1 // SPDX-License-Identifier: GPL-2.0-only
3 * adv7842 - Analog Devices ADV7842 video decoder driver
5 * Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
9 * References (c = chapter, p = page):
10 * REF_01 - Analog devices, ADV7842,
11 * Register Settings Recommendations, Rev. 1.9, April 2011
12 * REF_02 - Analog devices, Software User Guide, UG-206,
13 * ADV7842 I2C Register Maps, Rev. 0, November 2010
14 * REF_03 - Analog devices, Hardware User Guide, UG-214,
15 * ADV7842 Fast Switching 2:1 HDMI 1.4 Receiver with 3D-Comb
16 * Decoder and Digitizer , Rev. 0, January 2011
20 #include <linux/kernel.h>
21 #include <linux/module.h>
22 #include <linux/slab.h>
23 #include <linux/i2c.h>
24 #include <linux/delay.h>
25 #include <linux/videodev2.h>
26 #include <linux/workqueue.h>
27 #include <linux/v4l2-dv-timings.h>
28 #include <linux/hdmi.h>
29 #include <media/cec.h>
30 #include <media/v4l2-device.h>
31 #include <media/v4l2-event.h>
32 #include <media/v4l2-ctrls.h>
33 #include <media/v4l2-dv-timings.h>
34 #include <media/i2c/adv7842.h>
37 module_param(debug, int, 0644);
38 MODULE_PARM_DESC(debug, "debug level (0-2)");
40 MODULE_DESCRIPTION("Analog Devices ADV7842 video decoder driver");
41 MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com>");
42 MODULE_AUTHOR("Martin Bugge <marbugge@cisco.com>");
43 MODULE_LICENSE("GPL");
45 /* ADV7842 system clock frequency */
46 #define ADV7842_fsc (28636360)
48 #define ADV7842_RGB_OUT (1 << 1)
50 #define ADV7842_OP_FORMAT_SEL_8BIT (0 << 0)
51 #define ADV7842_OP_FORMAT_SEL_10BIT (1 << 0)
52 #define ADV7842_OP_FORMAT_SEL_12BIT (2 << 0)
54 #define ADV7842_OP_MODE_SEL_SDR_422 (0 << 5)
55 #define ADV7842_OP_MODE_SEL_DDR_422 (1 << 5)
56 #define ADV7842_OP_MODE_SEL_SDR_444 (2 << 5)
57 #define ADV7842_OP_MODE_SEL_DDR_444 (3 << 5)
58 #define ADV7842_OP_MODE_SEL_SDR_422_2X (4 << 5)
59 #define ADV7842_OP_MODE_SEL_ADI_CM (5 << 5)
61 #define ADV7842_OP_CH_SEL_GBR (0 << 5)
62 #define ADV7842_OP_CH_SEL_GRB (1 << 5)
63 #define ADV7842_OP_CH_SEL_BGR (2 << 5)
64 #define ADV7842_OP_CH_SEL_RGB (3 << 5)
65 #define ADV7842_OP_CH_SEL_BRG (4 << 5)
66 #define ADV7842_OP_CH_SEL_RBG (5 << 5)
68 #define ADV7842_OP_SWAP_CB_CR (1 << 0)
70 #define ADV7842_MAX_ADDRS (3)
73 **********************************************************************
75 * Arrays with configuration parameters for the ADV7842
77 **********************************************************************
80 struct adv7842_format_info {
88 struct adv7842_state {
89 struct adv7842_platform_data pdata;
90 struct v4l2_subdev sd;
91 struct media_pad pads[ADV7842_PAD_SOURCE + 1];
92 struct v4l2_ctrl_handler hdl;
93 enum adv7842_mode mode;
94 struct v4l2_dv_timings timings;
95 enum adv7842_vid_std_select vid_std_select;
97 const struct adv7842_format_info *format;
110 struct v4l2_fract aspect_ratio;
111 u32 rgb_quantization_range;
113 struct delayed_work delayed_work_enable_hotplug;
114 bool restart_stdi_once;
118 struct i2c_client *i2c_sdp_io;
119 struct i2c_client *i2c_sdp;
120 struct i2c_client *i2c_cp;
121 struct i2c_client *i2c_vdp;
122 struct i2c_client *i2c_afe;
123 struct i2c_client *i2c_hdmi;
124 struct i2c_client *i2c_repeater;
125 struct i2c_client *i2c_edid;
126 struct i2c_client *i2c_infoframe;
127 struct i2c_client *i2c_cec;
128 struct i2c_client *i2c_avlink;
131 struct v4l2_ctrl *detect_tx_5v_ctrl;
132 struct v4l2_ctrl *analog_sampling_phase_ctrl;
133 struct v4l2_ctrl *free_run_color_ctrl_manual;
134 struct v4l2_ctrl *free_run_color_ctrl;
135 struct v4l2_ctrl *rgb_quantization_range_ctrl;
137 struct cec_adapter *cec_adap;
138 u8 cec_addr[ADV7842_MAX_ADDRS];
140 bool cec_enabled_adap;
143 /* Unsupported timings. This device cannot support 720p30. */
144 static const struct v4l2_dv_timings adv7842_timings_exceptions[] = {
145 V4L2_DV_BT_CEA_1280X720P30,
149 static bool adv7842_check_dv_timings(const struct v4l2_dv_timings *t, void *hdl)
153 for (i = 0; adv7842_timings_exceptions[i].bt.width; i++)
154 if (v4l2_match_dv_timings(t, adv7842_timings_exceptions + i, 0, false))
159 struct adv7842_video_standards {
160 struct v4l2_dv_timings timings;
165 /* sorted by number of lines */
166 static const struct adv7842_video_standards adv7842_prim_mode_comp[] = {
167 /* { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, TODO flickering */
168 { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 },
169 { V4L2_DV_BT_CEA_1280X720P50, 0x19, 0x01 },
170 { V4L2_DV_BT_CEA_1280X720P60, 0x19, 0x00 },
171 { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 },
172 { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 },
173 { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 },
174 { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 },
175 { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 },
176 /* TODO add 1920x1080P60_RB (CVT timing) */
180 /* sorted by number of lines */
181 static const struct adv7842_video_standards adv7842_prim_mode_gr[] = {
182 { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 },
183 { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 },
184 { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 },
185 { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 },
186 { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 },
187 { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 },
188 { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 },
189 { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 },
190 { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 },
191 { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 },
192 { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 },
193 { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 },
194 { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 },
195 { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 },
196 { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 },
197 { V4L2_DV_BT_DMT_1360X768P60, 0x12, 0x00 },
198 { V4L2_DV_BT_DMT_1366X768P60, 0x13, 0x00 },
199 { V4L2_DV_BT_DMT_1400X1050P60, 0x14, 0x00 },
200 { V4L2_DV_BT_DMT_1400X1050P75, 0x15, 0x00 },
201 { V4L2_DV_BT_DMT_1600X1200P60, 0x16, 0x00 }, /* TODO not tested */
202 /* TODO add 1600X1200P60_RB (not a DMT timing) */
203 { V4L2_DV_BT_DMT_1680X1050P60, 0x18, 0x00 },
204 { V4L2_DV_BT_DMT_1920X1200P60_RB, 0x19, 0x00 }, /* TODO not tested */
208 /* sorted by number of lines */
209 static const struct adv7842_video_standards adv7842_prim_mode_hdmi_comp[] = {
210 { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 },
211 { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 },
212 { V4L2_DV_BT_CEA_1280X720P50, 0x13, 0x01 },
213 { V4L2_DV_BT_CEA_1280X720P60, 0x13, 0x00 },
214 { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 },
215 { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 },
216 { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 },
217 { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 },
218 { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 },
222 /* sorted by number of lines */
223 static const struct adv7842_video_standards adv7842_prim_mode_hdmi_gr[] = {
224 { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 },
225 { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 },
226 { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 },
227 { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 },
228 { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 },
229 { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 },
230 { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 },
231 { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 },
232 { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 },
233 { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 },
234 { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 },
235 { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 },
236 { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 },
237 { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 },
238 { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 },
242 static const struct v4l2_event adv7842_ev_fmt = {
243 .type = V4L2_EVENT_SOURCE_CHANGE,
244 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
247 /* ----------------------------------------------------------------------- */
249 static inline struct adv7842_state *to_state(struct v4l2_subdev *sd)
251 return container_of(sd, struct adv7842_state, sd);
254 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
256 return &container_of(ctrl->handler, struct adv7842_state, hdl)->sd;
259 static inline unsigned hblanking(const struct v4l2_bt_timings *t)
261 return V4L2_DV_BT_BLANKING_WIDTH(t);
264 static inline unsigned htotal(const struct v4l2_bt_timings *t)
266 return V4L2_DV_BT_FRAME_WIDTH(t);
269 static inline unsigned vblanking(const struct v4l2_bt_timings *t)
271 return V4L2_DV_BT_BLANKING_HEIGHT(t);
274 static inline unsigned vtotal(const struct v4l2_bt_timings *t)
276 return V4L2_DV_BT_FRAME_HEIGHT(t);
280 /* ----------------------------------------------------------------------- */
282 static s32 adv_smbus_read_byte_data_check(struct i2c_client *client,
283 u8 command, bool check)
285 union i2c_smbus_data data;
287 if (!i2c_smbus_xfer(client->adapter, client->addr, client->flags,
288 I2C_SMBUS_READ, command,
289 I2C_SMBUS_BYTE_DATA, &data))
292 v4l_err(client, "error reading %02x, %02x\n",
293 client->addr, command);
297 static s32 adv_smbus_read_byte_data(struct i2c_client *client, u8 command)
301 for (i = 0; i < 3; i++) {
302 int ret = adv_smbus_read_byte_data_check(client, command, true);
306 v4l_err(client, "read ok after %d retries\n", i);
310 v4l_err(client, "read failed\n");
314 static s32 adv_smbus_write_byte_data(struct i2c_client *client,
315 u8 command, u8 value)
317 union i2c_smbus_data data;
322 for (i = 0; i < 3; i++) {
323 err = i2c_smbus_xfer(client->adapter, client->addr,
325 I2C_SMBUS_WRITE, command,
326 I2C_SMBUS_BYTE_DATA, &data);
331 v4l_err(client, "error writing %02x, %02x, %02x\n",
332 client->addr, command, value);
336 static void adv_smbus_write_byte_no_check(struct i2c_client *client,
337 u8 command, u8 value)
339 union i2c_smbus_data data;
342 i2c_smbus_xfer(client->adapter, client->addr,
344 I2C_SMBUS_WRITE, command,
345 I2C_SMBUS_BYTE_DATA, &data);
348 /* ----------------------------------------------------------------------- */
350 static inline int io_read(struct v4l2_subdev *sd, u8 reg)
352 struct i2c_client *client = v4l2_get_subdevdata(sd);
354 return adv_smbus_read_byte_data(client, reg);
357 static inline int io_write(struct v4l2_subdev *sd, u8 reg, u8 val)
359 struct i2c_client *client = v4l2_get_subdevdata(sd);
361 return adv_smbus_write_byte_data(client, reg, val);
364 static inline int io_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
366 return io_write(sd, reg, (io_read(sd, reg) & mask) | val);
369 static inline int io_write_clr_set(struct v4l2_subdev *sd,
370 u8 reg, u8 mask, u8 val)
372 return io_write(sd, reg, (io_read(sd, reg) & ~mask) | val);
375 static inline int avlink_read(struct v4l2_subdev *sd, u8 reg)
377 struct adv7842_state *state = to_state(sd);
379 return adv_smbus_read_byte_data(state->i2c_avlink, reg);
382 static inline int avlink_write(struct v4l2_subdev *sd, u8 reg, u8 val)
384 struct adv7842_state *state = to_state(sd);
386 return adv_smbus_write_byte_data(state->i2c_avlink, reg, val);
389 static inline int cec_read(struct v4l2_subdev *sd, u8 reg)
391 struct adv7842_state *state = to_state(sd);
393 return adv_smbus_read_byte_data(state->i2c_cec, reg);
396 static inline int cec_write(struct v4l2_subdev *sd, u8 reg, u8 val)
398 struct adv7842_state *state = to_state(sd);
400 return adv_smbus_write_byte_data(state->i2c_cec, reg, val);
403 static inline int cec_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
405 return cec_write(sd, reg, (cec_read(sd, reg) & ~mask) | val);
408 static inline int infoframe_read(struct v4l2_subdev *sd, u8 reg)
410 struct adv7842_state *state = to_state(sd);
412 return adv_smbus_read_byte_data(state->i2c_infoframe, reg);
415 static inline int infoframe_write(struct v4l2_subdev *sd, u8 reg, u8 val)
417 struct adv7842_state *state = to_state(sd);
419 return adv_smbus_write_byte_data(state->i2c_infoframe, reg, val);
422 static inline int sdp_io_read(struct v4l2_subdev *sd, u8 reg)
424 struct adv7842_state *state = to_state(sd);
426 return adv_smbus_read_byte_data(state->i2c_sdp_io, reg);
429 static inline int sdp_io_write(struct v4l2_subdev *sd, u8 reg, u8 val)
431 struct adv7842_state *state = to_state(sd);
433 return adv_smbus_write_byte_data(state->i2c_sdp_io, reg, val);
436 static inline int sdp_io_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
438 return sdp_io_write(sd, reg, (sdp_io_read(sd, reg) & mask) | val);
441 static inline int sdp_read(struct v4l2_subdev *sd, u8 reg)
443 struct adv7842_state *state = to_state(sd);
445 return adv_smbus_read_byte_data(state->i2c_sdp, reg);
448 static inline int sdp_write(struct v4l2_subdev *sd, u8 reg, u8 val)
450 struct adv7842_state *state = to_state(sd);
452 return adv_smbus_write_byte_data(state->i2c_sdp, reg, val);
455 static inline int sdp_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
457 return sdp_write(sd, reg, (sdp_read(sd, reg) & mask) | val);
460 static inline int afe_read(struct v4l2_subdev *sd, u8 reg)
462 struct adv7842_state *state = to_state(sd);
464 return adv_smbus_read_byte_data(state->i2c_afe, reg);
467 static inline int afe_write(struct v4l2_subdev *sd, u8 reg, u8 val)
469 struct adv7842_state *state = to_state(sd);
471 return adv_smbus_write_byte_data(state->i2c_afe, reg, val);
474 static inline int afe_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
476 return afe_write(sd, reg, (afe_read(sd, reg) & mask) | val);
479 static inline int rep_read(struct v4l2_subdev *sd, u8 reg)
481 struct adv7842_state *state = to_state(sd);
483 return adv_smbus_read_byte_data(state->i2c_repeater, reg);
486 static inline int rep_write(struct v4l2_subdev *sd, u8 reg, u8 val)
488 struct adv7842_state *state = to_state(sd);
490 return adv_smbus_write_byte_data(state->i2c_repeater, reg, val);
493 static inline int rep_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
495 return rep_write(sd, reg, (rep_read(sd, reg) & mask) | val);
498 static inline int edid_read(struct v4l2_subdev *sd, u8 reg)
500 struct adv7842_state *state = to_state(sd);
502 return adv_smbus_read_byte_data(state->i2c_edid, reg);
505 static inline int edid_write(struct v4l2_subdev *sd, u8 reg, u8 val)
507 struct adv7842_state *state = to_state(sd);
509 return adv_smbus_write_byte_data(state->i2c_edid, reg, val);
512 static inline int hdmi_read(struct v4l2_subdev *sd, u8 reg)
514 struct adv7842_state *state = to_state(sd);
516 return adv_smbus_read_byte_data(state->i2c_hdmi, reg);
519 static inline int hdmi_write(struct v4l2_subdev *sd, u8 reg, u8 val)
521 struct adv7842_state *state = to_state(sd);
523 return adv_smbus_write_byte_data(state->i2c_hdmi, reg, val);
526 static inline int hdmi_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
528 return hdmi_write(sd, reg, (hdmi_read(sd, reg) & mask) | val);
531 static inline int cp_read(struct v4l2_subdev *sd, u8 reg)
533 struct adv7842_state *state = to_state(sd);
535 return adv_smbus_read_byte_data(state->i2c_cp, reg);
538 static inline int cp_write(struct v4l2_subdev *sd, u8 reg, u8 val)
540 struct adv7842_state *state = to_state(sd);
542 return adv_smbus_write_byte_data(state->i2c_cp, reg, val);
545 static inline int cp_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
547 return cp_write(sd, reg, (cp_read(sd, reg) & mask) | val);
550 static inline int vdp_read(struct v4l2_subdev *sd, u8 reg)
552 struct adv7842_state *state = to_state(sd);
554 return adv_smbus_read_byte_data(state->i2c_vdp, reg);
557 static inline int vdp_write(struct v4l2_subdev *sd, u8 reg, u8 val)
559 struct adv7842_state *state = to_state(sd);
561 return adv_smbus_write_byte_data(state->i2c_vdp, reg, val);
564 static void main_reset(struct v4l2_subdev *sd)
566 struct i2c_client *client = v4l2_get_subdevdata(sd);
568 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
570 adv_smbus_write_byte_no_check(client, 0xff, 0x80);
575 /* -----------------------------------------------------------------------------
579 static const struct adv7842_format_info adv7842_formats[] = {
580 { MEDIA_BUS_FMT_RGB888_1X24, ADV7842_OP_CH_SEL_RGB, true, false,
581 ADV7842_OP_MODE_SEL_SDR_444 | ADV7842_OP_FORMAT_SEL_8BIT },
582 { MEDIA_BUS_FMT_YUYV8_2X8, ADV7842_OP_CH_SEL_RGB, false, false,
583 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_8BIT },
584 { MEDIA_BUS_FMT_YVYU8_2X8, ADV7842_OP_CH_SEL_RGB, false, true,
585 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_8BIT },
586 { MEDIA_BUS_FMT_YUYV10_2X10, ADV7842_OP_CH_SEL_RGB, false, false,
587 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_10BIT },
588 { MEDIA_BUS_FMT_YVYU10_2X10, ADV7842_OP_CH_SEL_RGB, false, true,
589 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_10BIT },
590 { MEDIA_BUS_FMT_YUYV12_2X12, ADV7842_OP_CH_SEL_RGB, false, false,
591 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_12BIT },
592 { MEDIA_BUS_FMT_YVYU12_2X12, ADV7842_OP_CH_SEL_RGB, false, true,
593 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_12BIT },
594 { MEDIA_BUS_FMT_UYVY8_1X16, ADV7842_OP_CH_SEL_RBG, false, false,
595 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT },
596 { MEDIA_BUS_FMT_VYUY8_1X16, ADV7842_OP_CH_SEL_RBG, false, true,
597 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT },
598 { MEDIA_BUS_FMT_YUYV8_1X16, ADV7842_OP_CH_SEL_RGB, false, false,
599 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT },
600 { MEDIA_BUS_FMT_YVYU8_1X16, ADV7842_OP_CH_SEL_RGB, false, true,
601 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT },
602 { MEDIA_BUS_FMT_UYVY10_1X20, ADV7842_OP_CH_SEL_RBG, false, false,
603 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT },
604 { MEDIA_BUS_FMT_VYUY10_1X20, ADV7842_OP_CH_SEL_RBG, false, true,
605 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT },
606 { MEDIA_BUS_FMT_YUYV10_1X20, ADV7842_OP_CH_SEL_RGB, false, false,
607 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT },
608 { MEDIA_BUS_FMT_YVYU10_1X20, ADV7842_OP_CH_SEL_RGB, false, true,
609 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT },
610 { MEDIA_BUS_FMT_UYVY12_1X24, ADV7842_OP_CH_SEL_RBG, false, false,
611 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT },
612 { MEDIA_BUS_FMT_VYUY12_1X24, ADV7842_OP_CH_SEL_RBG, false, true,
613 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT },
614 { MEDIA_BUS_FMT_YUYV12_1X24, ADV7842_OP_CH_SEL_RGB, false, false,
615 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT },
616 { MEDIA_BUS_FMT_YVYU12_1X24, ADV7842_OP_CH_SEL_RGB, false, true,
617 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT },
620 static const struct adv7842_format_info *
621 adv7842_format_info(struct adv7842_state *state, u32 code)
625 for (i = 0; i < ARRAY_SIZE(adv7842_formats); ++i) {
626 if (adv7842_formats[i].code == code)
627 return &adv7842_formats[i];
633 /* ----------------------------------------------------------------------- */
635 static inline bool is_analog_input(struct v4l2_subdev *sd)
637 struct adv7842_state *state = to_state(sd);
639 return ((state->mode == ADV7842_MODE_RGB) ||
640 (state->mode == ADV7842_MODE_COMP));
643 static inline bool is_digital_input(struct v4l2_subdev *sd)
645 struct adv7842_state *state = to_state(sd);
647 return state->mode == ADV7842_MODE_HDMI;
650 static const struct v4l2_dv_timings_cap adv7842_timings_cap_analog = {
651 .type = V4L2_DV_BT_656_1120,
652 /* keep this initialization for compatibility with GCC < 4.4.6 */
654 V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 170000000,
655 V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
656 V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
657 V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
658 V4L2_DV_BT_CAP_CUSTOM)
661 static const struct v4l2_dv_timings_cap adv7842_timings_cap_digital = {
662 .type = V4L2_DV_BT_656_1120,
663 /* keep this initialization for compatibility with GCC < 4.4.6 */
665 V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 225000000,
666 V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
667 V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
668 V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
669 V4L2_DV_BT_CAP_CUSTOM)
672 static inline const struct v4l2_dv_timings_cap *
673 adv7842_get_dv_timings_cap(struct v4l2_subdev *sd)
675 return is_digital_input(sd) ? &adv7842_timings_cap_digital :
676 &adv7842_timings_cap_analog;
679 /* ----------------------------------------------------------------------- */
681 static u16 adv7842_read_cable_det(struct v4l2_subdev *sd)
683 u8 reg = io_read(sd, 0x6f);
687 val |= 1; /* port A */
689 val |= 2; /* port B */
693 static void adv7842_delayed_work_enable_hotplug(struct work_struct *work)
695 struct delayed_work *dwork = to_delayed_work(work);
696 struct adv7842_state *state = container_of(dwork,
697 struct adv7842_state, delayed_work_enable_hotplug);
698 struct v4l2_subdev *sd = &state->sd;
699 int present = state->hdmi_edid.present;
702 v4l2_dbg(2, debug, sd, "%s: enable hotplug on ports: 0x%x\n",
705 if (present & (0x04 << ADV7842_EDID_PORT_A))
707 if (present & (0x04 << ADV7842_EDID_PORT_B))
709 io_write_and_or(sd, 0x20, 0xcf, mask);
712 static int edid_write_vga_segment(struct v4l2_subdev *sd)
714 struct i2c_client *client = v4l2_get_subdevdata(sd);
715 struct adv7842_state *state = to_state(sd);
716 const u8 *edid = state->vga_edid.edid;
717 u32 blocks = state->vga_edid.blocks;
721 v4l2_dbg(2, debug, sd, "%s: write EDID on VGA port\n", __func__);
723 if (!state->vga_edid.present)
726 /* HPA disable on port A and B */
727 io_write_and_or(sd, 0x20, 0xcf, 0x00);
729 /* Disable I2C access to internal EDID ram from VGA DDC port */
730 rep_write_and_or(sd, 0x7f, 0x7f, 0x00);
732 /* edid segment pointer '1' for VGA port */
733 rep_write_and_or(sd, 0x77, 0xef, 0x10);
735 for (i = 0; !err && i < blocks * 128; i += I2C_SMBUS_BLOCK_MAX)
736 err = i2c_smbus_write_i2c_block_data(state->i2c_edid, i,
742 /* Calculates the checksums and enables I2C access
743 * to internal EDID ram from VGA DDC port.
745 rep_write_and_or(sd, 0x7f, 0x7f, 0x80);
747 for (i = 0; i < 1000; i++) {
748 if (rep_read(sd, 0x79) & 0x20)
753 v4l_err(client, "error enabling edid on VGA port\n");
757 /* enable hotplug after 200 ms */
758 schedule_delayed_work(&state->delayed_work_enable_hotplug, HZ / 5);
763 static int edid_write_hdmi_segment(struct v4l2_subdev *sd, u8 port)
765 struct i2c_client *client = v4l2_get_subdevdata(sd);
766 struct adv7842_state *state = to_state(sd);
767 const u8 *edid = state->hdmi_edid.edid;
768 u32 blocks = state->hdmi_edid.blocks;
769 unsigned int spa_loc;
774 v4l2_dbg(2, debug, sd, "%s: write EDID on port %c\n",
775 __func__, (port == ADV7842_EDID_PORT_A) ? 'A' : 'B');
777 /* HPA disable on port A and B */
778 io_write_and_or(sd, 0x20, 0xcf, 0x00);
780 /* Disable I2C access to internal EDID ram from HDMI DDC ports */
781 rep_write_and_or(sd, 0x77, 0xf3, 0x00);
783 if (!state->hdmi_edid.present) {
784 cec_phys_addr_invalidate(state->cec_adap);
788 pa = v4l2_get_edid_phys_addr(edid, blocks * 128, &spa_loc);
789 err = v4l2_phys_addr_validate(pa, &parent_pa, NULL);
795 * There is no SPA, so just set spa_loc to 128 and pa to whatever
799 pa = (edid[spa_loc] << 8) | edid[spa_loc + 1];
803 for (i = 0; !err && i < blocks * 128; i += I2C_SMBUS_BLOCK_MAX) {
804 /* set edid segment pointer for HDMI ports */
806 rep_write_and_or(sd, 0x77, 0xef, i >= 256 ? 0x10 : 0x00);
807 err = i2c_smbus_write_i2c_block_data(state->i2c_edid, i,
808 I2C_SMBUS_BLOCK_MAX, edid + i);
813 if (port == ADV7842_EDID_PORT_A) {
814 rep_write(sd, 0x72, pa >> 8);
815 rep_write(sd, 0x73, pa & 0xff);
817 rep_write(sd, 0x74, pa >> 8);
818 rep_write(sd, 0x75, pa & 0xff);
820 rep_write(sd, 0x76, spa_loc & 0xff);
821 rep_write_and_or(sd, 0x77, 0xbf, (spa_loc >> 2) & 0x40);
823 /* Calculates the checksums and enables I2C access to internal
824 * EDID ram from HDMI DDC ports
826 rep_write_and_or(sd, 0x77, 0xf3, state->hdmi_edid.present);
828 for (i = 0; i < 1000; i++) {
829 if (rep_read(sd, 0x7d) & state->hdmi_edid.present)
834 v4l_err(client, "error enabling edid on port %c\n",
835 (port == ADV7842_EDID_PORT_A) ? 'A' : 'B');
838 cec_s_phys_addr(state->cec_adap, parent_pa, false);
840 /* enable hotplug after 200 ms */
841 schedule_delayed_work(&state->delayed_work_enable_hotplug, HZ / 5);
846 /* ----------------------------------------------------------------------- */
848 #ifdef CONFIG_VIDEO_ADV_DEBUG
849 static void adv7842_inv_register(struct v4l2_subdev *sd)
851 v4l2_info(sd, "0x000-0x0ff: IO Map\n");
852 v4l2_info(sd, "0x100-0x1ff: AVLink Map\n");
853 v4l2_info(sd, "0x200-0x2ff: CEC Map\n");
854 v4l2_info(sd, "0x300-0x3ff: InfoFrame Map\n");
855 v4l2_info(sd, "0x400-0x4ff: SDP_IO Map\n");
856 v4l2_info(sd, "0x500-0x5ff: SDP Map\n");
857 v4l2_info(sd, "0x600-0x6ff: AFE Map\n");
858 v4l2_info(sd, "0x700-0x7ff: Repeater Map\n");
859 v4l2_info(sd, "0x800-0x8ff: EDID Map\n");
860 v4l2_info(sd, "0x900-0x9ff: HDMI Map\n");
861 v4l2_info(sd, "0xa00-0xaff: CP Map\n");
862 v4l2_info(sd, "0xb00-0xbff: VDP Map\n");
865 static int adv7842_g_register(struct v4l2_subdev *sd,
866 struct v4l2_dbg_register *reg)
869 switch (reg->reg >> 8) {
871 reg->val = io_read(sd, reg->reg & 0xff);
874 reg->val = avlink_read(sd, reg->reg & 0xff);
877 reg->val = cec_read(sd, reg->reg & 0xff);
880 reg->val = infoframe_read(sd, reg->reg & 0xff);
883 reg->val = sdp_io_read(sd, reg->reg & 0xff);
886 reg->val = sdp_read(sd, reg->reg & 0xff);
889 reg->val = afe_read(sd, reg->reg & 0xff);
892 reg->val = rep_read(sd, reg->reg & 0xff);
895 reg->val = edid_read(sd, reg->reg & 0xff);
898 reg->val = hdmi_read(sd, reg->reg & 0xff);
901 reg->val = cp_read(sd, reg->reg & 0xff);
904 reg->val = vdp_read(sd, reg->reg & 0xff);
907 v4l2_info(sd, "Register %03llx not supported\n", reg->reg);
908 adv7842_inv_register(sd);
914 static int adv7842_s_register(struct v4l2_subdev *sd,
915 const struct v4l2_dbg_register *reg)
917 u8 val = reg->val & 0xff;
919 switch (reg->reg >> 8) {
921 io_write(sd, reg->reg & 0xff, val);
924 avlink_write(sd, reg->reg & 0xff, val);
927 cec_write(sd, reg->reg & 0xff, val);
930 infoframe_write(sd, reg->reg & 0xff, val);
933 sdp_io_write(sd, reg->reg & 0xff, val);
936 sdp_write(sd, reg->reg & 0xff, val);
939 afe_write(sd, reg->reg & 0xff, val);
942 rep_write(sd, reg->reg & 0xff, val);
945 edid_write(sd, reg->reg & 0xff, val);
948 hdmi_write(sd, reg->reg & 0xff, val);
951 cp_write(sd, reg->reg & 0xff, val);
954 vdp_write(sd, reg->reg & 0xff, val);
957 v4l2_info(sd, "Register %03llx not supported\n", reg->reg);
958 adv7842_inv_register(sd);
965 static int adv7842_s_detect_tx_5v_ctrl(struct v4l2_subdev *sd)
967 struct adv7842_state *state = to_state(sd);
968 u16 cable_det = adv7842_read_cable_det(sd);
970 v4l2_dbg(1, debug, sd, "%s: 0x%x\n", __func__, cable_det);
972 return v4l2_ctrl_s_ctrl(state->detect_tx_5v_ctrl, cable_det);
975 static int find_and_set_predefined_video_timings(struct v4l2_subdev *sd,
977 const struct adv7842_video_standards *predef_vid_timings,
978 const struct v4l2_dv_timings *timings)
982 for (i = 0; predef_vid_timings[i].timings.bt.width; i++) {
983 if (!v4l2_match_dv_timings(timings, &predef_vid_timings[i].timings,
984 is_digital_input(sd) ? 250000 : 1000000, false))
987 io_write(sd, 0x00, predef_vid_timings[i].vid_std);
988 /* v_freq and prim mode */
989 io_write(sd, 0x01, (predef_vid_timings[i].v_freq << 4) + prim_mode);
996 static int configure_predefined_video_timings(struct v4l2_subdev *sd,
997 struct v4l2_dv_timings *timings)
999 struct adv7842_state *state = to_state(sd);
1002 v4l2_dbg(1, debug, sd, "%s\n", __func__);
1004 /* reset to default values */
1005 io_write(sd, 0x16, 0x43);
1006 io_write(sd, 0x17, 0x5a);
1007 /* disable embedded syncs for auto graphics mode */
1008 cp_write_and_or(sd, 0x81, 0xef, 0x00);
1009 cp_write(sd, 0x26, 0x00);
1010 cp_write(sd, 0x27, 0x00);
1011 cp_write(sd, 0x28, 0x00);
1012 cp_write(sd, 0x29, 0x00);
1013 cp_write(sd, 0x8f, 0x40);
1014 cp_write(sd, 0x90, 0x00);
1015 cp_write(sd, 0xa5, 0x00);
1016 cp_write(sd, 0xa6, 0x00);
1017 cp_write(sd, 0xa7, 0x00);
1018 cp_write(sd, 0xab, 0x00);
1019 cp_write(sd, 0xac, 0x00);
1021 switch (state->mode) {
1022 case ADV7842_MODE_COMP:
1023 case ADV7842_MODE_RGB:
1024 err = find_and_set_predefined_video_timings(sd,
1025 0x01, adv7842_prim_mode_comp, timings);
1027 err = find_and_set_predefined_video_timings(sd,
1028 0x02, adv7842_prim_mode_gr, timings);
1030 case ADV7842_MODE_HDMI:
1031 err = find_and_set_predefined_video_timings(sd,
1032 0x05, adv7842_prim_mode_hdmi_comp, timings);
1034 err = find_and_set_predefined_video_timings(sd,
1035 0x06, adv7842_prim_mode_hdmi_gr, timings);
1038 v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
1039 __func__, state->mode);
1048 static void configure_custom_video_timings(struct v4l2_subdev *sd,
1049 const struct v4l2_bt_timings *bt)
1051 struct adv7842_state *state = to_state(sd);
1052 struct i2c_client *client = v4l2_get_subdevdata(sd);
1053 u32 width = htotal(bt);
1054 u32 height = vtotal(bt);
1055 u16 cp_start_sav = bt->hsync + bt->hbackporch - 4;
1056 u16 cp_start_eav = width - bt->hfrontporch;
1057 u16 cp_start_vbi = height - bt->vfrontporch + 1;
1058 u16 cp_end_vbi = bt->vsync + bt->vbackporch + 1;
1059 u16 ch1_fr_ll = (((u32)bt->pixelclock / 100) > 0) ?
1060 ((width * (ADV7842_fsc / 100)) / ((u32)bt->pixelclock / 100)) : 0;
1062 0xc0 | ((width >> 8) & 0x1f),
1066 v4l2_dbg(2, debug, sd, "%s\n", __func__);
1068 switch (state->mode) {
1069 case ADV7842_MODE_COMP:
1070 case ADV7842_MODE_RGB:
1072 io_write(sd, 0x00, 0x07); /* video std */
1073 io_write(sd, 0x01, 0x02); /* prim mode */
1074 /* enable embedded syncs for auto graphics mode */
1075 cp_write_and_or(sd, 0x81, 0xef, 0x10);
1077 /* Should only be set in auto-graphics mode [REF_02, p. 91-92] */
1078 /* setup PLL_DIV_MAN_EN and PLL_DIV_RATIO */
1079 /* IO-map reg. 0x16 and 0x17 should be written in sequence */
1080 if (i2c_smbus_write_i2c_block_data(client, 0x16, 2, pll)) {
1081 v4l2_err(sd, "writing to reg 0x16 and 0x17 failed\n");
1085 /* active video - horizontal timing */
1086 cp_write(sd, 0x26, (cp_start_sav >> 8) & 0xf);
1087 cp_write(sd, 0x27, (cp_start_sav & 0xff));
1088 cp_write(sd, 0x28, (cp_start_eav >> 8) & 0xf);
1089 cp_write(sd, 0x29, (cp_start_eav & 0xff));
1091 /* active video - vertical timing */
1092 cp_write(sd, 0xa5, (cp_start_vbi >> 4) & 0xff);
1093 cp_write(sd, 0xa6, ((cp_start_vbi & 0xf) << 4) |
1094 ((cp_end_vbi >> 8) & 0xf));
1095 cp_write(sd, 0xa7, cp_end_vbi & 0xff);
1097 case ADV7842_MODE_HDMI:
1098 /* set default prim_mode/vid_std for HDMI
1099 according to [REF_03, c. 4.2] */
1100 io_write(sd, 0x00, 0x02); /* video std */
1101 io_write(sd, 0x01, 0x06); /* prim mode */
1104 v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
1105 __func__, state->mode);
1109 cp_write(sd, 0x8f, (ch1_fr_ll >> 8) & 0x7);
1110 cp_write(sd, 0x90, ch1_fr_ll & 0xff);
1111 cp_write(sd, 0xab, (height >> 4) & 0xff);
1112 cp_write(sd, 0xac, (height & 0x0f) << 4);
1115 static void adv7842_set_offset(struct v4l2_subdev *sd, bool auto_offset, u16 offset_a, u16 offset_b, u16 offset_c)
1117 struct adv7842_state *state = to_state(sd);
1126 v4l2_dbg(2, debug, sd, "%s: %s offset: a = 0x%x, b = 0x%x, c = 0x%x\n",
1127 __func__, auto_offset ? "Auto" : "Manual",
1128 offset_a, offset_b, offset_c);
1130 offset_buf[0]= (cp_read(sd, 0x77) & 0xc0) | ((offset_a & 0x3f0) >> 4);
1131 offset_buf[1] = ((offset_a & 0x00f) << 4) | ((offset_b & 0x3c0) >> 6);
1132 offset_buf[2] = ((offset_b & 0x03f) << 2) | ((offset_c & 0x300) >> 8);
1133 offset_buf[3] = offset_c & 0x0ff;
1135 /* Registers must be written in this order with no i2c access in between */
1136 if (i2c_smbus_write_i2c_block_data(state->i2c_cp, 0x77, 4, offset_buf))
1137 v4l2_err(sd, "%s: i2c error writing to CP reg 0x77, 0x78, 0x79, 0x7a\n", __func__);
1140 static void adv7842_set_gain(struct v4l2_subdev *sd, bool auto_gain, u16 gain_a, u16 gain_b, u16 gain_c)
1142 struct adv7842_state *state = to_state(sd);
1145 u8 agc_mode_man = 1;
1155 v4l2_dbg(2, debug, sd, "%s: %s gain: a = 0x%x, b = 0x%x, c = 0x%x\n",
1156 __func__, auto_gain ? "Auto" : "Manual",
1157 gain_a, gain_b, gain_c);
1159 gain_buf[0] = ((gain_man << 7) | (agc_mode_man << 6) | ((gain_a & 0x3f0) >> 4));
1160 gain_buf[1] = (((gain_a & 0x00f) << 4) | ((gain_b & 0x3c0) >> 6));
1161 gain_buf[2] = (((gain_b & 0x03f) << 2) | ((gain_c & 0x300) >> 8));
1162 gain_buf[3] = ((gain_c & 0x0ff));
1164 /* Registers must be written in this order with no i2c access in between */
1165 if (i2c_smbus_write_i2c_block_data(state->i2c_cp, 0x73, 4, gain_buf))
1166 v4l2_err(sd, "%s: i2c error writing to CP reg 0x73, 0x74, 0x75, 0x76\n", __func__);
1169 static void set_rgb_quantization_range(struct v4l2_subdev *sd)
1171 struct adv7842_state *state = to_state(sd);
1172 bool rgb_output = io_read(sd, 0x02) & 0x02;
1173 bool hdmi_signal = hdmi_read(sd, 0x05) & 0x80;
1174 u8 y = HDMI_COLORSPACE_RGB;
1176 if (hdmi_signal && (io_read(sd, 0x60) & 1))
1177 y = infoframe_read(sd, 0x01) >> 5;
1179 v4l2_dbg(2, debug, sd, "%s: RGB quantization range: %d, RGB out: %d, HDMI: %d\n",
1180 __func__, state->rgb_quantization_range,
1181 rgb_output, hdmi_signal);
1183 adv7842_set_gain(sd, true, 0x0, 0x0, 0x0);
1184 adv7842_set_offset(sd, true, 0x0, 0x0, 0x0);
1185 io_write_clr_set(sd, 0x02, 0x04, rgb_output ? 0 : 4);
1187 switch (state->rgb_quantization_range) {
1188 case V4L2_DV_RGB_RANGE_AUTO:
1189 if (state->mode == ADV7842_MODE_RGB) {
1190 /* Receiving analog RGB signal
1191 * Set RGB full range (0-255) */
1192 io_write_and_or(sd, 0x02, 0x0f, 0x10);
1196 if (state->mode == ADV7842_MODE_COMP) {
1197 /* Receiving analog YPbPr signal
1199 io_write_and_or(sd, 0x02, 0x0f, 0xf0);
1204 /* Receiving HDMI signal
1206 io_write_and_or(sd, 0x02, 0x0f, 0xf0);
1210 /* Receiving DVI-D signal
1211 * ADV7842 selects RGB limited range regardless of
1212 * input format (CE/IT) in automatic mode */
1213 if (state->timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) {
1214 /* RGB limited range (16-235) */
1215 io_write_and_or(sd, 0x02, 0x0f, 0x00);
1217 /* RGB full range (0-255) */
1218 io_write_and_or(sd, 0x02, 0x0f, 0x10);
1220 if (is_digital_input(sd) && rgb_output) {
1221 adv7842_set_offset(sd, false, 0x40, 0x40, 0x40);
1223 adv7842_set_gain(sd, false, 0xe0, 0xe0, 0xe0);
1224 adv7842_set_offset(sd, false, 0x70, 0x70, 0x70);
1228 case V4L2_DV_RGB_RANGE_LIMITED:
1229 if (state->mode == ADV7842_MODE_COMP) {
1230 /* YCrCb limited range (16-235) */
1231 io_write_and_or(sd, 0x02, 0x0f, 0x20);
1235 if (y != HDMI_COLORSPACE_RGB)
1238 /* RGB limited range (16-235) */
1239 io_write_and_or(sd, 0x02, 0x0f, 0x00);
1242 case V4L2_DV_RGB_RANGE_FULL:
1243 if (state->mode == ADV7842_MODE_COMP) {
1244 /* YCrCb full range (0-255) */
1245 io_write_and_or(sd, 0x02, 0x0f, 0x60);
1249 if (y != HDMI_COLORSPACE_RGB)
1252 /* RGB full range (0-255) */
1253 io_write_and_or(sd, 0x02, 0x0f, 0x10);
1255 if (is_analog_input(sd) || hdmi_signal)
1258 /* Adjust gain/offset for DVI-D signals only */
1260 adv7842_set_offset(sd, false, 0x40, 0x40, 0x40);
1262 adv7842_set_gain(sd, false, 0xe0, 0xe0, 0xe0);
1263 adv7842_set_offset(sd, false, 0x70, 0x70, 0x70);
1269 static int adv7842_s_ctrl(struct v4l2_ctrl *ctrl)
1271 struct v4l2_subdev *sd = to_sd(ctrl);
1272 struct adv7842_state *state = to_state(sd);
1275 contrast/brightness/hue/free run is acting a bit strange,
1276 not sure if sdp csc is correct.
1279 /* standard ctrls */
1280 case V4L2_CID_BRIGHTNESS:
1281 cp_write(sd, 0x3c, ctrl->val);
1282 sdp_write(sd, 0x14, ctrl->val);
1283 /* ignore lsb sdp 0x17[3:2] */
1285 case V4L2_CID_CONTRAST:
1286 cp_write(sd, 0x3a, ctrl->val);
1287 sdp_write(sd, 0x13, ctrl->val);
1288 /* ignore lsb sdp 0x17[1:0] */
1290 case V4L2_CID_SATURATION:
1291 cp_write(sd, 0x3b, ctrl->val);
1292 sdp_write(sd, 0x15, ctrl->val);
1293 /* ignore lsb sdp 0x17[5:4] */
1296 cp_write(sd, 0x3d, ctrl->val);
1297 sdp_write(sd, 0x16, ctrl->val);
1298 /* ignore lsb sdp 0x17[7:6] */
1301 case V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE:
1302 afe_write(sd, 0xc8, ctrl->val);
1304 case V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL:
1305 cp_write_and_or(sd, 0xbf, ~0x04, (ctrl->val << 2));
1306 sdp_write_and_or(sd, 0xdd, ~0x04, (ctrl->val << 2));
1308 case V4L2_CID_ADV_RX_FREE_RUN_COLOR: {
1309 u8 R = (ctrl->val & 0xff0000) >> 16;
1310 u8 G = (ctrl->val & 0x00ff00) >> 8;
1311 u8 B = (ctrl->val & 0x0000ff);
1312 /* RGB -> YUV, numerical approximation */
1313 int Y = 66 * R + 129 * G + 25 * B;
1314 int U = -38 * R - 74 * G + 112 * B;
1315 int V = 112 * R - 94 * G - 18 * B;
1317 /* Scale down to 8 bits with rounding */
1321 /* make U,V positive */
1326 v4l2_dbg(1, debug, sd, "R %x, G %x, B %x\n", R, G, B);
1327 v4l2_dbg(1, debug, sd, "Y %x, U %x, V %x\n", Y, U, V);
1330 cp_write(sd, 0xc1, R);
1331 cp_write(sd, 0xc0, G);
1332 cp_write(sd, 0xc2, B);
1334 sdp_write(sd, 0xde, Y);
1335 sdp_write(sd, 0xdf, (V & 0xf0) | ((U >> 4) & 0x0f));
1338 case V4L2_CID_DV_RX_RGB_RANGE:
1339 state->rgb_quantization_range = ctrl->val;
1340 set_rgb_quantization_range(sd);
1346 static int adv7842_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
1348 struct v4l2_subdev *sd = to_sd(ctrl);
1350 if (ctrl->id == V4L2_CID_DV_RX_IT_CONTENT_TYPE) {
1351 ctrl->val = V4L2_DV_IT_CONTENT_TYPE_NO_ITC;
1352 if ((io_read(sd, 0x60) & 1) && (infoframe_read(sd, 0x03) & 0x80))
1353 ctrl->val = (infoframe_read(sd, 0x05) >> 4) & 3;
1359 static inline bool no_power(struct v4l2_subdev *sd)
1361 return io_read(sd, 0x0c) & 0x24;
1364 static inline bool no_cp_signal(struct v4l2_subdev *sd)
1366 return ((cp_read(sd, 0xb5) & 0xd0) != 0xd0) || !(cp_read(sd, 0xb1) & 0x80);
1369 static inline bool is_hdmi(struct v4l2_subdev *sd)
1371 return hdmi_read(sd, 0x05) & 0x80;
1374 static int adv7842_g_input_status(struct v4l2_subdev *sd, u32 *status)
1376 struct adv7842_state *state = to_state(sd);
1380 if (io_read(sd, 0x0c) & 0x24)
1381 *status |= V4L2_IN_ST_NO_POWER;
1383 if (state->mode == ADV7842_MODE_SDP) {
1384 /* status from SDP block */
1385 if (!(sdp_read(sd, 0x5A) & 0x01))
1386 *status |= V4L2_IN_ST_NO_SIGNAL;
1388 v4l2_dbg(1, debug, sd, "%s: SDP status = 0x%x\n",
1392 /* status from CP block */
1393 if ((cp_read(sd, 0xb5) & 0xd0) != 0xd0 ||
1394 !(cp_read(sd, 0xb1) & 0x80))
1395 /* TODO channel 2 */
1396 *status |= V4L2_IN_ST_NO_SIGNAL;
1398 if (is_digital_input(sd) && ((io_read(sd, 0x74) & 0x03) != 0x03))
1399 *status |= V4L2_IN_ST_NO_SIGNAL;
1401 v4l2_dbg(1, debug, sd, "%s: CP status = 0x%x\n",
1407 struct stdi_readback {
1413 static int stdi2dv_timings(struct v4l2_subdev *sd,
1414 struct stdi_readback *stdi,
1415 struct v4l2_dv_timings *timings)
1417 struct adv7842_state *state = to_state(sd);
1418 u32 hfreq = (ADV7842_fsc * 8) / stdi->bl;
1422 for (i = 0; v4l2_dv_timings_presets[i].bt.width; i++) {
1423 const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt;
1425 if (!v4l2_valid_dv_timings(&v4l2_dv_timings_presets[i],
1426 adv7842_get_dv_timings_cap(sd),
1427 adv7842_check_dv_timings, NULL))
1429 if (vtotal(bt) != stdi->lcf + 1)
1431 if (bt->vsync != stdi->lcvs)
1434 pix_clk = hfreq * htotal(bt);
1436 if ((pix_clk < bt->pixelclock + 1000000) &&
1437 (pix_clk > bt->pixelclock - 1000000)) {
1438 *timings = v4l2_dv_timings_presets[i];
1443 if (v4l2_detect_cvt(stdi->lcf + 1, hfreq, stdi->lcvs, 0,
1444 (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
1445 (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
1448 if (v4l2_detect_gtf(stdi->lcf + 1, hfreq, stdi->lcvs,
1449 (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
1450 (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
1451 false, state->aspect_ratio, timings))
1454 v4l2_dbg(2, debug, sd,
1455 "%s: No format candidate found for lcvs = %d, lcf=%d, bl = %d, %chsync, %cvsync\n",
1456 __func__, stdi->lcvs, stdi->lcf, stdi->bl,
1457 stdi->hs_pol, stdi->vs_pol);
1461 static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi)
1465 adv7842_g_input_status(sd, &status);
1466 if (status & V4L2_IN_ST_NO_SIGNAL) {
1467 v4l2_dbg(2, debug, sd, "%s: no signal\n", __func__);
1471 stdi->bl = ((cp_read(sd, 0xb1) & 0x3f) << 8) | cp_read(sd, 0xb2);
1472 stdi->lcf = ((cp_read(sd, 0xb3) & 0x7) << 8) | cp_read(sd, 0xb4);
1473 stdi->lcvs = cp_read(sd, 0xb3) >> 3;
1475 if ((cp_read(sd, 0xb5) & 0x80) && ((cp_read(sd, 0xb5) & 0x03) == 0x01)) {
1476 stdi->hs_pol = ((cp_read(sd, 0xb5) & 0x10) ?
1477 ((cp_read(sd, 0xb5) & 0x08) ? '+' : '-') : 'x');
1478 stdi->vs_pol = ((cp_read(sd, 0xb5) & 0x40) ?
1479 ((cp_read(sd, 0xb5) & 0x20) ? '+' : '-') : 'x');
1484 stdi->interlaced = (cp_read(sd, 0xb1) & 0x40) ? true : false;
1486 if (stdi->lcf < 239 || stdi->bl < 8 || stdi->bl == 0x3fff) {
1487 v4l2_dbg(2, debug, sd, "%s: invalid signal\n", __func__);
1491 v4l2_dbg(2, debug, sd,
1492 "%s: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, %chsync, %cvsync, %s\n",
1493 __func__, stdi->lcf, stdi->bl, stdi->lcvs,
1494 stdi->hs_pol, stdi->vs_pol,
1495 stdi->interlaced ? "interlaced" : "progressive");
1500 static int adv7842_enum_dv_timings(struct v4l2_subdev *sd,
1501 struct v4l2_enum_dv_timings *timings)
1503 if (timings->pad != 0)
1506 return v4l2_enum_dv_timings_cap(timings,
1507 adv7842_get_dv_timings_cap(sd), adv7842_check_dv_timings, NULL);
1510 static int adv7842_dv_timings_cap(struct v4l2_subdev *sd,
1511 struct v4l2_dv_timings_cap *cap)
1516 *cap = *adv7842_get_dv_timings_cap(sd);
1520 /* Fill the optional fields .standards and .flags in struct v4l2_dv_timings
1521 if the format is listed in adv7842_timings[] */
1522 static void adv7842_fill_optional_dv_timings_fields(struct v4l2_subdev *sd,
1523 struct v4l2_dv_timings *timings)
1525 v4l2_find_dv_timings_cap(timings, adv7842_get_dv_timings_cap(sd),
1526 is_digital_input(sd) ? 250000 : 1000000,
1527 adv7842_check_dv_timings, NULL);
1528 timings->bt.flags |= V4L2_DV_FL_CAN_DETECT_REDUCED_FPS;
1531 static int adv7842_query_dv_timings(struct v4l2_subdev *sd,
1532 struct v4l2_dv_timings *timings)
1534 struct adv7842_state *state = to_state(sd);
1535 struct v4l2_bt_timings *bt = &timings->bt;
1536 struct stdi_readback stdi = { 0 };
1538 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
1540 memset(timings, 0, sizeof(struct v4l2_dv_timings));
1543 if (state->mode == ADV7842_MODE_SDP)
1547 if (read_stdi(sd, &stdi)) {
1548 state->restart_stdi_once = true;
1549 v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__);
1552 bt->interlaced = stdi.interlaced ?
1553 V4L2_DV_INTERLACED : V4L2_DV_PROGRESSIVE;
1554 bt->standards = V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
1555 V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT;
1557 if (is_digital_input(sd)) {
1560 timings->type = V4L2_DV_BT_656_1120;
1562 bt->width = (hdmi_read(sd, 0x07) & 0x0f) * 256 + hdmi_read(sd, 0x08);
1563 bt->height = (hdmi_read(sd, 0x09) & 0x0f) * 256 + hdmi_read(sd, 0x0a);
1564 freq = ((hdmi_read(sd, 0x51) << 1) + (hdmi_read(sd, 0x52) >> 7)) * 1000000;
1565 freq += ((hdmi_read(sd, 0x52) & 0x7f) * 7813);
1567 /* adjust for deep color mode */
1568 freq = freq * 8 / (((hdmi_read(sd, 0x0b) & 0xc0) >> 6) * 2 + 8);
1570 bt->pixelclock = freq;
1571 bt->hfrontporch = (hdmi_read(sd, 0x20) & 0x03) * 256 +
1572 hdmi_read(sd, 0x21);
1573 bt->hsync = (hdmi_read(sd, 0x22) & 0x03) * 256 +
1574 hdmi_read(sd, 0x23);
1575 bt->hbackporch = (hdmi_read(sd, 0x24) & 0x03) * 256 +
1576 hdmi_read(sd, 0x25);
1577 bt->vfrontporch = ((hdmi_read(sd, 0x2a) & 0x1f) * 256 +
1578 hdmi_read(sd, 0x2b)) / 2;
1579 bt->vsync = ((hdmi_read(sd, 0x2e) & 0x1f) * 256 +
1580 hdmi_read(sd, 0x2f)) / 2;
1581 bt->vbackporch = ((hdmi_read(sd, 0x32) & 0x1f) * 256 +
1582 hdmi_read(sd, 0x33)) / 2;
1583 bt->polarities = ((hdmi_read(sd, 0x05) & 0x10) ? V4L2_DV_VSYNC_POS_POL : 0) |
1584 ((hdmi_read(sd, 0x05) & 0x20) ? V4L2_DV_HSYNC_POS_POL : 0);
1585 if (bt->interlaced == V4L2_DV_INTERLACED) {
1586 bt->height += (hdmi_read(sd, 0x0b) & 0x0f) * 256 +
1587 hdmi_read(sd, 0x0c);
1588 bt->il_vfrontporch = ((hdmi_read(sd, 0x2c) & 0x1f) * 256 +
1589 hdmi_read(sd, 0x2d)) / 2;
1590 bt->il_vsync = ((hdmi_read(sd, 0x30) & 0x1f) * 256 +
1591 hdmi_read(sd, 0x31)) / 2;
1592 bt->il_vbackporch = ((hdmi_read(sd, 0x34) & 0x1f) * 256 +
1593 hdmi_read(sd, 0x35)) / 2;
1595 bt->il_vfrontporch = 0;
1597 bt->il_vbackporch = 0;
1599 adv7842_fill_optional_dv_timings_fields(sd, timings);
1600 if ((timings->bt.flags & V4L2_DV_FL_CAN_REDUCE_FPS) &&
1601 freq < bt->pixelclock) {
1602 u32 reduced_freq = ((u32)bt->pixelclock / 1001) * 1000;
1603 u32 delta_freq = abs(freq - reduced_freq);
1605 if (delta_freq < ((u32)bt->pixelclock - reduced_freq) / 2)
1606 timings->bt.flags |= V4L2_DV_FL_REDUCED_FPS;
1610 * Since LCVS values are inaccurate [REF_03, p. 339-340],
1611 * stdi2dv_timings() is called with lcvs +-1 if the first attempt fails.
1613 if (!stdi2dv_timings(sd, &stdi, timings))
1616 v4l2_dbg(1, debug, sd, "%s: lcvs + 1 = %d\n", __func__, stdi.lcvs);
1617 if (!stdi2dv_timings(sd, &stdi, timings))
1620 v4l2_dbg(1, debug, sd, "%s: lcvs - 1 = %d\n", __func__, stdi.lcvs);
1621 if (stdi2dv_timings(sd, &stdi, timings)) {
1623 * The STDI block may measure wrong values, especially
1624 * for lcvs and lcf. If the driver can not find any
1625 * valid timing, the STDI block is restarted to measure
1626 * the video timings again. The function will return an
1627 * error, but the restart of STDI will generate a new
1628 * STDI interrupt and the format detection process will
1631 if (state->restart_stdi_once) {
1632 v4l2_dbg(1, debug, sd, "%s: restart STDI\n", __func__);
1633 /* TODO restart STDI for Sync Channel 2 */
1634 /* enter one-shot mode */
1635 cp_write_and_or(sd, 0x86, 0xf9, 0x00);
1636 /* trigger STDI restart */
1637 cp_write_and_or(sd, 0x86, 0xf9, 0x04);
1638 /* reset to continuous mode */
1639 cp_write_and_or(sd, 0x86, 0xf9, 0x02);
1640 state->restart_stdi_once = false;
1643 v4l2_dbg(1, debug, sd, "%s: format not supported\n", __func__);
1646 state->restart_stdi_once = true;
1651 v4l2_print_dv_timings(sd->name, "adv7842_query_dv_timings:",
1656 static int adv7842_s_dv_timings(struct v4l2_subdev *sd,
1657 struct v4l2_dv_timings *timings)
1659 struct adv7842_state *state = to_state(sd);
1660 struct v4l2_bt_timings *bt;
1663 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
1665 if (state->mode == ADV7842_MODE_SDP)
1668 if (v4l2_match_dv_timings(&state->timings, timings, 0, false)) {
1669 v4l2_dbg(1, debug, sd, "%s: no change\n", __func__);
1675 if (!v4l2_valid_dv_timings(timings, adv7842_get_dv_timings_cap(sd),
1676 adv7842_check_dv_timings, NULL))
1679 adv7842_fill_optional_dv_timings_fields(sd, timings);
1681 state->timings = *timings;
1683 cp_write(sd, 0x91, bt->interlaced ? 0x40 : 0x00);
1685 /* Use prim_mode and vid_std when available */
1686 err = configure_predefined_video_timings(sd, timings);
1688 /* custom settings when the video format
1689 does not have prim_mode/vid_std */
1690 configure_custom_video_timings(sd, bt);
1693 set_rgb_quantization_range(sd);
1697 v4l2_print_dv_timings(sd->name, "adv7842_s_dv_timings: ",
1702 static int adv7842_g_dv_timings(struct v4l2_subdev *sd,
1703 struct v4l2_dv_timings *timings)
1705 struct adv7842_state *state = to_state(sd);
1707 if (state->mode == ADV7842_MODE_SDP)
1709 *timings = state->timings;
1713 static void enable_input(struct v4l2_subdev *sd)
1715 struct adv7842_state *state = to_state(sd);
1717 set_rgb_quantization_range(sd);
1718 switch (state->mode) {
1719 case ADV7842_MODE_SDP:
1720 case ADV7842_MODE_COMP:
1721 case ADV7842_MODE_RGB:
1722 io_write(sd, 0x15, 0xb0); /* Disable Tristate of Pins (no audio) */
1724 case ADV7842_MODE_HDMI:
1725 hdmi_write(sd, 0x01, 0x00); /* Enable HDMI clock terminators */
1726 io_write(sd, 0x15, 0xa0); /* Disable Tristate of Pins */
1727 hdmi_write_and_or(sd, 0x1a, 0xef, 0x00); /* Unmute audio */
1730 v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
1731 __func__, state->mode);
1736 static void disable_input(struct v4l2_subdev *sd)
1738 hdmi_write_and_or(sd, 0x1a, 0xef, 0x10); /* Mute audio [REF_01, c. 2.2.2] */
1739 msleep(16); /* 512 samples with >= 32 kHz sample rate [REF_03, c. 8.29] */
1740 io_write(sd, 0x15, 0xbe); /* Tristate all outputs from video core */
1741 hdmi_write(sd, 0x01, 0x78); /* Disable HDMI clock terminators */
1744 static void sdp_csc_coeff(struct v4l2_subdev *sd,
1745 const struct adv7842_sdp_csc_coeff *c)
1747 /* csc auto/manual */
1748 sdp_io_write_and_or(sd, 0xe0, 0xbf, c->manual ? 0x00 : 0x40);
1754 sdp_io_write_and_or(sd, 0xe0, 0x7f, c->scaling == 2 ? 0x80 : 0x00);
1757 sdp_io_write_and_or(sd, 0xe0, 0xe0, c->A1 >> 8);
1758 sdp_io_write(sd, 0xe1, c->A1);
1759 sdp_io_write_and_or(sd, 0xe2, 0xe0, c->A2 >> 8);
1760 sdp_io_write(sd, 0xe3, c->A2);
1761 sdp_io_write_and_or(sd, 0xe4, 0xe0, c->A3 >> 8);
1762 sdp_io_write(sd, 0xe5, c->A3);
1765 sdp_io_write_and_or(sd, 0xe6, 0x80, c->A4 >> 8);
1766 sdp_io_write(sd, 0xe7, c->A4);
1769 sdp_io_write_and_or(sd, 0xe8, 0xe0, c->B1 >> 8);
1770 sdp_io_write(sd, 0xe9, c->B1);
1771 sdp_io_write_and_or(sd, 0xea, 0xe0, c->B2 >> 8);
1772 sdp_io_write(sd, 0xeb, c->B2);
1773 sdp_io_write_and_or(sd, 0xec, 0xe0, c->B3 >> 8);
1774 sdp_io_write(sd, 0xed, c->B3);
1777 sdp_io_write_and_or(sd, 0xee, 0x80, c->B4 >> 8);
1778 sdp_io_write(sd, 0xef, c->B4);
1781 sdp_io_write_and_or(sd, 0xf0, 0xe0, c->C1 >> 8);
1782 sdp_io_write(sd, 0xf1, c->C1);
1783 sdp_io_write_and_or(sd, 0xf2, 0xe0, c->C2 >> 8);
1784 sdp_io_write(sd, 0xf3, c->C2);
1785 sdp_io_write_and_or(sd, 0xf4, 0xe0, c->C3 >> 8);
1786 sdp_io_write(sd, 0xf5, c->C3);
1789 sdp_io_write_and_or(sd, 0xf6, 0x80, c->C4 >> 8);
1790 sdp_io_write(sd, 0xf7, c->C4);
1793 static void select_input(struct v4l2_subdev *sd,
1794 enum adv7842_vid_std_select vid_std_select)
1796 struct adv7842_state *state = to_state(sd);
1798 switch (state->mode) {
1799 case ADV7842_MODE_SDP:
1800 io_write(sd, 0x00, vid_std_select); /* video std: CVBS or YC mode */
1801 io_write(sd, 0x01, 0); /* prim mode */
1802 /* enable embedded syncs for auto graphics mode */
1803 cp_write_and_or(sd, 0x81, 0xef, 0x10);
1805 afe_write(sd, 0x00, 0x00); /* power up ADC */
1806 afe_write(sd, 0xc8, 0x00); /* phase control */
1808 io_write(sd, 0xdd, 0x90); /* Manual 2x output clock */
1809 /* script says register 0xde, which don't exist in manual */
1811 /* Manual analog input muxing mode, CVBS (6.4)*/
1812 afe_write_and_or(sd, 0x02, 0x7f, 0x80);
1813 if (vid_std_select == ADV7842_SDP_VID_STD_CVBS_SD_4x1) {
1814 afe_write(sd, 0x03, 0xa0); /* ADC0 to AIN10 (CVBS), ADC1 N/C*/
1815 afe_write(sd, 0x04, 0x00); /* ADC2 N/C,ADC3 N/C*/
1817 afe_write(sd, 0x03, 0xa0); /* ADC0 to AIN10 (CVBS), ADC1 N/C*/
1818 afe_write(sd, 0x04, 0xc0); /* ADC2 to AIN12, ADC3 N/C*/
1820 afe_write(sd, 0x0c, 0x1f); /* ADI recommend write */
1821 afe_write(sd, 0x12, 0x63); /* ADI recommend write */
1823 sdp_io_write(sd, 0xb2, 0x60); /* Disable AV codes */
1824 sdp_io_write(sd, 0xc8, 0xe3); /* Disable Ancillary data */
1826 /* SDP recommended settings */
1827 sdp_write(sd, 0x00, 0x3F); /* Autodetect PAL NTSC (not SECAM) */
1828 sdp_write(sd, 0x01, 0x00); /* Pedestal Off */
1830 sdp_write(sd, 0x03, 0xE4); /* Manual VCR Gain Luma 0x40B */
1831 sdp_write(sd, 0x04, 0x0B); /* Manual Luma setting */
1832 sdp_write(sd, 0x05, 0xC3); /* Manual Chroma setting 0x3FE */
1833 sdp_write(sd, 0x06, 0xFE); /* Manual Chroma setting */
1834 sdp_write(sd, 0x12, 0x0D); /* Frame TBC,I_P, 3D comb enabled */
1835 sdp_write(sd, 0xA7, 0x00); /* ADI Recommended Write */
1836 sdp_io_write(sd, 0xB0, 0x00); /* Disable H and v blanking */
1838 /* deinterlacer enabled and 3D comb */
1839 sdp_write_and_or(sd, 0x12, 0xf6, 0x09);
1843 case ADV7842_MODE_COMP:
1844 case ADV7842_MODE_RGB:
1845 /* Automatic analog input muxing mode */
1846 afe_write_and_or(sd, 0x02, 0x7f, 0x00);
1847 /* set mode and select free run resolution */
1848 io_write(sd, 0x00, vid_std_select); /* video std */
1849 io_write(sd, 0x01, 0x02); /* prim mode */
1850 cp_write_and_or(sd, 0x81, 0xef, 0x10); /* enable embedded syncs
1851 for auto graphics mode */
1853 afe_write(sd, 0x00, 0x00); /* power up ADC */
1854 afe_write(sd, 0xc8, 0x00); /* phase control */
1855 if (state->mode == ADV7842_MODE_COMP) {
1856 /* force to YCrCb */
1857 io_write_and_or(sd, 0x02, 0x0f, 0x60);
1860 io_write_and_or(sd, 0x02, 0x0f, 0x10);
1863 /* set ADI recommended settings for digitizer */
1864 /* "ADV7842 Register Settings Recommendations
1865 * (rev. 1.8, November 2010)" p. 9. */
1866 afe_write(sd, 0x0c, 0x1f); /* ADC Range improvement */
1867 afe_write(sd, 0x12, 0x63); /* ADC Range improvement */
1869 /* set to default gain for RGB */
1870 cp_write(sd, 0x73, 0x10);
1871 cp_write(sd, 0x74, 0x04);
1872 cp_write(sd, 0x75, 0x01);
1873 cp_write(sd, 0x76, 0x00);
1875 cp_write(sd, 0x3e, 0x04); /* CP core pre-gain control */
1876 cp_write(sd, 0xc3, 0x39); /* CP coast control. Graphics mode */
1877 cp_write(sd, 0x40, 0x5c); /* CP core pre-gain control. Graphics mode */
1880 case ADV7842_MODE_HDMI:
1881 /* Automatic analog input muxing mode */
1882 afe_write_and_or(sd, 0x02, 0x7f, 0x00);
1883 /* set mode and select free run resolution */
1884 if (state->hdmi_port_a)
1885 hdmi_write(sd, 0x00, 0x02); /* select port A */
1887 hdmi_write(sd, 0x00, 0x03); /* select port B */
1888 io_write(sd, 0x00, vid_std_select); /* video std */
1889 io_write(sd, 0x01, 5); /* prim mode */
1890 cp_write_and_or(sd, 0x81, 0xef, 0x00); /* disable embedded syncs
1891 for auto graphics mode */
1893 /* set ADI recommended settings for HDMI: */
1894 /* "ADV7842 Register Settings Recommendations
1895 * (rev. 1.8, November 2010)" p. 3. */
1896 hdmi_write(sd, 0xc0, 0x00);
1897 hdmi_write(sd, 0x0d, 0x34); /* ADI recommended write */
1898 hdmi_write(sd, 0x3d, 0x10); /* ADI recommended write */
1899 hdmi_write(sd, 0x44, 0x85); /* TMDS PLL optimization */
1900 hdmi_write(sd, 0x46, 0x1f); /* ADI recommended write */
1901 hdmi_write(sd, 0x57, 0xb6); /* TMDS PLL optimization */
1902 hdmi_write(sd, 0x58, 0x03); /* TMDS PLL optimization */
1903 hdmi_write(sd, 0x60, 0x88); /* TMDS PLL optimization */
1904 hdmi_write(sd, 0x61, 0x88); /* TMDS PLL optimization */
1905 hdmi_write(sd, 0x6c, 0x18); /* Disable ISRC clearing bit,
1906 Improve robustness */
1907 hdmi_write(sd, 0x75, 0x10); /* DDC drive strength */
1908 hdmi_write(sd, 0x85, 0x1f); /* equaliser */
1909 hdmi_write(sd, 0x87, 0x70); /* ADI recommended write */
1910 hdmi_write(sd, 0x89, 0x04); /* equaliser */
1911 hdmi_write(sd, 0x8a, 0x1e); /* equaliser */
1912 hdmi_write(sd, 0x93, 0x04); /* equaliser */
1913 hdmi_write(sd, 0x94, 0x1e); /* equaliser */
1914 hdmi_write(sd, 0x99, 0xa1); /* ADI recommended write */
1915 hdmi_write(sd, 0x9b, 0x09); /* ADI recommended write */
1916 hdmi_write(sd, 0x9d, 0x02); /* equaliser */
1918 afe_write(sd, 0x00, 0xff); /* power down ADC */
1919 afe_write(sd, 0xc8, 0x40); /* phase control */
1921 /* set to default gain for HDMI */
1922 cp_write(sd, 0x73, 0x10);
1923 cp_write(sd, 0x74, 0x04);
1924 cp_write(sd, 0x75, 0x01);
1925 cp_write(sd, 0x76, 0x00);
1927 /* reset ADI recommended settings for digitizer */
1928 /* "ADV7842 Register Settings Recommendations
1929 * (rev. 2.5, June 2010)" p. 17. */
1930 afe_write(sd, 0x12, 0xfb); /* ADC noise shaping filter controls */
1931 afe_write(sd, 0x0c, 0x0d); /* CP core gain controls */
1932 cp_write(sd, 0x3e, 0x00); /* CP core pre-gain control */
1934 /* CP coast control */
1935 cp_write(sd, 0xc3, 0x33); /* Component mode */
1937 /* color space conversion, autodetect color space */
1938 io_write_and_or(sd, 0x02, 0x0f, 0xf0);
1942 v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
1943 __func__, state->mode);
1948 static int adv7842_s_routing(struct v4l2_subdev *sd,
1949 u32 input, u32 output, u32 config)
1951 struct adv7842_state *state = to_state(sd);
1953 v4l2_dbg(2, debug, sd, "%s: input %d\n", __func__, input);
1956 case ADV7842_SELECT_HDMI_PORT_A:
1957 state->mode = ADV7842_MODE_HDMI;
1958 state->vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P;
1959 state->hdmi_port_a = true;
1961 case ADV7842_SELECT_HDMI_PORT_B:
1962 state->mode = ADV7842_MODE_HDMI;
1963 state->vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P;
1964 state->hdmi_port_a = false;
1966 case ADV7842_SELECT_VGA_COMP:
1967 state->mode = ADV7842_MODE_COMP;
1968 state->vid_std_select = ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE;
1970 case ADV7842_SELECT_VGA_RGB:
1971 state->mode = ADV7842_MODE_RGB;
1972 state->vid_std_select = ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE;
1974 case ADV7842_SELECT_SDP_CVBS:
1975 state->mode = ADV7842_MODE_SDP;
1976 state->vid_std_select = ADV7842_SDP_VID_STD_CVBS_SD_4x1;
1978 case ADV7842_SELECT_SDP_YC:
1979 state->mode = ADV7842_MODE_SDP;
1980 state->vid_std_select = ADV7842_SDP_VID_STD_YC_SD4_x1;
1987 select_input(sd, state->vid_std_select);
1990 v4l2_subdev_notify_event(sd, &adv7842_ev_fmt);
1995 static int adv7842_enum_mbus_code(struct v4l2_subdev *sd,
1996 struct v4l2_subdev_state *sd_state,
1997 struct v4l2_subdev_mbus_code_enum *code)
1999 if (code->index >= ARRAY_SIZE(adv7842_formats))
2001 code->code = adv7842_formats[code->index].code;
2005 static void adv7842_fill_format(struct adv7842_state *state,
2006 struct v4l2_mbus_framefmt *format)
2008 memset(format, 0, sizeof(*format));
2010 format->width = state->timings.bt.width;
2011 format->height = state->timings.bt.height;
2012 format->field = V4L2_FIELD_NONE;
2013 format->colorspace = V4L2_COLORSPACE_SRGB;
2015 if (state->timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO)
2016 format->colorspace = (state->timings.bt.height <= 576) ?
2017 V4L2_COLORSPACE_SMPTE170M : V4L2_COLORSPACE_REC709;
2021 * Compute the op_ch_sel value required to obtain on the bus the component order
2022 * corresponding to the selected format taking into account bus reordering
2023 * applied by the board at the output of the device.
2025 * The following table gives the op_ch_value from the format component order
2026 * (expressed as op_ch_sel value in column) and the bus reordering (expressed as
2027 * adv7842_bus_order value in row).
2029 * | GBR(0) GRB(1) BGR(2) RGB(3) BRG(4) RBG(5)
2030 * ----------+-------------------------------------------------
2031 * RGB (NOP) | GBR GRB BGR RGB BRG RBG
2032 * GRB (1-2) | BGR RGB GBR GRB RBG BRG
2033 * RBG (2-3) | GRB GBR BRG RBG BGR RGB
2034 * BGR (1-3) | RBG BRG RGB BGR GRB GBR
2035 * BRG (ROR) | BRG RBG GRB GBR RGB BGR
2036 * GBR (ROL) | RGB BGR RBG BRG GBR GRB
2038 static unsigned int adv7842_op_ch_sel(struct adv7842_state *state)
2040 #define _SEL(a, b, c, d, e, f) { \
2041 ADV7842_OP_CH_SEL_##a, ADV7842_OP_CH_SEL_##b, ADV7842_OP_CH_SEL_##c, \
2042 ADV7842_OP_CH_SEL_##d, ADV7842_OP_CH_SEL_##e, ADV7842_OP_CH_SEL_##f }
2043 #define _BUS(x) [ADV7842_BUS_ORDER_##x]
2045 static const unsigned int op_ch_sel[6][6] = {
2046 _BUS(RGB) /* NOP */ = _SEL(GBR, GRB, BGR, RGB, BRG, RBG),
2047 _BUS(GRB) /* 1-2 */ = _SEL(BGR, RGB, GBR, GRB, RBG, BRG),
2048 _BUS(RBG) /* 2-3 */ = _SEL(GRB, GBR, BRG, RBG, BGR, RGB),
2049 _BUS(BGR) /* 1-3 */ = _SEL(RBG, BRG, RGB, BGR, GRB, GBR),
2050 _BUS(BRG) /* ROR */ = _SEL(BRG, RBG, GRB, GBR, RGB, BGR),
2051 _BUS(GBR) /* ROL */ = _SEL(RGB, BGR, RBG, BRG, GBR, GRB),
2054 return op_ch_sel[state->pdata.bus_order][state->format->op_ch_sel >> 5];
2057 static void adv7842_setup_format(struct adv7842_state *state)
2059 struct v4l2_subdev *sd = &state->sd;
2061 io_write_clr_set(sd, 0x02, 0x02,
2062 state->format->rgb_out ? ADV7842_RGB_OUT : 0);
2063 io_write(sd, 0x03, state->format->op_format_sel |
2064 state->pdata.op_format_mode_sel);
2065 io_write_clr_set(sd, 0x04, 0xe0, adv7842_op_ch_sel(state));
2066 io_write_clr_set(sd, 0x05, 0x01,
2067 state->format->swap_cb_cr ? ADV7842_OP_SWAP_CB_CR : 0);
2068 set_rgb_quantization_range(sd);
2071 static int adv7842_get_format(struct v4l2_subdev *sd,
2072 struct v4l2_subdev_state *sd_state,
2073 struct v4l2_subdev_format *format)
2075 struct adv7842_state *state = to_state(sd);
2077 if (format->pad != ADV7842_PAD_SOURCE)
2080 if (state->mode == ADV7842_MODE_SDP) {
2082 if (!(sdp_read(sd, 0x5a) & 0x01))
2084 format->format.code = MEDIA_BUS_FMT_YUYV8_2X8;
2085 format->format.width = 720;
2087 if (state->norm & V4L2_STD_525_60)
2088 format->format.height = 480;
2090 format->format.height = 576;
2091 format->format.colorspace = V4L2_COLORSPACE_SMPTE170M;
2095 adv7842_fill_format(state, &format->format);
2097 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
2098 struct v4l2_mbus_framefmt *fmt;
2100 fmt = v4l2_subdev_get_try_format(sd, sd_state, format->pad);
2101 format->format.code = fmt->code;
2103 format->format.code = state->format->code;
2109 static int adv7842_set_format(struct v4l2_subdev *sd,
2110 struct v4l2_subdev_state *sd_state,
2111 struct v4l2_subdev_format *format)
2113 struct adv7842_state *state = to_state(sd);
2114 const struct adv7842_format_info *info;
2116 if (format->pad != ADV7842_PAD_SOURCE)
2119 if (state->mode == ADV7842_MODE_SDP)
2120 return adv7842_get_format(sd, sd_state, format);
2122 info = adv7842_format_info(state, format->format.code);
2124 info = adv7842_format_info(state, MEDIA_BUS_FMT_YUYV8_2X8);
2126 adv7842_fill_format(state, &format->format);
2127 format->format.code = info->code;
2129 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
2130 struct v4l2_mbus_framefmt *fmt;
2132 fmt = v4l2_subdev_get_try_format(sd, sd_state, format->pad);
2133 fmt->code = format->format.code;
2135 state->format = info;
2136 adv7842_setup_format(state);
2142 static void adv7842_irq_enable(struct v4l2_subdev *sd, bool enable)
2145 /* Enable SSPD, STDI and CP locked/unlocked interrupts */
2146 io_write(sd, 0x46, 0x9c);
2147 /* ESDP_50HZ_DET interrupt */
2148 io_write(sd, 0x5a, 0x10);
2149 /* Enable CABLE_DET_A/B_ST (+5v) interrupt */
2150 io_write(sd, 0x73, 0x03);
2151 /* Enable V_LOCKED and DE_REGEN_LCK interrupts */
2152 io_write(sd, 0x78, 0x03);
2153 /* Enable SDP Standard Detection Change and SDP Video Detected */
2154 io_write(sd, 0xa0, 0x09);
2155 /* Enable HDMI_MODE interrupt */
2156 io_write(sd, 0x69, 0x08);
2158 io_write(sd, 0x46, 0x0);
2159 io_write(sd, 0x5a, 0x0);
2160 io_write(sd, 0x73, 0x0);
2161 io_write(sd, 0x78, 0x0);
2162 io_write(sd, 0xa0, 0x0);
2163 io_write(sd, 0x69, 0x0);
2167 #if IS_ENABLED(CONFIG_VIDEO_ADV7842_CEC)
2168 static void adv7842_cec_tx_raw_status(struct v4l2_subdev *sd, u8 tx_raw_status)
2170 struct adv7842_state *state = to_state(sd);
2172 if ((cec_read(sd, 0x11) & 0x01) == 0) {
2173 v4l2_dbg(1, debug, sd, "%s: tx raw: tx disabled\n", __func__);
2177 if (tx_raw_status & 0x02) {
2178 v4l2_dbg(1, debug, sd, "%s: tx raw: arbitration lost\n",
2180 cec_transmit_done(state->cec_adap, CEC_TX_STATUS_ARB_LOST,
2184 if (tx_raw_status & 0x04) {
2189 v4l2_dbg(1, debug, sd, "%s: tx raw: retry failed\n", __func__);
2191 * We set this status bit since this hardware performs
2194 status = CEC_TX_STATUS_MAX_RETRIES;
2195 nack_cnt = cec_read(sd, 0x14) & 0xf;
2197 status |= CEC_TX_STATUS_NACK;
2198 low_drive_cnt = cec_read(sd, 0x14) >> 4;
2200 status |= CEC_TX_STATUS_LOW_DRIVE;
2201 cec_transmit_done(state->cec_adap, status,
2202 0, nack_cnt, low_drive_cnt, 0);
2205 if (tx_raw_status & 0x01) {
2206 v4l2_dbg(1, debug, sd, "%s: tx raw: ready ok\n", __func__);
2207 cec_transmit_done(state->cec_adap, CEC_TX_STATUS_OK, 0, 0, 0, 0);
2212 static void adv7842_cec_isr(struct v4l2_subdev *sd, bool *handled)
2216 /* cec controller */
2217 cec_irq = io_read(sd, 0x93) & 0x0f;
2221 v4l2_dbg(1, debug, sd, "%s: cec: irq 0x%x\n", __func__, cec_irq);
2222 adv7842_cec_tx_raw_status(sd, cec_irq);
2223 if (cec_irq & 0x08) {
2224 struct adv7842_state *state = to_state(sd);
2227 msg.len = cec_read(sd, 0x25) & 0x1f;
2234 for (i = 0; i < msg.len; i++)
2235 msg.msg[i] = cec_read(sd, i + 0x15);
2236 cec_write(sd, 0x26, 0x01); /* re-enable rx */
2237 cec_received_msg(state->cec_adap, &msg);
2241 io_write(sd, 0x94, cec_irq);
2247 static int adv7842_cec_adap_enable(struct cec_adapter *adap, bool enable)
2249 struct adv7842_state *state = cec_get_drvdata(adap);
2250 struct v4l2_subdev *sd = &state->sd;
2252 if (!state->cec_enabled_adap && enable) {
2253 cec_write_clr_set(sd, 0x2a, 0x01, 0x01); /* power up cec */
2254 cec_write(sd, 0x2c, 0x01); /* cec soft reset */
2255 cec_write_clr_set(sd, 0x11, 0x01, 0); /* initially disable tx */
2258 /* tx: arbitration lost */
2259 /* tx: retry timeout */
2261 io_write_clr_set(sd, 0x96, 0x0f, 0x0f);
2262 cec_write(sd, 0x26, 0x01); /* enable rx */
2263 } else if (state->cec_enabled_adap && !enable) {
2264 /* disable cec interrupts */
2265 io_write_clr_set(sd, 0x96, 0x0f, 0x00);
2266 /* disable address mask 1-3 */
2267 cec_write_clr_set(sd, 0x27, 0x70, 0x00);
2268 /* power down cec section */
2269 cec_write_clr_set(sd, 0x2a, 0x01, 0x00);
2270 state->cec_valid_addrs = 0;
2272 state->cec_enabled_adap = enable;
2276 static int adv7842_cec_adap_log_addr(struct cec_adapter *adap, u8 addr)
2278 struct adv7842_state *state = cec_get_drvdata(adap);
2279 struct v4l2_subdev *sd = &state->sd;
2280 unsigned int i, free_idx = ADV7842_MAX_ADDRS;
2282 if (!state->cec_enabled_adap)
2283 return addr == CEC_LOG_ADDR_INVALID ? 0 : -EIO;
2285 if (addr == CEC_LOG_ADDR_INVALID) {
2286 cec_write_clr_set(sd, 0x27, 0x70, 0);
2287 state->cec_valid_addrs = 0;
2291 for (i = 0; i < ADV7842_MAX_ADDRS; i++) {
2292 bool is_valid = state->cec_valid_addrs & (1 << i);
2294 if (free_idx == ADV7842_MAX_ADDRS && !is_valid)
2296 if (is_valid && state->cec_addr[i] == addr)
2299 if (i == ADV7842_MAX_ADDRS) {
2301 if (i == ADV7842_MAX_ADDRS)
2304 state->cec_addr[i] = addr;
2305 state->cec_valid_addrs |= 1 << i;
2309 /* enable address mask 0 */
2310 cec_write_clr_set(sd, 0x27, 0x10, 0x10);
2311 /* set address for mask 0 */
2312 cec_write_clr_set(sd, 0x28, 0x0f, addr);
2315 /* enable address mask 1 */
2316 cec_write_clr_set(sd, 0x27, 0x20, 0x20);
2317 /* set address for mask 1 */
2318 cec_write_clr_set(sd, 0x28, 0xf0, addr << 4);
2321 /* enable address mask 2 */
2322 cec_write_clr_set(sd, 0x27, 0x40, 0x40);
2323 /* set address for mask 1 */
2324 cec_write_clr_set(sd, 0x29, 0x0f, addr);
2330 static int adv7842_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
2331 u32 signal_free_time, struct cec_msg *msg)
2333 struct adv7842_state *state = cec_get_drvdata(adap);
2334 struct v4l2_subdev *sd = &state->sd;
2339 * The number of retries is the number of attempts - 1, but retry
2340 * at least once. It's not clear if a value of 0 is allowed, so
2341 * let's do at least one retry.
2343 cec_write_clr_set(sd, 0x12, 0x70, max(1, attempts - 1) << 4);
2346 v4l2_err(sd, "%s: len exceeded 16 (%d)\n", __func__, len);
2351 for (i = 0; i < len; i++)
2352 cec_write(sd, i, msg->msg[i]);
2354 /* set length (data + header) */
2355 cec_write(sd, 0x10, len);
2356 /* start transmit, enable tx */
2357 cec_write(sd, 0x11, 0x01);
2361 static const struct cec_adap_ops adv7842_cec_adap_ops = {
2362 .adap_enable = adv7842_cec_adap_enable,
2363 .adap_log_addr = adv7842_cec_adap_log_addr,
2364 .adap_transmit = adv7842_cec_adap_transmit,
2368 static int adv7842_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
2370 struct adv7842_state *state = to_state(sd);
2371 u8 fmt_change_cp, fmt_change_digital, fmt_change_sdp;
2374 adv7842_irq_enable(sd, false);
2377 irq_status[0] = io_read(sd, 0x43);
2378 irq_status[1] = io_read(sd, 0x57);
2379 irq_status[2] = io_read(sd, 0x70);
2380 irq_status[3] = io_read(sd, 0x75);
2381 irq_status[4] = io_read(sd, 0x9d);
2382 irq_status[5] = io_read(sd, 0x66);
2386 io_write(sd, 0x44, irq_status[0]);
2388 io_write(sd, 0x58, irq_status[1]);
2390 io_write(sd, 0x71, irq_status[2]);
2392 io_write(sd, 0x76, irq_status[3]);
2394 io_write(sd, 0x9e, irq_status[4]);
2396 io_write(sd, 0x67, irq_status[5]);
2398 adv7842_irq_enable(sd, true);
2400 v4l2_dbg(1, debug, sd, "%s: irq %x, %x, %x, %x, %x, %x\n", __func__,
2401 irq_status[0], irq_status[1], irq_status[2],
2402 irq_status[3], irq_status[4], irq_status[5]);
2404 /* format change CP */
2405 fmt_change_cp = irq_status[0] & 0x9c;
2407 /* format change SDP */
2408 if (state->mode == ADV7842_MODE_SDP)
2409 fmt_change_sdp = (irq_status[1] & 0x30) | (irq_status[4] & 0x09);
2413 /* digital format CP */
2414 if (is_digital_input(sd))
2415 fmt_change_digital = irq_status[3] & 0x03;
2417 fmt_change_digital = 0;
2420 if (fmt_change_cp || fmt_change_digital || fmt_change_sdp) {
2421 v4l2_dbg(1, debug, sd,
2422 "%s: fmt_change_cp = 0x%x, fmt_change_digital = 0x%x, fmt_change_sdp = 0x%x\n",
2423 __func__, fmt_change_cp, fmt_change_digital,
2425 v4l2_subdev_notify_event(sd, &adv7842_ev_fmt);
2431 if (irq_status[5] & 0x08) {
2432 v4l2_dbg(1, debug, sd, "%s: irq %s mode\n", __func__,
2433 (io_read(sd, 0x65) & 0x08) ? "HDMI" : "DVI");
2434 set_rgb_quantization_range(sd);
2439 #if IS_ENABLED(CONFIG_VIDEO_ADV7842_CEC)
2441 adv7842_cec_isr(sd, handled);
2445 if (irq_status[2] & 0x3) {
2446 v4l2_dbg(1, debug, sd, "%s: irq tx_5v\n", __func__);
2447 adv7842_s_detect_tx_5v_ctrl(sd);
2454 static int adv7842_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid)
2456 struct adv7842_state *state = to_state(sd);
2460 memset(edid->reserved, 0, sizeof(edid->reserved));
2462 switch (edid->pad) {
2463 case ADV7842_EDID_PORT_A:
2464 case ADV7842_EDID_PORT_B:
2465 if (state->hdmi_edid.present & (0x04 << edid->pad)) {
2466 data = state->hdmi_edid.edid;
2467 blocks = state->hdmi_edid.blocks;
2470 case ADV7842_EDID_PORT_VGA:
2471 if (state->vga_edid.present) {
2472 data = state->vga_edid.edid;
2473 blocks = state->vga_edid.blocks;
2480 if (edid->start_block == 0 && edid->blocks == 0) {
2481 edid->blocks = blocks;
2488 if (edid->start_block >= blocks)
2491 if (edid->start_block + edid->blocks > blocks)
2492 edid->blocks = blocks - edid->start_block;
2494 memcpy(edid->edid, data + edid->start_block * 128, edid->blocks * 128);
2500 * If the VGA_EDID_ENABLE bit is set (Repeater Map 0x7f, bit 7), then
2501 * the first two blocks of the EDID are for the HDMI, and the first block
2502 * of segment 1 (i.e. the third block of the EDID) is for VGA.
2503 * So if a VGA EDID is installed, then the maximum size of the HDMI EDID
2506 static int adv7842_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *e)
2508 struct adv7842_state *state = to_state(sd);
2509 unsigned int max_blocks = e->pad == ADV7842_EDID_PORT_VGA ? 1 : 4;
2512 memset(e->reserved, 0, sizeof(e->reserved));
2514 if (e->pad > ADV7842_EDID_PORT_VGA)
2516 if (e->start_block != 0)
2518 if (e->pad < ADV7842_EDID_PORT_VGA && state->vga_edid.blocks)
2520 if (e->pad == ADV7842_EDID_PORT_VGA && state->hdmi_edid.blocks > 2)
2522 if (e->blocks > max_blocks) {
2523 e->blocks = max_blocks;
2527 /* todo, per edid */
2529 state->aspect_ratio = v4l2_calc_aspect_ratio(e->edid[0x15],
2533 case ADV7842_EDID_PORT_VGA:
2534 memset(&state->vga_edid.edid, 0, sizeof(state->vga_edid.edid));
2535 state->vga_edid.blocks = e->blocks;
2536 state->vga_edid.present = e->blocks ? 0x1 : 0x0;
2538 memcpy(&state->vga_edid.edid, e->edid, 128 * e->blocks);
2539 err = edid_write_vga_segment(sd);
2541 case ADV7842_EDID_PORT_A:
2542 case ADV7842_EDID_PORT_B:
2543 memset(&state->hdmi_edid.edid, 0, sizeof(state->hdmi_edid.edid));
2544 state->hdmi_edid.blocks = e->blocks;
2546 state->hdmi_edid.present |= 0x04 << e->pad;
2547 memcpy(&state->hdmi_edid.edid, e->edid, 128 * e->blocks);
2549 state->hdmi_edid.present &= ~(0x04 << e->pad);
2550 adv7842_s_detect_tx_5v_ctrl(sd);
2552 err = edid_write_hdmi_segment(sd, e->pad);
2558 v4l2_err(sd, "error %d writing edid on port %d\n", err, e->pad);
2562 struct adv7842_cfg_read_infoframe {
2569 static void log_infoframe(struct v4l2_subdev *sd, const struct adv7842_cfg_read_infoframe *cri)
2573 union hdmi_infoframe frame;
2575 struct i2c_client *client = v4l2_get_subdevdata(sd);
2576 struct device *dev = &client->dev;
2578 if (!(io_read(sd, 0x60) & cri->present_mask)) {
2579 v4l2_info(sd, "%s infoframe not received\n", cri->desc);
2583 for (i = 0; i < 3; i++)
2584 buffer[i] = infoframe_read(sd, cri->head_addr + i);
2586 len = buffer[2] + 1;
2588 if (len + 3 > sizeof(buffer)) {
2589 v4l2_err(sd, "%s: invalid %s infoframe length %d\n", __func__, cri->desc, len);
2593 for (i = 0; i < len; i++)
2594 buffer[i + 3] = infoframe_read(sd, cri->payload_addr + i);
2596 if (hdmi_infoframe_unpack(&frame, buffer, sizeof(buffer)) < 0) {
2597 v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, cri->desc);
2601 hdmi_infoframe_log(KERN_INFO, dev, &frame);
2604 static void adv7842_log_infoframes(struct v4l2_subdev *sd)
2607 static const struct adv7842_cfg_read_infoframe cri[] = {
2608 { "AVI", 0x01, 0xe0, 0x00 },
2609 { "Audio", 0x02, 0xe3, 0x1c },
2610 { "SDP", 0x04, 0xe6, 0x2a },
2611 { "Vendor", 0x10, 0xec, 0x54 }
2614 if (!(hdmi_read(sd, 0x05) & 0x80)) {
2615 v4l2_info(sd, "receive DVI-D signal, no infoframes\n");
2619 for (i = 0; i < ARRAY_SIZE(cri); i++)
2620 log_infoframe(sd, &cri[i]);
2624 /* Let's keep it here for now, as it could be useful for debug */
2625 static const char * const prim_mode_txt[] = {
2630 "CVBS & HDMI AUDIO",
2645 static int adv7842_sdp_log_status(struct v4l2_subdev *sd)
2647 /* SDP (Standard definition processor) block */
2648 u8 sdp_signal_detected = sdp_read(sd, 0x5A) & 0x01;
2650 v4l2_info(sd, "Chip powered %s\n", no_power(sd) ? "off" : "on");
2651 v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x\n",
2652 io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f);
2654 v4l2_info(sd, "SDP: free run: %s\n",
2655 (sdp_read(sd, 0x56) & 0x01) ? "on" : "off");
2656 v4l2_info(sd, "SDP: %s\n", sdp_signal_detected ?
2657 "valid SD/PR signal detected" : "invalid/no signal");
2658 if (sdp_signal_detected) {
2659 static const char * const sdp_std_txt[] = {
2667 "7?", "8?", "9?", "a?", "b?",
2673 v4l2_info(sd, "SDP: standard %s\n",
2674 sdp_std_txt[sdp_read(sd, 0x52) & 0x0f]);
2675 v4l2_info(sd, "SDP: %s\n",
2676 (sdp_read(sd, 0x59) & 0x08) ? "50Hz" : "60Hz");
2677 v4l2_info(sd, "SDP: %s\n",
2678 (sdp_read(sd, 0x57) & 0x08) ? "Interlaced" : "Progressive");
2679 v4l2_info(sd, "SDP: deinterlacer %s\n",
2680 (sdp_read(sd, 0x12) & 0x08) ? "enabled" : "disabled");
2681 v4l2_info(sd, "SDP: csc %s mode\n",
2682 (sdp_io_read(sd, 0xe0) & 0x40) ? "auto" : "manual");
2687 static int adv7842_cp_log_status(struct v4l2_subdev *sd)
2690 struct adv7842_state *state = to_state(sd);
2691 struct v4l2_dv_timings timings;
2692 u8 reg_io_0x02 = io_read(sd, 0x02);
2693 u8 reg_io_0x21 = io_read(sd, 0x21);
2694 u8 reg_rep_0x77 = rep_read(sd, 0x77);
2695 u8 reg_rep_0x7d = rep_read(sd, 0x7d);
2696 bool audio_pll_locked = hdmi_read(sd, 0x04) & 0x01;
2697 bool audio_sample_packet_detect = hdmi_read(sd, 0x18) & 0x01;
2698 bool audio_mute = io_read(sd, 0x65) & 0x40;
2700 static const char * const csc_coeff_sel_rb[16] = {
2701 "bypassed", "YPbPr601 -> RGB", "reserved", "YPbPr709 -> RGB",
2702 "reserved", "RGB -> YPbPr601", "reserved", "RGB -> YPbPr709",
2703 "reserved", "YPbPr709 -> YPbPr601", "YPbPr601 -> YPbPr709",
2704 "reserved", "reserved", "reserved", "reserved", "manual"
2706 static const char * const input_color_space_txt[16] = {
2707 "RGB limited range (16-235)", "RGB full range (0-255)",
2708 "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)",
2709 "xvYCC Bt.601", "xvYCC Bt.709",
2710 "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)",
2711 "invalid", "invalid", "invalid", "invalid", "invalid",
2712 "invalid", "invalid", "automatic"
2714 static const char * const rgb_quantization_range_txt[] = {
2716 "RGB limited range (16-235)",
2717 "RGB full range (0-255)",
2719 static const char * const deep_color_mode_txt[4] = {
2720 "8-bits per channel",
2721 "10-bits per channel",
2722 "12-bits per channel",
2723 "16-bits per channel (not supported)"
2726 v4l2_info(sd, "-----Chip status-----\n");
2727 v4l2_info(sd, "Chip power: %s\n", no_power(sd) ? "off" : "on");
2728 v4l2_info(sd, "HDMI/DVI-D port selected: %s\n",
2729 state->hdmi_port_a ? "A" : "B");
2730 v4l2_info(sd, "EDID A %s, B %s\n",
2731 ((reg_rep_0x7d & 0x04) && (reg_rep_0x77 & 0x04)) ?
2732 "enabled" : "disabled",
2733 ((reg_rep_0x7d & 0x08) && (reg_rep_0x77 & 0x08)) ?
2734 "enabled" : "disabled");
2735 v4l2_info(sd, "HPD A %s, B %s\n",
2736 reg_io_0x21 & 0x02 ? "enabled" : "disabled",
2737 reg_io_0x21 & 0x01 ? "enabled" : "disabled");
2738 v4l2_info(sd, "CEC: %s\n", state->cec_enabled_adap ?
2739 "enabled" : "disabled");
2740 if (state->cec_enabled_adap) {
2743 for (i = 0; i < ADV7842_MAX_ADDRS; i++) {
2744 bool is_valid = state->cec_valid_addrs & (1 << i);
2747 v4l2_info(sd, "CEC Logical Address: 0x%x\n",
2748 state->cec_addr[i]);
2752 v4l2_info(sd, "-----Signal status-----\n");
2753 if (state->hdmi_port_a) {
2754 v4l2_info(sd, "Cable detected (+5V power): %s\n",
2755 io_read(sd, 0x6f) & 0x02 ? "true" : "false");
2756 v4l2_info(sd, "TMDS signal detected: %s\n",
2757 (io_read(sd, 0x6a) & 0x02) ? "true" : "false");
2758 v4l2_info(sd, "TMDS signal locked: %s\n",
2759 (io_read(sd, 0x6a) & 0x20) ? "true" : "false");
2761 v4l2_info(sd, "Cable detected (+5V power):%s\n",
2762 io_read(sd, 0x6f) & 0x01 ? "true" : "false");
2763 v4l2_info(sd, "TMDS signal detected: %s\n",
2764 (io_read(sd, 0x6a) & 0x01) ? "true" : "false");
2765 v4l2_info(sd, "TMDS signal locked: %s\n",
2766 (io_read(sd, 0x6a) & 0x10) ? "true" : "false");
2768 v4l2_info(sd, "CP free run: %s\n",
2769 (!!(cp_read(sd, 0xff) & 0x10) ? "on" : "off"));
2770 v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x, v_freq = 0x%x\n",
2771 io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f,
2772 (io_read(sd, 0x01) & 0x70) >> 4);
2774 v4l2_info(sd, "-----Video Timings-----\n");
2775 if (no_cp_signal(sd)) {
2776 v4l2_info(sd, "STDI: not locked\n");
2778 u32 bl = ((cp_read(sd, 0xb1) & 0x3f) << 8) | cp_read(sd, 0xb2);
2779 u32 lcf = ((cp_read(sd, 0xb3) & 0x7) << 8) | cp_read(sd, 0xb4);
2780 u32 lcvs = cp_read(sd, 0xb3) >> 3;
2781 u32 fcl = ((cp_read(sd, 0xb8) & 0x1f) << 8) | cp_read(sd, 0xb9);
2782 char hs_pol = ((cp_read(sd, 0xb5) & 0x10) ?
2783 ((cp_read(sd, 0xb5) & 0x08) ? '+' : '-') : 'x');
2784 char vs_pol = ((cp_read(sd, 0xb5) & 0x40) ?
2785 ((cp_read(sd, 0xb5) & 0x20) ? '+' : '-') : 'x');
2787 "STDI: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, fcl = %d, %s, %chsync, %cvsync\n",
2789 (cp_read(sd, 0xb1) & 0x40) ?
2790 "interlaced" : "progressive",
2793 if (adv7842_query_dv_timings(sd, &timings))
2794 v4l2_info(sd, "No video detected\n");
2796 v4l2_print_dv_timings(sd->name, "Detected format: ",
2798 v4l2_print_dv_timings(sd->name, "Configured format: ",
2799 &state->timings, true);
2801 if (no_cp_signal(sd))
2804 v4l2_info(sd, "-----Color space-----\n");
2805 v4l2_info(sd, "RGB quantization range ctrl: %s\n",
2806 rgb_quantization_range_txt[state->rgb_quantization_range]);
2807 v4l2_info(sd, "Input color space: %s\n",
2808 input_color_space_txt[reg_io_0x02 >> 4]);
2809 v4l2_info(sd, "Output color space: %s %s, alt-gamma %s\n",
2810 (reg_io_0x02 & 0x02) ? "RGB" : "YCbCr",
2811 (((reg_io_0x02 >> 2) & 0x01) ^ (reg_io_0x02 & 0x01)) ?
2812 "(16-235)" : "(0-255)",
2813 (reg_io_0x02 & 0x08) ? "enabled" : "disabled");
2814 v4l2_info(sd, "Color space conversion: %s\n",
2815 csc_coeff_sel_rb[cp_read(sd, 0xf4) >> 4]);
2817 if (!is_digital_input(sd))
2820 v4l2_info(sd, "-----%s status-----\n", is_hdmi(sd) ? "HDMI" : "DVI-D");
2821 v4l2_info(sd, "HDCP encrypted content: %s\n",
2822 (hdmi_read(sd, 0x05) & 0x40) ? "true" : "false");
2823 v4l2_info(sd, "HDCP keys read: %s%s\n",
2824 (hdmi_read(sd, 0x04) & 0x20) ? "yes" : "no",
2825 (hdmi_read(sd, 0x04) & 0x10) ? "ERROR" : "");
2829 v4l2_info(sd, "Audio: pll %s, samples %s, %s\n",
2830 audio_pll_locked ? "locked" : "not locked",
2831 audio_sample_packet_detect ? "detected" : "not detected",
2832 audio_mute ? "muted" : "enabled");
2833 if (audio_pll_locked && audio_sample_packet_detect) {
2834 v4l2_info(sd, "Audio format: %s\n",
2835 (hdmi_read(sd, 0x07) & 0x40) ? "multi-channel" : "stereo");
2837 v4l2_info(sd, "Audio CTS: %u\n", (hdmi_read(sd, 0x5b) << 12) +
2838 (hdmi_read(sd, 0x5c) << 8) +
2839 (hdmi_read(sd, 0x5d) & 0xf0));
2840 v4l2_info(sd, "Audio N: %u\n", ((hdmi_read(sd, 0x5d) & 0x0f) << 16) +
2841 (hdmi_read(sd, 0x5e) << 8) +
2842 hdmi_read(sd, 0x5f));
2843 v4l2_info(sd, "AV Mute: %s\n",
2844 (hdmi_read(sd, 0x04) & 0x40) ? "on" : "off");
2845 v4l2_info(sd, "Deep color mode: %s\n",
2846 deep_color_mode_txt[hdmi_read(sd, 0x0b) >> 6]);
2848 adv7842_log_infoframes(sd);
2853 static int adv7842_log_status(struct v4l2_subdev *sd)
2855 struct adv7842_state *state = to_state(sd);
2857 if (state->mode == ADV7842_MODE_SDP)
2858 return adv7842_sdp_log_status(sd);
2859 return adv7842_cp_log_status(sd);
2862 static int adv7842_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
2864 struct adv7842_state *state = to_state(sd);
2866 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
2868 if (state->mode != ADV7842_MODE_SDP)
2871 if (!(sdp_read(sd, 0x5A) & 0x01)) {
2873 v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__);
2877 switch (sdp_read(sd, 0x52) & 0x0f) {
2880 *std &= V4L2_STD_NTSC;
2884 *std &= V4L2_STD_NTSC_443;
2888 *std &= V4L2_STD_SECAM;
2892 *std &= V4L2_STD_PAL_M;
2896 *std &= V4L2_STD_PAL_60;
2900 *std &= V4L2_STD_PAL_Nc;
2904 *std &= V4L2_STD_PAL;
2908 *std &= V4L2_STD_SECAM;
2911 *std &= V4L2_STD_ALL;
2917 static void adv7842_s_sdp_io(struct v4l2_subdev *sd, struct adv7842_sdp_io_sync_adjustment *s)
2919 if (s && s->adjust) {
2920 sdp_io_write(sd, 0x94, (s->hs_beg >> 8) & 0xf);
2921 sdp_io_write(sd, 0x95, s->hs_beg & 0xff);
2922 sdp_io_write(sd, 0x96, (s->hs_width >> 8) & 0xf);
2923 sdp_io_write(sd, 0x97, s->hs_width & 0xff);
2924 sdp_io_write(sd, 0x98, (s->de_beg >> 8) & 0xf);
2925 sdp_io_write(sd, 0x99, s->de_beg & 0xff);
2926 sdp_io_write(sd, 0x9a, (s->de_end >> 8) & 0xf);
2927 sdp_io_write(sd, 0x9b, s->de_end & 0xff);
2928 sdp_io_write(sd, 0xa8, s->vs_beg_o);
2929 sdp_io_write(sd, 0xa9, s->vs_beg_e);
2930 sdp_io_write(sd, 0xaa, s->vs_end_o);
2931 sdp_io_write(sd, 0xab, s->vs_end_e);
2932 sdp_io_write(sd, 0xac, s->de_v_beg_o);
2933 sdp_io_write(sd, 0xad, s->de_v_beg_e);
2934 sdp_io_write(sd, 0xae, s->de_v_end_o);
2935 sdp_io_write(sd, 0xaf, s->de_v_end_e);
2937 /* set to default */
2938 sdp_io_write(sd, 0x94, 0x00);
2939 sdp_io_write(sd, 0x95, 0x00);
2940 sdp_io_write(sd, 0x96, 0x00);
2941 sdp_io_write(sd, 0x97, 0x20);
2942 sdp_io_write(sd, 0x98, 0x00);
2943 sdp_io_write(sd, 0x99, 0x00);
2944 sdp_io_write(sd, 0x9a, 0x00);
2945 sdp_io_write(sd, 0x9b, 0x00);
2946 sdp_io_write(sd, 0xa8, 0x04);
2947 sdp_io_write(sd, 0xa9, 0x04);
2948 sdp_io_write(sd, 0xaa, 0x04);
2949 sdp_io_write(sd, 0xab, 0x04);
2950 sdp_io_write(sd, 0xac, 0x04);
2951 sdp_io_write(sd, 0xad, 0x04);
2952 sdp_io_write(sd, 0xae, 0x04);
2953 sdp_io_write(sd, 0xaf, 0x04);
2957 static int adv7842_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
2959 struct adv7842_state *state = to_state(sd);
2960 struct adv7842_platform_data *pdata = &state->pdata;
2962 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
2964 if (state->mode != ADV7842_MODE_SDP)
2967 if (norm & V4L2_STD_625_50)
2968 adv7842_s_sdp_io(sd, &pdata->sdp_io_sync_625);
2969 else if (norm & V4L2_STD_525_60)
2970 adv7842_s_sdp_io(sd, &pdata->sdp_io_sync_525);
2972 adv7842_s_sdp_io(sd, NULL);
2974 if (norm & V4L2_STD_ALL) {
2981 static int adv7842_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
2983 struct adv7842_state *state = to_state(sd);
2985 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
2987 if (state->mode != ADV7842_MODE_SDP)
2990 *norm = state->norm;
2994 /* ----------------------------------------------------------------------- */
2996 static int adv7842_core_init(struct v4l2_subdev *sd)
2998 struct adv7842_state *state = to_state(sd);
2999 struct adv7842_platform_data *pdata = &state->pdata;
3000 hdmi_write(sd, 0x48,
3001 (pdata->disable_pwrdnb ? 0x80 : 0) |
3002 (pdata->disable_cable_det_rst ? 0x40 : 0));
3007 * Disable I2C access to internal EDID ram from HDMI DDC ports
3008 * Disable auto edid enable when leaving powerdown mode
3010 rep_write_and_or(sd, 0x77, 0xd3, 0x20);
3013 io_write(sd, 0x0c, 0x42); /* Power up part and power down VDP */
3014 io_write(sd, 0x15, 0x80); /* Power up pads */
3017 io_write(sd, 0x02, 0xf0 | pdata->alt_gamma << 3);
3018 io_write_and_or(sd, 0x05, 0xf0, pdata->blank_data << 3 |
3019 pdata->insert_av_codes << 2 |
3020 pdata->replicate_av_codes << 1);
3021 adv7842_setup_format(state);
3024 hdmi_write_and_or(sd, 0x1a, 0xf1, 0x08); /* Wait 1 s before unmute */
3026 /* Drive strength */
3027 io_write_and_or(sd, 0x14, 0xc0,
3028 pdata->dr_str_data << 4 |
3029 pdata->dr_str_clk << 2 |
3030 pdata->dr_str_sync);
3033 cp_write_and_or(sd, 0xba, 0xfc, pdata->hdmi_free_run_enable |
3034 (pdata->hdmi_free_run_mode << 1));
3037 sdp_write_and_or(sd, 0xdd, 0xf0, pdata->sdp_free_run_force |
3038 (pdata->sdp_free_run_cbar_en << 1) |
3039 (pdata->sdp_free_run_man_col_en << 2) |
3040 (pdata->sdp_free_run_auto << 3));
3042 /* TODO from platform data */
3043 cp_write(sd, 0x69, 0x14); /* Enable CP CSC */
3044 io_write(sd, 0x06, 0xa6); /* positive VS and HS and DE */
3045 cp_write(sd, 0xf3, 0xdc); /* Low threshold to enter/exit free run mode */
3046 afe_write(sd, 0xb5, 0x01); /* Setting MCLK to 256Fs */
3048 afe_write(sd, 0x02, pdata->ain_sel); /* Select analog input muxing mode */
3049 io_write_and_or(sd, 0x30, ~(1 << 4), pdata->output_bus_lsb_to_msb << 4);
3051 sdp_csc_coeff(sd, &pdata->sdp_csc_coeff);
3053 /* todo, improve settings for sdram */
3054 if (pdata->sd_ram_size >= 128) {
3055 sdp_write(sd, 0x12, 0x0d); /* Frame TBC,3D comb enabled */
3056 if (pdata->sd_ram_ddr) {
3057 /* SDP setup for the AD eval board */
3058 sdp_io_write(sd, 0x6f, 0x00); /* DDR mode */
3059 sdp_io_write(sd, 0x75, 0x0a); /* 128 MB memory size */
3060 sdp_io_write(sd, 0x7a, 0xa5); /* Timing Adjustment */
3061 sdp_io_write(sd, 0x7b, 0x8f); /* Timing Adjustment */
3062 sdp_io_write(sd, 0x60, 0x01); /* SDRAM reset */
3064 sdp_io_write(sd, 0x75, 0x0a); /* 64 MB memory size ?*/
3065 sdp_io_write(sd, 0x74, 0x00); /* must be zero for sdr sdram */
3066 sdp_io_write(sd, 0x79, 0x33); /* CAS latency to 3,
3067 depends on memory */
3068 sdp_io_write(sd, 0x6f, 0x01); /* SDR mode */
3069 sdp_io_write(sd, 0x7a, 0xa5); /* Timing Adjustment */
3070 sdp_io_write(sd, 0x7b, 0x8f); /* Timing Adjustment */
3071 sdp_io_write(sd, 0x60, 0x01); /* SDRAM reset */
3075 * Manual UG-214, rev 0 is bit confusing on this bit
3076 * but a '1' disables any signal if the Ram is active.
3078 sdp_io_write(sd, 0x29, 0x10); /* Tristate memory interface */
3081 select_input(sd, pdata->vid_std_select);
3085 if (pdata->hpa_auto) {
3086 /* HPA auto, HPA 0.5s after Edid set and Cable detect */
3087 hdmi_write(sd, 0x69, 0x5c);
3090 hdmi_write(sd, 0x69, 0xa3);
3091 /* HPA disable on port A and B */
3092 io_write_and_or(sd, 0x20, 0xcf, 0x00);
3096 io_write(sd, 0x19, 0x80 | pdata->llc_dll_phase);
3097 io_write(sd, 0x33, 0x40);
3100 io_write(sd, 0x40, 0xf2); /* Configure INT1 */
3102 adv7842_irq_enable(sd, true);
3104 return v4l2_ctrl_handler_setup(sd->ctrl_handler);
3107 /* ----------------------------------------------------------------------- */
3109 static int adv7842_ddr_ram_test(struct v4l2_subdev *sd)
3112 * From ADV784x external Memory test.pdf
3114 * Reset must just been performed before running test.
3115 * Recommended to reset after test.
3122 io_write(sd, 0x00, 0x01); /* Program SDP 4x1 */
3123 io_write(sd, 0x01, 0x00); /* Program SDP mode */
3124 afe_write(sd, 0x80, 0x92); /* SDP Recommended Write */
3125 afe_write(sd, 0x9B, 0x01); /* SDP Recommended Write ADV7844ES1 */
3126 afe_write(sd, 0x9C, 0x60); /* SDP Recommended Write ADV7844ES1 */
3127 afe_write(sd, 0x9E, 0x02); /* SDP Recommended Write ADV7844ES1 */
3128 afe_write(sd, 0xA0, 0x0B); /* SDP Recommended Write ADV7844ES1 */
3129 afe_write(sd, 0xC3, 0x02); /* Memory BIST Initialisation */
3130 io_write(sd, 0x0C, 0x40); /* Power up ADV7844 */
3131 io_write(sd, 0x15, 0xBA); /* Enable outputs */
3132 sdp_write(sd, 0x12, 0x00); /* Disable 3D comb, Frame TBC & 3DNR */
3133 io_write(sd, 0xFF, 0x04); /* Reset memory controller */
3135 usleep_range(5000, 6000);
3137 sdp_write(sd, 0x12, 0x00); /* Disable 3D Comb, Frame TBC & 3DNR */
3138 sdp_io_write(sd, 0x2A, 0x01); /* Memory BIST Initialisation */
3139 sdp_io_write(sd, 0x7c, 0x19); /* Memory BIST Initialisation */
3140 sdp_io_write(sd, 0x80, 0x87); /* Memory BIST Initialisation */
3141 sdp_io_write(sd, 0x81, 0x4a); /* Memory BIST Initialisation */
3142 sdp_io_write(sd, 0x82, 0x2c); /* Memory BIST Initialisation */
3143 sdp_io_write(sd, 0x83, 0x0e); /* Memory BIST Initialisation */
3144 sdp_io_write(sd, 0x84, 0x94); /* Memory BIST Initialisation */
3145 sdp_io_write(sd, 0x85, 0x62); /* Memory BIST Initialisation */
3146 sdp_io_write(sd, 0x7d, 0x00); /* Memory BIST Initialisation */
3147 sdp_io_write(sd, 0x7e, 0x1a); /* Memory BIST Initialisation */
3149 usleep_range(5000, 6000);
3151 sdp_io_write(sd, 0xd9, 0xd5); /* Enable BIST Test */
3152 sdp_write(sd, 0x12, 0x05); /* Enable FRAME TBC & 3D COMB */
3156 for (i = 0; i < 10; i++) {
3157 u8 result = sdp_io_read(sd, 0xdb);
3158 if (result & 0x10) {
3168 v4l2_dbg(1, debug, sd,
3169 "Ram Test: completed %d of %d: pass %d, fail %d\n",
3170 complete, i, pass, fail);
3172 if (!complete || fail)
3177 static void adv7842_rewrite_i2c_addresses(struct v4l2_subdev *sd,
3178 struct adv7842_platform_data *pdata)
3180 io_write(sd, 0xf1, pdata->i2c_sdp << 1);
3181 io_write(sd, 0xf2, pdata->i2c_sdp_io << 1);
3182 io_write(sd, 0xf3, pdata->i2c_avlink << 1);
3183 io_write(sd, 0xf4, pdata->i2c_cec << 1);
3184 io_write(sd, 0xf5, pdata->i2c_infoframe << 1);
3186 io_write(sd, 0xf8, pdata->i2c_afe << 1);
3187 io_write(sd, 0xf9, pdata->i2c_repeater << 1);
3188 io_write(sd, 0xfa, pdata->i2c_edid << 1);
3189 io_write(sd, 0xfb, pdata->i2c_hdmi << 1);
3191 io_write(sd, 0xfd, pdata->i2c_cp << 1);
3192 io_write(sd, 0xfe, pdata->i2c_vdp << 1);
3195 static int adv7842_command_ram_test(struct v4l2_subdev *sd)
3197 struct i2c_client *client = v4l2_get_subdevdata(sd);
3198 struct adv7842_state *state = to_state(sd);
3199 struct adv7842_platform_data *pdata = client->dev.platform_data;
3200 struct v4l2_dv_timings timings;
3206 if (!pdata->sd_ram_size || !pdata->sd_ram_ddr) {
3207 v4l2_info(sd, "no sdram or no ddr sdram\n");
3213 adv7842_rewrite_i2c_addresses(sd, pdata);
3216 ret = adv7842_ddr_ram_test(sd);
3220 adv7842_rewrite_i2c_addresses(sd, pdata);
3222 /* and re-init chip and state */
3223 adv7842_core_init(sd);
3227 select_input(sd, state->vid_std_select);
3231 edid_write_vga_segment(sd);
3232 edid_write_hdmi_segment(sd, ADV7842_EDID_PORT_A);
3233 edid_write_hdmi_segment(sd, ADV7842_EDID_PORT_B);
3235 timings = state->timings;
3237 memset(&state->timings, 0, sizeof(struct v4l2_dv_timings));
3239 adv7842_s_dv_timings(sd, &timings);
3244 static long adv7842_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
3247 case ADV7842_CMD_RAM_TEST:
3248 return adv7842_command_ram_test(sd);
3253 static int adv7842_subscribe_event(struct v4l2_subdev *sd,
3255 struct v4l2_event_subscription *sub)
3257 switch (sub->type) {
3258 case V4L2_EVENT_SOURCE_CHANGE:
3259 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
3260 case V4L2_EVENT_CTRL:
3261 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
3267 static int adv7842_registered(struct v4l2_subdev *sd)
3269 struct adv7842_state *state = to_state(sd);
3270 struct i2c_client *client = v4l2_get_subdevdata(sd);
3273 err = cec_register_adapter(state->cec_adap, &client->dev);
3275 cec_delete_adapter(state->cec_adap);
3279 static void adv7842_unregistered(struct v4l2_subdev *sd)
3281 struct adv7842_state *state = to_state(sd);
3283 cec_unregister_adapter(state->cec_adap);
3286 /* ----------------------------------------------------------------------- */
3288 static const struct v4l2_ctrl_ops adv7842_ctrl_ops = {
3289 .s_ctrl = adv7842_s_ctrl,
3290 .g_volatile_ctrl = adv7842_g_volatile_ctrl,
3293 static const struct v4l2_subdev_core_ops adv7842_core_ops = {
3294 .log_status = adv7842_log_status,
3295 .ioctl = adv7842_ioctl,
3296 .interrupt_service_routine = adv7842_isr,
3297 .subscribe_event = adv7842_subscribe_event,
3298 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
3299 #ifdef CONFIG_VIDEO_ADV_DEBUG
3300 .g_register = adv7842_g_register,
3301 .s_register = adv7842_s_register,
3305 static const struct v4l2_subdev_video_ops adv7842_video_ops = {
3306 .g_std = adv7842_g_std,
3307 .s_std = adv7842_s_std,
3308 .s_routing = adv7842_s_routing,
3309 .querystd = adv7842_querystd,
3310 .g_input_status = adv7842_g_input_status,
3311 .s_dv_timings = adv7842_s_dv_timings,
3312 .g_dv_timings = adv7842_g_dv_timings,
3313 .query_dv_timings = adv7842_query_dv_timings,
3316 static const struct v4l2_subdev_pad_ops adv7842_pad_ops = {
3317 .enum_mbus_code = adv7842_enum_mbus_code,
3318 .get_fmt = adv7842_get_format,
3319 .set_fmt = adv7842_set_format,
3320 .get_edid = adv7842_get_edid,
3321 .set_edid = adv7842_set_edid,
3322 .enum_dv_timings = adv7842_enum_dv_timings,
3323 .dv_timings_cap = adv7842_dv_timings_cap,
3326 static const struct v4l2_subdev_ops adv7842_ops = {
3327 .core = &adv7842_core_ops,
3328 .video = &adv7842_video_ops,
3329 .pad = &adv7842_pad_ops,
3332 static const struct v4l2_subdev_internal_ops adv7842_int_ops = {
3333 .registered = adv7842_registered,
3334 .unregistered = adv7842_unregistered,
3337 /* -------------------------- custom ctrls ---------------------------------- */
3339 static const struct v4l2_ctrl_config adv7842_ctrl_analog_sampling_phase = {
3340 .ops = &adv7842_ctrl_ops,
3341 .id = V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE,
3342 .name = "Analog Sampling Phase",
3343 .type = V4L2_CTRL_TYPE_INTEGER,
3350 static const struct v4l2_ctrl_config adv7842_ctrl_free_run_color_manual = {
3351 .ops = &adv7842_ctrl_ops,
3352 .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL,
3353 .name = "Free Running Color, Manual",
3354 .type = V4L2_CTRL_TYPE_BOOLEAN,
3360 static const struct v4l2_ctrl_config adv7842_ctrl_free_run_color = {
3361 .ops = &adv7842_ctrl_ops,
3362 .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR,
3363 .name = "Free Running Color",
3364 .type = V4L2_CTRL_TYPE_INTEGER,
3370 static void adv7842_unregister_clients(struct v4l2_subdev *sd)
3372 struct adv7842_state *state = to_state(sd);
3373 i2c_unregister_device(state->i2c_avlink);
3374 i2c_unregister_device(state->i2c_cec);
3375 i2c_unregister_device(state->i2c_infoframe);
3376 i2c_unregister_device(state->i2c_sdp_io);
3377 i2c_unregister_device(state->i2c_sdp);
3378 i2c_unregister_device(state->i2c_afe);
3379 i2c_unregister_device(state->i2c_repeater);
3380 i2c_unregister_device(state->i2c_edid);
3381 i2c_unregister_device(state->i2c_hdmi);
3382 i2c_unregister_device(state->i2c_cp);
3383 i2c_unregister_device(state->i2c_vdp);
3385 state->i2c_avlink = NULL;
3386 state->i2c_cec = NULL;
3387 state->i2c_infoframe = NULL;
3388 state->i2c_sdp_io = NULL;
3389 state->i2c_sdp = NULL;
3390 state->i2c_afe = NULL;
3391 state->i2c_repeater = NULL;
3392 state->i2c_edid = NULL;
3393 state->i2c_hdmi = NULL;
3394 state->i2c_cp = NULL;
3395 state->i2c_vdp = NULL;
3398 static struct i2c_client *adv7842_dummy_client(struct v4l2_subdev *sd, const char *desc,
3401 struct i2c_client *client = v4l2_get_subdevdata(sd);
3402 struct i2c_client *cp;
3404 io_write(sd, io_reg, addr << 1);
3407 v4l2_err(sd, "no %s i2c addr configured\n", desc);
3411 cp = i2c_new_dummy_device(client->adapter, io_read(sd, io_reg) >> 1);
3413 v4l2_err(sd, "register %s on i2c addr 0x%x failed with %ld\n",
3414 desc, addr, PTR_ERR(cp));
3421 static int adv7842_register_clients(struct v4l2_subdev *sd)
3423 struct adv7842_state *state = to_state(sd);
3424 struct adv7842_platform_data *pdata = &state->pdata;
3426 state->i2c_avlink = adv7842_dummy_client(sd, "avlink", pdata->i2c_avlink, 0xf3);
3427 state->i2c_cec = adv7842_dummy_client(sd, "cec", pdata->i2c_cec, 0xf4);
3428 state->i2c_infoframe = adv7842_dummy_client(sd, "infoframe", pdata->i2c_infoframe, 0xf5);
3429 state->i2c_sdp_io = adv7842_dummy_client(sd, "sdp_io", pdata->i2c_sdp_io, 0xf2);
3430 state->i2c_sdp = adv7842_dummy_client(sd, "sdp", pdata->i2c_sdp, 0xf1);
3431 state->i2c_afe = adv7842_dummy_client(sd, "afe", pdata->i2c_afe, 0xf8);
3432 state->i2c_repeater = adv7842_dummy_client(sd, "repeater", pdata->i2c_repeater, 0xf9);
3433 state->i2c_edid = adv7842_dummy_client(sd, "edid", pdata->i2c_edid, 0xfa);
3434 state->i2c_hdmi = adv7842_dummy_client(sd, "hdmi", pdata->i2c_hdmi, 0xfb);
3435 state->i2c_cp = adv7842_dummy_client(sd, "cp", pdata->i2c_cp, 0xfd);
3436 state->i2c_vdp = adv7842_dummy_client(sd, "vdp", pdata->i2c_vdp, 0xfe);
3438 if (!state->i2c_avlink ||
3440 !state->i2c_infoframe ||
3441 !state->i2c_sdp_io ||
3444 !state->i2c_repeater ||
3454 static int adv7842_probe(struct i2c_client *client,
3455 const struct i2c_device_id *id)
3457 struct adv7842_state *state;
3458 static const struct v4l2_dv_timings cea640x480 =
3459 V4L2_DV_BT_CEA_640X480P59_94;
3460 struct adv7842_platform_data *pdata = client->dev.platform_data;
3461 struct v4l2_ctrl_handler *hdl;
3462 struct v4l2_ctrl *ctrl;
3463 struct v4l2_subdev *sd;
3468 /* Check if the adapter supports the needed features */
3469 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
3472 v4l_dbg(1, debug, client, "detecting adv7842 client on address 0x%x\n",
3476 v4l_err(client, "No platform data!\n");
3480 state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
3485 state->pdata = *pdata;
3486 state->timings = cea640x480;
3487 state->format = adv7842_format_info(state, MEDIA_BUS_FMT_YUYV8_2X8);
3490 v4l2_i2c_subdev_init(sd, client, &adv7842_ops);
3491 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
3492 sd->internal_ops = &adv7842_int_ops;
3493 state->mode = pdata->mode;
3495 state->hdmi_port_a = pdata->input == ADV7842_SELECT_HDMI_PORT_A;
3496 state->restart_stdi_once = true;
3498 /* i2c access to adv7842? */
3499 rev = adv_smbus_read_byte_data_check(client, 0xea, false) << 8 |
3500 adv_smbus_read_byte_data_check(client, 0xeb, false);
3501 if (rev != 0x2012) {
3502 v4l2_info(sd, "got rev=0x%04x on first read attempt\n", rev);
3503 rev = adv_smbus_read_byte_data_check(client, 0xea, false) << 8 |
3504 adv_smbus_read_byte_data_check(client, 0xeb, false);
3506 if (rev != 0x2012) {
3507 v4l2_info(sd, "not an adv7842 on address 0x%x (rev=0x%04x)\n",
3508 client->addr << 1, rev);
3512 if (pdata->chip_reset)
3515 /* control handlers */
3517 v4l2_ctrl_handler_init(hdl, 6);
3519 /* add in ascending ID order */
3520 v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops,
3521 V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
3522 v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops,
3523 V4L2_CID_CONTRAST, 0, 255, 1, 128);
3524 v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops,
3525 V4L2_CID_SATURATION, 0, 255, 1, 128);
3526 v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops,
3527 V4L2_CID_HUE, 0, 128, 1, 0);
3528 ctrl = v4l2_ctrl_new_std_menu(hdl, &adv7842_ctrl_ops,
3529 V4L2_CID_DV_RX_IT_CONTENT_TYPE, V4L2_DV_IT_CONTENT_TYPE_NO_ITC,
3530 0, V4L2_DV_IT_CONTENT_TYPE_NO_ITC);
3532 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
3534 /* custom controls */
3535 state->detect_tx_5v_ctrl = v4l2_ctrl_new_std(hdl, NULL,
3536 V4L2_CID_DV_RX_POWER_PRESENT, 0, 3, 0, 0);
3537 state->analog_sampling_phase_ctrl = v4l2_ctrl_new_custom(hdl,
3538 &adv7842_ctrl_analog_sampling_phase, NULL);
3539 state->free_run_color_ctrl_manual = v4l2_ctrl_new_custom(hdl,
3540 &adv7842_ctrl_free_run_color_manual, NULL);
3541 state->free_run_color_ctrl = v4l2_ctrl_new_custom(hdl,
3542 &adv7842_ctrl_free_run_color, NULL);
3543 state->rgb_quantization_range_ctrl =
3544 v4l2_ctrl_new_std_menu(hdl, &adv7842_ctrl_ops,
3545 V4L2_CID_DV_RX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL,
3546 0, V4L2_DV_RGB_RANGE_AUTO);
3547 sd->ctrl_handler = hdl;
3552 if (adv7842_s_detect_tx_5v_ctrl(sd)) {
3557 if (adv7842_register_clients(sd) < 0) {
3559 v4l2_err(sd, "failed to create all i2c clients\n");
3564 INIT_DELAYED_WORK(&state->delayed_work_enable_hotplug,
3565 adv7842_delayed_work_enable_hotplug);
3567 sd->entity.function = MEDIA_ENT_F_DV_DECODER;
3568 for (i = 0; i < ADV7842_PAD_SOURCE; ++i)
3569 state->pads[i].flags = MEDIA_PAD_FL_SINK;
3570 state->pads[ADV7842_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
3571 err = media_entity_pads_init(&sd->entity, ADV7842_PAD_SOURCE + 1,
3574 goto err_work_queues;
3576 err = adv7842_core_init(sd);
3580 #if IS_ENABLED(CONFIG_VIDEO_ADV7842_CEC)
3581 state->cec_adap = cec_allocate_adapter(&adv7842_cec_adap_ops,
3582 state, dev_name(&client->dev),
3583 CEC_CAP_DEFAULTS, ADV7842_MAX_ADDRS);
3584 err = PTR_ERR_OR_ZERO(state->cec_adap);
3589 v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
3590 client->addr << 1, client->adapter->name);
3594 media_entity_cleanup(&sd->entity);
3596 cancel_delayed_work(&state->delayed_work_enable_hotplug);
3598 adv7842_unregister_clients(sd);
3600 v4l2_ctrl_handler_free(hdl);
3604 /* ----------------------------------------------------------------------- */
3606 static int adv7842_remove(struct i2c_client *client)
3608 struct v4l2_subdev *sd = i2c_get_clientdata(client);
3609 struct adv7842_state *state = to_state(sd);
3611 adv7842_irq_enable(sd, false);
3612 cancel_delayed_work_sync(&state->delayed_work_enable_hotplug);
3613 v4l2_device_unregister_subdev(sd);
3614 media_entity_cleanup(&sd->entity);
3615 adv7842_unregister_clients(sd);
3616 v4l2_ctrl_handler_free(sd->ctrl_handler);
3620 /* ----------------------------------------------------------------------- */
3622 static const struct i2c_device_id adv7842_id[] = {
3626 MODULE_DEVICE_TABLE(i2c, adv7842_id);
3628 /* ----------------------------------------------------------------------- */
3630 static struct i2c_driver adv7842_driver = {
3634 .probe = adv7842_probe,
3635 .remove = adv7842_remove,
3636 .id_table = adv7842_id,
3639 module_i2c_driver(adv7842_driver);