dc.c File Reference

#include <console/console.h>
#include <device/mmio.h>
#include <stdint.h>
#include <device/device.h>
#include <soc/nvidia/tegra/dc.h>
#include <soc/display.h>
#include <framebuffer_info.h>
#include "chip.h"

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Functions
unsigned long	READL (void *p)
void	WRITEL (unsigned long value, void *p)
static int	tegra_calc_refresh (const struct soc_nvidia_tegra210_config *config)
static void	print_mode (const struct soc_nvidia_tegra210_config *config)
int	update_display_mode (struct display_controller *disp_ctrl, struct soc_nvidia_tegra210_config *config)
void	update_display_shift_clock_divider (struct display_controller *disp_ctrl, u32 shift_clock_div)
void	update_window (const struct soc_nvidia_tegra210_config *config)
int	tegra_dc_init (struct display_controller *disp_ctrl)
void	pass_mode_info_to_payload (struct soc_nvidia_tegra210_config *config)

Variables
int	dump = 0

Function Documentation

pass_mode_info_to_payload()

void pass_mode_info_to_payload

(

struct soc_nvidia_tegra210_config *

config

)

Definition at line 212 of file dc.c.

References ALIGN_UP, config, DIV_ROUND_UP, and fb_add_framebuffer_info().

Referenced by dp_display_startup(), and dsi_display_startup().

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print_mode()

static void print_mode ( const struct soc_nvidia_tegra210_config *  config )

static

Definition at line 54 of file dc.c.

References BIOS_ERR, config, printk, refresh, and tegra_calc_refresh().

Referenced by update_display_mode().

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READL()

unsigned long READL

(

void *

p

)

Definition at line 14 of file dc.c.

References BIOS_SPEW, dump, printk, read32(), and value.

Referenced by tegra_dc_detach(), tegra_dc_poll_register(), tegra_dc_sor_attach(), tegra_dc_sor_disable_win_short_raster(), tegra_dc_sor_enable_dc(), tegra_dc_sor_enable_sor(), tegra_dc_sor_io_set_dpd(), tegra_dc_sor_restore_win_and_raster(), tegra_dpaux_readl(), and tegra_sor_readl().

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tegra_calc_refresh()

static int tegra_calc_refresh ( const struct soc_nvidia_tegra210_config *  config )

static

Definition at line 39 of file dc.c.

References config, htotal, refresh, and vtotal.

Referenced by print_mode().

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tegra_dc_init()

int tegra_dc_init

(

struct display_controller *

disp_ctrl

)

Definition at line 173 of file dc.c.

References dc_winbuf_reg::addr_h_offset, dc_winbuf_reg::addr_v_offset, dc_win_reg::blend_alpha_1bit, dc_win_reg::blend_layer_ctrl, dc_win_reg::blend_match_select, dc_win_reg::blend_nomatch_select, dc_win_reg::buffer_ctrl, dc_win_reg::byte_swap, display_controller::cmd, display_controller::com, dc_com_reg::crc_checksum, dc_win_reg::dda_increment, display_controller::disp, dc_disp_reg::disp_signal_opt0, dc_cmd_reg::disp_win_header, dc_win_reg::dv_ctrl, dc_win_reg::h_initial_dda, dc_cmd_reg::int_mask, dc_com_reg::pin_output_enb, dc_win_reg::pos, READ_MUX_ASSEMBLY, dc_winbuf_reg::start_addr_hi, dc_cmd_reg::state_access, dc_win_reg::v_initial_dda, display_controller::win, dc_win_reg::win_opt, display_controller::winbuf, WINDOW_A_SELECT, WRITE_MUX_ASSEMBLY, and WRITEL().

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update_display_mode()

int update_display_mode	(	struct display_controller *	disp_ctrl,
		struct soc_nvidia_tegra210_config *	config
	)

Definition at line 66 of file dc.c.

References dc_disp_reg::back_porch, BIOS_ERR, config, display_controller::disp, dc_disp_reg::disp_active, dc_disp_reg::disp_color_ctrl, dc_disp_reg::disp_timing_opt, dc_disp_reg::disp_win_opt, dc_disp_reg::front_porch, print_mode(), printk, dc_disp_reg::ref_to_sync, SHIFT_CLK_DIVIDER, dc_disp_reg::sync_width, update_display_shift_clock_divider(), and WRITEL().

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update_display_shift_clock_divider()

void update_display_shift_clock_divider	(	struct display_controller *	disp_ctrl,
		u32	shift_clock_div
	)

Definition at line 113 of file dc.c.

References BIOS_DEBUG, display_controller::disp, dc_disp_reg::disp_clk_ctrl, PIXEL_CLK_DIVIDER_PCD1, PIXEL_CLK_DIVIDER_SHIFT, printk, SHIFT_CLK_DIVIDER_SHIFT, and WRITEL().

Referenced by tegra_output_dsi_setup_clock(), and update_display_mode().

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update_window()

void update_window

(

const struct soc_nvidia_tegra210_config *

config

)

Definition at line 130 of file dc.c.

References ALIGN_UP, dc_disp_reg::blend_background_color, dc_win_reg::buffer_addr_mode, display_controller::cmd, COLOR_BLACK, dc_win_reg::color_depth, config, DDA_INC, dc_win_reg::dda_increment, display_controller::disp, dc_cmd_reg::disp_cmd, DISP_CTRL_MODE_C_DISPLAY, dc_cmd_reg::disp_pow_ctrl, dc_cmd_reg::disp_win_header, GENERAL_ACT_REQ, GENERAL_UPDATE, dc_win_reg::line_stride, PM0_ENABLE, PM1_ENABLE, dc_win_reg::prescaled_size, PW0_ENABLE, PW1_ENABLE, PW2_ENABLE, PW3_ENABLE, PW4_ENABLE, dc_win_reg::size, dc_cmd_reg::state_access, dc_cmd_reg::state_ctrl, val, display_controller::win, WIN_A_ACT_REQ, WIN_A_UPDATE, WINDOW_A_SELECT, WRITE_MUX_ACTIVE, and WRITEL().

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WRITEL()

void WRITEL	(	unsigned long	value,
		void *	p
	)

Definition at line 31 of file dc.c.

References BIOS_SPEW, dump, printk, value, and write32().

Referenced by dp_display_startup(), tegra_dc_detach(), tegra_dc_init(), tegra_dc_sor_attach(), tegra_dc_sor_disable_win_short_raster(), tegra_dc_sor_enable_dc(), tegra_dc_sor_enable_sor(), tegra_dc_sor_io_set_dpd(), tegra_dc_sor_restore_win_and_raster(), tegra_dpaux_writel(), tegra_sor_writel(), update_display_mode(), update_display_shift_clock_divider(), and update_window().

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Variable Documentation

dump

int dump = 0

Definition at line 13 of file dc.c.

Referenced by READL(), and WRITEL().