Author: mcayland Date: Mon Aug 19 09:40:29 2013 New Revision: 1214 URL: http://tracker.coreboot.org/trac/openbios/changeset/1214
Log: tcx.fs: move DAC programming from C to tcx.fs
Signed-off-by: Mark Cave-Ayland mark.cave-ayland@ilande.co.uk
Modified: trunk/openbios-devel/arch/sparc32/console.c trunk/openbios-devel/drivers/sbus.c trunk/openbios-devel/drivers/tcx.fs trunk/openbios-devel/include/drivers/drivers.h
Modified: trunk/openbios-devel/arch/sparc32/console.c ============================================================================== --- trunk/openbios-devel/arch/sparc32/console.c Mon Aug 19 09:40:26 2013 (r1213) +++ trunk/openbios-devel/arch/sparc32/console.c Mon Aug 19 09:40:29 2013 (r1214) @@ -22,32 +22,12 @@
#define VMEM_BASE 0x00800000ULL #define VMEM_SIZE (1024*768*1) -#define DAC_BASE 0x00200000ULL -#define DAC_SIZE 16
unsigned char *vmem; -volatile uint32_t *dac;
void tcx_init(uint64_t base) { vmem = (unsigned char *)ofmem_map_io(base + VMEM_BASE, VMEM_SIZE); - dac = (uint32_t *)ofmem_map_io(base + DAC_BASE, DAC_SIZE); -} - -/* ( r g b index -- ) */ -void tcx_hw_set_color(void) -{ - int index = POP(); - int b = POP(); - int g = POP(); - int r = POP(); - - if( VIDEO_DICT_VALUE(video.depth) == 8 ) { - dac[0] = index << 24; - dac[1] = r << 24; // Red - dac[1] = g << 24; // Green - dac[1] = b << 24; // Blue - } }
#endif
Modified: trunk/openbios-devel/drivers/sbus.c ============================================================================== --- trunk/openbios-devel/drivers/sbus.c Mon Aug 19 09:40:26 2013 (r1213) +++ trunk/openbios-devel/drivers/sbus.c Mon Aug 19 09:40:29 2013 (r1214) @@ -141,207 +141,8 @@ static void ob_tcx_init(unsigned int slot, const char *path) { - phandle_t chosen; - push_str(path); fword("find-device"); - - PUSH(slot); - fword("encode-int"); - PUSH(0x00800000); - fword("encode-int"); - fword("encode+"); - PUSH(0x00100000); - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x02000000); - fword("encode-int"); - fword("encode+"); - if (graphic_depth == 24) { - PUSH(0x00400000); - } else { - PUSH(0x00000001); - } - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x04000000); - fword("encode-int"); - fword("encode+"); - if (graphic_depth == 24) { - PUSH(0x00400000); - } else { - PUSH(0x00000001); - } - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x06000000); - fword("encode-int"); - fword("encode+"); - PUSH(0x00800000); - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x0a000000); - fword("encode-int"); - fword("encode+"); - if (graphic_depth == 24) { - PUSH(0x00400000); - } else { - PUSH(0x00000001); - } - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x0c000000); - fword("encode-int"); - fword("encode+"); - if (graphic_depth == 24) { - PUSH(0x00800000); - } else { - PUSH(0x00000001); - } - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x0e000000); - fword("encode-int"); - fword("encode+"); - if (graphic_depth == 24) { - PUSH(0x00800000); - } else { - PUSH(0x00000001); - } - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x00700000); - fword("encode-int"); - fword("encode+"); - PUSH(0x00001000); - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x00200000); - fword("encode-int"); - fword("encode+"); - if (graphic_depth == 24) { - PUSH(0x00004000); - } else { - PUSH(0x00000004); - } - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - if (graphic_depth == 24) { - PUSH(0x00301000); - } else { - PUSH(0x00300000); - } - fword("encode-int"); - fword("encode+"); - if (graphic_depth == 24) { - PUSH(0x00001000); - } else { - PUSH(0x0000081c); - } - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x00000000); - fword("encode-int"); - fword("encode+"); - PUSH(0x00010000); - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x00240000); - fword("encode-int"); - fword("encode+"); - if (graphic_depth == 24) { - PUSH(0x00004000); - } else { - PUSH(0x00000004); - } - fword("encode-int"); - fword("encode+"); - - PUSH(slot); - fword("encode-int"); - fword("encode+"); - PUSH(0x00280000); - fword("encode-int"); - fword("encode+"); - if (graphic_depth == 24) { - PUSH(0x00008000); - } else { - PUSH(0x00000001); - } - fword("encode-int"); - fword("encode+"); - - push_str("reg"); - fword("property"); - - PUSH((int)graphic_depth); - fword("encode-int"); - push_str("depth"); - fword("property"); - - if (graphic_depth == 8) { - push_str("true"); - fword("encode-string"); - push_str("tcx-8-bit"); - fword("property"); - } - - /* Even with a 24-bit enabled TCX card, the control plane is - used in 8-bit mode. So force the video subsystem into 8-bit - mode before initialisation. */ - if (graphic_depth == 24) { - VIDEO_DICT_VALUE(video.depth) = 8; - VIDEO_DICT_VALUE(video.rb) = VIDEO_DICT_VALUE(video.w); - - chosen = get_cur_dev(); - set_int_property(chosen, "linebytes", VIDEO_DICT_VALUE(video.rb)); - } - - bind_func("hw-set-color", tcx_hw_set_color); }
static void
Modified: trunk/openbios-devel/drivers/tcx.fs ============================================================================== --- trunk/openbios-devel/drivers/tcx.fs Mon Aug 19 09:40:26 2013 (r1213) +++ trunk/openbios-devel/drivers/tcx.fs Mon Aug 19 09:40:29 2013 (r1214) @@ -35,6 +35,146 @@ : line-bytes line-bytes-xt @ ;
\ +\ Registers +\ + +h# 0 constant tcx-off1 +h# 10000 constant /tcx-off1 + +h# 200000 constant tcx-off-dac +h# 4000 constant /tcx-off-dac-24 +h# 4 constant /tcx-off-dac-8 + +h# 240000 constant tcx-off3 +h# 4000 constant /tcx-off3-24 +h# 4 constant /tcx-off3-8 + +h# 280000 constant tcx-off4 +h# 8000 constant /tcx-off4-24 +h# 1 constant /tcx-off4-8 + +h# 301000 constant tcx-off5-24 +h# 300000 constant tcx-off5-8 +h# 1000 constant /tcx-off5-24 +h# 81c constant /tcx-off5-8 + +h# 700000 constant tcx-off6 +h# 1000 constant /tcx-off6 + +h# 800000 constant tcx-off-fb +h# 100000 constant /tcx-off-fb + +h# 2000000 constant tcx-off8 +h# 400000 constant /tcx-off8-24 +h# 1 constant /tcx-off8-8 + +h# 4000000 constant tcx-off9 +h# 400000 constant /tcx-off9-24 +h# 1 constant /tcx-off9-8 + +h# 6000000 constant tcx-off10 +h# 800000 constant /tcx-off10 + +h# a000000 constant tcx-off11 +h# 400000 constant /tcx-off11-24 +h# 1 constant /tcx-off11-8 + +h# c000000 constant tcx-off12 +h# 800000 constant /tcx-off12-24 +h# 1 constant /tcx-off12-8 + +h# e000000 constant tcx-off13 +h# 800000 constant /tcx-off13-24 +h# 1 constant /tcx-off13-8 + +: >tcx-reg-spec ( offset size -- encoded-reg ) + >r 0 my-address d+ my-space encode-phys r> encode-int encode+ +; + +: tcx-8bit-reg + \ WARNING: order is important (at least to Solaris) + tcx-off-fb /tcx-off-fb >tcx-reg-spec + tcx-off8 /tcx-off8-8 >tcx-reg-spec encode+ + tcx-off9 /tcx-off9-8 >tcx-reg-spec encode+ + tcx-off10 /tcx-off10 >tcx-reg-spec encode+ + tcx-off11 /tcx-off11-8 >tcx-reg-spec encode+ + tcx-off12 /tcx-off12-8 >tcx-reg-spec encode+ + tcx-off13 /tcx-off13-8 >tcx-reg-spec encode+ + tcx-off6 /tcx-off6 >tcx-reg-spec encode+ + tcx-off-dac /tcx-off-dac-8 >tcx-reg-spec encode+ + tcx-off5-8 /tcx-off5-8 >tcx-reg-spec encode+ + tcx-off1 /tcx-off1 >tcx-reg-spec encode+ + tcx-off3 /tcx-off3-8 >tcx-reg-spec encode+ + tcx-off4 /tcx-off4-8 >tcx-reg-spec encode+ + " reg" property +; + +: tcx-24bit-reg + \ WARNING: order is important (at least to Solaris) + tcx-off-fb /tcx-off-fb >tcx-reg-spec + tcx-off8 /tcx-off8-24 >tcx-reg-spec encode+ + tcx-off9 /tcx-off9-24 >tcx-reg-spec encode+ + tcx-off10 /tcx-off10 >tcx-reg-spec encode+ + tcx-off11 /tcx-off11-24 >tcx-reg-spec encode+ + tcx-off12 /tcx-off12-24 >tcx-reg-spec encode+ + tcx-off13 /tcx-off13-24 >tcx-reg-spec encode+ + tcx-off6 /tcx-off6 >tcx-reg-spec encode+ + tcx-off-dac /tcx-off-dac-24 >tcx-reg-spec encode+ + tcx-off5-24 /tcx-off5-24 >tcx-reg-spec encode+ + tcx-off1 /tcx-off1 >tcx-reg-spec encode+ + tcx-off3 /tcx-off3-24 >tcx-reg-spec encode+ + tcx-off4 /tcx-off4-24 >tcx-reg-spec encode+ + " reg" property +; + +: do-map-in ( offset size -- virt ) + >r my-space r> " map-in" $call-parent +; + +: do-map-out ( virt size ) + " map-out" $call-parent +; + +\ +\ DAC +\ + +-1 value tcx-dac +-1 value /tcx-dac + +: dac! ( data reg# -- ) + >r dup 2dup bljoin r> tcx-dac + l! +; + +: color! ( r g b c# -- ) + 0 dac! ( r g b ) + swap rot ( b g r ) + 4 dac! ( b g ) + 4 dac! ( b ) + 4 dac! ( ) +; + +\ +\ Mapping +\ + +: dac-map + tcx-off-dac /tcx-dac do-map-in to tcx-dac +; + +: map-regs + dac-map +; + +external + +: hw-set-color + color! +; + +headerless + +\ \ Installation \
@@ -42,14 +182,36 @@ " display" device-type
: qemu-tcx-driver-install ( -- ) - openbios-video-addr to frame-buffer-adr - default-font set-font - openbios-video-width openbios-video-height over char-width / over char-height / - fb8-install + tcx-dac -1 = if + map-regs + openbios-video-addr to frame-buffer-adr + default-font set-font + + frame-buffer-adr encode-int " address" property + + openbios-video-width openbios-video-height over char-width / over char-height / + fb8-install + then ;
: qemu-tcx-driver-init
+ \ Handle differences between 8-bit/24-bit mode + depth-bits 8 = if + tcx-8bit-reg + /tcx-off-dac-8 to /tcx-dac + " true" encode-string " tcx-8-bit" property + else + tcx-24bit-reg + /tcx-off-dac-24 to /tcx-dac + + \ Even with a 24-bit enabled TCX card, the control plane is + \ used in 8-bit mode. So force the video subsystem into 8-bit + \ mode before initialisation. + 8 depth-bits-xt ! + openbios-video-width line-bytes-xt ! + then + h# 1d encode-int " vbporch" property h# a0 encode-int " hbporch" property h# 06 encode-int " vsync" property
Modified: trunk/openbios-devel/include/drivers/drivers.h ============================================================================== --- trunk/openbios-devel/include/drivers/drivers.h Mon Aug 19 09:40:26 2013 (r1213) +++ trunk/openbios-devel/include/drivers/drivers.h Mon Aug 19 09:40:29 2013 (r1214) @@ -47,7 +47,6 @@
/* arch/sparc32/console.c */ void tcx_init(uint64_t base); -void tcx_hw_set_color(void); void kbd_init(uint64_t base); #endif #ifdef CONFIG_DRIVER_IDE
-
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