diff options
author | Patrick Boettcher <pboettcher@dibcom.fr> | 2006-10-18 07:34:16 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-12-10 05:51:03 -0500 |
commit | a75763ffff4175bd8c115c217a39fbf445612aae (patch) | |
tree | d3d77ecc41fd8ad1b9dcad81805a171da06f8496 /drivers/media/dvb/frontends | |
parent | 8364681766cc18b948cf9d7bd46d1b92f343743b (diff) |
V4L/DVB (4772): Add support for DiBcom DiB7000PC
This patch contains support for the DiB7000PC-driver.
Signed-off-by: Francois KANOUNNIKOFF <fkanounnikoff@dibcom.fr>
Signed-off-by: Patrick Boettcher <pboettcher@dibcom.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/frontends')
-rw-r--r-- | drivers/media/dvb/frontends/Kconfig | 8 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/Makefile | 1 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/dib7000p.c | 1019 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/dib7000p.h | 46 |
4 files changed, 1074 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index 093c7695883d..7279e587e14f 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig | |||
@@ -180,6 +180,14 @@ config DVB_DIB7000M | |||
180 | A DVB-T tuner module. Designed for mobile usage. Say Y when you want | 180 | A DVB-T tuner module. Designed for mobile usage. Say Y when you want |
181 | to support this frontend. | 181 | to support this frontend. |
182 | 182 | ||
183 | config DVB_DIB7000P | ||
184 | tristate "DiBcom 7000PC" | ||
185 | depends on DVB_CORE && I2C | ||
186 | default m if DVB_FE_CUSTOMISE | ||
187 | help | ||
188 | A DVB-T tuner module. Designed for mobile usage. Say Y when you want | ||
189 | to support this frontend. | ||
190 | |||
183 | comment "DVB-C (cable) frontends" | 191 | comment "DVB-C (cable) frontends" |
184 | depends on DVB_CORE | 192 | depends on DVB_CORE |
185 | 193 | ||
diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 244e87417b0c..593152ecf7ee 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile | |||
@@ -14,6 +14,7 @@ obj-$(CONFIG_DVB_L64781) += l64781.o | |||
14 | obj-$(CONFIG_DVB_DIB3000MB) += dib3000mb.o | 14 | obj-$(CONFIG_DVB_DIB3000MB) += dib3000mb.o |
15 | obj-$(CONFIG_DVB_DIB3000MC) += dib3000mc.o dibx000_common.o | 15 | obj-$(CONFIG_DVB_DIB3000MC) += dib3000mc.o dibx000_common.o |
16 | obj-$(CONFIG_DVB_DIB7000M) += dib7000m.o dibx000_common.o | 16 | obj-$(CONFIG_DVB_DIB7000M) += dib7000m.o dibx000_common.o |
17 | obj-$(CONFIG_DVB_DIB7000P) += dib7000p.o dibx000_common.o | ||
17 | obj-$(CONFIG_DVB_MT312) += mt312.o | 18 | obj-$(CONFIG_DVB_MT312) += mt312.o |
18 | obj-$(CONFIG_DVB_VES1820) += ves1820.o | 19 | obj-$(CONFIG_DVB_VES1820) += ves1820.o |
19 | obj-$(CONFIG_DVB_VES1X93) += ves1x93.o | 20 | obj-$(CONFIG_DVB_VES1X93) += ves1x93.o |
diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c new file mode 100644 index 000000000000..0349a4b5da3f --- /dev/null +++ b/drivers/media/dvb/frontends/dib7000p.c | |||
@@ -0,0 +1,1019 @@ | |||
1 | /* | ||
2 | * Linux-DVB Driver for DiBcom's second generation DiB7000P (PC). | ||
3 | * | ||
4 | * Copyright (C) 2005-6 DiBcom (http://www.dibcom.fr/) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License as | ||
8 | * published by the Free Software Foundation, version 2. | ||
9 | */ | ||
10 | #include <linux/kernel.h> | ||
11 | #include <linux/i2c.h> | ||
12 | |||
13 | #include "dvb_frontend.h" | ||
14 | |||
15 | #include "dib7000p.h" | ||
16 | |||
17 | static int debug; | ||
18 | module_param(debug, int, 0644); | ||
19 | MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); | ||
20 | |||
21 | #define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB7000P:"); printk(args); } } while (0) | ||
22 | |||
23 | struct dib7000p_state { | ||
24 | struct dvb_frontend demod; | ||
25 | struct dib7000p_config cfg; | ||
26 | |||
27 | u8 i2c_addr; | ||
28 | struct i2c_adapter *i2c_adap; | ||
29 | |||
30 | struct dibx000_i2c_master i2c_master; | ||
31 | |||
32 | u16 wbd_ref; | ||
33 | |||
34 | u8 current_band; | ||
35 | fe_bandwidth_t current_bandwidth; | ||
36 | struct dibx000_agc_config *current_agc; | ||
37 | u32 timf; | ||
38 | |||
39 | u16 gpio_dir; | ||
40 | u16 gpio_val; | ||
41 | }; | ||
42 | |||
43 | enum dib7000p_power_mode { | ||
44 | DIB7000P_POWER_ALL = 0, | ||
45 | DIB7000P_POWER_INTERFACE_ONLY, | ||
46 | }; | ||
47 | |||
48 | static u16 dib7000p_read_word(struct dib7000p_state *state, u16 reg) | ||
49 | { | ||
50 | u8 wb[2] = { reg >> 8, reg & 0xff }; | ||
51 | u8 rb[2]; | ||
52 | struct i2c_msg msg[2] = { | ||
53 | { .addr = state->i2c_addr >> 1, .flags = 0, .buf = wb, .len = 2 }, | ||
54 | { .addr = state->i2c_addr >> 1, .flags = I2C_M_RD, .buf = rb, .len = 2 }, | ||
55 | }; | ||
56 | |||
57 | if (i2c_transfer(state->i2c_adap, msg, 2) != 2) | ||
58 | dprintk("i2c read error on %d\n",reg); | ||
59 | |||
60 | return (rb[0] << 8) | rb[1]; | ||
61 | } | ||
62 | |||
63 | static int dib7000p_write_word(struct dib7000p_state *state, u16 reg, u16 val) | ||
64 | { | ||
65 | u8 b[4] = { | ||
66 | (reg >> 8) & 0xff, reg & 0xff, | ||
67 | (val >> 8) & 0xff, val & 0xff, | ||
68 | }; | ||
69 | struct i2c_msg msg = { | ||
70 | .addr = state->i2c_addr >> 1, .flags = 0, .buf = b, .len = 4 | ||
71 | }; | ||
72 | return i2c_transfer(state->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0; | ||
73 | } | ||
74 | static int dib7000p_set_output_mode(struct dib7000p_state *state, int mode) | ||
75 | { | ||
76 | int ret = 0; | ||
77 | u16 outreg, fifo_threshold, smo_mode; | ||
78 | |||
79 | outreg = 0; | ||
80 | fifo_threshold = 1792; | ||
81 | smo_mode = (dib7000p_read_word(state, 235) & 0x0010) | (1 << 1); | ||
82 | |||
83 | dprintk("-I- Setting output mode for demod %p to %d\n", | ||
84 | &state->demod, mode); | ||
85 | |||
86 | switch (mode) { | ||
87 | case OUTMODE_MPEG2_PAR_GATED_CLK: // STBs with parallel gated clock | ||
88 | outreg = (1 << 10); /* 0x0400 */ | ||
89 | break; | ||
90 | case OUTMODE_MPEG2_PAR_CONT_CLK: // STBs with parallel continues clock | ||
91 | outreg = (1 << 10) | (1 << 6); /* 0x0440 */ | ||
92 | break; | ||
93 | case OUTMODE_MPEG2_SERIAL: // STBs with serial input | ||
94 | outreg = (1 << 10) | (2 << 6) | (0 << 1); /* 0x0480 */ | ||
95 | break; | ||
96 | case OUTMODE_DIVERSITY: | ||
97 | if (state->cfg.hostbus_diversity) | ||
98 | outreg = (1 << 10) | (4 << 6); /* 0x0500 */ | ||
99 | else | ||
100 | outreg = (1 << 11); | ||
101 | break; | ||
102 | case OUTMODE_MPEG2_FIFO: // e.g. USB feeding | ||
103 | smo_mode |= (3 << 1); | ||
104 | fifo_threshold = 512; | ||
105 | outreg = (1 << 10) | (5 << 6); | ||
106 | break; | ||
107 | case OUTMODE_HIGH_Z: // disable | ||
108 | outreg = 0; | ||
109 | break; | ||
110 | default: | ||
111 | dprintk("Unhandled output_mode passed to be set for demod %p\n",&state->demod); | ||
112 | break; | ||
113 | } | ||
114 | |||
115 | if (state->cfg.output_mpeg2_in_188_bytes) | ||
116 | smo_mode |= (1 << 5) ; | ||
117 | |||
118 | ret |= dib7000p_write_word(state, 235, smo_mode); | ||
119 | ret |= dib7000p_write_word(state, 236, fifo_threshold); /* synchronous fread */ | ||
120 | ret |= dib7000p_write_word(state, 1286, outreg); /* P_Div_active */ | ||
121 | |||
122 | return ret; | ||
123 | } | ||
124 | |||
125 | static int dib7000p_set_power_mode(struct dib7000p_state *state, enum dib7000p_power_mode mode) | ||
126 | { | ||
127 | /* by default everything is powered off */ | ||
128 | u16 reg_774 = 0xffff, reg_775 = 0xffff, reg_776 = 0x0007, reg_899 = 0x0003, | ||
129 | reg_1280 = (0xfe00) | (dib7000p_read_word(state, 1280) & 0x01ff); | ||
130 | |||
131 | /* now, depending on the requested mode, we power on */ | ||
132 | switch (mode) { | ||
133 | /* power up everything in the demod */ | ||
134 | case DIB7000P_POWER_ALL: | ||
135 | reg_774 = 0x0000; reg_775 = 0x0000; reg_776 = 0x0; reg_899 = 0x0; reg_1280 &= 0x01ff; | ||
136 | break; | ||
137 | /* just leave power on the control-interfaces: GPIO and (I2C or SDIO) */ | ||
138 | case DIB7000P_POWER_INTERFACE_ONLY: /* TODO power up either SDIO or I2C */ | ||
139 | reg_1280 &= ~((1 << 14) | (1 << 13) | (1 << 12) | (1 << 10)); | ||
140 | break; | ||
141 | /* TODO following stuff is just converted from the dib7000-driver - check when is used what */ | ||
142 | } | ||
143 | |||
144 | dib7000p_write_word(state, 774, reg_774); | ||
145 | dib7000p_write_word(state, 775, reg_775); | ||
146 | dib7000p_write_word(state, 776, reg_776); | ||
147 | dib7000p_write_word(state, 899, reg_899); | ||
148 | dib7000p_write_word(state, 1280, reg_1280); | ||
149 | |||
150 | return 0; | ||
151 | } | ||
152 | |||
153 | static void dib7000p_set_adc_state(struct dib7000p_state *state, enum dibx000_adc_states no) | ||
154 | { | ||
155 | u16 reg_908 = dib7000p_read_word(state, 908), | ||
156 | reg_909 = dib7000p_read_word(state, 909); | ||
157 | |||
158 | switch (no) { | ||
159 | case DIBX000_SLOW_ADC_ON: | ||
160 | reg_909 |= (1 << 1) | (1 << 0); | ||
161 | dib7000p_write_word(state, 909, reg_909); | ||
162 | reg_909 &= ~(1 << 1); | ||
163 | break; | ||
164 | |||
165 | case DIBX000_SLOW_ADC_OFF: | ||
166 | reg_909 |= (1 << 1) | (1 << 0); | ||
167 | break; | ||
168 | |||
169 | case DIBX000_ADC_ON: | ||
170 | reg_908 &= 0x0fff; | ||
171 | reg_909 &= 0x0003; | ||
172 | break; | ||
173 | |||
174 | case DIBX000_ADC_OFF: // leave the VBG voltage on | ||
175 | reg_908 |= (1 << 14) | (1 << 13) | (1 << 12); | ||
176 | reg_909 |= (1 << 5) | (1 << 4) | (1 << 3) | (1 << 2); | ||
177 | break; | ||
178 | |||
179 | case DIBX000_VBG_ENABLE: | ||
180 | reg_908 &= ~(1 << 15); | ||
181 | break; | ||
182 | |||
183 | case DIBX000_VBG_DISABLE: | ||
184 | reg_908 |= (1 << 15); | ||
185 | break; | ||
186 | |||
187 | default: | ||
188 | break; | ||
189 | } | ||
190 | |||
191 | // dprintk("908: %x, 909: %x\n", reg_908, reg_909); | ||
192 | |||
193 | dib7000p_write_word(state, 908, reg_908); | ||
194 | dib7000p_write_word(state, 909, reg_909); | ||
195 | } | ||
196 | |||
197 | static int dib7000p_set_bandwidth(struct dvb_frontend *demod, u8 BW_Idx) | ||
198 | { | ||
199 | struct dib7000p_state *state = demod->demodulator_priv; | ||
200 | u32 timf; | ||
201 | |||
202 | // store the current bandwidth for later use | ||
203 | state->current_bandwidth = BW_Idx; | ||
204 | |||
205 | if (state->timf == 0) { | ||
206 | dprintk("-D- Using default timf\n"); | ||
207 | timf = state->cfg.bw->timf; | ||
208 | } else { | ||
209 | dprintk("-D- Using updated timf\n"); | ||
210 | timf = state->timf; | ||
211 | } | ||
212 | |||
213 | timf = timf * (BW_INDEX_TO_KHZ(BW_Idx) / 100) / 80; | ||
214 | |||
215 | dprintk("timf: %d\n",timf); | ||
216 | |||
217 | dib7000p_write_word(state, 23, (timf >> 16) & 0xffff); | ||
218 | dib7000p_write_word(state, 24, (timf ) & 0xffff); | ||
219 | |||
220 | return 0; | ||
221 | } | ||
222 | |||
223 | static int dib7000p_sad_calib(struct dib7000p_state *state) | ||
224 | { | ||
225 | /* internal */ | ||
226 | // dib7000p_write_word(state, 72, (3 << 14) | (1 << 12) | (524 << 0)); // sampling clock of the SAD is writting in set_bandwidth | ||
227 | dib7000p_write_word(state, 73, (0 << 1) | (0 << 0)); | ||
228 | dib7000p_write_word(state, 74, 776); // 0.625*3.3 / 4096 | ||
229 | |||
230 | /* do the calibration */ | ||
231 | dib7000p_write_word(state, 73, (1 << 0)); | ||
232 | dib7000p_write_word(state, 73, (0 << 0)); | ||
233 | |||
234 | msleep(1); | ||
235 | |||
236 | return 0; | ||
237 | } | ||
238 | |||
239 | static void dib7000p_reset_pll(struct dib7000p_state *state) | ||
240 | { | ||
241 | struct dibx000_bandwidth_config *bw = &state->cfg.bw[0]; | ||
242 | |||
243 | dib7000p_write_word(state, 903, (bw->pll_prediv << 5) | (((bw->pll_ratio >> 6) & 0x3) << 3) | (bw->pll_range << 1) | bw->pll_reset); | ||
244 | dib7000p_write_word(state, 900, ((bw->pll_ratio & 0x3f) << 9) | (bw->pll_bypass << 15) | (bw->modulo << 7) | (bw->ADClkSrc << 6) | | ||
245 | (bw->IO_CLK_en_core << 5) | (bw->bypclk_div << 2) | (bw->enable_refdiv << 1) | (0 << 0)); | ||
246 | |||
247 | dib7000p_write_word(state, 18, ((bw->internal*1000) >> 16) & 0xffff); | ||
248 | dib7000p_write_word(state, 19, (bw->internal*1000 ) & 0xffff); | ||
249 | dib7000p_write_word(state, 21, (bw->ifreq >> 16) & 0xffff); | ||
250 | dib7000p_write_word(state, 22, (bw->ifreq ) & 0xffff); | ||
251 | |||
252 | dib7000p_write_word(state, 72, bw->sad_cfg); | ||
253 | } | ||
254 | |||
255 | static int dib7000p_reset_gpio(struct dib7000p_state *st) | ||
256 | { | ||
257 | /* reset the GPIOs */ | ||
258 | dprintk("-D- gpio dir: %x: gpio val: %x, gpio pwm pos: %x\n",st->gpio_dir, st->gpio_val,st->cfg.gpio_pwm_pos); | ||
259 | |||
260 | dib7000p_write_word(st, 1029, st->gpio_dir); | ||
261 | dib7000p_write_word(st, 1030, st->gpio_val); | ||
262 | |||
263 | /* TODO 1031 is P_gpio_od */ | ||
264 | |||
265 | dib7000p_write_word(st, 1032, st->cfg.gpio_pwm_pos); | ||
266 | |||
267 | dib7000p_write_word(st, 1037, st->cfg.pwm_freq_div); | ||
268 | return 0; | ||
269 | } | ||
270 | |||
271 | static int dib7000p_demod_reset(struct dib7000p_state *state) | ||
272 | { | ||
273 | dib7000p_set_power_mode(state, DIB7000P_POWER_ALL); | ||
274 | |||
275 | dib7000p_set_adc_state(state, DIBX000_VBG_ENABLE); | ||
276 | |||
277 | /* restart all parts */ | ||
278 | dib7000p_write_word(state, 770, 0xffff); | ||
279 | dib7000p_write_word(state, 771, 0xffff); | ||
280 | dib7000p_write_word(state, 772, 0x001f); | ||
281 | dib7000p_write_word(state, 898, 0x0003); | ||
282 | /* except i2c, sdio, gpio - control interfaces */ | ||
283 | dib7000p_write_word(state, 1280, 0x01fc - ((1 << 7) | (1 << 6) | (1 << 5)) ); | ||
284 | |||
285 | dib7000p_write_word(state, 770, 0); | ||
286 | dib7000p_write_word(state, 771, 0); | ||
287 | dib7000p_write_word(state, 772, 0); | ||
288 | dib7000p_write_word(state, 898, 0); | ||
289 | dib7000p_write_word(state, 1280, 0); | ||
290 | |||
291 | /* default */ | ||
292 | dib7000p_reset_pll(state); | ||
293 | |||
294 | if (dib7000p_reset_gpio(state) != 0) | ||
295 | dprintk("-E- GPIO reset was not successful.\n"); | ||
296 | |||
297 | if (dib7000p_set_output_mode(state, OUTMODE_HIGH_Z) != 0) | ||
298 | dprintk("-E- OUTPUT_MODE could not be resetted.\n"); | ||
299 | |||
300 | /* unforce divstr regardless whether i2c enumeration was done or not */ | ||
301 | dib7000p_write_word(state, 1285, dib7000p_read_word(state, 1285) & ~(1 << 1) ); | ||
302 | |||
303 | dib7000p_set_power_mode(state, DIB7000P_POWER_INTERFACE_ONLY); | ||
304 | |||
305 | return 0; | ||
306 | } | ||
307 | |||
308 | static void dib7000p_restart_agc(struct dib7000p_state *state) | ||
309 | { | ||
310 | // P_restart_iqc & P_restart_agc | ||
311 | dib7000p_write_word(state, 770, 0x0c00); | ||
312 | dib7000p_write_word(state, 770, 0x0000); | ||
313 | } | ||
314 | |||
315 | static void dib7000p_update_lna(struct dib7000p_state *state) | ||
316 | { | ||
317 | int i; | ||
318 | u16 dyn_gain; | ||
319 | |||
320 | // when there is no LNA to program return immediatly | ||
321 | if (state->cfg.update_lna == NULL) | ||
322 | return; | ||
323 | |||
324 | for (i = 0; i < 5; i++) { | ||
325 | // read dyn_gain here (because it is demod-dependent and not tuner) | ||
326 | dyn_gain = dib7000p_read_word(state, 394); | ||
327 | |||
328 | if (state->cfg.update_lna(&state->demod,dyn_gain)) { // LNA has changed | ||
329 | dib7000p_restart_agc(state); | ||
330 | msleep(5); | ||
331 | } else | ||
332 | break; | ||
333 | } | ||
334 | } | ||
335 | |||
336 | static void dib7000p_pll_clk_cfg(struct dib7000p_state *state) | ||
337 | { | ||
338 | u16 tmp = 0; | ||
339 | tmp = dib7000p_read_word(state, 903); | ||
340 | dib7000p_write_word(state, 903, (tmp | 0x1)); //pwr-up pll | ||
341 | tmp = dib7000p_read_word(state, 900); | ||
342 | dib7000p_write_word(state, 900, (tmp & 0x7fff) | (1 << 6)); //use High freq clock | ||
343 | } | ||
344 | |||
345 | static void dib7000p_update_timf_freq(struct dib7000p_state *state) | ||
346 | { | ||
347 | u32 timf = (dib7000p_read_word(state, 427) << 16) | dib7000p_read_word(state, 428); | ||
348 | state->timf = timf * 80 / (BW_INDEX_TO_KHZ(state->current_bandwidth) / 100); | ||
349 | dib7000p_write_word(state, 23, (u16) (timf >> 16)); | ||
350 | dib7000p_write_word(state, 24, (u16) (timf & 0xffff)); | ||
351 | dprintk("-D- Updated timf_frequency: %d (default: %d)\n",state->timf, state->cfg.bw->timf); | ||
352 | } | ||
353 | |||
354 | static void dib7000p_set_channel(struct dib7000p_state *state, struct dibx000_ofdm_channel *ch, u8 seq) | ||
355 | { | ||
356 | u16 tmp, est[4]; // reg_26, reg_32, reg_33, reg_187, reg_188, reg_189, reg_190, reg_207, reg_208; | ||
357 | |||
358 | /* nfft, guard, qam, alpha */ | ||
359 | dib7000p_write_word(state, 0, (ch->nfft << 7) | (ch->guard << 5) | (ch->nqam << 3) | (ch->vit_alpha)); | ||
360 | dib7000p_write_word(state, 5, (seq << 4) | 1); /* do not force tps, search list 0 */ | ||
361 | |||
362 | /* P_dintl_native, P_dintlv_inv, P_vit_hrch, P_vit_code_rate, P_vit_select_hp */ | ||
363 | tmp = (ch->intlv_native << 6) | (ch->vit_hrch << 4) | (ch->vit_select_hp & 0x1); | ||
364 | if (ch->vit_hrch == 0 || ch->vit_select_hp == 1) | ||
365 | tmp |= (ch->vit_code_rate_hp << 1); | ||
366 | else | ||
367 | tmp |= (ch->vit_code_rate_lp << 1); | ||
368 | dib7000p_write_word(state, 208, tmp); | ||
369 | |||
370 | /* P_dvsy_sync_wait */ | ||
371 | switch (ch->nfft) { | ||
372 | case 1: tmp = 256; break; | ||
373 | case 2: tmp = 128; break; | ||
374 | case 0: | ||
375 | default: tmp = 64; break; | ||
376 | } | ||
377 | tmp *= ((1 << (ch->guard)) * 3 / 2); // add 50% SFN margin | ||
378 | tmp <<= 4; | ||
379 | |||
380 | /* deactive the possibility of diversity reception if extended interleave */ | ||
381 | /* P_dvsy_sync_mode = 0, P_dvsy_sync_enable=1, P_dvcb_comb_mode=2 */ | ||
382 | if (ch->intlv_native || ch->nfft == 1) | ||
383 | tmp |= (1 << 2) | (2 << 0); | ||
384 | dib7000p_write_word(state, 207, tmp); | ||
385 | |||
386 | dib7000p_write_word(state, 26, 0x6680); // timf(6xxx) | ||
387 | dib7000p_write_word(state, 29, 0x1273); // isi inh1273 on1073 | ||
388 | dib7000p_write_word(state, 32, 0x0003); // pha_off_max(xxx3) | ||
389 | dib7000p_write_word(state, 33, 0x0005); // sfreq(xxx5) | ||
390 | |||
391 | /* channel estimation fine configuration */ | ||
392 | switch (ch->nqam) { | ||
393 | case 2: | ||
394 | est[0] = 0x0148; /* P_adp_regul_cnt 0.04 */ | ||
395 | est[1] = 0xfff0; /* P_adp_noise_cnt -0.002 */ | ||
396 | est[2] = 0x00a4; /* P_adp_regul_ext 0.02 */ | ||
397 | est[3] = 0xfff8; /* P_adp_noise_ext -0.001 */ | ||
398 | break; | ||
399 | case 1: | ||
400 | est[0] = 0x023d; /* P_adp_regul_cnt 0.07 */ | ||
401 | est[1] = 0xffdf; /* P_adp_noise_cnt -0.004 */ | ||
402 | est[2] = 0x00a4; /* P_adp_regul_ext 0.02 */ | ||
403 | est[3] = 0xfff0; /* P_adp_noise_ext -0.002 */ | ||
404 | break; | ||
405 | default: | ||
406 | est[0] = 0x099a; /* P_adp_regul_cnt 0.3 */ | ||
407 | est[1] = 0xffae; /* P_adp_noise_cnt -0.01 */ | ||
408 | est[2] = 0x0333; /* P_adp_regul_ext 0.1 */ | ||
409 | est[3] = 0xfff8; /* P_adp_noise_ext -0.002 */ | ||
410 | break; | ||
411 | } | ||
412 | for (tmp = 0; tmp < 4; tmp++) | ||
413 | dib7000p_write_word(state, 187 + tmp, est[tmp]); | ||
414 | |||
415 | // set power-up level: interf+analog+AGC | ||
416 | dib7000p_set_power_mode(state, DIB7000P_POWER_ALL); | ||
417 | dib7000p_set_adc_state(state, DIBX000_ADC_ON); | ||
418 | dib7000p_pll_clk_cfg(state); | ||
419 | msleep(7); | ||
420 | |||
421 | // AGC initialization | ||
422 | if (state->cfg.agc_control) | ||
423 | state->cfg.agc_control(&state->demod, 1); | ||
424 | |||
425 | dib7000p_restart_agc(state); | ||
426 | |||
427 | // wait AGC rough lock time | ||
428 | msleep(5); | ||
429 | |||
430 | dib7000p_update_lna(state); | ||
431 | |||
432 | // wait AGC accurate lock time | ||
433 | msleep(7); | ||
434 | if (state->cfg.agc_control) | ||
435 | state->cfg.agc_control(&state->demod, 0); | ||
436 | } | ||
437 | |||
438 | static int dib7000p_autosearch_start(struct dvb_frontend *demod, struct dibx000_ofdm_channel *ch) | ||
439 | { | ||
440 | struct dib7000p_state *state = demod->demodulator_priv; | ||
441 | struct dibx000_ofdm_channel auto_ch; | ||
442 | u32 value; | ||
443 | |||
444 | INIT_OFDM_CHANNEL(&auto_ch); | ||
445 | auto_ch.RF_kHz = ch->RF_kHz; | ||
446 | auto_ch.Bw = ch->Bw; | ||
447 | auto_ch.nqam = 2; | ||
448 | auto_ch.guard = 0; | ||
449 | auto_ch.nfft = 1; | ||
450 | auto_ch.vit_alpha = 1; | ||
451 | auto_ch.vit_select_hp = 1; | ||
452 | auto_ch.vit_code_rate_hp = 2; | ||
453 | auto_ch.vit_code_rate_lp = 3; | ||
454 | auto_ch.vit_hrch = 0; | ||
455 | auto_ch.intlv_native = 1; | ||
456 | |||
457 | dib7000p_set_channel(state, &auto_ch, 7); | ||
458 | |||
459 | // always use the setting for 8MHz here lock_time for 7,6 MHz are longer | ||
460 | value = 30 * state->cfg.bw->internal; | ||
461 | dib7000p_write_word(state, 6, (u16) ((value >> 16) & 0xffff)); // lock0 wait time | ||
462 | dib7000p_write_word(state, 7, (u16) (value & 0xffff)); // lock0 wait time | ||
463 | value = 100 * state->cfg.bw->internal; | ||
464 | dib7000p_write_word(state, 8, (u16) ((value >> 16) & 0xffff)); // lock1 wait time | ||
465 | dib7000p_write_word(state, 9, (u16) (value & 0xffff)); // lock1 wait time | ||
466 | value = 500 * state->cfg.bw->internal; | ||
467 | dib7000p_write_word(state, 10, (u16) ((value >> 16) & 0xffff)); // lock2 wait time | ||
468 | dib7000p_write_word(state, 11, (u16) (value & 0xffff)); // lock2 wait time | ||
469 | |||
470 | value = dib7000p_read_word(state, 0); | ||
471 | dib7000p_write_word(state, 0, (1 << 9) | value); | ||
472 | dib7000p_read_word(state, 1284); | ||
473 | dib7000p_write_word(state, 0, (u16) value); | ||
474 | |||
475 | return 0; | ||
476 | } | ||
477 | |||
478 | static int dib7000p_autosearch_is_irq(struct dvb_frontend *demod) | ||
479 | { | ||
480 | struct dib7000p_state *state = demod->demodulator_priv; | ||
481 | u16 irq_pending = dib7000p_read_word(state, 1284); | ||
482 | |||
483 | if (irq_pending & 0x1) // failed | ||
484 | return 1; | ||
485 | |||
486 | if (irq_pending & 0x2) // succeeded | ||
487 | return 2; | ||
488 | |||
489 | return 0; // still pending | ||
490 | } | ||
491 | |||
492 | static int dib7000p_tune(struct dvb_frontend *demod, struct dibx000_ofdm_channel *ch) | ||
493 | { | ||
494 | struct dib7000p_state *state = demod->demodulator_priv; | ||
495 | u16 tmp = 0; | ||
496 | |||
497 | if (ch != NULL) | ||
498 | dib7000p_set_channel(state, ch, 0); | ||
499 | else | ||
500 | return -EINVAL; | ||
501 | |||
502 | // restart demod | ||
503 | dib7000p_write_word(state, 770, 0x4000); | ||
504 | dib7000p_write_word(state, 770, 0x0000); | ||
505 | msleep(45); | ||
506 | |||
507 | /* P_ctrl_inh_cor=0, P_ctrl_alpha_cor=4, P_ctrl_inh_isi=0, P_ctrl_alpha_isi=3, P_ctrl_inh_cor4=1, P_ctrl_alpha_cor4=3 */ | ||
508 | dib7000p_write_word(state, 29, (0 << 14) | (4 << 10) | (0 << 9) | (3 << 5) | (1 << 4) | (0x3)); | ||
509 | |||
510 | // never achieved a lock with that bandwidth so far - wait for osc-freq to update | ||
511 | if (state->timf == 0) | ||
512 | msleep(200); | ||
513 | |||
514 | /* offset loop parameters */ | ||
515 | |||
516 | /* P_timf_alpha, P_corm_alpha=6, P_corm_thres=0x80 */ | ||
517 | tmp = (6 << 8) | 0x80; | ||
518 | switch (ch->nfft) { | ||
519 | case 0: tmp |= (7 << 12); break; | ||
520 | case 1: tmp |= (9 << 12); break; | ||
521 | case 2: tmp |= (8 << 12); break; | ||
522 | } | ||
523 | dib7000p_write_word(state, 26, tmp); /* timf_a(6xxx) */ | ||
524 | |||
525 | /* P_ctrl_freeze_pha_shift=0, P_ctrl_pha_off_max */ | ||
526 | tmp = (0 << 4); | ||
527 | switch (ch->nfft) { | ||
528 | case 0: tmp |= 0x6; break; | ||
529 | case 1: tmp |= 0x8; break; | ||
530 | case 2: tmp |= 0x7; break; | ||
531 | } | ||
532 | dib7000p_write_word(state, 32, tmp); | ||
533 | |||
534 | /* P_ctrl_sfreq_inh=0, P_ctrl_sfreq_step */ | ||
535 | tmp = (0 << 4); | ||
536 | switch (ch->nfft) { | ||
537 | case 0: tmp |= 0x6; break; | ||
538 | case 1: tmp |= 0x8; break; | ||
539 | case 2: tmp |= 0x7; break; | ||
540 | } | ||
541 | dib7000p_write_word(state, 33, tmp); | ||
542 | |||
543 | tmp = dib7000p_read_word(state,509); | ||
544 | if (!((tmp >> 6) & 0x1)) { | ||
545 | /* restart the fec */ | ||
546 | tmp = dib7000p_read_word(state,771); | ||
547 | dib7000p_write_word(state, 771, tmp | (1 << 1)); | ||
548 | dib7000p_write_word(state, 771, tmp); | ||
549 | msleep(10); | ||
550 | tmp = dib7000p_read_word(state,509); | ||
551 | } | ||
552 | |||
553 | // we achieved a lock - it's time to update the osc freq | ||
554 | if ((tmp >> 6) & 0x1) | ||
555 | dib7000p_update_timf_freq(state); | ||
556 | |||
557 | return 0; | ||
558 | } | ||
559 | |||
560 | static int dib7000p_init(struct dvb_frontend *demod) | ||
561 | { | ||
562 | struct dibx000_agc_config *agc; | ||
563 | struct dib7000p_state *state = demod->demodulator_priv; | ||
564 | int ret = 0; | ||
565 | |||
566 | // Demodulator default configuration | ||
567 | agc = state->cfg.agc; | ||
568 | |||
569 | dib7000p_set_power_mode(state, DIB7000P_POWER_ALL); | ||
570 | dib7000p_set_adc_state(state, DIBX000_SLOW_ADC_ON); | ||
571 | |||
572 | /* AGC */ | ||
573 | ret |= dib7000p_write_word(state, 75 , agc->setup ); | ||
574 | ret |= dib7000p_write_word(state, 76 , agc->inv_gain ); | ||
575 | ret |= dib7000p_write_word(state, 77 , agc->time_stabiliz ); | ||
576 | ret |= dib7000p_write_word(state, 100, (agc->alpha_level << 12) | agc->thlock); | ||
577 | |||
578 | // Demod AGC loop configuration | ||
579 | ret |= dib7000p_write_word(state, 101, (agc->alpha_mant << 5) | agc->alpha_exp); | ||
580 | ret |= dib7000p_write_word(state, 102, (agc->beta_mant << 6) | agc->beta_exp); | ||
581 | |||
582 | /* AGC continued */ | ||
583 | dprintk("-D- WBD: ref: %d, sel: %d, active: %d, alpha: %d\n", | ||
584 | state->wbd_ref != 0 ? state->wbd_ref : agc->wbd_ref, agc->wbd_sel, !agc->perform_agc_softsplit, agc->wbd_sel); | ||
585 | |||
586 | if (state->wbd_ref != 0) | ||
587 | ret |= dib7000p_write_word(state, 105, (agc->wbd_inv << 12) | state->wbd_ref); | ||
588 | else | ||
589 | ret |= dib7000p_write_word(state, 105, (agc->wbd_inv << 12) | agc->wbd_ref); | ||
590 | |||
591 | ret |= dib7000p_write_word(state, 106, (agc->wbd_sel << 13) | (agc->wbd_alpha << 9) | (agc->perform_agc_softsplit << 8) ); | ||
592 | |||
593 | ret |= dib7000p_write_word(state, 107, agc->agc1_max); | ||
594 | ret |= dib7000p_write_word(state, 108, agc->agc1_min); | ||
595 | ret |= dib7000p_write_word(state, 109, agc->agc2_max); | ||
596 | ret |= dib7000p_write_word(state, 110, agc->agc2_min); | ||
597 | ret |= dib7000p_write_word(state, 111, (agc->agc1_pt1 << 8) | agc->agc1_pt2 ); | ||
598 | ret |= dib7000p_write_word(state, 112, agc->agc1_pt3); | ||
599 | ret |= dib7000p_write_word(state, 113, (agc->agc1_slope1 << 8) | agc->agc1_slope2); | ||
600 | ret |= dib7000p_write_word(state, 114, (agc->agc2_pt1 << 8) | agc->agc2_pt2); | ||
601 | ret |= dib7000p_write_word(state, 115, (agc->agc2_slope1 << 8) | agc->agc2_slope2); | ||
602 | |||
603 | /* disable power smoothing */ | ||
604 | ret |= dib7000p_write_word(state, 145, 0); | ||
605 | ret |= dib7000p_write_word(state, 146, 0); | ||
606 | ret |= dib7000p_write_word(state, 147, 0); | ||
607 | ret |= dib7000p_write_word(state, 148, 0); | ||
608 | ret |= dib7000p_write_word(state, 149, 0); | ||
609 | ret |= dib7000p_write_word(state, 150, 0); | ||
610 | ret |= dib7000p_write_word(state, 151, 0); | ||
611 | ret |= dib7000p_write_word(state, 152, 0); | ||
612 | |||
613 | // P_timf_alpha=6, P_corm_alpha=6, P_corm_thres=128 default: 6,4,26 | ||
614 | ret |= dib7000p_write_word(state, 26 ,0x6680); | ||
615 | |||
616 | // P_palf_filter_on=1, P_palf_filter_freeze=0, P_palf_alpha_regul=16 | ||
617 | ret |= dib7000p_write_word(state, 142,0x0410); | ||
618 | // P_fft_freq_dir=1, P_fft_nb_to_cut=0 | ||
619 | ret |= dib7000p_write_word(state, 154,1 << 13); | ||
620 | // P_pha3_thres, default 0x3000 | ||
621 | ret |= dib7000p_write_word(state, 168,0x0ccd); | ||
622 | // P_cti_use_cpe=0, P_cti_use_prog=0, P_cti_win_len=16, default: 0x0010 | ||
623 | //ret |= dib7000p_write_word(state, 169,0x0010); | ||
624 | // P_cspu_regul=512, P_cspu_win_cut=15, default: 0x2005 | ||
625 | ret |= dib7000p_write_word(state, 183,0x200f); | ||
626 | // P_adp_regul_cnt=573, default: 410 | ||
627 | ret |= dib7000p_write_word(state, 187,0x023d); | ||
628 | // P_adp_noise_cnt= | ||
629 | ret |= dib7000p_write_word(state, 188,0x00a4); | ||
630 | // P_adp_regul_ext | ||
631 | ret |= dib7000p_write_word(state, 189,0x00a4); | ||
632 | // P_adp_noise_ext | ||
633 | ret |= dib7000p_write_word(state, 190,0x7ff0); | ||
634 | // P_adp_fil | ||
635 | ret |= dib7000p_write_word(state, 191,0x3ccc); | ||
636 | |||
637 | ret |= dib7000p_write_word(state, 222,0x0010); | ||
638 | // P_smo_mode, P_smo_rs_discard, P_smo_fifo_flush, P_smo_pid_parse, P_smo_error_discard | ||
639 | ret |= dib7000p_write_word(state, 235,0x0062); | ||
640 | |||
641 | // P_iqc_alpha_pha, P_iqc_alpha_amp_dcc_alpha, ... | ||
642 | if(state->cfg.tuner_is_baseband) | ||
643 | ret |= dib7000p_write_word(state, 36,0x0755); | ||
644 | else | ||
645 | ret |= dib7000p_write_word(state, 36,0x1f55); | ||
646 | |||
647 | // auto search configuration | ||
648 | ret |= dib7000p_write_word(state, 2 ,0x0004); | ||
649 | ret |= dib7000p_write_word(state, 3 ,0x1000); | ||
650 | |||
651 | /* Equal Lock */ | ||
652 | ret |= dib7000p_write_word(state, 4 ,0x0814); | ||
653 | |||
654 | ret |= dib7000p_write_word(state, 6 ,0x001b); | ||
655 | ret |= dib7000p_write_word(state, 7 ,0x7740); | ||
656 | ret |= dib7000p_write_word(state, 8 ,0x005b); | ||
657 | ret |= dib7000p_write_word(state, 9 ,0x8d80); | ||
658 | ret |= dib7000p_write_word(state, 10 ,0x01c9); | ||
659 | ret |= dib7000p_write_word(state, 11 ,0xc380); | ||
660 | ret |= dib7000p_write_word(state, 12 ,0x0000); | ||
661 | ret |= dib7000p_write_word(state, 13 ,0x0080); | ||
662 | ret |= dib7000p_write_word(state, 14 ,0x0000); | ||
663 | ret |= dib7000p_write_word(state, 15 ,0x0090); | ||
664 | ret |= dib7000p_write_word(state, 16 ,0x0001); | ||
665 | ret |= dib7000p_write_word(state, 17 ,0xd4c0); | ||
666 | |||
667 | // P_clk_cfg1 | ||
668 | ret |= dib7000p_write_word(state, 901, 0x0006); | ||
669 | |||
670 | // P_divclksel=3 P_divbitsel=1 | ||
671 | ret |= dib7000p_write_word(state, 902, (3 << 10) | (1 << 6)); | ||
672 | |||
673 | // Tuner IO bank: max drive (14mA) + divout pads max drive | ||
674 | ret |= dib7000p_write_word(state, 905, 0x2c8e); | ||
675 | |||
676 | ret |= dib7000p_set_bandwidth(&state->demod, BANDWIDTH_8_MHZ); | ||
677 | dib7000p_sad_calib(state); | ||
678 | |||
679 | return ret; | ||
680 | } | ||
681 | |||
682 | static int dib7000p_sleep(struct dvb_frontend *demod) | ||
683 | { | ||
684 | struct dib7000p_state *state = demod->demodulator_priv; | ||
685 | return dib7000p_set_output_mode(state, OUTMODE_HIGH_Z) | dib7000p_set_power_mode(state, DIB7000P_POWER_INTERFACE_ONLY); | ||
686 | } | ||
687 | |||
688 | static int dib7000p_identify(struct dib7000p_state *st) | ||
689 | { | ||
690 | u16 value; | ||
691 | dprintk("-I- DiB7000PC: checking demod on I2C address: %d (%x)\n", | ||
692 | st->i2c_addr, st->i2c_addr); | ||
693 | |||
694 | if ((value = dib7000p_read_word(st, 768)) != 0x01b3) { | ||
695 | dprintk("-E- DiB7000PC: wrong Vendor ID (read=0x%x)\n",value); | ||
696 | return -EREMOTEIO; | ||
697 | } | ||
698 | |||
699 | if ((value = dib7000p_read_word(st, 769)) != 0x4000) { | ||
700 | dprintk("-E- DiB7000PC: wrong Device ID (%x)\n",value); | ||
701 | return -EREMOTEIO; | ||
702 | } | ||
703 | |||
704 | return 0; | ||
705 | } | ||
706 | |||
707 | |||
708 | static int dib7000p_get_frontend(struct dvb_frontend* fe, | ||
709 | struct dvb_frontend_parameters *fep) | ||
710 | { | ||
711 | struct dib7000p_state *state = fe->demodulator_priv; | ||
712 | u16 tps = dib7000p_read_word(state,463); | ||
713 | |||
714 | fep->inversion = INVERSION_AUTO; | ||
715 | |||
716 | fep->u.ofdm.bandwidth = state->current_bandwidth; | ||
717 | |||
718 | switch ((tps >> 8) & 0x3) { | ||
719 | case 0: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K; break; | ||
720 | case 1: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; break; | ||
721 | /* case 2: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_4K; break; */ | ||
722 | } | ||
723 | |||
724 | switch (tps & 0x3) { | ||
725 | case 0: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_32; break; | ||
726 | case 1: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_16; break; | ||
727 | case 2: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_8; break; | ||
728 | case 3: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_4; break; | ||
729 | } | ||
730 | |||
731 | switch ((tps >> 14) & 0x3) { | ||
732 | case 0: fep->u.ofdm.constellation = QPSK; break; | ||
733 | case 1: fep->u.ofdm.constellation = QAM_16; break; | ||
734 | case 2: | ||
735 | default: fep->u.ofdm.constellation = QAM_64; break; | ||
736 | } | ||
737 | |||
738 | /* as long as the frontend_param structure is fixed for hierarchical transmission I refuse to use it */ | ||
739 | /* (tps >> 13) & 0x1 == hrch is used, (tps >> 10) & 0x7 == alpha */ | ||
740 | |||
741 | fep->u.ofdm.hierarchy_information = HIERARCHY_NONE; | ||
742 | switch ((tps >> 5) & 0x7) { | ||
743 | case 1: fep->u.ofdm.code_rate_HP = FEC_1_2; break; | ||
744 | case 2: fep->u.ofdm.code_rate_HP = FEC_2_3; break; | ||
745 | case 3: fep->u.ofdm.code_rate_HP = FEC_3_4; break; | ||
746 | case 5: fep->u.ofdm.code_rate_HP = FEC_5_6; break; | ||
747 | case 7: | ||
748 | default: fep->u.ofdm.code_rate_HP = FEC_7_8; break; | ||
749 | |||
750 | } | ||
751 | |||
752 | switch ((tps >> 2) & 0x7) { | ||
753 | case 1: fep->u.ofdm.code_rate_LP = FEC_1_2; break; | ||
754 | case 2: fep->u.ofdm.code_rate_LP = FEC_2_3; break; | ||
755 | case 3: fep->u.ofdm.code_rate_LP = FEC_3_4; break; | ||
756 | case 5: fep->u.ofdm.code_rate_LP = FEC_5_6; break; | ||
757 | case 7: | ||
758 | default: fep->u.ofdm.code_rate_LP = FEC_7_8; break; | ||
759 | } | ||
760 | |||
761 | /* native interleaver: (dib7000p_read_word(state, 464) >> 5) & 0x1 */ | ||
762 | |||
763 | return 0; | ||
764 | } | ||
765 | |||
766 | static int dib7000p_set_frontend(struct dvb_frontend* fe, | ||
767 | struct dvb_frontend_parameters *fep) | ||
768 | { | ||
769 | struct dib7000p_state *state = fe->demodulator_priv; | ||
770 | struct dibx000_ofdm_channel ch; | ||
771 | |||
772 | INIT_OFDM_CHANNEL(&ch); | ||
773 | FEP2DIB(fep,&ch); | ||
774 | |||
775 | state->current_bandwidth = fep->u.ofdm.bandwidth; | ||
776 | dib7000p_set_bandwidth(fe, fep->u.ofdm.bandwidth); | ||
777 | |||
778 | if (fe->ops.tuner_ops.set_params) | ||
779 | fe->ops.tuner_ops.set_params(fe, fep); | ||
780 | |||
781 | if (fep->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO || | ||
782 | fep->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO || | ||
783 | fep->u.ofdm.constellation == QAM_AUTO || | ||
784 | fep->u.ofdm.code_rate_HP == FEC_AUTO) { | ||
785 | int i = 800, found; | ||
786 | |||
787 | dib7000p_autosearch_start(fe, &ch); | ||
788 | do { | ||
789 | msleep(1); | ||
790 | found = dib7000p_autosearch_is_irq(fe); | ||
791 | } while (found == 0 && i--); | ||
792 | |||
793 | dprintk("autosearch returns: %d\n",found); | ||
794 | if (found == 0 || found == 1) | ||
795 | return 0; // no channel found | ||
796 | |||
797 | dib7000p_get_frontend(fe, fep); | ||
798 | FEP2DIB(fep, &ch); | ||
799 | } | ||
800 | |||
801 | /* make this a config parameter */ | ||
802 | dib7000p_set_output_mode(state, OUTMODE_MPEG2_FIFO); | ||
803 | |||
804 | return dib7000p_tune(fe, &ch); | ||
805 | } | ||
806 | |||
807 | static int dib7000p_read_status(struct dvb_frontend *fe, fe_status_t *stat) | ||
808 | { | ||
809 | struct dib7000p_state *state = fe->demodulator_priv; | ||
810 | u16 lock = dib7000p_read_word(state, 509); | ||
811 | |||
812 | *stat = 0; | ||
813 | |||
814 | if (lock & 0x8000) | ||
815 | *stat |= FE_HAS_SIGNAL; | ||
816 | if (lock & 0x3000) | ||
817 | *stat |= FE_HAS_CARRIER; | ||
818 | if (lock & 0x0100) | ||
819 | *stat |= FE_HAS_VITERBI; | ||
820 | if (lock & 0x0010) | ||
821 | *stat |= FE_HAS_SYNC; | ||
822 | if (lock & 0x0008) | ||
823 | *stat |= FE_HAS_LOCK; | ||
824 | |||
825 | return 0; | ||
826 | } | ||
827 | |||
828 | static int dib7000p_read_ber(struct dvb_frontend *fe, u32 *ber) | ||
829 | { | ||
830 | struct dib7000p_state *state = fe->demodulator_priv; | ||
831 | *ber = (dib7000p_read_word(state, 500) << 16) | dib7000p_read_word(state, 501); | ||
832 | return 0; | ||
833 | } | ||
834 | |||
835 | static int dib7000p_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) | ||
836 | { | ||
837 | struct dib7000p_state *state = fe->demodulator_priv; | ||
838 | *unc = dib7000p_read_word(state, 506); | ||
839 | return 0; | ||
840 | } | ||
841 | |||
842 | static int dib7000p_read_signal_strength(struct dvb_frontend *fe, u16 *strength) | ||
843 | { | ||
844 | struct dib7000p_state *state = fe->demodulator_priv; | ||
845 | u16 val = dib7000p_read_word(state, 394); | ||
846 | *strength = 65535 - val; | ||
847 | return 0; | ||
848 | } | ||
849 | |||
850 | static int dib7000p_read_snr(struct dvb_frontend* fe, u16 *snr) | ||
851 | { | ||
852 | *snr = 0x0000; | ||
853 | return 0; | ||
854 | } | ||
855 | |||
856 | static int dib7000p_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) | ||
857 | { | ||
858 | tune->min_delay_ms = 1000; | ||
859 | return 0; | ||
860 | } | ||
861 | |||
862 | static void dib7000p_release(struct dvb_frontend *demod) | ||
863 | { | ||
864 | struct dib7000p_state *st = demod->demodulator_priv; | ||
865 | dibx000_exit_i2c_master(&st->i2c_master); | ||
866 | kfree(st); | ||
867 | } | ||
868 | |||
869 | int dib7000pc_detection(struct i2c_adapter *i2c_adap) | ||
870 | { | ||
871 | u8 tx[2], rx[2]; | ||
872 | struct i2c_msg msg[2] = { | ||
873 | { .addr = 18 >> 1, .flags = 0, .buf = tx, .len = 2 }, | ||
874 | { .addr = 18 >> 1, .flags = I2C_M_RD, .buf = rx, .len = 2 }, | ||
875 | }; | ||
876 | |||
877 | tx[0] = 0x03; | ||
878 | tx[1] = 0x00; | ||
879 | |||
880 | if (i2c_transfer(i2c_adap, msg, 2) == 2) | ||
881 | if (rx[0] == 0x01 && rx[1] == 0xb3) { | ||
882 | dprintk("-D- DiB7000PC detected\n"); | ||
883 | return 1; | ||
884 | } | ||
885 | |||
886 | msg[0].addr = msg[1].addr = 0x40; | ||
887 | |||
888 | if (i2c_transfer(i2c_adap, msg, 2) == 2) | ||
889 | if (rx[0] == 0x01 && rx[1] == 0xb3) { | ||
890 | dprintk("-D- DiB7000PC detected\n"); | ||
891 | return 1; | ||
892 | } | ||
893 | |||
894 | dprintk("-D- DiB7000PC not detected\n"); | ||
895 | return 0; | ||
896 | } | ||
897 | EXPORT_SYMBOL(dib7000pc_detection); | ||
898 | |||
899 | struct i2c_adapter * dib7000p_get_i2c_master(struct dvb_frontend *demod, enum dibx000_i2c_interface intf, int gating) | ||
900 | { | ||
901 | struct dib7000p_state *st = demod->demodulator_priv; | ||
902 | return dibx000_get_i2c_adapter(&st->i2c_master, intf, gating); | ||
903 | } | ||
904 | EXPORT_SYMBOL(dib7000p_get_i2c_master); | ||
905 | |||
906 | int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000p_config cfg[]) | ||
907 | { | ||
908 | struct dib7000p_state st = { .i2c_adap = i2c }; | ||
909 | int k = 0; | ||
910 | u8 new_addr = 0; | ||
911 | |||
912 | for (k = no_of_demods-1; k >= 0; k--) { | ||
913 | st.cfg = cfg[k]; | ||
914 | |||
915 | /* designated i2c address */ | ||
916 | new_addr = (0x40 + k) << 1; | ||
917 | st.i2c_addr = new_addr; | ||
918 | if (dib7000p_identify(&st) != 0) { | ||
919 | st.i2c_addr = default_addr; | ||
920 | if (dib7000p_identify(&st) != 0) { | ||
921 | dprintk("DiB7000P #%d: not identified\n", k); | ||
922 | return -EIO; | ||
923 | } | ||
924 | } | ||
925 | |||
926 | /* start diversity to pull_down div_str - just for i2c-enumeration */ | ||
927 | dib7000p_set_output_mode(&st, OUTMODE_DIVERSITY); | ||
928 | |||
929 | /* set new i2c address and force divstart */ | ||
930 | dib7000p_write_word(&st, 1285, (new_addr << 2) | 0x2); | ||
931 | |||
932 | dprintk("IC %d initialized (to i2c_address 0x%x)\n", k, new_addr); | ||
933 | } | ||
934 | |||
935 | for (k = 0; k < no_of_demods; k++) { | ||
936 | st.cfg = cfg[k]; | ||
937 | st.i2c_addr = (0x40 + k) << 1; | ||
938 | |||
939 | // unforce divstr | ||
940 | dib7000p_write_word(&st, 1285, st.i2c_addr << 2); | ||
941 | |||
942 | /* deactivate div - it was just for i2c-enumeration */ | ||
943 | dib7000p_set_output_mode(&st, OUTMODE_HIGH_Z); | ||
944 | } | ||
945 | |||
946 | return 0; | ||
947 | } | ||
948 | EXPORT_SYMBOL(dib7000p_i2c_enumeration); | ||
949 | |||
950 | static struct dvb_frontend_ops dib7000p_ops; | ||
951 | struct dvb_frontend * dib7000p_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg) | ||
952 | { | ||
953 | struct dvb_frontend *demod; | ||
954 | struct dib7000p_state *st; | ||
955 | st = kzalloc(sizeof(struct dib7000p_state), GFP_KERNEL); | ||
956 | if (st == NULL) | ||
957 | return NULL; | ||
958 | |||
959 | memcpy(&st->cfg, cfg, sizeof(struct dib7000p_config)); | ||
960 | st->i2c_adap = i2c_adap; | ||
961 | st->i2c_addr = i2c_addr; | ||
962 | st->gpio_val = cfg->gpio_val; | ||
963 | st->gpio_dir = cfg->gpio_dir; | ||
964 | |||
965 | demod = &st->demod; | ||
966 | demod->demodulator_priv = st; | ||
967 | memcpy(&st->demod.ops, &dib7000p_ops, sizeof(struct dvb_frontend_ops)); | ||
968 | |||
969 | if (dib7000p_identify(st) != 0) | ||
970 | goto error; | ||
971 | |||
972 | dibx000_init_i2c_master(&st->i2c_master, DIB7000P, st->i2c_adap, st->i2c_addr); | ||
973 | |||
974 | dib7000p_demod_reset(st); | ||
975 | |||
976 | return demod; | ||
977 | |||
978 | error: | ||
979 | kfree(st); | ||
980 | return NULL; | ||
981 | } | ||
982 | EXPORT_SYMBOL(dib7000p_attach); | ||
983 | |||
984 | static struct dvb_frontend_ops dib7000p_ops = { | ||
985 | .info = { | ||
986 | .name = "DiBcom 7000PC", | ||
987 | .type = FE_OFDM, | ||
988 | .frequency_min = 44250000, | ||
989 | .frequency_max = 867250000, | ||
990 | .frequency_stepsize = 62500, | ||
991 | .caps = FE_CAN_INVERSION_AUTO | | ||
992 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | | ||
993 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | | ||
994 | FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | | ||
995 | FE_CAN_TRANSMISSION_MODE_AUTO | | ||
996 | FE_CAN_GUARD_INTERVAL_AUTO | | ||
997 | FE_CAN_RECOVER | | ||
998 | FE_CAN_HIERARCHY_AUTO, | ||
999 | }, | ||
1000 | |||
1001 | .release = dib7000p_release, | ||
1002 | |||
1003 | .init = dib7000p_init, | ||
1004 | .sleep = dib7000p_sleep, | ||
1005 | |||
1006 | .set_frontend = dib7000p_set_frontend, | ||
1007 | .get_tune_settings = dib7000p_fe_get_tune_settings, | ||
1008 | .get_frontend = dib7000p_get_frontend, | ||
1009 | |||
1010 | .read_status = dib7000p_read_status, | ||
1011 | .read_ber = dib7000p_read_ber, | ||
1012 | .read_signal_strength = dib7000p_read_signal_strength, | ||
1013 | .read_snr = dib7000p_read_snr, | ||
1014 | .read_ucblocks = dib7000p_read_unc_blocks, | ||
1015 | }; | ||
1016 | |||
1017 | MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>"); | ||
1018 | MODULE_DESCRIPTION("Driver for the DiBcom 7000PC COFDM demodulator"); | ||
1019 | MODULE_LICENSE("GPL"); | ||
diff --git a/drivers/media/dvb/frontends/dib7000p.h b/drivers/media/dvb/frontends/dib7000p.h new file mode 100644 index 000000000000..79465cf1aced --- /dev/null +++ b/drivers/media/dvb/frontends/dib7000p.h | |||
@@ -0,0 +1,46 @@ | |||
1 | #ifndef DIB7000P_H | ||
2 | #define DIB7000P_H | ||
3 | |||
4 | #include "dibx000_common.h" | ||
5 | |||
6 | struct dib7000p_config { | ||
7 | u8 output_mpeg2_in_188_bytes; | ||
8 | u8 hostbus_diversity; | ||
9 | u8 tuner_is_baseband; | ||
10 | int (*update_lna) (struct dvb_frontend *, u16 agc_global); | ||
11 | |||
12 | struct dibx000_agc_config *agc; | ||
13 | struct dibx000_bandwidth_config *bw; | ||
14 | |||
15 | #define DIB7000P_GPIO_DEFAULT_DIRECTIONS 0xffff | ||
16 | u16 gpio_dir; | ||
17 | #define DIB7000P_GPIO_DEFAULT_VALUES 0x0000 | ||
18 | u16 gpio_val; | ||
19 | #define DIB7000P_GPIO_PWM_POS0(v) ((v & 0xf) << 12) | ||
20 | #define DIB7000P_GPIO_PWM_POS1(v) ((v & 0xf) << 8 ) | ||
21 | #define DIB7000P_GPIO_PWM_POS2(v) ((v & 0xf) << 4 ) | ||
22 | #define DIB7000P_GPIO_PWM_POS3(v) (v & 0xf) | ||
23 | #define DIB7000P_GPIO_DEFAULT_PWM_POS 0xffff | ||
24 | u16 gpio_pwm_pos; | ||
25 | |||
26 | u16 pwm_freq_div; | ||
27 | |||
28 | u8 quartz_direct; | ||
29 | |||
30 | int (*agc_control) (struct dvb_frontend *, u8 before); | ||
31 | }; | ||
32 | |||
33 | #define DEFAULT_DIB7000P_I2C_ADDRESS 18 | ||
34 | |||
35 | extern struct dvb_frontend * dib7000p_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg); | ||
36 | extern struct i2c_adapter * dib7000p_get_i2c_master(struct dvb_frontend *, enum dibx000_i2c_interface, int); | ||
37 | extern int dib7000pc_detection(struct i2c_adapter *i2c_adap); | ||
38 | |||
39 | /* TODO | ||
40 | extern INT dib7000p_set_gpio(struct dibDemod *demod, UCHAR num, UCHAR dir, UCHAR val); | ||
41 | extern INT dib7000p_enable_vbg_voltage(struct dibDemod *demod); | ||
42 | extern void dib7000p_set_hostbus_diversity(struct dibDemod *demod, UCHAR onoff); | ||
43 | extern USHORT dib7000p_get_current_agc_global(struct dibDemod *demod); | ||
44 | */ | ||
45 | |||
46 | #endif | ||