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Data Structures | Macros | Enumerations | Functions
dispc.c File Reference
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include <linux/vmalloc.h>
#include <linux/export.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/jiffies.h>
#include <linux/seq_file.h>
#include <linux/delay.h>
#include <linux/workqueue.h>
#include <linux/hardirq.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <plat/cpu.h>
#include <video/omapdss.h>
#include "dss.h"
#include "dss_features.h"
#include "dispc.h"

Go to the source code of this file.

Data Structures

struct  omap_dispc_isr_data
 
struct  dispc_irq_stats
 
struct  dispc_features
 
struct  color_conv_coef
 

Macros

#define DSS_SUBSYS_NAME   "DISPC"
 
#define DISPC_SZ_REGS   SZ_4K
 
#define DISPC_IRQ_MASK_ERROR
 
#define DISPC_MAX_NR_ISRS   8
 
#define REG_GET(idx, start, end)   FLD_GET(dispc_read_reg(idx), start, end)
 
#define REG_FLD_MOD(idx, val, start, end)   dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end))
 
#define DISPC_MAX_NR_FIFOS   5
 
#define SR(reg)   dispc.ctx[DISPC_##reg / sizeof(u32)] = dispc_read_reg(DISPC_##reg)
 
#define RR(reg)   dispc_write_reg(DISPC_##reg, dispc.ctx[DISPC_##reg / sizeof(u32)])
 
#define CVAL(x, y)   (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0))
 
#define DUMPREG(r)   seq_printf(s, "%-50s %08x\n", #r, dispc_read_reg(r))
 
#define DISPC_REG(i, name)   name(i)
 
#define DUMPREG(i, r)
 
#define DISPC_REG(plane, name, i)   name(plane, i)
 
#define DUMPREG(plane, name, i)
 

Enumerations

enum  omap_burst_size { BURST_SIZE_X2 = 0, BURST_SIZE_X4 = 1, BURST_SIZE_X8 = 2 }
 
enum  omap_color_component { DISPC_COLOR_COMPONENT_RGB_Y = 1 << 0, DISPC_COLOR_COMPONENT_UV = 1 << 1 }
 
enum  mgr_reg_fields {
  DISPC_MGR_FLD_ENABLE, DISPC_MGR_FLD_STNTFT, DISPC_MGR_FLD_GO, DISPC_MGR_FLD_TFTDATALINES,
  DISPC_MGR_FLD_STALLMODE, DISPC_MGR_FLD_TCKENABLE, DISPC_MGR_FLD_TCKSELECTION, DISPC_MGR_FLD_CPR,
  DISPC_MGR_FLD_FIFOHANDCHECK, DISPC_MGR_FLD_NUM
}
 

Functions

int dispc_runtime_get (void)
 
void dispc_runtime_put (void)
 
u32 dispc_mgr_get_vsync_irq (enum omap_channel channel)
 
u32 dispc_mgr_get_framedone_irq (enum omap_channel channel)
 
u32 dispc_wb_get_framedone_irq (void)
 
bool dispc_mgr_go_busy (enum omap_channel channel)
 
void dispc_mgr_go (enum omap_channel channel)
 
bool dispc_wb_go_busy (void)
 
void dispc_wb_go (void)
 
void dispc_ovl_set_channel_out (enum omap_plane plane, enum omap_channel channel)
 
void dispc_wb_set_channel_in (enum dss_writeback_channel channel)
 
void dispc_enable_gamma_table (bool enable)
 
void dispc_ovl_set_fifo_threshold (enum omap_plane plane, u32 low, u32 high)
 
void dispc_enable_fifomerge (bool enable)
 
void dispc_ovl_compute_fifo_thresholds (enum omap_plane plane, u32 *fifo_low, u32 *fifo_high, bool use_fifomerge, bool manual_update)
 
int dispc_ovl_setup (enum omap_plane plane, const struct omap_overlay_info *oi, bool replication, const struct omap_video_timings *mgr_timings, bool mem_to_mem)
 
int dispc_wb_setup (const struct omap_dss_writeback_info *wi, bool mem_to_mem, const struct omap_video_timings *mgr_timings)
 
int dispc_ovl_enable (enum omap_plane plane, bool enable)
 
bool dispc_mgr_is_enabled (enum omap_channel channel)
 
void dispc_mgr_enable (enum omap_channel channel, bool enable)
 
void dispc_wb_enable (bool enable)
 
bool dispc_wb_is_enabled (void)
 
void dispc_lcd_enable_signal_polarity (bool act_high)
 
void dispc_lcd_enable_signal (bool enable)
 
void dispc_pck_free_enable (bool enable)
 
void dispc_mgr_enable_fifohandcheck (enum omap_channel channel, bool enable)
 
void dispc_mgr_set_lcd_type_tft (enum omap_channel channel)
 
void dispc_set_loadmode (enum omap_dss_load_mode mode)
 
void dispc_mgr_setup (enum omap_channel channel, struct omap_overlay_manager_info *info)
 
void dispc_mgr_set_tft_data_lines (enum omap_channel channel, u8 data_lines)
 
void dispc_mgr_set_io_pad_mode (enum dss_io_pad_mode mode)
 
void dispc_mgr_enable_stallmode (enum omap_channel channel, bool enable)
 
bool dispc_mgr_timings_ok (enum omap_channel channel, const struct omap_video_timings *timings)
 
void dispc_mgr_set_timings (enum omap_channel channel, struct omap_video_timings *timings)
 
unsigned long dispc_fclk_rate (void)
 
unsigned long dispc_mgr_lclk_rate (enum omap_channel channel)
 
unsigned long dispc_mgr_pclk_rate (enum omap_channel channel)
 
unsigned long dispc_core_clk_rate (void)
 
void dispc_dump_clocks (struct seq_file *s)
 
void dispc_find_clk_divs (unsigned long req_pck, unsigned long fck, struct dispc_clock_info *cinfo)
 
int dispc_calc_clock_rates (unsigned long dispc_fclk_rate, struct dispc_clock_info *cinfo)
 
void dispc_mgr_set_clock_div (enum omap_channel channel, struct dispc_clock_info *cinfo)
 
int dispc_mgr_get_clock_div (enum omap_channel channel, struct dispc_clock_info *cinfo)
 
int omap_dispc_register_isr (omap_dispc_isr_t isr, void *arg, u32 mask)
 
 EXPORT_SYMBOL (omap_dispc_register_isr)
 
int omap_dispc_unregister_isr (omap_dispc_isr_t isr, void *arg, u32 mask)
 
 EXPORT_SYMBOL (omap_dispc_unregister_isr)
 
int omap_dispc_wait_for_irq_timeout (u32 irqmask, unsigned long timeout)
 
int omap_dispc_wait_for_irq_interruptible_timeout (u32 irqmask, unsigned long timeout)
 
void dispc_enable_sidle (void)
 
void dispc_disable_sidle (void)
 
int __init dispc_init_platform_driver (void)
 
void __exit dispc_uninit_platform_driver (void)
 

Macro Definition Documentation

#define CVAL (   x,
  y 
)    (FLD_VAL(x, 26, 16) | FLD_VAL(y, 10, 0))
#define DISPC_IRQ_MASK_ERROR
Value:
(DISPC_IRQ_GFX_FIFO_UNDERFLOW | \
DISPC_IRQ_OCP_ERR | \
DISPC_IRQ_VID1_FIFO_UNDERFLOW | \
DISPC_IRQ_VID2_FIFO_UNDERFLOW | \
DISPC_IRQ_SYNC_LOST | \
DISPC_IRQ_SYNC_LOST_DIGIT)

Definition at line 51 of file dispc.c.

#define DISPC_MAX_NR_FIFOS   5

Definition at line 106 of file dispc.c.

#define DISPC_MAX_NR_ISRS   8

Definition at line 58 of file dispc.c.

#define DISPC_REG (   i,
  name 
)    name(i)
#define DISPC_REG (   plane,
  name,
  i 
)    name(plane, i)
#define DISPC_SZ_REGS   SZ_4K

Definition at line 49 of file dispc.c.

#define DSS_SUBSYS_NAME   "DISPC"

Definition at line 23 of file dispc.c.

#define DUMPREG (   r)    seq_printf(s, "%-50s %08x\n", #r, dispc_read_reg(r))
#define DUMPREG (   i,
  r 
)
Value:
seq_printf(s, "%s(%s)%*s %08x\n", #r, p_names[i], \
48 - strlen(#r) - strlen(p_names[i]), " ", \
dispc_read_reg(DISPC_REG(i, r)))
#define DUMPREG (   plane,
  name,
  i 
)
Value:
seq_printf(s, "%s_%d(%s)%*s %08x\n", #name, i, p_names[plane], \
46 - strlen(#name) - strlen(p_names[plane]), " ", \
dispc_read_reg(DISPC_REG(plane, name, i)))
#define REG_FLD_MOD (   idx,
  val,
  start,
  end 
)    dispc_write_reg(idx, FLD_MOD(dispc_read_reg(idx), val, start, end))

Definition at line 75 of file dispc.c.

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

Definition at line 72 of file dispc.c.

#define RR (   reg)    dispc_write_reg(DISPC_##reg, dispc.ctx[DISPC_##reg / sizeof(u32)])

Definition at line 274 of file dispc.c.

#define SR (   reg)    dispc.ctx[DISPC_##reg / sizeof(u32)] = dispc_read_reg(DISPC_##reg)

Definition at line 272 of file dispc.c.

Enumeration Type Documentation

enum mgr_reg_fields
Enumerator:
DISPC_MGR_FLD_ENABLE 
DISPC_MGR_FLD_STNTFT 
DISPC_MGR_FLD_GO 
DISPC_MGR_FLD_TFTDATALINES 
DISPC_MGR_FLD_STALLMODE 
DISPC_MGR_FLD_TCKENABLE 
DISPC_MGR_FLD_TCKSELECTION 
DISPC_MGR_FLD_CPR 
DISPC_MGR_FLD_FIFOHANDCHECK 
DISPC_MGR_FLD_NUM 

Definition at line 150 of file dispc.c.

enum omap_burst_size
Enumerator:
BURST_SIZE_X2 
BURST_SIZE_X4 
BURST_SIZE_X8 

Definition at line 66 of file dispc.c.

enum omap_color_component
Enumerator:
DISPC_COLOR_COMPONENT_RGB_Y 
DISPC_COLOR_COMPONENT_UV 

Definition at line 138 of file dispc.c.

Function Documentation

int dispc_calc_clock_rates ( unsigned long  dispc_fclk_rate,
struct dispc_clock_info *  cinfo 
)

Definition at line 3521 of file dispc.c.

unsigned long dispc_core_clk_rate ( void  )

Definition at line 3162 of file dispc.c.

void dispc_disable_sidle ( void  )

Definition at line 3963 of file dispc.c.

void dispc_dump_clocks ( struct seq_file *  s)

Definition at line 3213 of file dispc.c.

void dispc_enable_fifomerge ( bool  enable)

Definition at line 1220 of file dispc.c.

void dispc_enable_gamma_table ( bool  enable)

Definition at line 1056 of file dispc.c.

void dispc_enable_sidle ( void  )

Definition at line 3958 of file dispc.c.

unsigned long dispc_fclk_rate ( void  )

Definition at line 3074 of file dispc.c.

void dispc_find_clk_divs ( unsigned long  req_pck,
unsigned long  fck,
struct dispc_clock_info *  cinfo 
)

Definition at line 3473 of file dispc.c.

int __init dispc_init_platform_driver ( void  )

Definition at line 4201 of file dispc.c.

void dispc_lcd_enable_signal ( bool  enable)

Definition at line 2780 of file dispc.c.

void dispc_lcd_enable_signal_polarity ( bool  act_high)

Definition at line 2772 of file dispc.c.

void dispc_mgr_enable ( enum omap_channel  channel,
bool  enable 
)

Definition at line 2721 of file dispc.c.

void dispc_mgr_enable_fifohandcheck ( enum omap_channel  channel,
bool  enable 
)

Definition at line 2796 of file dispc.c.

void dispc_mgr_enable_stallmode ( enum omap_channel  channel,
bool  enable 
)

Definition at line 2912 of file dispc.c.

int dispc_mgr_get_clock_div ( enum omap_channel  channel,
struct dispc_clock_info *  cinfo 
)

Definition at line 3544 of file dispc.c.

u32 dispc_mgr_get_framedone_irq ( enum omap_channel  channel)

Definition at line 541 of file dispc.c.

u32 dispc_mgr_get_vsync_irq ( enum omap_channel  channel)

Definition at line 536 of file dispc.c.

void dispc_mgr_go ( enum omap_channel  channel)

Definition at line 556 of file dispc.c.

bool dispc_mgr_go_busy ( enum omap_channel  channel)

Definition at line 551 of file dispc.c.

bool dispc_mgr_is_enabled ( enum omap_channel  channel)

Definition at line 2716 of file dispc.c.

unsigned long dispc_mgr_lclk_rate ( enum omap_channel  channel)

Definition at line 3099 of file dispc.c.

unsigned long dispc_mgr_pclk_rate ( enum omap_channel  channel)

Definition at line 3130 of file dispc.c.

void dispc_mgr_set_clock_div ( enum omap_channel  channel,
struct dispc_clock_info *  cinfo 
)

Definition at line 3535 of file dispc.c.

void dispc_mgr_set_io_pad_mode ( enum dss_io_pad_mode  mode)

Definition at line 2883 of file dispc.c.

void dispc_mgr_set_lcd_type_tft ( enum omap_channel  channel)

Definition at line 2802 of file dispc.c.

void dispc_mgr_set_tft_data_lines ( enum omap_channel  channel,
u8  data_lines 
)

Definition at line 2858 of file dispc.c.

void dispc_mgr_set_timings ( enum omap_channel  channel,
struct omap_video_timings *  timings 
)

Definition at line 3014 of file dispc.c.

void dispc_mgr_setup ( enum omap_channel  channel,
struct omap_overlay_manager_info *  info 
)

Definition at line 2844 of file dispc.c.

bool dispc_mgr_timings_ok ( enum omap_channel  channel,
const struct omap_video_timings *  timings 
)

Definition at line 2936 of file dispc.c.

void dispc_ovl_compute_fifo_thresholds ( enum omap_plane  plane,
u32 *  fifo_low,
u32 *  fifo_high,
bool  use_fifomerge,
bool  manual_update 
)

Definition at line 1231 of file dispc.c.

int dispc_ovl_enable ( enum omap_plane  plane,
bool  enable 
)

Definition at line 2579 of file dispc.c.

void dispc_ovl_set_channel_out ( enum omap_plane  plane,
enum omap_channel  channel 
)

Definition at line 924 of file dispc.c.

void dispc_ovl_set_fifo_threshold ( enum omap_plane  plane,
u32  low,
u32  high 
)

Definition at line 1191 of file dispc.c.

int dispc_ovl_setup ( enum omap_plane  plane,
const struct omap_overlay_info *  oi,
bool  replication,
const struct omap_video_timings *  mgr_timings,
bool  mem_to_mem 
)

Definition at line 2503 of file dispc.c.

void dispc_pck_free_enable ( bool  enable)

Definition at line 2788 of file dispc.c.

int dispc_runtime_get ( void  )

Definition at line 515 of file dispc.c.

void dispc_runtime_put ( void  )

Definition at line 526 of file dispc.c.

void dispc_set_loadmode ( enum omap_dss_load_mode  mode)

Definition at line 2807 of file dispc.c.

void __exit dispc_uninit_platform_driver ( void  )

Definition at line 4206 of file dispc.c.

void dispc_wb_enable ( bool  enable)

Definition at line 2731 of file dispc.c.

u32 dispc_wb_get_framedone_irq ( void  )

Definition at line 546 of file dispc.c.

void dispc_wb_go ( void  )

Definition at line 583 of file dispc.c.

bool dispc_wb_go_busy ( void  )

Definition at line 578 of file dispc.c.

bool dispc_wb_is_enabled ( void  )

Definition at line 2765 of file dispc.c.

void dispc_wb_set_channel_in ( enum dss_writeback_channel  channel)

Definition at line 1022 of file dispc.c.

int dispc_wb_setup ( const struct omap_dss_writeback_info *  wi,
bool  mem_to_mem,
const struct omap_video_timings *  mgr_timings 
)

Definition at line 2528 of file dispc.c.

EXPORT_SYMBOL ( omap_dispc_register_isr  )
EXPORT_SYMBOL ( omap_dispc_unregister_isr  )
int omap_dispc_register_isr ( omap_dispc_isr_t  isr,
void *  arg,
u32  mask 
)

Definition at line 3586 of file dispc.c.

int omap_dispc_unregister_isr ( omap_dispc_isr_t  isr,
void *  arg,
u32  mask 
)

Definition at line 3640 of file dispc.c.

int omap_dispc_wait_for_irq_interruptible_timeout ( u32  irqmask,
unsigned long  timeout 
)

Definition at line 3902 of file dispc.c.

int omap_dispc_wait_for_irq_timeout ( u32  irqmask,
unsigned long  timeout 
)

Definition at line 3873 of file dispc.c.

Variable Documentation

void __iomem* base

Definition at line 110 of file dispc.c.

u32 ctx[DISPC_SZ_REGS/sizeof(u32)]

Definition at line 128 of file dispc.c.

int ctx_loss_cnt

Definition at line 112 of file dispc.c.

bool ctx_valid

Definition at line 127 of file dispc.c.

struct clk* dss_clk

Definition at line 115 of file dispc.c.

u32 error_irqs

Definition at line 124 of file dispc.c.

struct work_struct error_work

Definition at line 125 of file dispc.c.

struct dispc_features* feat

Definition at line 130 of file dispc.c.

int fifo_assignment[DISPC_MAX_NR_FIFOS]

Definition at line 119 of file dispc.c.

u32 fifo_size[DISPC_MAX_NR_FIFOS]

Definition at line 117 of file dispc.c.

u32 framedone_irq

Definition at line 167 of file dispc.c.

int irq

Definition at line 114 of file dispc.c.

u32 irq_error_mask

Definition at line 122 of file dispc.c.

spinlock_t irq_lock

Definition at line 121 of file dispc.c.

const char* name

Definition at line 165 of file dispc.c.

struct platform_device* pdev

Definition at line 109 of file dispc.c.

struct reg_field reg_desc[DISPC_MGR_FLD_NUM]

Definition at line 169 of file dispc.c.

struct omap_dispc_isr_data registered_isr[DISPC_MAX_NR_ISRS]

Definition at line 123 of file dispc.c.

u32 sync_lost_irq

Definition at line 168 of file dispc.c.

u32 vsync_irq

Definition at line 166 of file dispc.c.

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