From: Wang Dongsheng dongsheng.wang@freescale.com
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 --- V2: No Change diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile index f6a0879..cd4b33b 100644 --- a/board/freescale/common/Makefile +++ b/board/freescale/common/Makefile @@ -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 diff --git a/board/freescale/common/diu_ch7301.c b/board/freescale/common/diu_ch7301.c new file mode 100644 index 0000000..497fa1b --- /dev/null +++ b/board/freescale/common/diu_ch7301.c @@ -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; +} diff --git a/board/freescale/common/diu_ch7301.h b/board/freescale/common/diu_ch7301.h new file mode 100644 index 0000000..8b6ead0 --- /dev/null +++ b/board/freescale/common/diu_ch7301.h @@ -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 diff --git a/board/freescale/t1040qds/diu.c b/board/freescale/t1040qds/diu.c index ffd074b..0214224 100644 --- a/board/freescale/t1040qds/diu.c +++ b/board/freescale/t1040qds/diu.c @@ -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)); diff --git a/include/configs/T1040QDS.h b/include/configs/T1040QDS.h index 993f9ae..f4c8547 100644 --- a/include/configs/T1040QDS.h +++ b/include/configs/T1040QDS.h @@ -404,6 +404,7 @@ 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