4 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/errno.h>
22 #include <linux/string.h>
23 #include <linux/slab.h>
24 #include <linux/firmware.h>
25 #include <linux/videodev2.h>
26 #include <media/v4l2-common.h>
27 #include <media/tuner.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-eeprom.h"
34 #include "pvrusb2-hdw-internal.h"
35 #include "pvrusb2-encoder.h"
36 #include "pvrusb2-debug.h"
37 #include "pvrusb2-fx2-cmd.h"
38 #include "pvrusb2-wm8775.h"
39 #include "pvrusb2-video-v4l.h"
40 #include "pvrusb2-cx2584x-v4l.h"
41 #include "pvrusb2-cs53l32a.h"
42 #include "pvrusb2-audio.h"
44 #define TV_MIN_FREQ 55250000L
45 #define TV_MAX_FREQ 850000000L
47 /* This defines a minimum interval that the decoder must remain quiet
48 before we are allowed to start it running. */
49 #define TIME_MSEC_DECODER_WAIT 50
51 /* This defines a minimum interval that the encoder must remain quiet
52 before we are allowed to configure it. I had this originally set to
53 50msec, but Martin Dauskardt <martin.dauskardt@gmx.de> reports that
54 things work better when it's set to 100msec. */
55 #define TIME_MSEC_ENCODER_WAIT 100
57 /* This defines the minimum interval that the encoder must successfully run
58 before we consider that the encoder has run at least once since its
59 firmware has been loaded. This measurement is in important for cases
60 where we can't do something until we know that the encoder has been run
62 #define TIME_MSEC_ENCODER_OK 250
64 static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = NULL};
65 static DEFINE_MUTEX(pvr2_unit_mtx);
68 static int procreload;
69 static int tuner[PVR_NUM] = { [0 ... PVR_NUM-1] = -1 };
70 static int tolerance[PVR_NUM] = { [0 ... PVR_NUM-1] = 0 };
71 static int video_std[PVR_NUM] = { [0 ... PVR_NUM-1] = 0 };
72 static int init_pause_msec;
74 module_param(ctlchg, int, S_IRUGO|S_IWUSR);
75 MODULE_PARM_DESC(ctlchg, "0=optimize ctl change 1=always accept new ctl value");
76 module_param(init_pause_msec, int, S_IRUGO|S_IWUSR);
77 MODULE_PARM_DESC(init_pause_msec, "hardware initialization settling delay");
78 module_param(procreload, int, S_IRUGO|S_IWUSR);
79 MODULE_PARM_DESC(procreload,
80 "Attempt init failure recovery with firmware reload");
81 module_param_array(tuner, int, NULL, 0444);
82 MODULE_PARM_DESC(tuner,"specify installed tuner type");
83 module_param_array(video_std, int, NULL, 0444);
84 MODULE_PARM_DESC(video_std,"specify initial video standard");
85 module_param_array(tolerance, int, NULL, 0444);
86 MODULE_PARM_DESC(tolerance,"specify stream error tolerance");
88 /* US Broadcast channel 7 (175.25 MHz) */
89 static int default_tv_freq = 175250000L;
90 /* 104.3 MHz, a usable FM station for my area */
91 static int default_radio_freq = 104300000L;
93 module_param_named(tv_freq, default_tv_freq, int, 0444);
94 MODULE_PARM_DESC(tv_freq, "specify initial television frequency");
95 module_param_named(radio_freq, default_radio_freq, int, 0444);
96 MODULE_PARM_DESC(radio_freq, "specify initial radio frequency");
98 #define PVR2_CTL_WRITE_ENDPOINT 0x01
99 #define PVR2_CTL_READ_ENDPOINT 0x81
101 #define PVR2_GPIO_IN 0x9008
102 #define PVR2_GPIO_OUT 0x900c
103 #define PVR2_GPIO_DIR 0x9020
105 #define trace_firmware(...) pvr2_trace(PVR2_TRACE_FIRMWARE,__VA_ARGS__)
107 #define PVR2_FIRMWARE_ENDPOINT 0x02
109 /* size of a firmware chunk */
110 #define FIRMWARE_CHUNK_SIZE 0x2000
112 typedef void (*pvr2_subdev_update_func)(struct pvr2_hdw *,
113 struct v4l2_subdev *);
115 static const pvr2_subdev_update_func pvr2_module_update_functions[] = {
116 [PVR2_CLIENT_ID_WM8775] = pvr2_wm8775_subdev_update,
117 [PVR2_CLIENT_ID_SAA7115] = pvr2_saa7115_subdev_update,
118 [PVR2_CLIENT_ID_MSP3400] = pvr2_msp3400_subdev_update,
119 [PVR2_CLIENT_ID_CX25840] = pvr2_cx25840_subdev_update,
120 [PVR2_CLIENT_ID_CS53L32A] = pvr2_cs53l32a_subdev_update,
123 static const char *module_names[] = {
124 [PVR2_CLIENT_ID_MSP3400] = "msp3400",
125 [PVR2_CLIENT_ID_CX25840] = "cx25840",
126 [PVR2_CLIENT_ID_SAA7115] = "saa7115",
127 [PVR2_CLIENT_ID_TUNER] = "tuner",
128 [PVR2_CLIENT_ID_DEMOD] = "tuner",
129 [PVR2_CLIENT_ID_CS53L32A] = "cs53l32a",
130 [PVR2_CLIENT_ID_WM8775] = "wm8775",
134 static const unsigned char *module_i2c_addresses[] = {
135 [PVR2_CLIENT_ID_TUNER] = "\x60\x61\x62\x63",
136 [PVR2_CLIENT_ID_DEMOD] = "\x43",
137 [PVR2_CLIENT_ID_MSP3400] = "\x40",
138 [PVR2_CLIENT_ID_SAA7115] = "\x21",
139 [PVR2_CLIENT_ID_WM8775] = "\x1b",
140 [PVR2_CLIENT_ID_CX25840] = "\x44",
141 [PVR2_CLIENT_ID_CS53L32A] = "\x11",
145 static const char *ir_scheme_names[] = {
146 [PVR2_IR_SCHEME_NONE] = "none",
147 [PVR2_IR_SCHEME_29XXX] = "29xxx",
148 [PVR2_IR_SCHEME_24XXX] = "24xxx (29xxx emulation)",
149 [PVR2_IR_SCHEME_24XXX_MCE] = "24xxx (MCE device)",
150 [PVR2_IR_SCHEME_ZILOG] = "Zilog",
154 /* Define the list of additional controls we'll dynamically construct based
155 on query of the cx2341x module. */
156 struct pvr2_mpeg_ids {
160 static const struct pvr2_mpeg_ids mpeg_ids[] = {
162 .strid = "audio_layer",
163 .id = V4L2_CID_MPEG_AUDIO_ENCODING,
165 .strid = "audio_bitrate",
166 .id = V4L2_CID_MPEG_AUDIO_L2_BITRATE,
168 /* Already using audio_mode elsewhere :-( */
169 .strid = "mpeg_audio_mode",
170 .id = V4L2_CID_MPEG_AUDIO_MODE,
172 .strid = "mpeg_audio_mode_extension",
173 .id = V4L2_CID_MPEG_AUDIO_MODE_EXTENSION,
175 .strid = "audio_emphasis",
176 .id = V4L2_CID_MPEG_AUDIO_EMPHASIS,
178 .strid = "audio_crc",
179 .id = V4L2_CID_MPEG_AUDIO_CRC,
181 .strid = "video_aspect",
182 .id = V4L2_CID_MPEG_VIDEO_ASPECT,
184 .strid = "video_b_frames",
185 .id = V4L2_CID_MPEG_VIDEO_B_FRAMES,
187 .strid = "video_gop_size",
188 .id = V4L2_CID_MPEG_VIDEO_GOP_SIZE,
190 .strid = "video_gop_closure",
191 .id = V4L2_CID_MPEG_VIDEO_GOP_CLOSURE,
193 .strid = "video_bitrate_mode",
194 .id = V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
196 .strid = "video_bitrate",
197 .id = V4L2_CID_MPEG_VIDEO_BITRATE,
199 .strid = "video_bitrate_peak",
200 .id = V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
202 .strid = "video_temporal_decimation",
203 .id = V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION,
205 .strid = "stream_type",
206 .id = V4L2_CID_MPEG_STREAM_TYPE,
208 .strid = "video_spatial_filter_mode",
209 .id = V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE,
211 .strid = "video_spatial_filter",
212 .id = V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER,
214 .strid = "video_luma_spatial_filter_type",
215 .id = V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE,
217 .strid = "video_chroma_spatial_filter_type",
218 .id = V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE,
220 .strid = "video_temporal_filter_mode",
221 .id = V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE,
223 .strid = "video_temporal_filter",
224 .id = V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER,
226 .strid = "video_median_filter_type",
227 .id = V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE,
229 .strid = "video_luma_median_filter_top",
230 .id = V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP,
232 .strid = "video_luma_median_filter_bottom",
233 .id = V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM,
235 .strid = "video_chroma_median_filter_top",
236 .id = V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP,
238 .strid = "video_chroma_median_filter_bottom",
239 .id = V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM,
242 #define MPEGDEF_COUNT ARRAY_SIZE(mpeg_ids)
245 static const char *control_values_srate[] = {
246 [V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100] = "44.1 kHz",
247 [V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000] = "48 kHz",
248 [V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000] = "32 kHz",
253 static const char *control_values_input[] = {
254 [PVR2_CVAL_INPUT_TV] = "television", /*xawtv needs this name*/
255 [PVR2_CVAL_INPUT_DTV] = "dtv",
256 [PVR2_CVAL_INPUT_RADIO] = "radio",
257 [PVR2_CVAL_INPUT_SVIDEO] = "s-video",
258 [PVR2_CVAL_INPUT_COMPOSITE] = "composite",
262 static const char *control_values_audiomode[] = {
263 [V4L2_TUNER_MODE_MONO] = "Mono",
264 [V4L2_TUNER_MODE_STEREO] = "Stereo",
265 [V4L2_TUNER_MODE_LANG1] = "Lang1",
266 [V4L2_TUNER_MODE_LANG2] = "Lang2",
267 [V4L2_TUNER_MODE_LANG1_LANG2] = "Lang1+Lang2",
271 static const char *control_values_hsm[] = {
272 [PVR2_CVAL_HSM_FAIL] = "Fail",
273 [PVR2_CVAL_HSM_HIGH] = "High",
274 [PVR2_CVAL_HSM_FULL] = "Full",
278 static const char *pvr2_state_names[] = {
279 [PVR2_STATE_NONE] = "none",
280 [PVR2_STATE_DEAD] = "dead",
281 [PVR2_STATE_COLD] = "cold",
282 [PVR2_STATE_WARM] = "warm",
283 [PVR2_STATE_ERROR] = "error",
284 [PVR2_STATE_READY] = "ready",
285 [PVR2_STATE_RUN] = "run",
289 struct pvr2_fx2cmd_descdef {
294 static const struct pvr2_fx2cmd_descdef pvr2_fx2cmd_desc[] = {
295 {FX2CMD_MEM_WRITE_DWORD, "write encoder dword"},
296 {FX2CMD_MEM_READ_DWORD, "read encoder dword"},
297 {FX2CMD_HCW_ZILOG_RESET, "zilog IR reset control"},
298 {FX2CMD_MEM_READ_64BYTES, "read encoder 64bytes"},
299 {FX2CMD_REG_WRITE, "write encoder register"},
300 {FX2CMD_REG_READ, "read encoder register"},
301 {FX2CMD_MEMSEL, "encoder memsel"},
302 {FX2CMD_I2C_WRITE, "i2c write"},
303 {FX2CMD_I2C_READ, "i2c read"},
304 {FX2CMD_GET_USB_SPEED, "get USB speed"},
305 {FX2CMD_STREAMING_ON, "stream on"},
306 {FX2CMD_STREAMING_OFF, "stream off"},
307 {FX2CMD_FWPOST1, "fwpost1"},
308 {FX2CMD_POWER_OFF, "power off"},
309 {FX2CMD_POWER_ON, "power on"},
310 {FX2CMD_DEEP_RESET, "deep reset"},
311 {FX2CMD_GET_EEPROM_ADDR, "get rom addr"},
312 {FX2CMD_GET_IR_CODE, "get IR code"},
313 {FX2CMD_HCW_DEMOD_RESETIN, "hcw demod resetin"},
314 {FX2CMD_HCW_DTV_STREAMING_ON, "hcw dtv stream on"},
315 {FX2CMD_HCW_DTV_STREAMING_OFF, "hcw dtv stream off"},
316 {FX2CMD_ONAIR_DTV_STREAMING_ON, "onair dtv stream on"},
317 {FX2CMD_ONAIR_DTV_STREAMING_OFF, "onair dtv stream off"},
318 {FX2CMD_ONAIR_DTV_POWER_ON, "onair dtv power on"},
319 {FX2CMD_ONAIR_DTV_POWER_OFF, "onair dtv power off"},
323 static int pvr2_hdw_set_input(struct pvr2_hdw *hdw,int v);
324 static void pvr2_hdw_state_sched(struct pvr2_hdw *);
325 static int pvr2_hdw_state_eval(struct pvr2_hdw *);
326 static void pvr2_hdw_set_cur_freq(struct pvr2_hdw *,unsigned long);
327 static void pvr2_hdw_worker_poll(struct work_struct *work);
328 static int pvr2_hdw_wait(struct pvr2_hdw *,int state);
329 static int pvr2_hdw_untrip_unlocked(struct pvr2_hdw *);
330 static void pvr2_hdw_state_log_state(struct pvr2_hdw *);
331 static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl);
332 static int pvr2_hdw_commit_setup(struct pvr2_hdw *hdw);
333 static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw);
334 static void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw);
335 static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw);
336 static void pvr2_hdw_quiescent_timeout(unsigned long);
337 static void pvr2_hdw_encoder_wait_timeout(unsigned long);
338 static void pvr2_hdw_encoder_run_timeout(unsigned long);
339 static int pvr2_issue_simple_cmd(struct pvr2_hdw *,u32);
340 static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
341 unsigned int timeout,int probe_fl,
342 void *write_data,unsigned int write_len,
343 void *read_data,unsigned int read_len);
344 static int pvr2_hdw_check_cropcap(struct pvr2_hdw *hdw);
347 static void trace_stbit(const char *name,int val)
349 pvr2_trace(PVR2_TRACE_STBITS,
350 "State bit %s <-- %s",
351 name,(val ? "true" : "false"));
354 static int ctrl_channelfreq_get(struct pvr2_ctrl *cptr,int *vp)
356 struct pvr2_hdw *hdw = cptr->hdw;
357 if ((hdw->freqProgSlot > 0) && (hdw->freqProgSlot <= FREQTABLE_SIZE)) {
358 *vp = hdw->freqTable[hdw->freqProgSlot-1];
365 static int ctrl_channelfreq_set(struct pvr2_ctrl *cptr,int m,int v)
367 struct pvr2_hdw *hdw = cptr->hdw;
368 unsigned int slotId = hdw->freqProgSlot;
369 if ((slotId > 0) && (slotId <= FREQTABLE_SIZE)) {
370 hdw->freqTable[slotId-1] = v;
371 /* Handle side effects correctly - if we're tuned to this
372 slot, then forgot the slot id relation since the stored
373 frequency has been changed. */
374 if (hdw->freqSelector) {
375 if (hdw->freqSlotRadio == slotId) {
376 hdw->freqSlotRadio = 0;
379 if (hdw->freqSlotTelevision == slotId) {
380 hdw->freqSlotTelevision = 0;
387 static int ctrl_channelprog_get(struct pvr2_ctrl *cptr,int *vp)
389 *vp = cptr->hdw->freqProgSlot;
393 static int ctrl_channelprog_set(struct pvr2_ctrl *cptr,int m,int v)
395 struct pvr2_hdw *hdw = cptr->hdw;
396 if ((v >= 0) && (v <= FREQTABLE_SIZE)) {
397 hdw->freqProgSlot = v;
402 static int ctrl_channel_get(struct pvr2_ctrl *cptr,int *vp)
404 struct pvr2_hdw *hdw = cptr->hdw;
405 *vp = hdw->freqSelector ? hdw->freqSlotRadio : hdw->freqSlotTelevision;
409 static int ctrl_channel_set(struct pvr2_ctrl *cptr,int m,int slotId)
412 struct pvr2_hdw *hdw = cptr->hdw;
413 if ((slotId < 0) || (slotId > FREQTABLE_SIZE)) return 0;
415 freq = hdw->freqTable[slotId-1];
417 pvr2_hdw_set_cur_freq(hdw,freq);
419 if (hdw->freqSelector) {
420 hdw->freqSlotRadio = slotId;
422 hdw->freqSlotTelevision = slotId;
427 static int ctrl_freq_get(struct pvr2_ctrl *cptr,int *vp)
429 *vp = pvr2_hdw_get_cur_freq(cptr->hdw);
433 static int ctrl_freq_is_dirty(struct pvr2_ctrl *cptr)
435 return cptr->hdw->freqDirty != 0;
438 static void ctrl_freq_clear_dirty(struct pvr2_ctrl *cptr)
440 cptr->hdw->freqDirty = 0;
443 static int ctrl_freq_set(struct pvr2_ctrl *cptr,int m,int v)
445 pvr2_hdw_set_cur_freq(cptr->hdw,v);
449 static int ctrl_cropl_min_get(struct pvr2_ctrl *cptr, int *left)
451 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
452 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
456 *left = cap->bounds.left;
460 static int ctrl_cropl_max_get(struct pvr2_ctrl *cptr, int *left)
462 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
463 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
467 *left = cap->bounds.left;
468 if (cap->bounds.width > cptr->hdw->cropw_val) {
469 *left += cap->bounds.width - cptr->hdw->cropw_val;
474 static int ctrl_cropt_min_get(struct pvr2_ctrl *cptr, int *top)
476 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
477 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
481 *top = cap->bounds.top;
485 static int ctrl_cropt_max_get(struct pvr2_ctrl *cptr, int *top)
487 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
488 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
492 *top = cap->bounds.top;
493 if (cap->bounds.height > cptr->hdw->croph_val) {
494 *top += cap->bounds.height - cptr->hdw->croph_val;
499 static int ctrl_cropw_max_get(struct pvr2_ctrl *cptr, int *val)
501 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
502 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
507 if (cap->bounds.width > cptr->hdw->cropl_val) {
508 *val = cap->bounds.width - cptr->hdw->cropl_val;
513 static int ctrl_croph_max_get(struct pvr2_ctrl *cptr, int *val)
515 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
516 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
521 if (cap->bounds.height > cptr->hdw->cropt_val) {
522 *val = cap->bounds.height - cptr->hdw->cropt_val;
527 static int ctrl_get_cropcapbl(struct pvr2_ctrl *cptr, int *val)
529 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
530 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
534 *val = cap->bounds.left;
538 static int ctrl_get_cropcapbt(struct pvr2_ctrl *cptr, int *val)
540 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
541 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
545 *val = cap->bounds.top;
549 static int ctrl_get_cropcapbw(struct pvr2_ctrl *cptr, int *val)
551 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
552 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
556 *val = cap->bounds.width;
560 static int ctrl_get_cropcapbh(struct pvr2_ctrl *cptr, int *val)
562 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
563 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
567 *val = cap->bounds.height;
571 static int ctrl_get_cropcapdl(struct pvr2_ctrl *cptr, int *val)
573 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
574 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
578 *val = cap->defrect.left;
582 static int ctrl_get_cropcapdt(struct pvr2_ctrl *cptr, int *val)
584 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
585 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
589 *val = cap->defrect.top;
593 static int ctrl_get_cropcapdw(struct pvr2_ctrl *cptr, int *val)
595 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
596 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
600 *val = cap->defrect.width;
604 static int ctrl_get_cropcapdh(struct pvr2_ctrl *cptr, int *val)
606 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
607 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
611 *val = cap->defrect.height;
615 static int ctrl_get_cropcappan(struct pvr2_ctrl *cptr, int *val)
617 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
618 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
622 *val = cap->pixelaspect.numerator;
626 static int ctrl_get_cropcappad(struct pvr2_ctrl *cptr, int *val)
628 struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info;
629 int stat = pvr2_hdw_check_cropcap(cptr->hdw);
633 *val = cap->pixelaspect.denominator;
637 static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp)
639 /* Actual maximum depends on the video standard in effect. */
640 if (cptr->hdw->std_mask_cur & V4L2_STD_525_60) {
648 static int ctrl_vres_min_get(struct pvr2_ctrl *cptr,int *vp)
650 /* Actual minimum depends on device digitizer type. */
651 if (cptr->hdw->hdw_desc->flag_has_cx25840) {
659 static int ctrl_get_input(struct pvr2_ctrl *cptr,int *vp)
661 *vp = cptr->hdw->input_val;
665 static int ctrl_check_input(struct pvr2_ctrl *cptr,int v)
667 return ((1 << v) & cptr->hdw->input_allowed_mask) != 0;
670 static int ctrl_set_input(struct pvr2_ctrl *cptr,int m,int v)
672 return pvr2_hdw_set_input(cptr->hdw,v);
675 static int ctrl_isdirty_input(struct pvr2_ctrl *cptr)
677 return cptr->hdw->input_dirty != 0;
680 static void ctrl_cleardirty_input(struct pvr2_ctrl *cptr)
682 cptr->hdw->input_dirty = 0;
686 static int ctrl_freq_max_get(struct pvr2_ctrl *cptr, int *vp)
689 struct pvr2_hdw *hdw = cptr->hdw;
690 if (hdw->tuner_signal_stale) {
691 pvr2_hdw_status_poll(hdw);
693 fv = hdw->tuner_signal_info.rangehigh;
695 /* Safety fallback */
699 if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
708 static int ctrl_freq_min_get(struct pvr2_ctrl *cptr, int *vp)
711 struct pvr2_hdw *hdw = cptr->hdw;
712 if (hdw->tuner_signal_stale) {
713 pvr2_hdw_status_poll(hdw);
715 fv = hdw->tuner_signal_info.rangelow;
717 /* Safety fallback */
721 if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
730 static int ctrl_cx2341x_is_dirty(struct pvr2_ctrl *cptr)
732 return cptr->hdw->enc_stale != 0;
735 static void ctrl_cx2341x_clear_dirty(struct pvr2_ctrl *cptr)
737 cptr->hdw->enc_stale = 0;
738 cptr->hdw->enc_unsafe_stale = 0;
741 static int ctrl_cx2341x_get(struct pvr2_ctrl *cptr,int *vp)
744 struct v4l2_ext_controls cs;
745 struct v4l2_ext_control c1;
746 memset(&cs,0,sizeof(cs));
747 memset(&c1,0,sizeof(c1));
750 c1.id = cptr->info->v4l_id;
751 ret = cx2341x_ext_ctrls(&cptr->hdw->enc_ctl_state, 0, &cs,
758 static int ctrl_cx2341x_set(struct pvr2_ctrl *cptr,int m,int v)
761 struct pvr2_hdw *hdw = cptr->hdw;
762 struct v4l2_ext_controls cs;
763 struct v4l2_ext_control c1;
764 memset(&cs,0,sizeof(cs));
765 memset(&c1,0,sizeof(c1));
768 c1.id = cptr->info->v4l_id;
770 ret = cx2341x_ext_ctrls(&hdw->enc_ctl_state,
771 hdw->state_encoder_run, &cs,
774 /* Oops. cx2341x is telling us it's not safe to change
775 this control while we're capturing. Make a note of this
776 fact so that the pipeline will be stopped the next time
777 controls are committed. Then go on ahead and store this
779 ret = cx2341x_ext_ctrls(&hdw->enc_ctl_state,
782 if (!ret) hdw->enc_unsafe_stale = !0;
789 static unsigned int ctrl_cx2341x_getv4lflags(struct pvr2_ctrl *cptr)
791 struct v4l2_queryctrl qctrl;
792 struct pvr2_ctl_info *info;
793 qctrl.id = cptr->info->v4l_id;
794 cx2341x_ctrl_query(&cptr->hdw->enc_ctl_state,&qctrl);
795 /* Strip out the const so we can adjust a function pointer. It's
796 OK to do this here because we know this is a dynamically created
797 control, so the underlying storage for the info pointer is (a)
798 private to us, and (b) not in read-only storage. Either we do
799 this or we significantly complicate the underlying control
801 info = (struct pvr2_ctl_info *)(cptr->info);
802 if (qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY) {
803 if (info->set_value) {
804 info->set_value = NULL;
807 if (!(info->set_value)) {
808 info->set_value = ctrl_cx2341x_set;
814 static int ctrl_streamingenabled_get(struct pvr2_ctrl *cptr,int *vp)
816 *vp = cptr->hdw->state_pipeline_req;
820 static int ctrl_masterstate_get(struct pvr2_ctrl *cptr,int *vp)
822 *vp = cptr->hdw->master_state;
826 static int ctrl_hsm_get(struct pvr2_ctrl *cptr,int *vp)
828 int result = pvr2_hdw_is_hsm(cptr->hdw);
829 *vp = PVR2_CVAL_HSM_FULL;
830 if (result < 0) *vp = PVR2_CVAL_HSM_FAIL;
831 if (result) *vp = PVR2_CVAL_HSM_HIGH;
835 static int ctrl_stdavail_get(struct pvr2_ctrl *cptr,int *vp)
837 *vp = cptr->hdw->std_mask_avail;
841 static int ctrl_stdavail_set(struct pvr2_ctrl *cptr,int m,int v)
843 struct pvr2_hdw *hdw = cptr->hdw;
845 ns = hdw->std_mask_avail;
846 ns = (ns & ~m) | (v & m);
847 if (ns == hdw->std_mask_avail) return 0;
848 hdw->std_mask_avail = ns;
849 pvr2_hdw_internal_set_std_avail(hdw);
850 pvr2_hdw_internal_find_stdenum(hdw);
854 static int ctrl_std_val_to_sym(struct pvr2_ctrl *cptr,int msk,int val,
855 char *bufPtr,unsigned int bufSize,
858 *len = pvr2_std_id_to_str(bufPtr,bufSize,msk & val);
862 static int ctrl_std_sym_to_val(struct pvr2_ctrl *cptr,
863 const char *bufPtr,unsigned int bufSize,
868 ret = pvr2_std_str_to_id(&id,bufPtr,bufSize);
869 if (ret < 0) return ret;
870 if (mskp) *mskp = id;
871 if (valp) *valp = id;
875 static int ctrl_stdcur_get(struct pvr2_ctrl *cptr,int *vp)
877 *vp = cptr->hdw->std_mask_cur;
881 static int ctrl_stdcur_set(struct pvr2_ctrl *cptr,int m,int v)
883 struct pvr2_hdw *hdw = cptr->hdw;
885 ns = hdw->std_mask_cur;
886 ns = (ns & ~m) | (v & m);
887 if (ns == hdw->std_mask_cur) return 0;
888 hdw->std_mask_cur = ns;
890 pvr2_hdw_internal_find_stdenum(hdw);
894 static int ctrl_stdcur_is_dirty(struct pvr2_ctrl *cptr)
896 return cptr->hdw->std_dirty != 0;
899 static void ctrl_stdcur_clear_dirty(struct pvr2_ctrl *cptr)
901 cptr->hdw->std_dirty = 0;
904 static int ctrl_signal_get(struct pvr2_ctrl *cptr,int *vp)
906 struct pvr2_hdw *hdw = cptr->hdw;
907 pvr2_hdw_status_poll(hdw);
908 *vp = hdw->tuner_signal_info.signal;
912 static int ctrl_audio_modes_present_get(struct pvr2_ctrl *cptr,int *vp)
915 unsigned int subchan;
916 struct pvr2_hdw *hdw = cptr->hdw;
917 pvr2_hdw_status_poll(hdw);
918 subchan = hdw->tuner_signal_info.rxsubchans;
919 if (subchan & V4L2_TUNER_SUB_MONO) {
920 val |= (1 << V4L2_TUNER_MODE_MONO);
922 if (subchan & V4L2_TUNER_SUB_STEREO) {
923 val |= (1 << V4L2_TUNER_MODE_STEREO);
925 if (subchan & V4L2_TUNER_SUB_LANG1) {
926 val |= (1 << V4L2_TUNER_MODE_LANG1);
928 if (subchan & V4L2_TUNER_SUB_LANG2) {
929 val |= (1 << V4L2_TUNER_MODE_LANG2);
936 static int ctrl_stdenumcur_set(struct pvr2_ctrl *cptr,int m,int v)
938 struct pvr2_hdw *hdw = cptr->hdw;
939 if (v < 0) return -EINVAL;
940 if (v > hdw->std_enum_cnt) return -EINVAL;
941 hdw->std_enum_cur = v;
944 if (hdw->std_mask_cur == hdw->std_defs[v].id) return 0;
945 hdw->std_mask_cur = hdw->std_defs[v].id;
951 static int ctrl_stdenumcur_get(struct pvr2_ctrl *cptr,int *vp)
953 *vp = cptr->hdw->std_enum_cur;
958 static int ctrl_stdenumcur_is_dirty(struct pvr2_ctrl *cptr)
960 return cptr->hdw->std_dirty != 0;
964 static void ctrl_stdenumcur_clear_dirty(struct pvr2_ctrl *cptr)
966 cptr->hdw->std_dirty = 0;
970 #define DEFINT(vmin,vmax) \
971 .type = pvr2_ctl_int, \
972 .def.type_int.min_value = vmin, \
973 .def.type_int.max_value = vmax
975 #define DEFENUM(tab) \
976 .type = pvr2_ctl_enum, \
977 .def.type_enum.count = ARRAY_SIZE(tab), \
978 .def.type_enum.value_names = tab
981 .type = pvr2_ctl_bool
983 #define DEFMASK(msk,tab) \
984 .type = pvr2_ctl_bitmask, \
985 .def.type_bitmask.valid_bits = msk, \
986 .def.type_bitmask.bit_names = tab
988 #define DEFREF(vname) \
989 .set_value = ctrl_set_##vname, \
990 .get_value = ctrl_get_##vname, \
991 .is_dirty = ctrl_isdirty_##vname, \
992 .clear_dirty = ctrl_cleardirty_##vname
995 #define VCREATE_FUNCS(vname) \
996 static int ctrl_get_##vname(struct pvr2_ctrl *cptr,int *vp) \
997 {*vp = cptr->hdw->vname##_val; return 0;} \
998 static int ctrl_set_##vname(struct pvr2_ctrl *cptr,int m,int v) \
999 {cptr->hdw->vname##_val = v; cptr->hdw->vname##_dirty = !0; return 0;} \
1000 static int ctrl_isdirty_##vname(struct pvr2_ctrl *cptr) \
1001 {return cptr->hdw->vname##_dirty != 0;} \
1002 static void ctrl_cleardirty_##vname(struct pvr2_ctrl *cptr) \
1003 {cptr->hdw->vname##_dirty = 0;}
1005 VCREATE_FUNCS(brightness)
1006 VCREATE_FUNCS(contrast)
1007 VCREATE_FUNCS(saturation)
1009 VCREATE_FUNCS(volume)
1010 VCREATE_FUNCS(balance)
1012 VCREATE_FUNCS(treble)
1014 VCREATE_FUNCS(cropl)
1015 VCREATE_FUNCS(cropt)
1016 VCREATE_FUNCS(cropw)
1017 VCREATE_FUNCS(croph)
1018 VCREATE_FUNCS(audiomode)
1019 VCREATE_FUNCS(res_hor)
1020 VCREATE_FUNCS(res_ver)
1021 VCREATE_FUNCS(srate)
1023 /* Table definition of all controls which can be manipulated */
1024 static const struct pvr2_ctl_info control_defs[] = {
1026 .v4l_id = V4L2_CID_BRIGHTNESS,
1027 .desc = "Brightness",
1028 .name = "brightness",
1029 .default_value = 128,
1033 .v4l_id = V4L2_CID_CONTRAST,
1036 .default_value = 68,
1040 .v4l_id = V4L2_CID_SATURATION,
1041 .desc = "Saturation",
1042 .name = "saturation",
1043 .default_value = 64,
1047 .v4l_id = V4L2_CID_HUE,
1054 .v4l_id = V4L2_CID_AUDIO_VOLUME,
1057 .default_value = 62000,
1061 .v4l_id = V4L2_CID_AUDIO_BALANCE,
1066 DEFINT(-32768,32767),
1068 .v4l_id = V4L2_CID_AUDIO_BASS,
1073 DEFINT(-32768,32767),
1075 .v4l_id = V4L2_CID_AUDIO_TREBLE,
1080 DEFINT(-32768,32767),
1082 .v4l_id = V4L2_CID_AUDIO_MUTE,
1089 .desc = "Capture crop left margin",
1090 .name = "crop_left",
1091 .internal_id = PVR2_CID_CROPL,
1095 .get_min_value = ctrl_cropl_min_get,
1096 .get_max_value = ctrl_cropl_max_get,
1097 .get_def_value = ctrl_get_cropcapdl,
1099 .desc = "Capture crop top margin",
1101 .internal_id = PVR2_CID_CROPT,
1105 .get_min_value = ctrl_cropt_min_get,
1106 .get_max_value = ctrl_cropt_max_get,
1107 .get_def_value = ctrl_get_cropcapdt,
1109 .desc = "Capture crop width",
1110 .name = "crop_width",
1111 .internal_id = PVR2_CID_CROPW,
1112 .default_value = 720,
1114 .get_max_value = ctrl_cropw_max_get,
1115 .get_def_value = ctrl_get_cropcapdw,
1117 .desc = "Capture crop height",
1118 .name = "crop_height",
1119 .internal_id = PVR2_CID_CROPH,
1120 .default_value = 480,
1122 .get_max_value = ctrl_croph_max_get,
1123 .get_def_value = ctrl_get_cropcapdh,
1125 .desc = "Capture capability pixel aspect numerator",
1126 .name = "cropcap_pixel_numerator",
1127 .internal_id = PVR2_CID_CROPCAPPAN,
1128 .get_value = ctrl_get_cropcappan,
1130 .desc = "Capture capability pixel aspect denominator",
1131 .name = "cropcap_pixel_denominator",
1132 .internal_id = PVR2_CID_CROPCAPPAD,
1133 .get_value = ctrl_get_cropcappad,
1135 .desc = "Capture capability bounds top",
1136 .name = "cropcap_bounds_top",
1137 .internal_id = PVR2_CID_CROPCAPBT,
1138 .get_value = ctrl_get_cropcapbt,
1140 .desc = "Capture capability bounds left",
1141 .name = "cropcap_bounds_left",
1142 .internal_id = PVR2_CID_CROPCAPBL,
1143 .get_value = ctrl_get_cropcapbl,
1145 .desc = "Capture capability bounds width",
1146 .name = "cropcap_bounds_width",
1147 .internal_id = PVR2_CID_CROPCAPBW,
1148 .get_value = ctrl_get_cropcapbw,
1150 .desc = "Capture capability bounds height",
1151 .name = "cropcap_bounds_height",
1152 .internal_id = PVR2_CID_CROPCAPBH,
1153 .get_value = ctrl_get_cropcapbh,
1155 .desc = "Video Source",
1157 .internal_id = PVR2_CID_INPUT,
1158 .default_value = PVR2_CVAL_INPUT_TV,
1159 .check_value = ctrl_check_input,
1161 DEFENUM(control_values_input),
1163 .desc = "Audio Mode",
1164 .name = "audio_mode",
1165 .internal_id = PVR2_CID_AUDIOMODE,
1166 .default_value = V4L2_TUNER_MODE_STEREO,
1168 DEFENUM(control_values_audiomode),
1170 .desc = "Horizontal capture resolution",
1171 .name = "resolution_hor",
1172 .internal_id = PVR2_CID_HRES,
1173 .default_value = 720,
1177 .desc = "Vertical capture resolution",
1178 .name = "resolution_ver",
1179 .internal_id = PVR2_CID_VRES,
1180 .default_value = 480,
1183 /* Hook in check for video standard and adjust maximum
1184 depending on the standard. */
1185 .get_max_value = ctrl_vres_max_get,
1186 .get_min_value = ctrl_vres_min_get,
1188 .v4l_id = V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
1189 .default_value = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000,
1190 .desc = "Audio Sampling Frequency",
1193 DEFENUM(control_values_srate),
1195 .desc = "Tuner Frequency (Hz)",
1196 .name = "frequency",
1197 .internal_id = PVR2_CID_FREQUENCY,
1199 .set_value = ctrl_freq_set,
1200 .get_value = ctrl_freq_get,
1201 .is_dirty = ctrl_freq_is_dirty,
1202 .clear_dirty = ctrl_freq_clear_dirty,
1204 /* Hook in check for input value (tv/radio) and adjust
1205 max/min values accordingly */
1206 .get_max_value = ctrl_freq_max_get,
1207 .get_min_value = ctrl_freq_min_get,
1211 .set_value = ctrl_channel_set,
1212 .get_value = ctrl_channel_get,
1213 DEFINT(0,FREQTABLE_SIZE),
1215 .desc = "Channel Program Frequency",
1216 .name = "freq_table_value",
1217 .set_value = ctrl_channelfreq_set,
1218 .get_value = ctrl_channelfreq_get,
1220 /* Hook in check for input value (tv/radio) and adjust
1221 max/min values accordingly */
1222 .get_max_value = ctrl_freq_max_get,
1223 .get_min_value = ctrl_freq_min_get,
1225 .desc = "Channel Program ID",
1226 .name = "freq_table_channel",
1227 .set_value = ctrl_channelprog_set,
1228 .get_value = ctrl_channelprog_get,
1229 DEFINT(0,FREQTABLE_SIZE),
1231 .desc = "Streaming Enabled",
1232 .name = "streaming_enabled",
1233 .get_value = ctrl_streamingenabled_get,
1236 .desc = "USB Speed",
1237 .name = "usb_speed",
1238 .get_value = ctrl_hsm_get,
1239 DEFENUM(control_values_hsm),
1241 .desc = "Master State",
1242 .name = "master_state",
1243 .get_value = ctrl_masterstate_get,
1244 DEFENUM(pvr2_state_names),
1246 .desc = "Signal Present",
1247 .name = "signal_present",
1248 .get_value = ctrl_signal_get,
1251 .desc = "Audio Modes Present",
1252 .name = "audio_modes_present",
1253 .get_value = ctrl_audio_modes_present_get,
1254 /* For this type we "borrow" the V4L2_TUNER_MODE enum from
1255 v4l. Nothing outside of this module cares about this,
1256 but I reuse it in order to also reuse the
1257 control_values_audiomode string table. */
1258 DEFMASK(((1 << V4L2_TUNER_MODE_MONO)|
1259 (1 << V4L2_TUNER_MODE_STEREO)|
1260 (1 << V4L2_TUNER_MODE_LANG1)|
1261 (1 << V4L2_TUNER_MODE_LANG2)),
1262 control_values_audiomode),
1264 .desc = "Video Standards Available Mask",
1265 .name = "video_standard_mask_available",
1266 .internal_id = PVR2_CID_STDAVAIL,
1268 .get_value = ctrl_stdavail_get,
1269 .set_value = ctrl_stdavail_set,
1270 .val_to_sym = ctrl_std_val_to_sym,
1271 .sym_to_val = ctrl_std_sym_to_val,
1272 .type = pvr2_ctl_bitmask,
1274 .desc = "Video Standards In Use Mask",
1275 .name = "video_standard_mask_active",
1276 .internal_id = PVR2_CID_STDCUR,
1278 .get_value = ctrl_stdcur_get,
1279 .set_value = ctrl_stdcur_set,
1280 .is_dirty = ctrl_stdcur_is_dirty,
1281 .clear_dirty = ctrl_stdcur_clear_dirty,
1282 .val_to_sym = ctrl_std_val_to_sym,
1283 .sym_to_val = ctrl_std_sym_to_val,
1284 .type = pvr2_ctl_bitmask,
1286 .desc = "Video Standard Name",
1287 .name = "video_standard",
1288 .internal_id = PVR2_CID_STDENUM,
1290 .get_value = ctrl_stdenumcur_get,
1291 .set_value = ctrl_stdenumcur_set,
1292 .is_dirty = ctrl_stdenumcur_is_dirty,
1293 .clear_dirty = ctrl_stdenumcur_clear_dirty,
1294 .type = pvr2_ctl_enum,
1298 #define CTRLDEF_COUNT ARRAY_SIZE(control_defs)
1301 const char *pvr2_config_get_name(enum pvr2_config cfg)
1304 case pvr2_config_empty: return "empty";
1305 case pvr2_config_mpeg: return "mpeg";
1306 case pvr2_config_vbi: return "vbi";
1307 case pvr2_config_pcm: return "pcm";
1308 case pvr2_config_rawvideo: return "raw video";
1314 struct usb_device *pvr2_hdw_get_dev(struct pvr2_hdw *hdw)
1316 return hdw->usb_dev;
1320 unsigned long pvr2_hdw_get_sn(struct pvr2_hdw *hdw)
1322 return hdw->serial_number;
1326 const char *pvr2_hdw_get_bus_info(struct pvr2_hdw *hdw)
1328 return hdw->bus_info;
1332 const char *pvr2_hdw_get_device_identifier(struct pvr2_hdw *hdw)
1334 return hdw->identifier;
1338 unsigned long pvr2_hdw_get_cur_freq(struct pvr2_hdw *hdw)
1340 return hdw->freqSelector ? hdw->freqValTelevision : hdw->freqValRadio;
1343 /* Set the currently tuned frequency and account for all possible
1344 driver-core side effects of this action. */
1345 static void pvr2_hdw_set_cur_freq(struct pvr2_hdw *hdw,unsigned long val)
1347 if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
1348 if (hdw->freqSelector) {
1349 /* Swing over to radio frequency selection */
1350 hdw->freqSelector = 0;
1351 hdw->freqDirty = !0;
1353 if (hdw->freqValRadio != val) {
1354 hdw->freqValRadio = val;
1355 hdw->freqSlotRadio = 0;
1356 hdw->freqDirty = !0;
1359 if (!(hdw->freqSelector)) {
1360 /* Swing over to television frequency selection */
1361 hdw->freqSelector = 1;
1362 hdw->freqDirty = !0;
1364 if (hdw->freqValTelevision != val) {
1365 hdw->freqValTelevision = val;
1366 hdw->freqSlotTelevision = 0;
1367 hdw->freqDirty = !0;
1372 int pvr2_hdw_get_unit_number(struct pvr2_hdw *hdw)
1374 return hdw->unit_number;
1378 /* Attempt to locate one of the given set of files. Messages are logged
1379 appropriate to what has been found. The return value will be 0 or
1380 greater on success (it will be the index of the file name found) and
1381 fw_entry will be filled in. Otherwise a negative error is returned on
1382 failure. If the return value is -ENOENT then no viable firmware file
1383 could be located. */
1384 static int pvr2_locate_firmware(struct pvr2_hdw *hdw,
1385 const struct firmware **fw_entry,
1386 const char *fwtypename,
1387 unsigned int fwcount,
1388 const char *fwnames[])
1392 for (idx = 0; idx < fwcount; idx++) {
1393 ret = request_firmware(fw_entry,
1395 &hdw->usb_dev->dev);
1397 trace_firmware("Located %s firmware: %s;"
1403 if (ret == -ENOENT) continue;
1404 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1405 "request_firmware fatal error with code=%d",ret);
1408 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1410 " Device %s firmware"
1411 " seems to be missing.",
1413 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1414 "Did you install the pvrusb2 firmware files"
1415 " in their proper location?");
1417 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1418 "request_firmware unable to locate %s file %s",
1419 fwtypename,fwnames[0]);
1421 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1422 "request_firmware unable to locate"
1423 " one of the following %s files:",
1425 for (idx = 0; idx < fwcount; idx++) {
1426 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1427 "request_firmware: Failed to find %s",
1436 * pvr2_upload_firmware1().
1438 * Send the 8051 firmware to the device. After the upload, arrange for
1439 * device to re-enumerate.
1441 * NOTE : the pointer to the firmware data given by request_firmware()
1442 * is not suitable for an usb transaction.
1445 static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
1447 const struct firmware *fw_entry = NULL;
1453 if (!hdw->hdw_desc->fx2_firmware.cnt) {
1454 hdw->fw1_state = FW1_STATE_OK;
1455 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1456 "Connected device type defines"
1457 " no firmware to upload; ignoring firmware");
1461 hdw->fw1_state = FW1_STATE_FAILED; // default result
1463 trace_firmware("pvr2_upload_firmware1");
1465 ret = pvr2_locate_firmware(hdw,&fw_entry,"fx2 controller",
1466 hdw->hdw_desc->fx2_firmware.cnt,
1467 hdw->hdw_desc->fx2_firmware.lst);
1469 if (ret == -ENOENT) hdw->fw1_state = FW1_STATE_MISSING;
1473 usb_clear_halt(hdw->usb_dev, usb_sndbulkpipe(hdw->usb_dev, 0 & 0x7f));
1475 pipe = usb_sndctrlpipe(hdw->usb_dev, 0);
1477 if (fw_entry->size != 0x2000){
1478 pvr2_trace(PVR2_TRACE_ERROR_LEGS,"wrong fx2 firmware size");
1479 release_firmware(fw_entry);
1483 fw_ptr = kmalloc(0x800, GFP_KERNEL);
1484 if (fw_ptr == NULL){
1485 release_firmware(fw_entry);
1489 /* We have to hold the CPU during firmware upload. */
1490 pvr2_hdw_cpureset_assert(hdw,1);
1492 /* upload the firmware to address 0000-1fff in 2048 (=0x800) bytes
1496 for(address = 0; address < fw_entry->size; address += 0x800) {
1497 memcpy(fw_ptr, fw_entry->data + address, 0x800);
1498 ret += usb_control_msg(hdw->usb_dev, pipe, 0xa0, 0x40, address,
1499 0, fw_ptr, 0x800, HZ);
1502 trace_firmware("Upload done, releasing device's CPU");
1504 /* Now release the CPU. It will disconnect and reconnect later. */
1505 pvr2_hdw_cpureset_assert(hdw,0);
1508 release_firmware(fw_entry);
1510 trace_firmware("Upload done (%d bytes sent)",ret);
1512 /* We should have written 8192 bytes */
1514 hdw->fw1_state = FW1_STATE_RELOAD;
1523 * pvr2_upload_firmware2()
1525 * This uploads encoder firmware on endpoint 2.
1529 int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
1531 const struct firmware *fw_entry = NULL;
1533 unsigned int pipe, fw_len, fw_done, bcnt, icnt;
1537 static const char *fw_files[] = {
1538 CX2341X_FIRM_ENC_FILENAME,
1541 if (hdw->hdw_desc->flag_skip_cx23416_firmware) {
1545 trace_firmware("pvr2_upload_firmware2");
1547 ret = pvr2_locate_firmware(hdw,&fw_entry,"encoder",
1548 ARRAY_SIZE(fw_files), fw_files);
1549 if (ret < 0) return ret;
1552 /* Since we're about to completely reinitialize the encoder,
1553 invalidate our cached copy of its configuration state. Next
1554 time we configure the encoder, then we'll fully configure it. */
1555 hdw->enc_cur_valid = 0;
1557 /* Encoder is about to be reset so note that as far as we're
1558 concerned now, the encoder has never been run. */
1559 del_timer_sync(&hdw->encoder_run_timer);
1560 if (hdw->state_encoder_runok) {
1561 hdw->state_encoder_runok = 0;
1562 trace_stbit("state_encoder_runok",hdw->state_encoder_runok);
1565 /* First prepare firmware loading */
1566 ret |= pvr2_write_register(hdw, 0x0048, 0xffffffff); /*interrupt mask*/
1567 ret |= pvr2_hdw_gpio_chg_dir(hdw,0xffffffff,0x00000088); /*gpio dir*/
1568 ret |= pvr2_hdw_gpio_chg_out(hdw,0xffffffff,0x00000008); /*gpio output state*/
1569 ret |= pvr2_hdw_cmd_deep_reset(hdw);
1570 ret |= pvr2_write_register(hdw, 0xa064, 0x00000000); /*APU command*/
1571 ret |= pvr2_hdw_gpio_chg_dir(hdw,0xffffffff,0x00000408); /*gpio dir*/
1572 ret |= pvr2_hdw_gpio_chg_out(hdw,0xffffffff,0x00000008); /*gpio output state*/
1573 ret |= pvr2_write_register(hdw, 0x9058, 0xffffffed); /*VPU ctrl*/
1574 ret |= pvr2_write_register(hdw, 0x9054, 0xfffffffd); /*reset hw blocks*/
1575 ret |= pvr2_write_register(hdw, 0x07f8, 0x80000800); /*encoder SDRAM refresh*/
1576 ret |= pvr2_write_register(hdw, 0x07fc, 0x0000001a); /*encoder SDRAM pre-charge*/
1577 ret |= pvr2_write_register(hdw, 0x0700, 0x00000000); /*I2C clock*/
1578 ret |= pvr2_write_register(hdw, 0xaa00, 0x00000000); /*unknown*/
1579 ret |= pvr2_write_register(hdw, 0xaa04, 0x00057810); /*unknown*/
1580 ret |= pvr2_write_register(hdw, 0xaa10, 0x00148500); /*unknown*/
1581 ret |= pvr2_write_register(hdw, 0xaa18, 0x00840000); /*unknown*/
1582 ret |= pvr2_issue_simple_cmd(hdw,FX2CMD_FWPOST1);
1583 ret |= pvr2_issue_simple_cmd(hdw,FX2CMD_MEMSEL | (1 << 8) | (0 << 16));
1586 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1587 "firmware2 upload prep failed, ret=%d",ret);
1588 release_firmware(fw_entry);
1592 /* Now send firmware */
1594 fw_len = fw_entry->size;
1596 if (fw_len % sizeof(u32)) {
1597 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1598 "size of %s firmware"
1599 " must be a multiple of %zu bytes",
1600 fw_files[fwidx],sizeof(u32));
1601 release_firmware(fw_entry);
1606 fw_ptr = kmalloc(FIRMWARE_CHUNK_SIZE, GFP_KERNEL);
1607 if (fw_ptr == NULL){
1608 release_firmware(fw_entry);
1609 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1610 "failed to allocate memory for firmware2 upload");
1615 pipe = usb_sndbulkpipe(hdw->usb_dev, PVR2_FIRMWARE_ENDPOINT);
1618 for (fw_done = 0; fw_done < fw_len;) {
1619 bcnt = fw_len - fw_done;
1620 if (bcnt > FIRMWARE_CHUNK_SIZE) bcnt = FIRMWARE_CHUNK_SIZE;
1621 memcpy(fw_ptr, fw_entry->data + fw_done, bcnt);
1622 /* Usbsnoop log shows that we must swap bytes... */
1623 /* Some background info: The data being swapped here is a
1624 firmware image destined for the mpeg encoder chip that
1625 lives at the other end of a USB endpoint. The encoder
1626 chip always talks in 32 bit chunks and its storage is
1627 organized into 32 bit words. However from the file
1628 system to the encoder chip everything is purely a byte
1629 stream. The firmware file's contents are always 32 bit
1630 swapped from what the encoder expects. Thus the need
1631 always exists to swap the bytes regardless of the endian
1632 type of the host processor and therefore swab32() makes
1634 for (icnt = 0; icnt < bcnt/4 ; icnt++)
1635 ((u32 *)fw_ptr)[icnt] = swab32(((u32 *)fw_ptr)[icnt]);
1637 ret |= usb_bulk_msg(hdw->usb_dev, pipe, fw_ptr,bcnt,
1638 &actual_length, HZ);
1639 ret |= (actual_length != bcnt);
1644 trace_firmware("upload of %s : %i / %i ",
1645 fw_files[fwidx],fw_done,fw_len);
1648 release_firmware(fw_entry);
1651 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1652 "firmware2 upload transfer failure");
1658 ret |= pvr2_write_register(hdw, 0x9054, 0xffffffff); /*reset hw blocks*/
1659 ret |= pvr2_write_register(hdw, 0x9058, 0xffffffe8); /*VPU ctrl*/
1660 ret |= pvr2_issue_simple_cmd(hdw,FX2CMD_MEMSEL | (1 << 8) | (0 << 16));
1663 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1664 "firmware2 upload post-proc failure");
1668 if (hdw->hdw_desc->signal_routing_scheme ==
1669 PVR2_ROUTING_SCHEME_GOTVIEW) {
1670 /* Ensure that GPIO 11 is set to output for GOTVIEW
1672 pvr2_hdw_gpio_chg_dir(hdw,(1 << 11),~0);
1678 static const char *pvr2_get_state_name(unsigned int st)
1680 if (st < ARRAY_SIZE(pvr2_state_names)) {
1681 return pvr2_state_names[st];
1686 static int pvr2_decoder_enable(struct pvr2_hdw *hdw,int enablefl)
1688 /* Even though we really only care about the video decoder chip at
1689 this point, we'll broadcast stream on/off to all sub-devices
1690 anyway, just in case somebody else wants to hear the
1692 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 stream=%s",
1693 (enablefl ? "on" : "off"));
1694 v4l2_device_call_all(&hdw->v4l2_dev, 0, video, s_stream, enablefl);
1695 if (hdw->decoder_client_id) {
1696 /* We get here if the encoder has been noticed. Otherwise
1697 we'll issue a warning to the user (which should
1698 normally never happen). */
1701 if (!hdw->flag_decoder_missed) {
1702 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1703 "WARNING: No decoder present");
1704 hdw->flag_decoder_missed = !0;
1705 trace_stbit("flag_decoder_missed",
1706 hdw->flag_decoder_missed);
1712 int pvr2_hdw_get_state(struct pvr2_hdw *hdw)
1714 return hdw->master_state;
1718 static int pvr2_hdw_untrip_unlocked(struct pvr2_hdw *hdw)
1720 if (!hdw->flag_tripped) return 0;
1721 hdw->flag_tripped = 0;
1722 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1723 "Clearing driver error statuss");
1728 int pvr2_hdw_untrip(struct pvr2_hdw *hdw)
1731 LOCK_TAKE(hdw->big_lock); do {
1732 fl = pvr2_hdw_untrip_unlocked(hdw);
1733 } while (0); LOCK_GIVE(hdw->big_lock);
1734 if (fl) pvr2_hdw_state_sched(hdw);
1741 int pvr2_hdw_get_streaming(struct pvr2_hdw *hdw)
1743 return hdw->state_pipeline_req != 0;
1747 int pvr2_hdw_set_streaming(struct pvr2_hdw *hdw,int enable_flag)
1750 LOCK_TAKE(hdw->big_lock); do {
1751 pvr2_hdw_untrip_unlocked(hdw);
1752 if ((!enable_flag) != !(hdw->state_pipeline_req)) {
1753 hdw->state_pipeline_req = enable_flag != 0;
1754 pvr2_trace(PVR2_TRACE_START_STOP,
1755 "/*--TRACE_STREAM--*/ %s",
1756 enable_flag ? "enable" : "disable");
1758 pvr2_hdw_state_sched(hdw);
1759 } while (0); LOCK_GIVE(hdw->big_lock);
1760 if ((ret = pvr2_hdw_wait(hdw,0)) < 0) return ret;
1762 while ((st = hdw->master_state) != PVR2_STATE_RUN) {
1763 if (st != PVR2_STATE_READY) return -EIO;
1764 if ((ret = pvr2_hdw_wait(hdw,st)) < 0) return ret;
1771 int pvr2_hdw_set_stream_type(struct pvr2_hdw *hdw,enum pvr2_config config)
1774 LOCK_TAKE(hdw->big_lock);
1775 if ((fl = (hdw->desired_stream_type != config)) != 0) {
1776 hdw->desired_stream_type = config;
1777 hdw->state_pipeline_config = 0;
1778 trace_stbit("state_pipeline_config",
1779 hdw->state_pipeline_config);
1780 pvr2_hdw_state_sched(hdw);
1782 LOCK_GIVE(hdw->big_lock);
1784 return pvr2_hdw_wait(hdw,0);
1788 static int get_default_tuner_type(struct pvr2_hdw *hdw)
1790 int unit_number = hdw->unit_number;
1792 if ((unit_number >= 0) && (unit_number < PVR_NUM)) {
1793 tp = tuner[unit_number];
1795 if (tp < 0) return -EINVAL;
1796 hdw->tuner_type = tp;
1797 hdw->tuner_updated = !0;
1802 static v4l2_std_id get_default_standard(struct pvr2_hdw *hdw)
1804 int unit_number = hdw->unit_number;
1806 if ((unit_number >= 0) && (unit_number < PVR_NUM)) {
1807 tp = video_std[unit_number];
1814 static unsigned int get_default_error_tolerance(struct pvr2_hdw *hdw)
1816 int unit_number = hdw->unit_number;
1818 if ((unit_number >= 0) && (unit_number < PVR_NUM)) {
1819 tp = tolerance[unit_number];
1825 static int pvr2_hdw_check_firmware(struct pvr2_hdw *hdw)
1827 /* Try a harmless request to fetch the eeprom's address over
1828 endpoint 1. See what happens. Only the full FX2 image can
1829 respond to this. If this probe fails then likely the FX2
1830 firmware needs be loaded. */
1832 LOCK_TAKE(hdw->ctl_lock); do {
1833 hdw->cmd_buffer[0] = FX2CMD_GET_EEPROM_ADDR;
1834 result = pvr2_send_request_ex(hdw,HZ*1,!0,
1837 if (result < 0) break;
1838 } while(0); LOCK_GIVE(hdw->ctl_lock);
1840 pvr2_trace(PVR2_TRACE_INIT,
1841 "Probe of device endpoint 1 result status %d",
1844 pvr2_trace(PVR2_TRACE_INIT,
1845 "Probe of device endpoint 1 succeeded");
1850 struct pvr2_std_hack {
1851 v4l2_std_id pat; /* Pattern to match */
1852 v4l2_std_id msk; /* Which bits we care about */
1853 v4l2_std_id std; /* What additional standards or default to set */
1856 /* This data structure labels specific combinations of standards from
1857 tveeprom that we'll try to recognize. If we recognize one, then assume
1858 a specified default standard to use. This is here because tveeprom only
1859 tells us about available standards not the intended default standard (if
1860 any) for the device in question. We guess the default based on what has
1861 been reported as available. Note that this is only for guessing a
1862 default - which can always be overridden explicitly - and if the user
1863 has otherwise named a default then that default will always be used in
1864 place of this table. */
1865 static const struct pvr2_std_hack std_eeprom_maps[] = {
1867 .pat = V4L2_STD_B|V4L2_STD_GH,
1868 .std = V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_PAL_G,
1872 .std = V4L2_STD_NTSC_M,
1875 .pat = V4L2_STD_PAL_I,
1876 .std = V4L2_STD_PAL_I,
1879 .pat = V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC,
1880 .std = V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC,
1884 .std = V4L2_STD_PAL_D|V4L2_STD_PAL_D1|V4L2_STD_PAL_K,
1888 static void pvr2_hdw_setup_std(struct pvr2_hdw *hdw)
1892 v4l2_std_id std1,std2,std3;
1894 std1 = get_default_standard(hdw);
1895 std3 = std1 ? 0 : hdw->hdw_desc->default_std_mask;
1897 bcnt = pvr2_std_id_to_str(buf,sizeof(buf),hdw->std_mask_eeprom);
1898 pvr2_trace(PVR2_TRACE_STD,
1899 "Supported video standard(s) reported available"
1900 " in hardware: %.*s",
1903 hdw->std_mask_avail = hdw->std_mask_eeprom;
1905 std2 = (std1|std3) & ~hdw->std_mask_avail;
1907 bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std2);
1908 pvr2_trace(PVR2_TRACE_STD,
1909 "Expanding supported video standards"
1910 " to include: %.*s",
1912 hdw->std_mask_avail |= std2;
1915 pvr2_hdw_internal_set_std_avail(hdw);
1918 bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std1);
1919 pvr2_trace(PVR2_TRACE_STD,
1920 "Initial video standard forced to %.*s",
1922 hdw->std_mask_cur = std1;
1923 hdw->std_dirty = !0;
1924 pvr2_hdw_internal_find_stdenum(hdw);
1928 bcnt = pvr2_std_id_to_str(buf,sizeof(buf),std3);
1929 pvr2_trace(PVR2_TRACE_STD,
1930 "Initial video standard"
1931 " (determined by device type): %.*s",bcnt,buf);
1932 hdw->std_mask_cur = std3;
1933 hdw->std_dirty = !0;
1934 pvr2_hdw_internal_find_stdenum(hdw);
1940 for (idx = 0; idx < ARRAY_SIZE(std_eeprom_maps); idx++) {
1941 if (std_eeprom_maps[idx].msk ?
1942 ((std_eeprom_maps[idx].pat ^
1943 hdw->std_mask_eeprom) &
1944 std_eeprom_maps[idx].msk) :
1945 (std_eeprom_maps[idx].pat !=
1946 hdw->std_mask_eeprom)) continue;
1947 bcnt = pvr2_std_id_to_str(buf,sizeof(buf),
1948 std_eeprom_maps[idx].std);
1949 pvr2_trace(PVR2_TRACE_STD,
1950 "Initial video standard guessed as %.*s",
1952 hdw->std_mask_cur = std_eeprom_maps[idx].std;
1953 hdw->std_dirty = !0;
1954 pvr2_hdw_internal_find_stdenum(hdw);
1959 if (hdw->std_enum_cnt > 1) {
1960 // Autoselect the first listed standard
1961 hdw->std_enum_cur = 1;
1962 hdw->std_mask_cur = hdw->std_defs[hdw->std_enum_cur-1].id;
1963 hdw->std_dirty = !0;
1964 pvr2_trace(PVR2_TRACE_STD,
1965 "Initial video standard auto-selected to %s",
1966 hdw->std_defs[hdw->std_enum_cur-1].name);
1970 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
1971 "Unable to select a viable initial video standard");
1975 static unsigned int pvr2_copy_i2c_addr_list(
1976 unsigned short *dst, const unsigned char *src,
1977 unsigned int dst_max)
1979 unsigned int cnt = 0;
1981 while (src[cnt] && (cnt + 1) < dst_max) {
1982 dst[cnt] = src[cnt];
1985 dst[cnt] = I2C_CLIENT_END;
1990 static void pvr2_hdw_cx25840_vbi_hack(struct pvr2_hdw *hdw)
1993 Mike Isely <isely@pobox.com> 19-Nov-2006 - This bit of nuttiness
1994 for cx25840 causes that module to correctly set up its video
1995 scaling. This is really a problem in the cx25840 module itself,
1996 but we work around it here. The problem has not been seen in
1997 ivtv because there VBI is supported and set up. We don't do VBI
1998 here (at least not yet) and thus we never attempted to even set
2001 struct v4l2_format fmt;
2002 if (hdw->decoder_client_id != PVR2_CLIENT_ID_CX25840) {
2003 /* We're not using a cx25840 so don't enable the hack */
2007 pvr2_trace(PVR2_TRACE_INIT,
2009 " Executing cx25840 VBI hack",
2010 hdw->decoder_client_id);
2011 memset(&fmt, 0, sizeof(fmt));
2012 fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
2013 v4l2_device_call_all(&hdw->v4l2_dev, hdw->decoder_client_id,
2014 video, s_fmt, &fmt);
2018 static int pvr2_hdw_load_subdev(struct pvr2_hdw *hdw,
2019 const struct pvr2_device_client_desc *cd)
2023 struct v4l2_subdev *sd;
2024 unsigned int i2ccnt;
2025 const unsigned char *p;
2026 /* Arbitrary count - max # i2c addresses we will probe */
2027 unsigned short i2caddr[25];
2029 mid = cd->module_id;
2030 fname = (mid < ARRAY_SIZE(module_names)) ? module_names[mid] : NULL;
2032 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2033 "Module ID %u for device %s has no name",
2035 hdw->hdw_desc->description);
2038 pvr2_trace(PVR2_TRACE_INIT,
2039 "Module ID %u (%s) for device %s being loaded...",
2041 hdw->hdw_desc->description);
2043 i2ccnt = pvr2_copy_i2c_addr_list(i2caddr, cd->i2c_address_list,
2044 ARRAY_SIZE(i2caddr));
2045 if (!i2ccnt && ((p = (mid < ARRAY_SIZE(module_i2c_addresses)) ?
2046 module_i2c_addresses[mid] : NULL) != NULL)) {
2047 /* Second chance: Try default i2c address list */
2048 i2ccnt = pvr2_copy_i2c_addr_list(i2caddr, p,
2049 ARRAY_SIZE(i2caddr));
2051 pvr2_trace(PVR2_TRACE_INIT,
2053 " Using default i2c address list",
2059 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2060 "Module ID %u (%s) for device %s:"
2061 " No i2c addresses",
2062 mid, fname, hdw->hdw_desc->description);
2066 /* Note how the 2nd and 3rd arguments are the same for both
2067 * v4l2_i2c_new_subdev() and v4l2_i2c_new_probed_subdev(). Why?
2068 * Well the 2nd argument is the module name to load, while the 3rd
2069 * argument is documented in the framework as being the "chipid" -
2070 * and every other place where I can find examples of this, the
2071 * "chipid" appears to just be the module name again. So here we
2072 * just do the same thing. */
2074 pvr2_trace(PVR2_TRACE_INIT,
2076 " Setting up with specified i2c address 0x%x",
2078 sd = v4l2_i2c_new_subdev(&hdw->v4l2_dev, &hdw->i2c_adap,
2082 pvr2_trace(PVR2_TRACE_INIT,
2084 " Setting up with address probe list",
2086 sd = v4l2_i2c_new_probed_subdev(&hdw->v4l2_dev, &hdw->i2c_adap,
2092 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2093 "Module ID %u (%s) for device %s failed to load",
2094 mid, fname, hdw->hdw_desc->description);
2098 /* Tag this sub-device instance with the module ID we know about.
2099 In other places we'll use that tag to determine if the instance
2100 requires special handling. */
2103 pvr2_trace(PVR2_TRACE_INFO, "Attached sub-driver %s", fname);
2106 /* client-specific setup... */
2108 case PVR2_CLIENT_ID_CX25840:
2109 case PVR2_CLIENT_ID_SAA7115:
2110 hdw->decoder_client_id = mid;
2119 static void pvr2_hdw_load_modules(struct pvr2_hdw *hdw)
2122 const struct pvr2_string_table *cm;
2123 const struct pvr2_device_client_table *ct;
2126 cm = &hdw->hdw_desc->client_modules;
2127 for (idx = 0; idx < cm->cnt; idx++) {
2128 request_module(cm->lst[idx]);
2131 ct = &hdw->hdw_desc->client_table;
2132 for (idx = 0; idx < ct->cnt; idx++) {
2133 if (pvr2_hdw_load_subdev(hdw, &ct->lst[idx]) < 0) okFl = 0;
2135 if (!okFl) pvr2_hdw_render_useless(hdw);
2139 static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
2143 struct pvr2_ctrl *cptr;
2145 if (hdw->hdw_desc->fx2_firmware.cnt) {
2148 (hdw->usb_intf->cur_altsetting->desc.bNumEndpoints
2151 pvr2_trace(PVR2_TRACE_INIT,
2152 "USB endpoint config looks strange"
2153 "; possibly firmware needs to be"
2158 reloadFl = !pvr2_hdw_check_firmware(hdw);
2160 pvr2_trace(PVR2_TRACE_INIT,
2161 "Check for FX2 firmware failed"
2162 "; possibly firmware needs to be"
2167 if (pvr2_upload_firmware1(hdw) != 0) {
2168 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2169 "Failure uploading firmware1");
2174 hdw->fw1_state = FW1_STATE_OK;
2176 if (!pvr2_hdw_dev_ok(hdw)) return;
2178 hdw->force_dirty = !0;
2180 if (!hdw->hdw_desc->flag_no_powerup) {
2181 pvr2_hdw_cmd_powerup(hdw);
2182 if (!pvr2_hdw_dev_ok(hdw)) return;
2185 /* Take the IR chip out of reset, if appropriate */
2186 if (hdw->ir_scheme_active == PVR2_IR_SCHEME_ZILOG) {
2187 pvr2_issue_simple_cmd(hdw,
2188 FX2CMD_HCW_ZILOG_RESET |
2193 // This step MUST happen after the earlier powerup step.
2194 pvr2_i2c_core_init(hdw);
2195 if (!pvr2_hdw_dev_ok(hdw)) return;
2197 pvr2_hdw_load_modules(hdw);
2198 if (!pvr2_hdw_dev_ok(hdw)) return;
2200 v4l2_device_call_all(&hdw->v4l2_dev, 0, core, load_fw);
2202 for (idx = 0; idx < CTRLDEF_COUNT; idx++) {
2203 cptr = hdw->controls + idx;
2204 if (cptr->info->skip_init) continue;
2205 if (!cptr->info->set_value) continue;
2206 cptr->info->set_value(cptr,~0,cptr->info->default_value);
2209 pvr2_hdw_cx25840_vbi_hack(hdw);
2211 /* Set up special default values for the television and radio
2212 frequencies here. It's not really important what these defaults
2213 are, but I set them to something usable in the Chicago area just
2214 to make driver testing a little easier. */
2216 hdw->freqValTelevision = default_tv_freq;
2217 hdw->freqValRadio = default_radio_freq;
2219 // Do not use pvr2_reset_ctl_endpoints() here. It is not
2220 // thread-safe against the normal pvr2_send_request() mechanism.
2221 // (We should make it thread safe).
2223 if (hdw->hdw_desc->flag_has_hauppauge_rom) {
2224 ret = pvr2_hdw_get_eeprom_addr(hdw);
2225 if (!pvr2_hdw_dev_ok(hdw)) return;
2227 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2228 "Unable to determine location of eeprom,"
2231 hdw->eeprom_addr = ret;
2232 pvr2_eeprom_analyze(hdw);
2233 if (!pvr2_hdw_dev_ok(hdw)) return;
2236 hdw->tuner_type = hdw->hdw_desc->default_tuner_type;
2237 hdw->tuner_updated = !0;
2238 hdw->std_mask_eeprom = V4L2_STD_ALL;
2241 if (hdw->serial_number) {
2242 idx = scnprintf(hdw->identifier, sizeof(hdw->identifier) - 1,
2243 "sn-%lu", hdw->serial_number);
2244 } else if (hdw->unit_number >= 0) {
2245 idx = scnprintf(hdw->identifier, sizeof(hdw->identifier) - 1,
2247 hdw->unit_number + 'a');
2249 idx = scnprintf(hdw->identifier, sizeof(hdw->identifier) - 1,
2252 hdw->identifier[idx] = 0;
2254 pvr2_hdw_setup_std(hdw);
2256 if (!get_default_tuner_type(hdw)) {
2257 pvr2_trace(PVR2_TRACE_INIT,
2258 "pvr2_hdw_setup: Tuner type overridden to %d",
2263 if (!pvr2_hdw_dev_ok(hdw)) return;
2265 if (hdw->hdw_desc->signal_routing_scheme ==
2266 PVR2_ROUTING_SCHEME_GOTVIEW) {
2267 /* Ensure that GPIO 11 is set to output for GOTVIEW
2269 pvr2_hdw_gpio_chg_dir(hdw,(1 << 11),~0);
2272 pvr2_hdw_commit_setup(hdw);
2274 hdw->vid_stream = pvr2_stream_create();
2275 if (!pvr2_hdw_dev_ok(hdw)) return;
2276 pvr2_trace(PVR2_TRACE_INIT,
2277 "pvr2_hdw_setup: video stream is %p",hdw->vid_stream);
2278 if (hdw->vid_stream) {
2279 idx = get_default_error_tolerance(hdw);
2281 pvr2_trace(PVR2_TRACE_INIT,
2282 "pvr2_hdw_setup: video stream %p"
2283 " setting tolerance %u",
2284 hdw->vid_stream,idx);
2286 pvr2_stream_setup(hdw->vid_stream,hdw->usb_dev,
2287 PVR2_VID_ENDPOINT,idx);
2290 if (!pvr2_hdw_dev_ok(hdw)) return;
2292 hdw->flag_init_ok = !0;
2294 pvr2_hdw_state_sched(hdw);
2298 /* Set up the structure and attempt to put the device into a usable state.
2299 This can be a time-consuming operation, which is why it is not done
2300 internally as part of the create() step. */
2301 static void pvr2_hdw_setup(struct pvr2_hdw *hdw)
2303 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_setup(hdw=%p) begin",hdw);
2305 pvr2_hdw_setup_low(hdw);
2306 pvr2_trace(PVR2_TRACE_INIT,
2307 "pvr2_hdw_setup(hdw=%p) done, ok=%d init_ok=%d",
2308 hdw,pvr2_hdw_dev_ok(hdw),hdw->flag_init_ok);
2309 if (pvr2_hdw_dev_ok(hdw)) {
2310 if (hdw->flag_init_ok) {
2313 "Device initialization"
2314 " completed successfully.");
2317 if (hdw->fw1_state == FW1_STATE_RELOAD) {
2320 "Device microcontroller firmware"
2321 " (re)loaded; it should now reset"
2326 PVR2_TRACE_ERROR_LEGS,
2327 "Device initialization was not successful.");
2328 if (hdw->fw1_state == FW1_STATE_MISSING) {
2330 PVR2_TRACE_ERROR_LEGS,
2331 "Giving up since device"
2332 " microcontroller firmware"
2333 " appears to be missing.");
2339 PVR2_TRACE_ERROR_LEGS,
2340 "Attempting pvrusb2 recovery by reloading"
2341 " primary firmware.");
2343 PVR2_TRACE_ERROR_LEGS,
2344 "If this works, device should disconnect"
2345 " and reconnect in a sane state.");
2346 hdw->fw1_state = FW1_STATE_UNKNOWN;
2347 pvr2_upload_firmware1(hdw);
2350 PVR2_TRACE_ERROR_LEGS,
2351 "***WARNING*** pvrusb2 device hardware"
2352 " appears to be jammed"
2353 " and I can't clear it.");
2355 PVR2_TRACE_ERROR_LEGS,
2356 "You might need to power cycle"
2357 " the pvrusb2 device"
2358 " in order to recover.");
2361 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_setup(hdw=%p) end",hdw);
2365 /* Perform second stage initialization. Set callback pointer first so that
2366 we can avoid a possible initialization race (if the kernel thread runs
2367 before the callback has been set). */
2368 int pvr2_hdw_initialize(struct pvr2_hdw *hdw,
2369 void (*callback_func)(void *),
2370 void *callback_data)
2372 LOCK_TAKE(hdw->big_lock); do {
2373 if (hdw->flag_disconnected) {
2374 /* Handle a race here: If we're already
2375 disconnected by this point, then give up. If we
2376 get past this then we'll remain connected for
2377 the duration of initialization since the entire
2378 initialization sequence is now protected by the
2382 hdw->state_data = callback_data;
2383 hdw->state_func = callback_func;
2384 pvr2_hdw_setup(hdw);
2385 } while (0); LOCK_GIVE(hdw->big_lock);
2386 return hdw->flag_init_ok;
2390 /* Create, set up, and return a structure for interacting with the
2391 underlying hardware. */
2392 struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
2393 const struct usb_device_id *devid)
2395 unsigned int idx,cnt1,cnt2,m;
2396 struct pvr2_hdw *hdw = NULL;
2398 struct pvr2_ctrl *cptr;
2399 struct usb_device *usb_dev;
2400 const struct pvr2_device_desc *hdw_desc;
2402 struct v4l2_queryctrl qctrl;
2403 struct pvr2_ctl_info *ciptr;
2405 usb_dev = interface_to_usbdev(intf);
2407 hdw_desc = (const struct pvr2_device_desc *)(devid->driver_info);
2409 if (hdw_desc == NULL) {
2410 pvr2_trace(PVR2_TRACE_INIT, "pvr2_hdw_create:"
2411 " No device description pointer,"
2412 " unable to continue.");
2413 pvr2_trace(PVR2_TRACE_INIT, "If you have a new device type,"
2414 " please contact Mike Isely <isely@pobox.com>"
2415 " to get it included in the driver\n");
2419 hdw = kzalloc(sizeof(*hdw),GFP_KERNEL);
2420 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_create: hdw=%p, type \"%s\"",
2421 hdw,hdw_desc->description);
2422 if (!hdw) goto fail;
2424 init_timer(&hdw->quiescent_timer);
2425 hdw->quiescent_timer.data = (unsigned long)hdw;
2426 hdw->quiescent_timer.function = pvr2_hdw_quiescent_timeout;
2428 init_timer(&hdw->encoder_wait_timer);
2429 hdw->encoder_wait_timer.data = (unsigned long)hdw;
2430 hdw->encoder_wait_timer.function = pvr2_hdw_encoder_wait_timeout;
2432 init_timer(&hdw->encoder_run_timer);
2433 hdw->encoder_run_timer.data = (unsigned long)hdw;
2434 hdw->encoder_run_timer.function = pvr2_hdw_encoder_run_timeout;
2436 hdw->master_state = PVR2_STATE_DEAD;
2438 init_waitqueue_head(&hdw->state_wait_data);
2440 hdw->tuner_signal_stale = !0;
2441 cx2341x_fill_defaults(&hdw->enc_ctl_state);
2443 /* Calculate which inputs are OK */
2445 if (hdw_desc->flag_has_analogtuner) m |= 1 << PVR2_CVAL_INPUT_TV;
2446 if (hdw_desc->digital_control_scheme != PVR2_DIGITAL_SCHEME_NONE) {
2447 m |= 1 << PVR2_CVAL_INPUT_DTV;
2449 if (hdw_desc->flag_has_svideo) m |= 1 << PVR2_CVAL_INPUT_SVIDEO;
2450 if (hdw_desc->flag_has_composite) m |= 1 << PVR2_CVAL_INPUT_COMPOSITE;
2451 if (hdw_desc->flag_has_fmradio) m |= 1 << PVR2_CVAL_INPUT_RADIO;
2452 hdw->input_avail_mask = m;
2453 hdw->input_allowed_mask = hdw->input_avail_mask;
2455 /* If not a hybrid device, pathway_state never changes. So
2456 initialize it here to what it should forever be. */
2457 if (!(hdw->input_avail_mask & (1 << PVR2_CVAL_INPUT_DTV))) {
2458 hdw->pathway_state = PVR2_PATHWAY_ANALOG;
2459 } else if (!(hdw->input_avail_mask & (1 << PVR2_CVAL_INPUT_TV))) {
2460 hdw->pathway_state = PVR2_PATHWAY_DIGITAL;
2463 hdw->control_cnt = CTRLDEF_COUNT;
2464 hdw->control_cnt += MPEGDEF_COUNT;
2465 hdw->controls = kzalloc(sizeof(struct pvr2_ctrl) * hdw->control_cnt,
2467 if (!hdw->controls) goto fail;
2468 hdw->hdw_desc = hdw_desc;
2469 hdw->ir_scheme_active = hdw->hdw_desc->ir_scheme;
2470 for (idx = 0; idx < hdw->control_cnt; idx++) {
2471 cptr = hdw->controls + idx;
2474 for (idx = 0; idx < 32; idx++) {
2475 hdw->std_mask_ptrs[idx] = hdw->std_mask_names[idx];
2477 for (idx = 0; idx < CTRLDEF_COUNT; idx++) {
2478 cptr = hdw->controls + idx;
2479 cptr->info = control_defs+idx;
2482 /* Ensure that default input choice is a valid one. */
2483 m = hdw->input_avail_mask;
2484 if (m) for (idx = 0; idx < (sizeof(m) << 3); idx++) {
2485 if (!((1 << idx) & m)) continue;
2486 hdw->input_val = idx;
2490 /* Define and configure additional controls from cx2341x module. */
2491 hdw->mpeg_ctrl_info = kzalloc(
2492 sizeof(*(hdw->mpeg_ctrl_info)) * MPEGDEF_COUNT, GFP_KERNEL);
2493 if (!hdw->mpeg_ctrl_info) goto fail;
2494 for (idx = 0; idx < MPEGDEF_COUNT; idx++) {
2495 cptr = hdw->controls + idx + CTRLDEF_COUNT;
2496 ciptr = &(hdw->mpeg_ctrl_info[idx].info);
2497 ciptr->desc = hdw->mpeg_ctrl_info[idx].desc;
2498 ciptr->name = mpeg_ids[idx].strid;
2499 ciptr->v4l_id = mpeg_ids[idx].id;
2500 ciptr->skip_init = !0;
2501 ciptr->get_value = ctrl_cx2341x_get;
2502 ciptr->get_v4lflags = ctrl_cx2341x_getv4lflags;
2503 ciptr->is_dirty = ctrl_cx2341x_is_dirty;
2504 if (!idx) ciptr->clear_dirty = ctrl_cx2341x_clear_dirty;
2505 qctrl.id = ciptr->v4l_id;
2506 cx2341x_ctrl_query(&hdw->enc_ctl_state,&qctrl);
2507 if (!(qctrl.flags & V4L2_CTRL_FLAG_READ_ONLY)) {
2508 ciptr->set_value = ctrl_cx2341x_set;
2510 strncpy(hdw->mpeg_ctrl_info[idx].desc,qctrl.name,
2511 PVR2_CTLD_INFO_DESC_SIZE);
2512 hdw->mpeg_ctrl_info[idx].desc[PVR2_CTLD_INFO_DESC_SIZE-1] = 0;
2513 ciptr->default_value = qctrl.default_value;
2514 switch (qctrl.type) {
2516 case V4L2_CTRL_TYPE_INTEGER:
2517 ciptr->type = pvr2_ctl_int;
2518 ciptr->def.type_int.min_value = qctrl.minimum;
2519 ciptr->def.type_int.max_value = qctrl.maximum;
2521 case V4L2_CTRL_TYPE_BOOLEAN:
2522 ciptr->type = pvr2_ctl_bool;
2524 case V4L2_CTRL_TYPE_MENU:
2525 ciptr->type = pvr2_ctl_enum;
2526 ciptr->def.type_enum.value_names =
2527 cx2341x_ctrl_get_menu(&hdw->enc_ctl_state,
2530 ciptr->def.type_enum.value_names[cnt1] != NULL;
2532 ciptr->def.type_enum.count = cnt1;
2538 // Initialize video standard enum dynamic control
2539 cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDENUM);
2541 memcpy(&hdw->std_info_enum,cptr->info,
2542 sizeof(hdw->std_info_enum));
2543 cptr->info = &hdw->std_info_enum;
2546 // Initialize control data regarding video standard masks
2547 valid_std_mask = pvr2_std_get_usable();
2548 for (idx = 0; idx < 32; idx++) {
2549 if (!(valid_std_mask & (1 << idx))) continue;
2550 cnt1 = pvr2_std_id_to_str(
2551 hdw->std_mask_names[idx],
2552 sizeof(hdw->std_mask_names[idx])-1,
2554 hdw->std_mask_names[idx][cnt1] = 0;
2556 cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDAVAIL);
2558 memcpy(&hdw->std_info_avail,cptr->info,
2559 sizeof(hdw->std_info_avail));
2560 cptr->info = &hdw->std_info_avail;
2561 hdw->std_info_avail.def.type_bitmask.bit_names =
2563 hdw->std_info_avail.def.type_bitmask.valid_bits =
2566 cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDCUR);
2568 memcpy(&hdw->std_info_cur,cptr->info,
2569 sizeof(hdw->std_info_cur));
2570 cptr->info = &hdw->std_info_cur;
2571 hdw->std_info_cur.def.type_bitmask.bit_names =
2573 hdw->std_info_avail.def.type_bitmask.valid_bits =
2577 hdw->cropcap_stale = !0;
2578 hdw->eeprom_addr = -1;
2579 hdw->unit_number = -1;
2580 hdw->v4l_minor_number_video = -1;
2581 hdw->v4l_minor_number_vbi = -1;
2582 hdw->v4l_minor_number_radio = -1;
2583 hdw->ctl_write_buffer = kmalloc(PVR2_CTL_BUFFSIZE,GFP_KERNEL);
2584 if (!hdw->ctl_write_buffer) goto fail;
2585 hdw->ctl_read_buffer = kmalloc(PVR2_CTL_BUFFSIZE,GFP_KERNEL);
2586 if (!hdw->ctl_read_buffer) goto fail;
2587 hdw->ctl_write_urb = usb_alloc_urb(0,GFP_KERNEL);
2588 if (!hdw->ctl_write_urb) goto fail;
2589 hdw->ctl_read_urb = usb_alloc_urb(0,GFP_KERNEL);
2590 if (!hdw->ctl_read_urb) goto fail;
2592 if (v4l2_device_register(&intf->dev, &hdw->v4l2_dev) != 0) {
2593 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
2594 "Error registering with v4l core, giving up");
2597 mutex_lock(&pvr2_unit_mtx); do {
2598 for (idx = 0; idx < PVR_NUM; idx++) {
2599 if (unit_pointers[idx]) continue;
2600 hdw->unit_number = idx;
2601 unit_pointers[idx] = hdw;
2604 } while (0); mutex_unlock(&pvr2_unit_mtx);
2607 cnt2 = scnprintf(hdw->name+cnt1,sizeof(hdw->name)-cnt1,"pvrusb2");
2609 if (hdw->unit_number >= 0) {
2610 cnt2 = scnprintf(hdw->name+cnt1,sizeof(hdw->name)-cnt1,"_%c",
2611 ('a' + hdw->unit_number));
2614 if (cnt1 >= sizeof(hdw->name)) cnt1 = sizeof(hdw->name)-1;
2615 hdw->name[cnt1] = 0;
2617 hdw->workqueue = create_singlethread_workqueue(hdw->name);
2618 INIT_WORK(&hdw->workpoll,pvr2_hdw_worker_poll);
2620 pvr2_trace(PVR2_TRACE_INIT,"Driver unit number is %d, name is %s",
2621 hdw->unit_number,hdw->name);
2623 hdw->tuner_type = -1;
2626 hdw->usb_intf = intf;
2627 hdw->usb_dev = usb_dev;
2629 usb_make_path(hdw->usb_dev, hdw->bus_info, sizeof(hdw->bus_info));
2631 ifnum = hdw->usb_intf->cur_altsetting->desc.bInterfaceNumber;
2632 usb_set_interface(hdw->usb_dev,ifnum,0);
2634 mutex_init(&hdw->ctl_lock_mutex);
2635 mutex_init(&hdw->big_lock_mutex);
2640 del_timer_sync(&hdw->quiescent_timer);
2641 del_timer_sync(&hdw->encoder_run_timer);
2642 del_timer_sync(&hdw->encoder_wait_timer);
2643 if (hdw->workqueue) {
2644 flush_workqueue(hdw->workqueue);
2645 destroy_workqueue(hdw->workqueue);
2646 hdw->workqueue = NULL;
2648 usb_free_urb(hdw->ctl_read_urb);
2649 usb_free_urb(hdw->ctl_write_urb);
2650 kfree(hdw->ctl_read_buffer);
2651 kfree(hdw->ctl_write_buffer);
2652 kfree(hdw->controls);
2653 kfree(hdw->mpeg_ctrl_info);
2654 kfree(hdw->std_defs);
2655 kfree(hdw->std_enum_names);
2662 /* Remove _all_ associations between this driver and the underlying USB
2664 static void pvr2_hdw_remove_usb_stuff(struct pvr2_hdw *hdw)
2666 if (hdw->flag_disconnected) return;
2667 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_remove_usb_stuff: hdw=%p",hdw);
2668 if (hdw->ctl_read_urb) {
2669 usb_kill_urb(hdw->ctl_read_urb);
2670 usb_free_urb(hdw->ctl_read_urb);
2671 hdw->ctl_read_urb = NULL;
2673 if (hdw->ctl_write_urb) {
2674 usb_kill_urb(hdw->ctl_write_urb);
2675 usb_free_urb(hdw->ctl_write_urb);
2676 hdw->ctl_write_urb = NULL;
2678 if (hdw->ctl_read_buffer) {
2679 kfree(hdw->ctl_read_buffer);
2680 hdw->ctl_read_buffer = NULL;
2682 if (hdw->ctl_write_buffer) {
2683 kfree(hdw->ctl_write_buffer);
2684 hdw->ctl_write_buffer = NULL;
2686 hdw->flag_disconnected = !0;
2687 /* If we don't do this, then there will be a dangling struct device
2688 reference to our disappearing device persisting inside the V4L
2690 v4l2_device_disconnect(&hdw->v4l2_dev);
2691 hdw->usb_dev = NULL;
2692 hdw->usb_intf = NULL;
2693 pvr2_hdw_render_useless(hdw);
2697 /* Destroy hardware interaction structure */
2698 void pvr2_hdw_destroy(struct pvr2_hdw *hdw)
2701 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_destroy: hdw=%p",hdw);
2702 if (hdw->workqueue) {
2703 flush_workqueue(hdw->workqueue);
2704 destroy_workqueue(hdw->workqueue);
2705 hdw->workqueue = NULL;
2707 del_timer_sync(&hdw->quiescent_timer);
2708 del_timer_sync(&hdw->encoder_run_timer);
2709 del_timer_sync(&hdw->encoder_wait_timer);
2710 if (hdw->fw_buffer) {
2711 kfree(hdw->fw_buffer);
2712 hdw->fw_buffer = NULL;
2714 if (hdw->vid_stream) {
2715 pvr2_stream_destroy(hdw->vid_stream);
2716 hdw->vid_stream = NULL;
2718 pvr2_i2c_core_done(hdw);
2719 v4l2_device_unregister(&hdw->v4l2_dev);
2720 pvr2_hdw_remove_usb_stuff(hdw);
2721 mutex_lock(&pvr2_unit_mtx); do {
2722 if ((hdw->unit_number >= 0) &&
2723 (hdw->unit_number < PVR_NUM) &&
2724 (unit_pointers[hdw->unit_number] == hdw)) {
2725 unit_pointers[hdw->unit_number] = NULL;
2727 } while (0); mutex_unlock(&pvr2_unit_mtx);
2728 kfree(hdw->controls);
2729 kfree(hdw->mpeg_ctrl_info);
2730 kfree(hdw->std_defs);
2731 kfree(hdw->std_enum_names);
2736 int pvr2_hdw_dev_ok(struct pvr2_hdw *hdw)
2738 return (hdw && hdw->flag_ok);
2742 /* Called when hardware has been unplugged */
2743 void pvr2_hdw_disconnect(struct pvr2_hdw *hdw)
2745 pvr2_trace(PVR2_TRACE_INIT,"pvr2_hdw_disconnect(hdw=%p)",hdw);
2746 LOCK_TAKE(hdw->big_lock);
2747 LOCK_TAKE(hdw->ctl_lock);
2748 pvr2_hdw_remove_usb_stuff(hdw);
2749 LOCK_GIVE(hdw->ctl_lock);
2750 LOCK_GIVE(hdw->big_lock);
2754 // Attempt to autoselect an appropriate value for std_enum_cur given
2755 // whatever is currently in std_mask_cur
2756 static void pvr2_hdw_internal_find_stdenum(struct pvr2_hdw *hdw)
2759 for (idx = 1; idx < hdw->std_enum_cnt; idx++) {
2760 if (hdw->std_defs[idx-1].id == hdw->std_mask_cur) {
2761 hdw->std_enum_cur = idx;
2765 hdw->std_enum_cur = 0;
2769 // Calculate correct set of enumerated standards based on currently known
2770 // set of available standards bits.
2771 static void pvr2_hdw_internal_set_std_avail(struct pvr2_hdw *hdw)
2773 struct v4l2_standard *newstd;
2774 unsigned int std_cnt;
2777 newstd = pvr2_std_create_enum(&std_cnt,hdw->std_mask_avail);
2779 if (hdw->std_defs) {
2780 kfree(hdw->std_defs);
2781 hdw->std_defs = NULL;
2783 hdw->std_enum_cnt = 0;
2784 if (hdw->std_enum_names) {
2785 kfree(hdw->std_enum_names);
2786 hdw->std_enum_names = NULL;
2791 PVR2_TRACE_ERROR_LEGS,
2792 "WARNING: Failed to identify any viable standards");
2794 hdw->std_enum_names = kmalloc(sizeof(char *)*(std_cnt+1),GFP_KERNEL);
2795 hdw->std_enum_names[0] = "none";
2796 for (idx = 0; idx < std_cnt; idx++) {
2797 hdw->std_enum_names[idx+1] =
2800 // Set up the dynamic control for this standard
2801 hdw->std_info_enum.def.type_enum.value_names = hdw->std_enum_names;
2802 hdw->std_info_enum.def.type_enum.count = std_cnt+1;
2803 hdw->std_defs = newstd;
2804 hdw->std_enum_cnt = std_cnt+1;
2805 hdw->std_enum_cur = 0;
2806 hdw->std_info_cur.def.type_bitmask.valid_bits = hdw->std_mask_avail;
2810 int pvr2_hdw_get_stdenum_value(struct pvr2_hdw *hdw,
2811 struct v4l2_standard *std,
2815 if (!idx) return ret;
2816 LOCK_TAKE(hdw->big_lock); do {
2817 if (idx >= hdw->std_enum_cnt) break;
2819 memcpy(std,hdw->std_defs+idx,sizeof(*std));
2821 } while (0); LOCK_GIVE(hdw->big_lock);
2826 /* Get the number of defined controls */
2827 unsigned int pvr2_hdw_get_ctrl_count(struct pvr2_hdw *hdw)
2829 return hdw->control_cnt;
2833 /* Retrieve a control handle given its index (0..count-1) */
2834 struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_index(struct pvr2_hdw *hdw,
2837 if (idx >= hdw->control_cnt) return NULL;
2838 return hdw->controls + idx;
2842 /* Retrieve a control handle given its index (0..count-1) */
2843 struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_id(struct pvr2_hdw *hdw,
2844 unsigned int ctl_id)
2846 struct pvr2_ctrl *cptr;
2850 /* This could be made a lot more efficient, but for now... */
2851 for (idx = 0; idx < hdw->control_cnt; idx++) {
2852 cptr = hdw->controls + idx;
2853 i = cptr->info->internal_id;
2854 if (i && (i == ctl_id)) return cptr;
2860 /* Given a V4L ID, retrieve the control structure associated with it. */
2861 struct pvr2_ctrl *pvr2_hdw_get_ctrl_v4l(struct pvr2_hdw *hdw,unsigned int ctl_id)
2863 struct pvr2_ctrl *cptr;
2867 /* This could be made a lot more efficient, but for now... */
2868 for (idx = 0; idx < hdw->control_cnt; idx++) {
2869 cptr = hdw->controls + idx;
2870 i = cptr->info->v4l_id;
2871 if (i && (i == ctl_id)) return cptr;
2877 /* Given a V4L ID for its immediate predecessor, retrieve the control
2878 structure associated with it. */
2879 struct pvr2_ctrl *pvr2_hdw_get_ctrl_nextv4l(struct pvr2_hdw *hdw,
2880 unsigned int ctl_id)
2882 struct pvr2_ctrl *cptr,*cp2;
2886 /* This could be made a lot more efficient, but for now... */
2888 for (idx = 0; idx < hdw->control_cnt; idx++) {
2889 cptr = hdw->controls + idx;
2890 i = cptr->info->v4l_id;
2892 if (i <= ctl_id) continue;
2893 if (cp2 && (cp2->info->v4l_id < i)) continue;
2901 static const char *get_ctrl_typename(enum pvr2_ctl_type tp)
2904 case pvr2_ctl_int: return "integer";
2905 case pvr2_ctl_enum: return "enum";
2906 case pvr2_ctl_bool: return "boolean";
2907 case pvr2_ctl_bitmask: return "bitmask";
2913 static void pvr2_subdev_set_control(struct pvr2_hdw *hdw, int id,
2914 const char *name, int val)
2916 struct v4l2_control ctrl;
2917 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 %s=%d", name, val);
2918 memset(&ctrl, 0, sizeof(ctrl));
2921 v4l2_device_call_all(&hdw->v4l2_dev, 0, core, s_ctrl, &ctrl);
2924 #define PVR2_SUBDEV_SET_CONTROL(hdw, id, lab) \
2925 if ((hdw)->lab##_dirty || (hdw)->force_dirty) { \
2926 pvr2_subdev_set_control(hdw, id, #lab, (hdw)->lab##_val); \
2929 /* Execute whatever commands are required to update the state of all the
2930 sub-devices so that they match our current control values. */
2931 static void pvr2_subdev_update(struct pvr2_hdw *hdw)
2933 struct v4l2_subdev *sd;
2935 pvr2_subdev_update_func fp;
2937 pvr2_trace(PVR2_TRACE_CHIPS, "subdev update...");
2939 if (hdw->tuner_updated || hdw->force_dirty) {
2940 struct tuner_setup setup;
2941 pvr2_trace(PVR2_TRACE_CHIPS, "subdev tuner set_type(%d)",
2943 if (((int)(hdw->tuner_type)) >= 0) {
2944 memset(&setup, 0, sizeof(setup));
2945 setup.addr = ADDR_UNSET;
2946 setup.type = hdw->tuner_type;
2947 setup.mode_mask = T_RADIO | T_ANALOG_TV;
2948 v4l2_device_call_all(&hdw->v4l2_dev, 0,
2949 tuner, s_type_addr, &setup);
2953 if (hdw->input_dirty || hdw->std_dirty || hdw->force_dirty) {
2954 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_standard");
2955 if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
2956 v4l2_device_call_all(&hdw->v4l2_dev, 0,
2960 vs = hdw->std_mask_cur;
2961 v4l2_device_call_all(&hdw->v4l2_dev, 0,
2964 hdw->tuner_signal_stale = !0;
2965 hdw->cropcap_stale = !0;
2968 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_BRIGHTNESS, brightness);
2969 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_CONTRAST, contrast);
2970 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_SATURATION, saturation);
2971 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_HUE, hue);
2972 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_MUTE, mute);
2973 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_VOLUME, volume);
2974 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_BALANCE, balance);
2975 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_BASS, bass);
2976 PVR2_SUBDEV_SET_CONTROL(hdw, V4L2_CID_AUDIO_TREBLE, treble);
2978 if (hdw->input_dirty || hdw->audiomode_dirty || hdw->force_dirty) {
2979 struct v4l2_tuner vt;
2980 memset(&vt, 0, sizeof(vt));
2981 vt.audmode = hdw->audiomode_val;
2982 v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner, s_tuner, &vt);
2985 if (hdw->freqDirty || hdw->force_dirty) {
2987 struct v4l2_frequency freq;
2988 fv = pvr2_hdw_get_cur_freq(hdw);
2989 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_freq(%lu)", fv);
2990 if (hdw->tuner_signal_stale) pvr2_hdw_status_poll(hdw);
2991 memset(&freq, 0, sizeof(freq));
2992 if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
2993 /* ((fv * 1000) / 62500) */
2994 freq.frequency = (fv * 2) / 125;
2996 freq.frequency = fv / 62500;
2998 /* tuner-core currently doesn't seem to care about this, but
2999 let's set it anyway for completeness. */
3000 if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
3001 freq.type = V4L2_TUNER_RADIO;
3003 freq.type = V4L2_TUNER_ANALOG_TV;
3006 v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner,
3007 s_frequency, &freq);
3010 if (hdw->res_hor_dirty || hdw->res_ver_dirty || hdw->force_dirty) {
3011 struct v4l2_format fmt;
3012 memset(&fmt, 0, sizeof(fmt));
3013 fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
3014 fmt.fmt.pix.width = hdw->res_hor_val;
3015 fmt.fmt.pix.height = hdw->res_ver_val;
3016 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_size(%dx%d)",
3017 fmt.fmt.pix.width, fmt.fmt.pix.height);
3018 v4l2_device_call_all(&hdw->v4l2_dev, 0, video, s_fmt, &fmt);
3021 if (hdw->srate_dirty || hdw->force_dirty) {
3023 pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_audio %d",
3025 switch (hdw->srate_val) {
3027 case V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000:
3030 case V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100:
3033 case V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000:
3037 v4l2_device_call_all(&hdw->v4l2_dev, 0,
3038 audio, s_clock_freq, val);
3041 /* Unable to set crop parameters; there is apparently no equivalent
3042 for VIDIOC_S_CROP */
3044 v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) {
3046 if (id >= ARRAY_SIZE(pvr2_module_update_functions)) continue;
3047 fp = pvr2_module_update_functions[id];
3052 if (hdw->tuner_signal_stale || hdw->cropcap_stale) {
3053 pvr2_hdw_status_poll(hdw);
3058 /* Figure out if we need to commit control changes. If so, mark internal
3059 state flags to indicate this fact and return true. Otherwise do nothing
3060 else and return false. */
3061 static int pvr2_hdw_commit_setup(struct pvr2_hdw *hdw)
3064 struct pvr2_ctrl *cptr;
3066 int commit_flag = hdw->force_dirty;
3068 unsigned int bcnt,ccnt;
3070 for (idx = 0; idx < hdw->control_cnt; idx++) {
3071 cptr = hdw->controls + idx;
3072 if (!cptr->info->is_dirty) continue;
3073 if (!cptr->info->is_dirty(cptr)) continue;
3076 if (!(pvrusb2_debug & PVR2_TRACE_CTL)) continue;
3077 bcnt = scnprintf(buf,sizeof(buf),"\"%s\" <-- ",
3080 cptr->info->get_value(cptr,&value);
3081 pvr2_ctrl_value_to_sym_internal(cptr,~0,value,
3083 sizeof(buf)-bcnt,&ccnt);
3085 bcnt += scnprintf(buf+bcnt,sizeof(buf)-bcnt," <%s>",
3086 get_ctrl_typename(cptr->info->type));
3087 pvr2_trace(PVR2_TRACE_CTL,
3088 "/*--TRACE_COMMIT--*/ %.*s",
3093 /* Nothing has changed */
3097 hdw->state_pipeline_config = 0;
3098 trace_stbit("state_pipeline_config",hdw->state_pipeline_config);
3099 pvr2_hdw_state_sched(hdw);
3105 /* Perform all operations needed to commit all control changes. This must
3106 be performed in synchronization with the pipeline state and is thus
3107 expected to be called as part of the driver's worker thread. Return
3108 true if commit successful, otherwise return false to indicate that
3109 commit isn't possible at this time. */
3110 static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw)
3113 struct pvr2_ctrl *cptr;
3114 int disruptive_change;
3116 /* Handle some required side effects when the video standard is
3118 if (hdw->std_dirty) {
3121 if (hdw->std_mask_cur & V4L2_STD_525_60) {
3128 /* Rewrite the vertical resolution to be appropriate to the
3129 video standard that has been selected. */
3130 if (nvres != hdw->res_ver_val) {
3131 hdw->res_ver_val = nvres;
3132 hdw->res_ver_dirty = !0;
3134 /* Rewrite the GOP size to be appropriate to the video
3135 standard that has been selected. */
3136 if (gop_size != hdw->enc_ctl_state.video_gop_size) {
3137 struct v4l2_ext_controls cs;
3138 struct v4l2_ext_control c1;
3139 memset(&cs, 0, sizeof(cs));
3140 memset(&c1, 0, sizeof(c1));
3143 c1.id = V4L2_CID_MPEG_VIDEO_GOP_SIZE;
3144 c1.value = gop_size;
3145 cx2341x_ext_ctrls(&hdw->enc_ctl_state, 0, &cs,
3146 VIDIOC_S_EXT_CTRLS);
3150 if (hdw->input_dirty && hdw->state_pathway_ok &&
3151 (((hdw->input_val == PVR2_CVAL_INPUT_DTV) ?
3152 PVR2_PATHWAY_DIGITAL : PVR2_PATHWAY_ANALOG) !=
3153 hdw->pathway_state)) {
3154 /* Change of mode being asked for... */
3155 hdw->state_pathway_ok = 0;
3156 trace_stbit("state_pathway_ok",hdw->state_pathway_ok);
3158 if (!hdw->state_pathway_ok) {
3159 /* Can't commit anything until pathway is ok. */
3162 /* The broadcast decoder can only scale down, so if
3163 * res_*_dirty && crop window < output format ==> enlarge crop.
3165 * The mpeg encoder receives fields of res_hor_val dots and
3166 * res_ver_val halflines. Limits: hor<=720, ver<=576.
3168 if (hdw->res_hor_dirty && hdw->cropw_val < hdw->res_hor_val) {
3169 hdw->cropw_val = hdw->res_hor_val;
3170 hdw->cropw_dirty = !0;
3171 } else if (hdw->cropw_dirty) {
3172 hdw->res_hor_dirty = !0; /* must rescale */
3173 hdw->res_hor_val = min(720, hdw->cropw_val);
3175 if (hdw->res_ver_dirty && hdw->croph_val < hdw->res_ver_val) {
3176 hdw->croph_val = hdw->res_ver_val;
3177 hdw->croph_dirty = !0;
3178 } else if (hdw->croph_dirty) {
3179 int nvres = hdw->std_mask_cur & V4L2_STD_525_60 ? 480 : 576;
3180 hdw->res_ver_dirty = !0;
3181 hdw->res_ver_val = min(nvres, hdw->croph_val);
3184 /* If any of the below has changed, then we can't do the update
3185 while the pipeline is running. Pipeline must be paused first
3186 and decoder -> encoder connection be made quiescent before we
3190 hdw->enc_unsafe_stale ||
3192 hdw->res_ver_dirty ||
3193 hdw->res_hor_dirty ||
3197 (hdw->active_stream_type != hdw->desired_stream_type));
3198 if (disruptive_change && !hdw->state_pipeline_idle) {
3199 /* Pipeline is not idle; we can't proceed. Arrange to
3200 cause pipeline to stop so that we can try this again
3202 hdw->state_pipeline_pause = !0;
3206 if (hdw->srate_dirty) {
3207 /* Write new sample rate into control structure since
3208 * the master copy is stale. We must track srate
3209 * separate from the mpeg control structure because
3210 * other logic also uses this value. */
3211 struct v4l2_ext_controls cs;
3212 struct v4l2_ext_control c1;
3213 memset(&cs,0,sizeof(cs));
3214 memset(&c1,0,sizeof(c1));
3217 c1.id = V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ;
3218 c1.value = hdw->srate_val;
3219 cx2341x_ext_ctrls(&hdw->enc_ctl_state, 0, &cs,VIDIOC_S_EXT_CTRLS);
3222 if (hdw->active_stream_type != hdw->desired_stream_type) {
3223 /* Handle any side effects of stream config here */
3224 hdw->active_stream_type = hdw->desired_stream_type;
3227 if (hdw->hdw_desc->signal_routing_scheme ==
3228 PVR2_ROUTING_SCHEME_GOTVIEW) {
3230 /* Handle GOTVIEW audio switching */
3231 pvr2_hdw_gpio_get_out(hdw,&b);
3232 if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
3234 pvr2_hdw_gpio_chg_out(hdw,(1 << 11),~0);
3237 pvr2_hdw_gpio_chg_out(hdw,(1 << 11),0);
3241 /* Check and update state for all sub-devices. */
3242 pvr2_subdev_update(hdw);
3244 hdw->tuner_updated = 0;
3245 hdw->force_dirty = 0;
3246 for (idx = 0; idx < hdw->control_cnt; idx++) {
3247 cptr = hdw->controls + idx;
3248 if (!cptr->info->clear_dirty) continue;
3249 cptr->info->clear_dirty(cptr);
3252 if ((hdw->pathway_state == PVR2_PATHWAY_ANALOG) &&
3253 hdw->state_encoder_run) {
3254 /* If encoder isn't running or it can't be touched, then
3255 this will get worked out later when we start the
3257 if (pvr2_encoder_adjust(hdw) < 0) return !0;
3260 hdw->state_pipeline_config = !0;
3261 /* Hardware state may have changed in a way to cause the cropping
3262 capabilities to have changed. So mark it stale, which will
3263 cause a later re-fetch. */
3264 trace_stbit("state_pipeline_config",hdw->state_pipeline_config);
3269 int pvr2_hdw_commit_ctl(struct pvr2_hdw *hdw)
3272 LOCK_TAKE(hdw->big_lock);
3273 fl = pvr2_hdw_commit_setup(hdw);
3274 LOCK_GIVE(hdw->big_lock);
3276 return pvr2_hdw_wait(hdw,0);
3280 static void pvr2_hdw_worker_poll(struct work_struct *work)
3283 struct pvr2_hdw *hdw = container_of(work,struct pvr2_hdw,workpoll);
3284 LOCK_TAKE(hdw->big_lock); do {
3285 fl = pvr2_hdw_state_eval(hdw);
3286 } while (0); LOCK_GIVE(hdw->big_lock);
3287 if (fl && hdw->state_func) {
3288 hdw->state_func(hdw->state_data);
3293 static int pvr2_hdw_wait(struct pvr2_hdw *hdw,int state)
3295 return wait_event_interruptible(
3296 hdw->state_wait_data,
3297 (hdw->state_stale == 0) &&
3298 (!state || (hdw->master_state != state)));
3302 /* Return name for this driver instance */
3303 const char *pvr2_hdw_get_driver_name(struct pvr2_hdw *hdw)
3309 const char *pvr2_hdw_get_desc(struct pvr2_hdw *hdw)
3311 return hdw->hdw_desc->description;
3315 const char *pvr2_hdw_get_type(struct pvr2_hdw *hdw)
3317 return hdw->hdw_desc->shortname;
3321 int pvr2_hdw_is_hsm(struct pvr2_hdw *hdw)
3324 LOCK_TAKE(hdw->ctl_lock); do {
3325 hdw->cmd_buffer[0] = FX2CMD_GET_USB_SPEED;
3326 result = pvr2_send_request(hdw,
3329 if (result < 0) break;
3330 result = (hdw->cmd_buffer[0] != 0);
3331 } while(0); LOCK_GIVE(hdw->ctl_lock);
3336 /* Execute poll of tuner status */
3337 void pvr2_hdw_execute_tuner_poll(struct pvr2_hdw *hdw)
3339 LOCK_TAKE(hdw->big_lock); do {
3340 pvr2_hdw_status_poll(hdw);
3341 } while (0); LOCK_GIVE(hdw->big_lock);
3345 static int pvr2_hdw_check_cropcap(struct pvr2_hdw *hdw)
3347 if (!hdw->cropcap_stale) {
3350 pvr2_hdw_status_poll(hdw);
3351 if (hdw->cropcap_stale) {
3358 /* Return information about cropping capabilities */
3359 int pvr2_hdw_get_cropcap(struct pvr2_hdw *hdw, struct v4l2_cropcap *pp)
3362 LOCK_TAKE(hdw->big_lock);
3363 stat = pvr2_hdw_check_cropcap(hdw);
3365 memcpy(pp, &hdw->cropcap_info, sizeof(hdw->cropcap_info));
3367 LOCK_GIVE(hdw->big_lock);
3372 /* Return information about the tuner */
3373 int pvr2_hdw_get_tuner_status(struct pvr2_hdw *hdw,struct v4l2_tuner *vtp)
3375 LOCK_TAKE(hdw->big_lock); do {
3376 if (hdw->tuner_signal_stale) {
3377 pvr2_hdw_status_poll(hdw);
3379 memcpy(vtp,&hdw->tuner_signal_info,sizeof(struct v4l2_tuner));
3380 } while (0); LOCK_GIVE(hdw->big_lock);
3385 /* Get handle to video output stream */
3386 struct pvr2_stream *pvr2_hdw_get_video_stream(struct pvr2_hdw *hp)
3388 return hp->vid_stream;
3392 void pvr2_hdw_trigger_module_log(struct pvr2_hdw *hdw)
3394 int nr = pvr2_hdw_get_unit_number(hdw);
3395 LOCK_TAKE(hdw->big_lock); do {
3396 printk(KERN_INFO "pvrusb2: ================= START STATUS CARD #%d =================\n", nr);
3397 v4l2_device_call_all(&hdw->v4l2_dev, 0, core, log_status);
3398 pvr2_trace(PVR2_TRACE_INFO,"cx2341x config:");
3399 cx2341x_log_status(&hdw->enc_ctl_state, "pvrusb2");
3400 pvr2_hdw_state_log_state(hdw);
3401 printk(KERN_INFO "pvrusb2: ================== END STATUS CARD #%d ==================\n", nr);
3402 } while (0); LOCK_GIVE(hdw->big_lock);
3406 /* Grab EEPROM contents, needed for direct method. */
3407 #define EEPROM_SIZE 8192
3408 #define trace_eeprom(...) pvr2_trace(PVR2_TRACE_EEPROM,__VA_ARGS__)
3409 static u8 *pvr2_full_eeprom_fetch(struct pvr2_hdw *hdw)
3411 struct i2c_msg msg[2];
3420 eeprom = kmalloc(EEPROM_SIZE,GFP_KERNEL);
3422 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3423 "Failed to allocate memory"
3424 " required to read eeprom");
3428 trace_eeprom("Value for eeprom addr from controller was 0x%x",
3430 addr = hdw->eeprom_addr;
3431 /* Seems that if the high bit is set, then the *real* eeprom
3432 address is shifted right now bit position (noticed this in
3433 newer PVR USB2 hardware) */
3434 if (addr & 0x80) addr >>= 1;
3436 /* FX2 documentation states that a 16bit-addressed eeprom is
3437 expected if the I2C address is an odd number (yeah, this is
3438 strange but it's what they do) */
3439 mode16 = (addr & 1);
3440 eepromSize = (mode16 ? EEPROM_SIZE : 256);
3441 trace_eeprom("Examining %d byte eeprom at location 0x%x"
3442 " using %d bit addressing",eepromSize,addr,
3447 msg[0].len = mode16 ? 2 : 1;
3450 msg[1].flags = I2C_M_RD;
3452 /* We have to do the actual eeprom data fetch ourselves, because
3453 (1) we're only fetching part of the eeprom, and (2) if we were
3454 getting the whole thing our I2C driver can't grab it in one
3455 pass - which is what tveeprom is otherwise going to attempt */
3456 memset(eeprom,0,EEPROM_SIZE);
3457 for (tcnt = 0; tcnt < EEPROM_SIZE; tcnt += pcnt) {
3459 if (pcnt + tcnt > EEPROM_SIZE) pcnt = EEPROM_SIZE-tcnt;
3460 offs = tcnt + (eepromSize - EEPROM_SIZE);
3462 iadd[0] = offs >> 8;
3468 msg[1].buf = eeprom+tcnt;
3469 if ((ret = i2c_transfer(&hdw->i2c_adap,
3470 msg,ARRAY_SIZE(msg))) != 2) {
3471 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3472 "eeprom fetch set offs err=%d",ret);
3481 void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw,
3488 LOCK_TAKE(hdw->big_lock); do {
3489 if ((hdw->fw_buffer == NULL) == !enable_flag) break;
3492 pvr2_trace(PVR2_TRACE_FIRMWARE,
3493 "Cleaning up after CPU firmware fetch");
3494 kfree(hdw->fw_buffer);
3495 hdw->fw_buffer = NULL;
3497 if (hdw->fw_cpu_flag) {
3498 /* Now release the CPU. It will disconnect
3499 and reconnect later. */
3500 pvr2_hdw_cpureset_assert(hdw,0);
3505 hdw->fw_cpu_flag = (prom_flag == 0);
3506 if (hdw->fw_cpu_flag) {
3507 pvr2_trace(PVR2_TRACE_FIRMWARE,
3508 "Preparing to suck out CPU firmware");
3509 hdw->fw_size = 0x2000;
3510 hdw->fw_buffer = kzalloc(hdw->fw_size,GFP_KERNEL);
3511 if (!hdw->fw_buffer) {
3516 /* We have to hold the CPU during firmware upload. */
3517 pvr2_hdw_cpureset_assert(hdw,1);
3519 /* download the firmware from address 0000-1fff in 2048
3520 (=0x800) bytes chunk. */
3522 pvr2_trace(PVR2_TRACE_FIRMWARE,
3523 "Grabbing CPU firmware");
3524 pipe = usb_rcvctrlpipe(hdw->usb_dev, 0);
3525 for(address = 0; address < hdw->fw_size;
3527 ret = usb_control_msg(hdw->usb_dev,pipe,
3530 hdw->fw_buffer+address,
3535 pvr2_trace(PVR2_TRACE_FIRMWARE,
3536 "Done grabbing CPU firmware");
3538 pvr2_trace(PVR2_TRACE_FIRMWARE,
3539 "Sucking down EEPROM contents");
3540 hdw->fw_buffer = pvr2_full_eeprom_fetch(hdw);
3541 if (!hdw->fw_buffer) {
3542 pvr2_trace(PVR2_TRACE_FIRMWARE,
3543 "EEPROM content suck failed.");
3546 hdw->fw_size = EEPROM_SIZE;
3547 pvr2_trace(PVR2_TRACE_FIRMWARE,
3548 "Done sucking down EEPROM contents");
3551 } while (0); LOCK_GIVE(hdw->big_lock);
3555 /* Return true if we're in a mode for retrieval CPU firmware */
3556 int pvr2_hdw_cpufw_get_enabled(struct pvr2_hdw *hdw)
3558 return hdw->fw_buffer != NULL;
3562 int pvr2_hdw_cpufw_get(struct pvr2_hdw *hdw,unsigned int offs,
3563 char *buf,unsigned int cnt)
3566 LOCK_TAKE(hdw->big_lock); do {
3570 if (!hdw->fw_buffer) {
3575 if (offs >= hdw->fw_size) {
3576 pvr2_trace(PVR2_TRACE_FIRMWARE,
3577 "Read firmware data offs=%d EOF",
3583 if (offs + cnt > hdw->fw_size) cnt = hdw->fw_size - offs;
3585 memcpy(buf,hdw->fw_buffer+offs,cnt);
3587 pvr2_trace(PVR2_TRACE_FIRMWARE,
3588 "Read firmware data offs=%d cnt=%d",
3591 } while (0); LOCK_GIVE(hdw->big_lock);
3597 int pvr2_hdw_v4l_get_minor_number(struct pvr2_hdw *hdw,
3598 enum pvr2_v4l_type index)
3601 case pvr2_v4l_type_video: return hdw->v4l_minor_number_video;
3602 case pvr2_v4l_type_vbi: return hdw->v4l_minor_number_vbi;
3603 case pvr2_v4l_type_radio: return hdw->v4l_minor_number_radio;
3609 /* Store a v4l minor device number */
3610 void pvr2_hdw_v4l_store_minor_number(struct pvr2_hdw *hdw,
3611 enum pvr2_v4l_type index,int v)
3614 case pvr2_v4l_type_video: hdw->v4l_minor_number_video = v;
3615 case pvr2_v4l_type_vbi: hdw->v4l_minor_number_vbi = v;
3616 case pvr2_v4l_type_radio: hdw->v4l_minor_number_radio = v;
3622 static void pvr2_ctl_write_complete(struct urb *urb)
3624 struct pvr2_hdw *hdw = urb->context;
3625 hdw->ctl_write_pend_flag = 0;
3626 if (hdw->ctl_read_pend_flag) return;
3627 complete(&hdw->ctl_done);
3631 static void pvr2_ctl_read_complete(struct urb *urb)
3633 struct pvr2_hdw *hdw = urb->context;
3634 hdw->ctl_read_pend_flag = 0;
3635 if (hdw->ctl_write_pend_flag) return;
3636 complete(&hdw->ctl_done);
3640 static void pvr2_ctl_timeout(unsigned long data)
3642 struct pvr2_hdw *hdw = (struct pvr2_hdw *)data;
3643 if (hdw->ctl_write_pend_flag || hdw->ctl_read_pend_flag) {
3644 hdw->ctl_timeout_flag = !0;
3645 if (hdw->ctl_write_pend_flag)
3646 usb_unlink_urb(hdw->ctl_write_urb);
3647 if (hdw->ctl_read_pend_flag)
3648 usb_unlink_urb(hdw->ctl_read_urb);
3653 /* Issue a command and get a response from the device. This extended
3654 version includes a probe flag (which if set means that device errors
3655 should not be logged or treated as fatal) and a timeout in jiffies.
3656 This can be used to non-lethally probe the health of endpoint 1. */
3657 static int pvr2_send_request_ex(struct pvr2_hdw *hdw,
3658 unsigned int timeout,int probe_fl,
3659 void *write_data,unsigned int write_len,
3660 void *read_data,unsigned int read_len)
3664 struct timer_list timer;
3665 if (!hdw->ctl_lock_held) {
3666 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3667 "Attempted to execute control transfer"
3671 if (!hdw->flag_ok && !probe_fl) {
3672 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3673 "Attempted to execute control transfer"
3674 " when device not ok");
3677 if (!(hdw->ctl_read_urb && hdw->ctl_write_urb)) {
3679 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3680 "Attempted to execute control transfer"
3681 " when USB is disconnected");
3686 /* Ensure that we have sane parameters */
3687 if (!write_data) write_len = 0;
3688 if (!read_data) read_len = 0;
3689 if (write_len > PVR2_CTL_BUFFSIZE) {
3691 PVR2_TRACE_ERROR_LEGS,
3692 "Attempted to execute %d byte"
3693 " control-write transfer (limit=%d)",
3694 write_len,PVR2_CTL_BUFFSIZE);
3697 if (read_len > PVR2_CTL_BUFFSIZE) {
3699 PVR2_TRACE_ERROR_LEGS,
3700 "Attempted to execute %d byte"
3701 " control-read transfer (limit=%d)",
3702 write_len,PVR2_CTL_BUFFSIZE);
3705 if ((!write_len) && (!read_len)) {
3707 PVR2_TRACE_ERROR_LEGS,
3708 "Attempted to execute null control transfer?");
3713 hdw->cmd_debug_state = 1;
3715 hdw->cmd_debug_code = ((unsigned char *)write_data)[0];
3717 hdw->cmd_debug_code = 0;
3719 hdw->cmd_debug_write_len = write_len;
3720 hdw->cmd_debug_read_len = read_len;
3722 /* Initialize common stuff */
3723 init_completion(&hdw->ctl_done);
3724 hdw->ctl_timeout_flag = 0;
3725 hdw->ctl_write_pend_flag = 0;
3726 hdw->ctl_read_pend_flag = 0;
3728 timer.expires = jiffies + timeout;
3729 timer.data = (unsigned long)hdw;
3730 timer.function = pvr2_ctl_timeout;
3733 hdw->cmd_debug_state = 2;
3734 /* Transfer write data to internal buffer */
3735 for (idx = 0; idx < write_len; idx++) {
3736 hdw->ctl_write_buffer[idx] =
3737 ((unsigned char *)write_data)[idx];
3739 /* Initiate a write request */
3740 usb_fill_bulk_urb(hdw->ctl_write_urb,
3742 usb_sndbulkpipe(hdw->usb_dev,
3743 PVR2_CTL_WRITE_ENDPOINT),
3744 hdw->ctl_write_buffer,
3746 pvr2_ctl_write_complete,
3748 hdw->ctl_write_urb->actual_length = 0;
3749 hdw->ctl_write_pend_flag = !0;
3750 status = usb_submit_urb(hdw->ctl_write_urb,GFP_KERNEL);
3752 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3753 "Failed to submit write-control"
3754 " URB status=%d",status);
3755 hdw->ctl_write_pend_flag = 0;
3761 hdw->cmd_debug_state = 3;
3762 memset(hdw->ctl_read_buffer,0x43,read_len);
3763 /* Initiate a read request */
3764 usb_fill_bulk_urb(hdw->ctl_read_urb,
3766 usb_rcvbulkpipe(hdw->usb_dev,
3767 PVR2_CTL_READ_ENDPOINT),
3768 hdw->ctl_read_buffer,
3770 pvr2_ctl_read_complete,
3772 hdw->ctl_read_urb->actual_length = 0;
3773 hdw->ctl_read_pend_flag = !0;
3774 status = usb_submit_urb(hdw->ctl_read_urb,GFP_KERNEL);
3776 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3777 "Failed to submit read-control"
3778 " URB status=%d",status);
3779 hdw->ctl_read_pend_flag = 0;
3787 /* Now wait for all I/O to complete */
3788 hdw->cmd_debug_state = 4;
3789 while (hdw->ctl_write_pend_flag || hdw->ctl_read_pend_flag) {
3790 wait_for_completion(&hdw->ctl_done);
3792 hdw->cmd_debug_state = 5;
3795 del_timer_sync(&timer);
3797 hdw->cmd_debug_state = 6;
3800 if (hdw->ctl_timeout_flag) {
3801 status = -ETIMEDOUT;
3803 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3804 "Timed out control-write");
3810 /* Validate results of write request */
3811 if ((hdw->ctl_write_urb->status != 0) &&
3812 (hdw->ctl_write_urb->status != -ENOENT) &&
3813 (hdw->ctl_write_urb->status != -ESHUTDOWN) &&
3814 (hdw->ctl_write_urb->status != -ECONNRESET)) {
3815 /* USB subsystem is reporting some kind of failure
3817 status = hdw->ctl_write_urb->status;
3819 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3820 "control-write URB failure,"
3826 if (hdw->ctl_write_urb->actual_length < write_len) {
3827 /* Failed to write enough data */
3830 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3831 "control-write URB short,"
3832 " expected=%d got=%d",
3834 hdw->ctl_write_urb->actual_length);
3840 /* Validate results of read request */
3841 if ((hdw->ctl_read_urb->status != 0) &&
3842 (hdw->ctl_read_urb->status != -ENOENT) &&
3843 (hdw->ctl_read_urb->status != -ESHUTDOWN) &&
3844 (hdw->ctl_read_urb->status != -ECONNRESET)) {
3845 /* USB subsystem is reporting some kind of failure
3847 status = hdw->ctl_read_urb->status;
3849 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3850 "control-read URB failure,"
3856 if (hdw->ctl_read_urb->actual_length < read_len) {
3857 /* Failed to read enough data */
3860 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
3861 "control-read URB short,"
3862 " expected=%d got=%d",
3864 hdw->ctl_read_urb->actual_length);
3868 /* Transfer retrieved data out from internal buffer */
3869 for (idx = 0; idx < read_len; idx++) {
3870 ((unsigned char *)read_data)[idx] =
3871 hdw->ctl_read_buffer[idx];
3877 hdw->cmd_debug_state = 0;
3878 if ((status < 0) && (!probe_fl)) {
3879 pvr2_hdw_render_useless(hdw);
3885 int pvr2_send_request(struct pvr2_hdw *hdw,
3886 void *write_data,unsigned int write_len,
3887 void *read_data,unsigned int read_len)
3889 return pvr2_send_request_ex(hdw,HZ*4,0,
3890 write_data,write_len,
3891 read_data,read_len);
3895 static int pvr2_issue_simple_cmd(struct pvr2_hdw *hdw,u32 cmdcode)
3898 unsigned int cnt = 1;
3899 unsigned int args = 0;
3900 LOCK_TAKE(hdw->ctl_lock);
3901 hdw->cmd_buffer[0] = cmdcode & 0xffu;
3902 args = (cmdcode >> 8) & 0xffu;
3903 args = (args > 2) ? 2 : args;
3906 hdw->cmd_buffer[1] = (cmdcode >> 16) & 0xffu;
3908 hdw->cmd_buffer[2] = (cmdcode >> 24) & 0xffu;
3911 if (pvrusb2_debug & PVR2_TRACE_INIT) {
3913 unsigned int ccnt,bcnt;
3917 ccnt = scnprintf(tbuf+bcnt,
3919 "Sending FX2 command 0x%x",cmdcode);
3921 for (idx = 0; idx < ARRAY_SIZE(pvr2_fx2cmd_desc); idx++) {
3922 if (pvr2_fx2cmd_desc[idx].id == cmdcode) {
3923 ccnt = scnprintf(tbuf+bcnt,
3926 pvr2_fx2cmd_desc[idx].desc);
3932 ccnt = scnprintf(tbuf+bcnt,
3934 " (%u",hdw->cmd_buffer[1]);
3937 ccnt = scnprintf(tbuf+bcnt,
3939 ",%u",hdw->cmd_buffer[2]);
3942 ccnt = scnprintf(tbuf+bcnt,
3947 pvr2_trace(PVR2_TRACE_INIT,"%.*s",bcnt,tbuf);
3949 ret = pvr2_send_request(hdw,hdw->cmd_buffer,cnt,NULL,0);
3950 LOCK_GIVE(hdw->ctl_lock);
3955 int pvr2_write_register(struct pvr2_hdw *hdw, u16 reg, u32 data)
3959 LOCK_TAKE(hdw->ctl_lock);
3961 hdw->cmd_buffer[0] = FX2CMD_REG_WRITE; /* write register prefix */
3962 PVR2_DECOMPOSE_LE(hdw->cmd_buffer,1,data);
3963 hdw->cmd_buffer[5] = 0;
3964 hdw->cmd_buffer[6] = (reg >> 8) & 0xff;
3965 hdw->cmd_buffer[7] = reg & 0xff;
3968 ret = pvr2_send_request(hdw, hdw->cmd_buffer, 8, hdw->cmd_buffer, 0);
3970 LOCK_GIVE(hdw->ctl_lock);
3976 static int pvr2_read_register(struct pvr2_hdw *hdw, u16 reg, u32 *data)
3980 LOCK_TAKE(hdw->ctl_lock);
3982 hdw->cmd_buffer[0] = FX2CMD_REG_READ; /* read register prefix */
3983 hdw->cmd_buffer[1] = 0;
3984 hdw->cmd_buffer[2] = 0;
3985 hdw->cmd_buffer[3] = 0;
3986 hdw->cmd_buffer[4] = 0;
3987 hdw->cmd_buffer[5] = 0;
3988 hdw->cmd_buffer[6] = (reg >> 8) & 0xff;
3989 hdw->cmd_buffer[7] = reg & 0xff;
3991 ret |= pvr2_send_request(hdw, hdw->cmd_buffer, 8, hdw->cmd_buffer, 4);
3992 *data = PVR2_COMPOSE_LE(hdw->cmd_buffer,0);
3994 LOCK_GIVE(hdw->ctl_lock);
4000 void pvr2_hdw_render_useless(struct pvr2_hdw *hdw)
4002 if (!hdw->flag_ok) return;
4003 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
4004 "Device being rendered inoperable");
4005 if (hdw->vid_stream) {
4006 pvr2_stream_setup(hdw->vid_stream,NULL,0,0);
4009 trace_stbit("flag_ok",hdw->flag_ok);
4010 pvr2_hdw_state_sched(hdw);
4014 void pvr2_hdw_device_reset(struct pvr2_hdw *hdw)
4017 pvr2_trace(PVR2_TRACE_INIT,"Performing a device reset...");
4018 ret = usb_lock_device_for_reset(hdw->usb_dev,NULL);
4020 ret = usb_reset_device(hdw->usb_dev);
4021 usb_unlock_device(hdw->usb_dev);
4023 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
4024 "Failed to lock USB device ret=%d",ret);
4026 if (init_pause_msec) {
4027 pvr2_trace(PVR2_TRACE_INFO,
4028 "Waiting %u msec for hardware to settle",
4030 msleep(init_pause_msec);
4036 void pvr2_hdw_cpureset_assert(struct pvr2_hdw *hdw,int val)
4042 if (!hdw->usb_dev) return;
4044 pvr2_trace(PVR2_TRACE_INIT,"cpureset_assert(%d)",val);
4046 da[0] = val ? 0x01 : 0x00;
4048 /* Write the CPUCS register on the 8051. The lsb of the register
4049 is the reset bit; a 1 asserts reset while a 0 clears it. */
4050 pipe = usb_sndctrlpipe(hdw->usb_dev, 0);
4051 ret = usb_control_msg(hdw->usb_dev,pipe,0xa0,0x40,0xe600,0,da,1,HZ);
4053 pvr2_trace(PVR2_TRACE_ERROR_LEGS,
4054 "cpureset_assert(%d) error=%d",val,ret);
4055 pvr2_hdw_render_useless(hdw);
4060 int pvr2_hdw_cmd_deep_reset(struct pvr2_hdw *hdw)
4062 return pvr2_issue_simple_cmd(hdw,FX2CMD_DEEP_RESET);
4066 int pvr2_hdw_cmd_powerup(struct pvr2_hdw *hdw)
4068 return pvr2_issue_simple_cmd(hdw,FX2CMD_POWER_ON);
4072 int pvr2_hdw_cmd_powerdown(struct pvr2_hdw *hdw)
4074 return pvr2_issue_simple_cmd(hdw,FX2CMD_POWER_OFF);
4078 int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *hdw)
4080 pvr2_trace(PVR2_TRACE_INIT,
4081 "Requesting decoder reset");
4082 if (hdw->decoder_client_id) {
4083 v4l2_device_call_all(&hdw->v4l2_dev, hdw->decoder_client_id,
4085 pvr2_hdw_cx25840_vbi_hack(hdw);
4088 pvr2_trace(PVR2_TRACE_INIT,
4089 "Unable to reset decoder: nothing attached");
4094 static int pvr2_hdw_cmd_hcw_demod_reset(struct pvr2_hdw *hdw, int onoff)
4097 return pvr2_issue_simple_cmd(hdw,
4098 FX2CMD_HCW_DEMOD_RESETIN |
4100 ((onoff ? 1 : 0) << 16));
4104 static int pvr2_hdw_cmd_onair_fe_power_ctrl(struct pvr2_hdw *hdw, int onoff)
4107 return pvr2_issue_simple_cmd(hdw,(onoff ?
4108 FX2CMD_ONAIR_DTV_POWER_ON :
4109 FX2CMD_ONAIR_DTV_POWER_OFF));
4113 static int pvr2_hdw_cmd_onair_digital_path_ctrl(struct pvr2_hdw *hdw,
4116 return pvr2_issue_simple_cmd(hdw,(onoff ?
4117 FX2CMD_ONAIR_DTV_STREAMING_ON :
4118 FX2CMD_ONAIR_DTV_STREAMING_OFF));
4122 static void pvr2_hdw_cmd_modeswitch(struct pvr2_hdw *hdw,int digitalFl)
4125 /* Compare digital/analog desired setting with current setting. If
4126 they don't match, fix it... */
4127 cmode = (digitalFl ? PVR2_PATHWAY_DIGITAL : PVR2_PATHWAY_ANALOG);
4128 if (cmode == hdw->pathway_state) {
4129 /* They match; nothing to do */
4133 switch (hdw->hdw_desc->digital_control_scheme) {
4134 case PVR2_DIGITAL_SCHEME_HAUPPAUGE:
4135 pvr2_hdw_cmd_hcw_demod_reset(hdw,digitalFl);
4136 if (cmode == PVR2_PATHWAY_ANALOG) {
4137 /* If moving to analog mode, also force the decoder
4138 to reset. If no decoder is attached, then it's
4139 ok to ignore this because if/when the decoder
4140 attaches, it will reset itself at that time. */
4141 pvr2_hdw_cmd_decoder_reset(hdw);
4144 case PVR2_DIGITAL_SCHEME_ONAIR:
4145 /* Supposedly we should always have the power on whether in
4146 digital or analog mode. But for now do what appears to
4148 pvr2_hdw_cmd_onair_fe_power_ctrl(hdw,digitalFl);
4153 pvr2_hdw_untrip_unlocked(hdw);
4154 hdw->pathway_state = cmode;
4158 static void pvr2_led_ctrl_hauppauge(struct pvr2_hdw *hdw, int onoff)
4160 /* change some GPIO data
4162 * note: bit d7 of dir appears to control the LED,
4163 * so we shut it off here.
4167 pvr2_hdw_gpio_chg_dir(hdw, 0xffffffff, 0x00000481);
4169 pvr2_hdw_gpio_chg_dir(hdw, 0xffffffff, 0x00000401);
4171 pvr2_hdw_gpio_chg_out(hdw, 0xffffffff, 0x00000000);
4175 typedef void (*led_method_func)(struct pvr2_hdw *,int);
4177 static led_method_func led_methods[] = {
4178 [PVR2_LED_SCHEME_HAUPPAUGE] = pvr2_led_ctrl_hauppauge,
4183 static void pvr2_led_ctrl(struct pvr2_hdw *hdw,int onoff)
4185 unsigned int scheme_id;
4188 if ((!onoff) == (!hdw->led_on)) return;
4190 hdw->led_on = onoff != 0;
4192 scheme_id = hdw->hdw_desc->led_scheme;
4193 if (scheme_id < ARRAY_SIZE(led_methods)) {
4194 fp = led_methods[scheme_id];
4199 if (fp) (*fp)(hdw,onoff);
4203 /* Stop / start video stream transport */
4204 static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl)
4208 /* If we're in analog mode, then just issue the usual analog
4210 if (hdw->pathway_state == PVR2_PATHWAY_ANALOG) {
4211 return pvr2_issue_simple_cmd(hdw,
4213 FX2CMD_STREAMING_ON :
4214 FX2CMD_STREAMING_OFF));
4215 /*Note: Not reached */
4218 if (hdw->pathway_state != PVR2_PATHWAY_DIGITAL) {
4219 /* Whoops, we don't know what mode we're in... */
4223 /* To get here we have to be in digital mode. The mechanism here
4224 is unfortunately different for different vendors. So we switch
4225 on the device's digital scheme attribute in order to figure out
4227 switch (hdw->hdw_desc->digital_control_scheme) {
4228 case PVR2_DIGITAL_SCHEME_HAUPPAUGE:
4229 return pvr2_issue_simple_cmd(hdw,
4231 FX2CMD_HCW_DTV_STREAMING_ON :
4232 FX2CMD_HCW_DTV_STREAMING_OFF));
4233 case PVR2_DIGITAL_SCHEME_ONAIR:
4234 ret = pvr2_issue_simple_cmd(hdw,
4236 FX2CMD_STREAMING_ON :
4237 FX2CMD_STREAMING_OFF));
4238 if (ret) return ret;
4239 return pvr2_hdw_cmd_onair_digital_path_ctrl(hdw,runFl);
4246 /* Evaluate whether or not state_pathway_ok can change */
4247 static int state_eval_pathway_ok(struct pvr2_hdw *hdw)
4249 if (hdw->state_pathway_ok) {
4250 /* Nothing to do if pathway is already ok */
4253 if (!hdw->state_pipeline_idle) {
4254 /* Not allowed to change anything if pipeline is not idle */
4257 pvr2_hdw_cmd_modeswitch(hdw,hdw->input_val == PVR2_CVAL_INPUT_DTV);
4258 hdw->state_pathway_ok = !0;
4259 trace_stbit("state_pathway_ok",hdw->state_pathway_ok);
4264 /* Evaluate whether or not state_encoder_ok can change */
4265 static int state_eval_encoder_ok(struct pvr2_hdw *hdw)
4267 if (hdw->state_encoder_ok) return 0;
4268 if (hdw->flag_tripped) return 0;
4269 if (hdw->state_encoder_run) return 0;
4270 if (hdw->state_encoder_config) return 0;
4271 if (hdw->state_decoder_run) return 0;
4272 if (hdw->state_usbstream_run) return 0;
4273 if (hdw->pathway_state == PVR2_PATHWAY_DIGITAL) {
4274 if (!hdw->hdw_desc->flag_digital_requires_cx23416) return 0;
4275 } else if (hdw->pathway_state != PVR2_PATHWAY_ANALOG) {
4279 if (pvr2_upload_firmware2(hdw) < 0) {
4280 hdw->flag_tripped = !0;
4281 trace_stbit("flag_tripped",hdw->flag_tripped);
4284 hdw->state_encoder_ok = !0;
4285 trace_stbit("state_encoder_ok",hdw->state_encoder_ok);
4290 /* Evaluate whether or not state_encoder_config can change */
4291 static int state_eval_encoder_config(struct pvr2_hdw *hdw)
4293 if (hdw->state_encoder_config) {
4294 if (hdw->state_encoder_ok) {
4295 if (hdw->state_pipeline_req &&
4296 !hdw->state_pipeline_pause) return 0;
4298 hdw->state_encoder_config = 0;
4299 hdw->state_encoder_waitok = 0;
4300 trace_stbit("state_encoder_waitok",hdw->state_encoder_waitok);
4301 /* paranoia - solve race if timer just completed */
4302 del_timer_sync(&hdw->encoder_wait_timer);
4304 if (!hdw->state_pathway_ok ||
4305 (hdw->pathway_state != PVR2_PATHWAY_ANALOG) ||
4306 !hdw->state_encoder_ok ||
4307 !hdw->state_pipeline_idle ||
4308 hdw->state_pipeline_pause ||
4309 !hdw->state_pipeline_req ||
4310 !hdw->state_pipeline_config) {
4311 /* We must reset the enforced wait interval if
4312 anything has happened that might have disturbed
4313 the encoder. This should be a rare case. */
4314 if (timer_pending(&hdw->encoder_wait_timer)) {
4315 del_timer_sync(&hdw->encoder_wait_timer);
4317 if (hdw->state_encoder_waitok) {
4318 /* Must clear the state - therefore we did
4319 something to a state bit and must also
4321 hdw->state_encoder_waitok = 0;
4322 trace_stbit("state_encoder_waitok",
4323 hdw->state_encoder_waitok);
4328 if (!hdw->state_encoder_waitok) {
4329 if (!timer_pending(&hdw->encoder_wait_timer)) {
4330 /* waitok flag wasn't set and timer isn't
4331 running. Check flag once more to avoid
4332 a race then start the timer. This is
4333 the point when we measure out a minimal
4334 quiet interval before doing something to
4336 if (!hdw->state_encoder_waitok) {
4337 hdw->encoder_wait_timer.expires =
4339 (HZ * TIME_MSEC_ENCODER_WAIT
4341 add_timer(&hdw->encoder_wait_timer);
4344 /* We can't continue until we know we have been
4345 quiet for the interval measured by this
4349 pvr2_encoder_configure(hdw);
4350 if (hdw->state_encoder_ok) hdw->state_encoder_config = !0;
4352 trace_stbit("state_encoder_config",hdw->state_encoder_config);
4357 /* Return true if the encoder should not be running. */
4358 static int state_check_disable_encoder_run(struct pvr2_hdw *hdw)
4360 if (!hdw->state_encoder_ok) {
4361 /* Encoder isn't healthy at the moment, so stop it. */
4364 if (!hdw->state_pathway_ok) {
4365 /* Mode is not understood at the moment (i.e. it wants to
4366 change), so encoder must be stopped. */
4370 switch (hdw->pathway_state) {
4371 case PVR2_PATHWAY_ANALOG:
4372 if (!hdw->state_decoder_run) {
4373 /* We're in analog mode and the decoder is not
4374 running; thus the encoder should be stopped as
4379 case PVR2_PATHWAY_DIGITAL:
4380 if (hdw->state_encoder_runok) {
4381 /* This is a funny case. We're in digital mode so
4382 really the encoder should be stopped. However
4383 if it really is running, only kill it after
4384 runok has been set. This gives a chance for the
4385 onair quirk to function (encoder must run
4386 briefly first, at least once, before onair
4387 digital streaming can work). */
4392 /* Unknown mode; so encoder should be stopped. */
4396 /* If we get here, we haven't found a reason to stop the
4402 /* Return true if the encoder should be running. */
4403 static int state_check_enable_encoder_run(struct pvr2_hdw *hdw)
4405 if (!hdw->state_encoder_ok) {
4406 /* Don't run the encoder if it isn't healthy... */
4409 if (!hdw->state_pathway_ok) {
4410 /* Don't run the encoder if we don't (yet) know what mode
4411 we need to be in... */
4415 switch (hdw->pathway_state) {
4416 case PVR2_PATHWAY_ANALOG:
4417 if (hdw->state_decoder_run) {
4418 /* In analog mode, if the decoder is running, then
4423 case PVR2_PATHWAY_DIGITAL:
4424 if ((hdw->hdw_desc->digital_control_scheme ==
4425 PVR2_DIGITAL_SCHEME_ONAIR) &&
4426 !hdw->state_encoder_runok) {
4427 /* This is a quirk. OnAir hardware won't stream
4428 digital until the encoder has been run at least
4429 once, for a minimal period of time (empiricially
4430 measured to be 1/4 second). So if we're on
4431 OnAir hardware and the encoder has never been
4432 run at all, then start the encoder. Normal
4433 state machine logic in the driver will
4434 automatically handle the remaining bits. */
4439 /* For completeness (unknown mode; encoder won't run ever) */
4442 /* If we get here, then we haven't found any reason to run the
4443 encoder, so don't run it. */
4448 /* Evaluate whether or not state_encoder_run can change */
4449 static int state_eval_encoder_run(struct pvr2_hdw *hdw)
4451 if (hdw->state_encoder_run) {
4452 if (!state_check_disable_encoder_run(hdw)) return 0;
4453 if (hdw->state_encoder_ok) {
4454 del_timer_sync(&hdw->encoder_run_timer);
4455 if (pvr2_encoder_stop(hdw) < 0) return !0;
4457 hdw->state_encoder_run = 0;
4459 if (!state_check_enable_encoder_run(hdw)) return 0;
4460 if (pvr2_encoder_start(hdw) < 0) return !0;
4461 hdw->state_encoder_run = !0;
4462 if (!hdw->state_encoder_runok) {
4463 hdw->encoder_run_timer.expires =
4464 jiffies + (HZ * TIME_MSEC_ENCODER_OK / 1000);
4465 add_timer(&hdw->encoder_run_timer);
4468 trace_stbit("state_encoder_run",hdw->state_encoder_run);
4473 /* Timeout function for quiescent timer. */
4474 static void pvr2_hdw_quiescent_timeout(unsigned long data)
4476 struct pvr2_hdw *hdw = (struct pvr2_hdw *)data;
4477 hdw->state_decoder_quiescent = !0;
4478 trace_stbit("state_decoder_quiescent",hdw->state_decoder_quiescent);
4479 hdw->state_stale = !0;
4480 queue_work(hdw->workqueue,&hdw->workpoll);
4484 /* Timeout function for encoder wait timer. */
4485 static void pvr2_hdw_encoder_wait_timeout(unsigned long data)
4487 struct pvr2_hdw *hdw = (struct pvr2_hdw *)data;
4488 hdw->state_encoder_waitok = !0;
4489 trace_stbit("state_encoder_waitok",hdw->state_encoder_waitok);
4490 hdw->state_stale = !0;
4491 queue_work(hdw->workqueue,&hdw->workpoll);
4495 /* Timeout function for encoder run timer. */
4496 static void pvr2_hdw_encoder_run_timeout(unsigned long data)
4498 struct pvr2_hdw *hdw = (struct pvr2_hdw *)data;
4499 if (!hdw->state_encoder_runok) {
4500 hdw->state_encoder_runok = !0;
4501 trace_stbit("state_encoder_runok",hdw->state_encoder_runok);
4502 hdw->state_stale = !0;
4503 queue_work(hdw->workqueue,&hdw->workpoll);
4508 /* Evaluate whether or not state_decoder_run can change */
4509 static int state_eval_decoder_run(struct pvr2_hdw *hdw)
4511 if (hdw->state_decoder_run) {
4512 if (hdw->state_encoder_ok) {
4513 if (hdw->state_pipeline_req &&
4514 !hdw->state_pipeline_pause &&
4515 hdw->state_pathway_ok) return 0;
4517 if (!hdw->flag_decoder_missed) {
4518 pvr2_decoder_enable(hdw,0);
4520 hdw->state_decoder_quiescent = 0;
4521 hdw->state_decoder_run = 0;
4522 /* paranoia - solve race if timer just completed */
4523 del_timer_sync(&hdw->quiescent_timer);
4525 if (!hdw->state_decoder_quiescent) {
4526 if (!timer_pending(&hdw->quiescent_timer)) {
4527 /* We don't do something about the
4528 quiescent timer until right here because
4529 we also want to catch cases where the
4530 decoder was already not running (like
4531 after initialization) as opposed to
4532 knowing that we had just stopped it.
4533 The second flag check is here to cover a
4534 race - the timer could have run and set
4535 this flag just after the previous check
4536 but before we did the pending check. */
4537 if (!hdw->state_decoder_quiescent) {
4538 hdw->quiescent_timer.expires =
4540 (HZ * TIME_MSEC_DECODER_WAIT
4542 add_timer(&hdw->quiescent_timer);
4545 /* Don't allow decoder to start again until it has
4546 been quiesced first. This little detail should
4547 hopefully further stabilize the encoder. */
4550 if (!hdw->state_pathway_ok ||
4551 (hdw->pathway_state != PVR2_PATHWAY_ANALOG) ||
4552 !hdw->state_pipeline_req ||
4553 hdw->state_pipeline_pause ||
4554 !hdw->state_pipeline_config ||
4555 !hdw->state_encoder_config ||
4556 !hdw->state_encoder_ok) return 0;
4557 del_timer_sync(&hdw->quiescent_timer);
4558 if (hdw->flag_decoder_missed) return 0;
4559 if (pvr2_decoder_enable(hdw,!0) < 0) return 0;
4560 hdw->state_decoder_quiescent = 0;
4561 hdw->state_decoder_run = !0;
4563 trace_stbit("state_decoder_quiescent",hdw->state_decoder_quiescent);
4564 trace_stbit("state_decoder_run",hdw->state_decoder_run);
4569 /* Evaluate whether or not state_usbstream_run can change */
4570 static int state_eval_usbstream_run(struct pvr2_hdw *hdw)
4572 if (hdw->state_usbstream_run) {
4574 if (hdw->pathway_state == PVR2_PATHWAY_ANALOG) {
4575 fl = (hdw->state_encoder_ok &&
4576 hdw->state_encoder_run);
4577 } else if ((hdw->pathway_state == PVR2_PATHWAY_DIGITAL) &&
4578 (hdw->hdw_desc->flag_digital_requires_cx23416)) {
4579 fl = hdw->state_encoder_ok;
4582 hdw->state_pipeline_req &&
4583 !hdw->state_pipeline_pause &&
4584 hdw->state_pathway_ok) {
4587 pvr2_hdw_cmd_usbstream(hdw,0);
4588 hdw->state_usbstream_run = 0;
4590 if (!hdw->state_pipeline_req ||
4591 hdw->state_pipeline_pause ||
4592 !hdw->state_pathway_ok) return 0;
4593 if (hdw->pathway_state == PVR2_PATHWAY_ANALOG) {
4594 if (!hdw->state_encoder_ok ||
4595 !hdw->state_encoder_run) return 0;
4596 } else if ((hdw->pathway_state == PVR2_PATHWAY_DIGITAL) &&
4597 (hdw->hdw_desc->flag_digital_requires_cx23416)) {
4598 if (!hdw->state_encoder_ok) return 0;
4599 if (hdw->state_encoder_run) return 0;
4600 if (hdw->hdw_desc->digital_control_scheme ==
4601 PVR2_DIGITAL_SCHEME_ONAIR) {
4602 /* OnAir digital receivers won't stream
4603 unless the analog encoder has run first.
4604 Why? I have no idea. But don't even
4605 try until we know the analog side is
4606 known to have run. */
4607 if (!hdw->state_encoder_runok) return 0;
4610 if (pvr2_hdw_cmd_usbstream(hdw,!0) < 0) return 0;
4611 hdw->state_usbstream_run = !0;
4613 trace_stbit("state_usbstream_run",hdw->state_usbstream_run);
4618 /* Attempt to configure pipeline, if needed */
4619 static int state_eval_pipeline_config(struct pvr2_hdw *hdw)
4621 if (hdw->state_pipeline_config ||
4622 hdw->state_pipeline_pause) return 0;
4623 pvr2_hdw_commit_execute(hdw);
4628 /* Update pipeline idle and pipeline pause tracking states based on other
4629 inputs. This must be called whenever the other relevant inputs have
4631 static int state_update_pipeline_state(struct pvr2_hdw *hdw)
4635 /* Update pipeline state */
4636 st = !(hdw->state_encoder_run ||
4637 hdw->state_decoder_run ||
4638 hdw->state_usbstream_run ||
4639 (!hdw->state_decoder_quiescent));
4640 if (!st != !hdw->state_pipeline_idle) {
4641 hdw->state_pipeline_idle = st;
4644 if (hdw->state_pipeline_idle && hdw->state_pipeline_pause) {
4645 hdw->state_pipeline_pause = 0;
4652 typedef int (*state_eval_func)(struct pvr2_hdw *);
4654 /* Set of functions to be run to evaluate various states in the driver. */
4655 static const state_eval_func eval_funcs[] = {
4656 state_eval_pathway_ok,
4657 state_eval_pipeline_config,
4658 state_eval_encoder_ok,
4659 state_eval_encoder_config,
4660 state_eval_decoder_run,
4661 state_eval_encoder_run,
4662 state_eval_usbstream_run,
4666 /* Process various states and return true if we did anything interesting. */
4667 static int pvr2_hdw_state_update(struct pvr2_hdw *hdw)
4670 int state_updated = 0;
4673 if (!hdw->state_stale) return 0;
4674 if ((hdw->fw1_state != FW1_STATE_OK) ||
4676 hdw->state_stale = 0;
4679 /* This loop is the heart of the entire driver. It keeps trying to
4680 evaluate various bits of driver state until nothing changes for
4681 one full iteration. Each "bit of state" tracks some global
4682 aspect of the driver, e.g. whether decoder should run, if
4683 pipeline is configured, usb streaming is on, etc. We separately
4684 evaluate each of those questions based on other driver state to
4685 arrive at the correct running configuration. */
4688 state_update_pipeline_state(hdw);
4689 /* Iterate over each bit of state */
4690 for (i = 0; (i<ARRAY_SIZE(eval_funcs)) && hdw->flag_ok; i++) {
4691 if ((*eval_funcs[i])(hdw)) {
4694 state_update_pipeline_state(hdw);
4697 } while (check_flag && hdw->flag_ok);
4698 hdw->state_stale = 0;
4699 trace_stbit("state_stale",hdw->state_stale);
4700 return state_updated;
4704 static unsigned int print_input_mask(unsigned int msk,
4705 char *buf,unsigned int acnt)
4707 unsigned int idx,ccnt;
4708 unsigned int tcnt = 0;
4709 for (idx = 0; idx < ARRAY_SIZE(control_values_input); idx++) {
4710 if (!((1 << idx) & msk)) continue;
4711 ccnt = scnprintf(buf+tcnt,
4715 control_values_input[idx]);
4722 static const char *pvr2_pathway_state_name(int id)
4725 case PVR2_PATHWAY_ANALOG: return "analog";
4726 case PVR2_PATHWAY_DIGITAL: return "digital";
4727 default: return "unknown";
4732 static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which,
4733 char *buf,unsigned int acnt)
4739 "driver:%s%s%s%s%s <mode=%s>",
4740 (hdw->flag_ok ? " <ok>" : " <fail>"),
4741 (hdw->flag_init_ok ? " <init>" : " <uninitialized>"),
4742 (hdw->flag_disconnected ? " <disconnected>" :
4744 (hdw->flag_tripped ? " <tripped>" : ""),
4745 (hdw->flag_decoder_missed ? " <no decoder>" : ""),
4746 pvr2_pathway_state_name(hdw->pathway_state));
4751 "pipeline:%s%s%s%s",
4752 (hdw->state_pipeline_idle ? " <idle>" : ""),
4753 (hdw->state_pipeline_config ?
4754 " <configok>" : " <stale>"),
4755 (hdw->state_pipeline_req ? " <req>" : ""),
4756 (hdw->state_pipeline_pause ? " <pause>" : ""));
4760 "worker:%s%s%s%s%s%s%s",
4761 (hdw->state_decoder_run ?
4763 (hdw->state_decoder_quiescent ?
4764 "" : " <decode:stop>")),
4765 (hdw->state_decoder_quiescent ?
4766 " <decode:quiescent>" : ""),
4767 (hdw->state_encoder_ok ?
4768 "" : " <encode:init>"),
4769 (hdw->state_encoder_run ?
4770 (hdw->state_encoder_runok ?
4772 " <encode:firstrun>") :
4773 (hdw->state_encoder_runok ?
4775 " <encode:virgin>")),
4776 (hdw->state_encoder_config ?
4777 " <encode:configok>" :
4778 (hdw->state_encoder_waitok ?
4779 "" : " <encode:waitok>")),
4780 (hdw->state_usbstream_run ?
4781 " <usb:run>" : " <usb:stop>"),
4782 (hdw->state_pathway_ok ?
4783 " <pathway:ok>" : ""));
4788 pvr2_get_state_name(hdw->master_state));
4790 unsigned int tcnt = 0;
4793 ccnt = scnprintf(buf,
4795 "Hardware supported inputs: ");
4797 tcnt += print_input_mask(hdw->input_avail_mask,
4800 if (hdw->input_avail_mask != hdw->input_allowed_mask) {
4801 ccnt = scnprintf(buf+tcnt,
4803 "; allowed inputs: ");
4805 tcnt += print_input_mask(hdw->input_allowed_mask,
4812 struct pvr2_stream_stats stats;
4813 if (!hdw->vid_stream) break;
4814 pvr2_stream_get_stats(hdw->vid_stream,
4820 " URBs: queued=%u idle=%u ready=%u"
4821 " processed=%u failed=%u",
4822 stats.bytes_processed,
4823 stats.buffers_in_queue,
4824 stats.buffers_in_idle,
4825 stats.buffers_in_ready,
4826 stats.buffers_processed,
4827 stats.buffers_failed);
4830 unsigned int id = hdw->ir_scheme_active;
4831 return scnprintf(buf, acnt, "ir scheme: id=%d %s", id,
4832 (id >= ARRAY_SIZE(ir_scheme_names) ?
4833 "?" : ir_scheme_names[id]));
4841 /* Generate report containing info about attached sub-devices and attached
4842 i2c clients, including an indication of which attached i2c clients are
4843 actually sub-devices. */
4844 static unsigned int pvr2_hdw_report_clients(struct pvr2_hdw *hdw,
4845 char *buf, unsigned int acnt)
4847 struct v4l2_subdev *sd;
4848 unsigned int tcnt = 0;
4850 struct i2c_client *client;
4854 ccnt = scnprintf(buf, acnt, "Associated v4l2-subdev drivers and I2C clients:\n");
4856 v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) {
4859 if (id < ARRAY_SIZE(module_names)) p = module_names[id];
4861 ccnt = scnprintf(buf + tcnt, acnt - tcnt, " %s:", p);
4864 ccnt = scnprintf(buf + tcnt, acnt - tcnt,
4865 " (unknown id=%u):", id);
4868 client = v4l2_get_subdevdata(sd);
4870 ccnt = scnprintf(buf + tcnt, acnt - tcnt,
4871 " %s @ %02x\n", client->name,
4875 ccnt = scnprintf(buf + tcnt, acnt - tcnt,
4876 " no i2c client\n");
4884 unsigned int pvr2_hdw_state_report(struct pvr2_hdw *hdw,
4885 char *buf,unsigned int acnt)
4887 unsigned int bcnt,ccnt,idx;
4889 LOCK_TAKE(hdw->big_lock);
4890 for (idx = 0; ; idx++) {
4891 ccnt = pvr2_hdw_report_unlocked(hdw,idx,buf,acnt);
4893 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
4895 buf[0] = '\n'; ccnt = 1;
4896 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
4898 ccnt = pvr2_hdw_report_clients(hdw, buf, acnt);
4899 bcnt += ccnt; acnt -= ccnt; buf += ccnt;
4900 LOCK_GIVE(hdw->big_lock);
4905 static void pvr2_hdw_state_log_state(struct pvr2_hdw *hdw)
4908 unsigned int idx, ccnt;
4909 unsigned int lcnt, ucnt;
4911 for (idx = 0; ; idx++) {
4912 ccnt = pvr2_hdw_report_unlocked(hdw,idx,buf,sizeof(buf));
4914 printk(KERN_INFO "%s %.*s\n",hdw->name,ccnt,buf);
4916 ccnt = pvr2_hdw_report_clients(hdw, buf, sizeof(buf));
4918 while (ucnt < ccnt) {
4920 while ((lcnt + ucnt < ccnt) && (buf[lcnt + ucnt] != '\n')) {
4923 printk(KERN_INFO "%s %.*s\n", hdw->name, lcnt, buf + ucnt);
4929 /* Evaluate and update the driver's current state, taking various actions
4930 as appropriate for the update. */
4931 static int pvr2_hdw_state_eval(struct pvr2_hdw *hdw)
4934 int state_updated = 0;
4935 int callback_flag = 0;
4938 pvr2_trace(PVR2_TRACE_STBITS,
4939 "Drive state check START");
4940 if (pvrusb2_debug & PVR2_TRACE_STBITS) {
4941 pvr2_hdw_state_log_state(hdw);
4944 /* Process all state and get back over disposition */
4945 state_updated = pvr2_hdw_state_update(hdw);
4947 analog_mode = (hdw->pathway_state != PVR2_PATHWAY_DIGITAL);
4949 /* Update master state based upon all other states. */
4950 if (!hdw->flag_ok) {
4951 st = PVR2_STATE_DEAD;
4952 } else if (hdw->fw1_state != FW1_STATE_OK) {
4953 st = PVR2_STATE_COLD;
4954 } else if ((analog_mode ||
4955 hdw->hdw_desc->flag_digital_requires_cx23416) &&
4956 !hdw->state_encoder_ok) {
4957 st = PVR2_STATE_WARM;
4958 } else if (hdw->flag_tripped ||
4959 (analog_mode && hdw->flag_decoder_missed)) {
4960 st = PVR2_STATE_ERROR;
4961 } else if (hdw->state_usbstream_run &&
4963 (hdw->state_encoder_run && hdw->state_decoder_run))) {
4964 st = PVR2_STATE_RUN;
4966 st = PVR2_STATE_READY;
4968 if (hdw->master_state != st) {
4969 pvr2_trace(PVR2_TRACE_STATE,
4970 "Device state change from %s to %s",
4971 pvr2_get_state_name(hdw->master_state),
4972 pvr2_get_state_name(st));
4973 pvr2_led_ctrl(hdw,st == PVR2_STATE_RUN);
4974 hdw->master_state = st;
4978 if (state_updated) {
4979 /* Trigger anyone waiting on any state changes here. */
4980 wake_up(&hdw->state_wait_data);
4983 if (pvrusb2_debug & PVR2_TRACE_STBITS) {
4984 pvr2_hdw_state_log_state(hdw);
4986 pvr2_trace(PVR2_TRACE_STBITS,
4987 "Drive state check DONE callback=%d",callback_flag);
4989 return callback_flag;
4993 /* Cause kernel thread to check / update driver state */
4994 static void pvr2_hdw_state_sched(struct pvr2_hdw *hdw)
4996 if (hdw->state_stale) return;
4997 hdw->state_stale = !0;
4998 trace_stbit("state_stale",hdw->state_stale);
4999 queue_work(hdw->workqueue,&hdw->workpoll);
5003 int pvr2_hdw_gpio_get_dir(struct pvr2_hdw *hdw,u32 *dp)
5005 return pvr2_read_register(hdw,PVR2_GPIO_DIR,dp);
5009 int pvr2_hdw_gpio_get_out(struct pvr2_hdw *hdw,u32 *dp)
5011 return pvr2_read_register(hdw,PVR2_GPIO_OUT,dp);
5015 int pvr2_hdw_gpio_get_in(struct pvr2_hdw *hdw,u32 *dp)
5017 return pvr2_read_register(hdw,PVR2_GPIO_IN,dp);
5021 int pvr2_hdw_gpio_chg_dir(struct pvr2_hdw *hdw,u32 msk,u32 val)
5026 ret = pvr2_read_register(hdw,PVR2_GPIO_DIR,&cval);
5027 if (ret) return ret;
5028 nval = (cval & ~msk) | (val & msk);
5029 pvr2_trace(PVR2_TRACE_GPIO,
5030 "GPIO direction changing 0x%x:0x%x"
5031 " from 0x%x to 0x%x",
5035 pvr2_trace(PVR2_TRACE_GPIO,
5036 "GPIO direction changing to 0x%x",nval);
5038 return pvr2_write_register(hdw,PVR2_GPIO_DIR,nval);
5042 int pvr2_hdw_gpio_chg_out(struct pvr2_hdw *hdw,u32 msk,u32 val)
5047 ret = pvr2_read_register(hdw,PVR2_GPIO_OUT,&cval);
5048 if (ret) return ret;
5049 nval = (cval & ~msk) | (val & msk);
5050 pvr2_trace(PVR2_TRACE_GPIO,
5051 "GPIO output changing 0x%x:0x%x from 0x%x to 0x%x",
5055 pvr2_trace(PVR2_TRACE_GPIO,
5056 "GPIO output changing to 0x%x",nval);
5058 return pvr2_write_register(hdw,PVR2_GPIO_OUT,nval);
5062 void pvr2_hdw_status_poll(struct pvr2_hdw *hdw)
5064 struct v4l2_tuner *vtp = &hdw->tuner_signal_info;
5065 memset(vtp, 0, sizeof(*vtp));
5066 hdw->tuner_signal_stale = 0;
5067 /* Note: There apparently is no replacement for VIDIOC_CROPCAP
5068 using v4l2-subdev - therefore we can't support that AT ALL right
5069 now. (Of course, no sub-drivers seem to implement it either.
5070 But now it's a a chicken and egg problem...) */
5071 v4l2_device_call_all(&hdw->v4l2_dev, 0, tuner, g_tuner,
5072 &hdw->tuner_signal_info);
5073 pvr2_trace(PVR2_TRACE_CHIPS, "subdev status poll"
5074 " type=%u strength=%u audio=0x%x cap=0x%x"
5077 vtp->signal, vtp->rxsubchans, vtp->capability,
5078 vtp->rangelow, vtp->rangehigh);
5080 /* We have to do this to avoid getting into constant polling if
5081 there's nobody to answer a poll of cropcap info. */
5082 hdw->cropcap_stale = 0;
5086 unsigned int pvr2_hdw_get_input_available(struct pvr2_hdw *hdw)
5088 return hdw->input_avail_mask;
5092 unsigned int pvr2_hdw_get_input_allowed(struct pvr2_hdw *hdw)
5094 return hdw->input_allowed_mask;
5098 static int pvr2_hdw_set_input(struct pvr2_hdw *hdw,int v)
5100 if (hdw->input_val != v) {
5102 hdw->input_dirty = !0;
5105 /* Handle side effects - if we switch to a mode that needs the RF
5106 tuner, then select the right frequency choice as well and mark
5108 if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
5109 hdw->freqSelector = 0;
5110 hdw->freqDirty = !0;
5111 } else if ((hdw->input_val == PVR2_CVAL_INPUT_TV) ||
5112 (hdw->input_val == PVR2_CVAL_INPUT_DTV)) {
5113 hdw->freqSelector = 1;
5114 hdw->freqDirty = !0;
5120 int pvr2_hdw_set_input_allowed(struct pvr2_hdw *hdw,
5121 unsigned int change_mask,
5122 unsigned int change_val)
5125 unsigned int nv,m,idx;
5126 LOCK_TAKE(hdw->big_lock);
5128 nv = hdw->input_allowed_mask & ~change_mask;
5129 nv |= (change_val & change_mask);
5130 nv &= hdw->input_avail_mask;
5132 /* No legal modes left; return error instead. */
5136 hdw->input_allowed_mask = nv;
5137 if ((1 << hdw->input_val) & hdw->input_allowed_mask) {
5138 /* Current mode is still in the allowed mask, so
5142 /* Select and switch to a mode that is still in the allowed
5144 if (!hdw->input_allowed_mask) {
5145 /* Nothing legal; give up */
5148 m = hdw->input_allowed_mask;
5149 for (idx = 0; idx < (sizeof(m) << 3); idx++) {
5150 if (!((1 << idx) & m)) continue;
5151 pvr2_hdw_set_input(hdw,idx);
5155 LOCK_GIVE(hdw->big_lock);
5160 /* Find I2C address of eeprom */
5161 static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw)
5164 LOCK_TAKE(hdw->ctl_lock); do {
5165 hdw->cmd_buffer[0] = FX2CMD_GET_EEPROM_ADDR;
5166 result = pvr2_send_request(hdw,
5169 if (result < 0) break;
5170 result = hdw->cmd_buffer[0];
5171 } while(0); LOCK_GIVE(hdw->ctl_lock);
5176 int pvr2_hdw_register_access(struct pvr2_hdw *hdw,
5177 struct v4l2_dbg_match *match, u64 reg_id,
5178 int setFl, u64 *val_ptr)
5180 #ifdef CONFIG_VIDEO_ADV_DEBUG
5181 struct v4l2_dbg_register req;
5185 if (!capable(CAP_SYS_ADMIN)) return -EPERM;
5189 if (setFl) req.val = *val_ptr;
5190 /* It would be nice to know if a sub-device answered the request */
5191 v4l2_device_call_all(&hdw->v4l2_dev, 0, core, g_register, &req);
5192 if (!setFl) *val_ptr = req.val;
5204 Stuff for Emacs to see, in order to encourage consistent editing style:
5205 *** Local Variables: ***
5207 *** fill-column: 75 ***
5208 *** tab-width: 8 ***
5209 *** c-basic-offset: 8 ***