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drm: add register and unregister functions for connectors
[deliverable/linux.git] / drivers / gpu / drm / exynos / exynos_hdmi.c
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/of_address.h>
37 #include <linux/of_gpio.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 #include "exynos_mixer.h"
48
49 #include <linux/gpio.h>
50 #include <media/s5p_hdmi.h>
51
52 #define get_hdmi_display(dev) platform_get_drvdata(to_platform_device(dev))
53 #define ctx_from_connector(c) container_of(c, struct hdmi_context, connector)
54
55 #define HOTPLUG_DEBOUNCE_MS 1100
56
57 /* AVI header and aspect ratio */
58 #define HDMI_AVI_VERSION 0x02
59 #define HDMI_AVI_LENGTH 0x0D
60
61 /* AUI header info */
62 #define HDMI_AUI_VERSION 0x01
63 #define HDMI_AUI_LENGTH 0x0A
64 #define AVI_SAME_AS_PIC_ASPECT_RATIO 0x8
65 #define AVI_4_3_CENTER_RATIO 0x9
66 #define AVI_16_9_CENTER_RATIO 0xa
67
68 enum hdmi_type {
69 HDMI_TYPE13,
70 HDMI_TYPE14,
71 };
72
73 struct hdmi_driver_data {
74 unsigned int type;
75 const struct hdmiphy_config *phy_confs;
76 unsigned int phy_conf_count;
77 unsigned int is_apb_phy:1;
78 };
79
80 struct hdmi_resources {
81 struct clk *hdmi;
82 struct clk *sclk_hdmi;
83 struct clk *sclk_pixel;
84 struct clk *sclk_hdmiphy;
85 struct clk *mout_hdmi;
86 struct regulator_bulk_data *regul_bulk;
87 int regul_count;
88 };
89
90 struct hdmi_tg_regs {
91 u8 cmd[1];
92 u8 h_fsz[2];
93 u8 hact_st[2];
94 u8 hact_sz[2];
95 u8 v_fsz[2];
96 u8 vsync[2];
97 u8 vsync2[2];
98 u8 vact_st[2];
99 u8 vact_sz[2];
100 u8 field_chg[2];
101 u8 vact_st2[2];
102 u8 vact_st3[2];
103 u8 vact_st4[2];
104 u8 vsync_top_hdmi[2];
105 u8 vsync_bot_hdmi[2];
106 u8 field_top_hdmi[2];
107 u8 field_bot_hdmi[2];
108 u8 tg_3d[1];
109 };
110
111 struct hdmi_v13_core_regs {
112 u8 h_blank[2];
113 u8 v_blank[3];
114 u8 h_v_line[3];
115 u8 vsync_pol[1];
116 u8 int_pro_mode[1];
117 u8 v_blank_f[3];
118 u8 h_sync_gen[3];
119 u8 v_sync_gen1[3];
120 u8 v_sync_gen2[3];
121 u8 v_sync_gen3[3];
122 };
123
124 struct hdmi_v14_core_regs {
125 u8 h_blank[2];
126 u8 v2_blank[2];
127 u8 v1_blank[2];
128 u8 v_line[2];
129 u8 h_line[2];
130 u8 hsync_pol[1];
131 u8 vsync_pol[1];
132 u8 int_pro_mode[1];
133 u8 v_blank_f0[2];
134 u8 v_blank_f1[2];
135 u8 h_sync_start[2];
136 u8 h_sync_end[2];
137 u8 v_sync_line_bef_2[2];
138 u8 v_sync_line_bef_1[2];
139 u8 v_sync_line_aft_2[2];
140 u8 v_sync_line_aft_1[2];
141 u8 v_sync_line_aft_pxl_2[2];
142 u8 v_sync_line_aft_pxl_1[2];
143 u8 v_blank_f2[2]; /* for 3D mode */
144 u8 v_blank_f3[2]; /* for 3D mode */
145 u8 v_blank_f4[2]; /* for 3D mode */
146 u8 v_blank_f5[2]; /* for 3D mode */
147 u8 v_sync_line_aft_3[2];
148 u8 v_sync_line_aft_4[2];
149 u8 v_sync_line_aft_5[2];
150 u8 v_sync_line_aft_6[2];
151 u8 v_sync_line_aft_pxl_3[2];
152 u8 v_sync_line_aft_pxl_4[2];
153 u8 v_sync_line_aft_pxl_5[2];
154 u8 v_sync_line_aft_pxl_6[2];
155 u8 vact_space_1[2];
156 u8 vact_space_2[2];
157 u8 vact_space_3[2];
158 u8 vact_space_4[2];
159 u8 vact_space_5[2];
160 u8 vact_space_6[2];
161 };
162
163 struct hdmi_v13_conf {
164 struct hdmi_v13_core_regs core;
165 struct hdmi_tg_regs tg;
166 };
167
168 struct hdmi_v14_conf {
169 struct hdmi_v14_core_regs core;
170 struct hdmi_tg_regs tg;
171 };
172
173 struct hdmi_conf_regs {
174 int pixel_clock;
175 int cea_video_id;
176 enum hdmi_picture_aspect aspect_ratio;
177 union {
178 struct hdmi_v13_conf v13_conf;
179 struct hdmi_v14_conf v14_conf;
180 } conf;
181 };
182
183 struct hdmi_context {
184 struct device *dev;
185 struct drm_device *drm_dev;
186 struct drm_connector connector;
187 struct drm_encoder *encoder;
188 bool hpd;
189 bool powered;
190 bool dvi_mode;
191 struct mutex hdmi_mutex;
192
193 void __iomem *regs;
194 int irq;
195 struct delayed_work hotplug_work;
196
197 struct i2c_adapter *ddc_adpt;
198 struct i2c_client *hdmiphy_port;
199
200 /* current hdmiphy conf regs */
201 struct drm_display_mode current_mode;
202 struct hdmi_conf_regs mode_conf;
203
204 struct hdmi_resources res;
205
206 int hpd_gpio;
207 void __iomem *regs_hdmiphy;
208 const struct hdmiphy_config *phy_confs;
209 unsigned int phy_conf_count;
210
211 struct regmap *pmureg;
212 enum hdmi_type type;
213 };
214
215 struct hdmiphy_config {
216 int pixel_clock;
217 u8 conf[32];
218 };
219
220 /* list of phy config settings */
221 static const struct hdmiphy_config hdmiphy_v13_configs[] = {
222 {
223 .pixel_clock = 27000000,
224 .conf = {
225 0x01, 0x05, 0x00, 0xD8, 0x10, 0x1C, 0x30, 0x40,
226 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
227 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
228 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00,
229 },
230 },
231 {
232 .pixel_clock = 27027000,
233 .conf = {
234 0x01, 0x05, 0x00, 0xD4, 0x10, 0x9C, 0x09, 0x64,
235 0x6B, 0x10, 0x02, 0x51, 0xDF, 0xF2, 0x54, 0x87,
236 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
237 0x22, 0x40, 0xE3, 0x26, 0x00, 0x00, 0x00, 0x00,
238 },
239 },
240 {
241 .pixel_clock = 74176000,
242 .conf = {
243 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xef, 0x5B,
244 0x6D, 0x10, 0x01, 0x51, 0xef, 0xF3, 0x54, 0xb9,
245 0x84, 0x00, 0x30, 0x38, 0x00, 0x08, 0x10, 0xE0,
246 0x22, 0x40, 0xa5, 0x26, 0x01, 0x00, 0x00, 0x00,
247 },
248 },
249 {
250 .pixel_clock = 74250000,
251 .conf = {
252 0x01, 0x05, 0x00, 0xd8, 0x10, 0x9c, 0xf8, 0x40,
253 0x6a, 0x10, 0x01, 0x51, 0xff, 0xf1, 0x54, 0xba,
254 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xe0,
255 0x22, 0x40, 0xa4, 0x26, 0x01, 0x00, 0x00, 0x00,
256 },
257 },
258 {
259 .pixel_clock = 148500000,
260 .conf = {
261 0x01, 0x05, 0x00, 0xD8, 0x10, 0x9C, 0xf8, 0x40,
262 0x6A, 0x18, 0x00, 0x51, 0xff, 0xF1, 0x54, 0xba,
263 0x84, 0x00, 0x10, 0x38, 0x00, 0x08, 0x10, 0xE0,
264 0x22, 0x40, 0xa4, 0x26, 0x02, 0x00, 0x00, 0x00,
265 },
266 },
267 };
268
269 static const struct hdmiphy_config hdmiphy_v14_configs[] = {
270 {
271 .pixel_clock = 25200000,
272 .conf = {
273 0x01, 0x51, 0x2A, 0x75, 0x40, 0x01, 0x00, 0x08,
274 0x82, 0x80, 0xfc, 0xd8, 0x45, 0xa0, 0xac, 0x80,
275 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
276 0x54, 0xf4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
277 },
278 },
279 {
280 .pixel_clock = 27000000,
281 .conf = {
282 0x01, 0xd1, 0x22, 0x51, 0x40, 0x08, 0xfc, 0x20,
283 0x98, 0xa0, 0xcb, 0xd8, 0x45, 0xa0, 0xac, 0x80,
284 0x06, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
285 0x54, 0xe4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
286 },
287 },
288 {
289 .pixel_clock = 27027000,
290 .conf = {
291 0x01, 0xd1, 0x2d, 0x72, 0x40, 0x64, 0x12, 0x08,
292 0x43, 0xa0, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
293 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
294 0x54, 0xe3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x00,
295 },
296 },
297 {
298 .pixel_clock = 36000000,
299 .conf = {
300 0x01, 0x51, 0x2d, 0x55, 0x40, 0x01, 0x00, 0x08,
301 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
302 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
303 0x54, 0xab, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
304 },
305 },
306 {
307 .pixel_clock = 40000000,
308 .conf = {
309 0x01, 0x51, 0x32, 0x55, 0x40, 0x01, 0x00, 0x08,
310 0x82, 0x80, 0x2c, 0xd9, 0x45, 0xa0, 0xac, 0x80,
311 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
312 0x54, 0x9a, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
313 },
314 },
315 {
316 .pixel_clock = 65000000,
317 .conf = {
318 0x01, 0xd1, 0x36, 0x34, 0x40, 0x1e, 0x0a, 0x08,
319 0x82, 0xa0, 0x45, 0xd9, 0x45, 0xa0, 0xac, 0x80,
320 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
321 0x54, 0xbd, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
322 },
323 },
324 {
325 .pixel_clock = 71000000,
326 .conf = {
327 0x01, 0xd1, 0x3b, 0x35, 0x40, 0x0c, 0x04, 0x08,
328 0x85, 0xa0, 0x63, 0xd9, 0x45, 0xa0, 0xac, 0x80,
329 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
330 0x54, 0xad, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
331 },
332 },
333 {
334 .pixel_clock = 73250000,
335 .conf = {
336 0x01, 0xd1, 0x3d, 0x35, 0x40, 0x18, 0x02, 0x08,
337 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
338 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
339 0x54, 0xa8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
340 },
341 },
342 {
343 .pixel_clock = 74176000,
344 .conf = {
345 0x01, 0xd1, 0x3e, 0x35, 0x40, 0x5b, 0xde, 0x08,
346 0x82, 0xa0, 0x73, 0xd9, 0x45, 0xa0, 0xac, 0x80,
347 0x56, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
348 0x54, 0xa6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
349 },
350 },
351 {
352 .pixel_clock = 74250000,
353 .conf = {
354 0x01, 0xd1, 0x1f, 0x10, 0x40, 0x40, 0xf8, 0x08,
355 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
356 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
357 0x54, 0xa5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x00,
358 },
359 },
360 {
361 .pixel_clock = 83500000,
362 .conf = {
363 0x01, 0xd1, 0x23, 0x11, 0x40, 0x0c, 0xfb, 0x08,
364 0x85, 0xa0, 0xd1, 0xd8, 0x45, 0xa0, 0xac, 0x80,
365 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
366 0x54, 0x93, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
367 },
368 },
369 {
370 .pixel_clock = 106500000,
371 .conf = {
372 0x01, 0xd1, 0x2c, 0x12, 0x40, 0x0c, 0x09, 0x08,
373 0x84, 0xa0, 0x0a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
374 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
375 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
376 },
377 },
378 {
379 .pixel_clock = 108000000,
380 .conf = {
381 0x01, 0x51, 0x2d, 0x15, 0x40, 0x01, 0x00, 0x08,
382 0x82, 0x80, 0x0e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
383 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
384 0x54, 0xc7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
385 },
386 },
387 {
388 .pixel_clock = 115500000,
389 .conf = {
390 0x01, 0xd1, 0x30, 0x12, 0x40, 0x40, 0x10, 0x08,
391 0x80, 0x80, 0x21, 0xd9, 0x45, 0xa0, 0xac, 0x80,
392 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
393 0x54, 0xaa, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
394 },
395 },
396 {
397 .pixel_clock = 119000000,
398 .conf = {
399 0x01, 0xd1, 0x32, 0x1a, 0x40, 0x30, 0xd8, 0x08,
400 0x04, 0xa0, 0x2a, 0xd9, 0x45, 0xa0, 0xac, 0x80,
401 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
402 0x54, 0x9d, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
403 },
404 },
405 {
406 .pixel_clock = 146250000,
407 .conf = {
408 0x01, 0xd1, 0x3d, 0x15, 0x40, 0x18, 0xfd, 0x08,
409 0x83, 0xa0, 0x6e, 0xd9, 0x45, 0xa0, 0xac, 0x80,
410 0x08, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
411 0x54, 0x50, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
412 },
413 },
414 {
415 .pixel_clock = 148500000,
416 .conf = {
417 0x01, 0xd1, 0x1f, 0x00, 0x40, 0x40, 0xf8, 0x08,
418 0x81, 0xa0, 0xba, 0xd8, 0x45, 0xa0, 0xac, 0x80,
419 0x3c, 0x80, 0x11, 0x04, 0x02, 0x22, 0x44, 0x86,
420 0x54, 0x4b, 0x25, 0x03, 0x00, 0x00, 0x01, 0x00,
421 },
422 },
423 };
424
425 static const struct hdmiphy_config hdmiphy_5420_configs[] = {
426 {
427 .pixel_clock = 25200000,
428 .conf = {
429 0x01, 0x52, 0x3F, 0x55, 0x40, 0x01, 0x00, 0xC8,
430 0x82, 0xC8, 0xBD, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
431 0x06, 0x80, 0x01, 0x84, 0x05, 0x02, 0x24, 0x66,
432 0x54, 0xF4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
433 },
434 },
435 {
436 .pixel_clock = 27000000,
437 .conf = {
438 0x01, 0xD1, 0x22, 0x51, 0x40, 0x08, 0xFC, 0xE0,
439 0x98, 0xE8, 0xCB, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
440 0x06, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
441 0x54, 0xE4, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
442 },
443 },
444 {
445 .pixel_clock = 27027000,
446 .conf = {
447 0x01, 0xD1, 0x2D, 0x72, 0x40, 0x64, 0x12, 0xC8,
448 0x43, 0xE8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
449 0x26, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
450 0x54, 0xE3, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
451 },
452 },
453 {
454 .pixel_clock = 36000000,
455 .conf = {
456 0x01, 0x51, 0x2D, 0x55, 0x40, 0x40, 0x00, 0xC8,
457 0x02, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
458 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
459 0x54, 0xAB, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
460 },
461 },
462 {
463 .pixel_clock = 40000000,
464 .conf = {
465 0x01, 0xD1, 0x21, 0x31, 0x40, 0x3C, 0x28, 0xC8,
466 0x87, 0xE8, 0xC8, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
467 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
468 0x54, 0x9A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
469 },
470 },
471 {
472 .pixel_clock = 65000000,
473 .conf = {
474 0x01, 0xD1, 0x36, 0x34, 0x40, 0x0C, 0x04, 0xC8,
475 0x82, 0xE8, 0x45, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
476 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
477 0x54, 0xBD, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
478 },
479 },
480 {
481 .pixel_clock = 71000000,
482 .conf = {
483 0x01, 0xD1, 0x3B, 0x35, 0x40, 0x0C, 0x04, 0xC8,
484 0x85, 0xE8, 0x63, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
485 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
486 0x54, 0x57, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
487 },
488 },
489 {
490 .pixel_clock = 73250000,
491 .conf = {
492 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x78, 0x8D, 0xC8,
493 0x81, 0xE8, 0xB7, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
494 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
495 0x54, 0xA8, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
496 },
497 },
498 {
499 .pixel_clock = 74176000,
500 .conf = {
501 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x5B, 0xEF, 0xC8,
502 0x81, 0xE8, 0xB9, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
503 0x56, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
504 0x54, 0xA6, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
505 },
506 },
507 {
508 .pixel_clock = 74250000,
509 .conf = {
510 0x01, 0xD1, 0x1F, 0x10, 0x40, 0x40, 0xF8, 0x08,
511 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
512 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
513 0x54, 0xA5, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
514 },
515 },
516 {
517 .pixel_clock = 83500000,
518 .conf = {
519 0x01, 0xD1, 0x23, 0x11, 0x40, 0x0C, 0xFB, 0xC8,
520 0x85, 0xE8, 0xD1, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
521 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
522 0x54, 0x4A, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
523 },
524 },
525 {
526 .pixel_clock = 88750000,
527 .conf = {
528 0x01, 0xD1, 0x25, 0x11, 0x40, 0x18, 0xFF, 0xC8,
529 0x83, 0xE8, 0xDE, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
530 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
531 0x54, 0x45, 0x24, 0x00, 0x00, 0x00, 0x01, 0x80,
532 },
533 },
534 {
535 .pixel_clock = 106500000,
536 .conf = {
537 0x01, 0xD1, 0x2C, 0x12, 0x40, 0x0C, 0x09, 0xC8,
538 0x84, 0xE8, 0x0A, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
539 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
540 0x54, 0x73, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
541 },
542 },
543 {
544 .pixel_clock = 108000000,
545 .conf = {
546 0x01, 0x51, 0x2D, 0x15, 0x40, 0x01, 0x00, 0xC8,
547 0x82, 0xC8, 0x0E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
548 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
549 0x54, 0xC7, 0x25, 0x03, 0x00, 0x00, 0x01, 0x80,
550 },
551 },
552 {
553 .pixel_clock = 115500000,
554 .conf = {
555 0x01, 0xD1, 0x30, 0x14, 0x40, 0x0C, 0x03, 0xC8,
556 0x88, 0xE8, 0x21, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
557 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
558 0x54, 0x6A, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
559 },
560 },
561 {
562 .pixel_clock = 146250000,
563 .conf = {
564 0x01, 0xD1, 0x3D, 0x15, 0x40, 0x18, 0xFD, 0xC8,
565 0x83, 0xE8, 0x6E, 0xD9, 0x45, 0xA0, 0xAC, 0x80,
566 0x08, 0x80, 0x09, 0x84, 0x05, 0x02, 0x24, 0x66,
567 0x54, 0x54, 0x24, 0x01, 0x00, 0x00, 0x01, 0x80,
568 },
569 },
570 {
571 .pixel_clock = 148500000,
572 .conf = {
573 0x01, 0xD1, 0x1F, 0x00, 0x40, 0x40, 0xF8, 0x08,
574 0x81, 0xE8, 0xBA, 0xD8, 0x45, 0xA0, 0xAC, 0x80,
575 0x26, 0x80, 0x09, 0x84, 0x05, 0x22, 0x24, 0x66,
576 0x54, 0x4B, 0x25, 0x03, 0x00, 0x80, 0x01, 0x80,
577 },
578 },
579 };
580
581 static struct hdmi_driver_data exynos5420_hdmi_driver_data = {
582 .type = HDMI_TYPE14,
583 .phy_confs = hdmiphy_5420_configs,
584 .phy_conf_count = ARRAY_SIZE(hdmiphy_5420_configs),
585 .is_apb_phy = 1,
586 };
587
588 static struct hdmi_driver_data exynos4212_hdmi_driver_data = {
589 .type = HDMI_TYPE14,
590 .phy_confs = hdmiphy_v14_configs,
591 .phy_conf_count = ARRAY_SIZE(hdmiphy_v14_configs),
592 .is_apb_phy = 0,
593 };
594
595 static struct hdmi_driver_data exynos5_hdmi_driver_data = {
596 .type = HDMI_TYPE14,
597 .phy_confs = hdmiphy_v13_configs,
598 .phy_conf_count = ARRAY_SIZE(hdmiphy_v13_configs),
599 .is_apb_phy = 0,
600 };
601
602 static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id)
603 {
604 return readl(hdata->regs + reg_id);
605 }
606
607 static inline void hdmi_reg_writeb(struct hdmi_context *hdata,
608 u32 reg_id, u8 value)
609 {
610 writeb(value, hdata->regs + reg_id);
611 }
612
613 static inline void hdmi_reg_writemask(struct hdmi_context *hdata,
614 u32 reg_id, u32 value, u32 mask)
615 {
616 u32 old = readl(hdata->regs + reg_id);
617 value = (value & mask) | (old & ~mask);
618 writel(value, hdata->regs + reg_id);
619 }
620
621 static int hdmiphy_reg_writeb(struct hdmi_context *hdata,
622 u32 reg_offset, u8 value)
623 {
624 if (hdata->hdmiphy_port) {
625 u8 buffer[2];
626 int ret;
627
628 buffer[0] = reg_offset;
629 buffer[1] = value;
630
631 ret = i2c_master_send(hdata->hdmiphy_port, buffer, 2);
632 if (ret == 2)
633 return 0;
634 return ret;
635 } else {
636 writeb(value, hdata->regs_hdmiphy + (reg_offset<<2));
637 return 0;
638 }
639 }
640
641 static int hdmiphy_reg_write_buf(struct hdmi_context *hdata,
642 u32 reg_offset, const u8 *buf, u32 len)
643 {
644 if ((reg_offset + len) > 32)
645 return -EINVAL;
646
647 if (hdata->hdmiphy_port) {
648 int ret;
649
650 ret = i2c_master_send(hdata->hdmiphy_port, buf, len);
651 if (ret == len)
652 return 0;
653 return ret;
654 } else {
655 int i;
656 for (i = 0; i < len; i++)
657 writeb(buf[i], hdata->regs_hdmiphy +
658 ((reg_offset + i)<<2));
659 return 0;
660 }
661 }
662
663 static void hdmi_v13_regs_dump(struct hdmi_context *hdata, char *prefix)
664 {
665 #define DUMPREG(reg_id) \
666 DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \
667 readl(hdata->regs + reg_id))
668 DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix);
669 DUMPREG(HDMI_INTC_FLAG);
670 DUMPREG(HDMI_INTC_CON);
671 DUMPREG(HDMI_HPD_STATUS);
672 DUMPREG(HDMI_V13_PHY_RSTOUT);
673 DUMPREG(HDMI_V13_PHY_VPLL);
674 DUMPREG(HDMI_V13_PHY_CMU);
675 DUMPREG(HDMI_V13_CORE_RSTOUT);
676
677 DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix);
678 DUMPREG(HDMI_CON_0);
679 DUMPREG(HDMI_CON_1);
680 DUMPREG(HDMI_CON_2);
681 DUMPREG(HDMI_SYS_STATUS);
682 DUMPREG(HDMI_V13_PHY_STATUS);
683 DUMPREG(HDMI_STATUS_EN);
684 DUMPREG(HDMI_HPD);
685 DUMPREG(HDMI_MODE_SEL);
686 DUMPREG(HDMI_V13_HPD_GEN);
687 DUMPREG(HDMI_V13_DC_CONTROL);
688 DUMPREG(HDMI_V13_VIDEO_PATTERN_GEN);
689
690 DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix);
691 DUMPREG(HDMI_H_BLANK_0);
692 DUMPREG(HDMI_H_BLANK_1);
693 DUMPREG(HDMI_V13_V_BLANK_0);
694 DUMPREG(HDMI_V13_V_BLANK_1);
695 DUMPREG(HDMI_V13_V_BLANK_2);
696 DUMPREG(HDMI_V13_H_V_LINE_0);
697 DUMPREG(HDMI_V13_H_V_LINE_1);
698 DUMPREG(HDMI_V13_H_V_LINE_2);
699 DUMPREG(HDMI_VSYNC_POL);
700 DUMPREG(HDMI_INT_PRO_MODE);
701 DUMPREG(HDMI_V13_V_BLANK_F_0);
702 DUMPREG(HDMI_V13_V_BLANK_F_1);
703 DUMPREG(HDMI_V13_V_BLANK_F_2);
704 DUMPREG(HDMI_V13_H_SYNC_GEN_0);
705 DUMPREG(HDMI_V13_H_SYNC_GEN_1);
706 DUMPREG(HDMI_V13_H_SYNC_GEN_2);
707 DUMPREG(HDMI_V13_V_SYNC_GEN_1_0);
708 DUMPREG(HDMI_V13_V_SYNC_GEN_1_1);
709 DUMPREG(HDMI_V13_V_SYNC_GEN_1_2);
710 DUMPREG(HDMI_V13_V_SYNC_GEN_2_0);
711 DUMPREG(HDMI_V13_V_SYNC_GEN_2_1);
712 DUMPREG(HDMI_V13_V_SYNC_GEN_2_2);
713 DUMPREG(HDMI_V13_V_SYNC_GEN_3_0);
714 DUMPREG(HDMI_V13_V_SYNC_GEN_3_1);
715 DUMPREG(HDMI_V13_V_SYNC_GEN_3_2);
716
717 DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix);
718 DUMPREG(HDMI_TG_CMD);
719 DUMPREG(HDMI_TG_H_FSZ_L);
720 DUMPREG(HDMI_TG_H_FSZ_H);
721 DUMPREG(HDMI_TG_HACT_ST_L);
722 DUMPREG(HDMI_TG_HACT_ST_H);
723 DUMPREG(HDMI_TG_HACT_SZ_L);
724 DUMPREG(HDMI_TG_HACT_SZ_H);
725 DUMPREG(HDMI_TG_V_FSZ_L);
726 DUMPREG(HDMI_TG_V_FSZ_H);
727 DUMPREG(HDMI_TG_VSYNC_L);
728 DUMPREG(HDMI_TG_VSYNC_H);
729 DUMPREG(HDMI_TG_VSYNC2_L);
730 DUMPREG(HDMI_TG_VSYNC2_H);
731 DUMPREG(HDMI_TG_VACT_ST_L);
732 DUMPREG(HDMI_TG_VACT_ST_H);
733 DUMPREG(HDMI_TG_VACT_SZ_L);
734 DUMPREG(HDMI_TG_VACT_SZ_H);
735 DUMPREG(HDMI_TG_FIELD_CHG_L);
736 DUMPREG(HDMI_TG_FIELD_CHG_H);
737 DUMPREG(HDMI_TG_VACT_ST2_L);
738 DUMPREG(HDMI_TG_VACT_ST2_H);
739 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
740 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
741 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
742 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
743 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
744 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
745 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
746 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
747 #undef DUMPREG
748 }
749
750 static void hdmi_v14_regs_dump(struct hdmi_context *hdata, char *prefix)
751 {
752 int i;
753
754 #define DUMPREG(reg_id) \
755 DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \
756 readl(hdata->regs + reg_id))
757
758 DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix);
759 DUMPREG(HDMI_INTC_CON);
760 DUMPREG(HDMI_INTC_FLAG);
761 DUMPREG(HDMI_HPD_STATUS);
762 DUMPREG(HDMI_INTC_CON_1);
763 DUMPREG(HDMI_INTC_FLAG_1);
764 DUMPREG(HDMI_PHY_STATUS_0);
765 DUMPREG(HDMI_PHY_STATUS_PLL);
766 DUMPREG(HDMI_PHY_CON_0);
767 DUMPREG(HDMI_PHY_RSTOUT);
768 DUMPREG(HDMI_PHY_VPLL);
769 DUMPREG(HDMI_PHY_CMU);
770 DUMPREG(HDMI_CORE_RSTOUT);
771
772 DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix);
773 DUMPREG(HDMI_CON_0);
774 DUMPREG(HDMI_CON_1);
775 DUMPREG(HDMI_CON_2);
776 DUMPREG(HDMI_SYS_STATUS);
777 DUMPREG(HDMI_PHY_STATUS_0);
778 DUMPREG(HDMI_STATUS_EN);
779 DUMPREG(HDMI_HPD);
780 DUMPREG(HDMI_MODE_SEL);
781 DUMPREG(HDMI_ENC_EN);
782 DUMPREG(HDMI_DC_CONTROL);
783 DUMPREG(HDMI_VIDEO_PATTERN_GEN);
784
785 DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix);
786 DUMPREG(HDMI_H_BLANK_0);
787 DUMPREG(HDMI_H_BLANK_1);
788 DUMPREG(HDMI_V2_BLANK_0);
789 DUMPREG(HDMI_V2_BLANK_1);
790 DUMPREG(HDMI_V1_BLANK_0);
791 DUMPREG(HDMI_V1_BLANK_1);
792 DUMPREG(HDMI_V_LINE_0);
793 DUMPREG(HDMI_V_LINE_1);
794 DUMPREG(HDMI_H_LINE_0);
795 DUMPREG(HDMI_H_LINE_1);
796 DUMPREG(HDMI_HSYNC_POL);
797
798 DUMPREG(HDMI_VSYNC_POL);
799 DUMPREG(HDMI_INT_PRO_MODE);
800 DUMPREG(HDMI_V_BLANK_F0_0);
801 DUMPREG(HDMI_V_BLANK_F0_1);
802 DUMPREG(HDMI_V_BLANK_F1_0);
803 DUMPREG(HDMI_V_BLANK_F1_1);
804
805 DUMPREG(HDMI_H_SYNC_START_0);
806 DUMPREG(HDMI_H_SYNC_START_1);
807 DUMPREG(HDMI_H_SYNC_END_0);
808 DUMPREG(HDMI_H_SYNC_END_1);
809
810 DUMPREG(HDMI_V_SYNC_LINE_BEF_2_0);
811 DUMPREG(HDMI_V_SYNC_LINE_BEF_2_1);
812 DUMPREG(HDMI_V_SYNC_LINE_BEF_1_0);
813 DUMPREG(HDMI_V_SYNC_LINE_BEF_1_1);
814
815 DUMPREG(HDMI_V_SYNC_LINE_AFT_2_0);
816 DUMPREG(HDMI_V_SYNC_LINE_AFT_2_1);
817 DUMPREG(HDMI_V_SYNC_LINE_AFT_1_0);
818 DUMPREG(HDMI_V_SYNC_LINE_AFT_1_1);
819
820 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_0);
821 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_1);
822 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_0);
823 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_1);
824
825 DUMPREG(HDMI_V_BLANK_F2_0);
826 DUMPREG(HDMI_V_BLANK_F2_1);
827 DUMPREG(HDMI_V_BLANK_F3_0);
828 DUMPREG(HDMI_V_BLANK_F3_1);
829 DUMPREG(HDMI_V_BLANK_F4_0);
830 DUMPREG(HDMI_V_BLANK_F4_1);
831 DUMPREG(HDMI_V_BLANK_F5_0);
832 DUMPREG(HDMI_V_BLANK_F5_1);
833
834 DUMPREG(HDMI_V_SYNC_LINE_AFT_3_0);
835 DUMPREG(HDMI_V_SYNC_LINE_AFT_3_1);
836 DUMPREG(HDMI_V_SYNC_LINE_AFT_4_0);
837 DUMPREG(HDMI_V_SYNC_LINE_AFT_4_1);
838 DUMPREG(HDMI_V_SYNC_LINE_AFT_5_0);
839 DUMPREG(HDMI_V_SYNC_LINE_AFT_5_1);
840 DUMPREG(HDMI_V_SYNC_LINE_AFT_6_0);
841 DUMPREG(HDMI_V_SYNC_LINE_AFT_6_1);
842
843 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_0);
844 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_1);
845 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_0);
846 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_1);
847 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_0);
848 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_1);
849 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_0);
850 DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_1);
851
852 DUMPREG(HDMI_VACT_SPACE_1_0);
853 DUMPREG(HDMI_VACT_SPACE_1_1);
854 DUMPREG(HDMI_VACT_SPACE_2_0);
855 DUMPREG(HDMI_VACT_SPACE_2_1);
856 DUMPREG(HDMI_VACT_SPACE_3_0);
857 DUMPREG(HDMI_VACT_SPACE_3_1);
858 DUMPREG(HDMI_VACT_SPACE_4_0);
859 DUMPREG(HDMI_VACT_SPACE_4_1);
860 DUMPREG(HDMI_VACT_SPACE_5_0);
861 DUMPREG(HDMI_VACT_SPACE_5_1);
862 DUMPREG(HDMI_VACT_SPACE_6_0);
863 DUMPREG(HDMI_VACT_SPACE_6_1);
864
865 DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix);
866 DUMPREG(HDMI_TG_CMD);
867 DUMPREG(HDMI_TG_H_FSZ_L);
868 DUMPREG(HDMI_TG_H_FSZ_H);
869 DUMPREG(HDMI_TG_HACT_ST_L);
870 DUMPREG(HDMI_TG_HACT_ST_H);
871 DUMPREG(HDMI_TG_HACT_SZ_L);
872 DUMPREG(HDMI_TG_HACT_SZ_H);
873 DUMPREG(HDMI_TG_V_FSZ_L);
874 DUMPREG(HDMI_TG_V_FSZ_H);
875 DUMPREG(HDMI_TG_VSYNC_L);
876 DUMPREG(HDMI_TG_VSYNC_H);
877 DUMPREG(HDMI_TG_VSYNC2_L);
878 DUMPREG(HDMI_TG_VSYNC2_H);
879 DUMPREG(HDMI_TG_VACT_ST_L);
880 DUMPREG(HDMI_TG_VACT_ST_H);
881 DUMPREG(HDMI_TG_VACT_SZ_L);
882 DUMPREG(HDMI_TG_VACT_SZ_H);
883 DUMPREG(HDMI_TG_FIELD_CHG_L);
884 DUMPREG(HDMI_TG_FIELD_CHG_H);
885 DUMPREG(HDMI_TG_VACT_ST2_L);
886 DUMPREG(HDMI_TG_VACT_ST2_H);
887 DUMPREG(HDMI_TG_VACT_ST3_L);
888 DUMPREG(HDMI_TG_VACT_ST3_H);
889 DUMPREG(HDMI_TG_VACT_ST4_L);
890 DUMPREG(HDMI_TG_VACT_ST4_H);
891 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
892 DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
893 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
894 DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
895 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
896 DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
897 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
898 DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
899 DUMPREG(HDMI_TG_3D);
900
901 DRM_DEBUG_KMS("%s: ---- PACKET REGISTERS ----\n", prefix);
902 DUMPREG(HDMI_AVI_CON);
903 DUMPREG(HDMI_AVI_HEADER0);
904 DUMPREG(HDMI_AVI_HEADER1);
905 DUMPREG(HDMI_AVI_HEADER2);
906 DUMPREG(HDMI_AVI_CHECK_SUM);
907 DUMPREG(HDMI_VSI_CON);
908 DUMPREG(HDMI_VSI_HEADER0);
909 DUMPREG(HDMI_VSI_HEADER1);
910 DUMPREG(HDMI_VSI_HEADER2);
911 for (i = 0; i < 7; ++i)
912 DUMPREG(HDMI_VSI_DATA(i));
913
914 #undef DUMPREG
915 }
916
917 static void hdmi_regs_dump(struct hdmi_context *hdata, char *prefix)
918 {
919 if (hdata->type == HDMI_TYPE13)
920 hdmi_v13_regs_dump(hdata, prefix);
921 else
922 hdmi_v14_regs_dump(hdata, prefix);
923 }
924
925 static u8 hdmi_chksum(struct hdmi_context *hdata,
926 u32 start, u8 len, u32 hdr_sum)
927 {
928 int i;
929
930 /* hdr_sum : header0 + header1 + header2
931 * start : start address of packet byte1
932 * len : packet bytes - 1 */
933 for (i = 0; i < len; ++i)
934 hdr_sum += 0xff & hdmi_reg_read(hdata, start + i * 4);
935
936 /* return 2's complement of 8 bit hdr_sum */
937 return (u8)(~(hdr_sum & 0xff) + 1);
938 }
939
940 static void hdmi_reg_infoframe(struct hdmi_context *hdata,
941 union hdmi_infoframe *infoframe)
942 {
943 u32 hdr_sum;
944 u8 chksum;
945 u32 mod;
946 u32 vic;
947
948 mod = hdmi_reg_read(hdata, HDMI_MODE_SEL);
949 if (hdata->dvi_mode) {
950 hdmi_reg_writeb(hdata, HDMI_VSI_CON,
951 HDMI_VSI_CON_DO_NOT_TRANSMIT);
952 hdmi_reg_writeb(hdata, HDMI_AVI_CON,
953 HDMI_AVI_CON_DO_NOT_TRANSMIT);
954 hdmi_reg_writeb(hdata, HDMI_AUI_CON, HDMI_AUI_CON_NO_TRAN);
955 return;
956 }
957
958 switch (infoframe->any.type) {
959 case HDMI_INFOFRAME_TYPE_AVI:
960 hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC);
961 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->any.type);
962 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1,
963 infoframe->any.version);
964 hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->any.length);
965 hdr_sum = infoframe->any.type + infoframe->any.version +
966 infoframe->any.length;
967
968 /* Output format zero hardcoded ,RGB YBCR selection */
969 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(1), 0 << 5 |
970 AVI_ACTIVE_FORMAT_VALID |
971 AVI_UNDERSCANNED_DISPLAY_VALID);
972
973 /*
974 * Set the aspect ratio as per the mode, mentioned in
975 * Table 9 AVI InfoFrame Data Byte 2 of CEA-861-D Standard
976 */
977 switch (hdata->mode_conf.aspect_ratio) {
978 case HDMI_PICTURE_ASPECT_4_3:
979 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2),
980 hdata->mode_conf.aspect_ratio |
981 AVI_4_3_CENTER_RATIO);
982 break;
983 case HDMI_PICTURE_ASPECT_16_9:
984 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2),
985 hdata->mode_conf.aspect_ratio |
986 AVI_16_9_CENTER_RATIO);
987 break;
988 case HDMI_PICTURE_ASPECT_NONE:
989 default:
990 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(2),
991 hdata->mode_conf.aspect_ratio |
992 AVI_SAME_AS_PIC_ASPECT_RATIO);
993 break;
994 }
995
996 vic = hdata->mode_conf.cea_video_id;
997 hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(4), vic);
998
999 chksum = hdmi_chksum(hdata, HDMI_AVI_BYTE(1),
1000 infoframe->any.length, hdr_sum);
1001 DRM_DEBUG_KMS("AVI checksum = 0x%x\n", chksum);
1002 hdmi_reg_writeb(hdata, HDMI_AVI_CHECK_SUM, chksum);
1003 break;
1004 case HDMI_INFOFRAME_TYPE_AUDIO:
1005 hdmi_reg_writeb(hdata, HDMI_AUI_CON, 0x02);
1006 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->any.type);
1007 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1,
1008 infoframe->any.version);
1009 hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->any.length);
1010 hdr_sum = infoframe->any.type + infoframe->any.version +
1011 infoframe->any.length;
1012 chksum = hdmi_chksum(hdata, HDMI_AUI_BYTE(1),
1013 infoframe->any.length, hdr_sum);
1014 DRM_DEBUG_KMS("AUI checksum = 0x%x\n", chksum);
1015 hdmi_reg_writeb(hdata, HDMI_AUI_CHECK_SUM, chksum);
1016 break;
1017 default:
1018 break;
1019 }
1020 }
1021
1022 static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
1023 bool force)
1024 {
1025 struct hdmi_context *hdata = ctx_from_connector(connector);
1026
1027 hdata->hpd = gpio_get_value(hdata->hpd_gpio);
1028
1029 return hdata->hpd ? connector_status_connected :
1030 connector_status_disconnected;
1031 }
1032
1033 static void hdmi_connector_destroy(struct drm_connector *connector)
1034 {
1035 }
1036
1037 static struct drm_connector_funcs hdmi_connector_funcs = {
1038 .dpms = drm_helper_connector_dpms,
1039 .fill_modes = drm_helper_probe_single_connector_modes,
1040 .detect = hdmi_detect,
1041 .destroy = hdmi_connector_destroy,
1042 };
1043
1044 static int hdmi_get_modes(struct drm_connector *connector)
1045 {
1046 struct hdmi_context *hdata = ctx_from_connector(connector);
1047 struct edid *edid;
1048
1049 if (!hdata->ddc_adpt)
1050 return -ENODEV;
1051
1052 edid = drm_get_edid(connector, hdata->ddc_adpt);
1053 if (!edid)
1054 return -ENODEV;
1055
1056 hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
1057 DRM_DEBUG_KMS("%s : width[%d] x height[%d]\n",
1058 (hdata->dvi_mode ? "dvi monitor" : "hdmi monitor"),
1059 edid->width_cm, edid->height_cm);
1060
1061 drm_mode_connector_update_edid_property(connector, edid);
1062
1063 return drm_add_edid_modes(connector, edid);
1064 }
1065
1066 static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
1067 {
1068 int i;
1069
1070 for (i = 0; i < hdata->phy_conf_count; i++)
1071 if (hdata->phy_confs[i].pixel_clock == pixel_clock)
1072 return i;
1073
1074 DRM_DEBUG_KMS("Could not find phy config for %d\n", pixel_clock);
1075 return -EINVAL;
1076 }
1077
1078 static int hdmi_mode_valid(struct drm_connector *connector,
1079 struct drm_display_mode *mode)
1080 {
1081 struct hdmi_context *hdata = ctx_from_connector(connector);
1082 int ret;
1083
1084 DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%d clock=%d\n",
1085 mode->hdisplay, mode->vdisplay, mode->vrefresh,
1086 (mode->flags & DRM_MODE_FLAG_INTERLACE) ? true :
1087 false, mode->clock * 1000);
1088
1089 ret = mixer_check_mode(mode);
1090 if (ret)
1091 return MODE_BAD;
1092
1093 ret = hdmi_find_phy_conf(hdata, mode->clock * 1000);
1094 if (ret < 0)
1095 return MODE_BAD;
1096
1097 return MODE_OK;
1098 }
1099
1100 static struct drm_encoder *hdmi_best_encoder(struct drm_connector *connector)
1101 {
1102 struct hdmi_context *hdata = ctx_from_connector(connector);
1103
1104 return hdata->encoder;
1105 }
1106
1107 static struct drm_connector_helper_funcs hdmi_connector_helper_funcs = {
1108 .get_modes = hdmi_get_modes,
1109 .mode_valid = hdmi_mode_valid,
1110 .best_encoder = hdmi_best_encoder,
1111 };
1112
1113 static int hdmi_create_connector(struct exynos_drm_display *display,
1114 struct drm_encoder *encoder)
1115 {
1116 struct hdmi_context *hdata = display->ctx;
1117 struct drm_connector *connector = &hdata->connector;
1118 int ret;
1119
1120 hdata->encoder = encoder;
1121 connector->interlace_allowed = true;
1122 connector->polled = DRM_CONNECTOR_POLL_HPD;
1123
1124 ret = drm_connector_init(hdata->drm_dev, connector,
1125 &hdmi_connector_funcs, DRM_MODE_CONNECTOR_HDMIA);
1126 if (ret) {
1127 DRM_ERROR("Failed to initialize connector with drm\n");
1128 return ret;
1129 }
1130
1131 drm_connector_helper_add(connector, &hdmi_connector_helper_funcs);
1132 drm_connector_register(connector);
1133 drm_mode_connector_attach_encoder(connector, encoder);
1134
1135 return 0;
1136 }
1137
1138 static void hdmi_mode_fixup(struct exynos_drm_display *display,
1139 struct drm_connector *connector,
1140 const struct drm_display_mode *mode,
1141 struct drm_display_mode *adjusted_mode)
1142 {
1143 struct drm_display_mode *m;
1144 int mode_ok;
1145
1146 DRM_DEBUG_KMS("%s\n", __FILE__);
1147
1148 drm_mode_set_crtcinfo(adjusted_mode, 0);
1149
1150 mode_ok = hdmi_mode_valid(connector, adjusted_mode);
1151
1152 /* just return if user desired mode exists. */
1153 if (mode_ok == MODE_OK)
1154 return;
1155
1156 /*
1157 * otherwise, find the most suitable mode among modes and change it
1158 * to adjusted_mode.
1159 */
1160 list_for_each_entry(m, &connector->modes, head) {
1161 mode_ok = hdmi_mode_valid(connector, m);
1162
1163 if (mode_ok == MODE_OK) {
1164 DRM_INFO("desired mode doesn't exist so\n");
1165 DRM_INFO("use the most suitable mode among modes.\n");
1166
1167 DRM_DEBUG_KMS("Adjusted Mode: [%d]x[%d] [%d]Hz\n",
1168 m->hdisplay, m->vdisplay, m->vrefresh);
1169
1170 drm_mode_copy(adjusted_mode, m);
1171 break;
1172 }
1173 }
1174 }
1175
1176 static void hdmi_set_acr(u32 freq, u8 *acr)
1177 {
1178 u32 n, cts;
1179
1180 switch (freq) {
1181 case 32000:
1182 n = 4096;
1183 cts = 27000;
1184 break;
1185 case 44100:
1186 n = 6272;
1187 cts = 30000;
1188 break;
1189 case 88200:
1190 n = 12544;
1191 cts = 30000;
1192 break;
1193 case 176400:
1194 n = 25088;
1195 cts = 30000;
1196 break;
1197 case 48000:
1198 n = 6144;
1199 cts = 27000;
1200 break;
1201 case 96000:
1202 n = 12288;
1203 cts = 27000;
1204 break;
1205 case 192000:
1206 n = 24576;
1207 cts = 27000;
1208 break;
1209 default:
1210 n = 0;
1211 cts = 0;
1212 break;
1213 }
1214
1215 acr[1] = cts >> 16;
1216 acr[2] = cts >> 8 & 0xff;
1217 acr[3] = cts & 0xff;
1218
1219 acr[4] = n >> 16;
1220 acr[5] = n >> 8 & 0xff;
1221 acr[6] = n & 0xff;
1222 }
1223
1224 static void hdmi_reg_acr(struct hdmi_context *hdata, u8 *acr)
1225 {
1226 hdmi_reg_writeb(hdata, HDMI_ACR_N0, acr[6]);
1227 hdmi_reg_writeb(hdata, HDMI_ACR_N1, acr[5]);
1228 hdmi_reg_writeb(hdata, HDMI_ACR_N2, acr[4]);
1229 hdmi_reg_writeb(hdata, HDMI_ACR_MCTS0, acr[3]);
1230 hdmi_reg_writeb(hdata, HDMI_ACR_MCTS1, acr[2]);
1231 hdmi_reg_writeb(hdata, HDMI_ACR_MCTS2, acr[1]);
1232 hdmi_reg_writeb(hdata, HDMI_ACR_CTS0, acr[3]);
1233 hdmi_reg_writeb(hdata, HDMI_ACR_CTS1, acr[2]);
1234 hdmi_reg_writeb(hdata, HDMI_ACR_CTS2, acr[1]);
1235
1236 if (hdata->type == HDMI_TYPE13)
1237 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 4);
1238 else
1239 hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
1240 }
1241
1242 static void hdmi_audio_init(struct hdmi_context *hdata)
1243 {
1244 u32 sample_rate, bits_per_sample, frame_size_code;
1245 u32 data_num, bit_ch, sample_frq;
1246 u32 val;
1247 u8 acr[7];
1248
1249 sample_rate = 44100;
1250 bits_per_sample = 16;
1251 frame_size_code = 0;
1252
1253 switch (bits_per_sample) {
1254 case 20:
1255 data_num = 2;
1256 bit_ch = 1;
1257 break;
1258 case 24:
1259 data_num = 3;
1260 bit_ch = 1;
1261 break;
1262 default:
1263 data_num = 1;
1264 bit_ch = 0;
1265 break;
1266 }
1267
1268 hdmi_set_acr(sample_rate, acr);
1269 hdmi_reg_acr(hdata, acr);
1270
1271 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CON, HDMI_I2S_IN_DISABLE
1272 | HDMI_I2S_AUD_I2S | HDMI_I2S_CUV_I2S_ENABLE
1273 | HDMI_I2S_MUX_ENABLE);
1274
1275 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CH, HDMI_I2S_CH0_EN
1276 | HDMI_I2S_CH1_EN | HDMI_I2S_CH2_EN);
1277
1278 hdmi_reg_writeb(hdata, HDMI_I2S_MUX_CUV, HDMI_I2S_CUV_RL_EN);
1279
1280 sample_frq = (sample_rate == 44100) ? 0 :
1281 (sample_rate == 48000) ? 2 :
1282 (sample_rate == 32000) ? 3 :
1283 (sample_rate == 96000) ? 0xa : 0x0;
1284
1285 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_DIS);
1286 hdmi_reg_writeb(hdata, HDMI_I2S_CLK_CON, HDMI_I2S_CLK_EN);
1287
1288 val = hdmi_reg_read(hdata, HDMI_I2S_DSD_CON) | 0x01;
1289 hdmi_reg_writeb(hdata, HDMI_I2S_DSD_CON, val);
1290
1291 /* Configuration I2S input ports. Configure I2S_PIN_SEL_0~4 */
1292 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_0, HDMI_I2S_SEL_SCLK(5)
1293 | HDMI_I2S_SEL_LRCK(6));
1294 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_1, HDMI_I2S_SEL_SDATA1(1)
1295 | HDMI_I2S_SEL_SDATA2(4));
1296 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_2, HDMI_I2S_SEL_SDATA3(1)
1297 | HDMI_I2S_SEL_SDATA2(2));
1298 hdmi_reg_writeb(hdata, HDMI_I2S_PIN_SEL_3, HDMI_I2S_SEL_DSD(0));
1299
1300 /* I2S_CON_1 & 2 */
1301 hdmi_reg_writeb(hdata, HDMI_I2S_CON_1, HDMI_I2S_SCLK_FALLING_EDGE
1302 | HDMI_I2S_L_CH_LOW_POL);
1303 hdmi_reg_writeb(hdata, HDMI_I2S_CON_2, HDMI_I2S_MSB_FIRST_MODE
1304 | HDMI_I2S_SET_BIT_CH(bit_ch)
1305 | HDMI_I2S_SET_SDATA_BIT(data_num)
1306 | HDMI_I2S_BASIC_FORMAT);
1307
1308 /* Configure register related to CUV information */
1309 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_0, HDMI_I2S_CH_STATUS_MODE_0
1310 | HDMI_I2S_2AUD_CH_WITHOUT_PREEMPH
1311 | HDMI_I2S_COPYRIGHT
1312 | HDMI_I2S_LINEAR_PCM
1313 | HDMI_I2S_CONSUMER_FORMAT);
1314 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_1, HDMI_I2S_CD_PLAYER);
1315 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_2, HDMI_I2S_SET_SOURCE_NUM(0));
1316 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_3, HDMI_I2S_CLK_ACCUR_LEVEL_2
1317 | HDMI_I2S_SET_SMP_FREQ(sample_frq));
1318 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_4,
1319 HDMI_I2S_ORG_SMP_FREQ_44_1
1320 | HDMI_I2S_WORD_LEN_MAX24_24BITS
1321 | HDMI_I2S_WORD_LEN_MAX_24BITS);
1322
1323 hdmi_reg_writeb(hdata, HDMI_I2S_CH_ST_CON, HDMI_I2S_CH_STATUS_RELOAD);
1324 }
1325
1326 static void hdmi_audio_control(struct hdmi_context *hdata, bool onoff)
1327 {
1328 if (hdata->dvi_mode)
1329 return;
1330
1331 hdmi_reg_writeb(hdata, HDMI_AUI_CON, onoff ? 2 : 0);
1332 hdmi_reg_writemask(hdata, HDMI_CON_0, onoff ?
1333 HDMI_ASP_EN : HDMI_ASP_DIS, HDMI_ASP_MASK);
1334 }
1335
1336 static void hdmi_start(struct hdmi_context *hdata, bool start)
1337 {
1338 u32 val = start ? HDMI_TG_EN : 0;
1339
1340 if (hdata->current_mode.flags & DRM_MODE_FLAG_INTERLACE)
1341 val |= HDMI_FIELD_EN;
1342
1343 hdmi_reg_writemask(hdata, HDMI_CON_0, val, HDMI_EN);
1344 hdmi_reg_writemask(hdata, HDMI_TG_CMD, val, HDMI_TG_EN | HDMI_FIELD_EN);
1345 }
1346
1347 static void hdmi_conf_init(struct hdmi_context *hdata)
1348 {
1349 union hdmi_infoframe infoframe;
1350
1351 /* disable HPD interrupts from HDMI IP block, use GPIO instead */
1352 hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL |
1353 HDMI_INTC_EN_HPD_PLUG | HDMI_INTC_EN_HPD_UNPLUG);
1354
1355 /* choose HDMI mode */
1356 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1357 HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
1358 /* Apply Video preable and Guard band in HDMI mode only */
1359 hdmi_reg_writeb(hdata, HDMI_CON_2, 0);
1360 /* disable bluescreen */
1361 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
1362
1363 if (hdata->dvi_mode) {
1364 /* choose DVI mode */
1365 hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
1366 HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
1367 hdmi_reg_writeb(hdata, HDMI_CON_2,
1368 HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
1369 }
1370
1371 if (hdata->type == HDMI_TYPE13) {
1372 /* choose bluescreen (fecal) color */
1373 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
1374 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
1375 hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_2, 0x56);
1376
1377 /* enable AVI packet every vsync, fixes purple line problem */
1378 hdmi_reg_writeb(hdata, HDMI_V13_AVI_CON, 0x02);
1379 /* force RGB, look to CEA-861-D, table 7 for more detail */
1380 hdmi_reg_writeb(hdata, HDMI_V13_AVI_BYTE(0), 0 << 5);
1381 hdmi_reg_writemask(hdata, HDMI_CON_1, 0x10 << 5, 0x11 << 5);
1382
1383 hdmi_reg_writeb(hdata, HDMI_V13_SPD_CON, 0x02);
1384 hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02);
1385 hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04);
1386 } else {
1387 infoframe.any.type = HDMI_INFOFRAME_TYPE_AVI;
1388 infoframe.any.version = HDMI_AVI_VERSION;
1389 infoframe.any.length = HDMI_AVI_LENGTH;
1390 hdmi_reg_infoframe(hdata, &infoframe);
1391
1392 infoframe.any.type = HDMI_INFOFRAME_TYPE_AUDIO;
1393 infoframe.any.version = HDMI_AUI_VERSION;
1394 infoframe.any.length = HDMI_AUI_LENGTH;
1395 hdmi_reg_infoframe(hdata, &infoframe);
1396
1397 /* enable AVI packet every vsync, fixes purple line problem */
1398 hdmi_reg_writemask(hdata, HDMI_CON_1, 2, 3 << 5);
1399 }
1400 }
1401
1402 static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
1403 {
1404 const struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v13_conf.tg;
1405 const struct hdmi_v13_core_regs *core =
1406 &hdata->mode_conf.conf.v13_conf.core;
1407 int tries;
1408
1409 /* setting core registers */
1410 hdmi_reg_writeb(hdata, HDMI_H_BLANK_0, core->h_blank[0]);
1411 hdmi_reg_writeb(hdata, HDMI_H_BLANK_1, core->h_blank[1]);
1412 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_0, core->v_blank[0]);
1413 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_1, core->v_blank[1]);
1414 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_2, core->v_blank[2]);
1415 hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_0, core->h_v_line[0]);
1416 hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_1, core->h_v_line[1]);
1417 hdmi_reg_writeb(hdata, HDMI_V13_H_V_LINE_2, core->h_v_line[2]);
1418 hdmi_reg_writeb(hdata, HDMI_VSYNC_POL, core->vsync_pol[0]);
1419 hdmi_reg_writeb(hdata, HDMI_INT_PRO_MODE, core->int_pro_mode[0]);
1420 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_0, core->v_blank_f[0]);
1421 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_1, core->v_blank_f[1]);
1422 hdmi_reg_writeb(hdata, HDMI_V13_V_BLANK_F_2, core->v_blank_f[2]);
1423 hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_0, core->h_sync_gen[0]);
1424 hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_1, core->h_sync_gen[1]);
1425 hdmi_reg_writeb(hdata, HDMI_V13_H_SYNC_GEN_2, core->h_sync_gen[2]);
1426 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_0, core->v_sync_gen1[0]);
1427 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_1, core->v_sync_gen1[1]);
1428 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_1_2, core->v_sync_gen1[2]);
1429 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_0, core->v_sync_gen2[0]);
1430 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_1, core->v_sync_gen2[1]);
1431 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_2_2, core->v_sync_gen2[2]);
1432 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_0, core->v_sync_gen3[0]);
1433 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_1, core->v_sync_gen3[1]);
1434 hdmi_reg_writeb(hdata, HDMI_V13_V_SYNC_GEN_3_2, core->v_sync_gen3[2]);
1435 /* Timing generator registers */
1436 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_L, tg->h_fsz[0]);
1437 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_H, tg->h_fsz[1]);
1438 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_L, tg->hact_st[0]);
1439 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_H, tg->hact_st[1]);
1440 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_L, tg->hact_sz[0]);
1441 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_H, tg->hact_sz[1]);
1442 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_L, tg->v_fsz[0]);
1443 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_H, tg->v_fsz[1]);
1444 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_L, tg->vsync[0]);
1445 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_H, tg->vsync[1]);
1446 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_L, tg->vsync2[0]);
1447 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_H, tg->vsync2[1]);
1448 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_L, tg->vact_st[0]);
1449 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_H, tg->vact_st[1]);
1450 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_L, tg->vact_sz[0]);
1451 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_H, tg->vact_sz[1]);
1452 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_L, tg->field_chg[0]);
1453 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_H, tg->field_chg[1]);
1454 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_L, tg->vact_st2[0]);
1455 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_H, tg->vact_st2[1]);
1456 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, tg->vsync_top_hdmi[0]);
1457 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_H, tg->vsync_top_hdmi[1]);
1458 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, tg->vsync_bot_hdmi[0]);
1459 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_H, tg->vsync_bot_hdmi[1]);
1460 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_L, tg->field_top_hdmi[0]);
1461 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_H, tg->field_top_hdmi[1]);
1462 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_L, tg->field_bot_hdmi[0]);
1463 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_H, tg->field_bot_hdmi[1]);
1464
1465 /* waiting for HDMIPHY's PLL to get to steady state */
1466 for (tries = 100; tries; --tries) {
1467 u32 val = hdmi_reg_read(hdata, HDMI_V13_PHY_STATUS);
1468 if (val & HDMI_PHY_STATUS_READY)
1469 break;
1470 usleep_range(1000, 2000);
1471 }
1472 /* steady state not achieved */
1473 if (tries == 0) {
1474 DRM_ERROR("hdmiphy's pll could not reach steady state.\n");
1475 hdmi_regs_dump(hdata, "timing apply");
1476 }
1477
1478 clk_disable_unprepare(hdata->res.sclk_hdmi);
1479 clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy);
1480 clk_prepare_enable(hdata->res.sclk_hdmi);
1481
1482 /* enable HDMI and timing generator */
1483 hdmi_start(hdata, true);
1484 }
1485
1486 static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
1487 {
1488 const struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v14_conf.tg;
1489 const struct hdmi_v14_core_regs *core =
1490 &hdata->mode_conf.conf.v14_conf.core;
1491 int tries;
1492
1493 /* setting core registers */
1494 hdmi_reg_writeb(hdata, HDMI_H_BLANK_0, core->h_blank[0]);
1495 hdmi_reg_writeb(hdata, HDMI_H_BLANK_1, core->h_blank[1]);
1496 hdmi_reg_writeb(hdata, HDMI_V2_BLANK_0, core->v2_blank[0]);
1497 hdmi_reg_writeb(hdata, HDMI_V2_BLANK_1, core->v2_blank[1]);
1498 hdmi_reg_writeb(hdata, HDMI_V1_BLANK_0, core->v1_blank[0]);
1499 hdmi_reg_writeb(hdata, HDMI_V1_BLANK_1, core->v1_blank[1]);
1500 hdmi_reg_writeb(hdata, HDMI_V_LINE_0, core->v_line[0]);
1501 hdmi_reg_writeb(hdata, HDMI_V_LINE_1, core->v_line[1]);
1502 hdmi_reg_writeb(hdata, HDMI_H_LINE_0, core->h_line[0]);
1503 hdmi_reg_writeb(hdata, HDMI_H_LINE_1, core->h_line[1]);
1504 hdmi_reg_writeb(hdata, HDMI_HSYNC_POL, core->hsync_pol[0]);
1505 hdmi_reg_writeb(hdata, HDMI_VSYNC_POL, core->vsync_pol[0]);
1506 hdmi_reg_writeb(hdata, HDMI_INT_PRO_MODE, core->int_pro_mode[0]);
1507 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F0_0, core->v_blank_f0[0]);
1508 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F0_1, core->v_blank_f0[1]);
1509 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F1_0, core->v_blank_f1[0]);
1510 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F1_1, core->v_blank_f1[1]);
1511 hdmi_reg_writeb(hdata, HDMI_H_SYNC_START_0, core->h_sync_start[0]);
1512 hdmi_reg_writeb(hdata, HDMI_H_SYNC_START_1, core->h_sync_start[1]);
1513 hdmi_reg_writeb(hdata, HDMI_H_SYNC_END_0, core->h_sync_end[0]);
1514 hdmi_reg_writeb(hdata, HDMI_H_SYNC_END_1, core->h_sync_end[1]);
1515 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_2_0,
1516 core->v_sync_line_bef_2[0]);
1517 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_2_1,
1518 core->v_sync_line_bef_2[1]);
1519 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_1_0,
1520 core->v_sync_line_bef_1[0]);
1521 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_BEF_1_1,
1522 core->v_sync_line_bef_1[1]);
1523 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_2_0,
1524 core->v_sync_line_aft_2[0]);
1525 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_2_1,
1526 core->v_sync_line_aft_2[1]);
1527 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_1_0,
1528 core->v_sync_line_aft_1[0]);
1529 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_1_1,
1530 core->v_sync_line_aft_1[1]);
1531 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_0,
1532 core->v_sync_line_aft_pxl_2[0]);
1533 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_2_1,
1534 core->v_sync_line_aft_pxl_2[1]);
1535 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_0,
1536 core->v_sync_line_aft_pxl_1[0]);
1537 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_1_1,
1538 core->v_sync_line_aft_pxl_1[1]);
1539 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F2_0, core->v_blank_f2[0]);
1540 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F2_1, core->v_blank_f2[1]);
1541 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F3_0, core->v_blank_f3[0]);
1542 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F3_1, core->v_blank_f3[1]);
1543 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F4_0, core->v_blank_f4[0]);
1544 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F4_1, core->v_blank_f4[1]);
1545 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F5_0, core->v_blank_f5[0]);
1546 hdmi_reg_writeb(hdata, HDMI_V_BLANK_F5_1, core->v_blank_f5[1]);
1547 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_3_0,
1548 core->v_sync_line_aft_3[0]);
1549 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_3_1,
1550 core->v_sync_line_aft_3[1]);
1551 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_4_0,
1552 core->v_sync_line_aft_4[0]);
1553 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_4_1,
1554 core->v_sync_line_aft_4[1]);
1555 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_5_0,
1556 core->v_sync_line_aft_5[0]);
1557 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_5_1,
1558 core->v_sync_line_aft_5[1]);
1559 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_6_0,
1560 core->v_sync_line_aft_6[0]);
1561 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_6_1,
1562 core->v_sync_line_aft_6[1]);
1563 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_0,
1564 core->v_sync_line_aft_pxl_3[0]);
1565 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_3_1,
1566 core->v_sync_line_aft_pxl_3[1]);
1567 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_0,
1568 core->v_sync_line_aft_pxl_4[0]);
1569 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_4_1,
1570 core->v_sync_line_aft_pxl_4[1]);
1571 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0,
1572 core->v_sync_line_aft_pxl_5[0]);
1573 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_1,
1574 core->v_sync_line_aft_pxl_5[1]);
1575 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0,
1576 core->v_sync_line_aft_pxl_6[0]);
1577 hdmi_reg_writeb(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_1,
1578 core->v_sync_line_aft_pxl_6[1]);
1579 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_1_0, core->vact_space_1[0]);
1580 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_1_1, core->vact_space_1[1]);
1581 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_2_0, core->vact_space_2[0]);
1582 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_2_1, core->vact_space_2[1]);
1583 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_3_0, core->vact_space_3[0]);
1584 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_3_1, core->vact_space_3[1]);
1585 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_4_0, core->vact_space_4[0]);
1586 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_4_1, core->vact_space_4[1]);
1587 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_5_0, core->vact_space_5[0]);
1588 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_5_1, core->vact_space_5[1]);
1589 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_6_0, core->vact_space_6[0]);
1590 hdmi_reg_writeb(hdata, HDMI_VACT_SPACE_6_1, core->vact_space_6[1]);
1591
1592 /* Timing generator registers */
1593 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_L, tg->h_fsz[0]);
1594 hdmi_reg_writeb(hdata, HDMI_TG_H_FSZ_H, tg->h_fsz[1]);
1595 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_L, tg->hact_st[0]);
1596 hdmi_reg_writeb(hdata, HDMI_TG_HACT_ST_H, tg->hact_st[1]);
1597 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_L, tg->hact_sz[0]);
1598 hdmi_reg_writeb(hdata, HDMI_TG_HACT_SZ_H, tg->hact_sz[1]);
1599 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_L, tg->v_fsz[0]);
1600 hdmi_reg_writeb(hdata, HDMI_TG_V_FSZ_H, tg->v_fsz[1]);
1601 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_L, tg->vsync[0]);
1602 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_H, tg->vsync[1]);
1603 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_L, tg->vsync2[0]);
1604 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC2_H, tg->vsync2[1]);
1605 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_L, tg->vact_st[0]);
1606 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST_H, tg->vact_st[1]);
1607 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_L, tg->vact_sz[0]);
1608 hdmi_reg_writeb(hdata, HDMI_TG_VACT_SZ_H, tg->vact_sz[1]);
1609 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_L, tg->field_chg[0]);
1610 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_CHG_H, tg->field_chg[1]);
1611 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_L, tg->vact_st2[0]);
1612 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST2_H, tg->vact_st2[1]);
1613 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST3_L, tg->vact_st3[0]);
1614 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST3_H, tg->vact_st3[1]);
1615 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST4_L, tg->vact_st4[0]);
1616 hdmi_reg_writeb(hdata, HDMI_TG_VACT_ST4_H, tg->vact_st4[1]);
1617 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, tg->vsync_top_hdmi[0]);
1618 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_TOP_HDMI_H, tg->vsync_top_hdmi[1]);
1619 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, tg->vsync_bot_hdmi[0]);
1620 hdmi_reg_writeb(hdata, HDMI_TG_VSYNC_BOT_HDMI_H, tg->vsync_bot_hdmi[1]);
1621 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_L, tg->field_top_hdmi[0]);
1622 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_TOP_HDMI_H, tg->field_top_hdmi[1]);
1623 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_L, tg->field_bot_hdmi[0]);
1624 hdmi_reg_writeb(hdata, HDMI_TG_FIELD_BOT_HDMI_H, tg->field_bot_hdmi[1]);
1625 hdmi_reg_writeb(hdata, HDMI_TG_3D, tg->tg_3d[0]);
1626
1627 /* waiting for HDMIPHY's PLL to get to steady state */
1628 for (tries = 100; tries; --tries) {
1629 u32 val = hdmi_reg_read(hdata, HDMI_PHY_STATUS_0);
1630 if (val & HDMI_PHY_STATUS_READY)
1631 break;
1632 usleep_range(1000, 2000);
1633 }
1634 /* steady state not achieved */
1635 if (tries == 0) {
1636 DRM_ERROR("hdmiphy's pll could not reach steady state.\n");
1637 hdmi_regs_dump(hdata, "timing apply");
1638 }
1639
1640 clk_disable_unprepare(hdata->res.sclk_hdmi);
1641 clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_hdmiphy);
1642 clk_prepare_enable(hdata->res.sclk_hdmi);
1643
1644 /* enable HDMI and timing generator */
1645 hdmi_start(hdata, true);
1646 }
1647
1648 static void hdmi_mode_apply(struct hdmi_context *hdata)
1649 {
1650 if (hdata->type == HDMI_TYPE13)
1651 hdmi_v13_mode_apply(hdata);
1652 else
1653 hdmi_v14_mode_apply(hdata);
1654 }
1655
1656 static void hdmiphy_conf_reset(struct hdmi_context *hdata)
1657 {
1658 u8 buffer[2];
1659 u32 reg;
1660
1661 clk_disable_unprepare(hdata->res.sclk_hdmi);
1662 clk_set_parent(hdata->res.mout_hdmi, hdata->res.sclk_pixel);
1663 clk_prepare_enable(hdata->res.sclk_hdmi);
1664
1665 /* operation mode */
1666 buffer[0] = 0x1f;
1667 buffer[1] = 0x00;
1668
1669 if (hdata->hdmiphy_port)
1670 i2c_master_send(hdata->hdmiphy_port, buffer, 2);
1671
1672 if (hdata->type == HDMI_TYPE13)
1673 reg = HDMI_V13_PHY_RSTOUT;
1674 else
1675 reg = HDMI_PHY_RSTOUT;
1676
1677 /* reset hdmiphy */
1678 hdmi_reg_writemask(hdata, reg, ~0, HDMI_PHY_SW_RSTOUT);
1679 usleep_range(10000, 12000);
1680 hdmi_reg_writemask(hdata, reg, 0, HDMI_PHY_SW_RSTOUT);
1681 usleep_range(10000, 12000);
1682 }
1683
1684 static void hdmiphy_poweron(struct hdmi_context *hdata)
1685 {
1686 if (hdata->type != HDMI_TYPE14)
1687 return;
1688
1689 DRM_DEBUG_KMS("\n");
1690
1691 /* For PHY Mode Setting */
1692 hdmiphy_reg_writeb(hdata, HDMIPHY_MODE_SET_DONE,
1693 HDMI_PHY_ENABLE_MODE_SET);
1694 /* Phy Power On */
1695 hdmiphy_reg_writeb(hdata, HDMIPHY_POWER,
1696 HDMI_PHY_POWER_ON);
1697 /* For PHY Mode Setting */
1698 hdmiphy_reg_writeb(hdata, HDMIPHY_MODE_SET_DONE,
1699 HDMI_PHY_DISABLE_MODE_SET);
1700 /* PHY SW Reset */
1701 hdmiphy_conf_reset(hdata);
1702 }
1703
1704 static void hdmiphy_poweroff(struct hdmi_context *hdata)
1705 {
1706 if (hdata->type != HDMI_TYPE14)
1707 return;
1708
1709 DRM_DEBUG_KMS("\n");
1710
1711 /* PHY SW Reset */
1712 hdmiphy_conf_reset(hdata);
1713 /* For PHY Mode Setting */
1714 hdmiphy_reg_writeb(hdata, HDMIPHY_MODE_SET_DONE,
1715 HDMI_PHY_ENABLE_MODE_SET);
1716
1717 /* PHY Power Off */
1718 hdmiphy_reg_writeb(hdata, HDMIPHY_POWER,
1719 HDMI_PHY_POWER_OFF);
1720
1721 /* For PHY Mode Setting */
1722 hdmiphy_reg_writeb(hdata, HDMIPHY_MODE_SET_DONE,
1723 HDMI_PHY_DISABLE_MODE_SET);
1724 }
1725
1726 static void hdmiphy_conf_apply(struct hdmi_context *hdata)
1727 {
1728 int ret;
1729 int i;
1730
1731 /* pixel clock */
1732 i = hdmi_find_phy_conf(hdata, hdata->mode_conf.pixel_clock);
1733 if (i < 0) {
1734 DRM_ERROR("failed to find hdmiphy conf\n");
1735 return;
1736 }
1737
1738 ret = hdmiphy_reg_write_buf(hdata, 0, hdata->phy_confs[i].conf, 32);
1739 if (ret) {
1740 DRM_ERROR("failed to configure hdmiphy\n");
1741 return;
1742 }
1743
1744 usleep_range(10000, 12000);
1745
1746 ret = hdmiphy_reg_writeb(hdata, HDMIPHY_MODE_SET_DONE,
1747 HDMI_PHY_DISABLE_MODE_SET);
1748 if (ret) {
1749 DRM_ERROR("failed to enable hdmiphy\n");
1750 return;
1751 }
1752
1753 }
1754
1755 static void hdmi_conf_apply(struct hdmi_context *hdata)
1756 {
1757 hdmiphy_conf_reset(hdata);
1758 hdmiphy_conf_apply(hdata);
1759
1760 mutex_lock(&hdata->hdmi_mutex);
1761 hdmi_start(hdata, false);
1762 hdmi_conf_init(hdata);
1763 mutex_unlock(&hdata->hdmi_mutex);
1764
1765 hdmi_audio_init(hdata);
1766
1767 /* setting core registers */
1768 hdmi_mode_apply(hdata);
1769 hdmi_audio_control(hdata, true);
1770
1771 hdmi_regs_dump(hdata, "start");
1772 }
1773
1774 static void hdmi_set_reg(u8 *reg_pair, int num_bytes, u32 value)
1775 {
1776 int i;
1777 BUG_ON(num_bytes > 4);
1778 for (i = 0; i < num_bytes; i++)
1779 reg_pair[i] = (value >> (8 * i)) & 0xff;
1780 }
1781
1782 static void hdmi_v13_mode_set(struct hdmi_context *hdata,
1783 struct drm_display_mode *m)
1784 {
1785 struct hdmi_v13_core_regs *core = &hdata->mode_conf.conf.v13_conf.core;
1786 struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v13_conf.tg;
1787 unsigned int val;
1788
1789 hdata->mode_conf.cea_video_id =
1790 drm_match_cea_mode((struct drm_display_mode *)m);
1791 hdata->mode_conf.pixel_clock = m->clock * 1000;
1792 hdata->mode_conf.aspect_ratio = m->picture_aspect_ratio;
1793
1794 hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay);
1795 hdmi_set_reg(core->h_v_line, 3, (m->htotal << 12) | m->vtotal);
1796
1797 val = (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0;
1798 hdmi_set_reg(core->vsync_pol, 1, val);
1799
1800 val = (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0;
1801 hdmi_set_reg(core->int_pro_mode, 1, val);
1802
1803 val = (m->hsync_start - m->hdisplay - 2);
1804 val |= ((m->hsync_end - m->hdisplay - 2) << 10);
1805 val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
1806 hdmi_set_reg(core->h_sync_gen, 3, val);
1807
1808 /*
1809 * Quirk requirement for exynos HDMI IP design,
1810 * 2 pixels less than the actual calculation for hsync_start
1811 * and end.
1812 */
1813
1814 /* Following values & calculations differ for different type of modes */
1815 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1816 /* Interlaced Mode */
1817 val = ((m->vsync_end - m->vdisplay) / 2);
1818 val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
1819 hdmi_set_reg(core->v_sync_gen1, 3, val);
1820
1821 val = m->vtotal / 2;
1822 val |= ((m->vtotal - m->vdisplay) / 2) << 11;
1823 hdmi_set_reg(core->v_blank, 3, val);
1824
1825 val = (m->vtotal +
1826 ((m->vsync_end - m->vsync_start) * 4) + 5) / 2;
1827 val |= m->vtotal << 11;
1828 hdmi_set_reg(core->v_blank_f, 3, val);
1829
1830 val = ((m->vtotal / 2) + 7);
1831 val |= ((m->vtotal / 2) + 2) << 12;
1832 hdmi_set_reg(core->v_sync_gen2, 3, val);
1833
1834 val = ((m->htotal / 2) + (m->hsync_start - m->hdisplay));
1835 val |= ((m->htotal / 2) +
1836 (m->hsync_start - m->hdisplay)) << 12;
1837 hdmi_set_reg(core->v_sync_gen3, 3, val);
1838
1839 hdmi_set_reg(tg->vact_st, 2, (m->vtotal - m->vdisplay) / 2);
1840 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay / 2);
1841
1842 hdmi_set_reg(tg->vact_st2, 2, 0x249);/* Reset value + 1*/
1843 } else {
1844 /* Progressive Mode */
1845
1846 val = m->vtotal;
1847 val |= (m->vtotal - m->vdisplay) << 11;
1848 hdmi_set_reg(core->v_blank, 3, val);
1849
1850 hdmi_set_reg(core->v_blank_f, 3, 0);
1851
1852 val = (m->vsync_end - m->vdisplay);
1853 val |= ((m->vsync_start - m->vdisplay) << 12);
1854 hdmi_set_reg(core->v_sync_gen1, 3, val);
1855
1856 hdmi_set_reg(core->v_sync_gen2, 3, 0x1001);/* Reset value */
1857 hdmi_set_reg(core->v_sync_gen3, 3, 0x1001);/* Reset value */
1858 hdmi_set_reg(tg->vact_st, 2, m->vtotal - m->vdisplay);
1859 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay);
1860 hdmi_set_reg(tg->vact_st2, 2, 0x248); /* Reset value */
1861 }
1862
1863 /* Timing generator registers */
1864 hdmi_set_reg(tg->cmd, 1, 0x0);
1865 hdmi_set_reg(tg->h_fsz, 2, m->htotal);
1866 hdmi_set_reg(tg->hact_st, 2, m->htotal - m->hdisplay);
1867 hdmi_set_reg(tg->hact_sz, 2, m->hdisplay);
1868 hdmi_set_reg(tg->v_fsz, 2, m->vtotal);
1869 hdmi_set_reg(tg->vsync, 2, 0x1);
1870 hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */
1871 hdmi_set_reg(tg->field_chg, 2, 0x233); /* Reset value */
1872 hdmi_set_reg(tg->vsync_top_hdmi, 2, 0x1); /* Reset value */
1873 hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */
1874 hdmi_set_reg(tg->field_top_hdmi, 2, 0x1); /* Reset value */
1875 hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */
1876 hdmi_set_reg(tg->tg_3d, 1, 0x0); /* Not used */
1877 }
1878
1879 static void hdmi_v14_mode_set(struct hdmi_context *hdata,
1880 struct drm_display_mode *m)
1881 {
1882 struct hdmi_tg_regs *tg = &hdata->mode_conf.conf.v14_conf.tg;
1883 struct hdmi_v14_core_regs *core =
1884 &hdata->mode_conf.conf.v14_conf.core;
1885
1886 hdata->mode_conf.cea_video_id =
1887 drm_match_cea_mode((struct drm_display_mode *)m);
1888 hdata->mode_conf.pixel_clock = m->clock * 1000;
1889 hdata->mode_conf.aspect_ratio = m->picture_aspect_ratio;
1890
1891 hdmi_set_reg(core->h_blank, 2, m->htotal - m->hdisplay);
1892 hdmi_set_reg(core->v_line, 2, m->vtotal);
1893 hdmi_set_reg(core->h_line, 2, m->htotal);
1894 hdmi_set_reg(core->hsync_pol, 1,
1895 (m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
1896 hdmi_set_reg(core->vsync_pol, 1,
1897 (m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
1898 hdmi_set_reg(core->int_pro_mode, 1,
1899 (m->flags & DRM_MODE_FLAG_INTERLACE) ? 1 : 0);
1900
1901 /*
1902 * Quirk requirement for exynos 5 HDMI IP design,
1903 * 2 pixels less than the actual calculation for hsync_start
1904 * and end.
1905 */
1906
1907 /* Following values & calculations differ for different type of modes */
1908 if (m->flags & DRM_MODE_FLAG_INTERLACE) {
1909 /* Interlaced Mode */
1910 hdmi_set_reg(core->v_sync_line_bef_2, 2,
1911 (m->vsync_end - m->vdisplay) / 2);
1912 hdmi_set_reg(core->v_sync_line_bef_1, 2,
1913 (m->vsync_start - m->vdisplay) / 2);
1914 hdmi_set_reg(core->v2_blank, 2, m->vtotal / 2);
1915 hdmi_set_reg(core->v1_blank, 2, (m->vtotal - m->vdisplay) / 2);
1916 hdmi_set_reg(core->v_blank_f0, 2, m->vtotal - m->vdisplay / 2);
1917 hdmi_set_reg(core->v_blank_f1, 2, m->vtotal);
1918 hdmi_set_reg(core->v_sync_line_aft_2, 2, (m->vtotal / 2) + 7);
1919 hdmi_set_reg(core->v_sync_line_aft_1, 2, (m->vtotal / 2) + 2);
1920 hdmi_set_reg(core->v_sync_line_aft_pxl_2, 2,
1921 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1922 hdmi_set_reg(core->v_sync_line_aft_pxl_1, 2,
1923 (m->htotal / 2) + (m->hsync_start - m->hdisplay));
1924 hdmi_set_reg(tg->vact_st, 2, (m->vtotal - m->vdisplay) / 2);
1925 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay / 2);
1926 hdmi_set_reg(tg->vact_st2, 2, m->vtotal - m->vdisplay / 2);
1927 hdmi_set_reg(tg->vsync2, 2, (m->vtotal / 2) + 1);
1928 hdmi_set_reg(tg->vsync_bot_hdmi, 2, (m->vtotal / 2) + 1);
1929 hdmi_set_reg(tg->field_bot_hdmi, 2, (m->vtotal / 2) + 1);
1930 hdmi_set_reg(tg->vact_st3, 2, 0x0);
1931 hdmi_set_reg(tg->vact_st4, 2, 0x0);
1932 } else {
1933 /* Progressive Mode */
1934 hdmi_set_reg(core->v_sync_line_bef_2, 2,
1935 m->vsync_end - m->vdisplay);
1936 hdmi_set_reg(core->v_sync_line_bef_1, 2,
1937 m->vsync_start - m->vdisplay);
1938 hdmi_set_reg(core->v2_blank, 2, m->vtotal);
1939 hdmi_set_reg(core->v1_blank, 2, m->vtotal - m->vdisplay);
1940 hdmi_set_reg(core->v_blank_f0, 2, 0xffff);
1941 hdmi_set_reg(core->v_blank_f1, 2, 0xffff);
1942 hdmi_set_reg(core->v_sync_line_aft_2, 2, 0xffff);
1943 hdmi_set_reg(core->v_sync_line_aft_1, 2, 0xffff);
1944 hdmi_set_reg(core->v_sync_line_aft_pxl_2, 2, 0xffff);
1945 hdmi_set_reg(core->v_sync_line_aft_pxl_1, 2, 0xffff);
1946 hdmi_set_reg(tg->vact_st, 2, m->vtotal - m->vdisplay);
1947 hdmi_set_reg(tg->vact_sz, 2, m->vdisplay);
1948 hdmi_set_reg(tg->vact_st2, 2, 0x248); /* Reset value */
1949 hdmi_set_reg(tg->vact_st3, 2, 0x47b); /* Reset value */
1950 hdmi_set_reg(tg->vact_st4, 2, 0x6ae); /* Reset value */
1951 hdmi_set_reg(tg->vsync2, 2, 0x233); /* Reset value */
1952 hdmi_set_reg(tg->vsync_bot_hdmi, 2, 0x233); /* Reset value */
1953 hdmi_set_reg(tg->field_bot_hdmi, 2, 0x233); /* Reset value */
1954 }
1955
1956 /* Following values & calculations are same irrespective of mode type */
1957 hdmi_set_reg(core->h_sync_start, 2, m->hsync_start - m->hdisplay - 2);
1958 hdmi_set_reg(core->h_sync_end, 2, m->hsync_end - m->hdisplay - 2);
1959 hdmi_set_reg(core->vact_space_1, 2, 0xffff);
1960 hdmi_set_reg(core->vact_space_2, 2, 0xffff);
1961 hdmi_set_reg(core->vact_space_3, 2, 0xffff);
1962 hdmi_set_reg(core->vact_space_4, 2, 0xffff);
1963 hdmi_set_reg(core->vact_space_5, 2, 0xffff);
1964 hdmi_set_reg(core->vact_space_6, 2, 0xffff);
1965 hdmi_set_reg(core->v_blank_f2, 2, 0xffff);
1966 hdmi_set_reg(core->v_blank_f3, 2, 0xffff);
1967 hdmi_set_reg(core->v_blank_f4, 2, 0xffff);
1968 hdmi_set_reg(core->v_blank_f5, 2, 0xffff);
1969 hdmi_set_reg(core->v_sync_line_aft_3, 2, 0xffff);
1970 hdmi_set_reg(core->v_sync_line_aft_4, 2, 0xffff);
1971 hdmi_set_reg(core->v_sync_line_aft_5, 2, 0xffff);
1972 hdmi_set_reg(core->v_sync_line_aft_6, 2, 0xffff);
1973 hdmi_set_reg(core->v_sync_line_aft_pxl_3, 2, 0xffff);
1974 hdmi_set_reg(core->v_sync_line_aft_pxl_4, 2, 0xffff);
1975 hdmi_set_reg(core->v_sync_line_aft_pxl_5, 2, 0xffff);
1976 hdmi_set_reg(core->v_sync_line_aft_pxl_6, 2, 0xffff);
1977
1978 /* Timing generator registers */
1979 hdmi_set_reg(tg->cmd, 1, 0x0);
1980 hdmi_set_reg(tg->h_fsz, 2, m->htotal);
1981 hdmi_set_reg(tg->hact_st, 2, m->htotal - m->hdisplay);
1982 hdmi_set_reg(tg->hact_sz, 2, m->hdisplay);
1983 hdmi_set_reg(tg->v_fsz, 2, m->vtotal);
1984 hdmi_set_reg(tg->vsync, 2, 0x1);
1985 hdmi_set_reg(tg->field_chg, 2, 0x233); /* Reset value */
1986 hdmi_set_reg(tg->vsync_top_hdmi, 2, 0x1); /* Reset value */
1987 hdmi_set_reg(tg->field_top_hdmi, 2, 0x1); /* Reset value */
1988 hdmi_set_reg(tg->tg_3d, 1, 0x0);
1989 }
1990
1991 static void hdmi_mode_set(struct exynos_drm_display *display,
1992 struct drm_display_mode *mode)
1993 {
1994 struct hdmi_context *hdata = display->ctx;
1995 struct drm_display_mode *m = mode;
1996
1997 DRM_DEBUG_KMS("xres=%d, yres=%d, refresh=%d, intl=%s\n",
1998 m->hdisplay, m->vdisplay,
1999 m->vrefresh, (m->flags & DRM_MODE_FLAG_INTERLACE) ?
2000 "INTERLACED" : "PROGERESSIVE");
2001
2002 /* preserve mode information for later use. */
2003 drm_mode_copy(&hdata->current_mode, mode);
2004
2005 if (hdata->type == HDMI_TYPE13)
2006 hdmi_v13_mode_set(hdata, mode);
2007 else
2008 hdmi_v14_mode_set(hdata, mode);
2009 }
2010
2011 static void hdmi_commit(struct exynos_drm_display *display)
2012 {
2013 struct hdmi_context *hdata = display->ctx;
2014
2015 mutex_lock(&hdata->hdmi_mutex);
2016 if (!hdata->powered) {
2017 mutex_unlock(&hdata->hdmi_mutex);
2018 return;
2019 }
2020 mutex_unlock(&hdata->hdmi_mutex);
2021
2022 hdmi_conf_apply(hdata);
2023 }
2024
2025 static void hdmi_poweron(struct exynos_drm_display *display)
2026 {
2027 struct hdmi_context *hdata = display->ctx;
2028 struct hdmi_resources *res = &hdata->res;
2029
2030 mutex_lock(&hdata->hdmi_mutex);
2031 if (hdata->powered) {
2032 mutex_unlock(&hdata->hdmi_mutex);
2033 return;
2034 }
2035
2036 hdata->powered = true;
2037
2038 mutex_unlock(&hdata->hdmi_mutex);
2039
2040 pm_runtime_get_sync(hdata->dev);
2041
2042 if (regulator_bulk_enable(res->regul_count, res->regul_bulk))
2043 DRM_DEBUG_KMS("failed to enable regulator bulk\n");
2044
2045 /* set pmu hdmiphy control bit to enable hdmiphy */
2046 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
2047 PMU_HDMI_PHY_ENABLE_BIT, 1);
2048
2049 clk_prepare_enable(res->hdmi);
2050 clk_prepare_enable(res->sclk_hdmi);
2051
2052 hdmiphy_poweron(hdata);
2053 hdmi_commit(display);
2054 }
2055
2056 static void hdmi_poweroff(struct exynos_drm_display *display)
2057 {
2058 struct hdmi_context *hdata = display->ctx;
2059 struct hdmi_resources *res = &hdata->res;
2060
2061 mutex_lock(&hdata->hdmi_mutex);
2062 if (!hdata->powered)
2063 goto out;
2064 mutex_unlock(&hdata->hdmi_mutex);
2065
2066 /* HDMI System Disable */
2067 hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
2068
2069 hdmiphy_poweroff(hdata);
2070
2071 cancel_delayed_work(&hdata->hotplug_work);
2072
2073 clk_disable_unprepare(res->sclk_hdmi);
2074 clk_disable_unprepare(res->hdmi);
2075
2076 /* reset pmu hdmiphy control bit to disable hdmiphy */
2077 regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
2078 PMU_HDMI_PHY_ENABLE_BIT, 0);
2079
2080 regulator_bulk_disable(res->regul_count, res->regul_bulk);
2081
2082 pm_runtime_put_sync(hdata->dev);
2083
2084 mutex_lock(&hdata->hdmi_mutex);
2085 hdata->powered = false;
2086
2087 out:
2088 mutex_unlock(&hdata->hdmi_mutex);
2089 }
2090
2091 static void hdmi_dpms(struct exynos_drm_display *display, int mode)
2092 {
2093 DRM_DEBUG_KMS("mode %d\n", mode);
2094
2095 switch (mode) {
2096 case DRM_MODE_DPMS_ON:
2097 hdmi_poweron(display);
2098 break;
2099 case DRM_MODE_DPMS_STANDBY:
2100 case DRM_MODE_DPMS_SUSPEND:
2101 case DRM_MODE_DPMS_OFF:
2102 hdmi_poweroff(display);
2103 break;
2104 default:
2105 DRM_DEBUG_KMS("unknown dpms mode: %d\n", mode);
2106 break;
2107 }
2108 }
2109
2110 static struct exynos_drm_display_ops hdmi_display_ops = {
2111 .create_connector = hdmi_create_connector,
2112 .mode_fixup = hdmi_mode_fixup,
2113 .mode_set = hdmi_mode_set,
2114 .dpms = hdmi_dpms,
2115 .commit = hdmi_commit,
2116 };
2117
2118 static struct exynos_drm_display hdmi_display = {
2119 .type = EXYNOS_DISPLAY_TYPE_HDMI,
2120 .ops = &hdmi_display_ops,
2121 };
2122
2123 static void hdmi_hotplug_work_func(struct work_struct *work)
2124 {
2125 struct hdmi_context *hdata;
2126
2127 hdata = container_of(work, struct hdmi_context, hotplug_work.work);
2128
2129 mutex_lock(&hdata->hdmi_mutex);
2130 hdata->hpd = gpio_get_value(hdata->hpd_gpio);
2131 mutex_unlock(&hdata->hdmi_mutex);
2132
2133 if (hdata->drm_dev)
2134 drm_helper_hpd_irq_event(hdata->drm_dev);
2135 }
2136
2137 static irqreturn_t hdmi_irq_thread(int irq, void *arg)
2138 {
2139 struct hdmi_context *hdata = arg;
2140
2141 mod_delayed_work(system_wq, &hdata->hotplug_work,
2142 msecs_to_jiffies(HOTPLUG_DEBOUNCE_MS));
2143
2144 return IRQ_HANDLED;
2145 }
2146
2147 static int hdmi_resources_init(struct hdmi_context *hdata)
2148 {
2149 struct device *dev = hdata->dev;
2150 struct hdmi_resources *res = &hdata->res;
2151 static char *supply[] = {
2152 "hdmi-en",
2153 "vdd",
2154 "vdd_osc",
2155 "vdd_pll",
2156 };
2157 int i, ret;
2158
2159 DRM_DEBUG_KMS("HDMI resource init\n");
2160
2161 /* get clocks, power */
2162 res->hdmi = devm_clk_get(dev, "hdmi");
2163 if (IS_ERR(res->hdmi)) {
2164 DRM_ERROR("failed to get clock 'hdmi'\n");
2165 ret = PTR_ERR(res->hdmi);
2166 goto fail;
2167 }
2168 res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
2169 if (IS_ERR(res->sclk_hdmi)) {
2170 DRM_ERROR("failed to get clock 'sclk_hdmi'\n");
2171 ret = PTR_ERR(res->sclk_hdmi);
2172 goto fail;
2173 }
2174 res->sclk_pixel = devm_clk_get(dev, "sclk_pixel");
2175 if (IS_ERR(res->sclk_pixel)) {
2176 DRM_ERROR("failed to get clock 'sclk_pixel'\n");
2177 ret = PTR_ERR(res->sclk_pixel);
2178 goto fail;
2179 }
2180 res->sclk_hdmiphy = devm_clk_get(dev, "sclk_hdmiphy");
2181 if (IS_ERR(res->sclk_hdmiphy)) {
2182 DRM_ERROR("failed to get clock 'sclk_hdmiphy'\n");
2183 ret = PTR_ERR(res->sclk_hdmiphy);
2184 goto fail;
2185 }
2186 res->mout_hdmi = devm_clk_get(dev, "mout_hdmi");
2187 if (IS_ERR(res->mout_hdmi)) {
2188 DRM_ERROR("failed to get clock 'mout_hdmi'\n");
2189 ret = PTR_ERR(res->mout_hdmi);
2190 goto fail;
2191 }
2192
2193 clk_set_parent(res->mout_hdmi, res->sclk_pixel);
2194
2195 res->regul_bulk = devm_kzalloc(dev, ARRAY_SIZE(supply) *
2196 sizeof(res->regul_bulk[0]), GFP_KERNEL);
2197 if (!res->regul_bulk) {
2198 ret = -ENOMEM;
2199 goto fail;
2200 }
2201 for (i = 0; i < ARRAY_SIZE(supply); ++i) {
2202 res->regul_bulk[i].supply = supply[i];
2203 res->regul_bulk[i].consumer = NULL;
2204 }
2205 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), res->regul_bulk);
2206 if (ret) {
2207 DRM_ERROR("failed to get regulators\n");
2208 return ret;
2209 }
2210 res->regul_count = ARRAY_SIZE(supply);
2211
2212 return ret;
2213 fail:
2214 DRM_ERROR("HDMI resource init - failed\n");
2215 return ret;
2216 }
2217
2218 static struct s5p_hdmi_platform_data *drm_hdmi_dt_parse_pdata
2219 (struct device *dev)
2220 {
2221 struct device_node *np = dev->of_node;
2222 struct s5p_hdmi_platform_data *pd;
2223 u32 value;
2224
2225 pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
2226 if (!pd)
2227 goto err_data;
2228
2229 if (!of_find_property(np, "hpd-gpio", &value)) {
2230 DRM_ERROR("no hpd gpio property found\n");
2231 goto err_data;
2232 }
2233
2234 pd->hpd_gpio = of_get_named_gpio(np, "hpd-gpio", 0);
2235
2236 return pd;
2237
2238 err_data:
2239 return NULL;
2240 }
2241
2242 static struct of_device_id hdmi_match_types[] = {
2243 {
2244 .compatible = "samsung,exynos5-hdmi",
2245 .data = &exynos5_hdmi_driver_data,
2246 }, {
2247 .compatible = "samsung,exynos4212-hdmi",
2248 .data = &exynos4212_hdmi_driver_data,
2249 }, {
2250 .compatible = "samsung,exynos5420-hdmi",
2251 .data = &exynos5420_hdmi_driver_data,
2252 }, {
2253 /* end node */
2254 }
2255 };
2256
2257 static int hdmi_bind(struct device *dev, struct device *master, void *data)
2258 {
2259 struct drm_device *drm_dev = data;
2260 struct hdmi_context *hdata;
2261
2262 hdata = hdmi_display.ctx;
2263 hdata->drm_dev = drm_dev;
2264
2265 return exynos_drm_create_enc_conn(drm_dev, &hdmi_display);
2266 }
2267
2268 static void hdmi_unbind(struct device *dev, struct device *master, void *data)
2269 {
2270 struct exynos_drm_display *display = get_hdmi_display(dev);
2271 struct drm_encoder *encoder = display->encoder;
2272 struct hdmi_context *hdata = display->ctx;
2273
2274 encoder->funcs->destroy(encoder);
2275 drm_connector_cleanup(&hdata->connector);
2276 }
2277
2278 static const struct component_ops hdmi_component_ops = {
2279 .bind = hdmi_bind,
2280 .unbind = hdmi_unbind,
2281 };
2282
2283 static struct device_node *hdmi_legacy_ddc_dt_binding(struct device *dev)
2284 {
2285 const char *compatible_str = "samsung,exynos4210-hdmiddc";
2286 struct device_node *np;
2287
2288 np = of_find_compatible_node(NULL, NULL, compatible_str);
2289 if (np)
2290 return of_get_next_parent(np);
2291
2292 return NULL;
2293 }
2294
2295 static struct device_node *hdmi_legacy_phy_dt_binding(struct device *dev)
2296 {
2297 const char *compatible_str = "samsung,exynos4212-hdmiphy";
2298
2299 return of_find_compatible_node(NULL, NULL, compatible_str);
2300 }
2301
2302 static int hdmi_probe(struct platform_device *pdev)
2303 {
2304 struct device_node *ddc_node, *phy_node;
2305 struct s5p_hdmi_platform_data *pdata;
2306 struct hdmi_driver_data *drv_data;
2307 const struct of_device_id *match;
2308 struct device *dev = &pdev->dev;
2309 struct hdmi_context *hdata;
2310 struct resource *res;
2311 int ret;
2312
2313 ret = exynos_drm_component_add(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR,
2314 hdmi_display.type);
2315 if (ret)
2316 return ret;
2317
2318 if (!dev->of_node) {
2319 ret = -ENODEV;
2320 goto err_del_component;
2321 }
2322
2323 pdata = drm_hdmi_dt_parse_pdata(dev);
2324 if (!pdata) {
2325 ret = -EINVAL;
2326 goto err_del_component;
2327 }
2328
2329 hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);
2330 if (!hdata) {
2331 ret = -ENOMEM;
2332 goto err_del_component;
2333 }
2334
2335 mutex_init(&hdata->hdmi_mutex);
2336
2337 platform_set_drvdata(pdev, &hdmi_display);
2338
2339 match = of_match_node(hdmi_match_types, dev->of_node);
2340 if (!match) {
2341 ret = -ENODEV;
2342 goto err_del_component;
2343 }
2344
2345 drv_data = (struct hdmi_driver_data *)match->data;
2346 hdata->type = drv_data->type;
2347 hdata->phy_confs = drv_data->phy_confs;
2348 hdata->phy_conf_count = drv_data->phy_conf_count;
2349
2350 hdata->hpd_gpio = pdata->hpd_gpio;
2351 hdata->dev = dev;
2352
2353 ret = hdmi_resources_init(hdata);
2354 if (ret) {
2355 DRM_ERROR("hdmi_resources_init failed\n");
2356 return ret;
2357 }
2358
2359 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2360 hdata->regs = devm_ioremap_resource(dev, res);
2361 if (IS_ERR(hdata->regs)) {
2362 ret = PTR_ERR(hdata->regs);
2363 goto err_del_component;
2364 }
2365
2366 ret = devm_gpio_request(dev, hdata->hpd_gpio, "HPD");
2367 if (ret) {
2368 DRM_ERROR("failed to request HPD gpio\n");
2369 goto err_del_component;
2370 }
2371
2372 ddc_node = hdmi_legacy_ddc_dt_binding(dev);
2373 if (ddc_node)
2374 goto out_get_ddc_adpt;
2375
2376 /* DDC i2c driver */
2377 ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
2378 if (!ddc_node) {
2379 DRM_ERROR("Failed to find ddc node in device tree\n");
2380 ret = -ENODEV;
2381 goto err_del_component;
2382 }
2383
2384 out_get_ddc_adpt:
2385 hdata->ddc_adpt = of_find_i2c_adapter_by_node(ddc_node);
2386 if (!hdata->ddc_adpt) {
2387 DRM_ERROR("Failed to get ddc i2c adapter by node\n");
2388 return -EPROBE_DEFER;
2389 }
2390
2391 phy_node = hdmi_legacy_phy_dt_binding(dev);
2392 if (phy_node)
2393 goto out_get_phy_port;
2394
2395 /* hdmiphy i2c driver */
2396 phy_node = of_parse_phandle(dev->of_node, "phy", 0);
2397 if (!phy_node) {
2398 DRM_ERROR("Failed to find hdmiphy node in device tree\n");
2399 ret = -ENODEV;
2400 goto err_ddc;
2401 }
2402
2403 out_get_phy_port:
2404 if (drv_data->is_apb_phy) {
2405 hdata->regs_hdmiphy = of_iomap(phy_node, 0);
2406 if (!hdata->regs_hdmiphy) {
2407 DRM_ERROR("failed to ioremap hdmi phy\n");
2408 ret = -ENOMEM;
2409 goto err_ddc;
2410 }
2411 } else {
2412 hdata->hdmiphy_port = of_find_i2c_device_by_node(phy_node);
2413 if (!hdata->hdmiphy_port) {
2414 DRM_ERROR("Failed to get hdmi phy i2c client\n");
2415 ret = -EPROBE_DEFER;
2416 goto err_ddc;
2417 }
2418 }
2419
2420 hdata->irq = gpio_to_irq(hdata->hpd_gpio);
2421 if (hdata->irq < 0) {
2422 DRM_ERROR("failed to get GPIO irq\n");
2423 ret = hdata->irq;
2424 goto err_hdmiphy;
2425 }
2426
2427 hdata->hpd = gpio_get_value(hdata->hpd_gpio);
2428
2429 INIT_DELAYED_WORK(&hdata->hotplug_work, hdmi_hotplug_work_func);
2430
2431 ret = devm_request_threaded_irq(dev, hdata->irq, NULL,
2432 hdmi_irq_thread, IRQF_TRIGGER_RISING |
2433 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
2434 "hdmi", hdata);
2435 if (ret) {
2436 DRM_ERROR("failed to register hdmi interrupt\n");
2437 goto err_hdmiphy;
2438 }
2439
2440 hdata->pmureg = syscon_regmap_lookup_by_phandle(dev->of_node,
2441 "samsung,syscon-phandle");
2442 if (IS_ERR(hdata->pmureg)) {
2443 DRM_ERROR("syscon regmap lookup failed.\n");
2444 ret = -EPROBE_DEFER;
2445 goto err_hdmiphy;
2446 }
2447
2448 pm_runtime_enable(dev);
2449 hdmi_display.ctx = hdata;
2450
2451 ret = component_add(&pdev->dev, &hdmi_component_ops);
2452 if (ret)
2453 goto err_disable_pm_runtime;
2454
2455 return ret;
2456
2457 err_disable_pm_runtime:
2458 pm_runtime_disable(dev);
2459
2460 err_hdmiphy:
2461 if (hdata->hdmiphy_port)
2462 put_device(&hdata->hdmiphy_port->dev);
2463 err_ddc:
2464 put_device(&hdata->ddc_adpt->dev);
2465
2466 err_del_component:
2467 exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR);
2468
2469 return ret;
2470 }
2471
2472 static int hdmi_remove(struct platform_device *pdev)
2473 {
2474 struct hdmi_context *hdata = hdmi_display.ctx;
2475
2476 cancel_delayed_work_sync(&hdata->hotplug_work);
2477
2478 put_device(&hdata->hdmiphy_port->dev);
2479 put_device(&hdata->ddc_adpt->dev);
2480
2481 pm_runtime_disable(&pdev->dev);
2482 component_del(&pdev->dev, &hdmi_component_ops);
2483
2484 exynos_drm_component_del(&pdev->dev, EXYNOS_DEVICE_TYPE_CONNECTOR);
2485 return 0;
2486 }
2487
2488 struct platform_driver hdmi_driver = {
2489 .probe = hdmi_probe,
2490 .remove = hdmi_remove,
2491 .driver = {
2492 .name = "exynos-hdmi",
2493 .owner = THIS_MODULE,
2494 .of_match_table = hdmi_match_types,
2495 },
2496 };
Linux kernel - Deliverables
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