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;
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;
108 struct v4l2_fract aspect_ratio;
109 u32 rgb_quantization_range;
111 struct delayed_work delayed_work_enable_hotplug;
112 bool restart_stdi_once;
116 struct i2c_client *i2c_sdp_io;
117 struct i2c_client *i2c_sdp;
118 struct i2c_client *i2c_cp;
119 struct i2c_client *i2c_vdp;
120 struct i2c_client *i2c_afe;
121 struct i2c_client *i2c_hdmi;
122 struct i2c_client *i2c_repeater;
123 struct i2c_client *i2c_edid;
124 struct i2c_client *i2c_infoframe;
125 struct i2c_client *i2c_cec;
126 struct i2c_client *i2c_avlink;
129 struct v4l2_ctrl *detect_tx_5v_ctrl;
130 struct v4l2_ctrl *analog_sampling_phase_ctrl;
131 struct v4l2_ctrl *free_run_color_ctrl_manual;
132 struct v4l2_ctrl *free_run_color_ctrl;
133 struct v4l2_ctrl *rgb_quantization_range_ctrl;
135 struct cec_adapter *cec_adap;
136 u8 cec_addr[ADV7842_MAX_ADDRS];
138 bool cec_enabled_adap;
141 /* Unsupported timings. This device cannot support 720p30. */
142 static const struct v4l2_dv_timings adv7842_timings_exceptions[] = {
143 V4L2_DV_BT_CEA_1280X720P30,
147 static bool adv7842_check_dv_timings(const struct v4l2_dv_timings *t, void *hdl)
151 for (i = 0; adv7842_timings_exceptions[i].bt.width; i++)
152 if (v4l2_match_dv_timings(t, adv7842_timings_exceptions + i, 0, false))
157 struct adv7842_video_standards {
158 struct v4l2_dv_timings timings;
163 /* sorted by number of lines */
164 static const struct adv7842_video_standards adv7842_prim_mode_comp[] = {
165 /* { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, TODO flickering */
166 { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 },
167 { V4L2_DV_BT_CEA_1280X720P50, 0x19, 0x01 },
168 { V4L2_DV_BT_CEA_1280X720P60, 0x19, 0x00 },
169 { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 },
170 { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 },
171 { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 },
172 { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 },
173 { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 },
174 /* TODO add 1920x1080P60_RB (CVT timing) */
178 /* sorted by number of lines */
179 static const struct adv7842_video_standards adv7842_prim_mode_gr[] = {
180 { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 },
181 { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 },
182 { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 },
183 { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 },
184 { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 },
185 { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 },
186 { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 },
187 { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 },
188 { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 },
189 { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 },
190 { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 },
191 { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 },
192 { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 },
193 { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 },
194 { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 },
195 { V4L2_DV_BT_DMT_1360X768P60, 0x12, 0x00 },
196 { V4L2_DV_BT_DMT_1366X768P60, 0x13, 0x00 },
197 { V4L2_DV_BT_DMT_1400X1050P60, 0x14, 0x00 },
198 { V4L2_DV_BT_DMT_1400X1050P75, 0x15, 0x00 },
199 { V4L2_DV_BT_DMT_1600X1200P60, 0x16, 0x00 }, /* TODO not tested */
200 /* TODO add 1600X1200P60_RB (not a DMT timing) */
201 { V4L2_DV_BT_DMT_1680X1050P60, 0x18, 0x00 },
202 { V4L2_DV_BT_DMT_1920X1200P60_RB, 0x19, 0x00 }, /* TODO not tested */
206 /* sorted by number of lines */
207 static const struct adv7842_video_standards adv7842_prim_mode_hdmi_comp[] = {
208 { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 },
209 { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 },
210 { V4L2_DV_BT_CEA_1280X720P50, 0x13, 0x01 },
211 { V4L2_DV_BT_CEA_1280X720P60, 0x13, 0x00 },
212 { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 },
213 { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 },
214 { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 },
215 { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 },
216 { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 },
220 /* sorted by number of lines */
221 static const struct adv7842_video_standards adv7842_prim_mode_hdmi_gr[] = {
222 { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 },
223 { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 },
224 { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 },
225 { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 },
226 { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 },
227 { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 },
228 { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 },
229 { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 },
230 { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 },
231 { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 },
232 { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 },
233 { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 },
234 { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 },
235 { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 },
236 { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 },
240 static const struct v4l2_event adv7842_ev_fmt = {
241 .type = V4L2_EVENT_SOURCE_CHANGE,
242 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
245 /* ----------------------------------------------------------------------- */
247 static inline struct adv7842_state *to_state(struct v4l2_subdev *sd)
249 return container_of(sd, struct adv7842_state, sd);
252 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
254 return &container_of(ctrl->handler, struct adv7842_state, hdl)->sd;
257 static inline unsigned hblanking(const struct v4l2_bt_timings *t)
259 return V4L2_DV_BT_BLANKING_WIDTH(t);
262 static inline unsigned htotal(const struct v4l2_bt_timings *t)
264 return V4L2_DV_BT_FRAME_WIDTH(t);
267 static inline unsigned vblanking(const struct v4l2_bt_timings *t)
269 return V4L2_DV_BT_BLANKING_HEIGHT(t);
272 static inline unsigned vtotal(const struct v4l2_bt_timings *t)
274 return V4L2_DV_BT_FRAME_HEIGHT(t);
278 /* ----------------------------------------------------------------------- */
280 static s32 adv_smbus_read_byte_data_check(struct i2c_client *client,
281 u8 command, bool check)
283 union i2c_smbus_data data;
285 if (!i2c_smbus_xfer(client->adapter, client->addr, client->flags,
286 I2C_SMBUS_READ, command,
287 I2C_SMBUS_BYTE_DATA, &data))
290 v4l_err(client, "error reading %02x, %02x\n",
291 client->addr, command);
295 static s32 adv_smbus_read_byte_data(struct i2c_client *client, u8 command)
299 for (i = 0; i < 3; i++) {
300 int ret = adv_smbus_read_byte_data_check(client, command, true);
304 v4l_err(client, "read ok after %d retries\n", i);
308 v4l_err(client, "read failed\n");
312 static s32 adv_smbus_write_byte_data(struct i2c_client *client,
313 u8 command, u8 value)
315 union i2c_smbus_data data;
320 for (i = 0; i < 3; i++) {
321 err = i2c_smbus_xfer(client->adapter, client->addr,
323 I2C_SMBUS_WRITE, command,
324 I2C_SMBUS_BYTE_DATA, &data);
329 v4l_err(client, "error writing %02x, %02x, %02x\n",
330 client->addr, command, value);
334 static void adv_smbus_write_byte_no_check(struct i2c_client *client,
335 u8 command, u8 value)
337 union i2c_smbus_data data;
340 i2c_smbus_xfer(client->adapter, client->addr,
342 I2C_SMBUS_WRITE, command,
343 I2C_SMBUS_BYTE_DATA, &data);
346 /* ----------------------------------------------------------------------- */
348 static inline int io_read(struct v4l2_subdev *sd, u8 reg)
350 struct i2c_client *client = v4l2_get_subdevdata(sd);
352 return adv_smbus_read_byte_data(client, reg);
355 static inline int io_write(struct v4l2_subdev *sd, u8 reg, u8 val)
357 struct i2c_client *client = v4l2_get_subdevdata(sd);
359 return adv_smbus_write_byte_data(client, reg, val);
362 static inline int io_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
364 return io_write(sd, reg, (io_read(sd, reg) & mask) | val);
367 static inline int io_write_clr_set(struct v4l2_subdev *sd,
368 u8 reg, u8 mask, u8 val)
370 return io_write(sd, reg, (io_read(sd, reg) & ~mask) | val);
373 static inline int avlink_read(struct v4l2_subdev *sd, u8 reg)
375 struct adv7842_state *state = to_state(sd);
377 return adv_smbus_read_byte_data(state->i2c_avlink, reg);
380 static inline int avlink_write(struct v4l2_subdev *sd, u8 reg, u8 val)
382 struct adv7842_state *state = to_state(sd);
384 return adv_smbus_write_byte_data(state->i2c_avlink, reg, val);
387 static inline int cec_read(struct v4l2_subdev *sd, u8 reg)
389 struct adv7842_state *state = to_state(sd);
391 return adv_smbus_read_byte_data(state->i2c_cec, reg);
394 static inline int cec_write(struct v4l2_subdev *sd, u8 reg, u8 val)
396 struct adv7842_state *state = to_state(sd);
398 return adv_smbus_write_byte_data(state->i2c_cec, reg, val);
401 static inline int cec_write_clr_set(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
403 return cec_write(sd, reg, (cec_read(sd, reg) & ~mask) | val);
406 static inline int infoframe_read(struct v4l2_subdev *sd, u8 reg)
408 struct adv7842_state *state = to_state(sd);
410 return adv_smbus_read_byte_data(state->i2c_infoframe, reg);
413 static inline int infoframe_write(struct v4l2_subdev *sd, u8 reg, u8 val)
415 struct adv7842_state *state = to_state(sd);
417 return adv_smbus_write_byte_data(state->i2c_infoframe, reg, val);
420 static inline int sdp_io_read(struct v4l2_subdev *sd, u8 reg)
422 struct adv7842_state *state = to_state(sd);
424 return adv_smbus_read_byte_data(state->i2c_sdp_io, reg);
427 static inline int sdp_io_write(struct v4l2_subdev *sd, u8 reg, u8 val)
429 struct adv7842_state *state = to_state(sd);
431 return adv_smbus_write_byte_data(state->i2c_sdp_io, reg, val);
434 static inline int sdp_io_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
436 return sdp_io_write(sd, reg, (sdp_io_read(sd, reg) & mask) | val);
439 static inline int sdp_read(struct v4l2_subdev *sd, u8 reg)
441 struct adv7842_state *state = to_state(sd);
443 return adv_smbus_read_byte_data(state->i2c_sdp, reg);
446 static inline int sdp_write(struct v4l2_subdev *sd, u8 reg, u8 val)
448 struct adv7842_state *state = to_state(sd);
450 return adv_smbus_write_byte_data(state->i2c_sdp, reg, val);
453 static inline int sdp_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
455 return sdp_write(sd, reg, (sdp_read(sd, reg) & mask) | val);
458 static inline int afe_read(struct v4l2_subdev *sd, u8 reg)
460 struct adv7842_state *state = to_state(sd);
462 return adv_smbus_read_byte_data(state->i2c_afe, reg);
465 static inline int afe_write(struct v4l2_subdev *sd, u8 reg, u8 val)
467 struct adv7842_state *state = to_state(sd);
469 return adv_smbus_write_byte_data(state->i2c_afe, reg, val);
472 static inline int afe_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
474 return afe_write(sd, reg, (afe_read(sd, reg) & mask) | val);
477 static inline int rep_read(struct v4l2_subdev *sd, u8 reg)
479 struct adv7842_state *state = to_state(sd);
481 return adv_smbus_read_byte_data(state->i2c_repeater, reg);
484 static inline int rep_write(struct v4l2_subdev *sd, u8 reg, u8 val)
486 struct adv7842_state *state = to_state(sd);
488 return adv_smbus_write_byte_data(state->i2c_repeater, reg, val);
491 static inline int rep_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
493 return rep_write(sd, reg, (rep_read(sd, reg) & mask) | val);
496 static inline int edid_read(struct v4l2_subdev *sd, u8 reg)
498 struct adv7842_state *state = to_state(sd);
500 return adv_smbus_read_byte_data(state->i2c_edid, reg);
503 static inline int edid_write(struct v4l2_subdev *sd, u8 reg, u8 val)
505 struct adv7842_state *state = to_state(sd);
507 return adv_smbus_write_byte_data(state->i2c_edid, reg, val);
510 static inline int hdmi_read(struct v4l2_subdev *sd, u8 reg)
512 struct adv7842_state *state = to_state(sd);
514 return adv_smbus_read_byte_data(state->i2c_hdmi, reg);
517 static inline int hdmi_write(struct v4l2_subdev *sd, u8 reg, u8 val)
519 struct adv7842_state *state = to_state(sd);
521 return adv_smbus_write_byte_data(state->i2c_hdmi, reg, val);
524 static inline int hdmi_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
526 return hdmi_write(sd, reg, (hdmi_read(sd, reg) & mask) | val);
529 static inline int cp_read(struct v4l2_subdev *sd, u8 reg)
531 struct adv7842_state *state = to_state(sd);
533 return adv_smbus_read_byte_data(state->i2c_cp, reg);
536 static inline int cp_write(struct v4l2_subdev *sd, u8 reg, u8 val)
538 struct adv7842_state *state = to_state(sd);
540 return adv_smbus_write_byte_data(state->i2c_cp, reg, val);
543 static inline int cp_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val)
545 return cp_write(sd, reg, (cp_read(sd, reg) & mask) | val);
548 static inline int vdp_read(struct v4l2_subdev *sd, u8 reg)
550 struct adv7842_state *state = to_state(sd);
552 return adv_smbus_read_byte_data(state->i2c_vdp, reg);
555 static inline int vdp_write(struct v4l2_subdev *sd, u8 reg, u8 val)
557 struct adv7842_state *state = to_state(sd);
559 return adv_smbus_write_byte_data(state->i2c_vdp, reg, val);
562 static void main_reset(struct v4l2_subdev *sd)
564 struct i2c_client *client = v4l2_get_subdevdata(sd);
566 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
568 adv_smbus_write_byte_no_check(client, 0xff, 0x80);
573 /* -----------------------------------------------------------------------------
577 static const struct adv7842_format_info adv7842_formats[] = {
578 { MEDIA_BUS_FMT_RGB888_1X24, ADV7842_OP_CH_SEL_RGB, true, false,
579 ADV7842_OP_MODE_SEL_SDR_444 | ADV7842_OP_FORMAT_SEL_8BIT },
580 { MEDIA_BUS_FMT_YUYV8_2X8, ADV7842_OP_CH_SEL_RGB, false, false,
581 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_8BIT },
582 { MEDIA_BUS_FMT_YVYU8_2X8, ADV7842_OP_CH_SEL_RGB, false, true,
583 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_8BIT },
584 { MEDIA_BUS_FMT_YUYV10_2X10, ADV7842_OP_CH_SEL_RGB, false, false,
585 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_10BIT },
586 { MEDIA_BUS_FMT_YVYU10_2X10, ADV7842_OP_CH_SEL_RGB, false, true,
587 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_10BIT },
588 { MEDIA_BUS_FMT_YUYV12_2X12, ADV7842_OP_CH_SEL_RGB, false, false,
589 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_12BIT },
590 { MEDIA_BUS_FMT_YVYU12_2X12, ADV7842_OP_CH_SEL_RGB, false, true,
591 ADV7842_OP_MODE_SEL_SDR_422 | ADV7842_OP_FORMAT_SEL_12BIT },
592 { MEDIA_BUS_FMT_UYVY8_1X16, ADV7842_OP_CH_SEL_RBG, false, false,
593 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT },
594 { MEDIA_BUS_FMT_VYUY8_1X16, ADV7842_OP_CH_SEL_RBG, false, true,
595 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT },
596 { MEDIA_BUS_FMT_YUYV8_1X16, ADV7842_OP_CH_SEL_RGB, false, false,
597 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT },
598 { MEDIA_BUS_FMT_YVYU8_1X16, ADV7842_OP_CH_SEL_RGB, false, true,
599 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_8BIT },
600 { MEDIA_BUS_FMT_UYVY10_1X20, ADV7842_OP_CH_SEL_RBG, false, false,
601 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT },
602 { MEDIA_BUS_FMT_VYUY10_1X20, ADV7842_OP_CH_SEL_RBG, false, true,
603 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT },
604 { MEDIA_BUS_FMT_YUYV10_1X20, ADV7842_OP_CH_SEL_RGB, false, false,
605 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT },
606 { MEDIA_BUS_FMT_YVYU10_1X20, ADV7842_OP_CH_SEL_RGB, false, true,
607 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_10BIT },
608 { MEDIA_BUS_FMT_UYVY12_1X24, ADV7842_OP_CH_SEL_RBG, false, false,
609 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT },
610 { MEDIA_BUS_FMT_VYUY12_1X24, ADV7842_OP_CH_SEL_RBG, false, true,
611 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT },
612 { MEDIA_BUS_FMT_YUYV12_1X24, ADV7842_OP_CH_SEL_RGB, false, false,
613 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT },
614 { MEDIA_BUS_FMT_YVYU12_1X24, ADV7842_OP_CH_SEL_RGB, false, true,
615 ADV7842_OP_MODE_SEL_SDR_422_2X | ADV7842_OP_FORMAT_SEL_12BIT },
618 static const struct adv7842_format_info *
619 adv7842_format_info(struct adv7842_state *state, u32 code)
623 for (i = 0; i < ARRAY_SIZE(adv7842_formats); ++i) {
624 if (adv7842_formats[i].code == code)
625 return &adv7842_formats[i];
631 /* ----------------------------------------------------------------------- */
633 static inline bool is_analog_input(struct v4l2_subdev *sd)
635 struct adv7842_state *state = to_state(sd);
637 return ((state->mode == ADV7842_MODE_RGB) ||
638 (state->mode == ADV7842_MODE_COMP));
641 static inline bool is_digital_input(struct v4l2_subdev *sd)
643 struct adv7842_state *state = to_state(sd);
645 return state->mode == ADV7842_MODE_HDMI;
648 static const struct v4l2_dv_timings_cap adv7842_timings_cap_analog = {
649 .type = V4L2_DV_BT_656_1120,
650 /* keep this initialization for compatibility with GCC < 4.4.6 */
652 V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 170000000,
653 V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
654 V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
655 V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
656 V4L2_DV_BT_CAP_CUSTOM)
659 static const struct v4l2_dv_timings_cap adv7842_timings_cap_digital = {
660 .type = V4L2_DV_BT_656_1120,
661 /* keep this initialization for compatibility with GCC < 4.4.6 */
663 V4L2_INIT_BT_TIMINGS(640, 1920, 350, 1200, 25000000, 225000000,
664 V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
665 V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT,
666 V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING |
667 V4L2_DV_BT_CAP_CUSTOM)
670 static inline const struct v4l2_dv_timings_cap *
671 adv7842_get_dv_timings_cap(struct v4l2_subdev *sd)
673 return is_digital_input(sd) ? &adv7842_timings_cap_digital :
674 &adv7842_timings_cap_analog;
677 /* ----------------------------------------------------------------------- */
679 static u16 adv7842_read_cable_det(struct v4l2_subdev *sd)
681 u8 reg = io_read(sd, 0x6f);
685 val |= 1; /* port A */
687 val |= 2; /* port B */
691 static void adv7842_delayed_work_enable_hotplug(struct work_struct *work)
693 struct delayed_work *dwork = to_delayed_work(work);
694 struct adv7842_state *state = container_of(dwork,
695 struct adv7842_state, delayed_work_enable_hotplug);
696 struct v4l2_subdev *sd = &state->sd;
697 int present = state->hdmi_edid.present;
700 v4l2_dbg(2, debug, sd, "%s: enable hotplug on ports: 0x%x\n",
703 if (present & (0x04 << ADV7842_EDID_PORT_A))
705 if (present & (0x04 << ADV7842_EDID_PORT_B))
707 io_write_and_or(sd, 0x20, 0xcf, mask);
710 static int edid_write_vga_segment(struct v4l2_subdev *sd)
712 struct i2c_client *client = v4l2_get_subdevdata(sd);
713 struct adv7842_state *state = to_state(sd);
714 const u8 *val = state->vga_edid.edid;
718 v4l2_dbg(2, debug, sd, "%s: write EDID on VGA port\n", __func__);
720 /* HPA disable on port A and B */
721 io_write_and_or(sd, 0x20, 0xcf, 0x00);
723 /* Disable I2C access to internal EDID ram from VGA DDC port */
724 rep_write_and_or(sd, 0x7f, 0x7f, 0x00);
726 /* edid segment pointer '1' for VGA port */
727 rep_write_and_or(sd, 0x77, 0xef, 0x10);
729 for (i = 0; !err && i < 256; i += I2C_SMBUS_BLOCK_MAX)
730 err = i2c_smbus_write_i2c_block_data(state->i2c_edid, i,
736 /* Calculates the checksums and enables I2C access
737 * to internal EDID ram from VGA DDC port.
739 rep_write_and_or(sd, 0x7f, 0x7f, 0x80);
741 for (i = 0; i < 1000; i++) {
742 if (rep_read(sd, 0x79) & 0x20)
747 v4l_err(client, "error enabling edid on VGA port\n");
751 /* enable hotplug after 200 ms */
752 schedule_delayed_work(&state->delayed_work_enable_hotplug, HZ / 5);
757 static int edid_write_hdmi_segment(struct v4l2_subdev *sd, u8 port)
759 struct i2c_client *client = v4l2_get_subdevdata(sd);
760 struct adv7842_state *state = to_state(sd);
761 const u8 *edid = state->hdmi_edid.edid;
767 v4l2_dbg(2, debug, sd, "%s: write EDID on port %c\n",
768 __func__, (port == ADV7842_EDID_PORT_A) ? 'A' : 'B');
770 /* HPA disable on port A and B */
771 io_write_and_or(sd, 0x20, 0xcf, 0x00);
773 /* Disable I2C access to internal EDID ram from HDMI DDC ports */
774 rep_write_and_or(sd, 0x77, 0xf3, 0x00);
776 if (!state->hdmi_edid.present) {
777 cec_phys_addr_invalidate(state->cec_adap);
781 pa = v4l2_get_edid_phys_addr(edid, 256, &spa_loc);
782 err = v4l2_phys_addr_validate(pa, &pa, NULL);
787 * Return an error if no location of the source physical address
793 /* edid segment pointer '0' for HDMI ports */
794 rep_write_and_or(sd, 0x77, 0xef, 0x00);
796 for (i = 0; !err && i < 256; i += I2C_SMBUS_BLOCK_MAX)
797 err = i2c_smbus_write_i2c_block_data(state->i2c_edid, i,
798 I2C_SMBUS_BLOCK_MAX, edid + i);
802 if (port == ADV7842_EDID_PORT_A) {
803 rep_write(sd, 0x72, edid[spa_loc]);
804 rep_write(sd, 0x73, edid[spa_loc + 1]);
806 rep_write(sd, 0x74, edid[spa_loc]);
807 rep_write(sd, 0x75, edid[spa_loc + 1]);
809 rep_write(sd, 0x76, spa_loc & 0xff);
810 rep_write_and_or(sd, 0x77, 0xbf, (spa_loc >> 2) & 0x40);
812 /* Calculates the checksums and enables I2C access to internal
813 * EDID ram from HDMI DDC ports
815 rep_write_and_or(sd, 0x77, 0xf3, state->hdmi_edid.present);
817 for (i = 0; i < 1000; i++) {
818 if (rep_read(sd, 0x7d) & state->hdmi_edid.present)
823 v4l_err(client, "error enabling edid on port %c\n",
824 (port == ADV7842_EDID_PORT_A) ? 'A' : 'B');
827 cec_s_phys_addr(state->cec_adap, pa, false);
829 /* enable hotplug after 200 ms */
830 schedule_delayed_work(&state->delayed_work_enable_hotplug, HZ / 5);
835 /* ----------------------------------------------------------------------- */
837 #ifdef CONFIG_VIDEO_ADV_DEBUG
838 static void adv7842_inv_register(struct v4l2_subdev *sd)
840 v4l2_info(sd, "0x000-0x0ff: IO Map\n");
841 v4l2_info(sd, "0x100-0x1ff: AVLink Map\n");
842 v4l2_info(sd, "0x200-0x2ff: CEC Map\n");
843 v4l2_info(sd, "0x300-0x3ff: InfoFrame Map\n");
844 v4l2_info(sd, "0x400-0x4ff: SDP_IO Map\n");
845 v4l2_info(sd, "0x500-0x5ff: SDP Map\n");
846 v4l2_info(sd, "0x600-0x6ff: AFE Map\n");
847 v4l2_info(sd, "0x700-0x7ff: Repeater Map\n");
848 v4l2_info(sd, "0x800-0x8ff: EDID Map\n");
849 v4l2_info(sd, "0x900-0x9ff: HDMI Map\n");
850 v4l2_info(sd, "0xa00-0xaff: CP Map\n");
851 v4l2_info(sd, "0xb00-0xbff: VDP Map\n");
854 static int adv7842_g_register(struct v4l2_subdev *sd,
855 struct v4l2_dbg_register *reg)
858 switch (reg->reg >> 8) {
860 reg->val = io_read(sd, reg->reg & 0xff);
863 reg->val = avlink_read(sd, reg->reg & 0xff);
866 reg->val = cec_read(sd, reg->reg & 0xff);
869 reg->val = infoframe_read(sd, reg->reg & 0xff);
872 reg->val = sdp_io_read(sd, reg->reg & 0xff);
875 reg->val = sdp_read(sd, reg->reg & 0xff);
878 reg->val = afe_read(sd, reg->reg & 0xff);
881 reg->val = rep_read(sd, reg->reg & 0xff);
884 reg->val = edid_read(sd, reg->reg & 0xff);
887 reg->val = hdmi_read(sd, reg->reg & 0xff);
890 reg->val = cp_read(sd, reg->reg & 0xff);
893 reg->val = vdp_read(sd, reg->reg & 0xff);
896 v4l2_info(sd, "Register %03llx not supported\n", reg->reg);
897 adv7842_inv_register(sd);
903 static int adv7842_s_register(struct v4l2_subdev *sd,
904 const struct v4l2_dbg_register *reg)
906 u8 val = reg->val & 0xff;
908 switch (reg->reg >> 8) {
910 io_write(sd, reg->reg & 0xff, val);
913 avlink_write(sd, reg->reg & 0xff, val);
916 cec_write(sd, reg->reg & 0xff, val);
919 infoframe_write(sd, reg->reg & 0xff, val);
922 sdp_io_write(sd, reg->reg & 0xff, val);
925 sdp_write(sd, reg->reg & 0xff, val);
928 afe_write(sd, reg->reg & 0xff, val);
931 rep_write(sd, reg->reg & 0xff, val);
934 edid_write(sd, reg->reg & 0xff, val);
937 hdmi_write(sd, reg->reg & 0xff, val);
940 cp_write(sd, reg->reg & 0xff, val);
943 vdp_write(sd, reg->reg & 0xff, val);
946 v4l2_info(sd, "Register %03llx not supported\n", reg->reg);
947 adv7842_inv_register(sd);
954 static int adv7842_s_detect_tx_5v_ctrl(struct v4l2_subdev *sd)
956 struct adv7842_state *state = to_state(sd);
957 u16 cable_det = adv7842_read_cable_det(sd);
959 v4l2_dbg(1, debug, sd, "%s: 0x%x\n", __func__, cable_det);
961 return v4l2_ctrl_s_ctrl(state->detect_tx_5v_ctrl, cable_det);
964 static int find_and_set_predefined_video_timings(struct v4l2_subdev *sd,
966 const struct adv7842_video_standards *predef_vid_timings,
967 const struct v4l2_dv_timings *timings)
971 for (i = 0; predef_vid_timings[i].timings.bt.width; i++) {
972 if (!v4l2_match_dv_timings(timings, &predef_vid_timings[i].timings,
973 is_digital_input(sd) ? 250000 : 1000000, false))
976 io_write(sd, 0x00, predef_vid_timings[i].vid_std);
977 /* v_freq and prim mode */
978 io_write(sd, 0x01, (predef_vid_timings[i].v_freq << 4) + prim_mode);
985 static int configure_predefined_video_timings(struct v4l2_subdev *sd,
986 struct v4l2_dv_timings *timings)
988 struct adv7842_state *state = to_state(sd);
991 v4l2_dbg(1, debug, sd, "%s\n", __func__);
993 /* reset to default values */
994 io_write(sd, 0x16, 0x43);
995 io_write(sd, 0x17, 0x5a);
996 /* disable embedded syncs for auto graphics mode */
997 cp_write_and_or(sd, 0x81, 0xef, 0x00);
998 cp_write(sd, 0x26, 0x00);
999 cp_write(sd, 0x27, 0x00);
1000 cp_write(sd, 0x28, 0x00);
1001 cp_write(sd, 0x29, 0x00);
1002 cp_write(sd, 0x8f, 0x40);
1003 cp_write(sd, 0x90, 0x00);
1004 cp_write(sd, 0xa5, 0x00);
1005 cp_write(sd, 0xa6, 0x00);
1006 cp_write(sd, 0xa7, 0x00);
1007 cp_write(sd, 0xab, 0x00);
1008 cp_write(sd, 0xac, 0x00);
1010 switch (state->mode) {
1011 case ADV7842_MODE_COMP:
1012 case ADV7842_MODE_RGB:
1013 err = find_and_set_predefined_video_timings(sd,
1014 0x01, adv7842_prim_mode_comp, timings);
1016 err = find_and_set_predefined_video_timings(sd,
1017 0x02, adv7842_prim_mode_gr, timings);
1019 case ADV7842_MODE_HDMI:
1020 err = find_and_set_predefined_video_timings(sd,
1021 0x05, adv7842_prim_mode_hdmi_comp, timings);
1023 err = find_and_set_predefined_video_timings(sd,
1024 0x06, adv7842_prim_mode_hdmi_gr, timings);
1027 v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
1028 __func__, state->mode);
1037 static void configure_custom_video_timings(struct v4l2_subdev *sd,
1038 const struct v4l2_bt_timings *bt)
1040 struct adv7842_state *state = to_state(sd);
1041 struct i2c_client *client = v4l2_get_subdevdata(sd);
1042 u32 width = htotal(bt);
1043 u32 height = vtotal(bt);
1044 u16 cp_start_sav = bt->hsync + bt->hbackporch - 4;
1045 u16 cp_start_eav = width - bt->hfrontporch;
1046 u16 cp_start_vbi = height - bt->vfrontporch + 1;
1047 u16 cp_end_vbi = bt->vsync + bt->vbackporch + 1;
1048 u16 ch1_fr_ll = (((u32)bt->pixelclock / 100) > 0) ?
1049 ((width * (ADV7842_fsc / 100)) / ((u32)bt->pixelclock / 100)) : 0;
1051 0xc0 | ((width >> 8) & 0x1f),
1055 v4l2_dbg(2, debug, sd, "%s\n", __func__);
1057 switch (state->mode) {
1058 case ADV7842_MODE_COMP:
1059 case ADV7842_MODE_RGB:
1061 io_write(sd, 0x00, 0x07); /* video std */
1062 io_write(sd, 0x01, 0x02); /* prim mode */
1063 /* enable embedded syncs for auto graphics mode */
1064 cp_write_and_or(sd, 0x81, 0xef, 0x10);
1066 /* Should only be set in auto-graphics mode [REF_02, p. 91-92] */
1067 /* setup PLL_DIV_MAN_EN and PLL_DIV_RATIO */
1068 /* IO-map reg. 0x16 and 0x17 should be written in sequence */
1069 if (i2c_smbus_write_i2c_block_data(client, 0x16, 2, pll)) {
1070 v4l2_err(sd, "writing to reg 0x16 and 0x17 failed\n");
1074 /* active video - horizontal timing */
1075 cp_write(sd, 0x26, (cp_start_sav >> 8) & 0xf);
1076 cp_write(sd, 0x27, (cp_start_sav & 0xff));
1077 cp_write(sd, 0x28, (cp_start_eav >> 8) & 0xf);
1078 cp_write(sd, 0x29, (cp_start_eav & 0xff));
1080 /* active video - vertical timing */
1081 cp_write(sd, 0xa5, (cp_start_vbi >> 4) & 0xff);
1082 cp_write(sd, 0xa6, ((cp_start_vbi & 0xf) << 4) |
1083 ((cp_end_vbi >> 8) & 0xf));
1084 cp_write(sd, 0xa7, cp_end_vbi & 0xff);
1086 case ADV7842_MODE_HDMI:
1087 /* set default prim_mode/vid_std for HDMI
1088 according to [REF_03, c. 4.2] */
1089 io_write(sd, 0x00, 0x02); /* video std */
1090 io_write(sd, 0x01, 0x06); /* prim mode */
1093 v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
1094 __func__, state->mode);
1098 cp_write(sd, 0x8f, (ch1_fr_ll >> 8) & 0x7);
1099 cp_write(sd, 0x90, ch1_fr_ll & 0xff);
1100 cp_write(sd, 0xab, (height >> 4) & 0xff);
1101 cp_write(sd, 0xac, (height & 0x0f) << 4);
1104 static void adv7842_set_offset(struct v4l2_subdev *sd, bool auto_offset, u16 offset_a, u16 offset_b, u16 offset_c)
1106 struct adv7842_state *state = to_state(sd);
1115 v4l2_dbg(2, debug, sd, "%s: %s offset: a = 0x%x, b = 0x%x, c = 0x%x\n",
1116 __func__, auto_offset ? "Auto" : "Manual",
1117 offset_a, offset_b, offset_c);
1119 offset_buf[0]= (cp_read(sd, 0x77) & 0xc0) | ((offset_a & 0x3f0) >> 4);
1120 offset_buf[1] = ((offset_a & 0x00f) << 4) | ((offset_b & 0x3c0) >> 6);
1121 offset_buf[2] = ((offset_b & 0x03f) << 2) | ((offset_c & 0x300) >> 8);
1122 offset_buf[3] = offset_c & 0x0ff;
1124 /* Registers must be written in this order with no i2c access in between */
1125 if (i2c_smbus_write_i2c_block_data(state->i2c_cp, 0x77, 4, offset_buf))
1126 v4l2_err(sd, "%s: i2c error writing to CP reg 0x77, 0x78, 0x79, 0x7a\n", __func__);
1129 static void adv7842_set_gain(struct v4l2_subdev *sd, bool auto_gain, u16 gain_a, u16 gain_b, u16 gain_c)
1131 struct adv7842_state *state = to_state(sd);
1134 u8 agc_mode_man = 1;
1144 v4l2_dbg(2, debug, sd, "%s: %s gain: a = 0x%x, b = 0x%x, c = 0x%x\n",
1145 __func__, auto_gain ? "Auto" : "Manual",
1146 gain_a, gain_b, gain_c);
1148 gain_buf[0] = ((gain_man << 7) | (agc_mode_man << 6) | ((gain_a & 0x3f0) >> 4));
1149 gain_buf[1] = (((gain_a & 0x00f) << 4) | ((gain_b & 0x3c0) >> 6));
1150 gain_buf[2] = (((gain_b & 0x03f) << 2) | ((gain_c & 0x300) >> 8));
1151 gain_buf[3] = ((gain_c & 0x0ff));
1153 /* Registers must be written in this order with no i2c access in between */
1154 if (i2c_smbus_write_i2c_block_data(state->i2c_cp, 0x73, 4, gain_buf))
1155 v4l2_err(sd, "%s: i2c error writing to CP reg 0x73, 0x74, 0x75, 0x76\n", __func__);
1158 static void set_rgb_quantization_range(struct v4l2_subdev *sd)
1160 struct adv7842_state *state = to_state(sd);
1161 bool rgb_output = io_read(sd, 0x02) & 0x02;
1162 bool hdmi_signal = hdmi_read(sd, 0x05) & 0x80;
1163 u8 y = HDMI_COLORSPACE_RGB;
1165 if (hdmi_signal && (io_read(sd, 0x60) & 1))
1166 y = infoframe_read(sd, 0x01) >> 5;
1168 v4l2_dbg(2, debug, sd, "%s: RGB quantization range: %d, RGB out: %d, HDMI: %d\n",
1169 __func__, state->rgb_quantization_range,
1170 rgb_output, hdmi_signal);
1172 adv7842_set_gain(sd, true, 0x0, 0x0, 0x0);
1173 adv7842_set_offset(sd, true, 0x0, 0x0, 0x0);
1174 io_write_clr_set(sd, 0x02, 0x04, rgb_output ? 0 : 4);
1176 switch (state->rgb_quantization_range) {
1177 case V4L2_DV_RGB_RANGE_AUTO:
1178 if (state->mode == ADV7842_MODE_RGB) {
1179 /* Receiving analog RGB signal
1180 * Set RGB full range (0-255) */
1181 io_write_and_or(sd, 0x02, 0x0f, 0x10);
1185 if (state->mode == ADV7842_MODE_COMP) {
1186 /* Receiving analog YPbPr signal
1188 io_write_and_or(sd, 0x02, 0x0f, 0xf0);
1193 /* Receiving HDMI signal
1195 io_write_and_or(sd, 0x02, 0x0f, 0xf0);
1199 /* Receiving DVI-D signal
1200 * ADV7842 selects RGB limited range regardless of
1201 * input format (CE/IT) in automatic mode */
1202 if (state->timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO) {
1203 /* RGB limited range (16-235) */
1204 io_write_and_or(sd, 0x02, 0x0f, 0x00);
1206 /* RGB full range (0-255) */
1207 io_write_and_or(sd, 0x02, 0x0f, 0x10);
1209 if (is_digital_input(sd) && rgb_output) {
1210 adv7842_set_offset(sd, false, 0x40, 0x40, 0x40);
1212 adv7842_set_gain(sd, false, 0xe0, 0xe0, 0xe0);
1213 adv7842_set_offset(sd, false, 0x70, 0x70, 0x70);
1217 case V4L2_DV_RGB_RANGE_LIMITED:
1218 if (state->mode == ADV7842_MODE_COMP) {
1219 /* YCrCb limited range (16-235) */
1220 io_write_and_or(sd, 0x02, 0x0f, 0x20);
1224 if (y != HDMI_COLORSPACE_RGB)
1227 /* RGB limited range (16-235) */
1228 io_write_and_or(sd, 0x02, 0x0f, 0x00);
1231 case V4L2_DV_RGB_RANGE_FULL:
1232 if (state->mode == ADV7842_MODE_COMP) {
1233 /* YCrCb full range (0-255) */
1234 io_write_and_or(sd, 0x02, 0x0f, 0x60);
1238 if (y != HDMI_COLORSPACE_RGB)
1241 /* RGB full range (0-255) */
1242 io_write_and_or(sd, 0x02, 0x0f, 0x10);
1244 if (is_analog_input(sd) || hdmi_signal)
1247 /* Adjust gain/offset for DVI-D signals only */
1249 adv7842_set_offset(sd, false, 0x40, 0x40, 0x40);
1251 adv7842_set_gain(sd, false, 0xe0, 0xe0, 0xe0);
1252 adv7842_set_offset(sd, false, 0x70, 0x70, 0x70);
1258 static int adv7842_s_ctrl(struct v4l2_ctrl *ctrl)
1260 struct v4l2_subdev *sd = to_sd(ctrl);
1261 struct adv7842_state *state = to_state(sd);
1264 contrast/brightness/hue/free run is acting a bit strange,
1265 not sure if sdp csc is correct.
1268 /* standard ctrls */
1269 case V4L2_CID_BRIGHTNESS:
1270 cp_write(sd, 0x3c, ctrl->val);
1271 sdp_write(sd, 0x14, ctrl->val);
1272 /* ignore lsb sdp 0x17[3:2] */
1274 case V4L2_CID_CONTRAST:
1275 cp_write(sd, 0x3a, ctrl->val);
1276 sdp_write(sd, 0x13, ctrl->val);
1277 /* ignore lsb sdp 0x17[1:0] */
1279 case V4L2_CID_SATURATION:
1280 cp_write(sd, 0x3b, ctrl->val);
1281 sdp_write(sd, 0x15, ctrl->val);
1282 /* ignore lsb sdp 0x17[5:4] */
1285 cp_write(sd, 0x3d, ctrl->val);
1286 sdp_write(sd, 0x16, ctrl->val);
1287 /* ignore lsb sdp 0x17[7:6] */
1290 case V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE:
1291 afe_write(sd, 0xc8, ctrl->val);
1293 case V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL:
1294 cp_write_and_or(sd, 0xbf, ~0x04, (ctrl->val << 2));
1295 sdp_write_and_or(sd, 0xdd, ~0x04, (ctrl->val << 2));
1297 case V4L2_CID_ADV_RX_FREE_RUN_COLOR: {
1298 u8 R = (ctrl->val & 0xff0000) >> 16;
1299 u8 G = (ctrl->val & 0x00ff00) >> 8;
1300 u8 B = (ctrl->val & 0x0000ff);
1301 /* RGB -> YUV, numerical approximation */
1302 int Y = 66 * R + 129 * G + 25 * B;
1303 int U = -38 * R - 74 * G + 112 * B;
1304 int V = 112 * R - 94 * G - 18 * B;
1306 /* Scale down to 8 bits with rounding */
1310 /* make U,V positive */
1315 v4l2_dbg(1, debug, sd, "R %x, G %x, B %x\n", R, G, B);
1316 v4l2_dbg(1, debug, sd, "Y %x, U %x, V %x\n", Y, U, V);
1319 cp_write(sd, 0xc1, R);
1320 cp_write(sd, 0xc0, G);
1321 cp_write(sd, 0xc2, B);
1323 sdp_write(sd, 0xde, Y);
1324 sdp_write(sd, 0xdf, (V & 0xf0) | ((U >> 4) & 0x0f));
1327 case V4L2_CID_DV_RX_RGB_RANGE:
1328 state->rgb_quantization_range = ctrl->val;
1329 set_rgb_quantization_range(sd);
1335 static int adv7842_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
1337 struct v4l2_subdev *sd = to_sd(ctrl);
1339 if (ctrl->id == V4L2_CID_DV_RX_IT_CONTENT_TYPE) {
1340 ctrl->val = V4L2_DV_IT_CONTENT_TYPE_NO_ITC;
1341 if ((io_read(sd, 0x60) & 1) && (infoframe_read(sd, 0x03) & 0x80))
1342 ctrl->val = (infoframe_read(sd, 0x05) >> 4) & 3;
1348 static inline bool no_power(struct v4l2_subdev *sd)
1350 return io_read(sd, 0x0c) & 0x24;
1353 static inline bool no_cp_signal(struct v4l2_subdev *sd)
1355 return ((cp_read(sd, 0xb5) & 0xd0) != 0xd0) || !(cp_read(sd, 0xb1) & 0x80);
1358 static inline bool is_hdmi(struct v4l2_subdev *sd)
1360 return hdmi_read(sd, 0x05) & 0x80;
1363 static int adv7842_g_input_status(struct v4l2_subdev *sd, u32 *status)
1365 struct adv7842_state *state = to_state(sd);
1369 if (io_read(sd, 0x0c) & 0x24)
1370 *status |= V4L2_IN_ST_NO_POWER;
1372 if (state->mode == ADV7842_MODE_SDP) {
1373 /* status from SDP block */
1374 if (!(sdp_read(sd, 0x5A) & 0x01))
1375 *status |= V4L2_IN_ST_NO_SIGNAL;
1377 v4l2_dbg(1, debug, sd, "%s: SDP status = 0x%x\n",
1381 /* status from CP block */
1382 if ((cp_read(sd, 0xb5) & 0xd0) != 0xd0 ||
1383 !(cp_read(sd, 0xb1) & 0x80))
1384 /* TODO channel 2 */
1385 *status |= V4L2_IN_ST_NO_SIGNAL;
1387 if (is_digital_input(sd) && ((io_read(sd, 0x74) & 0x03) != 0x03))
1388 *status |= V4L2_IN_ST_NO_SIGNAL;
1390 v4l2_dbg(1, debug, sd, "%s: CP status = 0x%x\n",
1396 struct stdi_readback {
1402 static int stdi2dv_timings(struct v4l2_subdev *sd,
1403 struct stdi_readback *stdi,
1404 struct v4l2_dv_timings *timings)
1406 struct adv7842_state *state = to_state(sd);
1407 u32 hfreq = (ADV7842_fsc * 8) / stdi->bl;
1411 for (i = 0; v4l2_dv_timings_presets[i].bt.width; i++) {
1412 const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt;
1414 if (!v4l2_valid_dv_timings(&v4l2_dv_timings_presets[i],
1415 adv7842_get_dv_timings_cap(sd),
1416 adv7842_check_dv_timings, NULL))
1418 if (vtotal(bt) != stdi->lcf + 1)
1420 if (bt->vsync != stdi->lcvs)
1423 pix_clk = hfreq * htotal(bt);
1425 if ((pix_clk < bt->pixelclock + 1000000) &&
1426 (pix_clk > bt->pixelclock - 1000000)) {
1427 *timings = v4l2_dv_timings_presets[i];
1432 if (v4l2_detect_cvt(stdi->lcf + 1, hfreq, stdi->lcvs, 0,
1433 (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
1434 (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
1437 if (v4l2_detect_gtf(stdi->lcf + 1, hfreq, stdi->lcvs,
1438 (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
1439 (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
1440 false, state->aspect_ratio, timings))
1443 v4l2_dbg(2, debug, sd,
1444 "%s: No format candidate found for lcvs = %d, lcf=%d, bl = %d, %chsync, %cvsync\n",
1445 __func__, stdi->lcvs, stdi->lcf, stdi->bl,
1446 stdi->hs_pol, stdi->vs_pol);
1450 static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi)
1454 adv7842_g_input_status(sd, &status);
1455 if (status & V4L2_IN_ST_NO_SIGNAL) {
1456 v4l2_dbg(2, debug, sd, "%s: no signal\n", __func__);
1460 stdi->bl = ((cp_read(sd, 0xb1) & 0x3f) << 8) | cp_read(sd, 0xb2);
1461 stdi->lcf = ((cp_read(sd, 0xb3) & 0x7) << 8) | cp_read(sd, 0xb4);
1462 stdi->lcvs = cp_read(sd, 0xb3) >> 3;
1464 if ((cp_read(sd, 0xb5) & 0x80) && ((cp_read(sd, 0xb5) & 0x03) == 0x01)) {
1465 stdi->hs_pol = ((cp_read(sd, 0xb5) & 0x10) ?
1466 ((cp_read(sd, 0xb5) & 0x08) ? '+' : '-') : 'x');
1467 stdi->vs_pol = ((cp_read(sd, 0xb5) & 0x40) ?
1468 ((cp_read(sd, 0xb5) & 0x20) ? '+' : '-') : 'x');
1473 stdi->interlaced = (cp_read(sd, 0xb1) & 0x40) ? true : false;
1475 if (stdi->lcf < 239 || stdi->bl < 8 || stdi->bl == 0x3fff) {
1476 v4l2_dbg(2, debug, sd, "%s: invalid signal\n", __func__);
1480 v4l2_dbg(2, debug, sd,
1481 "%s: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, %chsync, %cvsync, %s\n",
1482 __func__, stdi->lcf, stdi->bl, stdi->lcvs,
1483 stdi->hs_pol, stdi->vs_pol,
1484 stdi->interlaced ? "interlaced" : "progressive");
1489 static int adv7842_enum_dv_timings(struct v4l2_subdev *sd,
1490 struct v4l2_enum_dv_timings *timings)
1492 if (timings->pad != 0)
1495 return v4l2_enum_dv_timings_cap(timings,
1496 adv7842_get_dv_timings_cap(sd), adv7842_check_dv_timings, NULL);
1499 static int adv7842_dv_timings_cap(struct v4l2_subdev *sd,
1500 struct v4l2_dv_timings_cap *cap)
1505 *cap = *adv7842_get_dv_timings_cap(sd);
1509 /* Fill the optional fields .standards and .flags in struct v4l2_dv_timings
1510 if the format is listed in adv7842_timings[] */
1511 static void adv7842_fill_optional_dv_timings_fields(struct v4l2_subdev *sd,
1512 struct v4l2_dv_timings *timings)
1514 v4l2_find_dv_timings_cap(timings, adv7842_get_dv_timings_cap(sd),
1515 is_digital_input(sd) ? 250000 : 1000000,
1516 adv7842_check_dv_timings, NULL);
1517 timings->bt.flags |= V4L2_DV_FL_CAN_DETECT_REDUCED_FPS;
1520 static int adv7842_query_dv_timings(struct v4l2_subdev *sd,
1521 struct v4l2_dv_timings *timings)
1523 struct adv7842_state *state = to_state(sd);
1524 struct v4l2_bt_timings *bt = &timings->bt;
1525 struct stdi_readback stdi = { 0 };
1527 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
1529 memset(timings, 0, sizeof(struct v4l2_dv_timings));
1532 if (state->mode == ADV7842_MODE_SDP)
1536 if (read_stdi(sd, &stdi)) {
1537 state->restart_stdi_once = true;
1538 v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__);
1541 bt->interlaced = stdi.interlaced ?
1542 V4L2_DV_INTERLACED : V4L2_DV_PROGRESSIVE;
1543 bt->standards = V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT |
1544 V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT;
1546 if (is_digital_input(sd)) {
1549 timings->type = V4L2_DV_BT_656_1120;
1551 bt->width = (hdmi_read(sd, 0x07) & 0x0f) * 256 + hdmi_read(sd, 0x08);
1552 bt->height = (hdmi_read(sd, 0x09) & 0x0f) * 256 + hdmi_read(sd, 0x0a);
1553 freq = ((hdmi_read(sd, 0x51) << 1) + (hdmi_read(sd, 0x52) >> 7)) * 1000000;
1554 freq += ((hdmi_read(sd, 0x52) & 0x7f) * 7813);
1556 /* adjust for deep color mode */
1557 freq = freq * 8 / (((hdmi_read(sd, 0x0b) & 0xc0) >> 6) * 2 + 8);
1559 bt->pixelclock = freq;
1560 bt->hfrontporch = (hdmi_read(sd, 0x20) & 0x03) * 256 +
1561 hdmi_read(sd, 0x21);
1562 bt->hsync = (hdmi_read(sd, 0x22) & 0x03) * 256 +
1563 hdmi_read(sd, 0x23);
1564 bt->hbackporch = (hdmi_read(sd, 0x24) & 0x03) * 256 +
1565 hdmi_read(sd, 0x25);
1566 bt->vfrontporch = ((hdmi_read(sd, 0x2a) & 0x1f) * 256 +
1567 hdmi_read(sd, 0x2b)) / 2;
1568 bt->vsync = ((hdmi_read(sd, 0x2e) & 0x1f) * 256 +
1569 hdmi_read(sd, 0x2f)) / 2;
1570 bt->vbackporch = ((hdmi_read(sd, 0x32) & 0x1f) * 256 +
1571 hdmi_read(sd, 0x33)) / 2;
1572 bt->polarities = ((hdmi_read(sd, 0x05) & 0x10) ? V4L2_DV_VSYNC_POS_POL : 0) |
1573 ((hdmi_read(sd, 0x05) & 0x20) ? V4L2_DV_HSYNC_POS_POL : 0);
1574 if (bt->interlaced == V4L2_DV_INTERLACED) {
1575 bt->height += (hdmi_read(sd, 0x0b) & 0x0f) * 256 +
1576 hdmi_read(sd, 0x0c);
1577 bt->il_vfrontporch = ((hdmi_read(sd, 0x2c) & 0x1f) * 256 +
1578 hdmi_read(sd, 0x2d)) / 2;
1579 bt->il_vsync = ((hdmi_read(sd, 0x30) & 0x1f) * 256 +
1580 hdmi_read(sd, 0x31)) / 2;
1581 bt->il_vbackporch = ((hdmi_read(sd, 0x34) & 0x1f) * 256 +
1582 hdmi_read(sd, 0x35)) / 2;
1584 bt->il_vfrontporch = 0;
1586 bt->il_vbackporch = 0;
1588 adv7842_fill_optional_dv_timings_fields(sd, timings);
1589 if ((timings->bt.flags & V4L2_DV_FL_CAN_REDUCE_FPS) &&
1590 freq < bt->pixelclock) {
1591 u32 reduced_freq = ((u32)bt->pixelclock / 1001) * 1000;
1592 u32 delta_freq = abs(freq - reduced_freq);
1594 if (delta_freq < ((u32)bt->pixelclock - reduced_freq) / 2)
1595 timings->bt.flags |= V4L2_DV_FL_REDUCED_FPS;
1599 * Since LCVS values are inaccurate [REF_03, p. 339-340],
1600 * stdi2dv_timings() is called with lcvs +-1 if the first attempt fails.
1602 if (!stdi2dv_timings(sd, &stdi, timings))
1605 v4l2_dbg(1, debug, sd, "%s: lcvs + 1 = %d\n", __func__, stdi.lcvs);
1606 if (!stdi2dv_timings(sd, &stdi, timings))
1609 v4l2_dbg(1, debug, sd, "%s: lcvs - 1 = %d\n", __func__, stdi.lcvs);
1610 if (stdi2dv_timings(sd, &stdi, timings)) {
1612 * The STDI block may measure wrong values, especially
1613 * for lcvs and lcf. If the driver can not find any
1614 * valid timing, the STDI block is restarted to measure
1615 * the video timings again. The function will return an
1616 * error, but the restart of STDI will generate a new
1617 * STDI interrupt and the format detection process will
1620 if (state->restart_stdi_once) {
1621 v4l2_dbg(1, debug, sd, "%s: restart STDI\n", __func__);
1622 /* TODO restart STDI for Sync Channel 2 */
1623 /* enter one-shot mode */
1624 cp_write_and_or(sd, 0x86, 0xf9, 0x00);
1625 /* trigger STDI restart */
1626 cp_write_and_or(sd, 0x86, 0xf9, 0x04);
1627 /* reset to continuous mode */
1628 cp_write_and_or(sd, 0x86, 0xf9, 0x02);
1629 state->restart_stdi_once = false;
1632 v4l2_dbg(1, debug, sd, "%s: format not supported\n", __func__);
1635 state->restart_stdi_once = true;
1640 v4l2_print_dv_timings(sd->name, "adv7842_query_dv_timings:",
1645 static int adv7842_s_dv_timings(struct v4l2_subdev *sd,
1646 struct v4l2_dv_timings *timings)
1648 struct adv7842_state *state = to_state(sd);
1649 struct v4l2_bt_timings *bt;
1652 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
1654 if (state->mode == ADV7842_MODE_SDP)
1657 if (v4l2_match_dv_timings(&state->timings, timings, 0, false)) {
1658 v4l2_dbg(1, debug, sd, "%s: no change\n", __func__);
1664 if (!v4l2_valid_dv_timings(timings, adv7842_get_dv_timings_cap(sd),
1665 adv7842_check_dv_timings, NULL))
1668 adv7842_fill_optional_dv_timings_fields(sd, timings);
1670 state->timings = *timings;
1672 cp_write(sd, 0x91, bt->interlaced ? 0x40 : 0x00);
1674 /* Use prim_mode and vid_std when available */
1675 err = configure_predefined_video_timings(sd, timings);
1677 /* custom settings when the video format
1678 does not have prim_mode/vid_std */
1679 configure_custom_video_timings(sd, bt);
1682 set_rgb_quantization_range(sd);
1686 v4l2_print_dv_timings(sd->name, "adv7842_s_dv_timings: ",
1691 static int adv7842_g_dv_timings(struct v4l2_subdev *sd,
1692 struct v4l2_dv_timings *timings)
1694 struct adv7842_state *state = to_state(sd);
1696 if (state->mode == ADV7842_MODE_SDP)
1698 *timings = state->timings;
1702 static void enable_input(struct v4l2_subdev *sd)
1704 struct adv7842_state *state = to_state(sd);
1706 set_rgb_quantization_range(sd);
1707 switch (state->mode) {
1708 case ADV7842_MODE_SDP:
1709 case ADV7842_MODE_COMP:
1710 case ADV7842_MODE_RGB:
1711 io_write(sd, 0x15, 0xb0); /* Disable Tristate of Pins (no audio) */
1713 case ADV7842_MODE_HDMI:
1714 hdmi_write(sd, 0x01, 0x00); /* Enable HDMI clock terminators */
1715 io_write(sd, 0x15, 0xa0); /* Disable Tristate of Pins */
1716 hdmi_write_and_or(sd, 0x1a, 0xef, 0x00); /* Unmute audio */
1719 v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
1720 __func__, state->mode);
1725 static void disable_input(struct v4l2_subdev *sd)
1727 hdmi_write_and_or(sd, 0x1a, 0xef, 0x10); /* Mute audio [REF_01, c. 2.2.2] */
1728 msleep(16); /* 512 samples with >= 32 kHz sample rate [REF_03, c. 8.29] */
1729 io_write(sd, 0x15, 0xbe); /* Tristate all outputs from video core */
1730 hdmi_write(sd, 0x01, 0x78); /* Disable HDMI clock terminators */
1733 static void sdp_csc_coeff(struct v4l2_subdev *sd,
1734 const struct adv7842_sdp_csc_coeff *c)
1736 /* csc auto/manual */
1737 sdp_io_write_and_or(sd, 0xe0, 0xbf, c->manual ? 0x00 : 0x40);
1743 sdp_io_write_and_or(sd, 0xe0, 0x7f, c->scaling == 2 ? 0x80 : 0x00);
1746 sdp_io_write_and_or(sd, 0xe0, 0xe0, c->A1 >> 8);
1747 sdp_io_write(sd, 0xe1, c->A1);
1748 sdp_io_write_and_or(sd, 0xe2, 0xe0, c->A2 >> 8);
1749 sdp_io_write(sd, 0xe3, c->A2);
1750 sdp_io_write_and_or(sd, 0xe4, 0xe0, c->A3 >> 8);
1751 sdp_io_write(sd, 0xe5, c->A3);
1754 sdp_io_write_and_or(sd, 0xe6, 0x80, c->A4 >> 8);
1755 sdp_io_write(sd, 0xe7, c->A4);
1758 sdp_io_write_and_or(sd, 0xe8, 0xe0, c->B1 >> 8);
1759 sdp_io_write(sd, 0xe9, c->B1);
1760 sdp_io_write_and_or(sd, 0xea, 0xe0, c->B2 >> 8);
1761 sdp_io_write(sd, 0xeb, c->B2);
1762 sdp_io_write_and_or(sd, 0xec, 0xe0, c->B3 >> 8);
1763 sdp_io_write(sd, 0xed, c->B3);
1766 sdp_io_write_and_or(sd, 0xee, 0x80, c->B4 >> 8);
1767 sdp_io_write(sd, 0xef, c->B4);
1770 sdp_io_write_and_or(sd, 0xf0, 0xe0, c->C1 >> 8);
1771 sdp_io_write(sd, 0xf1, c->C1);
1772 sdp_io_write_and_or(sd, 0xf2, 0xe0, c->C2 >> 8);
1773 sdp_io_write(sd, 0xf3, c->C2);
1774 sdp_io_write_and_or(sd, 0xf4, 0xe0, c->C3 >> 8);
1775 sdp_io_write(sd, 0xf5, c->C3);
1778 sdp_io_write_and_or(sd, 0xf6, 0x80, c->C4 >> 8);
1779 sdp_io_write(sd, 0xf7, c->C4);
1782 static void select_input(struct v4l2_subdev *sd,
1783 enum adv7842_vid_std_select vid_std_select)
1785 struct adv7842_state *state = to_state(sd);
1787 switch (state->mode) {
1788 case ADV7842_MODE_SDP:
1789 io_write(sd, 0x00, vid_std_select); /* video std: CVBS or YC mode */
1790 io_write(sd, 0x01, 0); /* prim mode */
1791 /* enable embedded syncs for auto graphics mode */
1792 cp_write_and_or(sd, 0x81, 0xef, 0x10);
1794 afe_write(sd, 0x00, 0x00); /* power up ADC */
1795 afe_write(sd, 0xc8, 0x00); /* phase control */
1797 io_write(sd, 0xdd, 0x90); /* Manual 2x output clock */
1798 /* script says register 0xde, which don't exist in manual */
1800 /* Manual analog input muxing mode, CVBS (6.4)*/
1801 afe_write_and_or(sd, 0x02, 0x7f, 0x80);
1802 if (vid_std_select == ADV7842_SDP_VID_STD_CVBS_SD_4x1) {
1803 afe_write(sd, 0x03, 0xa0); /* ADC0 to AIN10 (CVBS), ADC1 N/C*/
1804 afe_write(sd, 0x04, 0x00); /* ADC2 N/C,ADC3 N/C*/
1806 afe_write(sd, 0x03, 0xa0); /* ADC0 to AIN10 (CVBS), ADC1 N/C*/
1807 afe_write(sd, 0x04, 0xc0); /* ADC2 to AIN12, ADC3 N/C*/
1809 afe_write(sd, 0x0c, 0x1f); /* ADI recommend write */
1810 afe_write(sd, 0x12, 0x63); /* ADI recommend write */
1812 sdp_io_write(sd, 0xb2, 0x60); /* Disable AV codes */
1813 sdp_io_write(sd, 0xc8, 0xe3); /* Disable Ancillary data */
1815 /* SDP recommended settings */
1816 sdp_write(sd, 0x00, 0x3F); /* Autodetect PAL NTSC (not SECAM) */
1817 sdp_write(sd, 0x01, 0x00); /* Pedestal Off */
1819 sdp_write(sd, 0x03, 0xE4); /* Manual VCR Gain Luma 0x40B */
1820 sdp_write(sd, 0x04, 0x0B); /* Manual Luma setting */
1821 sdp_write(sd, 0x05, 0xC3); /* Manual Chroma setting 0x3FE */
1822 sdp_write(sd, 0x06, 0xFE); /* Manual Chroma setting */
1823 sdp_write(sd, 0x12, 0x0D); /* Frame TBC,I_P, 3D comb enabled */
1824 sdp_write(sd, 0xA7, 0x00); /* ADI Recommended Write */
1825 sdp_io_write(sd, 0xB0, 0x00); /* Disable H and v blanking */
1827 /* deinterlacer enabled and 3D comb */
1828 sdp_write_and_or(sd, 0x12, 0xf6, 0x09);
1832 case ADV7842_MODE_COMP:
1833 case ADV7842_MODE_RGB:
1834 /* Automatic analog input muxing mode */
1835 afe_write_and_or(sd, 0x02, 0x7f, 0x00);
1836 /* set mode and select free run resolution */
1837 io_write(sd, 0x00, vid_std_select); /* video std */
1838 io_write(sd, 0x01, 0x02); /* prim mode */
1839 cp_write_and_or(sd, 0x81, 0xef, 0x10); /* enable embedded syncs
1840 for auto graphics mode */
1842 afe_write(sd, 0x00, 0x00); /* power up ADC */
1843 afe_write(sd, 0xc8, 0x00); /* phase control */
1844 if (state->mode == ADV7842_MODE_COMP) {
1845 /* force to YCrCb */
1846 io_write_and_or(sd, 0x02, 0x0f, 0x60);
1849 io_write_and_or(sd, 0x02, 0x0f, 0x10);
1852 /* set ADI recommended settings for digitizer */
1853 /* "ADV7842 Register Settings Recommendations
1854 * (rev. 1.8, November 2010)" p. 9. */
1855 afe_write(sd, 0x0c, 0x1f); /* ADC Range improvement */
1856 afe_write(sd, 0x12, 0x63); /* ADC Range improvement */
1858 /* set to default gain for RGB */
1859 cp_write(sd, 0x73, 0x10);
1860 cp_write(sd, 0x74, 0x04);
1861 cp_write(sd, 0x75, 0x01);
1862 cp_write(sd, 0x76, 0x00);
1864 cp_write(sd, 0x3e, 0x04); /* CP core pre-gain control */
1865 cp_write(sd, 0xc3, 0x39); /* CP coast control. Graphics mode */
1866 cp_write(sd, 0x40, 0x5c); /* CP core pre-gain control. Graphics mode */
1869 case ADV7842_MODE_HDMI:
1870 /* Automatic analog input muxing mode */
1871 afe_write_and_or(sd, 0x02, 0x7f, 0x00);
1872 /* set mode and select free run resolution */
1873 if (state->hdmi_port_a)
1874 hdmi_write(sd, 0x00, 0x02); /* select port A */
1876 hdmi_write(sd, 0x00, 0x03); /* select port B */
1877 io_write(sd, 0x00, vid_std_select); /* video std */
1878 io_write(sd, 0x01, 5); /* prim mode */
1879 cp_write_and_or(sd, 0x81, 0xef, 0x00); /* disable embedded syncs
1880 for auto graphics mode */
1882 /* set ADI recommended settings for HDMI: */
1883 /* "ADV7842 Register Settings Recommendations
1884 * (rev. 1.8, November 2010)" p. 3. */
1885 hdmi_write(sd, 0xc0, 0x00);
1886 hdmi_write(sd, 0x0d, 0x34); /* ADI recommended write */
1887 hdmi_write(sd, 0x3d, 0x10); /* ADI recommended write */
1888 hdmi_write(sd, 0x44, 0x85); /* TMDS PLL optimization */
1889 hdmi_write(sd, 0x46, 0x1f); /* ADI recommended write */
1890 hdmi_write(sd, 0x57, 0xb6); /* TMDS PLL optimization */
1891 hdmi_write(sd, 0x58, 0x03); /* TMDS PLL optimization */
1892 hdmi_write(sd, 0x60, 0x88); /* TMDS PLL optimization */
1893 hdmi_write(sd, 0x61, 0x88); /* TMDS PLL optimization */
1894 hdmi_write(sd, 0x6c, 0x18); /* Disable ISRC clearing bit,
1895 Improve robustness */
1896 hdmi_write(sd, 0x75, 0x10); /* DDC drive strength */
1897 hdmi_write(sd, 0x85, 0x1f); /* equaliser */
1898 hdmi_write(sd, 0x87, 0x70); /* ADI recommended write */
1899 hdmi_write(sd, 0x89, 0x04); /* equaliser */
1900 hdmi_write(sd, 0x8a, 0x1e); /* equaliser */
1901 hdmi_write(sd, 0x93, 0x04); /* equaliser */
1902 hdmi_write(sd, 0x94, 0x1e); /* equaliser */
1903 hdmi_write(sd, 0x99, 0xa1); /* ADI recommended write */
1904 hdmi_write(sd, 0x9b, 0x09); /* ADI recommended write */
1905 hdmi_write(sd, 0x9d, 0x02); /* equaliser */
1907 afe_write(sd, 0x00, 0xff); /* power down ADC */
1908 afe_write(sd, 0xc8, 0x40); /* phase control */
1910 /* set to default gain for HDMI */
1911 cp_write(sd, 0x73, 0x10);
1912 cp_write(sd, 0x74, 0x04);
1913 cp_write(sd, 0x75, 0x01);
1914 cp_write(sd, 0x76, 0x00);
1916 /* reset ADI recommended settings for digitizer */
1917 /* "ADV7842 Register Settings Recommendations
1918 * (rev. 2.5, June 2010)" p. 17. */
1919 afe_write(sd, 0x12, 0xfb); /* ADC noise shaping filter controls */
1920 afe_write(sd, 0x0c, 0x0d); /* CP core gain controls */
1921 cp_write(sd, 0x3e, 0x00); /* CP core pre-gain control */
1923 /* CP coast control */
1924 cp_write(sd, 0xc3, 0x33); /* Component mode */
1926 /* color space conversion, autodetect color space */
1927 io_write_and_or(sd, 0x02, 0x0f, 0xf0);
1931 v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n",
1932 __func__, state->mode);
1937 static int adv7842_s_routing(struct v4l2_subdev *sd,
1938 u32 input, u32 output, u32 config)
1940 struct adv7842_state *state = to_state(sd);
1942 v4l2_dbg(2, debug, sd, "%s: input %d\n", __func__, input);
1945 case ADV7842_SELECT_HDMI_PORT_A:
1946 state->mode = ADV7842_MODE_HDMI;
1947 state->vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P;
1948 state->hdmi_port_a = true;
1950 case ADV7842_SELECT_HDMI_PORT_B:
1951 state->mode = ADV7842_MODE_HDMI;
1952 state->vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P;
1953 state->hdmi_port_a = false;
1955 case ADV7842_SELECT_VGA_COMP:
1956 state->mode = ADV7842_MODE_COMP;
1957 state->vid_std_select = ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE;
1959 case ADV7842_SELECT_VGA_RGB:
1960 state->mode = ADV7842_MODE_RGB;
1961 state->vid_std_select = ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE;
1963 case ADV7842_SELECT_SDP_CVBS:
1964 state->mode = ADV7842_MODE_SDP;
1965 state->vid_std_select = ADV7842_SDP_VID_STD_CVBS_SD_4x1;
1967 case ADV7842_SELECT_SDP_YC:
1968 state->mode = ADV7842_MODE_SDP;
1969 state->vid_std_select = ADV7842_SDP_VID_STD_YC_SD4_x1;
1976 select_input(sd, state->vid_std_select);
1979 v4l2_subdev_notify_event(sd, &adv7842_ev_fmt);
1984 static int adv7842_enum_mbus_code(struct v4l2_subdev *sd,
1985 struct v4l2_subdev_pad_config *cfg,
1986 struct v4l2_subdev_mbus_code_enum *code)
1988 if (code->index >= ARRAY_SIZE(adv7842_formats))
1990 code->code = adv7842_formats[code->index].code;
1994 static void adv7842_fill_format(struct adv7842_state *state,
1995 struct v4l2_mbus_framefmt *format)
1997 memset(format, 0, sizeof(*format));
1999 format->width = state->timings.bt.width;
2000 format->height = state->timings.bt.height;
2001 format->field = V4L2_FIELD_NONE;
2002 format->colorspace = V4L2_COLORSPACE_SRGB;
2004 if (state->timings.bt.flags & V4L2_DV_FL_IS_CE_VIDEO)
2005 format->colorspace = (state->timings.bt.height <= 576) ?
2006 V4L2_COLORSPACE_SMPTE170M : V4L2_COLORSPACE_REC709;
2010 * Compute the op_ch_sel value required to obtain on the bus the component order
2011 * corresponding to the selected format taking into account bus reordering
2012 * applied by the board at the output of the device.
2014 * The following table gives the op_ch_value from the format component order
2015 * (expressed as op_ch_sel value in column) and the bus reordering (expressed as
2016 * adv7842_bus_order value in row).
2018 * | GBR(0) GRB(1) BGR(2) RGB(3) BRG(4) RBG(5)
2019 * ----------+-------------------------------------------------
2020 * RGB (NOP) | GBR GRB BGR RGB BRG RBG
2021 * GRB (1-2) | BGR RGB GBR GRB RBG BRG
2022 * RBG (2-3) | GRB GBR BRG RBG BGR RGB
2023 * BGR (1-3) | RBG BRG RGB BGR GRB GBR
2024 * BRG (ROR) | BRG RBG GRB GBR RGB BGR
2025 * GBR (ROL) | RGB BGR RBG BRG GBR GRB
2027 static unsigned int adv7842_op_ch_sel(struct adv7842_state *state)
2029 #define _SEL(a, b, c, d, e, f) { \
2030 ADV7842_OP_CH_SEL_##a, ADV7842_OP_CH_SEL_##b, ADV7842_OP_CH_SEL_##c, \
2031 ADV7842_OP_CH_SEL_##d, ADV7842_OP_CH_SEL_##e, ADV7842_OP_CH_SEL_##f }
2032 #define _BUS(x) [ADV7842_BUS_ORDER_##x]
2034 static const unsigned int op_ch_sel[6][6] = {
2035 _BUS(RGB) /* NOP */ = _SEL(GBR, GRB, BGR, RGB, BRG, RBG),
2036 _BUS(GRB) /* 1-2 */ = _SEL(BGR, RGB, GBR, GRB, RBG, BRG),
2037 _BUS(RBG) /* 2-3 */ = _SEL(GRB, GBR, BRG, RBG, BGR, RGB),
2038 _BUS(BGR) /* 1-3 */ = _SEL(RBG, BRG, RGB, BGR, GRB, GBR),
2039 _BUS(BRG) /* ROR */ = _SEL(BRG, RBG, GRB, GBR, RGB, BGR),
2040 _BUS(GBR) /* ROL */ = _SEL(RGB, BGR, RBG, BRG, GBR, GRB),
2043 return op_ch_sel[state->pdata.bus_order][state->format->op_ch_sel >> 5];
2046 static void adv7842_setup_format(struct adv7842_state *state)
2048 struct v4l2_subdev *sd = &state->sd;
2050 io_write_clr_set(sd, 0x02, 0x02,
2051 state->format->rgb_out ? ADV7842_RGB_OUT : 0);
2052 io_write(sd, 0x03, state->format->op_format_sel |
2053 state->pdata.op_format_mode_sel);
2054 io_write_clr_set(sd, 0x04, 0xe0, adv7842_op_ch_sel(state));
2055 io_write_clr_set(sd, 0x05, 0x01,
2056 state->format->swap_cb_cr ? ADV7842_OP_SWAP_CB_CR : 0);
2057 set_rgb_quantization_range(sd);
2060 static int adv7842_get_format(struct v4l2_subdev *sd,
2061 struct v4l2_subdev_pad_config *cfg,
2062 struct v4l2_subdev_format *format)
2064 struct adv7842_state *state = to_state(sd);
2066 if (format->pad != ADV7842_PAD_SOURCE)
2069 if (state->mode == ADV7842_MODE_SDP) {
2071 if (!(sdp_read(sd, 0x5a) & 0x01))
2073 format->format.code = MEDIA_BUS_FMT_YUYV8_2X8;
2074 format->format.width = 720;
2076 if (state->norm & V4L2_STD_525_60)
2077 format->format.height = 480;
2079 format->format.height = 576;
2080 format->format.colorspace = V4L2_COLORSPACE_SMPTE170M;
2084 adv7842_fill_format(state, &format->format);
2086 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
2087 struct v4l2_mbus_framefmt *fmt;
2089 fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
2090 format->format.code = fmt->code;
2092 format->format.code = state->format->code;
2098 static int adv7842_set_format(struct v4l2_subdev *sd,
2099 struct v4l2_subdev_pad_config *cfg,
2100 struct v4l2_subdev_format *format)
2102 struct adv7842_state *state = to_state(sd);
2103 const struct adv7842_format_info *info;
2105 if (format->pad != ADV7842_PAD_SOURCE)
2108 if (state->mode == ADV7842_MODE_SDP)
2109 return adv7842_get_format(sd, cfg, format);
2111 info = adv7842_format_info(state, format->format.code);
2113 info = adv7842_format_info(state, MEDIA_BUS_FMT_YUYV8_2X8);
2115 adv7842_fill_format(state, &format->format);
2116 format->format.code = info->code;
2118 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
2119 struct v4l2_mbus_framefmt *fmt;
2121 fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad);
2122 fmt->code = format->format.code;
2124 state->format = info;
2125 adv7842_setup_format(state);
2131 static void adv7842_irq_enable(struct v4l2_subdev *sd, bool enable)
2134 /* Enable SSPD, STDI and CP locked/unlocked interrupts */
2135 io_write(sd, 0x46, 0x9c);
2136 /* ESDP_50HZ_DET interrupt */
2137 io_write(sd, 0x5a, 0x10);
2138 /* Enable CABLE_DET_A/B_ST (+5v) interrupt */
2139 io_write(sd, 0x73, 0x03);
2140 /* Enable V_LOCKED and DE_REGEN_LCK interrupts */
2141 io_write(sd, 0x78, 0x03);
2142 /* Enable SDP Standard Detection Change and SDP Video Detected */
2143 io_write(sd, 0xa0, 0x09);
2144 /* Enable HDMI_MODE interrupt */
2145 io_write(sd, 0x69, 0x08);
2147 io_write(sd, 0x46, 0x0);
2148 io_write(sd, 0x5a, 0x0);
2149 io_write(sd, 0x73, 0x0);
2150 io_write(sd, 0x78, 0x0);
2151 io_write(sd, 0xa0, 0x0);
2152 io_write(sd, 0x69, 0x0);
2156 #if IS_ENABLED(CONFIG_VIDEO_ADV7842_CEC)
2157 static void adv7842_cec_tx_raw_status(struct v4l2_subdev *sd, u8 tx_raw_status)
2159 struct adv7842_state *state = to_state(sd);
2161 if ((cec_read(sd, 0x11) & 0x01) == 0) {
2162 v4l2_dbg(1, debug, sd, "%s: tx raw: tx disabled\n", __func__);
2166 if (tx_raw_status & 0x02) {
2167 v4l2_dbg(1, debug, sd, "%s: tx raw: arbitration lost\n",
2169 cec_transmit_done(state->cec_adap, CEC_TX_STATUS_ARB_LOST,
2173 if (tx_raw_status & 0x04) {
2178 v4l2_dbg(1, debug, sd, "%s: tx raw: retry failed\n", __func__);
2180 * We set this status bit since this hardware performs
2183 status = CEC_TX_STATUS_MAX_RETRIES;
2184 nack_cnt = cec_read(sd, 0x14) & 0xf;
2186 status |= CEC_TX_STATUS_NACK;
2187 low_drive_cnt = cec_read(sd, 0x14) >> 4;
2189 status |= CEC_TX_STATUS_LOW_DRIVE;
2190 cec_transmit_done(state->cec_adap, status,
2191 0, nack_cnt, low_drive_cnt, 0);
2194 if (tx_raw_status & 0x01) {
2195 v4l2_dbg(1, debug, sd, "%s: tx raw: ready ok\n", __func__);
2196 cec_transmit_done(state->cec_adap, CEC_TX_STATUS_OK, 0, 0, 0, 0);
2201 static void adv7842_cec_isr(struct v4l2_subdev *sd, bool *handled)
2205 /* cec controller */
2206 cec_irq = io_read(sd, 0x93) & 0x0f;
2210 v4l2_dbg(1, debug, sd, "%s: cec: irq 0x%x\n", __func__, cec_irq);
2211 adv7842_cec_tx_raw_status(sd, cec_irq);
2212 if (cec_irq & 0x08) {
2213 struct adv7842_state *state = to_state(sd);
2216 msg.len = cec_read(sd, 0x25) & 0x1f;
2223 for (i = 0; i < msg.len; i++)
2224 msg.msg[i] = cec_read(sd, i + 0x15);
2225 cec_write(sd, 0x26, 0x01); /* re-enable rx */
2226 cec_received_msg(state->cec_adap, &msg);
2230 io_write(sd, 0x94, cec_irq);
2236 static int adv7842_cec_adap_enable(struct cec_adapter *adap, bool enable)
2238 struct adv7842_state *state = cec_get_drvdata(adap);
2239 struct v4l2_subdev *sd = &state->sd;
2241 if (!state->cec_enabled_adap && enable) {
2242 cec_write_clr_set(sd, 0x2a, 0x01, 0x01); /* power up cec */
2243 cec_write(sd, 0x2c, 0x01); /* cec soft reset */
2244 cec_write_clr_set(sd, 0x11, 0x01, 0); /* initially disable tx */
2247 /* tx: arbitration lost */
2248 /* tx: retry timeout */
2250 io_write_clr_set(sd, 0x96, 0x0f, 0x0f);
2251 cec_write(sd, 0x26, 0x01); /* enable rx */
2252 } else if (state->cec_enabled_adap && !enable) {
2253 /* disable cec interrupts */
2254 io_write_clr_set(sd, 0x96, 0x0f, 0x00);
2255 /* disable address mask 1-3 */
2256 cec_write_clr_set(sd, 0x27, 0x70, 0x00);
2257 /* power down cec section */
2258 cec_write_clr_set(sd, 0x2a, 0x01, 0x00);
2259 state->cec_valid_addrs = 0;
2261 state->cec_enabled_adap = enable;
2265 static int adv7842_cec_adap_log_addr(struct cec_adapter *adap, u8 addr)
2267 struct adv7842_state *state = cec_get_drvdata(adap);
2268 struct v4l2_subdev *sd = &state->sd;
2269 unsigned int i, free_idx = ADV7842_MAX_ADDRS;
2271 if (!state->cec_enabled_adap)
2272 return addr == CEC_LOG_ADDR_INVALID ? 0 : -EIO;
2274 if (addr == CEC_LOG_ADDR_INVALID) {
2275 cec_write_clr_set(sd, 0x27, 0x70, 0);
2276 state->cec_valid_addrs = 0;
2280 for (i = 0; i < ADV7842_MAX_ADDRS; i++) {
2281 bool is_valid = state->cec_valid_addrs & (1 << i);
2283 if (free_idx == ADV7842_MAX_ADDRS && !is_valid)
2285 if (is_valid && state->cec_addr[i] == addr)
2288 if (i == ADV7842_MAX_ADDRS) {
2290 if (i == ADV7842_MAX_ADDRS)
2293 state->cec_addr[i] = addr;
2294 state->cec_valid_addrs |= 1 << i;
2298 /* enable address mask 0 */
2299 cec_write_clr_set(sd, 0x27, 0x10, 0x10);
2300 /* set address for mask 0 */
2301 cec_write_clr_set(sd, 0x28, 0x0f, addr);
2304 /* enable address mask 1 */
2305 cec_write_clr_set(sd, 0x27, 0x20, 0x20);
2306 /* set address for mask 1 */
2307 cec_write_clr_set(sd, 0x28, 0xf0, addr << 4);
2310 /* enable address mask 2 */
2311 cec_write_clr_set(sd, 0x27, 0x40, 0x40);
2312 /* set address for mask 1 */
2313 cec_write_clr_set(sd, 0x29, 0x0f, addr);
2319 static int adv7842_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
2320 u32 signal_free_time, struct cec_msg *msg)
2322 struct adv7842_state *state = cec_get_drvdata(adap);
2323 struct v4l2_subdev *sd = &state->sd;
2328 * The number of retries is the number of attempts - 1, but retry
2329 * at least once. It's not clear if a value of 0 is allowed, so
2330 * let's do at least one retry.
2332 cec_write_clr_set(sd, 0x12, 0x70, max(1, attempts - 1) << 4);
2335 v4l2_err(sd, "%s: len exceeded 16 (%d)\n", __func__, len);
2340 for (i = 0; i < len; i++)
2341 cec_write(sd, i, msg->msg[i]);
2343 /* set length (data + header) */
2344 cec_write(sd, 0x10, len);
2345 /* start transmit, enable tx */
2346 cec_write(sd, 0x11, 0x01);
2350 static const struct cec_adap_ops adv7842_cec_adap_ops = {
2351 .adap_enable = adv7842_cec_adap_enable,
2352 .adap_log_addr = adv7842_cec_adap_log_addr,
2353 .adap_transmit = adv7842_cec_adap_transmit,
2357 static int adv7842_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
2359 struct adv7842_state *state = to_state(sd);
2360 u8 fmt_change_cp, fmt_change_digital, fmt_change_sdp;
2363 adv7842_irq_enable(sd, false);
2366 irq_status[0] = io_read(sd, 0x43);
2367 irq_status[1] = io_read(sd, 0x57);
2368 irq_status[2] = io_read(sd, 0x70);
2369 irq_status[3] = io_read(sd, 0x75);
2370 irq_status[4] = io_read(sd, 0x9d);
2371 irq_status[5] = io_read(sd, 0x66);
2375 io_write(sd, 0x44, irq_status[0]);
2377 io_write(sd, 0x58, irq_status[1]);
2379 io_write(sd, 0x71, irq_status[2]);
2381 io_write(sd, 0x76, irq_status[3]);
2383 io_write(sd, 0x9e, irq_status[4]);
2385 io_write(sd, 0x67, irq_status[5]);
2387 adv7842_irq_enable(sd, true);
2389 v4l2_dbg(1, debug, sd, "%s: irq %x, %x, %x, %x, %x, %x\n", __func__,
2390 irq_status[0], irq_status[1], irq_status[2],
2391 irq_status[3], irq_status[4], irq_status[5]);
2393 /* format change CP */
2394 fmt_change_cp = irq_status[0] & 0x9c;
2396 /* format change SDP */
2397 if (state->mode == ADV7842_MODE_SDP)
2398 fmt_change_sdp = (irq_status[1] & 0x30) | (irq_status[4] & 0x09);
2402 /* digital format CP */
2403 if (is_digital_input(sd))
2404 fmt_change_digital = irq_status[3] & 0x03;
2406 fmt_change_digital = 0;
2409 if (fmt_change_cp || fmt_change_digital || fmt_change_sdp) {
2410 v4l2_dbg(1, debug, sd,
2411 "%s: fmt_change_cp = 0x%x, fmt_change_digital = 0x%x, fmt_change_sdp = 0x%x\n",
2412 __func__, fmt_change_cp, fmt_change_digital,
2414 v4l2_subdev_notify_event(sd, &adv7842_ev_fmt);
2420 if (irq_status[5] & 0x08) {
2421 v4l2_dbg(1, debug, sd, "%s: irq %s mode\n", __func__,
2422 (io_read(sd, 0x65) & 0x08) ? "HDMI" : "DVI");
2423 set_rgb_quantization_range(sd);
2428 #if IS_ENABLED(CONFIG_VIDEO_ADV7842_CEC)
2430 adv7842_cec_isr(sd, handled);
2434 if (irq_status[2] & 0x3) {
2435 v4l2_dbg(1, debug, sd, "%s: irq tx_5v\n", __func__);
2436 adv7842_s_detect_tx_5v_ctrl(sd);
2443 static int adv7842_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid)
2445 struct adv7842_state *state = to_state(sd);
2448 memset(edid->reserved, 0, sizeof(edid->reserved));
2450 switch (edid->pad) {
2451 case ADV7842_EDID_PORT_A:
2452 case ADV7842_EDID_PORT_B:
2453 if (state->hdmi_edid.present & (0x04 << edid->pad))
2454 data = state->hdmi_edid.edid;
2456 case ADV7842_EDID_PORT_VGA:
2457 if (state->vga_edid.present)
2458 data = state->vga_edid.edid;
2464 if (edid->start_block == 0 && edid->blocks == 0) {
2465 edid->blocks = data ? 2 : 0;
2472 if (edid->start_block >= 2)
2475 if (edid->start_block + edid->blocks > 2)
2476 edid->blocks = 2 - edid->start_block;
2478 memcpy(edid->edid, data + edid->start_block * 128, edid->blocks * 128);
2483 static int adv7842_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *e)
2485 struct adv7842_state *state = to_state(sd);
2488 memset(e->reserved, 0, sizeof(e->reserved));
2490 if (e->pad > ADV7842_EDID_PORT_VGA)
2492 if (e->start_block != 0)
2494 if (e->blocks > 2) {
2499 /* todo, per edid */
2500 state->aspect_ratio = v4l2_calc_aspect_ratio(e->edid[0x15],
2504 case ADV7842_EDID_PORT_VGA:
2505 memset(&state->vga_edid.edid, 0, 256);
2506 state->vga_edid.present = e->blocks ? 0x1 : 0x0;
2507 memcpy(&state->vga_edid.edid, e->edid, 128 * e->blocks);
2508 err = edid_write_vga_segment(sd);
2510 case ADV7842_EDID_PORT_A:
2511 case ADV7842_EDID_PORT_B:
2512 memset(&state->hdmi_edid.edid, 0, 256);
2514 state->hdmi_edid.present |= 0x04 << e->pad;
2516 state->hdmi_edid.present &= ~(0x04 << e->pad);
2517 adv7842_s_detect_tx_5v_ctrl(sd);
2519 memcpy(&state->hdmi_edid.edid, e->edid, 128 * e->blocks);
2520 err = edid_write_hdmi_segment(sd, e->pad);
2526 v4l2_err(sd, "error %d writing edid on port %d\n", err, e->pad);
2530 struct adv7842_cfg_read_infoframe {
2537 static void log_infoframe(struct v4l2_subdev *sd, const struct adv7842_cfg_read_infoframe *cri)
2541 union hdmi_infoframe frame;
2543 struct i2c_client *client = v4l2_get_subdevdata(sd);
2544 struct device *dev = &client->dev;
2546 if (!(io_read(sd, 0x60) & cri->present_mask)) {
2547 v4l2_info(sd, "%s infoframe not received\n", cri->desc);
2551 for (i = 0; i < 3; i++)
2552 buffer[i] = infoframe_read(sd, cri->head_addr + i);
2554 len = buffer[2] + 1;
2556 if (len + 3 > sizeof(buffer)) {
2557 v4l2_err(sd, "%s: invalid %s infoframe length %d\n", __func__, cri->desc, len);
2561 for (i = 0; i < len; i++)
2562 buffer[i + 3] = infoframe_read(sd, cri->payload_addr + i);
2564 if (hdmi_infoframe_unpack(&frame, buffer, sizeof(buffer)) < 0) {
2565 v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, cri->desc);
2569 hdmi_infoframe_log(KERN_INFO, dev, &frame);
2572 static void adv7842_log_infoframes(struct v4l2_subdev *sd)
2575 static const struct adv7842_cfg_read_infoframe cri[] = {
2576 { "AVI", 0x01, 0xe0, 0x00 },
2577 { "Audio", 0x02, 0xe3, 0x1c },
2578 { "SDP", 0x04, 0xe6, 0x2a },
2579 { "Vendor", 0x10, 0xec, 0x54 }
2582 if (!(hdmi_read(sd, 0x05) & 0x80)) {
2583 v4l2_info(sd, "receive DVI-D signal, no infoframes\n");
2587 for (i = 0; i < ARRAY_SIZE(cri); i++)
2588 log_infoframe(sd, &cri[i]);
2592 /* Let's keep it here for now, as it could be useful for debug */
2593 static const char * const prim_mode_txt[] = {
2598 "CVBS & HDMI AUDIO",
2613 static int adv7842_sdp_log_status(struct v4l2_subdev *sd)
2615 /* SDP (Standard definition processor) block */
2616 u8 sdp_signal_detected = sdp_read(sd, 0x5A) & 0x01;
2618 v4l2_info(sd, "Chip powered %s\n", no_power(sd) ? "off" : "on");
2619 v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x\n",
2620 io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f);
2622 v4l2_info(sd, "SDP: free run: %s\n",
2623 (sdp_read(sd, 0x56) & 0x01) ? "on" : "off");
2624 v4l2_info(sd, "SDP: %s\n", sdp_signal_detected ?
2625 "valid SD/PR signal detected" : "invalid/no signal");
2626 if (sdp_signal_detected) {
2627 static const char * const sdp_std_txt[] = {
2635 "7?", "8?", "9?", "a?", "b?",
2641 v4l2_info(sd, "SDP: standard %s\n",
2642 sdp_std_txt[sdp_read(sd, 0x52) & 0x0f]);
2643 v4l2_info(sd, "SDP: %s\n",
2644 (sdp_read(sd, 0x59) & 0x08) ? "50Hz" : "60Hz");
2645 v4l2_info(sd, "SDP: %s\n",
2646 (sdp_read(sd, 0x57) & 0x08) ? "Interlaced" : "Progressive");
2647 v4l2_info(sd, "SDP: deinterlacer %s\n",
2648 (sdp_read(sd, 0x12) & 0x08) ? "enabled" : "disabled");
2649 v4l2_info(sd, "SDP: csc %s mode\n",
2650 (sdp_io_read(sd, 0xe0) & 0x40) ? "auto" : "manual");
2655 static int adv7842_cp_log_status(struct v4l2_subdev *sd)
2658 struct adv7842_state *state = to_state(sd);
2659 struct v4l2_dv_timings timings;
2660 u8 reg_io_0x02 = io_read(sd, 0x02);
2661 u8 reg_io_0x21 = io_read(sd, 0x21);
2662 u8 reg_rep_0x77 = rep_read(sd, 0x77);
2663 u8 reg_rep_0x7d = rep_read(sd, 0x7d);
2664 bool audio_pll_locked = hdmi_read(sd, 0x04) & 0x01;
2665 bool audio_sample_packet_detect = hdmi_read(sd, 0x18) & 0x01;
2666 bool audio_mute = io_read(sd, 0x65) & 0x40;
2668 static const char * const csc_coeff_sel_rb[16] = {
2669 "bypassed", "YPbPr601 -> RGB", "reserved", "YPbPr709 -> RGB",
2670 "reserved", "RGB -> YPbPr601", "reserved", "RGB -> YPbPr709",
2671 "reserved", "YPbPr709 -> YPbPr601", "YPbPr601 -> YPbPr709",
2672 "reserved", "reserved", "reserved", "reserved", "manual"
2674 static const char * const input_color_space_txt[16] = {
2675 "RGB limited range (16-235)", "RGB full range (0-255)",
2676 "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)",
2677 "xvYCC Bt.601", "xvYCC Bt.709",
2678 "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)",
2679 "invalid", "invalid", "invalid", "invalid", "invalid",
2680 "invalid", "invalid", "automatic"
2682 static const char * const rgb_quantization_range_txt[] = {
2684 "RGB limited range (16-235)",
2685 "RGB full range (0-255)",
2687 static const char * const deep_color_mode_txt[4] = {
2688 "8-bits per channel",
2689 "10-bits per channel",
2690 "12-bits per channel",
2691 "16-bits per channel (not supported)"
2694 v4l2_info(sd, "-----Chip status-----\n");
2695 v4l2_info(sd, "Chip power: %s\n", no_power(sd) ? "off" : "on");
2696 v4l2_info(sd, "HDMI/DVI-D port selected: %s\n",
2697 state->hdmi_port_a ? "A" : "B");
2698 v4l2_info(sd, "EDID A %s, B %s\n",
2699 ((reg_rep_0x7d & 0x04) && (reg_rep_0x77 & 0x04)) ?
2700 "enabled" : "disabled",
2701 ((reg_rep_0x7d & 0x08) && (reg_rep_0x77 & 0x08)) ?
2702 "enabled" : "disabled");
2703 v4l2_info(sd, "HPD A %s, B %s\n",
2704 reg_io_0x21 & 0x02 ? "enabled" : "disabled",
2705 reg_io_0x21 & 0x01 ? "enabled" : "disabled");
2706 v4l2_info(sd, "CEC: %s\n", state->cec_enabled_adap ?
2707 "enabled" : "disabled");
2708 if (state->cec_enabled_adap) {
2711 for (i = 0; i < ADV7842_MAX_ADDRS; i++) {
2712 bool is_valid = state->cec_valid_addrs & (1 << i);
2715 v4l2_info(sd, "CEC Logical Address: 0x%x\n",
2716 state->cec_addr[i]);
2720 v4l2_info(sd, "-----Signal status-----\n");
2721 if (state->hdmi_port_a) {
2722 v4l2_info(sd, "Cable detected (+5V power): %s\n",
2723 io_read(sd, 0x6f) & 0x02 ? "true" : "false");
2724 v4l2_info(sd, "TMDS signal detected: %s\n",
2725 (io_read(sd, 0x6a) & 0x02) ? "true" : "false");
2726 v4l2_info(sd, "TMDS signal locked: %s\n",
2727 (io_read(sd, 0x6a) & 0x20) ? "true" : "false");
2729 v4l2_info(sd, "Cable detected (+5V power):%s\n",
2730 io_read(sd, 0x6f) & 0x01 ? "true" : "false");
2731 v4l2_info(sd, "TMDS signal detected: %s\n",
2732 (io_read(sd, 0x6a) & 0x01) ? "true" : "false");
2733 v4l2_info(sd, "TMDS signal locked: %s\n",
2734 (io_read(sd, 0x6a) & 0x10) ? "true" : "false");
2736 v4l2_info(sd, "CP free run: %s\n",
2737 (!!(cp_read(sd, 0xff) & 0x10) ? "on" : "off"));
2738 v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x, v_freq = 0x%x\n",
2739 io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f,
2740 (io_read(sd, 0x01) & 0x70) >> 4);
2742 v4l2_info(sd, "-----Video Timings-----\n");
2743 if (no_cp_signal(sd)) {
2744 v4l2_info(sd, "STDI: not locked\n");
2746 u32 bl = ((cp_read(sd, 0xb1) & 0x3f) << 8) | cp_read(sd, 0xb2);
2747 u32 lcf = ((cp_read(sd, 0xb3) & 0x7) << 8) | cp_read(sd, 0xb4);
2748 u32 lcvs = cp_read(sd, 0xb3) >> 3;
2749 u32 fcl = ((cp_read(sd, 0xb8) & 0x1f) << 8) | cp_read(sd, 0xb9);
2750 char hs_pol = ((cp_read(sd, 0xb5) & 0x10) ?
2751 ((cp_read(sd, 0xb5) & 0x08) ? '+' : '-') : 'x');
2752 char vs_pol = ((cp_read(sd, 0xb5) & 0x40) ?
2753 ((cp_read(sd, 0xb5) & 0x20) ? '+' : '-') : 'x');
2755 "STDI: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, fcl = %d, %s, %chsync, %cvsync\n",
2757 (cp_read(sd, 0xb1) & 0x40) ?
2758 "interlaced" : "progressive",
2761 if (adv7842_query_dv_timings(sd, &timings))
2762 v4l2_info(sd, "No video detected\n");
2764 v4l2_print_dv_timings(sd->name, "Detected format: ",
2766 v4l2_print_dv_timings(sd->name, "Configured format: ",
2767 &state->timings, true);
2769 if (no_cp_signal(sd))
2772 v4l2_info(sd, "-----Color space-----\n");
2773 v4l2_info(sd, "RGB quantization range ctrl: %s\n",
2774 rgb_quantization_range_txt[state->rgb_quantization_range]);
2775 v4l2_info(sd, "Input color space: %s\n",
2776 input_color_space_txt[reg_io_0x02 >> 4]);
2777 v4l2_info(sd, "Output color space: %s %s, alt-gamma %s\n",
2778 (reg_io_0x02 & 0x02) ? "RGB" : "YCbCr",
2779 (((reg_io_0x02 >> 2) & 0x01) ^ (reg_io_0x02 & 0x01)) ?
2780 "(16-235)" : "(0-255)",
2781 (reg_io_0x02 & 0x08) ? "enabled" : "disabled");
2782 v4l2_info(sd, "Color space conversion: %s\n",
2783 csc_coeff_sel_rb[cp_read(sd, 0xf4) >> 4]);
2785 if (!is_digital_input(sd))
2788 v4l2_info(sd, "-----%s status-----\n", is_hdmi(sd) ? "HDMI" : "DVI-D");
2789 v4l2_info(sd, "HDCP encrypted content: %s\n",
2790 (hdmi_read(sd, 0x05) & 0x40) ? "true" : "false");
2791 v4l2_info(sd, "HDCP keys read: %s%s\n",
2792 (hdmi_read(sd, 0x04) & 0x20) ? "yes" : "no",
2793 (hdmi_read(sd, 0x04) & 0x10) ? "ERROR" : "");
2797 v4l2_info(sd, "Audio: pll %s, samples %s, %s\n",
2798 audio_pll_locked ? "locked" : "not locked",
2799 audio_sample_packet_detect ? "detected" : "not detected",
2800 audio_mute ? "muted" : "enabled");
2801 if (audio_pll_locked && audio_sample_packet_detect) {
2802 v4l2_info(sd, "Audio format: %s\n",
2803 (hdmi_read(sd, 0x07) & 0x40) ? "multi-channel" : "stereo");
2805 v4l2_info(sd, "Audio CTS: %u\n", (hdmi_read(sd, 0x5b) << 12) +
2806 (hdmi_read(sd, 0x5c) << 8) +
2807 (hdmi_read(sd, 0x5d) & 0xf0));
2808 v4l2_info(sd, "Audio N: %u\n", ((hdmi_read(sd, 0x5d) & 0x0f) << 16) +
2809 (hdmi_read(sd, 0x5e) << 8) +
2810 hdmi_read(sd, 0x5f));
2811 v4l2_info(sd, "AV Mute: %s\n",
2812 (hdmi_read(sd, 0x04) & 0x40) ? "on" : "off");
2813 v4l2_info(sd, "Deep color mode: %s\n",
2814 deep_color_mode_txt[hdmi_read(sd, 0x0b) >> 6]);
2816 adv7842_log_infoframes(sd);
2821 static int adv7842_log_status(struct v4l2_subdev *sd)
2823 struct adv7842_state *state = to_state(sd);
2825 if (state->mode == ADV7842_MODE_SDP)
2826 return adv7842_sdp_log_status(sd);
2827 return adv7842_cp_log_status(sd);
2830 static int adv7842_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
2832 struct adv7842_state *state = to_state(sd);
2834 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
2836 if (state->mode != ADV7842_MODE_SDP)
2839 if (!(sdp_read(sd, 0x5A) & 0x01)) {
2841 v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__);
2845 switch (sdp_read(sd, 0x52) & 0x0f) {
2848 *std &= V4L2_STD_NTSC;
2852 *std &= V4L2_STD_NTSC_443;
2856 *std &= V4L2_STD_SECAM;
2860 *std &= V4L2_STD_PAL_M;
2864 *std &= V4L2_STD_PAL_60;
2868 *std &= V4L2_STD_PAL_Nc;
2872 *std &= V4L2_STD_PAL;
2876 *std &= V4L2_STD_SECAM;
2879 *std &= V4L2_STD_ALL;
2885 static void adv7842_s_sdp_io(struct v4l2_subdev *sd, struct adv7842_sdp_io_sync_adjustment *s)
2887 if (s && s->adjust) {
2888 sdp_io_write(sd, 0x94, (s->hs_beg >> 8) & 0xf);
2889 sdp_io_write(sd, 0x95, s->hs_beg & 0xff);
2890 sdp_io_write(sd, 0x96, (s->hs_width >> 8) & 0xf);
2891 sdp_io_write(sd, 0x97, s->hs_width & 0xff);
2892 sdp_io_write(sd, 0x98, (s->de_beg >> 8) & 0xf);
2893 sdp_io_write(sd, 0x99, s->de_beg & 0xff);
2894 sdp_io_write(sd, 0x9a, (s->de_end >> 8) & 0xf);
2895 sdp_io_write(sd, 0x9b, s->de_end & 0xff);
2896 sdp_io_write(sd, 0xa8, s->vs_beg_o);
2897 sdp_io_write(sd, 0xa9, s->vs_beg_e);
2898 sdp_io_write(sd, 0xaa, s->vs_end_o);
2899 sdp_io_write(sd, 0xab, s->vs_end_e);
2900 sdp_io_write(sd, 0xac, s->de_v_beg_o);
2901 sdp_io_write(sd, 0xad, s->de_v_beg_e);
2902 sdp_io_write(sd, 0xae, s->de_v_end_o);
2903 sdp_io_write(sd, 0xaf, s->de_v_end_e);
2905 /* set to default */
2906 sdp_io_write(sd, 0x94, 0x00);
2907 sdp_io_write(sd, 0x95, 0x00);
2908 sdp_io_write(sd, 0x96, 0x00);
2909 sdp_io_write(sd, 0x97, 0x20);
2910 sdp_io_write(sd, 0x98, 0x00);
2911 sdp_io_write(sd, 0x99, 0x00);
2912 sdp_io_write(sd, 0x9a, 0x00);
2913 sdp_io_write(sd, 0x9b, 0x00);
2914 sdp_io_write(sd, 0xa8, 0x04);
2915 sdp_io_write(sd, 0xa9, 0x04);
2916 sdp_io_write(sd, 0xaa, 0x04);
2917 sdp_io_write(sd, 0xab, 0x04);
2918 sdp_io_write(sd, 0xac, 0x04);
2919 sdp_io_write(sd, 0xad, 0x04);
2920 sdp_io_write(sd, 0xae, 0x04);
2921 sdp_io_write(sd, 0xaf, 0x04);
2925 static int adv7842_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
2927 struct adv7842_state *state = to_state(sd);
2928 struct adv7842_platform_data *pdata = &state->pdata;
2930 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
2932 if (state->mode != ADV7842_MODE_SDP)
2935 if (norm & V4L2_STD_625_50)
2936 adv7842_s_sdp_io(sd, &pdata->sdp_io_sync_625);
2937 else if (norm & V4L2_STD_525_60)
2938 adv7842_s_sdp_io(sd, &pdata->sdp_io_sync_525);
2940 adv7842_s_sdp_io(sd, NULL);
2942 if (norm & V4L2_STD_ALL) {
2949 static int adv7842_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
2951 struct adv7842_state *state = to_state(sd);
2953 v4l2_dbg(1, debug, sd, "%s:\n", __func__);
2955 if (state->mode != ADV7842_MODE_SDP)
2958 *norm = state->norm;
2962 /* ----------------------------------------------------------------------- */
2964 static int adv7842_core_init(struct v4l2_subdev *sd)
2966 struct adv7842_state *state = to_state(sd);
2967 struct adv7842_platform_data *pdata = &state->pdata;
2968 hdmi_write(sd, 0x48,
2969 (pdata->disable_pwrdnb ? 0x80 : 0) |
2970 (pdata->disable_cable_det_rst ? 0x40 : 0));
2975 * Disable I2C access to internal EDID ram from HDMI DDC ports
2976 * Disable auto edid enable when leaving powerdown mode
2978 rep_write_and_or(sd, 0x77, 0xd3, 0x20);
2981 io_write(sd, 0x0c, 0x42); /* Power up part and power down VDP */
2982 io_write(sd, 0x15, 0x80); /* Power up pads */
2985 io_write(sd, 0x02, 0xf0 | pdata->alt_gamma << 3);
2986 io_write_and_or(sd, 0x05, 0xf0, pdata->blank_data << 3 |
2987 pdata->insert_av_codes << 2 |
2988 pdata->replicate_av_codes << 1);
2989 adv7842_setup_format(state);
2992 hdmi_write_and_or(sd, 0x1a, 0xf1, 0x08); /* Wait 1 s before unmute */
2994 /* Drive strength */
2995 io_write_and_or(sd, 0x14, 0xc0,
2996 pdata->dr_str_data << 4 |
2997 pdata->dr_str_clk << 2 |
2998 pdata->dr_str_sync);
3001 cp_write_and_or(sd, 0xba, 0xfc, pdata->hdmi_free_run_enable |
3002 (pdata->hdmi_free_run_mode << 1));
3005 sdp_write_and_or(sd, 0xdd, 0xf0, pdata->sdp_free_run_force |
3006 (pdata->sdp_free_run_cbar_en << 1) |
3007 (pdata->sdp_free_run_man_col_en << 2) |
3008 (pdata->sdp_free_run_auto << 3));
3010 /* TODO from platform data */
3011 cp_write(sd, 0x69, 0x14); /* Enable CP CSC */
3012 io_write(sd, 0x06, 0xa6); /* positive VS and HS and DE */
3013 cp_write(sd, 0xf3, 0xdc); /* Low threshold to enter/exit free run mode */
3014 afe_write(sd, 0xb5, 0x01); /* Setting MCLK to 256Fs */
3016 afe_write(sd, 0x02, pdata->ain_sel); /* Select analog input muxing mode */
3017 io_write_and_or(sd, 0x30, ~(1 << 4), pdata->output_bus_lsb_to_msb << 4);
3019 sdp_csc_coeff(sd, &pdata->sdp_csc_coeff);
3021 /* todo, improve settings for sdram */
3022 if (pdata->sd_ram_size >= 128) {
3023 sdp_write(sd, 0x12, 0x0d); /* Frame TBC,3D comb enabled */
3024 if (pdata->sd_ram_ddr) {
3025 /* SDP setup for the AD eval board */
3026 sdp_io_write(sd, 0x6f, 0x00); /* DDR mode */
3027 sdp_io_write(sd, 0x75, 0x0a); /* 128 MB memory size */
3028 sdp_io_write(sd, 0x7a, 0xa5); /* Timing Adjustment */
3029 sdp_io_write(sd, 0x7b, 0x8f); /* Timing Adjustment */
3030 sdp_io_write(sd, 0x60, 0x01); /* SDRAM reset */
3032 sdp_io_write(sd, 0x75, 0x0a); /* 64 MB memory size ?*/
3033 sdp_io_write(sd, 0x74, 0x00); /* must be zero for sdr sdram */
3034 sdp_io_write(sd, 0x79, 0x33); /* CAS latency to 3,
3035 depends on memory */
3036 sdp_io_write(sd, 0x6f, 0x01); /* SDR mode */
3037 sdp_io_write(sd, 0x7a, 0xa5); /* Timing Adjustment */
3038 sdp_io_write(sd, 0x7b, 0x8f); /* Timing Adjustment */
3039 sdp_io_write(sd, 0x60, 0x01); /* SDRAM reset */
3043 * Manual UG-214, rev 0 is bit confusing on this bit
3044 * but a '1' disables any signal if the Ram is active.
3046 sdp_io_write(sd, 0x29, 0x10); /* Tristate memory interface */
3049 select_input(sd, pdata->vid_std_select);
3053 if (pdata->hpa_auto) {
3054 /* HPA auto, HPA 0.5s after Edid set and Cable detect */
3055 hdmi_write(sd, 0x69, 0x5c);
3058 hdmi_write(sd, 0x69, 0xa3);
3059 /* HPA disable on port A and B */
3060 io_write_and_or(sd, 0x20, 0xcf, 0x00);
3064 io_write(sd, 0x19, 0x80 | pdata->llc_dll_phase);
3065 io_write(sd, 0x33, 0x40);
3068 io_write(sd, 0x40, 0xf2); /* Configure INT1 */
3070 adv7842_irq_enable(sd, true);
3072 return v4l2_ctrl_handler_setup(sd->ctrl_handler);
3075 /* ----------------------------------------------------------------------- */
3077 static int adv7842_ddr_ram_test(struct v4l2_subdev *sd)
3080 * From ADV784x external Memory test.pdf
3082 * Reset must just been performed before running test.
3083 * Recommended to reset after test.
3090 io_write(sd, 0x00, 0x01); /* Program SDP 4x1 */
3091 io_write(sd, 0x01, 0x00); /* Program SDP mode */
3092 afe_write(sd, 0x80, 0x92); /* SDP Recommended Write */
3093 afe_write(sd, 0x9B, 0x01); /* SDP Recommended Write ADV7844ES1 */
3094 afe_write(sd, 0x9C, 0x60); /* SDP Recommended Write ADV7844ES1 */
3095 afe_write(sd, 0x9E, 0x02); /* SDP Recommended Write ADV7844ES1 */
3096 afe_write(sd, 0xA0, 0x0B); /* SDP Recommended Write ADV7844ES1 */
3097 afe_write(sd, 0xC3, 0x02); /* Memory BIST Initialisation */
3098 io_write(sd, 0x0C, 0x40); /* Power up ADV7844 */
3099 io_write(sd, 0x15, 0xBA); /* Enable outputs */
3100 sdp_write(sd, 0x12, 0x00); /* Disable 3D comb, Frame TBC & 3DNR */
3101 io_write(sd, 0xFF, 0x04); /* Reset memory controller */
3103 usleep_range(5000, 6000);
3105 sdp_write(sd, 0x12, 0x00); /* Disable 3D Comb, Frame TBC & 3DNR */
3106 sdp_io_write(sd, 0x2A, 0x01); /* Memory BIST Initialisation */
3107 sdp_io_write(sd, 0x7c, 0x19); /* Memory BIST Initialisation */
3108 sdp_io_write(sd, 0x80, 0x87); /* Memory BIST Initialisation */
3109 sdp_io_write(sd, 0x81, 0x4a); /* Memory BIST Initialisation */
3110 sdp_io_write(sd, 0x82, 0x2c); /* Memory BIST Initialisation */
3111 sdp_io_write(sd, 0x83, 0x0e); /* Memory BIST Initialisation */
3112 sdp_io_write(sd, 0x84, 0x94); /* Memory BIST Initialisation */
3113 sdp_io_write(sd, 0x85, 0x62); /* Memory BIST Initialisation */
3114 sdp_io_write(sd, 0x7d, 0x00); /* Memory BIST Initialisation */
3115 sdp_io_write(sd, 0x7e, 0x1a); /* Memory BIST Initialisation */
3117 usleep_range(5000, 6000);
3119 sdp_io_write(sd, 0xd9, 0xd5); /* Enable BIST Test */
3120 sdp_write(sd, 0x12, 0x05); /* Enable FRAME TBC & 3D COMB */
3124 for (i = 0; i < 10; i++) {
3125 u8 result = sdp_io_read(sd, 0xdb);
3126 if (result & 0x10) {
3136 v4l2_dbg(1, debug, sd,
3137 "Ram Test: completed %d of %d: pass %d, fail %d\n",
3138 complete, i, pass, fail);
3140 if (!complete || fail)
3145 static void adv7842_rewrite_i2c_addresses(struct v4l2_subdev *sd,
3146 struct adv7842_platform_data *pdata)
3148 io_write(sd, 0xf1, pdata->i2c_sdp << 1);
3149 io_write(sd, 0xf2, pdata->i2c_sdp_io << 1);
3150 io_write(sd, 0xf3, pdata->i2c_avlink << 1);
3151 io_write(sd, 0xf4, pdata->i2c_cec << 1);
3152 io_write(sd, 0xf5, pdata->i2c_infoframe << 1);
3154 io_write(sd, 0xf8, pdata->i2c_afe << 1);
3155 io_write(sd, 0xf9, pdata->i2c_repeater << 1);
3156 io_write(sd, 0xfa, pdata->i2c_edid << 1);
3157 io_write(sd, 0xfb, pdata->i2c_hdmi << 1);
3159 io_write(sd, 0xfd, pdata->i2c_cp << 1);
3160 io_write(sd, 0xfe, pdata->i2c_vdp << 1);
3163 static int adv7842_command_ram_test(struct v4l2_subdev *sd)
3165 struct i2c_client *client = v4l2_get_subdevdata(sd);
3166 struct adv7842_state *state = to_state(sd);
3167 struct adv7842_platform_data *pdata = client->dev.platform_data;
3168 struct v4l2_dv_timings timings;
3174 if (!pdata->sd_ram_size || !pdata->sd_ram_ddr) {
3175 v4l2_info(sd, "no sdram or no ddr sdram\n");
3181 adv7842_rewrite_i2c_addresses(sd, pdata);
3184 ret = adv7842_ddr_ram_test(sd);
3188 adv7842_rewrite_i2c_addresses(sd, pdata);
3190 /* and re-init chip and state */
3191 adv7842_core_init(sd);
3195 select_input(sd, state->vid_std_select);
3199 edid_write_vga_segment(sd);
3200 edid_write_hdmi_segment(sd, ADV7842_EDID_PORT_A);
3201 edid_write_hdmi_segment(sd, ADV7842_EDID_PORT_B);
3203 timings = state->timings;
3205 memset(&state->timings, 0, sizeof(struct v4l2_dv_timings));
3207 adv7842_s_dv_timings(sd, &timings);
3212 static long adv7842_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
3215 case ADV7842_CMD_RAM_TEST:
3216 return adv7842_command_ram_test(sd);
3221 static int adv7842_subscribe_event(struct v4l2_subdev *sd,
3223 struct v4l2_event_subscription *sub)
3225 switch (sub->type) {
3226 case V4L2_EVENT_SOURCE_CHANGE:
3227 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
3228 case V4L2_EVENT_CTRL:
3229 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
3235 static int adv7842_registered(struct v4l2_subdev *sd)
3237 struct adv7842_state *state = to_state(sd);
3238 struct i2c_client *client = v4l2_get_subdevdata(sd);
3241 err = cec_register_adapter(state->cec_adap, &client->dev);
3243 cec_delete_adapter(state->cec_adap);
3247 static void adv7842_unregistered(struct v4l2_subdev *sd)
3249 struct adv7842_state *state = to_state(sd);
3251 cec_unregister_adapter(state->cec_adap);
3254 /* ----------------------------------------------------------------------- */
3256 static const struct v4l2_ctrl_ops adv7842_ctrl_ops = {
3257 .s_ctrl = adv7842_s_ctrl,
3258 .g_volatile_ctrl = adv7842_g_volatile_ctrl,
3261 static const struct v4l2_subdev_core_ops adv7842_core_ops = {
3262 .log_status = adv7842_log_status,
3263 .ioctl = adv7842_ioctl,
3264 .interrupt_service_routine = adv7842_isr,
3265 .subscribe_event = adv7842_subscribe_event,
3266 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
3267 #ifdef CONFIG_VIDEO_ADV_DEBUG
3268 .g_register = adv7842_g_register,
3269 .s_register = adv7842_s_register,
3273 static const struct v4l2_subdev_video_ops adv7842_video_ops = {
3274 .g_std = adv7842_g_std,
3275 .s_std = adv7842_s_std,
3276 .s_routing = adv7842_s_routing,
3277 .querystd = adv7842_querystd,
3278 .g_input_status = adv7842_g_input_status,
3279 .s_dv_timings = adv7842_s_dv_timings,
3280 .g_dv_timings = adv7842_g_dv_timings,
3281 .query_dv_timings = adv7842_query_dv_timings,
3284 static const struct v4l2_subdev_pad_ops adv7842_pad_ops = {
3285 .enum_mbus_code = adv7842_enum_mbus_code,
3286 .get_fmt = adv7842_get_format,
3287 .set_fmt = adv7842_set_format,
3288 .get_edid = adv7842_get_edid,
3289 .set_edid = adv7842_set_edid,
3290 .enum_dv_timings = adv7842_enum_dv_timings,
3291 .dv_timings_cap = adv7842_dv_timings_cap,
3294 static const struct v4l2_subdev_ops adv7842_ops = {
3295 .core = &adv7842_core_ops,
3296 .video = &adv7842_video_ops,
3297 .pad = &adv7842_pad_ops,
3300 static const struct v4l2_subdev_internal_ops adv7842_int_ops = {
3301 .registered = adv7842_registered,
3302 .unregistered = adv7842_unregistered,
3305 /* -------------------------- custom ctrls ---------------------------------- */
3307 static const struct v4l2_ctrl_config adv7842_ctrl_analog_sampling_phase = {
3308 .ops = &adv7842_ctrl_ops,
3309 .id = V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE,
3310 .name = "Analog Sampling Phase",
3311 .type = V4L2_CTRL_TYPE_INTEGER,
3318 static const struct v4l2_ctrl_config adv7842_ctrl_free_run_color_manual = {
3319 .ops = &adv7842_ctrl_ops,
3320 .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL,
3321 .name = "Free Running Color, Manual",
3322 .type = V4L2_CTRL_TYPE_BOOLEAN,
3328 static const struct v4l2_ctrl_config adv7842_ctrl_free_run_color = {
3329 .ops = &adv7842_ctrl_ops,
3330 .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR,
3331 .name = "Free Running Color",
3332 .type = V4L2_CTRL_TYPE_INTEGER,
3338 static void adv7842_unregister_clients(struct v4l2_subdev *sd)
3340 struct adv7842_state *state = to_state(sd);
3341 i2c_unregister_device(state->i2c_avlink);
3342 i2c_unregister_device(state->i2c_cec);
3343 i2c_unregister_device(state->i2c_infoframe);
3344 i2c_unregister_device(state->i2c_sdp_io);
3345 i2c_unregister_device(state->i2c_sdp);
3346 i2c_unregister_device(state->i2c_afe);
3347 i2c_unregister_device(state->i2c_repeater);
3348 i2c_unregister_device(state->i2c_edid);
3349 i2c_unregister_device(state->i2c_hdmi);
3350 i2c_unregister_device(state->i2c_cp);
3351 i2c_unregister_device(state->i2c_vdp);
3353 state->i2c_avlink = NULL;
3354 state->i2c_cec = NULL;
3355 state->i2c_infoframe = NULL;
3356 state->i2c_sdp_io = NULL;
3357 state->i2c_sdp = NULL;
3358 state->i2c_afe = NULL;
3359 state->i2c_repeater = NULL;
3360 state->i2c_edid = NULL;
3361 state->i2c_hdmi = NULL;
3362 state->i2c_cp = NULL;
3363 state->i2c_vdp = NULL;
3366 static struct i2c_client *adv7842_dummy_client(struct v4l2_subdev *sd, const char *desc,
3369 struct i2c_client *client = v4l2_get_subdevdata(sd);
3370 struct i2c_client *cp;
3372 io_write(sd, io_reg, addr << 1);
3375 v4l2_err(sd, "no %s i2c addr configured\n", desc);
3379 cp = i2c_new_dummy_device(client->adapter, io_read(sd, io_reg) >> 1);
3381 v4l2_err(sd, "register %s on i2c addr 0x%x failed with %ld\n",
3382 desc, addr, PTR_ERR(cp));
3389 static int adv7842_register_clients(struct v4l2_subdev *sd)
3391 struct adv7842_state *state = to_state(sd);
3392 struct adv7842_platform_data *pdata = &state->pdata;
3394 state->i2c_avlink = adv7842_dummy_client(sd, "avlink", pdata->i2c_avlink, 0xf3);
3395 state->i2c_cec = adv7842_dummy_client(sd, "cec", pdata->i2c_cec, 0xf4);
3396 state->i2c_infoframe = adv7842_dummy_client(sd, "infoframe", pdata->i2c_infoframe, 0xf5);
3397 state->i2c_sdp_io = adv7842_dummy_client(sd, "sdp_io", pdata->i2c_sdp_io, 0xf2);
3398 state->i2c_sdp = adv7842_dummy_client(sd, "sdp", pdata->i2c_sdp, 0xf1);
3399 state->i2c_afe = adv7842_dummy_client(sd, "afe", pdata->i2c_afe, 0xf8);
3400 state->i2c_repeater = adv7842_dummy_client(sd, "repeater", pdata->i2c_repeater, 0xf9);
3401 state->i2c_edid = adv7842_dummy_client(sd, "edid", pdata->i2c_edid, 0xfa);
3402 state->i2c_hdmi = adv7842_dummy_client(sd, "hdmi", pdata->i2c_hdmi, 0xfb);
3403 state->i2c_cp = adv7842_dummy_client(sd, "cp", pdata->i2c_cp, 0xfd);
3404 state->i2c_vdp = adv7842_dummy_client(sd, "vdp", pdata->i2c_vdp, 0xfe);
3406 if (!state->i2c_avlink ||
3408 !state->i2c_infoframe ||
3409 !state->i2c_sdp_io ||
3412 !state->i2c_repeater ||
3422 static int adv7842_probe(struct i2c_client *client,
3423 const struct i2c_device_id *id)
3425 struct adv7842_state *state;
3426 static const struct v4l2_dv_timings cea640x480 =
3427 V4L2_DV_BT_CEA_640X480P59_94;
3428 struct adv7842_platform_data *pdata = client->dev.platform_data;
3429 struct v4l2_ctrl_handler *hdl;
3430 struct v4l2_ctrl *ctrl;
3431 struct v4l2_subdev *sd;
3435 /* Check if the adapter supports the needed features */
3436 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
3439 v4l_dbg(1, debug, client, "detecting adv7842 client on address 0x%x\n",
3443 v4l_err(client, "No platform data!\n");
3447 state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
3452 state->pdata = *pdata;
3453 state->timings = cea640x480;
3454 state->format = adv7842_format_info(state, MEDIA_BUS_FMT_YUYV8_2X8);
3457 v4l2_i2c_subdev_init(sd, client, &adv7842_ops);
3458 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
3459 sd->internal_ops = &adv7842_int_ops;
3460 state->mode = pdata->mode;
3462 state->hdmi_port_a = pdata->input == ADV7842_SELECT_HDMI_PORT_A;
3463 state->restart_stdi_once = true;
3465 /* i2c access to adv7842? */
3466 rev = adv_smbus_read_byte_data_check(client, 0xea, false) << 8 |
3467 adv_smbus_read_byte_data_check(client, 0xeb, false);
3468 if (rev != 0x2012) {
3469 v4l2_info(sd, "got rev=0x%04x on first read attempt\n", rev);
3470 rev = adv_smbus_read_byte_data_check(client, 0xea, false) << 8 |
3471 adv_smbus_read_byte_data_check(client, 0xeb, false);
3473 if (rev != 0x2012) {
3474 v4l2_info(sd, "not an adv7842 on address 0x%x (rev=0x%04x)\n",
3475 client->addr << 1, rev);
3479 if (pdata->chip_reset)
3482 /* control handlers */
3484 v4l2_ctrl_handler_init(hdl, 6);
3486 /* add in ascending ID order */
3487 v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops,
3488 V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
3489 v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops,
3490 V4L2_CID_CONTRAST, 0, 255, 1, 128);
3491 v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops,
3492 V4L2_CID_SATURATION, 0, 255, 1, 128);
3493 v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops,
3494 V4L2_CID_HUE, 0, 128, 1, 0);
3495 ctrl = v4l2_ctrl_new_std_menu(hdl, &adv7842_ctrl_ops,
3496 V4L2_CID_DV_RX_IT_CONTENT_TYPE, V4L2_DV_IT_CONTENT_TYPE_NO_ITC,
3497 0, V4L2_DV_IT_CONTENT_TYPE_NO_ITC);
3499 ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
3501 /* custom controls */
3502 state->detect_tx_5v_ctrl = v4l2_ctrl_new_std(hdl, NULL,
3503 V4L2_CID_DV_RX_POWER_PRESENT, 0, 3, 0, 0);
3504 state->analog_sampling_phase_ctrl = v4l2_ctrl_new_custom(hdl,
3505 &adv7842_ctrl_analog_sampling_phase, NULL);
3506 state->free_run_color_ctrl_manual = v4l2_ctrl_new_custom(hdl,
3507 &adv7842_ctrl_free_run_color_manual, NULL);
3508 state->free_run_color_ctrl = v4l2_ctrl_new_custom(hdl,
3509 &adv7842_ctrl_free_run_color, NULL);
3510 state->rgb_quantization_range_ctrl =
3511 v4l2_ctrl_new_std_menu(hdl, &adv7842_ctrl_ops,
3512 V4L2_CID_DV_RX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL,
3513 0, V4L2_DV_RGB_RANGE_AUTO);
3514 sd->ctrl_handler = hdl;
3519 if (adv7842_s_detect_tx_5v_ctrl(sd)) {
3524 if (adv7842_register_clients(sd) < 0) {
3526 v4l2_err(sd, "failed to create all i2c clients\n");
3531 INIT_DELAYED_WORK(&state->delayed_work_enable_hotplug,
3532 adv7842_delayed_work_enable_hotplug);
3534 sd->entity.function = MEDIA_ENT_F_DV_DECODER;
3535 state->pad.flags = MEDIA_PAD_FL_SOURCE;
3536 err = media_entity_pads_init(&sd->entity, 1, &state->pad);
3538 goto err_work_queues;
3540 err = adv7842_core_init(sd);
3544 #if IS_ENABLED(CONFIG_VIDEO_ADV7842_CEC)
3545 state->cec_adap = cec_allocate_adapter(&adv7842_cec_adap_ops,
3546 state, dev_name(&client->dev),
3547 CEC_CAP_DEFAULTS, ADV7842_MAX_ADDRS);
3548 err = PTR_ERR_OR_ZERO(state->cec_adap);
3553 v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
3554 client->addr << 1, client->adapter->name);
3558 media_entity_cleanup(&sd->entity);
3560 cancel_delayed_work(&state->delayed_work_enable_hotplug);
3562 adv7842_unregister_clients(sd);
3564 v4l2_ctrl_handler_free(hdl);
3568 /* ----------------------------------------------------------------------- */
3570 static int adv7842_remove(struct i2c_client *client)
3572 struct v4l2_subdev *sd = i2c_get_clientdata(client);
3573 struct adv7842_state *state = to_state(sd);
3575 adv7842_irq_enable(sd, false);
3576 cancel_delayed_work_sync(&state->delayed_work_enable_hotplug);
3577 v4l2_device_unregister_subdev(sd);
3578 media_entity_cleanup(&sd->entity);
3579 adv7842_unregister_clients(sd);
3580 v4l2_ctrl_handler_free(sd->ctrl_handler);
3584 /* ----------------------------------------------------------------------- */
3586 static const struct i2c_device_id adv7842_id[] = {
3590 MODULE_DEVICE_TABLE(i2c, adv7842_id);
3592 /* ----------------------------------------------------------------------- */
3594 static struct i2c_driver adv7842_driver = {
3598 .probe = adv7842_probe,
3599 .remove = adv7842_remove,
3600 .id_table = adv7842_id,
3603 module_i2c_driver(adv7842_driver);