1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2011 Samsung Electronics Co.Ltd
5 * Seung-Woo Kim <sw0312.kim@samsung.com>
6 * Inki Dae <inki.dae@samsung.com>
7 * Joonyoung Shim <jy0922.shim@samsung.com>
9 * Based on drivers/media/video/s5p-tv/hdmi_drv.c
12 #include <drm/exynos_drm.h>
13 #include <linux/clk.h>
14 #include <linux/component.h>
15 #include <linux/delay.h>
16 #include <linux/gpio/consumer.h>
17 #include <linux/hdmi.h>
18 #include <linux/i2c.h>
19 #include <linux/interrupt.h>
21 #include <linux/irq.h>
22 #include <linux/kernel.h>
23 #include <linux/mfd/syscon.h>
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(hdata->drm_dev, connector,
950 &hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
952 DRM_DEV_ERROR(hdata->dev,
953 "Failed to initialize connector with drm\n");
957 drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
958 drm_connector_attach_encoder(connector, encoder);
961 ret = drm_bridge_attach(encoder, hdata->bridge, NULL);
963 DRM_DEV_ERROR(hdata->dev, "Failed to attach bridge\n");
966 cec_fill_conn_info_from_drm(&conn_info, connector);
968 hdata->notifier = cec_notifier_conn_register(hdata->dev, NULL,
970 if (!hdata->notifier) {
972 DRM_DEV_ERROR(hdata->dev, "Failed to allocate CEC notifier\n");
978 static bool hdmi_mode_fixup(struct drm_encoder *encoder,
979 const struct drm_display_mode *mode,
980 struct drm_display_mode *adjusted_mode)
982 struct drm_device *dev = encoder->dev;
983 struct drm_connector *connector;
984 struct drm_display_mode *m;
985 struct drm_connector_list_iter conn_iter;
988 drm_mode_set_crtcinfo(adjusted_mode, 0);
990 drm_connector_list_iter_begin(dev, &conn_iter);
991 drm_for_each_connector_iter(connector, &conn_iter) {
992 if (connector->encoder == encoder)
996 drm_connector_get(connector);
997 drm_connector_list_iter_end(&conn_iter);
1002 mode_ok = hdmi_mode_valid(connector, adjusted_mode);
1004 if (mode_ok == MODE_OK)
1008 * Find the most suitable mode and copy it to adjusted_mode.
1010 list_for_each_entry(m, &connector->modes, head) {
1011 mode_ok = hdmi_mode_valid(connector, m);
1013 if (mode_ok == MODE_OK) {
1014 DRM_INFO("desired mode doesn't exist so\n");
1015 DRM_INFO("use the most suitable mode among modes.\n");
1017 DRM_DEV_DEBUG_KMS(dev->dev,
1018 "Adjusted Mode: [%d]x[%d] [%d]Hz\n",
1019 m->hdisplay, m->vdisplay,
1022 drm_mode_copy(adjusted_mode, m);
1028 drm_connector_put(connector);
1033 static void hdmi_reg_acr(struct hdmi_context *hdata, u32 freq)
1037 cts = (freq % 9) ? 27000 : 30000;
1038 n = 128 * freq / (27000000 / cts);
1040 hdmi_reg_writev(hdata, HDMI_ACR_N0, 3, n);
1041 hdmi_reg_writev(hdata, HDMI_ACR_MCTS0, 3, cts);
1042 hdmi_reg_writev(hdata, HDMI_ACR_CTS0, 3, cts);
1043 hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
1046 static void hdmi_audio_config(struct hdmi_context *hdata)
1052 switch (hdata->audio.params.sample_width) {
1065 hdmi_reg_acr(hdata, hdata->audio.params.sample_rate);
1067 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE
1068 | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE
1069 | HDMI_I2S_MUX_ENABLE);
1071 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN
1072 | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN);
1074 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN);
1075 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS);
1076 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN);
1078 val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01;
1079 hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val);
1081 /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */
1082 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5)
1083 | HDMI_I2S_SEL_LRCK(6));
1085 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(3)
1086 | HDMI_I2S_SEL_SDATA0(4));
1088 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1)
1089 | HDMI_I2S_SEL_SDATA2(2));
1091 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0));
1094 hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE
1095 | HDMI_I2S_L_CH_LOW_POL);
1096 hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE
1097 | HDMI_I2S_SET_BIT_CH(bit_ch)
1098 | HDMI_I2S_SET_SDATA_BIT(data_num)
1099 | HDMI_I2S_BASIC_FORMAT);
1101 /* Configuration of the audio channel status registers */
1102 for (i = 0; i < HDMI_I2S_CH_ST_MAXNUM; i++)
1103 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST(i),
1104 hdata->audio.params.iec.status[i]);
1106 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD);
1109 static void hdmi_audio_control(struct hdmi_context *hdata)
1111 bool enable = !hdata->audio.mute;
1113 if (hdata->dvi_mode)
1116 hdmi_reg_writeb(hdata, HDMI_AUI_CON, enable ?
1117 HDMI_AVI_CON_EVERY_VSYNC : HDMI_AUI_CON_NO_TRAN);
1118 hdmi_reg_writemask(hdata, HDMI_CON_0, enable ?
1119 HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK);
1122 static void hdmi_start(struct hdmi_context *hdata, bool start)
1124 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1125 u32 val = start ? HDMI_TG_EN : 0;
1127 if (m->flags & DRM_MODE_FLAG_INTERLACE)
1128 val |= HDMI_FIELD_EN;
1130 hdmi_reg_writemask(hdata, HDMI_CON_0, val, HDMI_EN);
1131 hdmi_reg_writemask(hdata, HDMI_TG_CMD, val, HDMI_TG_EN | HDMI_FIELD_EN);
1134 static void hdmi_conf_init(struct hdmi_context *hdata)
1136 /* disable HPD interrupts from HDMI IP block, use GPIO instead */
1137 hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
1138 HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
1140 /* choose HDMI mode */
1141 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1142 HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
1143 /* apply video pre-amble and guard band in HDMI mode only */
1144 hdmi_reg_writeb(hdata, HDMI_CON_2, 0);
1145 /* disable bluescreen */
1146 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
1148 if (hdata->dvi_mode) {
1149 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1150 HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
1151 hdmi_reg_writeb(hdata, HDMI_CON_2,
1152 HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
1155 if (hdata->drv_data->type == HDMI_TYPE13) {
1156 /* choose bluescreen (fecal) color */
1157 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
1158 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
1159 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56);
1161 /* enable AVI packet every vsync, fixes purple line problem */
1162 hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02);
1163 /* force RGB, look to CEA-861-D, table 7 for more detail */
1164 hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5);
1165 hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5);
1167 hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02);
1168 hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02);
1169 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04);
1171 hdmi_reg_infoframes(hdata);
1173 /* enable AVI packet every vsync, fixes purple line problem */
1174 hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5);
1178 static void hdmiphy_wait_for_pll(struct hdmi_context *hdata)
1182 for (tries = 0; tries < 10; ++tries) {
1183 u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS);
1185 if (val & HDMI_PHY_STATUS_READY) {
1186 DRM_DEV_DEBUG_KMS(hdata->dev,
1187 "PLL stabilized after %d tries\n",
1191 usleep_range(10, 20);
1194 DRM_DEV_ERROR(hdata->dev, "PLL could not reach steady state\n");
1197 static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
1199 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1202 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1203 hdmi_reg_writev(hdata, HDMI_V13_H_V_LINE_0, 3,
1204 (m->htotal << 12) | m->vtotal);
1206 val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
1207 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, val);
1209 val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
1210 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, val);
1212 val = (m->hsync_start - m->hdisplay - 2);
1213 val |= ((m->hsync_end - m->hdisplay - 2) << 10);
1214 val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
1215 hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val);
1218 * Quirk requirement for exynos HDMI IP design,
1219 * 2 pixels less than the actual calculation for hsync_start
1223 /* Following values & calculations differ for different type of modes */
1224 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1225 val = ((m->vsync_end - m->vdisplay) / 2);
1226 val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
1227 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1229 val = m->vtotal / 2;
1230 val |= ((m->vtotal - m->vdisplay) / 2) << 11;
1231 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1234 ((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
1235 val |= m->vtotal << 11;
1236 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, val);
1238 val = ((m->vtotal / 2) + 7);
1239 val |= ((m->vtotal / 2) + 2) << 12;
1240 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, val);
1242 val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
1243 val |= ((m->htotal / 2) +
1244 (m->hsync_start - m->hdisplay)) << 12;
1245 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, val);
1247 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1248 (m->vtotal - m->vdisplay) / 2);
1249 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1251 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249);
1254 val |= (m->vtotal - m->vdisplay) << 11;
1255 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1257 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, 0);
1259 val = (m->vsync_end - m->vdisplay);
1260 val |= ((m->vsync_start - m->vdisplay) << 12);
1261 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1263 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, 0x1001);
1264 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, 0x1001);
1265 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1266 m->vtotal - m->vdisplay);
1267 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1270 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1271 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
1272 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
1273 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1276 static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
1278 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1279 struct drm_display_mode *am =
1280 &hdata->encoder.crtc->state->adjusted_mode;
1284 * In case video mode coming from CRTC differs from requested one HDMI
1285 * sometimes is able to almost properly perform conversion - only
1286 * first line is distorted.
1288 if ((m->vdisplay != am->vdisplay) &&
1289 (m->hdisplay == 1280 || m->hdisplay == 1024 || m->hdisplay == 1366))
1292 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1293 hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal);
1294 hdmi_reg_writev(hdata, HDMI_H_LINE_0, 2, m->htotal);
1295 hdmi_reg_writev(hdata, HDMI_HSYNC_POL, 1,
1296 (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
1297 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1,
1298 (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
1299 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1,
1300 (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
1303 * Quirk requirement for exynos 5 HDMI IP design,
1304 * 2 pixels less than the actual calculation for hsync_start
1308 /* Following values & calculations differ for different type of modes */
1309 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1310 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1311 (m->vsync_end - m->vdisplay) / 2);
1312 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1313 (m->vsync_start - m->vdisplay) / 2);
1314 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal / 2);
1315 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1316 (m->vtotal - m->vdisplay) / 2);
1317 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2,
1318 m->vtotal - m->vdisplay / 2);
1319 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, m->vtotal);
1320 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2,
1321 (m->vtotal / 2) + 7);
1322 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2,
1323 (m->vtotal / 2) + 2);
1324 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2,
1325 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1326 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2,
1327 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1328 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1329 (m->vtotal - m->vdisplay) / 2);
1330 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1331 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2,
1332 m->vtotal - m->vdisplay / 2);
1333 hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2,
1334 (m->vtotal / 2) + 1);
1335 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2,
1336 (m->vtotal / 2) + 1);
1337 hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2,
1338 (m->vtotal / 2) + 1);
1339 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x0);
1340 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x0);
1342 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1343 m->vsync_end - m->vdisplay);
1344 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1345 m->vsync_start - m->vdisplay);
1346 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal);
1347 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1348 m->vtotal - m->vdisplay);
1349 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2, 0xffff);
1350 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, 0xffff);
1351 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2, 0xffff);
1352 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2, 0xffff);
1353 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2, 0xffff);
1354 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2, 0xffff);
1355 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1356 m->vtotal - m->vdisplay);
1357 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1360 hdmi_reg_writev(hdata, HDMI_H_SYNC_START_0, 2,
1361 m->hsync_start - m->hdisplay - 2);
1362 hdmi_reg_writev(hdata, HDMI_H_SYNC_END_0, 2,
1363 m->hsync_end - m->hdisplay - 2);
1364 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_1_0, 2, 0xffff);
1365 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_2_0, 2, 0xffff);
1366 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_3_0, 2, 0xffff);
1367 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_4_0, 2, 0xffff);
1368 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_5_0, 2, 0xffff);
1369 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_6_0, 2, 0xffff);
1370 hdmi_reg_writev(hdata, HDMI_V_BLANK_F2_0, 2, 0xffff);
1371 hdmi_reg_writev(hdata, HDMI_V_BLANK_F3_0, 2, 0xffff);
1372 hdmi_reg_writev(hdata, HDMI_V_BLANK_F4_0, 2, 0xffff);
1373 hdmi_reg_writev(hdata, HDMI_V_BLANK_F5_0, 2, 0xffff);
1374 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_3_0, 2, 0xffff);
1375 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_4_0, 2, 0xffff);
1376 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_5_0, 2, 0xffff);
1377 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_6_0, 2, 0xffff);
1378 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, 2, 0xffff);
1379 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, 2, 0xffff);
1380 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 2, 0xffff);
1381 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff);
1383 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1384 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2,
1385 m->htotal - m->hdisplay - hquirk);
1386 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay + hquirk);
1387 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1388 if (hdata->drv_data == &exynos5433_hdmi_driver_data)
1389 hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1);
1392 static void hdmi_mode_apply(struct hdmi_context *hdata)
1394 if (hdata->drv_data->type == HDMI_TYPE13)
1395 hdmi_v13_mode_apply(hdata);
1397 hdmi_v14_mode_apply(hdata);
1399 hdmi_start(hdata, true);
1402 static void hdmiphy_conf_reset(struct hdmi_context *hdata)
1404 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, 0, 1);
1405 usleep_range(10000, 12000);
1406 hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, ~0, 1);
1407 usleep_range(10000, 12000);
1408 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
1409 usleep_range(10000, 12000);
1410 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT);
1411 usleep_range(10000, 12000);
1414 static void hdmiphy_enable_mode_set(struct hdmi_context *hdata, bool enable)
1416 u8 v = enable ? HDMI_PHY_ENABLE_MODE_SET : HDMI_PHY_DISABLE_MODE_SET;
1418 if (hdata->drv_data == &exynos5433_hdmi_driver_data)
1419 writel(v, hdata->regs_hdmiphy + HDMIPHY5433_MODE_SET_DONE);
1422 static void hdmiphy_conf_apply(struct hdmi_context *hdata)
1424 struct drm_display_mode *m = &hdata->encoder.crtc->state->mode;
1428 ret = hdmi_find_phy_conf(hdata, m->clock * 1000);
1430 DRM_DEV_ERROR(hdata->dev, "failed to find hdmiphy conf\n");
1433 phy_conf = hdata->drv_data->phy_confs.data[ret].conf;
1435 hdmi_clk_set_parents(hdata, false);
1437 hdmiphy_conf_reset(hdata);
1439 hdmiphy_enable_mode_set(hdata, true);
1440 ret = hdmiphy_reg_write_buf(hdata, 0, phy_conf, 32);
1442 DRM_DEV_ERROR(hdata->dev, "failed to configure hdmiphy\n");
1445 hdmiphy_enable_mode_set(hdata, false);
1446 hdmi_clk_set_parents(hdata, true);
1447 usleep_range(10000, 12000);
1448 hdmiphy_wait_for_pll(hdata);
1451 /* Should be called with hdata->mutex mutex held */
1452 static void hdmi_conf_apply(struct hdmi_context *hdata)
1454 hdmi_start(hdata, false);
1455 hdmi_conf_init(hdata);
1456 hdmi_audio_config(hdata);
1457 hdmi_mode_apply(hdata);
1458 hdmi_audio_control(hdata);
1461 static void hdmi_set_refclk(struct hdmi_context *hdata, bool on)
1466 regmap_update_bits(hdata->sysreg, EXYNOS5433_SYSREG_DISP_HDMI_PHY,
1467 SYSREG_HDMI_REFCLK_INT_CLK, on ? ~0 : 0);
1470 /* Should be called with hdata->mutex mutex held. */
1471 static void hdmiphy_enable(struct hdmi_context *hdata)
1476 pm_runtime_get_sync(hdata->dev);
1478 if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk))
1479 DRM_DEV_DEBUG_KMS(hdata->dev,
1480 "failed to enable regulator bulk\n");
1482 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1483 PMU_HDMI_PHY_ENABLE_BIT, 1);
1485 hdmi_set_refclk(hdata, true);
1487 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN);
1489 hdmiphy_conf_apply(hdata);
1491 hdata->powered = true;
1494 /* Should be called with hdata->mutex mutex held. */
1495 static void hdmiphy_disable(struct hdmi_context *hdata)
1497 if (!hdata->powered)
1500 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
1502 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN);
1504 hdmi_set_refclk(hdata, false);
1506 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1507 PMU_HDMI_PHY_ENABLE_BIT, 0);
1509 regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk);
1511 pm_runtime_put_sync(hdata->dev);
1513 hdata->powered = false;
1516 static void hdmi_enable(struct drm_encoder *encoder)
1518 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1520 mutex_lock(&hdata->mutex);
1522 hdmiphy_enable(hdata);
1523 hdmi_conf_apply(hdata);
1525 mutex_unlock(&hdata->mutex);
1528 static void hdmi_disable(struct drm_encoder *encoder)
1530 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1532 mutex_lock(&hdata->mutex);
1534 if (hdata->powered) {
1536 * The SFRs of VP and Mixer are updated by Vertical Sync of
1537 * Timing generator which is a part of HDMI so the sequence
1538 * to disable TV Subsystem should be as following,
1539 * VP -> Mixer -> HDMI
1541 * To achieve such sequence HDMI is disabled together with
1542 * HDMI PHY, via pipe clock callback.
1544 mutex_unlock(&hdata->mutex);
1545 cancel_delayed_work(&hdata->hotplug_work);
1546 if (hdata->notifier)
1547 cec_notifier_phys_addr_invalidate(hdata->notifier);
1551 mutex_unlock(&hdata->mutex);
1554 static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
1555 .mode_fixup = hdmi_mode_fixup,
1556 .enable = hdmi_enable,
1557 .disable = hdmi_disable,
1560 static const struct drm_encoder_funcs exynos_hdmi_encoder_funcs = {
1561 .destroy = drm_encoder_cleanup,
1564 static void hdmi_audio_shutdown(struct device *dev, void *data)
1566 struct hdmi_context *hdata = dev_get_drvdata(dev);
1568 mutex_lock(&hdata->mutex);
1570 hdata->audio.mute = true;
1573 hdmi_audio_control(hdata);
1575 mutex_unlock(&hdata->mutex);
1578 static int hdmi_audio_hw_params(struct device *dev, void *data,
1579 struct hdmi_codec_daifmt *daifmt,
1580 struct hdmi_codec_params *params)
1582 struct hdmi_context *hdata = dev_get_drvdata(dev);
1584 if (daifmt->fmt != HDMI_I2S || daifmt->bit_clk_inv ||
1585 daifmt->frame_clk_inv || daifmt->bit_clk_master ||
1586 daifmt->frame_clk_master) {
1587 dev_err(dev, "%s: Bad flags %d %d %d %d\n", __func__,
1588 daifmt->bit_clk_inv, daifmt->frame_clk_inv,
1589 daifmt->bit_clk_master,
1590 daifmt->frame_clk_master);
1594 mutex_lock(&hdata->mutex);
1596 hdata->audio.params = *params;
1598 if (hdata->powered) {
1599 hdmi_audio_config(hdata);
1600 hdmi_audio_infoframe_apply(hdata);
1603 mutex_unlock(&hdata->mutex);
1608 static int hdmi_audio_digital_mute(struct device *dev, void *data, bool mute)
1610 struct hdmi_context *hdata = dev_get_drvdata(dev);
1612 mutex_lock(&hdata->mutex);
1614 hdata->audio.mute = mute;
1617 hdmi_audio_control(hdata);
1619 mutex_unlock(&hdata->mutex);
1624 static int hdmi_audio_get_eld(struct device *dev, void *data, uint8_t *buf,
1627 struct hdmi_context *hdata = dev_get_drvdata(dev);
1628 struct drm_connector *connector = &hdata->connector;
1630 memcpy(buf, connector->eld, min(sizeof(connector->eld), len));
1635 static const struct hdmi_codec_ops audio_codec_ops = {
1636 .hw_params = hdmi_audio_hw_params,
1637 .audio_shutdown = hdmi_audio_shutdown,
1638 .digital_mute = hdmi_audio_digital_mute,
1639 .get_eld = hdmi_audio_get_eld,
1642 static int hdmi_register_audio_device(struct hdmi_context *hdata)
1644 struct hdmi_codec_pdata codec_data = {
1645 .ops = &audio_codec_ops,
1646 .max_i2s_channels = 6,
1650 hdata->audio.pdev = platform_device_register_data(
1651 hdata->dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_AUTO,
1652 &codec_data, sizeof(codec_data));
1654 return PTR_ERR_OR_ZERO(hdata->audio.pdev);
1657 static void hdmi_hotplug_work_func(struct work_struct *work)
1659 struct hdmi_context *hdata;
1661 hdata = container_of(work, struct hdmi_context, hotplug_work.work);
1664 drm_helper_hpd_irq_event(hdata->drm_dev);
1667 static irqreturn_t hdmi_irq_thread(int irq, void *arg)
1669 struct hdmi_context *hdata = arg;
1671 mod_delayed_work(system_wq, &hdata->hotplug_work,
1672 msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
1677 static int hdmi_clks_get(struct hdmi_context *hdata,
1678 const struct string_array_spec *names,
1681 struct device *dev = hdata->dev;
1684 for (i = 0; i < names->count; ++i) {
1685 struct clk *clk = devm_clk_get(dev, names->data[i]);
1688 int ret = PTR_ERR(clk);
1690 dev_err(dev, "Cannot get clock %s, %d\n",
1691 names->data[i], ret);
1702 static int hdmi_clk_init(struct hdmi_context *hdata)
1704 const struct hdmi_driver_data *drv_data = hdata->drv_data;
1705 int count = drv_data->clk_gates.count + drv_data->clk_muxes.count;
1706 struct device *dev = hdata->dev;
1713 clks = devm_kcalloc(dev, count, sizeof(*clks), GFP_KERNEL);
1717 hdata->clk_gates = clks;
1718 hdata->clk_muxes = clks + drv_data->clk_gates.count;
1720 ret = hdmi_clks_get(hdata, &drv_data->clk_gates, hdata->clk_gates);
1724 return hdmi_clks_get(hdata, &drv_data->clk_muxes, hdata->clk_muxes);
1728 static void hdmiphy_clk_enable(struct exynos_drm_clk *clk, bool enable)
1730 struct hdmi_context *hdata = container_of(clk, struct hdmi_context,
1732 mutex_lock(&hdata->mutex);
1735 hdmiphy_enable(hdata);
1737 hdmiphy_disable(hdata);
1739 mutex_unlock(&hdata->mutex);
1742 static int hdmi_bridge_init(struct hdmi_context *hdata)
1744 struct device *dev = hdata->dev;
1745 struct device_node *ep, *np;
1747 ep = of_graph_get_endpoint_by_regs(dev->of_node, 1, -1);
1751 np = of_graph_get_remote_port_parent(ep);
1754 DRM_DEV_ERROR(dev, "failed to get remote port parent");
1758 hdata->bridge = of_drm_find_bridge(np);
1762 return -EPROBE_DEFER;
1767 static int hdmi_resources_init(struct hdmi_context *hdata)
1769 struct device *dev = hdata->dev;
1772 DRM_DEV_DEBUG_KMS(dev, "HDMI resource init\n");
1774 hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN);
1775 if (IS_ERR(hdata->hpd_gpio)) {
1776 DRM_DEV_ERROR(dev, "cannot get hpd gpio property\n");
1777 return PTR_ERR(hdata->hpd_gpio);
1780 hdata->irq = gpiod_to_irq(hdata->hpd_gpio);
1781 if (hdata->irq < 0) {
1782 DRM_DEV_ERROR(dev, "failed to get GPIO irq\n");
1786 ret = hdmi_clk_init(hdata);
1790 ret = hdmi_clk_set_parents(hdata, false);
1794 for (i = 0; i < ARRAY_SIZE(supply); ++i)
1795 hdata->regul_bulk[i].supply = supply[i];
1797 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
1799 if (ret != -EPROBE_DEFER)
1800 DRM_DEV_ERROR(dev, "failed to get regulators\n");
1804 hdata->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en");
1806 if (PTR_ERR(hdata->reg_hdmi_en) != -ENODEV) {
1807 if (IS_ERR(hdata->reg_hdmi_en))
1808 return PTR_ERR(hdata->reg_hdmi_en);
1810 ret = regulator_enable(hdata->reg_hdmi_en);
1813 "failed to enable hdmi-en regulator\n");
1818 return hdmi_bridge_init(hdata);
1821 static const struct of_device_id hdmi_match_types[] = {
1823 .compatible = "samsung,exynos4210-hdmi",
1824 .data = &exynos4210_hdmi_driver_data,
1826 .compatible = "samsung,exynos4212-hdmi",
1827 .data = &exynos4212_hdmi_driver_data,
1829 .compatible = "samsung,exynos5420-hdmi",
1830 .data = &exynos5420_hdmi_driver_data,
1832 .compatible = "samsung,exynos5433-hdmi",
1833 .data = &exynos5433_hdmi_driver_data,
1838 MODULE_DEVICE_TABLE (of, hdmi_match_types);
1840 static int hdmi_bind(struct device *dev, struct device *master, void *data)
1842 struct drm_device *drm_dev = data;
1843 struct hdmi_context *hdata = dev_get_drvdata(dev);
1844 struct drm_encoder *encoder = &hdata->encoder;
1845 struct exynos_drm_crtc *crtc;
1848 hdata->drm_dev = drm_dev;
1850 hdata->phy_clk.enable = hdmiphy_clk_enable;
1852 drm_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs,
1853 DRM_MODE_ENCODER_TMDS, NULL);
1855 drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
1857 ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_HDMI);
1861 crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI);
1862 crtc->pipe_clk = &hdata->phy_clk;
1864 ret = hdmi_create_connector(encoder);
1866 DRM_DEV_ERROR(dev, "failed to create connector ret = %d\n",
1868 drm_encoder_cleanup(encoder);
1875 static void hdmi_unbind(struct device *dev, struct device *master, void *data)
1879 static const struct component_ops hdmi_component_ops = {
1881 .unbind = hdmi_unbind,
1884 static int hdmi_get_ddc_adapter(struct hdmi_context *hdata)
1886 const char *compatible_str = "samsung,exynos4210-hdmiddc";
1887 struct device_node *np;
1888 struct i2c_adapter *adpt;
1890 np = of_find_compatible_node(NULL, NULL, compatible_str);
1892 np = of_get_next_parent(np);
1894 np = of_parse_phandle(hdata->dev->of_node, "ddc", 0);
1897 DRM_DEV_ERROR(hdata->dev,
1898 "Failed to find ddc node in device tree\n");
1902 adpt = of_find_i2c_adapter_by_node(np);
1906 DRM_INFO("Failed to get ddc i2c adapter by node\n");
1907 return -EPROBE_DEFER;
1910 hdata->ddc_adpt = adpt;
1915 static int hdmi_get_phy_io(struct hdmi_context *hdata)
1917 const char *compatible_str = "samsung,exynos4212-hdmiphy";
1918 struct device_node *np;
1921 np = of_find_compatible_node(NULL, NULL, compatible_str);
1923 np = of_parse_phandle(hdata->dev->of_node, "phy", 0);
1925 DRM_DEV_ERROR(hdata->dev,
1926 "Failed to find hdmiphy node in device tree\n");
1931 if (hdata->drv_data->is_apb_phy) {
1932 hdata->regs_hdmiphy = of_iomap(np, 0);
1933 if (!hdata->regs_hdmiphy) {
1934 DRM_DEV_ERROR(hdata->dev,
1935 "failed to ioremap hdmi phy\n");
1940 hdata->hdmiphy_port = of_find_i2c_device_by_node(np);
1941 if (!hdata->hdmiphy_port) {
1942 DRM_INFO("Failed to get hdmi phy i2c client\n");
1943 ret = -EPROBE_DEFER;
1953 static int hdmi_probe(struct platform_device *pdev)
1955 struct hdmi_audio_infoframe *audio_infoframe;
1956 struct device *dev = &pdev->dev;
1957 struct hdmi_context *hdata;
1958 struct resource *res;
1961 hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
1965 hdata->drv_data = of_device_get_match_data(dev);
1967 platform_set_drvdata(pdev, hdata);
1971 mutex_init(&hdata->mutex);
1973 ret = hdmi_resources_init(hdata);
1975 if (ret != -EPROBE_DEFER)
1976 DRM_DEV_ERROR(dev, "hdmi_resources_init failed\n");
1980 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1981 hdata->regs = devm_ioremap_resource(dev, res);
1982 if (IS_ERR(hdata->regs)) {
1983 ret = PTR_ERR(hdata->regs);
1987 ret = hdmi_get_ddc_adapter(hdata);
1991 ret = hdmi_get_phy_io(hdata);
1995 INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func);
1997 ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
1998 hdmi_irq_thread, IRQF_TRIGGER_RISING |
1999 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
2002 DRM_DEV_ERROR(dev, "failed to register hdmi interrupt\n");
2006 hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node,
2007 "samsung,syscon-phandle");
2008 if (IS_ERR(hdata->pmureg)) {
2009 DRM_DEV_ERROR(dev, "syscon regmap lookup failed.\n");
2010 ret = -EPROBE_DEFER;
2014 if (hdata->drv_data->has_sysreg) {
2015 hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
2016 "samsung,sysreg-phandle");
2017 if (IS_ERR(hdata->sysreg)) {
2018 DRM_DEV_ERROR(dev, "sysreg regmap lookup failed.\n");
2019 ret = -EPROBE_DEFER;
2024 pm_runtime_enable(dev);
2026 audio_infoframe = &hdata->audio.infoframe;
2027 hdmi_audio_infoframe_init(audio_infoframe);
2028 audio_infoframe->coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
2029 audio_infoframe->sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
2030 audio_infoframe->sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
2031 audio_infoframe->channels = 2;
2033 ret = hdmi_register_audio_device(hdata);
2035 goto err_rpm_disable;
2037 ret = component_add(&pdev->dev, &hdmi_component_ops);
2039 goto err_unregister_audio;
2043 err_unregister_audio:
2044 platform_device_unregister(hdata->audio.pdev);
2047 pm_runtime_disable(dev);
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,