dss.c File Reference

#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/export.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/gfp.h>
#include <video/omapdss.h>
#include <plat/cpu.h>
#include "dss.h"
#include "dss_features.h"

Go to the source code of this file.

Data Structures
struct	dss_reg
struct	dss_features

Macros
#define	DSS_SUBSYS_NAME   "DSS"
#define	DSS_SZ_REGS   SZ_512
#define	DSS_REG(idx)   ((const struct dss_reg) { idx })
#define	DSS_REVISION   DSS_REG(0x0000)
#define	DSS_SYSCONFIG   DSS_REG(0x0010)
#define	DSS_SYSSTATUS   DSS_REG(0x0014)
#define	DSS_CONTROL   DSS_REG(0x0040)
#define	DSS_SDI_CONTROL   DSS_REG(0x0044)
#define	DSS_PLL_CONTROL   DSS_REG(0x0048)
#define	DSS_SDI_STATUS   DSS_REG(0x005C)
#define	REG_GET(idx, start, end)   FLD_GET(dss_read_reg(idx), start, end)
#define	REG_FLD_MOD(idx, val, start, end)   dss_write_reg(idx, FLD_MOD(dss_read_reg(idx), val, start, end))
#define	SR(reg)   dss.ctx[(DSS_##reg).idx / sizeof(u32)] = dss_read_reg(DSS_##reg)
#define	RR(reg)   dss_write_reg(DSS_##reg, dss.ctx[(DSS_##reg).idx / sizeof(u32)])
#define	DUMPREG(r)   seq_printf(s, "%-35s %08x\n", #r, dss_read_reg(r))

Functions
void	dss_sdi_init (int datapairs)
int	dss_sdi_enable (void)
void	dss_sdi_disable (void)
const char *	dss_get_generic_clk_source_name (enum omap_dss_clk_source clk_src)
void	dss_dump_clocks (struct seq_file *s)
void	dss_select_dispc_clk_source (enum omap_dss_clk_source clk_src)
void	dss_select_dsi_clk_source (int dsi_module, enum omap_dss_clk_source clk_src)
void	dss_select_lcd_clk_source (enum omap_channel channel, enum omap_dss_clk_source clk_src)
enum omap_dss_clk_source	dss_get_dispc_clk_source (void)
enum omap_dss_clk_source	dss_get_dsi_clk_source (int dsi_module)
enum omap_dss_clk_source	dss_get_lcd_clk_source (enum omap_channel channel)
int	dss_set_clock_div (struct dss_clock_info *cinfo)
unsigned long	dss_get_dpll4_rate (void)
int	dss_calc_clock_div (unsigned long req_pck, struct dss_clock_info *dss_cinfo, struct dispc_clock_info *dispc_cinfo)
void	dss_set_venc_output (enum omap_dss_venc_type type)
void	dss_set_dac_pwrdn_bgz (bool enable)
void	dss_select_hdmi_venc_clk_source (enum dss_hdmi_venc_clk_source_select src)
enum dss_hdmi_venc_clk_source_select	dss_get_hdmi_venc_clk_source (void)
int	dss_dpi_select_source (enum omap_channel channel)
int __init	dss_init_platform_driver (void)
void	dss_uninit_platform_driver (void)

Macro Definition Documentation

#define DSS_CONTROL   DSS_REG(0x0040)

Definition at line 54 of file dss.c.

#define DSS_PLL_CONTROL   DSS_REG(0x0048)

Definition at line 56 of file dss.c.

#define DSS_REG

(

idx

)

((const struct dss_reg) { idx })

Definition at line 49 of file dss.c.

#define DSS_REVISION   DSS_REG(0x0000)

Definition at line 51 of file dss.c.

#define DSS_SDI_CONTROL   DSS_REG(0x0044)

Definition at line 55 of file dss.c.

#define DSS_SDI_STATUS   DSS_REG(0x005C)

Definition at line 57 of file dss.c.

#define DSS_SUBSYS_NAME   "DSS"

Definition at line 23 of file dss.c.

#define DSS_SYSCONFIG   DSS_REG(0x0010)

Definition at line 52 of file dss.c.

#define DSS_SYSSTATUS   DSS_REG(0x0014)

Definition at line 53 of file dss.c.

#define DSS_SZ_REGS   SZ_512

Definition at line 43 of file dss.c.

#define DUMPREG

(

r

)

seq_printf(s, "%-35s %08x\n", #r, dss_read_reg(r))

#define REG_FLD_MOD	(		idx,
			val,
			start,
			end
	)		dss_write_reg(idx, FLD_MOD(dss_read_reg(idx), val, start, end))

Definition at line 62 of file dss.c.

#define REG_GET	(		idx,
			start,
			end
	)		FLD_GET(dss_read_reg(idx), start, end)

Definition at line 59 of file dss.c.

#define RR

(

reg

)

dss_write_reg(DSS_##reg, dss.ctx[(DSS_##reg).idx / sizeof(u32)])

Definition at line 115 of file dss.c.

#define SR

(

reg

)

dss.ctx[(DSS_##reg).idx / sizeof(u32)] = dss_read_reg(DSS_##reg)

Definition at line 113 of file dss.c.

Function Documentation

int dss_calc_clock_div	(	unsigned long	req_pck,
		struct dss_clock_info *	dss_cinfo,
		struct dispc_clock_info *	dispc_cinfo
	)

Definition at line 464 of file dss.c.

int dss_dpi_select_source

(

enum omap_channel

channel

)

Definition at line 681 of file dss.c.

void dss_dump_clocks

(

struct seq_file *

s

)

Definition at line 248 of file dss.c.

enum omap_dss_clk_source dss_get_dispc_clk_source

(

void

)

Definition at line 411 of file dss.c.

unsigned long dss_get_dpll4_rate

(

void

)

Definition at line 456 of file dss.c.

enum omap_dss_clk_source dss_get_dsi_clk_source

(

int

dsi_module

)

Definition at line 416 of file dss.c.

const char* dss_get_generic_clk_source_name

(

enum omap_dss_clk_source

clk_src

)

Definition at line 243 of file dss.c.

enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source

(

void

)

Definition at line 613 of file dss.c.

enum omap_dss_clk_source dss_get_lcd_clk_source

(

enum omap_channel

channel

)

Definition at line 421 of file dss.c.

int __init dss_init_platform_driver

(

void

)

Definition at line 943 of file dss.c.

void dss_sdi_disable

(

void

)

Definition at line 233 of file dss.c.

int dss_sdi_enable

(

void

)

Definition at line 175 of file dss.c.

void dss_sdi_init

(

int

datapairs

)

Definition at line 156 of file dss.c.

void dss_select_dispc_clk_source

(

enum omap_dss_clk_source

clk_src

)

Definition at line 306 of file dss.c.

void dss_select_dsi_clk_source	(	int	dsi_module,
		enum omap_dss_clk_source	clk_src
	)

Definition at line 338 of file dss.c.

void dss_select_hdmi_venc_clk_source

(

enum dss_hdmi_venc_clk_source_select

src

)

Definition at line 599 of file dss.c.

void dss_select_lcd_clk_source	(	enum omap_channel	channel,
		enum omap_dss_clk_source	clk_src
	)

Definition at line 371 of file dss.c.

int dss_set_clock_div

(

struct dss_clock_info *

cinfo

)

Definition at line 434 of file dss.c.

void dss_set_dac_pwrdn_bgz

(

bool

enable

)

Definition at line 594 of file dss.c.

void dss_set_venc_output

(

enum omap_dss_venc_type

type

)

Definition at line 579 of file dss.c.

void dss_uninit_platform_driver

(

void

)

Definition at line 948 of file dss.c.

Variable Documentation

void __iomem* base

Definition at line 77 of file dss.c.

struct dispc_clock_info cache_dispc_cinfo

Definition at line 85 of file dss.c.

struct dss_clock_info cache_dss_cinfo

Definition at line 84 of file dss.c.

unsigned long cache_prate

Definition at line 83 of file dss.c.

unsigned long cache_req_pck

Definition at line 82 of file dss.c.

u32 ctx[DSS_SZ_REGS/sizeof(u32)]

Definition at line 92 of file dss.c.

bool ctx_valid

Definition at line 91 of file dss.c.

enum omap_dss_clk_source dispc_clk_source

Definition at line 88 of file dss.c.

struct clk* dpll4_m4_ck

Definition at line 79 of file dss.c.

enum omap_dss_clk_source dsi_clk_source[MAX_NUM_DSI]

Definition at line 87 of file dss.c.

struct clk* dss_clk

Definition at line 80 of file dss.c.

struct dss_features* feat

Definition at line 94 of file dss.c.

enum omap_dss_clk_source lcd_clk_source[MAX_DSS_LCD_MANAGERS]

Definition at line 89 of file dss.c.

struct platform_device* pdev

Definition at line 76 of file dss.c.