diff options
Diffstat (limited to 'sys/pc98/pc98/pc98gdc.c')
| -rw-r--r-- | sys/pc98/pc98/pc98gdc.c | 887 |
1 files changed, 0 insertions, 887 deletions
diff --git a/sys/pc98/pc98/pc98gdc.c b/sys/pc98/pc98/pc98gdc.c deleted file mode 100644 index 076f9e7748826..0000000000000 --- a/sys/pc98/pc98/pc98gdc.c +++ /dev/null @@ -1,887 +0,0 @@ -/* - * Copyright (c) 1999 FreeBSD(98) port team. - * 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 as - * the first lines of this file unmodified. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id$ - */ - -#include "gdc.h" -#include "opt_gdc.h" -#include "opt_fb.h" -#include "opt_syscons.h" - -#if NGDC > 0 - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/bus.h> -#include <sys/malloc.h> - -#include <vm/vm.h> -#include <vm/pmap.h> - -#include <machine/console.h> -#include <machine/md_var.h> -#include <machine/pc/bios.h> - -#include <dev/fb/fbreg.h> - -#include <pc98/pc98/pc98.h> -#include <pc98/pc98/pc98_machdep.h> - -#include <i386/isa/isa_device.h> - -#define TEXT_GDC IO_GDC1 /* 0x60 */ -#define ROW 25 -#define COL 80 - -#define DRIVER_NAME "gdc" - -/* cdev driver declaration */ - -#define GDC_UNIT(dev) minor(dev) -#define GDC_MKMINOR(unit) (unit) - -static int gdcprobe(struct isa_device *dev); -static int gdc_attach(struct isa_device *dev); -static void gdc_drvinit(void *unused); - -struct isa_driver gdcdriver = { - gdcprobe, - gdc_attach, - DRIVER_NAME, - 0, -}; - -typedef struct gdc_softc { - video_adapter_t *adp; -} gdc_softc_t; - -static int gdc_probe_unit(int unit, gdc_softc_t *sc, int flags); -static int gdc_attach_unit(int unit, gdc_softc_t *sc, int flags); - -#define GDC_SOFTC(unit) (gdc_softc[unit]) - -static gdc_softc_t *gdc_softc[NGDC]; - -#if FB_INSTALL_CDEV - -static d_open_t gdcopen; -static d_close_t gdcclose; -static d_read_t gdcread; -static d_ioctl_t gdcioctl; - -static struct cdevsw vga_cdevsw = { - gdcopen, gdcclose, noread, nowrite, /* ?? */ - gdcioctl, nostop, nullreset, nodevtotty, - seltrue, nommap, NULL, DRIVER_NAME, - NULL, -1, nodump, nopsize, -}; - -#endif /* FB_INSTALL_CDEV */ - -static int -gdcprobe(struct isa_device *dev) -{ - gdc_softc_t *sc; - int error; - - if (dev->id_unit >= sizeof(gdc_softc)/sizeof(gdc_softc[0])) - return 0; - sc = gdc_softc[dev->id_unit] - = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); - if (sc == NULL) - return 0; - - error = gdc_probe_unit(dev->id_unit, sc, dev->id_flags); - if (error) { - gdc_softc[dev->id_unit] = NULL; - free(sc, M_DEVBUF); - return 0; - } - - dev->id_iobase = sc->adp->va_io_base; - dev->id_maddr = (caddr_t)BIOS_PADDRTOVADDR(sc->adp->va_mem_base); - dev->id_msize = sc->adp->va_mem_size; - - return sc->adp->va_io_size; -} - -static int -gdc_attach(struct isa_device *dev) -{ - gdc_softc_t *sc; - - if (dev->id_unit >= sizeof(gdc_softc)/sizeof(gdc_softc[0])) - return 0; - sc = gdc_softc[dev->id_unit]; - if (sc == NULL) - return 0; - - return ((gdc_attach_unit(dev->id_unit, sc, dev->id_flags)) ? 0 : 1); -} - -static int -gdc_probe_unit(int unit, gdc_softc_t *sc, int flags) -{ - video_switch_t *sw; - - bzero(sc, sizeof(*sc)); - sw = vid_get_switch(DRIVER_NAME); - if (sw == NULL) - return 0; - return (*sw->probe)(unit, &sc->adp, NULL, flags); -} - -static int -gdc_attach_unit(int unit, gdc_softc_t *sc, int flags) -{ - video_switch_t *sw; - int error; - - sw = vid_get_switch(DRIVER_NAME); - if (sw == NULL) - return ENXIO; - - error = (*sw->init)(unit, sc->adp, flags); - if (error) - return ENXIO; - -#ifdef FB_INSTALL_CDEV - /* attach a virtual frame buffer device */ - error = fb_attach(makedev(0, GDC_MKMINOR(unit)), scp->adp, - &vga_cdevsw); - if (error) - return error; -#endif /* FB_INSTALL_CDEV */ - - if (bootverbose) - (*sw->diag)(sc->adp, bootverbose); - - return 0; -} - -/* LOW-LEVEL */ - -#include <machine/clock.h> - -#include <pc98/pc98/30line.h> - -#define TEXT_BUF_BASE 0x000a0000 -#define TEXT_BUF_SIZE 0x00008000 -#define GRAPHICS_BUF_BASE 0x000a8000 -#define GRAPHICS_BUF_SIZE 0x00040000 -#define VIDEO_BUF_BASE 0x000a0000 -#define VIDEO_BUF_SIZE 0x00048000 - -#define probe_done(adp) ((adp)->va_flags & V_ADP_PROBED) -#define init_done(adp) ((adp)->va_flags & V_ADP_INITIALIZED) -#define config_done(adp) ((adp)->va_flags & V_ADP_REGISTERED) - -/* - * NOTE: `va_window' should have a virtual address, but is initialized - * with a physical address in the following table, they will be - * converted at run-time. - */ -static video_adapter_t adapter_init_value[] = { - { 0, - KD_PC98, "gdc", /* va_type, va_name */ - 0, 0, /* va_unit, va_minor */ - V_ADP_COLOR | V_ADP_MODECHANGE | V_ADP_BORDER, - IO_GDC1, 16, TEXT_GDC, /* va_io*, XXX */ - VIDEO_BUF_BASE, VIDEO_BUF_SIZE, /* va_mem* */ - TEXT_BUF_BASE, TEXT_BUF_SIZE, TEXT_BUF_SIZE, /* va_window* */ - 0, 0, /* va_buffer, va_buffer_size */ - 0, M_PC98_80x25, 0, 0, /* va_*mode* */ - NULL }, -}; - -static video_adapter_t biosadapter[1]; - -/* video driver declarations */ -static int gdc_configure(int flags); -static int gdc_nop(void); -static vi_probe_t gdc_probe; -static vi_init_t gdc_init; -static vi_get_info_t gdc_get_info; -static vi_query_mode_t gdc_query_mode; -static vi_set_mode_t gdc_set_mode; -static vi_set_border_t gdc_set_border; -static vi_save_state_t gdc_save_state; -static vi_load_state_t gdc_load_state; -static vi_read_hw_cursor_t gdc_read_hw_cursor; -static vi_set_hw_cursor_t gdc_set_hw_cursor; -static vi_set_hw_cursor_shape_t gdc_set_hw_cursor_shape; -static vi_mmap_t gdc_mmap; -static vi_diag_t gdc_diag; - -static int gdc_err(video_adapter_t *adp, ...); - -static video_switch_t gdcvidsw = { - gdc_probe, - gdc_init, - gdc_get_info, - gdc_query_mode, - gdc_set_mode, - (vi_save_font_t *)gdc_err, - (vi_load_font_t *)gdc_err, - (vi_show_font_t *)gdc_err, - (vi_save_palette_t *)gdc_err, - (vi_load_palette_t *)gdc_err, - gdc_set_border, - gdc_save_state, - gdc_load_state, - (vi_set_win_org_t *)gdc_err, - gdc_read_hw_cursor, - gdc_set_hw_cursor, - gdc_set_hw_cursor_shape, - (vi_blank_display_t *)gdc_nop, - gdc_mmap, - gdc_diag, -}; - -VIDEO_DRIVER(gdc, gdcvidsw, gdc_configure); - -/* GDC BIOS standard video modes */ -#define EOT (-1) -#define NA (-2) - -static video_info_t bios_vmode[] = { - { M_PC98_80x25, V_INFO_COLOR, 80, 25, 8, 16, 4, 1, - TEXT_BUF_BASE, TEXT_BUF_SIZE, TEXT_BUF_SIZE, 0, 0 }, -#ifdef LINE30 - { M_PC98_80x30, V_INFO_COLOR, 80, 30, 8, 16, 4, 1, - TEXT_BUF_BASE, TEXT_BUF_SIZE, TEXT_BUF_SIZE, 0, 0 }, -#endif - { EOT }, -}; - -static int init_done = FALSE; - -/* local functions */ -static int map_gen_mode_num(int type, int color, int mode); -static int probe_adapters(void); -static void dump_buffer(u_char *buf, size_t len); - -#define prologue(adp, flag, err) \ - if (!init_done || !((adp)->va_flags & (flag))) \ - return (err) - -/* a backdoor for the console driver */ -static int -gdc_configure(int flags) -{ - probe_adapters(); - biosadapter[0].va_flags |= V_ADP_INITIALIZED; - if (!config_done(&biosadapter[0])) { - if (vid_register(&biosadapter[0]) < 0) - return 1; - biosadapter[0].va_flags |= V_ADP_REGISTERED; - } - - return 1; -} - -/* local subroutines */ - -/* map a generic video mode to a known mode number */ -static int -map_gen_mode_num(int type, int color, int mode) -{ - static struct { - int from; - int to; - } mode_map[] = { - { M_TEXT_80x25, M_PC98_80x25, }, -#ifdef LINE30 - { M_TEXT_80x30, M_PC98_80x30, }, -#endif - }; - int i; - - for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { - if (mode_map[i].from == mode) - return mode_map[i].to; - } - return mode; -} - -/* probe video adapters and return the number of detected adapters */ -static int -probe_adapters(void) -{ - video_info_t info; - - /* do this test only once */ - if (init_done) - return 1; - init_done = TRUE; - - biosadapter[0] = adapter_init_value[0]; - biosadapter[0].va_flags |= V_ADP_PROBED; - biosadapter[0].va_mode = - biosadapter[0].va_initial_mode = biosadapter[0].va_initial_bios_mode; - - master_gdc_wait_vsync(); - master_gdc_cmd(_GDC_START); /* text ON */ - gdc_wait_vsync(); - gdc_cmd(_GDC_STOP); /* graphics OFF */ - - gdc_get_info(&biosadapter[0], biosadapter[0].va_initial_mode, &info); - biosadapter[0].va_mode_flags = info.vi_flags; - biosadapter[0].va_window = BIOS_PADDRTOVADDR(info.vi_window); - biosadapter[0].va_window_size = info.vi_window_size; - biosadapter[0].va_window_gran = info.vi_window_gran; - biosadapter[0].va_buffer = 0; - biosadapter[0].va_buffer_size = 0; - - return 1; -} - -static void master_gdc_cmd(unsigned int cmd) -{ - while ( (inb(IO_GDC1) & 2) != 0); - outb(IO_GDC1+2, cmd); -} - -static void master_gdc_prm(unsigned int pmtr) -{ - while ( (inb(IO_GDC1) & 2) != 0); - outb(IO_GDC1, pmtr); -} - -static void master_gdc_word_prm(unsigned int wpmtr) -{ - master_gdc_prm(wpmtr & 0x00ff); - master_gdc_prm((wpmtr >> 8) & 0x00ff); -} - -static void master_gdc_fifo_empty(void) -{ - while ( (inb(IO_GDC1) & 4) == 0); -} - -static void master_gdc_wait_vsync(void) -{ - while ( (inb(IO_GDC1) & 0x20) != 0); - while ( (inb(IO_GDC1) & 0x20) == 0); -} - -static void gdc_cmd(unsigned int cmd) -{ - while ( (inb(IO_GDC2) & 2) != 0); - outb( IO_GDC2+2, cmd); -} - -static void gdc_prm(unsigned int pmtr) -{ - while ( (inb(IO_GDC2) & 2) != 0); - outb( IO_GDC2, pmtr); -} - -static void gdc_word_prm(unsigned int wpmtr) -{ - gdc_prm(wpmtr & 0x00ff); - gdc_prm((wpmtr >> 8) & 0x00ff); -} - -static void gdc_fifo_empty(void) -{ - while ( (inb(IO_GDC2) & 0x04) == 0); -} - -static void gdc_wait_vsync(void) -{ - while ( (inb(IO_GDC2) & 0x20) != 0); - while ( (inb(IO_GDC2) & 0x20) == 0); -} - -static int check_gdc_clock(void) -{ - if ((inb(IO_SYSPORT) & 0x80) == 0){ - return _5MHZ; - } else { - return _2_5MHZ; - } -} - -static void initialize_gdc(unsigned int mode) -{ - /* start 30line initialize */ - int m_mode,s_mode,gdc_clock; - gdc_clock = check_gdc_clock(); - - if (mode == T25_G400){ - m_mode = _25L; - }else{ - m_mode = _30L; - } - - s_mode = 2*mode+gdc_clock; - - gdc_INFO = m_mode; - - master_gdc_cmd(_GDC_RESET); - master_gdc_cmd(_GDC_MASTER); - gdc_cmd(_GDC_RESET); - gdc_cmd(_GDC_SLAVE); - - /* GDC Master */ - master_gdc_cmd(_GDC_SYNC); - master_gdc_prm(0x00); /* flush less */ /* text & graph */ - master_gdc_prm(master_param[m_mode][GDC_CR]); - master_gdc_word_prm(((master_param[m_mode][GDC_HFP] << 10) - + (master_param[m_mode][GDC_VS] << 5) - + master_param[m_mode][GDC_HS])); - master_gdc_prm(master_param[m_mode][GDC_HBP]); - master_gdc_prm(master_param[m_mode][GDC_VFP]); - master_gdc_word_prm(((master_param[m_mode][GDC_VBP] << 10) - + (master_param[m_mode][GDC_LF]))); - master_gdc_fifo_empty(); - master_gdc_cmd(_GDC_PITCH); - master_gdc_prm(MasterPCH); - master_gdc_fifo_empty(); - - /* GDC slave */ - gdc_cmd(_GDC_SYNC); - gdc_prm(0x06); - gdc_prm(slave_param[s_mode][GDC_CR]); - gdc_word_prm((slave_param[s_mode][GDC_HFP] << 10) - + (slave_param[s_mode][GDC_VS] << 5) - + (slave_param[s_mode][GDC_HS])); - gdc_prm(slave_param[s_mode][GDC_HBP]); - gdc_prm(slave_param[s_mode][GDC_VFP]); - gdc_word_prm((slave_param[s_mode][GDC_VBP] << 10) - + (slave_param[s_mode][GDC_LF])); - gdc_fifo_empty(); - gdc_cmd(_GDC_PITCH); - gdc_prm(SlavePCH[gdc_clock]); - gdc_fifo_empty(); - - /* set Master GDC scroll param */ - master_gdc_wait_vsync(); - master_gdc_wait_vsync(); - master_gdc_wait_vsync(); - master_gdc_cmd(_GDC_SCROLL); - master_gdc_word_prm(0); - master_gdc_word_prm((master_param[m_mode][GDC_LF] << 4) | 0x0000); - master_gdc_fifo_empty(); - - /* set Slave GDC scroll param */ - gdc_wait_vsync(); - gdc_cmd(_GDC_SCROLL); - gdc_word_prm(0); - if (gdc_clock == _5MHZ){ - gdc_word_prm((SlaveScrlLF[mode] << 4) | 0x4000); - }else{ - gdc_word_prm(SlaveScrlLF[mode] << 4); - } - gdc_fifo_empty(); - - gdc_word_prm(0); - if (gdc_clock == _5MHZ){ - gdc_word_prm((SlaveScrlLF[mode] << 4) | 0x4000); - }else{ - gdc_word_prm(SlaveScrlLF[mode] << 4); - } - gdc_fifo_empty(); - - /* sync start */ - gdc_cmd(_GDC_STOP); - - gdc_wait_vsync(); - gdc_wait_vsync(); - gdc_wait_vsync(); - - master_gdc_cmd(_GDC_START); -} - -/* entry points */ - -static int -gdc_nop(void) -{ - return 0; -} - -static int -gdc_probe(int unit, video_adapter_t **adpp, void *arg, int flags) -{ - probe_adapters(); - if (unit >= 1) - return ENXIO; - - *adpp = &biosadapter[unit]; - - return 0; -} - -static int -gdc_init(int unit, video_adapter_t *adp, int flags) -{ - if ((unit >= 1) || (adp == NULL) || !probe_done(adp)) - return ENXIO; - - if (!init_done(adp)) { - /* nothing to do really... */ - adp->va_flags |= V_ADP_INITIALIZED; - } - - if (!config_done(adp)) { - if (vid_register(adp) < 0) - return ENXIO; - adp->va_flags |= V_ADP_REGISTERED; - } - - return 0; -} - -/* - * get_info(): - * Return the video_info structure of the requested video mode. - */ -static int -gdc_get_info(video_adapter_t *adp, int mode, video_info_t *info) -{ - int i; - - if (!init_done) - return 1; - - mode = map_gen_mode_num(adp->va_type, adp->va_flags & V_ADP_COLOR, mode); - for (i = 0; bios_vmode[i].vi_mode != EOT; ++i) { - if (bios_vmode[i].vi_mode == NA) - continue; - if (mode == bios_vmode[i].vi_mode) { - *info = bios_vmode[i]; - return 0; - } - } - return 1; -} - -/* - * query_mode(): - * Find a video mode matching the requested parameters. - * Fields filled with 0 are considered "don't care" fields and - * match any modes. - */ -static int -gdc_query_mode(video_adapter_t *adp, video_info_t *info) -{ - video_info_t buf; - int i; - - if (!init_done) - return -1; - - for (i = 0; bios_vmode[i].vi_mode != EOT; ++i) { - if (bios_vmode[i].vi_mode == NA) - continue; - - if ((info->vi_width != 0) - && (info->vi_width != bios_vmode[i].vi_width)) - continue; - if ((info->vi_height != 0) - && (info->vi_height != bios_vmode[i].vi_height)) - continue; - if ((info->vi_cwidth != 0) - && (info->vi_cwidth != bios_vmode[i].vi_cwidth)) - continue; - if ((info->vi_cheight != 0) - && (info->vi_cheight != bios_vmode[i].vi_cheight)) - continue; - if ((info->vi_depth != 0) - && (info->vi_depth != bios_vmode[i].vi_depth)) - continue; - if ((info->vi_planes != 0) - && (info->vi_planes != bios_vmode[i].vi_planes)) - continue; - /* XXX: should check pixel format, memory model */ - if ((info->vi_flags != 0) - && (info->vi_flags != bios_vmode[i].vi_flags)) - continue; - - /* verify if this mode is supported on this adapter */ - if (gdc_get_info(adp, bios_vmode[i].vi_mode, &buf)) - continue; - return bios_vmode[i].vi_mode; - } - return -1; -} - -/* - * set_mode(): - * Change the video mode. - */ -static int -gdc_set_mode(video_adapter_t *adp, int mode) -{ - video_info_t info; - - prologue(adp, V_ADP_MODECHANGE, 1); - - mode = map_gen_mode_num(adp->va_type, - adp->va_flags & V_ADP_COLOR, mode); - if (gdc_get_info(adp, mode, &info)) - return 1; - -#ifdef LINE30 - switch (scp->mode) { - case M_PC98_80x25: /* VGA TEXT MODES */ - initialize_gdc(T25_G400); - break; - case M_PC98_80x30: - initialize_gdc(T30_G400); - break; - default: - break; - } -#endif - - adp->va_mode = mode; - adp->va_mode_flags = info.vi_flags; - adp->va_flags &= ~V_ADP_COLOR; - adp->va_flags |= - (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; -#if 0 - adp->va_crtc_addr = - (adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; -#endif - adp->va_window = BIOS_PADDRTOVADDR(info.vi_window); - adp->va_window_size = info.vi_window_size; - adp->va_window_gran = info.vi_window_gran; - if (info.vi_buffer_size == 0) { - adp->va_buffer = 0; - adp->va_buffer_size = 0; - } else { - adp->va_buffer = BIOS_PADDRTOVADDR(info.vi_buffer); - adp->va_buffer_size = info.vi_buffer_size; - } - - /* move hardware cursor out of the way */ - (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1); - - return 0; -} - -/* - * set_border(): - * Change the border color. - */ -static int -gdc_set_border(video_adapter_t *adp, int color) -{ - outb(0x6c, color << 4); - return 0; -} - -/* - * save_state(): - * Read video card register values. - */ -static int -gdc_save_state(video_adapter_t *adp, void *p, size_t size) -{ - return 1; -} - -/* - * load_state(): - * Set video card registers at once. - */ -static int -gdc_load_state(video_adapter_t *adp, void *p) -{ - return 1; -} - -/* - * read_hw_cursor(): - * Read the position of the hardware text cursor. - */ -static int -gdc_read_hw_cursor(video_adapter_t *adp, int *col, int *row) -{ - video_info_t info; - u_int16_t off; - int s; - - if (!init_done) - return 1; - - (*vidsw[adp->va_index]->get_info)(adp, adp->va_mode, &info); - if (info.vi_flags & V_INFO_GRAPHICS) - return 1; - - s = spltty(); - master_gdc_cmd(0xe0); /* _GDC_CSRR */ - while((inb(TEXT_GDC + 0) & 0x1) == 0) {} /* GDC wait */ - off = inb(TEXT_GDC + 2); /* EADl */ - off |= (inb(TEXT_GDC + 2) << 8); /* EADh */ - inb(TEXT_GDC + 2); /* dummy */ - inb(TEXT_GDC + 2); /* dummy */ - inb(TEXT_GDC + 2); /* dummy */ - splx(s); - - if (off >= ROW*COL) - off = 0; - *row = off / info.vi_width; - *col = off % info.vi_width; - - return 0; -} - -/* - * set_hw_cursor(): - * Move the hardware text cursor. If col and row are both -1, - * the cursor won't be shown. - */ -static int -gdc_set_hw_cursor(video_adapter_t *adp, int col, int row) -{ - video_info_t info; - u_int16_t off; - int s; - - if (!init_done) - return 1; - - if ((col == -1) && (row == -1)) { - off = -1; - } else { - (*vidsw[adp->va_index]->get_info)(adp, adp->va_mode, &info); - if (info.vi_flags & V_INFO_GRAPHICS) - return 1; - off = row*info.vi_width + col; - } - - s = spltty(); - master_gdc_cmd(0x49); /* _GDC_CSRW */ - master_gdc_word_prm(off); - splx(s); - - return 0; -} - -/* - * set_hw_cursor_shape(): - * Change the shape of the hardware text cursor. If the height is zero - * or negative, the cursor won't be shown. - */ -static int -gdc_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, - int celsize, int blink) -{ - int start; - int end; - int s; - - start = celsize - (base + height); - end = celsize - base - 1; - /* - * muPD7220 GDC has anomaly that if end == celsize - 1 then start - * must be 0, otherwise the cursor won't be correctly shown - * in the first row in the screen. We shall set end to celsize - 2; - * if end == celsize -1 && start > 0. XXX - */ - if ((end == celsize - 1) && (start > 0)) - --end; - - s = spltty(); - master_gdc_cmd(0x4b); /* _GDC_CSRFORM */ - master_gdc_prm(((height > 0) ? 0x80 : 0) /* cursor on/off */ - | (celsize - 1) & 0x1f); /* cel size */ - master_gdc_word_prm(((end & 0x1f) << 11) /* end line */ - | (12 << 6) /* blink rate */ - | (blink ? 0x20 : 0) /* blink on/off */ - | (start & 0x1f)); /* start line */ - splx(s); - - return 1; -} - -static void -dump_buffer(u_char *buf, size_t len) -{ - int i; - - for(i = 0; i < len;) { - printf("%02x ", buf[i]); - if ((++i % 16) == 0) - printf("\n"); - } -} - -/* - * mmap(): - * Mmap frame buffer. - */ -static int -gdc_mmap(video_adapter_t *adp, vm_offset_t offset) -{ - if (offset > 0x48000 - PAGE_SIZE) - return -1; - return i386_btop((VIDEO_BUF_BASE + offset)); -} - -/* - * diag(): - * Print some information about the video adapter and video modes, - * with requested level of details. - */ -static int -gdc_diag(video_adapter_t *adp, int level) -{ - video_info_t info; - int i; - - if (!init_done) - return 1; - - fb_dump_adp_info(DRIVER_NAME, adp, level); - -#if FB_DEBUG > 1 - for (i = 0; bios_vmode[i].vi_mode != EOT; ++i) { - if (bios_vmode[i].vi_mode == NA) - continue; - if (get_mode_param(bios_vmode[i].vi_mode) == NULL) - continue; - fb_dump_mode_info(DRIVER_NAME, adp, &bios_vmode[i], level); - } -#endif - - return 0; -} - -static int -gdc_err(video_adapter_t *adp, ...) -{ - return 0; -} - -#endif /* NGDC > 0 */ |