iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

staging: sm750fb: use BIT macro for PANEL_DISPLAY_CTRL single-bit fields

Browse Source 
Replace complex definition of PANEL_DISPLAY_CTRL register fields with BIT()
macro and use open-coded implementation for register manipulations.

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Rapoport 2016-02-10 18:34:08 +02:00 committed by Greg Kroah-Hartman
parent 5b621779c2
commit 6fba39cf32
5 changed files with 62 additions and 112 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/staging/sm750fb/ddk750_chip.c
View File

@ -249,17 +249,17 @@ int ddk750_initHw(initchip_param_t *pInitParam)
/* Disable Overlay, if a former application left it on */
reg = PEEK32(VIDEO_DISPLAY_CTRL);
reg = FIELD_SET(reg, DISPLAY_CTRL, PLANE, DISABLE);
reg &= ~DISPLAY_CTRL_PLANE;
POKE32(VIDEO_DISPLAY_CTRL, reg);
/* Disable video alpha, if a former application left it on */
reg = PEEK32(VIDEO_ALPHA_DISPLAY_CTRL);
reg = FIELD_SET(reg, DISPLAY_CTRL, PLANE, DISABLE);
reg &= ~DISPLAY_CTRL_PLANE;
POKE32(VIDEO_ALPHA_DISPLAY_CTRL, reg);
/* Disable alpha plane, if a former application left it on */
reg = PEEK32(ALPHA_DISPLAY_CTRL);
reg = FIELD_SET(reg, DISPLAY_CTRL, PLANE, DISABLE);
reg &= ~DISPLAY_CTRL_PLANE;
POKE32(ALPHA_DISPLAY_CTRL, reg);
/* Disable DMA Channel, if a former application left it on */

24
drivers/staging/sm750fb/ddk750_display.c
View File

@ -28,10 +28,10 @@ static void setDisplayControl(int ctrl, int disp_state)
* guarantee that the plane will also enabled or
* disabled.
*/
val = FIELD_SET(val, DISPLAY_CTRL, TIMING, ENABLE);
val |= DISPLAY_CTRL_TIMING;
POKE32(reg, val);
val = FIELD_SET(val, DISPLAY_CTRL, PLANE, ENABLE);
val |= DISPLAY_CTRL_PLANE;
/*
* Somehow the register value on the plane is not set
@ -53,10 +53,10 @@ static void setDisplayControl(int ctrl, int disp_state)
* find out if it is necessary to wait for 1 vsync
* before modifying the timing enable bit.
*/
val = FIELD_SET(val, DISPLAY_CTRL, PLANE, DISABLE);
val &= ~DISPLAY_CTRL_PLANE;
POKE32(reg, val);
val = FIELD_SET(val, DISPLAY_CTRL, TIMING, DISABLE);
val &= ~DISPLAY_CTRL_TIMING;
POKE32(reg, val);
}
}
@ -71,9 +71,7 @@ static void waitNextVerticalSync(int ctrl, int delay)
/* Do not wait when the Primary PLL is off or display control is already off.
This will prevent the software to wait forever. */
if (!(PEEK32(PANEL_PLL_CTRL) & PLL_CTRL_POWER) ||
(FIELD_GET(PEEK32(PANEL_DISPLAY_CTRL),
DISPLAY_CTRL, TIMING) ==
DISPLAY_CTRL_TIMING_DISABLE)) {
!(PEEK32(PANEL_DISPLAY_CTRL) & DISPLAY_CTRL_TIMING)) {
return;
}
@ -94,9 +92,7 @@ static void waitNextVerticalSync(int ctrl, int delay)
/* Do not wait when the Primary PLL is off or display control is already off.
This will prevent the software to wait forever. */
if (!(PEEK32(CRT_PLL_CTRL) & PLL_CTRL_POWER) ||
(FIELD_GET(PEEK32(CRT_DISPLAY_CTRL),
DISPLAY_CTRL, TIMING) ==
DISPLAY_CTRL_TIMING_DISABLE)) {
!(PEEK32(CRT_DISPLAY_CTRL) & DISPLAY_CTRL_TIMING)) {
return;
}
@ -120,22 +116,22 @@ static void swPanelPowerSequence(int disp, int delay)
/* disp should be 1 to open sequence */
reg = PEEK32(PANEL_DISPLAY_CTRL);
reg = FIELD_VALUE(reg, PANEL_DISPLAY_CTRL, FPEN, disp);
reg |= (disp ? PANEL_DISPLAY_CTRL_FPEN : 0);
POKE32(PANEL_DISPLAY_CTRL, reg);
primaryWaitVerticalSync(delay);
reg = PEEK32(PANEL_DISPLAY_CTRL);
reg = FIELD_VALUE(reg, PANEL_DISPLAY_CTRL, DATA, disp);
reg |= (disp ? PANEL_DISPLAY_CTRL_DATA : 0);
POKE32(PANEL_DISPLAY_CTRL, reg);
primaryWaitVerticalSync(delay);
reg = PEEK32(PANEL_DISPLAY_CTRL);
reg = FIELD_VALUE(reg, PANEL_DISPLAY_CTRL, VBIASEN, disp);
reg |= (disp ? PANEL_DISPLAY_CTRL_VBIASEN : 0);
POKE32(PANEL_DISPLAY_CTRL, reg);
primaryWaitVerticalSync(delay);
reg = PEEK32(PANEL_DISPLAY_CTRL);
reg = FIELD_VALUE(reg, PANEL_DISPLAY_CTRL, FPEN, disp);
reg |= (disp ? PANEL_DISPLAY_CTRL_FPEN : 0);
POKE32(PANEL_DISPLAY_CTRL, reg);
primaryWaitVerticalSync(delay);

52
drivers/staging/sm750fb/ddk750_mode.c
View File

@ -65,8 +65,7 @@ static unsigned long displayControlAdjust_SM750LE(mode_parameter_t *pModeParam,
dispControl = FIELD_SET(dispControl, CRT_DISPLAY_CTRL, RGBBIT, 24BIT);
/* Set bit 14 of display controller */
dispControl = FIELD_SET(dispControl, DISPLAY_CTRL, CLOCK_PHASE,
ACTIVE_LOW);
dispControl = DISPLAY_CTRL_CLOCK_PHASE;
POKE32(CRT_DISPLAY_CTRL, dispControl);
@ -102,22 +101,19 @@ static int programModeRegisters(mode_parameter_t *pModeParam, pll_value_t *pll)
| FIELD_VALUE(0, CRT_VERTICAL_SYNC, START, pModeParam->vertical_sync_start - 1));
tmp = FIELD_VALUE(0, DISPLAY_CTRL, VSYNC_PHASE,
pModeParam->vertical_sync_polarity) |
FIELD_VALUE(0, DISPLAY_CTRL, HSYNC_PHASE,
pModeParam->horizontal_sync_polarity) |
FIELD_SET(0, DISPLAY_CTRL, TIMING, ENABLE) |
FIELD_SET(0, DISPLAY_CTRL, PLANE, ENABLE);
tmp = DISPLAY_CTRL_TIMING | DISPLAY_CTRL_PLANE;
if (pModeParam->vertical_sync_polarity)
tmp |= DISPLAY_CTRL_VSYNC_PHASE;
if (pModeParam->horizontal_sync_polarity)
tmp |= DISPLAY_CTRL_HSYNC_PHASE;
if (getChipType() == SM750LE) {
displayControlAdjust_SM750LE(pModeParam, tmp);
} else {
reg = PEEK32(CRT_DISPLAY_CTRL)
& FIELD_CLEAR(DISPLAY_CTRL, VSYNC_PHASE)
& FIELD_CLEAR(DISPLAY_CTRL, HSYNC_PHASE)
& FIELD_CLEAR(DISPLAY_CTRL, TIMING)
& FIELD_CLEAR(DISPLAY_CTRL, PLANE);
reg = PEEK32(CRT_DISPLAY_CTRL) &
~(DISPLAY_CTRL_VSYNC_PHASE |
DISPLAY_CTRL_HSYNC_PHASE |
DISPLAY_CTRL_TIMING | DISPLAY_CTRL_PLANE);
POKE32(CRT_DISPLAY_CTRL, tmp | reg);
}
@ -143,25 +139,21 @@ static int programModeRegisters(mode_parameter_t *pModeParam, pll_value_t *pll)
FIELD_VALUE(0, PANEL_VERTICAL_SYNC, HEIGHT, pModeParam->vertical_sync_height)
| FIELD_VALUE(0, PANEL_VERTICAL_SYNC, START, pModeParam->vertical_sync_start - 1));
tmp = FIELD_VALUE(0, DISPLAY_CTRL, VSYNC_PHASE,
pModeParam->vertical_sync_polarity) |
FIELD_VALUE(0, DISPLAY_CTRL, HSYNC_PHASE,
pModeParam->horizontal_sync_polarity) |
FIELD_VALUE(0, DISPLAY_CTRL, CLOCK_PHASE,
pModeParam->clock_phase_polarity) |
FIELD_SET(0, DISPLAY_CTRL, TIMING, ENABLE) |
FIELD_SET(0, DISPLAY_CTRL, PLANE, ENABLE);
tmp = DISPLAY_CTRL_TIMING | DISPLAY_CTRL_PLANE;
if (pModeParam->vertical_sync_polarity)
tmp |= DISPLAY_CTRL_VSYNC_PHASE;
if (pModeParam->horizontal_sync_polarity)
tmp |= DISPLAY_CTRL_HSYNC_PHASE;
if (pModeParam->clock_phase_polarity)
tmp |= DISPLAY_CTRL_CLOCK_PHASE;
reserved = PANEL_DISPLAY_CTRL_RESERVED_MASK |
FIELD_SET(0, PANEL_DISPLAY_CTRL, VSYNC, ACTIVE_LOW);
reg = (PEEK32(PANEL_DISPLAY_CTRL) & ~reserved)
& FIELD_CLEAR(DISPLAY_CTRL, CLOCK_PHASE)
& FIELD_CLEAR(DISPLAY_CTRL, VSYNC_PHASE)
& FIELD_CLEAR(DISPLAY_CTRL, HSYNC_PHASE)
& FIELD_CLEAR(DISPLAY_CTRL, TIMING)
& FIELD_CLEAR(DISPLAY_CTRL, PLANE);
PANEL_DISPLAY_CTRL_VSYNC;
reg = (PEEK32(PANEL_DISPLAY_CTRL) & ~reserved) &
~(DISPLAY_CTRL_CLOCK_PHASE | DISPLAY_CTRL_VSYNC_PHASE |
DISPLAY_CTRL_HSYNC_PHASE | DISPLAY_CTRL_TIMING |
DISPLAY_CTRL_PLANE);
/* May a hardware bug or just my test chip (not confirmed).
* PANEL_DISPLAY_CTRL register seems requiring few writes

77
drivers/staging/sm750fb/ddk750_reg.h
View File

@ -787,75 +787,36 @@
#define PANEL_DISPLAY_CTRL_SELECT_PANEL 0
#define PANEL_DISPLAY_CTRL_SELECT_VGA 1
#define PANEL_DISPLAY_CTRL_SELECT_CRT 2
#define PANEL_DISPLAY_CTRL_FPEN 27:27
#define PANEL_DISPLAY_CTRL_FPEN_LOW 0
#define PANEL_DISPLAY_CTRL_FPEN_HIGH 1
#define PANEL_DISPLAY_CTRL_VBIASEN 26:26
#define PANEL_DISPLAY_CTRL_VBIASEN_LOW 0
#define PANEL_DISPLAY_CTRL_VBIASEN_HIGH 1
#define PANEL_DISPLAY_CTRL_DATA 25:25
#define PANEL_DISPLAY_CTRL_DATA_DISABLE 0
#define PANEL_DISPLAY_CTRL_DATA_ENABLE 1
#define PANEL_DISPLAY_CTRL_FPVDDEN 24:24
#define PANEL_DISPLAY_CTRL_FPVDDEN_LOW 0
#define PANEL_DISPLAY_CTRL_FPVDDEN_HIGH 1
#define PANEL_DISPLAY_CTRL_FPEN BIT(27)
#define PANEL_DISPLAY_CTRL_VBIASEN BIT(26)
#define PANEL_DISPLAY_CTRL_DATA BIT(25)
#define PANEL_DISPLAY_CTRL_FPVDDEN BIT(24)
#define PANEL_DISPLAY_CTRL_TFT_DISP 19:18
#define PANEL_DISPLAY_CTRL_TFT_DISP_24 0
#define PANEL_DISPLAY_CTRL_TFT_DISP_36 1
#define PANEL_DISPLAY_CTRL_TFT_DISP_18 2
#define PANEL_DISPLAY_CTRL_DUAL_DISPLAY 19:19
#define PANEL_DISPLAY_CTRL_DUAL_DISPLAY_DISABLE 0
#define PANEL_DISPLAY_CTRL_DUAL_DISPLAY_ENABLE 1
#define PANEL_DISPLAY_CTRL_DOUBLE_PIXEL 18:18
#define PANEL_DISPLAY_CTRL_DOUBLE_PIXEL_DISABLE 0
#define PANEL_DISPLAY_CTRL_DOUBLE_PIXEL_ENABLE 1
#define PANEL_DISPLAY_CTRL_DUAL_DISPLAY BIT(19)
#define PANEL_DISPLAY_CTRL_DOUBLE_PIXEL BIT(18)
#define PANEL_DISPLAY_CTRL_FIFO 17:16
#define PANEL_DISPLAY_CTRL_FIFO_1 0
#define PANEL_DISPLAY_CTRL_FIFO_3 1
#define PANEL_DISPLAY_CTRL_FIFO_7 2
#define PANEL_DISPLAY_CTRL_FIFO_11 3
#define DISPLAY_CTRL_CLOCK_PHASE 14:14
#define DISPLAY_CTRL_CLOCK_PHASE_ACTIVE_HIGH 0
#define DISPLAY_CTRL_CLOCK_PHASE_ACTIVE_LOW 1
#define DISPLAY_CTRL_VSYNC_PHASE 13:13
#define DISPLAY_CTRL_VSYNC_PHASE_ACTIVE_HIGH 0
#define DISPLAY_CTRL_VSYNC_PHASE_ACTIVE_LOW 1
#define DISPLAY_CTRL_HSYNC_PHASE 12:12
#define DISPLAY_CTRL_HSYNC_PHASE_ACTIVE_HIGH 0
#define DISPLAY_CTRL_HSYNC_PHASE_ACTIVE_LOW 1
#define PANEL_DISPLAY_CTRL_VSYNC 11:11
#define PANEL_DISPLAY_CTRL_VSYNC_ACTIVE_HIGH 0
#define PANEL_DISPLAY_CTRL_VSYNC_ACTIVE_LOW 1
#define PANEL_DISPLAY_CTRL_CAPTURE_TIMING 10:10
#define PANEL_DISPLAY_CTRL_CAPTURE_TIMING_DISABLE 0
#define PANEL_DISPLAY_CTRL_CAPTURE_TIMING_ENABLE 1
#define PANEL_DISPLAY_CTRL_COLOR_KEY 9:9
#define PANEL_DISPLAY_CTRL_COLOR_KEY_DISABLE 0
#define PANEL_DISPLAY_CTRL_COLOR_KEY_ENABLE 1
#define DISPLAY_CTRL_TIMING 8:8
#define DISPLAY_CTRL_TIMING_DISABLE 0
#define DISPLAY_CTRL_TIMING_ENABLE 1
#define PANEL_DISPLAY_CTRL_VERTICAL_PAN_DIR 7:7
#define PANEL_DISPLAY_CTRL_VERTICAL_PAN_DIR_DOWN 0
#define PANEL_DISPLAY_CTRL_VERTICAL_PAN_DIR_UP 1
#define PANEL_DISPLAY_CTRL_VERTICAL_PAN 6:6
#define PANEL_DISPLAY_CTRL_VERTICAL_PAN_DISABLE 0
#define PANEL_DISPLAY_CTRL_VERTICAL_PAN_ENABLE 1
#define PANEL_DISPLAY_CTRL_HORIZONTAL_PAN_DIR 5:5
#define PANEL_DISPLAY_CTRL_HORIZONTAL_PAN_DIR_RIGHT 0
#define PANEL_DISPLAY_CTRL_HORIZONTAL_PAN_DIR_LEFT 1
#define PANEL_DISPLAY_CTRL_HORIZONTAL_PAN 4:4
#define PANEL_DISPLAY_CTRL_HORIZONTAL_PAN_DISABLE 0
#define PANEL_DISPLAY_CTRL_HORIZONTAL_PAN_ENABLE 1
#define DISPLAY_CTRL_GAMMA 3:3
#define DISPLAY_CTRL_GAMMA_DISABLE 0
#define DISPLAY_CTRL_GAMMA_ENABLE 1
#define DISPLAY_CTRL_PLANE 2:2
#define DISPLAY_CTRL_PLANE_DISABLE 0
#define DISPLAY_CTRL_PLANE_ENABLE 1
#define DISPLAY_CTRL_CLOCK_PHASE BIT(14)
#define DISPLAY_CTRL_VSYNC_PHASE BIT(13)
#define DISPLAY_CTRL_HSYNC_PHASE BIT(12)
#define PANEL_DISPLAY_CTRL_VSYNC BIT(11)
#define PANEL_DISPLAY_CTRL_CAPTURE_TIMING BIT(10)
#define PANEL_DISPLAY_CTRL_COLOR_KEY BIT(9)
#define DISPLAY_CTRL_TIMING BIT(8)
#define PANEL_DISPLAY_CTRL_VERTICAL_PAN_DIR BIT(7)
#define PANEL_DISPLAY_CTRL_VERTICAL_PAN BIT(6)
#define PANEL_DISPLAY_CTRL_HORIZONTAL_PAN_DIR BIT(5)
#define PANEL_DISPLAY_CTRL_HORIZONTAL_PAN BIT(4)
#define DISPLAY_CTRL_GAMMA BIT(3)
#define DISPLAY_CTRL_PLANE BIT(2)
#define PANEL_DISPLAY_CTRL_FORMAT 1:0
#define PANEL_DISPLAY_CTRL_FORMAT_8 0
#define PANEL_DISPLAY_CTRL_FORMAT_16 1

15
drivers/staging/sm750fb/sm750_hw.c
View File

@ -416,28 +416,24 @@ int hw_sm750_setBLANK(struct lynxfb_output *output, int blank)
case FB_BLANK_UNBLANK:
pr_debug("flag = FB_BLANK_UNBLANK\n");
dpms = SYSTEM_CTRL_DPMS_VPHP;
pps = PANEL_DISPLAY_CTRL_DATA_ENABLE;
pps = PANEL_DISPLAY_CTRL_DATA;
crtdb = CRT_DISPLAY_CTRL_BLANK_OFF;
break;
case FB_BLANK_NORMAL:
pr_debug("flag = FB_BLANK_NORMAL\n");
dpms = SYSTEM_CTRL_DPMS_VPHP;
pps = PANEL_DISPLAY_CTRL_DATA_DISABLE;
crtdb = CRT_DISPLAY_CTRL_BLANK_ON;
break;
case FB_BLANK_VSYNC_SUSPEND:
dpms = SYSTEM_CTRL_DPMS_VNHP;
pps = PANEL_DISPLAY_CTRL_DATA_DISABLE;
crtdb = CRT_DISPLAY_CTRL_BLANK_ON;
break;
case FB_BLANK_HSYNC_SUSPEND:
dpms = SYSTEM_CTRL_DPMS_VPHN;
pps = PANEL_DISPLAY_CTRL_DATA_DISABLE;
crtdb = CRT_DISPLAY_CTRL_BLANK_ON;
break;
case FB_BLANK_POWERDOWN:
dpms = SYSTEM_CTRL_DPMS_VNHN;
pps = PANEL_DISPLAY_CTRL_DATA_DISABLE;
crtdb = CRT_DISPLAY_CTRL_BLANK_ON;
break;
}
@ -449,8 +445,13 @@ int hw_sm750_setBLANK(struct lynxfb_output *output, int blank)
POKE32(CRT_DISPLAY_CTRL, FIELD_VALUE(PEEK32(CRT_DISPLAY_CTRL), CRT_DISPLAY_CTRL, BLANK, crtdb));
}
if (output->paths & sm750_panel)
POKE32(PANEL_DISPLAY_CTRL, FIELD_VALUE(PEEK32(PANEL_DISPLAY_CTRL), PANEL_DISPLAY_CTRL, DATA, pps));
if (output->paths & sm750_panel) {
unsigned int val = PEEK32(PANEL_DISPLAY_CTRL);
val &= ~PANEL_DISPLAY_CTRL_DATA;
val |= pps;
POKE32(PANEL_DISPLAY_CTRL, val);
}
return 0;
}