diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/cg6.c | 244 |
1 files changed, 118 insertions, 126 deletions
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c index ee9046db9c7..137e475bbd9 100644 --- a/drivers/video/cg6.c +++ b/drivers/video/cg6.c @@ -19,7 +19,6 @@ #include <linux/mm.h> #include <asm/io.h> -#include <asm/prom.h> #include <asm/of_device.h> #include <asm/fbio.h> @@ -65,41 +64,41 @@ static struct fb_ops cg6_ops = { * The FBC could be the frame buffer control * The FHC could is the frame buffer hardware control. */ -#define CG6_ROM_OFFSET 0x0UL -#define CG6_BROOKTREE_OFFSET 0x200000UL -#define CG6_DHC_OFFSET 0x240000UL -#define CG6_ALT_OFFSET 0x280000UL -#define CG6_FHC_OFFSET 0x300000UL -#define CG6_THC_OFFSET 0x301000UL -#define CG6_FBC_OFFSET 0x700000UL -#define CG6_TEC_OFFSET 0x701000UL -#define CG6_RAM_OFFSET 0x800000UL +#define CG6_ROM_OFFSET 0x0UL +#define CG6_BROOKTREE_OFFSET 0x200000UL +#define CG6_DHC_OFFSET 0x240000UL +#define CG6_ALT_OFFSET 0x280000UL +#define CG6_FHC_OFFSET 0x300000UL +#define CG6_THC_OFFSET 0x301000UL +#define CG6_FBC_OFFSET 0x700000UL +#define CG6_TEC_OFFSET 0x701000UL +#define CG6_RAM_OFFSET 0x800000UL /* FHC definitions */ -#define CG6_FHC_FBID_SHIFT 24 -#define CG6_FHC_FBID_MASK 255 -#define CG6_FHC_REV_SHIFT 20 -#define CG6_FHC_REV_MASK 15 -#define CG6_FHC_FROP_DISABLE (1 << 19) -#define CG6_FHC_ROW_DISABLE (1 << 18) -#define CG6_FHC_SRC_DISABLE (1 << 17) -#define CG6_FHC_DST_DISABLE (1 << 16) -#define CG6_FHC_RESET (1 << 15) -#define CG6_FHC_LITTLE_ENDIAN (1 << 13) -#define CG6_FHC_RES_MASK (3 << 11) -#define CG6_FHC_1024 (0 << 11) -#define CG6_FHC_1152 (1 << 11) -#define CG6_FHC_1280 (2 << 11) -#define CG6_FHC_1600 (3 << 11) -#define CG6_FHC_CPU_MASK (3 << 9) -#define CG6_FHC_CPU_SPARC (0 << 9) -#define CG6_FHC_CPU_68020 (1 << 9) -#define CG6_FHC_CPU_386 (2 << 9) -#define CG6_FHC_TEST (1 << 8) -#define CG6_FHC_TEST_X_SHIFT 4 -#define CG6_FHC_TEST_X_MASK 15 -#define CG6_FHC_TEST_Y_SHIFT 0 -#define CG6_FHC_TEST_Y_MASK 15 +#define CG6_FHC_FBID_SHIFT 24 +#define CG6_FHC_FBID_MASK 255 +#define CG6_FHC_REV_SHIFT 20 +#define CG6_FHC_REV_MASK 15 +#define CG6_FHC_FROP_DISABLE (1 << 19) +#define CG6_FHC_ROW_DISABLE (1 << 18) +#define CG6_FHC_SRC_DISABLE (1 << 17) +#define CG6_FHC_DST_DISABLE (1 << 16) +#define CG6_FHC_RESET (1 << 15) +#define CG6_FHC_LITTLE_ENDIAN (1 << 13) +#define CG6_FHC_RES_MASK (3 << 11) +#define CG6_FHC_1024 (0 << 11) +#define CG6_FHC_1152 (1 << 11) +#define CG6_FHC_1280 (2 << 11) +#define CG6_FHC_1600 (3 << 11) +#define CG6_FHC_CPU_MASK (3 << 9) +#define CG6_FHC_CPU_SPARC (0 << 9) +#define CG6_FHC_CPU_68020 (1 << 9) +#define CG6_FHC_CPU_386 (2 << 9) +#define CG6_FHC_TEST (1 << 8) +#define CG6_FHC_TEST_X_SHIFT 4 +#define CG6_FHC_TEST_X_MASK 15 +#define CG6_FHC_TEST_Y_SHIFT 0 +#define CG6_FHC_TEST_Y_MASK 15 /* FBC mode definitions */ #define CG6_FBC_BLIT_IGNORE 0x00000000 @@ -150,17 +149,17 @@ static struct fb_ops cg6_ops = { #define CG6_FBC_INDEX_MASK 0x00000030 /* THC definitions */ -#define CG6_THC_MISC_REV_SHIFT 16 -#define CG6_THC_MISC_REV_MASK 15 -#define CG6_THC_MISC_RESET (1 << 12) -#define CG6_THC_MISC_VIDEO (1 << 10) -#define CG6_THC_MISC_SYNC (1 << 9) -#define CG6_THC_MISC_VSYNC (1 << 8) -#define CG6_THC_MISC_SYNC_ENAB (1 << 7) -#define CG6_THC_MISC_CURS_RES (1 << 6) -#define CG6_THC_MISC_INT_ENAB (1 << 5) -#define CG6_THC_MISC_INT (1 << 4) -#define CG6_THC_MISC_INIT 0x9f +#define CG6_THC_MISC_REV_SHIFT 16 +#define CG6_THC_MISC_REV_MASK 15 +#define CG6_THC_MISC_RESET (1 << 12) +#define CG6_THC_MISC_VIDEO (1 << 10) +#define CG6_THC_MISC_SYNC (1 << 9) +#define CG6_THC_MISC_VSYNC (1 << 8) +#define CG6_THC_MISC_SYNC_ENAB (1 << 7) +#define CG6_THC_MISC_CURS_RES (1 << 6) +#define CG6_THC_MISC_INT_ENAB (1 << 5) +#define CG6_THC_MISC_INT (1 << 4) +#define CG6_THC_MISC_INIT 0x9f /* The contents are unknown */ struct cg6_tec { @@ -170,25 +169,25 @@ struct cg6_tec { }; struct cg6_thc { - u32 thc_pad0[512]; - u32 thc_hs; /* hsync timing */ - u32 thc_hsdvs; - u32 thc_hd; - u32 thc_vs; /* vsync timing */ - u32 thc_vd; - u32 thc_refresh; - u32 thc_misc; - u32 thc_pad1[56]; - u32 thc_cursxy; /* cursor x,y position (16 bits each) */ - u32 thc_cursmask[32]; /* cursor mask bits */ - u32 thc_cursbits[32]; /* what to show where mask enabled */ + u32 thc_pad0[512]; + u32 thc_hs; /* hsync timing */ + u32 thc_hsdvs; + u32 thc_hd; + u32 thc_vs; /* vsync timing */ + u32 thc_vd; + u32 thc_refresh; + u32 thc_misc; + u32 thc_pad1[56]; + u32 thc_cursxy; /* cursor x,y position (16 bits each) */ + u32 thc_cursmask[32]; /* cursor mask bits */ + u32 thc_cursbits[32]; /* what to show where mask enabled */ }; struct cg6_fbc { u32 xxx0[1]; u32 mode; u32 clip; - u32 xxx1[1]; + u32 xxx1[1]; u32 s; u32 draw; u32 blit; @@ -243,10 +242,10 @@ struct cg6_fbc { }; struct bt_regs { - u32 addr; - u32 color_map; - u32 control; - u32 cursor; + u32 addr; + u32 color_map; + u32 control; + u32 cursor; }; struct cg6_par { @@ -267,7 +266,7 @@ struct cg6_par { static int cg6_sync(struct fb_info *info) { - struct cg6_par *par = (struct cg6_par *) info->par; + struct cg6_par *par = (struct cg6_par *)info->par; struct cg6_fbc __iomem *fbc = par->fbc; int limit = 10000; @@ -281,16 +280,14 @@ static int cg6_sync(struct fb_info *info) } /** - * cg6_fillrect - REQUIRED function. Can use generic routines if - * non acclerated hardware and packed pixel based. - * Draws a rectangle on the screen. + * cg6_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 cg6_fillrect(struct fb_info *info, const struct fb_fillrect *rect) { - struct cg6_par *par = (struct cg6_par *) info->par; + struct cg6_par *par = (struct cg6_par *)info->par; struct cg6_fbc __iomem *fbc = par->fbc; unsigned long flags; s32 val; @@ -316,16 +313,14 @@ static void cg6_fillrect(struct fb_info *info, const struct fb_fillrect *rect) } /** - * cg6_imageblit - REQUIRED function. Can use generic routines if - * non acclerated hardware and packed pixel based. - * Copies a image from system memory to the screen. + * cg6_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 cg6_imageblit(struct fb_info *info, const struct fb_image *image) { - struct cg6_par *par = (struct cg6_par *) info->par; + struct cg6_par *par = (struct cg6_par *)info->par; struct cg6_fbc __iomem *fbc = par->fbc; const u8 *data = image->data; unsigned long flags; @@ -363,7 +358,7 @@ static void cg6_imageblit(struct fb_info *info, const struct fb_image *image) sbus_writel(y, &fbc->y0); sbus_writel(x, &fbc->x0); sbus_writel(x + 32 - 1, &fbc->x1); - + val = ((u32)data[0] << 24) | ((u32)data[1] << 16) | ((u32)data[2] << 8) | @@ -404,19 +399,20 @@ static void cg6_imageblit(struct fb_info *info, const struct fb_image *image) } /** - * cg6_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 + * cg6_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 cg6_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) { - struct cg6_par *par = (struct cg6_par *) info->par; + struct cg6_par *par = (struct cg6_par *)info->par; struct bt_regs __iomem *bt = par->bt; unsigned long flags; @@ -440,25 +436,24 @@ static int cg6_setcolreg(unsigned regno, } /** - * cg6_blank - Optional function. Blanks the display. - * @blank_mode: the blank mode we want. - * @info: frame buffer structure that represents a single frame buffer + * cg6_blank - Blanks the display. + * + * @blank_mode: the blank mode we want. + * @info: frame buffer structure that represents a single frame buffer */ -static int -cg6_blank(int blank, struct fb_info *info) +static int cg6_blank(int blank, struct fb_info *info) { - struct cg6_par *par = (struct cg6_par *) info->par; + struct cg6_par *par = (struct cg6_par *)info->par; struct cg6_thc __iomem *thc = par->thc; unsigned long flags; u32 val; spin_lock_irqsave(&par->lock, flags); + val = sbus_readl(&thc->thc_misc); switch (blank) { case FB_BLANK_UNBLANK: /* Unblanking */ - val = sbus_readl(&thc->thc_misc); val |= CG6_THC_MISC_VIDEO; - sbus_writel(val, &thc->thc_misc); par->flags &= ~CG6_FLAG_BLANKED; break; @@ -466,13 +461,12 @@ cg6_blank(int blank, struct fb_info *info) case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */ case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */ case FB_BLANK_POWERDOWN: /* Poweroff */ - val = sbus_readl(&thc->thc_misc); val &= ~CG6_THC_MISC_VIDEO; - sbus_writel(val, &thc->thc_misc); par->flags |= CG6_FLAG_BLANKED; break; } + sbus_writel(val, &thc->thc_misc); spin_unlock_irqrestore(&par->lock, flags); return 0; @@ -533,7 +527,7 @@ static int cg6_mmap(struct fb_info *info, struct vm_area_struct *vma) static int cg6_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) { - struct cg6_par *par = (struct cg6_par *) info->par; + struct cg6_par *par = (struct cg6_par *)info->par; return sbusfb_ioctl_helper(cmd, arg, info, FBTYPE_SUNFAST_COLOR, 8, par->fbsize); @@ -543,15 +537,14 @@ static int cg6_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) * Initialisation */ -static void -cg6_init_fix(struct fb_info *info, int linebytes) +static void __devinit cg6_init_fix(struct fb_info *info, int linebytes) { struct cg6_par *par = (struct cg6_par *)info->par; const char *cg6_cpu_name, *cg6_card_name; u32 conf; conf = sbus_readl(par->fhc); - switch(conf & CG6_FHC_CPU_MASK) { + switch (conf & CG6_FHC_CPU_MASK) { case CG6_FHC_CPU_SPARC: cg6_cpu_name = "sparc"; break; @@ -563,21 +556,19 @@ cg6_init_fix(struct fb_info *info, int linebytes) break; }; if (((conf >> CG6_FHC_REV_SHIFT) & CG6_FHC_REV_MASK) >= 11) { - if (par->fbsize <= 0x100000) { + if (par->fbsize <= 0x100000) cg6_card_name = "TGX"; - } else { + else cg6_card_name = "TGX+"; - } } else { - if (par->fbsize <= 0x100000) { + if (par->fbsize <= 0x100000) cg6_card_name = "GX"; - } else { + else cg6_card_name = "GX+"; - } } sprintf(info->fix.id, "%s %s", cg6_card_name, cg6_cpu_name); - info->fix.id[sizeof(info->fix.id)-1] = 0; + info->fix.id[sizeof(info->fix.id) - 1] = 0; info->fix.type = FB_TYPE_PACKED_PIXELS; info->fix.visual = FB_VISUAL_PSEUDOCOLOR; @@ -588,28 +579,28 @@ cg6_init_fix(struct fb_info *info, int linebytes) } /* Initialize Brooktree DAC */ -static void cg6_bt_init(struct cg6_par *par) +static void __devinit cg6_bt_init(struct cg6_par *par) { struct bt_regs __iomem *bt = par->bt; - sbus_writel(0x04 << 24, &bt->addr); /* color planes */ + sbus_writel(0x04 << 24, &bt->addr); /* color planes */ sbus_writel(0xff << 24, &bt->control); sbus_writel(0x05 << 24, &bt->addr); sbus_writel(0x00 << 24, &bt->control); - sbus_writel(0x06 << 24, &bt->addr); /* overlay plane */ + sbus_writel(0x06 << 24, &bt->addr); /* overlay plane */ sbus_writel(0x73 << 24, &bt->control); sbus_writel(0x07 << 24, &bt->addr); sbus_writel(0x00 << 24, &bt->control); } -static void cg6_chip_init(struct fb_info *info) +static void __devinit cg6_chip_init(struct fb_info *info) { - struct cg6_par *par = (struct cg6_par *) info->par; + struct cg6_par *par = (struct cg6_par *)info->par; struct cg6_tec __iomem *tec = par->tec; struct cg6_fbc __iomem *fbc = par->fbc; u32 rev, conf, mode; int i; - + /* Turn off stuff in the Transform Engine. */ sbus_writel(0, &tec->tec_matrix); sbus_writel(0, &tec->tec_clip); @@ -635,13 +626,13 @@ static void cg6_chip_init(struct fb_info *info) i = sbus_readl(&fbc->s); } while (i & 0x10000000); mode &= ~(CG6_FBC_BLIT_MASK | CG6_FBC_MODE_MASK | - CG6_FBC_DRAW_MASK | CG6_FBC_BWRITE0_MASK | - CG6_FBC_BWRITE1_MASK | CG6_FBC_BREAD_MASK | - CG6_FBC_BDISP_MASK); + CG6_FBC_DRAW_MASK | CG6_FBC_BWRITE0_MASK | + CG6_FBC_BWRITE1_MASK | CG6_FBC_BREAD_MASK | + CG6_FBC_BDISP_MASK); mode |= (CG6_FBC_BLIT_SRC | CG6_FBC_MODE_COLOR8 | - CG6_FBC_DRAW_RENDER | CG6_FBC_BWRITE0_ENABLE | - CG6_FBC_BWRITE1_DISABLE | CG6_FBC_BREAD_0 | - CG6_FBC_BDISP_0); + CG6_FBC_DRAW_RENDER | CG6_FBC_BWRITE0_ENABLE | + CG6_FBC_BWRITE1_DISABLE | CG6_FBC_BREAD_0 | + CG6_FBC_BDISP_0); sbus_writel(mode, &fbc->mode); sbus_writel(0, &fbc->clip); @@ -671,7 +662,8 @@ static void cg6_unmap_regs(struct of_device *op, struct fb_info *info, of_iounmap(&op->resource[0], info->screen_base, par->fbsize); } -static int __devinit cg6_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit cg6_probe(struct of_device *op, + const struct of_device_id *match) { struct device_node *dp = op->node; struct fb_info *info; @@ -705,22 +697,22 @@ static int __devinit cg6_probe(struct of_device *op, const struct of_device_id * par->fbsize *= 4; par->fbc = of_ioremap(&op->resource[0], CG6_FBC_OFFSET, - 4096, "cgsix fbc"); + 4096, "cgsix fbc"); par->tec = of_ioremap(&op->resource[0], CG6_TEC_OFFSET, - sizeof(struct cg6_tec), "cgsix tec"); + sizeof(struct cg6_tec), "cgsix tec"); par->thc = of_ioremap(&op->resource[0], CG6_THC_OFFSET, - sizeof(struct cg6_thc), "cgsix thc"); + sizeof(struct cg6_thc), "cgsix thc"); par->bt = of_ioremap(&op->resource[0], CG6_BROOKTREE_OFFSET, - sizeof(struct bt_regs), "cgsix dac"); + sizeof(struct bt_regs), "cgsix dac"); par->fhc = of_ioremap(&op->resource[0], CG6_FHC_OFFSET, - sizeof(u32), "cgsix fhc"); + sizeof(u32), "cgsix fhc"); info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_IMAGEBLIT | - FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; + FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; info->fbops = &cg6_ops; - info->screen_base = of_ioremap(&op->resource[0], CG6_RAM_OFFSET, - par->fbsize, "cgsix ram"); + info->screen_base = of_ioremap(&op->resource[0], CG6_RAM_OFFSET, + par->fbsize, "cgsix ram"); if (!par->fbc || !par->tec || !par->thc || !par->bt || !par->fhc || !info->screen_base) goto out_unmap_regs; 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