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staging: sm750fb: change definition of CRT_HORIZONTAL_SYNC fields 

Use stratight-forward definition of CRT_HORIZONTAL_SYNC register fields
and use open-coded implementation for register manipulation

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 2016-02-15 19:53:48 +02:00 committed by Greg Kroah-Hartman
parent 32849f85e6
commit 1adb3c2338
2 changed files with 8 additions and 4 deletions
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7
drivers/staging/sm750fb/ddk750_mode.c
View File

@ -90,8 +90,11 @@ static int programModeRegisters(mode_parameter_t *pModeParam, pll_value_t *pll)
CRT_HORIZONTAL_TOTAL_DISPLAY_END_MASK));
POKE32(CRT_HORIZONTAL_SYNC,
FIELD_VALUE(0, CRT_HORIZONTAL_SYNC, WIDTH, pModeParam->horizontal_sync_width)
| FIELD_VALUE(0, CRT_HORIZONTAL_SYNC, START, pModeParam->horizontal_sync_start - 1));
((pModeParam->horizontal_sync_width <<
CRT_HORIZONTAL_SYNC_WIDTH_SHIFT) &
CRT_HORIZONTAL_SYNC_WIDTH_MASK) |
((pModeParam->horizontal_sync_start - 1) &
CRT_HORIZONTAL_SYNC_START_MASK));
POKE32(CRT_VERTICAL_TOTAL,
FIELD_VALUE(0, CRT_VERTICAL_TOTAL, TOTAL, pModeParam->vertical_total - 1)

5
drivers/staging/sm750fb/ddk750_reg.h
View File

@ -1382,8 +1382,9 @@
#define CRT_HORIZONTAL_TOTAL_DISPLAY_END_MASK 0xfff
#define CRT_HORIZONTAL_SYNC 0x080210
#define CRT_HORIZONTAL_SYNC_WIDTH 23:16
#define CRT_HORIZONTAL_SYNC_START 11:0
#define CRT_HORIZONTAL_SYNC_WIDTH_SHIFT 16
#define CRT_HORIZONTAL_SYNC_WIDTH_MASK (0xff << 16)
#define CRT_HORIZONTAL_SYNC_START_MASK 0xfff
#define CRT_VERTICAL_TOTAL 0x080214
#define CRT_VERTICAL_TOTAL_TOTAL 26:16