diff options
Diffstat (limited to 'drivers/video/ffb.c')
| -rw-r--r-- | drivers/video/ffb.c | 161 |
1 files changed, 78 insertions, 83 deletions
diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c index 4b520b573911..d7e24889650e 100644 --- a/drivers/video/ffb.c +++ b/drivers/video/ffb.c @@ -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; |