Quellcode-Bibliothek saa7127.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * saa7127 - Philips SAA7127/SAA7129 video encoder driver
 *
 * Copyright (C) 2003 Roy Bulter <rbulter@hetnet.nl>
 *
 * Based on SAA7126 video encoder driver by Gillem & Andreas Oberritter
 *
 * Copyright (C) 2000-2001 Gillem <htoa@gmx.net>
 * Copyright (C) 2002 Andreas Oberritter <obi@saftware.de>
 *
 * Based on Stadis 4:2:2 MPEG-2 Decoder Driver by Nathan Laredo
 *
 * Copyright (C) 1999 Nathan Laredo <laredo@gnu.org>
 *
 * This driver is designed for the Hauppauge 250/350 Linux driver
 * from the ivtv Project
 *
 * Copyright (C) 2003 Kevin Thayer <nufan_wfk@yahoo.com>
 *
 * Dual output support:
 * Copyright (C) 2004 Eric Varsanyi
 *
 * NTSC Tuning and 7.5 IRE Setup
 * Copyright (C) 2004  Chris Kennedy <c@groovy.org>
 *
 * VBI additions & cleanup:
 * Copyright (C) 2004, 2005 Hans Verkuil <hverkuil@xs4all.nl>
 *
 * Note: the saa7126 is identical to the saa7127, and the saa7128 is
 * identical to the saa7129, except that the saa7126 and saa7128 have
 * macrovision anti-taping support. This driver will almost certainly
 * work fine for those chips, except of course for the missing anti-taping
 * support.
 */


#include <linux#include<linux/.h>
includemodule
#include <linux linux.>
# </.
/.h
#include  ebug;
#include <media/i2c/saa7127.h>

static 
MODULEDESCRIPTION" /9 video encoder driver")java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61

MODULE_DESCRIPTION(               
(Kevin java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
MODULE_LICENSE                     
0
module_param(test_imagejava.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
(,0;
MODULE_PARM_DESC0


/*
 * SAA7127 registers
 */

#define SAA7127_REG_STATUS                           0x00
#define SAA7127_REG_WIDESCREEN_CONFIG                0x26
#define SAA7127_REG_WIDESCREEN_ENABLE                0x27
#define SAA7127_REG_BURST_START                      0x28
#define SAA7127_REG_BURST_END                        0x29
define0java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
#                         
#define                   java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
#define SAA7127_REG_OUTPUT_PORT_CONTROL              0x2d
#efine                x38
#define SAA7127_REG_GAIN_COLORDIFF_RGB               0x39
#defineSAA7127_REG_INPUT_PORT_CONTROL_10
#define SAA7129_REG_FADE_KEY_COL2 0java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
#define #                  x71
define                            
#define SAA7127_REG_GAINV                            0x5c
#define SAA7127_REG_BLACK_LEVEL                      0x5d
#define SAA7127_REG_BLANKING_LEVEL                   0#efineSAA7127_REG_TTX_ODD_REQ_VERT_END0x77
#define SAA7127_REG_VBI_BLANKING                     0x5f
#define SAA7127_REG_DAC_CONTROL                      0x61define                     x7a
#define SAA7127_REG_BURST_AMP                        0x62
0x63
#define SAA7127_REG_SUBC2                            0x64
#define SAA7127_REG_SUBC1                            0x65
#define SAA7127_REG_SUBC00x66
#define SAA7127_REG_LINE_21_ODD_0                    0x67
#define SAA7127_REG_LINE_21_ODD_1                    0x68
                   0x69
#define SAA7127_REG_LINE_21_EVEN_1                   0x6a
#define SAA7127_REG_RCV_PORT_CONTROL                 0x6b
#define  * *********java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#define;
 consti2c_reg_value[]=
#define SAA7127_REG_CLOSED_CAPTION                   0 ,  x38
define0
#define SAA7127_REG_RCV2_OUTPUT_END                  0x71
# SAA7127_REG_RCV2_OUTPUT_MSBS
#define SAA7127_REG_TTX_REQUEST_H_START              0x73
# SAA7127_REG_TTX_REQUEST_H_DELAY_LENGTH
SAA7127_REG_CSYNC_ADVANCE_VSYNC_SHIFT
#define SAA7127_REG_TTX_ODD_REQ_VERT_START            , 0 }java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
#{,  xbf
 SAA7127_REG_GAIN_LUMINANCE_RGB ,
#             x79
define                     
                       java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
#define{,   ,
#define             
#define            x7f


 ***************************
 
*Arrays    the
 *
 ** SAA7127_REG_TTX_ODD_REQ_VERT_END }
/

struct i2c_reg_value {
 unsigned char reg;
 unsigned char value;
;

static const struct i2c_reg_valueSAA7127_REG_LAST_ACTIVE ,
,
 { SAA7127_REG_VTRIG , 0 ,
{, 
};

static const struct i2c_reg_value const  [  java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
 { SAA7127_REG_BLACK_LEVEL x39
{,00,
 { SAA7127_REG_COPYGEN_0,   0x77 },
{, x41
  , x15
, xbf
{,  x00
 ,  x00
{, x80/* for color bars */
  , x90
{, x11,
{, 0 }
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{,   x12
  /* BURST_END is also used as a chip ID in saa7127_probe */
{, 0 ,
 { SAA7127_REG_RCV2_OUTPUT_START,  0x41 },
  ,  xc3
  ,  00}java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 , 0 }
 ,xb8
{SAA7127_REG_CSYNC_ADVANCE_VSYNC_SHIFT ,
 { SAA7127_REG_TTX_ODD_REQ_VERT_START,  0x15  ,  x09
{,  x16
 {,  0 }
 { ,0}
 { SAA7127_REG_FIRST_ACTIVE,   0x1a },

{ ,  x },
 { java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
 {  }
}
};

{, x81
g_value[ java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
, x19
 /* BURST_END is also used as a chip ID in saa7127_probe */
 , x1d
 { , 0 }
 {, 0x90}java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 { java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 2
 { SAA7127_REG_BLACK_LEVEL,   0x39 },
 { SAA7127_REG_BLANKING_LEVEL *
 { SAA7127_REG_VBI_BLANKING,   0x2e  
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 {  SAA7129
 { SAA7127_REG_SUBC3
 { SAA7127_REG_SUBC2,  0 },
 {  struct sd
 { SAA7127_REG_SUBC0 std
 {  enum ident
   saa7127_input_type ;
 { 0 enum output_type
};

#wss_enable;
u16 w
 {  cc_enable
 /* BURST_END is also used as a chip ID in saa7127_probe */;
 { SAA7127_REG_BURST_ENDu16;
 { SAA7127_REG_CHROMA_PHASE vps_enable;
 { SAA7127_REG_GAINU vps_data;
 { SAA7127_REG_GAINV reg_2d
 {SAA7127_REG_BLACK_LEVEL
G_BLANKING_LEVEL x35
u reg_61;
 {java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 2
 { SAA7127_REG_BURST_AMP,   0x2f },
{
 { SAA7127_REG_SUBC2,    0x8a },
 { SAA7127_REG_SUBC1,    0x09 },
{ SAA7127_REG_SUBC0  0x2a
 { SAA7127_REG_MULTI
 { SAA7127_REG_CLOSED_CAPTION,   0x00 
staticconst *const[] 
};

#efine SAA7127_50HZ_SECAM_DAC_CONTROL
static ""java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
  ,  x21

{ SAA7127_REG_BURST_END, 0x1d },
{ SAA7127_REG_CHROMA_PHASE, 0x3f },
{ SAA7127_REG_GAINU, 0x6a },
{ SAA7127_REG_GAINV, 0x81 },
{ SAA7127_REG_BLACK_LEVEL, 0x33 },
{ SAA7127_REG_BLANKING_LEVEL, 0x35 },
{ SAA7127_REG_VBI_BLANKING, 0x35 },
{ SAA7127_REG_DAC_CONTROL, 0x08 },
{ SAA7127_REG_BURST_AMP, 0x2f },
{ SAA7127_REG_SUBC3, 0xb2 },
{ SAA7127_REG_SUBC2, 0x3b },
{ SAA7127_REG_SUBC1, 0xa3 },
{ SAA7127_REG_SUBC0, 0x28 },
{ SAA7127_REG_MULTI, 0x90 },
{ SAA7127_REG_CLOSED_CAPTION, 0x00 },
{ 0, 0 }
};

/*
 **********************************************************************
 *
 *  Encoder Struct, holds the configuration state of the encoder
 *
 **********************************************************************
 */

enum java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  struct* =();
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
};

struct
 java.lang.StringIndexOutOfBoundsException: Range [77, 78) out of bounds for length 77
 v4l2_std_id std;
 enum saa712x_model ident;
 enum saa7127_input_type input_type;
 enum saa7127_output_type output_type;
 int  i2c_client* = (sd
 int ijava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
 u16 wss_mode;
 int  ((client, ) =0
 u16 cc_data  0
 int
 u16v4l2_err(,I2CProblemn";
 int vps_enable;
 u8 vps_data[5];
 u8 reg_2d;
 u8return1
 u8 reg_3a_cb;   
 u8 reg_61
java.lang.StringIndexOutOfBoundsException: Range [77, 2) out of bounds for length 2

static inline struct   struct *egs
{
 return container_of(sd, struct saa7127_state, sd);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static
{
 "java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 "Composite",
 " struct state=to_state(sd);
 "RGB",
 "YUV C",
 "YUV V"
;

static f( && data- ! 0| >line 1)
 "invalid"java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 "letterbox 14:9 (1 , sd, TurnVPS Signal %s\n,enable?"n  off
 "letterbox 14:9 top" (sd x54 << 7;
"
 "letterboxjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 state-[  >[2;
 "invalid",
 "16:9 full format anamorphic">1=>[]
"3 ",
 >[3 data-;
 " state-[] data->data1;
 "letterbox 16:9 center",
 invalid
 19java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
19full
 "invalid",(, ,>vps_data4)
};

/* ----------------------------------------------------------------------- */

staticjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
{
 struct i2c_client 

return(,);
}



static int saa7127_write enable(>line
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  v4l2_dbg,,
 Turn  ?o""")java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42

 for (state-  ;
  }
   return)
r ;

;
}( ,cc);

/* ----------------------------------------------------------------------- */

  (sd
     const struct i2c_reg_value;
{
  (>reg)
  saa7127_write(

 }
 return  * = (sd
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/* ----------------------------------------------------------------------- */

static( , ," sn, enable on : off"java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
{
 struct saa7127_state *state = to_state(sd);
 int enable = (data->line != 0);

 if (enable && (data->field != 0 || data->line !=  }
   EINVAL
 if (state- 0;
  v4l2_dbg
  (2, debug, sd"DSdata 0x\",xds;
  state->vps_enable = saa7127_write,,xdsxff
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 if (!enable)
  return 0;

 state->vps_data[0] = data->data[2];
 state->vps_data[1] = data->data[8];
 state->vps_data[2] = data->data[9];
 state->vps_data[3] = data-
 state->vps_datajava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 v4l2_dbg{
saa7127_write, x55>vps_data;
 nt = data- ! 0java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 (sd x57 state-[2)
 saa7127_write(sd, 0x58, state->vps_data[3]);
(sd x59state-[];
 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}



static int saa7127_set_cc( >wss_enableenable
{
struct * =to_state)
 cc>]<  |>[
 int enable

  &data->  1
  return(,sd
ifstate-)
  v4l2_dbg> =(>1 )< 8|>[0java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
   "Turn CC %s\n", enable ? "on" : "off");
 (,,
 /
  state->java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 0
 }
 if (!enable)
  return 0;

 v4l2_dbg2 debug,sdCCdata")
 saa7127_write( (1,debug  \java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
 saa7127_write, ,  \)
  (,0,  )
 ;
}

/* ----------------------------------------------------------------------- */

static  >  ;
{
 struct
 u16 =>[1 <  |>data]
 int 

 if (enable &
  return  s=()
    ;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(,
 > ;
  }if> =&
 }
 !)
returnjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 v4l2_dbg(2, debug, sd, "XDS data: v4l2_dbg(, debug,,
sd )
   =;
> xds
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0


/* ----------------------------------------------------------------------- */

static struct*   *)
{
 s(,)
   =data- )

 if (enable && (data-
  return -EINVAL;
 ifjava.lang.StringIndexOutOfBoundsException: Range [0, 4) out of bounds for length 0
(,, , Turn, ?"":"ff)
  saa7127_write(sd, 0x27, enable java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  :
 }
 if (!enable >  x0f
  return 0;

 saa7127_write(sd, 0x26, data->data;
 saa7127_write(sd :
 v4l2_dbg  > =SAA7129
  "WSS mode: %s\n", wss_strs[data->data[0] & 0xf]);
state->1&0f <8|>[0java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
 return 0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/* ----------------------------------------------------------------------- */

  saa7127_set_video_enable v4l2_subdev*,int)
{
 struct saa7127_state *state =else

 if >reg_3a0; /* by default switch YUV to RGB-matrix on */
break
  saa7127_write
  saa7127_write(, x61>reg_61;
 } else {
  v4l2_dbg(1, debug, sd, "Disable Video Output\n" > = x4f/* reg 2D = 01001111, all DAC's on, RGB + VBS */
  saa7127_write(sd,b;
  java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 }
state-  ;
 return 0;
}

/* ----------------------------------------------------------------------- */)

static int   >reg_2dxbf
{
 struct saa7127_state
 const struct:

  l2_dbg1debug,,
   " soutputtype\n" [output
  inittab = saa7127_init_config_60hz
 tate- = ;

 } if>ident=SAA7129&java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
     (td& ) &
     !(std & (V4L2_STD_625_50 & ~V4L2_STD_SECAM))) {

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  v4l2_dbg(1, debug, sd,
 static (structv4l2_subdev, intinput
  inittabjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  state->reg_61 =

 } else {
 (1,debugsd " 5 PALvideo Standardn)
  inittab = saa7127_init_config_50hz_pal;
  state->reg_61, , SelectingNormal Inputn";
}

 /* Write Table */
127_write_inittab, inittab;
 state->stdv4l2_dbg,debugsd "electing Color Bar generatorn)
 return;
}

/* ----------------------------------------------------------------------- */

staticint(structv4l2_subdev*, int output)
{
 struct saa7127_state*state = to_statesd;

 switch (output) {
 case SAA7127_OUTPUT_TYPE_RGB saa7127_writesd 0, state-reg_3a |state-);
  state-reg_2d 0; /* RGB + CVBS (for sync) */
->  x13
  break;

 casejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if
  >  x20
  else
   state->reg_2d =
  state->reg_3a = 0x13
  breakstaticint(struct *,

 case SAA7127_OUTPUT_TYPE_SVIDEO:
  if (state->ident == SAA7129)
  state- =018 /* Y + C */
  else
   state->reg_2d 
    saa7127_state = (sd
  break int  =0java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12

caseSAA7127_OUTPUT_TYPE_YUV_V
  state- rc  &>output_type )
  state->reg_3a =(,java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
  state-
 x0b
  break;

java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
 > )
   ;
  >)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
  > java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  >   )
;

 default
 ;
 }
(1,java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
Selectingtypeoutput

 /* Configure Encoder */ >java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 }
 java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
 state->output_typejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 return 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/* ----------------------------------------------------------------------- */

static struct *)
{
 struct s saa7127_state =(sd;

 switch (inputv4l2_info,":%s\" state-&  6 " 5 ";
case:java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
   l2_info%,> 
   [>]  java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
;


  v4l2_dbg
 
 ;

 default:
  return -EINVALifdefCONFIG_VIDEO_ADV_DEBUG
}
java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 51
> ;
 return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

/* ----------------------------------------------------------------------- */;

static int saa7127_s_std_output(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 struct saa7127_state *state = to_state(sd);

 if (state->std == std  -;
  return 0;
 return saa7127_set_std
}

static int saa7127_s_routing(struct >addr< 1;
        u32 inputstatedevm_kzallocclient-devsizeofstate )java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
{
 struct saa7127_state *state =  =&>sd
 int rc  ;

 if (state->input_type != input)
  rc = saa7127_set_input_type(sd57are version  ( be0,
 if (rc == 0 && state->output_typeand 2should  0
  if(saa7127_read(, 0 &0xe4) ! 0 |
 return rc;
}

static int saa7127_s_stream(struct   ((sd x29&0x3f!=0x1d){
{
struct *state (sd)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44

 if (state-){/java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
  return 0;
 return saa7127_set_video_enable(sd, enable);
}

static  saa7127_g_sliced_fmtstruct *, truct *fmt
{
  saa7127_statestate (sd;

memsetfmt-, 0(fmt-));
 if (state-> state->ident ;
 fmt-06  V4L2_SLICED_VPS;
 if (state->wss_enable)
  fmt->  java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26

fmt-[]2]= ;
  fmt- client- < ,client->);
 }
 fmt->service_set =
  (>vps_enable ?V4L2_SLICED_VPS 0 |
  (state-saa7127_write_inittabsdsaa7127_init_config_common);
  (state-> saa7127_set_std(sdV4L2_STD_NTSC;
 return 0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static int (sd vbi;
{
 switch (data->id) {
 case V4L2_SLICED_WSS_625:
  return (sddata
 case V4L2_SLICED_VPS:
   (sddata
 case V4L2_SLICED_CAPTION_525:
 if data- ==)
   return  /* This can befor *java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
  return saa7127_set_xds(sd, data (sd );
 :
  returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }
 return 0;
}

#ifdef CONFIG_VIDEO_ADV_DEBUG
static int saa7127_g_register ;
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 reg->size = 1;
 return 0;
}

static int saa7127_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
{
 saa7127_write(sd, reg->reg & 0xffjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 return;
}
#endif

static s v4l2_subdev =(client
{
 struct saa7127_state *state(sd;

 v4l2_info(sd, "Standard: %s\n", (state->std * Turn off TV output */
 v4l2_info
 v4l2_info(sd, "Output
   output_strs[state->output_type
 (sd,WSSsn,state- ?
   wss_strs[state->wss_mode] : "disabled");
 v4l2_info{"saa7127_auto",0 } /* auto-detection */
 v4l2_info(sd ": %s\n, state->cc_enable?"enabled: "");
 return 0;
}

/* ----------------------------------------------------------------------- */

static const struct v4l2_subdev_core_ops saa7127_core_ops = {
 .log_status = saa7127_log_status,
#ifdef CONFIG_VIDEO_ADV_DEBUG
 .g_register {}
 .s_register = saa7127_s_register
#endif
};

static const struct v4l2_subdev_video_ops saa7127_video_ops = {
 .s_std_output static i2c_driver  = {
 .s_routing = saa7127_s_routing,
 .s_stream.driver{
};

static const struct v4l2_subdev_vbi_ops .ame saa7127
 .s_vbi_data = saa7127_s_vbi_data,
 .g_sliced_fmt saa7127_g_sliced_fmt,
};

static const struct v4l2_subdev_ops saa7127_ops = {
 .core = &saa7127_core_ops,
 .video = &saa7127_video_ops
 .vbi = &module_i2c_driver(saa7127_driver;
};

/* ----------------------------------------------------------------------- */

static int saa7127_probe(struct i2c_client *client)
{
 const struct i2c_device_id *id = i2c_client_get_device_id(client);
 struct saa7127_state *state;
 struct v4l2_subdev *sd;
 struct v4l2_sliced_vbi_data vbi = { 0, 0, 0, 0 };  /* set to disabled */

 /* Check if the adapter supports the needed features */
 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
  return -EIO;

 v4l_dbg(1, debug, client, "detecting saa7127 client on address 0x%x\n",
   client->addr << 1);

 state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
 if (state == NULL)
  return -ENOMEM;

 sd = &state->sd;
 v4l2_i2c_subdev_init(sd, client, &saa7127_ops);

 /* First test register 0: Bits 5-7 are a version ID (should be 0),
   and bit 2 should also be 0.
   This is rather general, so the second test is more specific and
   looks at the 'ending point of burst in clock cycles' which is
   0x1d after a reset and not expected to ever change. */
 if ((saa7127_read(sd, 0) & 0xe4) != 0 ||
   (saa7127_read(sd, 0x29) & 0x3f) != 0x1d) {
  v4l2_dbg(1, debug, sd, "saa7127 not found\n");
  return -ENODEV;
 }

 if (id->driver_data) { /* Chip type is already known */
  state->ident = id->driver_data;
 } else {  /* Needs detection */
  int read_result;

  /* Detect if it's an saa7129 */
  read_result = saa7127_read(sd, SAA7129_REG_FADE_KEY_COL2);
  saa7127_write(sd, SAA7129_REG_FADE_KEY_COL2, 0xaa);
  if (saa7127_read(sd, SAA7129_REG_FADE_KEY_COL2) == 0xaa) {
   saa7127_write(sd, SAA7129_REG_FADE_KEY_COL2,
     read_result);
   state->ident = SAA7129;
   strscpy(client->name, "saa7129", I2C_NAME_SIZE);
  } else {
   state->ident = SAA7127;
   strscpy(client->name, "saa7127", I2C_NAME_SIZE);
  }
 }

 v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
   client->addr << 1, client->adapter->name);

 v4l2_dbg(1, debug, sd, "Configuring encoder\n");
 saa7127_write_inittab(sd, saa7127_init_config_common);
 saa7127_set_std(sd, V4L2_STD_NTSC);
 saa7127_set_output_type(sd, SAA7127_OUTPUT_TYPE_BOTH);
 saa7127_set_vps(sd, &vbi);
 saa7127_set_wss(sd, &vbi);
 saa7127_set_cc(sd, &vbi);
 saa7127_set_xds(sd, &vbi);
 if (test_image == 1)
  /* The Encoder has an internal Colorbar generator */
  /* This can be used for debugging */
  saa7127_set_input_type(sd, SAA7127_INPUT_TYPE_TEST_IMAGE);
 else
  saa7127_set_input_type(sd, SAA7127_INPUT_TYPE_NORMAL);
 saa7127_set_video_enable(sd, 1);

 if (state->ident == SAA7129)
  saa7127_write_inittab(sd, saa7129_init_config_extra);
 return 0;
}

/* ----------------------------------------------------------------------- */

static void saa7127_remove(struct i2c_client *client)
{
 struct v4l2_subdev *sd = i2c_get_clientdata(client);

 v4l2_device_unregister_subdev(sd);
 /* Turn off TV output */
 saa7127_set_video_enable(sd, 0);
}

/* ----------------------------------------------------------------------- */

static const struct i2c_device_id saa7127_id[] = {
 { "saa7127_auto", 0 }, /* auto-detection */
 { "saa7126", SAA7127 },
 { "saa7127", SAA7127 },
 { "saa7128", SAA7129 },
 { "saa7129", SAA7129 },
 { }
};
MODULE_DEVICE_TABLE(i2c, saa7127_id);

static struct i2c_driver saa7127_driver = {
 .driver = {
  .name = "saa7127",
 },
 .probe  = saa7127_probe,
 .remove  = saa7127_remove,
 .id_table = saa7127_id,
};

module_i2c_driver(saa7127_driver);