2 Driver for Philips tda1004xh OFDM Demodulator
4 (c) 2003, 2004 Andrew de Quincey & Robert Schlabbach
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.
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
15 GNU General Public License for more details.
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.
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.
28 #define TDA10045_DEFAULT_FIRMWARE "dvb-fe-tda10045.fw"
29 #define TDA10046_DEFAULT_FIRMWARE "dvb-fe-tda10046.fw"
31 #include <linux/init.h>
32 #include <linux/module.h>
33 #include <linux/moduleparam.h>
34 #include <linux/device.h>
35 #include <linux/jiffies.h>
36 #include <linux/string.h>
37 #include <linux/slab.h>
39 #include "dvb_frontend.h"
43 TDA1004X_DEMOD_TDA10045
,
44 TDA1004X_DEMOD_TDA10046
,
47 struct tda1004x_state
{
48 struct i2c_adapter
* i2c
;
49 struct dvb_frontend_ops ops
;
50 const struct tda1004x_config
* config
;
51 struct dvb_frontend frontend
;
53 /* private demod data */
55 enum tda1004x_demod demod_type
;
59 #define dprintk(args...) \
61 if (debug) printk(KERN_DEBUG "tda1004x: " args); \
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
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
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
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
118 #define TDA10045H_IOFFSET 0x38
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
127 #define TDA10046H_AGC_THR 0x44
128 #define TDA10046H_AGC_RENORM 0x45
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
135 #define TDA10046H_FREQ_PHY2_MSB 0x4D
136 #define TDA10046H_FREQ_PHY2_LSB 0x4E
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
144 static int tda1004x_write_byteI(struct tda1004x_state
*state
, int reg
, int data
)
147 u8 buf
[] = { reg
, data
};
148 struct i2c_msg msg
= { .flags
= 0, .buf
= buf
, .len
= 2 };
150 dprintk("%s: reg=0x%x, data=0x%x\n", __FUNCTION__
, reg
, data
);
152 msg
.addr
= state
->config
->demod_address
;
153 ret
= i2c_transfer(state
->i2c
, &msg
, 1);
156 dprintk("%s: error reg=0x%x, data=0x%x, ret=%i\n",
157 __FUNCTION__
, reg
, data
, ret
);
159 dprintk("%s: success reg=0x%x, data=0x%x, ret=%i\n", __FUNCTION__
,
161 return (ret
!= 1) ? -1 : 0;
164 static int tda1004x_read_byte(struct tda1004x_state
*state
, int reg
)
169 struct i2c_msg msg
[] = {{ .flags
= 0, .buf
= b0
, .len
= 1 },
170 { .flags
= I2C_M_RD
, .buf
= b1
, .len
= 1 }};
172 dprintk("%s: reg=0x%x\n", __FUNCTION__
, reg
);
174 msg
[0].addr
= state
->config
->demod_address
;
175 msg
[1].addr
= state
->config
->demod_address
;
176 ret
= i2c_transfer(state
->i2c
, msg
, 2);
179 dprintk("%s: error reg=0x%x, ret=%i\n", __FUNCTION__
, reg
,
184 dprintk("%s: success reg=0x%x, data=0x%x, ret=%i\n", __FUNCTION__
,
189 static int tda1004x_write_mask(struct tda1004x_state
*state
, int reg
, int mask
, int data
)
192 dprintk("%s: reg=0x%x, mask=0x%x, data=0x%x\n", __FUNCTION__
, reg
,
195 // read a byte and check
196 val
= tda1004x_read_byte(state
, reg
);
204 // write it out again
205 return tda1004x_write_byteI(state
, reg
, val
);
208 static int tda1004x_write_buf(struct tda1004x_state
*state
, int reg
, unsigned char *buf
, int len
)
213 dprintk("%s: reg=0x%x, len=0x%x\n", __FUNCTION__
, reg
, len
);
216 for (i
= 0; i
< len
; i
++) {
217 result
= tda1004x_write_byteI(state
, reg
+ i
, buf
[i
]);
225 static int tda1004x_enable_tuner_i2c(struct tda1004x_state
*state
)
228 dprintk("%s\n", __FUNCTION__
);
230 result
= tda1004x_write_mask(state
, TDA1004X_CONFC4
, 2, 2);
235 static int tda1004x_disable_tuner_i2c(struct tda1004x_state
*state
)
237 dprintk("%s\n", __FUNCTION__
);
239 return tda1004x_write_mask(state
, TDA1004X_CONFC4
, 2, 0);
242 static int tda10045h_set_bandwidth(struct tda1004x_state
*state
,
243 fe_bandwidth_t bandwidth
)
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 };
250 case BANDWIDTH_6_MHZ
:
251 tda1004x_write_buf(state
, TDA10045H_CONFPLL_P
, bandwidth_6mhz
, sizeof(bandwidth_6mhz
));
254 case BANDWIDTH_7_MHZ
:
255 tda1004x_write_buf(state
, TDA10045H_CONFPLL_P
, bandwidth_7mhz
, sizeof(bandwidth_7mhz
));
258 case BANDWIDTH_8_MHZ
:
259 tda1004x_write_buf(state
, TDA10045H_CONFPLL_P
, bandwidth_8mhz
, sizeof(bandwidth_8mhz
));
266 tda1004x_write_byteI(state
, TDA10045H_IOFFSET
, 0);
271 static int tda10046h_set_bandwidth(struct tda1004x_state
*state
,
272 fe_bandwidth_t bandwidth
)
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 };
279 case BANDWIDTH_6_MHZ
:
280 tda1004x_write_buf(state
, TDA10046H_TIME_WREF1
, bandwidth_6mhz
, sizeof(bandwidth_6mhz
));
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);
287 case BANDWIDTH_7_MHZ
:
288 tda1004x_write_buf(state
, TDA10046H_TIME_WREF1
, bandwidth_7mhz
, sizeof(bandwidth_7mhz
));
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);
295 case BANDWIDTH_8_MHZ
:
296 tda1004x_write_buf(state
, TDA10046H_TIME_WREF1
, bandwidth_8mhz
, sizeof(bandwidth_8mhz
));
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);
310 static int tda1004x_do_upload(struct tda1004x_state
*state
,
311 unsigned char *mem
, unsigned int len
,
312 u8 dspCodeCounterReg
, u8 dspCodeInReg
)
315 struct i2c_msg fw_msg
= { .flags
= 0, .buf
= buf
, .len
= 0 };
319 /* clear code counter */
320 tda1004x_write_byteI(state
, dspCodeCounterReg
, 0);
321 fw_msg
.addr
= state
->config
->demod_address
;
323 buf
[0] = dspCodeInReg
;
325 // work out how much to send this time
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) {
334 printk(KERN_ERR
"tda1004x: Error during firmware upload\n");
339 dprintk("%s: fw_pos=0x%x\n", __FUNCTION__
, pos
);
341 // give the DSP a chance to settle 03/10/05 Hac
347 static int tda1004x_check_upload_ok(struct tda1004x_state
*state
)
350 unsigned long timeout
;
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");
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);
368 data1
= tda1004x_read_byte(state
, TDA1004X_DSP_DATA1
);
369 data2
= tda1004x_read_byte(state
, TDA1004X_DSP_DATA2
);
370 if (data1
!= 0x67 || data2
< 0x20 || data2
> 0x2e) {
371 printk(KERN_INFO
"tda1004x: found firmware revision %x -- invalid\n", data2
);
374 printk(KERN_INFO
"tda1004x: found firmware revision %x -- ok\n", data2
);
378 static int tda10045_fwupload(struct dvb_frontend
* fe
)
380 struct tda1004x_state
* state
= fe
->demodulator_priv
;
382 const struct firmware
*fw
;
384 /* don't re-upload unless necessary */
385 if (tda1004x_check_upload_ok(state
) == 0)
388 /* request the firmware, this will block until someone uploads it */
389 printk(KERN_INFO
"tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE
);
390 ret
= state
->config
->request_firmware(fe
, &fw
, TDA10045_DEFAULT_FIRMWARE
);
392 printk(KERN_ERR
"tda1004x: no firmware upload (timeout or file not found?)\n");
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);
403 tda10045h_set_bandwidth(state
, BANDWIDTH_8_MHZ
);
405 ret
= tda1004x_do_upload(state
, fw
->data
, fw
->size
, TDA10045H_FWPAGE
, TDA10045H_CODE_IN
);
406 release_firmware(fw
);
409 printk(KERN_INFO
"tda1004x: firmware upload complete\n");
411 /* wait for DSP to initialise */
412 /* DSPREADY doesn't seem to work on the TDA10045H */
415 return tda1004x_check_upload_ok(state
);
418 static void tda10046_init_plls(struct dvb_frontend
* fe
)
420 struct tda1004x_state
* state
= fe
->demodulator_priv
;
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
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
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);
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);
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);
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);
450 tda10046h_set_bandwidth(state
, BANDWIDTH_8_MHZ
); // default bandwidth 8 MHz
453 static int tda10046_fwupload(struct dvb_frontend
* fe
)
455 struct tda1004x_state
* state
= fe
->demodulator_priv
;
457 const struct firmware
*fw
;
459 /* reset + wake up chip */
460 tda1004x_write_byteI(state
, TDA1004X_CONFC4
, 0);
461 tda1004x_write_mask(state
, TDA10046H_CONF_TRISTATE1
, 1, 0);
462 /* let the clocks recover from sleep */
465 /* don't re-upload unless necessary */
466 if (tda1004x_check_upload_ok(state
) == 0)
470 tda10046_init_plls(fe
);
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
);
477 printk(KERN_ERR
"tda1004x: no firmware upload (timeout or file not found?)\n");
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
);
482 release_firmware(fw
);
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);
492 return tda1004x_check_upload_ok(state
);
495 static int tda1004x_encode_fec(int fec
)
497 // convert known FEC values
515 static int tda1004x_decode_fec(int tdafec
)
517 // convert known FEC values
535 int tda1004x_write_byte(struct dvb_frontend
* fe
, int reg
, int data
)
537 struct tda1004x_state
* state
= fe
->demodulator_priv
;
539 return tda1004x_write_byteI(state
, reg
, data
);
542 static int tda10045_init(struct dvb_frontend
* fe
)
544 struct tda1004x_state
* state
= fe
->demodulator_priv
;
546 dprintk("%s\n", __FUNCTION__
);
548 if (state
->initialised
)
551 if (tda10045_fwupload(fe
)) {
552 printk("tda1004x: firmware upload failed\n");
556 tda1004x_write_mask(state
, TDA1004X_CONFADC1
, 0x10, 0); // wake up the ADC
559 if (state
->config
->pll_init
) {
560 tda1004x_enable_tuner_i2c(state
);
561 state
->config
->pll_init(fe
);
562 tda1004x_disable_tuner_i2c(state
);
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);
578 tda1004x_write_mask(state
, 0x1f, 0x01, state
->config
->invert_oclk
);
580 state
->initialised
= 1;
584 static int tda10046_init(struct dvb_frontend
* fe
)
586 struct tda1004x_state
* state
= fe
->demodulator_priv
;
587 dprintk("%s\n", __FUNCTION__
);
589 if (state
->initialised
)
592 if (tda10046_fwupload(fe
)) {
593 printk("tda1004x: firmware upload failed\n");
597 // Init the tuner PLL
598 if (state
->config
->pll_init
) {
599 tda1004x_enable_tuner_i2c(state
);
600 state
->config
->pll_init(fe
);
601 tda1004x_disable_tuner_i2c(state
);
605 tda1004x_write_mask(state
, TDA1004X_CONFC4
, 0x20, 0); // disable DSP watchdog timer
606 tda1004x_write_byteI(state
, TDA1004X_AUTO
, 7); // select HP stream
607 tda1004x_write_byteI(state
, TDA1004X_CONFC1
, 8); // disable pulse killer
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
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
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
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
630 tda1004x_write_byteI(state
, TDA10046H_CONF_TRISTATE1
, 0x61); // Turn both AGC outputs on
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); // }
635 tda1004x_write_byteI(state
, TDA10046H_AGC_GAINS
, 1); // IF gain 2, TUN gain 1
636 tda1004x_write_byteI(state
, TDA10046H_CVBER_CTRL
, 0x1a); // 10^6 VBER measurement bits
637 tda1004x_write_byteI(state
, TDA1004X_CONF_TS1
, 7); // MPEG2 interface config
638 tda1004x_write_byteI(state
, TDA1004X_CONF_TS2
, 0xc0); // MPEG2 interface config
639 tda1004x_write_mask(state
, 0x3a, 0x80, state
->config
->invert_oclk
<< 7);
641 tda1004x_write_byteI(state
, TDA10046H_CONF_TRISTATE2
, 0xe1); // tristate setup
642 tda1004x_write_byteI(state
, TDA10046H_GPIO_OUT_SEL
, 0xcc); // GPIO output config
643 tda1004x_write_byteI(state
, TDA10046H_GPIO_SELECT
, 8); // GPIO select
645 state
->initialised
= 1;
649 static int tda1004x_set_fe(struct dvb_frontend
* fe
,
650 struct dvb_frontend_parameters
*fe_params
)
652 struct tda1004x_state
* state
= fe
->demodulator_priv
;
656 dprintk("%s\n", __FUNCTION__
);
658 if (state
->demod_type
== TDA1004X_DEMOD_TDA10046
) {
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);
664 // disable agc_conf[2]
665 tda1004x_write_mask(state
, TDA10046H_AGC_CONF
, 4, 0);
669 tda1004x_enable_tuner_i2c(state
);
670 state
->config
->pll_set(fe
, fe_params
);
671 tda1004x_disable_tuner_i2c(state
);
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
;
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
691 tda1004x_write_mask(state
, TDA1004X_AUTO
, 1, 0); // disable auto
694 tmp
= tda1004x_encode_fec(fe_params
->u
.ofdm
.code_rate_HP
);
697 tda1004x_write_mask(state
, TDA1004X_IN_CONF2
, 7, tmp
);
700 tmp
= tda1004x_encode_fec(fe_params
->u
.ofdm
.code_rate_LP
);
703 tda1004x_write_mask(state
, TDA1004X_IN_CONF2
, 0x38, tmp
<< 3);
706 switch (fe_params
->u
.ofdm
.constellation
) {
708 tda1004x_write_mask(state
, TDA1004X_IN_CONF1
, 3, 0);
712 tda1004x_write_mask(state
, TDA1004X_IN_CONF1
, 3, 1);
716 tda1004x_write_mask(state
, TDA1004X_IN_CONF1
, 3, 2);
724 switch (fe_params
->u
.ofdm
.hierarchy_information
) {
726 tda1004x_write_mask(state
, TDA1004X_IN_CONF1
, 0x60, 0 << 5);
730 tda1004x_write_mask(state
, TDA1004X_IN_CONF1
, 0x60, 1 << 5);
734 tda1004x_write_mask(state
, TDA1004X_IN_CONF1
, 0x60, 2 << 5);
738 tda1004x_write_mask(state
, TDA1004X_IN_CONF1
, 0x60, 3 << 5);
747 switch (state
->demod_type
) {
748 case TDA1004X_DEMOD_TDA10045
:
749 tda10045h_set_bandwidth(state
, fe_params
->u
.ofdm
.bandwidth
);
752 case TDA1004X_DEMOD_TDA10046
:
753 tda10046h_set_bandwidth(state
, fe_params
->u
.ofdm
.bandwidth
);
758 inversion
= fe_params
->inversion
;
759 if (state
->config
->invert
)
760 inversion
= inversion
? INVERSION_OFF
: INVERSION_ON
;
763 tda1004x_write_mask(state
, TDA1004X_CONFC1
, 0x20, 0);
767 tda1004x_write_mask(state
, TDA1004X_CONFC1
, 0x20, 0x20);
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);
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);
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);
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);
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);
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);
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);
817 case TRANSMISSION_MODE_AUTO
:
818 tda1004x_write_mask(state
, TDA1004X_AUTO
, 4, 4);
819 tda1004x_write_mask(state
, TDA1004X_IN_CONF1
, 0x10, 0);
827 switch (state
->demod_type
) {
828 case TDA1004X_DEMOD_TDA10045
:
829 tda1004x_write_mask(state
, TDA1004X_CONFC4
, 8, 8);
830 tda1004x_write_mask(state
, TDA1004X_CONFC4
, 8, 0);
833 case TDA1004X_DEMOD_TDA10046
:
834 tda1004x_write_mask(state
, TDA1004X_AUTO
, 0x40, 0x40);
843 static int tda1004x_get_fe(struct dvb_frontend
* fe
, struct dvb_frontend_parameters
*fe_params
)
845 struct tda1004x_state
* state
= fe
->demodulator_priv
;
846 dprintk("%s\n", __FUNCTION__
);
849 fe_params
->inversion
= INVERSION_OFF
;
850 if (tda1004x_read_byte(state
, TDA1004X_CONFC1
) & 0x20)
851 fe_params
->inversion
= INVERSION_ON
;
852 if (state
->config
->invert
)
853 fe_params
->inversion
= fe_params
->inversion
? INVERSION_OFF
: INVERSION_ON
;
856 switch (state
->demod_type
) {
857 case TDA1004X_DEMOD_TDA10045
:
858 switch (tda1004x_read_byte(state
, TDA10045H_WREF_LSB
)) {
860 fe_params
->u
.ofdm
.bandwidth
= BANDWIDTH_8_MHZ
;
863 fe_params
->u
.ofdm
.bandwidth
= BANDWIDTH_7_MHZ
;
866 fe_params
->u
.ofdm
.bandwidth
= BANDWIDTH_6_MHZ
;
871 case TDA1004X_DEMOD_TDA10046
:
872 switch (tda1004x_read_byte(state
, TDA10046H_TIME_WREF1
)) {
874 fe_params
->u
.ofdm
.bandwidth
= BANDWIDTH_8_MHZ
;
877 fe_params
->u
.ofdm
.bandwidth
= BANDWIDTH_7_MHZ
;
880 fe_params
->u
.ofdm
.bandwidth
= BANDWIDTH_6_MHZ
;
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);
893 switch (tda1004x_read_byte(state
, TDA1004X_OUT_CONF1
) & 3) {
895 fe_params
->u
.ofdm
.constellation
= QPSK
;
898 fe_params
->u
.ofdm
.constellation
= QAM_16
;
901 fe_params
->u
.ofdm
.constellation
= QAM_64
;
906 fe_params
->u
.ofdm
.transmission_mode
= TRANSMISSION_MODE_2K
;
907 if (tda1004x_read_byte(state
, TDA1004X_OUT_CONF1
) & 0x10)
908 fe_params
->u
.ofdm
.transmission_mode
= TRANSMISSION_MODE_8K
;
911 switch ((tda1004x_read_byte(state
, TDA1004X_OUT_CONF1
) & 0x0c) >> 2) {
913 fe_params
->u
.ofdm
.guard_interval
= GUARD_INTERVAL_1_32
;
916 fe_params
->u
.ofdm
.guard_interval
= GUARD_INTERVAL_1_16
;
919 fe_params
->u
.ofdm
.guard_interval
= GUARD_INTERVAL_1_8
;
922 fe_params
->u
.ofdm
.guard_interval
= GUARD_INTERVAL_1_4
;
927 switch ((tda1004x_read_byte(state
, TDA1004X_OUT_CONF1
) & 0x60) >> 5) {
929 fe_params
->u
.ofdm
.hierarchy_information
= HIERARCHY_NONE
;
932 fe_params
->u
.ofdm
.hierarchy_information
= HIERARCHY_1
;
935 fe_params
->u
.ofdm
.hierarchy_information
= HIERARCHY_2
;
938 fe_params
->u
.ofdm
.hierarchy_information
= HIERARCHY_4
;
945 static int tda1004x_read_status(struct dvb_frontend
* fe
, fe_status_t
* fe_status
)
947 struct tda1004x_state
* state
= fe
->demodulator_priv
;
952 dprintk("%s\n", __FUNCTION__
);
955 status
= tda1004x_read_byte(state
, TDA1004X_STATUS_CD
);
962 *fe_status
|= FE_HAS_SIGNAL
;
964 *fe_status
|= FE_HAS_CARRIER
;
966 *fe_status
|= FE_HAS_VITERBI
| FE_HAS_SYNC
| FE_HAS_LOCK
;
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
)) {
972 cber
= tda1004x_read_byte(state
, TDA1004X_CBER_LSB
);
975 status
= tda1004x_read_byte(state
, TDA1004X_CBER_MSB
);
978 cber
|= (status
<< 8);
979 tda1004x_read_byte(state
, TDA1004X_CBER_RESET
);
982 *fe_status
|= FE_HAS_VITERBI
;
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
))) {
989 vber
= tda1004x_read_byte(state
, TDA1004X_VBER_LSB
);
992 status
= tda1004x_read_byte(state
, TDA1004X_VBER_MID
);
995 vber
|= (status
<< 8);
996 status
= tda1004x_read_byte(state
, TDA1004X_VBER_MSB
);
999 vber
|= ((status
<< 16) & 0x0f);
1000 tda1004x_read_byte(state
, TDA1004X_CVBER_LUT
);
1002 // if RS has passed some valid TS packets, then we must be
1003 // getting some SYNC bytes
1005 *fe_status
|= FE_HAS_SYNC
;
1009 dprintk("%s: fe_status=0x%x\n", __FUNCTION__
, *fe_status
);
1013 static int tda1004x_read_signal_strength(struct dvb_frontend
* fe
, u16
* signal
)
1015 struct tda1004x_state
* state
= fe
->demodulator_priv
;
1019 dprintk("%s\n", __FUNCTION__
);
1021 // determine the register to use
1022 switch (state
->demod_type
) {
1023 case TDA1004X_DEMOD_TDA10045
:
1024 reg
= TDA10045H_S_AGC
;
1027 case TDA1004X_DEMOD_TDA10046
:
1028 reg
= TDA10046H_AGC_IF_LEVEL
;
1033 tmp
= tda1004x_read_byte(state
, reg
);
1037 *signal
= (tmp
<< 8) | tmp
;
1038 dprintk("%s: signal=0x%x\n", __FUNCTION__
, *signal
);
1042 static int tda1004x_read_snr(struct dvb_frontend
* fe
, u16
* snr
)
1044 struct tda1004x_state
* state
= fe
->demodulator_priv
;
1047 dprintk("%s\n", __FUNCTION__
);
1050 tmp
= tda1004x_read_byte(state
, TDA1004X_SNR
);
1055 *snr
= ((tmp
<< 8) | tmp
);
1056 dprintk("%s: snr=0x%x\n", __FUNCTION__
, *snr
);
1060 static int tda1004x_read_ucblocks(struct dvb_frontend
* fe
, u32
* ucblocks
)
1062 struct tda1004x_state
* state
= fe
->demodulator_priv
;
1067 dprintk("%s\n", __FUNCTION__
);
1069 // read the UCBLOCKS and reset
1071 tmp
= tda1004x_read_byte(state
, TDA1004X_UNCOR
);
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);
1080 tmp2
= tda1004x_read_byte(state
, TDA1004X_UNCOR
);
1084 if ((tmp2
< tmp
) || (tmp2
== 0))
1091 *ucblocks
= 0xffffffff;
1093 dprintk("%s: ucblocks=0x%x\n", __FUNCTION__
, *ucblocks
);
1097 static int tda1004x_read_ber(struct dvb_frontend
* fe
, u32
* ber
)
1099 struct tda1004x_state
* state
= fe
->demodulator_priv
;
1102 dprintk("%s\n", __FUNCTION__
);
1105 tmp
= tda1004x_read_byte(state
, TDA1004X_CBER_LSB
);
1109 tmp
= tda1004x_read_byte(state
, TDA1004X_CBER_MSB
);
1113 tda1004x_read_byte(state
, TDA1004X_CBER_RESET
);
1115 dprintk("%s: ber=0x%x\n", __FUNCTION__
, *ber
);
1119 static int tda1004x_sleep(struct dvb_frontend
* fe
)
1121 struct tda1004x_state
* state
= fe
->demodulator_priv
;
1123 switch (state
->demod_type
) {
1124 case TDA1004X_DEMOD_TDA10045
:
1125 tda1004x_write_mask(state
, TDA1004X_CONFADC1
, 0x10, 0x10);
1128 case TDA1004X_DEMOD_TDA10046
:
1129 if (state
->config
->pll_sleep
!= NULL
) {
1130 tda1004x_enable_tuner_i2c(state
);
1131 state
->config
->pll_sleep(fe
);
1132 tda1004x_disable_tuner_i2c(state
);
1134 tda1004x_write_mask(state
, TDA1004X_CONFC4
, 1, 1);
1137 state
->initialised
= 0;
1142 static int tda1004x_get_tune_settings(struct dvb_frontend
* fe
, struct dvb_frontend_tune_settings
* fesettings
)
1144 fesettings
->min_delay_ms
= 800;
1145 /* Drift compensation makes no sense for DVB-T */
1146 fesettings
->step_size
= 0;
1147 fesettings
->max_drift
= 0;
1151 static void tda1004x_release(struct dvb_frontend
* fe
)
1153 struct tda1004x_state
*state
= fe
->demodulator_priv
;
1157 static struct dvb_frontend_ops tda10045_ops
= {
1159 .name
= "Philips TDA10045H DVB-T",
1161 .frequency_min
= 51000000,
1162 .frequency_max
= 858000000,
1163 .frequency_stepsize
= 166667,
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
1171 .release
= tda1004x_release
,
1173 .init
= tda10045_init
,
1174 .sleep
= tda1004x_sleep
,
1176 .set_frontend
= tda1004x_set_fe
,
1177 .get_frontend
= tda1004x_get_fe
,
1178 .get_tune_settings
= tda1004x_get_tune_settings
,
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
,
1187 struct dvb_frontend
* tda10045_attach(const struct tda1004x_config
* config
,
1188 struct i2c_adapter
* i2c
)
1190 struct tda1004x_state
*state
;
1192 /* allocate memory for the internal state */
1193 state
= kmalloc(sizeof(struct tda1004x_state
), GFP_KERNEL
);
1197 /* setup the state */
1198 state
->config
= config
;
1200 memcpy(&state
->ops
, &tda10045_ops
, sizeof(struct dvb_frontend_ops
));
1201 state
->initialised
= 0;
1202 state
->demod_type
= TDA1004X_DEMOD_TDA10045
;
1204 /* check if the demod is there */
1205 if (tda1004x_read_byte(state
, TDA1004X_CHIPID
) != 0x25) {
1210 /* create dvb_frontend */
1211 state
->frontend
.ops
= &state
->ops
;
1212 state
->frontend
.demodulator_priv
= state
;
1213 return &state
->frontend
;
1216 static struct dvb_frontend_ops tda10046_ops
= {
1218 .name
= "Philips TDA10046H DVB-T",
1220 .frequency_min
= 51000000,
1221 .frequency_max
= 858000000,
1222 .frequency_stepsize
= 166667,
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
1230 .release
= tda1004x_release
,
1232 .init
= tda10046_init
,
1233 .sleep
= tda1004x_sleep
,
1235 .set_frontend
= tda1004x_set_fe
,
1236 .get_frontend
= tda1004x_get_fe
,
1237 .get_tune_settings
= tda1004x_get_tune_settings
,
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
,
1246 struct dvb_frontend
* tda10046_attach(const struct tda1004x_config
* config
,
1247 struct i2c_adapter
* i2c
)
1249 struct tda1004x_state
*state
;
1251 /* allocate memory for the internal state */
1252 state
= kmalloc(sizeof(struct tda1004x_state
), GFP_KERNEL
);
1256 /* setup the state */
1257 state
->config
= config
;
1259 memcpy(&state
->ops
, &tda10046_ops
, sizeof(struct dvb_frontend_ops
));
1260 state
->initialised
= 0;
1261 state
->demod_type
= TDA1004X_DEMOD_TDA10046
;
1263 /* check if the demod is there */
1264 if (tda1004x_read_byte(state
, TDA1004X_CHIPID
) != 0x46) {
1269 /* create dvb_frontend */
1270 state
->frontend
.ops
= &state
->ops
;
1271 state
->frontend
.demodulator_priv
= state
;
1272 return &state
->frontend
;
1275 module_param(debug
, int, 0644);
1276 MODULE_PARM_DESC(debug
, "Turn on/off frontend debugging (default:off).");
1278 MODULE_DESCRIPTION("Philips TDA10045H & TDA10046H DVB-T Demodulator");
1279 MODULE_AUTHOR("Andrew de Quincey & Robert Schlabbach");
1280 MODULE_LICENSE("GPL");
1282 EXPORT_SYMBOL(tda10045_attach
);
1283 EXPORT_SYMBOL(tda10046_attach
);
1284 EXPORT_SYMBOL(tda1004x_write_byte
);