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path: root/drivers/video/cg6.c
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Diffstat (limited to 'drivers/video/cg6.c')
-rw-r--r--drivers/video/cg6.c294
1 files changed, 166 insertions, 128 deletions
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
index ee9046db9c7..549891d76ef 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>
@@ -38,6 +37,7 @@ static void cg6_fillrect(struct fb_info *, const struct fb_fillrect *);
static int cg6_sync(struct fb_info *);
static int cg6_mmap(struct fb_info *, struct vm_area_struct *);
static int cg6_ioctl(struct fb_info *, unsigned int, unsigned long);
+static void cg6_copyarea(struct fb_info *info, const struct fb_copyarea *area);
/*
* Frame buffer operations
@@ -48,7 +48,7 @@ static struct fb_ops cg6_ops = {
.fb_setcolreg = cg6_setcolreg,
.fb_blank = cg6_blank,
.fb_fillrect = cg6_fillrect,
- .fb_copyarea = cfb_copyarea,
+ .fb_copyarea = cg6_copyarea,
.fb_imageblit = cg6_imageblit,
.fb_sync = cg6_sync,
.fb_mmap = cg6_mmap,
@@ -65,41 +65,41 @@ 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 +150,17 @@ 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 +170,25 @@ 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 +243,10 @@ 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 +267,7 @@ 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;
@@ -281,24 +281,24 @@ 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;
- /* XXX doesn't handle ROP_XOR */
+ /* CG6 doesn't handle ROP_XOR */
spin_lock_irqsave(&par->lock, flags);
+
cg6_sync(info);
+
sbus_writel(rect->color, &fbc->fg);
sbus_writel(~(u32)0, &fbc->pixelm);
sbus_writel(0xea80ff00, &fbc->alu);
@@ -316,16 +316,56 @@ 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_copyarea - Copies one area of the screen to another area.
+ *
+ * @info: frame buffer structure that represents a single frame buffer
+ * @area: Structure providing the data to copy the framebuffer contents
+ * from one region to another.
+ *
+ * This drawing operation copies a rectangular area from one area of the
+ * screen to another area.
+ */
+static void cg6_copyarea(struct fb_info *info, const struct fb_copyarea *area)
+{
+ struct cg6_par *par = (struct cg6_par *)info->par;
+ struct cg6_fbc __iomem *fbc = par->fbc;
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&par->lock, flags);
+
+ cg6_sync(info);
+
+ sbus_writel(0xff, &fbc->fg);
+ sbus_writel(0x00, &fbc->bg);
+ sbus_writel(~0, &fbc->pixelm);
+ sbus_writel(0xe880cccc, &fbc->alu);
+ sbus_writel(0, &fbc->s);
+ sbus_writel(0, &fbc->clip);
+
+ sbus_writel(area->sy, &fbc->y0);
+ sbus_writel(area->sx, &fbc->x0);
+ sbus_writel(area->sy + area->height - 1, &fbc->y1);
+ sbus_writel(area->sx + area->width - 1, &fbc->x1);
+ sbus_writel(area->dy, &fbc->y2);
+ sbus_writel(area->dx, &fbc->x2);
+ sbus_writel(area->dy + area->height - 1, &fbc->y3);
+ sbus_writel(area->dx + area->width - 1, &fbc->x3);
+ do {
+ i = sbus_readl(&fbc->blit);
+ } while (i < 0 && (i & 0x20000000));
+ spin_unlock_irqrestore(&par->lock, flags);
+}
+
+/**
+ * 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 +403,7 @@ 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 +444,20 @@ 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 +481,24 @@ 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 +506,12 @@ 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 +572,7 @@ 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 +582,14 @@ 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 +601,19 @@ 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 +624,28 @@ 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 +671,13 @@ 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 +707,8 @@ 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 +742,23 @@ 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 |
+ FBINFO_READS_FAST;
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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-11 09:32:05 +0000