| 1 | |
| 2 | |
| 3 | * pluto2.c - Satelco Easywatch Mobile Terrestrial Receiver [DVB-T]
|
| 4 | *
|
| 5 | * Copyright (C) 2005 Andreas Oberritter <[email protected]>
|
| 6 | *
|
| 7 | * based on pluto2.c 1.10 - http://instinct-wp8.no-ip.org/pluto/
|
| 8 | * by Dany Salman <[email protected]>
|
| 9 | * Copyright (c) 2004 TDF
|
| 10 |
|
| 11 |
|
| 12 | #include <linux/i2c.h>
|
| 13 | #include <linux/i2c-algo-bit.h>
|
| 14 | #include <linux/init.h>
|
| 15 | #include <linux/interrupt.h>
|
| 16 | #include <linux/kernel.h>
|
| 17 | #include <linux/module.h>
|
| 18 | #include <linux/pci.h>
|
| 19 | #include <linux/dma-mapping.h>
|
| 20 | #include <linux/slab.h>
|
| 21 |
|
| 22 | #include <media/demux.h>
|
| 23 | #include <media/dmxdev.h>
|
| 24 | #include <media/dvb_demux.h>
|
| 25 | #include <media/dvb_frontend.h>
|
| 26 | #include <media/dvb_net.h>
|
| 27 | #include <media/dvbdev.h>
|
| 28 | #include "tda1004x.h"
|
| 29 |
|
| 30 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
|
| 31 |
|
| 32 | #define DRIVER_NAME "pluto2"
|
| 33 |
|
| 34 | #define REG_PIDn(n) ((n) << 2)
|
| 35 | #define REG_PCAR 0x0020
|
| 36 | #define REG_TSCR 0x0024
|
| 37 | #define REG_MISC 0x0028
|
| 38 | #define REG_MMAC 0x002c
|
| 39 | #define REG_IMAC 0x0030
|
| 40 | #define REG_LMAC 0x0034
|
| 41 | #define REG_SPID 0x0038
|
| 42 | #define REG_SLCS 0x003c
|
| 43 |
|
| 44 | #define PID0_NOFIL (0x0001 << 16)
|
| 45 | #define PIDn_ENP (0x0001 << 15)
|
| 46 | #define PID0_END (0x0001 << 14)
|
| 47 | #define PID0_AFIL (0x0001 << 13)
|
| 48 | #define PIDn_PID (0x1fff << 0)
|
| 49 |
|
| 50 | #define TSCR_NBPACKETS (0x00ff << 24)
|
| 51 | #define TSCR_DEM (0x0001 << 17)
|
| 52 | #define TSCR_DE (0x0001 << 16)
|
| 53 | #define TSCR_RSTN (0x0001 << 15)
|
| 54 | #define TSCR_MSKO (0x0001 << 14)
|
| 55 | #define TSCR_MSKA (0x0001 << 13)
|
| 56 | #define TSCR_MSKL (0x0001 << 12)
|
| 57 | #define TSCR_OVR (0x0001 << 11)
|
| 58 | #define TSCR_AFUL (0x0001 << 10)
|
| 59 | #define TSCR_LOCK (0x0001 << 9)
|
| 60 | #define TSCR_IACK (0x0001 << 8)
|
| 61 | #define TSCR_ADEF (0x007f << 0)
|
| 62 |
|
| 63 | #define MISC_DVR (0x0fff << 4)
|
| 64 | #define MISC_ALED (0x0001 << 3)
|
| 65 | #define MISC_FRST (0x0001 << 2)
|
| 66 | #define MISC_LED1 (0x0001 << 1)
|
| 67 | #define MISC_LED0 (0x0001 << 0)
|
| 68 |
|
| 69 | #define SPID_SPIDR (0x00ff << 0)
|
| 70 |
|
| 71 | #define SLCS_SCL (0x0001 << 7)
|
| 72 | #define SLCS_SDA (0x0001 << 6)
|
| 73 | #define SLCS_CSN (0x0001 << 2)
|
| 74 | #define SLCS_OVR (0x0001 << 1)
|
| 75 | #define SLCS_SWC (0x0001 << 0)
|
| 76 |
|
| 77 | #define TS_DMA_PACKETS (8)
|
| 78 | #define TS_DMA_BYTES (188 * TS_DMA_PACKETS)
|
| 79 |
|
| 80 | #define I2C_ADDR_TDA10046 0x10
|
| 81 | #define I2C_ADDR_TUA6034 0xc2
|
| 82 | #define NHWFILTERS 8
|
| 83 |
|
| 84 | struct pluto {
|
| 85 |
|
| 86 | struct pci_dev *pdev;
|
| 87 | u8 __iomem *io_mem;
|
| 88 |
|
| 89 |
|
| 90 | struct dmx_frontend hw_frontend;
|
| 91 | struct dmx_frontend mem_frontend;
|
| 92 | struct dmxdev dmxdev;
|
| 93 | struct dvb_adapter dvb_adapter;
|
| 94 | struct dvb_demux demux;
|
| 95 | struct dvb_frontend *fe;
|
| 96 | struct dvb_net dvbnet;
|
| 97 | unsigned int full_ts_users;
|
| 98 | unsigned int users;
|
| 99 |
|
| 100 |
|
| 101 | struct i2c_algo_bit_data i2c_bit;
|
| 102 | struct i2c_adapter i2c_adap;
|
| 103 | unsigned int i2cbug;
|
| 104 |
|
| 105 |
|
| 106 | unsigned int overflow;
|
| 107 | unsigned int dead;
|
| 108 |
|
| 109 |
|
| 110 | dma_addr_t dma_addr;
|
| 111 | u8 dma_buf[TS_DMA_BYTES];
|
| 112 | u8 dummy[4096];
|
| 113 | };
|
| 114 |
|
| 115 | static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed)
|
| 116 | {
|
| 117 | return container_of(feed->demux, struct pluto, demux);
|
| 118 | }
|
| 119 |
|
| 120 | static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe)
|
| 121 | {
|
| 122 | return container_of(fe->dvb, struct pluto, dvb_adapter);
|
| 123 | }
|
| 124 |
|
| 125 | static inline u32 pluto_readreg(struct pluto *pluto, u32 reg)
|
| 126 | {
|
| 127 | return readl(&pluto->io_mem[reg]);
|
| 128 | }
|
| 129 |
|
| 130 | static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val)
|
| 131 | {
|
| 132 | writel(val, &pluto->io_mem[reg]);
|
| 133 | }
|
| 134 |
|
| 135 | static inline void pluto_rw(struct pluto *pluto, u32 reg, u32 mask, u32 bits)
|
| 136 | {
|
| 137 | u32 val = readl(&pluto->io_mem[reg]);
|
| 138 | val &= ~mask;
|
| 139 | val |= bits;
|
| 140 | writel(val, &pluto->io_mem[reg]);
|
| 141 | }
|
| 142 |
|
| 143 | static void pluto_write_tscr(struct pluto *pluto, u32 val)
|
| 144 | {
|
| 145 |
|
| 146 | val &= ~TSCR_ADEF;
|
| 147 | val |= TS_DMA_PACKETS / 2;
|
| 148 |
|
| 149 | pluto_writereg(pluto, REG_TSCR, val);
|
| 150 | }
|
| 151 |
|
| 152 | static void pluto_setsda(void *data, int state)
|
| 153 | {
|
| 154 | struct pluto *pluto = data;
|
| 155 |
|
| 156 | if (state)
|
| 157 | pluto_rw(pluto, REG_SLCS, SLCS_SDA, SLCS_SDA);
|
| 158 | else
|
| 159 | pluto_rw(pluto, REG_SLCS, SLCS_SDA, 0);
|
| 160 | }
|
| 161 |
|
| 162 | static void pluto_setscl(void *data, int state)
|
| 163 | {
|
| 164 | struct pluto *pluto = data;
|
| 165 |
|
| 166 | if (state)
|
| 167 | pluto_rw(pluto, REG_SLCS, SLCS_SCL, SLCS_SCL);
|
| 168 | else
|
| 169 | pluto_rw(pluto, REG_SLCS, SLCS_SCL, 0);
|
| 170 |
|
| 171 | |
| 172 | * reset SDA to high after SCL has been set to low
|
| 173 | if ((state) && (pluto->i2cbug == 0)) {
|
| 174 | pluto->i2cbug = 1;
|
| 175 | } else {
|
| 176 | if ((!state) && (pluto->i2cbug == 1))
|
| 177 | pluto_setsda(pluto, 1);
|
| 178 | pluto->i2cbug = 0;
|
| 179 | }
|
| 180 | }
|
| 181 |
|
| 182 | static int pluto_getsda(void *data)
|
| 183 | {
|
| 184 | struct pluto *pluto = data;
|
| 185 |
|
| 186 | return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA;
|
| 187 | }
|
| 188 |
|
| 189 | static int pluto_getscl(void *data)
|
| 190 | {
|
| 191 | struct pluto *pluto = data;
|
| 192 |
|
| 193 | return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL;
|
| 194 | }
|
| 195 |
|
| 196 | static void pluto_reset_frontend(struct pluto *pluto, int reenable)
|
| 197 | {
|
| 198 | u32 val = pluto_readreg(pluto, REG_MISC);
|
| 199 |
|
| 200 | if (val & MISC_FRST) {
|
| 201 | val &= ~MISC_FRST;
|
| 202 | pluto_writereg(pluto, REG_MISC, val);
|
| 203 | }
|
| 204 | if (reenable) {
|
| 205 | val |= MISC_FRST;
|
| 206 | pluto_writereg(pluto, REG_MISC, val);
|
| 207 | }
|
| 208 | }
|
| 209 |
|
| 210 | static void pluto_reset_ts(struct pluto *pluto, int reenable)
|
| 211 | {
|
| 212 | u32 val = pluto_readreg(pluto, REG_TSCR);
|
| 213 |
|
| 214 | if (val & TSCR_RSTN) {
|
| 215 | val &= ~TSCR_RSTN;
|
| 216 | pluto_write_tscr(pluto, val);
|
| 217 | }
|
| 218 | if (reenable) {
|
| 219 | val |= TSCR_RSTN;
|
| 220 | pluto_write_tscr(pluto, val);
|
| 221 | }
|
| 222 | }
|
| 223 |
|
| 224 | static void pluto_set_dma_addr(struct pluto *pluto)
|
| 225 | {
|
| 226 | pluto_writereg(pluto, REG_PCAR, pluto->dma_addr);
|
| 227 | }
|
| 228 |
|
| 229 | static int pluto_dma_map(struct pluto *pluto)
|
| 230 | {
|
| 231 | pluto->dma_addr = dma_map_single(&pluto->pdev->dev, pluto->dma_buf,
|
| 232 | TS_DMA_BYTES, DMA_FROM_DEVICE);
|
| 233 |
|
| 234 | return dma_mapping_error(&pluto->pdev->dev, pluto->dma_addr);
|
| 235 | }
|
| 236 |
|
| 237 | static void pluto_dma_unmap(struct pluto *pluto)
|
| 238 | {
|
| 239 | dma_unmap_single(&pluto->pdev->dev, pluto->dma_addr, TS_DMA_BYTES,
|
| 240 | DMA_FROM_DEVICE);
|
| 241 | }
|
| 242 |
|
| 243 | static int pluto_start_feed(struct dvb_demux_feed *f)
|
| 244 | {
|
| 245 | struct pluto *pluto = feed_to_pluto(f);
|
| 246 |
|
| 247 |
|
| 248 | if (pluto->users++ == 0)
|
| 249 | pluto_rw(pluto, REG_PIDn(0), PID0_AFIL | PID0_NOFIL, 0);
|
| 250 |
|
| 251 | if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
|
| 252 | pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, PIDn_ENP | f->pid);
|
| 253 | else if (pluto->full_ts_users++ == 0)
|
| 254 | pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, PID0_NOFIL);
|
| 255 |
|
| 256 | return 0;
|
| 257 | }
|
| 258 |
|
| 259 | static int pluto_stop_feed(struct dvb_demux_feed *f)
|
| 260 | {
|
| 261 | struct pluto *pluto = feed_to_pluto(f);
|
| 262 |
|
| 263 |
|
| 264 | if (--pluto->users == 0)
|
| 265 | pluto_rw(pluto, REG_PIDn(0), PID0_AFIL, PID0_AFIL);
|
| 266 |
|
| 267 | if ((f->pid < 0x2000) && (f->index < NHWFILTERS))
|
| 268 | pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, 0x1fff);
|
| 269 | else if (--pluto->full_ts_users == 0)
|
| 270 | pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, 0);
|
| 271 |
|
| 272 | return 0;
|
| 273 | }
|
| 274 |
|
| 275 | static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets)
|
| 276 | {
|
| 277 | |
| 278 | * first so that we see updated contents.
|
| 279 | dma_sync_single_for_cpu(&pluto->pdev->dev, pluto->dma_addr,
|
| 280 | TS_DMA_BYTES, DMA_FROM_DEVICE);
|
| 281 |
|
| 282 | |
| 283 | * [1] On startup NBPACKETS seems to contain an uninitialized value,
|
| 284 | * but no packets have been transferred.
|
| 285 | * [2] Sometimes (actually very often) NBPACKETS stays at zero
|
| 286 | * although one packet has been transferred.
|
| 287 | * [3] Sometimes (actually rarely), the card gets into an erroneous
|
| 288 | * mode where it continuously generates interrupts, claiming it
|
| 289 | * has received nbpackets>TS_DMA_PACKETS packets, but no packet
|
| 290 | * has been transferred. Only a reset seems to solve this
|
| 291 |
|
| 292 | if ((nbpackets == 0) || (nbpackets > TS_DMA_PACKETS)) {
|
| 293 | unsigned int i = 0;
|
| 294 | while (pluto->dma_buf[i] == 0x47)
|
| 295 | i += 188;
|
| 296 | nbpackets = i / 188;
|
| 297 | if (i == 0) {
|
| 298 | pluto_reset_ts(pluto, 1);
|
| 299 | dev_printk(KERN_DEBUG, &pluto->pdev->dev, "resetting TS because of invalid packet counter\n");
|
| 300 | }
|
| 301 | }
|
| 302 |
|
| 303 | dvb_dmx_swfilter_packets(&pluto->demux, pluto->dma_buf, nbpackets);
|
| 304 |
|
| 305 | |
| 306 | * new valid ts packets above
|
| 307 | memset(pluto->dma_buf, 0, nbpackets * 188);
|
| 308 |
|
| 309 |
|
| 310 | pluto_set_dma_addr(pluto);
|
| 311 |
|
| 312 |
|
| 313 | dma_sync_single_for_device(&pluto->pdev->dev, pluto->dma_addr,
|
| 314 | TS_DMA_BYTES, DMA_FROM_DEVICE);
|
| 315 | }
|
| 316 |
|
| 317 | static irqreturn_t pluto_irq(int irq, void *dev_id)
|
| 318 | {
|
| 319 | struct pluto *pluto = dev_id;
|
| 320 | u32 tscr;
|
| 321 |
|
| 322 |
|
| 323 | tscr = pluto_readreg(pluto, REG_TSCR);
|
| 324 | if (!(tscr & (TSCR_DE | TSCR_OVR)))
|
| 325 | return IRQ_NONE;
|
| 326 |
|
| 327 | if (tscr == 0xffffffff) {
|
| 328 | if (pluto->dead == 0)
|
| 329 | dev_err(&pluto->pdev->dev, "card has hung or been ejected.\n");
|
| 330 |
|
| 331 | pluto->dead = 1;
|
| 332 | return IRQ_HANDLED;
|
| 333 | }
|
| 334 |
|
| 335 |
|
| 336 | if (tscr & TSCR_DE) {
|
| 337 | pluto_dma_end(pluto, (tscr & TSCR_NBPACKETS) >> 24);
|
| 338 |
|
| 339 | if (tscr & TSCR_OVR)
|
| 340 | pluto->overflow++;
|
| 341 | if (pluto->overflow) {
|
| 342 | dev_err(&pluto->pdev->dev, "overflow irq (%d)\n",
|
| 343 | pluto->overflow);
|
| 344 | pluto_reset_ts(pluto, 1);
|
| 345 | pluto->overflow = 0;
|
| 346 | }
|
| 347 | } else if (tscr & TSCR_OVR) {
|
| 348 | pluto->overflow++;
|
| 349 | }
|
| 350 |
|
| 351 |
|
| 352 | pluto_write_tscr(pluto, tscr | TSCR_IACK);
|
| 353 |
|
| 354 | return IRQ_HANDLED;
|
| 355 | }
|
| 356 |
|
| 357 | static void pluto_enable_irqs(struct pluto *pluto)
|
| 358 | {
|
| 359 | u32 val = pluto_readreg(pluto, REG_TSCR);
|
| 360 |
|
| 361 |
|
| 362 | val |= (TSCR_MSKA | TSCR_MSKL);
|
| 363 |
|
| 364 | val &= ~(TSCR_DEM | TSCR_MSKO);
|
| 365 |
|
| 366 | val |= TSCR_IACK;
|
| 367 |
|
| 368 | pluto_write_tscr(pluto, val);
|
| 369 | }
|
| 370 |
|
| 371 | static void pluto_disable_irqs(struct pluto *pluto)
|
| 372 | {
|
| 373 | u32 val = pluto_readreg(pluto, REG_TSCR);
|
| 374 |
|
| 375 |
|
| 376 | val |= (TSCR_DEM | TSCR_MSKO | TSCR_MSKA | TSCR_MSKL);
|
| 377 |
|
| 378 | val |= TSCR_IACK;
|
| 379 |
|
| 380 | pluto_write_tscr(pluto, val);
|
| 381 | }
|
| 382 |
|
| 383 | static int pluto_hw_init(struct pluto *pluto)
|
| 384 | {
|
| 385 | pluto_reset_frontend(pluto, 1);
|
| 386 |
|
| 387 |
|
| 388 | pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED);
|
| 389 |
|
| 390 |
|
| 391 | #ifdef __LITTLE_ENDIAN
|
| 392 | pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END);
|
| 393 | #else
|
| 394 | pluto_rw(pluto, REG_PIDn(0), PID0_END, 0);
|
| 395 | #endif
|
| 396 |
|
| 397 | pluto_dma_map(pluto);
|
| 398 | pluto_set_dma_addr(pluto);
|
| 399 |
|
| 400 |
|
| 401 | pluto_enable_irqs(pluto);
|
| 402 |
|
| 403 |
|
| 404 | pluto_reset_ts(pluto, 1);
|
| 405 |
|
| 406 | return 0;
|
| 407 | }
|
| 408 |
|
| 409 | static void pluto_hw_exit(struct pluto *pluto)
|
| 410 | {
|
| 411 |
|
| 412 | pluto_disable_irqs(pluto);
|
| 413 |
|
| 414 | pluto_reset_ts(pluto, 0);
|
| 415 |
|
| 416 |
|
| 417 | pluto_rw(pluto, REG_MISC, MISC_ALED | MISC_LED1 | MISC_LED0, MISC_LED1);
|
| 418 |
|
| 419 |
|
| 420 | pluto_dma_unmap(pluto);
|
| 421 |
|
| 422 | pluto_reset_frontend(pluto, 0);
|
| 423 | }
|
| 424 |
|
| 425 | static inline u32 divide(u32 numerator, u32 denominator)
|
| 426 | {
|
| 427 | if (denominator == 0)
|
| 428 | return ~0;
|
| 429 |
|
| 430 | return DIV_ROUND_CLOSEST(numerator, denominator);
|
| 431 | }
|
| 432 |
|
| 433 |
|
| 434 | static int lg_tdtpe001p_tuner_set_params(struct dvb_frontend *fe)
|
| 435 | {
|
| 436 | struct dtv_frontend_properties *p = &fe->dtv_property_cache;
|
| 437 | struct pluto *pluto = frontend_to_pluto(fe);
|
| 438 | struct i2c_msg msg;
|
| 439 | int ret;
|
| 440 | u8 buf[4];
|
| 441 | u32 div;
|
| 442 |
|
| 443 | |
| 444 | |
| 445 | |
| 446 | |
| 447 | |
| 448 | div = divide(p->frequency * 3, 500000) + 217;
|
| 449 | buf[0] = (div >> 8) & 0x7f;
|
| 450 | buf[1] = (div >> 0) & 0xff;
|
| 451 |
|
| 452 | if (p->frequency < 611000000)
|
| 453 | buf[2] = 0xb4;
|
| 454 | else if (p->frequency < 811000000)
|
| 455 | buf[2] = 0xbc;
|
| 456 | else
|
| 457 | buf[2] = 0xf4;
|
| 458 |
|
| 459 | |
| 460 | |
| 461 | |
| 462 | if (p->frequency < 350000000)
|
| 463 | buf[3] = 0x02;
|
| 464 | else
|
| 465 | buf[3] = 0x04;
|
| 466 |
|
| 467 | if (p->bandwidth_hz == 8000000)
|
| 468 | buf[3] |= 0x08;
|
| 469 |
|
| 470 | msg.addr = I2C_ADDR_TUA6034 >> 1;
|
| 471 | msg.flags = 0;
|
| 472 | msg.buf = buf;
|
| 473 | msg.len = sizeof(buf);
|
| 474 |
|
| 475 | if (fe->ops.i2c_gate_ctrl)
|
| 476 | fe->ops.i2c_gate_ctrl(fe, 1);
|
| 477 | ret = i2c_transfer(&pluto->i2c_adap, &msg, 1);
|
| 478 | if (ret < 0)
|
| 479 | return ret;
|
| 480 | else if (ret == 0)
|
| 481 | return -EREMOTEIO;
|
| 482 |
|
| 483 | return 0;
|
| 484 | }
|
| 485 |
|
| 486 | static int pluto2_request_firmware(struct dvb_frontend *fe,
|
| 487 | const struct firmware **fw, char *name)
|
| 488 | {
|
| 489 | struct pluto *pluto = frontend_to_pluto(fe);
|
| 490 |
|
| 491 | return request_firmware(fw, name, &pluto->pdev->dev);
|
| 492 | }
|
| 493 |
|
| 494 | static struct tda1004x_config pluto2_fe_config = {
|
| 495 | .demod_address = I2C_ADDR_TDA10046 >> 1,
|
| 496 | .invert = 1,
|
| 497 | .invert_oclk = 0,
|
| 498 | .xtal_freq = TDA10046_XTAL_16M,
|
| 499 | .agc_config = TDA10046_AGC_DEFAULT,
|
| 500 | .if_freq = TDA10046_FREQ_3617,
|
| 501 | .request_firmware = pluto2_request_firmware,
|
| 502 | };
|
| 503 |
|
| 504 | static int frontend_init(struct pluto *pluto)
|
| 505 | {
|
| 506 | int ret;
|
| 507 |
|
| 508 | pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap);
|
| 509 | if (!pluto->fe) {
|
| 510 | dev_err(&pluto->pdev->dev, "could not attach frontend\n");
|
| 511 | return -ENODEV;
|
| 512 | }
|
| 513 | pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params;
|
| 514 |
|
| 515 | ret = dvb_register_frontend(&pluto->dvb_adapter, pluto->fe);
|
| 516 | if (ret < 0) {
|
| 517 | if (pluto->fe->ops.release)
|
| 518 | pluto->fe->ops.release(pluto->fe);
|
| 519 | return ret;
|
| 520 | }
|
| 521 |
|
| 522 | return 0;
|
| 523 | }
|
| 524 |
|
| 525 | static void pluto_read_rev(struct pluto *pluto)
|
| 526 | {
|
| 527 | u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR;
|
| 528 | dev_info(&pluto->pdev->dev, "board revision %d.%d\n",
|
| 529 | (val >> 12) & 0x0f, (val >> 4) & 0xff);
|
| 530 | }
|
| 531 |
|
| 532 | static void pluto_read_mac(struct pluto *pluto, u8 *mac)
|
| 533 | {
|
| 534 | u32 val = pluto_readreg(pluto, REG_MMAC);
|
| 535 | mac[0] = (val >> 8) & 0xff;
|
| 536 | mac[1] = (val >> 0) & 0xff;
|
| 537 |
|
| 538 | val = pluto_readreg(pluto, REG_IMAC);
|
| 539 | mac[2] = (val >> 8) & 0xff;
|
| 540 | mac[3] = (val >> 0) & 0xff;
|
| 541 |
|
| 542 | val = pluto_readreg(pluto, REG_LMAC);
|
| 543 | mac[4] = (val >> 8) & 0xff;
|
| 544 | mac[5] = (val >> 0) & 0xff;
|
| 545 |
|
| 546 | dev_info(&pluto->pdev->dev, "MAC %pM\n", mac);
|
| 547 | }
|
| 548 |
|
| 549 | static int pluto_read_serial(struct pluto *pluto)
|
| 550 | {
|
| 551 | struct pci_dev *pdev = pluto->pdev;
|
| 552 | unsigned int i, j;
|
| 553 | u8 __iomem *cis;
|
| 554 |
|
| 555 | cis = pci_iomap(pdev, 1, 0);
|
| 556 | if (!cis)
|
| 557 | return -EIO;
|
| 558 |
|
| 559 | dev_info(&pdev->dev, "S/N ");
|
| 560 |
|
| 561 | for (i = 0xe0; i < 0x100; i += 4) {
|
| 562 | u32 val = readl(&cis[i]);
|
| 563 | for (j = 0; j < 32; j += 8) {
|
| 564 | if ((val & 0xff) == 0xff)
|
| 565 | goto out;
|
| 566 | printk(KERN_CONT "%c", val & 0xff);
|
| 567 | val >>= 8;
|
| 568 | }
|
| 569 | }
|
| 570 | out:
|
| 571 | printk(KERN_CONT "\n");
|
| 572 | pci_iounmap(pdev, cis);
|
| 573 |
|
| 574 | return 0;
|
| 575 | }
|
| 576 |
|
| 577 | static int pluto2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
|
| 578 | {
|
| 579 | struct pluto *pluto;
|
| 580 | struct dvb_adapter *dvb_adapter;
|
| 581 | struct dvb_demux *dvbdemux;
|
| 582 | struct dmx_demux *dmx;
|
| 583 | int ret = -ENOMEM;
|
| 584 |
|
| 585 | pluto = kzalloc_obj(struct pluto);
|
| 586 | if (!pluto)
|
| 587 | goto out;
|
| 588 |
|
| 589 | pluto->pdev = pdev;
|
| 590 |
|
| 591 | ret = pci_enable_device(pdev);
|
| 592 | if (ret < 0)
|
| 593 | goto err_kfree;
|
| 594 |
|
| 595 |
|
| 596 | pci_write_config_dword(pdev, 0x6c, 0x8000);
|
| 597 |
|
| 598 | ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
|
| 599 | if (ret < 0)
|
| 600 | goto err_pci_disable_device;
|
| 601 |
|
| 602 | pci_set_master(pdev);
|
| 603 |
|
| 604 | ret = pci_request_regions(pdev, DRIVER_NAME);
|
| 605 | if (ret < 0)
|
| 606 | goto err_pci_disable_device;
|
| 607 |
|
| 608 | pluto->io_mem = pci_iomap(pdev, 0, 0x40);
|
| 609 | if (!pluto->io_mem) {
|
| 610 | ret = -EIO;
|
| 611 | goto err_pci_release_regions;
|
| 612 | }
|
| 613 |
|
| 614 | pci_set_drvdata(pdev, pluto);
|
| 615 |
|
| 616 | ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto);
|
| 617 | if (ret < 0)
|
| 618 | goto err_pci_iounmap;
|
| 619 |
|
| 620 | ret = pluto_hw_init(pluto);
|
| 621 | if (ret < 0)
|
| 622 | goto err_free_irq;
|
| 623 |
|
| 624 |
|
| 625 | i2c_set_adapdata(&pluto->i2c_adap, pluto);
|
| 626 | strscpy(pluto->i2c_adap.name, DRIVER_NAME, sizeof(pluto->i2c_adap.name));
|
| 627 | pluto->i2c_adap.owner = THIS_MODULE;
|
| 628 | pluto->i2c_adap.dev.parent = &pdev->dev;
|
| 629 | pluto->i2c_adap.algo_data = &pluto->i2c_bit;
|
| 630 | pluto->i2c_bit.data = pluto;
|
| 631 | pluto->i2c_bit.setsda = pluto_setsda;
|
| 632 | pluto->i2c_bit.setscl = pluto_setscl;
|
| 633 | pluto->i2c_bit.getsda = pluto_getsda;
|
| 634 | pluto->i2c_bit.getscl = pluto_getscl;
|
| 635 | pluto->i2c_bit.udelay = 10;
|
| 636 | pluto->i2c_bit.timeout = 10;
|
| 637 |
|
| 638 |
|
| 639 | pluto_setsda(pluto, 1);
|
| 640 | pluto_setscl(pluto, 1);
|
| 641 |
|
| 642 | ret = i2c_bit_add_bus(&pluto->i2c_adap);
|
| 643 | if (ret < 0)
|
| 644 | goto err_pluto_hw_exit;
|
| 645 |
|
| 646 |
|
| 647 | ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME,
|
| 648 | THIS_MODULE, &pdev->dev, adapter_nr);
|
| 649 | if (ret < 0)
|
| 650 | goto err_i2c_del_adapter;
|
| 651 |
|
| 652 | dvb_adapter = &pluto->dvb_adapter;
|
| 653 |
|
| 654 | pluto_read_rev(pluto);
|
| 655 | pluto_read_serial(pluto);
|
| 656 | pluto_read_mac(pluto, dvb_adapter->proposed_mac);
|
| 657 |
|
| 658 | dvbdemux = &pluto->demux;
|
| 659 | dvbdemux->filternum = 256;
|
| 660 | dvbdemux->feednum = 256;
|
| 661 | dvbdemux->start_feed = pluto_start_feed;
|
| 662 | dvbdemux->stop_feed = pluto_stop_feed;
|
| 663 | dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
|
| 664 | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
|
| 665 | ret = dvb_dmx_init(dvbdemux);
|
| 666 | if (ret < 0)
|
| 667 | goto err_dvb_unregister_adapter;
|
| 668 |
|
| 669 | dmx = &dvbdemux->dmx;
|
| 670 |
|
| 671 | pluto->hw_frontend.source = DMX_FRONTEND_0;
|
| 672 | pluto->mem_frontend.source = DMX_MEMORY_FE;
|
| 673 | pluto->dmxdev.filternum = NHWFILTERS;
|
| 674 | pluto->dmxdev.demux = dmx;
|
| 675 |
|
| 676 | ret = dvb_dmxdev_init(&pluto->dmxdev, dvb_adapter);
|
| 677 | if (ret < 0)
|
| 678 | goto err_dvb_dmx_release;
|
| 679 |
|
| 680 | ret = dmx->add_frontend(dmx, &pluto->hw_frontend);
|
| 681 | if (ret < 0)
|
| 682 | goto err_dvb_dmxdev_release;
|
| 683 |
|
| 684 | ret = dmx->add_frontend(dmx, &pluto->mem_frontend);
|
| 685 | if (ret < 0)
|
| 686 | goto err_remove_hw_frontend;
|
| 687 |
|
| 688 | ret = dmx->connect_frontend(dmx, &pluto->hw_frontend);
|
| 689 | if (ret < 0)
|
| 690 | goto err_remove_mem_frontend;
|
| 691 |
|
| 692 | ret = frontend_init(pluto);
|
| 693 | if (ret < 0)
|
| 694 | goto err_disconnect_frontend;
|
| 695 |
|
| 696 | dvb_net_init(dvb_adapter, &pluto->dvbnet, dmx);
|
| 697 | out:
|
| 698 | return ret;
|
| 699 |
|
| 700 | err_disconnect_frontend:
|
| 701 | dmx->disconnect_frontend(dmx);
|
| 702 | err_remove_mem_frontend:
|
| 703 | dmx->remove_frontend(dmx, &pluto->mem_frontend);
|
| 704 | err_remove_hw_frontend:
|
| 705 | dmx->remove_frontend(dmx, &pluto->hw_frontend);
|
| 706 | err_dvb_dmxdev_release:
|
| 707 | dvb_dmxdev_release(&pluto->dmxdev);
|
| 708 | err_dvb_dmx_release:
|
| 709 | dvb_dmx_release(dvbdemux);
|
| 710 | err_dvb_unregister_adapter:
|
| 711 | dvb_unregister_adapter(dvb_adapter);
|
| 712 | err_i2c_del_adapter:
|
| 713 | i2c_del_adapter(&pluto->i2c_adap);
|
| 714 | err_pluto_hw_exit:
|
| 715 | pluto_hw_exit(pluto);
|
| 716 | err_free_irq:
|
| 717 | free_irq(pdev->irq, pluto);
|
| 718 | err_pci_iounmap:
|
| 719 | pci_iounmap(pdev, pluto->io_mem);
|
| 720 | err_pci_release_regions:
|
| 721 | pci_release_regions(pdev);
|
| 722 | err_pci_disable_device:
|
| 723 | pci_disable_device(pdev);
|
| 724 | err_kfree:
|
| 725 | kfree(pluto);
|
| 726 | goto out;
|
| 727 | }
|
| 728 |
|
| 729 | static void pluto2_remove(struct pci_dev *pdev)
|
| 730 | {
|
| 731 | struct pluto *pluto = pci_get_drvdata(pdev);
|
| 732 | struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter;
|
| 733 | struct dvb_demux *dvbdemux = &pluto->demux;
|
| 734 | struct dmx_demux *dmx = &dvbdemux->dmx;
|
| 735 |
|
| 736 | dmx->close(dmx);
|
| 737 | dvb_net_release(&pluto->dvbnet);
|
| 738 | if (pluto->fe)
|
| 739 | dvb_unregister_frontend(pluto->fe);
|
| 740 |
|
| 741 | dmx->disconnect_frontend(dmx);
|
| 742 | dmx->remove_frontend(dmx, &pluto->mem_frontend);
|
| 743 | dmx->remove_frontend(dmx, &pluto->hw_frontend);
|
| 744 | dvb_dmxdev_release(&pluto->dmxdev);
|
| 745 | dvb_dmx_release(dvbdemux);
|
| 746 | dvb_unregister_adapter(dvb_adapter);
|
| 747 | i2c_del_adapter(&pluto->i2c_adap);
|
| 748 | pluto_hw_exit(pluto);
|
| 749 | free_irq(pdev->irq, pluto);
|
| 750 | pci_iounmap(pdev, pluto->io_mem);
|
| 751 | pci_release_regions(pdev);
|
| 752 | pci_disable_device(pdev);
|
| 753 | kfree(pluto);
|
| 754 | }
|
| 755 |
|
| 756 | #ifndef PCI_VENDOR_ID_SCM
|
| 757 | #define PCI_VENDOR_ID_SCM 0x0432
|
| 758 | #endif
|
| 759 | #ifndef PCI_DEVICE_ID_PLUTO2
|
| 760 | #define PCI_DEVICE_ID_PLUTO2 0x0001
|
| 761 | #endif
|
| 762 |
|
| 763 | static const struct pci_device_id pluto2_id_table[] = {
|
| 764 | {
|
| 765 | PCI_VDEVICE(SCM, PCI_DEVICE_ID_PLUTO2),
|
| 766 | }, {
|
| 767 |
|
| 768 | },
|
| 769 | };
|
| 770 |
|
| 771 | MODULE_DEVICE_TABLE(pci, pluto2_id_table);
|
| 772 |
|
| 773 | static struct pci_driver pluto2_driver = {
|
| 774 | .name = DRIVER_NAME,
|
| 775 | .id_table = pluto2_id_table,
|
| 776 | .probe = pluto2_probe,
|
| 777 | .remove = pluto2_remove,
|
| 778 | };
|
| 779 |
|
| 780 | module_pci_driver(pluto2_driver);
|
| 781 |
|
| 782 | MODULE_AUTHOR("Andreas Oberritter <[email protected]>");
|
| 783 | MODULE_DESCRIPTION("Pluto2 driver");
|
| 784 | MODULE_LICENSE("GPL");
|