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[src/fvdl-softdep]: src/sys/dev/tc Enable 'WSSCREEN_REVERSE' scr-capability.
details: https://anonhg.NetBSD.org/src/rev/daf6eb7ff31b
branches: fvdl-softdep
changeset: 477500:daf6eb7ff31b
user: nisimura <nisimura%NetBSD.org@localhost>
date: Tue Oct 19 00:49:34 1999 +0000
description:
Enable 'WSSCREEN_REVERSE' scr-capability.
diffstat:
sys/dev/tc/cfb.c | 821 +++++++++++++++++++++++++++++++++++++++++++++++++
sys/dev/tc/mfb.c | 716 +++++++++++++++++++++++++++++++++++++++++++
sys/dev/tc/tfb.c | 893 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
sys/dev/tc/xcfb.c | 775 ++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 3205 insertions(+), 0 deletions(-)
diffs (truncated from 3221 to 300 lines):
diff -r 2514b8212cf9 -r daf6eb7ff31b sys/dev/tc/cfb.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/tc/cfb.c Tue Oct 19 00:49:34 1999 +0000
@@ -0,0 +1,821 @@
+/* $NetBSD: cfb.c,v 1.13.2.2 1999/10/19 00:49:35 nisimura Exp $ */
+
+/*
+ * Copyright (c) 1998, 1999 Tohru Nishimura. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Tohru Nishimura
+ * for the NetBSD Project.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
+
+__KERNEL_RCSID(0, "$NetBSD: cfb.c,v 1.13.2.2 1999/10/19 00:49:35 nisimura Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/buf.h>
+#include <sys/ioctl.h>
+#include <vm/vm.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <dev/rcons/raster.h>
+#include <dev/wscons/wsconsio.h>
+#include <dev/wscons/wscons_raster.h>
+#include <dev/wscons/wsdisplayvar.h>
+
+#include <dev/tc/tcvar.h>
+#include <dev/ic/bt459reg.h>
+
+#include <uvm/uvm_extern.h>
+
+#if defined(pmax)
+#define machine_btop(x) mips_btop(x)
+#define MACHINE_KSEG0_TO_PHYS(x) MIPS_KSEG1_TO_PHYS(x)
+#endif
+
+#if defined(__alpha__) || defined(alpha)
+/*
+ * Digital UNIX never supports PMAG-BA
+ */
+#define machine_btop(x) alpha_btop(x)
+#define MACHINE_KSEG0_TO_PHYS(x) ALPHA_K0SEG_TO_PHYS(x)
+#endif
+
+/*
+ * N.B., Bt459 registers are 8bit width. Some of TC framebuffers have
+ * obscure register layout such as 2nd and 3rd Bt459 registers are
+ * adjacent each other in a word, i.e.,
+ * struct bt459triplet {
+ * struct {
+ * u_int8_t u0;
+ * u_int8_t u1;
+ * u_int8_t u2;
+ * unsigned :8;
+ * } bt_lo;
+ * ...
+ * Although CX has single Bt459, 32bit R/W can be done w/o any trouble.
+ *
+ * struct bt459reg {
+ * u_int32_t bt_lo;
+ * u_int32_t bt_hi;
+ * u_int32_t bt_reg;
+ * u_int32_t bt_cmap;
+ * };
+ *
+ */
+
+/* Bt459 hardware registers */
+#define bt_lo 0
+#define bt_hi 1
+#define bt_reg 2
+#define bt_cmap 3
+
+#define REG(base, index) *((u_int32_t *)(base) + (index))
+#define SELECT(vdac, regno) do { \
+ REG(vdac, bt_lo) = ((regno) & 0x00ff); \
+ REG(vdac, bt_hi) = ((regno) & 0x0f00) >> 8; \
+ tc_wmb(); \
+ } while (0)
+
+struct fb_devconfig {
+ vaddr_t dc_vaddr; /* memory space virtual base address */
+ paddr_t dc_paddr; /* memory space physical base address */
+ vsize_t dc_size; /* size of slot memory */
+ int dc_wid; /* width of frame buffer */
+ int dc_ht; /* height of frame buffer */
+ int dc_depth; /* depth, bits per pixel */
+ int dc_rowbytes; /* bytes in a FB scan line */
+ vaddr_t dc_videobase; /* base of flat frame buffer */
+ struct raster dc_raster; /* raster description */
+ struct rcons dc_rcons; /* raster blitter control info */
+ int dc_blanked; /* currently has video disabled */
+};
+
+struct hwcmap256 {
+#define CMAP_SIZE 256 /* 256 R/G/B entries */
+ u_int8_t r[CMAP_SIZE];
+ u_int8_t g[CMAP_SIZE];
+ u_int8_t b[CMAP_SIZE];
+};
+
+struct hwcursor64 {
+ struct wsdisplay_curpos cc_pos;
+ struct wsdisplay_curpos cc_hot;
+ struct wsdisplay_curpos cc_size;
+ struct wsdisplay_curpos cc_magic;
+#define CURSOR_MAX_SIZE 64
+ u_int8_t cc_color[6];
+ u_int64_t cc_image[64 + 64];
+};
+
+struct cfb_softc {
+ struct device sc_dev;
+ struct fb_devconfig *sc_dc; /* device configuration */
+ struct hwcmap256 sc_cmap; /* software copy of colormap */
+ struct hwcursor64 sc_cursor; /* software copy of cursor */
+ int sc_curenb; /* cursor sprite enabled */
+ int sc_changed; /* need update of colormap */
+#define DATA_ENB_CHANGED 0x01 /* cursor enable changed */
+#define DATA_CURCMAP_CHANGED 0x02 /* cursor colormap changed */
+#define DATA_CURSHAPE_CHANGED 0x04 /* cursor size, image, mask changed */
+#define DATA_CMAP_CHANGED 0x08 /* colormap changed */
+#define DATA_ALL_CHANGED 0x0f
+ int nscreens;
+};
+
+#define CX_MAGIC_X 220
+#define CX_MAGIC_Y 35
+
+#define CX_FB_OFFSET 0x000000
+#define CX_FB_SIZE 0x100000
+#define CX_BT459_OFFSET 0x200000
+#define CX_OFFSET_IREQ 0x300000 /* Interrupt req. control */
+
+int cfbmatch __P((struct device *, struct cfdata *, void *));
+void cfbattach __P((struct device *, struct device *, void *));
+
+struct cfattach cfb_ca = {
+ sizeof(struct cfb_softc), cfbmatch, cfbattach,
+};
+
+void cfb_getdevconfig __P((tc_addr_t, struct fb_devconfig *));
+struct fb_devconfig cfb_console_dc;
+tc_addr_t cfb_consaddr;
+
+struct wsdisplay_emulops cfb_emulops = {
+ rcons_cursor, /* could use hardware cursor; punt */
+ rcons_mapchar,
+ rcons_putchar,
+ rcons_copycols,
+ rcons_erasecols,
+ rcons_copyrows,
+ rcons_eraserows,
+ rcons_alloc_attr
+};
+
+struct wsscreen_descr cfb_stdscreen = {
+ "std", 0, 0,
+ &cfb_emulops,
+ 0, 0,
+ WSSCREEN_REVERSE
+};
+
+const struct wsscreen_descr *_cfb_scrlist[] = {
+ &cfb_stdscreen,
+};
+
+struct wsscreen_list cfb_screenlist = {
+ sizeof(_cfb_scrlist) / sizeof(struct wsscreen_descr *), _cfb_scrlist
+};
+
+int cfbioctl __P((void *, u_long, caddr_t, int, struct proc *));
+int cfbmmap __P((void *, off_t, int));
+
+int cfb_alloc_screen __P((void *, const struct wsscreen_descr *,
+ void **, int *, int *, long *));
+void cfb_free_screen __P((void *, void *));
+void cfb_show_screen __P((void *, void *));
+
+struct wsdisplay_accessops cfb_accessops = {
+ cfbioctl,
+ cfbmmap,
+ cfb_alloc_screen,
+ cfb_free_screen,
+ cfb_show_screen,
+ 0 /* load_font */
+};
+
+int cfb_cnattach __P((tc_addr_t));
+int cfbintr __P((void *));
+void cfbinit __P((struct fb_devconfig *));
+
+static int get_cmap __P((struct cfb_softc *, struct wsdisplay_cmap *));
+static int set_cmap __P((struct cfb_softc *, struct wsdisplay_cmap *));
+static int set_cursor __P((struct cfb_softc *, struct wsdisplay_cursor *));
+static int get_cursor __P((struct cfb_softc *, struct wsdisplay_cursor *));
+static void set_curpos __P((struct cfb_softc *, struct wsdisplay_curpos *));
+static void bt459_set_curpos __P((struct cfb_softc *));
+
+/*
+ * Compose 2 bit/pixel cursor image. Bit order will be reversed.
+ * M M M M I I I I M I M I M I M I
+ * [ before ] [ after ]
+ * 3 2 1 0 3 2 1 0 0 0 1 1 2 2 3 3
+ * 7 6 5 4 7 6 5 4 4 4 5 5 6 6 7 7
+ */
+const static u_int8_t shuffle[256] = {
+ 0x00, 0x40, 0x10, 0x50, 0x04, 0x44, 0x14, 0x54,
+ 0x01, 0x41, 0x11, 0x51, 0x05, 0x45, 0x15, 0x55,
+ 0x80, 0xc0, 0x90, 0xd0, 0x84, 0xc4, 0x94, 0xd4,
+ 0x81, 0xc1, 0x91, 0xd1, 0x85, 0xc5, 0x95, 0xd5,
+ 0x20, 0x60, 0x30, 0x70, 0x24, 0x64, 0x34, 0x74,
+ 0x21, 0x61, 0x31, 0x71, 0x25, 0x65, 0x35, 0x75,
+ 0xa0, 0xe0, 0xb0, 0xf0, 0xa4, 0xe4, 0xb4, 0xf4,
+ 0xa1, 0xe1, 0xb1, 0xf1, 0xa5, 0xe5, 0xb5, 0xf5,
+ 0x08, 0x48, 0x18, 0x58, 0x0c, 0x4c, 0x1c, 0x5c,
+ 0x09, 0x49, 0x19, 0x59, 0x0d, 0x4d, 0x1d, 0x5d,
+ 0x88, 0xc8, 0x98, 0xd8, 0x8c, 0xcc, 0x9c, 0xdc,
+ 0x89, 0xc9, 0x99, 0xd9, 0x8d, 0xcd, 0x9d, 0xdd,
+ 0x28, 0x68, 0x38, 0x78, 0x2c, 0x6c, 0x3c, 0x7c,
+ 0x29, 0x69, 0x39, 0x79, 0x2d, 0x6d, 0x3d, 0x7d,
+ 0xa8, 0xe8, 0xb8, 0xf8, 0xac, 0xec, 0xbc, 0xfc,
+ 0xa9, 0xe9, 0xb9, 0xf9, 0xad, 0xed, 0xbd, 0xfd,
+ 0x02, 0x42, 0x12, 0x52, 0x06, 0x46, 0x16, 0x56,
+ 0x03, 0x43, 0x13, 0x53, 0x07, 0x47, 0x17, 0x57,
+ 0x82, 0xc2, 0x92, 0xd2, 0x86, 0xc6, 0x96, 0xd6,
+ 0x83, 0xc3, 0x93, 0xd3, 0x87, 0xc7, 0x97, 0xd7,
+ 0x22, 0x62, 0x32, 0x72, 0x26, 0x66, 0x36, 0x76,
+ 0x23, 0x63, 0x33, 0x73, 0x27, 0x67, 0x37, 0x77,
+ 0xa2, 0xe2, 0xb2, 0xf2, 0xa6, 0xe6, 0xb6, 0xf6,
+ 0xa3, 0xe3, 0xb3, 0xf3, 0xa7, 0xe7, 0xb7, 0xf7,
+ 0x0a, 0x4a, 0x1a, 0x5a, 0x0e, 0x4e, 0x1e, 0x5e,
+ 0x0b, 0x4b, 0x1b, 0x5b, 0x0f, 0x4f, 0x1f, 0x5f,
+ 0x8a, 0xca, 0x9a, 0xda, 0x8e, 0xce, 0x9e, 0xde,
+ 0x8b, 0xcb, 0x9b, 0xdb, 0x8f, 0xcf, 0x9f, 0xdf,
+ 0x2a, 0x6a, 0x3a, 0x7a, 0x2e, 0x6e, 0x3e, 0x7e,
+ 0x2b, 0x6b, 0x3b, 0x7b, 0x2f, 0x6f, 0x3f, 0x7f,
+ 0xaa, 0xea, 0xba, 0xfa, 0xae, 0xee, 0xbe, 0xfe,
+ 0xab, 0xeb, 0xbb, 0xfb, 0xaf, 0xef, 0xbf, 0xff,
+};
+
+int
+cfbmatch(parent, match, aux)
+ struct device *parent;
+ struct cfdata *match;
+ void *aux;
+{
+ struct tc_attach_args *ta = aux;
+
+ if (strncmp("PMAG-BA ", ta->ta_modname, TC_ROM_LLEN) != 0)
+ return (0);
+
+ return (1);
+}
+
+void
+cfb_getdevconfig(dense_addr, dc)
+ tc_addr_t dense_addr;
+ struct fb_devconfig *dc;
+{
+ struct raster *rap;
+ struct rcons *rcp;
+ int i;
+
+ dc->dc_vaddr = dense_addr;
+ dc->dc_paddr = MACHINE_KSEG0_TO_PHYS(dc->dc_vaddr + CX_FB_OFFSET);
+
+ dc->dc_wid = 1024;
+ dc->dc_ht = 864;
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