1/* 2 * Driver for the NXP SAA7164 PCIe bridge 3 * 4 * Copyright (c) 2010 Steven Toth <stoth@kernellabs.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, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 */ 21 22#include "saa7164.h" 23 24#include "tda10048.h" 25#include "tda18271.h" 26#include "s5h1411.h" 27 28#define DRIVER_NAME "saa7164" 29 30DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 31 32/* addr is in the card struct, get it from there */ 33static struct tda10048_config hauppauge_hvr2200_1_config = { 34 .demod_address = 0x10 >> 1, 35 .output_mode = TDA10048_SERIAL_OUTPUT, 36 .fwbulkwritelen = TDA10048_BULKWRITE_200, 37 .inversion = TDA10048_INVERSION_ON, 38 .dtv6_if_freq_khz = TDA10048_IF_3300, 39 .dtv7_if_freq_khz = TDA10048_IF_3500, 40 .dtv8_if_freq_khz = TDA10048_IF_4000, 41 .clk_freq_khz = TDA10048_CLK_16000, 42}; 43static struct tda10048_config hauppauge_hvr2200_2_config = { 44 .demod_address = 0x12 >> 1, 45 .output_mode = TDA10048_SERIAL_OUTPUT, 46 .fwbulkwritelen = TDA10048_BULKWRITE_200, 47 .inversion = TDA10048_INVERSION_ON, 48 .dtv6_if_freq_khz = TDA10048_IF_3300, 49 .dtv7_if_freq_khz = TDA10048_IF_3500, 50 .dtv8_if_freq_khz = TDA10048_IF_4000, 51 .clk_freq_khz = TDA10048_CLK_16000, 52}; 53 54static struct tda18271_std_map hauppauge_tda18271_std_map = { 55 .atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 3, 56 .if_lvl = 6, .rfagc_top = 0x37 }, 57 .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 0, 58 .if_lvl = 6, .rfagc_top = 0x37 }, 59}; 60 61static struct tda18271_config hauppauge_hvr22x0_tuner_config = { 62 .std_map = &hauppauge_tda18271_std_map, 63 .gate = TDA18271_GATE_ANALOG, 64 .role = TDA18271_MASTER, 65}; 66 67static struct tda18271_config hauppauge_hvr22x0s_tuner_config = { 68 .std_map = &hauppauge_tda18271_std_map, 69 .gate = TDA18271_GATE_ANALOG, 70 .role = TDA18271_SLAVE, 71 .output_opt = TDA18271_OUTPUT_LT_OFF, 72 .rf_cal_on_startup = 1 73}; 74 75static struct s5h1411_config hauppauge_s5h1411_config = { 76 .output_mode = S5H1411_SERIAL_OUTPUT, 77 .gpio = S5H1411_GPIO_ON, 78 .qam_if = S5H1411_IF_4000, 79 .vsb_if = S5H1411_IF_3250, 80 .inversion = S5H1411_INVERSION_ON, 81 .status_mode = S5H1411_DEMODLOCKING, 82 .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, 83}; 84 85static int saa7164_dvb_stop_port(struct saa7164_port *port) 86{ 87 struct saa7164_dev *dev = port->dev; 88 int ret; 89 90 ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); 91 if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { 92 printk(KERN_ERR "%s() stop transition failed, ret = 0x%x\n", 93 __func__, ret); 94 ret = -EIO; 95 } else { 96 dprintk(DBGLVL_DVB, "%s() Stopped\n", __func__); 97 ret = 0; 98 } 99 100 return ret; 101} 102 103static int saa7164_dvb_acquire_port(struct saa7164_port *port) 104{ 105 struct saa7164_dev *dev = port->dev; 106 int ret; 107 108 ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); 109 if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { 110 printk(KERN_ERR "%s() acquire transition failed, ret = 0x%x\n", 111 __func__, ret); 112 ret = -EIO; 113 } else { 114 dprintk(DBGLVL_DVB, "%s() Acquired\n", __func__); 115 ret = 0; 116 } 117 118 return ret; 119} 120 121static int saa7164_dvb_pause_port(struct saa7164_port *port) 122{ 123 struct saa7164_dev *dev = port->dev; 124 int ret; 125 126 ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); 127 if ((ret != SAA_OK) && (ret != SAA_ERR_ALREADY_STOPPED)) { 128 printk(KERN_ERR "%s() pause transition failed, ret = 0x%x\n", 129 __func__, ret); 130 ret = -EIO; 131 } else { 132 dprintk(DBGLVL_DVB, "%s() Paused\n", __func__); 133 ret = 0; 134 } 135 136 return ret; 137} 138 139/* Firmware is very windows centric, meaning you have to transition 140 * the part through AVStream / KS Windows stages, forwards or backwards. 141 * States are: stopped, acquired (h/w), paused, started. 142 */ 143static int saa7164_dvb_stop_streaming(struct saa7164_port *port) 144{ 145 struct saa7164_dev *dev = port->dev; 146 struct saa7164_buffer *buf; 147 struct list_head *p, *q; 148 int ret; 149 150 dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); 151 152 ret = saa7164_dvb_pause_port(port); 153 ret = saa7164_dvb_acquire_port(port); 154 ret = saa7164_dvb_stop_port(port); 155 156 /* Mark the hardware buffers as free */ 157 mutex_lock(&port->dmaqueue_lock); 158 list_for_each_safe(p, q, &port->dmaqueue.list) { 159 buf = list_entry(p, struct saa7164_buffer, list); 160 buf->flags = SAA7164_BUFFER_FREE; 161 } 162 mutex_unlock(&port->dmaqueue_lock); 163 164 return ret; 165} 166 167static int saa7164_dvb_start_port(struct saa7164_port *port) 168{ 169 struct saa7164_dev *dev = port->dev; 170 int ret = 0, result; 171 172 dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); 173 174 saa7164_buffer_cfg_port(port); 175 176 /* Acquire the hardware */ 177 result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE); 178 if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 179 printk(KERN_ERR "%s() acquire transition failed, res = 0x%x\n", 180 __func__, result); 181 182 /* Stop the hardware, regardless */ 183 result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); 184 if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 185 printk(KERN_ERR "%s() acquire/forced stop transition " 186 "failed, res = 0x%x\n", __func__, result); 187 } 188 ret = -EIO; 189 goto out; 190 } else 191 dprintk(DBGLVL_DVB, "%s() Acquired\n", __func__); 192 193 /* Pause the hardware */ 194 result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE); 195 if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 196 printk(KERN_ERR "%s() pause transition failed, res = 0x%x\n", 197 __func__, result); 198 199 /* Stop the hardware, regardless */ 200 result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); 201 if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 202 printk(KERN_ERR "%s() pause/forced stop transition " 203 "failed, res = 0x%x\n", __func__, result); 204 } 205 206 ret = -EIO; 207 goto out; 208 } else 209 dprintk(DBGLVL_DVB, "%s() Paused\n", __func__); 210 211 /* Start the hardware */ 212 result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN); 213 if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 214 printk(KERN_ERR "%s() run transition failed, result = 0x%x\n", 215 __func__, result); 216 217 /* Stop the hardware, regardless */ 218 result = saa7164_api_transition_port(port, SAA_DMASTATE_STOP); 219 if ((result != SAA_OK) && (result != SAA_ERR_ALREADY_STOPPED)) { 220 printk(KERN_ERR "%s() run/forced stop transition " 221 "failed, res = 0x%x\n", __func__, result); 222 } 223 224 ret = -EIO; 225 } else 226 dprintk(DBGLVL_DVB, "%s() Running\n", __func__); 227 228out: 229 return ret; 230} 231 232static int saa7164_dvb_start_feed(struct dvb_demux_feed *feed) 233{ 234 struct dvb_demux *demux = feed->demux; 235 struct saa7164_port *port = (struct saa7164_port *) demux->priv; 236 struct saa7164_dvb *dvb = &port->dvb; 237 struct saa7164_dev *dev = port->dev; 238 int ret = 0; 239 240 dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); 241 242 if (!demux->dmx.frontend) 243 return -EINVAL; 244 245 mutex_lock(&dvb->lock); 246 if (dvb->feeding++ == 0) { 247 /* Start transport */ 248 ret = saa7164_dvb_start_port(port); 249 } 250 mutex_unlock(&dvb->lock); 251 dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n", 252 __func__, port->nr, dvb->feeding); 253 254 return ret; 255} 256 257static int saa7164_dvb_stop_feed(struct dvb_demux_feed *feed) 258{ 259 struct dvb_demux *demux = feed->demux; 260 struct saa7164_port *port = (struct saa7164_port *) demux->priv; 261 struct saa7164_dvb *dvb = &port->dvb; 262 struct saa7164_dev *dev = port->dev; 263 int ret = 0; 264 265 dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); 266 267 mutex_lock(&dvb->lock); 268 if (--dvb->feeding == 0) { 269 /* Stop transport */ 270 ret = saa7164_dvb_stop_streaming(port); 271 } 272 mutex_unlock(&dvb->lock); 273 dprintk(DBGLVL_DVB, "%s(port=%d) now feeding = %d\n", 274 __func__, port->nr, dvb->feeding); 275 276 return ret; 277} 278 279static int dvb_register(struct saa7164_port *port) 280{ 281 struct saa7164_dvb *dvb = &port->dvb; 282 struct saa7164_dev *dev = port->dev; 283 struct saa7164_buffer *buf; 284 int result, i; 285 286 dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr); 287 288 if (port->type != SAA7164_MPEG_DVB) 289 BUG(); 290 291 /* Sanity check that the PCI configuration space is active */ 292 if (port->hwcfg.BARLocation == 0) { 293 result = -ENOMEM; 294 printk(KERN_ERR "%s: dvb_register_adapter failed " 295 "(errno = %d), NO PCI configuration\n", 296 DRIVER_NAME, result); 297 goto fail_adapter; 298 } 299 300 /* Init and establish defaults */ 301 port->hw_streamingparams.bitspersample = 8; 302 port->hw_streamingparams.samplesperline = 188; 303 port->hw_streamingparams.numberoflines = 304 (SAA7164_TS_NUMBER_OF_LINES * 188) / 188; 305 306 port->hw_streamingparams.pitch = 188; 307 port->hw_streamingparams.linethreshold = 0; 308 port->hw_streamingparams.pagetablelistvirt = NULL; 309 port->hw_streamingparams.pagetablelistphys = NULL; 310 port->hw_streamingparams.numpagetables = 2 + 311 ((SAA7164_TS_NUMBER_OF_LINES * 188) / PAGE_SIZE); 312 313 port->hw_streamingparams.numpagetableentries = port->hwcfg.buffercount; 314 315 /* Allocate the PCI resources */ 316 for (i = 0; i < port->hwcfg.buffercount; i++) { 317 buf = saa7164_buffer_alloc(port, 318 port->hw_streamingparams.numberoflines * 319 port->hw_streamingparams.pitch); 320 321 if (!buf) { 322 result = -ENOMEM; 323 printk(KERN_ERR "%s: dvb_register_adapter failed " 324 "(errno = %d), unable to allocate buffers\n", 325 DRIVER_NAME, result); 326 goto fail_adapter; 327 } 328 329 mutex_lock(&port->dmaqueue_lock); 330 list_add_tail(&buf->list, &port->dmaqueue.list); 331 mutex_unlock(&port->dmaqueue_lock); 332 } 333 334 /* register adapter */ 335 result = dvb_register_adapter(&dvb->adapter, DRIVER_NAME, THIS_MODULE, 336 &dev->pci->dev, adapter_nr); 337 if (result < 0) { 338 printk(KERN_ERR "%s: dvb_register_adapter failed " 339 "(errno = %d)\n", DRIVER_NAME, result); 340 goto fail_adapter; 341 } 342 dvb->adapter.priv = port; 343 344 /* register frontend */ 345 result = dvb_register_frontend(&dvb->adapter, dvb->frontend); 346 if (result < 0) { 347 printk(KERN_ERR "%s: dvb_register_frontend failed " 348 "(errno = %d)\n", DRIVER_NAME, result); 349 goto fail_frontend; 350 } 351 352 /* register demux stuff */ 353 dvb->demux.dmx.capabilities = 354 DMX_TS_FILTERING | DMX_SECTION_FILTERING | 355 DMX_MEMORY_BASED_FILTERING; 356 dvb->demux.priv = port; 357 dvb->demux.filternum = 256; 358 dvb->demux.feednum = 256; 359 dvb->demux.start_feed = saa7164_dvb_start_feed; 360 dvb->demux.stop_feed = saa7164_dvb_stop_feed; 361 result = dvb_dmx_init(&dvb->demux); 362 if (result < 0) { 363 printk(KERN_ERR "%s: dvb_dmx_init failed (errno = %d)\n", 364 DRIVER_NAME, result); 365 goto fail_dmx; 366 } 367 368 dvb->dmxdev.filternum = 256; 369 dvb->dmxdev.demux = &dvb->demux.dmx; 370 dvb->dmxdev.capabilities = 0; 371 result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter); 372 if (result < 0) { 373 printk(KERN_ERR "%s: dvb_dmxdev_init failed (errno = %d)\n", 374 DRIVER_NAME, result); 375 goto fail_dmxdev; 376 } 377 378 dvb->fe_hw.source = DMX_FRONTEND_0; 379 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw); 380 if (result < 0) { 381 printk(KERN_ERR "%s: add_frontend failed " 382 "(DMX_FRONTEND_0, errno = %d)\n", DRIVER_NAME, result); 383 goto fail_fe_hw; 384 } 385 386 dvb->fe_mem.source = DMX_MEMORY_FE; 387 result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem); 388 if (result < 0) { 389 printk(KERN_ERR "%s: add_frontend failed " 390 "(DMX_MEMORY_FE, errno = %d)\n", DRIVER_NAME, result); 391 goto fail_fe_mem; 392 } 393 394 result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw); 395 if (result < 0) { 396 printk(KERN_ERR "%s: connect_frontend failed (errno = %d)\n", 397 DRIVER_NAME, result); 398 goto fail_fe_conn; 399 } 400 401 /* register network adapter */ 402 dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx); 403 return 0; 404 405fail_fe_conn: 406 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 407fail_fe_mem: 408 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 409fail_fe_hw: 410 dvb_dmxdev_release(&dvb->dmxdev); 411fail_dmxdev: 412 dvb_dmx_release(&dvb->demux); 413fail_dmx: 414 dvb_unregister_frontend(dvb->frontend); 415fail_frontend: 416 dvb_frontend_detach(dvb->frontend); 417 dvb_unregister_adapter(&dvb->adapter); 418fail_adapter: 419 return result; 420} 421 422int saa7164_dvb_unregister(struct saa7164_port *port) 423{ 424 struct saa7164_dvb *dvb = &port->dvb; 425 struct saa7164_dev *dev = port->dev; 426 struct saa7164_buffer *b; 427 struct list_head *c, *n; 428 429 dprintk(DBGLVL_DVB, "%s()\n", __func__); 430 431 if (port->type != SAA7164_MPEG_DVB) 432 BUG(); 433 434 /* Remove any allocated buffers */ 435 mutex_lock(&port->dmaqueue_lock); 436 list_for_each_safe(c, n, &port->dmaqueue.list) { 437 b = list_entry(c, struct saa7164_buffer, list); 438 list_del(c); 439 saa7164_buffer_dealloc(b); 440 } 441 mutex_unlock(&port->dmaqueue_lock); 442 443 if (dvb->frontend == NULL) 444 return 0; 445 446 dvb_net_release(&dvb->net); 447 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); 448 dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); 449 dvb_dmxdev_release(&dvb->dmxdev); 450 dvb_dmx_release(&dvb->demux); 451 dvb_unregister_frontend(dvb->frontend); 452 dvb_frontend_detach(dvb->frontend); 453 dvb_unregister_adapter(&dvb->adapter); 454 return 0; 455} 456 457/* All the DVB attach calls go here, this function get's modified 458 * for each new card. 459 */ 460int saa7164_dvb_register(struct saa7164_port *port) 461{ 462 struct saa7164_dev *dev = port->dev; 463 struct saa7164_dvb *dvb = &port->dvb; 464 struct saa7164_i2c *i2c_bus = NULL; 465 int ret; 466 467 dprintk(DBGLVL_DVB, "%s()\n", __func__); 468 469 /* init frontend */ 470 switch (dev->board) { 471 case SAA7164_BOARD_HAUPPAUGE_HVR2200: 472 case SAA7164_BOARD_HAUPPAUGE_HVR2200_2: 473 case SAA7164_BOARD_HAUPPAUGE_HVR2200_3: 474 case SAA7164_BOARD_HAUPPAUGE_HVR2200_4: 475 case SAA7164_BOARD_HAUPPAUGE_HVR2200_5: 476 i2c_bus = &dev->i2c_bus[port->nr + 1]; 477 switch (port->nr) { 478 case 0: 479 port->dvb.frontend = dvb_attach(tda10048_attach, 480 &hauppauge_hvr2200_1_config, 481 &i2c_bus->i2c_adap); 482 483 if (port->dvb.frontend != NULL) { 484 /* TODO: addr is in the card struct */ 485 dvb_attach(tda18271_attach, port->dvb.frontend, 486 0xc0 >> 1, &i2c_bus->i2c_adap, 487 &hauppauge_hvr22x0_tuner_config); 488 } 489 490 break; 491 case 1: 492 port->dvb.frontend = dvb_attach(tda10048_attach, 493 &hauppauge_hvr2200_2_config, 494 &i2c_bus->i2c_adap); 495 496 if (port->dvb.frontend != NULL) { 497 /* TODO: addr is in the card struct */ 498 dvb_attach(tda18271_attach, port->dvb.frontend, 499 0xc0 >> 1, &i2c_bus->i2c_adap, 500 &hauppauge_hvr22x0s_tuner_config); 501 } 502 503 break; 504 } 505 break; 506 case SAA7164_BOARD_HAUPPAUGE_HVR2250: 507 case SAA7164_BOARD_HAUPPAUGE_HVR2250_2: 508 case SAA7164_BOARD_HAUPPAUGE_HVR2250_3: 509 i2c_bus = &dev->i2c_bus[port->nr + 1]; 510 511 port->dvb.frontend = dvb_attach(s5h1411_attach, 512 &hauppauge_s5h1411_config, 513 &i2c_bus->i2c_adap); 514 515 if (port->dvb.frontend != NULL) { 516 if (port->nr == 0) { 517 /* Master TDA18271 */ 518 /* TODO: addr is in the card struct */ 519 dvb_attach(tda18271_attach, port->dvb.frontend, 520 0xc0 >> 1, &i2c_bus->i2c_adap, 521 &hauppauge_hvr22x0_tuner_config); 522 } else { 523 /* Slave TDA18271 */ 524 dvb_attach(tda18271_attach, port->dvb.frontend, 525 0xc0 >> 1, &i2c_bus->i2c_adap, 526 &hauppauge_hvr22x0s_tuner_config); 527 } 528 } 529 530 break; 531 default: 532 printk(KERN_ERR "%s: The frontend isn't supported\n", 533 dev->name); 534 break; 535 } 536 if (NULL == dvb->frontend) { 537 printk(KERN_ERR "%s() Frontend initialization failed\n", 538 __func__); 539 return -1; 540 } 541 542 /* register everything */ 543 ret = dvb_register(port); 544 if (ret < 0) { 545 if (dvb->frontend->ops.release) 546 dvb->frontend->ops.release(dvb->frontend); 547 return ret; 548 } 549 550 return 0; 551} 552 553