fb.c File Reference

#include <device/mmio.h>
#include <console/console.h>
#include <delay.h>
#include <soc/dp.h>
#include <soc/dp-core.h>
#include <soc/fimd.h>
#include <soc/i2c.h>
#include <soc/power.h>
#include <soc/sysreg.h>
#include <timer.h>

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Enumerations
enum	{   ERR_PLL_NOT_UNLOCKED = 2 , ERR_VIDEO_CLOCK_BAD , ERR_VIDEO_STREAM_BAD , ERR_DPCD_READ_ERROR1 ,   ERR_DPCD_WRITE_ERROR1 , ERR_DPCD_READ_ERROR2 , ERR_DPCD_WRITE_ERROR2 , ERR_INVALID_LANE ,   ERR_PLL_NOT_LOCKED , ERR_PRE_EMPHASIS_LEVELS , ERR_LINK_RATE_ABNORMAL , ERR_MAX_LANE_COUNT_ABNORMAL ,   ERR_LINK_TRAINING_FAILURE , ERR_MISSING_DP_BASE , ERR_NO_FDT_NODE }
enum	stage_t {   STAGE_START = 0 , STAGE_LCD_VDD , STAGE_BRIDGE_SETUP , STAGE_BRIDGE_INIT ,   STAGE_BRIDGE_RESET , STAGE_HOTPLUG , STAGE_DP_CONTROLLER , STAGE_BACKLIGHT_VDD ,   STAGE_BACKLIGHT_PWM , STAGE_BACKLIGHT_EN , STAGE_DONE }

Functions
static void	fimd_bypass (void)
void	fb_init (unsigned long int fb_size, void *lcdbase, struct exynos5_fimd_panel *pd)
static int	s5p_dp_config_video (struct s5p_dp_device *dp, struct video_info *video_info)
static int	s5p_dp_enable_rx_to_enhanced_mode (struct s5p_dp_device *dp)
static int	s5p_dp_enable_scramble (struct s5p_dp_device *dp)
static int	s5p_dp_init_dp (struct s5p_dp_device *dp)
static int	s5p_dp_set_lane_lane_pre_emphasis (struct s5p_dp_device *dp, int pre_emphasis, int lane)
static void	s5p_dp_get_max_rx_bandwidth (struct s5p_dp_device *dp, u8 *bandwidth)
static void	s5p_dp_get_max_rx_lane_count (struct s5p_dp_device *dp, u8 *lane_count)
static int	s5p_dp_hw_link_training (struct s5p_dp_device *dp, unsigned int max_lane, unsigned int max_rate)
int	dp_controller_init (struct s5p_dp_device *dp_device)
int	lcd_ctrl_init (unsigned long int fb_size, struct exynos5_fimd_panel *panel_data, void *lcdbase)
	Init the LCD controller. More...

Variables
int	lcd_line_length
int	lcd_color_fg
int	lcd_color_bg
void *	lcd_console_address
short	console_col
short	console_row

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
ERR_PLL_NOT_UNLOCKED
ERR_VIDEO_CLOCK_BAD
ERR_VIDEO_STREAM_BAD
ERR_DPCD_READ_ERROR1
ERR_DPCD_WRITE_ERROR1
ERR_DPCD_READ_ERROR2
ERR_DPCD_WRITE_ERROR2
ERR_INVALID_LANE
ERR_PLL_NOT_LOCKED
ERR_PRE_EMPHASIS_LEVELS
ERR_LINK_RATE_ABNORMAL
ERR_MAX_LANE_COUNT_ABNORMAL
ERR_LINK_TRAINING_FAILURE
ERR_MISSING_DP_BASE
ERR_NO_FDT_NODE

Definition at line 39 of file fb.c.

stage_t

enum stage_t

Enumerator
STAGE_START
STAGE_LCD_VDD
STAGE_BRIDGE_SETUP
STAGE_BRIDGE_INIT
STAGE_BRIDGE_RESET
STAGE_HOTPLUG
STAGE_DP_CONTROLLER
STAGE_BACKLIGHT_VDD
STAGE_BACKLIGHT_PWM
STAGE_BACKLIGHT_EN
STAGE_DONE

Definition at line 62 of file fb.c.

Function Documentation

dp_controller_init()

int dp_controller_init

(

struct s5p_dp_device *

dp_device

)

Definition at line 475 of file fb.c.

References base, s5p_dp_device::base, BIOS_ERR, clock_init_dp_clock(), ENHANCED, link_train::lane_count, video_info::lane_count, link_train::link_rate, video_info::link_rate, s5p_dp_device::link_train, power_enable_dp_phy(), printk, s5p_dp_config_video(), s5p_dp_enable_rx_to_enhanced_mode(), s5p_dp_enable_scramble(), s5p_dp_hw_link_training(), s5p_dp_init_dp(), s5p_dp_init_video(), setbits32, udelay(), s5p_dp_device::video_info, and write32().

Referenced by mainboard_init().

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fb_init()

void fb_init	(	unsigned long int	fb_size,
		void *	lcdbase,
		struct exynos5_fimd_panel *	pd
	)

Definition at line 98 of file fb.c.

References ALIGN, BPPMODE_F_OFFSET, BPPMODE_F_RGB_16BIT_565, CHANNEL0_EN, exynos5_fimd_panel::clkval_f, CLKVAL_F_OFFSET, exynos5_fimd::dpclkcon, ENVID_F_ON, ENVID_ON, ENWIN_F_ENABLE, exynos_disp_ctrl, exynos_fimd, exynos5_fimd_panel::fixvclk, H_BACK_PORCH_OFFSET, H_FRONT_PORCH_OFFSET, HALF_WORD_SWAP_EN, HOZVAL_OFFSET, exynos5_fimd_panel::hsync, HSYNC_PULSE_WIDTH_OFFSET, exynos5_fimd_panel::ivclk, exynos5_fimd_panel::left_margin, LINEVAL_OFFSET, exynos5_fimd_panel::lower_margin, OSD_RIGHTBOTX_F_OFFSET, OSD_RIGHTBOTY_F_OFFSET, exynos5_fimd_panel::right_margin, setbits32, exynos5_fimd::shadowcon, exynos5_fimd_panel::upper_margin, V_BACK_PORCH_OFFSET, V_FRONT_PORCH_OFFSET, val, exynos5_fimd::vidcon0, exynos5_disp_ctrl::vidcon1, exynos5_fimd::vidosd0b, exynos5_fimd::vidosd0c, exynos5_disp_ctrl::vidtcon0, exynos5_disp_ctrl::vidtcon1, exynos5_disp_ctrl::vidtcon2, exynos5_fimd::vidw00add0b0, exynos5_fimd::vidw00add1b0, exynos5_fimd::vidw00add2, exynos5_fimd_panel::vsync, VSYNC_PULSE_WIDTH_OFFSET, exynos5_fimd::wincon0, write32(), exynos5_fimd_panel::xres, and exynos5_fimd_panel::yres.

Referenced by lcd_ctrl_init().

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fimd_bypass()

static void fimd_bypass ( void  )

static

Definition at line 86 of file fb.c.

References exynos5_sysreg::disp1blk_cfg, exynos_sysreg, FIMDBYPASS_DISP1, and setbits32.

Referenced by lcd_ctrl_init().

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lcd_ctrl_init()

int lcd_ctrl_init	(	unsigned long int	fb_size,
		struct exynos5_fimd_panel *	panel_data,
		void *	lcdbase
	)

Init the LCD controller.

Parameters

panel_data
lcdbase	Base address of LCD frame buffer

Returns

0 if ok, -ve error code on error

Definition at line 535 of file fb.c.

References fb_init(), and fimd_bypass().

Referenced by exynos_displayport_init().

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s5p_dp_config_video()

static int s5p_dp_config_video ( struct s5p_dp_device *  dp, struct video_info *  video_info  )

static

Definition at line 150 of file fb.c.

References base, s5p_dp_device::base, BIOS_DEBUG, BIOS_ERR, CALCULATED_M, clrbits32, video_info::color_depth, video_info::color_space, video_info::dynamic_range, ERR_PLL_NOT_UNLOCKED, ERR_VIDEO_CLOCK_BAD, ERR_VIDEO_STREAM_BAD, FORMAT_SEL, HDCP_VIDEO_MUTE, PLL_UNLOCKED, printk, s5p_dp_config_video_slave_mode(), s5p_dp_enable_video_master(), s5p_dp_get_pll_lock_status(), s5p_dp_is_slave_video_stream_clock_on(), s5p_dp_is_video_stream_on(), s5p_dp_set_video_color_format(), s5p_dp_set_video_cr_mn(), setbits32, stopwatch_duration_usecs(), stopwatch_expired(), stopwatch_init_msecs_expire(), STREAM_ON_TIMEOUT, VIDEO_EN, and video_info::ycbcr_coeff.

Referenced by dp_controller_init().

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s5p_dp_enable_rx_to_enhanced_mode()

static int s5p_dp_enable_rx_to_enhanced_mode ( struct s5p_dp_device *  dp )

static

Definition at line 210 of file fb.c.

References BIOS_DEBUG, DPCD_ADDR_LANE_COUNT_SET, DPCD_ENHANCED_FRAME_EN, DPCD_LANE_COUNT_SET_MASK, ERR_DPCD_READ_ERROR1, ERR_DPCD_WRITE_ERROR1, printk, s5p_dp_read_byte_from_dpcd(), and s5p_dp_write_byte_to_dpcd().

Referenced by dp_controller_init().

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s5p_dp_enable_scramble()

static int s5p_dp_enable_scramble ( struct s5p_dp_device *  dp )

static

Definition at line 233 of file fb.c.

References base, s5p_dp_device::base, BIOS_DEBUG, clrbits32, DPCD_ADDR_TRAINING_PATTERN_SET, DPCD_SCRAMBLING_DISABLED, ERR_DPCD_READ_ERROR2, ERR_DPCD_WRITE_ERROR2, printk, s5p_dp_read_byte_from_dpcd(), s5p_dp_write_byte_to_dpcd(), and SCRAMBLING_DISABLE.

Referenced by dp_controller_init().

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s5p_dp_get_max_rx_bandwidth()

static void s5p_dp_get_max_rx_bandwidth ( struct s5p_dp_device *  dp, u8 *  bandwidth  )

static

Definition at line 328 of file fb.c.

References DPCD_ADDR_MAX_LINK_RATE, and s5p_dp_read_byte_from_dpcd().

Referenced by s5p_dp_hw_link_training().

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s5p_dp_get_max_rx_lane_count()

static void s5p_dp_get_max_rx_lane_count ( struct s5p_dp_device *  dp, u8 *  lane_count  )

static

Definition at line 346 of file fb.c.

References DPCD_ADDR_MAX_LANE_COUNT, DPCD_MAX_LANE_COUNT_MASK, and s5p_dp_read_byte_from_dpcd().

Referenced by s5p_dp_hw_link_training().

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s5p_dp_hw_link_training()

static int s5p_dp_hw_link_training ( struct s5p_dp_device *  dp, unsigned int  max_lane, unsigned int  max_rate  )

static

Definition at line 366 of file fb.c.

References base, s5p_dp_device::base, BIOS_DEBUG, BIOS_ERR, BIOS_SPEW, clrbits32, DPCD_ADDR_SINK_POWER_STATE, DPCD_SET_POWER_STATE_D0, ERR_LINK_RATE_ABNORMAL, ERR_LINK_TRAINING_FAILURE, ERR_MAX_LANE_COUNT_ABNORMAL, ERR_PRE_EMPHASIS_LEVELS, HW_TRAINING_EN, link_train::lane_count, link_train::link_rate, LINK_RATE_1_62GBPS, LINK_RATE_2_70GBPS, s5p_dp_device::link_train, MACRO_RST, PLL_LOCK_TIMEOUT, PLL_LOCKED, PLL_UNLOCKED, PRE_EMPHASIS_LEVEL_0, printk, read32(), s5p_dp_get_max_rx_bandwidth(), s5p_dp_get_max_rx_lane_count(), s5p_dp_get_pll_lock_status(), s5p_dp_set_lane_lane_pre_emphasis(), s5p_dp_wait_hw_link_training_done(), s5p_dp_write_byte_to_dpcd(), setbits32, stopwatch_expired(), stopwatch_init_msecs_expire(), udelay(), VIDEO_EN, and write32().

Referenced by dp_controller_init().

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s5p_dp_init_dp()

static int s5p_dp_init_dp ( struct s5p_dp_device *  dp )

static

Definition at line 259 of file fb.c.

References base, s5p_dp_device::base, BIOS_DEBUG, clrbits32, DP_INIT_TRIES, printk, s5p_dp_init_analog_func(), s5p_dp_init_aux(), s5p_dp_reset(), SW_FUNC_EN_N, and udelay().

Referenced by dp_controller_init().

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s5p_dp_set_lane_lane_pre_emphasis()

static int s5p_dp_set_lane_lane_pre_emphasis ( struct s5p_dp_device *  dp, int  pre_emphasis, int  lane  )

static

Definition at line 294 of file fb.c.

References base, s5p_dp_device::base, BIOS_DEBUG, ERR_INVALID_LANE, PRE_EMPHASIS_SET_SHIFT, printk, and write32().

Referenced by s5p_dp_hw_link_training().

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Variable Documentation

console_col

short console_col

Definition at line 82 of file fb.c.

console_row

short console_row

Definition at line 83 of file fb.c.

lcd_color_bg

int lcd_color_bg

Definition at line 78 of file fb.c.

lcd_color_fg

int lcd_color_fg

Definition at line 77 of file fb.c.

lcd_console_address

void* lcd_console_address

Definition at line 80 of file fb.c.

lcd_line_length

int lcd_line_length

Definition at line 76 of file fb.c.