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8ce47dad MK |
1 | /* |
2 | * | |
3 | * (c) 2005 Hartmut Hackmann | |
4 | * (c) 2007 Michael Krufky | |
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 | ||
21 | #include <linux/module.h> | |
8ce47dad | 22 | #include <asm/types.h> |
746d9732 MK |
23 | #include <linux/dvb/frontend.h> |
24 | #include <linux/videodev2.h> | |
8ce47dad MK |
25 | |
26 | #include "tda827x.h" | |
27 | ||
ff699e6b | 28 | static int debug; |
746d9732 MK |
29 | module_param(debug, int, 0644); |
30 | MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); | |
31 | ||
8ce47dad MK |
32 | #define dprintk(args...) \ |
33 | do { \ | |
34 | if (debug) printk(KERN_DEBUG "tda827x: " args); \ | |
35 | } while (0) | |
36 | ||
37 | struct tda827x_priv { | |
38 | int i2c_addr; | |
39 | struct i2c_adapter *i2c_adap; | |
40 | struct tda827x_config *cfg; | |
5c82f449 MK |
41 | |
42 | unsigned int sgIF; | |
43 | unsigned char lpsel; | |
44 | ||
8ce47dad MK |
45 | u32 frequency; |
46 | u32 bandwidth; | |
47 | }; | |
48 | ||
5c82f449 MK |
49 | static void tda827x_set_std(struct dvb_frontend *fe, |
50 | struct analog_parameters *params) | |
51 | { | |
52 | struct tda827x_priv *priv = fe->tuner_priv; | |
53 | char *mode; | |
54 | ||
55 | priv->lpsel = 0; | |
56 | if (params->std & V4L2_STD_MN) { | |
57 | priv->sgIF = 92; | |
58 | priv->lpsel = 1; | |
59 | mode = "MN"; | |
60 | } else if (params->std & V4L2_STD_B) { | |
61 | priv->sgIF = 108; | |
62 | mode = "B"; | |
63 | } else if (params->std & V4L2_STD_GH) { | |
64 | priv->sgIF = 124; | |
65 | mode = "GH"; | |
66 | } else if (params->std & V4L2_STD_PAL_I) { | |
67 | priv->sgIF = 124; | |
68 | mode = "I"; | |
69 | } else if (params->std & V4L2_STD_DK) { | |
70 | priv->sgIF = 124; | |
71 | mode = "DK"; | |
72 | } else if (params->std & V4L2_STD_SECAM_L) { | |
73 | priv->sgIF = 124; | |
74 | mode = "L"; | |
75 | } else if (params->std & V4L2_STD_SECAM_LC) { | |
76 | priv->sgIF = 20; | |
77 | mode = "LC"; | |
78 | } else { | |
79 | priv->sgIF = 124; | |
80 | mode = "xx"; | |
81 | } | |
82 | ||
e5218eed | 83 | if (params->mode == V4L2_TUNER_RADIO) { |
5c82f449 | 84 | priv->sgIF = 88; /* if frequency is 5.5 MHz */ |
e5218eed MCC |
85 | dprintk("setting tda827x to radio FM\n"); |
86 | } else | |
87 | dprintk("setting tda827x to system %s\n", mode); | |
5c82f449 MK |
88 | } |
89 | ||
90 | ||
91 | /* ------------------------------------------------------------------ */ | |
92 | ||
8ce47dad MK |
93 | struct tda827x_data { |
94 | u32 lomax; | |
95 | u8 spd; | |
96 | u8 bs; | |
97 | u8 bp; | |
98 | u8 cp; | |
99 | u8 gc3; | |
100 | u8 div1p5; | |
101 | }; | |
102 | ||
746d9732 | 103 | static const struct tda827x_data tda827x_table[] = { |
8ce47dad MK |
104 | { .lomax = 62000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, |
105 | { .lomax = 66000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, | |
106 | { .lomax = 76000000, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, | |
107 | { .lomax = 84000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, | |
108 | { .lomax = 93000000, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
109 | { .lomax = 98000000, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
110 | { .lomax = 109000000, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
111 | { .lomax = 123000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
112 | { .lomax = 133000000, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
113 | { .lomax = 151000000, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
114 | { .lomax = 154000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
115 | { .lomax = 181000000, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
116 | { .lomax = 185000000, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
117 | { .lomax = 217000000, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
118 | { .lomax = 244000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
119 | { .lomax = 265000000, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
120 | { .lomax = 302000000, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
121 | { .lomax = 324000000, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
122 | { .lomax = 370000000, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
123 | { .lomax = 454000000, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
124 | { .lomax = 493000000, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
125 | { .lomax = 530000000, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, | |
126 | { .lomax = 554000000, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, | |
127 | { .lomax = 604000000, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
128 | { .lomax = 696000000, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
129 | { .lomax = 740000000, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, | |
130 | { .lomax = 820000000, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, | |
131 | { .lomax = 865000000, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, | |
132 | { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} | |
133 | }; | |
134 | ||
135 | static int tda827xo_set_params(struct dvb_frontend *fe, | |
136 | struct dvb_frontend_parameters *params) | |
137 | { | |
138 | struct tda827x_priv *priv = fe->tuner_priv; | |
139 | u8 buf[14]; | |
140 | ||
141 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
142 | .buf = buf, .len = sizeof(buf) }; | |
143 | int i, tuner_freq, if_freq; | |
144 | u32 N; | |
145 | ||
7bff4b4d | 146 | dprintk("%s:\n", __func__); |
8ce47dad MK |
147 | switch (params->u.ofdm.bandwidth) { |
148 | case BANDWIDTH_6_MHZ: | |
149 | if_freq = 4000000; | |
150 | break; | |
151 | case BANDWIDTH_7_MHZ: | |
152 | if_freq = 4500000; | |
153 | break; | |
154 | default: /* 8 MHz or Auto */ | |
155 | if_freq = 5000000; | |
156 | break; | |
157 | } | |
158 | tuner_freq = params->frequency + if_freq; | |
159 | ||
160 | i = 0; | |
746d9732 MK |
161 | while (tda827x_table[i].lomax < tuner_freq) { |
162 | if (tda827x_table[i + 1].lomax == 0) | |
8ce47dad MK |
163 | break; |
164 | i++; | |
165 | } | |
166 | ||
746d9732 | 167 | N = ((tuner_freq + 125000) / 250000) << (tda827x_table[i].spd + 2); |
8ce47dad MK |
168 | buf[0] = 0; |
169 | buf[1] = (N>>8) | 0x40; | |
170 | buf[2] = N & 0xff; | |
171 | buf[3] = 0; | |
172 | buf[4] = 0x52; | |
746d9732 MK |
173 | buf[5] = (tda827x_table[i].spd << 6) + (tda827x_table[i].div1p5 << 5) + |
174 | (tda827x_table[i].bs << 3) + | |
175 | tda827x_table[i].bp; | |
176 | buf[6] = (tda827x_table[i].gc3 << 4) + 0x8f; | |
8ce47dad MK |
177 | buf[7] = 0xbf; |
178 | buf[8] = 0x2a; | |
179 | buf[9] = 0x05; | |
180 | buf[10] = 0xff; | |
181 | buf[11] = 0x00; | |
182 | buf[12] = 0x00; | |
183 | buf[13] = 0x40; | |
184 | ||
185 | msg.len = 14; | |
186 | if (fe->ops.i2c_gate_ctrl) | |
187 | fe->ops.i2c_gate_ctrl(fe, 1); | |
188 | if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) { | |
189 | printk("%s: could not write to tuner at addr: 0x%02x\n", | |
7bff4b4d | 190 | __func__, priv->i2c_addr << 1); |
8ce47dad MK |
191 | return -EIO; |
192 | } | |
193 | msleep(500); | |
194 | /* correct CP value */ | |
195 | buf[0] = 0x30; | |
746d9732 | 196 | buf[1] = 0x50 + tda827x_table[i].cp; |
8ce47dad MK |
197 | msg.len = 2; |
198 | ||
199 | if (fe->ops.i2c_gate_ctrl) | |
200 | fe->ops.i2c_gate_ctrl(fe, 1); | |
201 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
202 | ||
92d90f1a | 203 | priv->frequency = params->frequency; |
8ce47dad MK |
204 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; |
205 | ||
206 | return 0; | |
207 | } | |
208 | ||
209 | static int tda827xo_sleep(struct dvb_frontend *fe) | |
210 | { | |
211 | struct tda827x_priv *priv = fe->tuner_priv; | |
212 | static u8 buf[] = { 0x30, 0xd0 }; | |
213 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
214 | .buf = buf, .len = sizeof(buf) }; | |
215 | ||
7bff4b4d | 216 | dprintk("%s:\n", __func__); |
8ce47dad MK |
217 | if (fe->ops.i2c_gate_ctrl) |
218 | fe->ops.i2c_gate_ctrl(fe, 1); | |
219 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
220 | ||
221 | if (priv->cfg && priv->cfg->sleep) | |
222 | priv->cfg->sleep(fe); | |
223 | ||
224 | return 0; | |
225 | } | |
226 | ||
227 | /* ------------------------------------------------------------------ */ | |
228 | ||
746d9732 MK |
229 | static int tda827xo_set_analog_params(struct dvb_frontend *fe, |
230 | struct analog_parameters *params) | |
231 | { | |
232 | unsigned char tuner_reg[8]; | |
233 | unsigned char reg2[2]; | |
234 | u32 N; | |
235 | int i; | |
236 | struct tda827x_priv *priv = fe->tuner_priv; | |
237 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0 }; | |
238 | unsigned int freq = params->frequency; | |
239 | ||
5c82f449 MK |
240 | tda827x_set_std(fe, params); |
241 | ||
746d9732 MK |
242 | if (params->mode == V4L2_TUNER_RADIO) |
243 | freq = freq / 1000; | |
244 | ||
5c82f449 | 245 | N = freq + priv->sgIF; |
746d9732 MK |
246 | |
247 | i = 0; | |
248 | while (tda827x_table[i].lomax < N * 62500) { | |
249 | if (tda827x_table[i + 1].lomax == 0) | |
250 | break; | |
251 | i++; | |
252 | } | |
253 | ||
254 | N = N << tda827x_table[i].spd; | |
255 | ||
256 | tuner_reg[0] = 0; | |
257 | tuner_reg[1] = (unsigned char)(N>>8); | |
258 | tuner_reg[2] = (unsigned char) N; | |
259 | tuner_reg[3] = 0x40; | |
5c82f449 | 260 | tuner_reg[4] = 0x52 + (priv->lpsel << 5); |
746d9732 MK |
261 | tuner_reg[5] = (tda827x_table[i].spd << 6) + |
262 | (tda827x_table[i].div1p5 << 5) + | |
263 | (tda827x_table[i].bs << 3) + tda827x_table[i].bp; | |
264 | tuner_reg[6] = 0x8f + (tda827x_table[i].gc3 << 4); | |
265 | tuner_reg[7] = 0x8f; | |
266 | ||
267 | msg.buf = tuner_reg; | |
268 | msg.len = 8; | |
269 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
270 | ||
271 | msg.buf = reg2; | |
272 | msg.len = 2; | |
273 | reg2[0] = 0x80; | |
274 | reg2[1] = 0; | |
275 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
276 | ||
277 | reg2[0] = 0x60; | |
278 | reg2[1] = 0xbf; | |
279 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
280 | ||
281 | reg2[0] = 0x30; | |
282 | reg2[1] = tuner_reg[4] + 0x80; | |
283 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
284 | ||
285 | msleep(1); | |
286 | reg2[0] = 0x30; | |
287 | reg2[1] = tuner_reg[4] + 4; | |
288 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
289 | ||
290 | msleep(1); | |
291 | reg2[0] = 0x30; | |
292 | reg2[1] = tuner_reg[4]; | |
293 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
294 | ||
295 | msleep(550); | |
296 | reg2[0] = 0x30; | |
297 | reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_table[i].cp; | |
298 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
299 | ||
300 | reg2[0] = 0x60; | |
301 | reg2[1] = 0x3f; | |
302 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
303 | ||
304 | reg2[0] = 0x80; | |
305 | reg2[1] = 0x08; /* Vsync en */ | |
306 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
307 | ||
92d90f1a | 308 | priv->frequency = params->frequency; |
746d9732 MK |
309 | |
310 | return 0; | |
311 | } | |
312 | ||
313 | static void tda827xo_agcf(struct dvb_frontend *fe) | |
314 | { | |
315 | struct tda827x_priv *priv = fe->tuner_priv; | |
316 | unsigned char data[] = { 0x80, 0x0c }; | |
317 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
318 | .buf = data, .len = 2}; | |
319 | ||
320 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
321 | } | |
322 | ||
323 | /* ------------------------------------------------------------------ */ | |
324 | ||
8ce47dad MK |
325 | struct tda827xa_data { |
326 | u32 lomax; | |
327 | u8 svco; | |
328 | u8 spd; | |
329 | u8 scr; | |
330 | u8 sbs; | |
331 | u8 gc3; | |
332 | }; | |
333 | ||
334 | static const struct tda827xa_data tda827xa_dvbt[] = { | |
335 | { .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 1}, | |
336 | { .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1}, | |
337 | { .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1}, | |
338 | { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 1}, | |
339 | { .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, | |
340 | { .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
341 | { .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
342 | { .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
343 | { .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
344 | { .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, | |
345 | { .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, | |
346 | { .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, | |
347 | { .lomax = 290000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, | |
348 | { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1}, | |
349 | { .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1}, | |
350 | { .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 1}, | |
351 | { .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
352 | { .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, | |
353 | { .lomax = 550000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
354 | { .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
355 | { .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
356 | { .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
357 | { .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
358 | { .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
359 | { .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
360 | { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, | |
361 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} | |
362 | }; | |
363 | ||
746d9732 MK |
364 | static struct tda827xa_data tda827xa_analog[] = { |
365 | { .lomax = 56875000, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3}, | |
366 | { .lomax = 67250000, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, | |
367 | { .lomax = 81250000, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, | |
368 | { .lomax = 97500000, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, | |
369 | { .lomax = 113750000, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, | |
370 | { .lomax = 134500000, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
371 | { .lomax = 154000000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
372 | { .lomax = 162500000, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
373 | { .lomax = 183000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, | |
374 | { .lomax = 195000000, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, | |
375 | { .lomax = 227500000, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3}, | |
376 | { .lomax = 269000000, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3}, | |
377 | { .lomax = 325000000, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, | |
378 | { .lomax = 390000000, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, | |
379 | { .lomax = 455000000, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, | |
380 | { .lomax = 520000000, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
381 | { .lomax = 538000000, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, | |
382 | { .lomax = 554000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, | |
383 | { .lomax = 620000000, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
384 | { .lomax = 650000000, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
385 | { .lomax = 700000000, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
386 | { .lomax = 780000000, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
387 | { .lomax = 820000000, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, | |
388 | { .lomax = 870000000, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, | |
389 | { .lomax = 911000000, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, | |
390 | { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} | |
391 | }; | |
392 | ||
7bff4b4d HH |
393 | static int tda827xa_sleep(struct dvb_frontend *fe) |
394 | { | |
395 | struct tda827x_priv *priv = fe->tuner_priv; | |
396 | static u8 buf[] = { 0x30, 0x90 }; | |
397 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
398 | .buf = buf, .len = sizeof(buf) }; | |
399 | ||
400 | dprintk("%s:\n", __func__); | |
401 | if (fe->ops.i2c_gate_ctrl) | |
402 | fe->ops.i2c_gate_ctrl(fe, 1); | |
403 | ||
404 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
405 | ||
406 | if (fe->ops.i2c_gate_ctrl) | |
407 | fe->ops.i2c_gate_ctrl(fe, 0); | |
408 | ||
409 | if (priv->cfg && priv->cfg->sleep) | |
410 | priv->cfg->sleep(fe); | |
411 | ||
412 | return 0; | |
413 | } | |
414 | ||
415 | static void tda827xa_lna_gain(struct dvb_frontend *fe, int high, | |
416 | struct analog_parameters *params) | |
417 | { | |
418 | struct tda827x_priv *priv = fe->tuner_priv; | |
419 | unsigned char buf[] = {0x22, 0x01}; | |
420 | int arg; | |
421 | int gp_func; | |
67642a0a | 422 | struct i2c_msg msg = { .flags = 0, .buf = buf, .len = sizeof(buf) }; |
7bff4b4d HH |
423 | |
424 | if (NULL == priv->cfg) { | |
425 | dprintk("tda827x_config not defined, cannot set LNA gain!\n"); | |
426 | return; | |
427 | } | |
67642a0a | 428 | msg.addr = priv->cfg->switch_addr; |
7bff4b4d HH |
429 | if (priv->cfg->config) { |
430 | if (high) | |
431 | dprintk("setting LNA to high gain\n"); | |
432 | else | |
433 | dprintk("setting LNA to low gain\n"); | |
434 | } | |
435 | switch (priv->cfg->config) { | |
436 | case 0: /* no LNA */ | |
437 | break; | |
438 | case 1: /* switch is GPIO 0 of tda8290 */ | |
439 | case 2: | |
440 | if (params == NULL) { | |
441 | gp_func = 0; | |
442 | arg = 0; | |
443 | } else { | |
444 | /* turn Vsync on */ | |
445 | gp_func = 1; | |
446 | if (params->std & V4L2_STD_MN) | |
447 | arg = 1; | |
448 | else | |
449 | arg = 0; | |
450 | } | |
d7cba043 MK |
451 | if (fe->callback) |
452 | fe->callback(priv->i2c_adap->algo_data, | |
453 | DVB_FRONTEND_COMPONENT_TUNER, | |
454 | gp_func, arg); | |
7bff4b4d HH |
455 | buf[1] = high ? 0 : 1; |
456 | if (priv->cfg->config == 2) | |
457 | buf[1] = high ? 1 : 0; | |
458 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
459 | break; | |
460 | case 3: /* switch with GPIO of saa713x */ | |
d7cba043 MK |
461 | if (fe->callback) |
462 | fe->callback(priv->i2c_adap->algo_data, | |
463 | DVB_FRONTEND_COMPONENT_TUNER, 0, high); | |
7bff4b4d HH |
464 | break; |
465 | } | |
466 | } | |
467 | ||
8ce47dad MK |
468 | static int tda827xa_set_params(struct dvb_frontend *fe, |
469 | struct dvb_frontend_parameters *params) | |
470 | { | |
471 | struct tda827x_priv *priv = fe->tuner_priv; | |
ede2200d | 472 | u8 buf[11]; |
8ce47dad MK |
473 | |
474 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
475 | .buf = buf, .len = sizeof(buf) }; | |
476 | ||
477 | int i, tuner_freq, if_freq; | |
478 | u32 N; | |
479 | ||
7bff4b4d HH |
480 | dprintk("%s:\n", __func__); |
481 | ||
482 | tda827xa_lna_gain(fe, 1, NULL); | |
8ce47dad MK |
483 | msleep(20); |
484 | ||
485 | switch (params->u.ofdm.bandwidth) { | |
486 | case BANDWIDTH_6_MHZ: | |
487 | if_freq = 4000000; | |
488 | break; | |
489 | case BANDWIDTH_7_MHZ: | |
490 | if_freq = 4500000; | |
491 | break; | |
492 | default: /* 8 MHz or Auto */ | |
493 | if_freq = 5000000; | |
494 | break; | |
495 | } | |
496 | tuner_freq = params->frequency + if_freq; | |
497 | ||
498 | i = 0; | |
499 | while (tda827xa_dvbt[i].lomax < tuner_freq) { | |
500 | if(tda827xa_dvbt[i + 1].lomax == 0) | |
501 | break; | |
502 | i++; | |
503 | } | |
504 | ||
505 | N = ((tuner_freq + 31250) / 62500) << tda827xa_dvbt[i].spd; | |
506 | buf[0] = 0; // subaddress | |
507 | buf[1] = N >> 8; | |
508 | buf[2] = N & 0xff; | |
509 | buf[3] = 0; | |
510 | buf[4] = 0x16; | |
511 | buf[5] = (tda827xa_dvbt[i].spd << 5) + (tda827xa_dvbt[i].svco << 3) + | |
512 | tda827xa_dvbt[i].sbs; | |
513 | buf[6] = 0x4b + (tda827xa_dvbt[i].gc3 << 4); | |
514 | buf[7] = 0x1c; | |
515 | buf[8] = 0x06; | |
516 | buf[9] = 0x24; | |
517 | buf[10] = 0x00; | |
518 | msg.len = 11; | |
519 | if (fe->ops.i2c_gate_ctrl) | |
520 | fe->ops.i2c_gate_ctrl(fe, 1); | |
521 | if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) { | |
522 | printk("%s: could not write to tuner at addr: 0x%02x\n", | |
7bff4b4d | 523 | __func__, priv->i2c_addr << 1); |
8ce47dad MK |
524 | return -EIO; |
525 | } | |
526 | buf[0] = 0x90; | |
527 | buf[1] = 0xff; | |
528 | buf[2] = 0x60; | |
529 | buf[3] = 0x00; | |
530 | buf[4] = 0x59; // lpsel, for 6MHz + 2 | |
531 | msg.len = 5; | |
532 | if (fe->ops.i2c_gate_ctrl) | |
533 | fe->ops.i2c_gate_ctrl(fe, 1); | |
534 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
535 | ||
536 | buf[0] = 0xa0; | |
537 | buf[1] = 0x40; | |
538 | msg.len = 2; | |
539 | if (fe->ops.i2c_gate_ctrl) | |
540 | fe->ops.i2c_gate_ctrl(fe, 1); | |
541 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
542 | ||
543 | msleep(11); | |
544 | msg.flags = I2C_M_RD; | |
545 | if (fe->ops.i2c_gate_ctrl) | |
546 | fe->ops.i2c_gate_ctrl(fe, 1); | |
547 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
548 | msg.flags = 0; | |
549 | ||
550 | buf[1] >>= 4; | |
551 | dprintk("tda8275a AGC2 gain is: %d\n", buf[1]); | |
552 | if ((buf[1]) < 2) { | |
7bff4b4d | 553 | tda827xa_lna_gain(fe, 0, NULL); |
8ce47dad MK |
554 | buf[0] = 0x60; |
555 | buf[1] = 0x0c; | |
556 | if (fe->ops.i2c_gate_ctrl) | |
557 | fe->ops.i2c_gate_ctrl(fe, 1); | |
558 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
559 | } | |
560 | ||
561 | buf[0] = 0xc0; | |
562 | buf[1] = 0x99; // lpsel, for 6MHz + 2 | |
563 | if (fe->ops.i2c_gate_ctrl) | |
564 | fe->ops.i2c_gate_ctrl(fe, 1); | |
565 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
566 | ||
567 | buf[0] = 0x60; | |
568 | buf[1] = 0x3c; | |
569 | if (fe->ops.i2c_gate_ctrl) | |
570 | fe->ops.i2c_gate_ctrl(fe, 1); | |
571 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
572 | ||
573 | /* correct CP value */ | |
574 | buf[0] = 0x30; | |
575 | buf[1] = 0x10 + tda827xa_dvbt[i].scr; | |
576 | if (fe->ops.i2c_gate_ctrl) | |
577 | fe->ops.i2c_gate_ctrl(fe, 1); | |
578 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
579 | ||
580 | msleep(163); | |
581 | buf[0] = 0xc0; | |
582 | buf[1] = 0x39; // lpsel, for 6MHz + 2 | |
583 | if (fe->ops.i2c_gate_ctrl) | |
584 | fe->ops.i2c_gate_ctrl(fe, 1); | |
585 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
586 | ||
587 | msleep(3); | |
588 | /* freeze AGC1 */ | |
589 | buf[0] = 0x50; | |
590 | buf[1] = 0x4f + (tda827xa_dvbt[i].gc3 << 4); | |
591 | if (fe->ops.i2c_gate_ctrl) | |
592 | fe->ops.i2c_gate_ctrl(fe, 1); | |
593 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
594 | ||
92d90f1a | 595 | priv->frequency = params->frequency; |
8ce47dad MK |
596 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; |
597 | ||
598 | return 0; | |
599 | } | |
600 | ||
746d9732 MK |
601 | |
602 | static int tda827xa_set_analog_params(struct dvb_frontend *fe, | |
603 | struct analog_parameters *params) | |
604 | { | |
605 | unsigned char tuner_reg[11]; | |
606 | u32 N; | |
607 | int i; | |
608 | struct tda827x_priv *priv = fe->tuner_priv; | |
609 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0, | |
610 | .buf = tuner_reg, .len = sizeof(tuner_reg) }; | |
611 | unsigned int freq = params->frequency; | |
612 | ||
5c82f449 MK |
613 | tda827x_set_std(fe, params); |
614 | ||
746d9732 MK |
615 | tda827xa_lna_gain(fe, 1, params); |
616 | msleep(10); | |
617 | ||
618 | if (params->mode == V4L2_TUNER_RADIO) | |
619 | freq = freq / 1000; | |
620 | ||
5c82f449 | 621 | N = freq + priv->sgIF; |
746d9732 MK |
622 | |
623 | i = 0; | |
624 | while (tda827xa_analog[i].lomax < N * 62500) { | |
625 | if (tda827xa_analog[i + 1].lomax == 0) | |
626 | break; | |
627 | i++; | |
628 | } | |
629 | ||
630 | N = N << tda827xa_analog[i].spd; | |
631 | ||
632 | tuner_reg[0] = 0; | |
633 | tuner_reg[1] = (unsigned char)(N>>8); | |
634 | tuner_reg[2] = (unsigned char) N; | |
635 | tuner_reg[3] = 0; | |
636 | tuner_reg[4] = 0x16; | |
637 | tuner_reg[5] = (tda827xa_analog[i].spd << 5) + | |
638 | (tda827xa_analog[i].svco << 3) + | |
639 | tda827xa_analog[i].sbs; | |
640 | tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4); | |
641 | tuner_reg[7] = 0x1c; | |
642 | tuner_reg[8] = 4; | |
643 | tuner_reg[9] = 0x20; | |
644 | tuner_reg[10] = 0x00; | |
645 | msg.len = 11; | |
646 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
647 | ||
648 | tuner_reg[0] = 0x90; | |
649 | tuner_reg[1] = 0xff; | |
650 | tuner_reg[2] = 0xe0; | |
651 | tuner_reg[3] = 0; | |
5c82f449 | 652 | tuner_reg[4] = 0x99 + (priv->lpsel << 1); |
746d9732 MK |
653 | msg.len = 5; |
654 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
655 | ||
656 | tuner_reg[0] = 0xa0; | |
657 | tuner_reg[1] = 0xc0; | |
658 | msg.len = 2; | |
659 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
660 | ||
661 | tuner_reg[0] = 0x30; | |
662 | tuner_reg[1] = 0x10 + tda827xa_analog[i].scr; | |
663 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
664 | ||
665 | msg.flags = I2C_M_RD; | |
666 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
667 | msg.flags = 0; | |
668 | tuner_reg[1] >>= 4; | |
669 | dprintk("AGC2 gain is: %d\n", tuner_reg[1]); | |
670 | if (tuner_reg[1] < 1) | |
671 | tda827xa_lna_gain(fe, 0, params); | |
672 | ||
673 | msleep(100); | |
674 | tuner_reg[0] = 0x60; | |
675 | tuner_reg[1] = 0x3c; | |
676 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
677 | ||
678 | msleep(163); | |
679 | tuner_reg[0] = 0x50; | |
680 | tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4); | |
681 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
682 | ||
683 | tuner_reg[0] = 0x80; | |
684 | tuner_reg[1] = 0x28; | |
685 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
686 | ||
687 | tuner_reg[0] = 0xb0; | |
688 | tuner_reg[1] = 0x01; | |
689 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
690 | ||
691 | tuner_reg[0] = 0xc0; | |
5c82f449 | 692 | tuner_reg[1] = 0x19 + (priv->lpsel << 1); |
746d9732 MK |
693 | i2c_transfer(priv->i2c_adap, &msg, 1); |
694 | ||
92d90f1a | 695 | priv->frequency = params->frequency; |
746d9732 MK |
696 | |
697 | return 0; | |
698 | } | |
699 | ||
700 | static void tda827xa_agcf(struct dvb_frontend *fe) | |
701 | { | |
702 | struct tda827x_priv *priv = fe->tuner_priv; | |
703 | unsigned char data[] = {0x80, 0x2c}; | |
704 | struct i2c_msg msg = {.addr = priv->i2c_addr, .flags = 0, | |
705 | .buf = data, .len = 2}; | |
706 | i2c_transfer(priv->i2c_adap, &msg, 1); | |
707 | } | |
708 | ||
709 | /* ------------------------------------------------------------------ */ | |
710 | ||
8ce47dad MK |
711 | static int tda827x_release(struct dvb_frontend *fe) |
712 | { | |
713 | kfree(fe->tuner_priv); | |
714 | fe->tuner_priv = NULL; | |
715 | return 0; | |
716 | } | |
717 | ||
718 | static int tda827x_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
719 | { | |
720 | struct tda827x_priv *priv = fe->tuner_priv; | |
721 | *frequency = priv->frequency; | |
722 | return 0; | |
723 | } | |
724 | ||
725 | static int tda827x_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
726 | { | |
727 | struct tda827x_priv *priv = fe->tuner_priv; | |
728 | *bandwidth = priv->bandwidth; | |
729 | return 0; | |
730 | } | |
731 | ||
732 | static int tda827x_init(struct dvb_frontend *fe) | |
733 | { | |
734 | struct tda827x_priv *priv = fe->tuner_priv; | |
7bff4b4d | 735 | dprintk("%s:\n", __func__); |
8ce47dad MK |
736 | if (priv->cfg && priv->cfg->init) |
737 | priv->cfg->init(fe); | |
738 | ||
739 | return 0; | |
740 | } | |
741 | ||
9971f4f1 HH |
742 | static int tda827x_probe_version(struct dvb_frontend *fe); |
743 | ||
744 | static int tda827x_initial_init(struct dvb_frontend *fe) | |
745 | { | |
746 | int ret; | |
747 | ret = tda827x_probe_version(fe); | |
748 | if (ret) | |
749 | return ret; | |
750 | return fe->ops.tuner_ops.init(fe); | |
751 | } | |
752 | ||
753 | static int tda827x_initial_sleep(struct dvb_frontend *fe) | |
754 | { | |
755 | int ret; | |
756 | ret = tda827x_probe_version(fe); | |
757 | if (ret) | |
758 | return ret; | |
759 | return fe->ops.tuner_ops.sleep(fe); | |
760 | } | |
8ce47dad MK |
761 | |
762 | static struct dvb_tuner_ops tda827xo_tuner_ops = { | |
763 | .info = { | |
764 | .name = "Philips TDA827X", | |
11f65106 HH |
765 | .frequency_min = 55000000, |
766 | .frequency_max = 860000000, | |
767 | .frequency_step = 250000 | |
8ce47dad MK |
768 | }, |
769 | .release = tda827x_release, | |
9971f4f1 HH |
770 | .init = tda827x_initial_init, |
771 | .sleep = tda827x_initial_sleep, | |
8ce47dad | 772 | .set_params = tda827xo_set_params, |
746d9732 | 773 | .set_analog_params = tda827xo_set_analog_params, |
8ce47dad MK |
774 | .get_frequency = tda827x_get_frequency, |
775 | .get_bandwidth = tda827x_get_bandwidth, | |
776 | }; | |
777 | ||
778 | static struct dvb_tuner_ops tda827xa_tuner_ops = { | |
779 | .info = { | |
780 | .name = "Philips TDA827XA", | |
11f65106 HH |
781 | .frequency_min = 44000000, |
782 | .frequency_max = 906000000, | |
783 | .frequency_step = 62500 | |
8ce47dad MK |
784 | }, |
785 | .release = tda827x_release, | |
786 | .init = tda827x_init, | |
787 | .sleep = tda827xa_sleep, | |
788 | .set_params = tda827xa_set_params, | |
746d9732 | 789 | .set_analog_params = tda827xa_set_analog_params, |
8ce47dad MK |
790 | .get_frequency = tda827x_get_frequency, |
791 | .get_bandwidth = tda827x_get_bandwidth, | |
792 | }; | |
793 | ||
9971f4f1 HH |
794 | static int tda827x_probe_version(struct dvb_frontend *fe) |
795 | { u8 data; | |
796 | struct tda827x_priv *priv = fe->tuner_priv; | |
797 | struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = I2C_M_RD, | |
8ce47dad | 798 | .buf = &data, .len = 1 }; |
8ce47dad MK |
799 | if (fe->ops.i2c_gate_ctrl) |
800 | fe->ops.i2c_gate_ctrl(fe, 1); | |
9971f4f1 | 801 | if (i2c_transfer(priv->i2c_adap, &msg, 1) != 1) { |
8ce47dad | 802 | printk("%s: could not read from tuner at addr: 0x%02x\n", |
7bff4b4d | 803 | __func__, msg.addr << 1); |
9971f4f1 HH |
804 | return -EIO; |
805 | } | |
806 | if ((data & 0x3c) == 0) { | |
807 | dprintk("tda827x tuner found\n"); | |
808 | fe->ops.tuner_ops.init = tda827x_init; | |
809 | fe->ops.tuner_ops.sleep = tda827xo_sleep; | |
3b0c453a MK |
810 | if (priv->cfg) |
811 | priv->cfg->agcf = tda827xo_agcf; | |
9971f4f1 HH |
812 | } else { |
813 | dprintk("tda827xa tuner found\n"); | |
814 | memcpy(&fe->ops.tuner_ops, &tda827xa_tuner_ops, sizeof(struct dvb_tuner_ops)); | |
3b0c453a MK |
815 | if (priv->cfg) |
816 | priv->cfg->agcf = tda827xa_agcf; | |
8ce47dad | 817 | } |
9971f4f1 HH |
818 | return 0; |
819 | } | |
820 | ||
821 | struct dvb_frontend *tda827x_attach(struct dvb_frontend *fe, int addr, | |
822 | struct i2c_adapter *i2c, | |
823 | struct tda827x_config *cfg) | |
824 | { | |
825 | struct tda827x_priv *priv = NULL; | |
8ce47dad | 826 | |
7bff4b4d | 827 | dprintk("%s:\n", __func__); |
8ce47dad MK |
828 | priv = kzalloc(sizeof(struct tda827x_priv), GFP_KERNEL); |
829 | if (priv == NULL) | |
830 | return NULL; | |
831 | ||
832 | priv->i2c_addr = addr; | |
833 | priv->i2c_adap = i2c; | |
834 | priv->cfg = cfg; | |
9971f4f1 | 835 | memcpy(&fe->ops.tuner_ops, &tda827xo_tuner_ops, sizeof(struct dvb_tuner_ops)); |
8ce47dad | 836 | fe->tuner_priv = priv; |
9971f4f1 | 837 | |
746d9732 MK |
838 | dprintk("type set to %s\n", fe->ops.tuner_ops.info.name); |
839 | ||
8ce47dad MK |
840 | return fe; |
841 | } | |
ce1f8bdb | 842 | EXPORT_SYMBOL_GPL(tda827x_attach); |
8ce47dad | 843 | |
8ce47dad | 844 | MODULE_DESCRIPTION("DVB TDA827x driver"); |
11f65106 HH |
845 | MODULE_AUTHOR("Hartmut Hackmann <hartmut.hackmann@t-online.de>"); |
846 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
8ce47dad MK |
847 | MODULE_LICENSE("GPL"); |
848 | ||
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 | */ |