Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 1 | /* |
| 2 | gpio functions. |
| 3 | Merging GPIO support into driver: |
| 4 | Copyright (C) 2004 Chris Kennedy <c@groovy.org> |
| 5 | Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | #include "ivtv-driver.h" |
| 23 | #include "ivtv-cards.h" |
| 24 | #include "ivtv-gpio.h" |
Hans Verkuil | 0e614cd | 2007-12-21 21:33:36 -0300 | [diff] [blame] | 25 | #include "tuner-xc2028.h" |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 26 | #include <media/tuner.h> |
Hans Verkuil | 2fd7814 | 2010-04-23 09:09:41 -0300 | [diff] [blame] | 27 | #include <media/v4l2-ctrls.h> |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 28 | |
| 29 | /* |
| 30 | * GPIO assignment of Yuan MPG600/MPG160 |
| 31 | * |
| 32 | * bit 15 14 13 12 | 11 10 9 8 | 7 6 5 4 | 3 2 1 0 |
| 33 | * OUTPUT IN1 IN0 AM3 AM2 AM1 AM0 |
| 34 | * INPUT DM1 DM0 |
| 35 | * |
| 36 | * IN* : Input selection |
| 37 | * IN1 IN0 |
| 38 | * 1 1 N/A |
| 39 | * 1 0 Line |
| 40 | * 0 1 N/A |
| 41 | * 0 0 Tuner |
| 42 | * |
| 43 | * AM* : Audio Mode |
| 44 | * AM3 0: Normal 1: Mixed(Sub+Main channel) |
| 45 | * AM2 0: Subchannel 1: Main channel |
| 46 | * AM1 0: Stereo 1: Mono |
| 47 | * AM0 0: Normal 1: Mute |
| 48 | * |
| 49 | * DM* : Detected tuner audio Mode |
| 50 | * DM1 0: Stereo 1: Mono |
| 51 | * DM0 0: Multiplex 1: Normal |
| 52 | * |
| 53 | * GPIO Initial Settings |
| 54 | * MPG600 MPG160 |
| 55 | * DIR 0x3080 0x7080 |
| 56 | * OUTPUT 0x000C 0x400C |
| 57 | * |
| 58 | * Special thanks to Makoto Iguchi <iguchi@tahoo.org> and Mr. Anonymous |
| 59 | * for analyzing GPIO of MPG160. |
| 60 | * |
| 61 | ***************************************************************************** |
| 62 | * |
| 63 | * GPIO assignment of Avermedia M179 (per information direct from AVerMedia) |
| 64 | * |
| 65 | * bit 15 14 13 12 | 11 10 9 8 | 7 6 5 4 | 3 2 1 0 |
| 66 | * OUTPUT IN0 AM0 IN1 AM1 AM2 IN2 BR0 BR1 |
| 67 | * INPUT |
| 68 | * |
| 69 | * IN* : Input selection |
| 70 | * IN0 IN1 IN2 |
| 71 | * * 1 * Mute |
| 72 | * 0 0 0 Line-In |
| 73 | * 1 0 0 TV Tuner Audio |
| 74 | * 0 0 1 FM Audio |
| 75 | * 1 0 1 Mute |
| 76 | * |
| 77 | * AM* : Audio Mode |
| 78 | * AM0 AM1 AM2 |
| 79 | * 0 0 0 TV Tuner Audio: L_OUT=(L+R)/2, R_OUT=SAP |
| 80 | * 0 0 1 TV Tuner Audio: L_OUT=R_OUT=SAP (SAP) |
| 81 | * 0 1 0 TV Tuner Audio: L_OUT=L, R_OUT=R (stereo) |
| 82 | * 0 1 1 TV Tuner Audio: mute |
| 83 | * 1 * * TV Tuner Audio: L_OUT=R_OUT=(L+R)/2 (mono) |
| 84 | * |
| 85 | * BR* : Audio Sample Rate (BR stands for bitrate for some reason) |
| 86 | * BR0 BR1 |
| 87 | * 0 0 32 kHz |
| 88 | * 0 1 44.1 kHz |
| 89 | * 1 0 48 kHz |
| 90 | * |
| 91 | * DM* : Detected tuner audio Mode |
| 92 | * Unknown currently |
| 93 | * |
| 94 | * Special thanks to AVerMedia Technologies, Inc. and Jiun-Kuei Jung at |
| 95 | * AVerMedia for providing the GPIO information used to add support |
| 96 | * for the M179 cards. |
| 97 | */ |
| 98 | |
| 99 | /********************* GPIO stuffs *********************/ |
| 100 | |
| 101 | /* GPIO registers */ |
| 102 | #define IVTV_REG_GPIO_IN 0x9008 |
| 103 | #define IVTV_REG_GPIO_OUT 0x900c |
| 104 | #define IVTV_REG_GPIO_DIR 0x9020 |
| 105 | |
| 106 | void ivtv_reset_ir_gpio(struct ivtv *itv) |
| 107 | { |
| 108 | int curdir, curout; |
| 109 | |
| 110 | if (itv->card->type != IVTV_CARD_PVR_150) |
| 111 | return; |
| 112 | IVTV_DEBUG_INFO("Resetting PVR150 IR\n"); |
| 113 | curout = read_reg(IVTV_REG_GPIO_OUT); |
| 114 | curdir = read_reg(IVTV_REG_GPIO_DIR); |
| 115 | curdir |= 0x80; |
| 116 | write_reg(curdir, IVTV_REG_GPIO_DIR); |
| 117 | curout = (curout & ~0xF) | 1; |
| 118 | write_reg(curout, IVTV_REG_GPIO_OUT); |
| 119 | /* We could use something else for smaller time */ |
Robert P. J. Day | 97989ad | 2007-07-16 10:47:51 -0300 | [diff] [blame] | 120 | schedule_timeout_interruptible(msecs_to_jiffies(1)); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 121 | curout |= 2; |
| 122 | write_reg(curout, IVTV_REG_GPIO_OUT); |
| 123 | curdir &= ~0x80; |
| 124 | write_reg(curdir, IVTV_REG_GPIO_DIR); |
| 125 | } |
| 126 | |
Hans Verkuil | 0e614cd | 2007-12-21 21:33:36 -0300 | [diff] [blame] | 127 | /* Xceive tuner reset function */ |
Michael Krufky | d7cba04 | 2008-09-12 13:31:45 -0300 | [diff] [blame] | 128 | int ivtv_reset_tuner_gpio(void *dev, int component, int cmd, int value) |
Hans Verkuil | 0e614cd | 2007-12-21 21:33:36 -0300 | [diff] [blame] | 129 | { |
| 130 | struct i2c_algo_bit_data *algo = dev; |
| 131 | struct ivtv *itv = algo->data; |
Hans Verkuil | 136531d | 2008-04-26 14:16:18 -0300 | [diff] [blame] | 132 | u32 curout; |
Hans Verkuil | 0e614cd | 2007-12-21 21:33:36 -0300 | [diff] [blame] | 133 | |
| 134 | if (cmd != XC2028_TUNER_RESET) |
| 135 | return 0; |
| 136 | IVTV_DEBUG_INFO("Resetting tuner\n"); |
| 137 | curout = read_reg(IVTV_REG_GPIO_OUT); |
Hans Verkuil | 136531d | 2008-04-26 14:16:18 -0300 | [diff] [blame] | 138 | curout &= ~(1 << itv->card->xceive_pin); |
Hans Verkuil | 0e614cd | 2007-12-21 21:33:36 -0300 | [diff] [blame] | 139 | write_reg(curout, IVTV_REG_GPIO_OUT); |
| 140 | schedule_timeout_interruptible(msecs_to_jiffies(1)); |
| 141 | |
Hans Verkuil | 136531d | 2008-04-26 14:16:18 -0300 | [diff] [blame] | 142 | curout |= 1 << itv->card->xceive_pin; |
Hans Verkuil | 0e614cd | 2007-12-21 21:33:36 -0300 | [diff] [blame] | 143 | write_reg(curout, IVTV_REG_GPIO_OUT); |
| 144 | schedule_timeout_interruptible(msecs_to_jiffies(1)); |
| 145 | return 0; |
| 146 | } |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 147 | |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 148 | static inline struct ivtv *sd_to_ivtv(struct v4l2_subdev *sd) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 149 | { |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 150 | return container_of(sd, struct ivtv, sd_gpio); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 151 | } |
| 152 | |
Hans Verkuil | 2fd7814 | 2010-04-23 09:09:41 -0300 | [diff] [blame] | 153 | static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) |
| 154 | { |
| 155 | return &container_of(ctrl->handler, struct ivtv, hdl_gpio)->sd_gpio; |
| 156 | } |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 157 | |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 158 | static int subdev_s_clock_freq(struct v4l2_subdev *sd, u32 freq) |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 159 | { |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 160 | struct ivtv *itv = sd_to_ivtv(sd); |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 161 | u16 mask, data; |
| 162 | |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 163 | mask = itv->card->gpio_audio_freq.mask; |
| 164 | switch (freq) { |
| 165 | case 32000: |
| 166 | data = itv->card->gpio_audio_freq.f32000; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 167 | break; |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 168 | case 44100: |
| 169 | data = itv->card->gpio_audio_freq.f44100; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 170 | break; |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 171 | case 48000: |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 172 | default: |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 173 | data = itv->card->gpio_audio_freq.f48000; |
| 174 | break; |
Hans Verkuil | 1a0adaf | 2007-04-27 12:31:25 -0300 | [diff] [blame] | 175 | } |
| 176 | if (mask) |
| 177 | write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); |
| 178 | return 0; |
| 179 | } |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 180 | |
| 181 | static int subdev_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
| 182 | { |
| 183 | struct ivtv *itv = sd_to_ivtv(sd); |
| 184 | u16 mask; |
| 185 | |
| 186 | mask = itv->card->gpio_audio_detect.mask; |
| 187 | if (mask == 0 || (read_reg(IVTV_REG_GPIO_IN) & mask)) |
Hans Verkuil | dc47b77 | 2009-05-02 11:52:35 -0300 | [diff] [blame] | 188 | vt->rxsubchans = V4L2_TUNER_SUB_STEREO | |
| 189 | V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 190 | else |
| 191 | vt->rxsubchans = V4L2_TUNER_SUB_MONO; |
| 192 | return 0; |
| 193 | } |
| 194 | |
| 195 | static int subdev_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
| 196 | { |
| 197 | struct ivtv *itv = sd_to_ivtv(sd); |
| 198 | u16 mask, data; |
| 199 | |
| 200 | mask = itv->card->gpio_audio_mode.mask; |
| 201 | switch (vt->audmode) { |
| 202 | case V4L2_TUNER_MODE_LANG1: |
| 203 | data = itv->card->gpio_audio_mode.lang1; |
| 204 | break; |
| 205 | case V4L2_TUNER_MODE_LANG2: |
| 206 | data = itv->card->gpio_audio_mode.lang2; |
| 207 | break; |
| 208 | case V4L2_TUNER_MODE_MONO: |
| 209 | data = itv->card->gpio_audio_mode.mono; |
| 210 | break; |
| 211 | case V4L2_TUNER_MODE_STEREO: |
| 212 | case V4L2_TUNER_MODE_LANG1_LANG2: |
| 213 | default: |
| 214 | data = itv->card->gpio_audio_mode.stereo; |
| 215 | break; |
| 216 | } |
| 217 | if (mask) |
| 218 | write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); |
| 219 | return 0; |
| 220 | } |
| 221 | |
| 222 | static int subdev_s_radio(struct v4l2_subdev *sd) |
| 223 | { |
| 224 | struct ivtv *itv = sd_to_ivtv(sd); |
| 225 | u16 mask, data; |
| 226 | |
| 227 | mask = itv->card->gpio_audio_input.mask; |
| 228 | data = itv->card->gpio_audio_input.radio; |
| 229 | if (mask) |
| 230 | write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); |
| 231 | return 0; |
| 232 | } |
| 233 | |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 234 | static int subdev_s_audio_routing(struct v4l2_subdev *sd, |
| 235 | u32 input, u32 output, u32 config) |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 236 | { |
| 237 | struct ivtv *itv = sd_to_ivtv(sd); |
| 238 | u16 mask, data; |
| 239 | |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 240 | if (input > 2) |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 241 | return -EINVAL; |
| 242 | mask = itv->card->gpio_audio_input.mask; |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 243 | switch (input) { |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 244 | case 0: |
| 245 | data = itv->card->gpio_audio_input.tuner; |
| 246 | break; |
| 247 | case 1: |
| 248 | data = itv->card->gpio_audio_input.linein; |
| 249 | break; |
| 250 | case 2: |
| 251 | default: |
| 252 | data = itv->card->gpio_audio_input.radio; |
| 253 | break; |
| 254 | } |
| 255 | if (mask) |
| 256 | write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); |
| 257 | return 0; |
| 258 | } |
| 259 | |
Hans Verkuil | 2fd7814 | 2010-04-23 09:09:41 -0300 | [diff] [blame] | 260 | static int subdev_s_ctrl(struct v4l2_ctrl *ctrl) |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 261 | { |
Hans Verkuil | 2fd7814 | 2010-04-23 09:09:41 -0300 | [diff] [blame] | 262 | struct v4l2_subdev *sd = to_sd(ctrl); |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 263 | struct ivtv *itv = sd_to_ivtv(sd); |
| 264 | u16 mask, data; |
| 265 | |
Hans Verkuil | 2fd7814 | 2010-04-23 09:09:41 -0300 | [diff] [blame] | 266 | switch (ctrl->id) { |
| 267 | case V4L2_CID_AUDIO_MUTE: |
| 268 | mask = itv->card->gpio_audio_mute.mask; |
| 269 | data = ctrl->val ? itv->card->gpio_audio_mute.mute : 0; |
| 270 | if (mask) |
| 271 | write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | |
| 272 | (data & mask), IVTV_REG_GPIO_OUT); |
| 273 | return 0; |
| 274 | } |
| 275 | return -EINVAL; |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 276 | } |
| 277 | |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 278 | |
| 279 | static int subdev_log_status(struct v4l2_subdev *sd) |
| 280 | { |
| 281 | struct ivtv *itv = sd_to_ivtv(sd); |
| 282 | |
| 283 | IVTV_INFO("GPIO status: DIR=0x%04x OUT=0x%04x IN=0x%04x\n", |
| 284 | read_reg(IVTV_REG_GPIO_DIR), read_reg(IVTV_REG_GPIO_OUT), |
| 285 | read_reg(IVTV_REG_GPIO_IN)); |
Hans Verkuil | 2fd7814 | 2010-04-23 09:09:41 -0300 | [diff] [blame] | 286 | v4l2_ctrl_handler_log_status(&itv->hdl_gpio, sd->name); |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 287 | return 0; |
| 288 | } |
| 289 | |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 290 | static int subdev_s_video_routing(struct v4l2_subdev *sd, |
| 291 | u32 input, u32 output, u32 config) |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 292 | { |
| 293 | struct ivtv *itv = sd_to_ivtv(sd); |
| 294 | u16 mask, data; |
| 295 | |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 296 | if (input > 2) /* 0:Tuner 1:Composite 2:S-Video */ |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 297 | return -EINVAL; |
| 298 | mask = itv->card->gpio_video_input.mask; |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 299 | if (input == 0) |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 300 | data = itv->card->gpio_video_input.tuner; |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 301 | else if (input == 1) |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 302 | data = itv->card->gpio_video_input.composite; |
| 303 | else |
| 304 | data = itv->card->gpio_video_input.svideo; |
| 305 | if (mask) |
| 306 | write_reg((read_reg(IVTV_REG_GPIO_OUT) & ~mask) | (data & mask), IVTV_REG_GPIO_OUT); |
| 307 | return 0; |
| 308 | } |
| 309 | |
Hans Verkuil | 2fd7814 | 2010-04-23 09:09:41 -0300 | [diff] [blame] | 310 | static const struct v4l2_ctrl_ops gpio_ctrl_ops = { |
| 311 | .s_ctrl = subdev_s_ctrl, |
| 312 | }; |
| 313 | |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 314 | static const struct v4l2_subdev_core_ops subdev_core_ops = { |
| 315 | .log_status = subdev_log_status, |
Hans Verkuil | 2fd7814 | 2010-04-23 09:09:41 -0300 | [diff] [blame] | 316 | .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, |
| 317 | .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, |
| 318 | .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, |
| 319 | .g_ctrl = v4l2_subdev_g_ctrl, |
| 320 | .s_ctrl = v4l2_subdev_s_ctrl, |
| 321 | .queryctrl = v4l2_subdev_queryctrl, |
| 322 | .querymenu = v4l2_subdev_querymenu, |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 323 | }; |
| 324 | |
| 325 | static const struct v4l2_subdev_tuner_ops subdev_tuner_ops = { |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 326 | .s_radio = subdev_s_radio, |
| 327 | .g_tuner = subdev_g_tuner, |
| 328 | .s_tuner = subdev_s_tuner, |
| 329 | }; |
| 330 | |
| 331 | static const struct v4l2_subdev_audio_ops subdev_audio_ops = { |
| 332 | .s_clock_freq = subdev_s_clock_freq, |
| 333 | .s_routing = subdev_s_audio_routing, |
| 334 | }; |
| 335 | |
| 336 | static const struct v4l2_subdev_video_ops subdev_video_ops = { |
| 337 | .s_routing = subdev_s_video_routing, |
| 338 | }; |
| 339 | |
| 340 | static const struct v4l2_subdev_ops subdev_ops = { |
| 341 | .core = &subdev_core_ops, |
| 342 | .tuner = &subdev_tuner_ops, |
| 343 | .audio = &subdev_audio_ops, |
| 344 | .video = &subdev_video_ops, |
| 345 | }; |
| 346 | |
| 347 | int ivtv_gpio_init(struct ivtv *itv) |
| 348 | { |
| 349 | u16 pin = 0; |
| 350 | |
| 351 | if (itv->card->xceive_pin) |
| 352 | pin = 1 << itv->card->xceive_pin; |
| 353 | |
| 354 | if ((itv->card->gpio_init.direction | pin) == 0) |
| 355 | return 0; |
| 356 | |
| 357 | IVTV_DEBUG_INFO("GPIO initial dir: %08x out: %08x\n", |
| 358 | read_reg(IVTV_REG_GPIO_DIR), read_reg(IVTV_REG_GPIO_OUT)); |
| 359 | |
| 360 | /* init output data then direction */ |
| 361 | write_reg(itv->card->gpio_init.initial_value | pin, IVTV_REG_GPIO_OUT); |
| 362 | write_reg(itv->card->gpio_init.direction | pin, IVTV_REG_GPIO_DIR); |
| 363 | v4l2_subdev_init(&itv->sd_gpio, &subdev_ops); |
Hans Verkuil | 8ac05ae | 2009-02-07 07:02:27 -0300 | [diff] [blame] | 364 | snprintf(itv->sd_gpio.name, sizeof(itv->sd_gpio.name), "%s-gpio", itv->v4l2_dev.name); |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 365 | itv->sd_gpio.grp_id = IVTV_HW_GPIO; |
Hans Verkuil | 2fd7814 | 2010-04-23 09:09:41 -0300 | [diff] [blame] | 366 | v4l2_ctrl_handler_init(&itv->hdl_gpio, 1); |
| 367 | v4l2_ctrl_new_std(&itv->hdl_gpio, &gpio_ctrl_ops, |
| 368 | V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); |
| 369 | if (itv->hdl_gpio.error) |
| 370 | return itv->hdl_gpio.error; |
| 371 | itv->sd_gpio.ctrl_handler = &itv->hdl_gpio; |
| 372 | v4l2_ctrl_handler_setup(&itv->hdl_gpio); |
Hans Verkuil | 8ac05ae | 2009-02-07 07:02:27 -0300 | [diff] [blame] | 373 | return v4l2_device_register_subdev(&itv->v4l2_dev, &itv->sd_gpio); |
Hans Verkuil | 67ec09f | 2008-11-29 19:38:23 -0300 | [diff] [blame] | 374 | } |