1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2011 Samsung Electronics Co.Ltd
5 * Seung-Woo Kim <sw0312.kim@samsung.com>
6 * Inki Dae <inki.dae@samsung.com>
7 * Joonyoung Shim <jy0922.shim@samsung.com>
9 * Based on drivers/media/video/s5p-tv/hdmi_drv.c
12 #include <drm/exynos_drm.h>
13 #include <linux/clk.h>
14 #include <linux/component.h>
15 #include <linux/delay.h>
16 #include <linux/gpio/consumer.h>
17 #include <linux/hdmi.h>
18 #include <linux/i2c.h>
19 #include <linux/interrupt.h>
21 #include <linux/irq.h>
22 #include <linux/kernel.h>
23 #include <linux/mfd/syscon.h>
25 #include <linux/of_address.h>
26 #include <linux/of_graph.h>
27 #include <linux/platform_device.h>
28 #include <linux/pm_runtime.h>
29 #include <linux/regmap.h>
30 #include <linux/regulator/consumer.h>
31 #include <linux/wait.h>
33 #include <sound/hdmi-codec.h>
34 #include <media/cec-notifier.h>
36 #include <drm/drm_atomic_helper.h>
37 #include <drm/drm_bridge.h>
38 #include <drm/drm_edid.h>
39 #include <drm/drm_print.h>
40 #include <drm/drm_probe_helper.h>
41 #include <drm/drm_simple_kms_helper.h>
43 #include "exynos_drm_crtc.h"
44 #include "regs-hdmi.h"
46 #define HOTPLUG_DEBOUNCE_MS 1100
54 #define HDMI_MAPPED_BASE 0xffff0000
56 enum hdmi_mapped_regs {
57 HDMI_PHY_STATUS = HDMI_MAPPED_BASE,
65 static const u32 hdmi_reg_map[][HDMI_TYPE_COUNT] = {
66 { HDMI_V13_PHY_STATUS, HDMI_PHY_STATUS_0 },
67 { HDMI_V13_PHY_RSTOUT, HDMI_V14_PHY_RSTOUT },
68 { HDMI_V13_ACR_CON, HDMI_V14_ACR_CON },
69 { HDMI_V13_ACR_MCTS0, HDMI_V14_ACR_MCTS0 },
70 { HDMI_V13_ACR_CTS0, HDMI_V14_ACR_CTS0 },
71 { HDMI_V13_ACR_N0, HDMI_V14_ACR_N0 },
74 static const char * const supply[] = {
80 struct hdmiphy_config {
85 struct hdmiphy_configs {
87 const struct hdmiphy_config *data;
90 struct string_array_spec {
92 const char * const *data;
95 #define INIT_ARRAY_SPEC(a) { .count = ARRAY_SIZE(a), .data = a }
97 struct hdmi_driver_data {
99 unsigned int is_apb_phy:1;
100 unsigned int has_sysreg:1;
101 struct hdmiphy_configs phy_confs;
102 struct string_array_spec clk_gates;
104 * Array of triplets (p_off, p_on, clock), where p_off and p_on are
105 * required parents of clock when HDMI-PHY is respectively off or on.
107 struct string_array_spec clk_muxes;
111 struct platform_device *pdev;
112 struct hdmi_audio_infoframe infoframe;
113 struct hdmi_codec_params params;
117 struct hdmi_context {
118 struct drm_encoder encoder;
120 struct drm_device *drm_dev;
121 struct drm_connector connector;
123 struct delayed_work hotplug_work;
124 struct cec_notifier *notifier;
125 const struct hdmi_driver_data *drv_data;
128 void __iomem *regs_hdmiphy;
129 struct i2c_client *hdmiphy_port;
130 struct i2c_adapter *ddc_adpt;
131 struct gpio_desc *hpd_gpio;
133 struct regmap *pmureg;
134 struct regmap *sysreg;
135 struct clk **clk_gates;
136 struct clk **clk_muxes;
137 struct regulator_bulk_data regul_bulk[ARRAY_SIZE(supply)];
138 struct regulator *reg_hdmi_en;
139 struct exynos_drm_clk phy_clk;
140 struct drm_bridge *bridge;
142 /* mutex protecting subsequent fields below */
144 struct hdmi_audio audio;
148 static inline struct hdmi_context *encoder_to_hdmi(struct drm_encoder *e)
150 return container_of(e, struct hdmi_context, encoder);
153 static inline struct hdmi_context *connector_to_hdmi(struct drm_connector *c)
155 return container_of(c, struct hdmi_context, connector);
158 static const struct hdmiphy_config hdmiphy_v13_configs[] = {
160 .pixel_clock = 27000000,
162 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
163 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
164 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
165 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
169 .pixel_clock = 27027000,
171 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
172 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
173 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
174 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
178 .pixel_clock = 74176000,
180 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B,
181 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9,
182 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
183 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x80,
187 .pixel_clock = 74250000,
189 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40,
190 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba,
191 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0,
192 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x80,
196 .pixel_clock = 148500000,
198 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40,
199 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba,
200 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
201 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x80,
206 static const struct hdmiphy_config hdmiphy_v14_configs[] = {
208 .pixel_clock = 25200000,
210 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08,
211 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80,
212 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
213 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
217 .pixel_clock = 27000000,
219 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20,
220 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80,
221 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
222 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
226 .pixel_clock = 27027000,
228 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08,
229 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
230 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
231 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
235 .pixel_clock = 36000000,
237 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08,
238 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
239 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
240 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
244 .pixel_clock = 40000000,
246 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08,
247 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80,
248 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
249 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
253 .pixel_clock = 65000000,
255 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08,
256 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80,
257 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
258 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
262 .pixel_clock = 71000000,
264 0x01, 0xd1, 0x3b, 0x35, 0x40, 0x0c, 0x04, 0x08,
265 0x85, 0xa0, 0x63, 0xd9, 0x45, 0xa0, 0xac, 0x80,
266 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
267 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
271 .pixel_clock = 73250000,
273 0x01, 0xd1, 0x3d, 0x35, 0x40, 0x18, 0x02, 0x08,
274 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
275 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
276 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
280 .pixel_clock = 74176000,
282 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08,
283 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80,
284 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
285 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
289 .pixel_clock = 74250000,
291 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08,
292 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
293 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
294 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
298 .pixel_clock = 83500000,
300 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08,
301 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80,
302 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
303 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
307 .pixel_clock = 85500000,
309 0x01, 0xd1, 0x24, 0x11, 0x40, 0x40, 0xd0, 0x08,
310 0x84, 0xa0, 0xd6, 0xd8, 0x45, 0xa0, 0xac, 0x80,
311 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
312 0x54, 0x90, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
316 .pixel_clock = 106500000,
318 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08,
319 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
320 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
321 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
325 .pixel_clock = 108000000,
327 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08,
328 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
329 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
330 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
334 .pixel_clock = 115500000,
336 0x01, 0xd1, 0x30, 0x12, 0x40, 0x40, 0x10, 0x08,
337 0x80, 0x80, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80,
338 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
339 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
343 .pixel_clock = 119000000,
345 0x01, 0xd1, 0x32, 0x1a, 0x40, 0x30, 0xd8, 0x08,
346 0x04, 0xa0, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
347 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
348 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
352 .pixel_clock = 146250000,
354 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08,
355 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
356 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
357 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
361 .pixel_clock = 148500000,
363 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08,
364 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
365 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
366 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
371 static const struct hdmiphy_config hdmiphy_5420_configs[] = {
373 .pixel_clock = 25200000,
375 0x01, 0x52, 0x3F, 0x55, 0x40, 0x01, 0x00, 0xC8,
376 0x82, 0xC8, 0xBD, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
377 0x06, 0x80, 0x01, 0x84, 0x05, 0x02, 0x24, 0x66,
378 0x54, 0xF4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
382 .pixel_clock = 27000000,
384 0x01, 0xD1, 0x22, 0x51, 0x40, 0x08, 0xFC, 0xE0,
385 0x98, 0xE8, 0xCB, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
386 0x06, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
387 0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
391 .pixel_clock = 27027000,
393 0x01, 0xD1, 0x2D, 0x72, 0x40, 0x64, 0x12, 0xC8,
394 0x43, 0xE8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
395 0x26, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
396 0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
400 .pixel_clock = 36000000,
402 0x01, 0x51, 0x2D, 0x55, 0x40, 0x40, 0x00, 0xC8,
403 0x02, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
404 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
405 0x54, 0xAB, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
409 .pixel_clock = 40000000,
411 0x01, 0xD1, 0x21, 0x31, 0x40, 0x3C, 0x28, 0xC8,
412 0x87, 0xE8, 0xC8, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
413 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
414 0x54, 0x9A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
418 .pixel_clock = 65000000,
420 0x01, 0xD1, 0x36, 0x34, 0x40, 0x0C, 0x04, 0xC8,
421 0x82, 0xE8, 0x45, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
422 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
423 0x54, 0xBD, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
427 .pixel_clock = 71000000,
429 0x01, 0xD1, 0x3B, 0x35, 0x40, 0x0C, 0x04, 0xC8,
430 0x85, 0xE8, 0x63, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
431 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
432 0x54, 0x57, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
436 .pixel_clock = 73250000,
438 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x78, 0x8D, 0xC8,
439 0x81, 0xE8, 0xB7, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
440 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
441 0x54, 0xA8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
445 .pixel_clock = 74176000,
447 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0xC8,
448 0x81, 0xE8, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
449 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
450 0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
454 .pixel_clock = 74250000,
456 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08,
457 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
458 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
459 0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
463 .pixel_clock = 83500000,
465 0x01, 0xD1, 0x23, 0x11, 0x40, 0x0C, 0xFB, 0xC8,
466 0x85, 0xE8, 0xD1, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
467 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
468 0x54, 0x4A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
472 .pixel_clock = 88750000,
474 0x01, 0xD1, 0x25, 0x11, 0x40, 0x18, 0xFF, 0xC8,
475 0x83, 0xE8, 0xDE, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
476 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
477 0x54, 0x45, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
481 .pixel_clock = 106500000,
483 0x01, 0xD1, 0x2C, 0x12, 0x40, 0x0C, 0x09, 0xC8,
484 0x84, 0xE8, 0x0A, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
485 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
486 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
490 .pixel_clock = 108000000,
492 0x01, 0x51, 0x2D, 0x15, 0x40, 0x01, 0x00, 0xC8,
493 0x82, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
494 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
495 0x54, 0xC7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
499 .pixel_clock = 115500000,
501 0x01, 0xD1, 0x30, 0x14, 0x40, 0x0C, 0x03, 0xC8,
502 0x88, 0xE8, 0x21, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
503 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
504 0x54, 0x6A, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
508 .pixel_clock = 146250000,
510 0x01, 0xD1, 0x3D, 0x15, 0x40, 0x18, 0xFD, 0xC8,
511 0x83, 0xE8, 0x6E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
512 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
513 0x54, 0x54, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
517 .pixel_clock = 148500000,
519 0x01, 0xD1, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08,
520 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
521 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
522 0x54, 0x4B, 0x25, 0x03, 0x00, 0x80, 0x01, 0x80,
526 .pixel_clock = 154000000,
528 0x01, 0xD1, 0x20, 0x01, 0x40, 0x30, 0x08, 0xCC,
529 0x8C, 0xE8, 0xC1, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
530 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x86,
531 0x54, 0x3F, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
536 static const struct hdmiphy_config hdmiphy_5433_configs[] = {
538 .pixel_clock = 27000000,
540 0x01, 0x51, 0x2d, 0x75, 0x01, 0x00, 0x88, 0x02,
541 0x72, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac,
542 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
543 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
547 .pixel_clock = 27027000,
549 0x01, 0x51, 0x2d, 0x72, 0x64, 0x09, 0x88, 0xc3,
550 0x71, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac,
551 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
552 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
556 .pixel_clock = 40000000,
558 0x01, 0x51, 0x32, 0x55, 0x01, 0x00, 0x88, 0x02,
559 0x4d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
560 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
561 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
565 .pixel_clock = 50000000,
567 0x01, 0x51, 0x34, 0x40, 0x64, 0x09, 0x88, 0xc3,
568 0x3d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
569 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
570 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
574 .pixel_clock = 65000000,
576 0x01, 0x51, 0x36, 0x31, 0x40, 0x10, 0x04, 0xc6,
577 0x2e, 0xe8, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
578 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
579 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
583 .pixel_clock = 74176000,
585 0x01, 0x51, 0x3E, 0x35, 0x5B, 0xDE, 0x88, 0x42,
586 0x53, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
587 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
588 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
592 .pixel_clock = 74250000,
594 0x01, 0x51, 0x3E, 0x35, 0x40, 0xF0, 0x88, 0xC2,
595 0x52, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
596 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
597 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
601 .pixel_clock = 108000000,
603 0x01, 0x51, 0x2d, 0x15, 0x01, 0x00, 0x88, 0x02,
604 0x72, 0x52, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
605 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
606 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
610 .pixel_clock = 148500000,
612 0x01, 0x51, 0x1f, 0x00, 0x40, 0xf8, 0x88, 0xc1,
613 0x52, 0x52, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5,
614 0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
615 0x08, 0x10, 0x01, 0x01, 0x48, 0x4a, 0x00, 0x40,
619 .pixel_clock = 297000000,
621 0x01, 0x51, 0x3E, 0x05, 0x40, 0xF0, 0x88, 0xC2,
622 0x52, 0x53, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
623 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
624 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
629 static const char * const hdmi_clk_gates4[] = {
633 static const char * const hdmi_clk_muxes4[] = {
634 "sclk_pixel", "sclk_hdmiphy", "mout_hdmi"
637 static const char * const hdmi_clk_gates5433[] = {
638 "hdmi_pclk", "hdmi_i_pclk", "i_tmds_clk", "i_pixel_clk", "i_spdif_clk"
641 static const char * const hdmi_clk_muxes5433[] = {
642 "oscclk", "tmds_clko", "tmds_clko_user",
643 "oscclk", "pixel_clko", "pixel_clko_user"
646 static const struct hdmi_driver_data exynos4210_hdmi_driver_data = {
648 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v13_configs),
649 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
650 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
653 static const struct hdmi_driver_data exynos4212_hdmi_driver_data = {
655 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v14_configs),
656 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
657 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
660 static const struct hdmi_driver_data exynos5420_hdmi_driver_data = {
663 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5420_configs),
664 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
665 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
668 static const struct hdmi_driver_data exynos5433_hdmi_driver_data = {
672 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5433_configs),
673 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates5433),
674 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes5433),
677 static inline u32 hdmi_map_reg(struct hdmi_context *hdata, u32 reg_id)
679 if ((reg_id & 0xffff0000) == HDMI_MAPPED_BASE)
680 return hdmi_reg_map[reg_id & 0xffff][hdata->drv_data->type];
684 static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id)
686 return readl(hdata->regs + hdmi_map_reg(hdata, reg_id));
689 static inline void hdmi_reg_writeb(struct hdmi_context *hdata,
690 u32 reg_id, u8 value)
692 writel(value, hdata->regs + hdmi_map_reg(hdata, reg_id));
695 static inline void hdmi_reg_writev(struct hdmi_context *hdata, u32 reg_id,
698 reg_id = hdmi_map_reg(hdata, reg_id);
700 while (--bytes >= 0) {
701 writel(val & 0xff, hdata->regs + reg_id);
707 static inline void hdmi_reg_write_buf(struct hdmi_context *hdata, u32 reg_id,
710 for (reg_id = hdmi_map_reg(hdata, reg_id); size; --size, reg_id += 4)
711 writel(*buf++, hdata->regs + reg_id);
714 static inline void hdmi_reg_writemask(struct hdmi_context *hdata,
715 u32 reg_id, u32 value, u32 mask)
719 reg_id = hdmi_map_reg(hdata, reg_id);
720 old = readl(hdata->regs + reg_id);
721 value = (value & mask) | (old & ~mask);
722 writel(value, hdata->regs + reg_id);
725 static int hdmiphy_reg_write_buf(struct hdmi_context *hdata,
726 u32 reg_offset, const u8 *buf, u32 len)
728 if ((reg_offset + len) > 32)
731 if (hdata->hdmiphy_port) {
734 ret = i2c_master_send(hdata->hdmiphy_port, buf, len);
740 for (i = 0; i < len; i++)
741 writel(buf[i], hdata->regs_hdmiphy +
742 ((reg_offset + i)<<2));
747 static int hdmi_clk_enable_gates(struct hdmi_context *hdata)
751 for (i = 0; i < hdata->drv_data->clk_gates.count; ++i) {
752 ret = clk_prepare_enable(hdata->clk_gates[i]);
756 dev_err(hdata->dev, "Cannot enable clock '%s', %d\n",
757 hdata->drv_data->clk_gates.data[i], ret);
759 clk_disable_unprepare(hdata->clk_gates[i]);
766 static void hdmi_clk_disable_gates(struct hdmi_context *hdata)
768 int i = hdata->drv_data->clk_gates.count;
771 clk_disable_unprepare(hdata->clk_gates[i]);
774 static int hdmi_clk_set_parents(struct hdmi_context *hdata, bool to_phy)
776 struct device *dev = hdata->dev;
780 for (i = 0; i < hdata->drv_data->clk_muxes.count; i += 3) {
781 struct clk **c = &hdata->clk_muxes[i];
783 ret = clk_set_parent(c[2], c[to_phy]);
787 dev_err(dev, "Cannot set clock parent of '%s' to '%s', %d\n",
788 hdata->drv_data->clk_muxes.data[i + 2],
789 hdata->drv_data->clk_muxes.data[i + to_phy], ret);
795 static int hdmi_audio_infoframe_apply(struct hdmi_context *hdata)
797 struct hdmi_audio_infoframe *infoframe = &hdata->audio.infoframe;
798 u8 buf[HDMI_INFOFRAME_SIZE(AUDIO)];
801 len = hdmi_audio_infoframe_pack(infoframe, buf, sizeof(buf));
805 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_EVERY_VSYNC);
806 hdmi_reg_write_buf(hdata, HDMI_AUI_HEADER0, buf, len);
811 static void hdmi_reg_infoframes(struct hdmi_context *hdata)
813 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
814 union hdmi_infoframe frm;
818 if (hdata->dvi_mode) {
819 hdmi_reg_writeb(hdata, HDMI_AVI_CON,
820 HDMI_AVI_CON_DO_NOT_TRANSMIT);
821 hdmi_reg_writeb(hdata, HDMI_VSI_CON,
822 HDMI_VSI_CON_DO_NOT_TRANSMIT);
823 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN);
827 ret = drm_hdmi_avi_infoframe_from_display_mode(&frm.avi,
828 &hdata->connector, m);
830 ret = hdmi_avi_infoframe_pack(&frm.avi, buf, sizeof(buf));
832 hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC);
833 hdmi_reg_write_buf(hdata, HDMI_AVI_HEADER0, buf, ret);
835 DRM_INFO("%s: invalid AVI infoframe (%d)\n", __func__, ret);
838 ret = drm_hdmi_vendor_infoframe_from_display_mode(&frm.vendor.hdmi,
839 &hdata->connector, m);
841 ret = hdmi_vendor_infoframe_pack(&frm.vendor.hdmi, buf,
844 hdmi_reg_writeb(hdata, HDMI_VSI_CON, HDMI_VSI_CON_EVERY_VSYNC);
845 hdmi_reg_write_buf(hdata, HDMI_VSI_HEADER0, buf, 3);
846 hdmi_reg_write_buf(hdata, HDMI_VSI_DATA(0), buf + 3, ret - 3);
849 hdmi_audio_infoframe_apply(hdata);
852 static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
855 struct hdmi_context *hdata = connector_to_hdmi(connector);
857 if (gpiod_get_value(hdata->hpd_gpio))
858 return connector_status_connected;
860 cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
861 return connector_status_disconnected;
864 static void hdmi_connector_destroy(struct drm_connector *connector)
866 struct hdmi_context *hdata = connector_to_hdmi(connector);
868 cec_notifier_conn_unregister(hdata->notifier);
870 drm_connector_unregister(connector);
871 drm_connector_cleanup(connector);
874 static const struct drm_connector_funcs hdmi_connector_funcs = {
875 .fill_modes = drm_helper_probe_single_connector_modes,
876 .detect = hdmi_detect,
877 .destroy = hdmi_connector_destroy,
878 .reset = drm_atomic_helper_connector_reset,
879 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
880 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
883 static int hdmi_get_modes(struct drm_connector *connector)
885 struct hdmi_context *hdata = connector_to_hdmi(connector);
889 if (!hdata->ddc_adpt)
892 edid = drm_get_edid(connector, hdata->ddc_adpt);
896 hdata->dvi_mode = !connector->display_info.is_hdmi;
897 DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n",
898 (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
899 edid->width_cm, edid->height_cm);
901 drm_connector_update_edid_property(connector, edid);
902 cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid);
904 ret = drm_add_edid_modes(connector, edid);
911 return drm_add_modes_noedid(connector, 640, 480);
914 static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
916 const struct hdmiphy_configs *confs = &hdata->drv_data->phy_confs;
919 for (i = 0; i < confs->count; i++)
920 if (confs->data[i].pixel_clock == pixel_clock)
923 DRM_DEV_DEBUG_KMS(hdata->dev, "Could not find phy config for %d\n",
928 static enum drm_mode_status hdmi_mode_valid(struct drm_connector *connector,
929 struct drm_display_mode *mode)
931 struct hdmi_context *hdata = connector_to_hdmi(connector);
934 DRM_DEV_DEBUG_KMS(hdata->dev,
935 "xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
936 mode->hdisplay, mode->vdisplay,
937 drm_mode_vrefresh(mode),
938 (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
939 false, mode->clock * 1000);
941 ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
948 static const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
949 .get_modes = hdmi_get_modes,
950 .mode_valid = hdmi_mode_valid,
953 static int hdmi_create_connector(struct drm_encoder *encoder)
955 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
956 struct drm_connector *connector = &hdata->connector;
957 struct cec_connector_info conn_info;
960 connector->interlace_allowed = true;
961 connector->polled = DRM_CONNECTOR_POLL_HPD;
963 ret = drm_connector_init_with_ddc(hdata->drm_dev, connector,
964 &hdmi_connector_funcs,
965 DRM_MODE_CONNECTOR_HDMIA,
968 DRM_DEV_ERROR(hdata->dev,
969 "Failed to initialize connector with drm\n");
973 drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
974 drm_connector_attach_encoder(connector, encoder);
977 ret = drm_bridge_attach(encoder, hdata->bridge, NULL, 0);
979 cec_fill_conn_info_from_drm(&conn_info, connector);
981 hdata->notifier = cec_notifier_conn_register(hdata->dev, NULL,
983 if (!hdata->notifier) {
985 DRM_DEV_ERROR(hdata->dev, "Failed to allocate CEC notifier\n");
991 static bool hdmi_mode_fixup(struct drm_encoder *encoder,
992 const struct drm_display_mode *mode,
993 struct drm_display_mode *adjusted_mode)
995 struct drm_device *dev = encoder->dev;
996 struct drm_connector *connector;
997 struct drm_display_mode *m;
998 struct drm_connector_list_iter conn_iter;
1001 drm_mode_set_crtcinfo(adjusted_mode, 0);
1003 drm_connector_list_iter_begin(dev, &conn_iter);
1004 drm_for_each_connector_iter(connector, &conn_iter) {
1005 if (connector->encoder == encoder)
1009 drm_connector_get(connector);
1010 drm_connector_list_iter_end(&conn_iter);
1015 mode_ok = hdmi_mode_valid(connector, adjusted_mode);
1017 if (mode_ok == MODE_OK)
1021 * Find the most suitable mode and copy it to adjusted_mode.
1023 list_for_each_entry(m, &connector->modes, head) {
1024 mode_ok = hdmi_mode_valid(connector, m);
1026 if (mode_ok == MODE_OK) {
1027 DRM_INFO("desired mode doesn't exist so\n");
1028 DRM_INFO("use the most suitable mode among modes.\n");
1030 DRM_DEV_DEBUG_KMS(dev->dev,
1031 "Adjusted Mode: [%d]x[%d] [%d]Hz\n",
1032 m->hdisplay, m->vdisplay,
1033 drm_mode_vrefresh(m));
1035 drm_mode_copy(adjusted_mode, m);
1041 drm_connector_put(connector);
1046 static void hdmi_reg_acr(struct hdmi_context *hdata, u32 freq)
1050 cts = (freq % 9) ? 27000 : 30000;
1051 n = 128 * freq / (27000000 / cts);
1053 hdmi_reg_writev(hdata, HDMI_ACR_N0, 3, n);
1054 hdmi_reg_writev(hdata, HDMI_ACR_MCTS0, 3, cts);
1055 hdmi_reg_writev(hdata, HDMI_ACR_CTS0, 3, cts);
1056 hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
1059 static void hdmi_audio_config(struct hdmi_context *hdata)
1065 switch (hdata->audio.params.sample_width) {
1078 hdmi_reg_acr(hdata, hdata->audio.params.sample_rate);
1080 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE
1081 | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE
1082 | HDMI_I2S_MUX_ENABLE);
1084 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN
1085 | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN);
1087 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN);
1088 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS);
1089 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN);
1091 val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01;
1092 hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val);
1094 /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */
1095 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5)
1096 | HDMI_I2S_SEL_LRCK(6));
1098 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(3)
1099 | HDMI_I2S_SEL_SDATA0(4));
1101 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1)
1102 | HDMI_I2S_SEL_SDATA2(2));
1104 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0));
1107 hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE
1108 | HDMI_I2S_L_CH_LOW_POL);
1109 hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE
1110 | HDMI_I2S_SET_BIT_CH(bit_ch)
1111 | HDMI_I2S_SET_SDATA_BIT(data_num)
1112 | HDMI_I2S_BASIC_FORMAT);
1114 /* Configuration of the audio channel status registers */
1115 for (i = 0; i < HDMI_I2S_CH_ST_MAXNUM; i++)
1116 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST(i),
1117 hdata->audio.params.iec.status[i]);
1119 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD);
1122 static void hdmi_audio_control(struct hdmi_context *hdata)
1124 bool enable = !hdata->audio.mute;
1126 if (hdata->dvi_mode)
1129 hdmi_reg_writeb(hdata, HDMI_AUI_CON, enable ?
1130 HDMI_AVI_CON_EVERY_VSYNC : HDMI_AUI_CON_NO_TRAN);
1131 hdmi_reg_writemask(hdata, HDMI_CON_0, enable ?
1132 HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK);
1135 static void hdmi_start(struct hdmi_context *hdata, bool start)
1137 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1138 u32 val = start ? HDMI_TG_EN : 0;
1140 if (m->flags & DRM_MODE_FLAG_INTERLACE)
1141 val |= HDMI_FIELD_EN;
1143 hdmi_reg_writemask(hdata, HDMI_CON_0, val, HDMI_EN);
1144 hdmi_reg_writemask(hdata, HDMI_TG_CMD, val, HDMI_TG_EN | HDMI_FIELD_EN);
1147 static void hdmi_conf_init(struct hdmi_context *hdata)
1149 /* disable HPD interrupts from HDMI IP block, use GPIO instead */
1150 hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
1151 HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
1153 /* choose HDMI mode */
1154 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1155 HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
1156 /* apply video pre-amble and guard band in HDMI mode only */
1157 hdmi_reg_writeb(hdata, HDMI_CON_2, 0);
1158 /* disable bluescreen */
1159 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
1161 if (hdata->dvi_mode) {
1162 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1163 HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
1164 hdmi_reg_writeb(hdata, HDMI_CON_2,
1165 HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
1168 if (hdata->drv_data->type == HDMI_TYPE13) {
1169 /* choose bluescreen (fecal) color */
1170 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
1171 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
1172 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56);
1174 /* enable AVI packet every vsync, fixes purple line problem */
1175 hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02);
1176 /* force RGB, look to CEA-861-D, table 7 for more detail */
1177 hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5);
1178 hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5);
1180 hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02);
1181 hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02);
1182 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04);
1184 hdmi_reg_infoframes(hdata);
1186 /* enable AVI packet every vsync, fixes purple line problem */
1187 hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5);
1191 static void hdmiphy_wait_for_pll(struct hdmi_context *hdata)
1195 for (tries = 0; tries < 10; ++tries) {
1196 u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS);
1198 if (val & HDMI_PHY_STATUS_READY) {
1199 DRM_DEV_DEBUG_KMS(hdata->dev,
1200 "PLL stabilized after %d tries\n",
1204 usleep_range(10, 20);
1207 DRM_DEV_ERROR(hdata->dev, "PLL could not reach steady state\n");
1210 static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
1212 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1215 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1216 hdmi_reg_writev(hdata, HDMI_V13_H_V_LINE_0, 3,
1217 (m->htotal << 12) | m->vtotal);
1219 val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
1220 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, val);
1222 val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
1223 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, val);
1225 val = (m->hsync_start - m->hdisplay - 2);
1226 val |= ((m->hsync_end - m->hdisplay - 2) << 10);
1227 val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
1228 hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val);
1231 * Quirk requirement for exynos HDMI IP design,
1232 * 2 pixels less than the actual calculation for hsync_start
1236 /* Following values & calculations differ for different type of modes */
1237 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1238 val = ((m->vsync_end - m->vdisplay) / 2);
1239 val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
1240 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1242 val = m->vtotal / 2;
1243 val |= ((m->vtotal - m->vdisplay) / 2) << 11;
1244 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1247 ((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
1248 val |= m->vtotal << 11;
1249 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, val);
1251 val = ((m->vtotal / 2) + 7);
1252 val |= ((m->vtotal / 2) + 2) << 12;
1253 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, val);
1255 val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
1256 val |= ((m->htotal / 2) +
1257 (m->hsync_start - m->hdisplay)) << 12;
1258 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, val);
1260 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1261 (m->vtotal - m->vdisplay) / 2);
1262 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1264 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249);
1267 val |= (m->vtotal - m->vdisplay) << 11;
1268 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1270 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, 0);
1272 val = (m->vsync_end - m->vdisplay);
1273 val |= ((m->vsync_start - m->vdisplay) << 12);
1274 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1276 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, 0x1001);
1277 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, 0x1001);
1278 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1279 m->vtotal - m->vdisplay);
1280 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1283 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1284 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
1285 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
1286 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1289 static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
1291 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1292 struct drm_display_mode *am =
1293 &hdata->encoder.crtc->state->adjusted_mode;
1297 * In case video mode coming from CRTC differs from requested one HDMI
1298 * sometimes is able to almost properly perform conversion - only
1299 * first line is distorted.
1301 if ((m->vdisplay != am->vdisplay) &&
1302 (m->hdisplay == 1280 || m->hdisplay == 1024 || m->hdisplay == 1366))
1305 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1306 hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal);
1307 hdmi_reg_writev(hdata, HDMI_H_LINE_0, 2, m->htotal);
1308 hdmi_reg_writev(hdata, HDMI_HSYNC_POL, 1,
1309 (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
1310 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1,
1311 (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
1312 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1,
1313 (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
1316 * Quirk requirement for exynos 5 HDMI IP design,
1317 * 2 pixels less than the actual calculation for hsync_start
1321 /* Following values & calculations differ for different type of modes */
1322 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1323 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1324 (m->vsync_end - m->vdisplay) / 2);
1325 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1326 (m->vsync_start - m->vdisplay) / 2);
1327 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal / 2);
1328 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1329 (m->vtotal - m->vdisplay) / 2);
1330 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2,
1331 m->vtotal - m->vdisplay / 2);
1332 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, m->vtotal);
1333 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2,
1334 (m->vtotal / 2) + 7);
1335 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2,
1336 (m->vtotal / 2) + 2);
1337 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2,
1338 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1339 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2,
1340 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1341 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1342 (m->vtotal - m->vdisplay) / 2);
1343 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1344 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2,
1345 m->vtotal - m->vdisplay / 2);
1346 hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2,
1347 (m->vtotal / 2) + 1);
1348 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2,
1349 (m->vtotal / 2) + 1);
1350 hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2,
1351 (m->vtotal / 2) + 1);
1352 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x0);
1353 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x0);
1355 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1356 m->vsync_end - m->vdisplay);
1357 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1358 m->vsync_start - m->vdisplay);
1359 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal);
1360 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1361 m->vtotal - m->vdisplay);
1362 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2, 0xffff);
1363 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, 0xffff);
1364 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2, 0xffff);
1365 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2, 0xffff);
1366 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2, 0xffff);
1367 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2, 0xffff);
1368 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1369 m->vtotal - m->vdisplay);
1370 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1373 hdmi_reg_writev(hdata, HDMI_H_SYNC_START_0, 2,
1374 m->hsync_start - m->hdisplay - 2);
1375 hdmi_reg_writev(hdata, HDMI_H_SYNC_END_0, 2,
1376 m->hsync_end - m->hdisplay - 2);
1377 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_1_0, 2, 0xffff);
1378 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_2_0, 2, 0xffff);
1379 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_3_0, 2, 0xffff);
1380 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_4_0, 2, 0xffff);
1381 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_5_0, 2, 0xffff);
1382 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_6_0, 2, 0xffff);
1383 hdmi_reg_writev(hdata, HDMI_V_BLANK_F2_0, 2, 0xffff);
1384 hdmi_reg_writev(hdata, HDMI_V_BLANK_F3_0, 2, 0xffff);
1385 hdmi_reg_writev(hdata, HDMI_V_BLANK_F4_0, 2, 0xffff);
1386 hdmi_reg_writev(hdata, HDMI_V_BLANK_F5_0, 2, 0xffff);
1387 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_3_0, 2, 0xffff);
1388 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_4_0, 2, 0xffff);
1389 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_5_0, 2, 0xffff);
1390 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_6_0, 2, 0xffff);
1391 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, 2, 0xffff);
1392 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, 2, 0xffff);
1393 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 2, 0xffff);
1394 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff);
1396 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1397 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2,
1398 m->htotal - m->hdisplay - hquirk);
1399 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay + hquirk);
1400 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1401 if (hdata->drv_data == &exynos5433_hdmi_driver_data)
1402 hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1);
1405 static void hdmi_mode_apply(struct hdmi_context *hdata)
1407 if (hdata->drv_data->type == HDMI_TYPE13)
1408 hdmi_v13_mode_apply(hdata);
1410 hdmi_v14_mode_apply(hdata);
1412 hdmi_start(hdata, true);
1415 static void hdmiphy_conf_reset(struct hdmi_context *hdata)
1417 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, 0, 1);
1418 usleep_range(10000, 12000);
1419 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, ~0, 1);
1420 usleep_range(10000, 12000);
1421 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
1422 usleep_range(10000, 12000);
1423 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT);
1424 usleep_range(10000, 12000);
1427 static void hdmiphy_enable_mode_set(struct hdmi_context *hdata, bool enable)
1429 u8 v = enable ? HDMI_PHY_ENABLE_MODE_SET : HDMI_PHY_DISABLE_MODE_SET;
1431 if (hdata->drv_data == &exynos5433_hdmi_driver_data)
1432 writel(v, hdata->regs_hdmiphy + HDMIPHY5433_MODE_SET_DONE);
1435 static void hdmiphy_conf_apply(struct hdmi_context *hdata)
1437 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1441 ret = hdmi_find_phy_conf(hdata, m->clock * 1000);
1443 DRM_DEV_ERROR(hdata->dev, "failed to find hdmiphy conf\n");
1446 phy_conf = hdata->drv_data->phy_confs.data[ret].conf;
1448 hdmi_clk_set_parents(hdata, false);
1450 hdmiphy_conf_reset(hdata);
1452 hdmiphy_enable_mode_set(hdata, true);
1453 ret = hdmiphy_reg_write_buf(hdata, 0, phy_conf, 32);
1455 DRM_DEV_ERROR(hdata->dev, "failed to configure hdmiphy\n");
1458 hdmiphy_enable_mode_set(hdata, false);
1459 hdmi_clk_set_parents(hdata, true);
1460 usleep_range(10000, 12000);
1461 hdmiphy_wait_for_pll(hdata);
1464 /* Should be called with hdata->mutex mutex held */
1465 static void hdmi_conf_apply(struct hdmi_context *hdata)
1467 hdmi_start(hdata, false);
1468 hdmi_conf_init(hdata);
1469 hdmi_audio_config(hdata);
1470 hdmi_mode_apply(hdata);
1471 hdmi_audio_control(hdata);
1474 static void hdmi_set_refclk(struct hdmi_context *hdata, bool on)
1479 regmap_update_bits(hdata->sysreg, EXYNOS5433_SYSREG_DISP_HDMI_PHY,
1480 SYSREG_HDMI_REFCLK_INT_CLK, on ? ~0 : 0);
1483 /* Should be called with hdata->mutex mutex held. */
1484 static void hdmiphy_enable(struct hdmi_context *hdata)
1491 ret = pm_runtime_resume_and_get(hdata->dev);
1493 dev_err(hdata->dev, "failed to enable HDMIPHY device.\n");
1497 if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk))
1498 DRM_DEV_DEBUG_KMS(hdata->dev,
1499 "failed to enable regulator bulk\n");
1501 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1502 PMU_HDMI_PHY_ENABLE_BIT, 1);
1504 hdmi_set_refclk(hdata, true);
1506 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN);
1508 hdmiphy_conf_apply(hdata);
1510 hdata->powered = true;
1513 /* Should be called with hdata->mutex mutex held. */
1514 static void hdmiphy_disable(struct hdmi_context *hdata)
1516 if (!hdata->powered)
1519 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
1521 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN);
1523 hdmi_set_refclk(hdata, false);
1525 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1526 PMU_HDMI_PHY_ENABLE_BIT, 0);
1528 regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk);
1530 pm_runtime_put_sync(hdata->dev);
1532 hdata->powered = false;
1535 static void hdmi_enable(struct drm_encoder *encoder)
1537 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1539 mutex_lock(&hdata->mutex);
1541 hdmiphy_enable(hdata);
1542 hdmi_conf_apply(hdata);
1544 mutex_unlock(&hdata->mutex);
1547 static void hdmi_disable(struct drm_encoder *encoder)
1549 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1551 mutex_lock(&hdata->mutex);
1553 if (hdata->powered) {
1555 * The SFRs of VP and Mixer are updated by Vertical Sync of
1556 * Timing generator which is a part of HDMI so the sequence
1557 * to disable TV Subsystem should be as following,
1558 * VP -> Mixer -> HDMI
1560 * To achieve such sequence HDMI is disabled together with
1561 * HDMI PHY, via pipe clock callback.
1563 mutex_unlock(&hdata->mutex);
1564 cancel_delayed_work(&hdata->hotplug_work);
1565 if (hdata->notifier)
1566 cec_notifier_phys_addr_invalidate(hdata->notifier);
1570 mutex_unlock(&hdata->mutex);
1573 static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
1574 .mode_fixup = hdmi_mode_fixup,
1575 .enable = hdmi_enable,
1576 .disable = hdmi_disable,
1579 static void hdmi_audio_shutdown(struct device *dev, void *data)
1581 struct hdmi_context *hdata = dev_get_drvdata(dev);
1583 mutex_lock(&hdata->mutex);
1585 hdata->audio.mute = true;
1588 hdmi_audio_control(hdata);
1590 mutex_unlock(&hdata->mutex);
1593 static int hdmi_audio_hw_params(struct device *dev, void *data,
1594 struct hdmi_codec_daifmt *daifmt,
1595 struct hdmi_codec_params *params)
1597 struct hdmi_context *hdata = dev_get_drvdata(dev);
1599 if (daifmt->fmt != HDMI_I2S || daifmt->bit_clk_inv ||
1600 daifmt->frame_clk_inv || daifmt->bit_clk_provider ||
1601 daifmt->frame_clk_provider) {
1602 dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__,
1603 daifmt->bit_clk_inv, daifmt->frame_clk_inv,
1604 daifmt->bit_clk_provider,
1605 daifmt->frame_clk_provider);
1609 mutex_lock(&hdata->mutex);
1611 hdata->audio.params = *params;
1613 if (hdata->powered) {
1614 hdmi_audio_config(hdata);
1615 hdmi_audio_infoframe_apply(hdata);
1618 mutex_unlock(&hdata->mutex);
1623 static int hdmi_audio_mute(struct device *dev, void *data,
1624 bool mute, int direction)
1626 struct hdmi_context *hdata = dev_get_drvdata(dev);
1628 mutex_lock(&hdata->mutex);
1630 hdata->audio.mute = mute;
1633 hdmi_audio_control(hdata);
1635 mutex_unlock(&hdata->mutex);
1640 static int hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf,
1643 struct hdmi_context *hdata = dev_get_drvdata(dev);
1644 struct drm_connector *connector = &hdata->connector;
1646 memcpy(buf, connector->eld, min(sizeof(connector->eld), len));
1651 static const struct hdmi_codec_ops audio_codec_ops = {
1652 .hw_params = hdmi_audio_hw_params,
1653 .audio_shutdown = hdmi_audio_shutdown,
1654 .mute_stream = hdmi_audio_mute,
1655 .get_eld = hdmi_audio_get_eld,
1656 .no_capture_mute = 1,
1659 static int hdmi_register_audio_device(struct hdmi_context *hdata)
1661 struct hdmi_codec_pdata codec_data = {
1662 .ops = &audio_codec_ops,
1663 .max_i2s_channels = 6,
1667 hdata->audio.pdev = platform_device_register_data(
1668 hdata->dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_AUTO,
1669 &codec_data, sizeof(codec_data));
1671 return PTR_ERR_OR_ZERO(hdata->audio.pdev);
1674 static void hdmi_hotplug_work_func(struct work_struct *work)
1676 struct hdmi_context *hdata;
1678 hdata = container_of(work, struct hdmi_context, hotplug_work.work);
1681 drm_helper_hpd_irq_event(hdata->drm_dev);
1684 static irqreturn_t hdmi_irq_thread(int irq, void *arg)
1686 struct hdmi_context *hdata = arg;
1688 mod_delayed_work(system_wq, &hdata->hotplug_work,
1689 msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
1694 static int hdmi_clks_get(struct hdmi_context *hdata,
1695 const struct string_array_spec *names,
1698 struct device *dev = hdata->dev;
1701 for (i = 0; i < names->count; ++i) {
1702 struct clk *clk = devm_clk_get(dev, names->data[i]);
1705 int ret = PTR_ERR(clk);
1707 dev_err(dev, "Cannot get clock %s, %d\n",
1708 names->data[i], ret);
1719 static int hdmi_clk_init(struct hdmi_context *hdata)
1721 const struct hdmi_driver_data *drv_data = hdata->drv_data;
1722 int count = drv_data->clk_gates.count + drv_data->clk_muxes.count;
1723 struct device *dev = hdata->dev;
1730 clks = devm_kcalloc(dev, count, sizeof(*clks), GFP_KERNEL);
1734 hdata->clk_gates = clks;
1735 hdata->clk_muxes = clks + drv_data->clk_gates.count;
1737 ret = hdmi_clks_get(hdata, &drv_data->clk_gates, hdata->clk_gates);
1741 return hdmi_clks_get(hdata, &drv_data->clk_muxes, hdata->clk_muxes);
1745 static void hdmiphy_clk_enable(struct exynos_drm_clk *clk, bool enable)
1747 struct hdmi_context *hdata = container_of(clk, struct hdmi_context,
1749 mutex_lock(&hdata->mutex);
1752 hdmiphy_enable(hdata);
1754 hdmiphy_disable(hdata);
1756 mutex_unlock(&hdata->mutex);
1759 static int hdmi_bridge_init(struct hdmi_context *hdata)
1761 struct device *dev = hdata->dev;
1762 struct device_node *ep, *np;
1764 ep = of_graph_get_endpoint_by_regs(dev->of_node, 1, -1);
1768 np = of_graph_get_remote_port_parent(ep);
1771 DRM_DEV_ERROR(dev, "failed to get remote port parent");
1775 hdata->bridge = of_drm_find_bridge(np);
1779 return -EPROBE_DEFER;
1784 static int hdmi_resources_init(struct hdmi_context *hdata)
1786 struct device *dev = hdata->dev;
1789 DRM_DEV_DEBUG_KMS(dev, "HDMI resource init\n");
1791 hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN);
1792 if (IS_ERR(hdata->hpd_gpio)) {
1793 DRM_DEV_ERROR(dev, "cannot get hpd gpio property\n");
1794 return PTR_ERR(hdata->hpd_gpio);
1797 hdata->irq = gpiod_to_irq(hdata->hpd_gpio);
1798 if (hdata->irq < 0) {
1799 DRM_DEV_ERROR(dev, "failed to get GPIO irq\n");
1803 ret = hdmi_clk_init(hdata);
1807 ret = hdmi_clk_set_parents(hdata, false);
1811 for (i = 0; i < ARRAY_SIZE(supply); ++i)
1812 hdata->regul_bulk[i].supply = supply[i];
1814 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
1816 return dev_err_probe(dev, ret, "failed to get regulators\n");
1818 hdata->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en");
1820 if (PTR_ERR(hdata->reg_hdmi_en) != -ENODEV)
1821 if (IS_ERR(hdata->reg_hdmi_en))
1822 return PTR_ERR(hdata->reg_hdmi_en);
1824 return hdmi_bridge_init(hdata);
1827 static const struct of_device_id hdmi_match_types[] = {
1829 .compatible = "samsung,exynos4210-hdmi",
1830 .data = &exynos4210_hdmi_driver_data,
1832 .compatible = "samsung,exynos4212-hdmi",
1833 .data = &exynos4212_hdmi_driver_data,
1835 .compatible = "samsung,exynos5420-hdmi",
1836 .data = &exynos5420_hdmi_driver_data,
1838 .compatible = "samsung,exynos5433-hdmi",
1839 .data = &exynos5433_hdmi_driver_data,
1844 MODULE_DEVICE_TABLE (of, hdmi_match_types);
1846 static int hdmi_bind(struct device *dev, struct device *master, void *data)
1848 struct drm_device *drm_dev = data;
1849 struct hdmi_context *hdata = dev_get_drvdata(dev);
1850 struct drm_encoder *encoder = &hdata->encoder;
1851 struct exynos_drm_crtc *crtc;
1854 hdata->drm_dev = drm_dev;
1856 hdata->phy_clk.enable = hdmiphy_clk_enable;
1858 drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
1860 drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
1862 ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_HDMI);
1866 crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI);
1868 return PTR_ERR(crtc);
1869 crtc->pipe_clk = &hdata->phy_clk;
1871 ret = hdmi_create_connector(encoder);
1873 DRM_DEV_ERROR(dev, "failed to create connector ret = %d\n",
1875 drm_encoder_cleanup(encoder);
1882 static void hdmi_unbind(struct device *dev, struct device *master, void *data)
1886 static const struct component_ops hdmi_component_ops = {
1888 .unbind = hdmi_unbind,
1891 static int hdmi_get_ddc_adapter(struct hdmi_context *hdata)
1893 const char *compatible_str = "samsung,exynos4210-hdmiddc";
1894 struct device_node *np;
1895 struct i2c_adapter *adpt;
1897 np = of_find_compatible_node(NULL, NULL, compatible_str);
1899 np = of_get_next_parent(np);
1901 np = of_parse_phandle(hdata->dev->of_node, "ddc", 0);
1904 DRM_DEV_ERROR(hdata->dev,
1905 "Failed to find ddc node in device tree\n");
1909 adpt = of_find_i2c_adapter_by_node(np);
1913 DRM_INFO("Failed to get ddc i2c adapter by node\n");
1914 return -EPROBE_DEFER;
1917 hdata->ddc_adpt = adpt;
1922 static int hdmi_get_phy_io(struct hdmi_context *hdata)
1924 const char *compatible_str = "samsung,exynos4212-hdmiphy";
1925 struct device_node *np __free(device_node) =
1926 of_find_compatible_node(NULL, NULL, compatible_str);
1929 np = of_parse_phandle(hdata->dev->of_node, "phy", 0);
1931 DRM_DEV_ERROR(hdata->dev,
1932 "Failed to find hdmiphy node in device tree\n");
1937 if (hdata->drv_data->is_apb_phy) {
1938 hdata->regs_hdmiphy = of_iomap(np, 0);
1939 if (!hdata->regs_hdmiphy) {
1940 DRM_DEV_ERROR(hdata->dev,
1941 "failed to ioremap hdmi phy\n");
1945 hdata->hdmiphy_port = of_find_i2c_device_by_node(np);
1946 if (!hdata->hdmiphy_port) {
1947 DRM_INFO("Failed to get hdmi phy i2c client\n");
1948 return -EPROBE_DEFER;
1955 static int hdmi_probe(struct platform_device *pdev)
1957 struct hdmi_audio_infoframe *audio_infoframe;
1958 struct device *dev = &pdev->dev;
1959 struct hdmi_context *hdata;
1962 hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
1966 hdata->drv_data = of_device_get_match_data(dev);
1968 platform_set_drvdata(pdev, hdata);
1972 mutex_init(&hdata->mutex);
1974 ret = hdmi_resources_init(hdata);
1976 if (ret != -EPROBE_DEFER)
1977 DRM_DEV_ERROR(dev, "hdmi_resources_init failed\n");
1981 hdata->regs = devm_platform_ioremap_resource(pdev, 0);
1982 if (IS_ERR(hdata->regs)) {
1983 ret = PTR_ERR(hdata->regs);
1987 ret = hdmi_get_ddc_adapter(hdata);
1991 ret = hdmi_get_phy_io(hdata);
1995 INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func);
1997 ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
1998 hdmi_irq_thread, IRQF_TRIGGER_RISING |
1999 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
2002 DRM_DEV_ERROR(dev, "failed to register hdmi interrupt\n");
2006 hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node,
2007 "samsung,syscon-phandle");
2008 if (IS_ERR(hdata->pmureg)) {
2009 DRM_DEV_ERROR(dev, "syscon regmap lookup failed.\n");
2010 ret = -EPROBE_DEFER;
2014 if (hdata->drv_data->has_sysreg) {
2015 hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
2016 "samsung,sysreg-phandle");
2017 if (IS_ERR(hdata->sysreg)) {
2018 DRM_DEV_ERROR(dev, "sysreg regmap lookup failed.\n");
2019 ret = -EPROBE_DEFER;
2024 if (!IS_ERR(hdata->reg_hdmi_en)) {
2025 ret = regulator_enable(hdata->reg_hdmi_en);
2028 "failed to enable hdmi-en regulator\n");
2033 pm_runtime_enable(dev);
2035 audio_infoframe = &hdata->audio.infoframe;
2036 hdmi_audio_infoframe_init(audio_infoframe);
2037 audio_infoframe->coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
2038 audio_infoframe->sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
2039 audio_infoframe->sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
2040 audio_infoframe->channels = 2;
2042 ret = hdmi_register_audio_device(hdata);
2044 goto err_rpm_disable;
2046 ret = component_add(&pdev->dev, &hdmi_component_ops);
2048 goto err_unregister_audio;
2052 err_unregister_audio:
2053 platform_device_unregister(hdata->audio.pdev);
2056 pm_runtime_disable(dev);
2057 if (!IS_ERR(hdata->reg_hdmi_en))
2058 regulator_disable(hdata->reg_hdmi_en);
2060 if (hdata->hdmiphy_port)
2061 put_device(&hdata->hdmiphy_port->dev);
2062 if (hdata->regs_hdmiphy)
2063 iounmap(hdata->regs_hdmiphy);
2065 put_device(&hdata->ddc_adpt->dev);
2070 static void hdmi_remove(struct platform_device *pdev)
2072 struct hdmi_context *hdata = platform_get_drvdata(pdev);
2074 cancel_delayed_work_sync(&hdata->hotplug_work);
2076 component_del(&pdev->dev, &hdmi_component_ops);
2077 platform_device_unregister(hdata->audio.pdev);
2079 pm_runtime_disable(&pdev->dev);
2081 if (!IS_ERR(hdata->reg_hdmi_en))
2082 regulator_disable(hdata->reg_hdmi_en);
2084 if (hdata->hdmiphy_port)
2085 put_device(&hdata->hdmiphy_port->dev);
2087 if (hdata->regs_hdmiphy)
2088 iounmap(hdata->regs_hdmiphy);
2090 put_device(&hdata->ddc_adpt->dev);
2092 mutex_destroy(&hdata->mutex);
2095 static int __maybe_unused exynos_hdmi_suspend(struct device *dev)
2097 struct hdmi_context *hdata = dev_get_drvdata(dev);
2099 hdmi_clk_disable_gates(hdata);
2104 static int __maybe_unused exynos_hdmi_resume(struct device *dev)
2106 struct hdmi_context *hdata = dev_get_drvdata(dev);
2109 ret = hdmi_clk_enable_gates(hdata);
2116 static const struct dev_pm_ops exynos_hdmi_pm_ops = {
2117 SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL)
2118 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
2119 pm_runtime_force_resume)
2122 struct platform_driver hdmi_driver = {
2123 .probe = hdmi_probe,
2124 .remove_new = hdmi_remove,
2126 .name = "exynos-hdmi",
2127 .pm = &exynos_hdmi_pm_ops,
2128 .of_match_table = hdmi_match_types,