781 lines
21 KiB
C
781 lines
21 KiB
C
/* $NetBSD: xcfb.c,v 1.20 2000/09/12 09:45:48 nisimura 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> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: xcfb.c,v 1.20 2000/09/12 09:45:48 nisimura 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/tc/ioasicreg.h>
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#include <dev/ic/ims332reg.h>
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#include <pmax/pmax/maxine.h>
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#include <uvm/uvm_extern.h>
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struct fb_devconfig {
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vaddr_t dc_vaddr; /* memory space virtual base address */
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paddr_t dc_paddr; /* memory space physical base address */
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vsize_t dc_size; /* size of slot memory */
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int dc_wid; /* width of frame buffer */
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int dc_ht; /* height of frame buffer */
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int dc_depth; /* depth, bits per pixel */
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int dc_rowbytes; /* bytes in a FB scan line */
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vaddr_t dc_videobase; /* base of flat frame buffer */
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int dc_blanked; /* currently has video disabled */
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struct rasops_info rinfo;
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};
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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; /* not used by PMAG-DV */
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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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#define XCFB_FB_OFFSET 0x2000000 /* from module's base */
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#define XCFB_FB_SIZE 0x100000 /* frame buffer size */
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#define IMS332_HIGH (IOASIC_SLOT_5_START)
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#define IMS332_RLOW (IOASIC_SLOT_7_START)
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#define IMS332_WLOW (IOASIC_SLOT_7_START + 0x20000)
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struct xcfb_softc {
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struct device sc_dev;
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struct fb_devconfig *sc_dc; /* device configuration */
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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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/* XXX MAXINE can take PMAG-DV virtical retrace interrupt XXX */
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int nscreens;
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/* cursor coordiate is located at upper-left corner */
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int sc_csr; /* software copy of IMS332 CSR A */
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};
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static int xcfbmatch __P((struct device *, struct cfdata *, void *));
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static void xcfbattach __P((struct device *, struct device *, void *));
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const struct cfattach xcfb_ca = {
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sizeof(struct xcfb_softc), xcfbmatch, xcfbattach,
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};
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static tc_addr_t xcfb_consaddr;
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static struct fb_devconfig xcfb_console_dc;
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static void xcfb_getdevconfig __P((tc_addr_t, struct fb_devconfig *));
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static void xcfbinit __P((struct fb_devconfig *));
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int xcfb_cnattach __P((void));
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struct wsscreen_descr xcfb_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 *_xcfb_scrlist[] = {
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&xcfb_stdscreen,
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};
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static const struct wsscreen_list xcfb_screenlist = {
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sizeof(_xcfb_scrlist) / sizeof(struct wsscreen_descr *), _xcfb_scrlist
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};
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static int xcfbioctl __P((void *, u_long, caddr_t, int, struct proc *));
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static paddr_t xcfbmmap __P((void *, off_t, int));
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static int xcfb_alloc_screen __P((void *, const struct wsscreen_descr *,
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void **, int *, int *, long *));
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static void xcfb_free_screen __P((void *, void *));
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static int xcfb_show_screen __P((void *, void *, int,
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void (*) (void *, int, int), void *));
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static const struct wsdisplay_accessops xcfb_accessops = {
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xcfbioctl,
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xcfbmmap,
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xcfb_alloc_screen,
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xcfb_free_screen,
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xcfb_show_screen,
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0 /* load_font */
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};
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static int xcfbintr __P((void *));
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static void xcfb_screenblank __P((struct xcfb_softc *));
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static int set_cmap __P((struct xcfb_softc *, struct wsdisplay_cmap *));
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static int get_cmap __P((struct xcfb_softc *, struct wsdisplay_cmap *));
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static int set_cursor __P((struct xcfb_softc *, struct wsdisplay_cursor *));
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static int get_cursor __P((struct xcfb_softc *, struct wsdisplay_cursor *));
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static void set_curpos __P((struct xcfb_softc *, struct wsdisplay_curpos *));
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static void ims332_loadcmap __P((struct hwcmap256 *));
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static void ims332_set_curpos __P((struct xcfb_softc *));
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static void ims332_load_curcmap __P((struct xcfb_softc *));
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static void ims332_load_curshape __P((struct xcfb_softc *));
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static void ims332_write_reg __P((int, u_int32_t));
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#if 0
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static u_int32_t ims332_read_reg __P((int));
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#endif
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extern long ioasic_base; /* XXX */
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/*
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* Compose 2 bit/pixel cursor image.
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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 3 3 2 2 1 1 0 0
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* 7 6 5 4 7 6 5 4 7 7 6 6 5 5 4 4
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*/
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static const u_int8_t shuffle[256] = {
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0x00, 0x01, 0x04, 0x05, 0x10, 0x11, 0x14, 0x15,
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0x40, 0x41, 0x44, 0x45, 0x50, 0x51, 0x54, 0x55,
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0x02, 0x03, 0x06, 0x07, 0x12, 0x13, 0x16, 0x17,
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0x42, 0x43, 0x46, 0x47, 0x52, 0x53, 0x56, 0x57,
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0x08, 0x09, 0x0c, 0x0d, 0x18, 0x19, 0x1c, 0x1d,
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0x48, 0x49, 0x4c, 0x4d, 0x58, 0x59, 0x5c, 0x5d,
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0x0a, 0x0b, 0x0e, 0x0f, 0x1a, 0x1b, 0x1e, 0x1f,
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0x4a, 0x4b, 0x4e, 0x4f, 0x5a, 0x5b, 0x5e, 0x5f,
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0x20, 0x21, 0x24, 0x25, 0x30, 0x31, 0x34, 0x35,
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0x60, 0x61, 0x64, 0x65, 0x70, 0x71, 0x74, 0x75,
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0x22, 0x23, 0x26, 0x27, 0x32, 0x33, 0x36, 0x37,
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0x62, 0x63, 0x66, 0x67, 0x72, 0x73, 0x76, 0x77,
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0x28, 0x29, 0x2c, 0x2d, 0x38, 0x39, 0x3c, 0x3d,
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0x68, 0x69, 0x6c, 0x6d, 0x78, 0x79, 0x7c, 0x7d,
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0x2a, 0x2b, 0x2e, 0x2f, 0x3a, 0x3b, 0x3e, 0x3f,
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0x6a, 0x6b, 0x6e, 0x6f, 0x7a, 0x7b, 0x7e, 0x7f,
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0x80, 0x81, 0x84, 0x85, 0x90, 0x91, 0x94, 0x95,
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0xc0, 0xc1, 0xc4, 0xc5, 0xd0, 0xd1, 0xd4, 0xd5,
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0x82, 0x83, 0x86, 0x87, 0x92, 0x93, 0x96, 0x97,
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0xc2, 0xc3, 0xc6, 0xc7, 0xd2, 0xd3, 0xd6, 0xd7,
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0x88, 0x89, 0x8c, 0x8d, 0x98, 0x99, 0x9c, 0x9d,
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0xc8, 0xc9, 0xcc, 0xcd, 0xd8, 0xd9, 0xdc, 0xdd,
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0x8a, 0x8b, 0x8e, 0x8f, 0x9a, 0x9b, 0x9e, 0x9f,
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0xca, 0xcb, 0xce, 0xcf, 0xda, 0xdb, 0xde, 0xdf,
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0xa0, 0xa1, 0xa4, 0xa5, 0xb0, 0xb1, 0xb4, 0xb5,
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0xe0, 0xe1, 0xe4, 0xe5, 0xf0, 0xf1, 0xf4, 0xf5,
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0xa2, 0xa3, 0xa6, 0xa7, 0xb2, 0xb3, 0xb6, 0xb7,
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0xe2, 0xe3, 0xe6, 0xe7, 0xf2, 0xf3, 0xf6, 0xf7,
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0xa8, 0xa9, 0xac, 0xad, 0xb8, 0xb9, 0xbc, 0xbd,
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0xe8, 0xe9, 0xec, 0xed, 0xf8, 0xf9, 0xfc, 0xfd,
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0xaa, 0xab, 0xae, 0xaf, 0xba, 0xbb, 0xbe, 0xbf,
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0xea, 0xeb, 0xee, 0xef, 0xfa, 0xfb, 0xfe, 0xff,
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};
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static int
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xcfbmatch(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-DV ", 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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xcfb_getdevconfig(dense_addr, dc)
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tc_addr_t dense_addr;
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struct fb_devconfig *dc;
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{
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int i, cookie;
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dc->dc_vaddr = dense_addr;
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dc->dc_paddr = MIPS_KSEG1_TO_PHYS(dc->dc_vaddr + XCFB_FB_OFFSET);
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dc->dc_wid = 1024;
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dc->dc_ht = 768;
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dc->dc_depth = 8;
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dc->dc_rowbytes = 1024;
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dc->dc_videobase = dc->dc_vaddr + XCFB_FB_OFFSET;
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dc->dc_blanked = 0;
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/* initialize colormap and cursor resource */
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xcfbinit(dc);
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/* clear the screen */
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for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t))
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*(u_int32_t *)(dc->dc_videobase + i) = 0;
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dc->rinfo.ri_flg = RI_CENTER;
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dc->rinfo.ri_depth = dc->dc_depth;
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dc->rinfo.ri_bits = (void *)dc->dc_videobase;
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dc->rinfo.ri_width = dc->dc_wid;
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dc->rinfo.ri_height = dc->dc_ht;
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dc->rinfo.ri_stride = dc->dc_rowbytes;
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wsfont_init();
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/* prefer 8 pixel wide font */
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if ((cookie = wsfont_find(NULL, 8, 0, 0)) <= 0)
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cookie = wsfont_find(NULL, 0, 0, 0);
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if (cookie <= 0) {
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printf("xcfb: font table is empty\n");
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return;
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}
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if (wsfont_lock(cookie, &dc->rinfo.ri_font,
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WSDISPLAY_FONTORDER_L2R, WSDISPLAY_FONTORDER_L2R) <= 0) {
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printf("xcfb: couldn't lock font\n");
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return;
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}
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dc->rinfo.ri_wsfcookie = cookie;
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rasops_init(&dc->rinfo, 34, 80);
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/* XXX shouldn't be global */
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xcfb_stdscreen.nrows = dc->rinfo.ri_rows;
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xcfb_stdscreen.ncols = dc->rinfo.ri_cols;
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xcfb_stdscreen.textops = &dc->rinfo.ri_ops;
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xcfb_stdscreen.capabilities = dc->rinfo.ri_caps;
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}
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static void
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xcfbattach(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 xcfb_softc *sc = (struct xcfb_softc *)self;
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struct tc_attach_args *ta = aux;
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struct wsemuldisplaydev_attach_args waa;
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int console;
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console = (ta->ta_addr == xcfb_consaddr);
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if (console) {
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sc->sc_dc = &xcfb_console_dc;
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sc->nscreens = 1;
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}
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else {
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sc->sc_dc = (struct fb_devconfig *)
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malloc(sizeof(struct fb_devconfig), M_DEVBUF, M_WAITOK);
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xcfb_getdevconfig(ta->ta_addr, sc->sc_dc);
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}
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printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
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sc->sc_dc->dc_depth);
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memcpy(&sc->sc_cmap, rasops_cmap, sizeof(struct hwcmap256));
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sc->sc_csr = IMS332_BPP_8 | IMS332_CSR_A_VTG_ENABLE;
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tc_intr_establish(parent, ta->ta_cookie, IPL_TTY, xcfbintr, sc);
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waa.console = console;
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waa.scrdata = &xcfb_screenlist;
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waa.accessops = &xcfb_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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int
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xcfb_cnattach()
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{
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tc_addr_t addr = MIPS_PHYS_TO_KSEG1(XINE_PHYS_CFB_START);
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struct fb_devconfig *dcp = &xcfb_console_dc;
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long defattr;
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xcfb_getdevconfig(addr, dcp);
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(*dcp->rinfo.ri_ops.alloc_attr)(&dcp->rinfo, 0, 0, 0, &defattr);
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wsdisplay_cnattach(&xcfb_stdscreen, &dcp->rinfo, 0, 0, defattr);
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xcfb_consaddr = addr;
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return (0);
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}
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static void
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xcfbinit(dc)
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struct fb_devconfig *dc;
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{
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u_int32_t csr;
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int i;
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csr = *(u_int32_t *)(ioasic_base + IOASIC_CSR);
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csr &= ~XINE_CSR_VDAC_ENABLE;
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*(u_int32_t *)(ioasic_base + IOASIC_CSR) = csr;
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DELAY(50);
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csr |= XINE_CSR_VDAC_ENABLE;
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*(u_int32_t *)(ioasic_base + IOASIC_CSR) = csr;
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DELAY(50);
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ims332_write_reg(IMS332_REG_BOOT, 0x2c);
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ims332_write_reg(IMS332_REG_CSR_A,
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IMS332_BPP_8|IMS332_CSR_A_DISABLE_CURSOR);
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ims332_write_reg(IMS332_REG_HALF_SYNCH, 0x10);
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ims332_write_reg(IMS332_REG_BACK_PORCH, 0x21);
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ims332_write_reg(IMS332_REG_DISPLAY, 0x100);
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ims332_write_reg(IMS332_REG_SHORT_DIS, 0x5d);
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ims332_write_reg(IMS332_REG_BROAD_PULSE, 0x9f);
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ims332_write_reg(IMS332_REG_LINE_TIME, 0x146);
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ims332_write_reg(IMS332_REG_V_SYNC, 0x0c);
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ims332_write_reg(IMS332_REG_V_PRE_EQUALIZE, 0x02);
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ims332_write_reg(IMS332_REG_V_POST_EQUALIZE, 0x02);
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ims332_write_reg(IMS332_REG_V_BLANK, 0x2a);
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ims332_write_reg(IMS332_REG_V_DISPLAY, 0x600);
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ims332_write_reg(IMS332_REG_LINE_START, 0x10);
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ims332_write_reg(IMS332_REG_MEM_INIT, 0x0a);
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ims332_write_reg(IMS332_REG_COLOR_MASK, 0xffffff);
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ims332_write_reg(IMS332_REG_CSR_A,
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IMS332_BPP_8|IMS332_CSR_A_VTG_ENABLE);
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/* build sane colormap */
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for (i = 0; i < CMAP_SIZE; i++) {
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const u_int8_t *p;
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u_int32_t bgr;
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p = &rasops_cmap[3 * i];
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bgr = p[2] << 16 | p[1] << 8 | p[0];
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ims332_write_reg(IMS332_REG_LUT_BASE + i, bgr);
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}
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/* clear out cursor image */
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for (i = 0; i < 512; i++)
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ims332_write_reg(IMS332_REG_CURSOR_RAM + i, 0);
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/*
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* 2 bit/pixel cursor. Assign MSB for cursor mask and LSB for
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* cursor image. LUT_1 for mask color, while LUT_2 for
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* image color. LUT_0 will be never used.
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*/
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ims332_write_reg(IMS332_REG_CURSOR_LUT_0, 0);
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ims332_write_reg(IMS332_REG_CURSOR_LUT_1, 0xffffff);
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ims332_write_reg(IMS332_REG_CURSOR_LUT_2, 0xffffff);
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}
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static int
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xcfbioctl(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;
|
|
struct proc *p;
|
|
{
|
|
struct xcfb_softc *sc = v;
|
|
struct fb_devconfig *dc = sc->sc_dc;
|
|
int turnoff, error;
|
|
|
|
switch (cmd) {
|
|
case WSDISPLAYIO_GTYPE:
|
|
*(u_int *)data = WSDISPLAY_TYPE_XCFB;
|
|
return (0);
|
|
|
|
case WSDISPLAYIO_GINFO:
|
|
#define wsd_fbip ((struct wsdisplay_fbinfo *)data)
|
|
wsd_fbip->height = sc->sc_dc->dc_ht;
|
|
wsd_fbip->width = sc->sc_dc->dc_wid;
|
|
wsd_fbip->depth = sc->sc_dc->dc_depth;
|
|
wsd_fbip->cmsize = CMAP_SIZE;
|
|
#undef fbt
|
|
return (0);
|
|
|
|
case WSDISPLAYIO_GETCMAP:
|
|
return get_cmap(sc, (struct wsdisplay_cmap *)data);
|
|
|
|
case WSDISPLAYIO_PUTCMAP:
|
|
error = set_cmap(sc, (struct wsdisplay_cmap *)data);
|
|
if (error == 0)
|
|
ims332_loadcmap(&sc->sc_cmap);
|
|
return (error);
|
|
|
|
case WSDISPLAYIO_SVIDEO:
|
|
turnoff = *(int *)data == WSDISPLAYIO_VIDEO_OFF;
|
|
if ((dc->dc_blanked == 0) ^ turnoff) {
|
|
dc->dc_blanked = turnoff;
|
|
xcfb_screenblank(sc);
|
|
}
|
|
return (0);
|
|
|
|
case WSDISPLAYIO_GVIDEO:
|
|
*(u_int *)data = dc->dc_blanked ?
|
|
WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON;
|
|
return (0);
|
|
|
|
case WSDISPLAYIO_GCURPOS:
|
|
*(struct wsdisplay_curpos *)data = sc->sc_cursor.cc_pos;
|
|
return (0);
|
|
|
|
case WSDISPLAYIO_SCURPOS:
|
|
set_curpos(sc, (struct wsdisplay_curpos *)data);
|
|
ims332_set_curpos(sc);
|
|
return (0);
|
|
|
|
case WSDISPLAYIO_GCURMAX:
|
|
((struct wsdisplay_curpos *)data)->x =
|
|
((struct wsdisplay_curpos *)data)->y = CURSOR_MAX_SIZE;
|
|
return (0);
|
|
|
|
case WSDISPLAYIO_GCURSOR:
|
|
return get_cursor(sc, (struct wsdisplay_cursor *)data);
|
|
|
|
case WSDISPLAYIO_SCURSOR:
|
|
return set_cursor(sc, (struct wsdisplay_cursor *)data);
|
|
}
|
|
return (ENOTTY);
|
|
}
|
|
|
|
static paddr_t
|
|
xcfbmmap(v, offset, prot)
|
|
void *v;
|
|
off_t offset;
|
|
int prot;
|
|
{
|
|
struct xcfb_softc *sc = v;
|
|
|
|
if (offset >= XCFB_FB_SIZE || offset < 0)
|
|
return (-1);
|
|
return mips_btop(sc->sc_dc->dc_paddr + offset);
|
|
}
|
|
|
|
static int
|
|
xcfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp)
|
|
void *v;
|
|
const struct wsscreen_descr *type;
|
|
void **cookiep;
|
|
int *curxp, *curyp;
|
|
long *attrp;
|
|
{
|
|
struct xcfb_softc *sc = v;
|
|
long defattr;
|
|
|
|
if (sc->nscreens > 0)
|
|
return (ENOMEM);
|
|
|
|
*cookiep = &sc->sc_dc->rinfo; /* one and only for now */
|
|
*curxp = 0;
|
|
*curyp = 0;
|
|
(*sc->sc_dc->rinfo.ri_ops.alloc_attr)(&sc->sc_dc->rinfo, 0, 0, 0, &defattr);
|
|
*attrp = defattr;
|
|
sc->nscreens++;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
xcfb_free_screen(v, cookie)
|
|
void *v;
|
|
void *cookie;
|
|
{
|
|
struct xcfb_softc *sc = v;
|
|
|
|
if (sc->sc_dc == &xcfb_console_dc)
|
|
panic("xcfb_free_screen: console");
|
|
|
|
sc->nscreens--;
|
|
}
|
|
|
|
static int
|
|
xcfb_show_screen(v, cookie, waitok, cb, cbarg)
|
|
void *v;
|
|
void *cookie;
|
|
int waitok;
|
|
void (*cb) __P((void *, int, int));
|
|
void *cbarg;
|
|
{
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
xcfbintr(v)
|
|
void *v;
|
|
{
|
|
int intr;
|
|
|
|
intr = *(u_int32_t *)(ioasic_base + IOASIC_INTR);
|
|
intr &= ~XINE_INTR_VINT;
|
|
*(u_int32_t *)(ioasic_base + IOASIC_INTR) = intr;
|
|
return (1);
|
|
}
|
|
|
|
static void
|
|
xcfb_screenblank(sc)
|
|
struct xcfb_softc *sc;
|
|
{
|
|
if (sc->sc_dc->dc_blanked)
|
|
sc->sc_csr |= IMS332_CSR_A_FORCE_BLANK;
|
|
else
|
|
sc->sc_csr &= ~IMS332_CSR_A_FORCE_BLANK;
|
|
ims332_write_reg(IMS332_REG_CSR_A, sc->sc_csr);
|
|
}
|
|
|
|
static int
|
|
get_cmap(sc, p)
|
|
struct xcfb_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 xcfb_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);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
set_cursor(sc, p)
|
|
struct xcfb_softc *sc;
|
|
struct wsdisplay_cursor *p;
|
|
{
|
|
#define cc (&sc->sc_cursor)
|
|
int v, index, count;
|
|
|
|
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);
|
|
|
|
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);
|
|
ims332_load_curcmap(sc);
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
|
|
if (p->size.x > CURSOR_MAX_SIZE || p->size.y > CURSOR_MAX_SIZE)
|
|
return (EINVAL);
|
|
count = ((p->size.x < 33) ? 4 : 8) * p->size.y;
|
|
if (!uvm_useracc(p->image, count, B_READ) ||
|
|
!uvm_useracc(p->mask, count, B_READ))
|
|
return (EFAULT);
|
|
cc->cc_size = p->size;
|
|
memset(cc->cc_image, 0, sizeof cc->cc_image);
|
|
copyin(p->image, cc->cc_image, count);
|
|
copyin(p->mask, cc->cc_image+CURSOR_MAX_SIZE, count);
|
|
ims332_load_curshape(sc);
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOCUR) {
|
|
cc->cc_hot = p->hot;
|
|
if (p->enable)
|
|
sc->sc_csr &= ~IMS332_CSR_A_DISABLE_CURSOR;
|
|
else
|
|
sc->sc_csr |= IMS332_CSR_A_DISABLE_CURSOR;
|
|
ims332_write_reg(IMS332_REG_CSR_A, sc->sc_csr);
|
|
}
|
|
if (v & WSDISPLAY_CURSOR_DOPOS) {
|
|
set_curpos(sc, &p->pos);
|
|
ims332_set_curpos(sc);
|
|
}
|
|
|
|
return (0);
|
|
#undef cc
|
|
}
|
|
|
|
static int
|
|
get_cursor(sc, p)
|
|
struct xcfb_softc *sc;
|
|
struct wsdisplay_cursor *p;
|
|
{
|
|
return (ENOTTY); /* XXX */
|
|
}
|
|
|
|
static void
|
|
set_curpos(sc, curpos)
|
|
struct xcfb_softc *sc;
|
|
struct wsdisplay_curpos *curpos;
|
|
{
|
|
struct fb_devconfig *dc = sc->sc_dc;
|
|
int x = curpos->x, y = curpos->y;
|
|
|
|
if (y < 0)
|
|
y = 0;
|
|
else if (y > dc->dc_ht)
|
|
y = dc->dc_ht;
|
|
if (x < 0)
|
|
x = 0;
|
|
else if (x > dc->dc_wid)
|
|
x = dc->dc_wid;
|
|
sc->sc_cursor.cc_pos.x = x;
|
|
sc->sc_cursor.cc_pos.y = y;
|
|
}
|
|
|
|
static void
|
|
ims332_loadcmap(cm)
|
|
struct hwcmap256 *cm;
|
|
{
|
|
int i;
|
|
u_int32_t rgb;
|
|
|
|
for (i = 0; i < CMAP_SIZE; i++) {
|
|
rgb = cm->b[i] << 16 | cm->g[i] << 8 | cm->r[i];
|
|
ims332_write_reg(IMS332_REG_LUT_BASE + i, rgb);
|
|
}
|
|
}
|
|
|
|
static void
|
|
ims332_set_curpos(sc)
|
|
struct xcfb_softc *sc;
|
|
{
|
|
struct wsdisplay_curpos *curpos = &sc->sc_cursor.cc_pos;
|
|
u_int32_t pos;
|
|
int s;
|
|
|
|
s = spltty();
|
|
pos = (curpos->x & 0xfff) << 12 | (curpos->y & 0xfff);
|
|
ims332_write_reg(IMS332_REG_CURSOR_LOC, pos);
|
|
splx(s);
|
|
}
|
|
|
|
static void
|
|
ims332_load_curcmap(sc)
|
|
struct xcfb_softc *sc;
|
|
{
|
|
u_int8_t *cp = sc->sc_cursor.cc_color;
|
|
u_int32_t rgb;
|
|
|
|
/* cursor background */
|
|
rgb = cp[5] << 16 | cp[3] << 8 | cp[1];
|
|
ims332_write_reg(IMS332_REG_CURSOR_LUT_1, rgb);
|
|
|
|
/* cursor foreground */
|
|
rgb = cp[4] << 16 | cp[2] << 8 | cp[0];
|
|
ims332_write_reg(IMS332_REG_CURSOR_LUT_2, rgb);
|
|
}
|
|
|
|
static void
|
|
ims332_load_curshape(sc)
|
|
struct xcfb_softc *sc;
|
|
{
|
|
unsigned i, img, msk, bits;
|
|
u_int8_t u, *ip, *mp;
|
|
|
|
ip = (u_int8_t *)sc->sc_cursor.cc_image;
|
|
mp = (u_int8_t *)(sc->sc_cursor.cc_image+CURSOR_MAX_SIZE);
|
|
|
|
i = 0;
|
|
/* 64 pixel scan line is consisted with 8 halfward cursor ram */
|
|
while (i < sc->sc_cursor.cc_size.y * 8) {
|
|
/* pad right half 32 pixel when smaller than 33 */
|
|
if ((i & 0x4) && sc->sc_cursor.cc_size.x < 33)
|
|
bits = 0;
|
|
else {
|
|
img = *ip++;
|
|
msk = *mp++;
|
|
img &= msk; /* cookie off image */
|
|
u = (msk & 0x0f) << 4 | (img & 0x0f);
|
|
bits = shuffle[u];
|
|
u = (msk & 0xf0) | (img & 0xf0) >> 4;
|
|
bits = (shuffle[u] << 8) | bits;
|
|
}
|
|
ims332_write_reg(IMS332_REG_CURSOR_RAM + i, bits);
|
|
i += 1;
|
|
}
|
|
/* pad unoccupied scan lines */
|
|
while (i < CURSOR_MAX_SIZE * 8) {
|
|
ims332_write_reg(IMS332_REG_CURSOR_RAM + i, 0);
|
|
i += 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ims332_write_reg(regno, val)
|
|
int regno;
|
|
u_int32_t val;
|
|
{
|
|
caddr_t high8 = (caddr_t)(ioasic_base + IMS332_HIGH);
|
|
caddr_t low16 = (caddr_t)(ioasic_base + IMS332_WLOW) + (regno << 4);
|
|
|
|
*(volatile u_int16_t *)high8 = (val & 0xff0000) >> 8;
|
|
*(volatile u_int16_t *)low16 = val;
|
|
}
|
|
|
|
#if 0
|
|
static u_int32_t
|
|
ims332_read_reg(regno)
|
|
int regno;
|
|
{
|
|
caddr_t high8 = (caddr_t)(ioasic_base + IMS332_HIGH);
|
|
caddr_t low16 = (caddr_t)(ioasic_base + IMS332_RLOW) + (regno << 4);
|
|
u_int v0, v1;
|
|
|
|
v1 = *(volatile u_int16_t *)high8;
|
|
v0 = *(volatile u_int16_t *)low16;
|
|
return (v1 & 0xff00) << 8 | v0;
|
|
}
|
|
#endif
|