2 * Copyright (C) 2011 Samsung Electronics Co.Ltd
8 * Based on drivers/media/video/s5p-tv/hdmi_drv.c
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
18 #include <drm/drm_edid.h>
19 #include <drm/drm_crtc_helper.h>
20 #include <drm/drm_atomic_helper.h>
22 #include "regs-hdmi.h"
24 #include <linux/kernel.h>
25 #include <linux/wait.h>
26 #include <linux/i2c.h>
27 #include <linux/platform_device.h>
28 #include <linux/interrupt.h>
29 #include <linux/irq.h>
30 #include <linux/delay.h>
31 #include <linux/pm_runtime.h>
32 #include <linux/clk.h>
33 #include <linux/gpio/consumer.h>
34 #include <linux/regulator/consumer.h>
36 #include <linux/of_address.h>
37 #include <linux/of_device.h>
38 #include <linux/of_graph.h>
39 #include <linux/hdmi.h>
40 #include <linux/component.h>
41 #include <linux/mfd/syscon.h>
42 #include <linux/regmap.h>
43 #include <sound/hdmi-codec.h>
44 #include <drm/exynos_drm.h>
46 #include <media/cec-notifier.h>
48 #include "exynos_drm_crtc.h"
50 #define HOTPLUG_DEBOUNCE_MS 1100
58 #define HDMI_MAPPED_BASE 0xffff0000
60 enum hdmi_mapped_regs {
61 HDMI_PHY_STATUS = HDMI_MAPPED_BASE,
69 static const u32 hdmi_reg_map[][HDMI_TYPE_COUNT] = {
70 { HDMI_V13_PHY_STATUS, HDMI_PHY_STATUS_0 },
71 { HDMI_V13_PHY_RSTOUT, HDMI_V14_PHY_RSTOUT },
72 { HDMI_V13_ACR_CON, HDMI_V14_ACR_CON },
73 { HDMI_V13_ACR_MCTS0, HDMI_V14_ACR_MCTS0 },
74 { HDMI_V13_ACR_CTS0, HDMI_V14_ACR_CTS0 },
75 { HDMI_V13_ACR_N0, HDMI_V14_ACR_N0 },
78 static const char * const supply[] = {
84 struct hdmiphy_config {
89 struct hdmiphy_configs {
91 const struct hdmiphy_config *data;
94 struct string_array_spec {
96 const char * const *data;
99 #define INIT_ARRAY_SPEC(a) { .count = ARRAY_SIZE(a), .data = a }
101 struct hdmi_driver_data {
103 unsigned int is_apb_phy:1;
104 unsigned int has_sysreg:1;
105 struct hdmiphy_configs phy_confs;
106 struct string_array_spec clk_gates;
108 * Array of triplets (p_off, p_on, clock), where p_off and p_on are
109 * required parents of clock when HDMI-PHY is respectively off or on.
111 struct string_array_spec clk_muxes;
115 struct platform_device *pdev;
116 struct hdmi_audio_infoframe infoframe;
117 struct hdmi_codec_params params;
121 struct hdmi_context {
122 struct drm_encoder encoder;
124 struct drm_device *drm_dev;
125 struct drm_connector connector;
127 struct delayed_work hotplug_work;
128 struct cec_notifier *notifier;
129 const struct hdmi_driver_data *drv_data;
132 void __iomem *regs_hdmiphy;
133 struct i2c_client *hdmiphy_port;
134 struct i2c_adapter *ddc_adpt;
135 struct gpio_desc *hpd_gpio;
137 struct regmap *pmureg;
138 struct regmap *sysreg;
139 struct clk **clk_gates;
140 struct clk **clk_muxes;
141 struct regulator_bulk_data regul_bulk[ARRAY_SIZE(supply)];
142 struct regulator *reg_hdmi_en;
143 struct exynos_drm_clk phy_clk;
144 struct drm_bridge *bridge;
146 /* mutex protecting subsequent fields below */
148 struct hdmi_audio audio;
152 static inline struct hdmi_context *encoder_to_hdmi(struct drm_encoder *e)
154 return container_of(e, struct hdmi_context, encoder);
157 static inline struct hdmi_context *connector_to_hdmi(struct drm_connector *c)
159 return container_of(c, struct hdmi_context, connector);
162 static const struct hdmiphy_config hdmiphy_v13_configs[] = {
164 .pixel_clock = 27000000,
166 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
167 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
168 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
169 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
173 .pixel_clock = 27027000,
175 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
176 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
177 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
178 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
182 .pixel_clock = 74176000,
184 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B,
185 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9,
186 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
187 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x80,
191 .pixel_clock = 74250000,
193 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40,
194 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba,
195 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0,
196 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x80,
200 .pixel_clock = 148500000,
202 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40,
203 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba,
204 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
205 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x80,
210 static const struct hdmiphy_config hdmiphy_v14_configs[] = {
212 .pixel_clock = 25200000,
214 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08,
215 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80,
216 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
217 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
221 .pixel_clock = 27000000,
223 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20,
224 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80,
225 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
226 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
230 .pixel_clock = 27027000,
232 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08,
233 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
234 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
235 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
239 .pixel_clock = 36000000,
241 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08,
242 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
243 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
244 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
248 .pixel_clock = 40000000,
250 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08,
251 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80,
252 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
253 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
257 .pixel_clock = 65000000,
259 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08,
260 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80,
261 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
262 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
266 .pixel_clock = 71000000,
268 0x01, 0xd1, 0x3b, 0x35, 0x40, 0x0c, 0x04, 0x08,
269 0x85, 0xa0, 0x63, 0xd9, 0x45, 0xa0, 0xac, 0x80,
270 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
271 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
275 .pixel_clock = 73250000,
277 0x01, 0xd1, 0x3d, 0x35, 0x40, 0x18, 0x02, 0x08,
278 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
279 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
280 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
284 .pixel_clock = 74176000,
286 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08,
287 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80,
288 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
289 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
293 .pixel_clock = 74250000,
295 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08,
296 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
297 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
298 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
302 .pixel_clock = 83500000,
304 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08,
305 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80,
306 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
307 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
311 .pixel_clock = 85500000,
313 0x01, 0xd1, 0x24, 0x11, 0x40, 0x40, 0xd0, 0x08,
314 0x84, 0xa0, 0xd6, 0xd8, 0x45, 0xa0, 0xac, 0x80,
315 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
316 0x54, 0x90, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
320 .pixel_clock = 106500000,
322 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08,
323 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
324 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
325 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
329 .pixel_clock = 108000000,
331 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08,
332 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
333 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
334 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
338 .pixel_clock = 115500000,
340 0x01, 0xd1, 0x30, 0x12, 0x40, 0x40, 0x10, 0x08,
341 0x80, 0x80, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80,
342 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
343 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
347 .pixel_clock = 119000000,
349 0x01, 0xd1, 0x32, 0x1a, 0x40, 0x30, 0xd8, 0x08,
350 0x04, 0xa0, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
351 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
352 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
356 .pixel_clock = 146250000,
358 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08,
359 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
360 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
361 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
365 .pixel_clock = 148500000,
367 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08,
368 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
369 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
370 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
375 static const struct hdmiphy_config hdmiphy_5420_configs[] = {
377 .pixel_clock = 25200000,
379 0x01, 0x52, 0x3F, 0x55, 0x40, 0x01, 0x00, 0xC8,
380 0x82, 0xC8, 0xBD, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
381 0x06, 0x80, 0x01, 0x84, 0x05, 0x02, 0x24, 0x66,
382 0x54, 0xF4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
386 .pixel_clock = 27000000,
388 0x01, 0xD1, 0x22, 0x51, 0x40, 0x08, 0xFC, 0xE0,
389 0x98, 0xE8, 0xCB, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
390 0x06, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
391 0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
395 .pixel_clock = 27027000,
397 0x01, 0xD1, 0x2D, 0x72, 0x40, 0x64, 0x12, 0xC8,
398 0x43, 0xE8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
399 0x26, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
400 0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
404 .pixel_clock = 36000000,
406 0x01, 0x51, 0x2D, 0x55, 0x40, 0x40, 0x00, 0xC8,
407 0x02, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
408 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
409 0x54, 0xAB, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
413 .pixel_clock = 40000000,
415 0x01, 0xD1, 0x21, 0x31, 0x40, 0x3C, 0x28, 0xC8,
416 0x87, 0xE8, 0xC8, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
417 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
418 0x54, 0x9A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
422 .pixel_clock = 65000000,
424 0x01, 0xD1, 0x36, 0x34, 0x40, 0x0C, 0x04, 0xC8,
425 0x82, 0xE8, 0x45, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
426 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
427 0x54, 0xBD, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
431 .pixel_clock = 71000000,
433 0x01, 0xD1, 0x3B, 0x35, 0x40, 0x0C, 0x04, 0xC8,
434 0x85, 0xE8, 0x63, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
435 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
436 0x54, 0x57, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
440 .pixel_clock = 73250000,
442 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x78, 0x8D, 0xC8,
443 0x81, 0xE8, 0xB7, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
444 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
445 0x54, 0xA8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
449 .pixel_clock = 74176000,
451 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0xC8,
452 0x81, 0xE8, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
453 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
454 0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
458 .pixel_clock = 74250000,
460 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08,
461 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
462 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
463 0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
467 .pixel_clock = 83500000,
469 0x01, 0xD1, 0x23, 0x11, 0x40, 0x0C, 0xFB, 0xC8,
470 0x85, 0xE8, 0xD1, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
471 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
472 0x54, 0x4A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
476 .pixel_clock = 88750000,
478 0x01, 0xD1, 0x25, 0x11, 0x40, 0x18, 0xFF, 0xC8,
479 0x83, 0xE8, 0xDE, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
480 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
481 0x54, 0x45, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
485 .pixel_clock = 106500000,
487 0x01, 0xD1, 0x2C, 0x12, 0x40, 0x0C, 0x09, 0xC8,
488 0x84, 0xE8, 0x0A, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
489 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
490 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
494 .pixel_clock = 108000000,
496 0x01, 0x51, 0x2D, 0x15, 0x40, 0x01, 0x00, 0xC8,
497 0x82, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
498 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
499 0x54, 0xC7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
503 .pixel_clock = 115500000,
505 0x01, 0xD1, 0x30, 0x14, 0x40, 0x0C, 0x03, 0xC8,
506 0x88, 0xE8, 0x21, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
507 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
508 0x54, 0x6A, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
512 .pixel_clock = 146250000,
514 0x01, 0xD1, 0x3D, 0x15, 0x40, 0x18, 0xFD, 0xC8,
515 0x83, 0xE8, 0x6E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
516 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
517 0x54, 0x54, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
521 .pixel_clock = 148500000,
523 0x01, 0xD1, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08,
524 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
525 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
526 0x54, 0x4B, 0x25, 0x03, 0x00, 0x80, 0x01, 0x80,
531 static const struct hdmiphy_config hdmiphy_5433_configs[] = {
533 .pixel_clock = 27000000,
535 0x01, 0x51, 0x2d, 0x75, 0x01, 0x00, 0x88, 0x02,
536 0x72, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac,
537 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
538 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
542 .pixel_clock = 27027000,
544 0x01, 0x51, 0x2d, 0x72, 0x64, 0x09, 0x88, 0xc3,
545 0x71, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac,
546 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
547 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
551 .pixel_clock = 40000000,
553 0x01, 0x51, 0x32, 0x55, 0x01, 0x00, 0x88, 0x02,
554 0x4d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
555 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
556 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
560 .pixel_clock = 50000000,
562 0x01, 0x51, 0x34, 0x40, 0x64, 0x09, 0x88, 0xc3,
563 0x3d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
564 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
565 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
569 .pixel_clock = 65000000,
571 0x01, 0x51, 0x36, 0x31, 0x40, 0x10, 0x04, 0xc6,
572 0x2e, 0xe8, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
573 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
574 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
578 .pixel_clock = 74176000,
580 0x01, 0x51, 0x3E, 0x35, 0x5B, 0xDE, 0x88, 0x42,
581 0x53, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
582 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
583 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
587 .pixel_clock = 74250000,
589 0x01, 0x51, 0x3E, 0x35, 0x40, 0xF0, 0x88, 0xC2,
590 0x52, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
591 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
592 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
596 .pixel_clock = 108000000,
598 0x01, 0x51, 0x2d, 0x15, 0x01, 0x00, 0x88, 0x02,
599 0x72, 0x52, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
600 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
601 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
605 .pixel_clock = 148500000,
607 0x01, 0x51, 0x1f, 0x00, 0x40, 0xf8, 0x88, 0xc1,
608 0x52, 0x52, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5,
609 0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
610 0x08, 0x10, 0x01, 0x01, 0x48, 0x4a, 0x00, 0x40,
614 .pixel_clock = 297000000,
616 0x01, 0x51, 0x3E, 0x05, 0x40, 0xF0, 0x88, 0xC2,
617 0x52, 0x53, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
618 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
619 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
624 static const char * const hdmi_clk_gates4[] = {
628 static const char * const hdmi_clk_muxes4[] = {
629 "sclk_pixel", "sclk_hdmiphy", "mout_hdmi"
632 static const char * const hdmi_clk_gates5433[] = {
633 "hdmi_pclk", "hdmi_i_pclk", "i_tmds_clk", "i_pixel_clk", "i_spdif_clk"
636 static const char * const hdmi_clk_muxes5433[] = {
637 "oscclk", "tmds_clko", "tmds_clko_user",
638 "oscclk", "pixel_clko", "pixel_clko_user"
641 static const struct hdmi_driver_data exynos4210_hdmi_driver_data = {
643 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v13_configs),
644 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
645 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
648 static const struct hdmi_driver_data exynos4212_hdmi_driver_data = {
650 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v14_configs),
651 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
652 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
655 static const struct hdmi_driver_data exynos5420_hdmi_driver_data = {
658 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5420_configs),
659 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
660 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
663 static const struct hdmi_driver_data exynos5433_hdmi_driver_data = {
667 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5433_configs),
668 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates5433),
669 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes5433),
672 static inline u32 hdmi_map_reg(struct hdmi_context *hdata, u32 reg_id)
674 if ((reg_id & 0xffff0000) == HDMI_MAPPED_BASE)
675 return hdmi_reg_map[reg_id & 0xffff][hdata->drv_data->type];
679 static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id)
681 return readl(hdata->regs + hdmi_map_reg(hdata, reg_id));
684 static inline void hdmi_reg_writeb(struct hdmi_context *hdata,
685 u32 reg_id, u8 value)
687 writel(value, hdata->regs + hdmi_map_reg(hdata, reg_id));
690 static inline void hdmi_reg_writev(struct hdmi_context *hdata, u32 reg_id,
693 reg_id = hdmi_map_reg(hdata, reg_id);
695 while (--bytes >= 0) {
696 writel(val & 0xff, hdata->regs + reg_id);
702 static inline void hdmi_reg_write_buf(struct hdmi_context *hdata, u32 reg_id,
705 for (reg_id = hdmi_map_reg(hdata, reg_id); size; --size, reg_id += 4)
706 writel(*buf++, hdata->regs + reg_id);
709 static inline void hdmi_reg_writemask(struct hdmi_context *hdata,
710 u32 reg_id, u32 value, u32 mask)
714 reg_id = hdmi_map_reg(hdata, reg_id);
715 old = readl(hdata->regs + reg_id);
716 value = (value & mask) | (old & ~mask);
717 writel(value, hdata->regs + reg_id);
720 static int hdmiphy_reg_write_buf(struct hdmi_context *hdata,
721 u32 reg_offset, const u8 *buf, u32 len)
723 if ((reg_offset + len) > 32)
726 if (hdata->hdmiphy_port) {
729 ret = i2c_master_send(hdata->hdmiphy_port, buf, len);
735 for (i = 0; i < len; i++)
736 writel(buf[i], hdata->regs_hdmiphy +
737 ((reg_offset + i)<<2));
742 static int hdmi_clk_enable_gates(struct hdmi_context *hdata)
746 for (i = 0; i < hdata->drv_data->clk_gates.count; ++i) {
747 ret = clk_prepare_enable(hdata->clk_gates[i]);
751 dev_err(hdata->dev, "Cannot enable clock '%s', %d\n",
752 hdata->drv_data->clk_gates.data[i], ret);
754 clk_disable_unprepare(hdata->clk_gates[i]);
761 static void hdmi_clk_disable_gates(struct hdmi_context *hdata)
763 int i = hdata->drv_data->clk_gates.count;
766 clk_disable_unprepare(hdata->clk_gates[i]);
769 static int hdmi_clk_set_parents(struct hdmi_context *hdata, bool to_phy)
771 struct device *dev = hdata->dev;
775 for (i = 0; i < hdata->drv_data->clk_muxes.count; i += 3) {
776 struct clk **c = &hdata->clk_muxes[i];
778 ret = clk_set_parent(c[2], c[to_phy]);
782 dev_err(dev, "Cannot set clock parent of '%s' to '%s', %d\n",
783 hdata->drv_data->clk_muxes.data[i + 2],
784 hdata->drv_data->clk_muxes.data[i + to_phy], ret);
790 static int hdmi_audio_infoframe_apply(struct hdmi_context *hdata)
792 struct hdmi_audio_infoframe *infoframe = &hdata->audio.infoframe;
793 u8 buf[HDMI_INFOFRAME_SIZE(AUDIO)];
796 len = hdmi_audio_infoframe_pack(infoframe, buf, sizeof(buf));
800 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_EVERY_VSYNC);
801 hdmi_reg_write_buf(hdata, HDMI_AUI_HEADER0, buf, len);
806 static void hdmi_reg_infoframes(struct hdmi_context *hdata)
808 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
809 union hdmi_infoframe frm;
813 if (hdata->dvi_mode) {
814 hdmi_reg_writeb(hdata, HDMI_AVI_CON,
815 HDMI_AVI_CON_DO_NOT_TRANSMIT);
816 hdmi_reg_writeb(hdata, HDMI_VSI_CON,
817 HDMI_VSI_CON_DO_NOT_TRANSMIT);
818 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN);
822 ret = drm_hdmi_avi_infoframe_from_display_mode(&frm.avi, m, false);
824 ret = hdmi_avi_infoframe_pack(&frm.avi, buf, sizeof(buf));
826 hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC);
827 hdmi_reg_write_buf(hdata, HDMI_AVI_HEADER0, buf, ret);
829 DRM_INFO("%s: invalid AVI infoframe (%d)\n", __func__, ret);
832 ret = drm_hdmi_vendor_infoframe_from_display_mode(&frm.vendor.hdmi, m);
834 ret = hdmi_vendor_infoframe_pack(&frm.vendor.hdmi, buf,
837 hdmi_reg_writeb(hdata, HDMI_VSI_CON, HDMI_VSI_CON_EVERY_VSYNC);
838 hdmi_reg_write_buf(hdata, HDMI_VSI_HEADER0, buf, 3);
839 hdmi_reg_write_buf(hdata, HDMI_VSI_DATA(0), buf + 3, ret - 3);
842 hdmi_audio_infoframe_apply(hdata);
845 static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
848 struct hdmi_context *hdata = connector_to_hdmi(connector);
850 if (gpiod_get_value(hdata->hpd_gpio))
851 return connector_status_connected;
853 cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
854 return connector_status_disconnected;
857 static void hdmi_connector_destroy(struct drm_connector *connector)
859 drm_connector_unregister(connector);
860 drm_connector_cleanup(connector);
863 static const struct drm_connector_funcs hdmi_connector_funcs = {
864 .fill_modes = drm_helper_probe_single_connector_modes,
865 .detect = hdmi_detect,
866 .destroy = hdmi_connector_destroy,
867 .reset = drm_atomic_helper_connector_reset,
868 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
869 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
872 static int hdmi_get_modes(struct drm_connector *connector)
874 struct hdmi_context *hdata = connector_to_hdmi(connector);
878 if (!hdata->ddc_adpt)
881 edid = drm_get_edid(connector, hdata->ddc_adpt);
885 hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
886 DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
887 (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
888 edid->width_cm, edid->height_cm);
890 drm_mode_connector_update_edid_property(connector, edid);
891 cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid);
893 ret = drm_add_edid_modes(connector, edid);
900 static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
902 const struct hdmiphy_configs *confs = &hdata->drv_data->phy_confs;
905 for (i = 0; i < confs->count; i++)
906 if (confs->data[i].pixel_clock == pixel_clock)
909 DRM_DEBUG_KMS("Could not find phy config for %d\n", pixel_clock);
913 static int hdmi_mode_valid(struct drm_connector *connector,
914 struct drm_display_mode *mode)
916 struct hdmi_context *hdata = connector_to_hdmi(connector);
919 DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
920 mode->hdisplay, mode->vdisplay, mode->vrefresh,
921 (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
922 false, mode->clock * 1000);
924 ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
931 static const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
932 .get_modes = hdmi_get_modes,
933 .mode_valid = hdmi_mode_valid,
936 static int hdmi_create_connector(struct drm_encoder *encoder)
938 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
939 struct drm_connector *connector = &hdata->connector;
942 connector->interlace_allowed = true;
943 connector->polled = DRM_CONNECTOR_POLL_HPD;
945 ret = drm_connector_init(hdata->drm_dev, connector,
946 &hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
948 DRM_ERROR("Failed to initialize connector with drm\n");
952 drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
953 drm_mode_connector_attach_encoder(connector, encoder);
956 encoder->bridge = hdata->bridge;
957 hdata->bridge->encoder = encoder;
958 ret = drm_bridge_attach(encoder, hdata->bridge, NULL);
960 DRM_ERROR("Failed to attach bridge\n");
966 static bool hdmi_mode_fixup(struct drm_encoder *encoder,
967 const struct drm_display_mode *mode,
968 struct drm_display_mode *adjusted_mode)
970 struct drm_device *dev = encoder->dev;
971 struct drm_connector *connector;
972 struct drm_display_mode *m;
973 struct drm_connector_list_iter conn_iter;
976 drm_mode_set_crtcinfo(adjusted_mode, 0);
978 drm_connector_list_iter_begin(dev, &conn_iter);
979 drm_for_each_connector_iter(connector, &conn_iter) {
980 if (connector->encoder == encoder)
984 drm_connector_get(connector);
985 drm_connector_list_iter_end(&conn_iter);
990 mode_ok = hdmi_mode_valid(connector, adjusted_mode);
992 if (mode_ok == MODE_OK)
996 * Find the most suitable mode and copy it to adjusted_mode.
998 list_for_each_entry(m, &connector->modes, head) {
999 mode_ok = hdmi_mode_valid(connector, m);
1001 if (mode_ok == MODE_OK) {
1002 DRM_INFO("desired mode doesn't exist so\n");
1003 DRM_INFO("use the most suitable mode among modes.\n");
1005 DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
1006 m->hdisplay, m->vdisplay, m->vrefresh);
1008 drm_mode_copy(adjusted_mode, m);
1014 drm_connector_put(connector);
1019 static void hdmi_reg_acr(struct hdmi_context *hdata, u32 freq)
1023 cts = (freq % 9) ? 27000 : 30000;
1024 n = 128 * freq / (27000000 / cts);
1026 hdmi_reg_writev(hdata, HDMI_ACR_N0, 3, n);
1027 hdmi_reg_writev(hdata, HDMI_ACR_MCTS0, 3, cts);
1028 hdmi_reg_writev(hdata, HDMI_ACR_CTS0, 3, cts);
1029 hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
1032 static void hdmi_audio_config(struct hdmi_context *hdata)
1038 switch (hdata->audio.params.sample_width) {
1051 hdmi_reg_acr(hdata, hdata->audio.params.sample_rate);
1053 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE
1054 | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE
1055 | HDMI_I2S_MUX_ENABLE);
1057 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN
1058 | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN);
1060 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN);
1061 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS);
1062 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN);
1064 val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01;
1065 hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val);
1067 /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */
1068 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5)
1069 | HDMI_I2S_SEL_LRCK(6));
1070 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(1)
1071 | HDMI_I2S_SEL_SDATA2(4));
1072 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1)
1073 | HDMI_I2S_SEL_SDATA2(2));
1074 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0));
1077 hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE
1078 | HDMI_I2S_L_CH_LOW_POL);
1079 hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE
1080 | HDMI_I2S_SET_BIT_CH(bit_ch)
1081 | HDMI_I2S_SET_SDATA_BIT(data_num)
1082 | HDMI_I2S_BASIC_FORMAT);
1084 /* Configuration of the audio channel status registers */
1085 for (i = 0; i < HDMI_I2S_CH_ST_MAXNUM; i++)
1086 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST(i),
1087 hdata->audio.params.iec.status[i]);
1089 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD);
1092 static void hdmi_audio_control(struct hdmi_context *hdata)
1094 bool enable = !hdata->audio.mute;
1096 if (hdata->dvi_mode)
1099 hdmi_reg_writeb(hdata, HDMI_AUI_CON, enable ?
1100 HDMI_AVI_CON_EVERY_VSYNC : HDMI_AUI_CON_NO_TRAN);
1101 hdmi_reg_writemask(hdata, HDMI_CON_0, enable ?
1102 HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK);
1105 static void hdmi_start(struct hdmi_context *hdata, bool start)
1107 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1108 u32 val = start ? HDMI_TG_EN : 0;
1110 if (m->flags & DRM_MODE_FLAG_INTERLACE)
1111 val |= HDMI_FIELD_EN;
1113 hdmi_reg_writemask(hdata, HDMI_CON_0, val, HDMI_EN);
1114 hdmi_reg_writemask(hdata, HDMI_TG_CMD, val, HDMI_TG_EN | HDMI_FIELD_EN);
1117 static void hdmi_conf_init(struct hdmi_context *hdata)
1119 /* disable HPD interrupts from HDMI IP block, use GPIO instead */
1120 hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
1121 HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
1123 /* choose HDMI mode */
1124 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1125 HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
1126 /* apply video pre-amble and guard band in HDMI mode only */
1127 hdmi_reg_writeb(hdata, HDMI_CON_2, 0);
1128 /* disable bluescreen */
1129 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
1131 if (hdata->dvi_mode) {
1132 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1133 HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
1134 hdmi_reg_writeb(hdata, HDMI_CON_2,
1135 HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
1138 if (hdata->drv_data->type == HDMI_TYPE13) {
1139 /* choose bluescreen (fecal) color */
1140 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
1141 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
1142 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56);
1144 /* enable AVI packet every vsync, fixes purple line problem */
1145 hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02);
1146 /* force RGB, look to CEA-861-D, table 7 for more detail */
1147 hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5);
1148 hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5);
1150 hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02);
1151 hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02);
1152 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04);
1154 hdmi_reg_infoframes(hdata);
1156 /* enable AVI packet every vsync, fixes purple line problem */
1157 hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5);
1161 static void hdmiphy_wait_for_pll(struct hdmi_context *hdata)
1165 for (tries = 0; tries < 10; ++tries) {
1166 u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS);
1168 if (val & HDMI_PHY_STATUS_READY) {
1169 DRM_DEBUG_KMS("PLL stabilized after %d tries\n", tries);
1172 usleep_range(10, 20);
1175 DRM_ERROR("PLL could not reach steady state\n");
1178 static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
1180 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1183 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1184 hdmi_reg_writev(hdata, HDMI_V13_H_V_LINE_0, 3,
1185 (m->htotal << 12) | m->vtotal);
1187 val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
1188 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, val);
1190 val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
1191 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, val);
1193 val = (m->hsync_start - m->hdisplay - 2);
1194 val |= ((m->hsync_end - m->hdisplay - 2) << 10);
1195 val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
1196 hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val);
1199 * Quirk requirement for exynos HDMI IP design,
1200 * 2 pixels less than the actual calculation for hsync_start
1204 /* Following values & calculations differ for different type of modes */
1205 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1206 val = ((m->vsync_end - m->vdisplay) / 2);
1207 val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
1208 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1210 val = m->vtotal / 2;
1211 val |= ((m->vtotal - m->vdisplay) / 2) << 11;
1212 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1215 ((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
1216 val |= m->vtotal << 11;
1217 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, val);
1219 val = ((m->vtotal / 2) + 7);
1220 val |= ((m->vtotal / 2) + 2) << 12;
1221 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, val);
1223 val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
1224 val |= ((m->htotal / 2) +
1225 (m->hsync_start - m->hdisplay)) << 12;
1226 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, val);
1228 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1229 (m->vtotal - m->vdisplay) / 2);
1230 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1232 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249);
1235 val |= (m->vtotal - m->vdisplay) << 11;
1236 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1238 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, 0);
1240 val = (m->vsync_end - m->vdisplay);
1241 val |= ((m->vsync_start - m->vdisplay) << 12);
1242 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1244 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, 0x1001);
1245 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, 0x1001);
1246 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1247 m->vtotal - m->vdisplay);
1248 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1251 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1252 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
1253 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
1254 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1257 static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
1259 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1260 struct drm_display_mode *am =
1261 &hdata->encoder.crtc->state->adjusted_mode;
1265 * In case video mode coming from CRTC differs from requested one HDMI
1266 * sometimes is able to almost properly perform conversion - only
1267 * first line is distorted.
1269 if ((m->vdisplay != am->vdisplay) &&
1270 (m->hdisplay == 1280 || m->hdisplay == 1024 || m->hdisplay == 1366))
1273 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1274 hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal);
1275 hdmi_reg_writev(hdata, HDMI_H_LINE_0, 2, m->htotal);
1276 hdmi_reg_writev(hdata, HDMI_HSYNC_POL, 1,
1277 (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
1278 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1,
1279 (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
1280 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1,
1281 (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
1284 * Quirk requirement for exynos 5 HDMI IP design,
1285 * 2 pixels less than the actual calculation for hsync_start
1289 /* Following values & calculations differ for different type of modes */
1290 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1291 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1292 (m->vsync_end - m->vdisplay) / 2);
1293 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1294 (m->vsync_start - m->vdisplay) / 2);
1295 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal / 2);
1296 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1297 (m->vtotal - m->vdisplay) / 2);
1298 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2,
1299 m->vtotal - m->vdisplay / 2);
1300 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, m->vtotal);
1301 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2,
1302 (m->vtotal / 2) + 7);
1303 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2,
1304 (m->vtotal / 2) + 2);
1305 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2,
1306 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1307 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2,
1308 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1309 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1310 (m->vtotal - m->vdisplay) / 2);
1311 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1312 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2,
1313 m->vtotal - m->vdisplay / 2);
1314 hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2,
1315 (m->vtotal / 2) + 1);
1316 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2,
1317 (m->vtotal / 2) + 1);
1318 hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2,
1319 (m->vtotal / 2) + 1);
1320 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x0);
1321 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x0);
1323 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1324 m->vsync_end - m->vdisplay);
1325 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1326 m->vsync_start - m->vdisplay);
1327 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal);
1328 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1329 m->vtotal - m->vdisplay);
1330 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2, 0xffff);
1331 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, 0xffff);
1332 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2, 0xffff);
1333 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2, 0xffff);
1334 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2, 0xffff);
1335 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2, 0xffff);
1336 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1337 m->vtotal - m->vdisplay);
1338 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1341 hdmi_reg_writev(hdata, HDMI_H_SYNC_START_0, 2,
1342 m->hsync_start - m->hdisplay - 2);
1343 hdmi_reg_writev(hdata, HDMI_H_SYNC_END_0, 2,
1344 m->hsync_end - m->hdisplay - 2);
1345 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_1_0, 2, 0xffff);
1346 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_2_0, 2, 0xffff);
1347 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_3_0, 2, 0xffff);
1348 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_4_0, 2, 0xffff);
1349 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_5_0, 2, 0xffff);
1350 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_6_0, 2, 0xffff);
1351 hdmi_reg_writev(hdata, HDMI_V_BLANK_F2_0, 2, 0xffff);
1352 hdmi_reg_writev(hdata, HDMI_V_BLANK_F3_0, 2, 0xffff);
1353 hdmi_reg_writev(hdata, HDMI_V_BLANK_F4_0, 2, 0xffff);
1354 hdmi_reg_writev(hdata, HDMI_V_BLANK_F5_0, 2, 0xffff);
1355 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_3_0, 2, 0xffff);
1356 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_4_0, 2, 0xffff);
1357 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_5_0, 2, 0xffff);
1358 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_6_0, 2, 0xffff);
1359 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, 2, 0xffff);
1360 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, 2, 0xffff);
1361 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 2, 0xffff);
1362 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff);
1364 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1365 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2,
1366 m->htotal - m->hdisplay - hquirk);
1367 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay + hquirk);
1368 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1369 if (hdata->drv_data == &exynos5433_hdmi_driver_data)
1370 hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1);
1373 static void hdmi_mode_apply(struct hdmi_context *hdata)
1375 if (hdata->drv_data->type == HDMI_TYPE13)
1376 hdmi_v13_mode_apply(hdata);
1378 hdmi_v14_mode_apply(hdata);
1380 hdmi_start(hdata, true);
1383 static void hdmiphy_conf_reset(struct hdmi_context *hdata)
1385 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, 0, 1);
1386 usleep_range(10000, 12000);
1387 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, ~0, 1);
1388 usleep_range(10000, 12000);
1389 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
1390 usleep_range(10000, 12000);
1391 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT);
1392 usleep_range(10000, 12000);
1395 static void hdmiphy_enable_mode_set(struct hdmi_context *hdata, bool enable)
1397 u8 v = enable ? HDMI_PHY_ENABLE_MODE_SET : HDMI_PHY_DISABLE_MODE_SET;
1399 if (hdata->drv_data == &exynos5433_hdmi_driver_data)
1400 writel(v, hdata->regs_hdmiphy + HDMIPHY5433_MODE_SET_DONE);
1403 static void hdmiphy_conf_apply(struct hdmi_context *hdata)
1405 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1409 ret = hdmi_find_phy_conf(hdata, m->clock * 1000);
1411 DRM_ERROR("failed to find hdmiphy conf\n");
1414 phy_conf = hdata->drv_data->phy_confs.data[ret].conf;
1416 hdmi_clk_set_parents(hdata, false);
1418 hdmiphy_conf_reset(hdata);
1420 hdmiphy_enable_mode_set(hdata, true);
1421 ret = hdmiphy_reg_write_buf(hdata, 0, phy_conf, 32);
1423 DRM_ERROR("failed to configure hdmiphy\n");
1426 hdmiphy_enable_mode_set(hdata, false);
1427 hdmi_clk_set_parents(hdata, true);
1428 usleep_range(10000, 12000);
1429 hdmiphy_wait_for_pll(hdata);
1432 /* Should be called with hdata->mutex mutex held */
1433 static void hdmi_conf_apply(struct hdmi_context *hdata)
1435 hdmi_start(hdata, false);
1436 hdmi_conf_init(hdata);
1437 hdmi_audio_config(hdata);
1438 hdmi_mode_apply(hdata);
1439 hdmi_audio_control(hdata);
1442 static void hdmi_set_refclk(struct hdmi_context *hdata, bool on)
1447 regmap_update_bits(hdata->sysreg, EXYNOS5433_SYSREG_DISP_HDMI_PHY,
1448 SYSREG_HDMI_REFCLK_INT_CLK, on ? ~0 : 0);
1451 /* Should be called with hdata->mutex mutex held. */
1452 static void hdmiphy_enable(struct hdmi_context *hdata)
1457 pm_runtime_get_sync(hdata->dev);
1459 if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk))
1460 DRM_DEBUG_KMS("failed to enable regulator bulk\n");
1462 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1463 PMU_HDMI_PHY_ENABLE_BIT, 1);
1465 hdmi_set_refclk(hdata, true);
1467 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN);
1469 hdmiphy_conf_apply(hdata);
1471 hdata->powered = true;
1474 /* Should be called with hdata->mutex mutex held. */
1475 static void hdmiphy_disable(struct hdmi_context *hdata)
1477 if (!hdata->powered)
1480 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
1482 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN);
1484 hdmi_set_refclk(hdata, false);
1486 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1487 PMU_HDMI_PHY_ENABLE_BIT, 0);
1489 regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk);
1491 pm_runtime_put_sync(hdata->dev);
1493 hdata->powered = false;
1496 static void hdmi_enable(struct drm_encoder *encoder)
1498 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1500 mutex_lock(&hdata->mutex);
1502 hdmiphy_enable(hdata);
1503 hdmi_conf_apply(hdata);
1505 mutex_unlock(&hdata->mutex);
1508 static void hdmi_disable(struct drm_encoder *encoder)
1510 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1512 mutex_lock(&hdata->mutex);
1514 if (hdata->powered) {
1516 * The SFRs of VP and Mixer are updated by Vertical Sync of
1517 * Timing generator which is a part of HDMI so the sequence
1518 * to disable TV Subsystem should be as following,
1519 * VP -> Mixer -> HDMI
1521 * To achieve such sequence HDMI is disabled together with
1522 * HDMI PHY, via pipe clock callback.
1524 mutex_unlock(&hdata->mutex);
1525 cancel_delayed_work(&hdata->hotplug_work);
1526 cec_notifier_set_phys_addr(hdata->notifier,
1527 CEC_PHYS_ADDR_INVALID);
1531 mutex_unlock(&hdata->mutex);
1534 static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
1535 .mode_fixup = hdmi_mode_fixup,
1536 .enable = hdmi_enable,
1537 .disable = hdmi_disable,
1540 static const struct drm_encoder_funcs exynos_hdmi_encoder_funcs = {
1541 .destroy = drm_encoder_cleanup,
1544 static void hdmi_audio_shutdown(struct device *dev, void *data)
1546 struct hdmi_context *hdata = dev_get_drvdata(dev);
1548 mutex_lock(&hdata->mutex);
1550 hdata->audio.mute = true;
1553 hdmi_audio_control(hdata);
1555 mutex_unlock(&hdata->mutex);
1558 static int hdmi_audio_hw_params(struct device *dev, void *data,
1559 struct hdmi_codec_daifmt *daifmt,
1560 struct hdmi_codec_params *params)
1562 struct hdmi_context *hdata = dev_get_drvdata(dev);
1564 if (daifmt->fmt != HDMI_I2S || daifmt->bit_clk_inv ||
1565 daifmt->frame_clk_inv || daifmt->bit_clk_master ||
1566 daifmt->frame_clk_master) {
1567 dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__,
1568 daifmt->bit_clk_inv, daifmt->frame_clk_inv,
1569 daifmt->bit_clk_master,
1570 daifmt->frame_clk_master);
1574 mutex_lock(&hdata->mutex);
1576 hdata->audio.params = *params;
1578 if (hdata->powered) {
1579 hdmi_audio_config(hdata);
1580 hdmi_audio_infoframe_apply(hdata);
1583 mutex_unlock(&hdata->mutex);
1588 static int hdmi_audio_digital_mute(struct device *dev, void *data, bool mute)
1590 struct hdmi_context *hdata = dev_get_drvdata(dev);
1592 mutex_lock(&hdata->mutex);
1594 hdata->audio.mute = mute;
1597 hdmi_audio_control(hdata);
1599 mutex_unlock(&hdata->mutex);
1604 static int hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf,
1607 struct hdmi_context *hdata = dev_get_drvdata(dev);
1608 struct drm_connector *connector = &hdata->connector;
1610 memcpy(buf, connector->eld, min(sizeof(connector->eld), len));
1615 static const struct hdmi_codec_ops audio_codec_ops = {
1616 .hw_params = hdmi_audio_hw_params,
1617 .audio_shutdown = hdmi_audio_shutdown,
1618 .digital_mute = hdmi_audio_digital_mute,
1619 .get_eld = hdmi_audio_get_eld,
1622 static int hdmi_register_audio_device(struct hdmi_context *hdata)
1624 struct hdmi_codec_pdata codec_data = {
1625 .ops = &audio_codec_ops,
1626 .max_i2s_channels = 6,
1630 hdata->audio.pdev = platform_device_register_data(
1631 hdata->dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_AUTO,
1632 &codec_data, sizeof(codec_data));
1634 return PTR_ERR_OR_ZERO(hdata->audio.pdev);
1637 static void hdmi_hotplug_work_func(struct work_struct *work)
1639 struct hdmi_context *hdata;
1641 hdata = container_of(work, struct hdmi_context, hotplug_work.work);
1644 drm_helper_hpd_irq_event(hdata->drm_dev);
1647 static irqreturn_t hdmi_irq_thread(int irq, void *arg)
1649 struct hdmi_context *hdata = arg;
1651 mod_delayed_work(system_wq, &hdata->hotplug_work,
1652 msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
1657 static int hdmi_clks_get(struct hdmi_context *hdata,
1658 const struct string_array_spec *names,
1661 struct device *dev = hdata->dev;
1664 for (i = 0; i < names->count; ++i) {
1665 struct clk *clk = devm_clk_get(dev, names->data[i]);
1668 int ret = PTR_ERR(clk);
1670 dev_err(dev, "Cannot get clock %s, %d\n",
1671 names->data[i], ret);
1682 static int hdmi_clk_init(struct hdmi_context *hdata)
1684 const struct hdmi_driver_data *drv_data = hdata->drv_data;
1685 int count = drv_data->clk_gates.count + drv_data->clk_muxes.count;
1686 struct device *dev = hdata->dev;
1693 clks = devm_kzalloc(dev, sizeof(*clks) * count, GFP_KERNEL);
1697 hdata->clk_gates = clks;
1698 hdata->clk_muxes = clks + drv_data->clk_gates.count;
1700 ret = hdmi_clks_get(hdata, &drv_data->clk_gates, hdata->clk_gates);
1704 return hdmi_clks_get(hdata, &drv_data->clk_muxes, hdata->clk_muxes);
1708 static void hdmiphy_clk_enable(struct exynos_drm_clk *clk, bool enable)
1710 struct hdmi_context *hdata = container_of(clk, struct hdmi_context,
1712 mutex_lock(&hdata->mutex);
1715 hdmiphy_enable(hdata);
1717 hdmiphy_disable(hdata);
1719 mutex_unlock(&hdata->mutex);
1722 static int hdmi_bridge_init(struct hdmi_context *hdata)
1724 struct device *dev = hdata->dev;
1725 struct device_node *ep, *np;
1727 ep = of_graph_get_endpoint_by_regs(dev->of_node, 1, -1);
1731 np = of_graph_get_remote_port_parent(ep);
1734 DRM_ERROR("failed to get remote port parent");
1738 hdata->bridge = of_drm_find_bridge(np);
1742 return -EPROBE_DEFER;
1747 static int hdmi_resources_init(struct hdmi_context *hdata)
1749 struct device *dev = hdata->dev;
1752 DRM_DEBUG_KMS("HDMI resource init\n");
1754 hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN);
1755 if (IS_ERR(hdata->hpd_gpio)) {
1756 DRM_ERROR("cannot get hpd gpio property\n");
1757 return PTR_ERR(hdata->hpd_gpio);
1760 hdata->irq = gpiod_to_irq(hdata->hpd_gpio);
1761 if (hdata->irq < 0) {
1762 DRM_ERROR("failed to get GPIO irq\n");
1766 ret = hdmi_clk_init(hdata);
1770 ret = hdmi_clk_set_parents(hdata, false);
1774 for (i = 0; i < ARRAY_SIZE(supply); ++i)
1775 hdata->regul_bulk[i].supply = supply[i];
1777 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
1779 if (ret != -EPROBE_DEFER)
1780 DRM_ERROR("failed to get regulators\n");
1784 hdata->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en");
1786 if (PTR_ERR(hdata->reg_hdmi_en) != -ENODEV) {
1787 if (IS_ERR(hdata->reg_hdmi_en))
1788 return PTR_ERR(hdata->reg_hdmi_en);
1790 ret = regulator_enable(hdata->reg_hdmi_en);
1792 DRM_ERROR("failed to enable hdmi-en regulator\n");
1797 return hdmi_bridge_init(hdata);
1800 static const struct of_device_id hdmi_match_types[] = {
1802 .compatible = "samsung,exynos4210-hdmi",
1803 .data = &exynos4210_hdmi_driver_data,
1805 .compatible = "samsung,exynos4212-hdmi",
1806 .data = &exynos4212_hdmi_driver_data,
1808 .compatible = "samsung,exynos5420-hdmi",
1809 .data = &exynos5420_hdmi_driver_data,
1811 .compatible = "samsung,exynos5433-hdmi",
1812 .data = &exynos5433_hdmi_driver_data,
1817 MODULE_DEVICE_TABLE (of, hdmi_match_types);
1819 static int hdmi_bind(struct device *dev, struct device *master, void *data)
1821 struct drm_device *drm_dev = data;
1822 struct hdmi_context *hdata = dev_get_drvdata(dev);
1823 struct drm_encoder *encoder = &hdata->encoder;
1824 struct exynos_drm_crtc *crtc;
1827 hdata->drm_dev = drm_dev;
1829 hdata->phy_clk.enable = hdmiphy_clk_enable;
1831 drm_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs,
1832 DRM_MODE_ENCODER_TMDS, NULL);
1834 drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
1836 ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_HDMI);
1840 crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI);
1841 crtc->pipe_clk = &hdata->phy_clk;
1843 ret = hdmi_create_connector(encoder);
1845 DRM_ERROR("failed to create connector ret = %d\n", ret);
1846 drm_encoder_cleanup(encoder);
1853 static void hdmi_unbind(struct device *dev, struct device *master, void *data)
1857 static const struct component_ops hdmi_component_ops = {
1859 .unbind = hdmi_unbind,
1862 static int hdmi_get_ddc_adapter(struct hdmi_context *hdata)
1864 const char *compatible_str = "samsung,exynos4210-hdmiddc";
1865 struct device_node *np;
1866 struct i2c_adapter *adpt;
1868 np = of_find_compatible_node(NULL, NULL, compatible_str);
1870 np = of_get_next_parent(np);
1872 np = of_parse_phandle(hdata->dev->of_node, "ddc", 0);
1875 DRM_ERROR("Failed to find ddc node in device tree\n");
1879 adpt = of_find_i2c_adapter_by_node(np);
1883 DRM_INFO("Failed to get ddc i2c adapter by node\n");
1884 return -EPROBE_DEFER;
1887 hdata->ddc_adpt = adpt;
1892 static int hdmi_get_phy_io(struct hdmi_context *hdata)
1894 const char *compatible_str = "samsung,exynos4212-hdmiphy";
1895 struct device_node *np;
1898 np = of_find_compatible_node(NULL, NULL, compatible_str);
1900 np = of_parse_phandle(hdata->dev->of_node, "phy", 0);
1902 DRM_ERROR("Failed to find hdmiphy node in device tree\n");
1907 if (hdata->drv_data->is_apb_phy) {
1908 hdata->regs_hdmiphy = of_iomap(np, 0);
1909 if (!hdata->regs_hdmiphy) {
1910 DRM_ERROR("failed to ioremap hdmi phy\n");
1915 hdata->hdmiphy_port = of_find_i2c_device_by_node(np);
1916 if (!hdata->hdmiphy_port) {
1917 DRM_INFO("Failed to get hdmi phy i2c client\n");
1918 ret = -EPROBE_DEFER;
1928 static int hdmi_probe(struct platform_device *pdev)
1930 struct hdmi_audio_infoframe *audio_infoframe;
1931 struct device *dev = &pdev->dev;
1932 struct hdmi_context *hdata;
1933 struct resource *res;
1936 hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
1940 hdata->drv_data = of_device_get_match_data(dev);
1942 platform_set_drvdata(pdev, hdata);
1946 mutex_init(&hdata->mutex);
1948 ret = hdmi_resources_init(hdata);
1950 if (ret != -EPROBE_DEFER)
1951 DRM_ERROR("hdmi_resources_init failed\n");
1955 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1956 hdata->regs = devm_ioremap_resource(dev, res);
1957 if (IS_ERR(hdata->regs)) {
1958 ret = PTR_ERR(hdata->regs);
1962 ret = hdmi_get_ddc_adapter(hdata);
1966 ret = hdmi_get_phy_io(hdata);
1970 INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func);
1972 ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
1973 hdmi_irq_thread, IRQF_TRIGGER_RISING |
1974 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1977 DRM_ERROR("failed to register hdmi interrupt\n");
1981 hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node,
1982 "samsung,syscon-phandle");
1983 if (IS_ERR(hdata->pmureg)) {
1984 DRM_ERROR("syscon regmap lookup failed.\n");
1985 ret = -EPROBE_DEFER;
1989 if (hdata->drv_data->has_sysreg) {
1990 hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
1991 "samsung,sysreg-phandle");
1992 if (IS_ERR(hdata->sysreg)) {
1993 DRM_ERROR("sysreg regmap lookup failed.\n");
1994 ret = -EPROBE_DEFER;
1999 hdata->notifier = cec_notifier_get(&pdev->dev);
2000 if (hdata->notifier == NULL) {
2005 pm_runtime_enable(dev);
2007 audio_infoframe = &hdata->audio.infoframe;
2008 hdmi_audio_infoframe_init(audio_infoframe);
2009 audio_infoframe->coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
2010 audio_infoframe->sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
2011 audio_infoframe->sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
2012 audio_infoframe->channels = 2;
2014 ret = hdmi_register_audio_device(hdata);
2016 goto err_notifier_put;
2018 ret = component_add(&pdev->dev, &hdmi_component_ops);
2020 goto err_unregister_audio;
2024 err_unregister_audio:
2025 platform_device_unregister(hdata->audio.pdev);
2028 cec_notifier_put(hdata->notifier);
2029 pm_runtime_disable(dev);
2032 if (hdata->hdmiphy_port)
2033 put_device(&hdata->hdmiphy_port->dev);
2034 if (hdata->regs_hdmiphy)
2035 iounmap(hdata->regs_hdmiphy);
2037 put_device(&hdata->ddc_adpt->dev);
2042 static int hdmi_remove(struct platform_device *pdev)
2044 struct hdmi_context *hdata = platform_get_drvdata(pdev);
2046 cancel_delayed_work_sync(&hdata->hotplug_work);
2047 cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
2049 component_del(&pdev->dev, &hdmi_component_ops);
2050 platform_device_unregister(hdata->audio.pdev);
2052 cec_notifier_put(hdata->notifier);
2053 pm_runtime_disable(&pdev->dev);
2055 if (!IS_ERR(hdata->reg_hdmi_en))
2056 regulator_disable(hdata->reg_hdmi_en);
2058 if (hdata->hdmiphy_port)
2059 put_device(&hdata->hdmiphy_port->dev);
2061 if (hdata->regs_hdmiphy)
2062 iounmap(hdata->regs_hdmiphy);
2064 put_device(&hdata->ddc_adpt->dev);
2066 mutex_destroy(&hdata->mutex);
2071 static int __maybe_unused exynos_hdmi_suspend(struct device *dev)
2073 struct hdmi_context *hdata = dev_get_drvdata(dev);
2075 hdmi_clk_disable_gates(hdata);
2080 static int __maybe_unused exynos_hdmi_resume(struct device *dev)
2082 struct hdmi_context *hdata = dev_get_drvdata(dev);
2085 ret = hdmi_clk_enable_gates(hdata);
2092 static const struct dev_pm_ops exynos_hdmi_pm_ops = {
2093 SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL)
2096 struct platform_driver hdmi_driver = {
2097 .probe = hdmi_probe,
2098 .remove = hdmi_remove,
2100 .name = "exynos-hdmi",
2101 .owner = THIS_MODULE,
2102 .pm = &exynos_hdmi_pm_ops,
2103 .of_match_table = hdmi_match_types,