Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | cx24110 - Single Chip Satellite Channel Receiver driver module |
| 3 | |
Johannes Stezenbach | a8d995c | 2005-09-09 13:02:19 -0700 | [diff] [blame] | 4 | Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | work |
| 6 | Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | |
| 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 | #include <linux/slab.h> |
| 26 | #include <linux/kernel.h> |
| 27 | #include <linux/module.h> |
| 28 | #include <linux/moduleparam.h> |
| 29 | #include <linux/init.h> |
| 30 | |
| 31 | #include "dvb_frontend.h" |
| 32 | #include "cx24110.h" |
| 33 | |
| 34 | |
| 35 | struct cx24110_state { |
| 36 | |
| 37 | struct i2c_adapter* i2c; |
| 38 | |
| 39 | struct dvb_frontend_ops ops; |
| 40 | |
| 41 | const struct cx24110_config* config; |
| 42 | |
| 43 | struct dvb_frontend frontend; |
| 44 | |
| 45 | u32 lastber; |
| 46 | u32 lastbler; |
| 47 | u32 lastesn0; |
| 48 | }; |
| 49 | |
| 50 | static int debug; |
| 51 | #define dprintk(args...) \ |
| 52 | do { \ |
| 53 | if (debug) printk(KERN_DEBUG "cx24110: " args); \ |
| 54 | } while (0) |
| 55 | |
| 56 | static struct {u8 reg; u8 data;} cx24110_regdata[]= |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 57 | /* Comments beginning with @ denote this value should |
Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 58 | be the default */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 59 | {{0x09,0x01}, /* SoftResetAll */ |
| 60 | {0x09,0x00}, /* release reset */ |
| 61 | {0x01,0xe8}, /* MSB of code rate 27.5MS/s */ |
| 62 | {0x02,0x17}, /* middle byte " */ |
| 63 | {0x03,0x29}, /* LSB " */ |
| 64 | {0x05,0x03}, /* @ DVB mode, standard code rate 3/4 */ |
| 65 | {0x06,0xa5}, /* @ PLL 60MHz */ |
| 66 | {0x07,0x01}, /* @ Fclk, i.e. sampling clock, 60MHz */ |
| 67 | {0x0a,0x00}, /* @ partial chip disables, do not set */ |
| 68 | {0x0b,0x01}, /* set output clock in gapped mode, start signal low |
Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 69 | active for first byte */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 70 | {0x0c,0x11}, /* no parity bytes, large hold time, serial data out */ |
| 71 | {0x0d,0x6f}, /* @ RS Sync/Unsync thresholds */ |
| 72 | {0x10,0x40}, /* chip doc is misleading here: write bit 6 as 1 |
Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 73 | to avoid starting the BER counter. Reset the |
| 74 | CRC test bit. Finite counting selected */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 75 | {0x15,0xff}, /* @ size of the limited time window for RS BER |
Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 76 | estimation. It is <value>*256 RS blocks, this |
| 77 | gives approx. 2.6 sec at 27.5MS/s, rate 3/4 */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 78 | {0x16,0x00}, /* @ enable all RS output ports */ |
| 79 | {0x17,0x04}, /* @ time window allowed for the RS to sync */ |
| 80 | {0x18,0xae}, /* @ allow all standard DVB code rates to be scanned |
Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 81 | for automatically */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 82 | /* leave the current code rate and normalization |
Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 83 | registers as they are after reset... */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 84 | {0x21,0x10}, /* @ during AutoAcq, search each viterbi setting |
Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 85 | only once */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 86 | {0x23,0x18}, /* @ size of the limited time window for Viterbi BER |
Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 87 | estimation. It is <value>*65536 channel bits, i.e. |
| 88 | approx. 38ms at 27.5MS/s, rate 3/4 */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 89 | {0x24,0x24}, /* do not trigger Viterbi CRC test. Finite count window */ |
| 90 | /* leave front-end AGC parameters at default values */ |
| 91 | /* leave decimation AGC parameters at default values */ |
| 92 | {0x35,0x40}, /* disable all interrupts. They are not connected anyway */ |
| 93 | {0x36,0xff}, /* clear all interrupt pending flags */ |
| 94 | {0x37,0x00}, /* @ fully enable AutoAcqq state machine */ |
| 95 | {0x38,0x07}, /* @ enable fade recovery, but not autostart AutoAcq */ |
| 96 | /* leave the equalizer parameters on their default values */ |
| 97 | /* leave the final AGC parameters on their default values */ |
| 98 | {0x41,0x00}, /* @ MSB of front-end derotator frequency */ |
| 99 | {0x42,0x00}, /* @ middle bytes " */ |
| 100 | {0x43,0x00}, /* @ LSB " */ |
| 101 | /* leave the carrier tracking loop parameters on default */ |
| 102 | /* leave the bit timing loop parameters at gefault */ |
| 103 | {0x56,0x4d}, /* set the filtune voltage to 2.7V, as recommended by */ |
| 104 | /* the cx24108 data sheet for symbol rates above 15MS/s */ |
| 105 | {0x57,0x00}, /* @ Filter sigma delta enabled, positive */ |
| 106 | {0x61,0x95}, /* GPIO pins 1-4 have special function */ |
| 107 | {0x62,0x05}, /* GPIO pin 5 has special function, pin 6 is GPIO */ |
| 108 | {0x63,0x00}, /* All GPIO pins use CMOS output characteristics */ |
| 109 | {0x64,0x20}, /* GPIO 6 is input, all others are outputs */ |
| 110 | {0x6d,0x30}, /* tuner auto mode clock freq 62kHz */ |
| 111 | {0x70,0x15}, /* use auto mode, tuner word is 21 bits long */ |
| 112 | {0x73,0x00}, /* @ disable several demod bypasses */ |
| 113 | {0x74,0x00}, /* @ " */ |
| 114 | {0x75,0x00} /* @ " */ |
| 115 | /* the remaining registers are for SEC */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | }; |
| 117 | |
| 118 | |
| 119 | static int cx24110_writereg (struct cx24110_state* state, int reg, int data) |
| 120 | { |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 121 | u8 buf [] = { reg, data }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 }; |
| 123 | int err; |
| 124 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 125 | if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | dprintk ("%s: writereg error (err == %i, reg == 0x%02x," |
| 127 | " data == 0x%02x)\n", __FUNCTION__, err, reg, data); |
| 128 | return -EREMOTEIO; |
| 129 | } |
| 130 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 131 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | } |
| 133 | |
| 134 | static int cx24110_readreg (struct cx24110_state* state, u8 reg) |
| 135 | { |
| 136 | int ret; |
| 137 | u8 b0 [] = { reg }; |
| 138 | u8 b1 [] = { 0 }; |
| 139 | struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 }, |
| 140 | { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } }; |
| 141 | |
| 142 | ret = i2c_transfer(state->i2c, msg, 2); |
| 143 | |
| 144 | if (ret != 2) return ret; |
| 145 | |
| 146 | return b1[0]; |
| 147 | } |
| 148 | |
| 149 | static int cx24110_set_inversion (struct cx24110_state* state, fe_spectral_inversion_t inversion) |
| 150 | { |
| 151 | /* fixme (low): error handling */ |
| 152 | |
| 153 | switch (inversion) { |
| 154 | case INVERSION_OFF: |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 155 | cx24110_writereg(state,0x37,cx24110_readreg(state,0x37)|0x1); |
| 156 | /* AcqSpectrInvDis on. No idea why someone should want this */ |
| 157 | cx24110_writereg(state,0x5,cx24110_readreg(state,0x5)&0xf7); |
| 158 | /* Initial value 0 at start of acq */ |
| 159 | cx24110_writereg(state,0x22,cx24110_readreg(state,0x22)&0xef); |
| 160 | /* current value 0 */ |
| 161 | /* The cx24110 manual tells us this reg is read-only. |
| 162 | But what the heck... set it ayways */ |
| 163 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | case INVERSION_ON: |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 165 | cx24110_writereg(state,0x37,cx24110_readreg(state,0x37)|0x1); |
| 166 | /* AcqSpectrInvDis on. No idea why someone should want this */ |
| 167 | cx24110_writereg(state,0x5,cx24110_readreg(state,0x5)|0x08); |
| 168 | /* Initial value 1 at start of acq */ |
| 169 | cx24110_writereg(state,0x22,cx24110_readreg(state,0x22)|0x10); |
| 170 | /* current value 1 */ |
| 171 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | case INVERSION_AUTO: |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 173 | cx24110_writereg(state,0x37,cx24110_readreg(state,0x37)&0xfe); |
| 174 | /* AcqSpectrInvDis off. Leave initial & current states as is */ |
| 175 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | default: |
| 177 | return -EINVAL; |
| 178 | } |
| 179 | |
| 180 | return 0; |
| 181 | } |
| 182 | |
| 183 | static int cx24110_set_fec (struct cx24110_state* state, fe_code_rate_t fec) |
| 184 | { |
| 185 | /* fixme (low): error handling */ |
| 186 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 187 | static const int rate[]={-1,1,2,3,5,7,-1}; |
| 188 | static const int g1[]={-1,0x01,0x02,0x05,0x15,0x45,-1}; |
| 189 | static const int g2[]={-1,0x01,0x03,0x06,0x1a,0x7a,-1}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 191 | /* Well, the AutoAcq engine of the cx24106 and 24110 automatically |
| 192 | searches all enabled viterbi rates, and can handle non-standard |
| 193 | rates as well. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 195 | if (fec>FEC_AUTO) |
| 196 | fec=FEC_AUTO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 198 | if (fec==FEC_AUTO) { /* (re-)establish AutoAcq behaviour */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | cx24110_writereg(state,0x37,cx24110_readreg(state,0x37)&0xdf); |
| 200 | /* clear AcqVitDis bit */ |
| 201 | cx24110_writereg(state,0x18,0xae); |
| 202 | /* allow all DVB standard code rates */ |
| 203 | cx24110_writereg(state,0x05,(cx24110_readreg(state,0x05)&0xf0)|0x3); |
| 204 | /* set nominal Viterbi rate 3/4 */ |
| 205 | cx24110_writereg(state,0x22,(cx24110_readreg(state,0x22)&0xf0)|0x3); |
| 206 | /* set current Viterbi rate 3/4 */ |
| 207 | cx24110_writereg(state,0x1a,0x05); cx24110_writereg(state,0x1b,0x06); |
| 208 | /* set the puncture registers for code rate 3/4 */ |
| 209 | return 0; |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 210 | } else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | cx24110_writereg(state,0x37,cx24110_readreg(state,0x37)|0x20); |
| 212 | /* set AcqVitDis bit */ |
| 213 | if(rate[fec]>0) { |
| 214 | cx24110_writereg(state,0x05,(cx24110_readreg(state,0x05)&0xf0)|rate[fec]); |
| 215 | /* set nominal Viterbi rate */ |
| 216 | cx24110_writereg(state,0x22,(cx24110_readreg(state,0x22)&0xf0)|rate[fec]); |
| 217 | /* set current Viterbi rate */ |
| 218 | cx24110_writereg(state,0x1a,g1[fec]); |
| 219 | cx24110_writereg(state,0x1b,g2[fec]); |
| 220 | /* not sure if this is the right way: I always used AutoAcq mode */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 221 | } else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | return -EOPNOTSUPP; |
| 223 | /* fixme (low): which is the correct return code? */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 224 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | static fe_code_rate_t cx24110_get_fec (struct cx24110_state* state) |
| 229 | { |
| 230 | int i; |
| 231 | |
| 232 | i=cx24110_readreg(state,0x22)&0x0f; |
| 233 | if(!(i&0x08)) { |
| 234 | return FEC_1_2 + i - 1; |
| 235 | } else { |
| 236 | /* fixme (low): a special code rate has been selected. In theory, we need to |
| 237 | return a denominator value, a numerator value, and a pair of puncture |
| 238 | maps to correctly describe this mode. But this should never happen in |
| 239 | practice, because it cannot be set by cx24110_get_fec. */ |
| 240 | return FEC_NONE; |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | static int cx24110_set_symbolrate (struct cx24110_state* state, u32 srate) |
| 245 | { |
| 246 | /* fixme (low): add error handling */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 247 | u32 ratio; |
| 248 | u32 tmp, fclk, BDRI; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 250 | static const u32 bands[]={5000000UL,15000000UL,90999000UL/2}; |
| 251 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | |
| 253 | dprintk("cx24110 debug: entering %s(%d)\n",__FUNCTION__,srate); |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 254 | if (srate>90999000UL/2) |
| 255 | srate=90999000UL/2; |
| 256 | if (srate<500000) |
| 257 | srate=500000; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 259 | for(i=0;(i<sizeof(bands)/sizeof(bands[0]))&&(srate>bands[i]);i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | ; |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 261 | /* first, check which sample rate is appropriate: 45, 60 80 or 90 MHz, |
| 262 | and set the PLL accordingly (R07[1:0] Fclk, R06[7:4] PLLmult, |
| 263 | R06[3:0] PLLphaseDetGain */ |
| 264 | tmp=cx24110_readreg(state,0x07)&0xfc; |
| 265 | if(srate<90999000UL/4) { /* sample rate 45MHz*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | cx24110_writereg(state,0x07,tmp); |
| 267 | cx24110_writereg(state,0x06,0x78); |
| 268 | fclk=90999000UL/2; |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 269 | } else if(srate<60666000UL/2) { /* sample rate 60MHz */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | cx24110_writereg(state,0x07,tmp|0x1); |
| 271 | cx24110_writereg(state,0x06,0xa5); |
| 272 | fclk=60666000UL; |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 273 | } else if(srate<80888000UL/2) { /* sample rate 80MHz */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | cx24110_writereg(state,0x07,tmp|0x2); |
| 275 | cx24110_writereg(state,0x06,0x87); |
| 276 | fclk=80888000UL; |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 277 | } else { /* sample rate 90MHz */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | cx24110_writereg(state,0x07,tmp|0x3); |
| 279 | cx24110_writereg(state,0x06,0x78); |
| 280 | fclk=90999000UL; |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 281 | }; |
| 282 | dprintk("cx24110 debug: fclk %d Hz\n",fclk); |
| 283 | /* we need to divide two integers with approx. 27 bits in 32 bit |
| 284 | arithmetic giving a 25 bit result */ |
| 285 | /* the maximum dividend is 90999000/2, 0x02b6446c, this number is |
| 286 | also the most complex divisor. Hence, the dividend has, |
| 287 | assuming 32bit unsigned arithmetic, 6 clear bits on top, the |
| 288 | divisor 2 unused bits at the bottom. Also, the quotient is |
| 289 | always less than 1/2. Borrowed from VES1893.c, of course */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 291 | tmp=srate<<6; |
| 292 | BDRI=fclk>>2; |
| 293 | ratio=(tmp/BDRI); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 295 | tmp=(tmp%BDRI)<<8; |
| 296 | ratio=(ratio<<8)+(tmp/BDRI); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 298 | tmp=(tmp%BDRI)<<8; |
| 299 | ratio=(ratio<<8)+(tmp/BDRI); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 301 | tmp=(tmp%BDRI)<<1; |
| 302 | ratio=(ratio<<1)+(tmp/BDRI); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 304 | dprintk("srate= %d (range %d, up to %d)\n", srate,i,bands[i]); |
| 305 | dprintk("fclk = %d\n", fclk); |
| 306 | dprintk("ratio= %08x\n", ratio); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 308 | cx24110_writereg(state, 0x1, (ratio>>16)&0xff); |
| 309 | cx24110_writereg(state, 0x2, (ratio>>8)&0xff); |
| 310 | cx24110_writereg(state, 0x3, (ratio)&0xff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 312 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | |
| 314 | } |
| 315 | |
| 316 | int cx24110_pll_write (struct dvb_frontend* fe, u32 data) |
| 317 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 318 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | |
| 320 | /* tuner data is 21 bits long, must be left-aligned in data */ |
| 321 | /* tuner cx24108 is written through a dedicated 3wire interface on the demod chip */ |
| 322 | /* FIXME (low): add error handling, avoid infinite loops if HW fails... */ |
| 323 | |
| 324 | dprintk("cx24110 debug: cx24108_write(%8.8x)\n",data); |
| 325 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 326 | cx24110_writereg(state,0x6d,0x30); /* auto mode at 62kHz */ |
| 327 | cx24110_writereg(state,0x70,0x15); /* auto mode 21 bits */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 329 | /* if the auto tuner writer is still busy, clear it out */ |
| 330 | while (cx24110_readreg(state,0x6d)&0x80) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | cx24110_writereg(state,0x72,0); |
| 332 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 333 | /* write the topmost 8 bits */ |
| 334 | cx24110_writereg(state,0x72,(data>>24)&0xff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 336 | /* wait for the send to be completed */ |
| 337 | while ((cx24110_readreg(state,0x6d)&0xc0)==0x80) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | ; |
| 339 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 340 | /* send another 8 bytes */ |
| 341 | cx24110_writereg(state,0x72,(data>>16)&0xff); |
| 342 | while ((cx24110_readreg(state,0x6d)&0xc0)==0x80) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | ; |
| 344 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 345 | /* and the topmost 5 bits of this byte */ |
| 346 | cx24110_writereg(state,0x72,(data>>8)&0xff); |
| 347 | while ((cx24110_readreg(state,0x6d)&0xc0)==0x80) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | ; |
| 349 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 350 | /* now strobe the enable line once */ |
| 351 | cx24110_writereg(state,0x6d,0x32); |
| 352 | cx24110_writereg(state,0x6d,0x30); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 354 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | static int cx24110_initfe(struct dvb_frontend* fe) |
| 358 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 359 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | /* fixme (low): error handling */ |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 361 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | |
| 363 | dprintk("%s: init chip\n", __FUNCTION__); |
| 364 | |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 365 | for(i=0;i<sizeof(cx24110_regdata)/sizeof(cx24110_regdata[0]);i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | cx24110_writereg(state, cx24110_regdata[i].reg, cx24110_regdata[i].data); |
Mauro Carvalho Chehab | 9101e62 | 2005-12-12 00:37:24 -0800 | [diff] [blame] | 367 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | |
| 369 | if (state->config->pll_init) state->config->pll_init(fe); |
| 370 | |
| 371 | return 0; |
| 372 | } |
| 373 | |
Manu Abraham | e7ac464 | 2006-02-27 00:09:29 -0300 | [diff] [blame] | 374 | static int cx24110_sleep(struct dvb_frontend *fe) |
| 375 | { |
| 376 | struct cx24110_state *state = fe->demodulator_priv; |
| 377 | |
| 378 | if (state->config->pll_sleep) |
| 379 | return state->config->pll_sleep(fe); |
| 380 | return 0; |
| 381 | } |
| 382 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | static int cx24110_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage) |
| 384 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 385 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | |
| 387 | switch (voltage) { |
| 388 | case SEC_VOLTAGE_13: |
| 389 | return cx24110_writereg(state,0x76,(cx24110_readreg(state,0x76)&0x3b)|0xc0); |
| 390 | case SEC_VOLTAGE_18: |
| 391 | return cx24110_writereg(state,0x76,(cx24110_readreg(state,0x76)&0x3b)|0x40); |
| 392 | default: |
| 393 | return -EINVAL; |
| 394 | }; |
| 395 | } |
| 396 | |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 397 | static int cx24110_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | { |
Johannes Stezenbach | c589ebf | 2005-09-09 13:02:37 -0700 | [diff] [blame] | 399 | int rv, bit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | struct cx24110_state *state = fe->demodulator_priv; |
Johannes Stezenbach | c589ebf | 2005-09-09 13:02:37 -0700 | [diff] [blame] | 401 | unsigned long timeout; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | |
| 403 | if (burst == SEC_MINI_A) |
| 404 | bit = 0x00; |
| 405 | else if (burst == SEC_MINI_B) |
| 406 | bit = 0x08; |
| 407 | else |
| 408 | return -EINVAL; |
| 409 | |
| 410 | rv = cx24110_readreg(state, 0x77); |
Adam Szalkowski | 296c786 | 2005-09-09 13:02:35 -0700 | [diff] [blame] | 411 | if (!(rv & 0x04)) |
| 412 | cx24110_writereg(state, 0x77, rv | 0x04); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | |
| 414 | rv = cx24110_readreg(state, 0x76); |
| 415 | cx24110_writereg(state, 0x76, ((rv & 0x90) | 0x40 | bit)); |
Johannes Stezenbach | c589ebf | 2005-09-09 13:02:37 -0700 | [diff] [blame] | 416 | timeout = jiffies + msecs_to_jiffies(100); |
| 417 | while (!time_after(jiffies, timeout) && !(cx24110_readreg(state, 0x76) & 0x40)) |
| 418 | ; /* wait for LNB ready */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | |
| 420 | return 0; |
| 421 | } |
| 422 | |
| 423 | static int cx24110_send_diseqc_msg(struct dvb_frontend* fe, |
| 424 | struct dvb_diseqc_master_cmd *cmd) |
| 425 | { |
| 426 | int i, rv; |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 427 | struct cx24110_state *state = fe->demodulator_priv; |
Johannes Stezenbach | c589ebf | 2005-09-09 13:02:37 -0700 | [diff] [blame] | 428 | unsigned long timeout; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | |
Manu Abraham | 1e7eb89 | 2006-02-27 00:09:25 -0300 | [diff] [blame] | 430 | if (cmd->msg_len < 3 || cmd->msg_len > 6) |
| 431 | return -EINVAL; /* not implemented */ |
| 432 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | for (i = 0; i < cmd->msg_len; i++) |
| 434 | cx24110_writereg(state, 0x79 + i, cmd->msg[i]); |
| 435 | |
| 436 | rv = cx24110_readreg(state, 0x77); |
Adam Szalkowski | 296c786 | 2005-09-09 13:02:35 -0700 | [diff] [blame] | 437 | if (rv & 0x04) { |
| 438 | cx24110_writereg(state, 0x77, rv & ~0x04); |
| 439 | msleep(30); /* reportedly fixes switching problems */ |
| 440 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | |
| 442 | rv = cx24110_readreg(state, 0x76); |
| 443 | |
| 444 | cx24110_writereg(state, 0x76, ((rv & 0x90) | 0x40) | ((cmd->msg_len-3) & 3)); |
Johannes Stezenbach | c589ebf | 2005-09-09 13:02:37 -0700 | [diff] [blame] | 445 | timeout = jiffies + msecs_to_jiffies(100); |
| 446 | while (!time_after(jiffies, timeout) && !(cx24110_readreg(state, 0x76) & 0x40)) |
| 447 | ; /* wait for LNB ready */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | |
| 449 | return 0; |
| 450 | } |
| 451 | |
| 452 | static int cx24110_read_status(struct dvb_frontend* fe, fe_status_t* status) |
| 453 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 454 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | |
| 456 | int sync = cx24110_readreg (state, 0x55); |
| 457 | |
| 458 | *status = 0; |
| 459 | |
| 460 | if (sync & 0x10) |
| 461 | *status |= FE_HAS_SIGNAL; |
| 462 | |
| 463 | if (sync & 0x08) |
| 464 | *status |= FE_HAS_CARRIER; |
| 465 | |
| 466 | sync = cx24110_readreg (state, 0x08); |
| 467 | |
| 468 | if (sync & 0x40) |
| 469 | *status |= FE_HAS_VITERBI; |
| 470 | |
| 471 | if (sync & 0x20) |
| 472 | *status |= FE_HAS_SYNC; |
| 473 | |
| 474 | if ((sync & 0x60) == 0x60) |
| 475 | *status |= FE_HAS_LOCK; |
| 476 | |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | static int cx24110_read_ber(struct dvb_frontend* fe, u32* ber) |
| 481 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 482 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | |
| 484 | /* fixme (maybe): value range is 16 bit. Scale? */ |
| 485 | if(cx24110_readreg(state,0x24)&0x10) { |
| 486 | /* the Viterbi error counter has finished one counting window */ |
| 487 | cx24110_writereg(state,0x24,0x04); /* select the ber reg */ |
| 488 | state->lastber=cx24110_readreg(state,0x25)| |
| 489 | (cx24110_readreg(state,0x26)<<8); |
| 490 | cx24110_writereg(state,0x24,0x04); /* start new count window */ |
| 491 | cx24110_writereg(state,0x24,0x14); |
| 492 | } |
| 493 | *ber = state->lastber; |
| 494 | |
| 495 | return 0; |
| 496 | } |
| 497 | |
| 498 | static int cx24110_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength) |
| 499 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 500 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | |
| 502 | /* no provision in hardware. Read the frontend AGC accumulator. No idea how to scale this, but I know it is 2s complement */ |
| 503 | u8 signal = cx24110_readreg (state, 0x27)+128; |
| 504 | *signal_strength = (signal << 8) | signal; |
| 505 | |
| 506 | return 0; |
| 507 | } |
| 508 | |
| 509 | static int cx24110_read_snr(struct dvb_frontend* fe, u16* snr) |
| 510 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 511 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | |
| 513 | /* no provision in hardware. Can be computed from the Es/N0 estimator, but I don't know how. */ |
| 514 | if(cx24110_readreg(state,0x6a)&0x80) { |
| 515 | /* the Es/N0 error counter has finished one counting window */ |
| 516 | state->lastesn0=cx24110_readreg(state,0x69)| |
| 517 | (cx24110_readreg(state,0x68)<<8); |
| 518 | cx24110_writereg(state,0x6a,0x84); /* start new count window */ |
| 519 | } |
| 520 | *snr = state->lastesn0; |
| 521 | |
| 522 | return 0; |
| 523 | } |
| 524 | |
| 525 | static int cx24110_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) |
| 526 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 527 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | u32 lastbyer; |
| 529 | |
| 530 | if(cx24110_readreg(state,0x10)&0x40) { |
| 531 | /* the RS error counter has finished one counting window */ |
| 532 | cx24110_writereg(state,0x10,0x60); /* select the byer reg */ |
| 533 | lastbyer=cx24110_readreg(state,0x12)| |
| 534 | (cx24110_readreg(state,0x13)<<8)| |
| 535 | (cx24110_readreg(state,0x14)<<16); |
| 536 | cx24110_writereg(state,0x10,0x70); /* select the bler reg */ |
| 537 | state->lastbler=cx24110_readreg(state,0x12)| |
| 538 | (cx24110_readreg(state,0x13)<<8)| |
| 539 | (cx24110_readreg(state,0x14)<<16); |
| 540 | cx24110_writereg(state,0x10,0x20); /* start new count window */ |
| 541 | } |
| 542 | *ucblocks = state->lastbler; |
| 543 | |
| 544 | return 0; |
| 545 | } |
| 546 | |
| 547 | static int cx24110_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) |
| 548 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 549 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | |
| 551 | state->config->pll_set(fe, p); |
| 552 | cx24110_set_inversion (state, p->inversion); |
| 553 | cx24110_set_fec (state, p->u.qpsk.fec_inner); |
| 554 | cx24110_set_symbolrate (state, p->u.qpsk.symbol_rate); |
| 555 | cx24110_writereg(state,0x04,0x05); /* start aquisition */ |
| 556 | |
| 557 | return 0; |
| 558 | } |
| 559 | |
| 560 | static int cx24110_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) |
| 561 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 562 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | s32 afc; unsigned sclk; |
| 564 | |
| 565 | /* cannot read back tuner settings (freq). Need to have some private storage */ |
| 566 | |
| 567 | sclk = cx24110_readreg (state, 0x07) & 0x03; |
| 568 | /* ok, real AFC (FEDR) freq. is afc/2^24*fsamp, fsamp=45/60/80/90MHz. |
| 569 | * Need 64 bit arithmetic. Is thiss possible in the kernel? */ |
| 570 | if (sclk==0) sclk=90999000L/2L; |
| 571 | else if (sclk==1) sclk=60666000L; |
| 572 | else if (sclk==2) sclk=80888000L; |
| 573 | else sclk=90999000L; |
| 574 | sclk>>=8; |
| 575 | afc = sclk*(cx24110_readreg (state, 0x44)&0x1f)+ |
| 576 | ((sclk*cx24110_readreg (state, 0x45))>>8)+ |
| 577 | ((sclk*cx24110_readreg (state, 0x46))>>16); |
| 578 | |
| 579 | p->frequency += afc; |
| 580 | p->inversion = (cx24110_readreg (state, 0x22) & 0x10) ? |
| 581 | INVERSION_ON : INVERSION_OFF; |
| 582 | p->u.qpsk.fec_inner = cx24110_get_fec (state); |
| 583 | |
| 584 | return 0; |
| 585 | } |
| 586 | |
| 587 | static int cx24110_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) |
| 588 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 589 | struct cx24110_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | |
| 591 | return cx24110_writereg(state,0x76,(cx24110_readreg(state,0x76)&~0x10)|(((tone==SEC_TONE_ON))?0x10:0)); |
| 592 | } |
| 593 | |
| 594 | static void cx24110_release(struct dvb_frontend* fe) |
| 595 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 596 | struct cx24110_state* state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | kfree(state); |
| 598 | } |
| 599 | |
| 600 | static struct dvb_frontend_ops cx24110_ops; |
| 601 | |
| 602 | struct dvb_frontend* cx24110_attach(const struct cx24110_config* config, |
| 603 | struct i2c_adapter* i2c) |
| 604 | { |
| 605 | struct cx24110_state* state = NULL; |
| 606 | int ret; |
| 607 | |
| 608 | /* allocate memory for the internal state */ |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 609 | state = kmalloc(sizeof(struct cx24110_state), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 610 | if (state == NULL) goto error; |
| 611 | |
| 612 | /* setup the state */ |
| 613 | state->config = config; |
| 614 | state->i2c = i2c; |
| 615 | memcpy(&state->ops, &cx24110_ops, sizeof(struct dvb_frontend_ops)); |
| 616 | state->lastber = 0; |
| 617 | state->lastbler = 0; |
| 618 | state->lastesn0 = 0; |
| 619 | |
| 620 | /* check if the demod is there */ |
| 621 | ret = cx24110_readreg(state, 0x00); |
| 622 | if ((ret != 0x5a) && (ret != 0x69)) goto error; |
| 623 | |
| 624 | /* create dvb_frontend */ |
| 625 | state->frontend.ops = &state->ops; |
| 626 | state->frontend.demodulator_priv = state; |
| 627 | return &state->frontend; |
| 628 | |
| 629 | error: |
| 630 | kfree(state); |
| 631 | return NULL; |
| 632 | } |
| 633 | |
| 634 | static struct dvb_frontend_ops cx24110_ops = { |
| 635 | |
| 636 | .info = { |
| 637 | .name = "Conexant CX24110 DVB-S", |
| 638 | .type = FE_QPSK, |
| 639 | .frequency_min = 950000, |
| 640 | .frequency_max = 2150000, |
| 641 | .frequency_stepsize = 1011, /* kHz for QPSK frontends */ |
| 642 | .frequency_tolerance = 29500, |
| 643 | .symbol_rate_min = 1000000, |
| 644 | .symbol_rate_max = 45000000, |
| 645 | .caps = FE_CAN_INVERSION_AUTO | |
| 646 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | |
| 647 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | |
| 648 | FE_CAN_QPSK | FE_CAN_RECOVER |
| 649 | }, |
| 650 | |
| 651 | .release = cx24110_release, |
| 652 | |
| 653 | .init = cx24110_initfe, |
Manu Abraham | e7ac464 | 2006-02-27 00:09:29 -0300 | [diff] [blame] | 654 | .sleep = cx24110_sleep, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | .set_frontend = cx24110_set_frontend, |
| 656 | .get_frontend = cx24110_get_frontend, |
| 657 | .read_status = cx24110_read_status, |
| 658 | .read_ber = cx24110_read_ber, |
| 659 | .read_signal_strength = cx24110_read_signal_strength, |
| 660 | .read_snr = cx24110_read_snr, |
| 661 | .read_ucblocks = cx24110_read_ucblocks, |
| 662 | |
| 663 | .diseqc_send_master_cmd = cx24110_send_diseqc_msg, |
| 664 | .set_tone = cx24110_set_tone, |
| 665 | .set_voltage = cx24110_set_voltage, |
| 666 | .diseqc_send_burst = cx24110_diseqc_send_burst, |
| 667 | }; |
| 668 | |
| 669 | module_param(debug, int, 0644); |
| 670 | MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); |
| 671 | |
| 672 | MODULE_DESCRIPTION("Conexant CX24110 DVB-S Demodulator driver"); |
| 673 | MODULE_AUTHOR("Peter Hettkamp"); |
| 674 | MODULE_LICENSE("GPL"); |
| 675 | |
| 676 | EXPORT_SYMBOL(cx24110_attach); |
| 677 | EXPORT_SYMBOL(cx24110_pll_write); |