Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Support for OR51211 (pcHDTV HD-2000) - VSB |
| 3 | * |
| 4 | * Copyright (C) 2005 Kirk Lapray <kirk_lapray@bigfoot.com> |
| 5 | * |
| 6 | * Based on code from Jack Kelliher (kelliher@xmission.com) |
| 7 | * Copyright (C) 2002 & pcHDTV, inc. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | /* |
| 26 | * This driver needs external firmware. Please use the command |
| 27 | * "<kerneldir>/Documentation/dvb/get_dvb_firmware or51211" to |
| 28 | * download/extract it, and then copy it to /usr/lib/hotplug/firmware. |
| 29 | */ |
| 30 | #define OR51211_DEFAULT_FIRMWARE "dvb-fe-or51211.fw" |
| 31 | |
| 32 | #include <linux/kernel.h> |
| 33 | #include <linux/module.h> |
| 34 | #include <linux/moduleparam.h> |
| 35 | #include <linux/device.h> |
| 36 | #include <linux/firmware.h> |
Tim Schmielau | 4e57b68 | 2005-10-30 15:03:48 -0800 | [diff] [blame] | 37 | #include <linux/string.h> |
| 38 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #include <asm/byteorder.h> |
| 40 | |
| 41 | #include "dvb_frontend.h" |
| 42 | #include "or51211.h" |
| 43 | |
| 44 | static int debug; |
| 45 | #define dprintk(args...) \ |
| 46 | do { \ |
| 47 | if (debug) printk(KERN_DEBUG "or51211: " args); \ |
| 48 | } while (0) |
| 49 | |
| 50 | static u8 run_buf[] = {0x7f,0x01}; |
| 51 | static u8 cmd_buf[] = {0x04,0x01,0x50,0x80,0x06}; // ATSC |
| 52 | |
| 53 | struct or51211_state { |
| 54 | |
| 55 | struct i2c_adapter* i2c; |
| 56 | struct dvb_frontend_ops ops; |
| 57 | |
| 58 | /* Configuration settings */ |
| 59 | const struct or51211_config* config; |
| 60 | |
| 61 | struct dvb_frontend frontend; |
| 62 | struct bt878* bt; |
| 63 | |
| 64 | /* Demodulator private data */ |
| 65 | u8 initialized:1; |
| 66 | |
| 67 | /* Tuner private data */ |
| 68 | u32 current_frequency; |
| 69 | }; |
| 70 | |
| 71 | static int i2c_writebytes (struct or51211_state* state, u8 reg, u8 *buf, |
| 72 | int len) |
| 73 | { |
| 74 | int err; |
| 75 | struct i2c_msg msg; |
| 76 | msg.addr = reg; |
| 77 | msg.flags = 0; |
| 78 | msg.len = len; |
| 79 | msg.buf = buf; |
| 80 | |
| 81 | if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { |
| 82 | printk(KERN_WARNING "or51211: i2c_writebytes error " |
| 83 | "(addr %02x, err == %i)\n", reg, err); |
| 84 | return -EREMOTEIO; |
| 85 | } |
| 86 | |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | static u8 i2c_readbytes (struct or51211_state* state, u8 reg, u8* buf, int len) |
| 91 | { |
| 92 | int err; |
| 93 | struct i2c_msg msg; |
| 94 | msg.addr = reg; |
| 95 | msg.flags = I2C_M_RD; |
| 96 | msg.len = len; |
| 97 | msg.buf = buf; |
| 98 | |
| 99 | if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { |
| 100 | printk(KERN_WARNING "or51211: i2c_readbytes error " |
| 101 | "(addr %02x, err == %i)\n", reg, err); |
| 102 | return -EREMOTEIO; |
| 103 | } |
| 104 | |
| 105 | return 0; |
| 106 | } |
| 107 | |
| 108 | static int or51211_load_firmware (struct dvb_frontend* fe, |
| 109 | const struct firmware *fw) |
| 110 | { |
| 111 | struct or51211_state* state = fe->demodulator_priv; |
| 112 | u8 tudata[585]; |
| 113 | int i; |
| 114 | |
Hans Verkuil | e18828e | 2006-01-09 15:25:28 -0200 | [diff] [blame^] | 115 | dprintk("Firmware is %zd bytes\n",fw->size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | |
| 117 | /* Get eprom data */ |
| 118 | tudata[0] = 17; |
| 119 | if (i2c_writebytes(state,0x50,tudata,1)) { |
| 120 | printk(KERN_WARNING "or51211:load_firmware error eprom addr\n"); |
| 121 | return -1; |
| 122 | } |
| 123 | if (i2c_readbytes(state,0x50,&tudata[145],192)) { |
| 124 | printk(KERN_WARNING "or51211: load_firmware error eprom\n"); |
| 125 | return -1; |
| 126 | } |
| 127 | |
| 128 | /* Create firmware buffer */ |
| 129 | for (i = 0; i < 145; i++) |
| 130 | tudata[i] = fw->data[i]; |
| 131 | |
| 132 | for (i = 0; i < 248; i++) |
| 133 | tudata[i+337] = fw->data[145+i]; |
| 134 | |
| 135 | state->config->reset(fe); |
| 136 | |
| 137 | if (i2c_writebytes(state,state->config->demod_address,tudata,585)) { |
| 138 | printk(KERN_WARNING "or51211: load_firmware error 1\n"); |
| 139 | return -1; |
| 140 | } |
| 141 | msleep(1); |
| 142 | |
| 143 | if (i2c_writebytes(state,state->config->demod_address, |
| 144 | &fw->data[393],8125)) { |
| 145 | printk(KERN_WARNING "or51211: load_firmware error 2\n"); |
| 146 | return -1; |
| 147 | } |
| 148 | msleep(1); |
| 149 | |
| 150 | if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) { |
| 151 | printk(KERN_WARNING "or51211: load_firmware error 3\n"); |
| 152 | return -1; |
| 153 | } |
| 154 | |
| 155 | /* Wait at least 5 msec */ |
| 156 | msleep(10); |
| 157 | if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) { |
| 158 | printk(KERN_WARNING "or51211: load_firmware error 4\n"); |
| 159 | return -1; |
| 160 | } |
| 161 | msleep(10); |
| 162 | |
| 163 | printk("or51211: Done.\n"); |
| 164 | return 0; |
| 165 | }; |
| 166 | |
| 167 | static int or51211_setmode(struct dvb_frontend* fe, int mode) |
| 168 | { |
| 169 | struct or51211_state* state = fe->demodulator_priv; |
| 170 | u8 rec_buf[14]; |
| 171 | |
| 172 | state->config->setmode(fe, mode); |
| 173 | |
| 174 | if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) { |
| 175 | printk(KERN_WARNING "or51211: setmode error 1\n"); |
| 176 | return -1; |
| 177 | } |
| 178 | |
| 179 | /* Wait at least 5 msec */ |
| 180 | msleep(10); |
| 181 | if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) { |
| 182 | printk(KERN_WARNING "or51211: setmode error 2\n"); |
| 183 | return -1; |
| 184 | } |
| 185 | |
| 186 | msleep(10); |
| 187 | |
| 188 | /* Set operation mode in Receiver 1 register; |
| 189 | * type 1: |
| 190 | * data 0x50h Automatic sets receiver channel conditions |
| 191 | * Automatic NTSC rejection filter |
| 192 | * Enable MPEG serial data output |
| 193 | * MPEG2tr |
| 194 | * High tuner phase noise |
| 195 | * normal +/-150kHz Carrier acquisition range |
| 196 | */ |
| 197 | if (i2c_writebytes(state,state->config->demod_address,cmd_buf,3)) { |
| 198 | printk(KERN_WARNING "or51211: setmode error 3\n"); |
| 199 | return -1; |
| 200 | } |
| 201 | |
| 202 | rec_buf[0] = 0x04; |
| 203 | rec_buf[1] = 0x00; |
| 204 | rec_buf[2] = 0x03; |
| 205 | rec_buf[3] = 0x00; |
| 206 | msleep(20); |
| 207 | if (i2c_writebytes(state,state->config->demod_address,rec_buf,3)) { |
| 208 | printk(KERN_WARNING "or51211: setmode error 5\n"); |
| 209 | } |
| 210 | msleep(3); |
| 211 | if (i2c_readbytes(state,state->config->demod_address,&rec_buf[10],2)) { |
| 212 | printk(KERN_WARNING "or51211: setmode error 6"); |
| 213 | return -1; |
| 214 | } |
| 215 | dprintk("setmode rec status %02x %02x\n",rec_buf[10],rec_buf[11]); |
| 216 | |
| 217 | return 0; |
| 218 | } |
| 219 | |
| 220 | static int or51211_set_parameters(struct dvb_frontend* fe, |
| 221 | struct dvb_frontend_parameters *param) |
| 222 | { |
| 223 | struct or51211_state* state = fe->demodulator_priv; |
| 224 | u32 freq = 0; |
| 225 | u16 tunerfreq = 0; |
| 226 | u8 buf[4]; |
| 227 | |
| 228 | /* Change only if we are actually changing the channel */ |
| 229 | if (state->current_frequency != param->frequency) { |
| 230 | freq = 44000 + (param->frequency/1000); |
| 231 | tunerfreq = freq * 16/1000; |
| 232 | |
| 233 | dprintk("set_parameters frequency = %d (tunerfreq = %d)\n", |
| 234 | param->frequency,tunerfreq); |
| 235 | |
| 236 | buf[0] = (tunerfreq >> 8) & 0x7F; |
| 237 | buf[1] = (tunerfreq & 0xFF); |
| 238 | buf[2] = 0x8E; |
| 239 | |
| 240 | if (param->frequency < 157250000) { |
| 241 | buf[3] = 0xA0; |
| 242 | dprintk("set_parameters VHF low range\n"); |
| 243 | } else if (param->frequency < 454000000) { |
| 244 | buf[3] = 0x90; |
| 245 | dprintk("set_parameters VHF high range\n"); |
| 246 | } else { |
| 247 | buf[3] = 0x30; |
| 248 | dprintk("set_parameters UHF range\n"); |
| 249 | } |
| 250 | dprintk("set_parameters tuner bytes: 0x%02x 0x%02x " |
| 251 | "0x%02x 0x%02x\n",buf[0],buf[1],buf[2],buf[3]); |
| 252 | |
| 253 | if (i2c_writebytes(state,0xC2>>1,buf,4)) |
| 254 | printk(KERN_WARNING "or51211:set_parameters error " |
| 255 | "writing to tuner\n"); |
| 256 | |
| 257 | /* Set to ATSC mode */ |
| 258 | or51211_setmode(fe,0); |
| 259 | |
| 260 | /* Update current frequency */ |
| 261 | state->current_frequency = param->frequency; |
| 262 | } |
| 263 | return 0; |
| 264 | } |
| 265 | |
| 266 | static int or51211_read_status(struct dvb_frontend* fe, fe_status_t* status) |
| 267 | { |
| 268 | struct or51211_state* state = fe->demodulator_priv; |
| 269 | unsigned char rec_buf[2]; |
| 270 | unsigned char snd_buf[] = {0x04,0x00,0x03,0x00}; |
| 271 | *status = 0; |
| 272 | |
| 273 | /* Receiver Status */ |
| 274 | if (i2c_writebytes(state,state->config->demod_address,snd_buf,3)) { |
| 275 | printk(KERN_WARNING "or51132: read_status write error\n"); |
| 276 | return -1; |
| 277 | } |
| 278 | msleep(3); |
| 279 | if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) { |
| 280 | printk(KERN_WARNING "or51132: read_status read error\n"); |
| 281 | return -1; |
| 282 | } |
| 283 | dprintk("read_status %x %x\n",rec_buf[0],rec_buf[1]); |
| 284 | |
| 285 | if (rec_buf[0] & 0x01) { /* Receiver Lock */ |
| 286 | *status |= FE_HAS_SIGNAL; |
| 287 | *status |= FE_HAS_CARRIER; |
| 288 | *status |= FE_HAS_VITERBI; |
| 289 | *status |= FE_HAS_SYNC; |
| 290 | *status |= FE_HAS_LOCK; |
| 291 | } |
| 292 | return 0; |
| 293 | } |
| 294 | |
| 295 | /* log10-1 table at .5 increments from 1 to 100.5 */ |
| 296 | static unsigned int i100x20log10[] = { |
| 297 | 0, 352, 602, 795, 954, 1088, 1204, 1306, 1397, 1480, |
| 298 | 1556, 1625, 1690, 1750, 1806, 1858, 1908, 1955, 2000, 2042, |
| 299 | 2082, 2121, 2158, 2193, 2227, 2260, 2292, 2322, 2352, 2380, |
| 300 | 2408, 2434, 2460, 2486, 2510, 2534, 2557, 2580, 2602, 2623, |
| 301 | 2644, 2664, 2684, 2704, 2723, 2742, 2760, 2778, 2795, 2813, |
| 302 | 2829, 2846, 2862, 2878, 2894, 2909, 2924, 2939, 2954, 2968, |
| 303 | 2982, 2996, 3010, 3023, 3037, 3050, 3062, 3075, 3088, 3100, |
| 304 | 3112, 3124, 3136, 3148, 3159, 3170, 3182, 3193, 3204, 3214, |
| 305 | 3225, 3236, 3246, 3256, 3266, 3276, 3286, 3296, 3306, 3316, |
| 306 | 3325, 3334, 3344, 3353, 3362, 3371, 3380, 3389, 3397, 3406, |
| 307 | 3415, 3423, 3432, 3440, 3448, 3456, 3464, 3472, 3480, 3488, |
| 308 | 3496, 3504, 3511, 3519, 3526, 3534, 3541, 3549, 3556, 3563, |
| 309 | 3570, 3577, 3584, 3591, 3598, 3605, 3612, 3619, 3625, 3632, |
| 310 | 3639, 3645, 3652, 3658, 3665, 3671, 3677, 3683, 3690, 3696, |
| 311 | 3702, 3708, 3714, 3720, 3726, 3732, 3738, 3744, 3750, 3755, |
| 312 | 3761, 3767, 3772, 3778, 3784, 3789, 3795, 3800, 3806, 3811, |
| 313 | 3816, 3822, 3827, 3832, 3838, 3843, 3848, 3853, 3858, 3863, |
| 314 | 3868, 3874, 3879, 3884, 3888, 3893, 3898, 3903, 3908, 3913, |
| 315 | 3918, 3922, 3927, 3932, 3936, 3941, 3946, 3950, 3955, 3960, |
| 316 | 3964, 3969, 3973, 3978, 3982, 3986, 3991, 3995, 4000, 4004, |
| 317 | }; |
| 318 | |
| 319 | static unsigned int denom[] = {1,1,100,1000,10000,100000,1000000,10000000,100000000}; |
| 320 | |
| 321 | static unsigned int i20Log10(unsigned short val) |
| 322 | { |
| 323 | unsigned int rntval = 100; |
| 324 | unsigned int tmp = val; |
| 325 | unsigned int exp = 1; |
| 326 | |
| 327 | while(tmp > 100) {tmp /= 100; exp++;} |
| 328 | |
| 329 | val = (2 * val)/denom[exp]; |
| 330 | if (exp > 1) rntval = 2000*exp; |
| 331 | |
| 332 | rntval += i100x20log10[val]; |
| 333 | return rntval; |
| 334 | } |
| 335 | |
| 336 | static int or51211_read_signal_strength(struct dvb_frontend* fe, u16* strength) |
| 337 | { |
| 338 | struct or51211_state* state = fe->demodulator_priv; |
| 339 | u8 rec_buf[2]; |
| 340 | u8 snd_buf[4]; |
| 341 | u8 snr_equ; |
Johannes Stezenbach | b90ed91 | 2005-11-08 21:35:25 -0800 | [diff] [blame] | 342 | u32 signal_strength; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | |
| 344 | /* SNR after Equalizer */ |
| 345 | snd_buf[0] = 0x04; |
| 346 | snd_buf[1] = 0x00; |
| 347 | snd_buf[2] = 0x04; |
| 348 | snd_buf[3] = 0x00; |
| 349 | |
| 350 | if (i2c_writebytes(state,state->config->demod_address,snd_buf,3)) { |
| 351 | printk(KERN_WARNING "or51211: read_status write error\n"); |
| 352 | return -1; |
| 353 | } |
| 354 | msleep(3); |
| 355 | if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) { |
| 356 | printk(KERN_WARNING "or51211: read_status read error\n"); |
| 357 | return -1; |
| 358 | } |
| 359 | snr_equ = rec_buf[0] & 0xff; |
| 360 | |
| 361 | /* The value reported back from the frontend will be FFFF=100% 0000=0% */ |
Johannes Stezenbach | b90ed91 | 2005-11-08 21:35:25 -0800 | [diff] [blame] | 362 | signal_strength = (((5334 - i20Log10(snr_equ))/3+5)*65535)/1000; |
| 363 | if (signal_strength > 0xffff) |
| 364 | *strength = 0xffff; |
| 365 | else |
| 366 | *strength = signal_strength; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | dprintk("read_signal_strength %i\n",*strength); |
| 368 | |
| 369 | return 0; |
| 370 | } |
| 371 | |
| 372 | static int or51211_read_snr(struct dvb_frontend* fe, u16* snr) |
| 373 | { |
| 374 | struct or51211_state* state = fe->demodulator_priv; |
| 375 | u8 rec_buf[2]; |
| 376 | u8 snd_buf[4]; |
| 377 | |
| 378 | /* SNR after Equalizer */ |
| 379 | snd_buf[0] = 0x04; |
| 380 | snd_buf[1] = 0x00; |
| 381 | snd_buf[2] = 0x04; |
| 382 | snd_buf[3] = 0x00; |
| 383 | |
| 384 | if (i2c_writebytes(state,state->config->demod_address,snd_buf,3)) { |
| 385 | printk(KERN_WARNING "or51211: read_status write error\n"); |
| 386 | return -1; |
| 387 | } |
| 388 | msleep(3); |
| 389 | if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) { |
| 390 | printk(KERN_WARNING "or51211: read_status read error\n"); |
| 391 | return -1; |
| 392 | } |
| 393 | *snr = rec_buf[0] & 0xff; |
| 394 | |
| 395 | dprintk("read_snr %i\n",*snr); |
| 396 | |
| 397 | return 0; |
| 398 | } |
| 399 | |
| 400 | static int or51211_read_ber(struct dvb_frontend* fe, u32* ber) |
| 401 | { |
| 402 | *ber = -ENOSYS; |
| 403 | return 0; |
| 404 | } |
| 405 | |
| 406 | static int or51211_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) |
| 407 | { |
| 408 | *ucblocks = -ENOSYS; |
| 409 | return 0; |
| 410 | } |
| 411 | |
| 412 | static int or51211_sleep(struct dvb_frontend* fe) |
| 413 | { |
| 414 | return 0; |
| 415 | } |
| 416 | |
| 417 | static int or51211_init(struct dvb_frontend* fe) |
| 418 | { |
| 419 | struct or51211_state* state = fe->demodulator_priv; |
| 420 | const struct or51211_config* config = state->config; |
| 421 | const struct firmware* fw; |
| 422 | unsigned char get_ver_buf[] = {0x04,0x00,0x30,0x00,0x00}; |
| 423 | unsigned char rec_buf[14]; |
| 424 | int ret,i; |
| 425 | |
| 426 | if (!state->initialized) { |
| 427 | /* Request the firmware, this will block until it uploads */ |
| 428 | printk(KERN_INFO "or51211: Waiting for firmware upload " |
| 429 | "(%s)...\n", OR51211_DEFAULT_FIRMWARE); |
| 430 | ret = config->request_firmware(fe, &fw, |
| 431 | OR51211_DEFAULT_FIRMWARE); |
| 432 | printk(KERN_INFO "or51211:Got Hotplug firmware\n"); |
| 433 | if (ret) { |
| 434 | printk(KERN_WARNING "or51211: No firmware uploaded " |
| 435 | "(timeout or file not found?)\n"); |
| 436 | return ret; |
| 437 | } |
| 438 | |
| 439 | ret = or51211_load_firmware(fe, fw); |
| 440 | if (ret) { |
| 441 | printk(KERN_WARNING "or51211: Writing firmware to " |
| 442 | "device failed!\n"); |
| 443 | release_firmware(fw); |
| 444 | return ret; |
| 445 | } |
| 446 | printk(KERN_INFO "or51211: Firmware upload complete.\n"); |
| 447 | |
| 448 | /* Set operation mode in Receiver 1 register; |
| 449 | * type 1: |
| 450 | * data 0x50h Automatic sets receiver channel conditions |
| 451 | * Automatic NTSC rejection filter |
| 452 | * Enable MPEG serial data output |
| 453 | * MPEG2tr |
| 454 | * High tuner phase noise |
| 455 | * normal +/-150kHz Carrier acquisition range |
| 456 | */ |
| 457 | if (i2c_writebytes(state,state->config->demod_address, |
| 458 | cmd_buf,3)) { |
| 459 | printk(KERN_WARNING "or51211: Load DVR Error 5\n"); |
| 460 | return -1; |
| 461 | } |
| 462 | |
| 463 | /* Read back ucode version to besure we loaded correctly */ |
| 464 | /* and are really up and running */ |
| 465 | rec_buf[0] = 0x04; |
| 466 | rec_buf[1] = 0x00; |
| 467 | rec_buf[2] = 0x03; |
| 468 | rec_buf[3] = 0x00; |
| 469 | msleep(30); |
| 470 | if (i2c_writebytes(state,state->config->demod_address, |
| 471 | rec_buf,3)) { |
| 472 | printk(KERN_WARNING "or51211: Load DVR Error A\n"); |
| 473 | return -1; |
| 474 | } |
| 475 | msleep(3); |
| 476 | if (i2c_readbytes(state,state->config->demod_address, |
| 477 | &rec_buf[10],2)) { |
| 478 | printk(KERN_WARNING "or51211: Load DVR Error B\n"); |
| 479 | return -1; |
| 480 | } |
| 481 | |
| 482 | rec_buf[0] = 0x04; |
| 483 | rec_buf[1] = 0x00; |
| 484 | rec_buf[2] = 0x01; |
| 485 | rec_buf[3] = 0x00; |
| 486 | msleep(20); |
| 487 | if (i2c_writebytes(state,state->config->demod_address, |
| 488 | rec_buf,3)) { |
| 489 | printk(KERN_WARNING "or51211: Load DVR Error C\n"); |
| 490 | return -1; |
| 491 | } |
| 492 | msleep(3); |
| 493 | if (i2c_readbytes(state,state->config->demod_address, |
| 494 | &rec_buf[12],2)) { |
| 495 | printk(KERN_WARNING "or51211: Load DVR Error D\n"); |
| 496 | return -1; |
| 497 | } |
| 498 | |
| 499 | for (i = 0; i < 8; i++) |
| 500 | rec_buf[i]=0xed; |
| 501 | |
| 502 | for (i = 0; i < 5; i++) { |
| 503 | msleep(30); |
| 504 | get_ver_buf[4] = i+1; |
| 505 | if (i2c_writebytes(state,state->config->demod_address, |
| 506 | get_ver_buf,5)) { |
| 507 | printk(KERN_WARNING "or51211:Load DVR Error 6" |
| 508 | " - %d\n",i); |
| 509 | return -1; |
| 510 | } |
| 511 | msleep(3); |
| 512 | |
| 513 | if (i2c_readbytes(state,state->config->demod_address, |
| 514 | &rec_buf[i*2],2)) { |
| 515 | printk(KERN_WARNING "or51211:Load DVR Error 7" |
| 516 | " - %d\n",i); |
| 517 | return -1; |
| 518 | } |
| 519 | /* If we didn't receive the right index, try again */ |
| 520 | if ((int)rec_buf[i*2+1]!=i+1){ |
| 521 | i--; |
| 522 | } |
| 523 | } |
| 524 | dprintk("read_fwbits %x %x %x %x %x %x %x %x %x %x\n", |
| 525 | rec_buf[0], rec_buf[1], rec_buf[2], rec_buf[3], |
| 526 | rec_buf[4], rec_buf[5], rec_buf[6], rec_buf[7], |
| 527 | rec_buf[8], rec_buf[9]); |
| 528 | |
| 529 | printk(KERN_INFO "or51211: ver TU%02x%02x%02x VSB mode %02x" |
| 530 | " Status %02x\n", |
| 531 | rec_buf[2], rec_buf[4],rec_buf[6], |
| 532 | rec_buf[12],rec_buf[10]); |
| 533 | |
| 534 | rec_buf[0] = 0x04; |
| 535 | rec_buf[1] = 0x00; |
| 536 | rec_buf[2] = 0x03; |
| 537 | rec_buf[3] = 0x00; |
| 538 | msleep(20); |
| 539 | if (i2c_writebytes(state,state->config->demod_address, |
| 540 | rec_buf,3)) { |
| 541 | printk(KERN_WARNING "or51211: Load DVR Error 8\n"); |
| 542 | return -1; |
| 543 | } |
| 544 | msleep(20); |
| 545 | if (i2c_readbytes(state,state->config->demod_address, |
| 546 | &rec_buf[8],2)) { |
| 547 | printk(KERN_WARNING "or51211: Load DVR Error 9\n"); |
| 548 | return -1; |
| 549 | } |
| 550 | state->initialized = 1; |
| 551 | } |
| 552 | |
| 553 | return 0; |
| 554 | } |
| 555 | |
| 556 | static int or51211_get_tune_settings(struct dvb_frontend* fe, |
| 557 | struct dvb_frontend_tune_settings* fesettings) |
| 558 | { |
| 559 | fesettings->min_delay_ms = 500; |
| 560 | fesettings->step_size = 0; |
| 561 | fesettings->max_drift = 0; |
| 562 | return 0; |
| 563 | } |
| 564 | |
| 565 | static void or51211_release(struct dvb_frontend* fe) |
| 566 | { |
| 567 | struct or51211_state* state = fe->demodulator_priv; |
| 568 | state->config->sleep(fe); |
| 569 | kfree(state); |
| 570 | } |
| 571 | |
| 572 | static struct dvb_frontend_ops or51211_ops; |
| 573 | |
| 574 | struct dvb_frontend* or51211_attach(const struct or51211_config* config, |
| 575 | struct i2c_adapter* i2c) |
| 576 | { |
| 577 | struct or51211_state* state = NULL; |
| 578 | |
| 579 | /* Allocate memory for the internal state */ |
| 580 | state = kmalloc(sizeof(struct or51211_state), GFP_KERNEL); |
| 581 | if (state == NULL) |
| 582 | goto error; |
| 583 | |
| 584 | /* Setup the state */ |
| 585 | state->config = config; |
| 586 | state->i2c = i2c; |
| 587 | memcpy(&state->ops, &or51211_ops, sizeof(struct dvb_frontend_ops)); |
| 588 | state->initialized = 0; |
| 589 | state->current_frequency = 0; |
| 590 | |
| 591 | /* Create dvb_frontend */ |
| 592 | state->frontend.ops = &state->ops; |
| 593 | state->frontend.demodulator_priv = state; |
| 594 | return &state->frontend; |
| 595 | |
| 596 | error: |
| 597 | kfree(state); |
| 598 | return NULL; |
| 599 | } |
| 600 | |
| 601 | static struct dvb_frontend_ops or51211_ops = { |
| 602 | |
| 603 | .info = { |
| 604 | .name = "Oren OR51211 VSB Frontend", |
| 605 | .type = FE_ATSC, |
| 606 | .frequency_min = 44000000, |
| 607 | .frequency_max = 958000000, |
| 608 | .frequency_stepsize = 166666, |
| 609 | .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | |
| 610 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | |
| 611 | FE_CAN_8VSB |
| 612 | }, |
| 613 | |
| 614 | .release = or51211_release, |
| 615 | |
| 616 | .init = or51211_init, |
| 617 | .sleep = or51211_sleep, |
| 618 | |
| 619 | .set_frontend = or51211_set_parameters, |
| 620 | .get_tune_settings = or51211_get_tune_settings, |
| 621 | |
| 622 | .read_status = or51211_read_status, |
| 623 | .read_ber = or51211_read_ber, |
| 624 | .read_signal_strength = or51211_read_signal_strength, |
| 625 | .read_snr = or51211_read_snr, |
| 626 | .read_ucblocks = or51211_read_ucblocks, |
| 627 | }; |
| 628 | |
| 629 | module_param(debug, int, 0644); |
| 630 | MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); |
| 631 | |
| 632 | MODULE_DESCRIPTION("Oren OR51211 VSB [pcHDTV HD-2000] Demodulator Driver"); |
| 633 | MODULE_AUTHOR("Kirk Lapray"); |
| 634 | MODULE_LICENSE("GPL"); |
| 635 | |
| 636 | EXPORT_SYMBOL(or51211_attach); |
| 637 | |