/* * Copyright (c) 1995 Ezra Story * Copyright (c) 1995 Kari Mettinen * Copyright (c) 1994 Markus Wild * Copyright (c) 1994 Lutz Vieweg * 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 Lutz Vieweg. * 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. */ #ifndef _GRF_CLREG_H #define _GRF_CLREG_H /* * Written & Copyright by Kari Mettinen, Ezra Story. * * This is derived from retina driver source */ /* Extension to grfvideo_mode to support text modes. * This can be passed to both text & gfx functions * without worry. If gv.depth == 4, then the extended * fields for a text mode are present. */ struct grfcltext_mode { struct grfvideo_mode gv; unsigned short fx; /* font x dimension */ unsigned short fy; /* font y dimension */ unsigned short cols; /* screen dimensions */ unsigned short rows; void *fdata; /* font data */ unsigned short fdstart; unsigned short fdend; }; /* 5426 boards types, stored in cltype in grf_cl.c . * used to decide how to handle SR7 and Pass-through */ #define PICASSO 2167 #define SPECTRUM 2193 #define PICCOLO 2195 /* read VGA register */ #define vgar(ba, reg) (*(((volatile unsigned char *)ba)+reg)) /* write VGA register */ #define vgaw(ba, reg, val) \ *(((volatile unsigned char *)ba)+reg) = ((val) & 0xff) /* * defines for the used register addresses (mw) * * NOTE: there are some registers that have different addresses when * in mono or color mode. We only support color mode, and thus * some addresses won't work in mono-mode! * * General and VGA-registers taken from retina driver. Fixed a few * bugs in it. (SR and GR read address is Port + 1, NOT Port) * */ /* General Registers: */ #define GREG_STATUS0_R 0x03C2 #define GREG_STATUS1_R 0x03DA #define GREG_MISC_OUTPUT_R 0x03CC #define GREG_MISC_OUTPUT_W 0x03C2 #define GREG_FEATURE_CONTROL_R 0x03CA #define GREG_FEATURE_CONTROL_W 0x03DA #define GREG_POS 0x0102 /* Attribute Controller: */ #define ACT_ADDRESS 0x03C0 #define ACT_ADDRESS_R 0x03C1 #define ACT_ADDRESS_W 0x03C0 #define ACT_ADDRESS_RESET 0x03DA #define ACT_ID_PALETTE0 0x00 #define ACT_ID_PALETTE1 0x01 #define ACT_ID_PALETTE2 0x02 #define ACT_ID_PALETTE3 0x03 #define ACT_ID_PALETTE4 0x04 #define ACT_ID_PALETTE5 0x05 #define ACT_ID_PALETTE6 0x06 #define ACT_ID_PALETTE7 0x07 #define ACT_ID_PALETTE8 0x08 #define ACT_ID_PALETTE9 0x09 #define ACT_ID_PALETTE10 0x0A #define ACT_ID_PALETTE11 0x0B #define ACT_ID_PALETTE12 0x0C #define ACT_ID_PALETTE13 0x0D #define ACT_ID_PALETTE14 0x0E #define ACT_ID_PALETTE15 0x0F #define ACT_ID_ATTR_MODE_CNTL 0x10 #define ACT_ID_OVERSCAN_COLOR 0x11 #define ACT_ID_COLOR_PLANE_ENA 0x12 #define ACT_ID_HOR_PEL_PANNING 0x13 #define ACT_ID_COLOR_SELECT 0x14 /* Graphics Controller: */ #define GCT_ADDRESS 0x03CE #define GCT_ADDRESS_R 0x03CF #define GCT_ADDRESS_W 0x03CF #define GCT_ID_SET_RESET 0x00 #define GCT_WR5_BG_EXT 0x00 #define GCT_ID_ENABLE_SET_RESET 0x01 #define GCT_ID_WR45_FG_EXT 0x01 #define GCT_ID_COLOR_COMPARE 0x02 #define GCT_ID_DATA_ROTATE 0x03 #define GCT_ID_READ_MAP_SELECT 0x04 #define GCT_ID_GRAPHICS_MODE 0x05 #define GCT_ID_MISC 0x06 #define GCT_ID_COLOR_XCARE 0x07 #define GCT_ID_BITMASK 0x08 #define GCT_ID_OFFSET_0 0x09 #define GCT_ID_OFFSET_1 0x0A #define GCT_ID_MODE_EXT 0x0B #define GCT_ID_COLOR_KEY 0x0C #define GCT_ID_COLOR_KEY_MASK 0x0D #define GCT_ID_MISC_CNTL 0x0E #define GCT_ID_16BIT_BG_HIGH 0x10 #define GCT_ID_16BIT_FG_HIGH 0x11 #define GCT_ID_BLT_WIDTH_LOW 0x20 #define GCT_ID_BLT_WIDTH_HIGH 0x21 #define GCT_ID_BLT_HEIGHT_LOW 0x22 #define GCT_ID_BLT_HEIGHT_HIGH 0x23 #define GCT_ID_DST_PITCH_LOW 0x24 #define GCT_ID_DST_PITCH_HIGH 0x25 #define GCT_ID_SRC_PITCH_LOW 0x26 #define GCT_ID_SRC_PITCH_HIGH 0x27 #define GCT_ID_DST_START_LOW 0x28 #define GCT_ID_DST_START_MID 0x29 #define GCT_ID_DST_START_HIGH 0x2A #define GCT_ID_SRC_START_LOW 0x2C #define GCT_ID_SRC_START_MID 0x2D #define GCT_ID_SRC_START_HIGH 0x2E #define GCT_ID_BLT_MODE 0x30 #define GCT_ID_BLT_STAT_START 0x31 #define GCT_ID_BLT_ROP 0x32 #define GCT_ID_TRP_COL_LOW 0x34 /* transparent color */ #define GCT_ID_TRP_COL_HIGH 0x35 #define GCT_ID_TRP_MASK_LOW 0x38 #define GCT_ID_TRP_MASK_HIGH 0x39 /* Sequencer: */ #define SEQ_ADDRESS 0x03C4 #define SEQ_ADDRESS_R 0x03C5 #define SEQ_ADDRESS_W 0x03C5 #define SEQ_ID_RESET 0x00 #define SEQ_ID_CLOCKING_MODE 0x01 #define SEQ_ID_MAP_MASK 0x02 #define SEQ_ID_CHAR_MAP_SELECT 0x03 #define TEXT_PLANE_CHAR 0x01 #define TEXT_PLANE_ATTR 0x02 #define TEXT_PLANE_FONT 0x04 #define SEQ_ID_MEMORY_MODE 0x04 #define SEQ_ID_UNLOCK_EXT 0x06 /* down from here, all seq registers are Cirrus extensions */ #define SEQ_ID_EXT_SEQ_MODE 0x07 #define SEQ_ID_EEPROM_CNTL 0x08 #define SEQ_ID_SCRATCH_0 0x09 #define SEQ_ID_SCRATCH_1 0x0A #define SEQ_ID_VCLK_0_NUM 0x0B #define SEQ_ID_VCLK_1_NUM 0x0C #define SEQ_ID_VCLK_2_NUM 0x0D #define SEQ_ID_VCLK_3_NUM 0x0E #define SEQ_ID_DRAM_CNTL 0x0F #define SEQ_ID_CURSOR_X 0x10 /* Cursor position can't be set with WSeq */ #define SEQ_ID_CURSOR_Y 0x11 #define SEQ_ID_CURSOR_ATTR 0x12 #define SEQ_ID_CURSOR_STORE 0x13 #define SEQ_ID_SCRATCH_2 0x14 #define SEQ_ID_SCRATCH_3 0x15 #define SEQ_ID_PERF_TUNE 0x16 #define SEQ_ID_CONF_RBACK 0x17 #define SEQ_ID_SIG_CNTL 0x18 #define SEQ_ID_SIG_RES_LOW 0x19 #define SEQ_ID_SIG_RES_HIGH 0x1A #define SEQ_ID_VCLK_0_DENOM 0x1B #define SEQ_ID_VCLK_1_DENOM 0x1C #define SEQ_ID_VCLK_2_DENOM 0x1D #define SEQ_ID_VCLK_3_DENOM 0x1E #define SEQ_ID_MCLK_SELECT 0x1F /* CRT Controller: */ #define CRT_ADDRESS 0x03D4 #define CRT_ADDRESS_R 0x03D5 #define CRT_ADDRESS_W 0x03D5 #define CRT_ID_HOR_TOTAL 0x00 #define CRT_ID_HOR_DISP_ENA_END 0x01 #define CRT_ID_START_HOR_BLANK 0x02 #define CRT_ID_END_HOR_BLANK 0x03 #define CRT_ID_START_HOR_RETR 0x04 #define CRT_ID_END_HOR_RETR 0x05 #define CRT_ID_VER_TOTAL 0x06 #define CRT_ID_OVERFLOW 0x07 #define CRT_ID_PRESET_ROW_SCAN 0x08 #define CRT_ID_CHAR_HEIGHT 0x09 /* was MAX_SCANLINES on retina, weird, eh? */ #define CRT_ID_CURSOR_START 0x0A #define CRT_ID_CURSOR_END 0x0B #define CRT_ID_START_ADDR_HIGH 0x0C #define CRT_ID_START_ADDR_LOW 0x0D #define CRT_ID_CURSOR_LOC_HIGH 0x0E #define CRT_ID_CURSOR_LOC_LOW 0x0F #define CRT_ID_START_VER_RETR 0x10 #define CRT_ID_END_VER_RETR 0x11 #define CRT_ID_VER_DISP_ENA_END 0x12 #define CRT_ID_OFFSET 0x13 #define CRT_ID_UNDERLINE_LOC 0x14 #define CRT_ID_START_VER_BLANK 0x15 #define CRT_ID_END_VER_BLANK 0x16 #define CRT_ID_MODE_CONTROL 0x17 #define CRT_ID_LINE_COMPARE 0x18 #define CRT_ID_LACE_END 0x19 #define CRT_ID_LACE_CNTL 0x1A #define CRT_ID_EXT_DISP_CNTL 0x1B #define CRT_ID_GD_LATCH_RBACK 0x22 #define CRT_ID_ACT_TOGGLE_RBACK 0x24 #define CRT_ID_ACT_INDEX_RBACK 0x26 /* Pass-through */ #define PASS_ADDRESS 0x8000 #define PASS_ADDRESS_W 0x8000 /* Special Picasso Address */ #define PASS_ADDRESS_WP 0x9000 /* Video DAC */ #define VDAC_ADDRESS 0x03c8 #define VDAC_ADDRESS_W 0x03c8 #define VDAC_ADDRESS_R 0x03c7 #define VDAC_STATE 0x03c7 #define VDAC_DATA 0x03c9 #define VDAC_MASK 0x03c6 #define HDR 0x03c6 /* Hidden DAC register, 4 reads to access */ #define WGfx(ba, idx, val) \ do { vgaw(ba, GCT_ADDRESS, idx); vgaw(ba, GCT_ADDRESS_W , val); } while (0) #define WSeq(ba, idx, val) \ do { vgaw(ba, SEQ_ADDRESS, idx); vgaw(ba, SEQ_ADDRESS_W , val); } while (0) #define WCrt(ba, idx, val) \ do { vgaw(ba, CRT_ADDRESS, idx); vgaw(ba, CRT_ADDRESS_W , val); } while (0) #define WAttr(ba, idx, val) \ do { \ unsigned char tmp;\ vgaw(ba, CRT_ADDRESS, CRT_ID_ACT_TOGGLE_RBACK);\ tmp = vgar(ba, CRT_ADDRESS_R);\ if(tmp & 0x80)vgaw(ba,ACT_ADDRESS_W,vgar(ba,ACT_ADDRESS_R));\ vgaw(ba, ACT_ADDRESS_W, idx);\ vgaw(ba, ACT_ADDRESS_W, val);\ } while (0) #define SetTextPlane(ba, m) \ do { \ WGfx(ba, GCT_ID_READ_MAP_SELECT, m & 3 );\ WSeq(ba, SEQ_ID_MAP_MASK, (1 << (m & 3)));\ } while (0) /* Special wakeup/passthrough registers on graphics boards * * The methods have diverged a bit for each board, so * WPass(P) has been converted into a set of specific * inline functions. */ static inline void RegWakeup(volatile void *ba) { extern int cltype; extern unsigned char pass_toggle; switch (cltype) { case SPECTRUM: vgaw(ba, PASS_ADDRESS_W, 0x1f); break; case PICASSO: vgaw(ba, PASS_ADDRESS_W, 0xff); break; case PICCOLO: vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) | 0x10); break; } delay(200000); } static inline void RegOnpass(volatile void *ba) { extern int cltype; extern unsigned char pass_toggle; switch (cltype) { case SPECTRUM: vgaw(ba, PASS_ADDRESS_W, 0x4f); break; case PICASSO: vgaw(ba, PASS_ADDRESS_WP, 0x01); break; case PICCOLO: vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) & 0xdf); break; } pass_toggle = 1; delay(200000); } static inline void RegOffpass(volatile void *ba) { extern int cltype; extern unsigned char pass_toggle; switch (cltype) { case SPECTRUM: vgaw(ba, PASS_ADDRESS_W, 0x6f); break; case PICASSO: vgaw(ba, PASS_ADDRESS_W, 0xff); delay(200000); vgaw(ba, PASS_ADDRESS_W, 0xff); break; case PICCOLO: vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) | 0x20); break; } pass_toggle = 0; delay(200000); } static inline unsigned char RAttr(volatile void * ba, short idx) { unsigned char tmp; vgaw(ba, CRT_ADDRESS, CRT_ID_ACT_TOGGLE_RBACK); tmp = vgar(ba, CRT_ADDRESS_R); if(tmp & 0x80)vgar(ba,ACT_ADDRESS_R); vgaw(ba, ACT_ADDRESS_W, idx); return vgar (ba, ACT_ADDRESS_R); } static inline unsigned char RSeq(volatile void * ba, short idx) { vgaw (ba, SEQ_ADDRESS, idx); return vgar (ba, SEQ_ADDRESS_R); } static inline unsigned char RCrt(volatile void * ba, short idx) { vgaw (ba, CRT_ADDRESS, idx); return vgar (ba, CRT_ADDRESS_R); } static inline unsigned char RGfx(volatile void * ba, short idx) { vgaw(ba, GCT_ADDRESS, idx); return vgar (ba, GCT_ADDRESS_R); } int cl_mode __P((register struct grf_softc *gp, int cmd, void *arg, int a2, int a3)); int cl_load_mon __P((struct grf_softc *gp, struct grfcltext_mode *gv)); int grfcl_cnprobe __P((void)); void grfcl_iteinit __P((struct grf_softc *gp)); #endif /* _GRF_RHREG_H */