1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * SMI PCIe driver for DVBSky cards. 4 * 5 * Copyright (C) 2014 Max nibble <nibble.max@gmail.com> 6 */ 7 8#include "smipcie.h" 9#include "m88ds3103.h" 10#include "ts2020.h" 11#include "m88rs6000t.h" 12#include "si2168.h" 13#include "si2157.h" 14 15DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 16 17static int smi_hw_init(struct smi_dev *dev) 18{ 19 u32 port_mux, port_ctrl, int_stat; 20 21 /* set port mux.*/ 22 port_mux = smi_read(MUX_MODE_CTRL); 23 port_mux &= ~(rbPaMSMask); 24 port_mux |= rbPaMSDtvNoGpio; 25 port_mux &= ~(rbPbMSMask); 26 port_mux |= rbPbMSDtvNoGpio; 27 port_mux &= ~(0x0f0000); 28 port_mux |= 0x50000; 29 smi_write(MUX_MODE_CTRL, port_mux); 30 31 /* set DTV register.*/ 32 /* Port A */ 33 port_ctrl = smi_read(VIDEO_CTRL_STATUS_A); 34 port_ctrl &= ~0x01; 35 smi_write(VIDEO_CTRL_STATUS_A, port_ctrl); 36 port_ctrl = smi_read(MPEG2_CTRL_A); 37 port_ctrl &= ~0x40; 38 port_ctrl |= 0x80; 39 smi_write(MPEG2_CTRL_A, port_ctrl); 40 /* Port B */ 41 port_ctrl = smi_read(VIDEO_CTRL_STATUS_B); 42 port_ctrl &= ~0x01; 43 smi_write(VIDEO_CTRL_STATUS_B, port_ctrl); 44 port_ctrl = smi_read(MPEG2_CTRL_B); 45 port_ctrl &= ~0x40; 46 port_ctrl |= 0x80; 47 smi_write(MPEG2_CTRL_B, port_ctrl); 48 49 /* disable and clear interrupt.*/ 50 smi_write(MSI_INT_ENA_CLR, ALL_INT); 51 int_stat = smi_read(MSI_INT_STATUS); 52 smi_write(MSI_INT_STATUS_CLR, int_stat); 53 54 /* reset demod.*/ 55 smi_clear(PERIPHERAL_CTRL, 0x0303); 56 msleep(50); 57 smi_set(PERIPHERAL_CTRL, 0x0101); 58 return 0; 59} 60 61/* i2c bit bus.*/ 62static void smi_i2c_cfg(struct smi_dev *dev, u32 sw_ctl) 63{ 64 u32 dwCtrl; 65 66 dwCtrl = smi_read(sw_ctl); 67 dwCtrl &= ~0x18; /* disable output.*/ 68 dwCtrl |= 0x21; /* reset and software mode.*/ 69 dwCtrl &= ~0xff00; 70 dwCtrl |= 0x6400; 71 smi_write(sw_ctl, dwCtrl); 72 msleep(20); 73 dwCtrl = smi_read(sw_ctl); 74 dwCtrl &= ~0x20; 75 smi_write(sw_ctl, dwCtrl); 76} 77 78static void smi_i2c_setsda(struct smi_dev *dev, int state, u32 sw_ctl) 79{ 80 if (state) { 81 /* set as input.*/ 82 smi_clear(sw_ctl, SW_I2C_MSK_DAT_EN); 83 } else { 84 smi_clear(sw_ctl, SW_I2C_MSK_DAT_OUT); 85 /* set as output.*/ 86 smi_set(sw_ctl, SW_I2C_MSK_DAT_EN); 87 } 88} 89 90static void smi_i2c_setscl(void *data, int state, u32 sw_ctl) 91{ 92 struct smi_dev *dev = data; 93 94 if (state) { 95 /* set as input.*/ 96 smi_clear(sw_ctl, SW_I2C_MSK_CLK_EN); 97 } else { 98 smi_clear(sw_ctl, SW_I2C_MSK_CLK_OUT); 99 /* set as output.*/ 100 smi_set(sw_ctl, SW_I2C_MSK_CLK_EN); 101 } 102} 103 104static int smi_i2c_getsda(void *data, u32 sw_ctl) 105{ 106 struct smi_dev *dev = data; 107 /* set as input.*/ 108 smi_clear(sw_ctl, SW_I2C_MSK_DAT_EN); 109 udelay(1); 110 return (smi_read(sw_ctl) & SW_I2C_MSK_DAT_IN) ? 1 : 0; 111} 112 113static int smi_i2c_getscl(void *data, u32 sw_ctl) 114{ 115 struct smi_dev *dev = data; 116 /* set as input.*/ 117 smi_clear(sw_ctl, SW_I2C_MSK_CLK_EN); 118 udelay(1); 119 return (smi_read(sw_ctl) & SW_I2C_MSK_CLK_IN) ? 1 : 0; 120} 121/* i2c 0.*/ 122static void smi_i2c0_setsda(void *data, int state) 123{ 124 struct smi_dev *dev = data; 125 126 smi_i2c_setsda(dev, state, I2C_A_SW_CTL); 127} 128 129static void smi_i2c0_setscl(void *data, int state) 130{ 131 struct smi_dev *dev = data; 132 133 smi_i2c_setscl(dev, state, I2C_A_SW_CTL); 134} 135 136static int smi_i2c0_getsda(void *data) 137{ 138 struct smi_dev *dev = data; 139 140 return smi_i2c_getsda(dev, I2C_A_SW_CTL); 141} 142 143static int smi_i2c0_getscl(void *data) 144{ 145 struct smi_dev *dev = data; 146 147 return smi_i2c_getscl(dev, I2C_A_SW_CTL); 148} 149/* i2c 1.*/ 150static void smi_i2c1_setsda(void *data, int state) 151{ 152 struct smi_dev *dev = data; 153 154 smi_i2c_setsda(dev, state, I2C_B_SW_CTL); 155} 156 157static void smi_i2c1_setscl(void *data, int state) 158{ 159 struct smi_dev *dev = data; 160 161 smi_i2c_setscl(dev, state, I2C_B_SW_CTL); 162} 163 164static int smi_i2c1_getsda(void *data) 165{ 166 struct smi_dev *dev = data; 167 168 return smi_i2c_getsda(dev, I2C_B_SW_CTL); 169} 170 171static int smi_i2c1_getscl(void *data) 172{ 173 struct smi_dev *dev = data; 174 175 return smi_i2c_getscl(dev, I2C_B_SW_CTL); 176} 177 178static int smi_i2c_init(struct smi_dev *dev) 179{ 180 int ret; 181 182 /* i2c bus 0 */ 183 smi_i2c_cfg(dev, I2C_A_SW_CTL); 184 i2c_set_adapdata(&dev->i2c_bus[0], dev); 185 strscpy(dev->i2c_bus[0].name, "SMI-I2C0", sizeof(dev->i2c_bus[0].name)); 186 dev->i2c_bus[0].owner = THIS_MODULE; 187 dev->i2c_bus[0].dev.parent = &dev->pci_dev->dev; 188 dev->i2c_bus[0].algo_data = &dev->i2c_bit[0]; 189 dev->i2c_bit[0].data = dev; 190 dev->i2c_bit[0].setsda = smi_i2c0_setsda; 191 dev->i2c_bit[0].setscl = smi_i2c0_setscl; 192 dev->i2c_bit[0].getsda = smi_i2c0_getsda; 193 dev->i2c_bit[0].getscl = smi_i2c0_getscl; 194 dev->i2c_bit[0].udelay = 12; 195 dev->i2c_bit[0].timeout = 10; 196 /* Raise SCL and SDA */ 197 smi_i2c0_setsda(dev, 1); 198 smi_i2c0_setscl(dev, 1); 199 200 ret = i2c_bit_add_bus(&dev->i2c_bus[0]); 201 if (ret < 0) 202 return ret; 203 204 /* i2c bus 1 */ 205 smi_i2c_cfg(dev, I2C_B_SW_CTL); 206 i2c_set_adapdata(&dev->i2c_bus[1], dev); 207 strscpy(dev->i2c_bus[1].name, "SMI-I2C1", sizeof(dev->i2c_bus[1].name)); 208 dev->i2c_bus[1].owner = THIS_MODULE; 209 dev->i2c_bus[1].dev.parent = &dev->pci_dev->dev; 210 dev->i2c_bus[1].algo_data = &dev->i2c_bit[1]; 211 dev->i2c_bit[1].data = dev; 212 dev->i2c_bit[1].setsda = smi_i2c1_setsda; 213 dev->i2c_bit[1].setscl = smi_i2c1_setscl; 214 dev->i2c_bit[1].getsda = smi_i2c1_getsda; 215 dev->i2c_bit[1].getscl = smi_i2c1_getscl; 216 dev->i2c_bit[1].udelay = 12; 217 dev->i2c_bit[1].timeout = 10; 218 /* Raise SCL and SDA */ 219 smi_i2c1_setsda(dev, 1); 220 smi_i2c1_setscl(dev, 1); 221 222 ret = i2c_bit_add_bus(&dev->i2c_bus[1]); 223 if (ret < 0) 224 i2c_del_adapter(&dev->i2c_bus[0]); 225 226 return ret; 227} 228 229static void smi_i2c_exit(struct smi_dev *dev) 230{ 231 i2c_del_adapter(&dev->i2c_bus[0]); 232 i2c_del_adapter(&dev->i2c_bus[1]); 233} 234 235static int smi_read_eeprom(struct i2c_adapter *i2c, u16 reg, u8 *data, u16 size) 236{ 237 int ret; 238 u8 b0[2] = { (reg >> 8) & 0xff, reg & 0xff }; 239 240 struct i2c_msg msg[] = { 241 { .addr = 0x50, .flags = 0, 242 .buf = b0, .len = 2 }, 243 { .addr = 0x50, .flags = I2C_M_RD, 244 .buf = data, .len = size } 245 }; 246 247 ret = i2c_transfer(i2c, msg, 2); 248 249 if (ret != 2) { 250 dev_err(&i2c->dev, "%s: reg=0x%x (error=%d)\n", 251 __func__, reg, ret); 252 return ret; 253 } 254 return ret; 255} 256 257/* ts port interrupt operations */ 258static void smi_port_disableInterrupt(struct smi_port *port) 259{ 260 struct smi_dev *dev = port->dev; 261 262 smi_write(MSI_INT_ENA_CLR, 263 (port->_dmaInterruptCH0 | port->_dmaInterruptCH1)); 264} 265 266static void smi_port_enableInterrupt(struct smi_port *port) 267{ 268 struct smi_dev *dev = port->dev; 269 270 smi_write(MSI_INT_ENA_SET, 271 (port->_dmaInterruptCH0 | port->_dmaInterruptCH1)); 272} 273 274static void smi_port_clearInterrupt(struct smi_port *port) 275{ 276 struct smi_dev *dev = port->dev; 277 278 smi_write(MSI_INT_STATUS_CLR, 279 (port->_dmaInterruptCH0 | port->_dmaInterruptCH1)); 280} 281 282/* tasklet handler: DMA data to dmx.*/ 283static void smi_dma_xfer(struct tasklet_struct *t) 284{ 285 struct smi_port *port = from_tasklet(port, t, tasklet); 286 struct smi_dev *dev = port->dev; 287 u32 intr_status, finishedData, dmaManagement; 288 u8 dmaChan0State, dmaChan1State; 289 290 intr_status = port->_int_status; 291 dmaManagement = smi_read(port->DMA_MANAGEMENT); 292 dmaChan0State = (u8)((dmaManagement & 0x00000030) >> 4); 293 dmaChan1State = (u8)((dmaManagement & 0x00300000) >> 20); 294 295 /* CH-0 DMA interrupt.*/ 296 if ((intr_status & port->_dmaInterruptCH0) && (dmaChan0State == 0x01)) { 297 dev_dbg(&dev->pci_dev->dev, 298 "Port[%d]-DMA CH0 engine complete successful !\n", 299 port->idx); 300 finishedData = smi_read(port->DMA_CHAN0_TRANS_STATE); 301 finishedData &= 0x003FFFFF; 302 /* value of DMA_PORT0_CHAN0_TRANS_STATE register [21:0] 303 * indicate dma total transfer length and 304 * zero of [21:0] indicate dma total transfer length 305 * equal to 0x400000 (4MB)*/ 306 if (finishedData == 0) 307 finishedData = 0x00400000; 308 if (finishedData != SMI_TS_DMA_BUF_SIZE) { 309 dev_dbg(&dev->pci_dev->dev, 310 "DMA CH0 engine complete length mismatched, finish data=%d !\n", 311 finishedData); 312 } 313 dvb_dmx_swfilter_packets(&port->demux, 314 port->cpu_addr[0], (finishedData / 188)); 315 /*dvb_dmx_swfilter(&port->demux, 316 port->cpu_addr[0], finishedData);*/ 317 } 318 /* CH-1 DMA interrupt.*/ 319 if ((intr_status & port->_dmaInterruptCH1) && (dmaChan1State == 0x01)) { 320 dev_dbg(&dev->pci_dev->dev, 321 "Port[%d]-DMA CH1 engine complete successful !\n", 322 port->idx); 323 finishedData = smi_read(port->DMA_CHAN1_TRANS_STATE); 324 finishedData &= 0x003FFFFF; 325 /* value of DMA_PORT0_CHAN0_TRANS_STATE register [21:0] 326 * indicate dma total transfer length and 327 * zero of [21:0] indicate dma total transfer length 328 * equal to 0x400000 (4MB)*/ 329 if (finishedData == 0) 330 finishedData = 0x00400000; 331 if (finishedData != SMI_TS_DMA_BUF_SIZE) { 332 dev_dbg(&dev->pci_dev->dev, 333 "DMA CH1 engine complete length mismatched, finish data=%d !\n", 334 finishedData); 335 } 336 dvb_dmx_swfilter_packets(&port->demux, 337 port->cpu_addr[1], (finishedData / 188)); 338 /*dvb_dmx_swfilter(&port->demux, 339 port->cpu_addr[1], finishedData);*/ 340 } 341 /* restart DMA.*/ 342 if (intr_status & port->_dmaInterruptCH0) 343 dmaManagement |= 0x00000002; 344 if (intr_status & port->_dmaInterruptCH1) 345 dmaManagement |= 0x00020000; 346 smi_write(port->DMA_MANAGEMENT, dmaManagement); 347 /* Re-enable interrupts */ 348 smi_port_enableInterrupt(port); 349} 350 351static void smi_port_dma_free(struct smi_port *port) 352{ 353 if (port->cpu_addr[0]) { 354 dma_free_coherent(&port->dev->pci_dev->dev, 355 SMI_TS_DMA_BUF_SIZE, port->cpu_addr[0], 356 port->dma_addr[0]); 357 port->cpu_addr[0] = NULL; 358 } 359 if (port->cpu_addr[1]) { 360 dma_free_coherent(&port->dev->pci_dev->dev, 361 SMI_TS_DMA_BUF_SIZE, port->cpu_addr[1], 362 port->dma_addr[1]); 363 port->cpu_addr[1] = NULL; 364 } 365} 366 367static int smi_port_init(struct smi_port *port, int dmaChanUsed) 368{ 369 dev_dbg(&port->dev->pci_dev->dev, 370 "%s, port %d, dmaused %d\n", __func__, port->idx, dmaChanUsed); 371 port->enable = 0; 372 if (port->idx == 0) { 373 /* Port A */ 374 port->_dmaInterruptCH0 = dmaChanUsed & 0x01; 375 port->_dmaInterruptCH1 = dmaChanUsed & 0x02; 376 377 port->DMA_CHAN0_ADDR_LOW = DMA_PORTA_CHAN0_ADDR_LOW; 378 port->DMA_CHAN0_ADDR_HI = DMA_PORTA_CHAN0_ADDR_HI; 379 port->DMA_CHAN0_TRANS_STATE = DMA_PORTA_CHAN0_TRANS_STATE; 380 port->DMA_CHAN0_CONTROL = DMA_PORTA_CHAN0_CONTROL; 381 port->DMA_CHAN1_ADDR_LOW = DMA_PORTA_CHAN1_ADDR_LOW; 382 port->DMA_CHAN1_ADDR_HI = DMA_PORTA_CHAN1_ADDR_HI; 383 port->DMA_CHAN1_TRANS_STATE = DMA_PORTA_CHAN1_TRANS_STATE; 384 port->DMA_CHAN1_CONTROL = DMA_PORTA_CHAN1_CONTROL; 385 port->DMA_MANAGEMENT = DMA_PORTA_MANAGEMENT; 386 } else { 387 /* Port B */ 388 port->_dmaInterruptCH0 = (dmaChanUsed << 2) & 0x04; 389 port->_dmaInterruptCH1 = (dmaChanUsed << 2) & 0x08; 390 391 port->DMA_CHAN0_ADDR_LOW = DMA_PORTB_CHAN0_ADDR_LOW; 392 port->DMA_CHAN0_ADDR_HI = DMA_PORTB_CHAN0_ADDR_HI; 393 port->DMA_CHAN0_TRANS_STATE = DMA_PORTB_CHAN0_TRANS_STATE; 394 port->DMA_CHAN0_CONTROL = DMA_PORTB_CHAN0_CONTROL; 395 port->DMA_CHAN1_ADDR_LOW = DMA_PORTB_CHAN1_ADDR_LOW; 396 port->DMA_CHAN1_ADDR_HI = DMA_PORTB_CHAN1_ADDR_HI; 397 port->DMA_CHAN1_TRANS_STATE = DMA_PORTB_CHAN1_TRANS_STATE; 398 port->DMA_CHAN1_CONTROL = DMA_PORTB_CHAN1_CONTROL; 399 port->DMA_MANAGEMENT = DMA_PORTB_MANAGEMENT; 400 } 401 402 if (port->_dmaInterruptCH0) { 403 port->cpu_addr[0] = dma_alloc_coherent(&port->dev->pci_dev->dev, 404 SMI_TS_DMA_BUF_SIZE, 405 &port->dma_addr[0], 406 GFP_KERNEL); 407 if (!port->cpu_addr[0]) { 408 dev_err(&port->dev->pci_dev->dev, 409 "Port[%d] DMA CH0 memory allocation failed!\n", 410 port->idx); 411 goto err; 412 } 413 } 414 415 if (port->_dmaInterruptCH1) { 416 port->cpu_addr[1] = dma_alloc_coherent(&port->dev->pci_dev->dev, 417 SMI_TS_DMA_BUF_SIZE, 418 &port->dma_addr[1], 419 GFP_KERNEL); 420 if (!port->cpu_addr[1]) { 421 dev_err(&port->dev->pci_dev->dev, 422 "Port[%d] DMA CH1 memory allocation failed!\n", 423 port->idx); 424 goto err; 425 } 426 } 427 428 smi_port_disableInterrupt(port); 429 tasklet_setup(&port->tasklet, smi_dma_xfer); 430 tasklet_disable(&port->tasklet); 431 port->enable = 1; 432 return 0; 433err: 434 smi_port_dma_free(port); 435 return -ENOMEM; 436} 437 438static void smi_port_exit(struct smi_port *port) 439{ 440 smi_port_disableInterrupt(port); 441 tasklet_kill(&port->tasklet); 442 smi_port_dma_free(port); 443 port->enable = 0; 444} 445 446static int smi_port_irq(struct smi_port *port, u32 int_status) 447{ 448 u32 port_req_irq = port->_dmaInterruptCH0 | port->_dmaInterruptCH1; 449 int handled = 0; 450 451 if (int_status & port_req_irq) { 452 smi_port_disableInterrupt(port); 453 port->_int_status = int_status; 454 smi_port_clearInterrupt(port); 455 tasklet_schedule(&port->tasklet); 456 handled = 1; 457 } 458 return handled; 459} 460 461static irqreturn_t smi_irq_handler(int irq, void *dev_id) 462{ 463 struct smi_dev *dev = dev_id; 464 struct smi_port *port0 = &dev->ts_port[0]; 465 struct smi_port *port1 = &dev->ts_port[1]; 466 struct smi_rc *ir = &dev->ir; 467 int handled = 0; 468 469 u32 intr_status = smi_read(MSI_INT_STATUS); 470 471 /* ts0 interrupt.*/ 472 if (dev->info->ts_0) 473 handled += smi_port_irq(port0, intr_status); 474 475 /* ts1 interrupt.*/ 476 if (dev->info->ts_1) 477 handled += smi_port_irq(port1, intr_status); 478 479 /* ir interrupt.*/ 480 handled += smi_ir_irq(ir, intr_status); 481 482 return IRQ_RETVAL(handled); 483} 484 485static struct i2c_client *smi_add_i2c_client(struct i2c_adapter *adapter, 486 struct i2c_board_info *info) 487{ 488 struct i2c_client *client; 489 490 request_module(info->type); 491 client = i2c_new_client_device(adapter, info); 492 if (!i2c_client_has_driver(client)) 493 goto err_add_i2c_client; 494 495 if (!try_module_get(client->dev.driver->owner)) { 496 i2c_unregister_device(client); 497 goto err_add_i2c_client; 498 } 499 return client; 500 501err_add_i2c_client: 502 client = NULL; 503 return client; 504} 505 506static void smi_del_i2c_client(struct i2c_client *client) 507{ 508 module_put(client->dev.driver->owner); 509 i2c_unregister_device(client); 510} 511 512static const struct m88ds3103_config smi_dvbsky_m88ds3103_cfg = { 513 .i2c_addr = 0x68, 514 .clock = 27000000, 515 .i2c_wr_max = 33, 516 .clock_out = 0, 517 .ts_mode = M88DS3103_TS_PARALLEL, 518 .ts_clk = 16000, 519 .ts_clk_pol = 1, 520 .agc = 0x99, 521 .lnb_hv_pol = 0, 522 .lnb_en_pol = 1, 523}; 524 525static int smi_dvbsky_m88ds3103_fe_attach(struct smi_port *port) 526{ 527 int ret = 0; 528 struct smi_dev *dev = port->dev; 529 struct i2c_adapter *i2c; 530 /* tuner I2C module */ 531 struct i2c_adapter *tuner_i2c_adapter; 532 struct i2c_client *tuner_client; 533 struct i2c_board_info tuner_info; 534 struct ts2020_config ts2020_config = {}; 535 memset(&tuner_info, 0, sizeof(struct i2c_board_info)); 536 i2c = (port->idx == 0) ? &dev->i2c_bus[0] : &dev->i2c_bus[1]; 537 538 /* attach demod */ 539 port->fe = dvb_attach(m88ds3103_attach, 540 &smi_dvbsky_m88ds3103_cfg, i2c, &tuner_i2c_adapter); 541 if (!port->fe) { 542 ret = -ENODEV; 543 return ret; 544 } 545 /* attach tuner */ 546 ts2020_config.fe = port->fe; 547 strscpy(tuner_info.type, "ts2020", I2C_NAME_SIZE); 548 tuner_info.addr = 0x60; 549 tuner_info.platform_data = &ts2020_config; 550 tuner_client = smi_add_i2c_client(tuner_i2c_adapter, &tuner_info); 551 if (!tuner_client) { 552 ret = -ENODEV; 553 goto err_tuner_i2c_device; 554 } 555 556 /* delegate signal strength measurement to tuner */ 557 port->fe->ops.read_signal_strength = 558 port->fe->ops.tuner_ops.get_rf_strength; 559 560 port->i2c_client_tuner = tuner_client; 561 return ret; 562 563err_tuner_i2c_device: 564 dvb_frontend_detach(port->fe); 565 return ret; 566} 567 568static const struct m88ds3103_config smi_dvbsky_m88rs6000_cfg = { 569 .i2c_addr = 0x69, 570 .clock = 27000000, 571 .i2c_wr_max = 33, 572 .ts_mode = M88DS3103_TS_PARALLEL, 573 .ts_clk = 16000, 574 .ts_clk_pol = 1, 575 .agc = 0x99, 576 .lnb_hv_pol = 0, 577 .lnb_en_pol = 1, 578}; 579 580static int smi_dvbsky_m88rs6000_fe_attach(struct smi_port *port) 581{ 582 int ret = 0; 583 struct smi_dev *dev = port->dev; 584 struct i2c_adapter *i2c; 585 /* tuner I2C module */ 586 struct i2c_adapter *tuner_i2c_adapter; 587 struct i2c_client *tuner_client; 588 struct i2c_board_info tuner_info; 589 struct m88rs6000t_config m88rs6000t_config; 590 591 memset(&tuner_info, 0, sizeof(struct i2c_board_info)); 592 i2c = (port->idx == 0) ? &dev->i2c_bus[0] : &dev->i2c_bus[1]; 593 594 /* attach demod */ 595 port->fe = dvb_attach(m88ds3103_attach, 596 &smi_dvbsky_m88rs6000_cfg, i2c, &tuner_i2c_adapter); 597 if (!port->fe) { 598 ret = -ENODEV; 599 return ret; 600 } 601 /* attach tuner */ 602 m88rs6000t_config.fe = port->fe; 603 strscpy(tuner_info.type, "m88rs6000t", I2C_NAME_SIZE); 604 tuner_info.addr = 0x21; 605 tuner_info.platform_data = &m88rs6000t_config; 606 tuner_client = smi_add_i2c_client(tuner_i2c_adapter, &tuner_info); 607 if (!tuner_client) { 608 ret = -ENODEV; 609 goto err_tuner_i2c_device; 610 } 611 612 /* delegate signal strength measurement to tuner */ 613 port->fe->ops.read_signal_strength = 614 port->fe->ops.tuner_ops.get_rf_strength; 615 616 port->i2c_client_tuner = tuner_client; 617 return ret; 618 619err_tuner_i2c_device: 620 dvb_frontend_detach(port->fe); 621 return ret; 622} 623 624static int smi_dvbsky_sit2_fe_attach(struct smi_port *port) 625{ 626 int ret = 0; 627 struct smi_dev *dev = port->dev; 628 struct i2c_adapter *i2c; 629 struct i2c_adapter *tuner_i2c_adapter; 630 struct i2c_client *client_tuner, *client_demod; 631 struct i2c_board_info client_info; 632 struct si2168_config si2168_config; 633 struct si2157_config si2157_config; 634 635 /* select i2c bus */ 636 i2c = (port->idx == 0) ? &dev->i2c_bus[0] : &dev->i2c_bus[1]; 637 638 /* attach demod */ 639 memset(&si2168_config, 0, sizeof(si2168_config)); 640 si2168_config.i2c_adapter = &tuner_i2c_adapter; 641 si2168_config.fe = &port->fe; 642 si2168_config.ts_mode = SI2168_TS_PARALLEL; 643 644 memset(&client_info, 0, sizeof(struct i2c_board_info)); 645 strscpy(client_info.type, "si2168", I2C_NAME_SIZE); 646 client_info.addr = 0x64; 647 client_info.platform_data = &si2168_config; 648 649 client_demod = smi_add_i2c_client(i2c, &client_info); 650 if (!client_demod) { 651 ret = -ENODEV; 652 return ret; 653 } 654 port->i2c_client_demod = client_demod; 655 656 /* attach tuner */ 657 memset(&si2157_config, 0, sizeof(si2157_config)); 658 si2157_config.fe = port->fe; 659 si2157_config.if_port = 1; 660 661 memset(&client_info, 0, sizeof(struct i2c_board_info)); 662 strscpy(client_info.type, "si2157", I2C_NAME_SIZE); 663 client_info.addr = 0x60; 664 client_info.platform_data = &si2157_config; 665 666 client_tuner = smi_add_i2c_client(tuner_i2c_adapter, &client_info); 667 if (!client_tuner) { 668 smi_del_i2c_client(port->i2c_client_demod); 669 port->i2c_client_demod = NULL; 670 ret = -ENODEV; 671 return ret; 672 } 673 port->i2c_client_tuner = client_tuner; 674 return ret; 675} 676 677static int smi_fe_init(struct smi_port *port) 678{ 679 int ret = 0; 680 struct smi_dev *dev = port->dev; 681 struct dvb_adapter *adap = &port->dvb_adapter; 682 u8 mac_ee[16]; 683 684 dev_dbg(&port->dev->pci_dev->dev, 685 "%s: port %d, fe_type = %d\n", 686 __func__, port->idx, port->fe_type); 687 switch (port->fe_type) { 688 case DVBSKY_FE_M88DS3103: 689 ret = smi_dvbsky_m88ds3103_fe_attach(port); 690 break; 691 case DVBSKY_FE_M88RS6000: 692 ret = smi_dvbsky_m88rs6000_fe_attach(port); 693 break; 694 case DVBSKY_FE_SIT2: 695 ret = smi_dvbsky_sit2_fe_attach(port); 696 break; 697 } 698 if (ret < 0) 699 return ret; 700 701 /* register dvb frontend */ 702 ret = dvb_register_frontend(adap, port->fe); 703 if (ret < 0) { 704 if (port->i2c_client_tuner) 705 smi_del_i2c_client(port->i2c_client_tuner); 706 if (port->i2c_client_demod) 707 smi_del_i2c_client(port->i2c_client_demod); 708 dvb_frontend_detach(port->fe); 709 return ret; 710 } 711 /* init MAC.*/ 712 ret = smi_read_eeprom(&dev->i2c_bus[0], 0xc0, mac_ee, 16); 713 dev_info(&port->dev->pci_dev->dev, 714 "%s port %d MAC: %pM\n", dev->info->name, 715 port->idx, mac_ee + (port->idx)*8); 716 memcpy(adap->proposed_mac, mac_ee + (port->idx)*8, 6); 717 return ret; 718} 719 720static void smi_fe_exit(struct smi_port *port) 721{ 722 dvb_unregister_frontend(port->fe); 723 /* remove I2C demod and tuner */ 724 if (port->i2c_client_tuner) 725 smi_del_i2c_client(port->i2c_client_tuner); 726 if (port->i2c_client_demod) 727 smi_del_i2c_client(port->i2c_client_demod); 728 dvb_frontend_detach(port->fe); 729} 730 731static int my_dvb_dmx_ts_card_init(struct dvb_demux *dvbdemux, char *id, 732 int (*start_feed)(struct dvb_demux_feed *), 733 int (*stop_feed)(struct dvb_demux_feed *), 734 void *priv) 735{ 736 dvbdemux->priv = priv; 737 738 dvbdemux->filternum = 256; 739 dvbdemux->feednum = 256; 740 dvbdemux->start_feed = start_feed; 741 dvbdemux->stop_feed = stop_feed; 742 dvbdemux->write_to_decoder = NULL; 743 dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | 744 DMX_SECTION_FILTERING | 745 DMX_MEMORY_BASED_FILTERING); 746 return dvb_dmx_init(dvbdemux); 747} 748 749static int my_dvb_dmxdev_ts_card_init(struct dmxdev *dmxdev, 750 struct dvb_demux *dvbdemux, 751 struct dmx_frontend *hw_frontend, 752 struct dmx_frontend *mem_frontend, 753 struct dvb_adapter *dvb_adapter) 754{ 755 int ret; 756 757 dmxdev->filternum = 256; 758 dmxdev->demux = &dvbdemux->dmx; 759 dmxdev->capabilities = 0; 760 ret = dvb_dmxdev_init(dmxdev, dvb_adapter); 761 if (ret < 0) 762 return ret; 763 764 hw_frontend->source = DMX_FRONTEND_0; 765 dvbdemux->dmx.add_frontend(&dvbdemux->dmx, hw_frontend); 766 mem_frontend->source = DMX_MEMORY_FE; 767 dvbdemux->dmx.add_frontend(&dvbdemux->dmx, mem_frontend); 768 return dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, hw_frontend); 769} 770 771static u32 smi_config_DMA(struct smi_port *port) 772{ 773 struct smi_dev *dev = port->dev; 774 u32 totalLength = 0, dmaMemPtrLow, dmaMemPtrHi, dmaCtlReg; 775 u8 chanLatencyTimer = 0, dmaChanEnable = 1, dmaTransStart = 1; 776 u32 dmaManagement = 0, tlpTransUnit = DMA_TRANS_UNIT_188; 777 u8 tlpTc = 0, tlpTd = 1, tlpEp = 0, tlpAttr = 0; 778 u64 mem; 779 780 dmaManagement = smi_read(port->DMA_MANAGEMENT); 781 /* Setup Channel-0 */ 782 if (port->_dmaInterruptCH0) { 783 totalLength = SMI_TS_DMA_BUF_SIZE; 784 mem = port->dma_addr[0]; 785 dmaMemPtrLow = mem & 0xffffffff; 786 dmaMemPtrHi = mem >> 32; 787 dmaCtlReg = (totalLength) | (tlpTransUnit << 22) | (tlpTc << 25) 788 | (tlpTd << 28) | (tlpEp << 29) | (tlpAttr << 30); 789 dmaManagement |= dmaChanEnable | (dmaTransStart << 1) 790 | (chanLatencyTimer << 8); 791 /* write DMA register, start DMA engine */ 792 smi_write(port->DMA_CHAN0_ADDR_LOW, dmaMemPtrLow); 793 smi_write(port->DMA_CHAN0_ADDR_HI, dmaMemPtrHi); 794 smi_write(port->DMA_CHAN0_CONTROL, dmaCtlReg); 795 } 796 /* Setup Channel-1 */ 797 if (port->_dmaInterruptCH1) { 798 totalLength = SMI_TS_DMA_BUF_SIZE; 799 mem = port->dma_addr[1]; 800 dmaMemPtrLow = mem & 0xffffffff; 801 dmaMemPtrHi = mem >> 32; 802 dmaCtlReg = (totalLength) | (tlpTransUnit << 22) | (tlpTc << 25) 803 | (tlpTd << 28) | (tlpEp << 29) | (tlpAttr << 30); 804 dmaManagement |= (dmaChanEnable << 16) | (dmaTransStart << 17) 805 | (chanLatencyTimer << 24); 806 /* write DMA register, start DMA engine */ 807 smi_write(port->DMA_CHAN1_ADDR_LOW, dmaMemPtrLow); 808 smi_write(port->DMA_CHAN1_ADDR_HI, dmaMemPtrHi); 809 smi_write(port->DMA_CHAN1_CONTROL, dmaCtlReg); 810 } 811 return dmaManagement; 812} 813 814static int smi_start_feed(struct dvb_demux_feed *dvbdmxfeed) 815{ 816 struct dvb_demux *dvbdmx = dvbdmxfeed->demux; 817 struct smi_port *port = dvbdmx->priv; 818 struct smi_dev *dev = port->dev; 819 u32 dmaManagement; 820 821 if (port->users++ == 0) { 822 dmaManagement = smi_config_DMA(port); 823 smi_port_clearInterrupt(port); 824 smi_port_enableInterrupt(port); 825 smi_write(port->DMA_MANAGEMENT, dmaManagement); 826 tasklet_enable(&port->tasklet); 827 } 828 return port->users; 829} 830 831static int smi_stop_feed(struct dvb_demux_feed *dvbdmxfeed) 832{ 833 struct dvb_demux *dvbdmx = dvbdmxfeed->demux; 834 struct smi_port *port = dvbdmx->priv; 835 struct smi_dev *dev = port->dev; 836 837 if (--port->users) 838 return port->users; 839 840 tasklet_disable(&port->tasklet); 841 smi_port_disableInterrupt(port); 842 smi_clear(port->DMA_MANAGEMENT, 0x30003); 843 return 0; 844} 845 846static int smi_dvb_init(struct smi_port *port) 847{ 848 int ret; 849 struct dvb_adapter *adap = &port->dvb_adapter; 850 struct dvb_demux *dvbdemux = &port->demux; 851 852 dev_dbg(&port->dev->pci_dev->dev, 853 "%s, port %d\n", __func__, port->idx); 854 855 ret = dvb_register_adapter(adap, "SMI_DVB", THIS_MODULE, 856 &port->dev->pci_dev->dev, 857 adapter_nr); 858 if (ret < 0) { 859 dev_err(&port->dev->pci_dev->dev, "Fail to register DVB adapter.\n"); 860 return ret; 861 } 862 ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux", 863 smi_start_feed, 864 smi_stop_feed, port); 865 if (ret < 0) 866 goto err_del_dvb_register_adapter; 867 868 ret = my_dvb_dmxdev_ts_card_init(&port->dmxdev, &port->demux, 869 &port->hw_frontend, 870 &port->mem_frontend, adap); 871 if (ret < 0) 872 goto err_del_dvb_dmx; 873 874 ret = dvb_net_init(adap, &port->dvbnet, port->dmxdev.demux); 875 if (ret < 0) 876 goto err_del_dvb_dmxdev; 877 return 0; 878err_del_dvb_dmxdev: 879 dvbdemux->dmx.close(&dvbdemux->dmx); 880 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->hw_frontend); 881 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->mem_frontend); 882 dvb_dmxdev_release(&port->dmxdev); 883err_del_dvb_dmx: 884 dvb_dmx_release(&port->demux); 885err_del_dvb_register_adapter: 886 dvb_unregister_adapter(&port->dvb_adapter); 887 return ret; 888} 889 890static void smi_dvb_exit(struct smi_port *port) 891{ 892 struct dvb_demux *dvbdemux = &port->demux; 893 894 dvb_net_release(&port->dvbnet); 895 896 dvbdemux->dmx.close(&dvbdemux->dmx); 897 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->hw_frontend); 898 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &port->mem_frontend); 899 dvb_dmxdev_release(&port->dmxdev); 900 dvb_dmx_release(&port->demux); 901 902 dvb_unregister_adapter(&port->dvb_adapter); 903} 904 905static int smi_port_attach(struct smi_dev *dev, 906 struct smi_port *port, int index) 907{ 908 int ret, dmachs; 909 910 port->dev = dev; 911 port->idx = index; 912 port->fe_type = (index == 0) ? dev->info->fe_0 : dev->info->fe_1; 913 dmachs = (index == 0) ? dev->info->ts_0 : dev->info->ts_1; 914 /* port init.*/ 915 ret = smi_port_init(port, dmachs); 916 if (ret < 0) 917 return ret; 918 /* dvb init.*/ 919 ret = smi_dvb_init(port); 920 if (ret < 0) 921 goto err_del_port_init; 922 /* fe init.*/ 923 ret = smi_fe_init(port); 924 if (ret < 0) 925 goto err_del_dvb_init; 926 return 0; 927err_del_dvb_init: 928 smi_dvb_exit(port); 929err_del_port_init: 930 smi_port_exit(port); 931 return ret; 932} 933 934static void smi_port_detach(struct smi_port *port) 935{ 936 smi_fe_exit(port); 937 smi_dvb_exit(port); 938 smi_port_exit(port); 939} 940 941static int smi_probe(struct pci_dev *pdev, const struct pci_device_id *id) 942{ 943 struct smi_dev *dev; 944 int ret = -ENOMEM; 945 946 if (pci_enable_device(pdev) < 0) 947 return -ENODEV; 948 949 dev = kzalloc(sizeof(struct smi_dev), GFP_KERNEL); 950 if (!dev) { 951 ret = -ENOMEM; 952 goto err_pci_disable_device; 953 } 954 955 dev->pci_dev = pdev; 956 pci_set_drvdata(pdev, dev); 957 dev->info = (struct smi_cfg_info *) id->driver_data; 958 dev_info(&dev->pci_dev->dev, 959 "card detected: %s\n", dev->info->name); 960 961 dev->nr = dev->info->type; 962 dev->lmmio = ioremap(pci_resource_start(dev->pci_dev, 0), 963 pci_resource_len(dev->pci_dev, 0)); 964 if (!dev->lmmio) { 965 ret = -ENOMEM; 966 goto err_kfree; 967 } 968 969 /* should we set to 32bit DMA? */ 970 ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); 971 if (ret < 0) 972 goto err_pci_iounmap; 973 974 pci_set_master(pdev); 975 976 ret = smi_hw_init(dev); 977 if (ret < 0) 978 goto err_pci_iounmap; 979 980 ret = smi_i2c_init(dev); 981 if (ret < 0) 982 goto err_pci_iounmap; 983 984 if (dev->info->ts_0) { 985 ret = smi_port_attach(dev, &dev->ts_port[0], 0); 986 if (ret < 0) 987 goto err_del_i2c_adaptor; 988 } 989 990 if (dev->info->ts_1) { 991 ret = smi_port_attach(dev, &dev->ts_port[1], 1); 992 if (ret < 0) 993 goto err_del_port0_attach; 994 } 995 996 ret = smi_ir_init(dev); 997 if (ret < 0) 998 goto err_del_port1_attach; 999 1000#ifdef CONFIG_PCI_MSI /* to do msi interrupt.???*/ 1001 if (pci_msi_enabled()) 1002 ret = pci_enable_msi(dev->pci_dev); 1003 if (ret) 1004 dev_info(&dev->pci_dev->dev, "MSI not available.\n"); 1005#endif 1006 1007 ret = request_irq(dev->pci_dev->irq, smi_irq_handler, 1008 IRQF_SHARED, "SMI_PCIE", dev); 1009 if (ret < 0) 1010 goto err_del_ir; 1011 1012 smi_ir_start(&dev->ir); 1013 return 0; 1014 1015err_del_ir: 1016 smi_ir_exit(dev); 1017err_del_port1_attach: 1018 if (dev->info->ts_1) 1019 smi_port_detach(&dev->ts_port[1]); 1020err_del_port0_attach: 1021 if (dev->info->ts_0) 1022 smi_port_detach(&dev->ts_port[0]); 1023err_del_i2c_adaptor: 1024 smi_i2c_exit(dev); 1025err_pci_iounmap: 1026 iounmap(dev->lmmio); 1027err_kfree: 1028 pci_set_drvdata(pdev, NULL); 1029 kfree(dev); 1030err_pci_disable_device: 1031 pci_disable_device(pdev); 1032 return ret; 1033} 1034 1035static void smi_remove(struct pci_dev *pdev) 1036{ 1037 struct smi_dev *dev = pci_get_drvdata(pdev); 1038 1039 smi_write(MSI_INT_ENA_CLR, ALL_INT); 1040 free_irq(dev->pci_dev->irq, dev); 1041#ifdef CONFIG_PCI_MSI 1042 pci_disable_msi(dev->pci_dev); 1043#endif 1044 if (dev->info->ts_1) 1045 smi_port_detach(&dev->ts_port[1]); 1046 if (dev->info->ts_0) 1047 smi_port_detach(&dev->ts_port[0]); 1048 1049 smi_ir_exit(dev); 1050 smi_i2c_exit(dev); 1051 iounmap(dev->lmmio); 1052 pci_set_drvdata(pdev, NULL); 1053 pci_disable_device(pdev); 1054 kfree(dev); 1055} 1056 1057/* DVBSky cards */ 1058static const struct smi_cfg_info dvbsky_s950_cfg = { 1059 .type = SMI_DVBSKY_S950, 1060 .name = "DVBSky S950 V3", 1061 .ts_0 = SMI_TS_NULL, 1062 .ts_1 = SMI_TS_DMA_BOTH, 1063 .fe_0 = DVBSKY_FE_NULL, 1064 .fe_1 = DVBSKY_FE_M88DS3103, 1065 .rc_map = RC_MAP_DVBSKY, 1066}; 1067 1068static const struct smi_cfg_info dvbsky_s952_cfg = { 1069 .type = SMI_DVBSKY_S952, 1070 .name = "DVBSky S952 V3", 1071 .ts_0 = SMI_TS_DMA_BOTH, 1072 .ts_1 = SMI_TS_DMA_BOTH, 1073 .fe_0 = DVBSKY_FE_M88RS6000, 1074 .fe_1 = DVBSKY_FE_M88RS6000, 1075 .rc_map = RC_MAP_DVBSKY, 1076}; 1077 1078static const struct smi_cfg_info dvbsky_t9580_cfg = { 1079 .type = SMI_DVBSKY_T9580, 1080 .name = "DVBSky T9580 V3", 1081 .ts_0 = SMI_TS_DMA_BOTH, 1082 .ts_1 = SMI_TS_DMA_BOTH, 1083 .fe_0 = DVBSKY_FE_SIT2, 1084 .fe_1 = DVBSKY_FE_M88DS3103, 1085 .rc_map = RC_MAP_DVBSKY, 1086}; 1087 1088static const struct smi_cfg_info technotrend_s2_4200_cfg = { 1089 .type = SMI_TECHNOTREND_S2_4200, 1090 .name = "TechnoTrend TT-budget S2-4200 Twin", 1091 .ts_0 = SMI_TS_DMA_BOTH, 1092 .ts_1 = SMI_TS_DMA_BOTH, 1093 .fe_0 = DVBSKY_FE_M88RS6000, 1094 .fe_1 = DVBSKY_FE_M88RS6000, 1095 .rc_map = RC_MAP_TT_1500, 1096}; 1097 1098/* PCI IDs */ 1099#define SMI_ID(_subvend, _subdev, _driverdata) { \ 1100 .vendor = SMI_VID, .device = SMI_PID, \ 1101 .subvendor = _subvend, .subdevice = _subdev, \ 1102 .driver_data = (unsigned long)&_driverdata } 1103 1104static const struct pci_device_id smi_id_table[] = { 1105 SMI_ID(0x4254, 0x0550, dvbsky_s950_cfg), 1106 SMI_ID(0x4254, 0x0552, dvbsky_s952_cfg), 1107 SMI_ID(0x4254, 0x5580, dvbsky_t9580_cfg), 1108 SMI_ID(0x13c2, 0x3016, technotrend_s2_4200_cfg), 1109 {0} 1110}; 1111MODULE_DEVICE_TABLE(pci, smi_id_table); 1112 1113static struct pci_driver smipcie_driver = { 1114 .name = "SMI PCIe driver", 1115 .id_table = smi_id_table, 1116 .probe = smi_probe, 1117 .remove = smi_remove, 1118}; 1119 1120module_pci_driver(smipcie_driver); 1121 1122MODULE_AUTHOR("Max nibble <nibble.max@gmail.com>"); 1123MODULE_DESCRIPTION("SMI PCIe driver"); 1124MODULE_LICENSE("GPL"); 1125