diff options
author | Mike Rapoport <mike.rapoport@gmail.com> | 2016-02-10 18:34:04 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-11 19:52:37 -0800 |
commit | 85e4db5347a96560928d2995a2cd05f10b856d5e (patch) | |
tree | a1111daebcfde881a288b6622d9512a8efb21bc3 /drivers/staging/sm750fb/ddk750_mode.c | |
parent | staging: sm750fb: setDisplayControl: rename local vairables (diff) | |
download | linux-dev-85e4db5347a96560928d2995a2cd05f10b856d5e.tar.xz linux-dev-85e4db5347a96560928d2995a2cd05f10b856d5e.zip |
staging: sm750fb: share common bits in display control registers
The display control registers for primary and secondary display share some
of the bits and those bits can be defined in a single place and then used
for manipulations of the relevant registers.
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/sm750fb/ddk750_mode.c')
-rw-r--r-- | drivers/staging/sm750fb/ddk750_mode.c | 42 |
1 files changed, 23 insertions, 19 deletions
diff --git a/drivers/staging/sm750fb/ddk750_mode.c b/drivers/staging/sm750fb/ddk750_mode.c index e7fc2391c856..f81e05323875 100644 --- a/drivers/staging/sm750fb/ddk750_mode.c +++ b/drivers/staging/sm750fb/ddk750_mode.c @@ -65,7 +65,8 @@ 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, CRT_DISPLAY_CTRL, CLOCK_PHASE, ACTIVE_LOW); + dispControl = FIELD_SET(dispControl, DISPLAY_CTRL, CLOCK_PHASE, + ACTIVE_LOW); POKE32(CRT_DISPLAY_CTRL, dispControl); @@ -101,21 +102,22 @@ 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, CRT_DISPLAY_CTRL, VSYNC_PHASE, + tmp = FIELD_VALUE(0, DISPLAY_CTRL, VSYNC_PHASE, pModeParam->vertical_sync_polarity) | - FIELD_VALUE(0, CRT_DISPLAY_CTRL, HSYNC_PHASE, pModeParam->horizontal_sync_polarity) | - FIELD_SET(0, CRT_DISPLAY_CTRL, TIMING, ENABLE) | - FIELD_SET(0, CRT_DISPLAY_CTRL, PLANE, ENABLE); + 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); if (getChipType() == SM750LE) { displayControlAdjust_SM750LE(pModeParam, tmp); } else { reg = PEEK32(CRT_DISPLAY_CTRL) - & FIELD_CLEAR(CRT_DISPLAY_CTRL, VSYNC_PHASE) - & FIELD_CLEAR(CRT_DISPLAY_CTRL, HSYNC_PHASE) - & FIELD_CLEAR(CRT_DISPLAY_CTRL, TIMING) - & FIELD_CLEAR(CRT_DISPLAY_CTRL, PLANE); + & FIELD_CLEAR(DISPLAY_CTRL, VSYNC_PHASE) + & FIELD_CLEAR(DISPLAY_CTRL, HSYNC_PHASE) + & FIELD_CLEAR(DISPLAY_CTRL, TIMING) + & FIELD_CLEAR(DISPLAY_CTRL, PLANE); POKE32(CRT_DISPLAY_CTRL, tmp | reg); } @@ -141,12 +143,14 @@ 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, PANEL_DISPLAY_CTRL, VSYNC_PHASE, + tmp = FIELD_VALUE(0, DISPLAY_CTRL, VSYNC_PHASE, pModeParam->vertical_sync_polarity) | - FIELD_VALUE(0, PANEL_DISPLAY_CTRL, HSYNC_PHASE, pModeParam->horizontal_sync_polarity) | - FIELD_VALUE(0, PANEL_DISPLAY_CTRL, CLOCK_PHASE, pModeParam->clock_phase_polarity) | - FIELD_SET(0, PANEL_DISPLAY_CTRL, TIMING, ENABLE) | - FIELD_SET(0, PANEL_DISPLAY_CTRL, PLANE, ENABLE); + 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); reserved = FIELD_SET(0, PANEL_DISPLAY_CTRL, RESERVED_1_MASK, ENABLE) | @@ -155,11 +159,11 @@ static int programModeRegisters(mode_parameter_t *pModeParam, pll_value_t *pll) FIELD_SET(0, PANEL_DISPLAY_CTRL, VSYNC, ACTIVE_LOW); reg = (PEEK32(PANEL_DISPLAY_CTRL) & ~reserved) - & FIELD_CLEAR(PANEL_DISPLAY_CTRL, CLOCK_PHASE) - & FIELD_CLEAR(PANEL_DISPLAY_CTRL, VSYNC_PHASE) - & FIELD_CLEAR(PANEL_DISPLAY_CTRL, HSYNC_PHASE) - & FIELD_CLEAR(PANEL_DISPLAY_CTRL, TIMING) - & FIELD_CLEAR(PANEL_DISPLAY_CTRL, PLANE); + & 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); /* May a hardware bug or just my test chip (not confirmed). |