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1/*
2 * Copyright (C) 2011 Samsung Electronics Co.Ltd
3 * Authors:
4 * Seung-Woo Kim <sw0312.kim@samsung.com>
5 * Inki Dae <inki.dae@samsung.com>
6 * Joonyoung Shim <jy0922.shim@samsung.com>
7 *
8 * Based on drivers/media/video/s5p-tv/hdmi_drv.c
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 */
16
17#include <drm/drmP.h>
18#include <drm/drm_edid.h>
19#include <drm/drm_crtc_helper.h>
20#include <drm/drm_atomic_helper.h>
21
22#include "regs-hdmi.h"
23
24#include <linux/kernel.h>
25#include <linux/wait.h>
26#include <linux/i2c.h>
27#include <linux/platform_device.h>
28#include <linux/interrupt.h>
29#include <linux/irq.h>
30#include <linux/delay.h>
31#include <linux/pm_runtime.h>
32#include <linux/clk.h>
33#include <linux/gpio/consumer.h>
34#include <linux/regulator/consumer.h>
35#include <linux/io.h>
36#include <linux/of_address.h>
37#include <linux/of_device.h>
38#include <linux/hdmi.h>
39#include <linux/component.h>
40#include <linux/mfd/syscon.h>
41#include <linux/regmap.h>
42
43#include <drm/exynos_drm.h>
44
45#include "exynos_drm_drv.h"
46#include "exynos_drm_crtc.h"
47
48#define HOTPLUG_DEBOUNCE_MS 1100
49
50/* AVI header and aspect ratio */
51#define HDMI_AVI_VERSION 0x02
52#define HDMI_AVI_LENGTH 0x0D
53
54/* AUI header info */
55#define HDMI_AUI_VERSION 0x01
56#define HDMI_AUI_LENGTH 0x0A
57#define AVI_SAME_AS_PIC_ASPECT_RATIO 0x8
58#define AVI_4_3_CENTER_RATIO 0x9
59#define AVI_16_9_CENTER_RATIO 0xa
60
61enum hdmi_type {
62 HDMI_TYPE13,
63 HDMI_TYPE14,
64 HDMI_TYPE_COUNT
65};
66
67#define HDMI_MAPPED_BASE 0xffff0000
68
69enum hdmi_mapped_regs {
70 HDMI_PHY_STATUS = HDMI_MAPPED_BASE,
71 HDMI_PHY_RSTOUT,
72 HDMI_ACR_CON,
73 HDMI_ACR_MCTS0,
74 HDMI_ACR_CTS0,
75 HDMI_ACR_N0
76};
77
78static const u32 hdmi_reg_map[][HDMI_TYPE_COUNT] = {
79 { HDMI_V13_PHY_STATUS, HDMI_PHY_STATUS_0 },
80 { HDMI_V13_PHY_RSTOUT, HDMI_V14_PHY_RSTOUT },
81 { HDMI_V13_ACR_CON, HDMI_V14_ACR_CON },
82 { HDMI_V13_ACR_MCTS0, HDMI_V14_ACR_MCTS0 },
83 { HDMI_V13_ACR_CTS0, HDMI_V14_ACR_CTS0 },
84 { HDMI_V13_ACR_N0, HDMI_V14_ACR_N0 },
85};
86
87static const char * const supply[] = {
88 "vdd",
89 "vdd_osc",
90 "vdd_pll",
91};
92
93struct hdmi_driver_data {
94 unsigned int type;
95 const struct hdmiphy_config *phy_confs;
96 unsigned int phy_conf_count;
97 unsigned int is_apb_phy:1;
98};
99
100struct hdmi_context {
101 struct drm_encoder encoder;
102 struct device *dev;
103 struct drm_device *drm_dev;
104 struct drm_connector connector;
105 bool powered;
106 bool dvi_mode;
107 struct delayed_work hotplug_work;
108 struct drm_display_mode current_mode;
109 u8 cea_video_id;
110 const struct hdmi_driver_data *drv_data;
111
112 void __iomem *regs;
113 void __iomem *regs_hdmiphy;
114 struct i2c_client *hdmiphy_port;
115 struct i2c_adapter *ddc_adpt;
116 struct gpio_desc *hpd_gpio;
117 int irq;
118 struct regmap *pmureg;
119 struct clk *hdmi;
120 struct clk *sclk_hdmi;
121 struct clk *sclk_pixel;
122 struct clk *sclk_hdmiphy;
123 struct clk *mout_hdmi;
124 struct regulator_bulk_data regul_bulk[ARRAY_SIZE(supply)];
125 struct regulator *reg_hdmi_en;
126};
127
128static inline struct hdmi_context *encoder_to_hdmi(struct drm_encoder *e)
129{
130 return container_of(e, struct hdmi_context, encoder);
131}
132
133static inline struct hdmi_context *connector_to_hdmi(struct drm_connector *c)
134{
135 return container_of(c, struct hdmi_context, connector);
136}
137
138struct hdmiphy_config {
139 int pixel_clock;
140 u8 conf[32];
141};
142
143/* list of phy config settings */
144static const struct hdmiphy_config hdmiphy_v13_configs[] = {
145 {
146 .pixel_clock = 27000000,
147 .conf = {
148 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
149 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
150 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
151 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
152 },
153 },
154 {
155 .pixel_clock = 27027000,
156 .conf = {
157 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
158 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
159 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
160 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x80,
161 },
162 },
163 {
164 .pixel_clock = 74176000,
165 .conf = {
166 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B,
167 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9,
168 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
169 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x80,
170 },
171 },
172 {
173 .pixel_clock = 74250000,
174 .conf = {
175 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40,
176 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba,
177 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0,
178 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x80,
179 },
180 },
181 {
182 .pixel_clock = 148500000,
183 .conf = {
184 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40,
185 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba,
186 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
187 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x80,
188 },
189 },
190};
191
192static const struct hdmiphy_config hdmiphy_v14_configs[] = {
193 {
194 .pixel_clock = 25200000,
195 .conf = {
196 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08,
197 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80,
198 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
199 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
200 },
201 },
202 {
203 .pixel_clock = 27000000,
204 .conf = {
205 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20,
206 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80,
207 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
208 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
209 },
210 },
211 {
212 .pixel_clock = 27027000,
213 .conf = {
214 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08,
215 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
216 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
217 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
218 },
219 },
220 {
221 .pixel_clock = 36000000,
222 .conf = {
223 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08,
224 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
225 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
226 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
227 },
228 },
229 {
230 .pixel_clock = 40000000,
231 .conf = {
232 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08,
233 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80,
234 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
235 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
236 },
237 },
238 {
239 .pixel_clock = 65000000,
240 .conf = {
241 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08,
242 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80,
243 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
244 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
245 },
246 },
247 {
248 .pixel_clock = 71000000,
249 .conf = {
250 0x01, 0xd1, 0x3b, 0x35, 0x40, 0x0c, 0x04, 0x08,
251 0x85, 0xa0, 0x63, 0xd9, 0x45, 0xa0, 0xac, 0x80,
252 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
253 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
254 },
255 },
256 {
257 .pixel_clock = 73250000,
258 .conf = {
259 0x01, 0xd1, 0x3d, 0x35, 0x40, 0x18, 0x02, 0x08,
260 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
261 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
262 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
263 },
264 },
265 {
266 .pixel_clock = 74176000,
267 .conf = {
268 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08,
269 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80,
270 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
271 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
272 },
273 },
274 {
275 .pixel_clock = 74250000,
276 .conf = {
277 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08,
278 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
279 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
280 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
281 },
282 },
283 {
284 .pixel_clock = 83500000,
285 .conf = {
286 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08,
287 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80,
288 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
289 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
290 },
291 },
292 {
293 .pixel_clock = 106500000,
294 .conf = {
295 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08,
296 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
297 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
298 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
299 },
300 },
301 {
302 .pixel_clock = 108000000,
303 .conf = {
304 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08,
305 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
306 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
307 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
308 },
309 },
310 {
311 .pixel_clock = 115500000,
312 .conf = {
313 0x01, 0xd1, 0x30, 0x12, 0x40, 0x40, 0x10, 0x08,
314 0x80, 0x80, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80,
315 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
316 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
317 },
318 },
319 {
320 .pixel_clock = 119000000,
321 .conf = {
322 0x01, 0xd1, 0x32, 0x1a, 0x40, 0x30, 0xd8, 0x08,
323 0x04, 0xa0, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
324 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
325 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
326 },
327 },
328 {
329 .pixel_clock = 146250000,
330 .conf = {
331 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08,
332 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
333 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
334 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
335 },
336 },
337 {
338 .pixel_clock = 148500000,
339 .conf = {
340 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08,
341 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
342 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
343 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
344 },
345 },
346};
347
348static const struct hdmiphy_config hdmiphy_5420_configs[] = {
349 {
350 .pixel_clock = 25200000,
351 .conf = {
352 0x01, 0x52, 0x3F, 0x55, 0x40, 0x01, 0x00, 0xC8,
353 0x82, 0xC8, 0xBD, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
354 0x06, 0x80, 0x01, 0x84, 0x05, 0x02, 0x24, 0x66,
355 0x54, 0xF4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
356 },
357 },
358 {
359 .pixel_clock = 27000000,
360 .conf = {
361 0x01, 0xD1, 0x22, 0x51, 0x40, 0x08, 0xFC, 0xE0,
362 0x98, 0xE8, 0xCB, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
363 0x06, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
364 0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
365 },
366 },
367 {
368 .pixel_clock = 27027000,
369 .conf = {
370 0x01, 0xD1, 0x2D, 0x72, 0x40, 0x64, 0x12, 0xC8,
371 0x43, 0xE8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
372 0x26, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
373 0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
374 },
375 },
376 {
377 .pixel_clock = 36000000,
378 .conf = {
379 0x01, 0x51, 0x2D, 0x55, 0x40, 0x40, 0x00, 0xC8,
380 0x02, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
381 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
382 0x54, 0xAB, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
383 },
384 },
385 {
386 .pixel_clock = 40000000,
387 .conf = {
388 0x01, 0xD1, 0x21, 0x31, 0x40, 0x3C, 0x28, 0xC8,
389 0x87, 0xE8, 0xC8, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
390 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
391 0x54, 0x9A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
392 },
393 },
394 {
395 .pixel_clock = 65000000,
396 .conf = {
397 0x01, 0xD1, 0x36, 0x34, 0x40, 0x0C, 0x04, 0xC8,
398 0x82, 0xE8, 0x45, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
399 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
400 0x54, 0xBD, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
401 },
402 },
403 {
404 .pixel_clock = 71000000,
405 .conf = {
406 0x01, 0xD1, 0x3B, 0x35, 0x40, 0x0C, 0x04, 0xC8,
407 0x85, 0xE8, 0x63, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
408 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
409 0x54, 0x57, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
410 },
411 },
412 {
413 .pixel_clock = 73250000,
414 .conf = {
415 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x78, 0x8D, 0xC8,
416 0x81, 0xE8, 0xB7, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
417 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
418 0x54, 0xA8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
419 },
420 },
421 {
422 .pixel_clock = 74176000,
423 .conf = {
424 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0xC8,
425 0x81, 0xE8, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
426 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
427 0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
428 },
429 },
430 {
431 .pixel_clock = 74250000,
432 .conf = {
433 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08,
434 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
435 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
436 0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
437 },
438 },
439 {
440 .pixel_clock = 83500000,
441 .conf = {
442 0x01, 0xD1, 0x23, 0x11, 0x40, 0x0C, 0xFB, 0xC8,
443 0x85, 0xE8, 0xD1, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
444 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
445 0x54, 0x4A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
446 },
447 },
448 {
449 .pixel_clock = 88750000,
450 .conf = {
451 0x01, 0xD1, 0x25, 0x11, 0x40, 0x18, 0xFF, 0xC8,
452 0x83, 0xE8, 0xDE, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
453 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
454 0x54, 0x45, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
455 },
456 },
457 {
458 .pixel_clock = 106500000,
459 .conf = {
460 0x01, 0xD1, 0x2C, 0x12, 0x40, 0x0C, 0x09, 0xC8,
461 0x84, 0xE8, 0x0A, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
462 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
463 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
464 },
465 },
466 {
467 .pixel_clock = 108000000,
468 .conf = {
469 0x01, 0x51, 0x2D, 0x15, 0x40, 0x01, 0x00, 0xC8,
470 0x82, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
471 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
472 0x54, 0xC7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
473 },
474 },
475 {
476 .pixel_clock = 115500000,
477 .conf = {
478 0x01, 0xD1, 0x30, 0x14, 0x40, 0x0C, 0x03, 0xC8,
479 0x88, 0xE8, 0x21, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
480 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
481 0x54, 0x6A, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
482 },
483 },
484 {
485 .pixel_clock = 146250000,
486 .conf = {
487 0x01, 0xD1, 0x3D, 0x15, 0x40, 0x18, 0xFD, 0xC8,
488 0x83, 0xE8, 0x6E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
489 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
490 0x54, 0x54, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
491 },
492 },
493 {
494 .pixel_clock = 148500000,
495 .conf = {
496 0x01, 0xD1, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08,
497 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
498 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
499 0x54, 0x4B, 0x25, 0x03, 0x00, 0x80, 0x01, 0x80,
500 },
501 },
502};
503
504static struct hdmi_driver_data exynos5420_hdmi_driver_data = {
505 .type = HDMI_TYPE14,
506 .phy_confs = hdmiphy_5420_configs,
507 .phy_conf_count = ARRAY_SIZE(hdmiphy_5420_configs),
508 .is_apb_phy = 1,
509};
510
511static struct hdmi_driver_data exynos4212_hdmi_driver_data = {
512 .type = HDMI_TYPE14,
513 .phy_confs = hdmiphy_v14_configs,
514 .phy_conf_count = ARRAY_SIZE(hdmiphy_v14_configs),
515 .is_apb_phy = 0,
516};
517
518static struct hdmi_driver_data exynos4210_hdmi_driver_data = {
519 .type = HDMI_TYPE13,
520 .phy_confs = hdmiphy_v13_configs,
521 .phy_conf_count = ARRAY_SIZE(hdmiphy_v13_configs),
522 .is_apb_phy = 0,
523};
524
525static inline u32 hdmi_map_reg(struct hdmi_context *hdata, u32 reg_id)
526{
527 if ((reg_id & 0xffff0000) == HDMI_MAPPED_BASE)
528 return hdmi_reg_map[reg_id & 0xffff][hdata->drv_data->type];
529 return reg_id;
530}
531
532static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id)
533{
534 return readl(hdata->regs + hdmi_map_reg(hdata, reg_id));
535}
536
537static inline void hdmi_reg_writeb(struct hdmi_context *hdata,
538 u32 reg_id, u8 value)
539{
540 writel(value, hdata->regs + hdmi_map_reg(hdata, reg_id));
541}
542
543static inline void hdmi_reg_writev(struct hdmi_context *hdata, u32 reg_id,
544 int bytes, u32 val)
545{
546 reg_id = hdmi_map_reg(hdata, reg_id);
547
548 while (--bytes >= 0) {
549 writel(val & 0xff, hdata->regs + reg_id);
550 val >>= 8;
551 reg_id += 4;
552 }
553}
554
555static inline void hdmi_reg_writemask(struct hdmi_context *hdata,
556 u32 reg_id, u32 value, u32 mask)
557{
558 u32 old;
559
560 reg_id = hdmi_map_reg(hdata, reg_id);
561 old = readl(hdata->regs + reg_id);
562 value = (value & mask) | (old & ~mask);
563 writel(value, hdata->regs + reg_id);
564}
565
566static int hdmiphy_reg_write_buf(struct hdmi_context *hdata,
567 u32 reg_offset, const u8 *buf, u32 len)
568{
569 if ((reg_offset + len) > 32)
570 return -EINVAL;
571
572 if (hdata->hdmiphy_port) {
573 int ret;
574
575 ret = i2c_master_send(hdata->hdmiphy_port, buf, len);
576 if (ret == len)
577 return 0;
578 return ret;
579 } else {
580 int i;
581 for (i = 0; i < len; i++)
582 writel(buf[i], hdata->regs_hdmiphy +
583 ((reg_offset + i)<<2));
584 return 0;
585 }
586}
587
588static void hdmi_v13_regs_dump(struct hdmi_context *hdata, char *prefix)
589{
590#define DUMPREG(reg_id) \
591 DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \
592 readl(hdata->regs + reg_id))
593 DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix);
594 DUMPREG(HDMI_INTC_FLAG);
595 DUMPREG(HDMI_INTC_CON);
596 DUMPREG(HDMI_HPD_STATUS);
597 DUMPREG(HDMI_V13_PHY_RSTOUT);
598 DUMPREG(HDMI_V13_PHY_VPLL);
599 DUMPREG(HDMI_V13_PHY_CMU);
600 DUMPREG(HDMI_V13_CORE_RSTOUT);
601
602 DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix);
603 DUMPREG(HDMI_CON_0);
604 DUMPREG(HDMI_CON_1);
605 DUMPREG(HDMI_CON_2);
606 DUMPREG(HDMI_SYS_STATUS);
607 DUMPREG(HDMI_V13_PHY_STATUS);
608 DUMPREG(HDMI_STATUS_EN);
609 DUMPREG(HDMI_HPD);
610 DUMPREG(HDMI_MODE_SEL);
611 DUMPREG(HDMI_V13_HPD_GEN);
612 DUMPREG(HDMI_V13_DC_CONTROL);
613 DUMPREG(HDMI_V13_VIDEO_PATTERN_GEN);
614
615 DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix);
616 DUMPREG(HDMI_H_BLANK_0);
617 DUMPREG(HDMI_H_BLANK_1);
618 DUMPREG(HDMI_V13_V_BLANK_0);
619 DUMPREG(HDMI_V13_V_BLANK_1);
620 DUMPREG(HDMI_V13_V_BLANK_2);
621 DUMPREG(HDMI_V13_H_V_LINE_0);
622 DUMPREG(HDMI_V13_H_V_LINE_1);
623 DUMPREG(HDMI_V13_H_V_LINE_2);
624 DUMPREG(HDMI_VSYNC_POL);
625 DUMPREG(HDMI_INT_PRO_MODE);
626 DUMPREG(HDMI_V13_V_BLANK_F_0);
627 DUMPREG(HDMI_V13_V_BLANK_F_1);
628 DUMPREG(HDMI_V13_V_BLANK_F_2);
629 DUMPREG(HDMI_V13_H_SYNC_GEN_0);
630 DUMPREG(HDMI_V13_H_SYNC_GEN_1);
631 DUMPREG(HDMI_V13_H_SYNC_GEN_2);
632 DUMPREG(HDMI_V13_V_SYNC_GEN_1_0);
633 DUMPREG(HDMI_V13_V_SYNC_GEN_1_1);
634 DUMPREG(HDMI_V13_V_SYNC_GEN_1_2);
635 DUMPREG(HDMI_V13_V_SYNC_GEN_2_0);
636 DUMPREG(HDMI_V13_V_SYNC_GEN_2_1);
637 DUMPREG(HDMI_V13_V_SYNC_GEN_2_2);
638 DUMPREG(HDMI_V13_V_SYNC_GEN_3_0);
639 DUMPREG(HDMI_V13_V_SYNC_GEN_3_1);
640 DUMPREG(HDMI_V13_V_SYNC_GEN_3_2);
641
642 DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix);
643 DUMPREG(HDMI_TG_CMD);
644 DUMPREG(HDMI_TG_H_FSZ_L);
645 DUMPREG(HDMI_TG_H_FSZ_H);
646 DUMPREG(HDMI_TG_HACT_ST_L);
647 DUMPREG(HDMI_TG_HACT_ST_H);
648 DUMPREG(HDMI_TG_HACT_SZ_L);
649 DUMPREG(HDMI_TG_HACT_SZ_H);
650 DUMPREG(HDMI_TG_V_FSZ_L);
651 DUMPREG(HDMI_TG_V_FSZ_H);
652 DUMPREG(HDMI_TG_VSYNC_L);
653 DUMPREG(HDMI_TG_VSYNC_H);
654 DUMPREG(HDMI_TG_VSYNC2_L);
655 DUMPREG(HDMI_TG_VSYNC2_H);
656 DUMPREG(HDMI_TG_VACT_ST_L);
657 DUMPREG(HDMI_TG_VACT_ST_H);
658 DUMPREG(HDMI_TG_VACT_SZ_L);
659 DUMPREG(HDMI_TG_VACT_SZ_H);
660 DUMPREG(HDMI_TG_FIELD_CHG_L);
661 DUMPREG(HDMI_TG_FIELD_CHG_H);
662 DUMPREG(HDMI_TG_VACT_ST2_L);
663 DUMPREG(HDMI_TG_VACT_ST2_H);
664 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
665 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
666 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
667 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
668 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
669 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
670 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
671 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
672#undef DUMPREG
673}
674
675static void hdmi_v14_regs_dump(struct hdmi_context *hdata, char *prefix)
676{
677 int i;
678
679#define DUMPREG(reg_id) \
680 DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \
681 readl(hdata->regs + reg_id))
682
683 DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix);
684 DUMPREG(HDMI_INTC_CON);
685 DUMPREG(HDMI_INTC_FLAG);
686 DUMPREG(HDMI_HPD_STATUS);
687 DUMPREG(HDMI_INTC_CON_1);
688 DUMPREG(HDMI_INTC_FLAG_1);
689 DUMPREG(HDMI_PHY_STATUS_0);
690 DUMPREG(HDMI_PHY_STATUS_PLL);
691 DUMPREG(HDMI_PHY_CON_0);
692 DUMPREG(HDMI_V14_PHY_RSTOUT);
693 DUMPREG(HDMI_PHY_VPLL);
694 DUMPREG(HDMI_PHY_CMU);
695 DUMPREG(HDMI_CORE_RSTOUT);
696
697 DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix);
698 DUMPREG(HDMI_CON_0);
699 DUMPREG(HDMI_CON_1);
700 DUMPREG(HDMI_CON_2);
701 DUMPREG(HDMI_SYS_STATUS);
702 DUMPREG(HDMI_PHY_STATUS_0);
703 DUMPREG(HDMI_STATUS_EN);
704 DUMPREG(HDMI_HPD);
705 DUMPREG(HDMI_MODE_SEL);
706 DUMPREG(HDMI_ENC_EN);
707 DUMPREG(HDMI_DC_CONTROL);
708 DUMPREG(HDMI_VIDEO_PATTERN_GEN);
709
710 DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix);
711 DUMPREG(HDMI_H_BLANK_0);
712 DUMPREG(HDMI_H_BLANK_1);
713 DUMPREG(HDMI_V2_BLANK_0);
714 DUMPREG(HDMI_V2_BLANK_1);
715 DUMPREG(HDMI_V1_BLANK_0);
716 DUMPREG(HDMI_V1_BLANK_1);
717 DUMPREG(HDMI_V_LINE_0);
718 DUMPREG(HDMI_V_LINE_1);
719 DUMPREG(HDMI_H_LINE_0);
720 DUMPREG(HDMI_H_LINE_1);
721 DUMPREG(HDMI_HSYNC_POL);
722
723 DUMPREG(HDMI_VSYNC_POL);
724 DUMPREG(HDMI_INT_PRO_MODE);
725 DUMPREG(HDMI_V_BLANK_F0_0);
726 DUMPREG(HDMI_V_BLANK_F0_1);
727 DUMPREG(HDMI_V_BLANK_F1_0);
728 DUMPREG(HDMI_V_BLANK_F1_1);
729
730 DUMPREG(HDMI_H_SYNC_START_0);
731 DUMPREG(HDMI_H_SYNC_START_1);
732 DUMPREG(HDMI_H_SYNC_END_0);
733 DUMPREG(HDMI_H_SYNC_END_1);
734
735 DUMPREG(HDMI_V_SYNC_LINE_BEF_2_0);
736 DUMPREG(HDMI_V_SYNC_LINE_BEF_2_1);
737 DUMPREG(HDMI_V_SYNC_LINE_BEF_1_0);
738 DUMPREG(HDMI_V_SYNC_LINE_BEF_1_1);
739
740 DUMPREG(HDMI_V_SYNC_LINE_AFT_2_0);
741 DUMPREG(HDMI_V_SYNC_LINE_AFT_2_1);
742 DUMPREG(HDMI_V_SYNC_LINE_AFT_1_0);
743 DUMPREG(HDMI_V_SYNC_LINE_AFT_1_1);
744
745 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_0);
746 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_1);
747 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_0);
748 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_1);
749
750 DUMPREG(HDMI_V_BLANK_F2_0);
751 DUMPREG(HDMI_V_BLANK_F2_1);
752 DUMPREG(HDMI_V_BLANK_F3_0);
753 DUMPREG(HDMI_V_BLANK_F3_1);
754 DUMPREG(HDMI_V_BLANK_F4_0);
755 DUMPREG(HDMI_V_BLANK_F4_1);
756 DUMPREG(HDMI_V_BLANK_F5_0);
757 DUMPREG(HDMI_V_BLANK_F5_1);
758
759 DUMPREG(HDMI_V_SYNC_LINE_AFT_3_0);
760 DUMPREG(HDMI_V_SYNC_LINE_AFT_3_1);
761 DUMPREG(HDMI_V_SYNC_LINE_AFT_4_0);
762 DUMPREG(HDMI_V_SYNC_LINE_AFT_4_1);
763 DUMPREG(HDMI_V_SYNC_LINE_AFT_5_0);
764 DUMPREG(HDMI_V_SYNC_LINE_AFT_5_1);
765 DUMPREG(HDMI_V_SYNC_LINE_AFT_6_0);
766 DUMPREG(HDMI_V_SYNC_LINE_AFT_6_1);
767
768 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_0);
769 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_1);
770 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_0);
771 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_1);
772 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_0);
773 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_1);
774 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_0);
775 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_1);
776
777 DUMPREG(HDMI_VACT_SPACE_1_0);
778 DUMPREG(HDMI_VACT_SPACE_1_1);
779 DUMPREG(HDMI_VACT_SPACE_2_0);
780 DUMPREG(HDMI_VACT_SPACE_2_1);
781 DUMPREG(HDMI_VACT_SPACE_3_0);
782 DUMPREG(HDMI_VACT_SPACE_3_1);
783 DUMPREG(HDMI_VACT_SPACE_4_0);
784 DUMPREG(HDMI_VACT_SPACE_4_1);
785 DUMPREG(HDMI_VACT_SPACE_5_0);
786 DUMPREG(HDMI_VACT_SPACE_5_1);
787 DUMPREG(HDMI_VACT_SPACE_6_0);
788 DUMPREG(HDMI_VACT_SPACE_6_1);
789
790 DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix);
791 DUMPREG(HDMI_TG_CMD);
792 DUMPREG(HDMI_TG_H_FSZ_L);
793 DUMPREG(HDMI_TG_H_FSZ_H);
794 DUMPREG(HDMI_TG_HACT_ST_L);
795 DUMPREG(HDMI_TG_HACT_ST_H);
796 DUMPREG(HDMI_TG_HACT_SZ_L);
797 DUMPREG(HDMI_TG_HACT_SZ_H);
798 DUMPREG(HDMI_TG_V_FSZ_L);
799 DUMPREG(HDMI_TG_V_FSZ_H);
800 DUMPREG(HDMI_TG_VSYNC_L);
801 DUMPREG(HDMI_TG_VSYNC_H);
802 DUMPREG(HDMI_TG_VSYNC2_L);
803 DUMPREG(HDMI_TG_VSYNC2_H);
804 DUMPREG(HDMI_TG_VACT_ST_L);
805 DUMPREG(HDMI_TG_VACT_ST_H);
806 DUMPREG(HDMI_TG_VACT_SZ_L);
807 DUMPREG(HDMI_TG_VACT_SZ_H);
808 DUMPREG(HDMI_TG_FIELD_CHG_L);
809 DUMPREG(HDMI_TG_FIELD_CHG_H);
810 DUMPREG(HDMI_TG_VACT_ST2_L);
811 DUMPREG(HDMI_TG_VACT_ST2_H);
812 DUMPREG(HDMI_TG_VACT_ST3_L);
813 DUMPREG(HDMI_TG_VACT_ST3_H);
814 DUMPREG(HDMI_TG_VACT_ST4_L);
815 DUMPREG(HDMI_TG_VACT_ST4_H);
816 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
817 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
818 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
819 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
820 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
821 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
822 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
823 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
824 DUMPREG(HDMI_TG_3D);
825
826 DRM_DEBUG_KMS("%s: ---- PACKET REGISTERS ----\n", prefix);
827 DUMPREG(HDMI_AVI_CON);
828 DUMPREG(HDMI_AVI_HEADER0);
829 DUMPREG(HDMI_AVI_HEADER1);
830 DUMPREG(HDMI_AVI_HEADER2);
831 DUMPREG(HDMI_AVI_CHECK_SUM);
832 DUMPREG(HDMI_VSI_CON);
833 DUMPREG(HDMI_VSI_HEADER0);
834 DUMPREG(HDMI_VSI_HEADER1);
835 DUMPREG(HDMI_VSI_HEADER2);
836 for (i = 0; i < 7; ++i)
837 DUMPREG(HDMI_VSI_DATA(i));
838
839#undef DUMPREG
840}
841
842static void hdmi_regs_dump(struct hdmi_context *hdata, char *prefix)
843{
844 if (hdata->drv_data->type == HDMI_TYPE13)
845 hdmi_v13_regs_dump(hdata, prefix);
846 else
847 hdmi_v14_regs_dump(hdata, prefix);
848}
849
850static u8 hdmi_chksum(struct hdmi_context *hdata,
851 u32 start, u8 len, u32 hdr_sum)
852{
853 int i;
854
855 /* hdr_sum : header0 + header1 + header2
856 * start : start address of packet byte1
857 * len : packet bytes - 1 */
858 for (i = 0; i < len; ++i)
859 hdr_sum += 0xff & hdmi_reg_read(hdata, start + i * 4);
860
861 /* return 2's complement of 8 bit hdr_sum */
862 return (u8)(~(hdr_sum & 0xff) + 1);
863}
864
865static void hdmi_reg_infoframe(struct hdmi_context *hdata,
866 union hdmi_infoframe *infoframe)
867{
868 u32 hdr_sum;
869 u8 chksum;
870 u8 ar;
871
872 if (hdata->dvi_mode) {
873 hdmi_reg_writeb(hdata, HDMI_VSI_CON,
874 HDMI_VSI_CON_DO_NOT_TRANSMIT);
875 hdmi_reg_writeb(hdata, HDMI_AVI_CON,
876 HDMI_AVI_CON_DO_NOT_TRANSMIT);
877 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN);
878 return;
879 }
880
881 switch (infoframe->any.type) {
882 case HDMI_INFOFRAME_TYPE_AVI:
883 hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC);
884 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->any.type);
885 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1,
886 infoframe->any.version);
887 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->any.length);
888 hdr_sum = infoframe->any.type + infoframe->any.version +
889 infoframe->any.length;
890
891 /* Output format zero hardcoded ,RGB YBCR selection */
892 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(1), 0 << 5 |
893 AVI_ACTIVE_FORMAT_VALID |
894 AVI_UNDERSCANNED_DISPLAY_VALID);
895
896 /*
897 * Set the aspect ratio as per the mode, mentioned in
898 * Table 9 AVI InfoFrame Data Byte 2 of CEA-861-D Standard
899 */
900 ar = hdata->current_mode.picture_aspect_ratio;
901 switch (ar) {
902 case HDMI_PICTURE_ASPECT_4_3:
903 ar |= AVI_4_3_CENTER_RATIO;
904 break;
905 case HDMI_PICTURE_ASPECT_16_9:
906 ar |= AVI_16_9_CENTER_RATIO;
907 break;
908 case HDMI_PICTURE_ASPECT_NONE:
909 default:
910 ar |= AVI_SAME_AS_PIC_ASPECT_RATIO;
911 break;
912 }
913 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2), ar);
914
915 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(4), hdata->cea_video_id);
916
917 chksum = hdmi_chksum(hdata, HDMI_AVI_BYTE(1),
918 infoframe->any.length, hdr_sum);
919 DRM_DEBUG_KMS("AVI checksum = 0x%x\n", chksum);
920 hdmi_reg_writeb(hdata, HDMI_AVI_CHECK_SUM, chksum);
921 break;
922 case HDMI_INFOFRAME_TYPE_AUDIO:
923 hdmi_reg_writeb(hdata, HDMI_AUI_CON, 0x02);
924 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->any.type);
925 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1,
926 infoframe->any.version);
927 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->any.length);
928 hdr_sum = infoframe->any.type + infoframe->any.version +
929 infoframe->any.length;
930 chksum = hdmi_chksum(hdata, HDMI_AUI_BYTE(1),
931 infoframe->any.length, hdr_sum);
932 DRM_DEBUG_KMS("AUI checksum = 0x%x\n", chksum);
933 hdmi_reg_writeb(hdata, HDMI_AUI_CHECK_SUM, chksum);
934 break;
935 default:
936 break;
937 }
938}
939
940static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
941 bool force)
942{
943 struct hdmi_context *hdata = connector_to_hdmi(connector);
944
945 if (gpiod_get_value(hdata->hpd_gpio))
946 return connector_status_connected;
947
948 return connector_status_disconnected;
949}
950
951static void hdmi_connector_destroy(struct drm_connector *connector)
952{
953 drm_connector_unregister(connector);
954 drm_connector_cleanup(connector);
955}
956
957static const struct drm_connector_funcs hdmi_connector_funcs = {
958 .dpms = drm_atomic_helper_connector_dpms,
959 .fill_modes = drm_helper_probe_single_connector_modes,
960 .detect = hdmi_detect,
961 .destroy = hdmi_connector_destroy,
962 .reset = drm_atomic_helper_connector_reset,
963 .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
964 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
965};
966
967static int hdmi_get_modes(struct drm_connector *connector)
968{
969 struct hdmi_context *hdata = connector_to_hdmi(connector);
970 struct edid *edid;
971 int ret;
972
973 if (!hdata->ddc_adpt)
974 return -ENODEV;
975
976 edid = drm_get_edid(connector, hdata->ddc_adpt);
977 if (!edid)
978 return -ENODEV;
979
980 hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
981 DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
982 (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
983 edid->width_cm, edid->height_cm);
984
985 drm_mode_connector_update_edid_property(connector, edid);
986
987 ret = drm_add_edid_modes(connector, edid);
988
989 kfree(edid);
990
991 return ret;
992}
993
994static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
995{
996 int i;
997
998 for (i = 0; i < hdata->drv_data->phy_conf_count; i++)
999 if (hdata->drv_data->phy_confs[i].pixel_clock == pixel_clock)
1000 return i;
1001
1002 DRM_DEBUG_KMS("Could not find phy config for %d\n", pixel_clock);
1003 return -EINVAL;
1004}
1005
1006static int hdmi_mode_valid(struct drm_connector *connector,
1007 struct drm_display_mode *mode)
1008{
1009 struct hdmi_context *hdata = connector_to_hdmi(connector);
1010 int ret;
1011
1012 DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
1013 mode->hdisplay, mode->vdisplay, mode->vrefresh,
1014 (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
1015 false, mode->clock * 1000);
1016
1017 ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
1018 if (ret < 0)
1019 return MODE_BAD;
1020
1021 return MODE_OK;
1022}
1023
1024static struct drm_encoder *hdmi_best_encoder(struct drm_connector *connector)
1025{
1026 struct hdmi_context *hdata = connector_to_hdmi(connector);
1027
1028 return &hdata->encoder;
1029}
1030
1031static const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
1032 .get_modes = hdmi_get_modes,
1033 .mode_valid = hdmi_mode_valid,
1034 .best_encoder = hdmi_best_encoder,
1035};
1036
1037static int hdmi_create_connector(struct drm_encoder *encoder)
1038{
1039 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1040 struct drm_connector *connector = &hdata->connector;
1041 int ret;
1042
1043 connector->interlace_allowed = true;
1044 connector->polled = DRM_CONNECTOR_POLL_HPD;
1045
1046 ret = drm_connector_init(hdata->drm_dev, connector,
1047 &hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
1048 if (ret) {
1049 DRM_ERROR("Failed to initialize connector with drm\n");
1050 return ret;
1051 }
1052
1053 drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
1054 drm_connector_register(connector);
1055 drm_mode_connector_attach_encoder(connector, encoder);
1056
1057 return 0;
1058}
1059
1060static bool hdmi_mode_fixup(struct drm_encoder *encoder,
1061 const struct drm_display_mode *mode,
1062 struct drm_display_mode *adjusted_mode)
1063{
1064 struct drm_device *dev = encoder->dev;
1065 struct drm_connector *connector;
1066 struct drm_display_mode *m;
1067 int mode_ok;
1068
1069 drm_mode_set_crtcinfo(adjusted_mode, 0);
1070
1071 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1072 if (connector->encoder == encoder)
1073 break;
1074 }
1075
1076 if (connector->encoder != encoder)
1077 return true;
1078
1079 mode_ok = hdmi_mode_valid(connector, adjusted_mode);
1080
1081 /* just return if user desired mode exists. */
1082 if (mode_ok == MODE_OK)
1083 return true;
1084
1085 /*
1086 * otherwise, find the most suitable mode among modes and change it
1087 * to adjusted_mode.
1088 */
1089 list_for_each_entry(m, &connector->modes, head) {
1090 mode_ok = hdmi_mode_valid(connector, m);
1091
1092 if (mode_ok == MODE_OK) {
1093 DRM_INFO("desired mode doesn't exist so\n");
1094 DRM_INFO("use the most suitable mode among modes.\n");
1095
1096 DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
1097 m->hdisplay, m->vdisplay, m->vrefresh);
1098
1099 drm_mode_copy(adjusted_mode, m);
1100 break;
1101 }
1102 }
1103
1104 return true;
1105}
1106
1107static void hdmi_reg_acr(struct hdmi_context *hdata, u32 freq)
1108{
1109 u32 n, cts;
1110
1111 cts = (freq % 9) ? 27000 : 30000;
1112 n = 128 * freq / (27000000 / cts);
1113
1114 hdmi_reg_writev(hdata, HDMI_ACR_N0, 3, n);
1115 hdmi_reg_writev(hdata, HDMI_ACR_MCTS0, 3, cts);
1116 hdmi_reg_writev(hdata, HDMI_ACR_CTS0, 3, cts);
1117 hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
1118}
1119
1120static void hdmi_audio_init(struct hdmi_context *hdata)
1121{
1122 u32 sample_rate, bits_per_sample;
1123 u32 data_num, bit_ch, sample_frq;
1124 u32 val;
1125
1126 sample_rate = 44100;
1127 bits_per_sample = 16;
1128
1129 switch (bits_per_sample) {
1130 case 20:
1131 data_num = 2;
1132 bit_ch = 1;
1133 break;
1134 case 24:
1135 data_num = 3;
1136 bit_ch = 1;
1137 break;
1138 default:
1139 data_num = 1;
1140 bit_ch = 0;
1141 break;
1142 }
1143
1144 hdmi_reg_acr(hdata, sample_rate);
1145
1146 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE
1147 | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE
1148 | HDMI_I2S_MUX_ENABLE);
1149
1150 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN
1151 | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN);
1152
1153 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN);
1154
1155 sample_frq = (sample_rate == 44100) ? 0 :
1156 (sample_rate == 48000) ? 2 :
1157 (sample_rate == 32000) ? 3 :
1158 (sample_rate == 96000) ? 0xa : 0x0;
1159
1160 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS);
1161 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN);
1162
1163 val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01;
1164 hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val);
1165
1166 /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */
1167 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5)
1168 | HDMI_I2S_SEL_LRCK(6));
1169 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(1)
1170 | HDMI_I2S_SEL_SDATA2(4));
1171 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1)
1172 | HDMI_I2S_SEL_SDATA2(2));
1173 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0));
1174
1175 /* I2S_CON_1 & 2 */
1176 hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE
1177 | HDMI_I2S_L_CH_LOW_POL);
1178 hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE
1179 | HDMI_I2S_SET_BIT_CH(bit_ch)
1180 | HDMI_I2S_SET_SDATA_BIT(data_num)
1181 | HDMI_I2S_BASIC_FORMAT);
1182
1183 /* Configure register related to CUV information */
1184 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_0, HDMI_I2S_CH_STATUS_MODE_0
1185 | HDMI_I2S_2AUD_CH_WITHOUT_PREEMPH
1186 | HDMI_I2S_COPYRIGHT
1187 | HDMI_I2S_LINEAR_PCM
1188 | HDMI_I2S_CONSUMER_FORMAT);
1189 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_1, HDMI_I2S_CD_PLAYER);
1190 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_2, HDMI_I2S_SET_SOURCE_NUM(0));
1191 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_3, HDMI_I2S_CLK_ACCUR_LEVEL_2
1192 | HDMI_I2S_SET_SMP_FREQ(sample_frq));
1193 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_4,
1194 HDMI_I2S_ORG_SMP_FREQ_44_1
1195 | HDMI_I2S_WORD_LEN_MAX24_24BITS
1196 | HDMI_I2S_WORD_LEN_MAX_24BITS);
1197
1198 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD);
1199}
1200
1201static void hdmi_audio_control(struct hdmi_context *hdata, bool onoff)
1202{
1203 if (hdata->dvi_mode)
1204 return;
1205
1206 hdmi_reg_writeb(hdata, HDMI_AUI_CON, onoff ? 2 : 0);
1207 hdmi_reg_writemask(hdata, HDMI_CON_0, onoff ?
1208 HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK);
1209}
1210
1211static void hdmi_start(struct hdmi_context *hdata, bool start)
1212{
1213 u32 val = start ? HDMI_TG_EN : 0;
1214
1215 if (hdata->current_mode.flags & DRM_MODE_FLAG_INTERLACE)
1216 val |= HDMI_FIELD_EN;
1217
1218 hdmi_reg_writemask(hdata, HDMI_CON_0, val, HDMI_EN);
1219 hdmi_reg_writemask(hdata, HDMI_TG_CMD, val, HDMI_TG_EN | HDMI_FIELD_EN);
1220}
1221
1222static void hdmi_conf_init(struct hdmi_context *hdata)
1223{
1224 union hdmi_infoframe infoframe;
1225
1226 /* disable HPD interrupts from HDMI IP block, use GPIO instead */
1227 hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
1228 HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
1229
1230 /* choose HDMI mode */
1231 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1232 HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
1233 /* Apply Video preable and Guard band in HDMI mode only */
1234 hdmi_reg_writeb(hdata, HDMI_CON_2, 0);
1235 /* disable bluescreen */
1236 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
1237
1238 if (hdata->dvi_mode) {
1239 /* choose DVI mode */
1240 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1241 HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
1242 hdmi_reg_writeb(hdata, HDMI_CON_2,
1243 HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
1244 }
1245
1246 if (hdata->drv_data->type == HDMI_TYPE13) {
1247 /* choose bluescreen (fecal) color */
1248 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
1249 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
1250 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56);
1251
1252 /* enable AVI packet every vsync, fixes purple line problem */
1253 hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02);
1254 /* force RGB, look to CEA-861-D, table 7 for more detail */
1255 hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5);
1256 hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5);
1257
1258 hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02);
1259 hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02);
1260 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04);
1261 } else {
1262 infoframe.any.type = HDMI_INFOFRAME_TYPE_AVI;
1263 infoframe.any.version = HDMI_AVI_VERSION;
1264 infoframe.any.length = HDMI_AVI_LENGTH;
1265 hdmi_reg_infoframe(hdata, &infoframe);
1266
1267 infoframe.any.type = HDMI_INFOFRAME_TYPE_AUDIO;
1268 infoframe.any.version = HDMI_AUI_VERSION;
1269 infoframe.any.length = HDMI_AUI_LENGTH;
1270 hdmi_reg_infoframe(hdata, &infoframe);
1271
1272 /* enable AVI packet every vsync, fixes purple line problem */
1273 hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5);
1274 }
1275}
1276
1277static void hdmiphy_wait_for_pll(struct hdmi_context *hdata)
1278{
1279 int tries;
1280
1281 for (tries = 0; tries < 10; ++tries) {
1282 u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS);
1283
1284 if (val & HDMI_PHY_STATUS_READY) {
1285 DRM_DEBUG_KMS("PLL stabilized after %d tries\n", tries);
1286 return;
1287 }
1288 usleep_range(10, 20);
1289 }
1290
1291 DRM_ERROR("PLL could not reach steady state\n");
1292}
1293
1294static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
1295{
1296 struct drm_display_mode *m = &hdata->current_mode;
1297 unsigned int val;
1298
1299 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1300 hdmi_reg_writev(hdata, HDMI_V13_H_V_LINE_0, 3,
1301 (m->htotal << 12) | m->vtotal);
1302
1303 val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
1304 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1, val);
1305
1306 val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
1307 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1, val);
1308
1309 val = (m->hsync_start - m->hdisplay - 2);
1310 val |= ((m->hsync_end - m->hdisplay - 2) << 10);
1311 val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
1312 hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val);
1313
1314 /*
1315 * Quirk requirement for exynos HDMI IP design,
1316 * 2 pixels less than the actual calculation for hsync_start
1317 * and end.
1318 */
1319
1320 /* Following values & calculations differ for different type of modes */
1321 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1322 /* Interlaced Mode */
1323 val = ((m->vsync_end - m->vdisplay) / 2);
1324 val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
1325 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1326
1327 val = m->vtotal / 2;
1328 val |= ((m->vtotal - m->vdisplay) / 2) << 11;
1329 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1330
1331 val = (m->vtotal +
1332 ((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
1333 val |= m->vtotal << 11;
1334 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, val);
1335
1336 val = ((m->vtotal / 2) + 7);
1337 val |= ((m->vtotal / 2) + 2) << 12;
1338 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, val);
1339
1340 val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
1341 val |= ((m->htotal / 2) +
1342 (m->hsync_start - m->hdisplay)) << 12;
1343 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, val);
1344
1345 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1346 (m->vtotal - m->vdisplay) / 2);
1347 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1348
1349 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249);
1350 } else {
1351 /* Progressive Mode */
1352
1353 val = m->vtotal;
1354 val |= (m->vtotal - m->vdisplay) << 11;
1355 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
1356
1357 hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_F_0, 3, 0);
1358
1359 val = (m->vsync_end - m->vdisplay);
1360 val |= ((m->vsync_start - m->vdisplay) << 12);
1361 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
1362
1363 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_2_0, 3, 0x1001);
1364 hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_3_0, 3, 0x1001);
1365 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1366 m->vtotal - m->vdisplay);
1367 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1368 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x248);
1369 }
1370
1371 /* Timing generator registers */
1372 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1373 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
1374 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
1375 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1376 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_L, 2, 0x1);
1377 hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2, 0x233);
1378 hdmi_reg_writev(hdata, HDMI_TG_FIELD_CHG_L, 2, 0x233);
1379 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, 2, 0x1);
1380 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2, 0x233);
1381 hdmi_reg_writev(hdata, HDMI_TG_FIELD_TOP_HDMI_L, 2, 0x1);
1382 hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2, 0x233);
1383}
1384
1385static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
1386{
1387 struct drm_display_mode *m = &hdata->current_mode;
1388
1389 hdmi_reg_writev(hdata, HDMI_H_BLANK_0, 2, m->htotal - m->hdisplay);
1390 hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal);
1391 hdmi_reg_writev(hdata, HDMI_H_LINE_0, 2, m->htotal);
1392 hdmi_reg_writev(hdata, HDMI_HSYNC_POL, 1,
1393 (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
1394 hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1,
1395 (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
1396 hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1,
1397 (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
1398
1399 /*
1400 * Quirk requirement for exynos 5 HDMI IP design,
1401 * 2 pixels less than the actual calculation for hsync_start
1402 * and end.
1403 */
1404
1405 /* Following values & calculations differ for different type of modes */
1406 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1407 /* Interlaced Mode */
1408 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1409 (m->vsync_end - m->vdisplay) / 2);
1410 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1411 (m->vsync_start - m->vdisplay) / 2);
1412 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal / 2);
1413 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1414 (m->vtotal - m->vdisplay) / 2);
1415 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2,
1416 m->vtotal - m->vdisplay / 2);
1417 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, m->vtotal);
1418 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2,
1419 (m->vtotal / 2) + 7);
1420 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2,
1421 (m->vtotal / 2) + 2);
1422 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2,
1423 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1424 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2,
1425 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1426 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1427 (m->vtotal - m->vdisplay) / 2);
1428 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay / 2);
1429 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2,
1430 m->vtotal - m->vdisplay / 2);
1431 hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2,
1432 (m->vtotal / 2) + 1);
1433 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2,
1434 (m->vtotal / 2) + 1);
1435 hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2,
1436 (m->vtotal / 2) + 1);
1437 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x0);
1438 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x0);
1439 } else {
1440 /* Progressive Mode */
1441 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
1442 m->vsync_end - m->vdisplay);
1443 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
1444 m->vsync_start - m->vdisplay);
1445 hdmi_reg_writev(hdata, HDMI_V2_BLANK_0, 2, m->vtotal);
1446 hdmi_reg_writev(hdata, HDMI_V1_BLANK_0, 2,
1447 m->vtotal - m->vdisplay);
1448 hdmi_reg_writev(hdata, HDMI_V_BLANK_F0_0, 2, 0xffff);
1449 hdmi_reg_writev(hdata, HDMI_V_BLANK_F1_0, 2, 0xffff);
1450 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_2_0, 2, 0xffff);
1451 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_1_0, 2, 0xffff);
1452 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0, 2, 0xffff);
1453 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0, 2, 0xffff);
1454 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
1455 m->vtotal - m->vdisplay);
1456 hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
1457 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x248);
1458 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x47b);
1459 hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x6ae);
1460 hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2, 0x233);
1461 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2, 0x233);
1462 hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2, 0x233);
1463 }
1464
1465 /* Following values & calculations are same irrespective of mode type */
1466 hdmi_reg_writev(hdata, HDMI_H_SYNC_START_0, 2,
1467 m->hsync_start - m->hdisplay - 2);
1468 hdmi_reg_writev(hdata, HDMI_H_SYNC_END_0, 2,
1469 m->hsync_end - m->hdisplay - 2);
1470 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_1_0, 2, 0xffff);
1471 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_2_0, 2, 0xffff);
1472 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_3_0, 2, 0xffff);
1473 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_4_0, 2, 0xffff);
1474 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_5_0, 2, 0xffff);
1475 hdmi_reg_writev(hdata, HDMI_VACT_SPACE_6_0, 2, 0xffff);
1476 hdmi_reg_writev(hdata, HDMI_V_BLANK_F2_0, 2, 0xffff);
1477 hdmi_reg_writev(hdata, HDMI_V_BLANK_F3_0, 2, 0xffff);
1478 hdmi_reg_writev(hdata, HDMI_V_BLANK_F4_0, 2, 0xffff);
1479 hdmi_reg_writev(hdata, HDMI_V_BLANK_F5_0, 2, 0xffff);
1480 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_3_0, 2, 0xffff);
1481 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_4_0, 2, 0xffff);
1482 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_5_0, 2, 0xffff);
1483 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_6_0, 2, 0xffff);
1484 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0, 2, 0xffff);
1485 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0, 2, 0xffff);
1486 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 2, 0xffff);
1487 hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff);
1488
1489 /* Timing generator registers */
1490 hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
1491 hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
1492 hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
1493 hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
1494 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_L, 2, 0x1);
1495 hdmi_reg_writev(hdata, HDMI_TG_FIELD_CHG_L, 2, 0x233);
1496 hdmi_reg_writev(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, 2, 0x1);
1497 hdmi_reg_writev(hdata, HDMI_TG_FIELD_TOP_HDMI_L, 2, 0x1);
1498 hdmi_reg_writev(hdata, HDMI_TG_3D, 1, 0x0);
1499}
1500
1501static void hdmi_mode_apply(struct hdmi_context *hdata)
1502{
1503 if (hdata->drv_data->type == HDMI_TYPE13)
1504 hdmi_v13_mode_apply(hdata);
1505 else
1506 hdmi_v14_mode_apply(hdata);
1507
1508 hdmiphy_wait_for_pll(hdata);
1509
1510 clk_set_parent(hdata->mout_hdmi, hdata->sclk_hdmiphy);
1511
1512 /* enable HDMI and timing generator */
1513 hdmi_start(hdata, true);
1514}
1515
1516static void hdmiphy_conf_reset(struct hdmi_context *hdata)
1517{
1518 clk_set_parent(hdata->mout_hdmi, hdata->sclk_pixel);
1519
1520 /* reset hdmiphy */
1521 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
1522 usleep_range(10000, 12000);
1523 hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT);
1524 usleep_range(10000, 12000);
1525}
1526
1527static void hdmiphy_conf_apply(struct hdmi_context *hdata)
1528{
1529 int ret;
1530 int i;
1531
1532 /* pixel clock */
1533 i = hdmi_find_phy_conf(hdata, hdata->current_mode.clock * 1000);
1534 if (i < 0) {
1535 DRM_ERROR("failed to find hdmiphy conf\n");
1536 return;
1537 }
1538
1539 ret = hdmiphy_reg_write_buf(hdata, 0,
1540 hdata->drv_data->phy_confs[i].conf, 32);
1541 if (ret) {
1542 DRM_ERROR("failed to configure hdmiphy\n");
1543 return;
1544 }
1545
1546 usleep_range(10000, 12000);
1547}
1548
1549static void hdmi_conf_apply(struct hdmi_context *hdata)
1550{
1551 hdmiphy_conf_reset(hdata);
1552 hdmiphy_conf_apply(hdata);
1553
1554 hdmi_start(hdata, false);
1555 hdmi_conf_init(hdata);
1556
1557 hdmi_audio_init(hdata);
1558
1559 /* setting core registers */
1560 hdmi_mode_apply(hdata);
1561 hdmi_audio_control(hdata, true);
1562
1563 hdmi_regs_dump(hdata, "start");
1564}
1565
1566static void hdmi_mode_set(struct drm_encoder *encoder,
1567 struct drm_display_mode *mode,
1568 struct drm_display_mode *adjusted_mode)
1569{
1570 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1571 struct drm_display_mode *m = adjusted_mode;
1572
1573 DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n",
1574 m->hdisplay, m->vdisplay,
1575 m->vrefresh, (m->flags & DRM_MODE_FLAG_INTERLACE) ?
1576 "INTERLACED" : "PROGRESSIVE");
1577
1578 drm_mode_copy(&hdata->current_mode, m);
1579 hdata->cea_video_id = drm_match_cea_mode(mode);
1580}
1581
1582static void hdmi_enable(struct drm_encoder *encoder)
1583{
1584 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1585
1586 if (hdata->powered)
1587 return;
1588
1589 pm_runtime_get_sync(hdata->dev);
1590
1591 if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk))
1592 DRM_DEBUG_KMS("failed to enable regulator bulk\n");
1593
1594 /* set pmu hdmiphy control bit to enable hdmiphy */
1595 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1596 PMU_HDMI_PHY_ENABLE_BIT, 1);
1597
1598 hdmi_conf_apply(hdata);
1599
1600 hdata->powered = true;
1601}
1602
1603static void hdmi_disable(struct drm_encoder *encoder)
1604{
1605 struct hdmi_context *hdata = encoder_to_hdmi(encoder);
1606 struct drm_crtc *crtc = encoder->crtc;
1607 const struct drm_crtc_helper_funcs *funcs = NULL;
1608
1609 if (!hdata->powered)
1610 return;
1611
1612 /*
1613 * The SFRs of VP and Mixer are updated by Vertical Sync of
1614 * Timing generator which is a part of HDMI so the sequence
1615 * to disable TV Subsystem should be as following,
1616 * VP -> Mixer -> HDMI
1617 *
1618 * Below codes will try to disable Mixer and VP(if used)
1619 * prior to disabling HDMI.
1620 */
1621 if (crtc)
1622 funcs = crtc->helper_private;
1623 if (funcs && funcs->disable)
1624 (*funcs->disable)(crtc);
1625
1626 /* HDMI System Disable */
1627 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
1628
1629 cancel_delayed_work(&hdata->hotplug_work);
1630
1631 /* reset pmu hdmiphy control bit to disable hdmiphy */
1632 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
1633 PMU_HDMI_PHY_ENABLE_BIT, 0);
1634
1635 regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk);
1636
1637 pm_runtime_put_sync(hdata->dev);
1638
1639 hdata->powered = false;
1640}
1641
1642static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
1643 .mode_fixup = hdmi_mode_fixup,
1644 .mode_set = hdmi_mode_set,
1645 .enable = hdmi_enable,
1646 .disable = hdmi_disable,
1647};
1648
1649static const struct drm_encoder_funcs exynos_hdmi_encoder_funcs = {
1650 .destroy = drm_encoder_cleanup,
1651};
1652
1653static void hdmi_hotplug_work_func(struct work_struct *work)
1654{
1655 struct hdmi_context *hdata;
1656
1657 hdata = container_of(work, struct hdmi_context, hotplug_work.work);
1658
1659 if (hdata->drm_dev)
1660 drm_helper_hpd_irq_event(hdata->drm_dev);
1661}
1662
1663static irqreturn_t hdmi_irq_thread(int irq, void *arg)
1664{
1665 struct hdmi_context *hdata = arg;
1666
1667 mod_delayed_work(system_wq, &hdata->hotplug_work,
1668 msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
1669
1670 return IRQ_HANDLED;
1671}
1672
1673static int hdmi_resources_init(struct hdmi_context *hdata)
1674{
1675 struct device *dev = hdata->dev;
1676 int i, ret;
1677
1678 DRM_DEBUG_KMS("HDMI resource init\n");
1679
1680 hdata->hpd_gpio = devm_gpiod_get(dev, "hpd", GPIOD_IN);
1681 if (IS_ERR(hdata->hpd_gpio)) {
1682 DRM_ERROR("cannot get hpd gpio property\n");
1683 return PTR_ERR(hdata->hpd_gpio);
1684 }
1685
1686 hdata->irq = gpiod_to_irq(hdata->hpd_gpio);
1687 if (hdata->irq < 0) {
1688 DRM_ERROR("failed to get GPIO irq\n");
1689 return hdata->irq;
1690 }
1691 /* get clocks, power */
1692 hdata->hdmi = devm_clk_get(dev, "hdmi");
1693 if (IS_ERR(hdata->hdmi)) {
1694 DRM_ERROR("failed to get clock 'hdmi'\n");
1695 ret = PTR_ERR(hdata->hdmi);
1696 goto fail;
1697 }
1698 hdata->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
1699 if (IS_ERR(hdata->sclk_hdmi)) {
1700 DRM_ERROR("failed to get clock 'sclk_hdmi'\n");
1701 ret = PTR_ERR(hdata->sclk_hdmi);
1702 goto fail;
1703 }
1704 hdata->sclk_pixel = devm_clk_get(dev, "sclk_pixel");
1705 if (IS_ERR(hdata->sclk_pixel)) {
1706 DRM_ERROR("failed to get clock 'sclk_pixel'\n");
1707 ret = PTR_ERR(hdata->sclk_pixel);
1708 goto fail;
1709 }
1710 hdata->sclk_hdmiphy = devm_clk_get(dev, "sclk_hdmiphy");
1711 if (IS_ERR(hdata->sclk_hdmiphy)) {
1712 DRM_ERROR("failed to get clock 'sclk_hdmiphy'\n");
1713 ret = PTR_ERR(hdata->sclk_hdmiphy);
1714 goto fail;
1715 }
1716 hdata->mout_hdmi = devm_clk_get(dev, "mout_hdmi");
1717 if (IS_ERR(hdata->mout_hdmi)) {
1718 DRM_ERROR("failed to get clock 'mout_hdmi'\n");
1719 ret = PTR_ERR(hdata->mout_hdmi);
1720 goto fail;
1721 }
1722
1723 clk_set_parent(hdata->mout_hdmi, hdata->sclk_pixel);
1724
1725 for (i = 0; i < ARRAY_SIZE(supply); ++i) {
1726 hdata->regul_bulk[i].supply = supply[i];
1727 hdata->regul_bulk[i].consumer = NULL;
1728 }
1729 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
1730 if (ret) {
1731 DRM_ERROR("failed to get regulators\n");
1732 return ret;
1733 }
1734
1735 hdata->reg_hdmi_en = devm_regulator_get_optional(dev, "hdmi-en");
1736
1737 if (PTR_ERR(hdata->reg_hdmi_en) == -ENODEV)
1738 return 0;
1739
1740 if (IS_ERR(hdata->reg_hdmi_en))
1741 return PTR_ERR(hdata->reg_hdmi_en);
1742
1743 ret = regulator_enable(hdata->reg_hdmi_en);
1744 if (ret)
1745 DRM_ERROR("failed to enable hdmi-en regulator\n");
1746
1747 return ret;
1748fail:
1749 DRM_ERROR("HDMI resource init - failed\n");
1750 return ret;
1751}
1752
1753static struct of_device_id hdmi_match_types[] = {
1754 {
1755 .compatible = "samsung,exynos4210-hdmi",
1756 .data = &exynos4210_hdmi_driver_data,
1757 }, {
1758 .compatible = "samsung,exynos4212-hdmi",
1759 .data = &exynos4212_hdmi_driver_data,
1760 }, {
1761 .compatible = "samsung,exynos5420-hdmi",
1762 .data = &exynos5420_hdmi_driver_data,
1763 }, {
1764 /* end node */
1765 }
1766};
1767MODULE_DEVICE_TABLE (of, hdmi_match_types);
1768
1769static int hdmi_bind(struct device *dev, struct device *master, void *data)
1770{
1771 struct drm_device *drm_dev = data;
1772 struct hdmi_context *hdata = dev_get_drvdata(dev);
1773 struct drm_encoder *encoder = &hdata->encoder;
1774 int ret, pipe;
1775
1776 hdata->drm_dev = drm_dev;
1777
1778 pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
1779 EXYNOS_DISPLAY_TYPE_HDMI);
1780 if (pipe < 0)
1781 return pipe;
1782
1783 encoder->possible_crtcs = 1 << pipe;
1784
1785 DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
1786
1787 drm_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs,
1788 DRM_MODE_ENCODER_TMDS, NULL);
1789
1790 drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
1791
1792 ret = hdmi_create_connector(encoder);
1793 if (ret) {
1794 DRM_ERROR("failed to create connector ret = %d\n", ret);
1795 drm_encoder_cleanup(encoder);
1796 return ret;
1797 }
1798
1799 return 0;
1800}
1801
1802static void hdmi_unbind(struct device *dev, struct device *master, void *data)
1803{
1804}
1805
1806static const struct component_ops hdmi_component_ops = {
1807 .bind = hdmi_bind,
1808 .unbind = hdmi_unbind,
1809};
1810
1811static struct device_node *hdmi_legacy_ddc_dt_binding(struct device *dev)
1812{
1813 const char *compatible_str = "samsung,exynos4210-hdmiddc";
1814 struct device_node *np;
1815
1816 np = of_find_compatible_node(NULL, NULL, compatible_str);
1817 if (np)
1818 return of_get_next_parent(np);
1819
1820 return NULL;
1821}
1822
1823static struct device_node *hdmi_legacy_phy_dt_binding(struct device *dev)
1824{
1825 const char *compatible_str = "samsung,exynos4212-hdmiphy";
1826
1827 return of_find_compatible_node(NULL, NULL, compatible_str);
1828}
1829
1830static int hdmi_probe(struct platform_device *pdev)
1831{
1832 struct device_node *ddc_node, *phy_node;
1833 const struct of_device_id *match;
1834 struct device *dev = &pdev->dev;
1835 struct hdmi_context *hdata;
1836 struct resource *res;
1837 int ret;
1838
1839 hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
1840 if (!hdata)
1841 return -ENOMEM;
1842
1843 match = of_match_device(hdmi_match_types, dev);
1844 if (!match)
1845 return -ENODEV;
1846
1847 hdata->drv_data = match->data;
1848
1849 platform_set_drvdata(pdev, hdata);
1850
1851 hdata->dev = dev;
1852
1853 ret = hdmi_resources_init(hdata);
1854 if (ret) {
1855 DRM_ERROR("hdmi_resources_init failed\n");
1856 return ret;
1857 }
1858
1859 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1860 hdata->regs = devm_ioremap_resource(dev, res);
1861 if (IS_ERR(hdata->regs)) {
1862 ret = PTR_ERR(hdata->regs);
1863 return ret;
1864 }
1865
1866 ddc_node = hdmi_legacy_ddc_dt_binding(dev);
1867 if (ddc_node)
1868 goto out_get_ddc_adpt;
1869
1870 /* DDC i2c driver */
1871 ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
1872 if (!ddc_node) {
1873 DRM_ERROR("Failed to find ddc node in device tree\n");
1874 return -ENODEV;
1875 }
1876
1877out_get_ddc_adpt:
1878 hdata->ddc_adpt = of_find_i2c_adapter_by_node(ddc_node);
1879 if (!hdata->ddc_adpt) {
1880 DRM_ERROR("Failed to get ddc i2c adapter by node\n");
1881 return -EPROBE_DEFER;
1882 }
1883
1884 phy_node = hdmi_legacy_phy_dt_binding(dev);
1885 if (phy_node)
1886 goto out_get_phy_port;
1887
1888 /* hdmiphy i2c driver */
1889 phy_node = of_parse_phandle(dev->of_node, "phy", 0);
1890 if (!phy_node) {
1891 DRM_ERROR("Failed to find hdmiphy node in device tree\n");
1892 ret = -ENODEV;
1893 goto err_ddc;
1894 }
1895
1896out_get_phy_port:
1897 if (hdata->drv_data->is_apb_phy) {
1898 hdata->regs_hdmiphy = of_iomap(phy_node, 0);
1899 if (!hdata->regs_hdmiphy) {
1900 DRM_ERROR("failed to ioremap hdmi phy\n");
1901 ret = -ENOMEM;
1902 goto err_ddc;
1903 }
1904 } else {
1905 hdata->hdmiphy_port = of_find_i2c_device_by_node(phy_node);
1906 if (!hdata->hdmiphy_port) {
1907 DRM_ERROR("Failed to get hdmi phy i2c client\n");
1908 ret = -EPROBE_DEFER;
1909 goto err_ddc;
1910 }
1911 }
1912
1913 INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func);
1914
1915 ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
1916 hdmi_irq_thread, IRQF_TRIGGER_RISING |
1917 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
1918 "hdmi", hdata);
1919 if (ret) {
1920 DRM_ERROR("failed to register hdmi interrupt\n");
1921 goto err_hdmiphy;
1922 }
1923
1924 hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node,
1925 "samsung,syscon-phandle");
1926 if (IS_ERR(hdata->pmureg)) {
1927 DRM_ERROR("syscon regmap lookup failed.\n");
1928 ret = -EPROBE_DEFER;
1929 goto err_hdmiphy;
1930 }
1931
1932 pm_runtime_enable(dev);
1933
1934 ret = component_add(&pdev->dev, &hdmi_component_ops);
1935 if (ret)
1936 goto err_disable_pm_runtime;
1937
1938 return ret;
1939
1940err_disable_pm_runtime:
1941 pm_runtime_disable(dev);
1942
1943err_hdmiphy:
1944 if (hdata->hdmiphy_port)
1945 put_device(&hdata->hdmiphy_port->dev);
1946err_ddc:
1947 put_device(&hdata->ddc_adpt->dev);
1948
1949 return ret;
1950}
1951
1952static int hdmi_remove(struct platform_device *pdev)
1953{
1954 struct hdmi_context *hdata = platform_get_drvdata(pdev);
1955
1956 cancel_delayed_work_sync(&hdata->hotplug_work);
1957
1958 component_del(&pdev->dev, &hdmi_component_ops);
1959
1960 pm_runtime_disable(&pdev->dev);
1961
1962 if (!IS_ERR(hdata->reg_hdmi_en))
1963 regulator_disable(hdata->reg_hdmi_en);
1964
1965 if (hdata->hdmiphy_port)
1966 put_device(&hdata->hdmiphy_port->dev);
1967
1968 put_device(&hdata->ddc_adpt->dev);
1969
1970 return 0;
1971}
1972
1973#ifdef CONFIG_PM
1974static int exynos_hdmi_suspend(struct device *dev)
1975{
1976 struct hdmi_context *hdata = dev_get_drvdata(dev);
1977
1978 clk_disable_unprepare(hdata->sclk_hdmi);
1979 clk_disable_unprepare(hdata->hdmi);
1980
1981 return 0;
1982}
1983
1984static int exynos_hdmi_resume(struct device *dev)
1985{
1986 struct hdmi_context *hdata = dev_get_drvdata(dev);
1987 int ret;
1988
1989 ret = clk_prepare_enable(hdata->hdmi);
1990 if (ret < 0) {
1991 DRM_ERROR("Failed to prepare_enable the hdmi clk [%d]\n", ret);
1992 return ret;
1993 }
1994 ret = clk_prepare_enable(hdata->sclk_hdmi);
1995 if (ret < 0) {
1996 DRM_ERROR("Failed to prepare_enable the sclk_mixer clk [%d]\n",
1997 ret);
1998 return ret;
1999 }
2000
2001 return 0;
2002}
2003#endif
2004
2005static const struct dev_pm_ops exynos_hdmi_pm_ops = {
2006 SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL)
2007};
2008
2009struct platform_driver hdmi_driver = {
2010 .probe = hdmi_probe,
2011 .remove = hdmi_remove,
2012 .driver = {
2013 .name = "exynos-hdmi",
2014 .owner = THIS_MODULE,
2015 .pm = &exynos_hdmi_pm_ops,
2016 .of_match_table = hdmi_match_types,
2017 },
2018};
1/*
2 * Copyright (C) 2011 Samsung Electronics Co.Ltd
3 * Authors:
4 * Seung-Woo Kim <sw0312.kim@samsung.com>
5 * Inki Dae <inki.dae@samsung.com>
6 * Joonyoung Shim <jy0922.shim@samsung.com>
7 *
8 * Based on drivers/media/video/s5p-tv/hdmi_drv.c
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 *
15 */
16
17#include <drm/drmP.h>
18#include <drm/drm_edid.h>
19#include <drm/drm_crtc_helper.h>
20
21#include "regs-hdmi.h"
22
23#include <linux/kernel.h>
24#include <linux/spinlock.h>
25#include <linux/wait.h>
26#include <linux/i2c.h>
27#include <linux/platform_device.h>
28#include <linux/interrupt.h>
29#include <linux/irq.h>
30#include <linux/delay.h>
31#include <linux/pm_runtime.h>
32#include <linux/clk.h>
33#include <linux/regulator/consumer.h>
34#include <linux/io.h>
35#include <linux/of.h>
36#include <linux/i2c.h>
37#include <linux/of_gpio.h>
38#include <linux/hdmi.h>
39
40#include <drm/exynos_drm.h>
41
42#include "exynos_drm_drv.h"
43#include "exynos_mixer.h"
44
45#include <linux/gpio.h>
46#include <media/s5p_hdmi.h>
47
48#define get_hdmi_display(dev) platform_get_drvdata(to_platform_device(dev))
49#define ctx_from_connector(c) container_of(c, struct hdmi_context, connector)
50
51/* AVI header and aspect ratio */
52#define HDMI_AVI_VERSION 0x02
53#define HDMI_AVI_LENGTH 0x0D
54
55/* AUI header info */
56#define HDMI_AUI_VERSION 0x01
57#define HDMI_AUI_LENGTH 0x0A
58#define AVI_SAME_AS_PIC_ASPECT_RATIO 0x8
59#define AVI_4_3_CENTER_RATIO 0x9
60#define AVI_16_9_CENTER_RATIO 0xa
61
62enum hdmi_type {
63 HDMI_TYPE13,
64 HDMI_TYPE14,
65};
66
67struct hdmi_driver_data {
68 unsigned int type;
69 unsigned int is_apb_phy:1;
70};
71
72struct hdmi_resources {
73 struct clk *hdmi;
74 struct clk *sclk_hdmi;
75 struct clk *sclk_pixel;
76 struct clk *sclk_hdmiphy;
77 struct clk *hdmiphy;
78 struct clk *mout_hdmi;
79 struct regulator_bulk_data *regul_bulk;
80 int regul_count;
81};
82
83struct hdmi_tg_regs {
84 u8 cmd[1];
85 u8 h_fsz[2];
86 u8 hact_st[2];
87 u8 hact_sz[2];
88 u8 v_fsz[2];
89 u8 vsync[2];
90 u8 vsync2[2];
91 u8 vact_st[2];
92 u8 vact_sz[2];
93 u8 field_chg[2];
94 u8 vact_st2[2];
95 u8 vact_st3[2];
96 u8 vact_st4[2];
97 u8 vsync_top_hdmi[2];
98 u8 vsync_bot_hdmi[2];
99 u8 field_top_hdmi[2];
100 u8 field_bot_hdmi[2];
101 u8 tg_3d[1];
102};
103
104struct hdmi_v13_core_regs {
105 u8 h_blank[2];
106 u8 v_blank[3];
107 u8 h_v_line[3];
108 u8 vsync_pol[1];
109 u8 int_pro_mode[1];
110 u8 v_blank_f[3];
111 u8 h_sync_gen[3];
112 u8 v_sync_gen1[3];
113 u8 v_sync_gen2[3];
114 u8 v_sync_gen3[3];
115};
116
117struct hdmi_v14_core_regs {
118 u8 h_blank[2];
119 u8 v2_blank[2];
120 u8 v1_blank[2];
121 u8 v_line[2];
122 u8 h_line[2];
123 u8 hsync_pol[1];
124 u8 vsync_pol[1];
125 u8 int_pro_mode[1];
126 u8 v_blank_f0[2];
127 u8 v_blank_f1[2];
128 u8 h_sync_start[2];
129 u8 h_sync_end[2];
130 u8 v_sync_line_bef_2[2];
131 u8 v_sync_line_bef_1[2];
132 u8 v_sync_line_aft_2[2];
133 u8 v_sync_line_aft_1[2];
134 u8 v_sync_line_aft_pxl_2[2];
135 u8 v_sync_line_aft_pxl_1[2];
136 u8 v_blank_f2[2]; /* for 3D mode */
137 u8 v_blank_f3[2]; /* for 3D mode */
138 u8 v_blank_f4[2]; /* for 3D mode */
139 u8 v_blank_f5[2]; /* for 3D mode */
140 u8 v_sync_line_aft_3[2];
141 u8 v_sync_line_aft_4[2];
142 u8 v_sync_line_aft_5[2];
143 u8 v_sync_line_aft_6[2];
144 u8 v_sync_line_aft_pxl_3[2];
145 u8 v_sync_line_aft_pxl_4[2];
146 u8 v_sync_line_aft_pxl_5[2];
147 u8 v_sync_line_aft_pxl_6[2];
148 u8 vact_space_1[2];
149 u8 vact_space_2[2];
150 u8 vact_space_3[2];
151 u8 vact_space_4[2];
152 u8 vact_space_5[2];
153 u8 vact_space_6[2];
154};
155
156struct hdmi_v13_conf {
157 struct hdmi_v13_core_regs core;
158 struct hdmi_tg_regs tg;
159};
160
161struct hdmi_v14_conf {
162 struct hdmi_v14_core_regs core;
163 struct hdmi_tg_regs tg;
164};
165
166struct hdmi_conf_regs {
167 int pixel_clock;
168 int cea_video_id;
169 enum hdmi_picture_aspect aspect_ratio;
170 union {
171 struct hdmi_v13_conf v13_conf;
172 struct hdmi_v14_conf v14_conf;
173 } conf;
174};
175
176struct hdmi_context {
177 struct device *dev;
178 struct drm_device *drm_dev;
179 struct drm_connector connector;
180 struct drm_encoder *encoder;
181 bool hpd;
182 bool powered;
183 bool dvi_mode;
184 struct mutex hdmi_mutex;
185
186 void __iomem *regs;
187 int irq;
188
189 struct i2c_adapter *ddc_adpt;
190 struct i2c_client *hdmiphy_port;
191
192 /* current hdmiphy conf regs */
193 struct hdmi_conf_regs mode_conf;
194
195 struct hdmi_resources res;
196
197 int hpd_gpio;
198
199 enum hdmi_type type;
200};
201
202struct hdmiphy_config {
203 int pixel_clock;
204 u8 conf[32];
205};
206
207struct hdmi_driver_data exynos4212_hdmi_driver_data = {
208 .type = HDMI_TYPE14,
209};
210
211struct hdmi_driver_data exynos5_hdmi_driver_data = {
212 .type = HDMI_TYPE14,
213};
214
215/* list of phy config settings */
216static const struct hdmiphy_config hdmiphy_v13_configs[] = {
217 {
218 .pixel_clock = 27000000,
219 .conf = {
220 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
221 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
222 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
223 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00,
224 },
225 },
226 {
227 .pixel_clock = 27027000,
228 .conf = {
229 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
230 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
231 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
232 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00,
233 },
234 },
235 {
236 .pixel_clock = 74176000,
237 .conf = {
238 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B,
239 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9,
240 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
241 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x00,
242 },
243 },
244 {
245 .pixel_clock = 74250000,
246 .conf = {
247 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40,
248 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba,
249 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0,
250 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x00,
251 },
252 },
253 {
254 .pixel_clock = 148500000,
255 .conf = {
256 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40,
257 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba,
258 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
259 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x00,
260 },
261 },
262};
263
264static const struct hdmiphy_config hdmiphy_v14_configs[] = {
265 {
266 .pixel_clock = 25200000,
267 .conf = {
268 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08,
269 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80,
270 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
271 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
272 },
273 },
274 {
275 .pixel_clock = 27000000,
276 .conf = {
277 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20,
278 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80,
279 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
280 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
281 },
282 },
283 {
284 .pixel_clock = 27027000,
285 .conf = {
286 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08,
287 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
288 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
289 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00,
290 },
291 },
292 {
293 .pixel_clock = 36000000,
294 .conf = {
295 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08,
296 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
297 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
298 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
299 },
300 },
301 {
302 .pixel_clock = 40000000,
303 .conf = {
304 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08,
305 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80,
306 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
307 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
308 },
309 },
310 {
311 .pixel_clock = 65000000,
312 .conf = {
313 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08,
314 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80,
315 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
316 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
317 },
318 },
319 {
320 .pixel_clock = 71000000,
321 .conf = {
322 0x01, 0x91, 0x1e, 0x15, 0x40, 0x3c, 0xce, 0x08,
323 0x04, 0x20, 0xb2, 0xd8, 0x45, 0xa0, 0xac, 0x80,
324 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
325 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
326 },
327 },
328 {
329 .pixel_clock = 73250000,
330 .conf = {
331 0x01, 0xd1, 0x1f, 0x15, 0x40, 0x18, 0xe9, 0x08,
332 0x02, 0xa0, 0xb7, 0xd8, 0x45, 0xa0, 0xac, 0x80,
333 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
334 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
335 },
336 },
337 {
338 .pixel_clock = 74176000,
339 .conf = {
340 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08,
341 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80,
342 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
343 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
344 },
345 },
346 {
347 .pixel_clock = 74250000,
348 .conf = {
349 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08,
350 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
351 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
352 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00,
353 },
354 },
355 {
356 .pixel_clock = 83500000,
357 .conf = {
358 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08,
359 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80,
360 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
361 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
362 },
363 },
364 {
365 .pixel_clock = 88750000,
366 .conf = {
367 0x01, 0x91, 0x25, 0x17, 0x40, 0x30, 0xfe, 0x08,
368 0x06, 0x20, 0xde, 0xd8, 0x45, 0xa0, 0xac, 0x80,
369 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
370 0x54, 0x8a, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
371 },
372 },
373 {
374 .pixel_clock = 106500000,
375 .conf = {
376 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08,
377 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
378 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
379 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
380 },
381 },
382 {
383 .pixel_clock = 108000000,
384 .conf = {
385 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08,
386 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
387 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
388 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
389 },
390 },
391 {
392 .pixel_clock = 115500000,
393 .conf = {
394 0x01, 0xd1, 0x30, 0x1a, 0x40, 0x40, 0x10, 0x04,
395 0x04, 0xa0, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80,
396 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
397 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
398 },
399 },
400 {
401 .pixel_clock = 119000000,
402 .conf = {
403 0x01, 0x91, 0x32, 0x14, 0x40, 0x60, 0xd8, 0x08,
404 0x06, 0x20, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
405 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
406 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
407 },
408 },
409 {
410 .pixel_clock = 146250000,
411 .conf = {
412 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08,
413 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
414 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
415 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
416 },
417 },
418 {
419 .pixel_clock = 148500000,
420 .conf = {
421 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08,
422 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
423 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
424 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x00,
425 },
426 },
427};
428
429static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id)
430{
431 return readl(hdata->regs + reg_id);
432}
433
434static inline void hdmi_reg_writeb(struct hdmi_context *hdata,
435 u32 reg_id, u8 value)
436{
437 writeb(value, hdata->regs + reg_id);
438}
439
440static inline void hdmi_reg_writemask(struct hdmi_context *hdata,
441 u32 reg_id, u32 value, u32 mask)
442{
443 u32 old = readl(hdata->regs + reg_id);
444 value = (value & mask) | (old & ~mask);
445 writel(value, hdata->regs + reg_id);
446}
447
448static void hdmi_v13_regs_dump(struct hdmi_context *hdata, char *prefix)
449{
450#define DUMPREG(reg_id) \
451 DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \
452 readl(hdata->regs + reg_id))
453 DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix);
454 DUMPREG(HDMI_INTC_FLAG);
455 DUMPREG(HDMI_INTC_CON);
456 DUMPREG(HDMI_HPD_STATUS);
457 DUMPREG(HDMI_V13_PHY_RSTOUT);
458 DUMPREG(HDMI_V13_PHY_VPLL);
459 DUMPREG(HDMI_V13_PHY_CMU);
460 DUMPREG(HDMI_V13_CORE_RSTOUT);
461
462 DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix);
463 DUMPREG(HDMI_CON_0);
464 DUMPREG(HDMI_CON_1);
465 DUMPREG(HDMI_CON_2);
466 DUMPREG(HDMI_SYS_STATUS);
467 DUMPREG(HDMI_V13_PHY_STATUS);
468 DUMPREG(HDMI_STATUS_EN);
469 DUMPREG(HDMI_HPD);
470 DUMPREG(HDMI_MODE_SEL);
471 DUMPREG(HDMI_V13_HPD_GEN);
472 DUMPREG(HDMI_V13_DC_CONTROL);
473 DUMPREG(HDMI_V13_VIDEO_PATTERN_GEN);
474
475 DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix);
476 DUMPREG(HDMI_H_BLANK_0);
477 DUMPREG(HDMI_H_BLANK_1);
478 DUMPREG(HDMI_V13_V_BLANK_0);
479 DUMPREG(HDMI_V13_V_BLANK_1);
480 DUMPREG(HDMI_V13_V_BLANK_2);
481 DUMPREG(HDMI_V13_H_V_LINE_0);
482 DUMPREG(HDMI_V13_H_V_LINE_1);
483 DUMPREG(HDMI_V13_H_V_LINE_2);
484 DUMPREG(HDMI_VSYNC_POL);
485 DUMPREG(HDMI_INT_PRO_MODE);
486 DUMPREG(HDMI_V13_V_BLANK_F_0);
487 DUMPREG(HDMI_V13_V_BLANK_F_1);
488 DUMPREG(HDMI_V13_V_BLANK_F_2);
489 DUMPREG(HDMI_V13_H_SYNC_GEN_0);
490 DUMPREG(HDMI_V13_H_SYNC_GEN_1);
491 DUMPREG(HDMI_V13_H_SYNC_GEN_2);
492 DUMPREG(HDMI_V13_V_SYNC_GEN_1_0);
493 DUMPREG(HDMI_V13_V_SYNC_GEN_1_1);
494 DUMPREG(HDMI_V13_V_SYNC_GEN_1_2);
495 DUMPREG(HDMI_V13_V_SYNC_GEN_2_0);
496 DUMPREG(HDMI_V13_V_SYNC_GEN_2_1);
497 DUMPREG(HDMI_V13_V_SYNC_GEN_2_2);
498 DUMPREG(HDMI_V13_V_SYNC_GEN_3_0);
499 DUMPREG(HDMI_V13_V_SYNC_GEN_3_1);
500 DUMPREG(HDMI_V13_V_SYNC_GEN_3_2);
501
502 DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix);
503 DUMPREG(HDMI_TG_CMD);
504 DUMPREG(HDMI_TG_H_FSZ_L);
505 DUMPREG(HDMI_TG_H_FSZ_H);
506 DUMPREG(HDMI_TG_HACT_ST_L);
507 DUMPREG(HDMI_TG_HACT_ST_H);
508 DUMPREG(HDMI_TG_HACT_SZ_L);
509 DUMPREG(HDMI_TG_HACT_SZ_H);
510 DUMPREG(HDMI_TG_V_FSZ_L);
511 DUMPREG(HDMI_TG_V_FSZ_H);
512 DUMPREG(HDMI_TG_VSYNC_L);
513 DUMPREG(HDMI_TG_VSYNC_H);
514 DUMPREG(HDMI_TG_VSYNC2_L);
515 DUMPREG(HDMI_TG_VSYNC2_H);
516 DUMPREG(HDMI_TG_VACT_ST_L);
517 DUMPREG(HDMI_TG_VACT_ST_H);
518 DUMPREG(HDMI_TG_VACT_SZ_L);
519 DUMPREG(HDMI_TG_VACT_SZ_H);
520 DUMPREG(HDMI_TG_FIELD_CHG_L);
521 DUMPREG(HDMI_TG_FIELD_CHG_H);
522 DUMPREG(HDMI_TG_VACT_ST2_L);
523 DUMPREG(HDMI_TG_VACT_ST2_H);
524 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
525 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
526 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
527 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
528 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
529 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
530 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
531 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
532#undef DUMPREG
533}
534
535static void hdmi_v14_regs_dump(struct hdmi_context *hdata, char *prefix)
536{
537 int i;
538
539#define DUMPREG(reg_id) \
540 DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \
541 readl(hdata->regs + reg_id))
542
543 DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix);
544 DUMPREG(HDMI_INTC_CON);
545 DUMPREG(HDMI_INTC_FLAG);
546 DUMPREG(HDMI_HPD_STATUS);
547 DUMPREG(HDMI_INTC_CON_1);
548 DUMPREG(HDMI_INTC_FLAG_1);
549 DUMPREG(HDMI_PHY_STATUS_0);
550 DUMPREG(HDMI_PHY_STATUS_PLL);
551 DUMPREG(HDMI_PHY_CON_0);
552 DUMPREG(HDMI_PHY_RSTOUT);
553 DUMPREG(HDMI_PHY_VPLL);
554 DUMPREG(HDMI_PHY_CMU);
555 DUMPREG(HDMI_CORE_RSTOUT);
556
557 DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix);
558 DUMPREG(HDMI_CON_0);
559 DUMPREG(HDMI_CON_1);
560 DUMPREG(HDMI_CON_2);
561 DUMPREG(HDMI_SYS_STATUS);
562 DUMPREG(HDMI_PHY_STATUS_0);
563 DUMPREG(HDMI_STATUS_EN);
564 DUMPREG(HDMI_HPD);
565 DUMPREG(HDMI_MODE_SEL);
566 DUMPREG(HDMI_ENC_EN);
567 DUMPREG(HDMI_DC_CONTROL);
568 DUMPREG(HDMI_VIDEO_PATTERN_GEN);
569
570 DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix);
571 DUMPREG(HDMI_H_BLANK_0);
572 DUMPREG(HDMI_H_BLANK_1);
573 DUMPREG(HDMI_V2_BLANK_0);
574 DUMPREG(HDMI_V2_BLANK_1);
575 DUMPREG(HDMI_V1_BLANK_0);
576 DUMPREG(HDMI_V1_BLANK_1);
577 DUMPREG(HDMI_V_LINE_0);
578 DUMPREG(HDMI_V_LINE_1);
579 DUMPREG(HDMI_H_LINE_0);
580 DUMPREG(HDMI_H_LINE_1);
581 DUMPREG(HDMI_HSYNC_POL);
582
583 DUMPREG(HDMI_VSYNC_POL);
584 DUMPREG(HDMI_INT_PRO_MODE);
585 DUMPREG(HDMI_V_BLANK_F0_0);
586 DUMPREG(HDMI_V_BLANK_F0_1);
587 DUMPREG(HDMI_V_BLANK_F1_0);
588 DUMPREG(HDMI_V_BLANK_F1_1);
589
590 DUMPREG(HDMI_H_SYNC_START_0);
591 DUMPREG(HDMI_H_SYNC_START_1);
592 DUMPREG(HDMI_H_SYNC_END_0);
593 DUMPREG(HDMI_H_SYNC_END_1);
594
595 DUMPREG(HDMI_V_SYNC_LINE_BEF_2_0);
596 DUMPREG(HDMI_V_SYNC_LINE_BEF_2_1);
597 DUMPREG(HDMI_V_SYNC_LINE_BEF_1_0);
598 DUMPREG(HDMI_V_SYNC_LINE_BEF_1_1);
599
600 DUMPREG(HDMI_V_SYNC_LINE_AFT_2_0);
601 DUMPREG(HDMI_V_SYNC_LINE_AFT_2_1);
602 DUMPREG(HDMI_V_SYNC_LINE_AFT_1_0);
603 DUMPREG(HDMI_V_SYNC_LINE_AFT_1_1);
604
605 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_0);
606 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_1);
607 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_0);
608 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_1);
609
610 DUMPREG(HDMI_V_BLANK_F2_0);
611 DUMPREG(HDMI_V_BLANK_F2_1);
612 DUMPREG(HDMI_V_BLANK_F3_0);
613 DUMPREG(HDMI_V_BLANK_F3_1);
614 DUMPREG(HDMI_V_BLANK_F4_0);
615 DUMPREG(HDMI_V_BLANK_F4_1);
616 DUMPREG(HDMI_V_BLANK_F5_0);
617 DUMPREG(HDMI_V_BLANK_F5_1);
618
619 DUMPREG(HDMI_V_SYNC_LINE_AFT_3_0);
620 DUMPREG(HDMI_V_SYNC_LINE_AFT_3_1);
621 DUMPREG(HDMI_V_SYNC_LINE_AFT_4_0);
622 DUMPREG(HDMI_V_SYNC_LINE_AFT_4_1);
623 DUMPREG(HDMI_V_SYNC_LINE_AFT_5_0);
624 DUMPREG(HDMI_V_SYNC_LINE_AFT_5_1);
625 DUMPREG(HDMI_V_SYNC_LINE_AFT_6_0);
626 DUMPREG(HDMI_V_SYNC_LINE_AFT_6_1);
627
628 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_0);
629 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_1);
630 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_0);
631 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_1);
632 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_0);
633 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_1);
634 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_0);
635 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_1);
636
637 DUMPREG(HDMI_VACT_SPACE_1_0);
638 DUMPREG(HDMI_VACT_SPACE_1_1);
639 DUMPREG(HDMI_VACT_SPACE_2_0);
640 DUMPREG(HDMI_VACT_SPACE_2_1);
641 DUMPREG(HDMI_VACT_SPACE_3_0);
642 DUMPREG(HDMI_VACT_SPACE_3_1);
643 DUMPREG(HDMI_VACT_SPACE_4_0);
644 DUMPREG(HDMI_VACT_SPACE_4_1);
645 DUMPREG(HDMI_VACT_SPACE_5_0);
646 DUMPREG(HDMI_VACT_SPACE_5_1);
647 DUMPREG(HDMI_VACT_SPACE_6_0);
648 DUMPREG(HDMI_VACT_SPACE_6_1);
649
650 DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix);
651 DUMPREG(HDMI_TG_CMD);
652 DUMPREG(HDMI_TG_H_FSZ_L);
653 DUMPREG(HDMI_TG_H_FSZ_H);
654 DUMPREG(HDMI_TG_HACT_ST_L);
655 DUMPREG(HDMI_TG_HACT_ST_H);
656 DUMPREG(HDMI_TG_HACT_SZ_L);
657 DUMPREG(HDMI_TG_HACT_SZ_H);
658 DUMPREG(HDMI_TG_V_FSZ_L);
659 DUMPREG(HDMI_TG_V_FSZ_H);
660 DUMPREG(HDMI_TG_VSYNC_L);
661 DUMPREG(HDMI_TG_VSYNC_H);
662 DUMPREG(HDMI_TG_VSYNC2_L);
663 DUMPREG(HDMI_TG_VSYNC2_H);
664 DUMPREG(HDMI_TG_VACT_ST_L);
665 DUMPREG(HDMI_TG_VACT_ST_H);
666 DUMPREG(HDMI_TG_VACT_SZ_L);
667 DUMPREG(HDMI_TG_VACT_SZ_H);
668 DUMPREG(HDMI_TG_FIELD_CHG_L);
669 DUMPREG(HDMI_TG_FIELD_CHG_H);
670 DUMPREG(HDMI_TG_VACT_ST2_L);
671 DUMPREG(HDMI_TG_VACT_ST2_H);
672 DUMPREG(HDMI_TG_VACT_ST3_L);
673 DUMPREG(HDMI_TG_VACT_ST3_H);
674 DUMPREG(HDMI_TG_VACT_ST4_L);
675 DUMPREG(HDMI_TG_VACT_ST4_H);
676 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
677 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
678 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
679 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
680 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
681 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
682 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
683 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
684 DUMPREG(HDMI_TG_3D);
685
686 DRM_DEBUG_KMS("%s: ---- PACKET REGISTERS ----\n", prefix);
687 DUMPREG(HDMI_AVI_CON);
688 DUMPREG(HDMI_AVI_HEADER0);
689 DUMPREG(HDMI_AVI_HEADER1);
690 DUMPREG(HDMI_AVI_HEADER2);
691 DUMPREG(HDMI_AVI_CHECK_SUM);
692 DUMPREG(HDMI_VSI_CON);
693 DUMPREG(HDMI_VSI_HEADER0);
694 DUMPREG(HDMI_VSI_HEADER1);
695 DUMPREG(HDMI_VSI_HEADER2);
696 for (i = 0; i < 7; ++i)
697 DUMPREG(HDMI_VSI_DATA(i));
698
699#undef DUMPREG
700}
701
702static void hdmi_regs_dump(struct hdmi_context *hdata, char *prefix)
703{
704 if (hdata->type == HDMI_TYPE13)
705 hdmi_v13_regs_dump(hdata, prefix);
706 else
707 hdmi_v14_regs_dump(hdata, prefix);
708}
709
710static u8 hdmi_chksum(struct hdmi_context *hdata,
711 u32 start, u8 len, u32 hdr_sum)
712{
713 int i;
714
715 /* hdr_sum : header0 + header1 + header2
716 * start : start address of packet byte1
717 * len : packet bytes - 1 */
718 for (i = 0; i < len; ++i)
719 hdr_sum += 0xff & hdmi_reg_read(hdata, start + i * 4);
720
721 /* return 2's complement of 8 bit hdr_sum */
722 return (u8)(~(hdr_sum & 0xff) + 1);
723}
724
725static void hdmi_reg_infoframe(struct hdmi_context *hdata,
726 union hdmi_infoframe *infoframe)
727{
728 u32 hdr_sum;
729 u8 chksum;
730 u32 mod;
731 u32 vic;
732
733 mod = hdmi_reg_read(hdata, HDMI_MODE_SEL);
734 if (hdata->dvi_mode) {
735 hdmi_reg_writeb(hdata, HDMI_VSI_CON,
736 HDMI_VSI_CON_DO_NOT_TRANSMIT);
737 hdmi_reg_writeb(hdata, HDMI_AVI_CON,
738 HDMI_AVI_CON_DO_NOT_TRANSMIT);
739 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN);
740 return;
741 }
742
743 switch (infoframe->any.type) {
744 case HDMI_INFOFRAME_TYPE_AVI:
745 hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC);
746 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->any.type);
747 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1,
748 infoframe->any.version);
749 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->any.length);
750 hdr_sum = infoframe->any.type + infoframe->any.version +
751 infoframe->any.length;
752
753 /* Output format zero hardcoded ,RGB YBCR selection */
754 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(1), 0 << 5 |
755 AVI_ACTIVE_FORMAT_VALID |
756 AVI_UNDERSCANNED_DISPLAY_VALID);
757
758 /*
759 * Set the aspect ratio as per the mode, mentioned in
760 * Table 9 AVI InfoFrame Data Byte 2 of CEA-861-D Standard
761 */
762 switch (hdata->mode_conf.aspect_ratio) {
763 case HDMI_PICTURE_ASPECT_4_3:
764 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2),
765 hdata->mode_conf.aspect_ratio |
766 AVI_4_3_CENTER_RATIO);
767 break;
768 case HDMI_PICTURE_ASPECT_16_9:
769 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2),
770 hdata->mode_conf.aspect_ratio |
771 AVI_16_9_CENTER_RATIO);
772 break;
773 case HDMI_PICTURE_ASPECT_NONE:
774 default:
775 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2),
776 hdata->mode_conf.aspect_ratio |
777 AVI_SAME_AS_PIC_ASPECT_RATIO);
778 break;
779 }
780
781 vic = hdata->mode_conf.cea_video_id;
782 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(4), vic);
783
784 chksum = hdmi_chksum(hdata, HDMI_AVI_BYTE(1),
785 infoframe->any.length, hdr_sum);
786 DRM_DEBUG_KMS("AVI checksum = 0x%x\n", chksum);
787 hdmi_reg_writeb(hdata, HDMI_AVI_CHECK_SUM, chksum);
788 break;
789 case HDMI_INFOFRAME_TYPE_AUDIO:
790 hdmi_reg_writeb(hdata, HDMI_AUI_CON, 0x02);
791 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->any.type);
792 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1,
793 infoframe->any.version);
794 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->any.length);
795 hdr_sum = infoframe->any.type + infoframe->any.version +
796 infoframe->any.length;
797 chksum = hdmi_chksum(hdata, HDMI_AUI_BYTE(1),
798 infoframe->any.length, hdr_sum);
799 DRM_DEBUG_KMS("AUI checksum = 0x%x\n", chksum);
800 hdmi_reg_writeb(hdata, HDMI_AUI_CHECK_SUM, chksum);
801 break;
802 default:
803 break;
804 }
805}
806
807static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
808 bool force)
809{
810 struct hdmi_context *hdata = ctx_from_connector(connector);
811
812 return hdata->hpd ? connector_status_connected :
813 connector_status_disconnected;
814}
815
816static void hdmi_connector_destroy(struct drm_connector *connector)
817{
818}
819
820static struct drm_connector_funcs hdmi_connector_funcs = {
821 .dpms = drm_helper_connector_dpms,
822 .fill_modes = drm_helper_probe_single_connector_modes,
823 .detect = hdmi_detect,
824 .destroy = hdmi_connector_destroy,
825};
826
827static int hdmi_get_modes(struct drm_connector *connector)
828{
829 struct hdmi_context *hdata = ctx_from_connector(connector);
830 struct edid *edid;
831
832 if (!hdata->ddc_adpt)
833 return -ENODEV;
834
835 edid = drm_get_edid(connector, hdata->ddc_adpt);
836 if (!edid)
837 return -ENODEV;
838
839 hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
840 DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
841 (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
842 edid->width_cm, edid->height_cm);
843
844 drm_mode_connector_update_edid_property(connector, edid);
845
846 return drm_add_edid_modes(connector, edid);
847}
848
849static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
850{
851 const struct hdmiphy_config *confs;
852 int count, i;
853
854 if (hdata->type == HDMI_TYPE13) {
855 confs = hdmiphy_v13_configs;
856 count = ARRAY_SIZE(hdmiphy_v13_configs);
857 } else if (hdata->type == HDMI_TYPE14) {
858 confs = hdmiphy_v14_configs;
859 count = ARRAY_SIZE(hdmiphy_v14_configs);
860 } else
861 return -EINVAL;
862
863 for (i = 0; i < count; i++)
864 if (confs[i].pixel_clock == pixel_clock)
865 return i;
866
867 DRM_DEBUG_KMS("Could not find phy config for %d\n", pixel_clock);
868 return -EINVAL;
869}
870
871static int hdmi_mode_valid(struct drm_connector *connector,
872 struct drm_display_mode *mode)
873{
874 struct hdmi_context *hdata = ctx_from_connector(connector);
875 int ret;
876
877 DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
878 mode->hdisplay, mode->vdisplay, mode->vrefresh,
879 (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
880 false, mode->clock * 1000);
881
882 ret = mixer_check_mode(mode);
883 if (ret)
884 return MODE_BAD;
885
886 ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
887 if (ret < 0)
888 return MODE_BAD;
889
890 return MODE_OK;
891}
892
893static struct drm_encoder *hdmi_best_encoder(struct drm_connector *connector)
894{
895 struct hdmi_context *hdata = ctx_from_connector(connector);
896
897 return hdata->encoder;
898}
899
900static struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
901 .get_modes = hdmi_get_modes,
902 .mode_valid = hdmi_mode_valid,
903 .best_encoder = hdmi_best_encoder,
904};
905
906static int hdmi_create_connector(struct exynos_drm_display *display,
907 struct drm_encoder *encoder)
908{
909 struct hdmi_context *hdata = display->ctx;
910 struct drm_connector *connector = &hdata->connector;
911 int ret;
912
913 hdata->encoder = encoder;
914 connector->interlace_allowed = true;
915 connector->polled = DRM_CONNECTOR_POLL_HPD;
916
917 ret = drm_connector_init(hdata->drm_dev, connector,
918 &hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
919 if (ret) {
920 DRM_ERROR("Failed to initialize connector with drm\n");
921 return ret;
922 }
923
924 drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
925 drm_sysfs_connector_add(connector);
926 drm_mode_connector_attach_encoder(connector, encoder);
927
928 return 0;
929}
930
931static int hdmi_initialize(struct exynos_drm_display *display,
932 struct drm_device *drm_dev)
933{
934 struct hdmi_context *hdata = display->ctx;
935
936 hdata->drm_dev = drm_dev;
937
938 return 0;
939}
940
941static void hdmi_mode_fixup(struct exynos_drm_display *display,
942 struct drm_connector *connector,
943 const struct drm_display_mode *mode,
944 struct drm_display_mode *adjusted_mode)
945{
946 struct drm_display_mode *m;
947 int mode_ok;
948
949 DRM_DEBUG_KMS("%s\n", __FILE__);
950
951 drm_mode_set_crtcinfo(adjusted_mode, 0);
952
953 mode_ok = hdmi_mode_valid(connector, adjusted_mode);
954
955 /* just return if user desired mode exists. */
956 if (mode_ok == MODE_OK)
957 return;
958
959 /*
960 * otherwise, find the most suitable mode among modes and change it
961 * to adjusted_mode.
962 */
963 list_for_each_entry(m, &connector->modes, head) {
964 mode_ok = hdmi_mode_valid(connector, m);
965
966 if (mode_ok == MODE_OK) {
967 DRM_INFO("desired mode doesn't exist so\n");
968 DRM_INFO("use the most suitable mode among modes.\n");
969
970 DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
971 m->hdisplay, m->vdisplay, m->vrefresh);
972
973 drm_mode_copy(adjusted_mode, m);
974 break;
975 }
976 }
977}
978
979static void hdmi_set_acr(u32 freq, u8 *acr)
980{
981 u32 n, cts;
982
983 switch (freq) {
984 case 32000:
985 n = 4096;
986 cts = 27000;
987 break;
988 case 44100:
989 n = 6272;
990 cts = 30000;
991 break;
992 case 88200:
993 n = 12544;
994 cts = 30000;
995 break;
996 case 176400:
997 n = 25088;
998 cts = 30000;
999 break;
1000 case 48000:
1001 n = 6144;
1002 cts = 27000;
1003 break;
1004 case 96000:
1005 n = 12288;
1006 cts = 27000;
1007 break;
1008 case 192000:
1009 n = 24576;
1010 cts = 27000;
1011 break;
1012 default:
1013 n = 0;
1014 cts = 0;
1015 break;
1016 }
1017
1018 acr[1] = cts >> 16;
1019 acr[2] = cts >> 8 & 0xff;
1020 acr[3] = cts & 0xff;
1021
1022 acr[4] = n >> 16;
1023 acr[5] = n >> 8 & 0xff;
1024 acr[6] = n & 0xff;
1025}
1026
1027static void hdmi_reg_acr(struct hdmi_context *hdata, u8 *acr)
1028{
1029 hdmi_reg_writeb(hdata, HDMI_ACR_N0, acr[6]);
1030 hdmi_reg_writeb(hdata, HDMI_ACR_N1, acr[5]);
1031 hdmi_reg_writeb(hdata, HDMI_ACR_N2, acr[4]);
1032 hdmi_reg_writeb(hdata, HDMI_ACR_MCTS0, acr[3]);
1033 hdmi_reg_writeb(hdata, HDMI_ACR_MCTS1, acr[2]);
1034 hdmi_reg_writeb(hdata, HDMI_ACR_MCTS2, acr[1]);
1035 hdmi_reg_writeb(hdata, HDMI_ACR_CTS0, acr[3]);
1036 hdmi_reg_writeb(hdata, HDMI_ACR_CTS1, acr[2]);
1037 hdmi_reg_writeb(hdata, HDMI_ACR_CTS2, acr[1]);
1038
1039 if (hdata->type == HDMI_TYPE13)
1040 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 4);
1041 else
1042 hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
1043}
1044
1045static void hdmi_audio_init(struct hdmi_context *hdata)
1046{
1047 u32 sample_rate, bits_per_sample, frame_size_code;
1048 u32 data_num, bit_ch, sample_frq;
1049 u32 val;
1050 u8 acr[7];
1051
1052 sample_rate = 44100;
1053 bits_per_sample = 16;
1054 frame_size_code = 0;
1055
1056 switch (bits_per_sample) {
1057 case 20:
1058 data_num = 2;
1059 bit_ch = 1;
1060 break;
1061 case 24:
1062 data_num = 3;
1063 bit_ch = 1;
1064 break;
1065 default:
1066 data_num = 1;
1067 bit_ch = 0;
1068 break;
1069 }
1070
1071 hdmi_set_acr(sample_rate, acr);
1072 hdmi_reg_acr(hdata, acr);
1073
1074 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE
1075 | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE
1076 | HDMI_I2S_MUX_ENABLE);
1077
1078 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN
1079 | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN);
1080
1081 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN);
1082
1083 sample_frq = (sample_rate == 44100) ? 0 :
1084 (sample_rate == 48000) ? 2 :
1085 (sample_rate == 32000) ? 3 :
1086 (sample_rate == 96000) ? 0xa : 0x0;
1087
1088 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS);
1089 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN);
1090
1091 val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01;
1092 hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val);
1093
1094 /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */
1095 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5)
1096 | HDMI_I2S_SEL_LRCK(6));
1097 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(1)
1098 | HDMI_I2S_SEL_SDATA2(4));
1099 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1)
1100 | HDMI_I2S_SEL_SDATA2(2));
1101 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0));
1102
1103 /* I2S_CON_1 & 2 */
1104 hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE
1105 | HDMI_I2S_L_CH_LOW_POL);
1106 hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE
1107 | HDMI_I2S_SET_BIT_CH(bit_ch)
1108 | HDMI_I2S_SET_SDATA_BIT(data_num)
1109 | HDMI_I2S_BASIC_FORMAT);
1110
1111 /* Configure register related to CUV information */
1112 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_0, HDMI_I2S_CH_STATUS_MODE_0
1113 | HDMI_I2S_2AUD_CH_WITHOUT_PREEMPH
1114 | HDMI_I2S_COPYRIGHT
1115 | HDMI_I2S_LINEAR_PCM
1116 | HDMI_I2S_CONSUMER_FORMAT);
1117 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_1, HDMI_I2S_CD_PLAYER);
1118 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_2, HDMI_I2S_SET_SOURCE_NUM(0));
1119 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_3, HDMI_I2S_CLK_ACCUR_LEVEL_2
1120 | HDMI_I2S_SET_SMP_FREQ(sample_frq));
1121 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_4,
1122 HDMI_I2S_ORG_SMP_FREQ_44_1
1123 | HDMI_I2S_WORD_LEN_MAX24_24BITS
1124 | HDMI_I2S_WORD_LEN_MAX_24BITS);
1125
1126 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD);
1127}
1128
1129static void hdmi_audio_control(struct hdmi_context *hdata, bool onoff)
1130{
1131 if (hdata->dvi_mode)
1132 return;
1133
1134 hdmi_reg_writeb(hdata, HDMI_AUI_CON, onoff ? 2 : 0);
1135 hdmi_reg_writemask(hdata, HDMI_CON_0, onoff ?
1136 HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK);
1137}
1138
1139static void hdmi_conf_reset(struct hdmi_context *hdata)
1140{
1141 u32 reg;
1142
1143 if (hdata->type == HDMI_TYPE13)
1144 reg = HDMI_V13_CORE_RSTOUT;
1145 else
1146 reg = HDMI_CORE_RSTOUT;
1147
1148 /* resetting HDMI core */
1149 hdmi_reg_writemask(hdata, reg, 0, HDMI_CORE_SW_RSTOUT);
1150 usleep_range(10000, 12000);
1151 hdmi_reg_writemask(hdata, reg, ~0, HDMI_CORE_SW_RSTOUT);
1152 usleep_range(10000, 12000);
1153}
1154
1155static void hdmi_conf_init(struct hdmi_context *hdata)
1156{
1157 union hdmi_infoframe infoframe;
1158
1159 /* disable HPD interrupts from HDMI IP block, use GPIO instead */
1160 hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
1161 HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
1162
1163 /* choose HDMI mode */
1164 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1165 HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
1166 /* disable bluescreen */
1167 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
1168
1169 if (hdata->dvi_mode) {
1170 /* choose DVI mode */
1171 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1172 HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
1173 hdmi_reg_writeb(hdata, HDMI_CON_2,
1174 HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
1175 }
1176
1177 if (hdata->type == HDMI_TYPE13) {
1178 /* choose bluescreen (fecal) color */
1179 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
1180 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
1181 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56);
1182
1183 /* enable AVI packet every vsync, fixes purple line problem */
1184 hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02);
1185 /* force RGB, look to CEA-861-D, table 7 for more detail */
1186 hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5);
1187 hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5);
1188
1189 hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02);
1190 hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02);
1191 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04);
1192 } else {
1193 infoframe.any.type = HDMI_INFOFRAME_TYPE_AVI;
1194 infoframe.any.version = HDMI_AVI_VERSION;
1195 infoframe.any.length = HDMI_AVI_LENGTH;
1196 hdmi_reg_infoframe(hdata, &infoframe);
1197
1198 infoframe.any.type = HDMI_INFOFRAME_TYPE_AUDIO;
1199 infoframe.any.version = HDMI_AUI_VERSION;
1200 infoframe.any.length = HDMI_AUI_LENGTH;
1201 hdmi_reg_infoframe(hdata, &infoframe);
1202
1203 /* enable AVI packet every vsync, fixes purple line problem */
1204 hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5);
1205 }
1206}
1207
1208static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
1209{
1210 const struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v13_conf.tg;
1211 const struct hdmi_v13_core_regs *core =
1212 &hdata->mode_conf.conf.v13_conf.core;
1213 int tries;
1214
1215 /* setting core registers */
1216 hdmi_reg_writeb(hdata, HDMI_H_BLANK_0, core->h_blank[0]);
1217 hdmi_reg_writeb(hdata, HDMI_H_BLANK_1, core->h_blank[1]);
1218 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_0, core->v_blank[0]);
1219 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_1, core->v_blank[1]);
1220 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_2, core->v_blank[2]);
1221 hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_0, core->h_v_line[0]);
1222 hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_1, core->h_v_line[1]);
1223 hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_2, core->h_v_line[2]);
1224 hdmi_reg_writeb(hdata, HDMI_VSYNC_POL, core->vsync_pol[0]);
1225 hdmi_reg_writeb(hdata, HDMI_INT_PRO_MODE, core->int_pro_mode[0]);
1226 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_0, core->v_blank_f[0]);
1227 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_1, core->v_blank_f[1]);
1228 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_2, core->v_blank_f[2]);
1229 hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_0, core->h_sync_gen[0]);
1230 hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_1, core->h_sync_gen[1]);
1231 hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_2, core->h_sync_gen[2]);
1232 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_0, core->v_sync_gen1[0]);
1233 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_1, core->v_sync_gen1[1]);
1234 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_2, core->v_sync_gen1[2]);
1235 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_0, core->v_sync_gen2[0]);
1236 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_1, core->v_sync_gen2[1]);
1237 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_2, core->v_sync_gen2[2]);
1238 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_0, core->v_sync_gen3[0]);
1239 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_1, core->v_sync_gen3[1]);
1240 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_2, core->v_sync_gen3[2]);
1241 /* Timing generator registers */
1242 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_L, tg->h_fsz[0]);
1243 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_H, tg->h_fsz[1]);
1244 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_L, tg->hact_st[0]);
1245 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_H, tg->hact_st[1]);
1246 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_L, tg->hact_sz[0]);
1247 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_H, tg->hact_sz[1]);
1248 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_L, tg->v_fsz[0]);
1249 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_H, tg->v_fsz[1]);
1250 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_L, tg->vsync[0]);
1251 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_H, tg->vsync[1]);
1252 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_L, tg->vsync2[0]);
1253 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_H, tg->vsync2[1]);
1254 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_L, tg->vact_st[0]);
1255 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_H, tg->vact_st[1]);
1256 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_L, tg->vact_sz[0]);
1257 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_H, tg->vact_sz[1]);
1258 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_L, tg->field_chg[0]);
1259 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_H, tg->field_chg[1]);
1260 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_L, tg->vact_st2[0]);
1261 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_H, tg->vact_st2[1]);
1262 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, tg->vsync_top_hdmi[0]);
1263 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_H, tg->vsync_top_hdmi[1]);
1264 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, tg->vsync_bot_hdmi[0]);
1265 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_H, tg->vsync_bot_hdmi[1]);
1266 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_L, tg->field_top_hdmi[0]);
1267 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_H, tg->field_top_hdmi[1]);
1268 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_L, tg->field_bot_hdmi[0]);
1269 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_H, tg->field_bot_hdmi[1]);
1270
1271 /* waiting for HDMIPHY's PLL to get to steady state */
1272 for (tries = 100; tries; --tries) {
1273 u32 val = hdmi_reg_read(hdata, HDMI_V13_PHY_STATUS);
1274 if (val & HDMI_PHY_STATUS_READY)
1275 break;
1276 usleep_range(1000, 2000);
1277 }
1278 /* steady state not achieved */
1279 if (tries == 0) {
1280 DRM_ERROR("hdmiphy's pll could not reach steady state.\n");
1281 hdmi_regs_dump(hdata, "timing apply");
1282 }
1283
1284 clk_disable_unprepare(hdata->res.sclk_hdmi);
1285 clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy);
1286 clk_prepare_enable(hdata->res.sclk_hdmi);
1287
1288 /* enable HDMI and timing generator */
1289 hdmi_reg_writemask(hdata, HDMI_CON_0, ~0, HDMI_EN);
1290 if (core->int_pro_mode[0])
1291 hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN |
1292 HDMI_FIELD_EN);
1293 else
1294 hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN);
1295}
1296
1297static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
1298{
1299 const struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v14_conf.tg;
1300 const struct hdmi_v14_core_regs *core =
1301 &hdata->mode_conf.conf.v14_conf.core;
1302 int tries;
1303
1304 /* setting core registers */
1305 hdmi_reg_writeb(hdata, HDMI_H_BLANK_0, core->h_blank[0]);
1306 hdmi_reg_writeb(hdata, HDMI_H_BLANK_1, core->h_blank[1]);
1307 hdmi_reg_writeb(hdata, HDMI_V2_BLANK_0, core->v2_blank[0]);
1308 hdmi_reg_writeb(hdata, HDMI_V2_BLANK_1, core->v2_blank[1]);
1309 hdmi_reg_writeb(hdata, HDMI_V1_BLANK_0, core->v1_blank[0]);
1310 hdmi_reg_writeb(hdata, HDMI_V1_BLANK_1, core->v1_blank[1]);
1311 hdmi_reg_writeb(hdata, HDMI_V_LINE_0, core->v_line[0]);
1312 hdmi_reg_writeb(hdata, HDMI_V_LINE_1, core->v_line[1]);
1313 hdmi_reg_writeb(hdata, HDMI_H_LINE_0, core->h_line[0]);
1314 hdmi_reg_writeb(hdata, HDMI_H_LINE_1, core->h_line[1]);
1315 hdmi_reg_writeb(hdata, HDMI_HSYNC_POL, core->hsync_pol[0]);
1316 hdmi_reg_writeb(hdata, HDMI_VSYNC_POL, core->vsync_pol[0]);
1317 hdmi_reg_writeb(hdata, HDMI_INT_PRO_MODE, core->int_pro_mode[0]);
1318 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F0_0, core->v_blank_f0[0]);
1319 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F0_1, core->v_blank_f0[1]);
1320 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F1_0, core->v_blank_f1[0]);
1321 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F1_1, core->v_blank_f1[1]);
1322 hdmi_reg_writeb(hdata, HDMI_H_SYNC_START_0, core->h_sync_start[0]);
1323 hdmi_reg_writeb(hdata, HDMI_H_SYNC_START_1, core->h_sync_start[1]);
1324 hdmi_reg_writeb(hdata, HDMI_H_SYNC_END_0, core->h_sync_end[0]);
1325 hdmi_reg_writeb(hdata, HDMI_H_SYNC_END_1, core->h_sync_end[1]);
1326 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_2_0,
1327 core->v_sync_line_bef_2[0]);
1328 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_2_1,
1329 core->v_sync_line_bef_2[1]);
1330 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_1_0,
1331 core->v_sync_line_bef_1[0]);
1332 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_1_1,
1333 core->v_sync_line_bef_1[1]);
1334 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_2_0,
1335 core->v_sync_line_aft_2[0]);
1336 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_2_1,
1337 core->v_sync_line_aft_2[1]);
1338 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_1_0,
1339 core->v_sync_line_aft_1[0]);
1340 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_1_1,
1341 core->v_sync_line_aft_1[1]);
1342 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0,
1343 core->v_sync_line_aft_pxl_2[0]);
1344 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_1,
1345 core->v_sync_line_aft_pxl_2[1]);
1346 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0,
1347 core->v_sync_line_aft_pxl_1[0]);
1348 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_1,
1349 core->v_sync_line_aft_pxl_1[1]);
1350 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F2_0, core->v_blank_f2[0]);
1351 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F2_1, core->v_blank_f2[1]);
1352 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F3_0, core->v_blank_f3[0]);
1353 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F3_1, core->v_blank_f3[1]);
1354 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F4_0, core->v_blank_f4[0]);
1355 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F4_1, core->v_blank_f4[1]);
1356 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F5_0, core->v_blank_f5[0]);
1357 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F5_1, core->v_blank_f5[1]);
1358 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_3_0,
1359 core->v_sync_line_aft_3[0]);
1360 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_3_1,
1361 core->v_sync_line_aft_3[1]);
1362 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_4_0,
1363 core->v_sync_line_aft_4[0]);
1364 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_4_1,
1365 core->v_sync_line_aft_4[1]);
1366 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_5_0,
1367 core->v_sync_line_aft_5[0]);
1368 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_5_1,
1369 core->v_sync_line_aft_5[1]);
1370 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_6_0,
1371 core->v_sync_line_aft_6[0]);
1372 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_6_1,
1373 core->v_sync_line_aft_6[1]);
1374 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0,
1375 core->v_sync_line_aft_pxl_3[0]);
1376 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_1,
1377 core->v_sync_line_aft_pxl_3[1]);
1378 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0,
1379 core->v_sync_line_aft_pxl_4[0]);
1380 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_1,
1381 core->v_sync_line_aft_pxl_4[1]);
1382 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0,
1383 core->v_sync_line_aft_pxl_5[0]);
1384 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_1,
1385 core->v_sync_line_aft_pxl_5[1]);
1386 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0,
1387 core->v_sync_line_aft_pxl_6[0]);
1388 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_1,
1389 core->v_sync_line_aft_pxl_6[1]);
1390 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_1_0, core->vact_space_1[0]);
1391 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_1_1, core->vact_space_1[1]);
1392 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_2_0, core->vact_space_2[0]);
1393 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_2_1, core->vact_space_2[1]);
1394 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_3_0, core->vact_space_3[0]);
1395 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_3_1, core->vact_space_3[1]);
1396 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_4_0, core->vact_space_4[0]);
1397 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_4_1, core->vact_space_4[1]);
1398 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_5_0, core->vact_space_5[0]);
1399 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_5_1, core->vact_space_5[1]);
1400 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_6_0, core->vact_space_6[0]);
1401 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_6_1, core->vact_space_6[1]);
1402
1403 /* Timing generator registers */
1404 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_L, tg->h_fsz[0]);
1405 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_H, tg->h_fsz[1]);
1406 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_L, tg->hact_st[0]);
1407 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_H, tg->hact_st[1]);
1408 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_L, tg->hact_sz[0]);
1409 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_H, tg->hact_sz[1]);
1410 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_L, tg->v_fsz[0]);
1411 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_H, tg->v_fsz[1]);
1412 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_L, tg->vsync[0]);
1413 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_H, tg->vsync[1]);
1414 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_L, tg->vsync2[0]);
1415 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_H, tg->vsync2[1]);
1416 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_L, tg->vact_st[0]);
1417 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_H, tg->vact_st[1]);
1418 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_L, tg->vact_sz[0]);
1419 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_H, tg->vact_sz[1]);
1420 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_L, tg->field_chg[0]);
1421 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_H, tg->field_chg[1]);
1422 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_L, tg->vact_st2[0]);
1423 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_H, tg->vact_st2[1]);
1424 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST3_L, tg->vact_st3[0]);
1425 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST3_H, tg->vact_st3[1]);
1426 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST4_L, tg->vact_st4[0]);
1427 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST4_H, tg->vact_st4[1]);
1428 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, tg->vsync_top_hdmi[0]);
1429 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_H, tg->vsync_top_hdmi[1]);
1430 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, tg->vsync_bot_hdmi[0]);
1431 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_H, tg->vsync_bot_hdmi[1]);
1432 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_L, tg->field_top_hdmi[0]);
1433 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_H, tg->field_top_hdmi[1]);
1434 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_L, tg->field_bot_hdmi[0]);
1435 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_H, tg->field_bot_hdmi[1]);
1436 hdmi_reg_writeb(hdata, HDMI_TG_3D, tg->tg_3d[0]);
1437
1438 /* waiting for HDMIPHY's PLL to get to steady state */
1439 for (tries = 100; tries; --tries) {
1440 u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS_0);
1441 if (val & HDMI_PHY_STATUS_READY)
1442 break;
1443 usleep_range(1000, 2000);
1444 }
1445 /* steady state not achieved */
1446 if (tries == 0) {
1447 DRM_ERROR("hdmiphy's pll could not reach steady state.\n");
1448 hdmi_regs_dump(hdata, "timing apply");
1449 }
1450
1451 clk_disable_unprepare(hdata->res.sclk_hdmi);
1452 clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy);
1453 clk_prepare_enable(hdata->res.sclk_hdmi);
1454
1455 /* enable HDMI and timing generator */
1456 hdmi_reg_writemask(hdata, HDMI_CON_0, ~0, HDMI_EN);
1457 if (core->int_pro_mode[0])
1458 hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN |
1459 HDMI_FIELD_EN);
1460 else
1461 hdmi_reg_writemask(hdata, HDMI_TG_CMD, ~0, HDMI_TG_EN);
1462}
1463
1464static void hdmi_mode_apply(struct hdmi_context *hdata)
1465{
1466 if (hdata->type == HDMI_TYPE13)
1467 hdmi_v13_mode_apply(hdata);
1468 else
1469 hdmi_v14_mode_apply(hdata);
1470}
1471
1472static void hdmiphy_conf_reset(struct hdmi_context *hdata)
1473{
1474 u8 buffer[2];
1475 u32 reg;
1476
1477 clk_disable_unprepare(hdata->res.sclk_hdmi);
1478 clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_pixel);
1479 clk_prepare_enable(hdata->res.sclk_hdmi);
1480
1481 /* operation mode */
1482 buffer[0] = 0x1f;
1483 buffer[1] = 0x00;
1484
1485 if (hdata->hdmiphy_port)
1486 i2c_master_send(hdata->hdmiphy_port, buffer, 2);
1487
1488 if (hdata->type == HDMI_TYPE13)
1489 reg = HDMI_V13_PHY_RSTOUT;
1490 else
1491 reg = HDMI_PHY_RSTOUT;
1492
1493 /* reset hdmiphy */
1494 hdmi_reg_writemask(hdata, reg, ~0, HDMI_PHY_SW_RSTOUT);
1495 usleep_range(10000, 12000);
1496 hdmi_reg_writemask(hdata, reg, 0, HDMI_PHY_SW_RSTOUT);
1497 usleep_range(10000, 12000);
1498}
1499
1500static void hdmiphy_poweron(struct hdmi_context *hdata)
1501{
1502 if (hdata->type == HDMI_TYPE14)
1503 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0,
1504 HDMI_PHY_POWER_OFF_EN);
1505}
1506
1507static void hdmiphy_poweroff(struct hdmi_context *hdata)
1508{
1509 if (hdata->type == HDMI_TYPE14)
1510 hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0,
1511 HDMI_PHY_POWER_OFF_EN);
1512}
1513
1514static void hdmiphy_conf_apply(struct hdmi_context *hdata)
1515{
1516 const u8 *hdmiphy_data;
1517 u8 buffer[32];
1518 u8 operation[2];
1519 u8 read_buffer[32] = {0, };
1520 int ret;
1521 int i;
1522
1523 if (!hdata->hdmiphy_port) {
1524 DRM_ERROR("hdmiphy is not attached\n");
1525 return;
1526 }
1527
1528 /* pixel clock */
1529 i = hdmi_find_phy_conf(hdata, hdata->mode_conf.pixel_clock);
1530 if (i < 0) {
1531 DRM_ERROR("failed to find hdmiphy conf\n");
1532 return;
1533 }
1534
1535 if (hdata->type == HDMI_TYPE13)
1536 hdmiphy_data = hdmiphy_v13_configs[i].conf;
1537 else
1538 hdmiphy_data = hdmiphy_v14_configs[i].conf;
1539
1540 memcpy(buffer, hdmiphy_data, 32);
1541 ret = i2c_master_send(hdata->hdmiphy_port, buffer, 32);
1542 if (ret != 32) {
1543 DRM_ERROR("failed to configure HDMIPHY via I2C\n");
1544 return;
1545 }
1546
1547 usleep_range(10000, 12000);
1548
1549 /* operation mode */
1550 operation[0] = 0x1f;
1551 operation[1] = 0x80;
1552
1553 ret = i2c_master_send(hdata->hdmiphy_port, operation, 2);
1554 if (ret != 2) {
1555 DRM_ERROR("failed to enable hdmiphy\n");
1556 return;
1557 }
1558
1559 ret = i2c_master_recv(hdata->hdmiphy_port, read_buffer, 32);
1560 if (ret < 0) {
1561 DRM_ERROR("failed to read hdmiphy config\n");
1562 return;
1563 }
1564
1565 for (i = 0; i < ret; i++)
1566 DRM_DEBUG_KMS("hdmiphy[0x%02x] write[0x%02x] - "
1567 "recv [0x%02x]\n", i, buffer[i], read_buffer[i]);
1568}
1569
1570static void hdmi_conf_apply(struct hdmi_context *hdata)
1571{
1572 hdmiphy_conf_reset(hdata);
1573 hdmiphy_conf_apply(hdata);
1574
1575 mutex_lock(&hdata->hdmi_mutex);
1576 hdmi_conf_reset(hdata);
1577 hdmi_conf_init(hdata);
1578 mutex_unlock(&hdata->hdmi_mutex);
1579
1580 hdmi_audio_init(hdata);
1581
1582 /* setting core registers */
1583 hdmi_mode_apply(hdata);
1584 hdmi_audio_control(hdata, true);
1585
1586 hdmi_regs_dump(hdata, "start");
1587}
1588
1589static void hdmi_set_reg(u8 *reg_pair, int num_bytes, u32 value)
1590{
1591 int i;
1592 BUG_ON(num_bytes > 4);
1593 for (i = 0; i < num_bytes; i++)
1594 reg_pair[i] = (value >> (8 * i)) & 0xff;
1595}
1596
1597static void hdmi_v13_mode_set(struct hdmi_context *hdata,
1598 struct drm_display_mode *m)
1599{
1600 struct hdmi_v13_core_regs *core = &hdata->mode_conf.conf.v13_conf.core;
1601 struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v13_conf.tg;
1602 unsigned int val;
1603
1604 hdata->mode_conf.cea_video_id =
1605 drm_match_cea_mode((struct drm_display_mode *)m);
1606 hdata->mode_conf.pixel_clock = m->clock * 1000;
1607 hdata->mode_conf.aspect_ratio = m->picture_aspect_ratio;
1608
1609 hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay);
1610 hdmi_set_reg(core->h_v_line, 3, (m->htotal << 12) | m->vtotal);
1611
1612 val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
1613 hdmi_set_reg(core->vsync_pol, 1, val);
1614
1615 val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
1616 hdmi_set_reg(core->int_pro_mode, 1, val);
1617
1618 val = (m->hsync_start - m->hdisplay - 2);
1619 val |= ((m->hsync_end - m->hdisplay - 2) << 10);
1620 val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
1621 hdmi_set_reg(core->h_sync_gen, 3, val);
1622
1623 /*
1624 * Quirk requirement for exynos HDMI IP design,
1625 * 2 pixels less than the actual calculation for hsync_start
1626 * and end.
1627 */
1628
1629 /* Following values & calculations differ for different type of modes */
1630 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1631 /* Interlaced Mode */
1632 val = ((m->vsync_end - m->vdisplay) / 2);
1633 val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
1634 hdmi_set_reg(core->v_sync_gen1, 3, val);
1635
1636 val = m->vtotal / 2;
1637 val |= ((m->vtotal - m->vdisplay) / 2) << 11;
1638 hdmi_set_reg(core->v_blank, 3, val);
1639
1640 val = (m->vtotal +
1641 ((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
1642 val |= m->vtotal << 11;
1643 hdmi_set_reg(core->v_blank_f, 3, val);
1644
1645 val = ((m->vtotal / 2) + 7);
1646 val |= ((m->vtotal / 2) + 2) << 12;
1647 hdmi_set_reg(core->v_sync_gen2, 3, val);
1648
1649 val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
1650 val |= ((m->htotal / 2) +
1651 (m->hsync_start - m->hdisplay)) << 12;
1652 hdmi_set_reg(core->v_sync_gen3, 3, val);
1653
1654 hdmi_set_reg(tg->vact_st, 2, (m->vtotal - m->vdisplay) / 2);
1655 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay / 2);
1656
1657 hdmi_set_reg(tg->vact_st2, 2, 0x249);/* Reset value + 1*/
1658 } else {
1659 /* Progressive Mode */
1660
1661 val = m->vtotal;
1662 val |= (m->vtotal - m->vdisplay) << 11;
1663 hdmi_set_reg(core->v_blank, 3, val);
1664
1665 hdmi_set_reg(core->v_blank_f, 3, 0);
1666
1667 val = (m->vsync_end - m->vdisplay);
1668 val |= ((m->vsync_start - m->vdisplay) << 12);
1669 hdmi_set_reg(core->v_sync_gen1, 3, val);
1670
1671 hdmi_set_reg(core->v_sync_gen2, 3, 0x1001);/* Reset value */
1672 hdmi_set_reg(core->v_sync_gen3, 3, 0x1001);/* Reset value */
1673 hdmi_set_reg(tg->vact_st, 2, m->vtotal - m->vdisplay);
1674 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay);
1675 hdmi_set_reg(tg->vact_st2, 2, 0x248); /* Reset value */
1676 }
1677
1678 /* Timing generator registers */
1679 hdmi_set_reg(tg->cmd, 1, 0x0);
1680 hdmi_set_reg(tg->h_fsz, 2, m->htotal);
1681 hdmi_set_reg(tg->hact_st, 2, m->htotal - m->hdisplay);
1682 hdmi_set_reg(tg->hact_sz, 2, m->hdisplay);
1683 hdmi_set_reg(tg->v_fsz, 2, m->vtotal);
1684 hdmi_set_reg(tg->vsync, 2, 0x1);
1685 hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */
1686 hdmi_set_reg(tg->field_chg, 2, 0x233); /* Reset value */
1687 hdmi_set_reg(tg->vsync_top_hdmi, 2, 0x1); /* Reset value */
1688 hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */
1689 hdmi_set_reg(tg->field_top_hdmi, 2, 0x1); /* Reset value */
1690 hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */
1691 hdmi_set_reg(tg->tg_3d, 1, 0x0); /* Not used */
1692}
1693
1694static void hdmi_v14_mode_set(struct hdmi_context *hdata,
1695 struct drm_display_mode *m)
1696{
1697 struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v14_conf.tg;
1698 struct hdmi_v14_core_regs *core =
1699 &hdata->mode_conf.conf.v14_conf.core;
1700
1701 hdata->mode_conf.cea_video_id =
1702 drm_match_cea_mode((struct drm_display_mode *)m);
1703 hdata->mode_conf.pixel_clock = m->clock * 1000;
1704 hdata->mode_conf.aspect_ratio = m->picture_aspect_ratio;
1705
1706 hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay);
1707 hdmi_set_reg(core->v_line, 2, m->vtotal);
1708 hdmi_set_reg(core->h_line, 2, m->htotal);
1709 hdmi_set_reg(core->hsync_pol, 1,
1710 (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
1711 hdmi_set_reg(core->vsync_pol, 1,
1712 (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
1713 hdmi_set_reg(core->int_pro_mode, 1,
1714 (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
1715
1716 /*
1717 * Quirk requirement for exynos 5 HDMI IP design,
1718 * 2 pixels less than the actual calculation for hsync_start
1719 * and end.
1720 */
1721
1722 /* Following values & calculations differ for different type of modes */
1723 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1724 /* Interlaced Mode */
1725 hdmi_set_reg(core->v_sync_line_bef_2, 2,
1726 (m->vsync_end - m->vdisplay) / 2);
1727 hdmi_set_reg(core->v_sync_line_bef_1, 2,
1728 (m->vsync_start - m->vdisplay) / 2);
1729 hdmi_set_reg(core->v2_blank, 2, m->vtotal / 2);
1730 hdmi_set_reg(core->v1_blank, 2, (m->vtotal - m->vdisplay) / 2);
1731 hdmi_set_reg(core->v_blank_f0, 2, m->vtotal - m->vdisplay / 2);
1732 hdmi_set_reg(core->v_blank_f1, 2, m->vtotal);
1733 hdmi_set_reg(core->v_sync_line_aft_2, 2, (m->vtotal / 2) + 7);
1734 hdmi_set_reg(core->v_sync_line_aft_1, 2, (m->vtotal / 2) + 2);
1735 hdmi_set_reg(core->v_sync_line_aft_pxl_2, 2,
1736 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1737 hdmi_set_reg(core->v_sync_line_aft_pxl_1, 2,
1738 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1739 hdmi_set_reg(tg->vact_st, 2, (m->vtotal - m->vdisplay) / 2);
1740 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay / 2);
1741 hdmi_set_reg(tg->vact_st2, 2, m->vtotal - m->vdisplay / 2);
1742 hdmi_set_reg(tg->vsync2, 2, (m->vtotal / 2) + 1);
1743 hdmi_set_reg(tg->vsync_bot_hdmi, 2, (m->vtotal / 2) + 1);
1744 hdmi_set_reg(tg->field_bot_hdmi, 2, (m->vtotal / 2) + 1);
1745 hdmi_set_reg(tg->vact_st3, 2, 0x0);
1746 hdmi_set_reg(tg->vact_st4, 2, 0x0);
1747 } else {
1748 /* Progressive Mode */
1749 hdmi_set_reg(core->v_sync_line_bef_2, 2,
1750 m->vsync_end - m->vdisplay);
1751 hdmi_set_reg(core->v_sync_line_bef_1, 2,
1752 m->vsync_start - m->vdisplay);
1753 hdmi_set_reg(core->v2_blank, 2, m->vtotal);
1754 hdmi_set_reg(core->v1_blank, 2, m->vtotal - m->vdisplay);
1755 hdmi_set_reg(core->v_blank_f0, 2, 0xffff);
1756 hdmi_set_reg(core->v_blank_f1, 2, 0xffff);
1757 hdmi_set_reg(core->v_sync_line_aft_2, 2, 0xffff);
1758 hdmi_set_reg(core->v_sync_line_aft_1, 2, 0xffff);
1759 hdmi_set_reg(core->v_sync_line_aft_pxl_2, 2, 0xffff);
1760 hdmi_set_reg(core->v_sync_line_aft_pxl_1, 2, 0xffff);
1761 hdmi_set_reg(tg->vact_st, 2, m->vtotal - m->vdisplay);
1762 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay);
1763 hdmi_set_reg(tg->vact_st2, 2, 0x248); /* Reset value */
1764 hdmi_set_reg(tg->vact_st3, 2, 0x47b); /* Reset value */
1765 hdmi_set_reg(tg->vact_st4, 2, 0x6ae); /* Reset value */
1766 hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */
1767 hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */
1768 hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */
1769 }
1770
1771 /* Following values & calculations are same irrespective of mode type */
1772 hdmi_set_reg(core->h_sync_start, 2, m->hsync_start - m->hdisplay - 2);
1773 hdmi_set_reg(core->h_sync_end, 2, m->hsync_end - m->hdisplay - 2);
1774 hdmi_set_reg(core->vact_space_1, 2, 0xffff);
1775 hdmi_set_reg(core->vact_space_2, 2, 0xffff);
1776 hdmi_set_reg(core->vact_space_3, 2, 0xffff);
1777 hdmi_set_reg(core->vact_space_4, 2, 0xffff);
1778 hdmi_set_reg(core->vact_space_5, 2, 0xffff);
1779 hdmi_set_reg(core->vact_space_6, 2, 0xffff);
1780 hdmi_set_reg(core->v_blank_f2, 2, 0xffff);
1781 hdmi_set_reg(core->v_blank_f3, 2, 0xffff);
1782 hdmi_set_reg(core->v_blank_f4, 2, 0xffff);
1783 hdmi_set_reg(core->v_blank_f5, 2, 0xffff);
1784 hdmi_set_reg(core->v_sync_line_aft_3, 2, 0xffff);
1785 hdmi_set_reg(core->v_sync_line_aft_4, 2, 0xffff);
1786 hdmi_set_reg(core->v_sync_line_aft_5, 2, 0xffff);
1787 hdmi_set_reg(core->v_sync_line_aft_6, 2, 0xffff);
1788 hdmi_set_reg(core->v_sync_line_aft_pxl_3, 2, 0xffff);
1789 hdmi_set_reg(core->v_sync_line_aft_pxl_4, 2, 0xffff);
1790 hdmi_set_reg(core->v_sync_line_aft_pxl_5, 2, 0xffff);
1791 hdmi_set_reg(core->v_sync_line_aft_pxl_6, 2, 0xffff);
1792
1793 /* Timing generator registers */
1794 hdmi_set_reg(tg->cmd, 1, 0x0);
1795 hdmi_set_reg(tg->h_fsz, 2, m->htotal);
1796 hdmi_set_reg(tg->hact_st, 2, m->htotal - m->hdisplay);
1797 hdmi_set_reg(tg->hact_sz, 2, m->hdisplay);
1798 hdmi_set_reg(tg->v_fsz, 2, m->vtotal);
1799 hdmi_set_reg(tg->vsync, 2, 0x1);
1800 hdmi_set_reg(tg->field_chg, 2, 0x233); /* Reset value */
1801 hdmi_set_reg(tg->vsync_top_hdmi, 2, 0x1); /* Reset value */
1802 hdmi_set_reg(tg->field_top_hdmi, 2, 0x1); /* Reset value */
1803 hdmi_set_reg(tg->tg_3d, 1, 0x0);
1804}
1805
1806static void hdmi_mode_set(struct exynos_drm_display *display,
1807 struct drm_display_mode *mode)
1808{
1809 struct hdmi_context *hdata = display->ctx;
1810 struct drm_display_mode *m = mode;
1811
1812 DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n",
1813 m->hdisplay, m->vdisplay,
1814 m->vrefresh, (m->flags & DRM_MODE_FLAG_INTERLACE) ?
1815 "INTERLACED" : "PROGERESSIVE");
1816
1817 if (hdata->type == HDMI_TYPE13)
1818 hdmi_v13_mode_set(hdata, mode);
1819 else
1820 hdmi_v14_mode_set(hdata, mode);
1821}
1822
1823static void hdmi_commit(struct exynos_drm_display *display)
1824{
1825 struct hdmi_context *hdata = display->ctx;
1826
1827 mutex_lock(&hdata->hdmi_mutex);
1828 if (!hdata->powered) {
1829 mutex_unlock(&hdata->hdmi_mutex);
1830 return;
1831 }
1832 mutex_unlock(&hdata->hdmi_mutex);
1833
1834 hdmi_conf_apply(hdata);
1835}
1836
1837static void hdmi_poweron(struct exynos_drm_display *display)
1838{
1839 struct hdmi_context *hdata = display->ctx;
1840 struct hdmi_resources *res = &hdata->res;
1841
1842 mutex_lock(&hdata->hdmi_mutex);
1843 if (hdata->powered) {
1844 mutex_unlock(&hdata->hdmi_mutex);
1845 return;
1846 }
1847
1848 hdata->powered = true;
1849
1850 mutex_unlock(&hdata->hdmi_mutex);
1851
1852 pm_runtime_get_sync(hdata->dev);
1853
1854 if (regulator_bulk_enable(res->regul_count, res->regul_bulk))
1855 DRM_DEBUG_KMS("failed to enable regulator bulk\n");
1856
1857 clk_prepare_enable(res->hdmiphy);
1858 clk_prepare_enable(res->hdmi);
1859 clk_prepare_enable(res->sclk_hdmi);
1860
1861 hdmiphy_poweron(hdata);
1862 hdmi_commit(display);
1863}
1864
1865static void hdmi_poweroff(struct exynos_drm_display *display)
1866{
1867 struct hdmi_context *hdata = display->ctx;
1868 struct hdmi_resources *res = &hdata->res;
1869
1870 mutex_lock(&hdata->hdmi_mutex);
1871 if (!hdata->powered)
1872 goto out;
1873 mutex_unlock(&hdata->hdmi_mutex);
1874
1875 /*
1876 * The TV power domain needs any condition of hdmiphy to turn off and
1877 * its reset state seems to meet the condition.
1878 */
1879 hdmiphy_conf_reset(hdata);
1880 hdmiphy_poweroff(hdata);
1881
1882 clk_disable_unprepare(res->sclk_hdmi);
1883 clk_disable_unprepare(res->hdmi);
1884 clk_disable_unprepare(res->hdmiphy);
1885 regulator_bulk_disable(res->regul_count, res->regul_bulk);
1886
1887 pm_runtime_put_sync(hdata->dev);
1888
1889 mutex_lock(&hdata->hdmi_mutex);
1890 hdata->powered = false;
1891
1892out:
1893 mutex_unlock(&hdata->hdmi_mutex);
1894}
1895
1896static void hdmi_dpms(struct exynos_drm_display *display, int mode)
1897{
1898 DRM_DEBUG_KMS("mode %d\n", mode);
1899
1900 switch (mode) {
1901 case DRM_MODE_DPMS_ON:
1902 hdmi_poweron(display);
1903 break;
1904 case DRM_MODE_DPMS_STANDBY:
1905 case DRM_MODE_DPMS_SUSPEND:
1906 case DRM_MODE_DPMS_OFF:
1907 hdmi_poweroff(display);
1908 break;
1909 default:
1910 DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode);
1911 break;
1912 }
1913}
1914
1915static struct exynos_drm_display_ops hdmi_display_ops = {
1916 .initialize = hdmi_initialize,
1917 .create_connector = hdmi_create_connector,
1918 .mode_fixup = hdmi_mode_fixup,
1919 .mode_set = hdmi_mode_set,
1920 .dpms = hdmi_dpms,
1921 .commit = hdmi_commit,
1922};
1923
1924static struct exynos_drm_display hdmi_display = {
1925 .type = EXYNOS_DISPLAY_TYPE_HDMI,
1926 .ops = &hdmi_display_ops,
1927};
1928
1929static irqreturn_t hdmi_irq_thread(int irq, void *arg)
1930{
1931 struct hdmi_context *hdata = arg;
1932
1933 mutex_lock(&hdata->hdmi_mutex);
1934 hdata->hpd = gpio_get_value(hdata->hpd_gpio);
1935 mutex_unlock(&hdata->hdmi_mutex);
1936
1937 if (hdata->drm_dev)
1938 drm_helper_hpd_irq_event(hdata->drm_dev);
1939
1940 return IRQ_HANDLED;
1941}
1942
1943static int hdmi_resources_init(struct hdmi_context *hdata)
1944{
1945 struct device *dev = hdata->dev;
1946 struct hdmi_resources *res = &hdata->res;
1947 static char *supply[] = {
1948 "hdmi-en",
1949 "vdd",
1950 "vdd_osc",
1951 "vdd_pll",
1952 };
1953 int i, ret;
1954
1955 DRM_DEBUG_KMS("HDMI resource init\n");
1956
1957 memset(res, 0, sizeof(*res));
1958
1959 /* get clocks, power */
1960 res->hdmi = devm_clk_get(dev, "hdmi");
1961 if (IS_ERR(res->hdmi)) {
1962 DRM_ERROR("failed to get clock 'hdmi'\n");
1963 goto fail;
1964 }
1965 res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
1966 if (IS_ERR(res->sclk_hdmi)) {
1967 DRM_ERROR("failed to get clock 'sclk_hdmi'\n");
1968 goto fail;
1969 }
1970 res->sclk_pixel = devm_clk_get(dev, "sclk_pixel");
1971 if (IS_ERR(res->sclk_pixel)) {
1972 DRM_ERROR("failed to get clock 'sclk_pixel'\n");
1973 goto fail;
1974 }
1975 res->sclk_hdmiphy = devm_clk_get(dev, "sclk_hdmiphy");
1976 if (IS_ERR(res->sclk_hdmiphy)) {
1977 DRM_ERROR("failed to get clock 'sclk_hdmiphy'\n");
1978 goto fail;
1979 }
1980 res->hdmiphy = devm_clk_get(dev, "hdmiphy");
1981 if (IS_ERR(res->hdmiphy)) {
1982 DRM_ERROR("failed to get clock 'hdmiphy'\n");
1983 goto fail;
1984 }
1985 res->mout_hdmi = devm_clk_get(dev, "mout_hdmi");
1986 if (IS_ERR(res->mout_hdmi)) {
1987 DRM_ERROR("failed to get clock 'mout_hdmi'\n");
1988 goto fail;
1989 }
1990
1991 clk_set_parent(res->mout_hdmi, res->sclk_pixel);
1992
1993 res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) *
1994 sizeof(res->regul_bulk[0]), GFP_KERNEL);
1995 if (!res->regul_bulk)
1996 goto fail;
1997 for (i = 0; i < ARRAY_SIZE(supply); ++i) {
1998 res->regul_bulk[i].supply = supply[i];
1999 res->regul_bulk[i].consumer = NULL;
2000 }
2001 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk);
2002 if (ret) {
2003 DRM_ERROR("failed to get regulators\n");
2004 goto fail;
2005 }
2006 res->regul_count = ARRAY_SIZE(supply);
2007
2008 return 0;
2009fail:
2010 DRM_ERROR("HDMI resource init - failed\n");
2011 return -ENODEV;
2012}
2013
2014static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
2015 (struct device *dev)
2016{
2017 struct device_node *np = dev->of_node;
2018 struct s5p_hdmi_platform_data *pd;
2019 u32 value;
2020
2021 pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
2022 if (!pd)
2023 goto err_data;
2024
2025 if (!of_find_property(np, "hpd-gpio", &value)) {
2026 DRM_ERROR("no hpd gpio property found\n");
2027 goto err_data;
2028 }
2029
2030 pd->hpd_gpio = of_get_named_gpio(np, "hpd-gpio", 0);
2031
2032 return pd;
2033
2034err_data:
2035 return NULL;
2036}
2037
2038static struct of_device_id hdmi_match_types[] = {
2039 {
2040 .compatible = "samsung,exynos5-hdmi",
2041 .data = &exynos5_hdmi_driver_data,
2042 }, {
2043 .compatible = "samsung,exynos4212-hdmi",
2044 .data = &exynos4212_hdmi_driver_data,
2045 }, {
2046 /* end node */
2047 }
2048};
2049
2050static int hdmi_probe(struct platform_device *pdev)
2051{
2052 struct device *dev = &pdev->dev;
2053 struct hdmi_context *hdata;
2054 struct s5p_hdmi_platform_data *pdata;
2055 struct resource *res;
2056 const struct of_device_id *match;
2057 struct device_node *ddc_node, *phy_node;
2058 struct hdmi_driver_data *drv_data;
2059 int ret;
2060
2061 if (!dev->of_node)
2062 return -ENODEV;
2063
2064 pdata = drm_hdmi_dt_parse_pdata(dev);
2065 if (!pdata)
2066 return -EINVAL;
2067
2068 hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
2069 if (!hdata)
2070 return -ENOMEM;
2071
2072 mutex_init(&hdata->hdmi_mutex);
2073
2074 platform_set_drvdata(pdev, &hdmi_display);
2075
2076 match = of_match_node(hdmi_match_types, dev->of_node);
2077 if (!match)
2078 return -ENODEV;
2079
2080 drv_data = (struct hdmi_driver_data *)match->data;
2081 hdata->type = drv_data->type;
2082
2083 hdata->hpd_gpio = pdata->hpd_gpio;
2084 hdata->dev = dev;
2085
2086 ret = hdmi_resources_init(hdata);
2087 if (ret) {
2088 DRM_ERROR("hdmi_resources_init failed\n");
2089 return -EINVAL;
2090 }
2091
2092 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2093 hdata->regs = devm_ioremap_resource(dev, res);
2094 if (IS_ERR(hdata->regs))
2095 return PTR_ERR(hdata->regs);
2096
2097 ret = devm_gpio_request(dev, hdata->hpd_gpio, "HPD");
2098 if (ret) {
2099 DRM_ERROR("failed to request HPD gpio\n");
2100 return ret;
2101 }
2102
2103 /* DDC i2c driver */
2104 ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
2105 if (!ddc_node) {
2106 DRM_ERROR("Failed to find ddc node in device tree\n");
2107 return -ENODEV;
2108 }
2109 hdata->ddc_adpt = of_find_i2c_adapter_by_node(ddc_node);
2110 if (!hdata->ddc_adpt) {
2111 DRM_ERROR("Failed to get ddc i2c adapter by node\n");
2112 return -ENODEV;
2113 }
2114
2115 /* Not support APB PHY yet. */
2116 if (drv_data->is_apb_phy)
2117 return -EPERM;
2118
2119 /* hdmiphy i2c driver */
2120 phy_node = of_parse_phandle(dev->of_node, "phy", 0);
2121 if (!phy_node) {
2122 DRM_ERROR("Failed to find hdmiphy node in device tree\n");
2123 ret = -ENODEV;
2124 goto err_ddc;
2125 }
2126 hdata->hdmiphy_port = of_find_i2c_device_by_node(phy_node);
2127 if (!hdata->hdmiphy_port) {
2128 DRM_ERROR("Failed to get hdmi phy i2c client from node\n");
2129 ret = -ENODEV;
2130 goto err_ddc;
2131 }
2132
2133 hdata->irq = gpio_to_irq(hdata->hpd_gpio);
2134 if (hdata->irq < 0) {
2135 DRM_ERROR("failed to get GPIO irq\n");
2136 ret = hdata->irq;
2137 goto err_hdmiphy;
2138 }
2139
2140 hdata->hpd = gpio_get_value(hdata->hpd_gpio);
2141
2142 ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
2143 hdmi_irq_thread, IRQF_TRIGGER_RISING |
2144 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
2145 "hdmi", hdata);
2146 if (ret) {
2147 DRM_ERROR("failed to register hdmi interrupt\n");
2148 goto err_hdmiphy;
2149 }
2150
2151 pm_runtime_enable(dev);
2152
2153 hdmi_display.ctx = hdata;
2154 exynos_drm_display_register(&hdmi_display);
2155
2156 return 0;
2157
2158err_hdmiphy:
2159 put_device(&hdata->hdmiphy_port->dev);
2160err_ddc:
2161 put_device(&hdata->ddc_adpt->dev);
2162 return ret;
2163}
2164
2165static int hdmi_remove(struct platform_device *pdev)
2166{
2167 struct device *dev = &pdev->dev;
2168 struct exynos_drm_display *display = get_hdmi_display(dev);
2169 struct hdmi_context *hdata = display->ctx;
2170
2171 put_device(&hdata->hdmiphy_port->dev);
2172 put_device(&hdata->ddc_adpt->dev);
2173 pm_runtime_disable(&pdev->dev);
2174
2175 return 0;
2176}
2177
2178struct platform_driver hdmi_driver = {
2179 .probe = hdmi_probe,
2180 .remove = hdmi_remove,
2181 .driver = {
2182 .name = "exynos-hdmi",
2183 .owner = THIS_MODULE,
2184 .of_match_table = hdmi_match_types,
2185 },
2186};