/* $NetBSD: igsfbvar.h,v 1.20 2011/07/26 08:59:37 mrg Exp $ */ /* * Copyright (c) 2002, 2003 Valeriy E. Ushakov * 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. 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. */ /* * Integraphics Systems IGA 168x and CyberPro series. */ #ifndef _DEV_IC_IGSFBVAR_H_ #define _DEV_IC_IGSFBVAR_H_ #include #define IGS_CMAP_SIZE 256 /* 256 R/G/B entries */ struct igs_hwcmap { uint8_t r[IGS_CMAP_SIZE]; uint8_t g[IGS_CMAP_SIZE]; uint8_t b[IGS_CMAP_SIZE]; }; #define IGS_CURSOR_MAX_SIZE 64 /* 64x64 sprite */ struct igs_hwcursor { struct wsdisplay_curpos cc_pos; struct wsdisplay_curpos cc_hot; struct wsdisplay_curpos cc_size; uint8_t cc_image[512]; /* save copy of image for GCURSOR */ uint8_t cc_mask[512]; /* save copy of mask for GCURSOR */ uint16_t cc_sprite[512]; /* sprite in device 2bpp format */ uint8_t cc_color[6]; /* 2 colors, 3 rgb components */ }; struct igsfb_devconfig { /* io space, may be memory mapped */ bus_space_tag_t dc_iot; bus_addr_t dc_iobase; int dc_ioflags; /* io registers */ bus_space_handle_t dc_ioh; /* graphic coprocessor */ bus_space_handle_t dc_coph; /* linear memory */ bus_space_tag_t dc_memt; bus_addr_t dc_memaddr; bus_size_t dc_memsz; /* size of linear address space including mmio */ int dc_memflags; /* video memory size */ bus_size_t dc_vmemsz; /* resolution */ int dc_width, dc_height, dc_depth, dc_stride; int dc_maxdepth; const struct videomode *dc_mode; char dc_modestring[128]; /* part of video memory mapped for wsscreen */ bus_space_handle_t dc_fbh; bus_size_t dc_fbsz; /* 1KB of cursor sprite data */ bus_space_handle_t dc_crh; /* product id: IGA 168x, CyberPro 2k &c */ int dc_id; /* flags that control driver operation */ int dc_hwflags; #define IGSFB_HW_BSWAP 0x1 /* endianness mismatch */ #define IGSFB_HW_BE_SELECT 0x2 /* big endian magic (cyberpro) */ #define IGSFB_HW_TEXT_CURSOR 0x4 /* do text cursor in hardware */ /* do we need to do bswap in software? */ #define IGSFB_HW_SOFT_BSWAP(dc) \ ((((dc)->dc_hwflags) & (IGSFB_HW_BSWAP | IGSFB_HW_BE_SELECT)) \ == IGSFB_HW_BSWAP) int dc_blanked; /* screen is currently blanked */ int dc_curenb; /* cursor sprite enabled */ int dc_mapped; /* currently in mapped mode */ /* saved dc_ri.ri_ops.putchar */ void (*dc_ri_putchar)(void *, int, int, u_int, long); /* optional MD mmap() method */ paddr_t (*dc_mmap)(void *, void *, off_t, int); struct igs_hwcmap dc_cmap; /* software copy of colormap */ struct igs_hwcursor dc_cursor; /* software copy of cursor sprite */ /* precomputed bit table for cursor sprite 1bpp -> 2bpp conversion */ uint16_t dc_bexpand[256]; /* virtual console support */ struct vcons_data dc_vd; struct vcons_screen dc_console; }; struct igsfb_softc { device_t sc_dev; struct igsfb_devconfig *sc_dc; }; /* * Access sugar for indexed registers */ static __inline uint8_t igs_idx_read(bus_space_tag_t, bus_space_handle_t, u_int, uint8_t); static __inline void igs_idx_write(bus_space_tag_t, bus_space_handle_t, u_int, uint8_t, uint8_t); static __inline uint8_t igs_idx_read(bus_space_tag_t t, bus_space_handle_t h, u_int idxport, uint8_t idx) { bus_space_write_1(t, h, idxport, idx); return (bus_space_read_1(t, h, idxport + 1)); } static __inline void igs_idx_write(bus_space_tag_t t, bus_space_handle_t h, u_int idxport, uint8_t idx, uint8_t val) { bus_space_write_1(t, h, idxport, idx); bus_space_write_1(t, h, idxport + 1, val); } /* sugar for sequencer controller */ #define igs_seq_read(t,h,x) \ (igs_idx_read((t),(h),IGS_SEQ_IDX,(x))) #define igs_seq_write(t,h,x,v) \ (igs_idx_write((t),(h),IGS_SEQ_IDX,(x),(v))) /* sugar for CRT controller */ #define igs_crtc_read(t,h,x) \ (igs_idx_read((t),(h),IGS_CRTC_IDX,(x))) #define igs_crtc_write(t,h,x,v) \ (igs_idx_write((t),(h),IGS_CRTC_IDX,(x),(v))) /* sugar for attribute controller */ #define igs_attr_flip_flop(t,h) \ ((void)bus_space_read_1((t),(h),IGS_INPUT_STATUS1)); #define igs_attr_read(t,h,x) \ (igs_idx_read((t),(h),IGS_ATTR_IDX,(x))) static __inline void igs_attr_write(bus_space_tag_t, bus_space_handle_t, uint8_t, uint8_t); static __inline void igs_attr_write(bus_space_tag_t t, bus_space_handle_t h, uint8_t idx, uint8_t val) { bus_space_write_1(t, h, IGS_ATTR_IDX, idx); bus_space_write_1(t, h, IGS_ATTR_IDX, val); /* sic, same register */ } /* sugar for graphics controller registers */ #define igs_grfx_read(t,h,x) (igs_idx_read((t),(h),IGS_GRFX_IDX,(x))) #define igs_grfx_write(t,h,x,v) (igs_idx_write((t),(h),IGS_GRFX_IDX,(x),(v))) /* sugar for extended registers */ #define igs_ext_read(t,h,x) (igs_idx_read((t),(h),IGS_EXT_IDX,(x))) #define igs_ext_write(t,h,x,v) (igs_idx_write((t),(h),IGS_EXT_IDX,(x),(v))) /* igsfb_subr.c */ int igsfb_enable(bus_space_tag_t, bus_addr_t, int); void igsfb_hw_setup(struct igsfb_devconfig *); void igsfb_1024x768_8bpp_60Hz(struct igsfb_devconfig *); void igsfb_set_mode(struct igsfb_devconfig *, const struct videomode *, int); /* igsfb.c */ int igsfb_cnattach_subr(struct igsfb_devconfig *); void igsfb_attach_subr(struct igsfb_softc *, int); extern struct igsfb_devconfig igsfb_console_dc; #endif /* _DEV_IC_IGSFBVAR_H_ */