Commit | Line | Data |
---|---|---|
7bbb1ce4 ST |
1 | /* |
2 | NXP TDA10048HN DVB OFDM demodulator driver | |
3 | ||
9e081997 | 4 | Copyright (C) 2009 Steven Toth <stoth@kernellabs.com> |
7bbb1ce4 ST |
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 | ||
22 | #include <linux/kernel.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/module.h> | |
25 | #include <linux/string.h> | |
26 | #include <linux/slab.h> | |
27 | #include <linux/delay.h> | |
81452239 | 28 | #include <linux/math64.h> |
d1141538 | 29 | #include <asm/div64.h> |
7bbb1ce4 | 30 | #include "dvb_frontend.h" |
d5b3d9ff | 31 | #include "dvb_math.h" |
7bbb1ce4 ST |
32 | #include "tda10048.h" |
33 | ||
34 | #define TDA10048_DEFAULT_FIRMWARE "dvb-fe-tda10048-1.0.fw" | |
35 | #define TDA10048_DEFAULT_FIRMWARE_SIZE 24878 | |
36 | ||
37 | /* Register name definitions */ | |
38 | #define TDA10048_IDENTITY 0x00 | |
39 | #define TDA10048_VERSION 0x01 | |
40 | #define TDA10048_DSP_CODE_CPT 0x0C | |
41 | #define TDA10048_DSP_CODE_IN 0x0E | |
42 | #define TDA10048_IN_CONF1 0x10 | |
43 | #define TDA10048_IN_CONF2 0x11 | |
44 | #define TDA10048_IN_CONF3 0x12 | |
45 | #define TDA10048_OUT_CONF1 0x14 | |
46 | #define TDA10048_OUT_CONF2 0x15 | |
47 | #define TDA10048_OUT_CONF3 0x16 | |
48 | #define TDA10048_AUTO 0x18 | |
49 | #define TDA10048_SYNC_STATUS 0x1A | |
50 | #define TDA10048_CONF_C4_1 0x1E | |
51 | #define TDA10048_CONF_C4_2 0x1F | |
52 | #define TDA10048_CODE_IN_RAM 0x20 | |
82751f56 GA |
53 | #define TDA10048_CHANNEL_INFO1_R 0x22 |
54 | #define TDA10048_CHANNEL_INFO2_R 0x23 | |
7bbb1ce4 ST |
55 | #define TDA10048_CHANNEL_INFO1 0x24 |
56 | #define TDA10048_CHANNEL_INFO2 0x25 | |
57 | #define TDA10048_TIME_ERROR_R 0x26 | |
58 | #define TDA10048_TIME_ERROR 0x27 | |
59 | #define TDA10048_FREQ_ERROR_LSB_R 0x28 | |
60 | #define TDA10048_FREQ_ERROR_MSB_R 0x29 | |
61 | #define TDA10048_FREQ_ERROR_LSB 0x2A | |
62 | #define TDA10048_FREQ_ERROR_MSB 0x2B | |
63 | #define TDA10048_IT_SEL 0x30 | |
64 | #define TDA10048_IT_STAT 0x32 | |
65 | #define TDA10048_DSP_AD_LSB 0x3C | |
66 | #define TDA10048_DSP_AD_MSB 0x3D | |
82751f56 GA |
67 | #define TDA10048_DSP_REG_LSB 0x3E |
68 | #define TDA10048_DSP_REG_MSB 0x3F | |
7bbb1ce4 ST |
69 | #define TDA10048_CONF_TRISTATE1 0x44 |
70 | #define TDA10048_CONF_TRISTATE2 0x45 | |
71 | #define TDA10048_CONF_POLARITY 0x46 | |
72 | #define TDA10048_GPIO_SP_DS0 0x48 | |
73 | #define TDA10048_GPIO_SP_DS1 0x49 | |
74 | #define TDA10048_GPIO_SP_DS2 0x4A | |
75 | #define TDA10048_GPIO_SP_DS3 0x4B | |
76 | #define TDA10048_GPIO_OUT_SEL 0x4C | |
77 | #define TDA10048_GPIO_SELECT 0x4D | |
78 | #define TDA10048_IC_MODE 0x4E | |
79 | #define TDA10048_CONF_XO 0x50 | |
80 | #define TDA10048_CONF_PLL1 0x51 | |
81 | #define TDA10048_CONF_PLL2 0x52 | |
82 | #define TDA10048_CONF_PLL3 0x53 | |
83 | #define TDA10048_CONF_ADC 0x54 | |
84 | #define TDA10048_CONF_ADC_2 0x55 | |
85 | #define TDA10048_CONF_C1_1 0x60 | |
86 | #define TDA10048_CONF_C1_3 0x62 | |
87 | #define TDA10048_AGC_CONF 0x70 | |
88 | #define TDA10048_AGC_THRESHOLD_LSB 0x72 | |
89 | #define TDA10048_AGC_THRESHOLD_MSB 0x73 | |
90 | #define TDA10048_AGC_RENORM 0x74 | |
91 | #define TDA10048_AGC_GAINS 0x76 | |
92 | #define TDA10048_AGC_TUN_MIN 0x78 | |
93 | #define TDA10048_AGC_TUN_MAX 0x79 | |
94 | #define TDA10048_AGC_IF_MIN 0x7A | |
95 | #define TDA10048_AGC_IF_MAX 0x7B | |
96 | #define TDA10048_AGC_TUN_LEVEL 0x7E | |
97 | #define TDA10048_AGC_IF_LEVEL 0x7F | |
98 | #define TDA10048_DIG_AGC_LEVEL 0x81 | |
99 | #define TDA10048_FREQ_PHY2_LSB 0x86 | |
100 | #define TDA10048_FREQ_PHY2_MSB 0x87 | |
101 | #define TDA10048_TIME_INVWREF_LSB 0x88 | |
102 | #define TDA10048_TIME_INVWREF_MSB 0x89 | |
103 | #define TDA10048_TIME_WREF_LSB 0x8A | |
104 | #define TDA10048_TIME_WREF_MID1 0x8B | |
105 | #define TDA10048_TIME_WREF_MID2 0x8C | |
106 | #define TDA10048_TIME_WREF_MSB 0x8D | |
107 | #define TDA10048_NP_OUT 0xA2 | |
108 | #define TDA10048_CELL_ID_LSB 0xA4 | |
109 | #define TDA10048_CELL_ID_MSB 0xA5 | |
110 | #define TDA10048_EXTTPS_ODD 0xAA | |
111 | #define TDA10048_EXTTPS_EVEN 0xAB | |
112 | #define TDA10048_TPS_LENGTH 0xAC | |
113 | #define TDA10048_FREE_REG_1 0xB2 | |
114 | #define TDA10048_FREE_REG_2 0xB3 | |
115 | #define TDA10048_CONF_C3_1 0xC0 | |
81452239 | 116 | #define TDA10048_CVBER_CTRL 0xC2 |
7bbb1ce4 ST |
117 | #define TDA10048_CBER_NMAX_LSB 0xC4 |
118 | #define TDA10048_CBER_NMAX_MSB 0xC5 | |
119 | #define TDA10048_CBER_LSB 0xC6 | |
120 | #define TDA10048_CBER_MSB 0xC7 | |
121 | #define TDA10048_VBER_LSB 0xC8 | |
122 | #define TDA10048_VBER_MID 0xC9 | |
123 | #define TDA10048_VBER_MSB 0xCA | |
81452239 | 124 | #define TDA10048_CVBER_LUT 0xCC |
7bbb1ce4 ST |
125 | #define TDA10048_UNCOR_CTRL 0xCD |
126 | #define TDA10048_UNCOR_CPT_LSB 0xCE | |
127 | #define TDA10048_UNCOR_CPT_MSB 0xCF | |
128 | #define TDA10048_SOFT_IT_C3 0xD6 | |
129 | #define TDA10048_CONF_TS2 0xE0 | |
130 | #define TDA10048_CONF_TS1 0xE1 | |
131 | ||
132 | static unsigned int debug; | |
133 | ||
134 | #define dprintk(level, fmt, arg...)\ | |
135 | do { if (debug >= level)\ | |
136 | printk(KERN_DEBUG "tda10048: " fmt, ## arg);\ | |
137 | } while (0) | |
138 | ||
139 | struct tda10048_state { | |
140 | ||
141 | struct i2c_adapter *i2c; | |
142 | ||
9e081997 ST |
143 | /* We'll cache and update the attach config settings */ |
144 | struct tda10048_config config; | |
7bbb1ce4 ST |
145 | struct dvb_frontend frontend; |
146 | ||
147 | int fwloaded; | |
d1141538 ST |
148 | |
149 | u32 freq_if_hz; | |
150 | u32 xtal_hz; | |
151 | u32 pll_mfactor; | |
152 | u32 pll_nfactor; | |
153 | u32 pll_pfactor; | |
154 | u32 sample_freq; | |
155 | ||
88ab898f | 156 | u32 bandwidth; |
7bbb1ce4 ST |
157 | }; |
158 | ||
159 | static struct init_tab { | |
160 | u8 reg; | |
161 | u16 data; | |
162 | } init_tab[] = { | |
163 | { TDA10048_CONF_PLL1, 0x08 }, | |
164 | { TDA10048_CONF_ADC_2, 0x00 }, | |
165 | { TDA10048_CONF_C4_1, 0x00 }, | |
166 | { TDA10048_CONF_PLL1, 0x0f }, | |
167 | { TDA10048_CONF_PLL2, 0x0a }, | |
168 | { TDA10048_CONF_PLL3, 0x43 }, | |
169 | { TDA10048_FREQ_PHY2_LSB, 0x02 }, | |
170 | { TDA10048_FREQ_PHY2_MSB, 0x0a }, | |
171 | { TDA10048_TIME_WREF_LSB, 0xbd }, | |
172 | { TDA10048_TIME_WREF_MID1, 0xe4 }, | |
173 | { TDA10048_TIME_WREF_MID2, 0xa8 }, | |
174 | { TDA10048_TIME_WREF_MSB, 0x02 }, | |
175 | { TDA10048_TIME_INVWREF_LSB, 0x04 }, | |
176 | { TDA10048_TIME_INVWREF_MSB, 0x06 }, | |
177 | { TDA10048_CONF_C4_1, 0x00 }, | |
178 | { TDA10048_CONF_C1_1, 0xa8 }, | |
179 | { TDA10048_AGC_CONF, 0x16 }, | |
180 | { TDA10048_CONF_C1_3, 0x0b }, | |
181 | { TDA10048_AGC_TUN_MIN, 0x00 }, | |
182 | { TDA10048_AGC_TUN_MAX, 0xff }, | |
183 | { TDA10048_AGC_IF_MIN, 0x00 }, | |
184 | { TDA10048_AGC_IF_MAX, 0xff }, | |
185 | { TDA10048_AGC_THRESHOLD_MSB, 0x00 }, | |
186 | { TDA10048_AGC_THRESHOLD_LSB, 0x70 }, | |
81452239 | 187 | { TDA10048_CVBER_CTRL, 0x38 }, |
7bbb1ce4 ST |
188 | { TDA10048_AGC_GAINS, 0x12 }, |
189 | { TDA10048_CONF_XO, 0x00 }, | |
190 | { TDA10048_CONF_TS1, 0x07 }, | |
191 | { TDA10048_IC_MODE, 0x00 }, | |
192 | { TDA10048_CONF_TS2, 0xc0 }, | |
193 | { TDA10048_CONF_TRISTATE1, 0x21 }, | |
194 | { TDA10048_CONF_TRISTATE2, 0x00 }, | |
195 | { TDA10048_CONF_POLARITY, 0x00 }, | |
196 | { TDA10048_CONF_C4_2, 0x04 }, | |
197 | { TDA10048_CONF_ADC, 0x60 }, | |
198 | { TDA10048_CONF_ADC_2, 0x10 }, | |
199 | { TDA10048_CONF_ADC, 0x60 }, | |
200 | { TDA10048_CONF_ADC_2, 0x00 }, | |
201 | { TDA10048_CONF_C1_1, 0xa8 }, | |
202 | { TDA10048_UNCOR_CTRL, 0x00 }, | |
203 | { TDA10048_CONF_C4_2, 0x04 }, | |
204 | }; | |
205 | ||
9e081997 ST |
206 | static struct pll_tab { |
207 | u32 clk_freq_khz; | |
208 | u32 if_freq_khz; | |
9e081997 | 209 | } pll_tab[] = { |
c9f88aa9 JAR |
210 | { TDA10048_CLK_4000, TDA10048_IF_36130 }, |
211 | { TDA10048_CLK_16000, TDA10048_IF_3300 }, | |
212 | { TDA10048_CLK_16000, TDA10048_IF_3500 }, | |
213 | { TDA10048_CLK_16000, TDA10048_IF_3800 }, | |
214 | { TDA10048_CLK_16000, TDA10048_IF_4000 }, | |
215 | { TDA10048_CLK_16000, TDA10048_IF_4300 }, | |
216 | { TDA10048_CLK_16000, TDA10048_IF_4500 }, | |
217 | { TDA10048_CLK_16000, TDA10048_IF_5000 }, | |
218 | { TDA10048_CLK_16000, TDA10048_IF_36130 }, | |
9e081997 ST |
219 | }; |
220 | ||
7bbb1ce4 ST |
221 | static int tda10048_writereg(struct tda10048_state *state, u8 reg, u8 data) |
222 | { | |
9e081997 | 223 | struct tda10048_config *config = &state->config; |
7bbb1ce4 | 224 | int ret; |
5c2a164a | 225 | u8 buf[] = { reg, data }; |
7bbb1ce4 | 226 | struct i2c_msg msg = { |
9e081997 | 227 | .addr = config->demod_address, |
7bbb1ce4 ST |
228 | .flags = 0, .buf = buf, .len = 2 }; |
229 | ||
230 | dprintk(2, "%s(reg = 0x%02x, data = 0x%02x)\n", __func__, reg, data); | |
231 | ||
232 | ret = i2c_transfer(state->i2c, &msg, 1); | |
233 | ||
234 | if (ret != 1) | |
235 | printk("%s: writereg error (ret == %i)\n", __func__, ret); | |
236 | ||
237 | return (ret != 1) ? -1 : 0; | |
238 | } | |
239 | ||
240 | static u8 tda10048_readreg(struct tda10048_state *state, u8 reg) | |
241 | { | |
9e081997 | 242 | struct tda10048_config *config = &state->config; |
7bbb1ce4 | 243 | int ret; |
5c2a164a ST |
244 | u8 b0[] = { reg }; |
245 | u8 b1[] = { 0 }; | |
246 | struct i2c_msg msg[] = { | |
9e081997 | 247 | { .addr = config->demod_address, |
7bbb1ce4 | 248 | .flags = 0, .buf = b0, .len = 1 }, |
9e081997 | 249 | { .addr = config->demod_address, |
7bbb1ce4 ST |
250 | .flags = I2C_M_RD, .buf = b1, .len = 1 } }; |
251 | ||
252 | dprintk(2, "%s(reg = 0x%02x)\n", __func__, reg); | |
253 | ||
254 | ret = i2c_transfer(state->i2c, msg, 2); | |
255 | ||
256 | if (ret != 2) | |
257 | printk(KERN_ERR "%s: readreg error (ret == %i)\n", | |
258 | __func__, ret); | |
259 | ||
260 | return b1[0]; | |
261 | } | |
262 | ||
263 | static int tda10048_writeregbulk(struct tda10048_state *state, u8 reg, | |
bc179153 | 264 | const u8 *data, u16 len) |
7bbb1ce4 | 265 | { |
9e081997 | 266 | struct tda10048_config *config = &state->config; |
7bbb1ce4 ST |
267 | int ret = -EREMOTEIO; |
268 | struct i2c_msg msg; | |
269 | u8 *buf; | |
270 | ||
271 | dprintk(2, "%s(%d, ?, len = %d)\n", __func__, reg, len); | |
272 | ||
273 | buf = kmalloc(len + 1, GFP_KERNEL); | |
274 | if (buf == NULL) { | |
275 | ret = -ENOMEM; | |
276 | goto error; | |
277 | } | |
278 | ||
279 | *buf = reg; | |
280 | memcpy(buf + 1, data, len); | |
281 | ||
9e081997 | 282 | msg.addr = config->demod_address; |
7bbb1ce4 ST |
283 | msg.flags = 0; |
284 | msg.buf = buf; | |
285 | msg.len = len + 1; | |
286 | ||
287 | dprintk(2, "%s(): write len = %d\n", | |
288 | __func__, msg.len); | |
289 | ||
290 | ret = i2c_transfer(state->i2c, &msg, 1); | |
291 | if (ret != 1) { | |
292 | printk(KERN_ERR "%s(): writereg error err %i\n", | |
293 | __func__, ret); | |
294 | ret = -EREMOTEIO; | |
295 | } | |
296 | ||
297 | error: | |
298 | kfree(buf); | |
299 | ||
300 | return ret; | |
301 | } | |
302 | ||
d1141538 ST |
303 | static int tda10048_set_phy2(struct dvb_frontend *fe, u32 sample_freq_hz, |
304 | u32 if_hz) | |
305 | { | |
306 | struct tda10048_state *state = fe->demodulator_priv; | |
307 | u64 t; | |
308 | ||
309 | dprintk(1, "%s()\n", __func__); | |
310 | ||
311 | if (sample_freq_hz == 0) | |
312 | return -EINVAL; | |
313 | ||
314 | if (if_hz < (sample_freq_hz / 2)) { | |
315 | /* PHY2 = (if2/fs) * 2^15 */ | |
316 | t = if_hz; | |
317 | t *= 10; | |
318 | t *= 32768; | |
319 | do_div(t, sample_freq_hz); | |
320 | t += 5; | |
321 | do_div(t, 10); | |
322 | } else { | |
323 | /* PHY2 = ((IF1-fs)/fs) * 2^15 */ | |
324 | t = sample_freq_hz - if_hz; | |
325 | t *= 10; | |
326 | t *= 32768; | |
327 | do_div(t, sample_freq_hz); | |
328 | t += 5; | |
329 | do_div(t, 10); | |
330 | t = ~t + 1; | |
331 | } | |
332 | ||
333 | tda10048_writereg(state, TDA10048_FREQ_PHY2_LSB, (u8)t); | |
334 | tda10048_writereg(state, TDA10048_FREQ_PHY2_MSB, (u8)(t >> 8)); | |
335 | ||
336 | return 0; | |
337 | } | |
338 | ||
339 | static int tda10048_set_wref(struct dvb_frontend *fe, u32 sample_freq_hz, | |
340 | u32 bw) | |
341 | { | |
342 | struct tda10048_state *state = fe->demodulator_priv; | |
343 | u64 t, z; | |
d1141538 ST |
344 | |
345 | dprintk(1, "%s()\n", __func__); | |
346 | ||
347 | if (sample_freq_hz == 0) | |
348 | return -EINVAL; | |
349 | ||
d1141538 | 350 | /* WREF = (B / (7 * fs)) * 2^31 */ |
0f0d1a39 | 351 | t = bw * 10; |
d1141538 ST |
352 | /* avoid warning: this decimal constant is unsigned only in ISO C90 */ |
353 | /* t *= 2147483648 on 32bit platforms */ | |
354 | t *= (2048 * 1024); | |
355 | t *= 1024; | |
356 | z = 7 * sample_freq_hz; | |
357 | do_div(t, z); | |
358 | t += 5; | |
359 | do_div(t, 10); | |
360 | ||
361 | tda10048_writereg(state, TDA10048_TIME_WREF_LSB, (u8)t); | |
362 | tda10048_writereg(state, TDA10048_TIME_WREF_MID1, (u8)(t >> 8)); | |
363 | tda10048_writereg(state, TDA10048_TIME_WREF_MID2, (u8)(t >> 16)); | |
364 | tda10048_writereg(state, TDA10048_TIME_WREF_MSB, (u8)(t >> 24)); | |
365 | ||
366 | return 0; | |
367 | } | |
368 | ||
369 | static int tda10048_set_invwref(struct dvb_frontend *fe, u32 sample_freq_hz, | |
370 | u32 bw) | |
371 | { | |
372 | struct tda10048_state *state = fe->demodulator_priv; | |
373 | u64 t; | |
d1141538 ST |
374 | |
375 | dprintk(1, "%s()\n", __func__); | |
376 | ||
377 | if (sample_freq_hz == 0) | |
378 | return -EINVAL; | |
379 | ||
d1141538 ST |
380 | /* INVWREF = ((7 * fs) / B) * 2^5 */ |
381 | t = sample_freq_hz; | |
382 | t *= 7; | |
383 | t *= 32; | |
384 | t *= 10; | |
0f0d1a39 | 385 | do_div(t, bw); |
d1141538 ST |
386 | t += 5; |
387 | do_div(t, 10); | |
388 | ||
389 | tda10048_writereg(state, TDA10048_TIME_INVWREF_LSB, (u8)t); | |
390 | tda10048_writereg(state, TDA10048_TIME_INVWREF_MSB, (u8)(t >> 8)); | |
391 | ||
392 | return 0; | |
393 | } | |
394 | ||
395 | static int tda10048_set_bandwidth(struct dvb_frontend *fe, | |
0f0d1a39 | 396 | u32 bw) |
d1141538 ST |
397 | { |
398 | struct tda10048_state *state = fe->demodulator_priv; | |
399 | dprintk(1, "%s(bw=%d)\n", __func__, bw); | |
400 | ||
401 | /* Bandwidth setting may need to be adjusted */ | |
402 | switch (bw) { | |
0f0d1a39 MCC |
403 | case 6000000: |
404 | case 7000000: | |
405 | case 8000000: | |
d1141538 ST |
406 | tda10048_set_wref(fe, state->sample_freq, bw); |
407 | tda10048_set_invwref(fe, state->sample_freq, bw); | |
408 | break; | |
409 | default: | |
410 | printk(KERN_ERR "%s() invalid bandwidth\n", __func__); | |
411 | return -EINVAL; | |
412 | } | |
413 | ||
414 | state->bandwidth = bw; | |
415 | ||
416 | return 0; | |
417 | } | |
418 | ||
0f0d1a39 | 419 | static int tda10048_set_if(struct dvb_frontend *fe, u32 bw) |
d1141538 ST |
420 | { |
421 | struct tda10048_state *state = fe->demodulator_priv; | |
9e081997 ST |
422 | struct tda10048_config *config = &state->config; |
423 | int i; | |
424 | u32 if_freq_khz; | |
d1141538 | 425 | |
9e081997 | 426 | dprintk(1, "%s(bw = %d)\n", __func__, bw); |
d1141538 | 427 | |
9e081997 ST |
428 | /* based on target bandwidth and clk we calculate pll factors */ |
429 | switch (bw) { | |
0f0d1a39 | 430 | case 6000000: |
9e081997 ST |
431 | if_freq_khz = config->dtv6_if_freq_khz; |
432 | break; | |
0f0d1a39 | 433 | case 7000000: |
9e081997 ST |
434 | if_freq_khz = config->dtv7_if_freq_khz; |
435 | break; | |
0f0d1a39 | 436 | case 8000000: |
9e081997 ST |
437 | if_freq_khz = config->dtv8_if_freq_khz; |
438 | break; | |
439 | default: | |
440 | printk(KERN_ERR "%s() no default\n", __func__); | |
441 | return -EINVAL; | |
442 | } | |
443 | ||
444 | for (i = 0; i < ARRAY_SIZE(pll_tab); i++) { | |
445 | if ((pll_tab[i].clk_freq_khz == config->clk_freq_khz) && | |
446 | (pll_tab[i].if_freq_khz == if_freq_khz)) { | |
447 | ||
448 | state->freq_if_hz = pll_tab[i].if_freq_khz * 1000; | |
449 | state->xtal_hz = pll_tab[i].clk_freq_khz * 1000; | |
9e081997 ST |
450 | break; |
451 | } | |
452 | } | |
453 | if (i == ARRAY_SIZE(pll_tab)) { | |
454 | printk(KERN_ERR "%s() Incorrect attach settings\n", | |
455 | __func__); | |
456 | return -EINVAL; | |
d1141538 ST |
457 | } |
458 | ||
459 | dprintk(1, "- freq_if_hz = %d\n", state->freq_if_hz); | |
460 | dprintk(1, "- xtal_hz = %d\n", state->xtal_hz); | |
461 | dprintk(1, "- pll_mfactor = %d\n", state->pll_mfactor); | |
462 | dprintk(1, "- pll_nfactor = %d\n", state->pll_nfactor); | |
463 | dprintk(1, "- pll_pfactor = %d\n", state->pll_pfactor); | |
464 | ||
465 | /* Calculate the sample frequency */ | |
466 | state->sample_freq = state->xtal_hz * (state->pll_mfactor + 45); | |
467 | state->sample_freq /= (state->pll_nfactor + 1); | |
468 | state->sample_freq /= (state->pll_pfactor + 4); | |
469 | dprintk(1, "- sample_freq = %d\n", state->sample_freq); | |
470 | ||
9e081997 ST |
471 | /* Update the I/F */ |
472 | tda10048_set_phy2(fe, state->sample_freq, state->freq_if_hz); | |
d1141538 | 473 | |
9e081997 | 474 | return 0; |
d1141538 ST |
475 | } |
476 | ||
7bbb1ce4 ST |
477 | static int tda10048_firmware_upload(struct dvb_frontend *fe) |
478 | { | |
479 | struct tda10048_state *state = fe->demodulator_priv; | |
9e081997 | 480 | struct tda10048_config *config = &state->config; |
7bbb1ce4 ST |
481 | const struct firmware *fw; |
482 | int ret; | |
483 | int pos = 0; | |
484 | int cnt; | |
9e081997 | 485 | u8 wlen = config->fwbulkwritelen; |
7bbb1ce4 ST |
486 | |
487 | if ((wlen != TDA10048_BULKWRITE_200) && (wlen != TDA10048_BULKWRITE_50)) | |
488 | wlen = TDA10048_BULKWRITE_200; | |
489 | ||
490 | /* request the firmware, this will block and timeout */ | |
491 | printk(KERN_INFO "%s: waiting for firmware upload (%s)...\n", | |
492 | __func__, | |
493 | TDA10048_DEFAULT_FIRMWARE); | |
494 | ||
495 | ret = request_firmware(&fw, TDA10048_DEFAULT_FIRMWARE, | |
e9785250 | 496 | state->i2c->dev.parent); |
7bbb1ce4 ST |
497 | if (ret) { |
498 | printk(KERN_ERR "%s: Upload failed. (file not found?)\n", | |
499 | __func__); | |
500 | return -EIO; | |
501 | } else { | |
502 | printk(KERN_INFO "%s: firmware read %Zu bytes.\n", | |
503 | __func__, | |
504 | fw->size); | |
505 | ret = 0; | |
506 | } | |
507 | ||
508 | if (fw->size != TDA10048_DEFAULT_FIRMWARE_SIZE) { | |
509 | printk(KERN_ERR "%s: firmware incorrect size\n", __func__); | |
877b5f4e | 510 | ret = -EIO; |
7bbb1ce4 ST |
511 | } else { |
512 | printk(KERN_INFO "%s: firmware uploading\n", __func__); | |
513 | ||
514 | /* Soft reset */ | |
515 | tda10048_writereg(state, TDA10048_CONF_TRISTATE1, | |
516 | tda10048_readreg(state, TDA10048_CONF_TRISTATE1) | |
517 | & 0xfe); | |
518 | tda10048_writereg(state, TDA10048_CONF_TRISTATE1, | |
519 | tda10048_readreg(state, TDA10048_CONF_TRISTATE1) | |
520 | | 0x01); | |
521 | ||
522 | /* Put the demod into host download mode */ | |
523 | tda10048_writereg(state, TDA10048_CONF_C4_1, | |
524 | tda10048_readreg(state, TDA10048_CONF_C4_1) & 0xf9); | |
525 | ||
526 | /* Boot the DSP */ | |
527 | tda10048_writereg(state, TDA10048_CONF_C4_1, | |
528 | tda10048_readreg(state, TDA10048_CONF_C4_1) | 0x08); | |
529 | ||
530 | /* Prepare for download */ | |
531 | tda10048_writereg(state, TDA10048_DSP_CODE_CPT, 0); | |
532 | ||
533 | /* Download the firmware payload */ | |
534 | while (pos < fw->size) { | |
535 | ||
536 | if ((fw->size - pos) > wlen) | |
537 | cnt = wlen; | |
538 | else | |
539 | cnt = fw->size - pos; | |
540 | ||
541 | tda10048_writeregbulk(state, TDA10048_DSP_CODE_IN, | |
542 | &fw->data[pos], cnt); | |
543 | ||
544 | pos += cnt; | |
545 | } | |
546 | ||
547 | ret = -EIO; | |
548 | /* Wait up to 250ms for the DSP to boot */ | |
549 | for (cnt = 0; cnt < 250 ; cnt += 10) { | |
550 | ||
551 | msleep(10); | |
552 | ||
553 | if (tda10048_readreg(state, TDA10048_SYNC_STATUS) | |
554 | & 0x40) { | |
555 | ret = 0; | |
556 | break; | |
557 | } | |
558 | } | |
559 | } | |
560 | ||
561 | release_firmware(fw); | |
562 | ||
563 | if (ret == 0) { | |
564 | printk(KERN_INFO "%s: firmware uploaded\n", __func__); | |
565 | state->fwloaded = 1; | |
566 | } else | |
567 | printk(KERN_ERR "%s: firmware upload failed\n", __func__); | |
568 | ||
569 | return ret; | |
570 | } | |
571 | ||
572 | static int tda10048_set_inversion(struct dvb_frontend *fe, int inversion) | |
573 | { | |
574 | struct tda10048_state *state = fe->demodulator_priv; | |
575 | ||
576 | dprintk(1, "%s(%d)\n", __func__, inversion); | |
577 | ||
578 | if (inversion == TDA10048_INVERSION_ON) | |
579 | tda10048_writereg(state, TDA10048_CONF_C1_1, | |
580 | tda10048_readreg(state, TDA10048_CONF_C1_1) | 0x20); | |
581 | else | |
582 | tda10048_writereg(state, TDA10048_CONF_C1_1, | |
583 | tda10048_readreg(state, TDA10048_CONF_C1_1) & 0xdf); | |
584 | ||
585 | return 0; | |
586 | } | |
587 | ||
588 | /* Retrieve the demod settings */ | |
589 | static int tda10048_get_tps(struct tda10048_state *state, | |
0f0d1a39 | 590 | struct dtv_frontend_properties *p) |
7bbb1ce4 ST |
591 | { |
592 | u8 val; | |
593 | ||
594 | /* Make sure the TPS regs are valid */ | |
595 | if (!(tda10048_readreg(state, TDA10048_AUTO) & 0x01)) | |
596 | return -EAGAIN; | |
597 | ||
598 | val = tda10048_readreg(state, TDA10048_OUT_CONF2); | |
599 | switch ((val & 0x60) >> 5) { | |
5c2a164a | 600 | case 0: |
0f0d1a39 | 601 | p->modulation = QPSK; |
5c2a164a ST |
602 | break; |
603 | case 1: | |
0f0d1a39 | 604 | p->modulation = QAM_16; |
5c2a164a ST |
605 | break; |
606 | case 2: | |
0f0d1a39 | 607 | p->modulation = QAM_64; |
5c2a164a | 608 | break; |
7bbb1ce4 ST |
609 | } |
610 | switch ((val & 0x18) >> 3) { | |
5c2a164a | 611 | case 0: |
0f0d1a39 | 612 | p->hierarchy = HIERARCHY_NONE; |
5c2a164a ST |
613 | break; |
614 | case 1: | |
0f0d1a39 | 615 | p->hierarchy = HIERARCHY_1; |
5c2a164a ST |
616 | break; |
617 | case 2: | |
0f0d1a39 | 618 | p->hierarchy = HIERARCHY_2; |
5c2a164a ST |
619 | break; |
620 | case 3: | |
0f0d1a39 | 621 | p->hierarchy = HIERARCHY_4; |
5c2a164a | 622 | break; |
7bbb1ce4 ST |
623 | } |
624 | switch (val & 0x07) { | |
5c2a164a ST |
625 | case 0: |
626 | p->code_rate_HP = FEC_1_2; | |
627 | break; | |
628 | case 1: | |
629 | p->code_rate_HP = FEC_2_3; | |
630 | break; | |
631 | case 2: | |
632 | p->code_rate_HP = FEC_3_4; | |
633 | break; | |
634 | case 3: | |
635 | p->code_rate_HP = FEC_5_6; | |
636 | break; | |
637 | case 4: | |
638 | p->code_rate_HP = FEC_7_8; | |
639 | break; | |
7bbb1ce4 ST |
640 | } |
641 | ||
642 | val = tda10048_readreg(state, TDA10048_OUT_CONF3); | |
643 | switch (val & 0x07) { | |
5c2a164a ST |
644 | case 0: |
645 | p->code_rate_LP = FEC_1_2; | |
646 | break; | |
647 | case 1: | |
648 | p->code_rate_LP = FEC_2_3; | |
649 | break; | |
650 | case 2: | |
651 | p->code_rate_LP = FEC_3_4; | |
652 | break; | |
653 | case 3: | |
654 | p->code_rate_LP = FEC_5_6; | |
655 | break; | |
656 | case 4: | |
657 | p->code_rate_LP = FEC_7_8; | |
658 | break; | |
7bbb1ce4 ST |
659 | } |
660 | ||
661 | val = tda10048_readreg(state, TDA10048_OUT_CONF1); | |
662 | switch ((val & 0x0c) >> 2) { | |
5c2a164a ST |
663 | case 0: |
664 | p->guard_interval = GUARD_INTERVAL_1_32; | |
665 | break; | |
666 | case 1: | |
667 | p->guard_interval = GUARD_INTERVAL_1_16; | |
668 | break; | |
669 | case 2: | |
670 | p->guard_interval = GUARD_INTERVAL_1_8; | |
671 | break; | |
672 | case 3: | |
673 | p->guard_interval = GUARD_INTERVAL_1_4; | |
674 | break; | |
7bbb1ce4 | 675 | } |
10ea89d0 | 676 | switch (val & 0x03) { |
5c2a164a ST |
677 | case 0: |
678 | p->transmission_mode = TRANSMISSION_MODE_2K; | |
679 | break; | |
680 | case 1: | |
681 | p->transmission_mode = TRANSMISSION_MODE_8K; | |
682 | break; | |
7bbb1ce4 ST |
683 | } |
684 | ||
685 | return 0; | |
686 | } | |
687 | ||
688 | static int tda10048_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) | |
689 | { | |
690 | struct tda10048_state *state = fe->demodulator_priv; | |
9e081997 | 691 | struct tda10048_config *config = &state->config; |
7bbb1ce4 ST |
692 | dprintk(1, "%s(%d)\n", __func__, enable); |
693 | ||
9e081997 | 694 | if (config->disable_gate_access) |
8153c3b7 ST |
695 | return 0; |
696 | ||
7bbb1ce4 ST |
697 | if (enable) |
698 | return tda10048_writereg(state, TDA10048_CONF_C4_1, | |
699 | tda10048_readreg(state, TDA10048_CONF_C4_1) | 0x02); | |
700 | else | |
701 | return tda10048_writereg(state, TDA10048_CONF_C4_1, | |
702 | tda10048_readreg(state, TDA10048_CONF_C4_1) & 0xfd); | |
703 | } | |
704 | ||
705 | static int tda10048_output_mode(struct dvb_frontend *fe, int serial) | |
706 | { | |
707 | struct tda10048_state *state = fe->demodulator_priv; | |
708 | dprintk(1, "%s(%d)\n", __func__, serial); | |
709 | ||
710 | /* Ensure pins are out of tri-state */ | |
711 | tda10048_writereg(state, TDA10048_CONF_TRISTATE1, 0x21); | |
712 | tda10048_writereg(state, TDA10048_CONF_TRISTATE2, 0x00); | |
713 | ||
714 | if (serial) { | |
715 | tda10048_writereg(state, TDA10048_IC_MODE, 0x80 | 0x20); | |
716 | tda10048_writereg(state, TDA10048_CONF_TS2, 0xc0); | |
717 | } else { | |
718 | tda10048_writereg(state, TDA10048_IC_MODE, 0x00); | |
719 | tda10048_writereg(state, TDA10048_CONF_TS2, 0x01); | |
720 | } | |
721 | ||
722 | return 0; | |
723 | } | |
724 | ||
725 | /* Talk to the demod, set the FEC, GUARD, QAM settings etc */ | |
726 | /* TODO: Support manual tuning with specific params */ | |
0f0d1a39 | 727 | static int tda10048_set_frontend(struct dvb_frontend *fe) |
7bbb1ce4 | 728 | { |
0f0d1a39 | 729 | struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
7bbb1ce4 ST |
730 | struct tda10048_state *state = fe->demodulator_priv; |
731 | ||
732 | dprintk(1, "%s(frequency=%d)\n", __func__, p->frequency); | |
733 | ||
9e081997 | 734 | /* Update the I/F pll's if the bandwidth changes */ |
0f0d1a39 MCC |
735 | if (p->bandwidth_hz != state->bandwidth) { |
736 | tda10048_set_if(fe, p->bandwidth_hz); | |
737 | tda10048_set_bandwidth(fe, p->bandwidth_hz); | |
9e081997 | 738 | } |
d1141538 | 739 | |
7bbb1ce4 ST |
740 | if (fe->ops.tuner_ops.set_params) { |
741 | ||
742 | if (fe->ops.i2c_gate_ctrl) | |
743 | fe->ops.i2c_gate_ctrl(fe, 1); | |
744 | ||
14d24d14 | 745 | fe->ops.tuner_ops.set_params(fe); |
7bbb1ce4 ST |
746 | |
747 | if (fe->ops.i2c_gate_ctrl) | |
748 | fe->ops.i2c_gate_ctrl(fe, 0); | |
749 | } | |
750 | ||
751 | /* Enable demod TPS auto detection and begin acquisition */ | |
752 | tda10048_writereg(state, TDA10048_AUTO, 0x57); | |
81452239 GA |
753 | /* trigger cber and vber acquisition */ |
754 | tda10048_writereg(state, TDA10048_CVBER_CTRL, 0x3B); | |
7bbb1ce4 ST |
755 | |
756 | return 0; | |
757 | } | |
758 | ||
759 | /* Establish sane defaults and load firmware. */ | |
760 | static int tda10048_init(struct dvb_frontend *fe) | |
761 | { | |
762 | struct tda10048_state *state = fe->demodulator_priv; | |
9e081997 | 763 | struct tda10048_config *config = &state->config; |
7bbb1ce4 ST |
764 | int ret = 0, i; |
765 | ||
766 | dprintk(1, "%s()\n", __func__); | |
767 | ||
c9f88aa9 JAR |
768 | /* PLL */ |
769 | init_tab[4].data = (u8)(state->pll_mfactor); | |
770 | init_tab[5].data = (u8)(state->pll_nfactor) | 0x40; | |
771 | ||
7bbb1ce4 ST |
772 | /* Apply register defaults */ |
773 | for (i = 0; i < ARRAY_SIZE(init_tab); i++) | |
774 | tda10048_writereg(state, init_tab[i].reg, init_tab[i].data); | |
775 | ||
776 | if (state->fwloaded == 0) | |
777 | ret = tda10048_firmware_upload(fe); | |
778 | ||
779 | /* Set either serial or parallel */ | |
9e081997 | 780 | tda10048_output_mode(fe, config->output_mode); |
7bbb1ce4 | 781 | |
d1141538 | 782 | /* Set inversion */ |
9e081997 | 783 | tda10048_set_inversion(fe, config->inversion); |
7bbb1ce4 | 784 | |
9e081997 | 785 | /* Establish default RF values */ |
0f0d1a39 MCC |
786 | tda10048_set_if(fe, 8000000); |
787 | tda10048_set_bandwidth(fe, 8000000); | |
d1141538 | 788 | |
7bbb1ce4 ST |
789 | /* Ensure we leave the gate closed */ |
790 | tda10048_i2c_gate_ctrl(fe, 0); | |
791 | ||
792 | return ret; | |
793 | } | |
794 | ||
795 | static int tda10048_read_status(struct dvb_frontend *fe, fe_status_t *status) | |
796 | { | |
797 | struct tda10048_state *state = fe->demodulator_priv; | |
798 | u8 reg; | |
799 | ||
800 | *status = 0; | |
801 | ||
802 | reg = tda10048_readreg(state, TDA10048_SYNC_STATUS); | |
803 | ||
804 | dprintk(1, "%s() status =0x%02x\n", __func__, reg); | |
805 | ||
806 | if (reg & 0x02) | |
807 | *status |= FE_HAS_CARRIER; | |
808 | ||
809 | if (reg & 0x04) | |
810 | *status |= FE_HAS_SIGNAL; | |
811 | ||
812 | if (reg & 0x08) { | |
813 | *status |= FE_HAS_LOCK; | |
814 | *status |= FE_HAS_VITERBI; | |
815 | *status |= FE_HAS_SYNC; | |
816 | } | |
817 | ||
818 | return 0; | |
819 | } | |
820 | ||
821 | static int tda10048_read_ber(struct dvb_frontend *fe, u32 *ber) | |
822 | { | |
823 | struct tda10048_state *state = fe->demodulator_priv; | |
81452239 GA |
824 | static u32 cber_current; |
825 | u32 cber_nmax; | |
826 | u64 cber_tmp; | |
7bbb1ce4 ST |
827 | |
828 | dprintk(1, "%s()\n", __func__); | |
829 | ||
81452239 GA |
830 | /* update cber on interrupt */ |
831 | if (tda10048_readreg(state, TDA10048_SOFT_IT_C3) & 0x01) { | |
832 | cber_tmp = tda10048_readreg(state, TDA10048_CBER_MSB) << 8 | | |
833 | tda10048_readreg(state, TDA10048_CBER_LSB); | |
834 | cber_nmax = tda10048_readreg(state, TDA10048_CBER_NMAX_MSB) << 8 | | |
835 | tda10048_readreg(state, TDA10048_CBER_NMAX_LSB); | |
836 | cber_tmp *= 100000000; | |
837 | cber_tmp *= 2; | |
838 | cber_tmp = div_u64(cber_tmp, (cber_nmax * 32) + 1); | |
839 | cber_current = (u32)cber_tmp; | |
840 | /* retrigger cber acquisition */ | |
841 | tda10048_writereg(state, TDA10048_CVBER_CTRL, 0x39); | |
842 | } | |
843 | /* actual cber is (*ber)/1e8 */ | |
844 | *ber = cber_current; | |
7bbb1ce4 ST |
845 | |
846 | return 0; | |
847 | } | |
848 | ||
849 | static int tda10048_read_signal_strength(struct dvb_frontend *fe, | |
850 | u16 *signal_strength) | |
851 | { | |
852 | struct tda10048_state *state = fe->demodulator_priv; | |
d5b3d9ff | 853 | u8 v; |
7bbb1ce4 ST |
854 | |
855 | dprintk(1, "%s()\n", __func__); | |
856 | ||
d5b3d9ff ST |
857 | *signal_strength = 65535; |
858 | ||
7bbb1ce4 | 859 | v = tda10048_readreg(state, TDA10048_NP_OUT); |
d5b3d9ff ST |
860 | if (v > 0) |
861 | *signal_strength -= (v << 8) | v; | |
7bbb1ce4 ST |
862 | |
863 | return 0; | |
864 | } | |
865 | ||
d5b3d9ff ST |
866 | /* SNR lookup table */ |
867 | static struct snr_tab { | |
868 | u8 val; | |
869 | u8 data; | |
870 | } snr_tab[] = { | |
871 | { 0, 0 }, | |
872 | { 1, 246 }, | |
873 | { 2, 215 }, | |
874 | { 3, 198 }, | |
875 | { 4, 185 }, | |
876 | { 5, 176 }, | |
877 | { 6, 168 }, | |
878 | { 7, 161 }, | |
879 | { 8, 155 }, | |
880 | { 9, 150 }, | |
881 | { 10, 146 }, | |
882 | { 11, 141 }, | |
883 | { 12, 138 }, | |
884 | { 13, 134 }, | |
885 | { 14, 131 }, | |
886 | { 15, 128 }, | |
887 | { 16, 125 }, | |
888 | { 17, 122 }, | |
889 | { 18, 120 }, | |
890 | { 19, 118 }, | |
891 | { 20, 115 }, | |
892 | { 21, 113 }, | |
893 | { 22, 111 }, | |
894 | { 23, 109 }, | |
895 | { 24, 107 }, | |
896 | { 25, 106 }, | |
897 | { 26, 104 }, | |
898 | { 27, 102 }, | |
899 | { 28, 101 }, | |
900 | { 29, 99 }, | |
901 | { 30, 98 }, | |
902 | { 31, 96 }, | |
903 | { 32, 95 }, | |
904 | { 33, 94 }, | |
905 | { 34, 92 }, | |
906 | { 35, 91 }, | |
907 | { 36, 90 }, | |
908 | { 37, 89 }, | |
909 | { 38, 88 }, | |
910 | { 39, 86 }, | |
911 | { 40, 85 }, | |
912 | { 41, 84 }, | |
913 | { 42, 83 }, | |
914 | { 43, 82 }, | |
915 | { 44, 81 }, | |
916 | { 45, 80 }, | |
917 | { 46, 79 }, | |
918 | { 47, 78 }, | |
919 | { 48, 77 }, | |
920 | { 49, 76 }, | |
921 | { 50, 76 }, | |
922 | { 51, 75 }, | |
923 | { 52, 74 }, | |
924 | { 53, 73 }, | |
925 | { 54, 72 }, | |
926 | { 56, 71 }, | |
927 | { 57, 70 }, | |
928 | { 58, 69 }, | |
929 | { 60, 68 }, | |
930 | { 61, 67 }, | |
931 | { 63, 66 }, | |
932 | { 64, 65 }, | |
933 | { 66, 64 }, | |
934 | { 67, 63 }, | |
935 | { 68, 62 }, | |
936 | { 69, 62 }, | |
937 | { 70, 61 }, | |
938 | { 72, 60 }, | |
939 | { 74, 59 }, | |
940 | { 75, 58 }, | |
941 | { 77, 57 }, | |
942 | { 79, 56 }, | |
943 | { 81, 55 }, | |
944 | { 83, 54 }, | |
945 | { 85, 53 }, | |
946 | { 87, 52 }, | |
947 | { 89, 51 }, | |
948 | { 91, 50 }, | |
949 | { 93, 49 }, | |
950 | { 95, 48 }, | |
951 | { 97, 47 }, | |
952 | { 100, 46 }, | |
953 | { 102, 45 }, | |
954 | { 104, 44 }, | |
955 | { 107, 43 }, | |
956 | { 109, 42 }, | |
957 | { 112, 41 }, | |
958 | { 114, 40 }, | |
959 | { 117, 39 }, | |
960 | { 120, 38 }, | |
961 | { 123, 37 }, | |
962 | { 125, 36 }, | |
963 | { 128, 35 }, | |
964 | { 131, 34 }, | |
965 | { 134, 33 }, | |
966 | { 138, 32 }, | |
967 | { 141, 31 }, | |
968 | { 144, 30 }, | |
969 | { 147, 29 }, | |
970 | { 151, 28 }, | |
971 | { 154, 27 }, | |
972 | { 158, 26 }, | |
973 | { 162, 25 }, | |
974 | { 165, 24 }, | |
975 | { 169, 23 }, | |
976 | { 173, 22 }, | |
977 | { 177, 21 }, | |
978 | { 181, 20 }, | |
979 | { 186, 19 }, | |
980 | { 190, 18 }, | |
981 | { 194, 17 }, | |
982 | { 199, 16 }, | |
983 | { 204, 15 }, | |
984 | { 208, 14 }, | |
985 | { 213, 13 }, | |
986 | { 218, 12 }, | |
987 | { 223, 11 }, | |
988 | { 229, 10 }, | |
989 | { 234, 9 }, | |
990 | { 239, 8 }, | |
991 | { 245, 7 }, | |
992 | { 251, 6 }, | |
993 | { 255, 5 }, | |
994 | }; | |
995 | ||
7bbb1ce4 ST |
996 | static int tda10048_read_snr(struct dvb_frontend *fe, u16 *snr) |
997 | { | |
998 | struct tda10048_state *state = fe->demodulator_priv; | |
d5b3d9ff ST |
999 | u8 v; |
1000 | int i, ret = -EINVAL; | |
7bbb1ce4 ST |
1001 | |
1002 | dprintk(1, "%s()\n", __func__); | |
1003 | ||
d5b3d9ff ST |
1004 | v = tda10048_readreg(state, TDA10048_NP_OUT); |
1005 | for (i = 0; i < ARRAY_SIZE(snr_tab); i++) { | |
1006 | if (v <= snr_tab[i].val) { | |
1007 | *snr = snr_tab[i].data; | |
1008 | ret = 0; | |
1009 | break; | |
1010 | } | |
1011 | } | |
7bbb1ce4 | 1012 | |
d5b3d9ff | 1013 | return ret; |
7bbb1ce4 ST |
1014 | } |
1015 | ||
1016 | static int tda10048_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) | |
1017 | { | |
1018 | struct tda10048_state *state = fe->demodulator_priv; | |
1019 | ||
1020 | dprintk(1, "%s()\n", __func__); | |
1021 | ||
1022 | *ucblocks = tda10048_readreg(state, TDA10048_UNCOR_CPT_MSB) << 8 | | |
1023 | tda10048_readreg(state, TDA10048_UNCOR_CPT_LSB); | |
82751f56 GA |
1024 | /* clear the uncorrected TS packets counter when saturated */ |
1025 | if (*ucblocks == 0xFFFF) | |
1026 | tda10048_writereg(state, TDA10048_UNCOR_CTRL, 0x80); | |
7bbb1ce4 ST |
1027 | |
1028 | return 0; | |
1029 | } | |
1030 | ||
7c61d80a | 1031 | static int tda10048_get_frontend(struct dvb_frontend *fe) |
7bbb1ce4 | 1032 | { |
7c61d80a | 1033 | struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
7bbb1ce4 ST |
1034 | struct tda10048_state *state = fe->demodulator_priv; |
1035 | ||
1036 | dprintk(1, "%s()\n", __func__); | |
1037 | ||
1038 | p->inversion = tda10048_readreg(state, TDA10048_CONF_C1_1) | |
1039 | & 0x20 ? INVERSION_ON : INVERSION_OFF; | |
1040 | ||
0f0d1a39 | 1041 | return tda10048_get_tps(state, p); |
7bbb1ce4 ST |
1042 | } |
1043 | ||
1044 | static int tda10048_get_tune_settings(struct dvb_frontend *fe, | |
1045 | struct dvb_frontend_tune_settings *tune) | |
1046 | { | |
1047 | tune->min_delay_ms = 1000; | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | static void tda10048_release(struct dvb_frontend *fe) | |
1052 | { | |
1053 | struct tda10048_state *state = fe->demodulator_priv; | |
1054 | dprintk(1, "%s()\n", __func__); | |
1055 | kfree(state); | |
1056 | } | |
1057 | ||
9e081997 ST |
1058 | static void tda10048_establish_defaults(struct dvb_frontend *fe) |
1059 | { | |
1060 | struct tda10048_state *state = fe->demodulator_priv; | |
1061 | struct tda10048_config *config = &state->config; | |
1062 | ||
1063 | /* Validate/default the config */ | |
1064 | if (config->dtv6_if_freq_khz == 0) { | |
1065 | config->dtv6_if_freq_khz = TDA10048_IF_4300; | |
1066 | printk(KERN_WARNING "%s() tda10048_config.dtv6_if_freq_khz " | |
1067 | "is not set (defaulting to %d)\n", | |
1068 | __func__, | |
1069 | config->dtv6_if_freq_khz); | |
1070 | } | |
1071 | ||
1072 | if (config->dtv7_if_freq_khz == 0) { | |
1073 | config->dtv7_if_freq_khz = TDA10048_IF_4300; | |
1074 | printk(KERN_WARNING "%s() tda10048_config.dtv7_if_freq_khz " | |
1075 | "is not set (defaulting to %d)\n", | |
1076 | __func__, | |
1077 | config->dtv7_if_freq_khz); | |
1078 | } | |
1079 | ||
1080 | if (config->dtv8_if_freq_khz == 0) { | |
1081 | config->dtv8_if_freq_khz = TDA10048_IF_4300; | |
1082 | printk(KERN_WARNING "%s() tda10048_config.dtv8_if_freq_khz " | |
1083 | "is not set (defaulting to %d)\n", | |
1084 | __func__, | |
1085 | config->dtv8_if_freq_khz); | |
1086 | } | |
1087 | ||
1088 | if (config->clk_freq_khz == 0) { | |
1089 | config->clk_freq_khz = TDA10048_CLK_16000; | |
1090 | printk(KERN_WARNING "%s() tda10048_config.clk_freq_khz " | |
1091 | "is not set (defaulting to %d)\n", | |
1092 | __func__, | |
1093 | config->clk_freq_khz); | |
1094 | } | |
1095 | } | |
1096 | ||
7bbb1ce4 ST |
1097 | static struct dvb_frontend_ops tda10048_ops; |
1098 | ||
1099 | struct dvb_frontend *tda10048_attach(const struct tda10048_config *config, | |
1100 | struct i2c_adapter *i2c) | |
1101 | { | |
1102 | struct tda10048_state *state = NULL; | |
1103 | ||
1104 | dprintk(1, "%s()\n", __func__); | |
1105 | ||
1106 | /* allocate memory for the internal state */ | |
084e24ac | 1107 | state = kzalloc(sizeof(struct tda10048_state), GFP_KERNEL); |
7bbb1ce4 ST |
1108 | if (state == NULL) |
1109 | goto error; | |
1110 | ||
9e081997 ST |
1111 | /* setup the state and clone the config */ |
1112 | memcpy(&state->config, config, sizeof(*config)); | |
7bbb1ce4 | 1113 | state->i2c = i2c; |
c9f88aa9 | 1114 | state->fwloaded = config->no_firmware; |
0f0d1a39 | 1115 | state->bandwidth = 8000000; |
7bbb1ce4 ST |
1116 | |
1117 | /* check if the demod is present */ | |
1118 | if (tda10048_readreg(state, TDA10048_IDENTITY) != 0x048) | |
1119 | goto error; | |
1120 | ||
1121 | /* create dvb_frontend */ | |
1122 | memcpy(&state->frontend.ops, &tda10048_ops, | |
1123 | sizeof(struct dvb_frontend_ops)); | |
1124 | state->frontend.demodulator_priv = state; | |
1125 | ||
c9f88aa9 JAR |
1126 | /* set pll */ |
1127 | if (config->set_pll) { | |
1128 | state->pll_mfactor = config->pll_m; | |
1129 | state->pll_nfactor = config->pll_n; | |
1130 | state->pll_pfactor = config->pll_p; | |
1131 | } else { | |
1132 | state->pll_mfactor = 10; | |
1133 | state->pll_nfactor = 3; | |
1134 | state->pll_pfactor = 0; | |
1135 | } | |
1136 | ||
9e081997 ST |
1137 | /* Establish any defaults the the user didn't pass */ |
1138 | tda10048_establish_defaults(&state->frontend); | |
1139 | ||
d1141538 | 1140 | /* Set the xtal and freq defaults */ |
0f0d1a39 | 1141 | if (tda10048_set_if(&state->frontend, 8000000) != 0) |
9e081997 ST |
1142 | goto error; |
1143 | ||
1144 | /* Default bandwidth */ | |
0f0d1a39 | 1145 | if (tda10048_set_bandwidth(&state->frontend, 8000000) != 0) |
d1141538 ST |
1146 | goto error; |
1147 | ||
7bbb1ce4 ST |
1148 | /* Leave the gate closed */ |
1149 | tda10048_i2c_gate_ctrl(&state->frontend, 0); | |
1150 | ||
1151 | return &state->frontend; | |
1152 | ||
1153 | error: | |
1154 | kfree(state); | |
1155 | return NULL; | |
1156 | } | |
1157 | EXPORT_SYMBOL(tda10048_attach); | |
1158 | ||
1159 | static struct dvb_frontend_ops tda10048_ops = { | |
533b673b | 1160 | .delsys = { SYS_DVBT }, |
7bbb1ce4 ST |
1161 | .info = { |
1162 | .name = "NXP TDA10048HN DVB-T", | |
7bbb1ce4 ST |
1163 | .frequency_min = 177000000, |
1164 | .frequency_max = 858000000, | |
1165 | .frequency_stepsize = 166666, | |
1166 | .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | | |
1167 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | | |
1168 | FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | | |
1169 | FE_CAN_HIERARCHY_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | | |
1170 | FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_RECOVER | |
1171 | }, | |
1172 | ||
1173 | .release = tda10048_release, | |
1174 | .init = tda10048_init, | |
1175 | .i2c_gate_ctrl = tda10048_i2c_gate_ctrl, | |
0f0d1a39 MCC |
1176 | .set_frontend = tda10048_set_frontend, |
1177 | .get_frontend = tda10048_get_frontend, | |
7bbb1ce4 ST |
1178 | .get_tune_settings = tda10048_get_tune_settings, |
1179 | .read_status = tda10048_read_status, | |
1180 | .read_ber = tda10048_read_ber, | |
1181 | .read_signal_strength = tda10048_read_signal_strength, | |
1182 | .read_snr = tda10048_read_snr, | |
1183 | .read_ucblocks = tda10048_read_ucblocks, | |
1184 | }; | |
1185 | ||
1186 | module_param(debug, int, 0644); | |
1187 | MODULE_PARM_DESC(debug, "Enable verbose debug messages"); | |
1188 | ||
1189 | MODULE_DESCRIPTION("NXP TDA10048HN DVB-T Demodulator driver"); | |
1190 | MODULE_AUTHOR("Steven Toth"); | |
1191 | MODULE_LICENSE("GPL"); |