2 * saa7127 - Philips SAA7127/SAA7129 video encoder driver
4 * Copyright (C) 2003 Roy Bulter <rbulter@hetnet.nl>
6 * Based on SAA7126 video encoder driver by Gillem & Andreas Oberritter
8 * Copyright (C) 2000-2001 Gillem <htoa@gmx.net>
9 * Copyright (C) 2002 Andreas Oberritter <obi@saftware.de>
11 * Based on Stadis 4:2:2 MPEG-2 Decoder Driver by Nathan Laredo
13 * Copyright (C) 1999 Nathan Laredo <laredo@gnu.org>
15 * This driver is designed for the Hauppauge 250/350 Linux driver
16 * from the ivtv Project
18 * Copyright (C) 2003 Kevin Thayer <nufan_wfk@yahoo.com>
20 * Dual output support:
21 * Copyright (C) 2004 Eric Varsanyi
23 * NTSC Tuning and 7.5 IRE Setup
24 * Copyright (C) 2004 Chris Kennedy <c@groovy.org>
26 * VBI additions & cleanup:
27 * Copyright (C) 2004, 2005 Hans Verkuil <hverkuil@xs4all.nl>
29 * Note: the saa7126 is identical to the saa7127, and the saa7128 is
30 * identical to the saa7129, except that the saa7126 and saa7128 have
31 * macrovision anti-taping support. This driver will almost certainly
32 * work find for those chips, except of course for the missing anti-taping
35 * This program is free software; you can redistribute it and/or modify
36 * it under the terms of the GNU General Public License as published by
37 * the Free Software Foundation; either version 2 of the License, or
38 * (at your option) any later version.
40 * This program is distributed in the hope that it will be useful,
41 * but WITHOUT ANY WARRANTY; without even the implied warranty of
42 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
43 * GNU General Public License for more details.
45 * You should have received a copy of the GNU General Public License
46 * along with this program; if not, write to the Free Software
47 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
51 #include <linux/kernel.h>
52 #include <linux/module.h>
53 #include <linux/slab.h>
54 #include <linux/i2c.h>
55 #include <linux/videodev2.h>
56 #include <media/v4l2-common.h>
57 #include <media/v4l2-chip-ident.h>
58 #include <media/v4l2-i2c-drv-legacy.h>
59 #include <media/saa7127.h>
62 static int test_image
= 0;
64 MODULE_DESCRIPTION("Philips SAA7127/9 video encoder driver");
65 MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil");
66 MODULE_LICENSE("GPL");
67 module_param(debug
, int, 0644);
68 module_param(test_image
, int, 0644);
69 MODULE_PARM_DESC(debug
, "debug level (0-2)");
70 MODULE_PARM_DESC(test_image
, "test_image (0-1)");
72 static unsigned short normal_i2c
[] = { 0x88 >> 1, I2C_CLIENT_END
};
81 #define SAA7127_REG_STATUS 0x00
82 #define SAA7127_REG_WIDESCREEN_CONFIG 0x26
83 #define SAA7127_REG_WIDESCREEN_ENABLE 0x27
84 #define SAA7127_REG_BURST_START 0x28
85 #define SAA7127_REG_BURST_END 0x29
86 #define SAA7127_REG_COPYGEN_0 0x2a
87 #define SAA7127_REG_COPYGEN_1 0x2b
88 #define SAA7127_REG_COPYGEN_2 0x2c
89 #define SAA7127_REG_OUTPUT_PORT_CONTROL 0x2d
90 #define SAA7127_REG_GAIN_LUMINANCE_RGB 0x38
91 #define SAA7127_REG_GAIN_COLORDIFF_RGB 0x39
92 #define SAA7127_REG_INPUT_PORT_CONTROL_1 0x3a
93 #define SAA7129_REG_FADE_KEY_COL2 0x4f
94 #define SAA7127_REG_CHROMA_PHASE 0x5a
95 #define SAA7127_REG_GAINU 0x5b
96 #define SAA7127_REG_GAINV 0x5c
97 #define SAA7127_REG_BLACK_LEVEL 0x5d
98 #define SAA7127_REG_BLANKING_LEVEL 0x5e
99 #define SAA7127_REG_VBI_BLANKING 0x5f
100 #define SAA7127_REG_DAC_CONTROL 0x61
101 #define SAA7127_REG_BURST_AMP 0x62
102 #define SAA7127_REG_SUBC3 0x63
103 #define SAA7127_REG_SUBC2 0x64
104 #define SAA7127_REG_SUBC1 0x65
105 #define SAA7127_REG_SUBC0 0x66
106 #define SAA7127_REG_LINE_21_ODD_0 0x67
107 #define SAA7127_REG_LINE_21_ODD_1 0x68
108 #define SAA7127_REG_LINE_21_EVEN_0 0x69
109 #define SAA7127_REG_LINE_21_EVEN_1 0x6a
110 #define SAA7127_REG_RCV_PORT_CONTROL 0x6b
111 #define SAA7127_REG_VTRIG 0x6c
112 #define SAA7127_REG_HTRIG_HI 0x6d
113 #define SAA7127_REG_MULTI 0x6e
114 #define SAA7127_REG_CLOSED_CAPTION 0x6f
115 #define SAA7127_REG_RCV2_OUTPUT_START 0x70
116 #define SAA7127_REG_RCV2_OUTPUT_END 0x71
117 #define SAA7127_REG_RCV2_OUTPUT_MSBS 0x72
118 #define SAA7127_REG_TTX_REQUEST_H_START 0x73
119 #define SAA7127_REG_TTX_REQUEST_H_DELAY_LENGTH 0x74
120 #define SAA7127_REG_CSYNC_ADVANCE_VSYNC_SHIFT 0x75
121 #define SAA7127_REG_TTX_ODD_REQ_VERT_START 0x76
122 #define SAA7127_REG_TTX_ODD_REQ_VERT_END 0x77
123 #define SAA7127_REG_TTX_EVEN_REQ_VERT_START 0x78
124 #define SAA7127_REG_TTX_EVEN_REQ_VERT_END 0x79
125 #define SAA7127_REG_FIRST_ACTIVE 0x7a
126 #define SAA7127_REG_LAST_ACTIVE 0x7b
127 #define SAA7127_REG_MSB_VERTICAL 0x7c
128 #define SAA7127_REG_DISABLE_TTX_LINE_LO_0 0x7e
129 #define SAA7127_REG_DISABLE_TTX_LINE_LO_1 0x7f
132 **********************************************************************
134 * Arrays with configuration parameters for the SAA7127
136 **********************************************************************
139 struct i2c_reg_value
{
144 static const struct i2c_reg_value saa7129_init_config_extra
[] = {
145 { SAA7127_REG_OUTPUT_PORT_CONTROL
, 0x38 },
146 { SAA7127_REG_VTRIG
, 0xfa },
150 static const struct i2c_reg_value saa7127_init_config_common
[] = {
151 { SAA7127_REG_WIDESCREEN_CONFIG
, 0x0d },
152 { SAA7127_REG_WIDESCREEN_ENABLE
, 0x00 },
153 { SAA7127_REG_COPYGEN_0
, 0x77 },
154 { SAA7127_REG_COPYGEN_1
, 0x41 },
155 { SAA7127_REG_COPYGEN_2
, 0x00 }, /* Macrovision enable/disable */
156 { SAA7127_REG_OUTPUT_PORT_CONTROL
, 0x9e },
157 { SAA7127_REG_GAIN_LUMINANCE_RGB
, 0x00 },
158 { SAA7127_REG_GAIN_COLORDIFF_RGB
, 0x00 },
159 { SAA7127_REG_INPUT_PORT_CONTROL_1
, 0x80 }, /* for color bars */
160 { SAA7127_REG_LINE_21_ODD_0
, 0x77 },
161 { SAA7127_REG_LINE_21_ODD_1
, 0x41 },
162 { SAA7127_REG_LINE_21_EVEN_0
, 0x88 },
163 { SAA7127_REG_LINE_21_EVEN_1
, 0x41 },
164 { SAA7127_REG_RCV_PORT_CONTROL
, 0x12 },
165 { SAA7127_REG_VTRIG
, 0xf9 },
166 { SAA7127_REG_HTRIG_HI
, 0x00 },
167 { SAA7127_REG_RCV2_OUTPUT_START
, 0x41 },
168 { SAA7127_REG_RCV2_OUTPUT_END
, 0xc3 },
169 { SAA7127_REG_RCV2_OUTPUT_MSBS
, 0x00 },
170 { SAA7127_REG_TTX_REQUEST_H_START
, 0x3e },
171 { SAA7127_REG_TTX_REQUEST_H_DELAY_LENGTH
, 0xb8 },
172 { SAA7127_REG_CSYNC_ADVANCE_VSYNC_SHIFT
, 0x03 },
173 { SAA7127_REG_TTX_ODD_REQ_VERT_START
, 0x15 },
174 { SAA7127_REG_TTX_ODD_REQ_VERT_END
, 0x16 },
175 { SAA7127_REG_TTX_EVEN_REQ_VERT_START
, 0x15 },
176 { SAA7127_REG_TTX_EVEN_REQ_VERT_END
, 0x16 },
177 { SAA7127_REG_FIRST_ACTIVE
, 0x1a },
178 { SAA7127_REG_LAST_ACTIVE
, 0x01 },
179 { SAA7127_REG_MSB_VERTICAL
, 0xc0 },
180 { SAA7127_REG_DISABLE_TTX_LINE_LO_0
, 0x00 },
181 { SAA7127_REG_DISABLE_TTX_LINE_LO_1
, 0x00 },
185 #define SAA7127_60HZ_DAC_CONTROL 0x15
186 static const struct i2c_reg_value saa7127_init_config_60hz
[] = {
187 { SAA7127_REG_BURST_START
, 0x19 },
188 /* BURST_END is also used as a chip ID in saa7127_detect_client */
189 { SAA7127_REG_BURST_END
, 0x1d },
190 { SAA7127_REG_CHROMA_PHASE
, 0xa3 },
191 { SAA7127_REG_GAINU
, 0x98 },
192 { SAA7127_REG_GAINV
, 0xd3 },
193 { SAA7127_REG_BLACK_LEVEL
, 0x39 },
194 { SAA7127_REG_BLANKING_LEVEL
, 0x2e },
195 { SAA7127_REG_VBI_BLANKING
, 0x2e },
196 { SAA7127_REG_DAC_CONTROL
, 0x15 },
197 { SAA7127_REG_BURST_AMP
, 0x4d },
198 { SAA7127_REG_SUBC3
, 0x1f },
199 { SAA7127_REG_SUBC2
, 0x7c },
200 { SAA7127_REG_SUBC1
, 0xf0 },
201 { SAA7127_REG_SUBC0
, 0x21 },
202 { SAA7127_REG_MULTI
, 0x90 },
203 { SAA7127_REG_CLOSED_CAPTION
, 0x11 },
207 #define SAA7127_50HZ_DAC_CONTROL 0x02
208 static struct i2c_reg_value saa7127_init_config_50hz
[] = {
209 { SAA7127_REG_BURST_START
, 0x21 },
210 /* BURST_END is also used as a chip ID in saa7127_detect_client */
211 { SAA7127_REG_BURST_END
, 0x1d },
212 { SAA7127_REG_CHROMA_PHASE
, 0x3f },
213 { SAA7127_REG_GAINU
, 0x7d },
214 { SAA7127_REG_GAINV
, 0xaf },
215 { SAA7127_REG_BLACK_LEVEL
, 0x33 },
216 { SAA7127_REG_BLANKING_LEVEL
, 0x35 },
217 { SAA7127_REG_VBI_BLANKING
, 0x35 },
218 { SAA7127_REG_DAC_CONTROL
, 0x02 },
219 { SAA7127_REG_BURST_AMP
, 0x2f },
220 { SAA7127_REG_SUBC3
, 0xcb },
221 { SAA7127_REG_SUBC2
, 0x8a },
222 { SAA7127_REG_SUBC1
, 0x09 },
223 { SAA7127_REG_SUBC0
, 0x2a },
224 { SAA7127_REG_MULTI
, 0xa0 },
225 { SAA7127_REG_CLOSED_CAPTION
, 0x00 },
230 **********************************************************************
232 * Encoder Struct, holds the configuration state of the encoder
234 **********************************************************************
237 struct saa7127_state
{
240 enum saa7127_input_type input_type
;
241 enum saa7127_output_type output_type
;
253 u8 reg_3a_cb
; /* colorbar bit */
257 static const char * const output_strs
[] =
259 "S-Video + Composite",
267 static const char * const wss_strs
[] = {
269 "letterbox 14:9 center",
270 "letterbox 14:9 top",
272 "letterbox 16:9 top",
275 "16:9 full format anamorphic",
279 "letterbox 16:9 center",
281 "letterbox >16:9 center",
282 "14:9 full format center",
286 /* ----------------------------------------------------------------------- */
288 static int saa7127_read(struct i2c_client
*client
, u8 reg
)
290 return i2c_smbus_read_byte_data(client
, reg
);
293 /* ----------------------------------------------------------------------- */
295 static int saa7127_write(struct i2c_client
*client
, u8 reg
, u8 val
)
299 for (i
= 0; i
< 3; i
++) {
300 if (i2c_smbus_write_byte_data(client
, reg
, val
) == 0)
303 v4l_err(client
, "I2C Write Problem\n");
307 /* ----------------------------------------------------------------------- */
309 static int saa7127_write_inittab(struct i2c_client
*client
,
310 const struct i2c_reg_value
*regs
)
312 while (regs
->reg
!= 0) {
313 saa7127_write(client
, regs
->reg
, regs
->value
);
319 /* ----------------------------------------------------------------------- */
321 static int saa7127_set_vps(struct i2c_client
*client
, struct v4l2_sliced_vbi_data
*data
)
323 struct saa7127_state
*state
= i2c_get_clientdata(client
);
324 int enable
= (data
->line
!= 0);
326 if (enable
&& (data
->field
!= 0 || data
->line
!= 16))
328 if (state
->vps_enable
!= enable
) {
329 v4l_dbg(1, debug
, client
, "Turn VPS Signal %s\n", enable
? "on" : "off");
330 saa7127_write(client
, 0x54, enable
<< 7);
331 state
->vps_enable
= enable
;
336 state
->vps_data
[0] = data
->data
[2];
337 state
->vps_data
[1] = data
->data
[8];
338 state
->vps_data
[2] = data
->data
[9];
339 state
->vps_data
[3] = data
->data
[10];
340 state
->vps_data
[4] = data
->data
[11];
341 v4l_dbg(1, debug
, client
, "Set VPS data %02x %02x %02x %02x %02x\n",
342 state
->vps_data
[0], state
->vps_data
[1],
343 state
->vps_data
[2], state
->vps_data
[3],
345 saa7127_write(client
, 0x55, state
->vps_data
[0]);
346 saa7127_write(client
, 0x56, state
->vps_data
[1]);
347 saa7127_write(client
, 0x57, state
->vps_data
[2]);
348 saa7127_write(client
, 0x58, state
->vps_data
[3]);
349 saa7127_write(client
, 0x59, state
->vps_data
[4]);
353 /* ----------------------------------------------------------------------- */
355 static int saa7127_set_cc(struct i2c_client
*client
, struct v4l2_sliced_vbi_data
*data
)
357 struct saa7127_state
*state
= i2c_get_clientdata(client
);
358 u16 cc
= data
->data
[1] << 8 | data
->data
[0];
359 int enable
= (data
->line
!= 0);
361 if (enable
&& (data
->field
!= 0 || data
->line
!= 21))
363 if (state
->cc_enable
!= enable
) {
364 v4l_dbg(1, debug
, client
, "Turn CC %s\n", enable
? "on" : "off");
365 saa7127_write(client
, SAA7127_REG_CLOSED_CAPTION
,
366 (state
->xds_enable
<< 7) | (enable
<< 6) | 0x11);
367 state
->cc_enable
= enable
;
372 v4l_dbg(2, debug
, client
, "CC data: %04x\n", cc
);
373 saa7127_write(client
, SAA7127_REG_LINE_21_ODD_0
, cc
& 0xff);
374 saa7127_write(client
, SAA7127_REG_LINE_21_ODD_1
, cc
>> 8);
379 /* ----------------------------------------------------------------------- */
381 static int saa7127_set_xds(struct i2c_client
*client
, struct v4l2_sliced_vbi_data
*data
)
383 struct saa7127_state
*state
= i2c_get_clientdata(client
);
384 u16 xds
= data
->data
[1] << 8 | data
->data
[0];
385 int enable
= (data
->line
!= 0);
387 if (enable
&& (data
->field
!= 1 || data
->line
!= 21))
389 if (state
->xds_enable
!= enable
) {
390 v4l_dbg(1, debug
, client
, "Turn XDS %s\n", enable
? "on" : "off");
391 saa7127_write(client
, SAA7127_REG_CLOSED_CAPTION
,
392 (enable
<< 7) | (state
->cc_enable
<< 6) | 0x11);
393 state
->xds_enable
= enable
;
398 v4l_dbg(2, debug
, client
, "XDS data: %04x\n", xds
);
399 saa7127_write(client
, SAA7127_REG_LINE_21_EVEN_0
, xds
& 0xff);
400 saa7127_write(client
, SAA7127_REG_LINE_21_EVEN_1
, xds
>> 8);
401 state
->xds_data
= xds
;
405 /* ----------------------------------------------------------------------- */
407 static int saa7127_set_wss(struct i2c_client
*client
, struct v4l2_sliced_vbi_data
*data
)
409 struct saa7127_state
*state
= i2c_get_clientdata(client
);
410 int enable
= (data
->line
!= 0);
412 if (enable
&& (data
->field
!= 0 || data
->line
!= 23))
414 if (state
->wss_enable
!= enable
) {
415 v4l_dbg(1, debug
, client
, "Turn WSS %s\n", enable
? "on" : "off");
416 saa7127_write(client
, 0x27, enable
<< 7);
417 state
->wss_enable
= enable
;
422 saa7127_write(client
, 0x26, data
->data
[0]);
423 saa7127_write(client
, 0x27, 0x80 | (data
->data
[1] & 0x3f));
424 v4l_dbg(1, debug
, client
, "WSS mode: %s\n", wss_strs
[data
->data
[0] & 0xf]);
425 state
->wss_mode
= (data
->data
[1] & 0x3f) << 8 | data
->data
[0];
429 /* ----------------------------------------------------------------------- */
431 static int saa7127_set_video_enable(struct i2c_client
*client
, int enable
)
433 struct saa7127_state
*state
= i2c_get_clientdata(client
);
436 v4l_dbg(1, debug
, client
, "Enable Video Output\n");
437 saa7127_write(client
, 0x2d, state
->reg_2d
);
438 saa7127_write(client
, 0x61, state
->reg_61
);
440 v4l_dbg(1, debug
, client
, "Disable Video Output\n");
441 saa7127_write(client
, 0x2d, (state
->reg_2d
& 0xf0));
442 saa7127_write(client
, 0x61, (state
->reg_61
| 0xc0));
444 state
->video_enable
= enable
;
448 /* ----------------------------------------------------------------------- */
450 static int saa7127_set_std(struct i2c_client
*client
, v4l2_std_id std
)
452 struct saa7127_state
*state
= i2c_get_clientdata(client
);
453 const struct i2c_reg_value
*inittab
;
455 if (std
& V4L2_STD_525_60
) {
456 v4l_dbg(1, debug
, client
, "Selecting 60 Hz video Standard\n");
457 inittab
= saa7127_init_config_60hz
;
458 state
->reg_61
= SAA7127_60HZ_DAC_CONTROL
;
460 v4l_dbg(1, debug
, client
, "Selecting 50 Hz video Standard\n");
461 inittab
= saa7127_init_config_50hz
;
462 state
->reg_61
= SAA7127_50HZ_DAC_CONTROL
;
466 saa7127_write_inittab(client
, inittab
);
471 /* ----------------------------------------------------------------------- */
473 static int saa7127_set_output_type(struct i2c_client
*client
, int output
)
475 struct saa7127_state
*state
= i2c_get_clientdata(client
);
478 case SAA7127_OUTPUT_TYPE_RGB
:
479 state
->reg_2d
= 0x0f; /* RGB + CVBS (for sync) */
480 state
->reg_3a
= 0x13; /* by default switch YUV to RGB-matrix on */
483 case SAA7127_OUTPUT_TYPE_COMPOSITE
:
484 state
->reg_2d
= 0x08; /* 00001000 CVBS only, RGB DAC's off (high impedance mode) */
485 state
->reg_3a
= 0x13; /* by default switch YUV to RGB-matrix on */
488 case SAA7127_OUTPUT_TYPE_SVIDEO
:
489 state
->reg_2d
= 0xff; /* 11111111 croma -> R, luma -> CVBS + G + B */
490 state
->reg_3a
= 0x13; /* by default switch YUV to RGB-matrix on */
493 case SAA7127_OUTPUT_TYPE_YUV_V
:
494 state
->reg_2d
= 0x4f; /* reg 2D = 01001111, all DAC's on, RGB + VBS */
495 state
->reg_3a
= 0x0b; /* reg 3A = 00001011, bypass RGB-matrix */
498 case SAA7127_OUTPUT_TYPE_YUV_C
:
499 state
->reg_2d
= 0x0f; /* reg 2D = 00001111, all DAC's on, RGB + CVBS */
500 state
->reg_3a
= 0x0b; /* reg 3A = 00001011, bypass RGB-matrix */
503 case SAA7127_OUTPUT_TYPE_BOTH
:
504 state
->reg_2d
= 0xbf;
505 state
->reg_3a
= 0x13; /* by default switch YUV to RGB-matrix on */
511 v4l_dbg(1, debug
, client
, "Selecting %s output type\n", output_strs
[output
]);
513 /* Configure Encoder */
514 saa7127_write(client
, 0x2d, state
->reg_2d
);
515 saa7127_write(client
, 0x3a, state
->reg_3a
| state
->reg_3a_cb
);
516 state
->output_type
= output
;
520 /* ----------------------------------------------------------------------- */
522 static int saa7127_set_input_type(struct i2c_client
*client
, int input
)
524 struct saa7127_state
*state
= i2c_get_clientdata(client
);
527 case SAA7127_INPUT_TYPE_NORMAL
: /* avia */
528 v4l_dbg(1, debug
, client
, "Selecting Normal Encoder Input\n");
529 state
->reg_3a_cb
= 0;
532 case SAA7127_INPUT_TYPE_TEST_IMAGE
: /* color bar */
533 v4l_dbg(1, debug
, client
, "Selecting Color Bar generator\n");
534 state
->reg_3a_cb
= 0x80;
540 saa7127_write(client
, 0x3a, state
->reg_3a
| state
->reg_3a_cb
);
541 state
->input_type
= input
;
545 /* ----------------------------------------------------------------------- */
547 static int saa7127_command(struct i2c_client
*client
,
548 unsigned int cmd
, void *arg
)
550 struct saa7127_state
*state
= i2c_get_clientdata(client
);
551 struct v4l2_format
*fmt
= arg
;
552 struct v4l2_routing
*route
= arg
;
555 case VIDIOC_INT_S_STD_OUTPUT
:
556 if (state
->std
== *(v4l2_std_id
*)arg
)
558 return saa7127_set_std(client
, *(v4l2_std_id
*)arg
);
560 case VIDIOC_INT_G_STD_OUTPUT
:
561 *(v4l2_std_id
*)arg
= state
->std
;
564 case VIDIOC_INT_G_VIDEO_ROUTING
:
565 route
->input
= state
->input_type
;
566 route
->output
= state
->output_type
;
569 case VIDIOC_INT_S_VIDEO_ROUTING
:
573 if (state
->input_type
!= route
->input
) {
574 rc
= saa7127_set_input_type(client
, route
->input
);
576 if (rc
== 0 && state
->output_type
!= route
->output
) {
577 rc
= saa7127_set_output_type(client
, route
->output
);
582 case VIDIOC_STREAMON
:
583 case VIDIOC_STREAMOFF
:
584 if (state
->video_enable
== (cmd
== VIDIOC_STREAMON
))
586 return saa7127_set_video_enable(client
, cmd
== VIDIOC_STREAMON
);
589 if (fmt
->type
!= V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
)
592 memset(&fmt
->fmt
.sliced
, 0, sizeof(fmt
->fmt
.sliced
));
593 if (state
->vps_enable
)
594 fmt
->fmt
.sliced
.service_lines
[0][16] = V4L2_SLICED_VPS
;
595 if (state
->wss_enable
)
596 fmt
->fmt
.sliced
.service_lines
[0][23] = V4L2_SLICED_WSS_625
;
597 if (state
->cc_enable
) {
598 fmt
->fmt
.sliced
.service_lines
[0][21] = V4L2_SLICED_CAPTION_525
;
599 fmt
->fmt
.sliced
.service_lines
[1][21] = V4L2_SLICED_CAPTION_525
;
601 fmt
->fmt
.sliced
.service_set
=
602 (state
->vps_enable
? V4L2_SLICED_VPS
: 0) |
603 (state
->wss_enable
? V4L2_SLICED_WSS_625
: 0) |
604 (state
->cc_enable
? V4L2_SLICED_CAPTION_525
: 0);
607 case VIDIOC_LOG_STATUS
:
608 v4l_info(client
, "Standard: %s\n", (state
->std
& V4L2_STD_525_60
) ? "60 Hz" : "50 Hz");
609 v4l_info(client
, "Input: %s\n", state
->input_type
? "color bars" : "normal");
610 v4l_info(client
, "Output: %s\n", state
->video_enable
?
611 output_strs
[state
->output_type
] : "disabled");
612 v4l_info(client
, "WSS: %s\n", state
->wss_enable
?
613 wss_strs
[state
->wss_mode
] : "disabled");
614 v4l_info(client
, "VPS: %s\n", state
->vps_enable
? "enabled" : "disabled");
615 v4l_info(client
, "CC: %s\n", state
->cc_enable
? "enabled" : "disabled");
618 #ifdef CONFIG_VIDEO_ADV_DEBUG
619 case VIDIOC_DBG_G_REGISTER
:
620 case VIDIOC_DBG_S_REGISTER
:
622 struct v4l2_register
*reg
= arg
;
624 if (!v4l2_chip_match_i2c_client(client
, reg
->match_type
, reg
->match_chip
))
626 if (!capable(CAP_SYS_ADMIN
))
628 if (cmd
== VIDIOC_DBG_G_REGISTER
)
629 reg
->val
= saa7127_read(client
, reg
->reg
& 0xff);
631 saa7127_write(client
, reg
->reg
& 0xff, reg
->val
& 0xff);
636 case VIDIOC_INT_S_VBI_DATA
:
638 struct v4l2_sliced_vbi_data
*data
= arg
;
641 case V4L2_SLICED_WSS_625
:
642 return saa7127_set_wss(client
, data
);
643 case V4L2_SLICED_VPS
:
644 return saa7127_set_vps(client
, data
);
645 case V4L2_SLICED_CAPTION_525
:
646 if (data
->field
== 0)
647 return saa7127_set_cc(client
, data
);
648 return saa7127_set_xds(client
, data
);
655 case VIDIOC_G_CHIP_IDENT
:
656 return v4l2_chip_ident_i2c_client(client
, arg
, state
->ident
, 0);
664 /* ----------------------------------------------------------------------- */
666 static int saa7127_probe(struct i2c_client
*client
)
668 struct saa7127_state
*state
;
669 struct v4l2_sliced_vbi_data vbi
= { 0, 0, 0, 0 }; /* set to disabled */
672 /* Check if the adapter supports the needed features */
673 if (!i2c_check_functionality(client
->adapter
, I2C_FUNC_SMBUS_BYTE_DATA
))
676 snprintf(client
->name
, sizeof(client
->name
) - 1, "saa7127");
678 v4l_dbg(1, debug
, client
, "detecting saa7127 client on address 0x%x\n", client
->addr
<< 1);
680 /* First test register 0: Bits 5-7 are a version ID (should be 0),
681 and bit 2 should also be 0.
682 This is rather general, so the second test is more specific and
683 looks at the 'ending point of burst in clock cycles' which is
684 0x1d after a reset and not expected to ever change. */
685 if ((saa7127_read(client
, 0) & 0xe4) != 0 ||
686 (saa7127_read(client
, 0x29) & 0x3f) != 0x1d) {
687 v4l_dbg(1, debug
, client
, "saa7127 not found\n");
690 state
= kzalloc(sizeof(struct saa7127_state
), GFP_KERNEL
);
696 i2c_set_clientdata(client
, state
);
698 /* Configure Encoder */
700 v4l_dbg(1, debug
, client
, "Configuring encoder\n");
701 saa7127_write_inittab(client
, saa7127_init_config_common
);
702 saa7127_set_std(client
, V4L2_STD_NTSC
);
703 saa7127_set_output_type(client
, SAA7127_OUTPUT_TYPE_BOTH
);
704 saa7127_set_vps(client
, &vbi
);
705 saa7127_set_wss(client
, &vbi
);
706 saa7127_set_cc(client
, &vbi
);
707 saa7127_set_xds(client
, &vbi
);
708 if (test_image
== 1) {
709 /* The Encoder has an internal Colorbar generator */
710 /* This can be used for debugging */
711 saa7127_set_input_type(client
, SAA7127_INPUT_TYPE_TEST_IMAGE
);
713 saa7127_set_input_type(client
, SAA7127_INPUT_TYPE_NORMAL
);
715 saa7127_set_video_enable(client
, 1);
717 /* Detect if it's an saa7129 */
718 read_result
= saa7127_read(client
, SAA7129_REG_FADE_KEY_COL2
);
719 saa7127_write(client
, SAA7129_REG_FADE_KEY_COL2
, 0xaa);
720 if (saa7127_read(client
, SAA7129_REG_FADE_KEY_COL2
) == 0xaa) {
721 v4l_info(client
, "saa7129 found @ 0x%x (%s)\n", client
->addr
<< 1, client
->adapter
->name
);
722 saa7127_write(client
, SAA7129_REG_FADE_KEY_COL2
, read_result
);
723 saa7127_write_inittab(client
, saa7129_init_config_extra
);
724 state
->ident
= V4L2_IDENT_SAA7129
;
726 v4l_info(client
, "saa7127 found @ 0x%x (%s)\n", client
->addr
<< 1, client
->adapter
->name
);
727 state
->ident
= V4L2_IDENT_SAA7127
;
732 /* ----------------------------------------------------------------------- */
734 static int saa7127_remove(struct i2c_client
*client
)
736 /* Turn off TV output */
737 saa7127_set_video_enable(client
, 0);
738 kfree(i2c_get_clientdata(client
));
742 /* ----------------------------------------------------------------------- */
744 static struct v4l2_i2c_driver_data v4l2_i2c_data
= {
746 .driverid
= I2C_DRIVERID_SAA7127
,
747 .command
= saa7127_command
,
748 .probe
= saa7127_probe
,
749 .remove
= saa7127_remove
,