Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 1 | /* |
| 2 | Driver for Philips tda10086 DVBS Demodulator |
| 3 | |
| 4 | (c) 2006 Andrew de Quincey |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 20 | |
| 21 | */ |
| 22 | |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/module.h> |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 25 | #include <linux/device.h> |
| 26 | #include <linux/jiffies.h> |
| 27 | #include <linux/string.h> |
| 28 | #include <linux/slab.h> |
| 29 | |
| 30 | #include "dvb_frontend.h" |
| 31 | #include "tda10086.h" |
| 32 | |
| 33 | #define SACLK 96000000 |
| 34 | |
| 35 | struct tda10086_state { |
| 36 | struct i2c_adapter* i2c; |
| 37 | const struct tda10086_config* config; |
| 38 | struct dvb_frontend frontend; |
| 39 | |
| 40 | /* private demod data */ |
| 41 | u32 frequency; |
| 42 | u32 symbol_rate; |
Oliver Endriss | c660415 | 2007-05-28 18:06:27 -0300 | [diff] [blame] | 43 | bool has_lock; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 44 | }; |
| 45 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 46 | static int debug; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 47 | #define dprintk(args...) \ |
| 48 | do { \ |
| 49 | if (debug) printk(KERN_DEBUG "tda10086: " args); \ |
| 50 | } while (0) |
| 51 | |
| 52 | static int tda10086_write_byte(struct tda10086_state *state, int reg, int data) |
| 53 | { |
| 54 | int ret; |
| 55 | u8 b0[] = { reg, data }; |
| 56 | struct i2c_msg msg = { .flags = 0, .buf = b0, .len = 2 }; |
| 57 | |
| 58 | msg.addr = state->config->demod_address; |
| 59 | ret = i2c_transfer(state->i2c, &msg, 1); |
| 60 | |
| 61 | if (ret != 1) |
| 62 | dprintk("%s: error reg=0x%x, data=0x%x, ret=%i\n", |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 63 | __func__, reg, data, ret); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 64 | |
| 65 | return (ret != 1) ? ret : 0; |
| 66 | } |
| 67 | |
| 68 | static int tda10086_read_byte(struct tda10086_state *state, int reg) |
| 69 | { |
| 70 | int ret; |
| 71 | u8 b0[] = { reg }; |
| 72 | u8 b1[] = { 0 }; |
| 73 | struct i2c_msg msg[] = {{ .flags = 0, .buf = b0, .len = 1 }, |
| 74 | { .flags = I2C_M_RD, .buf = b1, .len = 1 }}; |
| 75 | |
| 76 | msg[0].addr = state->config->demod_address; |
| 77 | msg[1].addr = state->config->demod_address; |
| 78 | ret = i2c_transfer(state->i2c, msg, 2); |
| 79 | |
| 80 | if (ret != 2) { |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 81 | dprintk("%s: error reg=0x%x, ret=%i\n", __func__, reg, |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 82 | ret); |
| 83 | return ret; |
| 84 | } |
| 85 | |
| 86 | return b1[0]; |
| 87 | } |
| 88 | |
| 89 | static int tda10086_write_mask(struct tda10086_state *state, int reg, int mask, int data) |
| 90 | { |
| 91 | int val; |
| 92 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 93 | /* read a byte and check */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 94 | val = tda10086_read_byte(state, reg); |
| 95 | if (val < 0) |
| 96 | return val; |
| 97 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 98 | /* mask if off */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 99 | val = val & ~mask; |
| 100 | val |= data & 0xff; |
| 101 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 102 | /* write it out again */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 103 | return tda10086_write_byte(state, reg, val); |
| 104 | } |
| 105 | |
| 106 | static int tda10086_init(struct dvb_frontend* fe) |
| 107 | { |
| 108 | struct tda10086_state* state = fe->demodulator_priv; |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 109 | u8 t22k_off = 0x80; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 110 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 111 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 112 | |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 113 | if (state->config->diseqc_tone) |
| 114 | t22k_off = 0; |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 115 | /* reset */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 116 | tda10086_write_byte(state, 0x00, 0x00); |
| 117 | msleep(10); |
| 118 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 119 | /* misc setup */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 120 | tda10086_write_byte(state, 0x01, 0x94); |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 121 | tda10086_write_byte(state, 0x02, 0x35); /* NOTE: TT drivers appear to disable CSWP */ |
Oliver Endriss | c660415 | 2007-05-28 18:06:27 -0300 | [diff] [blame] | 122 | tda10086_write_byte(state, 0x03, 0xe4); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 123 | tda10086_write_byte(state, 0x04, 0x43); |
| 124 | tda10086_write_byte(state, 0x0c, 0x0c); |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 125 | tda10086_write_byte(state, 0x1b, 0xb0); /* noise threshold */ |
| 126 | tda10086_write_byte(state, 0x20, 0x89); /* misc */ |
| 127 | tda10086_write_byte(state, 0x30, 0x04); /* acquisition period length */ |
| 128 | tda10086_write_byte(state, 0x32, 0x00); /* irq off */ |
| 129 | tda10086_write_byte(state, 0x31, 0x56); /* setup AFC */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 130 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 131 | /* setup PLL (this assumes SACLK = 96MHz) */ |
| 132 | tda10086_write_byte(state, 0x55, 0x2c); /* misc PLL setup */ |
Hartmut Hackmann | 9a1b04e | 2008-04-09 23:07:11 -0300 | [diff] [blame] | 133 | if (state->config->xtal_freq == TDA10086_XTAL_16M) { |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 134 | tda10086_write_byte(state, 0x3a, 0x0b); /* M=12 */ |
| 135 | tda10086_write_byte(state, 0x3b, 0x01); /* P=2 */ |
Hartmut Hackmann | 9a1b04e | 2008-04-09 23:07:11 -0300 | [diff] [blame] | 136 | } else { |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 137 | tda10086_write_byte(state, 0x3a, 0x17); /* M=24 */ |
| 138 | tda10086_write_byte(state, 0x3b, 0x00); /* P=1 */ |
Hartmut Hackmann | 9a1b04e | 2008-04-09 23:07:11 -0300 | [diff] [blame] | 139 | } |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 140 | tda10086_write_mask(state, 0x55, 0x20, 0x00); /* powerup PLL */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 141 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 142 | /* setup TS interface */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 143 | tda10086_write_byte(state, 0x11, 0x81); |
| 144 | tda10086_write_byte(state, 0x12, 0x81); |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 145 | tda10086_write_byte(state, 0x19, 0x40); /* parallel mode A + MSBFIRST */ |
| 146 | tda10086_write_byte(state, 0x56, 0x80); /* powerdown WPLL - unused in the mode we use */ |
| 147 | tda10086_write_byte(state, 0x57, 0x08); /* bypass WPLL - unused in the mode we use */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 148 | tda10086_write_byte(state, 0x10, 0x2a); |
| 149 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 150 | /* setup ADC */ |
| 151 | tda10086_write_byte(state, 0x58, 0x61); /* ADC setup */ |
| 152 | tda10086_write_mask(state, 0x58, 0x01, 0x00); /* powerup ADC */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 153 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 154 | /* setup AGC */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 155 | tda10086_write_byte(state, 0x05, 0x0B); |
| 156 | tda10086_write_byte(state, 0x37, 0x63); |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 157 | tda10086_write_byte(state, 0x3f, 0x0a); /* NOTE: flydvb varies it */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 158 | tda10086_write_byte(state, 0x40, 0x64); |
| 159 | tda10086_write_byte(state, 0x41, 0x4f); |
| 160 | tda10086_write_byte(state, 0x42, 0x43); |
| 161 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 162 | /* setup viterbi */ |
| 163 | tda10086_write_byte(state, 0x1a, 0x11); /* VBER 10^6, DVB, QPSK */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 164 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 165 | /* setup carrier recovery */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 166 | tda10086_write_byte(state, 0x3d, 0x80); |
| 167 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 168 | /* setup SEC */ |
| 169 | tda10086_write_byte(state, 0x36, t22k_off); /* all SEC off, 22k tone */ |
| 170 | tda10086_write_byte(state, 0x34, (((1<<19) * (22000/1000)) / (SACLK/1000))); |
| 171 | tda10086_write_byte(state, 0x35, (((1<<19) * (22000/1000)) / (SACLK/1000)) >> 8); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 172 | |
| 173 | return 0; |
| 174 | } |
| 175 | |
| 176 | static void tda10086_diseqc_wait(struct tda10086_state *state) |
| 177 | { |
| 178 | unsigned long timeout = jiffies + msecs_to_jiffies(200); |
| 179 | while (!(tda10086_read_byte(state, 0x50) & 0x01)) { |
| 180 | if(time_after(jiffies, timeout)) { |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 181 | printk("%s: diseqc queue not ready, command may be lost.\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 182 | break; |
| 183 | } |
| 184 | msleep(10); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | static int tda10086_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone) |
| 189 | { |
| 190 | struct tda10086_state* state = fe->demodulator_priv; |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 191 | u8 t22k_off = 0x80; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 192 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 193 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 194 | |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 195 | if (state->config->diseqc_tone) |
| 196 | t22k_off = 0; |
| 197 | |
Hartmut Hackmann | 33f7771 | 2007-11-08 08:54:53 -0300 | [diff] [blame] | 198 | switch (tone) { |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 199 | case SEC_TONE_OFF: |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 200 | tda10086_write_byte(state, 0x36, t22k_off); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 201 | break; |
| 202 | |
| 203 | case SEC_TONE_ON: |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 204 | tda10086_write_byte(state, 0x36, 0x01 + t22k_off); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 205 | break; |
| 206 | } |
| 207 | |
| 208 | return 0; |
| 209 | } |
| 210 | |
| 211 | static int tda10086_send_master_cmd (struct dvb_frontend* fe, |
| 212 | struct dvb_diseqc_master_cmd* cmd) |
| 213 | { |
| 214 | struct tda10086_state* state = fe->demodulator_priv; |
| 215 | int i; |
| 216 | u8 oldval; |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 217 | u8 t22k_off = 0x80; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 218 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 219 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 220 | |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 221 | if (state->config->diseqc_tone) |
| 222 | t22k_off = 0; |
| 223 | |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 224 | if (cmd->msg_len > 6) |
| 225 | return -EINVAL; |
| 226 | oldval = tda10086_read_byte(state, 0x36); |
| 227 | |
| 228 | for(i=0; i< cmd->msg_len; i++) { |
| 229 | tda10086_write_byte(state, 0x48+i, cmd->msg[i]); |
| 230 | } |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 231 | tda10086_write_byte(state, 0x36, (0x08 + t22k_off) |
| 232 | | ((cmd->msg_len - 1) << 4)); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 233 | |
| 234 | tda10086_diseqc_wait(state); |
| 235 | |
| 236 | tda10086_write_byte(state, 0x36, oldval); |
| 237 | |
| 238 | return 0; |
| 239 | } |
| 240 | |
| 241 | static int tda10086_send_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd) |
| 242 | { |
| 243 | struct tda10086_state* state = fe->demodulator_priv; |
| 244 | u8 oldval = tda10086_read_byte(state, 0x36); |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 245 | u8 t22k_off = 0x80; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 246 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 247 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 248 | |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 249 | if (state->config->diseqc_tone) |
| 250 | t22k_off = 0; |
| 251 | |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 252 | switch(minicmd) { |
| 253 | case SEC_MINI_A: |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 254 | tda10086_write_byte(state, 0x36, 0x04 + t22k_off); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 255 | break; |
| 256 | |
| 257 | case SEC_MINI_B: |
Hartmut Hackmann | ea75baf | 2008-02-09 23:54:24 -0300 | [diff] [blame] | 258 | tda10086_write_byte(state, 0x36, 0x06 + t22k_off); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 259 | break; |
| 260 | } |
| 261 | |
| 262 | tda10086_diseqc_wait(state); |
| 263 | |
| 264 | tda10086_write_byte(state, 0x36, oldval); |
| 265 | |
| 266 | return 0; |
| 267 | } |
| 268 | |
| 269 | static int tda10086_set_inversion(struct tda10086_state *state, |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 270 | struct dtv_frontend_properties *fe_params) |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 271 | { |
| 272 | u8 invval = 0x80; |
| 273 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 274 | dprintk ("%s %i %i\n", __func__, fe_params->inversion, state->config->invert); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 275 | |
| 276 | switch(fe_params->inversion) { |
| 277 | case INVERSION_OFF: |
| 278 | if (state->config->invert) |
| 279 | invval = 0x40; |
| 280 | break; |
| 281 | case INVERSION_ON: |
| 282 | if (!state->config->invert) |
| 283 | invval = 0x40; |
| 284 | break; |
| 285 | case INVERSION_AUTO: |
| 286 | invval = 0x00; |
| 287 | break; |
| 288 | } |
| 289 | tda10086_write_mask(state, 0x0c, 0xc0, invval); |
| 290 | |
| 291 | return 0; |
| 292 | } |
| 293 | |
| 294 | static int tda10086_set_symbol_rate(struct tda10086_state *state, |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 295 | struct dtv_frontend_properties *fe_params) |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 296 | { |
| 297 | u8 dfn = 0; |
| 298 | u8 afs = 0; |
| 299 | u8 byp = 0; |
| 300 | u8 reg37 = 0x43; |
| 301 | u8 reg42 = 0x43; |
| 302 | u64 big; |
| 303 | u32 tmp; |
| 304 | u32 bdr; |
| 305 | u32 bdri; |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 306 | u32 symbol_rate = fe_params->symbol_rate; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 307 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 308 | dprintk ("%s %i\n", __func__, symbol_rate); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 309 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 310 | /* setup the decimation and anti-aliasing filters.. */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 311 | if (symbol_rate < (u32) (SACLK * 0.0137)) { |
| 312 | dfn=4; |
| 313 | afs=1; |
| 314 | } else if (symbol_rate < (u32) (SACLK * 0.0208)) { |
| 315 | dfn=4; |
| 316 | afs=0; |
| 317 | } else if (symbol_rate < (u32) (SACLK * 0.0270)) { |
| 318 | dfn=3; |
| 319 | afs=1; |
| 320 | } else if (symbol_rate < (u32) (SACLK * 0.0416)) { |
| 321 | dfn=3; |
| 322 | afs=0; |
| 323 | } else if (symbol_rate < (u32) (SACLK * 0.0550)) { |
| 324 | dfn=2; |
| 325 | afs=1; |
| 326 | } else if (symbol_rate < (u32) (SACLK * 0.0833)) { |
| 327 | dfn=2; |
| 328 | afs=0; |
| 329 | } else if (symbol_rate < (u32) (SACLK * 0.1100)) { |
| 330 | dfn=1; |
| 331 | afs=1; |
| 332 | } else if (symbol_rate < (u32) (SACLK * 0.1666)) { |
| 333 | dfn=1; |
| 334 | afs=0; |
| 335 | } else if (symbol_rate < (u32) (SACLK * 0.2200)) { |
| 336 | dfn=0; |
| 337 | afs=1; |
| 338 | } else if (symbol_rate < (u32) (SACLK * 0.3333)) { |
| 339 | dfn=0; |
| 340 | afs=0; |
| 341 | } else { |
| 342 | reg37 = 0x63; |
| 343 | reg42 = 0x4f; |
| 344 | byp=1; |
| 345 | } |
| 346 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 347 | /* calculate BDR */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 348 | big = (1ULL<<21) * ((u64) symbol_rate/1000ULL) * (1ULL<<dfn); |
| 349 | big += ((SACLK/1000ULL)-1ULL); |
| 350 | do_div(big, (SACLK/1000ULL)); |
| 351 | bdr = big & 0xfffff; |
| 352 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 353 | /* calculate BDRI */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 354 | tmp = (1<<dfn)*(symbol_rate/1000); |
| 355 | bdri = ((32 * (SACLK/1000)) + (tmp-1)) / tmp; |
| 356 | |
| 357 | tda10086_write_byte(state, 0x21, (afs << 7) | dfn); |
| 358 | tda10086_write_mask(state, 0x20, 0x08, byp << 3); |
| 359 | tda10086_write_byte(state, 0x06, bdr); |
| 360 | tda10086_write_byte(state, 0x07, bdr >> 8); |
| 361 | tda10086_write_byte(state, 0x08, bdr >> 16); |
| 362 | tda10086_write_byte(state, 0x09, bdri); |
| 363 | tda10086_write_byte(state, 0x37, reg37); |
| 364 | tda10086_write_byte(state, 0x42, reg42); |
| 365 | |
| 366 | return 0; |
| 367 | } |
| 368 | |
| 369 | static int tda10086_set_fec(struct tda10086_state *state, |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 370 | struct dtv_frontend_properties *fe_params) |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 371 | { |
| 372 | u8 fecval; |
| 373 | |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 374 | dprintk("%s %i\n", __func__, fe_params->fec_inner); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 375 | |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 376 | switch (fe_params->fec_inner) { |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 377 | case FEC_1_2: |
| 378 | fecval = 0x00; |
| 379 | break; |
| 380 | case FEC_2_3: |
| 381 | fecval = 0x01; |
| 382 | break; |
| 383 | case FEC_3_4: |
| 384 | fecval = 0x02; |
| 385 | break; |
| 386 | case FEC_4_5: |
| 387 | fecval = 0x03; |
| 388 | break; |
| 389 | case FEC_5_6: |
| 390 | fecval = 0x04; |
| 391 | break; |
| 392 | case FEC_6_7: |
| 393 | fecval = 0x05; |
| 394 | break; |
| 395 | case FEC_7_8: |
| 396 | fecval = 0x06; |
| 397 | break; |
| 398 | case FEC_8_9: |
| 399 | fecval = 0x07; |
| 400 | break; |
| 401 | case FEC_AUTO: |
| 402 | fecval = 0x08; |
| 403 | break; |
| 404 | default: |
| 405 | return -1; |
| 406 | } |
| 407 | tda10086_write_byte(state, 0x0d, fecval); |
| 408 | |
| 409 | return 0; |
| 410 | } |
| 411 | |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 412 | static int tda10086_set_frontend(struct dvb_frontend *fe) |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 413 | { |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 414 | struct dtv_frontend_properties *fe_params = &fe->dtv_property_cache; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 415 | struct tda10086_state *state = fe->demodulator_priv; |
| 416 | int ret; |
| 417 | u32 freq = 0; |
| 418 | int freqoff; |
| 419 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 420 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 421 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 422 | /* modify parameters for tuning */ |
Oliver Endriss | c660415 | 2007-05-28 18:06:27 -0300 | [diff] [blame] | 423 | tda10086_write_byte(state, 0x02, 0x35); |
| 424 | state->has_lock = false; |
| 425 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 426 | /* set params */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 427 | if (fe->ops.tuner_ops.set_params) { |
Mauro Carvalho Chehab | 14d24d1 | 2011-12-24 12:24:33 -0300 | [diff] [blame] | 428 | fe->ops.tuner_ops.set_params(fe); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 429 | if (fe->ops.i2c_gate_ctrl) |
| 430 | fe->ops.i2c_gate_ctrl(fe, 0); |
| 431 | |
| 432 | if (fe->ops.tuner_ops.get_frequency) |
| 433 | fe->ops.tuner_ops.get_frequency(fe, &freq); |
| 434 | if (fe->ops.i2c_gate_ctrl) |
| 435 | fe->ops.i2c_gate_ctrl(fe, 0); |
| 436 | } |
| 437 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 438 | /* calcluate the frequency offset (in *Hz* not kHz) */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 439 | freqoff = fe_params->frequency - freq; |
| 440 | freqoff = ((1<<16) * freqoff) / (SACLK/1000); |
| 441 | tda10086_write_byte(state, 0x3d, 0x80 | ((freqoff >> 8) & 0x7f)); |
| 442 | tda10086_write_byte(state, 0x3e, freqoff); |
| 443 | |
| 444 | if ((ret = tda10086_set_inversion(state, fe_params)) < 0) |
| 445 | return ret; |
| 446 | if ((ret = tda10086_set_symbol_rate(state, fe_params)) < 0) |
| 447 | return ret; |
| 448 | if ((ret = tda10086_set_fec(state, fe_params)) < 0) |
| 449 | return ret; |
| 450 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 451 | /* soft reset + disable TS output until lock */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 452 | tda10086_write_mask(state, 0x10, 0x40, 0x40); |
| 453 | tda10086_write_mask(state, 0x00, 0x01, 0x00); |
| 454 | |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 455 | state->symbol_rate = fe_params->symbol_rate; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 456 | state->frequency = fe_params->frequency; |
| 457 | return 0; |
| 458 | } |
| 459 | |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 460 | static int tda10086_get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties *fe_params) |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 461 | { |
| 462 | struct tda10086_state* state = fe->demodulator_priv; |
| 463 | u8 val; |
| 464 | int tmp; |
| 465 | u64 tmp64; |
| 466 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 467 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 468 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 469 | /* check for invalid symbol rate */ |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 470 | if (fe_params->symbol_rate < 500000) |
Andrew de Quincey | 221a09d | 2006-11-22 18:01:21 -0300 | [diff] [blame] | 471 | return -EINVAL; |
| 472 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 473 | /* calculate the updated frequency (note: we convert from Hz->kHz) */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 474 | tmp64 = tda10086_read_byte(state, 0x52); |
| 475 | tmp64 |= (tda10086_read_byte(state, 0x51) << 8); |
| 476 | if (tmp64 & 0x8000) |
| 477 | tmp64 |= 0xffffffffffff0000ULL; |
| 478 | tmp64 = (tmp64 * (SACLK/1000ULL)); |
| 479 | do_div(tmp64, (1ULL<<15) * (1ULL<<1)); |
| 480 | fe_params->frequency = (int) state->frequency + (int) tmp64; |
| 481 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 482 | /* the inversion */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 483 | val = tda10086_read_byte(state, 0x0c); |
| 484 | if (val & 0x80) { |
| 485 | switch(val & 0x40) { |
| 486 | case 0x00: |
| 487 | fe_params->inversion = INVERSION_OFF; |
| 488 | if (state->config->invert) |
| 489 | fe_params->inversion = INVERSION_ON; |
| 490 | break; |
| 491 | default: |
| 492 | fe_params->inversion = INVERSION_ON; |
| 493 | if (state->config->invert) |
| 494 | fe_params->inversion = INVERSION_OFF; |
| 495 | break; |
| 496 | } |
| 497 | } else { |
| 498 | tda10086_read_byte(state, 0x0f); |
| 499 | switch(val & 0x02) { |
| 500 | case 0x00: |
| 501 | fe_params->inversion = INVERSION_OFF; |
| 502 | if (state->config->invert) |
| 503 | fe_params->inversion = INVERSION_ON; |
| 504 | break; |
| 505 | default: |
| 506 | fe_params->inversion = INVERSION_ON; |
| 507 | if (state->config->invert) |
| 508 | fe_params->inversion = INVERSION_OFF; |
| 509 | break; |
| 510 | } |
| 511 | } |
| 512 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 513 | /* calculate the updated symbol rate */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 514 | tmp = tda10086_read_byte(state, 0x1d); |
| 515 | if (tmp & 0x80) |
| 516 | tmp |= 0xffffff00; |
| 517 | tmp = (tmp * 480 * (1<<1)) / 128; |
| 518 | tmp = ((state->symbol_rate/1000) * tmp) / (1000000/1000); |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 519 | fe_params->symbol_rate = state->symbol_rate + tmp; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 520 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 521 | /* the FEC */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 522 | val = (tda10086_read_byte(state, 0x0d) & 0x70) >> 4; |
| 523 | switch(val) { |
| 524 | case 0x00: |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 525 | fe_params->fec_inner = FEC_1_2; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 526 | break; |
| 527 | case 0x01: |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 528 | fe_params->fec_inner = FEC_2_3; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 529 | break; |
| 530 | case 0x02: |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 531 | fe_params->fec_inner = FEC_3_4; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 532 | break; |
| 533 | case 0x03: |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 534 | fe_params->fec_inner = FEC_4_5; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 535 | break; |
| 536 | case 0x04: |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 537 | fe_params->fec_inner = FEC_5_6; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 538 | break; |
| 539 | case 0x05: |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 540 | fe_params->fec_inner = FEC_6_7; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 541 | break; |
| 542 | case 0x06: |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 543 | fe_params->fec_inner = FEC_7_8; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 544 | break; |
| 545 | case 0x07: |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 546 | fe_params->fec_inner = FEC_8_9; |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 547 | break; |
| 548 | } |
| 549 | |
| 550 | return 0; |
| 551 | } |
| 552 | |
| 553 | static int tda10086_read_status(struct dvb_frontend* fe, fe_status_t *fe_status) |
| 554 | { |
| 555 | struct tda10086_state* state = fe->demodulator_priv; |
| 556 | u8 val; |
| 557 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 558 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 559 | |
| 560 | val = tda10086_read_byte(state, 0x0e); |
| 561 | *fe_status = 0; |
| 562 | if (val & 0x01) |
| 563 | *fe_status |= FE_HAS_SIGNAL; |
| 564 | if (val & 0x02) |
| 565 | *fe_status |= FE_HAS_CARRIER; |
| 566 | if (val & 0x04) |
| 567 | *fe_status |= FE_HAS_VITERBI; |
| 568 | if (val & 0x08) |
| 569 | *fe_status |= FE_HAS_SYNC; |
Oliver Endriss | c660415 | 2007-05-28 18:06:27 -0300 | [diff] [blame] | 570 | if (val & 0x10) { |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 571 | *fe_status |= FE_HAS_LOCK; |
Oliver Endriss | c660415 | 2007-05-28 18:06:27 -0300 | [diff] [blame] | 572 | if (!state->has_lock) { |
| 573 | state->has_lock = true; |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 574 | /* modify parameters for stable reception */ |
Oliver Endriss | c660415 | 2007-05-28 18:06:27 -0300 | [diff] [blame] | 575 | tda10086_write_byte(state, 0x02, 0x00); |
| 576 | } |
| 577 | } |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 578 | |
| 579 | return 0; |
| 580 | } |
| 581 | |
| 582 | static int tda10086_read_signal_strength(struct dvb_frontend* fe, u16 * signal) |
| 583 | { |
| 584 | struct tda10086_state* state = fe->demodulator_priv; |
| 585 | u8 _str; |
| 586 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 587 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 588 | |
Oliver Endriss | c660415 | 2007-05-28 18:06:27 -0300 | [diff] [blame] | 589 | _str = 0xff - tda10086_read_byte(state, 0x43); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 590 | *signal = (_str << 8) | _str; |
| 591 | |
| 592 | return 0; |
| 593 | } |
| 594 | |
| 595 | static int tda10086_read_snr(struct dvb_frontend* fe, u16 * snr) |
| 596 | { |
| 597 | struct tda10086_state* state = fe->demodulator_priv; |
| 598 | u8 _snr; |
| 599 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 600 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 601 | |
Oliver Endriss | c660415 | 2007-05-28 18:06:27 -0300 | [diff] [blame] | 602 | _snr = 0xff - tda10086_read_byte(state, 0x1c); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 603 | *snr = (_snr << 8) | _snr; |
| 604 | |
| 605 | return 0; |
| 606 | } |
| 607 | |
| 608 | static int tda10086_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) |
| 609 | { |
| 610 | struct tda10086_state* state = fe->demodulator_priv; |
| 611 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 612 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 613 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 614 | /* read it */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 615 | *ucblocks = tda10086_read_byte(state, 0x18) & 0x7f; |
| 616 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 617 | /* reset counter */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 618 | tda10086_write_byte(state, 0x18, 0x00); |
| 619 | tda10086_write_byte(state, 0x18, 0x80); |
| 620 | |
| 621 | return 0; |
| 622 | } |
| 623 | |
| 624 | static int tda10086_read_ber(struct dvb_frontend* fe, u32* ber) |
| 625 | { |
| 626 | struct tda10086_state* state = fe->demodulator_priv; |
| 627 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 628 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 629 | |
Hartmut Hackmann | b1c54fe | 2008-04-13 21:09:11 -0300 | [diff] [blame] | 630 | /* read it */ |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 631 | *ber = 0; |
| 632 | *ber |= tda10086_read_byte(state, 0x15); |
| 633 | *ber |= tda10086_read_byte(state, 0x16) << 8; |
| 634 | *ber |= (tda10086_read_byte(state, 0x17) & 0xf) << 16; |
| 635 | |
| 636 | return 0; |
| 637 | } |
| 638 | |
| 639 | static int tda10086_sleep(struct dvb_frontend* fe) |
| 640 | { |
| 641 | struct tda10086_state* state = fe->demodulator_priv; |
| 642 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 643 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 644 | |
| 645 | tda10086_write_mask(state, 0x00, 0x08, 0x08); |
| 646 | |
| 647 | return 0; |
| 648 | } |
| 649 | |
| 650 | static int tda10086_i2c_gate_ctrl(struct dvb_frontend* fe, int enable) |
| 651 | { |
| 652 | struct tda10086_state* state = fe->demodulator_priv; |
| 653 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 654 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 655 | |
| 656 | if (enable) { |
| 657 | tda10086_write_mask(state, 0x00, 0x10, 0x10); |
| 658 | } else { |
| 659 | tda10086_write_mask(state, 0x00, 0x10, 0x00); |
| 660 | } |
| 661 | |
| 662 | return 0; |
| 663 | } |
| 664 | |
| 665 | static int tda10086_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings) |
| 666 | { |
| 667 | if (fesettings->parameters.u.qpsk.symbol_rate > 20000000) { |
| 668 | fesettings->min_delay_ms = 50; |
| 669 | fesettings->step_size = 2000; |
| 670 | fesettings->max_drift = 8000; |
| 671 | } else if (fesettings->parameters.u.qpsk.symbol_rate > 12000000) { |
| 672 | fesettings->min_delay_ms = 100; |
| 673 | fesettings->step_size = 1500; |
| 674 | fesettings->max_drift = 9000; |
| 675 | } else if (fesettings->parameters.u.qpsk.symbol_rate > 8000000) { |
| 676 | fesettings->min_delay_ms = 100; |
| 677 | fesettings->step_size = 1000; |
| 678 | fesettings->max_drift = 8000; |
| 679 | } else if (fesettings->parameters.u.qpsk.symbol_rate > 4000000) { |
| 680 | fesettings->min_delay_ms = 100; |
| 681 | fesettings->step_size = 500; |
| 682 | fesettings->max_drift = 7000; |
| 683 | } else if (fesettings->parameters.u.qpsk.symbol_rate > 2000000) { |
| 684 | fesettings->min_delay_ms = 200; |
| 685 | fesettings->step_size = (fesettings->parameters.u.qpsk.symbol_rate / 8000); |
| 686 | fesettings->max_drift = 14 * fesettings->step_size; |
| 687 | } else { |
| 688 | fesettings->min_delay_ms = 200; |
| 689 | fesettings->step_size = (fesettings->parameters.u.qpsk.symbol_rate / 8000); |
| 690 | fesettings->max_drift = 18 * fesettings->step_size; |
| 691 | } |
| 692 | |
| 693 | return 0; |
| 694 | } |
| 695 | |
| 696 | static void tda10086_release(struct dvb_frontend* fe) |
| 697 | { |
| 698 | struct tda10086_state *state = fe->demodulator_priv; |
| 699 | tda10086_sleep(fe); |
| 700 | kfree(state); |
| 701 | } |
| 702 | |
| 703 | static struct dvb_frontend_ops tda10086_ops = { |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 704 | .delsys = { SYS_DVBS }, |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 705 | .info = { |
| 706 | .name = "Philips TDA10086 DVB-S", |
| 707 | .type = FE_QPSK, |
| 708 | .frequency_min = 950000, |
| 709 | .frequency_max = 2150000, |
| 710 | .frequency_stepsize = 125, /* kHz for QPSK frontends */ |
| 711 | .symbol_rate_min = 1000000, |
| 712 | .symbol_rate_max = 45000000, |
| 713 | .caps = FE_CAN_INVERSION_AUTO | |
| 714 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | |
| 715 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | |
| 716 | FE_CAN_QPSK |
| 717 | }, |
| 718 | |
| 719 | .release = tda10086_release, |
| 720 | |
| 721 | .init = tda10086_init, |
| 722 | .sleep = tda10086_sleep, |
| 723 | .i2c_gate_ctrl = tda10086_i2c_gate_ctrl, |
| 724 | |
Mauro Carvalho Chehab | 6714049 | 2011-12-26 14:51:41 -0300 | [diff] [blame] | 725 | .set_frontend = tda10086_set_frontend, |
| 726 | .get_frontend = tda10086_get_frontend, |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 727 | .get_tune_settings = tda10086_get_tune_settings, |
| 728 | |
| 729 | .read_status = tda10086_read_status, |
| 730 | .read_ber = tda10086_read_ber, |
| 731 | .read_signal_strength = tda10086_read_signal_strength, |
| 732 | .read_snr = tda10086_read_snr, |
| 733 | .read_ucblocks = tda10086_read_ucblocks, |
| 734 | |
| 735 | .diseqc_send_master_cmd = tda10086_send_master_cmd, |
| 736 | .diseqc_send_burst = tda10086_send_burst, |
| 737 | .set_tone = tda10086_set_tone, |
| 738 | }; |
| 739 | |
| 740 | struct dvb_frontend* tda10086_attach(const struct tda10086_config* config, |
| 741 | struct i2c_adapter* i2c) |
| 742 | { |
| 743 | struct tda10086_state *state; |
| 744 | |
Harvey Harrison | 271ddbf | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 745 | dprintk ("%s\n", __func__); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 746 | |
| 747 | /* allocate memory for the internal state */ |
Matthias Schwarzott | 084e24a | 2009-08-10 22:51:01 -0300 | [diff] [blame] | 748 | state = kzalloc(sizeof(struct tda10086_state), GFP_KERNEL); |
Andrew de Quincey | 6bca358 | 2006-08-08 09:10:10 -0300 | [diff] [blame] | 749 | if (!state) |
| 750 | return NULL; |
| 751 | |
| 752 | /* setup the state */ |
| 753 | state->config = config; |
| 754 | state->i2c = i2c; |
| 755 | |
| 756 | /* check if the demod is there */ |
| 757 | if (tda10086_read_byte(state, 0x1e) != 0xe1) { |
| 758 | kfree(state); |
| 759 | return NULL; |
| 760 | } |
| 761 | |
| 762 | /* create dvb_frontend */ |
| 763 | memcpy(&state->frontend.ops, &tda10086_ops, sizeof(struct dvb_frontend_ops)); |
| 764 | state->frontend.demodulator_priv = state; |
| 765 | return &state->frontend; |
| 766 | } |
| 767 | |
| 768 | module_param(debug, int, 0644); |
| 769 | MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); |
| 770 | |
| 771 | MODULE_DESCRIPTION("Philips TDA10086 DVB-S Demodulator"); |
| 772 | MODULE_AUTHOR("Andrew de Quincey"); |
| 773 | MODULE_LICENSE("GPL"); |
| 774 | |
| 775 | EXPORT_SYMBOL(tda10086_attach); |