Use the standard BIT() and GENMASK() macros for bitfield definitions.
Signed-off-by: Dario Binacchi dariobin@libero.it
---
Changes in v2: - Use GENMASK macro too
drivers/video/am335x-fb.c | 36 ++++++++++++++++++------------------ drivers/video/am335x-fb.h | 12 ++++++------ 2 files changed, 24 insertions(+), 24 deletions(-)
diff --git a/drivers/video/am335x-fb.c b/drivers/video/am335x-fb.c index 51c1af587f..7065d57148 100644 --- a/drivers/video/am335x-fb.c +++ b/drivers/video/am335x-fb.c @@ -27,11 +27,11 @@
/* LCD Control Register */ #define LCD_CLK_DIVISOR(x) ((x) << 8) -#define LCD_RASTER_MODE 0x01 +#define LCD_RASTER_MODE BIT(0) /* LCD Clock Enable Register */ -#define LCD_CORECLKEN (0x01 << 0) -#define LCD_LIDDCLKEN (0x01 << 1) -#define LCD_DMACLKEN (0x01 << 2) +#define LCD_CORECLKEN BIT(0) +#define LCD_LIDDCLKEN BIT(1) +#define LCD_DMACLKEN BIT(2) /* LCD DMA Control Register */ #define LCD_DMA_BURST_SIZE(x) ((x) << 4) #define LCD_DMA_BURST_1 0x0 @@ -40,28 +40,28 @@ #define LCD_DMA_BURST_8 0x3 #define LCD_DMA_BURST_16 0x4 /* LCD Timing_0 Register */ -#define LCD_HBPLSB(x) ((((x)-1) & 0xFF) << 24) -#define LCD_HFPLSB(x) ((((x)-1) & 0xFF) << 16) -#define LCD_HSWLSB(x) ((((x)-1) & 0x3F) << 10) -#define LCD_HORLSB(x) (((((x) >> 4)-1) & 0x3F) << 4) +#define LCD_HBPLSB(x) ((((x) - 1) & GENMASK(7, 0)) << 24) +#define LCD_HFPLSB(x) ((((x) - 1) & GENMASK(7, 0)) << 16) +#define LCD_HSWLSB(x) ((((x) - 1) & GENMASK(5, 0)) << 10) +#define LCD_HORLSB(x) (((((x) >> 4) - 1) & GENMASK(5, 0)) << 4) #define LCD_HORMSB(x) (((((x) >> 4)-1) & 0x40) >> 4) /* LCD Timing_1 Register */ #define LCD_VBP(x) ((x) << 24) #define LCD_VFP(x) ((x) << 16) #define LCD_VSW(x) (((x)-1) << 10) -#define LCD_VERLSB(x) (((x)-1) & 0x3FF) +#define LCD_VERLSB(x) (((x) - 1) & GENMASK(9, 0)) /* LCD Timing_2 Register */ -#define LCD_HSWMSB(x) ((((x)-1) & 0x3C0) << 21) -#define LCD_VERMSB(x) ((((x)-1) & 0x400) << 16) -#define LCD_HBPMSB(x) ((((x)-1) & 0x300) >> 4) -#define LCD_HFPMSB(x) ((((x)-1) & 0x300) >> 8) -#define LCD_INVMASK(x) ((x) & 0x3F00000) +#define LCD_HSWMSB(x) ((((x) - 1) & GENMASK(9, 6)) << 21) +#define LCD_VERMSB(x) ((((x) - 1) & BIT(10)) << 16) +#define LCD_HBPMSB(x) ((((x) - 1) & GENMASK(9, 8)) >> 4) +#define LCD_HFPMSB(x) ((((x) - 1) & GENMASK(9, 8)) >> 8) +#define LCD_INVMASK(x) ((x) & GENMASK(25, 20)) /* LCD Raster Ctrl Register */ -#define LCD_TFT_24BPP_MODE (1 << 25) -#define LCD_TFT_24BPP_UNPACK (1 << 26) +#define LCD_TFT_24BPP_MODE BIT(25) +#define LCD_TFT_24BPP_UNPACK BIT(26) #define LCD_PALMODE_RAWDATA (0x02 << 20) -#define LCD_TFT_MODE (0x01 << 7) -#define LCD_RASTER_ENABLE (0x01 << 0) +#define LCD_TFT_MODE BIT(7) +#define LCD_RASTER_ENABLE BIT(0)
/* Macro definitions */ diff --git a/drivers/video/am335x-fb.h b/drivers/video/am335x-fb.h index f5883c02dd..ad9b015e09 100644 --- a/drivers/video/am335x-fb.h +++ b/drivers/video/am335x-fb.h @@ -7,7 +7,7 @@ #ifndef AM335X_FB_H #define AM335X_FB_H
-#define HSVS_CONTROL (0x01 << 25) /* +#define HSVS_CONTROL BIT(25) /* * 0 = lcd_lp and lcd_fp are driven on * opposite edges of pixel clock than * the lcd_pixel_o @@ -17,7 +17,7 @@ * Matrix displays the edge timing is * fixed */ -#define HSVS_RISEFALL (0x01 << 24) /* +#define HSVS_RISEFALL BIT(24) /* * 0 = lcd_lp and lcd_fp are driven on * the rising edge of pixel clock (bit * 25 must be set to 1) @@ -25,19 +25,19 @@ * the falling edge of pixel clock (bit * 25 must be set to 1) */ -#define DE_INVERT (0x01 << 23) /* +#define DE_INVERT BIT(23) /* * 0 = DE is low-active * 1 = DE is high-active */ -#define PXCLK_INVERT (0x01 << 22) /* +#define PXCLK_INVERT BIT(22) /* * 0 = pix-clk is high-active * 1 = pic-clk is low-active */ -#define HSYNC_INVERT (0x01 << 21) /* +#define HSYNC_INVERT BIT(21) /* * 0 = HSYNC is active high * 1 = HSYNC is avtive low */ -#define VSYNC_INVERT (0x01 << 20) /* +#define VSYNC_INVERT BIT(20) /* * 0 = VSYNC is active high * 1 = VSYNC is active low */