diff options
Diffstat (limited to 'board/freescale/common/dcu_sii9022a.c')
| -rw-r--r-- | board/freescale/common/dcu_sii9022a.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/board/freescale/common/dcu_sii9022a.c b/board/freescale/common/dcu_sii9022a.c index 3bf71abf55..832ae258f1 100644 --- a/board/freescale/common/dcu_sii9022a.c +++ b/board/freescale/common/dcu_sii9022a.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2019 NXP */ #include <asm/io.h> @@ -63,7 +64,101 @@ int dcu_set_dvi_encoder(struct fb_videomode *videomode) u8 temp; u16 temp1, temp2; u32 temp3; +#ifdef CONFIG_DM_I2C + struct udevice *dev; + int ret; + + ret = i2c_get_chip_for_busnum(CONFIG_SYS_I2C_DVI_BUS_NUM, + CONFIG_SYS_I2C_DVI_ADDR, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + CONFIG_SYS_I2C_DVI_BUS_NUM); + return ret; + } + /* Enable TPI transmitter mode */ + temp = TPI_TRANS_MODE_ENABLE; + dm_i2c_write(dev, TPI_TRANS_MODE_REG, &temp, 1); + + /* Enter into D0 state, full operation */ + dm_i2c_read(dev, TPI_PWR_STAT_REG, &temp, 1); + temp &= ~TPI_PWR_STAT_MASK; + temp |= TPI_PWR_STAT_D0; + dm_i2c_write(dev, TPI_PWR_STAT_REG, &temp, 1); + + /* Enable source termination */ + temp = TPI_SET_PAGE_SII9022A; + dm_i2c_write(dev, TPI_SET_PAGE_REG, &temp, 1); + temp = TPI_SET_OFFSET_SII9022A; + dm_i2c_write(dev, TPI_SET_OFFSET_REG, &temp, 1); + + dm_i2c_read(dev, TPI_RW_ACCESS_REG, &temp, 1); + temp |= TPI_RW_EN_SRC_TERMIN; + dm_i2c_write(dev, TPI_RW_ACCESS_REG, &temp, 1); + + /* Set TPI system control */ + temp = TPI_SYS_TMDS_OUTPUT | TPI_SYS_AV_NORAML | TPI_SYS_DVI_MODE; + dm_i2c_write(dev, TPI_SYS_CTRL_REG, &temp, 1); + + /* Set pixel clock */ + temp1 = PICOS2KHZ(videomode->pixclock) / 10; + temp = (u8)(temp1 & 0xFF); + dm_i2c_write(dev, PIXEL_CLK_LSB_REG, &temp, 1); + temp = (u8)(temp1 >> 8); + dm_i2c_write(dev, PIXEL_CLK_MSB_REG, &temp, 1); + + /* Set total pixels per line */ + temp1 = videomode->hsync_len + videomode->left_margin + + videomode->xres + videomode->right_margin; + temp = (u8)(temp1 & 0xFF); + dm_i2c_write(dev, TOTAL_PIXELS_LSB_REG, &temp, 1); + temp = (u8)(temp1 >> 8); + dm_i2c_write(dev, TOTAL_PIXELS_MSB_REG, &temp, 1); + + /* Set total lines */ + temp2 = videomode->vsync_len + videomode->upper_margin + + videomode->yres + videomode->lower_margin; + temp = (u8)(temp2 & 0xFF); + dm_i2c_write(dev, TOTAL_LINES_LSB_REG, &temp, 1); + temp = (u8)(temp2 >> 8); + dm_i2c_write(dev, TOTAL_LINES_MSB_REG, &temp, 1); + + /* Set vertical frequency in Hz */ + temp3 = temp1 * temp2; + temp3 = (PICOS2KHZ(videomode->pixclock) * 1000) / temp3; + temp1 = (u16)temp3 * 100; + temp = (u8)(temp1 & 0xFF); + dm_i2c_write(dev, VERT_FREQ_LSB_REG, &temp, 1); + temp = (u8)(temp1 >> 8); + dm_i2c_write(dev, VERT_FREQ_MSB_REG, &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; + dm_i2c_write(dev, TPI_INBUS_FMT_REG, &temp, 1); + + /* Set TPI AVI Input format data */ + temp = TPI_INPUT_CLR_DEPTH_8BIT | TPI_INPUT_VRANGE_EXPAN_AUTO | + TPI_INPUT_CLR_RGB; + dm_i2c_write(dev, TPI_INPUT_FMT_REG, &temp, 1); + + /* Set TPI AVI Output format data */ + temp = TPI_OUTPUT_CLR_DEPTH_8BIT | TPI_OUTPUT_VRANGE_COMPRE_AUTO | + TPI_OUTPUT_CLR_HDMI_RGB; + dm_i2c_write(dev, TPI_OUTPUT_FMT_REG, &temp, 1); + + /* Set TPI audio configuration write data */ + temp = TPI_AUDIO_PASS_BASIC; + dm_i2c_write(dev, TPI_AUDIO_HANDING_REG, &temp, 1); + + temp = TPI_AUDIO_INTF_I2S | TPI_AUDIO_INTF_NORMAL | + TPI_AUDIO_TYPE_PCM; + dm_i2c_write(dev, TPI_AUDIO_INTF_REG, &temp, 1); + + temp = TPI_AUDIO_SAMP_SIZE_16BIT | TPI_AUDIO_SAMP_FREQ_44K; + dm_i2c_write(dev, TPI_AUDIO_FREQ_REG, &temp, 1); +#else i2c_set_bus_num(CONFIG_SYS_I2C_DVI_BUS_NUM); /* Enable TPI transmitter mode */ @@ -147,6 +242,7 @@ int dcu_set_dvi_encoder(struct fb_videomode *videomode) 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); +#endif return 0; } |