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staging: sm750fb: change definition of CRT_HORIZONTAL_TOTAL fields

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Use stratight-forward definition of CRT_HORIZONTAL_TOTAL 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 19:53:47 +02:00 committed by Greg Kroah-Hartman
parent aed4b787b0
commit 32849f85e6
2 changed files with 8 additions and 4 deletions
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7
drivers/staging/sm750fb/ddk750_mode.c
View File

@ -83,8 +83,11 @@ static int programModeRegisters(mode_parameter_t *pModeParam, pll_value_t *pll)
/* programe secondary pixel clock */
POKE32(CRT_PLL_CTRL, formatPllReg(pll));
POKE32(CRT_HORIZONTAL_TOTAL,
FIELD_VALUE(0, CRT_HORIZONTAL_TOTAL, TOTAL, pModeParam->horizontal_total - 1)
| FIELD_VALUE(0, CRT_HORIZONTAL_TOTAL, DISPLAY_END, pModeParam->horizontal_display_end - 1));
(((pModeParam->horizontal_total - 1) <<
CRT_HORIZONTAL_TOTAL_TOTAL_SHIFT) &
CRT_HORIZONTAL_TOTAL_TOTAL_MASK) |
((pModeParam->horizontal_display_end - 1) &
CRT_HORIZONTAL_TOTAL_DISPLAY_END_MASK));
POKE32(CRT_HORIZONTAL_SYNC,
FIELD_VALUE(0, CRT_HORIZONTAL_SYNC, WIDTH, pModeParam->horizontal_sync_width)

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

@ -1377,8 +1377,9 @@
#define CRT_FB_WIDTH_OFFSET 13:0
#define CRT_HORIZONTAL_TOTAL 0x08020C
#define CRT_HORIZONTAL_TOTAL_TOTAL 27:16
#define CRT_HORIZONTAL_TOTAL_DISPLAY_END 11:0
#define CRT_HORIZONTAL_TOTAL_TOTAL_SHIFT 16
#define CRT_HORIZONTAL_TOTAL_TOTAL_MASK (0xfff << 16)
#define CRT_HORIZONTAL_TOTAL_DISPLAY_END_MASK 0xfff
#define CRT_HORIZONTAL_SYNC 0x080210
#define CRT_HORIZONTAL_SYNC_WIDTH 23:16