mirror of https://gitee.com/openkylin/linux.git
1450 lines
51 KiB
C
1450 lines
51 KiB
C
/*
|
|
* SH-Mobile High-Definition Multimedia Interface (HDMI) driver
|
|
* for SLISHDMI13T and SLIPHDMIT IP cores
|
|
*
|
|
* Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/console.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/err.h>
|
|
#include <linux/init.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/io.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/pm_runtime.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/types.h>
|
|
#include <linux/workqueue.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/soc-dapm.h>
|
|
#include <sound/initval.h>
|
|
|
|
#include <video/sh_mobile_hdmi.h>
|
|
#include <video/sh_mobile_lcdc.h>
|
|
|
|
#include "sh_mobile_lcdcfb.h"
|
|
|
|
/* HDMI Core Control Register (HTOP0) */
|
|
#define HDMI_SYSTEM_CTRL 0x00 /* System control */
|
|
#define HDMI_L_R_DATA_SWAP_CTRL_RPKT 0x01 /* L/R data swap control,
|
|
bits 19..16 of 20-bit N for Audio Clock Regeneration packet */
|
|
#define HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8 0x02 /* bits 15..8 of 20-bit N for Audio Clock Regeneration packet */
|
|
#define HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0 0x03 /* bits 7..0 of 20-bit N for Audio Clock Regeneration packet */
|
|
#define HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS 0x04 /* SPDIF audio sampling frequency,
|
|
bits 19..16 of Internal CTS */
|
|
#define HDMI_INTERNAL_CTS_15_8 0x05 /* bits 15..8 of Internal CTS */
|
|
#define HDMI_INTERNAL_CTS_7_0 0x06 /* bits 7..0 of Internal CTS */
|
|
#define HDMI_EXTERNAL_CTS_19_16 0x07 /* External CTS */
|
|
#define HDMI_EXTERNAL_CTS_15_8 0x08 /* External CTS */
|
|
#define HDMI_EXTERNAL_CTS_7_0 0x09 /* External CTS */
|
|
#define HDMI_AUDIO_SETTING_1 0x0A /* Audio setting.1 */
|
|
#define HDMI_AUDIO_SETTING_2 0x0B /* Audio setting.2 */
|
|
#define HDMI_I2S_AUDIO_SET 0x0C /* I2S audio setting */
|
|
#define HDMI_DSD_AUDIO_SET 0x0D /* DSD audio setting */
|
|
#define HDMI_DEBUG_MONITOR_1 0x0E /* Debug monitor.1 */
|
|
#define HDMI_DEBUG_MONITOR_2 0x0F /* Debug monitor.2 */
|
|
#define HDMI_I2S_INPUT_PIN_SWAP 0x10 /* I2S input pin swap */
|
|
#define HDMI_AUDIO_STATUS_BITS_SETTING_1 0x11 /* Audio status bits setting.1 */
|
|
#define HDMI_AUDIO_STATUS_BITS_SETTING_2 0x12 /* Audio status bits setting.2 */
|
|
#define HDMI_CATEGORY_CODE 0x13 /* Category code */
|
|
#define HDMI_SOURCE_NUM_AUDIO_WORD_LEN 0x14 /* Source number/Audio word length */
|
|
#define HDMI_AUDIO_VIDEO_SETTING_1 0x15 /* Audio/Video setting.1 */
|
|
#define HDMI_VIDEO_SETTING_1 0x16 /* Video setting.1 */
|
|
#define HDMI_DEEP_COLOR_MODES 0x17 /* Deep Color Modes */
|
|
|
|
/* 12 16- and 10-bit Color space conversion parameters: 0x18..0x2f */
|
|
#define HDMI_COLOR_SPACE_CONVERSION_PARAMETERS 0x18
|
|
|
|
#define HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS 0x30 /* External video parameter settings */
|
|
#define HDMI_EXTERNAL_H_TOTAL_7_0 0x31 /* External horizontal total (LSB) */
|
|
#define HDMI_EXTERNAL_H_TOTAL_11_8 0x32 /* External horizontal total (MSB) */
|
|
#define HDMI_EXTERNAL_H_BLANK_7_0 0x33 /* External horizontal blank (LSB) */
|
|
#define HDMI_EXTERNAL_H_BLANK_9_8 0x34 /* External horizontal blank (MSB) */
|
|
#define HDMI_EXTERNAL_H_DELAY_7_0 0x35 /* External horizontal delay (LSB) */
|
|
#define HDMI_EXTERNAL_H_DELAY_9_8 0x36 /* External horizontal delay (MSB) */
|
|
#define HDMI_EXTERNAL_H_DURATION_7_0 0x37 /* External horizontal duration (LSB) */
|
|
#define HDMI_EXTERNAL_H_DURATION_9_8 0x38 /* External horizontal duration (MSB) */
|
|
#define HDMI_EXTERNAL_V_TOTAL_7_0 0x39 /* External vertical total (LSB) */
|
|
#define HDMI_EXTERNAL_V_TOTAL_9_8 0x3A /* External vertical total (MSB) */
|
|
#define HDMI_AUDIO_VIDEO_SETTING_2 0x3B /* Audio/Video setting.2 */
|
|
#define HDMI_EXTERNAL_V_BLANK 0x3D /* External vertical blank */
|
|
#define HDMI_EXTERNAL_V_DELAY 0x3E /* External vertical delay */
|
|
#define HDMI_EXTERNAL_V_DURATION 0x3F /* External vertical duration */
|
|
#define HDMI_CTRL_PKT_MANUAL_SEND_CONTROL 0x40 /* Control packet manual send control */
|
|
#define HDMI_CTRL_PKT_AUTO_SEND 0x41 /* Control packet auto send with VSYNC control */
|
|
#define HDMI_AUTO_CHECKSUM_OPTION 0x42 /* Auto checksum option */
|
|
#define HDMI_VIDEO_SETTING_2 0x45 /* Video setting.2 */
|
|
#define HDMI_OUTPUT_OPTION 0x46 /* Output option */
|
|
#define HDMI_SLIPHDMIT_PARAM_OPTION 0x51 /* SLIPHDMIT parameter option */
|
|
#define HDMI_HSYNC_PMENT_AT_EMB_7_0 0x52 /* HSYNC placement at embedded sync (LSB) */
|
|
#define HDMI_HSYNC_PMENT_AT_EMB_15_8 0x53 /* HSYNC placement at embedded sync (MSB) */
|
|
#define HDMI_VSYNC_PMENT_AT_EMB_7_0 0x54 /* VSYNC placement at embedded sync (LSB) */
|
|
#define HDMI_VSYNC_PMENT_AT_EMB_14_8 0x55 /* VSYNC placement at embedded sync (MSB) */
|
|
#define HDMI_SLIPHDMIT_PARAM_SETTINGS_1 0x56 /* SLIPHDMIT parameter settings.1 */
|
|
#define HDMI_SLIPHDMIT_PARAM_SETTINGS_2 0x57 /* SLIPHDMIT parameter settings.2 */
|
|
#define HDMI_SLIPHDMIT_PARAM_SETTINGS_3 0x58 /* SLIPHDMIT parameter settings.3 */
|
|
#define HDMI_SLIPHDMIT_PARAM_SETTINGS_5 0x59 /* SLIPHDMIT parameter settings.5 */
|
|
#define HDMI_SLIPHDMIT_PARAM_SETTINGS_6 0x5A /* SLIPHDMIT parameter settings.6 */
|
|
#define HDMI_SLIPHDMIT_PARAM_SETTINGS_7 0x5B /* SLIPHDMIT parameter settings.7 */
|
|
#define HDMI_SLIPHDMIT_PARAM_SETTINGS_8 0x5C /* SLIPHDMIT parameter settings.8 */
|
|
#define HDMI_SLIPHDMIT_PARAM_SETTINGS_9 0x5D /* SLIPHDMIT parameter settings.9 */
|
|
#define HDMI_SLIPHDMIT_PARAM_SETTINGS_10 0x5E /* SLIPHDMIT parameter settings.10 */
|
|
#define HDMI_CTRL_PKT_BUF_INDEX 0x5F /* Control packet buffer index */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_HB0 0x60 /* Control packet data buffer access window - HB0 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_HB1 0x61 /* Control packet data buffer access window - HB1 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_HB2 0x62 /* Control packet data buffer access window - HB2 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB0 0x63 /* Control packet data buffer access window - PB0 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB1 0x64 /* Control packet data buffer access window - PB1 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB2 0x65 /* Control packet data buffer access window - PB2 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB3 0x66 /* Control packet data buffer access window - PB3 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB4 0x67 /* Control packet data buffer access window - PB4 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB5 0x68 /* Control packet data buffer access window - PB5 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB6 0x69 /* Control packet data buffer access window - PB6 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB7 0x6A /* Control packet data buffer access window - PB7 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB8 0x6B /* Control packet data buffer access window - PB8 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB9 0x6C /* Control packet data buffer access window - PB9 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB10 0x6D /* Control packet data buffer access window - PB10 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB11 0x6E /* Control packet data buffer access window - PB11 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB12 0x6F /* Control packet data buffer access window - PB12 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB13 0x70 /* Control packet data buffer access window - PB13 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB14 0x71 /* Control packet data buffer access window - PB14 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB15 0x72 /* Control packet data buffer access window - PB15 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB16 0x73 /* Control packet data buffer access window - PB16 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB17 0x74 /* Control packet data buffer access window - PB17 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB18 0x75 /* Control packet data buffer access window - PB18 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB19 0x76 /* Control packet data buffer access window - PB19 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB20 0x77 /* Control packet data buffer access window - PB20 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB21 0x78 /* Control packet data buffer access window - PB21 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB22 0x79 /* Control packet data buffer access window - PB22 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB23 0x7A /* Control packet data buffer access window - PB23 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB24 0x7B /* Control packet data buffer access window - PB24 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB25 0x7C /* Control packet data buffer access window - PB25 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB26 0x7D /* Control packet data buffer access window - PB26 */
|
|
#define HDMI_CTRL_PKT_BUF_ACCESS_PB27 0x7E /* Control packet data buffer access window - PB27 */
|
|
#define HDMI_EDID_KSV_FIFO_ACCESS_WINDOW 0x80 /* EDID/KSV FIFO access window */
|
|
#define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_7_0 0x81 /* DDC bus access frequency control (LSB) */
|
|
#define HDMI_DDC_BUS_ACCESS_FREQ_CTRL_15_8 0x82 /* DDC bus access frequency control (MSB) */
|
|
#define HDMI_INTERRUPT_MASK_1 0x92 /* Interrupt mask.1 */
|
|
#define HDMI_INTERRUPT_MASK_2 0x93 /* Interrupt mask.2 */
|
|
#define HDMI_INTERRUPT_STATUS_1 0x94 /* Interrupt status.1 */
|
|
#define HDMI_INTERRUPT_STATUS_2 0x95 /* Interrupt status.2 */
|
|
#define HDMI_INTERRUPT_MASK_3 0x96 /* Interrupt mask.3 */
|
|
#define HDMI_INTERRUPT_MASK_4 0x97 /* Interrupt mask.4 */
|
|
#define HDMI_INTERRUPT_STATUS_3 0x98 /* Interrupt status.3 */
|
|
#define HDMI_INTERRUPT_STATUS_4 0x99 /* Interrupt status.4 */
|
|
#define HDMI_SOFTWARE_HDCP_CONTROL_1 0x9A /* Software HDCP control.1 */
|
|
#define HDMI_FRAME_COUNTER 0x9C /* Frame counter */
|
|
#define HDMI_FRAME_COUNTER_FOR_RI_CHECK 0x9D /* Frame counter for Ri check */
|
|
#define HDMI_HDCP_CONTROL 0xAF /* HDCP control */
|
|
#define HDMI_RI_FRAME_COUNT_REGISTER 0xB2 /* Ri frame count register */
|
|
#define HDMI_DDC_BUS_CONTROL 0xB7 /* DDC bus control */
|
|
#define HDMI_HDCP_STATUS 0xB8 /* HDCP status */
|
|
#define HDMI_SHA0 0xB9 /* sha0 */
|
|
#define HDMI_SHA1 0xBA /* sha1 */
|
|
#define HDMI_SHA2 0xBB /* sha2 */
|
|
#define HDMI_SHA3 0xBC /* sha3 */
|
|
#define HDMI_SHA4 0xBD /* sha4 */
|
|
#define HDMI_BCAPS_READ 0xBE /* BCAPS read / debug */
|
|
#define HDMI_AKSV_BKSV_7_0_MONITOR 0xBF /* AKSV/BKSV[7:0] monitor */
|
|
#define HDMI_AKSV_BKSV_15_8_MONITOR 0xC0 /* AKSV/BKSV[15:8] monitor */
|
|
#define HDMI_AKSV_BKSV_23_16_MONITOR 0xC1 /* AKSV/BKSV[23:16] monitor */
|
|
#define HDMI_AKSV_BKSV_31_24_MONITOR 0xC2 /* AKSV/BKSV[31:24] monitor */
|
|
#define HDMI_AKSV_BKSV_39_32_MONITOR 0xC3 /* AKSV/BKSV[39:32] monitor */
|
|
#define HDMI_EDID_SEGMENT_POINTER 0xC4 /* EDID segment pointer */
|
|
#define HDMI_EDID_WORD_ADDRESS 0xC5 /* EDID word address */
|
|
#define HDMI_EDID_DATA_FIFO_ADDRESS 0xC6 /* EDID data FIFO address */
|
|
#define HDMI_NUM_OF_HDMI_DEVICES 0xC7 /* Number of HDMI devices */
|
|
#define HDMI_HDCP_ERROR_CODE 0xC8 /* HDCP error code */
|
|
#define HDMI_100MS_TIMER_SET 0xC9 /* 100ms timer setting */
|
|
#define HDMI_5SEC_TIMER_SET 0xCA /* 5sec timer setting */
|
|
#define HDMI_RI_READ_COUNT 0xCB /* Ri read count */
|
|
#define HDMI_AN_SEED 0xCC /* An seed */
|
|
#define HDMI_MAX_NUM_OF_RCIVRS_ALLOWED 0xCD /* Maximum number of receivers allowed */
|
|
#define HDMI_HDCP_MEMORY_ACCESS_CONTROL_1 0xCE /* HDCP memory access control.1 */
|
|
#define HDMI_HDCP_MEMORY_ACCESS_CONTROL_2 0xCF /* HDCP memory access control.2 */
|
|
#define HDMI_HDCP_CONTROL_2 0xD0 /* HDCP Control 2 */
|
|
#define HDMI_HDCP_KEY_MEMORY_CONTROL 0xD2 /* HDCP Key Memory Control */
|
|
#define HDMI_COLOR_SPACE_CONV_CONFIG_1 0xD3 /* Color space conversion configuration.1 */
|
|
#define HDMI_VIDEO_SETTING_3 0xD4 /* Video setting.3 */
|
|
#define HDMI_RI_7_0 0xD5 /* Ri[7:0] */
|
|
#define HDMI_RI_15_8 0xD6 /* Ri[15:8] */
|
|
#define HDMI_PJ 0xD7 /* Pj */
|
|
#define HDMI_SHA_RD 0xD8 /* sha_rd */
|
|
#define HDMI_RI_7_0_SAVED 0xD9 /* Ri[7:0] saved */
|
|
#define HDMI_RI_15_8_SAVED 0xDA /* Ri[15:8] saved */
|
|
#define HDMI_PJ_SAVED 0xDB /* Pj saved */
|
|
#define HDMI_NUM_OF_DEVICES 0xDC /* Number of devices */
|
|
#define HDMI_HOT_PLUG_MSENS_STATUS 0xDF /* Hot plug/MSENS status */
|
|
#define HDMI_BCAPS_WRITE 0xE0 /* bcaps */
|
|
#define HDMI_BSTAT_7_0 0xE1 /* bstat[7:0] */
|
|
#define HDMI_BSTAT_15_8 0xE2 /* bstat[15:8] */
|
|
#define HDMI_BKSV_7_0 0xE3 /* bksv[7:0] */
|
|
#define HDMI_BKSV_15_8 0xE4 /* bksv[15:8] */
|
|
#define HDMI_BKSV_23_16 0xE5 /* bksv[23:16] */
|
|
#define HDMI_BKSV_31_24 0xE6 /* bksv[31:24] */
|
|
#define HDMI_BKSV_39_32 0xE7 /* bksv[39:32] */
|
|
#define HDMI_AN_7_0 0xE8 /* An[7:0] */
|
|
#define HDMI_AN_15_8 0xE9 /* An [15:8] */
|
|
#define HDMI_AN_23_16 0xEA /* An [23:16] */
|
|
#define HDMI_AN_31_24 0xEB /* An [31:24] */
|
|
#define HDMI_AN_39_32 0xEC /* An [39:32] */
|
|
#define HDMI_AN_47_40 0xED /* An [47:40] */
|
|
#define HDMI_AN_55_48 0xEE /* An [55:48] */
|
|
#define HDMI_AN_63_56 0xEF /* An [63:56] */
|
|
#define HDMI_PRODUCT_ID 0xF0 /* Product ID */
|
|
#define HDMI_REVISION_ID 0xF1 /* Revision ID */
|
|
#define HDMI_TEST_MODE 0xFE /* Test mode */
|
|
|
|
/* HDMI Control Register (HTOP1) */
|
|
#define HDMI_HTOP1_TEST_MODE 0x0000 /* Test mode */
|
|
#define HDMI_HTOP1_VIDEO_INPUT 0x0008 /* VideoInput */
|
|
#define HDMI_HTOP1_CORE_RSTN 0x000C /* CoreResetn */
|
|
#define HDMI_HTOP1_PLLBW 0x0018 /* PLLBW */
|
|
#define HDMI_HTOP1_CLK_TO_PHY 0x001C /* Clk to Phy */
|
|
#define HDMI_HTOP1_VIDEO_INPUT2 0x0020 /* VideoInput2 */
|
|
#define HDMI_HTOP1_TISEMP0_1 0x0024 /* tisemp0-1 */
|
|
#define HDMI_HTOP1_TISEMP2_C 0x0028 /* tisemp2-c */
|
|
#define HDMI_HTOP1_TISIDRV 0x002C /* tisidrv */
|
|
#define HDMI_HTOP1_TISEN 0x0034 /* tisen */
|
|
#define HDMI_HTOP1_TISDREN 0x0038 /* tisdren */
|
|
#define HDMI_HTOP1_CISRANGE 0x003C /* cisrange */
|
|
#define HDMI_HTOP1_ENABLE_SELECTOR 0x0040 /* Enable Selector */
|
|
#define HDMI_HTOP1_MACRO_RESET 0x0044 /* Macro reset */
|
|
#define HDMI_HTOP1_PLL_CALIBRATION 0x0048 /* PLL calibration */
|
|
#define HDMI_HTOP1_RE_CALIBRATION 0x004C /* Re-calibration */
|
|
#define HDMI_HTOP1_CURRENT 0x0050 /* Current */
|
|
#define HDMI_HTOP1_PLL_LOCK_DETECT 0x0054 /* PLL lock detect */
|
|
#define HDMI_HTOP1_PHY_TEST_MODE 0x0058 /* PHY Test Mode */
|
|
#define HDMI_HTOP1_CLK_SET 0x0080 /* Clock Set */
|
|
#define HDMI_HTOP1_DDC_FAIL_SAFE 0x0084 /* DDC fail safe */
|
|
#define HDMI_HTOP1_PRBS 0x0088 /* PRBS */
|
|
#define HDMI_HTOP1_EDID_AINC_CONTROL 0x008C /* EDID ainc Control */
|
|
#define HDMI_HTOP1_HTOP_DCL_MODE 0x00FC /* Deep Coloer Mode */
|
|
#define HDMI_HTOP1_HTOP_DCL_FRC_COEF0 0x0100 /* Deep Color:FRC COEF0 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FRC_COEF1 0x0104 /* Deep Color:FRC COEF1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FRC_COEF2 0x0108 /* Deep Color:FRC COEF2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FRC_COEF3 0x010C /* Deep Color:FRC COEF3 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FRC_COEF0_C 0x0110 /* Deep Color:FRC COEF0C */
|
|
#define HDMI_HTOP1_HTOP_DCL_FRC_COEF1_C 0x0114 /* Deep Color:FRC COEF1C */
|
|
#define HDMI_HTOP1_HTOP_DCL_FRC_COEF2_C 0x0118 /* Deep Color:FRC COEF2C */
|
|
#define HDMI_HTOP1_HTOP_DCL_FRC_COEF3_C 0x011C /* Deep Color:FRC COEF3C */
|
|
#define HDMI_HTOP1_HTOP_DCL_FRC_MODE 0x0120 /* Deep Color:FRC Mode */
|
|
#define HDMI_HTOP1_HTOP_DCL_RECT_START1 0x0124 /* Deep Color:Rect Start1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE1 0x0128 /* Deep Color:Rect Size1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_RECT_START2 0x012C /* Deep Color:Rect Start2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE2 0x0130 /* Deep Color:Rect Size2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_RECT_START3 0x0134 /* Deep Color:Rect Start3 */
|
|
#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE3 0x0138 /* Deep Color:Rect Size3 */
|
|
#define HDMI_HTOP1_HTOP_DCL_RECT_START4 0x013C /* Deep Color:Rect Start4 */
|
|
#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE4 0x0140 /* Deep Color:Rect Size4 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_1 0x0144 /* Deep Color:Fil Para Y1_1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_2 0x0148 /* Deep Color:Fil Para Y1_2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_1 0x014C /* Deep Color:Fil Para CB1_1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_2 0x0150 /* Deep Color:Fil Para CB1_2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_1 0x0154 /* Deep Color:Fil Para CR1_1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_2 0x0158 /* Deep Color:Fil Para CR1_2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_1 0x015C /* Deep Color:Fil Para Y2_1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_2 0x0160 /* Deep Color:Fil Para Y2_2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_1 0x0164 /* Deep Color:Fil Para CB2_1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_2 0x0168 /* Deep Color:Fil Para CB2_2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_1 0x016C /* Deep Color:Fil Para CR2_1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_2 0x0170 /* Deep Color:Fil Para CR2_2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_COR_PARA_Y1 0x0174 /* Deep Color:Cor Para Y1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CB1 0x0178 /* Deep Color:Cor Para CB1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CR1 0x017C /* Deep Color:Cor Para CR1 */
|
|
#define HDMI_HTOP1_HTOP_DCL_COR_PARA_Y2 0x0180 /* Deep Color:Cor Para Y2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CB2 0x0184 /* Deep Color:Cor Para CB2 */
|
|
#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CR2 0x0188 /* Deep Color:Cor Para CR2 */
|
|
#define HDMI_HTOP1_EDID_DATA_READ 0x0200 /* EDID Data Read 128Byte:0x03FC */
|
|
|
|
enum hotplug_state {
|
|
HDMI_HOTPLUG_DISCONNECTED,
|
|
HDMI_HOTPLUG_CONNECTED,
|
|
HDMI_HOTPLUG_EDID_DONE,
|
|
};
|
|
|
|
struct sh_hdmi {
|
|
struct sh_mobile_lcdc_entity entity;
|
|
|
|
void __iomem *base;
|
|
void __iomem *htop1;
|
|
enum hotplug_state hp_state; /* hot-plug status */
|
|
u8 preprogrammed_vic; /* use a pre-programmed VIC or
|
|
the external mode */
|
|
u8 edid_block_addr;
|
|
u8 edid_segment_nr;
|
|
u8 edid_blocks;
|
|
struct clk *hdmi_clk;
|
|
struct device *dev;
|
|
struct delayed_work edid_work;
|
|
struct fb_videomode mode;
|
|
struct fb_monspecs monspec;
|
|
|
|
/* register access functions */
|
|
void (*write)(struct sh_hdmi *hdmi, u8 data, u8 reg);
|
|
u8 (*read)(struct sh_hdmi *hdmi, u8 reg);
|
|
};
|
|
|
|
#define entity_to_sh_hdmi(e) container_of(e, struct sh_hdmi, entity)
|
|
|
|
static void __hdmi_write8(struct sh_hdmi *hdmi, u8 data, u8 reg)
|
|
{
|
|
iowrite8(data, hdmi->base + reg);
|
|
}
|
|
|
|
static u8 __hdmi_read8(struct sh_hdmi *hdmi, u8 reg)
|
|
{
|
|
return ioread8(hdmi->base + reg);
|
|
}
|
|
|
|
static void __hdmi_write32(struct sh_hdmi *hdmi, u8 data, u8 reg)
|
|
{
|
|
iowrite32((u32)data, hdmi->base + (reg * 4));
|
|
udelay(100);
|
|
}
|
|
|
|
static u8 __hdmi_read32(struct sh_hdmi *hdmi, u8 reg)
|
|
{
|
|
return (u8)ioread32(hdmi->base + (reg * 4));
|
|
}
|
|
|
|
static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg)
|
|
{
|
|
hdmi->write(hdmi, data, reg);
|
|
}
|
|
|
|
static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg)
|
|
{
|
|
return hdmi->read(hdmi, reg);
|
|
}
|
|
|
|
static void hdmi_bit_set(struct sh_hdmi *hdmi, u8 mask, u8 data, u8 reg)
|
|
{
|
|
u8 val = hdmi_read(hdmi, reg);
|
|
|
|
val &= ~mask;
|
|
val |= (data & mask);
|
|
|
|
hdmi_write(hdmi, val, reg);
|
|
}
|
|
|
|
static void hdmi_htop1_write(struct sh_hdmi *hdmi, u32 data, u32 reg)
|
|
{
|
|
iowrite32(data, hdmi->htop1 + reg);
|
|
udelay(100);
|
|
}
|
|
|
|
static u32 hdmi_htop1_read(struct sh_hdmi *hdmi, u32 reg)
|
|
{
|
|
return ioread32(hdmi->htop1 + reg);
|
|
}
|
|
|
|
/*
|
|
* HDMI sound
|
|
*/
|
|
static unsigned int sh_hdmi_snd_read(struct snd_soc_codec *codec,
|
|
unsigned int reg)
|
|
{
|
|
struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec);
|
|
|
|
return hdmi_read(hdmi, reg);
|
|
}
|
|
|
|
static int sh_hdmi_snd_write(struct snd_soc_codec *codec,
|
|
unsigned int reg,
|
|
unsigned int value)
|
|
{
|
|
struct sh_hdmi *hdmi = snd_soc_codec_get_drvdata(codec);
|
|
|
|
hdmi_write(hdmi, value, reg);
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_dai_driver sh_hdmi_dai = {
|
|
.name = "sh_mobile_hdmi-hifi",
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 8,
|
|
.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
|
|
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
|
|
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
|
|
SNDRV_PCM_RATE_192000,
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
|
|
},
|
|
};
|
|
|
|
static int sh_hdmi_snd_probe(struct snd_soc_codec *codec)
|
|
{
|
|
dev_info(codec->dev, "SH Mobile HDMI Audio Codec");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_codec_driver soc_codec_dev_sh_hdmi = {
|
|
.probe = sh_hdmi_snd_probe,
|
|
.read = sh_hdmi_snd_read,
|
|
.write = sh_hdmi_snd_write,
|
|
};
|
|
|
|
/*
|
|
* HDMI video
|
|
*/
|
|
|
|
/* External video parameter settings */
|
|
static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
|
|
{
|
|
struct fb_videomode *mode = &hdmi->mode;
|
|
u16 htotal, hblank, hdelay, vtotal, vblank, vdelay, voffset;
|
|
u8 sync = 0;
|
|
|
|
htotal = mode->xres + mode->right_margin + mode->left_margin
|
|
+ mode->hsync_len;
|
|
hdelay = mode->hsync_len + mode->left_margin;
|
|
hblank = mode->right_margin + hdelay;
|
|
|
|
/*
|
|
* Vertical timing looks a bit different in Figure 18,
|
|
* but let's try the same first by setting offset = 0
|
|
*/
|
|
vtotal = mode->yres + mode->upper_margin + mode->lower_margin
|
|
+ mode->vsync_len;
|
|
vdelay = mode->vsync_len + mode->upper_margin;
|
|
vblank = mode->lower_margin + vdelay;
|
|
voffset = min(mode->upper_margin / 2, 6U);
|
|
|
|
/*
|
|
* [3]: VSYNC polarity: Positive
|
|
* [2]: HSYNC polarity: Positive
|
|
* [1]: Interlace/Progressive: Progressive
|
|
* [0]: External video settings enable: used.
|
|
*/
|
|
if (mode->sync & FB_SYNC_HOR_HIGH_ACT)
|
|
sync |= 4;
|
|
if (mode->sync & FB_SYNC_VERT_HIGH_ACT)
|
|
sync |= 8;
|
|
|
|
dev_dbg(hdmi->dev, "H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n",
|
|
htotal, hblank, hdelay, mode->hsync_len,
|
|
vtotal, vblank, vdelay, mode->vsync_len, sync);
|
|
|
|
hdmi_write(hdmi, sync | (voffset << 4), HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
|
|
|
|
hdmi_write(hdmi, htotal, HDMI_EXTERNAL_H_TOTAL_7_0);
|
|
hdmi_write(hdmi, htotal >> 8, HDMI_EXTERNAL_H_TOTAL_11_8);
|
|
|
|
hdmi_write(hdmi, hblank, HDMI_EXTERNAL_H_BLANK_7_0);
|
|
hdmi_write(hdmi, hblank >> 8, HDMI_EXTERNAL_H_BLANK_9_8);
|
|
|
|
hdmi_write(hdmi, hdelay, HDMI_EXTERNAL_H_DELAY_7_0);
|
|
hdmi_write(hdmi, hdelay >> 8, HDMI_EXTERNAL_H_DELAY_9_8);
|
|
|
|
hdmi_write(hdmi, mode->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0);
|
|
hdmi_write(hdmi, mode->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8);
|
|
|
|
hdmi_write(hdmi, vtotal, HDMI_EXTERNAL_V_TOTAL_7_0);
|
|
hdmi_write(hdmi, vtotal >> 8, HDMI_EXTERNAL_V_TOTAL_9_8);
|
|
|
|
hdmi_write(hdmi, vblank, HDMI_EXTERNAL_V_BLANK);
|
|
|
|
hdmi_write(hdmi, vdelay, HDMI_EXTERNAL_V_DELAY);
|
|
|
|
hdmi_write(hdmi, mode->vsync_len, HDMI_EXTERNAL_V_DURATION);
|
|
|
|
/* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */
|
|
if (!hdmi->preprogrammed_vic)
|
|
hdmi_write(hdmi, sync | 1 | (voffset << 4),
|
|
HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
|
|
}
|
|
|
|
/**
|
|
* sh_hdmi_video_config()
|
|
*/
|
|
static void sh_hdmi_video_config(struct sh_hdmi *hdmi)
|
|
{
|
|
/*
|
|
* [7:4]: Audio sampling frequency: 48kHz
|
|
* [3:1]: Input video format: RGB and YCbCr 4:4:4 (Y on Green)
|
|
* [0]: Internal/External DE select: internal
|
|
*/
|
|
hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1);
|
|
|
|
/*
|
|
* [7:6]: Video output format: RGB 4:4:4
|
|
* [5:4]: Input video data width: 8 bit
|
|
* [3:1]: EAV/SAV location: channel 1
|
|
* [0]: Video input color space: RGB
|
|
*/
|
|
hdmi_write(hdmi, 0x34, HDMI_VIDEO_SETTING_1);
|
|
|
|
/*
|
|
* [7:6]: Together with bit [6] of HDMI_AUDIO_VIDEO_SETTING_2, which is
|
|
* left at 0 by default, this configures 24bpp and sets the Color Depth
|
|
* (CD) field in the General Control Packet
|
|
*/
|
|
hdmi_write(hdmi, 0x20, HDMI_DEEP_COLOR_MODES);
|
|
}
|
|
|
|
/**
|
|
* sh_hdmi_audio_config()
|
|
*/
|
|
static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
|
|
{
|
|
u8 data;
|
|
struct sh_mobile_hdmi_info *pdata = dev_get_platdata(hdmi->dev);
|
|
|
|
/*
|
|
* [7:4] L/R data swap control
|
|
* [3:0] appropriate N[19:16]
|
|
*/
|
|
hdmi_write(hdmi, 0x00, HDMI_L_R_DATA_SWAP_CTRL_RPKT);
|
|
/* appropriate N[15:8] */
|
|
hdmi_write(hdmi, 0x18, HDMI_20_BIT_N_FOR_AUDIO_RPKT_15_8);
|
|
/* appropriate N[7:0] */
|
|
hdmi_write(hdmi, 0x00, HDMI_20_BIT_N_FOR_AUDIO_RPKT_7_0);
|
|
|
|
/* [7:4] 48 kHz SPDIF not used */
|
|
hdmi_write(hdmi, 0x20, HDMI_SPDIF_AUDIO_SAMP_FREQ_CTS);
|
|
|
|
/*
|
|
* [6:5] set required down sampling rate if required
|
|
* [4:3] set required audio source
|
|
*/
|
|
switch (pdata->flags & HDMI_SND_SRC_MASK) {
|
|
default:
|
|
/* fall through */
|
|
case HDMI_SND_SRC_I2S:
|
|
data = 0x0 << 3;
|
|
break;
|
|
case HDMI_SND_SRC_SPDIF:
|
|
data = 0x1 << 3;
|
|
break;
|
|
case HDMI_SND_SRC_DSD:
|
|
data = 0x2 << 3;
|
|
break;
|
|
case HDMI_SND_SRC_HBR:
|
|
data = 0x3 << 3;
|
|
break;
|
|
}
|
|
hdmi_write(hdmi, data, HDMI_AUDIO_SETTING_1);
|
|
|
|
/* [3:0] set sending channel number for channel status */
|
|
hdmi_write(hdmi, 0x40, HDMI_AUDIO_SETTING_2);
|
|
|
|
/*
|
|
* [5:2] set valid I2S source input pin
|
|
* [1:0] set input I2S source mode
|
|
*/
|
|
hdmi_write(hdmi, 0x04, HDMI_I2S_AUDIO_SET);
|
|
|
|
/* [7:4] set valid DSD source input pin */
|
|
hdmi_write(hdmi, 0x00, HDMI_DSD_AUDIO_SET);
|
|
|
|
/* [7:0] set appropriate I2S input pin swap settings if required */
|
|
hdmi_write(hdmi, 0x00, HDMI_I2S_INPUT_PIN_SWAP);
|
|
|
|
/*
|
|
* [7] set validity bit for channel status
|
|
* [3:0] set original sample frequency for channel status
|
|
*/
|
|
hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_1);
|
|
|
|
/*
|
|
* [7] set value for channel status
|
|
* [6] set value for channel status
|
|
* [5] set copyright bit for channel status
|
|
* [4:2] set additional information for channel status
|
|
* [1:0] set clock accuracy for channel status
|
|
*/
|
|
hdmi_write(hdmi, 0x00, HDMI_AUDIO_STATUS_BITS_SETTING_2);
|
|
|
|
/* [7:0] set category code for channel status */
|
|
hdmi_write(hdmi, 0x00, HDMI_CATEGORY_CODE);
|
|
|
|
/*
|
|
* [7:4] set source number for channel status
|
|
* [3:0] set word length for channel status
|
|
*/
|
|
hdmi_write(hdmi, 0x00, HDMI_SOURCE_NUM_AUDIO_WORD_LEN);
|
|
|
|
/* [7:4] set sample frequency for channel status */
|
|
hdmi_write(hdmi, 0x20, HDMI_AUDIO_VIDEO_SETTING_1);
|
|
}
|
|
|
|
/**
|
|
* sh_hdmi_phy_config() - configure the HDMI PHY for the used video mode
|
|
*/
|
|
static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
|
|
{
|
|
if (hdmi->mode.pixclock < 10000) {
|
|
/* for 1080p8bit 148MHz */
|
|
hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
|
|
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
|
|
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
|
|
hdmi_write(hdmi, 0x4c, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
|
|
hdmi_write(hdmi, 0x1e, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
|
|
hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
|
|
hdmi_write(hdmi, 0x0e, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
|
|
hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
|
|
hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
|
|
} else if (hdmi->mode.pixclock < 30000) {
|
|
/* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
|
|
/*
|
|
* [1:0] Speed_A
|
|
* [3:2] Speed_B
|
|
* [4] PLLA_Bypass
|
|
* [6] DRV_TEST_EN
|
|
* [7] DRV_TEST_IN
|
|
*/
|
|
hdmi_write(hdmi, 0x0f, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
|
|
/* PLLB_CONFIG[17], PLLA_CONFIG[17] - not in PHY datasheet */
|
|
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
|
|
/*
|
|
* [2:0] BGR_I_OFFSET
|
|
* [6:4] BGR_V_OFFSET
|
|
*/
|
|
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
|
|
/* PLLA_CONFIG[7:0]: VCO gain, VCO offset, LPF resistance[0] */
|
|
hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
|
|
/*
|
|
* PLLA_CONFIG[15:8]: regulator voltage[0], CP current,
|
|
* LPF capacitance, LPF resistance[1]
|
|
*/
|
|
hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
|
|
/* PLLB_CONFIG[7:0]: LPF resistance[0], VCO offset, VCO gain */
|
|
hdmi_write(hdmi, 0x4A, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
|
|
/*
|
|
* PLLB_CONFIG[15:8]: regulator voltage[0], CP current,
|
|
* LPF capacitance, LPF resistance[1]
|
|
*/
|
|
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
|
|
/* DRV_CONFIG, PE_CONFIG */
|
|
hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
|
|
/*
|
|
* [2:0] AMON_SEL (4 == LPF voltage)
|
|
* [4] PLLA_CONFIG[16]
|
|
* [5] PLLB_CONFIG[16]
|
|
*/
|
|
hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
|
|
} else {
|
|
/* for 480p8bit 27MHz */
|
|
hdmi_write(hdmi, 0x19, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
|
|
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
|
|
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
|
|
hdmi_write(hdmi, 0x44, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
|
|
hdmi_write(hdmi, 0x32, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
|
|
hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
|
|
hdmi_write(hdmi, 0x0F, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
|
|
hdmi_write(hdmi, 0x20, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
|
|
hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* sh_hdmi_avi_infoframe_setup() - Auxiliary Video Information InfoFrame CONTROL PACKET
|
|
*/
|
|
static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
|
|
{
|
|
u8 vic;
|
|
|
|
/* AVI InfoFrame */
|
|
hdmi_write(hdmi, 0x06, HDMI_CTRL_PKT_BUF_INDEX);
|
|
|
|
/* Packet Type = 0x82 */
|
|
hdmi_write(hdmi, 0x82, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
|
|
|
|
/* Version = 0x02 */
|
|
hdmi_write(hdmi, 0x02, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
|
|
|
|
/* Length = 13 (0x0D) */
|
|
hdmi_write(hdmi, 0x0D, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
|
|
|
|
/* N. A. Checksum */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0);
|
|
|
|
/*
|
|
* Y = RGB
|
|
* A0 = No Data
|
|
* B = Bar Data not valid
|
|
* S = No Data
|
|
*/
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1);
|
|
|
|
/*
|
|
* [7:6] C = Colorimetry: no data
|
|
* [5:4] M = 2: 16:9, 1: 4:3 Picture Aspect Ratio
|
|
* [3:0] R = 8: Active Frame Aspect Ratio: same as picture aspect ratio
|
|
*/
|
|
hdmi_write(hdmi, 0x28, HDMI_CTRL_PKT_BUF_ACCESS_PB2);
|
|
|
|
/*
|
|
* ITC = No Data
|
|
* EC = xvYCC601
|
|
* Q = Default (depends on video format)
|
|
* SC = No Known non_uniform Scaling
|
|
*/
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
|
|
|
|
/*
|
|
* VIC should be ignored if external config is used, so, we could just use 0,
|
|
* but play safe and use a valid value in any case just in case
|
|
*/
|
|
if (hdmi->preprogrammed_vic)
|
|
vic = hdmi->preprogrammed_vic;
|
|
else
|
|
vic = 4;
|
|
hdmi_write(hdmi, vic, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
|
|
|
|
/* PR = No Repetition */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5);
|
|
|
|
/* Line Number of End of Top Bar (lower 8 bits) */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB6);
|
|
|
|
/* Line Number of End of Top Bar (upper 8 bits) */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB7);
|
|
|
|
/* Line Number of Start of Bottom Bar (lower 8 bits) */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB8);
|
|
|
|
/* Line Number of Start of Bottom Bar (upper 8 bits) */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB9);
|
|
|
|
/* Pixel Number of End of Left Bar (lower 8 bits) */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10);
|
|
|
|
/* Pixel Number of End of Left Bar (upper 8 bits) */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB11);
|
|
|
|
/* Pixel Number of Start of Right Bar (lower 8 bits) */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB12);
|
|
|
|
/* Pixel Number of Start of Right Bar (upper 8 bits) */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB13);
|
|
}
|
|
|
|
/**
|
|
* sh_hdmi_audio_infoframe_setup() - Audio InfoFrame of CONTROL PACKET
|
|
*/
|
|
static void sh_hdmi_audio_infoframe_setup(struct sh_hdmi *hdmi)
|
|
{
|
|
/* Audio InfoFrame */
|
|
hdmi_write(hdmi, 0x08, HDMI_CTRL_PKT_BUF_INDEX);
|
|
|
|
/* Packet Type = 0x84 */
|
|
hdmi_write(hdmi, 0x84, HDMI_CTRL_PKT_BUF_ACCESS_HB0);
|
|
|
|
/* Version Number = 0x01 */
|
|
hdmi_write(hdmi, 0x01, HDMI_CTRL_PKT_BUF_ACCESS_HB1);
|
|
|
|
/* 0 Length = 10 (0x0A) */
|
|
hdmi_write(hdmi, 0x0A, HDMI_CTRL_PKT_BUF_ACCESS_HB2);
|
|
|
|
/* n. a. Checksum */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB0);
|
|
|
|
/* Audio Channel Count = Refer to Stream Header */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB1);
|
|
|
|
/* Refer to Stream Header */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB2);
|
|
|
|
/* Format depends on coding type (i.e. CT0...CT3) */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
|
|
|
|
/* Speaker Channel Allocation = Front Right + Front Left */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
|
|
|
|
/* Level Shift Value = 0 dB, Down - mix is permitted or no information */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB5);
|
|
|
|
/* Reserved (0) */
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB6);
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB7);
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB8);
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB9);
|
|
hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB10);
|
|
}
|
|
|
|
/**
|
|
* sh_hdmi_configure() - Initialise HDMI for output
|
|
*/
|
|
static void sh_hdmi_configure(struct sh_hdmi *hdmi)
|
|
{
|
|
/* Configure video format */
|
|
sh_hdmi_video_config(hdmi);
|
|
|
|
/* Configure audio format */
|
|
sh_hdmi_audio_config(hdmi);
|
|
|
|
/* Configure PHY */
|
|
sh_hdmi_phy_config(hdmi);
|
|
|
|
/* Auxiliary Video Information (AVI) InfoFrame */
|
|
sh_hdmi_avi_infoframe_setup(hdmi);
|
|
|
|
/* Audio InfoFrame */
|
|
sh_hdmi_audio_infoframe_setup(hdmi);
|
|
|
|
/*
|
|
* Control packet auto send with VSYNC control: auto send
|
|
* General control, Gamut metadata, ISRC, and ACP packets
|
|
*/
|
|
hdmi_write(hdmi, 0x8E, HDMI_CTRL_PKT_AUTO_SEND);
|
|
|
|
/* FIXME */
|
|
msleep(10);
|
|
|
|
/* PS mode b->d, reset PLLA and PLLB */
|
|
hdmi_bit_set(hdmi, 0xFC, 0x4C, HDMI_SYSTEM_CTRL);
|
|
|
|
udelay(10);
|
|
|
|
hdmi_bit_set(hdmi, 0xFC, 0x40, HDMI_SYSTEM_CTRL);
|
|
}
|
|
|
|
static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
|
|
const struct fb_videomode *mode,
|
|
unsigned long *hdmi_rate, unsigned long *parent_rate)
|
|
{
|
|
unsigned long target = PICOS2KHZ(mode->pixclock) * 1000, rate_error;
|
|
struct sh_mobile_hdmi_info *pdata = dev_get_platdata(hdmi->dev);
|
|
|
|
*hdmi_rate = clk_round_rate(hdmi->hdmi_clk, target);
|
|
if ((long)*hdmi_rate < 0)
|
|
*hdmi_rate = clk_get_rate(hdmi->hdmi_clk);
|
|
|
|
rate_error = (long)*hdmi_rate > 0 ? abs(*hdmi_rate - target) : ULONG_MAX;
|
|
if (rate_error && pdata->clk_optimize_parent)
|
|
rate_error = pdata->clk_optimize_parent(target, hdmi_rate, parent_rate);
|
|
else if (clk_get_parent(hdmi->hdmi_clk))
|
|
*parent_rate = clk_get_rate(clk_get_parent(hdmi->hdmi_clk));
|
|
|
|
dev_dbg(hdmi->dev, "%u-%u-%u-%u x %u-%u-%u-%u\n",
|
|
mode->left_margin, mode->xres,
|
|
mode->right_margin, mode->hsync_len,
|
|
mode->upper_margin, mode->yres,
|
|
mode->lower_margin, mode->vsync_len);
|
|
|
|
dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz, p=%luHz\n", target,
|
|
rate_error, rate_error ? 10000 / (10 * target / rate_error) : 0,
|
|
mode->refresh, *parent_rate);
|
|
|
|
return rate_error;
|
|
}
|
|
|
|
static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
|
|
unsigned long *parent_rate)
|
|
{
|
|
struct sh_mobile_lcdc_chan *ch = hdmi->entity.lcdc;
|
|
const struct fb_videomode *mode, *found = NULL;
|
|
unsigned int f_width = 0, f_height = 0, f_refresh = 0;
|
|
unsigned long found_rate_error = ULONG_MAX; /* silly compiler... */
|
|
bool scanning = false, preferred_bad = false;
|
|
bool use_edid_mode = false;
|
|
u8 edid[128];
|
|
char *forced;
|
|
int i;
|
|
|
|
/* Read EDID */
|
|
dev_dbg(hdmi->dev, "Read back EDID code:");
|
|
for (i = 0; i < 128; i++) {
|
|
edid[i] = (hdmi->htop1) ?
|
|
(u8)hdmi_htop1_read(hdmi, HDMI_HTOP1_EDID_DATA_READ + (i * 4)) :
|
|
hdmi_read(hdmi, HDMI_EDID_KSV_FIFO_ACCESS_WINDOW);
|
|
#ifdef DEBUG
|
|
if ((i % 16) == 0) {
|
|
printk(KERN_CONT "\n");
|
|
printk(KERN_DEBUG "%02X | %02X", i, edid[i]);
|
|
} else {
|
|
printk(KERN_CONT " %02X", edid[i]);
|
|
}
|
|
#endif
|
|
}
|
|
#ifdef DEBUG
|
|
printk(KERN_CONT "\n");
|
|
#endif
|
|
|
|
if (!hdmi->edid_blocks) {
|
|
fb_edid_to_monspecs(edid, &hdmi->monspec);
|
|
hdmi->edid_blocks = edid[126] + 1;
|
|
|
|
dev_dbg(hdmi->dev, "%d main modes, %d extension blocks\n",
|
|
hdmi->monspec.modedb_len, hdmi->edid_blocks - 1);
|
|
} else {
|
|
dev_dbg(hdmi->dev, "Extension %u detected, DTD start %u\n",
|
|
edid[0], edid[2]);
|
|
fb_edid_add_monspecs(edid, &hdmi->monspec);
|
|
}
|
|
|
|
if (hdmi->edid_blocks > hdmi->edid_segment_nr * 2 +
|
|
(hdmi->edid_block_addr >> 7) + 1) {
|
|
/* More blocks to read */
|
|
if (hdmi->edid_block_addr) {
|
|
hdmi->edid_block_addr = 0;
|
|
hdmi->edid_segment_nr++;
|
|
} else {
|
|
hdmi->edid_block_addr = 0x80;
|
|
}
|
|
/* Set EDID word address */
|
|
hdmi_write(hdmi, hdmi->edid_block_addr, HDMI_EDID_WORD_ADDRESS);
|
|
/* Enable EDID interrupt */
|
|
hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1);
|
|
/* Set EDID segment pointer - starts reading EDID */
|
|
hdmi_write(hdmi, hdmi->edid_segment_nr, HDMI_EDID_SEGMENT_POINTER);
|
|
return -EAGAIN;
|
|
}
|
|
|
|
/* All E-EDID blocks ready */
|
|
dev_dbg(hdmi->dev, "%d main and extended modes\n", hdmi->monspec.modedb_len);
|
|
|
|
fb_get_options("sh_mobile_lcdc", &forced);
|
|
if (forced && *forced) {
|
|
/* Only primitive parsing so far */
|
|
i = sscanf(forced, "%ux%u@%u",
|
|
&f_width, &f_height, &f_refresh);
|
|
if (i < 2) {
|
|
f_width = 0;
|
|
f_height = 0;
|
|
} else {
|
|
/* The user wants us to use the EDID data */
|
|
scanning = true;
|
|
}
|
|
dev_dbg(hdmi->dev, "Forced mode %ux%u@%uHz\n",
|
|
f_width, f_height, f_refresh);
|
|
}
|
|
|
|
/* Walk monitor modes to find the best or the exact match */
|
|
for (i = 0, mode = hdmi->monspec.modedb;
|
|
i < hdmi->monspec.modedb_len && scanning;
|
|
i++, mode++) {
|
|
unsigned long rate_error;
|
|
|
|
if (!f_width && !f_height) {
|
|
/*
|
|
* A parameter string "video=sh_mobile_lcdc:0x0" means
|
|
* use the preferred EDID mode. If it is rejected by
|
|
* .fb_check_var(), keep looking, until an acceptable
|
|
* one is found.
|
|
*/
|
|
if ((mode->flag & FB_MODE_IS_FIRST) || preferred_bad)
|
|
scanning = false;
|
|
else
|
|
continue;
|
|
} else if (f_width != mode->xres || f_height != mode->yres) {
|
|
/* No interest in unmatching modes */
|
|
continue;
|
|
}
|
|
|
|
rate_error = sh_hdmi_rate_error(hdmi, mode, hdmi_rate, parent_rate);
|
|
|
|
if (scanning) {
|
|
if (f_refresh == mode->refresh || (!f_refresh && !rate_error))
|
|
/*
|
|
* Exact match if either the refresh rate
|
|
* matches or it hasn't been specified and we've
|
|
* found a mode, for which we can configure the
|
|
* clock precisely
|
|
*/
|
|
scanning = false;
|
|
else if (found && found_rate_error <= rate_error)
|
|
/*
|
|
* We otherwise search for the closest matching
|
|
* clock rate - either if no refresh rate has
|
|
* been specified or we cannot find an exactly
|
|
* matching one
|
|
*/
|
|
continue;
|
|
}
|
|
|
|
/* Check if supported: sufficient fb memory, supported clock-rate */
|
|
if (ch && ch->notify &&
|
|
ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_MODE, mode,
|
|
NULL)) {
|
|
scanning = true;
|
|
preferred_bad = true;
|
|
continue;
|
|
}
|
|
|
|
found = mode;
|
|
found_rate_error = rate_error;
|
|
use_edid_mode = true;
|
|
}
|
|
|
|
/*
|
|
* TODO 1: if no default mode is present, postpone running the config
|
|
* until after the LCDC channel is initialized.
|
|
* TODO 2: consider registering the HDMI platform device from the LCDC
|
|
* driver.
|
|
*/
|
|
if (!found && hdmi->entity.def_mode.xres != 0) {
|
|
found = &hdmi->entity.def_mode;
|
|
found_rate_error = sh_hdmi_rate_error(hdmi, found, hdmi_rate,
|
|
parent_rate);
|
|
}
|
|
|
|
/* No cookie today */
|
|
if (!found)
|
|
return -ENXIO;
|
|
|
|
if (found->xres == 640 && found->yres == 480 && found->refresh == 60)
|
|
hdmi->preprogrammed_vic = 1;
|
|
else if (found->xres == 720 && found->yres == 480 && found->refresh == 60)
|
|
hdmi->preprogrammed_vic = 2;
|
|
else if (found->xres == 720 && found->yres == 576 && found->refresh == 50)
|
|
hdmi->preprogrammed_vic = 17;
|
|
else if (found->xres == 1280 && found->yres == 720 && found->refresh == 60)
|
|
hdmi->preprogrammed_vic = 4;
|
|
else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 24)
|
|
hdmi->preprogrammed_vic = 32;
|
|
else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 50)
|
|
hdmi->preprogrammed_vic = 31;
|
|
else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 60)
|
|
hdmi->preprogrammed_vic = 16;
|
|
else
|
|
hdmi->preprogrammed_vic = 0;
|
|
|
|
dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), "
|
|
"clock error %luHz\n", use_edid_mode ? "EDID" : "default",
|
|
hdmi->preprogrammed_vic ? "VIC" : "external", found->xres,
|
|
found->yres, found->refresh, PICOS2KHZ(found->pixclock) * 1000,
|
|
found_rate_error);
|
|
|
|
hdmi->mode = *found;
|
|
sh_hdmi_external_video_param(hdmi);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id)
|
|
{
|
|
struct sh_hdmi *hdmi = dev_id;
|
|
u8 status1, status2, mask1, mask2;
|
|
|
|
/* mode_b and PLLA and PLLB reset */
|
|
hdmi_bit_set(hdmi, 0xFC, 0x2C, HDMI_SYSTEM_CTRL);
|
|
|
|
/* How long shall reset be held? */
|
|
udelay(10);
|
|
|
|
/* mode_b and PLLA and PLLB reset release */
|
|
hdmi_bit_set(hdmi, 0xFC, 0x20, HDMI_SYSTEM_CTRL);
|
|
|
|
status1 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_1);
|
|
status2 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_2);
|
|
|
|
mask1 = hdmi_read(hdmi, HDMI_INTERRUPT_MASK_1);
|
|
mask2 = hdmi_read(hdmi, HDMI_INTERRUPT_MASK_2);
|
|
|
|
/* Correct would be to ack only set bits, but the datasheet requires 0xff */
|
|
hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_1);
|
|
hdmi_write(hdmi, 0xFF, HDMI_INTERRUPT_STATUS_2);
|
|
|
|
if (printk_ratelimit())
|
|
dev_dbg(hdmi->dev, "IRQ #%d: Status #1: 0x%x & 0x%x, #2: 0x%x & 0x%x\n",
|
|
irq, status1, mask1, status2, mask2);
|
|
|
|
if (!((status1 & mask1) | (status2 & mask2))) {
|
|
return IRQ_NONE;
|
|
} else if (status1 & 0xc0) {
|
|
u8 msens;
|
|
|
|
/* Datasheet specifies 10ms... */
|
|
udelay(500);
|
|
|
|
msens = hdmi_read(hdmi, HDMI_HOT_PLUG_MSENS_STATUS);
|
|
dev_dbg(hdmi->dev, "MSENS 0x%x\n", msens);
|
|
/* Check, if hot plug & MSENS pin status are both high */
|
|
if ((msens & 0xC0) == 0xC0) {
|
|
/* Display plug in */
|
|
hdmi->edid_segment_nr = 0;
|
|
hdmi->edid_block_addr = 0;
|
|
hdmi->edid_blocks = 0;
|
|
hdmi->hp_state = HDMI_HOTPLUG_CONNECTED;
|
|
|
|
/* Set EDID word address */
|
|
hdmi_write(hdmi, 0x00, HDMI_EDID_WORD_ADDRESS);
|
|
/* Enable EDID interrupt */
|
|
hdmi_write(hdmi, 0xC6, HDMI_INTERRUPT_MASK_1);
|
|
/* Set EDID segment pointer - starts reading EDID */
|
|
hdmi_write(hdmi, 0x00, HDMI_EDID_SEGMENT_POINTER);
|
|
} else if (!(status1 & 0x80)) {
|
|
/* Display unplug, beware multiple interrupts */
|
|
if (hdmi->hp_state != HDMI_HOTPLUG_DISCONNECTED) {
|
|
hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
|
|
schedule_delayed_work(&hdmi->edid_work, 0);
|
|
}
|
|
/* display_off will switch back to mode_a */
|
|
}
|
|
} else if (status1 & 2) {
|
|
/* EDID error interrupt: retry */
|
|
/* Set EDID word address */
|
|
hdmi_write(hdmi, hdmi->edid_block_addr, HDMI_EDID_WORD_ADDRESS);
|
|
/* Set EDID segment pointer */
|
|
hdmi_write(hdmi, hdmi->edid_segment_nr, HDMI_EDID_SEGMENT_POINTER);
|
|
} else if (status1 & 4) {
|
|
/* Disable EDID interrupt */
|
|
hdmi_write(hdmi, 0xC0, HDMI_INTERRUPT_MASK_1);
|
|
schedule_delayed_work(&hdmi->edid_work, msecs_to_jiffies(10));
|
|
}
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int sh_hdmi_display_on(struct sh_mobile_lcdc_entity *entity)
|
|
{
|
|
struct sh_hdmi *hdmi = entity_to_sh_hdmi(entity);
|
|
|
|
dev_dbg(hdmi->dev, "%s(%p): state %x\n", __func__, hdmi,
|
|
hdmi->hp_state);
|
|
|
|
/*
|
|
* hp_state can be set to
|
|
* HDMI_HOTPLUG_DISCONNECTED: on monitor unplug
|
|
* HDMI_HOTPLUG_CONNECTED: on monitor plug-in
|
|
* HDMI_HOTPLUG_EDID_DONE: on EDID read completion
|
|
*/
|
|
if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) {
|
|
/* PS mode d->e. All functions are active */
|
|
hdmi_bit_set(hdmi, 0xFC, 0x80, HDMI_SYSTEM_CTRL);
|
|
dev_dbg(hdmi->dev, "HDMI running\n");
|
|
}
|
|
|
|
return hdmi->hp_state == HDMI_HOTPLUG_DISCONNECTED
|
|
? SH_MOBILE_LCDC_DISPLAY_DISCONNECTED
|
|
: SH_MOBILE_LCDC_DISPLAY_CONNECTED;
|
|
}
|
|
|
|
static void sh_hdmi_display_off(struct sh_mobile_lcdc_entity *entity)
|
|
{
|
|
struct sh_hdmi *hdmi = entity_to_sh_hdmi(entity);
|
|
|
|
dev_dbg(hdmi->dev, "%s(%p)\n", __func__, hdmi);
|
|
/* PS mode e->a */
|
|
hdmi_bit_set(hdmi, 0xFC, 0x10, HDMI_SYSTEM_CTRL);
|
|
}
|
|
|
|
static const struct sh_mobile_lcdc_entity_ops sh_hdmi_ops = {
|
|
.display_on = sh_hdmi_display_on,
|
|
.display_off = sh_hdmi_display_off,
|
|
};
|
|
|
|
/**
|
|
* sh_hdmi_clk_configure() - set HDMI clock frequency and enable the clock
|
|
* @hdmi: driver context
|
|
* @hdmi_rate: HDMI clock frequency in Hz
|
|
* @parent_rate: if != 0 - set parent clock rate for optimal precision
|
|
* return: configured positive rate if successful
|
|
* 0 if couldn't set the rate, but managed to enable the
|
|
* clock, negative error, if couldn't enable the clock
|
|
*/
|
|
static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long hdmi_rate,
|
|
unsigned long parent_rate)
|
|
{
|
|
int ret;
|
|
|
|
if (parent_rate && clk_get_parent(hdmi->hdmi_clk)) {
|
|
ret = clk_set_rate(clk_get_parent(hdmi->hdmi_clk), parent_rate);
|
|
if (ret < 0) {
|
|
dev_warn(hdmi->dev, "Cannot set parent rate %ld: %d\n", parent_rate, ret);
|
|
hdmi_rate = clk_round_rate(hdmi->hdmi_clk, hdmi_rate);
|
|
} else {
|
|
dev_dbg(hdmi->dev, "HDMI set parent frequency %lu\n", parent_rate);
|
|
}
|
|
}
|
|
|
|
ret = clk_set_rate(hdmi->hdmi_clk, hdmi_rate);
|
|
if (ret < 0) {
|
|
dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", hdmi_rate, ret);
|
|
hdmi_rate = 0;
|
|
} else {
|
|
dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", hdmi_rate);
|
|
}
|
|
|
|
return hdmi_rate;
|
|
}
|
|
|
|
/* Hotplug interrupt occurred, read EDID */
|
|
static void sh_hdmi_edid_work_fn(struct work_struct *work)
|
|
{
|
|
struct sh_hdmi *hdmi = container_of(work, struct sh_hdmi, edid_work.work);
|
|
struct sh_mobile_lcdc_chan *ch = hdmi->entity.lcdc;
|
|
int ret;
|
|
|
|
dev_dbg(hdmi->dev, "%s(%p): begin, hotplug status %d\n", __func__, hdmi,
|
|
hdmi->hp_state);
|
|
|
|
if (hdmi->hp_state == HDMI_HOTPLUG_CONNECTED) {
|
|
unsigned long parent_rate = 0, hdmi_rate;
|
|
|
|
ret = sh_hdmi_read_edid(hdmi, &hdmi_rate, &parent_rate);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
hdmi->hp_state = HDMI_HOTPLUG_EDID_DONE;
|
|
|
|
/* Reconfigure the clock */
|
|
ret = sh_hdmi_clk_configure(hdmi, hdmi_rate, parent_rate);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
msleep(10);
|
|
sh_hdmi_configure(hdmi);
|
|
/* Switched to another (d) power-save mode */
|
|
msleep(10);
|
|
|
|
if (ch && ch->notify)
|
|
ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT,
|
|
&hdmi->mode, &hdmi->monspec);
|
|
} else {
|
|
hdmi->monspec.modedb_len = 0;
|
|
fb_destroy_modedb(hdmi->monspec.modedb);
|
|
hdmi->monspec.modedb = NULL;
|
|
|
|
if (ch && ch->notify)
|
|
ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT,
|
|
NULL, NULL);
|
|
|
|
ret = 0;
|
|
}
|
|
|
|
out:
|
|
if (ret < 0 && ret != -EAGAIN)
|
|
hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
|
|
|
|
dev_dbg(hdmi->dev, "%s(%p): end\n", __func__, hdmi);
|
|
}
|
|
|
|
static void sh_hdmi_htop1_init(struct sh_hdmi *hdmi)
|
|
{
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_MODE);
|
|
hdmi_htop1_write(hdmi, 0x0000000b, 0x0010);
|
|
hdmi_htop1_write(hdmi, 0x00006710, HDMI_HTOP1_HTOP_DCL_FRC_MODE);
|
|
hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_1);
|
|
hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_2);
|
|
hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_1);
|
|
hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_2);
|
|
hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_1);
|
|
hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_2);
|
|
hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_1);
|
|
hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_2);
|
|
hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_1);
|
|
hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_2);
|
|
hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_1);
|
|
hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_2);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_Y1);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CB1);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CR1);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_Y2);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CB2);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CR2);
|
|
hdmi_htop1_write(hdmi, 0x00000008, HDMI_HTOP1_CURRENT);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_TISEMP0_1);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_TISEMP2_C);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_PHY_TEST_MODE);
|
|
hdmi_htop1_write(hdmi, 0x00000081, HDMI_HTOP1_TISIDRV);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_PLLBW);
|
|
hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISEN);
|
|
hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISDREN);
|
|
hdmi_htop1_write(hdmi, 0x00000003, HDMI_HTOP1_ENABLE_SELECTOR);
|
|
hdmi_htop1_write(hdmi, 0x00000001, HDMI_HTOP1_MACRO_RESET);
|
|
hdmi_htop1_write(hdmi, 0x00000016, HDMI_HTOP1_CISRANGE);
|
|
msleep(100);
|
|
hdmi_htop1_write(hdmi, 0x00000001, HDMI_HTOP1_ENABLE_SELECTOR);
|
|
msleep(100);
|
|
hdmi_htop1_write(hdmi, 0x00000003, HDMI_HTOP1_ENABLE_SELECTOR);
|
|
hdmi_htop1_write(hdmi, 0x00000001, HDMI_HTOP1_MACRO_RESET);
|
|
hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISEN);
|
|
hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISDREN);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_VIDEO_INPUT);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_CLK_TO_PHY);
|
|
hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_VIDEO_INPUT2);
|
|
hdmi_htop1_write(hdmi, 0x0000000a, HDMI_HTOP1_CLK_SET);
|
|
}
|
|
|
|
static int __init sh_hdmi_probe(struct platform_device *pdev)
|
|
{
|
|
struct sh_mobile_hdmi_info *pdata = dev_get_platdata(&pdev->dev);
|
|
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
struct resource *htop1_res;
|
|
int irq = platform_get_irq(pdev, 0), ret;
|
|
struct sh_hdmi *hdmi;
|
|
long rate;
|
|
|
|
if (!res || !pdata || irq < 0)
|
|
return -ENODEV;
|
|
|
|
htop1_res = NULL;
|
|
if (pdata->flags & HDMI_HAS_HTOP1) {
|
|
htop1_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
|
|
if (!htop1_res) {
|
|
dev_err(&pdev->dev, "htop1 needs register base\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);
|
|
if (!hdmi) {
|
|
dev_err(&pdev->dev, "Cannot allocate device data\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
hdmi->dev = &pdev->dev;
|
|
hdmi->entity.owner = THIS_MODULE;
|
|
hdmi->entity.ops = &sh_hdmi_ops;
|
|
|
|
hdmi->hdmi_clk = clk_get(&pdev->dev, "ick");
|
|
if (IS_ERR(hdmi->hdmi_clk)) {
|
|
ret = PTR_ERR(hdmi->hdmi_clk);
|
|
dev_err(&pdev->dev, "Unable to get clock: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* select register access functions */
|
|
if (pdata->flags & HDMI_32BIT_REG) {
|
|
hdmi->write = __hdmi_write32;
|
|
hdmi->read = __hdmi_read32;
|
|
} else {
|
|
hdmi->write = __hdmi_write8;
|
|
hdmi->read = __hdmi_read8;
|
|
}
|
|
|
|
/* An arbitrary relaxed pixclock just to get things started: from standard 480p */
|
|
rate = clk_round_rate(hdmi->hdmi_clk, PICOS2KHZ(37037));
|
|
if (rate > 0)
|
|
rate = sh_hdmi_clk_configure(hdmi, rate, 0);
|
|
|
|
if (rate < 0) {
|
|
ret = rate;
|
|
goto erate;
|
|
}
|
|
|
|
ret = clk_prepare_enable(hdmi->hdmi_clk);
|
|
if (ret < 0) {
|
|
dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret);
|
|
goto erate;
|
|
}
|
|
|
|
dev_dbg(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate);
|
|
|
|
if (!request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev))) {
|
|
dev_err(&pdev->dev, "HDMI register region already claimed\n");
|
|
ret = -EBUSY;
|
|
goto ereqreg;
|
|
}
|
|
|
|
hdmi->base = ioremap(res->start, resource_size(res));
|
|
if (!hdmi->base) {
|
|
dev_err(&pdev->dev, "HDMI register region already claimed\n");
|
|
ret = -ENOMEM;
|
|
goto emap;
|
|
}
|
|
|
|
platform_set_drvdata(pdev, &hdmi->entity);
|
|
|
|
INIT_DELAYED_WORK(&hdmi->edid_work, sh_hdmi_edid_work_fn);
|
|
|
|
pm_runtime_enable(&pdev->dev);
|
|
pm_runtime_get_sync(&pdev->dev);
|
|
|
|
/* init interrupt polarity */
|
|
if (pdata->flags & HDMI_OUTPUT_PUSH_PULL)
|
|
hdmi_bit_set(hdmi, 0x02, 0x02, HDMI_SYSTEM_CTRL);
|
|
|
|
if (pdata->flags & HDMI_OUTPUT_POLARITY_HI)
|
|
hdmi_bit_set(hdmi, 0x01, 0x01, HDMI_SYSTEM_CTRL);
|
|
|
|
/* enable htop1 register if needed */
|
|
if (htop1_res) {
|
|
hdmi->htop1 = ioremap(htop1_res->start, resource_size(htop1_res));
|
|
if (!hdmi->htop1) {
|
|
dev_err(&pdev->dev, "control register region already claimed\n");
|
|
ret = -ENOMEM;
|
|
goto emap_htop1;
|
|
}
|
|
sh_hdmi_htop1_init(hdmi);
|
|
}
|
|
|
|
/* Product and revision IDs are 0 in sh-mobile version */
|
|
dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
|
|
hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
|
|
|
|
ret = request_irq(irq, sh_hdmi_hotplug, 0,
|
|
dev_name(&pdev->dev), hdmi);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "Unable to request irq: %d\n", ret);
|
|
goto ereqirq;
|
|
}
|
|
|
|
ret = snd_soc_register_codec(&pdev->dev,
|
|
&soc_codec_dev_sh_hdmi, &sh_hdmi_dai, 1);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "codec registration failed\n");
|
|
goto ecodec;
|
|
}
|
|
|
|
return 0;
|
|
|
|
ecodec:
|
|
free_irq(irq, hdmi);
|
|
ereqirq:
|
|
if (hdmi->htop1)
|
|
iounmap(hdmi->htop1);
|
|
emap_htop1:
|
|
pm_runtime_put(&pdev->dev);
|
|
pm_runtime_disable(&pdev->dev);
|
|
iounmap(hdmi->base);
|
|
emap:
|
|
release_mem_region(res->start, resource_size(res));
|
|
ereqreg:
|
|
clk_disable_unprepare(hdmi->hdmi_clk);
|
|
erate:
|
|
clk_put(hdmi->hdmi_clk);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int __exit sh_hdmi_remove(struct platform_device *pdev)
|
|
{
|
|
struct sh_hdmi *hdmi = entity_to_sh_hdmi(platform_get_drvdata(pdev));
|
|
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
int irq = platform_get_irq(pdev, 0);
|
|
|
|
snd_soc_unregister_codec(&pdev->dev);
|
|
|
|
/* No new work will be scheduled, wait for running ISR */
|
|
free_irq(irq, hdmi);
|
|
/* Wait for already scheduled work */
|
|
cancel_delayed_work_sync(&hdmi->edid_work);
|
|
pm_runtime_put(&pdev->dev);
|
|
pm_runtime_disable(&pdev->dev);
|
|
clk_disable_unprepare(hdmi->hdmi_clk);
|
|
clk_put(hdmi->hdmi_clk);
|
|
if (hdmi->htop1)
|
|
iounmap(hdmi->htop1);
|
|
iounmap(hdmi->base);
|
|
release_mem_region(res->start, resource_size(res));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver sh_hdmi_driver = {
|
|
.remove = __exit_p(sh_hdmi_remove),
|
|
.driver = {
|
|
.name = "sh-mobile-hdmi",
|
|
},
|
|
};
|
|
|
|
module_platform_driver_probe(sh_hdmi_driver, sh_hdmi_probe);
|
|
|
|
MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
|
|
MODULE_DESCRIPTION("SuperH / ARM-shmobile HDMI driver");
|
|
MODULE_LICENSE("GPL v2");
|