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6011bdea GL |
1 | /* |
2 | * SH-Mobile High-Definition Multimedia Interface (HDMI) driver | |
3 | * for SLISHDMI13T and SLIPHDMIT IP cores | |
4 | * | |
5 | * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #include <linux/clk.h> | |
13 | #include <linux/console.h> | |
14 | #include <linux/delay.h> | |
15 | #include <linux/err.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/interrupt.h> | |
18 | #include <linux/io.h> | |
19 | #include <linux/module.h> | |
20 | #include <linux/platform_device.h> | |
21 | #include <linux/pm_runtime.h> | |
22 | #include <linux/slab.h> | |
23 | #include <linux/types.h> | |
24 | #include <linux/workqueue.h> | |
1d6be338 KM |
25 | #include <sound/soc-dapm.h> |
26 | #include <sound/initval.h> | |
6011bdea GL |
27 | |
28 | #include <video/sh_mobile_hdmi.h> | |
29 | #include <video/sh_mobile_lcdc.h> | |
30 | ||
31 | #define HDMI_SYSTEM_CTRL 0x00 /* System control */ | |
32 | #define HDMI_L_R_DATA_SWAP_CTRL_RPKT 0x01 /* L/R data swap control, | |
33 | bits 19..16 of 20-bit N for Audio Clock Regeneration packet */ | |
34 | #define HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8 0x02 /* bits 15..8 of 20-bit N for Audio Clock Regeneration packet */ | |
35 | #define HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0 0x03 /* bits 7..0 of 20-bit N for Audio Clock Regeneration packet */ | |
36 | #define HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS 0x04 /* SPDIF audio sampling frequency, | |
37 | bits 19..16 of Internal CTS */ | |
38 | #define HDMI_INTERNAL_CTS_15_8 0x05 /* bits 15..8 of Internal CTS */ | |
39 | #define HDMI_INTERNAL_CTS_7_0 0x06 /* bits 7..0 of Internal CTS */ | |
40 | #define HDMI_EXTERNAL_CTS_19_16 0x07 /* External CTS */ | |
41 | #define HDMI_EXTERNAL_CTS_15_8 0x08 /* External CTS */ | |
42 | #define HDMI_EXTERNAL_CTS_7_0 0x09 /* External CTS */ | |
43 | #define HDMI_AUDIO_SETTING_1 0x0A /* Audio setting.1 */ | |
44 | #define HDMI_AUDIO_SETTING_2 0x0B /* Audio setting.2 */ | |
45 | #define HDMI_I2S_AUDIO_SET 0x0C /* I2S audio setting */ | |
46 | #define HDMI_DSD_AUDIO_SET 0x0D /* DSD audio setting */ | |
47 | #define HDMI_DEBUG_MONITOR_1 0x0E /* Debug monitor.1 */ | |
48 | #define HDMI_DEBUG_MONITOR_2 0x0F /* Debug monitor.2 */ | |
49 | #define HDMI_I2S_INPUT_PIN_SWAP 0x10 /* I2S input pin swap */ | |
50 | #define HDMI_AUDIO_STATUS_BITS_SETTING_1 0x11 /* Audio status bits setting.1 */ | |
51 | #define HDMI_AUDIO_STATUS_BITS_SETTING_2 0x12 /* Audio status bits setting.2 */ | |
52 | #define HDMI_CATEGORY_CODE 0x13 /* Category code */ | |
53 | #define HDMI_SOURCE_NUM_AUDIO_WORD_LEN 0x14 /* Source number/Audio word length */ | |
54 | #define HDMI_AUDIO_VIDEO_SETTING_1 0x15 /* Audio/Video setting.1 */ | |
55 | #define HDMI_VIDEO_SETTING_1 0x16 /* Video setting.1 */ | |
56 | #define HDMI_DEEP_COLOR_MODES 0x17 /* Deep Color Modes */ | |
57 | ||
58 | /* 12 16- and 10-bit Color space conversion parameters: 0x18..0x2f */ | |
59 | #define HDMI_COLOR_SPACE_CONVERSION_PARAMETERS 0x18 | |
60 | ||
61 | #define HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS 0x30 /* External video parameter settings */ | |
62 | #define HDMI_EXTERNAL_H_TOTAL_7_0 0x31 /* External horizontal total (LSB) */ | |
63 | #define HDMI_EXTERNAL_H_TOTAL_11_8 0x32 /* External horizontal total (MSB) */ | |
64 | #define HDMI_EXTERNAL_H_BLANK_7_0 0x33 /* External horizontal blank (LSB) */ | |
65 | #define HDMI_EXTERNAL_H_BLANK_9_8 0x34 /* External horizontal blank (MSB) */ | |
66 | #define HDMI_EXTERNAL_H_DELAY_7_0 0x35 /* External horizontal delay (LSB) */ | |
67 | #define HDMI_EXTERNAL_H_DELAY_9_8 0x36 /* External horizontal delay (MSB) */ | |
68 | #define HDMI_EXTERNAL_H_DURATION_7_0 0x37 /* External horizontal duration (LSB) */ | |
69 | #define HDMI_EXTERNAL_H_DURATION_9_8 0x38 /* External horizontal duration (MSB) */ | |
70 | #define HDMI_EXTERNAL_V_TOTAL_7_0 0x39 /* External vertical total (LSB) */ | |
71 | #define HDMI_EXTERNAL_V_TOTAL_9_8 0x3A /* External vertical total (MSB) */ | |
72 | #define HDMI_AUDIO_VIDEO_SETTING_2 0x3B /* Audio/Video setting.2 */ | |
73 | #define HDMI_EXTERNAL_V_BLANK 0x3D /* External vertical blank */ | |
74 | #define HDMI_EXTERNAL_V_DELAY 0x3E /* External vertical delay */ | |
75 | #define HDMI_EXTERNAL_V_DURATION 0x3F /* External vertical duration */ | |
76 | #define HDMI_CTRL_PKT_MANUAL_SEND_CONTROL 0x40 /* Control packet manual send control */ | |
77 | #define HDMI_CTRL_PKT_AUTO_SEND 0x41 /* Control packet auto send with VSYNC control */ | |
78 | #define HDMI_AUTO_CHECKSUM_OPTION 0x42 /* Auto checksum option */ | |
79 | #define HDMI_VIDEO_SETTING_2 0x45 /* Video setting.2 */ | |
80 | #define HDMI_OUTPUT_OPTION 0x46 /* Output option */ | |
81 | #define HDMI_SLIPHDMIT_PARAM_OPTION 0x51 /* SLIPHDMIT parameter option */ | |
82 | #define HDMI_HSYNC_PMENT_AT_EMB_7_0 0x52 /* HSYNC placement at embedded sync (LSB) */ | |
83 | #define HDMI_HSYNC_PMENT_AT_EMB_15_8 0x53 /* HSYNC placement at embedded sync (MSB) */ | |
84 | #define HDMI_VSYNC_PMENT_AT_EMB_7_0 0x54 /* VSYNC placement at embedded sync (LSB) */ | |
85 | #define HDMI_VSYNC_PMENT_AT_EMB_14_8 0x55 /* VSYNC placement at embedded sync (MSB) */ | |
86 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_1 0x56 /* SLIPHDMIT parameter settings.1 */ | |
87 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_2 0x57 /* SLIPHDMIT parameter settings.2 */ | |
88 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_3 0x58 /* SLIPHDMIT parameter settings.3 */ | |
89 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_5 0x59 /* SLIPHDMIT parameter settings.5 */ | |
90 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_6 0x5A /* SLIPHDMIT parameter settings.6 */ | |
91 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_7 0x5B /* SLIPHDMIT parameter settings.7 */ | |
92 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_8 0x5C /* SLIPHDMIT parameter settings.8 */ | |
93 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_9 0x5D /* SLIPHDMIT parameter settings.9 */ | |
94 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_10 0x5E /* SLIPHDMIT parameter settings.10 */ | |
95 | #define HDMI_CTRL_PKT_BUF_INDEX 0x5F /* Control packet buffer index */ | |
96 | #define HDMI_CTRL_PKT_BUF_ACCESS_HB0 0x60 /* Control packet data buffer access window - HB0 */ | |
97 | #define HDMI_CTRL_PKT_BUF_ACCESS_HB1 0x61 /* Control packet data buffer access window - HB1 */ | |
98 | #define HDMI_CTRL_PKT_BUF_ACCESS_HB2 0x62 /* Control packet data buffer access window - HB2 */ | |
99 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB0 0x63 /* Control packet data buffer access window - PB0 */ | |
100 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB1 0x64 /* Control packet data buffer access window - PB1 */ | |
101 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB2 0x65 /* Control packet data buffer access window - PB2 */ | |
102 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB3 0x66 /* Control packet data buffer access window - PB3 */ | |
103 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB4 0x67 /* Control packet data buffer access window - PB4 */ | |
104 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB5 0x68 /* Control packet data buffer access window - PB5 */ | |
105 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB6 0x69 /* Control packet data buffer access window - PB6 */ | |
106 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB7 0x6A /* Control packet data buffer access window - PB7 */ | |
107 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB8 0x6B /* Control packet data buffer access window - PB8 */ | |
108 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB9 0x6C /* Control packet data buffer access window - PB9 */ | |
109 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB10 0x6D /* Control packet data buffer access window - PB10 */ | |
110 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB11 0x6E /* Control packet data buffer access window - PB11 */ | |
111 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB12 0x6F /* Control packet data buffer access window - PB12 */ | |
112 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB13 0x70 /* Control packet data buffer access window - PB13 */ | |
113 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB14 0x71 /* Control packet data buffer access window - PB14 */ | |
114 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB15 0x72 /* Control packet data buffer access window - PB15 */ | |
115 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB16 0x73 /* Control packet data buffer access window - PB16 */ | |
116 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB17 0x74 /* Control packet data buffer access window - PB17 */ | |
117 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB18 0x75 /* Control packet data buffer access window - PB18 */ | |
118 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB19 0x76 /* Control packet data buffer access window - PB19 */ | |
119 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB20 0x77 /* Control packet data buffer access window - PB20 */ | |
120 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB21 0x78 /* Control packet data buffer access window - PB21 */ | |
121 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB22 0x79 /* Control packet data buffer access window - PB22 */ | |
122 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB23 0x7A /* Control packet data buffer access window - PB23 */ | |
123 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB24 0x7B /* Control packet data buffer access window - PB24 */ | |
124 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB25 0x7C /* Control packet data buffer access window - PB25 */ | |
125 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB26 0x7D /* Control packet data buffer access window - PB26 */ | |
126 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB27 0x7E /* Control packet data buffer access window - PB27 */ | |
127 | #define HDMI_EDID_KSV_FIFO_ACCESS_WINDOW 0x80 /* EDID/KSV FIFO access window */ | |
128 | #define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_7_0 0x81 /* DDC bus access frequency control (LSB) */ | |
129 | #define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_15_8 0x82 /* DDC bus access frequency control (MSB) */ | |
130 | #define HDMI_INTERRUPT_MASK_1 0x92 /* Interrupt mask.1 */ | |
131 | #define HDMI_INTERRUPT_MASK_2 0x93 /* Interrupt mask.2 */ | |
132 | #define HDMI_INTERRUPT_STATUS_1 0x94 /* Interrupt status.1 */ | |
133 | #define HDMI_INTERRUPT_STATUS_2 0x95 /* Interrupt status.2 */ | |
134 | #define HDMI_INTERRUPT_MASK_3 0x96 /* Interrupt mask.3 */ | |
135 | #define HDMI_INTERRUPT_MASK_4 0x97 /* Interrupt mask.4 */ | |
136 | #define HDMI_INTERRUPT_STATUS_3 0x98 /* Interrupt status.3 */ | |
137 | #define HDMI_INTERRUPT_STATUS_4 0x99 /* Interrupt status.4 */ | |
138 | #define HDMI_SOFTWARE_HDCP_CONTROL_1 0x9A /* Software HDCP control.1 */ | |
139 | #define HDMI_FRAME_COUNTER 0x9C /* Frame counter */ | |
140 | #define HDMI_FRAME_COUNTER_FOR_RI_CHECK 0x9D /* Frame counter for Ri check */ | |
141 | #define HDMI_HDCP_CONTROL 0xAF /* HDCP control */ | |
142 | #define HDMI_RI_FRAME_COUNT_REGISTER 0xB2 /* Ri frame count register */ | |
143 | #define HDMI_DDC_BUS_CONTROL 0xB7 /* DDC bus control */ | |
144 | #define HDMI_HDCP_STATUS 0xB8 /* HDCP status */ | |
145 | #define HDMI_SHA0 0xB9 /* sha0 */ | |
146 | #define HDMI_SHA1 0xBA /* sha1 */ | |
147 | #define HDMI_SHA2 0xBB /* sha2 */ | |
148 | #define HDMI_SHA3 0xBC /* sha3 */ | |
149 | #define HDMI_SHA4 0xBD /* sha4 */ | |
150 | #define HDMI_BCAPS_READ 0xBE /* BCAPS read / debug */ | |
151 | #define HDMI_AKSV_BKSV_7_0_MONITOR 0xBF /* AKSV/BKSV[7:0] monitor */ | |
152 | #define HDMI_AKSV_BKSV_15_8_MONITOR 0xC0 /* AKSV/BKSV[15:8] monitor */ | |
153 | #define HDMI_AKSV_BKSV_23_16_MONITOR 0xC1 /* AKSV/BKSV[23:16] monitor */ | |
154 | #define HDMI_AKSV_BKSV_31_24_MONITOR 0xC2 /* AKSV/BKSV[31:24] monitor */ | |
155 | #define HDMI_AKSV_BKSV_39_32_MONITOR 0xC3 /* AKSV/BKSV[39:32] monitor */ | |
156 | #define HDMI_EDID_SEGMENT_POINTER 0xC4 /* EDID segment pointer */ | |
157 | #define HDMI_EDID_WORD_ADDRESS 0xC5 /* EDID word address */ | |
158 | #define HDMI_EDID_DATA_FIFO_ADDRESS 0xC6 /* EDID data FIFO address */ | |
159 | #define HDMI_NUM_OF_HDMI_DEVICES 0xC7 /* Number of HDMI devices */ | |
160 | #define HDMI_HDCP_ERROR_CODE 0xC8 /* HDCP error code */ | |
161 | #define HDMI_100MS_TIMER_SET 0xC9 /* 100ms timer setting */ | |
162 | #define HDMI_5SEC_TIMER_SET 0xCA /* 5sec timer setting */ | |
163 | #define HDMI_RI_READ_COUNT 0xCB /* Ri read count */ | |
164 | #define HDMI_AN_SEED 0xCC /* An seed */ | |
165 | #define HDMI_MAX_NUM_OF_RCIVRS_ALLOWED 0xCD /* Maximum number of receivers allowed */ | |
166 | #define HDMI_HDCP_MEMORY_ACCESS_CONTROL_1 0xCE /* HDCP memory access control.1 */ | |
167 | #define HDMI_HDCP_MEMORY_ACCESS_CONTROL_2 0xCF /* HDCP memory access control.2 */ | |
168 | #define HDMI_HDCP_CONTROL_2 0xD0 /* HDCP Control 2 */ | |
169 | #define HDMI_HDCP_KEY_MEMORY_CONTROL 0xD2 /* HDCP Key Memory Control */ | |
170 | #define HDMI_COLOR_SPACE_CONV_CONFIG_1 0xD3 /* Color space conversion configuration.1 */ | |
171 | #define HDMI_VIDEO_SETTING_3 0xD4 /* Video setting.3 */ | |
172 | #define HDMI_RI_7_0 0xD5 /* Ri[7:0] */ | |
173 | #define HDMI_RI_15_8 0xD6 /* Ri[15:8] */ | |
174 | #define HDMI_PJ 0xD7 /* Pj */ | |
175 | #define HDMI_SHA_RD 0xD8 /* sha_rd */ | |
176 | #define HDMI_RI_7_0_SAVED 0xD9 /* Ri[7:0] saved */ | |
177 | #define HDMI_RI_15_8_SAVED 0xDA /* Ri[15:8] saved */ | |
178 | #define HDMI_PJ_SAVED 0xDB /* Pj saved */ | |
179 | #define HDMI_NUM_OF_DEVICES 0xDC /* Number of devices */ | |
180 | #define HDMI_HOT_PLUG_MSENS_STATUS 0xDF /* Hot plug/MSENS status */ | |
181 | #define HDMI_BCAPS_WRITE 0xE0 /* bcaps */ | |
182 | #define HDMI_BSTAT_7_0 0xE1 /* bstat[7:0] */ | |
183 | #define HDMI_BSTAT_15_8 0xE2 /* bstat[15:8] */ | |
184 | #define HDMI_BKSV_7_0 0xE3 /* bksv[7:0] */ | |
185 | #define HDMI_BKSV_15_8 0xE4 /* bksv[15:8] */ | |
186 | #define HDMI_BKSV_23_16 0xE5 /* bksv[23:16] */ | |
187 | #define HDMI_BKSV_31_24 0xE6 /* bksv[31:24] */ | |
188 | #define HDMI_BKSV_39_32 0xE7 /* bksv[39:32] */ | |
189 | #define HDMI_AN_7_0 0xE8 /* An[7:0] */ | |
190 | #define HDMI_AN_15_8 0xE9 /* An [15:8] */ | |
191 | #define HDMI_AN_23_16 0xEA /* An [23:16] */ | |
192 | #define HDMI_AN_31_24 0xEB /* An [31:24] */ | |
193 | #define HDMI_AN_39_32 0xEC /* An [39:32] */ | |
194 | #define HDMI_AN_47_40 0xED /* An [47:40] */ | |
195 | #define HDMI_AN_55_48 0xEE /* An [55:48] */ | |
196 | #define HDMI_AN_63_56 0xEF /* An [63:56] */ | |
197 | #define HDMI_PRODUCT_ID 0xF0 /* Product ID */ | |
198 | #define HDMI_REVISION_ID 0xF1 /* Revision ID */ | |
199 | #define HDMI_TEST_MODE 0xFE /* Test mode */ | |
200 | ||
201 | enum hotplug_state { | |
202 | HDMI_HOTPLUG_DISCONNECTED, | |
203 | HDMI_HOTPLUG_CONNECTED, | |
204 | HDMI_HOTPLUG_EDID_DONE, | |
205 | }; | |
206 | ||
207 | struct sh_hdmi { | |
208 | void __iomem *base; | |
209 | enum hotplug_state hp_state; | |
210 | struct clk *hdmi_clk; | |
211 | struct device *dev; | |
212 | struct fb_info *info; | |
213 | struct delayed_work edid_work; | |
214 | struct fb_var_screeninfo var; | |
215 | }; | |
216 | ||
217 | static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg) | |
218 | { | |
219 | iowrite8(data, hdmi->base + reg); | |
220 | } | |
221 | ||
222 | static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg) | |
223 | { | |
224 | return ioread8(hdmi->base + reg); | |
225 | } | |
226 | ||
1d6be338 KM |
227 | /************************************************************************ |
228 | ||
229 | ||
230 | HDMI sound | |
231 | ||
232 | ||
233 | ************************************************************************/ | |
234 | static unsigned int sh_hdmi_snd_read(struct snd_soc_codec *codec, | |
235 | unsigned int reg) | |
236 | { | |
237 | struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec); | |
238 | ||
239 | return hdmi_read(hdmi, reg); | |
240 | } | |
241 | ||
242 | static int sh_hdmi_snd_write(struct snd_soc_codec *codec, | |
243 | unsigned int reg, | |
244 | unsigned int value) | |
245 | { | |
246 | struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec); | |
247 | ||
248 | hdmi_write(hdmi, value, reg); | |
249 | return 0; | |
250 | } | |
251 | ||
252 | static struct snd_soc_dai_driver sh_hdmi_dai = { | |
253 | .name = "sh_mobile_hdmi-hifi", | |
254 | .playback = { | |
255 | .stream_name = "Playback", | |
256 | .channels_min = 1, | |
257 | .channels_max = 2, | |
258 | .rates = SNDRV_PCM_RATE_8000_48000, | |
259 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, | |
260 | }, | |
261 | }; | |
262 | ||
263 | static int sh_hdmi_snd_probe(struct snd_soc_codec *codec) | |
264 | { | |
265 | dev_info(codec->dev, "SH Mobile HDMI Audio Codec"); | |
266 | ||
267 | return 0; | |
268 | } | |
269 | ||
270 | static struct snd_soc_codec_driver soc_codec_dev_sh_hdmi = { | |
271 | .probe = sh_hdmi_snd_probe, | |
272 | .read = sh_hdmi_snd_read, | |
273 | .write = sh_hdmi_snd_write, | |
274 | }; | |
275 | ||
276 | /************************************************************************ | |
277 | ||
278 | ||
279 | HDMI video | |
280 | ||
281 | ||
282 | ************************************************************************/ | |
6011bdea GL |
283 | /* External video parameter settings */ |
284 | static void hdmi_external_video_param(struct sh_hdmi *hdmi) | |
285 | { | |
286 | struct fb_var_screeninfo *var = &hdmi->var; | |
287 | u16 htotal, hblank, hdelay, vtotal, vblank, vdelay, voffset; | |
288 | u8 sync = 0; | |
289 | ||
290 | htotal = var->xres + var->right_margin + var->left_margin + var->hsync_len; | |
291 | ||
292 | hdelay = var->hsync_len + var->left_margin; | |
293 | hblank = var->right_margin + hdelay; | |
294 | ||
295 | /* | |
296 | * Vertical timing looks a bit different in Figure 18, | |
297 | * but let's try the same first by setting offset = 0 | |
298 | */ | |
299 | vtotal = var->yres + var->upper_margin + var->lower_margin + var->vsync_len; | |
300 | ||
301 | vdelay = var->vsync_len + var->upper_margin; | |
302 | vblank = var->lower_margin + vdelay; | |
303 | voffset = min(var->upper_margin / 2, 6U); | |
304 | ||
305 | /* | |
306 | * [3]: VSYNC polarity: Positive | |
307 | * [2]: HSYNC polarity: Positive | |
308 | * [1]: Interlace/Progressive: Progressive | |
309 | * [0]: External video settings enable: used. | |
310 | */ | |
311 | if (var->sync & FB_SYNC_HOR_HIGH_ACT) | |
312 | sync |= 4; | |
313 | if (var->sync & FB_SYNC_VERT_HIGH_ACT) | |
314 | sync |= 8; | |
315 | ||
316 | pr_debug("H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n", | |
317 | htotal, hblank, hdelay, var->hsync_len, | |
318 | vtotal, vblank, vdelay, var->vsync_len, sync); | |
319 | ||
320 | hdmi_write(hdmi, sync | (voffset << 4), HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS); | |
321 | ||
322 | hdmi_write(hdmi, htotal, HDMI_EXTERNAL_H_TOTAL_7_0); | |
323 | hdmi_write(hdmi, htotal >> 8, HDMI_EXTERNAL_H_TOTAL_11_8); | |
324 | ||
325 | hdmi_write(hdmi, hblank, HDMI_EXTERNAL_H_BLANK_7_0); | |
326 | hdmi_write(hdmi, hblank >> 8, HDMI_EXTERNAL_H_BLANK_9_8); | |
327 | ||
328 | hdmi_write(hdmi, hdelay, HDMI_EXTERNAL_H_DELAY_7_0); | |
329 | hdmi_write(hdmi, hdelay >> 8, HDMI_EXTERNAL_H_DELAY_9_8); | |
330 | ||
331 | hdmi_write(hdmi, var->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0); | |
332 | hdmi_write(hdmi, var->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8); | |
333 | ||
334 | hdmi_write(hdmi, vtotal, HDMI_EXTERNAL_V_TOTAL_7_0); | |
335 | hdmi_write(hdmi, vtotal >> 8, HDMI_EXTERNAL_V_TOTAL_9_8); | |
336 | ||
337 | hdmi_write(hdmi, vblank, HDMI_EXTERNAL_V_BLANK); | |
338 | ||
339 | hdmi_write(hdmi, vdelay, HDMI_EXTERNAL_V_DELAY); | |
340 | ||
341 | hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION); | |
342 | ||
343 | /* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for manual mode */ | |
344 | } | |
345 | ||
346 | /** | |
347 | * sh_hdmi_video_config() | |
348 | */ | |
349 | static void sh_hdmi_video_config(struct sh_hdmi *hdmi) | |
350 | { | |
351 | /* | |
352 | * [7:4]: Audio sampling frequency: 48kHz | |
353 | * [3:1]: Input video format: RGB and YCbCr 4:4:4 (Y on Green) | |
354 | * [0]: Internal/External DE select: internal | |
355 | */ | |
356 | hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1); | |
357 | ||
358 | /* | |
359 | * [7:6]: Video output format: RGB 4:4:4 | |
360 | * [5:4]: Input video data width: 8 bit | |
361 | * [3:1]: EAV/SAV location: channel 1 | |
362 | * [0]: Video input color space: RGB | |
363 | */ | |
364 | hdmi_write(hdmi, 0x34, HDMI_VIDEO_SETTING_1); | |
365 | ||
366 | /* | |
367 | * [7:6]: Together with bit [6] of HDMI_AUDIO_VIDEO_SETTING_2, which is | |
368 | * left at 0 by default, this configures 24bpp and sets the Color Depth | |
369 | * (CD) field in the General Control Packet | |
370 | */ | |
371 | hdmi_write(hdmi, 0x20, HDMI_DEEP_COLOR_MODES); | |
372 | } | |
373 | ||
374 | /** | |
375 | * sh_hdmi_audio_config() | |
376 | */ | |
377 | static void sh_hdmi_audio_config(struct sh_hdmi *hdmi) | |
378 | { | |
6d865771 KM |
379 | u8 data; |
380 | struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; | |
381 | ||
6011bdea GL |
382 | /* |
383 | * [7:4] L/R data swap control | |
384 | * [3:0] appropriate N[19:16] | |
385 | */ | |
386 | hdmi_write(hdmi, 0x00, HDMI_L_R_DATA_SWAP_CTRL_RPKT); | |
387 | /* appropriate N[15:8] */ | |
388 | hdmi_write(hdmi, 0x18, HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8); | |
389 | /* appropriate N[7:0] */ | |
390 | hdmi_write(hdmi, 0x00, HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0); | |
391 | ||
392 | /* [7:4] 48 kHz SPDIF not used */ | |
393 | hdmi_write(hdmi, 0x20, HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS); | |
394 | ||
395 | /* | |
396 | * [6:5] set required down sampling rate if required | |
397 | * [4:3] set required audio source | |
398 | */ | |
6d865771 KM |
399 | switch (pdata->flags & HDMI_SRC_MASK) { |
400 | default: | |
401 | /* FALL THROUGH */ | |
402 | case HDMI_SRC_I2S: | |
403 | data = (0x0 << 3); | |
404 | break; | |
405 | case HDMI_SRC_SPDIF: | |
406 | data = (0x1 << 3); | |
407 | break; | |
408 | case HDMI_SRC_DSD: | |
409 | data = (0x2 << 3); | |
410 | break; | |
411 | case HDMI_SRC_HBR: | |
412 | data = (0x3 << 3); | |
413 | break; | |
414 | } | |
415 | hdmi_write(hdmi, data, HDMI_AUDIO_SETTING_1); | |
6011bdea GL |
416 | |
417 | /* [3:0] set sending channel number for channel status */ | |
418 | hdmi_write(hdmi, 0x40, HDMI_AUDIO_SETTING_2); | |
419 | ||
420 | /* | |
421 | * [5:2] set valid I2S source input pin | |
422 | * [1:0] set input I2S source mode | |
423 | */ | |
424 | hdmi_write(hdmi, 0x04, HDMI_I2S_AUDIO_SET); | |
425 | ||
426 | /* [7:4] set valid DSD source input pin */ | |
427 | hdmi_write(hdmi, 0x00, HDMI_DSD_AUDIO_SET); | |
428 | ||
429 | /* [7:0] set appropriate I2S input pin swap settings if required */ | |
430 | hdmi_write(hdmi, 0x00, HDMI_I2S_INPUT_PIN_SWAP); | |
431 | ||
432 | /* | |
433 | * [7] set validity bit for channel status | |
434 | * [3:0] set original sample frequency for channel status | |
435 | */ | |
436 | hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_1); | |
437 | ||
438 | /* | |
439 | * [7] set value for channel status | |
440 | * [6] set value for channel status | |
441 | * [5] set copyright bit for channel status | |
442 | * [4:2] set additional information for channel status | |
443 | * [1:0] set clock accuracy for channel status | |
444 | */ | |
445 | hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_2); | |
446 | ||
447 | /* [7:0] set category code for channel status */ | |
448 | hdmi_write(hdmi, 0x00, HDMI_CATEGORY_CODE); | |
449 | ||
450 | /* | |
451 | * [7:4] set source number for channel status | |
452 | * [3:0] set word length for channel status | |
453 | */ | |
454 | hdmi_write(hdmi, 0x00, HDMI_SOURCE_NUM_AUDIO_WORD_LEN); | |
455 | ||
456 | /* [7:4] set sample frequency for channel status */ | |
457 | hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1); | |
458 | } | |
459 | ||
460 | /** | |
461 | * sh_hdmi_phy_config() | |
462 | */ | |
463 | static void sh_hdmi_phy_config(struct sh_hdmi *hdmi) | |
464 | { | |
465 | /* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */ | |
466 | hdmi_write(hdmi, 0x19, HDMI_SLIPHDMIT_PARAM_SETTINGS_1); | |
467 | hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2); | |
468 | hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3); | |
469 | /* PLLA_CONFIG[7:0]: VCO gain, VCO offset, LPF resistance[0] */ | |
470 | hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5); | |
471 | hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6); | |
472 | hdmi_write(hdmi, 0x4A, HDMI_SLIPHDMIT_PARAM_SETTINGS_7); | |
473 | hdmi_write(hdmi, 0x0E, HDMI_SLIPHDMIT_PARAM_SETTINGS_8); | |
474 | hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9); | |
475 | hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10); | |
476 | } | |
477 | ||
478 | /** | |
479 | * sh_hdmi_avi_infoframe_setup() - Auxiliary Video Information InfoFrame CONTROL PACKET | |
480 | */ | |
481 | static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi) | |
482 | { | |
483 | /* AVI InfoFrame */ | |
484 | hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_INDEX); | |
485 | ||
486 | /* Packet Type = 0x82 */ | |
487 | hdmi_write(hdmi, 0x82, HDMI_CTRL_PKT_BUF_ACCESS_HB0); | |
488 | ||
489 | /* Version = 0x02 */ | |
490 | hdmi_write(hdmi, 0x02, HDMI_CTRL_PKT_BUF_ACCESS_HB1); | |
491 | ||
492 | /* Length = 13 (0x0D) */ | |
493 | hdmi_write(hdmi, 0x0D, HDMI_CTRL_PKT_BUF_ACCESS_HB2); | |
494 | ||
495 | /* N. A. Checksum */ | |
496 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0); | |
497 | ||
498 | /* | |
499 | * Y = RGB | |
500 | * A0 = No Data | |
501 | * B = Bar Data not valid | |
502 | * S = No Data | |
503 | */ | |
504 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1); | |
505 | ||
506 | /* | |
507 | * C = No Data | |
508 | * M = 16:9 Picture Aspect Ratio | |
509 | * R = Same as picture aspect ratio | |
510 | */ | |
511 | hdmi_write(hdmi, 0x28, HDMI_CTRL_PKT_BUF_ACCESS_PB2); | |
512 | ||
513 | /* | |
514 | * ITC = No Data | |
515 | * EC = xvYCC601 | |
516 | * Q = Default (depends on video format) | |
517 | * SC = No Known non_uniform Scaling | |
518 | */ | |
519 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3); | |
520 | ||
521 | /* | |
522 | * VIC = 1280 x 720p: ignored if external config is used | |
523 | * Send 2 for 720 x 480p, 16 for 1080p | |
524 | */ | |
525 | hdmi_write(hdmi, 4, HDMI_CTRL_PKT_BUF_ACCESS_PB4); | |
526 | ||
527 | /* PR = No Repetition */ | |
528 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5); | |
529 | ||
530 | /* Line Number of End of Top Bar (lower 8 bits) */ | |
531 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB6); | |
532 | ||
533 | /* Line Number of End of Top Bar (upper 8 bits) */ | |
534 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB7); | |
535 | ||
536 | /* Line Number of Start of Bottom Bar (lower 8 bits) */ | |
537 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB8); | |
538 | ||
539 | /* Line Number of Start of Bottom Bar (upper 8 bits) */ | |
540 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB9); | |
541 | ||
542 | /* Pixel Number of End of Left Bar (lower 8 bits) */ | |
543 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10); | |
544 | ||
545 | /* Pixel Number of End of Left Bar (upper 8 bits) */ | |
546 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB11); | |
547 | ||
548 | /* Pixel Number of Start of Right Bar (lower 8 bits) */ | |
549 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB12); | |
550 | ||
551 | /* Pixel Number of Start of Right Bar (upper 8 bits) */ | |
552 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB13); | |
553 | } | |
554 | ||
555 | /** | |
556 | * sh_hdmi_audio_infoframe_setup() - Audio InfoFrame of CONTROL PACKET | |
557 | */ | |
558 | static void sh_hdmi_audio_infoframe_setup(struct sh_hdmi *hdmi) | |
559 | { | |
560 | /* Audio InfoFrame */ | |
561 | hdmi_write(hdmi, 0x08, HDMI_CTRL_PKT_BUF_INDEX); | |
562 | ||
563 | /* Packet Type = 0x84 */ | |
564 | hdmi_write(hdmi, 0x84, HDMI_CTRL_PKT_BUF_ACCESS_HB0); | |
565 | ||
566 | /* Version Number = 0x01 */ | |
567 | hdmi_write(hdmi, 0x01, HDMI_CTRL_PKT_BUF_ACCESS_HB1); | |
568 | ||
569 | /* 0 Length = 10 (0x0A) */ | |
570 | hdmi_write(hdmi, 0x0A, HDMI_CTRL_PKT_BUF_ACCESS_HB2); | |
571 | ||
572 | /* n. a. Checksum */ | |
573 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0); | |
574 | ||
575 | /* Audio Channel Count = Refer to Stream Header */ | |
576 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1); | |
577 | ||
578 | /* Refer to Stream Header */ | |
579 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB2); | |
580 | ||
581 | /* Format depends on coding type (i.e. CT0...CT3) */ | |
582 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3); | |
583 | ||
584 | /* Speaker Channel Allocation = Front Right + Front Left */ | |
585 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB4); | |
586 | ||
587 | /* Level Shift Value = 0 dB, Down - mix is permitted or no information */ | |
588 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5); | |
589 | ||
590 | /* Reserved (0) */ | |
591 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB6); | |
592 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB7); | |
593 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB8); | |
594 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB9); | |
595 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10); | |
596 | } | |
597 | ||
598 | /** | |
599 | * sh_hdmi_gamut_metadata_setup() - Gamut Metadata Packet of CONTROL PACKET | |
600 | */ | |
601 | static void sh_hdmi_gamut_metadata_setup(struct sh_hdmi *hdmi) | |
602 | { | |
603 | int i; | |
604 | ||
605 | /* Gamut Metadata Packet */ | |
606 | hdmi_write(hdmi, 0x04, HDMI_CTRL_PKT_BUF_INDEX); | |
607 | ||
608 | /* Packet Type = 0x0A */ | |
609 | hdmi_write(hdmi, 0x0A, HDMI_CTRL_PKT_BUF_ACCESS_HB0); | |
610 | /* Gamut Packet is not used, so default value */ | |
611 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1); | |
612 | /* Gamut Packet is not used, so default value */ | |
613 | hdmi_write(hdmi, 0x10, HDMI_CTRL_PKT_BUF_ACCESS_HB2); | |
614 | ||
615 | /* GBD bytes 0 through 27 */ | |
616 | for (i = 0; i <= 27; i++) | |
617 | /* HDMI_CTRL_PKT_BUF_ACCESS_PB0_63H - PB27_7EH */ | |
618 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i); | |
619 | } | |
620 | ||
621 | /** | |
622 | * sh_hdmi_acp_setup() - Audio Content Protection Packet (ACP) | |
623 | */ | |
624 | static void sh_hdmi_acp_setup(struct sh_hdmi *hdmi) | |
625 | { | |
626 | int i; | |
627 | ||
628 | /* Audio Content Protection Packet (ACP) */ | |
629 | hdmi_write(hdmi, 0x01, HDMI_CTRL_PKT_BUF_INDEX); | |
630 | ||
631 | /* Packet Type = 0x04 */ | |
632 | hdmi_write(hdmi, 0x04, HDMI_CTRL_PKT_BUF_ACCESS_HB0); | |
633 | /* ACP_Type */ | |
634 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1); | |
635 | /* Reserved (0) */ | |
636 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2); | |
637 | ||
638 | /* GBD bytes 0 through 27 */ | |
639 | for (i = 0; i <= 27; i++) | |
640 | /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */ | |
641 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i); | |
642 | } | |
643 | ||
644 | /** | |
645 | * sh_hdmi_isrc1_setup() - ISRC1 Packet | |
646 | */ | |
647 | static void sh_hdmi_isrc1_setup(struct sh_hdmi *hdmi) | |
648 | { | |
649 | int i; | |
650 | ||
651 | /* ISRC1 Packet */ | |
652 | hdmi_write(hdmi, 0x02, HDMI_CTRL_PKT_BUF_INDEX); | |
653 | ||
654 | /* Packet Type = 0x05 */ | |
655 | hdmi_write(hdmi, 0x05, HDMI_CTRL_PKT_BUF_ACCESS_HB0); | |
656 | /* ISRC_Cont, ISRC_Valid, Reserved (0), ISRC_Status */ | |
657 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1); | |
658 | /* Reserved (0) */ | |
659 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2); | |
660 | ||
661 | /* PB0 UPC_EAN_ISRC_0-15 */ | |
662 | /* Bytes PB16-PB27 shall be set to a value of 0. */ | |
663 | for (i = 0; i <= 27; i++) | |
664 | /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */ | |
665 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i); | |
666 | } | |
667 | ||
668 | /** | |
669 | * sh_hdmi_isrc2_setup() - ISRC2 Packet | |
670 | */ | |
671 | static void sh_hdmi_isrc2_setup(struct sh_hdmi *hdmi) | |
672 | { | |
673 | int i; | |
674 | ||
675 | /* ISRC2 Packet */ | |
676 | hdmi_write(hdmi, 0x03, HDMI_CTRL_PKT_BUF_INDEX); | |
677 | ||
678 | /* HB0 Packet Type = 0x06 */ | |
679 | hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_ACCESS_HB0); | |
680 | /* Reserved (0) */ | |
681 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB1); | |
682 | /* Reserved (0) */ | |
683 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_HB2); | |
684 | ||
685 | /* PB0 UPC_EAN_ISRC_16-31 */ | |
686 | /* Bytes PB16-PB27 shall be set to a value of 0. */ | |
687 | for (i = 0; i <= 27; i++) | |
688 | /* HDMI_CTRL_PKT_BUF_ACCESS_PB0 - PB27 */ | |
689 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0 + i); | |
690 | } | |
691 | ||
692 | /** | |
693 | * sh_hdmi_configure() - Initialise HDMI for output | |
694 | */ | |
695 | static void sh_hdmi_configure(struct sh_hdmi *hdmi) | |
696 | { | |
697 | /* Configure video format */ | |
698 | sh_hdmi_video_config(hdmi); | |
699 | ||
700 | /* Configure audio format */ | |
701 | sh_hdmi_audio_config(hdmi); | |
702 | ||
703 | /* Configure PHY */ | |
704 | sh_hdmi_phy_config(hdmi); | |
705 | ||
706 | /* Auxiliary Video Information (AVI) InfoFrame */ | |
707 | sh_hdmi_avi_infoframe_setup(hdmi); | |
708 | ||
709 | /* Audio InfoFrame */ | |
710 | sh_hdmi_audio_infoframe_setup(hdmi); | |
711 | ||
712 | /* Gamut Metadata packet */ | |
713 | sh_hdmi_gamut_metadata_setup(hdmi); | |
714 | ||
715 | /* Audio Content Protection (ACP) Packet */ | |
716 | sh_hdmi_acp_setup(hdmi); | |
717 | ||
718 | /* ISRC1 Packet */ | |
719 | sh_hdmi_isrc1_setup(hdmi); | |
720 | ||
721 | /* ISRC2 Packet */ | |
722 | sh_hdmi_isrc2_setup(hdmi); | |
723 | ||
724 | /* | |
725 | * Control packet auto send with VSYNC control: auto send | |
726 | * General control, Gamut metadata, ISRC, and ACP packets | |
727 | */ | |
728 | hdmi_write(hdmi, 0x8E, HDMI_CTRL_PKT_AUTO_SEND); | |
729 | ||
730 | /* FIXME */ | |
731 | msleep(10); | |
732 | ||
733 | /* PS mode b->d, reset PLLA and PLLB */ | |
734 | hdmi_write(hdmi, 0x4C, HDMI_SYSTEM_CTRL); | |
735 | ||
736 | udelay(10); | |
737 | ||
738 | hdmi_write(hdmi, 0x40, HDMI_SYSTEM_CTRL); | |
739 | } | |
740 | ||
741 | static void sh_hdmi_read_edid(struct sh_hdmi *hdmi) | |
742 | { | |
743 | struct fb_var_screeninfo *var = &hdmi->var; | |
744 | struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; | |
745 | struct fb_videomode *lcd_cfg = &pdata->lcd_chan->lcd_cfg; | |
746 | unsigned long height = var->height, width = var->width; | |
747 | int i; | |
748 | u8 edid[128]; | |
749 | ||
750 | /* Read EDID */ | |
751 | pr_debug("Read back EDID code:"); | |
752 | for (i = 0; i < 128; i++) { | |
753 | edid[i] = hdmi_read(hdmi, HDMI_EDID_KSV_FIFO_ACCESS_WINDOW); | |
754 | #ifdef DEBUG | |
755 | if ((i % 16) == 0) { | |
756 | printk(KERN_CONT "\n"); | |
757 | printk(KERN_DEBUG "%02X | %02X", i, edid[i]); | |
758 | } else { | |
759 | printk(KERN_CONT " %02X", edid[i]); | |
760 | } | |
761 | #endif | |
762 | } | |
763 | #ifdef DEBUG | |
764 | printk(KERN_CONT "\n"); | |
765 | #endif | |
766 | fb_parse_edid(edid, var); | |
767 | pr_debug("%u-%u-%u-%u x %u-%u-%u-%u @ %lu kHz monitor detected\n", | |
768 | var->left_margin, var->xres, var->right_margin, var->hsync_len, | |
769 | var->upper_margin, var->yres, var->lower_margin, var->vsync_len, | |
770 | PICOS2KHZ(var->pixclock)); | |
771 | ||
772 | /* FIXME: Use user-provided configuration instead of EDID */ | |
773 | var->width = width; | |
774 | var->xres = lcd_cfg->xres; | |
775 | var->xres_virtual = lcd_cfg->xres; | |
776 | var->left_margin = lcd_cfg->left_margin; | |
777 | var->right_margin = lcd_cfg->right_margin; | |
778 | var->hsync_len = lcd_cfg->hsync_len; | |
779 | var->height = height; | |
780 | var->yres = lcd_cfg->yres; | |
781 | var->yres_virtual = lcd_cfg->yres * 2; | |
782 | var->upper_margin = lcd_cfg->upper_margin; | |
783 | var->lower_margin = lcd_cfg->lower_margin; | |
784 | var->vsync_len = lcd_cfg->vsync_len; | |
785 | var->sync = lcd_cfg->sync; | |
786 | var->pixclock = lcd_cfg->pixclock; | |
787 | ||
788 | hdmi_external_video_param(hdmi); | |
789 | } | |
790 | ||
791 | static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id) | |
792 | { | |
793 | struct sh_hdmi *hdmi = dev_id; | |
794 | u8 status1, status2, mask1, mask2; | |
795 | ||
796 | /* mode_b and PLLA and PLLB reset */ | |
797 | hdmi_write(hdmi, 0x2C, HDMI_SYSTEM_CTRL); | |
798 | ||
799 | /* How long shall reset be held? */ | |
800 | udelay(10); | |
801 | ||
802 | /* mode_b and PLLA and PLLB reset release */ | |
803 | hdmi_write(hdmi, 0x20, HDMI_SYSTEM_CTRL); | |
804 | ||
805 | status1 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_1); | |
806 | status2 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_2); | |
807 | ||
808 | mask1 = hdmi_read(hdmi, HDMI_INTERRUPT_MASK_1); | |
809 | mask2 = hdmi_read(hdmi, HDMI_INTERRUPT_MASK_2); | |
810 | ||
811 | /* Correct would be to ack only set bits, but the datasheet requires 0xff */ | |
812 | hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_1); | |
813 | hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_2); | |
814 | ||
815 | if (printk_ratelimit()) | |
816 | pr_debug("IRQ #%d: Status #1: 0x%x & 0x%x, #2: 0x%x & 0x%x\n", | |
817 | irq, status1, mask1, status2, mask2); | |
818 | ||
819 | if (!((status1 & mask1) | (status2 & mask2))) { | |
820 | return IRQ_NONE; | |
821 | } else if (status1 & 0xc0) { | |
822 | u8 msens; | |
823 | ||
824 | /* Datasheet specifies 10ms... */ | |
825 | udelay(500); | |
826 | ||
827 | msens = hdmi_read(hdmi, HDMI_HOT_PLUG_MSENS_STATUS); | |
828 | pr_debug("MSENS 0x%x\n", msens); | |
829 | /* Check, if hot plug & MSENS pin status are both high */ | |
830 | if ((msens & 0xC0) == 0xC0) { | |
831 | /* Display plug in */ | |
832 | hdmi->hp_state = HDMI_HOTPLUG_CONNECTED; | |
833 | ||
834 | /* Set EDID word address */ | |
835 | hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS); | |
836 | /* Set EDID segment pointer */ | |
837 | hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER); | |
838 | /* Enable EDID interrupt */ | |
839 | hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1); | |
840 | } else if (!(status1 & 0x80)) { | |
841 | /* Display unplug, beware multiple interrupts */ | |
842 | if (hdmi->hp_state != HDMI_HOTPLUG_DISCONNECTED) | |
843 | schedule_delayed_work(&hdmi->edid_work, 0); | |
844 | ||
845 | hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED; | |
846 | /* display_off will switch back to mode_a */ | |
847 | } | |
848 | } else if (status1 & 2) { | |
849 | /* EDID error interrupt: retry */ | |
850 | /* Set EDID word address */ | |
851 | hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS); | |
852 | /* Set EDID segment pointer */ | |
853 | hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER); | |
854 | } else if (status1 & 4) { | |
855 | /* Disable EDID interrupt */ | |
856 | hdmi_write(hdmi, 0xC0, HDMI_INTERRUPT_MASK_1); | |
857 | hdmi->hp_state = HDMI_HOTPLUG_EDID_DONE; | |
858 | schedule_delayed_work(&hdmi->edid_work, msecs_to_jiffies(10)); | |
859 | } | |
860 | ||
861 | return IRQ_HANDLED; | |
862 | } | |
863 | ||
864 | static void hdmi_display_on(void *arg, struct fb_info *info) | |
865 | { | |
866 | struct sh_hdmi *hdmi = arg; | |
867 | struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; | |
868 | ||
869 | if (info->var.xres != 1280 || info->var.yres != 720) { | |
870 | dev_warn(info->device, "Unsupported framebuffer geometry %ux%u\n", | |
871 | info->var.xres, info->var.yres); | |
872 | return; | |
873 | } | |
874 | ||
875 | pr_debug("%s(%p): state %x\n", __func__, pdata->lcd_dev, info->state); | |
876 | /* | |
877 | * FIXME: not a good place to store fb_info. And we cannot nullify it | |
878 | * even on monitor disconnect. What should the lifecycle be? | |
879 | */ | |
880 | hdmi->info = info; | |
881 | switch (hdmi->hp_state) { | |
882 | case HDMI_HOTPLUG_EDID_DONE: | |
883 | /* PS mode d->e. All functions are active */ | |
884 | hdmi_write(hdmi, 0x80, HDMI_SYSTEM_CTRL); | |
885 | pr_debug("HDMI running\n"); | |
886 | break; | |
887 | case HDMI_HOTPLUG_DISCONNECTED: | |
888 | info->state = FBINFO_STATE_SUSPENDED; | |
889 | default: | |
890 | hdmi->var = info->var; | |
891 | } | |
892 | } | |
893 | ||
894 | static void hdmi_display_off(void *arg) | |
895 | { | |
896 | struct sh_hdmi *hdmi = arg; | |
897 | struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; | |
898 | ||
899 | pr_debug("%s(%p)\n", __func__, pdata->lcd_dev); | |
900 | /* PS mode e->a */ | |
901 | hdmi_write(hdmi, 0x10, HDMI_SYSTEM_CTRL); | |
902 | } | |
903 | ||
904 | /* Hotplug interrupt occurred, read EDID */ | |
905 | static void edid_work_fn(struct work_struct *work) | |
906 | { | |
907 | struct sh_hdmi *hdmi = container_of(work, struct sh_hdmi, edid_work.work); | |
908 | struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; | |
909 | ||
910 | pr_debug("%s(%p): begin, hotplug status %d\n", __func__, | |
911 | pdata->lcd_dev, hdmi->hp_state); | |
912 | ||
913 | if (!pdata->lcd_dev) | |
914 | return; | |
915 | ||
916 | if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) { | |
917 | pm_runtime_get_sync(hdmi->dev); | |
918 | /* A device has been plugged in */ | |
919 | sh_hdmi_read_edid(hdmi); | |
920 | msleep(10); | |
921 | sh_hdmi_configure(hdmi); | |
922 | /* Switched to another (d) power-save mode */ | |
923 | msleep(10); | |
924 | ||
925 | if (!hdmi->info) | |
926 | return; | |
927 | ||
928 | acquire_console_sem(); | |
929 | ||
930 | /* HDMI plug in */ | |
931 | hdmi->info->var = hdmi->var; | |
932 | if (hdmi->info->state != FBINFO_STATE_RUNNING) | |
933 | fb_set_suspend(hdmi->info, 0); | |
934 | else | |
935 | hdmi_display_on(hdmi, hdmi->info); | |
936 | ||
937 | release_console_sem(); | |
938 | } else { | |
939 | if (!hdmi->info) | |
940 | return; | |
941 | ||
942 | acquire_console_sem(); | |
943 | ||
944 | /* HDMI disconnect */ | |
945 | fb_set_suspend(hdmi->info, 1); | |
946 | ||
947 | release_console_sem(); | |
948 | pm_runtime_put(hdmi->dev); | |
949 | } | |
950 | ||
951 | pr_debug("%s(%p): end\n", __func__, pdata->lcd_dev); | |
952 | } | |
953 | ||
954 | static int __init sh_hdmi_probe(struct platform_device *pdev) | |
955 | { | |
956 | struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data; | |
957 | struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
958 | int irq = platform_get_irq(pdev, 0), ret; | |
959 | struct sh_hdmi *hdmi; | |
960 | long rate; | |
961 | ||
962 | if (!res || !pdata || irq < 0) | |
963 | return -ENODEV; | |
964 | ||
965 | hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); | |
966 | if (!hdmi) { | |
967 | dev_err(&pdev->dev, "Cannot allocate device data\n"); | |
968 | return -ENOMEM; | |
969 | } | |
970 | ||
1d6be338 KM |
971 | ret = snd_soc_register_codec(&pdev->dev, |
972 | &soc_codec_dev_sh_hdmi, &sh_hdmi_dai, 1); | |
973 | if (ret < 0) | |
974 | goto egetclk; | |
975 | ||
6011bdea GL |
976 | hdmi->dev = &pdev->dev; |
977 | ||
978 | hdmi->hdmi_clk = clk_get(&pdev->dev, "ick"); | |
979 | if (IS_ERR(hdmi->hdmi_clk)) { | |
980 | ret = PTR_ERR(hdmi->hdmi_clk); | |
981 | dev_err(&pdev->dev, "Unable to get clock: %d\n", ret); | |
982 | goto egetclk; | |
983 | } | |
984 | ||
985 | rate = PICOS2KHZ(pdata->lcd_chan->lcd_cfg.pixclock) * 1000; | |
986 | ||
987 | rate = clk_round_rate(hdmi->hdmi_clk, rate); | |
988 | if (rate < 0) { | |
989 | ret = rate; | |
990 | dev_err(&pdev->dev, "Cannot get suitable rate: %ld\n", rate); | |
991 | goto erate; | |
992 | } | |
993 | ||
994 | ret = clk_set_rate(hdmi->hdmi_clk, rate); | |
995 | if (ret < 0) { | |
996 | dev_err(&pdev->dev, "Cannot set rate %ld: %d\n", rate, ret); | |
997 | goto erate; | |
998 | } | |
999 | ||
1000 | pr_debug("HDMI set frequency %lu\n", rate); | |
1001 | ||
1002 | ret = clk_enable(hdmi->hdmi_clk); | |
1003 | if (ret < 0) { | |
1004 | dev_err(&pdev->dev, "Cannot enable clock: %d\n", ret); | |
1005 | goto eclkenable; | |
1006 | } | |
1007 | ||
1008 | dev_info(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate); | |
1009 | ||
1010 | if (!request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev))) { | |
1011 | dev_err(&pdev->dev, "HDMI register region already claimed\n"); | |
1012 | ret = -EBUSY; | |
1013 | goto ereqreg; | |
1014 | } | |
1015 | ||
1016 | hdmi->base = ioremap(res->start, resource_size(res)); | |
1017 | if (!hdmi->base) { | |
1018 | dev_err(&pdev->dev, "HDMI register region already claimed\n"); | |
1019 | ret = -ENOMEM; | |
1020 | goto emap; | |
1021 | } | |
1022 | ||
1023 | platform_set_drvdata(pdev, hdmi); | |
1024 | ||
1025 | #if 1 | |
1026 | /* Product and revision IDs are 0 in sh-mobile version */ | |
1027 | dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n", | |
1028 | hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID)); | |
1029 | #endif | |
1030 | ||
1031 | /* Set up LCDC callbacks */ | |
1032 | pdata->lcd_chan->board_cfg.board_data = hdmi; | |
1033 | pdata->lcd_chan->board_cfg.display_on = hdmi_display_on; | |
1034 | pdata->lcd_chan->board_cfg.display_off = hdmi_display_off; | |
1035 | ||
1036 | INIT_DELAYED_WORK(&hdmi->edid_work, edid_work_fn); | |
1037 | ||
1038 | pm_runtime_enable(&pdev->dev); | |
1039 | pm_runtime_resume(&pdev->dev); | |
1040 | ||
1041 | ret = request_irq(irq, sh_hdmi_hotplug, 0, | |
1042 | dev_name(&pdev->dev), hdmi); | |
1043 | if (ret < 0) { | |
1044 | dev_err(&pdev->dev, "Unable to request irq: %d\n", ret); | |
1045 | goto ereqirq; | |
1046 | } | |
1047 | ||
1048 | return 0; | |
1049 | ||
1050 | ereqirq: | |
1051 | pm_runtime_disable(&pdev->dev); | |
1052 | iounmap(hdmi->base); | |
1053 | emap: | |
1054 | release_mem_region(res->start, resource_size(res)); | |
1055 | ereqreg: | |
1056 | clk_disable(hdmi->hdmi_clk); | |
1057 | eclkenable: | |
1058 | erate: | |
1059 | clk_put(hdmi->hdmi_clk); | |
1060 | egetclk: | |
1061 | kfree(hdmi); | |
1062 | ||
1063 | return ret; | |
1064 | } | |
1065 | ||
1066 | static int __exit sh_hdmi_remove(struct platform_device *pdev) | |
1067 | { | |
1068 | struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data; | |
1069 | struct sh_hdmi *hdmi = platform_get_drvdata(pdev); | |
1070 | struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
1071 | int irq = platform_get_irq(pdev, 0); | |
1072 | ||
1d6be338 KM |
1073 | snd_soc_unregister_codec(&pdev->dev); |
1074 | ||
6011bdea GL |
1075 | pdata->lcd_chan->board_cfg.display_on = NULL; |
1076 | pdata->lcd_chan->board_cfg.display_off = NULL; | |
1077 | pdata->lcd_chan->board_cfg.board_data = NULL; | |
1078 | ||
1079 | free_irq(irq, hdmi); | |
1080 | pm_runtime_disable(&pdev->dev); | |
1081 | cancel_delayed_work_sync(&hdmi->edid_work); | |
1082 | clk_disable(hdmi->hdmi_clk); | |
1083 | clk_put(hdmi->hdmi_clk); | |
1084 | iounmap(hdmi->base); | |
1085 | release_mem_region(res->start, resource_size(res)); | |
1086 | kfree(hdmi); | |
1087 | ||
1088 | return 0; | |
1089 | } | |
1090 | ||
1091 | static struct platform_driver sh_hdmi_driver = { | |
1092 | .remove = __exit_p(sh_hdmi_remove), | |
1093 | .driver = { | |
1094 | .name = "sh-mobile-hdmi", | |
1095 | }, | |
1096 | }; | |
1097 | ||
1098 | static int __init sh_hdmi_init(void) | |
1099 | { | |
1100 | return platform_driver_probe(&sh_hdmi_driver, sh_hdmi_probe); | |
1101 | } | |
1102 | module_init(sh_hdmi_init); | |
1103 | ||
1104 | static void __exit sh_hdmi_exit(void) | |
1105 | { | |
1106 | platform_driver_unregister(&sh_hdmi_driver); | |
1107 | } | |
1108 | module_exit(sh_hdmi_exit); | |
1109 | ||
1110 | MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); | |
1111 | MODULE_DESCRIPTION("SuperH / ARM-shmobile HDMI driver"); | |
1112 | MODULE_LICENSE("GPL v2"); |