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>
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,
527 static const struct hdmiphy_config hdmiphy_5433_configs[] = {
529 .pixel_clock = 27000000,
531 0x01, 0x51, 0x2d, 0x75, 0x01, 0x00, 0x88, 0x02,
532 0x72, 0x50, 0x44, 0x8c, 0x27, 0x00, 0x7c, 0xac,
533 0xd6, 0x2b, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
534 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
538 .pixel_clock = 27027000,
540 0x01, 0x51, 0x2d, 0x72, 0x64, 0x09, 0x88, 0xc3,
541 0x71, 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 = 40000000,
549 0x01, 0x51, 0x32, 0x55, 0x01, 0x00, 0x88, 0x02,
550 0x4d, 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 = 50000000,
558 0x01, 0x51, 0x34, 0x40, 0x64, 0x09, 0x88, 0xc3,
559 0x3d, 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 = 65000000,
567 0x01, 0x51, 0x36, 0x31, 0x40, 0x10, 0x04, 0xc6,
568 0x2e, 0xe8, 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 = 74176000,
576 0x01, 0x51, 0x3E, 0x35, 0x5B, 0xDE, 0x88, 0x42,
577 0x53, 0x51, 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 = 74250000,
585 0x01, 0x51, 0x3E, 0x35, 0x40, 0xF0, 0x88, 0xC2,
586 0x52, 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 = 108000000,
594 0x01, 0x51, 0x2d, 0x15, 0x01, 0x00, 0x88, 0x02,
595 0x72, 0x52, 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 = 148500000,
603 0x01, 0x51, 0x1f, 0x00, 0x40, 0xf8, 0x88, 0xc1,
604 0x52, 0x52, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5,
605 0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
606 0x08, 0x10, 0x01, 0x01, 0x48, 0x4a, 0x00, 0x40,
610 .pixel_clock = 297000000,
612 0x01, 0x51, 0x3E, 0x05, 0x40, 0xF0, 0x88, 0xC2,
613 0x52, 0x53, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
614 0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
615 0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
620 static const char * const hdmi_clk_gates4[] = {
624 static const char * const hdmi_clk_muxes4[] = {
625 "sclk_pixel", "sclk_hdmiphy", "mout_hdmi"
628 static const char * const hdmi_clk_gates5433[] = {
629 "hdmi_pclk", "hdmi_i_pclk", "i_tmds_clk", "i_pixel_clk", "i_spdif_clk"
632 static const char * const hdmi_clk_muxes5433[] = {
633 "oscclk", "tmds_clko", "tmds_clko_user",
634 "oscclk", "pixel_clko", "pixel_clko_user"
637 static const struct hdmi_driver_data exynos4210_hdmi_driver_data = {
639 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v13_configs),
640 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
641 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
644 static const struct hdmi_driver_data exynos4212_hdmi_driver_data = {
646 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_v14_configs),
647 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
648 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
651 static const struct hdmi_driver_data exynos5420_hdmi_driver_data = {
654 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5420_configs),
655 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates4),
656 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes4),
659 static const struct hdmi_driver_data exynos5433_hdmi_driver_data = {
663 .phy_confs = INIT_ARRAY_SPEC(hdmiphy_5433_configs),
664 .clk_gates = INIT_ARRAY_SPEC(hdmi_clk_gates5433),
665 .clk_muxes = INIT_ARRAY_SPEC(hdmi_clk_muxes5433),
668 static inline u32 hdmi_map_reg(struct hdmi_context *hdata, u32 reg_id)
670 if ((reg_id & 0xffff0000) == HDMI_MAPPED_BASE)
671 return hdmi_reg_map[reg_id & 0xffff][hdata->drv_data->type];
675 static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id)
677 return readl(hdata->regs + hdmi_map_reg(hdata, reg_id));
680 static inline void hdmi_reg_writeb(struct hdmi_context *hdata,
681 u32 reg_id, u8 value)
683 writel(value, hdata->regs + hdmi_map_reg(hdata, reg_id));
686 static inline void hdmi_reg_writev(struct hdmi_context *hdata, u32 reg_id,
689 reg_id = hdmi_map_reg(hdata, reg_id);
691 while (--bytes >= 0) {
692 writel(val & 0xff, hdata->regs + reg_id);
698 static inline void hdmi_reg_write_buf(struct hdmi_context *hdata, u32 reg_id,
701 for (reg_id = hdmi_map_reg(hdata, reg_id); size; --size, reg_id += 4)
702 writel(*buf++, hdata->regs + reg_id);
705 static inline void hdmi_reg_writemask(struct hdmi_context *hdata,
706 u32 reg_id, u32 value, u32 mask)
710 reg_id = hdmi_map_reg(hdata, reg_id);
711 old = readl(hdata->regs + reg_id);
712 value = (value & mask) | (old & ~mask);
713 writel(value, hdata->regs + reg_id);
716 static int hdmiphy_reg_write_buf(struct hdmi_context *hdata,
717 u32 reg_offset, const u8 *buf, u32 len)
719 if ((reg_offset + len) > 32)
722 if (hdata->hdmiphy_port) {
725 ret = i2c_master_send(hdata->hdmiphy_port, buf, len);
731 for (i = 0; i < len; i++)
732 writel(buf[i], hdata->regs_hdmiphy +
733 ((reg_offset + i)<<2));
738 static int hdmi_clk_enable_gates(struct hdmi_context *hdata)
742 for (i = 0; i < hdata->drv_data->clk_gates.count; ++i) {
743 ret = clk_prepare_enable(hdata->clk_gates[i]);
747 dev_err(hdata->dev, "Cannot enable clock '%s', %d\n",
748 hdata->drv_data->clk_gates.data[i], ret);
750 clk_disable_unprepare(hdata->clk_gates[i]);
757 static void hdmi_clk_disable_gates(struct hdmi_context *hdata)
759 int i = hdata->drv_data->clk_gates.count;
762 clk_disable_unprepare(hdata->clk_gates[i]);
765 static int hdmi_clk_set_parents(struct hdmi_context *hdata, bool to_phy)
767 struct device *dev = hdata->dev;
771 for (i = 0; i < hdata->drv_data->clk_muxes.count; i += 3) {
772 struct clk **c = &hdata->clk_muxes[i];
774 ret = clk_set_parent(c[2], c[to_phy]);
778 dev_err(dev, "Cannot set clock parent of '%s' to '%s', %d\n",
779 hdata->drv_data->clk_muxes.data[i + 2],
780 hdata->drv_data->clk_muxes.data[i + to_phy], ret);
786 static int hdmi_audio_infoframe_apply(struct hdmi_context *hdata)
788 struct hdmi_audio_infoframe *infoframe = &hdata->audio.infoframe;
789 u8 buf[HDMI_INFOFRAME_SIZE(AUDIO)];
792 len = hdmi_audio_infoframe_pack(infoframe, buf, sizeof(buf));
796 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_EVERY_VSYNC);
797 hdmi_reg_write_buf(hdata, HDMI_AUI_HEADER0, buf, len);
802 static void hdmi_reg_infoframes(struct hdmi_context *hdata)
804 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
805 union hdmi_infoframe frm;
809 if (hdata->dvi_mode) {
810 hdmi_reg_writeb(hdata, HDMI_AVI_CON,
811 HDMI_AVI_CON_DO_NOT_TRANSMIT);
812 hdmi_reg_writeb(hdata, HDMI_VSI_CON,
813 HDMI_VSI_CON_DO_NOT_TRANSMIT);
814 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN);
818 ret = drm_hdmi_avi_infoframe_from_display_mode(&frm.avi,
819 &hdata->connector, m);
821 ret = hdmi_avi_infoframe_pack(&frm.avi, buf, sizeof(buf));
823 hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC);
824 hdmi_reg_write_buf(hdata, HDMI_AVI_HEADER0, buf, ret);
826 DRM_INFO("%s: invalid AVI infoframe (%d)\n", __func__, ret);
829 ret = drm_hdmi_vendor_infoframe_from_display_mode(&frm.vendor.hdmi,
830 &hdata->connector, m);
832 ret = hdmi_vendor_infoframe_pack(&frm.vendor.hdmi, buf,
835 hdmi_reg_writeb(hdata, HDMI_VSI_CON, HDMI_VSI_CON_EVERY_VSYNC);
836 hdmi_reg_write_buf(hdata, HDMI_VSI_HEADER0, buf, 3);
837 hdmi_reg_write_buf(hdata, HDMI_VSI_DATA(0), buf + 3, ret - 3);
840 hdmi_audio_infoframe_apply(hdata);
843 static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
846 struct hdmi_context *hdata = connector_to_hdmi(connector);
848 if (gpiod_get_value(hdata->hpd_gpio))
849 return connector_status_connected;
851 cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
852 return connector_status_disconnected;
855 static void hdmi_connector_destroy(struct drm_connector *connector)
857 struct hdmi_context *hdata = connector_to_hdmi(connector);
859 cec_notifier_conn_unregister(hdata->notifier);
861 drm_connector_unregister(connector);
862 drm_connector_cleanup(connector);
865 static const struct drm_connector_funcs hdmi_connector_funcs = {
866 .fill_modes = drm_helper_probe_single_connector_modes,
867 .detect = hdmi_detect,
868 .destroy = hdmi_connector_destroy,
869 .reset = drm_atomic_helper_connector_reset,
870 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
871 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
874 static int hdmi_get_modes(struct drm_connector *connector)
876 struct hdmi_context *hdata = connector_to_hdmi(connector);
880 if (!hdata->ddc_adpt)
883 edid = drm_get_edid(connector, hdata->ddc_adpt);
887 hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
888 DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n",
889 (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
890 edid->width_cm, edid->height_cm);
892 drm_connector_update_edid_property(connector, edid);
893 cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid);
895 ret = drm_add_edid_modes(connector, edid);
902 static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
904 const struct hdmiphy_configs *confs = &hdata->drv_data->phy_confs;
907 for (i = 0; i < confs->count; i++)
908 if (confs->data[i].pixel_clock == pixel_clock)
911 DRM_DEV_DEBUG_KMS(hdata->dev, "Could not find phy config for %d\n",
916 static int hdmi_mode_valid(struct drm_connector *connector,
917 struct drm_display_mode *mode)
919 struct hdmi_context *hdata = connector_to_hdmi(connector);
922 DRM_DEV_DEBUG_KMS(hdata->dev,
923 "xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
924 mode->hdisplay, mode->vdisplay, mode->vrefresh,
925 (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
926 false, mode->clock * 1000);
928 ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
935 static const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
936 .get_modes = hdmi_get_modes,
937 .mode_valid = hdmi_mode_valid,
940 static int hdmi_create_connector(struct drm_encoder *encoder)
942 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
943 struct drm_connector *connector = &hdata->connector;
944 struct cec_connector_info conn_info;
947 connector->interlace_allowed = true;
948 connector->polled = DRM_CONNECTOR_POLL_HPD;
950 ret = drm_connector_init_with_ddc(hdata->drm_dev, connector,
951 &hdmi_connector_funcs,
952 DRM_MODE_CONNECTOR_HDMIA,
955 DRM_DEV_ERROR(hdata->dev,
956 "Failed to initialize connector with drm\n");
960 drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
961 drm_connector_attach_encoder(connector, encoder);
964 ret = drm_bridge_attach(encoder, hdata->bridge, NULL, 0);
966 DRM_DEV_ERROR(hdata->dev, "Failed to attach bridge\n");
969 cec_fill_conn_info_from_drm(&conn_info, connector);
971 hdata->notifier = cec_notifier_conn_register(hdata->dev, NULL,
973 if (!hdata->notifier) {
975 DRM_DEV_ERROR(hdata->dev, "Failed to allocate CEC notifier\n");
981 static bool hdmi_mode_fixup(struct drm_encoder *encoder,
982 const struct drm_display_mode *mode,
983 struct drm_display_mode *adjusted_mode)
985 struct drm_device *dev = encoder->dev;
986 struct drm_connector *connector;
987 struct drm_display_mode *m;
988 struct drm_connector_list_iter conn_iter;
991 drm_mode_set_crtcinfo(adjusted_mode, 0);
993 drm_connector_list_iter_begin(dev, &conn_iter);
994 drm_for_each_connector_iter(connector, &conn_iter) {
995 if (connector->encoder == encoder)
999 drm_connector_get(connector);
1000 drm_connector_list_iter_end(&conn_iter);
1005 mode_ok = hdmi_mode_valid(connector, adjusted_mode);
1007 if (mode_ok == MODE_OK)
1011 * Find the most suitable mode and copy it to adjusted_mode.
1013 list_for_each_entry(m, &connector->modes, head) {
1014 mode_ok = hdmi_mode_valid(connector, m);
1016 if (mode_ok == MODE_OK) {
1017 DRM_INFO("desired mode doesn't exist so\n");
1018 DRM_INFO("use the most suitable mode among modes.\n");
1020 DRM_DEV_DEBUG_KMS(dev->dev,
1021 "Adjusted Mode: [%d]x[%d] [%d]Hz\n",
1022 m->hdisplay, m->vdisplay,
1025 drm_mode_copy(adjusted_mode, m);
1031 drm_connector_put(connector);
1036 static void hdmi_reg_acr(struct hdmi_context *hdata, u32 freq)
1040 cts = (freq % 9) ? 27000 : 30000;
1041 n = 128 * freq / (27000000 / cts);
1043 hdmi_reg_writev(hdata, HDMI_ACR_N0, 3, n);
1044 hdmi_reg_writev(hdata, HDMI_ACR_MCTS0, 3, cts);
1045 hdmi_reg_writev(hdata, HDMI_ACR_CTS0, 3, cts);
1046 hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
1049 static void hdmi_audio_config(struct hdmi_context *hdata)
1055 switch (hdata->audio.params.sample_width) {
1068 hdmi_reg_acr(hdata, hdata->audio.params.sample_rate);
1070 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE
1071 | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE
1072 | HDMI_I2S_MUX_ENABLE);
1074 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN
1075 | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN);
1077 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN);
1078 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS);
1079 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN);
1081 val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01;
1082 hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val);
1084 /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */
1085 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5)
1086 | HDMI_I2S_SEL_LRCK(6));
1088 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(3)
1089 | HDMI_I2S_SEL_SDATA0(4));
1091 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1)
1092 | HDMI_I2S_SEL_SDATA2(2));
1094 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0));
1097 hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE
1098 | HDMI_I2S_L_CH_LOW_POL);
1099 hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE
1100 | HDMI_I2S_SET_BIT_CH(bit_ch)
1101 | HDMI_I2S_SET_SDATA_BIT(data_num)
1102 | HDMI_I2S_BASIC_FORMAT);
1104 /* Configuration of the audio channel status registers */
1105 for (i = 0; i < HDMI_I2S_CH_ST_MAXNUM; i++)
1106 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST(i),
1107 hdata->audio.params.iec.status[i]);
1109 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD);
1112 static void hdmi_audio_control(struct hdmi_context *hdata)
1114 bool enable = !hdata->audio.mute;
1116 if (hdata->dvi_mode)
1119 hdmi_reg_writeb(hdata, HDMI_AUI_CON, enable ?
1120 HDMI_AVI_CON_EVERY_VSYNC : HDMI_AUI_CON_NO_TRAN);
1121 hdmi_reg_writemask(hdata, HDMI_CON_0, enable ?
1122 HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK);
1125 static void hdmi_start(struct hdmi_context *hdata, bool start)
1127 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1128 u32 val = start ? HDMI_TG_EN : 0;
1130 if (m->flags & DRM_MODE_FLAG_INTERLACE)
1131 val |= HDMI_FIELD_EN;
1133 hdmi_reg_writemask(hdata, HDMI_CON_0, val, HDMI_EN);
1134 hdmi_reg_writemask(hdata, HDMI_TG_CMD, val, HDMI_TG_EN | HDMI_FIELD_EN);
1137 static void hdmi_conf_init(struct hdmi_context *hdata)
1139 /* disable HPD interrupts from HDMI IP block, use GPIO instead */
1140 hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
1141 HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
1143 /* choose HDMI mode */
1144 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1145 HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
1146 /* apply video pre-amble and guard band in HDMI mode only */
1147 hdmi_reg_writeb(hdata, HDMI_CON_2, 0);
1148 /* disable bluescreen */
1149 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
1151 if (hdata->dvi_mode) {
1152 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1153 HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
1154 hdmi_reg_writeb(hdata, HDMI_CON_2,
1155 HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
1158 if (hdata->drv_data->type == HDMI_TYPE13) {
1159 /* choose bluescreen (fecal) color */
1160 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
1161 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
1162 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56);
1164 /* enable AVI packet every vsync, fixes purple line problem */
1165 hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02);
1166 /* force RGB, look to CEA-861-D, table 7 for more detail */
1167 hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5);
1168 hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5);
1170 hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02);
1171 hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02);
1172 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04);
1174 hdmi_reg_infoframes(hdata);
1176 /* enable AVI packet every vsync, fixes purple line problem */
1177 hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5);
1181 static void hdmiphy_wait_for_pll(struct hdmi_context *hdata)
1185 for (tries = 0; tries < 10; ++tries) {
1186 u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS);
1188 if (val & HDMI_PHY_STATUS_READY) {
1189 DRM_DEV_DEBUG_KMS(hdata->dev,
1190 "PLL stabilized after %d tries\n",
1194 usleep_range(10, 20);
1197 DRM_DEV_ERROR(hdata->dev, "PLL could not reach steady state\n");
1200 static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
1202 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1205 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1206 hdmi_reg_writev(hdata, HDMI_V13_H_V_LINE_0, 3,
1207 (m->htotal << 12) | m->vtotal);
1209 val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
1210 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, val);
1212 val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
1213 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, val);
1215 val = (m->hsync_start - m->hdisplay - 2);
1216 val |= ((m->hsync_end - m->hdisplay - 2) << 10);
1217 val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
1218 hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val);
1221 * Quirk requirement for exynos HDMI IP design,
1222 * 2 pixels less than the actual calculation for hsync_start
1226 /* Following values & calculations differ for different type of modes */
1227 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1228 val = ((m->vsync_end - m->vdisplay) / 2);
1229 val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
1230 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1232 val = m->vtotal / 2;
1233 val |= ((m->vtotal - m->vdisplay) / 2) << 11;
1234 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1237 ((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
1238 val |= m->vtotal << 11;
1239 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, val);
1241 val = ((m->vtotal / 2) + 7);
1242 val |= ((m->vtotal / 2) + 2) << 12;
1243 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, val);
1245 val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
1246 val |= ((m->htotal / 2) +
1247 (m->hsync_start - m->hdisplay)) << 12;
1248 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, val);
1250 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1251 (m->vtotal - m->vdisplay) / 2);
1252 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1254 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249);
1257 val |= (m->vtotal - m->vdisplay) << 11;
1258 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1260 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, 0);
1262 val = (m->vsync_end - m->vdisplay);
1263 val |= ((m->vsync_start - m->vdisplay) << 12);
1264 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1266 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, 0x1001);
1267 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, 0x1001);
1268 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1269 m->vtotal - m->vdisplay);
1270 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1273 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1274 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
1275 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
1276 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1279 static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
1281 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1282 struct drm_display_mode *am =
1283 &hdata->encoder.crtc->state->adjusted_mode;
1287 * In case video mode coming from CRTC differs from requested one HDMI
1288 * sometimes is able to almost properly perform conversion - only
1289 * first line is distorted.
1291 if ((m->vdisplay != am->vdisplay) &&
1292 (m->hdisplay == 1280 || m->hdisplay == 1024 || m->hdisplay == 1366))
1295 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1296 hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal);
1297 hdmi_reg_writev(hdata, HDMI_H_LINE_0, 2, m->htotal);
1298 hdmi_reg_writev(hdata, HDMI_HSYNC_POL, 1,
1299 (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
1300 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1,
1301 (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
1302 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1,
1303 (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
1306 * Quirk requirement for exynos 5 HDMI IP design,
1307 * 2 pixels less than the actual calculation for hsync_start
1311 /* Following values & calculations differ for different type of modes */
1312 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1313 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1314 (m->vsync_end - m->vdisplay) / 2);
1315 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1316 (m->vsync_start - m->vdisplay) / 2);
1317 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal / 2);
1318 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1319 (m->vtotal - m->vdisplay) / 2);
1320 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2,
1321 m->vtotal - m->vdisplay / 2);
1322 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, m->vtotal);
1323 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2,
1324 (m->vtotal / 2) + 7);
1325 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2,
1326 (m->vtotal / 2) + 2);
1327 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2,
1328 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1329 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2,
1330 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1331 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1332 (m->vtotal - m->vdisplay) / 2);
1333 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1334 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2,
1335 m->vtotal - m->vdisplay / 2);
1336 hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2,
1337 (m->vtotal / 2) + 1);
1338 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2,
1339 (m->vtotal / 2) + 1);
1340 hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2,
1341 (m->vtotal / 2) + 1);
1342 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x0);
1343 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x0);
1345 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1346 m->vsync_end - m->vdisplay);
1347 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1348 m->vsync_start - m->vdisplay);
1349 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal);
1350 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1351 m->vtotal - m->vdisplay);
1352 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2, 0xffff);
1353 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, 0xffff);
1354 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2, 0xffff);
1355 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2, 0xffff);
1356 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2, 0xffff);
1357 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2, 0xffff);
1358 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1359 m->vtotal - m->vdisplay);
1360 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1363 hdmi_reg_writev(hdata, HDMI_H_SYNC_START_0, 2,
1364 m->hsync_start - m->hdisplay - 2);
1365 hdmi_reg_writev(hdata, HDMI_H_SYNC_END_0, 2,
1366 m->hsync_end - m->hdisplay - 2);
1367 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_1_0, 2, 0xffff);
1368 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_2_0, 2, 0xffff);
1369 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_3_0, 2, 0xffff);
1370 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_4_0, 2, 0xffff);
1371 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_5_0, 2, 0xffff);
1372 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_6_0, 2, 0xffff);
1373 hdmi_reg_writev(hdata, HDMI_V_BLANK_F2_0, 2, 0xffff);
1374 hdmi_reg_writev(hdata, HDMI_V_BLANK_F3_0, 2, 0xffff);
1375 hdmi_reg_writev(hdata, HDMI_V_BLANK_F4_0, 2, 0xffff);
1376 hdmi_reg_writev(hdata, HDMI_V_BLANK_F5_0, 2, 0xffff);
1377 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_3_0, 2, 0xffff);
1378 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_4_0, 2, 0xffff);
1379 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_5_0, 2, 0xffff);
1380 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_6_0, 2, 0xffff);
1381 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, 2, 0xffff);
1382 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, 2, 0xffff);
1383 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 2, 0xffff);
1384 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff);
1386 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1387 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2,
1388 m->htotal - m->hdisplay - hquirk);
1389 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay + hquirk);
1390 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1391 if (hdata->drv_data == &exynos5433_hdmi_driver_data)
1392 hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1);
1395 static void hdmi_mode_apply(struct hdmi_context *hdata)
1397 if (hdata->drv_data->type == HDMI_TYPE13)
1398 hdmi_v13_mode_apply(hdata);
1400 hdmi_v14_mode_apply(hdata);
1402 hdmi_start(hdata, true);
1405 static void hdmiphy_conf_reset(struct hdmi_context *hdata)
1407 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, 0, 1);
1408 usleep_range(10000, 12000);
1409 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, ~0, 1);
1410 usleep_range(10000, 12000);
1411 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
1412 usleep_range(10000, 12000);
1413 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT);
1414 usleep_range(10000, 12000);
1417 static void hdmiphy_enable_mode_set(struct hdmi_context *hdata, bool enable)
1419 u8 v = enable ? HDMI_PHY_ENABLE_MODE_SET : HDMI_PHY_DISABLE_MODE_SET;
1421 if (hdata->drv_data == &exynos5433_hdmi_driver_data)
1422 writel(v, hdata->regs_hdmiphy + HDMIPHY5433_MODE_SET_DONE);
1425 static void hdmiphy_conf_apply(struct hdmi_context *hdata)
1427 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1431 ret = hdmi_find_phy_conf(hdata, m->clock * 1000);
1433 DRM_DEV_ERROR(hdata->dev, "failed to find hdmiphy conf\n");
1436 phy_conf = hdata->drv_data->phy_confs.data[ret].conf;
1438 hdmi_clk_set_parents(hdata, false);
1440 hdmiphy_conf_reset(hdata);
1442 hdmiphy_enable_mode_set(hdata, true);
1443 ret = hdmiphy_reg_write_buf(hdata, 0, phy_conf, 32);
1445 DRM_DEV_ERROR(hdata->dev, "failed to configure hdmiphy\n");
1448 hdmiphy_enable_mode_set(hdata, false);
1449 hdmi_clk_set_parents(hdata, true);
1450 usleep_range(10000, 12000);
1451 hdmiphy_wait_for_pll(hdata);
1454 /* Should be called with hdata->mutex mutex held */
1455 static void hdmi_conf_apply(struct hdmi_context *hdata)
1457 hdmi_start(hdata, false);
1458 hdmi_conf_init(hdata);
1459 hdmi_audio_config(hdata);
1460 hdmi_mode_apply(hdata);
1461 hdmi_audio_control(hdata);
1464 static void hdmi_set_refclk(struct hdmi_context *hdata, bool on)
1469 regmap_update_bits(hdata->sysreg, EXYNOS5433_SYSREG_DISP_HDMI_PHY,
1470 SYSREG_HDMI_REFCLK_INT_CLK, on ? ~0 : 0);
1473 /* Should be called with hdata->mutex mutex held. */
1474 static void hdmiphy_enable(struct hdmi_context *hdata)
1479 pm_runtime_get_sync(hdata->dev);
1481 if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk))
1482 DRM_DEV_DEBUG_KMS(hdata->dev,
1483 "failed to enable regulator bulk\n");
1485 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1486 PMU_HDMI_PHY_ENABLE_BIT, 1);
1488 hdmi_set_refclk(hdata, true);
1490 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN);
1492 hdmiphy_conf_apply(hdata);
1494 hdata->powered = true;
1497 /* Should be called with hdata->mutex mutex held. */
1498 static void hdmiphy_disable(struct hdmi_context *hdata)
1500 if (!hdata->powered)
1503 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
1505 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN);
1507 hdmi_set_refclk(hdata, false);
1509 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1510 PMU_HDMI_PHY_ENABLE_BIT, 0);
1512 regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk);
1514 pm_runtime_put_sync(hdata->dev);
1516 hdata->powered = false;
1519 static void hdmi_enable(struct drm_encoder *encoder)
1521 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1523 mutex_lock(&hdata->mutex);
1525 hdmiphy_enable(hdata);
1526 hdmi_conf_apply(hdata);
1528 mutex_unlock(&hdata->mutex);
1531 static void hdmi_disable(struct drm_encoder *encoder)
1533 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1535 mutex_lock(&hdata->mutex);
1537 if (hdata->powered) {
1539 * The SFRs of VP and Mixer are updated by Vertical Sync of
1540 * Timing generator which is a part of HDMI so the sequence
1541 * to disable TV Subsystem should be as following,
1542 * VP -> Mixer -> HDMI
1544 * To achieve such sequence HDMI is disabled together with
1545 * HDMI PHY, via pipe clock callback.
1547 mutex_unlock(&hdata->mutex);
1548 cancel_delayed_work(&hdata->hotplug_work);
1549 if (hdata->notifier)
1550 cec_notifier_phys_addr_invalidate(hdata->notifier);
1554 mutex_unlock(&hdata->mutex);
1557 static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
1558 .mode_fixup = hdmi_mode_fixup,
1559 .enable = hdmi_enable,
1560 .disable = hdmi_disable,
1563 static void hdmi_audio_shutdown(struct device *dev, void *data)
1565 struct hdmi_context *hdata = dev_get_drvdata(dev);
1567 mutex_lock(&hdata->mutex);
1569 hdata->audio.mute = true;
1572 hdmi_audio_control(hdata);
1574 mutex_unlock(&hdata->mutex);
1577 static int hdmi_audio_hw_params(struct device *dev, void *data,
1578 struct hdmi_codec_daifmt *daifmt,
1579 struct hdmi_codec_params *params)
1581 struct hdmi_context *hdata = dev_get_drvdata(dev);
1583 if (daifmt->fmt != HDMI_I2S || daifmt->bit_clk_inv ||
1584 daifmt->frame_clk_inv || daifmt->bit_clk_master ||
1585 daifmt->frame_clk_master) {
1586 dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__,
1587 daifmt->bit_clk_inv, daifmt->frame_clk_inv,
1588 daifmt->bit_clk_master,
1589 daifmt->frame_clk_master);
1593 mutex_lock(&hdata->mutex);
1595 hdata->audio.params = *params;
1597 if (hdata->powered) {
1598 hdmi_audio_config(hdata);
1599 hdmi_audio_infoframe_apply(hdata);
1602 mutex_unlock(&hdata->mutex);
1607 static int hdmi_audio_digital_mute(struct device *dev, void *data, bool mute)
1609 struct hdmi_context *hdata = dev_get_drvdata(dev);
1611 mutex_lock(&hdata->mutex);
1613 hdata->audio.mute = mute;
1616 hdmi_audio_control(hdata);
1618 mutex_unlock(&hdata->mutex);
1623 static int hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf,
1626 struct hdmi_context *hdata = dev_get_drvdata(dev);
1627 struct drm_connector *connector = &hdata->connector;
1629 memcpy(buf, connector->eld, min(sizeof(connector->eld), len));
1634 static const struct hdmi_codec_ops audio_codec_ops = {
1635 .hw_params = hdmi_audio_hw_params,
1636 .audio_shutdown = hdmi_audio_shutdown,
1637 .digital_mute = hdmi_audio_digital_mute,
1638 .get_eld = hdmi_audio_get_eld,
1641 static int hdmi_register_audio_device(struct hdmi_context *hdata)
1643 struct hdmi_codec_pdata codec_data = {
1644 .ops = &audio_codec_ops,
1645 .max_i2s_channels = 6,
1649 hdata->audio.pdev = platform_device_register_data(
1650 hdata->dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_AUTO,
1651 &codec_data, sizeof(codec_data));
1653 return PTR_ERR_OR_ZERO(hdata->audio.pdev);
1656 static void hdmi_hotplug_work_func(struct work_struct *work)
1658 struct hdmi_context *hdata;
1660 hdata = container_of(work, struct hdmi_context, hotplug_work.work);
1663 drm_helper_hpd_irq_event(hdata->drm_dev);
1666 static irqreturn_t hdmi_irq_thread(int irq, void *arg)
1668 struct hdmi_context *hdata = arg;
1670 mod_delayed_work(system_wq, &hdata->hotplug_work,
1671 msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
1676 static int hdmi_clks_get(struct hdmi_context *hdata,
1677 const struct string_array_spec *names,
1680 struct device *dev = hdata->dev;
1683 for (i = 0; i < names->count; ++i) {
1684 struct clk *clk = devm_clk_get(dev, names->data[i]);
1687 int ret = PTR_ERR(clk);
1689 dev_err(dev, "Cannot get clock %s, %d\n",
1690 names->data[i], ret);
1701 static int hdmi_clk_init(struct hdmi_context *hdata)
1703 const struct hdmi_driver_data *drv_data = hdata->drv_data;
1704 int count = drv_data->clk_gates.count + drv_data->clk_muxes.count;
1705 struct device *dev = hdata->dev;
1712 clks = devm_kcalloc(dev, count, sizeof(*clks), GFP_KERNEL);
1716 hdata->clk_gates = clks;
1717 hdata->clk_muxes = clks + drv_data->clk_gates.count;
1719 ret = hdmi_clks_get(hdata, &drv_data->clk_gates, hdata->clk_gates);
1723 return hdmi_clks_get(hdata, &drv_data->clk_muxes, hdata->clk_muxes);
1727 static void hdmiphy_clk_enable(struct exynos_drm_clk *clk, bool enable)
1729 struct hdmi_context *hdata = container_of(clk, struct hdmi_context,
1731 mutex_lock(&hdata->mutex);
1734 hdmiphy_enable(hdata);
1736 hdmiphy_disable(hdata);
1738 mutex_unlock(&hdata->mutex);
1741 static int hdmi_bridge_init(struct hdmi_context *hdata)
1743 struct device *dev = hdata->dev;
1744 struct device_node *ep, *np;
1746 ep = of_graph_get_endpoint_by_regs(dev->of_node, 1, -1);
1750 np = of_graph_get_remote_port_parent(ep);
1753 DRM_DEV_ERROR(dev, "failed to get remote port parent");
1757 hdata->bridge = of_drm_find_bridge(np);
1761 return -EPROBE_DEFER;
1766 static int hdmi_resources_init(struct hdmi_context *hdata)
1768 struct device *dev = hdata->dev;
1771 DRM_DEV_DEBUG_KMS(dev, "HDMI resource init\n");
1773 hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN);
1774 if (IS_ERR(hdata->hpd_gpio)) {
1775 DRM_DEV_ERROR(dev, "cannot get hpd gpio property\n");
1776 return PTR_ERR(hdata->hpd_gpio);
1779 hdata->irq = gpiod_to_irq(hdata->hpd_gpio);
1780 if (hdata->irq < 0) {
1781 DRM_DEV_ERROR(dev, "failed to get GPIO irq\n");
1785 ret = hdmi_clk_init(hdata);
1789 ret = hdmi_clk_set_parents(hdata, false);
1793 for (i = 0; i < ARRAY_SIZE(supply); ++i)
1794 hdata->regul_bulk[i].supply = supply[i];
1796 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
1798 if (ret != -EPROBE_DEFER)
1799 DRM_DEV_ERROR(dev, "failed to get regulators\n");
1803 hdata->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en");
1805 if (PTR_ERR(hdata->reg_hdmi_en) != -ENODEV)
1806 if (IS_ERR(hdata->reg_hdmi_en))
1807 return PTR_ERR(hdata->reg_hdmi_en);
1809 return hdmi_bridge_init(hdata);
1812 static const struct of_device_id hdmi_match_types[] = {
1814 .compatible = "samsung,exynos4210-hdmi",
1815 .data = &exynos4210_hdmi_driver_data,
1817 .compatible = "samsung,exynos4212-hdmi",
1818 .data = &exynos4212_hdmi_driver_data,
1820 .compatible = "samsung,exynos5420-hdmi",
1821 .data = &exynos5420_hdmi_driver_data,
1823 .compatible = "samsung,exynos5433-hdmi",
1824 .data = &exynos5433_hdmi_driver_data,
1829 MODULE_DEVICE_TABLE (of, hdmi_match_types);
1831 static int hdmi_bind(struct device *dev, struct device *master, void *data)
1833 struct drm_device *drm_dev = data;
1834 struct hdmi_context *hdata = dev_get_drvdata(dev);
1835 struct drm_encoder *encoder = &hdata->encoder;
1836 struct exynos_drm_crtc *crtc;
1839 hdata->drm_dev = drm_dev;
1841 hdata->phy_clk.enable = hdmiphy_clk_enable;
1843 drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
1845 drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
1847 ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_HDMI);
1851 crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI);
1852 crtc->pipe_clk = &hdata->phy_clk;
1854 ret = hdmi_create_connector(encoder);
1856 DRM_DEV_ERROR(dev, "failed to create connector ret = %d\n",
1858 drm_encoder_cleanup(encoder);
1865 static void hdmi_unbind(struct device *dev, struct device *master, void *data)
1869 static const struct component_ops hdmi_component_ops = {
1871 .unbind = hdmi_unbind,
1874 static int hdmi_get_ddc_adapter(struct hdmi_context *hdata)
1876 const char *compatible_str = "samsung,exynos4210-hdmiddc";
1877 struct device_node *np;
1878 struct i2c_adapter *adpt;
1880 np = of_find_compatible_node(NULL, NULL, compatible_str);
1882 np = of_get_next_parent(np);
1884 np = of_parse_phandle(hdata->dev->of_node, "ddc", 0);
1887 DRM_DEV_ERROR(hdata->dev,
1888 "Failed to find ddc node in device tree\n");
1892 adpt = of_find_i2c_adapter_by_node(np);
1896 DRM_INFO("Failed to get ddc i2c adapter by node\n");
1897 return -EPROBE_DEFER;
1900 hdata->ddc_adpt = adpt;
1905 static int hdmi_get_phy_io(struct hdmi_context *hdata)
1907 const char *compatible_str = "samsung,exynos4212-hdmiphy";
1908 struct device_node *np;
1911 np = of_find_compatible_node(NULL, NULL, compatible_str);
1913 np = of_parse_phandle(hdata->dev->of_node, "phy", 0);
1915 DRM_DEV_ERROR(hdata->dev,
1916 "Failed to find hdmiphy node in device tree\n");
1921 if (hdata->drv_data->is_apb_phy) {
1922 hdata->regs_hdmiphy = of_iomap(np, 0);
1923 if (!hdata->regs_hdmiphy) {
1924 DRM_DEV_ERROR(hdata->dev,
1925 "failed to ioremap hdmi phy\n");
1930 hdata->hdmiphy_port = of_find_i2c_device_by_node(np);
1931 if (!hdata->hdmiphy_port) {
1932 DRM_INFO("Failed to get hdmi phy i2c client\n");
1933 ret = -EPROBE_DEFER;
1943 static int hdmi_probe(struct platform_device *pdev)
1945 struct hdmi_audio_infoframe *audio_infoframe;
1946 struct device *dev = &pdev->dev;
1947 struct hdmi_context *hdata;
1948 struct resource *res;
1951 hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
1955 hdata->drv_data = of_device_get_match_data(dev);
1957 platform_set_drvdata(pdev, hdata);
1961 mutex_init(&hdata->mutex);
1963 ret = hdmi_resources_init(hdata);
1965 if (ret != -EPROBE_DEFER)
1966 DRM_DEV_ERROR(dev, "hdmi_resources_init failed\n");
1970 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1971 hdata->regs = devm_ioremap_resource(dev, res);
1972 if (IS_ERR(hdata->regs)) {
1973 ret = PTR_ERR(hdata->regs);
1977 ret = hdmi_get_ddc_adapter(hdata);
1981 ret = hdmi_get_phy_io(hdata);
1985 INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func);
1987 ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
1988 hdmi_irq_thread, IRQF_TRIGGER_RISING |
1989 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1992 DRM_DEV_ERROR(dev, "failed to register hdmi interrupt\n");
1996 hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node,
1997 "samsung,syscon-phandle");
1998 if (IS_ERR(hdata->pmureg)) {
1999 DRM_DEV_ERROR(dev, "syscon regmap lookup failed.\n");
2000 ret = -EPROBE_DEFER;
2004 if (hdata->drv_data->has_sysreg) {
2005 hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
2006 "samsung,sysreg-phandle");
2007 if (IS_ERR(hdata->sysreg)) {
2008 DRM_DEV_ERROR(dev, "sysreg regmap lookup failed.\n");
2009 ret = -EPROBE_DEFER;
2014 if (!IS_ERR(hdata->reg_hdmi_en)) {
2015 ret = regulator_enable(hdata->reg_hdmi_en);
2018 "failed to enable hdmi-en regulator\n");
2023 pm_runtime_enable(dev);
2025 audio_infoframe = &hdata->audio.infoframe;
2026 hdmi_audio_infoframe_init(audio_infoframe);
2027 audio_infoframe->coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
2028 audio_infoframe->sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
2029 audio_infoframe->sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
2030 audio_infoframe->channels = 2;
2032 ret = hdmi_register_audio_device(hdata);
2034 goto err_rpm_disable;
2036 ret = component_add(&pdev->dev, &hdmi_component_ops);
2038 goto err_unregister_audio;
2042 err_unregister_audio:
2043 platform_device_unregister(hdata->audio.pdev);
2046 pm_runtime_disable(dev);
2047 if (!IS_ERR(hdata->reg_hdmi_en))
2048 regulator_disable(hdata->reg_hdmi_en);
2050 if (hdata->hdmiphy_port)
2051 put_device(&hdata->hdmiphy_port->dev);
2052 if (hdata->regs_hdmiphy)
2053 iounmap(hdata->regs_hdmiphy);
2055 put_device(&hdata->ddc_adpt->dev);
2060 static int hdmi_remove(struct platform_device *pdev)
2062 struct hdmi_context *hdata = platform_get_drvdata(pdev);
2064 cancel_delayed_work_sync(&hdata->hotplug_work);
2066 component_del(&pdev->dev, &hdmi_component_ops);
2067 platform_device_unregister(hdata->audio.pdev);
2069 pm_runtime_disable(&pdev->dev);
2071 if (!IS_ERR(hdata->reg_hdmi_en))
2072 regulator_disable(hdata->reg_hdmi_en);
2074 if (hdata->hdmiphy_port)
2075 put_device(&hdata->hdmiphy_port->dev);
2077 if (hdata->regs_hdmiphy)
2078 iounmap(hdata->regs_hdmiphy);
2080 put_device(&hdata->ddc_adpt->dev);
2082 mutex_destroy(&hdata->mutex);
2087 static int __maybe_unused exynos_hdmi_suspend(struct device *dev)
2089 struct hdmi_context *hdata = dev_get_drvdata(dev);
2091 hdmi_clk_disable_gates(hdata);
2096 static int __maybe_unused exynos_hdmi_resume(struct device *dev)
2098 struct hdmi_context *hdata = dev_get_drvdata(dev);
2101 ret = hdmi_clk_enable_gates(hdata);
2108 static const struct dev_pm_ops exynos_hdmi_pm_ops = {
2109 SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL)
2110 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
2111 pm_runtime_force_resume)
2114 struct platform_driver hdmi_driver = {
2115 .probe = hdmi_probe,
2116 .remove = hdmi_remove,
2118 .name = "exynos-hdmi",
2119 .owner = THIS_MODULE,
2120 .pm = &exynos_hdmi_pm_ops,
2121 .of_match_table = hdmi_match_types,