2 STB0899 Multistandard Frontend driver
3 Copyright (C) Manu Abraham (abraham.manu@gmail.com)
5 Copyright (C) ST Microelectronics
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 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.
22 #include <linux/init.h>
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/string.h>
27 #include <linux/dvb/frontend.h>
28 #include "dvb_frontend.h"
30 #include "stb0899_drv.h"
31 #include "stb0899_priv.h"
32 #include "stb0899_reg.h"
34 static unsigned int verbose
= 5;
35 module_param(verbose
, int, 0644);
37 /* C/N in dB/10, NIRM/NIRL */
38 static const struct stb0899_tab stb0899_cn_tab
[] = {
61 /* DVB-S AGCIQ_VALUE vs. signal level in dBm/10.
62 * As measured, connected to a modulator.
63 * -8.0 to -50.0 dBm directly connected,
64 * -52.0 to -74.8 with extra attenuation.
65 * Cut-off to AGCIQ_VALUE = 0x80 below -74.8dBm.
66 * Crude linear extrapolation below -84.8dBm and above -8.0dBm.
68 static const struct stb0899_tab stb0899_dvbsrf_tab
[] = {
102 /* DVB-S2 IF_AGC_GAIN vs. signal level in dBm/10.
103 * As measured, connected to a modulator.
104 * -8.0 to -50.1 dBm directly connected,
105 * -53.0 to -76.6 with extra attenuation.
106 * Cut-off to IF_AGC_GAIN = 0x3fff below -76.6dBm.
107 * Crude linear extrapolation below -76.6dBm and above -8.0dBm.
109 static const struct stb0899_tab stb0899_dvbs2rf_tab
[] = {
136 /* DVB-S2 Es/N0 quant in dB/100 vs read value * 100*/
137 struct stb0899_tab stb0899_quant_tab
[] = {
179 /* DVB-S2 Es/N0 estimate in dB/100 vs read value */
180 struct stb0899_tab stb0899_est_tab
[] = {
220 int _stb0899_read_reg(struct stb0899_state
*state
, unsigned int reg
)
224 u8 b0
[] = { reg
>> 8, reg
& 0xff };
227 struct i2c_msg msg
[] = {
229 .addr
= state
->config
->demod_address
,
234 .addr
= state
->config
->demod_address
,
241 ret
= i2c_transfer(state
->i2c
, msg
, 2);
243 if (ret
!= -ERESTARTSYS
)
244 dprintk(verbose
, FE_ERROR
, 1,
245 "Read error, Reg=[0x%02x], Status=%d",
248 return ret
< 0 ? ret
: -EREMOTEIO
;
250 if (unlikely(verbose
>= FE_DEBUGREG
))
251 dprintk(verbose
, FE_ERROR
, 1, "Reg=[0x%02x], data=%02x",
254 return (unsigned int)buf
;
257 int stb0899_read_reg(struct stb0899_state
*state
, unsigned int reg
)
261 result
= _stb0899_read_reg(state
, reg
);
264 * access to 0xf2xx/0xf6xx
265 * must be followed by read from 0xf2ff/0xf6ff.
267 if ((reg
!= 0xf2ff) && (reg
!= 0xf6ff) &&
268 (((reg
& 0xff00) == 0xf200) || ((reg
& 0xff00) == 0xf600)))
269 _stb0899_read_reg(state
, (reg
| 0x00ff));
274 u32
_stb0899_read_s2reg(struct stb0899_state
*state
,
276 u32 stb0899_base_addr
,
277 u16 stb0899_reg_offset
)
285 GETBYTE(stb0899_i2cdev
, BYTE1
), /* 0xf3 S2 Base Address (MSB) */
286 GETBYTE(stb0899_i2cdev
, BYTE0
), /* 0xfc S2 Base Address (LSB) */
287 GETBYTE(stb0899_base_addr
, BYTE0
), /* 0x00 Base Address (LSB) */
288 GETBYTE(stb0899_base_addr
, BYTE1
), /* 0x04 Base Address (LSB) */
289 GETBYTE(stb0899_base_addr
, BYTE2
), /* 0x00 Base Address (MSB) */
290 GETBYTE(stb0899_base_addr
, BYTE3
), /* 0x00 Base Address (MSB) */
293 0x00, /* 0xf3 Reg Offset */
294 0x00, /* 0x44 Reg Offset */
297 struct i2c_msg msg_0
= {
298 .addr
= state
->config
->demod_address
,
304 struct i2c_msg msg_1
= {
305 .addr
= state
->config
->demod_address
,
311 struct i2c_msg msg_r
= {
312 .addr
= state
->config
->demod_address
,
318 tmpaddr
= stb0899_reg_offset
& 0xff00;
319 if (!(stb0899_reg_offset
& 0x8))
320 tmpaddr
= stb0899_reg_offset
| 0x20;
322 buf_1
[0] = GETBYTE(tmpaddr
, BYTE1
);
323 buf_1
[1] = GETBYTE(tmpaddr
, BYTE0
);
325 status
= i2c_transfer(state
->i2c
, &msg_0
, 1);
327 if (status
!= -ERESTARTSYS
)
328 printk(KERN_ERR
"%s ERR(1), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n",
329 __func__
, stb0899_i2cdev
, stb0899_base_addr
, stb0899_reg_offset
, status
);
335 status
= i2c_transfer(state
->i2c
, &msg_1
, 1);
339 status
= i2c_transfer(state
->i2c
, &msg_r
, 1);
343 buf_1
[0] = GETBYTE(stb0899_reg_offset
, BYTE1
);
344 buf_1
[1] = GETBYTE(stb0899_reg_offset
, BYTE0
);
347 status
= i2c_transfer(state
->i2c
, &msg_1
, 1);
349 if (status
!= -ERESTARTSYS
)
350 printk(KERN_ERR
"%s ERR(2), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n",
351 __func__
, stb0899_i2cdev
, stb0899_base_addr
, stb0899_reg_offset
, status
);
355 status
= i2c_transfer(state
->i2c
, &msg_r
, 1);
357 if (status
!= -ERESTARTSYS
)
358 printk(KERN_ERR
"%s ERR(3), Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Status=%d\n",
359 __func__
, stb0899_i2cdev
, stb0899_base_addr
, stb0899_reg_offset
, status
);
360 return status
< 0 ? status
: -EREMOTEIO
;
363 data
= MAKEWORD32(buf
[3], buf
[2], buf
[1], buf
[0]);
364 if (unlikely(state
->verbose
>= FE_DEBUGREG
))
365 printk(KERN_DEBUG
"%s Device=[0x%04x], Base address=[0x%08x], Offset=[0x%04x], Data=[0x%08x]\n",
366 __func__
, stb0899_i2cdev
, stb0899_base_addr
, stb0899_reg_offset
, data
);
371 return status
< 0 ? status
: -EREMOTEIO
;
374 int stb0899_write_s2reg(struct stb0899_state
*state
,
376 u32 stb0899_base_addr
,
377 u16 stb0899_reg_offset
,
382 /* Base Address Setup */
384 GETBYTE(stb0899_i2cdev
, BYTE1
), /* 0xf3 S2 Base Address (MSB) */
385 GETBYTE(stb0899_i2cdev
, BYTE0
), /* 0xfc S2 Base Address (LSB) */
386 GETBYTE(stb0899_base_addr
, BYTE0
), /* 0x00 Base Address (LSB) */
387 GETBYTE(stb0899_base_addr
, BYTE1
), /* 0x04 Base Address (LSB) */
388 GETBYTE(stb0899_base_addr
, BYTE2
), /* 0x00 Base Address (MSB) */
389 GETBYTE(stb0899_base_addr
, BYTE3
), /* 0x00 Base Address (MSB) */
392 0x00, /* 0xf3 Reg Offset */
393 0x00, /* 0x44 Reg Offset */
400 struct i2c_msg msg_0
= {
401 .addr
= state
->config
->demod_address
,
407 struct i2c_msg msg_1
= {
408 .addr
= state
->config
->demod_address
,
414 buf_1
[0] = GETBYTE(stb0899_reg_offset
, BYTE1
);
415 buf_1
[1] = GETBYTE(stb0899_reg_offset
, BYTE0
);
416 buf_1
[2] = GETBYTE(stb0899_data
, BYTE0
);
417 buf_1
[3] = GETBYTE(stb0899_data
, BYTE1
);
418 buf_1
[4] = GETBYTE(stb0899_data
, BYTE2
);
419 buf_1
[5] = GETBYTE(stb0899_data
, BYTE3
);
421 if (unlikely(state
->verbose
>= FE_DEBUGREG
))
422 printk(KERN_DEBUG
"%s Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x]\n",
423 __func__
, stb0899_i2cdev
, stb0899_base_addr
, stb0899_reg_offset
, stb0899_data
);
425 status
= i2c_transfer(state
->i2c
, &msg_0
, 1);
426 if (unlikely(status
< 1)) {
427 if (status
!= -ERESTARTSYS
)
428 printk(KERN_ERR
"%s ERR (1), Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x], status=%d\n",
429 __func__
, stb0899_i2cdev
, stb0899_base_addr
, stb0899_reg_offset
, stb0899_data
, status
);
432 status
= i2c_transfer(state
->i2c
, &msg_1
, 1);
433 if (unlikely(status
< 1)) {
434 if (status
!= -ERESTARTSYS
)
435 printk(KERN_ERR
"%s ERR (2), Device=[0x%04x], Base Address=[0x%08x], Offset=[0x%04x], Data=[0x%08x], status=%d\n",
436 __func__
, stb0899_i2cdev
, stb0899_base_addr
, stb0899_reg_offset
, stb0899_data
, status
);
438 return status
< 0 ? status
: -EREMOTEIO
;
444 return status
< 0 ? status
: -EREMOTEIO
;
447 int stb0899_read_regs(struct stb0899_state
*state
, unsigned int reg
, u8
*buf
, size_t count
)
451 u8 b0
[] = { reg
>> 8, reg
& 0xff };
453 struct i2c_msg msg
[] = {
455 .addr
= state
->config
->demod_address
,
460 .addr
= state
->config
->demod_address
,
467 status
= i2c_transfer(state
->i2c
, msg
, 2);
469 if (status
!= -ERESTARTSYS
)
470 printk(KERN_ERR
"%s Read error, Reg=[0x%04x], Count=%u, Status=%d\n",
471 __func__
, reg
, count
, status
);
476 * access to 0xf2xx/0xf6xx
477 * must be followed by read from 0xf2ff/0xf6ff.
479 if ((reg
!= 0xf2ff) && (reg
!= 0xf6ff) &&
480 (((reg
& 0xff00) == 0xf200) || ((reg
& 0xff00) == 0xf600)))
481 _stb0899_read_reg(state
, (reg
| 0x00ff));
483 if (unlikely(state
->verbose
>= FE_DEBUGREG
)) {
486 printk(KERN_DEBUG
"%s [0x%04x]:", __func__
, reg
);
487 for (i
= 0; i
< count
; i
++) {
488 printk(" %02x", buf
[i
]);
495 return status
< 0 ? status
: -EREMOTEIO
;
498 int stb0899_write_regs(struct stb0899_state
*state
, unsigned int reg
, u8
*data
, size_t count
)
502 struct i2c_msg i2c_msg
= {
503 .addr
= state
->config
->demod_address
,
511 memcpy(&buf
[2], data
, count
);
513 if (unlikely(state
->verbose
>= FE_DEBUGREG
)) {
516 printk(KERN_DEBUG
"%s [0x%04x]:", __func__
, reg
);
517 for (i
= 0; i
< count
; i
++)
518 printk(" %02x", data
[i
]);
521 ret
= i2c_transfer(state
->i2c
, &i2c_msg
, 1);
525 * access to 0xf2xx/0xf6xx
526 * must be followed by read from 0xf2ff/0xf6ff.
528 if ((((reg
& 0xff00) == 0xf200) || ((reg
& 0xff00) == 0xf600)))
529 stb0899_read_reg(state
, (reg
| 0x00ff));
532 if (ret
!= -ERESTARTSYS
)
533 dprintk(verbose
, FE_ERROR
, 1, "Reg=[0x%04x], Data=[0x%02x ...], Count=%u, Status=%d",
534 reg
, data
[0], count
, ret
);
535 return ret
< 0 ? ret
: -EREMOTEIO
;
541 int stb0899_write_reg(struct stb0899_state
*state
, unsigned int reg
, u8 data
)
543 return stb0899_write_regs(state
, reg
, &data
, 1);
548 * Get STB0899 master clock frequency
549 * ExtClk: external clock frequency (Hz)
551 static u32
stb0899_get_mclk(struct stb0899_state
*state
)
553 u32 mclk
= 90000000, div
= 0;
555 div
= stb0899_read_reg(state
, STB0899_NCOARSE
);
556 mclk
= (div
+ 1) * state
->config
->xtal_freq
/ 6;
557 dprintk(verbose
, FE_DEBUG
, 1, "div=%d, mclk=%d", div
, mclk
);
564 * Set STB0899 master Clock frequency
565 * Mclk: demodulator master clock
566 * ExtClk: external clock frequency (Hz)
568 static void stb0899_set_mclk(struct stb0899_state
*state
, u32 Mclk
)
570 struct stb0899_internal
*internal
= &state
->internal
;
573 dprintk(verbose
, FE_DEBUG
, 1, "state->config=%p", state
->config
);
574 mdiv
= ((6 * Mclk
) / state
->config
->xtal_freq
) - 1;
575 dprintk(verbose
, FE_DEBUG
, 1, "mdiv=%d", mdiv
);
577 stb0899_write_reg(state
, STB0899_NCOARSE
, mdiv
);
578 internal
->master_clk
= stb0899_get_mclk(state
);
580 dprintk(verbose
, FE_DEBUG
, 1, "MasterCLOCK=%d", internal
->master_clk
);
583 static int stb0899_postproc(struct stb0899_state
*state
, u8 ctl
, int enable
)
585 struct stb0899_config
*config
= state
->config
;
586 struct stb0899_postproc
*postproc
= config
->postproc
;
588 /* post process event */
591 if (postproc
[ctl
].level
== STB0899_GPIOPULLUP
)
592 stb0899_write_reg(state
, postproc
[ctl
].gpio
, 0x02);
594 stb0899_write_reg(state
, postproc
[ctl
].gpio
, 0x82);
596 if (postproc
[ctl
].level
== STB0899_GPIOPULLUP
)
597 stb0899_write_reg(state
, postproc
[ctl
].gpio
, 0x82);
599 stb0899_write_reg(state
, postproc
[ctl
].gpio
, 0x02);
605 static void stb0899_release(struct dvb_frontend
*fe
)
607 struct stb0899_state
*state
= fe
->demodulator_priv
;
609 dprintk(verbose
, FE_DEBUG
, 1, "Release Frontend");
610 /* post process event */
611 stb0899_postproc(state
, STB0899_POSTPROC_GPIO_POWER
, 0);
619 static int stb0899_get_alpha(struct stb0899_state
*state
)
623 mode_coeff
= stb0899_read_reg(state
, STB0899_DEMOD
);
625 if (STB0899_GETFIELD(MODECOEFF
, mode_coeff
) == 1)
634 static void stb0899_init_calc(struct stb0899_state
*state
)
636 struct stb0899_internal
*internal
= &state
->internal
;
642 /* Read registers (in burst mode) */
643 agc1cn
= stb0899_read_reg(state
, STB0899_AGC1CN
);
644 stb0899_read_regs(state
, STB0899_AGC1REF
, agc
, 2); /* AGC1R and AGC2O */
646 /* Initial calculations */
647 master_clk
= stb0899_get_mclk(state
);
648 internal
->t_agc1
= 0;
649 internal
->t_agc2
= 0;
650 internal
->master_clk
= master_clk
;
651 internal
->mclk
= master_clk
/ 65536L;
652 internal
->rolloff
= stb0899_get_alpha(state
);
654 /* DVBS2 Initial calculations */
655 /* Set AGC value to the middle */
656 internal
->agc_gain
= 8154;
657 reg
= STB0899_READ_S2REG(STB0899_S2DEMOD
, IF_AGC_CNTRL
);
658 STB0899_SETFIELD_VAL(IF_GAIN_INIT
, reg
, internal
->agc_gain
);
659 stb0899_write_s2reg(state
, STB0899_S2DEMOD
, STB0899_BASE_IF_AGC_CNTRL
, STB0899_OFF0_IF_AGC_CNTRL
, reg
);
661 reg
= STB0899_READ_S2REG(STB0899_S2DEMOD
, RRC_ALPHA
);
662 internal
->rrc_alpha
= STB0899_GETFIELD(RRC_ALPHA
, reg
);
664 internal
->center_freq
= 0;
665 internal
->av_frame_coarse
= 10;
666 internal
->av_frame_fine
= 20;
667 internal
->step_size
= 2;
669 if ((pParams->SpectralInv == FE_IQ_NORMAL) || (pParams->SpectralInv == FE_IQ_AUTO))
670 pParams->IQLocked = 0;
672 pParams->IQLocked = 1;
676 static int stb0899_wait_diseqc_fifo_empty(struct stb0899_state
*state
, int timeout
)
679 unsigned long start
= jiffies
;
682 reg
= stb0899_read_reg(state
, STB0899_DISSTATUS
);
683 if (!STB0899_GETFIELD(FIFOFULL
, reg
))
685 if ((jiffies
- start
) > timeout
) {
686 dprintk(verbose
, FE_ERROR
, 1, "timed out !!");
694 static int stb0899_send_diseqc_msg(struct dvb_frontend
*fe
, struct dvb_diseqc_master_cmd
*cmd
)
696 struct stb0899_state
*state
= fe
->demodulator_priv
;
699 if (cmd
->msg_len
> 8)
702 /* enable FIFO precharge */
703 reg
= stb0899_read_reg(state
, STB0899_DISCNTRL1
);
704 STB0899_SETFIELD_VAL(DISPRECHARGE
, reg
, 1);
705 stb0899_write_reg(state
, STB0899_DISCNTRL1
, reg
);
706 for (i
= 0; i
< cmd
->msg_len
; i
++) {
707 /* wait for FIFO empty */
708 if (stb0899_wait_diseqc_fifo_empty(state
, 10) < 0)
711 stb0899_write_reg(state
, STB0899_DISFIFO
, cmd
->msg
[i
]);
713 reg
= stb0899_read_reg(state
, STB0899_DISCNTRL1
);
714 STB0899_SETFIELD_VAL(DISPRECHARGE
, reg
, 0);
715 stb0899_write_reg(state
, STB0899_DISCNTRL1
, reg
);
720 static int stb0899_wait_diseqc_rxidle(struct stb0899_state
*state
, int timeout
)
723 unsigned long start
= jiffies
;
725 while (!STB0899_GETFIELD(RXEND
, reg
)) {
726 reg
= stb0899_read_reg(state
, STB0899_DISRX_ST0
);
727 if (jiffies
- start
> timeout
) {
728 dprintk(verbose
, FE_ERROR
, 1, "timed out!!");
737 static int stb0899_recv_slave_reply(struct dvb_frontend
*fe
, struct dvb_diseqc_slave_reply
*reply
)
739 struct stb0899_state
*state
= fe
->demodulator_priv
;
740 u8 reg
, length
= 0, i
;
743 if (stb0899_wait_diseqc_rxidle(state
, 100) < 0)
746 reg
= stb0899_read_reg(state
, STB0899_DISRX_ST0
);
747 if (STB0899_GETFIELD(RXEND
, reg
)) {
749 reg
= stb0899_read_reg(state
, STB0899_DISRX_ST1
);
750 length
= STB0899_GETFIELD(FIFOBYTENBR
, reg
);
752 if (length
> sizeof (reply
->msg
)) {
756 reply
->msg_len
= length
;
759 for (i
= 0; i
< length
; i
++)
760 reply
->msg
[i
] = stb0899_read_reg(state
, STB0899_DISFIFO
);
769 static int stb0899_wait_diseqc_txidle(struct stb0899_state
*state
, int timeout
)
772 unsigned long start
= jiffies
;
774 while (!STB0899_GETFIELD(TXIDLE
, reg
)) {
775 reg
= stb0899_read_reg(state
, STB0899_DISSTATUS
);
776 if (jiffies
- start
> timeout
) {
777 dprintk(verbose
, FE_ERROR
, 1, "timed out!!");
785 static int stb0899_send_diseqc_burst(struct dvb_frontend
*fe
, fe_sec_mini_cmd_t burst
)
787 struct stb0899_state
*state
= fe
->demodulator_priv
;
790 /* wait for diseqc idle */
791 if (stb0899_wait_diseqc_txidle(state
, 100) < 0)
794 reg
= stb0899_read_reg(state
, STB0899_DISCNTRL1
);
796 /* set to burst mode */
797 STB0899_SETFIELD_VAL(DISEQCMODE
, reg
, 0x02);
798 STB0899_SETFIELD_VAL(DISPRECHARGE
, reg
, 0x01);
799 stb0899_write_reg(state
, STB0899_DISCNTRL1
, reg
);
803 stb0899_write_reg(state
, STB0899_DISFIFO
, 0x00);
807 stb0899_write_reg(state
, STB0899_DISFIFO
, 0xff);
810 reg
= stb0899_read_reg(state
, STB0899_DISCNTRL1
);
811 STB0899_SETFIELD_VAL(DISPRECHARGE
, reg
, 0x00);
812 stb0899_write_reg(state
, STB0899_DISCNTRL1
, reg
);
813 /* wait for diseqc idle */
814 if (stb0899_wait_diseqc_txidle(state
, 100) < 0)
818 stb0899_write_reg(state
, STB0899_DISCNTRL1
, old_state
);
823 static int stb0899_diseqc_init(struct stb0899_state
*state
)
825 struct dvb_diseqc_master_cmd tx_data
;
826 struct dvb_diseqc_slave_reply rx_data
;
828 u8 f22_tx
, f22_rx
, reg
;
830 u32 mclk
, tx_freq
= 22000, count
= 0, i
;
832 u32 trial
= 0; /* try max = 2 (try 20khz and 17.5 khz) */
833 u32 ret_1
= 0; /* 20 Khz status */
834 u32 ret_2
= 0; /* 17.5 Khz status */
836 tx_data
.msg
[0] = 0xe2;
838 reg
= stb0899_read_reg(state
, STB0899_DISCNTRL2
);
839 STB0899_SETFIELD_VAL(ONECHIP_TRX
, reg
, 0);
840 stb0899_write_reg(state
, STB0899_DISCNTRL2
, reg
);
843 reg
= stb0899_read_reg(state
, STB0899_DISCNTRL1
);
844 STB0899_SETFIELD_VAL(DISEQCRESET
, reg
, 1);
845 stb0899_write_reg(state
, STB0899_DISCNTRL1
, reg
);
847 reg
= stb0899_read_reg(state
, STB0899_DISCNTRL1
);
848 STB0899_SETFIELD_VAL(DISEQCRESET
, reg
, 0);
849 stb0899_write_reg(state
, STB0899_DISCNTRL1
, reg
);
851 mclk
= stb0899_get_mclk(state
);
852 f22_tx
= mclk
/ (tx_freq
* 32);
853 stb0899_write_reg(state
, STB0899_DISF22
, f22_tx
); /* DiSEqC Tx freq */
854 state
->rx_freq
= 20000;
855 f22_rx
= mclk
/ (state
->rx_freq
* 32);
860 static int stb0899_sleep(struct dvb_frontend
*fe
)
862 struct stb0899_state
*state
= fe
->demodulator_priv
;
865 dprintk(verbose
, FE_DEBUG
, 1, "Going to Sleep .. (Really tired .. :-))");
866 /* post process event */
867 stb0899_postproc(state
, STB0899_POSTPROC_GPIO_POWER
, 0);
872 static int stb0899_wakeup(struct dvb_frontend
*fe
)
875 struct stb0899_state
*state
= fe
->demodulator_priv
;
877 if ((rc
= stb0899_write_reg(state
, STB0899_SYNTCTRL
, STB0899_SELOSCI
)))
879 /* Activate all clocks; DVB-S2 registers are inaccessible otherwise. */
880 if ((rc
= stb0899_write_reg(state
, STB0899_STOPCLK1
, 0x00)))
882 if ((rc
= stb0899_write_reg(state
, STB0899_STOPCLK2
, 0x00)))
885 /* post process event */
886 stb0899_postproc(state
, STB0899_POSTPROC_GPIO_POWER
, 1);
891 static int stb0899_init(struct dvb_frontend
*fe
)
894 struct stb0899_state
*state
= fe
->demodulator_priv
;
895 struct stb0899_config
*config
= state
->config
;
897 dprintk(verbose
, FE_DEBUG
, 1, "Initializing STB0899 ... ");
898 // mutex_init(&state->search_lock);
901 dprintk(verbose
, FE_DEBUG
, 1, "init device");
902 for (i
= 0; config
->init_dev
[i
].address
!= 0xffff; i
++)
903 stb0899_write_reg(state
, config
->init_dev
[i
].address
, config
->init_dev
[i
].data
);
905 dprintk(verbose
, FE_DEBUG
, 1, "init S2 demod");
907 for (i
= 0; config
->init_s2_demod
[i
].offset
!= 0xffff; i
++)
908 stb0899_write_s2reg(state
, STB0899_S2DEMOD
,
909 config
->init_s2_demod
[i
].base_address
,
910 config
->init_s2_demod
[i
].offset
,
911 config
->init_s2_demod
[i
].data
);
913 dprintk(verbose
, FE_DEBUG
, 1, "init S1 demod");
915 for (i
= 0; config
->init_s1_demod
[i
].address
!= 0xffff; i
++)
916 stb0899_write_reg(state
, config
->init_s1_demod
[i
].address
, config
->init_s1_demod
[i
].data
);
918 dprintk(verbose
, FE_DEBUG
, 1, "init S2 FEC");
920 for (i
= 0; config
->init_s2_fec
[i
].offset
!= 0xffff; i
++)
921 stb0899_write_s2reg(state
, STB0899_S2FEC
,
922 config
->init_s2_fec
[i
].base_address
,
923 config
->init_s2_fec
[i
].offset
,
924 config
->init_s2_fec
[i
].data
);
926 dprintk(verbose
, FE_DEBUG
, 1, "init TST");
928 for (i
= 0; config
->init_tst
[i
].address
!= 0xffff; i
++)
929 stb0899_write_reg(state
, config
->init_tst
[i
].address
, config
->init_tst
[i
].data
);
931 stb0899_init_calc(state
);
932 stb0899_diseqc_init(state
);
937 static int stb0899_table_lookup(const struct stb0899_tab
*tab
, int max
, int val
)
942 if (val
< tab
[min
].read
)
944 else if (val
>= tab
[max
].read
)
947 while ((max
- min
) > 1) {
948 med
= (max
+ min
) / 2;
949 if (val
>= tab
[min
].read
&& val
< tab
[med
].read
)
954 res
= ((val
- tab
[min
].read
) *
955 (tab
[max
].real
- tab
[min
].real
) /
956 (tab
[max
].read
- tab
[min
].read
)) +
963 static int stb0899_read_signal_strength(struct dvb_frontend
*fe
, u16
*strength
)
965 struct stb0899_state
*state
= fe
->demodulator_priv
;
966 struct stb0899_internal
*internal
= &state
->internal
;
970 switch (state
->delsys
) {
971 case DVBFE_DELSYS_DVBS
:
972 case DVBFE_DELSYS_DSS
:
973 if (internal
->lock
) {
974 reg
= stb0899_read_reg(state
, STB0899_VSTATUS
);
975 if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT
, reg
)) {
977 reg
= stb0899_read_reg(state
, STB0899_AGCIQIN
);
978 val
= (s32
)(s8
)STB0899_GETFIELD(AGCIQVALUE
, reg
);
980 *strength
= stb0899_table_lookup(stb0899_dvbsrf_tab
, ARRAY_SIZE(stb0899_dvbsrf_tab
) - 1, val
);
982 dprintk(verbose
, FE_DEBUG
, 1, "AGCIQVALUE = 0x%02x, C = %d * 0.1 dBm",
983 val
& 0xff, *strength
);
987 case DVBFE_DELSYS_DVBS2
:
988 if (internal
->lock
) {
989 reg
= STB0899_READ_S2REG(STB0899_DEMOD
, IF_AGC_GAIN
);
990 val
= STB0899_GETFIELD(IF_AGC_GAIN
, reg
);
992 *strength
= stb0899_table_lookup(stb0899_dvbs2rf_tab
, ARRAY_SIZE(stb0899_dvbs2rf_tab
) - 1, val
);
994 dprintk(verbose
, FE_DEBUG
, 1, "IF_AGC_GAIN = 0x%04x, C = %d * 0.1 dBm",
995 val
& 0x3fff, *strength
);
999 dprintk(verbose
, FE_DEBUG
, 1, "Unsupported delivery system");
1006 static int stb0899_read_snr(struct dvb_frontend
*fe
, u16
*snr
)
1008 struct stb0899_state
*state
= fe
->demodulator_priv
;
1009 struct stb0899_internal
*internal
= &state
->internal
;
1011 unsigned int val
, quant
, quantn
= -1, est
, estn
= -1;
1015 reg
= stb0899_read_reg(state
, STB0899_VSTATUS
);
1016 switch (state
->delsys
) {
1017 case DVBFE_DELSYS_DVBS
:
1018 case DVBFE_DELSYS_DSS
:
1019 if (internal
->lock
) {
1020 if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT
, reg
)) {
1022 stb0899_read_regs(state
, STB0899_NIRM
, buf
, 2);
1023 val
= MAKEWORD16(buf
[0], buf
[1]);
1025 *snr
= stb0899_table_lookup(stb0899_cn_tab
, ARRAY_SIZE(stb0899_cn_tab
) - 1, val
);
1026 dprintk(verbose
, FE_DEBUG
, 1, "NIR = 0x%02x%02x = %u, C/N = %d * 0.1 dBm\n",
1027 buf
[0], buf
[1], val
, *snr
);
1031 case DVBFE_DELSYS_DVBS2
:
1032 if (internal
->lock
) {
1033 reg
= STB0899_READ_S2REG(STB0899_S2DEMOD
, UWP_CNTRL1
);
1034 quant
= STB0899_GETFIELD(UWP_ESN0_QUANT
, reg
);
1035 reg
= STB0899_READ_S2REG(STB0899_S2DEMOD
, UWP_STAT2
);
1036 est
= STB0899_GETFIELD(ESN0_EST
, reg
);
1038 val
= 301; /* C/N = 30.1 dB */
1040 val
= 270; /* C/N = 27.0 dB */
1042 /* quantn = 100 * log(quant^2) */
1043 quantn
= stb0899_table_lookup(stb0899_quant_tab
, ARRAY_SIZE(stb0899_quant_tab
) - 1, quant
* 100);
1044 /* estn = 100 * log(est) */
1045 estn
= stb0899_table_lookup(stb0899_est_tab
, ARRAY_SIZE(stb0899_est_tab
) - 1, est
);
1046 /* snr(dBm/10) = -10*(log(est)-log(quant^2)) => snr(dBm/10) = (100*log(quant^2)-100*log(est))/10 */
1047 val
= (quantn
- estn
) / 10;
1050 dprintk(verbose
, FE_DEBUG
, 1, "Es/N0 quant = %d (%d) estimate = %u (%d), C/N = %d * 0.1 dBm",
1051 quant
, quantn
, est
, estn
, val
);
1055 dprintk(verbose
, FE_DEBUG
, 1, "Unsupported delivery system");
1062 static int stb0899_read_status(struct dvb_frontend
*fe
, enum fe_status
*status
)
1064 struct stb0899_state
*state
= fe
->demodulator_priv
;
1065 struct stb0899_internal
*internal
= &state
->internal
;
1069 switch (state
->delsys
) {
1070 case DVBFE_DELSYS_DVBS
:
1071 case DVBFE_DELSYS_DSS
:
1072 dprintk(state
->verbose
, FE_DEBUG
, 1, "Delivery system DVB-S/DSS");
1073 if (internal
->lock
) {
1074 reg
= stb0899_read_reg(state
, STB0899_VSTATUS
);
1075 if (STB0899_GETFIELD(VSTATUS_LOCKEDVIT
, reg
)) {
1076 dprintk(state
->verbose
, FE_DEBUG
, 1, "--------> FE_HAS_CARRIER | FE_HAS_LOCK");
1077 *status
|= FE_HAS_CARRIER
| FE_HAS_LOCK
;
1079 reg
= stb0899_read_reg(state
, STB0899_PLPARM
);
1080 if (STB0899_GETFIELD(VITCURPUN
, reg
)) {
1081 dprintk(state
->verbose
, FE_DEBUG
, 1, "--------> FE_HAS_VITERBI | FE_HAS_SYNC");
1082 *status
|= FE_HAS_VITERBI
| FE_HAS_SYNC
;
1083 /* post process event */
1084 stb0899_postproc(state
, STB0899_POSTPROC_GPIO_LOCK
, 1);
1089 case DVBFE_DELSYS_DVBS2
:
1090 dprintk(state
->verbose
, FE_DEBUG
, 1, "Delivery system DVB-S2");
1091 if (internal
->lock
) {
1092 reg
= STB0899_READ_S2REG(STB0899_S2DEMOD
, DMD_STAT2
);
1093 if (STB0899_GETFIELD(UWP_LOCK
, reg
) && STB0899_GETFIELD(CSM_LOCK
, reg
)) {
1094 *status
|= FE_HAS_CARRIER
;
1095 dprintk(state
->verbose
, FE_DEBUG
, 1,
1096 "UWP & CSM Lock ! ---> DVB-S2 FE_HAS_CARRIER");
1098 reg
= stb0899_read_reg(state
, STB0899_CFGPDELSTATUS1
);
1099 if (STB0899_GETFIELD(CFGPDELSTATUS_LOCK
, reg
)) {
1100 *status
|= FE_HAS_LOCK
;
1101 dprintk(state
->verbose
, FE_DEBUG
, 1,
1102 "Packet Delineator Locked ! -----> DVB-S2 FE_HAS_LOCK");
1105 if (STB0899_GETFIELD(CONTINUOUS_STREAM
, reg
)) {
1106 *status
|= FE_HAS_VITERBI
;
1107 dprintk(state
->verbose
, FE_DEBUG
, 1,
1108 "Packet Delineator found VITERBI ! -----> DVB-S2 FE_HAS_VITERBI");
1110 if (STB0899_GETFIELD(ACCEPTED_STREAM
, reg
)) {
1111 *status
|= FE_HAS_SYNC
;
1112 dprintk(state
->verbose
, FE_DEBUG
, 1,
1113 "Packet Delineator found SYNC ! -----> DVB-S2 FE_HAS_SYNC");
1114 /* post process event */
1115 stb0899_postproc(state
, STB0899_POSTPROC_GPIO_LOCK
, 1);
1121 dprintk(verbose
, FE_DEBUG
, 1, "Unsupported delivery system");
1129 * viterbi error for DVB-S/DSS
1130 * packet error for DVB-S2
1131 * Bit Error Rate or Packet Error Rate * 10 ^ 7
1133 static int stb0899_read_ber(struct dvb_frontend
*fe
, u32
*ber
)
1135 struct stb0899_state
*state
= fe
->demodulator_priv
;
1136 struct stb0899_internal
*internal
= &state
->internal
;
1143 switch (state
->delsys
) {
1144 case DVBFE_DELSYS_DVBS
:
1145 case DVBFE_DELSYS_DSS
:
1146 if (internal
->lock
) {
1147 /* average 5 BER values */
1148 for (i
= 0; i
< 5; i
++) {
1150 lsb
= stb0899_read_reg(state
, STB0899_ECNT1L
);
1151 msb
= stb0899_read_reg(state
, STB0899_ECNT1M
);
1152 *ber
+= MAKEWORD16(msb
, lsb
);
1156 if (STB0899_GETFIELD(VSTATUS_PRFVIT
, internal
->v_status
)) {
1159 /* ber = ber * 10 ^ 7 */
1160 *ber
/= (-1 + (1 << (2 * STB0899_GETFIELD(NOE
, internal
->err_ctrl
))));
1165 case DVBFE_DELSYS_DVBS2
:
1166 if (internal
->lock
) {
1167 /* Average 5 PER values */
1168 for (i
= 0; i
< 5; i
++) {
1170 lsb
= stb0899_read_reg(state
, STB0899_ECNT1L
);
1171 msb
= stb0899_read_reg(state
, STB0899_ECNT1M
);
1172 *ber
+= MAKEWORD16(msb
, lsb
);
1174 /* ber = ber * 10 ^ 7 */
1176 *ber
/= (-1 + (1 << (4 + 2 * STB0899_GETFIELD(NOE
, internal
->err_ctrl
))));
1180 dprintk(verbose
, FE_DEBUG
, 1, "Unsupported delivery system");
1187 static int stb0899_set_voltage(struct dvb_frontend
*fe
, fe_sec_voltage_t voltage
)
1189 struct stb0899_state
*state
= fe
->demodulator_priv
;
1192 case SEC_VOLTAGE_13
:
1193 stb0899_write_reg(state
, STB0899_GPIO00CFG
, 0x82);
1194 stb0899_write_reg(state
, STB0899_GPIO01CFG
, 0x02);
1195 stb0899_write_reg(state
, STB0899_GPIO02CFG
, 0x00);
1197 case SEC_VOLTAGE_18
:
1198 stb0899_write_reg(state
, STB0899_GPIO00CFG
, 0x02);
1199 stb0899_write_reg(state
, STB0899_GPIO01CFG
, 0x02);
1200 stb0899_write_reg(state
, STB0899_GPIO02CFG
, 0x82);
1202 case SEC_VOLTAGE_OFF
:
1203 stb0899_write_reg(state
, STB0899_GPIO00CFG
, 0x82);
1204 stb0899_write_reg(state
, STB0899_GPIO01CFG
, 0x82);
1205 stb0899_write_reg(state
, STB0899_GPIO02CFG
, 0x82);
1214 static int stb0899_set_tone(struct dvb_frontend
*fe
, fe_sec_tone_mode_t tone
)
1216 struct stb0899_state
*state
= fe
->demodulator_priv
;
1217 struct stb0899_internal
*internal
= &state
->internal
;
1221 /* wait for diseqc idle */
1222 if (stb0899_wait_diseqc_txidle(state
, 100) < 0)
1227 div
= (internal
->master_clk
/ 100) / 5632;
1228 div
= (div
+ 5) / 10;
1229 stb0899_write_reg(state
, STB0899_DISEQCOCFG
, 0x66);
1230 reg
= stb0899_read_reg(state
, STB0899_ACRPRESC
);
1231 STB0899_SETFIELD_VAL(ACRPRESC
, reg
, 0x03);
1232 stb0899_write_reg(state
, STB0899_ACRPRESC
, reg
);
1233 stb0899_write_reg(state
, STB0899_ACRDIV1
, div
);
1236 stb0899_write_reg(state
, STB0899_DISEQCOCFG
, 0x20);
1244 static int stb0899_i2c_gate_ctrl(struct dvb_frontend
*fe
, int enable
)
1247 struct stb0899_state
*state
= fe
->demodulator_priv
;
1249 i2c_stat
= stb0899_read_reg(state
, STB0899_I2CRPT
);
1254 dprintk(state
->verbose
, FE_DEBUG
, 1, "Enabling I2C Repeater ...");
1255 i2c_stat
|= STB0899_I2CTON
;
1256 if (stb0899_write_reg(state
, STB0899_I2CRPT
, i2c_stat
) < 0)
1261 dprintk(state
->verbose
, FE_ERROR
, 1, "I2C Repeater enable failed");
1266 static inline void CONVERT32(u32 x
, char *str
)
1268 *str
++ = (x
>> 24) & 0xff;
1269 *str
++ = (x
>> 16) & 0xff;
1270 *str
++ = (x
>> 8) & 0xff;
1271 *str
++ = (x
>> 0) & 0xff;
1275 int stb0899_get_dev_id(struct stb0899_state
*state
)
1277 u8 chip_id
, release
;
1279 u32 demod_ver
= 0, fec_ver
= 0;
1280 char demod_str
[4] = { 0 };
1281 char fec_str
[4] = { 0 };
1283 id
= stb0899_read_reg(state
, STB0899_DEV_ID
);
1284 dprintk(state
->verbose
, FE_DEBUG
, 1, "ID reg=[0x%02x]", id
);
1285 chip_id
= STB0899_GETFIELD(CHIP_ID
, id
);
1286 release
= STB0899_GETFIELD(CHIP_REL
, id
);
1288 dprintk(state
->verbose
, FE_ERROR
, 1, "Device ID=[%d], Release=[%d]",
1291 CONVERT32(STB0899_READ_S2REG(STB0899_S2DEMOD
, DMD_CORE_ID
), (char *)&demod_str
);
1293 demod_ver
= STB0899_READ_S2REG(STB0899_S2DEMOD
, DMD_VERSION_ID
);
1294 dprintk(state
->verbose
, FE_ERROR
, 1, "Demodulator Core ID=[%s], Version=[%d]", (char *) &demod_str
, demod_ver
);
1295 CONVERT32(STB0899_READ_S2REG(STB0899_S2FEC
, FEC_CORE_ID_REG
), (char *)&fec_str
);
1296 fec_ver
= STB0899_READ_S2REG(STB0899_S2FEC
, FEC_VER_ID_REG
);
1297 if (! (chip_id
> 0)) {
1298 dprintk(state
->verbose
, FE_ERROR
, 1, "couldn't find a STB 0899");
1302 dprintk(state
->verbose
, FE_ERROR
, 1, "FEC Core ID=[%s], Version=[%d]", (char*) &fec_str
, fec_ver
);
1307 static const struct dvbfe_info dvbs_info
= {
1308 .name
= "STB0899 DVB-S",
1309 .delivery
= DVBFE_DELSYS_DVBS
,
1311 .dvbs
.modulation
= DVBFE_MOD_QPSK
,
1312 .dvbs
.fec
= DVBFE_FEC_1_2
| DVBFE_FEC_2_3
|
1313 DVBFE_FEC_3_4
| DVBFE_FEC_5_6
|
1317 .frequency_min
= 950000,
1318 .frequency_max
= 2150000,
1319 .frequency_step
= 0,
1320 .symbol_rate_min
= 1000000,
1321 .symbol_rate_max
= 45000000,
1322 .symbol_rate_tolerance
= 0
1325 static const struct dvbfe_info dss_info
= {
1326 .name
= "STB0899 DSS",
1327 .delivery
= DVBFE_DELSYS_DSS
,
1329 .dss
.modulation
= DVBFE_MOD_BPSK
| DVBFE_MOD_QPSK
,
1330 .dss
.fec
= DVBFE_FEC_1_2
| DVBFE_FEC_2_3
|
1331 DVBFE_FEC_3_4
| DVBFE_FEC_5_6
|
1335 .frequency_min
= 950000,
1336 .frequency_max
= 2150000,
1337 .frequency_step
= 0,
1338 .symbol_rate_min
= 1000000,
1339 .symbol_rate_max
= 45000000,
1340 .symbol_rate_tolerance
= 0
1343 static const struct dvbfe_info dvbs2_info
= {
1344 .name
= "STB0899 DVB-S2",
1345 .delivery
= DVBFE_DELSYS_DVBS2
,
1347 .dvbs2
.modulation
= DVBFE_MOD_QPSK
| DVBFE_MOD_8PSK
|
1348 DVBFE_MOD_16APSK
| DVBFE_MOD_32APSK
,
1350 .dvbs2
.fec
= DVBFE_FEC_1_4
| DVBFE_FEC_1_3
|
1351 DVBFE_FEC_2_5
| DVBFE_FEC_1_2
|
1352 DVBFE_FEC_3_5
| DVBFE_FEC_2_3
|
1353 DVBFE_FEC_3_4
| DVBFE_FEC_4_5
|
1354 DVBFE_FEC_5_6
| DVBFE_FEC_8_9
|
1358 .frequency_min
= 950000,
1359 .frequency_max
= 2150000,
1360 .frequency_step
= 0,
1361 .symbol_rate_min
= 1000000,
1362 .symbol_rate_max
= 45000000,
1363 .symbol_rate_tolerance
= 0
1366 static int stb0899_get_info(struct dvb_frontend
*fe
, struct dvbfe_info
*fe_info
)
1368 struct stb0899_state
*state
= fe
->demodulator_priv
;
1370 dprintk(verbose
, FE_DEBUG
, 1, "Get Info");
1372 state
->delsys
= fe_info
->delivery
;
1373 switch (state
->delsys
) {
1374 case DVBFE_DELSYS_DVBS
:
1375 dprintk(verbose
, FE_ERROR
, 1, "Querying DVB-S info");
1376 memcpy(fe_info
, &dvbs_info
, sizeof (struct dvbfe_info
));
1378 case DVBFE_DELSYS_DSS
:
1379 dprintk(verbose
, FE_ERROR
, 1, "Querying DSS info");
1380 memcpy(fe_info
, &dss_info
, sizeof (struct dvbfe_info
));
1382 case DVBFE_DELSYS_DVBS2
:
1383 dprintk(verbose
, FE_ERROR
, 1, "Querying DVB-S2 info");
1384 memcpy(fe_info
, &dvbs2_info
, sizeof (struct dvbfe_info
));
1387 dprintk(verbose
, FE_ERROR
, 1, "Unsupported delivery system");
1390 dprintk(verbose
, FE_DEBUG
, 1, "delivery system=%d", state
->delsys
);
1395 static int stb0899_get_delsys(struct dvb_frontend
*fe
, enum dvbfe_delsys
*fe_delsys
)
1397 *fe_delsys
= DVBFE_DELSYS_DVBS
| DVBFE_DELSYS_DSS
| DVBFE_DELSYS_DVBS2
;
1402 void stb0899_set_delsys(struct stb0899_state
*state
)
1407 stop_clk
[0] = stb0899_read_reg(state
, STB0899_STOPCLK1
);
1408 stop_clk
[1] = stb0899_read_reg(state
, STB0899_STOPCLK2
);
1410 switch (state
->delsys
) {
1411 case DVBFE_DELSYS_DVBS
:
1412 dprintk(verbose
, FE_DEBUG
, 1, "Delivery System -- DVB-S");
1413 /* FECM/Viterbi ON */
1414 reg
= stb0899_read_reg(state
, STB0899_FECM
);
1415 STB0899_SETFIELD_VAL(FECM_RSVD0
, reg
, 0);
1416 STB0899_SETFIELD_VAL(FECM_VITERBI_ON
, reg
, 1);
1417 stb0899_write_reg(state
, STB0899_FECM
, reg
);
1419 stb0899_write_reg(state
, STB0899_RSULC
, 0xb1);
1420 stb0899_write_reg(state
, STB0899_TSULC
, 0x40);
1421 stb0899_write_reg(state
, STB0899_RSLLC
, 0x42);
1422 stb0899_write_reg(state
, STB0899_TSLPL
, 0x12);
1424 reg
= stb0899_read_reg(state
, STB0899_TSTRES
);
1425 STB0899_SETFIELD_VAL(FRESLDPC
, reg
, 1);
1426 stb0899_write_reg(state
, STB0899_TSTRES
, reg
);
1428 STB0899_SETFIELD_VAL(STOP_CHK8PSK
, stop_clk
[0], 1);
1429 STB0899_SETFIELD_VAL(STOP_CKFEC108
, stop_clk
[0], 1);
1430 STB0899_SETFIELD_VAL(STOP_CKFEC216
, stop_clk
[0], 1);
1432 STB0899_SETFIELD_VAL(STOP_CKPKDLIN108
, stop_clk
[1], 1);
1433 STB0899_SETFIELD_VAL(STOP_CKPKDLIN216
, stop_clk
[1], 1);
1435 STB0899_SETFIELD_VAL(STOP_CKINTBUF216
, stop_clk
[0], 1);
1436 STB0899_SETFIELD_VAL(STOP_CKCORE216
, stop_clk
[0], 1);
1438 STB0899_SETFIELD_VAL(STOP_CKS2DMD108
, stop_clk
[1], 1);
1440 case DVBFE_DELSYS_DVBS2
:
1441 /* FECM/Viterbi OFF */
1442 reg
= stb0899_read_reg(state
, STB0899_FECM
);
1443 STB0899_SETFIELD_VAL(FECM_RSVD0
, reg
, 0);
1444 STB0899_SETFIELD_VAL(FECM_VITERBI_ON
, reg
, 0);
1445 stb0899_write_reg(state
, STB0899_FECM
, reg
);
1447 stb0899_write_reg(state
, STB0899_RSULC
, 0xb1);
1448 stb0899_write_reg(state
, STB0899_TSULC
, 0x42);
1449 stb0899_write_reg(state
, STB0899_RSLLC
, 0x40);
1450 stb0899_write_reg(state
, STB0899_TSLPL
, 0x02);
1452 reg
= stb0899_read_reg(state
, STB0899_TSTRES
);
1453 STB0899_SETFIELD_VAL(FRESLDPC
, reg
, 0);
1454 stb0899_write_reg(state
, STB0899_TSTRES
, reg
);
1456 STB0899_SETFIELD_VAL(STOP_CHK8PSK
, stop_clk
[0], 1);
1457 STB0899_SETFIELD_VAL(STOP_CKFEC108
, stop_clk
[0], 0);
1458 STB0899_SETFIELD_VAL(STOP_CKFEC216
, stop_clk
[0], 0);
1460 STB0899_SETFIELD_VAL(STOP_CKPKDLIN108
, stop_clk
[1], 0);
1461 STB0899_SETFIELD_VAL(STOP_CKPKDLIN216
, stop_clk
[1], 0);
1463 STB0899_SETFIELD_VAL(STOP_CKINTBUF216
, stop_clk
[0], 0);
1464 STB0899_SETFIELD_VAL(STOP_CKCORE216
, stop_clk
[0], 0);
1466 STB0899_SETFIELD_VAL(STOP_CKS2DMD108
, stop_clk
[1], 0);
1468 case DVBFE_DELSYS_DSS
:
1469 /* FECM/Viterbi ON */
1470 reg
= stb0899_read_reg(state
, STB0899_FECM
);
1471 STB0899_SETFIELD_VAL(FECM_RSVD0
, reg
, 1);
1472 STB0899_SETFIELD_VAL(FECM_VITERBI_ON
, reg
, 1);
1473 stb0899_write_reg(state
, STB0899_FECM
, reg
);
1475 stb0899_write_reg(state
, STB0899_RSULC
, 0xa1);
1476 stb0899_write_reg(state
, STB0899_TSULC
, 0x61);
1477 stb0899_write_reg(state
, STB0899_RSLLC
, 0x42);
1479 reg
= stb0899_read_reg(state
, STB0899_TSTRES
);
1480 STB0899_SETFIELD_VAL(FRESLDPC
, reg
, 1);
1481 stb0899_write_reg(state
, STB0899_TSTRES
, reg
);
1483 STB0899_SETFIELD_VAL(STOP_CHK8PSK
, stop_clk
[0], 1);
1484 STB0899_SETFIELD_VAL(STOP_CKFEC108
, stop_clk
[0], 1);
1485 STB0899_SETFIELD_VAL(STOP_CKFEC216
, stop_clk
[0], 1);
1487 STB0899_SETFIELD_VAL(STOP_CKPKDLIN108
, stop_clk
[1], 1);
1488 STB0899_SETFIELD_VAL(STOP_CKPKDLIN216
, stop_clk
[1], 1);
1490 STB0899_SETFIELD_VAL(STOP_CKCORE216
, stop_clk
[0], 0);
1492 STB0899_SETFIELD_VAL(STOP_CKS2DMD108
, stop_clk
[1], 1);
1495 dprintk(verbose
, FE_ERROR
, 1, "Unsupported delivery system");
1498 STB0899_SETFIELD_VAL(STOP_CKADCI108
, stop_clk
[0], 0);
1499 stb0899_write_regs(state
, STB0899_STOPCLK1
, stop_clk
, 2);
1503 * stb0899_set_iterations
1504 * set the LDPC iteration scale function
1506 static void stb0899_set_iterations(struct stb0899_state
*state
)
1508 struct stb0899_internal
*internal
= &state
->internal
;
1509 struct stb0899_config
*config
= state
->config
;
1514 iter_scale
= 17 * (internal
->master_clk
/ 1000);
1515 iter_scale
+= 410000;
1516 iter_scale
/= (internal
->srate
/ 1000000);
1519 if (iter_scale
> config
->ldpc_max_iter
)
1520 iter_scale
= config
->ldpc_max_iter
;
1522 reg
= STB0899_READ_S2REG(STB0899_S2DEMOD
, MAX_ITER
);
1523 STB0899_SETFIELD_VAL(MAX_ITERATIONS
, reg
, iter_scale
);
1524 stb0899_write_s2reg(state
, STB0899_S2DEMOD
, STB0899_BASE_MAX_ITER
, STB0899_OFF0_MAX_ITER
, reg
);
1527 static enum dvbfe_search
stb0899_search(struct dvb_frontend
*fe
, struct dvbfe_params
*params
)
1529 struct stb0899_state
*state
= fe
->demodulator_priv
;
1530 struct stb0899_params
*i_params
= &state
->params
;
1531 struct stb0899_internal
*internal
= &state
->internal
;
1533 u32 SearchRange
, gain
;
1535 switch (state
->delsys
) {
1536 case DVBFE_DELSYS_DVBS
:
1537 dprintk(verbose
, FE_ERROR
, 1, "set DVB-S params");
1538 i_params
->freq
= params
->frequency
;
1539 i_params
->srate
= params
->delsys
.dvbs
.symbol_rate
;
1541 case DVBFE_DELSYS_DSS
:
1542 dprintk(verbose
, FE_ERROR
, 1, "set DSS params");
1543 i_params
->freq
= params
->frequency
;
1544 i_params
->srate
= params
->delsys
.dss
.symbol_rate
;
1546 case DVBFE_DELSYS_DVBS2
:
1547 dprintk(verbose
, FE_ERROR
, 1, "set DVB-S2 params");
1548 i_params
->freq
= params
->frequency
;
1549 i_params
->srate
= params
->delsys
.dvbs2
.symbol_rate
;
1552 dprintk(verbose
, FE_ERROR
, 1, "Unsupported delivery system");
1555 dprintk(verbose
, FE_DEBUG
, 1, "delivery system=%d", state
->delsys
);
1557 SearchRange
= 3000000; /* Search Bandwidth (3 Mhz, was initially 10 Mhz) */
1558 // SearchRange = 10000000; /* Search Bandwidth (3 Mhz, was initially 10 Mhz) */
1559 dprintk(verbose
, FE_DEBUG
, 1, "Frequency=%d, Srate=%d", i_params
->freq
, i_params
->srate
);
1560 /* checking Search Range is meaningless for a fixed 3 Mhz */
1561 if (INRANGE(i_params
->srate
, 1000000, 45000000)) {
1562 dprintk(verbose
, FE_DEBUG
, 1, "Parameters IN RANGE");
1563 stb0899_set_delsys(state
);
1565 if (state
->config
->tuner_set_rfsiggain
) {
1566 if (internal
->srate
> 15000000)
1567 gain
= 8; /* 15Mb < srate < 45Mb, gain = 8dB */
1568 else if (internal
->srate
> 5000000)
1569 gain
= 12; /* 5Mb < srate < 15Mb, gain = 12dB */
1571 gain
= 14; /* 1Mb < srate < 5Mb, gain = 14db */
1572 state
->config
->tuner_set_rfsiggain(fe
, gain
);
1575 if (i_params
->srate
<= 5000000)
1576 stb0899_set_mclk(state
, 76500000);
1578 stb0899_set_mclk(state
, 90000000);
1580 switch (state
->delsys
) {
1581 case DVBFE_DELSYS_DVBS
:
1582 case DVBFE_DELSYS_DSS
:
1583 dprintk(verbose
, FE_DEBUG
, 1, "DVB-S delivery system");
1584 internal
->freq
= i_params
->freq
;
1585 internal
->srate
= i_params
->srate
;
1587 * search = user search range +
1589 * 2 * Tuner_step_size +
1590 * 10% of the symbol rate
1592 internal
->srch_range
= SearchRange
+ 1500000 + (i_params
->srate
/ 5);
1593 internal
->derot_percent
= 30;
1595 /* What to do for tuners having no bandwidth setup ? */
1596 if (state
->config
->tuner_set_bandwidth
)
1597 state
->config
->tuner_set_bandwidth(fe
, (135 * (stb0899_carr_width(state
) + SearchRange
)) / 100);
1598 if (state
->config
->tuner_get_bandwidth
)
1599 state
->config
->tuner_get_bandwidth(fe
, &internal
->tuner_bw
);
1600 /* Set DVB-S1 AGC */
1601 stb0899_write_reg(state
, STB0899_AGCRFCFG
, 0x11);
1603 /* Run the search algorithm */
1604 dprintk(verbose
, FE_DEBUG
, 1, "running DVB-S search algo ..");
1605 if (stb0899_dvbs_algo(state
) == RANGEOK
) {
1607 dprintk(verbose
, FE_DEBUG
, 1,
1608 "-------------------------------------> DVB-S LOCK !");
1610 // stb0899_write_reg(state, STB0899_ERRCTRL1, 0x3d); /* Viterbi Errors */
1611 // internal->v_status = stb0899_read_reg(state, STB0899_VSTATUS);
1612 // internal->err_ctrl = stb0899_read_reg(state, STB0899_ERRCTRL1);
1613 // dprintk(verbose, FE_DEBUG, 1, "VSTATUS=0x%02x", internal->v_status);
1614 // dprintk(verbose, FE_DEBUG, 1, "ERR_CTRL=0x%02x", internal->err_ctrl);
1616 return DVBFE_ALGO_SEARCH_SUCCESS
;
1620 return DVBFE_ALGO_SEARCH_FAILED
;
1623 case DVBFE_DELSYS_DVBS2
:
1624 internal
->freq
= i_params
->freq
;
1625 internal
->srate
= i_params
->srate
;
1626 internal
->srch_range
= SearchRange
;
1628 if (state
->config
->tuner_set_bandwidth
)
1629 state
->config
->tuner_set_bandwidth(fe
, (135 * (stb0899_carr_width(state
) + SearchRange
)) / 100);
1630 if (state
->config
->tuner_get_bandwidth
)
1631 state
->config
->tuner_get_bandwidth(fe
, &internal
->tuner_bw
);
1633 // pParams->SpectralInv = pSearch->IQ_Inversion;
1635 /* Set DVB-S2 AGC */
1636 stb0899_write_reg(state
, STB0899_AGCRFCFG
, 0x1c);
1638 /* Set IterScale =f(MCLK,SYMB) */
1639 stb0899_set_iterations(state
);
1641 /* Run the search algorithm */
1642 dprintk(verbose
, FE_DEBUG
, 1, "running DVB-S2 search algo ..");
1643 if (stb0899_dvbs2_algo(state
) == DVBS2_FEC_LOCK
) {
1645 dprintk(verbose
, FE_DEBUG
, 1,
1646 "-------------------------------------> DVB-S2 LOCK !");
1648 // stb0899_write_reg(state, STB0899_ERRCTRL1, 0xb6); /* Packet Errors */
1649 // internal->v_status = stb0899_read_reg(state, STB0899_VSTATUS);
1650 // internal->err_ctrl = stb0899_read_reg(state, STB0899_ERRCTRL1);
1652 return DVBFE_ALGO_SEARCH_SUCCESS
;
1656 return DVBFE_ALGO_SEARCH_FAILED
;
1660 dprintk(verbose
, FE_ERROR
, 1, "Unsupported delivery system");
1661 return DVBFE_ALGO_SEARCH_INVALID
;
1665 return DVBFE_ALGO_SEARCH_ERROR
;
1668 static enum stb0899_status
stb0899_track_carrier(struct stb0899_state
*state
)
1672 reg
= stb0899_read_reg(state
, STB0899_DSTATUS
);
1673 dprintk(verbose
, FE_DEBUG
, 1, "--------------------> STB0899_DSTATUS=[0x%02x]", reg
);
1674 if (STB0899_GETFIELD(CARRIER_FOUND
, reg
)) {
1675 dprintk(verbose
, FE_DEBUG
, 1, "-------------> CARRIEROK !");
1678 dprintk(verbose
, FE_DEBUG
, 1, "-------------> NOCARRIER !");
1685 static enum stb0899_status
stb0899_get_ifagc(struct stb0899_state
*state
)
1689 reg
= STB0899_READ_S2REG(STB0899_S2DEMOD
, DMD_STATUS
);
1690 dprintk(verbose
, FE_DEBUG
, 1, "DMD_STATUS=[0x%02x]", reg
);
1691 if (STB0899_GETFIELD(IF_AGC_LOCK
, reg
)) {
1692 dprintk(verbose
, FE_DEBUG
, 1, "------------->IF AGC LOCKED !");
1695 dprintk(verbose
, FE_DEBUG
, 1, "------------->IF AGC LOCK LOST !");
1702 static int stb0899_get_s1fec(struct stb0899_internal
*internal
, enum dvbfe_fec
*fec
)
1704 switch (internal
->fecrate
) {
1705 case STB0899_FEC_1_2
:
1706 *fec
= DVBFE_FEC_1_2
;
1708 case STB0899_FEC_2_3
:
1709 *fec
= DVBFE_FEC_2_3
;
1711 case STB0899_FEC_3_4
:
1712 *fec
= DVBFE_FEC_3_4
;
1714 case STB0899_FEC_5_6
:
1715 *fec
= DVBFE_FEC_5_6
;
1717 case STB0899_FEC_6_7
:
1718 *fec
= DVBFE_FEC_6_7
;
1720 case STB0899_FEC_7_8
:
1721 *fec
= DVBFE_FEC_7_8
;
1730 static int stb0899_get_modcod(struct stb0899_internal
*internal
, struct dvbs2_params
*params
)
1732 switch (internal
->modcod
) {
1733 case STB0899_DUMMY_PLF
:
1734 params
->modulation
= DVBFE_MOD_NONE
;
1735 params
->fec
= DVBFE_FEC_NONE
;
1737 case STB0899_QPSK_14
:
1738 params
->modulation
= DVBFE_MOD_QPSK
;
1739 params
->fec
= DVBFE_FEC_1_4
;
1741 case STB0899_QPSK_13
:
1742 params
->modulation
= DVBFE_MOD_QPSK
;
1743 params
->fec
= DVBFE_FEC_1_3
;
1745 case STB0899_QPSK_25
:
1746 params
->modulation
= DVBFE_MOD_QPSK
;
1747 params
->fec
= DVBFE_FEC_2_5
;
1749 case STB0899_QPSK_12
:
1750 params
->modulation
= DVBFE_MOD_QPSK
;
1751 params
->fec
= DVBFE_FEC_1_2
;
1753 case STB0899_QPSK_35
:
1754 params
->modulation
= DVBFE_MOD_QPSK
;
1755 params
->fec
= DVBFE_FEC_3_5
;
1757 case STB0899_QPSK_23
:
1758 params
->modulation
= DVBFE_MOD_QPSK
;
1759 params
->fec
= DVBFE_FEC_2_3
;
1761 case STB0899_QPSK_34
:
1762 params
->modulation
= DVBFE_MOD_QPSK
;
1763 params
->fec
= DVBFE_FEC_3_4
;
1765 case STB0899_QPSK_45
:
1766 params
->modulation
= DVBFE_MOD_QPSK
;
1767 params
->fec
= DVBFE_FEC_4_5
;
1769 case STB0899_QPSK_56
:
1770 params
->modulation
= DVBFE_MOD_QPSK
;
1771 params
->fec
= DVBFE_FEC_5_6
;
1773 case STB0899_QPSK_89
:
1774 params
->modulation
= DVBFE_MOD_QPSK
;
1775 params
->fec
= DVBFE_FEC_8_9
;
1777 case STB0899_QPSK_910
:
1778 params
->modulation
= DVBFE_MOD_QPSK
;
1779 params
->fec
= DVBFE_FEC_9_10
;
1781 case STB0899_8PSK_35
:
1782 params
->modulation
= DVBFE_MOD_8PSK
;
1783 params
->fec
= DVBFE_FEC_3_5
;
1785 case STB0899_8PSK_23
:
1786 params
->modulation
= DVBFE_MOD_8PSK
;
1787 params
->fec
= DVBFE_FEC_2_3
;
1789 case STB0899_8PSK_34
:
1790 params
->modulation
= DVBFE_MOD_8PSK
;
1791 params
->fec
= DVBFE_FEC_3_4
;
1793 case STB0899_8PSK_56
:
1794 params
->modulation
= DVBFE_MOD_8PSK
;
1795 params
->fec
= DVBFE_FEC_5_6
;
1797 case STB0899_8PSK_89
:
1798 params
->modulation
= DVBFE_MOD_8PSK
;
1799 params
->fec
= DVBFE_FEC_8_9
;
1801 case STB0899_8PSK_910
:
1802 params
->modulation
= DVBFE_MOD_8PSK
;
1803 params
->fec
= DVBFE_FEC_9_10
;
1805 case STB0899_16APSK_23
:
1806 params
->modulation
= DVBFE_MOD_16APSK
;
1807 params
->fec
= DVBFE_FEC_2_3
;
1809 case STB0899_16APSK_34
:
1810 params
->modulation
= DVBFE_MOD_16APSK
;
1811 params
->fec
= DVBFE_FEC_3_4
;
1813 case STB0899_16APSK_45
:
1814 params
->modulation
= DVBFE_MOD_16APSK
;
1815 params
->fec
= DVBFE_FEC_4_5
;
1817 case STB0899_16APSK_56
:
1818 params
->modulation
= DVBFE_MOD_16APSK
;
1819 params
->fec
= DVBFE_FEC_5_6
;
1821 case STB0899_16APSK_89
:
1822 params
->modulation
= DVBFE_MOD_16APSK
;
1823 params
->fec
= DVBFE_FEC_8_9
;
1825 case STB0899_16APSK_910
:
1826 params
->modulation
= DVBFE_MOD_16APSK
;
1827 params
->fec
= DVBFE_FEC_9_10
;
1829 case STB0899_32APSK_34
:
1830 params
->modulation
= DVBFE_MOD_32APSK
;
1831 params
->fec
= DVBFE_FEC_3_4
;
1833 case STB0899_32APSK_45
:
1834 params
->modulation
= DVBFE_MOD_32APSK
;
1835 params
->fec
= DVBFE_FEC_4_5
;
1837 case STB0899_32APSK_56
:
1838 params
->modulation
= DVBFE_MOD_32APSK
;
1839 params
->fec
= DVBFE_FEC_5_6
;
1841 case STB0899_32APSK_89
:
1842 params
->modulation
= DVBFE_MOD_32APSK
;
1843 params
->fec
= DVBFE_FEC_8_9
;
1845 case STB0899_32APSK_910
:
1846 params
->modulation
= DVBFE_MOD_32APSK
;
1847 params
->fec
= DVBFE_FEC_9_10
;
1858 * periodically check the signal level against a specified
1859 * threshold level and perform derotator centering.
1860 * called once we have a lock from a succesful search
1863 * Will be called periodically called to maintain the
1866 * Will be used to get parameters as well as info from
1867 * the decoded baseband header
1869 * Once a new lock has established, the internal state
1870 * frequency (internal->freq) is updated
1872 static int stb0899_track(struct dvb_frontend
*fe
, struct dvbfe_params
*params
, int *delay
)
1876 struct stb0899_state
*state
= fe
->demodulator_priv
;
1877 struct stb0899_internal
*internal
= &state
->internal
;
1885 static int stb0899_get_params(struct dvb_frontend
*fe
, struct dvbfe_params
*params
)
1887 struct stb0899_state
*state
= fe
->demodulator_priv
;
1888 struct stb0899_internal
*internal
= &state
->internal
;
1890 params
->frequency
= internal
->freq
;
1891 params
->inversion
= internal
->inversion
;
1892 params
->delivery
= state
->delsys
;
1893 switch (state
->delsys
) {
1894 case DVBFE_DELSYS_DVBS
:
1895 dprintk(verbose
, FE_DEBUG
, 1, "Get DVB-S params");
1896 params
->delsys
.dvbs
.symbol_rate
= internal
->srate
;
1897 params
->delsys
.dvbs
.modulation
= DVBFE_MOD_QPSK
;
1899 case DVBFE_DELSYS_DSS
:
1900 dprintk(verbose
, FE_DEBUG
, 1, "Get DSS params");
1901 params
->delsys
.dss
.symbol_rate
= internal
->srate
;
1902 params
->delsys
.dss
.modulation
= DVBFE_MOD_QPSK
;
1904 case DVBFE_DELSYS_DVBS2
:
1905 dprintk(verbose
, FE_DEBUG
, 1, "Get DVB-S2 params");
1906 params
->delsys
.dvbs2
.symbol_rate
= internal
->srate
;
1909 dprintk(verbose
, FE_ERROR
, 1, "Unsupported delivery system");
1916 static enum dvbfe_algo
stb0899_frontend_algo(struct dvb_frontend
*fe
)
1918 return DVBFE_ALGO_CUSTOM
;
1921 static struct dvb_frontend_ops stb0899_ops
= {
1924 .name
= "STB0899 Multistandard",
1927 .release
= stb0899_release
,
1928 .init
= stb0899_init
,
1929 .sleep
= stb0899_sleep
,
1930 // .wakeup = stb0899_wakeup,
1932 .i2c_gate_ctrl
= stb0899_i2c_gate_ctrl
,
1933 .get_info
= stb0899_get_info
,
1934 .get_delsys
= stb0899_get_delsys
,
1936 .get_frontend_algo
= stb0899_frontend_algo
,
1937 .search
= stb0899_search
,
1938 .track
= stb0899_track
,
1939 .get_params
= stb0899_get_params
,
1941 .read_status
= stb0899_read_status
,
1942 .read_snr
= stb0899_read_snr
,
1943 .read_signal_strength
= stb0899_read_signal_strength
,
1944 .read_status
= stb0899_read_status
,
1945 .read_ber
= stb0899_read_ber
,
1947 .set_voltage
= stb0899_set_voltage
,
1948 .set_tone
= stb0899_set_tone
,
1950 .diseqc_send_master_cmd
= stb0899_send_diseqc_msg
,
1951 .diseqc_recv_slave_reply
= stb0899_recv_slave_reply
,
1952 .diseqc_send_burst
= stb0899_send_diseqc_burst
,
1955 struct dvb_frontend
*stb0899_attach(struct stb0899_config
*config
, struct i2c_adapter
*i2c
)
1957 struct stb0899_state
*state
= NULL
;
1958 enum stb0899_inversion inversion
;
1960 state
= kzalloc(sizeof (struct stb0899_state
), GFP_KERNEL
);
1964 inversion
= config
->inversion
;
1965 state
->verbose
= verbose
;
1966 state
->config
= config
;
1968 state
->frontend
.ops
= stb0899_ops
;
1969 state
->frontend
.demodulator_priv
= state
;
1970 state
->internal
.inversion
= inversion
;
1972 stb0899_wakeup(&state
->frontend
);
1973 if (stb0899_get_dev_id(state
) == -ENODEV
) {
1974 printk("%s: Exiting .. !\n", __func__
);
1978 printk("%s: Attaching STB0899 \n", __func__
);
1979 return &state
->frontend
;
1985 EXPORT_SYMBOL(stb0899_attach
);
1986 MODULE_PARM_DESC(verbose
, "Set Verbosity level");
1987 MODULE_AUTHOR("Manu Abraham");
1988 MODULE_DESCRIPTION("STB0899 Multi-Std frontend");
1989 MODULE_LICENSE("GPL");