_lock);
4873 for (idx = 0; ; idx++) {
4874 ccnt = pvr2_hdw_report_unlocked(hdw,idx,buf,acnt);
4875 if (!ccnt) break;
4876 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
4877 if (!acnt) break;
4878 buf[0] = '\n'; ccnt = 1;
4879 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
4880 }
4881 ccnt = pvr2_hdw_report_clients(hdw, buf, acnt);
4882 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
4883 LOCK_GIVE(hdw->big_lock);
4884 return bcnt;
4885 }
4886
4887
4888 static void pvr2_hdw_state_log_state(struct pvr2_hdw *hdw)
4889 {
4890 char buf[256];
4891 unsigned int idx, ccnt;
4892 unsigned int lcnt, ucnt;
4893
4894 for (idx = 0; ; idx++) {
4895 ccnt = pvr2_hdw_report_unlocked(hdw,idx,buf,sizeof(buf));
4896 if (!ccnt) break;
4897 printk(KERN_INFO "%s %.*s\n",hdw->name,ccnt,buf);
4898 }
4899 ccnt = pvr2_hdw_report_clients(hdw, buf, sizeof(buf));
4900 if (ccnt >= sizeof(buf))
4901 ccnt = sizeof(buf);
4902
4903 ucnt = 0;
4904 while (ucnt < ccnt) {
4905 lcnt = 0;
4906 while ((lcnt + ucnt < ccnt) && (buf[lcnt + ucnt] != '\n')) {
4907 lcnt++;
4908 }
4909 printk(KERN_INFO "%s %.*s\n", hdw->name, lcnt, buf + ucnt);
4910 ucnt += lcnt + 1;
4911 }
4912 }
4913
4914
4915 /* Evaluate and update the driver's current state, taking various actions
4916 as appropriate for the update. */
4917 static int pvr2_hdw_state_eval(struct pvr2_hdw *hdw)
4918 {
4919 unsigned int st;
4920 int state_updated = 0;
4921 int callback_flag = 0;
4922 int analog_mode;
4923
4924 pvr2_trace(PVR2_TRACE_STBITS,
4925 "Drive state check START");
4926 if (pvrusb2_debug & PVR2_TRACE_STBITS) {
4927 pvr2_hdw_state_log_state(hdw);
4928 }
4929
4930 /* Process all state and get back over disposition */
4931 state_updated = pvr2_hdw_state_update(hdw);
4932
4933 analog_mode = (hdw->pathway_state != PVR2_PATHWAY_DIGITAL);
4934
4935 /* Update master state based upon all other states. */
4936 if (!hdw->flag_ok) {
4937 st = PVR2_STATE_DEAD;
4938 } else if (hdw->fw1_state != FW1_STATE_OK) {
4939 st = PVR2_STATE_COLD;
4940 } else if ((analog_mode ||
4941 hdw->hdw_desc->flag_digital_requires_cx23416) &&
4942 !hdw->state_encoder_ok) {
4943 st = PVR2_STATE_WARM;
4944 } else if (hdw->flag_tripped ||
4945 (analog_mode && hdw->flag_decoder_missed)) {
4946 st = PVR2_STATE_ERROR;
4947 } else if (hdw->state_usbstream_run &&
4948 (!analog_mode ||
4949 (hdw->state_encoder_run && hdw->state_decoder_run))) {
4950 st = PVR2_STATE_RUN;
4951 } else {
4952 st = PVR2_STATE_READY;
4953 }
4954 if (hdw->master_state != st) {
4955 pvr2_trace(PVR2_TRACE_STATE,
4956 "Device state change from %s to %s",
4957 pvr2_get_state_name(hdw->master_state),
4958 pvr2_get_state_name(st));
4959 pvr2_led_ctrl(hdw,st == PVR2_STATE_RUN);
4960 hdw->master_state = st;
4961 state_updated = !0;
4962 callback_flag = !0;
4963 }
4964 if (state_updated) {
4965 /* Trigger anyone waiting on any state changes here. */
4966 wake_up(&hdw->state_wait_data);
4967 }
4968
4969 if (pvrusb2_debug & PVR2_TRACE_STBITS) {
4970 pvr2_hdw_state_log_state(hdw);
4971 }
4972 pvr2_trace(PVR2_TRACE_STBITS,
4973 "Drive state check DONE callback=%d",callback_flag);
4974
4975 return callback_flag;
4976 }
4977
4978
4979 /* Cause kernel thread to check / update driver state */
4980 static void pvr2_hdw_state_sched(struct pvr2_hdw *hdw)
4981 {
4982 if (hdw->state_stale) return;
4983 hdw->state_stale = !0;
4984 trace_stbit("state_stale",hdw->state_stale);
4985 schedule_work(&hdw->workpoll);
4986 }
4987
4988
4989 int pvr2_hdw_gpio_get_dir(struct pvr2_hdw *hdw,u32 *dp)
4990 {
4991 return pvr2_read_register(hdw,PVR2_GPIO_DIR,dp);
4992 }
4993
4994
4995 int pvr2_hdw_gpio_get_out(struct pvr2_hdw *hdw,u32 *dp)
4996 {
4997 return pvr2_read_register(hdw,PVR2_GPIO_OUT,dp);
4998 }
4999
5000
5001 int pvr2_hdw_gpio_get_in(struct pvr2_hdw *hdw,u32 *dp)
5002 {
5003 return pvr2_read_register(hdw,PVR2_GPIO_IN,dp);
5004 }
5005
5006
5007 int pvr2_hdw_gpio_chg_dir(struct pvr2_hdw *hdw,u32 msk,u32 val)
5008 {
5009 u32 cval,nval;
5010 int ret;
5011 if (~msk) {
5012 ret = pvr2_read_register(hdw,PVR2_GPIO_DIR,&cval);
5013 if (ret) return ret;
5014 nval = (cval & ~msk) | (val & msk);
5015 pvr2_trace(PVR2_TRACE_GPIO,
5016 "GPIO direction changing 0x%x:0x%x"
5017 " from 0x%x to 0x%x",
5018 msk,val,cval,nval);
5019 } else {
5020 nval = val;
5021 pvr2_trace(PVR2_TRACE_GPIO,
5022 "GPIO direction changing to 0x%x",nval);
5023 }
5024 return pvr2_write_register(hdw,PVR2_GPIO_DIR,nval);
5025 }
5026
5027
5028 int pvr2_hdw_gpio_chg_out(struct pvr2_hdw *hdw,u32 msk,u32 val)
5029 {
5030 u32 cval,nval;
5031 int ret;
5032 if (~msk) {
5033 ret = pvr2_read_register(hdw,PVR2_GPIO_OUT,&cval);
5034 if (ret) return ret;
5035 nval = (cval & ~msk) | (val & msk);
5036 pvr2_trace(PVR2_TRACE_GPIO,
5037 "GPIO output changing 0x%x:0x%x from 0x%x to 0x%x",
5038 msk,val,cval,nval);
5039 } else {
5040 nval = val;
5041 pvr2_trace(PVR2_TRACE_GPIO,
5042 "GPIO output changing to 0x%x",nval);
5043 }
5044 return pvr2_write_register(hdw,PVR2_GPIO_OUT,nval);
5045 }
5046
5047
5048 void pvr2_hdw_status_poll(struct pvr2_hdw *hdw)
5049 {
5050 struct v4l2_tuner *vtp = &hdw->tuner_signal_info;
5051 memset(vtp, 0, sizeof(*vtp));
5052 vtp->type = (hdw->input_val == PVR2_CVAL_INPUT_RADIO) ?
5053 V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
5054 hdw->tuner_signal_stale = 0;
5055 /* Note: There apparently is no replacement for VIDIOC_CROPCAP
5056 using v4l2-subdev - therefore we can't support that AT ALL right
5057 now. (Of course, no sub-drivers seem to implement it either.
5058 But now it's a a chicken and egg problem...) */
5059 v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner, g_tuner, vtp);
5060 pvr2_trace(PVR2_TRACE_CHIPS, "subdev status poll"
5061 " type=%u strength=%u audio=0x%x cap=0x%x"
5062 " low=%u hi=%u",
5063 vtp->type,
5064 vtp->signal, vtp->rxsubchans, vtp->capability,
5065 vtp->rangelow, vtp->rangehigh);
5066
5067 /* We have to do this to avoid getting into constant polling if
5068 there's nobody to answer a poll of cropcap info. */
5069 hdw->cropcap_stale = 0;
5070 }
5071
5072
5073 unsigned int pvr2_hdw_get_input_available(struct pvr2_hdw *hdw)
5074 {
5075 return hdw->input_avail_mask;
5076 }
5077
5078
5079 unsigned int pvr2_hdw_get_input_allowed(struct pvr2_hdw *hdw)
5080 {
5081 return hdw->input_allowed_mask;
5082 }
5083
5084
5085 static int pvr2_hdw_set_input(struct pvr2_hdw *hdw,int v)
5086 {
5087 if (hdw->input_val != v) {
5088 hdw->input_val = v;
5089 hdw->input_dirty = !0;
5090 }
5091
5092 /* Handle side effects - if we switch to a mode that needs the RF
5093 tuner, then select the right frequency choice as well and mark
5094 it dirty. */
5095 if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
5096 hdw->freqSelector = 0;
5097 hdw->freqDirty = !0;
5098 } else if ((hdw->input_val == PVR2_CVAL_INPUT_TV) ||
5099 (hdw->input_val == PVR2_CVAL_INPUT_DTV)) {
5100 hdw->freqSelector = 1;
5101 hdw->freqDirty = !0;
5102 }
5103 return 0;
5104 }
5105
5106
5107 int pvr2_hdw_set_input_allowed(struct pvr2_hdw *hdw,
5108 unsigned int change_mask,
5109 unsigned int change_val)
5110 {
5111 int ret = 0;
5112 unsigned int nv,m,idx;
5113 LOCK_TAKE(hdw->big_lock);
5114 do {
5115 nv = hdw->input_allowed_mask & ~change_mask;
5116 nv |= (change_val & change_mask);
5117 nv &= hdw->input_avail_mask;
5118 if (!nv) {
5119 /* No legal modes left; return error instead. */
5120 ret = -EPERM;
5121 break;
5122 }
5123 hdw->input_allowed_mask = nv;
5124 if ((1 << hdw->input_val) & hdw->input_allowed_mask) {
5125 /* Current mode is still in the allowed mask, so
5126 we're done. */
5127 break;
5128 }
5129 /* Select and switch to a mode that is still in the allowed
5130 mask */
5131 if (!hdw->input_allowed_mask) {
5132 /* Nothing legal; give up */
5133 break;
5134 }
5135 m = hdw->input_allowed_mask;
5136 for (idx = 0; idx < (sizeof(m) << 3); idx++) {
5137 if (!((1 << idx) & m)) continue;
5138 pvr2_hdw_set_input(hdw,idx);
5139 break;
5140 }
5141 } while (0);
5142 LOCK_GIVE(hdw->big_lock);
5143 return ret;
5144 }
5145
5146
5147 /* Find I2C address of eeprom */
5148 static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw)
5149 {
5150 int result;
5151 LOCK_TAKE(hdw->ctl_lock); do {
5152 hdw->cmd_buffer[0] = FX2CMD_GET_EEPROM_ADDR;
5153 result = pvr2_send_request(hdw,
5154 hdw->cmd_buffer,1,
5155 hdw->cmd_buffer,1);
5156 if (result < 0) break;
5157 result = hdw->cmd_buffer[0];
5158 } while(0); LOCK_GIVE(hdw->ctl_lock);
5159 return result;
5160 }
Linux with added FPC-III support