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