Commit | Line | Data |
---|---|---|
d855497e MI |
1 | /* |
2 | * | |
3 | * $Id$ | |
4 | * | |
5 | * Copyright (C) 2005 Mike Isely <isely@pobox.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <linux/errno.h> | |
23 | #include <linux/string.h> | |
24 | #include <linux/slab.h> | |
25 | #include <linux/firmware.h> | |
d855497e | 26 | #include <linux/videodev2.h> |
32ffa9ae | 27 | #include <media/v4l2-common.h> |
d855497e MI |
28 | #include "pvrusb2.h" |
29 | #include "pvrusb2-std.h" | |
30 | #include "pvrusb2-util.h" | |
31 | #include "pvrusb2-hdw.h" | |
32 | #include "pvrusb2-i2c-core.h" | |
33 | #include "pvrusb2-tuner.h" | |
34 | #include "pvrusb2-eeprom.h" | |
35 | #include "pvrusb2-hdw-internal.h" | |
36 | #include "pvrusb2-encoder.h" | |
37 | #include "pvrusb2-debug.h" | |
8d364363 | 38 | #include "pvrusb2-fx2-cmd.h" |
d855497e | 39 | |
1bde0289 MI |
40 | #define TV_MIN_FREQ 55250000L |
41 | #define TV_MAX_FREQ 850000000L | |
25d8527a | 42 | |
a0fd1cb1 | 43 | static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = NULL}; |
8df0c87c | 44 | static DEFINE_MUTEX(pvr2_unit_mtx); |
d855497e | 45 | |
ff699e6b | 46 | static int ctlchg; |
d855497e | 47 | static int initusbreset = 1; |
ff699e6b | 48 | static int procreload; |
d855497e MI |
49 | static int tuner[PVR_NUM] = { [0 ... PVR_NUM-1] = -1 }; |
50 | static int tolerance[PVR_NUM] = { [0 ... PVR_NUM-1] = 0 }; | |
51 | static int video_std[PVR_NUM] = { [0 ... PVR_NUM-1] = 0 }; | |
ff699e6b | 52 | static int init_pause_msec; |
d855497e MI |
53 | |
54 | module_param(ctlchg, int, S_IRUGO|S_IWUSR); | |
55 | MODULE_PARM_DESC(ctlchg, "0=optimize ctl change 1=always accept new ctl value"); | |
56 | module_param(init_pause_msec, int, S_IRUGO|S_IWUSR); | |
57 | MODULE_PARM_DESC(init_pause_msec, "hardware initialization settling delay"); | |
58 | module_param(initusbreset, int, S_IRUGO|S_IWUSR); | |
59 | MODULE_PARM_DESC(initusbreset, "Do USB reset device on probe"); | |
60 | module_param(procreload, int, S_IRUGO|S_IWUSR); | |
61 | MODULE_PARM_DESC(procreload, | |
62 | "Attempt init failure recovery with firmware reload"); | |
63 | module_param_array(tuner, int, NULL, 0444); | |
64 | MODULE_PARM_DESC(tuner,"specify installed tuner type"); | |
65 | module_param_array(video_std, int, NULL, 0444); | |
66 | MODULE_PARM_DESC(video_std,"specify initial video standard"); | |
67 | module_param_array(tolerance, int, NULL, 0444); | |
68 | MODULE_PARM_DESC(tolerance,"specify stream error tolerance"); | |
69 | ||
70 | #define PVR2_CTL_WRITE_ENDPOINT 0x01 | |
71 | #define PVR2_CTL_READ_ENDPOINT 0x81 | |
72 | ||
73 | #define PVR2_GPIO_IN 0x9008 | |
74 | #define PVR2_GPIO_OUT 0x900c | |
75 | #define PVR2_GPIO_DIR 0x9020 | |
76 | ||
77 | #define trace_firmware(...) pvr2_trace(PVR2_TRACE_FIRMWARE,__VA_ARGS__) | |
78 | ||
79 | #define PVR2_FIRMWARE_ENDPOINT 0x02 | |
80 | ||
81 | /* size of a firmware chunk */ | |
82 | #define FIRMWARE_CHUNK_SIZE 0x2000 | |
83 | ||
b30d2441 MI |
84 | /* Define the list of additional controls we'll dynamically construct based |
85 | on query of the cx2341x module. */ | |
86 | struct pvr2_mpeg_ids { | |
87 | const char *strid; | |
88 | int id; | |
89 | }; | |
90 | static const struct pvr2_mpeg_ids mpeg_ids[] = { | |
91 | { | |
92 | .strid = "audio_layer", | |
93 | .id = V4L2_CID_MPEG_AUDIO_ENCODING, | |
94 | },{ | |
95 | .strid = "audio_bitrate", | |
96 | .id = V4L2_CID_MPEG_AUDIO_L2_BITRATE, | |
97 | },{ | |
98 | /* Already using audio_mode elsewhere :-( */ | |
99 | .strid = "mpeg_audio_mode", | |
100 | .id = V4L2_CID_MPEG_AUDIO_MODE, | |
101 | },{ | |
102 | .strid = "mpeg_audio_mode_extension", | |
103 | .id = V4L2_CID_MPEG_AUDIO_MODE_EXTENSION, | |
104 | },{ | |
105 | .strid = "audio_emphasis", | |
106 | .id = V4L2_CID_MPEG_AUDIO_EMPHASIS, | |
107 | },{ | |
108 | .strid = "audio_crc", | |
109 | .id = V4L2_CID_MPEG_AUDIO_CRC, | |
110 | },{ | |
111 | .strid = "video_aspect", | |
112 | .id = V4L2_CID_MPEG_VIDEO_ASPECT, | |
113 | },{ | |
114 | .strid = "video_b_frames", | |
115 | .id = V4L2_CID_MPEG_VIDEO_B_FRAMES, | |
116 | },{ | |
117 | .strid = "video_gop_size", | |
118 | .id = V4L2_CID_MPEG_VIDEO_GOP_SIZE, | |
119 | },{ | |
120 | .strid = "video_gop_closure", | |
121 | .id = V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, | |
b30d2441 MI |
122 | },{ |
123 | .strid = "video_bitrate_mode", | |
124 | .id = V4L2_CID_MPEG_VIDEO_BITRATE_MODE, | |
125 | },{ | |
126 | .strid = "video_bitrate", | |
127 | .id = V4L2_CID_MPEG_VIDEO_BITRATE, | |
128 | },{ | |
129 | .strid = "video_bitrate_peak", | |
130 | .id = V4L2_CID_MPEG_VIDEO_BITRATE_PEAK, | |
131 | },{ | |
132 | .strid = "video_temporal_decimation", | |
133 | .id = V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION, | |
134 | },{ | |
135 | .strid = "stream_type", | |
136 | .id = V4L2_CID_MPEG_STREAM_TYPE, | |
137 | },{ | |
138 | .strid = "video_spatial_filter_mode", | |
139 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE, | |
140 | },{ | |
141 | .strid = "video_spatial_filter", | |
142 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER, | |
143 | },{ | |
144 | .strid = "video_luma_spatial_filter_type", | |
145 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE, | |
146 | },{ | |
147 | .strid = "video_chroma_spatial_filter_type", | |
148 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE, | |
149 | },{ | |
150 | .strid = "video_temporal_filter_mode", | |
151 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE, | |
152 | },{ | |
153 | .strid = "video_temporal_filter", | |
154 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER, | |
155 | },{ | |
156 | .strid = "video_median_filter_type", | |
157 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE, | |
158 | },{ | |
159 | .strid = "video_luma_median_filter_top", | |
160 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP, | |
161 | },{ | |
162 | .strid = "video_luma_median_filter_bottom", | |
163 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM, | |
164 | },{ | |
165 | .strid = "video_chroma_median_filter_top", | |
166 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP, | |
167 | },{ | |
168 | .strid = "video_chroma_median_filter_bottom", | |
169 | .id = V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM, | |
170 | } | |
171 | }; | |
eca8ebfc | 172 | #define MPEGDEF_COUNT ARRAY_SIZE(mpeg_ids) |
c05c0462 | 173 | |
434449f4 | 174 | |
d855497e | 175 | static const char *control_values_srate[] = { |
434449f4 MI |
176 | [V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100] = "44.1 kHz", |
177 | [V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000] = "48 kHz", | |
178 | [V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000] = "32 kHz", | |
d855497e MI |
179 | }; |
180 | ||
181 | ||
d855497e | 182 | |
d855497e MI |
183 | static const char *control_values_input[] = { |
184 | [PVR2_CVAL_INPUT_TV] = "television", /*xawtv needs this name*/ | |
185 | [PVR2_CVAL_INPUT_RADIO] = "radio", | |
186 | [PVR2_CVAL_INPUT_SVIDEO] = "s-video", | |
187 | [PVR2_CVAL_INPUT_COMPOSITE] = "composite", | |
188 | }; | |
189 | ||
190 | ||
191 | static const char *control_values_audiomode[] = { | |
192 | [V4L2_TUNER_MODE_MONO] = "Mono", | |
193 | [V4L2_TUNER_MODE_STEREO] = "Stereo", | |
194 | [V4L2_TUNER_MODE_LANG1] = "Lang1", | |
195 | [V4L2_TUNER_MODE_LANG2] = "Lang2", | |
196 | [V4L2_TUNER_MODE_LANG1_LANG2] = "Lang1+Lang2", | |
197 | }; | |
198 | ||
199 | ||
200 | static const char *control_values_hsm[] = { | |
201 | [PVR2_CVAL_HSM_FAIL] = "Fail", | |
202 | [PVR2_CVAL_HSM_HIGH] = "High", | |
203 | [PVR2_CVAL_HSM_FULL] = "Full", | |
204 | }; | |
205 | ||
206 | ||
681c7399 MI |
207 | static const char *pvr2_state_names[] = { |
208 | [PVR2_STATE_NONE] = "none", | |
209 | [PVR2_STATE_DEAD] = "dead", | |
210 | [PVR2_STATE_COLD] = "cold", | |
211 | [PVR2_STATE_WARM] = "warm", | |
212 | [PVR2_STATE_ERROR] = "error", | |
213 | [PVR2_STATE_READY] = "ready", | |
214 | [PVR2_STATE_RUN] = "run", | |
d855497e MI |
215 | }; |
216 | ||
681c7399 MI |
217 | |
218 | static void pvr2_hdw_state_sched(struct pvr2_hdw *); | |
219 | static int pvr2_hdw_state_eval(struct pvr2_hdw *); | |
1bde0289 | 220 | static void pvr2_hdw_set_cur_freq(struct pvr2_hdw *,unsigned long); |
681c7399 MI |
221 | static void pvr2_hdw_worker_i2c(struct work_struct *work); |
222 | static void pvr2_hdw_worker_poll(struct work_struct *work); | |
223 | static void pvr2_hdw_worker_init(struct work_struct *work); | |
224 | static int pvr2_hdw_wait(struct pvr2_hdw *,int state); | |
225 | static int pvr2_hdw_untrip_unlocked(struct pvr2_hdw *); | |
226 | static void pvr2_hdw_state_log_state(struct pvr2_hdw *); | |
07e337ee | 227 | static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl); |
681c7399 | 228 | static int pvr2_hdw_commit_setup(struct pvr2_hdw *hdw); |
07e337ee | 229 | static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw); |
07e337ee AB |
230 | static void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw); |
231 | static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw); | |
681c7399 MI |
232 | static void pvr2_hdw_quiescent_timeout(unsigned long); |
233 | static void pvr2_hdw_encoder_wait_timeout(unsigned long); | |
07e337ee AB |
234 | static int pvr2_send_request_ex(struct pvr2_hdw *hdw, |
235 | unsigned int timeout,int probe_fl, | |
236 | void *write_data,unsigned int write_len, | |
237 | void *read_data,unsigned int read_len); | |
d855497e | 238 | |
681c7399 MI |
239 | |
240 | static void trace_stbit(const char *name,int val) | |
241 | { | |
242 | pvr2_trace(PVR2_TRACE_STBITS, | |
243 | "State bit %s <-- %s", | |
244 | name,(val ? "true" : "false")); | |
245 | } | |
246 | ||
d855497e MI |
247 | static int ctrl_channelfreq_get(struct pvr2_ctrl *cptr,int *vp) |
248 | { | |
249 | struct pvr2_hdw *hdw = cptr->hdw; | |
250 | if ((hdw->freqProgSlot > 0) && (hdw->freqProgSlot <= FREQTABLE_SIZE)) { | |
251 | *vp = hdw->freqTable[hdw->freqProgSlot-1]; | |
252 | } else { | |
253 | *vp = 0; | |
254 | } | |
255 | return 0; | |
256 | } | |
257 | ||
258 | static int ctrl_channelfreq_set(struct pvr2_ctrl *cptr,int m,int v) | |
259 | { | |
260 | struct pvr2_hdw *hdw = cptr->hdw; | |
1bde0289 MI |
261 | unsigned int slotId = hdw->freqProgSlot; |
262 | if ((slotId > 0) && (slotId <= FREQTABLE_SIZE)) { | |
263 | hdw->freqTable[slotId-1] = v; | |
264 | /* Handle side effects correctly - if we're tuned to this | |
265 | slot, then forgot the slot id relation since the stored | |
266 | frequency has been changed. */ | |
267 | if (hdw->freqSelector) { | |
268 | if (hdw->freqSlotRadio == slotId) { | |
269 | hdw->freqSlotRadio = 0; | |
270 | } | |
271 | } else { | |
272 | if (hdw->freqSlotTelevision == slotId) { | |
273 | hdw->freqSlotTelevision = 0; | |
274 | } | |
275 | } | |
d855497e MI |
276 | } |
277 | return 0; | |
278 | } | |
279 | ||
280 | static int ctrl_channelprog_get(struct pvr2_ctrl *cptr,int *vp) | |
281 | { | |
282 | *vp = cptr->hdw->freqProgSlot; | |
283 | return 0; | |
284 | } | |
285 | ||
286 | static int ctrl_channelprog_set(struct pvr2_ctrl *cptr,int m,int v) | |
287 | { | |
288 | struct pvr2_hdw *hdw = cptr->hdw; | |
289 | if ((v >= 0) && (v <= FREQTABLE_SIZE)) { | |
290 | hdw->freqProgSlot = v; | |
291 | } | |
292 | return 0; | |
293 | } | |
294 | ||
295 | static int ctrl_channel_get(struct pvr2_ctrl *cptr,int *vp) | |
296 | { | |
1bde0289 MI |
297 | struct pvr2_hdw *hdw = cptr->hdw; |
298 | *vp = hdw->freqSelector ? hdw->freqSlotRadio : hdw->freqSlotTelevision; | |
d855497e MI |
299 | return 0; |
300 | } | |
301 | ||
1bde0289 | 302 | static int ctrl_channel_set(struct pvr2_ctrl *cptr,int m,int slotId) |
d855497e MI |
303 | { |
304 | unsigned freq = 0; | |
305 | struct pvr2_hdw *hdw = cptr->hdw; | |
1bde0289 MI |
306 | if ((slotId < 0) || (slotId > FREQTABLE_SIZE)) return 0; |
307 | if (slotId > 0) { | |
308 | freq = hdw->freqTable[slotId-1]; | |
309 | if (!freq) return 0; | |
310 | pvr2_hdw_set_cur_freq(hdw,freq); | |
d855497e | 311 | } |
1bde0289 MI |
312 | if (hdw->freqSelector) { |
313 | hdw->freqSlotRadio = slotId; | |
314 | } else { | |
315 | hdw->freqSlotTelevision = slotId; | |
d855497e MI |
316 | } |
317 | return 0; | |
318 | } | |
319 | ||
320 | static int ctrl_freq_get(struct pvr2_ctrl *cptr,int *vp) | |
321 | { | |
1bde0289 | 322 | *vp = pvr2_hdw_get_cur_freq(cptr->hdw); |
d855497e MI |
323 | return 0; |
324 | } | |
325 | ||
326 | static int ctrl_freq_is_dirty(struct pvr2_ctrl *cptr) | |
327 | { | |
328 | return cptr->hdw->freqDirty != 0; | |
329 | } | |
330 | ||
331 | static void ctrl_freq_clear_dirty(struct pvr2_ctrl *cptr) | |
332 | { | |
333 | cptr->hdw->freqDirty = 0; | |
334 | } | |
335 | ||
336 | static int ctrl_freq_set(struct pvr2_ctrl *cptr,int m,int v) | |
337 | { | |
1bde0289 | 338 | pvr2_hdw_set_cur_freq(cptr->hdw,v); |
d855497e MI |
339 | return 0; |
340 | } | |
341 | ||
3ad9fc37 MI |
342 | static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp) |
343 | { | |
344 | /* Actual maximum depends on the video standard in effect. */ | |
345 | if (cptr->hdw->std_mask_cur & V4L2_STD_525_60) { | |
346 | *vp = 480; | |
347 | } else { | |
348 | *vp = 576; | |
349 | } | |
350 | return 0; | |
351 | } | |
352 | ||
353 | static int ctrl_vres_min_get(struct pvr2_ctrl *cptr,int *vp) | |
354 | { | |
989eb154 MI |
355 | /* Actual minimum depends on device digitizer type. */ |
356 | if (cptr->hdw->hdw_desc->flag_has_cx25840) { | |
3ad9fc37 MI |
357 | *vp = 75; |
358 | } else { | |
359 | *vp = 17; | |
360 | } | |
361 | return 0; | |
362 | } | |
363 | ||
1bde0289 | 364 | static int ctrl_get_input(struct pvr2_ctrl *cptr,int *vp) |
5549f54f | 365 | { |
1bde0289 MI |
366 | *vp = cptr->hdw->input_val; |
367 | return 0; | |
368 | } | |
369 | ||
370 | static int ctrl_set_input(struct pvr2_ctrl *cptr,int m,int v) | |
371 | { | |
372 | struct pvr2_hdw *hdw = cptr->hdw; | |
373 | ||
374 | if (hdw->input_val != v) { | |
375 | hdw->input_val = v; | |
376 | hdw->input_dirty = !0; | |
377 | } | |
378 | ||
379 | /* Handle side effects - if we switch to a mode that needs the RF | |
380 | tuner, then select the right frequency choice as well and mark | |
381 | it dirty. */ | |
382 | if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) { | |
383 | hdw->freqSelector = 0; | |
384 | hdw->freqDirty = !0; | |
385 | } else if (hdw->input_val == PVR2_CVAL_INPUT_TV) { | |
386 | hdw->freqSelector = 1; | |
387 | hdw->freqDirty = !0; | |
5549f54f | 388 | } |
1bde0289 MI |
389 | return 0; |
390 | } | |
391 | ||
392 | static int ctrl_isdirty_input(struct pvr2_ctrl *cptr) | |
393 | { | |
394 | return cptr->hdw->input_dirty != 0; | |
395 | } | |
396 | ||
397 | static void ctrl_cleardirty_input(struct pvr2_ctrl *cptr) | |
398 | { | |
399 | cptr->hdw->input_dirty = 0; | |
400 | } | |
401 | ||
5549f54f | 402 | |
25d8527a PK |
403 | static int ctrl_freq_max_get(struct pvr2_ctrl *cptr, int *vp) |
404 | { | |
644afdb9 MI |
405 | unsigned long fv; |
406 | struct pvr2_hdw *hdw = cptr->hdw; | |
407 | if (hdw->tuner_signal_stale) { | |
408 | pvr2_i2c_core_status_poll(hdw); | |
409 | } | |
410 | fv = hdw->tuner_signal_info.rangehigh; | |
411 | if (!fv) { | |
412 | /* Safety fallback */ | |
25d8527a | 413 | *vp = TV_MAX_FREQ; |
644afdb9 | 414 | return 0; |
25d8527a | 415 | } |
644afdb9 MI |
416 | if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) { |
417 | fv = (fv * 125) / 2; | |
418 | } else { | |
419 | fv = fv * 62500; | |
420 | } | |
421 | *vp = fv; | |
25d8527a PK |
422 | return 0; |
423 | } | |
424 | ||
425 | static int ctrl_freq_min_get(struct pvr2_ctrl *cptr, int *vp) | |
426 | { | |
644afdb9 MI |
427 | unsigned long fv; |
428 | struct pvr2_hdw *hdw = cptr->hdw; | |
429 | if (hdw->tuner_signal_stale) { | |
430 | pvr2_i2c_core_status_poll(hdw); | |
431 | } | |
432 | fv = hdw->tuner_signal_info.rangelow; | |
433 | if (!fv) { | |
434 | /* Safety fallback */ | |
25d8527a | 435 | *vp = TV_MIN_FREQ; |
644afdb9 MI |
436 | return 0; |
437 | } | |
438 | if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) { | |
439 | fv = (fv * 125) / 2; | |
440 | } else { | |
441 | fv = fv * 62500; | |
25d8527a | 442 | } |
644afdb9 | 443 | *vp = fv; |
25d8527a PK |
444 | return 0; |
445 | } | |
446 | ||
b30d2441 MI |
447 | static int ctrl_cx2341x_is_dirty(struct pvr2_ctrl *cptr) |
448 | { | |
449 | return cptr->hdw->enc_stale != 0; | |
450 | } | |
451 | ||
452 | static void ctrl_cx2341x_clear_dirty(struct pvr2_ctrl *cptr) | |
453 | { | |
454 | cptr->hdw->enc_stale = 0; | |
681c7399 | 455 | cptr->hdw->enc_unsafe_stale = 0; |
b30d2441 MI |
456 | } |
457 | ||
458 | static int ctrl_cx2341x_get(struct pvr2_ctrl *cptr,int *vp) | |
459 | { | |
460 | int ret; | |
461 | struct v4l2_ext_controls cs; | |
462 | struct v4l2_ext_control c1; | |
463 | memset(&cs,0,sizeof(cs)); | |
464 | memset(&c1,0,sizeof(c1)); | |
465 | cs.controls = &c1; | |
466 | cs.count = 1; | |
467 | c1.id = cptr->info->v4l_id; | |
01f1e44f | 468 | ret = cx2341x_ext_ctrls(&cptr->hdw->enc_ctl_state, 0, &cs, |
b30d2441 MI |
469 | VIDIOC_G_EXT_CTRLS); |
470 | if (ret) return ret; | |
471 | *vp = c1.value; | |
472 | return 0; | |
473 | } | |
474 | ||
475 | static int ctrl_cx2341x_set(struct pvr2_ctrl *cptr,int m,int v) | |
476 | { | |
477 | int ret; | |
681c7399 | 478 | struct pvr2_hdw *hdw = cptr->hdw; |
b30d2441 MI |
479 | struct v4l2_ext_controls cs; |
480 | struct v4l2_ext_control c1; | |
481 | memset(&cs,0,sizeof(cs)); | |
482 | memset(&c1,0,sizeof(c1)); | |
483 | cs.controls = &c1; | |
484 | cs.count = 1; | |
485 | c1.id = cptr->info->v4l_id; | |
486 | c1.value = v; | |
681c7399 MI |
487 | ret = cx2341x_ext_ctrls(&hdw->enc_ctl_state, |
488 | hdw->state_encoder_run, &cs, | |
b30d2441 | 489 | VIDIOC_S_EXT_CTRLS); |
681c7399 MI |
490 | if (ret == -EBUSY) { |
491 | /* Oops. cx2341x is telling us it's not safe to change | |
492 | this control while we're capturing. Make a note of this | |
493 | fact so that the pipeline will be stopped the next time | |
494 | controls are committed. Then go on ahead and store this | |
495 | change anyway. */ | |
496 | ret = cx2341x_ext_ctrls(&hdw->enc_ctl_state, | |
497 | 0, &cs, | |
498 | VIDIOC_S_EXT_CTRLS); | |
499 | if (!ret) hdw->enc_unsafe_stale = !0; | |
500 | } | |
b30d2441 | 501 | if (ret) return ret; |
681c7399 | 502 | hdw->enc_stale = !0; |
b30d2441 MI |
503 | return 0; |
504 | } | |
505 | ||
506 | static unsigned int ctrl_cx2341x_getv4lflags(struct pvr2_ctrl *cptr) | |
507 | { | |
508 | struct v4l2_queryctrl qctrl; | |
509 | struct pvr2_ctl_info *info; | |
510 | qctrl.id = cptr->info->v4l_id; | |
511 | cx2341x_ctrl_query(&cptr->hdw->enc_ctl_state,&qctrl); | |
512 | /* Strip out the const so we can adjust a function pointer. It's | |
513 | OK to do this here because we know this is a dynamically created | |
514 | control, so the underlying storage for the info pointer is (a) | |
515 | private to us, and (b) not in read-only storage. Either we do | |
516 | this or we significantly complicate the underlying control | |
517 | implementation. */ | |
518 | info = (struct pvr2_ctl_info *)(cptr->info); | |
519 | if (qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY) { | |
520 | if (info->set_value) { | |
a0fd1cb1 | 521 | info->set_value = NULL; |
b30d2441 MI |
522 | } |
523 | } else { | |
524 | if (!(info->set_value)) { | |
525 | info->set_value = ctrl_cx2341x_set; | |
526 | } | |
527 | } | |
528 | return qctrl.flags; | |
529 | } | |
530 | ||
d855497e MI |
531 | static int ctrl_streamingenabled_get(struct pvr2_ctrl *cptr,int *vp) |
532 | { | |
681c7399 MI |
533 | *vp = cptr->hdw->state_pipeline_req; |
534 | return 0; | |
535 | } | |
536 | ||
537 | static int ctrl_masterstate_get(struct pvr2_ctrl *cptr,int *vp) | |
538 | { | |
539 | *vp = cptr->hdw->master_state; | |
d855497e MI |
540 | return 0; |
541 | } | |
542 | ||
543 | static int ctrl_hsm_get(struct pvr2_ctrl *cptr,int *vp) | |
544 | { | |
545 | int result = pvr2_hdw_is_hsm(cptr->hdw); | |
546 | *vp = PVR2_CVAL_HSM_FULL; | |
547 | if (result < 0) *vp = PVR2_CVAL_HSM_FAIL; | |
548 | if (result) *vp = PVR2_CVAL_HSM_HIGH; | |
549 | return 0; | |
550 | } | |
551 | ||
552 | static int ctrl_stdavail_get(struct pvr2_ctrl *cptr,int *vp) | |
553 | { | |
554 | *vp = cptr->hdw->std_mask_avail; | |
555 | return 0; | |
556 | } | |
557 | ||
558 | static int ctrl_stdavail_set(struct pvr2_ctrl *cptr,int m,int v) | |
559 | { | |
560 | struct pvr2_hdw *hdw = cptr->hdw; | |
561 | v4l2_std_id ns; | |
562 | ns = hdw->std_mask_avail; | |
563 | ns = (ns & ~m) | (v & m); | |
564 | if (ns == hdw->std_mask_avail) return 0; | |
565 | hdw->std_mask_avail = ns; | |
566 | pvr2_hdw_internal_set_std_avail(hdw); | |
567 | pvr2_hdw_internal_find_stdenum(hdw); | |
568 | return 0; | |
569 | } | |
570 | ||
571 | static int ctrl_std_val_to_sym(struct pvr2_ctrl *cptr,int msk,int val, | |
572 | char *bufPtr,unsigned int bufSize, | |
573 | unsigned int *len) | |
574 | { | |
575 | *len = pvr2_std_id_to_str(bufPtr,bufSize,msk & val); | |
576 | return 0; | |
577 | } | |
578 | ||
579 | static int ctrl_std_sym_to_val(struct pvr2_ctrl *cptr, | |
580 | const char *bufPtr,unsigned int bufSize, | |
581 | int *mskp,int *valp) | |
582 | { | |
583 | int ret; | |
584 | v4l2_std_id id; | |
585 | ret = pvr2_std_str_to_id(&id,bufPtr,bufSize); | |
586 | if (ret < 0) return ret; | |
587 | if (mskp) *mskp = id; | |
588 | if (valp) *valp = id; | |
589 | return 0; | |
590 | } | |
591 | ||
592 | static int ctrl_stdcur_get(struct pvr2_ctrl *cptr,int *vp) | |
593 | { | |
594 | *vp = cptr->hdw->std_mask_cur; | |
595 | return 0; | |
596 | } | |
597 | ||
598 | static int ctrl_stdcur_set(struct pvr2_ctrl *cptr,int m,int v) | |
599 | { | |
600 | struct pvr2_hdw *hdw = cptr->hdw; | |
601 | v4l2_std_id ns; | |
602 | ns = hdw->std_mask_cur; | |
603 | ns = (ns & ~m) | (v & m); | |
604 | if (ns == hdw->std_mask_cur) return 0; | |
605 | hdw->std_mask_cur = ns; | |
606 | hdw->std_dirty = !0; | |
607 | pvr2_hdw_internal_find_stdenum(hdw); | |
608 | return 0; | |
609 | } | |
610 | ||
611 | static int ctrl_stdcur_is_dirty(struct pvr2_ctrl *cptr) | |
612 | { | |
613 | return cptr->hdw->std_dirty != 0; | |
614 | } | |
615 | ||
616 | static void ctrl_stdcur_clear_dirty(struct pvr2_ctrl *cptr) | |
617 | { | |
618 | cptr->hdw->std_dirty = 0; | |
619 | } | |
620 | ||
621 | static int ctrl_signal_get(struct pvr2_ctrl *cptr,int *vp) | |
622 | { | |
18103c57 MI |
623 | struct pvr2_hdw *hdw = cptr->hdw; |
624 | pvr2_i2c_core_status_poll(hdw); | |
625 | *vp = hdw->tuner_signal_info.signal; | |
626 | return 0; | |
627 | } | |
628 | ||
629 | static int ctrl_audio_modes_present_get(struct pvr2_ctrl *cptr,int *vp) | |
630 | { | |
631 | int val = 0; | |
632 | unsigned int subchan; | |
633 | struct pvr2_hdw *hdw = cptr->hdw; | |
644afdb9 | 634 | pvr2_i2c_core_status_poll(hdw); |
18103c57 MI |
635 | subchan = hdw->tuner_signal_info.rxsubchans; |
636 | if (subchan & V4L2_TUNER_SUB_MONO) { | |
637 | val |= (1 << V4L2_TUNER_MODE_MONO); | |
638 | } | |
639 | if (subchan & V4L2_TUNER_SUB_STEREO) { | |
640 | val |= (1 << V4L2_TUNER_MODE_STEREO); | |
641 | } | |
642 | if (subchan & V4L2_TUNER_SUB_LANG1) { | |
643 | val |= (1 << V4L2_TUNER_MODE_LANG1); | |
644 | } | |
645 | if (subchan & V4L2_TUNER_SUB_LANG2) { | |
646 | val |= (1 << V4L2_TUNER_MODE_LANG2); | |
647 | } | |
648 | *vp = val; | |
d855497e MI |
649 | return 0; |
650 | } | |
651 | ||
d855497e MI |
652 | |
653 | static int ctrl_stdenumcur_set(struct pvr2_ctrl *cptr,int m,int v) | |
654 | { | |
655 | struct pvr2_hdw *hdw = cptr->hdw; | |
656 | if (v < 0) return -EINVAL; | |
657 | if (v > hdw->std_enum_cnt) return -EINVAL; | |
658 | hdw->std_enum_cur = v; | |
659 | if (!v) return 0; | |
660 | v--; | |
661 | if (hdw->std_mask_cur == hdw->std_defs[v].id) return 0; | |
662 | hdw->std_mask_cur = hdw->std_defs[v].id; | |
663 | hdw->std_dirty = !0; | |
664 | return 0; | |
665 | } | |
666 | ||
667 | ||
668 | static int ctrl_stdenumcur_get(struct pvr2_ctrl *cptr,int *vp) | |
669 | { | |
670 | *vp = cptr->hdw->std_enum_cur; | |
671 | return 0; | |
672 | } | |
673 | ||
674 | ||
675 | static int ctrl_stdenumcur_is_dirty(struct pvr2_ctrl *cptr) | |
676 | { | |
677 | return cptr->hdw->std_dirty != 0; | |
678 | } | |
679 | ||
680 | ||
681 | static void ctrl_stdenumcur_clear_dirty(struct pvr2_ctrl *cptr) | |
682 | { | |
683 | cptr->hdw->std_dirty = 0; | |
684 | } | |
685 | ||
686 | ||
687 | #define DEFINT(vmin,vmax) \ | |
688 | .type = pvr2_ctl_int, \ | |
689 | .def.type_int.min_value = vmin, \ | |
690 | .def.type_int.max_value = vmax | |
691 | ||
692 | #define DEFENUM(tab) \ | |
693 | .type = pvr2_ctl_enum, \ | |
27c7b710 | 694 | .def.type_enum.count = ARRAY_SIZE(tab), \ |
d855497e MI |
695 | .def.type_enum.value_names = tab |
696 | ||
33213963 MI |
697 | #define DEFBOOL \ |
698 | .type = pvr2_ctl_bool | |
699 | ||
d855497e MI |
700 | #define DEFMASK(msk,tab) \ |
701 | .type = pvr2_ctl_bitmask, \ | |
702 | .def.type_bitmask.valid_bits = msk, \ | |
703 | .def.type_bitmask.bit_names = tab | |
704 | ||
705 | #define DEFREF(vname) \ | |
706 | .set_value = ctrl_set_##vname, \ | |
707 | .get_value = ctrl_get_##vname, \ | |
708 | .is_dirty = ctrl_isdirty_##vname, \ | |
709 | .clear_dirty = ctrl_cleardirty_##vname | |
710 | ||
711 | ||
712 | #define VCREATE_FUNCS(vname) \ | |
713 | static int ctrl_get_##vname(struct pvr2_ctrl *cptr,int *vp) \ | |
714 | {*vp = cptr->hdw->vname##_val; return 0;} \ | |
715 | static int ctrl_set_##vname(struct pvr2_ctrl *cptr,int m,int v) \ | |
716 | {cptr->hdw->vname##_val = v; cptr->hdw->vname##_dirty = !0; return 0;} \ | |
717 | static int ctrl_isdirty_##vname(struct pvr2_ctrl *cptr) \ | |
718 | {return cptr->hdw->vname##_dirty != 0;} \ | |
719 | static void ctrl_cleardirty_##vname(struct pvr2_ctrl *cptr) \ | |
720 | {cptr->hdw->vname##_dirty = 0;} | |
721 | ||
722 | VCREATE_FUNCS(brightness) | |
723 | VCREATE_FUNCS(contrast) | |
724 | VCREATE_FUNCS(saturation) | |
725 | VCREATE_FUNCS(hue) | |
726 | VCREATE_FUNCS(volume) | |
727 | VCREATE_FUNCS(balance) | |
728 | VCREATE_FUNCS(bass) | |
729 | VCREATE_FUNCS(treble) | |
730 | VCREATE_FUNCS(mute) | |
c05c0462 MI |
731 | VCREATE_FUNCS(audiomode) |
732 | VCREATE_FUNCS(res_hor) | |
733 | VCREATE_FUNCS(res_ver) | |
d855497e | 734 | VCREATE_FUNCS(srate) |
d855497e | 735 | |
d855497e MI |
736 | /* Table definition of all controls which can be manipulated */ |
737 | static const struct pvr2_ctl_info control_defs[] = { | |
738 | { | |
739 | .v4l_id = V4L2_CID_BRIGHTNESS, | |
740 | .desc = "Brightness", | |
741 | .name = "brightness", | |
742 | .default_value = 128, | |
743 | DEFREF(brightness), | |
744 | DEFINT(0,255), | |
745 | },{ | |
746 | .v4l_id = V4L2_CID_CONTRAST, | |
747 | .desc = "Contrast", | |
748 | .name = "contrast", | |
749 | .default_value = 68, | |
750 | DEFREF(contrast), | |
751 | DEFINT(0,127), | |
752 | },{ | |
753 | .v4l_id = V4L2_CID_SATURATION, | |
754 | .desc = "Saturation", | |
755 | .name = "saturation", | |
756 | .default_value = 64, | |
757 | DEFREF(saturation), | |
758 | DEFINT(0,127), | |
759 | },{ | |
760 | .v4l_id = V4L2_CID_HUE, | |
761 | .desc = "Hue", | |
762 | .name = "hue", | |
763 | .default_value = 0, | |
764 | DEFREF(hue), | |
765 | DEFINT(-128,127), | |
766 | },{ | |
767 | .v4l_id = V4L2_CID_AUDIO_VOLUME, | |
768 | .desc = "Volume", | |
769 | .name = "volume", | |
139eecf9 | 770 | .default_value = 62000, |
d855497e MI |
771 | DEFREF(volume), |
772 | DEFINT(0,65535), | |
773 | },{ | |
774 | .v4l_id = V4L2_CID_AUDIO_BALANCE, | |
775 | .desc = "Balance", | |
776 | .name = "balance", | |
777 | .default_value = 0, | |
778 | DEFREF(balance), | |
779 | DEFINT(-32768,32767), | |
780 | },{ | |
781 | .v4l_id = V4L2_CID_AUDIO_BASS, | |
782 | .desc = "Bass", | |
783 | .name = "bass", | |
784 | .default_value = 0, | |
785 | DEFREF(bass), | |
786 | DEFINT(-32768,32767), | |
787 | },{ | |
788 | .v4l_id = V4L2_CID_AUDIO_TREBLE, | |
789 | .desc = "Treble", | |
790 | .name = "treble", | |
791 | .default_value = 0, | |
792 | DEFREF(treble), | |
793 | DEFINT(-32768,32767), | |
794 | },{ | |
795 | .v4l_id = V4L2_CID_AUDIO_MUTE, | |
796 | .desc = "Mute", | |
797 | .name = "mute", | |
798 | .default_value = 0, | |
799 | DEFREF(mute), | |
33213963 | 800 | DEFBOOL, |
c05c0462 MI |
801 | },{ |
802 | .desc = "Video Source", | |
803 | .name = "input", | |
804 | .internal_id = PVR2_CID_INPUT, | |
805 | .default_value = PVR2_CVAL_INPUT_TV, | |
806 | DEFREF(input), | |
807 | DEFENUM(control_values_input), | |
808 | },{ | |
809 | .desc = "Audio Mode", | |
810 | .name = "audio_mode", | |
811 | .internal_id = PVR2_CID_AUDIOMODE, | |
812 | .default_value = V4L2_TUNER_MODE_STEREO, | |
813 | DEFREF(audiomode), | |
814 | DEFENUM(control_values_audiomode), | |
815 | },{ | |
816 | .desc = "Horizontal capture resolution", | |
817 | .name = "resolution_hor", | |
818 | .internal_id = PVR2_CID_HRES, | |
819 | .default_value = 720, | |
820 | DEFREF(res_hor), | |
3ad9fc37 | 821 | DEFINT(19,720), |
c05c0462 MI |
822 | },{ |
823 | .desc = "Vertical capture resolution", | |
824 | .name = "resolution_ver", | |
825 | .internal_id = PVR2_CID_VRES, | |
826 | .default_value = 480, | |
827 | DEFREF(res_ver), | |
3ad9fc37 MI |
828 | DEFINT(17,576), |
829 | /* Hook in check for video standard and adjust maximum | |
830 | depending on the standard. */ | |
831 | .get_max_value = ctrl_vres_max_get, | |
832 | .get_min_value = ctrl_vres_min_get, | |
d855497e | 833 | },{ |
b30d2441 | 834 | .v4l_id = V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ, |
434449f4 MI |
835 | .default_value = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000, |
836 | .desc = "Audio Sampling Frequency", | |
d855497e | 837 | .name = "srate", |
d855497e MI |
838 | DEFREF(srate), |
839 | DEFENUM(control_values_srate), | |
d855497e MI |
840 | },{ |
841 | .desc = "Tuner Frequency (Hz)", | |
842 | .name = "frequency", | |
843 | .internal_id = PVR2_CID_FREQUENCY, | |
1bde0289 | 844 | .default_value = 0, |
d855497e MI |
845 | .set_value = ctrl_freq_set, |
846 | .get_value = ctrl_freq_get, | |
847 | .is_dirty = ctrl_freq_is_dirty, | |
848 | .clear_dirty = ctrl_freq_clear_dirty, | |
644afdb9 | 849 | DEFINT(0,0), |
25d8527a PK |
850 | /* Hook in check for input value (tv/radio) and adjust |
851 | max/min values accordingly */ | |
852 | .get_max_value = ctrl_freq_max_get, | |
853 | .get_min_value = ctrl_freq_min_get, | |
d855497e MI |
854 | },{ |
855 | .desc = "Channel", | |
856 | .name = "channel", | |
857 | .set_value = ctrl_channel_set, | |
858 | .get_value = ctrl_channel_get, | |
859 | DEFINT(0,FREQTABLE_SIZE), | |
860 | },{ | |
861 | .desc = "Channel Program Frequency", | |
862 | .name = "freq_table_value", | |
863 | .set_value = ctrl_channelfreq_set, | |
864 | .get_value = ctrl_channelfreq_get, | |
644afdb9 | 865 | DEFINT(0,0), |
1bde0289 MI |
866 | /* Hook in check for input value (tv/radio) and adjust |
867 | max/min values accordingly */ | |
1bde0289 MI |
868 | .get_max_value = ctrl_freq_max_get, |
869 | .get_min_value = ctrl_freq_min_get, | |
d855497e MI |
870 | },{ |
871 | .desc = "Channel Program ID", | |
872 | .name = "freq_table_channel", | |
873 | .set_value = ctrl_channelprog_set, | |
874 | .get_value = ctrl_channelprog_get, | |
875 | DEFINT(0,FREQTABLE_SIZE), | |
d855497e MI |
876 | },{ |
877 | .desc = "Streaming Enabled", | |
878 | .name = "streaming_enabled", | |
879 | .get_value = ctrl_streamingenabled_get, | |
33213963 | 880 | DEFBOOL, |
d855497e MI |
881 | },{ |
882 | .desc = "USB Speed", | |
883 | .name = "usb_speed", | |
884 | .get_value = ctrl_hsm_get, | |
885 | DEFENUM(control_values_hsm), | |
681c7399 MI |
886 | },{ |
887 | .desc = "Master State", | |
888 | .name = "master_state", | |
889 | .get_value = ctrl_masterstate_get, | |
890 | DEFENUM(pvr2_state_names), | |
d855497e MI |
891 | },{ |
892 | .desc = "Signal Present", | |
893 | .name = "signal_present", | |
894 | .get_value = ctrl_signal_get, | |
18103c57 MI |
895 | DEFINT(0,65535), |
896 | },{ | |
897 | .desc = "Audio Modes Present", | |
898 | .name = "audio_modes_present", | |
899 | .get_value = ctrl_audio_modes_present_get, | |
900 | /* For this type we "borrow" the V4L2_TUNER_MODE enum from | |
901 | v4l. Nothing outside of this module cares about this, | |
902 | but I reuse it in order to also reuse the | |
903 | control_values_audiomode string table. */ | |
904 | DEFMASK(((1 << V4L2_TUNER_MODE_MONO)| | |
905 | (1 << V4L2_TUNER_MODE_STEREO)| | |
906 | (1 << V4L2_TUNER_MODE_LANG1)| | |
907 | (1 << V4L2_TUNER_MODE_LANG2)), | |
908 | control_values_audiomode), | |
d855497e MI |
909 | },{ |
910 | .desc = "Video Standards Available Mask", | |
911 | .name = "video_standard_mask_available", | |
912 | .internal_id = PVR2_CID_STDAVAIL, | |
913 | .skip_init = !0, | |
914 | .get_value = ctrl_stdavail_get, | |
915 | .set_value = ctrl_stdavail_set, | |
916 | .val_to_sym = ctrl_std_val_to_sym, | |
917 | .sym_to_val = ctrl_std_sym_to_val, | |
918 | .type = pvr2_ctl_bitmask, | |
919 | },{ | |
920 | .desc = "Video Standards In Use Mask", | |
921 | .name = "video_standard_mask_active", | |
922 | .internal_id = PVR2_CID_STDCUR, | |
923 | .skip_init = !0, | |
924 | .get_value = ctrl_stdcur_get, | |
925 | .set_value = ctrl_stdcur_set, | |
926 | .is_dirty = ctrl_stdcur_is_dirty, | |
927 | .clear_dirty = ctrl_stdcur_clear_dirty, | |
928 | .val_to_sym = ctrl_std_val_to_sym, | |
929 | .sym_to_val = ctrl_std_sym_to_val, | |
930 | .type = pvr2_ctl_bitmask, | |
d855497e MI |
931 | },{ |
932 | .desc = "Video Standard Name", | |
933 | .name = "video_standard", | |
934 | .internal_id = PVR2_CID_STDENUM, | |
935 | .skip_init = !0, | |
936 | .get_value = ctrl_stdenumcur_get, | |
937 | .set_value = ctrl_stdenumcur_set, | |
938 | .is_dirty = ctrl_stdenumcur_is_dirty, | |
939 | .clear_dirty = ctrl_stdenumcur_clear_dirty, | |
940 | .type = pvr2_ctl_enum, | |
941 | } | |
942 | }; | |
943 | ||
eca8ebfc | 944 | #define CTRLDEF_COUNT ARRAY_SIZE(control_defs) |
d855497e MI |
945 | |
946 | ||
947 | const char *pvr2_config_get_name(enum pvr2_config cfg) | |
948 | { | |
949 | switch (cfg) { | |
950 | case pvr2_config_empty: return "empty"; | |
951 | case pvr2_config_mpeg: return "mpeg"; | |
952 | case pvr2_config_vbi: return "vbi"; | |
16eb40d3 MI |
953 | case pvr2_config_pcm: return "pcm"; |
954 | case pvr2_config_rawvideo: return "raw video"; | |
d855497e MI |
955 | } |
956 | return "<unknown>"; | |
957 | } | |
958 | ||
959 | ||
960 | struct usb_device *pvr2_hdw_get_dev(struct pvr2_hdw *hdw) | |
961 | { | |
962 | return hdw->usb_dev; | |
963 | } | |
964 | ||
965 | ||
966 | unsigned long pvr2_hdw_get_sn(struct pvr2_hdw *hdw) | |
967 | { | |
968 | return hdw->serial_number; | |
969 | } | |
970 | ||
31a18547 MI |
971 | |
972 | const char *pvr2_hdw_get_bus_info(struct pvr2_hdw *hdw) | |
973 | { | |
974 | return hdw->bus_info; | |
975 | } | |
976 | ||
977 | ||
1bde0289 MI |
978 | unsigned long pvr2_hdw_get_cur_freq(struct pvr2_hdw *hdw) |
979 | { | |
980 | return hdw->freqSelector ? hdw->freqValTelevision : hdw->freqValRadio; | |
981 | } | |
982 | ||
983 | /* Set the currently tuned frequency and account for all possible | |
984 | driver-core side effects of this action. */ | |
985 | void pvr2_hdw_set_cur_freq(struct pvr2_hdw *hdw,unsigned long val) | |
986 | { | |
7c74e57e | 987 | if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) { |
1bde0289 MI |
988 | if (hdw->freqSelector) { |
989 | /* Swing over to radio frequency selection */ | |
990 | hdw->freqSelector = 0; | |
991 | hdw->freqDirty = !0; | |
992 | } | |
1bde0289 MI |
993 | if (hdw->freqValRadio != val) { |
994 | hdw->freqValRadio = val; | |
995 | hdw->freqSlotRadio = 0; | |
7c74e57e | 996 | hdw->freqDirty = !0; |
1bde0289 | 997 | } |
7c74e57e | 998 | } else { |
1bde0289 MI |
999 | if (!(hdw->freqSelector)) { |
1000 | /* Swing over to television frequency selection */ | |
1001 | hdw->freqSelector = 1; | |
1002 | hdw->freqDirty = !0; | |
1003 | } | |
1bde0289 MI |
1004 | if (hdw->freqValTelevision != val) { |
1005 | hdw->freqValTelevision = val; | |
1006 | hdw->freqSlotTelevision = 0; | |
7c74e57e | 1007 | hdw->freqDirty = !0; |
1bde0289 | 1008 | } |
1bde0289 MI |
1009 | } |
1010 | } | |
1011 | ||
d855497e MI |
1012 | int pvr2_hdw_get_unit_number(struct pvr2_hdw *hdw) |
1013 | { | |
1014 | return hdw->unit_number; | |
1015 | } | |
1016 | ||
1017 | ||
1018 | /* Attempt to locate one of the given set of files. Messages are logged | |
1019 | appropriate to what has been found. The return value will be 0 or | |
1020 | greater on success (it will be the index of the file name found) and | |
1021 | fw_entry will be filled in. Otherwise a negative error is returned on | |
1022 | failure. If the return value is -ENOENT then no viable firmware file | |
1023 | could be located. */ | |
1024 | static int pvr2_locate_firmware(struct pvr2_hdw *hdw, | |
1025 | const struct firmware **fw_entry, | |
1026 | const char *fwtypename, | |
1027 | unsigned int fwcount, | |
1028 | const char *fwnames[]) | |
1029 | { | |
1030 | unsigned int idx; | |
1031 | int ret = -EINVAL; | |
1032 | for (idx = 0; idx < fwcount; idx++) { | |
1033 | ret = request_firmware(fw_entry, | |
1034 | fwnames[idx], | |
1035 | &hdw->usb_dev->dev); | |
1036 | if (!ret) { | |
1037 | trace_firmware("Located %s firmware: %s;" | |
1038 | " uploading...", | |
1039 | fwtypename, | |
1040 | fwnames[idx]); | |
1041 | return idx; | |
1042 | } | |
1043 | if (ret == -ENOENT) continue; | |
1044 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1045 | "request_firmware fatal error with code=%d",ret); | |
1046 | return ret; | |
1047 | } | |
1048 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1049 | "***WARNING***" | |
1050 | " Device %s firmware" | |
1051 | " seems to be missing.", | |
1052 | fwtypename); | |
1053 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1054 | "Did you install the pvrusb2 firmware files" | |
1055 | " in their proper location?"); | |
1056 | if (fwcount == 1) { | |
1057 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1058 | "request_firmware unable to locate %s file %s", | |
1059 | fwtypename,fwnames[0]); | |
1060 | } else { | |
1061 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1062 | "request_firmware unable to locate" | |
1063 | " one of the following %s files:", | |
1064 | fwtypename); | |
1065 | for (idx = 0; idx < fwcount; idx++) { | |
1066 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1067 | "request_firmware: Failed to find %s", | |
1068 | fwnames[idx]); | |
1069 | } | |
1070 | } | |
1071 | return ret; | |
1072 | } | |
1073 | ||
1074 | ||
1075 | /* | |
1076 | * pvr2_upload_firmware1(). | |
1077 | * | |
1078 | * Send the 8051 firmware to the device. After the upload, arrange for | |
1079 | * device to re-enumerate. | |
1080 | * | |
1081 | * NOTE : the pointer to the firmware data given by request_firmware() | |
1082 | * is not suitable for an usb transaction. | |
1083 | * | |
1084 | */ | |
07e337ee | 1085 | static int pvr2_upload_firmware1(struct pvr2_hdw *hdw) |
d855497e | 1086 | { |
a0fd1cb1 | 1087 | const struct firmware *fw_entry = NULL; |
d855497e MI |
1088 | void *fw_ptr; |
1089 | unsigned int pipe; | |
1090 | int ret; | |
1091 | u16 address; | |
1d643a37 | 1092 | |
989eb154 | 1093 | if (!hdw->hdw_desc->fx2_firmware.cnt) { |
1d643a37 | 1094 | hdw->fw1_state = FW1_STATE_OK; |
56dcbfa0 MI |
1095 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, |
1096 | "Connected device type defines" | |
1097 | " no firmware to upload; ignoring firmware"); | |
1098 | return -ENOTTY; | |
1d643a37 MI |
1099 | } |
1100 | ||
d855497e MI |
1101 | hdw->fw1_state = FW1_STATE_FAILED; // default result |
1102 | ||
1103 | trace_firmware("pvr2_upload_firmware1"); | |
1104 | ||
1105 | ret = pvr2_locate_firmware(hdw,&fw_entry,"fx2 controller", | |
989eb154 MI |
1106 | hdw->hdw_desc->fx2_firmware.cnt, |
1107 | hdw->hdw_desc->fx2_firmware.lst); | |
d855497e MI |
1108 | if (ret < 0) { |
1109 | if (ret == -ENOENT) hdw->fw1_state = FW1_STATE_MISSING; | |
1110 | return ret; | |
1111 | } | |
1112 | ||
1113 | usb_settoggle(hdw->usb_dev, 0 & 0xf, !(0 & USB_DIR_IN), 0); | |
1114 | usb_clear_halt(hdw->usb_dev, usb_sndbulkpipe(hdw->usb_dev, 0 & 0x7f)); | |
1115 | ||
1116 | pipe = usb_sndctrlpipe(hdw->usb_dev, 0); | |
1117 | ||
1118 | if (fw_entry->size != 0x2000){ | |
1119 | pvr2_trace(PVR2_TRACE_ERROR_LEGS,"wrong fx2 firmware size"); | |
1120 | release_firmware(fw_entry); | |
1121 | return -ENOMEM; | |
1122 | } | |
1123 | ||
1124 | fw_ptr = kmalloc(0x800, GFP_KERNEL); | |
1125 | if (fw_ptr == NULL){ | |
1126 | release_firmware(fw_entry); | |
1127 | return -ENOMEM; | |
1128 | } | |
1129 | ||
1130 | /* We have to hold the CPU during firmware upload. */ | |
1131 | pvr2_hdw_cpureset_assert(hdw,1); | |
1132 | ||
1133 | /* upload the firmware to address 0000-1fff in 2048 (=0x800) bytes | |
1134 | chunk. */ | |
1135 | ||
1136 | ret = 0; | |
1137 | for(address = 0; address < fw_entry->size; address += 0x800) { | |
1138 | memcpy(fw_ptr, fw_entry->data + address, 0x800); | |
1139 | ret += usb_control_msg(hdw->usb_dev, pipe, 0xa0, 0x40, address, | |
1140 | 0, fw_ptr, 0x800, HZ); | |
1141 | } | |
1142 | ||
1143 | trace_firmware("Upload done, releasing device's CPU"); | |
1144 | ||
1145 | /* Now release the CPU. It will disconnect and reconnect later. */ | |
1146 | pvr2_hdw_cpureset_assert(hdw,0); | |
1147 | ||
1148 | kfree(fw_ptr); | |
1149 | release_firmware(fw_entry); | |
1150 | ||
1151 | trace_firmware("Upload done (%d bytes sent)",ret); | |
1152 | ||
1153 | /* We should have written 8192 bytes */ | |
1154 | if (ret == 8192) { | |
1155 | hdw->fw1_state = FW1_STATE_RELOAD; | |
1156 | return 0; | |
1157 | } | |
1158 | ||
1159 | return -EIO; | |
1160 | } | |
1161 | ||
1162 | ||
1163 | /* | |
1164 | * pvr2_upload_firmware2() | |
1165 | * | |
1166 | * This uploads encoder firmware on endpoint 2. | |
1167 | * | |
1168 | */ | |
1169 | ||
1170 | int pvr2_upload_firmware2(struct pvr2_hdw *hdw) | |
1171 | { | |
a0fd1cb1 | 1172 | const struct firmware *fw_entry = NULL; |
d855497e | 1173 | void *fw_ptr; |
90060d32 | 1174 | unsigned int pipe, fw_len, fw_done, bcnt, icnt; |
d855497e MI |
1175 | int actual_length; |
1176 | int ret = 0; | |
1177 | int fwidx; | |
1178 | static const char *fw_files[] = { | |
1179 | CX2341X_FIRM_ENC_FILENAME, | |
1180 | }; | |
1181 | ||
989eb154 | 1182 | if (hdw->hdw_desc->flag_skip_cx23416_firmware) { |
1d643a37 MI |
1183 | return 0; |
1184 | } | |
1185 | ||
d855497e MI |
1186 | trace_firmware("pvr2_upload_firmware2"); |
1187 | ||
1188 | ret = pvr2_locate_firmware(hdw,&fw_entry,"encoder", | |
eca8ebfc | 1189 | ARRAY_SIZE(fw_files), fw_files); |
d855497e MI |
1190 | if (ret < 0) return ret; |
1191 | fwidx = ret; | |
1192 | ret = 0; | |
b30d2441 MI |
1193 | /* Since we're about to completely reinitialize the encoder, |
1194 | invalidate our cached copy of its configuration state. Next | |
1195 | time we configure the encoder, then we'll fully configure it. */ | |
1196 | hdw->enc_cur_valid = 0; | |
d855497e MI |
1197 | |
1198 | /* First prepare firmware loading */ | |
1199 | ret |= pvr2_write_register(hdw, 0x0048, 0xffffffff); /*interrupt mask*/ | |
1200 | ret |= pvr2_hdw_gpio_chg_dir(hdw,0xffffffff,0x00000088); /*gpio dir*/ | |
1201 | ret |= pvr2_hdw_gpio_chg_out(hdw,0xffffffff,0x00000008); /*gpio output state*/ | |
1202 | ret |= pvr2_hdw_cmd_deep_reset(hdw); | |
1203 | ret |= pvr2_write_register(hdw, 0xa064, 0x00000000); /*APU command*/ | |
1204 | ret |= pvr2_hdw_gpio_chg_dir(hdw,0xffffffff,0x00000408); /*gpio dir*/ | |
1205 | ret |= pvr2_hdw_gpio_chg_out(hdw,0xffffffff,0x00000008); /*gpio output state*/ | |
1206 | ret |= pvr2_write_register(hdw, 0x9058, 0xffffffed); /*VPU ctrl*/ | |
1207 | ret |= pvr2_write_register(hdw, 0x9054, 0xfffffffd); /*reset hw blocks*/ | |
1208 | ret |= pvr2_write_register(hdw, 0x07f8, 0x80000800); /*encoder SDRAM refresh*/ | |
1209 | ret |= pvr2_write_register(hdw, 0x07fc, 0x0000001a); /*encoder SDRAM pre-charge*/ | |
1210 | ret |= pvr2_write_register(hdw, 0x0700, 0x00000000); /*I2C clock*/ | |
1211 | ret |= pvr2_write_register(hdw, 0xaa00, 0x00000000); /*unknown*/ | |
1212 | ret |= pvr2_write_register(hdw, 0xaa04, 0x00057810); /*unknown*/ | |
1213 | ret |= pvr2_write_register(hdw, 0xaa10, 0x00148500); /*unknown*/ | |
1214 | ret |= pvr2_write_register(hdw, 0xaa18, 0x00840000); /*unknown*/ | |
567d7115 MI |
1215 | LOCK_TAKE(hdw->ctl_lock); do { |
1216 | hdw->cmd_buffer[0] = FX2CMD_FWPOST1; | |
89952d13 | 1217 | ret |= pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); |
567d7115 MI |
1218 | hdw->cmd_buffer[0] = FX2CMD_MEMSEL; |
1219 | hdw->cmd_buffer[1] = 0; | |
89952d13 | 1220 | ret |= pvr2_send_request(hdw,hdw->cmd_buffer,2,NULL,0); |
567d7115 | 1221 | } while (0); LOCK_GIVE(hdw->ctl_lock); |
d855497e MI |
1222 | |
1223 | if (ret) { | |
1224 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1225 | "firmware2 upload prep failed, ret=%d",ret); | |
1226 | release_firmware(fw_entry); | |
1227 | return ret; | |
1228 | } | |
1229 | ||
1230 | /* Now send firmware */ | |
1231 | ||
1232 | fw_len = fw_entry->size; | |
1233 | ||
90060d32 | 1234 | if (fw_len % sizeof(u32)) { |
d855497e MI |
1235 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, |
1236 | "size of %s firmware" | |
48dc30a1 | 1237 | " must be a multiple of %zu bytes", |
90060d32 | 1238 | fw_files[fwidx],sizeof(u32)); |
d855497e MI |
1239 | release_firmware(fw_entry); |
1240 | return -1; | |
1241 | } | |
1242 | ||
1243 | fw_ptr = kmalloc(FIRMWARE_CHUNK_SIZE, GFP_KERNEL); | |
1244 | if (fw_ptr == NULL){ | |
1245 | release_firmware(fw_entry); | |
1246 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1247 | "failed to allocate memory for firmware2 upload"); | |
1248 | return -ENOMEM; | |
1249 | } | |
1250 | ||
1251 | pipe = usb_sndbulkpipe(hdw->usb_dev, PVR2_FIRMWARE_ENDPOINT); | |
1252 | ||
90060d32 MI |
1253 | fw_done = 0; |
1254 | for (fw_done = 0; fw_done < fw_len;) { | |
1255 | bcnt = fw_len - fw_done; | |
1256 | if (bcnt > FIRMWARE_CHUNK_SIZE) bcnt = FIRMWARE_CHUNK_SIZE; | |
1257 | memcpy(fw_ptr, fw_entry->data + fw_done, bcnt); | |
1258 | /* Usbsnoop log shows that we must swap bytes... */ | |
1259 | for (icnt = 0; icnt < bcnt/4 ; icnt++) | |
1260 | ((u32 *)fw_ptr)[icnt] = | |
1261 | ___swab32(((u32 *)fw_ptr)[icnt]); | |
1262 | ||
1263 | ret |= usb_bulk_msg(hdw->usb_dev, pipe, fw_ptr,bcnt, | |
d855497e | 1264 | &actual_length, HZ); |
90060d32 MI |
1265 | ret |= (actual_length != bcnt); |
1266 | if (ret) break; | |
1267 | fw_done += bcnt; | |
d855497e MI |
1268 | } |
1269 | ||
1270 | trace_firmware("upload of %s : %i / %i ", | |
1271 | fw_files[fwidx],fw_done,fw_len); | |
1272 | ||
1273 | kfree(fw_ptr); | |
1274 | release_firmware(fw_entry); | |
1275 | ||
1276 | if (ret) { | |
1277 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1278 | "firmware2 upload transfer failure"); | |
1279 | return ret; | |
1280 | } | |
1281 | ||
1282 | /* Finish upload */ | |
1283 | ||
1284 | ret |= pvr2_write_register(hdw, 0x9054, 0xffffffff); /*reset hw blocks*/ | |
1285 | ret |= pvr2_write_register(hdw, 0x9058, 0xffffffe8); /*VPU ctrl*/ | |
567d7115 MI |
1286 | LOCK_TAKE(hdw->ctl_lock); do { |
1287 | hdw->cmd_buffer[0] = FX2CMD_MEMSEL; | |
1288 | hdw->cmd_buffer[1] = 0; | |
89952d13 | 1289 | ret |= pvr2_send_request(hdw,hdw->cmd_buffer,2,NULL,0); |
567d7115 | 1290 | } while (0); LOCK_GIVE(hdw->ctl_lock); |
d855497e MI |
1291 | |
1292 | if (ret) { | |
1293 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1294 | "firmware2 upload post-proc failure"); | |
d855497e MI |
1295 | } |
1296 | return ret; | |
1297 | } | |
1298 | ||
1299 | ||
681c7399 MI |
1300 | static const char *pvr2_get_state_name(unsigned int st) |
1301 | { | |
1302 | if (st < ARRAY_SIZE(pvr2_state_names)) { | |
1303 | return pvr2_state_names[st]; | |
d855497e | 1304 | } |
681c7399 | 1305 | return "???"; |
d855497e MI |
1306 | } |
1307 | ||
681c7399 | 1308 | static int pvr2_decoder_enable(struct pvr2_hdw *hdw,int enablefl) |
d855497e | 1309 | { |
681c7399 MI |
1310 | if (!hdw->decoder_ctrl) { |
1311 | if (!hdw->flag_decoder_missed) { | |
1312 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1313 | "WARNING: No decoder present"); | |
1314 | hdw->flag_decoder_missed = !0; | |
1315 | trace_stbit("flag_decoder_missed", | |
1316 | hdw->flag_decoder_missed); | |
1317 | } | |
1318 | return -EIO; | |
1319 | } | |
1320 | hdw->decoder_ctrl->enable(hdw->decoder_ctrl->ctxt,enablefl); | |
1321 | return 0; | |
d855497e MI |
1322 | } |
1323 | ||
1324 | ||
681c7399 | 1325 | void pvr2_hdw_set_decoder(struct pvr2_hdw *hdw,struct pvr2_decoder_ctrl *ptr) |
d855497e | 1326 | { |
681c7399 MI |
1327 | if (hdw->decoder_ctrl == ptr) return; |
1328 | hdw->decoder_ctrl = ptr; | |
1329 | if (hdw->decoder_ctrl && hdw->flag_decoder_missed) { | |
1330 | hdw->flag_decoder_missed = 0; | |
1331 | trace_stbit("flag_decoder_missed", | |
1332 | hdw->flag_decoder_missed); | |
1333 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1334 | "Decoder has appeared"); | |
1335 | pvr2_hdw_state_sched(hdw); | |
1336 | } | |
d855497e MI |
1337 | } |
1338 | ||
1339 | ||
681c7399 | 1340 | int pvr2_hdw_get_state(struct pvr2_hdw *hdw) |
d855497e | 1341 | { |
681c7399 | 1342 | return hdw->master_state; |
d855497e MI |
1343 | } |
1344 | ||
1345 | ||
681c7399 | 1346 | static int pvr2_hdw_untrip_unlocked(struct pvr2_hdw *hdw) |
d855497e | 1347 | { |
681c7399 MI |
1348 | if (!hdw->flag_tripped) return 0; |
1349 | hdw->flag_tripped = 0; | |
1350 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1351 | "Clearing driver error statuss"); | |
1352 | return !0; | |
d855497e MI |
1353 | } |
1354 | ||
1355 | ||
681c7399 | 1356 | int pvr2_hdw_untrip(struct pvr2_hdw *hdw) |
d855497e | 1357 | { |
681c7399 | 1358 | int fl; |
d855497e | 1359 | LOCK_TAKE(hdw->big_lock); do { |
681c7399 | 1360 | fl = pvr2_hdw_untrip_unlocked(hdw); |
d855497e | 1361 | } while (0); LOCK_GIVE(hdw->big_lock); |
681c7399 MI |
1362 | if (fl) pvr2_hdw_state_sched(hdw); |
1363 | return 0; | |
d855497e MI |
1364 | } |
1365 | ||
1366 | ||
681c7399 | 1367 | const char *pvr2_hdw_get_state_name(unsigned int id) |
d855497e | 1368 | { |
681c7399 MI |
1369 | if (id >= ARRAY_SIZE(pvr2_state_names)) return NULL; |
1370 | return pvr2_state_names[id]; | |
d855497e MI |
1371 | } |
1372 | ||
1373 | ||
1374 | int pvr2_hdw_get_streaming(struct pvr2_hdw *hdw) | |
1375 | { | |
681c7399 | 1376 | return hdw->state_pipeline_req != 0; |
d855497e MI |
1377 | } |
1378 | ||
1379 | ||
1380 | int pvr2_hdw_set_streaming(struct pvr2_hdw *hdw,int enable_flag) | |
1381 | { | |
681c7399 | 1382 | int ret,st; |
d855497e | 1383 | LOCK_TAKE(hdw->big_lock); do { |
681c7399 MI |
1384 | pvr2_hdw_untrip_unlocked(hdw); |
1385 | if ((!enable_flag) != !(hdw->state_pipeline_req)) { | |
1386 | hdw->state_pipeline_req = enable_flag != 0; | |
1387 | pvr2_trace(PVR2_TRACE_START_STOP, | |
1388 | "/*--TRACE_STREAM--*/ %s", | |
1389 | enable_flag ? "enable" : "disable"); | |
1390 | } | |
1391 | pvr2_hdw_state_sched(hdw); | |
d855497e | 1392 | } while (0); LOCK_GIVE(hdw->big_lock); |
681c7399 MI |
1393 | if ((ret = pvr2_hdw_wait(hdw,0)) < 0) return ret; |
1394 | if (enable_flag) { | |
1395 | while ((st = hdw->master_state) != PVR2_STATE_RUN) { | |
1396 | if (st != PVR2_STATE_READY) return -EIO; | |
1397 | if ((ret = pvr2_hdw_wait(hdw,st)) < 0) return ret; | |
1398 | } | |
1399 | } | |
d855497e MI |
1400 | return 0; |
1401 | } | |
1402 | ||
1403 | ||
1404 | int pvr2_hdw_set_stream_type(struct pvr2_hdw *hdw,enum pvr2_config config) | |
1405 | { | |
681c7399 | 1406 | int fl; |
d855497e | 1407 | LOCK_TAKE(hdw->big_lock); |
681c7399 MI |
1408 | if ((fl = (hdw->desired_stream_type != config)) != 0) { |
1409 | hdw->desired_stream_type = config; | |
1410 | hdw->state_pipeline_config = 0; | |
1411 | trace_stbit("state_pipeline_config", | |
1412 | hdw->state_pipeline_config); | |
1413 | pvr2_hdw_state_sched(hdw); | |
1414 | } | |
d855497e | 1415 | LOCK_GIVE(hdw->big_lock); |
681c7399 MI |
1416 | if (fl) return 0; |
1417 | return pvr2_hdw_wait(hdw,0); | |
d855497e MI |
1418 | } |
1419 | ||
1420 | ||
1421 | static int get_default_tuner_type(struct pvr2_hdw *hdw) | |
1422 | { | |
1423 | int unit_number = hdw->unit_number; | |
1424 | int tp = -1; | |
1425 | if ((unit_number >= 0) && (unit_number < PVR_NUM)) { | |
1426 | tp = tuner[unit_number]; | |
1427 | } | |
1428 | if (tp < 0) return -EINVAL; | |
1429 | hdw->tuner_type = tp; | |
aaf7884d | 1430 | hdw->tuner_updated = !0; |
d855497e MI |
1431 | return 0; |
1432 | } | |
1433 | ||
1434 | ||
1435 | static v4l2_std_id get_default_standard(struct pvr2_hdw *hdw) | |
1436 | { | |
1437 | int unit_number = hdw->unit_number; | |
1438 | int tp = 0; | |
1439 | if ((unit_number >= 0) && (unit_number < PVR_NUM)) { | |
1440 | tp = video_std[unit_number]; | |
6a540254 | 1441 | if (tp) return tp; |
d855497e | 1442 | } |
6a540254 | 1443 | return 0; |
d855497e MI |
1444 | } |
1445 | ||
1446 | ||
1447 | static unsigned int get_default_error_tolerance(struct pvr2_hdw *hdw) | |
1448 | { | |
1449 | int unit_number = hdw->unit_number; | |
1450 | int tp = 0; | |
1451 | if ((unit_number >= 0) && (unit_number < PVR_NUM)) { | |
1452 | tp = tolerance[unit_number]; | |
1453 | } | |
1454 | return tp; | |
1455 | } | |
1456 | ||
1457 | ||
1458 | static int pvr2_hdw_check_firmware(struct pvr2_hdw *hdw) | |
1459 | { | |
1460 | /* Try a harmless request to fetch the eeprom's address over | |
1461 | endpoint 1. See what happens. Only the full FX2 image can | |
1462 | respond to this. If this probe fails then likely the FX2 | |
1463 | firmware needs be loaded. */ | |
1464 | int result; | |
1465 | LOCK_TAKE(hdw->ctl_lock); do { | |
8d364363 | 1466 | hdw->cmd_buffer[0] = FX2CMD_GET_EEPROM_ADDR; |
d855497e MI |
1467 | result = pvr2_send_request_ex(hdw,HZ*1,!0, |
1468 | hdw->cmd_buffer,1, | |
1469 | hdw->cmd_buffer,1); | |
1470 | if (result < 0) break; | |
1471 | } while(0); LOCK_GIVE(hdw->ctl_lock); | |
1472 | if (result) { | |
1473 | pvr2_trace(PVR2_TRACE_INIT, | |
1474 | "Probe of device endpoint 1 result status %d", | |
1475 | result); | |
1476 | } else { | |
1477 | pvr2_trace(PVR2_TRACE_INIT, | |
1478 | "Probe of device endpoint 1 succeeded"); | |
1479 | } | |
1480 | return result == 0; | |
1481 | } | |
1482 | ||
9f66d4ea MI |
1483 | struct pvr2_std_hack { |
1484 | v4l2_std_id pat; /* Pattern to match */ | |
1485 | v4l2_std_id msk; /* Which bits we care about */ | |
1486 | v4l2_std_id std; /* What additional standards or default to set */ | |
1487 | }; | |
1488 | ||
1489 | /* This data structure labels specific combinations of standards from | |
1490 | tveeprom that we'll try to recognize. If we recognize one, then assume | |
1491 | a specified default standard to use. This is here because tveeprom only | |
1492 | tells us about available standards not the intended default standard (if | |
1493 | any) for the device in question. We guess the default based on what has | |
1494 | been reported as available. Note that this is only for guessing a | |
1495 | default - which can always be overridden explicitly - and if the user | |
1496 | has otherwise named a default then that default will always be used in | |
1497 | place of this table. */ | |
1498 | const static struct pvr2_std_hack std_eeprom_maps[] = { | |
1499 | { /* PAL(B/G) */ | |
1500 | .pat = V4L2_STD_B|V4L2_STD_GH, | |
1501 | .std = V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_PAL_G, | |
1502 | }, | |
1503 | { /* NTSC(M) */ | |
1504 | .pat = V4L2_STD_MN, | |
1505 | .std = V4L2_STD_NTSC_M, | |
1506 | }, | |
1507 | { /* PAL(I) */ | |
1508 | .pat = V4L2_STD_PAL_I, | |
1509 | .std = V4L2_STD_PAL_I, | |
1510 | }, | |
1511 | { /* SECAM(L/L') */ | |
1512 | .pat = V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC, | |
1513 | .std = V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC, | |
1514 | }, | |
1515 | { /* PAL(D/D1/K) */ | |
1516 | .pat = V4L2_STD_DK, | |
ea2562d9 | 1517 | .std = V4L2_STD_PAL_D|V4L2_STD_PAL_D1|V4L2_STD_PAL_K, |
9f66d4ea MI |
1518 | }, |
1519 | }; | |
1520 | ||
d855497e MI |
1521 | static void pvr2_hdw_setup_std(struct pvr2_hdw *hdw) |
1522 | { | |
1523 | char buf[40]; | |
1524 | unsigned int bcnt; | |
3d290bdb | 1525 | v4l2_std_id std1,std2,std3; |
d855497e MI |
1526 | |
1527 | std1 = get_default_standard(hdw); | |
3d290bdb | 1528 | std3 = std1 ? 0 : hdw->hdw_desc->default_std_mask; |
d855497e MI |
1529 | |
1530 | bcnt = pvr2_std_id_to_str(buf,sizeof(buf),hdw->std_mask_eeprom); | |
56585386 | 1531 | pvr2_trace(PVR2_TRACE_STD, |
56dcbfa0 MI |
1532 | "Supported video standard(s) reported available" |
1533 | " in hardware: %.*s", | |
d855497e MI |
1534 | bcnt,buf); |
1535 | ||
1536 | hdw->std_mask_avail = hdw->std_mask_eeprom; | |
1537 | ||
3d290bdb | 1538 | std2 = (std1|std3) & ~hdw->std_mask_avail; |
d855497e MI |
1539 | if (std2) { |
1540 | bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std2); | |
56585386 | 1541 | pvr2_trace(PVR2_TRACE_STD, |
d855497e MI |
1542 | "Expanding supported video standards" |
1543 | " to include: %.*s", | |
1544 | bcnt,buf); | |
1545 | hdw->std_mask_avail |= std2; | |
1546 | } | |
1547 | ||
1548 | pvr2_hdw_internal_set_std_avail(hdw); | |
1549 | ||
1550 | if (std1) { | |
1551 | bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std1); | |
56585386 | 1552 | pvr2_trace(PVR2_TRACE_STD, |
d855497e MI |
1553 | "Initial video standard forced to %.*s", |
1554 | bcnt,buf); | |
1555 | hdw->std_mask_cur = std1; | |
1556 | hdw->std_dirty = !0; | |
1557 | pvr2_hdw_internal_find_stdenum(hdw); | |
1558 | return; | |
1559 | } | |
3d290bdb MI |
1560 | if (std3) { |
1561 | bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std3); | |
1562 | pvr2_trace(PVR2_TRACE_STD, | |
1563 | "Initial video standard" | |
1564 | " (determined by device type): %.*s",bcnt,buf); | |
1565 | hdw->std_mask_cur = std3; | |
1566 | hdw->std_dirty = !0; | |
1567 | pvr2_hdw_internal_find_stdenum(hdw); | |
1568 | return; | |
1569 | } | |
d855497e | 1570 | |
9f66d4ea MI |
1571 | { |
1572 | unsigned int idx; | |
1573 | for (idx = 0; idx < ARRAY_SIZE(std_eeprom_maps); idx++) { | |
1574 | if (std_eeprom_maps[idx].msk ? | |
1575 | ((std_eeprom_maps[idx].pat ^ | |
1576 | hdw->std_mask_eeprom) & | |
1577 | std_eeprom_maps[idx].msk) : | |
1578 | (std_eeprom_maps[idx].pat != | |
1579 | hdw->std_mask_eeprom)) continue; | |
1580 | bcnt = pvr2_std_id_to_str(buf,sizeof(buf), | |
1581 | std_eeprom_maps[idx].std); | |
56585386 | 1582 | pvr2_trace(PVR2_TRACE_STD, |
9f66d4ea MI |
1583 | "Initial video standard guessed as %.*s", |
1584 | bcnt,buf); | |
1585 | hdw->std_mask_cur = std_eeprom_maps[idx].std; | |
1586 | hdw->std_dirty = !0; | |
1587 | pvr2_hdw_internal_find_stdenum(hdw); | |
1588 | return; | |
1589 | } | |
1590 | } | |
1591 | ||
d855497e MI |
1592 | if (hdw->std_enum_cnt > 1) { |
1593 | // Autoselect the first listed standard | |
1594 | hdw->std_enum_cur = 1; | |
1595 | hdw->std_mask_cur = hdw->std_defs[hdw->std_enum_cur-1].id; | |
1596 | hdw->std_dirty = !0; | |
56585386 | 1597 | pvr2_trace(PVR2_TRACE_STD, |
d855497e MI |
1598 | "Initial video standard auto-selected to %s", |
1599 | hdw->std_defs[hdw->std_enum_cur-1].name); | |
1600 | return; | |
1601 | } | |
1602 | ||
0885ba1d | 1603 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, |
d855497e MI |
1604 | "Unable to select a viable initial video standard"); |
1605 | } | |
1606 | ||
1607 | ||
1608 | static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw) | |
1609 | { | |
1610 | int ret; | |
1611 | unsigned int idx; | |
1612 | struct pvr2_ctrl *cptr; | |
1613 | int reloadFl = 0; | |
989eb154 | 1614 | if (hdw->hdw_desc->fx2_firmware.cnt) { |
1d643a37 MI |
1615 | if (!reloadFl) { |
1616 | reloadFl = | |
1617 | (hdw->usb_intf->cur_altsetting->desc.bNumEndpoints | |
1618 | == 0); | |
1619 | if (reloadFl) { | |
1620 | pvr2_trace(PVR2_TRACE_INIT, | |
1621 | "USB endpoint config looks strange" | |
1622 | "; possibly firmware needs to be" | |
1623 | " loaded"); | |
1624 | } | |
d855497e | 1625 | } |
1d643a37 MI |
1626 | if (!reloadFl) { |
1627 | reloadFl = !pvr2_hdw_check_firmware(hdw); | |
1628 | if (reloadFl) { | |
1629 | pvr2_trace(PVR2_TRACE_INIT, | |
1630 | "Check for FX2 firmware failed" | |
1631 | "; possibly firmware needs to be" | |
1632 | " loaded"); | |
1633 | } | |
d855497e | 1634 | } |
1d643a37 MI |
1635 | if (reloadFl) { |
1636 | if (pvr2_upload_firmware1(hdw) != 0) { | |
1637 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1638 | "Failure uploading firmware1"); | |
1639 | } | |
1640 | return; | |
d855497e | 1641 | } |
d855497e MI |
1642 | } |
1643 | hdw->fw1_state = FW1_STATE_OK; | |
1644 | ||
1645 | if (initusbreset) { | |
1646 | pvr2_hdw_device_reset(hdw); | |
1647 | } | |
1648 | if (!pvr2_hdw_dev_ok(hdw)) return; | |
1649 | ||
989eb154 MI |
1650 | for (idx = 0; idx < hdw->hdw_desc->client_modules.cnt; idx++) { |
1651 | request_module(hdw->hdw_desc->client_modules.lst[idx]); | |
d855497e MI |
1652 | } |
1653 | ||
989eb154 | 1654 | if (!hdw->hdw_desc->flag_no_powerup) { |
1d643a37 MI |
1655 | pvr2_hdw_cmd_powerup(hdw); |
1656 | if (!pvr2_hdw_dev_ok(hdw)) return; | |
d855497e MI |
1657 | } |
1658 | ||
1659 | // This step MUST happen after the earlier powerup step. | |
1660 | pvr2_i2c_core_init(hdw); | |
1661 | if (!pvr2_hdw_dev_ok(hdw)) return; | |
1662 | ||
c05c0462 | 1663 | for (idx = 0; idx < CTRLDEF_COUNT; idx++) { |
d855497e MI |
1664 | cptr = hdw->controls + idx; |
1665 | if (cptr->info->skip_init) continue; | |
1666 | if (!cptr->info->set_value) continue; | |
1667 | cptr->info->set_value(cptr,~0,cptr->info->default_value); | |
1668 | } | |
1669 | ||
1bde0289 MI |
1670 | /* Set up special default values for the television and radio |
1671 | frequencies here. It's not really important what these defaults | |
1672 | are, but I set them to something usable in the Chicago area just | |
1673 | to make driver testing a little easier. */ | |
1674 | ||
1675 | /* US Broadcast channel 7 (175.25 MHz) */ | |
1676 | hdw->freqValTelevision = 175250000L; | |
1677 | /* 104.3 MHz, a usable FM station for my area */ | |
1678 | hdw->freqValRadio = 104300000L; | |
1679 | ||
d855497e MI |
1680 | // Do not use pvr2_reset_ctl_endpoints() here. It is not |
1681 | // thread-safe against the normal pvr2_send_request() mechanism. | |
1682 | // (We should make it thread safe). | |
1683 | ||
aaf7884d MI |
1684 | if (hdw->hdw_desc->flag_has_hauppauge_rom) { |
1685 | ret = pvr2_hdw_get_eeprom_addr(hdw); | |
d855497e | 1686 | if (!pvr2_hdw_dev_ok(hdw)) return; |
aaf7884d MI |
1687 | if (ret < 0) { |
1688 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
1689 | "Unable to determine location of eeprom," | |
1690 | " skipping"); | |
1691 | } else { | |
1692 | hdw->eeprom_addr = ret; | |
1693 | pvr2_eeprom_analyze(hdw); | |
1694 | if (!pvr2_hdw_dev_ok(hdw)) return; | |
1695 | } | |
1696 | } else { | |
1697 | hdw->tuner_type = hdw->hdw_desc->default_tuner_type; | |
1698 | hdw->tuner_updated = !0; | |
1699 | hdw->std_mask_eeprom = V4L2_STD_ALL; | |
d855497e MI |
1700 | } |
1701 | ||
1702 | pvr2_hdw_setup_std(hdw); | |
1703 | ||
1704 | if (!get_default_tuner_type(hdw)) { | |
1705 | pvr2_trace(PVR2_TRACE_INIT, | |
1706 | "pvr2_hdw_setup: Tuner type overridden to %d", | |
1707 | hdw->tuner_type); | |
1708 | } | |
1709 | ||
d855497e MI |
1710 | pvr2_i2c_core_check_stale(hdw); |
1711 | hdw->tuner_updated = 0; | |
1712 | ||
1713 | if (!pvr2_hdw_dev_ok(hdw)) return; | |
1714 | ||
681c7399 | 1715 | pvr2_hdw_commit_setup(hdw); |
d855497e MI |
1716 | |
1717 | hdw->vid_stream = pvr2_stream_create(); | |
1718 | if (!pvr2_hdw_dev_ok(hdw)) return; | |
1719 | pvr2_trace(PVR2_TRACE_INIT, | |
1720 | "pvr2_hdw_setup: video stream is %p",hdw->vid_stream); | |
1721 | if (hdw->vid_stream) { | |
1722 | idx = get_default_error_tolerance(hdw); | |
1723 | if (idx) { | |
1724 | pvr2_trace(PVR2_TRACE_INIT, | |
1725 | "pvr2_hdw_setup: video stream %p" | |
1726 | " setting tolerance %u", | |
1727 | hdw->vid_stream,idx); | |
1728 | } | |
1729 | pvr2_stream_setup(hdw->vid_stream,hdw->usb_dev, | |
1730 | PVR2_VID_ENDPOINT,idx); | |
1731 | } | |
1732 | ||
1733 | if (!pvr2_hdw_dev_ok(hdw)) return; | |
1734 | ||
d855497e | 1735 | hdw->flag_init_ok = !0; |
681c7399 MI |
1736 | |
1737 | pvr2_hdw_state_sched(hdw); | |
d855497e MI |
1738 | } |
1739 | ||
1740 | ||
681c7399 MI |
1741 | /* Set up the structure and attempt to put the device into a usable state. |
1742 | This can be a time-consuming operation, which is why it is not done | |
1743 | internally as part of the create() step. */ | |
1744 | static void pvr2_hdw_setup(struct pvr2_hdw *hdw) | |
d855497e MI |
1745 | { |
1746 | pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_setup(hdw=%p) begin",hdw); | |
681c7399 | 1747 | do { |
d855497e MI |
1748 | pvr2_hdw_setup_low(hdw); |
1749 | pvr2_trace(PVR2_TRACE_INIT, | |
1750 | "pvr2_hdw_setup(hdw=%p) done, ok=%d init_ok=%d", | |
681c7399 | 1751 | hdw,pvr2_hdw_dev_ok(hdw),hdw->flag_init_ok); |
d855497e | 1752 | if (pvr2_hdw_dev_ok(hdw)) { |
681c7399 | 1753 | if (hdw->flag_init_ok) { |
d855497e MI |
1754 | pvr2_trace( |
1755 | PVR2_TRACE_INFO, | |
1756 | "Device initialization" | |
1757 | " completed successfully."); | |
1758 | break; | |
1759 | } | |
1760 | if (hdw->fw1_state == FW1_STATE_RELOAD) { | |
1761 | pvr2_trace( | |
1762 | PVR2_TRACE_INFO, | |
1763 | "Device microcontroller firmware" | |
1764 | " (re)loaded; it should now reset" | |
1765 | " and reconnect."); | |
1766 | break; | |
1767 | } | |
1768 | pvr2_trace( | |
1769 | PVR2_TRACE_ERROR_LEGS, | |
1770 | "Device initialization was not successful."); | |
1771 | if (hdw->fw1_state == FW1_STATE_MISSING) { | |
1772 | pvr2_trace( | |
1773 | PVR2_TRACE_ERROR_LEGS, | |
1774 | "Giving up since device" | |
1775 | " microcontroller firmware" | |
1776 | " appears to be missing."); | |
1777 | break; | |
1778 | } | |
1779 | } | |
1780 | if (procreload) { | |
1781 | pvr2_trace( | |
1782 | PVR2_TRACE_ERROR_LEGS, | |
1783 | "Attempting pvrusb2 recovery by reloading" | |
1784 | " primary firmware."); | |
1785 | pvr2_trace( | |
1786 | PVR2_TRACE_ERROR_LEGS, | |
1787 | "If this works, device should disconnect" | |
1788 | " and reconnect in a sane state."); | |
1789 | hdw->fw1_state = FW1_STATE_UNKNOWN; | |
1790 | pvr2_upload_firmware1(hdw); | |
1791 | } else { | |
1792 | pvr2_trace( | |
1793 | PVR2_TRACE_ERROR_LEGS, | |
1794 | "***WARNING*** pvrusb2 device hardware" | |
1795 | " appears to be jammed" | |
1796 | " and I can't clear it."); | |
1797 | pvr2_trace( | |
1798 | PVR2_TRACE_ERROR_LEGS, | |
1799 | "You might need to power cycle" | |
1800 | " the pvrusb2 device" | |
1801 | " in order to recover."); | |
1802 | } | |
681c7399 | 1803 | } while (0); |
d855497e | 1804 | pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_setup(hdw=%p) end",hdw); |
d855497e MI |
1805 | } |
1806 | ||
1807 | ||
1808 | /* Create and return a structure for interacting with the underlying | |
1809 | hardware */ | |
1810 | struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, | |
1811 | const struct usb_device_id *devid) | |
1812 | { | |
1813 | unsigned int idx,cnt1,cnt2; | |
1814 | struct pvr2_hdw *hdw; | |
d855497e MI |
1815 | int valid_std_mask; |
1816 | struct pvr2_ctrl *cptr; | |
989eb154 | 1817 | const struct pvr2_device_desc *hdw_desc; |
d855497e | 1818 | __u8 ifnum; |
b30d2441 MI |
1819 | struct v4l2_queryctrl qctrl; |
1820 | struct pvr2_ctl_info *ciptr; | |
d855497e | 1821 | |
d130fa8a | 1822 | hdw_desc = (const struct pvr2_device_desc *)(devid->driver_info); |
d855497e | 1823 | |
ca545f7c | 1824 | hdw = kzalloc(sizeof(*hdw),GFP_KERNEL); |
d855497e | 1825 | pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_create: hdw=%p, type \"%s\"", |
989eb154 | 1826 | hdw,hdw_desc->description); |
d855497e | 1827 | if (!hdw) goto fail; |
681c7399 MI |
1828 | |
1829 | init_timer(&hdw->quiescent_timer); | |
1830 | hdw->quiescent_timer.data = (unsigned long)hdw; | |
1831 | hdw->quiescent_timer.function = pvr2_hdw_quiescent_timeout; | |
1832 | ||
1833 | init_timer(&hdw->encoder_wait_timer); | |
1834 | hdw->encoder_wait_timer.data = (unsigned long)hdw; | |
1835 | hdw->encoder_wait_timer.function = pvr2_hdw_encoder_wait_timeout; | |
1836 | ||
1837 | hdw->master_state = PVR2_STATE_DEAD; | |
1838 | ||
1839 | init_waitqueue_head(&hdw->state_wait_data); | |
1840 | ||
18103c57 | 1841 | hdw->tuner_signal_stale = !0; |
b30d2441 | 1842 | cx2341x_fill_defaults(&hdw->enc_ctl_state); |
d855497e | 1843 | |
c05c0462 | 1844 | hdw->control_cnt = CTRLDEF_COUNT; |
b30d2441 | 1845 | hdw->control_cnt += MPEGDEF_COUNT; |
ca545f7c | 1846 | hdw->controls = kzalloc(sizeof(struct pvr2_ctrl) * hdw->control_cnt, |
d855497e MI |
1847 | GFP_KERNEL); |
1848 | if (!hdw->controls) goto fail; | |
989eb154 | 1849 | hdw->hdw_desc = hdw_desc; |
c05c0462 MI |
1850 | for (idx = 0; idx < hdw->control_cnt; idx++) { |
1851 | cptr = hdw->controls + idx; | |
1852 | cptr->hdw = hdw; | |
1853 | } | |
d855497e MI |
1854 | for (idx = 0; idx < 32; idx++) { |
1855 | hdw->std_mask_ptrs[idx] = hdw->std_mask_names[idx]; | |
1856 | } | |
c05c0462 | 1857 | for (idx = 0; idx < CTRLDEF_COUNT; idx++) { |
d855497e | 1858 | cptr = hdw->controls + idx; |
d855497e MI |
1859 | cptr->info = control_defs+idx; |
1860 | } | |
b30d2441 | 1861 | /* Define and configure additional controls from cx2341x module. */ |
ca545f7c | 1862 | hdw->mpeg_ctrl_info = kzalloc( |
b30d2441 MI |
1863 | sizeof(*(hdw->mpeg_ctrl_info)) * MPEGDEF_COUNT, GFP_KERNEL); |
1864 | if (!hdw->mpeg_ctrl_info) goto fail; | |
b30d2441 MI |
1865 | for (idx = 0; idx < MPEGDEF_COUNT; idx++) { |
1866 | cptr = hdw->controls + idx + CTRLDEF_COUNT; | |
1867 | ciptr = &(hdw->mpeg_ctrl_info[idx].info); | |
1868 | ciptr->desc = hdw->mpeg_ctrl_info[idx].desc; | |
1869 | ciptr->name = mpeg_ids[idx].strid; | |
1870 | ciptr->v4l_id = mpeg_ids[idx].id; | |
1871 | ciptr->skip_init = !0; | |
1872 | ciptr->get_value = ctrl_cx2341x_get; | |
1873 | ciptr->get_v4lflags = ctrl_cx2341x_getv4lflags; | |
1874 | ciptr->is_dirty = ctrl_cx2341x_is_dirty; | |
1875 | if (!idx) ciptr->clear_dirty = ctrl_cx2341x_clear_dirty; | |
1876 | qctrl.id = ciptr->v4l_id; | |
1877 | cx2341x_ctrl_query(&hdw->enc_ctl_state,&qctrl); | |
1878 | if (!(qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY)) { | |
1879 | ciptr->set_value = ctrl_cx2341x_set; | |
1880 | } | |
1881 | strncpy(hdw->mpeg_ctrl_info[idx].desc,qctrl.name, | |
1882 | PVR2_CTLD_INFO_DESC_SIZE); | |
1883 | hdw->mpeg_ctrl_info[idx].desc[PVR2_CTLD_INFO_DESC_SIZE-1] = 0; | |
1884 | ciptr->default_value = qctrl.default_value; | |
1885 | switch (qctrl.type) { | |
1886 | default: | |
1887 | case V4L2_CTRL_TYPE_INTEGER: | |
1888 | ciptr->type = pvr2_ctl_int; | |
1889 | ciptr->def.type_int.min_value = qctrl.minimum; | |
1890 | ciptr->def.type_int.max_value = qctrl.maximum; | |
1891 | break; | |
1892 | case V4L2_CTRL_TYPE_BOOLEAN: | |
1893 | ciptr->type = pvr2_ctl_bool; | |
1894 | break; | |
1895 | case V4L2_CTRL_TYPE_MENU: | |
1896 | ciptr->type = pvr2_ctl_enum; | |
1897 | ciptr->def.type_enum.value_names = | |
1898 | cx2341x_ctrl_get_menu(ciptr->v4l_id); | |
1899 | for (cnt1 = 0; | |
1900 | ciptr->def.type_enum.value_names[cnt1] != NULL; | |
1901 | cnt1++) { } | |
1902 | ciptr->def.type_enum.count = cnt1; | |
1903 | break; | |
1904 | } | |
1905 | cptr->info = ciptr; | |
1906 | } | |
d855497e MI |
1907 | |
1908 | // Initialize video standard enum dynamic control | |
1909 | cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDENUM); | |
1910 | if (cptr) { | |
1911 | memcpy(&hdw->std_info_enum,cptr->info, | |
1912 | sizeof(hdw->std_info_enum)); | |
1913 | cptr->info = &hdw->std_info_enum; | |
1914 | ||
1915 | } | |
1916 | // Initialize control data regarding video standard masks | |
1917 | valid_std_mask = pvr2_std_get_usable(); | |
1918 | for (idx = 0; idx < 32; idx++) { | |
1919 | if (!(valid_std_mask & (1 << idx))) continue; | |
1920 | cnt1 = pvr2_std_id_to_str( | |
1921 | hdw->std_mask_names[idx], | |
1922 | sizeof(hdw->std_mask_names[idx])-1, | |
1923 | 1 << idx); | |
1924 | hdw->std_mask_names[idx][cnt1] = 0; | |
1925 | } | |
1926 | cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDAVAIL); | |
1927 | if (cptr) { | |
1928 | memcpy(&hdw->std_info_avail,cptr->info, | |
1929 | sizeof(hdw->std_info_avail)); | |
1930 | cptr->info = &hdw->std_info_avail; | |
1931 | hdw->std_info_avail.def.type_bitmask.bit_names = | |
1932 | hdw->std_mask_ptrs; | |
1933 | hdw->std_info_avail.def.type_bitmask.valid_bits = | |
1934 | valid_std_mask; | |
1935 | } | |
1936 | cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDCUR); | |
1937 | if (cptr) { | |
1938 | memcpy(&hdw->std_info_cur,cptr->info, | |
1939 | sizeof(hdw->std_info_cur)); | |
1940 | cptr->info = &hdw->std_info_cur; | |
1941 | hdw->std_info_cur.def.type_bitmask.bit_names = | |
1942 | hdw->std_mask_ptrs; | |
1943 | hdw->std_info_avail.def.type_bitmask.valid_bits = | |
1944 | valid_std_mask; | |
1945 | } | |
1946 | ||
1947 | hdw->eeprom_addr = -1; | |
1948 | hdw->unit_number = -1; | |
8079384e MI |
1949 | hdw->v4l_minor_number_video = -1; |
1950 | hdw->v4l_minor_number_vbi = -1; | |
fd5a75fe | 1951 | hdw->v4l_minor_number_radio = -1; |
d855497e MI |
1952 | hdw->ctl_write_buffer = kmalloc(PVR2_CTL_BUFFSIZE,GFP_KERNEL); |
1953 | if (!hdw->ctl_write_buffer) goto fail; | |
1954 | hdw->ctl_read_buffer = kmalloc(PVR2_CTL_BUFFSIZE,GFP_KERNEL); | |
1955 | if (!hdw->ctl_read_buffer) goto fail; | |
1956 | hdw->ctl_write_urb = usb_alloc_urb(0,GFP_KERNEL); | |
1957 | if (!hdw->ctl_write_urb) goto fail; | |
1958 | hdw->ctl_read_urb = usb_alloc_urb(0,GFP_KERNEL); | |
1959 | if (!hdw->ctl_read_urb) goto fail; | |
1960 | ||
8df0c87c | 1961 | mutex_lock(&pvr2_unit_mtx); do { |
d855497e MI |
1962 | for (idx = 0; idx < PVR_NUM; idx++) { |
1963 | if (unit_pointers[idx]) continue; | |
1964 | hdw->unit_number = idx; | |
1965 | unit_pointers[idx] = hdw; | |
1966 | break; | |
1967 | } | |
8df0c87c | 1968 | } while (0); mutex_unlock(&pvr2_unit_mtx); |
d855497e MI |
1969 | |
1970 | cnt1 = 0; | |
1971 | cnt2 = scnprintf(hdw->name+cnt1,sizeof(hdw->name)-cnt1,"pvrusb2"); | |
1972 | cnt1 += cnt2; | |
1973 | if (hdw->unit_number >= 0) { | |
1974 | cnt2 = scnprintf(hdw->name+cnt1,sizeof(hdw->name)-cnt1,"_%c", | |
1975 | ('a' + hdw->unit_number)); | |
1976 | cnt1 += cnt2; | |
1977 | } | |
1978 | if (cnt1 >= sizeof(hdw->name)) cnt1 = sizeof(hdw->name)-1; | |
1979 | hdw->name[cnt1] = 0; | |
1980 | ||
681c7399 MI |
1981 | hdw->workqueue = create_singlethread_workqueue(hdw->name); |
1982 | INIT_WORK(&hdw->workpoll,pvr2_hdw_worker_poll); | |
1983 | INIT_WORK(&hdw->worki2csync,pvr2_hdw_worker_i2c); | |
1984 | INIT_WORK(&hdw->workinit,pvr2_hdw_worker_init); | |
1985 | ||
d855497e MI |
1986 | pvr2_trace(PVR2_TRACE_INIT,"Driver unit number is %d, name is %s", |
1987 | hdw->unit_number,hdw->name); | |
1988 | ||
1989 | hdw->tuner_type = -1; | |
1990 | hdw->flag_ok = !0; | |
d855497e MI |
1991 | |
1992 | hdw->usb_intf = intf; | |
1993 | hdw->usb_dev = interface_to_usbdev(intf); | |
1994 | ||
31a18547 MI |
1995 | scnprintf(hdw->bus_info,sizeof(hdw->bus_info), |
1996 | "usb %s address %d", | |
1997 | hdw->usb_dev->dev.bus_id, | |
1998 | hdw->usb_dev->devnum); | |
1999 | ||
d855497e MI |
2000 | ifnum = hdw->usb_intf->cur_altsetting->desc.bInterfaceNumber; |
2001 | usb_set_interface(hdw->usb_dev,ifnum,0); | |
2002 | ||
2003 | mutex_init(&hdw->ctl_lock_mutex); | |
2004 | mutex_init(&hdw->big_lock_mutex); | |
2005 | ||
681c7399 | 2006 | queue_work(hdw->workqueue,&hdw->workinit); |
d855497e MI |
2007 | return hdw; |
2008 | fail: | |
2009 | if (hdw) { | |
681c7399 MI |
2010 | del_timer_sync(&hdw->quiescent_timer); |
2011 | del_timer_sync(&hdw->encoder_wait_timer); | |
2012 | if (hdw->workqueue) { | |
2013 | flush_workqueue(hdw->workqueue); | |
2014 | destroy_workqueue(hdw->workqueue); | |
2015 | hdw->workqueue = NULL; | |
2016 | } | |
5e55d2ce MK |
2017 | usb_free_urb(hdw->ctl_read_urb); |
2018 | usb_free_urb(hdw->ctl_write_urb); | |
22071a42 MK |
2019 | kfree(hdw->ctl_read_buffer); |
2020 | kfree(hdw->ctl_write_buffer); | |
2021 | kfree(hdw->controls); | |
2022 | kfree(hdw->mpeg_ctrl_info); | |
681c7399 MI |
2023 | kfree(hdw->std_defs); |
2024 | kfree(hdw->std_enum_names); | |
d855497e MI |
2025 | kfree(hdw); |
2026 | } | |
a0fd1cb1 | 2027 | return NULL; |
d855497e MI |
2028 | } |
2029 | ||
2030 | ||
2031 | /* Remove _all_ associations between this driver and the underlying USB | |
2032 | layer. */ | |
07e337ee | 2033 | static void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw) |
d855497e MI |
2034 | { |
2035 | if (hdw->flag_disconnected) return; | |
2036 | pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_remove_usb_stuff: hdw=%p",hdw); | |
2037 | if (hdw->ctl_read_urb) { | |
2038 | usb_kill_urb(hdw->ctl_read_urb); | |
2039 | usb_free_urb(hdw->ctl_read_urb); | |
a0fd1cb1 | 2040 | hdw->ctl_read_urb = NULL; |
d855497e MI |
2041 | } |
2042 | if (hdw->ctl_write_urb) { | |
2043 | usb_kill_urb(hdw->ctl_write_urb); | |
2044 | usb_free_urb(hdw->ctl_write_urb); | |
a0fd1cb1 | 2045 | hdw->ctl_write_urb = NULL; |
d855497e MI |
2046 | } |
2047 | if (hdw->ctl_read_buffer) { | |
2048 | kfree(hdw->ctl_read_buffer); | |
a0fd1cb1 | 2049 | hdw->ctl_read_buffer = NULL; |
d855497e MI |
2050 | } |
2051 | if (hdw->ctl_write_buffer) { | |
2052 | kfree(hdw->ctl_write_buffer); | |
a0fd1cb1 | 2053 | hdw->ctl_write_buffer = NULL; |
d855497e | 2054 | } |
d855497e | 2055 | hdw->flag_disconnected = !0; |
a0fd1cb1 MI |
2056 | hdw->usb_dev = NULL; |
2057 | hdw->usb_intf = NULL; | |
681c7399 | 2058 | pvr2_hdw_render_useless(hdw); |
d855497e MI |
2059 | } |
2060 | ||
2061 | ||
2062 | /* Destroy hardware interaction structure */ | |
2063 | void pvr2_hdw_destroy(struct pvr2_hdw *hdw) | |
2064 | { | |
401c27ce | 2065 | if (!hdw) return; |
d855497e | 2066 | pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_destroy: hdw=%p",hdw); |
681c7399 MI |
2067 | del_timer_sync(&hdw->quiescent_timer); |
2068 | del_timer_sync(&hdw->encoder_wait_timer); | |
2069 | if (hdw->workqueue) { | |
2070 | flush_workqueue(hdw->workqueue); | |
2071 | destroy_workqueue(hdw->workqueue); | |
2072 | hdw->workqueue = NULL; | |
2073 | } | |
d855497e MI |
2074 | if (hdw->fw_buffer) { |
2075 | kfree(hdw->fw_buffer); | |
a0fd1cb1 | 2076 | hdw->fw_buffer = NULL; |
d855497e MI |
2077 | } |
2078 | if (hdw->vid_stream) { | |
2079 | pvr2_stream_destroy(hdw->vid_stream); | |
a0fd1cb1 | 2080 | hdw->vid_stream = NULL; |
d855497e | 2081 | } |
d855497e MI |
2082 | if (hdw->decoder_ctrl) { |
2083 | hdw->decoder_ctrl->detach(hdw->decoder_ctrl->ctxt); | |
2084 | } | |
2085 | pvr2_i2c_core_done(hdw); | |
2086 | pvr2_hdw_remove_usb_stuff(hdw); | |
8df0c87c | 2087 | mutex_lock(&pvr2_unit_mtx); do { |
d855497e MI |
2088 | if ((hdw->unit_number >= 0) && |
2089 | (hdw->unit_number < PVR_NUM) && | |
2090 | (unit_pointers[hdw->unit_number] == hdw)) { | |
a0fd1cb1 | 2091 | unit_pointers[hdw->unit_number] = NULL; |
d855497e | 2092 | } |
8df0c87c | 2093 | } while (0); mutex_unlock(&pvr2_unit_mtx); |
22071a42 MK |
2094 | kfree(hdw->controls); |
2095 | kfree(hdw->mpeg_ctrl_info); | |
2096 | kfree(hdw->std_defs); | |
2097 | kfree(hdw->std_enum_names); | |
d855497e MI |
2098 | kfree(hdw); |
2099 | } | |
2100 | ||
2101 | ||
d855497e MI |
2102 | int pvr2_hdw_dev_ok(struct pvr2_hdw *hdw) |
2103 | { | |
2104 | return (hdw && hdw->flag_ok); | |
2105 | } | |
2106 | ||
2107 | ||
2108 | /* Called when hardware has been unplugged */ | |
2109 | void pvr2_hdw_disconnect(struct pvr2_hdw *hdw) | |
2110 | { | |
2111 | pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_disconnect(hdw=%p)",hdw); | |
2112 | LOCK_TAKE(hdw->big_lock); | |
2113 | LOCK_TAKE(hdw->ctl_lock); | |
2114 | pvr2_hdw_remove_usb_stuff(hdw); | |
2115 | LOCK_GIVE(hdw->ctl_lock); | |
2116 | LOCK_GIVE(hdw->big_lock); | |
2117 | } | |
2118 | ||
2119 | ||
2120 | // Attempt to autoselect an appropriate value for std_enum_cur given | |
2121 | // whatever is currently in std_mask_cur | |
07e337ee | 2122 | static void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw) |
d855497e MI |
2123 | { |
2124 | unsigned int idx; | |
2125 | for (idx = 1; idx < hdw->std_enum_cnt; idx++) { | |
2126 | if (hdw->std_defs[idx-1].id == hdw->std_mask_cur) { | |
2127 | hdw->std_enum_cur = idx; | |
2128 | return; | |
2129 | } | |
2130 | } | |
2131 | hdw->std_enum_cur = 0; | |
2132 | } | |
2133 | ||
2134 | ||
2135 | // Calculate correct set of enumerated standards based on currently known | |
2136 | // set of available standards bits. | |
07e337ee | 2137 | static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw) |
d855497e MI |
2138 | { |
2139 | struct v4l2_standard *newstd; | |
2140 | unsigned int std_cnt; | |
2141 | unsigned int idx; | |
2142 | ||
2143 | newstd = pvr2_std_create_enum(&std_cnt,hdw->std_mask_avail); | |
2144 | ||
2145 | if (hdw->std_defs) { | |
2146 | kfree(hdw->std_defs); | |
a0fd1cb1 | 2147 | hdw->std_defs = NULL; |
d855497e MI |
2148 | } |
2149 | hdw->std_enum_cnt = 0; | |
2150 | if (hdw->std_enum_names) { | |
2151 | kfree(hdw->std_enum_names); | |
a0fd1cb1 | 2152 | hdw->std_enum_names = NULL; |
d855497e MI |
2153 | } |
2154 | ||
2155 | if (!std_cnt) { | |
2156 | pvr2_trace( | |
2157 | PVR2_TRACE_ERROR_LEGS, | |
2158 | "WARNING: Failed to identify any viable standards"); | |
2159 | } | |
2160 | hdw->std_enum_names = kmalloc(sizeof(char *)*(std_cnt+1),GFP_KERNEL); | |
2161 | hdw->std_enum_names[0] = "none"; | |
2162 | for (idx = 0; idx < std_cnt; idx++) { | |
2163 | hdw->std_enum_names[idx+1] = | |
2164 | newstd[idx].name; | |
2165 | } | |
2166 | // Set up the dynamic control for this standard | |
2167 | hdw->std_info_enum.def.type_enum.value_names = hdw->std_enum_names; | |
2168 | hdw->std_info_enum.def.type_enum.count = std_cnt+1; | |
2169 | hdw->std_defs = newstd; | |
2170 | hdw->std_enum_cnt = std_cnt+1; | |
2171 | hdw->std_enum_cur = 0; | |
2172 | hdw->std_info_cur.def.type_bitmask.valid_bits = hdw->std_mask_avail; | |
2173 | } | |
2174 | ||
2175 | ||
2176 | int pvr2_hdw_get_stdenum_value(struct pvr2_hdw *hdw, | |
2177 | struct v4l2_standard *std, | |
2178 | unsigned int idx) | |
2179 | { | |
2180 | int ret = -EINVAL; | |
2181 | if (!idx) return ret; | |
2182 | LOCK_TAKE(hdw->big_lock); do { | |
2183 | if (idx >= hdw->std_enum_cnt) break; | |
2184 | idx--; | |
2185 | memcpy(std,hdw->std_defs+idx,sizeof(*std)); | |
2186 | ret = 0; | |
2187 | } while (0); LOCK_GIVE(hdw->big_lock); | |
2188 | return ret; | |
2189 | } | |
2190 | ||
2191 | ||
2192 | /* Get the number of defined controls */ | |
2193 | unsigned int pvr2_hdw_get_ctrl_count(struct pvr2_hdw *hdw) | |
2194 | { | |
c05c0462 | 2195 | return hdw->control_cnt; |
d855497e MI |
2196 | } |
2197 | ||
2198 | ||
2199 | /* Retrieve a control handle given its index (0..count-1) */ | |
2200 | struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_index(struct pvr2_hdw *hdw, | |
2201 | unsigned int idx) | |
2202 | { | |
a0fd1cb1 | 2203 | if (idx >= hdw->control_cnt) return NULL; |
d855497e MI |
2204 | return hdw->controls + idx; |
2205 | } | |
2206 | ||
2207 | ||
2208 | /* Retrieve a control handle given its index (0..count-1) */ | |
2209 | struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_id(struct pvr2_hdw *hdw, | |
2210 | unsigned int ctl_id) | |
2211 | { | |
2212 | struct pvr2_ctrl *cptr; | |
2213 | unsigned int idx; | |
2214 | int i; | |
2215 | ||
2216 | /* This could be made a lot more efficient, but for now... */ | |
c05c0462 | 2217 | for (idx = 0; idx < hdw->control_cnt; idx++) { |
d855497e MI |
2218 | cptr = hdw->controls + idx; |
2219 | i = cptr->info->internal_id; | |
2220 | if (i && (i == ctl_id)) return cptr; | |
2221 | } | |
a0fd1cb1 | 2222 | return NULL; |
d855497e MI |
2223 | } |
2224 | ||
2225 | ||
a761f431 | 2226 | /* Given a V4L ID, retrieve the control structure associated with it. */ |
d855497e MI |
2227 | struct pvr2_ctrl *pvr2_hdw_get_ctrl_v4l(struct pvr2_hdw *hdw,unsigned int ctl_id) |
2228 | { | |
2229 | struct pvr2_ctrl *cptr; | |
2230 | unsigned int idx; | |
2231 | int i; | |
2232 | ||
2233 | /* This could be made a lot more efficient, but for now... */ | |
c05c0462 | 2234 | for (idx = 0; idx < hdw->control_cnt; idx++) { |
d855497e MI |
2235 | cptr = hdw->controls + idx; |
2236 | i = cptr->info->v4l_id; | |
2237 | if (i && (i == ctl_id)) return cptr; | |
2238 | } | |
a0fd1cb1 | 2239 | return NULL; |
d855497e MI |
2240 | } |
2241 | ||
2242 | ||
a761f431 MI |
2243 | /* Given a V4L ID for its immediate predecessor, retrieve the control |
2244 | structure associated with it. */ | |
2245 | struct pvr2_ctrl *pvr2_hdw_get_ctrl_nextv4l(struct pvr2_hdw *hdw, | |
2246 | unsigned int ctl_id) | |
2247 | { | |
2248 | struct pvr2_ctrl *cptr,*cp2; | |
2249 | unsigned int idx; | |
2250 | int i; | |
2251 | ||
2252 | /* This could be made a lot more efficient, but for now... */ | |
a0fd1cb1 | 2253 | cp2 = NULL; |
a761f431 MI |
2254 | for (idx = 0; idx < hdw->control_cnt; idx++) { |
2255 | cptr = hdw->controls + idx; | |
2256 | i = cptr->info->v4l_id; | |
2257 | if (!i) continue; | |
2258 | if (i <= ctl_id) continue; | |
2259 | if (cp2 && (cp2->info->v4l_id < i)) continue; | |
2260 | cp2 = cptr; | |
2261 | } | |
2262 | return cp2; | |
a0fd1cb1 | 2263 | return NULL; |
a761f431 MI |
2264 | } |
2265 | ||
2266 | ||
d855497e MI |
2267 | static const char *get_ctrl_typename(enum pvr2_ctl_type tp) |
2268 | { | |
2269 | switch (tp) { | |
2270 | case pvr2_ctl_int: return "integer"; | |
2271 | case pvr2_ctl_enum: return "enum"; | |
33213963 | 2272 | case pvr2_ctl_bool: return "boolean"; |
d855497e MI |
2273 | case pvr2_ctl_bitmask: return "bitmask"; |
2274 | } | |
2275 | return ""; | |
2276 | } | |
2277 | ||
2278 | ||
681c7399 MI |
2279 | /* Figure out if we need to commit control changes. If so, mark internal |
2280 | state flags to indicate this fact and return true. Otherwise do nothing | |
2281 | else and return false. */ | |
2282 | static int pvr2_hdw_commit_setup(struct pvr2_hdw *hdw) | |
d855497e | 2283 | { |
d855497e MI |
2284 | unsigned int idx; |
2285 | struct pvr2_ctrl *cptr; | |
2286 | int value; | |
2287 | int commit_flag = 0; | |
2288 | char buf[100]; | |
2289 | unsigned int bcnt,ccnt; | |
2290 | ||
c05c0462 | 2291 | for (idx = 0; idx < hdw->control_cnt; idx++) { |
d855497e | 2292 | cptr = hdw->controls + idx; |
5fa1247a | 2293 | if (!cptr->info->is_dirty) continue; |
d855497e | 2294 | if (!cptr->info->is_dirty(cptr)) continue; |
fe23a280 | 2295 | commit_flag = !0; |
d855497e | 2296 | |
fe23a280 | 2297 | if (!(pvrusb2_debug & PVR2_TRACE_CTL)) continue; |
d855497e MI |
2298 | bcnt = scnprintf(buf,sizeof(buf),"\"%s\" <-- ", |
2299 | cptr->info->name); | |
2300 | value = 0; | |
2301 | cptr->info->get_value(cptr,&value); | |
2302 | pvr2_ctrl_value_to_sym_internal(cptr,~0,value, | |
2303 | buf+bcnt, | |
2304 | sizeof(buf)-bcnt,&ccnt); | |
2305 | bcnt += ccnt; | |
2306 | bcnt += scnprintf(buf+bcnt,sizeof(buf)-bcnt," <%s>", | |
2307 | get_ctrl_typename(cptr->info->type)); | |
2308 | pvr2_trace(PVR2_TRACE_CTL, | |
2309 | "/*--TRACE_COMMIT--*/ %.*s", | |
2310 | bcnt,buf); | |
2311 | } | |
2312 | ||
2313 | if (!commit_flag) { | |
2314 | /* Nothing has changed */ | |
2315 | return 0; | |
2316 | } | |
2317 | ||
681c7399 MI |
2318 | hdw->state_pipeline_config = 0; |
2319 | trace_stbit("state_pipeline_config",hdw->state_pipeline_config); | |
2320 | pvr2_hdw_state_sched(hdw); | |
2321 | ||
2322 | return !0; | |
2323 | } | |
2324 | ||
2325 | ||
2326 | /* Perform all operations needed to commit all control changes. This must | |
2327 | be performed in synchronization with the pipeline state and is thus | |
2328 | expected to be called as part of the driver's worker thread. Return | |
2329 | true if commit successful, otherwise return false to indicate that | |
2330 | commit isn't possible at this time. */ | |
2331 | static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw) | |
2332 | { | |
2333 | unsigned int idx; | |
2334 | struct pvr2_ctrl *cptr; | |
2335 | int disruptive_change; | |
2336 | ||
d855497e MI |
2337 | /* When video standard changes, reset the hres and vres values - |
2338 | but if the user has pending changes there, then let the changes | |
2339 | take priority. */ | |
2340 | if (hdw->std_dirty) { | |
2341 | /* Rewrite the vertical resolution to be appropriate to the | |
2342 | video standard that has been selected. */ | |
2343 | int nvres; | |
2344 | if (hdw->std_mask_cur & V4L2_STD_525_60) { | |
2345 | nvres = 480; | |
2346 | } else { | |
2347 | nvres = 576; | |
2348 | } | |
2349 | if (nvres != hdw->res_ver_val) { | |
2350 | hdw->res_ver_val = nvres; | |
2351 | hdw->res_ver_dirty = !0; | |
2352 | } | |
d855497e MI |
2353 | } |
2354 | ||
681c7399 MI |
2355 | /* If any of the below has changed, then we can't do the update |
2356 | while the pipeline is running. Pipeline must be paused first | |
2357 | and decoder -> encoder connection be made quiescent before we | |
2358 | can proceed. */ | |
2359 | disruptive_change = | |
2360 | (hdw->std_dirty || | |
2361 | hdw->enc_unsafe_stale || | |
2362 | hdw->srate_dirty || | |
2363 | hdw->res_ver_dirty || | |
2364 | hdw->res_hor_dirty || | |
2365 | hdw->input_dirty || | |
2366 | (hdw->active_stream_type != hdw->desired_stream_type)); | |
2367 | if (disruptive_change && !hdw->state_pipeline_idle) { | |
2368 | /* Pipeline is not idle; we can't proceed. Arrange to | |
2369 | cause pipeline to stop so that we can try this again | |
2370 | later.... */ | |
2371 | hdw->state_pipeline_pause = !0; | |
2372 | return 0; | |
275b2e28 PK |
2373 | } |
2374 | ||
b30d2441 MI |
2375 | if (hdw->srate_dirty) { |
2376 | /* Write new sample rate into control structure since | |
2377 | * the master copy is stale. We must track srate | |
2378 | * separate from the mpeg control structure because | |
2379 | * other logic also uses this value. */ | |
2380 | struct v4l2_ext_controls cs; | |
2381 | struct v4l2_ext_control c1; | |
2382 | memset(&cs,0,sizeof(cs)); | |
2383 | memset(&c1,0,sizeof(c1)); | |
2384 | cs.controls = &c1; | |
2385 | cs.count = 1; | |
2386 | c1.id = V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ; | |
2387 | c1.value = hdw->srate_val; | |
01f1e44f | 2388 | cx2341x_ext_ctrls(&hdw->enc_ctl_state, 0, &cs,VIDIOC_S_EXT_CTRLS); |
b30d2441 | 2389 | } |
c05c0462 | 2390 | |
d855497e MI |
2391 | /* Scan i2c core at this point - before we clear all the dirty |
2392 | bits. Various parts of the i2c core will notice dirty bits as | |
2393 | appropriate and arrange to broadcast or directly send updates to | |
2394 | the client drivers in order to keep everything in sync */ | |
2395 | pvr2_i2c_core_check_stale(hdw); | |
2396 | ||
c05c0462 | 2397 | for (idx = 0; idx < hdw->control_cnt; idx++) { |
d855497e MI |
2398 | cptr = hdw->controls + idx; |
2399 | if (!cptr->info->clear_dirty) continue; | |
2400 | cptr->info->clear_dirty(cptr); | |
2401 | } | |
2402 | ||
681c7399 MI |
2403 | if (hdw->active_stream_type != hdw->desired_stream_type) { |
2404 | /* Handle any side effects of stream config here */ | |
2405 | hdw->active_stream_type = hdw->desired_stream_type; | |
2406 | } | |
2407 | ||
d855497e MI |
2408 | /* Now execute i2c core update */ |
2409 | pvr2_i2c_core_sync(hdw); | |
2410 | ||
681c7399 MI |
2411 | if (hdw->state_encoder_run) { |
2412 | /* If encoder isn't running, then this will get worked out | |
2413 | later when we start the encoder. */ | |
2414 | if (pvr2_encoder_adjust(hdw) < 0) return !0; | |
2415 | } | |
d855497e | 2416 | |
681c7399 MI |
2417 | hdw->state_pipeline_config = !0; |
2418 | trace_stbit("state_pipeline_config",hdw->state_pipeline_config); | |
2419 | return !0; | |
d855497e MI |
2420 | } |
2421 | ||
2422 | ||
2423 | int pvr2_hdw_commit_ctl(struct pvr2_hdw *hdw) | |
2424 | { | |
681c7399 MI |
2425 | int fl; |
2426 | LOCK_TAKE(hdw->big_lock); | |
2427 | fl = pvr2_hdw_commit_setup(hdw); | |
2428 | LOCK_GIVE(hdw->big_lock); | |
2429 | if (!fl) return 0; | |
2430 | return pvr2_hdw_wait(hdw,0); | |
2431 | } | |
2432 | ||
2433 | ||
2434 | static void pvr2_hdw_worker_i2c(struct work_struct *work) | |
2435 | { | |
2436 | struct pvr2_hdw *hdw = container_of(work,struct pvr2_hdw,worki2csync); | |
d855497e | 2437 | LOCK_TAKE(hdw->big_lock); do { |
681c7399 | 2438 | pvr2_i2c_core_sync(hdw); |
d855497e | 2439 | } while (0); LOCK_GIVE(hdw->big_lock); |
d855497e MI |
2440 | } |
2441 | ||
2442 | ||
681c7399 | 2443 | static void pvr2_hdw_worker_poll(struct work_struct *work) |
d855497e | 2444 | { |
681c7399 MI |
2445 | int fl = 0; |
2446 | struct pvr2_hdw *hdw = container_of(work,struct pvr2_hdw,workpoll); | |
d855497e | 2447 | LOCK_TAKE(hdw->big_lock); do { |
681c7399 | 2448 | fl = pvr2_hdw_state_eval(hdw); |
d855497e | 2449 | } while (0); LOCK_GIVE(hdw->big_lock); |
681c7399 MI |
2450 | if (fl && hdw->state_func) { |
2451 | hdw->state_func(hdw->state_data); | |
2452 | } | |
d855497e MI |
2453 | } |
2454 | ||
2455 | ||
681c7399 | 2456 | static void pvr2_hdw_worker_init(struct work_struct *work) |
d855497e | 2457 | { |
681c7399 | 2458 | struct pvr2_hdw *hdw = container_of(work,struct pvr2_hdw,workinit); |
d855497e | 2459 | LOCK_TAKE(hdw->big_lock); do { |
681c7399 | 2460 | pvr2_hdw_setup(hdw); |
d855497e MI |
2461 | } while (0); LOCK_GIVE(hdw->big_lock); |
2462 | } | |
2463 | ||
2464 | ||
681c7399 | 2465 | static int pvr2_hdw_wait(struct pvr2_hdw *hdw,int state) |
d855497e | 2466 | { |
681c7399 MI |
2467 | return wait_event_interruptible( |
2468 | hdw->state_wait_data, | |
2469 | (hdw->state_stale == 0) && | |
2470 | (!state || (hdw->master_state != state))); | |
2471 | } | |
2472 | ||
2473 | ||
2474 | void pvr2_hdw_set_state_callback(struct pvr2_hdw *hdw, | |
2475 | void (*callback_func)(void *), | |
2476 | void *callback_data) | |
2477 | { | |
2478 | LOCK_TAKE(hdw->big_lock); do { | |
2479 | hdw->state_data = callback_data; | |
2480 | hdw->state_func = callback_func; | |
2481 | } while (0); LOCK_GIVE(hdw->big_lock); | |
d855497e MI |
2482 | } |
2483 | ||
681c7399 | 2484 | |
d855497e MI |
2485 | /* Return name for this driver instance */ |
2486 | const char *pvr2_hdw_get_driver_name(struct pvr2_hdw *hdw) | |
2487 | { | |
2488 | return hdw->name; | |
2489 | } | |
2490 | ||
2491 | ||
78a47101 MI |
2492 | const char *pvr2_hdw_get_desc(struct pvr2_hdw *hdw) |
2493 | { | |
2494 | return hdw->hdw_desc->description; | |
2495 | } | |
2496 | ||
2497 | ||
2498 | const char *pvr2_hdw_get_type(struct pvr2_hdw *hdw) | |
2499 | { | |
2500 | return hdw->hdw_desc->shortname; | |
2501 | } | |
2502 | ||
2503 | ||
d855497e MI |
2504 | int pvr2_hdw_is_hsm(struct pvr2_hdw *hdw) |
2505 | { | |
2506 | int result; | |
2507 | LOCK_TAKE(hdw->ctl_lock); do { | |
8d364363 | 2508 | hdw->cmd_buffer[0] = FX2CMD_GET_USB_SPEED; |
d855497e MI |
2509 | result = pvr2_send_request(hdw, |
2510 | hdw->cmd_buffer,1, | |
2511 | hdw->cmd_buffer,1); | |
2512 | if (result < 0) break; | |
2513 | result = (hdw->cmd_buffer[0] != 0); | |
2514 | } while(0); LOCK_GIVE(hdw->ctl_lock); | |
2515 | return result; | |
2516 | } | |
2517 | ||
2518 | ||
18103c57 MI |
2519 | /* Execute poll of tuner status */ |
2520 | void pvr2_hdw_execute_tuner_poll(struct pvr2_hdw *hdw) | |
d855497e | 2521 | { |
d855497e | 2522 | LOCK_TAKE(hdw->big_lock); do { |
18103c57 | 2523 | pvr2_i2c_core_status_poll(hdw); |
d855497e | 2524 | } while (0); LOCK_GIVE(hdw->big_lock); |
18103c57 MI |
2525 | } |
2526 | ||
2527 | ||
2528 | /* Return information about the tuner */ | |
2529 | int pvr2_hdw_get_tuner_status(struct pvr2_hdw *hdw,struct v4l2_tuner *vtp) | |
2530 | { | |
2531 | LOCK_TAKE(hdw->big_lock); do { | |
2532 | if (hdw->tuner_signal_stale) { | |
2533 | pvr2_i2c_core_status_poll(hdw); | |
2534 | } | |
2535 | memcpy(vtp,&hdw->tuner_signal_info,sizeof(struct v4l2_tuner)); | |
2536 | } while (0); LOCK_GIVE(hdw->big_lock); | |
2537 | return 0; | |
d855497e MI |
2538 | } |
2539 | ||
2540 | ||
2541 | /* Get handle to video output stream */ | |
2542 | struct pvr2_stream *pvr2_hdw_get_video_stream(struct pvr2_hdw *hp) | |
2543 | { | |
2544 | return hp->vid_stream; | |
2545 | } | |
2546 | ||
2547 | ||
2548 | void pvr2_hdw_trigger_module_log(struct pvr2_hdw *hdw) | |
2549 | { | |
4f1a3e5b | 2550 | int nr = pvr2_hdw_get_unit_number(hdw); |
d855497e MI |
2551 | LOCK_TAKE(hdw->big_lock); do { |
2552 | hdw->log_requested = !0; | |
4f1a3e5b | 2553 | printk(KERN_INFO "pvrusb2: ================= START STATUS CARD #%d =================\n", nr); |
d855497e MI |
2554 | pvr2_i2c_core_check_stale(hdw); |
2555 | hdw->log_requested = 0; | |
2556 | pvr2_i2c_core_sync(hdw); | |
b30d2441 | 2557 | pvr2_trace(PVR2_TRACE_INFO,"cx2341x config:"); |
99eb44fe | 2558 | cx2341x_log_status(&hdw->enc_ctl_state, "pvrusb2"); |
681c7399 | 2559 | pvr2_hdw_state_log_state(hdw); |
4f1a3e5b | 2560 | printk(KERN_INFO "pvrusb2: ================== END STATUS CARD #%d ==================\n", nr); |
d855497e MI |
2561 | } while (0); LOCK_GIVE(hdw->big_lock); |
2562 | } | |
2563 | ||
4db666cc MI |
2564 | |
2565 | /* Grab EEPROM contents, needed for direct method. */ | |
2566 | #define EEPROM_SIZE 8192 | |
2567 | #define trace_eeprom(...) pvr2_trace(PVR2_TRACE_EEPROM,__VA_ARGS__) | |
2568 | static u8 *pvr2_full_eeprom_fetch(struct pvr2_hdw *hdw) | |
2569 | { | |
2570 | struct i2c_msg msg[2]; | |
2571 | u8 *eeprom; | |
2572 | u8 iadd[2]; | |
2573 | u8 addr; | |
2574 | u16 eepromSize; | |
2575 | unsigned int offs; | |
2576 | int ret; | |
2577 | int mode16 = 0; | |
2578 | unsigned pcnt,tcnt; | |
2579 | eeprom = kmalloc(EEPROM_SIZE,GFP_KERNEL); | |
2580 | if (!eeprom) { | |
2581 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
2582 | "Failed to allocate memory" | |
2583 | " required to read eeprom"); | |
2584 | return NULL; | |
2585 | } | |
2586 | ||
2587 | trace_eeprom("Value for eeprom addr from controller was 0x%x", | |
2588 | hdw->eeprom_addr); | |
2589 | addr = hdw->eeprom_addr; | |
2590 | /* Seems that if the high bit is set, then the *real* eeprom | |
2591 | address is shifted right now bit position (noticed this in | |
2592 | newer PVR USB2 hardware) */ | |
2593 | if (addr & 0x80) addr >>= 1; | |
2594 | ||
2595 | /* FX2 documentation states that a 16bit-addressed eeprom is | |
2596 | expected if the I2C address is an odd number (yeah, this is | |
2597 | strange but it's what they do) */ | |
2598 | mode16 = (addr & 1); | |
2599 | eepromSize = (mode16 ? EEPROM_SIZE : 256); | |
2600 | trace_eeprom("Examining %d byte eeprom at location 0x%x" | |
2601 | " using %d bit addressing",eepromSize,addr, | |
2602 | mode16 ? 16 : 8); | |
2603 | ||
2604 | msg[0].addr = addr; | |
2605 | msg[0].flags = 0; | |
2606 | msg[0].len = mode16 ? 2 : 1; | |
2607 | msg[0].buf = iadd; | |
2608 | msg[1].addr = addr; | |
2609 | msg[1].flags = I2C_M_RD; | |
2610 | ||
2611 | /* We have to do the actual eeprom data fetch ourselves, because | |
2612 | (1) we're only fetching part of the eeprom, and (2) if we were | |
2613 | getting the whole thing our I2C driver can't grab it in one | |
2614 | pass - which is what tveeprom is otherwise going to attempt */ | |
2615 | memset(eeprom,0,EEPROM_SIZE); | |
2616 | for (tcnt = 0; tcnt < EEPROM_SIZE; tcnt += pcnt) { | |
2617 | pcnt = 16; | |
2618 | if (pcnt + tcnt > EEPROM_SIZE) pcnt = EEPROM_SIZE-tcnt; | |
2619 | offs = tcnt + (eepromSize - EEPROM_SIZE); | |
2620 | if (mode16) { | |
2621 | iadd[0] = offs >> 8; | |
2622 | iadd[1] = offs; | |
2623 | } else { | |
2624 | iadd[0] = offs; | |
2625 | } | |
2626 | msg[1].len = pcnt; | |
2627 | msg[1].buf = eeprom+tcnt; | |
2628 | if ((ret = i2c_transfer(&hdw->i2c_adap, | |
2629 | msg,ARRAY_SIZE(msg))) != 2) { | |
2630 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
2631 | "eeprom fetch set offs err=%d",ret); | |
2632 | kfree(eeprom); | |
2633 | return NULL; | |
2634 | } | |
2635 | } | |
2636 | return eeprom; | |
2637 | } | |
2638 | ||
2639 | ||
2640 | void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw, | |
2641 | int prom_flag, | |
2642 | int enable_flag) | |
d855497e MI |
2643 | { |
2644 | int ret; | |
2645 | u16 address; | |
2646 | unsigned int pipe; | |
2647 | LOCK_TAKE(hdw->big_lock); do { | |
5fa1247a | 2648 | if ((hdw->fw_buffer == NULL) == !enable_flag) break; |
d855497e MI |
2649 | |
2650 | if (!enable_flag) { | |
2651 | pvr2_trace(PVR2_TRACE_FIRMWARE, | |
2652 | "Cleaning up after CPU firmware fetch"); | |
2653 | kfree(hdw->fw_buffer); | |
a0fd1cb1 | 2654 | hdw->fw_buffer = NULL; |
d855497e | 2655 | hdw->fw_size = 0; |
4db666cc MI |
2656 | if (hdw->fw_cpu_flag) { |
2657 | /* Now release the CPU. It will disconnect | |
2658 | and reconnect later. */ | |
2659 | pvr2_hdw_cpureset_assert(hdw,0); | |
2660 | } | |
d855497e MI |
2661 | break; |
2662 | } | |
2663 | ||
4db666cc MI |
2664 | hdw->fw_cpu_flag = (prom_flag == 0); |
2665 | if (hdw->fw_cpu_flag) { | |
2666 | pvr2_trace(PVR2_TRACE_FIRMWARE, | |
2667 | "Preparing to suck out CPU firmware"); | |
2668 | hdw->fw_size = 0x2000; | |
2669 | hdw->fw_buffer = kzalloc(hdw->fw_size,GFP_KERNEL); | |
2670 | if (!hdw->fw_buffer) { | |
2671 | hdw->fw_size = 0; | |
2672 | break; | |
2673 | } | |
d855497e | 2674 | |
4db666cc MI |
2675 | /* We have to hold the CPU during firmware upload. */ |
2676 | pvr2_hdw_cpureset_assert(hdw,1); | |
d855497e | 2677 | |
4db666cc MI |
2678 | /* download the firmware from address 0000-1fff in 2048 |
2679 | (=0x800) bytes chunk. */ | |
d855497e | 2680 | |
4db666cc MI |
2681 | pvr2_trace(PVR2_TRACE_FIRMWARE, |
2682 | "Grabbing CPU firmware"); | |
2683 | pipe = usb_rcvctrlpipe(hdw->usb_dev, 0); | |
2684 | for(address = 0; address < hdw->fw_size; | |
2685 | address += 0x800) { | |
2686 | ret = usb_control_msg(hdw->usb_dev,pipe, | |
2687 | 0xa0,0xc0, | |
2688 | address,0, | |
2689 | hdw->fw_buffer+address, | |
2690 | 0x800,HZ); | |
2691 | if (ret < 0) break; | |
2692 | } | |
d855497e | 2693 | |
4db666cc MI |
2694 | pvr2_trace(PVR2_TRACE_FIRMWARE, |
2695 | "Done grabbing CPU firmware"); | |
2696 | } else { | |
2697 | pvr2_trace(PVR2_TRACE_FIRMWARE, | |
2698 | "Sucking down EEPROM contents"); | |
2699 | hdw->fw_buffer = pvr2_full_eeprom_fetch(hdw); | |
2700 | if (!hdw->fw_buffer) { | |
2701 | pvr2_trace(PVR2_TRACE_FIRMWARE, | |
2702 | "EEPROM content suck failed."); | |
2703 | break; | |
2704 | } | |
2705 | hdw->fw_size = EEPROM_SIZE; | |
2706 | pvr2_trace(PVR2_TRACE_FIRMWARE, | |
2707 | "Done sucking down EEPROM contents"); | |
2708 | } | |
d855497e MI |
2709 | |
2710 | } while (0); LOCK_GIVE(hdw->big_lock); | |
2711 | } | |
2712 | ||
2713 | ||
2714 | /* Return true if we're in a mode for retrieval CPU firmware */ | |
2715 | int pvr2_hdw_cpufw_get_enabled(struct pvr2_hdw *hdw) | |
2716 | { | |
5fa1247a | 2717 | return hdw->fw_buffer != NULL; |
d855497e MI |
2718 | } |
2719 | ||
2720 | ||
2721 | int pvr2_hdw_cpufw_get(struct pvr2_hdw *hdw,unsigned int offs, | |
2722 | char *buf,unsigned int cnt) | |
2723 | { | |
2724 | int ret = -EINVAL; | |
2725 | LOCK_TAKE(hdw->big_lock); do { | |
2726 | if (!buf) break; | |
2727 | if (!cnt) break; | |
2728 | ||
2729 | if (!hdw->fw_buffer) { | |
2730 | ret = -EIO; | |
2731 | break; | |
2732 | } | |
2733 | ||
2734 | if (offs >= hdw->fw_size) { | |
2735 | pvr2_trace(PVR2_TRACE_FIRMWARE, | |
2736 | "Read firmware data offs=%d EOF", | |
2737 | offs); | |
2738 | ret = 0; | |
2739 | break; | |
2740 | } | |
2741 | ||
2742 | if (offs + cnt > hdw->fw_size) cnt = hdw->fw_size - offs; | |
2743 | ||
2744 | memcpy(buf,hdw->fw_buffer+offs,cnt); | |
2745 | ||
2746 | pvr2_trace(PVR2_TRACE_FIRMWARE, | |
2747 | "Read firmware data offs=%d cnt=%d", | |
2748 | offs,cnt); | |
2749 | ret = cnt; | |
2750 | } while (0); LOCK_GIVE(hdw->big_lock); | |
2751 | ||
2752 | return ret; | |
2753 | } | |
2754 | ||
2755 | ||
fd5a75fe | 2756 | int pvr2_hdw_v4l_get_minor_number(struct pvr2_hdw *hdw, |
8079384e | 2757 | enum pvr2_v4l_type index) |
d855497e | 2758 | { |
fd5a75fe | 2759 | switch (index) { |
8079384e MI |
2760 | case pvr2_v4l_type_video: return hdw->v4l_minor_number_video; |
2761 | case pvr2_v4l_type_vbi: return hdw->v4l_minor_number_vbi; | |
2762 | case pvr2_v4l_type_radio: return hdw->v4l_minor_number_radio; | |
fd5a75fe MI |
2763 | default: return -1; |
2764 | } | |
d855497e MI |
2765 | } |
2766 | ||
2767 | ||
2fdf3d9c | 2768 | /* Store a v4l minor device number */ |
fd5a75fe | 2769 | void pvr2_hdw_v4l_store_minor_number(struct pvr2_hdw *hdw, |
8079384e | 2770 | enum pvr2_v4l_type index,int v) |
d855497e | 2771 | { |
fd5a75fe | 2772 | switch (index) { |
8079384e MI |
2773 | case pvr2_v4l_type_video: hdw->v4l_minor_number_video = v; |
2774 | case pvr2_v4l_type_vbi: hdw->v4l_minor_number_vbi = v; | |
2775 | case pvr2_v4l_type_radio: hdw->v4l_minor_number_radio = v; | |
fd5a75fe MI |
2776 | default: break; |
2777 | } | |
d855497e MI |
2778 | } |
2779 | ||
2780 | ||
7d12e780 | 2781 | static void pvr2_ctl_write_complete(struct urb *urb) |
d855497e MI |
2782 | { |
2783 | struct pvr2_hdw *hdw = urb->context; | |
2784 | hdw->ctl_write_pend_flag = 0; | |
2785 | if (hdw->ctl_read_pend_flag) return; | |
2786 | complete(&hdw->ctl_done); | |
2787 | } | |
2788 | ||
2789 | ||
7d12e780 | 2790 | static void pvr2_ctl_read_complete(struct urb *urb) |
d855497e MI |
2791 | { |
2792 | struct pvr2_hdw *hdw = urb->context; | |
2793 | hdw->ctl_read_pend_flag = 0; | |
2794 | if (hdw->ctl_write_pend_flag) return; | |
2795 | complete(&hdw->ctl_done); | |
2796 | } | |
2797 | ||
2798 | ||
2799 | static void pvr2_ctl_timeout(unsigned long data) | |
2800 | { | |
2801 | struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; | |
2802 | if (hdw->ctl_write_pend_flag || hdw->ctl_read_pend_flag) { | |
2803 | hdw->ctl_timeout_flag = !0; | |
5e55d2ce | 2804 | if (hdw->ctl_write_pend_flag) |
d855497e | 2805 | usb_unlink_urb(hdw->ctl_write_urb); |
5e55d2ce | 2806 | if (hdw->ctl_read_pend_flag) |
d855497e | 2807 | usb_unlink_urb(hdw->ctl_read_urb); |
d855497e MI |
2808 | } |
2809 | } | |
2810 | ||
2811 | ||
e61b6fc5 MI |
2812 | /* Issue a command and get a response from the device. This extended |
2813 | version includes a probe flag (which if set means that device errors | |
2814 | should not be logged or treated as fatal) and a timeout in jiffies. | |
2815 | This can be used to non-lethally probe the health of endpoint 1. */ | |
07e337ee AB |
2816 | static int pvr2_send_request_ex(struct pvr2_hdw *hdw, |
2817 | unsigned int timeout,int probe_fl, | |
2818 | void *write_data,unsigned int write_len, | |
2819 | void *read_data,unsigned int read_len) | |
d855497e MI |
2820 | { |
2821 | unsigned int idx; | |
2822 | int status = 0; | |
2823 | struct timer_list timer; | |
2824 | if (!hdw->ctl_lock_held) { | |
2825 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
2826 | "Attempted to execute control transfer" | |
2827 | " without lock!!"); | |
2828 | return -EDEADLK; | |
2829 | } | |
681c7399 | 2830 | if (!hdw->flag_ok && !probe_fl) { |
d855497e MI |
2831 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, |
2832 | "Attempted to execute control transfer" | |
2833 | " when device not ok"); | |
2834 | return -EIO; | |
2835 | } | |
2836 | if (!(hdw->ctl_read_urb && hdw->ctl_write_urb)) { | |
2837 | if (!probe_fl) { | |
2838 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
2839 | "Attempted to execute control transfer" | |
2840 | " when USB is disconnected"); | |
2841 | } | |
2842 | return -ENOTTY; | |
2843 | } | |
2844 | ||
2845 | /* Ensure that we have sane parameters */ | |
2846 | if (!write_data) write_len = 0; | |
2847 | if (!read_data) read_len = 0; | |
2848 | if (write_len > PVR2_CTL_BUFFSIZE) { | |
2849 | pvr2_trace( | |
2850 | PVR2_TRACE_ERROR_LEGS, | |
2851 | "Attempted to execute %d byte" | |
2852 | " control-write transfer (limit=%d)", | |
2853 | write_len,PVR2_CTL_BUFFSIZE); | |
2854 | return -EINVAL; | |
2855 | } | |
2856 | if (read_len > PVR2_CTL_BUFFSIZE) { | |
2857 | pvr2_trace( | |
2858 | PVR2_TRACE_ERROR_LEGS, | |
2859 | "Attempted to execute %d byte" | |
2860 | " control-read transfer (limit=%d)", | |
2861 | write_len,PVR2_CTL_BUFFSIZE); | |
2862 | return -EINVAL; | |
2863 | } | |
2864 | if ((!write_len) && (!read_len)) { | |
2865 | pvr2_trace( | |
2866 | PVR2_TRACE_ERROR_LEGS, | |
2867 | "Attempted to execute null control transfer?"); | |
2868 | return -EINVAL; | |
2869 | } | |
2870 | ||
2871 | ||
2872 | hdw->cmd_debug_state = 1; | |
2873 | if (write_len) { | |
2874 | hdw->cmd_debug_code = ((unsigned char *)write_data)[0]; | |
2875 | } else { | |
2876 | hdw->cmd_debug_code = 0; | |
2877 | } | |
2878 | hdw->cmd_debug_write_len = write_len; | |
2879 | hdw->cmd_debug_read_len = read_len; | |
2880 | ||
2881 | /* Initialize common stuff */ | |
2882 | init_completion(&hdw->ctl_done); | |
2883 | hdw->ctl_timeout_flag = 0; | |
2884 | hdw->ctl_write_pend_flag = 0; | |
2885 | hdw->ctl_read_pend_flag = 0; | |
2886 | init_timer(&timer); | |
2887 | timer.expires = jiffies + timeout; | |
2888 | timer.data = (unsigned long)hdw; | |
2889 | timer.function = pvr2_ctl_timeout; | |
2890 | ||
2891 | if (write_len) { | |
2892 | hdw->cmd_debug_state = 2; | |
2893 | /* Transfer write data to internal buffer */ | |
2894 | for (idx = 0; idx < write_len; idx++) { | |
2895 | hdw->ctl_write_buffer[idx] = | |
2896 | ((unsigned char *)write_data)[idx]; | |
2897 | } | |
2898 | /* Initiate a write request */ | |
2899 | usb_fill_bulk_urb(hdw->ctl_write_urb, | |
2900 | hdw->usb_dev, | |
2901 | usb_sndbulkpipe(hdw->usb_dev, | |
2902 | PVR2_CTL_WRITE_ENDPOINT), | |
2903 | hdw->ctl_write_buffer, | |
2904 | write_len, | |
2905 | pvr2_ctl_write_complete, | |
2906 | hdw); | |
2907 | hdw->ctl_write_urb->actual_length = 0; | |
2908 | hdw->ctl_write_pend_flag = !0; | |
2909 | status = usb_submit_urb(hdw->ctl_write_urb,GFP_KERNEL); | |
2910 | if (status < 0) { | |
2911 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
2912 | "Failed to submit write-control" | |
2913 | " URB status=%d",status); | |
2914 | hdw->ctl_write_pend_flag = 0; | |
2915 | goto done; | |
2916 | } | |
2917 | } | |
2918 | ||
2919 | if (read_len) { | |
2920 | hdw->cmd_debug_state = 3; | |
2921 | memset(hdw->ctl_read_buffer,0x43,read_len); | |
2922 | /* Initiate a read request */ | |
2923 | usb_fill_bulk_urb(hdw->ctl_read_urb, | |
2924 | hdw->usb_dev, | |
2925 | usb_rcvbulkpipe(hdw->usb_dev, | |
2926 | PVR2_CTL_READ_ENDPOINT), | |
2927 | hdw->ctl_read_buffer, | |
2928 | read_len, | |
2929 | pvr2_ctl_read_complete, | |
2930 | hdw); | |
2931 | hdw->ctl_read_urb->actual_length = 0; | |
2932 | hdw->ctl_read_pend_flag = !0; | |
2933 | status = usb_submit_urb(hdw->ctl_read_urb,GFP_KERNEL); | |
2934 | if (status < 0) { | |
2935 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
2936 | "Failed to submit read-control" | |
2937 | " URB status=%d",status); | |
2938 | hdw->ctl_read_pend_flag = 0; | |
2939 | goto done; | |
2940 | } | |
2941 | } | |
2942 | ||
2943 | /* Start timer */ | |
2944 | add_timer(&timer); | |
2945 | ||
2946 | /* Now wait for all I/O to complete */ | |
2947 | hdw->cmd_debug_state = 4; | |
2948 | while (hdw->ctl_write_pend_flag || hdw->ctl_read_pend_flag) { | |
2949 | wait_for_completion(&hdw->ctl_done); | |
2950 | } | |
2951 | hdw->cmd_debug_state = 5; | |
2952 | ||
2953 | /* Stop timer */ | |
2954 | del_timer_sync(&timer); | |
2955 | ||
2956 | hdw->cmd_debug_state = 6; | |
2957 | status = 0; | |
2958 | ||
2959 | if (hdw->ctl_timeout_flag) { | |
2960 | status = -ETIMEDOUT; | |
2961 | if (!probe_fl) { | |
2962 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
2963 | "Timed out control-write"); | |
2964 | } | |
2965 | goto done; | |
2966 | } | |
2967 | ||
2968 | if (write_len) { | |
2969 | /* Validate results of write request */ | |
2970 | if ((hdw->ctl_write_urb->status != 0) && | |
2971 | (hdw->ctl_write_urb->status != -ENOENT) && | |
2972 | (hdw->ctl_write_urb->status != -ESHUTDOWN) && | |
2973 | (hdw->ctl_write_urb->status != -ECONNRESET)) { | |
2974 | /* USB subsystem is reporting some kind of failure | |
2975 | on the write */ | |
2976 | status = hdw->ctl_write_urb->status; | |
2977 | if (!probe_fl) { | |
2978 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
2979 | "control-write URB failure," | |
2980 | " status=%d", | |
2981 | status); | |
2982 | } | |
2983 | goto done; | |
2984 | } | |
2985 | if (hdw->ctl_write_urb->actual_length < write_len) { | |
2986 | /* Failed to write enough data */ | |
2987 | status = -EIO; | |
2988 | if (!probe_fl) { | |
2989 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
2990 | "control-write URB short," | |
2991 | " expected=%d got=%d", | |
2992 | write_len, | |
2993 | hdw->ctl_write_urb->actual_length); | |
2994 | } | |
2995 | goto done; | |
2996 | } | |
2997 | } | |
2998 | if (read_len) { | |
2999 | /* Validate results of read request */ | |
3000 | if ((hdw->ctl_read_urb->status != 0) && | |
3001 | (hdw->ctl_read_urb->status != -ENOENT) && | |
3002 | (hdw->ctl_read_urb->status != -ESHUTDOWN) && | |
3003 | (hdw->ctl_read_urb->status != -ECONNRESET)) { | |
3004 | /* USB subsystem is reporting some kind of failure | |
3005 | on the read */ | |
3006 | status = hdw->ctl_read_urb->status; | |
3007 | if (!probe_fl) { | |
3008 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
3009 | "control-read URB failure," | |
3010 | " status=%d", | |
3011 | status); | |
3012 | } | |
3013 | goto done; | |
3014 | } | |
3015 | if (hdw->ctl_read_urb->actual_length < read_len) { | |
3016 | /* Failed to read enough data */ | |
3017 | status = -EIO; | |
3018 | if (!probe_fl) { | |
3019 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
3020 | "control-read URB short," | |
3021 | " expected=%d got=%d", | |
3022 | read_len, | |
3023 | hdw->ctl_read_urb->actual_length); | |
3024 | } | |
3025 | goto done; | |
3026 | } | |
3027 | /* Transfer retrieved data out from internal buffer */ | |
3028 | for (idx = 0; idx < read_len; idx++) { | |
3029 | ((unsigned char *)read_data)[idx] = | |
3030 | hdw->ctl_read_buffer[idx]; | |
3031 | } | |
3032 | } | |
3033 | ||
3034 | done: | |
3035 | ||
3036 | hdw->cmd_debug_state = 0; | |
3037 | if ((status < 0) && (!probe_fl)) { | |
681c7399 | 3038 | pvr2_hdw_render_useless(hdw); |
d855497e MI |
3039 | } |
3040 | return status; | |
3041 | } | |
3042 | ||
3043 | ||
3044 | int pvr2_send_request(struct pvr2_hdw *hdw, | |
3045 | void *write_data,unsigned int write_len, | |
3046 | void *read_data,unsigned int read_len) | |
3047 | { | |
3048 | return pvr2_send_request_ex(hdw,HZ*4,0, | |
3049 | write_data,write_len, | |
3050 | read_data,read_len); | |
3051 | } | |
3052 | ||
3053 | int pvr2_write_register(struct pvr2_hdw *hdw, u16 reg, u32 data) | |
3054 | { | |
3055 | int ret; | |
3056 | ||
3057 | LOCK_TAKE(hdw->ctl_lock); | |
3058 | ||
8d364363 | 3059 | hdw->cmd_buffer[0] = FX2CMD_REG_WRITE; /* write register prefix */ |
d855497e MI |
3060 | PVR2_DECOMPOSE_LE(hdw->cmd_buffer,1,data); |
3061 | hdw->cmd_buffer[5] = 0; | |
3062 | hdw->cmd_buffer[6] = (reg >> 8) & 0xff; | |
3063 | hdw->cmd_buffer[7] = reg & 0xff; | |
3064 | ||
3065 | ||
3066 | ret = pvr2_send_request(hdw, hdw->cmd_buffer, 8, hdw->cmd_buffer, 0); | |
3067 | ||
3068 | LOCK_GIVE(hdw->ctl_lock); | |
3069 | ||
3070 | return ret; | |
3071 | } | |
3072 | ||
3073 | ||
07e337ee | 3074 | static int pvr2_read_register(struct pvr2_hdw *hdw, u16 reg, u32 *data) |
d855497e MI |
3075 | { |
3076 | int ret = 0; | |
3077 | ||
3078 | LOCK_TAKE(hdw->ctl_lock); | |
3079 | ||
8d364363 | 3080 | hdw->cmd_buffer[0] = FX2CMD_REG_READ; /* read register prefix */ |
d855497e MI |
3081 | hdw->cmd_buffer[1] = 0; |
3082 | hdw->cmd_buffer[2] = 0; | |
3083 | hdw->cmd_buffer[3] = 0; | |
3084 | hdw->cmd_buffer[4] = 0; | |
3085 | hdw->cmd_buffer[5] = 0; | |
3086 | hdw->cmd_buffer[6] = (reg >> 8) & 0xff; | |
3087 | hdw->cmd_buffer[7] = reg & 0xff; | |
3088 | ||
3089 | ret |= pvr2_send_request(hdw, hdw->cmd_buffer, 8, hdw->cmd_buffer, 4); | |
3090 | *data = PVR2_COMPOSE_LE(hdw->cmd_buffer,0); | |
3091 | ||
3092 | LOCK_GIVE(hdw->ctl_lock); | |
3093 | ||
3094 | return ret; | |
3095 | } | |
3096 | ||
3097 | ||
681c7399 | 3098 | void pvr2_hdw_render_useless(struct pvr2_hdw *hdw) |
d855497e MI |
3099 | { |
3100 | if (!hdw->flag_ok) return; | |
681c7399 MI |
3101 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, |
3102 | "Device being rendered inoperable"); | |
d855497e | 3103 | if (hdw->vid_stream) { |
a0fd1cb1 | 3104 | pvr2_stream_setup(hdw->vid_stream,NULL,0,0); |
d855497e | 3105 | } |
681c7399 MI |
3106 | hdw->flag_ok = 0; |
3107 | trace_stbit("flag_ok",hdw->flag_ok); | |
3108 | pvr2_hdw_state_sched(hdw); | |
d855497e MI |
3109 | } |
3110 | ||
3111 | ||
3112 | void pvr2_hdw_device_reset(struct pvr2_hdw *hdw) | |
3113 | { | |
3114 | int ret; | |
3115 | pvr2_trace(PVR2_TRACE_INIT,"Performing a device reset..."); | |
a0fd1cb1 | 3116 | ret = usb_lock_device_for_reset(hdw->usb_dev,NULL); |
d855497e MI |
3117 | if (ret == 1) { |
3118 | ret = usb_reset_device(hdw->usb_dev); | |
3119 | usb_unlock_device(hdw->usb_dev); | |
3120 | } else { | |
3121 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
3122 | "Failed to lock USB device ret=%d",ret); | |
3123 | } | |
3124 | if (init_pause_msec) { | |
3125 | pvr2_trace(PVR2_TRACE_INFO, | |
3126 | "Waiting %u msec for hardware to settle", | |
3127 | init_pause_msec); | |
3128 | msleep(init_pause_msec); | |
3129 | } | |
3130 | ||
3131 | } | |
3132 | ||
3133 | ||
3134 | void pvr2_hdw_cpureset_assert(struct pvr2_hdw *hdw,int val) | |
3135 | { | |
3136 | char da[1]; | |
3137 | unsigned int pipe; | |
3138 | int ret; | |
3139 | ||
3140 | if (!hdw->usb_dev) return; | |
3141 | ||
3142 | pvr2_trace(PVR2_TRACE_INIT,"cpureset_assert(%d)",val); | |
3143 | ||
3144 | da[0] = val ? 0x01 : 0x00; | |
3145 | ||
3146 | /* Write the CPUCS register on the 8051. The lsb of the register | |
3147 | is the reset bit; a 1 asserts reset while a 0 clears it. */ | |
3148 | pipe = usb_sndctrlpipe(hdw->usb_dev, 0); | |
3149 | ret = usb_control_msg(hdw->usb_dev,pipe,0xa0,0x40,0xe600,0,da,1,HZ); | |
3150 | if (ret < 0) { | |
3151 | pvr2_trace(PVR2_TRACE_ERROR_LEGS, | |
3152 | "cpureset_assert(%d) error=%d",val,ret); | |
3153 | pvr2_hdw_render_useless(hdw); | |
3154 | } | |
3155 | } | |
3156 | ||
3157 | ||
3158 | int pvr2_hdw_cmd_deep_reset(struct pvr2_hdw *hdw) | |
3159 | { | |
3160 | int status; | |
3161 | LOCK_TAKE(hdw->ctl_lock); do { | |
3162 | pvr2_trace(PVR2_TRACE_INIT,"Requesting uproc hard reset"); | |
8d364363 | 3163 | hdw->cmd_buffer[0] = FX2CMD_DEEP_RESET; |
a0fd1cb1 | 3164 | status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); |
d855497e MI |
3165 | } while (0); LOCK_GIVE(hdw->ctl_lock); |
3166 | return status; | |
3167 | } | |
3168 | ||
3169 | ||
3170 | int pvr2_hdw_cmd_powerup(struct pvr2_hdw *hdw) | |
3171 | { | |
3172 | int status; | |
3173 | LOCK_TAKE(hdw->ctl_lock); do { | |
3174 | pvr2_trace(PVR2_TRACE_INIT,"Requesting powerup"); | |
8d364363 | 3175 | hdw->cmd_buffer[0] = FX2CMD_POWER_ON; |
a0fd1cb1 | 3176 | status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); |
d855497e MI |
3177 | } while (0); LOCK_GIVE(hdw->ctl_lock); |
3178 | return status; | |
3179 | } | |
3180 | ||
3181 | ||
3182 | int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *hdw) | |
3183 | { | |
3184 | if (!hdw->decoder_ctrl) { | |
3185 | pvr2_trace(PVR2_TRACE_INIT, | |
3186 | "Unable to reset decoder: nothing attached"); | |
3187 | return -ENOTTY; | |
3188 | } | |
3189 | ||
3190 | if (!hdw->decoder_ctrl->force_reset) { | |
3191 | pvr2_trace(PVR2_TRACE_INIT, | |
3192 | "Unable to reset decoder: not implemented"); | |
3193 | return -ENOTTY; | |
3194 | } | |
3195 | ||
3196 | pvr2_trace(PVR2_TRACE_INIT, | |
3197 | "Requesting decoder reset"); | |
3198 | hdw->decoder_ctrl->force_reset(hdw->decoder_ctrl->ctxt); | |
3199 | return 0; | |
3200 | } | |
3201 | ||
3202 | ||
e61b6fc5 | 3203 | /* Stop / start video stream transport */ |
07e337ee | 3204 | static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl) |
d855497e MI |
3205 | { |
3206 | int status; | |
3207 | LOCK_TAKE(hdw->ctl_lock); do { | |
8d364363 MK |
3208 | hdw->cmd_buffer[0] = |
3209 | (runFl ? FX2CMD_STREAMING_ON : FX2CMD_STREAMING_OFF); | |
a0fd1cb1 | 3210 | status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0); |
d855497e | 3211 | } while (0); LOCK_GIVE(hdw->ctl_lock); |
d855497e MI |
3212 | return status; |
3213 | } | |
3214 | ||
3215 | ||
681c7399 MI |
3216 | /* Evaluate whether or not state_encoder_ok can change */ |
3217 | static int state_eval_encoder_ok(struct pvr2_hdw *hdw) | |
3218 | { | |
3219 | if (hdw->state_encoder_ok) return 0; | |
3220 | if (hdw->flag_tripped) return 0; | |
3221 | if (hdw->state_encoder_run) return 0; | |
3222 | if (hdw->state_encoder_config) return 0; | |
3223 | if (hdw->state_decoder_run) return 0; | |
3224 | if (hdw->state_usbstream_run) return 0; | |
3225 | if (pvr2_upload_firmware2(hdw) < 0) { | |
3226 | hdw->flag_tripped = !0; | |
3227 | trace_stbit("flag_tripped",hdw->flag_tripped); | |
3228 | return !0; | |
3229 | } | |
3230 | hdw->state_encoder_ok = !0; | |
3231 | trace_stbit("state_encoder_ok",hdw->state_encoder_ok); | |
3232 | return !0; | |
3233 | } | |
3234 | ||
3235 | ||
3236 | /* Evaluate whether or not state_encoder_config can change */ | |
3237 | static int state_eval_encoder_config(struct pvr2_hdw *hdw) | |
3238 | { | |
3239 | if (hdw->state_encoder_config) { | |
3240 | if (hdw->state_encoder_ok) { | |
3241 | if (hdw->state_pipeline_req && | |
3242 | !hdw->state_pipeline_pause) return 0; | |
3243 | } | |
3244 | hdw->state_encoder_config = 0; | |
3245 | hdw->state_encoder_waitok = 0; | |
3246 | trace_stbit("state_encoder_waitok",hdw->state_encoder_waitok); | |
3247 | /* paranoia - solve race if timer just completed */ | |
3248 | del_timer_sync(&hdw->encoder_wait_timer); | |
3249 | } else { | |
3250 | if (!hdw->state_encoder_ok || | |
3251 | !hdw->state_pipeline_idle || | |
3252 | hdw->state_pipeline_pause || | |
3253 | !hdw->state_pipeline_req || | |
3254 | !hdw->state_pipeline_config) { | |
3255 | /* We must reset the enforced wait interval if | |
3256 | anything has happened that might have disturbed | |
3257 | the encoder. This should be a rare case. */ | |
3258 | if (timer_pending(&hdw->encoder_wait_timer)) { | |
3259 | del_timer_sync(&hdw->encoder_wait_timer); | |
3260 | } | |
3261 | if (hdw->state_encoder_waitok) { | |
3262 | /* Must clear the state - therefore we did | |
3263 | something to a state bit and must also | |
3264 | return true. */ | |
3265 | hdw->state_encoder_waitok = 0; | |
3266 | trace_stbit("state_encoder_waitok", | |
3267 | hdw->state_encoder_waitok); | |
3268 | return !0; | |
3269 | } | |
3270 | return 0; | |
3271 | } | |
3272 | if (!hdw->state_encoder_waitok) { | |
3273 | if (!timer_pending(&hdw->encoder_wait_timer)) { | |
3274 | /* waitok flag wasn't set and timer isn't | |
3275 | running. Check flag once more to avoid | |
3276 | a race then start the timer. This is | |
3277 | the point when we measure out a minimal | |
3278 | quiet interval before doing something to | |
3279 | the encoder. */ | |
3280 | if (!hdw->state_encoder_waitok) { | |
3281 | hdw->encoder_wait_timer.expires = | |
3282 | jiffies + (HZ*50/1000); | |
3283 | add_timer(&hdw->encoder_wait_timer); | |
3284 | } | |
3285 | } | |
3286 | /* We can't continue until we know we have been | |
3287 | quiet for the interval measured by this | |
3288 | timer. */ | |
3289 | return 0; | |
3290 | } | |
3291 | pvr2_encoder_configure(hdw); | |
3292 | if (hdw->state_encoder_ok) hdw->state_encoder_config = !0; | |
3293 | } | |
3294 | trace_stbit("state_encoder_config",hdw->state_encoder_config); | |
3295 | return !0; | |
3296 | } | |
3297 | ||
3298 | ||
3299 | /* Evaluate whether or not state_encoder_run can change */ | |
3300 | static int state_eval_encoder_run(struct pvr2_hdw *hdw) | |
3301 | { | |
3302 | if (hdw->state_encoder_run) { | |
3303 | if (hdw->state_encoder_ok) { | |
3304 | if (hdw->state_decoder_run) return 0; | |
3305 | if (pvr2_encoder_stop(hdw) < 0) return !0; | |
3306 | } | |
3307 | hdw->state_encoder_run = 0; | |
3308 | } else { | |
3309 | if (!hdw->state_encoder_ok) return 0; | |
3310 | if (!hdw->state_decoder_run) return 0; | |
3311 | if (pvr2_encoder_start(hdw) < 0) return !0; | |
3312 | hdw->state_encoder_run = !0; | |
3313 | } | |
3314 | trace_stbit("state_encoder_run",hdw->state_encoder_run); | |
3315 | return !0; | |
3316 | } | |
3317 | ||
3318 | ||
3319 | /* Timeout function for quiescent timer. */ | |
3320 | static void pvr2_hdw_quiescent_timeout(unsigned long data) | |
3321 | { | |
3322 | struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; | |
3323 | hdw->state_decoder_quiescent = !0; | |
3324 | trace_stbit("state_decoder_quiescent",hdw->state_decoder_quiescent); | |
3325 | hdw->state_stale = !0; | |
3326 | queue_work(hdw->workqueue,&hdw->workpoll); | |
3327 | } | |
3328 | ||
3329 | ||
3330 | /* Timeout function for encoder wait timer. */ | |
3331 | static void pvr2_hdw_encoder_wait_timeout(unsigned long data) | |
3332 | { | |
3333 | struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; | |
3334 | hdw->state_encoder_waitok = !0; | |
3335 | trace_stbit("state_encoder_waitok",hdw->state_encoder_waitok); | |
3336 | hdw->state_stale = !0; | |
3337 | queue_work(hdw->workqueue,&hdw->workpoll); | |
3338 | } | |
3339 | ||
3340 | ||
3341 | /* Evaluate whether or not state_decoder_run can change */ | |
3342 | static int state_eval_decoder_run(struct pvr2_hdw *hdw) | |
3343 | { | |
3344 | if (hdw->state_decoder_run) { | |
3345 | if (hdw->state_encoder_ok) { | |
3346 | if (hdw->state_pipeline_req && | |
3347 | !hdw->state_pipeline_pause) return 0; | |
3348 | } | |
3349 | if (!hdw->flag_decoder_missed) { | |
3350 | pvr2_decoder_enable(hdw,0); | |
3351 | } | |
3352 | hdw->state_decoder_quiescent = 0; | |
3353 | hdw->state_decoder_run = 0; | |
3354 | /* paranoia - solve race if timer just completed */ | |
3355 | del_timer_sync(&hdw->quiescent_timer); | |
3356 | } else { | |
3357 | if (!hdw->state_decoder_quiescent) { | |
3358 | if (!timer_pending(&hdw->quiescent_timer)) { | |
3359 | /* We don't do something about the | |
3360 | quiescent timer until right here because | |
3361 | we also want to catch cases where the | |
3362 | decoder was already not running (like | |
3363 | after initialization) as opposed to | |
3364 | knowing that we had just stopped it. | |
3365 | The second flag check is here to cover a | |
3366 | race - the timer could have run and set | |
3367 | this flag just after the previous check | |
3368 | but before we did the pending check. */ | |
3369 | if (!hdw->state_decoder_quiescent) { | |
3370 | hdw->quiescent_timer.expires = | |
3371 | jiffies + (HZ*50/1000); | |
3372 | add_timer(&hdw->quiescent_timer); | |
3373 | } | |
3374 | } | |
3375 | /* Don't allow decoder to start again until it has | |
3376 | been quiesced first. This little detail should | |
3377 | hopefully further stabilize the encoder. */ | |
3378 | return 0; | |
3379 | } | |
3380 | if (!hdw->state_pipeline_req || | |
3381 | hdw->state_pipeline_pause || | |
3382 | !hdw->state_pipeline_config || | |
3383 | !hdw->state_encoder_config || | |
3384 | !hdw->state_encoder_ok) return 0; | |
3385 | del_timer_sync(&hdw->quiescent_timer); | |
3386 | if (hdw->flag_decoder_missed) return 0; | |
3387 | if (pvr2_decoder_enable(hdw,!0) < 0) return 0; | |
3388 | hdw->state_decoder_quiescent = 0; | |
3389 | hdw->state_decoder_run = !0; | |
3390 | } | |
3391 | trace_stbit("state_decoder_quiescent",hdw->state_decoder_quiescent); | |
3392 | trace_stbit("state_decoder_run",hdw->state_decoder_run); | |
3393 | return !0; | |
3394 | } | |
3395 | ||
3396 | ||
3397 | /* Evaluate whether or not state_usbstream_run can change */ | |
3398 | static int state_eval_usbstream_run(struct pvr2_hdw *hdw) | |
3399 | { | |
3400 | if (hdw->state_usbstream_run) { | |
3401 | if (hdw->state_encoder_ok) { | |
3402 | if (hdw->state_encoder_run) return 0; | |
3403 | } | |
3404 | pvr2_hdw_cmd_usbstream(hdw,0); | |
3405 | hdw->state_usbstream_run = 0; | |
3406 | } else { | |
3407 | if (!hdw->state_encoder_ok || | |
3408 | !hdw->state_encoder_run || | |
3409 | !hdw->state_pipeline_req || | |
3410 | hdw->state_pipeline_pause) return 0; | |
3411 | if (pvr2_hdw_cmd_usbstream(hdw,!0) < 0) return 0; | |
3412 | hdw->state_usbstream_run = !0; | |
3413 | } | |
3414 | trace_stbit("state_usbstream_run",hdw->state_usbstream_run); | |
3415 | return !0; | |
3416 | } | |
3417 | ||
3418 | ||
3419 | /* Attempt to configure pipeline, if needed */ | |
3420 | static int state_eval_pipeline_config(struct pvr2_hdw *hdw) | |
3421 | { | |
3422 | if (hdw->state_pipeline_config || | |
3423 | hdw->state_pipeline_pause) return 0; | |
3424 | pvr2_hdw_commit_execute(hdw); | |
3425 | return !0; | |
3426 | } | |
3427 | ||
3428 | ||
3429 | /* Update pipeline idle and pipeline pause tracking states based on other | |
3430 | inputs. This must be called whenever the other relevant inputs have | |
3431 | changed. */ | |
3432 | static int state_update_pipeline_state(struct pvr2_hdw *hdw) | |
3433 | { | |
3434 | unsigned int st; | |
3435 | int updatedFl = 0; | |
3436 | /* Update pipeline state */ | |
3437 | st = !(hdw->state_encoder_run || | |
3438 | hdw->state_decoder_run || | |
3439 | hdw->state_usbstream_run || | |
3440 | (!hdw->state_decoder_quiescent)); | |
3441 | if (!st != !hdw->state_pipeline_idle) { | |
3442 | hdw->state_pipeline_idle = st; | |
3443 | updatedFl = !0; | |
3444 | } | |
3445 | if (hdw->state_pipeline_idle && hdw->state_pipeline_pause) { | |
3446 | hdw->state_pipeline_pause = 0; | |
3447 | updatedFl = !0; | |
3448 | } | |
3449 | return updatedFl; | |
3450 | } | |
3451 | ||
3452 | ||
3453 | typedef int (*state_eval_func)(struct pvr2_hdw *); | |
3454 | ||
3455 | /* Set of functions to be run to evaluate various states in the driver. */ | |
3456 | const static state_eval_func eval_funcs[] = { | |
3457 | state_eval_pipeline_config, | |
3458 | state_eval_encoder_ok, | |
3459 | state_eval_encoder_config, | |
3460 | state_eval_decoder_run, | |
3461 | state_eval_encoder_run, | |
3462 | state_eval_usbstream_run, | |
3463 | }; | |
3464 | ||
3465 | ||
3466 | /* Process various states and return true if we did anything interesting. */ | |
3467 | static int pvr2_hdw_state_update(struct pvr2_hdw *hdw) | |
3468 | { | |
3469 | unsigned int i; | |
3470 | int state_updated = 0; | |
3471 | int check_flag; | |
3472 | ||
3473 | if (!hdw->state_stale) return 0; | |
3474 | if ((hdw->fw1_state != FW1_STATE_OK) || | |
3475 | !hdw->flag_ok) { | |
3476 | hdw->state_stale = 0; | |
3477 | return !0; | |
3478 | } | |
3479 | /* This loop is the heart of the entire driver. It keeps trying to | |
3480 | evaluate various bits of driver state until nothing changes for | |
3481 | one full iteration. Each "bit of state" tracks some global | |
3482 | aspect of the driver, e.g. whether decoder should run, if | |
3483 | pipeline is configured, usb streaming is on, etc. We separately | |
3484 | evaluate each of those questions based on other driver state to | |
3485 | arrive at the correct running configuration. */ | |
3486 | do { | |
3487 | check_flag = 0; | |
3488 | state_update_pipeline_state(hdw); | |
3489 | /* Iterate over each bit of state */ | |
3490 | for (i = 0; (i<ARRAY_SIZE(eval_funcs)) && hdw->flag_ok; i++) { | |
3491 | if ((*eval_funcs[i])(hdw)) { | |
3492 | check_flag = !0; | |
3493 | state_updated = !0; | |
3494 | state_update_pipeline_state(hdw); | |
3495 | } | |
3496 | } | |
3497 | } while (check_flag && hdw->flag_ok); | |
3498 | hdw->state_stale = 0; | |
3499 | trace_stbit("state_stale",hdw->state_stale); | |
3500 | return state_updated; | |
3501 | } | |
3502 | ||
3503 | ||
3504 | static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which, | |
3505 | char *buf,unsigned int acnt) | |
3506 | { | |
3507 | switch (which) { | |
3508 | case 0: | |
3509 | return scnprintf( | |
3510 | buf,acnt, | |
3511 | "driver:%s%s%s%s%s", | |
3512 | (hdw->flag_ok ? " <ok>" : " <fail>"), | |
3513 | (hdw->flag_init_ok ? " <init>" : " <uninitialized>"), | |
3514 | (hdw->flag_disconnected ? " <disconnected>" : | |
3515 | " <connected>"), | |
3516 | (hdw->flag_tripped ? " <tripped>" : ""), | |
3517 | (hdw->flag_decoder_missed ? " <no decoder>" : "")); | |
3518 | case 1: | |
3519 | return scnprintf( | |
3520 | buf,acnt, | |
3521 | "pipeline:%s%s%s%s", | |
3522 | (hdw->state_pipeline_idle ? " <idle>" : ""), | |
3523 | (hdw->state_pipeline_config ? | |
3524 | " <configok>" : " <stale>"), | |
3525 | (hdw->state_pipeline_req ? " <req>" : ""), | |
3526 | (hdw->state_pipeline_pause ? " <pause>" : "")); | |
3527 | case 2: | |
3528 | return scnprintf( | |
3529 | buf,acnt, | |
3530 | "worker:%s%s%s%s%s%s", | |
3531 | (hdw->state_decoder_run ? | |
3532 | " <decode:run>" : | |
3533 | (hdw->state_decoder_quiescent ? | |
3534 | "" : " <decode:stop>")), | |
3535 | (hdw->state_decoder_quiescent ? | |
3536 | " <decode:quiescent>" : ""), | |
3537 | (hdw->state_encoder_ok ? | |
3538 | "" : " <encode:init>"), | |
3539 | (hdw->state_encoder_run ? | |
3540 | " <encode:run>" : " <encode:stop>"), | |
3541 | (hdw->state_encoder_config ? | |
3542 | " <encode:configok>" : | |
3543 | (hdw->state_encoder_waitok ? | |
3544 | "" : " <encode:wait>")), | |
3545 | (hdw->state_usbstream_run ? | |
3546 | " <usb:run>" : " <usb:stop>")); | |
3547 | break; | |
3548 | case 3: | |
3549 | return scnprintf( | |
3550 | buf,acnt, | |
3551 | "state: %s", | |
3552 | pvr2_get_state_name(hdw->master_state)); | |
3553 | break; | |
3554 | default: break; | |
3555 | } | |
3556 | return 0; | |
3557 | } | |
3558 | ||
3559 | ||
3560 | unsigned int pvr2_hdw_state_report(struct pvr2_hdw *hdw, | |
3561 | char *buf,unsigned int acnt) | |
3562 | { | |
3563 | unsigned int bcnt,ccnt,idx; | |
3564 | bcnt = 0; | |
3565 | LOCK_TAKE(hdw->big_lock); | |
3566 | for (idx = 0; ; idx++) { | |
3567 | ccnt = pvr2_hdw_report_unlocked(hdw,idx,buf,acnt); | |
3568 | if (!ccnt) break; | |
3569 | bcnt += ccnt; acnt -= ccnt; buf += ccnt; | |
3570 | if (!acnt) break; | |
3571 | buf[0] = '\n'; ccnt = 1; | |
3572 | bcnt += ccnt; acnt -= ccnt; buf += ccnt; | |
3573 | } | |
3574 | LOCK_GIVE(hdw->big_lock); | |
3575 | return bcnt; | |
3576 | } | |
3577 | ||
3578 | ||
3579 | static void pvr2_hdw_state_log_state(struct pvr2_hdw *hdw) | |
3580 | { | |
3581 | char buf[128]; | |
3582 | unsigned int idx,ccnt; | |
3583 | ||
3584 | for (idx = 0; ; idx++) { | |
3585 | ccnt = pvr2_hdw_report_unlocked(hdw,idx,buf,sizeof(buf)); | |
3586 | if (!ccnt) break; | |
3587 | printk(KERN_INFO "%s %.*s\n",hdw->name,ccnt,buf); | |
3588 | } | |
3589 | } | |
3590 | ||
3591 | ||
3592 | /* Evaluate and update the driver's current state, taking various actions | |
3593 | as appropriate for the update. */ | |
3594 | static int pvr2_hdw_state_eval(struct pvr2_hdw *hdw) | |
3595 | { | |
3596 | unsigned int st; | |
3597 | int state_updated = 0; | |
3598 | int callback_flag = 0; | |
3599 | ||
3600 | pvr2_trace(PVR2_TRACE_STBITS, | |
3601 | "Drive state check START"); | |
3602 | if (pvrusb2_debug & PVR2_TRACE_STBITS) { | |
3603 | pvr2_hdw_state_log_state(hdw); | |
3604 | } | |
3605 | ||
3606 | /* Process all state and get back over disposition */ | |
3607 | state_updated = pvr2_hdw_state_update(hdw); | |
3608 | ||
3609 | /* Update master state based upon all other states. */ | |
3610 | if (!hdw->flag_ok) { | |
3611 | st = PVR2_STATE_DEAD; | |
3612 | } else if (hdw->fw1_state != FW1_STATE_OK) { | |
3613 | st = PVR2_STATE_COLD; | |
3614 | } else if (!hdw->state_encoder_ok) { | |
3615 | st = PVR2_STATE_WARM; | |
3616 | } else if (hdw->flag_tripped || hdw->flag_decoder_missed) { | |
3617 | st = PVR2_STATE_ERROR; | |
3618 | } else if (hdw->state_encoder_run && | |
3619 | hdw->state_decoder_run && | |
3620 | hdw->state_usbstream_run) { | |
3621 | st = PVR2_STATE_RUN; | |
3622 | } else { | |
3623 | st = PVR2_STATE_READY; | |
3624 | } | |
3625 | if (hdw->master_state != st) { | |
3626 | pvr2_trace(PVR2_TRACE_STATE, | |
3627 | "Device state change from %s to %s", | |
3628 | pvr2_get_state_name(hdw->master_state), | |
3629 | pvr2_get_state_name(st)); | |
3630 | hdw->master_state = st; | |
3631 | state_updated = !0; | |
3632 | callback_flag = !0; | |
3633 | } | |
3634 | if (state_updated) { | |
3635 | /* Trigger anyone waiting on any state changes here. */ | |
3636 | wake_up(&hdw->state_wait_data); | |
3637 | } | |
3638 | ||
3639 | if (pvrusb2_debug & PVR2_TRACE_STBITS) { | |
3640 | pvr2_hdw_state_log_state(hdw); | |
3641 | } | |
3642 | pvr2_trace(PVR2_TRACE_STBITS, | |
3643 | "Drive state check DONE callback=%d",callback_flag); | |
3644 | ||
3645 | return callback_flag; | |
3646 | } | |
3647 | ||
3648 | ||
3649 | /* Cause kernel thread to check / update driver state */ | |
3650 | static void pvr2_hdw_state_sched(struct pvr2_hdw *hdw) | |
3651 | { | |
3652 | if (hdw->state_stale) return; | |
3653 | hdw->state_stale = !0; | |
3654 | trace_stbit("state_stale",hdw->state_stale); | |
3655 | queue_work(hdw->workqueue,&hdw->workpoll); | |
3656 | } | |
3657 | ||
3658 | ||
3659 | void pvr2_hdw_get_debug_info_unlocked(const struct pvr2_hdw *hdw, | |
3660 | struct pvr2_hdw_debug_info *ptr) | |
d855497e MI |
3661 | { |
3662 | ptr->big_lock_held = hdw->big_lock_held; | |
3663 | ptr->ctl_lock_held = hdw->ctl_lock_held; | |
d855497e MI |
3664 | ptr->flag_disconnected = hdw->flag_disconnected; |
3665 | ptr->flag_init_ok = hdw->flag_init_ok; | |
681c7399 MI |
3666 | ptr->flag_ok = hdw->flag_ok; |
3667 | ptr->fw1_state = hdw->fw1_state; | |
3668 | ptr->flag_decoder_missed = hdw->flag_decoder_missed; | |
3669 | ptr->flag_tripped = hdw->flag_tripped; | |
3670 | ptr->state_encoder_ok = hdw->state_encoder_ok; | |
3671 | ptr->state_encoder_run = hdw->state_encoder_run; | |
3672 | ptr->state_decoder_run = hdw->state_decoder_run; | |
3673 | ptr->state_usbstream_run = hdw->state_usbstream_run; | |
3674 | ptr->state_decoder_quiescent = hdw->state_decoder_quiescent; | |
3675 | ptr->state_pipeline_config = hdw->state_pipeline_config; | |
3676 | ptr->state_pipeline_req = hdw->state_pipeline_req; | |
3677 | ptr->state_pipeline_pause = hdw->state_pipeline_pause; | |
3678 | ptr->state_pipeline_idle = hdw->state_pipeline_idle; | |
d855497e MI |
3679 | ptr->cmd_debug_state = hdw->cmd_debug_state; |
3680 | ptr->cmd_code = hdw->cmd_debug_code; | |
3681 | ptr->cmd_debug_write_len = hdw->cmd_debug_write_len; | |
3682 | ptr->cmd_debug_read_len = hdw->cmd_debug_read_len; | |
3683 | ptr->cmd_debug_timeout = hdw->ctl_timeout_flag; | |
3684 | ptr->cmd_debug_write_pend = hdw->ctl_write_pend_flag; | |
3685 | ptr->cmd_debug_read_pend = hdw->ctl_read_pend_flag; | |
3686 | ptr->cmd_debug_rstatus = hdw->ctl_read_urb->status; | |
3687 | ptr->cmd_debug_wstatus = hdw->ctl_read_urb->status; | |
3688 | } | |
3689 | ||
3690 | ||
681c7399 MI |
3691 | void pvr2_hdw_get_debug_info_locked(struct pvr2_hdw *hdw, |
3692 | struct pvr2_hdw_debug_info *ptr) | |
3693 | { | |
3694 | LOCK_TAKE(hdw->ctl_lock); do { | |
3695 | pvr2_hdw_get_debug_info_unlocked(hdw,ptr); | |
3696 | } while(0); LOCK_GIVE(hdw->ctl_lock); | |
3697 | } | |
3698 | ||
3699 | ||
d855497e MI |
3700 | int pvr2_hdw_gpio_get_dir(struct pvr2_hdw *hdw,u32 *dp) |
3701 | { | |
3702 | return pvr2_read_register(hdw,PVR2_GPIO_DIR,dp); | |
3703 | } | |
3704 | ||
3705 | ||
3706 | int pvr2_hdw_gpio_get_out(struct pvr2_hdw *hdw,u32 *dp) | |
3707 | { | |
3708 | return pvr2_read_register(hdw,PVR2_GPIO_OUT,dp); | |
3709 | } | |
3710 | ||
3711 | ||
3712 | int pvr2_hdw_gpio_get_in(struct pvr2_hdw *hdw,u32 *dp) | |
3713 | { | |
3714 | return pvr2_read_register(hdw,PVR2_GPIO_IN,dp); | |
3715 | } | |
3716 | ||
3717 | ||
3718 | int pvr2_hdw_gpio_chg_dir(struct pvr2_hdw *hdw,u32 msk,u32 val) | |
3719 | { | |
3720 | u32 cval,nval; | |
3721 | int ret; | |
3722 | if (~msk) { | |
3723 | ret = pvr2_read_register(hdw,PVR2_GPIO_DIR,&cval); | |
3724 | if (ret) return ret; | |
3725 | nval = (cval & ~msk) | (val & msk); | |
3726 | pvr2_trace(PVR2_TRACE_GPIO, | |
3727 | "GPIO direction changing 0x%x:0x%x" | |
3728 | " from 0x%x to 0x%x", | |
3729 | msk,val,cval,nval); | |
3730 | } else { | |
3731 | nval = val; | |
3732 | pvr2_trace(PVR2_TRACE_GPIO, | |
3733 | "GPIO direction changing to 0x%x",nval); | |
3734 | } | |
3735 | return pvr2_write_register(hdw,PVR2_GPIO_DIR,nval); | |
3736 | } | |
3737 | ||
3738 | ||
3739 | int pvr2_hdw_gpio_chg_out(struct pvr2_hdw *hdw,u32 msk,u32 val) | |
3740 | { | |
3741 | u32 cval,nval; | |
3742 | int ret; | |
3743 | if (~msk) { | |
3744 | ret = pvr2_read_register(hdw,PVR2_GPIO_OUT,&cval); | |
3745 | if (ret) return ret; | |
3746 | nval = (cval & ~msk) | (val & msk); | |
3747 | pvr2_trace(PVR2_TRACE_GPIO, | |
3748 | "GPIO output changing 0x%x:0x%x from 0x%x to 0x%x", | |
3749 | msk,val,cval,nval); | |
3750 | } else { | |
3751 | nval = val; | |
3752 | pvr2_trace(PVR2_TRACE_GPIO, | |
3753 | "GPIO output changing to 0x%x",nval); | |
3754 | } | |
3755 | return pvr2_write_register(hdw,PVR2_GPIO_OUT,nval); | |
3756 | } | |
3757 | ||
3758 | ||
e61b6fc5 | 3759 | /* Find I2C address of eeprom */ |
07e337ee | 3760 | static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw) |
d855497e MI |
3761 | { |
3762 | int result; | |
3763 | LOCK_TAKE(hdw->ctl_lock); do { | |
8d364363 | 3764 | hdw->cmd_buffer[0] = FX2CMD_GET_EEPROM_ADDR; |
d855497e MI |
3765 | result = pvr2_send_request(hdw, |
3766 | hdw->cmd_buffer,1, | |
3767 | hdw->cmd_buffer,1); | |
3768 | if (result < 0) break; | |
3769 | result = hdw->cmd_buffer[0]; | |
3770 | } while(0); LOCK_GIVE(hdw->ctl_lock); | |
3771 | return result; | |
3772 | } | |
3773 | ||
3774 | ||
32ffa9ae | 3775 | int pvr2_hdw_register_access(struct pvr2_hdw *hdw, |
f3d092b8 HV |
3776 | u32 match_type, u32 match_chip, u64 reg_id, |
3777 | int setFl,u64 *val_ptr) | |
32ffa9ae MI |
3778 | { |
3779 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
32ffa9ae MI |
3780 | struct pvr2_i2c_client *cp; |
3781 | struct v4l2_register req; | |
6d98816f MI |
3782 | int stat = 0; |
3783 | int okFl = 0; | |
32ffa9ae | 3784 | |
201f5c9c MI |
3785 | if (!capable(CAP_SYS_ADMIN)) return -EPERM; |
3786 | ||
f3d092b8 HV |
3787 | req.match_type = match_type; |
3788 | req.match_chip = match_chip; | |
32ffa9ae MI |
3789 | req.reg = reg_id; |
3790 | if (setFl) req.val = *val_ptr; | |
3791 | mutex_lock(&hdw->i2c_list_lock); do { | |
e77e2c2f | 3792 | list_for_each_entry(cp, &hdw->i2c_clients, list) { |
8481a750 MI |
3793 | if (!v4l2_chip_match_i2c_client( |
3794 | cp->client, | |
3795 | req.match_type, req.match_chip)) { | |
f3d092b8 HV |
3796 | continue; |
3797 | } | |
32ffa9ae | 3798 | stat = pvr2_i2c_client_cmd( |
52ebc763 TP |
3799 | cp,(setFl ? VIDIOC_DBG_S_REGISTER : |
3800 | VIDIOC_DBG_G_REGISTER),&req); | |
32ffa9ae | 3801 | if (!setFl) *val_ptr = req.val; |
6d98816f MI |
3802 | okFl = !0; |
3803 | break; | |
32ffa9ae MI |
3804 | } |
3805 | } while (0); mutex_unlock(&hdw->i2c_list_lock); | |
6d98816f MI |
3806 | if (okFl) { |
3807 | return stat; | |
3808 | } | |
32ffa9ae MI |
3809 | return -EINVAL; |
3810 | #else | |
3811 | return -ENOSYS; | |
3812 | #endif | |
3813 | } | |
3814 | ||
3815 | ||
d855497e MI |
3816 | /* |
3817 | Stuff for Emacs to see, in order to encourage consistent editing style: | |
3818 | *** Local Variables: *** | |
3819 | *** mode: c *** | |
3820 | *** fill-column: 75 *** | |
3821 | *** tab-width: 8 *** | |
3822 | *** c-basic-offset: 8 *** | |
3823 | *** End: *** | |
3824 | */ |