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fsl/diu: ch7301 encoder split off from t1040qds/diu.c

Browse source 
The ch7301 encoder not only used in t1040qds platform, so we split
it for t1042rdb and LSx platform.

Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Wang Dongsheng 2014-03-19 10:47:55 +08:00 committed by York Sun
parent 6d1966e123
commit c53711bb62
5 changed files with 160 additions and 126 deletions
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2
board/freescale/common/Makefile
View file

@ -34,6 +34,8 @@ ifndef CONFIG_RAMBOOT_PBL
obj-$(CONFIG_FSL_FIXED_MMC_LOCATION) += sdhc_boot.o
endif
obj-$(CONFIG_FSL_DIU_CH7301) += diu_ch7301.o
obj-$(CONFIG_MPC8541CDS) += cds_pci_ft.o
obj-$(CONFIG_MPC8548CDS) += cds_pci_ft.o
obj-$(CONFIG_MPC8555CDS) += cds_pci_ft.o

136
board/freescale/common/diu_ch7301.c Normal file
View file

@ -0,0 +1,136 @@
/*
* Copyright 2014 Freescale Semiconductor, Inc.
* Authors: Priyanka Jain <Priyanka.Jain@freescale.com>
* Wang Dongsheng <dongsheng.wang@freescale.com>
*
* This file is copied and modified from the original t1040qds/diu.c.
* Encoder can be used in T104x and LSx Platform.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <stdio_dev.h>
#include <i2c.h>
#define I2C_DVI_INPUT_DATA_FORMAT_REG 0x1F
#define I2C_DVI_PLL_CHARGE_CNTL_REG 0x33
#define I2C_DVI_PLL_DIVIDER_REG 0x34
#define I2C_DVI_PLL_SUPPLY_CNTL_REG 0x35
#define I2C_DVI_PLL_FILTER_REG 0x36
#define I2C_DVI_TEST_PATTERN_REG 0x48
#define I2C_DVI_POWER_MGMT_REG 0x49
#define I2C_DVI_LOCK_STATE_REG 0x4D
#define I2C_DVI_SYNC_POLARITY_REG 0x56
/*
* Set VSYNC/HSYNC to active high. This is polarity of sync signals
* from DIU->DVI. The DIU default is active igh, so DVI is set to
* active high.
*/
#define I2C_DVI_INPUT_DATA_FORMAT_VAL 0x98
#define I2C_DVI_PLL_CHARGE_CNTL_HIGH_SPEED_VAL 0x06
#define I2C_DVI_PLL_DIVIDER_HIGH_SPEED_VAL 0x26
#define I2C_DVI_PLL_FILTER_HIGH_SPEED_VAL 0xA0
#define I2C_DVI_PLL_CHARGE_CNTL_LOW_SPEED_VAL 0x08
#define I2C_DVI_PLL_DIVIDER_LOW_SPEED_VAL 0x16
#define I2C_DVI_PLL_FILTER_LOW_SPEED_VAL 0x60
/* Clear test pattern */
#define I2C_DVI_TEST_PATTERN_VAL 0x18
/* Exit Power-down mode */
#define I2C_DVI_POWER_MGMT_VAL 0xC0
/* Monitor polarity is handled via DVI Sync Polarity Register */
#define I2C_DVI_SYNC_POLARITY_VAL 0x00
/* Programming of HDMI Chrontel CH7301 connector */
int diu_set_dvi_encoder(unsigned int pixclock)
{
int ret;
u8 temp;
temp = I2C_DVI_TEST_PATTERN_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_TEST_PATTERN_REG, 1,
&temp, 1);
if (ret) {
puts("I2C: failed to select proper dvi test pattern\n");
return ret;
}
temp = I2C_DVI_INPUT_DATA_FORMAT_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_INPUT_DATA_FORMAT_REG,
1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi input data format\n");
return ret;
}
/* Set Sync polarity register */
temp = I2C_DVI_SYNC_POLARITY_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_SYNC_POLARITY_REG, 1,
&temp, 1);
if (ret) {
puts("I2C: failed to select dvi syc polarity\n");
return ret;
}
/* Set PLL registers based on pixel clock rate*/
if (pixclock > 65000000) {
temp = I2C_DVI_PLL_CHARGE_CNTL_HIGH_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_CHARGE_CNTL_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll charge_cntl\n");
return ret;
}
temp = I2C_DVI_PLL_DIVIDER_HIGH_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_DIVIDER_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll divider\n");
return ret;
}
temp = I2C_DVI_PLL_FILTER_HIGH_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_FILTER_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll filter\n");
return ret;
}
} else {
temp = I2C_DVI_PLL_CHARGE_CNTL_LOW_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_CHARGE_CNTL_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll charge_cntl\n");
return ret;
}
temp = I2C_DVI_PLL_DIVIDER_LOW_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_DIVIDER_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll divider\n");
return ret;
}
temp = I2C_DVI_PLL_FILTER_LOW_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_FILTER_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll filter\n");
return ret;
}
}
temp = I2C_DVI_POWER_MGMT_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_POWER_MGMT_REG, 1,
&temp, 1);
if (ret) {
puts("I2C: failed to select dvi power mgmt\n");
return ret;
}
udelay(500);
return 0;
}

13
board/freescale/common/diu_ch7301.h Normal file
View file

@ -0,0 +1,13 @@
/*
* Copyright 2014 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __DIU_HDMI_CH7301__
#define __DIU_HDMI_CH7301__
/* Programming of HDMI Chrontel CH7301 connector */
int diu_set_dvi_encoder(unsigned int pixclock);
#endif

134
board/freescale/t1040qds/diu.c
View file

@ -13,42 +13,9 @@
#include <video_fb.h>
#include <fsl_diu_fb.h>
#include "../common/qixis.h"
#include "../common/diu_ch7301.h"
#include "t1040qds.h"
#include "t1040qds_qixis.h"
#include <i2c.h>
#define I2C_DVI_INPUT_DATA_FORMAT_REG 0x1F
#define I2C_DVI_PLL_CHARGE_CNTL_REG 0x33
#define I2C_DVI_PLL_DIVIDER_REG 0x34
#define I2C_DVI_PLL_SUPPLY_CNTL_REG 0x35
#define I2C_DVI_PLL_FILTER_REG 0x36
#define I2C_DVI_TEST_PATTERN_REG 0x48
#define I2C_DVI_POWER_MGMT_REG 0x49
#define I2C_DVI_LOCK_STATE_REG 0x4D
#define I2C_DVI_SYNC_POLARITY_REG 0x56
/*
* Set VSYNC/HSYNC to active high. This is polarity of sync signals
* from DIU->DVI. The DIU default is active igh, so DVI is set to
* active high.
*/
#define I2C_DVI_INPUT_DATA_FORMAT_VAL 0x98
#define I2C_DVI_PLL_CHARGE_CNTL_HIGH_SPEED_VAL 0x06
#define I2C_DVI_PLL_DIVIDER_HIGH_SPEED_VAL 0x26
#define I2C_DVI_PLL_FILTER_HIGH_SPEED_VAL 0xA0
#define I2C_DVI_PLL_CHARGE_CNTL_LOW_SPEED_VAL 0x08
#define I2C_DVI_PLL_DIVIDER_LOW_SPEED_VAL 0x16
#define I2C_DVI_PLL_FILTER_LOW_SPEED_VAL 0x60
/* Clear test pattern */
#define I2C_DVI_TEST_PATTERN_VAL 0x18
/* Exit Power-down mode */
#define I2C_DVI_POWER_MGMT_VAL 0xC0
/* Monitor polarity is handled via DVI Sync Polarity Register */
#define I2C_DVI_SYNC_POLARITY_VAL 0x00
/*
* DIU Area Descriptor
@ -69,98 +36,6 @@
#define AD_COMP_1_SHIFT 4
#define AD_COMP_0_SHIFT 0
/* Programming of HDMI Chrontel CH7301 connector */
int diu_set_dvi_encoder(unsigned int pixclock)
{
int ret;
u8 temp;
select_i2c_ch_pca9547(I2C_MUX_CH_DIU);
temp = I2C_DVI_TEST_PATTERN_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_TEST_PATTERN_REG, 1,
&temp, 1);
if (ret) {
puts("I2C: failed to select proper dvi test pattern\n");
return ret;
}
temp = I2C_DVI_INPUT_DATA_FORMAT_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_INPUT_DATA_FORMAT_REG,
1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi input data format\n");
return ret;
}
/* Set Sync polarity register */
temp = I2C_DVI_SYNC_POLARITY_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_SYNC_POLARITY_REG, 1,
&temp, 1);
if (ret) {
puts("I2C: failed to select dvi syc polarity\n");
return ret;
}
/* Set PLL registers based on pixel clock rate*/
if (pixclock > 65000000) {
temp = I2C_DVI_PLL_CHARGE_CNTL_HIGH_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_CHARGE_CNTL_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll charge_cntl\n");
return ret;
}
temp = I2C_DVI_PLL_DIVIDER_HIGH_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_DIVIDER_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll divider\n");
return ret;
}
temp = I2C_DVI_PLL_FILTER_HIGH_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_FILTER_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll filter\n");
return ret;
}
} else {
temp = I2C_DVI_PLL_CHARGE_CNTL_LOW_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_CHARGE_CNTL_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll charge_cntl\n");
return ret;
}
temp = I2C_DVI_PLL_DIVIDER_LOW_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_DIVIDER_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll divider\n");
return ret;
}
temp = I2C_DVI_PLL_FILTER_LOW_SPEED_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR,
I2C_DVI_PLL_FILTER_REG, 1, &temp, 1);
if (ret) {
puts("I2C: failed to select dvi pll filter\n");
return ret;
}
}
temp = I2C_DVI_POWER_MGMT_VAL;
ret = i2c_write(CONFIG_SYS_I2C_DVI_ADDR, I2C_DVI_POWER_MGMT_REG, 1,
&temp, 1);
if (ret) {
puts("I2C: failed to select dvi power mgmt\n");
return ret;
}
udelay(500);
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
return 0;
}
void diu_set_pixel_clock(unsigned int pixclock)
{
unsigned long speed_ccb, temp;
@ -172,12 +47,19 @@ void diu_set_pixel_clock(unsigned int pixclock)
pixval = speed_ccb / temp;
/* Program HDMI encoder */
/* Switch channel to DIU */
select_i2c_ch_pca9547(I2C_MUX_CH_DIU);
/* Set dispaly encoder */
ret = diu_set_dvi_encoder(temp);
if (ret) {
puts("Failed to set DVI encoder\n");
return;
}
/* Switch channel to default */
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
/* Program pixel clock */
out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_PIXCLK_ADDR,
((pixval << PXCK_BITS_START) & PXCK_MASK));

1
include/configs/T1040QDS.h
View file

@ -416,6 +416,7 @@ unsigned long get_board_ddr_clk(void);
/* Video */
#define CONFIG_FSL_DIU_FB
#ifdef CONFIG_FSL_DIU_FB
#define CONFIG_FSL_DIU_CH7301
#define CONFIG_SYS_DIU_ADDR (CONFIG_SYS_CCSRBAR + 0x180000)
#define CONFIG_VIDEO
#define CONFIG_CMD_BMP