/* $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 <dev/videomode/videomode.h>
#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_ */