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

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>

1 files changed, 8 insertions, 126 deletions

diff --git a/board/freescale/t1040qds/diu.c b/board/freescale/t1040qds/diu.c
index ffd074b0f8..0214224707 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));