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Diffstat (limited to 'drivers/video/tcxfb.c')
-rw-r--r--drivers/video/tcxfb.c194
1 files changed, 127 insertions, 67 deletions
diff --git a/drivers/video/tcxfb.c b/drivers/video/tcxfb.c
index c56894a4a..dc23dd405 100644
--- a/drivers/video/tcxfb.c
+++ b/drivers/video/tcxfb.c
@@ -1,4 +1,4 @@
-/* $Id: tcxfb.c,v 1.8 1999/08/10 15:56:26 davem Exp $
+/* $Id: tcxfb.c,v 1.11 1999/11/19 09:57:21 davem Exp $
* tcxfb.c: TCX 24/8bit frame buffer driver
*
* Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
@@ -23,6 +23,7 @@
#include <video/sbusfb.h>
#include <asm/io.h>
+#include <asm/sbus.h>
#include <video/fbcon-cfb8.h>
@@ -85,118 +86,167 @@ static struct sbus_mmap_map tcx_mmap_map[] = {
{ 0, 0, 0 }
};
-static void tcx_set_control_plane (struct fb_info_sbusfb *fb)
+static void __tcx_set_control_plane (struct fb_info_sbusfb *fb)
{
u32 *p, *pend;
p = fb->s.tcx.cplane;
- if (!p) return;
- for (pend = p + fb->type.fb_size; p < pend; p++)
- *p &= 0xffffff;
+ if (p == NULL)
+ return;
+ for (pend = p + fb->type.fb_size; p < pend; p++) {
+ u32 tmp = sbus_readl(p);
+
+ tmp &= 0xffffff;
+ sbus_writel(tmp, p);
+ }
}
static void tcx_switch_from_graph (struct fb_info_sbusfb *fb)
{
+ unsigned long flags;
+
+ spin_lock_irqsave(&fb->lock, flags);
+
/* Reset control plane to 8bit mode if necessary */
if (fb->open && fb->mmaped)
- tcx_set_control_plane (fb);
+ __tcx_set_control_plane (fb);
+
+ spin_unlock_irqrestore(&fb->lock, flags);
}
static void tcx_loadcmap (struct fb_info_sbusfb *fb, struct display *p, int index, int count)
{
struct bt_regs *bt = fb->s.tcx.bt;
+ unsigned long flags;
int i;
- bt->addr = index << 24;
+ spin_lock_irqsave(&fb->lock, flags);
+ sbus_writel(index << 24, &bt->addr);
for (i = index; count--; i++){
- bt->color_map = fb->color_map CM(i,0) << 24;
- bt->color_map = fb->color_map CM(i,1) << 24;
- bt->color_map = fb->color_map CM(i,2) << 24;
+ sbus_writel(fb->color_map CM(i,0) << 24, &bt->color_map);
+ sbus_writel(fb->color_map CM(i,1) << 24, &bt->color_map);
+ sbus_writel(fb->color_map CM(i,2) << 24, &bt->color_map);
}
- bt->addr = 0;
+ sbus_writel(0, &bt->addr);
+ spin_unlock_irqrestore(&fb->lock, flags);
}
static void tcx_restore_palette (struct fb_info_sbusfb *fb)
{
struct bt_regs *bt = fb->s.tcx.bt;
+ unsigned long flags;
- bt->addr = 0;
- bt->color_map = 0xffffffff;
- bt->color_map = 0xffffffff;
- bt->color_map = 0xffffffff;
+ spin_lock_irqsave(&fb->lock, flags);
+ sbus_writel(0, &bt->addr);
+ sbus_writel(0xffffffff, &bt->color_map);
+ sbus_writel(0xffffffff, &bt->color_map);
+ sbus_writel(0xffffffff, &bt->color_map);
+ spin_unlock_irqrestore(&fb->lock, flags);
}
static void tcx_setcursormap (struct fb_info_sbusfb *fb, u8 *red, u8 *green, u8 *blue)
{
struct bt_regs *bt = fb->s.tcx.bt;
+ unsigned long flags;
+
+ spin_lock_irqsave(&fb->lock, flags);
/* Note the 2 << 24 is different from cg6's 1 << 24 */
- bt->addr = 2 << 24;
- bt->cursor = red[0] << 24;
- bt->cursor = green[0] << 24;
- bt->cursor = blue[0] << 24;
- bt->addr = 3 << 24;
- bt->cursor = red[1] << 24;
- bt->cursor = green[1] << 24;
- bt->cursor = blue[1] << 24;
- bt->addr = 0;
+ sbus_writel(2 << 24, &bt->addr);
+ sbus_writel(red[0] << 24, &bt->cursor);
+ sbus_writel(green[0] << 24, &bt->cursor);
+ sbus_writel(blue[0] << 24, &bt->cursor);
+ sbus_writel(3 << 24, &bt->addr);
+ sbus_writel(red[1] << 24, &bt->cursor);
+ sbus_writel(green[1] << 24, &bt->cursor);
+ sbus_writel(blue[1] << 24, &bt->cursor);
+ sbus_writel(0, &bt->addr);
+
+ spin_unlock_irqrestore(&fb->lock, flags);
}
/* Set cursor shape */
static void tcx_setcurshape (struct fb_info_sbusfb *fb)
{
struct tcx_thc *thc = fb->s.tcx.thc;
+ unsigned long flags;
int i;
+ spin_lock_irqsave(&fb->lock, flags);
for (i = 0; i < 32; i++){
- thc->thc_cursmask [i] = fb->cursor.bits[0][i];
- thc->thc_cursbits [i] = fb->cursor.bits[1][i];
+ sbus_writel(fb->cursor.bits[0][i], &thc->thc_cursmask[i]);
+ sbus_writel(fb->cursor.bits[1][i], &thc->thc_cursbits[i]);
}
+ spin_unlock_irqrestore(&fb->lock, flags);
}
/* Load cursor information */
static void tcx_setcursor (struct fb_info_sbusfb *fb)
{
- unsigned int v;
struct cg_cursor *c = &fb->cursor;
+ unsigned long flags;
+ unsigned int v;
+ spin_lock_irqsave(&fb->lock, flags);
if (c->enable)
v = ((c->cpos.fbx - c->chot.fbx) << 16)
|((c->cpos.fby - c->chot.fby) & 0xffff);
else
/* Magic constant to turn off the cursor */
v = ((65536-32) << 16) | (65536-32);
- fb->s.tcx.thc->thc_cursxy = v;
+ sbus_writel(v, &fb->s.tcx.thc->thc_cursxy);
+ spin_unlock_irqrestore(&fb->lock, flags);
}
static void tcx_blank (struct fb_info_sbusfb *fb)
{
- fb->s.tcx.thc->thc_misc &= ~TCX_THC_MISC_VIDEO;
+ unsigned long flags;
+ u32 tmp;
+
+ spin_lock_irqsave(&fb->lock, flags);
+ tmp = sbus_readl(&fb->s.tcx.thc->thc_misc);
+ tmp &= ~TCX_THC_MISC_VIDEO;
/* This should put us in power-save */
- fb->s.tcx.thc->thc_misc |= TCX_THC_MISC_VSYNC_DIS;
- fb->s.tcx.thc->thc_misc |= TCX_THC_MISC_HSYNC_DIS;
+ tmp |= TCX_THC_MISC_VSYNC_DIS;
+ tmp |= TCX_THC_MISC_HSYNC_DIS;
+ sbus_writel(tmp, &fb->s.tcx.thc->thc_misc);
+ spin_unlock_irqrestore(&fb->lock, flags);
}
static void tcx_unblank (struct fb_info_sbusfb *fb)
{
- fb->s.tcx.thc->thc_misc &= ~TCX_THC_MISC_VSYNC_DIS;
- fb->s.tcx.thc->thc_misc &= ~TCX_THC_MISC_HSYNC_DIS;
- fb->s.tcx.thc->thc_misc |= TCX_THC_MISC_VIDEO;
+ unsigned long flags;
+ u32 tmp;
+
+ spin_lock_irqsave(&fb->lock, flags);
+ tmp = sbus_readl(&fb->s.tcx.thc->thc_misc);
+ tmp &= ~TCX_THC_MISC_VSYNC_DIS;
+ tmp &= ~TCX_THC_MISC_HSYNC_DIS;
+ tmp |= TCX_THC_MISC_VIDEO;
+ sbus_writel(tmp, &fb->s.tcx.thc->thc_misc);
+ spin_unlock_irqrestore(&fb->lock, flags);
}
static void tcx_reset (struct fb_info_sbusfb *fb)
{
+ unsigned long flags;
+ u32 tmp;
+
+ spin_lock_irqsave(&fb->lock, flags);
if (fb->open && fb->mmaped)
- tcx_set_control_plane(fb);
+ __tcx_set_control_plane(fb);
/* Turn off stuff in the Transform Engine. */
- fb->s.tcx.tec->tec_matrix = 0;
- fb->s.tcx.tec->tec_clip = 0;
- fb->s.tcx.tec->tec_vdc = 0;
+ sbus_writel(0, &fb->s.tcx.tec->tec_matrix);
+ sbus_writel(0, &fb->s.tcx.tec->tec_clip);
+ sbus_writel(0, &fb->s.tcx.tec->tec_vdc);
/* Enable cursor in Brooktree DAC. */
- fb->s.tcx.bt->addr = 0x06 << 24;
- fb->s.tcx.bt->control |= 0x03 << 24;
+ sbus_writel(0x06 << 24, &fb->s.tcx.bt->addr);
+ tmp = sbus_readl(&fb->s.tcx.bt->control);
+ tmp |= 0x03 << 24;
+ sbus_writel(tmp, &fb->s.tcx.bt->control);
+ spin_unlock_irqrestore(&fb->lock, flags);
}
static void tcx_margins (struct fb_info_sbusfb *fb, struct display *p, int x_margin, int y_margin)
@@ -211,7 +261,8 @@ char __init *tcxfb_init(struct fb_info_sbusfb *fb)
struct fb_fix_screeninfo *fix = &fb->fix;
struct display *disp = &fb->disp;
struct fbtype *type = &fb->type;
- unsigned long phys = fb->sbdp->reg_addrs[0].phys_addr;
+ struct sbus_dev *sdev = fb->sbdp;
+ unsigned long phys = sdev->reg_addrs[0].phys_addr;
int lowdepth, i, j;
#ifndef FBCON_HAS_CFB8
@@ -219,7 +270,7 @@ char __init *tcxfb_init(struct fb_info_sbusfb *fb)
#endif
lowdepth = prom_getbool (fb->prom_node, "tcx-8-bit");
-
+
if (lowdepth) {
strcpy(fb->info.modename, "TCX8");
strcpy(fix->id, "TCX8");
@@ -229,21 +280,27 @@ char __init *tcxfb_init(struct fb_info_sbusfb *fb)
}
fix->line_length = fb->var.xres_virtual;
fix->accel = FB_ACCEL_SUN_TCX;
-
+
disp->scrollmode = SCROLL_YREDRAW;
- if (!disp->screen_base)
- disp->screen_base = (char *)sparc_alloc_io(phys, 0,
- type->fb_size, "tcx_ram", fb->iospace, 0);
+ if (!disp->screen_base) {
+ disp->screen_base = (char *)
+ sbus_ioremap(&sdev->resource[0], 0,
+ type->fb_size, "tcx ram");
+ }
disp->screen_base += fix->line_length * fb->y_margin + fb->x_margin;
- fb->s.tcx.tec = (struct tcx_tec *)sparc_alloc_io(fb->sbdp->reg_addrs[7].phys_addr, 0,
- sizeof(struct tcx_tec), "tcx_tec", fb->iospace, 0);
- fb->s.tcx.thc = (struct tcx_thc *)sparc_alloc_io(fb->sbdp->reg_addrs[9].phys_addr, 0,
- sizeof(struct tcx_thc), "tcx_thc", fb->iospace, 0);
- fb->s.tcx.bt = (struct bt_regs *)sparc_alloc_io(fb->sbdp->reg_addrs[8].phys_addr, 0,
- sizeof(struct bt_regs), "tcx_dac", fb->iospace, 0);
+ fb->s.tcx.tec = (struct tcx_tec *)
+ sbus_ioremap(&sdev->resource[7], 0,
+ sizeof(struct tcx_tec), "tcx tec");
+ fb->s.tcx.thc = (struct tcx_thc *)
+ sbus_ioremap(&sdev->resource[9], 0,
+ sizeof(struct tcx_thc), "tcx thc");
+ fb->s.tcx.bt = (struct bt_regs *)
+ sbus_ioremap(&sdev->resource[8], 0,
+ sizeof(struct bt_regs), "tcx dac");
if (!lowdepth) {
- fb->s.tcx.cplane = (u32 *)sparc_alloc_io(fb->sbdp->reg_addrs[4].phys_addr, 0,
- type->fb_size*4, "tcx_cplane", fb->iospace, 0);
+ fb->s.tcx.cplane = (u32 *)
+ sbus_ioremap(&sdev->resource[4], 0,
+ type->fb_size * sizeof(u32), "tcx cplane");
type->fb_depth = 24;
fb->switch_from_graph = tcx_switch_from_graph;
} else {
@@ -284,19 +341,22 @@ char __init *tcxfb_init(struct fb_info_sbusfb *fb)
fb->mmap_map = tcx_mmap_map;
/* Initialize Brooktree DAC */
- fb->s.tcx.bt->addr = 0x04 << 24; /* color planes */
- fb->s.tcx.bt->control = 0xff << 24;
- fb->s.tcx.bt->addr = 0x05 << 24;
- fb->s.tcx.bt->control = 0x00 << 24;
- fb->s.tcx.bt->addr = 0x06 << 24; /* overlay plane */
- fb->s.tcx.bt->control = 0x73 << 24;
- fb->s.tcx.bt->addr = 0x07 << 24;
- fb->s.tcx.bt->control = 0x00 << 24;
-
- sprintf(idstring, "tcx at %x.%08lx Rev %d.%d %s", fb->iospace, phys,
- (fb->s.tcx.thc->thc_rev >> TCX_THC_REV_REV_SHIFT) & TCX_THC_REV_REV_MASK,
- (fb->s.tcx.thc->thc_rev >> TCX_THC_REV_MINREV_SHIFT) & TCX_THC_REV_MINREV_MASK,
- lowdepth ? "8-bit only" : "24-bit depth");
+ sbus_writel(0x04 << 24, &fb->s.tcx.bt->addr); /* color planes */
+ sbus_writel(0xff << 24, &fb->s.tcx.bt->control);
+ sbus_writel(0x05 << 24, &fb->s.tcx.bt->addr);
+ sbus_writel(0x00 << 24, &fb->s.tcx.bt->control);
+ sbus_writel(0x06 << 24, &fb->s.tcx.bt->addr); /* overlay plane */
+ sbus_writel(0x73 << 24, &fb->s.tcx.bt->control);
+ sbus_writel(0x07 << 24, &fb->s.tcx.bt->addr);
+ sbus_writel(0x00 << 24, &fb->s.tcx.bt->control);
+
+ sprintf(idstring, "tcx at %x.%08lx Rev %d.%d %s",
+ fb->iospace, phys,
+ ((sbus_readl(&fb->s.tcx.thc->thc_rev) >> TCX_THC_REV_REV_SHIFT) &
+ TCX_THC_REV_REV_MASK),
+ ((sbus_readl(&fb->s.tcx.thc->thc_rev) >> TCX_THC_REV_MINREV_SHIFT) &
+ TCX_THC_REV_MINREV_MASK),
+ lowdepth ? "8-bit only" : "24-bit depth");
tcx_reset(fb);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-20 05:33:26 +0000