Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Analog Devices ADV7511 HDMI Transmitter Device 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 | |
Anders Roxell | 2349743 | 2019-06-12 12:19:35 -0400 | [diff] [blame] | 20 | /* |
| 21 | * This file is named adv7511-v4l2.c so it doesn't conflict with the Analog |
| 22 | * Device ADV7511 (config fragment CONFIG_DRM_I2C_ADV7511). |
| 23 | */ |
| 24 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 25 | |
| 26 | #include <linux/kernel.h> |
| 27 | #include <linux/module.h> |
| 28 | #include <linux/slab.h> |
| 29 | #include <linux/i2c.h> |
| 30 | #include <linux/delay.h> |
| 31 | #include <linux/videodev2.h> |
| 32 | #include <linux/gpio.h> |
| 33 | #include <linux/workqueue.h> |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 34 | #include <linux/hdmi.h> |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 35 | #include <linux/v4l2-dv-timings.h> |
| 36 | #include <media/v4l2-device.h> |
| 37 | #include <media/v4l2-common.h> |
| 38 | #include <media/v4l2-ctrls.h> |
| 39 | #include <media/v4l2-dv-timings.h> |
Mauro Carvalho Chehab | b5dcee2 | 2015-11-10 12:01:44 -0200 | [diff] [blame] | 40 | #include <media/i2c/adv7511.h> |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 41 | #include <media/cec.h> |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 42 | |
| 43 | static int debug; |
| 44 | module_param(debug, int, 0644); |
| 45 | MODULE_PARM_DESC(debug, "debug level (0-2)"); |
| 46 | |
| 47 | MODULE_DESCRIPTION("Analog Devices ADV7511 HDMI Transmitter Device Driver"); |
| 48 | MODULE_AUTHOR("Hans Verkuil"); |
Mike Looijmans | 8f7a5f4 | 2015-08-11 09:21:07 -0300 | [diff] [blame] | 49 | MODULE_LICENSE("GPL v2"); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 50 | |
| 51 | #define MASK_ADV7511_EDID_RDY_INT 0x04 |
| 52 | #define MASK_ADV7511_MSEN_INT 0x40 |
| 53 | #define MASK_ADV7511_HPD_INT 0x80 |
| 54 | |
| 55 | #define MASK_ADV7511_HPD_DETECT 0x40 |
| 56 | #define MASK_ADV7511_MSEN_DETECT 0x20 |
| 57 | #define MASK_ADV7511_EDID_RDY 0x10 |
| 58 | |
| 59 | #define EDID_MAX_RETRIES (8) |
| 60 | #define EDID_DELAY 250 |
| 61 | #define EDID_MAX_SEGM 8 |
| 62 | |
| 63 | #define ADV7511_MAX_WIDTH 1920 |
| 64 | #define ADV7511_MAX_HEIGHT 1200 |
| 65 | #define ADV7511_MIN_PIXELCLOCK 20000000 |
| 66 | #define ADV7511_MAX_PIXELCLOCK 225000000 |
| 67 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 68 | #define ADV7511_MAX_ADDRS (3) |
| 69 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 70 | /* |
| 71 | ********************************************************************** |
| 72 | * |
| 73 | * Arrays with configuration parameters for the ADV7511 |
| 74 | * |
| 75 | ********************************************************************** |
| 76 | */ |
| 77 | |
| 78 | struct i2c_reg_value { |
| 79 | unsigned char reg; |
| 80 | unsigned char value; |
| 81 | }; |
| 82 | |
| 83 | struct adv7511_state_edid { |
| 84 | /* total number of blocks */ |
| 85 | u32 blocks; |
| 86 | /* Number of segments read */ |
| 87 | u32 segments; |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 88 | u8 data[EDID_MAX_SEGM * 256]; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 89 | /* Number of EDID read retries left */ |
| 90 | unsigned read_retries; |
| 91 | bool complete; |
| 92 | }; |
| 93 | |
| 94 | struct adv7511_state { |
| 95 | struct adv7511_platform_data pdata; |
| 96 | struct v4l2_subdev sd; |
| 97 | struct media_pad pad; |
| 98 | struct v4l2_ctrl_handler hdl; |
| 99 | int chip_revision; |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 100 | u8 i2c_edid_addr; |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 101 | u8 i2c_pktmem_addr; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 102 | u8 i2c_cec_addr; |
| 103 | |
| 104 | struct i2c_client *i2c_cec; |
| 105 | struct cec_adapter *cec_adap; |
| 106 | u8 cec_addr[ADV7511_MAX_ADDRS]; |
| 107 | u8 cec_valid_addrs; |
| 108 | bool cec_enabled_adap; |
| 109 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 110 | /* Is the adv7511 powered on? */ |
| 111 | bool power_on; |
| 112 | /* Did we receive hotplug and rx-sense signals? */ |
| 113 | bool have_monitor; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 114 | bool enabled_irq; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 115 | /* timings from s_dv_timings */ |
| 116 | struct v4l2_dv_timings dv_timings; |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 117 | u32 fmt_code; |
| 118 | u32 colorspace; |
| 119 | u32 ycbcr_enc; |
| 120 | u32 quantization; |
Hans Verkuil | e719a51 | 2015-04-28 09:40:30 -0300 | [diff] [blame] | 121 | u32 xfer_func; |
Hans Verkuil | df0e577 | 2016-01-27 11:31:43 -0200 | [diff] [blame] | 122 | u32 content_type; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 123 | /* controls */ |
| 124 | struct v4l2_ctrl *hdmi_mode_ctrl; |
| 125 | struct v4l2_ctrl *hotplug_ctrl; |
| 126 | struct v4l2_ctrl *rx_sense_ctrl; |
| 127 | struct v4l2_ctrl *have_edid0_ctrl; |
| 128 | struct v4l2_ctrl *rgb_quantization_range_ctrl; |
Hans Verkuil | df0e577 | 2016-01-27 11:31:43 -0200 | [diff] [blame] | 129 | struct v4l2_ctrl *content_type_ctrl; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 130 | struct i2c_client *i2c_edid; |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 131 | struct i2c_client *i2c_pktmem; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 132 | struct adv7511_state_edid edid; |
| 133 | /* Running counter of the number of detected EDIDs (for debugging) */ |
| 134 | unsigned edid_detect_counter; |
| 135 | struct workqueue_struct *work_queue; |
| 136 | struct delayed_work edid_handler; /* work entry */ |
| 137 | }; |
| 138 | |
| 139 | static void adv7511_check_monitor_present_status(struct v4l2_subdev *sd); |
| 140 | static bool adv7511_check_edid_status(struct v4l2_subdev *sd); |
| 141 | static void adv7511_setup(struct v4l2_subdev *sd); |
| 142 | static int adv7511_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq); |
| 143 | static int adv7511_s_clock_freq(struct v4l2_subdev *sd, u32 freq); |
| 144 | |
| 145 | |
| 146 | static const struct v4l2_dv_timings_cap adv7511_timings_cap = { |
| 147 | .type = V4L2_DV_BT_656_1120, |
Gianluca Gennari | aefd4a5 | 2013-08-30 08:29:23 -0300 | [diff] [blame] | 148 | /* keep this initialization for compatibility with GCC < 4.4.6 */ |
| 149 | .reserved = { 0 }, |
Hans Verkuil | ac71285 | 2018-11-08 04:51:51 -0500 | [diff] [blame] | 150 | V4L2_INIT_BT_TIMINGS(640, ADV7511_MAX_WIDTH, 350, ADV7511_MAX_HEIGHT, |
Gianluca Gennari | aefd4a5 | 2013-08-30 08:29:23 -0300 | [diff] [blame] | 151 | ADV7511_MIN_PIXELCLOCK, ADV7511_MAX_PIXELCLOCK, |
| 152 | V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 153 | V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, |
Gianluca Gennari | aefd4a5 | 2013-08-30 08:29:23 -0300 | [diff] [blame] | 154 | V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | |
| 155 | V4L2_DV_BT_CAP_CUSTOM) |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 156 | }; |
| 157 | |
| 158 | static inline struct adv7511_state *get_adv7511_state(struct v4l2_subdev *sd) |
| 159 | { |
| 160 | return container_of(sd, struct adv7511_state, sd); |
| 161 | } |
| 162 | |
| 163 | static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) |
| 164 | { |
| 165 | return &container_of(ctrl->handler, struct adv7511_state, hdl)->sd; |
| 166 | } |
| 167 | |
| 168 | /* ------------------------ I2C ----------------------------------------------- */ |
| 169 | |
| 170 | static s32 adv_smbus_read_byte_data_check(struct i2c_client *client, |
| 171 | u8 command, bool check) |
| 172 | { |
| 173 | union i2c_smbus_data data; |
| 174 | |
| 175 | if (!i2c_smbus_xfer(client->adapter, client->addr, client->flags, |
| 176 | I2C_SMBUS_READ, command, |
| 177 | I2C_SMBUS_BYTE_DATA, &data)) |
| 178 | return data.byte; |
| 179 | if (check) |
| 180 | v4l_err(client, "error reading %02x, %02x\n", |
| 181 | client->addr, command); |
| 182 | return -1; |
| 183 | } |
| 184 | |
| 185 | static s32 adv_smbus_read_byte_data(struct i2c_client *client, u8 command) |
| 186 | { |
| 187 | int i; |
| 188 | for (i = 0; i < 3; i++) { |
| 189 | int ret = adv_smbus_read_byte_data_check(client, command, true); |
| 190 | if (ret >= 0) { |
| 191 | if (i) |
| 192 | v4l_err(client, "read ok after %d retries\n", i); |
| 193 | return ret; |
| 194 | } |
| 195 | } |
| 196 | v4l_err(client, "read failed\n"); |
| 197 | return -1; |
| 198 | } |
| 199 | |
| 200 | static int adv7511_rd(struct v4l2_subdev *sd, u8 reg) |
| 201 | { |
| 202 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 203 | |
| 204 | return adv_smbus_read_byte_data(client, reg); |
| 205 | } |
| 206 | |
| 207 | static int adv7511_wr(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 208 | { |
| 209 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 210 | int ret; |
| 211 | int i; |
| 212 | |
| 213 | for (i = 0; i < 3; i++) { |
| 214 | ret = i2c_smbus_write_byte_data(client, reg, val); |
| 215 | if (ret == 0) |
| 216 | return 0; |
| 217 | } |
| 218 | v4l2_err(sd, "%s: i2c write error\n", __func__); |
| 219 | return ret; |
| 220 | } |
| 221 | |
| 222 | /* To set specific bits in the register, a clear-mask is given (to be AND-ed), |
| 223 | and then the value-mask (to be OR-ed). */ |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 224 | static inline void adv7511_wr_and_or(struct v4l2_subdev *sd, u8 reg, u8 clr_mask, u8 val_mask) |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 225 | { |
| 226 | adv7511_wr(sd, reg, (adv7511_rd(sd, reg) & clr_mask) | val_mask); |
| 227 | } |
| 228 | |
| 229 | static int adv_smbus_read_i2c_block_data(struct i2c_client *client, |
| 230 | u8 command, unsigned length, u8 *values) |
| 231 | { |
| 232 | union i2c_smbus_data data; |
| 233 | int ret; |
| 234 | |
| 235 | if (length > I2C_SMBUS_BLOCK_MAX) |
| 236 | length = I2C_SMBUS_BLOCK_MAX; |
| 237 | data.block[0] = length; |
| 238 | |
| 239 | ret = i2c_smbus_xfer(client->adapter, client->addr, client->flags, |
| 240 | I2C_SMBUS_READ, command, |
| 241 | I2C_SMBUS_I2C_BLOCK_DATA, &data); |
| 242 | memcpy(values, data.block + 1, length); |
| 243 | return ret; |
| 244 | } |
| 245 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 246 | static void adv7511_edid_rd(struct v4l2_subdev *sd, uint16_t len, uint8_t *buf) |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 247 | { |
| 248 | struct adv7511_state *state = get_adv7511_state(sd); |
| 249 | int i; |
| 250 | int err = 0; |
| 251 | |
| 252 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
| 253 | |
| 254 | for (i = 0; !err && i < len; i += I2C_SMBUS_BLOCK_MAX) |
| 255 | err = adv_smbus_read_i2c_block_data(state->i2c_edid, i, |
| 256 | I2C_SMBUS_BLOCK_MAX, buf + i); |
| 257 | if (err) |
| 258 | v4l2_err(sd, "%s: i2c read error\n", __func__); |
| 259 | } |
| 260 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 261 | static inline int adv7511_cec_read(struct v4l2_subdev *sd, u8 reg) |
| 262 | { |
| 263 | struct adv7511_state *state = get_adv7511_state(sd); |
| 264 | |
| 265 | return i2c_smbus_read_byte_data(state->i2c_cec, reg); |
| 266 | } |
| 267 | |
| 268 | static int adv7511_cec_write(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 269 | { |
| 270 | struct adv7511_state *state = get_adv7511_state(sd); |
| 271 | int ret; |
| 272 | int i; |
| 273 | |
| 274 | for (i = 0; i < 3; i++) { |
| 275 | ret = i2c_smbus_write_byte_data(state->i2c_cec, reg, val); |
| 276 | if (ret == 0) |
| 277 | return 0; |
| 278 | } |
| 279 | v4l2_err(sd, "%s: I2C Write Problem\n", __func__); |
| 280 | return ret; |
| 281 | } |
| 282 | |
| 283 | static inline int adv7511_cec_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, |
| 284 | u8 val) |
| 285 | { |
| 286 | return adv7511_cec_write(sd, reg, (adv7511_cec_read(sd, reg) & mask) | val); |
| 287 | } |
| 288 | |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 289 | static int adv7511_pktmem_rd(struct v4l2_subdev *sd, u8 reg) |
| 290 | { |
| 291 | struct adv7511_state *state = get_adv7511_state(sd); |
| 292 | |
| 293 | return adv_smbus_read_byte_data(state->i2c_pktmem, reg); |
| 294 | } |
| 295 | |
| 296 | static int adv7511_pktmem_wr(struct v4l2_subdev *sd, u8 reg, u8 val) |
| 297 | { |
| 298 | struct adv7511_state *state = get_adv7511_state(sd); |
| 299 | int ret; |
| 300 | int i; |
| 301 | |
| 302 | for (i = 0; i < 3; i++) { |
| 303 | ret = i2c_smbus_write_byte_data(state->i2c_pktmem, reg, val); |
| 304 | if (ret == 0) |
| 305 | return 0; |
| 306 | } |
| 307 | v4l2_err(sd, "%s: i2c write error\n", __func__); |
| 308 | return ret; |
| 309 | } |
| 310 | |
| 311 | /* To set specific bits in the register, a clear-mask is given (to be AND-ed), |
| 312 | and then the value-mask (to be OR-ed). */ |
| 313 | static inline void adv7511_pktmem_wr_and_or(struct v4l2_subdev *sd, u8 reg, u8 clr_mask, u8 val_mask) |
| 314 | { |
| 315 | adv7511_pktmem_wr(sd, reg, (adv7511_pktmem_rd(sd, reg) & clr_mask) | val_mask); |
| 316 | } |
| 317 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 318 | static inline bool adv7511_have_hotplug(struct v4l2_subdev *sd) |
| 319 | { |
| 320 | return adv7511_rd(sd, 0x42) & MASK_ADV7511_HPD_DETECT; |
| 321 | } |
| 322 | |
| 323 | static inline bool adv7511_have_rx_sense(struct v4l2_subdev *sd) |
| 324 | { |
| 325 | return adv7511_rd(sd, 0x42) & MASK_ADV7511_MSEN_DETECT; |
| 326 | } |
| 327 | |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 328 | static void adv7511_csc_conversion_mode(struct v4l2_subdev *sd, u8 mode) |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 329 | { |
| 330 | adv7511_wr_and_or(sd, 0x18, 0x9f, (mode & 0x3)<<5); |
| 331 | } |
| 332 | |
| 333 | static void adv7511_csc_coeff(struct v4l2_subdev *sd, |
| 334 | u16 A1, u16 A2, u16 A3, u16 A4, |
| 335 | u16 B1, u16 B2, u16 B3, u16 B4, |
| 336 | u16 C1, u16 C2, u16 C3, u16 C4) |
| 337 | { |
| 338 | /* A */ |
| 339 | adv7511_wr_and_or(sd, 0x18, 0xe0, A1>>8); |
| 340 | adv7511_wr(sd, 0x19, A1); |
| 341 | adv7511_wr_and_or(sd, 0x1A, 0xe0, A2>>8); |
| 342 | adv7511_wr(sd, 0x1B, A2); |
| 343 | adv7511_wr_and_or(sd, 0x1c, 0xe0, A3>>8); |
| 344 | adv7511_wr(sd, 0x1d, A3); |
| 345 | adv7511_wr_and_or(sd, 0x1e, 0xe0, A4>>8); |
| 346 | adv7511_wr(sd, 0x1f, A4); |
| 347 | |
| 348 | /* B */ |
| 349 | adv7511_wr_and_or(sd, 0x20, 0xe0, B1>>8); |
| 350 | adv7511_wr(sd, 0x21, B1); |
| 351 | adv7511_wr_and_or(sd, 0x22, 0xe0, B2>>8); |
| 352 | adv7511_wr(sd, 0x23, B2); |
| 353 | adv7511_wr_and_or(sd, 0x24, 0xe0, B3>>8); |
| 354 | adv7511_wr(sd, 0x25, B3); |
| 355 | adv7511_wr_and_or(sd, 0x26, 0xe0, B4>>8); |
| 356 | adv7511_wr(sd, 0x27, B4); |
| 357 | |
| 358 | /* C */ |
| 359 | adv7511_wr_and_or(sd, 0x28, 0xe0, C1>>8); |
| 360 | adv7511_wr(sd, 0x29, C1); |
| 361 | adv7511_wr_and_or(sd, 0x2A, 0xe0, C2>>8); |
| 362 | adv7511_wr(sd, 0x2B, C2); |
| 363 | adv7511_wr_and_or(sd, 0x2C, 0xe0, C3>>8); |
| 364 | adv7511_wr(sd, 0x2D, C3); |
| 365 | adv7511_wr_and_or(sd, 0x2E, 0xe0, C4>>8); |
| 366 | adv7511_wr(sd, 0x2F, C4); |
| 367 | } |
| 368 | |
| 369 | static void adv7511_csc_rgb_full2limit(struct v4l2_subdev *sd, bool enable) |
| 370 | { |
| 371 | if (enable) { |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 372 | u8 csc_mode = 0; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 373 | adv7511_csc_conversion_mode(sd, csc_mode); |
| 374 | adv7511_csc_coeff(sd, |
| 375 | 4096-564, 0, 0, 256, |
| 376 | 0, 4096-564, 0, 256, |
| 377 | 0, 0, 4096-564, 256); |
| 378 | /* enable CSC */ |
| 379 | adv7511_wr_and_or(sd, 0x18, 0x7f, 0x80); |
| 380 | /* AVI infoframe: Limited range RGB (16-235) */ |
| 381 | adv7511_wr_and_or(sd, 0x57, 0xf3, 0x04); |
| 382 | } else { |
| 383 | /* disable CSC */ |
| 384 | adv7511_wr_and_or(sd, 0x18, 0x7f, 0x0); |
| 385 | /* AVI infoframe: Full range RGB (0-255) */ |
| 386 | adv7511_wr_and_or(sd, 0x57, 0xf3, 0x08); |
| 387 | } |
| 388 | } |
| 389 | |
Hans Verkuil | 0a25a01 | 2016-06-28 11:32:36 -0300 | [diff] [blame] | 390 | static void adv7511_set_rgb_quantization_mode(struct v4l2_subdev *sd, struct v4l2_ctrl *ctrl) |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 391 | { |
Hans Verkuil | 0a25a01 | 2016-06-28 11:32:36 -0300 | [diff] [blame] | 392 | struct adv7511_state *state = get_adv7511_state(sd); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 393 | |
Hans Verkuil | 0a25a01 | 2016-06-28 11:32:36 -0300 | [diff] [blame] | 394 | /* Only makes sense for RGB formats */ |
| 395 | if (state->fmt_code != MEDIA_BUS_FMT_RGB888_1X24) { |
| 396 | /* so just keep quantization */ |
| 397 | adv7511_csc_rgb_full2limit(sd, false); |
| 398 | return; |
| 399 | } |
| 400 | |
| 401 | switch (ctrl->val) { |
| 402 | case V4L2_DV_RGB_RANGE_AUTO: |
| 403 | /* automatic */ |
Hans Verkuil | 680fee0 | 2015-03-20 14:05:05 -0300 | [diff] [blame] | 404 | if (state->dv_timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) { |
| 405 | /* CE format, RGB limited range (16-235) */ |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 406 | adv7511_csc_rgb_full2limit(sd, true); |
| 407 | } else { |
Hans Verkuil | 680fee0 | 2015-03-20 14:05:05 -0300 | [diff] [blame] | 408 | /* not CE format, RGB full range (0-255) */ |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 409 | adv7511_csc_rgb_full2limit(sd, false); |
| 410 | } |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 411 | break; |
| 412 | case V4L2_DV_RGB_RANGE_LIMITED: |
| 413 | /* RGB limited range (16-235) */ |
| 414 | adv7511_csc_rgb_full2limit(sd, true); |
| 415 | break; |
| 416 | case V4L2_DV_RGB_RANGE_FULL: |
| 417 | /* RGB full range (0-255) */ |
| 418 | adv7511_csc_rgb_full2limit(sd, false); |
| 419 | break; |
| 420 | } |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 421 | } |
| 422 | |
| 423 | /* ------------------------------ CTRL OPS ------------------------------ */ |
| 424 | |
| 425 | static int adv7511_s_ctrl(struct v4l2_ctrl *ctrl) |
| 426 | { |
| 427 | struct v4l2_subdev *sd = to_sd(ctrl); |
| 428 | struct adv7511_state *state = get_adv7511_state(sd); |
| 429 | |
| 430 | v4l2_dbg(1, debug, sd, "%s: ctrl id: %d, ctrl->val %d\n", __func__, ctrl->id, ctrl->val); |
| 431 | |
| 432 | if (state->hdmi_mode_ctrl == ctrl) { |
| 433 | /* Set HDMI or DVI-D */ |
| 434 | adv7511_wr_and_or(sd, 0xaf, 0xfd, ctrl->val == V4L2_DV_TX_MODE_HDMI ? 0x02 : 0x00); |
| 435 | return 0; |
| 436 | } |
Hans Verkuil | 0a25a01 | 2016-06-28 11:32:36 -0300 | [diff] [blame] | 437 | if (state->rgb_quantization_range_ctrl == ctrl) { |
| 438 | adv7511_set_rgb_quantization_mode(sd, ctrl); |
| 439 | return 0; |
| 440 | } |
Hans Verkuil | df0e577 | 2016-01-27 11:31:43 -0200 | [diff] [blame] | 441 | if (state->content_type_ctrl == ctrl) { |
| 442 | u8 itc, cn; |
| 443 | |
| 444 | state->content_type = ctrl->val; |
| 445 | itc = state->content_type != V4L2_DV_IT_CONTENT_TYPE_NO_ITC; |
| 446 | cn = itc ? state->content_type : V4L2_DV_IT_CONTENT_TYPE_GRAPHICS; |
| 447 | adv7511_wr_and_or(sd, 0x57, 0x7f, itc << 7); |
| 448 | adv7511_wr_and_or(sd, 0x59, 0xcf, cn << 4); |
| 449 | return 0; |
| 450 | } |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 451 | |
| 452 | return -EINVAL; |
| 453 | } |
| 454 | |
| 455 | static const struct v4l2_ctrl_ops adv7511_ctrl_ops = { |
| 456 | .s_ctrl = adv7511_s_ctrl, |
| 457 | }; |
| 458 | |
| 459 | /* ---------------------------- CORE OPS ------------------------------------------- */ |
| 460 | |
| 461 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 462 | static void adv7511_inv_register(struct v4l2_subdev *sd) |
| 463 | { |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 464 | struct adv7511_state *state = get_adv7511_state(sd); |
| 465 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 466 | v4l2_info(sd, "0x000-0x0ff: Main Map\n"); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 467 | if (state->i2c_cec) |
| 468 | v4l2_info(sd, "0x100-0x1ff: CEC Map\n"); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | static int adv7511_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) |
| 472 | { |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 473 | struct adv7511_state *state = get_adv7511_state(sd); |
| 474 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 475 | reg->size = 1; |
| 476 | switch (reg->reg >> 8) { |
| 477 | case 0: |
| 478 | reg->val = adv7511_rd(sd, reg->reg & 0xff); |
| 479 | break; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 480 | case 1: |
| 481 | if (state->i2c_cec) { |
| 482 | reg->val = adv7511_cec_read(sd, reg->reg & 0xff); |
| 483 | break; |
| 484 | } |
| 485 | /* fall through */ |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 486 | default: |
| 487 | v4l2_info(sd, "Register %03llx not supported\n", reg->reg); |
| 488 | adv7511_inv_register(sd); |
| 489 | break; |
| 490 | } |
| 491 | return 0; |
| 492 | } |
| 493 | |
| 494 | static int adv7511_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) |
| 495 | { |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 496 | struct adv7511_state *state = get_adv7511_state(sd); |
| 497 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 498 | switch (reg->reg >> 8) { |
| 499 | case 0: |
| 500 | adv7511_wr(sd, reg->reg & 0xff, reg->val & 0xff); |
| 501 | break; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 502 | case 1: |
| 503 | if (state->i2c_cec) { |
| 504 | adv7511_cec_write(sd, reg->reg & 0xff, reg->val & 0xff); |
| 505 | break; |
| 506 | } |
| 507 | /* fall through */ |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 508 | default: |
| 509 | v4l2_info(sd, "Register %03llx not supported\n", reg->reg); |
| 510 | adv7511_inv_register(sd); |
| 511 | break; |
| 512 | } |
| 513 | return 0; |
| 514 | } |
| 515 | #endif |
| 516 | |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 517 | struct adv7511_cfg_read_infoframe { |
| 518 | const char *desc; |
| 519 | u8 present_reg; |
| 520 | u8 present_mask; |
| 521 | u8 header[3]; |
| 522 | u16 payload_addr; |
| 523 | }; |
| 524 | |
| 525 | static u8 hdmi_infoframe_checksum(u8 *ptr, size_t size) |
| 526 | { |
| 527 | u8 csum = 0; |
| 528 | size_t i; |
| 529 | |
| 530 | /* compute checksum */ |
| 531 | for (i = 0; i < size; i++) |
| 532 | csum += ptr[i]; |
| 533 | |
| 534 | return 256 - csum; |
| 535 | } |
| 536 | |
| 537 | static void log_infoframe(struct v4l2_subdev *sd, const struct adv7511_cfg_read_infoframe *cri) |
| 538 | { |
| 539 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 540 | struct device *dev = &client->dev; |
| 541 | union hdmi_infoframe frame; |
| 542 | u8 buffer[32]; |
| 543 | u8 len; |
| 544 | int i; |
| 545 | |
| 546 | if (!(adv7511_rd(sd, cri->present_reg) & cri->present_mask)) { |
| 547 | v4l2_info(sd, "%s infoframe not transmitted\n", cri->desc); |
| 548 | return; |
| 549 | } |
| 550 | |
| 551 | memcpy(buffer, cri->header, sizeof(cri->header)); |
| 552 | |
| 553 | len = buffer[2]; |
| 554 | |
| 555 | if (len + 4 > sizeof(buffer)) { |
| 556 | v4l2_err(sd, "%s: invalid %s infoframe length %d\n", __func__, cri->desc, len); |
| 557 | return; |
| 558 | } |
| 559 | |
| 560 | if (cri->payload_addr >= 0x100) { |
| 561 | for (i = 0; i < len; i++) |
| 562 | buffer[i + 4] = adv7511_pktmem_rd(sd, cri->payload_addr + i - 0x100); |
| 563 | } else { |
| 564 | for (i = 0; i < len; i++) |
| 565 | buffer[i + 4] = adv7511_rd(sd, cri->payload_addr + i); |
| 566 | } |
| 567 | buffer[3] = 0; |
| 568 | buffer[3] = hdmi_infoframe_checksum(buffer, len + 4); |
| 569 | |
| 570 | if (hdmi_infoframe_unpack(&frame, buffer) < 0) { |
| 571 | v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, cri->desc); |
| 572 | return; |
| 573 | } |
| 574 | |
| 575 | hdmi_infoframe_log(KERN_INFO, dev, &frame); |
| 576 | } |
| 577 | |
| 578 | static void adv7511_log_infoframes(struct v4l2_subdev *sd) |
| 579 | { |
| 580 | static const struct adv7511_cfg_read_infoframe cri[] = { |
| 581 | { "AVI", 0x44, 0x10, { 0x82, 2, 13 }, 0x55 }, |
| 582 | { "Audio", 0x44, 0x08, { 0x84, 1, 10 }, 0x73 }, |
| 583 | { "SDP", 0x40, 0x40, { 0x83, 1, 25 }, 0x103 }, |
| 584 | }; |
| 585 | int i; |
| 586 | |
| 587 | for (i = 0; i < ARRAY_SIZE(cri); i++) |
| 588 | log_infoframe(sd, &cri[i]); |
| 589 | } |
| 590 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 591 | static int adv7511_log_status(struct v4l2_subdev *sd) |
| 592 | { |
| 593 | struct adv7511_state *state = get_adv7511_state(sd); |
| 594 | struct adv7511_state_edid *edid = &state->edid; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 595 | int i; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 596 | |
| 597 | static const char * const states[] = { |
| 598 | "in reset", |
| 599 | "reading EDID", |
| 600 | "idle", |
| 601 | "initializing HDCP", |
| 602 | "HDCP enabled", |
| 603 | "initializing HDCP repeater", |
| 604 | "6", "7", "8", "9", "A", "B", "C", "D", "E", "F" |
| 605 | }; |
| 606 | static const char * const errors[] = { |
| 607 | "no error", |
| 608 | "bad receiver BKSV", |
| 609 | "Ri mismatch", |
| 610 | "Pj mismatch", |
| 611 | "i2c error", |
| 612 | "timed out", |
| 613 | "max repeater cascade exceeded", |
| 614 | "hash check failed", |
| 615 | "too many devices", |
| 616 | "9", "A", "B", "C", "D", "E", "F" |
| 617 | }; |
| 618 | |
| 619 | v4l2_info(sd, "power %s\n", state->power_on ? "on" : "off"); |
| 620 | v4l2_info(sd, "%s hotplug, %s Rx Sense, %s EDID (%d block(s))\n", |
| 621 | (adv7511_rd(sd, 0x42) & MASK_ADV7511_HPD_DETECT) ? "detected" : "no", |
| 622 | (adv7511_rd(sd, 0x42) & MASK_ADV7511_MSEN_DETECT) ? "detected" : "no", |
| 623 | edid->segments ? "found" : "no", |
| 624 | edid->blocks); |
| 625 | v4l2_info(sd, "%s output %s\n", |
| 626 | (adv7511_rd(sd, 0xaf) & 0x02) ? |
| 627 | "HDMI" : "DVI-D", |
| 628 | (adv7511_rd(sd, 0xa1) & 0x3c) ? |
| 629 | "disabled" : "enabled"); |
| 630 | v4l2_info(sd, "state: %s, error: %s, detect count: %u, msk/irq: %02x/%02x\n", |
| 631 | states[adv7511_rd(sd, 0xc8) & 0xf], |
| 632 | errors[adv7511_rd(sd, 0xc8) >> 4], state->edid_detect_counter, |
| 633 | adv7511_rd(sd, 0x94), adv7511_rd(sd, 0x96)); |
| 634 | v4l2_info(sd, "RGB quantization: %s range\n", adv7511_rd(sd, 0x18) & 0x80 ? "limited" : "full"); |
Martin Bugge | 3ecabed | 2013-12-05 09:06:29 -0300 | [diff] [blame] | 635 | if (adv7511_rd(sd, 0xaf) & 0x02) { |
| 636 | /* HDMI only */ |
| 637 | u8 manual_cts = adv7511_rd(sd, 0x0a) & 0x80; |
| 638 | u32 N = (adv7511_rd(sd, 0x01) & 0xf) << 16 | |
| 639 | adv7511_rd(sd, 0x02) << 8 | |
| 640 | adv7511_rd(sd, 0x03); |
| 641 | u8 vic_detect = adv7511_rd(sd, 0x3e) >> 2; |
| 642 | u8 vic_sent = adv7511_rd(sd, 0x3d) & 0x3f; |
| 643 | u32 CTS; |
| 644 | |
| 645 | if (manual_cts) |
| 646 | CTS = (adv7511_rd(sd, 0x07) & 0xf) << 16 | |
| 647 | adv7511_rd(sd, 0x08) << 8 | |
| 648 | adv7511_rd(sd, 0x09); |
| 649 | else |
| 650 | CTS = (adv7511_rd(sd, 0x04) & 0xf) << 16 | |
| 651 | adv7511_rd(sd, 0x05) << 8 | |
| 652 | adv7511_rd(sd, 0x06); |
| 653 | v4l2_info(sd, "CTS %s mode: N %d, CTS %d\n", |
| 654 | manual_cts ? "manual" : "automatic", N, CTS); |
| 655 | v4l2_info(sd, "VIC: detected %d, sent %d\n", |
| 656 | vic_detect, vic_sent); |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 657 | adv7511_log_infoframes(sd); |
Martin Bugge | 3ecabed | 2013-12-05 09:06:29 -0300 | [diff] [blame] | 658 | } |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 659 | if (state->dv_timings.type == V4L2_DV_BT_656_1120) |
| 660 | v4l2_print_dv_timings(sd->name, "timings: ", |
| 661 | &state->dv_timings, false); |
| 662 | else |
| 663 | v4l2_info(sd, "no timings set\n"); |
| 664 | v4l2_info(sd, "i2c edid addr: 0x%x\n", state->i2c_edid_addr); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 665 | |
| 666 | if (state->i2c_cec == NULL) |
| 667 | return 0; |
| 668 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 669 | v4l2_info(sd, "i2c cec addr: 0x%x\n", state->i2c_cec_addr); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 670 | |
| 671 | v4l2_info(sd, "CEC: %s\n", state->cec_enabled_adap ? |
| 672 | "enabled" : "disabled"); |
| 673 | if (state->cec_enabled_adap) { |
| 674 | for (i = 0; i < ADV7511_MAX_ADDRS; i++) { |
| 675 | bool is_valid = state->cec_valid_addrs & (1 << i); |
| 676 | |
| 677 | if (is_valid) |
| 678 | v4l2_info(sd, "CEC Logical Address: 0x%x\n", |
| 679 | state->cec_addr[i]); |
| 680 | } |
| 681 | } |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 682 | v4l2_info(sd, "i2c pktmem addr: 0x%x\n", state->i2c_pktmem_addr); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 683 | return 0; |
| 684 | } |
| 685 | |
| 686 | /* Power up/down adv7511 */ |
| 687 | static int adv7511_s_power(struct v4l2_subdev *sd, int on) |
| 688 | { |
| 689 | struct adv7511_state *state = get_adv7511_state(sd); |
| 690 | const int retries = 20; |
| 691 | int i; |
| 692 | |
| 693 | v4l2_dbg(1, debug, sd, "%s: power %s\n", __func__, on ? "on" : "off"); |
| 694 | |
| 695 | state->power_on = on; |
| 696 | |
| 697 | if (!on) { |
| 698 | /* Power down */ |
| 699 | adv7511_wr_and_or(sd, 0x41, 0xbf, 0x40); |
| 700 | return true; |
| 701 | } |
| 702 | |
| 703 | /* Power up */ |
| 704 | /* The adv7511 does not always come up immediately. |
| 705 | Retry multiple times. */ |
| 706 | for (i = 0; i < retries; i++) { |
| 707 | adv7511_wr_and_or(sd, 0x41, 0xbf, 0x0); |
| 708 | if ((adv7511_rd(sd, 0x41) & 0x40) == 0) |
| 709 | break; |
| 710 | adv7511_wr_and_or(sd, 0x41, 0xbf, 0x40); |
| 711 | msleep(10); |
| 712 | } |
| 713 | if (i == retries) { |
| 714 | v4l2_dbg(1, debug, sd, "%s: failed to powerup the adv7511!\n", __func__); |
| 715 | adv7511_s_power(sd, 0); |
| 716 | return false; |
| 717 | } |
| 718 | if (i > 1) |
| 719 | v4l2_dbg(1, debug, sd, "%s: needed %d retries to powerup the adv7511\n", __func__, i); |
| 720 | |
| 721 | /* Reserved registers that must be set */ |
| 722 | adv7511_wr(sd, 0x98, 0x03); |
| 723 | adv7511_wr_and_or(sd, 0x9a, 0xfe, 0x70); |
| 724 | adv7511_wr(sd, 0x9c, 0x30); |
| 725 | adv7511_wr_and_or(sd, 0x9d, 0xfc, 0x01); |
| 726 | adv7511_wr(sd, 0xa2, 0xa4); |
| 727 | adv7511_wr(sd, 0xa3, 0xa4); |
| 728 | adv7511_wr(sd, 0xe0, 0xd0); |
| 729 | adv7511_wr(sd, 0xf9, 0x00); |
| 730 | |
| 731 | adv7511_wr(sd, 0x43, state->i2c_edid_addr); |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 732 | adv7511_wr(sd, 0x45, state->i2c_pktmem_addr); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 733 | |
| 734 | /* Set number of attempts to read the EDID */ |
| 735 | adv7511_wr(sd, 0xc9, 0xf); |
| 736 | return true; |
| 737 | } |
| 738 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 739 | #if IS_ENABLED(CONFIG_VIDEO_ADV7511_CEC) |
| 740 | static int adv7511_cec_adap_enable(struct cec_adapter *adap, bool enable) |
| 741 | { |
| 742 | struct adv7511_state *state = adap->priv; |
| 743 | struct v4l2_subdev *sd = &state->sd; |
| 744 | |
| 745 | if (state->i2c_cec == NULL) |
| 746 | return -EIO; |
| 747 | |
| 748 | if (!state->cec_enabled_adap && enable) { |
| 749 | /* power up cec section */ |
| 750 | adv7511_cec_write_and_or(sd, 0x4e, 0xfc, 0x01); |
| 751 | /* legacy mode and clear all rx buffers */ |
| 752 | adv7511_cec_write(sd, 0x4a, 0x07); |
| 753 | adv7511_cec_write(sd, 0x4a, 0); |
| 754 | adv7511_cec_write_and_or(sd, 0x11, 0xfe, 0); /* initially disable tx */ |
| 755 | /* enabled irqs: */ |
| 756 | /* tx: ready */ |
| 757 | /* tx: arbitration lost */ |
| 758 | /* tx: retry timeout */ |
| 759 | /* rx: ready 1 */ |
| 760 | if (state->enabled_irq) |
| 761 | adv7511_wr_and_or(sd, 0x95, 0xc0, 0x39); |
| 762 | } else if (state->cec_enabled_adap && !enable) { |
| 763 | if (state->enabled_irq) |
| 764 | adv7511_wr_and_or(sd, 0x95, 0xc0, 0x00); |
| 765 | /* disable address mask 1-3 */ |
| 766 | adv7511_cec_write_and_or(sd, 0x4b, 0x8f, 0x00); |
| 767 | /* power down cec section */ |
| 768 | adv7511_cec_write_and_or(sd, 0x4e, 0xfc, 0x00); |
| 769 | state->cec_valid_addrs = 0; |
| 770 | } |
| 771 | state->cec_enabled_adap = enable; |
| 772 | return 0; |
| 773 | } |
| 774 | |
| 775 | static int adv7511_cec_adap_log_addr(struct cec_adapter *adap, u8 addr) |
| 776 | { |
| 777 | struct adv7511_state *state = adap->priv; |
| 778 | struct v4l2_subdev *sd = &state->sd; |
| 779 | unsigned int i, free_idx = ADV7511_MAX_ADDRS; |
| 780 | |
| 781 | if (!state->cec_enabled_adap) |
| 782 | return addr == CEC_LOG_ADDR_INVALID ? 0 : -EIO; |
| 783 | |
| 784 | if (addr == CEC_LOG_ADDR_INVALID) { |
| 785 | adv7511_cec_write_and_or(sd, 0x4b, 0x8f, 0); |
| 786 | state->cec_valid_addrs = 0; |
| 787 | return 0; |
| 788 | } |
| 789 | |
| 790 | for (i = 0; i < ADV7511_MAX_ADDRS; i++) { |
| 791 | bool is_valid = state->cec_valid_addrs & (1 << i); |
| 792 | |
| 793 | if (free_idx == ADV7511_MAX_ADDRS && !is_valid) |
| 794 | free_idx = i; |
| 795 | if (is_valid && state->cec_addr[i] == addr) |
| 796 | return 0; |
| 797 | } |
| 798 | if (i == ADV7511_MAX_ADDRS) { |
| 799 | i = free_idx; |
| 800 | if (i == ADV7511_MAX_ADDRS) |
| 801 | return -ENXIO; |
| 802 | } |
| 803 | state->cec_addr[i] = addr; |
| 804 | state->cec_valid_addrs |= 1 << i; |
| 805 | |
| 806 | switch (i) { |
| 807 | case 0: |
| 808 | /* enable address mask 0 */ |
| 809 | adv7511_cec_write_and_or(sd, 0x4b, 0xef, 0x10); |
| 810 | /* set address for mask 0 */ |
| 811 | adv7511_cec_write_and_or(sd, 0x4c, 0xf0, addr); |
| 812 | break; |
| 813 | case 1: |
| 814 | /* enable address mask 1 */ |
| 815 | adv7511_cec_write_and_or(sd, 0x4b, 0xdf, 0x20); |
| 816 | /* set address for mask 1 */ |
| 817 | adv7511_cec_write_and_or(sd, 0x4c, 0x0f, addr << 4); |
| 818 | break; |
| 819 | case 2: |
| 820 | /* enable address mask 2 */ |
| 821 | adv7511_cec_write_and_or(sd, 0x4b, 0xbf, 0x40); |
| 822 | /* set address for mask 1 */ |
| 823 | adv7511_cec_write_and_or(sd, 0x4d, 0xf0, addr); |
| 824 | break; |
| 825 | } |
| 826 | return 0; |
| 827 | } |
| 828 | |
| 829 | static int adv7511_cec_adap_transmit(struct cec_adapter *adap, u8 attempts, |
| 830 | u32 signal_free_time, struct cec_msg *msg) |
| 831 | { |
| 832 | struct adv7511_state *state = adap->priv; |
| 833 | struct v4l2_subdev *sd = &state->sd; |
| 834 | u8 len = msg->len; |
| 835 | unsigned int i; |
| 836 | |
| 837 | v4l2_dbg(1, debug, sd, "%s: len %d\n", __func__, len); |
| 838 | |
| 839 | if (len > 16) { |
| 840 | v4l2_err(sd, "%s: len exceeded 16 (%d)\n", __func__, len); |
| 841 | return -EINVAL; |
| 842 | } |
| 843 | |
| 844 | /* |
| 845 | * The number of retries is the number of attempts - 1, but retry |
| 846 | * at least once. It's not clear if a value of 0 is allowed, so |
| 847 | * let's do at least one retry. |
| 848 | */ |
| 849 | adv7511_cec_write_and_or(sd, 0x12, ~0x70, max(1, attempts - 1) << 4); |
| 850 | |
| 851 | /* blocking, clear cec tx irq status */ |
| 852 | adv7511_wr_and_or(sd, 0x97, 0xc7, 0x38); |
| 853 | |
| 854 | /* write data */ |
| 855 | for (i = 0; i < len; i++) |
| 856 | adv7511_cec_write(sd, i, msg->msg[i]); |
| 857 | |
| 858 | /* set length (data + header) */ |
| 859 | adv7511_cec_write(sd, 0x10, len); |
| 860 | /* start transmit, enable tx */ |
| 861 | adv7511_cec_write(sd, 0x11, 0x01); |
| 862 | return 0; |
| 863 | } |
| 864 | |
| 865 | static void adv_cec_tx_raw_status(struct v4l2_subdev *sd, u8 tx_raw_status) |
| 866 | { |
| 867 | struct adv7511_state *state = get_adv7511_state(sd); |
| 868 | |
| 869 | if ((adv7511_cec_read(sd, 0x11) & 0x01) == 0) { |
| 870 | v4l2_dbg(1, debug, sd, "%s: tx raw: tx disabled\n", __func__); |
| 871 | return; |
| 872 | } |
| 873 | |
| 874 | if (tx_raw_status & 0x10) { |
| 875 | v4l2_dbg(1, debug, sd, |
| 876 | "%s: tx raw: arbitration lost\n", __func__); |
| 877 | cec_transmit_done(state->cec_adap, CEC_TX_STATUS_ARB_LOST, |
| 878 | 1, 0, 0, 0); |
| 879 | return; |
| 880 | } |
| 881 | if (tx_raw_status & 0x08) { |
| 882 | u8 status; |
| 883 | u8 nack_cnt; |
| 884 | u8 low_drive_cnt; |
| 885 | |
| 886 | v4l2_dbg(1, debug, sd, "%s: tx raw: retry failed\n", __func__); |
| 887 | /* |
| 888 | * We set this status bit since this hardware performs |
| 889 | * retransmissions. |
| 890 | */ |
| 891 | status = CEC_TX_STATUS_MAX_RETRIES; |
| 892 | nack_cnt = adv7511_cec_read(sd, 0x14) & 0xf; |
| 893 | if (nack_cnt) |
| 894 | status |= CEC_TX_STATUS_NACK; |
| 895 | low_drive_cnt = adv7511_cec_read(sd, 0x14) >> 4; |
| 896 | if (low_drive_cnt) |
| 897 | status |= CEC_TX_STATUS_LOW_DRIVE; |
| 898 | cec_transmit_done(state->cec_adap, status, |
| 899 | 0, nack_cnt, low_drive_cnt, 0); |
| 900 | return; |
| 901 | } |
| 902 | if (tx_raw_status & 0x20) { |
| 903 | v4l2_dbg(1, debug, sd, "%s: tx raw: ready ok\n", __func__); |
| 904 | cec_transmit_done(state->cec_adap, CEC_TX_STATUS_OK, 0, 0, 0, 0); |
| 905 | return; |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | static const struct cec_adap_ops adv7511_cec_adap_ops = { |
| 910 | .adap_enable = adv7511_cec_adap_enable, |
| 911 | .adap_log_addr = adv7511_cec_adap_log_addr, |
| 912 | .adap_transmit = adv7511_cec_adap_transmit, |
| 913 | }; |
| 914 | #endif |
| 915 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 916 | /* Enable interrupts */ |
| 917 | static void adv7511_set_isr(struct v4l2_subdev *sd, bool enable) |
| 918 | { |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 919 | struct adv7511_state *state = get_adv7511_state(sd); |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 920 | u8 irqs = MASK_ADV7511_HPD_INT | MASK_ADV7511_MSEN_INT; |
| 921 | u8 irqs_rd; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 922 | int retries = 100; |
| 923 | |
| 924 | v4l2_dbg(2, debug, sd, "%s: %s\n", __func__, enable ? "enable" : "disable"); |
| 925 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 926 | if (state->enabled_irq == enable) |
| 927 | return; |
| 928 | state->enabled_irq = enable; |
| 929 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 930 | /* The datasheet says that the EDID ready interrupt should be |
| 931 | disabled if there is no hotplug. */ |
| 932 | if (!enable) |
| 933 | irqs = 0; |
| 934 | else if (adv7511_have_hotplug(sd)) |
| 935 | irqs |= MASK_ADV7511_EDID_RDY_INT; |
| 936 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 937 | adv7511_wr_and_or(sd, 0x95, 0xc0, |
| 938 | (state->cec_enabled_adap && enable) ? 0x39 : 0x00); |
| 939 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 940 | /* |
| 941 | * This i2c write can fail (approx. 1 in 1000 writes). But it |
| 942 | * is essential that this register is correct, so retry it |
| 943 | * multiple times. |
| 944 | * |
| 945 | * Note that the i2c write does not report an error, but the readback |
| 946 | * clearly shows the wrong value. |
| 947 | */ |
| 948 | do { |
| 949 | adv7511_wr(sd, 0x94, irqs); |
| 950 | irqs_rd = adv7511_rd(sd, 0x94); |
| 951 | } while (retries-- && irqs_rd != irqs); |
| 952 | |
| 953 | if (irqs_rd == irqs) |
| 954 | return; |
| 955 | v4l2_err(sd, "Could not set interrupts: hw failure?\n"); |
| 956 | } |
| 957 | |
| 958 | /* Interrupt handler */ |
| 959 | static int adv7511_isr(struct v4l2_subdev *sd, u32 status, bool *handled) |
| 960 | { |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 961 | u8 irq_status; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 962 | u8 cec_irq; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 963 | |
| 964 | /* disable interrupts to prevent a race condition */ |
| 965 | adv7511_set_isr(sd, false); |
| 966 | irq_status = adv7511_rd(sd, 0x96); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 967 | cec_irq = adv7511_rd(sd, 0x97); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 968 | /* clear detected interrupts */ |
| 969 | adv7511_wr(sd, 0x96, irq_status); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 970 | adv7511_wr(sd, 0x97, cec_irq); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 971 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 972 | v4l2_dbg(1, debug, sd, "%s: irq 0x%x, cec-irq 0x%x\n", __func__, |
| 973 | irq_status, cec_irq); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 974 | |
| 975 | if (irq_status & (MASK_ADV7511_HPD_INT | MASK_ADV7511_MSEN_INT)) |
| 976 | adv7511_check_monitor_present_status(sd); |
| 977 | if (irq_status & MASK_ADV7511_EDID_RDY_INT) |
| 978 | adv7511_check_edid_status(sd); |
| 979 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 980 | #if IS_ENABLED(CONFIG_VIDEO_ADV7511_CEC) |
| 981 | if (cec_irq & 0x38) |
| 982 | adv_cec_tx_raw_status(sd, cec_irq); |
| 983 | |
| 984 | if (cec_irq & 1) { |
| 985 | struct adv7511_state *state = get_adv7511_state(sd); |
| 986 | struct cec_msg msg; |
| 987 | |
| 988 | msg.len = adv7511_cec_read(sd, 0x25) & 0x1f; |
| 989 | |
| 990 | v4l2_dbg(1, debug, sd, "%s: cec msg len %d\n", __func__, |
| 991 | msg.len); |
| 992 | |
| 993 | if (msg.len > 16) |
| 994 | msg.len = 16; |
| 995 | |
| 996 | if (msg.len) { |
| 997 | u8 i; |
| 998 | |
| 999 | for (i = 0; i < msg.len; i++) |
| 1000 | msg.msg[i] = adv7511_cec_read(sd, i + 0x15); |
| 1001 | |
| 1002 | adv7511_cec_write(sd, 0x4a, 1); /* toggle to re-enable rx 1 */ |
| 1003 | adv7511_cec_write(sd, 0x4a, 0); |
| 1004 | cec_received_msg(state->cec_adap, &msg); |
| 1005 | } |
| 1006 | } |
| 1007 | #endif |
| 1008 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1009 | /* enable interrupts */ |
| 1010 | adv7511_set_isr(sd, true); |
| 1011 | |
| 1012 | if (handled) |
| 1013 | *handled = true; |
| 1014 | return 0; |
| 1015 | } |
| 1016 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1017 | static const struct v4l2_subdev_core_ops adv7511_core_ops = { |
| 1018 | .log_status = adv7511_log_status, |
| 1019 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 1020 | .g_register = adv7511_g_register, |
| 1021 | .s_register = adv7511_s_register, |
| 1022 | #endif |
| 1023 | .s_power = adv7511_s_power, |
| 1024 | .interrupt_service_routine = adv7511_isr, |
| 1025 | }; |
| 1026 | |
| 1027 | /* ------------------------------ VIDEO OPS ------------------------------ */ |
| 1028 | |
| 1029 | /* Enable/disable adv7511 output */ |
| 1030 | static int adv7511_s_stream(struct v4l2_subdev *sd, int enable) |
| 1031 | { |
| 1032 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1033 | |
| 1034 | v4l2_dbg(1, debug, sd, "%s: %sable\n", __func__, (enable ? "en" : "dis")); |
| 1035 | adv7511_wr_and_or(sd, 0xa1, ~0x3c, (enable ? 0 : 0x3c)); |
| 1036 | if (enable) { |
| 1037 | adv7511_check_monitor_present_status(sd); |
| 1038 | } else { |
| 1039 | adv7511_s_power(sd, 0); |
| 1040 | state->have_monitor = false; |
| 1041 | } |
| 1042 | return 0; |
| 1043 | } |
| 1044 | |
| 1045 | static int adv7511_s_dv_timings(struct v4l2_subdev *sd, |
| 1046 | struct v4l2_dv_timings *timings) |
| 1047 | { |
| 1048 | struct adv7511_state *state = get_adv7511_state(sd); |
Hans Verkuil | bd3276a | 2016-07-17 06:02:51 -0300 | [diff] [blame] | 1049 | struct v4l2_bt_timings *bt = &timings->bt; |
| 1050 | u32 fps; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1051 | |
| 1052 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
| 1053 | |
| 1054 | /* quick sanity check */ |
| 1055 | if (!v4l2_valid_dv_timings(timings, &adv7511_timings_cap, NULL, NULL)) |
| 1056 | return -EINVAL; |
| 1057 | |
| 1058 | /* Fill the optional fields .standards and .flags in struct v4l2_dv_timings |
| 1059 | if the format is one of the CEA or DMT timings. */ |
| 1060 | v4l2_find_dv_timings_cap(timings, &adv7511_timings_cap, 0, NULL, NULL); |
| 1061 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1062 | /* save timings */ |
| 1063 | state->dv_timings = *timings; |
| 1064 | |
Hans Verkuil | 65898fb | 2016-07-05 07:16:23 -0300 | [diff] [blame] | 1065 | /* set h/vsync polarities */ |
| 1066 | adv7511_wr_and_or(sd, 0x17, 0x9f, |
Hans Verkuil | bd3276a | 2016-07-17 06:02:51 -0300 | [diff] [blame] | 1067 | ((bt->polarities & V4L2_DV_VSYNC_POS_POL) ? 0 : 0x40) | |
| 1068 | ((bt->polarities & V4L2_DV_HSYNC_POS_POL) ? 0 : 0x20)); |
| 1069 | |
| 1070 | fps = (u32)bt->pixelclock / (V4L2_DV_BT_FRAME_WIDTH(bt) * V4L2_DV_BT_FRAME_HEIGHT(bt)); |
| 1071 | switch (fps) { |
| 1072 | case 24: |
| 1073 | adv7511_wr_and_or(sd, 0xfb, 0xf9, 1 << 1); |
| 1074 | break; |
| 1075 | case 25: |
| 1076 | adv7511_wr_and_or(sd, 0xfb, 0xf9, 2 << 1); |
| 1077 | break; |
| 1078 | case 30: |
| 1079 | adv7511_wr_and_or(sd, 0xfb, 0xf9, 3 << 1); |
| 1080 | break; |
| 1081 | default: |
| 1082 | adv7511_wr_and_or(sd, 0xfb, 0xf9, 0); |
| 1083 | break; |
| 1084 | } |
Hans Verkuil | 65898fb | 2016-07-05 07:16:23 -0300 | [diff] [blame] | 1085 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1086 | /* update quantization range based on new dv_timings */ |
| 1087 | adv7511_set_rgb_quantization_mode(sd, state->rgb_quantization_range_ctrl); |
| 1088 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1089 | return 0; |
| 1090 | } |
| 1091 | |
| 1092 | static int adv7511_g_dv_timings(struct v4l2_subdev *sd, |
| 1093 | struct v4l2_dv_timings *timings) |
| 1094 | { |
| 1095 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1096 | |
| 1097 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
| 1098 | |
| 1099 | if (!timings) |
| 1100 | return -EINVAL; |
| 1101 | |
| 1102 | *timings = state->dv_timings; |
| 1103 | |
| 1104 | return 0; |
| 1105 | } |
| 1106 | |
| 1107 | static int adv7511_enum_dv_timings(struct v4l2_subdev *sd, |
| 1108 | struct v4l2_enum_dv_timings *timings) |
| 1109 | { |
Laurent Pinchart | 9646171 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1110 | if (timings->pad != 0) |
| 1111 | return -EINVAL; |
| 1112 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1113 | return v4l2_enum_dv_timings_cap(timings, &adv7511_timings_cap, NULL, NULL); |
| 1114 | } |
| 1115 | |
| 1116 | static int adv7511_dv_timings_cap(struct v4l2_subdev *sd, |
| 1117 | struct v4l2_dv_timings_cap *cap) |
| 1118 | { |
Laurent Pinchart | 9646171 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1119 | if (cap->pad != 0) |
| 1120 | return -EINVAL; |
| 1121 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1122 | *cap = adv7511_timings_cap; |
| 1123 | return 0; |
| 1124 | } |
| 1125 | |
| 1126 | static const struct v4l2_subdev_video_ops adv7511_video_ops = { |
| 1127 | .s_stream = adv7511_s_stream, |
| 1128 | .s_dv_timings = adv7511_s_dv_timings, |
| 1129 | .g_dv_timings = adv7511_g_dv_timings, |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1130 | }; |
| 1131 | |
| 1132 | /* ------------------------------ AUDIO OPS ------------------------------ */ |
| 1133 | static int adv7511_s_audio_stream(struct v4l2_subdev *sd, int enable) |
| 1134 | { |
| 1135 | v4l2_dbg(1, debug, sd, "%s: %sable\n", __func__, (enable ? "en" : "dis")); |
| 1136 | |
| 1137 | if (enable) |
| 1138 | adv7511_wr_and_or(sd, 0x4b, 0x3f, 0x80); |
| 1139 | else |
| 1140 | adv7511_wr_and_or(sd, 0x4b, 0x3f, 0x40); |
| 1141 | |
| 1142 | return 0; |
| 1143 | } |
| 1144 | |
| 1145 | static int adv7511_s_clock_freq(struct v4l2_subdev *sd, u32 freq) |
| 1146 | { |
| 1147 | u32 N; |
| 1148 | |
| 1149 | switch (freq) { |
| 1150 | case 32000: N = 4096; break; |
| 1151 | case 44100: N = 6272; break; |
| 1152 | case 48000: N = 6144; break; |
| 1153 | case 88200: N = 12544; break; |
| 1154 | case 96000: N = 12288; break; |
| 1155 | case 176400: N = 25088; break; |
| 1156 | case 192000: N = 24576; break; |
| 1157 | default: |
| 1158 | return -EINVAL; |
| 1159 | } |
| 1160 | |
| 1161 | /* Set N (used with CTS to regenerate the audio clock) */ |
| 1162 | adv7511_wr(sd, 0x01, (N >> 16) & 0xf); |
| 1163 | adv7511_wr(sd, 0x02, (N >> 8) & 0xff); |
| 1164 | adv7511_wr(sd, 0x03, N & 0xff); |
| 1165 | |
| 1166 | return 0; |
| 1167 | } |
| 1168 | |
| 1169 | static int adv7511_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq) |
| 1170 | { |
| 1171 | u32 i2s_sf; |
| 1172 | |
| 1173 | switch (freq) { |
| 1174 | case 32000: i2s_sf = 0x30; break; |
| 1175 | case 44100: i2s_sf = 0x00; break; |
| 1176 | case 48000: i2s_sf = 0x20; break; |
| 1177 | case 88200: i2s_sf = 0x80; break; |
| 1178 | case 96000: i2s_sf = 0xa0; break; |
| 1179 | case 176400: i2s_sf = 0xc0; break; |
| 1180 | case 192000: i2s_sf = 0xe0; break; |
| 1181 | default: |
| 1182 | return -EINVAL; |
| 1183 | } |
| 1184 | |
| 1185 | /* Set sampling frequency for I2S audio to 48 kHz */ |
| 1186 | adv7511_wr_and_or(sd, 0x15, 0xf, i2s_sf); |
| 1187 | |
| 1188 | return 0; |
| 1189 | } |
| 1190 | |
| 1191 | static int adv7511_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) |
| 1192 | { |
| 1193 | /* Only 2 channels in use for application */ |
| 1194 | adv7511_wr_and_or(sd, 0x73, 0xf8, 0x1); |
| 1195 | /* Speaker mapping */ |
| 1196 | adv7511_wr(sd, 0x76, 0x00); |
| 1197 | |
| 1198 | /* 16 bit audio word length */ |
| 1199 | adv7511_wr_and_or(sd, 0x14, 0xf0, 0x02); |
| 1200 | |
| 1201 | return 0; |
| 1202 | } |
| 1203 | |
| 1204 | static const struct v4l2_subdev_audio_ops adv7511_audio_ops = { |
| 1205 | .s_stream = adv7511_s_audio_stream, |
| 1206 | .s_clock_freq = adv7511_s_clock_freq, |
| 1207 | .s_i2s_clock_freq = adv7511_s_i2s_clock_freq, |
| 1208 | .s_routing = adv7511_s_routing, |
| 1209 | }; |
| 1210 | |
Laurent Pinchart | 9646171 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1211 | /* ---------------------------- PAD OPS ------------------------------------- */ |
| 1212 | |
| 1213 | static int adv7511_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid) |
| 1214 | { |
| 1215 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1216 | |
Hans Verkuil | c81285a | 2014-11-07 09:34:56 -0300 | [diff] [blame] | 1217 | memset(edid->reserved, 0, sizeof(edid->reserved)); |
| 1218 | |
Laurent Pinchart | 9646171 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1219 | if (edid->pad != 0) |
| 1220 | return -EINVAL; |
Hans Verkuil | c81285a | 2014-11-07 09:34:56 -0300 | [diff] [blame] | 1221 | |
| 1222 | if (edid->start_block == 0 && edid->blocks == 0) { |
| 1223 | edid->blocks = state->edid.segments * 2; |
| 1224 | return 0; |
Laurent Pinchart | 9646171 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1225 | } |
Hans Verkuil | c81285a | 2014-11-07 09:34:56 -0300 | [diff] [blame] | 1226 | |
| 1227 | if (state->edid.segments == 0) |
| 1228 | return -ENODATA; |
| 1229 | |
Laurent Pinchart | 9646171 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1230 | if (edid->start_block >= state->edid.segments * 2) |
Hans Verkuil | c81285a | 2014-11-07 09:34:56 -0300 | [diff] [blame] | 1231 | return -EINVAL; |
| 1232 | |
| 1233 | if (edid->start_block + edid->blocks > state->edid.segments * 2) |
Laurent Pinchart | 9646171 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1234 | edid->blocks = state->edid.segments * 2 - edid->start_block; |
| 1235 | |
| 1236 | memcpy(edid->edid, &state->edid.data[edid->start_block * 128], |
| 1237 | 128 * edid->blocks); |
Hans Verkuil | c81285a | 2014-11-07 09:34:56 -0300 | [diff] [blame] | 1238 | |
Laurent Pinchart | 9646171 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1239 | return 0; |
| 1240 | } |
| 1241 | |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1242 | static int adv7511_enum_mbus_code(struct v4l2_subdev *sd, |
Hans Verkuil | f723413 | 2015-03-04 01:47:54 -0800 | [diff] [blame] | 1243 | struct v4l2_subdev_pad_config *cfg, |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1244 | struct v4l2_subdev_mbus_code_enum *code) |
| 1245 | { |
| 1246 | if (code->pad != 0) |
| 1247 | return -EINVAL; |
| 1248 | |
| 1249 | switch (code->index) { |
| 1250 | case 0: |
| 1251 | code->code = MEDIA_BUS_FMT_RGB888_1X24; |
| 1252 | break; |
| 1253 | case 1: |
| 1254 | code->code = MEDIA_BUS_FMT_YUYV8_1X16; |
| 1255 | break; |
| 1256 | case 2: |
| 1257 | code->code = MEDIA_BUS_FMT_UYVY8_1X16; |
| 1258 | break; |
| 1259 | default: |
| 1260 | return -EINVAL; |
| 1261 | } |
| 1262 | return 0; |
| 1263 | } |
| 1264 | |
| 1265 | static void adv7511_fill_format(struct adv7511_state *state, |
| 1266 | struct v4l2_mbus_framefmt *format) |
| 1267 | { |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1268 | format->width = state->dv_timings.bt.width; |
| 1269 | format->height = state->dv_timings.bt.height; |
| 1270 | format->field = V4L2_FIELD_NONE; |
| 1271 | } |
| 1272 | |
Hans Verkuil | f723413 | 2015-03-04 01:47:54 -0800 | [diff] [blame] | 1273 | static int adv7511_get_fmt(struct v4l2_subdev *sd, |
| 1274 | struct v4l2_subdev_pad_config *cfg, |
| 1275 | struct v4l2_subdev_format *format) |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1276 | { |
| 1277 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1278 | |
| 1279 | if (format->pad != 0) |
| 1280 | return -EINVAL; |
| 1281 | |
Hans Verkuil | 0a25a01 | 2016-06-28 11:32:36 -0300 | [diff] [blame] | 1282 | memset(&format->format, 0, sizeof(format->format)); |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1283 | adv7511_fill_format(state, &format->format); |
| 1284 | |
| 1285 | if (format->which == V4L2_SUBDEV_FORMAT_TRY) { |
| 1286 | struct v4l2_mbus_framefmt *fmt; |
| 1287 | |
Hans Verkuil | f723413 | 2015-03-04 01:47:54 -0800 | [diff] [blame] | 1288 | fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1289 | format->format.code = fmt->code; |
| 1290 | format->format.colorspace = fmt->colorspace; |
| 1291 | format->format.ycbcr_enc = fmt->ycbcr_enc; |
| 1292 | format->format.quantization = fmt->quantization; |
Hans Verkuil | e719a51 | 2015-04-28 09:40:30 -0300 | [diff] [blame] | 1293 | format->format.xfer_func = fmt->xfer_func; |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1294 | } else { |
| 1295 | format->format.code = state->fmt_code; |
| 1296 | format->format.colorspace = state->colorspace; |
| 1297 | format->format.ycbcr_enc = state->ycbcr_enc; |
| 1298 | format->format.quantization = state->quantization; |
Hans Verkuil | e719a51 | 2015-04-28 09:40:30 -0300 | [diff] [blame] | 1299 | format->format.xfer_func = state->xfer_func; |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1300 | } |
| 1301 | |
| 1302 | return 0; |
| 1303 | } |
| 1304 | |
Hans Verkuil | f723413 | 2015-03-04 01:47:54 -0800 | [diff] [blame] | 1305 | static int adv7511_set_fmt(struct v4l2_subdev *sd, |
| 1306 | struct v4l2_subdev_pad_config *cfg, |
| 1307 | struct v4l2_subdev_format *format) |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1308 | { |
| 1309 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1310 | /* |
| 1311 | * Bitfield namings come the CEA-861-F standard, table 8 "Auxiliary |
| 1312 | * Video Information (AVI) InfoFrame Format" |
| 1313 | * |
| 1314 | * c = Colorimetry |
| 1315 | * ec = Extended Colorimetry |
| 1316 | * y = RGB or YCbCr |
| 1317 | * q = RGB Quantization Range |
| 1318 | * yq = YCC Quantization Range |
| 1319 | */ |
| 1320 | u8 c = HDMI_COLORIMETRY_NONE; |
| 1321 | u8 ec = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; |
| 1322 | u8 y = HDMI_COLORSPACE_RGB; |
| 1323 | u8 q = HDMI_QUANTIZATION_RANGE_DEFAULT; |
| 1324 | u8 yq = HDMI_YCC_QUANTIZATION_RANGE_LIMITED; |
Hans Verkuil | df0e577 | 2016-01-27 11:31:43 -0200 | [diff] [blame] | 1325 | u8 itc = state->content_type != V4L2_DV_IT_CONTENT_TYPE_NO_ITC; |
| 1326 | u8 cn = itc ? state->content_type : V4L2_DV_IT_CONTENT_TYPE_GRAPHICS; |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1327 | |
| 1328 | if (format->pad != 0) |
| 1329 | return -EINVAL; |
| 1330 | switch (format->format.code) { |
| 1331 | case MEDIA_BUS_FMT_UYVY8_1X16: |
| 1332 | case MEDIA_BUS_FMT_YUYV8_1X16: |
| 1333 | case MEDIA_BUS_FMT_RGB888_1X24: |
| 1334 | break; |
| 1335 | default: |
| 1336 | return -EINVAL; |
| 1337 | } |
| 1338 | |
| 1339 | adv7511_fill_format(state, &format->format); |
| 1340 | if (format->which == V4L2_SUBDEV_FORMAT_TRY) { |
| 1341 | struct v4l2_mbus_framefmt *fmt; |
| 1342 | |
Hans Verkuil | f723413 | 2015-03-04 01:47:54 -0800 | [diff] [blame] | 1343 | fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1344 | fmt->code = format->format.code; |
| 1345 | fmt->colorspace = format->format.colorspace; |
| 1346 | fmt->ycbcr_enc = format->format.ycbcr_enc; |
| 1347 | fmt->quantization = format->format.quantization; |
Hans Verkuil | e719a51 | 2015-04-28 09:40:30 -0300 | [diff] [blame] | 1348 | fmt->xfer_func = format->format.xfer_func; |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1349 | return 0; |
| 1350 | } |
| 1351 | |
| 1352 | switch (format->format.code) { |
| 1353 | case MEDIA_BUS_FMT_UYVY8_1X16: |
| 1354 | adv7511_wr_and_or(sd, 0x15, 0xf0, 0x01); |
| 1355 | adv7511_wr_and_or(sd, 0x16, 0x03, 0xb8); |
| 1356 | y = HDMI_COLORSPACE_YUV422; |
| 1357 | break; |
| 1358 | case MEDIA_BUS_FMT_YUYV8_1X16: |
| 1359 | adv7511_wr_and_or(sd, 0x15, 0xf0, 0x01); |
| 1360 | adv7511_wr_and_or(sd, 0x16, 0x03, 0xbc); |
| 1361 | y = HDMI_COLORSPACE_YUV422; |
| 1362 | break; |
| 1363 | case MEDIA_BUS_FMT_RGB888_1X24: |
| 1364 | default: |
| 1365 | adv7511_wr_and_or(sd, 0x15, 0xf0, 0x00); |
| 1366 | adv7511_wr_and_or(sd, 0x16, 0x03, 0x00); |
| 1367 | break; |
| 1368 | } |
| 1369 | state->fmt_code = format->format.code; |
| 1370 | state->colorspace = format->format.colorspace; |
| 1371 | state->ycbcr_enc = format->format.ycbcr_enc; |
| 1372 | state->quantization = format->format.quantization; |
Hans Verkuil | e719a51 | 2015-04-28 09:40:30 -0300 | [diff] [blame] | 1373 | state->xfer_func = format->format.xfer_func; |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1374 | |
| 1375 | switch (format->format.colorspace) { |
| 1376 | case V4L2_COLORSPACE_ADOBERGB: |
| 1377 | c = HDMI_COLORIMETRY_EXTENDED; |
| 1378 | ec = y ? HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601 : |
| 1379 | HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB; |
| 1380 | break; |
| 1381 | case V4L2_COLORSPACE_SMPTE170M: |
| 1382 | c = y ? HDMI_COLORIMETRY_ITU_601 : HDMI_COLORIMETRY_NONE; |
| 1383 | if (y && format->format.ycbcr_enc == V4L2_YCBCR_ENC_XV601) { |
| 1384 | c = HDMI_COLORIMETRY_EXTENDED; |
| 1385 | ec = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; |
| 1386 | } |
| 1387 | break; |
| 1388 | case V4L2_COLORSPACE_REC709: |
| 1389 | c = y ? HDMI_COLORIMETRY_ITU_709 : HDMI_COLORIMETRY_NONE; |
| 1390 | if (y && format->format.ycbcr_enc == V4L2_YCBCR_ENC_XV709) { |
| 1391 | c = HDMI_COLORIMETRY_EXTENDED; |
| 1392 | ec = HDMI_EXTENDED_COLORIMETRY_XV_YCC_709; |
| 1393 | } |
| 1394 | break; |
| 1395 | case V4L2_COLORSPACE_SRGB: |
| 1396 | c = y ? HDMI_COLORIMETRY_EXTENDED : HDMI_COLORIMETRY_NONE; |
| 1397 | ec = y ? HDMI_EXTENDED_COLORIMETRY_S_YCC_601 : |
| 1398 | HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; |
| 1399 | break; |
| 1400 | case V4L2_COLORSPACE_BT2020: |
| 1401 | c = HDMI_COLORIMETRY_EXTENDED; |
| 1402 | if (y && format->format.ycbcr_enc == V4L2_YCBCR_ENC_BT2020_CONST_LUM) |
| 1403 | ec = 5; /* Not yet available in hdmi.h */ |
| 1404 | else |
| 1405 | ec = 6; /* Not yet available in hdmi.h */ |
| 1406 | break; |
| 1407 | default: |
| 1408 | break; |
| 1409 | } |
| 1410 | |
| 1411 | /* |
| 1412 | * CEA-861-F says that for RGB formats the YCC range must match the |
| 1413 | * RGB range, although sources should ignore the YCC range. |
| 1414 | * |
| 1415 | * The RGB quantization range shouldn't be non-zero if the EDID doesn't |
| 1416 | * have the Q bit set in the Video Capabilities Data Block, however this |
| 1417 | * isn't checked at the moment. The assumption is that the application |
| 1418 | * knows the EDID and can detect this. |
| 1419 | * |
| 1420 | * The same is true for the YCC quantization range: non-standard YCC |
| 1421 | * quantization ranges should only be sent if the EDID has the YQ bit |
| 1422 | * set in the Video Capabilities Data Block. |
| 1423 | */ |
| 1424 | switch (format->format.quantization) { |
| 1425 | case V4L2_QUANTIZATION_FULL_RANGE: |
| 1426 | q = y ? HDMI_QUANTIZATION_RANGE_DEFAULT : |
| 1427 | HDMI_QUANTIZATION_RANGE_FULL; |
| 1428 | yq = q ? q - 1 : HDMI_YCC_QUANTIZATION_RANGE_FULL; |
| 1429 | break; |
| 1430 | case V4L2_QUANTIZATION_LIM_RANGE: |
| 1431 | q = y ? HDMI_QUANTIZATION_RANGE_DEFAULT : |
| 1432 | HDMI_QUANTIZATION_RANGE_LIMITED; |
| 1433 | yq = q ? q - 1 : HDMI_YCC_QUANTIZATION_RANGE_LIMITED; |
| 1434 | break; |
| 1435 | } |
| 1436 | |
| 1437 | adv7511_wr_and_or(sd, 0x4a, 0xbf, 0); |
| 1438 | adv7511_wr_and_or(sd, 0x55, 0x9f, y << 5); |
| 1439 | adv7511_wr_and_or(sd, 0x56, 0x3f, c << 6); |
Hans Verkuil | df0e577 | 2016-01-27 11:31:43 -0200 | [diff] [blame] | 1440 | adv7511_wr_and_or(sd, 0x57, 0x83, (ec << 4) | (q << 2) | (itc << 7)); |
| 1441 | adv7511_wr_and_or(sd, 0x59, 0x0f, (yq << 6) | (cn << 4)); |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1442 | adv7511_wr_and_or(sd, 0x4a, 0xff, 1); |
Hans Verkuil | 0a25a01 | 2016-06-28 11:32:36 -0300 | [diff] [blame] | 1443 | adv7511_set_rgb_quantization_mode(sd, state->rgb_quantization_range_ctrl); |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1444 | |
| 1445 | return 0; |
| 1446 | } |
| 1447 | |
Laurent Pinchart | 9646171 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1448 | static const struct v4l2_subdev_pad_ops adv7511_pad_ops = { |
| 1449 | .get_edid = adv7511_get_edid, |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1450 | .enum_mbus_code = adv7511_enum_mbus_code, |
| 1451 | .get_fmt = adv7511_get_fmt, |
| 1452 | .set_fmt = adv7511_set_fmt, |
Laurent Pinchart | 9646171 | 2014-01-31 08:51:18 -0300 | [diff] [blame] | 1453 | .enum_dv_timings = adv7511_enum_dv_timings, |
| 1454 | .dv_timings_cap = adv7511_dv_timings_cap, |
| 1455 | }; |
| 1456 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1457 | /* --------------------- SUBDEV OPS --------------------------------------- */ |
| 1458 | |
| 1459 | static const struct v4l2_subdev_ops adv7511_ops = { |
| 1460 | .core = &adv7511_core_ops, |
| 1461 | .pad = &adv7511_pad_ops, |
| 1462 | .video = &adv7511_video_ops, |
| 1463 | .audio = &adv7511_audio_ops, |
| 1464 | }; |
| 1465 | |
| 1466 | /* ----------------------------------------------------------------------- */ |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 1467 | static void adv7511_dbg_dump_edid(int lvl, int debug, struct v4l2_subdev *sd, int segment, u8 *buf) |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1468 | { |
| 1469 | if (debug >= lvl) { |
| 1470 | int i, j; |
| 1471 | v4l2_dbg(lvl, debug, sd, "edid segment %d\n", segment); |
| 1472 | for (i = 0; i < 256; i += 16) { |
| 1473 | u8 b[128]; |
| 1474 | u8 *bp = b; |
| 1475 | if (i == 128) |
| 1476 | v4l2_dbg(lvl, debug, sd, "\n"); |
| 1477 | for (j = i; j < i + 16; j++) { |
| 1478 | sprintf(bp, "0x%02x, ", buf[j]); |
| 1479 | bp += 6; |
| 1480 | } |
| 1481 | bp[0] = '\0'; |
| 1482 | v4l2_dbg(lvl, debug, sd, "%s\n", b); |
| 1483 | } |
| 1484 | } |
| 1485 | } |
| 1486 | |
Hans Verkuil | b339a72 | 2016-02-10 09:32:25 -0200 | [diff] [blame] | 1487 | static void adv7511_notify_no_edid(struct v4l2_subdev *sd) |
| 1488 | { |
| 1489 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1490 | struct adv7511_edid_detect ed; |
| 1491 | |
| 1492 | /* We failed to read the EDID, so send an event for this. */ |
| 1493 | ed.present = false; |
| 1494 | ed.segment = adv7511_rd(sd, 0xc4); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1495 | ed.phys_addr = CEC_PHYS_ADDR_INVALID; |
| 1496 | cec_s_phys_addr(state->cec_adap, ed.phys_addr, false); |
Hans Verkuil | b339a72 | 2016-02-10 09:32:25 -0200 | [diff] [blame] | 1497 | v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed); |
| 1498 | v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x0); |
| 1499 | } |
| 1500 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1501 | static void adv7511_edid_handler(struct work_struct *work) |
| 1502 | { |
| 1503 | struct delayed_work *dwork = to_delayed_work(work); |
| 1504 | struct adv7511_state *state = container_of(dwork, struct adv7511_state, edid_handler); |
| 1505 | struct v4l2_subdev *sd = &state->sd; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1506 | |
| 1507 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
| 1508 | |
| 1509 | if (adv7511_check_edid_status(sd)) { |
| 1510 | /* Return if we received the EDID. */ |
| 1511 | return; |
| 1512 | } |
| 1513 | |
| 1514 | if (adv7511_have_hotplug(sd)) { |
| 1515 | /* We must retry reading the EDID several times, it is possible |
| 1516 | * that initially the EDID couldn't be read due to i2c errors |
| 1517 | * (DVI connectors are particularly prone to this problem). */ |
| 1518 | if (state->edid.read_retries) { |
| 1519 | state->edid.read_retries--; |
| 1520 | v4l2_dbg(1, debug, sd, "%s: edid read failed\n", __func__); |
| 1521 | state->have_monitor = false; |
| 1522 | adv7511_s_power(sd, false); |
| 1523 | adv7511_s_power(sd, true); |
| 1524 | queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY); |
| 1525 | return; |
| 1526 | } |
| 1527 | } |
| 1528 | |
| 1529 | /* We failed to read the EDID, so send an event for this. */ |
Hans Verkuil | b339a72 | 2016-02-10 09:32:25 -0200 | [diff] [blame] | 1530 | adv7511_notify_no_edid(sd); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1531 | v4l2_dbg(1, debug, sd, "%s: no edid found\n", __func__); |
| 1532 | } |
| 1533 | |
| 1534 | static void adv7511_audio_setup(struct v4l2_subdev *sd) |
| 1535 | { |
| 1536 | v4l2_dbg(1, debug, sd, "%s\n", __func__); |
| 1537 | |
| 1538 | adv7511_s_i2s_clock_freq(sd, 48000); |
| 1539 | adv7511_s_clock_freq(sd, 48000); |
| 1540 | adv7511_s_routing(sd, 0, 0, 0); |
| 1541 | } |
| 1542 | |
| 1543 | /* Configure hdmi transmitter. */ |
| 1544 | static void adv7511_setup(struct v4l2_subdev *sd) |
| 1545 | { |
| 1546 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1547 | v4l2_dbg(1, debug, sd, "%s\n", __func__); |
| 1548 | |
| 1549 | /* Input format: RGB 4:4:4 */ |
| 1550 | adv7511_wr_and_or(sd, 0x15, 0xf0, 0x0); |
| 1551 | /* Output format: RGB 4:4:4 */ |
| 1552 | adv7511_wr_and_or(sd, 0x16, 0x7f, 0x0); |
| 1553 | /* 1st order interpolation 4:2:2 -> 4:4:4 up conversion, Aspect ratio: 16:9 */ |
| 1554 | adv7511_wr_and_or(sd, 0x17, 0xf9, 0x06); |
| 1555 | /* Disable pixel repetition */ |
| 1556 | adv7511_wr_and_or(sd, 0x3b, 0x9f, 0x0); |
| 1557 | /* Disable CSC */ |
| 1558 | adv7511_wr_and_or(sd, 0x18, 0x7f, 0x0); |
| 1559 | /* Output format: RGB 4:4:4, Active Format Information is valid, |
| 1560 | * underscanned */ |
| 1561 | adv7511_wr_and_or(sd, 0x55, 0x9c, 0x12); |
| 1562 | /* AVI Info frame packet enable, Audio Info frame disable */ |
| 1563 | adv7511_wr_and_or(sd, 0x44, 0xe7, 0x10); |
| 1564 | /* Colorimetry, Active format aspect ratio: same as picure. */ |
| 1565 | adv7511_wr(sd, 0x56, 0xa8); |
| 1566 | /* No encryption */ |
| 1567 | adv7511_wr_and_or(sd, 0xaf, 0xed, 0x0); |
| 1568 | |
| 1569 | /* Positive clk edge capture for input video clock */ |
| 1570 | adv7511_wr_and_or(sd, 0xba, 0x1f, 0x60); |
| 1571 | |
| 1572 | adv7511_audio_setup(sd); |
| 1573 | |
| 1574 | v4l2_ctrl_handler_setup(&state->hdl); |
| 1575 | } |
| 1576 | |
| 1577 | static void adv7511_notify_monitor_detect(struct v4l2_subdev *sd) |
| 1578 | { |
| 1579 | struct adv7511_monitor_detect mdt; |
| 1580 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1581 | |
| 1582 | mdt.present = state->have_monitor; |
| 1583 | v4l2_subdev_notify(sd, ADV7511_MONITOR_DETECT, (void *)&mdt); |
| 1584 | } |
| 1585 | |
| 1586 | static void adv7511_check_monitor_present_status(struct v4l2_subdev *sd) |
| 1587 | { |
| 1588 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1589 | /* read hotplug and rx-sense state */ |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 1590 | u8 status = adv7511_rd(sd, 0x42); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1591 | |
| 1592 | v4l2_dbg(1, debug, sd, "%s: status: 0x%x%s%s\n", |
| 1593 | __func__, |
| 1594 | status, |
| 1595 | status & MASK_ADV7511_HPD_DETECT ? ", hotplug" : "", |
| 1596 | status & MASK_ADV7511_MSEN_DETECT ? ", rx-sense" : ""); |
| 1597 | |
| 1598 | /* update read only ctrls */ |
| 1599 | v4l2_ctrl_s_ctrl(state->hotplug_ctrl, adv7511_have_hotplug(sd) ? 0x1 : 0x0); |
| 1600 | v4l2_ctrl_s_ctrl(state->rx_sense_ctrl, adv7511_have_rx_sense(sd) ? 0x1 : 0x0); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1601 | |
| 1602 | if ((status & MASK_ADV7511_HPD_DETECT) && ((status & MASK_ADV7511_MSEN_DETECT) || state->edid.segments)) { |
| 1603 | v4l2_dbg(1, debug, sd, "%s: hotplug and (rx-sense or edid)\n", __func__); |
| 1604 | if (!state->have_monitor) { |
| 1605 | v4l2_dbg(1, debug, sd, "%s: monitor detected\n", __func__); |
| 1606 | state->have_monitor = true; |
| 1607 | adv7511_set_isr(sd, true); |
| 1608 | if (!adv7511_s_power(sd, true)) { |
| 1609 | v4l2_dbg(1, debug, sd, "%s: monitor detected, powerup failed\n", __func__); |
| 1610 | return; |
| 1611 | } |
| 1612 | adv7511_setup(sd); |
| 1613 | adv7511_notify_monitor_detect(sd); |
| 1614 | state->edid.read_retries = EDID_MAX_RETRIES; |
| 1615 | queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY); |
| 1616 | } |
| 1617 | } else if (status & MASK_ADV7511_HPD_DETECT) { |
| 1618 | v4l2_dbg(1, debug, sd, "%s: hotplug detected\n", __func__); |
| 1619 | state->edid.read_retries = EDID_MAX_RETRIES; |
| 1620 | queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY); |
| 1621 | } else if (!(status & MASK_ADV7511_HPD_DETECT)) { |
| 1622 | v4l2_dbg(1, debug, sd, "%s: hotplug not detected\n", __func__); |
| 1623 | if (state->have_monitor) { |
| 1624 | v4l2_dbg(1, debug, sd, "%s: monitor not detected\n", __func__); |
| 1625 | state->have_monitor = false; |
| 1626 | adv7511_notify_monitor_detect(sd); |
| 1627 | } |
| 1628 | adv7511_s_power(sd, false); |
| 1629 | memset(&state->edid, 0, sizeof(struct adv7511_state_edid)); |
Hans Verkuil | b339a72 | 2016-02-10 09:32:25 -0200 | [diff] [blame] | 1630 | adv7511_notify_no_edid(sd); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1631 | } |
| 1632 | } |
| 1633 | |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 1634 | static bool edid_block_verify_crc(u8 *edid_block) |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1635 | { |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 1636 | u8 sum = 0; |
Martin Bugge | 928b0fe | 2013-12-17 09:17:10 -0300 | [diff] [blame] | 1637 | int i; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1638 | |
| 1639 | for (i = 0; i < 128; i++) |
Martin Bugge | 928b0fe | 2013-12-17 09:17:10 -0300 | [diff] [blame] | 1640 | sum += edid_block[i]; |
| 1641 | return sum == 0; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1642 | } |
| 1643 | |
Martin Bugge | 928b0fe | 2013-12-17 09:17:10 -0300 | [diff] [blame] | 1644 | static bool edid_verify_crc(struct v4l2_subdev *sd, u32 segment) |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1645 | { |
| 1646 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1647 | u32 blocks = state->edid.blocks; |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 1648 | u8 *data = state->edid.data; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1649 | |
Martin Bugge | 928b0fe | 2013-12-17 09:17:10 -0300 | [diff] [blame] | 1650 | if (!edid_block_verify_crc(&data[segment * 256])) |
| 1651 | return false; |
| 1652 | if ((segment + 1) * 2 <= blocks) |
| 1653 | return edid_block_verify_crc(&data[segment * 256 + 128]); |
| 1654 | return true; |
| 1655 | } |
| 1656 | |
| 1657 | static bool edid_verify_header(struct v4l2_subdev *sd, u32 segment) |
| 1658 | { |
| 1659 | static const u8 hdmi_header[] = { |
| 1660 | 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 |
| 1661 | }; |
| 1662 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1663 | u8 *data = state->edid.data; |
| 1664 | |
| 1665 | if (segment != 0) |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1666 | return true; |
Martin Bugge | 928b0fe | 2013-12-17 09:17:10 -0300 | [diff] [blame] | 1667 | return !memcmp(data, hdmi_header, sizeof(hdmi_header)); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1668 | } |
| 1669 | |
| 1670 | static bool adv7511_check_edid_status(struct v4l2_subdev *sd) |
| 1671 | { |
| 1672 | struct adv7511_state *state = get_adv7511_state(sd); |
Hans Verkuil | 5be50ef | 2015-06-07 07:32:30 -0300 | [diff] [blame] | 1673 | u8 edidRdy = adv7511_rd(sd, 0xc5); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1674 | |
| 1675 | v4l2_dbg(1, debug, sd, "%s: edid ready (retries: %d)\n", |
| 1676 | __func__, EDID_MAX_RETRIES - state->edid.read_retries); |
| 1677 | |
| 1678 | if (state->edid.complete) |
| 1679 | return true; |
| 1680 | |
| 1681 | if (edidRdy & MASK_ADV7511_EDID_RDY) { |
| 1682 | int segment = adv7511_rd(sd, 0xc4); |
| 1683 | struct adv7511_edid_detect ed; |
| 1684 | |
| 1685 | if (segment >= EDID_MAX_SEGM) { |
| 1686 | v4l2_err(sd, "edid segment number too big\n"); |
| 1687 | return false; |
| 1688 | } |
| 1689 | v4l2_dbg(1, debug, sd, "%s: got segment %d\n", __func__, segment); |
| 1690 | adv7511_edid_rd(sd, 256, &state->edid.data[segment * 256]); |
| 1691 | adv7511_dbg_dump_edid(2, debug, sd, segment, &state->edid.data[segment * 256]); |
| 1692 | if (segment == 0) { |
| 1693 | state->edid.blocks = state->edid.data[0x7e] + 1; |
| 1694 | v4l2_dbg(1, debug, sd, "%s: %d blocks in total\n", __func__, state->edid.blocks); |
| 1695 | } |
Martin Bugge | 928b0fe | 2013-12-17 09:17:10 -0300 | [diff] [blame] | 1696 | if (!edid_verify_crc(sd, segment) || |
| 1697 | !edid_verify_header(sd, segment)) { |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1698 | /* edid crc error, force reread of edid segment */ |
Martin Bugge | 928b0fe | 2013-12-17 09:17:10 -0300 | [diff] [blame] | 1699 | v4l2_err(sd, "%s: edid crc or header error\n", __func__); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1700 | state->have_monitor = false; |
| 1701 | adv7511_s_power(sd, false); |
| 1702 | adv7511_s_power(sd, true); |
| 1703 | return false; |
| 1704 | } |
| 1705 | /* one more segment read ok */ |
| 1706 | state->edid.segments = segment + 1; |
Hans Verkuil | b339a72 | 2016-02-10 09:32:25 -0200 | [diff] [blame] | 1707 | v4l2_ctrl_s_ctrl(state->have_edid0_ctrl, 0x1); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1708 | if (((state->edid.data[0x7e] >> 1) + 1) > state->edid.segments) { |
| 1709 | /* Request next EDID segment */ |
| 1710 | v4l2_dbg(1, debug, sd, "%s: request segment %d\n", __func__, state->edid.segments); |
| 1711 | adv7511_wr(sd, 0xc9, 0xf); |
| 1712 | adv7511_wr(sd, 0xc4, state->edid.segments); |
| 1713 | state->edid.read_retries = EDID_MAX_RETRIES; |
| 1714 | queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY); |
| 1715 | return false; |
| 1716 | } |
| 1717 | |
| 1718 | v4l2_dbg(1, debug, sd, "%s: edid complete with %d segment(s)\n", __func__, state->edid.segments); |
| 1719 | state->edid.complete = true; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1720 | ed.phys_addr = cec_get_edid_phys_addr(state->edid.data, |
| 1721 | state->edid.segments * 256, |
| 1722 | NULL); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1723 | /* report when we have all segments |
| 1724 | but report only for segment 0 |
| 1725 | */ |
| 1726 | ed.present = true; |
| 1727 | ed.segment = 0; |
| 1728 | state->edid_detect_counter++; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1729 | cec_s_phys_addr(state->cec_adap, ed.phys_addr, false); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1730 | v4l2_subdev_notify(sd, ADV7511_EDID_DETECT, (void *)&ed); |
| 1731 | return ed.present; |
| 1732 | } |
| 1733 | |
| 1734 | return false; |
| 1735 | } |
| 1736 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1737 | static int adv7511_registered(struct v4l2_subdev *sd) |
| 1738 | { |
| 1739 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1740 | int err; |
| 1741 | |
| 1742 | err = cec_register_adapter(state->cec_adap); |
| 1743 | if (err) |
| 1744 | cec_delete_adapter(state->cec_adap); |
| 1745 | return err; |
| 1746 | } |
| 1747 | |
| 1748 | static void adv7511_unregistered(struct v4l2_subdev *sd) |
| 1749 | { |
| 1750 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1751 | |
| 1752 | cec_unregister_adapter(state->cec_adap); |
| 1753 | } |
| 1754 | |
| 1755 | static const struct v4l2_subdev_internal_ops adv7511_int_ops = { |
| 1756 | .registered = adv7511_registered, |
| 1757 | .unregistered = adv7511_unregistered, |
| 1758 | }; |
| 1759 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1760 | /* ----------------------------------------------------------------------- */ |
| 1761 | /* Setup ADV7511 */ |
| 1762 | static void adv7511_init_setup(struct v4l2_subdev *sd) |
| 1763 | { |
| 1764 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1765 | struct adv7511_state_edid *edid = &state->edid; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1766 | u32 cec_clk = state->pdata.cec_clk; |
| 1767 | u8 ratio; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1768 | |
| 1769 | v4l2_dbg(1, debug, sd, "%s\n", __func__); |
| 1770 | |
| 1771 | /* clear all interrupts */ |
| 1772 | adv7511_wr(sd, 0x96, 0xff); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1773 | adv7511_wr(sd, 0x97, 0xff); |
Martin Bugge | a62c621 | 2013-12-05 09:02:20 -0300 | [diff] [blame] | 1774 | /* |
| 1775 | * Stop HPD from resetting a lot of registers. |
| 1776 | * It might leave the chip in a partly un-initialized state, |
| 1777 | * in particular with regards to hotplug bounces. |
| 1778 | */ |
| 1779 | adv7511_wr_and_or(sd, 0xd6, 0x3f, 0xc0); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1780 | memset(edid, 0, sizeof(struct adv7511_state_edid)); |
| 1781 | state->have_monitor = false; |
| 1782 | adv7511_set_isr(sd, false); |
| 1783 | adv7511_s_stream(sd, false); |
| 1784 | adv7511_s_audio_stream(sd, false); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1785 | |
| 1786 | if (state->i2c_cec == NULL) |
| 1787 | return; |
| 1788 | |
| 1789 | v4l2_dbg(1, debug, sd, "%s: cec_clk %d\n", __func__, cec_clk); |
| 1790 | |
| 1791 | /* cec soft reset */ |
| 1792 | adv7511_cec_write(sd, 0x50, 0x01); |
| 1793 | adv7511_cec_write(sd, 0x50, 0x00); |
| 1794 | |
| 1795 | /* legacy mode */ |
| 1796 | adv7511_cec_write(sd, 0x4a, 0x00); |
| 1797 | |
| 1798 | if (cec_clk % 750000 != 0) |
| 1799 | v4l2_err(sd, "%s: cec_clk %d, not multiple of 750 Khz\n", |
| 1800 | __func__, cec_clk); |
| 1801 | |
| 1802 | ratio = (cec_clk / 750000) - 1; |
| 1803 | adv7511_cec_write(sd, 0x4e, ratio << 2); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1804 | } |
| 1805 | |
| 1806 | static int adv7511_probe(struct i2c_client *client, const struct i2c_device_id *id) |
| 1807 | { |
| 1808 | struct adv7511_state *state; |
| 1809 | struct adv7511_platform_data *pdata = client->dev.platform_data; |
| 1810 | struct v4l2_ctrl_handler *hdl; |
| 1811 | struct v4l2_subdev *sd; |
| 1812 | u8 chip_id[2]; |
| 1813 | int err = -EIO; |
| 1814 | |
| 1815 | /* Check if the adapter supports the needed features */ |
| 1816 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
| 1817 | return -EIO; |
| 1818 | |
| 1819 | state = devm_kzalloc(&client->dev, sizeof(struct adv7511_state), GFP_KERNEL); |
| 1820 | if (!state) |
| 1821 | return -ENOMEM; |
| 1822 | |
| 1823 | /* Platform data */ |
| 1824 | if (!pdata) { |
| 1825 | v4l_err(client, "No platform data!\n"); |
| 1826 | return -ENODEV; |
| 1827 | } |
| 1828 | memcpy(&state->pdata, pdata, sizeof(state->pdata)); |
Hans Verkuil | 1fb69bf | 2014-11-27 10:07:38 -0300 | [diff] [blame] | 1829 | state->fmt_code = MEDIA_BUS_FMT_RGB888_1X24; |
| 1830 | state->colorspace = V4L2_COLORSPACE_SRGB; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1831 | |
| 1832 | sd = &state->sd; |
| 1833 | |
| 1834 | v4l2_dbg(1, debug, sd, "detecting adv7511 client on address 0x%x\n", |
| 1835 | client->addr << 1); |
| 1836 | |
| 1837 | v4l2_i2c_subdev_init(sd, client, &adv7511_ops); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1838 | sd->internal_ops = &adv7511_int_ops; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1839 | |
| 1840 | hdl = &state->hdl; |
| 1841 | v4l2_ctrl_handler_init(hdl, 10); |
| 1842 | /* add in ascending ID order */ |
| 1843 | state->hdmi_mode_ctrl = v4l2_ctrl_new_std_menu(hdl, &adv7511_ctrl_ops, |
| 1844 | V4L2_CID_DV_TX_MODE, V4L2_DV_TX_MODE_HDMI, |
| 1845 | 0, V4L2_DV_TX_MODE_DVI_D); |
| 1846 | state->hotplug_ctrl = v4l2_ctrl_new_std(hdl, NULL, |
| 1847 | V4L2_CID_DV_TX_HOTPLUG, 0, 1, 0, 0); |
| 1848 | state->rx_sense_ctrl = v4l2_ctrl_new_std(hdl, NULL, |
| 1849 | V4L2_CID_DV_TX_RXSENSE, 0, 1, 0, 0); |
| 1850 | state->have_edid0_ctrl = v4l2_ctrl_new_std(hdl, NULL, |
| 1851 | V4L2_CID_DV_TX_EDID_PRESENT, 0, 1, 0, 0); |
| 1852 | state->rgb_quantization_range_ctrl = |
| 1853 | v4l2_ctrl_new_std_menu(hdl, &adv7511_ctrl_ops, |
| 1854 | V4L2_CID_DV_TX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL, |
| 1855 | 0, V4L2_DV_RGB_RANGE_AUTO); |
Hans Verkuil | df0e577 | 2016-01-27 11:31:43 -0200 | [diff] [blame] | 1856 | state->content_type_ctrl = |
| 1857 | v4l2_ctrl_new_std_menu(hdl, &adv7511_ctrl_ops, |
| 1858 | V4L2_CID_DV_TX_IT_CONTENT_TYPE, V4L2_DV_IT_CONTENT_TYPE_NO_ITC, |
| 1859 | 0, V4L2_DV_IT_CONTENT_TYPE_NO_ITC); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1860 | sd->ctrl_handler = hdl; |
| 1861 | if (hdl->error) { |
| 1862 | err = hdl->error; |
| 1863 | goto err_hdl; |
| 1864 | } |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1865 | state->pad.flags = MEDIA_PAD_FL_SINK; |
Mauro Carvalho Chehab | ab22e77 | 2015-12-11 07:44:40 -0200 | [diff] [blame] | 1866 | err = media_entity_pads_init(&sd->entity, 1, &state->pad); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1867 | if (err) |
| 1868 | goto err_hdl; |
| 1869 | |
| 1870 | /* EDID and CEC i2c addr */ |
| 1871 | state->i2c_edid_addr = state->pdata.i2c_edid << 1; |
| 1872 | state->i2c_cec_addr = state->pdata.i2c_cec << 1; |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 1873 | state->i2c_pktmem_addr = state->pdata.i2c_pktmem << 1; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1874 | |
| 1875 | state->chip_revision = adv7511_rd(sd, 0x0); |
| 1876 | chip_id[0] = adv7511_rd(sd, 0xf5); |
| 1877 | chip_id[1] = adv7511_rd(sd, 0xf6); |
| 1878 | if (chip_id[0] != 0x75 || chip_id[1] != 0x11) { |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1879 | v4l2_err(sd, "chip_id != 0x7511, read 0x%02x%02x\n", chip_id[0], |
| 1880 | chip_id[1]); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1881 | err = -EIO; |
| 1882 | goto err_entity; |
| 1883 | } |
| 1884 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1885 | state->i2c_edid = i2c_new_dummy(client->adapter, |
| 1886 | state->i2c_edid_addr >> 1); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1887 | if (state->i2c_edid == NULL) { |
| 1888 | v4l2_err(sd, "failed to register edid i2c client\n"); |
Wei Yongjun | f527b17 | 2013-09-11 10:07:58 -0300 | [diff] [blame] | 1889 | err = -ENOMEM; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1890 | goto err_entity; |
| 1891 | } |
| 1892 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1893 | adv7511_wr(sd, 0xe1, state->i2c_cec_addr); |
| 1894 | if (state->pdata.cec_clk < 3000000 || |
| 1895 | state->pdata.cec_clk > 100000000) { |
| 1896 | v4l2_err(sd, "%s: cec_clk %u outside range, disabling cec\n", |
| 1897 | __func__, state->pdata.cec_clk); |
| 1898 | state->pdata.cec_clk = 0; |
| 1899 | } |
| 1900 | |
| 1901 | if (state->pdata.cec_clk) { |
| 1902 | state->i2c_cec = i2c_new_dummy(client->adapter, |
| 1903 | state->i2c_cec_addr >> 1); |
| 1904 | if (state->i2c_cec == NULL) { |
| 1905 | v4l2_err(sd, "failed to register cec i2c client\n"); |
Wei Yongjun | b956fb2 | 2016-08-04 05:31:22 -0300 | [diff] [blame] | 1906 | err = -ENOMEM; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1907 | goto err_unreg_edid; |
| 1908 | } |
| 1909 | adv7511_wr(sd, 0xe2, 0x00); /* power up cec section */ |
| 1910 | } else { |
| 1911 | adv7511_wr(sd, 0xe2, 0x01); /* power down cec section */ |
| 1912 | } |
| 1913 | |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 1914 | state->i2c_pktmem = i2c_new_dummy(client->adapter, state->i2c_pktmem_addr >> 1); |
| 1915 | if (state->i2c_pktmem == NULL) { |
| 1916 | v4l2_err(sd, "failed to register pktmem i2c client\n"); |
| 1917 | err = -ENOMEM; |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1918 | goto err_unreg_cec; |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 1919 | } |
| 1920 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1921 | state->work_queue = create_singlethread_workqueue(sd->name); |
| 1922 | if (state->work_queue == NULL) { |
| 1923 | v4l2_err(sd, "could not create workqueue\n"); |
Wei Yongjun | f527b17 | 2013-09-11 10:07:58 -0300 | [diff] [blame] | 1924 | err = -ENOMEM; |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 1925 | goto err_unreg_pktmem; |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1926 | } |
| 1927 | |
| 1928 | INIT_DELAYED_WORK(&state->edid_handler, adv7511_edid_handler); |
| 1929 | |
| 1930 | adv7511_init_setup(sd); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1931 | |
| 1932 | #if IS_ENABLED(CONFIG_VIDEO_ADV7511_CEC) |
| 1933 | state->cec_adap = cec_allocate_adapter(&adv7511_cec_adap_ops, |
| 1934 | state, dev_name(&client->dev), CEC_CAP_TRANSMIT | |
| 1935 | CEC_CAP_LOG_ADDRS | CEC_CAP_PASSTHROUGH | CEC_CAP_RC, |
| 1936 | ADV7511_MAX_ADDRS, &client->dev); |
| 1937 | err = PTR_ERR_OR_ZERO(state->cec_adap); |
| 1938 | if (err) { |
| 1939 | destroy_workqueue(state->work_queue); |
| 1940 | goto err_unreg_pktmem; |
| 1941 | } |
| 1942 | #endif |
| 1943 | |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1944 | adv7511_set_isr(sd, true); |
| 1945 | adv7511_check_monitor_present_status(sd); |
| 1946 | |
| 1947 | v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name, |
| 1948 | client->addr << 1, client->adapter->name); |
| 1949 | return 0; |
| 1950 | |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 1951 | err_unreg_pktmem: |
| 1952 | i2c_unregister_device(state->i2c_pktmem); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1953 | err_unreg_cec: |
| 1954 | if (state->i2c_cec) |
| 1955 | i2c_unregister_device(state->i2c_cec); |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 1956 | err_unreg_edid: |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1957 | i2c_unregister_device(state->i2c_edid); |
| 1958 | err_entity: |
| 1959 | media_entity_cleanup(&sd->entity); |
| 1960 | err_hdl: |
| 1961 | v4l2_ctrl_handler_free(&state->hdl); |
| 1962 | return err; |
| 1963 | } |
| 1964 | |
| 1965 | /* ----------------------------------------------------------------------- */ |
| 1966 | |
| 1967 | static int adv7511_remove(struct i2c_client *client) |
| 1968 | { |
| 1969 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| 1970 | struct adv7511_state *state = get_adv7511_state(sd); |
| 1971 | |
| 1972 | state->chip_revision = -1; |
| 1973 | |
| 1974 | v4l2_dbg(1, debug, sd, "%s removed @ 0x%x (%s)\n", client->name, |
| 1975 | client->addr << 1, client->adapter->name); |
| 1976 | |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1977 | adv7511_set_isr(sd, false); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1978 | adv7511_init_setup(sd); |
| 1979 | cancel_delayed_work(&state->edid_handler); |
| 1980 | i2c_unregister_device(state->i2c_edid); |
Hans Verkuil | 257d4ea | 2015-06-29 04:55:35 -0300 | [diff] [blame] | 1981 | if (state->i2c_cec) |
| 1982 | i2c_unregister_device(state->i2c_cec); |
Hans Verkuil | b4dbad8 | 2015-06-07 07:32:32 -0300 | [diff] [blame] | 1983 | i2c_unregister_device(state->i2c_pktmem); |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 1984 | destroy_workqueue(state->work_queue); |
| 1985 | v4l2_device_unregister_subdev(sd); |
| 1986 | media_entity_cleanup(&sd->entity); |
| 1987 | v4l2_ctrl_handler_free(sd->ctrl_handler); |
| 1988 | return 0; |
| 1989 | } |
| 1990 | |
| 1991 | /* ----------------------------------------------------------------------- */ |
| 1992 | |
| 1993 | static struct i2c_device_id adv7511_id[] = { |
| 1994 | { "adv7511", 0 }, |
| 1995 | { } |
| 1996 | }; |
| 1997 | MODULE_DEVICE_TABLE(i2c, adv7511_id); |
| 1998 | |
| 1999 | static struct i2c_driver adv7511_driver = { |
| 2000 | .driver = { |
Hans Verkuil | 5a544cc | 2013-08-23 09:12:36 -0300 | [diff] [blame] | 2001 | .name = "adv7511", |
| 2002 | }, |
| 2003 | .probe = adv7511_probe, |
| 2004 | .remove = adv7511_remove, |
| 2005 | .id_table = adv7511_id, |
| 2006 | }; |
| 2007 | |
| 2008 | module_i2c_driver(adv7511_driver); |