Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
de48eebc HH |
2 | |
3 | i2c tv tuner chip device driver | |
4 | controls the philips tda8290+75 tuner chip combo. | |
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 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
910bb3e3 MK |
19 | |
20 | This "tda8290" module was split apart from the original "tuner" module. | |
de48eebc HH |
21 | */ |
22 | ||
1da177e4 | 23 | #include <linux/i2c.h> |
1da177e4 | 24 | #include <linux/delay.h> |
7f6adeaf | 25 | #include <linux/videodev2.h> |
ab166050 | 26 | #include "tuner-i2c.h" |
910bb3e3 | 27 | #include "tda8290.h" |
746d9732 | 28 | #include "tda827x.h" |
5bea1cd3 | 29 | #include "tda18271.h" |
910bb3e3 | 30 | |
ab166050 MK |
31 | static int debug; |
32 | module_param(debug, int, 0644); | |
910bb3e3 MK |
33 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); |
34 | ||
9af0ef27 | 35 | static int deemphasis_50; |
b450b92e | 36 | module_param(deemphasis_50, int, 0644); |
9af0ef27 MCC |
37 | MODULE_PARM_DESC(deemphasis_50, "0 - 75us deemphasis; 1 - 50us deemphasis"); |
38 | ||
1da177e4 LT |
39 | /* ---------------------------------------------------------------------- */ |
40 | ||
b2083199 | 41 | struct tda8290_priv { |
db8a6956 MK |
42 | struct tuner_i2c_props i2c_props; |
43 | ||
b2083199 | 44 | unsigned char tda8290_easy_mode; |
746d9732 | 45 | |
b2083199 | 46 | unsigned char tda827x_addr; |
8c125f2c MK |
47 | |
48 | unsigned char ver; | |
49 | #define TDA8290 1 | |
50 | #define TDA8295 2 | |
51 | #define TDA8275 4 | |
52 | #define TDA8275A 8 | |
53 | #define TDA18271 16 | |
1da177e4 | 54 | |
746d9732 | 55 | struct tda827x_config cfg; |
1da177e4 LT |
56 | }; |
57 | ||
de48eebc | 58 | /*---------------------------------------------------------------------*/ |
1da177e4 | 59 | |
a72dd305 | 60 | static int tda8290_i2c_bridge(struct dvb_frontend *fe, int close) |
de48eebc | 61 | { |
4e9154b8 | 62 | struct tda8290_priv *priv = fe->analog_demod_priv; |
db8a6956 | 63 | |
de48eebc | 64 | unsigned char enable[2] = { 0x21, 0xC0 }; |
0157a9cc | 65 | unsigned char disable[2] = { 0x21, 0x00 }; |
de48eebc | 66 | unsigned char *msg; |
a72dd305 MK |
67 | |
68 | if (close) { | |
de48eebc | 69 | msg = enable; |
db8a6956 | 70 | tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); |
de48eebc HH |
71 | /* let the bridge stabilize */ |
72 | msleep(20); | |
73 | } else { | |
74 | msg = disable; | |
db8a6956 | 75 | tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); |
de48eebc | 76 | } |
a72dd305 MK |
77 | |
78 | return 0; | |
1da177e4 LT |
79 | } |
80 | ||
a72dd305 | 81 | static int tda8295_i2c_bridge(struct dvb_frontend *fe, int close) |
5bea1cd3 | 82 | { |
4e9154b8 | 83 | struct tda8290_priv *priv = fe->analog_demod_priv; |
5bea1cd3 MK |
84 | |
85 | unsigned char enable[2] = { 0x45, 0xc1 }; | |
86 | unsigned char disable[2] = { 0x46, 0x00 }; | |
87 | unsigned char buf[3] = { 0x45, 0x01, 0x00 }; | |
88 | unsigned char *msg; | |
a72dd305 | 89 | |
5bea1cd3 MK |
90 | if (close) { |
91 | msg = enable; | |
92 | tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); | |
93 | /* let the bridge stabilize */ | |
94 | msleep(20); | |
95 | } else { | |
96 | msg = disable; | |
97 | tuner_i2c_xfer_send(&priv->i2c_props, msg, 1); | |
98 | tuner_i2c_xfer_recv(&priv->i2c_props, &msg[1], 1); | |
99 | ||
100 | buf[2] = msg[1]; | |
101 | buf[2] &= ~0x04; | |
102 | tuner_i2c_xfer_send(&priv->i2c_props, buf, 3); | |
103 | msleep(5); | |
104 | ||
105 | msg[1] |= 0x04; | |
106 | tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); | |
107 | } | |
a72dd305 MK |
108 | |
109 | return 0; | |
5bea1cd3 MK |
110 | } |
111 | ||
de48eebc HH |
112 | /*---------------------------------------------------------------------*/ |
113 | ||
c7919d52 MK |
114 | static void set_audio(struct dvb_frontend *fe, |
115 | struct analog_parameters *params) | |
1da177e4 | 116 | { |
4e9154b8 | 117 | struct tda8290_priv *priv = fe->analog_demod_priv; |
910bb3e3 MK |
118 | char* mode; |
119 | ||
c7919d52 | 120 | if (params->std & V4L2_STD_MN) { |
910bb3e3 | 121 | priv->tda8290_easy_mode = 0x01; |
910bb3e3 | 122 | mode = "MN"; |
c7919d52 | 123 | } else if (params->std & V4L2_STD_B) { |
910bb3e3 MK |
124 | priv->tda8290_easy_mode = 0x02; |
125 | mode = "B"; | |
c7919d52 | 126 | } else if (params->std & V4L2_STD_GH) { |
910bb3e3 MK |
127 | priv->tda8290_easy_mode = 0x04; |
128 | mode = "GH"; | |
c7919d52 | 129 | } else if (params->std & V4L2_STD_PAL_I) { |
910bb3e3 MK |
130 | priv->tda8290_easy_mode = 0x08; |
131 | mode = "I"; | |
c7919d52 | 132 | } else if (params->std & V4L2_STD_DK) { |
910bb3e3 MK |
133 | priv->tda8290_easy_mode = 0x10; |
134 | mode = "DK"; | |
c7919d52 | 135 | } else if (params->std & V4L2_STD_SECAM_L) { |
910bb3e3 MK |
136 | priv->tda8290_easy_mode = 0x20; |
137 | mode = "L"; | |
c7919d52 | 138 | } else if (params->std & V4L2_STD_SECAM_LC) { |
910bb3e3 MK |
139 | priv->tda8290_easy_mode = 0x40; |
140 | mode = "LC"; | |
141 | } else { | |
910bb3e3 MK |
142 | priv->tda8290_easy_mode = 0x10; |
143 | mode = "xx"; | |
144 | } | |
145 | ||
9af0ef27 | 146 | if (params->mode == V4L2_TUNER_RADIO) { |
3f76cf8c MK |
147 | /* Set TDA8295 to FM radio; Start TDA8290 with MN values */ |
148 | priv->tda8290_easy_mode = (priv->ver & TDA8295) ? 0x80 : 0x01; | |
9af0ef27 MCC |
149 | tuner_dbg("setting to radio FM\n"); |
150 | } else { | |
151 | tuner_dbg("setting tda829x to system %s\n", mode); | |
152 | } | |
910bb3e3 MK |
153 | } |
154 | ||
4c27f1a4 | 155 | static struct { |
9af0ef27 MCC |
156 | unsigned char seq[2]; |
157 | } fm_mode[] = { | |
158 | { { 0x01, 0x81} }, /* Put device into expert mode */ | |
159 | { { 0x03, 0x48} }, /* Disable NOTCH and VIDEO filters */ | |
160 | { { 0x04, 0x04} }, /* Disable color carrier filter (SSIF) */ | |
161 | { { 0x05, 0x04} }, /* ADC headroom */ | |
162 | { { 0x06, 0x10} }, /* group delay flat */ | |
163 | ||
164 | { { 0x07, 0x00} }, /* use the same radio DTO values as a tda8295 */ | |
165 | { { 0x08, 0x00} }, | |
166 | { { 0x09, 0x80} }, | |
167 | { { 0x0a, 0xda} }, | |
168 | { { 0x0b, 0x4b} }, | |
169 | { { 0x0c, 0x68} }, | |
170 | ||
171 | { { 0x0d, 0x00} }, /* PLL off, no video carrier detect */ | |
172 | { { 0x14, 0x00} }, /* disable auto mute if no video */ | |
173 | }; | |
174 | ||
c7919d52 MK |
175 | static void tda8290_set_params(struct dvb_frontend *fe, |
176 | struct analog_parameters *params) | |
910bb3e3 | 177 | { |
4e9154b8 | 178 | struct tda8290_priv *priv = fe->analog_demod_priv; |
4e9154b8 | 179 | |
de48eebc | 180 | unsigned char soft_reset[] = { 0x00, 0x00 }; |
b2083199 | 181 | unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode }; |
de48eebc | 182 | unsigned char expert_mode[] = { 0x01, 0x80 }; |
0157a9cc | 183 | unsigned char agc_out_on[] = { 0x02, 0x00 }; |
de48eebc HH |
184 | unsigned char gainset_off[] = { 0x28, 0x14 }; |
185 | unsigned char if_agc_spd[] = { 0x0f, 0x88 }; | |
186 | unsigned char adc_head_6[] = { 0x05, 0x04 }; | |
187 | unsigned char adc_head_9[] = { 0x05, 0x02 }; | |
188 | unsigned char adc_head_12[] = { 0x05, 0x01 }; | |
189 | unsigned char pll_bw_nom[] = { 0x0d, 0x47 }; | |
190 | unsigned char pll_bw_low[] = { 0x0d, 0x27 }; | |
191 | unsigned char gainset_2[] = { 0x28, 0x64 }; | |
192 | unsigned char agc_rst_on[] = { 0x0e, 0x0b }; | |
193 | unsigned char agc_rst_off[] = { 0x0e, 0x09 }; | |
194 | unsigned char if_agc_set[] = { 0x0f, 0x81 }; | |
195 | unsigned char addr_adc_sat = 0x1a; | |
196 | unsigned char addr_agc_stat = 0x1d; | |
197 | unsigned char addr_pll_stat = 0x1b; | |
198 | unsigned char adc_sat, agc_stat, | |
9a741ec9 | 199 | pll_stat; |
58ef4f92 | 200 | int i; |
de48eebc | 201 | |
c7919d52 | 202 | set_audio(fe, params); |
910bb3e3 | 203 | |
ab166050 | 204 | if (priv->cfg.config) |
7bff4b4d | 205 | tuner_dbg("tda827xa config is 0x%02x\n", priv->cfg.config); |
db8a6956 MK |
206 | tuner_i2c_xfer_send(&priv->i2c_props, easy_mode, 2); |
207 | tuner_i2c_xfer_send(&priv->i2c_props, agc_out_on, 2); | |
208 | tuner_i2c_xfer_send(&priv->i2c_props, soft_reset, 2); | |
de48eebc HH |
209 | msleep(1); |
210 | ||
9af0ef27 | 211 | if (params->mode == V4L2_TUNER_RADIO) { |
9af0ef27 MCC |
212 | unsigned char deemphasis[] = { 0x13, 1 }; |
213 | ||
214 | /* FIXME: allow using a different deemphasis */ | |
215 | ||
216 | if (deemphasis_50) | |
217 | deemphasis[1] = 2; | |
218 | ||
219 | for (i = 0; i < ARRAY_SIZE(fm_mode); i++) | |
220 | tuner_i2c_xfer_send(&priv->i2c_props, fm_mode[i].seq, 2); | |
221 | ||
222 | tuner_i2c_xfer_send(&priv->i2c_props, deemphasis, 2); | |
223 | } else { | |
224 | expert_mode[1] = priv->tda8290_easy_mode + 0x80; | |
225 | tuner_i2c_xfer_send(&priv->i2c_props, expert_mode, 2); | |
226 | tuner_i2c_xfer_send(&priv->i2c_props, gainset_off, 2); | |
227 | tuner_i2c_xfer_send(&priv->i2c_props, if_agc_spd, 2); | |
228 | if (priv->tda8290_easy_mode & 0x60) | |
229 | tuner_i2c_xfer_send(&priv->i2c_props, adc_head_9, 2); | |
230 | else | |
231 | tuner_i2c_xfer_send(&priv->i2c_props, adc_head_6, 2); | |
232 | tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2); | |
233 | } | |
de48eebc | 234 | |
4e9154b8 | 235 | tda8290_i2c_bridge(fe, 1); |
746d9732 | 236 | |
4e9154b8 | 237 | if (fe->ops.tuner_ops.set_analog_params) |
c7919d52 | 238 | fe->ops.tuner_ops.set_analog_params(fe, params); |
746d9732 | 239 | |
58ef4f92 | 240 | for (i = 0; i < 3; i++) { |
db8a6956 MK |
241 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); |
242 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); | |
58ef4f92 | 243 | if (pll_stat & 0x80) { |
db8a6956 MK |
244 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1); |
245 | tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1); | |
246 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); | |
247 | tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); | |
58ef4f92 HH |
248 | tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat); |
249 | break; | |
250 | } else { | |
251 | tuner_dbg("tda8290 not locked, no signal?\n"); | |
252 | msleep(100); | |
253 | } | |
254 | } | |
de48eebc | 255 | /* adjust headroom resp. gain */ |
4ac95af9 HH |
256 | if ((agc_stat > 115) || (!(pll_stat & 0x80) && (adc_sat < 20))) { |
257 | tuner_dbg("adjust gain, step 1. Agc: %d, ADC stat: %d, lock: %d\n", | |
258 | agc_stat, adc_sat, pll_stat & 0x80); | |
db8a6956 | 259 | tuner_i2c_xfer_send(&priv->i2c_props, gainset_2, 2); |
de48eebc | 260 | msleep(100); |
db8a6956 MK |
261 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); |
262 | tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); | |
263 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); | |
264 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); | |
de48eebc | 265 | if ((agc_stat > 115) || !(pll_stat & 0x80)) { |
4ac95af9 HH |
266 | tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n", |
267 | agc_stat, pll_stat & 0x80); | |
746d9732 | 268 | if (priv->cfg.agcf) |
4e9154b8 | 269 | priv->cfg.agcf(fe); |
de48eebc | 270 | msleep(100); |
db8a6956 MK |
271 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); |
272 | tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); | |
273 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); | |
274 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); | |
de48eebc HH |
275 | if((agc_stat > 115) || !(pll_stat & 0x80)) { |
276 | tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat); | |
db8a6956 MK |
277 | tuner_i2c_xfer_send(&priv->i2c_props, adc_head_12, 2); |
278 | tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_low, 2); | |
de48eebc HH |
279 | msleep(100); |
280 | } | |
281 | } | |
282 | } | |
1da177e4 | 283 | |
de48eebc | 284 | /* l/ l' deadlock? */ |
b2083199 | 285 | if(priv->tda8290_easy_mode & 0x60) { |
db8a6956 MK |
286 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1); |
287 | tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1); | |
288 | tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); | |
289 | tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); | |
de48eebc | 290 | if ((adc_sat > 20) || !(pll_stat & 0x80)) { |
4ac95af9 | 291 | tuner_dbg("trying to resolve SECAM L deadlock\n"); |
db8a6956 | 292 | tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_on, 2); |
de48eebc | 293 | msleep(40); |
db8a6956 | 294 | tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_off, 2); |
de48eebc HH |
295 | } |
296 | } | |
586b0cab | 297 | |
4e9154b8 | 298 | tda8290_i2c_bridge(fe, 0); |
db8a6956 | 299 | tuner_i2c_xfer_send(&priv->i2c_props, if_agc_set, 2); |
1da177e4 LT |
300 | } |
301 | ||
de48eebc HH |
302 | /*---------------------------------------------------------------------*/ |
303 | ||
4e9154b8 | 304 | static void tda8295_power(struct dvb_frontend *fe, int enable) |
5bea1cd3 | 305 | { |
4e9154b8 | 306 | struct tda8290_priv *priv = fe->analog_demod_priv; |
5bea1cd3 MK |
307 | unsigned char buf[] = { 0x30, 0x00 }; /* clb_stdbt */ |
308 | ||
309 | tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1); | |
310 | tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1); | |
311 | ||
312 | if (enable) | |
313 | buf[1] = 0x01; | |
314 | else | |
315 | buf[1] = 0x03; | |
316 | ||
317 | tuner_i2c_xfer_send(&priv->i2c_props, buf, 2); | |
318 | } | |
319 | ||
4e9154b8 | 320 | static void tda8295_set_easy_mode(struct dvb_frontend *fe, int enable) |
5bea1cd3 | 321 | { |
4e9154b8 | 322 | struct tda8290_priv *priv = fe->analog_demod_priv; |
5bea1cd3 MK |
323 | unsigned char buf[] = { 0x01, 0x00 }; |
324 | ||
325 | tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1); | |
326 | tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1); | |
327 | ||
328 | if (enable) | |
329 | buf[1] = 0x01; /* rising edge sets regs 0x02 - 0x23 */ | |
330 | else | |
331 | buf[1] = 0x00; /* reset active bit */ | |
332 | ||
333 | tuner_i2c_xfer_send(&priv->i2c_props, buf, 2); | |
334 | } | |
335 | ||
4e9154b8 | 336 | static void tda8295_set_video_std(struct dvb_frontend *fe) |
5bea1cd3 | 337 | { |
4e9154b8 | 338 | struct tda8290_priv *priv = fe->analog_demod_priv; |
5bea1cd3 MK |
339 | unsigned char buf[] = { 0x00, priv->tda8290_easy_mode }; |
340 | ||
341 | tuner_i2c_xfer_send(&priv->i2c_props, buf, 2); | |
342 | ||
4e9154b8 | 343 | tda8295_set_easy_mode(fe, 1); |
5bea1cd3 | 344 | msleep(20); |
4e9154b8 | 345 | tda8295_set_easy_mode(fe, 0); |
5bea1cd3 MK |
346 | } |
347 | ||
348 | /*---------------------------------------------------------------------*/ | |
349 | ||
4e9154b8 | 350 | static void tda8295_agc1_out(struct dvb_frontend *fe, int enable) |
5bea1cd3 | 351 | { |
4e9154b8 | 352 | struct tda8290_priv *priv = fe->analog_demod_priv; |
5bea1cd3 MK |
353 | unsigned char buf[] = { 0x02, 0x00 }; /* DIV_FUNC */ |
354 | ||
355 | tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1); | |
356 | tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1); | |
357 | ||
358 | if (enable) | |
359 | buf[1] &= ~0x40; | |
360 | else | |
361 | buf[1] |= 0x40; | |
362 | ||
363 | tuner_i2c_xfer_send(&priv->i2c_props, buf, 2); | |
364 | } | |
365 | ||
4e9154b8 | 366 | static void tda8295_agc2_out(struct dvb_frontend *fe, int enable) |
5bea1cd3 | 367 | { |
4e9154b8 | 368 | struct tda8290_priv *priv = fe->analog_demod_priv; |
5bea1cd3 MK |
369 | unsigned char set_gpio_cf[] = { 0x44, 0x00 }; |
370 | unsigned char set_gpio_val[] = { 0x46, 0x00 }; | |
371 | ||
372 | tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_cf[0], 1); | |
373 | tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_cf[1], 1); | |
374 | tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_val[0], 1); | |
375 | tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_val[1], 1); | |
376 | ||
377 | set_gpio_cf[1] &= 0xf0; /* clear GPIO_0 bits 3-0 */ | |
378 | ||
379 | if (enable) { | |
380 | set_gpio_cf[1] |= 0x01; /* config GPIO_0 as Open Drain Out */ | |
381 | set_gpio_val[1] &= 0xfe; /* set GPIO_0 pin low */ | |
382 | } | |
383 | tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_cf, 2); | |
384 | tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_val, 2); | |
385 | } | |
386 | ||
4e9154b8 | 387 | static int tda8295_has_signal(struct dvb_frontend *fe) |
5bea1cd3 | 388 | { |
4e9154b8 | 389 | struct tda8290_priv *priv = fe->analog_demod_priv; |
5bea1cd3 MK |
390 | |
391 | unsigned char hvpll_stat = 0x26; | |
392 | unsigned char ret; | |
393 | ||
394 | tuner_i2c_xfer_send(&priv->i2c_props, &hvpll_stat, 1); | |
395 | tuner_i2c_xfer_recv(&priv->i2c_props, &ret, 1); | |
396 | return (ret & 0x01) ? 65535 : 0; | |
397 | } | |
398 | ||
399 | /*---------------------------------------------------------------------*/ | |
400 | ||
c7919d52 MK |
401 | static void tda8295_set_params(struct dvb_frontend *fe, |
402 | struct analog_parameters *params) | |
5bea1cd3 | 403 | { |
4e9154b8 | 404 | struct tda8290_priv *priv = fe->analog_demod_priv; |
5bea1cd3 MK |
405 | |
406 | unsigned char blanking_mode[] = { 0x1d, 0x00 }; | |
407 | ||
c7919d52 | 408 | set_audio(fe, params); |
5bea1cd3 | 409 | |
7e28adb2 | 410 | tuner_dbg("%s: freq = %d\n", __func__, params->frequency); |
5bea1cd3 | 411 | |
4e9154b8 MK |
412 | tda8295_power(fe, 1); |
413 | tda8295_agc1_out(fe, 1); | |
5bea1cd3 MK |
414 | |
415 | tuner_i2c_xfer_send(&priv->i2c_props, &blanking_mode[0], 1); | |
416 | tuner_i2c_xfer_recv(&priv->i2c_props, &blanking_mode[1], 1); | |
417 | ||
4e9154b8 | 418 | tda8295_set_video_std(fe); |
5bea1cd3 MK |
419 | |
420 | blanking_mode[1] = 0x03; | |
421 | tuner_i2c_xfer_send(&priv->i2c_props, blanking_mode, 2); | |
422 | msleep(20); | |
423 | ||
4e9154b8 | 424 | tda8295_i2c_bridge(fe, 1); |
5bea1cd3 | 425 | |
4e9154b8 | 426 | if (fe->ops.tuner_ops.set_analog_params) |
c7919d52 | 427 | fe->ops.tuner_ops.set_analog_params(fe, params); |
5bea1cd3 MK |
428 | |
429 | if (priv->cfg.agcf) | |
4e9154b8 | 430 | priv->cfg.agcf(fe); |
5bea1cd3 | 431 | |
4e9154b8 | 432 | if (tda8295_has_signal(fe)) |
5bea1cd3 MK |
433 | tuner_dbg("tda8295 is locked\n"); |
434 | else | |
435 | tuner_dbg("tda8295 not locked, no signal?\n"); | |
436 | ||
4e9154b8 | 437 | tda8295_i2c_bridge(fe, 0); |
5bea1cd3 MK |
438 | } |
439 | ||
440 | /*---------------------------------------------------------------------*/ | |
441 | ||
4e9154b8 | 442 | static int tda8290_has_signal(struct dvb_frontend *fe) |
1da177e4 | 443 | { |
4e9154b8 | 444 | struct tda8290_priv *priv = fe->analog_demod_priv; |
1da177e4 | 445 | |
910bb3e3 MK |
446 | unsigned char i2c_get_afc[1] = { 0x1B }; |
447 | unsigned char afc = 0; | |
1da177e4 | 448 | |
910bb3e3 MK |
449 | tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc)); |
450 | tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1); | |
746d9732 | 451 | return (afc & 0x80)? 65535:0; |
1da177e4 LT |
452 | } |
453 | ||
de48eebc HH |
454 | /*---------------------------------------------------------------------*/ |
455 | ||
4e9154b8 | 456 | static void tda8290_standby(struct dvb_frontend *fe) |
793cf9e6 | 457 | { |
4e9154b8 MK |
458 | struct tda8290_priv *priv = fe->analog_demod_priv; |
459 | ||
de48eebc HH |
460 | unsigned char cb1[] = { 0x30, 0xD0 }; |
461 | unsigned char tda8290_standby[] = { 0x00, 0x02 }; | |
0157a9cc | 462 | unsigned char tda8290_agc_tri[] = { 0x02, 0x20 }; |
b2083199 | 463 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2}; |
de48eebc | 464 | |
4e9154b8 | 465 | tda8290_i2c_bridge(fe, 1); |
8c125f2c | 466 | if (priv->ver & TDA8275A) |
de48eebc | 467 | cb1[1] = 0x90; |
db8a6956 | 468 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
4e9154b8 | 469 | tda8290_i2c_bridge(fe, 0); |
db8a6956 MK |
470 | tuner_i2c_xfer_send(&priv->i2c_props, tda8290_agc_tri, 2); |
471 | tuner_i2c_xfer_send(&priv->i2c_props, tda8290_standby, 2); | |
793cf9e6 MCC |
472 | } |
473 | ||
4e9154b8 | 474 | static void tda8295_standby(struct dvb_frontend *fe) |
5bea1cd3 | 475 | { |
4e9154b8 | 476 | tda8295_agc1_out(fe, 0); /* Put AGC in tri-state */ |
5bea1cd3 | 477 | |
4e9154b8 | 478 | tda8295_power(fe, 0); |
5bea1cd3 MK |
479 | } |
480 | ||
4e9154b8 | 481 | static void tda8290_init_if(struct dvb_frontend *fe) |
de48eebc | 482 | { |
4e9154b8 | 483 | struct tda8290_priv *priv = fe->analog_demod_priv; |
db8a6956 | 484 | |
de48eebc | 485 | unsigned char set_VS[] = { 0x30, 0x6F }; |
58ef4f92 | 486 | unsigned char set_GP00_CF[] = { 0x20, 0x01 }; |
de48eebc HH |
487 | unsigned char set_GP01_CF[] = { 0x20, 0x0B }; |
488 | ||
7bff4b4d | 489 | if ((priv->cfg.config == 1) || (priv->cfg.config == 2)) |
db8a6956 | 490 | tuner_i2c_xfer_send(&priv->i2c_props, set_GP00_CF, 2); |
58ef4f92 | 491 | else |
db8a6956 MK |
492 | tuner_i2c_xfer_send(&priv->i2c_props, set_GP01_CF, 2); |
493 | tuner_i2c_xfer_send(&priv->i2c_props, set_VS, 2); | |
de48eebc HH |
494 | } |
495 | ||
4e9154b8 | 496 | static void tda8295_init_if(struct dvb_frontend *fe) |
5bea1cd3 | 497 | { |
4e9154b8 | 498 | struct tda8290_priv *priv = fe->analog_demod_priv; |
5bea1cd3 MK |
499 | |
500 | static unsigned char set_adc_ctl[] = { 0x33, 0x14 }; | |
501 | static unsigned char set_adc_ctl2[] = { 0x34, 0x00 }; | |
502 | static unsigned char set_pll_reg6[] = { 0x3e, 0x63 }; | |
503 | static unsigned char set_pll_reg0[] = { 0x38, 0x23 }; | |
504 | static unsigned char set_pll_reg7[] = { 0x3f, 0x01 }; | |
505 | static unsigned char set_pll_reg10[] = { 0x42, 0x61 }; | |
506 | static unsigned char set_gpio_reg0[] = { 0x44, 0x0b }; | |
507 | ||
4e9154b8 | 508 | tda8295_power(fe, 1); |
5bea1cd3 | 509 | |
4e9154b8 MK |
510 | tda8295_set_easy_mode(fe, 0); |
511 | tda8295_set_video_std(fe); | |
5bea1cd3 MK |
512 | |
513 | tuner_i2c_xfer_send(&priv->i2c_props, set_adc_ctl, 2); | |
514 | tuner_i2c_xfer_send(&priv->i2c_props, set_adc_ctl2, 2); | |
515 | tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg6, 2); | |
516 | tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg0, 2); | |
517 | tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg7, 2); | |
518 | tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg10, 2); | |
519 | tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_reg0, 2); | |
520 | ||
4e9154b8 MK |
521 | tda8295_agc1_out(fe, 0); |
522 | tda8295_agc2_out(fe, 0); | |
5bea1cd3 MK |
523 | } |
524 | ||
4e9154b8 | 525 | static void tda8290_init_tuner(struct dvb_frontend *fe) |
1da177e4 | 526 | { |
4e9154b8 | 527 | struct tda8290_priv *priv = fe->analog_demod_priv; |
de48eebc | 528 | unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf, |
9a741ec9 | 529 | 0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 }; |
de48eebc | 530 | unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b, |
9a741ec9 | 531 | 0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b }; |
b2083199 | 532 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, |
c2f6f9d8 | 533 | .buf=tda8275_init, .len = 14}; |
8c125f2c | 534 | if (priv->ver & TDA8275A) |
de48eebc HH |
535 | msg.buf = tda8275a_init; |
536 | ||
4e9154b8 | 537 | tda8290_i2c_bridge(fe, 1); |
db8a6956 | 538 | i2c_transfer(priv->i2c_props.adap, &msg, 1); |
4e9154b8 | 539 | tda8290_i2c_bridge(fe, 0); |
de48eebc HH |
540 | } |
541 | ||
542 | /*---------------------------------------------------------------------*/ | |
1da177e4 | 543 | |
4e9154b8 | 544 | static void tda829x_release(struct dvb_frontend *fe) |
024cf530 | 545 | { |
a4f263b5 MK |
546 | struct tda8290_priv *priv = fe->analog_demod_priv; |
547 | ||
006ed1ec MK |
548 | /* only try to release the tuner if we've |
549 | * attached it from within this module */ | |
550 | if (priv->ver & (TDA18271 | TDA8275 | TDA8275A)) | |
a4f263b5 MK |
551 | if (fe->ops.tuner_ops.release) |
552 | fe->ops.tuner_ops.release(fe); | |
024cf530 | 553 | |
4e9154b8 MK |
554 | kfree(fe->analog_demod_priv); |
555 | fe->analog_demod_priv = NULL; | |
910bb3e3 MK |
556 | } |
557 | ||
f21e0d7f MK |
558 | static struct tda18271_config tda829x_tda18271_config = { |
559 | .gate = TDA18271_GATE_ANALOG, | |
560 | }; | |
561 | ||
8c125f2c | 562 | static int tda829x_find_tuner(struct dvb_frontend *fe) |
de48eebc | 563 | { |
8c125f2c | 564 | struct tda8290_priv *priv = fe->analog_demod_priv; |
bc3e5c7f | 565 | struct analog_demod_ops *analog_ops = &fe->ops.analog_ops; |
de48eebc HH |
566 | int i, ret, tuners_found; |
567 | u32 tuner_addrs; | |
8c125f2c MK |
568 | u8 data; |
569 | struct i2c_msg msg = { .flags = I2C_M_RD, .buf = &data, .len = 1 }; | |
de48eebc | 570 | |
31063814 MCC |
571 | if (!analog_ops->i2c_gate_ctrl) { |
572 | printk(KERN_ERR "tda8290: no gate control were provided!\n"); | |
573 | ||
8c125f2c | 574 | return -EINVAL; |
31063814 | 575 | } |
746d9732 | 576 | |
bc3e5c7f | 577 | analog_ops->i2c_gate_ctrl(fe, 1); |
db8a6956 | 578 | |
de48eebc HH |
579 | /* probe for tuner chip */ |
580 | tuners_found = 0; | |
581 | tuner_addrs = 0; | |
8c125f2c | 582 | for (i = 0x60; i <= 0x63; i++) { |
de48eebc | 583 | msg.addr = i; |
db8a6956 | 584 | ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); |
de48eebc HH |
585 | if (ret == 1) { |
586 | tuners_found++; | |
587 | tuner_addrs = (tuner_addrs << 8) + i; | |
588 | } | |
589 | } | |
590 | /* if there is more than one tuner, we expect the right one is | |
591 | behind the bridge and we choose the highest address that doesn't | |
592 | give a response now | |
593 | */ | |
8c125f2c | 594 | |
bc3e5c7f | 595 | analog_ops->i2c_gate_ctrl(fe, 0); |
8c125f2c MK |
596 | |
597 | if (tuners_found > 1) | |
de48eebc HH |
598 | for (i = 0; i < tuners_found; i++) { |
599 | msg.addr = tuner_addrs & 0xff; | |
db8a6956 | 600 | ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); |
8c125f2c | 601 | if (ret == 1) |
de48eebc HH |
602 | tuner_addrs = tuner_addrs >> 8; |
603 | else | |
604 | break; | |
605 | } | |
8c125f2c | 606 | |
de48eebc | 607 | if (tuner_addrs == 0) { |
8c125f2c MK |
608 | tuner_addrs = 0x60; |
609 | tuner_info("could not clearly identify tuner address, " | |
610 | "defaulting to %x\n", tuner_addrs); | |
de48eebc HH |
611 | } else { |
612 | tuner_addrs = tuner_addrs & 0xff; | |
910bb3e3 | 613 | tuner_info("setting tuner address to %x\n", tuner_addrs); |
de48eebc | 614 | } |
b2083199 | 615 | priv->tda827x_addr = tuner_addrs; |
de48eebc HH |
616 | msg.addr = tuner_addrs; |
617 | ||
bc3e5c7f | 618 | analog_ops->i2c_gate_ctrl(fe, 1); |
db8a6956 | 619 | ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); |
910bb3e3 | 620 | |
8c125f2c MK |
621 | if (ret != 1) { |
622 | tuner_warn("tuner access failed!\n"); | |
31063814 | 623 | analog_ops->i2c_gate_ctrl(fe, 0); |
8c125f2c | 624 | return -EREMOTEIO; |
de48eebc | 625 | } |
746d9732 | 626 | |
255b5113 | 627 | if ((data == 0x83) || (data == 0x84)) { |
8c125f2c | 628 | priv->ver |= TDA18271; |
adcc4b3e | 629 | tda829x_tda18271_config.config = priv->cfg.config; |
a07c8779 MK |
630 | dvb_attach(tda18271_attach, fe, priv->tda827x_addr, |
631 | priv->i2c_props.adap, &tda829x_tda18271_config); | |
8c125f2c MK |
632 | } else { |
633 | if ((data & 0x3c) == 0) | |
634 | priv->ver |= TDA8275; | |
635 | else | |
636 | priv->ver |= TDA8275A; | |
7fd8b263 | 637 | |
a07c8779 MK |
638 | dvb_attach(tda827x_attach, fe, priv->tda827x_addr, |
639 | priv->i2c_props.adap, &priv->cfg); | |
7bff4b4d | 640 | priv->cfg.switch_addr = priv->i2c_props.addr; |
8c125f2c | 641 | } |
6881647c MK |
642 | if (fe->ops.tuner_ops.init) |
643 | fe->ops.tuner_ops.init(fe); | |
63c25480 | 644 | |
6881647c MK |
645 | if (fe->ops.tuner_ops.sleep) |
646 | fe->ops.tuner_ops.sleep(fe); | |
63c25480 | 647 | |
bc3e5c7f | 648 | analog_ops->i2c_gate_ctrl(fe, 0); |
746d9732 | 649 | |
746d9732 | 650 | return 0; |
1da177e4 | 651 | } |
5bea1cd3 | 652 | |
f1f32849 MK |
653 | static int tda8290_probe(struct tuner_i2c_props *i2c_props) |
654 | { | |
655 | #define TDA8290_ID 0x89 | |
656 | unsigned char tda8290_id[] = { 0x1f, 0x00 }; | |
657 | ||
658 | /* detect tda8290 */ | |
659 | tuner_i2c_xfer_send(i2c_props, &tda8290_id[0], 1); | |
660 | tuner_i2c_xfer_recv(i2c_props, &tda8290_id[1], 1); | |
661 | ||
662 | if (tda8290_id[1] == TDA8290_ID) { | |
ab166050 | 663 | if (debug) |
f1f32849 | 664 | printk(KERN_DEBUG "%s: tda8290 detected @ %d-%04x\n", |
7e28adb2 | 665 | __func__, i2c_adapter_id(i2c_props->adap), |
f1f32849 MK |
666 | i2c_props->addr); |
667 | return 0; | |
668 | } | |
669 | ||
1f3a4e32 | 670 | return -ENODEV; |
f1f32849 MK |
671 | } |
672 | ||
673 | static int tda8295_probe(struct tuner_i2c_props *i2c_props) | |
674 | { | |
675 | #define TDA8295_ID 0x8a | |
19f8a6c3 | 676 | #define TDA8295C2_ID 0x8b |
f1f32849 MK |
677 | unsigned char tda8295_id[] = { 0x2f, 0x00 }; |
678 | ||
679 | /* detect tda8295 */ | |
680 | tuner_i2c_xfer_send(i2c_props, &tda8295_id[0], 1); | |
681 | tuner_i2c_xfer_recv(i2c_props, &tda8295_id[1], 1); | |
682 | ||
19f8a6c3 | 683 | if ((tda8295_id[1] & 0xfe) == TDA8295_ID) { |
ab166050 | 684 | if (debug) |
19f8a6c3 MK |
685 | printk(KERN_DEBUG "%s: %s detected @ %d-%04x\n", |
686 | __func__, (tda8295_id[1] == TDA8295_ID) ? | |
687 | "tda8295c1" : "tda8295c2", | |
688 | i2c_adapter_id(i2c_props->adap), | |
f1f32849 MK |
689 | i2c_props->addr); |
690 | return 0; | |
691 | } | |
692 | ||
1f3a4e32 | 693 | return -ENODEV; |
f1f32849 MK |
694 | } |
695 | ||
bc3e5c7f | 696 | static struct analog_demod_ops tda8290_ops = { |
c7919d52 | 697 | .set_params = tda8290_set_params, |
8c125f2c MK |
698 | .has_signal = tda8290_has_signal, |
699 | .standby = tda8290_standby, | |
700 | .release = tda829x_release, | |
701 | .i2c_gate_ctrl = tda8290_i2c_bridge, | |
702 | }; | |
703 | ||
bc3e5c7f | 704 | static struct analog_demod_ops tda8295_ops = { |
c7919d52 | 705 | .set_params = tda8295_set_params, |
8c125f2c MK |
706 | .has_signal = tda8295_has_signal, |
707 | .standby = tda8295_standby, | |
708 | .release = tda829x_release, | |
709 | .i2c_gate_ctrl = tda8295_i2c_bridge, | |
710 | }; | |
711 | ||
ab166050 MK |
712 | struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe, |
713 | struct i2c_adapter *i2c_adap, u8 i2c_addr, | |
714 | struct tda829x_config *cfg) | |
5bea1cd3 MK |
715 | { |
716 | struct tda8290_priv *priv = NULL; | |
ab166050 | 717 | char *name; |
8c125f2c | 718 | |
5bea1cd3 MK |
719 | priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL); |
720 | if (priv == NULL) | |
ab166050 | 721 | return NULL; |
8c125f2c | 722 | fe->analog_demod_priv = priv; |
5bea1cd3 | 723 | |
ab166050 MK |
724 | priv->i2c_props.addr = i2c_addr; |
725 | priv->i2c_props.adap = i2c_adap; | |
2756665c | 726 | priv->i2c_props.name = "tda829x"; |
d7cba043 | 727 | if (cfg) |
ab166050 | 728 | priv->cfg.config = cfg->lna_cfg; |
5bea1cd3 | 729 | |
f1f32849 | 730 | if (tda8290_probe(&priv->i2c_props) == 0) { |
8c125f2c | 731 | priv->ver = TDA8290; |
bc3e5c7f MK |
732 | memcpy(&fe->ops.analog_ops, &tda8290_ops, |
733 | sizeof(struct analog_demod_ops)); | |
5bea1cd3 | 734 | } |
8c125f2c | 735 | |
f1f32849 | 736 | if (tda8295_probe(&priv->i2c_props) == 0) { |
8c125f2c | 737 | priv->ver = TDA8295; |
bc3e5c7f MK |
738 | memcpy(&fe->ops.analog_ops, &tda8295_ops, |
739 | sizeof(struct analog_demod_ops)); | |
5bea1cd3 | 740 | } |
5bea1cd3 | 741 | |
c9076279 MK |
742 | if ((!(cfg) || (TDA829X_PROBE_TUNER == cfg->probe_tuner)) && |
743 | (tda829x_find_tuner(fe) < 0)) | |
fa746aee | 744 | goto fail; |
5bea1cd3 | 745 | |
ab166050 | 746 | switch (priv->ver) { |
c9076279 MK |
747 | case TDA8290: |
748 | name = "tda8290"; | |
749 | break; | |
750 | case TDA8295: | |
751 | name = "tda8295"; | |
752 | break; | |
ab166050 MK |
753 | case TDA8290 | TDA8275: |
754 | name = "tda8290+75"; | |
755 | break; | |
756 | case TDA8295 | TDA8275: | |
757 | name = "tda8295+75"; | |
758 | break; | |
759 | case TDA8290 | TDA8275A: | |
760 | name = "tda8290+75a"; | |
761 | break; | |
762 | case TDA8295 | TDA8275A: | |
763 | name = "tda8295+75a"; | |
764 | break; | |
765 | case TDA8290 | TDA18271: | |
766 | name = "tda8290+18271"; | |
767 | break; | |
768 | case TDA8295 | TDA18271: | |
769 | name = "tda8295+18271"; | |
770 | break; | |
771 | default: | |
772 | goto fail; | |
773 | } | |
774 | tuner_info("type set to %s\n", name); | |
775 | ||
0f2ce983 MK |
776 | fe->ops.analog_ops.info.name = name; |
777 | ||
8c125f2c | 778 | if (priv->ver & TDA8290) { |
439b72b6 MK |
779 | if (priv->ver & (TDA8275 | TDA8275A)) |
780 | tda8290_init_tuner(fe); | |
8c125f2c MK |
781 | tda8290_init_if(fe); |
782 | } else if (priv->ver & TDA8295) | |
783 | tda8295_init_if(fe); | |
5bea1cd3 | 784 | |
ab166050 | 785 | return fe; |
fa746aee MK |
786 | |
787 | fail: | |
788 | tda829x_release(fe); | |
ab166050 | 789 | return NULL; |
5bea1cd3 | 790 | } |
8c125f2c | 791 | EXPORT_SYMBOL_GPL(tda829x_attach); |
1da177e4 | 792 | |
ab166050 | 793 | int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr) |
95736034 | 794 | { |
910bb3e3 | 795 | struct tuner_i2c_props i2c_props = { |
ab166050 MK |
796 | .adap = i2c_adap, |
797 | .addr = i2c_addr, | |
910bb3e3 | 798 | }; |
db8a6956 | 799 | |
44fd06fa HH |
800 | unsigned char soft_reset[] = { 0x00, 0x00 }; |
801 | unsigned char easy_mode_b[] = { 0x01, 0x02 }; | |
802 | unsigned char easy_mode_g[] = { 0x01, 0x04 }; | |
803 | unsigned char restore_9886[] = { 0x00, 0xd6, 0x30 }; | |
95736034 HH |
804 | unsigned char addr_dto_lsb = 0x07; |
805 | unsigned char data; | |
a818e1c8 MK |
806 | #define PROBE_BUFFER_SIZE 8 |
807 | unsigned char buf[PROBE_BUFFER_SIZE]; | |
808 | int i; | |
809 | ||
810 | /* rule out tda9887, which would return the same byte repeatedly */ | |
811 | tuner_i2c_xfer_send(&i2c_props, soft_reset, 1); | |
812 | tuner_i2c_xfer_recv(&i2c_props, buf, PROBE_BUFFER_SIZE); | |
813 | for (i = 1; i < PROBE_BUFFER_SIZE; i++) { | |
bbe1e0ba MK |
814 | if (buf[i] != buf[0]) |
815 | break; | |
a818e1c8 MK |
816 | } |
817 | ||
818 | /* all bytes are equal, not a tda829x - probably a tda9887 */ | |
819 | if (i == PROBE_BUFFER_SIZE) | |
820 | return -ENODEV; | |
95736034 | 821 | |
f1f32849 MK |
822 | if ((tda8290_probe(&i2c_props) == 0) || |
823 | (tda8295_probe(&i2c_props) == 0)) | |
824 | return 0; | |
825 | ||
826 | /* fall back to old probing method */ | |
910bb3e3 MK |
827 | tuner_i2c_xfer_send(&i2c_props, easy_mode_b, 2); |
828 | tuner_i2c_xfer_send(&i2c_props, soft_reset, 2); | |
829 | tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1); | |
830 | tuner_i2c_xfer_recv(&i2c_props, &data, 1); | |
95736034 | 831 | if (data == 0) { |
910bb3e3 MK |
832 | tuner_i2c_xfer_send(&i2c_props, easy_mode_g, 2); |
833 | tuner_i2c_xfer_send(&i2c_props, soft_reset, 2); | |
834 | tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1); | |
835 | tuner_i2c_xfer_recv(&i2c_props, &data, 1); | |
95736034 HH |
836 | if (data == 0x7b) { |
837 | return 0; | |
838 | } | |
839 | } | |
910bb3e3 | 840 | tuner_i2c_xfer_send(&i2c_props, restore_9886, 3); |
1f3a4e32 | 841 | return -ENODEV; |
95736034 | 842 | } |
f1f32849 | 843 | EXPORT_SYMBOL_GPL(tda829x_probe); |
910bb3e3 | 844 | |
8c125f2c | 845 | MODULE_DESCRIPTION("Philips/NXP TDA8290/TDA8295 analog IF demodulator driver"); |
5bea1cd3 | 846 | MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann, Michael Krufky"); |
910bb3e3 MK |
847 | MODULE_LICENSE("GPL"); |
848 | ||
1da177e4 LT |
849 | /* |
850 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
851 | * --------------------------------------------------------------------------- | |
852 | * Local variables: | |
853 | * c-basic-offset: 8 | |
854 | * End: | |
855 | */ |