3 * Copyright (c) 2007-2008 Mauro Carvalho Chehab (mchehab@infradead.org)
5 * Copyright (c) 2007 Michel Ludwig (michel.ludwig@gmail.com)
8 * This code is placed under the terms of the GNU General Public License v2
11 #include <linux/i2c.h>
12 #include <asm/div64.h>
13 #include <linux/firmware.h>
14 #include <linux/videodev2.h>
15 #include <linux/delay.h>
16 #include <media/tuner.h>
17 #include <linux/mutex.h>
18 #include "tuner-i2c.h"
19 #include "tuner-xc2028.h"
20 #include "tuner-xc2028-types.h"
22 #include <linux/dvb/frontend.h>
23 #include "dvb_frontend.h"
27 module_param(debug
, int, 0644);
28 MODULE_PARM_DESC(debug
, "enable verbose debug messages");
30 static char audio_std
[8];
31 module_param_string(audio_std
, audio_std
, sizeof(audio_std
), 0);
32 MODULE_PARM_DESC(audio_std
,
33 "Audio standard. XC3028 audio decoder explicitly "
34 "needs to know what audio\n"
35 "standard is needed for some video standards with audio A2 or NICAM.\n"
36 "The valid values are:\n"
44 static char firmware_name
[FIRMWARE_NAME_MAX
];
45 module_param_string(firmware_name
, firmware_name
, sizeof(firmware_name
), 0);
46 MODULE_PARM_DESC(firmware_name
, "Firmware file name. Allows overriding the "
47 "default firmware name\n");
49 static LIST_HEAD(hybrid_tuner_instance_list
);
50 static DEFINE_MUTEX(xc2028_list_mutex
);
52 /* struct for storing firmware table */
53 struct firmware_description
{
61 struct firmware_properties
{
66 unsigned int scode_table
;
71 struct list_head hybrid_tuner_instance_list
;
72 struct tuner_i2c_props i2c_props
;
73 int (*tuner_callback
) (void *dev
,
74 int command
, int arg
);
78 struct firmware_description
*firm
;
85 struct xc2028_ctrl ctrl
;
87 struct firmware_properties cur_fw
;
92 #define i2c_send(priv, buf, size) ({ \
94 _rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \
96 tuner_info("i2c output error: rc = %d (should be %d)\n",\
101 #define i2c_rcv(priv, buf, size) ({ \
103 _rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size); \
105 tuner_err("i2c input error: rc = %d (should be %d)\n", \
110 #define i2c_send_recv(priv, obuf, osize, ibuf, isize) ({ \
112 _rc = tuner_i2c_xfer_send_recv(&priv->i2c_props, obuf, osize, \
115 tuner_err("i2c input error: rc = %d (should be %d)\n", \
120 #define send_seq(priv, data...) ({ \
121 static u8 _val[] = data; \
123 if (sizeof(_val) != \
124 (_rc = tuner_i2c_xfer_send(&priv->i2c_props, \
125 _val, sizeof(_val)))) { \
126 tuner_err("Error on line %d: %d\n", __LINE__, _rc); \
132 static int xc2028_get_reg(struct xc2028_data
*priv
, u16 reg
, u16
*val
)
134 unsigned char buf
[2];
135 unsigned char ibuf
[2];
137 tuner_dbg("%s %04x called\n", __func__
, reg
);
140 buf
[1] = (unsigned char) reg
;
142 if (i2c_send_recv(priv
, buf
, 2, ibuf
, 2) != 2)
145 *val
= (ibuf
[1]) | (ibuf
[0] << 8);
149 #define dump_firm_type(t) dump_firm_type_and_int_freq(t, 0)
150 static void dump_firm_type_and_int_freq(unsigned int type
, u16 int_freq
)
196 if (type
& TOYOTA388
)
197 printk("TOYOTA388 ");
198 if (type
& TOYOTA794
)
199 printk("TOYOTA794 ");
202 if (type
& ZARLINK456
)
203 printk("ZARLINK456 ");
213 printk("HAS_IF_%d ", int_freq
);
216 static v4l2_std_id
parse_audio_std_option(void)
218 if (strcasecmp(audio_std
, "A2") == 0)
220 if (strcasecmp(audio_std
, "A2/A") == 0)
221 return V4L2_STD_A2_A
;
222 if (strcasecmp(audio_std
, "A2/B") == 0)
223 return V4L2_STD_A2_B
;
224 if (strcasecmp(audio_std
, "NICAM") == 0)
225 return V4L2_STD_NICAM
;
226 if (strcasecmp(audio_std
, "NICAM/A") == 0)
227 return V4L2_STD_NICAM_A
;
228 if (strcasecmp(audio_std
, "NICAM/B") == 0)
229 return V4L2_STD_NICAM_B
;
234 static void free_firmware(struct xc2028_data
*priv
)
237 tuner_dbg("%s called\n", __func__
);
242 for (i
= 0; i
< priv
->firm_size
; i
++)
243 kfree(priv
->firm
[i
].ptr
);
250 memset(&priv
->cur_fw
, 0, sizeof(priv
->cur_fw
));
253 static int load_all_firmwares(struct dvb_frontend
*fe
)
255 struct xc2028_data
*priv
= fe
->tuner_priv
;
256 const struct firmware
*fw
= NULL
;
257 const unsigned char *p
, *endp
;
263 tuner_dbg("%s called\n", __func__
);
265 if (!firmware_name
[0])
266 fname
= priv
->ctrl
.fname
;
268 fname
= firmware_name
;
270 tuner_dbg("Reading firmware %s\n", fname
);
271 rc
= request_firmware(&fw
, fname
, &priv
->i2c_props
.adap
->dev
);
274 tuner_err("Error: firmware %s not found.\n",
277 tuner_err("Error %d while requesting firmware %s \n",
285 if (fw
->size
< sizeof(name
) - 1 + 2 + 2) {
286 tuner_err("Error: firmware file %s has invalid size!\n",
291 memcpy(name
, p
, sizeof(name
) - 1);
292 name
[sizeof(name
) - 1] = 0;
293 p
+= sizeof(name
) - 1;
295 priv
->firm_version
= le16_to_cpu(*(__u16
*) p
);
298 n_array
= le16_to_cpu(*(__u16
*) p
);
301 tuner_info("Loading %d firmware images from %s, type: %s, ver %d.%d\n",
302 n_array
, fname
, name
,
303 priv
->firm_version
>> 8, priv
->firm_version
& 0xff);
305 priv
->firm
= kzalloc(sizeof(*priv
->firm
) * n_array
, GFP_KERNEL
);
306 if (priv
->firm
== NULL
) {
307 tuner_err("Not enough memory to load firmware file.\n");
311 priv
->firm_size
= n_array
;
321 tuner_err("More firmware images in file than "
326 /* Checks if there's enough bytes to read */
327 if (p
+ sizeof(type
) + sizeof(id
) + sizeof(size
) > endp
) {
328 tuner_err("Firmware header is incomplete!\n");
332 type
= le32_to_cpu(*(__u32
*) p
);
335 id
= le64_to_cpu(*(v4l2_std_id
*) p
);
339 int_freq
= le16_to_cpu(*(__u16
*) p
);
340 p
+= sizeof(int_freq
);
343 size
= le32_to_cpu(*(__u32
*) p
);
346 if ((!size
) || (size
+ p
> endp
)) {
347 tuner_err("Firmware type ");
348 dump_firm_type(type
);
349 printk("(%x), id %llx is corrupted "
350 "(size=%d, expected %d)\n",
351 type
, (unsigned long long)id
,
352 (unsigned)(endp
- p
), size
);
356 priv
->firm
[n
].ptr
= kzalloc(size
, GFP_KERNEL
);
357 if (priv
->firm
[n
].ptr
== NULL
) {
358 tuner_err("Not enough memory to load firmware file.\n");
362 tuner_dbg("Reading firmware type ");
364 dump_firm_type_and_int_freq(type
, int_freq
);
365 printk("(%x), id %llx, size=%d.\n",
366 type
, (unsigned long long)id
, size
);
369 memcpy(priv
->firm
[n
].ptr
, p
, size
);
370 priv
->firm
[n
].type
= type
;
371 priv
->firm
[n
].id
= id
;
372 priv
->firm
[n
].size
= size
;
373 priv
->firm
[n
].int_freq
= int_freq
;
378 if (n
+ 1 != priv
->firm_size
) {
379 tuner_err("Firmware file is incomplete!\n");
387 tuner_err("Error: firmware file is corrupted!\n");
390 tuner_info("Releasing partially loaded firmware file.\n");
394 release_firmware(fw
);
396 tuner_dbg("Firmware files loaded.\n");
401 static int seek_firmware(struct dvb_frontend
*fe
, unsigned int type
,
404 struct xc2028_data
*priv
= fe
->tuner_priv
;
405 int i
, best_i
= -1, best_nr_matches
= 0;
406 unsigned int type_mask
= 0;
408 tuner_dbg("%s called, want type=", __func__
);
410 dump_firm_type(type
);
411 printk("(%x), id %016llx.\n", type
, (unsigned long long)*id
);
415 tuner_err("Error! firmware not loaded\n");
419 if (((type
& ~SCODE
) == 0) && (*id
== 0))
423 type_mask
= BASE_TYPES
;
424 else if (type
& SCODE
) {
426 type_mask
= SCODE_TYPES
& ~HAS_IF
;
427 } else if (type
& DTV_TYPES
)
428 type_mask
= DTV_TYPES
;
429 else if (type
& STD_SPECIFIC_TYPES
)
430 type_mask
= STD_SPECIFIC_TYPES
;
437 /* Seek for exact match */
438 for (i
= 0; i
< priv
->firm_size
; i
++) {
439 if ((type
== (priv
->firm
[i
].type
& type_mask
)) &&
440 (*id
== priv
->firm
[i
].id
))
444 /* Seek for generic video standard match */
445 for (i
= 0; i
< priv
->firm_size
; i
++) {
446 v4l2_std_id match_mask
;
449 if (type
!= (priv
->firm
[i
].type
& type_mask
))
452 match_mask
= *id
& priv
->firm
[i
].id
;
456 if ((*id
& match_mask
) == *id
)
457 goto found
; /* Supports all the requested standards */
459 nr_matches
= hweight64(match_mask
);
460 if (nr_matches
> best_nr_matches
) {
461 best_nr_matches
= nr_matches
;
466 if (best_nr_matches
> 0) {
467 tuner_dbg("Selecting best matching firmware (%d bits) for "
468 "type=", best_nr_matches
);
469 dump_firm_type(type
);
470 printk("(%x), id %016llx:\n", type
, (unsigned long long)*id
);
475 /*FIXME: Would make sense to seek for type "hint" match ? */
481 *id
= priv
->firm
[i
].id
;
484 tuner_dbg("%s firmware for type=", (i
< 0) ? "Can't find" : "Found");
486 dump_firm_type(type
);
487 printk("(%x), id %016llx.\n", type
, (unsigned long long)*id
);
492 static int load_firmware(struct dvb_frontend
*fe
, unsigned int type
,
495 struct xc2028_data
*priv
= fe
->tuner_priv
;
497 unsigned char *p
, *endp
, buf
[priv
->ctrl
.max_len
];
499 tuner_dbg("%s called\n", __func__
);
501 pos
= seek_firmware(fe
, type
, id
);
505 tuner_info("Loading firmware for type=");
506 dump_firm_type(priv
->firm
[pos
].type
);
507 printk("(%x), id %016llx.\n", priv
->firm
[pos
].type
,
508 (unsigned long long)*id
);
510 p
= priv
->firm
[pos
].ptr
;
511 endp
= p
+ priv
->firm
[pos
].size
;
516 /* Checks if there's enough bytes to read */
517 if (p
+ sizeof(size
) > endp
) {
518 tuner_err("Firmware chunk size is wrong\n");
522 size
= le16_to_cpu(*(__u16
*) p
);
529 /* Special callback command received */
530 rc
= priv
->tuner_callback(priv
->video_dev
,
531 XC2028_TUNER_RESET
, 0);
533 tuner_err("Error at RESET code %d\n",
539 if (size
>= 0xff00) {
542 rc
= priv
->tuner_callback(priv
->video_dev
,
543 XC2028_RESET_CLK
, 0);
545 tuner_err("Error at RESET code %d\n",
551 tuner_info("Invalid RESET code %d\n",
559 /* Checks for a sleep command */
561 msleep(size
& 0x7fff);
565 if ((size
+ p
> endp
)) {
566 tuner_err("missing bytes: need %d, have %d\n",
567 size
, (int)(endp
- p
));
575 /* Sends message chunks */
577 int len
= (size
< priv
->ctrl
.max_len
- 1) ?
578 size
: priv
->ctrl
.max_len
- 1;
580 memcpy(buf
+ 1, p
, len
);
582 rc
= i2c_send(priv
, buf
, len
+ 1);
584 tuner_err("%d returned from send\n", rc
);
595 static int load_scode(struct dvb_frontend
*fe
, unsigned int type
,
596 v4l2_std_id
*id
, __u16 int_freq
, int scode
)
598 struct xc2028_data
*priv
= fe
->tuner_priv
;
602 tuner_dbg("%s called\n", __func__
);
605 pos
= seek_firmware(fe
, type
, id
);
609 for (pos
= 0; pos
< priv
->firm_size
; pos
++) {
610 if ((priv
->firm
[pos
].int_freq
== int_freq
) &&
611 (priv
->firm
[pos
].type
& HAS_IF
))
614 if (pos
== priv
->firm_size
)
618 p
= priv
->firm
[pos
].ptr
;
620 if (priv
->firm
[pos
].type
& HAS_IF
) {
621 if (priv
->firm
[pos
].size
!= 12 * 16 || scode
>= 16)
625 /* 16 SCODE entries per file; each SCODE entry is 12 bytes and
626 * has a 2-byte size header in the firmware format. */
627 if (priv
->firm
[pos
].size
!= 14 * 16 || scode
>= 16 ||
628 le16_to_cpu(*(__u16
*)(p
+ 14 * scode
)) != 12)
633 tuner_info("Loading SCODE for type=");
634 dump_firm_type_and_int_freq(priv
->firm
[pos
].type
,
635 priv
->firm
[pos
].int_freq
);
636 printk("(%x), id %016llx.\n", priv
->firm
[pos
].type
,
637 (unsigned long long)*id
);
639 if (priv
->firm_version
< 0x0202)
640 rc
= send_seq(priv
, {0x20, 0x00, 0x00, 0x00});
642 rc
= send_seq(priv
, {0xa0, 0x00, 0x00, 0x00});
646 rc
= i2c_send(priv
, p
, 12);
650 rc
= send_seq(priv
, {0x00, 0x8c});
657 static int check_firmware(struct dvb_frontend
*fe
, unsigned int type
,
658 v4l2_std_id std
, __u16 int_freq
)
660 struct xc2028_data
*priv
= fe
->tuner_priv
;
661 struct firmware_properties new_fw
;
662 int rc
= 0, is_retry
= 0;
663 u16 version
, hwmodel
;
666 tuner_dbg("%s called\n", __func__
);
669 if (!priv
->ctrl
.fname
) {
670 tuner_info("xc2028/3028 firmware name not set!\n");
674 rc
= load_all_firmwares(fe
);
679 if (priv
->ctrl
.mts
&& !(type
& FM
))
685 new_fw
.std_req
= std
;
686 new_fw
.scode_table
= SCODE
| priv
->ctrl
.scode_table
;
688 new_fw
.int_freq
= int_freq
;
690 tuner_dbg("checking firmware, user requested type=");
692 dump_firm_type(new_fw
.type
);
693 printk("(%x), id %016llx, ", new_fw
.type
,
694 (unsigned long long)new_fw
.std_req
);
696 printk("scode_tbl ");
697 dump_firm_type(priv
->ctrl
.scode_table
);
698 printk("(%x), ", priv
->ctrl
.scode_table
);
700 printk("int_freq %d, ", new_fw
.int_freq
);
701 printk("scode_nr %d\n", new_fw
.scode_nr
);
704 /* No need to reload base firmware if it matches */
705 if (((BASE
| new_fw
.type
) & BASE_TYPES
) ==
706 (priv
->cur_fw
.type
& BASE_TYPES
)) {
707 tuner_dbg("BASE firmware not changed.\n");
711 /* Updating BASE - forget about all currently loaded firmware */
712 memset(&priv
->cur_fw
, 0, sizeof(priv
->cur_fw
));
714 /* Reset is needed before loading firmware */
715 rc
= priv
->tuner_callback(priv
->video_dev
,
716 XC2028_TUNER_RESET
, 0);
720 /* BASE firmwares are all std0 */
722 rc
= load_firmware(fe
, BASE
| new_fw
.type
, &std0
);
724 tuner_err("Error %d while loading base firmware\n",
729 /* Load INIT1, if needed */
730 tuner_dbg("Load init1 firmware, if exists\n");
732 rc
= load_firmware(fe
, BASE
| INIT1
| new_fw
.type
, &std0
);
734 rc
= load_firmware(fe
, (BASE
| INIT1
| new_fw
.type
) & ~F8MHZ
,
736 if (rc
< 0 && rc
!= -ENOENT
) {
737 tuner_err("Error %d while loading init1 firmware\n",
744 * No need to reload standard specific firmware if base firmware
745 * was not reloaded and requested video standards have not changed.
747 if (priv
->cur_fw
.type
== (BASE
| new_fw
.type
) &&
748 priv
->cur_fw
.std_req
== std
) {
749 tuner_dbg("Std-specific firmware already loaded.\n");
750 goto skip_std_specific
;
753 /* Reloading std-specific firmware forces a SCODE update */
754 priv
->cur_fw
.scode_table
= 0;
756 rc
= load_firmware(fe
, new_fw
.type
, &new_fw
.id
);
758 rc
= load_firmware(fe
, new_fw
.type
& ~F8MHZ
, &new_fw
.id
);
764 if (priv
->cur_fw
.scode_table
== new_fw
.scode_table
&&
765 priv
->cur_fw
.scode_nr
== new_fw
.scode_nr
) {
766 tuner_dbg("SCODE firmware already loaded.\n");
770 if (new_fw
.type
& FM
)
773 /* Load SCODE firmware, if exists */
774 tuner_dbg("Trying to load scode %d\n", new_fw
.scode_nr
);
776 rc
= load_scode(fe
, new_fw
.type
| new_fw
.scode_table
, &new_fw
.id
,
777 new_fw
.int_freq
, new_fw
.scode_nr
);
780 if (xc2028_get_reg(priv
, 0x0004, &version
) < 0 ||
781 xc2028_get_reg(priv
, 0x0008, &hwmodel
) < 0) {
782 tuner_err("Unable to read tuner registers.\n");
786 tuner_dbg("Device is Xceive %d version %d.%d, "
787 "firmware version %d.%d\n",
788 hwmodel
, (version
& 0xf000) >> 12, (version
& 0xf00) >> 8,
789 (version
& 0xf0) >> 4, version
& 0xf);
791 /* Check firmware version against what we downloaded. */
792 if (priv
->firm_version
!= ((version
& 0xf0) << 4 | (version
& 0x0f))) {
793 tuner_err("Incorrect readback of firmware version.\n");
797 /* Check that the tuner hardware model remains consistent over time. */
798 if (priv
->hwmodel
== 0 && (hwmodel
== 2028 || hwmodel
== 3028)) {
799 priv
->hwmodel
= hwmodel
;
800 priv
->hwvers
= version
& 0xff00;
801 } else if (priv
->hwmodel
== 0 || priv
->hwmodel
!= hwmodel
||
802 priv
->hwvers
!= (version
& 0xff00)) {
803 tuner_err("Read invalid device hardware information - tuner "
808 memcpy(&priv
->cur_fw
, &new_fw
, sizeof(priv
->cur_fw
));
811 * By setting BASE in cur_fw.type only after successfully loading all
813 * 1. Identify that BASE firmware with type=0 has been loaded;
814 * 2. Tell whether BASE firmware was just changed the next time through.
816 priv
->cur_fw
.type
|= BASE
;
821 memset(&priv
->cur_fw
, 0, sizeof(priv
->cur_fw
));
825 tuner_dbg("Retrying firmware load\n");
834 static int xc2028_signal(struct dvb_frontend
*fe
, u16
*strength
)
836 struct xc2028_data
*priv
= fe
->tuner_priv
;
837 u16 frq_lock
, signal
= 0;
840 tuner_dbg("%s called\n", __func__
);
842 mutex_lock(&priv
->lock
);
844 /* Sync Lock Indicator */
845 rc
= xc2028_get_reg(priv
, 0x0002, &frq_lock
);
849 /* Frequency is locked */
853 /* Get SNR of the video signal */
854 rc
= xc2028_get_reg(priv
, 0x0040, &signal
);
858 /* Use both frq_lock and signal to generate the result */
859 signal
= signal
|| ((signal
& 0x07) << 12);
862 mutex_unlock(&priv
->lock
);
866 tuner_dbg("signal strength is %d\n", signal
);
873 static int generic_set_freq(struct dvb_frontend
*fe
, u32 freq
/* in HZ */,
874 enum tuner_mode new_mode
,
879 struct xc2028_data
*priv
= fe
->tuner_priv
;
881 unsigned char buf
[4];
884 tuner_dbg("%s called\n", __func__
);
886 mutex_lock(&priv
->lock
);
888 tuner_dbg("should set frequency %d kHz\n", freq
/ 1000);
890 if (check_firmware(fe
, type
, std
, int_freq
) < 0)
893 /* On some cases xc2028 can disable video output, if
894 * very weak signals are received. By sending a soft
895 * reset, this is re-enabled. So, it is better to always
896 * send a soft reset before changing channels, to be sure
897 * that xc2028 will be in a safe state.
898 * Maybe this might also be needed for DTV.
900 if (new_mode
== T_ANALOG_TV
) {
901 rc
= send_seq(priv
, {0x00, 0x00});
902 } else if (priv
->cur_fw
.type
& ATSC
) {
907 * We must adjust the offset by 500kHz in two cases in order
908 * to correctly center the IF output:
909 * 1) When the ZARLINK456 or DIBCOM52 tables were explicitly
910 * selected and a 7MHz channel is tuned;
911 * 2) When tuning a VHF channel with DTV78 firmware.
913 if (((priv
->cur_fw
.type
& DTV7
) &&
914 (priv
->cur_fw
.scode_table
& (ZARLINK456
| DIBCOM52
))) ||
915 ((priv
->cur_fw
.type
& DTV78
) && freq
< 470000000))
919 div
= (freq
- offset
+ DIV
/ 2) / DIV
;
921 /* CMD= Set frequency */
922 if (priv
->firm_version
< 0x0202)
923 rc
= send_seq(priv
, {0x00, 0x02, 0x00, 0x00});
925 rc
= send_seq(priv
, {0x80, 0x02, 0x00, 0x00});
929 /* Return code shouldn't be checked.
930 The reset CLK is needed only with tm6000.
931 Driver should work fine even if this fails.
933 priv
->tuner_callback(priv
->video_dev
, XC2028_RESET_CLK
, 1);
937 buf
[0] = 0xff & (div
>> 24);
938 buf
[1] = 0xff & (div
>> 16);
939 buf
[2] = 0xff & (div
>> 8);
940 buf
[3] = 0xff & (div
);
942 rc
= i2c_send(priv
, buf
, sizeof(buf
));
947 priv
->frequency
= freq
;
949 tuner_dbg("divisor= %02x %02x %02x %02x (freq=%d.%03d)\n",
950 buf
[0], buf
[1], buf
[2], buf
[3],
951 freq
/ 1000000, (freq
% 1000000) / 1000);
956 mutex_unlock(&priv
->lock
);
961 static int xc2028_set_analog_freq(struct dvb_frontend
*fe
,
962 struct analog_parameters
*p
)
964 struct xc2028_data
*priv
= fe
->tuner_priv
;
967 tuner_dbg("%s called\n", __func__
);
969 if (p
->mode
== V4L2_TUNER_RADIO
) {
971 if (priv
->ctrl
.input1
)
973 return generic_set_freq(fe
, (625l * p
->frequency
) / 10,
974 T_ANALOG_TV
, type
, 0, 0);
977 /* if std is not defined, choose one */
979 p
->std
= V4L2_STD_MN
;
981 /* PAL/M, PAL/N, PAL/Nc and NTSC variants should use 6MHz firmware */
982 if (!(p
->std
& V4L2_STD_MN
))
985 /* Add audio hack to std mask */
986 p
->std
|= parse_audio_std_option();
988 return generic_set_freq(fe
, 62500l * p
->frequency
,
989 T_ANALOG_TV
, type
, p
->std
, 0);
992 static int xc2028_set_params(struct dvb_frontend
*fe
,
993 struct dvb_frontend_parameters
*p
)
995 struct xc2028_data
*priv
= fe
->tuner_priv
;
997 fe_bandwidth_t bw
= BANDWIDTH_8_MHZ
;
1000 tuner_dbg("%s called\n", __func__
);
1002 if (priv
->ctrl
.d2633
)
1007 switch(fe
->ops
.info
.type
) {
1009 bw
= p
->u
.ofdm
.bandwidth
;
1012 tuner_info("WARN: There are some reports that "
1013 "QAM 6 MHz doesn't work.\n"
1014 "If this works for you, please report by "
1015 "e-mail to: v4l-dvb-maintainer@linuxtv.org\n");
1016 bw
= BANDWIDTH_6_MHZ
;
1020 bw
= BANDWIDTH_6_MHZ
;
1021 /* The only ATSC firmware (at least on v2.7) is D2633,
1022 so overrides ctrl->d2633 */
1023 type
|= ATSC
| D2633
;
1026 /* DVB-S is not supported */
1032 case BANDWIDTH_8_MHZ
:
1033 if (p
->frequency
< 470000000)
1034 priv
->ctrl
.vhfbw7
= 0;
1036 priv
->ctrl
.uhfbw8
= 1;
1037 type
|= (priv
->ctrl
.vhfbw7
&& priv
->ctrl
.uhfbw8
) ? DTV78
: DTV8
;
1040 case BANDWIDTH_7_MHZ
:
1041 if (p
->frequency
< 470000000)
1042 priv
->ctrl
.vhfbw7
= 1;
1044 priv
->ctrl
.uhfbw8
= 0;
1045 type
|= (priv
->ctrl
.vhfbw7
&& priv
->ctrl
.uhfbw8
) ? DTV78
: DTV7
;
1048 case BANDWIDTH_6_MHZ
:
1050 priv
->ctrl
.vhfbw7
= 0;
1051 priv
->ctrl
.uhfbw8
= 0;
1054 tuner_err("error: bandwidth not supported.\n");
1057 /* All S-code tables need a 200kHz shift */
1058 if (priv
->ctrl
.demod
)
1059 demod
= priv
->ctrl
.demod
+ 200;
1061 return generic_set_freq(fe
, p
->frequency
,
1062 T_DIGITAL_TV
, type
, 0, demod
);
1066 static int xc2028_dvb_release(struct dvb_frontend
*fe
)
1068 struct xc2028_data
*priv
= fe
->tuner_priv
;
1070 tuner_dbg("%s called\n", __func__
);
1072 mutex_lock(&xc2028_list_mutex
);
1074 /* only perform final cleanup if this is the last instance */
1075 if (hybrid_tuner_report_instance_count(priv
) == 1) {
1076 kfree(priv
->ctrl
.fname
);
1077 free_firmware(priv
);
1081 hybrid_tuner_release_state(priv
);
1083 mutex_unlock(&xc2028_list_mutex
);
1085 fe
->tuner_priv
= NULL
;
1090 static int xc2028_get_frequency(struct dvb_frontend
*fe
, u32
*frequency
)
1092 struct xc2028_data
*priv
= fe
->tuner_priv
;
1094 tuner_dbg("%s called\n", __func__
);
1096 *frequency
= priv
->frequency
;
1101 static int xc2028_set_config(struct dvb_frontend
*fe
, void *priv_cfg
)
1103 struct xc2028_data
*priv
= fe
->tuner_priv
;
1104 struct xc2028_ctrl
*p
= priv_cfg
;
1107 tuner_dbg("%s called\n", __func__
);
1109 mutex_lock(&priv
->lock
);
1111 memcpy(&priv
->ctrl
, p
, sizeof(priv
->ctrl
));
1112 if (priv
->ctrl
.max_len
< 9)
1113 priv
->ctrl
.max_len
= 13;
1116 if (priv
->ctrl
.fname
&& strcmp(p
->fname
, priv
->ctrl
.fname
)) {
1117 kfree(priv
->ctrl
.fname
);
1118 free_firmware(priv
);
1121 priv
->ctrl
.fname
= kstrdup(p
->fname
, GFP_KERNEL
);
1122 if (priv
->ctrl
.fname
== NULL
)
1126 mutex_unlock(&priv
->lock
);
1131 static const struct dvb_tuner_ops xc2028_dvb_tuner_ops
= {
1133 .name
= "Xceive XC3028",
1134 .frequency_min
= 42000000,
1135 .frequency_max
= 864000000,
1136 .frequency_step
= 50000,
1139 .set_config
= xc2028_set_config
,
1140 .set_analog_params
= xc2028_set_analog_freq
,
1141 .release
= xc2028_dvb_release
,
1142 .get_frequency
= xc2028_get_frequency
,
1143 .get_rf_strength
= xc2028_signal
,
1144 .set_params
= xc2028_set_params
,
1147 struct dvb_frontend
*xc2028_attach(struct dvb_frontend
*fe
,
1148 struct xc2028_config
*cfg
)
1150 struct xc2028_data
*priv
;
1154 printk(KERN_DEBUG
"xc2028: Xcv2028/3028 init called!\n");
1160 printk(KERN_ERR
"xc2028: No frontend!\n");
1164 mutex_lock(&xc2028_list_mutex
);
1166 instance
= hybrid_tuner_request_state(struct xc2028_data
, priv
,
1167 hybrid_tuner_instance_list
,
1168 cfg
->i2c_adap
, cfg
->i2c_addr
,
1172 /* memory allocation failure */
1176 /* new tuner instance */
1177 priv
->tuner_callback
= cfg
->callback
;
1178 priv
->ctrl
.max_len
= 13;
1180 mutex_init(&priv
->lock
);
1182 /* analog side (tuner-core) uses i2c_adap->algo_data.
1183 * digital side is not guaranteed to have algo_data defined.
1185 * digital side will always have fe->dvb defined.
1186 * analog side (tuner-core) doesn't (yet) define fe->dvb.
1188 priv
->video_dev
= ((fe
->dvb
) && (fe
->dvb
->priv
)) ?
1189 fe
->dvb
->priv
: cfg
->i2c_adap
->algo_data
;
1191 fe
->tuner_priv
= priv
;
1194 /* existing tuner instance */
1195 fe
->tuner_priv
= priv
;
1199 memcpy(&fe
->ops
.tuner_ops
, &xc2028_dvb_tuner_ops
,
1200 sizeof(xc2028_dvb_tuner_ops
));
1202 tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner");
1205 xc2028_set_config(fe
, cfg
->ctrl
);
1207 mutex_unlock(&xc2028_list_mutex
);
1211 mutex_unlock(&xc2028_list_mutex
);
1213 xc2028_dvb_release(fe
);
1217 EXPORT_SYMBOL(xc2028_attach
);
1219 MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver");
1220 MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>");
1221 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
1222 MODULE_LICENSE("GPL");