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linux/drivers/media/video/saa717x.c
Tejun Heo 5a0e3ad6af include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 
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>
2010-03-30 22:02:32 +09:00

1532 lines
36 KiB
C
Raw Blame History

/*
* saa717x - Philips SAA717xHL video decoder driver
*
* Based on the saa7115 driver
*
* Changes by Ohta Kyuma <alpha292@bremen.or.jp>
* - Apply to SAA717x,NEC uPD64031,uPD64083. (1/31/2004)
*
* Changes by T.Adachi (tadachi@tadachi-net.com)
* - support audio, video scaler etc, and checked the initialize sequence.
*
* Cleaned up by Hans Verkuil <hverkuil@xs4all.nl>
*
* Note: this is a reversed engineered driver based on captures from
* the I2C bus under Windows. This chip is very similar to the saa7134,
* though. Unfortunately, this driver is currently only working for NTSC.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/videodev2.h>
#include <linux/i2c.h>
#include <media/v4l2-device.h>
#include <media/v4l2-i2c-drv.h>
MODULE_DESCRIPTION("Philips SAA717x audio/video decoder driver");
MODULE_AUTHOR("K. Ohta, T. Adachi, Hans Verkuil");
MODULE_LICENSE("GPL");
static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
/*
* Generic i2c probe
* concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
*/
struct saa717x_state {
struct v4l2_subdev sd;
v4l2_std_id std;
int input;
int enable;
int radio;
int bright;
int contrast;
int hue;
int sat;
int playback;
int audio;
int tuner_audio_mode;
int audio_main_mute;
int audio_main_vol_r;
int audio_main_vol_l;
u16 audio_main_bass;
u16 audio_main_treble;
u16 audio_main_volume;
u16 audio_main_balance;
int audio_input;
};
static inline struct saa717x_state *to_state(struct v4l2_subdev *sd)
{
return container_of(sd, struct saa717x_state, sd);
}
/* ----------------------------------------------------------------------- */
/* for audio mode */
#define TUNER_AUDIO_MONO 0 /* LL */
#define TUNER_AUDIO_STEREO 1 /* LR */
#define TUNER_AUDIO_LANG1 2 /* LL */
#define TUNER_AUDIO_LANG2 3 /* RR */
#define SAA717X_NTSC_WIDTH (704)
#define SAA717X_NTSC_HEIGHT (480)
/* ----------------------------------------------------------------------- */
static int saa717x_write(struct v4l2_subdev *sd, u32 reg, u32 value)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct i2c_adapter *adap = client->adapter;
int fw_addr = reg == 0x454 || (reg >= 0x464 && reg <= 0x478) || reg == 0x480 || reg == 0x488;
unsigned char mm1[6];
struct i2c_msg msg;
msg.flags = 0;
msg.addr = client->addr;
mm1[0] = (reg >> 8) & 0xff;
mm1[1] = reg & 0xff;
if (fw_addr) {
mm1[4] = (value >> 16) & 0xff;
mm1[3] = (value >> 8) & 0xff;
mm1[2] = value & 0xff;
} else {
mm1[2] = value & 0xff;
}
msg.len = fw_addr ? 5 : 3; /* Long Registers have *only* three bytes! */
msg.buf = mm1;
v4l2_dbg(2, debug, sd, "wrote: reg 0x%03x=%08x\n", reg, value);
return i2c_transfer(adap, &msg, 1) == 1;
}
static void saa717x_write_regs(struct v4l2_subdev *sd, u32 *data)
{
while (data[0] || data[1]) {
saa717x_write(sd, data[0], data[1]);
data += 2;
}
}
static u32 saa717x_read(struct v4l2_subdev *sd, u32 reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct i2c_adapter *adap = client->adapter;
int fw_addr = (reg >= 0x404 && reg <= 0x4b8) || reg == 0x528;
unsigned char mm1[2];
unsigned char mm2[4] = { 0, 0, 0, 0 };
struct i2c_msg msgs[2];
u32 value;
msgs[0].flags = 0;
msgs[1].flags = I2C_M_RD;
msgs[0].addr = msgs[1].addr = client->addr;
mm1[0] = (reg >> 8) & 0xff;
mm1[1] = reg & 0xff;
msgs[0].len = 2;
msgs[0].buf = mm1;
msgs[1].len = fw_addr ? 3 : 1; /* Multibyte Registers contains *only* 3 bytes */
msgs[1].buf = mm2;
i2c_transfer(adap, msgs, 2);
if (fw_addr)
value = (mm2[2] & 0xff) | ((mm2[1] & 0xff) >> 8) | ((mm2[0] & 0xff) >> 16);
else
value = mm2[0] & 0xff;
v4l2_dbg(2, debug, sd, "read: reg 0x%03x=0x%08x\n", reg, value);
return value;
}
/* ----------------------------------------------------------------------- */
static u32 reg_init_initialize[] =
{
/* from linux driver */
0x101, 0x008, /* Increment delay */
0x103, 0x000, /* Analog input control 2 */
0x104, 0x090, /* Analog input control 3 */
0x105, 0x090, /* Analog input control 4 */
0x106, 0x0eb, /* Horizontal sync start */
0x107, 0x0e0, /* Horizontal sync stop */
0x109, 0x055, /* Luminance control */
0x10f, 0x02a, /* Chroma gain control */
0x110, 0x000, /* Chroma control 2 */
0x114, 0x045, /* analog/ADC */
0x118, 0x040, /* RAW data gain */
0x119, 0x080, /* RAW data offset */
0x044, 0x000, /* VBI horizontal input window start (L) TASK A */
0x045, 0x000, /* VBI horizontal input window start (H) TASK A */
0x046, 0x0cf, /* VBI horizontal input window stop (L) TASK A */
0x047, 0x002, /* VBI horizontal input window stop (H) TASK A */
0x049, 0x000, /* VBI vertical input window start (H) TASK A */
0x04c, 0x0d0, /* VBI horizontal output length (L) TASK A */
0x04d, 0x002, /* VBI horizontal output length (H) TASK A */
0x064, 0x080, /* Lumina brightness TASK A */
0x065, 0x040, /* Luminance contrast TASK A */
0x066, 0x040, /* Chroma saturation TASK A */
/* 067H: Reserved */
0x068, 0x000, /* VBI horizontal scaling increment (L) TASK A */
0x069, 0x004, /* VBI horizontal scaling increment (H) TASK A */
0x06a, 0x000, /* VBI phase offset TASK A */
0x06e, 0x000, /* Horizontal phase offset Luma TASK A */
0x06f, 0x000, /* Horizontal phase offset Chroma TASK A */
0x072, 0x000, /* Vertical filter mode TASK A */
0x084, 0x000, /* VBI horizontal input window start (L) TAKS B */
0x085, 0x000, /* VBI horizontal input window start (H) TAKS B */
0x086, 0x0cf, /* VBI horizontal input window stop (L) TAKS B */
0x087, 0x002, /* VBI horizontal input window stop (H) TAKS B */
0x089, 0x000, /* VBI vertical input window start (H) TAKS B */
0x08c, 0x0d0, /* VBI horizontal output length (L) TASK B */
0x08d, 0x002, /* VBI horizontal output length (H) TASK B */
0x0a4, 0x080, /* Lumina brightness TASK B */
0x0a5, 0x040, /* Luminance contrast TASK B */
0x0a6, 0x040, /* Chroma saturation TASK B */
/* 0A7H reserved */
0x0a8, 0x000, /* VBI horizontal scaling increment (L) TASK B */
0x0a9, 0x004, /* VBI horizontal scaling increment (H) TASK B */
0x0aa, 0x000, /* VBI phase offset TASK B */
0x0ae, 0x000, /* Horizontal phase offset Luma TASK B */
0x0af, 0x000, /*Horizontal phase offset Chroma TASK B */
0x0b2, 0x000, /* Vertical filter mode TASK B */
0x00c, 0x000, /* Start point GREEN path */
0x00d, 0x000, /* Start point BLUE path */
0x00e, 0x000, /* Start point RED path */
0x010, 0x010, /* GREEN path gamma curve --- */
0x011, 0x020,
0x012, 0x030,
0x013, 0x040,
0x014, 0x050,
0x015, 0x060,
0x016, 0x070,
0x017, 0x080,
0x018, 0x090,
0x019, 0x0a0,
0x01a, 0x0b0,
0x01b, 0x0c0,
0x01c, 0x0d0,
0x01d, 0x0e0,
0x01e, 0x0f0,
0x01f, 0x0ff, /* --- GREEN path gamma curve */
0x020, 0x010, /* BLUE path gamma curve --- */
0x021, 0x020,
0x022, 0x030,
0x023, 0x040,
0x024, 0x050,
0x025, 0x060,
0x026, 0x070,
0x027, 0x080,
0x028, 0x090,
0x029, 0x0a0,
0x02a, 0x0b0,
0x02b, 0x0c0,
0x02c, 0x0d0,
0x02d, 0x0e0,
0x02e, 0x0f0,
0x02f, 0x0ff, /* --- BLUE path gamma curve */
0x030, 0x010, /* RED path gamma curve --- */
0x031, 0x020,
0x032, 0x030,
0x033, 0x040,
0x034, 0x050,
0x035, 0x060,
0x036, 0x070,
0x037, 0x080,
0x038, 0x090,
0x039, 0x0a0,
0x03a, 0x0b0,
0x03b, 0x0c0,
0x03c, 0x0d0,
0x03d, 0x0e0,
0x03e, 0x0f0,
0x03f, 0x0ff, /* --- RED path gamma curve */
0x109, 0x085, /* Luminance control */
/**** from app start ****/
0x584, 0x000, /* AGC gain control */
0x585, 0x000, /* Program count */
0x586, 0x003, /* Status reset */
0x588, 0x0ff, /* Number of audio samples (L) */
0x589, 0x00f, /* Number of audio samples (M) */
0x58a, 0x000, /* Number of audio samples (H) */
0x58b, 0x000, /* Audio select */
0x58c, 0x010, /* Audio channel assign1 */
0x58d, 0x032, /* Audio channel assign2 */
0x58e, 0x054, /* Audio channel assign3 */
0x58f, 0x023, /* Audio format */
0x590, 0x000, /* SIF control */
0x595, 0x000, /* ?? */
0x596, 0x000, /* ?? */
0x597, 0x000, /* ?? */
0x464, 0x00, /* Digital input crossbar1 */
0x46c, 0xbbbb10, /* Digital output selection1-3 */
0x470, 0x101010, /* Digital output selection4-6 */
0x478, 0x00, /* Sound feature control */
0x474, 0x18, /* Softmute control */
0x454, 0x0425b9, /* Sound Easy programming(reset) */
0x454, 0x042539, /* Sound Easy programming(reset) */
/**** common setting( of DVD play, including scaler commands) ****/
0x042, 0x003, /* Data path configuration for VBI (TASK A) */
0x082, 0x003, /* Data path configuration for VBI (TASK B) */
0x108, 0x0f8, /* Sync control */
0x2a9, 0x0fd, /* ??? */
0x102, 0x089, /* select video input "mode 9" */
0x111, 0x000, /* Mode/delay control */
0x10e, 0x00a, /* Chroma control 1 */
0x594, 0x002, /* SIF, analog I/O select */
0x454, 0x0425b9, /* Sound */
0x454, 0x042539,
0x111, 0x000,
0x10e, 0x00a,
0x464, 0x000,
0x300, 0x000,
0x301, 0x006,
0x302, 0x000,
0x303, 0x006,
0x308, 0x040,
0x309, 0x000,
0x30a, 0x000,
0x30b, 0x000,
0x000, 0x002,
0x001, 0x000,
0x002, 0x000,
0x003, 0x000,
0x004, 0x033,
0x040, 0x01d,
0x041, 0x001,
0x042, 0x004,
0x043, 0x000,
0x080, 0x01e,
0x081, 0x001,
0x082, 0x004,
0x083, 0x000,
0x190, 0x018,
0x115, 0x000,
0x116, 0x012,
0x117, 0x018,
0x04a, 0x011,
0x08a, 0x011,
0x04b, 0x000,
0x08b, 0x000,
0x048, 0x000,
0x088, 0x000,
0x04e, 0x012,
0x08e, 0x012,
0x058, 0x012,
0x098, 0x012,
0x059, 0x000,
0x099, 0x000,
0x05a, 0x003,
0x09a, 0x003,
0x05b, 0x001,
0x09b, 0x001,
0x054, 0x008,
0x094, 0x008,
0x055, 0x000,
0x095, 0x000,
0x056, 0x0c7,
0x096, 0x0c7,
0x057, 0x002,
0x097, 0x002,
0x0ff, 0x0ff,
0x060, 0x001,
0x0a0, 0x001,
0x061, 0x000,
0x0a1, 0x000,
0x062, 0x000,
0x0a2, 0x000,
0x063, 0x000,
0x0a3, 0x000,
0x070, 0x000,
0x0b0, 0x000,
0x071, 0x004,
0x0b1, 0x004,
0x06c, 0x0e9,
0x0ac, 0x0e9,
0x06d, 0x003,
0x0ad, 0x003,
0x05c, 0x0d0,
0x09c, 0x0d0,
0x05d, 0x002,
0x09d, 0x002,
0x05e, 0x0f2,
0x09e, 0x0f2,
0x05f, 0x000,
0x09f, 0x000,
0x074, 0x000,
0x0b4, 0x000,
0x075, 0x000,
0x0b5, 0x000,
0x076, 0x000,
0x0b6, 0x000,
0x077, 0x000,
0x0b7, 0x000,
0x195, 0x008,
0x0ff, 0x0ff,
0x108, 0x0f8,
0x111, 0x000,
0x10e, 0x00a,
0x2a9, 0x0fd,
0x464, 0x001,
0x454, 0x042135,
0x598, 0x0e7,
0x599, 0x07d,
0x59a, 0x018,
0x59c, 0x066,
0x59d, 0x090,
0x59e, 0x001,
0x584, 0x000,
0x585, 0x000,
0x586, 0x003,
0x588, 0x0ff,
0x589, 0x00f,
0x58a, 0x000,
0x58b, 0x000,
0x58c, 0x010,
0x58d, 0x032,
0x58e, 0x054,
0x58f, 0x023,
0x590, 0x000,
0x595, 0x000,
0x596, 0x000,
0x597, 0x000,
0x464, 0x000,
0x46c, 0xbbbb10,
0x470, 0x101010,
0x478, 0x000,
0x474, 0x018,
0x454, 0x042135,
0x598, 0x0e7,
0x599, 0x07d,
0x59a, 0x018,
0x59c, 0x066,
0x59d, 0x090,
0x59e, 0x001,
0x584, 0x000,
0x585, 0x000,
0x586, 0x003,
0x588, 0x0ff,
0x589, 0x00f,
0x58a, 0x000,
0x58b, 0x000,
0x58c, 0x010,
0x58d, 0x032,
0x58e, 0x054,
0x58f, 0x023,
0x590, 0x000,
0x595, 0x000,
0x596, 0x000,
0x597, 0x000,
0x464, 0x000,
0x46c, 0xbbbb10,
0x470, 0x101010,
0x478, 0x000,
0x474, 0x018,
0x454, 0x042135,
0x598, 0x0e7,
0x599, 0x07d,
0x59a, 0x018,
0x59c, 0x066,
0x59d, 0x090,
0x59e, 0x001,
0x584, 0x000,
0x585, 0x000,
0x586, 0x003,
0x588, 0x0ff,
0x589, 0x00f,
0x58a, 0x000,
0x58b, 0x000,
0x58c, 0x010,
0x58d, 0x032,
0x58e, 0x054,
0x58f, 0x023,
0x590, 0x000,
0x595, 0x000,
0x596, 0x000,
0x597, 0x000,
0x464, 0x000,
0x46c, 0xbbbb10,
0x470, 0x101010,
0x478, 0x000,
0x474, 0x018,
0x454, 0x042135,
0x193, 0x000,
0x300, 0x000,
0x301, 0x006,
0x302, 0x000,
0x303, 0x006,
0x308, 0x040,
0x309, 0x000,
0x30a, 0x000,
0x30b, 0x000,
0x000, 0x002,
0x001, 0x000,
0x002, 0x000,
0x003, 0x000,
0x004, 0x033,
0x040, 0x01d,
0x041, 0x001,
0x042, 0x004,
0x043, 0x000,
0x080, 0x01e,
0x081, 0x001,
0x082, 0x004,
0x083, 0x000,
0x190, 0x018,
0x115, 0x000,
0x116, 0x012,
0x117, 0x018,
0x04a, 0x011,
0x08a, 0x011,
0x04b, 0x000,
0x08b, 0x000,
0x048, 0x000,
0x088, 0x000,
0x04e, 0x012,
0x08e, 0x012,
0x058, 0x012,
0x098, 0x012,
0x059, 0x000,
0x099, 0x000,
0x05a, 0x003,
0x09a, 0x003,
0x05b, 0x001,
0x09b, 0x001,
0x054, 0x008,
0x094, 0x008,
0x055, 0x000,
0x095, 0x000,
0x056, 0x0c7,
0x096, 0x0c7,
0x057, 0x002,
0x097, 0x002,
0x060, 0x001,
0x0a0, 0x001,
0x061, 0x000,
0x0a1, 0x000,
0x062, 0x000,
0x0a2, 0x000,
0x063, 0x000,
0x0a3, 0x000,
0x070, 0x000,
0x0b0, 0x000,
0x071, 0x004,
0x0b1, 0x004,
0x06c, 0x0e9,
0x0ac, 0x0e9,
0x06d, 0x003,
0x0ad, 0x003,
0x05c, 0x0d0,
0x09c, 0x0d0,
0x05d, 0x002,
0x09d, 0x002,
0x05e, 0x0f2,
0x09e, 0x0f2,
0x05f, 0x000,
0x09f, 0x000,
0x074, 0x000,
0x0b4, 0x000,
0x075, 0x000,
0x0b5, 0x000,
0x076, 0x000,
0x0b6, 0x000,
0x077, 0x000,
0x0b7, 0x000,
0x195, 0x008,
0x598, 0x0e7,
0x599, 0x07d,
0x59a, 0x018,
0x59c, 0x066,
0x59d, 0x090,
0x59e, 0x001,
0x584, 0x000,
0x585, 0x000,
0x586, 0x003,
0x588, 0x0ff,
0x589, 0x00f,
0x58a, 0x000,
0x58b, 0x000,
0x58c, 0x010,
0x58d, 0x032,
0x58e, 0x054,
0x58f, 0x023,
0x590, 0x000,
0x595, 0x000,
0x596, 0x000,
0x597, 0x000,
0x464, 0x000,
0x46c, 0xbbbb10,
0x470, 0x101010,
0x478, 0x000,
0x474, 0x018,
0x454, 0x042135,
0x193, 0x0a6,
0x108, 0x0f8,
0x042, 0x003,
0x082, 0x003,
0x454, 0x0425b9,
0x454, 0x042539,
0x193, 0x000,
0x193, 0x0a6,
0x464, 0x000,
0, 0
};
/* Tuner */
static u32 reg_init_tuner_input[] = {
0x108, 0x0f8, /* Sync control */
0x111, 0x000, /* Mode/delay control */
0x10e, 0x00a, /* Chroma control 1 */
0, 0
};
/* Composite */
static u32 reg_init_composite_input[] = {
0x108, 0x0e8, /* Sync control */
0x111, 0x000, /* Mode/delay control */
0x10e, 0x04a, /* Chroma control 1 */
0, 0
};
/* S-Video */
static u32 reg_init_svideo_input[] = {
0x108, 0x0e8, /* Sync control */
0x111, 0x000, /* Mode/delay control */
0x10e, 0x04a, /* Chroma control 1 */
0, 0
};
static u32 reg_set_audio_template[4][2] =
{
{ /* for MONO
tadachi 6/29 DMA audio output select?
Register 0x46c
7-4: DMA2, 3-0: DMA1 ch. DMA4, DMA3 DMA2, DMA1
0: MAIN left, 1: MAIN right
2: AUX1 left, 3: AUX1 right
4: AUX2 left, 5: AUX2 right
6: DPL left, 7: DPL right
8: DPL center, 9: DPL surround
A: monitor output, B: digital sense */
0xbbbb00,
/* tadachi 6/29 DAC and I2S output select?
Register 0x470
7-4:DAC right ch. 3-0:DAC left ch.
I2S1 right,left I2S2 right,left */
0x00,
},
{ /* for STEREO */
0xbbbb10, 0x101010,
},
{ /* for LANG1 */
0xbbbb00, 0x00,
},
{ /* for LANG2/SAP */
0xbbbb11, 0x111111,
}
};
/* Get detected audio flags (from saa7134 driver) */
static void get_inf_dev_status(struct v4l2_subdev *sd,
int *dual_flag, int *stereo_flag)
{
u32 reg_data3;
static char *stdres[0x20] = {
[0x00] = "no standard detected",
[0x01] = "B/G (in progress)",
[0x02] = "D/K (in progress)",
[0x03] = "M (in progress)",
[0x04] = "B/G A2",
[0x05] = "B/G NICAM",
[0x06] = "D/K A2 (1)",
[0x07] = "D/K A2 (2)",
[0x08] = "D/K A2 (3)",
[0x09] = "D/K NICAM",
[0x0a] = "L NICAM",
[0x0b] = "I NICAM",
[0x0c] = "M Korea",
[0x0d] = "M BTSC ",
[0x0e] = "M EIAJ",
[0x0f] = "FM radio / IF 10.7 / 50 deemp",
[0x10] = "FM radio / IF 10.7 / 75 deemp",
[0x11] = "FM radio / IF sel / 50 deemp",
[0x12] = "FM radio / IF sel / 75 deemp",
[0x13 ... 0x1e] = "unknown",
[0x1f] = "??? [in progress]",
};
*dual_flag = *stereo_flag = 0;
/* (demdec status: 0x528) */
/* read current status */
reg_data3 = saa717x_read(sd, 0x0528);
v4l2_dbg(1, debug, sd, "tvaudio thread status: 0x%x [%s%s%s]\n",
reg_data3, stdres[reg_data3 & 0x1f],
(reg_data3 & 0x000020) ? ",stereo" : "",
(reg_data3 & 0x000040) ? ",dual" : "");
v4l2_dbg(1, debug, sd, "detailed status: "
"%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s#%s\n",
(reg_data3 & 0x000080) ? " A2/EIAJ pilot tone " : "",
(reg_data3 & 0x000100) ? " A2/EIAJ dual " : "",
(reg_data3 & 0x000200) ? " A2/EIAJ stereo " : "",
(reg_data3 & 0x000400) ? " A2/EIAJ noise mute " : "",
(reg_data3 & 0x000800) ? " BTSC/FM radio pilot " : "",
(reg_data3 & 0x001000) ? " SAP carrier " : "",
(reg_data3 & 0x002000) ? " BTSC stereo noise mute " : "",
(reg_data3 & 0x004000) ? " SAP noise mute " : "",
(reg_data3 & 0x008000) ? " VDSP " : "",
(reg_data3 & 0x010000) ? " NICST " : "",
(reg_data3 & 0x020000) ? " NICDU " : "",
(reg_data3 & 0x040000) ? " NICAM muted " : "",
(reg_data3 & 0x080000) ? " NICAM reserve sound " : "",
(reg_data3 & 0x100000) ? " init done " : "");
if (reg_data3 & 0x000220) {
v4l2_dbg(1, debug, sd, "ST!!!\n");
*stereo_flag = 1;
}
if (reg_data3 & 0x000140) {
v4l2_dbg(1, debug, sd, "DUAL!!!\n");
*dual_flag = 1;
}
}
/* regs write to set audio mode */
static void set_audio_mode(struct v4l2_subdev *sd, int audio_mode)
{
v4l2_dbg(1, debug, sd, "writing registers to set audio mode by set %d\n",
audio_mode);
saa717x_write(sd, 0x46c, reg_set_audio_template[audio_mode][0]);
saa717x_write(sd, 0x470, reg_set_audio_template[audio_mode][1]);
}
/* write regs to video output level (bright,contrast,hue,sat) */
static void set_video_output_level_regs(struct v4l2_subdev *sd,
struct saa717x_state *decoder)
{
/* brightness ffh (bright) - 80h (ITU level) - 00h (dark) */
saa717x_write(sd, 0x10a, decoder->bright);
/* contrast 7fh (max: 1.984) - 44h (ITU) - 40h (1.0) -
0h (luminance off) 40: i2c dump
c0h (-1.0 inverse chrominance)
80h (-2.0 inverse chrominance) */
saa717x_write(sd, 0x10b, decoder->contrast);
/* saturation? 7fh(max)-40h(ITU)-0h(color off)
c0h (-1.0 inverse chrominance)
80h (-2.0 inverse chrominance) */
saa717x_write(sd, 0x10c, decoder->sat);
/* color hue (phase) control
7fh (+178.6) - 0h (0 normal) - 80h (-180.0) */
saa717x_write(sd, 0x10d, decoder->hue);
}
/* write regs to set audio volume, bass and treble */
static int set_audio_regs(struct v4l2_subdev *sd,
struct saa717x_state *decoder)
{
u8 mute = 0xac; /* -84 dB */
u32 val;
unsigned int work_l, work_r;
/* set SIF analog I/O select */
saa717x_write(sd, 0x0594, decoder->audio_input);
v4l2_dbg(1, debug, sd, "set audio input %d\n",
decoder->audio_input);
/* normalize ( 65535 to 0 -> 24 to -40 (not -84)) */
work_l = (min(65536 - decoder->audio_main_balance, 32768) * decoder->audio_main_volume) / 32768;
work_r = (min(decoder->audio_main_balance, (u16)32768) * decoder->audio_main_volume) / 32768;
decoder->audio_main_vol_l = (long)work_l * (24 - (-40)) / 65535 - 40;
decoder->audio_main_vol_r = (long)work_r * (24 - (-40)) / 65535 - 40;
/* set main volume */
/* main volume L[7-0],R[7-0],0x00 24=24dB,-83dB, -84(mute) */
/* def:0dB->6dB(MPG600GR) */
/* if mute is on, set mute */
if (decoder->audio_main_mute) {
val = mute | (mute << 8);
} else {
val = (u8)decoder->audio_main_vol_l |
((u8)decoder->audio_main_vol_r << 8);
}
saa717x_write(sd, 0x480, val);
/* bass and treble; go to another function */
/* set bass and treble */
val = decoder->audio_main_bass | (decoder->audio_main_treble << 8);
saa717x_write(sd, 0x488, val);
return 0;
}
/********** scaling staff ***********/
static void set_h_prescale(struct v4l2_subdev *sd,
int task, int prescale)
{
static const struct {
int xpsc;
int xacl;
int xc2_1;
int xdcg;
int vpfy;
} vals[] = {
/* XPSC XACL XC2_1 XDCG VPFY */
{ 1, 0, 0, 0, 0 },
{ 2, 2, 1, 2, 2 },
{ 3, 4, 1, 3, 2 },
{ 4, 8, 1, 4, 2 },
{ 5, 8, 1, 4, 2 },
{ 6, 8, 1, 4, 3 },
{ 7, 8, 1, 4, 3 },
{ 8, 15, 0, 4, 3 },
{ 9, 15, 0, 4, 3 },
{ 10, 16, 1, 5, 3 },
};
static const int count = ARRAY_SIZE(vals);
int i, task_shift;
task_shift = task * 0x40;
for (i = 0; i < count; i++)
if (vals[i].xpsc == prescale)
break;
if (i == count)
return;
/* horizonal prescaling */
saa717x_write(sd, 0x60 + task_shift, vals[i].xpsc);
/* accumulation length */
saa717x_write(sd, 0x61 + task_shift, vals[i].xacl);
/* level control */
saa717x_write(sd, 0x62 + task_shift,
(vals[i].xc2_1 << 3) | vals[i].xdcg);
/*FIR prefilter control */
saa717x_write(sd, 0x63 + task_shift,
(vals[i].vpfy << 2) | vals[i].vpfy);
}
/********** scaling staff ***********/
static void set_v_scale(struct v4l2_subdev *sd, int task, int yscale)
{
int task_shift;
task_shift = task * 0x40;
/* Vertical scaling ratio (LOW) */
saa717x_write(sd, 0x70 + task_shift, yscale & 0xff);
/* Vertical scaling ratio (HI) */
saa717x_write(sd, 0x71 + task_shift, yscale >> 8);
}
static int saa717x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct saa717x_state *state = to_state(sd);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
if (ctrl->value < 0 || ctrl->value > 255) {
v4l2_err(sd, "invalid brightness setting %d\n", ctrl->value);
return -ERANGE;
}
state->bright = ctrl->value;
v4l2_dbg(1, debug, sd, "bright:%d\n", state->bright);
saa717x_write(sd, 0x10a, state->bright);
break;
case V4L2_CID_CONTRAST:
if (ctrl->value < 0 || ctrl->value > 127) {
v4l2_err(sd, "invalid contrast setting %d\n", ctrl->value);
return -ERANGE;
}
state->contrast = ctrl->value;
v4l2_dbg(1, debug, sd, "contrast:%d\n", state->contrast);
saa717x_write(sd, 0x10b, state->contrast);
break;
case V4L2_CID_SATURATION:
if (ctrl->value < 0 || ctrl->value > 127) {
v4l2_err(sd, "invalid saturation setting %d\n", ctrl->value);
return -ERANGE;
}
state->sat = ctrl->value;
v4l2_dbg(1, debug, sd, "sat:%d\n", state->sat);
saa717x_write(sd, 0x10c, state->sat);
break;
case V4L2_CID_HUE:
if (ctrl->value < -128 || ctrl->value > 127) {
v4l2_err(sd, "invalid hue setting %d\n", ctrl->value);
return -ERANGE;
}
state->hue = ctrl->value;
v4l2_dbg(1, debug, sd, "hue:%d\n", state->hue);
saa717x_write(sd, 0x10d, state->hue);
break;
case V4L2_CID_AUDIO_MUTE:
state->audio_main_mute = ctrl->value;
set_audio_regs(sd, state);
break;
case V4L2_CID_AUDIO_VOLUME:
state->audio_main_volume = ctrl->value;
set_audio_regs(sd, state);
break;
case V4L2_CID_AUDIO_BALANCE:
state->audio_main_balance = ctrl->value;
set_audio_regs(sd, state);
break;
case V4L2_CID_AUDIO_TREBLE:
state->audio_main_treble = ctrl->value;
set_audio_regs(sd, state);
break;
case V4L2_CID_AUDIO_BASS:
state->audio_main_bass = ctrl->value;
set_audio_regs(sd, state);
break;
default:
return -EINVAL;
}
return 0;
}
static int saa717x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct saa717x_state *state = to_state(sd);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
ctrl->value = state->bright;
break;
case V4L2_CID_CONTRAST:
ctrl->value = state->contrast;
break;
case V4L2_CID_SATURATION:
ctrl->value = state->sat;
break;
case V4L2_CID_HUE:
ctrl->value = state->hue;
break;
case V4L2_CID_AUDIO_MUTE:
ctrl->value = state->audio_main_mute;
break;
case V4L2_CID_AUDIO_VOLUME:
ctrl->value = state->audio_main_volume;
break;
case V4L2_CID_AUDIO_BALANCE:
ctrl->value = state->audio_main_balance;
break;
case V4L2_CID_AUDIO_TREBLE:
ctrl->value = state->audio_main_treble;
break;
case V4L2_CID_AUDIO_BASS:
ctrl->value = state->audio_main_bass;
break;
default:
return -EINVAL;
}
return 0;
}
static struct v4l2_queryctrl saa717x_qctrl[] = {
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness",
.minimum = 0,
.maximum = 255,
.step = 1,
.default_value = 128,
.flags = 0,
}, {
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = 0,
.maximum = 255,
.step = 1,
.default_value = 64,
.flags = 0,
}, {
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Saturation",
.minimum = 0,
.maximum = 255,
.step = 1,
.default_value = 64,
.flags = 0,
}, {
.id = V4L2_CID_HUE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Hue",
.minimum = -128,
.maximum = 127,
.step = 1,
.default_value = 0,
.flags = 0,
}, {
.id = V4L2_CID_AUDIO_VOLUME,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Volume",
.minimum = 0,
.maximum = 65535,
.step = 65535 / 100,
.default_value = 58880,
.flags = 0,
}, {
.id = V4L2_CID_AUDIO_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Balance",
.minimum = 0,
.maximum = 65535,
.step = 65535 / 100,
.default_value = 32768,
.flags = 0,
}, {
.id = V4L2_CID_AUDIO_MUTE,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Mute",
.minimum = 0,
.maximum = 1,
.step = 1,
.default_value = 1,
.flags = 0,
}, {
.id = V4L2_CID_AUDIO_BASS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Bass",
.minimum = 0,
.maximum = 65535,
.step = 65535 / 100,
.default_value = 32768,
}, {
.id = V4L2_CID_AUDIO_TREBLE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Treble",
.minimum = 0,
.maximum = 65535,
.step = 65535 / 100,
.default_value = 32768,
},
};
static int saa717x_s_video_routing(struct v4l2_subdev *sd,
u32 input, u32 output, u32 config)
{
struct saa717x_state *decoder = to_state(sd);
int is_tuner = input & 0x80; /* tuner input flag */
input &= 0x7f;
v4l2_dbg(1, debug, sd, "decoder set input (%d)\n", input);
/* inputs from 0-9 are available*/
/* saa717x have mode0-mode9 but mode5 is reserved. */
if (input > 9 || input == 5)
return -EINVAL;
if (decoder->input != input) {
int input_line = input;
decoder->input = input_line;
v4l2_dbg(1, debug, sd, "now setting %s input %d\n",
input_line >= 6 ? "S-Video" : "Composite",
input_line);
/* select mode */
saa717x_write(sd, 0x102,
(saa717x_read(sd, 0x102) & 0xf0) |
input_line);
/* bypass chrominance trap for modes 6..9 */
saa717x_write(sd, 0x109,
(saa717x_read(sd, 0x109) & 0x7f) |
(input_line < 6 ? 0x0 : 0x80));
/* change audio_mode */
if (is_tuner) {
/* tuner */
set_audio_mode(sd, decoder->tuner_audio_mode);
} else {
/* Force to STEREO mode if Composite or
* S-Video were chosen */
set_audio_mode(sd, TUNER_AUDIO_STEREO);
}
/* change initialize procedure (Composite/S-Video) */
if (is_tuner)
saa717x_write_regs(sd, reg_init_tuner_input);
else if (input_line >= 6)
saa717x_write_regs(sd, reg_init_svideo_input);
else
saa717x_write_regs(sd, reg_init_composite_input);
}
return 0;
}
static int saa717x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
{
int i;
for (i = 0; i < ARRAY_SIZE(saa717x_qctrl); i++)
if (qc->id && qc->id == saa717x_qctrl[i].id) {
memcpy(qc, &saa717x_qctrl[i], sizeof(*qc));
return 0;
}
return -EINVAL;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int saa717x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = saa717x_read(sd, reg->reg);
reg->size = 1;
return 0;
}
static int saa717x_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
u16 addr = reg->reg & 0xffff;
u8 val = reg->val & 0xff;
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
saa717x_write(sd, addr, val);
return 0;
}
#endif
static int saa717x_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
{
struct v4l2_pix_format *pix;
int prescale, h_scale, v_scale;
pix = &fmt->fmt.pix;
v4l2_dbg(1, debug, sd, "decoder set size\n");
/* FIXME need better bounds checking here */
if (pix->width < 1 || pix->width > 1440)
return -EINVAL;
if (pix->height < 1 || pix->height > 960)
return -EINVAL;
/* scaling setting */
/* NTSC and interlace only */
prescale = SAA717X_NTSC_WIDTH / pix->width;
if (prescale == 0)
prescale = 1;
h_scale = 1024 * SAA717X_NTSC_WIDTH / prescale / pix->width;
/* interlace */
v_scale = 512 * 2 * SAA717X_NTSC_HEIGHT / pix->height;
/* Horizontal prescaling etc */
set_h_prescale(sd, 0, prescale);
set_h_prescale(sd, 1, prescale);
/* Horizontal scaling increment */
/* TASK A */
saa717x_write(sd, 0x6C, (u8)(h_scale & 0xFF));
saa717x_write(sd, 0x6D, (u8)((h_scale >> 8) & 0xFF));
/* TASK B */
saa717x_write(sd, 0xAC, (u8)(h_scale & 0xFF));
saa717x_write(sd, 0xAD, (u8)((h_scale >> 8) & 0xFF));
/* Vertical prescaling etc */
set_v_scale(sd, 0, v_scale);
set_v_scale(sd, 1, v_scale);
/* set video output size */
/* video number of pixels at output */
/* TASK A */
saa717x_write(sd, 0x5C, (u8)(pix->width & 0xFF));
saa717x_write(sd, 0x5D, (u8)((pix->width >> 8) & 0xFF));
/* TASK B */
saa717x_write(sd, 0x9C, (u8)(pix->width & 0xFF));
saa717x_write(sd, 0x9D, (u8)((pix->width >> 8) & 0xFF));
/* video number of lines at output */
/* TASK A */
saa717x_write(sd, 0x5E, (u8)(pix->height & 0xFF));
saa717x_write(sd, 0x5F, (u8)((pix->height >> 8) & 0xFF));
/* TASK B */
saa717x_write(sd, 0x9E, (u8)(pix->height & 0xFF));
saa717x_write(sd, 0x9F, (u8)((pix->height >> 8) & 0xFF));
return 0;
}
static int saa717x_s_radio(struct v4l2_subdev *sd)
{
struct saa717x_state *decoder = to_state(sd);
decoder->radio = 1;
return 0;
}
static int saa717x_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
{
struct saa717x_state *decoder = to_state(sd);
v4l2_dbg(1, debug, sd, "decoder set norm ");
v4l2_dbg(1, debug, sd, "(not yet implementd)\n");
decoder->radio = 0;
decoder->std = std;
return 0;
}
static int saa717x_s_audio_routing(struct v4l2_subdev *sd,
u32 input, u32 output, u32 config)
{
struct saa717x_state *decoder = to_state(sd);
if (input < 3) { /* FIXME! --tadachi */
decoder->audio_input = input;
v4l2_dbg(1, debug, sd,
"set decoder audio input to %d\n",
decoder->audio_input);
set_audio_regs(sd, decoder);
return 0;
}
return -ERANGE;
}
static int saa717x_s_stream(struct v4l2_subdev *sd, int enable)
{
struct saa717x_state *decoder = to_state(sd);
v4l2_dbg(1, debug, sd, "decoder %s output\n",
enable ? "enable" : "disable");
decoder->enable = enable;
saa717x_write(sd, 0x193, enable ? 0xa6 : 0x26);
return 0;
}
/* change audio mode */
static int saa717x_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
{
struct saa717x_state *decoder = to_state(sd);
int audio_mode;
char *mes[4] = {
"MONO", "STEREO", "LANG1", "LANG2/SAP"
};
audio_mode = TUNER_AUDIO_STEREO;
switch (vt->audmode) {
case V4L2_TUNER_MODE_MONO:
audio_mode = TUNER_AUDIO_MONO;
break;
case V4L2_TUNER_MODE_STEREO:
audio_mode = TUNER_AUDIO_STEREO;
break;
case V4L2_TUNER_MODE_LANG2:
audio_mode = TUNER_AUDIO_LANG2;
break;
case V4L2_TUNER_MODE_LANG1:
audio_mode = TUNER_AUDIO_LANG1;
break;
}
v4l2_dbg(1, debug, sd, "change audio mode to %s\n",
mes[audio_mode]);
decoder->tuner_audio_mode = audio_mode;
/* The registers are not changed here. */
/* See DECODER_ENABLE_OUTPUT section. */
set_audio_mode(sd, decoder->tuner_audio_mode);
return 0;
}
static int saa717x_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
{
struct saa717x_state *decoder = to_state(sd);
int dual_f, stereo_f;
if (decoder->radio)
return 0;
get_inf_dev_status(sd, &dual_f, &stereo_f);
v4l2_dbg(1, debug, sd, "DETECT==st:%d dual:%d\n",
stereo_f, dual_f);
/* mono */
if ((dual_f == 0) && (stereo_f == 0)) {
vt->rxsubchans = V4L2_TUNER_SUB_MONO;
v4l2_dbg(1, debug, sd, "DETECT==MONO\n");
}
/* stereo */
if (stereo_f == 1) {
if (vt->audmode == V4L2_TUNER_MODE_STEREO ||
vt->audmode == V4L2_TUNER_MODE_LANG1) {
vt->rxsubchans = V4L2_TUNER_SUB_STEREO;
v4l2_dbg(1, debug, sd, "DETECT==ST(ST)\n");
} else {
vt->rxsubchans = V4L2_TUNER_SUB_MONO;
v4l2_dbg(1, debug, sd, "DETECT==ST(MONO)\n");
}
}
/* dual */
if (dual_f == 1) {
if (vt->audmode == V4L2_TUNER_MODE_LANG2) {
vt->rxsubchans = V4L2_TUNER_SUB_LANG2 | V4L2_TUNER_SUB_MONO;
v4l2_dbg(1, debug, sd, "DETECT==DUAL1\n");
} else {
vt->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_MONO;
v4l2_dbg(1, debug, sd, "DETECT==DUAL2\n");
}
}
return 0;
}
/* ----------------------------------------------------------------------- */
static const struct v4l2_subdev_core_ops saa717x_core_ops = {
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = saa717x_g_register,
.s_register = saa717x_s_register,
#endif
.queryctrl = saa717x_queryctrl,
.g_ctrl = saa717x_g_ctrl,
.s_ctrl = saa717x_s_ctrl,
.s_std = saa717x_s_std,
};
static const struct v4l2_subdev_tuner_ops saa717x_tuner_ops = {
.g_tuner = saa717x_g_tuner,
.s_tuner = saa717x_s_tuner,
.s_radio = saa717x_s_radio,
};
static const struct v4l2_subdev_video_ops saa717x_video_ops = {
.s_routing = saa717x_s_video_routing,
.s_fmt = saa717x_s_fmt,
.s_stream = saa717x_s_stream,
};
static const struct v4l2_subdev_audio_ops saa717x_audio_ops = {
.s_routing = saa717x_s_audio_routing,
};
static const struct v4l2_subdev_ops saa717x_ops = {
.core = &saa717x_core_ops,
.tuner = &saa717x_tuner_ops,
.audio = &saa717x_audio_ops,
.video = &saa717x_video_ops,
};
/* ----------------------------------------------------------------------- */
/* i2c implementation */
/* ----------------------------------------------------------------------- */
static int saa717x_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct saa717x_state *decoder;
struct v4l2_subdev *sd;
u8 id = 0;
char *p = "";
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -EIO;
decoder = kzalloc(sizeof(struct saa717x_state), GFP_KERNEL);
if (decoder == NULL)
return -ENOMEM;
sd = &decoder->sd;
v4l2_i2c_subdev_init(sd, client, &saa717x_ops);
if (saa717x_write(sd, 0x5a4, 0xfe) &&
saa717x_write(sd, 0x5a5, 0x0f) &&
saa717x_write(sd, 0x5a6, 0x00) &&
saa717x_write(sd, 0x5a7, 0x01))
id = saa717x_read(sd, 0x5a0);
if (id != 0xc2 && id != 0x32 && id != 0xf2 && id != 0x6c) {
v4l2_dbg(1, debug, sd, "saa717x not found (id=%02x)\n", id);
kfree(decoder);
return -ENODEV;
}
if (id == 0xc2)
p = "saa7173";
else if (id == 0x32)
p = "saa7174A";
else if (id == 0x6c)
p = "saa7174HL";
else
p = "saa7171";
v4l2_info(sd, "%s found @ 0x%x (%s)\n", p,
client->addr << 1, client->adapter->name);
decoder->std = V4L2_STD_NTSC;
decoder->input = -1;
decoder->enable = 1;
/* tune these parameters */
decoder->bright = 0x80;
decoder->contrast = 0x44;
decoder->sat = 0x40;
decoder->hue = 0x00;
/* FIXME!! */
decoder->playback = 0; /* initially capture mode used */
decoder->audio = 1; /* DECODER_AUDIO_48_KHZ */
decoder->audio_input = 2; /* FIXME!! */
decoder->tuner_audio_mode = TUNER_AUDIO_STEREO;
/* set volume, bass and treble */
decoder->audio_main_vol_l = 6;
decoder->audio_main_vol_r = 6;
decoder->audio_main_bass = 0;
decoder->audio_main_treble = 0;
decoder->audio_main_mute = 0;
decoder->audio_main_balance = 32768;
/* normalize (24 to -40 (not -84) -> 65535 to 0) */
decoder->audio_main_volume =
(decoder->audio_main_vol_r + 41) * 65535 / (24 - (-40));
v4l2_dbg(1, debug, sd, "writing init values\n");
/* FIXME!! */
saa717x_write_regs(sd, reg_init_initialize);
set_video_output_level_regs(sd, decoder);
/* set bass,treble to 0db 20041101 K.Ohta */
decoder->audio_main_bass = 0;
decoder->audio_main_treble = 0;
set_audio_regs(sd, decoder);
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(2*HZ);
return 0;
}
static int saa717x_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
v4l2_device_unregister_subdev(sd);
kfree(to_state(sd));
return 0;
}
/* ----------------------------------------------------------------------- */
static const struct i2c_device_id saa717x_id[] = {
{ "saa717x", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, saa717x_id);
static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "saa717x",
.probe = saa717x_probe,
.remove = saa717x_remove,
.id_table = saa717x_id,
};
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