Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 1 | /* |
| 2 | * saa7127 - Philips SAA7127/SAA7129 video encoder driver |
| 3 | * |
| 4 | * Copyright (C) 2003 Roy Bulter <rbulter@hetnet.nl> |
| 5 | * |
| 6 | * Based on SAA7126 video encoder driver by Gillem & Andreas Oberritter |
| 7 | * |
| 8 | * Copyright (C) 2000-2001 Gillem <htoa@gmx.net> |
| 9 | * Copyright (C) 2002 Andreas Oberritter <obi@saftware.de> |
| 10 | * |
| 11 | * Based on Stadis 4:2:2 MPEG-2 Decoder Driver by Nathan Laredo |
| 12 | * |
| 13 | * Copyright (C) 1999 Nathan Laredo <laredo@gnu.org> |
| 14 | * |
| 15 | * This driver is designed for the Hauppauge 250/350 Linux driver |
| 16 | * from the ivtv Project |
| 17 | * |
| 18 | * Copyright (C) 2003 Kevin Thayer <nufan_wfk@yahoo.com> |
| 19 | * |
| 20 | * Dual output support: |
| 21 | * Copyright (C) 2004 Eric Varsanyi |
| 22 | * |
| 23 | * NTSC Tuning and 7.5 IRE Setup |
| 24 | * Copyright (C) 2004 Chris Kennedy <c@groovy.org> |
| 25 | * |
| 26 | * VBI additions & cleanup: |
| 27 | * Copyright (C) 2004, 2005 Hans Verkuil <hverkuil@xs4all.nl> |
| 28 | * |
| 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 |
| 33 | * support. |
| 34 | * |
| 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. |
| 39 | * |
| 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. |
| 44 | * |
| 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. |
| 48 | */ |
| 49 | |
| 50 | |
| 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> |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 56 | #include <media/v4l2-common.h> |
Hans Verkuil | 3434eb7 | 2007-04-27 12:31:08 -0300 | [diff] [blame] | 57 | #include <media/v4l2-chip-ident.h> |
Hans Verkuil | 77566dd | 2007-09-13 11:21:51 -0300 | [diff] [blame] | 58 | #include <media/v4l2-i2c-drv-legacy.h> |
Hans Verkuil | 39b6f68 | 2006-03-25 09:50:20 -0300 | [diff] [blame] | 59 | #include <media/saa7127.h> |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 60 | |
| 61 | static int debug = 0; |
| 62 | static int test_image = 0; |
| 63 | |
| 64 | MODULE_DESCRIPTION("Philips SAA7127/9 video encoder driver"); |
Hans Verkuil | 1f4b336 | 2005-11-13 16:08:05 -0800 | [diff] [blame] | 65 | MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 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)"); |
| 71 | |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 72 | static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END }; |
| 73 | |
| 74 | |
| 75 | I2C_CLIENT_INSMOD; |
| 76 | |
| 77 | /* |
| 78 | * SAA7127 registers |
| 79 | */ |
| 80 | |
| 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 |
| 130 | |
| 131 | /* |
| 132 | ********************************************************************** |
| 133 | * |
| 134 | * Arrays with configuration parameters for the SAA7127 |
| 135 | * |
| 136 | ********************************************************************** |
| 137 | */ |
| 138 | |
| 139 | struct i2c_reg_value { |
| 140 | unsigned char reg; |
| 141 | unsigned char value; |
| 142 | }; |
| 143 | |
| 144 | static const struct i2c_reg_value saa7129_init_config_extra[] = { |
| 145 | { SAA7127_REG_OUTPUT_PORT_CONTROL, 0x38 }, |
| 146 | { SAA7127_REG_VTRIG, 0xfa }, |
Jose Alberto Reguero | ea76ce5 | 2006-04-11 10:19:25 -0300 | [diff] [blame] | 147 | { 0, 0 } |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 148 | }; |
| 149 | |
| 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 }, |
| 182 | { 0, 0 } |
| 183 | }; |
| 184 | |
| 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 }, |
| 204 | { 0, 0 } |
| 205 | }; |
| 206 | |
| 207 | #define SAA7127_50HZ_DAC_CONTROL 0x02 |
Mauro Carvalho Chehab | 769e243 | 2005-12-01 00:51:35 -0800 | [diff] [blame] | 208 | static struct i2c_reg_value saa7127_init_config_50hz[] = { |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 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 }, |
| 226 | { 0, 0 } |
| 227 | }; |
| 228 | |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 229 | /* |
| 230 | ********************************************************************** |
| 231 | * |
| 232 | * Encoder Struct, holds the configuration state of the encoder |
| 233 | * |
| 234 | ********************************************************************** |
| 235 | */ |
| 236 | |
| 237 | struct saa7127_state { |
| 238 | v4l2_std_id std; |
Hans Verkuil | 3434eb7 | 2007-04-27 12:31:08 -0300 | [diff] [blame] | 239 | u32 ident; |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 240 | enum saa7127_input_type input_type; |
| 241 | enum saa7127_output_type output_type; |
| 242 | int video_enable; |
| 243 | int wss_enable; |
| 244 | u16 wss_mode; |
| 245 | int cc_enable; |
| 246 | u16 cc_data; |
| 247 | int xds_enable; |
| 248 | u16 xds_data; |
| 249 | int vps_enable; |
| 250 | u8 vps_data[5]; |
| 251 | u8 reg_2d; |
| 252 | u8 reg_3a; |
| 253 | u8 reg_3a_cb; /* colorbar bit */ |
| 254 | u8 reg_61; |
| 255 | }; |
| 256 | |
| 257 | static const char * const output_strs[] = |
| 258 | { |
| 259 | "S-Video + Composite", |
| 260 | "Composite", |
| 261 | "S-Video", |
| 262 | "RGB", |
| 263 | "YUV C", |
| 264 | "YUV V" |
| 265 | }; |
| 266 | |
| 267 | static const char * const wss_strs[] = { |
| 268 | "invalid", |
| 269 | "letterbox 14:9 center", |
| 270 | "letterbox 14:9 top", |
| 271 | "invalid", |
| 272 | "letterbox 16:9 top", |
| 273 | "invalid", |
| 274 | "invalid", |
Jose Alberto Reguero | 35a303b | 2006-06-17 08:05:41 -0300 | [diff] [blame] | 275 | "16:9 full format anamorphic", |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 276 | "4:3 full format", |
| 277 | "invalid", |
| 278 | "invalid", |
| 279 | "letterbox 16:9 center", |
| 280 | "invalid", |
| 281 | "letterbox >16:9 center", |
| 282 | "14:9 full format center", |
| 283 | "invalid", |
| 284 | }; |
| 285 | |
| 286 | /* ----------------------------------------------------------------------- */ |
| 287 | |
| 288 | static int saa7127_read(struct i2c_client *client, u8 reg) |
| 289 | { |
| 290 | return i2c_smbus_read_byte_data(client, reg); |
| 291 | } |
| 292 | |
| 293 | /* ----------------------------------------------------------------------- */ |
| 294 | |
| 295 | static int saa7127_write(struct i2c_client *client, u8 reg, u8 val) |
| 296 | { |
| 297 | int i; |
| 298 | |
| 299 | for (i = 0; i < 3; i++) { |
| 300 | if (i2c_smbus_write_byte_data(client, reg, val) == 0) |
| 301 | return 0; |
| 302 | } |
Hans Verkuil | fac9e89 | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 303 | v4l_err(client, "I2C Write Problem\n"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 304 | return -1; |
| 305 | } |
| 306 | |
| 307 | /* ----------------------------------------------------------------------- */ |
| 308 | |
| 309 | static int saa7127_write_inittab(struct i2c_client *client, |
| 310 | const struct i2c_reg_value *regs) |
| 311 | { |
| 312 | while (regs->reg != 0) { |
| 313 | saa7127_write(client, regs->reg, regs->value); |
| 314 | regs++; |
| 315 | } |
| 316 | return 0; |
| 317 | } |
| 318 | |
| 319 | /* ----------------------------------------------------------------------- */ |
| 320 | |
| 321 | static int saa7127_set_vps(struct i2c_client *client, struct v4l2_sliced_vbi_data *data) |
| 322 | { |
Andrew Morton | 419d4e7 | 2005-11-13 16:07:55 -0800 | [diff] [blame] | 323 | struct saa7127_state *state = i2c_get_clientdata(client); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 324 | int enable = (data->line != 0); |
| 325 | |
| 326 | if (enable && (data->field != 0 || data->line != 16)) |
| 327 | return -EINVAL; |
| 328 | if (state->vps_enable != enable) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 329 | v4l_dbg(1, debug, client, "Turn VPS Signal %s\n", enable ? "on" : "off"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 330 | saa7127_write(client, 0x54, enable << 7); |
| 331 | state->vps_enable = enable; |
| 332 | } |
| 333 | if (!enable) |
| 334 | return 0; |
| 335 | |
Hans Verkuil | 2f3a989 | 2007-08-25 14:11:23 -0300 | [diff] [blame] | 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]; |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 341 | v4l_dbg(1, debug, client, "Set VPS data %02x %02x %02x %02x %02x\n", |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 342 | state->vps_data[0], state->vps_data[1], |
| 343 | state->vps_data[2], state->vps_data[3], |
| 344 | state->vps_data[4]); |
| 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]); |
| 350 | return 0; |
| 351 | } |
| 352 | |
| 353 | /* ----------------------------------------------------------------------- */ |
| 354 | |
| 355 | static int saa7127_set_cc(struct i2c_client *client, struct v4l2_sliced_vbi_data *data) |
| 356 | { |
Andrew Morton | 419d4e7 | 2005-11-13 16:07:55 -0800 | [diff] [blame] | 357 | struct saa7127_state *state = i2c_get_clientdata(client); |
Hans Verkuil | 515432a | 2005-12-20 09:48:29 -0200 | [diff] [blame] | 358 | u16 cc = data->data[1] << 8 | data->data[0]; |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 359 | int enable = (data->line != 0); |
| 360 | |
| 361 | if (enable && (data->field != 0 || data->line != 21)) |
| 362 | return -EINVAL; |
| 363 | if (state->cc_enable != enable) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 364 | v4l_dbg(1, debug, client, "Turn CC %s\n", enable ? "on" : "off"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 365 | saa7127_write(client, SAA7127_REG_CLOSED_CAPTION, |
Hans Verkuil | 515432a | 2005-12-20 09:48:29 -0200 | [diff] [blame] | 366 | (state->xds_enable << 7) | (enable << 6) | 0x11); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 367 | state->cc_enable = enable; |
| 368 | } |
| 369 | if (!enable) |
| 370 | return 0; |
| 371 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 372 | v4l_dbg(2, debug, client, "CC data: %04x\n", cc); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 373 | saa7127_write(client, SAA7127_REG_LINE_21_ODD_0, cc & 0xff); |
| 374 | saa7127_write(client, SAA7127_REG_LINE_21_ODD_1, cc >> 8); |
| 375 | state->cc_data = cc; |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | /* ----------------------------------------------------------------------- */ |
| 380 | |
| 381 | static int saa7127_set_xds(struct i2c_client *client, struct v4l2_sliced_vbi_data *data) |
| 382 | { |
Andrew Morton | 419d4e7 | 2005-11-13 16:07:55 -0800 | [diff] [blame] | 383 | struct saa7127_state *state = i2c_get_clientdata(client); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 384 | u16 xds = data->data[1] << 8 | data->data[0]; |
| 385 | int enable = (data->line != 0); |
| 386 | |
| 387 | if (enable && (data->field != 1 || data->line != 21)) |
| 388 | return -EINVAL; |
| 389 | if (state->xds_enable != enable) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 390 | v4l_dbg(1, debug, client, "Turn XDS %s\n", enable ? "on" : "off"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 391 | saa7127_write(client, SAA7127_REG_CLOSED_CAPTION, |
Hans Verkuil | 515432a | 2005-12-20 09:48:29 -0200 | [diff] [blame] | 392 | (enable << 7) | (state->cc_enable << 6) | 0x11); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 393 | state->xds_enable = enable; |
| 394 | } |
| 395 | if (!enable) |
| 396 | return 0; |
| 397 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 398 | v4l_dbg(2, debug, client, "XDS data: %04x\n", xds); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 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; |
| 402 | return 0; |
| 403 | } |
| 404 | |
| 405 | /* ----------------------------------------------------------------------- */ |
| 406 | |
| 407 | static int saa7127_set_wss(struct i2c_client *client, struct v4l2_sliced_vbi_data *data) |
| 408 | { |
Andrew Morton | 419d4e7 | 2005-11-13 16:07:55 -0800 | [diff] [blame] | 409 | struct saa7127_state *state = i2c_get_clientdata(client); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 410 | int enable = (data->line != 0); |
| 411 | |
| 412 | if (enable && (data->field != 0 || data->line != 23)) |
| 413 | return -EINVAL; |
| 414 | if (state->wss_enable != enable) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 415 | v4l_dbg(1, debug, client, "Turn WSS %s\n", enable ? "on" : "off"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 416 | saa7127_write(client, 0x27, enable << 7); |
| 417 | state->wss_enable = enable; |
| 418 | } |
| 419 | if (!enable) |
| 420 | return 0; |
| 421 | |
| 422 | saa7127_write(client, 0x26, data->data[0]); |
| 423 | saa7127_write(client, 0x27, 0x80 | (data->data[1] & 0x3f)); |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 424 | v4l_dbg(1, debug, client, "WSS mode: %s\n", wss_strs[data->data[0] & 0xf]); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 425 | state->wss_mode = (data->data[1] & 0x3f) << 8 | data->data[0]; |
| 426 | return 0; |
| 427 | } |
| 428 | |
| 429 | /* ----------------------------------------------------------------------- */ |
| 430 | |
| 431 | static int saa7127_set_video_enable(struct i2c_client *client, int enable) |
| 432 | { |
Andrew Morton | 419d4e7 | 2005-11-13 16:07:55 -0800 | [diff] [blame] | 433 | struct saa7127_state *state = i2c_get_clientdata(client); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 434 | |
| 435 | if (enable) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 436 | v4l_dbg(1, debug, client, "Enable Video Output\n"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 437 | saa7127_write(client, 0x2d, state->reg_2d); |
| 438 | saa7127_write(client, 0x61, state->reg_61); |
| 439 | } else { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 440 | v4l_dbg(1, debug, client, "Disable Video Output\n"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 441 | saa7127_write(client, 0x2d, (state->reg_2d & 0xf0)); |
| 442 | saa7127_write(client, 0x61, (state->reg_61 | 0xc0)); |
| 443 | } |
| 444 | state->video_enable = enable; |
| 445 | return 0; |
| 446 | } |
| 447 | |
| 448 | /* ----------------------------------------------------------------------- */ |
| 449 | |
| 450 | static int saa7127_set_std(struct i2c_client *client, v4l2_std_id std) |
| 451 | { |
Andrew Morton | 419d4e7 | 2005-11-13 16:07:55 -0800 | [diff] [blame] | 452 | struct saa7127_state *state = i2c_get_clientdata(client); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 453 | const struct i2c_reg_value *inittab; |
| 454 | |
| 455 | if (std & V4L2_STD_525_60) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 456 | v4l_dbg(1, debug, client, "Selecting 60 Hz video Standard\n"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 457 | inittab = saa7127_init_config_60hz; |
| 458 | state->reg_61 = SAA7127_60HZ_DAC_CONTROL; |
| 459 | } else { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 460 | v4l_dbg(1, debug, client, "Selecting 50 Hz video Standard\n"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 461 | inittab = saa7127_init_config_50hz; |
| 462 | state->reg_61 = SAA7127_50HZ_DAC_CONTROL; |
| 463 | } |
| 464 | |
| 465 | /* Write Table */ |
| 466 | saa7127_write_inittab(client, inittab); |
| 467 | state->std = std; |
| 468 | return 0; |
| 469 | } |
| 470 | |
| 471 | /* ----------------------------------------------------------------------- */ |
| 472 | |
| 473 | static int saa7127_set_output_type(struct i2c_client *client, int output) |
| 474 | { |
Andrew Morton | 419d4e7 | 2005-11-13 16:07:55 -0800 | [diff] [blame] | 475 | struct saa7127_state *state = i2c_get_clientdata(client); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 476 | |
| 477 | switch (output) { |
| 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 */ |
| 481 | break; |
| 482 | |
| 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 */ |
| 486 | break; |
| 487 | |
| 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 */ |
| 491 | break; |
| 492 | |
| 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 */ |
| 496 | break; |
| 497 | |
| 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 */ |
| 501 | break; |
| 502 | |
| 503 | case SAA7127_OUTPUT_TYPE_BOTH: |
| 504 | state->reg_2d = 0xbf; |
| 505 | state->reg_3a = 0x13; /* by default switch YUV to RGB-matrix on */ |
| 506 | break; |
| 507 | |
| 508 | default: |
| 509 | return -EINVAL; |
| 510 | } |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 511 | v4l_dbg(1, debug, client, "Selecting %s output type\n", output_strs[output]); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 512 | |
| 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; |
| 517 | return 0; |
| 518 | } |
| 519 | |
| 520 | /* ----------------------------------------------------------------------- */ |
| 521 | |
| 522 | static int saa7127_set_input_type(struct i2c_client *client, int input) |
| 523 | { |
Andrew Morton | 419d4e7 | 2005-11-13 16:07:55 -0800 | [diff] [blame] | 524 | struct saa7127_state *state = i2c_get_clientdata(client); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 525 | |
| 526 | switch (input) { |
| 527 | case SAA7127_INPUT_TYPE_NORMAL: /* avia */ |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 528 | v4l_dbg(1, debug, client, "Selecting Normal Encoder Input\n"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 529 | state->reg_3a_cb = 0; |
| 530 | break; |
| 531 | |
| 532 | case SAA7127_INPUT_TYPE_TEST_IMAGE: /* color bar */ |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 533 | v4l_dbg(1, debug, client, "Selecting Color Bar generator\n"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 534 | state->reg_3a_cb = 0x80; |
| 535 | break; |
| 536 | |
| 537 | default: |
| 538 | return -EINVAL; |
| 539 | } |
| 540 | saa7127_write(client, 0x3a, state->reg_3a | state->reg_3a_cb); |
| 541 | state->input_type = input; |
| 542 | return 0; |
| 543 | } |
| 544 | |
| 545 | /* ----------------------------------------------------------------------- */ |
| 546 | |
| 547 | static int saa7127_command(struct i2c_client *client, |
| 548 | unsigned int cmd, void *arg) |
| 549 | { |
| 550 | struct saa7127_state *state = i2c_get_clientdata(client); |
| 551 | struct v4l2_format *fmt = arg; |
Hans Verkuil | 39b6f68 | 2006-03-25 09:50:20 -0300 | [diff] [blame] | 552 | struct v4l2_routing *route = arg; |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 553 | |
| 554 | switch (cmd) { |
Hans Verkuil | 045290b | 2007-04-27 12:31:04 -0300 | [diff] [blame] | 555 | case VIDIOC_INT_S_STD_OUTPUT: |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 556 | if (state->std == *(v4l2_std_id *)arg) |
| 557 | break; |
| 558 | return saa7127_set_std(client, *(v4l2_std_id *)arg); |
| 559 | |
Hans Verkuil | 045290b | 2007-04-27 12:31:04 -0300 | [diff] [blame] | 560 | case VIDIOC_INT_G_STD_OUTPUT: |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 561 | *(v4l2_std_id *)arg = state->std; |
| 562 | break; |
| 563 | |
Hans Verkuil | 39b6f68 | 2006-03-25 09:50:20 -0300 | [diff] [blame] | 564 | case VIDIOC_INT_G_VIDEO_ROUTING: |
| 565 | route->input = state->input_type; |
| 566 | route->output = state->output_type; |
| 567 | break; |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 568 | |
Hans Verkuil | 39b6f68 | 2006-03-25 09:50:20 -0300 | [diff] [blame] | 569 | case VIDIOC_INT_S_VIDEO_ROUTING: |
| 570 | { |
| 571 | int rc = 0; |
| 572 | |
| 573 | if (state->input_type != route->input) { |
| 574 | rc = saa7127_set_input_type(client, route->input); |
| 575 | } |
| 576 | if (rc == 0 && state->output_type != route->output) { |
| 577 | rc = saa7127_set_output_type(client, route->output); |
| 578 | } |
| 579 | return rc; |
| 580 | } |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 581 | |
| 582 | case VIDIOC_STREAMON: |
| 583 | case VIDIOC_STREAMOFF: |
| 584 | if (state->video_enable == (cmd == VIDIOC_STREAMON)) |
| 585 | break; |
| 586 | return saa7127_set_video_enable(client, cmd == VIDIOC_STREAMON); |
| 587 | |
| 588 | case VIDIOC_G_FMT: |
| 589 | if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) |
| 590 | return -EINVAL; |
| 591 | |
| 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; |
| 600 | } |
| 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); |
| 605 | break; |
| 606 | |
| 607 | case VIDIOC_LOG_STATUS: |
Hans Verkuil | fac9e89 | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 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 ? |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 611 | output_strs[state->output_type] : "disabled"); |
Hans Verkuil | fac9e89 | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 612 | v4l_info(client, "WSS: %s\n", state->wss_enable ? |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 613 | wss_strs[state->wss_mode] : "disabled"); |
Hans Verkuil | fac9e89 | 2006-01-09 15:32:40 -0200 | [diff] [blame] | 614 | v4l_info(client, "VPS: %s\n", state->vps_enable ? "enabled" : "disabled"); |
| 615 | v4l_info(client, "CC: %s\n", state->cc_enable ? "enabled" : "disabled"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 616 | break; |
| 617 | |
| 618 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Trent Piepho | 52ebc76 | 2007-01-23 22:38:13 -0300 | [diff] [blame] | 619 | case VIDIOC_DBG_G_REGISTER: |
Trent Piepho | 52ebc76 | 2007-01-23 22:38:13 -0300 | [diff] [blame] | 620 | case VIDIOC_DBG_S_REGISTER: |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 621 | { |
| 622 | struct v4l2_register *reg = arg; |
| 623 | |
Hans Verkuil | f3d092b | 2007-02-23 20:55:14 -0300 | [diff] [blame] | 624 | if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip)) |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 625 | return -EINVAL; |
| 626 | if (!capable(CAP_SYS_ADMIN)) |
| 627 | return -EPERM; |
Trent Piepho | 62d50ad | 2007-01-30 23:25:41 -0300 | [diff] [blame] | 628 | if (cmd == VIDIOC_DBG_G_REGISTER) |
| 629 | reg->val = saa7127_read(client, reg->reg & 0xff); |
| 630 | else |
| 631 | saa7127_write(client, reg->reg & 0xff, reg->val & 0xff); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 632 | break; |
| 633 | } |
| 634 | #endif |
| 635 | |
| 636 | case VIDIOC_INT_S_VBI_DATA: |
| 637 | { |
| 638 | struct v4l2_sliced_vbi_data *data = arg; |
| 639 | |
| 640 | switch (data->id) { |
| 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); |
| 649 | default: |
| 650 | return -EINVAL; |
| 651 | } |
| 652 | break; |
| 653 | } |
| 654 | |
Hans Verkuil | 3434eb7 | 2007-04-27 12:31:08 -0300 | [diff] [blame] | 655 | case VIDIOC_G_CHIP_IDENT: |
| 656 | return v4l2_chip_ident_i2c_client(client, arg, state->ident, 0); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 657 | |
| 658 | default: |
| 659 | return -EINVAL; |
| 660 | } |
| 661 | return 0; |
| 662 | } |
| 663 | |
| 664 | /* ----------------------------------------------------------------------- */ |
| 665 | |
Hans Verkuil | 77566dd | 2007-09-13 11:21:51 -0300 | [diff] [blame] | 666 | static int saa7127_probe(struct i2c_client *client) |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 667 | { |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 668 | struct saa7127_state *state; |
| 669 | struct v4l2_sliced_vbi_data vbi = { 0, 0, 0, 0 }; /* set to disabled */ |
| 670 | int read_result = 0; |
| 671 | |
| 672 | /* Check if the adapter supports the needed features */ |
Hans Verkuil | 77566dd | 2007-09-13 11:21:51 -0300 | [diff] [blame] | 673 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
Hans Verkuil | 188f345 | 2007-09-16 10:47:15 -0300 | [diff] [blame] | 674 | return -EIO; |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 675 | |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 676 | snprintf(client->name, sizeof(client->name) - 1, "saa7127"); |
| 677 | |
Hans Verkuil | 77566dd | 2007-09-13 11:21:51 -0300 | [diff] [blame] | 678 | v4l_dbg(1, debug, client, "detecting saa7127 client on address 0x%x\n", client->addr << 1); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 679 | |
| 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) { |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 687 | v4l_dbg(1, debug, client, "saa7127 not found\n"); |
Hans Verkuil | 188f345 | 2007-09-16 10:47:15 -0300 | [diff] [blame] | 688 | return -ENODEV; |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 689 | } |
Panagiotis Issaris | 7408187 | 2006-01-11 19:40:56 -0200 | [diff] [blame] | 690 | state = kzalloc(sizeof(struct saa7127_state), GFP_KERNEL); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 691 | |
| 692 | if (state == NULL) { |
Hans Verkuil | 188f345 | 2007-09-16 10:47:15 -0300 | [diff] [blame] | 693 | return -ENOMEM; |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 694 | } |
| 695 | |
| 696 | i2c_set_clientdata(client, state); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 697 | |
| 698 | /* Configure Encoder */ |
| 699 | |
Mauro Carvalho Chehab | f167cb4e | 2006-01-11 19:41:49 -0200 | [diff] [blame] | 700 | v4l_dbg(1, debug, client, "Configuring encoder\n"); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 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); |
| 712 | } else { |
| 713 | saa7127_set_input_type(client, SAA7127_INPUT_TYPE_NORMAL); |
| 714 | } |
| 715 | saa7127_set_video_enable(client, 1); |
| 716 | |
| 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) { |
Hans Verkuil | 77566dd | 2007-09-13 11:21:51 -0300 | [diff] [blame] | 721 | v4l_info(client, "saa7129 found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 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; |
| 725 | } else { |
Hans Verkuil | 77566dd | 2007-09-13 11:21:51 -0300 | [diff] [blame] | 726 | v4l_info(client, "saa7127 found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 727 | state->ident = V4L2_IDENT_SAA7127; |
| 728 | } |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 729 | return 0; |
| 730 | } |
| 731 | |
| 732 | /* ----------------------------------------------------------------------- */ |
| 733 | |
Hans Verkuil | 77566dd | 2007-09-13 11:21:51 -0300 | [diff] [blame] | 734 | static int saa7127_remove(struct i2c_client *client) |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 735 | { |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 736 | /* Turn off TV output */ |
| 737 | saa7127_set_video_enable(client, 0); |
Hans Verkuil | 77566dd | 2007-09-13 11:21:51 -0300 | [diff] [blame] | 738 | kfree(i2c_get_clientdata(client)); |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 739 | return 0; |
| 740 | } |
| 741 | |
| 742 | /* ----------------------------------------------------------------------- */ |
| 743 | |
Hans Verkuil | 77566dd | 2007-09-13 11:21:51 -0300 | [diff] [blame] | 744 | static struct v4l2_i2c_driver_data v4l2_i2c_data = { |
| 745 | .name = "saa7127", |
| 746 | .driverid = I2C_DRIVERID_SAA7127, |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 747 | .command = saa7127_command, |
Hans Verkuil | 77566dd | 2007-09-13 11:21:51 -0300 | [diff] [blame] | 748 | .probe = saa7127_probe, |
| 749 | .remove = saa7127_remove, |
Hans Verkuil | cfbb5b8 | 2005-11-13 16:07:53 -0800 | [diff] [blame] | 750 | }; |
| 751 | |