diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/sbus/cgsix.c | 248 | ||||
| -rw-r--r-- | sys/dev/sbus/cgsixreg.h | 272 |
2 files changed, 278 insertions, 242 deletions
diff --git a/sys/dev/sbus/cgsix.c b/sys/dev/sbus/cgsix.c index 94ace48b927..cadf9ee1141 100644 --- a/sys/dev/sbus/cgsix.c +++ b/sys/dev/sbus/cgsix.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cgsix.c,v 1.23 2002/07/26 04:24:44 jason Exp $ */ +/* $OpenBSD: cgsix.c,v 1.24 2002/07/26 15:49:56 jason Exp $ */ /* * Copyright (c) 2001 Jason L. Wright (jason@thought.net) @@ -54,234 +54,7 @@ #include <dev/wscons/wsdisplayvar.h> #include <dev/wscons/wscons_raster.h> #include <dev/rasops/rasops.h> - -union bt_cmap { - u_int8_t cm_map[256][3]; /* 256 r/b/g entries */ - u_int32_t cm_chip[256 * 3 / 4]; /* the way the chip is loaded */ -}; - -#define BT_ADDR 0x00 /* map address register */ -#define BT_CMAP 0x04 /* colormap data register */ -#define BT_CTRL 0x08 /* control register */ -#define BT_OMAP 0x0c /* overlay (cursor) map register */ - -#define BT_D4M3(x) ((((x) >> 2) << 1) + ((x) >> 2)) /* (x / 4) * 3 */ -#define BT_D4M4(x) ((x) & ~3) /* (x / 4) * 4 */ - -#define CGSIX_ROM_OFFSET 0x000000 -#define CGSIX_BT_OFFSET 0x200000 -#define CGSIX_BT_SIZE (sizeof(u_int32_t) * 4) -#define CGSIX_DHC_OFFSET 0x240000 -#define CGSIX_ALT_OFFSET 0x280000 -#define CGSIX_FHC_OFFSET 0x300000 -#define CGSIX_FHC_SIZE (sizeof(u_int32_t) * 1) -#define CGSIX_THC_OFFSET 0x301000 -#define CGSIX_THC_SIZE (sizeof(u_int32_t) * 640) -#define CGSIX_FBC_OFFSET 0x700000 -#define CGSIX_FBC_SIZE 0x1000 -#define CGSIX_TEC_OFFSET 0x701000 -#define CGSIX_TEC_SIZE (sizeof(u_int32_t) * 3) -#define CGSIX_VID_OFFSET 0x800000 -#define CGSIX_VID_SIZE (1024 * 1024) - -#define CG6_FHC 0x0 /* fhc register */ - -#define FHC_FBID_MASK 0xff000000 /* frame buffer id */ -#define FHC_FBID_SHIFT 24 -#define FHC_REV_MASK 0x00f00000 /* revision */ -#define FHC_REV_SHIFT 20 -#define FHC_FROP_DISABLE 0x00080000 /* disable fast rasterop */ -#define FHC_ROW_DISABLE 0x00040000 /* ??? */ -#define FHC_SRC_DISABLE 0x00020000 /* ??? */ -#define FHC_DST_DISABLE 0x00010000 /* disable dst cache */ -#define FHC_RESET 0x00008000 /* ??? */ -#define FHC_LEBO 0x00002000 /* set little endian order */ -#define FHC_RES_MASK 0x00001800 /* resolution: */ -#define FHC_RES_1024 0x00000000 /* 1024x768 */ -#define FHC_RES_1152 0x00000800 /* 1152x900 */ -#define FHC_RES_1280 0x00001000 /* 1280x1024 */ -#define FHC_RES_1600 0x00001800 /* 1600x1200 */ -#define FHC_CPU_MASK 0x00000600 /* cpu type: */ -#define FHC_CPU_SPARC 0x00000000 /* sparc */ -#define FHC_CPU_68020 0x00000200 /* 68020 */ -#define FHC_CPU_386 0x00000400 /* i386 */ -#define FHC_TEST 0x00000100 /* test window */ -#define FHC_TESTX_MASK 0x000000f0 /* test window X */ -#define FHC_TESTX_SHIFT 4 -#define FHC_TESTY_MASK 0x0000000f /* test window Y */ -#define FHC_TESTY_SHIFT 0 - -#define CG6_FBC_MODE 0x004 /* mode setting */ -#define CG6_FBC_CLIP 0x008 /* ??? */ -#define CG6_FBC_S 0x010 /* global status */ -#define CG6_FBC_DRAW 0x014 /* drawing pipeline status */ -#define CG6_FBC_BLIT 0x018 /* blitter status */ -#define CG6_FBC_X0 0x080 /* blitter, src llx */ -#define CG6_FBC_Y0 0x084 /* blitter, src lly */ -#define CG6_FBC_X1 0x090 /* blitter, src urx */ -#define CG6_FBC_Y1 0x094 /* blitter, src ury */ -#define CG6_FBC_X2 0x0a0 /* blitter, dst llx */ -#define CG6_FBC_Y2 0x0a4 /* blitter, dst lly */ -#define CG6_FBC_X3 0x0b0 /* blitter, dst urx */ -#define CG6_FBC_Y3 0x0b4 /* blitter, dst ury */ -#define CG6_FBC_OFFX 0x0c0 /* x offset for drawing */ -#define CG6_FBC_OFFY 0x0c4 /* y offset for drawing */ -#define CG6_FBC_CLIPMINX 0x0e0 /* clip rectangle llx */ -#define CG6_FBC_CLIPMINY 0x0e4 /* clip rectangle lly */ -#define CG6_FBC_CLIPMAXX 0x0f0 /* clip rectangle urx */ -#define CG6_FBC_CLIPMAXY 0x0f4 /* clip rectangle ury */ -#define CG6_FBC_FG 0x100 /* fg value for rop */ -#define CG6_FBC_ALU 0x108 /* operation */ -#define CG6_FBC_ARECTX 0x900 /* rectangle drawing, x coord */ -#define CG6_FBC_ARECTY 0x904 /* rectangle drawing, y coord */ - -#define FBC_MODE_MASK ( \ - 0x00200000 /* GX_BLIT_SRC */ \ - | 0x00020000 /* GX_MODE_COLOR8 */ \ - | 0x00008000 /* GX_DRAW_RENDER */ \ - | 0x00002000 /* GX_BWRITE0_ENABLE */ \ - | 0x00001000 /* GX_BWRITE1_DISABLE */ \ - | 0x00000200 /* GX_BREAD_0 */ \ - | 0x00000080 /* GX_BDISP_0 */ \ -) -#define FBC_MODE_VAL ( \ - 0x00300000 /* GX_BLIT_ALL */ \ - | 0x00060000 /* GX_MODE_ALL */ \ - | 0x00018000 /* GX_DRAW_ALL */ \ - | 0x00006000 /* GX_BWRITE0_ALL */ \ - | 0x00001800 /* GX_BWRITE1_ALL */ \ - | 0x00000600 /* GX_BREAD_ALL */ \ - | 0x00000180 /* GX_BDISP_ALL */ \ -) - -#define FBC_S_GXINPROGRESS 0x10000000 /* drawing in progress */ - -#define FBC_BLIT_UNKNOWN 0x80000000 /* ??? */ -#define FBC_BLIT_GXFULL 0x20000000 /* queue is full */ - -#define FBC_DRAW_UNKNOWN 0x80000000 /* ??? */ -#define FBC_DRAW_GXFULL 0x20000000 - -/* Value for the alu register for screen-to-screen copies */ -#define FBC_ALU_COPY ( \ - 0x80000000 /* GX_PLANE_ONES (ignore planemask register) */ \ - | 0x20000000 /* GX_PIXEL_ONES (ignore pixelmask register) */ \ - | 0x00800000 /* GX_ATTR_SUPP (function unknown) */ \ - | 0x00000000 /* GX_RAST_BOOL (function unknown) */ \ - | 0x00000000 /* GX_PLOT_PLOT (function unknown) */ \ - | 0x08000000 /* GX_PATTERN_ONES (ignore pattern) */ \ - | 0x01000000 /* GX_POLYG_OVERLAP (unsure - handle overlap?) */ \ - | 0x0000cccc /* ALU = src */ \ -) - -/* Value for the alu register for region fills */ -#define FBC_ALU_FILL ( \ - 0x80000000 /* GX_PLANE_ONES (ignore planemask register) */ \ - | 0x20000000 /* GX_PIXEL_ONES (ignore pixelmask register) */ \ - | 0x00800000 /* GX_ATTR_SUPP (function unknown) */ \ - | 0x00000000 /* GX_RAST_BOOL (function unknown) */ \ - | 0x00000000 /* GX_PLOT_PLOT (function unknown) */ \ - | 0x08000000 /* GX_PATTERN_ONES (ignore pattern) */ \ - | 0x01000000 /* GX_POLYG_OVERLAP (unsure - handle overlap?) */ \ - | 0x0000ff00 /* ALU = fg color */ \ -) - -/* Value for the alu register for toggling an area */ -#define FBC_ALU_FLIP ( \ - 0x80000000 /* GX_PLANE_ONES (ignore planemask register) */ \ - | 0x20000000 /* GX_PIXEL_ONES (ignore pixelmask register) */ \ - | 0x00800000 /* GX_ATTR_SUPP (function unknown) */ \ - | 0x00000000 /* GX_RAST_BOOL (function unknown) */ \ - | 0x00000000 /* GX_PLOT_PLOT (function unknown) */ \ - | 0x08000000 /* GX_PATTERN_ONES (ignore pattern) */ \ - | 0x01000000 /* GX_POLYG_OVERLAP (unsure - handle overlap?) */ \ - | 0x00005555 /* ALU = ~dst */ \ -) - -#define CG6_TEC_MV 0x0 /* matrix stuff */ -#define CG6_TEC_CLIP 0x4 /* clipping stuff */ -#define CG6_TEC_VDC 0x8 /* ??? */ - -#define CG6_THC_HSYNC1 0x800 /* horizontal sync timing */ -#define CG6_THC_HSYNC2 0x804 /* more hsync timing */ -#define CG6_THC_HSYNC3 0x808 /* yet more hsync timing */ -#define CG6_THC_VSYNC1 0x80c /* vertical sync timing */ -#define CG6_THC_VSYNC2 0x810 /* only two of these */ -#define CG6_THC_REFRESH 0x814 /* refresh counter */ -#define CG6_THC_MISC 0x818 /* misc control/status */ -#define CG6_THC_CURSXY 0x8fc /* cursor x/y, 16 bit each */ -#define CG6_THC_CURSMASK 0x900 /* cursor mask bits */ -#define CG6_THC_CURSBITS 0x980 /* cursor bits */ - -/* cursor x/y position for 'off' */ -#define THC_CURSOFF ((65536-32) | ((65536-32) << 16)) - -#define THC_MISC_REV_M 0x000f0000 /* chip revision */ -#define THC_MISC_REV_S 16 -#define THC_MISC_RESET 0x00001000 /* reset */ -#define THC_MISC_VIDEN 0x00000400 /* video enable */ -#define THC_MISC_SYNC 0x00000200 /* not sure what ... */ -#define THC_MISC_VSYNC 0x00000100 /* ... these really are */ -#define THC_MISC_SYNCEN 0x00000080 /* sync enable */ -#define THC_MISC_CURSRES 0x00000040 /* cursor resolution */ -#define THC_MISC_INTEN 0x00000020 /* v.retrace intr enable */ -#define THC_MISC_INTR 0x00000010 /* intr pending/ack */ -#define THC_MISC_CYCLS 0x0000000f /* cycles before transfer */ - -struct cgsix_softc { - struct device sc_dev; - struct sbusdev sc_sd; - bus_space_tag_t sc_bustag; - bus_addr_t sc_paddr; - bus_space_handle_t sc_bt_regs; - bus_space_handle_t sc_fhc_regs; - bus_space_handle_t sc_thc_regs; - bus_space_handle_t sc_tec_regs; - bus_space_handle_t sc_vid_regs; - bus_space_handle_t sc_fbc_regs; - struct rasops_info sc_rasops; - int sc_nscreens; - int sc_width, sc_height, sc_depth, sc_linebytes; - union bt_cmap sc_cmap; - void *sc_ih; -}; - -#define CG6_USER_FBC 0x70000000 -#define CG6_USER_TEC 0x70001000 -#define CG6_USER_BTREGS 0x70002000 -#define CG6_USER_FHC 0x70004000 -#define CG6_USER_THC 0x70005000 -#define CG6_USER_ROM 0x70006000 -#define CG6_USER_RAM 0x70016000 -#define CG6_USER_DHC 0x80000000 - -#define THC_READ(sc,r) \ - bus_space_read_4((sc)->sc_bustag, (sc)->sc_thc_regs, (r)) -#define THC_WRITE(sc,r,v) \ - bus_space_write_4((sc)->sc_bustag, (sc)->sc_thc_regs, (r), (v)) - -#define TEC_READ(sc,r) \ - bus_space_read_4((sc)->sc_bustag, (sc)->sc_tec_regs, (r)) -#define TEC_WRITE(sc,r,v) \ - bus_space_write_4((sc)->sc_bustag, (sc)->sc_tec_regs, (r), (v)) - -#define FHC_READ(sc) \ - bus_space_read_4((sc)->sc_bustag, (sc)->sc_fhc_regs, CG6_FHC) -#define FHC_WRITE(sc,v) \ - bus_space_write_4((sc)->sc_bustag, (sc)->sc_fhc_regs, CG6_FHC, (v)) - -#define FBC_READ(sc,r) \ - bus_space_read_4((sc)->sc_bustag, (sc)->sc_fbc_regs, (r)) -#define FBC_WRITE(sc,r,v) \ - bus_space_write_4((sc)->sc_bustag, (sc)->sc_fbc_regs, (r), (v)) - -#define BT_WRITE(sc, reg, val) \ - bus_space_write_4((sc)->sc_bustag, (sc)->sc_bt_regs, (reg), (val)) -#define BT_READ(sc, reg) \ - bus_space_read_4((sc)->sc_bustag, (sc)->sc_bt_regs, (reg)) -#define BT_BARRIER(sc,reg,flags) \ - bus_space_barrier((sc)->sc_bustag, (sc)->sc_bt_regs, (reg), \ - sizeof(u_int32_t), (flags)) +#include <dev/sbus/cgsixreg.h> struct wsscreen_descr cgsix_stdscreen = { "std", @@ -473,9 +246,7 @@ cgsixattach(parent, self, aux) sc->sc_rasops.ri_ops.eraserows = cgsix_ras_eraserows; sc->sc_rasops.ri_ops.erasecols = cgsix_ras_erasecols; sc->sc_rasops.ri_do_cursor = cgsix_ras_do_cursor; -#if 0 cgsix_ras_init(sc); -#endif cgsix_stdscreen.nrows = sc->sc_rasops.ri_rows; cgsix_stdscreen.ncols = sc->sc_rasops.ri_cols; @@ -905,17 +676,6 @@ cgsix_intr(vsc) return (1); } -#define CG6_BLIT_WAIT(sc) \ - while ((FBC_READ(sc, CG6_FBC_BLIT) & \ - (FBC_BLIT_UNKNOWN|FBC_BLIT_GXFULL)) == \ - (FBC_BLIT_UNKNOWN|FBC_BLIT_GXFULL)) -#define CG6_DRAW_WAIT(sc) \ - while ((FBC_READ(sc, CG6_FBC_DRAW) & \ - (FBC_DRAW_UNKNOWN|FBC_DRAW_GXFULL)) == \ - (FBC_DRAW_UNKNOWN|FBC_DRAW_GXFULL)) -#define CG6_DRAIN(sc) \ - while (FBC_READ(sc, CG6_FBC_S) & FBC_S_GXINPROGRESS) - void cgsix_ras_init(sc) struct cgsix_softc *sc; @@ -925,8 +685,12 @@ cgsix_ras_init(sc) CG6_DRAIN(sc); m = FBC_READ(sc, CG6_FBC_MODE); m &= ~FBC_MODE_MASK; +#if 0 + /* XXX doesn't work as advertised */ + FBC_WRITE(sc, CG6_FBC_MODE, m); m |= FBC_MODE_VAL; FBC_WRITE(sc, CG6_FBC_MODE, m); +#endif } void diff --git a/sys/dev/sbus/cgsixreg.h b/sys/dev/sbus/cgsixreg.h new file mode 100644 index 00000000000..aa6fa6f3b5f --- /dev/null +++ b/sys/dev/sbus/cgsixreg.h @@ -0,0 +1,272 @@ +/* $OpenBSD: cgsixreg.h,v 1.1 2002/07/26 15:49:56 jason Exp $ */ + +/* + * Copyright (c) 2002 Jason L. Wright (jason@thought.net) + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Jason L. Wright + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +union bt_cmap { + u_int8_t cm_map[256][3]; /* 256 r/b/g entries */ + u_int32_t cm_chip[256 * 3 / 4]; /* the way the chip is loaded */ +}; + +#define BT_ADDR 0x00 /* map address register */ +#define BT_CMAP 0x04 /* colormap data register */ +#define BT_CTRL 0x08 /* control register */ +#define BT_OMAP 0x0c /* overlay (cursor) map register */ + +#define BT_D4M3(x) ((((x) >> 2) << 1) + ((x) >> 2)) /* (x / 4) * 3 */ +#define BT_D4M4(x) ((x) & ~3) /* (x / 4) * 4 */ + +#define CGSIX_ROM_OFFSET 0x000000 +#define CGSIX_BT_OFFSET 0x200000 +#define CGSIX_BT_SIZE (sizeof(u_int32_t) * 4) +#define CGSIX_DHC_OFFSET 0x240000 +#define CGSIX_ALT_OFFSET 0x280000 +#define CGSIX_FHC_OFFSET 0x300000 +#define CGSIX_FHC_SIZE (sizeof(u_int32_t) * 1) +#define CGSIX_THC_OFFSET 0x301000 +#define CGSIX_THC_SIZE (sizeof(u_int32_t) * 640) +#define CGSIX_FBC_OFFSET 0x700000 +#define CGSIX_FBC_SIZE 0x1000 +#define CGSIX_TEC_OFFSET 0x701000 +#define CGSIX_TEC_SIZE (sizeof(u_int32_t) * 3) +#define CGSIX_VID_OFFSET 0x800000 +#define CGSIX_VID_SIZE (1024 * 1024) + +#define CG6_FHC 0x0 /* fhc register */ + +#define FHC_FBID_MASK 0xff000000 /* frame buffer id */ +#define FHC_FBID_SHIFT 24 +#define FHC_REV_MASK 0x00f00000 /* revision */ +#define FHC_REV_SHIFT 20 +#define FHC_FROP_DISABLE 0x00080000 /* disable fast rasterop */ +#define FHC_ROW_DISABLE 0x00040000 /* ??? */ +#define FHC_SRC_DISABLE 0x00020000 /* ??? */ +#define FHC_DST_DISABLE 0x00010000 /* disable dst cache */ +#define FHC_RESET 0x00008000 /* ??? */ +#define FHC_LEBO 0x00002000 /* set little endian order */ +#define FHC_RES_MASK 0x00001800 /* resolution: */ +#define FHC_RES_1024 0x00000000 /* 1024x768 */ +#define FHC_RES_1152 0x00000800 /* 1152x900 */ +#define FHC_RES_1280 0x00001000 /* 1280x1024 */ +#define FHC_RES_1600 0x00001800 /* 1600x1200 */ +#define FHC_CPU_MASK 0x00000600 /* cpu type: */ +#define FHC_CPU_SPARC 0x00000000 /* sparc */ +#define FHC_CPU_68020 0x00000200 /* 68020 */ +#define FHC_CPU_386 0x00000400 /* i386 */ +#define FHC_TEST 0x00000100 /* test window */ +#define FHC_TESTX_MASK 0x000000f0 /* test window X */ +#define FHC_TESTX_SHIFT 4 +#define FHC_TESTY_MASK 0x0000000f /* test window Y */ +#define FHC_TESTY_SHIFT 0 + +#define CG6_FBC_MODE 0x004 /* mode setting */ +#define CG6_FBC_CLIP 0x008 /* ??? */ +#define CG6_FBC_S 0x010 /* global status */ +#define CG6_FBC_DRAW 0x014 /* drawing pipeline status */ +#define CG6_FBC_BLIT 0x018 /* blitter status */ +#define CG6_FBC_X0 0x080 /* blitter, src llx */ +#define CG6_FBC_Y0 0x084 /* blitter, src lly */ +#define CG6_FBC_X1 0x090 /* blitter, src urx */ +#define CG6_FBC_Y1 0x094 /* blitter, src ury */ +#define CG6_FBC_X2 0x0a0 /* blitter, dst llx */ +#define CG6_FBC_Y2 0x0a4 /* blitter, dst lly */ +#define CG6_FBC_X3 0x0b0 /* blitter, dst urx */ +#define CG6_FBC_Y3 0x0b4 /* blitter, dst ury */ +#define CG6_FBC_OFFX 0x0c0 /* x offset for drawing */ +#define CG6_FBC_OFFY 0x0c4 /* y offset for drawing */ +#define CG6_FBC_CLIPMINX 0x0e0 /* clip rectangle llx */ +#define CG6_FBC_CLIPMINY 0x0e4 /* clip rectangle lly */ +#define CG6_FBC_CLIPMAXX 0x0f0 /* clip rectangle urx */ +#define CG6_FBC_CLIPMAXY 0x0f4 /* clip rectangle ury */ +#define CG6_FBC_FG 0x100 /* fg value for rop */ +#define CG6_FBC_ALU 0x108 /* operation */ +#define CG6_FBC_ARECTX 0x900 /* rectangle drawing, x coord */ +#define CG6_FBC_ARECTY 0x904 /* rectangle drawing, y coord */ + +#define FBC_MODE_MASK ( \ + 0x00200000 /* GX_BLIT_SRC */ \ + | 0x00020000 /* GX_MODE_COLOR8 */ \ + | 0x00008000 /* GX_DRAW_RENDER */ \ + | 0x00002000 /* GX_BWRITE0_ENABLE */ \ + | 0x00001000 /* GX_BWRITE1_DISABLE */ \ + | 0x00000200 /* GX_BREAD_0 */ \ + | 0x00000080 /* GX_BDISP_0 */ \ +) +#define FBC_MODE_VAL ( \ + 0x00300000 /* GX_BLIT_ALL */ \ + | 0x00060000 /* GX_MODE_ALL */ \ + | 0x00018000 /* GX_DRAW_ALL */ \ + | 0x00006000 /* GX_BWRITE0_ALL */ \ + | 0x00001800 /* GX_BWRITE1_ALL */ \ + | 0x00000600 /* GX_BREAD_ALL */ \ + | 0x00000180 /* GX_BDISP_ALL */ \ +) + +#define FBC_S_GXINPROGRESS 0x10000000 /* drawing in progress */ + +#define FBC_BLIT_UNKNOWN 0x80000000 /* ??? */ +#define FBC_BLIT_GXFULL 0x20000000 /* queue is full */ + +#define FBC_DRAW_UNKNOWN 0x80000000 /* ??? */ +#define FBC_DRAW_GXFULL 0x20000000 + +/* Value for the alu register for screen-to-screen copies */ +#define FBC_ALU_COPY ( \ + 0x80000000 /* GX_PLANE_ONES (ignore planemask register) */ \ + | 0x20000000 /* GX_PIXEL_ONES (ignore pixelmask register) */ \ + | 0x00800000 /* GX_ATTR_SUPP (function unknown) */ \ + | 0x00000000 /* GX_RAST_BOOL (function unknown) */ \ + | 0x00000000 /* GX_PLOT_PLOT (function unknown) */ \ + | 0x08000000 /* GX_PATTERN_ONES (ignore pattern) */ \ + | 0x01000000 /* GX_POLYG_OVERLAP (unsure - handle overlap?) */ \ + | 0x0000cccc /* ALU = src */ \ +) + +/* Value for the alu register for region fills */ +#define FBC_ALU_FILL ( \ + 0x80000000 /* GX_PLANE_ONES (ignore planemask register) */ \ + | 0x20000000 /* GX_PIXEL_ONES (ignore pixelmask register) */ \ + | 0x00800000 /* GX_ATTR_SUPP (function unknown) */ \ + | 0x00000000 /* GX_RAST_BOOL (function unknown) */ \ + | 0x00000000 /* GX_PLOT_PLOT (function unknown) */ \ + | 0x08000000 /* GX_PATTERN_ONES (ignore pattern) */ \ + | 0x01000000 /* GX_POLYG_OVERLAP (unsure - handle overlap?) */ \ + | 0x0000ff00 /* ALU = fg color */ \ +) + +/* Value for the alu register for toggling an area */ +#define FBC_ALU_FLIP ( \ + 0x80000000 /* GX_PLANE_ONES (ignore planemask register) */ \ + | 0x20000000 /* GX_PIXEL_ONES (ignore pixelmask register) */ \ + | 0x00800000 /* GX_ATTR_SUPP (function unknown) */ \ + | 0x00000000 /* GX_RAST_BOOL (function unknown) */ \ + | 0x00000000 /* GX_PLOT_PLOT (function unknown) */ \ + | 0x08000000 /* GX_PATTERN_ONES (ignore pattern) */ \ + | 0x01000000 /* GX_POLYG_OVERLAP (unsure - handle overlap?) */ \ + | 0x00005555 /* ALU = ~dst */ \ +) + +#define CG6_TEC_MV 0x0 /* matrix stuff */ +#define CG6_TEC_CLIP 0x4 /* clipping stuff */ +#define CG6_TEC_VDC 0x8 /* ??? */ + +#define CG6_THC_HSYNC1 0x800 /* horizontal sync timing */ +#define CG6_THC_HSYNC2 0x804 /* more hsync timing */ +#define CG6_THC_HSYNC3 0x808 /* yet more hsync timing */ +#define CG6_THC_VSYNC1 0x80c /* vertical sync timing */ +#define CG6_THC_VSYNC2 0x810 /* only two of these */ +#define CG6_THC_REFRESH 0x814 /* refresh counter */ +#define CG6_THC_MISC 0x818 /* misc control/status */ +#define CG6_THC_CURSXY 0x8fc /* cursor x/y, 16 bit each */ +#define CG6_THC_CURSMASK 0x900 /* cursor mask bits */ +#define CG6_THC_CURSBITS 0x980 /* cursor bits */ + +/* cursor x/y position for 'off' */ +#define THC_CURSOFF ((65536-32) | ((65536-32) << 16)) + +#define THC_MISC_REV_M 0x000f0000 /* chip revision */ +#define THC_MISC_REV_S 16 +#define THC_MISC_RESET 0x00001000 /* reset */ +#define THC_MISC_VIDEN 0x00000400 /* video enable */ +#define THC_MISC_SYNC 0x00000200 /* not sure what ... */ +#define THC_MISC_VSYNC 0x00000100 /* ... these really are */ +#define THC_MISC_SYNCEN 0x00000080 /* sync enable */ +#define THC_MISC_CURSRES 0x00000040 /* cursor resolution */ +#define THC_MISC_INTEN 0x00000020 /* v.retrace intr enable */ +#define THC_MISC_INTR 0x00000010 /* intr pending/ack */ +#define THC_MISC_CYCLS 0x0000000f /* cycles before transfer */ + +struct cgsix_softc { + struct device sc_dev; + struct sbusdev sc_sd; + bus_space_tag_t sc_bustag; + bus_addr_t sc_paddr; + bus_space_handle_t sc_bt_regs; + bus_space_handle_t sc_fhc_regs; + bus_space_handle_t sc_thc_regs; + bus_space_handle_t sc_tec_regs; + bus_space_handle_t sc_vid_regs; + bus_space_handle_t sc_fbc_regs; + struct rasops_info sc_rasops; + int sc_nscreens; + int sc_width, sc_height, sc_depth, sc_linebytes; + union bt_cmap sc_cmap; + void *sc_ih; +}; + +#define CG6_USER_FBC 0x70000000 +#define CG6_USER_TEC 0x70001000 +#define CG6_USER_BTREGS 0x70002000 +#define CG6_USER_FHC 0x70004000 +#define CG6_USER_THC 0x70005000 +#define CG6_USER_ROM 0x70006000 +#define CG6_USER_RAM 0x70016000 +#define CG6_USER_DHC 0x80000000 + +#define THC_READ(sc,r) \ + bus_space_read_4((sc)->sc_bustag, (sc)->sc_thc_regs, (r)) +#define THC_WRITE(sc,r,v) \ + bus_space_write_4((sc)->sc_bustag, (sc)->sc_thc_regs, (r), (v)) + +#define TEC_READ(sc,r) \ + bus_space_read_4((sc)->sc_bustag, (sc)->sc_tec_regs, (r)) +#define TEC_WRITE(sc,r,v) \ + bus_space_write_4((sc)->sc_bustag, (sc)->sc_tec_regs, (r), (v)) + +#define FHC_READ(sc) \ + bus_space_read_4((sc)->sc_bustag, (sc)->sc_fhc_regs, CG6_FHC) +#define FHC_WRITE(sc,v) \ + bus_space_write_4((sc)->sc_bustag, (sc)->sc_fhc_regs, CG6_FHC, (v)) + +#define FBC_READ(sc,r) \ + bus_space_read_4((sc)->sc_bustag, (sc)->sc_fbc_regs, (r)) +#define FBC_WRITE(sc,r,v) \ + bus_space_write_4((sc)->sc_bustag, (sc)->sc_fbc_regs, (r), (v)) + +#define BT_WRITE(sc, reg, val) \ + bus_space_write_4((sc)->sc_bustag, (sc)->sc_bt_regs, (reg), (val)) +#define BT_READ(sc, reg) \ + bus_space_read_4((sc)->sc_bustag, (sc)->sc_bt_regs, (reg)) +#define BT_BARRIER(sc,reg,flags) \ + bus_space_barrier((sc)->sc_bustag, (sc)->sc_bt_regs, (reg), \ + sizeof(u_int32_t), (flags)) + +#define CG6_BLIT_WAIT(sc) \ + while ((FBC_READ(sc, CG6_FBC_BLIT) & \ + (FBC_BLIT_UNKNOWN|FBC_BLIT_GXFULL)) == \ + (FBC_BLIT_UNKNOWN|FBC_BLIT_GXFULL)) +#define CG6_DRAW_WAIT(sc) \ + while ((FBC_READ(sc, CG6_FBC_DRAW) & \ + (FBC_DRAW_UNKNOWN|FBC_DRAW_GXFULL)) == \ + (FBC_DRAW_UNKNOWN|FBC_DRAW_GXFULL)) +#define CG6_DRAIN(sc) \ + while (FBC_READ(sc, CG6_FBC_S) & FBC_S_GXINPROGRESS) + |