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kernel_linux
提交 f9c97e5d 编写于 作者: K Krzysztof Helt 提交者： David S. Miller
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[FFB]: source cleanup 

This patch cleans up the driver a bit. It contains
coding style fixes (pointed by Lindent and checkpatch)
and white space clean ups.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 a140e94d
隐藏空白更改
内联 并排
Showing with 78 addition and 83 deletion
drivers/video/ffb.c
浏览文件 @ f9c97e5d
......@@ -171,17 +171,17 @@ static struct fb_ops ffb_ops = {
#define FFB_PPC_CS_VAR 0x000002
#define FFB_PPC_CS_CONST 0x000003
#define FFB_ROP_NEW 0x83
#define FFB_ROP_OLD 0x85
#define FFB_ROP_NEW_XOR_OLD 0x86
#define FFB_UCSR_FIFO_MASK 0x00000fff
#define FFB_UCSR_FB_BUSY 0x01000000
#define FFB_UCSR_RP_BUSY 0x02000000
#define FFB_UCSR_ALL_BUSY (FFB_UCSR_RP_BUSY|FFB_UCSR_FB_BUSY)
#define FFB_UCSR_READ_ERR 0x40000000
#define FFB_UCSR_FIFO_OVFL 0x80000000
#define FFB_UCSR_ALL_ERRORS (FFB_UCSR_READ_ERR|FFB_UCSR_FIFO_OVFL)
#define FFB_ROP_NEW 0x83
#define FFB_ROP_OLD 0x85
#define FFB_ROP_NEW_XOR_OLD 0x86
#define FFB_UCSR_FIFO_MASK 0x00000fff
#define FFB_UCSR_FB_BUSY 0x01000000
#define FFB_UCSR_RP_BUSY 0x02000000
#define FFB_UCSR_ALL_BUSY (FFB_UCSR_RP_BUSY|FFB_UCSR_FB_BUSY)
#define FFB_UCSR_READ_ERR 0x40000000
#define FFB_UCSR_FIFO_OVFL 0x80000000
#define FFB_UCSR_ALL_ERRORS (FFB_UCSR_READ_ERR|FFB_UCSR_FIFO_OVFL)
struct ffb_fbc {
/* Next vertex registers */
......@@ -197,7 +197,7 @@ struct ffb_fbc {
u32 ryf;
u32 rxf;
u32 xxx3[2];
u32 dmyf;
u32 dmxf;
u32 xxx4[2];
......@@ -211,13 +211,13 @@ struct ffb_fbc {
u32 bh;
u32 bw;
u32 xxx6[2];
u32 xxx7[32];
/* Setup unit vertex state register */
u32 suvtx;
u32 xxx8[63];
/* Control registers */
u32 ppc;
u32 wid;
......@@ -235,7 +235,7 @@ struct ffb_fbc {
u32 dcsb;
u32 dczf;
u32 dczb;
u32 xxx9;
u32 blendc;
u32 blendc1;
......@@ -252,7 +252,7 @@ struct ffb_fbc {
u32 fbcfg1;
u32 fbcfg2;
u32 fbcfg3;
u32 ppcfg;
u32 pick;
u32 fillmode;
......@@ -269,7 +269,7 @@ struct ffb_fbc {
u32 clip2max;
u32 clip3min;
u32 clip3max;
/* New 3dRAM III support regs */
u32 rawblend2;
u32 rawpreblend;
......@@ -287,7 +287,7 @@ struct ffb_fbc {
u32 rawcmp;
u32 rawwac;
u32 fbramid;
u32 drawop;
u32 xxx10[2];
u32 fontlpat;
......@@ -302,7 +302,7 @@ struct ffb_fbc {
u32 stencil;
u32 stencilctl;
u32 xxx13[4];
u32 xxx13[4];
u32 dcss1;
u32 dcss2;
u32 dcss3;
......@@ -315,17 +315,17 @@ struct ffb_fbc {
u32 dcd3;
u32 dcd4;
u32 xxx15;
u32 pattern[32];
u32 xxx16[256];
u32 devid;
u32 xxx17[63];
u32 ucsr;
u32 xxx18[31];
u32 mer;
};
......@@ -336,20 +336,20 @@ struct ffb_dac {
u32 value2;
};
#define FFB_DAC_UCTRL 0x1001 /* User Control */
#define FFB_DAC_UCTRL_MANREV 0x00000f00 /* 4-bit Manufacturing Revision */
#define FFB_DAC_UCTRL_MANREV_SHIFT 8
#define FFB_DAC_TGEN 0x6000 /* Timing Generator */
#define FFB_DAC_TGEN_VIDE 0x00000001 /* Video Enable */
#define FFB_DAC_DID 0x8000 /* Device Identification */
#define FFB_DAC_DID_PNUM 0x0ffff000 /* Device Part Number */
#define FFB_DAC_DID_PNUM_SHIFT 12
#define FFB_DAC_DID_REV 0xf0000000 /* Device Revision */
#define FFB_DAC_DID_REV_SHIFT 28
#define FFB_DAC_UCTRL 0x1001 /* User Control */
#define FFB_DAC_UCTRL_MANREV 0x00000f00 /* 4-bit Manufacturing Revision */
#define FFB_DAC_UCTRL_MANREV_SHIFT 8
#define FFB_DAC_TGEN 0x6000 /* Timing Generator */
#define FFB_DAC_TGEN_VIDE 0x00000001 /* Video Enable */
#define FFB_DAC_DID 0x8000 /* Device Identification */
#define FFB_DAC_DID_PNUM 0x0ffff000 /* Device Part Number */
#define FFB_DAC_DID_PNUM_SHIFT 12
#define FFB_DAC_DID_REV 0xf0000000 /* Device Revision */
#define FFB_DAC_DID_REV_SHIFT 28
#define FFB_DAC_CUR_CTRL 0x100
#define FFB_DAC_CUR_CTRL_P0 0x00000001
#define FFB_DAC_CUR_CTRL_P1 0x00000002
#define FFB_DAC_CUR_CTRL_P0 0x00000001
#define FFB_DAC_CUR_CTRL_P1 0x00000002
struct ffb_par {
spinlock_t lock;
......@@ -382,7 +382,9 @@ static void FFBFifo(struct ffb_par *par, int n)
if (cache - n < 0) {
fbc = par->fbc;
do { cache = (upa_readl(&fbc->ucsr) & FFB_UCSR_FIFO_MASK) - 8;
do {
cache = (upa_readl(&fbc->ucsr) & FFB_UCSR_FIFO_MASK);
cache -= 8;
} while (cache - n < 0);
}
par->fifo_cache = cache - n;
......@@ -401,12 +403,12 @@ static void FFBWait(struct ffb_par *par)
upa_writel(FFB_UCSR_ALL_ERRORS, &fbc->ucsr);
}
udelay(10);
} while(--limit > 0);
} while (--limit > 0);
}
static int ffb_sync(struct fb_info *p)
{
struct ffb_par *par = (struct ffb_par *) p->par;
struct ffb_par *par = (struct ffb_par *)p->par;
FFBWait(par);
return 0;
......@@ -431,8 +433,8 @@ static void ffb_switch_from_graph(struct ffb_par *par)
FFBWait(par);
par->fifo_cache = 0;
FFBFifo(par, 7);
upa_writel(FFB_PPC_VCE_DISABLE|FFB_PPC_TBE_OPAQUE|
FFB_PPC_APE_DISABLE|FFB_PPC_CS_CONST,
upa_writel(FFB_PPC_VCE_DISABLE | FFB_PPC_TBE_OPAQUE |
FFB_PPC_APE_DISABLE | FFB_PPC_CS_CONST,
&fbc->ppc);
upa_writel(0x2000707f, &fbc->fbc);
upa_writel(par->rop_cache, &fbc->rop);
......@@ -455,7 +457,7 @@ static void ffb_switch_from_graph(struct ffb_par *par)
static int ffb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct ffb_par *par = (struct ffb_par *) info->par;
struct ffb_par *par = (struct ffb_par *)info->par;
/* We just use this to catch switches out of
* graphics mode.
......@@ -468,16 +470,14 @@ static int ffb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
}
/**
* ffb_fillrect - REQUIRED function. Can use generic routines if
* non acclerated hardware and packed pixel based.
* Draws a rectangle on the screen.
* ffb_fillrect - Draws a rectangle on the screen.
*
* @info: frame buffer structure that represents a single frame buffer
* @rect: structure defining the rectagle and operation.
* @info: frame buffer structure that represents a single frame buffer
* @rect: structure defining the rectagle and operation.
*/
static void ffb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
struct ffb_par *par = (struct ffb_par *) info->par;
struct ffb_par *par = (struct ffb_par *)info->par;
struct ffb_fbc __iomem *fbc = par->fbc;
unsigned long flags;
u32 fg;
......@@ -494,9 +494,9 @@ static void ffb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
par->fg_cache = fg;
}
ffb_rop(par, (rect->rop == ROP_COPY ?
FFB_ROP_NEW :
FFB_ROP_NEW_XOR_OLD));
ffb_rop(par, rect->rop == ROP_COPY ?
FFB_ROP_NEW :
FFB_ROP_NEW_XOR_OLD);
FFBFifo(par, 5);
upa_writel(FFB_DRAWOP_RECTANGLE, &fbc->drawop);
......@@ -509,18 +509,15 @@ static void ffb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
}
/**
* ffb_copyarea - REQUIRED function. Can use generic routines if
* non acclerated hardware and packed pixel based.
* Copies on area of the screen to another area.
* ffb_copyarea - Copies on area of the screen to another area.
*
* @info: frame buffer structure that represents a single frame buffer
* @area: structure defining the source and destination.
* @info: frame buffer structure that represents a single frame buffer
* @area: structure defining the source and destination.
*/
static void
ffb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
static void ffb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
{
struct ffb_par *par = (struct ffb_par *) info->par;
struct ffb_par *par = (struct ffb_par *)info->par;
struct ffb_fbc __iomem *fbc = par->fbc;
unsigned long flags;
......@@ -547,16 +544,14 @@ ffb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
}
/**
* ffb_imageblit - REQUIRED function. Can use generic routines if
* non acclerated hardware and packed pixel based.
* Copies a image from system memory to the screen.
* ffb_imageblit - Copies a image from system memory to the screen.
*
* @info: frame buffer structure that represents a single frame buffer
* @image: structure defining the image.
* @info: frame buffer structure that represents a single frame buffer
* @image: structure defining the image.
*/
static void ffb_imageblit(struct fb_info *info, const struct fb_image *image)
{
struct ffb_par *par = (struct ffb_par *) info->par;
struct ffb_par *par = (struct ffb_par *)info->par;
struct ffb_fbc __iomem *fbc = par->fbc;
const u8 *data = image->data;
unsigned long flags;
......@@ -644,13 +639,14 @@ static void ffb_fixup_var_rgb(struct fb_var_screeninfo *var)
}
/**
* ffb_setcolreg - Optional function. Sets a color register.
* @regno: boolean, 0 copy local, 1 get_user() function
* @red: frame buffer colormap structure
* @green: The green value which can be up to 16 bits wide
* @blue: The blue value which can be up to 16 bits wide.
* @transp: If supported the alpha value which can be up to 16 bits wide.
* @info: frame buffer info structure
* ffb_setcolreg - Sets a color register.
*
* @regno: boolean, 0 copy local, 1 get_user() function
* @red: frame buffer colormap structure
* @green: The green value which can be up to 16 bits wide
* @blue: The blue value which can be up to 16 bits wide.
* @transp: If supported the alpha value which can be up to 16 bits wide.
* @info: frame buffer info structure
*/
static int ffb_setcolreg(unsigned regno,
unsigned red, unsigned green, unsigned blue,
......@@ -672,14 +668,13 @@ static int ffb_setcolreg(unsigned regno,
}
/**
* ffb_blank - Optional function. Blanks the display.
* @blank_mode: the blank mode we want.
* @info: frame buffer structure that represents a single frame buffer
* ffb_blank - Optional function. Blanks the display.
* @blank_mode: the blank mode we want.
* @info: frame buffer structure that represents a single frame buffer
*/
static int
ffb_blank(int blank, struct fb_info *info)
static int ffb_blank(int blank, struct fb_info *info)
{
struct ffb_par *par = (struct ffb_par *) info->par;
struct ffb_par *par = (struct ffb_par *)info->par;
struct ffb_dac __iomem *dac = par->dac;
unsigned long flags;
u32 val;
......@@ -867,7 +862,7 @@ static int ffb_mmap(struct fb_info *info, struct vm_area_struct *vma)
static int ffb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
{
struct ffb_par *par = (struct ffb_par *) info->par;
struct ffb_par *par = (struct ffb_par *)info->par;
return sbusfb_ioctl_helper(cmd, arg, info,
FBTYPE_CREATOR, 24, par->fbsize);
......@@ -877,8 +872,7 @@ static int ffb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
* Initialisation
*/
static void
ffb_init_fix(struct fb_info *info)
static void ffb_init_fix(struct fb_info *info)
{
struct ffb_par *par = (struct ffb_par *)info->par;
const char *ffb_type_name;
......@@ -902,7 +896,8 @@ ffb_init_fix(struct fb_info *info)
info->fix.accel = FB_ACCEL_SUN_CREATOR;
}
static int __devinit ffb_probe(struct of_device *op, const struct of_device_id *match)
static int __devinit ffb_probe(struct of_device *op,
const struct of_device_id *match)
{
struct device_node *dp = op->node;
struct ffb_fbc __iomem *fbc;
......
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