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[PATCH] fix missing includes
[deliverable/linux.git] / drivers / media / dvb / frontends / tda1004x.c
CommitLineData
1da177e4
LT		 1 /*
2 Driver for Philips tda1004xh OFDM Demodulator
3
4 (c) 2003, 2004 Andrew de Quincey & Robert Schlabbach
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
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20
21 */
22/*
23 * This driver needs external firmware. Please use the commands
24 * "<kerneldir>/Documentation/dvb/get_dvb_firmware tda10045",
25 * "<kerneldir>/Documentation/dvb/get_dvb_firmware tda10046" to
26 * download/extract them, and then copy them to /usr/lib/hotplug/firmware.
27 */
28#define TDA10045_DEFAULT_FIRMWARE "dvb-fe-tda10045.fw"
29#define TDA10046_DEFAULT_FIRMWARE "dvb-fe-tda10046.fw"
30
31#include <linux/init.h>
32#include <linux/module.h>
33#include <linux/moduleparam.h>
34#include <linux/device.h>
4e57b681
TS		 35#include <linux/jiffies.h>
36#include <linux/string.h>
37#include <linux/slab.h>
38
1da177e4
LT		 39#include "dvb_frontend.h"
40#include "tda1004x.h"
41
7f5e02db
JS		 42enum tda1004x_demod {
43 TDA1004X_DEMOD_TDA10045,
44 TDA1004X_DEMOD_TDA10046,
45};
1da177e4
LT		 46
47struct tda1004x_state {
48 struct i2c_adapter* i2c;
49 struct dvb_frontend_ops ops;
50 const struct tda1004x_config* config;
51 struct dvb_frontend frontend;
52
53 /* private demod data */
7f5e02db
JS		 54 u8 initialised;
55 enum tda1004x_demod demod_type;
1da177e4
LT		 56};
57
1da177e4
LT		 58static int debug;
59#define dprintk(args...) \
60 do { \
61 if (debug) printk(KERN_DEBUG "tda1004x: " args); \
62 } while (0)
63
64#define TDA1004X_CHIPID 0x00
65#define TDA1004X_AUTO 0x01
66#define TDA1004X_IN_CONF1 0x02
67#define TDA1004X_IN_CONF2 0x03
68#define TDA1004X_OUT_CONF1 0x04
69#define TDA1004X_OUT_CONF2 0x05
70#define TDA1004X_STATUS_CD 0x06
71#define TDA1004X_CONFC4 0x07
72#define TDA1004X_DSSPARE2 0x0C
73#define TDA10045H_CODE_IN 0x0D
74#define TDA10045H_FWPAGE 0x0E
75#define TDA1004X_SCAN_CPT 0x10
76#define TDA1004X_DSP_CMD 0x11
77#define TDA1004X_DSP_ARG 0x12
78#define TDA1004X_DSP_DATA1 0x13
79#define TDA1004X_DSP_DATA2 0x14
80#define TDA1004X_CONFADC1 0x15
81#define TDA1004X_CONFC1 0x16
82#define TDA10045H_S_AGC 0x1a
83#define TDA10046H_AGC_TUN_LEVEL 0x1a
84#define TDA1004X_SNR 0x1c
85#define TDA1004X_CONF_TS1 0x1e
86#define TDA1004X_CONF_TS2 0x1f
87#define TDA1004X_CBER_RESET 0x20
88#define TDA1004X_CBER_MSB 0x21
89#define TDA1004X_CBER_LSB 0x22
90#define TDA1004X_CVBER_LUT 0x23
91#define TDA1004X_VBER_MSB 0x24
92#define TDA1004X_VBER_MID 0x25
93#define TDA1004X_VBER_LSB 0x26
94#define TDA1004X_UNCOR 0x27
95
96#define TDA10045H_CONFPLL_P 0x2D
97#define TDA10045H_CONFPLL_M_MSB 0x2E
98#define TDA10045H_CONFPLL_M_LSB 0x2F
99#define TDA10045H_CONFPLL_N 0x30
100
101#define TDA10046H_CONFPLL1 0x2D
102#define TDA10046H_CONFPLL2 0x2F
103#define TDA10046H_CONFPLL3 0x30
104#define TDA10046H_TIME_WREF1 0x31
105#define TDA10046H_TIME_WREF2 0x32
106#define TDA10046H_TIME_WREF3 0x33
107#define TDA10046H_TIME_WREF4 0x34
108#define TDA10046H_TIME_WREF5 0x35
109
110#define TDA10045H_UNSURW_MSB 0x31
111#define TDA10045H_UNSURW_LSB 0x32
112#define TDA10045H_WREF_MSB 0x33
113#define TDA10045H_WREF_MID 0x34
114#define TDA10045H_WREF_LSB 0x35
115#define TDA10045H_MUXOUT 0x36
116#define TDA1004X_CONFADC2 0x37
117
118#define TDA10045H_IOFFSET 0x38
119
120#define TDA10046H_CONF_TRISTATE1 0x3B
121#define TDA10046H_CONF_TRISTATE2 0x3C
122#define TDA10046H_CONF_POLARITY 0x3D
123#define TDA10046H_FREQ_OFFSET 0x3E
124#define TDA10046H_GPIO_OUT_SEL 0x41
125#define TDA10046H_GPIO_SELECT 0x42
126#define TDA10046H_AGC_CONF 0x43
f03cbea3
HH		 127#define TDA10046H_AGC_THR 0x44
128#define TDA10046H_AGC_RENORM 0x45
1da177e4
LT		 129#define TDA10046H_AGC_GAINS 0x46
130#define TDA10046H_AGC_TUN_MIN 0x47
131#define TDA10046H_AGC_TUN_MAX 0x48
132#define TDA10046H_AGC_IF_MIN 0x49
133#define TDA10046H_AGC_IF_MAX 0x4A
134
135#define TDA10046H_FREQ_PHY2_MSB 0x4D
136#define TDA10046H_FREQ_PHY2_LSB 0x4E
137
138#define TDA10046H_CVBER_CTRL 0x4F
139#define TDA10046H_AGC_IF_LEVEL 0x52
140#define TDA10046H_CODE_CPT 0x57
141#define TDA10046H_CODE_IN 0x58
142
143
144static int tda1004x_write_byteI(struct tda1004x_state *state, int reg, int data)
145{
146 int ret;
147 u8 buf[] = { reg, data };
7f5e02db 148 struct i2c_msg msg = { .flags = 0, .buf = buf, .len = 2 };
1da177e4
LT		 149
150 dprintk("%s: reg=0x%x, data=0x%x\n", __FUNCTION__, reg, data);
151
152 msg.addr = state->config->demod_address;
153 ret = i2c_transfer(state->i2c, &msg, 1);
154
155 if (ret != 1)
156 dprintk("%s: error reg=0x%x, data=0x%x, ret=%i\n",
157 __FUNCTION__, reg, data, ret);
158
159 dprintk("%s: success reg=0x%x, data=0x%x, ret=%i\n", __FUNCTION__,
160 reg, data, ret);
161 return (ret != 1) ? -1 : 0;
162}
163
164static int tda1004x_read_byte(struct tda1004x_state *state, int reg)
165{
166 int ret;
167 u8 b0[] = { reg };
168 u8 b1[] = { 0 };
7f5e02db
JS		 169 struct i2c_msg msg[] = {{ .flags = 0, .buf = b0, .len = 1 },
170 { .flags = I2C_M_RD, .buf = b1, .len = 1 }};
1da177e4
LT		 171
172 dprintk("%s: reg=0x%x\n", __FUNCTION__, reg);
173
174 msg[0].addr = state->config->demod_address;
175 msg[1].addr = state->config->demod_address;
176 ret = i2c_transfer(state->i2c, msg, 2);
177
178 if (ret != 2) {
179 dprintk("%s: error reg=0x%x, ret=%i\n", __FUNCTION__, reg,
180 ret);
181 return -1;
182 }
183
184 dprintk("%s: success reg=0x%x, data=0x%x, ret=%i\n", __FUNCTION__,
185 reg, b1[0], ret);
186 return b1[0];
187}
188
189static int tda1004x_write_mask(struct tda1004x_state *state, int reg, int mask, int data)
190{
191 int val;
192 dprintk("%s: reg=0x%x, mask=0x%x, data=0x%x\n", __FUNCTION__, reg,
193 mask, data);
194
195 // read a byte and check
196 val = tda1004x_read_byte(state, reg);
197 if (val < 0)
198 return val;
199
200 // mask if off
201 val = val & ~mask;
202 val |= data & 0xff;
203
204 // write it out again
205 return tda1004x_write_byteI(state, reg, val);
206}
207
208static int tda1004x_write_buf(struct tda1004x_state *state, int reg, unsigned char *buf, int len)
209{
210 int i;
211 int result;
212
213 dprintk("%s: reg=0x%x, len=0x%x\n", __FUNCTION__, reg, len);
214
215 result = 0;
216 for (i = 0; i < len; i++) {
217 result = tda1004x_write_byteI(state, reg + i, buf[i]);
218 if (result != 0)
219 break;
220 }
221
222 return result;
223}
224
225static int tda1004x_enable_tuner_i2c(struct tda1004x_state *state)
226{
227 int result;
228 dprintk("%s\n", __FUNCTION__);
229
230 result = tda1004x_write_mask(state, TDA1004X_CONFC4, 2, 2);
231 msleep(1);
232 return result;
233}
234
235static int tda1004x_disable_tuner_i2c(struct tda1004x_state *state)
236{
237 dprintk("%s\n", __FUNCTION__);
238
239 return tda1004x_write_mask(state, TDA1004X_CONFC4, 2, 0);
240}
241
242static int tda10045h_set_bandwidth(struct tda1004x_state *state,
243 fe_bandwidth_t bandwidth)
244{
245 static u8 bandwidth_6mhz[] = { 0x02, 0x00, 0x3d, 0x00, 0x60, 0x1e, 0xa7, 0x45, 0x4f };
246 static u8 bandwidth_7mhz[] = { 0x02, 0x00, 0x37, 0x00, 0x4a, 0x2f, 0x6d, 0x76, 0xdb };
247 static u8 bandwidth_8mhz[] = { 0x02, 0x00, 0x3d, 0x00, 0x48, 0x17, 0x89, 0xc7, 0x14 };
248
249 switch (bandwidth) {
250 case BANDWIDTH_6_MHZ:
251 tda1004x_write_buf(state, TDA10045H_CONFPLL_P, bandwidth_6mhz, sizeof(bandwidth_6mhz));
252 break;
253
254 case BANDWIDTH_7_MHZ:
255 tda1004x_write_buf(state, TDA10045H_CONFPLL_P, bandwidth_7mhz, sizeof(bandwidth_7mhz));
256 break;
257
258 case BANDWIDTH_8_MHZ:
259 tda1004x_write_buf(state, TDA10045H_CONFPLL_P, bandwidth_8mhz, sizeof(bandwidth_8mhz));
260 break;
261
262 default:
263 return -EINVAL;
264 }
265
266 tda1004x_write_byteI(state, TDA10045H_IOFFSET, 0);
267
268 return 0;
269}
270
271static int tda10046h_set_bandwidth(struct tda1004x_state *state,
272 fe_bandwidth_t bandwidth)
273{
274 static u8 bandwidth_6mhz[] = { 0x80, 0x15, 0xfe, 0xab, 0x8e };
275 static u8 bandwidth_7mhz[] = { 0x6e, 0x02, 0x53, 0xc8, 0x25 };
276 static u8 bandwidth_8mhz[] = { 0x60, 0x12, 0xa8, 0xe4, 0xbd };
277
278 switch (bandwidth) {
279 case BANDWIDTH_6_MHZ:
280 tda1004x_write_buf(state, TDA10046H_TIME_WREF1, bandwidth_6mhz, sizeof(bandwidth_6mhz));
f03cbea3
HH		 281 if (state->config->if_freq == TDA10046_FREQ_045) {
282 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x09);
283 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x4f);
284 }
1da177e4
LT		 285 break;
286
287 case BANDWIDTH_7_MHZ:
288 tda1004x_write_buf(state, TDA10046H_TIME_WREF1, bandwidth_7mhz, sizeof(bandwidth_7mhz));
f03cbea3
HH		 289 if (state->config->if_freq == TDA10046_FREQ_045) {
290 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0a);
291 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x79);
292 }
1da177e4
LT		 293 break;
294
295 case BANDWIDTH_8_MHZ:
296 tda1004x_write_buf(state, TDA10046H_TIME_WREF1, bandwidth_8mhz, sizeof(bandwidth_8mhz));
f03cbea3
HH		 297 if (state->config->if_freq == TDA10046_FREQ_045) {
298 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0b);
299 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0xa3);
300 }
1da177e4
LT		 301 break;
302
303 default:
304 return -EINVAL;
305 }
306
307 return 0;
308}
309
310static int tda1004x_do_upload(struct tda1004x_state *state,
311 unsigned char *mem, unsigned int len,
312 u8 dspCodeCounterReg, u8 dspCodeInReg)
313{
314 u8 buf[65];
7f5e02db 315 struct i2c_msg fw_msg = { .flags = 0, .buf = buf, .len = 0 };
1da177e4
LT		 316 int tx_size;
317 int pos = 0;
318
319 /* clear code counter */
320 tda1004x_write_byteI(state, dspCodeCounterReg, 0);
321 fw_msg.addr = state->config->demod_address;
322
323 buf[0] = dspCodeInReg;
324 while (pos != len) {
1da177e4
LT		 325 // work out how much to send this time
326 tx_size = len - pos;
7f5e02db 327 if (tx_size > 0x10)
1da177e4 328 tx_size = 0x10;
1da177e4
LT		 329
330 // send the chunk
331 memcpy(buf + 1, mem + pos, tx_size);
332 fw_msg.len = tx_size + 1;
333 if (i2c_transfer(state->i2c, &fw_msg, 1) != 1) {
ecb60deb 334 printk(KERN_ERR "tda1004x: Error during firmware upload\n");
1da177e4
LT		 335 return -EIO;
336 }
337 pos += tx_size;
338
339 dprintk("%s: fw_pos=0x%x\n", __FUNCTION__, pos);
340 }
ecb60deb
HH		 341 // give the DSP a chance to settle 03/10/05 Hac
342 msleep(100);
7f5e02db 343
1da177e4
LT		 344 return 0;
345}
346
ecb60deb 347static int tda1004x_check_upload_ok(struct tda1004x_state *state)
1da177e4
LT		 348{
349 u8 data1, data2;
ecb60deb
HH		 350 unsigned long timeout;
351
352 if (state->demod_type == TDA1004X_DEMOD_TDA10046) {
353 timeout = jiffies + 2 * HZ;
354 while(!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) {
355 if (time_after(jiffies, timeout)) {
356 printk(KERN_ERR "tda1004x: timeout waiting for DSP ready\n");
357 break;
358 }
359 msleep(1);
360 }
361 } else
362 msleep(100);
1da177e4
LT		 363
364 // check upload was OK
365 tda1004x_write_mask(state, TDA1004X_CONFC4, 0x10, 0); // we want to read from the DSP
366 tda1004x_write_byteI(state, TDA1004X_DSP_CMD, 0x67);
367
368 data1 = tda1004x_read_byte(state, TDA1004X_DSP_DATA1);
369 data2 = tda1004x_read_byte(state, TDA1004X_DSP_DATA2);
3faadbb0 370 if (data1 != 0x67 || data2 < 0x20 || data2 > 0x2e) {
ecb60deb 371 printk(KERN_INFO "tda1004x: found firmware revision %x -- invalid\n", data2);
1da177e4 372 return -EIO;
ecb60deb
HH		 373 }
374 printk(KERN_INFO "tda1004x: found firmware revision %x -- ok\n", data2);
1da177e4
LT		 375 return 0;
376}
377
378static int tda10045_fwupload(struct dvb_frontend* fe)
379{
380 struct tda1004x_state* state = fe->demodulator_priv;
381 int ret;
382 const struct firmware *fw;
383
1da177e4 384 /* don't re-upload unless necessary */
ecb60deb 385 if (tda1004x_check_upload_ok(state) == 0)
7f5e02db 386 return 0;
1da177e4
LT		 387
388 /* request the firmware, this will block until someone uploads it */
ecb60deb 389 printk(KERN_INFO "tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE);
1da177e4
LT		 390 ret = state->config->request_firmware(fe, &fw, TDA10045_DEFAULT_FIRMWARE);
391 if (ret) {
ecb60deb 392 printk(KERN_ERR "tda1004x: no firmware upload (timeout or file not found?)\n");
1da177e4
LT		 393 return ret;
394 }
395
396 /* reset chip */
397 tda1004x_write_mask(state, TDA1004X_CONFC4, 0x10, 0);
398 tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8);
399 tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 0);
400 msleep(10);
401
402 /* set parameters */
403 tda10045h_set_bandwidth(state, BANDWIDTH_8_MHZ);
404
405 ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10045H_FWPAGE, TDA10045H_CODE_IN);
0c744b01 406 release_firmware(fw);
1da177e4
LT		 407 if (ret)
408 return ret;
ecb60deb 409 printk(KERN_INFO "tda1004x: firmware upload complete\n");
1da177e4
LT		 410
411 /* wait for DSP to initialise */
412 /* DSPREADY doesn't seem to work on the TDA10045H */
413 msleep(100);
414
ecb60deb 415 return tda1004x_check_upload_ok(state);
1da177e4
LT		 416}
417
ecb60deb 418static void tda10046_init_plls(struct dvb_frontend* fe)
71e34201 419{
ecb60deb 420 struct tda1004x_state* state = fe->demodulator_priv;
71e34201 421
ecb60deb
HH		 422 tda1004x_write_byteI(state, TDA10046H_CONFPLL1, 0xf0);
423 tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); // PLL M = 10
424 if (state->config->xtal_freq == TDA10046_XTAL_4M ) {
425 dprintk("%s: setting up PLLs for a 4 MHz Xtal\n", __FUNCTION__);
426 tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 0); // PLL P = N = 0
427 } else {
428 dprintk("%s: setting up PLLs for a 16 MHz Xtal\n", __FUNCTION__);
429 tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 3); // PLL P = 0, N = 3
430 }
431 tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99);
432 switch (state->config->if_freq) {
433 case TDA10046_FREQ_3617:
434 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4);
435 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c);
436 break;
437 case TDA10046_FREQ_3613:
438 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4);
439 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x13);
440 break;
f03cbea3
HH		 441 case TDA10046_FREQ_045:
442 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0b);
443 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0xa3);
444 break;
445 case TDA10046_FREQ_052:
446 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0c);
447 tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x06);
448 break;
ecb60deb
HH		 449 }
450 tda10046h_set_bandwidth(state, BANDWIDTH_8_MHZ); // default bandwidth 8 MHz
71e34201
JS		 451}
452
1da177e4
LT		 453static int tda10046_fwupload(struct dvb_frontend* fe)
454{
455 struct tda1004x_state* state = fe->demodulator_priv;
1da177e4
LT		 456 int ret;
457 const struct firmware *fw;
458
459 /* reset + wake up chip */
ecb60deb 460 tda1004x_write_byteI(state, TDA1004X_CONFC4, 0);
1da177e4 461 tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 1, 0);
ecb60deb
HH		 462 /* let the clocks recover from sleep */
463 msleep(5);
1da177e4
LT		 464
465 /* don't re-upload unless necessary */
ecb60deb 466 if (tda1004x_check_upload_ok(state) == 0)
7f5e02db 467 return 0;
1da177e4 468
1da177e4 469 /* set parameters */
ecb60deb
HH		 470 tda10046_init_plls(fe);
471
472 if (state->config->request_firmware != NULL) {
473 /* request the firmware, this will block until someone uploads it */
474 printk(KERN_INFO "tda1004x: waiting for firmware upload...\n");
475 ret = state->config->request_firmware(fe, &fw, TDA10046_DEFAULT_FIRMWARE);
476 if (ret) {
477 printk(KERN_ERR "tda1004x: no firmware upload (timeout or file not found?)\n");
478 return ret;
1da177e4 479 }
ecb60deb
HH		 480 tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8); // going to boot from HOST
481 ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10046H_CODE_CPT, TDA10046H_CODE_IN);
0c744b01 482 release_firmware(fw);
ecb60deb
HH		 483 if (ret)
484 return ret;
485 } else {
486 /* boot from firmware eeprom */
487 /* Hac Note: we might need to do some GPIO Magic here */
488 printk(KERN_INFO "tda1004x: booting from eeprom\n");
489 tda1004x_write_mask(state, TDA1004X_CONFC4, 4, 4);
490 msleep(300);
1da177e4 491 }
ecb60deb 492 return tda1004x_check_upload_ok(state);
1da177e4
LT		 493}
494
495static int tda1004x_encode_fec(int fec)
496{
497 // convert known FEC values
498 switch (fec) {
499 case FEC_1_2:
500 return 0;
501 case FEC_2_3:
502 return 1;
503 case FEC_3_4:
504 return 2;
505 case FEC_5_6:
506 return 3;
507 case FEC_7_8:
508 return 4;
509 }
510
511 // unsupported
512 return -EINVAL;
513}
514
515static int tda1004x_decode_fec(int tdafec)
516{
517 // convert known FEC values
518 switch (tdafec) {
519 case 0:
520 return FEC_1_2;
521 case 1:
522 return FEC_2_3;
523 case 2:
524 return FEC_3_4;
525 case 3:
526 return FEC_5_6;
527 case 4:
528 return FEC_7_8;
529 }
530
531 // unsupported
532 return -1;
533}
534
535int tda1004x_write_byte(struct dvb_frontend* fe, int reg, int data)
536{
537 struct tda1004x_state* state = fe->demodulator_priv;
538
539 return tda1004x_write_byteI(state, reg, data);
540}
541
542static int tda10045_init(struct dvb_frontend* fe)
543{
544 struct tda1004x_state* state = fe->demodulator_priv;
545
546 dprintk("%s\n", __FUNCTION__);
547
7f5e02db
JS		 548 if (state->initialised)
549 return 0;
1da177e4
LT		 550
551 if (tda10045_fwupload(fe)) {
552 printk("tda1004x: firmware upload failed\n");
553 return -EIO;
554 }
555
556 tda1004x_write_mask(state, TDA1004X_CONFADC1, 0x10, 0); // wake up the ADC
557
558 // Init the PLL
559 if (state->config->pll_init) {
560 tda1004x_enable_tuner_i2c(state);
561 state->config->pll_init(fe);
562 tda1004x_disable_tuner_i2c(state);
563 }
564
565 // tda setup
566 tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer
567 tda1004x_write_mask(state, TDA1004X_AUTO, 8, 0); // select HP stream
568 tda1004x_write_mask(state, TDA1004X_CONFC1, 0x40, 0); // set polarity of VAGC signal
569 tda1004x_write_mask(state, TDA1004X_CONFC1, 0x80, 0x80); // enable pulse killer
570 tda1004x_write_mask(state, TDA1004X_AUTO, 0x10, 0x10); // enable auto offset
571 tda1004x_write_mask(state, TDA1004X_IN_CONF2, 0xC0, 0x0); // no frequency offset
572 tda1004x_write_byteI(state, TDA1004X_CONF_TS1, 0); // setup MPEG2 TS interface
573 tda1004x_write_byteI(state, TDA1004X_CONF_TS2, 0); // setup MPEG2 TS interface
574 tda1004x_write_mask(state, TDA1004X_VBER_MSB, 0xe0, 0xa0); // 10^6 VBER measurement bits
575 tda1004x_write_mask(state, TDA1004X_CONFC1, 0x10, 0); // VAGC polarity
576 tda1004x_write_byteI(state, TDA1004X_CONFADC1, 0x2e);
577
578 tda1004x_write_mask(state, 0x1f, 0x01, state->config->invert_oclk);
579
580 state->initialised = 1;
581 return 0;
582}
583
584static int tda10046_init(struct dvb_frontend* fe)
585{
586 struct tda1004x_state* state = fe->demodulator_priv;
587 dprintk("%s\n", __FUNCTION__);
588
7f5e02db
JS		 589 if (state->initialised)
590 return 0;
1da177e4
LT		 591
592 if (tda10046_fwupload(fe)) {
593 printk("tda1004x: firmware upload failed\n");
ecb60deb 594 return -EIO;
1da177e4
LT		 595 }
596
ecb60deb 597 // Init the tuner PLL
1da177e4
LT		 598 if (state->config->pll_init) {
599 tda1004x_enable_tuner_i2c(state);
600 state->config->pll_init(fe);
601 tda1004x_disable_tuner_i2c(state);
602 }
603
604 // tda setup
605 tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer
ecb60deb
HH		 606 tda1004x_write_byteI(state, TDA1004X_AUTO, 7); // select HP stream
607 tda1004x_write_byteI(state, TDA1004X_CONFC1, 8); // disable pulse killer
608
609 tda10046_init_plls(fe);
610 switch (state->config->agc_config) {
611 case TDA10046_AGC_DEFAULT:
612 tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x00); // AGC setup
613 tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities
614 break;
615 case TDA10046_AGC_IFO_AUTO_NEG:
616 tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x0a); // AGC setup
617 tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities
618 break;
f03cbea3
HH		 619 case TDA10046_AGC_IFO_AUTO_POS:
620 tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x0a); // AGC setup
621 tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x00); // set AGC polarities
622 break;
623 case TDA10046_AGC_TDA827X:
624 tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x02); // AGC setup
625 tda1004x_write_byteI(state, TDA10046H_AGC_THR, 0x70); // AGC Threshold
626 tda1004x_write_byteI(state, TDA10046H_AGC_RENORM, 0x0E); // Gain Renormalize
627 tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities
628 break;
ecb60deb
HH		 629 }
630 tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE1, 0x61); // Turn both AGC outputs on
1da177e4
LT		 631 tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MIN, 0); // }
632 tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MAX, 0xff); // } AGC min/max values
633 tda1004x_write_byteI(state, TDA10046H_AGC_IF_MIN, 0); // }
634 tda1004x_write_byteI(state, TDA10046H_AGC_IF_MAX, 0xff); // }
1da177e4 635 tda1004x_write_byteI(state, TDA10046H_AGC_GAINS, 1); // IF gain 2, TUN gain 1
ecb60deb 636 tda1004x_write_byteI(state, TDA10046H_CVBER_CTRL, 0x1a); // 10^6 VBER measurement bits
1da177e4 637 tda1004x_write_byteI(state, TDA1004X_CONF_TS1, 7); // MPEG2 interface config
ecb60deb
HH		 638 tda1004x_write_byteI(state, TDA1004X_CONF_TS2, 0xc0); // MPEG2 interface config
639 tda1004x_write_mask(state, 0x3a, 0x80, state->config->invert_oclk << 7);
640
1da177e4
LT		 641 tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE2, 0xe1); // tristate setup
642 tda1004x_write_byteI(state, TDA10046H_GPIO_OUT_SEL, 0xcc); // GPIO output config
ecb60deb 643 tda1004x_write_byteI(state, TDA10046H_GPIO_SELECT, 8); // GPIO select
1da177e4
LT		 644
645 state->initialised = 1;
646 return 0;
647}
648
649static int tda1004x_set_fe(struct dvb_frontend* fe,
650 struct dvb_frontend_parameters *fe_params)
651{
652 struct tda1004x_state* state = fe->demodulator_priv;
653 int tmp;
654 int inversion;
655
656 dprintk("%s\n", __FUNCTION__);
657
658 if (state->demod_type == TDA1004X_DEMOD_TDA10046) {
659 // setup auto offset
660 tda1004x_write_mask(state, TDA1004X_AUTO, 0x10, 0x10);
661 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x80, 0);
662 tda1004x_write_mask(state, TDA1004X_IN_CONF2, 0xC0, 0);
663
664 // disable agc_conf[2]
665 tda1004x_write_mask(state, TDA10046H_AGC_CONF, 4, 0);
666 }
667
668 // set frequency
669 tda1004x_enable_tuner_i2c(state);
670 state->config->pll_set(fe, fe_params);
671 tda1004x_disable_tuner_i2c(state);
672
1da177e4
LT		 673 // Hardcoded to use auto as much as possible on the TDA10045 as it
674 // is very unreliable if AUTO mode is _not_ used.
675 if (state->demod_type == TDA1004X_DEMOD_TDA10045) {
676 fe_params->u.ofdm.code_rate_HP = FEC_AUTO;
677 fe_params->u.ofdm.guard_interval = GUARD_INTERVAL_AUTO;
678 fe_params->u.ofdm.transmission_mode = TRANSMISSION_MODE_AUTO;
679 }
680
681 // Set standard params.. or put them to auto
682 if ((fe_params->u.ofdm.code_rate_HP == FEC_AUTO) ||
683 (fe_params->u.ofdm.code_rate_LP == FEC_AUTO) ||
684 (fe_params->u.ofdm.constellation == QAM_AUTO) ||
685 (fe_params->u.ofdm.hierarchy_information == HIERARCHY_AUTO)) {
686 tda1004x_write_mask(state, TDA1004X_AUTO, 1, 1); // enable auto
687 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x03, 0); // turn off constellation bits
688 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x60, 0); // turn off hierarchy bits
689 tda1004x_write_mask(state, TDA1004X_IN_CONF2, 0x3f, 0); // turn off FEC bits
690 } else {
691 tda1004x_write_mask(state, TDA1004X_AUTO, 1, 0); // disable auto
692
693 // set HP FEC
694 tmp = tda1004x_encode_fec(fe_params->u.ofdm.code_rate_HP);
7f5e02db
JS		 695 if (tmp < 0)
696 return tmp;
1da177e4
LT		 697 tda1004x_write_mask(state, TDA1004X_IN_CONF2, 7, tmp);
698
699 // set LP FEC
700 tmp = tda1004x_encode_fec(fe_params->u.ofdm.code_rate_LP);
7f5e02db
JS		 701 if (tmp < 0)
702 return tmp;
1da177e4
LT		 703 tda1004x_write_mask(state, TDA1004X_IN_CONF2, 0x38, tmp << 3);
704
705 // set constellation
706 switch (fe_params->u.ofdm.constellation) {
707 case QPSK:
708 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 3, 0);
709 break;
710
711 case QAM_16:
712 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 3, 1);
713 break;
714
715 case QAM_64:
716 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 3, 2);
717 break;
718
719 default:
720 return -EINVAL;
721 }
722
723 // set hierarchy
724 switch (fe_params->u.ofdm.hierarchy_information) {
725 case HIERARCHY_NONE:
726 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x60, 0 << 5);
727 break;
728
729 case HIERARCHY_1:
730 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x60, 1 << 5);
731 break;
732
733 case HIERARCHY_2:
734 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x60, 2 << 5);
735 break;
736
737 case HIERARCHY_4:
738 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x60, 3 << 5);
739 break;
740
741 default:
742 return -EINVAL;
743 }
744 }
745
746 // set bandwidth
7f5e02db 747 switch (state->demod_type) {
1da177e4
LT		 748 case TDA1004X_DEMOD_TDA10045:
749 tda10045h_set_bandwidth(state, fe_params->u.ofdm.bandwidth);
750 break;
751
752 case TDA1004X_DEMOD_TDA10046:
753 tda10046h_set_bandwidth(state, fe_params->u.ofdm.bandwidth);
754 break;
755 }
756
757 // set inversion
758 inversion = fe_params->inversion;
7f5e02db
JS		 759 if (state->config->invert)
760 inversion = inversion ? INVERSION_OFF : INVERSION_ON;
1da177e4
LT		 761 switch (inversion) {
762 case INVERSION_OFF:
763 tda1004x_write_mask(state, TDA1004X_CONFC1, 0x20, 0);
764 break;
765
766 case INVERSION_ON:
767 tda1004x_write_mask(state, TDA1004X_CONFC1, 0x20, 0x20);
768 break;
769
770 default:
771 return -EINVAL;
772 }
773
774 // set guard interval
775 switch (fe_params->u.ofdm.guard_interval) {
776 case GUARD_INTERVAL_1_32:
777 tda1004x_write_mask(state, TDA1004X_AUTO, 2, 0);
778 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x0c, 0 << 2);
779 break;
780
781 case GUARD_INTERVAL_1_16:
782 tda1004x_write_mask(state, TDA1004X_AUTO, 2, 0);
783 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x0c, 1 << 2);
784 break;
785
786 case GUARD_INTERVAL_1_8:
787 tda1004x_write_mask(state, TDA1004X_AUTO, 2, 0);
788 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x0c, 2 << 2);
789 break;
790
791 case GUARD_INTERVAL_1_4:
792 tda1004x_write_mask(state, TDA1004X_AUTO, 2, 0);
793 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x0c, 3 << 2);
794 break;
795
796 case GUARD_INTERVAL_AUTO:
797 tda1004x_write_mask(state, TDA1004X_AUTO, 2, 2);
798 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x0c, 0 << 2);
799 break;
800
801 default:
802 return -EINVAL;
803 }
804
805 // set transmission mode
806 switch (fe_params->u.ofdm.transmission_mode) {
807 case TRANSMISSION_MODE_2K:
808 tda1004x_write_mask(state, TDA1004X_AUTO, 4, 0);
809 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x10, 0 << 4);
810 break;
811
812 case TRANSMISSION_MODE_8K:
813 tda1004x_write_mask(state, TDA1004X_AUTO, 4, 0);
814 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x10, 1 << 4);
815 break;
816
817 case TRANSMISSION_MODE_AUTO:
818 tda1004x_write_mask(state, TDA1004X_AUTO, 4, 4);
819 tda1004x_write_mask(state, TDA1004X_IN_CONF1, 0x10, 0);
820 break;
821
822 default:
823 return -EINVAL;
824 }
825
826 // start the lock
7f5e02db 827 switch (state->demod_type) {
1da177e4
LT		 828 case TDA1004X_DEMOD_TDA10045:
829 tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8);
830 tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 0);
1da177e4
LT		 831 break;
832
833 case TDA1004X_DEMOD_TDA10046:
834 tda1004x_write_mask(state, TDA1004X_AUTO, 0x40, 0x40);
1da177e4
LT		 835 break;
836 }
837
7f5e02db
JS		 838 msleep(10);
839
1da177e4
LT		 840 return 0;
841}
842
843static int tda1004x_get_fe(struct dvb_frontend* fe, struct dvb_frontend_parameters *fe_params)
844{
845 struct tda1004x_state* state = fe->demodulator_priv;
846 dprintk("%s\n", __FUNCTION__);
847
848 // inversion status
849 fe_params->inversion = INVERSION_OFF;
7f5e02db 850 if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20)
1da177e4 851 fe_params->inversion = INVERSION_ON;
7f5e02db
JS		 852 if (state->config->invert)
853 fe_params->inversion = fe_params->inversion ? INVERSION_OFF : INVERSION_ON;
1da177e4
LT		 854
855 // bandwidth
7f5e02db 856 switch (state->demod_type) {
1da177e4
LT		 857 case TDA1004X_DEMOD_TDA10045:
858 switch (tda1004x_read_byte(state, TDA10045H_WREF_LSB)) {
859 case 0x14:
860 fe_params->u.ofdm.bandwidth = BANDWIDTH_8_MHZ;
861 break;
862 case 0xdb:
863 fe_params->u.ofdm.bandwidth = BANDWIDTH_7_MHZ;
864 break;
865 case 0x4f:
866 fe_params->u.ofdm.bandwidth = BANDWIDTH_6_MHZ;
867 break;
868 }
869 break;
870
871 case TDA1004X_DEMOD_TDA10046:
872 switch (tda1004x_read_byte(state, TDA10046H_TIME_WREF1)) {
873 case 0x60:
874 fe_params->u.ofdm.bandwidth = BANDWIDTH_8_MHZ;
875 break;
876 case 0x6e:
877 fe_params->u.ofdm.bandwidth = BANDWIDTH_7_MHZ;
878 break;
879 case 0x80:
880 fe_params->u.ofdm.bandwidth = BANDWIDTH_6_MHZ;
881 break;
882 }
883 break;
884 }
885
886 // FEC
887 fe_params->u.ofdm.code_rate_HP =
888 tda1004x_decode_fec(tda1004x_read_byte(state, TDA1004X_OUT_CONF2) & 7);
889 fe_params->u.ofdm.code_rate_LP =
890 tda1004x_decode_fec((tda1004x_read_byte(state, TDA1004X_OUT_CONF2) >> 3) & 7);
891
892 // constellation
893 switch (tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 3) {
894 case 0:
895 fe_params->u.ofdm.constellation = QPSK;
896 break;
897 case 1:
898 fe_params->u.ofdm.constellation = QAM_16;
899 break;
900 case 2:
901 fe_params->u.ofdm.constellation = QAM_64;
902 break;
903 }
904
905 // transmission mode
906 fe_params->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K;
7f5e02db 907 if (tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x10)
1da177e4 908 fe_params->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K;
1da177e4
LT		 909
910 // guard interval
911 switch ((tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x0c) >> 2) {
912 case 0:
913 fe_params->u.ofdm.guard_interval = GUARD_INTERVAL_1_32;
914 break;
915 case 1:
916 fe_params->u.ofdm.guard_interval = GUARD_INTERVAL_1_16;
917 break;
918 case 2:
919 fe_params->u.ofdm.guard_interval = GUARD_INTERVAL_1_8;
920 break;
921 case 3:
922 fe_params->u.ofdm.guard_interval = GUARD_INTERVAL_1_4;
923 break;
924 }
925
926 // hierarchy
927 switch ((tda1004x_read_byte(state, TDA1004X_OUT_CONF1) & 0x60) >> 5) {
928 case 0:
929 fe_params->u.ofdm.hierarchy_information = HIERARCHY_NONE;
930 break;
931 case 1:
932 fe_params->u.ofdm.hierarchy_information = HIERARCHY_1;
933 break;
934 case 2:
935 fe_params->u.ofdm.hierarchy_information = HIERARCHY_2;
936 break;
937 case 3:
938 fe_params->u.ofdm.hierarchy_information = HIERARCHY_4;
939 break;
940 }
941
942 return 0;
943}
944
945static int tda1004x_read_status(struct dvb_frontend* fe, fe_status_t * fe_status)
946{
947 struct tda1004x_state* state = fe->demodulator_priv;
948 int status;
949 int cber;
950 int vber;
951
952 dprintk("%s\n", __FUNCTION__);
953
954 // read status
955 status = tda1004x_read_byte(state, TDA1004X_STATUS_CD);
7f5e02db 956 if (status == -1)
1da177e4 957 return -EIO;
1da177e4
LT		 958
959 // decode
960 *fe_status = 0;
7f5e02db
JS		 961 if (status & 4)
962 *fe_status |= FE_HAS_SIGNAL;
963 if (status & 2)
964 *fe_status |= FE_HAS_CARRIER;
965 if (status & 8)
966 *fe_status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
1da177e4
LT		 967
968 // if we don't already have VITERBI (i.e. not LOCKED), see if the viterbi
969 // is getting anything valid
970 if (!(*fe_status & FE_HAS_VITERBI)) {
971 // read the CBER
972 cber = tda1004x_read_byte(state, TDA1004X_CBER_LSB);
7f5e02db
JS		 973 if (cber == -1)
974 return -EIO;
1da177e4 975 status = tda1004x_read_byte(state, TDA1004X_CBER_MSB);
7f5e02db
JS		 976 if (status == -1)
977 return -EIO;
1da177e4
LT		 978 cber |= (status << 8);
979 tda1004x_read_byte(state, TDA1004X_CBER_RESET);
980
7f5e02db 981 if (cber != 65535)
1da177e4 982 *fe_status |= FE_HAS_VITERBI;
1da177e4
LT		 983 }
984
985 // if we DO have some valid VITERBI output, but don't already have SYNC
986 // bytes (i.e. not LOCKED), see if the RS decoder is getting anything valid.
987 if ((*fe_status & FE_HAS_VITERBI) && (!(*fe_status & FE_HAS_SYNC))) {
988 // read the VBER
989 vber = tda1004x_read_byte(state, TDA1004X_VBER_LSB);
7f5e02db
JS		 990 if (vber == -1)
991 return -EIO;
1da177e4 992 status = tda1004x_read_byte(state, TDA1004X_VBER_MID);
7f5e02db
JS		 993 if (status == -1)
994 return -EIO;
1da177e4
LT		 995 vber |= (status << 8);
996 status = tda1004x_read_byte(state, TDA1004X_VBER_MSB);
7f5e02db
JS		 997 if (status == -1)
998 return -EIO;
1da177e4
LT		 999 vber |= ((status << 16) & 0x0f);
1000 tda1004x_read_byte(state, TDA1004X_CVBER_LUT);
1001
1002 // if RS has passed some valid TS packets, then we must be
1003 // getting some SYNC bytes
7f5e02db 1004 if (vber < 16632)
1da177e4 1005 *fe_status |= FE_HAS_SYNC;
1da177e4
LT		 1006 }
1007
1008 // success
1009 dprintk("%s: fe_status=0x%x\n", __FUNCTION__, *fe_status);
1010 return 0;
1011}
1012
1013static int tda1004x_read_signal_strength(struct dvb_frontend* fe, u16 * signal)
1014{
1015 struct tda1004x_state* state = fe->demodulator_priv;
1016 int tmp;
1017 int reg = 0;
1018
1019 dprintk("%s\n", __FUNCTION__);
1020
1021 // determine the register to use
7f5e02db 1022 switch (state->demod_type) {
1da177e4
LT		 1023 case TDA1004X_DEMOD_TDA10045:
1024 reg = TDA10045H_S_AGC;
1025 break;
1026
1027 case TDA1004X_DEMOD_TDA10046:
1028 reg = TDA10046H_AGC_IF_LEVEL;
1029 break;
1030 }
1031
1032 // read it
1033 tmp = tda1004x_read_byte(state, reg);
1034 if (tmp < 0)
1035 return -EIO;
1036
1037 *signal = (tmp << 8) | tmp;
1038 dprintk("%s: signal=0x%x\n", __FUNCTION__, *signal);
1039 return 0;
1040}
1041
1042static int tda1004x_read_snr(struct dvb_frontend* fe, u16 * snr)
1043{
1044 struct tda1004x_state* state = fe->demodulator_priv;
1045 int tmp;
1046
1047 dprintk("%s\n", __FUNCTION__);
1048
1049 // read it
1050 tmp = tda1004x_read_byte(state, TDA1004X_SNR);
1051 if (tmp < 0)
1052 return -EIO;
c2026b3a 1053 tmp = 255 - tmp;
1da177e4
LT		 1054
1055 *snr = ((tmp << 8) | tmp);
1056 dprintk("%s: snr=0x%x\n", __FUNCTION__, *snr);
1057 return 0;
1058}
1059
1060static int tda1004x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
1061{
1062 struct tda1004x_state* state = fe->demodulator_priv;
1063 int tmp;
1064 int tmp2;
1065 int counter;
1066
1067 dprintk("%s\n", __FUNCTION__);
1068
1069 // read the UCBLOCKS and reset
1070 counter = 0;
1071 tmp = tda1004x_read_byte(state, TDA1004X_UNCOR);
1072 if (tmp < 0)
1073 return -EIO;
1074 tmp &= 0x7f;
1075 while (counter++ < 5) {
1076 tda1004x_write_mask(state, TDA1004X_UNCOR, 0x80, 0);
1077 tda1004x_write_mask(state, TDA1004X_UNCOR, 0x80, 0);
1078 tda1004x_write_mask(state, TDA1004X_UNCOR, 0x80, 0);
1079
1080 tmp2 = tda1004x_read_byte(state, TDA1004X_UNCOR);
1081 if (tmp2 < 0)
1082 return -EIO;
1083 tmp2 &= 0x7f;
1084 if ((tmp2 < tmp) || (tmp2 == 0))
1085 break;
1086 }
1087
7f5e02db 1088 if (tmp != 0x7f)
1da177e4 1089 *ucblocks = tmp;
7f5e02db 1090 else
1da177e4 1091 *ucblocks = 0xffffffff;
7f5e02db 1092
1da177e4
LT		 1093 dprintk("%s: ucblocks=0x%x\n", __FUNCTION__, *ucblocks);
1094 return 0;
1095}
1096
1097static int tda1004x_read_ber(struct dvb_frontend* fe, u32* ber)
1098{
1099 struct tda1004x_state* state = fe->demodulator_priv;
1100 int tmp;
1101
1102 dprintk("%s\n", __FUNCTION__);
1103
1104 // read it in
1105 tmp = tda1004x_read_byte(state, TDA1004X_CBER_LSB);
7f5e02db
JS		 1106 if (tmp < 0)
1107 return -EIO;
1da177e4
LT		 1108 *ber = tmp << 1;
1109 tmp = tda1004x_read_byte(state, TDA1004X_CBER_MSB);
7f5e02db
JS		 1110 if (tmp < 0)
1111 return -EIO;
1da177e4
LT		 1112 *ber |= (tmp << 9);
1113 tda1004x_read_byte(state, TDA1004X_CBER_RESET);
1114
1115 dprintk("%s: ber=0x%x\n", __FUNCTION__, *ber);
1116 return 0;
1117}
1118
1119static int tda1004x_sleep(struct dvb_frontend* fe)
1120{
1121 struct tda1004x_state* state = fe->demodulator_priv;
1122
7f5e02db 1123 switch (state->demod_type) {
1da177e4
LT		 1124 case TDA1004X_DEMOD_TDA10045:
1125 tda1004x_write_mask(state, TDA1004X_CONFADC1, 0x10, 0x10);
1126 break;
1127
1128 case TDA1004X_DEMOD_TDA10046:
f03cbea3
HH		 1129 if (state->config->pll_sleep != NULL) {
1130 tda1004x_enable_tuner_i2c(state);
ecb60deb 1131 state->config->pll_sleep(fe);
f03cbea3
HH		 1132 tda1004x_disable_tuner_i2c(state);
1133 }
1134 tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1);
1da177e4
LT		 1135 break;
1136 }
1137 state->initialised = 0;
1138
1139 return 0;
1140}
1141
1142static int tda1004x_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
1143{
1144 fesettings->min_delay_ms = 800;
f03cbea3
HH		 1145 /* Drift compensation makes no sense for DVB-T */
1146 fesettings->step_size = 0;
1147 fesettings->max_drift = 0;
1da177e4
LT		 1148 return 0;
1149}
1150
1151static void tda1004x_release(struct dvb_frontend* fe)
1152{
7f5e02db 1153 struct tda1004x_state *state = fe->demodulator_priv;
1da177e4
LT		 1154 kfree(state);
1155}
1156
1da177e4 1157static struct dvb_frontend_ops tda10045_ops = {
1da177e4
LT		 1158 .info = {
1159 .name = "Philips TDA10045H DVB-T",
1160 .type = FE_OFDM,
1161 .frequency_min = 51000000,
1162 .frequency_max = 858000000,
1163 .frequency_stepsize = 166667,
1164 .caps =
1165 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
1166 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
1167 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
1168 FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1169 },
1170
1171 .release = tda1004x_release,
1172
1173 .init = tda10045_init,
1174 .sleep = tda1004x_sleep,
1175
1176 .set_frontend = tda1004x_set_fe,
1177 .get_frontend = tda1004x_get_fe,
1178 .get_tune_settings = tda1004x_get_tune_settings,
1179
1180 .read_status = tda1004x_read_status,
1181 .read_ber = tda1004x_read_ber,
1182 .read_signal_strength = tda1004x_read_signal_strength,
1183 .read_snr = tda1004x_read_snr,
1184 .read_ucblocks = tda1004x_read_ucblocks,
1185};
1186
7f5e02db
JS		 1187struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
1188 struct i2c_adapter* i2c)
1189{
1190 struct tda1004x_state *state;
1191
1192 /* allocate memory for the internal state */
1193 state = kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
1194 if (!state)
1195 return NULL;
1196
1197 /* setup the state */
1198 state->config = config;
1199 state->i2c = i2c;
1200 memcpy(&state->ops, &tda10045_ops, sizeof(struct dvb_frontend_ops));
1201 state->initialised = 0;
1202 state->demod_type = TDA1004X_DEMOD_TDA10045;
1203
1204 /* check if the demod is there */
1205 if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x25) {
1206 kfree(state);
1207 return NULL;
1208 }
1209
1210 /* create dvb_frontend */
1211 state->frontend.ops = &state->ops;
1212 state->frontend.demodulator_priv = state;
1213 return &state->frontend;
1214}
1da177e4 1215
7f5e02db 1216static struct dvb_frontend_ops tda10046_ops = {
1da177e4
LT		 1217 .info = {
1218 .name = "Philips TDA10046H DVB-T",
1219 .type = FE_OFDM,
1220 .frequency_min = 51000000,
1221 .frequency_max = 858000000,
1222 .frequency_stepsize = 166667,
1223 .caps =
1224 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
1225 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
1226 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
1227 FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO
1228 },
1229
1230 .release = tda1004x_release,
1231
1232 .init = tda10046_init,
1233 .sleep = tda1004x_sleep,
1234
1235 .set_frontend = tda1004x_set_fe,
1236 .get_frontend = tda1004x_get_fe,
1237 .get_tune_settings = tda1004x_get_tune_settings,
1238
1239 .read_status = tda1004x_read_status,
1240 .read_ber = tda1004x_read_ber,
1241 .read_signal_strength = tda1004x_read_signal_strength,
1242 .read_snr = tda1004x_read_snr,
1243 .read_ucblocks = tda1004x_read_ucblocks,
1244};
1245
7f5e02db
JS		 1246struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
1247 struct i2c_adapter* i2c)
1248{
1249 struct tda1004x_state *state;
1250
1251 /* allocate memory for the internal state */
1252 state = kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
1253 if (!state)
1254 return NULL;
1255
1256 /* setup the state */
1257 state->config = config;
1258 state->i2c = i2c;
1259 memcpy(&state->ops, &tda10046_ops, sizeof(struct dvb_frontend_ops));
1260 state->initialised = 0;
1261 state->demod_type = TDA1004X_DEMOD_TDA10046;
1262
1263 /* check if the demod is there */
1264 if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) {
1265 kfree(state);
1266 return NULL;
1267 }
1268
1269 /* create dvb_frontend */
1270 state->frontend.ops = &state->ops;
1271 state->frontend.demodulator_priv = state;
1272 return &state->frontend;
1273}
1274
1da177e4
LT		 1275module_param(debug, int, 0644);
1276MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
1277
1278MODULE_DESCRIPTION("Philips TDA10045H & TDA10046H DVB-T Demodulator");
1279MODULE_AUTHOR("Andrew de Quincey & Robert Schlabbach");
1280MODULE_LICENSE("GPL");
1281
1282EXPORT_SYMBOL(tda10045_attach);
1283EXPORT_SYMBOL(tda10046_attach);
1284EXPORT_SYMBOL(tda1004x_write_byte);
Linux kernel - Deliverables
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