31144d9976
indicating an unhandled "command". ERESTART is -1, which can lead to confusion. ERESTART has been moved to -3 and EPASSTHROUGH has been placed at -4. No ioctl code should now return -1 anywhere. The ioctl() system call is now properly restartable.
790 lines
21 KiB
C
790 lines
21 KiB
C
/* $NetBSD: cfb.c,v 1.32 2002/03/17 19:41:02 atatat Exp $ */
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/*
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* Copyright (c) 1998, 1999 Tohru Nishimura. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Tohru Nishimura
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: cfb.c,v 1.32 2002/03/17 19:41:02 atatat Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/buf.h>
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#include <sys/ioctl.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/rasops/rasops.h>
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#include <dev/wsfont/wsfont.h>
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#include <dev/tc/tcvar.h>
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#include <dev/ic/bt459reg.h>
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#include <uvm/uvm_extern.h>
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#if defined(pmax)
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#define machine_btop(x) mips_btop(MIPS_KSEG1_TO_PHYS(x))
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#endif
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#if defined(alpha)
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#define machine_btop(x) alpha_btop(ALPHA_K0SEG_TO_PHYS(x))
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#endif
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/*
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* N.B., Bt459 registers are 8bit width. Some of TC framebuffers have
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* obscure register layout such as 2nd and 3rd Bt459 registers are
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* adjacent each other in a word, i.e.,
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* struct bt459triplet {
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* struct {
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* u_int8_t u0;
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* u_int8_t u1;
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* u_int8_t u2;
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* unsigned :8;
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* } bt_lo;
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* ...
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* Although CX has single Bt459, 32bit R/W can be done w/o any trouble.
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* struct bt459reg {
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* u_int32_t bt_lo;
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* u_int32_t bt_hi;
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* u_int32_t bt_reg;
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* u_int32_t bt_cmap;
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* };
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*/
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/* Bt459 hardware registers */
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#define bt_lo 0
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#define bt_hi 1
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#define bt_reg 2
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#define bt_cmap 3
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#define REG(base, index) *((u_int32_t *)(base) + (index))
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#define SELECT(vdac, regno) do { \
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REG(vdac, bt_lo) = ((regno) & 0x00ff); \
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REG(vdac, bt_hi) = ((regno) & 0x0f00) >> 8; \
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tc_wmb(); \
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} while (0)
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struct hwcmap256 {
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#define CMAP_SIZE 256 /* 256 R/G/B entries */
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u_int8_t r[CMAP_SIZE];
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u_int8_t g[CMAP_SIZE];
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u_int8_t b[CMAP_SIZE];
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};
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struct hwcursor64 {
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struct wsdisplay_curpos cc_pos;
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struct wsdisplay_curpos cc_hot;
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struct wsdisplay_curpos cc_size;
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struct wsdisplay_curpos cc_magic;
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#define CURSOR_MAX_SIZE 64
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u_int8_t cc_color[6];
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u_int64_t cc_image[64 + 64];
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};
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struct cfb_softc {
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struct device sc_dev;
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vaddr_t sc_vaddr;
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size_t sc_size;
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struct rasops_info *sc_ri;
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struct hwcmap256 sc_cmap; /* software copy of colormap */
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struct hwcursor64 sc_cursor; /* software copy of cursor */
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int sc_blanked;
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int sc_curenb; /* cursor sprite enabled */
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int sc_changed; /* need update of hardware */
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#define WSDISPLAY_CMAP_DOLUT 0x20
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int nscreens;
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};
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#define CX_MAGIC_X 220
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#define CX_MAGIC_Y 35
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#define CX_FB_OFFSET 0x000000
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#define CX_FB_SIZE 0x100000
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#define CX_BT459_OFFSET 0x200000
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#define CX_OFFSET_IREQ 0x300000 /* Interrupt req. control */
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static int cfbmatch __P((struct device *, struct cfdata *, void *));
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static void cfbattach __P((struct device *, struct device *, void *));
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const struct cfattach cfb_ca = {
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sizeof(struct cfb_softc), cfbmatch, cfbattach,
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};
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static void cfb_common_init __P((struct rasops_info *));
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static struct rasops_info cfb_console_ri;
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static tc_addr_t cfb_consaddr;
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static struct wsscreen_descr cfb_stdscreen = {
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"std", 0, 0,
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0, /* textops */
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0, 0,
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WSSCREEN_REVERSE
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};
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static const struct wsscreen_descr *_cfb_scrlist[] = {
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&cfb_stdscreen,
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};
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static const struct wsscreen_list cfb_screenlist = {
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sizeof(_cfb_scrlist) / sizeof(struct wsscreen_descr *), _cfb_scrlist
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};
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static int cfbioctl __P((void *, u_long, caddr_t, int, struct proc *));
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static paddr_t cfbmmap __P((void *, off_t, int));
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static int cfb_alloc_screen __P((void *, const struct wsscreen_descr *,
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void **, int *, int *, long *));
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static void cfb_free_screen __P((void *, void *));
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static int cfb_show_screen __P((void *, void *, int,
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void (*) (void *, int, int), void *));
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static const struct wsdisplay_accessops cfb_accessops = {
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cfbioctl,
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cfbmmap,
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cfb_alloc_screen,
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cfb_free_screen,
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cfb_show_screen,
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0 /* load_font */
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};
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int cfb_cnattach __P((tc_addr_t));
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static int cfbintr __P((void *));
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static void cfbhwinit __P((caddr_t));
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static int get_cmap __P((struct cfb_softc *, struct wsdisplay_cmap *));
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static int set_cmap __P((struct cfb_softc *, struct wsdisplay_cmap *));
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static int set_cursor __P((struct cfb_softc *, struct wsdisplay_cursor *));
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static int get_cursor __P((struct cfb_softc *, struct wsdisplay_cursor *));
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static void set_curpos __P((struct cfb_softc *, struct wsdisplay_curpos *));
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/*
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* Compose 2 bit/pixel cursor image. Bit order will be reversed.
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* M M M M I I I I M I M I M I M I
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* [ before ] [ after ]
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* 3 2 1 0 3 2 1 0 0 0 1 1 2 2 3 3
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* 7 6 5 4 7 6 5 4 4 4 5 5 6 6 7 7
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*/
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static const u_int8_t shuffle[256] = {
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0x00, 0x40, 0x10, 0x50, 0x04, 0x44, 0x14, 0x54,
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0x01, 0x41, 0x11, 0x51, 0x05, 0x45, 0x15, 0x55,
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0x80, 0xc0, 0x90, 0xd0, 0x84, 0xc4, 0x94, 0xd4,
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0x81, 0xc1, 0x91, 0xd1, 0x85, 0xc5, 0x95, 0xd5,
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0x20, 0x60, 0x30, 0x70, 0x24, 0x64, 0x34, 0x74,
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0x21, 0x61, 0x31, 0x71, 0x25, 0x65, 0x35, 0x75,
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0xa0, 0xe0, 0xb0, 0xf0, 0xa4, 0xe4, 0xb4, 0xf4,
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0xa1, 0xe1, 0xb1, 0xf1, 0xa5, 0xe5, 0xb5, 0xf5,
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0x08, 0x48, 0x18, 0x58, 0x0c, 0x4c, 0x1c, 0x5c,
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0x09, 0x49, 0x19, 0x59, 0x0d, 0x4d, 0x1d, 0x5d,
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0x88, 0xc8, 0x98, 0xd8, 0x8c, 0xcc, 0x9c, 0xdc,
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0x89, 0xc9, 0x99, 0xd9, 0x8d, 0xcd, 0x9d, 0xdd,
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0x28, 0x68, 0x38, 0x78, 0x2c, 0x6c, 0x3c, 0x7c,
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0x29, 0x69, 0x39, 0x79, 0x2d, 0x6d, 0x3d, 0x7d,
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0xa8, 0xe8, 0xb8, 0xf8, 0xac, 0xec, 0xbc, 0xfc,
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0xa9, 0xe9, 0xb9, 0xf9, 0xad, 0xed, 0xbd, 0xfd,
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0x02, 0x42, 0x12, 0x52, 0x06, 0x46, 0x16, 0x56,
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0x03, 0x43, 0x13, 0x53, 0x07, 0x47, 0x17, 0x57,
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0x82, 0xc2, 0x92, 0xd2, 0x86, 0xc6, 0x96, 0xd6,
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0x83, 0xc3, 0x93, 0xd3, 0x87, 0xc7, 0x97, 0xd7,
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0x22, 0x62, 0x32, 0x72, 0x26, 0x66, 0x36, 0x76,
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0x23, 0x63, 0x33, 0x73, 0x27, 0x67, 0x37, 0x77,
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0xa2, 0xe2, 0xb2, 0xf2, 0xa6, 0xe6, 0xb6, 0xf6,
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0xa3, 0xe3, 0xb3, 0xf3, 0xa7, 0xe7, 0xb7, 0xf7,
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0x0a, 0x4a, 0x1a, 0x5a, 0x0e, 0x4e, 0x1e, 0x5e,
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0x0b, 0x4b, 0x1b, 0x5b, 0x0f, 0x4f, 0x1f, 0x5f,
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0x8a, 0xca, 0x9a, 0xda, 0x8e, 0xce, 0x9e, 0xde,
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0x8b, 0xcb, 0x9b, 0xdb, 0x8f, 0xcf, 0x9f, 0xdf,
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0x2a, 0x6a, 0x3a, 0x7a, 0x2e, 0x6e, 0x3e, 0x7e,
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0x2b, 0x6b, 0x3b, 0x7b, 0x2f, 0x6f, 0x3f, 0x7f,
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0xaa, 0xea, 0xba, 0xfa, 0xae, 0xee, 0xbe, 0xfe,
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0xab, 0xeb, 0xbb, 0xfb, 0xaf, 0xef, 0xbf, 0xff,
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};
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static int
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cfbmatch(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct tc_attach_args *ta = aux;
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if (strncmp("PMAG-BA ", ta->ta_modname, TC_ROM_LLEN) != 0)
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return (0);
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return (1);
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}
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static void
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cfbattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct cfb_softc *sc = (struct cfb_softc *)self;
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struct tc_attach_args *ta = aux;
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struct rasops_info *ri;
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struct wsemuldisplaydev_attach_args waa;
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struct hwcmap256 *cm;
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const u_int8_t *p;
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int console, index;
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console = (ta->ta_addr == cfb_consaddr);
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if (console) {
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sc->sc_ri = ri = &cfb_console_ri;
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sc->nscreens = 1;
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}
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else {
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MALLOC(ri, struct rasops_info *, sizeof(struct rasops_info),
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M_DEVBUF, M_NOWAIT);
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if (ri == NULL) {
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printf(": can't alloc memory\n");
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return;
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}
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memset(ri, 0, sizeof(struct rasops_info));
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ri->ri_hw = (void *)ta->ta_addr;
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cfb_common_init(ri);
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sc->sc_ri = ri;
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}
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printf(": %dx%d, %dbpp\n", ri->ri_width, ri->ri_height, ri->ri_depth);
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cm = &sc->sc_cmap;
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p = rasops_cmap;
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for (index = 0; index < CMAP_SIZE; index++, p += 3) {
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cm->r[index] = p[0];
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cm->g[index] = p[1];
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cm->b[index] = p[2];
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}
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sc->sc_vaddr = ta->ta_addr;
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sc->sc_cursor.cc_magic.x = CX_MAGIC_X;
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sc->sc_cursor.cc_magic.y = CX_MAGIC_Y;
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sc->sc_blanked = sc->sc_curenb = 0;
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tc_intr_establish(parent, ta->ta_cookie, IPL_TTY, cfbintr, sc);
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/* clear any pending interrupts */
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*(u_int8_t *)((caddr_t)ri->ri_hw + CX_OFFSET_IREQ) = 0;
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waa.console = console;
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waa.scrdata = &cfb_screenlist;
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waa.accessops = &cfb_accessops;
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waa.accesscookie = sc;
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config_found(self, &waa, wsemuldisplaydevprint);
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}
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static void
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cfb_common_init(ri)
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struct rasops_info *ri;
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{
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caddr_t base;
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int cookie;
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base = (caddr_t)ri->ri_hw;
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/* initialize colormap and cursor hardware */
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cfbhwinit(base);
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ri->ri_flg = RI_CENTER;
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ri->ri_depth = 8;
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ri->ri_width = 1024;
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ri->ri_height = 864;
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ri->ri_stride = 1024;
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ri->ri_bits = base + CX_FB_OFFSET;
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/* clear the screen */
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memset(ri->ri_bits, 0, ri->ri_stride * ri->ri_height);
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wsfont_init();
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/* prefer 12 pixel wide font */
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cookie = wsfont_find(NULL, 12, 0, 0, WSDISPLAY_FONTORDER_L2R,
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WSDISPLAY_FONTORDER_L2R);
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if (cookie <= 0)
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cookie = wsfont_find(NULL, 0, 0, 0, WSDISPLAY_FONTORDER_L2R,
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WSDISPLAY_FONTORDER_L2R);
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if (cookie <= 0) {
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printf("cfb: font table is empty\n");
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return;
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}
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if (wsfont_lock(cookie, &ri->ri_font)) {
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printf("cfb: couldn't lock font\n");
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return;
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}
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ri->ri_wsfcookie = cookie;
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rasops_init(ri, 34, 80);
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/* XXX shouldn't be global */
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cfb_stdscreen.nrows = ri->ri_rows;
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cfb_stdscreen.ncols = ri->ri_cols;
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cfb_stdscreen.textops = &ri->ri_ops;
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cfb_stdscreen.capabilities = ri->ri_caps;
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}
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static int
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cfbioctl(v, cmd, data, flag, p)
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void *v;
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u_long cmd;
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caddr_t data;
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int flag;
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struct proc *p;
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{
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struct cfb_softc *sc = v;
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struct rasops_info *ri = sc->sc_ri;
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int turnoff;
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switch (cmd) {
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case WSDISPLAYIO_GTYPE:
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*(u_int *)data = WSDISPLAY_TYPE_CFB;
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return (0);
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case WSDISPLAYIO_GINFO:
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#define wsd_fbip ((struct wsdisplay_fbinfo *)data)
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wsd_fbip->height = ri->ri_height;
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wsd_fbip->width = ri->ri_width;
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wsd_fbip->depth = ri->ri_depth;
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wsd_fbip->cmsize = CMAP_SIZE;
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#undef fbt
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return (0);
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case WSDISPLAYIO_GETCMAP:
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return get_cmap(sc, (struct wsdisplay_cmap *)data);
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case WSDISPLAYIO_PUTCMAP:
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return set_cmap(sc, (struct wsdisplay_cmap *)data);
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case WSDISPLAYIO_SVIDEO:
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turnoff = *(int *)data == WSDISPLAYIO_VIDEO_OFF;
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if ((sc->sc_blanked == 0) ^ turnoff) {
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sc->sc_blanked = turnoff;
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/* XXX later XXX */
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}
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return (0);
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case WSDISPLAYIO_GVIDEO:
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*(u_int *)data = sc->sc_blanked ?
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WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON;
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return (0);
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case WSDISPLAYIO_GCURPOS:
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*(struct wsdisplay_curpos *)data = sc->sc_cursor.cc_pos;
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return (0);
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case WSDISPLAYIO_SCURPOS:
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set_curpos(sc, (struct wsdisplay_curpos *)data);
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sc->sc_changed |= WSDISPLAY_CURSOR_DOPOS;
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return (0);
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case WSDISPLAYIO_GCURMAX:
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((struct wsdisplay_curpos *)data)->x =
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((struct wsdisplay_curpos *)data)->y = CURSOR_MAX_SIZE;
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return (0);
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case WSDISPLAYIO_GCURSOR:
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return get_cursor(sc, (struct wsdisplay_cursor *)data);
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case WSDISPLAYIO_SCURSOR:
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return set_cursor(sc, (struct wsdisplay_cursor *)data);
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}
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return EPASSTHROUGH;
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}
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paddr_t
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cfbmmap(v, offset, prot)
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void *v;
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off_t offset;
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int prot;
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{
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struct cfb_softc *sc = v;
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if (offset >= CX_FB_SIZE || offset < 0)
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return (-1);
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return machine_btop(sc->sc_vaddr + CX_FB_OFFSET + offset);
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}
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static int
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cfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp)
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|
void *v;
|
|
const struct wsscreen_descr *type;
|
|
void **cookiep;
|
|
int *curxp, *curyp;
|
|
long *attrp;
|
|
{
|
|
struct cfb_softc *sc = v;
|
|
struct rasops_info *ri = sc->sc_ri;
|
|
long defattr;
|
|
|
|
if (sc->nscreens > 0)
|
|
return (ENOMEM);
|
|
|
|
*cookiep = ri; /* one and only for now */
|
|
*curxp = 0;
|
|
*curyp = 0;
|
|
(*ri->ri_ops.alloc_attr)(ri, 0, 0, 0, &defattr);
|
|
*attrp = defattr;
|
|
sc->nscreens++;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
cfb_free_screen(v, cookie)
|
|
void *v;
|
|
void *cookie;
|
|
{
|
|
struct cfb_softc *sc = v;
|
|
|
|
if (sc->sc_ri == &cfb_console_ri)
|
|
panic("cfb_free_screen: console");
|
|
|
|
sc->nscreens--;
|
|
}
|
|
|
|
static int
|
|
cfb_show_screen(v, cookie, waitok, cb, cbarg)
|
|
void *v;
|
|
void *cookie;
|
|
int waitok;
|
|
void (*cb) __P((void *, int, int));
|
|
void *cbarg;
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* EXPORT */ int
|
|
cfb_cnattach(addr)
|
|
tc_addr_t addr;
|
|
{
|
|
struct rasops_info *ri;
|
|
long defattr;
|
|
|
|
ri = &cfb_console_ri;
|
|
ri->ri_hw = (void *)addr;
|
|
cfb_common_init(ri);
|
|
(*ri->ri_ops.alloc_attr)(ri, 0, 0, 0, &defattr);
|
|
wsdisplay_cnattach(&cfb_stdscreen, ri, 0, 0, defattr);
|
|
cfb_consaddr = addr;
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
cfbintr(arg)
|
|
void *arg;
|
|
{
|
|
struct cfb_softc *sc = arg;
|
|
caddr_t base, vdac;
|
|
int v;
|
|
|
|
base = (caddr_t)sc->sc_ri->ri_hw;
|
|
*(u_int8_t *)(base + CX_OFFSET_IREQ) = 0;
|
|
if (sc->sc_changed == 0)
|
|
return (1);
|
|
|
|
vdac = base + CX_BT459_OFFSET;
|
|
v = sc->sc_changed;
|
|
if (v & WSDISPLAY_CURSOR_DOCUR) {
|
|
SELECT(vdac, BT459_IREG_CCR);
|
|
REG(vdac, bt_reg) = (sc->sc_curenb) ? 0xc0 : 0x00;
|
|
}
|
|
if (v & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) {
|
|
int x, y;
|
|
|
|
x = sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x;
|
|
y = sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y;
|
|
|
|
x += sc->sc_cursor.cc_magic.x;
|
|
y += sc->sc_cursor.cc_magic.y;
|
|
|
|
SELECT(vdac, BT459_IREG_CURSOR_X_LOW);
|
|
REG(vdac, bt_reg) = x; tc_wmb();
|
|
REG(vdac, bt_reg) = x >> 8; tc_wmb();
|
|
REG(vdac, bt_reg) = y; tc_wmb();
|
|
REG(vdac, bt_reg) = y >> 8; tc_wmb();
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOCMAP) {
|
|
u_int8_t *cp = sc->sc_cursor.cc_color;
|
|
|
|
SELECT(vdac, BT459_IREG_CCOLOR_2);
|
|
REG(vdac, bt_reg) = cp[1]; tc_wmb();
|
|
REG(vdac, bt_reg) = cp[3]; tc_wmb();
|
|
REG(vdac, bt_reg) = cp[5]; tc_wmb();
|
|
|
|
REG(vdac, bt_reg) = cp[0]; tc_wmb();
|
|
REG(vdac, bt_reg) = cp[2]; tc_wmb();
|
|
REG(vdac, bt_reg) = cp[4]; tc_wmb();
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
|
|
u_int8_t *ip, *mp, img, msk;
|
|
u_int8_t u;
|
|
int bcnt;
|
|
|
|
ip = (u_int8_t *)sc->sc_cursor.cc_image;
|
|
mp = (u_int8_t *)(sc->sc_cursor.cc_image + CURSOR_MAX_SIZE);
|
|
|
|
bcnt = 0;
|
|
SELECT(vdac, BT459_IREG_CRAM_BASE+0);
|
|
/* 64 pixel scan line is consisted with 16 byte cursor ram */
|
|
while (bcnt < sc->sc_cursor.cc_size.y * 16) {
|
|
/* pad right half 32 pixel when smaller than 33 */
|
|
if ((bcnt & 0x8) && sc->sc_cursor.cc_size.x < 33) {
|
|
REG(vdac, bt_reg) = 0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0; tc_wmb();
|
|
}
|
|
else {
|
|
img = *ip++;
|
|
msk = *mp++;
|
|
img &= msk; /* cookie off image */
|
|
u = (msk & 0x0f) << 4 | (img & 0x0f);
|
|
REG(vdac, bt_reg) = shuffle[u]; tc_wmb();
|
|
u = (msk & 0xf0) | (img & 0xf0) >> 4;
|
|
REG(vdac, bt_reg) = shuffle[u]; tc_wmb();
|
|
}
|
|
bcnt += 2;
|
|
}
|
|
/* pad unoccupied scan lines */
|
|
while (bcnt < CURSOR_MAX_SIZE * 16) {
|
|
REG(vdac, bt_reg) = 0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0; tc_wmb();
|
|
bcnt += 2;
|
|
}
|
|
}
|
|
if (v & WSDISPLAY_CMAP_DOLUT) {
|
|
struct hwcmap256 *cm = &sc->sc_cmap;
|
|
int index;
|
|
|
|
SELECT(vdac, 0);
|
|
for (index = 0; index < CMAP_SIZE; index++) {
|
|
REG(vdac, bt_cmap) = cm->r[index]; tc_wmb();
|
|
REG(vdac, bt_cmap) = cm->g[index]; tc_wmb();
|
|
REG(vdac, bt_cmap) = cm->b[index]; tc_wmb();
|
|
}
|
|
}
|
|
sc->sc_changed = 0;
|
|
return (1);
|
|
}
|
|
|
|
static void
|
|
cfbhwinit(cfbbase)
|
|
caddr_t cfbbase;
|
|
{
|
|
caddr_t vdac = cfbbase + CX_BT459_OFFSET;
|
|
const u_int8_t *p;
|
|
int i;
|
|
|
|
SELECT(vdac, BT459_IREG_COMMAND_0);
|
|
REG(vdac, bt_reg) = 0x40; /* CMD0 */ tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; /* CMD1 */ tc_wmb();
|
|
REG(vdac, bt_reg) = 0xc0; /* CMD2 */ tc_wmb();
|
|
REG(vdac, bt_reg) = 0xff; /* PRM */ tc_wmb();
|
|
REG(vdac, bt_reg) = 0; /* 205 */ tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; /* PBM */ tc_wmb();
|
|
REG(vdac, bt_reg) = 0; /* 207 */ tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; /* ORM */ tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; /* OBM */ tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; /* ILV */ tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; /* TEST */ tc_wmb();
|
|
|
|
SELECT(vdac, BT459_IREG_CCR);
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0x0; tc_wmb();
|
|
|
|
/* build sane colormap */
|
|
SELECT(vdac, 0);
|
|
p = rasops_cmap;
|
|
for (i = 0; i < CMAP_SIZE; i++, p += 3) {
|
|
REG(vdac, bt_cmap) = p[0]; tc_wmb();
|
|
REG(vdac, bt_cmap) = p[1]; tc_wmb();
|
|
REG(vdac, bt_cmap) = p[2]; tc_wmb();
|
|
}
|
|
|
|
/* clear out cursor image */
|
|
SELECT(vdac, BT459_IREG_CRAM_BASE);
|
|
for (i = 0; i < 1024; i++)
|
|
REG(vdac, bt_reg) = 0xff; tc_wmb();
|
|
|
|
/*
|
|
* 2 bit/pixel cursor. Assign MSB for cursor mask and LSB for
|
|
* cursor image. CCOLOR_2 for mask color, while CCOLOR_3 for
|
|
* image color. CCOLOR_1 will be never used.
|
|
*/
|
|
SELECT(vdac, BT459_IREG_CCOLOR_1);
|
|
REG(vdac, bt_reg) = 0xff; tc_wmb();
|
|
REG(vdac, bt_reg) = 0xff; tc_wmb();
|
|
REG(vdac, bt_reg) = 0xff; tc_wmb();
|
|
|
|
REG(vdac, bt_reg) = 0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0; tc_wmb();
|
|
REG(vdac, bt_reg) = 0; tc_wmb();
|
|
|
|
REG(vdac, bt_reg) = 0xff; tc_wmb();
|
|
REG(vdac, bt_reg) = 0xff; tc_wmb();
|
|
REG(vdac, bt_reg) = 0xff; tc_wmb();
|
|
}
|
|
|
|
static int
|
|
get_cmap(sc, p)
|
|
struct cfb_softc *sc;
|
|
struct wsdisplay_cmap *p;
|
|
{
|
|
u_int index = p->index, count = p->count;
|
|
|
|
if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE)
|
|
return (EINVAL);
|
|
|
|
if (!uvm_useracc(p->red, count, B_WRITE) ||
|
|
!uvm_useracc(p->green, count, B_WRITE) ||
|
|
!uvm_useracc(p->blue, count, B_WRITE))
|
|
return (EFAULT);
|
|
|
|
copyout(&sc->sc_cmap.r[index], p->red, count);
|
|
copyout(&sc->sc_cmap.g[index], p->green, count);
|
|
copyout(&sc->sc_cmap.b[index], p->blue, count);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
set_cmap(sc, p)
|
|
struct cfb_softc *sc;
|
|
struct wsdisplay_cmap *p;
|
|
{
|
|
u_int index = p->index, count = p->count;
|
|
|
|
if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE)
|
|
return (EINVAL);
|
|
|
|
if (!uvm_useracc(p->red, count, B_READ) ||
|
|
!uvm_useracc(p->green, count, B_READ) ||
|
|
!uvm_useracc(p->blue, count, B_READ))
|
|
return (EFAULT);
|
|
|
|
copyin(p->red, &sc->sc_cmap.r[index], count);
|
|
copyin(p->green, &sc->sc_cmap.g[index], count);
|
|
copyin(p->blue, &sc->sc_cmap.b[index], count);
|
|
sc->sc_changed |= WSDISPLAY_CMAP_DOLUT;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
set_cursor(sc, p)
|
|
struct cfb_softc *sc;
|
|
struct wsdisplay_cursor *p;
|
|
{
|
|
#define cc (&sc->sc_cursor)
|
|
u_int v, index, count, icount;
|
|
|
|
v = p->which;
|
|
if (v & WSDISPLAY_CURSOR_DOCMAP) {
|
|
index = p->cmap.index;
|
|
count = p->cmap.count;
|
|
if (index >= 2 || (index + count) > 2)
|
|
return (EINVAL);
|
|
if (!uvm_useracc(p->cmap.red, count, B_READ) ||
|
|
!uvm_useracc(p->cmap.green, count, B_READ) ||
|
|
!uvm_useracc(p->cmap.blue, count, B_READ))
|
|
return (EFAULT);
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
|
|
if (p->size.x > CURSOR_MAX_SIZE || p->size.y > CURSOR_MAX_SIZE)
|
|
return (EINVAL);
|
|
icount = ((p->size.x < 33) ? 4 : 8) * p->size.y;
|
|
if (!uvm_useracc(p->image, icount, B_READ) ||
|
|
!uvm_useracc(p->mask, icount, B_READ))
|
|
return (EFAULT);
|
|
}
|
|
|
|
if (v & WSDISPLAY_CURSOR_DOCUR)
|
|
sc->sc_curenb = p->enable;
|
|
if (v & WSDISPLAY_CURSOR_DOPOS)
|
|
set_curpos(sc, &p->pos);
|
|
if (v & WSDISPLAY_CURSOR_DOHOT)
|
|
cc->cc_hot = p->hot;
|
|
if (v & WSDISPLAY_CURSOR_DOCMAP) {
|
|
copyin(p->cmap.red, &cc->cc_color[index], count);
|
|
copyin(p->cmap.green, &cc->cc_color[index + 2], count);
|
|
copyin(p->cmap.blue, &cc->cc_color[index + 4], count);
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
|
|
cc->cc_size = p->size;
|
|
memset(cc->cc_image, 0, sizeof cc->cc_image);
|
|
copyin(p->image, cc->cc_image, icount);
|
|
copyin(p->mask, cc->cc_image+CURSOR_MAX_SIZE, icount);
|
|
}
|
|
sc->sc_changed |= v;
|
|
|
|
return (0);
|
|
#undef cc
|
|
}
|
|
|
|
static int
|
|
get_cursor(sc, p)
|
|
struct cfb_softc *sc;
|
|
struct wsdisplay_cursor *p;
|
|
{
|
|
return (EPASSTHROUGH); /* XXX */
|
|
}
|
|
|
|
static void
|
|
set_curpos(sc, curpos)
|
|
struct cfb_softc *sc;
|
|
struct wsdisplay_curpos *curpos;
|
|
{
|
|
struct rasops_info *ri = sc->sc_ri;
|
|
int x = curpos->x, y = curpos->y;
|
|
|
|
if (y < 0)
|
|
y = 0;
|
|
else if (y > ri->ri_height)
|
|
y = ri->ri_height;
|
|
if (x < 0)
|
|
x = 0;
|
|
else if (x > ri->ri_width)
|
|
x = ri->ri_width;
|
|
sc->sc_cursor.cc_pos.x = x;
|
|
sc->sc_cursor.cc_pos.y = y;
|
|
}
|