Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1 | /* |
| 2 | * adv7842 - Analog Devices ADV7842 video decoder driver |
| 3 | * |
| 4 | * Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved. |
| 5 | * |
| 6 | * This program is free software; you may redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 11 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 12 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 13 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 14 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 15 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 16 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 17 | * SOFTWARE. |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | /* |
| 22 | * References (c = chapter, p = page): |
Mats Randgaard | 5b64b20 | 2013-12-05 12:08:45 -0300 | [diff] [blame] | 23 | * REF_01 - Analog devices, ADV7842, |
| 24 | * Register Settings Recommendations, Rev. 1.9, April 2011 |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 25 | * REF_02 - Analog devices, Software User Guide, UG-206, |
| 26 | * ADV7842 I2C Register Maps, Rev. 0, November 2010 |
Mats Randgaard | 5b64b20 | 2013-12-05 12:08:45 -0300 | [diff] [blame] | 27 | * REF_03 - Analog devices, Hardware User Guide, UG-214, |
| 28 | * ADV7842 Fast Switching 2:1 HDMI 1.4 Receiver with 3D-Comb |
| 29 | * Decoder and Digitizer , Rev. 0, January 2011 |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 30 | */ |
| 31 | |
| 32 | |
| 33 | #include <linux/kernel.h> |
| 34 | #include <linux/module.h> |
| 35 | #include <linux/slab.h> |
| 36 | #include <linux/i2c.h> |
| 37 | #include <linux/delay.h> |
| 38 | #include <linux/videodev2.h> |
| 39 | #include <linux/workqueue.h> |
| 40 | #include <linux/v4l2-dv-timings.h> |
Martin Bugge | 09f90c5 | 2014-12-19 09:14:23 -0300 | [diff] [blame] | 41 | #include <linux/hdmi.h> |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 42 | #include <media/cec.h> |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 43 | #include <media/v4l2-device.h> |
Lars-Peter Clausen | aef5159 | 2015-06-24 13:50:28 -0300 | [diff] [blame] | 44 | #include <media/v4l2-event.h> |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 45 | #include <media/v4l2-ctrls.h> |
| 46 | #include <media/v4l2-dv-timings.h> |
Mauro Carvalho Chehab | b5dcee2 | 2015-11-10 12:01:44 -0200 | [diff] [blame] | 47 | #include <media/i2c/adv7842.h> |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 48 | |
| 49 | static int debug; |
| 50 | module_param(debug, int, 0644); |
| 51 | MODULE_PARM_DESC(debug, "debug level (0-2)"); |
| 52 | |
| 53 | MODULE_DESCRIPTION("Analog Devices ADV7842 video decoder driver"); |
| 54 | MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com>"); |
| 55 | MODULE_AUTHOR("Martin Bugge <marbugge@cisco.com>"); |
| 56 | MODULE_LICENSE("GPL"); |
| 57 | |
| 58 | /* ADV7842 system clock frequency */ |
| 59 | #define ADV7842_fsc (28636360) |
| 60 | |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 61 | #define ADV7842_RGB_OUT (1 << 1) |
| 62 | |
| 63 | #define ADV7842_OP_FORMAT_SEL_8BIT (0 << 0) |
| 64 | #define ADV7842_OP_FORMAT_SEL_10BIT (1 << 0) |
| 65 | #define ADV7842_OP_FORMAT_SEL_12BIT (2 << 0) |
| 66 | |
| 67 | #define ADV7842_OP_MODE_SEL_SDR_422 (0 << 5) |
| 68 | #define ADV7842_OP_MODE_SEL_DDR_422 (1 << 5) |
| 69 | #define ADV7842_OP_MODE_SEL_SDR_444 (2 << 5) |
| 70 | #define ADV7842_OP_MODE_SEL_DDR_444 (3 << 5) |
| 71 | #define ADV7842_OP_MODE_SEL_SDR_422_2X (4 << 5) |
| 72 | #define ADV7842_OP_MODE_SEL_ADI_CM (5 << 5) |
| 73 | |
| 74 | #define ADV7842_OP_CH_SEL_GBR (0 << 5) |
| 75 | #define ADV7842_OP_CH_SEL_GRB (1 << 5) |
| 76 | #define ADV7842_OP_CH_SEL_BGR (2 << 5) |
| 77 | #define ADV7842_OP_CH_SEL_RGB (3 << 5) |
| 78 | #define ADV7842_OP_CH_SEL_BRG (4 << 5) |
| 79 | #define ADV7842_OP_CH_SEL_RBG (5 << 5) |
| 80 | |
| 81 | #define ADV7842_OP_SWAP_CB_CR (1 << 0) |
| 82 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 83 | #define ADV7842_MAX_ADDRS (3) |
| 84 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 85 | /* |
| 86 | ********************************************************************** |
| 87 | * |
| 88 | * Arrays with configuration parameters for the ADV7842 |
| 89 | * |
| 90 | ********************************************************************** |
| 91 | */ |
| 92 | |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 93 | struct adv7842_format_info { |
| 94 | u32 code; |
| 95 | u8 op_ch_sel; |
| 96 | bool rgb_out; |
| 97 | bool swap_cb_cr; |
| 98 | u8 op_format_sel; |
| 99 | }; |
| 100 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 101 | struct adv7842_state { |
Martin Bugge | 7de5be4 | 2013-12-05 11:39:37 -0300 | [diff] [blame] | 102 | struct adv7842_platform_data pdata; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 103 | struct v4l2_subdev sd; |
| 104 | struct media_pad pad; |
| 105 | struct v4l2_ctrl_handler hdl; |
| 106 | enum adv7842_mode mode; |
| 107 | struct v4l2_dv_timings timings; |
| 108 | enum adv7842_vid_std_select vid_std_select; |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 109 | |
| 110 | const struct adv7842_format_info *format; |
| 111 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 112 | v4l2_std_id norm; |
| 113 | struct { |
| 114 | u8 edid[256]; |
| 115 | u32 present; |
| 116 | } hdmi_edid; |
| 117 | struct { |
| 118 | u8 edid[256]; |
| 119 | u32 present; |
| 120 | } vga_edid; |
| 121 | struct v4l2_fract aspect_ratio; |
| 122 | u32 rgb_quantization_range; |
| 123 | bool is_cea_format; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 124 | struct delayed_work delayed_work_enable_hotplug; |
Martin Bugge | 6e9071f | 2013-12-10 12:00:06 -0300 | [diff] [blame] | 125 | bool restart_stdi_once; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 126 | bool hdmi_port_a; |
| 127 | |
| 128 | /* i2c clients */ |
| 129 | struct i2c_client *i2c_sdp_io; |
| 130 | struct i2c_client *i2c_sdp; |
| 131 | struct i2c_client *i2c_cp; |
| 132 | struct i2c_client *i2c_vdp; |
| 133 | struct i2c_client *i2c_afe; |
| 134 | struct i2c_client *i2c_hdmi; |
| 135 | struct i2c_client *i2c_repeater; |
| 136 | struct i2c_client *i2c_edid; |
| 137 | struct i2c_client *i2c_infoframe; |
| 138 | struct i2c_client *i2c_cec; |
| 139 | struct i2c_client *i2c_avlink; |
| 140 | |
| 141 | /* controls */ |
| 142 | struct v4l2_ctrl *detect_tx_5v_ctrl; |
| 143 | struct v4l2_ctrl *analog_sampling_phase_ctrl; |
| 144 | struct v4l2_ctrl *free_run_color_ctrl_manual; |
| 145 | struct v4l2_ctrl *free_run_color_ctrl; |
| 146 | struct v4l2_ctrl *rgb_quantization_range_ctrl; |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 147 | |
| 148 | struct cec_adapter *cec_adap; |
| 149 | u8 cec_addr[ADV7842_MAX_ADDRS]; |
| 150 | u8 cec_valid_addrs; |
| 151 | bool cec_enabled_adap; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 152 | }; |
| 153 | |
| 154 | /* Unsupported timings. This device cannot support 720p30. */ |
| 155 | static const struct v4l2_dv_timings adv7842_timings_exceptions[] = { |
| 156 | V4L2_DV_BT_CEA_1280X720P30, |
| 157 | { } |
| 158 | }; |
| 159 | |
| 160 | static bool adv7842_check_dv_timings(const struct v4l2_dv_timings *t, void *hdl) |
| 161 | { |
| 162 | int i; |
| 163 | |
| 164 | for (i = 0; adv7842_timings_exceptions[i].bt.width; i++) |
Hans Verkuil | 85f9e06 | 2015-11-13 09:46:26 -0200 | [diff] [blame] | 165 | if (v4l2_match_dv_timings(t, adv7842_timings_exceptions + i, 0, false)) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 166 | return false; |
| 167 | return true; |
| 168 | } |
| 169 | |
| 170 | struct adv7842_video_standards { |
| 171 | struct v4l2_dv_timings timings; |
| 172 | u8 vid_std; |
| 173 | u8 v_freq; |
| 174 | }; |
| 175 | |
| 176 | /* sorted by number of lines */ |
| 177 | static const struct adv7842_video_standards adv7842_prim_mode_comp[] = { |
| 178 | /* { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, TODO flickering */ |
| 179 | { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 }, |
| 180 | { V4L2_DV_BT_CEA_1280X720P50, 0x19, 0x01 }, |
| 181 | { V4L2_DV_BT_CEA_1280X720P60, 0x19, 0x00 }, |
| 182 | { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 }, |
| 183 | { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 }, |
| 184 | { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 }, |
| 185 | { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 }, |
| 186 | { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 }, |
| 187 | /* TODO add 1920x1080P60_RB (CVT timing) */ |
| 188 | { }, |
| 189 | }; |
| 190 | |
| 191 | /* sorted by number of lines */ |
| 192 | static const struct adv7842_video_standards adv7842_prim_mode_gr[] = { |
| 193 | { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 }, |
| 194 | { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 }, |
| 195 | { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 }, |
| 196 | { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 }, |
| 197 | { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 }, |
| 198 | { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 }, |
| 199 | { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 }, |
| 200 | { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 }, |
| 201 | { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 }, |
| 202 | { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 }, |
| 203 | { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 }, |
| 204 | { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 }, |
| 205 | { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 }, |
| 206 | { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 }, |
| 207 | { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 }, |
| 208 | { V4L2_DV_BT_DMT_1360X768P60, 0x12, 0x00 }, |
| 209 | { V4L2_DV_BT_DMT_1366X768P60, 0x13, 0x00 }, |
| 210 | { V4L2_DV_BT_DMT_1400X1050P60, 0x14, 0x00 }, |
| 211 | { V4L2_DV_BT_DMT_1400X1050P75, 0x15, 0x00 }, |
| 212 | { V4L2_DV_BT_DMT_1600X1200P60, 0x16, 0x00 }, /* TODO not tested */ |
| 213 | /* TODO add 1600X1200P60_RB (not a DMT timing) */ |
| 214 | { V4L2_DV_BT_DMT_1680X1050P60, 0x18, 0x00 }, |
| 215 | { V4L2_DV_BT_DMT_1920X1200P60_RB, 0x19, 0x00 }, /* TODO not tested */ |
| 216 | { }, |
| 217 | }; |
| 218 | |
| 219 | /* sorted by number of lines */ |
| 220 | static const struct adv7842_video_standards adv7842_prim_mode_hdmi_comp[] = { |
| 221 | { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, |
| 222 | { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 }, |
| 223 | { V4L2_DV_BT_CEA_1280X720P50, 0x13, 0x01 }, |
| 224 | { V4L2_DV_BT_CEA_1280X720P60, 0x13, 0x00 }, |
| 225 | { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 }, |
| 226 | { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 }, |
| 227 | { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 }, |
| 228 | { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 }, |
| 229 | { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 }, |
| 230 | { }, |
| 231 | }; |
| 232 | |
| 233 | /* sorted by number of lines */ |
| 234 | static const struct adv7842_video_standards adv7842_prim_mode_hdmi_gr[] = { |
| 235 | { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 }, |
| 236 | { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 }, |
| 237 | { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 }, |
| 238 | { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 }, |
| 239 | { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 }, |
| 240 | { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 }, |
| 241 | { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 }, |
| 242 | { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 }, |
| 243 | { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 }, |
| 244 | { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 }, |
| 245 | { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 }, |
| 246 | { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 }, |
| 247 | { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 }, |
| 248 | { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 }, |
| 249 | { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 }, |
| 250 | { }, |
| 251 | }; |
| 252 | |
Hans Verkuil | 4851983 | 2015-05-07 10:37:57 -0300 | [diff] [blame] | 253 | static const struct v4l2_event adv7842_ev_fmt = { |
| 254 | .type = V4L2_EVENT_SOURCE_CHANGE, |
| 255 | .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, |
| 256 | }; |
| 257 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 258 | /* ----------------------------------------------------------------------- */ |
| 259 | |
| 260 | static inline struct adv7842_state *to_state(struct v4l2_subdev *sd) |
| 261 | { |
| 262 | return container_of(sd, struct adv7842_state, sd); |
| 263 | } |
| 264 | |
| 265 | static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) |
| 266 | { |
| 267 | return &container_of(ctrl->handler, struct adv7842_state, hdl)->sd; |
| 268 | } |
| 269 | |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 270 | static inline unsigned hblanking(const struct v4l2_bt_timings *t) |
| 271 | { |
| 272 | return V4L2_DV_BT_BLANKING_WIDTH(t); |
| 273 | } |
| 274 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 275 | static inline unsigned htotal(const struct v4l2_bt_timings *t) |
| 276 | { |
| 277 | return V4L2_DV_BT_FRAME_WIDTH(t); |
| 278 | } |
| 279 | |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 280 | static inline unsigned vblanking(const struct v4l2_bt_timings *t) |
| 281 | { |
| 282 | return V4L2_DV_BT_BLANKING_HEIGHT(t); |
| 283 | } |
| 284 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 285 | static inline unsigned vtotal(const struct v4l2_bt_timings *t) |
| 286 | { |
| 287 | return V4L2_DV_BT_FRAME_HEIGHT(t); |
| 288 | } |
| 289 | |
| 290 | |
| 291 | /* ----------------------------------------------------------------------- */ |
| 292 | |
| 293 | static s32 adv_smbus_read_byte_data_check(struct i2c_client *client, |
| 294 | u8 command, bool check) |
| 295 | { |
| 296 | union i2c_smbus_data data; |
| 297 | |
| 298 | if (!i2c_smbus_xfer(client->adapter, client->addr, client->flags, |
| 299 | I2C_SMBUS_READ, command, |
| 300 | I2C_SMBUS_BYTE_DATA, &data)) |
| 301 | return data.byte; |
| 302 | if (check) |
| 303 | v4l_err(client, "error reading %02x, %02x\n", |
| 304 | client->addr, command); |
| 305 | return -EIO; |
| 306 | } |
| 307 | |
| 308 | static s32 adv_smbus_read_byte_data(struct i2c_client *client, u8 command) |
| 309 | { |
| 310 | int i; |
| 311 | |
| 312 | for (i = 0; i < 3; i++) { |
| 313 | int ret = adv_smbus_read_byte_data_check(client, command, true); |
| 314 | |
| 315 | if (ret >= 0) { |
| 316 | if (i) |
| 317 | v4l_err(client, "read ok after %d retries\n", i); |
| 318 | return ret; |
| 319 | } |
| 320 | } |
| 321 | v4l_err(client, "read failed\n"); |
| 322 | return -EIO; |
| 323 | } |
| 324 | |
| 325 | static s32 adv_smbus_write_byte_data(struct i2c_client *client, |
| 326 | u8 command, u8 value) |
| 327 | { |
| 328 | union i2c_smbus_data data; |
| 329 | int err; |
| 330 | int i; |
| 331 | |
| 332 | data.byte = value; |
| 333 | for (i = 0; i < 3; i++) { |
| 334 | err = i2c_smbus_xfer(client->adapter, client->addr, |
| 335 | client->flags, |
| 336 | I2C_SMBUS_WRITE, command, |
| 337 | I2C_SMBUS_BYTE_DATA, &data); |
| 338 | if (!err) |
| 339 | break; |
| 340 | } |
| 341 | if (err < 0) |
| 342 | v4l_err(client, "error writing %02x, %02x, %02x\n", |
| 343 | client->addr, command, value); |
| 344 | return err; |
| 345 | } |
| 346 | |
| 347 | static void adv_smbus_write_byte_no_check(struct i2c_client *client, |
| 348 | u8 command, u8 value) |
| 349 | { |
| 350 | union i2c_smbus_data data; |
| 351 | data.byte = value; |
| 352 | |
| 353 | i2c_smbus_xfer(client->adapter, client->addr, |
| 354 | client->flags, |
| 355 | I2C_SMBUS_WRITE, command, |
| 356 | I2C_SMBUS_BYTE_DATA, &data); |
| 357 | } |
| 358 | |
| 359 | static s32 adv_smbus_write_i2c_block_data(struct i2c_client *client, |
| 360 | u8 command, unsigned length, const u8 *values) |
| 361 | { |
| 362 | union i2c_smbus_data data; |
| 363 | |
| 364 | if (length > I2C_SMBUS_BLOCK_MAX) |
| 365 | length = I2C_SMBUS_BLOCK_MAX; |
| 366 | data.block[0] = length; |
| 367 | memcpy(data.block + 1, values, length); |
| 368 | return i2c_smbus_xfer(client->adapter, client->addr, client->flags, |
| 369 | I2C_SMBUS_WRITE, command, |
| 370 | I2C_SMBUS_I2C_BLOCK_DATA, &data); |
| 371 | } |
| 372 | |
| 373 | /* ----------------------------------------------------------------------- */ |
| 374 | |
| 375 | static inline int io_read(struct v4l2_subdev *sd, u8 reg) |
| 376 | { |
| 377 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 378 | |
| 379 | return adv_smbus_read_byte_data(client, reg); |
| 380 | } |
| 381 | |
| 382 | static inline int io_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 383 | { |
| 384 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 385 | |
| 386 | return adv_smbus_write_byte_data(client, reg, val); |
| 387 | } |
| 388 | |
| 389 | static inline int io_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
| 390 | { |
| 391 | return io_write(sd, reg, (io_read(sd, reg) & mask) | val); |
| 392 | } |
| 393 | |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 394 | static inline int io_write_clr_set(struct v4l2_subdev *sd, |
| 395 | u8 reg, u8 mask, u8 val) |
| 396 | { |
| 397 | return io_write(sd, reg, (io_read(sd, reg) & ~mask) | val); |
| 398 | } |
| 399 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 400 | static inline int avlink_read(struct v4l2_subdev *sd, u8 reg) |
| 401 | { |
| 402 | struct adv7842_state *state = to_state(sd); |
| 403 | |
| 404 | return adv_smbus_read_byte_data(state->i2c_avlink, reg); |
| 405 | } |
| 406 | |
| 407 | static inline int avlink_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 408 | { |
| 409 | struct adv7842_state *state = to_state(sd); |
| 410 | |
| 411 | return adv_smbus_write_byte_data(state->i2c_avlink, reg, val); |
| 412 | } |
| 413 | |
| 414 | static inline int cec_read(struct v4l2_subdev *sd, u8 reg) |
| 415 | { |
| 416 | struct adv7842_state *state = to_state(sd); |
| 417 | |
| 418 | return adv_smbus_read_byte_data(state->i2c_cec, reg); |
| 419 | } |
| 420 | |
| 421 | static inline int cec_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 422 | { |
| 423 | struct adv7842_state *state = to_state(sd); |
| 424 | |
| 425 | return adv_smbus_write_byte_data(state->i2c_cec, reg, val); |
| 426 | } |
| 427 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 428 | static inline int cec_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 429 | { |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 430 | return cec_write(sd, reg, (cec_read(sd, reg) & ~mask) | val); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | static inline int infoframe_read(struct v4l2_subdev *sd, u8 reg) |
| 434 | { |
| 435 | struct adv7842_state *state = to_state(sd); |
| 436 | |
| 437 | return adv_smbus_read_byte_data(state->i2c_infoframe, reg); |
| 438 | } |
| 439 | |
| 440 | static inline int infoframe_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 441 | { |
| 442 | struct adv7842_state *state = to_state(sd); |
| 443 | |
| 444 | return adv_smbus_write_byte_data(state->i2c_infoframe, reg, val); |
| 445 | } |
| 446 | |
| 447 | static inline int sdp_io_read(struct v4l2_subdev *sd, u8 reg) |
| 448 | { |
| 449 | struct adv7842_state *state = to_state(sd); |
| 450 | |
| 451 | return adv_smbus_read_byte_data(state->i2c_sdp_io, reg); |
| 452 | } |
| 453 | |
| 454 | static inline int sdp_io_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 455 | { |
| 456 | struct adv7842_state *state = to_state(sd); |
| 457 | |
| 458 | return adv_smbus_write_byte_data(state->i2c_sdp_io, reg, val); |
| 459 | } |
| 460 | |
| 461 | static inline int sdp_io_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
| 462 | { |
| 463 | return sdp_io_write(sd, reg, (sdp_io_read(sd, reg) & mask) | val); |
| 464 | } |
| 465 | |
| 466 | static inline int sdp_read(struct v4l2_subdev *sd, u8 reg) |
| 467 | { |
| 468 | struct adv7842_state *state = to_state(sd); |
| 469 | |
| 470 | return adv_smbus_read_byte_data(state->i2c_sdp, reg); |
| 471 | } |
| 472 | |
| 473 | static inline int sdp_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 474 | { |
| 475 | struct adv7842_state *state = to_state(sd); |
| 476 | |
| 477 | return adv_smbus_write_byte_data(state->i2c_sdp, reg, val); |
| 478 | } |
| 479 | |
| 480 | static inline int sdp_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
| 481 | { |
| 482 | return sdp_write(sd, reg, (sdp_read(sd, reg) & mask) | val); |
| 483 | } |
| 484 | |
| 485 | static inline int afe_read(struct v4l2_subdev *sd, u8 reg) |
| 486 | { |
| 487 | struct adv7842_state *state = to_state(sd); |
| 488 | |
| 489 | return adv_smbus_read_byte_data(state->i2c_afe, reg); |
| 490 | } |
| 491 | |
| 492 | static inline int afe_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 493 | { |
| 494 | struct adv7842_state *state = to_state(sd); |
| 495 | |
| 496 | return adv_smbus_write_byte_data(state->i2c_afe, reg, val); |
| 497 | } |
| 498 | |
| 499 | static inline int afe_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
| 500 | { |
| 501 | return afe_write(sd, reg, (afe_read(sd, reg) & mask) | val); |
| 502 | } |
| 503 | |
| 504 | static inline int rep_read(struct v4l2_subdev *sd, u8 reg) |
| 505 | { |
| 506 | struct adv7842_state *state = to_state(sd); |
| 507 | |
| 508 | return adv_smbus_read_byte_data(state->i2c_repeater, reg); |
| 509 | } |
| 510 | |
| 511 | static inline int rep_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 512 | { |
| 513 | struct adv7842_state *state = to_state(sd); |
| 514 | |
| 515 | return adv_smbus_write_byte_data(state->i2c_repeater, reg, val); |
| 516 | } |
| 517 | |
| 518 | static inline int rep_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
| 519 | { |
| 520 | return rep_write(sd, reg, (rep_read(sd, reg) & mask) | val); |
| 521 | } |
| 522 | |
| 523 | static inline int edid_read(struct v4l2_subdev *sd, u8 reg) |
| 524 | { |
| 525 | struct adv7842_state *state = to_state(sd); |
| 526 | |
| 527 | return adv_smbus_read_byte_data(state->i2c_edid, reg); |
| 528 | } |
| 529 | |
| 530 | static inline int edid_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 531 | { |
| 532 | struct adv7842_state *state = to_state(sd); |
| 533 | |
| 534 | return adv_smbus_write_byte_data(state->i2c_edid, reg, val); |
| 535 | } |
| 536 | |
| 537 | static inline int hdmi_read(struct v4l2_subdev *sd, u8 reg) |
| 538 | { |
| 539 | struct adv7842_state *state = to_state(sd); |
| 540 | |
| 541 | return adv_smbus_read_byte_data(state->i2c_hdmi, reg); |
| 542 | } |
| 543 | |
| 544 | static inline int hdmi_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 545 | { |
| 546 | struct adv7842_state *state = to_state(sd); |
| 547 | |
| 548 | return adv_smbus_write_byte_data(state->i2c_hdmi, reg, val); |
| 549 | } |
| 550 | |
Mats Randgaard | 5b64b20 | 2013-12-05 12:08:45 -0300 | [diff] [blame] | 551 | static inline int hdmi_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
| 552 | { |
| 553 | return hdmi_write(sd, reg, (hdmi_read(sd, reg) & mask) | val); |
| 554 | } |
| 555 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 556 | static inline int cp_read(struct v4l2_subdev *sd, u8 reg) |
| 557 | { |
| 558 | struct adv7842_state *state = to_state(sd); |
| 559 | |
| 560 | return adv_smbus_read_byte_data(state->i2c_cp, reg); |
| 561 | } |
| 562 | |
| 563 | static inline int cp_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 564 | { |
| 565 | struct adv7842_state *state = to_state(sd); |
| 566 | |
| 567 | return adv_smbus_write_byte_data(state->i2c_cp, reg, val); |
| 568 | } |
| 569 | |
| 570 | static inline int cp_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
| 571 | { |
| 572 | return cp_write(sd, reg, (cp_read(sd, reg) & mask) | val); |
| 573 | } |
| 574 | |
| 575 | static inline int vdp_read(struct v4l2_subdev *sd, u8 reg) |
| 576 | { |
| 577 | struct adv7842_state *state = to_state(sd); |
| 578 | |
| 579 | return adv_smbus_read_byte_data(state->i2c_vdp, reg); |
| 580 | } |
| 581 | |
| 582 | static inline int vdp_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 583 | { |
| 584 | struct adv7842_state *state = to_state(sd); |
| 585 | |
| 586 | return adv_smbus_write_byte_data(state->i2c_vdp, reg, val); |
| 587 | } |
| 588 | |
| 589 | static void main_reset(struct v4l2_subdev *sd) |
| 590 | { |
| 591 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 592 | |
| 593 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
| 594 | |
| 595 | adv_smbus_write_byte_no_check(client, 0xff, 0x80); |
| 596 | |
Martin Bugge | 84aeed5 | 2013-12-05 11:56:32 -0300 | [diff] [blame] | 597 | mdelay(5); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 598 | } |
| 599 | |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 600 | /* ----------------------------------------------------------------------------- |
| 601 | * Format helpers |
| 602 | */ |
| 603 | |
| 604 | static const struct adv7842_format_info adv7842_formats[] = { |
| 605 | { MEDIA_BUS_FMT_RGB888_1X24, ADV7842_OP_CH_SEL_RGB, true, false, |
| 606 | ADV7842_OP_MODE_SEL_SDR_444 | ADV7842_OP_FORMAT_SEL_8BIT }, |
| 607 | { MEDIA_BUS_FMT_YUYV8_2X8, ADV7842_OP_CH_SEL_RGB, false, false, |
| 608 | ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_8BIT }, |
| 609 | { MEDIA_BUS_FMT_YVYU8_2X8, ADV7842_OP_CH_SEL_RGB, false, true, |
| 610 | ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_8BIT }, |
| 611 | { MEDIA_BUS_FMT_YUYV10_2X10, ADV7842_OP_CH_SEL_RGB, false, false, |
| 612 | ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_10BIT }, |
| 613 | { MEDIA_BUS_FMT_YVYU10_2X10, ADV7842_OP_CH_SEL_RGB, false, true, |
| 614 | ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_10BIT }, |
| 615 | { MEDIA_BUS_FMT_YUYV12_2X12, ADV7842_OP_CH_SEL_RGB, false, false, |
| 616 | ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_12BIT }, |
| 617 | { MEDIA_BUS_FMT_YVYU12_2X12, ADV7842_OP_CH_SEL_RGB, false, true, |
| 618 | ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_12BIT }, |
| 619 | { MEDIA_BUS_FMT_UYVY8_1X16, ADV7842_OP_CH_SEL_RBG, false, false, |
| 620 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT }, |
| 621 | { MEDIA_BUS_FMT_VYUY8_1X16, ADV7842_OP_CH_SEL_RBG, false, true, |
| 622 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT }, |
| 623 | { MEDIA_BUS_FMT_YUYV8_1X16, ADV7842_OP_CH_SEL_RGB, false, false, |
| 624 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT }, |
| 625 | { MEDIA_BUS_FMT_YVYU8_1X16, ADV7842_OP_CH_SEL_RGB, false, true, |
| 626 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT }, |
| 627 | { MEDIA_BUS_FMT_UYVY10_1X20, ADV7842_OP_CH_SEL_RBG, false, false, |
| 628 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT }, |
| 629 | { MEDIA_BUS_FMT_VYUY10_1X20, ADV7842_OP_CH_SEL_RBG, false, true, |
| 630 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT }, |
| 631 | { MEDIA_BUS_FMT_YUYV10_1X20, ADV7842_OP_CH_SEL_RGB, false, false, |
| 632 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT }, |
| 633 | { MEDIA_BUS_FMT_YVYU10_1X20, ADV7842_OP_CH_SEL_RGB, false, true, |
| 634 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT }, |
| 635 | { MEDIA_BUS_FMT_UYVY12_1X24, ADV7842_OP_CH_SEL_RBG, false, false, |
| 636 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT }, |
| 637 | { MEDIA_BUS_FMT_VYUY12_1X24, ADV7842_OP_CH_SEL_RBG, false, true, |
| 638 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT }, |
| 639 | { MEDIA_BUS_FMT_YUYV12_1X24, ADV7842_OP_CH_SEL_RGB, false, false, |
| 640 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT }, |
| 641 | { MEDIA_BUS_FMT_YVYU12_1X24, ADV7842_OP_CH_SEL_RGB, false, true, |
| 642 | ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT }, |
| 643 | }; |
| 644 | |
| 645 | static const struct adv7842_format_info * |
| 646 | adv7842_format_info(struct adv7842_state *state, u32 code) |
| 647 | { |
| 648 | unsigned int i; |
| 649 | |
| 650 | for (i = 0; i < ARRAY_SIZE(adv7842_formats); ++i) { |
| 651 | if (adv7842_formats[i].code == code) |
| 652 | return &adv7842_formats[i]; |
| 653 | } |
| 654 | |
| 655 | return NULL; |
| 656 | } |
| 657 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 658 | /* ----------------------------------------------------------------------- */ |
| 659 | |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 660 | static inline bool is_analog_input(struct v4l2_subdev *sd) |
| 661 | { |
| 662 | struct adv7842_state *state = to_state(sd); |
| 663 | |
| 664 | return ((state->mode == ADV7842_MODE_RGB) || |
| 665 | (state->mode == ADV7842_MODE_COMP)); |
| 666 | } |
| 667 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 668 | static inline bool is_digital_input(struct v4l2_subdev *sd) |
| 669 | { |
| 670 | struct adv7842_state *state = to_state(sd); |
| 671 | |
| 672 | return state->mode == ADV7842_MODE_HDMI; |
| 673 | } |
| 674 | |
| 675 | static const struct v4l2_dv_timings_cap adv7842_timings_cap_analog = { |
| 676 | .type = V4L2_DV_BT_656_1120, |
Gianluca Gennari | 9b51f17 | 2013-08-30 08:29:22 -0300 | [diff] [blame] | 677 | /* keep this initialization for compatibility with GCC < 4.4.6 */ |
| 678 | .reserved = { 0 }, |
Hans Verkuil | cdde22f | 2018-11-08 04:51:51 -0500 | [diff] [blame] | 679 | V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 170000000, |
Gianluca Gennari | 9b51f17 | 2013-08-30 08:29:22 -0300 | [diff] [blame] | 680 | V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 681 | V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, |
Gianluca Gennari | 9b51f17 | 2013-08-30 08:29:22 -0300 | [diff] [blame] | 682 | V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | |
| 683 | V4L2_DV_BT_CAP_CUSTOM) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 684 | }; |
| 685 | |
| 686 | static const struct v4l2_dv_timings_cap adv7842_timings_cap_digital = { |
| 687 | .type = V4L2_DV_BT_656_1120, |
Gianluca Gennari | 9b51f17 | 2013-08-30 08:29:22 -0300 | [diff] [blame] | 688 | /* keep this initialization for compatibility with GCC < 4.4.6 */ |
| 689 | .reserved = { 0 }, |
Hans Verkuil | cdde22f | 2018-11-08 04:51:51 -0500 | [diff] [blame] | 690 | V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 225000000, |
Gianluca Gennari | 9b51f17 | 2013-08-30 08:29:22 -0300 | [diff] [blame] | 691 | V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 692 | V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, |
Gianluca Gennari | 9b51f17 | 2013-08-30 08:29:22 -0300 | [diff] [blame] | 693 | V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | |
| 694 | V4L2_DV_BT_CAP_CUSTOM) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 695 | }; |
| 696 | |
| 697 | static inline const struct v4l2_dv_timings_cap * |
| 698 | adv7842_get_dv_timings_cap(struct v4l2_subdev *sd) |
| 699 | { |
| 700 | return is_digital_input(sd) ? &adv7842_timings_cap_digital : |
| 701 | &adv7842_timings_cap_analog; |
| 702 | } |
| 703 | |
| 704 | /* ----------------------------------------------------------------------- */ |
| 705 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 706 | static u16 adv7842_read_cable_det(struct v4l2_subdev *sd) |
| 707 | { |
| 708 | u8 reg = io_read(sd, 0x6f); |
| 709 | u16 val = 0; |
| 710 | |
| 711 | if (reg & 0x02) |
| 712 | val |= 1; /* port A */ |
| 713 | if (reg & 0x01) |
| 714 | val |= 2; /* port B */ |
| 715 | return val; |
| 716 | } |
| 717 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 718 | static void adv7842_delayed_work_enable_hotplug(struct work_struct *work) |
| 719 | { |
| 720 | struct delayed_work *dwork = to_delayed_work(work); |
| 721 | struct adv7842_state *state = container_of(dwork, |
| 722 | struct adv7842_state, delayed_work_enable_hotplug); |
| 723 | struct v4l2_subdev *sd = &state->sd; |
| 724 | int present = state->hdmi_edid.present; |
| 725 | u8 mask = 0; |
| 726 | |
| 727 | v4l2_dbg(2, debug, sd, "%s: enable hotplug on ports: 0x%x\n", |
| 728 | __func__, present); |
| 729 | |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 730 | if (present & (0x04 << ADV7842_EDID_PORT_A)) |
| 731 | mask |= 0x20; |
| 732 | if (present & (0x04 << ADV7842_EDID_PORT_B)) |
| 733 | mask |= 0x10; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 734 | io_write_and_or(sd, 0x20, 0xcf, mask); |
| 735 | } |
| 736 | |
| 737 | static int edid_write_vga_segment(struct v4l2_subdev *sd) |
| 738 | { |
| 739 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 740 | struct adv7842_state *state = to_state(sd); |
| 741 | const u8 *val = state->vga_edid.edid; |
| 742 | int err = 0; |
| 743 | int i; |
| 744 | |
| 745 | v4l2_dbg(2, debug, sd, "%s: write EDID on VGA port\n", __func__); |
| 746 | |
| 747 | /* HPA disable on port A and B */ |
| 748 | io_write_and_or(sd, 0x20, 0xcf, 0x00); |
| 749 | |
| 750 | /* Disable I2C access to internal EDID ram from VGA DDC port */ |
| 751 | rep_write_and_or(sd, 0x7f, 0x7f, 0x00); |
| 752 | |
| 753 | /* edid segment pointer '1' for VGA port */ |
| 754 | rep_write_and_or(sd, 0x77, 0xef, 0x10); |
| 755 | |
| 756 | for (i = 0; !err && i < 256; i += I2C_SMBUS_BLOCK_MAX) |
| 757 | err = adv_smbus_write_i2c_block_data(state->i2c_edid, i, |
| 758 | I2C_SMBUS_BLOCK_MAX, val + i); |
| 759 | if (err) |
| 760 | return err; |
| 761 | |
| 762 | /* Calculates the checksums and enables I2C access |
| 763 | * to internal EDID ram from VGA DDC port. |
| 764 | */ |
| 765 | rep_write_and_or(sd, 0x7f, 0x7f, 0x80); |
| 766 | |
| 767 | for (i = 0; i < 1000; i++) { |
| 768 | if (rep_read(sd, 0x79) & 0x20) |
| 769 | break; |
| 770 | mdelay(1); |
| 771 | } |
| 772 | if (i == 1000) { |
| 773 | v4l_err(client, "error enabling edid on VGA port\n"); |
| 774 | return -EIO; |
| 775 | } |
| 776 | |
| 777 | /* enable hotplug after 200 ms */ |
Bhaktipriya Shridhar | 1d3e154 | 2016-07-02 07:37:22 -0300 | [diff] [blame] | 778 | schedule_delayed_work(&state->delayed_work_enable_hotplug, HZ / 5); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 779 | |
| 780 | return 0; |
| 781 | } |
| 782 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 783 | static int edid_write_hdmi_segment(struct v4l2_subdev *sd, u8 port) |
| 784 | { |
| 785 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 786 | struct adv7842_state *state = to_state(sd); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 787 | const u8 *edid = state->hdmi_edid.edid; |
| 788 | int spa_loc; |
| 789 | u16 pa; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 790 | int err = 0; |
| 791 | int i; |
| 792 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 793 | v4l2_dbg(2, debug, sd, "%s: write EDID on port %c\n", |
| 794 | __func__, (port == ADV7842_EDID_PORT_A) ? 'A' : 'B'); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 795 | |
| 796 | /* HPA disable on port A and B */ |
| 797 | io_write_and_or(sd, 0x20, 0xcf, 0x00); |
| 798 | |
| 799 | /* Disable I2C access to internal EDID ram from HDMI DDC ports */ |
| 800 | rep_write_and_or(sd, 0x77, 0xf3, 0x00); |
| 801 | |
Hans Verkuil | 2c0ffc9 | 2018-10-04 03:58:34 -0400 | [diff] [blame] | 802 | if (!state->hdmi_edid.present) { |
| 803 | cec_phys_addr_invalidate(state->cec_adap); |
Martin Bugge | fc2e991 | 2013-12-05 12:09:51 -0300 | [diff] [blame] | 804 | return 0; |
Hans Verkuil | 2c0ffc9 | 2018-10-04 03:58:34 -0400 | [diff] [blame] | 805 | } |
Martin Bugge | fc2e991 | 2013-12-05 12:09:51 -0300 | [diff] [blame] | 806 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 807 | pa = cec_get_edid_phys_addr(edid, 256, &spa_loc); |
| 808 | err = cec_phys_addr_validate(pa, &pa, NULL); |
| 809 | if (err) |
| 810 | return err; |
| 811 | |
| 812 | /* |
| 813 | * Return an error if no location of the source physical address |
| 814 | * was found. |
| 815 | */ |
| 816 | if (spa_loc == 0) |
| 817 | return -EINVAL; |
| 818 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 819 | /* edid segment pointer '0' for HDMI ports */ |
| 820 | rep_write_and_or(sd, 0x77, 0xef, 0x00); |
| 821 | |
| 822 | for (i = 0; !err && i < 256; i += I2C_SMBUS_BLOCK_MAX) |
| 823 | err = adv_smbus_write_i2c_block_data(state->i2c_edid, i, |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 824 | I2C_SMBUS_BLOCK_MAX, edid + i); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 825 | if (err) |
| 826 | return err; |
| 827 | |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 828 | if (port == ADV7842_EDID_PORT_A) { |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 829 | rep_write(sd, 0x72, edid[spa_loc]); |
| 830 | rep_write(sd, 0x73, edid[spa_loc + 1]); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 831 | } else { |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 832 | rep_write(sd, 0x74, edid[spa_loc]); |
| 833 | rep_write(sd, 0x75, edid[spa_loc + 1]); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 834 | } |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 835 | rep_write(sd, 0x76, spa_loc & 0xff); |
| 836 | rep_write_and_or(sd, 0x77, 0xbf, (spa_loc >> 2) & 0x40); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 837 | |
| 838 | /* Calculates the checksums and enables I2C access to internal |
| 839 | * EDID ram from HDMI DDC ports |
| 840 | */ |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 841 | rep_write_and_or(sd, 0x77, 0xf3, state->hdmi_edid.present); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 842 | |
| 843 | for (i = 0; i < 1000; i++) { |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 844 | if (rep_read(sd, 0x7d) & state->hdmi_edid.present) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 845 | break; |
| 846 | mdelay(1); |
| 847 | } |
| 848 | if (i == 1000) { |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 849 | v4l_err(client, "error enabling edid on port %c\n", |
| 850 | (port == ADV7842_EDID_PORT_A) ? 'A' : 'B'); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 851 | return -EIO; |
| 852 | } |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 853 | cec_s_phys_addr(state->cec_adap, pa, false); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 854 | |
| 855 | /* enable hotplug after 200 ms */ |
Bhaktipriya Shridhar | 1d3e154 | 2016-07-02 07:37:22 -0300 | [diff] [blame] | 856 | schedule_delayed_work(&state->delayed_work_enable_hotplug, HZ / 5); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 857 | |
| 858 | return 0; |
| 859 | } |
| 860 | |
| 861 | /* ----------------------------------------------------------------------- */ |
| 862 | |
| 863 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 864 | static void adv7842_inv_register(struct v4l2_subdev *sd) |
| 865 | { |
| 866 | v4l2_info(sd, "0x000-0x0ff: IO Map\n"); |
| 867 | v4l2_info(sd, "0x100-0x1ff: AVLink Map\n"); |
| 868 | v4l2_info(sd, "0x200-0x2ff: CEC Map\n"); |
| 869 | v4l2_info(sd, "0x300-0x3ff: InfoFrame Map\n"); |
| 870 | v4l2_info(sd, "0x400-0x4ff: SDP_IO Map\n"); |
| 871 | v4l2_info(sd, "0x500-0x5ff: SDP Map\n"); |
| 872 | v4l2_info(sd, "0x600-0x6ff: AFE Map\n"); |
| 873 | v4l2_info(sd, "0x700-0x7ff: Repeater Map\n"); |
| 874 | v4l2_info(sd, "0x800-0x8ff: EDID Map\n"); |
| 875 | v4l2_info(sd, "0x900-0x9ff: HDMI Map\n"); |
| 876 | v4l2_info(sd, "0xa00-0xaff: CP Map\n"); |
| 877 | v4l2_info(sd, "0xb00-0xbff: VDP Map\n"); |
| 878 | } |
| 879 | |
| 880 | static int adv7842_g_register(struct v4l2_subdev *sd, |
| 881 | struct v4l2_dbg_register *reg) |
| 882 | { |
| 883 | reg->size = 1; |
| 884 | switch (reg->reg >> 8) { |
| 885 | case 0: |
| 886 | reg->val = io_read(sd, reg->reg & 0xff); |
| 887 | break; |
| 888 | case 1: |
| 889 | reg->val = avlink_read(sd, reg->reg & 0xff); |
| 890 | break; |
| 891 | case 2: |
| 892 | reg->val = cec_read(sd, reg->reg & 0xff); |
| 893 | break; |
| 894 | case 3: |
| 895 | reg->val = infoframe_read(sd, reg->reg & 0xff); |
| 896 | break; |
| 897 | case 4: |
| 898 | reg->val = sdp_io_read(sd, reg->reg & 0xff); |
| 899 | break; |
| 900 | case 5: |
| 901 | reg->val = sdp_read(sd, reg->reg & 0xff); |
| 902 | break; |
| 903 | case 6: |
| 904 | reg->val = afe_read(sd, reg->reg & 0xff); |
| 905 | break; |
| 906 | case 7: |
| 907 | reg->val = rep_read(sd, reg->reg & 0xff); |
| 908 | break; |
| 909 | case 8: |
| 910 | reg->val = edid_read(sd, reg->reg & 0xff); |
| 911 | break; |
| 912 | case 9: |
| 913 | reg->val = hdmi_read(sd, reg->reg & 0xff); |
| 914 | break; |
| 915 | case 0xa: |
| 916 | reg->val = cp_read(sd, reg->reg & 0xff); |
| 917 | break; |
| 918 | case 0xb: |
| 919 | reg->val = vdp_read(sd, reg->reg & 0xff); |
| 920 | break; |
| 921 | default: |
| 922 | v4l2_info(sd, "Register %03llx not supported\n", reg->reg); |
| 923 | adv7842_inv_register(sd); |
| 924 | break; |
| 925 | } |
| 926 | return 0; |
| 927 | } |
| 928 | |
| 929 | static int adv7842_s_register(struct v4l2_subdev *sd, |
| 930 | const struct v4l2_dbg_register *reg) |
| 931 | { |
| 932 | u8 val = reg->val & 0xff; |
| 933 | |
| 934 | switch (reg->reg >> 8) { |
| 935 | case 0: |
| 936 | io_write(sd, reg->reg & 0xff, val); |
| 937 | break; |
| 938 | case 1: |
| 939 | avlink_write(sd, reg->reg & 0xff, val); |
| 940 | break; |
| 941 | case 2: |
| 942 | cec_write(sd, reg->reg & 0xff, val); |
| 943 | break; |
| 944 | case 3: |
| 945 | infoframe_write(sd, reg->reg & 0xff, val); |
| 946 | break; |
| 947 | case 4: |
| 948 | sdp_io_write(sd, reg->reg & 0xff, val); |
| 949 | break; |
| 950 | case 5: |
| 951 | sdp_write(sd, reg->reg & 0xff, val); |
| 952 | break; |
| 953 | case 6: |
| 954 | afe_write(sd, reg->reg & 0xff, val); |
| 955 | break; |
| 956 | case 7: |
| 957 | rep_write(sd, reg->reg & 0xff, val); |
| 958 | break; |
| 959 | case 8: |
| 960 | edid_write(sd, reg->reg & 0xff, val); |
| 961 | break; |
| 962 | case 9: |
| 963 | hdmi_write(sd, reg->reg & 0xff, val); |
| 964 | break; |
| 965 | case 0xa: |
| 966 | cp_write(sd, reg->reg & 0xff, val); |
| 967 | break; |
| 968 | case 0xb: |
| 969 | vdp_write(sd, reg->reg & 0xff, val); |
| 970 | break; |
| 971 | default: |
| 972 | v4l2_info(sd, "Register %03llx not supported\n", reg->reg); |
| 973 | adv7842_inv_register(sd); |
| 974 | break; |
| 975 | } |
| 976 | return 0; |
| 977 | } |
| 978 | #endif |
| 979 | |
| 980 | static int adv7842_s_detect_tx_5v_ctrl(struct v4l2_subdev *sd) |
| 981 | { |
| 982 | struct adv7842_state *state = to_state(sd); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 983 | u16 cable_det = adv7842_read_cable_det(sd); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 984 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 985 | v4l2_dbg(1, debug, sd, "%s: 0x%x\n", __func__, cable_det); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 986 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 987 | return v4l2_ctrl_s_ctrl(state->detect_tx_5v_ctrl, cable_det); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 988 | } |
| 989 | |
| 990 | static int find_and_set_predefined_video_timings(struct v4l2_subdev *sd, |
| 991 | u8 prim_mode, |
| 992 | const struct adv7842_video_standards *predef_vid_timings, |
| 993 | const struct v4l2_dv_timings *timings) |
| 994 | { |
| 995 | int i; |
| 996 | |
| 997 | for (i = 0; predef_vid_timings[i].timings.bt.width; i++) { |
| 998 | if (!v4l2_match_dv_timings(timings, &predef_vid_timings[i].timings, |
Hans Verkuil | 85f9e06 | 2015-11-13 09:46:26 -0200 | [diff] [blame] | 999 | is_digital_input(sd) ? 250000 : 1000000, false)) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1000 | continue; |
| 1001 | /* video std */ |
| 1002 | io_write(sd, 0x00, predef_vid_timings[i].vid_std); |
| 1003 | /* v_freq and prim mode */ |
| 1004 | io_write(sd, 0x01, (predef_vid_timings[i].v_freq << 4) + prim_mode); |
| 1005 | return 0; |
| 1006 | } |
| 1007 | |
| 1008 | return -1; |
| 1009 | } |
| 1010 | |
| 1011 | static int configure_predefined_video_timings(struct v4l2_subdev *sd, |
| 1012 | struct v4l2_dv_timings *timings) |
| 1013 | { |
| 1014 | struct adv7842_state *state = to_state(sd); |
| 1015 | int err; |
| 1016 | |
| 1017 | v4l2_dbg(1, debug, sd, "%s\n", __func__); |
| 1018 | |
| 1019 | /* reset to default values */ |
| 1020 | io_write(sd, 0x16, 0x43); |
| 1021 | io_write(sd, 0x17, 0x5a); |
| 1022 | /* disable embedded syncs for auto graphics mode */ |
| 1023 | cp_write_and_or(sd, 0x81, 0xef, 0x00); |
| 1024 | cp_write(sd, 0x26, 0x00); |
| 1025 | cp_write(sd, 0x27, 0x00); |
| 1026 | cp_write(sd, 0x28, 0x00); |
| 1027 | cp_write(sd, 0x29, 0x00); |
Martin Bugge | 6251e65 | 2013-12-10 11:01:00 -0300 | [diff] [blame] | 1028 | cp_write(sd, 0x8f, 0x40); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1029 | cp_write(sd, 0x90, 0x00); |
| 1030 | cp_write(sd, 0xa5, 0x00); |
| 1031 | cp_write(sd, 0xa6, 0x00); |
| 1032 | cp_write(sd, 0xa7, 0x00); |
| 1033 | cp_write(sd, 0xab, 0x00); |
| 1034 | cp_write(sd, 0xac, 0x00); |
| 1035 | |
| 1036 | switch (state->mode) { |
| 1037 | case ADV7842_MODE_COMP: |
| 1038 | case ADV7842_MODE_RGB: |
| 1039 | err = find_and_set_predefined_video_timings(sd, |
| 1040 | 0x01, adv7842_prim_mode_comp, timings); |
| 1041 | if (err) |
| 1042 | err = find_and_set_predefined_video_timings(sd, |
| 1043 | 0x02, adv7842_prim_mode_gr, timings); |
| 1044 | break; |
| 1045 | case ADV7842_MODE_HDMI: |
| 1046 | err = find_and_set_predefined_video_timings(sd, |
| 1047 | 0x05, adv7842_prim_mode_hdmi_comp, timings); |
| 1048 | if (err) |
| 1049 | err = find_and_set_predefined_video_timings(sd, |
| 1050 | 0x06, adv7842_prim_mode_hdmi_gr, timings); |
| 1051 | break; |
| 1052 | default: |
| 1053 | v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n", |
| 1054 | __func__, state->mode); |
| 1055 | err = -1; |
| 1056 | break; |
| 1057 | } |
| 1058 | |
| 1059 | |
| 1060 | return err; |
| 1061 | } |
| 1062 | |
| 1063 | static void configure_custom_video_timings(struct v4l2_subdev *sd, |
| 1064 | const struct v4l2_bt_timings *bt) |
| 1065 | { |
| 1066 | struct adv7842_state *state = to_state(sd); |
| 1067 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 1068 | u32 width = htotal(bt); |
| 1069 | u32 height = vtotal(bt); |
| 1070 | u16 cp_start_sav = bt->hsync + bt->hbackporch - 4; |
| 1071 | u16 cp_start_eav = width - bt->hfrontporch; |
| 1072 | u16 cp_start_vbi = height - bt->vfrontporch + 1; |
| 1073 | u16 cp_end_vbi = bt->vsync + bt->vbackporch + 1; |
| 1074 | u16 ch1_fr_ll = (((u32)bt->pixelclock / 100) > 0) ? |
| 1075 | ((width * (ADV7842_fsc / 100)) / ((u32)bt->pixelclock / 100)) : 0; |
| 1076 | const u8 pll[2] = { |
| 1077 | 0xc0 | ((width >> 8) & 0x1f), |
| 1078 | width & 0xff |
| 1079 | }; |
| 1080 | |
| 1081 | v4l2_dbg(2, debug, sd, "%s\n", __func__); |
| 1082 | |
| 1083 | switch (state->mode) { |
| 1084 | case ADV7842_MODE_COMP: |
| 1085 | case ADV7842_MODE_RGB: |
| 1086 | /* auto graphics */ |
| 1087 | io_write(sd, 0x00, 0x07); /* video std */ |
| 1088 | io_write(sd, 0x01, 0x02); /* prim mode */ |
| 1089 | /* enable embedded syncs for auto graphics mode */ |
| 1090 | cp_write_and_or(sd, 0x81, 0xef, 0x10); |
| 1091 | |
| 1092 | /* Should only be set in auto-graphics mode [REF_02, p. 91-92] */ |
| 1093 | /* setup PLL_DIV_MAN_EN and PLL_DIV_RATIO */ |
| 1094 | /* IO-map reg. 0x16 and 0x17 should be written in sequence */ |
| 1095 | if (adv_smbus_write_i2c_block_data(client, 0x16, 2, pll)) { |
| 1096 | v4l2_err(sd, "writing to reg 0x16 and 0x17 failed\n"); |
| 1097 | break; |
| 1098 | } |
| 1099 | |
| 1100 | /* active video - horizontal timing */ |
| 1101 | cp_write(sd, 0x26, (cp_start_sav >> 8) & 0xf); |
| 1102 | cp_write(sd, 0x27, (cp_start_sav & 0xff)); |
| 1103 | cp_write(sd, 0x28, (cp_start_eav >> 8) & 0xf); |
| 1104 | cp_write(sd, 0x29, (cp_start_eav & 0xff)); |
| 1105 | |
| 1106 | /* active video - vertical timing */ |
| 1107 | cp_write(sd, 0xa5, (cp_start_vbi >> 4) & 0xff); |
| 1108 | cp_write(sd, 0xa6, ((cp_start_vbi & 0xf) << 4) | |
| 1109 | ((cp_end_vbi >> 8) & 0xf)); |
| 1110 | cp_write(sd, 0xa7, cp_end_vbi & 0xff); |
| 1111 | break; |
| 1112 | case ADV7842_MODE_HDMI: |
| 1113 | /* set default prim_mode/vid_std for HDMI |
Jonathan McCrohan | 39c1cb2 | 2013-10-20 21:34:01 -0300 | [diff] [blame] | 1114 | according to [REF_03, c. 4.2] */ |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1115 | io_write(sd, 0x00, 0x02); /* video std */ |
| 1116 | io_write(sd, 0x01, 0x06); /* prim mode */ |
| 1117 | break; |
| 1118 | default: |
| 1119 | v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n", |
| 1120 | __func__, state->mode); |
| 1121 | break; |
| 1122 | } |
| 1123 | |
| 1124 | cp_write(sd, 0x8f, (ch1_fr_ll >> 8) & 0x7); |
| 1125 | cp_write(sd, 0x90, ch1_fr_ll & 0xff); |
| 1126 | cp_write(sd, 0xab, (height >> 4) & 0xff); |
| 1127 | cp_write(sd, 0xac, (height & 0x0f) << 4); |
| 1128 | } |
| 1129 | |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1130 | static void adv7842_set_offset(struct v4l2_subdev *sd, bool auto_offset, u16 offset_a, u16 offset_b, u16 offset_c) |
| 1131 | { |
| 1132 | struct adv7842_state *state = to_state(sd); |
| 1133 | u8 offset_buf[4]; |
| 1134 | |
| 1135 | if (auto_offset) { |
| 1136 | offset_a = 0x3ff; |
| 1137 | offset_b = 0x3ff; |
| 1138 | offset_c = 0x3ff; |
| 1139 | } |
| 1140 | |
| 1141 | v4l2_dbg(2, debug, sd, "%s: %s offset: a = 0x%x, b = 0x%x, c = 0x%x\n", |
| 1142 | __func__, auto_offset ? "Auto" : "Manual", |
| 1143 | offset_a, offset_b, offset_c); |
| 1144 | |
| 1145 | offset_buf[0]= (cp_read(sd, 0x77) & 0xc0) | ((offset_a & 0x3f0) >> 4); |
| 1146 | offset_buf[1] = ((offset_a & 0x00f) << 4) | ((offset_b & 0x3c0) >> 6); |
| 1147 | offset_buf[2] = ((offset_b & 0x03f) << 2) | ((offset_c & 0x300) >> 8); |
| 1148 | offset_buf[3] = offset_c & 0x0ff; |
| 1149 | |
| 1150 | /* Registers must be written in this order with no i2c access in between */ |
| 1151 | if (adv_smbus_write_i2c_block_data(state->i2c_cp, 0x77, 4, offset_buf)) |
| 1152 | v4l2_err(sd, "%s: i2c error writing to CP reg 0x77, 0x78, 0x79, 0x7a\n", __func__); |
| 1153 | } |
| 1154 | |
| 1155 | static void adv7842_set_gain(struct v4l2_subdev *sd, bool auto_gain, u16 gain_a, u16 gain_b, u16 gain_c) |
| 1156 | { |
| 1157 | struct adv7842_state *state = to_state(sd); |
| 1158 | u8 gain_buf[4]; |
| 1159 | u8 gain_man = 1; |
| 1160 | u8 agc_mode_man = 1; |
| 1161 | |
| 1162 | if (auto_gain) { |
| 1163 | gain_man = 0; |
| 1164 | agc_mode_man = 0; |
| 1165 | gain_a = 0x100; |
| 1166 | gain_b = 0x100; |
| 1167 | gain_c = 0x100; |
| 1168 | } |
| 1169 | |
| 1170 | v4l2_dbg(2, debug, sd, "%s: %s gain: a = 0x%x, b = 0x%x, c = 0x%x\n", |
| 1171 | __func__, auto_gain ? "Auto" : "Manual", |
| 1172 | gain_a, gain_b, gain_c); |
| 1173 | |
| 1174 | gain_buf[0] = ((gain_man << 7) | (agc_mode_man << 6) | ((gain_a & 0x3f0) >> 4)); |
| 1175 | gain_buf[1] = (((gain_a & 0x00f) << 4) | ((gain_b & 0x3c0) >> 6)); |
| 1176 | gain_buf[2] = (((gain_b & 0x03f) << 2) | ((gain_c & 0x300) >> 8)); |
| 1177 | gain_buf[3] = ((gain_c & 0x0ff)); |
| 1178 | |
| 1179 | /* Registers must be written in this order with no i2c access in between */ |
| 1180 | if (adv_smbus_write_i2c_block_data(state->i2c_cp, 0x73, 4, gain_buf)) |
| 1181 | v4l2_err(sd, "%s: i2c error writing to CP reg 0x73, 0x74, 0x75, 0x76\n", __func__); |
| 1182 | } |
| 1183 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1184 | static void set_rgb_quantization_range(struct v4l2_subdev *sd) |
| 1185 | { |
| 1186 | struct adv7842_state *state = to_state(sd); |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1187 | bool rgb_output = io_read(sd, 0x02) & 0x02; |
| 1188 | bool hdmi_signal = hdmi_read(sd, 0x05) & 0x80; |
Hans Verkuil | fd74246 | 2016-06-28 11:43:01 -0300 | [diff] [blame] | 1189 | u8 y = HDMI_COLORSPACE_RGB; |
| 1190 | |
| 1191 | if (hdmi_signal && (io_read(sd, 0x60) & 1)) |
| 1192 | y = infoframe_read(sd, 0x01) >> 5; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1193 | |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1194 | v4l2_dbg(2, debug, sd, "%s: RGB quantization range: %d, RGB out: %d, HDMI: %d\n", |
| 1195 | __func__, state->rgb_quantization_range, |
| 1196 | rgb_output, hdmi_signal); |
| 1197 | |
| 1198 | adv7842_set_gain(sd, true, 0x0, 0x0, 0x0); |
| 1199 | adv7842_set_offset(sd, true, 0x0, 0x0, 0x0); |
Hans Verkuil | fd74246 | 2016-06-28 11:43:01 -0300 | [diff] [blame] | 1200 | io_write_clr_set(sd, 0x02, 0x04, rgb_output ? 0 : 4); |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1201 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1202 | switch (state->rgb_quantization_range) { |
| 1203 | case V4L2_DV_RGB_RANGE_AUTO: |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1204 | if (state->mode == ADV7842_MODE_RGB) { |
| 1205 | /* Receiving analog RGB signal |
| 1206 | * Set RGB full range (0-255) */ |
| 1207 | io_write_and_or(sd, 0x02, 0x0f, 0x10); |
| 1208 | break; |
| 1209 | } |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1210 | |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1211 | if (state->mode == ADV7842_MODE_COMP) { |
| 1212 | /* Receiving analog YPbPr signal |
| 1213 | * Set automode */ |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1214 | io_write_and_or(sd, 0x02, 0x0f, 0xf0); |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1215 | break; |
| 1216 | } |
| 1217 | |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1218 | if (hdmi_signal) { |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1219 | /* Receiving HDMI signal |
| 1220 | * Set automode */ |
| 1221 | io_write_and_or(sd, 0x02, 0x0f, 0xf0); |
| 1222 | break; |
| 1223 | } |
| 1224 | |
| 1225 | /* Receiving DVI-D signal |
| 1226 | * ADV7842 selects RGB limited range regardless of |
| 1227 | * input format (CE/IT) in automatic mode */ |
Hans Verkuil | 680fee0 | 2015-03-20 14:05:05 -0300 | [diff] [blame] | 1228 | if (state->timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) { |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1229 | /* RGB limited range (16-235) */ |
| 1230 | io_write_and_or(sd, 0x02, 0x0f, 0x00); |
| 1231 | } else { |
| 1232 | /* RGB full range (0-255) */ |
| 1233 | io_write_and_or(sd, 0x02, 0x0f, 0x10); |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1234 | |
| 1235 | if (is_digital_input(sd) && rgb_output) { |
| 1236 | adv7842_set_offset(sd, false, 0x40, 0x40, 0x40); |
| 1237 | } else { |
| 1238 | adv7842_set_gain(sd, false, 0xe0, 0xe0, 0xe0); |
| 1239 | adv7842_set_offset(sd, false, 0x70, 0x70, 0x70); |
| 1240 | } |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1241 | } |
| 1242 | break; |
| 1243 | case V4L2_DV_RGB_RANGE_LIMITED: |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1244 | if (state->mode == ADV7842_MODE_COMP) { |
| 1245 | /* YCrCb limited range (16-235) */ |
| 1246 | io_write_and_or(sd, 0x02, 0x0f, 0x20); |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1247 | break; |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1248 | } |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1249 | |
Hans Verkuil | fd74246 | 2016-06-28 11:43:01 -0300 | [diff] [blame] | 1250 | if (y != HDMI_COLORSPACE_RGB) |
| 1251 | break; |
| 1252 | |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1253 | /* RGB limited range (16-235) */ |
| 1254 | io_write_and_or(sd, 0x02, 0x0f, 0x00); |
| 1255 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1256 | break; |
| 1257 | case V4L2_DV_RGB_RANGE_FULL: |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1258 | if (state->mode == ADV7842_MODE_COMP) { |
| 1259 | /* YCrCb full range (0-255) */ |
| 1260 | io_write_and_or(sd, 0x02, 0x0f, 0x60); |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1261 | break; |
| 1262 | } |
| 1263 | |
Hans Verkuil | fd74246 | 2016-06-28 11:43:01 -0300 | [diff] [blame] | 1264 | if (y != HDMI_COLORSPACE_RGB) |
| 1265 | break; |
| 1266 | |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1267 | /* RGB full range (0-255) */ |
| 1268 | io_write_and_or(sd, 0x02, 0x0f, 0x10); |
| 1269 | |
| 1270 | if (is_analog_input(sd) || hdmi_signal) |
| 1271 | break; |
| 1272 | |
| 1273 | /* Adjust gain/offset for DVI-D signals only */ |
| 1274 | if (rgb_output) { |
| 1275 | adv7842_set_offset(sd, false, 0x40, 0x40, 0x40); |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1276 | } else { |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1277 | adv7842_set_gain(sd, false, 0xe0, 0xe0, 0xe0); |
| 1278 | adv7842_set_offset(sd, false, 0x70, 0x70, 0x70); |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1279 | } |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1280 | break; |
| 1281 | } |
| 1282 | } |
| 1283 | |
| 1284 | static int adv7842_s_ctrl(struct v4l2_ctrl *ctrl) |
| 1285 | { |
| 1286 | struct v4l2_subdev *sd = to_sd(ctrl); |
| 1287 | struct adv7842_state *state = to_state(sd); |
| 1288 | |
| 1289 | /* TODO SDP ctrls |
| 1290 | contrast/brightness/hue/free run is acting a bit strange, |
| 1291 | not sure if sdp csc is correct. |
| 1292 | */ |
| 1293 | switch (ctrl->id) { |
| 1294 | /* standard ctrls */ |
| 1295 | case V4L2_CID_BRIGHTNESS: |
| 1296 | cp_write(sd, 0x3c, ctrl->val); |
| 1297 | sdp_write(sd, 0x14, ctrl->val); |
| 1298 | /* ignore lsb sdp 0x17[3:2] */ |
| 1299 | return 0; |
| 1300 | case V4L2_CID_CONTRAST: |
| 1301 | cp_write(sd, 0x3a, ctrl->val); |
| 1302 | sdp_write(sd, 0x13, ctrl->val); |
| 1303 | /* ignore lsb sdp 0x17[1:0] */ |
| 1304 | return 0; |
| 1305 | case V4L2_CID_SATURATION: |
| 1306 | cp_write(sd, 0x3b, ctrl->val); |
| 1307 | sdp_write(sd, 0x15, ctrl->val); |
| 1308 | /* ignore lsb sdp 0x17[5:4] */ |
| 1309 | return 0; |
| 1310 | case V4L2_CID_HUE: |
| 1311 | cp_write(sd, 0x3d, ctrl->val); |
| 1312 | sdp_write(sd, 0x16, ctrl->val); |
| 1313 | /* ignore lsb sdp 0x17[7:6] */ |
| 1314 | return 0; |
| 1315 | /* custom ctrls */ |
| 1316 | case V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE: |
| 1317 | afe_write(sd, 0xc8, ctrl->val); |
| 1318 | return 0; |
| 1319 | case V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL: |
| 1320 | cp_write_and_or(sd, 0xbf, ~0x04, (ctrl->val << 2)); |
| 1321 | sdp_write_and_or(sd, 0xdd, ~0x04, (ctrl->val << 2)); |
| 1322 | return 0; |
| 1323 | case V4L2_CID_ADV_RX_FREE_RUN_COLOR: { |
| 1324 | u8 R = (ctrl->val & 0xff0000) >> 16; |
| 1325 | u8 G = (ctrl->val & 0x00ff00) >> 8; |
| 1326 | u8 B = (ctrl->val & 0x0000ff); |
| 1327 | /* RGB -> YUV, numerical approximation */ |
| 1328 | int Y = 66 * R + 129 * G + 25 * B; |
| 1329 | int U = -38 * R - 74 * G + 112 * B; |
| 1330 | int V = 112 * R - 94 * G - 18 * B; |
| 1331 | |
| 1332 | /* Scale down to 8 bits with rounding */ |
| 1333 | Y = (Y + 128) >> 8; |
| 1334 | U = (U + 128) >> 8; |
| 1335 | V = (V + 128) >> 8; |
| 1336 | /* make U,V positive */ |
| 1337 | Y += 16; |
| 1338 | U += 128; |
| 1339 | V += 128; |
| 1340 | |
| 1341 | v4l2_dbg(1, debug, sd, "R %x, G %x, B %x\n", R, G, B); |
| 1342 | v4l2_dbg(1, debug, sd, "Y %x, U %x, V %x\n", Y, U, V); |
| 1343 | |
| 1344 | /* CP */ |
| 1345 | cp_write(sd, 0xc1, R); |
| 1346 | cp_write(sd, 0xc0, G); |
| 1347 | cp_write(sd, 0xc2, B); |
| 1348 | /* SDP */ |
| 1349 | sdp_write(sd, 0xde, Y); |
| 1350 | sdp_write(sd, 0xdf, (V & 0xf0) | ((U >> 4) & 0x0f)); |
| 1351 | return 0; |
| 1352 | } |
| 1353 | case V4L2_CID_DV_RX_RGB_RANGE: |
| 1354 | state->rgb_quantization_range = ctrl->val; |
| 1355 | set_rgb_quantization_range(sd); |
| 1356 | return 0; |
| 1357 | } |
| 1358 | return -EINVAL; |
| 1359 | } |
| 1360 | |
Hans Verkuil | e897927 | 2016-01-27 11:31:42 -0200 | [diff] [blame] | 1361 | static int adv7842_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
| 1362 | { |
| 1363 | struct v4l2_subdev *sd = to_sd(ctrl); |
| 1364 | |
| 1365 | if (ctrl->id == V4L2_CID_DV_RX_IT_CONTENT_TYPE) { |
| 1366 | ctrl->val = V4L2_DV_IT_CONTENT_TYPE_NO_ITC; |
| 1367 | if ((io_read(sd, 0x60) & 1) && (infoframe_read(sd, 0x03) & 0x80)) |
| 1368 | ctrl->val = (infoframe_read(sd, 0x05) >> 4) & 3; |
| 1369 | return 0; |
| 1370 | } |
| 1371 | return -EINVAL; |
| 1372 | } |
| 1373 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1374 | static inline bool no_power(struct v4l2_subdev *sd) |
| 1375 | { |
| 1376 | return io_read(sd, 0x0c) & 0x24; |
| 1377 | } |
| 1378 | |
| 1379 | static inline bool no_cp_signal(struct v4l2_subdev *sd) |
| 1380 | { |
| 1381 | return ((cp_read(sd, 0xb5) & 0xd0) != 0xd0) || !(cp_read(sd, 0xb1) & 0x80); |
| 1382 | } |
| 1383 | |
| 1384 | static inline bool is_hdmi(struct v4l2_subdev *sd) |
| 1385 | { |
| 1386 | return hdmi_read(sd, 0x05) & 0x80; |
| 1387 | } |
| 1388 | |
| 1389 | static int adv7842_g_input_status(struct v4l2_subdev *sd, u32 *status) |
| 1390 | { |
| 1391 | struct adv7842_state *state = to_state(sd); |
| 1392 | |
| 1393 | *status = 0; |
| 1394 | |
| 1395 | if (io_read(sd, 0x0c) & 0x24) |
| 1396 | *status |= V4L2_IN_ST_NO_POWER; |
| 1397 | |
| 1398 | if (state->mode == ADV7842_MODE_SDP) { |
| 1399 | /* status from SDP block */ |
| 1400 | if (!(sdp_read(sd, 0x5A) & 0x01)) |
| 1401 | *status |= V4L2_IN_ST_NO_SIGNAL; |
| 1402 | |
| 1403 | v4l2_dbg(1, debug, sd, "%s: SDP status = 0x%x\n", |
| 1404 | __func__, *status); |
| 1405 | return 0; |
| 1406 | } |
| 1407 | /* status from CP block */ |
| 1408 | if ((cp_read(sd, 0xb5) & 0xd0) != 0xd0 || |
| 1409 | !(cp_read(sd, 0xb1) & 0x80)) |
| 1410 | /* TODO channel 2 */ |
| 1411 | *status |= V4L2_IN_ST_NO_SIGNAL; |
| 1412 | |
| 1413 | if (is_digital_input(sd) && ((io_read(sd, 0x74) & 0x03) != 0x03)) |
| 1414 | *status |= V4L2_IN_ST_NO_SIGNAL; |
| 1415 | |
| 1416 | v4l2_dbg(1, debug, sd, "%s: CP status = 0x%x\n", |
| 1417 | __func__, *status); |
| 1418 | |
| 1419 | return 0; |
| 1420 | } |
| 1421 | |
| 1422 | struct stdi_readback { |
| 1423 | u16 bl, lcf, lcvs; |
| 1424 | u8 hs_pol, vs_pol; |
| 1425 | bool interlaced; |
| 1426 | }; |
| 1427 | |
| 1428 | static int stdi2dv_timings(struct v4l2_subdev *sd, |
| 1429 | struct stdi_readback *stdi, |
| 1430 | struct v4l2_dv_timings *timings) |
| 1431 | { |
| 1432 | struct adv7842_state *state = to_state(sd); |
| 1433 | u32 hfreq = (ADV7842_fsc * 8) / stdi->bl; |
| 1434 | u32 pix_clk; |
| 1435 | int i; |
| 1436 | |
| 1437 | for (i = 0; v4l2_dv_timings_presets[i].bt.width; i++) { |
| 1438 | const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt; |
| 1439 | |
| 1440 | if (!v4l2_valid_dv_timings(&v4l2_dv_timings_presets[i], |
| 1441 | adv7842_get_dv_timings_cap(sd), |
| 1442 | adv7842_check_dv_timings, NULL)) |
| 1443 | continue; |
| 1444 | if (vtotal(bt) != stdi->lcf + 1) |
| 1445 | continue; |
| 1446 | if (bt->vsync != stdi->lcvs) |
| 1447 | continue; |
| 1448 | |
| 1449 | pix_clk = hfreq * htotal(bt); |
| 1450 | |
| 1451 | if ((pix_clk < bt->pixelclock + 1000000) && |
| 1452 | (pix_clk > bt->pixelclock - 1000000)) { |
| 1453 | *timings = v4l2_dv_timings_presets[i]; |
| 1454 | return 0; |
| 1455 | } |
| 1456 | } |
| 1457 | |
Prashant Laddha | 5fea1bb | 2015-06-10 13:51:42 -0300 | [diff] [blame] | 1458 | if (v4l2_detect_cvt(stdi->lcf + 1, hfreq, stdi->lcvs, 0, |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1459 | (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) | |
| 1460 | (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0), |
Prashant Laddha | 061ddda | 2015-05-22 02:27:34 -0300 | [diff] [blame] | 1461 | false, timings)) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1462 | return 0; |
| 1463 | if (v4l2_detect_gtf(stdi->lcf + 1, hfreq, stdi->lcvs, |
| 1464 | (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) | |
| 1465 | (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0), |
Prashant Laddha | 061ddda | 2015-05-22 02:27:34 -0300 | [diff] [blame] | 1466 | false, state->aspect_ratio, timings)) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1467 | return 0; |
| 1468 | |
| 1469 | v4l2_dbg(2, debug, sd, |
| 1470 | "%s: No format candidate found for lcvs = %d, lcf=%d, bl = %d, %chsync, %cvsync\n", |
| 1471 | __func__, stdi->lcvs, stdi->lcf, stdi->bl, |
| 1472 | stdi->hs_pol, stdi->vs_pol); |
| 1473 | return -1; |
| 1474 | } |
| 1475 | |
| 1476 | static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi) |
| 1477 | { |
| 1478 | u32 status; |
| 1479 | |
| 1480 | adv7842_g_input_status(sd, &status); |
| 1481 | if (status & V4L2_IN_ST_NO_SIGNAL) { |
| 1482 | v4l2_dbg(2, debug, sd, "%s: no signal\n", __func__); |
| 1483 | return -ENOLINK; |
| 1484 | } |
| 1485 | |
| 1486 | stdi->bl = ((cp_read(sd, 0xb1) & 0x3f) << 8) | cp_read(sd, 0xb2); |
| 1487 | stdi->lcf = ((cp_read(sd, 0xb3) & 0x7) << 8) | cp_read(sd, 0xb4); |
| 1488 | stdi->lcvs = cp_read(sd, 0xb3) >> 3; |
| 1489 | |
| 1490 | if ((cp_read(sd, 0xb5) & 0x80) && ((cp_read(sd, 0xb5) & 0x03) == 0x01)) { |
| 1491 | stdi->hs_pol = ((cp_read(sd, 0xb5) & 0x10) ? |
| 1492 | ((cp_read(sd, 0xb5) & 0x08) ? '+' : '-') : 'x'); |
| 1493 | stdi->vs_pol = ((cp_read(sd, 0xb5) & 0x40) ? |
| 1494 | ((cp_read(sd, 0xb5) & 0x20) ? '+' : '-') : 'x'); |
| 1495 | } else { |
| 1496 | stdi->hs_pol = 'x'; |
| 1497 | stdi->vs_pol = 'x'; |
| 1498 | } |
| 1499 | stdi->interlaced = (cp_read(sd, 0xb1) & 0x40) ? true : false; |
| 1500 | |
| 1501 | if (stdi->lcf < 239 || stdi->bl < 8 || stdi->bl == 0x3fff) { |
| 1502 | v4l2_dbg(2, debug, sd, "%s: invalid signal\n", __func__); |
| 1503 | return -ENOLINK; |
| 1504 | } |
| 1505 | |
| 1506 | v4l2_dbg(2, debug, sd, |
| 1507 | "%s: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, %chsync, %cvsync, %s\n", |
| 1508 | __func__, stdi->lcf, stdi->bl, stdi->lcvs, |
| 1509 | stdi->hs_pol, stdi->vs_pol, |
| 1510 | stdi->interlaced ? "interlaced" : "progressive"); |
| 1511 | |
| 1512 | return 0; |
| 1513 | } |
| 1514 | |
| 1515 | static int adv7842_enum_dv_timings(struct v4l2_subdev *sd, |
| 1516 | struct v4l2_enum_dv_timings *timings) |
| 1517 | { |
Laurent Pinchart | c916194 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1518 | if (timings->pad != 0) |
| 1519 | return -EINVAL; |
| 1520 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1521 | return v4l2_enum_dv_timings_cap(timings, |
| 1522 | adv7842_get_dv_timings_cap(sd), adv7842_check_dv_timings, NULL); |
| 1523 | } |
| 1524 | |
| 1525 | static int adv7842_dv_timings_cap(struct v4l2_subdev *sd, |
| 1526 | struct v4l2_dv_timings_cap *cap) |
| 1527 | { |
Laurent Pinchart | c916194 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1528 | if (cap->pad != 0) |
| 1529 | return -EINVAL; |
| 1530 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1531 | *cap = *adv7842_get_dv_timings_cap(sd); |
| 1532 | return 0; |
| 1533 | } |
| 1534 | |
| 1535 | /* Fill the optional fields .standards and .flags in struct v4l2_dv_timings |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1536 | if the format is listed in adv7842_timings[] */ |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1537 | static void adv7842_fill_optional_dv_timings_fields(struct v4l2_subdev *sd, |
| 1538 | struct v4l2_dv_timings *timings) |
| 1539 | { |
| 1540 | v4l2_find_dv_timings_cap(timings, adv7842_get_dv_timings_cap(sd), |
| 1541 | is_digital_input(sd) ? 250000 : 1000000, |
| 1542 | adv7842_check_dv_timings, NULL); |
| 1543 | } |
| 1544 | |
| 1545 | static int adv7842_query_dv_timings(struct v4l2_subdev *sd, |
| 1546 | struct v4l2_dv_timings *timings) |
| 1547 | { |
| 1548 | struct adv7842_state *state = to_state(sd); |
| 1549 | struct v4l2_bt_timings *bt = &timings->bt; |
| 1550 | struct stdi_readback stdi = { 0 }; |
| 1551 | |
Martin Bugge | e78d834 | 2013-12-10 10:57:03 -0300 | [diff] [blame] | 1552 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
| 1553 | |
Hans Verkuil | f8789e6 | 2014-09-20 07:36:39 -0300 | [diff] [blame] | 1554 | memset(timings, 0, sizeof(struct v4l2_dv_timings)); |
| 1555 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1556 | /* SDP block */ |
| 1557 | if (state->mode == ADV7842_MODE_SDP) |
| 1558 | return -ENODATA; |
| 1559 | |
| 1560 | /* read STDI */ |
| 1561 | if (read_stdi(sd, &stdi)) { |
Martin Bugge | 6e9071f | 2013-12-10 12:00:06 -0300 | [diff] [blame] | 1562 | state->restart_stdi_once = true; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1563 | v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__); |
| 1564 | return -ENOLINK; |
| 1565 | } |
| 1566 | bt->interlaced = stdi.interlaced ? |
| 1567 | V4L2_DV_INTERLACED : V4L2_DV_PROGRESSIVE; |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 1568 | bt->standards = V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | |
| 1569 | V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1570 | |
| 1571 | if (is_digital_input(sd)) { |
Hans Verkuil | 28a769f | 2015-06-07 07:32:31 -0300 | [diff] [blame] | 1572 | u32 freq; |
Martin Bugge | e78d834 | 2013-12-10 10:57:03 -0300 | [diff] [blame] | 1573 | |
| 1574 | timings->type = V4L2_DV_BT_656_1120; |
Martin Bugge | 6e9071f | 2013-12-10 12:00:06 -0300 | [diff] [blame] | 1575 | |
Martin Bugge | e78d834 | 2013-12-10 10:57:03 -0300 | [diff] [blame] | 1576 | bt->width = (hdmi_read(sd, 0x07) & 0x0f) * 256 + hdmi_read(sd, 0x08); |
| 1577 | bt->height = (hdmi_read(sd, 0x09) & 0x0f) * 256 + hdmi_read(sd, 0x0a); |
Martin Bugge | 81ba0a4 | 2014-01-24 10:50:04 -0300 | [diff] [blame] | 1578 | freq = ((hdmi_read(sd, 0x51) << 1) + (hdmi_read(sd, 0x52) >> 7)) * 1000000; |
| 1579 | freq += ((hdmi_read(sd, 0x52) & 0x7f) * 7813); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1580 | if (is_hdmi(sd)) { |
| 1581 | /* adjust for deep color mode */ |
Martin Bugge | 81ba0a4 | 2014-01-24 10:50:04 -0300 | [diff] [blame] | 1582 | freq = freq * 8 / (((hdmi_read(sd, 0x0b) & 0xc0) >> 6) * 2 + 8); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1583 | } |
Martin Bugge | e78d834 | 2013-12-10 10:57:03 -0300 | [diff] [blame] | 1584 | bt->pixelclock = freq; |
| 1585 | bt->hfrontporch = (hdmi_read(sd, 0x20) & 0x03) * 256 + |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1586 | hdmi_read(sd, 0x21); |
Martin Bugge | e78d834 | 2013-12-10 10:57:03 -0300 | [diff] [blame] | 1587 | bt->hsync = (hdmi_read(sd, 0x22) & 0x03) * 256 + |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1588 | hdmi_read(sd, 0x23); |
Martin Bugge | e78d834 | 2013-12-10 10:57:03 -0300 | [diff] [blame] | 1589 | bt->hbackporch = (hdmi_read(sd, 0x24) & 0x03) * 256 + |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1590 | hdmi_read(sd, 0x25); |
Martin Bugge | e78d834 | 2013-12-10 10:57:03 -0300 | [diff] [blame] | 1591 | bt->vfrontporch = ((hdmi_read(sd, 0x2a) & 0x1f) * 256 + |
| 1592 | hdmi_read(sd, 0x2b)) / 2; |
| 1593 | bt->vsync = ((hdmi_read(sd, 0x2e) & 0x1f) * 256 + |
| 1594 | hdmi_read(sd, 0x2f)) / 2; |
| 1595 | bt->vbackporch = ((hdmi_read(sd, 0x32) & 0x1f) * 256 + |
| 1596 | hdmi_read(sd, 0x33)) / 2; |
| 1597 | bt->polarities = ((hdmi_read(sd, 0x05) & 0x10) ? V4L2_DV_VSYNC_POS_POL : 0) | |
| 1598 | ((hdmi_read(sd, 0x05) & 0x20) ? V4L2_DV_HSYNC_POS_POL : 0); |
| 1599 | if (bt->interlaced == V4L2_DV_INTERLACED) { |
| 1600 | bt->height += (hdmi_read(sd, 0x0b) & 0x0f) * 256 + |
| 1601 | hdmi_read(sd, 0x0c); |
| 1602 | bt->il_vfrontporch = ((hdmi_read(sd, 0x2c) & 0x1f) * 256 + |
| 1603 | hdmi_read(sd, 0x2d)) / 2; |
| 1604 | bt->il_vsync = ((hdmi_read(sd, 0x30) & 0x1f) * 256 + |
| 1605 | hdmi_read(sd, 0x31)) / 2; |
Hans Verkuil | f8789e6 | 2014-09-20 07:36:39 -0300 | [diff] [blame] | 1606 | bt->il_vbackporch = ((hdmi_read(sd, 0x34) & 0x1f) * 256 + |
Martin Bugge | e78d834 | 2013-12-10 10:57:03 -0300 | [diff] [blame] | 1607 | hdmi_read(sd, 0x35)) / 2; |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 1608 | } else { |
| 1609 | bt->il_vfrontporch = 0; |
| 1610 | bt->il_vsync = 0; |
| 1611 | bt->il_vbackporch = 0; |
Martin Bugge | e78d834 | 2013-12-10 10:57:03 -0300 | [diff] [blame] | 1612 | } |
| 1613 | adv7842_fill_optional_dv_timings_fields(sd, timings); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1614 | } else { |
Martin Bugge | 6e9071f | 2013-12-10 12:00:06 -0300 | [diff] [blame] | 1615 | /* find format |
| 1616 | * Since LCVS values are inaccurate [REF_03, p. 339-340], |
| 1617 | * stdi2dv_timings() is called with lcvs +-1 if the first attempt fails. |
| 1618 | */ |
| 1619 | if (!stdi2dv_timings(sd, &stdi, timings)) |
| 1620 | goto found; |
| 1621 | stdi.lcvs += 1; |
| 1622 | v4l2_dbg(1, debug, sd, "%s: lcvs + 1 = %d\n", __func__, stdi.lcvs); |
| 1623 | if (!stdi2dv_timings(sd, &stdi, timings)) |
| 1624 | goto found; |
| 1625 | stdi.lcvs -= 2; |
| 1626 | v4l2_dbg(1, debug, sd, "%s: lcvs - 1 = %d\n", __func__, stdi.lcvs); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1627 | if (stdi2dv_timings(sd, &stdi, timings)) { |
Martin Bugge | 6e9071f | 2013-12-10 12:00:06 -0300 | [diff] [blame] | 1628 | /* |
| 1629 | * The STDI block may measure wrong values, especially |
| 1630 | * for lcvs and lcf. If the driver can not find any |
| 1631 | * valid timing, the STDI block is restarted to measure |
| 1632 | * the video timings again. The function will return an |
| 1633 | * error, but the restart of STDI will generate a new |
| 1634 | * STDI interrupt and the format detection process will |
| 1635 | * restart. |
| 1636 | */ |
| 1637 | if (state->restart_stdi_once) { |
| 1638 | v4l2_dbg(1, debug, sd, "%s: restart STDI\n", __func__); |
| 1639 | /* TODO restart STDI for Sync Channel 2 */ |
| 1640 | /* enter one-shot mode */ |
| 1641 | cp_write_and_or(sd, 0x86, 0xf9, 0x00); |
| 1642 | /* trigger STDI restart */ |
| 1643 | cp_write_and_or(sd, 0x86, 0xf9, 0x04); |
| 1644 | /* reset to continuous mode */ |
| 1645 | cp_write_and_or(sd, 0x86, 0xf9, 0x02); |
| 1646 | state->restart_stdi_once = false; |
| 1647 | return -ENOLINK; |
| 1648 | } |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1649 | v4l2_dbg(1, debug, sd, "%s: format not supported\n", __func__); |
| 1650 | return -ERANGE; |
| 1651 | } |
Martin Bugge | 6e9071f | 2013-12-10 12:00:06 -0300 | [diff] [blame] | 1652 | state->restart_stdi_once = true; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1653 | } |
Martin Bugge | 6e9071f | 2013-12-10 12:00:06 -0300 | [diff] [blame] | 1654 | found: |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1655 | |
| 1656 | if (debug > 1) |
Martin Bugge | 6e9071f | 2013-12-10 12:00:06 -0300 | [diff] [blame] | 1657 | v4l2_print_dv_timings(sd->name, "adv7842_query_dv_timings:", |
| 1658 | timings, true); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1659 | return 0; |
| 1660 | } |
| 1661 | |
| 1662 | static int adv7842_s_dv_timings(struct v4l2_subdev *sd, |
| 1663 | struct v4l2_dv_timings *timings) |
| 1664 | { |
| 1665 | struct adv7842_state *state = to_state(sd); |
| 1666 | struct v4l2_bt_timings *bt; |
| 1667 | int err; |
| 1668 | |
Martin Bugge | e78d834 | 2013-12-10 10:57:03 -0300 | [diff] [blame] | 1669 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
| 1670 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1671 | if (state->mode == ADV7842_MODE_SDP) |
| 1672 | return -ENODATA; |
| 1673 | |
Hans Verkuil | 85f9e06 | 2015-11-13 09:46:26 -0200 | [diff] [blame] | 1674 | if (v4l2_match_dv_timings(&state->timings, timings, 0, false)) { |
Martin Bugge | 834a8be | 2013-12-12 10:10:57 -0300 | [diff] [blame] | 1675 | v4l2_dbg(1, debug, sd, "%s: no change\n", __func__); |
| 1676 | return 0; |
| 1677 | } |
| 1678 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1679 | bt = &timings->bt; |
| 1680 | |
| 1681 | if (!v4l2_valid_dv_timings(timings, adv7842_get_dv_timings_cap(sd), |
| 1682 | adv7842_check_dv_timings, NULL)) |
| 1683 | return -ERANGE; |
| 1684 | |
| 1685 | adv7842_fill_optional_dv_timings_fields(sd, timings); |
| 1686 | |
| 1687 | state->timings = *timings; |
| 1688 | |
Martin Bugge | 6251e65 | 2013-12-10 11:01:00 -0300 | [diff] [blame] | 1689 | cp_write(sd, 0x91, bt->interlaced ? 0x40 : 0x00); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1690 | |
| 1691 | /* Use prim_mode and vid_std when available */ |
| 1692 | err = configure_predefined_video_timings(sd, timings); |
| 1693 | if (err) { |
| 1694 | /* custom settings when the video format |
| 1695 | does not have prim_mode/vid_std */ |
| 1696 | configure_custom_video_timings(sd, bt); |
| 1697 | } |
| 1698 | |
| 1699 | set_rgb_quantization_range(sd); |
| 1700 | |
| 1701 | |
| 1702 | if (debug > 1) |
| 1703 | v4l2_print_dv_timings(sd->name, "adv7842_s_dv_timings: ", |
| 1704 | timings, true); |
| 1705 | return 0; |
| 1706 | } |
| 1707 | |
| 1708 | static int adv7842_g_dv_timings(struct v4l2_subdev *sd, |
| 1709 | struct v4l2_dv_timings *timings) |
| 1710 | { |
| 1711 | struct adv7842_state *state = to_state(sd); |
| 1712 | |
| 1713 | if (state->mode == ADV7842_MODE_SDP) |
| 1714 | return -ENODATA; |
| 1715 | *timings = state->timings; |
| 1716 | return 0; |
| 1717 | } |
| 1718 | |
| 1719 | static void enable_input(struct v4l2_subdev *sd) |
| 1720 | { |
| 1721 | struct adv7842_state *state = to_state(sd); |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1722 | |
| 1723 | set_rgb_quantization_range(sd); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1724 | switch (state->mode) { |
| 1725 | case ADV7842_MODE_SDP: |
| 1726 | case ADV7842_MODE_COMP: |
| 1727 | case ADV7842_MODE_RGB: |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1728 | io_write(sd, 0x15, 0xb0); /* Disable Tristate of Pins (no audio) */ |
| 1729 | break; |
| 1730 | case ADV7842_MODE_HDMI: |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1731 | hdmi_write(sd, 0x01, 0x00); /* Enable HDMI clock terminators */ |
| 1732 | io_write(sd, 0x15, 0xa0); /* Disable Tristate of Pins */ |
Mats Randgaard | 5b64b20 | 2013-12-05 12:08:45 -0300 | [diff] [blame] | 1733 | hdmi_write_and_or(sd, 0x1a, 0xef, 0x00); /* Unmute audio */ |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1734 | break; |
| 1735 | default: |
| 1736 | v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n", |
| 1737 | __func__, state->mode); |
| 1738 | break; |
| 1739 | } |
| 1740 | } |
| 1741 | |
| 1742 | static void disable_input(struct v4l2_subdev *sd) |
| 1743 | { |
Mats Randgaard | 5b64b20 | 2013-12-05 12:08:45 -0300 | [diff] [blame] | 1744 | hdmi_write_and_or(sd, 0x1a, 0xef, 0x10); /* Mute audio [REF_01, c. 2.2.2] */ |
| 1745 | msleep(16); /* 512 samples with >= 32 kHz sample rate [REF_03, c. 8.29] */ |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1746 | io_write(sd, 0x15, 0xbe); /* Tristate all outputs from video core */ |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1747 | hdmi_write(sd, 0x01, 0x78); /* Disable HDMI clock terminators */ |
| 1748 | } |
| 1749 | |
| 1750 | static void sdp_csc_coeff(struct v4l2_subdev *sd, |
| 1751 | const struct adv7842_sdp_csc_coeff *c) |
| 1752 | { |
| 1753 | /* csc auto/manual */ |
| 1754 | sdp_io_write_and_or(sd, 0xe0, 0xbf, c->manual ? 0x00 : 0x40); |
| 1755 | |
| 1756 | if (!c->manual) |
| 1757 | return; |
| 1758 | |
| 1759 | /* csc scaling */ |
| 1760 | sdp_io_write_and_or(sd, 0xe0, 0x7f, c->scaling == 2 ? 0x80 : 0x00); |
| 1761 | |
| 1762 | /* A coeff */ |
| 1763 | sdp_io_write_and_or(sd, 0xe0, 0xe0, c->A1 >> 8); |
| 1764 | sdp_io_write(sd, 0xe1, c->A1); |
| 1765 | sdp_io_write_and_or(sd, 0xe2, 0xe0, c->A2 >> 8); |
| 1766 | sdp_io_write(sd, 0xe3, c->A2); |
| 1767 | sdp_io_write_and_or(sd, 0xe4, 0xe0, c->A3 >> 8); |
| 1768 | sdp_io_write(sd, 0xe5, c->A3); |
| 1769 | |
| 1770 | /* A scale */ |
| 1771 | sdp_io_write_and_or(sd, 0xe6, 0x80, c->A4 >> 8); |
| 1772 | sdp_io_write(sd, 0xe7, c->A4); |
| 1773 | |
| 1774 | /* B coeff */ |
| 1775 | sdp_io_write_and_or(sd, 0xe8, 0xe0, c->B1 >> 8); |
| 1776 | sdp_io_write(sd, 0xe9, c->B1); |
| 1777 | sdp_io_write_and_or(sd, 0xea, 0xe0, c->B2 >> 8); |
| 1778 | sdp_io_write(sd, 0xeb, c->B2); |
| 1779 | sdp_io_write_and_or(sd, 0xec, 0xe0, c->B3 >> 8); |
| 1780 | sdp_io_write(sd, 0xed, c->B3); |
| 1781 | |
| 1782 | /* B scale */ |
| 1783 | sdp_io_write_and_or(sd, 0xee, 0x80, c->B4 >> 8); |
| 1784 | sdp_io_write(sd, 0xef, c->B4); |
| 1785 | |
| 1786 | /* C coeff */ |
| 1787 | sdp_io_write_and_or(sd, 0xf0, 0xe0, c->C1 >> 8); |
| 1788 | sdp_io_write(sd, 0xf1, c->C1); |
| 1789 | sdp_io_write_and_or(sd, 0xf2, 0xe0, c->C2 >> 8); |
| 1790 | sdp_io_write(sd, 0xf3, c->C2); |
| 1791 | sdp_io_write_and_or(sd, 0xf4, 0xe0, c->C3 >> 8); |
| 1792 | sdp_io_write(sd, 0xf5, c->C3); |
| 1793 | |
| 1794 | /* C scale */ |
| 1795 | sdp_io_write_and_or(sd, 0xf6, 0x80, c->C4 >> 8); |
| 1796 | sdp_io_write(sd, 0xf7, c->C4); |
| 1797 | } |
| 1798 | |
| 1799 | static void select_input(struct v4l2_subdev *sd, |
| 1800 | enum adv7842_vid_std_select vid_std_select) |
| 1801 | { |
| 1802 | struct adv7842_state *state = to_state(sd); |
| 1803 | |
| 1804 | switch (state->mode) { |
| 1805 | case ADV7842_MODE_SDP: |
| 1806 | io_write(sd, 0x00, vid_std_select); /* video std: CVBS or YC mode */ |
| 1807 | io_write(sd, 0x01, 0); /* prim mode */ |
| 1808 | /* enable embedded syncs for auto graphics mode */ |
| 1809 | cp_write_and_or(sd, 0x81, 0xef, 0x10); |
| 1810 | |
| 1811 | afe_write(sd, 0x00, 0x00); /* power up ADC */ |
| 1812 | afe_write(sd, 0xc8, 0x00); /* phase control */ |
| 1813 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1814 | io_write(sd, 0xdd, 0x90); /* Manual 2x output clock */ |
| 1815 | /* script says register 0xde, which don't exist in manual */ |
| 1816 | |
| 1817 | /* Manual analog input muxing mode, CVBS (6.4)*/ |
| 1818 | afe_write_and_or(sd, 0x02, 0x7f, 0x80); |
| 1819 | if (vid_std_select == ADV7842_SDP_VID_STD_CVBS_SD_4x1) { |
| 1820 | afe_write(sd, 0x03, 0xa0); /* ADC0 to AIN10 (CVBS), ADC1 N/C*/ |
| 1821 | afe_write(sd, 0x04, 0x00); /* ADC2 N/C,ADC3 N/C*/ |
| 1822 | } else { |
| 1823 | afe_write(sd, 0x03, 0xa0); /* ADC0 to AIN10 (CVBS), ADC1 N/C*/ |
| 1824 | afe_write(sd, 0x04, 0xc0); /* ADC2 to AIN12, ADC3 N/C*/ |
| 1825 | } |
| 1826 | afe_write(sd, 0x0c, 0x1f); /* ADI recommend write */ |
| 1827 | afe_write(sd, 0x12, 0x63); /* ADI recommend write */ |
| 1828 | |
| 1829 | sdp_io_write(sd, 0xb2, 0x60); /* Disable AV codes */ |
| 1830 | sdp_io_write(sd, 0xc8, 0xe3); /* Disable Ancillary data */ |
| 1831 | |
| 1832 | /* SDP recommended settings */ |
| 1833 | sdp_write(sd, 0x00, 0x3F); /* Autodetect PAL NTSC (not SECAM) */ |
| 1834 | sdp_write(sd, 0x01, 0x00); /* Pedestal Off */ |
| 1835 | |
| 1836 | sdp_write(sd, 0x03, 0xE4); /* Manual VCR Gain Luma 0x40B */ |
| 1837 | sdp_write(sd, 0x04, 0x0B); /* Manual Luma setting */ |
| 1838 | sdp_write(sd, 0x05, 0xC3); /* Manual Chroma setting 0x3FE */ |
| 1839 | sdp_write(sd, 0x06, 0xFE); /* Manual Chroma setting */ |
| 1840 | sdp_write(sd, 0x12, 0x0D); /* Frame TBC,I_P, 3D comb enabled */ |
| 1841 | sdp_write(sd, 0xA7, 0x00); /* ADI Recommended Write */ |
| 1842 | sdp_io_write(sd, 0xB0, 0x00); /* Disable H and v blanking */ |
| 1843 | |
| 1844 | /* deinterlacer enabled and 3D comb */ |
| 1845 | sdp_write_and_or(sd, 0x12, 0xf6, 0x09); |
| 1846 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1847 | break; |
| 1848 | |
| 1849 | case ADV7842_MODE_COMP: |
| 1850 | case ADV7842_MODE_RGB: |
| 1851 | /* Automatic analog input muxing mode */ |
| 1852 | afe_write_and_or(sd, 0x02, 0x7f, 0x00); |
| 1853 | /* set mode and select free run resolution */ |
| 1854 | io_write(sd, 0x00, vid_std_select); /* video std */ |
| 1855 | io_write(sd, 0x01, 0x02); /* prim mode */ |
| 1856 | cp_write_and_or(sd, 0x81, 0xef, 0x10); /* enable embedded syncs |
| 1857 | for auto graphics mode */ |
| 1858 | |
| 1859 | afe_write(sd, 0x00, 0x00); /* power up ADC */ |
| 1860 | afe_write(sd, 0xc8, 0x00); /* phase control */ |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1861 | if (state->mode == ADV7842_MODE_COMP) { |
| 1862 | /* force to YCrCb */ |
| 1863 | io_write_and_or(sd, 0x02, 0x0f, 0x60); |
| 1864 | } else { |
| 1865 | /* force to RGB */ |
| 1866 | io_write_and_or(sd, 0x02, 0x0f, 0x10); |
| 1867 | } |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1868 | |
| 1869 | /* set ADI recommended settings for digitizer */ |
| 1870 | /* "ADV7842 Register Settings Recommendations |
| 1871 | * (rev. 1.8, November 2010)" p. 9. */ |
| 1872 | afe_write(sd, 0x0c, 0x1f); /* ADC Range improvement */ |
| 1873 | afe_write(sd, 0x12, 0x63); /* ADC Range improvement */ |
| 1874 | |
| 1875 | /* set to default gain for RGB */ |
| 1876 | cp_write(sd, 0x73, 0x10); |
| 1877 | cp_write(sd, 0x74, 0x04); |
| 1878 | cp_write(sd, 0x75, 0x01); |
| 1879 | cp_write(sd, 0x76, 0x00); |
| 1880 | |
| 1881 | cp_write(sd, 0x3e, 0x04); /* CP core pre-gain control */ |
| 1882 | cp_write(sd, 0xc3, 0x39); /* CP coast control. Graphics mode */ |
| 1883 | cp_write(sd, 0x40, 0x5c); /* CP core pre-gain control. Graphics mode */ |
| 1884 | break; |
| 1885 | |
| 1886 | case ADV7842_MODE_HDMI: |
| 1887 | /* Automatic analog input muxing mode */ |
| 1888 | afe_write_and_or(sd, 0x02, 0x7f, 0x00); |
| 1889 | /* set mode and select free run resolution */ |
| 1890 | if (state->hdmi_port_a) |
| 1891 | hdmi_write(sd, 0x00, 0x02); /* select port A */ |
| 1892 | else |
| 1893 | hdmi_write(sd, 0x00, 0x03); /* select port B */ |
| 1894 | io_write(sd, 0x00, vid_std_select); /* video std */ |
| 1895 | io_write(sd, 0x01, 5); /* prim mode */ |
| 1896 | cp_write_and_or(sd, 0x81, 0xef, 0x00); /* disable embedded syncs |
| 1897 | for auto graphics mode */ |
| 1898 | |
| 1899 | /* set ADI recommended settings for HDMI: */ |
| 1900 | /* "ADV7842 Register Settings Recommendations |
| 1901 | * (rev. 1.8, November 2010)" p. 3. */ |
| 1902 | hdmi_write(sd, 0xc0, 0x00); |
| 1903 | hdmi_write(sd, 0x0d, 0x34); /* ADI recommended write */ |
| 1904 | hdmi_write(sd, 0x3d, 0x10); /* ADI recommended write */ |
| 1905 | hdmi_write(sd, 0x44, 0x85); /* TMDS PLL optimization */ |
| 1906 | hdmi_write(sd, 0x46, 0x1f); /* ADI recommended write */ |
| 1907 | hdmi_write(sd, 0x57, 0xb6); /* TMDS PLL optimization */ |
| 1908 | hdmi_write(sd, 0x58, 0x03); /* TMDS PLL optimization */ |
| 1909 | hdmi_write(sd, 0x60, 0x88); /* TMDS PLL optimization */ |
| 1910 | hdmi_write(sd, 0x61, 0x88); /* TMDS PLL optimization */ |
| 1911 | hdmi_write(sd, 0x6c, 0x18); /* Disable ISRC clearing bit, |
| 1912 | Improve robustness */ |
| 1913 | hdmi_write(sd, 0x75, 0x10); /* DDC drive strength */ |
| 1914 | hdmi_write(sd, 0x85, 0x1f); /* equaliser */ |
| 1915 | hdmi_write(sd, 0x87, 0x70); /* ADI recommended write */ |
| 1916 | hdmi_write(sd, 0x89, 0x04); /* equaliser */ |
| 1917 | hdmi_write(sd, 0x8a, 0x1e); /* equaliser */ |
| 1918 | hdmi_write(sd, 0x93, 0x04); /* equaliser */ |
| 1919 | hdmi_write(sd, 0x94, 0x1e); /* equaliser */ |
| 1920 | hdmi_write(sd, 0x99, 0xa1); /* ADI recommended write */ |
| 1921 | hdmi_write(sd, 0x9b, 0x09); /* ADI recommended write */ |
| 1922 | hdmi_write(sd, 0x9d, 0x02); /* equaliser */ |
| 1923 | |
| 1924 | afe_write(sd, 0x00, 0xff); /* power down ADC */ |
| 1925 | afe_write(sd, 0xc8, 0x40); /* phase control */ |
| 1926 | |
| 1927 | /* set to default gain for HDMI */ |
| 1928 | cp_write(sd, 0x73, 0x10); |
| 1929 | cp_write(sd, 0x74, 0x04); |
| 1930 | cp_write(sd, 0x75, 0x01); |
| 1931 | cp_write(sd, 0x76, 0x00); |
| 1932 | |
| 1933 | /* reset ADI recommended settings for digitizer */ |
| 1934 | /* "ADV7842 Register Settings Recommendations |
| 1935 | * (rev. 2.5, June 2010)" p. 17. */ |
| 1936 | afe_write(sd, 0x12, 0xfb); /* ADC noise shaping filter controls */ |
| 1937 | afe_write(sd, 0x0c, 0x0d); /* CP core gain controls */ |
Martin Bugge | 933913d | 2014-01-24 10:50:03 -0300 | [diff] [blame] | 1938 | cp_write(sd, 0x3e, 0x00); /* CP core pre-gain control */ |
| 1939 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1940 | /* CP coast control */ |
| 1941 | cp_write(sd, 0xc3, 0x33); /* Component mode */ |
| 1942 | |
| 1943 | /* color space conversion, autodetect color space */ |
| 1944 | io_write_and_or(sd, 0x02, 0x0f, 0xf0); |
| 1945 | break; |
| 1946 | |
| 1947 | default: |
| 1948 | v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n", |
| 1949 | __func__, state->mode); |
| 1950 | break; |
| 1951 | } |
| 1952 | } |
| 1953 | |
| 1954 | static int adv7842_s_routing(struct v4l2_subdev *sd, |
| 1955 | u32 input, u32 output, u32 config) |
| 1956 | { |
| 1957 | struct adv7842_state *state = to_state(sd); |
| 1958 | |
| 1959 | v4l2_dbg(2, debug, sd, "%s: input %d\n", __func__, input); |
| 1960 | |
| 1961 | switch (input) { |
| 1962 | case ADV7842_SELECT_HDMI_PORT_A: |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1963 | state->mode = ADV7842_MODE_HDMI; |
| 1964 | state->vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P; |
| 1965 | state->hdmi_port_a = true; |
| 1966 | break; |
| 1967 | case ADV7842_SELECT_HDMI_PORT_B: |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1968 | state->mode = ADV7842_MODE_HDMI; |
| 1969 | state->vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P; |
| 1970 | state->hdmi_port_a = false; |
| 1971 | break; |
| 1972 | case ADV7842_SELECT_VGA_COMP: |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 1973 | state->mode = ADV7842_MODE_COMP; |
| 1974 | state->vid_std_select = ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE; |
| 1975 | break; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1976 | case ADV7842_SELECT_VGA_RGB: |
| 1977 | state->mode = ADV7842_MODE_RGB; |
| 1978 | state->vid_std_select = ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE; |
| 1979 | break; |
| 1980 | case ADV7842_SELECT_SDP_CVBS: |
| 1981 | state->mode = ADV7842_MODE_SDP; |
| 1982 | state->vid_std_select = ADV7842_SDP_VID_STD_CVBS_SD_4x1; |
| 1983 | break; |
| 1984 | case ADV7842_SELECT_SDP_YC: |
| 1985 | state->mode = ADV7842_MODE_SDP; |
| 1986 | state->vid_std_select = ADV7842_SDP_VID_STD_YC_SD4_x1; |
| 1987 | break; |
| 1988 | default: |
| 1989 | return -EINVAL; |
| 1990 | } |
| 1991 | |
| 1992 | disable_input(sd); |
| 1993 | select_input(sd, state->vid_std_select); |
| 1994 | enable_input(sd); |
| 1995 | |
Lars-Peter Clausen | 2cf4090 | 2015-06-24 13:50:31 -0300 | [diff] [blame] | 1996 | v4l2_subdev_notify_event(sd, &adv7842_ev_fmt); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 1997 | |
| 1998 | return 0; |
| 1999 | } |
| 2000 | |
Hans Verkuil | ebcff5f | 2015-04-09 04:01:33 -0300 | [diff] [blame] | 2001 | static int adv7842_enum_mbus_code(struct v4l2_subdev *sd, |
| 2002 | struct v4l2_subdev_pad_config *cfg, |
| 2003 | struct v4l2_subdev_mbus_code_enum *code) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2004 | { |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2005 | if (code->index >= ARRAY_SIZE(adv7842_formats)) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2006 | return -EINVAL; |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2007 | code->code = adv7842_formats[code->index].code; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2008 | return 0; |
| 2009 | } |
| 2010 | |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2011 | static void adv7842_fill_format(struct adv7842_state *state, |
| 2012 | struct v4l2_mbus_framefmt *format) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2013 | { |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2014 | memset(format, 0, sizeof(*format)); |
| 2015 | |
| 2016 | format->width = state->timings.bt.width; |
| 2017 | format->height = state->timings.bt.height; |
| 2018 | format->field = V4L2_FIELD_NONE; |
| 2019 | format->colorspace = V4L2_COLORSPACE_SRGB; |
| 2020 | |
| 2021 | if (state->timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) |
| 2022 | format->colorspace = (state->timings.bt.height <= 576) ? |
| 2023 | V4L2_COLORSPACE_SMPTE170M : V4L2_COLORSPACE_REC709; |
| 2024 | } |
| 2025 | |
| 2026 | /* |
| 2027 | * Compute the op_ch_sel value required to obtain on the bus the component order |
| 2028 | * corresponding to the selected format taking into account bus reordering |
| 2029 | * applied by the board at the output of the device. |
| 2030 | * |
| 2031 | * The following table gives the op_ch_value from the format component order |
| 2032 | * (expressed as op_ch_sel value in column) and the bus reordering (expressed as |
| 2033 | * adv7842_bus_order value in row). |
| 2034 | * |
| 2035 | * | GBR(0) GRB(1) BGR(2) RGB(3) BRG(4) RBG(5) |
| 2036 | * ----------+------------------------------------------------- |
| 2037 | * RGB (NOP) | GBR GRB BGR RGB BRG RBG |
| 2038 | * GRB (1-2) | BGR RGB GBR GRB RBG BRG |
| 2039 | * RBG (2-3) | GRB GBR BRG RBG BGR RGB |
| 2040 | * BGR (1-3) | RBG BRG RGB BGR GRB GBR |
| 2041 | * BRG (ROR) | BRG RBG GRB GBR RGB BGR |
| 2042 | * GBR (ROL) | RGB BGR RBG BRG GBR GRB |
| 2043 | */ |
| 2044 | static unsigned int adv7842_op_ch_sel(struct adv7842_state *state) |
| 2045 | { |
| 2046 | #define _SEL(a, b, c, d, e, f) { \ |
| 2047 | ADV7842_OP_CH_SEL_##a, ADV7842_OP_CH_SEL_##b, ADV7842_OP_CH_SEL_##c, \ |
| 2048 | ADV7842_OP_CH_SEL_##d, ADV7842_OP_CH_SEL_##e, ADV7842_OP_CH_SEL_##f } |
| 2049 | #define _BUS(x) [ADV7842_BUS_ORDER_##x] |
| 2050 | |
| 2051 | static const unsigned int op_ch_sel[6][6] = { |
| 2052 | _BUS(RGB) /* NOP */ = _SEL(GBR, GRB, BGR, RGB, BRG, RBG), |
| 2053 | _BUS(GRB) /* 1-2 */ = _SEL(BGR, RGB, GBR, GRB, RBG, BRG), |
| 2054 | _BUS(RBG) /* 2-3 */ = _SEL(GRB, GBR, BRG, RBG, BGR, RGB), |
| 2055 | _BUS(BGR) /* 1-3 */ = _SEL(RBG, BRG, RGB, BGR, GRB, GBR), |
| 2056 | _BUS(BRG) /* ROR */ = _SEL(BRG, RBG, GRB, GBR, RGB, BGR), |
| 2057 | _BUS(GBR) /* ROL */ = _SEL(RGB, BGR, RBG, BRG, GBR, GRB), |
| 2058 | }; |
| 2059 | |
| 2060 | return op_ch_sel[state->pdata.bus_order][state->format->op_ch_sel >> 5]; |
| 2061 | } |
| 2062 | |
| 2063 | static void adv7842_setup_format(struct adv7842_state *state) |
| 2064 | { |
| 2065 | struct v4l2_subdev *sd = &state->sd; |
| 2066 | |
| 2067 | io_write_clr_set(sd, 0x02, 0x02, |
| 2068 | state->format->rgb_out ? ADV7842_RGB_OUT : 0); |
| 2069 | io_write(sd, 0x03, state->format->op_format_sel | |
| 2070 | state->pdata.op_format_mode_sel); |
| 2071 | io_write_clr_set(sd, 0x04, 0xe0, adv7842_op_ch_sel(state)); |
| 2072 | io_write_clr_set(sd, 0x05, 0x01, |
| 2073 | state->format->swap_cb_cr ? ADV7842_OP_SWAP_CB_CR : 0); |
Hans Verkuil | fd74246 | 2016-06-28 11:43:01 -0300 | [diff] [blame] | 2074 | set_rgb_quantization_range(sd); |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2075 | } |
| 2076 | |
| 2077 | static int adv7842_get_format(struct v4l2_subdev *sd, |
| 2078 | struct v4l2_subdev_pad_config *cfg, |
| 2079 | struct v4l2_subdev_format *format) |
| 2080 | { |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2081 | struct adv7842_state *state = to_state(sd); |
| 2082 | |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2083 | if (format->pad != ADV7842_PAD_SOURCE) |
Hans Verkuil | da298c6 | 2015-04-09 04:02:34 -0300 | [diff] [blame] | 2084 | return -EINVAL; |
| 2085 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2086 | if (state->mode == ADV7842_MODE_SDP) { |
| 2087 | /* SPD block */ |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2088 | if (!(sdp_read(sd, 0x5a) & 0x01)) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2089 | return -EINVAL; |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2090 | format->format.code = MEDIA_BUS_FMT_YUYV8_2X8; |
| 2091 | format->format.width = 720; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2092 | /* valid signal */ |
| 2093 | if (state->norm & V4L2_STD_525_60) |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2094 | format->format.height = 480; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2095 | else |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2096 | format->format.height = 576; |
| 2097 | format->format.colorspace = V4L2_COLORSPACE_SMPTE170M; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2098 | return 0; |
| 2099 | } |
| 2100 | |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2101 | adv7842_fill_format(state, &format->format); |
| 2102 | |
| 2103 | if (format->which == V4L2_SUBDEV_FORMAT_TRY) { |
| 2104 | struct v4l2_mbus_framefmt *fmt; |
| 2105 | |
| 2106 | fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); |
| 2107 | format->format.code = fmt->code; |
| 2108 | } else { |
| 2109 | format->format.code = state->format->code; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2110 | } |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 2111 | |
| 2112 | return 0; |
| 2113 | } |
| 2114 | |
| 2115 | static int adv7842_set_format(struct v4l2_subdev *sd, |
| 2116 | struct v4l2_subdev_pad_config *cfg, |
| 2117 | struct v4l2_subdev_format *format) |
| 2118 | { |
| 2119 | struct adv7842_state *state = to_state(sd); |
| 2120 | const struct adv7842_format_info *info; |
| 2121 | |
| 2122 | if (format->pad != ADV7842_PAD_SOURCE) |
| 2123 | return -EINVAL; |
| 2124 | |
| 2125 | if (state->mode == ADV7842_MODE_SDP) |
| 2126 | return adv7842_get_format(sd, cfg, format); |
| 2127 | |
| 2128 | info = adv7842_format_info(state, format->format.code); |
| 2129 | if (info == NULL) |
| 2130 | info = adv7842_format_info(state, MEDIA_BUS_FMT_YUYV8_2X8); |
| 2131 | |
| 2132 | adv7842_fill_format(state, &format->format); |
| 2133 | format->format.code = info->code; |
| 2134 | |
| 2135 | if (format->which == V4L2_SUBDEV_FORMAT_TRY) { |
| 2136 | struct v4l2_mbus_framefmt *fmt; |
| 2137 | |
| 2138 | fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); |
| 2139 | fmt->code = format->format.code; |
| 2140 | } else { |
| 2141 | state->format = info; |
| 2142 | adv7842_setup_format(state); |
| 2143 | } |
| 2144 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2145 | return 0; |
| 2146 | } |
| 2147 | |
| 2148 | static void adv7842_irq_enable(struct v4l2_subdev *sd, bool enable) |
| 2149 | { |
| 2150 | if (enable) { |
| 2151 | /* Enable SSPD, STDI and CP locked/unlocked interrupts */ |
| 2152 | io_write(sd, 0x46, 0x9c); |
| 2153 | /* ESDP_50HZ_DET interrupt */ |
| 2154 | io_write(sd, 0x5a, 0x10); |
| 2155 | /* Enable CABLE_DET_A/B_ST (+5v) interrupt */ |
| 2156 | io_write(sd, 0x73, 0x03); |
| 2157 | /* Enable V_LOCKED and DE_REGEN_LCK interrupts */ |
| 2158 | io_write(sd, 0x78, 0x03); |
| 2159 | /* Enable SDP Standard Detection Change and SDP Video Detected */ |
| 2160 | io_write(sd, 0xa0, 0x09); |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2161 | /* Enable HDMI_MODE interrupt */ |
| 2162 | io_write(sd, 0x69, 0x08); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2163 | } else { |
| 2164 | io_write(sd, 0x46, 0x0); |
| 2165 | io_write(sd, 0x5a, 0x0); |
| 2166 | io_write(sd, 0x73, 0x0); |
| 2167 | io_write(sd, 0x78, 0x0); |
| 2168 | io_write(sd, 0xa0, 0x0); |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2169 | io_write(sd, 0x69, 0x0); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2170 | } |
| 2171 | } |
| 2172 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 2173 | #if IS_ENABLED(CONFIG_VIDEO_ADV7842_CEC) |
| 2174 | static void adv7842_cec_tx_raw_status(struct v4l2_subdev *sd, u8 tx_raw_status) |
| 2175 | { |
| 2176 | struct adv7842_state *state = to_state(sd); |
| 2177 | |
| 2178 | if ((cec_read(sd, 0x11) & 0x01) == 0) { |
| 2179 | v4l2_dbg(1, debug, sd, "%s: tx raw: tx disabled\n", __func__); |
| 2180 | return; |
| 2181 | } |
| 2182 | |
| 2183 | if (tx_raw_status & 0x02) { |
| 2184 | v4l2_dbg(1, debug, sd, "%s: tx raw: arbitration lost\n", |
| 2185 | __func__); |
| 2186 | cec_transmit_done(state->cec_adap, CEC_TX_STATUS_ARB_LOST, |
| 2187 | 1, 0, 0, 0); |
| 2188 | return; |
| 2189 | } |
| 2190 | if (tx_raw_status & 0x04) { |
| 2191 | u8 status; |
| 2192 | u8 nack_cnt; |
| 2193 | u8 low_drive_cnt; |
| 2194 | |
| 2195 | v4l2_dbg(1, debug, sd, "%s: tx raw: retry failed\n", __func__); |
| 2196 | /* |
| 2197 | * We set this status bit since this hardware performs |
| 2198 | * retransmissions. |
| 2199 | */ |
| 2200 | status = CEC_TX_STATUS_MAX_RETRIES; |
| 2201 | nack_cnt = cec_read(sd, 0x14) & 0xf; |
| 2202 | if (nack_cnt) |
| 2203 | status |= CEC_TX_STATUS_NACK; |
| 2204 | low_drive_cnt = cec_read(sd, 0x14) >> 4; |
| 2205 | if (low_drive_cnt) |
| 2206 | status |= CEC_TX_STATUS_LOW_DRIVE; |
| 2207 | cec_transmit_done(state->cec_adap, status, |
| 2208 | 0, nack_cnt, low_drive_cnt, 0); |
| 2209 | return; |
| 2210 | } |
| 2211 | if (tx_raw_status & 0x01) { |
| 2212 | v4l2_dbg(1, debug, sd, "%s: tx raw: ready ok\n", __func__); |
| 2213 | cec_transmit_done(state->cec_adap, CEC_TX_STATUS_OK, 0, 0, 0, 0); |
| 2214 | return; |
| 2215 | } |
| 2216 | } |
| 2217 | |
| 2218 | static void adv7842_cec_isr(struct v4l2_subdev *sd, bool *handled) |
| 2219 | { |
| 2220 | u8 cec_irq; |
| 2221 | |
| 2222 | /* cec controller */ |
| 2223 | cec_irq = io_read(sd, 0x93) & 0x0f; |
| 2224 | if (!cec_irq) |
| 2225 | return; |
| 2226 | |
| 2227 | v4l2_dbg(1, debug, sd, "%s: cec: irq 0x%x\n", __func__, cec_irq); |
| 2228 | adv7842_cec_tx_raw_status(sd, cec_irq); |
| 2229 | if (cec_irq & 0x08) { |
| 2230 | struct adv7842_state *state = to_state(sd); |
| 2231 | struct cec_msg msg; |
| 2232 | |
| 2233 | msg.len = cec_read(sd, 0x25) & 0x1f; |
| 2234 | if (msg.len > 16) |
| 2235 | msg.len = 16; |
| 2236 | |
| 2237 | if (msg.len) { |
| 2238 | u8 i; |
| 2239 | |
| 2240 | for (i = 0; i < msg.len; i++) |
| 2241 | msg.msg[i] = cec_read(sd, i + 0x15); |
| 2242 | cec_write(sd, 0x26, 0x01); /* re-enable rx */ |
| 2243 | cec_received_msg(state->cec_adap, &msg); |
| 2244 | } |
| 2245 | } |
| 2246 | |
| 2247 | io_write(sd, 0x94, cec_irq); |
| 2248 | |
| 2249 | if (handled) |
| 2250 | *handled = true; |
| 2251 | } |
| 2252 | |
| 2253 | static int adv7842_cec_adap_enable(struct cec_adapter *adap, bool enable) |
| 2254 | { |
Jose Abreu | 2e60ad1 | 2017-03-24 13:47:57 -0300 | [diff] [blame] | 2255 | struct adv7842_state *state = cec_get_drvdata(adap); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 2256 | struct v4l2_subdev *sd = &state->sd; |
| 2257 | |
| 2258 | if (!state->cec_enabled_adap && enable) { |
| 2259 | cec_write_clr_set(sd, 0x2a, 0x01, 0x01); /* power up cec */ |
| 2260 | cec_write(sd, 0x2c, 0x01); /* cec soft reset */ |
| 2261 | cec_write_clr_set(sd, 0x11, 0x01, 0); /* initially disable tx */ |
| 2262 | /* enabled irqs: */ |
| 2263 | /* tx: ready */ |
| 2264 | /* tx: arbitration lost */ |
| 2265 | /* tx: retry timeout */ |
| 2266 | /* rx: ready */ |
| 2267 | io_write_clr_set(sd, 0x96, 0x0f, 0x0f); |
| 2268 | cec_write(sd, 0x26, 0x01); /* enable rx */ |
| 2269 | } else if (state->cec_enabled_adap && !enable) { |
| 2270 | /* disable cec interrupts */ |
| 2271 | io_write_clr_set(sd, 0x96, 0x0f, 0x00); |
| 2272 | /* disable address mask 1-3 */ |
| 2273 | cec_write_clr_set(sd, 0x27, 0x70, 0x00); |
| 2274 | /* power down cec section */ |
| 2275 | cec_write_clr_set(sd, 0x2a, 0x01, 0x00); |
| 2276 | state->cec_valid_addrs = 0; |
| 2277 | } |
| 2278 | state->cec_enabled_adap = enable; |
| 2279 | return 0; |
| 2280 | } |
| 2281 | |
| 2282 | static int adv7842_cec_adap_log_addr(struct cec_adapter *adap, u8 addr) |
| 2283 | { |
Jose Abreu | 2e60ad1 | 2017-03-24 13:47:57 -0300 | [diff] [blame] | 2284 | struct adv7842_state *state = cec_get_drvdata(adap); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 2285 | struct v4l2_subdev *sd = &state->sd; |
| 2286 | unsigned int i, free_idx = ADV7842_MAX_ADDRS; |
| 2287 | |
| 2288 | if (!state->cec_enabled_adap) |
| 2289 | return addr == CEC_LOG_ADDR_INVALID ? 0 : -EIO; |
| 2290 | |
| 2291 | if (addr == CEC_LOG_ADDR_INVALID) { |
| 2292 | cec_write_clr_set(sd, 0x27, 0x70, 0); |
| 2293 | state->cec_valid_addrs = 0; |
| 2294 | return 0; |
| 2295 | } |
| 2296 | |
| 2297 | for (i = 0; i < ADV7842_MAX_ADDRS; i++) { |
| 2298 | bool is_valid = state->cec_valid_addrs & (1 << i); |
| 2299 | |
| 2300 | if (free_idx == ADV7842_MAX_ADDRS && !is_valid) |
| 2301 | free_idx = i; |
| 2302 | if (is_valid && state->cec_addr[i] == addr) |
| 2303 | return 0; |
| 2304 | } |
| 2305 | if (i == ADV7842_MAX_ADDRS) { |
| 2306 | i = free_idx; |
| 2307 | if (i == ADV7842_MAX_ADDRS) |
| 2308 | return -ENXIO; |
| 2309 | } |
| 2310 | state->cec_addr[i] = addr; |
| 2311 | state->cec_valid_addrs |= 1 << i; |
| 2312 | |
| 2313 | switch (i) { |
| 2314 | case 0: |
| 2315 | /* enable address mask 0 */ |
| 2316 | cec_write_clr_set(sd, 0x27, 0x10, 0x10); |
| 2317 | /* set address for mask 0 */ |
| 2318 | cec_write_clr_set(sd, 0x28, 0x0f, addr); |
| 2319 | break; |
| 2320 | case 1: |
| 2321 | /* enable address mask 1 */ |
| 2322 | cec_write_clr_set(sd, 0x27, 0x20, 0x20); |
| 2323 | /* set address for mask 1 */ |
| 2324 | cec_write_clr_set(sd, 0x28, 0xf0, addr << 4); |
| 2325 | break; |
| 2326 | case 2: |
| 2327 | /* enable address mask 2 */ |
| 2328 | cec_write_clr_set(sd, 0x27, 0x40, 0x40); |
| 2329 | /* set address for mask 1 */ |
| 2330 | cec_write_clr_set(sd, 0x29, 0x0f, addr); |
| 2331 | break; |
| 2332 | } |
| 2333 | return 0; |
| 2334 | } |
| 2335 | |
| 2336 | static int adv7842_cec_adap_transmit(struct cec_adapter *adap, u8 attempts, |
| 2337 | u32 signal_free_time, struct cec_msg *msg) |
| 2338 | { |
Jose Abreu | 2e60ad1 | 2017-03-24 13:47:57 -0300 | [diff] [blame] | 2339 | struct adv7842_state *state = cec_get_drvdata(adap); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 2340 | struct v4l2_subdev *sd = &state->sd; |
| 2341 | u8 len = msg->len; |
| 2342 | unsigned int i; |
| 2343 | |
| 2344 | /* |
| 2345 | * The number of retries is the number of attempts - 1, but retry |
| 2346 | * at least once. It's not clear if a value of 0 is allowed, so |
| 2347 | * let's do at least one retry. |
| 2348 | */ |
| 2349 | cec_write_clr_set(sd, 0x12, 0x70, max(1, attempts - 1) << 4); |
| 2350 | |
| 2351 | if (len > 16) { |
| 2352 | v4l2_err(sd, "%s: len exceeded 16 (%d)\n", __func__, len); |
| 2353 | return -EINVAL; |
| 2354 | } |
| 2355 | |
| 2356 | /* write data */ |
| 2357 | for (i = 0; i < len; i++) |
| 2358 | cec_write(sd, i, msg->msg[i]); |
| 2359 | |
| 2360 | /* set length (data + header) */ |
| 2361 | cec_write(sd, 0x10, len); |
| 2362 | /* start transmit, enable tx */ |
| 2363 | cec_write(sd, 0x11, 0x01); |
| 2364 | return 0; |
| 2365 | } |
| 2366 | |
| 2367 | static const struct cec_adap_ops adv7842_cec_adap_ops = { |
| 2368 | .adap_enable = adv7842_cec_adap_enable, |
| 2369 | .adap_log_addr = adv7842_cec_adap_log_addr, |
| 2370 | .adap_transmit = adv7842_cec_adap_transmit, |
| 2371 | }; |
| 2372 | #endif |
| 2373 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2374 | static int adv7842_isr(struct v4l2_subdev *sd, u32 status, bool *handled) |
| 2375 | { |
| 2376 | struct adv7842_state *state = to_state(sd); |
| 2377 | u8 fmt_change_cp, fmt_change_digital, fmt_change_sdp; |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2378 | u8 irq_status[6]; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2379 | |
Martin Bugge | c9f1f27 | 2013-12-10 11:14:26 -0300 | [diff] [blame] | 2380 | adv7842_irq_enable(sd, false); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2381 | |
| 2382 | /* read status */ |
| 2383 | irq_status[0] = io_read(sd, 0x43); |
| 2384 | irq_status[1] = io_read(sd, 0x57); |
| 2385 | irq_status[2] = io_read(sd, 0x70); |
| 2386 | irq_status[3] = io_read(sd, 0x75); |
| 2387 | irq_status[4] = io_read(sd, 0x9d); |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2388 | irq_status[5] = io_read(sd, 0x66); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2389 | |
| 2390 | /* and clear */ |
| 2391 | if (irq_status[0]) |
| 2392 | io_write(sd, 0x44, irq_status[0]); |
| 2393 | if (irq_status[1]) |
| 2394 | io_write(sd, 0x58, irq_status[1]); |
| 2395 | if (irq_status[2]) |
| 2396 | io_write(sd, 0x71, irq_status[2]); |
| 2397 | if (irq_status[3]) |
| 2398 | io_write(sd, 0x76, irq_status[3]); |
| 2399 | if (irq_status[4]) |
| 2400 | io_write(sd, 0x9e, irq_status[4]); |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2401 | if (irq_status[5]) |
| 2402 | io_write(sd, 0x67, irq_status[5]); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2403 | |
Martin Bugge | c9f1f27 | 2013-12-10 11:14:26 -0300 | [diff] [blame] | 2404 | adv7842_irq_enable(sd, true); |
| 2405 | |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2406 | v4l2_dbg(1, debug, sd, "%s: irq %x, %x, %x, %x, %x, %x\n", __func__, |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2407 | irq_status[0], irq_status[1], irq_status[2], |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2408 | irq_status[3], irq_status[4], irq_status[5]); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2409 | |
| 2410 | /* format change CP */ |
| 2411 | fmt_change_cp = irq_status[0] & 0x9c; |
| 2412 | |
| 2413 | /* format change SDP */ |
| 2414 | if (state->mode == ADV7842_MODE_SDP) |
| 2415 | fmt_change_sdp = (irq_status[1] & 0x30) | (irq_status[4] & 0x09); |
| 2416 | else |
| 2417 | fmt_change_sdp = 0; |
| 2418 | |
| 2419 | /* digital format CP */ |
| 2420 | if (is_digital_input(sd)) |
| 2421 | fmt_change_digital = irq_status[3] & 0x03; |
| 2422 | else |
| 2423 | fmt_change_digital = 0; |
| 2424 | |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2425 | /* format change */ |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2426 | if (fmt_change_cp || fmt_change_digital || fmt_change_sdp) { |
| 2427 | v4l2_dbg(1, debug, sd, |
| 2428 | "%s: fmt_change_cp = 0x%x, fmt_change_digital = 0x%x, fmt_change_sdp = 0x%x\n", |
| 2429 | __func__, fmt_change_cp, fmt_change_digital, |
| 2430 | fmt_change_sdp); |
Lars-Peter Clausen | 2cf4090 | 2015-06-24 13:50:31 -0300 | [diff] [blame] | 2431 | v4l2_subdev_notify_event(sd, &adv7842_ev_fmt); |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2432 | if (handled) |
| 2433 | *handled = true; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2434 | } |
| 2435 | |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2436 | /* HDMI/DVI mode */ |
| 2437 | if (irq_status[5] & 0x08) { |
| 2438 | v4l2_dbg(1, debug, sd, "%s: irq %s mode\n", __func__, |
| 2439 | (io_read(sd, 0x65) & 0x08) ? "HDMI" : "DVI"); |
Martin Bugge | 5046f26 | 2014-03-19 06:43:43 -0300 | [diff] [blame] | 2440 | set_rgb_quantization_range(sd); |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2441 | if (handled) |
| 2442 | *handled = true; |
| 2443 | } |
| 2444 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 2445 | #if IS_ENABLED(CONFIG_VIDEO_ADV7842_CEC) |
| 2446 | /* cec */ |
| 2447 | adv7842_cec_isr(sd, handled); |
| 2448 | #endif |
| 2449 | |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2450 | /* tx 5v detect */ |
| 2451 | if (irq_status[2] & 0x3) { |
| 2452 | v4l2_dbg(1, debug, sd, "%s: irq tx_5v\n", __func__); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2453 | adv7842_s_detect_tx_5v_ctrl(sd); |
Martin Bugge | 019aa8b | 2013-12-10 12:01:59 -0300 | [diff] [blame] | 2454 | if (handled) |
| 2455 | *handled = true; |
| 2456 | } |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2457 | return 0; |
| 2458 | } |
| 2459 | |
Hans Verkuil | b09dfac | 2014-03-04 08:05:19 -0300 | [diff] [blame] | 2460 | static int adv7842_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid) |
Martin Bugge | 245b2b6 | 2013-12-05 12:14:02 -0300 | [diff] [blame] | 2461 | { |
| 2462 | struct adv7842_state *state = to_state(sd); |
| 2463 | u8 *data = NULL; |
| 2464 | |
Hans Verkuil | c909e5b | 2014-11-07 09:34:55 -0300 | [diff] [blame] | 2465 | memset(edid->reserved, 0, sizeof(edid->reserved)); |
Martin Bugge | 245b2b6 | 2013-12-05 12:14:02 -0300 | [diff] [blame] | 2466 | |
| 2467 | switch (edid->pad) { |
| 2468 | case ADV7842_EDID_PORT_A: |
| 2469 | case ADV7842_EDID_PORT_B: |
| 2470 | if (state->hdmi_edid.present & (0x04 << edid->pad)) |
| 2471 | data = state->hdmi_edid.edid; |
| 2472 | break; |
| 2473 | case ADV7842_EDID_PORT_VGA: |
| 2474 | if (state->vga_edid.present) |
| 2475 | data = state->vga_edid.edid; |
| 2476 | break; |
| 2477 | default: |
| 2478 | return -EINVAL; |
| 2479 | } |
Hans Verkuil | c909e5b | 2014-11-07 09:34:55 -0300 | [diff] [blame] | 2480 | |
| 2481 | if (edid->start_block == 0 && edid->blocks == 0) { |
| 2482 | edid->blocks = data ? 2 : 0; |
| 2483 | return 0; |
| 2484 | } |
| 2485 | |
Martin Bugge | 245b2b6 | 2013-12-05 12:14:02 -0300 | [diff] [blame] | 2486 | if (!data) |
| 2487 | return -ENODATA; |
| 2488 | |
Hans Verkuil | c909e5b | 2014-11-07 09:34:55 -0300 | [diff] [blame] | 2489 | if (edid->start_block >= 2) |
| 2490 | return -EINVAL; |
| 2491 | |
| 2492 | if (edid->start_block + edid->blocks > 2) |
| 2493 | edid->blocks = 2 - edid->start_block; |
| 2494 | |
| 2495 | memcpy(edid->edid, data + edid->start_block * 128, edid->blocks * 128); |
| 2496 | |
Martin Bugge | 245b2b6 | 2013-12-05 12:14:02 -0300 | [diff] [blame] | 2497 | return 0; |
| 2498 | } |
| 2499 | |
Hans Verkuil | b09dfac | 2014-03-04 08:05:19 -0300 | [diff] [blame] | 2500 | static int adv7842_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *e) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2501 | { |
| 2502 | struct adv7842_state *state = to_state(sd); |
| 2503 | int err = 0; |
| 2504 | |
Hans Verkuil | c909e5b | 2014-11-07 09:34:55 -0300 | [diff] [blame] | 2505 | memset(e->reserved, 0, sizeof(e->reserved)); |
| 2506 | |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 2507 | if (e->pad > ADV7842_EDID_PORT_VGA) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2508 | return -EINVAL; |
| 2509 | if (e->start_block != 0) |
| 2510 | return -EINVAL; |
Hans Verkuil | c909e5b | 2014-11-07 09:34:55 -0300 | [diff] [blame] | 2511 | if (e->blocks > 2) { |
| 2512 | e->blocks = 2; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2513 | return -E2BIG; |
Hans Verkuil | c909e5b | 2014-11-07 09:34:55 -0300 | [diff] [blame] | 2514 | } |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2515 | |
| 2516 | /* todo, per edid */ |
| 2517 | state->aspect_ratio = v4l2_calc_aspect_ratio(e->edid[0x15], |
| 2518 | e->edid[0x16]); |
| 2519 | |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 2520 | switch (e->pad) { |
| 2521 | case ADV7842_EDID_PORT_VGA: |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2522 | memset(&state->vga_edid.edid, 0, 256); |
| 2523 | state->vga_edid.present = e->blocks ? 0x1 : 0x0; |
| 2524 | memcpy(&state->vga_edid.edid, e->edid, 128 * e->blocks); |
| 2525 | err = edid_write_vga_segment(sd); |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 2526 | break; |
| 2527 | case ADV7842_EDID_PORT_A: |
| 2528 | case ADV7842_EDID_PORT_B: |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2529 | memset(&state->hdmi_edid.edid, 0, 256); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 2530 | if (e->blocks) { |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 2531 | state->hdmi_edid.present |= 0x04 << e->pad; |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 2532 | } else { |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 2533 | state->hdmi_edid.present &= ~(0x04 << e->pad); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 2534 | adv7842_s_detect_tx_5v_ctrl(sd); |
| 2535 | } |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 2536 | memcpy(&state->hdmi_edid.edid, e->edid, 128 * e->blocks); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2537 | err = edid_write_hdmi_segment(sd, e->pad); |
Mats Randgaard | 7de6fab | 2013-12-10 11:24:35 -0300 | [diff] [blame] | 2538 | break; |
| 2539 | default: |
| 2540 | return -EINVAL; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2541 | } |
| 2542 | if (err < 0) |
| 2543 | v4l2_err(sd, "error %d writing edid on port %d\n", err, e->pad); |
| 2544 | return err; |
| 2545 | } |
| 2546 | |
Martin Bugge | 09f90c5 | 2014-12-19 09:14:23 -0300 | [diff] [blame] | 2547 | struct adv7842_cfg_read_infoframe { |
| 2548 | const char *desc; |
| 2549 | u8 present_mask; |
| 2550 | u8 head_addr; |
| 2551 | u8 payload_addr; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2552 | }; |
| 2553 | |
Martin Bugge | 09f90c5 | 2014-12-19 09:14:23 -0300 | [diff] [blame] | 2554 | static void log_infoframe(struct v4l2_subdev *sd, struct adv7842_cfg_read_infoframe *cri) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2555 | { |
| 2556 | int i; |
Hans Verkuil | 28a769f | 2015-06-07 07:32:31 -0300 | [diff] [blame] | 2557 | u8 buffer[32]; |
Martin Bugge | 09f90c5 | 2014-12-19 09:14:23 -0300 | [diff] [blame] | 2558 | union hdmi_infoframe frame; |
| 2559 | u8 len; |
| 2560 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 2561 | struct device *dev = &client->dev; |
| 2562 | |
| 2563 | if (!(io_read(sd, 0x60) & cri->present_mask)) { |
| 2564 | v4l2_info(sd, "%s infoframe not received\n", cri->desc); |
| 2565 | return; |
| 2566 | } |
| 2567 | |
| 2568 | for (i = 0; i < 3; i++) |
| 2569 | buffer[i] = infoframe_read(sd, cri->head_addr + i); |
| 2570 | |
| 2571 | len = buffer[2] + 1; |
| 2572 | |
| 2573 | if (len + 3 > sizeof(buffer)) { |
| 2574 | v4l2_err(sd, "%s: invalid %s infoframe length %d\n", __func__, cri->desc, len); |
| 2575 | return; |
| 2576 | } |
| 2577 | |
| 2578 | for (i = 0; i < len; i++) |
| 2579 | buffer[i + 3] = infoframe_read(sd, cri->payload_addr + i); |
| 2580 | |
| 2581 | if (hdmi_infoframe_unpack(&frame, buffer) < 0) { |
| 2582 | v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, cri->desc); |
| 2583 | return; |
| 2584 | } |
| 2585 | |
| 2586 | hdmi_infoframe_log(KERN_INFO, dev, &frame); |
| 2587 | } |
| 2588 | |
| 2589 | static void adv7842_log_infoframes(struct v4l2_subdev *sd) |
| 2590 | { |
| 2591 | int i; |
| 2592 | struct adv7842_cfg_read_infoframe cri[] = { |
| 2593 | { "AVI", 0x01, 0xe0, 0x00 }, |
| 2594 | { "Audio", 0x02, 0xe3, 0x1c }, |
| 2595 | { "SDP", 0x04, 0xe6, 0x2a }, |
| 2596 | { "Vendor", 0x10, 0xec, 0x54 } |
| 2597 | }; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2598 | |
| 2599 | if (!(hdmi_read(sd, 0x05) & 0x80)) { |
Martin Bugge | 09f90c5 | 2014-12-19 09:14:23 -0300 | [diff] [blame] | 2600 | v4l2_info(sd, "receive DVI-D signal, no infoframes\n"); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2601 | return; |
| 2602 | } |
| 2603 | |
Martin Bugge | 09f90c5 | 2014-12-19 09:14:23 -0300 | [diff] [blame] | 2604 | for (i = 0; i < ARRAY_SIZE(cri); i++) |
| 2605 | log_infoframe(sd, &cri[i]); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2606 | } |
| 2607 | |
Mauro Carvalho Chehab | 60eb957 | 2016-06-24 12:17:27 -0300 | [diff] [blame] | 2608 | #if 0 |
| 2609 | /* Let's keep it here for now, as it could be useful for debug */ |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2610 | static const char * const prim_mode_txt[] = { |
| 2611 | "SDP", |
| 2612 | "Component", |
| 2613 | "Graphics", |
| 2614 | "Reserved", |
| 2615 | "CVBS & HDMI AUDIO", |
| 2616 | "HDMI-Comp", |
| 2617 | "HDMI-GR", |
| 2618 | "Reserved", |
| 2619 | "Reserved", |
| 2620 | "Reserved", |
| 2621 | "Reserved", |
| 2622 | "Reserved", |
| 2623 | "Reserved", |
| 2624 | "Reserved", |
| 2625 | "Reserved", |
| 2626 | "Reserved", |
| 2627 | }; |
Mauro Carvalho Chehab | 60eb957 | 2016-06-24 12:17:27 -0300 | [diff] [blame] | 2628 | #endif |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2629 | |
| 2630 | static int adv7842_sdp_log_status(struct v4l2_subdev *sd) |
| 2631 | { |
| 2632 | /* SDP (Standard definition processor) block */ |
Hans Verkuil | 28a769f | 2015-06-07 07:32:31 -0300 | [diff] [blame] | 2633 | u8 sdp_signal_detected = sdp_read(sd, 0x5A) & 0x01; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2634 | |
| 2635 | v4l2_info(sd, "Chip powered %s\n", no_power(sd) ? "off" : "on"); |
| 2636 | v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x\n", |
| 2637 | io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f); |
| 2638 | |
| 2639 | v4l2_info(sd, "SDP: free run: %s\n", |
| 2640 | (sdp_read(sd, 0x56) & 0x01) ? "on" : "off"); |
| 2641 | v4l2_info(sd, "SDP: %s\n", sdp_signal_detected ? |
| 2642 | "valid SD/PR signal detected" : "invalid/no signal"); |
| 2643 | if (sdp_signal_detected) { |
| 2644 | static const char * const sdp_std_txt[] = { |
| 2645 | "NTSC-M/J", |
| 2646 | "1?", |
| 2647 | "NTSC-443", |
| 2648 | "60HzSECAM", |
| 2649 | "PAL-M", |
| 2650 | "5?", |
| 2651 | "PAL-60", |
| 2652 | "7?", "8?", "9?", "a?", "b?", |
| 2653 | "PAL-CombN", |
| 2654 | "d?", |
| 2655 | "PAL-BGHID", |
| 2656 | "SECAM" |
| 2657 | }; |
| 2658 | v4l2_info(sd, "SDP: standard %s\n", |
| 2659 | sdp_std_txt[sdp_read(sd, 0x52) & 0x0f]); |
| 2660 | v4l2_info(sd, "SDP: %s\n", |
| 2661 | (sdp_read(sd, 0x59) & 0x08) ? "50Hz" : "60Hz"); |
| 2662 | v4l2_info(sd, "SDP: %s\n", |
| 2663 | (sdp_read(sd, 0x57) & 0x08) ? "Interlaced" : "Progressive"); |
| 2664 | v4l2_info(sd, "SDP: deinterlacer %s\n", |
| 2665 | (sdp_read(sd, 0x12) & 0x08) ? "enabled" : "disabled"); |
| 2666 | v4l2_info(sd, "SDP: csc %s mode\n", |
| 2667 | (sdp_io_read(sd, 0xe0) & 0x40) ? "auto" : "manual"); |
| 2668 | } |
| 2669 | return 0; |
| 2670 | } |
| 2671 | |
| 2672 | static int adv7842_cp_log_status(struct v4l2_subdev *sd) |
| 2673 | { |
| 2674 | /* CP block */ |
| 2675 | struct adv7842_state *state = to_state(sd); |
| 2676 | struct v4l2_dv_timings timings; |
Hans Verkuil | 28a769f | 2015-06-07 07:32:31 -0300 | [diff] [blame] | 2677 | u8 reg_io_0x02 = io_read(sd, 0x02); |
| 2678 | u8 reg_io_0x21 = io_read(sd, 0x21); |
| 2679 | u8 reg_rep_0x77 = rep_read(sd, 0x77); |
| 2680 | u8 reg_rep_0x7d = rep_read(sd, 0x7d); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2681 | bool audio_pll_locked = hdmi_read(sd, 0x04) & 0x01; |
| 2682 | bool audio_sample_packet_detect = hdmi_read(sd, 0x18) & 0x01; |
| 2683 | bool audio_mute = io_read(sd, 0x65) & 0x40; |
| 2684 | |
| 2685 | static const char * const csc_coeff_sel_rb[16] = { |
| 2686 | "bypassed", "YPbPr601 -> RGB", "reserved", "YPbPr709 -> RGB", |
| 2687 | "reserved", "RGB -> YPbPr601", "reserved", "RGB -> YPbPr709", |
| 2688 | "reserved", "YPbPr709 -> YPbPr601", "YPbPr601 -> YPbPr709", |
| 2689 | "reserved", "reserved", "reserved", "reserved", "manual" |
| 2690 | }; |
| 2691 | static const char * const input_color_space_txt[16] = { |
| 2692 | "RGB limited range (16-235)", "RGB full range (0-255)", |
| 2693 | "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)", |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 2694 | "xvYCC Bt.601", "xvYCC Bt.709", |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2695 | "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)", |
| 2696 | "invalid", "invalid", "invalid", "invalid", "invalid", |
| 2697 | "invalid", "invalid", "automatic" |
| 2698 | }; |
| 2699 | static const char * const rgb_quantization_range_txt[] = { |
| 2700 | "Automatic", |
| 2701 | "RGB limited range (16-235)", |
| 2702 | "RGB full range (0-255)", |
| 2703 | }; |
| 2704 | static const char * const deep_color_mode_txt[4] = { |
| 2705 | "8-bits per channel", |
| 2706 | "10-bits per channel", |
| 2707 | "12-bits per channel", |
| 2708 | "16-bits per channel (not supported)" |
| 2709 | }; |
| 2710 | |
| 2711 | v4l2_info(sd, "-----Chip status-----\n"); |
| 2712 | v4l2_info(sd, "Chip power: %s\n", no_power(sd) ? "off" : "on"); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2713 | v4l2_info(sd, "HDMI/DVI-D port selected: %s\n", |
| 2714 | state->hdmi_port_a ? "A" : "B"); |
| 2715 | v4l2_info(sd, "EDID A %s, B %s\n", |
| 2716 | ((reg_rep_0x7d & 0x04) && (reg_rep_0x77 & 0x04)) ? |
| 2717 | "enabled" : "disabled", |
| 2718 | ((reg_rep_0x7d & 0x08) && (reg_rep_0x77 & 0x08)) ? |
| 2719 | "enabled" : "disabled"); |
| 2720 | v4l2_info(sd, "HPD A %s, B %s\n", |
| 2721 | reg_io_0x21 & 0x02 ? "enabled" : "disabled", |
| 2722 | reg_io_0x21 & 0x01 ? "enabled" : "disabled"); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 2723 | v4l2_info(sd, "CEC: %s\n", state->cec_enabled_adap ? |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2724 | "enabled" : "disabled"); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 2725 | if (state->cec_enabled_adap) { |
| 2726 | int i; |
| 2727 | |
| 2728 | for (i = 0; i < ADV7842_MAX_ADDRS; i++) { |
| 2729 | bool is_valid = state->cec_valid_addrs & (1 << i); |
| 2730 | |
| 2731 | if (is_valid) |
| 2732 | v4l2_info(sd, "CEC Logical Address: 0x%x\n", |
| 2733 | state->cec_addr[i]); |
| 2734 | } |
| 2735 | } |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2736 | |
| 2737 | v4l2_info(sd, "-----Signal status-----\n"); |
| 2738 | if (state->hdmi_port_a) { |
| 2739 | v4l2_info(sd, "Cable detected (+5V power): %s\n", |
| 2740 | io_read(sd, 0x6f) & 0x02 ? "true" : "false"); |
| 2741 | v4l2_info(sd, "TMDS signal detected: %s\n", |
| 2742 | (io_read(sd, 0x6a) & 0x02) ? "true" : "false"); |
| 2743 | v4l2_info(sd, "TMDS signal locked: %s\n", |
| 2744 | (io_read(sd, 0x6a) & 0x20) ? "true" : "false"); |
| 2745 | } else { |
| 2746 | v4l2_info(sd, "Cable detected (+5V power):%s\n", |
| 2747 | io_read(sd, 0x6f) & 0x01 ? "true" : "false"); |
| 2748 | v4l2_info(sd, "TMDS signal detected: %s\n", |
| 2749 | (io_read(sd, 0x6a) & 0x01) ? "true" : "false"); |
| 2750 | v4l2_info(sd, "TMDS signal locked: %s\n", |
| 2751 | (io_read(sd, 0x6a) & 0x10) ? "true" : "false"); |
| 2752 | } |
| 2753 | v4l2_info(sd, "CP free run: %s\n", |
| 2754 | (!!(cp_read(sd, 0xff) & 0x10) ? "on" : "off")); |
| 2755 | v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x, v_freq = 0x%x\n", |
| 2756 | io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f, |
| 2757 | (io_read(sd, 0x01) & 0x70) >> 4); |
| 2758 | |
| 2759 | v4l2_info(sd, "-----Video Timings-----\n"); |
| 2760 | if (no_cp_signal(sd)) { |
| 2761 | v4l2_info(sd, "STDI: not locked\n"); |
| 2762 | } else { |
Hans Verkuil | 28a769f | 2015-06-07 07:32:31 -0300 | [diff] [blame] | 2763 | u32 bl = ((cp_read(sd, 0xb1) & 0x3f) << 8) | cp_read(sd, 0xb2); |
| 2764 | u32 lcf = ((cp_read(sd, 0xb3) & 0x7) << 8) | cp_read(sd, 0xb4); |
| 2765 | u32 lcvs = cp_read(sd, 0xb3) >> 3; |
| 2766 | u32 fcl = ((cp_read(sd, 0xb8) & 0x1f) << 8) | cp_read(sd, 0xb9); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2767 | char hs_pol = ((cp_read(sd, 0xb5) & 0x10) ? |
| 2768 | ((cp_read(sd, 0xb5) & 0x08) ? '+' : '-') : 'x'); |
| 2769 | char vs_pol = ((cp_read(sd, 0xb5) & 0x40) ? |
| 2770 | ((cp_read(sd, 0xb5) & 0x20) ? '+' : '-') : 'x'); |
| 2771 | v4l2_info(sd, |
| 2772 | "STDI: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, fcl = %d, %s, %chsync, %cvsync\n", |
| 2773 | lcf, bl, lcvs, fcl, |
| 2774 | (cp_read(sd, 0xb1) & 0x40) ? |
| 2775 | "interlaced" : "progressive", |
| 2776 | hs_pol, vs_pol); |
| 2777 | } |
| 2778 | if (adv7842_query_dv_timings(sd, &timings)) |
| 2779 | v4l2_info(sd, "No video detected\n"); |
| 2780 | else |
| 2781 | v4l2_print_dv_timings(sd->name, "Detected format: ", |
| 2782 | &timings, true); |
| 2783 | v4l2_print_dv_timings(sd->name, "Configured format: ", |
| 2784 | &state->timings, true); |
| 2785 | |
| 2786 | if (no_cp_signal(sd)) |
| 2787 | return 0; |
| 2788 | |
| 2789 | v4l2_info(sd, "-----Color space-----\n"); |
| 2790 | v4l2_info(sd, "RGB quantization range ctrl: %s\n", |
| 2791 | rgb_quantization_range_txt[state->rgb_quantization_range]); |
| 2792 | v4l2_info(sd, "Input color space: %s\n", |
| 2793 | input_color_space_txt[reg_io_0x02 >> 4]); |
Hans Verkuil | fd74246 | 2016-06-28 11:43:01 -0300 | [diff] [blame] | 2794 | v4l2_info(sd, "Output color space: %s %s, alt-gamma %s\n", |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2795 | (reg_io_0x02 & 0x02) ? "RGB" : "YCbCr", |
Hans Verkuil | fd74246 | 2016-06-28 11:43:01 -0300 | [diff] [blame] | 2796 | (((reg_io_0x02 >> 2) & 0x01) ^ (reg_io_0x02 & 0x01)) ? |
| 2797 | "(16-235)" : "(0-255)", |
| 2798 | (reg_io_0x02 & 0x08) ? "enabled" : "disabled"); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2799 | v4l2_info(sd, "Color space conversion: %s\n", |
| 2800 | csc_coeff_sel_rb[cp_read(sd, 0xf4) >> 4]); |
| 2801 | |
| 2802 | if (!is_digital_input(sd)) |
| 2803 | return 0; |
| 2804 | |
| 2805 | v4l2_info(sd, "-----%s status-----\n", is_hdmi(sd) ? "HDMI" : "DVI-D"); |
| 2806 | v4l2_info(sd, "HDCP encrypted content: %s\n", |
| 2807 | (hdmi_read(sd, 0x05) & 0x40) ? "true" : "false"); |
| 2808 | v4l2_info(sd, "HDCP keys read: %s%s\n", |
| 2809 | (hdmi_read(sd, 0x04) & 0x20) ? "yes" : "no", |
| 2810 | (hdmi_read(sd, 0x04) & 0x10) ? "ERROR" : ""); |
| 2811 | if (!is_hdmi(sd)) |
| 2812 | return 0; |
| 2813 | |
| 2814 | v4l2_info(sd, "Audio: pll %s, samples %s, %s\n", |
| 2815 | audio_pll_locked ? "locked" : "not locked", |
| 2816 | audio_sample_packet_detect ? "detected" : "not detected", |
| 2817 | audio_mute ? "muted" : "enabled"); |
| 2818 | if (audio_pll_locked && audio_sample_packet_detect) { |
| 2819 | v4l2_info(sd, "Audio format: %s\n", |
| 2820 | (hdmi_read(sd, 0x07) & 0x40) ? "multi-channel" : "stereo"); |
| 2821 | } |
| 2822 | v4l2_info(sd, "Audio CTS: %u\n", (hdmi_read(sd, 0x5b) << 12) + |
| 2823 | (hdmi_read(sd, 0x5c) << 8) + |
| 2824 | (hdmi_read(sd, 0x5d) & 0xf0)); |
| 2825 | v4l2_info(sd, "Audio N: %u\n", ((hdmi_read(sd, 0x5d) & 0x0f) << 16) + |
| 2826 | (hdmi_read(sd, 0x5e) << 8) + |
| 2827 | hdmi_read(sd, 0x5f)); |
| 2828 | v4l2_info(sd, "AV Mute: %s\n", |
| 2829 | (hdmi_read(sd, 0x04) & 0x40) ? "on" : "off"); |
| 2830 | v4l2_info(sd, "Deep color mode: %s\n", |
| 2831 | deep_color_mode_txt[hdmi_read(sd, 0x0b) >> 6]); |
| 2832 | |
Martin Bugge | 09f90c5 | 2014-12-19 09:14:23 -0300 | [diff] [blame] | 2833 | adv7842_log_infoframes(sd); |
| 2834 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2835 | return 0; |
| 2836 | } |
| 2837 | |
| 2838 | static int adv7842_log_status(struct v4l2_subdev *sd) |
| 2839 | { |
| 2840 | struct adv7842_state *state = to_state(sd); |
| 2841 | |
| 2842 | if (state->mode == ADV7842_MODE_SDP) |
| 2843 | return adv7842_sdp_log_status(sd); |
| 2844 | return adv7842_cp_log_status(sd); |
| 2845 | } |
| 2846 | |
| 2847 | static int adv7842_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) |
| 2848 | { |
| 2849 | struct adv7842_state *state = to_state(sd); |
| 2850 | |
| 2851 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
| 2852 | |
| 2853 | if (state->mode != ADV7842_MODE_SDP) |
| 2854 | return -ENODATA; |
| 2855 | |
| 2856 | if (!(sdp_read(sd, 0x5A) & 0x01)) { |
| 2857 | *std = 0; |
| 2858 | v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__); |
| 2859 | return 0; |
| 2860 | } |
| 2861 | |
| 2862 | switch (sdp_read(sd, 0x52) & 0x0f) { |
| 2863 | case 0: |
| 2864 | /* NTSC-M/J */ |
| 2865 | *std &= V4L2_STD_NTSC; |
| 2866 | break; |
| 2867 | case 2: |
| 2868 | /* NTSC-443 */ |
| 2869 | *std &= V4L2_STD_NTSC_443; |
| 2870 | break; |
| 2871 | case 3: |
| 2872 | /* 60HzSECAM */ |
| 2873 | *std &= V4L2_STD_SECAM; |
| 2874 | break; |
| 2875 | case 4: |
| 2876 | /* PAL-M */ |
| 2877 | *std &= V4L2_STD_PAL_M; |
| 2878 | break; |
| 2879 | case 6: |
| 2880 | /* PAL-60 */ |
| 2881 | *std &= V4L2_STD_PAL_60; |
| 2882 | break; |
| 2883 | case 0xc: |
| 2884 | /* PAL-CombN */ |
| 2885 | *std &= V4L2_STD_PAL_Nc; |
| 2886 | break; |
| 2887 | case 0xe: |
| 2888 | /* PAL-BGHID */ |
| 2889 | *std &= V4L2_STD_PAL; |
| 2890 | break; |
| 2891 | case 0xf: |
| 2892 | /* SECAM */ |
| 2893 | *std &= V4L2_STD_SECAM; |
| 2894 | break; |
| 2895 | default: |
| 2896 | *std &= V4L2_STD_ALL; |
| 2897 | break; |
| 2898 | } |
| 2899 | return 0; |
| 2900 | } |
| 2901 | |
Martin Bugge | 3c4da74 | 2013-12-05 11:52:39 -0300 | [diff] [blame] | 2902 | static void adv7842_s_sdp_io(struct v4l2_subdev *sd, struct adv7842_sdp_io_sync_adjustment *s) |
| 2903 | { |
| 2904 | if (s && s->adjust) { |
| 2905 | sdp_io_write(sd, 0x94, (s->hs_beg >> 8) & 0xf); |
| 2906 | sdp_io_write(sd, 0x95, s->hs_beg & 0xff); |
| 2907 | sdp_io_write(sd, 0x96, (s->hs_width >> 8) & 0xf); |
| 2908 | sdp_io_write(sd, 0x97, s->hs_width & 0xff); |
| 2909 | sdp_io_write(sd, 0x98, (s->de_beg >> 8) & 0xf); |
| 2910 | sdp_io_write(sd, 0x99, s->de_beg & 0xff); |
| 2911 | sdp_io_write(sd, 0x9a, (s->de_end >> 8) & 0xf); |
| 2912 | sdp_io_write(sd, 0x9b, s->de_end & 0xff); |
Martin Bugge | 15058aa | 2013-12-05 12:22:53 -0300 | [diff] [blame] | 2913 | sdp_io_write(sd, 0xa8, s->vs_beg_o); |
| 2914 | sdp_io_write(sd, 0xa9, s->vs_beg_e); |
| 2915 | sdp_io_write(sd, 0xaa, s->vs_end_o); |
| 2916 | sdp_io_write(sd, 0xab, s->vs_end_e); |
Martin Bugge | 3c4da74 | 2013-12-05 11:52:39 -0300 | [diff] [blame] | 2917 | sdp_io_write(sd, 0xac, s->de_v_beg_o); |
| 2918 | sdp_io_write(sd, 0xad, s->de_v_beg_e); |
| 2919 | sdp_io_write(sd, 0xae, s->de_v_end_o); |
| 2920 | sdp_io_write(sd, 0xaf, s->de_v_end_e); |
| 2921 | } else { |
| 2922 | /* set to default */ |
| 2923 | sdp_io_write(sd, 0x94, 0x00); |
| 2924 | sdp_io_write(sd, 0x95, 0x00); |
| 2925 | sdp_io_write(sd, 0x96, 0x00); |
| 2926 | sdp_io_write(sd, 0x97, 0x20); |
| 2927 | sdp_io_write(sd, 0x98, 0x00); |
| 2928 | sdp_io_write(sd, 0x99, 0x00); |
| 2929 | sdp_io_write(sd, 0x9a, 0x00); |
| 2930 | sdp_io_write(sd, 0x9b, 0x00); |
Martin Bugge | 15058aa | 2013-12-05 12:22:53 -0300 | [diff] [blame] | 2931 | sdp_io_write(sd, 0xa8, 0x04); |
| 2932 | sdp_io_write(sd, 0xa9, 0x04); |
| 2933 | sdp_io_write(sd, 0xaa, 0x04); |
| 2934 | sdp_io_write(sd, 0xab, 0x04); |
Martin Bugge | 3c4da74 | 2013-12-05 11:52:39 -0300 | [diff] [blame] | 2935 | sdp_io_write(sd, 0xac, 0x04); |
| 2936 | sdp_io_write(sd, 0xad, 0x04); |
| 2937 | sdp_io_write(sd, 0xae, 0x04); |
| 2938 | sdp_io_write(sd, 0xaf, 0x04); |
| 2939 | } |
| 2940 | } |
| 2941 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2942 | static int adv7842_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) |
| 2943 | { |
| 2944 | struct adv7842_state *state = to_state(sd); |
Martin Bugge | 3c4da74 | 2013-12-05 11:52:39 -0300 | [diff] [blame] | 2945 | struct adv7842_platform_data *pdata = &state->pdata; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2946 | |
| 2947 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
| 2948 | |
| 2949 | if (state->mode != ADV7842_MODE_SDP) |
| 2950 | return -ENODATA; |
| 2951 | |
Martin Bugge | 3c4da74 | 2013-12-05 11:52:39 -0300 | [diff] [blame] | 2952 | if (norm & V4L2_STD_625_50) |
| 2953 | adv7842_s_sdp_io(sd, &pdata->sdp_io_sync_625); |
| 2954 | else if (norm & V4L2_STD_525_60) |
| 2955 | adv7842_s_sdp_io(sd, &pdata->sdp_io_sync_525); |
| 2956 | else |
| 2957 | adv7842_s_sdp_io(sd, NULL); |
| 2958 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2959 | if (norm & V4L2_STD_ALL) { |
| 2960 | state->norm = norm; |
| 2961 | return 0; |
| 2962 | } |
| 2963 | return -EINVAL; |
| 2964 | } |
| 2965 | |
| 2966 | static int adv7842_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm) |
| 2967 | { |
| 2968 | struct adv7842_state *state = to_state(sd); |
| 2969 | |
| 2970 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
| 2971 | |
| 2972 | if (state->mode != ADV7842_MODE_SDP) |
| 2973 | return -ENODATA; |
| 2974 | |
| 2975 | *norm = state->norm; |
| 2976 | return 0; |
| 2977 | } |
| 2978 | |
| 2979 | /* ----------------------------------------------------------------------- */ |
| 2980 | |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 2981 | static int adv7842_core_init(struct v4l2_subdev *sd) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2982 | { |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 2983 | struct adv7842_state *state = to_state(sd); |
| 2984 | struct adv7842_platform_data *pdata = &state->pdata; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2985 | hdmi_write(sd, 0x48, |
| 2986 | (pdata->disable_pwrdnb ? 0x80 : 0) | |
| 2987 | (pdata->disable_cable_det_rst ? 0x40 : 0)); |
| 2988 | |
| 2989 | disable_input(sd); |
| 2990 | |
Martin Bugge | 2ff0f16 | 2014-03-19 06:43:45 -0300 | [diff] [blame] | 2991 | /* |
| 2992 | * Disable I2C access to internal EDID ram from HDMI DDC ports |
| 2993 | * Disable auto edid enable when leaving powerdown mode |
| 2994 | */ |
| 2995 | rep_write_and_or(sd, 0x77, 0xd3, 0x20); |
| 2996 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 2997 | /* power */ |
| 2998 | io_write(sd, 0x0c, 0x42); /* Power up part and power down VDP */ |
| 2999 | io_write(sd, 0x15, 0x80); /* Power up pads */ |
| 3000 | |
| 3001 | /* video format */ |
Hans Verkuil | fd74246 | 2016-06-28 11:43:01 -0300 | [diff] [blame] | 3002 | io_write(sd, 0x02, 0xf0 | pdata->alt_gamma << 3); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3003 | io_write_and_or(sd, 0x05, 0xf0, pdata->blank_data << 3 | |
| 3004 | pdata->insert_av_codes << 2 | |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 3005 | pdata->replicate_av_codes << 1); |
| 3006 | adv7842_setup_format(state); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3007 | |
Mats Randgaard | 5b64b20 | 2013-12-05 12:08:45 -0300 | [diff] [blame] | 3008 | /* HDMI audio */ |
| 3009 | hdmi_write_and_or(sd, 0x1a, 0xf1, 0x08); /* Wait 1 s before unmute */ |
| 3010 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3011 | /* Drive strength */ |
Hans Verkuil | 7f95c90 | 2013-12-20 06:15:13 -0300 | [diff] [blame] | 3012 | io_write_and_or(sd, 0x14, 0xc0, |
| 3013 | pdata->dr_str_data << 4 | |
| 3014 | pdata->dr_str_clk << 2 | |
| 3015 | pdata->dr_str_sync); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3016 | |
| 3017 | /* HDMI free run */ |
Martin Bugge | f0ec174 | 2013-12-20 06:02:24 -0300 | [diff] [blame] | 3018 | cp_write_and_or(sd, 0xba, 0xfc, pdata->hdmi_free_run_enable | |
| 3019 | (pdata->hdmi_free_run_mode << 1)); |
| 3020 | |
| 3021 | /* SPD free run */ |
| 3022 | sdp_write_and_or(sd, 0xdd, 0xf0, pdata->sdp_free_run_force | |
| 3023 | (pdata->sdp_free_run_cbar_en << 1) | |
| 3024 | (pdata->sdp_free_run_man_col_en << 2) | |
Martin Bugge | 57f0547 | 2014-01-29 06:50:20 -0300 | [diff] [blame] | 3025 | (pdata->sdp_free_run_auto << 3)); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3026 | |
| 3027 | /* TODO from platform data */ |
| 3028 | cp_write(sd, 0x69, 0x14); /* Enable CP CSC */ |
| 3029 | io_write(sd, 0x06, 0xa6); /* positive VS and HS and DE */ |
| 3030 | cp_write(sd, 0xf3, 0xdc); /* Low threshold to enter/exit free run mode */ |
| 3031 | afe_write(sd, 0xb5, 0x01); /* Setting MCLK to 256Fs */ |
| 3032 | |
| 3033 | afe_write(sd, 0x02, pdata->ain_sel); /* Select analog input muxing mode */ |
| 3034 | io_write_and_or(sd, 0x30, ~(1 << 4), pdata->output_bus_lsb_to_msb << 4); |
| 3035 | |
| 3036 | sdp_csc_coeff(sd, &pdata->sdp_csc_coeff); |
| 3037 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3038 | /* todo, improve settings for sdram */ |
| 3039 | if (pdata->sd_ram_size >= 128) { |
| 3040 | sdp_write(sd, 0x12, 0x0d); /* Frame TBC,3D comb enabled */ |
| 3041 | if (pdata->sd_ram_ddr) { |
| 3042 | /* SDP setup for the AD eval board */ |
| 3043 | sdp_io_write(sd, 0x6f, 0x00); /* DDR mode */ |
| 3044 | sdp_io_write(sd, 0x75, 0x0a); /* 128 MB memory size */ |
| 3045 | sdp_io_write(sd, 0x7a, 0xa5); /* Timing Adjustment */ |
| 3046 | sdp_io_write(sd, 0x7b, 0x8f); /* Timing Adjustment */ |
| 3047 | sdp_io_write(sd, 0x60, 0x01); /* SDRAM reset */ |
| 3048 | } else { |
| 3049 | sdp_io_write(sd, 0x75, 0x0a); /* 64 MB memory size ?*/ |
| 3050 | sdp_io_write(sd, 0x74, 0x00); /* must be zero for sdr sdram */ |
| 3051 | sdp_io_write(sd, 0x79, 0x33); /* CAS latency to 3, |
| 3052 | depends on memory */ |
| 3053 | sdp_io_write(sd, 0x6f, 0x01); /* SDR mode */ |
| 3054 | sdp_io_write(sd, 0x7a, 0xa5); /* Timing Adjustment */ |
| 3055 | sdp_io_write(sd, 0x7b, 0x8f); /* Timing Adjustment */ |
| 3056 | sdp_io_write(sd, 0x60, 0x01); /* SDRAM reset */ |
| 3057 | } |
| 3058 | } else { |
| 3059 | /* |
| 3060 | * Manual UG-214, rev 0 is bit confusing on this bit |
| 3061 | * but a '1' disables any signal if the Ram is active. |
| 3062 | */ |
| 3063 | sdp_io_write(sd, 0x29, 0x10); /* Tristate memory interface */ |
| 3064 | } |
| 3065 | |
| 3066 | select_input(sd, pdata->vid_std_select); |
| 3067 | |
| 3068 | enable_input(sd); |
| 3069 | |
Martin Bugge | ce2d2b2 | 2014-01-24 10:50:06 -0300 | [diff] [blame] | 3070 | if (pdata->hpa_auto) { |
| 3071 | /* HPA auto, HPA 0.5s after Edid set and Cable detect */ |
| 3072 | hdmi_write(sd, 0x69, 0x5c); |
| 3073 | } else { |
| 3074 | /* HPA manual */ |
| 3075 | hdmi_write(sd, 0x69, 0xa3); |
| 3076 | /* HPA disable on port A and B */ |
| 3077 | io_write_and_or(sd, 0x20, 0xcf, 0x00); |
| 3078 | } |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3079 | |
| 3080 | /* LLC */ |
Hans Verkuil | fe808f3 | 2013-12-20 06:03:58 -0300 | [diff] [blame] | 3081 | io_write(sd, 0x19, 0x80 | pdata->llc_dll_phase); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3082 | io_write(sd, 0x33, 0x40); |
| 3083 | |
| 3084 | /* interrupts */ |
Martin Bugge | c9f1f27 | 2013-12-10 11:14:26 -0300 | [diff] [blame] | 3085 | io_write(sd, 0x40, 0xf2); /* Configure INT1 */ |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3086 | |
| 3087 | adv7842_irq_enable(sd, true); |
| 3088 | |
| 3089 | return v4l2_ctrl_handler_setup(sd->ctrl_handler); |
| 3090 | } |
| 3091 | |
| 3092 | /* ----------------------------------------------------------------------- */ |
| 3093 | |
| 3094 | static int adv7842_ddr_ram_test(struct v4l2_subdev *sd) |
| 3095 | { |
| 3096 | /* |
| 3097 | * From ADV784x external Memory test.pdf |
| 3098 | * |
| 3099 | * Reset must just been performed before running test. |
| 3100 | * Recommended to reset after test. |
| 3101 | */ |
| 3102 | int i; |
| 3103 | int pass = 0; |
| 3104 | int fail = 0; |
| 3105 | int complete = 0; |
| 3106 | |
| 3107 | io_write(sd, 0x00, 0x01); /* Program SDP 4x1 */ |
| 3108 | io_write(sd, 0x01, 0x00); /* Program SDP mode */ |
| 3109 | afe_write(sd, 0x80, 0x92); /* SDP Recommeneded Write */ |
| 3110 | afe_write(sd, 0x9B, 0x01); /* SDP Recommeneded Write ADV7844ES1 */ |
| 3111 | afe_write(sd, 0x9C, 0x60); /* SDP Recommeneded Write ADV7844ES1 */ |
| 3112 | afe_write(sd, 0x9E, 0x02); /* SDP Recommeneded Write ADV7844ES1 */ |
| 3113 | afe_write(sd, 0xA0, 0x0B); /* SDP Recommeneded Write ADV7844ES1 */ |
| 3114 | afe_write(sd, 0xC3, 0x02); /* Memory BIST Initialisation */ |
| 3115 | io_write(sd, 0x0C, 0x40); /* Power up ADV7844 */ |
| 3116 | io_write(sd, 0x15, 0xBA); /* Enable outputs */ |
| 3117 | sdp_write(sd, 0x12, 0x00); /* Disable 3D comb, Frame TBC & 3DNR */ |
| 3118 | io_write(sd, 0xFF, 0x04); /* Reset memory controller */ |
| 3119 | |
| 3120 | mdelay(5); |
| 3121 | |
| 3122 | sdp_write(sd, 0x12, 0x00); /* Disable 3D Comb, Frame TBC & 3DNR */ |
| 3123 | sdp_io_write(sd, 0x2A, 0x01); /* Memory BIST Initialisation */ |
| 3124 | sdp_io_write(sd, 0x7c, 0x19); /* Memory BIST Initialisation */ |
| 3125 | sdp_io_write(sd, 0x80, 0x87); /* Memory BIST Initialisation */ |
| 3126 | sdp_io_write(sd, 0x81, 0x4a); /* Memory BIST Initialisation */ |
| 3127 | sdp_io_write(sd, 0x82, 0x2c); /* Memory BIST Initialisation */ |
| 3128 | sdp_io_write(sd, 0x83, 0x0e); /* Memory BIST Initialisation */ |
| 3129 | sdp_io_write(sd, 0x84, 0x94); /* Memory BIST Initialisation */ |
| 3130 | sdp_io_write(sd, 0x85, 0x62); /* Memory BIST Initialisation */ |
| 3131 | sdp_io_write(sd, 0x7d, 0x00); /* Memory BIST Initialisation */ |
| 3132 | sdp_io_write(sd, 0x7e, 0x1a); /* Memory BIST Initialisation */ |
| 3133 | |
| 3134 | mdelay(5); |
| 3135 | |
| 3136 | sdp_io_write(sd, 0xd9, 0xd5); /* Enable BIST Test */ |
| 3137 | sdp_write(sd, 0x12, 0x05); /* Enable FRAME TBC & 3D COMB */ |
| 3138 | |
| 3139 | mdelay(20); |
| 3140 | |
| 3141 | for (i = 0; i < 10; i++) { |
| 3142 | u8 result = sdp_io_read(sd, 0xdb); |
| 3143 | if (result & 0x10) { |
| 3144 | complete++; |
| 3145 | if (result & 0x20) |
| 3146 | fail++; |
| 3147 | else |
| 3148 | pass++; |
| 3149 | } |
| 3150 | mdelay(20); |
| 3151 | } |
| 3152 | |
| 3153 | v4l2_dbg(1, debug, sd, |
| 3154 | "Ram Test: completed %d of %d: pass %d, fail %d\n", |
| 3155 | complete, i, pass, fail); |
| 3156 | |
| 3157 | if (!complete || fail) |
| 3158 | return -EIO; |
| 3159 | return 0; |
| 3160 | } |
| 3161 | |
| 3162 | static void adv7842_rewrite_i2c_addresses(struct v4l2_subdev *sd, |
| 3163 | struct adv7842_platform_data *pdata) |
| 3164 | { |
| 3165 | io_write(sd, 0xf1, pdata->i2c_sdp << 1); |
| 3166 | io_write(sd, 0xf2, pdata->i2c_sdp_io << 1); |
| 3167 | io_write(sd, 0xf3, pdata->i2c_avlink << 1); |
| 3168 | io_write(sd, 0xf4, pdata->i2c_cec << 1); |
| 3169 | io_write(sd, 0xf5, pdata->i2c_infoframe << 1); |
| 3170 | |
| 3171 | io_write(sd, 0xf8, pdata->i2c_afe << 1); |
| 3172 | io_write(sd, 0xf9, pdata->i2c_repeater << 1); |
| 3173 | io_write(sd, 0xfa, pdata->i2c_edid << 1); |
| 3174 | io_write(sd, 0xfb, pdata->i2c_hdmi << 1); |
| 3175 | |
| 3176 | io_write(sd, 0xfd, pdata->i2c_cp << 1); |
| 3177 | io_write(sd, 0xfe, pdata->i2c_vdp << 1); |
| 3178 | } |
| 3179 | |
| 3180 | static int adv7842_command_ram_test(struct v4l2_subdev *sd) |
| 3181 | { |
| 3182 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 3183 | struct adv7842_state *state = to_state(sd); |
| 3184 | struct adv7842_platform_data *pdata = client->dev.platform_data; |
Martin Bugge | 1961b72 | 2013-12-05 12:18:14 -0300 | [diff] [blame] | 3185 | struct v4l2_dv_timings timings; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3186 | int ret = 0; |
| 3187 | |
| 3188 | if (!pdata) |
| 3189 | return -ENODEV; |
| 3190 | |
| 3191 | if (!pdata->sd_ram_size || !pdata->sd_ram_ddr) { |
| 3192 | v4l2_info(sd, "no sdram or no ddr sdram\n"); |
| 3193 | return -EINVAL; |
| 3194 | } |
| 3195 | |
| 3196 | main_reset(sd); |
| 3197 | |
| 3198 | adv7842_rewrite_i2c_addresses(sd, pdata); |
| 3199 | |
| 3200 | /* run ram test */ |
| 3201 | ret = adv7842_ddr_ram_test(sd); |
| 3202 | |
| 3203 | main_reset(sd); |
| 3204 | |
| 3205 | adv7842_rewrite_i2c_addresses(sd, pdata); |
| 3206 | |
| 3207 | /* and re-init chip and state */ |
Hans Verkuil | 69e9ba6 | 2013-12-20 05:44:27 -0300 | [diff] [blame] | 3208 | adv7842_core_init(sd); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3209 | |
| 3210 | disable_input(sd); |
| 3211 | |
| 3212 | select_input(sd, state->vid_std_select); |
| 3213 | |
| 3214 | enable_input(sd); |
| 3215 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3216 | edid_write_vga_segment(sd); |
Martin Bugge | fc2e991 | 2013-12-05 12:09:51 -0300 | [diff] [blame] | 3217 | edid_write_hdmi_segment(sd, ADV7842_EDID_PORT_A); |
| 3218 | edid_write_hdmi_segment(sd, ADV7842_EDID_PORT_B); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3219 | |
Martin Bugge | 1961b72 | 2013-12-05 12:18:14 -0300 | [diff] [blame] | 3220 | timings = state->timings; |
| 3221 | |
| 3222 | memset(&state->timings, 0, sizeof(struct v4l2_dv_timings)); |
| 3223 | |
| 3224 | adv7842_s_dv_timings(sd, &timings); |
| 3225 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3226 | return ret; |
| 3227 | } |
| 3228 | |
| 3229 | static long adv7842_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) |
| 3230 | { |
| 3231 | switch (cmd) { |
| 3232 | case ADV7842_CMD_RAM_TEST: |
| 3233 | return adv7842_command_ram_test(sd); |
| 3234 | } |
| 3235 | return -ENOTTY; |
| 3236 | } |
| 3237 | |
Lars-Peter Clausen | 2cf4090 | 2015-06-24 13:50:31 -0300 | [diff] [blame] | 3238 | static int adv7842_subscribe_event(struct v4l2_subdev *sd, |
| 3239 | struct v4l2_fh *fh, |
| 3240 | struct v4l2_event_subscription *sub) |
| 3241 | { |
| 3242 | switch (sub->type) { |
| 3243 | case V4L2_EVENT_SOURCE_CHANGE: |
| 3244 | return v4l2_src_change_event_subdev_subscribe(sd, fh, sub); |
| 3245 | case V4L2_EVENT_CTRL: |
| 3246 | return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub); |
| 3247 | default: |
| 3248 | return -EINVAL; |
| 3249 | } |
| 3250 | } |
| 3251 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 3252 | static int adv7842_registered(struct v4l2_subdev *sd) |
| 3253 | { |
| 3254 | struct adv7842_state *state = to_state(sd); |
Hans Verkuil | f51e808 | 2016-11-25 06:23:34 -0200 | [diff] [blame] | 3255 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 3256 | int err; |
| 3257 | |
Hans Verkuil | f51e808 | 2016-11-25 06:23:34 -0200 | [diff] [blame] | 3258 | err = cec_register_adapter(state->cec_adap, &client->dev); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 3259 | if (err) |
| 3260 | cec_delete_adapter(state->cec_adap); |
| 3261 | return err; |
| 3262 | } |
| 3263 | |
| 3264 | static void adv7842_unregistered(struct v4l2_subdev *sd) |
| 3265 | { |
| 3266 | struct adv7842_state *state = to_state(sd); |
| 3267 | |
| 3268 | cec_unregister_adapter(state->cec_adap); |
| 3269 | } |
| 3270 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3271 | /* ----------------------------------------------------------------------- */ |
| 3272 | |
| 3273 | static const struct v4l2_ctrl_ops adv7842_ctrl_ops = { |
| 3274 | .s_ctrl = adv7842_s_ctrl, |
Hans Verkuil | e897927 | 2016-01-27 11:31:42 -0200 | [diff] [blame] | 3275 | .g_volatile_ctrl = adv7842_g_volatile_ctrl, |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3276 | }; |
| 3277 | |
| 3278 | static const struct v4l2_subdev_core_ops adv7842_core_ops = { |
| 3279 | .log_status = adv7842_log_status, |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3280 | .ioctl = adv7842_ioctl, |
| 3281 | .interrupt_service_routine = adv7842_isr, |
Lars-Peter Clausen | 2cf4090 | 2015-06-24 13:50:31 -0300 | [diff] [blame] | 3282 | .subscribe_event = adv7842_subscribe_event, |
Lars-Peter Clausen | aef5159 | 2015-06-24 13:50:28 -0300 | [diff] [blame] | 3283 | .unsubscribe_event = v4l2_event_subdev_unsubscribe, |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3284 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 3285 | .g_register = adv7842_g_register, |
| 3286 | .s_register = adv7842_s_register, |
| 3287 | #endif |
| 3288 | }; |
| 3289 | |
| 3290 | static const struct v4l2_subdev_video_ops adv7842_video_ops = { |
Laurent Pinchart | 8774bed | 2014-04-28 16:53:01 -0300 | [diff] [blame] | 3291 | .g_std = adv7842_g_std, |
| 3292 | .s_std = adv7842_s_std, |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3293 | .s_routing = adv7842_s_routing, |
| 3294 | .querystd = adv7842_querystd, |
| 3295 | .g_input_status = adv7842_g_input_status, |
| 3296 | .s_dv_timings = adv7842_s_dv_timings, |
| 3297 | .g_dv_timings = adv7842_g_dv_timings, |
| 3298 | .query_dv_timings = adv7842_query_dv_timings, |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3299 | }; |
| 3300 | |
| 3301 | static const struct v4l2_subdev_pad_ops adv7842_pad_ops = { |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 3302 | .enum_mbus_code = adv7842_enum_mbus_code, |
| 3303 | .get_fmt = adv7842_get_format, |
| 3304 | .set_fmt = adv7842_set_format, |
Martin Bugge | 245b2b6 | 2013-12-05 12:14:02 -0300 | [diff] [blame] | 3305 | .get_edid = adv7842_get_edid, |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3306 | .set_edid = adv7842_set_edid, |
Laurent Pinchart | c916194 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 3307 | .enum_dv_timings = adv7842_enum_dv_timings, |
| 3308 | .dv_timings_cap = adv7842_dv_timings_cap, |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3309 | }; |
| 3310 | |
| 3311 | static const struct v4l2_subdev_ops adv7842_ops = { |
| 3312 | .core = &adv7842_core_ops, |
| 3313 | .video = &adv7842_video_ops, |
| 3314 | .pad = &adv7842_pad_ops, |
| 3315 | }; |
| 3316 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 3317 | static const struct v4l2_subdev_internal_ops adv7842_int_ops = { |
| 3318 | .registered = adv7842_registered, |
| 3319 | .unregistered = adv7842_unregistered, |
| 3320 | }; |
| 3321 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3322 | /* -------------------------- custom ctrls ---------------------------------- */ |
| 3323 | |
| 3324 | static const struct v4l2_ctrl_config adv7842_ctrl_analog_sampling_phase = { |
| 3325 | .ops = &adv7842_ctrl_ops, |
| 3326 | .id = V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE, |
| 3327 | .name = "Analog Sampling Phase", |
| 3328 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 3329 | .min = 0, |
| 3330 | .max = 0x1f, |
| 3331 | .step = 1, |
| 3332 | .def = 0, |
| 3333 | }; |
| 3334 | |
| 3335 | static const struct v4l2_ctrl_config adv7842_ctrl_free_run_color_manual = { |
| 3336 | .ops = &adv7842_ctrl_ops, |
| 3337 | .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL, |
| 3338 | .name = "Free Running Color, Manual", |
| 3339 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 3340 | .max = 1, |
| 3341 | .step = 1, |
| 3342 | .def = 1, |
| 3343 | }; |
| 3344 | |
| 3345 | static const struct v4l2_ctrl_config adv7842_ctrl_free_run_color = { |
| 3346 | .ops = &adv7842_ctrl_ops, |
| 3347 | .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR, |
| 3348 | .name = "Free Running Color", |
| 3349 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 3350 | .max = 0xffffff, |
| 3351 | .step = 0x1, |
| 3352 | }; |
| 3353 | |
| 3354 | |
Martin Bugge | b82e279 | 2013-12-05 12:14:45 -0300 | [diff] [blame] | 3355 | static void adv7842_unregister_clients(struct v4l2_subdev *sd) |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3356 | { |
Martin Bugge | b82e279 | 2013-12-05 12:14:45 -0300 | [diff] [blame] | 3357 | struct adv7842_state *state = to_state(sd); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3358 | if (state->i2c_avlink) |
| 3359 | i2c_unregister_device(state->i2c_avlink); |
| 3360 | if (state->i2c_cec) |
| 3361 | i2c_unregister_device(state->i2c_cec); |
| 3362 | if (state->i2c_infoframe) |
| 3363 | i2c_unregister_device(state->i2c_infoframe); |
| 3364 | if (state->i2c_sdp_io) |
| 3365 | i2c_unregister_device(state->i2c_sdp_io); |
| 3366 | if (state->i2c_sdp) |
| 3367 | i2c_unregister_device(state->i2c_sdp); |
| 3368 | if (state->i2c_afe) |
| 3369 | i2c_unregister_device(state->i2c_afe); |
| 3370 | if (state->i2c_repeater) |
| 3371 | i2c_unregister_device(state->i2c_repeater); |
| 3372 | if (state->i2c_edid) |
| 3373 | i2c_unregister_device(state->i2c_edid); |
| 3374 | if (state->i2c_hdmi) |
| 3375 | i2c_unregister_device(state->i2c_hdmi); |
| 3376 | if (state->i2c_cp) |
| 3377 | i2c_unregister_device(state->i2c_cp); |
| 3378 | if (state->i2c_vdp) |
| 3379 | i2c_unregister_device(state->i2c_vdp); |
Martin Bugge | b82e279 | 2013-12-05 12:14:45 -0300 | [diff] [blame] | 3380 | |
| 3381 | state->i2c_avlink = NULL; |
| 3382 | state->i2c_cec = NULL; |
| 3383 | state->i2c_infoframe = NULL; |
| 3384 | state->i2c_sdp_io = NULL; |
| 3385 | state->i2c_sdp = NULL; |
| 3386 | state->i2c_afe = NULL; |
| 3387 | state->i2c_repeater = NULL; |
| 3388 | state->i2c_edid = NULL; |
| 3389 | state->i2c_hdmi = NULL; |
| 3390 | state->i2c_cp = NULL; |
| 3391 | state->i2c_vdp = NULL; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3392 | } |
| 3393 | |
Martin Bugge | b82e279 | 2013-12-05 12:14:45 -0300 | [diff] [blame] | 3394 | static struct i2c_client *adv7842_dummy_client(struct v4l2_subdev *sd, const char *desc, |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3395 | u8 addr, u8 io_reg) |
| 3396 | { |
| 3397 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Martin Bugge | b82e279 | 2013-12-05 12:14:45 -0300 | [diff] [blame] | 3398 | struct i2c_client *cp; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3399 | |
| 3400 | io_write(sd, io_reg, addr << 1); |
Martin Bugge | b82e279 | 2013-12-05 12:14:45 -0300 | [diff] [blame] | 3401 | |
| 3402 | if (addr == 0) { |
| 3403 | v4l2_err(sd, "no %s i2c addr configured\n", desc); |
| 3404 | return NULL; |
| 3405 | } |
| 3406 | |
| 3407 | cp = i2c_new_dummy(client->adapter, io_read(sd, io_reg) >> 1); |
| 3408 | if (!cp) |
| 3409 | v4l2_err(sd, "register %s on i2c addr 0x%x failed\n", desc, addr); |
| 3410 | |
| 3411 | return cp; |
| 3412 | } |
| 3413 | |
| 3414 | static int adv7842_register_clients(struct v4l2_subdev *sd) |
| 3415 | { |
| 3416 | struct adv7842_state *state = to_state(sd); |
| 3417 | struct adv7842_platform_data *pdata = &state->pdata; |
| 3418 | |
| 3419 | state->i2c_avlink = adv7842_dummy_client(sd, "avlink", pdata->i2c_avlink, 0xf3); |
| 3420 | state->i2c_cec = adv7842_dummy_client(sd, "cec", pdata->i2c_cec, 0xf4); |
| 3421 | state->i2c_infoframe = adv7842_dummy_client(sd, "infoframe", pdata->i2c_infoframe, 0xf5); |
| 3422 | state->i2c_sdp_io = adv7842_dummy_client(sd, "sdp_io", pdata->i2c_sdp_io, 0xf2); |
| 3423 | state->i2c_sdp = adv7842_dummy_client(sd, "sdp", pdata->i2c_sdp, 0xf1); |
| 3424 | state->i2c_afe = adv7842_dummy_client(sd, "afe", pdata->i2c_afe, 0xf8); |
| 3425 | state->i2c_repeater = adv7842_dummy_client(sd, "repeater", pdata->i2c_repeater, 0xf9); |
| 3426 | state->i2c_edid = adv7842_dummy_client(sd, "edid", pdata->i2c_edid, 0xfa); |
| 3427 | state->i2c_hdmi = adv7842_dummy_client(sd, "hdmi", pdata->i2c_hdmi, 0xfb); |
| 3428 | state->i2c_cp = adv7842_dummy_client(sd, "cp", pdata->i2c_cp, 0xfd); |
| 3429 | state->i2c_vdp = adv7842_dummy_client(sd, "vdp", pdata->i2c_vdp, 0xfe); |
| 3430 | |
| 3431 | if (!state->i2c_avlink || |
| 3432 | !state->i2c_cec || |
| 3433 | !state->i2c_infoframe || |
| 3434 | !state->i2c_sdp_io || |
| 3435 | !state->i2c_sdp || |
| 3436 | !state->i2c_afe || |
| 3437 | !state->i2c_repeater || |
| 3438 | !state->i2c_edid || |
| 3439 | !state->i2c_hdmi || |
| 3440 | !state->i2c_cp || |
| 3441 | !state->i2c_vdp) |
| 3442 | return -1; |
| 3443 | |
| 3444 | return 0; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3445 | } |
| 3446 | |
| 3447 | static int adv7842_probe(struct i2c_client *client, |
| 3448 | const struct i2c_device_id *id) |
| 3449 | { |
| 3450 | struct adv7842_state *state; |
Hans Verkuil | 0bb4e7a | 2013-12-17 10:09:51 -0300 | [diff] [blame] | 3451 | static const struct v4l2_dv_timings cea640x480 = |
| 3452 | V4L2_DV_BT_CEA_640X480P59_94; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3453 | struct adv7842_platform_data *pdata = client->dev.platform_data; |
| 3454 | struct v4l2_ctrl_handler *hdl; |
Hans Verkuil | e897927 | 2016-01-27 11:31:42 -0200 | [diff] [blame] | 3455 | struct v4l2_ctrl *ctrl; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3456 | struct v4l2_subdev *sd; |
| 3457 | u16 rev; |
| 3458 | int err; |
| 3459 | |
| 3460 | /* Check if the adapter supports the needed features */ |
| 3461 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
| 3462 | return -EIO; |
| 3463 | |
| 3464 | v4l_dbg(1, debug, client, "detecting adv7842 client on address 0x%x\n", |
| 3465 | client->addr << 1); |
| 3466 | |
| 3467 | if (!pdata) { |
| 3468 | v4l_err(client, "No platform data!\n"); |
| 3469 | return -ENODEV; |
| 3470 | } |
| 3471 | |
| 3472 | state = devm_kzalloc(&client->dev, sizeof(struct adv7842_state), GFP_KERNEL); |
| 3473 | if (!state) { |
| 3474 | v4l_err(client, "Could not allocate adv7842_state memory!\n"); |
| 3475 | return -ENOMEM; |
| 3476 | } |
| 3477 | |
Martin Bugge | 7de5be4 | 2013-12-05 11:39:37 -0300 | [diff] [blame] | 3478 | /* platform data */ |
| 3479 | state->pdata = *pdata; |
Hans Verkuil | 0bb4e7a | 2013-12-17 10:09:51 -0300 | [diff] [blame] | 3480 | state->timings = cea640x480; |
Hans Verkuil | f888ae7 | 2015-05-01 11:31:30 -0300 | [diff] [blame] | 3481 | state->format = adv7842_format_info(state, MEDIA_BUS_FMT_YUYV8_2X8); |
Martin Bugge | 7de5be4 | 2013-12-05 11:39:37 -0300 | [diff] [blame] | 3482 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3483 | sd = &state->sd; |
| 3484 | v4l2_i2c_subdev_init(sd, client, &adv7842_ops); |
Lars-Peter Clausen | aef5159 | 2015-06-24 13:50:28 -0300 | [diff] [blame] | 3485 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 3486 | sd->internal_ops = &adv7842_int_ops; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3487 | state->mode = pdata->mode; |
| 3488 | |
Martin Bugge | 8e4e363 | 2013-12-05 11:55:48 -0300 | [diff] [blame] | 3489 | state->hdmi_port_a = pdata->input == ADV7842_SELECT_HDMI_PORT_A; |
Martin Bugge | 6e9071f | 2013-12-10 12:00:06 -0300 | [diff] [blame] | 3490 | state->restart_stdi_once = true; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3491 | |
| 3492 | /* i2c access to adv7842? */ |
| 3493 | rev = adv_smbus_read_byte_data_check(client, 0xea, false) << 8 | |
| 3494 | adv_smbus_read_byte_data_check(client, 0xeb, false); |
| 3495 | if (rev != 0x2012) { |
| 3496 | v4l2_info(sd, "got rev=0x%04x on first read attempt\n", rev); |
| 3497 | rev = adv_smbus_read_byte_data_check(client, 0xea, false) << 8 | |
| 3498 | adv_smbus_read_byte_data_check(client, 0xeb, false); |
| 3499 | } |
| 3500 | if (rev != 0x2012) { |
| 3501 | v4l2_info(sd, "not an adv7842 on address 0x%x (rev=0x%04x)\n", |
| 3502 | client->addr << 1, rev); |
| 3503 | return -ENODEV; |
| 3504 | } |
| 3505 | |
| 3506 | if (pdata->chip_reset) |
| 3507 | main_reset(sd); |
| 3508 | |
| 3509 | /* control handlers */ |
| 3510 | hdl = &state->hdl; |
| 3511 | v4l2_ctrl_handler_init(hdl, 6); |
| 3512 | |
| 3513 | /* add in ascending ID order */ |
| 3514 | v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops, |
| 3515 | V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); |
| 3516 | v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops, |
| 3517 | V4L2_CID_CONTRAST, 0, 255, 1, 128); |
| 3518 | v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops, |
| 3519 | V4L2_CID_SATURATION, 0, 255, 1, 128); |
| 3520 | v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops, |
| 3521 | V4L2_CID_HUE, 0, 128, 1, 0); |
Hans Verkuil | e897927 | 2016-01-27 11:31:42 -0200 | [diff] [blame] | 3522 | ctrl = v4l2_ctrl_new_std_menu(hdl, &adv7842_ctrl_ops, |
| 3523 | V4L2_CID_DV_RX_IT_CONTENT_TYPE, V4L2_DV_IT_CONTENT_TYPE_NO_ITC, |
| 3524 | 0, V4L2_DV_IT_CONTENT_TYPE_NO_ITC); |
| 3525 | if (ctrl) |
| 3526 | ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3527 | |
| 3528 | /* custom controls */ |
| 3529 | state->detect_tx_5v_ctrl = v4l2_ctrl_new_std(hdl, NULL, |
| 3530 | V4L2_CID_DV_RX_POWER_PRESENT, 0, 3, 0, 0); |
| 3531 | state->analog_sampling_phase_ctrl = v4l2_ctrl_new_custom(hdl, |
| 3532 | &adv7842_ctrl_analog_sampling_phase, NULL); |
| 3533 | state->free_run_color_ctrl_manual = v4l2_ctrl_new_custom(hdl, |
| 3534 | &adv7842_ctrl_free_run_color_manual, NULL); |
| 3535 | state->free_run_color_ctrl = v4l2_ctrl_new_custom(hdl, |
| 3536 | &adv7842_ctrl_free_run_color, NULL); |
| 3537 | state->rgb_quantization_range_ctrl = |
| 3538 | v4l2_ctrl_new_std_menu(hdl, &adv7842_ctrl_ops, |
| 3539 | V4L2_CID_DV_RX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL, |
| 3540 | 0, V4L2_DV_RGB_RANGE_AUTO); |
| 3541 | sd->ctrl_handler = hdl; |
| 3542 | if (hdl->error) { |
| 3543 | err = hdl->error; |
| 3544 | goto err_hdl; |
| 3545 | } |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3546 | if (adv7842_s_detect_tx_5v_ctrl(sd)) { |
| 3547 | err = -ENODEV; |
| 3548 | goto err_hdl; |
| 3549 | } |
| 3550 | |
Martin Bugge | b82e279 | 2013-12-05 12:14:45 -0300 | [diff] [blame] | 3551 | if (adv7842_register_clients(sd) < 0) { |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3552 | err = -ENOMEM; |
| 3553 | v4l2_err(sd, "failed to create all i2c clients\n"); |
| 3554 | goto err_i2c; |
| 3555 | } |
| 3556 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3557 | |
| 3558 | INIT_DELAYED_WORK(&state->delayed_work_enable_hotplug, |
| 3559 | adv7842_delayed_work_enable_hotplug); |
| 3560 | |
| 3561 | state->pad.flags = MEDIA_PAD_FL_SOURCE; |
Mauro Carvalho Chehab | ab22e77 | 2015-12-11 07:44:40 -0200 | [diff] [blame] | 3562 | err = media_entity_pads_init(&sd->entity, 1, &state->pad); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3563 | if (err) |
| 3564 | goto err_work_queues; |
| 3565 | |
Martin Bugge | 7de5be4 | 2013-12-05 11:39:37 -0300 | [diff] [blame] | 3566 | err = adv7842_core_init(sd); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3567 | if (err) |
| 3568 | goto err_entity; |
| 3569 | |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 3570 | #if IS_ENABLED(CONFIG_VIDEO_ADV7842_CEC) |
| 3571 | state->cec_adap = cec_allocate_adapter(&adv7842_cec_adap_ops, |
| 3572 | state, dev_name(&client->dev), |
Hans Verkuil | 57b7963 | 2017-08-04 06:41:52 -0400 | [diff] [blame] | 3573 | CEC_CAP_DEFAULTS, ADV7842_MAX_ADDRS); |
Hans Verkuil | 25c84fb | 2015-09-07 08:13:26 -0300 | [diff] [blame] | 3574 | err = PTR_ERR_OR_ZERO(state->cec_adap); |
| 3575 | if (err) |
| 3576 | goto err_entity; |
| 3577 | #endif |
| 3578 | |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3579 | v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name, |
| 3580 | client->addr << 1, client->adapter->name); |
| 3581 | return 0; |
| 3582 | |
| 3583 | err_entity: |
| 3584 | media_entity_cleanup(&sd->entity); |
| 3585 | err_work_queues: |
| 3586 | cancel_delayed_work(&state->delayed_work_enable_hotplug); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3587 | err_i2c: |
Martin Bugge | b82e279 | 2013-12-05 12:14:45 -0300 | [diff] [blame] | 3588 | adv7842_unregister_clients(sd); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3589 | err_hdl: |
| 3590 | v4l2_ctrl_handler_free(hdl); |
| 3591 | return err; |
| 3592 | } |
| 3593 | |
| 3594 | /* ----------------------------------------------------------------------- */ |
| 3595 | |
| 3596 | static int adv7842_remove(struct i2c_client *client) |
| 3597 | { |
| 3598 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| 3599 | struct adv7842_state *state = to_state(sd); |
| 3600 | |
| 3601 | adv7842_irq_enable(sd, false); |
Yang Yingliang | 9e3a4c7 | 2021-04-06 15:50:53 +0200 | [diff] [blame] | 3602 | cancel_delayed_work_sync(&state->delayed_work_enable_hotplug); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3603 | v4l2_device_unregister_subdev(sd); |
| 3604 | media_entity_cleanup(&sd->entity); |
Martin Bugge | b82e279 | 2013-12-05 12:14:45 -0300 | [diff] [blame] | 3605 | adv7842_unregister_clients(sd); |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3606 | v4l2_ctrl_handler_free(sd->ctrl_handler); |
| 3607 | return 0; |
| 3608 | } |
| 3609 | |
| 3610 | /* ----------------------------------------------------------------------- */ |
| 3611 | |
Arvind Yadav | 77c6cba | 2017-08-19 15:20:44 -0400 | [diff] [blame] | 3612 | static const struct i2c_device_id adv7842_id[] = { |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3613 | { "adv7842", 0 }, |
| 3614 | { } |
| 3615 | }; |
| 3616 | MODULE_DEVICE_TABLE(i2c, adv7842_id); |
| 3617 | |
| 3618 | /* ----------------------------------------------------------------------- */ |
| 3619 | |
| 3620 | static struct i2c_driver adv7842_driver = { |
| 3621 | .driver = { |
Hans Verkuil | a89bcd4 | 2013-08-22 06:14:22 -0300 | [diff] [blame] | 3622 | .name = "adv7842", |
| 3623 | }, |
| 3624 | .probe = adv7842_probe, |
| 3625 | .remove = adv7842_remove, |
| 3626 | .id_table = adv7842_id, |
| 3627 | }; |
| 3628 | |
| 3629 | module_i2c_driver(adv7842_driver); |