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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. | |
19 | */ | |
20 | ||
1da177e4 LT |
21 | #include <linux/i2c.h> |
22 | #include <linux/videodev.h> | |
23 | #include <linux/delay.h> | |
24 | #include <media/tuner.h> | |
25 | ||
26 | /* ---------------------------------------------------------------------- */ | |
27 | ||
de48eebc HH |
28 | struct tda827x_data { |
29 | u32 lomax; | |
30 | u8 spd; | |
31 | u8 bs; | |
32 | u8 bp; | |
33 | u8 cp; | |
34 | u8 gc3; | |
35 | u8 div1p5; | |
1da177e4 LT |
36 | }; |
37 | ||
de48eebc HH |
38 | /* Note lomax entry is lo / 62500 */ |
39 | ||
40 | static struct tda827x_data tda827x_analog[] = { | |
41 | { .lomax = 992, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 62 MHz */ | |
42 | { .lomax = 1056, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 66 MHz */ | |
43 | { .lomax = 1216, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 76 MHz */ | |
44 | { .lomax = 1344, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 84 MHz */ | |
45 | { .lomax = 1488, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 93 MHz */ | |
46 | { .lomax = 1568, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 98 MHz */ | |
47 | { .lomax = 1744, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 109 MHz */ | |
48 | { .lomax = 1968, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 123 MHz */ | |
49 | { .lomax = 2128, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 133 MHz */ | |
50 | { .lomax = 2416, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 151 MHz */ | |
51 | { .lomax = 2464, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 154 MHz */ | |
52 | { .lomax = 2896, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 181 MHz */ | |
53 | { .lomax = 2960, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 185 MHz */ | |
54 | { .lomax = 3472, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 217 MHz */ | |
55 | { .lomax = 3904, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 244 MHz */ | |
56 | { .lomax = 4240, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 265 MHz */ | |
57 | { .lomax = 4832, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 302 MHz */ | |
58 | { .lomax = 5184, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 324 MHz */ | |
59 | { .lomax = 5920, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 370 MHz */ | |
60 | { .lomax = 7264, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 454 MHz */ | |
61 | { .lomax = 7888, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 493 MHz */ | |
62 | { .lomax = 8480, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 530 MHz */ | |
63 | { .lomax = 8864, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 554 MHz */ | |
64 | { .lomax = 9664, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 604 MHz */ | |
65 | { .lomax = 11088, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 696 MHz */ | |
66 | { .lomax = 11840, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 740 MHz */ | |
67 | { .lomax = 13120, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 820 MHz */ | |
68 | { .lomax = 13840, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 865 MHz */ | |
69 | { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} /* End */ | |
1da177e4 LT |
70 | }; |
71 | ||
de48eebc HH |
72 | static void tda827x_tune(struct i2c_client *c, u16 ifc, unsigned int freq) |
73 | { | |
74 | unsigned char tuner_reg[8]; | |
75 | unsigned char reg2[2]; | |
76 | u32 N; | |
77 | int i; | |
78 | struct tuner *t = i2c_get_clientdata(c); | |
79 | struct i2c_msg msg = {.addr = t->tda827x_addr, .flags = 0}; | |
1da177e4 | 80 | |
de48eebc HH |
81 | if (t->mode == V4L2_TUNER_RADIO) |
82 | freq = freq / 1000; | |
83 | ||
84 | N = freq + ifc; | |
85 | i = 0; | |
86 | while (tda827x_analog[i].lomax < N) { | |
87 | if(tda827x_analog[i + 1].lomax == 0) | |
88 | break; | |
89 | i++; | |
90 | } | |
91 | ||
92 | N = N << tda827x_analog[i].spd; | |
93 | ||
94 | tuner_reg[0] = 0; | |
95 | tuner_reg[1] = (unsigned char)(N>>8); | |
96 | tuner_reg[2] = (unsigned char) N; | |
97 | tuner_reg[3] = 0x40; | |
98 | tuner_reg[4] = 0x52 + (t->tda827x_lpsel << 5); | |
99 | tuner_reg[5] = (tda827x_analog[i].spd << 6) + (tda827x_analog[i].div1p5 <<5) + | |
9a741ec9 | 100 | (tda827x_analog[i].bs <<3) + tda827x_analog[i].bp; |
de48eebc HH |
101 | tuner_reg[6] = 0x8f + (tda827x_analog[i].gc3 << 4); |
102 | tuner_reg[7] = 0x8f; | |
103 | ||
104 | msg.buf = tuner_reg; | |
105 | msg.len = 8; | |
106 | i2c_transfer(c->adapter, &msg, 1); | |
107 | ||
108 | msg.buf= reg2; | |
109 | msg.len = 2; | |
110 | reg2[0] = 0x80; | |
111 | reg2[1] = 0; | |
112 | i2c_transfer(c->adapter, &msg, 1); | |
113 | ||
114 | reg2[0] = 0x60; | |
115 | reg2[1] = 0xbf; | |
116 | i2c_transfer(c->adapter, &msg, 1); | |
117 | ||
118 | reg2[0] = 0x30; | |
119 | reg2[1] = tuner_reg[4] + 0x80; | |
120 | i2c_transfer(c->adapter, &msg, 1); | |
121 | ||
122 | msleep(1); | |
123 | reg2[0] = 0x30; | |
124 | reg2[1] = tuner_reg[4] + 4; | |
125 | i2c_transfer(c->adapter, &msg, 1); | |
126 | ||
127 | msleep(1); | |
128 | reg2[0] = 0x30; | |
129 | reg2[1] = tuner_reg[4]; | |
130 | i2c_transfer(c->adapter, &msg, 1); | |
131 | ||
132 | msleep(550); | |
133 | reg2[0] = 0x30; | |
134 | reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_analog[i].cp ; | |
135 | i2c_transfer(c->adapter, &msg, 1); | |
1da177e4 | 136 | |
de48eebc | 137 | reg2[0] = 0x60; |
95736034 | 138 | reg2[1] = 0x3f; |
de48eebc HH |
139 | i2c_transfer(c->adapter, &msg, 1); |
140 | ||
141 | reg2[0] = 0x80; | |
142 | reg2[1] = 0x08; // Vsync en | |
143 | i2c_transfer(c->adapter, &msg, 1); | |
144 | } | |
145 | ||
146 | static void tda827x_agcf(struct i2c_client *c) | |
1da177e4 | 147 | { |
de48eebc HH |
148 | struct tuner *t = i2c_get_clientdata(c); |
149 | unsigned char data[] = {0x80, 0x0c}; | |
150 | struct i2c_msg msg = {.addr = t->tda827x_addr, .buf = data, | |
151 | .flags = 0, .len = 2}; | |
152 | i2c_transfer(c->adapter, &msg, 1); | |
1da177e4 LT |
153 | } |
154 | ||
155 | /* ---------------------------------------------------------------------- */ | |
156 | ||
de48eebc HH |
157 | struct tda827xa_data { |
158 | u32 lomax; | |
159 | u8 svco; | |
160 | u8 spd; | |
161 | u8 scr; | |
162 | u8 sbs; | |
163 | u8 gc3; | |
1da177e4 LT |
164 | }; |
165 | ||
de48eebc HH |
166 | static struct tda827xa_data tda827xa_analog[] = { |
167 | { .lomax = 910, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3}, /* 56.875 MHz */ | |
168 | { .lomax = 1076, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 67.25 MHz */ | |
169 | { .lomax = 1300, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 81.25 MHz */ | |
170 | { .lomax = 1560, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 97.5 MHz */ | |
171 | { .lomax = 1820, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, /* 113.75 MHz */ | |
172 | { .lomax = 2152, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 134.5 MHz */ | |
173 | { .lomax = 2464, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 154 MHz */ | |
174 | { .lomax = 2600, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 162.5 MHz */ | |
175 | { .lomax = 2928, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 183 MHz */ | |
176 | { .lomax = 3120, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, /* 195 MHz */ | |
177 | { .lomax = 3640, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3}, /* 227.5 MHz */ | |
178 | { .lomax = 4304, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3}, /* 269 MHz */ | |
179 | { .lomax = 5200, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, /* 325 MHz */ | |
180 | { .lomax = 6240, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 390 MHz */ | |
181 | { .lomax = 7280, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 455 MHz */ | |
182 | { .lomax = 8320, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 520 MHz */ | |
183 | { .lomax = 8608, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, /* 538 MHz */ | |
184 | { .lomax = 8864, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 554 MHz */ | |
185 | { .lomax = 9920, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 620 MHz */ | |
186 | { .lomax = 10400, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 650 MHz */ | |
187 | { .lomax = 11200, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 700 MHz */ | |
188 | { .lomax = 12480, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 780 MHz */ | |
189 | { .lomax = 13120, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 820 MHz */ | |
190 | { .lomax = 13920, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 870 MHz */ | |
191 | { .lomax = 14576, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, /* 911 MHz */ | |
192 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} /* End */ | |
1da177e4 LT |
193 | }; |
194 | ||
de48eebc HH |
195 | static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq) |
196 | { | |
197 | unsigned char tuner_reg[14]; | |
198 | unsigned char reg2[2]; | |
199 | u32 N; | |
200 | int i; | |
201 | struct tuner *t = i2c_get_clientdata(c); | |
202 | struct i2c_msg msg = {.addr = t->tda827x_addr, .flags = 0}; | |
1da177e4 | 203 | |
de48eebc HH |
204 | if (t->mode == V4L2_TUNER_RADIO) |
205 | freq = freq / 1000; | |
1da177e4 | 206 | |
de48eebc HH |
207 | N = freq + ifc; |
208 | i = 0; | |
209 | while (tda827xa_analog[i].lomax < N) { | |
210 | if(tda827xa_analog[i + 1].lomax == 0) | |
211 | break; | |
212 | i++; | |
213 | } | |
214 | ||
215 | N = N << tda827xa_analog[i].spd; | |
216 | ||
217 | tuner_reg[0] = 0; | |
218 | tuner_reg[1] = (unsigned char)(N>>8); | |
219 | tuner_reg[2] = (unsigned char) N; | |
220 | tuner_reg[3] = 0; | |
221 | tuner_reg[4] = 0x16; | |
222 | tuner_reg[5] = (tda827xa_analog[i].spd << 5) + (tda827xa_analog[i].svco << 3) + | |
9a741ec9 | 223 | tda827xa_analog[i].sbs; |
de48eebc HH |
224 | tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4); |
225 | tuner_reg[7] = 0x0c; | |
226 | tuner_reg[8] = 4; | |
227 | tuner_reg[9] = 0x20; | |
228 | tuner_reg[10] = 0xff; | |
229 | tuner_reg[11] = 0xe0; | |
230 | tuner_reg[12] = 0; | |
231 | tuner_reg[13] = 0x39 + (t->tda827x_lpsel << 1); | |
232 | ||
233 | msg.buf = tuner_reg; | |
234 | msg.len = 14; | |
235 | i2c_transfer(c->adapter, &msg, 1); | |
236 | ||
237 | msg.buf= reg2; | |
238 | msg.len = 2; | |
239 | reg2[0] = 0x60; | |
240 | reg2[1] = 0x3c; | |
241 | i2c_transfer(c->adapter, &msg, 1); | |
242 | ||
243 | reg2[0] = 0xa0; | |
244 | reg2[1] = 0xc0; | |
245 | i2c_transfer(c->adapter, &msg, 1); | |
246 | ||
247 | msleep(2); | |
248 | reg2[0] = 0x30; | |
249 | reg2[1] = 0x10 + tda827xa_analog[i].scr; | |
250 | i2c_transfer(c->adapter, &msg, 1); | |
251 | ||
252 | msleep(550); | |
253 | reg2[0] = 0x50; | |
254 | reg2[1] = 0x8f + (tda827xa_analog[i].gc3 << 4); | |
255 | i2c_transfer(c->adapter, &msg, 1); | |
256 | ||
257 | reg2[0] = 0x80; | |
258 | reg2[1] = 0x28; | |
259 | i2c_transfer(c->adapter, &msg, 1); | |
260 | ||
261 | reg2[0] = 0xb0; | |
262 | reg2[1] = 0x01; | |
263 | i2c_transfer(c->adapter, &msg, 1); | |
793cf9e6 | 264 | |
de48eebc HH |
265 | reg2[0] = 0xc0; |
266 | reg2[1] = 0x19 + (t->tda827x_lpsel << 1); | |
267 | i2c_transfer(c->adapter, &msg, 1); | |
268 | } | |
269 | ||
270 | static void tda827xa_agcf(struct i2c_client *c) | |
1da177e4 LT |
271 | { |
272 | struct tuner *t = i2c_get_clientdata(c); | |
de48eebc HH |
273 | unsigned char data[] = {0x80, 0x2c}; |
274 | struct i2c_msg msg = {.addr = t->tda827x_addr, .buf = data, | |
275 | .flags = 0, .len = 2}; | |
276 | i2c_transfer(c->adapter, &msg, 1); | |
277 | } | |
1da177e4 | 278 | |
de48eebc | 279 | /*---------------------------------------------------------------------*/ |
1da177e4 | 280 | |
de48eebc HH |
281 | static void tda8290_i2c_bridge(struct i2c_client *c, int close) |
282 | { | |
283 | unsigned char enable[2] = { 0x21, 0xC0 }; | |
0157a9cc | 284 | unsigned char disable[2] = { 0x21, 0x00 }; |
de48eebc HH |
285 | unsigned char *msg; |
286 | if(close) { | |
287 | msg = enable; | |
288 | i2c_master_send(c, msg, 2); | |
289 | /* let the bridge stabilize */ | |
290 | msleep(20); | |
291 | } else { | |
292 | msg = disable; | |
293 | i2c_master_send(c, msg, 2); | |
294 | } | |
1da177e4 LT |
295 | } |
296 | ||
de48eebc HH |
297 | /*---------------------------------------------------------------------*/ |
298 | ||
299 | static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq) | |
1da177e4 | 300 | { |
de48eebc HH |
301 | struct tuner *t = i2c_get_clientdata(c); |
302 | unsigned char soft_reset[] = { 0x00, 0x00 }; | |
303 | unsigned char easy_mode[] = { 0x01, t->tda8290_easy_mode }; | |
304 | unsigned char expert_mode[] = { 0x01, 0x80 }; | |
0157a9cc | 305 | unsigned char agc_out_on[] = { 0x02, 0x00 }; |
de48eebc HH |
306 | unsigned char gainset_off[] = { 0x28, 0x14 }; |
307 | unsigned char if_agc_spd[] = { 0x0f, 0x88 }; | |
308 | unsigned char adc_head_6[] = { 0x05, 0x04 }; | |
309 | unsigned char adc_head_9[] = { 0x05, 0x02 }; | |
310 | unsigned char adc_head_12[] = { 0x05, 0x01 }; | |
311 | unsigned char pll_bw_nom[] = { 0x0d, 0x47 }; | |
312 | unsigned char pll_bw_low[] = { 0x0d, 0x27 }; | |
313 | unsigned char gainset_2[] = { 0x28, 0x64 }; | |
314 | unsigned char agc_rst_on[] = { 0x0e, 0x0b }; | |
315 | unsigned char agc_rst_off[] = { 0x0e, 0x09 }; | |
316 | unsigned char if_agc_set[] = { 0x0f, 0x81 }; | |
317 | unsigned char addr_adc_sat = 0x1a; | |
318 | unsigned char addr_agc_stat = 0x1d; | |
319 | unsigned char addr_pll_stat = 0x1b; | |
320 | unsigned char adc_sat, agc_stat, | |
9a741ec9 | 321 | pll_stat; |
de48eebc HH |
322 | |
323 | i2c_master_send(c, easy_mode, 2); | |
0157a9cc | 324 | i2c_master_send(c, agc_out_on, 2); |
de48eebc HH |
325 | i2c_master_send(c, soft_reset, 2); |
326 | msleep(1); | |
327 | ||
4ac95af9 | 328 | expert_mode[1] = t->tda8290_easy_mode + 0x80; |
de48eebc HH |
329 | i2c_master_send(c, expert_mode, 2); |
330 | i2c_master_send(c, gainset_off, 2); | |
331 | i2c_master_send(c, if_agc_spd, 2); | |
332 | if (t->tda8290_easy_mode & 0x60) | |
333 | i2c_master_send(c, adc_head_9, 2); | |
334 | else | |
335 | i2c_master_send(c, adc_head_6, 2); | |
336 | i2c_master_send(c, pll_bw_nom, 2); | |
337 | ||
338 | tda8290_i2c_bridge(c, 1); | |
339 | if (t->tda827x_ver != 0) | |
340 | tda827xa_tune(c, ifc, freq); | |
341 | else | |
342 | tda827x_tune(c, ifc, freq); | |
343 | /* adjust headroom resp. gain */ | |
344 | i2c_master_send(c, &addr_adc_sat, 1); | |
345 | i2c_master_recv(c, &adc_sat, 1); | |
346 | i2c_master_send(c, &addr_agc_stat, 1); | |
347 | i2c_master_recv(c, &agc_stat, 1); | |
348 | i2c_master_send(c, &addr_pll_stat, 1); | |
349 | i2c_master_recv(c, &pll_stat, 1); | |
350 | if (pll_stat & 0x80) | |
351 | tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat); | |
352 | else | |
353 | tuner_dbg("tda8290 not locked, no signal?\n"); | |
4ac95af9 HH |
354 | if ((agc_stat > 115) || (!(pll_stat & 0x80) && (adc_sat < 20))) { |
355 | tuner_dbg("adjust gain, step 1. Agc: %d, ADC stat: %d, lock: %d\n", | |
356 | agc_stat, adc_sat, pll_stat & 0x80); | |
de48eebc HH |
357 | i2c_master_send(c, gainset_2, 2); |
358 | msleep(100); | |
359 | i2c_master_send(c, &addr_agc_stat, 1); | |
360 | i2c_master_recv(c, &agc_stat, 1); | |
361 | i2c_master_send(c, &addr_pll_stat, 1); | |
362 | i2c_master_recv(c, &pll_stat, 1); | |
363 | if ((agc_stat > 115) || !(pll_stat & 0x80)) { | |
4ac95af9 HH |
364 | tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n", |
365 | agc_stat, pll_stat & 0x80); | |
de48eebc HH |
366 | if (t->tda827x_ver != 0) |
367 | tda827xa_agcf(c); | |
368 | else | |
369 | tda827x_agcf(c); | |
370 | msleep(100); | |
371 | i2c_master_send(c, &addr_agc_stat, 1); | |
372 | i2c_master_recv(c, &agc_stat, 1); | |
373 | i2c_master_send(c, &addr_pll_stat, 1); | |
374 | i2c_master_recv(c, &pll_stat, 1); | |
375 | if((agc_stat > 115) || !(pll_stat & 0x80)) { | |
376 | tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat); | |
377 | i2c_master_send(c, adc_head_12, 2); | |
378 | i2c_master_send(c, pll_bw_low, 2); | |
379 | msleep(100); | |
380 | } | |
381 | } | |
382 | } | |
1da177e4 | 383 | |
de48eebc HH |
384 | /* l/ l' deadlock? */ |
385 | if(t->tda8290_easy_mode & 0x60) { | |
386 | i2c_master_send(c, &addr_adc_sat, 1); | |
387 | i2c_master_recv(c, &adc_sat, 1); | |
388 | i2c_master_send(c, &addr_pll_stat, 1); | |
389 | i2c_master_recv(c, &pll_stat, 1); | |
390 | if ((adc_sat > 20) || !(pll_stat & 0x80)) { | |
4ac95af9 | 391 | tuner_dbg("trying to resolve SECAM L deadlock\n"); |
de48eebc HH |
392 | i2c_master_send(c, agc_rst_on, 2); |
393 | msleep(40); | |
394 | i2c_master_send(c, agc_rst_off, 2); | |
395 | } | |
396 | } | |
586b0cab | 397 | |
de48eebc HH |
398 | tda8290_i2c_bridge(c, 0); |
399 | i2c_master_send(c, if_agc_set, 2); | |
400 | return 0; | |
1da177e4 LT |
401 | } |
402 | ||
de48eebc HH |
403 | /*---------------------------------------------------------------------*/ |
404 | ||
1da177e4 LT |
405 | static void set_audio(struct tuner *t) |
406 | { | |
4ac95af9 | 407 | char* mode; |
1da177e4 | 408 | |
4ac95af9 HH |
409 | t->tda827x_lpsel = 0; |
410 | mode = "xx"; | |
70b6934a | 411 | if (t->std & V4L2_STD_MN) { |
de48eebc HH |
412 | t->sgIF = 92; |
413 | t->tda8290_easy_mode = 0x01; | |
414 | t->tda827x_lpsel = 1; | |
4ac95af9 | 415 | mode = "MN"; |
70b6934a | 416 | } else if (t->std & V4L2_STD_B) { |
de48eebc HH |
417 | t->sgIF = 108; |
418 | t->tda8290_easy_mode = 0x02; | |
4ac95af9 | 419 | mode = "B"; |
70b6934a | 420 | } else if (t->std & V4L2_STD_GH) { |
de48eebc HH |
421 | t->sgIF = 124; |
422 | t->tda8290_easy_mode = 0x04; | |
4ac95af9 | 423 | mode = "GH"; |
70b6934a | 424 | } else if (t->std & V4L2_STD_PAL_I) { |
de48eebc HH |
425 | t->sgIF = 124; |
426 | t->tda8290_easy_mode = 0x08; | |
4ac95af9 | 427 | mode = "I"; |
70b6934a | 428 | } else if (t->std & V4L2_STD_DK) { |
de48eebc HH |
429 | t->sgIF = 124; |
430 | t->tda8290_easy_mode = 0x10; | |
4ac95af9 | 431 | mode = "DK"; |
70b6934a | 432 | } else if (t->std & V4L2_STD_SECAM_L) { |
de48eebc HH |
433 | t->sgIF = 124; |
434 | t->tda8290_easy_mode = 0x20; | |
4ac95af9 | 435 | mode = "L"; |
70146cfc HH |
436 | } else if (t->std & V4L2_STD_SECAM_LC) { |
437 | t->sgIF = 20; | |
438 | t->tda8290_easy_mode = 0x40; | |
439 | mode = "LC"; | |
70b6934a | 440 | } |
4ac95af9 | 441 | tuner_dbg("setting tda8290 to system %s\n", mode); |
1da177e4 LT |
442 | } |
443 | ||
444 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) | |
445 | { | |
446 | struct tuner *t = i2c_get_clientdata(c); | |
447 | ||
448 | set_audio(t); | |
de48eebc | 449 | tda8290_tune(c, t->sgIF, freq); |
1da177e4 LT |
450 | } |
451 | ||
452 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
453 | { | |
de48eebc HH |
454 | /* if frequency is 5.5 MHz */ |
455 | tda8290_tune(c, 88, freq); | |
1da177e4 LT |
456 | } |
457 | ||
458 | static int has_signal(struct i2c_client *c) | |
459 | { | |
460 | unsigned char i2c_get_afc[1] = { 0x1B }; | |
461 | unsigned char afc = 0; | |
462 | ||
463 | i2c_master_send(c, i2c_get_afc, ARRAY_SIZE(i2c_get_afc)); | |
464 | i2c_master_recv(c, &afc, 1); | |
465 | return (afc & 0x80)? 65535:0; | |
466 | } | |
467 | ||
de48eebc HH |
468 | /*---------------------------------------------------------------------*/ |
469 | ||
793cf9e6 MCC |
470 | static void standby(struct i2c_client *c) |
471 | { | |
de48eebc HH |
472 | struct tuner *t = i2c_get_clientdata(c); |
473 | unsigned char cb1[] = { 0x30, 0xD0 }; | |
474 | unsigned char tda8290_standby[] = { 0x00, 0x02 }; | |
0157a9cc | 475 | unsigned char tda8290_agc_tri[] = { 0x02, 0x20 }; |
de48eebc HH |
476 | struct i2c_msg msg = {.addr = t->tda827x_addr, .flags=0, .buf=cb1, .len = 2}; |
477 | ||
478 | tda8290_i2c_bridge(c, 1); | |
479 | if (t->tda827x_ver != 0) | |
480 | cb1[1] = 0x90; | |
481 | i2c_transfer(c->adapter, &msg, 1); | |
482 | tda8290_i2c_bridge(c, 0); | |
0157a9cc | 483 | i2c_master_send(c, tda8290_agc_tri, 2); |
de48eebc | 484 | i2c_master_send(c, tda8290_standby, 2); |
793cf9e6 MCC |
485 | } |
486 | ||
de48eebc HH |
487 | |
488 | static void tda8290_init_if(struct i2c_client *c) | |
489 | { | |
490 | unsigned char set_VS[] = { 0x30, 0x6F }; | |
491 | unsigned char set_GP01_CF[] = { 0x20, 0x0B }; | |
492 | ||
493 | i2c_master_send(c, set_VS, 2); | |
494 | i2c_master_send(c, set_GP01_CF, 2); | |
495 | } | |
496 | ||
497 | static void tda8290_init_tuner(struct i2c_client *c) | |
1da177e4 LT |
498 | { |
499 | struct tuner *t = i2c_get_clientdata(c); | |
de48eebc | 500 | unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf, |
9a741ec9 | 501 | 0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 }; |
de48eebc | 502 | unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b, |
9a741ec9 | 503 | 0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b }; |
de48eebc | 504 | struct i2c_msg msg = {.addr = t->tda827x_addr, .flags=0, |
c2f6f9d8 | 505 | .buf=tda8275_init, .len = 14}; |
de48eebc HH |
506 | if (t->tda827x_ver != 0) |
507 | msg.buf = tda8275a_init; | |
508 | ||
509 | tda8290_i2c_bridge(c, 1); | |
510 | i2c_transfer(c->adapter, &msg, 1); | |
511 | tda8290_i2c_bridge(c, 0); | |
512 | } | |
513 | ||
514 | /*---------------------------------------------------------------------*/ | |
1da177e4 | 515 | |
de48eebc HH |
516 | int tda8290_init(struct i2c_client *c) |
517 | { | |
518 | struct tuner *t = i2c_get_clientdata(c); | |
519 | u8 data; | |
520 | int i, ret, tuners_found; | |
521 | u32 tuner_addrs; | |
522 | struct i2c_msg msg = {.flags=I2C_M_RD, .buf=&data, .len = 1}; | |
523 | ||
524 | tda8290_i2c_bridge(c, 1); | |
525 | /* probe for tuner chip */ | |
526 | tuners_found = 0; | |
527 | tuner_addrs = 0; | |
528 | for (i=0x60; i<= 0x63; i++) { | |
529 | msg.addr = i; | |
530 | ret = i2c_transfer(c->adapter, &msg, 1); | |
531 | if (ret == 1) { | |
532 | tuners_found++; | |
533 | tuner_addrs = (tuner_addrs << 8) + i; | |
534 | } | |
535 | } | |
536 | /* if there is more than one tuner, we expect the right one is | |
537 | behind the bridge and we choose the highest address that doesn't | |
538 | give a response now | |
539 | */ | |
540 | tda8290_i2c_bridge(c, 0); | |
541 | if(tuners_found > 1) | |
542 | for (i = 0; i < tuners_found; i++) { | |
543 | msg.addr = tuner_addrs & 0xff; | |
544 | ret = i2c_transfer(c->adapter, &msg, 1); | |
545 | if(ret == 1) | |
546 | tuner_addrs = tuner_addrs >> 8; | |
547 | else | |
548 | break; | |
549 | } | |
550 | if (tuner_addrs == 0) { | |
551 | tuner_addrs = 0x61; | |
95736034 | 552 | tuner_info ("could not clearly identify tuner address, defaulting to %x\n", |
01cb9633 | 553 | tuner_addrs); |
de48eebc HH |
554 | } else { |
555 | tuner_addrs = tuner_addrs & 0xff; | |
556 | tuner_info ("setting tuner address to %x\n", tuner_addrs); | |
557 | } | |
558 | t->tda827x_addr = tuner_addrs; | |
559 | msg.addr = tuner_addrs; | |
560 | ||
561 | tda8290_i2c_bridge(c, 1); | |
562 | ret = i2c_transfer(c->adapter, &msg, 1); | |
563 | if( ret != 1) | |
564 | tuner_warn ("TDA827x access failed!\n"); | |
565 | if ((data & 0x3c) == 0) { | |
566 | strlcpy(c->name, "tda8290+75", sizeof(c->name)); | |
567 | t->tda827x_ver = 0; | |
568 | } else { | |
569 | strlcpy(c->name, "tda8290+75a", sizeof(c->name)); | |
570 | t->tda827x_ver = 2; | |
571 | } | |
0157a9cc | 572 | tuner_info("type set to %s\n", c->name); |
de48eebc | 573 | |
27487d44 HV |
574 | t->set_tv_freq = set_tv_freq; |
575 | t->set_radio_freq = set_radio_freq; | |
1da177e4 | 576 | t->has_signal = has_signal; |
793cf9e6 | 577 | t->standby = standby; |
de48eebc | 578 | t->tda827x_lpsel = 0; |
1da177e4 | 579 | |
de48eebc HH |
580 | tda8290_init_tuner(c); |
581 | tda8290_init_if(c); | |
1da177e4 LT |
582 | return 0; |
583 | } | |
584 | ||
95736034 HH |
585 | int tda8290_probe(struct i2c_client *c) |
586 | { | |
587 | unsigned char soft_reset[] = { 0x00, 0x00 }; | |
588 | unsigned char easy_mode_b[] = { 0x01, 0x02 }; | |
589 | unsigned char easy_mode_g[] = { 0x01, 0x04 }; | |
590 | unsigned char addr_dto_lsb = 0x07; | |
591 | unsigned char data; | |
592 | ||
593 | i2c_master_send(c, easy_mode_b, 2); | |
594 | i2c_master_send(c, soft_reset, 2); | |
595 | i2c_master_send(c, &addr_dto_lsb, 1); | |
596 | i2c_master_recv(c, &data, 1); | |
597 | if (data == 0) { | |
598 | i2c_master_send(c, easy_mode_g, 2); | |
599 | i2c_master_send(c, soft_reset, 2); | |
600 | i2c_master_send(c, &addr_dto_lsb, 1); | |
601 | i2c_master_recv(c, &data, 1); | |
602 | if (data == 0x7b) { | |
603 | return 0; | |
604 | } | |
605 | } | |
606 | return -1; | |
607 | } | |
608 | ||
1da177e4 LT |
609 | /* |
610 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
611 | * --------------------------------------------------------------------------- | |
612 | * Local variables: | |
613 | * c-basic-offset: 8 | |
614 | * End: | |
615 | */ |