]>
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 | ||
b2083199 MK |
28 | struct tda8290_priv { |
29 | unsigned char tda8290_easy_mode; | |
30 | unsigned char tda827x_lpsel; | |
31 | unsigned char tda827x_addr; | |
32 | unsigned char tda827x_ver; | |
33 | unsigned int sgIF; | |
34 | }; | |
35 | ||
36 | /* ---------------------------------------------------------------------- */ | |
37 | ||
de48eebc HH |
38 | struct tda827x_data { |
39 | u32 lomax; | |
40 | u8 spd; | |
41 | u8 bs; | |
42 | u8 bp; | |
43 | u8 cp; | |
44 | u8 gc3; | |
45 | u8 div1p5; | |
1da177e4 LT |
46 | }; |
47 | ||
de48eebc HH |
48 | /* Note lomax entry is lo / 62500 */ |
49 | ||
50 | static struct tda827x_data tda827x_analog[] = { | |
51 | { .lomax = 992, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 62 MHz */ | |
52 | { .lomax = 1056, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 66 MHz */ | |
53 | { .lomax = 1216, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 76 MHz */ | |
54 | { .lomax = 1344, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 84 MHz */ | |
55 | { .lomax = 1488, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 93 MHz */ | |
56 | { .lomax = 1568, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 98 MHz */ | |
57 | { .lomax = 1744, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 109 MHz */ | |
58 | { .lomax = 1968, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 123 MHz */ | |
59 | { .lomax = 2128, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 133 MHz */ | |
60 | { .lomax = 2416, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 151 MHz */ | |
61 | { .lomax = 2464, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 154 MHz */ | |
62 | { .lomax = 2896, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 181 MHz */ | |
63 | { .lomax = 2960, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 185 MHz */ | |
64 | { .lomax = 3472, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 217 MHz */ | |
65 | { .lomax = 3904, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 244 MHz */ | |
66 | { .lomax = 4240, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 265 MHz */ | |
67 | { .lomax = 4832, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 302 MHz */ | |
68 | { .lomax = 5184, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 324 MHz */ | |
69 | { .lomax = 5920, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 370 MHz */ | |
70 | { .lomax = 7264, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 454 MHz */ | |
71 | { .lomax = 7888, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 493 MHz */ | |
72 | { .lomax = 8480, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 530 MHz */ | |
73 | { .lomax = 8864, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 554 MHz */ | |
74 | { .lomax = 9664, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 604 MHz */ | |
75 | { .lomax = 11088, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 696 MHz */ | |
76 | { .lomax = 11840, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 740 MHz */ | |
77 | { .lomax = 13120, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 820 MHz */ | |
78 | { .lomax = 13840, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 865 MHz */ | |
79 | { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} /* End */ | |
1da177e4 LT |
80 | }; |
81 | ||
de48eebc HH |
82 | static void tda827x_tune(struct i2c_client *c, u16 ifc, unsigned int freq) |
83 | { | |
84 | unsigned char tuner_reg[8]; | |
85 | unsigned char reg2[2]; | |
86 | u32 N; | |
87 | int i; | |
88 | struct tuner *t = i2c_get_clientdata(c); | |
b2083199 MK |
89 | struct tda8290_priv *priv = t->priv; |
90 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0}; | |
1da177e4 | 91 | |
de48eebc HH |
92 | if (t->mode == V4L2_TUNER_RADIO) |
93 | freq = freq / 1000; | |
94 | ||
95 | N = freq + ifc; | |
96 | i = 0; | |
97 | while (tda827x_analog[i].lomax < N) { | |
98 | if(tda827x_analog[i + 1].lomax == 0) | |
99 | break; | |
100 | i++; | |
101 | } | |
102 | ||
103 | N = N << tda827x_analog[i].spd; | |
104 | ||
105 | tuner_reg[0] = 0; | |
106 | tuner_reg[1] = (unsigned char)(N>>8); | |
107 | tuner_reg[2] = (unsigned char) N; | |
108 | tuner_reg[3] = 0x40; | |
b2083199 | 109 | tuner_reg[4] = 0x52 + (priv->tda827x_lpsel << 5); |
de48eebc | 110 | tuner_reg[5] = (tda827x_analog[i].spd << 6) + (tda827x_analog[i].div1p5 <<5) + |
9a741ec9 | 111 | (tda827x_analog[i].bs <<3) + tda827x_analog[i].bp; |
de48eebc HH |
112 | tuner_reg[6] = 0x8f + (tda827x_analog[i].gc3 << 4); |
113 | tuner_reg[7] = 0x8f; | |
114 | ||
115 | msg.buf = tuner_reg; | |
116 | msg.len = 8; | |
117 | i2c_transfer(c->adapter, &msg, 1); | |
118 | ||
119 | msg.buf= reg2; | |
120 | msg.len = 2; | |
121 | reg2[0] = 0x80; | |
122 | reg2[1] = 0; | |
123 | i2c_transfer(c->adapter, &msg, 1); | |
124 | ||
125 | reg2[0] = 0x60; | |
126 | reg2[1] = 0xbf; | |
127 | i2c_transfer(c->adapter, &msg, 1); | |
128 | ||
129 | reg2[0] = 0x30; | |
130 | reg2[1] = tuner_reg[4] + 0x80; | |
131 | i2c_transfer(c->adapter, &msg, 1); | |
132 | ||
133 | msleep(1); | |
134 | reg2[0] = 0x30; | |
135 | reg2[1] = tuner_reg[4] + 4; | |
136 | i2c_transfer(c->adapter, &msg, 1); | |
137 | ||
138 | msleep(1); | |
139 | reg2[0] = 0x30; | |
140 | reg2[1] = tuner_reg[4]; | |
141 | i2c_transfer(c->adapter, &msg, 1); | |
142 | ||
143 | msleep(550); | |
144 | reg2[0] = 0x30; | |
145 | reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_analog[i].cp ; | |
146 | i2c_transfer(c->adapter, &msg, 1); | |
1da177e4 | 147 | |
de48eebc | 148 | reg2[0] = 0x60; |
95736034 | 149 | reg2[1] = 0x3f; |
de48eebc HH |
150 | i2c_transfer(c->adapter, &msg, 1); |
151 | ||
152 | reg2[0] = 0x80; | |
153 | reg2[1] = 0x08; // Vsync en | |
154 | i2c_transfer(c->adapter, &msg, 1); | |
155 | } | |
156 | ||
157 | static void tda827x_agcf(struct i2c_client *c) | |
1da177e4 | 158 | { |
de48eebc | 159 | struct tuner *t = i2c_get_clientdata(c); |
b2083199 | 160 | struct tda8290_priv *priv = t->priv; |
de48eebc | 161 | unsigned char data[] = {0x80, 0x0c}; |
b2083199 | 162 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data, |
de48eebc HH |
163 | .flags = 0, .len = 2}; |
164 | i2c_transfer(c->adapter, &msg, 1); | |
1da177e4 LT |
165 | } |
166 | ||
167 | /* ---------------------------------------------------------------------- */ | |
168 | ||
de48eebc HH |
169 | struct tda827xa_data { |
170 | u32 lomax; | |
171 | u8 svco; | |
172 | u8 spd; | |
173 | u8 scr; | |
174 | u8 sbs; | |
175 | u8 gc3; | |
1da177e4 LT |
176 | }; |
177 | ||
de48eebc HH |
178 | static struct tda827xa_data tda827xa_analog[] = { |
179 | { .lomax = 910, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3}, /* 56.875 MHz */ | |
180 | { .lomax = 1076, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 67.25 MHz */ | |
181 | { .lomax = 1300, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 81.25 MHz */ | |
182 | { .lomax = 1560, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 97.5 MHz */ | |
183 | { .lomax = 1820, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, /* 113.75 MHz */ | |
184 | { .lomax = 2152, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 134.5 MHz */ | |
185 | { .lomax = 2464, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 154 MHz */ | |
186 | { .lomax = 2600, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 162.5 MHz */ | |
187 | { .lomax = 2928, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 183 MHz */ | |
188 | { .lomax = 3120, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, /* 195 MHz */ | |
189 | { .lomax = 3640, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3}, /* 227.5 MHz */ | |
190 | { .lomax = 4304, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3}, /* 269 MHz */ | |
191 | { .lomax = 5200, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, /* 325 MHz */ | |
192 | { .lomax = 6240, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 390 MHz */ | |
193 | { .lomax = 7280, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 455 MHz */ | |
194 | { .lomax = 8320, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 520 MHz */ | |
195 | { .lomax = 8608, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, /* 538 MHz */ | |
196 | { .lomax = 8864, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 554 MHz */ | |
197 | { .lomax = 9920, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 620 MHz */ | |
198 | { .lomax = 10400, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 650 MHz */ | |
199 | { .lomax = 11200, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 700 MHz */ | |
200 | { .lomax = 12480, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 780 MHz */ | |
201 | { .lomax = 13120, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 820 MHz */ | |
202 | { .lomax = 13920, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 870 MHz */ | |
203 | { .lomax = 14576, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, /* 911 MHz */ | |
204 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} /* End */ | |
1da177e4 LT |
205 | }; |
206 | ||
58ef4f92 HH |
207 | static void tda827xa_lna_gain(struct i2c_client *c, int high) |
208 | { | |
209 | struct tuner *t = i2c_get_clientdata(c); | |
210 | unsigned char buf[] = {0x22, 0x01}; | |
211 | int arg; | |
212 | struct i2c_msg msg = {.addr = c->addr, .flags = 0, .buf = buf, .len = sizeof(buf)}; | |
213 | if (t->config) { | |
214 | if (high) | |
215 | tuner_dbg("setting LNA to high gain\n"); | |
216 | else | |
217 | tuner_dbg("setting LNA to low gain\n"); | |
218 | } | |
219 | switch (t->config) { | |
220 | case 0: /* no LNA */ | |
221 | break; | |
222 | case 1: /* switch is GPIO 0 of tda8290 */ | |
223 | case 2: | |
224 | /* turn Vsync on */ | |
225 | if (t->std & V4L2_STD_MN) | |
cfeb8839 | 226 | arg = 1; |
58ef4f92 | 227 | else |
cfeb8839 HH |
228 | arg = 0; |
229 | if (t->tuner_callback) | |
230 | t->tuner_callback(c->adapter->algo_data, 1, arg); | |
58ef4f92 HH |
231 | buf[1] = high ? 0 : 1; |
232 | if (t->config == 2) | |
233 | buf[1] = high ? 1 : 0; | |
234 | i2c_transfer(c->adapter, &msg, 1); | |
235 | break; | |
236 | case 3: /* switch with GPIO of saa713x */ | |
cfeb8839 HH |
237 | if (t->tuner_callback) |
238 | t->tuner_callback(c->adapter->algo_data, 0, high); | |
58ef4f92 HH |
239 | break; |
240 | } | |
241 | } | |
242 | ||
de48eebc HH |
243 | static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq) |
244 | { | |
58ef4f92 | 245 | unsigned char tuner_reg[11]; |
de48eebc HH |
246 | u32 N; |
247 | int i; | |
248 | struct tuner *t = i2c_get_clientdata(c); | |
b2083199 MK |
249 | struct tda8290_priv *priv = t->priv; |
250 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0, .buf = tuner_reg}; | |
58ef4f92 HH |
251 | |
252 | tda827xa_lna_gain( c, 1); | |
253 | msleep(10); | |
1da177e4 | 254 | |
de48eebc HH |
255 | if (t->mode == V4L2_TUNER_RADIO) |
256 | freq = freq / 1000; | |
1da177e4 | 257 | |
de48eebc HH |
258 | N = freq + ifc; |
259 | i = 0; | |
260 | while (tda827xa_analog[i].lomax < N) { | |
261 | if(tda827xa_analog[i + 1].lomax == 0) | |
262 | break; | |
263 | i++; | |
264 | } | |
265 | ||
266 | N = N << tda827xa_analog[i].spd; | |
267 | ||
268 | tuner_reg[0] = 0; | |
269 | tuner_reg[1] = (unsigned char)(N>>8); | |
270 | tuner_reg[2] = (unsigned char) N; | |
271 | tuner_reg[3] = 0; | |
272 | tuner_reg[4] = 0x16; | |
273 | tuner_reg[5] = (tda827xa_analog[i].spd << 5) + (tda827xa_analog[i].svco << 3) + | |
9a741ec9 | 274 | tda827xa_analog[i].sbs; |
de48eebc | 275 | tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4); |
58ef4f92 | 276 | tuner_reg[7] = 0x1c; |
de48eebc HH |
277 | tuner_reg[8] = 4; |
278 | tuner_reg[9] = 0x20; | |
58ef4f92 HH |
279 | tuner_reg[10] = 0x00; |
280 | msg.len = 11; | |
281 | i2c_transfer(c->adapter, &msg, 1); | |
de48eebc | 282 | |
58ef4f92 HH |
283 | tuner_reg[0] = 0x90; |
284 | tuner_reg[1] = 0xff; | |
285 | tuner_reg[2] = 0xe0; | |
286 | tuner_reg[3] = 0; | |
b2083199 | 287 | tuner_reg[4] = 0x99 + (priv->tda827x_lpsel << 1); |
58ef4f92 | 288 | msg.len = 5; |
de48eebc HH |
289 | i2c_transfer(c->adapter, &msg, 1); |
290 | ||
58ef4f92 HH |
291 | tuner_reg[0] = 0xa0; |
292 | tuner_reg[1] = 0xc0; | |
de48eebc | 293 | msg.len = 2; |
de48eebc HH |
294 | i2c_transfer(c->adapter, &msg, 1); |
295 | ||
58ef4f92 HH |
296 | tuner_reg[0] = 0x30; |
297 | tuner_reg[1] = 0x10 + tda827xa_analog[i].scr; | |
de48eebc HH |
298 | i2c_transfer(c->adapter, &msg, 1); |
299 | ||
58ef4f92 HH |
300 | msg.flags = I2C_M_RD; |
301 | i2c_transfer(c->adapter, &msg, 1); | |
302 | msg.flags = 0; | |
303 | tuner_reg[1] >>= 4; | |
304 | tuner_dbg("AGC2 gain is: %d\n", tuner_reg[1]); | |
305 | if (tuner_reg[1] < 1) | |
306 | tda827xa_lna_gain( c, 0); | |
307 | ||
308 | msleep(100); | |
309 | tuner_reg[0] = 0x60; | |
310 | tuner_reg[1] = 0x3c; | |
de48eebc HH |
311 | i2c_transfer(c->adapter, &msg, 1); |
312 | ||
58ef4f92 HH |
313 | msleep(163); |
314 | tuner_reg[0] = 0x50; | |
315 | tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4); | |
de48eebc HH |
316 | i2c_transfer(c->adapter, &msg, 1); |
317 | ||
58ef4f92 HH |
318 | tuner_reg[0] = 0x80; |
319 | tuner_reg[1] = 0x28; | |
de48eebc HH |
320 | i2c_transfer(c->adapter, &msg, 1); |
321 | ||
58ef4f92 HH |
322 | tuner_reg[0] = 0xb0; |
323 | tuner_reg[1] = 0x01; | |
de48eebc | 324 | i2c_transfer(c->adapter, &msg, 1); |
793cf9e6 | 325 | |
58ef4f92 | 326 | tuner_reg[0] = 0xc0; |
b2083199 | 327 | tuner_reg[1] = 0x19 + (priv->tda827x_lpsel << 1); |
de48eebc HH |
328 | i2c_transfer(c->adapter, &msg, 1); |
329 | } | |
330 | ||
331 | static void tda827xa_agcf(struct i2c_client *c) | |
1da177e4 LT |
332 | { |
333 | struct tuner *t = i2c_get_clientdata(c); | |
b2083199 | 334 | struct tda8290_priv *priv = t->priv; |
de48eebc | 335 | unsigned char data[] = {0x80, 0x2c}; |
b2083199 | 336 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data, |
de48eebc HH |
337 | .flags = 0, .len = 2}; |
338 | i2c_transfer(c->adapter, &msg, 1); | |
339 | } | |
1da177e4 | 340 | |
de48eebc | 341 | /*---------------------------------------------------------------------*/ |
1da177e4 | 342 | |
de48eebc HH |
343 | static void tda8290_i2c_bridge(struct i2c_client *c, int close) |
344 | { | |
345 | unsigned char enable[2] = { 0x21, 0xC0 }; | |
0157a9cc | 346 | unsigned char disable[2] = { 0x21, 0x00 }; |
de48eebc HH |
347 | unsigned char *msg; |
348 | if(close) { | |
349 | msg = enable; | |
350 | i2c_master_send(c, msg, 2); | |
351 | /* let the bridge stabilize */ | |
352 | msleep(20); | |
353 | } else { | |
354 | msg = disable; | |
355 | i2c_master_send(c, msg, 2); | |
356 | } | |
1da177e4 LT |
357 | } |
358 | ||
de48eebc HH |
359 | /*---------------------------------------------------------------------*/ |
360 | ||
361 | static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq) | |
1da177e4 | 362 | { |
de48eebc | 363 | struct tuner *t = i2c_get_clientdata(c); |
b2083199 | 364 | struct tda8290_priv *priv = t->priv; |
de48eebc | 365 | unsigned char soft_reset[] = { 0x00, 0x00 }; |
b2083199 | 366 | unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode }; |
de48eebc | 367 | unsigned char expert_mode[] = { 0x01, 0x80 }; |
0157a9cc | 368 | unsigned char agc_out_on[] = { 0x02, 0x00 }; |
de48eebc HH |
369 | unsigned char gainset_off[] = { 0x28, 0x14 }; |
370 | unsigned char if_agc_spd[] = { 0x0f, 0x88 }; | |
371 | unsigned char adc_head_6[] = { 0x05, 0x04 }; | |
372 | unsigned char adc_head_9[] = { 0x05, 0x02 }; | |
373 | unsigned char adc_head_12[] = { 0x05, 0x01 }; | |
374 | unsigned char pll_bw_nom[] = { 0x0d, 0x47 }; | |
375 | unsigned char pll_bw_low[] = { 0x0d, 0x27 }; | |
376 | unsigned char gainset_2[] = { 0x28, 0x64 }; | |
377 | unsigned char agc_rst_on[] = { 0x0e, 0x0b }; | |
378 | unsigned char agc_rst_off[] = { 0x0e, 0x09 }; | |
379 | unsigned char if_agc_set[] = { 0x0f, 0x81 }; | |
380 | unsigned char addr_adc_sat = 0x1a; | |
381 | unsigned char addr_agc_stat = 0x1d; | |
382 | unsigned char addr_pll_stat = 0x1b; | |
383 | unsigned char adc_sat, agc_stat, | |
9a741ec9 | 384 | pll_stat; |
58ef4f92 | 385 | int i; |
de48eebc | 386 | |
58ef4f92 | 387 | tuner_dbg("tda827xa config is 0x%02x\n", t->config); |
de48eebc | 388 | i2c_master_send(c, easy_mode, 2); |
0157a9cc | 389 | i2c_master_send(c, agc_out_on, 2); |
de48eebc HH |
390 | i2c_master_send(c, soft_reset, 2); |
391 | msleep(1); | |
392 | ||
b2083199 | 393 | expert_mode[1] = priv->tda8290_easy_mode + 0x80; |
de48eebc HH |
394 | i2c_master_send(c, expert_mode, 2); |
395 | i2c_master_send(c, gainset_off, 2); | |
396 | i2c_master_send(c, if_agc_spd, 2); | |
b2083199 | 397 | if (priv->tda8290_easy_mode & 0x60) |
de48eebc HH |
398 | i2c_master_send(c, adc_head_9, 2); |
399 | else | |
400 | i2c_master_send(c, adc_head_6, 2); | |
401 | i2c_master_send(c, pll_bw_nom, 2); | |
402 | ||
403 | tda8290_i2c_bridge(c, 1); | |
b2083199 | 404 | if (priv->tda827x_ver != 0) |
de48eebc HH |
405 | tda827xa_tune(c, ifc, freq); |
406 | else | |
407 | tda827x_tune(c, ifc, freq); | |
58ef4f92 HH |
408 | for (i = 0; i < 3; i++) { |
409 | i2c_master_send(c, &addr_pll_stat, 1); | |
410 | i2c_master_recv(c, &pll_stat, 1); | |
411 | if (pll_stat & 0x80) { | |
412 | i2c_master_send(c, &addr_adc_sat, 1); | |
413 | i2c_master_recv(c, &adc_sat, 1); | |
414 | i2c_master_send(c, &addr_agc_stat, 1); | |
415 | i2c_master_recv(c, &agc_stat, 1); | |
416 | tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat); | |
417 | break; | |
418 | } else { | |
419 | tuner_dbg("tda8290 not locked, no signal?\n"); | |
420 | msleep(100); | |
421 | } | |
422 | } | |
de48eebc | 423 | /* adjust headroom resp. gain */ |
4ac95af9 HH |
424 | if ((agc_stat > 115) || (!(pll_stat & 0x80) && (adc_sat < 20))) { |
425 | tuner_dbg("adjust gain, step 1. Agc: %d, ADC stat: %d, lock: %d\n", | |
426 | agc_stat, adc_sat, pll_stat & 0x80); | |
de48eebc HH |
427 | i2c_master_send(c, gainset_2, 2); |
428 | msleep(100); | |
429 | i2c_master_send(c, &addr_agc_stat, 1); | |
430 | i2c_master_recv(c, &agc_stat, 1); | |
431 | i2c_master_send(c, &addr_pll_stat, 1); | |
432 | i2c_master_recv(c, &pll_stat, 1); | |
433 | if ((agc_stat > 115) || !(pll_stat & 0x80)) { | |
4ac95af9 HH |
434 | tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n", |
435 | agc_stat, pll_stat & 0x80); | |
b2083199 | 436 | if (priv->tda827x_ver != 0) |
de48eebc HH |
437 | tda827xa_agcf(c); |
438 | else | |
439 | tda827x_agcf(c); | |
440 | msleep(100); | |
441 | i2c_master_send(c, &addr_agc_stat, 1); | |
442 | i2c_master_recv(c, &agc_stat, 1); | |
443 | i2c_master_send(c, &addr_pll_stat, 1); | |
444 | i2c_master_recv(c, &pll_stat, 1); | |
445 | if((agc_stat > 115) || !(pll_stat & 0x80)) { | |
446 | tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat); | |
447 | i2c_master_send(c, adc_head_12, 2); | |
448 | i2c_master_send(c, pll_bw_low, 2); | |
449 | msleep(100); | |
450 | } | |
451 | } | |
452 | } | |
1da177e4 | 453 | |
de48eebc | 454 | /* l/ l' deadlock? */ |
b2083199 | 455 | if(priv->tda8290_easy_mode & 0x60) { |
de48eebc HH |
456 | i2c_master_send(c, &addr_adc_sat, 1); |
457 | i2c_master_recv(c, &adc_sat, 1); | |
458 | i2c_master_send(c, &addr_pll_stat, 1); | |
459 | i2c_master_recv(c, &pll_stat, 1); | |
460 | if ((adc_sat > 20) || !(pll_stat & 0x80)) { | |
4ac95af9 | 461 | tuner_dbg("trying to resolve SECAM L deadlock\n"); |
de48eebc HH |
462 | i2c_master_send(c, agc_rst_on, 2); |
463 | msleep(40); | |
464 | i2c_master_send(c, agc_rst_off, 2); | |
465 | } | |
466 | } | |
586b0cab | 467 | |
de48eebc HH |
468 | tda8290_i2c_bridge(c, 0); |
469 | i2c_master_send(c, if_agc_set, 2); | |
470 | return 0; | |
1da177e4 LT |
471 | } |
472 | ||
de48eebc HH |
473 | /*---------------------------------------------------------------------*/ |
474 | ||
1da177e4 LT |
475 | static void set_audio(struct tuner *t) |
476 | { | |
b2083199 | 477 | struct tda8290_priv *priv = t->priv; |
4ac95af9 | 478 | char* mode; |
1da177e4 | 479 | |
b2083199 | 480 | priv->tda827x_lpsel = 0; |
70b6934a | 481 | if (t->std & V4L2_STD_MN) { |
b2083199 MK |
482 | priv->sgIF = 92; |
483 | priv->tda8290_easy_mode = 0x01; | |
484 | priv->tda827x_lpsel = 1; | |
4ac95af9 | 485 | mode = "MN"; |
70b6934a | 486 | } else if (t->std & V4L2_STD_B) { |
b2083199 MK |
487 | priv->sgIF = 108; |
488 | priv->tda8290_easy_mode = 0x02; | |
4ac95af9 | 489 | mode = "B"; |
70b6934a | 490 | } else if (t->std & V4L2_STD_GH) { |
b2083199 MK |
491 | priv->sgIF = 124; |
492 | priv->tda8290_easy_mode = 0x04; | |
4ac95af9 | 493 | mode = "GH"; |
70b6934a | 494 | } else if (t->std & V4L2_STD_PAL_I) { |
b2083199 MK |
495 | priv->sgIF = 124; |
496 | priv->tda8290_easy_mode = 0x08; | |
4ac95af9 | 497 | mode = "I"; |
70b6934a | 498 | } else if (t->std & V4L2_STD_DK) { |
b2083199 MK |
499 | priv->sgIF = 124; |
500 | priv->tda8290_easy_mode = 0x10; | |
4ac95af9 | 501 | mode = "DK"; |
70b6934a | 502 | } else if (t->std & V4L2_STD_SECAM_L) { |
b2083199 MK |
503 | priv->sgIF = 124; |
504 | priv->tda8290_easy_mode = 0x20; | |
4ac95af9 | 505 | mode = "L"; |
70146cfc | 506 | } else if (t->std & V4L2_STD_SECAM_LC) { |
b2083199 MK |
507 | priv->sgIF = 20; |
508 | priv->tda8290_easy_mode = 0x40; | |
70146cfc | 509 | mode = "LC"; |
e65ec752 | 510 | } else { |
b2083199 MK |
511 | priv->sgIF = 124; |
512 | priv->tda8290_easy_mode = 0x10; | |
e65ec752 | 513 | mode = "xx"; |
70b6934a | 514 | } |
e65ec752 | 515 | tuner_dbg("setting tda8290 to system %s\n", mode); |
1da177e4 LT |
516 | } |
517 | ||
518 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) | |
519 | { | |
520 | struct tuner *t = i2c_get_clientdata(c); | |
b2083199 | 521 | struct tda8290_priv *priv = t->priv; |
1da177e4 LT |
522 | |
523 | set_audio(t); | |
b2083199 | 524 | tda8290_tune(c, priv->sgIF, freq); |
1da177e4 LT |
525 | } |
526 | ||
527 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
528 | { | |
de48eebc HH |
529 | /* if frequency is 5.5 MHz */ |
530 | tda8290_tune(c, 88, freq); | |
1da177e4 LT |
531 | } |
532 | ||
533 | static int has_signal(struct i2c_client *c) | |
534 | { | |
535 | unsigned char i2c_get_afc[1] = { 0x1B }; | |
536 | unsigned char afc = 0; | |
537 | ||
538 | i2c_master_send(c, i2c_get_afc, ARRAY_SIZE(i2c_get_afc)); | |
539 | i2c_master_recv(c, &afc, 1); | |
540 | return (afc & 0x80)? 65535:0; | |
541 | } | |
542 | ||
de48eebc HH |
543 | /*---------------------------------------------------------------------*/ |
544 | ||
793cf9e6 MCC |
545 | static void standby(struct i2c_client *c) |
546 | { | |
de48eebc | 547 | struct tuner *t = i2c_get_clientdata(c); |
b2083199 | 548 | struct tda8290_priv *priv = t->priv; |
de48eebc HH |
549 | unsigned char cb1[] = { 0x30, 0xD0 }; |
550 | unsigned char tda8290_standby[] = { 0x00, 0x02 }; | |
0157a9cc | 551 | unsigned char tda8290_agc_tri[] = { 0x02, 0x20 }; |
b2083199 | 552 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2}; |
de48eebc HH |
553 | |
554 | tda8290_i2c_bridge(c, 1); | |
b2083199 | 555 | if (priv->tda827x_ver != 0) |
de48eebc HH |
556 | cb1[1] = 0x90; |
557 | i2c_transfer(c->adapter, &msg, 1); | |
558 | tda8290_i2c_bridge(c, 0); | |
0157a9cc | 559 | i2c_master_send(c, tda8290_agc_tri, 2); |
de48eebc | 560 | i2c_master_send(c, tda8290_standby, 2); |
793cf9e6 MCC |
561 | } |
562 | ||
de48eebc HH |
563 | |
564 | static void tda8290_init_if(struct i2c_client *c) | |
565 | { | |
58ef4f92 | 566 | struct tuner *t = i2c_get_clientdata(c); |
de48eebc | 567 | unsigned char set_VS[] = { 0x30, 0x6F }; |
58ef4f92 | 568 | unsigned char set_GP00_CF[] = { 0x20, 0x01 }; |
de48eebc HH |
569 | unsigned char set_GP01_CF[] = { 0x20, 0x0B }; |
570 | ||
58ef4f92 HH |
571 | if ((t->config == 1) || (t->config == 2)) |
572 | i2c_master_send(c, set_GP00_CF, 2); | |
573 | else | |
574 | i2c_master_send(c, set_GP01_CF, 2); | |
de48eebc | 575 | i2c_master_send(c, set_VS, 2); |
de48eebc HH |
576 | } |
577 | ||
578 | static void tda8290_init_tuner(struct i2c_client *c) | |
1da177e4 LT |
579 | { |
580 | struct tuner *t = i2c_get_clientdata(c); | |
b2083199 | 581 | struct tda8290_priv *priv = t->priv; |
de48eebc | 582 | unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf, |
9a741ec9 | 583 | 0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 }; |
de48eebc | 584 | unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b, |
9a741ec9 | 585 | 0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b }; |
b2083199 | 586 | struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, |
c2f6f9d8 | 587 | .buf=tda8275_init, .len = 14}; |
b2083199 | 588 | if (priv->tda827x_ver != 0) |
de48eebc HH |
589 | msg.buf = tda8275a_init; |
590 | ||
591 | tda8290_i2c_bridge(c, 1); | |
592 | i2c_transfer(c->adapter, &msg, 1); | |
593 | tda8290_i2c_bridge(c, 0); | |
594 | } | |
595 | ||
596 | /*---------------------------------------------------------------------*/ | |
1da177e4 | 597 | |
024cf530 MK |
598 | static void tda8290_release(struct i2c_client *c) |
599 | { | |
600 | struct tuner *t = i2c_get_clientdata(c); | |
601 | ||
602 | kfree(t->priv); | |
603 | t->priv = NULL; | |
604 | } | |
605 | ||
de48eebc HH |
606 | int tda8290_init(struct i2c_client *c) |
607 | { | |
b2083199 | 608 | struct tda8290_priv *priv = NULL; |
de48eebc HH |
609 | struct tuner *t = i2c_get_clientdata(c); |
610 | u8 data; | |
611 | int i, ret, tuners_found; | |
612 | u32 tuner_addrs; | |
613 | struct i2c_msg msg = {.flags=I2C_M_RD, .buf=&data, .len = 1}; | |
614 | ||
b2083199 MK |
615 | priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL); |
616 | if (priv == NULL) | |
617 | return -ENOMEM; | |
618 | t->priv = priv; | |
619 | ||
de48eebc HH |
620 | tda8290_i2c_bridge(c, 1); |
621 | /* probe for tuner chip */ | |
622 | tuners_found = 0; | |
623 | tuner_addrs = 0; | |
624 | for (i=0x60; i<= 0x63; i++) { | |
625 | msg.addr = i; | |
626 | ret = i2c_transfer(c->adapter, &msg, 1); | |
627 | if (ret == 1) { | |
628 | tuners_found++; | |
629 | tuner_addrs = (tuner_addrs << 8) + i; | |
630 | } | |
631 | } | |
632 | /* if there is more than one tuner, we expect the right one is | |
633 | behind the bridge and we choose the highest address that doesn't | |
634 | give a response now | |
635 | */ | |
636 | tda8290_i2c_bridge(c, 0); | |
637 | if(tuners_found > 1) | |
638 | for (i = 0; i < tuners_found; i++) { | |
639 | msg.addr = tuner_addrs & 0xff; | |
640 | ret = i2c_transfer(c->adapter, &msg, 1); | |
641 | if(ret == 1) | |
642 | tuner_addrs = tuner_addrs >> 8; | |
643 | else | |
644 | break; | |
645 | } | |
646 | if (tuner_addrs == 0) { | |
647 | tuner_addrs = 0x61; | |
95736034 | 648 | tuner_info ("could not clearly identify tuner address, defaulting to %x\n", |
01cb9633 | 649 | tuner_addrs); |
de48eebc HH |
650 | } else { |
651 | tuner_addrs = tuner_addrs & 0xff; | |
652 | tuner_info ("setting tuner address to %x\n", tuner_addrs); | |
653 | } | |
b2083199 | 654 | priv->tda827x_addr = tuner_addrs; |
de48eebc HH |
655 | msg.addr = tuner_addrs; |
656 | ||
657 | tda8290_i2c_bridge(c, 1); | |
658 | ret = i2c_transfer(c->adapter, &msg, 1); | |
659 | if( ret != 1) | |
660 | tuner_warn ("TDA827x access failed!\n"); | |
661 | if ((data & 0x3c) == 0) { | |
662 | strlcpy(c->name, "tda8290+75", sizeof(c->name)); | |
b2083199 | 663 | priv->tda827x_ver = 0; |
de48eebc HH |
664 | } else { |
665 | strlcpy(c->name, "tda8290+75a", sizeof(c->name)); | |
b2083199 | 666 | priv->tda827x_ver = 2; |
de48eebc | 667 | } |
0157a9cc | 668 | tuner_info("type set to %s\n", c->name); |
de48eebc | 669 | |
7a91a80a MK |
670 | t->ops.set_tv_freq = set_tv_freq; |
671 | t->ops.set_radio_freq = set_radio_freq; | |
672 | t->ops.has_signal = has_signal; | |
673 | t->ops.standby = standby; | |
674 | t->ops.release = tda8290_release; | |
b2083199 | 675 | priv->tda827x_lpsel = 0; |
e65ec752 | 676 | t->mode = V4L2_TUNER_ANALOG_TV; |
1da177e4 | 677 | |
de48eebc HH |
678 | tda8290_init_tuner(c); |
679 | tda8290_init_if(c); | |
1da177e4 LT |
680 | return 0; |
681 | } | |
682 | ||
95736034 HH |
683 | int tda8290_probe(struct i2c_client *c) |
684 | { | |
44fd06fa HH |
685 | unsigned char soft_reset[] = { 0x00, 0x00 }; |
686 | unsigned char easy_mode_b[] = { 0x01, 0x02 }; | |
687 | unsigned char easy_mode_g[] = { 0x01, 0x04 }; | |
688 | unsigned char restore_9886[] = { 0x00, 0xd6, 0x30 }; | |
95736034 HH |
689 | unsigned char addr_dto_lsb = 0x07; |
690 | unsigned char data; | |
691 | ||
692 | i2c_master_send(c, easy_mode_b, 2); | |
693 | i2c_master_send(c, soft_reset, 2); | |
694 | i2c_master_send(c, &addr_dto_lsb, 1); | |
695 | i2c_master_recv(c, &data, 1); | |
696 | if (data == 0) { | |
697 | i2c_master_send(c, easy_mode_g, 2); | |
698 | i2c_master_send(c, soft_reset, 2); | |
699 | i2c_master_send(c, &addr_dto_lsb, 1); | |
700 | i2c_master_recv(c, &data, 1); | |
701 | if (data == 0x7b) { | |
702 | return 0; | |
703 | } | |
704 | } | |
44fd06fa | 705 | i2c_master_send(c, restore_9886, 3); |
95736034 HH |
706 | return -1; |
707 | } | |
708 | ||
1da177e4 LT |
709 | /* |
710 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
711 | * --------------------------------------------------------------------------- | |
712 | * Local variables: | |
713 | * c-basic-offset: 8 | |
714 | * End: | |
715 | */ |