Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 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> |
Kuninori Morimoto | 644a984 | 2010-12-27 13:42:20 +0900 | [diff] [blame] | 25 | #include <sound/soc.h> |
Kuninori Morimoto | 1d6be33 | 2010-08-31 14:47:07 +0900 | [diff] [blame] | 26 | #include <sound/soc-dapm.h> |
| 27 | #include <sound/initval.h> |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 28 | |
| 29 | #include <video/sh_mobile_hdmi.h> |
| 30 | #include <video/sh_mobile_lcdc.h> |
| 31 | |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 32 | #include "sh_mobile_lcdcfb.h" |
| 33 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 34 | #define HDMI_SYSTEM_CTRL 0x00 /* System control */ |
| 35 | #define HDMI_L_R_DATA_SWAP_CTRL_RPKT 0x01 /* L/R data swap control, |
| 36 | bits 19..16 of 20-bit N for Audio Clock Regeneration packet */ |
| 37 | #define HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8 0x02 /* bits 15..8 of 20-bit N for Audio Clock Regeneration packet */ |
| 38 | #define HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0 0x03 /* bits 7..0 of 20-bit N for Audio Clock Regeneration packet */ |
| 39 | #define HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS 0x04 /* SPDIF audio sampling frequency, |
| 40 | bits 19..16 of Internal CTS */ |
| 41 | #define HDMI_INTERNAL_CTS_15_8 0x05 /* bits 15..8 of Internal CTS */ |
| 42 | #define HDMI_INTERNAL_CTS_7_0 0x06 /* bits 7..0 of Internal CTS */ |
| 43 | #define HDMI_EXTERNAL_CTS_19_16 0x07 /* External CTS */ |
| 44 | #define HDMI_EXTERNAL_CTS_15_8 0x08 /* External CTS */ |
| 45 | #define HDMI_EXTERNAL_CTS_7_0 0x09 /* External CTS */ |
| 46 | #define HDMI_AUDIO_SETTING_1 0x0A /* Audio setting.1 */ |
| 47 | #define HDMI_AUDIO_SETTING_2 0x0B /* Audio setting.2 */ |
| 48 | #define HDMI_I2S_AUDIO_SET 0x0C /* I2S audio setting */ |
| 49 | #define HDMI_DSD_AUDIO_SET 0x0D /* DSD audio setting */ |
| 50 | #define HDMI_DEBUG_MONITOR_1 0x0E /* Debug monitor.1 */ |
| 51 | #define HDMI_DEBUG_MONITOR_2 0x0F /* Debug monitor.2 */ |
| 52 | #define HDMI_I2S_INPUT_PIN_SWAP 0x10 /* I2S input pin swap */ |
| 53 | #define HDMI_AUDIO_STATUS_BITS_SETTING_1 0x11 /* Audio status bits setting.1 */ |
| 54 | #define HDMI_AUDIO_STATUS_BITS_SETTING_2 0x12 /* Audio status bits setting.2 */ |
| 55 | #define HDMI_CATEGORY_CODE 0x13 /* Category code */ |
| 56 | #define HDMI_SOURCE_NUM_AUDIO_WORD_LEN 0x14 /* Source number/Audio word length */ |
| 57 | #define HDMI_AUDIO_VIDEO_SETTING_1 0x15 /* Audio/Video setting.1 */ |
| 58 | #define HDMI_VIDEO_SETTING_1 0x16 /* Video setting.1 */ |
| 59 | #define HDMI_DEEP_COLOR_MODES 0x17 /* Deep Color Modes */ |
| 60 | |
| 61 | /* 12 16- and 10-bit Color space conversion parameters: 0x18..0x2f */ |
| 62 | #define HDMI_COLOR_SPACE_CONVERSION_PARAMETERS 0x18 |
| 63 | |
| 64 | #define HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS 0x30 /* External video parameter settings */ |
| 65 | #define HDMI_EXTERNAL_H_TOTAL_7_0 0x31 /* External horizontal total (LSB) */ |
| 66 | #define HDMI_EXTERNAL_H_TOTAL_11_8 0x32 /* External horizontal total (MSB) */ |
| 67 | #define HDMI_EXTERNAL_H_BLANK_7_0 0x33 /* External horizontal blank (LSB) */ |
| 68 | #define HDMI_EXTERNAL_H_BLANK_9_8 0x34 /* External horizontal blank (MSB) */ |
| 69 | #define HDMI_EXTERNAL_H_DELAY_7_0 0x35 /* External horizontal delay (LSB) */ |
| 70 | #define HDMI_EXTERNAL_H_DELAY_9_8 0x36 /* External horizontal delay (MSB) */ |
| 71 | #define HDMI_EXTERNAL_H_DURATION_7_0 0x37 /* External horizontal duration (LSB) */ |
| 72 | #define HDMI_EXTERNAL_H_DURATION_9_8 0x38 /* External horizontal duration (MSB) */ |
| 73 | #define HDMI_EXTERNAL_V_TOTAL_7_0 0x39 /* External vertical total (LSB) */ |
| 74 | #define HDMI_EXTERNAL_V_TOTAL_9_8 0x3A /* External vertical total (MSB) */ |
| 75 | #define HDMI_AUDIO_VIDEO_SETTING_2 0x3B /* Audio/Video setting.2 */ |
| 76 | #define HDMI_EXTERNAL_V_BLANK 0x3D /* External vertical blank */ |
| 77 | #define HDMI_EXTERNAL_V_DELAY 0x3E /* External vertical delay */ |
| 78 | #define HDMI_EXTERNAL_V_DURATION 0x3F /* External vertical duration */ |
| 79 | #define HDMI_CTRL_PKT_MANUAL_SEND_CONTROL 0x40 /* Control packet manual send control */ |
| 80 | #define HDMI_CTRL_PKT_AUTO_SEND 0x41 /* Control packet auto send with VSYNC control */ |
| 81 | #define HDMI_AUTO_CHECKSUM_OPTION 0x42 /* Auto checksum option */ |
| 82 | #define HDMI_VIDEO_SETTING_2 0x45 /* Video setting.2 */ |
| 83 | #define HDMI_OUTPUT_OPTION 0x46 /* Output option */ |
| 84 | #define HDMI_SLIPHDMIT_PARAM_OPTION 0x51 /* SLIPHDMIT parameter option */ |
| 85 | #define HDMI_HSYNC_PMENT_AT_EMB_7_0 0x52 /* HSYNC placement at embedded sync (LSB) */ |
| 86 | #define HDMI_HSYNC_PMENT_AT_EMB_15_8 0x53 /* HSYNC placement at embedded sync (MSB) */ |
| 87 | #define HDMI_VSYNC_PMENT_AT_EMB_7_0 0x54 /* VSYNC placement at embedded sync (LSB) */ |
| 88 | #define HDMI_VSYNC_PMENT_AT_EMB_14_8 0x55 /* VSYNC placement at embedded sync (MSB) */ |
| 89 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_1 0x56 /* SLIPHDMIT parameter settings.1 */ |
| 90 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_2 0x57 /* SLIPHDMIT parameter settings.2 */ |
| 91 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_3 0x58 /* SLIPHDMIT parameter settings.3 */ |
| 92 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_5 0x59 /* SLIPHDMIT parameter settings.5 */ |
| 93 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_6 0x5A /* SLIPHDMIT parameter settings.6 */ |
| 94 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_7 0x5B /* SLIPHDMIT parameter settings.7 */ |
| 95 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_8 0x5C /* SLIPHDMIT parameter settings.8 */ |
| 96 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_9 0x5D /* SLIPHDMIT parameter settings.9 */ |
| 97 | #define HDMI_SLIPHDMIT_PARAM_SETTINGS_10 0x5E /* SLIPHDMIT parameter settings.10 */ |
| 98 | #define HDMI_CTRL_PKT_BUF_INDEX 0x5F /* Control packet buffer index */ |
| 99 | #define HDMI_CTRL_PKT_BUF_ACCESS_HB0 0x60 /* Control packet data buffer access window - HB0 */ |
| 100 | #define HDMI_CTRL_PKT_BUF_ACCESS_HB1 0x61 /* Control packet data buffer access window - HB1 */ |
| 101 | #define HDMI_CTRL_PKT_BUF_ACCESS_HB2 0x62 /* Control packet data buffer access window - HB2 */ |
| 102 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB0 0x63 /* Control packet data buffer access window - PB0 */ |
| 103 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB1 0x64 /* Control packet data buffer access window - PB1 */ |
| 104 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB2 0x65 /* Control packet data buffer access window - PB2 */ |
| 105 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB3 0x66 /* Control packet data buffer access window - PB3 */ |
| 106 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB4 0x67 /* Control packet data buffer access window - PB4 */ |
| 107 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB5 0x68 /* Control packet data buffer access window - PB5 */ |
| 108 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB6 0x69 /* Control packet data buffer access window - PB6 */ |
| 109 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB7 0x6A /* Control packet data buffer access window - PB7 */ |
| 110 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB8 0x6B /* Control packet data buffer access window - PB8 */ |
| 111 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB9 0x6C /* Control packet data buffer access window - PB9 */ |
| 112 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB10 0x6D /* Control packet data buffer access window - PB10 */ |
| 113 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB11 0x6E /* Control packet data buffer access window - PB11 */ |
| 114 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB12 0x6F /* Control packet data buffer access window - PB12 */ |
| 115 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB13 0x70 /* Control packet data buffer access window - PB13 */ |
| 116 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB14 0x71 /* Control packet data buffer access window - PB14 */ |
| 117 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB15 0x72 /* Control packet data buffer access window - PB15 */ |
| 118 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB16 0x73 /* Control packet data buffer access window - PB16 */ |
| 119 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB17 0x74 /* Control packet data buffer access window - PB17 */ |
| 120 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB18 0x75 /* Control packet data buffer access window - PB18 */ |
| 121 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB19 0x76 /* Control packet data buffer access window - PB19 */ |
| 122 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB20 0x77 /* Control packet data buffer access window - PB20 */ |
| 123 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB21 0x78 /* Control packet data buffer access window - PB21 */ |
| 124 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB22 0x79 /* Control packet data buffer access window - PB22 */ |
| 125 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB23 0x7A /* Control packet data buffer access window - PB23 */ |
| 126 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB24 0x7B /* Control packet data buffer access window - PB24 */ |
| 127 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB25 0x7C /* Control packet data buffer access window - PB25 */ |
| 128 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB26 0x7D /* Control packet data buffer access window - PB26 */ |
| 129 | #define HDMI_CTRL_PKT_BUF_ACCESS_PB27 0x7E /* Control packet data buffer access window - PB27 */ |
| 130 | #define HDMI_EDID_KSV_FIFO_ACCESS_WINDOW 0x80 /* EDID/KSV FIFO access window */ |
| 131 | #define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_7_0 0x81 /* DDC bus access frequency control (LSB) */ |
| 132 | #define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_15_8 0x82 /* DDC bus access frequency control (MSB) */ |
| 133 | #define HDMI_INTERRUPT_MASK_1 0x92 /* Interrupt mask.1 */ |
| 134 | #define HDMI_INTERRUPT_MASK_2 0x93 /* Interrupt mask.2 */ |
| 135 | #define HDMI_INTERRUPT_STATUS_1 0x94 /* Interrupt status.1 */ |
| 136 | #define HDMI_INTERRUPT_STATUS_2 0x95 /* Interrupt status.2 */ |
| 137 | #define HDMI_INTERRUPT_MASK_3 0x96 /* Interrupt mask.3 */ |
| 138 | #define HDMI_INTERRUPT_MASK_4 0x97 /* Interrupt mask.4 */ |
| 139 | #define HDMI_INTERRUPT_STATUS_3 0x98 /* Interrupt status.3 */ |
| 140 | #define HDMI_INTERRUPT_STATUS_4 0x99 /* Interrupt status.4 */ |
| 141 | #define HDMI_SOFTWARE_HDCP_CONTROL_1 0x9A /* Software HDCP control.1 */ |
| 142 | #define HDMI_FRAME_COUNTER 0x9C /* Frame counter */ |
| 143 | #define HDMI_FRAME_COUNTER_FOR_RI_CHECK 0x9D /* Frame counter for Ri check */ |
| 144 | #define HDMI_HDCP_CONTROL 0xAF /* HDCP control */ |
| 145 | #define HDMI_RI_FRAME_COUNT_REGISTER 0xB2 /* Ri frame count register */ |
| 146 | #define HDMI_DDC_BUS_CONTROL 0xB7 /* DDC bus control */ |
| 147 | #define HDMI_HDCP_STATUS 0xB8 /* HDCP status */ |
| 148 | #define HDMI_SHA0 0xB9 /* sha0 */ |
| 149 | #define HDMI_SHA1 0xBA /* sha1 */ |
| 150 | #define HDMI_SHA2 0xBB /* sha2 */ |
| 151 | #define HDMI_SHA3 0xBC /* sha3 */ |
| 152 | #define HDMI_SHA4 0xBD /* sha4 */ |
| 153 | #define HDMI_BCAPS_READ 0xBE /* BCAPS read / debug */ |
| 154 | #define HDMI_AKSV_BKSV_7_0_MONITOR 0xBF /* AKSV/BKSV[7:0] monitor */ |
| 155 | #define HDMI_AKSV_BKSV_15_8_MONITOR 0xC0 /* AKSV/BKSV[15:8] monitor */ |
| 156 | #define HDMI_AKSV_BKSV_23_16_MONITOR 0xC1 /* AKSV/BKSV[23:16] monitor */ |
| 157 | #define HDMI_AKSV_BKSV_31_24_MONITOR 0xC2 /* AKSV/BKSV[31:24] monitor */ |
| 158 | #define HDMI_AKSV_BKSV_39_32_MONITOR 0xC3 /* AKSV/BKSV[39:32] monitor */ |
| 159 | #define HDMI_EDID_SEGMENT_POINTER 0xC4 /* EDID segment pointer */ |
| 160 | #define HDMI_EDID_WORD_ADDRESS 0xC5 /* EDID word address */ |
| 161 | #define HDMI_EDID_DATA_FIFO_ADDRESS 0xC6 /* EDID data FIFO address */ |
| 162 | #define HDMI_NUM_OF_HDMI_DEVICES 0xC7 /* Number of HDMI devices */ |
| 163 | #define HDMI_HDCP_ERROR_CODE 0xC8 /* HDCP error code */ |
| 164 | #define HDMI_100MS_TIMER_SET 0xC9 /* 100ms timer setting */ |
| 165 | #define HDMI_5SEC_TIMER_SET 0xCA /* 5sec timer setting */ |
| 166 | #define HDMI_RI_READ_COUNT 0xCB /* Ri read count */ |
| 167 | #define HDMI_AN_SEED 0xCC /* An seed */ |
| 168 | #define HDMI_MAX_NUM_OF_RCIVRS_ALLOWED 0xCD /* Maximum number of receivers allowed */ |
| 169 | #define HDMI_HDCP_MEMORY_ACCESS_CONTROL_1 0xCE /* HDCP memory access control.1 */ |
| 170 | #define HDMI_HDCP_MEMORY_ACCESS_CONTROL_2 0xCF /* HDCP memory access control.2 */ |
| 171 | #define HDMI_HDCP_CONTROL_2 0xD0 /* HDCP Control 2 */ |
| 172 | #define HDMI_HDCP_KEY_MEMORY_CONTROL 0xD2 /* HDCP Key Memory Control */ |
| 173 | #define HDMI_COLOR_SPACE_CONV_CONFIG_1 0xD3 /* Color space conversion configuration.1 */ |
| 174 | #define HDMI_VIDEO_SETTING_3 0xD4 /* Video setting.3 */ |
| 175 | #define HDMI_RI_7_0 0xD5 /* Ri[7:0] */ |
| 176 | #define HDMI_RI_15_8 0xD6 /* Ri[15:8] */ |
| 177 | #define HDMI_PJ 0xD7 /* Pj */ |
| 178 | #define HDMI_SHA_RD 0xD8 /* sha_rd */ |
| 179 | #define HDMI_RI_7_0_SAVED 0xD9 /* Ri[7:0] saved */ |
| 180 | #define HDMI_RI_15_8_SAVED 0xDA /* Ri[15:8] saved */ |
| 181 | #define HDMI_PJ_SAVED 0xDB /* Pj saved */ |
| 182 | #define HDMI_NUM_OF_DEVICES 0xDC /* Number of devices */ |
| 183 | #define HDMI_HOT_PLUG_MSENS_STATUS 0xDF /* Hot plug/MSENS status */ |
| 184 | #define HDMI_BCAPS_WRITE 0xE0 /* bcaps */ |
| 185 | #define HDMI_BSTAT_7_0 0xE1 /* bstat[7:0] */ |
| 186 | #define HDMI_BSTAT_15_8 0xE2 /* bstat[15:8] */ |
| 187 | #define HDMI_BKSV_7_0 0xE3 /* bksv[7:0] */ |
| 188 | #define HDMI_BKSV_15_8 0xE4 /* bksv[15:8] */ |
| 189 | #define HDMI_BKSV_23_16 0xE5 /* bksv[23:16] */ |
| 190 | #define HDMI_BKSV_31_24 0xE6 /* bksv[31:24] */ |
| 191 | #define HDMI_BKSV_39_32 0xE7 /* bksv[39:32] */ |
| 192 | #define HDMI_AN_7_0 0xE8 /* An[7:0] */ |
| 193 | #define HDMI_AN_15_8 0xE9 /* An [15:8] */ |
| 194 | #define HDMI_AN_23_16 0xEA /* An [23:16] */ |
| 195 | #define HDMI_AN_31_24 0xEB /* An [31:24] */ |
| 196 | #define HDMI_AN_39_32 0xEC /* An [39:32] */ |
| 197 | #define HDMI_AN_47_40 0xED /* An [47:40] */ |
| 198 | #define HDMI_AN_55_48 0xEE /* An [55:48] */ |
| 199 | #define HDMI_AN_63_56 0xEF /* An [63:56] */ |
| 200 | #define HDMI_PRODUCT_ID 0xF0 /* Product ID */ |
| 201 | #define HDMI_REVISION_ID 0xF1 /* Revision ID */ |
| 202 | #define HDMI_TEST_MODE 0xFE /* Test mode */ |
| 203 | |
| 204 | enum hotplug_state { |
| 205 | HDMI_HOTPLUG_DISCONNECTED, |
| 206 | HDMI_HOTPLUG_CONNECTED, |
| 207 | HDMI_HOTPLUG_EDID_DONE, |
| 208 | }; |
| 209 | |
| 210 | struct sh_hdmi { |
| 211 | void __iomem *base; |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 212 | enum hotplug_state hp_state; /* hot-plug status */ |
Guennadi Liakhovetski | 0ea2af1 | 2010-11-04 11:06:17 +0000 | [diff] [blame] | 213 | u8 preprogrammed_vic; /* use a pre-programmed VIC or |
| 214 | the external mode */ |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 215 | u8 edid_block_addr; |
| 216 | u8 edid_segment_nr; |
| 217 | u8 edid_blocks; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 218 | struct clk *hdmi_clk; |
| 219 | struct device *dev; |
| 220 | struct fb_info *info; |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 221 | struct mutex mutex; /* Protect the info pointer */ |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 222 | struct delayed_work edid_work; |
| 223 | struct fb_var_screeninfo var; |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 224 | struct fb_monspecs monspec; |
Guennadi Liakhovetski | eb0778b | 2011-01-07 11:57:59 +0000 | [diff] [blame] | 225 | struct notifier_block notifier; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 226 | }; |
| 227 | |
Laurent Pinchart | 12ee250 | 2011-11-24 11:53:47 +0100 | [diff] [blame] | 228 | #define notifier_to_hdmi(n) container_of(n, struct sh_hdmi, notifier) |
| 229 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 230 | static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg) |
| 231 | { |
| 232 | iowrite8(data, hdmi->base + reg); |
| 233 | } |
| 234 | |
| 235 | static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg) |
| 236 | { |
| 237 | return ioread8(hdmi->base + reg); |
| 238 | } |
| 239 | |
Kuninori Morimoto | f4363b7 | 2010-09-09 11:47:49 +0900 | [diff] [blame] | 240 | /* |
| 241 | * HDMI sound |
| 242 | */ |
Kuninori Morimoto | 1d6be33 | 2010-08-31 14:47:07 +0900 | [diff] [blame] | 243 | static unsigned int sh_hdmi_snd_read(struct snd_soc_codec *codec, |
| 244 | unsigned int reg) |
| 245 | { |
| 246 | struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec); |
| 247 | |
| 248 | return hdmi_read(hdmi, reg); |
| 249 | } |
| 250 | |
| 251 | static int sh_hdmi_snd_write(struct snd_soc_codec *codec, |
| 252 | unsigned int reg, |
| 253 | unsigned int value) |
| 254 | { |
| 255 | struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec); |
| 256 | |
| 257 | hdmi_write(hdmi, value, reg); |
| 258 | return 0; |
| 259 | } |
| 260 | |
| 261 | static struct snd_soc_dai_driver sh_hdmi_dai = { |
| 262 | .name = "sh_mobile_hdmi-hifi", |
| 263 | .playback = { |
| 264 | .stream_name = "Playback", |
Kuninori Morimoto | 17731f8 | 2010-09-09 11:48:10 +0900 | [diff] [blame] | 265 | .channels_min = 2, |
| 266 | .channels_max = 8, |
| 267 | .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | |
| 268 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | |
| 269 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 | |
| 270 | SNDRV_PCM_RATE_192000, |
Kuninori Morimoto | 1d6be33 | 2010-08-31 14:47:07 +0900 | [diff] [blame] | 271 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
| 272 | }, |
| 273 | }; |
| 274 | |
| 275 | static int sh_hdmi_snd_probe(struct snd_soc_codec *codec) |
| 276 | { |
| 277 | dev_info(codec->dev, "SH Mobile HDMI Audio Codec"); |
| 278 | |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | static struct snd_soc_codec_driver soc_codec_dev_sh_hdmi = { |
| 283 | .probe = sh_hdmi_snd_probe, |
| 284 | .read = sh_hdmi_snd_read, |
| 285 | .write = sh_hdmi_snd_write, |
| 286 | }; |
| 287 | |
Kuninori Morimoto | f4363b7 | 2010-09-09 11:47:49 +0900 | [diff] [blame] | 288 | /* |
| 289 | * HDMI video |
| 290 | */ |
Kuninori Morimoto | 1d6be33 | 2010-08-31 14:47:07 +0900 | [diff] [blame] | 291 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 292 | /* External video parameter settings */ |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 293 | static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi) |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 294 | { |
| 295 | struct fb_var_screeninfo *var = &hdmi->var; |
| 296 | u16 htotal, hblank, hdelay, vtotal, vblank, vdelay, voffset; |
| 297 | u8 sync = 0; |
| 298 | |
| 299 | htotal = var->xres + var->right_margin + var->left_margin + var->hsync_len; |
| 300 | |
| 301 | hdelay = var->hsync_len + var->left_margin; |
| 302 | hblank = var->right_margin + hdelay; |
| 303 | |
| 304 | /* |
| 305 | * Vertical timing looks a bit different in Figure 18, |
| 306 | * but let's try the same first by setting offset = 0 |
| 307 | */ |
| 308 | vtotal = var->yres + var->upper_margin + var->lower_margin + var->vsync_len; |
| 309 | |
| 310 | vdelay = var->vsync_len + var->upper_margin; |
| 311 | vblank = var->lower_margin + vdelay; |
| 312 | voffset = min(var->upper_margin / 2, 6U); |
| 313 | |
| 314 | /* |
| 315 | * [3]: VSYNC polarity: Positive |
| 316 | * [2]: HSYNC polarity: Positive |
| 317 | * [1]: Interlace/Progressive: Progressive |
| 318 | * [0]: External video settings enable: used. |
| 319 | */ |
| 320 | if (var->sync & FB_SYNC_HOR_HIGH_ACT) |
| 321 | sync |= 4; |
| 322 | if (var->sync & FB_SYNC_VERT_HIGH_ACT) |
| 323 | sync |= 8; |
| 324 | |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 325 | dev_dbg(hdmi->dev, "H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n", |
| 326 | htotal, hblank, hdelay, var->hsync_len, |
| 327 | vtotal, vblank, vdelay, var->vsync_len, sync); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 328 | |
| 329 | hdmi_write(hdmi, sync | (voffset << 4), HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS); |
| 330 | |
| 331 | hdmi_write(hdmi, htotal, HDMI_EXTERNAL_H_TOTAL_7_0); |
| 332 | hdmi_write(hdmi, htotal >> 8, HDMI_EXTERNAL_H_TOTAL_11_8); |
| 333 | |
| 334 | hdmi_write(hdmi, hblank, HDMI_EXTERNAL_H_BLANK_7_0); |
| 335 | hdmi_write(hdmi, hblank >> 8, HDMI_EXTERNAL_H_BLANK_9_8); |
| 336 | |
| 337 | hdmi_write(hdmi, hdelay, HDMI_EXTERNAL_H_DELAY_7_0); |
| 338 | hdmi_write(hdmi, hdelay >> 8, HDMI_EXTERNAL_H_DELAY_9_8); |
| 339 | |
| 340 | hdmi_write(hdmi, var->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0); |
| 341 | hdmi_write(hdmi, var->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8); |
| 342 | |
| 343 | hdmi_write(hdmi, vtotal, HDMI_EXTERNAL_V_TOTAL_7_0); |
| 344 | hdmi_write(hdmi, vtotal >> 8, HDMI_EXTERNAL_V_TOTAL_9_8); |
| 345 | |
| 346 | hdmi_write(hdmi, vblank, HDMI_EXTERNAL_V_BLANK); |
| 347 | |
| 348 | hdmi_write(hdmi, vdelay, HDMI_EXTERNAL_V_DELAY); |
| 349 | |
| 350 | hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION); |
| 351 | |
Guennadi Liakhovetski | 8971269 | 2010-09-03 07:20:20 +0000 | [diff] [blame] | 352 | /* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */ |
Guennadi Liakhovetski | 0ea2af1 | 2010-11-04 11:06:17 +0000 | [diff] [blame] | 353 | if (!hdmi->preprogrammed_vic) |
Guennadi Liakhovetski | 8971269 | 2010-09-03 07:20:20 +0000 | [diff] [blame] | 354 | hdmi_write(hdmi, sync | 1 | (voffset << 4), |
| 355 | HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | /** |
| 359 | * sh_hdmi_video_config() |
| 360 | */ |
| 361 | static void sh_hdmi_video_config(struct sh_hdmi *hdmi) |
| 362 | { |
| 363 | /* |
| 364 | * [7:4]: Audio sampling frequency: 48kHz |
| 365 | * [3:1]: Input video format: RGB and YCbCr 4:4:4 (Y on Green) |
| 366 | * [0]: Internal/External DE select: internal |
| 367 | */ |
| 368 | hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1); |
| 369 | |
| 370 | /* |
| 371 | * [7:6]: Video output format: RGB 4:4:4 |
| 372 | * [5:4]: Input video data width: 8 bit |
| 373 | * [3:1]: EAV/SAV location: channel 1 |
| 374 | * [0]: Video input color space: RGB |
| 375 | */ |
| 376 | hdmi_write(hdmi, 0x34, HDMI_VIDEO_SETTING_1); |
| 377 | |
| 378 | /* |
| 379 | * [7:6]: Together with bit [6] of HDMI_AUDIO_VIDEO_SETTING_2, which is |
| 380 | * left at 0 by default, this configures 24bpp and sets the Color Depth |
| 381 | * (CD) field in the General Control Packet |
| 382 | */ |
| 383 | hdmi_write(hdmi, 0x20, HDMI_DEEP_COLOR_MODES); |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * sh_hdmi_audio_config() |
| 388 | */ |
| 389 | static void sh_hdmi_audio_config(struct sh_hdmi *hdmi) |
| 390 | { |
Kuninori Morimoto | 6d86577 | 2010-08-31 14:46:41 +0900 | [diff] [blame] | 391 | u8 data; |
| 392 | struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; |
| 393 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 394 | /* |
| 395 | * [7:4] L/R data swap control |
| 396 | * [3:0] appropriate N[19:16] |
| 397 | */ |
| 398 | hdmi_write(hdmi, 0x00, HDMI_L_R_DATA_SWAP_CTRL_RPKT); |
| 399 | /* appropriate N[15:8] */ |
| 400 | hdmi_write(hdmi, 0x18, HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8); |
| 401 | /* appropriate N[7:0] */ |
| 402 | hdmi_write(hdmi, 0x00, HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0); |
| 403 | |
| 404 | /* [7:4] 48 kHz SPDIF not used */ |
| 405 | hdmi_write(hdmi, 0x20, HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS); |
| 406 | |
| 407 | /* |
| 408 | * [6:5] set required down sampling rate if required |
| 409 | * [4:3] set required audio source |
| 410 | */ |
Kuninori Morimoto | dec6aa4 | 2010-09-09 11:48:01 +0900 | [diff] [blame] | 411 | switch (pdata->flags & HDMI_SND_SRC_MASK) { |
Kuninori Morimoto | 6d86577 | 2010-08-31 14:46:41 +0900 | [diff] [blame] | 412 | default: |
Kuninori Morimoto | f4363b7 | 2010-09-09 11:47:49 +0900 | [diff] [blame] | 413 | /* fall through */ |
Kuninori Morimoto | dec6aa4 | 2010-09-09 11:48:01 +0900 | [diff] [blame] | 414 | case HDMI_SND_SRC_I2S: |
| 415 | data = 0x0 << 3; |
Kuninori Morimoto | 6d86577 | 2010-08-31 14:46:41 +0900 | [diff] [blame] | 416 | break; |
Kuninori Morimoto | dec6aa4 | 2010-09-09 11:48:01 +0900 | [diff] [blame] | 417 | case HDMI_SND_SRC_SPDIF: |
| 418 | data = 0x1 << 3; |
Kuninori Morimoto | 6d86577 | 2010-08-31 14:46:41 +0900 | [diff] [blame] | 419 | break; |
Kuninori Morimoto | dec6aa4 | 2010-09-09 11:48:01 +0900 | [diff] [blame] | 420 | case HDMI_SND_SRC_DSD: |
| 421 | data = 0x2 << 3; |
Kuninori Morimoto | 6d86577 | 2010-08-31 14:46:41 +0900 | [diff] [blame] | 422 | break; |
Kuninori Morimoto | dec6aa4 | 2010-09-09 11:48:01 +0900 | [diff] [blame] | 423 | case HDMI_SND_SRC_HBR: |
| 424 | data = 0x3 << 3; |
Kuninori Morimoto | 6d86577 | 2010-08-31 14:46:41 +0900 | [diff] [blame] | 425 | break; |
| 426 | } |
| 427 | hdmi_write(hdmi, data, HDMI_AUDIO_SETTING_1); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 428 | |
| 429 | /* [3:0] set sending channel number for channel status */ |
| 430 | hdmi_write(hdmi, 0x40, HDMI_AUDIO_SETTING_2); |
| 431 | |
| 432 | /* |
| 433 | * [5:2] set valid I2S source input pin |
| 434 | * [1:0] set input I2S source mode |
| 435 | */ |
| 436 | hdmi_write(hdmi, 0x04, HDMI_I2S_AUDIO_SET); |
| 437 | |
| 438 | /* [7:4] set valid DSD source input pin */ |
| 439 | hdmi_write(hdmi, 0x00, HDMI_DSD_AUDIO_SET); |
| 440 | |
| 441 | /* [7:0] set appropriate I2S input pin swap settings if required */ |
| 442 | hdmi_write(hdmi, 0x00, HDMI_I2S_INPUT_PIN_SWAP); |
| 443 | |
| 444 | /* |
| 445 | * [7] set validity bit for channel status |
| 446 | * [3:0] set original sample frequency for channel status |
| 447 | */ |
| 448 | hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_1); |
| 449 | |
| 450 | /* |
| 451 | * [7] set value for channel status |
| 452 | * [6] set value for channel status |
| 453 | * [5] set copyright bit for channel status |
| 454 | * [4:2] set additional information for channel status |
| 455 | * [1:0] set clock accuracy for channel status |
| 456 | */ |
| 457 | hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_2); |
| 458 | |
| 459 | /* [7:0] set category code for channel status */ |
| 460 | hdmi_write(hdmi, 0x00, HDMI_CATEGORY_CODE); |
| 461 | |
| 462 | /* |
| 463 | * [7:4] set source number for channel status |
| 464 | * [3:0] set word length for channel status |
| 465 | */ |
| 466 | hdmi_write(hdmi, 0x00, HDMI_SOURCE_NUM_AUDIO_WORD_LEN); |
| 467 | |
| 468 | /* [7:4] set sample frequency for channel status */ |
| 469 | hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1); |
| 470 | } |
| 471 | |
| 472 | /** |
Guennadi Liakhovetski | 6e45746 | 2010-09-03 07:20:16 +0000 | [diff] [blame] | 473 | * sh_hdmi_phy_config() - configure the HDMI PHY for the used video mode |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 474 | */ |
| 475 | static void sh_hdmi_phy_config(struct sh_hdmi *hdmi) |
| 476 | { |
Guennadi Liakhovetski | 0ea2af1 | 2010-11-04 11:06:17 +0000 | [diff] [blame] | 477 | if (hdmi->var.pixclock < 10000) { |
| 478 | /* for 1080p8bit 148MHz */ |
| 479 | hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1); |
| 480 | hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2); |
| 481 | hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3); |
| 482 | hdmi_write(hdmi, 0x4c, HDMI_SLIPHDMIT_PARAM_SETTINGS_5); |
| 483 | hdmi_write(hdmi, 0x1e, HDMI_SLIPHDMIT_PARAM_SETTINGS_6); |
| 484 | hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7); |
| 485 | hdmi_write(hdmi, 0x0e, HDMI_SLIPHDMIT_PARAM_SETTINGS_8); |
| 486 | hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9); |
| 487 | hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10); |
| 488 | } else if (hdmi->var.pixclock < 30000) { |
Guennadi Liakhovetski | 6e45746 | 2010-09-03 07:20:16 +0000 | [diff] [blame] | 489 | /* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */ |
| 490 | /* |
| 491 | * [1:0] Speed_A |
| 492 | * [3:2] Speed_B |
| 493 | * [4] PLLA_Bypass |
| 494 | * [6] DRV_TEST_EN |
| 495 | * [7] DRV_TEST_IN |
| 496 | */ |
Guennadi Liakhovetski | 9289c47 | 2010-09-03 07:20:35 +0000 | [diff] [blame] | 497 | hdmi_write(hdmi, 0x0f, HDMI_SLIPHDMIT_PARAM_SETTINGS_1); |
Guennadi Liakhovetski | 6e45746 | 2010-09-03 07:20:16 +0000 | [diff] [blame] | 498 | /* PLLB_CONFIG[17], PLLA_CONFIG[17] - not in PHY datasheet */ |
| 499 | hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2); |
| 500 | /* |
| 501 | * [2:0] BGR_I_OFFSET |
| 502 | * [6:4] BGR_V_OFFSET |
| 503 | */ |
| 504 | hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3); |
| 505 | /* PLLA_CONFIG[7:0]: VCO gain, VCO offset, LPF resistance[0] */ |
| 506 | hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5); |
| 507 | /* |
| 508 | * PLLA_CONFIG[15:8]: regulator voltage[0], CP current, |
| 509 | * LPF capacitance, LPF resistance[1] |
| 510 | */ |
| 511 | hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6); |
| 512 | /* PLLB_CONFIG[7:0]: LPF resistance[0], VCO offset, VCO gain */ |
| 513 | hdmi_write(hdmi, 0x4A, HDMI_SLIPHDMIT_PARAM_SETTINGS_7); |
| 514 | /* |
| 515 | * PLLB_CONFIG[15:8]: regulator voltage[0], CP current, |
| 516 | * LPF capacitance, LPF resistance[1] |
| 517 | */ |
Guennadi Liakhovetski | 9289c47 | 2010-09-03 07:20:35 +0000 | [diff] [blame] | 518 | hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_8); |
Guennadi Liakhovetski | 6e45746 | 2010-09-03 07:20:16 +0000 | [diff] [blame] | 519 | /* DRV_CONFIG, PE_CONFIG */ |
| 520 | hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9); |
| 521 | /* |
| 522 | * [2:0] AMON_SEL (4 == LPF voltage) |
| 523 | * [4] PLLA_CONFIG[16] |
| 524 | * [5] PLLB_CONFIG[16] |
| 525 | */ |
| 526 | hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10); |
| 527 | } else { |
| 528 | /* for 480p8bit 27MHz */ |
| 529 | hdmi_write(hdmi, 0x19, HDMI_SLIPHDMIT_PARAM_SETTINGS_1); |
| 530 | hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2); |
| 531 | hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3); |
| 532 | hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5); |
| 533 | hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6); |
| 534 | hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7); |
| 535 | hdmi_write(hdmi, 0x0F, HDMI_SLIPHDMIT_PARAM_SETTINGS_8); |
| 536 | hdmi_write(hdmi, 0x20, HDMI_SLIPHDMIT_PARAM_SETTINGS_9); |
| 537 | hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10); |
| 538 | } |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | /** |
| 542 | * sh_hdmi_avi_infoframe_setup() - Auxiliary Video Information InfoFrame CONTROL PACKET |
| 543 | */ |
| 544 | static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi) |
| 545 | { |
Guennadi Liakhovetski | 6e45746 | 2010-09-03 07:20:16 +0000 | [diff] [blame] | 546 | u8 vic; |
| 547 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 548 | /* AVI InfoFrame */ |
| 549 | hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_INDEX); |
| 550 | |
| 551 | /* Packet Type = 0x82 */ |
| 552 | hdmi_write(hdmi, 0x82, HDMI_CTRL_PKT_BUF_ACCESS_HB0); |
| 553 | |
| 554 | /* Version = 0x02 */ |
| 555 | hdmi_write(hdmi, 0x02, HDMI_CTRL_PKT_BUF_ACCESS_HB1); |
| 556 | |
| 557 | /* Length = 13 (0x0D) */ |
| 558 | hdmi_write(hdmi, 0x0D, HDMI_CTRL_PKT_BUF_ACCESS_HB2); |
| 559 | |
| 560 | /* N. A. Checksum */ |
| 561 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0); |
| 562 | |
| 563 | /* |
| 564 | * Y = RGB |
| 565 | * A0 = No Data |
| 566 | * B = Bar Data not valid |
| 567 | * S = No Data |
| 568 | */ |
| 569 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1); |
| 570 | |
| 571 | /* |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 572 | * [7:6] C = Colorimetry: no data |
| 573 | * [5:4] M = 2: 16:9, 1: 4:3 Picture Aspect Ratio |
| 574 | * [3:0] R = 8: Active Frame Aspect Ratio: same as picture aspect ratio |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 575 | */ |
| 576 | hdmi_write(hdmi, 0x28, HDMI_CTRL_PKT_BUF_ACCESS_PB2); |
| 577 | |
| 578 | /* |
| 579 | * ITC = No Data |
| 580 | * EC = xvYCC601 |
| 581 | * Q = Default (depends on video format) |
| 582 | * SC = No Known non_uniform Scaling |
| 583 | */ |
| 584 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3); |
| 585 | |
| 586 | /* |
Guennadi Liakhovetski | 0ea2af1 | 2010-11-04 11:06:17 +0000 | [diff] [blame] | 587 | * VIC should be ignored if external config is used, so, we could just use 0, |
| 588 | * but play safe and use a valid value in any case just in case |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 589 | */ |
Guennadi Liakhovetski | 0ea2af1 | 2010-11-04 11:06:17 +0000 | [diff] [blame] | 590 | if (hdmi->preprogrammed_vic) |
| 591 | vic = hdmi->preprogrammed_vic; |
Guennadi Liakhovetski | 6e45746 | 2010-09-03 07:20:16 +0000 | [diff] [blame] | 592 | else |
| 593 | vic = 4; |
| 594 | hdmi_write(hdmi, vic, HDMI_CTRL_PKT_BUF_ACCESS_PB4); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 595 | |
| 596 | /* PR = No Repetition */ |
| 597 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5); |
| 598 | |
| 599 | /* Line Number of End of Top Bar (lower 8 bits) */ |
| 600 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB6); |
| 601 | |
| 602 | /* Line Number of End of Top Bar (upper 8 bits) */ |
| 603 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB7); |
| 604 | |
| 605 | /* Line Number of Start of Bottom Bar (lower 8 bits) */ |
| 606 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB8); |
| 607 | |
| 608 | /* Line Number of Start of Bottom Bar (upper 8 bits) */ |
| 609 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB9); |
| 610 | |
| 611 | /* Pixel Number of End of Left Bar (lower 8 bits) */ |
| 612 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10); |
| 613 | |
| 614 | /* Pixel Number of End of Left Bar (upper 8 bits) */ |
| 615 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB11); |
| 616 | |
| 617 | /* Pixel Number of Start of Right Bar (lower 8 bits) */ |
| 618 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB12); |
| 619 | |
| 620 | /* Pixel Number of Start of Right Bar (upper 8 bits) */ |
| 621 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB13); |
| 622 | } |
| 623 | |
| 624 | /** |
| 625 | * sh_hdmi_audio_infoframe_setup() - Audio InfoFrame of CONTROL PACKET |
| 626 | */ |
| 627 | static void sh_hdmi_audio_infoframe_setup(struct sh_hdmi *hdmi) |
| 628 | { |
| 629 | /* Audio InfoFrame */ |
| 630 | hdmi_write(hdmi, 0x08, HDMI_CTRL_PKT_BUF_INDEX); |
| 631 | |
| 632 | /* Packet Type = 0x84 */ |
| 633 | hdmi_write(hdmi, 0x84, HDMI_CTRL_PKT_BUF_ACCESS_HB0); |
| 634 | |
| 635 | /* Version Number = 0x01 */ |
| 636 | hdmi_write(hdmi, 0x01, HDMI_CTRL_PKT_BUF_ACCESS_HB1); |
| 637 | |
| 638 | /* 0 Length = 10 (0x0A) */ |
| 639 | hdmi_write(hdmi, 0x0A, HDMI_CTRL_PKT_BUF_ACCESS_HB2); |
| 640 | |
| 641 | /* n. a. Checksum */ |
| 642 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0); |
| 643 | |
| 644 | /* Audio Channel Count = Refer to Stream Header */ |
| 645 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1); |
| 646 | |
| 647 | /* Refer to Stream Header */ |
| 648 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB2); |
| 649 | |
| 650 | /* Format depends on coding type (i.e. CT0...CT3) */ |
| 651 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3); |
| 652 | |
| 653 | /* Speaker Channel Allocation = Front Right + Front Left */ |
| 654 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB4); |
| 655 | |
| 656 | /* Level Shift Value = 0 dB, Down - mix is permitted or no information */ |
| 657 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5); |
| 658 | |
| 659 | /* Reserved (0) */ |
| 660 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB6); |
| 661 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB7); |
| 662 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB8); |
| 663 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB9); |
| 664 | hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10); |
| 665 | } |
| 666 | |
| 667 | /** |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 668 | * sh_hdmi_configure() - Initialise HDMI for output |
| 669 | */ |
| 670 | static void sh_hdmi_configure(struct sh_hdmi *hdmi) |
| 671 | { |
| 672 | /* Configure video format */ |
| 673 | sh_hdmi_video_config(hdmi); |
| 674 | |
| 675 | /* Configure audio format */ |
| 676 | sh_hdmi_audio_config(hdmi); |
| 677 | |
| 678 | /* Configure PHY */ |
| 679 | sh_hdmi_phy_config(hdmi); |
| 680 | |
| 681 | /* Auxiliary Video Information (AVI) InfoFrame */ |
| 682 | sh_hdmi_avi_infoframe_setup(hdmi); |
| 683 | |
| 684 | /* Audio InfoFrame */ |
| 685 | sh_hdmi_audio_infoframe_setup(hdmi); |
| 686 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 687 | /* |
| 688 | * Control packet auto send with VSYNC control: auto send |
| 689 | * General control, Gamut metadata, ISRC, and ACP packets |
| 690 | */ |
| 691 | hdmi_write(hdmi, 0x8E, HDMI_CTRL_PKT_AUTO_SEND); |
| 692 | |
| 693 | /* FIXME */ |
| 694 | msleep(10); |
| 695 | |
| 696 | /* PS mode b->d, reset PLLA and PLLB */ |
| 697 | hdmi_write(hdmi, 0x4C, HDMI_SYSTEM_CTRL); |
| 698 | |
| 699 | udelay(10); |
| 700 | |
| 701 | hdmi_write(hdmi, 0x40, HDMI_SYSTEM_CTRL); |
| 702 | } |
| 703 | |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 704 | static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi, |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 705 | const struct fb_videomode *mode, |
| 706 | unsigned long *hdmi_rate, unsigned long *parent_rate) |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 707 | { |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 708 | unsigned long target = PICOS2KHZ(mode->pixclock) * 1000, rate_error; |
| 709 | struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data; |
| 710 | |
| 711 | *hdmi_rate = clk_round_rate(hdmi->hdmi_clk, target); |
| 712 | if ((long)*hdmi_rate < 0) |
| 713 | *hdmi_rate = clk_get_rate(hdmi->hdmi_clk); |
| 714 | |
| 715 | rate_error = (long)*hdmi_rate > 0 ? abs(*hdmi_rate - target) : ULONG_MAX; |
| 716 | if (rate_error && pdata->clk_optimize_parent) |
| 717 | rate_error = pdata->clk_optimize_parent(target, hdmi_rate, parent_rate); |
| 718 | else if (clk_get_parent(hdmi->hdmi_clk)) |
| 719 | *parent_rate = clk_get_rate(clk_get_parent(hdmi->hdmi_clk)); |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 720 | |
| 721 | dev_dbg(hdmi->dev, "%u-%u-%u-%u x %u-%u-%u-%u\n", |
| 722 | mode->left_margin, mode->xres, |
| 723 | mode->right_margin, mode->hsync_len, |
| 724 | mode->upper_margin, mode->yres, |
| 725 | mode->lower_margin, mode->vsync_len); |
| 726 | |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 727 | dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz, p=%luHz\n", target, |
| 728 | rate_error, rate_error ? 10000 / (10 * target / rate_error) : 0, |
| 729 | mode->refresh, *parent_rate); |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 730 | |
| 731 | return rate_error; |
| 732 | } |
| 733 | |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 734 | static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate, |
| 735 | unsigned long *parent_rate) |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 736 | { |
Guennadi Liakhovetski | 6ee4845 | 2010-09-03 07:19:53 +0000 | [diff] [blame] | 737 | struct fb_var_screeninfo tmpvar; |
Guennadi Liakhovetski | 6ee4845 | 2010-09-03 07:19:53 +0000 | [diff] [blame] | 738 | struct fb_var_screeninfo *var = &tmpvar; |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 739 | const struct fb_videomode *mode, *found = NULL; |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 740 | struct fb_info *info = hdmi->info; |
| 741 | struct fb_modelist *modelist = NULL; |
| 742 | unsigned int f_width = 0, f_height = 0, f_refresh = 0; |
| 743 | unsigned long found_rate_error = ULONG_MAX; /* silly compiler... */ |
Guennadi Liakhovetski | c7321d6 | 2011-01-07 11:57:55 +0000 | [diff] [blame] | 744 | bool scanning = false, preferred_bad = false; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 745 | u8 edid[128]; |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 746 | char *forced; |
| 747 | int i; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 748 | |
| 749 | /* Read EDID */ |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 750 | dev_dbg(hdmi->dev, "Read back EDID code:"); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 751 | for (i = 0; i < 128; i++) { |
| 752 | edid[i] = hdmi_read(hdmi, HDMI_EDID_KSV_FIFO_ACCESS_WINDOW); |
| 753 | #ifdef DEBUG |
| 754 | if ((i % 16) == 0) { |
| 755 | printk(KERN_CONT "\n"); |
| 756 | printk(KERN_DEBUG "%02X | %02X", i, edid[i]); |
| 757 | } else { |
| 758 | printk(KERN_CONT " %02X", edid[i]); |
| 759 | } |
| 760 | #endif |
| 761 | } |
| 762 | #ifdef DEBUG |
| 763 | printk(KERN_CONT "\n"); |
| 764 | #endif |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 765 | |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 766 | if (!hdmi->edid_blocks) { |
| 767 | fb_edid_to_monspecs(edid, &hdmi->monspec); |
| 768 | hdmi->edid_blocks = edid[126] + 1; |
| 769 | |
| 770 | dev_dbg(hdmi->dev, "%d main modes, %d extension blocks\n", |
| 771 | hdmi->monspec.modedb_len, hdmi->edid_blocks - 1); |
| 772 | } else { |
| 773 | dev_dbg(hdmi->dev, "Extension %u detected, DTD start %u\n", |
| 774 | edid[0], edid[2]); |
| 775 | fb_edid_add_monspecs(edid, &hdmi->monspec); |
| 776 | } |
| 777 | |
| 778 | if (hdmi->edid_blocks > hdmi->edid_segment_nr * 2 + |
| 779 | (hdmi->edid_block_addr >> 7) + 1) { |
| 780 | /* More blocks to read */ |
| 781 | if (hdmi->edid_block_addr) { |
| 782 | hdmi->edid_block_addr = 0; |
| 783 | hdmi->edid_segment_nr++; |
| 784 | } else { |
| 785 | hdmi->edid_block_addr = 0x80; |
| 786 | } |
| 787 | /* Set EDID word address */ |
| 788 | hdmi_write(hdmi, hdmi->edid_block_addr, HDMI_EDID_WORD_ADDRESS); |
| 789 | /* Enable EDID interrupt */ |
| 790 | hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1); |
| 791 | /* Set EDID segment pointer - starts reading EDID */ |
| 792 | hdmi_write(hdmi, hdmi->edid_segment_nr, HDMI_EDID_SEGMENT_POINTER); |
| 793 | return -EAGAIN; |
| 794 | } |
| 795 | |
| 796 | /* All E-EDID blocks ready */ |
| 797 | dev_dbg(hdmi->dev, "%d main and extended modes\n", hdmi->monspec.modedb_len); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 798 | |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 799 | fb_get_options("sh_mobile_lcdc", &forced); |
| 800 | if (forced && *forced) { |
| 801 | /* Only primitive parsing so far */ |
| 802 | i = sscanf(forced, "%ux%u@%u", |
| 803 | &f_width, &f_height, &f_refresh); |
| 804 | if (i < 2) { |
| 805 | f_width = 0; |
| 806 | f_height = 0; |
Guennadi Liakhovetski | c7321d6 | 2011-01-07 11:57:55 +0000 | [diff] [blame] | 807 | } else { |
| 808 | /* The user wants us to use the EDID data */ |
| 809 | scanning = true; |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 810 | } |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 811 | dev_dbg(hdmi->dev, "Forced mode %ux%u@%uHz\n", |
| 812 | f_width, f_height, f_refresh); |
| 813 | } |
| 814 | |
| 815 | /* Walk monitor modes to find the best or the exact match */ |
| 816 | for (i = 0, mode = hdmi->monspec.modedb; |
Guennadi Liakhovetski | c7321d6 | 2011-01-07 11:57:55 +0000 | [diff] [blame] | 817 | i < hdmi->monspec.modedb_len && scanning; |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 818 | i++, mode++) { |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 819 | unsigned long rate_error; |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 820 | |
Guennadi Liakhovetski | c7321d6 | 2011-01-07 11:57:55 +0000 | [diff] [blame] | 821 | if (!f_width && !f_height) { |
| 822 | /* |
| 823 | * A parameter string "video=sh_mobile_lcdc:0x0" means |
| 824 | * use the preferred EDID mode. If it is rejected by |
| 825 | * .fb_check_var(), keep looking, until an acceptable |
| 826 | * one is found. |
| 827 | */ |
| 828 | if ((mode->flag & FB_MODE_IS_FIRST) || preferred_bad) |
| 829 | scanning = false; |
| 830 | else |
| 831 | continue; |
| 832 | } else if (f_width != mode->xres || f_height != mode->yres) { |
| 833 | /* No interest in unmatching modes */ |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 834 | continue; |
Guennadi Liakhovetski | c7321d6 | 2011-01-07 11:57:55 +0000 | [diff] [blame] | 835 | } |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 836 | |
| 837 | rate_error = sh_hdmi_rate_error(hdmi, mode, hdmi_rate, parent_rate); |
| 838 | |
Guennadi Liakhovetski | c7321d6 | 2011-01-07 11:57:55 +0000 | [diff] [blame] | 839 | if (scanning) { |
| 840 | if (f_refresh == mode->refresh || (!f_refresh && !rate_error)) |
| 841 | /* |
| 842 | * Exact match if either the refresh rate |
| 843 | * matches or it hasn't been specified and we've |
| 844 | * found a mode, for which we can configure the |
| 845 | * clock precisely |
| 846 | */ |
| 847 | scanning = false; |
| 848 | else if (found && found_rate_error <= rate_error) |
| 849 | /* |
| 850 | * We otherwise search for the closest matching |
| 851 | * clock rate - either if no refresh rate has |
| 852 | * been specified or we cannot find an exactly |
| 853 | * matching one |
| 854 | */ |
| 855 | continue; |
| 856 | } |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 857 | |
| 858 | /* Check if supported: sufficient fb memory, supported clock-rate */ |
| 859 | fb_videomode_to_var(var, mode); |
| 860 | |
Guennadi Liakhovetski | c7321d6 | 2011-01-07 11:57:55 +0000 | [diff] [blame] | 861 | var->bits_per_pixel = info->var.bits_per_pixel; |
| 862 | |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 863 | if (info && info->fbops->fb_check_var && |
| 864 | info->fbops->fb_check_var(var, info)) { |
Guennadi Liakhovetski | c7321d6 | 2011-01-07 11:57:55 +0000 | [diff] [blame] | 865 | scanning = true; |
| 866 | preferred_bad = true; |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 867 | continue; |
| 868 | } |
| 869 | |
| 870 | found = mode; |
| 871 | found_rate_error = rate_error; |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 872 | } |
| 873 | |
Guennadi Liakhovetski | 8c1ac08 | 2010-12-21 11:46:35 +0100 | [diff] [blame] | 874 | hdmi->var.width = hdmi->monspec.max_x * 10; |
| 875 | hdmi->var.height = hdmi->monspec.max_y * 10; |
| 876 | |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 877 | /* |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 878 | * TODO 1: if no ->info is present, postpone running the config until |
| 879 | * after ->info first gets registered. |
| 880 | * TODO 2: consider registering the HDMI platform device from the LCDC |
| 881 | * driver, and passing ->info with HDMI platform data. |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 882 | */ |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 883 | if (info && !found) { |
Guennadi Liakhovetski | 0d7fa18 | 2011-01-07 11:58:03 +0000 | [diff] [blame] | 884 | modelist = info->modelist.next && |
| 885 | !list_empty(&info->modelist) ? |
| 886 | list_entry(info->modelist.next, |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 887 | struct fb_modelist, list) : |
| 888 | NULL; |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 889 | |
Guennadi Liakhovetski | f1198d1 | 2010-10-15 07:54:04 +0000 | [diff] [blame] | 890 | if (modelist) { |
| 891 | found = &modelist->mode; |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 892 | found_rate_error = sh_hdmi_rate_error(hdmi, found, hdmi_rate, parent_rate); |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 893 | } |
| 894 | } |
| 895 | |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 896 | /* No cookie today */ |
| 897 | if (!found) |
| 898 | return -ENXIO; |
| 899 | |
Guennadi Liakhovetski | 0ea2af1 | 2010-11-04 11:06:17 +0000 | [diff] [blame] | 900 | if (found->xres == 640 && found->yres == 480 && found->refresh == 60) |
| 901 | hdmi->preprogrammed_vic = 1; |
| 902 | else if (found->xres == 720 && found->yres == 480 && found->refresh == 60) |
| 903 | hdmi->preprogrammed_vic = 2; |
| 904 | else if (found->xres == 720 && found->yres == 576 && found->refresh == 50) |
| 905 | hdmi->preprogrammed_vic = 17; |
| 906 | else if (found->xres == 1280 && found->yres == 720 && found->refresh == 60) |
| 907 | hdmi->preprogrammed_vic = 4; |
| 908 | else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 24) |
| 909 | hdmi->preprogrammed_vic = 32; |
| 910 | else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 50) |
| 911 | hdmi->preprogrammed_vic = 31; |
| 912 | else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 60) |
| 913 | hdmi->preprogrammed_vic = 16; |
Guennadi Liakhovetski | 8971269 | 2010-09-03 07:20:20 +0000 | [diff] [blame] | 914 | else |
Guennadi Liakhovetski | 0ea2af1 | 2010-11-04 11:06:17 +0000 | [diff] [blame] | 915 | hdmi->preprogrammed_vic = 0; |
Guennadi Liakhovetski | 8971269 | 2010-09-03 07:20:20 +0000 | [diff] [blame] | 916 | |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 917 | dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), clock error %luHz\n", |
Guennadi Liakhovetski | 0ea2af1 | 2010-11-04 11:06:17 +0000 | [diff] [blame] | 918 | modelist ? "default" : "EDID", hdmi->preprogrammed_vic ? "VIC" : "external", |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 919 | found->xres, found->yres, found->refresh, |
| 920 | PICOS2KHZ(found->pixclock) * 1000, found_rate_error); |
| 921 | |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 922 | fb_videomode_to_var(&hdmi->var, found); |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 923 | sh_hdmi_external_video_param(hdmi); |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 924 | |
| 925 | return 0; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 926 | } |
| 927 | |
| 928 | static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id) |
| 929 | { |
| 930 | struct sh_hdmi *hdmi = dev_id; |
| 931 | u8 status1, status2, mask1, mask2; |
| 932 | |
| 933 | /* mode_b and PLLA and PLLB reset */ |
| 934 | hdmi_write(hdmi, 0x2C, HDMI_SYSTEM_CTRL); |
| 935 | |
| 936 | /* How long shall reset be held? */ |
| 937 | udelay(10); |
| 938 | |
| 939 | /* mode_b and PLLA and PLLB reset release */ |
| 940 | hdmi_write(hdmi, 0x20, HDMI_SYSTEM_CTRL); |
| 941 | |
| 942 | status1 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_1); |
| 943 | status2 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_2); |
| 944 | |
| 945 | mask1 = hdmi_read(hdmi, HDMI_INTERRUPT_MASK_1); |
| 946 | mask2 = hdmi_read(hdmi, HDMI_INTERRUPT_MASK_2); |
| 947 | |
| 948 | /* Correct would be to ack only set bits, but the datasheet requires 0xff */ |
| 949 | hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_1); |
| 950 | hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_2); |
| 951 | |
| 952 | if (printk_ratelimit()) |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 953 | dev_dbg(hdmi->dev, "IRQ #%d: Status #1: 0x%x & 0x%x, #2: 0x%x & 0x%x\n", |
| 954 | irq, status1, mask1, status2, mask2); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 955 | |
| 956 | if (!((status1 & mask1) | (status2 & mask2))) { |
| 957 | return IRQ_NONE; |
| 958 | } else if (status1 & 0xc0) { |
| 959 | u8 msens; |
| 960 | |
| 961 | /* Datasheet specifies 10ms... */ |
| 962 | udelay(500); |
| 963 | |
| 964 | msens = hdmi_read(hdmi, HDMI_HOT_PLUG_MSENS_STATUS); |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 965 | dev_dbg(hdmi->dev, "MSENS 0x%x\n", msens); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 966 | /* Check, if hot plug & MSENS pin status are both high */ |
| 967 | if ((msens & 0xC0) == 0xC0) { |
| 968 | /* Display plug in */ |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 969 | hdmi->edid_segment_nr = 0; |
| 970 | hdmi->edid_block_addr = 0; |
| 971 | hdmi->edid_blocks = 0; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 972 | hdmi->hp_state = HDMI_HOTPLUG_CONNECTED; |
| 973 | |
| 974 | /* Set EDID word address */ |
| 975 | hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 976 | /* Enable EDID interrupt */ |
| 977 | hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1); |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 978 | /* Set EDID segment pointer - starts reading EDID */ |
| 979 | hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 980 | } else if (!(status1 & 0x80)) { |
| 981 | /* Display unplug, beware multiple interrupts */ |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 982 | if (hdmi->hp_state != HDMI_HOTPLUG_DISCONNECTED) { |
| 983 | hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 984 | schedule_delayed_work(&hdmi->edid_work, 0); |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 985 | } |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 986 | /* display_off will switch back to mode_a */ |
| 987 | } |
| 988 | } else if (status1 & 2) { |
| 989 | /* EDID error interrupt: retry */ |
| 990 | /* Set EDID word address */ |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 991 | hdmi_write(hdmi, hdmi->edid_block_addr, HDMI_EDID_WORD_ADDRESS); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 992 | /* Set EDID segment pointer */ |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 993 | hdmi_write(hdmi, hdmi->edid_segment_nr, HDMI_EDID_SEGMENT_POINTER); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 994 | } else if (status1 & 4) { |
| 995 | /* Disable EDID interrupt */ |
| 996 | hdmi_write(hdmi, 0xC0, HDMI_INTERRUPT_MASK_1); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 997 | schedule_delayed_work(&hdmi->edid_work, msecs_to_jiffies(10)); |
| 998 | } |
| 999 | |
| 1000 | return IRQ_HANDLED; |
| 1001 | } |
| 1002 | |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1003 | /* locking: called with info->lock held, or before register_framebuffer() */ |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 1004 | static void sh_hdmi_display_on(void *arg, struct fb_info *info) |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1005 | { |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1006 | /* |
| 1007 | * info is guaranteed to be valid, when we are called, because our |
| 1008 | * FB_EVENT_FB_UNBIND notify is also called with info->lock held |
| 1009 | */ |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1010 | struct sh_hdmi *hdmi = arg; |
Guennadi Liakhovetski | 1c120de | 2010-09-03 07:20:27 +0000 | [diff] [blame] | 1011 | struct sh_mobile_lcdc_chan *ch = info->par; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1012 | |
Laurent Pinchart | 134d22e | 2011-09-09 16:08:02 +0200 | [diff] [blame^] | 1013 | dev_dbg(hdmi->dev, "%s(%p): state %x\n", __func__, hdmi, info->state); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1014 | |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1015 | /* No need to lock */ |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1016 | hdmi->info = info; |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1017 | |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 1018 | /* |
| 1019 | * hp_state can be set to |
| 1020 | * HDMI_HOTPLUG_DISCONNECTED: on monitor unplug |
| 1021 | * HDMI_HOTPLUG_CONNECTED: on monitor plug-in |
| 1022 | * HDMI_HOTPLUG_EDID_DONE: on EDID read completion |
| 1023 | */ |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1024 | switch (hdmi->hp_state) { |
| 1025 | case HDMI_HOTPLUG_EDID_DONE: |
| 1026 | /* PS mode d->e. All functions are active */ |
| 1027 | hdmi_write(hdmi, 0x80, HDMI_SYSTEM_CTRL); |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 1028 | dev_dbg(hdmi->dev, "HDMI running\n"); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1029 | break; |
| 1030 | case HDMI_HOTPLUG_DISCONNECTED: |
| 1031 | info->state = FBINFO_STATE_SUSPENDED; |
| 1032 | default: |
Guennadi Liakhovetski | 1c120de | 2010-09-03 07:20:27 +0000 | [diff] [blame] | 1033 | hdmi->var = ch->display_var; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1034 | } |
| 1035 | } |
| 1036 | |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1037 | /* locking: called with info->lock held */ |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 1038 | static void sh_hdmi_display_off(void *arg) |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1039 | { |
| 1040 | struct sh_hdmi *hdmi = arg; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1041 | |
Laurent Pinchart | 134d22e | 2011-09-09 16:08:02 +0200 | [diff] [blame^] | 1042 | dev_dbg(hdmi->dev, "%s(%p)\n", __func__, hdmi); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1043 | /* PS mode e->a */ |
| 1044 | hdmi_write(hdmi, 0x10, HDMI_SYSTEM_CTRL); |
| 1045 | } |
| 1046 | |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1047 | static bool sh_hdmi_must_reconfigure(struct sh_hdmi *hdmi) |
| 1048 | { |
| 1049 | struct fb_info *info = hdmi->info; |
| 1050 | struct sh_mobile_lcdc_chan *ch = info->par; |
| 1051 | struct fb_var_screeninfo *new_var = &hdmi->var, *old_var = &ch->display_var; |
| 1052 | struct fb_videomode mode1, mode2; |
| 1053 | |
| 1054 | fb_var_to_videomode(&mode1, old_var); |
| 1055 | fb_var_to_videomode(&mode2, new_var); |
| 1056 | |
| 1057 | dev_dbg(info->dev, "Old %ux%u, new %ux%u\n", |
| 1058 | mode1.xres, mode1.yres, mode2.xres, mode2.yres); |
| 1059 | |
Guennadi Liakhovetski | 8c1ac08 | 2010-12-21 11:46:35 +0100 | [diff] [blame] | 1060 | if (fb_mode_is_equal(&mode1, &mode2)) { |
| 1061 | /* It can be a different monitor with an equal video-mode */ |
| 1062 | old_var->width = new_var->width; |
| 1063 | old_var->height = new_var->height; |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1064 | return false; |
Guennadi Liakhovetski | 8c1ac08 | 2010-12-21 11:46:35 +0100 | [diff] [blame] | 1065 | } |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1066 | |
| 1067 | dev_dbg(info->dev, "Switching %u -> %u lines\n", |
| 1068 | mode1.yres, mode2.yres); |
| 1069 | *old_var = *new_var; |
| 1070 | |
| 1071 | return true; |
| 1072 | } |
| 1073 | |
| 1074 | /** |
| 1075 | * sh_hdmi_clk_configure() - set HDMI clock frequency and enable the clock |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1076 | * @hdmi: driver context |
| 1077 | * @hdmi_rate: HDMI clock frequency in Hz |
| 1078 | * @parent_rate: if != 0 - set parent clock rate for optimal precision |
| 1079 | * return: configured positive rate if successful |
| 1080 | * 0 if couldn't set the rate, but managed to enable the |
| 1081 | * clock, negative error, if couldn't enable the clock |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1082 | */ |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1083 | static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long hdmi_rate, |
| 1084 | unsigned long parent_rate) |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1085 | { |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1086 | int ret; |
| 1087 | |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1088 | if (parent_rate && clk_get_parent(hdmi->hdmi_clk)) { |
| 1089 | ret = clk_set_rate(clk_get_parent(hdmi->hdmi_clk), parent_rate); |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1090 | if (ret < 0) { |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1091 | dev_warn(hdmi->dev, "Cannot set parent rate %ld: %d\n", parent_rate, ret); |
| 1092 | hdmi_rate = clk_round_rate(hdmi->hdmi_clk, hdmi_rate); |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1093 | } else { |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1094 | dev_dbg(hdmi->dev, "HDMI set parent frequency %lu\n", parent_rate); |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1095 | } |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1096 | } |
| 1097 | |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1098 | ret = clk_set_rate(hdmi->hdmi_clk, hdmi_rate); |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1099 | if (ret < 0) { |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1100 | dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", hdmi_rate, ret); |
| 1101 | hdmi_rate = 0; |
| 1102 | } else { |
| 1103 | dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", hdmi_rate); |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1104 | } |
| 1105 | |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1106 | return hdmi_rate; |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1107 | } |
| 1108 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1109 | /* Hotplug interrupt occurred, read EDID */ |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 1110 | static void sh_hdmi_edid_work_fn(struct work_struct *work) |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1111 | { |
| 1112 | struct sh_hdmi *hdmi = container_of(work, struct sh_hdmi, edid_work.work); |
Bruno Prémont | 4a47a0e | 2011-09-02 19:24:03 +0200 | [diff] [blame] | 1113 | struct fb_info *info; |
Guennadi Liakhovetski | 1c120de | 2010-09-03 07:20:27 +0000 | [diff] [blame] | 1114 | struct sh_mobile_lcdc_chan *ch; |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1115 | int ret; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1116 | |
Laurent Pinchart | 134d22e | 2011-09-09 16:08:02 +0200 | [diff] [blame^] | 1117 | dev_dbg(hdmi->dev, "%s(%p): begin, hotplug status %d\n", __func__, hdmi, |
| 1118 | hdmi->hp_state); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1119 | |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1120 | mutex_lock(&hdmi->mutex); |
| 1121 | |
Bruno Prémont | 4a47a0e | 2011-09-02 19:24:03 +0200 | [diff] [blame] | 1122 | info = hdmi->info; |
| 1123 | |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 1124 | if (hdmi->hp_state == HDMI_HOTPLUG_CONNECTED) { |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1125 | unsigned long parent_rate = 0, hdmi_rate; |
| 1126 | |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1127 | ret = sh_hdmi_read_edid(hdmi, &hdmi_rate, &parent_rate); |
Guennadi Liakhovetski | d521dd9 | 2011-06-14 14:27:22 +0000 | [diff] [blame] | 1128 | if (ret < 0) |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1129 | goto out; |
| 1130 | |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 1131 | hdmi->hp_state = HDMI_HOTPLUG_EDID_DONE; |
| 1132 | |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1133 | /* Reconfigure the clock */ |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1134 | ret = sh_hdmi_clk_configure(hdmi, hdmi_rate, parent_rate); |
Guennadi Liakhovetski | d521dd9 | 2011-06-14 14:27:22 +0000 | [diff] [blame] | 1135 | if (ret < 0) |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1136 | goto out; |
| 1137 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1138 | msleep(10); |
| 1139 | sh_hdmi_configure(hdmi); |
| 1140 | /* Switched to another (d) power-save mode */ |
| 1141 | msleep(10); |
| 1142 | |
Guennadi Liakhovetski | 0d7fa18 | 2011-01-07 11:58:03 +0000 | [diff] [blame] | 1143 | if (!info) |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1144 | goto out; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1145 | |
Guennadi Liakhovetski | 0d7fa18 | 2011-01-07 11:58:03 +0000 | [diff] [blame] | 1146 | ch = info->par; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1147 | |
Bruno Prémont | 4a47a0e | 2011-09-02 19:24:03 +0200 | [diff] [blame] | 1148 | if (lock_fb_info(info)) { |
| 1149 | console_lock(); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1150 | |
Bruno Prémont | 4a47a0e | 2011-09-02 19:24:03 +0200 | [diff] [blame] | 1151 | /* HDMI plug in */ |
| 1152 | if (!sh_hdmi_must_reconfigure(hdmi) && |
| 1153 | info->state == FBINFO_STATE_RUNNING) { |
| 1154 | /* |
| 1155 | * First activation with the default monitor - just turn |
| 1156 | * on, if we run a resume here, the logo disappears |
| 1157 | */ |
Guennadi Liakhovetski | 8c1ac08 | 2010-12-21 11:46:35 +0100 | [diff] [blame] | 1158 | info->var.width = hdmi->var.width; |
| 1159 | info->var.height = hdmi->var.height; |
| 1160 | sh_hdmi_display_on(hdmi, info); |
Bruno Prémont | 4a47a0e | 2011-09-02 19:24:03 +0200 | [diff] [blame] | 1161 | } else { |
| 1162 | /* New monitor or have to wake up */ |
| 1163 | fb_set_suspend(info, 0); |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1164 | } |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1165 | |
Bruno Prémont | 4a47a0e | 2011-09-02 19:24:03 +0200 | [diff] [blame] | 1166 | console_unlock(); |
| 1167 | unlock_fb_info(info); |
| 1168 | } |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1169 | } else { |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1170 | ret = 0; |
Bruno Prémont | 4a47a0e | 2011-09-02 19:24:03 +0200 | [diff] [blame] | 1171 | if (!info) |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1172 | goto out; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1173 | |
Guennadi Liakhovetski | 91d63f8 | 2010-11-04 11:05:55 +0000 | [diff] [blame] | 1174 | hdmi->monspec.modedb_len = 0; |
| 1175 | fb_destroy_modedb(hdmi->monspec.modedb); |
| 1176 | hdmi->monspec.modedb = NULL; |
| 1177 | |
Bruno Prémont | 4a47a0e | 2011-09-02 19:24:03 +0200 | [diff] [blame] | 1178 | if (lock_fb_info(info)) { |
| 1179 | console_lock(); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1180 | |
Bruno Prémont | 4a47a0e | 2011-09-02 19:24:03 +0200 | [diff] [blame] | 1181 | /* HDMI disconnect */ |
| 1182 | fb_set_suspend(info, 1); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1183 | |
Bruno Prémont | 4a47a0e | 2011-09-02 19:24:03 +0200 | [diff] [blame] | 1184 | console_unlock(); |
| 1185 | unlock_fb_info(info); |
| 1186 | } |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1187 | } |
| 1188 | |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1189 | out: |
Guennadi Liakhovetski | 4232f60 | 2010-11-11 14:45:09 +0000 | [diff] [blame] | 1190 | if (ret < 0 && ret != -EAGAIN) |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1191 | hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED; |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1192 | mutex_unlock(&hdmi->mutex); |
| 1193 | |
Laurent Pinchart | 134d22e | 2011-09-09 16:08:02 +0200 | [diff] [blame^] | 1194 | dev_dbg(hdmi->dev, "%s(%p): end\n", __func__, hdmi); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1195 | } |
| 1196 | |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1197 | static int sh_hdmi_notify(struct notifier_block *nb, |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1198 | unsigned long action, void *data) |
| 1199 | { |
| 1200 | struct fb_event *event = data; |
| 1201 | struct fb_info *info = event->info; |
Laurent Pinchart | 12ee250 | 2011-11-24 11:53:47 +0100 | [diff] [blame] | 1202 | struct sh_hdmi *hdmi = notifier_to_hdmi(nb); |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1203 | |
Laurent Pinchart | 12ee250 | 2011-11-24 11:53:47 +0100 | [diff] [blame] | 1204 | if (hdmi->info != info) |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1205 | return NOTIFY_DONE; |
| 1206 | |
| 1207 | switch(action) { |
| 1208 | case FB_EVENT_FB_REGISTERED: |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 1209 | /* Unneeded, activation taken care by sh_hdmi_display_on() */ |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1210 | break; |
| 1211 | case FB_EVENT_FB_UNREGISTERED: |
| 1212 | /* |
| 1213 | * We are called from unregister_framebuffer() with the |
| 1214 | * info->lock held. This is bad for us, because we can race with |
| 1215 | * the scheduled work, which has to call fb_set_suspend(), which |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 1216 | * takes info->lock internally, so, sh_hdmi_edid_work_fn() |
| 1217 | * cannot take and hold info->lock for the whole function |
| 1218 | * duration. Using an additional lock creates a classical AB-BA |
| 1219 | * lock up. Therefore, we have to release the info->lock |
| 1220 | * temporarily, synchronise with the work queue and re-acquire |
| 1221 | * the info->lock. |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1222 | */ |
Guennadi Liakhovetski | eb0778b | 2011-01-07 11:57:59 +0000 | [diff] [blame] | 1223 | unlock_fb_info(info); |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1224 | mutex_lock(&hdmi->mutex); |
| 1225 | hdmi->info = NULL; |
| 1226 | mutex_unlock(&hdmi->mutex); |
Guennadi Liakhovetski | eb0778b | 2011-01-07 11:57:59 +0000 | [diff] [blame] | 1227 | lock_fb_info(info); |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1228 | return NOTIFY_OK; |
| 1229 | } |
| 1230 | return NOTIFY_DONE; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1231 | } |
| 1232 | |
| 1233 | static int __init sh_hdmi_probe(struct platform_device *pdev) |
| 1234 | { |
| 1235 | struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data; |
| 1236 | struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1237 | struct sh_mobile_lcdc_board_cfg *board_cfg; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1238 | int irq = platform_get_irq(pdev, 0), ret; |
| 1239 | struct sh_hdmi *hdmi; |
| 1240 | long rate; |
| 1241 | |
| 1242 | if (!res || !pdata || irq < 0) |
| 1243 | return -ENODEV; |
| 1244 | |
| 1245 | hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); |
| 1246 | if (!hdmi) { |
| 1247 | dev_err(&pdev->dev, "Cannot allocate device data\n"); |
| 1248 | return -ENOMEM; |
| 1249 | } |
| 1250 | |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1251 | mutex_init(&hdmi->mutex); |
Kuninori Morimoto | 1d6be33 | 2010-08-31 14:47:07 +0900 | [diff] [blame] | 1252 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1253 | hdmi->dev = &pdev->dev; |
| 1254 | |
| 1255 | hdmi->hdmi_clk = clk_get(&pdev->dev, "ick"); |
| 1256 | if (IS_ERR(hdmi->hdmi_clk)) { |
| 1257 | ret = PTR_ERR(hdmi->hdmi_clk); |
| 1258 | dev_err(&pdev->dev, "Unable to get clock: %d\n", ret); |
| 1259 | goto egetclk; |
| 1260 | } |
| 1261 | |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1262 | /* An arbitrary relaxed pixclock just to get things started: from standard 480p */ |
| 1263 | rate = clk_round_rate(hdmi->hdmi_clk, PICOS2KHZ(37037)); |
| 1264 | if (rate > 0) |
| 1265 | rate = sh_hdmi_clk_configure(hdmi, rate, 0); |
| 1266 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1267 | if (rate < 0) { |
| 1268 | ret = rate; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1269 | goto erate; |
| 1270 | } |
| 1271 | |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1272 | ret = clk_enable(hdmi->hdmi_clk); |
| 1273 | if (ret < 0) { |
| 1274 | dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret); |
| 1275 | goto erate; |
| 1276 | } |
| 1277 | |
Guennadi Liakhovetski | afe417c | 2010-09-03 07:20:39 +0000 | [diff] [blame] | 1278 | dev_dbg(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1279 | |
| 1280 | if (!request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev))) { |
| 1281 | dev_err(&pdev->dev, "HDMI register region already claimed\n"); |
| 1282 | ret = -EBUSY; |
| 1283 | goto ereqreg; |
| 1284 | } |
| 1285 | |
| 1286 | hdmi->base = ioremap(res->start, resource_size(res)); |
| 1287 | if (!hdmi->base) { |
| 1288 | dev_err(&pdev->dev, "HDMI register region already claimed\n"); |
| 1289 | ret = -ENOMEM; |
| 1290 | goto emap; |
| 1291 | } |
| 1292 | |
| 1293 | platform_set_drvdata(pdev, hdmi); |
| 1294 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1295 | /* Set up LCDC callbacks */ |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1296 | board_cfg = &pdata->lcd_chan->board_cfg; |
| 1297 | board_cfg->owner = THIS_MODULE; |
| 1298 | board_cfg->board_data = hdmi; |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 1299 | board_cfg->display_on = sh_hdmi_display_on; |
| 1300 | board_cfg->display_off = sh_hdmi_display_off; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1301 | |
Guennadi Liakhovetski | 6aa966e | 2010-09-03 07:20:31 +0000 | [diff] [blame] | 1302 | INIT_DELAYED_WORK(&hdmi->edid_work, sh_hdmi_edid_work_fn); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1303 | |
| 1304 | pm_runtime_enable(&pdev->dev); |
Guennadi Liakhovetski | d521dd9 | 2011-06-14 14:27:22 +0000 | [diff] [blame] | 1305 | pm_runtime_get_sync(&pdev->dev); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1306 | |
Guennadi Liakhovetski | c36940e | 2010-11-02 11:27:16 +0000 | [diff] [blame] | 1307 | /* Product and revision IDs are 0 in sh-mobile version */ |
| 1308 | dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n", |
| 1309 | hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID)); |
| 1310 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1311 | ret = request_irq(irq, sh_hdmi_hotplug, 0, |
| 1312 | dev_name(&pdev->dev), hdmi); |
| 1313 | if (ret < 0) { |
| 1314 | dev_err(&pdev->dev, "Unable to request irq: %d\n", ret); |
| 1315 | goto ereqirq; |
| 1316 | } |
| 1317 | |
Russell King | b377330 | 2010-10-28 20:14:38 +0100 | [diff] [blame] | 1318 | ret = snd_soc_register_codec(&pdev->dev, |
| 1319 | &soc_codec_dev_sh_hdmi, &sh_hdmi_dai, 1); |
| 1320 | if (ret < 0) { |
| 1321 | dev_err(&pdev->dev, "codec registration failed\n"); |
| 1322 | goto ecodec; |
| 1323 | } |
| 1324 | |
Guennadi Liakhovetski | eb0778b | 2011-01-07 11:57:59 +0000 | [diff] [blame] | 1325 | hdmi->notifier.notifier_call = sh_hdmi_notify; |
| 1326 | fb_register_client(&hdmi->notifier); |
| 1327 | |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1328 | return 0; |
| 1329 | |
Russell King | b377330 | 2010-10-28 20:14:38 +0100 | [diff] [blame] | 1330 | ecodec: |
| 1331 | free_irq(irq, hdmi); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1332 | ereqirq: |
Guennadi Liakhovetski | d521dd9 | 2011-06-14 14:27:22 +0000 | [diff] [blame] | 1333 | pm_runtime_put(&pdev->dev); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1334 | pm_runtime_disable(&pdev->dev); |
| 1335 | iounmap(hdmi->base); |
| 1336 | emap: |
| 1337 | release_mem_region(res->start, resource_size(res)); |
| 1338 | ereqreg: |
| 1339 | clk_disable(hdmi->hdmi_clk); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1340 | erate: |
| 1341 | clk_put(hdmi->hdmi_clk); |
| 1342 | egetclk: |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1343 | mutex_destroy(&hdmi->mutex); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1344 | kfree(hdmi); |
| 1345 | |
| 1346 | return ret; |
| 1347 | } |
| 1348 | |
| 1349 | static int __exit sh_hdmi_remove(struct platform_device *pdev) |
| 1350 | { |
| 1351 | struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data; |
| 1352 | struct sh_hdmi *hdmi = platform_get_drvdata(pdev); |
| 1353 | struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1354 | struct sh_mobile_lcdc_board_cfg *board_cfg = &pdata->lcd_chan->board_cfg; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1355 | int irq = platform_get_irq(pdev, 0); |
| 1356 | |
Kuninori Morimoto | 1d6be33 | 2010-08-31 14:47:07 +0900 | [diff] [blame] | 1357 | snd_soc_unregister_codec(&pdev->dev); |
| 1358 | |
Guennadi Liakhovetski | eb0778b | 2011-01-07 11:57:59 +0000 | [diff] [blame] | 1359 | fb_unregister_client(&hdmi->notifier); |
| 1360 | |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1361 | board_cfg->display_on = NULL; |
| 1362 | board_cfg->display_off = NULL; |
| 1363 | board_cfg->board_data = NULL; |
| 1364 | board_cfg->owner = NULL; |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1365 | |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1366 | /* No new work will be scheduled, wait for running ISR */ |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1367 | free_irq(irq, hdmi); |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1368 | /* Wait for already scheduled work */ |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1369 | cancel_delayed_work_sync(&hdmi->edid_work); |
Guennadi Liakhovetski | d521dd9 | 2011-06-14 14:27:22 +0000 | [diff] [blame] | 1370 | pm_runtime_put(&pdev->dev); |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1371 | pm_runtime_disable(&pdev->dev); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1372 | clk_disable(hdmi->hdmi_clk); |
| 1373 | clk_put(hdmi->hdmi_clk); |
| 1374 | iounmap(hdmi->base); |
| 1375 | release_mem_region(res->start, resource_size(res)); |
Guennadi Liakhovetski | 6de9edd | 2010-09-03 07:20:23 +0000 | [diff] [blame] | 1376 | mutex_destroy(&hdmi->mutex); |
Guennadi Liakhovetski | 6011bde | 2010-07-21 10:13:21 +0000 | [diff] [blame] | 1377 | kfree(hdmi); |
| 1378 | |
| 1379 | return 0; |
| 1380 | } |
| 1381 | |
| 1382 | static struct platform_driver sh_hdmi_driver = { |
| 1383 | .remove = __exit_p(sh_hdmi_remove), |
| 1384 | .driver = { |
| 1385 | .name = "sh-mobile-hdmi", |
| 1386 | }, |
| 1387 | }; |
| 1388 | |
| 1389 | static int __init sh_hdmi_init(void) |
| 1390 | { |
| 1391 | return platform_driver_probe(&sh_hdmi_driver, sh_hdmi_probe); |
| 1392 | } |
| 1393 | module_init(sh_hdmi_init); |
| 1394 | |
| 1395 | static void __exit sh_hdmi_exit(void) |
| 1396 | { |
| 1397 | platform_driver_unregister(&sh_hdmi_driver); |
| 1398 | } |
| 1399 | module_exit(sh_hdmi_exit); |
| 1400 | |
| 1401 | MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); |
| 1402 | MODULE_DESCRIPTION("SuperH / ARM-shmobile HDMI driver"); |
| 1403 | MODULE_LICENSE("GPL v2"); |