3 Frontend/Card driver for TwinHan DST Frontend
4 Copyright (C) 2003 Jamie Honan
5 Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
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.
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/init.h>
26 #include <linux/string.h>
27 #include <linux/slab.h>
28 #include <linux/vmalloc.h>
29 #include <linux/delay.h>
30 #include <asm/div64.h>
32 #include "dvb_frontend.h"
34 #include "dst_common.h"
37 static unsigned int verbose
= 1;
38 module_param(verbose
, int, 0644);
39 MODULE_PARM_DESC(verbose
, "verbose startup messages, default is 1 (yes)");
41 static unsigned int debug
= 1;
42 module_param(debug
, int, 0644);
43 MODULE_PARM_DESC(debug
, "debug messages, default is 0 (yes)");
45 static unsigned int dst_addons
;
46 module_param(dst_addons
, int, 0644);
47 MODULE_PARM_DESC(dst_addons
, "CA daughterboard, default is 0 (no)");
49 static unsigned int new_fw
;
50 module_param(new_fw
, int, 0644);
51 MODULE_PARM_DESC(new_fw
, "Support for the new interface firmware, default 0");
55 #define dprintk if (debug) printk
58 #define ATTEMPT_TUNE 2
61 static void dst_packsize(struct dst_state
* state
, int psize
)
63 union dst_gpio_packet bits
;
66 bt878_device_control(state
->bt
, DST_IG_TS
, &bits
);
69 int dst_gpio_outb(struct dst_state
* state
, u32 mask
, u32 enbb
, u32 outhigh
, int delay
)
71 union dst_gpio_packet enb
;
72 union dst_gpio_packet bits
;
76 enb
.enb
.enable
= enbb
;
78 dprintk("%s: mask=[%04x], enbb=[%04x], outhigh=[%04x]\n", __FUNCTION__
, mask
, enbb
, outhigh
);
80 if ((err
= bt878_device_control(state
->bt
, DST_IG_ENABLE
, &enb
)) < 0) {
81 dprintk("%s: dst_gpio_enb error (err == %i, mask == %02x, enb == %02x)\n", __FUNCTION__
, err
, mask
, enbb
);
85 /* because complete disabling means no output, no need to do output packet */
92 bits
.outp
.mask
= enbb
;
93 bits
.outp
.highvals
= outhigh
;
95 if ((err
= bt878_device_control(state
->bt
, DST_IG_WRITE
, &bits
)) < 0) {
96 dprintk("%s: dst_gpio_outb error (err == %i, enbb == %02x, outhigh == %02x)\n", __FUNCTION__
, err
, enbb
, outhigh
);
101 EXPORT_SYMBOL(dst_gpio_outb
);
103 int dst_gpio_inb(struct dst_state
*state
, u8
* result
)
105 union dst_gpio_packet rd_packet
;
110 if ((err
= bt878_device_control(state
->bt
, DST_IG_READ
, &rd_packet
)) < 0) {
111 dprintk("%s: dst_gpio_inb error (err == %i)\n", __FUNCTION__
, err
);
115 *result
= (u8
) rd_packet
.rd
.value
;
118 EXPORT_SYMBOL(dst_gpio_inb
);
120 int rdc_reset_state(struct dst_state
*state
)
123 dprintk("%s: Resetting state machine\n", __FUNCTION__
);
125 if (dst_gpio_outb(state
, RDC_8820_INT
, RDC_8820_INT
, 0, NO_DELAY
) < 0) {
126 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__
);
132 if (dst_gpio_outb(state
, RDC_8820_INT
, RDC_8820_INT
, RDC_8820_INT
, NO_DELAY
) < 0) {
133 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__
);
140 EXPORT_SYMBOL(rdc_reset_state
);
142 int rdc_8820_reset(struct dst_state
*state
)
145 dprintk("%s: Resetting DST\n", __FUNCTION__
);
147 if (dst_gpio_outb(state
, RDC_8820_RESET
, RDC_8820_RESET
, 0, NO_DELAY
) < 0) {
148 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__
);
152 if (dst_gpio_outb(state
, RDC_8820_RESET
, RDC_8820_RESET
, RDC_8820_RESET
, DELAY
) < 0) {
153 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__
);
159 EXPORT_SYMBOL(rdc_8820_reset
);
161 int dst_pio_enable(struct dst_state
*state
)
163 if (dst_gpio_outb(state
, ~0, RDC_8820_PIO_0_ENABLE
, 0, NO_DELAY
) < 0) {
164 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__
);
170 EXPORT_SYMBOL(dst_pio_enable
);
172 int dst_pio_disable(struct dst_state
*state
)
174 if (dst_gpio_outb(state
, ~0, RDC_8820_PIO_0_DISABLE
, RDC_8820_PIO_0_DISABLE
, NO_DELAY
) < 0) {
175 dprintk("%s: dst_gpio_outb ERROR !\n", __FUNCTION__
);
178 if (state
->type_flags
& DST_TYPE_HAS_FW_1
)
183 EXPORT_SYMBOL(dst_pio_disable
);
185 int dst_wait_dst_ready(struct dst_state
*state
, u8 delay_mode
)
190 for (i
= 0; i
< 200; i
++) {
191 if (dst_gpio_inb(state
, &reply
) < 0) {
192 dprintk("%s: dst_gpio_inb ERROR !\n", __FUNCTION__
);
196 if ((reply
& RDC_8820_PIO_0_ENABLE
) == 0) {
198 dprintk("%s: dst wait ready after %d\n", __FUNCTION__
, i
);
204 dprintk("%s: dst wait NOT ready after %d\n", __FUNCTION__
, i
);
208 EXPORT_SYMBOL(dst_wait_dst_ready
);
210 int dst_error_recovery(struct dst_state
*state
)
212 dprintk("%s: Trying to return from previous errors...\n", __FUNCTION__
);
213 dst_pio_disable(state
);
215 dst_pio_enable(state
);
220 EXPORT_SYMBOL(dst_error_recovery
);
222 int dst_error_bailout(struct dst_state
*state
)
224 dprintk("%s: Trying to bailout from previous error...\n", __FUNCTION__
);
225 rdc_8820_reset(state
);
226 dst_pio_disable(state
);
231 EXPORT_SYMBOL(dst_error_bailout
);
234 int dst_comm_init(struct dst_state
* state
)
237 dprintk ("%s: Initializing DST..\n", __FUNCTION__
);
238 if ((dst_pio_enable(state
)) < 0) {
239 dprintk("%s: PIO Enable Failed.\n", __FUNCTION__
);
242 if ((rdc_reset_state(state
)) < 0) {
243 dprintk("%s: RDC 8820 State RESET Failed.\n", __FUNCTION__
);
246 if (state
->type_flags
& DST_TYPE_HAS_FW_1
)
253 EXPORT_SYMBOL(dst_comm_init
);
256 int write_dst(struct dst_state
*state
, u8
*data
, u8 len
)
258 struct i2c_msg msg
= {
259 .addr
= state
->config
->demod_address
,.flags
= 0,.buf
= data
,.len
= len
264 if (debug
&& (verbose
> 4)) {
267 dprintk("%s writing", __FUNCTION__
);
268 for (i
= 0; i
< len
; i
++)
269 dprintk(" %02x", data
[i
]);
273 for (cnt
= 0; cnt
< 2; cnt
++) {
274 if ((err
= i2c_transfer(state
->i2c
, &msg
, 1)) < 0) {
275 dprintk("%s: _write_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n", __FUNCTION__
, err
, len
, data
[0]);
276 dst_error_recovery(state
);
284 printk("%s: RDC 8820 RESET...\n", __FUNCTION__
);
285 dst_error_bailout(state
);
292 EXPORT_SYMBOL(write_dst
);
294 int read_dst(struct dst_state
*state
, u8
* ret
, u8 len
)
296 struct i2c_msg msg
= {.addr
= state
->config
->demod_address
,.flags
= I2C_M_RD
,.buf
= ret
,.len
= len
};
300 for (cnt
= 0; cnt
< 2; cnt
++) {
301 if ((err
= i2c_transfer(state
->i2c
, &msg
, 1)) < 0) {
303 dprintk("%s: read_dst error (err == %i, len == 0x%02x, b0 == 0x%02x)\n", __FUNCTION__
, err
, len
, ret
[0]);
304 dst_error_recovery(state
);
312 printk("%s: RDC 8820 RESET...\n", __FUNCTION__
);
313 dst_error_bailout(state
);
317 if (debug
&& (verbose
> 4)) {
318 dprintk("%s reply is 0x%x\n", __FUNCTION__
, ret
[0]);
319 for (err
= 1; err
< len
; err
++)
320 dprintk(" 0x%x", ret
[err
]);
327 EXPORT_SYMBOL(read_dst
);
329 static int dst_set_freq(struct dst_state
*state
, u32 freq
)
333 state
->frequency
= freq
;
335 dprintk("%s: set Frequency %u\n", __FUNCTION__
, freq
);
337 if (state
->dst_type
== DST_TYPE_IS_SAT
) {
339 if (freq
< 950 || freq
> 2150)
341 val
= &state
->tx_tuna
[0];
342 val
[2] = (freq
>> 8) & 0x7f;
348 } else if (state
->dst_type
== DST_TYPE_IS_TERR
) {
350 if (freq
< 137000 || freq
> 858000)
352 val
= &state
->tx_tuna
[0];
353 val
[2] = (freq
>> 16) & 0xff;
354 val
[3] = (freq
>> 8) & 0xff;
357 switch (state
->bandwidth
) {
358 case BANDWIDTH_6_MHZ
:
362 case BANDWIDTH_7_MHZ
:
367 case BANDWIDTH_8_MHZ
:
374 } else if (state
->dst_type
== DST_TYPE_IS_CABLE
) {
375 /* guess till will get one */
377 val
= &state
->tx_tuna
[0];
378 val
[2] = (freq
>> 16) & 0xff;
379 val
[3] = (freq
>> 8) & 0xff;
386 static int dst_set_bandwidth(struct dst_state
* state
, fe_bandwidth_t bandwidth
)
390 state
->bandwidth
= bandwidth
;
392 if (state
->dst_type
!= DST_TYPE_IS_TERR
)
395 val
= &state
->tx_tuna
[0];
397 case BANDWIDTH_6_MHZ
:
401 case BANDWIDTH_7_MHZ
:
405 case BANDWIDTH_8_MHZ
:
415 static int dst_set_inversion(struct dst_state
* state
, fe_spectral_inversion_t inversion
)
419 state
->inversion
= inversion
;
421 val
= &state
->tx_tuna
[0];
437 static int dst_set_fec(struct dst_state
* state
, fe_code_rate_t fec
)
443 static fe_code_rate_t
dst_get_fec(struct dst_state
* state
)
448 static int dst_set_symbolrate(struct dst_state
* state
, u32 srate
)
454 state
->symbol_rate
= srate
;
456 if (state
->dst_type
== DST_TYPE_IS_TERR
) {
460 dprintk("%s: set symrate %u\n", __FUNCTION__
, srate
);
462 val
= &state
->tx_tuna
[0];
464 if (state
->type_flags
& DST_TYPE_HAS_SYMDIV
) {
468 symcalc
= (u32
) sval
;
471 dprintk("%s: set symcalc %u\n", __FUNCTION__
, symcalc
);
473 val
[5] = (u8
) (symcalc
>> 12);
474 val
[6] = (u8
) (symcalc
>> 4);
475 val
[7] = (u8
) (symcalc
<< 4);
477 val
[5] = (u8
) (srate
>> 16) & 0x7f;
478 val
[6] = (u8
) (srate
>> 8);
487 u8
dst_check_sum(u8
* buf
, u32 len
)
493 for (i
= 0; i
< len
; i
++) {
498 EXPORT_SYMBOL(dst_check_sum
);
500 static void dst_type_flags_print(u32 type_flags
)
502 printk("DST type flags :");
503 if (type_flags
& DST_TYPE_HAS_NEWTUNE
)
504 printk(" 0x%x newtuner", DST_TYPE_HAS_NEWTUNE
);
505 if (type_flags
& DST_TYPE_HAS_TS204
)
506 printk(" 0x%x ts204", DST_TYPE_HAS_TS204
);
507 if (type_flags
& DST_TYPE_HAS_SYMDIV
)
508 printk(" 0x%x symdiv", DST_TYPE_HAS_SYMDIV
);
509 if (type_flags
& DST_TYPE_HAS_FW_1
)
510 printk(" 0x%x firmware version = 1", DST_TYPE_HAS_FW_1
);
511 if (type_flags
& DST_TYPE_HAS_FW_2
)
512 printk(" 0x%x firmware version = 2", DST_TYPE_HAS_FW_2
);
513 if (type_flags
& DST_TYPE_HAS_FW_3
)
514 printk(" 0x%x firmware version = 3", DST_TYPE_HAS_FW_3
);
515 // if ((type_flags & DST_TYPE_HAS_FW_BUILD) && new_fw)
521 static int dst_type_print (u8 type
)
525 case DST_TYPE_IS_SAT
:
529 case DST_TYPE_IS_TERR
:
530 otype
= "terrestrial";
533 case DST_TYPE_IS_CABLE
:
538 printk("%s: invalid dst type %d\n", __FUNCTION__
, type
);
541 printk("DST type : %s\n", otype
);
551 VP-1020 DST-MOT LG(old), TS=188
553 VP-1020 DST-03T LG(new), TS=204
554 VP-1022 DST-03T LG(new), TS=204
555 VP-1025 DST-03T LG(new), TS=204
557 VP-1030 DSTMCI, LG(new), TS=188
558 VP-1032 DSTMCI, LG(new), TS=188
562 VP-2030 DCT-CI, Samsung, TS=204
563 VP-2021 DCT-CI, Unknown, TS=204
564 VP-2031 DCT-CI, Philips, TS=188
565 VP-2040 DCT-CI, Philips, TS=188, with CA daughter board
566 VP-2040 DCT-CI, Philips, TS=204, without CA daughter board
570 VP-3050 DTTNXT TS=188
571 VP-3040 DTT-CI, Philips, TS=188
572 VP-3040 DTT-CI, Philips, TS=204
576 VP-3220 ATSCDI, TS=188
577 VP-3250 ATSCAD, TS=188
581 struct dst_types dst_tlist
[] = {
583 .device_id
= "200103A",
585 .dst_type
= DST_TYPE_IS_SAT
,
586 .type_flags
= DST_TYPE_HAS_SYMDIV
| DST_TYPE_HAS_FW_1
,
591 .device_id
= "DST-020",
593 .dst_type
= DST_TYPE_IS_SAT
,
594 .type_flags
= DST_TYPE_HAS_SYMDIV
| DST_TYPE_HAS_FW_1
,
599 .device_id
= "DST-030",
601 .dst_type
= DST_TYPE_IS_SAT
,
602 .type_flags
= DST_TYPE_HAS_TS204
| DST_TYPE_HAS_NEWTUNE
| DST_TYPE_HAS_FW_1
,
607 .device_id
= "DST-03T",
609 .dst_type
= DST_TYPE_IS_SAT
,
610 .type_flags
= DST_TYPE_HAS_SYMDIV
| DST_TYPE_HAS_TS204
| DST_TYPE_HAS_FW_2
,
611 .dst_feature
= DST_TYPE_HAS_DISEQC3
| DST_TYPE_HAS_DISEQC4
| DST_TYPE_HAS_DISEQC5
612 | DST_TYPE_HAS_MAC
| DST_TYPE_HAS_MOTO
616 .device_id
= "DST-MOT",
618 .dst_type
= DST_TYPE_IS_SAT
,
619 .type_flags
= DST_TYPE_HAS_SYMDIV
| DST_TYPE_HAS_FW_1
,
624 .device_id
= "DST-CI",
626 .dst_type
= DST_TYPE_IS_SAT
,
627 .type_flags
= DST_TYPE_HAS_TS204
| DST_TYPE_HAS_NEWTUNE
| DST_TYPE_HAS_FW_1
,
628 .dst_feature
= DST_TYPE_HAS_CA
629 }, /* An OEM board */
632 .device_id
= "DSTMCI",
634 .dst_type
= DST_TYPE_IS_SAT
,
635 .type_flags
= DST_TYPE_HAS_NEWTUNE
| DST_TYPE_HAS_FW_2
| DST_TYPE_HAS_FW_BUILD
,
636 .dst_feature
= DST_TYPE_HAS_CA
| DST_TYPE_HAS_DISEQC3
| DST_TYPE_HAS_DISEQC4
637 | DST_TYPE_HAS_MOTO
| DST_TYPE_HAS_MAC
641 .device_id
= "DSTFCI",
643 .dst_type
= DST_TYPE_IS_SAT
,
644 .type_flags
= DST_TYPE_HAS_NEWTUNE
| DST_TYPE_HAS_FW_1
,
646 }, /* unknown to vendor */
649 .device_id
= "DCT-CI",
651 .dst_type
= DST_TYPE_IS_CABLE
,
652 .type_flags
= DST_TYPE_HAS_TS204
| DST_TYPE_HAS_NEWTUNE
| DST_TYPE_HAS_FW_1
653 | DST_TYPE_HAS_FW_2
| DST_TYPE_HAS_FW_BUILD
,
654 .dst_feature
= DST_TYPE_HAS_CA
658 .device_id
= "DCTNEW",
660 .dst_type
= DST_TYPE_IS_CABLE
,
661 .type_flags
= DST_TYPE_HAS_NEWTUNE
| DST_TYPE_HAS_FW_3
,
666 .device_id
= "DTT-CI",
668 .dst_type
= DST_TYPE_IS_TERR
,
669 .type_flags
= DST_TYPE_HAS_TS204
| DST_TYPE_HAS_FW_2
| DST_TYPE_HAS_FW_BUILD
,
674 .device_id
= "DTTDIG",
676 .dst_type
= DST_TYPE_IS_TERR
,
677 .type_flags
= DST_TYPE_HAS_FW_2
,
682 .device_id
= "DTTNXT",
684 .dst_type
= DST_TYPE_IS_TERR
,
685 .type_flags
= DST_TYPE_HAS_FW_2
,
686 .dst_feature
= DST_TYPE_HAS_ANALOG
690 .device_id
= "ATSCDI",
692 .dst_type
= DST_TYPE_IS_ATSC
,
693 .type_flags
= DST_TYPE_HAS_FW_2
,
698 .device_id
= "ATSCAD",
700 .dst_type
= DST_TYPE_IS_ATSC
,
701 .type_flags
= DST_TYPE_HAS_FW_2
,
710 static int dst_get_device_id(struct dst_state
*state
)
715 struct dst_types
*p_dst_type
;
717 u32 use_type_flags
= 0;
719 static u8 device_type
[8] = {0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff};
721 device_type
[7] = dst_check_sum(device_type
, 7);
723 if (write_dst(state
, device_type
, FIXED_COMM
))
724 return -1; /* Write failed */
726 if ((dst_pio_disable(state
)) < 0)
729 if (read_dst(state
, &reply
, GET_ACK
))
730 return -1; /* Read failure */
733 dprintk("%s: Write not Acknowledged! [Reply=0x%02x]\n", __FUNCTION__
, reply
);
734 return -1; /* Unack'd write */
737 if (!dst_wait_dst_ready(state
, DEVICE_INIT
))
738 return -1; /* DST not ready yet */
740 if (read_dst(state
, state
->rxbuffer
, FIXED_COMM
))
743 dst_pio_disable(state
);
745 if (state
->rxbuffer
[7] != dst_check_sum(state
->rxbuffer
, 7)) {
746 dprintk("%s: Checksum failure! \n", __FUNCTION__
);
747 return -1; /* Checksum failure */
750 state
->rxbuffer
[7] = '\0';
752 for (i
= 0, p_dst_type
= dst_tlist
; i
< ARRAY_SIZE (dst_tlist
); i
++, p_dst_type
++) {
753 if (!strncmp (&state
->rxbuffer
[p_dst_type
->offset
], p_dst_type
->device_id
, strlen (p_dst_type
->device_id
))) {
754 use_type_flags
= p_dst_type
->type_flags
;
755 use_dst_type
= p_dst_type
->dst_type
;
757 /* Card capabilities */
758 state
->dst_hw_cap
= p_dst_type
->dst_feature
;
759 printk ("%s: Recognise [%s]\n", __FUNCTION__
, p_dst_type
->device_id
);
765 if (i
>= sizeof (dst_tlist
) / sizeof (dst_tlist
[0])) {
766 printk("%s: Unable to recognize %s or %s\n", __FUNCTION__
, &state
->rxbuffer
[0], &state
->rxbuffer
[1]);
767 printk("%s: please email linux-dvb@linuxtv.org with this type in\n", __FUNCTION__
);
768 use_dst_type
= DST_TYPE_IS_SAT
;
769 use_type_flags
= DST_TYPE_HAS_SYMDIV
;
772 dst_type_print(use_dst_type
);
773 state
->type_flags
= use_type_flags
;
774 state
->dst_type
= use_dst_type
;
775 dst_type_flags_print(state
->type_flags
);
777 if (state
->type_flags
& DST_TYPE_HAS_TS204
) {
778 dst_packsize(state
, 204);
784 static int dst_probe(struct dst_state
*state
)
786 if ((rdc_8820_reset(state
)) < 0) {
787 dprintk("%s: RDC 8820 RESET Failed.\n", __FUNCTION__
);
791 if ((dst_comm_init(state
)) < 0) {
792 dprintk("%s: DST Initialization Failed.\n", __FUNCTION__
);
796 if (dst_get_device_id(state
) < 0) {
797 dprintk("%s: unknown device.\n", __FUNCTION__
);
804 int dst_command(struct dst_state
* state
, u8
* data
, u8 len
)
807 if ((dst_comm_init(state
)) < 0) {
808 dprintk("%s: DST Communication Initialization Failed.\n", __FUNCTION__
);
812 if (write_dst(state
, data
, len
)) {
814 dprintk("%s: Tring to recover.. \n", __FUNCTION__
);
815 if ((dst_error_recovery(state
)) < 0) {
816 dprintk("%s: Recovery Failed.\n", __FUNCTION__
);
821 if ((dst_pio_disable(state
)) < 0) {
822 dprintk("%s: PIO Disable Failed.\n", __FUNCTION__
);
825 if (state
->type_flags
& DST_TYPE_HAS_FW_1
)
828 if (read_dst(state
, &reply
, GET_ACK
)) {
830 dprintk("%s: Trying to recover.. \n", __FUNCTION__
);
831 if ((dst_error_recovery(state
)) < 0) {
832 dprintk("%s: Recovery Failed.\n", __FUNCTION__
);
839 dprintk("%s: write not acknowledged 0x%02x \n", __FUNCTION__
, reply
);
842 if (len
>= 2 && data
[0] == 0 && (data
[1] == 1 || data
[1] == 3))
846 if (state
->type_flags
& DST_TYPE_HAS_FW_1
)
851 if (!dst_wait_dst_ready(state
, NO_DELAY
))
854 if (read_dst(state
, state
->rxbuffer
, FIXED_COMM
)) {
856 dprintk("%s: Trying to recover.. \n", __FUNCTION__
);
857 if ((dst_error_recovery(state
)) < 0) {
858 dprintk("%s: Recovery failed.\n", __FUNCTION__
);
864 if (state
->rxbuffer
[7] != dst_check_sum(state
->rxbuffer
, 7)) {
865 dprintk("%s: checksum failure\n", __FUNCTION__
);
871 EXPORT_SYMBOL(dst_command
);
873 static int dst_get_signal(struct dst_state
* state
)
876 u8 get_signal
[] = { 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb };
878 if ((state
->diseq_flags
& ATTEMPT_TUNE
) == 0) {
879 state
->decode_lock
= state
->decode_strength
= state
->decode_snr
= 0;
882 if (0 == (state
->diseq_flags
& HAS_LOCK
)) {
883 state
->decode_lock
= state
->decode_strength
= state
->decode_snr
= 0;
886 if (time_after_eq(jiffies
, state
->cur_jiff
+ (HZ
/ 5))) {
887 retval
= dst_command(state
, get_signal
, 8);
890 if (state
->dst_type
== DST_TYPE_IS_SAT
) {
891 state
->decode_lock
= ((state
->rxbuffer
[6] & 0x10) == 0) ? 1 : 0;
892 state
->decode_strength
= state
->rxbuffer
[5] << 8;
893 state
->decode_snr
= state
->rxbuffer
[2] << 8 | state
->rxbuffer
[3];
894 } else if ((state
->dst_type
== DST_TYPE_IS_TERR
) || (state
->dst_type
== DST_TYPE_IS_CABLE
)) {
895 state
->decode_lock
= (state
->rxbuffer
[1]) ? 1 : 0;
896 state
->decode_strength
= state
->rxbuffer
[4] << 8;
897 state
->decode_snr
= state
->rxbuffer
[3] << 8;
899 state
->cur_jiff
= jiffies
;
904 static int dst_tone_power_cmd(struct dst_state
* state
)
906 u8 paket
[8] = { 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00 };
908 if (state
->dst_type
== DST_TYPE_IS_TERR
)
911 if (state
->voltage
== SEC_VOLTAGE_OFF
)
916 if (state
->tone
== SEC_TONE_ON
)
920 if (state
->minicmd
== SEC_MINI_A
)
925 paket
[7] = dst_check_sum (paket
, 7);
926 dst_command(state
, paket
, 8);
930 static int dst_get_tuna(struct dst_state
* state
)
934 if ((state
->diseq_flags
& ATTEMPT_TUNE
) == 0)
937 state
->diseq_flags
&= ~(HAS_LOCK
);
938 if (!dst_wait_dst_ready(state
, NO_DELAY
))
941 if (state
->type_flags
& DST_TYPE_HAS_NEWTUNE
) {
942 /* how to get variable length reply ???? */
943 retval
= read_dst(state
, state
->rx_tuna
, 10);
945 retval
= read_dst(state
, &state
->rx_tuna
[2], FIXED_COMM
);
949 dprintk("%s: read not successful\n", __FUNCTION__
);
953 if (state
->type_flags
& DST_TYPE_HAS_NEWTUNE
) {
954 if (state
->rx_tuna
[9] != dst_check_sum(&state
->rx_tuna
[0], 9)) {
955 dprintk("%s: checksum failure?\n", __FUNCTION__
);
959 if (state
->rx_tuna
[9] != dst_check_sum(&state
->rx_tuna
[2], 7)) {
960 dprintk("%s: checksum failure?\n", __FUNCTION__
);
964 if (state
->rx_tuna
[2] == 0 && state
->rx_tuna
[3] == 0)
966 state
->decode_freq
= ((state
->rx_tuna
[2] & 0x7f) << 8) + state
->rx_tuna
[3];
968 state
->decode_lock
= 1;
970 dst->decode_n1 = (dst->rx_tuna[4] << 8) +
973 dst->decode_n2 = (dst->rx_tuna[8] << 8) +
976 state
->diseq_flags
|= HAS_LOCK
;
977 /* dst->cur_jiff = jiffies; */
981 static int dst_set_voltage(struct dvb_frontend
* fe
, fe_sec_voltage_t voltage
);
983 static int dst_write_tuna(struct dvb_frontend
* fe
)
985 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
990 dprintk("%s: type_flags 0x%x \n", __FUNCTION__
, state
->type_flags
);
992 state
->decode_freq
= 0;
993 state
->decode_lock
= state
->decode_strength
= state
->decode_snr
= 0;
994 if (state
->dst_type
== DST_TYPE_IS_SAT
) {
995 if (!(state
->diseq_flags
& HAS_POWER
))
996 dst_set_voltage(fe
, SEC_VOLTAGE_13
);
998 state
->diseq_flags
&= ~(HAS_LOCK
| ATTEMPT_TUNE
);
1000 if ((dst_comm_init(state
)) < 0) {
1001 dprintk("%s: DST Communication initialization failed.\n", __FUNCTION__
);
1005 if (state
->type_flags
& DST_TYPE_HAS_NEWTUNE
) {
1006 state
->tx_tuna
[9] = dst_check_sum(&state
->tx_tuna
[0], 9);
1007 retval
= write_dst(state
, &state
->tx_tuna
[0], 10);
1010 state
->tx_tuna
[9] = dst_check_sum(&state
->tx_tuna
[2], 7);
1011 retval
= write_dst(state
, &state
->tx_tuna
[2], FIXED_COMM
);
1014 dst_pio_disable(state
);
1015 dprintk("%s: write not successful\n", __FUNCTION__
);
1019 if ((dst_pio_disable(state
)) < 0) {
1020 dprintk("%s: DST PIO disable failed !\n", __FUNCTION__
);
1024 if ((read_dst(state
, &reply
, GET_ACK
) < 0)) {
1025 dprintk("%s: read verify not successful.\n", __FUNCTION__
);
1029 dprintk("%s: write not acknowledged 0x%02x \n", __FUNCTION__
, reply
);
1032 state
->diseq_flags
|= ATTEMPT_TUNE
;
1034 return dst_get_tuna(state
);
1038 * line22k0 0x00, 0x09, 0x00, 0xff, 0x01, 0x00, 0x00, 0x00
1039 * line22k1 0x00, 0x09, 0x01, 0xff, 0x01, 0x00, 0x00, 0x00
1040 * line22k2 0x00, 0x09, 0x02, 0xff, 0x01, 0x00, 0x00, 0x00
1041 * tone 0x00, 0x09, 0xff, 0x00, 0x01, 0x00, 0x00, 0x00
1042 * data 0x00, 0x09, 0xff, 0x01, 0x01, 0x00, 0x00, 0x00
1043 * power_off 0x00, 0x09, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00
1044 * power_on 0x00, 0x09, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
1045 * Diseqc 1 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec
1046 * Diseqc 2 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf4, 0xe8
1047 * Diseqc 3 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf8, 0xe4
1048 * Diseqc 4 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xfc, 0xe0
1051 static int dst_set_diseqc(struct dvb_frontend
* fe
, struct dvb_diseqc_master_cmd
* cmd
)
1053 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
1054 u8 paket
[8] = { 0x00, 0x08, 0x04, 0xe0, 0x10, 0x38, 0xf0, 0xec };
1056 if (state
->dst_type
== DST_TYPE_IS_TERR
)
1059 if (cmd
->msg_len
== 0 || cmd
->msg_len
> 4)
1061 memcpy(&paket
[3], cmd
->msg
, cmd
->msg_len
);
1062 paket
[7] = dst_check_sum(&paket
[0], 7);
1063 dst_command(state
, paket
, 8);
1067 static int dst_set_voltage(struct dvb_frontend
* fe
, fe_sec_voltage_t voltage
)
1071 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
1073 state
->voltage
= voltage
;
1075 if (state
->dst_type
== DST_TYPE_IS_TERR
)
1079 val
= &state
->tx_tuna
[0];
1082 case SEC_VOLTAGE_13
:
1083 if ((state
->diseq_flags
& HAS_POWER
) == 0)
1085 state
->diseq_flags
|= HAS_POWER
;
1088 case SEC_VOLTAGE_18
:
1089 if ((state
->diseq_flags
& HAS_POWER
) == 0)
1091 state
->diseq_flags
|= HAS_POWER
;
1095 case SEC_VOLTAGE_OFF
:
1097 state
->diseq_flags
&= ~(HAS_POWER
| HAS_LOCK
| ATTEMPT_TUNE
);
1104 dst_tone_power_cmd(state
);
1109 static int dst_set_tone(struct dvb_frontend
* fe
, fe_sec_tone_mode_t tone
)
1112 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
1116 if (state
->dst_type
== DST_TYPE_IS_TERR
)
1119 val
= &state
->tx_tuna
[0];
1134 dst_tone_power_cmd(state
);
1139 static int dst_init(struct dvb_frontend
* fe
)
1141 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
1142 static u8 ini_satci_tuna
[] = { 9, 0, 3, 0xb6, 1, 0, 0x73, 0x21, 0, 0 };
1143 static u8 ini_satfta_tuna
[] = { 0, 0, 3, 0xb6, 1, 0x55, 0xbd, 0x50, 0, 0 };
1144 static u8 ini_tvfta_tuna
[] = { 0, 0, 3, 0xb6, 1, 7, 0x0, 0x0, 0, 0 };
1145 static u8 ini_tvci_tuna
[] = { 9, 0, 3, 0xb6, 1, 7, 0x0, 0x0, 0, 0 };
1146 static u8 ini_cabfta_tuna
[] = { 0, 0, 3, 0xb6, 1, 7, 0x0, 0x0, 0, 0 };
1147 static u8 ini_cabci_tuna
[] = { 9, 0, 3, 0xb6, 1, 7, 0x0, 0x0, 0, 0 };
1148 state
->inversion
= INVERSION_ON
;
1149 state
->voltage
= SEC_VOLTAGE_13
;
1150 state
->tone
= SEC_TONE_OFF
;
1151 state
->symbol_rate
= 29473000;
1152 state
->fec
= FEC_AUTO
;
1153 state
->diseq_flags
= 0;
1155 state
->bandwidth
= BANDWIDTH_7_MHZ
;
1156 state
->cur_jiff
= jiffies
;
1157 if (state
->dst_type
== DST_TYPE_IS_SAT
) {
1158 state
->frequency
= 950000;
1159 memcpy(state
->tx_tuna
, ((state
->type_flags
& DST_TYPE_HAS_NEWTUNE
) ? ini_satci_tuna
: ini_satfta_tuna
), sizeof(ini_satfta_tuna
));
1160 } else if (state
->dst_type
== DST_TYPE_IS_TERR
) {
1161 state
->frequency
= 137000000;
1162 memcpy(state
->tx_tuna
, ((state
->type_flags
& DST_TYPE_HAS_NEWTUNE
) ? ini_tvci_tuna
: ini_tvfta_tuna
), sizeof(ini_tvfta_tuna
));
1163 } else if (state
->dst_type
== DST_TYPE_IS_CABLE
) {
1164 state
->frequency
= 51000000;
1165 memcpy(state
->tx_tuna
, ((state
->type_flags
& DST_TYPE_HAS_NEWTUNE
) ? ini_cabci_tuna
: ini_cabfta_tuna
), sizeof(ini_cabfta_tuna
));
1171 static int dst_read_status(struct dvb_frontend
* fe
, fe_status_t
* status
)
1173 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
1176 if (state
->diseq_flags
& HAS_LOCK
) {
1177 dst_get_signal(state
);
1178 if (state
->decode_lock
)
1179 *status
|= FE_HAS_LOCK
| FE_HAS_SIGNAL
| FE_HAS_CARRIER
| FE_HAS_SYNC
| FE_HAS_VITERBI
;
1185 static int dst_read_signal_strength(struct dvb_frontend
* fe
, u16
* strength
)
1187 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
1189 dst_get_signal(state
);
1190 *strength
= state
->decode_strength
;
1195 static int dst_read_snr(struct dvb_frontend
* fe
, u16
* snr
)
1197 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
1199 dst_get_signal(state
);
1200 *snr
= state
->decode_snr
;
1205 static int dst_set_frontend(struct dvb_frontend
* fe
, struct dvb_frontend_parameters
*p
)
1207 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
1209 dst_set_freq(state
, p
->frequency
);
1211 dprintk("Set Frequency = [%d]\n", p
->frequency
);
1213 dst_set_inversion(state
, p
->inversion
);
1214 if (state
->dst_type
== DST_TYPE_IS_SAT
) {
1215 dst_set_fec(state
, p
->u
.qpsk
.fec_inner
);
1216 dst_set_symbolrate(state
, p
->u
.qpsk
.symbol_rate
);
1218 dprintk("Set Symbolrate = [%d]\n", p
->u
.qpsk
.symbol_rate
);
1220 } else if (state
->dst_type
== DST_TYPE_IS_TERR
) {
1221 dst_set_bandwidth(state
, p
->u
.ofdm
.bandwidth
);
1222 } else if (state
->dst_type
== DST_TYPE_IS_CABLE
) {
1223 dst_set_fec(state
, p
->u
.qam
.fec_inner
);
1224 dst_set_symbolrate(state
, p
->u
.qam
.symbol_rate
);
1231 static int dst_get_frontend(struct dvb_frontend
* fe
, struct dvb_frontend_parameters
*p
)
1233 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
1235 p
->frequency
= state
->decode_freq
;
1236 p
->inversion
= state
->inversion
;
1237 if (state
->dst_type
== DST_TYPE_IS_SAT
) {
1238 p
->u
.qpsk
.symbol_rate
= state
->symbol_rate
;
1239 p
->u
.qpsk
.fec_inner
= dst_get_fec(state
);
1240 } else if (state
->dst_type
== DST_TYPE_IS_TERR
) {
1241 p
->u
.ofdm
.bandwidth
= state
->bandwidth
;
1242 } else if (state
->dst_type
== DST_TYPE_IS_CABLE
) {
1243 p
->u
.qam
.symbol_rate
= state
->symbol_rate
;
1244 p
->u
.qam
.fec_inner
= dst_get_fec(state
);
1245 p
->u
.qam
.modulation
= QAM_AUTO
;
1251 static void dst_release(struct dvb_frontend
* fe
)
1253 struct dst_state
* state
= (struct dst_state
*) fe
->demodulator_priv
;
1257 static struct dvb_frontend_ops dst_dvbt_ops
;
1258 static struct dvb_frontend_ops dst_dvbs_ops
;
1259 static struct dvb_frontend_ops dst_dvbc_ops
;
1261 struct dst_state
* dst_attach(struct dst_state
*state
, struct dvb_adapter
*dvb_adapter
)
1264 /* check if the ASIC is there */
1265 if (dst_probe(state
) < 0) {
1271 /* determine settings based on type */
1272 switch (state
->dst_type
) {
1273 case DST_TYPE_IS_TERR
:
1274 memcpy(&state
->ops
, &dst_dvbt_ops
, sizeof(struct dvb_frontend_ops
));
1277 case DST_TYPE_IS_CABLE
:
1278 memcpy(&state
->ops
, &dst_dvbc_ops
, sizeof(struct dvb_frontend_ops
));
1281 case DST_TYPE_IS_SAT
:
1282 memcpy(&state
->ops
, &dst_dvbs_ops
, sizeof(struct dvb_frontend_ops
));
1286 printk("%s: unknown DST type. please report to the LinuxTV.org DVB mailinglist.\n", __FUNCTION__
);
1293 /* create dvb_frontend */
1294 state
->frontend
.ops
= &state
->ops
;
1295 state
->frontend
.demodulator_priv
= state
;
1297 return state
; /* Manu (DST is a card not a frontend) */
1300 EXPORT_SYMBOL(dst_attach
);
1302 static struct dvb_frontend_ops dst_dvbt_ops
= {
1305 .name
= "DST DVB-T",
1307 .frequency_min
= 137000000,
1308 .frequency_max
= 858000000,
1309 .frequency_stepsize
= 166667,
1310 .caps
= FE_CAN_FEC_AUTO
| FE_CAN_QAM_AUTO
| FE_CAN_TRANSMISSION_MODE_AUTO
| FE_CAN_GUARD_INTERVAL_AUTO
1313 .release
= dst_release
,
1317 .set_frontend
= dst_set_frontend
,
1318 .get_frontend
= dst_get_frontend
,
1320 .read_status
= dst_read_status
,
1321 .read_signal_strength
= dst_read_signal_strength
,
1322 .read_snr
= dst_read_snr
,
1325 static struct dvb_frontend_ops dst_dvbs_ops
= {
1328 .name
= "DST DVB-S",
1330 .frequency_min
= 950000,
1331 .frequency_max
= 2150000,
1332 .frequency_stepsize
= 1000, /* kHz for QPSK frontends */
1333 .frequency_tolerance
= 29500,
1334 .symbol_rate_min
= 1000000,
1335 .symbol_rate_max
= 45000000,
1336 /* . symbol_rate_tolerance = ???,*/
1337 .caps
= FE_CAN_FEC_AUTO
| FE_CAN_QPSK
1340 .release
= dst_release
,
1344 .set_frontend
= dst_set_frontend
,
1345 .get_frontend
= dst_get_frontend
,
1347 .read_status
= dst_read_status
,
1348 .read_signal_strength
= dst_read_signal_strength
,
1349 .read_snr
= dst_read_snr
,
1351 .diseqc_send_burst
= dst_set_tone
,
1352 .diseqc_send_master_cmd
= dst_set_diseqc
,
1353 .set_voltage
= dst_set_voltage
,
1354 .set_tone
= dst_set_tone
,
1357 static struct dvb_frontend_ops dst_dvbc_ops
= {
1360 .name
= "DST DVB-C",
1362 .frequency_stepsize
= 62500,
1363 .frequency_min
= 51000000,
1364 .frequency_max
= 858000000,
1365 .symbol_rate_min
= 1000000,
1366 .symbol_rate_max
= 45000000,
1367 /* . symbol_rate_tolerance = ???,*/
1368 .caps
= FE_CAN_FEC_AUTO
| FE_CAN_QAM_AUTO
1371 .release
= dst_release
,
1375 .set_frontend
= dst_set_frontend
,
1376 .get_frontend
= dst_get_frontend
,
1378 .read_status
= dst_read_status
,
1379 .read_signal_strength
= dst_read_signal_strength
,
1380 .read_snr
= dst_read_snr
,
1384 MODULE_DESCRIPTION("DST DVB-S/T/C Combo Frontend driver");
1385 MODULE_AUTHOR("Jamie Honan, Manu Abraham");
1386 MODULE_LICENSE("GPL");