Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1 | /* |
| 2 | Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver |
| 3 | |
| 4 | Copyright (C) 2006-2008 Steven Toth <stoth@hauppauge.com> |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 5 | Copyright (C) 2006-2007 Georg Acher |
| 6 | Copyright (C) 2007-2008 Darron Broad |
| 7 | March 2007 |
| 8 | Fixed some bugs. |
| 9 | Added diseqc support. |
| 10 | Added corrected signal strength support. |
| 11 | August 2007 |
| 12 | Sync with legacy version. |
| 13 | Some clean ups. |
| 14 | Copyright (C) 2008 Igor Liplianin |
| 15 | September, 9th 2008 |
| 16 | Fixed locking on high symbol rates (>30000). |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 17 | |
| 18 | This program is free software; you can redistribute it and/or modify |
| 19 | it under the terms of the GNU General Public License as published by |
| 20 | the Free Software Foundation; either version 2 of the License, or |
| 21 | (at your option) any later version. |
| 22 | |
| 23 | This program is distributed in the hope that it will be useful, |
| 24 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 25 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 26 | GNU General Public License for more details. |
| 27 | |
| 28 | You should have received a copy of the GNU General Public License |
| 29 | along with this program; if not, write to the Free Software |
| 30 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 31 | */ |
| 32 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 33 | #include <linux/slab.h> |
| 34 | #include <linux/kernel.h> |
| 35 | #include <linux/module.h> |
| 36 | #include <linux/moduleparam.h> |
| 37 | #include <linux/init.h> |
| 38 | #include <linux/firmware.h> |
| 39 | |
| 40 | #include "dvb_frontend.h" |
| 41 | #include "cx24116.h" |
| 42 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 43 | static int debug = 0; |
| 44 | #define dprintk(args...) \ |
| 45 | do { \ |
| 46 | if (debug) printk ("cx24116: " args); \ |
| 47 | } while (0) |
| 48 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 49 | #define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw" |
| 50 | #define CX24116_SEARCH_RANGE_KHZ 5000 |
| 51 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 52 | /* known registers */ |
| 53 | #define CX24116_REG_COMMAND (0x00) /* command args 0x00..0x1e */ |
| 54 | #define CX24116_REG_EXECUTE (0x1f) /* execute command */ |
| 55 | #define CX24116_REG_MAILBOX (0x96) /* FW or multipurpose mailbox? */ |
| 56 | #define CX24116_REG_RESET (0x20) /* reset status > 0 */ |
| 57 | #define CX24116_REG_SIGNAL (0x9e) /* signal low */ |
| 58 | #define CX24116_REG_SSTATUS (0x9d) /* signal high / status */ |
| 59 | #define CX24116_REG_QSTATUS (0xbc) |
| 60 | #define CX24116_REG_QUALITY (0xd5) |
| 61 | #define CX24116_REG_BER0 (0xc9) |
| 62 | #define CX24116_REG_BER8 (0xc8) |
| 63 | #define CX24116_REG_BER16 (0xc7) |
| 64 | #define CX24116_REG_BER24 (0xc6) |
| 65 | #define CX24116_REG_UCB0 (0xcb) |
| 66 | #define CX24116_REG_UCB8 (0xca) |
| 67 | #define CX24116_REG_CLKDIV (0xf3) |
| 68 | #define CX24116_REG_RATEDIV (0xf9) |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 69 | |
| 70 | /* arg buffer size */ |
| 71 | #define CX24116_ARGLEN (0x1e) |
| 72 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 73 | /* rolloff */ |
| 74 | #define CX24116_ROLLOFF_020 (0x00) |
| 75 | #define CX24116_ROLLOFF_025 (0x01) |
| 76 | #define CX24116_ROLLOFF_035 (0x02) |
| 77 | |
| 78 | /* pilot bit */ |
| 79 | #define CX24116_PILOT (0x40) |
| 80 | |
| 81 | /* signal status */ |
| 82 | #define CX24116_HAS_SIGNAL (0x01) |
| 83 | #define CX24116_HAS_CARRIER (0x02) |
| 84 | #define CX24116_HAS_VITERBI (0x04) |
| 85 | #define CX24116_HAS_SYNCLOCK (0x08) |
| 86 | #define CX24116_HAS_UNKNOWN1 (0x10) |
| 87 | #define CX24116_HAS_UNKNOWN2 (0x20) |
| 88 | #define CX24116_STATUS_MASK (0x3f) |
| 89 | #define CX24116_SIGNAL_MASK (0xc0) |
| 90 | |
| 91 | #define CX24116_DISEQC_TONEOFF (0) /* toneburst never sent */ |
| 92 | #define CX24116_DISEQC_TONECACHE (1) /* toneburst cached */ |
| 93 | #define CX24116_DISEQC_MESGCACHE (2) /* message cached */ |
| 94 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 95 | /* arg offset for DiSEqC */ |
| 96 | #define CX24116_DISEQC_BURST (1) |
| 97 | #define CX24116_DISEQC_ARG2_2 (2) /* unknown value=2 */ |
| 98 | #define CX24116_DISEQC_ARG3_0 (3) /* unknown value=0 */ |
| 99 | #define CX24116_DISEQC_ARG4_0 (4) /* unknown value=0 */ |
| 100 | #define CX24116_DISEQC_MSGLEN (5) |
| 101 | #define CX24116_DISEQC_MSGOFS (6) |
| 102 | |
| 103 | /* DiSEqC burst */ |
| 104 | #define CX24116_DISEQC_MINI_A (0) |
| 105 | #define CX24116_DISEQC_MINI_B (1) |
| 106 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 107 | /* DiSEqC tone burst */ |
| 108 | static int toneburst = 1; |
| 109 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 110 | enum cmds |
| 111 | { |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 112 | CMD_SET_VCO = 0x10, |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 113 | CMD_TUNEREQUEST = 0x11, |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 114 | CMD_MPEGCONFIG = 0x13, |
| 115 | CMD_TUNERINIT = 0x14, |
| 116 | CMD_BANDWIDTH = 0x15, |
| 117 | CMD_GETAGC = 0x19, |
| 118 | CMD_LNBCONFIG = 0x20, |
| 119 | CMD_LNBSEND = 0x21, /* Formerly CMD_SEND_DISEQC */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 120 | CMD_SET_TONEPRE = 0x22, |
| 121 | CMD_SET_TONE = 0x23, |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 122 | CMD_UPDFWVERS = 0x35, |
| 123 | CMD_TUNERSLEEP = 0x36, |
| 124 | CMD_AGCCONTROL = 0x3b, /* Unknown */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 125 | }; |
| 126 | |
| 127 | /* The Demod/Tuner can't easily provide these, we cache them */ |
| 128 | struct cx24116_tuning |
| 129 | { |
| 130 | u32 frequency; |
| 131 | u32 symbol_rate; |
| 132 | fe_spectral_inversion_t inversion; |
| 133 | fe_code_rate_t fec; |
| 134 | |
| 135 | fe_modulation_t modulation; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 136 | fe_pilot_t pilot; |
| 137 | fe_rolloff_t rolloff; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 138 | |
| 139 | /* Demod values */ |
| 140 | u8 fec_val; |
| 141 | u8 fec_mask; |
| 142 | u8 inversion_val; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 143 | u8 rolloff_val; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 144 | }; |
| 145 | |
| 146 | /* Basic commands that are sent to the firmware */ |
| 147 | struct cx24116_cmd |
| 148 | { |
| 149 | u8 len; |
| 150 | u8 args[CX24116_ARGLEN]; |
| 151 | }; |
| 152 | |
| 153 | struct cx24116_state |
| 154 | { |
| 155 | struct i2c_adapter* i2c; |
| 156 | const struct cx24116_config* config; |
| 157 | |
| 158 | struct dvb_frontend frontend; |
| 159 | |
| 160 | struct cx24116_tuning dcur; |
| 161 | struct cx24116_tuning dnxt; |
| 162 | |
| 163 | u8 skip_fw_load; |
| 164 | u8 burst; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 165 | struct cx24116_cmd dsec_cmd; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 166 | }; |
| 167 | |
| 168 | static int cx24116_writereg(struct cx24116_state* state, int reg, int data) |
| 169 | { |
| 170 | u8 buf[] = { reg, data }; |
| 171 | struct i2c_msg msg = { .addr = state->config->demod_address, |
| 172 | .flags = 0, .buf = buf, .len = 2 }; |
| 173 | int err; |
| 174 | |
| 175 | if (debug>1) |
| 176 | printk("cx24116: %s: write reg 0x%02x, value 0x%02x\n", |
| 177 | __func__,reg, data); |
| 178 | |
| 179 | if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { |
| 180 | printk("%s: writereg error(err == %i, reg == 0x%02x," |
| 181 | " value == 0x%02x)\n", __func__, err, reg, data); |
| 182 | return -EREMOTEIO; |
| 183 | } |
| 184 | |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | /* Bulk byte writes to a single I2C address, for 32k firmware load */ |
| 189 | static int cx24116_writeregN(struct cx24116_state* state, int reg, u8 *data, u16 len) |
| 190 | { |
| 191 | int ret = -EREMOTEIO; |
| 192 | struct i2c_msg msg; |
| 193 | u8 *buf; |
| 194 | |
| 195 | buf = kmalloc(len + 1, GFP_KERNEL); |
| 196 | if (buf == NULL) { |
| 197 | printk("Unable to kmalloc\n"); |
| 198 | ret = -ENOMEM; |
| 199 | goto error; |
| 200 | } |
| 201 | |
| 202 | *(buf) = reg; |
| 203 | memcpy(buf + 1, data, len); |
| 204 | |
| 205 | msg.addr = state->config->demod_address; |
| 206 | msg.flags = 0; |
| 207 | msg.buf = buf; |
| 208 | msg.len = len + 1; |
| 209 | |
| 210 | if (debug>1) |
| 211 | printk("cx24116: %s: write regN 0x%02x, len = %d\n", |
| 212 | __func__,reg, len); |
| 213 | |
| 214 | if ((ret = i2c_transfer(state->i2c, &msg, 1)) != 1) { |
| 215 | printk("%s: writereg error(err == %i, reg == 0x%02x\n", |
| 216 | __func__, ret, reg); |
| 217 | ret = -EREMOTEIO; |
| 218 | } |
| 219 | |
| 220 | error: |
| 221 | kfree(buf); |
| 222 | |
| 223 | return ret; |
| 224 | } |
| 225 | |
| 226 | static int cx24116_readreg(struct cx24116_state* state, u8 reg) |
| 227 | { |
| 228 | int ret; |
| 229 | u8 b0[] = { reg }; |
| 230 | u8 b1[] = { 0 }; |
| 231 | struct i2c_msg msg[] = { |
| 232 | { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 }, |
| 233 | { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } |
| 234 | }; |
| 235 | |
| 236 | ret = i2c_transfer(state->i2c, msg, 2); |
| 237 | |
| 238 | if (ret != 2) { |
| 239 | printk("%s: reg=0x%x (error=%d)\n", __func__, reg, ret); |
| 240 | return ret; |
| 241 | } |
| 242 | |
| 243 | if (debug>1) |
| 244 | printk("cx24116: read reg 0x%02x, value 0x%02x\n",reg, b1[0]); |
| 245 | |
| 246 | return b1[0]; |
| 247 | } |
| 248 | |
| 249 | static int cx24116_set_inversion(struct cx24116_state* state, fe_spectral_inversion_t inversion) |
| 250 | { |
| 251 | dprintk("%s(%d)\n", __func__, inversion); |
| 252 | |
| 253 | switch (inversion) { |
| 254 | case INVERSION_OFF: |
| 255 | state->dnxt.inversion_val = 0x00; |
| 256 | break; |
| 257 | case INVERSION_ON: |
| 258 | state->dnxt.inversion_val = 0x04; |
| 259 | break; |
| 260 | case INVERSION_AUTO: |
| 261 | state->dnxt.inversion_val = 0x0C; |
| 262 | break; |
| 263 | default: |
| 264 | return -EINVAL; |
| 265 | } |
| 266 | |
| 267 | state->dnxt.inversion = inversion; |
| 268 | |
| 269 | return 0; |
| 270 | } |
| 271 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 272 | /* |
| 273 | * modfec (modulation and FEC) |
| 274 | * =========================== |
| 275 | * |
| 276 | * MOD FEC mask/val standard |
| 277 | * ---- -------- ----------- -------- |
| 278 | * QPSK FEC_1_2 0x02 0x02+X DVB-S |
| 279 | * QPSK FEC_2_3 0x04 0x02+X DVB-S |
| 280 | * QPSK FEC_3_4 0x08 0x02+X DVB-S |
| 281 | * QPSK FEC_4_5 0x10 0x02+X DVB-S (?) |
| 282 | * QPSK FEC_5_6 0x20 0x02+X DVB-S |
| 283 | * QPSK FEC_6_7 0x40 0x02+X DVB-S |
| 284 | * QPSK FEC_7_8 0x80 0x02+X DVB-S |
| 285 | * QPSK FEC_8_9 0x01 0x02+X DVB-S (?) (NOT SUPPORTED?) |
| 286 | * QPSK AUTO 0xff 0x02+X DVB-S |
| 287 | * |
| 288 | * For DVB-S high byte probably represents FEC |
| 289 | * and low byte selects the modulator. The high |
| 290 | * byte is search range mask. Bit 5 may turn |
| 291 | * on DVB-S and remaining bits represent some |
| 292 | * kind of calibration (how/what i do not know). |
| 293 | * |
| 294 | * Eg.(2/3) szap "Zone Horror" |
| 295 | * |
| 296 | * mask/val = 0x04, 0x20 |
| 297 | * status 1f | signal c3c0 | snr a333 | ber 00000098 | unc 00000000 | FE_HAS_LOCK |
| 298 | * |
| 299 | * mask/val = 0x04, 0x30 |
| 300 | * status 1f | signal c3c0 | snr a333 | ber 00000000 | unc 00000000 | FE_HAS_LOCK |
| 301 | * |
| 302 | * After tuning FECSTATUS contains actual FEC |
| 303 | * in use numbered 1 through to 8 for 1/2 .. 2/3 etc |
| 304 | * |
| 305 | * NBC=NOT/NON BACKWARD COMPATIBLE WITH DVB-S (DVB-S2 only) |
| 306 | * |
| 307 | * NBC-QPSK FEC_1_2 0x00, 0x04 DVB-S2 |
| 308 | * NBC-QPSK FEC_3_5 0x00, 0x05 DVB-S2 |
| 309 | * NBC-QPSK FEC_2_3 0x00, 0x06 DVB-S2 |
| 310 | * NBC-QPSK FEC_3_4 0x00, 0x07 DVB-S2 |
| 311 | * NBC-QPSK FEC_4_5 0x00, 0x08 DVB-S2 |
| 312 | * NBC-QPSK FEC_5_6 0x00, 0x09 DVB-S2 |
| 313 | * NBC-QPSK FEC_8_9 0x00, 0x0a DVB-S2 |
| 314 | * NBC-QPSK FEC_9_10 0x00, 0x0b DVB-S2 |
| 315 | * |
| 316 | * NBC-8PSK FEC_3_5 0x00, 0x0c DVB-S2 |
| 317 | * NBC-8PSK FEC_2_3 0x00, 0x0d DVB-S2 |
| 318 | * NBC-8PSK FEC_3_4 0x00, 0x0e DVB-S2 |
| 319 | * NBC-8PSK FEC_5_6 0x00, 0x0f DVB-S2 |
| 320 | * NBC-8PSK FEC_8_9 0x00, 0x10 DVB-S2 |
| 321 | * NBC-8PSK FEC_9_10 0x00, 0x11 DVB-S2 |
| 322 | * |
| 323 | * For DVB-S2 low bytes selects both modulator |
| 324 | * and FEC. High byte is meaningless here. To |
| 325 | * set pilot, bit 6 (0x40) is set. When inspecting |
| 326 | * FECSTATUS bit 7 (0x80) represents the pilot |
| 327 | * selection whilst not tuned. When tuned, actual FEC |
| 328 | * in use is found in FECSTATUS as per above. Pilot |
| 329 | * value is reset. |
| 330 | */ |
| 331 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 332 | /* A table of modulation, fec and configuration bytes for the demod. |
| 333 | * Not all S2 mmodulation schemes are support and not all rates with |
| 334 | * a scheme are support. Especially, no auto detect when in S2 mode. |
| 335 | */ |
| 336 | struct cx24116_modfec { |
| 337 | fe_modulation_t modulation; |
| 338 | fe_code_rate_t fec; |
| 339 | u8 mask; /* In DVBS mode this is used to autodetect */ |
| 340 | u8 val; /* Passed to the firmware to indicate mode selection */ |
| 341 | } CX24116_MODFEC_MODES[] = { |
| 342 | /* QPSK. For unknown rates we set hardware to auto detect 0xfe 0x30 */ |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 343 | |
| 344 | /*mod fec mask val */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 345 | { QPSK, FEC_NONE, 0xfe, 0x30 }, |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 346 | { QPSK, FEC_1_2, 0x02, 0x2e }, /* 00000010 00101110 */ |
| 347 | { QPSK, FEC_2_3, 0x04, 0x2f }, /* 00000100 00101111 */ |
| 348 | { QPSK, FEC_3_4, 0x08, 0x30 }, /* 00001000 00110000 */ |
| 349 | { QPSK, FEC_4_5, 0xfe, 0x30 }, /* 000?0000 ? */ |
| 350 | { QPSK, FEC_5_6, 0x20, 0x31 }, /* 00100000 00110001 */ |
| 351 | { QPSK, FEC_6_7, 0xfe, 0x30 }, /* 0?000000 ? */ |
| 352 | { QPSK, FEC_7_8, 0x80, 0x32 }, /* 10000000 00110010 */ |
| 353 | { QPSK, FEC_8_9, 0xfe, 0x30 }, /* 0000000? ? */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 354 | { QPSK, FEC_AUTO, 0xfe, 0x30 }, |
| 355 | /* NBC-QPSK */ |
| 356 | { NBC_QPSK, FEC_1_2, 0x00, 0x04 }, |
| 357 | { NBC_QPSK, FEC_3_5, 0x00, 0x05 }, |
| 358 | { NBC_QPSK, FEC_2_3, 0x00, 0x06 }, |
| 359 | { NBC_QPSK, FEC_3_4, 0x00, 0x07 }, |
| 360 | { NBC_QPSK, FEC_4_5, 0x00, 0x08 }, |
| 361 | { NBC_QPSK, FEC_5_6, 0x00, 0x09 }, |
| 362 | { NBC_QPSK, FEC_8_9, 0x00, 0x0a }, |
| 363 | { NBC_QPSK, FEC_9_10, 0x00, 0x0b }, |
| 364 | /* 8PSK */ |
| 365 | { _8PSK, FEC_3_5, 0x00, 0x0c }, |
| 366 | { _8PSK, FEC_2_3, 0x00, 0x0d }, |
| 367 | { _8PSK, FEC_3_4, 0x00, 0x0e }, |
| 368 | { _8PSK, FEC_5_6, 0x00, 0x0f }, |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 369 | { _8PSK, FEC_8_9, 0x00, 0x10 }, |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 370 | { _8PSK, FEC_9_10, 0x00, 0x11 }, |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 371 | /* |
| 372 | * `val' can be found in the FECSTATUS register when tuning. |
| 373 | * FECSTATUS will give the actual FEC in use if tuning was successful. |
| 374 | */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 375 | }; |
| 376 | |
| 377 | static int cx24116_lookup_fecmod(struct cx24116_state* state, |
| 378 | fe_modulation_t m, fe_code_rate_t f) |
| 379 | { |
| 380 | int i, ret = -EOPNOTSUPP; |
| 381 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 382 | dprintk("%s(0x%02x,0x%02x)\n", __func__, m, f); |
| 383 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 384 | for(i=0 ; i < sizeof(CX24116_MODFEC_MODES) / sizeof(struct cx24116_modfec) ; i++) |
| 385 | { |
| 386 | if( (m == CX24116_MODFEC_MODES[i].modulation) && |
| 387 | (f == CX24116_MODFEC_MODES[i].fec) ) |
| 388 | { |
| 389 | ret = i; |
| 390 | break; |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | return ret; |
| 395 | } |
| 396 | |
| 397 | static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_code_rate_t fec) |
| 398 | { |
| 399 | int ret = 0; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 400 | |
| 401 | dprintk("%s(0x%02x,0x%02x)\n", __func__, mod, fec); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 402 | |
| 403 | ret = cx24116_lookup_fecmod(state, mod, fec); |
| 404 | |
| 405 | if(ret < 0) |
| 406 | return ret; |
| 407 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 408 | state->dnxt.fec = fec; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 409 | state->dnxt.fec_val = CX24116_MODFEC_MODES[ret].val; |
| 410 | state->dnxt.fec_mask = CX24116_MODFEC_MODES[ret].mask; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 411 | dprintk("%s() mask/val = 0x%02x/0x%02x\n", __func__, |
| 412 | state->dnxt.fec_mask, state->dnxt.fec_val); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 413 | |
| 414 | return 0; |
| 415 | } |
| 416 | |
| 417 | static int cx24116_set_symbolrate(struct cx24116_state* state, u32 rate) |
| 418 | { |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 419 | dprintk("%s(%d)\n", __func__, rate); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 420 | |
| 421 | /* check if symbol rate is within limits */ |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 422 | if ((rate > state->frontend.ops.info.symbol_rate_max) || |
| 423 | (rate < state->frontend.ops.info.symbol_rate_min)) { |
| 424 | dprintk("%s() unsupported symbol_rate = %d\n", __func__, rate); |
| 425 | return -EOPNOTSUPP; |
| 426 | } |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 427 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 428 | state->dnxt.symbol_rate = rate; |
| 429 | dprintk("%s() symbol_rate = %d\n", __func__, rate); |
| 430 | |
| 431 | return 0; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 432 | } |
| 433 | |
| 434 | static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw); |
| 435 | |
| 436 | static int cx24116_firmware_ondemand(struct dvb_frontend* fe) |
| 437 | { |
| 438 | struct cx24116_state *state = fe->demodulator_priv; |
| 439 | const struct firmware *fw; |
| 440 | int ret = 0; |
| 441 | |
| 442 | dprintk("%s()\n",__func__); |
| 443 | |
| 444 | if (cx24116_readreg(state, 0x20) > 0) |
| 445 | { |
| 446 | |
| 447 | if (state->skip_fw_load) |
| 448 | return 0; |
| 449 | |
| 450 | /* Load firmware */ |
| 451 | /* request the firmware, this will block until someone uploads it */ |
| 452 | printk("%s: Waiting for firmware upload (%s)...\n", __func__, CX24116_DEFAULT_FIRMWARE); |
| 453 | ret = request_firmware(&fw, CX24116_DEFAULT_FIRMWARE, &state->i2c->dev); |
| 454 | printk("%s: Waiting for firmware upload(2)...\n", __func__); |
| 455 | if (ret) { |
| 456 | printk("%s: No firmware uploaded (timeout or file not found?)\n", __func__); |
| 457 | return ret; |
| 458 | } |
| 459 | |
| 460 | /* Make sure we don't recurse back through here during loading */ |
| 461 | state->skip_fw_load = 1; |
| 462 | |
| 463 | ret = cx24116_load_firmware(fe, fw); |
| 464 | if (ret) |
| 465 | printk("%s: Writing firmware to device failed\n", __func__); |
| 466 | |
| 467 | release_firmware(fw); |
| 468 | |
| 469 | printk("%s: Firmware upload %s\n", __func__, ret == 0 ? "complete" : "failed"); |
| 470 | |
| 471 | /* Ensure firmware is always loaded if required */ |
| 472 | state->skip_fw_load = 0; |
| 473 | } |
| 474 | |
| 475 | return ret; |
| 476 | } |
| 477 | |
| 478 | /* Take a basic firmware command structure, format it and forward it for processing */ |
| 479 | static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd) |
| 480 | { |
| 481 | struct cx24116_state *state = fe->demodulator_priv; |
| 482 | int i, ret; |
| 483 | |
| 484 | dprintk("%s()\n", __func__); |
| 485 | |
| 486 | /* Load the firmware if required */ |
| 487 | if ( (ret = cx24116_firmware_ondemand(fe)) != 0) |
| 488 | { |
| 489 | printk("%s(): Unable initialise the firmware\n", __func__); |
| 490 | return ret; |
| 491 | } |
| 492 | |
| 493 | /* Write the command */ |
| 494 | for(i = 0; i < cmd->len ; i++) |
| 495 | { |
| 496 | dprintk("%s: 0x%02x == 0x%02x\n", __func__, i, cmd->args[i]); |
| 497 | cx24116_writereg(state, i, cmd->args[i]); |
| 498 | } |
| 499 | |
| 500 | /* Start execution and wait for cmd to terminate */ |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 501 | cx24116_writereg(state, CX24116_REG_EXECUTE, 0x01); |
| 502 | while( cx24116_readreg(state, CX24116_REG_EXECUTE) ) |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 503 | { |
| 504 | msleep(10); |
| 505 | if(i++ > 64) |
| 506 | { |
| 507 | /* Avoid looping forever if the firmware does no respond */ |
| 508 | printk("%s() Firmware not responding\n", __func__); |
| 509 | return -EREMOTEIO; |
| 510 | } |
| 511 | } |
| 512 | return 0; |
| 513 | } |
| 514 | |
| 515 | static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw) |
| 516 | { |
| 517 | struct cx24116_state* state = fe->demodulator_priv; |
| 518 | struct cx24116_cmd cmd; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 519 | int i, ret; |
| 520 | unsigned char vers[4]; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 521 | |
| 522 | dprintk("%s\n", __func__); |
| 523 | dprintk("Firmware is %zu bytes (%02x %02x .. %02x %02x)\n" |
| 524 | ,fw->size |
| 525 | ,fw->data[0] |
| 526 | ,fw->data[1] |
| 527 | ,fw->data[ fw->size-2 ] |
| 528 | ,fw->data[ fw->size-1 ] |
| 529 | ); |
| 530 | |
| 531 | /* Toggle 88x SRST pin to reset demod */ |
| 532 | if (state->config->reset_device) |
| 533 | state->config->reset_device(fe); |
| 534 | |
| 535 | /* Begin the firmware load process */ |
| 536 | /* Prepare the demod, load the firmware, cleanup after load */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 537 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 538 | /* Init PLL */ |
| 539 | cx24116_writereg(state, 0xE5, 0x00); |
| 540 | cx24116_writereg(state, 0xF1, 0x08); |
| 541 | cx24116_writereg(state, 0xF2, 0x13); |
| 542 | |
| 543 | /* Start PLL */ |
| 544 | cx24116_writereg(state, 0xe0, 0x03); |
| 545 | cx24116_writereg(state, 0xe0, 0x00); |
| 546 | |
| 547 | /* Unknown */ |
| 548 | cx24116_writereg(state, CX24116_REG_CLKDIV, 0x46); |
| 549 | cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00); |
| 550 | |
| 551 | /* Unknown */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 552 | cx24116_writereg(state, 0xF0, 0x03); |
| 553 | cx24116_writereg(state, 0xF4, 0x81); |
| 554 | cx24116_writereg(state, 0xF5, 0x00); |
| 555 | cx24116_writereg(state, 0xF6, 0x00); |
| 556 | |
| 557 | /* write the entire firmware as one transaction */ |
| 558 | cx24116_writeregN(state, 0xF7, fw->data, fw->size); |
| 559 | |
| 560 | cx24116_writereg(state, 0xF4, 0x10); |
| 561 | cx24116_writereg(state, 0xF0, 0x00); |
| 562 | cx24116_writereg(state, 0xF8, 0x06); |
| 563 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 564 | /* Firmware CMD 10: VCO config */ |
| 565 | cmd.args[0x00] = CMD_SET_VCO; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 566 | cmd.args[0x01] = 0x05; |
| 567 | cmd.args[0x02] = 0xdc; |
| 568 | cmd.args[0x03] = 0xda; |
| 569 | cmd.args[0x04] = 0xae; |
| 570 | cmd.args[0x05] = 0xaa; |
| 571 | cmd.args[0x06] = 0x04; |
| 572 | cmd.args[0x07] = 0x9d; |
| 573 | cmd.args[0x08] = 0xfc; |
| 574 | cmd.args[0x09] = 0x06; |
| 575 | cmd.len= 0x0a; |
| 576 | ret = cx24116_cmd_execute(fe, &cmd); |
| 577 | if (ret != 0) |
| 578 | return ret; |
| 579 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 580 | cx24116_writereg(state, CX24116_REG_SSTATUS, 0x00); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 581 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 582 | /* Firmware CMD 14: Tuner config */ |
| 583 | cmd.args[0x00] = CMD_TUNERINIT; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 584 | cmd.args[0x01] = 0x00; |
| 585 | cmd.args[0x02] = 0x00; |
| 586 | cmd.len= 0x03; |
| 587 | ret = cx24116_cmd_execute(fe, &cmd); |
| 588 | if (ret != 0) |
| 589 | return ret; |
| 590 | |
| 591 | cx24116_writereg(state, 0xe5, 0x00); |
| 592 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 593 | /* Firmware CMD 13: MPEG config */ |
| 594 | cmd.args[0x00] = CMD_MPEGCONFIG; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 595 | cmd.args[0x01] = 0x01; |
| 596 | cmd.args[0x02] = 0x75; |
| 597 | cmd.args[0x03] = 0x00; |
Igor M. Liplianin | cc8c4f3 | 2008-09-09 13:57:47 -0300 | [diff] [blame] | 598 | if (state->config->mpg_clk_pos_pol) |
| 599 | cmd.args[0x04] = state->config->mpg_clk_pos_pol; |
| 600 | else |
| 601 | cmd.args[0x04] = 0x02; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 602 | cmd.args[0x05] = 0x00; |
| 603 | cmd.len= 0x06; |
| 604 | ret = cx24116_cmd_execute(fe, &cmd); |
| 605 | if (ret != 0) |
| 606 | return ret; |
| 607 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 608 | /* Firmware CMD 35: Get firmware version */ |
| 609 | cmd.args[0x00] = CMD_UPDFWVERS; |
| 610 | cmd.len= 0x02; |
| 611 | for(i=0; i<4; i++) { |
| 612 | cmd.args[0x01] = i; |
| 613 | ret = cx24116_cmd_execute(fe, &cmd); |
| 614 | if (ret != 0) |
| 615 | return ret; |
| 616 | vers[i]= cx24116_readreg(state, CX24116_REG_MAILBOX); |
| 617 | } |
| 618 | printk("%s: FW version %i.%i.%i.%i\n", __func__, |
| 619 | vers[0], vers[1], vers[2], vers[3]); |
| 620 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 621 | return 0; |
| 622 | } |
| 623 | |
| 624 | static int cx24116_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage) |
| 625 | { |
| 626 | /* The isl6421 module will override this function in the fops. */ |
| 627 | dprintk("%s() This should never appear if the isl6421 module is loaded correctly\n",__func__); |
| 628 | |
| 629 | return -EOPNOTSUPP; |
| 630 | } |
| 631 | |
| 632 | static int cx24116_read_status(struct dvb_frontend* fe, fe_status_t* status) |
| 633 | { |
| 634 | struct cx24116_state *state = fe->demodulator_priv; |
| 635 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 636 | int lock = cx24116_readreg(state, CX24116_REG_SSTATUS); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 637 | |
| 638 | dprintk("%s: status = 0x%02x\n", __func__, lock); |
| 639 | |
| 640 | *status = 0; |
| 641 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 642 | if (lock & CX24116_HAS_SIGNAL) |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 643 | *status |= FE_HAS_SIGNAL; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 644 | if (lock & CX24116_HAS_CARRIER) |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 645 | *status |= FE_HAS_CARRIER; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 646 | if (lock & CX24116_HAS_VITERBI) |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 647 | *status |= FE_HAS_VITERBI; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 648 | if (lock & CX24116_HAS_SYNCLOCK) |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 649 | *status |= FE_HAS_SYNC | FE_HAS_LOCK; |
| 650 | |
| 651 | return 0; |
| 652 | } |
| 653 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 654 | static int cx24116_read_ber(struct dvb_frontend* fe, u32* ber) |
| 655 | { |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 656 | struct cx24116_state *state = fe->demodulator_priv; |
| 657 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 658 | dprintk("%s()\n", __func__); |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 659 | |
| 660 | *ber = ( cx24116_readreg(state, CX24116_REG_BER24) << 24 ) | |
| 661 | ( cx24116_readreg(state, CX24116_REG_BER16) << 16 ) | |
| 662 | ( cx24116_readreg(state, CX24116_REG_BER8 ) << 8 ) | |
| 663 | cx24116_readreg(state, CX24116_REG_BER0 ); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 664 | |
| 665 | return 0; |
| 666 | } |
| 667 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 668 | /* TODO Determine function and scale appropriately */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 669 | static int cx24116_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength) |
| 670 | { |
| 671 | struct cx24116_state *state = fe->demodulator_priv; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 672 | struct cx24116_cmd cmd; |
| 673 | int ret; |
| 674 | u16 sig_reading; |
| 675 | |
| 676 | dprintk("%s()\n", __func__); |
| 677 | |
| 678 | /* Firmware CMD 19: Get AGC */ |
| 679 | cmd.args[0x00] = CMD_GETAGC; |
| 680 | cmd.len= 0x01; |
| 681 | ret = cx24116_cmd_execute(fe, &cmd); |
| 682 | if (ret != 0) |
| 683 | return ret; |
| 684 | |
| 685 | sig_reading = ( cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK ) | |
| 686 | ( cx24116_readreg(state, CX24116_REG_SIGNAL) << 6 ); |
| 687 | *signal_strength= 0 - sig_reading; |
| 688 | |
| 689 | dprintk("%s: raw / cooked = 0x%04x / 0x%04x\n", __func__, sig_reading, *signal_strength); |
| 690 | |
| 691 | return 0; |
| 692 | } |
| 693 | |
| 694 | /* SNR (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */ |
| 695 | static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr) |
| 696 | { |
| 697 | struct cx24116_state *state = fe->demodulator_priv; |
| 698 | u8 snr_reading; |
| 699 | static const u32 snr_tab[] = { /* 10 x Table (rounded up) */ |
| 700 | 0x00000,0x0199A,0x03333,0x04ccD,0x06667, |
| 701 | 0x08000,0x0999A,0x0b333,0x0cccD,0x0e667, |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 702 | 0x10000,0x1199A,0x13333,0x14ccD,0x16667,0x18000 }; |
| 703 | |
| 704 | dprintk("%s()\n", __func__); |
| 705 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 706 | snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 707 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 708 | if(snr_reading >= 0xa0 /* 100% */) |
| 709 | *snr = 0xffff; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 710 | else |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 711 | *snr = snr_tab [ ( snr_reading & 0xf0 ) >> 4 ] + |
| 712 | ( snr_tab [ ( snr_reading & 0x0f ) ] >> 4 ); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 713 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 714 | dprintk("%s: raw / cooked = 0x%02x / 0x%04x\n", __func__, |
| 715 | snr_reading, *snr); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 716 | |
| 717 | return 0; |
| 718 | } |
| 719 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 720 | static int cx24116_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) |
| 721 | { |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 722 | struct cx24116_state *state = fe->demodulator_priv; |
| 723 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 724 | dprintk("%s()\n", __func__); |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 725 | |
| 726 | *ucblocks = ( cx24116_readreg(state, CX24116_REG_UCB8) << 8 ) | |
| 727 | cx24116_readreg(state, CX24116_REG_UCB0); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 728 | |
| 729 | return 0; |
| 730 | } |
| 731 | |
| 732 | /* Overwrite the current tuning params, we are about to tune */ |
| 733 | static void cx24116_clone_params(struct dvb_frontend* fe) |
| 734 | { |
| 735 | struct cx24116_state *state = fe->demodulator_priv; |
| 736 | memcpy(&state->dcur, &state->dnxt, sizeof(state->dcur)); |
| 737 | } |
| 738 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 739 | /* Wait for LNB */ |
| 740 | static int cx24116_wait_for_lnb(struct dvb_frontend* fe) |
| 741 | { |
| 742 | struct cx24116_state *state = fe->demodulator_priv; |
| 743 | int i; |
| 744 | |
| 745 | dprintk("%s() qstatus = 0x%02x\n", __func__, |
| 746 | cx24116_readreg(state, CX24116_REG_QSTATUS)); |
| 747 | |
| 748 | /* Wait for up to 300 ms */ |
| 749 | for(i = 0; i < 30 ; i++) { |
| 750 | if (cx24116_readreg(state, CX24116_REG_QSTATUS) & 0x20) |
| 751 | return 0; |
| 752 | msleep(10); |
| 753 | } |
| 754 | |
| 755 | dprintk("%s(): LNB not ready\n", __func__); |
| 756 | |
| 757 | return -ETIMEDOUT; /* -EBUSY ? */ |
| 758 | } |
| 759 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 760 | static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) |
| 761 | { |
| 762 | struct cx24116_cmd cmd; |
| 763 | int ret; |
| 764 | |
| 765 | dprintk("%s(%d)\n", __func__, tone); |
| 766 | if ( (tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF) ) { |
| 767 | printk("%s: Invalid, tone=%d\n", __func__, tone); |
| 768 | return -EINVAL; |
| 769 | } |
| 770 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 771 | /* Wait for LNB ready */ |
| 772 | ret = cx24116_wait_for_lnb(fe); |
| 773 | if(ret != 0) |
| 774 | return ret; |
| 775 | |
| 776 | /* Min delay time after DiSEqC send */ |
| 777 | msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */ |
| 778 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 779 | /* This is always done before the tone is set */ |
| 780 | cmd.args[0x00] = CMD_SET_TONEPRE; |
| 781 | cmd.args[0x01] = 0x00; |
| 782 | cmd.len= 0x02; |
| 783 | ret = cx24116_cmd_execute(fe, &cmd); |
| 784 | if (ret != 0) |
| 785 | return ret; |
| 786 | |
| 787 | /* Now we set the tone */ |
| 788 | cmd.args[0x00] = CMD_SET_TONE; |
| 789 | cmd.args[0x01] = 0x00; |
| 790 | cmd.args[0x02] = 0x00; |
| 791 | |
| 792 | switch (tone) { |
| 793 | case SEC_TONE_ON: |
| 794 | dprintk("%s: setting tone on\n", __func__); |
| 795 | cmd.args[0x03] = 0x01; |
| 796 | break; |
| 797 | case SEC_TONE_OFF: |
| 798 | dprintk("%s: setting tone off\n",__func__); |
| 799 | cmd.args[0x03] = 0x00; |
| 800 | break; |
| 801 | } |
| 802 | cmd.len= 0x04; |
| 803 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 804 | /* Min delay time before DiSEqC send */ |
| 805 | msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */ |
| 806 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 807 | return cx24116_cmd_execute(fe, &cmd); |
| 808 | } |
| 809 | |
| 810 | /* Initialise DiSEqC */ |
| 811 | static int cx24116_diseqc_init(struct dvb_frontend* fe) |
| 812 | { |
| 813 | struct cx24116_state *state = fe->demodulator_priv; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 814 | struct cx24116_cmd cmd; |
| 815 | int ret; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 816 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 817 | /* Firmware CMD 20: LNB/DiSEqC config */ |
| 818 | cmd.args[0x00] = CMD_LNBCONFIG; |
| 819 | cmd.args[0x01] = 0x00; |
| 820 | cmd.args[0x02] = 0x10; |
| 821 | cmd.args[0x03] = 0x00; |
| 822 | cmd.args[0x04] = 0x8f; |
| 823 | cmd.args[0x05] = 0x28; |
| 824 | cmd.args[0x06] = (toneburst == CX24116_DISEQC_TONEOFF) ? 0x00 : 0x01; |
| 825 | cmd.args[0x07] = 0x01; |
| 826 | cmd.len= 0x08; |
| 827 | ret = cx24116_cmd_execute(fe, &cmd); |
| 828 | if (ret != 0) |
| 829 | return ret; |
| 830 | |
| 831 | /* Prepare a DiSEqC command */ |
| 832 | state->dsec_cmd.args[0x00] = CMD_LNBSEND; |
| 833 | |
| 834 | /* DiSEqC burst */ |
| 835 | state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A; |
| 836 | |
| 837 | /* Unknown */ |
| 838 | state->dsec_cmd.args[CX24116_DISEQC_ARG2_2] = 0x02; |
| 839 | state->dsec_cmd.args[CX24116_DISEQC_ARG3_0] = 0x00; |
| 840 | state->dsec_cmd.args[CX24116_DISEQC_ARG4_0] = 0x00; /* Continuation flag? */ |
| 841 | |
| 842 | /* DiSEqC message length */ |
| 843 | state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = 0x00; |
| 844 | |
| 845 | /* Command length */ |
| 846 | state->dsec_cmd.len= CX24116_DISEQC_MSGOFS; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 847 | |
| 848 | return 0; |
| 849 | } |
| 850 | |
| 851 | /* Send DiSEqC message with derived burst (hack) || previous burst */ |
| 852 | static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *d) |
| 853 | { |
| 854 | struct cx24116_state *state = fe->demodulator_priv; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 855 | int i, ret; |
| 856 | |
| 857 | /* Dump DiSEqC message */ |
| 858 | if (debug) { |
| 859 | printk("cx24116: %s(", __func__); |
| 860 | for(i = 0 ; i < d->msg_len ;) { |
| 861 | printk("0x%02x", d->msg[i]); |
| 862 | if(++i < d->msg_len) |
| 863 | printk(", "); |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 864 | } |
| 865 | printk(") toneburst=%d\n", toneburst); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 866 | } |
| 867 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 868 | /* Validate length */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 869 | if(d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS)) |
| 870 | return -EINVAL; |
| 871 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 872 | /* DiSEqC message */ |
| 873 | for (i = 0; i < d->msg_len; i++) |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 874 | state->dsec_cmd.args[CX24116_DISEQC_MSGOFS + i] = d->msg[i]; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 875 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 876 | /* DiSEqC message length */ |
| 877 | state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = d->msg_len; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 878 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 879 | /* Command length */ |
| 880 | state->dsec_cmd.len= CX24116_DISEQC_MSGOFS + state->dsec_cmd.args[CX24116_DISEQC_MSGLEN]; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 881 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 882 | /* DiSEqC toneburst */ |
| 883 | if(toneburst == CX24116_DISEQC_MESGCACHE) |
| 884 | /* Message is cached */ |
| 885 | return 0; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 886 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 887 | else if(toneburst == CX24116_DISEQC_TONEOFF) |
| 888 | /* Message is sent without burst */ |
| 889 | state->dsec_cmd.args[CX24116_DISEQC_BURST] = 0; |
| 890 | |
| 891 | else if(toneburst == CX24116_DISEQC_TONECACHE) { |
| 892 | /* |
| 893 | * Message is sent with derived else cached burst |
| 894 | * |
| 895 | * WRITE PORT GROUP COMMAND 38 |
| 896 | * |
| 897 | * 0/A/A: E0 10 38 F0..F3 |
| 898 | * 1/B/B: E0 10 38 F4..F7 |
| 899 | * 2/C/A: E0 10 38 F8..FB |
| 900 | * 3/D/B: E0 10 38 FC..FF |
| 901 | * |
Darron Broad | 7396d3e | 2008-09-14 10:45:58 -0300 | [diff] [blame^] | 902 | * databyte[3]= 8421:8421 |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 903 | * ABCD:WXYZ |
| 904 | * CLR :SET |
| 905 | * |
| 906 | * WX= PORT SELECT 0..3 (X=TONEBURST) |
| 907 | * Y = VOLTAGE (0=13V, 1=18V) |
| 908 | * Z = BAND (0=LOW, 1=HIGH(22K)) |
| 909 | */ |
| 910 | if(d->msg_len >= 4 && d->msg[2] == 0x38) |
| 911 | state->dsec_cmd.args[CX24116_DISEQC_BURST] = ((d->msg[3] & 4) >> 2); |
| 912 | if(debug) |
| 913 | dprintk("%s burst=%d\n", __func__, state->dsec_cmd.args[CX24116_DISEQC_BURST]); |
| 914 | } |
| 915 | |
| 916 | /* Wait for LNB ready */ |
| 917 | ret = cx24116_wait_for_lnb(fe); |
| 918 | if(ret != 0) |
| 919 | return ret; |
| 920 | |
| 921 | /* Wait for voltage/min repeat delay */ |
| 922 | msleep(100); |
| 923 | |
| 924 | /* Command */ |
| 925 | ret = cx24116_cmd_execute(fe, &state->dsec_cmd); |
| 926 | if(ret != 0) |
| 927 | return ret; |
| 928 | /* |
| 929 | * Wait for send |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 930 | * |
| 931 | * Eutelsat spec: |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 932 | * >15ms delay + (XXX determine if FW does this, see set_tone) |
| 933 | * 13.5ms per byte + |
| 934 | * >15ms delay + |
| 935 | * 12.5ms burst + |
| 936 | * >15ms delay (XXX determine if FW does this, see set_tone) |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 937 | */ |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 938 | msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + ((toneburst == CX24116_DISEQC_TONEOFF) ? 30 : 60) ); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 939 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 940 | return 0; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 941 | } |
| 942 | |
| 943 | /* Send DiSEqC burst */ |
| 944 | static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) |
| 945 | { |
| 946 | struct cx24116_state *state = fe->demodulator_priv; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 947 | int ret; |
| 948 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 949 | dprintk("%s(%d) toneburst=%d\n",__func__, burst, toneburst); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 950 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 951 | /* DiSEqC burst */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 952 | if (burst == SEC_MINI_A) |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 953 | state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 954 | else if(burst == SEC_MINI_B) |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 955 | state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_B; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 956 | else |
| 957 | return -EINVAL; |
| 958 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 959 | /* DiSEqC toneburst */ |
| 960 | if(toneburst != CX24116_DISEQC_MESGCACHE) |
| 961 | /* Burst is cached */ |
| 962 | return 0; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 963 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 964 | /* Burst is to be sent with cached message */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 965 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 966 | /* Wait for LNB ready */ |
| 967 | ret = cx24116_wait_for_lnb(fe); |
| 968 | if(ret != 0) |
| 969 | return ret; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 970 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 971 | /* Wait for voltage/min repeat delay */ |
| 972 | msleep(100); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 973 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 974 | /* Command */ |
| 975 | ret = cx24116_cmd_execute(fe, &state->dsec_cmd); |
| 976 | if(ret != 0) |
| 977 | return ret; |
| 978 | |
| 979 | /* |
| 980 | * Wait for send |
| 981 | * |
| 982 | * Eutelsat spec: |
| 983 | * >15ms delay + (XXX determine if FW does this, see set_tone) |
| 984 | * 13.5ms per byte + |
| 985 | * >15ms delay + |
| 986 | * 12.5ms burst + |
| 987 | * >15ms delay (XXX determine if FW does this, see set_tone) |
| 988 | */ |
| 989 | msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60 ); |
| 990 | |
| 991 | return 0; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 992 | } |
| 993 | |
| 994 | static void cx24116_release(struct dvb_frontend* fe) |
| 995 | { |
| 996 | struct cx24116_state* state = fe->demodulator_priv; |
| 997 | dprintk("%s\n",__func__); |
| 998 | kfree(state); |
| 999 | } |
| 1000 | |
| 1001 | static struct dvb_frontend_ops cx24116_ops; |
| 1002 | |
| 1003 | struct dvb_frontend* cx24116_attach(const struct cx24116_config* config, |
| 1004 | struct i2c_adapter* i2c) |
| 1005 | { |
| 1006 | struct cx24116_state* state = NULL; |
| 1007 | int ret; |
| 1008 | |
| 1009 | dprintk("%s\n",__func__); |
| 1010 | |
| 1011 | /* allocate memory for the internal state */ |
| 1012 | state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL); |
| 1013 | if (state == NULL) { |
| 1014 | printk("Unable to kmalloc\n"); |
Darron Broad | 7396d3e | 2008-09-14 10:45:58 -0300 | [diff] [blame^] | 1015 | goto error1; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1016 | } |
| 1017 | |
| 1018 | /* setup the state */ |
| 1019 | memset(state, 0, sizeof(struct cx24116_state)); |
| 1020 | |
| 1021 | state->config = config; |
| 1022 | state->i2c = i2c; |
| 1023 | |
| 1024 | /* check if the demod is present */ |
| 1025 | ret = (cx24116_readreg(state, 0xFF) << 8) | cx24116_readreg(state, 0xFE); |
| 1026 | if (ret != 0x0501) { |
| 1027 | printk("Invalid probe, probably not a CX24116 device\n"); |
Darron Broad | 7396d3e | 2008-09-14 10:45:58 -0300 | [diff] [blame^] | 1028 | goto error2; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1029 | } |
| 1030 | |
| 1031 | /* create dvb_frontend */ |
| 1032 | memcpy(&state->frontend.ops, &cx24116_ops, sizeof(struct dvb_frontend_ops)); |
| 1033 | state->frontend.demodulator_priv = state; |
| 1034 | return &state->frontend; |
| 1035 | |
Darron Broad | 7396d3e | 2008-09-14 10:45:58 -0300 | [diff] [blame^] | 1036 | error2: kfree(state); |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1037 | error1: return NULL; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1038 | } |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1039 | /* |
| 1040 | * Initialise or wake up device |
| 1041 | * |
| 1042 | * Power config will reset and load initial firmware if required |
| 1043 | */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1044 | static int cx24116_initfe(struct dvb_frontend* fe) |
| 1045 | { |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1046 | struct cx24116_state* state = fe->demodulator_priv; |
| 1047 | struct cx24116_cmd cmd; |
| 1048 | int ret; |
| 1049 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1050 | dprintk("%s()\n",__func__); |
| 1051 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1052 | /* Power on */ |
| 1053 | cx24116_writereg(state, 0xe0, 0); |
| 1054 | cx24116_writereg(state, 0xe1, 0); |
| 1055 | cx24116_writereg(state, 0xea, 0); |
| 1056 | |
| 1057 | /* Firmware CMD 36: Power config */ |
| 1058 | cmd.args[0x00] = CMD_TUNERSLEEP; |
| 1059 | cmd.args[0x01] = 0; |
| 1060 | cmd.len= 0x02; |
| 1061 | ret = cx24116_cmd_execute(fe, &cmd); |
| 1062 | if(ret != 0) |
| 1063 | return ret; |
| 1064 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1065 | return cx24116_diseqc_init(fe); |
| 1066 | } |
| 1067 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1068 | /* |
| 1069 | * Put device to sleep |
| 1070 | */ |
| 1071 | static int cx24116_sleep(struct dvb_frontend* fe) |
| 1072 | { |
| 1073 | struct cx24116_state* state = fe->demodulator_priv; |
| 1074 | struct cx24116_cmd cmd; |
| 1075 | int ret; |
| 1076 | |
| 1077 | dprintk("%s()\n",__func__); |
| 1078 | |
| 1079 | /* Firmware CMD 36: Power config */ |
| 1080 | cmd.args[0x00] = CMD_TUNERSLEEP; |
| 1081 | cmd.args[0x01] = 1; |
| 1082 | cmd.len= 0x02; |
| 1083 | ret = cx24116_cmd_execute(fe, &cmd); |
| 1084 | if(ret != 0) |
| 1085 | return ret; |
| 1086 | |
| 1087 | /* Power off (Shutdown clocks) */ |
| 1088 | cx24116_writereg(state, 0xea, 0xff); |
| 1089 | cx24116_writereg(state, 0xe1, 1); |
| 1090 | cx24116_writereg(state, 0xe0, 1); |
| 1091 | |
| 1092 | return 0; |
| 1093 | } |
| 1094 | |
Steven Toth | e7fee0f3 | 2008-09-11 10:23:01 -0300 | [diff] [blame] | 1095 | static int cx24116_set_property(struct dvb_frontend *fe, struct dtv_property* tvp) |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1096 | { |
| 1097 | dprintk("%s(..)\n", __func__); |
| 1098 | return 0; |
| 1099 | } |
| 1100 | |
Steven Toth | bfbf2da | 2008-09-12 01:37:37 -0300 | [diff] [blame] | 1101 | static int cx24116_get_property(struct dvb_frontend *fe, struct dtv_property* tvp) |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1102 | { |
Steven Toth | bfbf2da | 2008-09-12 01:37:37 -0300 | [diff] [blame] | 1103 | dprintk("%s(..)\n", __func__); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1104 | return 0; |
| 1105 | } |
| 1106 | |
| 1107 | /* dvb-core told us to tune, the tv property cache will be complete, |
| 1108 | * it's safe for is to pull values and use them for tuning purposes. |
| 1109 | */ |
| 1110 | static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) |
| 1111 | { |
| 1112 | struct cx24116_state *state = fe->demodulator_priv; |
Steven Toth | 56f0680 | 2008-09-11 10:19:27 -0300 | [diff] [blame] | 1113 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1114 | struct cx24116_cmd cmd; |
| 1115 | fe_status_t tunerstat; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1116 | int i, status, ret, retune = 1; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1117 | |
| 1118 | dprintk("%s()\n",__func__); |
| 1119 | |
| 1120 | state->dnxt.modulation = c->modulation; |
| 1121 | state->dnxt.frequency = c->frequency; |
| 1122 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1123 | switch(c->delivery_system) { |
| 1124 | case SYS_DVBS: |
| 1125 | dprintk("%s: DVB-S delivery system selected\n",__func__); |
| 1126 | state->dnxt.pilot = PILOT_OFF; |
Darron Broad | 7396d3e | 2008-09-14 10:45:58 -0300 | [diff] [blame^] | 1127 | state->dnxt.rolloff_val = CX24116_ROLLOFF_035; |
| 1128 | state->dnxt.rolloff = c->rolloff; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1129 | break; |
| 1130 | case SYS_DVBS2: |
| 1131 | dprintk("%s: DVB-S2 delivery system selected\n",__func__); |
| 1132 | if(c->pilot == PILOT_AUTO) |
| 1133 | retune++; |
| 1134 | state->dnxt.pilot = c->pilot; |
| 1135 | switch(c->rolloff) { |
| 1136 | case ROLLOFF_20: |
| 1137 | state->dnxt.rolloff_val= CX24116_ROLLOFF_020; |
| 1138 | break; |
| 1139 | case ROLLOFF_25: |
| 1140 | state->dnxt.rolloff_val= CX24116_ROLLOFF_025; |
| 1141 | break; |
| 1142 | case ROLLOFF_35: |
| 1143 | state->dnxt.rolloff_val= CX24116_ROLLOFF_035; |
| 1144 | break; |
| 1145 | case ROLLOFF_AUTO: |
| 1146 | return -EOPNOTSUPP; |
| 1147 | } |
| 1148 | state->dnxt.rolloff = c->rolloff; |
| 1149 | break; |
| 1150 | default: |
| 1151 | dprintk("%s: unsupported delivery system selected (%d)\n", |
| 1152 | __func__, c->delivery_system); |
| 1153 | return -EOPNOTSUPP; |
| 1154 | } |
| 1155 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1156 | if ((ret = cx24116_set_inversion(state, c->inversion)) != 0) |
| 1157 | return ret; |
| 1158 | |
| 1159 | if ((ret = cx24116_set_fec(state, c->modulation, c->fec_inner)) != 0) |
| 1160 | return ret; |
| 1161 | |
| 1162 | if ((ret = cx24116_set_symbolrate(state, c->symbol_rate)) != 0) |
| 1163 | return ret; |
| 1164 | |
| 1165 | /* discard the 'current' tuning parameters and prepare to tune */ |
| 1166 | cx24116_clone_params(fe); |
| 1167 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1168 | dprintk("%s: retune = %d\n", __func__, retune); |
| 1169 | dprintk("%s: rolloff = %d\n", __func__, state->dcur.rolloff); |
| 1170 | dprintk("%s: pilot = %d\n", __func__, state->dcur.pilot); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1171 | dprintk("%s: frequency = %d\n", __func__, state->dcur.frequency); |
| 1172 | dprintk("%s: symbol_rate = %d\n", __func__, state->dcur.symbol_rate); |
| 1173 | dprintk("%s: FEC = %d (mask/val = 0x%02x/0x%02x)\n", __func__, |
| 1174 | state->dcur.fec, state->dcur.fec_mask, state->dcur.fec_val); |
| 1175 | dprintk("%s: Inversion = %d (val = 0x%02x)\n", __func__, |
| 1176 | state->dcur.inversion, state->dcur.inversion_val); |
| 1177 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1178 | /* This is also done in advise/acquire on HVR4000 but not on LITE */ |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1179 | if (state->config->set_ts_params) |
| 1180 | state->config->set_ts_params(fe, 0); |
| 1181 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1182 | /* Set/Reset B/W */ |
| 1183 | cmd.args[0x00] = CMD_BANDWIDTH; |
| 1184 | cmd.args[0x01] = 0x01; |
| 1185 | cmd.len= 0x02; |
| 1186 | ret = cx24116_cmd_execute(fe, &cmd); |
| 1187 | if (ret != 0) |
| 1188 | return ret; |
Igor M. Liplianin | 3f8e51a | 2008-09-09 13:22:29 -0300 | [diff] [blame] | 1189 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1190 | /* Prepare a tune request */ |
| 1191 | cmd.args[0x00] = CMD_TUNEREQUEST; |
| 1192 | |
| 1193 | /* Frequency */ |
| 1194 | cmd.args[0x01] = (state->dcur.frequency & 0xff0000) >> 16; |
| 1195 | cmd.args[0x02] = (state->dcur.frequency & 0x00ff00) >> 8; |
| 1196 | cmd.args[0x03] = (state->dcur.frequency & 0x0000ff); |
| 1197 | |
| 1198 | /* Symbol Rate */ |
| 1199 | cmd.args[0x04] = ((state->dcur.symbol_rate / 1000) & 0xff00) >> 8; |
| 1200 | cmd.args[0x05] = ((state->dcur.symbol_rate / 1000) & 0x00ff); |
| 1201 | |
| 1202 | /* Automatic Inversion */ |
| 1203 | cmd.args[0x06] = state->dcur.inversion_val; |
| 1204 | |
| 1205 | /* Modulation / FEC & Pilot Off */ |
| 1206 | cmd.args[0x07] = state->dcur.fec_val; |
| 1207 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1208 | if (state->dcur.pilot == PILOT_ON) |
| 1209 | cmd.args[0x07] |= CX24116_PILOT; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1210 | |
| 1211 | cmd.args[0x08] = CX24116_SEARCH_RANGE_KHZ >> 8; |
| 1212 | cmd.args[0x09] = CX24116_SEARCH_RANGE_KHZ & 0xff; |
| 1213 | cmd.args[0x0a] = 0x00; |
| 1214 | cmd.args[0x0b] = 0x00; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1215 | cmd.args[0x0c] = state->dcur.rolloff_val; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1216 | cmd.args[0x0d] = state->dcur.fec_mask; |
Igor M. Liplianin | 3f8e51a | 2008-09-09 13:22:29 -0300 | [diff] [blame] | 1217 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1218 | if (state->dcur.symbol_rate > 30000000) { |
Igor M. Liplianin | 3f8e51a | 2008-09-09 13:22:29 -0300 | [diff] [blame] | 1219 | cmd.args[0x0e] = 0x04; |
| 1220 | cmd.args[0x0f] = 0x00; |
| 1221 | cmd.args[0x10] = 0x01; |
| 1222 | cmd.args[0x11] = 0x77; |
| 1223 | cmd.args[0x12] = 0x36; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1224 | cx24116_writereg(state, CX24116_REG_CLKDIV, 0x44); |
| 1225 | cx24116_writereg(state, CX24116_REG_RATEDIV, 0x01); |
Igor M. Liplianin | 3f8e51a | 2008-09-09 13:22:29 -0300 | [diff] [blame] | 1226 | } else { |
| 1227 | cmd.args[0x0e] = 0x06; |
| 1228 | cmd.args[0x0f] = 0x00; |
| 1229 | cmd.args[0x10] = 0x00; |
| 1230 | cmd.args[0x11] = 0xFA; |
| 1231 | cmd.args[0x12] = 0x24; |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1232 | cx24116_writereg(state, CX24116_REG_CLKDIV, 0x46); |
| 1233 | cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00); |
Igor M. Liplianin | 3f8e51a | 2008-09-09 13:22:29 -0300 | [diff] [blame] | 1234 | } |
| 1235 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1236 | cmd.len= 0x13; |
| 1237 | |
| 1238 | /* We need to support pilot and non-pilot tuning in the |
| 1239 | * driver automatically. This is a workaround for because |
| 1240 | * the demod does not support autodetect. |
| 1241 | */ |
| 1242 | do { |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1243 | /* Reset status register */ |
| 1244 | status = cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK; |
| 1245 | cx24116_writereg(state, CX24116_REG_SSTATUS, status); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1246 | |
| 1247 | /* Tune */ |
| 1248 | ret = cx24116_cmd_execute(fe, &cmd); |
| 1249 | if( ret != 0 ) |
| 1250 | break; |
| 1251 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1252 | /* |
| 1253 | * Wait for up to 500 ms before retrying |
| 1254 | * |
| 1255 | * If we are able to tune then generally it occurs within 100ms. |
| 1256 | * If it takes longer, try a different toneburst setting. |
| 1257 | */ |
| 1258 | for(i = 0; i < 50 ; i++) { |
| 1259 | cx24116_read_status(fe, &tunerstat); |
| 1260 | status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC); |
| 1261 | if(status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) { |
| 1262 | dprintk("%s: Tuned\n",__func__); |
| 1263 | goto tuned; |
| 1264 | } |
| 1265 | msleep(10); |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1266 | } |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1267 | |
| 1268 | dprintk("%s: Not tuned\n",__func__); |
| 1269 | |
| 1270 | /* Toggle pilot bit when in auto-pilot */ |
| 1271 | if(state->dcur.pilot == PILOT_AUTO) |
| 1272 | cmd.args[0x07] ^= CX24116_PILOT; |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1273 | } |
| 1274 | while(--retune); |
| 1275 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1276 | tuned: /* Set/Reset B/W */ |
| 1277 | cmd.args[0x00] = CMD_BANDWIDTH; |
| 1278 | cmd.args[0x01] = 0x00; |
| 1279 | cmd.len= 0x02; |
| 1280 | ret = cx24116_cmd_execute(fe, &cmd); |
| 1281 | if (ret != 0) |
| 1282 | return ret; |
| 1283 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1284 | return ret; |
| 1285 | } |
| 1286 | |
| 1287 | static struct dvb_frontend_ops cx24116_ops = { |
| 1288 | |
| 1289 | .info = { |
| 1290 | .name = "Conexant CX24116/CX24118", |
| 1291 | .type = FE_QPSK, |
| 1292 | .frequency_min = 950000, |
| 1293 | .frequency_max = 2150000, |
| 1294 | .frequency_stepsize = 1011, /* kHz for QPSK frontends */ |
| 1295 | .frequency_tolerance = 5000, |
| 1296 | .symbol_rate_min = 1000000, |
| 1297 | .symbol_rate_max = 45000000, |
| 1298 | .caps = FE_CAN_INVERSION_AUTO | |
| 1299 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | |
| 1300 | FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | |
| 1301 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | |
| 1302 | FE_CAN_QPSK | FE_CAN_RECOVER |
| 1303 | }, |
| 1304 | |
| 1305 | .release = cx24116_release, |
| 1306 | |
| 1307 | .init = cx24116_initfe, |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1308 | .sleep = cx24116_sleep, |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1309 | .read_status = cx24116_read_status, |
| 1310 | .read_ber = cx24116_read_ber, |
| 1311 | .read_signal_strength = cx24116_read_signal_strength, |
| 1312 | .read_snr = cx24116_read_snr, |
| 1313 | .read_ucblocks = cx24116_read_ucblocks, |
| 1314 | .set_tone = cx24116_set_tone, |
| 1315 | .set_voltage = cx24116_set_voltage, |
| 1316 | .diseqc_send_master_cmd = cx24116_send_diseqc_msg, |
| 1317 | .diseqc_send_burst = cx24116_diseqc_send_burst, |
| 1318 | |
| 1319 | .set_property = cx24116_set_property, |
Steven Toth | bfbf2da | 2008-09-12 01:37:37 -0300 | [diff] [blame] | 1320 | .get_property = cx24116_get_property, |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1321 | .set_frontend = cx24116_set_frontend, |
| 1322 | }; |
| 1323 | |
| 1324 | module_param(debug, int, 0644); |
| 1325 | MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)"); |
| 1326 | |
Darron Broad | 490c868 | 2008-09-13 19:42:16 -0300 | [diff] [blame] | 1327 | module_param(toneburst, int, 0644); |
| 1328 | MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)"); |
| 1329 | |
Steven Toth | 0d46748 | 2008-09-04 01:14:43 -0300 | [diff] [blame] | 1330 | MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware"); |
| 1331 | MODULE_AUTHOR("Steven Toth"); |
| 1332 | MODULE_LICENSE("GPL"); |
| 1333 | |
| 1334 | EXPORT_SYMBOL(cx24116_attach); |