dsi.c File Reference

#include <assert.h>
#include <console/console.h>
#include <mipi/panel.h>
#include <device/mmio.h>
#include <delay.h>
#include <edid.h>
#include <soc/dsi.h>
#include <string.h>
#include <timer.h>

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Macros
#define	MIN_HFP_BYTE   2
#define	MIN_HBP_BYTE   2

Functions
static unsigned int	mtk_dsi_get_bits_per_pixel (u32 format)
static u32	mtk_dsi_get_data_rate (u32 bits_per_pixel, u32 lanes, const struct edid *edid)
__weak void	mtk_dsi_override_phy_timing (struct mtk_phy_timing *timing)
static void	mtk_dsi_phy_timing (u32 data_rate, struct mtk_phy_timing *timing)
static void	mtk_dsi_clk_hs_mode_enable (void)
static void	mtk_dsi_clk_hs_mode_disable (void)
static void	mtk_dsi_set_mode (u32 mode_flags)
static void	mtk_dsi_rxtx_control (u32 mode_flags, u32 lanes)
static void	mtk_dsi_config_vdo_timing (u32 mode_flags, u32 format, u32 lanes, const struct edid *edid, const struct mtk_phy_timing *phy_timing)
static void	mtk_dsi_start (void)
static bool	mtk_dsi_is_read_command (enum mipi_dsi_transaction type)
static enum cb_err	mtk_dsi_cmdq (enum mipi_dsi_transaction type, const u8 *data, u8 len)
static void	mtk_dsi_reset_dphy (void)
int	mtk_dsi_init (u32 mode_flags, u32 format, u32 lanes, const struct edid *edid, const u8 *init_commands)

Macro Definition Documentation

MIN_HBP_BYTE

#define MIN_HBP_BYTE   2

Definition at line 14 of file dsi.c.

MIN_HFP_BYTE

#define MIN_HFP_BYTE   2

Definition at line 13 of file dsi.c.

Function Documentation

mtk_dsi_clk_hs_mode_disable()

static void mtk_dsi_clk_hs_mode_disable ( void  )

static

Definition at line 116 of file dsi.c.

References clrbits32, dsi0, dsi_regs::dsi_phy_lccon, and LC_HS_TX_EN.

Referenced by mtk_dsi_init().

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mtk_dsi_clk_hs_mode_enable()

static void mtk_dsi_clk_hs_mode_enable ( void  )

static

Definition at line 111 of file dsi.c.

References dsi0, dsi_regs::dsi_phy_lccon, LC_HS_TX_EN, and setbits32.

Referenced by mtk_dsi_init().

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mtk_dsi_cmdq()

static enum cb_err mtk_dsi_cmdq ( enum mipi_dsi_transaction  type, const u8 *  data, u8  len  )

static

Definition at line 293 of file dsi.c.

References MIPI_DSI_DCS_READ, MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM, MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM, MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM, and type.

Referenced by mtk_dsi_init().

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mtk_dsi_config_vdo_timing()

static void mtk_dsi_config_vdo_timing ( u32  mode_flags, u32  format, u32  lanes, const struct edid *  edid, const struct mtk_phy_timing *  phy_timing  )

static

Definition at line 167 of file dsi.c.

References BIOS_ERR, BIOS_NOTICE, mtk_phy_timing::d_phy, mtk_phy_timing::da_hs_exit, mtk_phy_timing::da_hs_prepare, mtk_phy_timing::da_hs_zero, DIV_ROUND_UP, dsi0, dsi_regs::dsi_hbp_wc, dsi_regs::dsi_hfp_wc, dsi_regs::dsi_hsa_wc, DSI_PS_WC, DSI_PSCON_CUSTOM_HEADER_SHIFT, dsi_regs::dsi_psctrl, dsi_regs::dsi_size_con, DSI_SIZE_CON_HEIGHT_SHIFT, DSI_SIZE_CON_WIDTH_SHIFT, dsi_regs::dsi_vact_nl, dsi_regs::dsi_vbp_nl, dsi_regs::dsi_vfp_nl, dsi_regs::dsi_vsa_nl, edid_mode::ha, edid_mode::hbl, edid_mode::hborder, edid_mode::hso, edid_mode::hspw, LOOSELY_PS_18BIT_RGB666, mtk_phy_timing::lpx, MIN_HBP_BYTE, MIN_HFP_BYTE, MIPI_DSI_FMT_RGB565, MIPI_DSI_FMT_RGB666, MIPI_DSI_FMT_RGB666_PACKED, MIPI_DSI_FMT_RGB888, MIPI_DSI_MODE_EOT_PACKET, MIPI_DSI_MODE_LINE_END, MIPI_DSI_MODE_VIDEO_BURST, MIPI_DSI_MODE_VIDEO_SYNC_PULSE, edid::mode, mtk_dsi_get_bits_per_pixel(), MTK_DSI_HAVE_SIZE_CON, PACKED_PS_16BIT_RGB565, PACKED_PS_18BIT_RGB666, PACKED_PS_24BIT_RGB888, PIXEL_STREAM_CUSTOM_HEADER, printk, edid_mode::va, edid_mode::vbl, edid_mode::vborder, edid_mode::vso, edid_mode::vspw, and write32().

Referenced by mtk_dsi_init().

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mtk_dsi_get_bits_per_pixel()

static unsigned int mtk_dsi_get_bits_per_pixel ( u32  format )

static

Definition at line 16 of file dsi.c.

References BIOS_WARNING, MIPI_DSI_FMT_RGB565, MIPI_DSI_FMT_RGB666, MIPI_DSI_FMT_RGB666_PACKED, MIPI_DSI_FMT_RGB888, and printk.

Referenced by mtk_dsi_config_vdo_timing(), and mtk_dsi_init().

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mtk_dsi_get_data_rate()

static u32 mtk_dsi_get_data_rate ( u32  bits_per_pixel, u32  lanes, const struct edid *  edid  )

static

Definition at line 32 of file dsi.c.

References BIOS_ERR, BIOS_INFO, DIV_ROUND_UP, MHz, edid::mode, MTK_DSI_DATA_RATE_MIN_MHZ, MTK_DSI_MIPI_RATIO_DENOMINATOR, MTK_DSI_MIPI_RATIO_NUMERATOR, edid_mode::pixel_clock, and printk.

Referenced by mtk_dsi_init().

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mtk_dsi_init()

int mtk_dsi_init	(	u32	mode_flags,
		u32	format,
		u32	lanes,
		const struct edid *	edid,
		const u8 *	init_commands
	)

Definition at line 360 of file dsi.c.

References mdelay(), mipi_panel_parse_init_commands(), mtk_dsi_clk_hs_mode_disable(), mtk_dsi_clk_hs_mode_enable(), mtk_dsi_cmdq(), mtk_dsi_config_vdo_timing(), mtk_dsi_configure_mipi_tx(), mtk_dsi_get_bits_per_pixel(), mtk_dsi_get_data_rate(), mtk_dsi_phy_timing(), mtk_dsi_reset(), mtk_dsi_reset_dphy(), mtk_dsi_rxtx_control(), mtk_dsi_set_mode(), and mtk_dsi_start().

Referenced by configure_display(), and display_startup().

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mtk_dsi_is_read_command()

static bool mtk_dsi_is_read_command ( enum mipi_dsi_transaction  type )

static

Definition at line 293 of file dsi.c.

mtk_dsi_override_phy_timing()

__weak void mtk_dsi_override_phy_timing

(

struct mtk_phy_timing *

timing

)

Definition at line 62 of file dsi.c.

Referenced by mtk_dsi_phy_timing().

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mtk_dsi_phy_timing()

static void mtk_dsi_phy_timing ( u32  data_rate, struct mtk_phy_timing *  timing  )

static

Definition at line 67 of file dsi.c.

References mtk_phy_timing::clk_hs_exit, mtk_phy_timing::clk_hs_post, mtk_phy_timing::clk_hs_prepare, mtk_phy_timing::clk_hs_trail, mtk_phy_timing::clk_hs_zero, mtk_phy_timing::da_hs_exit, mtk_phy_timing::da_hs_prepare, mtk_phy_timing::da_hs_sync, mtk_phy_timing::da_hs_trail, mtk_phy_timing::da_hs_zero, DIV_ROUND_UP, dsi0, dsi_regs::dsi_phy_timecon0, dsi_regs::dsi_phy_timecon1, dsi_regs::dsi_phy_timecon2, dsi_regs::dsi_phy_timecon3, mtk_phy_timing::lpx, memset(), MHz, mtk_dsi_override_phy_timing(), mtk_phy_timing::ta_get, mtk_phy_timing::ta_go, mtk_phy_timing::ta_sure, and write32().

Referenced by mtk_dsi_init().

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mtk_dsi_reset_dphy()

static void mtk_dsi_reset_dphy ( void  )

static

Definition at line 354 of file dsi.c.

References clrbits32, DPHY_RESET, dsi0, dsi_regs::dsi_con_ctrl, and setbits32.

Referenced by mtk_dsi_init().

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mtk_dsi_rxtx_control()

static void mtk_dsi_rxtx_control ( u32  mode_flags, u32  lanes  )

static

Definition at line 138 of file dsi.c.

References dsi0, dsi_regs::dsi_txrx_ctrl, EOTP_DISABLE, MIPI_DSI_CLOCK_NON_CONTINUOUS, MIPI_DSI_MODE_EOT_PACKET, NON_CONTINUOUS_CLK, and write32().

Referenced by mtk_dsi_init().

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mtk_dsi_set_mode()

static void mtk_dsi_set_mode ( u32  mode_flags )

static

Definition at line 121 of file dsi.c.

References BURST_MODE, dsi0, dsi_regs::dsi_mode_ctrl, MIPI_DSI_MODE_VIDEO, MIPI_DSI_MODE_VIDEO_BURST, MIPI_DSI_MODE_VIDEO_SYNC_PULSE, SYNC_PULSE_MODE, and write32().

Referenced by mtk_dsi_init().

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mtk_dsi_start()

static void mtk_dsi_start ( void  )

static

Definition at line 286 of file dsi.c.

References dsi0, dsi_regs::dsi_start, and write32().

Referenced by mtk_dsi_init().

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