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path: root/drivers/video/cirrusfb.c
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Diffstat (limited to 'drivers/video/cirrusfb.c')
-rw-r--r--drivers/video/cirrusfb.c70
1 files changed, 16 insertions, 54 deletions
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c
index e9a2661669eb..620327436082 100644
--- a/drivers/video/cirrusfb.c
+++ b/drivers/video/cirrusfb.c
@@ -146,7 +146,7 @@ static const struct cirrusfb_board_info_rec {
.sr07 = 0xF0,
.sr07_1bpp = 0xF0,
.sr07_8bpp = 0xF1,
- .sr1f = 0x20
+ .sr1f = 0x1E
},
[BT_PICCOLO] = {
.name = "CL Piccolo",
@@ -482,6 +482,7 @@ static int cirrusfb_check_pixclock(const struct fb_var_screeninfo *var,
if (var->bits_per_pixel == 8) {
switch (cinfo->btype) {
case BT_ALPINE:
+ case BT_SD64:
case BT_PICASSO4:
if (freq > 85500)
cinfo->multiplexing = 1;
@@ -492,10 +493,7 @@ static int cirrusfb_check_pixclock(const struct fb_var_screeninfo *var,
break;
default:
- dev_err(info->device,
- "Frequency greater than maxclock (%ld kHz)\n",
- maxclock);
- return -EINVAL;
+ break;
}
}
#if 0
@@ -847,7 +845,8 @@ static int cirrusfb_set_par_foo(struct fb_info *info)
/* formula: VClk = (OSC * N) / (D * (1+P)) */
/* Example: VClk = (14.31818 * 91) / (23 * (1+1)) = 28.325 MHz */
- if (cinfo->btype == BT_ALPINE || cinfo->btype == BT_PICASSO4) {
+ if (cinfo->btype == BT_ALPINE || cinfo->btype == BT_PICASSO4 ||
+ cinfo->btype == BT_SD64) {
/* if freq is close to mclk or mclk/2 select mclk
* as clock source
*/
@@ -966,30 +965,19 @@ static int cirrusfb_set_par_foo(struct fb_info *info)
/* Extended Sequencer Mode */
switch (cinfo->btype) {
- case BT_SD64:
- /* setting the SEQRF on SD64 is not necessary
- * (only during init)
- */
- /* MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x1a);
- break;
case BT_PICCOLO:
case BT_SPECTRUM:
- /* ### ueberall 0x22? */
- /* ##vorher 1c MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x22);
/* evtl d0 bei 1 bit? avoid FIFO underruns..? */
vga_wseq(regbase, CL_SEQRF, 0xb0);
break;
case BT_PICASSO:
- /* ##vorher 22 MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x22);
/* ## vorher d0 avoid FIFO underruns..? */
vga_wseq(regbase, CL_SEQRF, 0xd0);
break;
+ case BT_SD64:
case BT_PICASSO4:
case BT_ALPINE:
case BT_GD5480:
@@ -1051,16 +1039,9 @@ static int cirrusfb_set_par_foo(struct fb_info *info)
}
switch (cinfo->btype) {
- case BT_SD64:
- /* MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x1d);
- break;
-
case BT_PICCOLO:
case BT_PICASSO:
case BT_SPECTRUM:
- /* ### vorher 1c MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x22);
/* Fast Page-Mode writes */
vga_wseq(regbase, CL_SEQRF, 0xb0);
break;
@@ -1074,6 +1055,7 @@ static int cirrusfb_set_par_foo(struct fb_info *info)
/* We already set SRF and SR1F */
break;
+ case BT_SD64:
case BT_GD5480:
case BT_LAGUNA:
case BT_LAGUNAB:
@@ -1104,32 +1086,23 @@ static int cirrusfb_set_par_foo(struct fb_info *info)
else if (var->bits_per_pixel == 16) {
dev_dbg(info->device, "preparing for 16 bit deep display\n");
switch (cinfo->btype) {
- case BT_SD64:
- /* Extended Sequencer Mode: 256c col. mode */
- vga_wseq(regbase, CL_SEQR7, 0xf7);
- /* MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x1e);
- break;
-
case BT_PICCOLO:
case BT_SPECTRUM:
vga_wseq(regbase, CL_SEQR7, 0x87);
/* Fast Page-Mode writes */
vga_wseq(regbase, CL_SEQRF, 0xb0);
- /* MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x22);
break;
case BT_PICASSO:
vga_wseq(regbase, CL_SEQR7, 0x27);
/* Fast Page-Mode writes */
vga_wseq(regbase, CL_SEQRF, 0xb0);
- /* MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x22);
break;
+ case BT_SD64:
case BT_PICASSO4:
case BT_ALPINE:
+ /* Extended Sequencer Mode: 256c col. mode */
vga_wseq(regbase, CL_SEQR7, 0xa7);
break;
@@ -1171,32 +1144,23 @@ static int cirrusfb_set_par_foo(struct fb_info *info)
else if (var->bits_per_pixel == 24) {
dev_dbg(info->device, "preparing for 24 bit deep display\n");
switch (cinfo->btype) {
- case BT_SD64:
- /* Extended Sequencer Mode: 256c col. mode */
- vga_wseq(regbase, CL_SEQR7, 0xf5);
- /* MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x1e);
- break;
-
case BT_PICCOLO:
case BT_SPECTRUM:
vga_wseq(regbase, CL_SEQR7, 0x85);
/* Fast Page-Mode writes */
vga_wseq(regbase, CL_SEQRF, 0xb0);
- /* MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x22);
break;
case BT_PICASSO:
vga_wseq(regbase, CL_SEQR7, 0x25);
/* Fast Page-Mode writes */
vga_wseq(regbase, CL_SEQRF, 0xb0);
- /* MCLK select */
- vga_wseq(regbase, CL_SEQR1F, 0x22);
break;
+ case BT_SD64:
case BT_PICASSO4:
case BT_ALPINE:
+ /* Extended Sequencer Mode: 256c col. mode */
vga_wseq(regbase, CL_SEQR7, 0xa5);
break;
@@ -1353,9 +1317,6 @@ static int cirrusfb_pan_display(struct fb_var_screeninfo *var,
unsigned char tmp, xpix;
struct cirrusfb_info *cinfo = info->par;
- dev_dbg(info->device,
- "virtual offset: (%d,%d)\n", var->xoffset, var->yoffset);
-
/* no range checks for xoffset and yoffset, */
/* as fb_pan_display has already done this */
if (var->vmode & FB_VMODE_YWRAP)
@@ -1607,10 +1568,6 @@ static void init_vgachip(struct fb_info *info)
vga_wseq(cinfo->regbase, CL_SEQR18, 0x02);
}
- /* MCLK select etc. */
- if (bi->init_sr1f)
- vga_wseq(cinfo->regbase, CL_SEQR1F, bi->sr1f);
-
/* Screen A preset row scan: none */
vga_wcrt(cinfo->regbase, VGA_CRTC_PRESET_ROW, 0x00);
/* Text cursor start: disable text cursor */
@@ -2346,6 +2303,11 @@ static int __devinit cirrusfb_zorro_register(struct zorro_dev *z,
zorro_set_drvdata(z, info);
+ /* MCLK select etc. */
+ if (cirrusfb_board_info[btype].init_sr1f)
+ vga_wseq(cinfo->regbase, CL_SEQR1F,
+ cirrusfb_board_info[btype].sr1f);
+
ret = cirrusfb_register(info);
if (!ret)
return 0;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-02 11:42:51 +0300