![Tejun Heo](/assets/img/avatar_default.png)
percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
715 lines
18 KiB
C
715 lines
18 KiB
C
#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/i2c.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/delay.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-common.h>
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#include <media/tuner.h>
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#include "tuner-i2c.h"
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#include "tda9887.h"
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/* Chips:
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TDA9885 (PAL, NTSC)
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TDA9886 (PAL, SECAM, NTSC)
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TDA9887 (PAL, SECAM, NTSC, FM Radio)
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Used as part of several tuners
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*/
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static int debug;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "enable verbose debug messages");
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static DEFINE_MUTEX(tda9887_list_mutex);
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static LIST_HEAD(hybrid_tuner_instance_list);
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struct tda9887_priv {
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struct tuner_i2c_props i2c_props;
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struct list_head hybrid_tuner_instance_list;
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unsigned char data[4];
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unsigned int config;
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unsigned int mode;
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unsigned int audmode;
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v4l2_std_id std;
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};
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/* ---------------------------------------------------------------------- */
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#define UNSET (-1U)
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struct tvnorm {
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v4l2_std_id std;
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char *name;
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unsigned char b;
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unsigned char c;
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unsigned char e;
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};
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/* ---------------------------------------------------------------------- */
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//
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// TDA defines
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//
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//// first reg (b)
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#define cVideoTrapBypassOFF 0x00 // bit b0
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#define cVideoTrapBypassON 0x01 // bit b0
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#define cAutoMuteFmInactive 0x00 // bit b1
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#define cAutoMuteFmActive 0x02 // bit b1
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#define cIntercarrier 0x00 // bit b2
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#define cQSS 0x04 // bit b2
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#define cPositiveAmTV 0x00 // bit b3:4
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#define cFmRadio 0x08 // bit b3:4
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#define cNegativeFmTV 0x10 // bit b3:4
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#define cForcedMuteAudioON 0x20 // bit b5
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#define cForcedMuteAudioOFF 0x00 // bit b5
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#define cOutputPort1Active 0x00 // bit b6
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#define cOutputPort1Inactive 0x40 // bit b6
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#define cOutputPort2Active 0x00 // bit b7
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#define cOutputPort2Inactive 0x80 // bit b7
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//// second reg (c)
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#define cDeemphasisOFF 0x00 // bit c5
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#define cDeemphasisON 0x20 // bit c5
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#define cDeemphasis75 0x00 // bit c6
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#define cDeemphasis50 0x40 // bit c6
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#define cAudioGain0 0x00 // bit c7
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#define cAudioGain6 0x80 // bit c7
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#define cTopMask 0x1f // bit c0:4
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#define cTopDefault 0x10 // bit c0:4
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//// third reg (e)
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#define cAudioIF_4_5 0x00 // bit e0:1
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#define cAudioIF_5_5 0x01 // bit e0:1
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#define cAudioIF_6_0 0x02 // bit e0:1
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#define cAudioIF_6_5 0x03 // bit e0:1
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#define cVideoIFMask 0x1c // bit e2:4
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/* Video IF selection in TV Mode (bit B3=0) */
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#define cVideoIF_58_75 0x00 // bit e2:4
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#define cVideoIF_45_75 0x04 // bit e2:4
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#define cVideoIF_38_90 0x08 // bit e2:4
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#define cVideoIF_38_00 0x0C // bit e2:4
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#define cVideoIF_33_90 0x10 // bit e2:4
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#define cVideoIF_33_40 0x14 // bit e2:4
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#define cRadioIF_45_75 0x18 // bit e2:4
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#define cRadioIF_38_90 0x1C // bit e2:4
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/* IF1 selection in Radio Mode (bit B3=1) */
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#define cRadioIF_33_30 0x00 // bit e2,4 (also 0x10,0x14)
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#define cRadioIF_41_30 0x04 // bit e2,4
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/* Output of AFC pin in radio mode when bit E7=1 */
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#define cRadioAGC_SIF 0x00 // bit e3
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#define cRadioAGC_FM 0x08 // bit e3
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#define cTunerGainNormal 0x00 // bit e5
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#define cTunerGainLow 0x20 // bit e5
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#define cGating_18 0x00 // bit e6
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#define cGating_36 0x40 // bit e6
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#define cAgcOutON 0x80 // bit e7
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#define cAgcOutOFF 0x00 // bit e7
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/* ---------------------------------------------------------------------- */
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static struct tvnorm tvnorms[] = {
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{
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.std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H | V4L2_STD_PAL_N,
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.name = "PAL-BGHN",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50 |
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cTopDefault),
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.e = ( cGating_36 |
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cAudioIF_5_5 |
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cVideoIF_38_90 ),
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},{
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.std = V4L2_STD_PAL_I,
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.name = "PAL-I",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50 |
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cTopDefault),
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.e = ( cGating_36 |
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cAudioIF_6_0 |
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cVideoIF_38_90 ),
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},{
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.std = V4L2_STD_PAL_DK,
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.name = "PAL-DK",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50 |
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cTopDefault),
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.e = ( cGating_36 |
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cAudioIF_6_5 |
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cVideoIF_38_90 ),
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},{
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.std = V4L2_STD_PAL_M | V4L2_STD_PAL_Nc,
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.name = "PAL-M/Nc",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis75 |
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cTopDefault),
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.e = ( cGating_36 |
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cAudioIF_4_5 |
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cVideoIF_45_75 ),
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},{
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.std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H,
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.name = "SECAM-BGH",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cTopDefault),
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.e = ( cAudioIF_5_5 |
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cVideoIF_38_90 ),
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},{
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.std = V4L2_STD_SECAM_L,
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.name = "SECAM-L",
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.b = ( cPositiveAmTV |
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cQSS ),
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.c = ( cTopDefault),
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.e = ( cGating_36 |
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cAudioIF_6_5 |
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cVideoIF_38_90 ),
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},{
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.std = V4L2_STD_SECAM_LC,
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.name = "SECAM-L'",
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.b = ( cOutputPort2Inactive |
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cPositiveAmTV |
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cQSS ),
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.c = ( cTopDefault),
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.e = ( cGating_36 |
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cAudioIF_6_5 |
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cVideoIF_33_90 ),
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},{
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.std = V4L2_STD_SECAM_DK,
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.name = "SECAM-DK",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50 |
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cTopDefault),
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.e = ( cGating_36 |
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cAudioIF_6_5 |
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cVideoIF_38_90 ),
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},{
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.std = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR,
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.name = "NTSC-M",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis75 |
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cTopDefault),
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.e = ( cGating_36 |
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cAudioIF_4_5 |
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cVideoIF_45_75 ),
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},{
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.std = V4L2_STD_NTSC_M_JP,
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.name = "NTSC-M-JP",
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.b = ( cNegativeFmTV |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis50 |
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cTopDefault),
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.e = ( cGating_36 |
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cAudioIF_4_5 |
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cVideoIF_58_75 ),
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}
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};
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static struct tvnorm radio_stereo = {
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.name = "Radio Stereo",
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.b = ( cFmRadio |
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cQSS ),
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.c = ( cDeemphasisOFF |
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cAudioGain6 |
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cTopDefault),
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.e = ( cTunerGainLow |
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cAudioIF_5_5 |
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cRadioIF_38_90 ),
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};
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static struct tvnorm radio_mono = {
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.name = "Radio Mono",
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.b = ( cFmRadio |
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cQSS ),
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.c = ( cDeemphasisON |
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cDeemphasis75 |
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cTopDefault),
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.e = ( cTunerGainLow |
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cAudioIF_5_5 |
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cRadioIF_38_90 ),
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};
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/* ---------------------------------------------------------------------- */
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static void dump_read_message(struct dvb_frontend *fe, unsigned char *buf)
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{
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struct tda9887_priv *priv = fe->analog_demod_priv;
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static char *afc[16] = {
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"- 12.5 kHz",
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"- 37.5 kHz",
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"- 62.5 kHz",
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"- 87.5 kHz",
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"-112.5 kHz",
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"-137.5 kHz",
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"-162.5 kHz",
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"-187.5 kHz [min]",
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"+187.5 kHz [max]",
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"+162.5 kHz",
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"+137.5 kHz",
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"+112.5 kHz",
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"+ 87.5 kHz",
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"+ 62.5 kHz",
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"+ 37.5 kHz",
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"+ 12.5 kHz",
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};
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tuner_info("read: 0x%2x\n", buf[0]);
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tuner_info(" after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no");
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tuner_info(" afc : %s\n", afc[(buf[0] >> 1) & 0x0f]);
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tuner_info(" fmif level : %s\n", (buf[0] & 0x20) ? "high" : "low");
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tuner_info(" afc window : %s\n", (buf[0] & 0x40) ? "in" : "out");
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tuner_info(" vfi level : %s\n", (buf[0] & 0x80) ? "high" : "low");
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}
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static void dump_write_message(struct dvb_frontend *fe, unsigned char *buf)
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{
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struct tda9887_priv *priv = fe->analog_demod_priv;
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static char *sound[4] = {
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"AM/TV",
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"FM/radio",
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"FM/TV",
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"FM/radio"
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};
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static char *adjust[32] = {
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"-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
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"-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1",
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"0", "+1", "+2", "+3", "+4", "+5", "+6", "+7",
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"+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15"
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};
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static char *deemph[4] = {
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"no", "no", "75", "50"
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};
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static char *carrier[4] = {
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"4.5 MHz",
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"5.5 MHz",
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"6.0 MHz",
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"6.5 MHz / AM"
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};
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static char *vif[8] = {
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"58.75 MHz",
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"45.75 MHz",
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"38.9 MHz",
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"38.0 MHz",
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"33.9 MHz",
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"33.4 MHz",
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"45.75 MHz + pin13",
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"38.9 MHz + pin13",
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};
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static char *rif[4] = {
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"44 MHz",
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"52 MHz",
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"52 MHz",
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"44 MHz",
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};
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tuner_info("write: byte B 0x%02x\n", buf[1]);
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tuner_info(" B0 video mode : %s\n",
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(buf[1] & 0x01) ? "video trap" : "sound trap");
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tuner_info(" B1 auto mute fm : %s\n",
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(buf[1] & 0x02) ? "yes" : "no");
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tuner_info(" B2 carrier mode : %s\n",
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(buf[1] & 0x04) ? "QSS" : "Intercarrier");
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tuner_info(" B3-4 tv sound/radio : %s\n",
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sound[(buf[1] & 0x18) >> 3]);
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tuner_info(" B5 force mute audio: %s\n",
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(buf[1] & 0x20) ? "yes" : "no");
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tuner_info(" B6 output port 1 : %s\n",
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(buf[1] & 0x40) ? "high (inactive)" : "low (active)");
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tuner_info(" B7 output port 2 : %s\n",
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(buf[1] & 0x80) ? "high (inactive)" : "low (active)");
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tuner_info("write: byte C 0x%02x\n", buf[2]);
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tuner_info(" C0-4 top adjustment : %s dB\n",
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adjust[buf[2] & 0x1f]);
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tuner_info(" C5-6 de-emphasis : %s\n",
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deemph[(buf[2] & 0x60) >> 5]);
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tuner_info(" C7 audio gain : %s\n",
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(buf[2] & 0x80) ? "-6" : "0");
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tuner_info("write: byte E 0x%02x\n", buf[3]);
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tuner_info(" E0-1 sound carrier : %s\n",
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carrier[(buf[3] & 0x03)]);
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tuner_info(" E6 l pll gating : %s\n",
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(buf[3] & 0x40) ? "36" : "13");
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if (buf[1] & 0x08) {
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/* radio */
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tuner_info(" E2-4 video if : %s\n",
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rif[(buf[3] & 0x0c) >> 2]);
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tuner_info(" E7 vif agc output : %s\n",
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(buf[3] & 0x80)
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? ((buf[3] & 0x10) ? "fm-agc radio" :
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"sif-agc radio")
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: "fm radio carrier afc");
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} else {
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/* video */
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tuner_info(" E2-4 video if : %s\n",
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vif[(buf[3] & 0x1c) >> 2]);
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tuner_info(" E5 tuner gain : %s\n",
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(buf[3] & 0x80)
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? ((buf[3] & 0x20) ? "external" : "normal")
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: ((buf[3] & 0x20) ? "minimum" : "normal"));
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tuner_info(" E7 vif agc output : %s\n",
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(buf[3] & 0x80) ? ((buf[3] & 0x20)
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? "pin3 port, pin22 vif agc out"
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: "pin22 port, pin3 vif acg ext in")
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: "pin3+pin22 port");
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}
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tuner_info("--\n");
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}
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/* ---------------------------------------------------------------------- */
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static int tda9887_set_tvnorm(struct dvb_frontend *fe)
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{
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struct tda9887_priv *priv = fe->analog_demod_priv;
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struct tvnorm *norm = NULL;
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char *buf = priv->data;
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int i;
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if (priv->mode == V4L2_TUNER_RADIO) {
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if (priv->audmode == V4L2_TUNER_MODE_MONO)
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norm = &radio_mono;
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else
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norm = &radio_stereo;
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} else {
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for (i = 0; i < ARRAY_SIZE(tvnorms); i++) {
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if (tvnorms[i].std & priv->std) {
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norm = tvnorms+i;
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break;
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}
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}
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}
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if (NULL == norm) {
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tuner_dbg("Unsupported tvnorm entry - audio muted\n");
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return -1;
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}
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tuner_dbg("configure for: %s\n", norm->name);
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buf[1] = norm->b;
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buf[2] = norm->c;
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|
buf[3] = norm->e;
|
|
return 0;
|
|
}
|
|
|
|
static unsigned int port1 = UNSET;
|
|
static unsigned int port2 = UNSET;
|
|
static unsigned int qss = UNSET;
|
|
static unsigned int adjust = UNSET;
|
|
|
|
module_param(port1, int, 0644);
|
|
module_param(port2, int, 0644);
|
|
module_param(qss, int, 0644);
|
|
module_param(adjust, int, 0644);
|
|
|
|
static int tda9887_set_insmod(struct dvb_frontend *fe)
|
|
{
|
|
struct tda9887_priv *priv = fe->analog_demod_priv;
|
|
char *buf = priv->data;
|
|
|
|
if (UNSET != port1) {
|
|
if (port1)
|
|
buf[1] |= cOutputPort1Inactive;
|
|
else
|
|
buf[1] &= ~cOutputPort1Inactive;
|
|
}
|
|
if (UNSET != port2) {
|
|
if (port2)
|
|
buf[1] |= cOutputPort2Inactive;
|
|
else
|
|
buf[1] &= ~cOutputPort2Inactive;
|
|
}
|
|
|
|
if (UNSET != qss) {
|
|
if (qss)
|
|
buf[1] |= cQSS;
|
|
else
|
|
buf[1] &= ~cQSS;
|
|
}
|
|
|
|
if (adjust < 0x20) {
|
|
buf[2] &= ~cTopMask;
|
|
buf[2] |= adjust;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int tda9887_do_config(struct dvb_frontend *fe)
|
|
{
|
|
struct tda9887_priv *priv = fe->analog_demod_priv;
|
|
char *buf = priv->data;
|
|
|
|
if (priv->config & TDA9887_PORT1_ACTIVE)
|
|
buf[1] &= ~cOutputPort1Inactive;
|
|
if (priv->config & TDA9887_PORT1_INACTIVE)
|
|
buf[1] |= cOutputPort1Inactive;
|
|
if (priv->config & TDA9887_PORT2_ACTIVE)
|
|
buf[1] &= ~cOutputPort2Inactive;
|
|
if (priv->config & TDA9887_PORT2_INACTIVE)
|
|
buf[1] |= cOutputPort2Inactive;
|
|
|
|
if (priv->config & TDA9887_QSS)
|
|
buf[1] |= cQSS;
|
|
if (priv->config & TDA9887_INTERCARRIER)
|
|
buf[1] &= ~cQSS;
|
|
|
|
if (priv->config & TDA9887_AUTOMUTE)
|
|
buf[1] |= cAutoMuteFmActive;
|
|
if (priv->config & TDA9887_DEEMPHASIS_MASK) {
|
|
buf[2] &= ~0x60;
|
|
switch (priv->config & TDA9887_DEEMPHASIS_MASK) {
|
|
case TDA9887_DEEMPHASIS_NONE:
|
|
buf[2] |= cDeemphasisOFF;
|
|
break;
|
|
case TDA9887_DEEMPHASIS_50:
|
|
buf[2] |= cDeemphasisON | cDeemphasis50;
|
|
break;
|
|
case TDA9887_DEEMPHASIS_75:
|
|
buf[2] |= cDeemphasisON | cDeemphasis75;
|
|
break;
|
|
}
|
|
}
|
|
if (priv->config & TDA9887_TOP_SET) {
|
|
buf[2] &= ~cTopMask;
|
|
buf[2] |= (priv->config >> 8) & cTopMask;
|
|
}
|
|
if ((priv->config & TDA9887_INTERCARRIER_NTSC) &&
|
|
(priv->std & V4L2_STD_NTSC))
|
|
buf[1] &= ~cQSS;
|
|
if (priv->config & TDA9887_GATING_18)
|
|
buf[3] &= ~cGating_36;
|
|
|
|
if (priv->mode == V4L2_TUNER_RADIO) {
|
|
if (priv->config & TDA9887_RIF_41_3) {
|
|
buf[3] &= ~cVideoIFMask;
|
|
buf[3] |= cRadioIF_41_30;
|
|
}
|
|
if (priv->config & TDA9887_GAIN_NORMAL)
|
|
buf[3] &= ~cTunerGainLow;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
static int tda9887_status(struct dvb_frontend *fe)
|
|
{
|
|
struct tda9887_priv *priv = fe->analog_demod_priv;
|
|
unsigned char buf[1];
|
|
int rc;
|
|
|
|
memset(buf,0,sizeof(buf));
|
|
if (1 != (rc = tuner_i2c_xfer_recv(&priv->i2c_props,buf,1)))
|
|
tuner_info("i2c i/o error: rc == %d (should be 1)\n", rc);
|
|
dump_read_message(fe, buf);
|
|
return 0;
|
|
}
|
|
|
|
static void tda9887_configure(struct dvb_frontend *fe)
|
|
{
|
|
struct tda9887_priv *priv = fe->analog_demod_priv;
|
|
int rc;
|
|
|
|
memset(priv->data,0,sizeof(priv->data));
|
|
tda9887_set_tvnorm(fe);
|
|
|
|
/* A note on the port settings:
|
|
These settings tend to depend on the specifics of the board.
|
|
By default they are set to inactive (bit value 1) by this driver,
|
|
overwriting any changes made by the tvnorm. This means that it
|
|
is the responsibility of the module using the tda9887 to set
|
|
these values in case of changes in the tvnorm.
|
|
In many cases port 2 should be made active (0) when selecting
|
|
SECAM-L, and port 2 should remain inactive (1) for SECAM-L'.
|
|
|
|
For the other standards the tda9887 application note says that
|
|
the ports should be set to active (0), but, again, that may
|
|
differ depending on the precise hardware configuration.
|
|
*/
|
|
priv->data[1] |= cOutputPort1Inactive;
|
|
priv->data[1] |= cOutputPort2Inactive;
|
|
|
|
tda9887_do_config(fe);
|
|
tda9887_set_insmod(fe);
|
|
|
|
if (priv->mode == T_STANDBY)
|
|
priv->data[1] |= cForcedMuteAudioON;
|
|
|
|
tuner_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
|
|
priv->data[1], priv->data[2], priv->data[3]);
|
|
if (debug > 1)
|
|
dump_write_message(fe, priv->data);
|
|
|
|
if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,priv->data,4)))
|
|
tuner_info("i2c i/o error: rc == %d (should be 4)\n", rc);
|
|
|
|
if (debug > 2) {
|
|
msleep_interruptible(1000);
|
|
tda9887_status(fe);
|
|
}
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
static void tda9887_tuner_status(struct dvb_frontend *fe)
|
|
{
|
|
struct tda9887_priv *priv = fe->analog_demod_priv;
|
|
tuner_info("Data bytes: b=0x%02x c=0x%02x e=0x%02x\n",
|
|
priv->data[1], priv->data[2], priv->data[3]);
|
|
}
|
|
|
|
static int tda9887_get_afc(struct dvb_frontend *fe)
|
|
{
|
|
struct tda9887_priv *priv = fe->analog_demod_priv;
|
|
static int AFC_BITS_2_kHz[] = {
|
|
-12500, -37500, -62500, -97500,
|
|
-112500, -137500, -162500, -187500,
|
|
187500, 162500, 137500, 112500,
|
|
97500 , 62500, 37500 , 12500
|
|
};
|
|
int afc=0;
|
|
__u8 reg = 0;
|
|
|
|
if (1 == tuner_i2c_xfer_recv(&priv->i2c_props,®,1))
|
|
afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
|
|
|
|
return afc;
|
|
}
|
|
|
|
static void tda9887_standby(struct dvb_frontend *fe)
|
|
{
|
|
struct tda9887_priv *priv = fe->analog_demod_priv;
|
|
|
|
priv->mode = T_STANDBY;
|
|
|
|
tda9887_configure(fe);
|
|
}
|
|
|
|
static void tda9887_set_params(struct dvb_frontend *fe,
|
|
struct analog_parameters *params)
|
|
{
|
|
struct tda9887_priv *priv = fe->analog_demod_priv;
|
|
|
|
priv->mode = params->mode;
|
|
priv->audmode = params->audmode;
|
|
priv->std = params->std;
|
|
tda9887_configure(fe);
|
|
}
|
|
|
|
static int tda9887_set_config(struct dvb_frontend *fe, void *priv_cfg)
|
|
{
|
|
struct tda9887_priv *priv = fe->analog_demod_priv;
|
|
|
|
priv->config = *(unsigned int *)priv_cfg;
|
|
tda9887_configure(fe);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tda9887_release(struct dvb_frontend *fe)
|
|
{
|
|
struct tda9887_priv *priv = fe->analog_demod_priv;
|
|
|
|
mutex_lock(&tda9887_list_mutex);
|
|
|
|
if (priv)
|
|
hybrid_tuner_release_state(priv);
|
|
|
|
mutex_unlock(&tda9887_list_mutex);
|
|
|
|
fe->analog_demod_priv = NULL;
|
|
}
|
|
|
|
static struct analog_demod_ops tda9887_ops = {
|
|
.info = {
|
|
.name = "tda9887",
|
|
},
|
|
.set_params = tda9887_set_params,
|
|
.standby = tda9887_standby,
|
|
.tuner_status = tda9887_tuner_status,
|
|
.get_afc = tda9887_get_afc,
|
|
.release = tda9887_release,
|
|
.set_config = tda9887_set_config,
|
|
};
|
|
|
|
struct dvb_frontend *tda9887_attach(struct dvb_frontend *fe,
|
|
struct i2c_adapter *i2c_adap,
|
|
u8 i2c_addr)
|
|
{
|
|
struct tda9887_priv *priv = NULL;
|
|
int instance;
|
|
|
|
mutex_lock(&tda9887_list_mutex);
|
|
|
|
instance = hybrid_tuner_request_state(struct tda9887_priv, priv,
|
|
hybrid_tuner_instance_list,
|
|
i2c_adap, i2c_addr, "tda9887");
|
|
switch (instance) {
|
|
case 0:
|
|
mutex_unlock(&tda9887_list_mutex);
|
|
return NULL;
|
|
case 1:
|
|
fe->analog_demod_priv = priv;
|
|
priv->mode = T_STANDBY;
|
|
tuner_info("tda988[5/6/7] found\n");
|
|
break;
|
|
default:
|
|
fe->analog_demod_priv = priv;
|
|
break;
|
|
}
|
|
|
|
mutex_unlock(&tda9887_list_mutex);
|
|
|
|
memcpy(&fe->ops.analog_ops, &tda9887_ops,
|
|
sizeof(struct analog_demod_ops));
|
|
|
|
return fe;
|
|
}
|
|
EXPORT_SYMBOL_GPL(tda9887_attach);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
/*
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
|
* ---------------------------------------------------------------------------
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|