1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2011 Samsung Electronics Co.Ltd
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>
24 #include <linux/of_address.h>
25 #include <linux/of_device.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>
42 #include "exynos_drm_crtc.h"
43 #include "regs-hdmi.h"
45 #define HOTPLUG_DEBOUNCE_MS 1100
53 #define HDMI_MAPPED_BASE 0xffff0000
55 enum hdmi_mapped_regs {
56 HDMI_PHY_STATUS = HDMI_MAPPED_BASE,
64 static const u32 hdmi_reg_map[][HDMI_TYPE_COUNT] = {
65 { HDMI_V13_PHY_STATUS, HDMI_PHY_STATUS_0 },
66 { HDMI_V13_PHY_RSTOUT, HDMI_V14_PHY_RSTOUT },
67 { HDMI_V13_ACR_CON, HDMI_V14_ACR_CON },
68 { HDMI_V13_ACR_MCTS0, HDMI_V14_ACR_MCTS0 },
69 { HDMI_V13_ACR_CTS0, HDMI_V14_ACR_CTS0 },
70 { HDMI_V13_ACR_N0, HDMI_V14_ACR_N0 },
73 static const char * const supply[] = {
79 struct hdmiphy_config {
84 struct hdmiphy_configs {
86 const struct hdmiphy_config *data;
89 struct string_array_spec {
91 const char * const *data;
94 #define INIT_ARRAY_SPEC(a) { .count = ARRAY_SIZE(a), .data = a }
96 struct hdmi_driver_data {
98 unsigned int is_apb_phy:1;
99 unsigned int has_sysreg:1;
100 struct hdmiphy_configs phy_confs;
101 struct string_array_spec clk_gates;
103 * Array of triplets (p_off, p_on, clock), where p_off and p_on are
104 * required parents of clock when HDMI-PHY is respectively off or on.
106 struct string_array_spec clk_muxes;
110 struct platform_device *pdev;
111 struct hdmi_audio_infoframe infoframe;
112 struct hdmi_codec_params params;
116 struct hdmi_context {
117 struct drm_encoder encoder;
119 struct drm_device *drm_dev;
120 struct drm_connector connector;
122 struct delayed_work hotplug_work;
123 struct cec_notifier *notifier;
124 const struct hdmi_driver_data *drv_data;
127 void __iomem *regs_hdmiphy;
128 struct i2c_client *hdmiphy_port;
129 struct i2c_adapter *ddc_adpt;
130 struct gpio_desc *hpd_gpio;
132 struct regmap *pmureg;
133 struct regmap *sysreg;
134 struct clk **clk_gates;
135 struct clk **clk_muxes;
136 struct regulator_bulk_data regul_bulk[ARRAY_SIZE(supply)];
137 struct regulator *reg_hdmi_en;
138 struct exynos_drm_clk phy_clk;
139 struct drm_bridge *bridge;
141 /* mutex protecting subsequent fields below */
143 struct hdmi_audio audio;
147 static inline struct hdmi_context *encoder_to_hdmi(struct drm_encoder *e)
149 return container_of(e, struct hdmi_context, encoder);
152 static inline struct hdmi_context *connector_to_hdmi(struct drm_connector *c)
154 return container_of(c, struct hdmi_context, connector);
157 static const struct hdmiphy_config hdmiphy_v13_configs[] = {
159 .pixel_clock = 27000000,
161 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
162 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
163 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
164 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
168 .pixel_clock = 27027000,
170 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
171 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
172 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
173 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
177 .pixel_clock = 74176000,
179 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B,
180 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9,
181 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
182 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x80,
186 .pixel_clock = 74250000,
188 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40,
189 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba,
190 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0,
191 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x80,
195 .pixel_clock = 148500000,
197 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40,
198 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba,
199 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
200 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x80,
205 static const struct hdmiphy_config hdmiphy_v14_configs[] = {
207 .pixel_clock = 25200000,
209 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08,
210 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80,
211 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
212 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
216 .pixel_clock = 27000000,
218 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20,
219 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80,
220 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
221 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
225 .pixel_clock = 27027000,
227 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08,
228 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
229 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
230 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
234 .pixel_clock = 36000000,
236 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08,
237 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
238 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
239 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
243 .pixel_clock = 40000000,
245 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08,
246 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80,
247 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
248 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
252 .pixel_clock = 65000000,
254 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08,
255 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80,
256 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
257 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
261 .pixel_clock = 71000000,
263 0x01, 0xd1, 0x3b, 0x35, 0x40, 0x0c, 0x04, 0x08,
264 0x85, 0xa0, 0x63, 0xd9, 0x45, 0xa0, 0xac, 0x80,
265 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
266 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
270 .pixel_clock = 73250000,
272 0x01, 0xd1, 0x3d, 0x35, 0x40, 0x18, 0x02, 0x08,
273 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
274 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
275 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
279 .pixel_clock = 74176000,
281 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08,
282 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80,
283 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
284 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
288 .pixel_clock = 74250000,
290 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08,
291 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
292 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
293 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
297 .pixel_clock = 83500000,
299 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08,
300 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80,
301 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
302 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
306 .pixel_clock = 85500000,
308 0x01, 0xd1, 0x24, 0x11, 0x40, 0x40, 0xd0, 0x08,
309 0x84, 0xa0, 0xd6, 0xd8, 0x45, 0xa0, 0xac, 0x80,
310 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
311 0x54, 0x90, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
315 .pixel_clock = 106500000,
317 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08,
318 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
319 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
320 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
324 .pixel_clock = 108000000,
326 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08,
327 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
328 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
329 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
333 .pixel_clock = 115500000,
335 0x01, 0xd1, 0x30, 0x12, 0x40, 0x40, 0x10, 0x08,
336 0x80, 0x80, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80,
337 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
338 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
342 .pixel_clock = 119000000,
344 0x01, 0xd1, 0x32, 0x1a, 0x40, 0x30, 0xd8, 0x08,
345 0x04, 0xa0, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
346 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
347 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
351 .pixel_clock = 146250000,
353 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08,
354 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
355 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
356 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
360 .pixel_clock = 148500000,
362 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08,
363 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
364 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
365 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
370 static const struct hdmiphy_config hdmiphy_5420_configs[] = {
372 .pixel_clock = 25200000,
374 0x01, 0x52, 0x3F, 0x55, 0x40, 0x01, 0x00, 0xC8,
375 0x82, 0xC8, 0xBD, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
376 0x06, 0x80, 0x01, 0x84, 0x05, 0x02, 0x24, 0x66,
377 0x54, 0xF4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
381 .pixel_clock = 27000000,
383 0x01, 0xD1, 0x22, 0x51, 0x40, 0x08, 0xFC, 0xE0,
384 0x98, 0xE8, 0xCB, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
385 0x06, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
386 0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
390 .pixel_clock = 27027000,
392 0x01, 0xD1, 0x2D, 0x72, 0x40, 0x64, 0x12, 0xC8,
393 0x43, 0xE8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
394 0x26, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
395 0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
399 .pixel_clock = 36000000,
401 0x01, 0x51, 0x2D, 0x55, 0x40, 0x40, 0x00, 0xC8,
402 0x02, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
403 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
404 0x54, 0xAB, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
408 .pixel_clock = 40000000,
410 0x01, 0xD1, 0x21, 0x31, 0x40, 0x3C, 0x28, 0xC8,
411 0x87, 0xE8, 0xC8, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
412 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
413 0x54, 0x9A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
417 .pixel_clock = 65000000,
419 0x01, 0xD1, 0x36, 0x34, 0x40, 0x0C, 0x04, 0xC8,
420 0x82, 0xE8, 0x45, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
421 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
422 0x54, 0xBD, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
426 .pixel_clock = 71000000,
428 0x01, 0xD1, 0x3B, 0x35, 0x40, 0x0C, 0x04, 0xC8,
429 0x85, 0xE8, 0x63, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
430 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
431 0x54, 0x57, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
435 .pixel_clock = 73250000,
437 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x78, 0x8D, 0xC8,
438 0x81, 0xE8, 0xB7, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
439 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
440 0x54, 0xA8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
444 .pixel_clock = 74176000,
446 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0xC8,
447 0x81, 0xE8, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
448 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
449 0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
453 .pixel_clock = 74250000,
455 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08,
456 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
457 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
458 0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
462 .pixel_clock = 83500000,
464 0x01, 0xD1, 0x23, 0x11, 0x40, 0x0C, 0xFB, 0xC8,
465 0x85, 0xE8, 0xD1, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
466 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
467 0x54, 0x4A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
471 .pixel_clock = 88750000,
473 0x01, 0xD1, 0x25, 0x11, 0x40, 0x18, 0xFF, 0xC8,
474 0x83, 0xE8, 0xDE, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
475 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
476 0x54, 0x45, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
480 .pixel_clock = 106500000,
482 0x01, 0xD1, 0x2C, 0x12, 0x40, 0x0C, 0x09, 0xC8,
483 0x84, 0xE8, 0x0A, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
484 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
485 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
489 .pixel_clock = 108000000,
491 0x01, 0x51, 0x2D, 0x15, 0x40, 0x01, 0x00, 0xC8,
492 0x82, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
493 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
494 0x54, 0xC7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
498 .pixel_clock = 115500000,
500 0x01, 0xD1, 0x30, 0x14, 0x40, 0x0C, 0x03, 0xC8,
501 0x88, 0xE8, 0x21, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
502 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
503 0x54, 0x6A, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
507 .pixel_clock = 146250000,
509 0x01, 0xD1, 0x3D, 0x15, 0x40, 0x18, 0xFD, 0xC8,
510 0x83, 0xE8, 0x6E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
511 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
512 0x54, 0x54, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
516 .pixel_clock = 148500000,
518 0x01, 0xD1, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08,
519 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
520 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
521 0x54, 0x4B, 0x25, 0x03, 0x00, 0x80, 0x01, 0x80,
526 static const struct hdmiphy_config hdmiphy_5433_configs[] = {
528 .pixel_clock = 27000000,
530 0x01, 0x51, 0x2d, 0x75, 0x01, 0x00, 0x88, 0x02,
531 0x72, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac,
532 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
533 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
537 .pixel_clock = 27027000,
539 0x01, 0x51, 0x2d, 0x72, 0x64, 0x09, 0x88, 0xc3,
540 0x71, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac,
541 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
542 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
546 .pixel_clock = 40000000,
548 0x01, 0x51, 0x32, 0x55, 0x01, 0x00, 0x88, 0x02,
549 0x4d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
550 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
551 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
555 .pixel_clock = 50000000,
557 0x01, 0x51, 0x34, 0x40, 0x64, 0x09, 0x88, 0xc3,
558 0x3d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
559 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
560 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
564 .pixel_clock = 65000000,
566 0x01, 0x51, 0x36, 0x31, 0x40, 0x10, 0x04, 0xc6,
567 0x2e, 0xe8, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
568 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
569 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
573 .pixel_clock = 74176000,
575 0x01, 0x51, 0x3E, 0x35, 0x5B, 0xDE, 0x88, 0x42,
576 0x53, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
577 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
578 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
582 .pixel_clock = 74250000,
584 0x01, 0x51, 0x3E, 0x35, 0x40, 0xF0, 0x88, 0xC2,
585 0x52, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
586 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
587 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
591 .pixel_clock = 108000000,
593 0x01, 0x51, 0x2d, 0x15, 0x01, 0x00, 0x88, 0x02,
594 0x72, 0x52, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
595 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
596 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
600 .pixel_clock = 148500000,
602 0x01, 0x51, 0x1f, 0x00, 0x40, 0xf8, 0x88, 0xc1,
603 0x52, 0x52, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5,
604 0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
605 0x08, 0x10, 0x01, 0x01, 0x48, 0x4a, 0x00, 0x40,
609 .pixel_clock = 297000000,
611 0x01, 0x51, 0x3E, 0x05, 0x40, 0xF0, 0x88, 0xC2,
612 0x52, 0x53, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
613 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
614 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
619 static const char * const hdmi_clk_gates4[] = {
623 static const char * const hdmi_clk_muxes4[] = {
624 "sclk_pixel", "sclk_hdmiphy", "mout_hdmi"
627 static const char * const hdmi_clk_gates5433[] = {
628 "hdmi_pclk", "hdmi_i_pclk", "i_tmds_clk", "i_pixel_clk", "i_spdif_clk"
631 static const char * const hdmi_clk_muxes5433[] = {
632 "oscclk", "tmds_clko", "tmds_clko_user",
633 "oscclk", "pixel_clko", "pixel_clko_user"
636 static const struct hdmi_driver_data exynos4210_hdmi_driver_data = {
638 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v13_configs),
639 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
640 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
643 static const struct hdmi_driver_data exynos4212_hdmi_driver_data = {
645 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v14_configs),
646 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
647 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
650 static const struct hdmi_driver_data exynos5420_hdmi_driver_data = {
653 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5420_configs),
654 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
655 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
658 static const struct hdmi_driver_data exynos5433_hdmi_driver_data = {
662 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5433_configs),
663 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates5433),
664 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes5433),
667 static inline u32 hdmi_map_reg(struct hdmi_context *hdata, u32 reg_id)
669 if ((reg_id & 0xffff0000) == HDMI_MAPPED_BASE)
670 return hdmi_reg_map[reg_id & 0xffff][hdata->drv_data->type];
674 static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id)
676 return readl(hdata->regs + hdmi_map_reg(hdata, reg_id));
679 static inline void hdmi_reg_writeb(struct hdmi_context *hdata,
680 u32 reg_id, u8 value)
682 writel(value, hdata->regs + hdmi_map_reg(hdata, reg_id));
685 static inline void hdmi_reg_writev(struct hdmi_context *hdata, u32 reg_id,
688 reg_id = hdmi_map_reg(hdata, reg_id);
690 while (--bytes >= 0) {
691 writel(val & 0xff, hdata->regs + reg_id);
697 static inline void hdmi_reg_write_buf(struct hdmi_context *hdata, u32 reg_id,
700 for (reg_id = hdmi_map_reg(hdata, reg_id); size; --size, reg_id += 4)
701 writel(*buf++, hdata->regs + reg_id);
704 static inline void hdmi_reg_writemask(struct hdmi_context *hdata,
705 u32 reg_id, u32 value, u32 mask)
709 reg_id = hdmi_map_reg(hdata, reg_id);
710 old = readl(hdata->regs + reg_id);
711 value = (value & mask) | (old & ~mask);
712 writel(value, hdata->regs + reg_id);
715 static int hdmiphy_reg_write_buf(struct hdmi_context *hdata,
716 u32 reg_offset, const u8 *buf, u32 len)
718 if ((reg_offset + len) > 32)
721 if (hdata->hdmiphy_port) {
724 ret = i2c_master_send(hdata->hdmiphy_port, buf, len);
730 for (i = 0; i < len; i++)
731 writel(buf[i], hdata->regs_hdmiphy +
732 ((reg_offset + i)<<2));
737 static int hdmi_clk_enable_gates(struct hdmi_context *hdata)
741 for (i = 0; i < hdata->drv_data->clk_gates.count; ++i) {
742 ret = clk_prepare_enable(hdata->clk_gates[i]);
746 dev_err(hdata->dev, "Cannot enable clock '%s', %d\n",
747 hdata->drv_data->clk_gates.data[i], ret);
749 clk_disable_unprepare(hdata->clk_gates[i]);
756 static void hdmi_clk_disable_gates(struct hdmi_context *hdata)
758 int i = hdata->drv_data->clk_gates.count;
761 clk_disable_unprepare(hdata->clk_gates[i]);
764 static int hdmi_clk_set_parents(struct hdmi_context *hdata, bool to_phy)
766 struct device *dev = hdata->dev;
770 for (i = 0; i < hdata->drv_data->clk_muxes.count; i += 3) {
771 struct clk **c = &hdata->clk_muxes[i];
773 ret = clk_set_parent(c[2], c[to_phy]);
777 dev_err(dev, "Cannot set clock parent of '%s' to '%s', %d\n",
778 hdata->drv_data->clk_muxes.data[i + 2],
779 hdata->drv_data->clk_muxes.data[i + to_phy], ret);
785 static int hdmi_audio_infoframe_apply(struct hdmi_context *hdata)
787 struct hdmi_audio_infoframe *infoframe = &hdata->audio.infoframe;
788 u8 buf[HDMI_INFOFRAME_SIZE(AUDIO)];
791 len = hdmi_audio_infoframe_pack(infoframe, buf, sizeof(buf));
795 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_EVERY_VSYNC);
796 hdmi_reg_write_buf(hdata, HDMI_AUI_HEADER0, buf, len);
801 static void hdmi_reg_infoframes(struct hdmi_context *hdata)
803 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
804 union hdmi_infoframe frm;
808 if (hdata->dvi_mode) {
809 hdmi_reg_writeb(hdata, HDMI_AVI_CON,
810 HDMI_AVI_CON_DO_NOT_TRANSMIT);
811 hdmi_reg_writeb(hdata, HDMI_VSI_CON,
812 HDMI_VSI_CON_DO_NOT_TRANSMIT);
813 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN);
817 ret = drm_hdmi_avi_infoframe_from_display_mode(&frm.avi,
818 &hdata->connector, m);
820 ret = hdmi_avi_infoframe_pack(&frm.avi, buf, sizeof(buf));
822 hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC);
823 hdmi_reg_write_buf(hdata, HDMI_AVI_HEADER0, buf, ret);
825 DRM_INFO("%s: invalid AVI infoframe (%d)\n", __func__, ret);
828 ret = drm_hdmi_vendor_infoframe_from_display_mode(&frm.vendor.hdmi,
829 &hdata->connector, m);
831 ret = hdmi_vendor_infoframe_pack(&frm.vendor.hdmi, buf,
834 hdmi_reg_writeb(hdata, HDMI_VSI_CON, HDMI_VSI_CON_EVERY_VSYNC);
835 hdmi_reg_write_buf(hdata, HDMI_VSI_HEADER0, buf, 3);
836 hdmi_reg_write_buf(hdata, HDMI_VSI_DATA(0), buf + 3, ret - 3);
839 hdmi_audio_infoframe_apply(hdata);
842 static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
845 struct hdmi_context *hdata = connector_to_hdmi(connector);
847 if (gpiod_get_value(hdata->hpd_gpio))
848 return connector_status_connected;
850 cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
851 return connector_status_disconnected;
854 static void hdmi_connector_destroy(struct drm_connector *connector)
856 struct hdmi_context *hdata = connector_to_hdmi(connector);
858 cec_notifier_conn_unregister(hdata->notifier);
860 drm_connector_unregister(connector);
861 drm_connector_cleanup(connector);
864 static const struct drm_connector_funcs hdmi_connector_funcs = {
865 .fill_modes = drm_helper_probe_single_connector_modes,
866 .detect = hdmi_detect,
867 .destroy = hdmi_connector_destroy,
868 .reset = drm_atomic_helper_connector_reset,
869 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
870 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
873 static int hdmi_get_modes(struct drm_connector *connector)
875 struct hdmi_context *hdata = connector_to_hdmi(connector);
879 if (!hdata->ddc_adpt)
882 edid = drm_get_edid(connector, hdata->ddc_adpt);
886 hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
887 DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n",
888 (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
889 edid->width_cm, edid->height_cm);
891 drm_connector_update_edid_property(connector, edid);
892 cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid);
894 ret = drm_add_edid_modes(connector, edid);
901 static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
903 const struct hdmiphy_configs *confs = &hdata->drv_data->phy_confs;
906 for (i = 0; i < confs->count; i++)
907 if (confs->data[i].pixel_clock == pixel_clock)
910 DRM_DEV_DEBUG_KMS(hdata->dev, "Could not find phy config for %d\n",
915 static int hdmi_mode_valid(struct drm_connector *connector,
916 struct drm_display_mode *mode)
918 struct hdmi_context *hdata = connector_to_hdmi(connector);
921 DRM_DEV_DEBUG_KMS(hdata->dev,
922 "xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
923 mode->hdisplay, mode->vdisplay, mode->vrefresh,
924 (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
925 false, mode->clock * 1000);
927 ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
934 static const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
935 .get_modes = hdmi_get_modes,
936 .mode_valid = hdmi_mode_valid,
939 static int hdmi_create_connector(struct drm_encoder *encoder)
941 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
942 struct drm_connector *connector = &hdata->connector;
943 struct cec_connector_info conn_info;
946 connector->interlace_allowed = true;
947 connector->polled = DRM_CONNECTOR_POLL_HPD;
949 ret = drm_connector_init_with_ddc(hdata->drm_dev, connector,
950 &hdmi_connector_funcs,
951 DRM_MODE_CONNECTOR_HDMIA,
954 DRM_DEV_ERROR(hdata->dev,
955 "Failed to initialize connector with drm\n");
959 drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
960 drm_connector_attach_encoder(connector, encoder);
963 ret = drm_bridge_attach(encoder, hdata->bridge, NULL, 0);
965 DRM_DEV_ERROR(hdata->dev, "Failed to attach bridge\n");
968 cec_fill_conn_info_from_drm(&conn_info, connector);
970 hdata->notifier = cec_notifier_conn_register(hdata->dev, NULL,
972 if (!hdata->notifier) {
974 DRM_DEV_ERROR(hdata->dev, "Failed to allocate CEC notifier\n");
980 static bool hdmi_mode_fixup(struct drm_encoder *encoder,
981 const struct drm_display_mode *mode,
982 struct drm_display_mode *adjusted_mode)
984 struct drm_device *dev = encoder->dev;
985 struct drm_connector *connector;
986 struct drm_display_mode *m;
987 struct drm_connector_list_iter conn_iter;
990 drm_mode_set_crtcinfo(adjusted_mode, 0);
992 drm_connector_list_iter_begin(dev, &conn_iter);
993 drm_for_each_connector_iter(connector, &conn_iter) {
994 if (connector->encoder == encoder)
998 drm_connector_get(connector);
999 drm_connector_list_iter_end(&conn_iter);
1004 mode_ok = hdmi_mode_valid(connector, adjusted_mode);
1006 if (mode_ok == MODE_OK)
1010 * Find the most suitable mode and copy it to adjusted_mode.
1012 list_for_each_entry(m, &connector->modes, head) {
1013 mode_ok = hdmi_mode_valid(connector, m);
1015 if (mode_ok == MODE_OK) {
1016 DRM_INFO("desired mode doesn't exist so\n");
1017 DRM_INFO("use the most suitable mode among modes.\n");
1019 DRM_DEV_DEBUG_KMS(dev->dev,
1020 "Adjusted Mode: [%d]x[%d] [%d]Hz\n",
1021 m->hdisplay, m->vdisplay,
1024 drm_mode_copy(adjusted_mode, m);
1030 drm_connector_put(connector);
1035 static void hdmi_reg_acr(struct hdmi_context *hdata, u32 freq)
1039 cts = (freq % 9) ? 27000 : 30000;
1040 n = 128 * freq / (27000000 / cts);
1042 hdmi_reg_writev(hdata, HDMI_ACR_N0, 3, n);
1043 hdmi_reg_writev(hdata, HDMI_ACR_MCTS0, 3, cts);
1044 hdmi_reg_writev(hdata, HDMI_ACR_CTS0, 3, cts);
1045 hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
1048 static void hdmi_audio_config(struct hdmi_context *hdata)
1054 switch (hdata->audio.params.sample_width) {
1067 hdmi_reg_acr(hdata, hdata->audio.params.sample_rate);
1069 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE
1070 | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE
1071 | HDMI_I2S_MUX_ENABLE);
1073 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN
1074 | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN);
1076 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN);
1077 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS);
1078 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN);
1080 val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01;
1081 hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val);
1083 /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */
1084 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5)
1085 | HDMI_I2S_SEL_LRCK(6));
1087 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(3)
1088 | HDMI_I2S_SEL_SDATA0(4));
1090 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1)
1091 | HDMI_I2S_SEL_SDATA2(2));
1093 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0));
1096 hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE
1097 | HDMI_I2S_L_CH_LOW_POL);
1098 hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE
1099 | HDMI_I2S_SET_BIT_CH(bit_ch)
1100 | HDMI_I2S_SET_SDATA_BIT(data_num)
1101 | HDMI_I2S_BASIC_FORMAT);
1103 /* Configuration of the audio channel status registers */
1104 for (i = 0; i < HDMI_I2S_CH_ST_MAXNUM; i++)
1105 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST(i),
1106 hdata->audio.params.iec.status[i]);
1108 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD);
1111 static void hdmi_audio_control(struct hdmi_context *hdata)
1113 bool enable = !hdata->audio.mute;
1115 if (hdata->dvi_mode)
1118 hdmi_reg_writeb(hdata, HDMI_AUI_CON, enable ?
1119 HDMI_AVI_CON_EVERY_VSYNC : HDMI_AUI_CON_NO_TRAN);
1120 hdmi_reg_writemask(hdata, HDMI_CON_0, enable ?
1121 HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK);
1124 static void hdmi_start(struct hdmi_context *hdata, bool start)
1126 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1127 u32 val = start ? HDMI_TG_EN : 0;
1129 if (m->flags & DRM_MODE_FLAG_INTERLACE)
1130 val |= HDMI_FIELD_EN;
1132 hdmi_reg_writemask(hdata, HDMI_CON_0, val, HDMI_EN);
1133 hdmi_reg_writemask(hdata, HDMI_TG_CMD, val, HDMI_TG_EN | HDMI_FIELD_EN);
1136 static void hdmi_conf_init(struct hdmi_context *hdata)
1138 /* disable HPD interrupts from HDMI IP block, use GPIO instead */
1139 hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
1140 HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
1142 /* choose HDMI mode */
1143 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1144 HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
1145 /* apply video pre-amble and guard band in HDMI mode only */
1146 hdmi_reg_writeb(hdata, HDMI_CON_2, 0);
1147 /* disable bluescreen */
1148 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
1150 if (hdata->dvi_mode) {
1151 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1152 HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
1153 hdmi_reg_writeb(hdata, HDMI_CON_2,
1154 HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
1157 if (hdata->drv_data->type == HDMI_TYPE13) {
1158 /* choose bluescreen (fecal) color */
1159 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
1160 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
1161 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56);
1163 /* enable AVI packet every vsync, fixes purple line problem */
1164 hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02);
1165 /* force RGB, look to CEA-861-D, table 7 for more detail */
1166 hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5);
1167 hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5);
1169 hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02);
1170 hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02);
1171 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04);
1173 hdmi_reg_infoframes(hdata);
1175 /* enable AVI packet every vsync, fixes purple line problem */
1176 hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5);
1180 static void hdmiphy_wait_for_pll(struct hdmi_context *hdata)
1184 for (tries = 0; tries < 10; ++tries) {
1185 u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS);
1187 if (val & HDMI_PHY_STATUS_READY) {
1188 DRM_DEV_DEBUG_KMS(hdata->dev,
1189 "PLL stabilized after %d tries\n",
1193 usleep_range(10, 20);
1196 DRM_DEV_ERROR(hdata->dev, "PLL could not reach steady state\n");
1199 static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
1201 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1204 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1205 hdmi_reg_writev(hdata, HDMI_V13_H_V_LINE_0, 3,
1206 (m->htotal << 12) | m->vtotal);
1208 val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
1209 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, val);
1211 val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
1212 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, val);
1214 val = (m->hsync_start - m->hdisplay - 2);
1215 val |= ((m->hsync_end - m->hdisplay - 2) << 10);
1216 val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
1217 hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val);
1220 * Quirk requirement for exynos HDMI IP design,
1221 * 2 pixels less than the actual calculation for hsync_start
1225 /* Following values & calculations differ for different type of modes */
1226 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1227 val = ((m->vsync_end - m->vdisplay) / 2);
1228 val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
1229 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1231 val = m->vtotal / 2;
1232 val |= ((m->vtotal - m->vdisplay) / 2) << 11;
1233 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1236 ((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
1237 val |= m->vtotal << 11;
1238 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, val);
1240 val = ((m->vtotal / 2) + 7);
1241 val |= ((m->vtotal / 2) + 2) << 12;
1242 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, val);
1244 val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
1245 val |= ((m->htotal / 2) +
1246 (m->hsync_start - m->hdisplay)) << 12;
1247 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, val);
1249 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1250 (m->vtotal - m->vdisplay) / 2);
1251 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1253 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249);
1256 val |= (m->vtotal - m->vdisplay) << 11;
1257 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1259 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, 0);
1261 val = (m->vsync_end - m->vdisplay);
1262 val |= ((m->vsync_start - m->vdisplay) << 12);
1263 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1265 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, 0x1001);
1266 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, 0x1001);
1267 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1268 m->vtotal - m->vdisplay);
1269 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1272 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1273 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
1274 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
1275 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1278 static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
1280 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1281 struct drm_display_mode *am =
1282 &hdata->encoder.crtc->state->adjusted_mode;
1286 * In case video mode coming from CRTC differs from requested one HDMI
1287 * sometimes is able to almost properly perform conversion - only
1288 * first line is distorted.
1290 if ((m->vdisplay != am->vdisplay) &&
1291 (m->hdisplay == 1280 || m->hdisplay == 1024 || m->hdisplay == 1366))
1294 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1295 hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal);
1296 hdmi_reg_writev(hdata, HDMI_H_LINE_0, 2, m->htotal);
1297 hdmi_reg_writev(hdata, HDMI_HSYNC_POL, 1,
1298 (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
1299 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1,
1300 (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
1301 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1,
1302 (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
1305 * Quirk requirement for exynos 5 HDMI IP design,
1306 * 2 pixels less than the actual calculation for hsync_start
1310 /* Following values & calculations differ for different type of modes */
1311 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1312 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1313 (m->vsync_end - m->vdisplay) / 2);
1314 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1315 (m->vsync_start - m->vdisplay) / 2);
1316 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal / 2);
1317 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1318 (m->vtotal - m->vdisplay) / 2);
1319 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2,
1320 m->vtotal - m->vdisplay / 2);
1321 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, m->vtotal);
1322 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2,
1323 (m->vtotal / 2) + 7);
1324 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2,
1325 (m->vtotal / 2) + 2);
1326 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2,
1327 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1328 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2,
1329 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1330 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1331 (m->vtotal - m->vdisplay) / 2);
1332 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1333 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2,
1334 m->vtotal - m->vdisplay / 2);
1335 hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2,
1336 (m->vtotal / 2) + 1);
1337 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2,
1338 (m->vtotal / 2) + 1);
1339 hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2,
1340 (m->vtotal / 2) + 1);
1341 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x0);
1342 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x0);
1344 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1345 m->vsync_end - m->vdisplay);
1346 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1347 m->vsync_start - m->vdisplay);
1348 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal);
1349 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1350 m->vtotal - m->vdisplay);
1351 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2, 0xffff);
1352 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, 0xffff);
1353 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2, 0xffff);
1354 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2, 0xffff);
1355 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2, 0xffff);
1356 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2, 0xffff);
1357 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1358 m->vtotal - m->vdisplay);
1359 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1362 hdmi_reg_writev(hdata, HDMI_H_SYNC_START_0, 2,
1363 m->hsync_start - m->hdisplay - 2);
1364 hdmi_reg_writev(hdata, HDMI_H_SYNC_END_0, 2,
1365 m->hsync_end - m->hdisplay - 2);
1366 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_1_0, 2, 0xffff);
1367 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_2_0, 2, 0xffff);
1368 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_3_0, 2, 0xffff);
1369 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_4_0, 2, 0xffff);
1370 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_5_0, 2, 0xffff);
1371 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_6_0, 2, 0xffff);
1372 hdmi_reg_writev(hdata, HDMI_V_BLANK_F2_0, 2, 0xffff);
1373 hdmi_reg_writev(hdata, HDMI_V_BLANK_F3_0, 2, 0xffff);
1374 hdmi_reg_writev(hdata, HDMI_V_BLANK_F4_0, 2, 0xffff);
1375 hdmi_reg_writev(hdata, HDMI_V_BLANK_F5_0, 2, 0xffff);
1376 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_3_0, 2, 0xffff);
1377 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_4_0, 2, 0xffff);
1378 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_5_0, 2, 0xffff);
1379 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_6_0, 2, 0xffff);
1380 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, 2, 0xffff);
1381 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, 2, 0xffff);
1382 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 2, 0xffff);
1383 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff);
1385 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1386 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2,
1387 m->htotal - m->hdisplay - hquirk);
1388 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay + hquirk);
1389 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1390 if (hdata->drv_data == &exynos5433_hdmi_driver_data)
1391 hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1);
1394 static void hdmi_mode_apply(struct hdmi_context *hdata)
1396 if (hdata->drv_data->type == HDMI_TYPE13)
1397 hdmi_v13_mode_apply(hdata);
1399 hdmi_v14_mode_apply(hdata);
1401 hdmi_start(hdata, true);
1404 static void hdmiphy_conf_reset(struct hdmi_context *hdata)
1406 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, 0, 1);
1407 usleep_range(10000, 12000);
1408 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, ~0, 1);
1409 usleep_range(10000, 12000);
1410 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
1411 usleep_range(10000, 12000);
1412 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT);
1413 usleep_range(10000, 12000);
1416 static void hdmiphy_enable_mode_set(struct hdmi_context *hdata, bool enable)
1418 u8 v = enable ? HDMI_PHY_ENABLE_MODE_SET : HDMI_PHY_DISABLE_MODE_SET;
1420 if (hdata->drv_data == &exynos5433_hdmi_driver_data)
1421 writel(v, hdata->regs_hdmiphy + HDMIPHY5433_MODE_SET_DONE);
1424 static void hdmiphy_conf_apply(struct hdmi_context *hdata)
1426 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1430 ret = hdmi_find_phy_conf(hdata, m->clock * 1000);
1432 DRM_DEV_ERROR(hdata->dev, "failed to find hdmiphy conf\n");
1435 phy_conf = hdata->drv_data->phy_confs.data[ret].conf;
1437 hdmi_clk_set_parents(hdata, false);
1439 hdmiphy_conf_reset(hdata);
1441 hdmiphy_enable_mode_set(hdata, true);
1442 ret = hdmiphy_reg_write_buf(hdata, 0, phy_conf, 32);
1444 DRM_DEV_ERROR(hdata->dev, "failed to configure hdmiphy\n");
1447 hdmiphy_enable_mode_set(hdata, false);
1448 hdmi_clk_set_parents(hdata, true);
1449 usleep_range(10000, 12000);
1450 hdmiphy_wait_for_pll(hdata);
1453 /* Should be called with hdata->mutex mutex held */
1454 static void hdmi_conf_apply(struct hdmi_context *hdata)
1456 hdmi_start(hdata, false);
1457 hdmi_conf_init(hdata);
1458 hdmi_audio_config(hdata);
1459 hdmi_mode_apply(hdata);
1460 hdmi_audio_control(hdata);
1463 static void hdmi_set_refclk(struct hdmi_context *hdata, bool on)
1468 regmap_update_bits(hdata->sysreg, EXYNOS5433_SYSREG_DISP_HDMI_PHY,
1469 SYSREG_HDMI_REFCLK_INT_CLK, on ? ~0 : 0);
1472 /* Should be called with hdata->mutex mutex held. */
1473 static void hdmiphy_enable(struct hdmi_context *hdata)
1478 pm_runtime_get_sync(hdata->dev);
1480 if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk))
1481 DRM_DEV_DEBUG_KMS(hdata->dev,
1482 "failed to enable regulator bulk\n");
1484 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1485 PMU_HDMI_PHY_ENABLE_BIT, 1);
1487 hdmi_set_refclk(hdata, true);
1489 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN);
1491 hdmiphy_conf_apply(hdata);
1493 hdata->powered = true;
1496 /* Should be called with hdata->mutex mutex held. */
1497 static void hdmiphy_disable(struct hdmi_context *hdata)
1499 if (!hdata->powered)
1502 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
1504 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN);
1506 hdmi_set_refclk(hdata, false);
1508 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1509 PMU_HDMI_PHY_ENABLE_BIT, 0);
1511 regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk);
1513 pm_runtime_put_sync(hdata->dev);
1515 hdata->powered = false;
1518 static void hdmi_enable(struct drm_encoder *encoder)
1520 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1522 mutex_lock(&hdata->mutex);
1524 hdmiphy_enable(hdata);
1525 hdmi_conf_apply(hdata);
1527 mutex_unlock(&hdata->mutex);
1530 static void hdmi_disable(struct drm_encoder *encoder)
1532 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1534 mutex_lock(&hdata->mutex);
1536 if (hdata->powered) {
1538 * The SFRs of VP and Mixer are updated by Vertical Sync of
1539 * Timing generator which is a part of HDMI so the sequence
1540 * to disable TV Subsystem should be as following,
1541 * VP -> Mixer -> HDMI
1543 * To achieve such sequence HDMI is disabled together with
1544 * HDMI PHY, via pipe clock callback.
1546 mutex_unlock(&hdata->mutex);
1547 cancel_delayed_work(&hdata->hotplug_work);
1548 if (hdata->notifier)
1549 cec_notifier_phys_addr_invalidate(hdata->notifier);
1553 mutex_unlock(&hdata->mutex);
1556 static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
1557 .mode_fixup = hdmi_mode_fixup,
1558 .enable = hdmi_enable,
1559 .disable = hdmi_disable,
1562 static const struct drm_encoder_funcs exynos_hdmi_encoder_funcs = {
1563 .destroy = drm_encoder_cleanup,
1566 static void hdmi_audio_shutdown(struct device *dev, void *data)
1568 struct hdmi_context *hdata = dev_get_drvdata(dev);
1570 mutex_lock(&hdata->mutex);
1572 hdata->audio.mute = true;
1575 hdmi_audio_control(hdata);
1577 mutex_unlock(&hdata->mutex);
1580 static int hdmi_audio_hw_params(struct device *dev, void *data,
1581 struct hdmi_codec_daifmt *daifmt,
1582 struct hdmi_codec_params *params)
1584 struct hdmi_context *hdata = dev_get_drvdata(dev);
1586 if (daifmt->fmt != HDMI_I2S || daifmt->bit_clk_inv ||
1587 daifmt->frame_clk_inv || daifmt->bit_clk_master ||
1588 daifmt->frame_clk_master) {
1589 dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__,
1590 daifmt->bit_clk_inv, daifmt->frame_clk_inv,
1591 daifmt->bit_clk_master,
1592 daifmt->frame_clk_master);
1596 mutex_lock(&hdata->mutex);
1598 hdata->audio.params = *params;
1600 if (hdata->powered) {
1601 hdmi_audio_config(hdata);
1602 hdmi_audio_infoframe_apply(hdata);
1605 mutex_unlock(&hdata->mutex);
1610 static int hdmi_audio_digital_mute(struct device *dev, void *data, bool mute)
1612 struct hdmi_context *hdata = dev_get_drvdata(dev);
1614 mutex_lock(&hdata->mutex);
1616 hdata->audio.mute = mute;
1619 hdmi_audio_control(hdata);
1621 mutex_unlock(&hdata->mutex);
1626 static int hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf,
1629 struct hdmi_context *hdata = dev_get_drvdata(dev);
1630 struct drm_connector *connector = &hdata->connector;
1632 memcpy(buf, connector->eld, min(sizeof(connector->eld), len));
1637 static const struct hdmi_codec_ops audio_codec_ops = {
1638 .hw_params = hdmi_audio_hw_params,
1639 .audio_shutdown = hdmi_audio_shutdown,
1640 .digital_mute = hdmi_audio_digital_mute,
1641 .get_eld = hdmi_audio_get_eld,
1644 static int hdmi_register_audio_device(struct hdmi_context *hdata)
1646 struct hdmi_codec_pdata codec_data = {
1647 .ops = &audio_codec_ops,
1648 .max_i2s_channels = 6,
1652 hdata->audio.pdev = platform_device_register_data(
1653 hdata->dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_AUTO,
1654 &codec_data, sizeof(codec_data));
1656 return PTR_ERR_OR_ZERO(hdata->audio.pdev);
1659 static void hdmi_hotplug_work_func(struct work_struct *work)
1661 struct hdmi_context *hdata;
1663 hdata = container_of(work, struct hdmi_context, hotplug_work.work);
1666 drm_helper_hpd_irq_event(hdata->drm_dev);
1669 static irqreturn_t hdmi_irq_thread(int irq, void *arg)
1671 struct hdmi_context *hdata = arg;
1673 mod_delayed_work(system_wq, &hdata->hotplug_work,
1674 msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
1679 static int hdmi_clks_get(struct hdmi_context *hdata,
1680 const struct string_array_spec *names,
1683 struct device *dev = hdata->dev;
1686 for (i = 0; i < names->count; ++i) {
1687 struct clk *clk = devm_clk_get(dev, names->data[i]);
1690 int ret = PTR_ERR(clk);
1692 dev_err(dev, "Cannot get clock %s, %d\n",
1693 names->data[i], ret);
1704 static int hdmi_clk_init(struct hdmi_context *hdata)
1706 const struct hdmi_driver_data *drv_data = hdata->drv_data;
1707 int count = drv_data->clk_gates.count + drv_data->clk_muxes.count;
1708 struct device *dev = hdata->dev;
1715 clks = devm_kcalloc(dev, count, sizeof(*clks), GFP_KERNEL);
1719 hdata->clk_gates = clks;
1720 hdata->clk_muxes = clks + drv_data->clk_gates.count;
1722 ret = hdmi_clks_get(hdata, &drv_data->clk_gates, hdata->clk_gates);
1726 return hdmi_clks_get(hdata, &drv_data->clk_muxes, hdata->clk_muxes);
1730 static void hdmiphy_clk_enable(struct exynos_drm_clk *clk, bool enable)
1732 struct hdmi_context *hdata = container_of(clk, struct hdmi_context,
1734 mutex_lock(&hdata->mutex);
1737 hdmiphy_enable(hdata);
1739 hdmiphy_disable(hdata);
1741 mutex_unlock(&hdata->mutex);
1744 static int hdmi_bridge_init(struct hdmi_context *hdata)
1746 struct device *dev = hdata->dev;
1747 struct device_node *ep, *np;
1749 ep = of_graph_get_endpoint_by_regs(dev->of_node, 1, -1);
1753 np = of_graph_get_remote_port_parent(ep);
1756 DRM_DEV_ERROR(dev, "failed to get remote port parent");
1760 hdata->bridge = of_drm_find_bridge(np);
1764 return -EPROBE_DEFER;
1769 static int hdmi_resources_init(struct hdmi_context *hdata)
1771 struct device *dev = hdata->dev;
1774 DRM_DEV_DEBUG_KMS(dev, "HDMI resource init\n");
1776 hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN);
1777 if (IS_ERR(hdata->hpd_gpio)) {
1778 DRM_DEV_ERROR(dev, "cannot get hpd gpio property\n");
1779 return PTR_ERR(hdata->hpd_gpio);
1782 hdata->irq = gpiod_to_irq(hdata->hpd_gpio);
1783 if (hdata->irq < 0) {
1784 DRM_DEV_ERROR(dev, "failed to get GPIO irq\n");
1788 ret = hdmi_clk_init(hdata);
1792 ret = hdmi_clk_set_parents(hdata, false);
1796 for (i = 0; i < ARRAY_SIZE(supply); ++i)
1797 hdata->regul_bulk[i].supply = supply[i];
1799 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
1801 if (ret != -EPROBE_DEFER)
1802 DRM_DEV_ERROR(dev, "failed to get regulators\n");
1806 hdata->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en");
1808 if (PTR_ERR(hdata->reg_hdmi_en) != -ENODEV)
1809 if (IS_ERR(hdata->reg_hdmi_en))
1810 return PTR_ERR(hdata->reg_hdmi_en);
1812 return hdmi_bridge_init(hdata);
1815 static const struct of_device_id hdmi_match_types[] = {
1817 .compatible = "samsung,exynos4210-hdmi",
1818 .data = &exynos4210_hdmi_driver_data,
1820 .compatible = "samsung,exynos4212-hdmi",
1821 .data = &exynos4212_hdmi_driver_data,
1823 .compatible = "samsung,exynos5420-hdmi",
1824 .data = &exynos5420_hdmi_driver_data,
1826 .compatible = "samsung,exynos5433-hdmi",
1827 .data = &exynos5433_hdmi_driver_data,
1832 MODULE_DEVICE_TABLE (of, hdmi_match_types);
1834 static int hdmi_bind(struct device *dev, struct device *master, void *data)
1836 struct drm_device *drm_dev = data;
1837 struct hdmi_context *hdata = dev_get_drvdata(dev);
1838 struct drm_encoder *encoder = &hdata->encoder;
1839 struct exynos_drm_crtc *crtc;
1842 hdata->drm_dev = drm_dev;
1844 hdata->phy_clk.enable = hdmiphy_clk_enable;
1846 drm_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs,
1847 DRM_MODE_ENCODER_TMDS, NULL);
1849 drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
1851 ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_HDMI);
1855 crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI);
1856 crtc->pipe_clk = &hdata->phy_clk;
1858 ret = hdmi_create_connector(encoder);
1860 DRM_DEV_ERROR(dev, "failed to create connector ret = %d\n",
1862 drm_encoder_cleanup(encoder);
1869 static void hdmi_unbind(struct device *dev, struct device *master, void *data)
1873 static const struct component_ops hdmi_component_ops = {
1875 .unbind = hdmi_unbind,
1878 static int hdmi_get_ddc_adapter(struct hdmi_context *hdata)
1880 const char *compatible_str = "samsung,exynos4210-hdmiddc";
1881 struct device_node *np;
1882 struct i2c_adapter *adpt;
1884 np = of_find_compatible_node(NULL, NULL, compatible_str);
1886 np = of_get_next_parent(np);
1888 np = of_parse_phandle(hdata->dev->of_node, "ddc", 0);
1891 DRM_DEV_ERROR(hdata->dev,
1892 "Failed to find ddc node in device tree\n");
1896 adpt = of_find_i2c_adapter_by_node(np);
1900 DRM_INFO("Failed to get ddc i2c adapter by node\n");
1901 return -EPROBE_DEFER;
1904 hdata->ddc_adpt = adpt;
1909 static int hdmi_get_phy_io(struct hdmi_context *hdata)
1911 const char *compatible_str = "samsung,exynos4212-hdmiphy";
1912 struct device_node *np;
1915 np = of_find_compatible_node(NULL, NULL, compatible_str);
1917 np = of_parse_phandle(hdata->dev->of_node, "phy", 0);
1919 DRM_DEV_ERROR(hdata->dev,
1920 "Failed to find hdmiphy node in device tree\n");
1925 if (hdata->drv_data->is_apb_phy) {
1926 hdata->regs_hdmiphy = of_iomap(np, 0);
1927 if (!hdata->regs_hdmiphy) {
1928 DRM_DEV_ERROR(hdata->dev,
1929 "failed to ioremap hdmi phy\n");
1934 hdata->hdmiphy_port = of_find_i2c_device_by_node(np);
1935 if (!hdata->hdmiphy_port) {
1936 DRM_INFO("Failed to get hdmi phy i2c client\n");
1937 ret = -EPROBE_DEFER;
1947 static int hdmi_probe(struct platform_device *pdev)
1949 struct hdmi_audio_infoframe *audio_infoframe;
1950 struct device *dev = &pdev->dev;
1951 struct hdmi_context *hdata;
1952 struct resource *res;
1955 hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
1959 hdata->drv_data = of_device_get_match_data(dev);
1961 platform_set_drvdata(pdev, hdata);
1965 mutex_init(&hdata->mutex);
1967 ret = hdmi_resources_init(hdata);
1969 if (ret != -EPROBE_DEFER)
1970 DRM_DEV_ERROR(dev, "hdmi_resources_init failed\n");
1974 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1975 hdata->regs = devm_ioremap_resource(dev, res);
1976 if (IS_ERR(hdata->regs)) {
1977 ret = PTR_ERR(hdata->regs);
1981 ret = hdmi_get_ddc_adapter(hdata);
1985 ret = hdmi_get_phy_io(hdata);
1989 INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func);
1991 ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
1992 hdmi_irq_thread, IRQF_TRIGGER_RISING |
1993 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1996 DRM_DEV_ERROR(dev, "failed to register hdmi interrupt\n");
2000 hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node,
2001 "samsung,syscon-phandle");
2002 if (IS_ERR(hdata->pmureg)) {
2003 DRM_DEV_ERROR(dev, "syscon regmap lookup failed.\n");
2004 ret = -EPROBE_DEFER;
2008 if (hdata->drv_data->has_sysreg) {
2009 hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
2010 "samsung,sysreg-phandle");
2011 if (IS_ERR(hdata->sysreg)) {
2012 DRM_DEV_ERROR(dev, "sysreg regmap lookup failed.\n");
2013 ret = -EPROBE_DEFER;
2018 if (!IS_ERR(hdata->reg_hdmi_en)) {
2019 ret = regulator_enable(hdata->reg_hdmi_en);
2022 "failed to enable hdmi-en regulator\n");
2027 pm_runtime_enable(dev);
2029 audio_infoframe = &hdata->audio.infoframe;
2030 hdmi_audio_infoframe_init(audio_infoframe);
2031 audio_infoframe->coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
2032 audio_infoframe->sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
2033 audio_infoframe->sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
2034 audio_infoframe->channels = 2;
2036 ret = hdmi_register_audio_device(hdata);
2038 goto err_rpm_disable;
2040 ret = component_add(&pdev->dev, &hdmi_component_ops);
2042 goto err_unregister_audio;
2046 err_unregister_audio:
2047 platform_device_unregister(hdata->audio.pdev);
2050 pm_runtime_disable(dev);
2051 if (!IS_ERR(hdata->reg_hdmi_en))
2052 regulator_disable(hdata->reg_hdmi_en);
2054 if (hdata->hdmiphy_port)
2055 put_device(&hdata->hdmiphy_port->dev);
2056 if (hdata->regs_hdmiphy)
2057 iounmap(hdata->regs_hdmiphy);
2059 put_device(&hdata->ddc_adpt->dev);
2064 static int hdmi_remove(struct platform_device *pdev)
2066 struct hdmi_context *hdata = platform_get_drvdata(pdev);
2068 cancel_delayed_work_sync(&hdata->hotplug_work);
2070 component_del(&pdev->dev, &hdmi_component_ops);
2071 platform_device_unregister(hdata->audio.pdev);
2073 pm_runtime_disable(&pdev->dev);
2075 if (!IS_ERR(hdata->reg_hdmi_en))
2076 regulator_disable(hdata->reg_hdmi_en);
2078 if (hdata->hdmiphy_port)
2079 put_device(&hdata->hdmiphy_port->dev);
2081 if (hdata->regs_hdmiphy)
2082 iounmap(hdata->regs_hdmiphy);
2084 put_device(&hdata->ddc_adpt->dev);
2086 mutex_destroy(&hdata->mutex);
2091 static int __maybe_unused exynos_hdmi_suspend(struct device *dev)
2093 struct hdmi_context *hdata = dev_get_drvdata(dev);
2095 hdmi_clk_disable_gates(hdata);
2100 static int __maybe_unused exynos_hdmi_resume(struct device *dev)
2102 struct hdmi_context *hdata = dev_get_drvdata(dev);
2105 ret = hdmi_clk_enable_gates(hdata);
2112 static const struct dev_pm_ops exynos_hdmi_pm_ops = {
2113 SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL)
2114 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
2115 pm_runtime_force_resume)
2118 struct platform_driver hdmi_driver = {
2119 .probe = hdmi_probe,
2120 .remove = hdmi_remove,
2122 .name = "exynos-hdmi",
2123 .owner = THIS_MODULE,
2124 .pm = &exynos_hdmi_pm_ops,
2125 .of_match_table = hdmi_match_types,