[U-Boot] [PATCH v4 16/18] video: dcu: Add Sii9022A HDMI Transmitter support
Alison Wang
b18965 at freescale.com
Thu Aug 14 08:45:05 CEST 2014
On LS1021ATWR, Silicon's Sii9022A HDMI Transmitter
is used. This patch adds the common setting for this
chip.
Signed-off-by: Alison Wang <alison.wang at freescale.com>
---
Change log:
v4: Add commit messages.
v3: New file.
board/freescale/common/Makefile | 2 +
board/freescale/common/dcu_sii9022a.c | 153 ++++++++++++++++++++++++++++++++++
board/freescale/common/dcu_sii9022a.h | 13 +++
3 files changed, 168 insertions(+)
create mode 100644 board/freescale/common/dcu_sii9022a.c
create mode 100644 board/freescale/common/dcu_sii9022a.h
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index 22b57cc..808ddd0 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_DCU_SII9022A) += dcu_sii9022a.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/dcu_sii9022a.c b/board/freescale/common/dcu_sii9022a.c
new file mode 100644
index 0000000..2da627e
--- /dev/null
+++ b/board/freescale/common/dcu_sii9022a.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <common.h>
+#include <fsl_dcu_fb.h>
+#include <i2c.h>
+#include <linux/fb.h>
+
+#define PIXEL_CLK_LSB_REG 0x00
+#define PIXEL_CLK_MSB_REG 0x01
+#define VERT_FREQ_LSB_REG 0x02
+#define VERT_FREQ_MSB_REG 0x03
+#define TOTAL_PIXELS_LSB_REG 0x04
+#define TOTAL_PIXELS_MSB_REG 0x05
+#define TOTAL_LINES_LSB_REG 0x06
+#define TOTAL_LINES_MSB_REG 0x07
+#define TPI_INBUS_FMT_REG 0x08
+#define TPI_INPUT_FMT_REG 0x09
+#define TPI_OUTPUT_FMT_REG 0x0A
+#define TPI_SYS_CTRL_REG 0x1A
+#define TPI_PWR_STAT_REG 0x1E
+#define TPI_AUDIO_HANDING_REG 0x25
+#define TPI_AUDIO_INTF_REG 0x26
+#define TPI_AUDIO_FREQ_REG 0x27
+#define TPI_SET_PAGE_REG 0xBC
+#define TPI_SET_OFFSET_REG 0xBD
+#define TPI_RW_ACCESS_REG 0xBE
+#define TPI_TRANS_MODE_REG 0xC7
+
+#define TPI_INBUS_CLOCK_RATIO_1 (1 << 6)
+#define TPI_INBUS_FULL_PIXEL_WIDE (1 << 5)
+#define TPI_INBUS_RISING_EDGE (1 << 4)
+#define TPI_INPUT_CLR_DEPTH_8BIT (0 << 6)
+#define TPI_INPUT_VRANGE_EXPAN_AUTO (0 << 2)
+#define TPI_INPUT_CLR_RGB (0 << 0)
+#define TPI_OUTPUT_CLR_DEPTH_8BIT (0 << 6)
+#define TPI_OUTPUT_VRANGE_COMPRE_AUTO (0 << 2)
+#define TPI_OUTPUT_CLR_HDMI_RGB (0 << 0)
+#define TPI_SYS_TMDS_OUTPUT (0 << 4)
+#define TPI_SYS_AV_NORAML (0 << 3)
+#define TPI_SYS_AV_MUTE (1 << 3)
+#define TPI_SYS_DVI_MODE (0 << 0)
+#define TPI_SYS_HDMI_MODE (1 << 0)
+#define TPI_PWR_STAT_MASK (3 << 0)
+#define TPI_PWR_STAT_D0 (0 << 0)
+#define TPI_AUDIO_PASS_BASIC (0 << 0)
+#define TPI_AUDIO_INTF_I2S (2 << 6)
+#define TPI_AUDIO_INTF_NORMAL (0 << 4)
+#define TPI_AUDIO_TYPE_PCM (1 << 0)
+#define TPI_AUDIO_SAMP_SIZE_16BIT (1 << 6)
+#define TPI_AUDIO_SAMP_FREQ_44K (2 << 3)
+#define TPI_SET_PAGE_SII9022A 0x01
+#define TPI_SET_OFFSET_SII9022A 0x82
+#define TPI_RW_EN_SRC_TERMIN (1 << 0)
+#define TPI_TRANS_MODE_ENABLE (0 << 7)
+
+/* Programming of Silicon SIi9022a HDMI Transmitter */
+int dcu_set_dvi_encoder(struct fb_videomode *videomode)
+{
+ u8 temp;
+ u16 temp1, temp2;
+ u32 temp3;
+
+ i2c_set_bus_num(CONFIG_SYS_I2C_DVI_BUS_NUM);
+
+ /* Enable TPI transmitter mode */
+ temp = TPI_TRANS_MODE_ENABLE;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_TRANS_MODE_REG, 1, &temp, 1);
+
+ /* Enter into D0 state, full operation */
+ i2c_read(CONFIG_SYS_I2C_DVI_ADDR, TPI_PWR_STAT_REG, 1, &temp, 1);
+ temp &= ~TPI_PWR_STAT_MASK;
+ temp |= TPI_PWR_STAT_D0;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_PWR_STAT_REG, 1, &temp, 1);
+
+ /* Enable source termination */
+ temp = TPI_SET_PAGE_SII9022A;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_SET_PAGE_REG, 1, &temp, 1);
+ temp = TPI_SET_OFFSET_SII9022A;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_SET_OFFSET_REG, 1, &temp, 1);
+
+ i2c_read(CONFIG_SYS_I2C_DVI_ADDR, TPI_RW_ACCESS_REG, 1, &temp, 1);
+ temp |= TPI_RW_EN_SRC_TERMIN;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_RW_ACCESS_REG, 1, &temp, 1);
+
+ /* Set TPI system control */
+ temp = TPI_SYS_TMDS_OUTPUT | TPI_SYS_AV_NORAML | TPI_SYS_DVI_MODE;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_SYS_CTRL_REG, 1, &temp, 1);
+
+ /* Set pixel clock */
+ temp1 = PICOS2KHZ(videomode->pixclock) / 10;
+ temp = (u8)(temp1 & 0xFF);
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, PIXEL_CLK_LSB_REG, 1, &temp, 1);
+ temp = (u8)(temp1 >> 8);
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, PIXEL_CLK_MSB_REG, 1, &temp, 1);
+
+ /* Set total pixels per line */
+ temp1 = videomode->hsync_len + videomode->left_margin +
+ videomode->xres + videomode->right_margin;
+ temp = (u8)(temp1 & 0xFF);
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TOTAL_PIXELS_LSB_REG, 1, &temp, 1);
+ temp = (u8)(temp1 >> 8);
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TOTAL_PIXELS_MSB_REG, 1, &temp, 1);
+
+ /* Set total lines */
+ temp2 = videomode->vsync_len + videomode->upper_margin +
+ videomode->yres + videomode->lower_margin;
+ temp = (u8)(temp2 & 0xFF);
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TOTAL_LINES_LSB_REG, 1, &temp, 1);
+ temp = (u8)(temp2 >> 8);
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TOTAL_LINES_MSB_REG, 1, &temp, 1);
+
+ /* Set vertical frequency in Hz */
+ temp3 = temp1 * temp2;
+ temp3 = (PICOS2KHZ(videomode->pixclock) * 1000) / temp3;
+ temp1 = (u16)temp3 * 100;
+ temp = (u8)(temp1 & 0xFF);
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, VERT_FREQ_LSB_REG, 1, &temp, 1);
+ temp = (u8)(temp1 >> 8);
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, VERT_FREQ_MSB_REG, 1, &temp, 1);
+
+ /* Set TPI input bus and pixel repetition data */
+ temp = TPI_INBUS_CLOCK_RATIO_1 | TPI_INBUS_FULL_PIXEL_WIDE |
+ TPI_INBUS_RISING_EDGE;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_INBUS_FMT_REG, 1, &temp, 1);
+
+ /* Set TPI AVI Input format data */
+ temp = TPI_INPUT_CLR_DEPTH_8BIT | TPI_INPUT_VRANGE_EXPAN_AUTO |
+ TPI_INPUT_CLR_RGB;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_INPUT_FMT_REG, 1, &temp, 1);
+
+ /* Set TPI AVI Output format data */
+ temp = TPI_OUTPUT_CLR_DEPTH_8BIT | TPI_OUTPUT_VRANGE_COMPRE_AUTO |
+ TPI_OUTPUT_CLR_HDMI_RGB;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_OUTPUT_FMT_REG, 1, &temp, 1);
+
+ /* Set TPI audio configuration write data */
+ temp = TPI_AUDIO_PASS_BASIC;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_AUDIO_HANDING_REG, 1, &temp, 1);
+
+ temp = TPI_AUDIO_INTF_I2S | TPI_AUDIO_INTF_NORMAL |
+ TPI_AUDIO_TYPE_PCM;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_AUDIO_INTF_REG, 1, &temp, 1);
+
+ temp = TPI_AUDIO_SAMP_SIZE_16BIT | TPI_AUDIO_SAMP_FREQ_44K;
+ i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_AUDIO_FREQ_REG, 1, &temp, 1);
+
+ return 0;
+}
diff --git a/board/freescale/common/dcu_sii9022a.h b/board/freescale/common/dcu_sii9022a.h
new file mode 100644
index 0000000..de76733
--- /dev/null
+++ b/board/freescale/common/dcu_sii9022a.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __DCU_HDMI_SII9022A__
+#define __DCU_HDMI_SII9022A__
+
+/* Programming of Silicon SII9022A connector HDMI Transmitter*/
+int dcu_set_dvi_encoder(struct fb_videomode *videomode);
+
+#endif
--
1.8.4
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