]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - drivers/gpu/drm/bridge/adv7511/adv7511.h
Merge tag 'mmc-v4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / bridge / adv7511 / adv7511.h
CommitLineData
9c8af882
LPC
1/*
2 * Analog Devices ADV7511 HDMI transmitter driver
3 *
4 * Copyright 2012 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2.
7 */
8
9#ifndef __DRM_I2C_ADV7511_H__
10#define __DRM_I2C_ADV7511_H__
11
12#include <linux/hdmi.h>
2437e7cd
AT
13#include <linux/i2c.h>
14#include <linux/regmap.h>
5b06ba23 15#include <linux/regulator/consumer.h>
2437e7cd
AT
16
17#include <drm/drm_crtc_helper.h>
1e4d58cd 18#include <drm/drm_mipi_dsi.h>
9c8af882
LPC
19
20#define ADV7511_REG_CHIP_REVISION 0x00
21#define ADV7511_REG_N0 0x01
22#define ADV7511_REG_N1 0x02
23#define ADV7511_REG_N2 0x03
24#define ADV7511_REG_SPDIF_FREQ 0x04
25#define ADV7511_REG_CTS_AUTOMATIC1 0x05
26#define ADV7511_REG_CTS_AUTOMATIC2 0x06
27#define ADV7511_REG_CTS_MANUAL0 0x07
28#define ADV7511_REG_CTS_MANUAL1 0x08
29#define ADV7511_REG_CTS_MANUAL2 0x09
30#define ADV7511_REG_AUDIO_SOURCE 0x0a
31#define ADV7511_REG_AUDIO_CONFIG 0x0b
32#define ADV7511_REG_I2S_CONFIG 0x0c
33#define ADV7511_REG_I2S_WIDTH 0x0d
34#define ADV7511_REG_AUDIO_SUB_SRC0 0x0e
35#define ADV7511_REG_AUDIO_SUB_SRC1 0x0f
36#define ADV7511_REG_AUDIO_SUB_SRC2 0x10
37#define ADV7511_REG_AUDIO_SUB_SRC3 0x11
38#define ADV7511_REG_AUDIO_CFG1 0x12
39#define ADV7511_REG_AUDIO_CFG2 0x13
40#define ADV7511_REG_AUDIO_CFG3 0x14
41#define ADV7511_REG_I2C_FREQ_ID_CFG 0x15
42#define ADV7511_REG_VIDEO_INPUT_CFG1 0x16
43#define ADV7511_REG_CSC_UPPER(x) (0x18 + (x) * 2)
44#define ADV7511_REG_CSC_LOWER(x) (0x19 + (x) * 2)
45#define ADV7511_REG_SYNC_DECODER(x) (0x30 + (x))
46#define ADV7511_REG_DE_GENERATOR (0x35 + (x))
47#define ADV7511_REG_PIXEL_REPETITION 0x3b
48#define ADV7511_REG_VIC_MANUAL 0x3c
49#define ADV7511_REG_VIC_SEND 0x3d
50#define ADV7511_REG_VIC_DETECTED 0x3e
51#define ADV7511_REG_AUX_VIC_DETECTED 0x3f
52#define ADV7511_REG_PACKET_ENABLE0 0x40
53#define ADV7511_REG_POWER 0x41
54#define ADV7511_REG_STATUS 0x42
55#define ADV7511_REG_EDID_I2C_ADDR 0x43
56#define ADV7511_REG_PACKET_ENABLE1 0x44
57#define ADV7511_REG_PACKET_I2C_ADDR 0x45
58#define ADV7511_REG_DSD_ENABLE 0x46
59#define ADV7511_REG_VIDEO_INPUT_CFG2 0x48
60#define ADV7511_REG_INFOFRAME_UPDATE 0x4a
61#define ADV7511_REG_GC(x) (0x4b + (x)) /* 0x4b - 0x51 */
62#define ADV7511_REG_AVI_INFOFRAME_VERSION 0x52
63#define ADV7511_REG_AVI_INFOFRAME_LENGTH 0x53
64#define ADV7511_REG_AVI_INFOFRAME_CHECKSUM 0x54
65#define ADV7511_REG_AVI_INFOFRAME(x) (0x55 + (x)) /* 0x55 - 0x6f */
66#define ADV7511_REG_AUDIO_INFOFRAME_VERSION 0x70
67#define ADV7511_REG_AUDIO_INFOFRAME_LENGTH 0x71
68#define ADV7511_REG_AUDIO_INFOFRAME_CHECKSUM 0x72
69#define ADV7511_REG_AUDIO_INFOFRAME(x) (0x73 + (x)) /* 0x73 - 0x7c */
70#define ADV7511_REG_INT_ENABLE(x) (0x94 + (x))
71#define ADV7511_REG_INT(x) (0x96 + (x))
72#define ADV7511_REG_INPUT_CLK_DIV 0x9d
73#define ADV7511_REG_PLL_STATUS 0x9e
74#define ADV7511_REG_HDMI_POWER 0xa1
75#define ADV7511_REG_HDCP_HDMI_CFG 0xaf
76#define ADV7511_REG_AN(x) (0xb0 + (x)) /* 0xb0 - 0xb7 */
77#define ADV7511_REG_HDCP_STATUS 0xb8
78#define ADV7511_REG_BCAPS 0xbe
79#define ADV7511_REG_BKSV(x) (0xc0 + (x)) /* 0xc0 - 0xc3 */
80#define ADV7511_REG_EDID_SEGMENT 0xc4
81#define ADV7511_REG_DDC_STATUS 0xc8
82#define ADV7511_REG_EDID_READ_CTRL 0xc9
83#define ADV7511_REG_BSTATUS(x) (0xca + (x)) /* 0xca - 0xcb */
84#define ADV7511_REG_TIMING_GEN_SEQ 0xd0
85#define ADV7511_REG_POWER2 0xd6
86#define ADV7511_REG_HSYNC_PLACEMENT_MSB 0xfa
87
88#define ADV7511_REG_SYNC_ADJUSTMENT(x) (0xd7 + (x)) /* 0xd7 - 0xdc */
89#define ADV7511_REG_TMDS_CLOCK_INV 0xde
90#define ADV7511_REG_ARC_CTRL 0xdf
91#define ADV7511_REG_CEC_I2C_ADDR 0xe1
92#define ADV7511_REG_CEC_CTRL 0xe2
93#define ADV7511_REG_CHIP_ID_HIGH 0xf5
94#define ADV7511_REG_CHIP_ID_LOW 0xf6
95
96#define ADV7511_CSC_ENABLE BIT(7)
97#define ADV7511_CSC_UPDATE_MODE BIT(5)
98
29ce4ed4 99#define ADV7511_INT0_HPD BIT(7)
9c8af882
LPC
100#define ADV7511_INT0_VSYNC BIT(5)
101#define ADV7511_INT0_AUDIO_FIFO_FULL BIT(4)
102#define ADV7511_INT0_EDID_READY BIT(2)
103#define ADV7511_INT0_HDCP_AUTHENTICATED BIT(1)
104
105#define ADV7511_INT1_DDC_ERROR BIT(7)
106#define ADV7511_INT1_BKSV BIT(6)
107#define ADV7511_INT1_CEC_TX_READY BIT(5)
108#define ADV7511_INT1_CEC_TX_ARBIT_LOST BIT(4)
109#define ADV7511_INT1_CEC_TX_RETRY_TIMEOUT BIT(3)
110#define ADV7511_INT1_CEC_RX_READY3 BIT(2)
111#define ADV7511_INT1_CEC_RX_READY2 BIT(1)
112#define ADV7511_INT1_CEC_RX_READY1 BIT(0)
113
114#define ADV7511_ARC_CTRL_POWER_DOWN BIT(0)
115
116#define ADV7511_CEC_CTRL_POWER_DOWN BIT(0)
117
118#define ADV7511_POWER_POWER_DOWN BIT(6)
119
120#define ADV7511_HDMI_CFG_MODE_MASK 0x2
121#define ADV7511_HDMI_CFG_MODE_DVI 0x0
122#define ADV7511_HDMI_CFG_MODE_HDMI 0x2
123
124#define ADV7511_AUDIO_SELECT_I2C 0x0
125#define ADV7511_AUDIO_SELECT_SPDIF 0x1
126#define ADV7511_AUDIO_SELECT_DSD 0x2
127#define ADV7511_AUDIO_SELECT_HBR 0x3
128#define ADV7511_AUDIO_SELECT_DST 0x4
129
130#define ADV7511_I2S_SAMPLE_LEN_16 0x2
131#define ADV7511_I2S_SAMPLE_LEN_20 0x3
132#define ADV7511_I2S_SAMPLE_LEN_18 0x4
133#define ADV7511_I2S_SAMPLE_LEN_22 0x5
134#define ADV7511_I2S_SAMPLE_LEN_19 0x8
135#define ADV7511_I2S_SAMPLE_LEN_23 0x9
136#define ADV7511_I2S_SAMPLE_LEN_24 0xb
137#define ADV7511_I2S_SAMPLE_LEN_17 0xc
138#define ADV7511_I2S_SAMPLE_LEN_21 0xd
139
140#define ADV7511_SAMPLE_FREQ_44100 0x0
141#define ADV7511_SAMPLE_FREQ_48000 0x2
142#define ADV7511_SAMPLE_FREQ_32000 0x3
143#define ADV7511_SAMPLE_FREQ_88200 0x8
144#define ADV7511_SAMPLE_FREQ_96000 0xa
145#define ADV7511_SAMPLE_FREQ_176400 0xc
146#define ADV7511_SAMPLE_FREQ_192000 0xe
147
148#define ADV7511_STATUS_POWER_DOWN_POLARITY BIT(7)
149#define ADV7511_STATUS_HPD BIT(6)
150#define ADV7511_STATUS_MONITOR_SENSE BIT(5)
151#define ADV7511_STATUS_I2S_32BIT_MODE BIT(3)
152
153#define ADV7511_PACKET_ENABLE_N_CTS BIT(8+6)
154#define ADV7511_PACKET_ENABLE_AUDIO_SAMPLE BIT(8+5)
155#define ADV7511_PACKET_ENABLE_AVI_INFOFRAME BIT(8+4)
156#define ADV7511_PACKET_ENABLE_AUDIO_INFOFRAME BIT(8+3)
157#define ADV7511_PACKET_ENABLE_GC BIT(7)
158#define ADV7511_PACKET_ENABLE_SPD BIT(6)
159#define ADV7511_PACKET_ENABLE_MPEG BIT(5)
160#define ADV7511_PACKET_ENABLE_ACP BIT(4)
161#define ADV7511_PACKET_ENABLE_ISRC BIT(3)
162#define ADV7511_PACKET_ENABLE_GM BIT(2)
163#define ADV7511_PACKET_ENABLE_SPARE2 BIT(1)
164#define ADV7511_PACKET_ENABLE_SPARE1 BIT(0)
165
29ce4ed4
WS
166#define ADV7511_REG_POWER2_HPD_SRC_MASK 0xc0
167#define ADV7511_REG_POWER2_HPD_SRC_BOTH 0x00
168#define ADV7511_REG_POWER2_HPD_SRC_HPD 0x40
169#define ADV7511_REG_POWER2_HPD_SRC_CEC 0x80
170#define ADV7511_REG_POWER2_HPD_SRC_NONE 0xc0
9c8af882
LPC
171#define ADV7511_REG_POWER2_TDMS_ENABLE BIT(4)
172#define ADV7511_REG_POWER2_GATE_INPUT_CLK BIT(0)
173
174#define ADV7511_LOW_REFRESH_RATE_NONE 0x0
175#define ADV7511_LOW_REFRESH_RATE_24HZ 0x1
176#define ADV7511_LOW_REFRESH_RATE_25HZ 0x2
177#define ADV7511_LOW_REFRESH_RATE_30HZ 0x3
178
179#define ADV7511_AUDIO_CFG3_LEN_MASK 0x0f
180#define ADV7511_I2C_FREQ_ID_CFG_RATE_MASK 0xf0
181
182#define ADV7511_AUDIO_SOURCE_I2S 0
183#define ADV7511_AUDIO_SOURCE_SPDIF 1
184
185#define ADV7511_I2S_FORMAT_I2S 0
186#define ADV7511_I2S_FORMAT_RIGHT_J 1
187#define ADV7511_I2S_FORMAT_LEFT_J 2
188
189#define ADV7511_PACKET(p, x) ((p) * 0x20 + (x))
190#define ADV7511_PACKET_SDP(x) ADV7511_PACKET(0, x)
191#define ADV7511_PACKET_MPEG(x) ADV7511_PACKET(1, x)
192#define ADV7511_PACKET_ACP(x) ADV7511_PACKET(2, x)
193#define ADV7511_PACKET_ISRC1(x) ADV7511_PACKET(3, x)
194#define ADV7511_PACKET_ISRC2(x) ADV7511_PACKET(4, x)
195#define ADV7511_PACKET_GM(x) ADV7511_PACKET(5, x)
196#define ADV7511_PACKET_SPARE(x) ADV7511_PACKET(6, x)
197
3b1b9750
HV
198#define ADV7511_REG_CEC_TX_FRAME_HDR 0x00
199#define ADV7511_REG_CEC_TX_FRAME_DATA0 0x01
200#define ADV7511_REG_CEC_TX_FRAME_LEN 0x10
201#define ADV7511_REG_CEC_TX_ENABLE 0x11
202#define ADV7511_REG_CEC_TX_RETRY 0x12
203#define ADV7511_REG_CEC_TX_LOW_DRV_CNT 0x14
204#define ADV7511_REG_CEC_RX_FRAME_HDR 0x15
205#define ADV7511_REG_CEC_RX_FRAME_DATA0 0x16
206#define ADV7511_REG_CEC_RX_FRAME_LEN 0x25
207#define ADV7511_REG_CEC_RX_ENABLE 0x26
208#define ADV7511_REG_CEC_RX_BUFFERS 0x4a
209#define ADV7511_REG_CEC_LOG_ADDR_MASK 0x4b
210#define ADV7511_REG_CEC_LOG_ADDR_0_1 0x4c
211#define ADV7511_REG_CEC_LOG_ADDR_2 0x4d
212#define ADV7511_REG_CEC_CLK_DIV 0x4e
213#define ADV7511_REG_CEC_SOFT_RESET 0x50
214
215#define ADV7533_REG_CEC_OFFSET 0x70
216
9c8af882
LPC
217enum adv7511_input_clock {
218 ADV7511_INPUT_CLOCK_1X,
219 ADV7511_INPUT_CLOCK_2X,
220 ADV7511_INPUT_CLOCK_DDR,
221};
222
223enum adv7511_input_justification {
224 ADV7511_INPUT_JUSTIFICATION_EVENLY = 0,
225 ADV7511_INPUT_JUSTIFICATION_RIGHT = 1,
226 ADV7511_INPUT_JUSTIFICATION_LEFT = 2,
227};
228
229enum adv7511_input_sync_pulse {
230 ADV7511_INPUT_SYNC_PULSE_DE = 0,
231 ADV7511_INPUT_SYNC_PULSE_HSYNC = 1,
232 ADV7511_INPUT_SYNC_PULSE_VSYNC = 2,
233 ADV7511_INPUT_SYNC_PULSE_NONE = 3,
234};
235
236/**
237 * enum adv7511_sync_polarity - Polarity for the input sync signals
238 * @ADV7511_SYNC_POLARITY_PASSTHROUGH: Sync polarity matches that of
239 * the currently configured mode.
240 * @ADV7511_SYNC_POLARITY_LOW: Sync polarity is low
241 * @ADV7511_SYNC_POLARITY_HIGH: Sync polarity is high
242 *
243 * If the polarity is set to either LOW or HIGH the driver will configure the
244 * ADV7511 to internally invert the sync signal if required to match the sync
245 * polarity setting for the currently selected output mode.
246 *
247 * If the polarity is set to PASSTHROUGH, the ADV7511 will route the signal
248 * unchanged. This is used when the upstream graphics core already generates
249 * the sync signals with the correct polarity.
250 */
251enum adv7511_sync_polarity {
252 ADV7511_SYNC_POLARITY_PASSTHROUGH,
253 ADV7511_SYNC_POLARITY_LOW,
254 ADV7511_SYNC_POLARITY_HIGH,
255};
256
257/**
258 * struct adv7511_link_config - Describes adv7511 hardware configuration
259 * @input_color_depth: Number of bits per color component (8, 10 or 12)
260 * @input_colorspace: The input colorspace (RGB, YUV444, YUV422)
261 * @input_clock: The input video clock style (1x, 2x, DDR)
262 * @input_style: The input component arrangement variant
263 * @input_justification: Video input format bit justification
264 * @clock_delay: Clock delay for the input clock (in ps)
265 * @embedded_sync: Video input uses BT.656-style embedded sync
266 * @sync_pulse: Select the sync pulse
267 * @vsync_polarity: vsync input signal configuration
268 * @hsync_polarity: hsync input signal configuration
269 */
270struct adv7511_link_config {
271 unsigned int input_color_depth;
272 enum hdmi_colorspace input_colorspace;
273 enum adv7511_input_clock input_clock;
274 unsigned int input_style;
275 enum adv7511_input_justification input_justification;
276
277 int clock_delay;
278
279 bool embedded_sync;
280 enum adv7511_input_sync_pulse sync_pulse;
281 enum adv7511_sync_polarity vsync_polarity;
282 enum adv7511_sync_polarity hsync_polarity;
283};
284
285/**
286 * enum adv7511_csc_scaling - Scaling factor for the ADV7511 CSC
287 * @ADV7511_CSC_SCALING_1: CSC results are not scaled
288 * @ADV7511_CSC_SCALING_2: CSC results are scaled by a factor of two
289 * @ADV7511_CSC_SCALING_4: CSC results are scalled by a factor of four
290 */
291enum adv7511_csc_scaling {
292 ADV7511_CSC_SCALING_1 = 0,
293 ADV7511_CSC_SCALING_2 = 1,
294 ADV7511_CSC_SCALING_4 = 2,
295};
296
297/**
298 * struct adv7511_video_config - Describes adv7511 hardware configuration
299 * @csc_enable: Whether to enable color space conversion
300 * @csc_scaling_factor: Color space conversion scaling factor
301 * @csc_coefficents: Color space conversion coefficents
302 * @hdmi_mode: Whether to use HDMI or DVI output mode
303 * @avi_infoframe: HDMI infoframe
304 */
305struct adv7511_video_config {
306 bool csc_enable;
307 enum adv7511_csc_scaling csc_scaling_factor;
308 const uint16_t *csc_coefficents;
309
310 bool hdmi_mode;
311 struct hdmi_avi_infoframe avi_infoframe;
312};
313
2437e7cd
AT
314enum adv7511_type {
315 ADV7511,
316 ADV7533,
317};
318
3b1b9750
HV
319#define ADV7511_MAX_ADDRS 3
320
2437e7cd
AT
321struct adv7511 {
322 struct i2c_client *i2c_main;
323 struct i2c_client *i2c_edid;
324 struct i2c_client *i2c_cec;
325
326 struct regmap *regmap;
327 struct regmap *regmap_cec;
328 enum drm_connector_status status;
329 bool powered;
330
78fa479d
AT
331 struct drm_display_mode curr_mode;
332
2437e7cd 333 unsigned int f_tmds;
53c515be
JS
334 unsigned int f_audio;
335 unsigned int audio_source;
2437e7cd
AT
336
337 unsigned int current_edid_segment;
338 uint8_t edid_buf[256];
339 bool edid_read;
340
341 wait_queue_head_t wq;
518cb705
JS
342 struct work_struct hpd_work;
343
2437e7cd
AT
344 struct drm_bridge bridge;
345 struct drm_connector connector;
346
347 bool embedded_sync;
348 enum adv7511_sync_polarity vsync_polarity;
349 enum adv7511_sync_polarity hsync_polarity;
350 bool rgb;
351
2437e7cd
AT
352 struct gpio_desc *gpio_pd;
353
5b06ba23
AT
354 struct regulator_bulk_data *supplies;
355 unsigned int num_supplies;
356
1e4d58cd
AT
357 /* ADV7533 DSI RX related params */
358 struct device_node *host_node;
359 struct mipi_dsi_device *dsi;
360 u8 num_dsi_lanes;
78fa479d 361 bool use_timing_gen;
1e4d58cd 362
2437e7cd 363 enum adv7511_type type;
53c515be 364 struct platform_device *audio_pdev;
3b1b9750
HV
365
366 struct cec_adapter *cec_adap;
367 u8 cec_addr[ADV7511_MAX_ADDRS];
368 u8 cec_valid_addrs;
369 bool cec_enabled_adap;
370 struct clk *cec_clk;
371 u32 cec_clk_freq;
2437e7cd
AT
372};
373
3b1b9750 374#ifdef CONFIG_DRM_I2C_ADV7511_CEC
1b6fba45 375int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511);
3b1b9750 376void adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1);
1b6fba45
HV
377#else
378static inline int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511)
379{
380 unsigned int offset = adv7511->type == ADV7533 ?
381 ADV7533_REG_CEC_OFFSET : 0;
382
383 regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset,
384 ADV7511_CEC_CTRL_POWER_DOWN);
385 return 0;
386}
3b1b9750
HV
387#endif
388
2437e7cd
AT
389#ifdef CONFIG_DRM_I2C_ADV7533
390void adv7533_dsi_power_on(struct adv7511 *adv);
391void adv7533_dsi_power_off(struct adv7511 *adv);
62b2f026 392void adv7533_mode_set(struct adv7511 *adv, struct drm_display_mode *mode);
2437e7cd 393int adv7533_patch_registers(struct adv7511 *adv);
3b1b9750 394int adv7533_patch_cec_registers(struct adv7511 *adv);
1e4d58cd
AT
395int adv7533_attach_dsi(struct adv7511 *adv);
396void adv7533_detach_dsi(struct adv7511 *adv);
397int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv);
2437e7cd
AT
398#else
399static inline void adv7533_dsi_power_on(struct adv7511 *adv)
400{
401}
402
403static inline void adv7533_dsi_power_off(struct adv7511 *adv)
404{
405}
406
62b2f026
AT
407static inline void adv7533_mode_set(struct adv7511 *adv,
408 struct drm_display_mode *mode)
409{
410}
411
2437e7cd
AT
412static inline int adv7533_patch_registers(struct adv7511 *adv)
413{
414 return -ENODEV;
415}
416
3b1b9750 417static inline int adv7533_patch_cec_registers(struct adv7511 *adv)
2437e7cd
AT
418{
419 return -ENODEV;
420}
1e4d58cd
AT
421
422static inline int adv7533_attach_dsi(struct adv7511 *adv)
423{
424 return -ENODEV;
425}
426
427static inline void adv7533_detach_dsi(struct adv7511 *adv)
428{
429}
430
431static inline int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv)
432{
433 return -ENODEV;
434}
2437e7cd
AT
435#endif
436
53c515be
JS
437#ifdef CONFIG_DRM_I2C_ADV7511_AUDIO
438int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511);
439void adv7511_audio_exit(struct adv7511 *adv7511);
440#else /*CONFIG_DRM_I2C_ADV7511_AUDIO */
441static inline int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511)
442{
443 return 0;
444}
445static inline void adv7511_audio_exit(struct adv7511 *adv7511)
446{
447}
448#endif /* CONFIG_DRM_I2C_ADV7511_AUDIO */
449
9c8af882 450#endif /* __DRM_I2C_ADV7511_H__ */