[U-Boot] [PATCH 3/5] rockchip: video: Add mipi dsi driver for rk3399
Eric Gao
eric.gao at rock-chips.com
Mon Apr 10 02:41:47 UTC 2017
Add mipi dsi driver for rk chip, To enable this
you need to enable DM, DM_VIDEO, DM_ROCKCHIP_VIDEO,
DISPLAY_MIPI in menuconfig. And enable rk808,and it's
corresponding i2c.
Signed-off-by: Eric Gao <eric.gao at rock-chips.com>
---
arch/arm/include/asm/arch-rockchip/cru_rk3399.h | 1 +
arch/arm/include/asm/arch-rockchip/grf_rk3399.h | 25 ++
arch/arm/include/asm/arch-rockchip/mipi_rk3399.h | 189 +++++++++
arch/arm/include/asm/arch-rockchip/vop_rk3288.h | 1 +
drivers/video/Kconfig | 2 +
drivers/video/rockchip/Kconfig | 47 +++
drivers/video/rockchip/Makefile | 6 +-
drivers/video/rockchip/rk_mipi.c | 465 +++++++++++++++++++++++
drivers/video/rockchip/rk_vop.c | 39 +-
9 files changed, 768 insertions(+), 7 deletions(-)
create mode 100644 arch/arm/include/asm/arch-rockchip/mipi_rk3399.h
create mode 100644 drivers/video/rockchip/Kconfig
create mode 100644 drivers/video/rockchip/rk_mipi.c
diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3399.h b/arch/arm/include/asm/arch-rockchip/cru_rk3399.h
index cf830d0..e9e5810 100644
--- a/arch/arm/include/asm/arch-rockchip/cru_rk3399.h
+++ b/arch/arm/include/asm/arch-rockchip/cru_rk3399.h
@@ -70,6 +70,7 @@ struct rk3399_cru {
};
check_member(rk3399_cru, sdio1_con[1], 0x594);
#define MHz 1000000
+#define MHZ 1000000
#define KHz 1000
#define OSC_HZ (24*MHz)
#define APLL_HZ (600*MHz)
diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk3399.h b/arch/arm/include/asm/arch-rockchip/grf_rk3399.h
index 62d8496..2bf58da 100644
--- a/arch/arm/include/asm/arch-rockchip/grf_rk3399.h
+++ b/arch/arm/include/asm/arch-rockchip/grf_rk3399.h
@@ -399,6 +399,31 @@ enum {
GRF_UART_DBG_SEL_MASK = 3 << GRF_UART_DBG_SEL_SHIFT,
GRF_UART_DBG_SEL_C = 2,
+ /* GRF_SOC_CON20 */
+ GRF_DSI0_VOP_SEL_SHIFT = 0,
+ GRF_DSI0_VOP_SEL_MASK = 1 << GRF_DSI0_VOP_SEL_SHIFT,
+ GRF_DSI0_VOP_SEL_B = 0,
+ GRF_DSI0_VOP_SEL_L,
+
+ /* GRF_SOC_CON22 */
+ GRF_DPHY_TX0_RXMODE_SHIFT = 0,
+ GRF_DPHY_TX0_RXMODE_MASK =
+ 0xf << GRF_DPHY_TX0_RXMODE_SHIFT,
+ GRF_DPHY_TX0_RXMODE_EN = 0xb,
+ GRF_DPHY_TX0_RXMODE_DIS = 0,
+
+ GRF_DPHY_TX0_TXSTOPMODE_SHIFT = 4,
+ GRF_DPHY_TX0_TXSTOPMODE_MASK =
+ 0xf0 << GRF_DPHY_TX0_TXSTOPMODE_SHIFT,
+ GRF_DPHY_TX0_TXSTOPMODE_EN = 0xc,
+ GRF_DPHY_TX0_TXSTOPMODE_DIS = 0,
+
+ GRF_DPHY_TX0_TURNREQUEST_SHIFT = 12,
+ GRF_DPHY_TX0_TURNREQUEST_MASK =
+ 0xf000 << GRF_DPHY_TX0_TURNREQUEST_SHIFT,
+ GRF_DPHY_TX0_TURNREQUEST_EN = 0x1,
+ GRF_DPHY_TX0_TURNREQUEST_DIS = 0,
+
/* PMUGRF_GPIO0A_IOMUX */
PMUGRF_GPIO0A6_SEL_SHIFT = 12,
PMUGRF_GPIO0A6_SEL_MASK = 3 << PMUGRF_GPIO0A6_SEL_SHIFT,
diff --git a/arch/arm/include/asm/arch-rockchip/mipi_rk3399.h b/arch/arm/include/asm/arch-rockchip/mipi_rk3399.h
new file mode 100644
index 0000000..9a1fffb
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/mipi_rk3399.h
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2017-2025 Fuzhou Rockchip Electronics Co., Ltd
+ * author: eric.gao at rock-chips.com
+ * create date: 2017-03-31
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef RK33_MIPI_DSI_H
+#define RK33_MIPI_DSI_H
+
+/*
+ * All these mipi controller register declaration provide
+ * reg address offset, bits width, bit offset for a
+ * specified register bits. With these message, we can
+ * set or clear every bits individually for a 32bit width
+ * register. We use DSI_HOST_BITS macro definition to
+ * combinat these message using the following format:
+ * val(32bit) = addr(16bit) | width(8bit) | offest(8bit)
+ * for example:
+ * #define SHUTDOWNZ DSI_HOST_BITS(0X004, 1, 0)
+ * means SHUTDOWNZ is a signal reg bit with bit offset
+ * qual 0,and it's reg addr offset is 0x004.The conbinat
+ * result = (0x004 << 16) | (1 << 8) | 0
+ */
+#define DSI_HOST_BITS(addr, bits, bit_offset) \
+ ((addr<<16) | (bits<<8) | (bit_offset))
+
+/* DWC_DSI_VERSION_0X3133302A */
+#define VERSION DSI_HOST_BITS(0X000, 32, 0)
+#define SHUTDOWNZ DSI_HOST_BITS(0X004, 1, 0)
+#define TO_CLK_DIVISION DSI_HOST_BITS(0X008, 8, 8)
+#define TX_ESC_CLK_DIVISION DSI_HOST_BITS(0X008, 8, 0)
+#define DPI_VCID DSI_HOST_BITS(0X00C, 2, 0)
+#define EN18_LOOSELY DSI_HOST_BITS(0X010, 1, 8)
+#define DPI_COLOR_CODING DSI_HOST_BITS(0X010, 4, 0)
+#define COLORM_ACTIVE_LOW DSI_HOST_BITS(0X014, 1, 4)
+#define SHUTD_ACTIVE_LOW DSI_HOST_BITS(0X014, 1, 3)
+#define HSYNC_ACTIVE_LOW DSI_HOST_BITS(0X014, 1, 2)
+#define VSYNC_ACTIVE_LOW DSI_HOST_BITS(0X014, 1, 1)
+#define DATAEN_ACTIVE_LOW DSI_HOST_BITS(0X014, 1, 0)
+#define OUTVACT_LPCMD_TIME DSI_HOST_BITS(0X018, 8, 16)
+#define INVACT_LPCMD_TIME DSI_HOST_BITS(0X018, 8, 0)
+#define CRC_RX_EN DSI_HOST_BITS(0X02C, 1, 4)
+#define ECC_RX_EN DSI_HOST_BITS(0X02C, 1, 3)
+#define BTA_EN DSI_HOST_BITS(0X02C, 1, 2)
+#define EOTP_RX_EN DSI_HOST_BITS(0X02C, 1, 1)
+#define EOTP_TX_EN DSI_HOST_BITS(0X02C, 1, 0)
+#define GEN_VID_RX DSI_HOST_BITS(0X030, 2, 0)
+#define CMD_VIDEO_MODE DSI_HOST_BITS(0X034, 1, 0)
+#define VPG_ORIENTATION DSI_HOST_BITS(0X038, 1, 24)
+#define VPG_MODE DSI_HOST_BITS(0X038, 1, 20)
+#define VPG_EN DSI_HOST_BITS(0X038, 1, 16)
+#define LP_CMD_EN DSI_HOST_BITS(0X038, 1, 15)
+#define FRAME_BTA_ACK_EN DSI_HOST_BITS(0X038, 1, 14)
+#define LP_HFP_EN DSI_HOST_BITS(0X038, 1, 13)
+#define LP_HBP_EN DSI_HOST_BITS(0X038, 1, 12)
+#define LP_VACT_EN DSI_HOST_BITS(0X038, 1, 11)
+#define LP_VFP_EN DSI_HOST_BITS(0X038, 1, 10)
+#define LP_VBP_EN DSI_HOST_BITS(0X038, 1, 9)
+#define LP_VSA_EN DSI_HOST_BITS(0X038, 1, 8)
+#define VID_MODE_TYPE DSI_HOST_BITS(0X038, 2, 0)
+#define VID_PKT_SIZE DSI_HOST_BITS(0X03C, 14, 0)
+#define NUM_CHUNKS DSI_HOST_BITS(0X040, 13, 0)
+#define NULL_PKT_SIZE DSI_HOST_BITS(0X044, 13, 0)
+#define VID_HSA_TIME DSI_HOST_BITS(0X048, 12, 0)
+#define VID_HBP_TIME DSI_HOST_BITS(0X04C, 12, 0)
+#define VID_HLINE_TIME DSI_HOST_BITS(0X050, 15, 0)
+#define VID_VSA_LINES DSI_HOST_BITS(0X054, 10, 0)
+#define VID_VBP_LINES DSI_HOST_BITS(0X058, 10, 0)
+#define VID_VFP_LINES DSI_HOST_BITS(0X05C, 10, 0)
+#define VID_ACTIVE_LINES DSI_HOST_BITS(0X060, 14, 0)
+#define EDPI_CMD_SIZE DSI_HOST_BITS(0X064, 16, 0)
+#define MAX_RD_PKT_SIZE DSI_HOST_BITS(0X068, 1, 24)
+#define DCS_LW_TX DSI_HOST_BITS(0X068, 1, 19)
+#define DCS_SR_0P_TX DSI_HOST_BITS(0X068, 1, 18)
+#define DCS_SW_1P_TX DSI_HOST_BITS(0X068, 1, 17)
+#define DCS_SW_0P_TX DSI_HOST_BITS(0X068, 1, 16)
+#define GEN_LW_TX DSI_HOST_BITS(0X068, 1, 14)
+#define GEN_SR_2P_TX DSI_HOST_BITS(0X068, 1, 13)
+#define GEN_SR_1P_TX DSI_HOST_BITS(0X068, 1, 12)
+#define GEN_SR_0P_TX DSI_HOST_BITS(0X068, 1, 11)
+#define GEN_SW_2P_TX DSI_HOST_BITS(0X068, 1, 10)
+#define GEN_SW_1P_TX DSI_HOST_BITS(0X068, 1, 9)
+#define GEN_SW_0P_TX DSI_HOST_BITS(0X068, 1, 8)
+#define ACK_RQST_EN DSI_HOST_BITS(0X068, 1, 1)
+#define TEAR_FX_EN DSI_HOST_BITS(0X068, 1, 0)
+#define GEN_WC_MSBYTE DSI_HOST_BITS(0X06C, 14, 16)
+#define GEN_WC_LSBYTE DSI_HOST_BITS(0X06C, 8, 8)
+#define GEN_VC DSI_HOST_BITS(0X06C, 2, 6)
+#define GEN_DT DSI_HOST_BITS(0X06C, 6, 0)
+#define GEN_PLD_DATA DSI_HOST_BITS(0X070, 32, 0)
+#define GEN_RD_CMD_BUSY DSI_HOST_BITS(0X074, 1, 6)
+#define GEN_PLD_R_FULL DSI_HOST_BITS(0X074, 1, 5)
+#define GEN_PLD_R_EMPTY DSI_HOST_BITS(0X074, 1, 4)
+#define GEN_PLD_W_FULL DSI_HOST_BITS(0X074, 1, 3)
+#define GEN_PLD_W_EMPTY DSI_HOST_BITS(0X074, 1, 2)
+#define GEN_CMD_FULL DSI_HOST_BITS(0X074, 1, 1)
+#define GEN_CMD_EMPTY DSI_HOST_BITS(0X074, 1, 0)
+#define HSTX_TO_CNT DSI_HOST_BITS(0X078, 16, 16)
+#define LPRX_TO_CNT DSI_HOST_BITS(0X078, 16, 0)
+#define HS_RD_TO_CNT DSI_HOST_BITS(0X07C, 16, 0)
+#define LP_RD_TO_CNT DSI_HOST_BITS(0X080, 16, 0)
+#define PRESP_TO_MODE DSI_HOST_BITS(0X084, 1, 24)
+#define HS_WR_TO_CNT DSI_HOST_BITS(0X084, 16, 0)
+#define LP_WR_TO_CNT DSI_HOST_BITS(0X088, 16, 0)
+#define BTA_TO_CNT DSI_HOST_BITS(0X08C, 16, 0)
+#define AUTO_CLKLANE_CTRL DSI_HOST_BITS(0X094, 1, 1)
+#define PHY_TXREQUESTCLKHS DSI_HOST_BITS(0X094, 1, 0)
+#define PHY_HS2LP_TIME_CLK_LANE DSI_HOST_BITS(0X098, 10, 16)
+#define PHY_HS2HS_TIME_CLK_LANE DSI_HOST_BITS(0X098, 10, 0)
+#define PHY_HS2LP_TIME DSI_HOST_BITS(0X09C, 8, 24)
+#define PHY_LP2HS_TIME DSI_HOST_BITS(0X09C, 8, 16)
+#define MAX_RD_TIME DSI_HOST_BITS(0X09C, 15, 0)
+#define PHY_FORCEPLL DSI_HOST_BITS(0X0A0, 1, 3)
+#define PHY_ENABLECLK DSI_HOST_BITS(0X0A0, 1, 2)
+#define PHY_RSTZ DSI_HOST_BITS(0X0A0, 1, 1)
+#define PHY_SHUTDOWNZ DSI_HOST_BITS(0X0A0, 1, 0)
+#define PHY_STOP_WAIT_TIME DSI_HOST_BITS(0X0A4, 8, 8)
+#define N_LANES DSI_HOST_BITS(0X0A4, 2, 0)
+#define PHY_TXEXITULPSLAN DSI_HOST_BITS(0X0A8, 1, 3)
+#define PHY_TXREQULPSLAN DSI_HOST_BITS(0X0A8, 1, 2)
+#define PHY_TXEXITULPSCLK DSI_HOST_BITS(0X0A8, 1, 1)
+#define PHY_TXREQULPSCLK DSI_HOST_BITS(0X0A8, 1, 0)
+#define PHY_TX_TRIGGERS DSI_HOST_BITS(0X0AC, 4, 0)
+#define PHYSTOPSTATECLKLANE DSI_HOST_BITS(0X0B0, 1, 2)
+#define PHYLOCK DSI_HOST_BITS(0X0B0, 1, 0)
+#define PHY_TESTCLK DSI_HOST_BITS(0X0B4, 1, 1)
+#define PHY_TESTCLR DSI_HOST_BITS(0X0B4, 1, 0)
+#define PHY_TESTEN DSI_HOST_BITS(0X0B8, 1, 16)
+#define PHY_TESTDOUT DSI_HOST_BITS(0X0B8, 8, 8)
+#define PHY_TESTDIN DSI_HOST_BITS(0X0B8, 8, 0)
+#define PHY_TEST_CTRL1 DSI_HOST_BITS(0X0B8, 17, 0)
+#define PHY_TEST_CTRL0 DSI_HOST_BITS(0X0B4, 2, 0)
+#define INT_ST0 DSI_HOST_BITS(0X0BC, 21, 0)
+#define INT_ST1 DSI_HOST_BITS(0X0C0, 18, 0)
+#define INT_MKS0 DSI_HOST_BITS(0X0C4, 21, 0)
+#define INT_MKS1 DSI_HOST_BITS(0X0C8, 18, 0)
+#define INT_FORCE0 DSI_HOST_BITS(0X0D8, 21, 0)
+#define INT_FORCE1 DSI_HOST_BITS(0X0DC, 18, 0)
+
+#define CODE_HS_RX_CLOCK 0X34
+#define CODE_HS_RX_LANE0 0X44
+#define CODE_HS_RX_LANE1 0X54
+#define CODE_HS_RX_LANE2 0X84
+#define CODE_HS_RX_LANE3 0X94
+
+#define CODE_PLL_INPUT_DIV_RAT 0X17
+#define CODE_PLL_LOOP_DIV_RAT 0X18
+#define CODE_PLL_VCORANGE_VCOCAP 0X10
+#define CODE_PLL_INPUT_LOOP_DIV_RAT 0X19
+#define CODE_PLL_CPCTRL 0X11
+
+#define CODE_HSTXDATALANEREQUSETSTATETIME 0X70
+#define CODE_HSTXDATALANEPREPARESTATETIME 0X71
+#define CODE_HSTXDATALANEHSZEROSTATETIME 0X72
+
+enum vid_mode_type_t {
+ NON_BURST_SYNC_PLUSE = 0,
+ NON_BURST_SYNC_EVENT,
+ BURST_MODE,
+};
+
+enum cmd_video_mode {
+ VIDEO_MODE = 0,
+ CMD_MODE,
+};
+
+enum dpi_color_coding {
+ DPI_16BIT_CFG_1 = 0,
+ DPI_16BIT_CFG_2,
+ DPI_16BIT_CFG_3,
+ DPI_18BIT_CFG_1,
+ DPI_18BIT_CFG_2,
+ DPI_24BIT,
+ DPI_20BIT_YCBCR_422_LP,
+ DPI_24BIT_YCBCR_422,
+ DPI_16BIT_YCBCR_422,
+ DPI_30BIT,
+ DPI_36BIT,
+ DPI_12BIT_YCBCR_420,
+};
+
+enum vop_id {
+ VOP_B = 0,
+ VOP_L,
+};
+
+#endif /* end of RK33_MIPI_DSI_H */
diff --git a/arch/arm/include/asm/arch-rockchip/vop_rk3288.h b/arch/arm/include/asm/arch-rockchip/vop_rk3288.h
index 0ce3d67..d5599ec 100644
--- a/arch/arm/include/asm/arch-rockchip/vop_rk3288.h
+++ b/arch/arm/include/asm/arch-rockchip/vop_rk3288.h
@@ -90,6 +90,7 @@ enum vop_modes {
VOP_MODE_EDP = 0,
VOP_MODE_HDMI,
VOP_MODE_LVDS,
+ VOP_MODE_MIPI,
VOP_MODE_NONE,
VOP_MODE_AUTO_DETECT,
VOP_MODE_UNKNOWN,
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 2069576..4b03a9a 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -405,6 +405,8 @@ config VIDEO_ROCKCHIP
(DSI). This driver supports the on-chip video output device, and
targets the Rockchip RK3288.
+source "drivers/video/rockchip/Kconfig"
+
config VIDEO_SANDBOX_SDL
bool "Enable sandbox video console using SDL"
depends on SANDBOX
diff --git a/drivers/video/rockchip/Kconfig b/drivers/video/rockchip/Kconfig
new file mode 100644
index 0000000..674034b
--- /dev/null
+++ b/drivers/video/rockchip/Kconfig
@@ -0,0 +1,47 @@
+#
+# video drivers selection for rockchip soc, these
+# configs only impact the compile process. you can
+# surely check all the options.In this case,all the
+# display driver will be compiled, but which port
+# finally be used is decided by dts configuration.
+#
+
+menu "Video Display Port"
+
+config DISPLAY_MIPI
+ bool "MIPI Port"
+ depends on VIDEO_ROCKCHIP
+ help
+ Involve MIPI dsi for video port.
+ if you want to enable these function,you need
+ to turn on the DM_VIDEO,VDEIO_ROCKCHIP together
+ what is more,you shoud also enable the related
+ power,such as lcd3v3, lcd1v8,lcd1v0 and so on.
+config DISPLAY_EDP
+ bool "EDP Port"
+ depends on VIDEO_ROCKCHIP
+ help
+ Involve EDP for video port.
+ if you want to enable these function,you need
+ to turn on the DM_VIDEO,VDEIO_ROCKCHIP together
+ what is more,you shoud also enable the related
+ power,such as lcd3v3, lcd1v8,lcd1v0 and so on.
+config DISPLAY_LVDS
+ bool "LVDS Port"
+ depends on VIDEO_ROCKCHIP
+ help
+ Involve LVDS for video port.
+ if you want to enable these function,you need
+ to turn on the DM_VIDEO,VDEIO_ROCKCHIP together
+ what is more,you shoud also enable the related
+ power,such as lcd3v3, lcd1v8,lcd1v0 and so on.
+config DISPLAY_HDMI
+ bool "HDMI port"
+ depends on VIDEO_ROCKCHIP
+ help
+ Involve HDMI for video port
+ if you want to enable these function,you need
+ to turn on the DM_VIDEO,VDEIO_ROCKCHIP together
+ what is more,you shoud also enable the related
+ power,such as lcd3v3, lcd1v8,lcd1v0 and so on.
+endmenu
diff --git a/drivers/video/rockchip/Makefile b/drivers/video/rockchip/Makefile
index 7962f86..a14db04 100644
--- a/drivers/video/rockchip/Makefile
+++ b/drivers/video/rockchip/Makefile
@@ -5,4 +5,8 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y += rk_edp.o rk_hdmi.o rk_vop.o rk_lvds.o
+obj-$(CONFIG_VIDEO_ROCKCHIP) += rk_vop.o
+obj-$(CONFIG_DISPLAY_MIPI) += rk_mipi.o
+obj-$(CONFIG_DISPLAY_EDP) += rk_edp.o
+obj-$(CONFIG_DISPLAY_LVDS) += rk_lvds.o
+obj-$(CONFIG_DISPLAY_HDMI) += rk_hdmi.o
diff --git a/drivers/video/rockchip/rk_mipi.c b/drivers/video/rockchip/rk_mipi.c
new file mode 100644
index 0000000..a2c2a28
--- /dev/null
+++ b/drivers/video/rockchip/rk_mipi.c
@@ -0,0 +1,465 @@
+/*
+ * Copyright (c) 2016, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the SPDX General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#define DEBUG
+#include <common.h>
+#include <clk.h>
+#include <display.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <panel.h>
+#include <regmap.h>
+#include <syscon.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <asm/arch/mipi_rk3399.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/grf_rk3399.h>
+#include <asm/arch/cru_rk3399.h>
+#include <linux/kernel.h>
+#include <dt-bindings/clock/rk3288-cru.h>
+#include <dm/uclass-internal.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct mipi_dsi {
+ u32 ref_clk;
+ u32 sys_clk;
+ u32 pix_clk;
+ u32 phy_clk;
+ u32 txbyte_clk;
+ u32 txesc_clk;
+};
+
+struct rk_mipi_priv {
+ void __iomem *regs;
+ struct rk3399_grf_regs *grf;
+ struct udevice *panel;
+ struct mipi_dsi *dsi;
+};
+
+static int rk_mipi_read_timing(struct udevice *dev,
+ struct display_timing *timing)
+{
+ if (fdtdec_decode_display_timing
+ (gd->fdt_blob, dev_of_offset(dev), 0, timing)) {
+ debug("%s: Failed to decode display timing\n", __func__);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+/*
+ * register write function used only for mipi dsi controller.
+ * parameter:
+ * reg: combination of regaddr(16bit)|bitswidth(8bit)|offset(8bit)
+ * you can use define in rk_mipi.h directly for this parameter
+ * val: value that will be write to specified bits of register
+ */
+static void rk_mipi_dsi_write(struct udevice *dev, u32 reg, u32 val)
+{
+ #define OFFSET (reg & 0xff)
+ #define BITS ((reg >> 8) & 0xff)
+ #define ADDR ((reg >> 16) + priv->regs)
+
+ u32 dat;
+ u32 mask;
+ struct rk_mipi_priv *priv = dev_get_priv(dev);
+
+ /* Mask for specifiled bits,the corresponding bits will be clear */
+ mask = (~((0xffffffff << OFFSET) &
+ (0xffffffff >> (32 - OFFSET - BITS))));
+
+ /* Make sure val in the available range */
+ val &= (~(0xffffffff << BITS));
+
+ /* Get register's original val */
+ dat = readl(ADDR);
+
+ /* Clear specified bits */
+ dat &= mask;
+
+ /* Fill specified bits */
+ dat |= (val << OFFSET);
+
+ writel(dat, ADDR);
+}
+
+static int rk_mipi_dsi_enable(struct udevice *dev,
+ const struct display_timing *timing)
+{
+ int node, timing_node;
+ int val;
+ struct rk_mipi_priv *priv = dev_get_priv(dev);
+ struct display_plat *disp_uc_plat = dev_get_uclass_platdata(dev);
+ u32 txbyte_clk = priv->dsi->txbyte_clk;
+ u32 txesc_clk = priv->dsi->txesc_clk;
+
+ txesc_clk = txbyte_clk/(txbyte_clk/txesc_clk + 1);
+
+ /* Select the video source */
+ switch (disp_uc_plat->source_id) {
+ case VOP_B:
+ rk_clrsetreg(&priv->grf->soc_con20, GRF_DSI0_VOP_SEL_MASK,
+ GRF_DSI0_VOP_SEL_B << GRF_DSI0_VOP_SEL_SHIFT);
+ break;
+ case VOP_L:
+ rk_clrsetreg(&priv->grf->soc_con20, GRF_DSI0_VOP_SEL_MASK,
+ GRF_DSI0_VOP_SEL_L << GRF_DSI0_VOP_SEL_SHIFT);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Set Controller as TX mode */
+ val = GRF_DPHY_TX0_RXMODE_DIS << GRF_DPHY_TX0_RXMODE_SHIFT;
+ rk_clrsetreg(&priv->grf->soc_con22, GRF_DPHY_TX0_RXMODE_MASK, val);
+
+ /* Exit tx stop mode */
+ val |= GRF_DPHY_TX0_TXSTOPMODE_DIS << GRF_DPHY_TX0_TXSTOPMODE_SHIFT;
+ rk_clrsetreg(&priv->grf->soc_con22, GRF_DPHY_TX0_TXSTOPMODE_MASK, val);
+
+ /* Disable turnequest */
+ val |= GRF_DPHY_TX0_TURNREQUEST_DIS << GRF_DPHY_TX0_TURNREQUEST_SHIFT;
+ rk_clrsetreg(&priv->grf->soc_con22, GRF_DPHY_TX0_TURNREQUEST_MASK, val);
+
+ /* Set Display timing parameter */
+ rk_mipi_dsi_write(dev, VID_HSA_TIME, timing->hsync_len.typ);
+ rk_mipi_dsi_write(dev, VID_HBP_TIME, timing->hback_porch.typ);
+ rk_mipi_dsi_write(dev, VID_HLINE_TIME,
+ (timing->hsync_len.typ +
+ timing->hback_porch.typ +
+ timing->hactive.typ +
+ timing->hfront_porch.typ));
+ rk_mipi_dsi_write(dev, VID_VSA_LINES, timing->vsync_len.typ);
+ rk_mipi_dsi_write(dev, VID_VBP_LINES, timing->vback_porch.typ);
+ rk_mipi_dsi_write(dev, VID_VFP_LINES, timing->vfront_porch.typ);
+ rk_mipi_dsi_write(dev, VID_ACTIVE_LINES, timing->vactive.typ);
+
+ /* Set Signal Polarity */
+ val = (timing->flags & DISPLAY_FLAGS_HSYNC_LOW) ? 1 : 0;
+ rk_mipi_dsi_write(dev, HSYNC_ACTIVE_LOW, val);
+
+ val = (timing->flags & DISPLAY_FLAGS_VSYNC_LOW) ? 1 : 0;
+ rk_mipi_dsi_write(dev, VSYNC_ACTIVE_LOW, val);
+
+ val = (timing->flags & DISPLAY_FLAGS_DE_LOW) ? 1 : 0;
+ rk_mipi_dsi_write(dev, DISPLAY_FLAGS_DE_LOW, val);
+
+ val = (timing->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE) ? 1 : 0;
+ rk_mipi_dsi_write(dev, COLORM_ACTIVE_LOW, val);
+
+ /* Set video mode */
+ rk_mipi_dsi_write(dev, CMD_VIDEO_MODE, VIDEO_MODE);
+
+ /* Set video mode transmission type as burst mode */
+ rk_mipi_dsi_write(dev, VID_MODE_TYPE, BURST_MODE);
+
+ /* Set pix num in a video package */
+ rk_mipi_dsi_write(dev, VID_PKT_SIZE, 0x4b0);
+
+ /* Set dpi color coding depth 24 bit */
+ timing_node = fdt_subnode_offset(gd->fdt_blob,
+ dev_of_offset(dev), "display-timings");
+ node = fdt_first_subnode(gd->fdt_blob, timing_node);
+ val = fdtdec_get_int(gd->fdt_blob, node, "bits-per-pixel", -1);
+ switch (val) {
+ case 16:
+ rk_mipi_dsi_write(dev, DPI_COLOR_CODING, DPI_16BIT_CFG_1);
+ break;
+ case 24:
+ rk_mipi_dsi_write(dev, DPI_COLOR_CODING, DPI_24BIT);
+ break;
+ case 30:
+ rk_mipi_dsi_write(dev, DPI_COLOR_CODING, DPI_30BIT);
+ break;
+ default:
+ rk_mipi_dsi_write(dev, DPI_COLOR_CODING, DPI_24BIT);
+ }
+ /* Enable low power mode */
+ rk_mipi_dsi_write(dev, LP_CMD_EN, 1);
+ rk_mipi_dsi_write(dev, LP_HFP_EN, 1);
+ rk_mipi_dsi_write(dev, LP_VACT_EN, 1);
+ rk_mipi_dsi_write(dev, LP_VFP_EN, 1);
+ rk_mipi_dsi_write(dev, LP_VBP_EN, 1);
+ rk_mipi_dsi_write(dev, LP_VSA_EN, 1);
+
+ /* Division for timeout counter clk */
+ rk_mipi_dsi_write(dev, TO_CLK_DIVISION, 0x0a);
+
+ /* Tx esc clk division from txbyte clk */
+ rk_mipi_dsi_write(dev, TX_ESC_CLK_DIVISION, txbyte_clk/txesc_clk);
+
+ /*
+ * Timeout count for hs<->lp
+ * transation between Line period
+ */
+ rk_mipi_dsi_write(dev, HSTX_TO_CNT, 0x3e8);
+
+ /* Phy State transfer timing */
+ rk_mipi_dsi_write(dev, PHY_STOP_WAIT_TIME, 32);
+ rk_mipi_dsi_write(dev, PHY_TXREQUESTCLKHS, 1);
+ rk_mipi_dsi_write(dev, PHY_HS2LP_TIME, 0x14);
+ rk_mipi_dsi_write(dev, PHY_LP2HS_TIME, 0x10);
+ rk_mipi_dsi_write(dev, MAX_RD_TIME, 0x2710);
+
+ /* Power on */
+ rk_mipi_dsi_write(dev, SHUTDOWNZ, 1);
+
+ return 0;
+}
+
+/*
+ * rk mipi dphy write function
+ */
+static void rk_mipi_phy_write(struct udevice *dev, unsigned char test_code,
+ unsigned char *test_data, unsigned char size)
+{
+ int i = 0;
+ /* Write Test code */
+ rk_mipi_dsi_write(dev, PHY_TESTCLK, 1);
+ rk_mipi_dsi_write(dev, PHY_TESTDIN, test_code);
+ rk_mipi_dsi_write(dev, PHY_TESTEN, 1);
+ rk_mipi_dsi_write(dev, PHY_TESTCLK, 0);
+ rk_mipi_dsi_write(dev, PHY_TESTEN, 0);
+
+ /* Write Test data */
+ for (i = 0; i < size; i++) {
+ rk_mipi_dsi_write(dev, PHY_TESTCLK, 0);
+ rk_mipi_dsi_write(dev, PHY_TESTDIN, test_data[i]);
+ rk_mipi_dsi_write(dev, PHY_TESTCLK, 1);
+ }
+}
+
+/*
+ * mipi dphy config function. calculate the suitable prediv,
+ * feedback div,fsfreqrang value ,cap ,lpf and so on
+ * according to the given pix clk ratthe.and then enable phy
+ */
+static int rk_mipi_phy_enable(struct udevice *dev)
+{
+ int i;
+ struct rk_mipi_priv *priv = dev_get_priv(dev);
+ u64 fbdiv;
+ u64 prediv = 1;
+ u64 ddr_clk = priv->dsi->phy_clk;
+ u32 refclk = priv->dsi->ref_clk;
+ u32 remain = refclk;
+ unsigned char test_data[2] = {0};
+
+ /*
+ * dphy fsfreqrang
+ * different dphy config is needed for diffenect freq rang
+ * here list the config-freq relation
+ */
+ int freq_rang[][2] = {
+ {90, 0x01}, {100, 0x10}, {110, 0x20}, {130, 0x01},
+ {140, 0x11}, {150, 0x21}, {170, 0x02}, {180, 0x12},
+ {200, 0x22}, {220, 0x03}, {240, 0x13}, {250, 0x23},
+ {270, 0x04}, {300, 0x14}, {330, 0x05}, {360, 0x15},
+ {400, 0x25}, {450, 0x06}, {500, 0x16}, {550, 0x07},
+ {600, 0x17}, {650, 0x08}, {700, 0x18}, {750, 0x09},
+ {800, 0x19}, {850, 0x29}, {900, 0x39}, {950, 0x0a},
+ {1000, 0x1a}, {1050, 0x2a}, {1100, 0x3a}, {1150, 0x0b},
+ {1200, 0x1b}, {1250, 0x2b}, {1300, 0x3b}, {1350, 0x0c},
+ {1400, 0x1c}, {1450, 0x2c}, {1500, 0x3c}
+ };
+
+ /* Shutdown mode */
+ rk_mipi_dsi_write(dev, PHY_SHUTDOWNZ, 0);
+ rk_mipi_dsi_write(dev, PHY_RSTZ, 0);
+ rk_mipi_dsi_write(dev, PHY_TESTCLR, 1);
+
+ /* Pll locking */
+ rk_mipi_dsi_write(dev, PHY_TESTCLR, 0);
+
+ /* config cp and lfp */
+ test_data[0] = 0x80 | (ddr_clk / (200*MHZ)) << 3 | 0x3;
+ rk_mipi_phy_write(dev, 0x10, test_data, 1);
+
+ test_data[0] = 0x8;
+ rk_mipi_phy_write(dev, 0x11, test_data, 1);
+
+ test_data[0] = 0x80 | 0x40;
+ rk_mipi_phy_write(dev, 0x12, test_data, 1);
+
+ /* select the suitable value for fsfreqrang reg */
+ for (i = 0; i < ARRAY_SIZE(freq_rang); i++) {
+ if (ddr_clk / (MHZ) >= freq_rang[i][0])
+ break;
+ }
+ test_data[0] = freq_rang[i][1] << 1;
+ rk_mipi_phy_write(dev, CODE_HS_RX_LANE0, test_data, 1);
+
+ /*
+ * Calculate the best ddrclk and it's
+ * corresponding div value, If the given
+ * pixelclock is great than 250M, the ddr
+ * clk will be fix 1500M.otherwise , it's
+ * equal to ddr_clk= pixclk*6.
+ * 40MHZ>=refclk/prediv>=5MHZ according to spec
+ */
+ #define MAX_FBDIV 512
+ #define MAX_PREDIV (refclk/(5*MHZ))
+ #define MIN_PREDIV ((refclk/(40*MHZ)) ? (refclk/(40*MHZ) + 1) : 1)
+
+ debug("DEBUG: MAX_PREDIV=%u, MIN_PREDIV=%u\n", MAX_PREDIV, MIN_PREDIV);
+
+ if (MAX_PREDIV < MIN_PREDIV) {
+ debug("Err: Invalid refclk value@%s\n", __func__);
+ return -EINVAL;
+ }
+
+ for (i = MIN_PREDIV; i < MAX_PREDIV; i++) {
+ if ((ddr_clk * i % refclk < remain) &&
+ (ddr_clk * i / refclk) < MAX_FBDIV) {
+ prediv = i;
+ remain = ddr_clk * i % refclk;
+ }
+ }
+ fbdiv = ddr_clk * prediv / refclk;
+ ddr_clk = refclk * fbdiv / prediv;
+ priv->dsi->phy_clk = ddr_clk;
+
+ debug("DEBUG:refclk=%u, refclk=%llu, fbdiv=%llu, phyclk=%llu\n",
+ refclk, prediv, fbdiv, ddr_clk);
+
+ /* config prediv and feedback reg */
+ test_data[0] = prediv - 1;
+ rk_mipi_phy_write(dev, CODE_PLL_INPUT_DIV_RAT, test_data, 1);
+ test_data[0] = (fbdiv - 1) & 0x1f;
+ rk_mipi_phy_write(dev, CODE_PLL_LOOP_DIV_RAT, test_data, 1);
+ test_data[0] = (fbdiv - 1) >> 5 | 0x80;
+ rk_mipi_phy_write(dev, CODE_PLL_LOOP_DIV_RAT, test_data, 1);
+ test_data[0] = 0x30;
+ rk_mipi_phy_write(dev, CODE_PLL_INPUT_LOOP_DIV_RAT, test_data, 1);
+
+ /* rest config */
+ test_data[0] = 0x4d;
+ rk_mipi_phy_write(dev, 0x20, test_data, 1);
+
+ test_data[0] = 0x3d;
+ rk_mipi_phy_write(dev, 0x21, test_data, 1);
+
+ test_data[0] = 0xdf;
+ rk_mipi_phy_write(dev, 0x21, test_data, 1);
+
+ test_data[0] = 0x7;
+ rk_mipi_phy_write(dev, 0x22, test_data, 1);
+
+ test_data[0] = 0x80 | 0x7;
+ rk_mipi_phy_write(dev, 0x22, test_data, 1);
+
+ test_data[0] = 0x80 | 15;
+ rk_mipi_phy_write(dev, CODE_HSTXDATALANEREQUSETSTATETIME,
+ test_data, 1);
+ test_data[0] = 0x80 | 85;
+ rk_mipi_phy_write(dev, CODE_HSTXDATALANEPREPARESTATETIME,
+ test_data, 1);
+ test_data[0] = 0x40 | 10;
+ rk_mipi_phy_write(dev, CODE_HSTXDATALANEHSZEROSTATETIME,
+ test_data, 1);
+
+ /* enter into stop mode */
+ rk_mipi_dsi_write(dev, N_LANES, 0x03);
+ rk_mipi_dsi_write(dev, PHY_ENABLECLK, 1);
+ rk_mipi_dsi_write(dev, PHY_FORCEPLL, 1);
+ rk_mipi_dsi_write(dev, PHY_SHUTDOWNZ, 1);
+ rk_mipi_dsi_write(dev, PHY_RSTZ, 1);
+
+ return 0;
+}
+
+static int rk_mipi_enable(struct udevice *dev, int panel_bpp,
+ const struct display_timing *timing)
+{
+ return 0;
+}
+
+static int rk_mipi_ofdata_to_platdata(struct udevice *dev)
+{
+ struct rk_mipi_priv *priv = dev_get_priv(dev);
+
+ priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+ priv->regs = (void *)dev_get_addr(dev);
+
+ return 0;
+}
+
+/*
+ * probe function: check panel existence and reading
+ * it's timing. then config mipi dsi controller and
+ * enable it according to the timing parameter
+ */
+static int rk_mipi_probe(struct udevice *dev)
+{
+ struct rk_mipi_priv *priv = dev_get_priv(dev);
+ struct display_timing timing;
+ int ret;
+
+ ret = uclass_get_device_by_phandle(UCLASS_PANEL, dev, "rockchip,panel",
+ &priv->panel);
+ if (ret) {
+ debug("Err:Can't find panel@%s, ret = %d\n", __func__, ret);
+ return -ENODEV;
+ }
+ /* Read panel timing,and save to struct timing */
+ rk_mipi_read_timing(dev, &timing);
+
+ /* fill the mipi controller parameter */
+ priv->dsi->ref_clk = 24*MHZ;
+ priv->dsi->sys_clk = priv->dsi->ref_clk;
+ priv->dsi->pix_clk = timing.pixelclock.typ;
+ priv->dsi->phy_clk = priv->dsi->pix_clk * 6;
+ priv->dsi->txbyte_clk = priv->dsi->phy_clk / 8;
+ priv->dsi->txesc_clk = 20*MHZ;
+
+ /* config mipi dsi according to timing and enable it */
+ ret = rk_mipi_dsi_enable(dev, &timing);
+ if (ret) {
+ debug("Err: mipi dsi enable fail@%s,ret=%d\n", __func__, ret);
+ return ret;
+ }
+
+ /* init mipi dsi phy */
+ ret = rk_mipi_phy_enable(dev);
+ if (ret) {
+ debug("Err: mipi phy enable fail@%s,ret=%d\n", __func__, ret);
+ return ret;
+ }
+
+ /* enable backlight */
+ ret = panel_enable_backlight(priv->panel);
+ if (ret) {
+ debug("Err: fail to enable bg@%s,ret=%d\n", __func__, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct dm_display_ops rk_mipi_dsi_ops = {
+ .read_timing = rk_mipi_read_timing,
+ .enable = rk_mipi_enable,
+};
+
+static const struct udevice_id rk_mipi_dsi_ids[] = {
+ { .compatible = "rockchip,rk3399_mipi_dsi" },
+ { }
+};
+
+U_BOOT_DRIVER(rk_mipi_dsi) = {
+ .name = "rk_mipi_dsi",
+ .id = UCLASS_DISPLAY,
+ .of_match = rk_mipi_dsi_ids,
+ .ofdata_to_platdata = rk_mipi_ofdata_to_platdata,
+ .probe = rk_mipi_probe,
+ .ops = &rk_mipi_dsi_ops,
+ .priv_auto_alloc_size = sizeof(struct rk_mipi_priv),
+};
diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c
index aeecb58..e833eb5 100644
--- a/drivers/video/rockchip/rk_vop.c
+++ b/drivers/video/rockchip/rk_vop.c
@@ -109,6 +109,10 @@ void rkvop_mode_set(struct rk3288_vop *regs,
clrsetbits_le32(®s->sys_ctrl, M_ALL_OUT_EN,
V_HDMI_OUT_EN(1));
break;
+ case VOP_MODE_MIPI:
+ clrsetbits_le32(®s->sys_ctrl, M_ALL_OUT_EN,
+ V_MIPI_OUT_EN(1));
+ break;
case VOP_MODE_EDP:
default:
clrsetbits_le32(®s->sys_ctrl, M_ALL_OUT_EN,
@@ -178,13 +182,11 @@ void rkvop_mode_set(struct rk3288_vop *regs,
*
* @dev: VOP device that we want to connect to the display
* @fbbase: Frame buffer address
- * @l2bpp Log2 of bits-per-pixels for the display
* @ep_node: Device tree node to process - this is the offset of an endpoint
* node within the VOP's 'port' list.
* @return 0 if OK, -ve if something went wrong
*/
-int rk_display_init(struct udevice *dev, ulong fbbase,
- enum video_log2_bpp l2bpp, int ep_node)
+int rk_display_init(struct udevice *dev, ulong fbbase, int ep_node)
{
struct video_priv *uc_priv = dev_get_uclass_priv(dev);
const void *blob = gd->fdt_blob;
@@ -196,6 +198,7 @@ int rk_display_init(struct udevice *dev, ulong fbbase,
int ret, remote, i, offset;
struct display_plat *disp_uc_plat;
struct clk clk;
+ enum video_log2_bpp l2bpp;
vop_id = fdtdec_get_int(blob, ep_node, "reg", -1);
debug("vop_id=%d\n", vop_id);
@@ -245,11 +248,26 @@ int rk_display_init(struct udevice *dev, ulong fbbase,
ret = clk_get_by_index(dev, 1, &clk);
if (!ret)
ret = clk_set_rate(&clk, timing.pixelclock.typ);
- if (ret) {
+ /* clk_set_rate return clk rate,normally it is a none zero value */
+ if (!ret) {
debug("%s: Failed to set pixel clock: ret=%d\n", __func__, ret);
return ret;
}
+ /* Set bitwidth for vop display according to vop mode */
+ switch (vop_id) {
+ case VOP_MODE_EDP:
+ case VOP_MODE_HDMI:
+ case VOP_MODE_LVDS:
+ l2bpp = VIDEO_BPP16;
+ break;
+ case VOP_MODE_MIPI:
+ l2bpp = VIDEO_BPP32;
+ break;
+ default:
+ l2bpp = VIDEO_BPP16;
+ }
+
rkvop_mode_set(regs, &timing, vop_id);
rkvop_enable(regs, fbbase, 1 << l2bpp, &timing);
@@ -327,7 +345,7 @@ static int rk_vop_probe(struct udevice *dev)
for (node = fdt_first_subnode(blob, port);
node > 0;
node = fdt_next_subnode(blob, node)) {
- ret = rk_display_init(dev, plat->base, VIDEO_BPP16, node);
+ ret = rk_display_init(dev, plat->base, node);
if (ret)
debug("Device failed: ret=%d\n", ret);
if (!ret)
@@ -342,7 +360,14 @@ static int rk_vop_bind(struct udevice *dev)
{
struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
- plat->size = 1920 * 1080 * 2;
+ /*
+ * plat->size is only used for reserve fb space in memory befor
+ * relocation. So we just need to make sure it's big enough for
+ * all condition. And actually, we now know nothing about the
+ * display port type, color depth and it's resolution ratio.
+ * So, we can't calculat fb size accurately.
+ */
+ plat->size = 1920 * 1200 * 4;
return 0;
}
@@ -351,6 +376,8 @@ static const struct video_ops rk_vop_ops = {
};
static const struct udevice_id rk_vop_ids[] = {
+ { .compatible = "rockchip,rk3399-vop-big" },
+ { .compatible = "rockchip,rk3399-vop-lit" },
{ .compatible = "rockchip,rk3288-vop" },
{ }
};
--
1.9.1
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