Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 1 | #include "pd-common.h" |
| 2 | #include <linux/kernel.h> |
| 3 | #include <linux/usb.h> |
| 4 | #include <linux/dvb/dmx.h> |
| 5 | #include <linux/delay.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 6 | #include <linux/gfp.h> |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 7 | |
| 8 | #include "vendorcmds.h" |
| 9 | #include <linux/sched.h> |
Arun Sharma | 60063497 | 2011-07-26 16:09:06 -0700 | [diff] [blame] | 10 | #include <linux/atomic.h> |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 11 | |
| 12 | static void dvb_urb_cleanup(struct pd_dvb_adapter *pd_dvb); |
| 13 | |
| 14 | static int dvb_bandwidth[][2] = { |
| 15 | { TLG_BW_8, BANDWIDTH_8_MHZ }, |
| 16 | { TLG_BW_7, BANDWIDTH_7_MHZ }, |
| 17 | { TLG_BW_6, BANDWIDTH_6_MHZ } |
| 18 | }; |
| 19 | static int dvb_bandwidth_length = ARRAY_SIZE(dvb_bandwidth); |
| 20 | |
| 21 | static s32 dvb_start_streaming(struct pd_dvb_adapter *pd_dvb); |
| 22 | static int poseidon_check_mode_dvbt(struct poseidon *pd) |
| 23 | { |
| 24 | s32 ret = 0, cmd_status = 0; |
| 25 | |
| 26 | set_current_state(TASK_INTERRUPTIBLE); |
| 27 | schedule_timeout(HZ/4); |
| 28 | |
| 29 | ret = usb_set_interface(pd->udev, 0, BULK_ALTERNATE_IFACE); |
| 30 | if (ret != 0) |
| 31 | return ret; |
| 32 | |
| 33 | ret = set_tuner_mode(pd, TLG_MODE_CAPS_DVB_T); |
| 34 | if (ret) |
| 35 | return ret; |
| 36 | |
| 37 | /* signal source */ |
| 38 | ret = send_set_req(pd, SGNL_SRC_SEL, TLG_SIG_SRC_ANTENNA, &cmd_status); |
| 39 | if (ret|cmd_status) |
| 40 | return ret; |
| 41 | |
| 42 | return 0; |
| 43 | } |
| 44 | |
| 45 | /* acquire : |
| 46 | * 1 == open |
| 47 | * 0 == release |
| 48 | */ |
| 49 | static int poseidon_ts_bus_ctrl(struct dvb_frontend *fe, int acquire) |
| 50 | { |
| 51 | struct poseidon *pd = fe->demodulator_priv; |
| 52 | struct pd_dvb_adapter *pd_dvb; |
| 53 | int ret = 0; |
| 54 | |
| 55 | if (!pd) |
| 56 | return -ENODEV; |
| 57 | |
| 58 | pd_dvb = container_of(fe, struct pd_dvb_adapter, dvb_fe); |
| 59 | if (acquire) { |
| 60 | mutex_lock(&pd->lock); |
| 61 | if (pd->state & POSEIDON_STATE_DISCONNECT) { |
| 62 | ret = -ENODEV; |
| 63 | goto open_out; |
| 64 | } |
| 65 | |
| 66 | if (pd->state && !(pd->state & POSEIDON_STATE_DVBT)) { |
| 67 | ret = -EBUSY; |
| 68 | goto open_out; |
| 69 | } |
| 70 | |
| 71 | usb_autopm_get_interface(pd->interface); |
| 72 | if (0 == pd->state) { |
| 73 | ret = poseidon_check_mode_dvbt(pd); |
| 74 | if (ret < 0) { |
| 75 | usb_autopm_put_interface(pd->interface); |
| 76 | goto open_out; |
| 77 | } |
| 78 | pd->state |= POSEIDON_STATE_DVBT; |
| 79 | pd_dvb->bandwidth = 0; |
| 80 | pd_dvb->prev_freq = 0; |
| 81 | } |
| 82 | atomic_inc(&pd_dvb->users); |
| 83 | kref_get(&pd->kref); |
| 84 | open_out: |
| 85 | mutex_unlock(&pd->lock); |
| 86 | } else { |
| 87 | dvb_stop_streaming(pd_dvb); |
| 88 | |
| 89 | if (atomic_dec_and_test(&pd_dvb->users)) { |
| 90 | mutex_lock(&pd->lock); |
| 91 | pd->state &= ~POSEIDON_STATE_DVBT; |
| 92 | mutex_unlock(&pd->lock); |
| 93 | } |
| 94 | kref_put(&pd->kref, poseidon_delete); |
| 95 | usb_autopm_put_interface(pd->interface); |
| 96 | } |
| 97 | return ret; |
| 98 | } |
| 99 | |
Márton Németh | 6c9eaa8 | 2010-02-28 11:19:47 -0300 | [diff] [blame] | 100 | #ifdef CONFIG_PM |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 101 | static void poseidon_fe_release(struct dvb_frontend *fe) |
| 102 | { |
| 103 | struct poseidon *pd = fe->demodulator_priv; |
| 104 | |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 105 | pd->pm_suspend = NULL; |
| 106 | pd->pm_resume = NULL; |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 107 | } |
Márton Németh | 6c9eaa8 | 2010-02-28 11:19:47 -0300 | [diff] [blame] | 108 | #else |
| 109 | #define poseidon_fe_release NULL |
| 110 | #endif |
Huang Shijie | 5b3f03f | 2010-02-02 04:07:47 -0300 | [diff] [blame] | 111 | |
| 112 | static s32 poseidon_fe_sleep(struct dvb_frontend *fe) |
| 113 | { |
| 114 | return 0; |
| 115 | } |
| 116 | |
| 117 | /* |
| 118 | * return true if we can satisfy the conditions, else return false. |
| 119 | */ |
| 120 | static bool check_scan_ok(__u32 freq, int bandwidth, |
| 121 | struct pd_dvb_adapter *adapter) |
| 122 | { |
| 123 | if (bandwidth < 0) |
| 124 | return false; |
| 125 | |
| 126 | if (adapter->prev_freq == freq |
| 127 | && adapter->bandwidth == bandwidth) { |
| 128 | long nl = jiffies - adapter->last_jiffies; |
| 129 | unsigned int msec ; |
| 130 | |
| 131 | msec = jiffies_to_msecs(abs(nl)); |
| 132 | return msec > 15000 ? true : false; |
| 133 | } |
| 134 | return true; |
| 135 | } |
| 136 | |
| 137 | /* |
| 138 | * Check if the firmware delays too long for an invalid frequency. |
| 139 | */ |
| 140 | static int fw_delay_overflow(struct pd_dvb_adapter *adapter) |
| 141 | { |
| 142 | long nl = jiffies - adapter->last_jiffies; |
| 143 | unsigned int msec ; |
| 144 | |
| 145 | msec = jiffies_to_msecs(abs(nl)); |
| 146 | return msec > 800 ? true : false; |
| 147 | } |
| 148 | |
| 149 | static int poseidon_set_fe(struct dvb_frontend *fe, |
| 150 | struct dvb_frontend_parameters *fep) |
| 151 | { |
| 152 | s32 ret = 0, cmd_status = 0; |
| 153 | s32 i, bandwidth = -1; |
| 154 | struct poseidon *pd = fe->demodulator_priv; |
| 155 | struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; |
| 156 | |
| 157 | if (in_hibernation(pd)) |
| 158 | return -EBUSY; |
| 159 | |
| 160 | mutex_lock(&pd->lock); |
| 161 | for (i = 0; i < dvb_bandwidth_length; i++) |
| 162 | if (fep->u.ofdm.bandwidth == dvb_bandwidth[i][1]) |
| 163 | bandwidth = dvb_bandwidth[i][0]; |
| 164 | |
| 165 | if (check_scan_ok(fep->frequency, bandwidth, pd_dvb)) { |
| 166 | ret = send_set_req(pd, TUNE_FREQ_SELECT, |
| 167 | fep->frequency / 1000, &cmd_status); |
| 168 | if (ret | cmd_status) { |
| 169 | log("error line"); |
| 170 | goto front_out; |
| 171 | } |
| 172 | |
| 173 | ret = send_set_req(pd, DVBT_BANDW_SEL, |
| 174 | bandwidth, &cmd_status); |
| 175 | if (ret | cmd_status) { |
| 176 | log("error line"); |
| 177 | goto front_out; |
| 178 | } |
| 179 | |
| 180 | ret = send_set_req(pd, TAKE_REQUEST, 0, &cmd_status); |
| 181 | if (ret | cmd_status) { |
| 182 | log("error line"); |
| 183 | goto front_out; |
| 184 | } |
| 185 | |
| 186 | /* save the context for future */ |
| 187 | memcpy(&pd_dvb->fe_param, fep, sizeof(*fep)); |
| 188 | pd_dvb->bandwidth = bandwidth; |
| 189 | pd_dvb->prev_freq = fep->frequency; |
| 190 | pd_dvb->last_jiffies = jiffies; |
| 191 | } |
| 192 | front_out: |
| 193 | mutex_unlock(&pd->lock); |
| 194 | return ret; |
| 195 | } |
| 196 | |
| 197 | #ifdef CONFIG_PM |
| 198 | static int pm_dvb_suspend(struct poseidon *pd) |
| 199 | { |
| 200 | struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; |
| 201 | dvb_stop_streaming(pd_dvb); |
| 202 | dvb_urb_cleanup(pd_dvb); |
| 203 | msleep(500); |
| 204 | return 0; |
| 205 | } |
| 206 | |
| 207 | static int pm_dvb_resume(struct poseidon *pd) |
| 208 | { |
| 209 | struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; |
| 210 | |
| 211 | poseidon_check_mode_dvbt(pd); |
| 212 | msleep(300); |
| 213 | poseidon_set_fe(&pd_dvb->dvb_fe, &pd_dvb->fe_param); |
| 214 | |
| 215 | dvb_start_streaming(pd_dvb); |
| 216 | return 0; |
| 217 | } |
| 218 | #endif |
| 219 | |
| 220 | static s32 poseidon_fe_init(struct dvb_frontend *fe) |
| 221 | { |
| 222 | struct poseidon *pd = fe->demodulator_priv; |
| 223 | struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; |
| 224 | |
| 225 | #ifdef CONFIG_PM |
| 226 | pd->pm_suspend = pm_dvb_suspend; |
| 227 | pd->pm_resume = pm_dvb_resume; |
| 228 | #endif |
| 229 | memset(&pd_dvb->fe_param, 0, |
| 230 | sizeof(struct dvb_frontend_parameters)); |
| 231 | return 0; |
| 232 | } |
| 233 | |
| 234 | static int poseidon_get_fe(struct dvb_frontend *fe, |
| 235 | struct dvb_frontend_parameters *fep) |
| 236 | { |
| 237 | struct poseidon *pd = fe->demodulator_priv; |
| 238 | struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; |
| 239 | |
| 240 | memcpy(fep, &pd_dvb->fe_param, sizeof(*fep)); |
| 241 | return 0; |
| 242 | } |
| 243 | |
| 244 | static int poseidon_fe_get_tune_settings(struct dvb_frontend *fe, |
| 245 | struct dvb_frontend_tune_settings *tune) |
| 246 | { |
| 247 | tune->min_delay_ms = 1000; |
| 248 | return 0; |
| 249 | } |
| 250 | |
| 251 | static int poseidon_read_status(struct dvb_frontend *fe, fe_status_t *stat) |
| 252 | { |
| 253 | struct poseidon *pd = fe->demodulator_priv; |
| 254 | s32 ret = -1, cmd_status; |
| 255 | struct tuner_dtv_sig_stat_s status = {}; |
| 256 | |
| 257 | if (in_hibernation(pd)) |
| 258 | return -EBUSY; |
| 259 | mutex_lock(&pd->lock); |
| 260 | |
| 261 | ret = send_get_req(pd, TUNER_STATUS, TLG_MODE_DVB_T, |
| 262 | &status, &cmd_status, sizeof(status)); |
| 263 | if (ret | cmd_status) { |
| 264 | log("get tuner status error"); |
| 265 | goto out; |
| 266 | } |
| 267 | |
| 268 | if (debug_mode) |
| 269 | log("P : %d, L %d, LB :%d", status.sig_present, |
| 270 | status.sig_locked, status.sig_lock_busy); |
| 271 | |
| 272 | if (status.sig_lock_busy) { |
| 273 | goto out; |
| 274 | } else if (status.sig_present || status.sig_locked) { |
| 275 | *stat |= FE_HAS_LOCK | FE_HAS_SIGNAL | FE_HAS_CARRIER |
| 276 | | FE_HAS_SYNC | FE_HAS_VITERBI; |
| 277 | } else { |
| 278 | if (fw_delay_overflow(&pd->dvb_data)) |
| 279 | *stat |= FE_TIMEDOUT; |
| 280 | } |
| 281 | out: |
| 282 | mutex_unlock(&pd->lock); |
| 283 | return ret; |
| 284 | } |
| 285 | |
| 286 | static int poseidon_read_ber(struct dvb_frontend *fe, u32 *ber) |
| 287 | { |
| 288 | struct poseidon *pd = fe->demodulator_priv; |
| 289 | struct tuner_ber_rate_s tlg_ber = {}; |
| 290 | s32 ret = -1, cmd_status; |
| 291 | |
| 292 | mutex_lock(&pd->lock); |
| 293 | ret = send_get_req(pd, TUNER_BER_RATE, 0, |
| 294 | &tlg_ber, &cmd_status, sizeof(tlg_ber)); |
| 295 | if (ret | cmd_status) |
| 296 | goto out; |
| 297 | *ber = tlg_ber.ber_rate; |
| 298 | out: |
| 299 | mutex_unlock(&pd->lock); |
| 300 | return ret; |
| 301 | } |
| 302 | |
| 303 | static s32 poseidon_read_signal_strength(struct dvb_frontend *fe, u16 *strength) |
| 304 | { |
| 305 | struct poseidon *pd = fe->demodulator_priv; |
| 306 | struct tuner_dtv_sig_stat_s status = {}; |
| 307 | s32 ret = 0, cmd_status; |
| 308 | |
| 309 | mutex_lock(&pd->lock); |
| 310 | ret = send_get_req(pd, TUNER_STATUS, TLG_MODE_DVB_T, |
| 311 | &status, &cmd_status, sizeof(status)); |
| 312 | if (ret | cmd_status) |
| 313 | goto out; |
| 314 | if ((status.sig_present || status.sig_locked) && !status.sig_strength) |
| 315 | *strength = 0xFFFF; |
| 316 | else |
| 317 | *strength = status.sig_strength; |
| 318 | out: |
| 319 | mutex_unlock(&pd->lock); |
| 320 | return ret; |
| 321 | } |
| 322 | |
| 323 | static int poseidon_read_snr(struct dvb_frontend *fe, u16 *snr) |
| 324 | { |
| 325 | return 0; |
| 326 | } |
| 327 | |
| 328 | static int poseidon_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) |
| 329 | { |
| 330 | *unc = 0; |
| 331 | return 0; |
| 332 | } |
| 333 | |
| 334 | static struct dvb_frontend_ops poseidon_frontend_ops = { |
| 335 | .info = { |
| 336 | .name = "Poseidon DVB-T", |
| 337 | .type = FE_OFDM, |
| 338 | .frequency_min = 174000000, |
| 339 | .frequency_max = 862000000, |
| 340 | .frequency_stepsize = 62500,/* FIXME */ |
| 341 | .caps = FE_CAN_INVERSION_AUTO | |
| 342 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | |
| 343 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | |
| 344 | FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | |
| 345 | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | |
| 346 | FE_CAN_GUARD_INTERVAL_AUTO | |
| 347 | FE_CAN_RECOVER | |
| 348 | FE_CAN_HIERARCHY_AUTO, |
| 349 | }, |
| 350 | |
| 351 | .release = poseidon_fe_release, |
| 352 | |
| 353 | .init = poseidon_fe_init, |
| 354 | .sleep = poseidon_fe_sleep, |
| 355 | |
| 356 | .set_frontend = poseidon_set_fe, |
| 357 | .get_frontend = poseidon_get_fe, |
| 358 | .get_tune_settings = poseidon_fe_get_tune_settings, |
| 359 | |
| 360 | .read_status = poseidon_read_status, |
| 361 | .read_ber = poseidon_read_ber, |
| 362 | .read_signal_strength = poseidon_read_signal_strength, |
| 363 | .read_snr = poseidon_read_snr, |
| 364 | .read_ucblocks = poseidon_read_unc_blocks, |
| 365 | |
| 366 | .ts_bus_ctrl = poseidon_ts_bus_ctrl, |
| 367 | }; |
| 368 | |
| 369 | static void dvb_urb_irq(struct urb *urb) |
| 370 | { |
| 371 | struct pd_dvb_adapter *pd_dvb = urb->context; |
| 372 | int len = urb->transfer_buffer_length; |
| 373 | struct dvb_demux *demux = &pd_dvb->demux; |
| 374 | s32 ret; |
| 375 | |
| 376 | if (!pd_dvb->is_streaming || urb->status) { |
| 377 | if (urb->status == -EPROTO) |
| 378 | goto resend; |
| 379 | return; |
| 380 | } |
| 381 | |
| 382 | if (urb->actual_length == len) |
| 383 | dvb_dmx_swfilter(demux, urb->transfer_buffer, len); |
| 384 | else if (urb->actual_length == len - 4) { |
| 385 | int offset; |
| 386 | u8 *buf = urb->transfer_buffer; |
| 387 | |
| 388 | /* |
| 389 | * The packet size is 512, |
| 390 | * last packet contains 456 bytes tsp data |
| 391 | */ |
| 392 | for (offset = 456; offset < len; offset += 512) { |
| 393 | if (!strncmp(buf + offset, "DVHS", 4)) { |
| 394 | dvb_dmx_swfilter(demux, buf, offset); |
| 395 | if (len > offset + 52 + 4) { |
| 396 | /*16 bytes trailer + 36 bytes padding */ |
| 397 | buf += offset + 52; |
| 398 | len -= offset + 52 + 4; |
| 399 | dvb_dmx_swfilter(demux, buf, len); |
| 400 | } |
| 401 | break; |
| 402 | } |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | resend: |
| 407 | ret = usb_submit_urb(urb, GFP_ATOMIC); |
| 408 | if (ret) |
| 409 | log(" usb_submit_urb failed: error %d", ret); |
| 410 | } |
| 411 | |
| 412 | static int dvb_urb_init(struct pd_dvb_adapter *pd_dvb) |
| 413 | { |
| 414 | if (pd_dvb->urb_array[0]) |
| 415 | return 0; |
| 416 | |
| 417 | alloc_bulk_urbs_generic(pd_dvb->urb_array, DVB_SBUF_NUM, |
| 418 | pd_dvb->pd_device->udev, pd_dvb->ep_addr, |
| 419 | DVB_URB_BUF_SIZE, GFP_KERNEL, |
| 420 | dvb_urb_irq, pd_dvb); |
| 421 | return 0; |
| 422 | } |
| 423 | |
| 424 | static void dvb_urb_cleanup(struct pd_dvb_adapter *pd_dvb) |
| 425 | { |
| 426 | free_all_urb_generic(pd_dvb->urb_array, DVB_SBUF_NUM); |
| 427 | } |
| 428 | |
| 429 | static s32 dvb_start_streaming(struct pd_dvb_adapter *pd_dvb) |
| 430 | { |
| 431 | struct poseidon *pd = pd_dvb->pd_device; |
| 432 | int ret = 0; |
| 433 | |
| 434 | if (pd->state & POSEIDON_STATE_DISCONNECT) |
| 435 | return -ENODEV; |
| 436 | |
| 437 | mutex_lock(&pd->lock); |
| 438 | if (!pd_dvb->is_streaming) { |
| 439 | s32 i, cmd_status = 0; |
| 440 | /* |
| 441 | * Once upon a time, there was a difficult bug lying here. |
| 442 | * ret = send_set_req(pd, TAKE_REQUEST, 0, &cmd_status); |
| 443 | */ |
| 444 | |
| 445 | ret = send_set_req(pd, PLAY_SERVICE, 1, &cmd_status); |
| 446 | if (ret | cmd_status) |
| 447 | goto out; |
| 448 | |
| 449 | ret = dvb_urb_init(pd_dvb); |
| 450 | if (ret < 0) |
| 451 | goto out; |
| 452 | |
| 453 | pd_dvb->is_streaming = 1; |
| 454 | for (i = 0; i < DVB_SBUF_NUM; i++) { |
| 455 | ret = usb_submit_urb(pd_dvb->urb_array[i], |
| 456 | GFP_KERNEL); |
| 457 | if (ret) { |
| 458 | log(" submit urb error %d", ret); |
| 459 | goto out; |
| 460 | } |
| 461 | } |
| 462 | } |
| 463 | out: |
| 464 | mutex_unlock(&pd->lock); |
| 465 | return ret; |
| 466 | } |
| 467 | |
| 468 | void dvb_stop_streaming(struct pd_dvb_adapter *pd_dvb) |
| 469 | { |
| 470 | struct poseidon *pd = pd_dvb->pd_device; |
| 471 | |
| 472 | mutex_lock(&pd->lock); |
| 473 | if (pd_dvb->is_streaming) { |
| 474 | s32 i, ret, cmd_status = 0; |
| 475 | |
| 476 | pd_dvb->is_streaming = 0; |
| 477 | |
| 478 | for (i = 0; i < DVB_SBUF_NUM; i++) |
| 479 | if (pd_dvb->urb_array[i]) |
| 480 | usb_kill_urb(pd_dvb->urb_array[i]); |
| 481 | |
| 482 | ret = send_set_req(pd, PLAY_SERVICE, TLG_TUNE_PLAY_SVC_STOP, |
| 483 | &cmd_status); |
| 484 | if (ret | cmd_status) |
| 485 | log("error"); |
| 486 | } |
| 487 | mutex_unlock(&pd->lock); |
| 488 | } |
| 489 | |
| 490 | static int pd_start_feed(struct dvb_demux_feed *feed) |
| 491 | { |
| 492 | struct pd_dvb_adapter *pd_dvb = feed->demux->priv; |
| 493 | int ret = 0; |
| 494 | |
| 495 | if (!pd_dvb) |
| 496 | return -1; |
| 497 | if (atomic_inc_return(&pd_dvb->active_feed) == 1) |
| 498 | ret = dvb_start_streaming(pd_dvb); |
| 499 | return ret; |
| 500 | } |
| 501 | |
| 502 | static int pd_stop_feed(struct dvb_demux_feed *feed) |
| 503 | { |
| 504 | struct pd_dvb_adapter *pd_dvb = feed->demux->priv; |
| 505 | |
| 506 | if (!pd_dvb) |
| 507 | return -1; |
| 508 | if (atomic_dec_and_test(&pd_dvb->active_feed)) |
| 509 | dvb_stop_streaming(pd_dvb); |
| 510 | return 0; |
| 511 | } |
| 512 | |
| 513 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
| 514 | int pd_dvb_usb_device_init(struct poseidon *pd) |
| 515 | { |
| 516 | struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; |
| 517 | struct dvb_demux *dvbdemux; |
| 518 | int ret = 0; |
| 519 | |
| 520 | pd_dvb->ep_addr = 0x82; |
| 521 | atomic_set(&pd_dvb->users, 0); |
| 522 | atomic_set(&pd_dvb->active_feed, 0); |
| 523 | pd_dvb->pd_device = pd; |
| 524 | |
| 525 | ret = dvb_register_adapter(&pd_dvb->dvb_adap, |
| 526 | "Poseidon dvbt adapter", |
| 527 | THIS_MODULE, |
| 528 | NULL /* for hibernation correctly*/, |
| 529 | adapter_nr); |
| 530 | if (ret < 0) |
| 531 | goto error1; |
| 532 | |
| 533 | /* register frontend */ |
| 534 | pd_dvb->dvb_fe.demodulator_priv = pd; |
| 535 | memcpy(&pd_dvb->dvb_fe.ops, &poseidon_frontend_ops, |
| 536 | sizeof(struct dvb_frontend_ops)); |
| 537 | ret = dvb_register_frontend(&pd_dvb->dvb_adap, &pd_dvb->dvb_fe); |
| 538 | if (ret < 0) |
| 539 | goto error2; |
| 540 | |
| 541 | /* register demux device */ |
| 542 | dvbdemux = &pd_dvb->demux; |
| 543 | dvbdemux->dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING; |
| 544 | dvbdemux->priv = pd_dvb; |
| 545 | dvbdemux->feednum = dvbdemux->filternum = 64; |
| 546 | dvbdemux->start_feed = pd_start_feed; |
| 547 | dvbdemux->stop_feed = pd_stop_feed; |
| 548 | dvbdemux->write_to_decoder = NULL; |
| 549 | |
| 550 | ret = dvb_dmx_init(dvbdemux); |
| 551 | if (ret < 0) |
| 552 | goto error3; |
| 553 | |
| 554 | pd_dvb->dmxdev.filternum = pd_dvb->demux.filternum; |
| 555 | pd_dvb->dmxdev.demux = &pd_dvb->demux.dmx; |
| 556 | pd_dvb->dmxdev.capabilities = 0; |
| 557 | |
| 558 | ret = dvb_dmxdev_init(&pd_dvb->dmxdev, &pd_dvb->dvb_adap); |
| 559 | if (ret < 0) |
| 560 | goto error3; |
| 561 | return 0; |
| 562 | |
| 563 | error3: |
| 564 | dvb_unregister_frontend(&pd_dvb->dvb_fe); |
| 565 | error2: |
| 566 | dvb_unregister_adapter(&pd_dvb->dvb_adap); |
| 567 | error1: |
| 568 | return ret; |
| 569 | } |
| 570 | |
| 571 | void pd_dvb_usb_device_exit(struct poseidon *pd) |
| 572 | { |
| 573 | struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; |
| 574 | |
| 575 | while (atomic_read(&pd_dvb->users) != 0 |
| 576 | || atomic_read(&pd_dvb->active_feed) != 0) { |
| 577 | set_current_state(TASK_INTERRUPTIBLE); |
| 578 | schedule_timeout(HZ); |
| 579 | } |
| 580 | dvb_dmxdev_release(&pd_dvb->dmxdev); |
| 581 | dvb_unregister_frontend(&pd_dvb->dvb_fe); |
| 582 | dvb_unregister_adapter(&pd_dvb->dvb_adap); |
| 583 | pd_dvb_usb_device_cleanup(pd); |
| 584 | } |
| 585 | |
| 586 | void pd_dvb_usb_device_cleanup(struct poseidon *pd) |
| 587 | { |
| 588 | struct pd_dvb_adapter *pd_dvb = &pd->dvb_data; |
| 589 | |
| 590 | dvb_urb_cleanup(pd_dvb); |
| 591 | } |
| 592 | |
| 593 | int pd_dvb_get_adapter_num(struct pd_dvb_adapter *pd_dvb) |
| 594 | { |
| 595 | return pd_dvb->dvb_adap.num; |
| 596 | } |