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Commit | Line | Data |
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1da177e4 | 1 | /* |
b7571f8d | 2 | * Driver for DiBcom DiB3000MC/P-demodulator. |
1da177e4 | 3 | * |
b6884a17 | 4 | * Copyright (C) 2004-7 DiBcom (http://www.dibcom.fr/) |
1da177e4 LT |
5 | * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) |
6 | * | |
b7571f8d | 7 | * This code is partially based on the previous dib3000mc.c . |
1da177e4 | 8 | * |
b7571f8d | 9 | * This program is free software; you can redistribute it and/or |
1da177e4 LT |
10 | * modify it under the terms of the GNU General Public License as |
11 | * published by the Free Software Foundation, version 2. | |
1da177e4 | 12 | */ |
b7571f8d | 13 | |
1da177e4 | 14 | #include <linux/kernel.h> |
5a0e3ad6 | 15 | #include <linux/slab.h> |
b7571f8d | 16 | #include <linux/i2c.h> |
b7571f8d PB |
17 | |
18 | #include "dvb_frontend.h" | |
19 | ||
20 | #include "dib3000mc.h" | |
21 | ||
1da177e4 LT |
22 | static int debug; |
23 | module_param(debug, int, 0644); | |
b7571f8d | 24 | MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); |
1da177e4 | 25 | |
8f6956c7 MD |
26 | static int buggy_sfn_workaround; |
27 | module_param(buggy_sfn_workaround, int, 0644); | |
8d99996b | 28 | MODULE_PARM_DESC(buggy_sfn_workaround, "Enable work-around for buggy SFNs (default: 0)"); |
8f6956c7 | 29 | |
b6884a17 | 30 | #define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB3000MC/P:"); printk(args); printk("\n"); } } while (0) |
b7571f8d PB |
31 | |
32 | struct dib3000mc_state { | |
33 | struct dvb_frontend demod; | |
34 | struct dib3000mc_config *cfg; | |
35 | ||
36 | u8 i2c_addr; | |
37 | struct i2c_adapter *i2c_adap; | |
38 | ||
39 | struct dibx000_i2c_master i2c_master; | |
40 | ||
01b4bf31 PB |
41 | u32 timf; |
42 | ||
b7571f8d PB |
43 | fe_bandwidth_t current_bandwidth; |
44 | ||
45 | u16 dev_id; | |
8f6956c7 MD |
46 | |
47 | u8 sfn_workaround_active :1; | |
b7571f8d PB |
48 | }; |
49 | ||
50 | static u16 dib3000mc_read_word(struct dib3000mc_state *state, u16 reg) | |
51 | { | |
52 | u8 wb[2] = { (reg >> 8) | 0x80, reg & 0xff }; | |
53 | u8 rb[2]; | |
54 | struct i2c_msg msg[2] = { | |
55 | { .addr = state->i2c_addr >> 1, .flags = 0, .buf = wb, .len = 2 }, | |
56 | { .addr = state->i2c_addr >> 1, .flags = I2C_M_RD, .buf = rb, .len = 2 }, | |
57 | }; | |
58 | ||
59 | if (i2c_transfer(state->i2c_adap, msg, 2) != 2) | |
60 | dprintk("i2c read error on %d\n",reg); | |
61 | ||
62 | return (rb[0] << 8) | rb[1]; | |
63 | } | |
64 | ||
65 | static int dib3000mc_write_word(struct dib3000mc_state *state, u16 reg, u16 val) | |
66 | { | |
67 | u8 b[4] = { | |
68 | (reg >> 8) & 0xff, reg & 0xff, | |
69 | (val >> 8) & 0xff, val & 0xff, | |
70 | }; | |
71 | struct i2c_msg msg = { | |
72 | .addr = state->i2c_addr >> 1, .flags = 0, .buf = b, .len = 4 | |
73 | }; | |
74 | return i2c_transfer(state->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0; | |
75 | } | |
76 | ||
b7571f8d | 77 | static int dib3000mc_identify(struct dib3000mc_state *state) |
1da177e4 | 78 | { |
b7571f8d PB |
79 | u16 value; |
80 | if ((value = dib3000mc_read_word(state, 1025)) != 0x01b3) { | |
81 | dprintk("-E- DiB3000MC/P: wrong Vendor ID (read=0x%x)\n",value); | |
82 | return -EREMOTEIO; | |
83 | } | |
1da177e4 | 84 | |
b7571f8d PB |
85 | value = dib3000mc_read_word(state, 1026); |
86 | if (value != 0x3001 && value != 0x3002) { | |
87 | dprintk("-E- DiB3000MC/P: wrong Device ID (%x)\n",value); | |
88 | return -EREMOTEIO; | |
1da177e4 | 89 | } |
b7571f8d PB |
90 | state->dev_id = value; |
91 | ||
92 | dprintk("-I- found DiB3000MC/P: %x\n",state->dev_id); | |
93 | ||
94 | return 0; | |
95 | } | |
96 | ||
b6884a17 | 97 | static int dib3000mc_set_timing(struct dib3000mc_state *state, s16 nfft, u32 bw, u8 update_offset) |
b7571f8d | 98 | { |
01b4bf31 | 99 | u32 timf; |
b7571f8d | 100 | |
01b4bf31 PB |
101 | if (state->timf == 0) { |
102 | timf = 1384402; // default value for 8MHz | |
103 | if (update_offset) | |
104 | msleep(200); // first time we do an update | |
1da177e4 | 105 | } else |
01b4bf31 | 106 | timf = state->timf; |
1da177e4 | 107 | |
b6884a17 | 108 | timf *= (bw / 1000); |
1da177e4 | 109 | |
01b4bf31 PB |
110 | if (update_offset) { |
111 | s16 tim_offs = dib3000mc_read_word(state, 416); | |
112 | ||
113 | if (tim_offs & 0x2000) | |
114 | tim_offs -= 0x4000; | |
115 | ||
b6884a17 | 116 | if (nfft == TRANSMISSION_MODE_2K) |
01b4bf31 PB |
117 | tim_offs *= 4; |
118 | ||
119 | timf += tim_offs; | |
b6884a17 | 120 | state->timf = timf / (bw / 1000); |
01b4bf31 | 121 | } |
b7571f8d | 122 | |
01b4bf31 | 123 | dprintk("timf: %d\n", timf); |
1da177e4 | 124 | |
b6884a17 PB |
125 | dib3000mc_write_word(state, 23, (u16) (timf >> 16)); |
126 | dib3000mc_write_word(state, 24, (u16) (timf ) & 0xffff); | |
1da177e4 | 127 | |
1da177e4 LT |
128 | return 0; |
129 | } | |
130 | ||
01b4bf31 | 131 | static int dib3000mc_setup_pwm_state(struct dib3000mc_state *state) |
1da177e4 | 132 | { |
01b4bf31 | 133 | u16 reg_51, reg_52 = state->cfg->agc->setup & 0xfefb; |
b7571f8d | 134 | if (state->cfg->pwm3_inversion) { |
01b4bf31 PB |
135 | reg_51 = (2 << 14) | (0 << 10) | (7 << 6) | (2 << 2) | (2 << 0); |
136 | reg_52 |= (1 << 2); | |
1da177e4 | 137 | } else { |
01b4bf31 PB |
138 | reg_51 = (2 << 14) | (4 << 10) | (7 << 6) | (2 << 2) | (2 << 0); |
139 | reg_52 |= (1 << 8); | |
1da177e4 | 140 | } |
01b4bf31 PB |
141 | dib3000mc_write_word(state, 51, reg_51); |
142 | dib3000mc_write_word(state, 52, reg_52); | |
b7571f8d PB |
143 | |
144 | if (state->cfg->use_pwm3) | |
145 | dib3000mc_write_word(state, 245, (1 << 3) | (1 << 0)); | |
146 | else | |
147 | dib3000mc_write_word(state, 245, 0); | |
148 | ||
149 | dib3000mc_write_word(state, 1040, 0x3); | |
1da177e4 LT |
150 | return 0; |
151 | } | |
152 | ||
b7571f8d | 153 | static int dib3000mc_set_output_mode(struct dib3000mc_state *state, int mode) |
1da177e4 | 154 | { |
b7571f8d PB |
155 | int ret = 0; |
156 | u16 fifo_threshold = 1792; | |
157 | u16 outreg = 0; | |
158 | u16 outmode = 0; | |
159 | u16 elecout = 1; | |
fb6065bb | 160 | u16 smo_reg = dib3000mc_read_word(state, 206) & 0x0010; /* keep the pid_parse bit */ |
b7571f8d PB |
161 | |
162 | dprintk("-I- Setting output mode for demod %p to %d\n", | |
163 | &state->demod, mode); | |
164 | ||
165 | switch (mode) { | |
166 | case OUTMODE_HIGH_Z: // disable | |
167 | elecout = 0; | |
168 | break; | |
169 | case OUTMODE_MPEG2_PAR_GATED_CLK: // STBs with parallel gated clock | |
170 | outmode = 0; | |
171 | break; | |
172 | case OUTMODE_MPEG2_PAR_CONT_CLK: // STBs with parallel continues clock | |
173 | outmode = 1; | |
174 | break; | |
175 | case OUTMODE_MPEG2_SERIAL: // STBs with serial input | |
176 | outmode = 2; | |
177 | break; | |
178 | case OUTMODE_MPEG2_FIFO: // e.g. USB feeding | |
179 | elecout = 3; | |
180 | /*ADDR @ 206 : | |
181 | P_smo_error_discard [1;6:6] = 0 | |
182 | P_smo_rs_discard [1;5:5] = 0 | |
183 | P_smo_pid_parse [1;4:4] = 0 | |
184 | P_smo_fifo_flush [1;3:3] = 0 | |
185 | P_smo_mode [2;2:1] = 11 | |
186 | P_smo_ovf_prot [1;0:0] = 0 | |
187 | */ | |
fb6065bb | 188 | smo_reg |= 3 << 1; |
b7571f8d PB |
189 | fifo_threshold = 512; |
190 | outmode = 5; | |
191 | break; | |
192 | case OUTMODE_DIVERSITY: | |
193 | outmode = 4; | |
194 | elecout = 1; | |
1da177e4 LT |
195 | break; |
196 | default: | |
b7571f8d PB |
197 | dprintk("Unhandled output_mode passed to be set for demod %p\n",&state->demod); |
198 | outmode = 0; | |
1da177e4 LT |
199 | break; |
200 | } | |
b7571f8d PB |
201 | |
202 | if ((state->cfg->output_mpeg2_in_188_bytes)) | |
559463bb | 203 | smo_reg |= (1 << 5); // P_smo_rs_discard [1;5:5] = 1 |
b7571f8d PB |
204 | |
205 | outreg = dib3000mc_read_word(state, 244) & 0x07FF; | |
206 | outreg |= (outmode << 11); | |
207 | ret |= dib3000mc_write_word(state, 244, outreg); | |
208 | ret |= dib3000mc_write_word(state, 206, smo_reg); /*smo_ mode*/ | |
209 | ret |= dib3000mc_write_word(state, 207, fifo_threshold); /* synchronous fread */ | |
210 | ret |= dib3000mc_write_word(state, 1040, elecout); /* P_out_cfg */ | |
211 | return ret; | |
1da177e4 LT |
212 | } |
213 | ||
b6884a17 | 214 | static int dib3000mc_set_bandwidth(struct dib3000mc_state *state, u32 bw) |
1da177e4 | 215 | { |
b7571f8d PB |
216 | u16 bw_cfg[6] = { 0 }; |
217 | u16 imp_bw_cfg[3] = { 0 }; | |
218 | u16 reg; | |
1da177e4 | 219 | |
b7571f8d PB |
220 | /* settings here are for 27.7MHz */ |
221 | switch (bw) { | |
b6884a17 | 222 | case 8000: |
b7571f8d PB |
223 | bw_cfg[0] = 0x0019; bw_cfg[1] = 0x5c30; bw_cfg[2] = 0x0054; bw_cfg[3] = 0x88a0; bw_cfg[4] = 0x01a6; bw_cfg[5] = 0xab20; |
224 | imp_bw_cfg[0] = 0x04db; imp_bw_cfg[1] = 0x00db; imp_bw_cfg[2] = 0x00b7; | |
225 | break; | |
1da177e4 | 226 | |
b6884a17 | 227 | case 7000: |
b7571f8d PB |
228 | bw_cfg[0] = 0x001c; bw_cfg[1] = 0xfba5; bw_cfg[2] = 0x0060; bw_cfg[3] = 0x9c25; bw_cfg[4] = 0x01e3; bw_cfg[5] = 0x0cb7; |
229 | imp_bw_cfg[0] = 0x04c0; imp_bw_cfg[1] = 0x00c0; imp_bw_cfg[2] = 0x00a0; | |
230 | break; | |
1da177e4 | 231 | |
b6884a17 | 232 | case 6000: |
b7571f8d PB |
233 | bw_cfg[0] = 0x0021; bw_cfg[1] = 0xd040; bw_cfg[2] = 0x0070; bw_cfg[3] = 0xb62b; bw_cfg[4] = 0x0233; bw_cfg[5] = 0x8ed5; |
234 | imp_bw_cfg[0] = 0x04a5; imp_bw_cfg[1] = 0x00a5; imp_bw_cfg[2] = 0x0089; | |
1da177e4 | 235 | break; |
b7571f8d | 236 | |
b6884a17 | 237 | case 5000: |
b7571f8d PB |
238 | bw_cfg[0] = 0x0028; bw_cfg[1] = 0x9380; bw_cfg[2] = 0x0087; bw_cfg[3] = 0x4100; bw_cfg[4] = 0x02a4; bw_cfg[5] = 0x4500; |
239 | imp_bw_cfg[0] = 0x0489; imp_bw_cfg[1] = 0x0089; imp_bw_cfg[2] = 0x0072; | |
1da177e4 | 240 | break; |
b7571f8d PB |
241 | |
242 | default: return -EINVAL; | |
1da177e4 LT |
243 | } |
244 | ||
b7571f8d PB |
245 | for (reg = 6; reg < 12; reg++) |
246 | dib3000mc_write_word(state, reg, bw_cfg[reg - 6]); | |
247 | dib3000mc_write_word(state, 12, 0x0000); | |
248 | dib3000mc_write_word(state, 13, 0x03e8); | |
249 | dib3000mc_write_word(state, 14, 0x0000); | |
250 | dib3000mc_write_word(state, 15, 0x03f2); | |
251 | dib3000mc_write_word(state, 16, 0x0001); | |
252 | dib3000mc_write_word(state, 17, 0xb0d0); | |
253 | // P_sec_len | |
254 | dib3000mc_write_word(state, 18, 0x0393); | |
255 | dib3000mc_write_word(state, 19, 0x8700); | |
1da177e4 | 256 | |
b7571f8d PB |
257 | for (reg = 55; reg < 58; reg++) |
258 | dib3000mc_write_word(state, reg, imp_bw_cfg[reg - 55]); | |
1da177e4 | 259 | |
b7571f8d | 260 | // Timing configuration |
b6884a17 | 261 | dib3000mc_set_timing(state, TRANSMISSION_MODE_2K, bw, 0); |
1da177e4 | 262 | |
b7571f8d PB |
263 | return 0; |
264 | } | |
1da177e4 | 265 | |
b7571f8d | 266 | static u16 impulse_noise_val[29] = |
1da177e4 | 267 | |
b7571f8d PB |
268 | { |
269 | 0x38, 0x6d9, 0x3f28, 0x7a7, 0x3a74, 0x196, 0x32a, 0x48c, 0x3ffe, 0x7f3, | |
270 | 0x2d94, 0x76, 0x53d, 0x3ff8, 0x7e3, 0x3320, 0x76, 0x5b3, 0x3feb, 0x7d2, | |
271 | 0x365e, 0x76, 0x48c, 0x3ffe, 0x5b3, 0x3feb, 0x76, 0x0000, 0xd | |
272 | }; | |
1da177e4 | 273 | |
b7571f8d PB |
274 | static void dib3000mc_set_impulse_noise(struct dib3000mc_state *state, u8 mode, s16 nfft) |
275 | { | |
276 | u16 i; | |
277 | for (i = 58; i < 87; i++) | |
278 | dib3000mc_write_word(state, i, impulse_noise_val[i-58]); | |
279 | ||
b6884a17 | 280 | if (nfft == TRANSMISSION_MODE_8K) { |
b7571f8d PB |
281 | dib3000mc_write_word(state, 58, 0x3b); |
282 | dib3000mc_write_word(state, 84, 0x00); | |
283 | dib3000mc_write_word(state, 85, 0x8200); | |
1da177e4 LT |
284 | } |
285 | ||
b7571f8d PB |
286 | dib3000mc_write_word(state, 34, 0x1294); |
287 | dib3000mc_write_word(state, 35, 0x1ff8); | |
288 | if (mode == 1) | |
289 | dib3000mc_write_word(state, 55, dib3000mc_read_word(state, 55) | (1 << 10)); | |
290 | } | |
291 | ||
292 | static int dib3000mc_init(struct dvb_frontend *demod) | |
293 | { | |
294 | struct dib3000mc_state *state = demod->demodulator_priv; | |
295 | struct dibx000_agc_config *agc = state->cfg->agc; | |
296 | ||
297 | // Restart Configuration | |
298 | dib3000mc_write_word(state, 1027, 0x8000); | |
299 | dib3000mc_write_word(state, 1027, 0x0000); | |
300 | ||
301 | // power up the demod + mobility configuration | |
302 | dib3000mc_write_word(state, 140, 0x0000); | |
303 | dib3000mc_write_word(state, 1031, 0); | |
304 | ||
305 | if (state->cfg->mobile_mode) { | |
306 | dib3000mc_write_word(state, 139, 0x0000); | |
307 | dib3000mc_write_word(state, 141, 0x0000); | |
308 | dib3000mc_write_word(state, 175, 0x0002); | |
309 | dib3000mc_write_word(state, 1032, 0x0000); | |
1da177e4 | 310 | } else { |
b7571f8d PB |
311 | dib3000mc_write_word(state, 139, 0x0001); |
312 | dib3000mc_write_word(state, 141, 0x0000); | |
313 | dib3000mc_write_word(state, 175, 0x0000); | |
314 | dib3000mc_write_word(state, 1032, 0x012C); | |
1da177e4 | 315 | } |
303cbeaa | 316 | dib3000mc_write_word(state, 1033, 0x0000); |
1da177e4 | 317 | |
b7571f8d | 318 | // P_clk_cfg |
303cbeaa | 319 | dib3000mc_write_word(state, 1037, 0x3130); |
1da177e4 | 320 | |
b7571f8d | 321 | // other configurations |
1da177e4 | 322 | |
b7571f8d PB |
323 | // P_ctrl_sfreq |
324 | dib3000mc_write_word(state, 33, (5 << 0)); | |
325 | dib3000mc_write_word(state, 88, (1 << 10) | (0x10 << 0)); | |
1da177e4 | 326 | |
b7571f8d PB |
327 | // Phase noise control |
328 | // P_fft_phacor_inh, P_fft_phacor_cpe, P_fft_powrange | |
329 | dib3000mc_write_word(state, 99, (1 << 9) | (0x20 << 0)); | |
1da177e4 | 330 | |
b7571f8d PB |
331 | if (state->cfg->phase_noise_mode == 0) |
332 | dib3000mc_write_word(state, 111, 0x00); | |
333 | else | |
334 | dib3000mc_write_word(state, 111, 0x02); | |
335 | ||
336 | // P_agc_global | |
337 | dib3000mc_write_word(state, 50, 0x8000); | |
338 | ||
339 | // agc setup misc | |
01b4bf31 | 340 | dib3000mc_setup_pwm_state(state); |
b7571f8d PB |
341 | |
342 | // P_agc_counter_lock | |
343 | dib3000mc_write_word(state, 53, 0x87); | |
344 | // P_agc_counter_unlock | |
345 | dib3000mc_write_word(state, 54, 0x87); | |
346 | ||
347 | /* agc */ | |
348 | dib3000mc_write_word(state, 36, state->cfg->max_time); | |
5570dd02 | 349 | dib3000mc_write_word(state, 37, (state->cfg->agc_command1 << 13) | (state->cfg->agc_command2 << 12) | (0x1d << 0)); |
b7571f8d PB |
350 | dib3000mc_write_word(state, 38, state->cfg->pwm3_value); |
351 | dib3000mc_write_word(state, 39, state->cfg->ln_adc_level); | |
352 | ||
353 | // set_agc_loop_Bw | |
354 | dib3000mc_write_word(state, 40, 0x0179); | |
355 | dib3000mc_write_word(state, 41, 0x03f0); | |
356 | ||
357 | dib3000mc_write_word(state, 42, agc->agc1_max); | |
358 | dib3000mc_write_word(state, 43, agc->agc1_min); | |
359 | dib3000mc_write_word(state, 44, agc->agc2_max); | |
360 | dib3000mc_write_word(state, 45, agc->agc2_min); | |
361 | dib3000mc_write_word(state, 46, (agc->agc1_pt1 << 8) | agc->agc1_pt2); | |
362 | dib3000mc_write_word(state, 47, (agc->agc1_slope1 << 8) | agc->agc1_slope2); | |
363 | dib3000mc_write_word(state, 48, (agc->agc2_pt1 << 8) | agc->agc2_pt2); | |
364 | dib3000mc_write_word(state, 49, (agc->agc2_slope1 << 8) | agc->agc2_slope2); | |
365 | ||
366 | // Begin: TimeOut registers | |
367 | // P_pha3_thres | |
368 | dib3000mc_write_word(state, 110, 3277); | |
369 | // P_timf_alpha = 6, P_corm_alpha = 6, P_corm_thres = 0x80 | |
370 | dib3000mc_write_word(state, 26, 0x6680); | |
371 | // lock_mask0 | |
372 | dib3000mc_write_word(state, 1, 4); | |
373 | // lock_mask1 | |
374 | dib3000mc_write_word(state, 2, 4); | |
375 | // lock_mask2 | |
376 | dib3000mc_write_word(state, 3, 0x1000); | |
377 | // P_search_maxtrial=1 | |
378 | dib3000mc_write_word(state, 5, 1); | |
379 | ||
b6884a17 | 380 | dib3000mc_set_bandwidth(state, 8000); |
b7571f8d PB |
381 | |
382 | // div_lock_mask | |
383 | dib3000mc_write_word(state, 4, 0x814); | |
384 | ||
385 | dib3000mc_write_word(state, 21, (1 << 9) | 0x164); | |
386 | dib3000mc_write_word(state, 22, 0x463d); | |
387 | ||
388 | // Spurious rm cfg | |
389 | // P_cspu_regul, P_cspu_win_cut | |
390 | dib3000mc_write_word(state, 120, 0x200f); | |
391 | // P_adp_selec_monit | |
392 | dib3000mc_write_word(state, 134, 0); | |
393 | ||
394 | // Fec cfg | |
395 | dib3000mc_write_word(state, 195, 0x10); | |
396 | ||
397 | // diversity register: P_dvsy_sync_wait.. | |
398 | dib3000mc_write_word(state, 180, 0x2FF0); | |
399 | ||
400 | // Impulse noise configuration | |
b6884a17 | 401 | dib3000mc_set_impulse_noise(state, 0, TRANSMISSION_MODE_8K); |
b7571f8d PB |
402 | |
403 | // output mode set-up | |
404 | dib3000mc_set_output_mode(state, OUTMODE_HIGH_Z); | |
405 | ||
406 | /* close the i2c-gate */ | |
407 | dib3000mc_write_word(state, 769, (1 << 7) ); | |
1da177e4 | 408 | |
b7571f8d PB |
409 | return 0; |
410 | } | |
1da177e4 | 411 | |
b7571f8d PB |
412 | static int dib3000mc_sleep(struct dvb_frontend *demod) |
413 | { | |
414 | struct dib3000mc_state *state = demod->demodulator_priv; | |
1da177e4 | 415 | |
b7571f8d PB |
416 | dib3000mc_write_word(state, 1031, 0xFFFF); |
417 | dib3000mc_write_word(state, 1032, 0xFFFF); | |
303cbeaa | 418 | dib3000mc_write_word(state, 1033, 0xFFF0); |
1da177e4 | 419 | |
b7571f8d PB |
420 | return 0; |
421 | } | |
1da177e4 | 422 | |
b7571f8d PB |
423 | static void dib3000mc_set_adp_cfg(struct dib3000mc_state *state, s16 qam) |
424 | { | |
425 | u16 cfg[4] = { 0 },reg; | |
426 | switch (qam) { | |
b6884a17 | 427 | case QPSK: |
b7571f8d PB |
428 | cfg[0] = 0x099a; cfg[1] = 0x7fae; cfg[2] = 0x0333; cfg[3] = 0x7ff0; |
429 | break; | |
b6884a17 | 430 | case QAM_16: |
b7571f8d PB |
431 | cfg[0] = 0x023d; cfg[1] = 0x7fdf; cfg[2] = 0x00a4; cfg[3] = 0x7ff0; |
432 | break; | |
b6884a17 | 433 | case QAM_64: |
b7571f8d PB |
434 | cfg[0] = 0x0148; cfg[1] = 0x7ff0; cfg[2] = 0x00a4; cfg[3] = 0x7ff8; |
435 | break; | |
1da177e4 | 436 | } |
b7571f8d PB |
437 | for (reg = 129; reg < 133; reg++) |
438 | dib3000mc_write_word(state, reg, cfg[reg - 129]); | |
1da177e4 LT |
439 | } |
440 | ||
b6884a17 | 441 | static void dib3000mc_set_channel_cfg(struct dib3000mc_state *state, struct dvb_frontend_parameters *ch, u16 seq) |
1da177e4 | 442 | { |
b6884a17 PB |
443 | u16 value; |
444 | dib3000mc_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth)); | |
445 | dib3000mc_set_timing(state, ch->u.ofdm.transmission_mode, BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth), 0); | |
1da177e4 | 446 | |
b7571f8d PB |
447 | // if (boost) |
448 | // dib3000mc_write_word(state, 100, (11 << 6) + 6); | |
449 | // else | |
450 | dib3000mc_write_word(state, 100, (16 << 6) + 9); | |
1da177e4 | 451 | |
b7571f8d PB |
452 | dib3000mc_write_word(state, 1027, 0x0800); |
453 | dib3000mc_write_word(state, 1027, 0x0000); | |
1da177e4 | 454 | |
b7571f8d PB |
455 | //Default cfg isi offset adp |
456 | dib3000mc_write_word(state, 26, 0x6680); | |
457 | dib3000mc_write_word(state, 29, 0x1273); | |
458 | dib3000mc_write_word(state, 33, 5); | |
b6884a17 | 459 | dib3000mc_set_adp_cfg(state, QAM_16); |
b7571f8d | 460 | dib3000mc_write_word(state, 133, 15564); |
1da177e4 | 461 | |
b7571f8d PB |
462 | dib3000mc_write_word(state, 12 , 0x0); |
463 | dib3000mc_write_word(state, 13 , 0x3e8); | |
464 | dib3000mc_write_word(state, 14 , 0x0); | |
465 | dib3000mc_write_word(state, 15 , 0x3f2); | |
1da177e4 | 466 | |
b7571f8d PB |
467 | dib3000mc_write_word(state, 93,0); |
468 | dib3000mc_write_word(state, 94,0); | |
469 | dib3000mc_write_word(state, 95,0); | |
470 | dib3000mc_write_word(state, 96,0); | |
471 | dib3000mc_write_word(state, 97,0); | |
472 | dib3000mc_write_word(state, 98,0); | |
1da177e4 | 473 | |
b6884a17 | 474 | dib3000mc_set_impulse_noise(state, 0, ch->u.ofdm.transmission_mode); |
e4d6c1f7 | 475 | |
b6884a17 PB |
476 | value = 0; |
477 | switch (ch->u.ofdm.transmission_mode) { | |
478 | case TRANSMISSION_MODE_2K: value |= (0 << 7); break; | |
479 | default: | |
480 | case TRANSMISSION_MODE_8K: value |= (1 << 7); break; | |
481 | } | |
482 | switch (ch->u.ofdm.guard_interval) { | |
483 | case GUARD_INTERVAL_1_32: value |= (0 << 5); break; | |
484 | case GUARD_INTERVAL_1_16: value |= (1 << 5); break; | |
485 | case GUARD_INTERVAL_1_4: value |= (3 << 5); break; | |
486 | default: | |
487 | case GUARD_INTERVAL_1_8: value |= (2 << 5); break; | |
488 | } | |
489 | switch (ch->u.ofdm.constellation) { | |
490 | case QPSK: value |= (0 << 3); break; | |
491 | case QAM_16: value |= (1 << 3); break; | |
492 | default: | |
493 | case QAM_64: value |= (2 << 3); break; | |
494 | } | |
495 | switch (HIERARCHY_1) { | |
496 | case HIERARCHY_2: value |= 2; break; | |
497 | case HIERARCHY_4: value |= 4; break; | |
498 | default: | |
499 | case HIERARCHY_1: value |= 1; break; | |
500 | } | |
501 | dib3000mc_write_word(state, 0, value); | |
e3ab2fdd | 502 | dib3000mc_write_word(state, 5, (1 << 8) | ((seq & 0xf) << 4)); |
1da177e4 | 503 | |
b6884a17 PB |
504 | value = 0; |
505 | if (ch->u.ofdm.hierarchy_information == 1) | |
506 | value |= (1 << 4); | |
507 | if (1 == 1) | |
508 | value |= 1; | |
509 | switch ((ch->u.ofdm.hierarchy_information == 0 || 1 == 1) ? ch->u.ofdm.code_rate_HP : ch->u.ofdm.code_rate_LP) { | |
510 | case FEC_2_3: value |= (2 << 1); break; | |
511 | case FEC_3_4: value |= (3 << 1); break; | |
512 | case FEC_5_6: value |= (5 << 1); break; | |
513 | case FEC_7_8: value |= (7 << 1); break; | |
514 | default: | |
515 | case FEC_1_2: value |= (1 << 1); break; | |
516 | } | |
517 | dib3000mc_write_word(state, 181, value); | |
1da177e4 | 518 | |
b6884a17 PB |
519 | // diversity synchro delay add 50% SFN margin |
520 | switch (ch->u.ofdm.transmission_mode) { | |
521 | case TRANSMISSION_MODE_8K: value = 256; break; | |
522 | case TRANSMISSION_MODE_2K: | |
523 | default: value = 64; break; | |
524 | } | |
525 | switch (ch->u.ofdm.guard_interval) { | |
526 | case GUARD_INTERVAL_1_16: value *= 2; break; | |
527 | case GUARD_INTERVAL_1_8: value *= 4; break; | |
528 | case GUARD_INTERVAL_1_4: value *= 8; break; | |
529 | default: | |
530 | case GUARD_INTERVAL_1_32: value *= 1; break; | |
531 | } | |
532 | value <<= 4; | |
533 | value |= dib3000mc_read_word(state, 180) & 0x000f; | |
534 | dib3000mc_write_word(state, 180, value); | |
1da177e4 | 535 | |
b7571f8d | 536 | // restart demod |
b6884a17 PB |
537 | value = dib3000mc_read_word(state, 0); |
538 | dib3000mc_write_word(state, 0, value | (1 << 9)); | |
539 | dib3000mc_write_word(state, 0, value); | |
1da177e4 | 540 | |
b7571f8d | 541 | msleep(30); |
1da177e4 | 542 | |
b6884a17 | 543 | dib3000mc_set_impulse_noise(state, state->cfg->impulse_noise_mode, ch->u.ofdm.transmission_mode); |
b7571f8d | 544 | } |
1da177e4 | 545 | |
b6884a17 | 546 | static int dib3000mc_autosearch_start(struct dvb_frontend *demod, struct dvb_frontend_parameters *chan) |
b7571f8d PB |
547 | { |
548 | struct dib3000mc_state *state = demod->demodulator_priv; | |
549 | u16 reg; | |
550 | // u32 val; | |
b6884a17 | 551 | struct dvb_frontend_parameters schan; |
1da177e4 | 552 | |
b6884a17 | 553 | schan = *chan; |
1da177e4 | 554 | |
b6884a17 | 555 | /* TODO what is that ? */ |
1da177e4 | 556 | |
b7571f8d | 557 | /* a channel for autosearch */ |
b6884a17 PB |
558 | schan.u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; |
559 | schan.u.ofdm.guard_interval = GUARD_INTERVAL_1_32; | |
560 | schan.u.ofdm.constellation = QAM_64; | |
561 | schan.u.ofdm.code_rate_HP = FEC_2_3; | |
562 | schan.u.ofdm.code_rate_LP = FEC_2_3; | |
563 | schan.u.ofdm.hierarchy_information = 0; | |
1da177e4 | 564 | |
b6884a17 | 565 | dib3000mc_set_channel_cfg(state, &schan, 11); |
1da177e4 | 566 | |
b7571f8d PB |
567 | reg = dib3000mc_read_word(state, 0); |
568 | dib3000mc_write_word(state, 0, reg | (1 << 8)); | |
01b4bf31 | 569 | dib3000mc_read_word(state, 511); |
b7571f8d | 570 | dib3000mc_write_word(state, 0, reg); |
1da177e4 | 571 | |
b7571f8d PB |
572 | return 0; |
573 | } | |
1da177e4 | 574 | |
b7571f8d PB |
575 | static int dib3000mc_autosearch_is_irq(struct dvb_frontend *demod) |
576 | { | |
577 | struct dib3000mc_state *state = demod->demodulator_priv; | |
578 | u16 irq_pending = dib3000mc_read_word(state, 511); | |
1da177e4 | 579 | |
b7571f8d PB |
580 | if (irq_pending & 0x1) // failed |
581 | return 1; | |
1da177e4 | 582 | |
b7571f8d PB |
583 | if (irq_pending & 0x2) // succeeded |
584 | return 2; | |
a16bf5d5 | 585 | |
b7571f8d | 586 | return 0; // still pending |
1da177e4 | 587 | } |
b7571f8d | 588 | |
b6884a17 | 589 | static int dib3000mc_tune(struct dvb_frontend *demod, struct dvb_frontend_parameters *ch) |
1da177e4 | 590 | { |
b7571f8d | 591 | struct dib3000mc_state *state = demod->demodulator_priv; |
1da177e4 | 592 | |
b7571f8d PB |
593 | // ** configure demod ** |
594 | dib3000mc_set_channel_cfg(state, ch, 0); | |
595 | ||
596 | // activates isi | |
8f6956c7 MD |
597 | if (state->sfn_workaround_active) { |
598 | dprintk("SFN workaround is active\n"); | |
599 | dib3000mc_write_word(state, 29, 0x1273); | |
600 | dib3000mc_write_word(state, 108, 0x4000); // P_pha3_force_pha_shift | |
601 | } else { | |
602 | dib3000mc_write_word(state, 29, 0x1073); | |
603 | dib3000mc_write_word(state, 108, 0x0000); // P_pha3_force_pha_shift | |
604 | } | |
1da177e4 | 605 | |
01373a5c | 606 | dib3000mc_set_adp_cfg(state, (u8)ch->u.ofdm.constellation); |
b6884a17 | 607 | if (ch->u.ofdm.transmission_mode == TRANSMISSION_MODE_8K) { |
b7571f8d PB |
608 | dib3000mc_write_word(state, 26, 38528); |
609 | dib3000mc_write_word(state, 33, 8); | |
610 | } else { | |
611 | dib3000mc_write_word(state, 26, 30336); | |
612 | dib3000mc_write_word(state, 33, 6); | |
613 | } | |
614 | ||
01b4bf31 | 615 | if (dib3000mc_read_word(state, 509) & 0x80) |
b6884a17 | 616 | dib3000mc_set_timing(state, ch->u.ofdm.transmission_mode, BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth), 1); |
1da177e4 LT |
617 | |
618 | return 0; | |
619 | } | |
620 | ||
b7571f8d | 621 | struct i2c_adapter * dib3000mc_get_tuner_i2c_master(struct dvb_frontend *demod, int gating) |
1da177e4 | 622 | { |
b7571f8d PB |
623 | struct dib3000mc_state *st = demod->demodulator_priv; |
624 | return dibx000_get_i2c_adapter(&st->i2c_master, DIBX000_I2C_INTERFACE_TUNER, gating); | |
1da177e4 LT |
625 | } |
626 | ||
b7571f8d PB |
627 | EXPORT_SYMBOL(dib3000mc_get_tuner_i2c_master); |
628 | ||
629 | static int dib3000mc_get_frontend(struct dvb_frontend* fe, | |
630 | struct dvb_frontend_parameters *fep) | |
1da177e4 | 631 | { |
b7571f8d PB |
632 | struct dib3000mc_state *state = fe->demodulator_priv; |
633 | u16 tps = dib3000mc_read_word(state,458); | |
1da177e4 | 634 | |
b7571f8d PB |
635 | fep->inversion = INVERSION_AUTO; |
636 | ||
637 | fep->u.ofdm.bandwidth = state->current_bandwidth; | |
638 | ||
639 | switch ((tps >> 8) & 0x1) { | |
640 | case 0: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K; break; | |
641 | case 1: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; break; | |
642 | } | |
643 | ||
644 | switch (tps & 0x3) { | |
645 | case 0: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_32; break; | |
646 | case 1: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_16; break; | |
647 | case 2: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_8; break; | |
648 | case 3: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_4; break; | |
649 | } | |
650 | ||
651 | switch ((tps >> 13) & 0x3) { | |
652 | case 0: fep->u.ofdm.constellation = QPSK; break; | |
653 | case 1: fep->u.ofdm.constellation = QAM_16; break; | |
654 | case 2: | |
655 | default: fep->u.ofdm.constellation = QAM_64; break; | |
656 | } | |
657 | ||
658 | /* as long as the frontend_param structure is fixed for hierarchical transmission I refuse to use it */ | |
659 | /* (tps >> 12) & 0x1 == hrch is used, (tps >> 9) & 0x7 == alpha */ | |
660 | ||
661 | fep->u.ofdm.hierarchy_information = HIERARCHY_NONE; | |
662 | switch ((tps >> 5) & 0x7) { | |
663 | case 1: fep->u.ofdm.code_rate_HP = FEC_1_2; break; | |
664 | case 2: fep->u.ofdm.code_rate_HP = FEC_2_3; break; | |
665 | case 3: fep->u.ofdm.code_rate_HP = FEC_3_4; break; | |
666 | case 5: fep->u.ofdm.code_rate_HP = FEC_5_6; break; | |
667 | case 7: | |
668 | default: fep->u.ofdm.code_rate_HP = FEC_7_8; break; | |
669 | ||
670 | } | |
671 | ||
672 | switch ((tps >> 2) & 0x7) { | |
673 | case 1: fep->u.ofdm.code_rate_LP = FEC_1_2; break; | |
674 | case 2: fep->u.ofdm.code_rate_LP = FEC_2_3; break; | |
675 | case 3: fep->u.ofdm.code_rate_LP = FEC_3_4; break; | |
676 | case 5: fep->u.ofdm.code_rate_LP = FEC_5_6; break; | |
677 | case 7: | |
678 | default: fep->u.ofdm.code_rate_LP = FEC_7_8; break; | |
679 | } | |
1da177e4 | 680 | |
1da177e4 LT |
681 | return 0; |
682 | } | |
683 | ||
b7571f8d PB |
684 | static int dib3000mc_set_frontend(struct dvb_frontend* fe, |
685 | struct dvb_frontend_parameters *fep) | |
1da177e4 | 686 | { |
b7571f8d | 687 | struct dib3000mc_state *state = fe->demodulator_priv; |
853ea132 SM |
688 | int ret; |
689 | ||
690 | dib3000mc_set_output_mode(state, OUTMODE_HIGH_Z); | |
b7571f8d | 691 | |
b7571f8d | 692 | state->current_bandwidth = fep->u.ofdm.bandwidth; |
b6884a17 | 693 | dib3000mc_set_bandwidth(state, BANDWIDTH_TO_KHZ(fep->u.ofdm.bandwidth)); |
b7571f8d | 694 | |
8f6956c7 MD |
695 | /* maybe the parameter has been changed */ |
696 | state->sfn_workaround_active = buggy_sfn_workaround; | |
697 | ||
b7571f8d | 698 | if (fe->ops.tuner_ops.set_params) { |
14d24d14 | 699 | fe->ops.tuner_ops.set_params(fe); |
b7571f8d PB |
700 | msleep(100); |
701 | } | |
702 | ||
703 | if (fep->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO || | |
704 | fep->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO || | |
705 | fep->u.ofdm.constellation == QAM_AUTO || | |
706 | fep->u.ofdm.code_rate_HP == FEC_AUTO) { | |
3a0311c6 | 707 | int i = 1000, found; |
b7571f8d | 708 | |
b6884a17 | 709 | dib3000mc_autosearch_start(fe, fep); |
b7571f8d PB |
710 | do { |
711 | msleep(1); | |
712 | found = dib3000mc_autosearch_is_irq(fe); | |
713 | } while (found == 0 && i--); | |
714 | ||
715 | dprintk("autosearch returns: %d\n",found); | |
716 | if (found == 0 || found == 1) | |
717 | return 0; // no channel found | |
718 | ||
719 | dib3000mc_get_frontend(fe, fep); | |
b7571f8d PB |
720 | } |
721 | ||
853ea132 SM |
722 | ret = dib3000mc_tune(fe, fep); |
723 | ||
b7571f8d PB |
724 | /* make this a config parameter */ |
725 | dib3000mc_set_output_mode(state, OUTMODE_MPEG2_FIFO); | |
853ea132 | 726 | return ret; |
1da177e4 LT |
727 | } |
728 | ||
b7571f8d | 729 | static int dib3000mc_read_status(struct dvb_frontend *fe, fe_status_t *stat) |
1da177e4 | 730 | { |
b7571f8d PB |
731 | struct dib3000mc_state *state = fe->demodulator_priv; |
732 | u16 lock = dib3000mc_read_word(state, 509); | |
733 | ||
734 | *stat = 0; | |
735 | ||
736 | if (lock & 0x8000) | |
737 | *stat |= FE_HAS_SIGNAL; | |
738 | if (lock & 0x3000) | |
739 | *stat |= FE_HAS_CARRIER; | |
740 | if (lock & 0x0100) | |
741 | *stat |= FE_HAS_VITERBI; | |
742 | if (lock & 0x0010) | |
743 | *stat |= FE_HAS_SYNC; | |
744 | if (lock & 0x0008) | |
745 | *stat |= FE_HAS_LOCK; | |
746 | ||
1da177e4 LT |
747 | return 0; |
748 | } | |
749 | ||
b7571f8d | 750 | static int dib3000mc_read_ber(struct dvb_frontend *fe, u32 *ber) |
1da177e4 | 751 | { |
b7571f8d PB |
752 | struct dib3000mc_state *state = fe->demodulator_priv; |
753 | *ber = (dib3000mc_read_word(state, 500) << 16) | dib3000mc_read_word(state, 501); | |
754 | return 0; | |
1da177e4 LT |
755 | } |
756 | ||
b7571f8d | 757 | static int dib3000mc_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) |
1da177e4 | 758 | { |
b7571f8d PB |
759 | struct dib3000mc_state *state = fe->demodulator_priv; |
760 | *unc = dib3000mc_read_word(state, 508); | |
761 | return 0; | |
1da177e4 LT |
762 | } |
763 | ||
b7571f8d | 764 | static int dib3000mc_read_signal_strength(struct dvb_frontend *fe, u16 *strength) |
1da177e4 | 765 | { |
b7571f8d PB |
766 | struct dib3000mc_state *state = fe->demodulator_priv; |
767 | u16 val = dib3000mc_read_word(state, 392); | |
768 | *strength = 65535 - val; | |
769 | return 0; | |
1da177e4 LT |
770 | } |
771 | ||
b7571f8d | 772 | static int dib3000mc_read_snr(struct dvb_frontend* fe, u16 *snr) |
1da177e4 | 773 | { |
b7571f8d | 774 | *snr = 0x0000; |
1da177e4 LT |
775 | return 0; |
776 | } | |
777 | ||
b7571f8d | 778 | static int dib3000mc_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) |
1da177e4 | 779 | { |
b7571f8d | 780 | tune->min_delay_ms = 1000; |
1da177e4 LT |
781 | return 0; |
782 | } | |
783 | ||
b7571f8d | 784 | static void dib3000mc_release(struct dvb_frontend *fe) |
1da177e4 | 785 | { |
b7571f8d PB |
786 | struct dib3000mc_state *state = fe->demodulator_priv; |
787 | dibx000_exit_i2c_master(&state->i2c_master); | |
788 | kfree(state); | |
1da177e4 LT |
789 | } |
790 | ||
b7571f8d | 791 | int dib3000mc_pid_control(struct dvb_frontend *fe, int index, int pid,int onoff) |
1da177e4 | 792 | { |
b7571f8d PB |
793 | struct dib3000mc_state *state = fe->demodulator_priv; |
794 | dib3000mc_write_word(state, 212 + index, onoff ? (1 << 13) | pid : 0); | |
1da177e4 LT |
795 | return 0; |
796 | } | |
b7571f8d | 797 | EXPORT_SYMBOL(dib3000mc_pid_control); |
1da177e4 | 798 | |
b7571f8d | 799 | int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff) |
1da177e4 | 800 | { |
b7571f8d PB |
801 | struct dib3000mc_state *state = fe->demodulator_priv; |
802 | u16 tmp = dib3000mc_read_word(state, 206) & ~(1 << 4); | |
803 | tmp |= (onoff << 4); | |
804 | return dib3000mc_write_word(state, 206, tmp); | |
1da177e4 | 805 | } |
b7571f8d | 806 | EXPORT_SYMBOL(dib3000mc_pid_parse); |
1da177e4 | 807 | |
b7571f8d | 808 | void dib3000mc_set_config(struct dvb_frontend *fe, struct dib3000mc_config *cfg) |
e4d6c1f7 | 809 | { |
b7571f8d PB |
810 | struct dib3000mc_state *state = fe->demodulator_priv; |
811 | state->cfg = cfg; | |
e4d6c1f7 | 812 | } |
b7571f8d | 813 | EXPORT_SYMBOL(dib3000mc_set_config); |
1da177e4 | 814 | |
136cafbf | 815 | int dib3000mc_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib3000mc_config cfg[]) |
1da177e4 | 816 | { |
0de8e353 | 817 | struct dib3000mc_state *dmcst; |
136cafbf PB |
818 | int k; |
819 | u8 new_addr; | |
1da177e4 | 820 | |
136cafbf | 821 | static u8 DIB3000MC_I2C_ADDRESS[] = {20,22,24,26}; |
1da177e4 | 822 | |
0de8e353 RD |
823 | dmcst = kzalloc(sizeof(struct dib3000mc_state), GFP_KERNEL); |
824 | if (dmcst == NULL) | |
febe2ea1 | 825 | return -ENOMEM; |
0de8e353 RD |
826 | |
827 | dmcst->i2c_adap = i2c; | |
828 | ||
136cafbf | 829 | for (k = no_of_demods-1; k >= 0; k--) { |
0de8e353 | 830 | dmcst->cfg = &cfg[k]; |
1da177e4 | 831 | |
136cafbf PB |
832 | /* designated i2c address */ |
833 | new_addr = DIB3000MC_I2C_ADDRESS[k]; | |
0de8e353 RD |
834 | dmcst->i2c_addr = new_addr; |
835 | if (dib3000mc_identify(dmcst) != 0) { | |
836 | dmcst->i2c_addr = default_addr; | |
837 | if (dib3000mc_identify(dmcst) != 0) { | |
136cafbf | 838 | dprintk("-E- DiB3000P/MC #%d: not identified\n", k); |
0de8e353 | 839 | kfree(dmcst); |
136cafbf PB |
840 | return -ENODEV; |
841 | } | |
842 | } | |
1da177e4 | 843 | |
0de8e353 | 844 | dib3000mc_set_output_mode(dmcst, OUTMODE_MPEG2_PAR_CONT_CLK); |
1da177e4 | 845 | |
136cafbf | 846 | // set new i2c address and force divstr (Bit 1) to value 0 (Bit 0) |
0de8e353 RD |
847 | dib3000mc_write_word(dmcst, 1024, (new_addr << 3) | 0x1); |
848 | dmcst->i2c_addr = new_addr; | |
b7571f8d | 849 | } |
1da177e4 | 850 | |
136cafbf | 851 | for (k = 0; k < no_of_demods; k++) { |
0de8e353 RD |
852 | dmcst->cfg = &cfg[k]; |
853 | dmcst->i2c_addr = DIB3000MC_I2C_ADDRESS[k]; | |
1da177e4 | 854 | |
0de8e353 | 855 | dib3000mc_write_word(dmcst, 1024, dmcst->i2c_addr << 3); |
1da177e4 | 856 | |
136cafbf | 857 | /* turn off data output */ |
0de8e353 | 858 | dib3000mc_set_output_mode(dmcst, OUTMODE_HIGH_Z); |
136cafbf | 859 | } |
0de8e353 RD |
860 | |
861 | kfree(dmcst); | |
b7571f8d | 862 | return 0; |
136cafbf PB |
863 | } |
864 | EXPORT_SYMBOL(dib3000mc_i2c_enumeration); | |
865 | ||
866 | static struct dvb_frontend_ops dib3000mc_ops; | |
867 | ||
868 | struct dvb_frontend * dib3000mc_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib3000mc_config *cfg) | |
869 | { | |
870 | struct dvb_frontend *demod; | |
871 | struct dib3000mc_state *st; | |
872 | st = kzalloc(sizeof(struct dib3000mc_state), GFP_KERNEL); | |
873 | if (st == NULL) | |
874 | return NULL; | |
875 | ||
876 | st->cfg = cfg; | |
877 | st->i2c_adap = i2c_adap; | |
6958effe | 878 | st->i2c_addr = i2c_addr; |
136cafbf PB |
879 | |
880 | demod = &st->demod; | |
881 | demod->demodulator_priv = st; | |
882 | memcpy(&st->demod.ops, &dib3000mc_ops, sizeof(struct dvb_frontend_ops)); | |
883 | ||
884 | if (dib3000mc_identify(st) != 0) | |
885 | goto error; | |
886 | ||
887 | dibx000_init_i2c_master(&st->i2c_master, DIB3000MC, st->i2c_adap, st->i2c_addr); | |
888 | ||
303cbeaa PB |
889 | dib3000mc_write_word(st, 1037, 0x3130); |
890 | ||
136cafbf | 891 | return demod; |
1da177e4 LT |
892 | |
893 | error: | |
136cafbf PB |
894 | kfree(st); |
895 | return NULL; | |
1da177e4 | 896 | } |
e4d6c1f7 | 897 | EXPORT_SYMBOL(dib3000mc_attach); |
1da177e4 LT |
898 | |
899 | static struct dvb_frontend_ops dib3000mc_ops = { | |
1da177e4 | 900 | .info = { |
b7571f8d PB |
901 | .name = "DiBcom 3000MC/P", |
902 | .type = FE_OFDM, | |
903 | .frequency_min = 44250000, | |
904 | .frequency_max = 867250000, | |
905 | .frequency_stepsize = 62500, | |
1da177e4 | 906 | .caps = FE_CAN_INVERSION_AUTO | |
b7571f8d PB |
907 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | |
908 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | | |
909 | FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | | |
910 | FE_CAN_TRANSMISSION_MODE_AUTO | | |
911 | FE_CAN_GUARD_INTERVAL_AUTO | | |
912 | FE_CAN_RECOVER | | |
913 | FE_CAN_HIERARCHY_AUTO, | |
1da177e4 LT |
914 | }, |
915 | ||
b7571f8d | 916 | .release = dib3000mc_release, |
1da177e4 | 917 | |
b7571f8d PB |
918 | .init = dib3000mc_init, |
919 | .sleep = dib3000mc_sleep, | |
1da177e4 | 920 | |
b7571f8d PB |
921 | .set_frontend = dib3000mc_set_frontend, |
922 | .get_tune_settings = dib3000mc_fe_get_tune_settings, | |
923 | .get_frontend = dib3000mc_get_frontend, | |
1da177e4 | 924 | |
b7571f8d PB |
925 | .read_status = dib3000mc_read_status, |
926 | .read_ber = dib3000mc_read_ber, | |
1da177e4 | 927 | .read_signal_strength = dib3000mc_read_signal_strength, |
b7571f8d PB |
928 | .read_snr = dib3000mc_read_snr, |
929 | .read_ucblocks = dib3000mc_read_unc_blocks, | |
1da177e4 LT |
930 | }; |
931 | ||
b7571f8d PB |
932 | MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>"); |
933 | MODULE_DESCRIPTION("Driver for the DiBcom 3000MC/P COFDM demodulator"); | |
1da177e4 | 934 | MODULE_LICENSE("GPL"); |