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@@ -152,10 +152,10 @@
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- hsstrt: Start of horizontal synchronization pulse
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- hsstop: End of horizontal synchronization pulse
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- - htotal: Last value on the line (i.e. line length = htotal+1)
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+ - htotal: Last value on the line (i.e. line length = htotal + 1)
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- vsstrt: Start of vertical synchronization pulse
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- vsstop: End of vertical synchronization pulse
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- - vtotal: Last line value (i.e. number of lines = vtotal+1)
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+ - vtotal: Last line value (i.e. number of lines = vtotal + 1)
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- hcenter: Start of vertical retrace for interlace
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You can specify the blanking timings independently. Currently I just set
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@@ -184,7 +184,7 @@
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clock):
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- diwstrt_h: Horizontal start of the visible window
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- - diwstop_h: Horizontal stop+1(*) of the visible window
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+ - diwstop_h: Horizontal stop + 1(*) of the visible window
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- diwstrt_v: Vertical start of the visible window
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- diwstop_v: Vertical stop of the visible window
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- ddfstrt: Horizontal start of display DMA
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@@ -193,7 +193,7 @@
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Sprite positioning:
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- - sprstrt_h: Horizontal start-4 of sprite
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+ - sprstrt_h: Horizontal start - 4 of sprite
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- sprstrt_v: Vertical start of sprite
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(*) Even Commodore did it wrong in the AGA monitor drivers by not adding 1.
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@@ -212,21 +212,21 @@
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display parameters. Here's what I found out:
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- ddfstrt and ddfstop are best aligned to 64 pixels.
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- - the chipset needs 64+4 horizontal pixels after the DMA start before the
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- first pixel is output, so diwstrt_h = ddfstrt+64+4 if you want to
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- display the first pixel on the line too. Increase diwstrt_h for virtual
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- screen panning.
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+ - the chipset needs 64 + 4 horizontal pixels after the DMA start before
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+ the first pixel is output, so diwstrt_h = ddfstrt + 64 + 4 if you want
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+ to display the first pixel on the line too. Increase diwstrt_h for
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+ virtual screen panning.
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- the display DMA always fetches 64 pixels at a time (fmode = 3).
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- - ddfstop is ddfstrt+#pixels-64.
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- - diwstop_h = diwstrt_h+xres+1. Because of the additional 1 this can be 1
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- more than htotal.
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+ - ddfstop is ddfstrt+#pixels - 64.
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+ - diwstop_h = diwstrt_h + xres + 1. Because of the additional 1 this can
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+ be 1 more than htotal.
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- hscroll simply adds a delay to the display output. Smooth horizontal
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- panning needs an extra 64 pixels on the left to prefetch the pixels that
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- `fall off' on the left.
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+ panning needs an extra 64 pixels on the left to prefetch the pixels that
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+ `fall off' on the left.
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- if ddfstrt < 192, the sprite DMA cycles are all stolen by the bitplane
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- DMA, so it's best to make the DMA start as late as possible.
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+ DMA, so it's best to make the DMA start as late as possible.
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- you really don't want to make ddfstrt < 128, since this will steal DMA
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- cycles from the other DMA channels (audio, floppy and Chip RAM refresh).
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+ cycles from the other DMA channels (audio, floppy and Chip RAM refresh).
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- I make diwstop_h and diwstop_v as large as possible.
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General dependencies
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@@ -234,8 +234,8 @@
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- all values are SHRES pixel (35ns)
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- table 1:fetchstart table 2:prefetch table 3:fetchsize
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- ------------------ ---------------- -----------------
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+ table 1:fetchstart table 2:prefetch table 3:fetchsize
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+ ------------------ ---------------- -----------------
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Pixclock # SHRES|HIRES|LORES # SHRES|HIRES|LORES # SHRES|HIRES|LORES
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-------------#------+-----+------#------+-----+------#------+-----+------
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Bus width 1x # 16 | 32 | 64 # 16 | 32 | 64 # 64 | 64 | 64
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@@ -245,21 +245,21 @@
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- chipset needs 4 pixels before the first pixel is output
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- ddfstrt must be aligned to fetchstart (table 1)
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- chipset needs also prefetch (table 2) to get first pixel data, so
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- ddfstrt = ((diwstrt_h-4) & -fetchstart) - prefetch
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+ ddfstrt = ((diwstrt_h - 4) & -fetchstart) - prefetch
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- for horizontal panning decrease diwstrt_h
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- the length of a fetchline must be aligned to fetchsize (table 3)
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- if fetchstart is smaller than fetchsize, then ddfstrt can a little bit
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- moved to optimize use of dma (useful for OCS/ECS overscan displays)
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- - ddfstop is ddfstrt+ddfsize-fetchsize
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+ moved to optimize use of dma (useful for OCS/ECS overscan displays)
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+ - ddfstop is ddfstrt + ddfsize - fetchsize
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- If C= didn't change anything for AGA, then at following positions the
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- dma bus is already used:
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- ddfstrt < 48 -> memory refresh
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- < 96 -> disk dma
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- < 160 -> audio dma
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- < 192 -> sprite 0 dma
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- < 416 -> sprite dma (32 per sprite)
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+ dma bus is already used:
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+ ddfstrt < 48 -> memory refresh
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+ < 96 -> disk dma
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+ < 160 -> audio dma
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+ < 192 -> sprite 0 dma
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+ < 416 -> sprite dma (32 per sprite)
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- in accordance with the hardware reference manual a hardware stop is at
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- 192, but AGA (ECS?) can go below this.
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+ 192, but AGA (ECS?) can go below this.
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DMA priorities
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--------------
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@@ -269,7 +269,7 @@
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the hardware cursor:
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- if you want to start display DMA too early, you lose the ability to
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- do smooth horizontal panning (xpanstep 1 -> 64).
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+ do smooth horizontal panning (xpanstep 1 -> 64).
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- if you want to go even further, you lose the hardware cursor too.
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IMHO a hardware cursor is more important for X than horizontal scrolling,
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@@ -286,8 +286,8 @@
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Standard VGA timings
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--------------------
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- xres yres left right upper lower hsync vsync
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- ---- ---- ---- ----- ----- ----- ----- -----
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+ xres yres left right upper lower hsync vsync
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+ ---- ---- ---- ----- ----- ----- ----- -----
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80x25 720 400 27 45 35 12 108 2
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80x30 720 480 27 45 30 9 108 2
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@@ -297,8 +297,8 @@
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As a comparison, graphics/monitor.h suggests the following:
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- xres yres left right upper lower hsync vsync
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- ---- ---- ---- ----- ----- ----- ----- -----
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+ xres yres left right upper lower hsync vsync
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+ ---- ---- ---- ----- ----- ----- ----- -----
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VGA 640 480 52 112 24 19 112 - 2 +
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VGA70 640 400 52 112 27 21 112 - 2 -
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@@ -309,10 +309,10 @@
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VSYNC HSYNC Vertical size Vertical total
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----- ----- ------------- --------------
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- + + Reserved Reserved
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- + - 400 414
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- - + 350 362
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- - - 480 496
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+ + + Reserved Reserved
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+ + - 400 414
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+ - + 350 362
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+ - - 480 496
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Source: CL-GD542X Technical Reference Manual, Cirrus Logic, Oct 1992
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@@ -326,33 +326,34 @@
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-----------
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- a scanline is 64 µs long, of which 52.48 µs are visible. This is about
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- 736 visible 70 ns pixels per line.
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+ 736 visible 70 ns pixels per line.
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- we have 625 scanlines, of which 575 are visible (interlaced); after
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- rounding this becomes 576.
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+ rounding this becomes 576.
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RETMA -> NTSC
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-------------
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- a scanline is 63.5 µs long, of which 53.5 µs are visible. This is about
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- 736 visible 70 ns pixels per line.
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+ 736 visible 70 ns pixels per line.
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- we have 525 scanlines, of which 485 are visible (interlaced); after
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- rounding this becomes 484.
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+ rounding this becomes 484.
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Thus if you want a PAL compatible display, you have to do the following:
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- set the FB_SYNC_BROADCAST flag to indicate that standard broadcast
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- timings are to be used.
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- - make sure upper_margin+yres+lower_margin+vsync_len = 625 for an
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- interlaced, 312 for a non-interlaced and 156 for a doublescanned
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- display.
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- - make sure left_margin+xres+right_margin+hsync_len = 1816 for a SHRES,
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- 908 for a HIRES and 454 for a LORES display.
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+ timings are to be used.
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+ - make sure upper_margin + yres + lower_margin + vsync_len = 625 for an
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+ interlaced, 312 for a non-interlaced and 156 for a doublescanned
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+ display.
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+ - make sure left_margin + xres + right_margin + hsync_len = 1816 for a
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+ SHRES, 908 for a HIRES and 454 for a LORES display.
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- the left visible part begins at 360 (SHRES; HIRES:180, LORES:90),
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- left_margin+2*hsync_len must be greater or equal.
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+ left_margin + 2 * hsync_len must be greater or equal.
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- the upper visible part begins at 48 (interlaced; non-interlaced:24,
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- doublescanned:12), upper_margin+2*vsync_len must be greater or equal.
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+ doublescanned:12), upper_margin + 2 * vsync_len must be greater or
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+ equal.
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- ami_encode_var() calculates margins with a hsync of 5320 ns and a vsync
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- of 4 scanlines
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+ of 4 scanlines
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The settings for a NTSC compatible display are straightforward.
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@@ -361,7 +362,7 @@
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anything about horizontal/vertical synchronization nor refresh rates.
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- -- Geert --
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+ -- Geert --
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*******************************************************************************/
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@@ -540,45 +541,45 @@ static u_short maxfmode, chipset;
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* Various macros
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*/
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-#define up2(v) (((v)+1) & -2)
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+#define up2(v) (((v) + 1) & -2)
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#define down2(v) ((v) & -2)
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#define div2(v) ((v)>>1)
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#define mod2(v) ((v) & 1)
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-#define up4(v) (((v)+3) & -4)
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+#define up4(v) (((v) + 3) & -4)
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#define down4(v) ((v) & -4)
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-#define mul4(v) ((v)<<2)
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+#define mul4(v) ((v) << 2)
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#define div4(v) ((v)>>2)
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#define mod4(v) ((v) & 3)
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-#define up8(v) (((v)+7) & -8)
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+#define up8(v) (((v) + 7) & -8)
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#define down8(v) ((v) & -8)
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#define div8(v) ((v)>>3)
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#define mod8(v) ((v) & 7)
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-#define up16(v) (((v)+15) & -16)
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+#define up16(v) (((v) + 15) & -16)
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#define down16(v) ((v) & -16)
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#define div16(v) ((v)>>4)
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#define mod16(v) ((v) & 15)
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-#define up32(v) (((v)+31) & -32)
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+#define up32(v) (((v) + 31) & -32)
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#define down32(v) ((v) & -32)
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#define div32(v) ((v)>>5)
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#define mod32(v) ((v) & 31)
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-#define up64(v) (((v)+63) & -64)
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+#define up64(v) (((v) + 63) & -64)
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#define down64(v) ((v) & -64)
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#define div64(v) ((v)>>6)
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#define mod64(v) ((v) & 63)
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-#define upx(x,v) (((v)+(x)-1) & -(x))
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-#define downx(x,v) ((v) & -(x))
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-#define modx(x,v) ((v) & ((x)-1))
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+#define upx(x, v) (((v) + (x) - 1) & -(x))
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+#define downx(x, v) ((v) & -(x))
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+#define modx(x, v) ((v) & ((x) - 1))
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/* if x1 is not a constant, this macro won't make real sense :-) */
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#ifdef __mc68000__
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#define DIVUL(x1, x2) ({int res; asm("divul %1,%2,%3": "=d" (res): \
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- "d" (x2), "d" ((long)((x1)/0x100000000ULL)), "0" ((long)(x1))); res;})
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+ "d" (x2), "d" ((long)((x1) / 0x100000000ULL)), "0" ((long)(x1))); res;})
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#else
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/* We know a bit about the numbers, so we can do it this way */
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#define DIVUL(x1, x2) ((((long)((unsigned long long)x1 >> 8) / x2) << 8) + \
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@@ -607,7 +608,7 @@ static u_short maxfmode, chipset;
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#define VIDEOMEMSIZE_ECS_1M (393216) /* ECS (1MB) : max 1024*768*16 */
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#define VIDEOMEMSIZE_OCS (262144) /* OCS : max ca. 800*600*16 */
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-#define SPRITEMEMSIZE (64*64/4) /* max 64*64*4 */
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+#define SPRITEMEMSIZE (64 * 64 / 4) /* max 64*64*4 */
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#define DUMMYSPRITEMEMSIZE (8)
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static u_long spritememory;
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@@ -634,9 +635,9 @@ static u_long min_fstrt = 192;
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* Copper Instructions
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*/
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-#define CMOVE(val, reg) (CUSTOM_OFS(reg)<<16 | (val))
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-#define CMOVE2(val, reg) ((CUSTOM_OFS(reg)+2)<<16 | (val))
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-#define CWAIT(x, y) (((y) & 0x1fe)<<23 | ((x) & 0x7f0)<<13 | 0x0001fffe)
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+#define CMOVE(val, reg) (CUSTOM_OFS(reg) << 16 | (val))
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+#define CMOVE2(val, reg) ((CUSTOM_OFS(reg) + 2) << 16 | (val))
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+#define CWAIT(x, y) (((y) & 0x1fe) << 23 | ((x) & 0x7f0) << 13 | 0x0001fffe)
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#define CEND (0xfffffffe)
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@@ -776,11 +777,11 @@ static struct amifb_par {
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static struct fb_info fb_info = {
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- .fix = {
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- .id = "Amiga ",
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- .visual = FB_VISUAL_PSEUDOCOLOR,
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- .accel = FB_ACCEL_AMIGABLITT
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- }
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+ .fix = {
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+ .id = "Amiga ",
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+ .visual = FB_VISUAL_PSEUDOCOLOR,
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+ .accel = FB_ACCEL_AMIGABLITT
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+ }
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};
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@@ -820,116 +821,123 @@ static u_short is_lace = 0; /* Screen is laced */
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static struct fb_videomode ami_modedb[] __initdata = {
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- /*
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- * AmigaOS Video Modes
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- *
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- * If you change these, make sure to update DEFMODE_* as well!
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- */
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-
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- {
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- /* 640x200, 15 kHz, 60 Hz (NTSC) */
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- "ntsc", 60, 640, 200, TAG_HIRES, 106, 86, 44, 16, 76, 2,
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- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
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- }, {
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- /* 640x400, 15 kHz, 60 Hz interlaced (NTSC) */
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- "ntsc-lace", 60, 640, 400, TAG_HIRES, 106, 86, 88, 33, 76, 4,
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- FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
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- }, {
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- /* 640x256, 15 kHz, 50 Hz (PAL) */
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- "pal", 50, 640, 256, TAG_HIRES, 106, 86, 40, 14, 76, 2,
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- FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
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- }, {
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- /* 640x512, 15 kHz, 50 Hz interlaced (PAL) */
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- "pal-lace", 50, 640, 512, TAG_HIRES, 106, 86, 80, 29, 76, 4,
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- FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
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- }, {
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- /* 640x480, 29 kHz, 57 Hz */
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- "multiscan", 57, 640, 480, TAG_SHRES, 96, 112, 29, 8, 72, 8,
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- 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
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- }, {
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- /* 640x960, 29 kHz, 57 Hz interlaced */
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- "multiscan-lace", 57, 640, 960, TAG_SHRES, 96, 112, 58, 16, 72, 16,
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- 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
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- }, {
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- /* 640x200, 15 kHz, 72 Hz */
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- "euro36", 72, 640, 200, TAG_HIRES, 92, 124, 6, 6, 52, 5,
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- 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
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- }, {
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- /* 640x400, 15 kHz, 72 Hz interlaced */
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- "euro36-lace", 72, 640, 400, TAG_HIRES, 92, 124, 12, 12, 52, 10,
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- 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
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- }, {
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- /* 640x400, 29 kHz, 68 Hz */
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- "euro72", 68, 640, 400, TAG_SHRES, 164, 92, 9, 9, 80, 8,
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- 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
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- }, {
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- /* 640x800, 29 kHz, 68 Hz interlaced */
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- "euro72-lace", 68, 640, 800, TAG_SHRES, 164, 92, 18, 18, 80, 16,
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- 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
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- }, {
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- /* 800x300, 23 kHz, 70 Hz */
|
|
|
- "super72", 70, 800, 300, TAG_SHRES, 212, 140, 10, 11, 80, 7,
|
|
|
- 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
- }, {
|
|
|
- /* 800x600, 23 kHz, 70 Hz interlaced */
|
|
|
- "super72-lace", 70, 800, 600, TAG_SHRES, 212, 140, 20, 22, 80, 14,
|
|
|
- 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
- }, {
|
|
|
- /* 640x200, 27 kHz, 57 Hz doublescan */
|
|
|
- "dblntsc", 57, 640, 200, TAG_SHRES, 196, 124, 18, 17, 80, 4,
|
|
|
- 0, FB_VMODE_DOUBLE | FB_VMODE_YWRAP
|
|
|
- }, {
|
|
|
- /* 640x400, 27 kHz, 57 Hz */
|
|
|
- "dblntsc-ff", 57, 640, 400, TAG_SHRES, 196, 124, 36, 35, 80, 7,
|
|
|
- 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
- }, {
|
|
|
- /* 640x800, 27 kHz, 57 Hz interlaced */
|
|
|
- "dblntsc-lace", 57, 640, 800, TAG_SHRES, 196, 124, 72, 70, 80, 14,
|
|
|
- 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
- }, {
|
|
|
- /* 640x256, 27 kHz, 47 Hz doublescan */
|
|
|
- "dblpal", 47, 640, 256, TAG_SHRES, 196, 124, 14, 13, 80, 4,
|
|
|
- 0, FB_VMODE_DOUBLE | FB_VMODE_YWRAP
|
|
|
- }, {
|
|
|
- /* 640x512, 27 kHz, 47 Hz */
|
|
|
- "dblpal-ff", 47, 640, 512, TAG_SHRES, 196, 124, 28, 27, 80, 7,
|
|
|
- 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
- }, {
|
|
|
- /* 640x1024, 27 kHz, 47 Hz interlaced */
|
|
|
- "dblpal-lace", 47, 640, 1024, TAG_SHRES, 196, 124, 56, 54, 80, 14,
|
|
|
- 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
- },
|
|
|
-
|
|
|
- /*
|
|
|
- * VGA Video Modes
|
|
|
- */
|
|
|
-
|
|
|
- {
|
|
|
- /* 640x480, 31 kHz, 60 Hz (VGA) */
|
|
|
- "vga", 60, 640, 480, TAG_SHRES, 64, 96, 30, 9, 112, 2,
|
|
|
- 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
- }, {
|
|
|
- /* 640x400, 31 kHz, 70 Hz (VGA) */
|
|
|
- "vga70", 70, 640, 400, TAG_SHRES, 64, 96, 35, 12, 112, 2,
|
|
|
- FB_SYNC_VERT_HIGH_ACT | FB_SYNC_COMP_HIGH_ACT, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
- },
|
|
|
+ /*
|
|
|
+ * AmigaOS Video Modes
|
|
|
+ *
|
|
|
+ * If you change these, make sure to update DEFMODE_* as well!
|
|
|
+ */
|
|
|
+
|
|
|
+ {
|
|
|
+ /* 640x200, 15 kHz, 60 Hz (NTSC) */
|
|
|
+ "ntsc", 60, 640, 200, TAG_HIRES, 106, 86, 44, 16, 76, 2,
|
|
|
+ FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x400, 15 kHz, 60 Hz interlaced (NTSC) */
|
|
|
+ "ntsc-lace", 60, 640, 400, TAG_HIRES, 106, 86, 88, 33, 76, 4,
|
|
|
+ FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x256, 15 kHz, 50 Hz (PAL) */
|
|
|
+ "pal", 50, 640, 256, TAG_HIRES, 106, 86, 40, 14, 76, 2,
|
|
|
+ FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x512, 15 kHz, 50 Hz interlaced (PAL) */
|
|
|
+ "pal-lace", 50, 640, 512, TAG_HIRES, 106, 86, 80, 29, 76, 4,
|
|
|
+ FB_SYNC_BROADCAST, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x480, 29 kHz, 57 Hz */
|
|
|
+ "multiscan", 57, 640, 480, TAG_SHRES, 96, 112, 29, 8, 72, 8,
|
|
|
+ 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x960, 29 kHz, 57 Hz interlaced */
|
|
|
+ "multiscan-lace", 57, 640, 960, TAG_SHRES, 96, 112, 58, 16, 72,
|
|
|
+ 16,
|
|
|
+ 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x200, 15 kHz, 72 Hz */
|
|
|
+ "euro36", 72, 640, 200, TAG_HIRES, 92, 124, 6, 6, 52, 5,
|
|
|
+ 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x400, 15 kHz, 72 Hz interlaced */
|
|
|
+ "euro36-lace", 72, 640, 400, TAG_HIRES, 92, 124, 12, 12, 52,
|
|
|
+ 10,
|
|
|
+ 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x400, 29 kHz, 68 Hz */
|
|
|
+ "euro72", 68, 640, 400, TAG_SHRES, 164, 92, 9, 9, 80, 8,
|
|
|
+ 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x800, 29 kHz, 68 Hz interlaced */
|
|
|
+ "euro72-lace", 68, 640, 800, TAG_SHRES, 164, 92, 18, 18, 80,
|
|
|
+ 16,
|
|
|
+ 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 800x300, 23 kHz, 70 Hz */
|
|
|
+ "super72", 70, 800, 300, TAG_SHRES, 212, 140, 10, 11, 80, 7,
|
|
|
+ 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 800x600, 23 kHz, 70 Hz interlaced */
|
|
|
+ "super72-lace", 70, 800, 600, TAG_SHRES, 212, 140, 20, 22, 80,
|
|
|
+ 14,
|
|
|
+ 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x200, 27 kHz, 57 Hz doublescan */
|
|
|
+ "dblntsc", 57, 640, 200, TAG_SHRES, 196, 124, 18, 17, 80, 4,
|
|
|
+ 0, FB_VMODE_DOUBLE | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x400, 27 kHz, 57 Hz */
|
|
|
+ "dblntsc-ff", 57, 640, 400, TAG_SHRES, 196, 124, 36, 35, 80, 7,
|
|
|
+ 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x800, 27 kHz, 57 Hz interlaced */
|
|
|
+ "dblntsc-lace", 57, 640, 800, TAG_SHRES, 196, 124, 72, 70, 80,
|
|
|
+ 14,
|
|
|
+ 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x256, 27 kHz, 47 Hz doublescan */
|
|
|
+ "dblpal", 47, 640, 256, TAG_SHRES, 196, 124, 14, 13, 80, 4,
|
|
|
+ 0, FB_VMODE_DOUBLE | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x512, 27 kHz, 47 Hz */
|
|
|
+ "dblpal-ff", 47, 640, 512, TAG_SHRES, 196, 124, 28, 27, 80, 7,
|
|
|
+ 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x1024, 27 kHz, 47 Hz interlaced */
|
|
|
+ "dblpal-lace", 47, 640, 1024, TAG_SHRES, 196, 124, 56, 54, 80,
|
|
|
+ 14,
|
|
|
+ 0, FB_VMODE_INTERLACED | FB_VMODE_YWRAP
|
|
|
+ },
|
|
|
+
|
|
|
+ /*
|
|
|
+ * VGA Video Modes
|
|
|
+ */
|
|
|
+
|
|
|
+ {
|
|
|
+ /* 640x480, 31 kHz, 60 Hz (VGA) */
|
|
|
+ "vga", 60, 640, 480, TAG_SHRES, 64, 96, 30, 9, 112, 2,
|
|
|
+ 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 640x400, 31 kHz, 70 Hz (VGA) */
|
|
|
+ "vga70", 70, 640, 400, TAG_SHRES, 64, 96, 35, 12, 112, 2,
|
|
|
+ FB_SYNC_VERT_HIGH_ACT | FB_SYNC_COMP_HIGH_ACT,
|
|
|
+ FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ },
|
|
|
|
|
|
#if 0
|
|
|
|
|
|
- /*
|
|
|
- * A2024 video modes
|
|
|
- * These modes don't work yet because there's no A2024 driver.
|
|
|
- */
|
|
|
-
|
|
|
- {
|
|
|
- /* 1024x800, 10 Hz */
|
|
|
- "a2024-10", 10, 1024, 800, TAG_HIRES, 0, 0, 0, 0, 0, 0,
|
|
|
- 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
- }, {
|
|
|
- /* 1024x800, 15 Hz */
|
|
|
- "a2024-15", 15, 1024, 800, TAG_HIRES, 0, 0, 0, 0, 0, 0,
|
|
|
- 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
- }
|
|
|
+ /*
|
|
|
+ * A2024 video modes
|
|
|
+ * These modes don't work yet because there's no A2024 driver.
|
|
|
+ */
|
|
|
+
|
|
|
+ {
|
|
|
+ /* 1024x800, 10 Hz */
|
|
|
+ "a2024-10", 10, 1024, 800, TAG_HIRES, 0, 0, 0, 0, 0, 0,
|
|
|
+ 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }, {
|
|
|
+ /* 1024x800, 15 Hz */
|
|
|
+ "a2024-15", 15, 1024, 800, TAG_HIRES, 0, 0, 0, 0, 0, 0,
|
|
|
+ 0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
|
|
|
+ }
|
|
|
#endif
|
|
|
};
|
|
|
|
|
@@ -992,19 +1000,20 @@ static int amifb_inverse = 0;
|
|
|
/* bplcon1 (smooth scrolling) */
|
|
|
|
|
|
#define hscroll2hw(hscroll) \
|
|
|
- (((hscroll)<<12 & 0x3000) | ((hscroll)<<8 & 0xc300) | \
|
|
|
- ((hscroll)<<4 & 0x0c00) | ((hscroll)<<2 & 0x00f0) | ((hscroll)>>2 & 0x000f))
|
|
|
+ (((hscroll) << 12 & 0x3000) | ((hscroll) << 8 & 0xc300) | \
|
|
|
+ ((hscroll) << 4 & 0x0c00) | ((hscroll) << 2 & 0x00f0) | \
|
|
|
+ ((hscroll)>>2 & 0x000f))
|
|
|
|
|
|
/* diwstrt/diwstop/diwhigh (visible display window) */
|
|
|
|
|
|
#define diwstrt2hw(diwstrt_h, diwstrt_v) \
|
|
|
- (((diwstrt_v)<<7 & 0xff00) | ((diwstrt_h)>>2 & 0x00ff))
|
|
|
+ (((diwstrt_v) << 7 & 0xff00) | ((diwstrt_h)>>2 & 0x00ff))
|
|
|
#define diwstop2hw(diwstop_h, diwstop_v) \
|
|
|
- (((diwstop_v)<<7 & 0xff00) | ((diwstop_h)>>2 & 0x00ff))
|
|
|
+ (((diwstop_v) << 7 & 0xff00) | ((diwstop_h)>>2 & 0x00ff))
|
|
|
#define diwhigh2hw(diwstrt_h, diwstrt_v, diwstop_h, diwstop_v) \
|
|
|
- (((diwstop_h)<<3 & 0x2000) | ((diwstop_h)<<11 & 0x1800) | \
|
|
|
+ (((diwstop_h) << 3 & 0x2000) | ((diwstop_h) << 11 & 0x1800) | \
|
|
|
((diwstop_v)>>1 & 0x0700) | ((diwstrt_h)>>5 & 0x0020) | \
|
|
|
- ((diwstrt_h)<<3 & 0x0018) | ((diwstrt_v)>>9 & 0x0007))
|
|
|
+ ((diwstrt_h) << 3 & 0x0018) | ((diwstrt_v)>>9 & 0x0007))
|
|
|
|
|
|
/* ddfstrt/ddfstop (display DMA) */
|
|
|
|
|
@@ -1015,38 +1024,39 @@ static int amifb_inverse = 0;
|
|
|
|
|
|
#define hsstrt2hw(hsstrt) (div8(hsstrt))
|
|
|
#define hsstop2hw(hsstop) (div8(hsstop))
|
|
|
-#define htotal2hw(htotal) (div8(htotal)-1)
|
|
|
+#define htotal2hw(htotal) (div8(htotal) - 1)
|
|
|
#define vsstrt2hw(vsstrt) (div2(vsstrt))
|
|
|
#define vsstop2hw(vsstop) (div2(vsstop))
|
|
|
-#define vtotal2hw(vtotal) (div2(vtotal)-1)
|
|
|
+#define vtotal2hw(vtotal) (div2(vtotal) - 1)
|
|
|
#define hcenter2hw(htotal) (div8(htotal))
|
|
|
|
|
|
/* hbstrt/hbstop/vbstrt/vbstop (blanking timings) */
|
|
|
|
|
|
-#define hbstrt2hw(hbstrt) (((hbstrt)<<8 & 0x0700) | ((hbstrt)>>3 & 0x00ff))
|
|
|
-#define hbstop2hw(hbstop) (((hbstop)<<8 & 0x0700) | ((hbstop)>>3 & 0x00ff))
|
|
|
+#define hbstrt2hw(hbstrt) (((hbstrt) << 8 & 0x0700) | ((hbstrt)>>3 & 0x00ff))
|
|
|
+#define hbstop2hw(hbstop) (((hbstop) << 8 & 0x0700) | ((hbstop)>>3 & 0x00ff))
|
|
|
#define vbstrt2hw(vbstrt) (div2(vbstrt))
|
|
|
#define vbstop2hw(vbstop) (div2(vbstop))
|
|
|
|
|
|
/* colour */
|
|
|
|
|
|
#define rgb2hw8_high(red, green, blue) \
|
|
|
- (((red & 0xf0)<<4) | (green & 0xf0) | ((blue & 0xf0)>>4))
|
|
|
+ (((red & 0xf0) << 4) | (green & 0xf0) | ((blue & 0xf0)>>4))
|
|
|
#define rgb2hw8_low(red, green, blue) \
|
|
|
- (((red & 0x0f)<<8) | ((green & 0x0f)<<4) | (blue & 0x0f))
|
|
|
+ (((red & 0x0f) << 8) | ((green & 0x0f) << 4) | (blue & 0x0f))
|
|
|
#define rgb2hw4(red, green, blue) \
|
|
|
- (((red & 0xf0)<<4) | (green & 0xf0) | ((blue & 0xf0)>>4))
|
|
|
+ (((red & 0xf0) << 4) | (green & 0xf0) | ((blue & 0xf0)>>4))
|
|
|
#define rgb2hw2(red, green, blue) \
|
|
|
- (((red & 0xc0)<<4) | (green & 0xc0) | ((blue & 0xc0)>>4))
|
|
|
+ (((red & 0xc0) << 4) | (green & 0xc0) | ((blue & 0xc0)>>4))
|
|
|
|
|
|
/* sprpos/sprctl (sprite positioning) */
|
|
|
|
|
|
#define spr2hw_pos(start_v, start_h) \
|
|
|
- (((start_v)<<7&0xff00) | ((start_h)>>3&0x00ff))
|
|
|
+ (((start_v) << 7 & 0xff00) | ((start_h)>>3 & 0x00ff))
|
|
|
#define spr2hw_ctl(start_v, start_h, stop_v) \
|
|
|
- (((stop_v)<<7&0xff00) | ((start_v)>>4&0x0040) | ((stop_v)>>5&0x0020) | \
|
|
|
- ((start_h)<<3&0x0018) | ((start_v)>>7&0x0004) | ((stop_v)>>8&0x0002) | \
|
|
|
- ((start_h)>>2&0x0001))
|
|
|
+ (((stop_v) << 7 & 0xff00) | ((start_v)>>4 & 0x0040) | \
|
|
|
+ ((stop_v)>>5 & 0x0020) | ((start_h) << 3 & 0x0018) | \
|
|
|
+ ((start_v)>>7 & 0x0004) | ((stop_v)>>8 & 0x0002) | \
|
|
|
+ ((start_h)>>2 & 0x0001))
|
|
|
|
|
|
/* get current vertical position of beam */
|
|
|
#define get_vbpos() ((u_short)((*(u_long volatile *)&custom.vposr >> 7) & 0xffe))
|
|
@@ -1055,7 +1065,7 @@ static int amifb_inverse = 0;
|
|
|
* Copper Initialisation List
|
|
|
*/
|
|
|
|
|
|
-#define COPINITSIZE (sizeof(copins)*40)
|
|
|
+#define COPINITSIZE (sizeof(copins) * 40)
|
|
|
|
|
|
enum {
|
|
|
cip_bplcon0
|
|
@@ -1066,7 +1076,7 @@ enum {
|
|
|
* Don't change the order, build_copper()/rebuild_copper() rely on this
|
|
|
*/
|
|
|
|
|
|
-#define COPLISTSIZE (sizeof(copins)*64)
|
|
|
+#define COPLISTSIZE (sizeof(copins) * 64)
|
|
|
|
|
|
enum {
|
|
|
cop_wait, cop_bplcon0,
|
|
@@ -1152,9 +1162,9 @@ static void chipfree(void);
|
|
|
*/
|
|
|
|
|
|
static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
- struct amifb_par *par);
|
|
|
+ struct amifb_par *par);
|
|
|
static int ami_encode_var(struct fb_var_screeninfo *var,
|
|
|
- struct amifb_par *par);
|
|
|
+ struct amifb_par *par);
|
|
|
static void ami_pan_var(struct fb_var_screeninfo *var);
|
|
|
static int ami_update_par(void);
|
|
|
static void ami_update_display(void);
|
|
@@ -1238,9 +1248,9 @@ int __init amifb_setup(char *options)
|
|
|
} else if (!strcmp(this_opt, "ilbm"))
|
|
|
amifb_ilbm = 1;
|
|
|
else if (!strncmp(this_opt, "monitorcap:", 11))
|
|
|
- amifb_setup_mcap(this_opt+11);
|
|
|
+ amifb_setup_mcap(this_opt + 11);
|
|
|
else if (!strncmp(this_opt, "fstart:", 7))
|
|
|
- min_fstrt = simple_strtoul(this_opt+7, NULL, 0);
|
|
|
+ min_fstrt = simple_strtoul(this_opt + 7, NULL, 0);
|
|
|
else
|
|
|
mode_option = this_opt;
|
|
|
}
|
|
@@ -1295,20 +1305,20 @@ static int amifb_set_par(struct fb_info *info)
|
|
|
info->fix.type = FB_TYPE_PLANES;
|
|
|
info->fix.type_aux = 0;
|
|
|
}
|
|
|
- info->fix.line_length = div8(upx(16<<maxfmode, par->vxres));
|
|
|
+ info->fix.line_length = div8(upx(16 << maxfmode, par->vxres));
|
|
|
|
|
|
if (par->vmode & FB_VMODE_YWRAP) {
|
|
|
info->fix.ywrapstep = 1;
|
|
|
info->fix.xpanstep = 0;
|
|
|
info->fix.ypanstep = 0;
|
|
|
info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YWRAP |
|
|
|
- FBINFO_READS_FAST; /* override SCROLL_REDRAW */
|
|
|
+ FBINFO_READS_FAST; /* override SCROLL_REDRAW */
|
|
|
} else {
|
|
|
info->fix.ywrapstep = 0;
|
|
|
if (par->vmode & FB_VMODE_SMOOTH_XPAN)
|
|
|
info->fix.xpanstep = 1;
|
|
|
else
|
|
|
- info->fix.xpanstep = 16<<maxfmode;
|
|
|
+ info->fix.xpanstep = 16 << maxfmode;
|
|
|
info->fix.ypanstep = 1;
|
|
|
info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
|
|
|
}
|
|
@@ -1327,15 +1337,16 @@ static int amifb_pan_display(struct fb_var_screeninfo *var,
|
|
|
{
|
|
|
if (var->vmode & FB_VMODE_YWRAP) {
|
|
|
if (var->yoffset < 0 ||
|
|
|
- var->yoffset >= info->var.yres_virtual || var->xoffset)
|
|
|
- return -EINVAL;
|
|
|
+ var->yoffset >= info->var.yres_virtual || var->xoffset)
|
|
|
+ return -EINVAL;
|
|
|
} else {
|
|
|
/*
|
|
|
* TODO: There will be problems when xpan!=1, so some columns
|
|
|
* on the right side will never be seen
|
|
|
*/
|
|
|
- if (var->xoffset+info->var.xres > upx(16<<maxfmode, info->var.xres_virtual) ||
|
|
|
- var->yoffset+info->var.yres > info->var.yres_virtual)
|
|
|
+ if (var->xoffset + info->var.xres >
|
|
|
+ upx(16 << maxfmode, info->var.xres_virtual) ||
|
|
|
+ var->yoffset + info->var.yres > info->var.yres_virtual)
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
ami_pan_var(var);
|
|
@@ -1360,10 +1371,10 @@ static int amifb_pan_display(struct fb_var_screeninfo *var,
|
|
|
#endif
|
|
|
|
|
|
|
|
|
- /*
|
|
|
- * Compose two values, using a bitmask as decision value
|
|
|
- * This is equivalent to (a & mask) | (b & ~mask)
|
|
|
- */
|
|
|
+ /*
|
|
|
+ * Compose two values, using a bitmask as decision value
|
|
|
+ * This is equivalent to (a & mask) | (b & ~mask)
|
|
|
+ */
|
|
|
|
|
|
static inline unsigned long comp(unsigned long a, unsigned long b,
|
|
|
unsigned long mask)
|
|
@@ -1379,29 +1390,29 @@ static inline unsigned long xor(unsigned long a, unsigned long b,
|
|
|
}
|
|
|
|
|
|
|
|
|
- /*
|
|
|
- * Unaligned forward bit copy using 32-bit or 64-bit memory accesses
|
|
|
- */
|
|
|
+ /*
|
|
|
+ * Unaligned forward bit copy using 32-bit or 64-bit memory accesses
|
|
|
+ */
|
|
|
|
|
|
static void bitcpy(unsigned long *dst, int dst_idx, const unsigned long *src,
|
|
|
int src_idx, u32 n)
|
|
|
{
|
|
|
unsigned long first, last;
|
|
|
- int shift = dst_idx-src_idx, left, right;
|
|
|
+ int shift = dst_idx - src_idx, left, right;
|
|
|
unsigned long d0, d1;
|
|
|
int m;
|
|
|
|
|
|
if (!n)
|
|
|
return;
|
|
|
|
|
|
- shift = dst_idx-src_idx;
|
|
|
+ shift = dst_idx - src_idx;
|
|
|
first = ~0UL >> dst_idx;
|
|
|
- last = ~(~0UL >> ((dst_idx+n) % BITS_PER_LONG));
|
|
|
+ last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));
|
|
|
|
|
|
if (!shift) {
|
|
|
// Same alignment for source and dest
|
|
|
|
|
|
- if (dst_idx+n <= BITS_PER_LONG) {
|
|
|
+ if (dst_idx + n <= BITS_PER_LONG) {
|
|
|
// Single word
|
|
|
if (last)
|
|
|
first &= last;
|
|
@@ -1413,7 +1424,7 @@ static void bitcpy(unsigned long *dst, int dst_idx, const unsigned long *src,
|
|
|
*dst = comp(*src, *dst, first);
|
|
|
dst++;
|
|
|
src++;
|
|
|
- n -= BITS_PER_LONG-dst_idx;
|
|
|
+ n -= BITS_PER_LONG - dst_idx;
|
|
|
}
|
|
|
|
|
|
// Main chunk
|
|
@@ -1439,17 +1450,17 @@ static void bitcpy(unsigned long *dst, int dst_idx, const unsigned long *src,
|
|
|
} else {
|
|
|
// Different alignment for source and dest
|
|
|
|
|
|
- right = shift & (BITS_PER_LONG-1);
|
|
|
- left = -shift & (BITS_PER_LONG-1);
|
|
|
+ right = shift & (BITS_PER_LONG - 1);
|
|
|
+ left = -shift & (BITS_PER_LONG - 1);
|
|
|
|
|
|
- if (dst_idx+n <= BITS_PER_LONG) {
|
|
|
+ if (dst_idx + n <= BITS_PER_LONG) {
|
|
|
// Single destination word
|
|
|
if (last)
|
|
|
first &= last;
|
|
|
if (shift > 0) {
|
|
|
// Single source word
|
|
|
*dst = comp(*src >> right, *dst, first);
|
|
|
- } else if (src_idx+n <= BITS_PER_LONG) {
|
|
|
+ } else if (src_idx + n <= BITS_PER_LONG) {
|
|
|
// Single source word
|
|
|
*dst = comp(*src << left, *dst, first);
|
|
|
} else {
|
|
@@ -1467,7 +1478,7 @@ static void bitcpy(unsigned long *dst, int dst_idx, const unsigned long *src,
|
|
|
// Single source word
|
|
|
*dst = comp(d0 >> right, *dst, first);
|
|
|
dst++;
|
|
|
- n -= BITS_PER_LONG-dst_idx;
|
|
|
+ n -= BITS_PER_LONG - dst_idx;
|
|
|
} else {
|
|
|
// 2 source words
|
|
|
d1 = *src++;
|
|
@@ -1475,7 +1486,7 @@ static void bitcpy(unsigned long *dst, int dst_idx, const unsigned long *src,
|
|
|
first);
|
|
|
d0 = d1;
|
|
|
dst++;
|
|
|
- n -= BITS_PER_LONG-dst_idx;
|
|
|
+ n -= BITS_PER_LONG - dst_idx;
|
|
|
}
|
|
|
|
|
|
// Main chunk
|
|
@@ -1519,40 +1530,40 @@ static void bitcpy(unsigned long *dst, int dst_idx, const unsigned long *src,
|
|
|
}
|
|
|
|
|
|
|
|
|
- /*
|
|
|
- * Unaligned reverse bit copy using 32-bit or 64-bit memory accesses
|
|
|
- */
|
|
|
+ /*
|
|
|
+ * Unaligned reverse bit copy using 32-bit or 64-bit memory accesses
|
|
|
+ */
|
|
|
|
|
|
static void bitcpy_rev(unsigned long *dst, int dst_idx,
|
|
|
const unsigned long *src, int src_idx, u32 n)
|
|
|
{
|
|
|
unsigned long first, last;
|
|
|
- int shift = dst_idx-src_idx, left, right;
|
|
|
+ int shift = dst_idx - src_idx, left, right;
|
|
|
unsigned long d0, d1;
|
|
|
int m;
|
|
|
|
|
|
if (!n)
|
|
|
return;
|
|
|
|
|
|
- dst += (n-1)/BITS_PER_LONG;
|
|
|
- src += (n-1)/BITS_PER_LONG;
|
|
|
- if ((n-1) % BITS_PER_LONG) {
|
|
|
- dst_idx += (n-1) % BITS_PER_LONG;
|
|
|
+ dst += (n - 1) / BITS_PER_LONG;
|
|
|
+ src += (n - 1) / BITS_PER_LONG;
|
|
|
+ if ((n - 1) % BITS_PER_LONG) {
|
|
|
+ dst_idx += (n - 1) % BITS_PER_LONG;
|
|
|
dst += dst_idx >> SHIFT_PER_LONG;
|
|
|
- dst_idx &= BITS_PER_LONG-1;
|
|
|
- src_idx += (n-1) % BITS_PER_LONG;
|
|
|
+ dst_idx &= BITS_PER_LONG - 1;
|
|
|
+ src_idx += (n - 1) % BITS_PER_LONG;
|
|
|
src += src_idx >> SHIFT_PER_LONG;
|
|
|
- src_idx &= BITS_PER_LONG-1;
|
|
|
+ src_idx &= BITS_PER_LONG - 1;
|
|
|
}
|
|
|
|
|
|
- shift = dst_idx-src_idx;
|
|
|
- first = ~0UL << (BITS_PER_LONG-1-dst_idx);
|
|
|
- last = ~(~0UL << (BITS_PER_LONG-1-((dst_idx-n) % BITS_PER_LONG)));
|
|
|
+ shift = dst_idx - src_idx;
|
|
|
+ first = ~0UL << (BITS_PER_LONG - 1 - dst_idx);
|
|
|
+ last = ~(~0UL << (BITS_PER_LONG - 1 - ((dst_idx - n) % BITS_PER_LONG)));
|
|
|
|
|
|
if (!shift) {
|
|
|
// Same alignment for source and dest
|
|
|
|
|
|
- if ((unsigned long)dst_idx+1 >= n) {
|
|
|
+ if ((unsigned long)dst_idx + 1 >= n) {
|
|
|
// Single word
|
|
|
if (last)
|
|
|
first &= last;
|
|
@@ -1564,7 +1575,7 @@ static void bitcpy_rev(unsigned long *dst, int dst_idx,
|
|
|
*dst = comp(*src, *dst, first);
|
|
|
dst--;
|
|
|
src--;
|
|
|
- n -= dst_idx+1;
|
|
|
+ n -= dst_idx + 1;
|
|
|
}
|
|
|
|
|
|
// Main chunk
|
|
@@ -1590,17 +1601,17 @@ static void bitcpy_rev(unsigned long *dst, int dst_idx,
|
|
|
} else {
|
|
|
// Different alignment for source and dest
|
|
|
|
|
|
- right = shift & (BITS_PER_LONG-1);
|
|
|
- left = -shift & (BITS_PER_LONG-1);
|
|
|
+ right = shift & (BITS_PER_LONG - 1);
|
|
|
+ left = -shift & (BITS_PER_LONG - 1);
|
|
|
|
|
|
- if ((unsigned long)dst_idx+1 >= n) {
|
|
|
+ if ((unsigned long)dst_idx + 1 >= n) {
|
|
|
// Single destination word
|
|
|
if (last)
|
|
|
first &= last;
|
|
|
if (shift < 0) {
|
|
|
// Single source word
|
|
|
*dst = comp(*src << left, *dst, first);
|
|
|
- } else if (1+(unsigned long)src_idx >= n) {
|
|
|
+ } else if (1 + (unsigned long)src_idx >= n) {
|
|
|
// Single source word
|
|
|
*dst = comp(*src >> right, *dst, first);
|
|
|
} else {
|
|
@@ -1618,7 +1629,7 @@ static void bitcpy_rev(unsigned long *dst, int dst_idx,
|
|
|
// Single source word
|
|
|
*dst = comp(d0 << left, *dst, first);
|
|
|
dst--;
|
|
|
- n -= dst_idx+1;
|
|
|
+ n -= dst_idx + 1;
|
|
|
} else {
|
|
|
// 2 source words
|
|
|
d1 = *src--;
|
|
@@ -1626,7 +1637,7 @@ static void bitcpy_rev(unsigned long *dst, int dst_idx,
|
|
|
first);
|
|
|
d0 = d1;
|
|
|
dst--;
|
|
|
- n -= dst_idx+1;
|
|
|
+ n -= dst_idx + 1;
|
|
|
}
|
|
|
|
|
|
// Main chunk
|
|
@@ -1670,30 +1681,30 @@ static void bitcpy_rev(unsigned long *dst, int dst_idx,
|
|
|
}
|
|
|
|
|
|
|
|
|
- /*
|
|
|
- * Unaligned forward inverting bit copy using 32-bit or 64-bit memory
|
|
|
- * accesses
|
|
|
- */
|
|
|
+ /*
|
|
|
+ * Unaligned forward inverting bit copy using 32-bit or 64-bit memory
|
|
|
+ * accesses
|
|
|
+ */
|
|
|
|
|
|
static void bitcpy_not(unsigned long *dst, int dst_idx,
|
|
|
const unsigned long *src, int src_idx, u32 n)
|
|
|
{
|
|
|
unsigned long first, last;
|
|
|
- int shift = dst_idx-src_idx, left, right;
|
|
|
+ int shift = dst_idx - src_idx, left, right;
|
|
|
unsigned long d0, d1;
|
|
|
int m;
|
|
|
|
|
|
if (!n)
|
|
|
return;
|
|
|
|
|
|
- shift = dst_idx-src_idx;
|
|
|
+ shift = dst_idx - src_idx;
|
|
|
first = ~0UL >> dst_idx;
|
|
|
- last = ~(~0UL >> ((dst_idx+n) % BITS_PER_LONG));
|
|
|
+ last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));
|
|
|
|
|
|
if (!shift) {
|
|
|
// Same alignment for source and dest
|
|
|
|
|
|
- if (dst_idx+n <= BITS_PER_LONG) {
|
|
|
+ if (dst_idx + n <= BITS_PER_LONG) {
|
|
|
// Single word
|
|
|
if (last)
|
|
|
first &= last;
|
|
@@ -1705,7 +1716,7 @@ static void bitcpy_not(unsigned long *dst, int dst_idx,
|
|
|
*dst = comp(~*src, *dst, first);
|
|
|
dst++;
|
|
|
src++;
|
|
|
- n -= BITS_PER_LONG-dst_idx;
|
|
|
+ n -= BITS_PER_LONG - dst_idx;
|
|
|
}
|
|
|
|
|
|
// Main chunk
|
|
@@ -1731,17 +1742,17 @@ static void bitcpy_not(unsigned long *dst, int dst_idx,
|
|
|
} else {
|
|
|
// Different alignment for source and dest
|
|
|
|
|
|
- right = shift & (BITS_PER_LONG-1);
|
|
|
- left = -shift & (BITS_PER_LONG-1);
|
|
|
+ right = shift & (BITS_PER_LONG - 1);
|
|
|
+ left = -shift & (BITS_PER_LONG - 1);
|
|
|
|
|
|
- if (dst_idx+n <= BITS_PER_LONG) {
|
|
|
+ if (dst_idx + n <= BITS_PER_LONG) {
|
|
|
// Single destination word
|
|
|
if (last)
|
|
|
first &= last;
|
|
|
if (shift > 0) {
|
|
|
// Single source word
|
|
|
*dst = comp(~*src >> right, *dst, first);
|
|
|
- } else if (src_idx+n <= BITS_PER_LONG) {
|
|
|
+ } else if (src_idx + n <= BITS_PER_LONG) {
|
|
|
// Single source word
|
|
|
*dst = comp(~*src << left, *dst, first);
|
|
|
} else {
|
|
@@ -1759,7 +1770,7 @@ static void bitcpy_not(unsigned long *dst, int dst_idx,
|
|
|
// Single source word
|
|
|
*dst = comp(d0 >> right, *dst, first);
|
|
|
dst++;
|
|
|
- n -= BITS_PER_LONG-dst_idx;
|
|
|
+ n -= BITS_PER_LONG - dst_idx;
|
|
|
} else {
|
|
|
// 2 source words
|
|
|
d1 = ~*src++;
|
|
@@ -1767,7 +1778,7 @@ static void bitcpy_not(unsigned long *dst, int dst_idx,
|
|
|
first);
|
|
|
d0 = d1;
|
|
|
dst++;
|
|
|
- n -= BITS_PER_LONG-dst_idx;
|
|
|
+ n -= BITS_PER_LONG - dst_idx;
|
|
|
}
|
|
|
|
|
|
// Main chunk
|
|
@@ -1811,9 +1822,9 @@ static void bitcpy_not(unsigned long *dst, int dst_idx,
|
|
|
}
|
|
|
|
|
|
|
|
|
- /*
|
|
|
- * Unaligned 32-bit pattern fill using 32/64-bit memory accesses
|
|
|
- */
|
|
|
+ /*
|
|
|
+ * Unaligned 32-bit pattern fill using 32/64-bit memory accesses
|
|
|
+ */
|
|
|
|
|
|
static void bitfill32(unsigned long *dst, int dst_idx, u32 pat, u32 n)
|
|
|
{
|
|
@@ -1828,9 +1839,9 @@ static void bitfill32(unsigned long *dst, int dst_idx, u32 pat, u32 n)
|
|
|
#endif
|
|
|
|
|
|
first = ~0UL >> dst_idx;
|
|
|
- last = ~(~0UL >> ((dst_idx+n) % BITS_PER_LONG));
|
|
|
+ last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));
|
|
|
|
|
|
- if (dst_idx+n <= BITS_PER_LONG) {
|
|
|
+ if (dst_idx + n <= BITS_PER_LONG) {
|
|
|
// Single word
|
|
|
if (last)
|
|
|
first &= last;
|
|
@@ -1841,7 +1852,7 @@ static void bitfill32(unsigned long *dst, int dst_idx, u32 pat, u32 n)
|
|
|
if (first) {
|
|
|
*dst = comp(val, *dst, first);
|
|
|
dst++;
|
|
|
- n -= BITS_PER_LONG-dst_idx;
|
|
|
+ n -= BITS_PER_LONG - dst_idx;
|
|
|
}
|
|
|
|
|
|
// Main chunk
|
|
@@ -1867,9 +1878,9 @@ static void bitfill32(unsigned long *dst, int dst_idx, u32 pat, u32 n)
|
|
|
}
|
|
|
|
|
|
|
|
|
- /*
|
|
|
- * Unaligned 32-bit pattern xor using 32/64-bit memory accesses
|
|
|
- */
|
|
|
+ /*
|
|
|
+ * Unaligned 32-bit pattern xor using 32/64-bit memory accesses
|
|
|
+ */
|
|
|
|
|
|
static void bitxor32(unsigned long *dst, int dst_idx, u32 pat, u32 n)
|
|
|
{
|
|
@@ -1884,9 +1895,9 @@ static void bitxor32(unsigned long *dst, int dst_idx, u32 pat, u32 n)
|
|
|
#endif
|
|
|
|
|
|
first = ~0UL >> dst_idx;
|
|
|
- last = ~(~0UL >> ((dst_idx+n) % BITS_PER_LONG));
|
|
|
+ last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));
|
|
|
|
|
|
- if (dst_idx+n <= BITS_PER_LONG) {
|
|
|
+ if (dst_idx + n <= BITS_PER_LONG) {
|
|
|
// Single word
|
|
|
if (last)
|
|
|
first &= last;
|
|
@@ -1897,7 +1908,7 @@ static void bitxor32(unsigned long *dst, int dst_idx, u32 pat, u32 n)
|
|
|
if (first) {
|
|
|
*dst = xor(val, *dst, first);
|
|
|
dst++;
|
|
|
- n -= BITS_PER_LONG-dst_idx;
|
|
|
+ n -= BITS_PER_LONG - dst_idx;
|
|
|
}
|
|
|
|
|
|
// Main chunk
|
|
@@ -1924,12 +1935,12 @@ static inline void fill_one_line(int bpp, unsigned long next_plane,
|
|
|
{
|
|
|
while (1) {
|
|
|
dst += dst_idx >> SHIFT_PER_LONG;
|
|
|
- dst_idx &= (BITS_PER_LONG-1);
|
|
|
+ dst_idx &= (BITS_PER_LONG - 1);
|
|
|
bitfill32(dst, dst_idx, color & 1 ? ~0 : 0, n);
|
|
|
if (!--bpp)
|
|
|
break;
|
|
|
color >>= 1;
|
|
|
- dst_idx += next_plane*8;
|
|
|
+ dst_idx += next_plane * 8;
|
|
|
}
|
|
|
}
|
|
|
|
|
@@ -1939,12 +1950,12 @@ static inline void xor_one_line(int bpp, unsigned long next_plane,
|
|
|
{
|
|
|
while (color) {
|
|
|
dst += dst_idx >> SHIFT_PER_LONG;
|
|
|
- dst_idx &= (BITS_PER_LONG-1);
|
|
|
+ dst_idx &= (BITS_PER_LONG - 1);
|
|
|
bitxor32(dst, dst_idx, color & 1 ? ~0 : 0, n);
|
|
|
if (!--bpp)
|
|
|
break;
|
|
|
color >>= 1;
|
|
|
- dst_idx += next_plane*8;
|
|
|
+ dst_idx += next_plane * 8;
|
|
|
}
|
|
|
}
|
|
|
|
|
@@ -1972,23 +1983,23 @@ static void amifb_fillrect(struct fb_info *info,
|
|
|
height = y2 - rect->dy;
|
|
|
|
|
|
dst = (unsigned long *)
|
|
|
- ((unsigned long)info->screen_base & ~(BYTES_PER_LONG-1));
|
|
|
- dst_idx = ((unsigned long)info->screen_base & (BYTES_PER_LONG-1))*8;
|
|
|
- dst_idx += rect->dy*par->next_line*8+rect->dx;
|
|
|
+ ((unsigned long)info->screen_base & ~(BYTES_PER_LONG - 1));
|
|
|
+ dst_idx = ((unsigned long)info->screen_base & (BYTES_PER_LONG - 1)) * 8;
|
|
|
+ dst_idx += rect->dy * par->next_line * 8 + rect->dx;
|
|
|
while (height--) {
|
|
|
switch (rect->rop) {
|
|
|
- case ROP_COPY:
|
|
|
+ case ROP_COPY:
|
|
|
fill_one_line(info->var.bits_per_pixel,
|
|
|
par->next_plane, dst, dst_idx, width,
|
|
|
rect->color);
|
|
|
break;
|
|
|
|
|
|
- case ROP_XOR:
|
|
|
+ case ROP_XOR:
|
|
|
xor_one_line(info->var.bits_per_pixel, par->next_plane,
|
|
|
dst, dst_idx, width, rect->color);
|
|
|
break;
|
|
|
}
|
|
|
- dst_idx += par->next_line*8;
|
|
|
+ dst_idx += par->next_line * 8;
|
|
|
}
|
|
|
}
|
|
|
|
|
@@ -1998,14 +2009,14 @@ static inline void copy_one_line(int bpp, unsigned long next_plane,
|
|
|
{
|
|
|
while (1) {
|
|
|
dst += dst_idx >> SHIFT_PER_LONG;
|
|
|
- dst_idx &= (BITS_PER_LONG-1);
|
|
|
+ dst_idx &= (BITS_PER_LONG - 1);
|
|
|
src += src_idx >> SHIFT_PER_LONG;
|
|
|
- src_idx &= (BITS_PER_LONG-1);
|
|
|
+ src_idx &= (BITS_PER_LONG - 1);
|
|
|
bitcpy(dst, dst_idx, src, src_idx, n);
|
|
|
if (!--bpp)
|
|
|
break;
|
|
|
- dst_idx += next_plane*8;
|
|
|
- src_idx += next_plane*8;
|
|
|
+ dst_idx += next_plane * 8;
|
|
|
+ src_idx += next_plane * 8;
|
|
|
}
|
|
|
}
|
|
|
|
|
@@ -2015,14 +2026,14 @@ static inline void copy_one_line_rev(int bpp, unsigned long next_plane,
|
|
|
{
|
|
|
while (1) {
|
|
|
dst += dst_idx >> SHIFT_PER_LONG;
|
|
|
- dst_idx &= (BITS_PER_LONG-1);
|
|
|
+ dst_idx &= (BITS_PER_LONG - 1);
|
|
|
src += src_idx >> SHIFT_PER_LONG;
|
|
|
- src_idx &= (BITS_PER_LONG-1);
|
|
|
+ src_idx &= (BITS_PER_LONG - 1);
|
|
|
bitcpy_rev(dst, dst_idx, src, src_idx, n);
|
|
|
if (!--bpp)
|
|
|
break;
|
|
|
- dst_idx += next_plane*8;
|
|
|
- src_idx += next_plane*8;
|
|
|
+ dst_idx += next_plane * 8;
|
|
|
+ src_idx += next_plane * 8;
|
|
|
}
|
|
|
}
|
|
|
|
|
@@ -2065,16 +2076,16 @@ static void amifb_copyarea(struct fb_info *info,
|
|
|
rev_copy = 1;
|
|
|
}
|
|
|
dst = (unsigned long *)
|
|
|
- ((unsigned long)info->screen_base & ~(BYTES_PER_LONG-1));
|
|
|
+ ((unsigned long)info->screen_base & ~(BYTES_PER_LONG - 1));
|
|
|
src = dst;
|
|
|
- dst_idx = ((unsigned long)info->screen_base & (BYTES_PER_LONG-1))*8;
|
|
|
+ dst_idx = ((unsigned long)info->screen_base & (BYTES_PER_LONG - 1)) * 8;
|
|
|
src_idx = dst_idx;
|
|
|
- dst_idx += dy*par->next_line*8+dx;
|
|
|
- src_idx += sy*par->next_line*8+sx;
|
|
|
+ dst_idx += dy * par->next_line * 8 + dx;
|
|
|
+ src_idx += sy * par->next_line * 8 + sx;
|
|
|
if (rev_copy) {
|
|
|
while (height--) {
|
|
|
- dst_idx -= par->next_line*8;
|
|
|
- src_idx -= par->next_line*8;
|
|
|
+ dst_idx -= par->next_line * 8;
|
|
|
+ src_idx -= par->next_line * 8;
|
|
|
copy_one_line_rev(info->var.bits_per_pixel,
|
|
|
par->next_plane, dst, dst_idx, src,
|
|
|
src_idx, width);
|
|
@@ -2084,8 +2095,8 @@ static void amifb_copyarea(struct fb_info *info,
|
|
|
copy_one_line(info->var.bits_per_pixel,
|
|
|
par->next_plane, dst, dst_idx, src,
|
|
|
src_idx, width);
|
|
|
- dst_idx += par->next_line*8;
|
|
|
- src_idx += par->next_line*8;
|
|
|
+ dst_idx += par->next_line * 8;
|
|
|
+ src_idx += par->next_line * 8;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
@@ -2095,28 +2106,29 @@ static inline void expand_one_line(int bpp, unsigned long next_plane,
|
|
|
unsigned long *dst, int dst_idx, u32 n,
|
|
|
const u8 *data, u32 bgcolor, u32 fgcolor)
|
|
|
{
|
|
|
- const unsigned long *src;
|
|
|
- int src_idx;
|
|
|
-
|
|
|
- while (1) {
|
|
|
- dst += dst_idx >> SHIFT_PER_LONG;
|
|
|
- dst_idx &= (BITS_PER_LONG-1);
|
|
|
- if ((bgcolor ^ fgcolor) & 1) {
|
|
|
- src = (unsigned long *)((unsigned long)data & ~(BYTES_PER_LONG-1));
|
|
|
- src_idx = ((unsigned long)data & (BYTES_PER_LONG-1))*8;
|
|
|
- if (fgcolor & 1)
|
|
|
- bitcpy(dst, dst_idx, src, src_idx, n);
|
|
|
- else
|
|
|
- bitcpy_not(dst, dst_idx, src, src_idx, n);
|
|
|
- /* set or clear */
|
|
|
- } else
|
|
|
- bitfill32(dst, dst_idx, fgcolor & 1 ? ~0 : 0, n);
|
|
|
- if (!--bpp)
|
|
|
- break;
|
|
|
- bgcolor >>= 1;
|
|
|
- fgcolor >>= 1;
|
|
|
- dst_idx += next_plane*8;
|
|
|
- }
|
|
|
+ const unsigned long *src;
|
|
|
+ int src_idx;
|
|
|
+
|
|
|
+ while (1) {
|
|
|
+ dst += dst_idx >> SHIFT_PER_LONG;
|
|
|
+ dst_idx &= (BITS_PER_LONG - 1);
|
|
|
+ if ((bgcolor ^ fgcolor) & 1) {
|
|
|
+ src = (unsigned long *)
|
|
|
+ ((unsigned long)data & ~(BYTES_PER_LONG - 1));
|
|
|
+ src_idx = ((unsigned long)data & (BYTES_PER_LONG - 1)) * 8;
|
|
|
+ if (fgcolor & 1)
|
|
|
+ bitcpy(dst, dst_idx, src, src_idx, n);
|
|
|
+ else
|
|
|
+ bitcpy_not(dst, dst_idx, src, src_idx, n);
|
|
|
+ /* set or clear */
|
|
|
+ } else
|
|
|
+ bitfill32(dst, dst_idx, fgcolor & 1 ? ~0 : 0, n);
|
|
|
+ if (!--bpp)
|
|
|
+ break;
|
|
|
+ bgcolor >>= 1;
|
|
|
+ fgcolor >>= 1;
|
|
|
+ dst_idx += next_plane * 8;
|
|
|
+ }
|
|
|
}
|
|
|
|
|
|
|
|
@@ -2145,17 +2157,17 @@ static void amifb_imageblit(struct fb_info *info, const struct fb_image *image)
|
|
|
|
|
|
if (image->depth == 1) {
|
|
|
dst = (unsigned long *)
|
|
|
- ((unsigned long)info->screen_base & ~(BYTES_PER_LONG-1));
|
|
|
- dst_idx = ((unsigned long)info->screen_base & (BYTES_PER_LONG-1))*8;
|
|
|
- dst_idx += dy*par->next_line*8+dx;
|
|
|
+ ((unsigned long)info->screen_base & ~(BYTES_PER_LONG - 1));
|
|
|
+ dst_idx = ((unsigned long)info->screen_base & (BYTES_PER_LONG - 1)) * 8;
|
|
|
+ dst_idx += dy * par->next_line * 8 + dx;
|
|
|
src = image->data;
|
|
|
- pitch = (image->width+7)/8;
|
|
|
+ pitch = (image->width + 7) / 8;
|
|
|
while (height--) {
|
|
|
expand_one_line(info->var.bits_per_pixel,
|
|
|
par->next_plane, dst, dst_idx, width,
|
|
|
src, image->bg_color,
|
|
|
image->fg_color);
|
|
|
- dst_idx += par->next_line*8;
|
|
|
+ dst_idx += par->next_line * 8;
|
|
|
src += pitch;
|
|
|
}
|
|
|
} else {
|
|
@@ -2182,39 +2194,38 @@ static int amifb_ioctl(struct fb_info *info,
|
|
|
int i;
|
|
|
|
|
|
switch (cmd) {
|
|
|
- case FBIOGET_FCURSORINFO:
|
|
|
- i = ami_get_fix_cursorinfo(&crsr.fix);
|
|
|
- if (i)
|
|
|
- return i;
|
|
|
- return copy_to_user(argp, &crsr.fix,
|
|
|
- sizeof(crsr.fix)) ? -EFAULT : 0;
|
|
|
-
|
|
|
- case FBIOGET_VCURSORINFO:
|
|
|
- i = ami_get_var_cursorinfo(&crsr.var,
|
|
|
- ((struct fb_var_cursorinfo __user *)arg)->data);
|
|
|
- if (i)
|
|
|
- return i;
|
|
|
- return copy_to_user(argp, &crsr.var,
|
|
|
- sizeof(crsr.var)) ? -EFAULT : 0;
|
|
|
-
|
|
|
- case FBIOPUT_VCURSORINFO:
|
|
|
- if (copy_from_user(&crsr.var, argp, sizeof(crsr.var)))
|
|
|
- return -EFAULT;
|
|
|
- return ami_set_var_cursorinfo(&crsr.var,
|
|
|
- ((struct fb_var_cursorinfo __user *)arg)->data);
|
|
|
-
|
|
|
- case FBIOGET_CURSORSTATE:
|
|
|
- i = ami_get_cursorstate(&crsr.state);
|
|
|
- if (i)
|
|
|
- return i;
|
|
|
- return copy_to_user(argp, &crsr.state,
|
|
|
- sizeof(crsr.state)) ? -EFAULT : 0;
|
|
|
-
|
|
|
- case FBIOPUT_CURSORSTATE:
|
|
|
- if (copy_from_user(&crsr.state, argp,
|
|
|
- sizeof(crsr.state)))
|
|
|
- return -EFAULT;
|
|
|
- return ami_set_cursorstate(&crsr.state);
|
|
|
+ case FBIOGET_FCURSORINFO:
|
|
|
+ i = ami_get_fix_cursorinfo(&crsr.fix);
|
|
|
+ if (i)
|
|
|
+ return i;
|
|
|
+ return copy_to_user(argp, &crsr.fix,
|
|
|
+ sizeof(crsr.fix)) ? -EFAULT : 0;
|
|
|
+
|
|
|
+ case FBIOGET_VCURSORINFO:
|
|
|
+ i = ami_get_var_cursorinfo(&crsr.var,
|
|
|
+ ((struct fb_var_cursorinfo __user *)arg)->data);
|
|
|
+ if (i)
|
|
|
+ return i;
|
|
|
+ return copy_to_user(argp, &crsr.var,
|
|
|
+ sizeof(crsr.var)) ? -EFAULT : 0;
|
|
|
+
|
|
|
+ case FBIOPUT_VCURSORINFO:
|
|
|
+ if (copy_from_user(&crsr.var, argp, sizeof(crsr.var)))
|
|
|
+ return -EFAULT;
|
|
|
+ return ami_set_var_cursorinfo(&crsr.var,
|
|
|
+ ((struct fb_var_cursorinfo __user *)arg)->data);
|
|
|
+
|
|
|
+ case FBIOGET_CURSORSTATE:
|
|
|
+ i = ami_get_cursorstate(&crsr.state);
|
|
|
+ if (i)
|
|
|
+ return i;
|
|
|
+ return copy_to_user(argp, &crsr.state,
|
|
|
+ sizeof(crsr.state)) ? -EFAULT : 0;
|
|
|
+
|
|
|
+ case FBIOPUT_CURSORSTATE:
|
|
|
+ if (copy_from_user(&crsr.state, argp, sizeof(crsr.state)))
|
|
|
+ return -EFAULT;
|
|
|
+ return ami_set_cursorstate(&crsr.state);
|
|
|
}
|
|
|
return -EINVAL;
|
|
|
}
|
|
@@ -2267,69 +2278,68 @@ static int __init amifb_probe(struct platform_device *pdev)
|
|
|
|
|
|
switch (amiga_chipset) {
|
|
|
#ifdef CONFIG_FB_AMIGA_OCS
|
|
|
- case CS_OCS:
|
|
|
- strcat(fb_info.fix.id, "OCS");
|
|
|
+ case CS_OCS:
|
|
|
+ strcat(fb_info.fix.id, "OCS");
|
|
|
default_chipset:
|
|
|
- chipset = TAG_OCS;
|
|
|
- maxdepth[TAG_SHRES] = 0; /* OCS means no SHRES */
|
|
|
- maxdepth[TAG_HIRES] = 4;
|
|
|
- maxdepth[TAG_LORES] = 6;
|
|
|
- maxfmode = TAG_FMODE_1;
|
|
|
- defmode = amiga_vblank == 50 ? DEFMODE_PAL
|
|
|
- : DEFMODE_NTSC;
|
|
|
- fb_info.fix.smem_len = VIDEOMEMSIZE_OCS;
|
|
|
- break;
|
|
|
+ chipset = TAG_OCS;
|
|
|
+ maxdepth[TAG_SHRES] = 0; /* OCS means no SHRES */
|
|
|
+ maxdepth[TAG_HIRES] = 4;
|
|
|
+ maxdepth[TAG_LORES] = 6;
|
|
|
+ maxfmode = TAG_FMODE_1;
|
|
|
+ defmode = amiga_vblank == 50 ? DEFMODE_PAL : DEFMODE_NTSC;
|
|
|
+ fb_info.fix.smem_len = VIDEOMEMSIZE_OCS;
|
|
|
+ break;
|
|
|
#endif /* CONFIG_FB_AMIGA_OCS */
|
|
|
|
|
|
#ifdef CONFIG_FB_AMIGA_ECS
|
|
|
- case CS_ECS:
|
|
|
- strcat(fb_info.fix.id, "ECS");
|
|
|
- chipset = TAG_ECS;
|
|
|
- maxdepth[TAG_SHRES] = 2;
|
|
|
- maxdepth[TAG_HIRES] = 4;
|
|
|
- maxdepth[TAG_LORES] = 6;
|
|
|
- maxfmode = TAG_FMODE_1;
|
|
|
- if (AMIGAHW_PRESENT(AMBER_FF))
|
|
|
- defmode = amiga_vblank == 50 ? DEFMODE_AMBER_PAL
|
|
|
- : DEFMODE_AMBER_NTSC;
|
|
|
- else
|
|
|
- defmode = amiga_vblank == 50 ? DEFMODE_PAL
|
|
|
- : DEFMODE_NTSC;
|
|
|
- if (amiga_chip_avail()-CHIPRAM_SAFETY_LIMIT >
|
|
|
- VIDEOMEMSIZE_ECS_2M)
|
|
|
- fb_info.fix.smem_len = VIDEOMEMSIZE_ECS_2M;
|
|
|
- else
|
|
|
- fb_info.fix.smem_len = VIDEOMEMSIZE_ECS_1M;
|
|
|
- break;
|
|
|
+ case CS_ECS:
|
|
|
+ strcat(fb_info.fix.id, "ECS");
|
|
|
+ chipset = TAG_ECS;
|
|
|
+ maxdepth[TAG_SHRES] = 2;
|
|
|
+ maxdepth[TAG_HIRES] = 4;
|
|
|
+ maxdepth[TAG_LORES] = 6;
|
|
|
+ maxfmode = TAG_FMODE_1;
|
|
|
+ if (AMIGAHW_PRESENT(AMBER_FF))
|
|
|
+ defmode = amiga_vblank == 50 ? DEFMODE_AMBER_PAL
|
|
|
+ : DEFMODE_AMBER_NTSC;
|
|
|
+ else
|
|
|
+ defmode = amiga_vblank == 50 ? DEFMODE_PAL
|
|
|
+ : DEFMODE_NTSC;
|
|
|
+ if (amiga_chip_avail() - CHIPRAM_SAFETY_LIMIT >
|
|
|
+ VIDEOMEMSIZE_ECS_2M)
|
|
|
+ fb_info.fix.smem_len = VIDEOMEMSIZE_ECS_2M;
|
|
|
+ else
|
|
|
+ fb_info.fix.smem_len = VIDEOMEMSIZE_ECS_1M;
|
|
|
+ break;
|
|
|
#endif /* CONFIG_FB_AMIGA_ECS */
|
|
|
|
|
|
#ifdef CONFIG_FB_AMIGA_AGA
|
|
|
- case CS_AGA:
|
|
|
- strcat(fb_info.fix.id, "AGA");
|
|
|
- chipset = TAG_AGA;
|
|
|
- maxdepth[TAG_SHRES] = 8;
|
|
|
- maxdepth[TAG_HIRES] = 8;
|
|
|
- maxdepth[TAG_LORES] = 8;
|
|
|
- maxfmode = TAG_FMODE_4;
|
|
|
- defmode = DEFMODE_AGA;
|
|
|
- if (amiga_chip_avail()-CHIPRAM_SAFETY_LIMIT >
|
|
|
- VIDEOMEMSIZE_AGA_2M)
|
|
|
- fb_info.fix.smem_len = VIDEOMEMSIZE_AGA_2M;
|
|
|
- else
|
|
|
- fb_info.fix.smem_len = VIDEOMEMSIZE_AGA_1M;
|
|
|
- break;
|
|
|
+ case CS_AGA:
|
|
|
+ strcat(fb_info.fix.id, "AGA");
|
|
|
+ chipset = TAG_AGA;
|
|
|
+ maxdepth[TAG_SHRES] = 8;
|
|
|
+ maxdepth[TAG_HIRES] = 8;
|
|
|
+ maxdepth[TAG_LORES] = 8;
|
|
|
+ maxfmode = TAG_FMODE_4;
|
|
|
+ defmode = DEFMODE_AGA;
|
|
|
+ if (amiga_chip_avail() - CHIPRAM_SAFETY_LIMIT >
|
|
|
+ VIDEOMEMSIZE_AGA_2M)
|
|
|
+ fb_info.fix.smem_len = VIDEOMEMSIZE_AGA_2M;
|
|
|
+ else
|
|
|
+ fb_info.fix.smem_len = VIDEOMEMSIZE_AGA_1M;
|
|
|
+ break;
|
|
|
#endif /* CONFIG_FB_AMIGA_AGA */
|
|
|
|
|
|
- default:
|
|
|
+ default:
|
|
|
#ifdef CONFIG_FB_AMIGA_OCS
|
|
|
- printk("Unknown graphics chipset, defaulting to OCS\n");
|
|
|
- strcat(fb_info.fix.id, "Unknown");
|
|
|
- goto default_chipset;
|
|
|
+ printk("Unknown graphics chipset, defaulting to OCS\n");
|
|
|
+ strcat(fb_info.fix.id, "Unknown");
|
|
|
+ goto default_chipset;
|
|
|
#else /* CONFIG_FB_AMIGA_OCS */
|
|
|
- err = -ENODEV;
|
|
|
- goto amifb_error;
|
|
|
+ err = -ENODEV;
|
|
|
+ goto amifb_error;
|
|
|
#endif /* CONFIG_FB_AMIGA_OCS */
|
|
|
- break;
|
|
|
+ break;
|
|
|
}
|
|
|
|
|
|
/*
|
|
@@ -2360,10 +2370,10 @@ default_chipset:
|
|
|
* These monitor specs are for a typical Amiga monitor (e.g. A1960)
|
|
|
*/
|
|
|
if (fb_info.monspecs.hfmin == 0) {
|
|
|
- fb_info.monspecs.hfmin = 15000;
|
|
|
- fb_info.monspecs.hfmax = 38000;
|
|
|
- fb_info.monspecs.vfmin = 49;
|
|
|
- fb_info.monspecs.vfmax = 90;
|
|
|
+ fb_info.monspecs.hfmin = 15000;
|
|
|
+ fb_info.monspecs.hfmax = 38000;
|
|
|
+ fb_info.monspecs.vfmin = 49;
|
|
|
+ fb_info.monspecs.vfmax = 90;
|
|
|
}
|
|
|
|
|
|
fb_info.fbops = &amifb_ops;
|
|
@@ -2381,11 +2391,9 @@ default_chipset:
|
|
|
&fb_info.modelist);
|
|
|
|
|
|
round_down_bpp = 0;
|
|
|
- chipptr = chipalloc(fb_info.fix.smem_len+
|
|
|
- SPRITEMEMSIZE+
|
|
|
- DUMMYSPRITEMEMSIZE+
|
|
|
- COPINITSIZE+
|
|
|
- 4*COPLISTSIZE);
|
|
|
+ chipptr = chipalloc(fb_info.fix.smem_len + SPRITEMEMSIZE +
|
|
|
+ DUMMYSPRITEMEMSIZE + COPINITSIZE +
|
|
|
+ 4 * COPLISTSIZE);
|
|
|
if (!chipptr) {
|
|
|
err = -ENOMEM;
|
|
|
goto amifb_error;
|
|
@@ -2419,7 +2427,7 @@ default_chipset:
|
|
|
*/
|
|
|
|
|
|
custom.dmacon = DMAF_SETCLR | DMAF_MASTER | DMAF_RASTER | DMAF_COPPER |
|
|
|
- DMAF_BLITTER | DMAF_SPRITE;
|
|
|
+ DMAF_BLITTER | DMAF_SPRITE;
|
|
|
|
|
|
/*
|
|
|
* Make sure the Copper has something to do
|
|
@@ -2428,12 +2436,12 @@ default_chipset:
|
|
|
ami_init_copper();
|
|
|
|
|
|
if (request_irq(IRQ_AMIGA_COPPER, amifb_interrupt, 0,
|
|
|
- "fb vertb handler", ¤tpar)) {
|
|
|
+ "fb vertb handler", ¤tpar)) {
|
|
|
err = -EBUSY;
|
|
|
goto amifb_error;
|
|
|
}
|
|
|
|
|
|
- err = fb_alloc_cmap(&fb_info.cmap, 1<<fb_info.var.bits_per_pixel, 0);
|
|
|
+ err = fb_alloc_cmap(&fb_info.cmap, 1 << fb_info.var.bits_per_pixel, 0);
|
|
|
if (err)
|
|
|
goto amifb_error;
|
|
|
|
|
@@ -2459,7 +2467,7 @@ static void amifb_deinit(struct platform_device *pdev)
|
|
|
fb_dealloc_cmap(&fb_info.cmap);
|
|
|
chipfree();
|
|
|
if (videomemory)
|
|
|
- iounmap((void*)videomemory);
|
|
|
+ iounmap((void *)videomemory);
|
|
|
custom.dmacon = DMAF_ALL | DMAF_MASTER;
|
|
|
}
|
|
|
|
|
@@ -2539,7 +2547,7 @@ static irqreturn_t amifb_interrupt(int irq, void *dev_id)
|
|
|
*/
|
|
|
|
|
|
static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
- struct amifb_par *par)
|
|
|
+ struct amifb_par *par)
|
|
|
{
|
|
|
u_short clk_shift, line_shift;
|
|
|
u_long maxfetchstop, fstrt, fsize, fconst, xres_n, yres_n;
|
|
@@ -2606,23 +2614,23 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
|
|
|
par->vmode = var->vmode | FB_VMODE_SMOOTH_XPAN;
|
|
|
switch (par->vmode & FB_VMODE_MASK) {
|
|
|
- case FB_VMODE_INTERLACED:
|
|
|
- line_shift = 0;
|
|
|
- break;
|
|
|
- case FB_VMODE_NONINTERLACED:
|
|
|
- line_shift = 1;
|
|
|
- break;
|
|
|
- case FB_VMODE_DOUBLE:
|
|
|
- if (!IS_AGA) {
|
|
|
- DPRINTK("double mode only possible with aga\n");
|
|
|
- return -EINVAL;
|
|
|
- }
|
|
|
- line_shift = 2;
|
|
|
- break;
|
|
|
- default:
|
|
|
- DPRINTK("unknown video mode\n");
|
|
|
+ case FB_VMODE_INTERLACED:
|
|
|
+ line_shift = 0;
|
|
|
+ break;
|
|
|
+ case FB_VMODE_NONINTERLACED:
|
|
|
+ line_shift = 1;
|
|
|
+ break;
|
|
|
+ case FB_VMODE_DOUBLE:
|
|
|
+ if (!IS_AGA) {
|
|
|
+ DPRINTK("double mode only possible with aga\n");
|
|
|
return -EINVAL;
|
|
|
- break;
|
|
|
+ }
|
|
|
+ line_shift = 2;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ DPRINTK("unknown video mode\n");
|
|
|
+ return -EINVAL;
|
|
|
+ break;
|
|
|
}
|
|
|
par->line_shift = line_shift;
|
|
|
|
|
@@ -2630,26 +2638,31 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
* Vertical and Horizontal Timings
|
|
|
*/
|
|
|
|
|
|
- xres_n = par->xres<<clk_shift;
|
|
|
- yres_n = par->yres<<line_shift;
|
|
|
- par->htotal = down8((var->left_margin+par->xres+var->right_margin+var->hsync_len)<<clk_shift);
|
|
|
- par->vtotal = down2(((var->upper_margin+par->yres+var->lower_margin+var->vsync_len)<<line_shift)+1);
|
|
|
+ xres_n = par->xres << clk_shift;
|
|
|
+ yres_n = par->yres << line_shift;
|
|
|
+ par->htotal = down8((var->left_margin + par->xres + var->right_margin +
|
|
|
+ var->hsync_len) << clk_shift);
|
|
|
+ par->vtotal =
|
|
|
+ down2(((var->upper_margin + par->yres + var->lower_margin +
|
|
|
+ var->vsync_len) << line_shift) + 1);
|
|
|
|
|
|
if (IS_AGA)
|
|
|
par->bplcon3 = sprpixmode[clk_shift];
|
|
|
else
|
|
|
par->bplcon3 = 0;
|
|
|
if (var->sync & FB_SYNC_BROADCAST) {
|
|
|
- par->diwstop_h = par->htotal-((var->right_margin-var->hsync_len)<<clk_shift);
|
|
|
+ par->diwstop_h = par->htotal -
|
|
|
+ ((var->right_margin - var->hsync_len) << clk_shift);
|
|
|
if (IS_AGA)
|
|
|
par->diwstop_h += mod4(var->hsync_len);
|
|
|
else
|
|
|
par->diwstop_h = down4(par->diwstop_h);
|
|
|
|
|
|
par->diwstrt_h = par->diwstop_h - xres_n;
|
|
|
- par->diwstop_v = par->vtotal-((var->lower_margin-var->vsync_len)<<line_shift);
|
|
|
+ par->diwstop_v = par->vtotal -
|
|
|
+ ((var->lower_margin - var->vsync_len) << line_shift);
|
|
|
par->diwstrt_v = par->diwstop_v - yres_n;
|
|
|
- if (par->diwstop_h >= par->htotal+8) {
|
|
|
+ if (par->diwstop_h >= par->htotal + 8) {
|
|
|
DPRINTK("invalid diwstop_h\n");
|
|
|
return -EINVAL;
|
|
|
}
|
|
@@ -2670,7 +2683,7 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
par->vsstrt = 0;
|
|
|
par->vsstop = 0;
|
|
|
}
|
|
|
- if (par->vtotal > (PAL_VTOTAL+NTSC_VTOTAL)/2) {
|
|
|
+ if (par->vtotal > (PAL_VTOTAL + NTSC_VTOTAL) / 2) {
|
|
|
/* PAL video mode */
|
|
|
if (par->htotal != PAL_HTOTAL) {
|
|
|
DPRINTK("htotal invalid for pal\n");
|
|
@@ -2690,7 +2703,7 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
par->beamcon0 = BMC0_PAL;
|
|
|
par->bplcon3 |= BPC3_BRDRBLNK;
|
|
|
} else if (AMIGAHW_PRESENT(AGNUS_HR_PAL) ||
|
|
|
- AMIGAHW_PRESENT(AGNUS_HR_NTSC)) {
|
|
|
+ AMIGAHW_PRESENT(AGNUS_HR_NTSC)) {
|
|
|
par->beamcon0 = BMC0_PAL;
|
|
|
par->hsstop = 1;
|
|
|
} else if (amiga_vblank != 50) {
|
|
@@ -2720,7 +2733,7 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
par->beamcon0 = 0;
|
|
|
par->bplcon3 |= BPC3_BRDRBLNK;
|
|
|
} else if (AMIGAHW_PRESENT(AGNUS_HR_PAL) ||
|
|
|
- AMIGAHW_PRESENT(AGNUS_HR_NTSC)) {
|
|
|
+ AMIGAHW_PRESENT(AGNUS_HR_NTSC)) {
|
|
|
par->beamcon0 = 0;
|
|
|
par->hsstop = 1;
|
|
|
} else if (amiga_vblank != 60) {
|
|
@@ -2737,8 +2750,8 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
}
|
|
|
} else if (!IS_OCS) {
|
|
|
/* Programmable video mode */
|
|
|
- par->hsstrt = var->right_margin<<clk_shift;
|
|
|
- par->hsstop = (var->right_margin+var->hsync_len)<<clk_shift;
|
|
|
+ par->hsstrt = var->right_margin << clk_shift;
|
|
|
+ par->hsstop = (var->right_margin + var->hsync_len) << clk_shift;
|
|
|
par->diwstop_h = par->htotal - mod8(par->hsstrt) + 8 - (1 << clk_shift);
|
|
|
if (!IS_AGA)
|
|
|
par->diwstop_h = down4(par->diwstop_h) - 16;
|
|
@@ -2748,8 +2761,8 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
if (par->hbstrt >= par->htotal + 8)
|
|
|
par->hbstrt -= par->htotal;
|
|
|
par->hcenter = par->hsstrt + (par->htotal >> 1);
|
|
|
- par->vsstrt = var->lower_margin<<line_shift;
|
|
|
- par->vsstop = (var->lower_margin+var->vsync_len)<<line_shift;
|
|
|
+ par->vsstrt = var->lower_margin << line_shift;
|
|
|
+ par->vsstop = (var->lower_margin + var->vsync_len) << line_shift;
|
|
|
par->diwstop_v = par->vtotal;
|
|
|
if ((par->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED)
|
|
|
par->diwstop_v -= 2;
|
|
@@ -2766,8 +2779,8 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
}
|
|
|
par->bplcon3 |= BPC3_EXTBLKEN;
|
|
|
par->beamcon0 = BMC0_HARDDIS | BMC0_VARVBEN | BMC0_LOLDIS |
|
|
|
- BMC0_VARVSYEN | BMC0_VARHSYEN | BMC0_VARBEAMEN |
|
|
|
- BMC0_PAL | BMC0_VARCSYEN;
|
|
|
+ BMC0_VARVSYEN | BMC0_VARHSYEN | BMC0_VARBEAMEN |
|
|
|
+ BMC0_PAL | BMC0_VARCSYEN;
|
|
|
if (var->sync & FB_SYNC_HOR_HIGH_ACT)
|
|
|
par->beamcon0 |= BMC0_HSYTRUE;
|
|
|
if (var->sync & FB_SYNC_VERT_HIGH_ACT)
|
|
@@ -2785,7 +2798,7 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
* Checking the DMA timing
|
|
|
*/
|
|
|
|
|
|
- fconst = 16<<maxfmode<<clk_shift;
|
|
|
+ fconst = 16 << maxfmode << clk_shift;
|
|
|
|
|
|
/*
|
|
|
* smallest window start value without turn off other dma cycles
|
|
@@ -2793,8 +2806,8 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
*/
|
|
|
|
|
|
|
|
|
- fsize = ((maxfmode+clk_shift <= 1) ? fconst : 64);
|
|
|
- fstrt = downx(fconst, par->diwstrt_h-4) - fsize;
|
|
|
+ fsize = ((maxfmode + clk_shift <= 1) ? fconst : 64);
|
|
|
+ fstrt = downx(fconst, par->diwstrt_h - 4) - fsize;
|
|
|
if (fstrt < min_fstrt) {
|
|
|
DPRINTK("fetch start too low\n");
|
|
|
return -EINVAL;
|
|
@@ -2804,14 +2817,16 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
* smallest window start value where smooth scrolling is possible
|
|
|
*/
|
|
|
|
|
|
- fstrt = downx(fconst, par->diwstrt_h-fconst+(1<<clk_shift)-4) - fsize;
|
|
|
+ fstrt = downx(fconst, par->diwstrt_h - fconst + (1 << clk_shift) - 4) -
|
|
|
+ fsize;
|
|
|
if (fstrt < min_fstrt)
|
|
|
par->vmode &= ~FB_VMODE_SMOOTH_XPAN;
|
|
|
|
|
|
maxfetchstop = down16(par->htotal - 80);
|
|
|
|
|
|
- fstrt = downx(fconst, par->diwstrt_h-4) - 64 - fconst;
|
|
|
- fsize = upx(fconst, xres_n + modx(fconst, downx(1<<clk_shift, par->diwstrt_h-4)));
|
|
|
+ fstrt = downx(fconst, par->diwstrt_h - 4) - 64 - fconst;
|
|
|
+ fsize = upx(fconst, xres_n +
|
|
|
+ modx(fconst, downx(1 << clk_shift, par->diwstrt_h - 4)));
|
|
|
if (fstrt + fsize > maxfetchstop)
|
|
|
par->vmode &= ~FB_VMODE_SMOOTH_XPAN;
|
|
|
|
|
@@ -2840,7 +2855,7 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
* Check if there is enough time to update the bitplane pointers for ywrap
|
|
|
*/
|
|
|
|
|
|
- if (par->htotal-fsize-64 < par->bpp*64)
|
|
|
+ if (par->htotal - fsize - 64 < par->bpp * 64)
|
|
|
par->vmode &= ~FB_VMODE_YWRAP;
|
|
|
|
|
|
/*
|
|
@@ -2848,15 +2863,15 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
*/
|
|
|
|
|
|
if (amifb_ilbm) {
|
|
|
- par->next_plane = div8(upx(16<<maxfmode, par->vxres));
|
|
|
- par->next_line = par->bpp*par->next_plane;
|
|
|
+ par->next_plane = div8(upx(16 << maxfmode, par->vxres));
|
|
|
+ par->next_line = par->bpp * par->next_plane;
|
|
|
if (par->next_line * par->vyres > fb_info.fix.smem_len) {
|
|
|
DPRINTK("too few video mem\n");
|
|
|
return -EINVAL;
|
|
|
}
|
|
|
} else {
|
|
|
- par->next_line = div8(upx(16<<maxfmode, par->vxres));
|
|
|
- par->next_plane = par->vyres*par->next_line;
|
|
|
+ par->next_line = div8(upx(16 << maxfmode, par->vxres));
|
|
|
+ par->next_plane = par->vyres * par->next_line;
|
|
|
if (par->next_plane * par->bpp > fb_info.fix.smem_len) {
|
|
|
DPRINTK("too few video mem\n");
|
|
|
return -EINVAL;
|
|
@@ -2873,7 +2888,7 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
if (par->bpp == 8)
|
|
|
par->bplcon0 |= BPC0_BPU3;
|
|
|
else
|
|
|
- par->bplcon0 |= par->bpp<<12;
|
|
|
+ par->bplcon0 |= par->bpp << 12;
|
|
|
if (var->nonstd == FB_NONSTD_HAM)
|
|
|
par->bplcon0 |= BPC0_HAM;
|
|
|
if (var->sync & FB_SYNC_EXT)
|
|
@@ -2883,24 +2898,26 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
par->fmode = bplfetchmode[maxfmode];
|
|
|
|
|
|
switch (par->vmode & FB_VMODE_MASK) {
|
|
|
- case FB_VMODE_INTERLACED:
|
|
|
- par->bplcon0 |= BPC0_LACE;
|
|
|
- break;
|
|
|
- case FB_VMODE_DOUBLE:
|
|
|
- if (IS_AGA)
|
|
|
- par->fmode |= FMODE_SSCAN2 | FMODE_BSCAN2;
|
|
|
- break;
|
|
|
+ case FB_VMODE_INTERLACED:
|
|
|
+ par->bplcon0 |= BPC0_LACE;
|
|
|
+ break;
|
|
|
+ case FB_VMODE_DOUBLE:
|
|
|
+ if (IS_AGA)
|
|
|
+ par->fmode |= FMODE_SSCAN2 | FMODE_BSCAN2;
|
|
|
+ break;
|
|
|
}
|
|
|
|
|
|
if (!((par->vmode ^ var->vmode) & FB_VMODE_YWRAP)) {
|
|
|
par->xoffset = var->xoffset;
|
|
|
par->yoffset = var->yoffset;
|
|
|
if (par->vmode & FB_VMODE_YWRAP) {
|
|
|
- if (par->xoffset || par->yoffset < 0 || par->yoffset >= par->vyres)
|
|
|
+ if (par->xoffset || par->yoffset < 0 ||
|
|
|
+ par->yoffset >= par->vyres)
|
|
|
par->xoffset = par->yoffset = 0;
|
|
|
} else {
|
|
|
- if (par->xoffset < 0 || par->xoffset > upx(16<<maxfmode, par->vxres-par->xres) ||
|
|
|
- par->yoffset < 0 || par->yoffset > par->vyres-par->yres)
|
|
|
+ if (par->xoffset < 0 ||
|
|
|
+ par->xoffset > upx(16 << maxfmode, par->vxres - par->xres) ||
|
|
|
+ par->yoffset < 0 || par->yoffset > par->vyres - par->yres)
|
|
|
par->xoffset = par->yoffset = 0;
|
|
|
}
|
|
|
} else
|
|
@@ -2919,7 +2936,7 @@ static int ami_decode_var(struct fb_var_screeninfo *var,
|
|
|
*/
|
|
|
|
|
|
static int ami_encode_var(struct fb_var_screeninfo *var,
|
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- struct amifb_par *par)
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+ struct amifb_par *par)
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{
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u_short clk_shift, line_shift;
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@@ -2942,7 +2959,7 @@ static int ami_encode_var(struct fb_var_screeninfo *var,
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var->red.msb_right = 0;
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var->red.length = par->bpp;
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if (par->bplcon0 & BPC0_HAM)
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- var->red.length -= 2;
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+ var->red.length -= 2;
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var->blue = var->green = var->red;
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var->transp.offset = 0;
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var->transp.length = 0;
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@@ -2967,10 +2984,10 @@ static int ami_encode_var(struct fb_var_screeninfo *var,
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var->vmode = FB_VMODE_NONINTERLACED;
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if (!IS_OCS && par->beamcon0 & BMC0_VARBEAMEN) {
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- var->hsync_len = (par->hsstop-par->hsstrt)>>clk_shift;
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+ var->hsync_len = (par->hsstop - par->hsstrt)>>clk_shift;
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var->right_margin = par->hsstrt>>clk_shift;
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var->left_margin = (par->htotal>>clk_shift) - var->xres - var->right_margin - var->hsync_len;
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- var->vsync_len = (par->vsstop-par->vsstrt)>>line_shift;
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+ var->vsync_len = (par->vsstop - par->vsstrt)>>line_shift;
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var->lower_margin = par->vsstrt>>line_shift;
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var->upper_margin = (par->vtotal>>line_shift) - var->yres - var->lower_margin - var->vsync_len;
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var->sync = 0;
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@@ -2988,7 +3005,7 @@ static int ami_encode_var(struct fb_var_screeninfo *var,
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var->vsync_len = 4>>line_shift;
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var->lower_margin = ((par->vtotal - par->diwstop_v)>>line_shift) + var->vsync_len;
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var->upper_margin = (((par->vtotal - 2)>>line_shift) + 1) - var->yres -
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- var->lower_margin - var->vsync_len;
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+ var->lower_margin - var->vsync_len;
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}
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if (par->bplcon0 & BPC0_ERSY)
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@@ -3035,14 +3052,14 @@ static int ami_update_par(void)
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clk_shift = par->clk_shift;
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if (!(par->vmode & FB_VMODE_SMOOTH_XPAN))
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- par->xoffset = upx(16<<maxfmode, par->xoffset);
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+ par->xoffset = upx(16 << maxfmode, par->xoffset);
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- fconst = 16<<maxfmode<<clk_shift;
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- vshift = modx(16<<maxfmode, par->xoffset);
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- fstrt = par->diwstrt_h - (vshift<<clk_shift) - 4;
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- fsize = (par->xres+vshift)<<clk_shift;
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+ fconst = 16 << maxfmode << clk_shift;
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+ vshift = modx(16 << maxfmode, par->xoffset);
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+ fstrt = par->diwstrt_h - (vshift << clk_shift) - 4;
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+ fsize = (par->xres + vshift) << clk_shift;
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shift = modx(fconst, fstrt);
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- move = downx(2<<maxfmode, div8(par->xoffset));
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+ move = downx(2 << maxfmode, div8(par->xoffset));
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if (maxfmode + clk_shift > 1) {
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fstrt = downx(fconst, fstrt) - 64;
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fsize = upx(fconst, fsize);
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@@ -3056,7 +3073,7 @@ static int ami_update_par(void)
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fstop += min_fstrt - fstrt;
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fstrt = min_fstrt;
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}
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- move = move - div8((mod-fstrt)>>clk_shift);
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+ move = move - div8((mod - fstrt)>>clk_shift);
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}
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mod = par->next_line - div8(fsize>>clk_shift);
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par->ddfstrt = fstrt;
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@@ -3071,11 +3088,14 @@ static int ami_update_par(void)
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par->bpl1mod = par->bpl2mod;
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if (par->yoffset) {
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- par->bplpt0 = fb_info.fix.smem_start + par->next_line*par->yoffset + move;
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+ par->bplpt0 = fb_info.fix.smem_start +
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+ par->next_line * par->yoffset + move;
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if (par->vmode & FB_VMODE_YWRAP) {
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- if (par->yoffset > par->vyres-par->yres) {
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+ if (par->yoffset > par->vyres - par->yres) {
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par->bplpt0wrap = fb_info.fix.smem_start + move;
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- if (par->bplcon0 & BPC0_LACE && mod2(par->diwstrt_v+par->vyres-par->yoffset))
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+ if (par->bplcon0 & BPC0_LACE &&
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+ mod2(par->diwstrt_v + par->vyres -
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+ par->yoffset))
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par->bplpt0wrap += par->next_line;
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}
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}
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@@ -3096,7 +3116,7 @@ static int ami_update_par(void)
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*/
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static int amifb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
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- u_int transp, struct fb_info *info)
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+ u_int transp, struct fb_info *info)
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{
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if (IS_AGA) {
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if (regno > 255)
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@@ -3130,10 +3150,13 @@ static int amifb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
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if (IS_AGA) {
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u_short bplcon3 = currentpar.bplcon3;
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VBlankOff();
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- custom.bplcon3 = bplcon3 | (regno<<8 & 0xe000);
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- custom.color[regno&31] = rgb2hw8_high(red, green, blue);
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- custom.bplcon3 = bplcon3 | (regno<<8 & 0xe000) | BPC3_LOCT;
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- custom.color[regno&31] = rgb2hw8_low(red, green, blue);
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+ custom.bplcon3 = bplcon3 | (regno << 8 & 0xe000);
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+ custom.color[regno & 31] = rgb2hw8_high(red, green,
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+ blue);
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+ custom.bplcon3 = bplcon3 | (regno << 8 & 0xe000) |
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+ BPC3_LOCT;
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+ custom.color[regno & 31] = rgb2hw8_low(red, green,
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+ blue);
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custom.bplcon3 = bplcon3;
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VBlankOn();
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} else
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@@ -3146,11 +3169,11 @@ static int amifb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
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mask = 0x3333;
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color = rgb2hw2(red, green, blue);
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VBlankOff();
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- for (i = regno+12; i >= (int)regno; i -= 4)
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+ for (i = regno + 12; i >= (int)regno; i -= 4)
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custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color;
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- mask <<=2; color >>= 2;
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- regno = down16(regno)+mul4(mod4(regno));
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- for (i = regno+3; i >= (int)regno; i--)
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+ mask <<= 2; color >>= 2;
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+ regno = down16(regno) + mul4(mod4(regno));
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+ for (i = regno + 3; i >= (int)regno; i--)
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custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color;
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VBlankOn();
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} else
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@@ -3243,30 +3266,30 @@ static void ami_do_blank(void)
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red = green = blue = 0;
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if (!IS_OCS && do_blank > 1) {
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switch (do_blank) {
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- case FB_BLANK_VSYNC_SUSPEND:
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- custom.hsstrt = hsstrt2hw(par->hsstrt);
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- custom.hsstop = hsstop2hw(par->hsstop);
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- custom.vsstrt = vsstrt2hw(par->vtotal+4);
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- custom.vsstop = vsstop2hw(par->vtotal+4);
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- break;
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- case FB_BLANK_HSYNC_SUSPEND:
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- custom.hsstrt = hsstrt2hw(par->htotal+16);
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- custom.hsstop = hsstop2hw(par->htotal+16);
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- custom.vsstrt = vsstrt2hw(par->vsstrt);
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- custom.vsstop = vsstrt2hw(par->vsstop);
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- break;
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- case FB_BLANK_POWERDOWN:
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- custom.hsstrt = hsstrt2hw(par->htotal+16);
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- custom.hsstop = hsstop2hw(par->htotal+16);
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- custom.vsstrt = vsstrt2hw(par->vtotal+4);
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- custom.vsstop = vsstop2hw(par->vtotal+4);
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- break;
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+ case FB_BLANK_VSYNC_SUSPEND:
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+ custom.hsstrt = hsstrt2hw(par->hsstrt);
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+ custom.hsstop = hsstop2hw(par->hsstop);
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+ custom.vsstrt = vsstrt2hw(par->vtotal + 4);
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+ custom.vsstop = vsstop2hw(par->vtotal + 4);
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+ break;
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+ case FB_BLANK_HSYNC_SUSPEND:
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+ custom.hsstrt = hsstrt2hw(par->htotal + 16);
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+ custom.hsstop = hsstop2hw(par->htotal + 16);
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+ custom.vsstrt = vsstrt2hw(par->vsstrt);
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+ custom.vsstop = vsstrt2hw(par->vsstop);
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+ break;
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+ case FB_BLANK_POWERDOWN:
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+ custom.hsstrt = hsstrt2hw(par->htotal + 16);
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+ custom.hsstop = hsstop2hw(par->htotal + 16);
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+ custom.vsstrt = vsstrt2hw(par->vtotal + 4);
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+ custom.vsstop = vsstop2hw(par->vtotal + 4);
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+ break;
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}
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if (!(par->beamcon0 & BMC0_VARBEAMEN)) {
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custom.htotal = htotal2hw(par->htotal);
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custom.vtotal = vtotal2hw(par->vtotal);
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custom.beamcon0 = BMC0_HARDDIS | BMC0_VARBEAMEN |
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- BMC0_VARVSYEN | BMC0_VARHSYEN | BMC0_VARCSYEN;
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+ BMC0_VARVSYEN | BMC0_VARHSYEN | BMC0_VARCSYEN;
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}
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}
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} else {
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@@ -3300,7 +3323,7 @@ static void ami_do_blank(void)
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color = rgb2hw2(red, green, blue);
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for (i = 12; i >= 0; i -= 4)
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custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color;
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- mask <<=2; color >>= 2;
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+ mask <<= 2; color >>= 2;
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for (i = 3; i >= 0; i--)
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custom.color[i] = ecs_palette[i] = (ecs_palette[i] & mask) | color;
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} else
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@@ -3334,32 +3357,32 @@ static int ami_get_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *
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short height, width, bits, words;
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int size, alloc;
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- size = par->crsr.height*par->crsr.width;
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- alloc = var->height*var->width;
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+ size = par->crsr.height * par->crsr.width;
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+ alloc = var->height * var->width;
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var->height = par->crsr.height;
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var->width = par->crsr.width;
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var->xspot = par->crsr.spot_x;
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var->yspot = par->crsr.spot_y;
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- if (size > var->height*var->width)
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+ if (size > var->height * var->width)
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return -ENAMETOOLONG;
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if (!access_ok(VERIFY_WRITE, data, size))
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return -EFAULT;
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- delta = 1<<par->crsr.fmode;
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- lspr = lofsprite + (delta<<1);
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+ delta = 1 << par->crsr.fmode;
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+ lspr = lofsprite + (delta << 1);
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if (par->bplcon0 & BPC0_LACE)
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- sspr = shfsprite + (delta<<1);
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+ sspr = shfsprite + (delta << 1);
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else
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sspr = NULL;
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- for (height = (short)var->height-1; height >= 0; height--) {
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+ for (height = (short)var->height - 1; height >= 0; height--) {
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bits = 0; words = delta; datawords = 0;
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- for (width = (short)var->width-1; width >= 0; width--) {
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+ for (width = (short)var->width - 1; width >= 0; width--) {
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if (bits == 0) {
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bits = 16; --words;
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#ifdef __mc68000__
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asm volatile ("movew %1@(%3:w:2),%0 ; swap %0 ; movew %1@+,%0"
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: "=d" (datawords), "=a" (lspr) : "1" (lspr), "d" (delta));
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#else
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- datawords = (*(lspr+delta) << 16) | (*lspr++);
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+ datawords = (*(lspr + delta) << 16) | (*lspr++);
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#endif
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}
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--bits;
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@@ -3422,26 +3445,26 @@ static int ami_set_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *
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return -EINVAL;
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if (!var->height)
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return -EINVAL;
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- if (!access_ok(VERIFY_READ, data, var->width*var->height))
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+ if (!access_ok(VERIFY_READ, data, var->width * var->height))
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return -EFAULT;
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- delta = 1<<fmode;
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+ delta = 1 << fmode;
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lofsprite = shfsprite = (u_short *)spritememory;
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- lspr = lofsprite + (delta<<1);
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+ lspr = lofsprite + (delta << 1);
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if (par->bplcon0 & BPC0_LACE) {
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- if (((var->height+4)<<fmode<<2) > SPRITEMEMSIZE)
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+ if (((var->height + 4) << fmode << 2) > SPRITEMEMSIZE)
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return -EINVAL;
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- memset(lspr, 0, (var->height+4)<<fmode<<2);
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- shfsprite += ((var->height+5)&-2)<<fmode;
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- sspr = shfsprite + (delta<<1);
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+ memset(lspr, 0, (var->height + 4) << fmode << 2);
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+ shfsprite += ((var->height + 5)&-2) << fmode;
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+ sspr = shfsprite + (delta << 1);
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} else {
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- if (((var->height+2)<<fmode<<2) > SPRITEMEMSIZE)
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+ if (((var->height + 2) << fmode << 2) > SPRITEMEMSIZE)
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return -EINVAL;
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- memset(lspr, 0, (var->height+2)<<fmode<<2);
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+ memset(lspr, 0, (var->height + 2) << fmode << 2);
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sspr = NULL;
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}
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- for (height = (short)var->height-1; height >= 0; height--) {
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+ for (height = (short)var->height - 1; height >= 0; height--) {
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bits = 16; words = delta; datawords = 0;
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- for (width = (short)var->width-1; width >= 0; width--) {
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+ for (width = (short)var->width - 1; width >= 0; width--) {
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unsigned long tdata = 0;
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get_user(tdata, data);
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data++;
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@@ -3454,7 +3477,7 @@ static int ami_set_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *
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#else
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datawords = ((datawords << 1) & 0xfffefffe);
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datawords |= tdata & 1;
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- datawords |= (tdata & 2) << (16-1);
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+ datawords |= (tdata & 2) << (16 - 1);
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#endif
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if (--bits == 0) {
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bits = 16; --words;
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@@ -3462,7 +3485,7 @@ static int ami_set_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *
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asm volatile ("swap %2 ; movew %2,%0@(%3:w:2) ; swap %2 ; movew %2,%0@+"
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: "=a" (lspr) : "0" (lspr), "d" (datawords), "d" (delta));
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#else
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- *(lspr+delta) = (u_short) (datawords >> 16);
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+ *(lspr + delta) = (u_short) (datawords >> 16);
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*lspr++ = (u_short) (datawords & 0xffff);
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#endif
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}
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@@ -3475,7 +3498,7 @@ static int ami_set_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *
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"swap %2 ; lslw %4,%2 ; movew %2,%0@+"
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: "=a" (lspr) : "0" (lspr), "d" (datawords), "d" (delta), "d" (bits));
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#else
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- *(lspr+delta) = (u_short) (datawords >> (16+bits));
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+ *(lspr + delta) = (u_short) (datawords >> (16 + bits));
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*lspr++ = (u_short) ((datawords & 0x0000ffff) >> bits);
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#endif
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}
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@@ -3484,7 +3507,7 @@ static int ami_set_var_cursorinfo(struct fb_var_cursorinfo *var, u_char __user *
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asm volatile ("moveql #0,%%d0 ; movew %%d0,%0@(%2:w:2) ; movew %%d0,%0@+"
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: "=a" (lspr) : "0" (lspr), "d" (delta) : "d0");
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#else
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- *(lspr+delta) = 0;
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+ *(lspr + delta) = 0;
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*lspr++ = 0;
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#endif
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}
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@@ -3546,8 +3569,8 @@ static void ami_set_sprite(void)
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cops = copdisplay.list[currentcop][0];
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copl = copdisplay.list[currentcop][1];
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ps = pl = ZTWO_PADDR(dummysprite);
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- mx = par->crsr.crsr_x-par->crsr.spot_x;
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- my = par->crsr.crsr_y-par->crsr.spot_y;
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+ mx = par->crsr.crsr_x - par->crsr.spot_x;
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+ my = par->crsr.crsr_y - par->crsr.spot_y;
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if (!(par->vmode & FB_VMODE_YWRAP)) {
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mx -= par->xoffset;
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my -= par->yoffset;
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@@ -3556,24 +3579,24 @@ static void ami_set_sprite(void)
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mx > -(short)par->crsr.width && mx < par->xres &&
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my > -(short)par->crsr.height && my < par->yres) {
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pl = ZTWO_PADDR(lofsprite);
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- hs = par->diwstrt_h + (mx<<par->clk_shift) - 4;
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- vs = par->diwstrt_v + (my<<par->line_shift);
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- ve = vs + (par->crsr.height<<par->line_shift);
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+ hs = par->diwstrt_h + (mx << par->clk_shift) - 4;
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+ vs = par->diwstrt_v + (my << par->line_shift);
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+ ve = vs + (par->crsr.height << par->line_shift);
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if (par->bplcon0 & BPC0_LACE) {
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ps = ZTWO_PADDR(shfsprite);
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lofsprite[0] = spr2hw_pos(vs, hs);
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- shfsprite[0] = spr2hw_pos(vs+1, hs);
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+ shfsprite[0] = spr2hw_pos(vs + 1, hs);
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if (mod2(vs)) {
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- lofsprite[1<<par->crsr.fmode] = spr2hw_ctl(vs, hs, ve);
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- shfsprite[1<<par->crsr.fmode] = spr2hw_ctl(vs+1, hs, ve+1);
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+ lofsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs, hs, ve);
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+ shfsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs + 1, hs, ve + 1);
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pt = pl; pl = ps; ps = pt;
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} else {
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- lofsprite[1<<par->crsr.fmode] = spr2hw_ctl(vs, hs, ve+1);
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- shfsprite[1<<par->crsr.fmode] = spr2hw_ctl(vs+1, hs, ve);
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+ lofsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs, hs, ve + 1);
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+ shfsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs + 1, hs, ve);
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}
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} else {
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lofsprite[0] = spr2hw_pos(vs, hs) | (IS_AGA && (par->fmode & FMODE_BSCAN2) ? 0x80 : 0);
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- lofsprite[1<<par->crsr.fmode] = spr2hw_ctl(vs, hs, ve);
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+ lofsprite[1 << par->crsr.fmode] = spr2hw_ctl(vs, hs, ve);
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}
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}
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copl[cop_spr0ptrh].w[1] = highw(pl);
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@@ -3624,7 +3647,7 @@ static void ami_reinit_copper(void)
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struct amifb_par *par = ¤tpar;
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copdisplay.init[cip_bplcon0].w[1] = ~(BPC0_BPU3 | BPC0_BPU2 | BPC0_BPU1 | BPC0_BPU0) & par->bplcon0;
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- copdisplay.wait->l = CWAIT(32, par->diwstrt_v-4);
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+ copdisplay.wait->l = CWAIT(32, par->diwstrt_v - 4);
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}
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/*
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@@ -3654,20 +3677,20 @@ static void ami_build_copper(void)
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(cops++)->l = CMOVE(0, sprpt[0]);
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(cops++)->l = CMOVE2(0, sprpt[0]);
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- (copl++)->l = CMOVE(diwstrt2hw(par->diwstrt_h, par->diwstrt_v+1), diwstrt);
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- (copl++)->l = CMOVE(diwstop2hw(par->diwstop_h, par->diwstop_v+1), diwstop);
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+ (copl++)->l = CMOVE(diwstrt2hw(par->diwstrt_h, par->diwstrt_v + 1), diwstrt);
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+ (copl++)->l = CMOVE(diwstop2hw(par->diwstop_h, par->diwstop_v + 1), diwstop);
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(cops++)->l = CMOVE(diwstrt2hw(par->diwstrt_h, par->diwstrt_v), diwstrt);
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(cops++)->l = CMOVE(diwstop2hw(par->diwstop_h, par->diwstop_v), diwstop);
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if (!IS_OCS) {
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- (copl++)->l = CMOVE(diwhigh2hw(par->diwstrt_h, par->diwstrt_v+1,
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- par->diwstop_h, par->diwstop_v+1), diwhigh);
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+ (copl++)->l = CMOVE(diwhigh2hw(par->diwstrt_h, par->diwstrt_v + 1,
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+ par->diwstop_h, par->diwstop_v + 1), diwhigh);
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(cops++)->l = CMOVE(diwhigh2hw(par->diwstrt_h, par->diwstrt_v,
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- par->diwstop_h, par->diwstop_v), diwhigh);
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+ par->diwstop_h, par->diwstop_v), diwhigh);
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#if 0
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if (par->beamcon0 & BMC0_VARBEAMEN) {
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(copl++)->l = CMOVE(vtotal2hw(par->vtotal), vtotal);
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- (copl++)->l = CMOVE(vbstrt2hw(par->vbstrt+1), vbstrt);
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- (copl++)->l = CMOVE(vbstop2hw(par->vbstop+1), vbstop);
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+ (copl++)->l = CMOVE(vbstrt2hw(par->vbstrt + 1), vbstrt);
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+ (copl++)->l = CMOVE(vbstop2hw(par->vbstop + 1), vbstop);
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(cops++)->l = CMOVE(vtotal2hw(par->vtotal), vtotal);
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(cops++)->l = CMOVE(vbstrt2hw(par->vbstrt), vbstrt);
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(cops++)->l = CMOVE(vbstop2hw(par->vbstop), vbstop);
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@@ -3686,7 +3709,7 @@ static void ami_build_copper(void)
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(copl++)->l = CMOVE(diwstop2hw(par->diwstop_h, par->diwstop_v), diwstop);
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if (!IS_OCS) {
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(copl++)->l = CMOVE(diwhigh2hw(par->diwstrt_h, par->diwstrt_v,
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- par->diwstop_h, par->diwstop_v), diwhigh);
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+ par->diwstop_h, par->diwstop_v), diwhigh);
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#if 0
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if (par->beamcon0 & BMC0_VARBEAMEN) {
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(copl++)->l = CMOVE(vtotal2hw(par->vtotal), vtotal);
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@@ -3717,23 +3740,23 @@ static void ami_rebuild_copper(void)
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u_long p;
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if (IS_AGA && maxfmode + par->clk_shift == 0)
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- h_end1 = par->diwstrt_h-64;
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+ h_end1 = par->diwstrt_h - 64;
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else
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- h_end1 = par->htotal-32;
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- h_end2 = par->ddfstop+64;
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+ h_end1 = par->htotal - 32;
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+ h_end2 = par->ddfstop + 64;
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ami_set_sprite();
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copl = copdisplay.rebuild[1];
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p = par->bplpt0;
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if (par->vmode & FB_VMODE_YWRAP) {
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- if ((par->vyres-par->yoffset) != 1 || !mod2(par->diwstrt_v)) {
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- if (par->yoffset > par->vyres-par->yres) {
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+ if ((par->vyres - par->yoffset) != 1 || !mod2(par->diwstrt_v)) {
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+ if (par->yoffset > par->vyres - par->yres) {
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for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) {
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(copl++)->l = CMOVE(highw(p), bplpt[i]);
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(copl++)->l = CMOVE2(loww(p), bplpt[i]);
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}
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- line = par->diwstrt_v + ((par->vyres-par->yoffset)<<par->line_shift) - 1;
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+ line = par->diwstrt_v + ((par->vyres - par->yoffset) << par->line_shift) - 1;
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while (line >= 512) {
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(copl++)->l = CWAIT(h_end1, 510);
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line -= 512;
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@@ -3744,7 +3767,8 @@ static void ami_rebuild_copper(void)
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(copl++)->l = CWAIT(h_end2, line);
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p = par->bplpt0wrap;
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}
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- } else p = par->bplpt0wrap;
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+ } else
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+ p = par->bplpt0wrap;
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}
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for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) {
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(copl++)->l = CMOVE(highw(p), bplpt[i]);
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@@ -3760,13 +3784,13 @@ static void ami_rebuild_copper(void)
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else
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p += par->next_line;
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if (par->vmode & FB_VMODE_YWRAP) {
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- if ((par->vyres-par->yoffset) != 1 || mod2(par->diwstrt_v)) {
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- if (par->yoffset > par->vyres-par->yres+1) {
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+ if ((par->vyres - par->yoffset) != 1 || mod2(par->diwstrt_v)) {
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+ if (par->yoffset > par->vyres - par->yres + 1) {
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for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) {
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(cops++)->l = CMOVE(highw(p), bplpt[i]);
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(cops++)->l = CMOVE2(loww(p), bplpt[i]);
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}
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- line = par->diwstrt_v + ((par->vyres-par->yoffset)<<par->line_shift) - 2;
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+ line = par->diwstrt_v + ((par->vyres - par->yoffset) << par->line_shift) - 2;
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while (line >= 512) {
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(cops++)->l = CWAIT(h_end1, 510);
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line -= 512;
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@@ -3776,12 +3800,14 @@ static void ami_rebuild_copper(void)
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else
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(cops++)->l = CWAIT(h_end2, line);
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p = par->bplpt0wrap;
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- if (mod2(par->diwstrt_v+par->vyres-par->yoffset))
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+ if (mod2(par->diwstrt_v + par->vyres -
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+ par->yoffset))
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p -= par->next_line;
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else
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p += par->next_line;
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}
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- } else p = par->bplpt0wrap - par->next_line;
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+ } else
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+ p = par->bplpt0wrap - par->next_line;
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}
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for (i = 0; i < (short)par->bpp; i++, p += par->next_plane) {
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(cops++)->l = CMOVE(highw(p), bplpt[i]);
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