diff options
Diffstat (limited to 'sys/pc98/cbus/gdc.c')
| -rw-r--r-- | sys/pc98/cbus/gdc.c | 319 |
1 files changed, 253 insertions, 66 deletions
diff --git a/sys/pc98/cbus/gdc.c b/sys/pc98/cbus/gdc.c index a6efd2a..e98f35e 100644 --- a/sys/pc98/cbus/gdc.c +++ b/sys/pc98/cbus/gdc.c @@ -25,7 +25,7 @@ * (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: pc98gdc.c,v 1.8 1999/05/09 04:56:42 kato Exp $ + * $Id: pc98gdc.c,v 1.9 1999/05/30 16:53:20 phk Exp $ */ #include "gdc.h" @@ -72,7 +72,7 @@ typedef struct gdc_softc { #define GDC_SOFTC(unit) \ ((gdc_softc_t *)devclass_get_softc(gdc_devclass, unit)) -devclass_t gdc_devclass; +static devclass_t gdc_devclass; static int gdcprobe(device_t dev); static int gdc_attach(device_t dev); @@ -99,13 +99,15 @@ static int gdc_attach_unit(int unit, gdc_softc_t *sc, int flags); static d_open_t gdcopen; static d_close_t gdcclose; static d_read_t gdcread; +static d_write_t gdcwrite; static d_ioctl_t gdcioctl; +static d_mmap_t gdcmmap; static struct cdevsw vga_cdevsw = { /* open */ gdcopen, /* close */ gdcclose, - /* read */ noread, - /* write */ nowrite, + /* read */ gdcread, + /* write */ gdcwrite, /* ioctl */ gdcioctl, /* stop */ nostop, /* reset */ noreset, @@ -139,9 +141,24 @@ static int gdc_attach(device_t dev) { gdc_softc_t *sc; + int error; sc = device_get_softc(dev); - return gdc_attach_unit(device_get_unit(dev), sc, isa_get_flags(dev)); + error = gdc_attach_unit(device_get_unit(dev), sc, isa_get_flags(dev)); + if (error) + return error; + +#ifdef FB_INSTALL_CDEV + /* attach a virtual frame buffer device */ + error = fb_attach(makedev(0, GDC_MKMINOR(unit)), sc->adp, &gdc_cdevsw); + if (error) + return error; +#endif /* FB_INSTALL_CDEV */ + + if (bootverbose) + (*vidsw[sc->adp->va_index]->diag)(sc->adp, bootverbose); + + return 0; } static int @@ -152,7 +169,7 @@ gdc_probe_unit(int unit, gdc_softc_t *sc, int flags) bzero(sc, sizeof(*sc)); sw = vid_get_switch(DRIVER_NAME); if (sw == NULL) - return 0; + return ENXIO; return (*sw->probe)(unit, &sc->adp, NULL, flags); } @@ -160,30 +177,78 @@ 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; + return (*sw->init)(unit, sc->adp, flags); +} - error = (*sw->init)(unit, sc->adp, flags); - if (error) - return ENXIO; +/* cdev driver functions */ #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); +static int +gdcopen(dev_t dev, int flag, int mode, struct proc *p) +{ + gdc_softc_t *sc; - return 0; + sc = GDC_SOFTC(GDC_UNIT(dev)); + if (sc == NULL) + return ENXIO; + if (mode & (O_CREAT | O_APPEND | O_TRUNC)) + return ENODEV; + + return genfbopen(&sc->gensc, sc->adp, flag, mode, p); +} + +static int +gdcclose(dev_t dev, int flag, int mode, struct proc *p) +{ + gdc_softc_t *sc; + + sc = GDC_SOFTC(GDC_UNIT(dev)); + return genfbclose(&sc->gensc, sc->adp, flag, mode, p); +} + +static int +gdcread(dev_t dev, struct uio *uio, int flag) +{ + gdc_softc_t *sc; + + sc = GDC_SOFTC(GDC_UNIT(dev)); + return genfbread(&sc->gensc, sc->adp, uio, flag); +} + +static int +gdcwrite(dev_t dev, struct uio *uio, int flag) +{ + gdc_softc_t *sc; + + sc = GDC_SOFTC(GDC_UNIT(dev)); + return genfbread(&sc->gensc, sc->adp, uio, flag); +} + +static int +gdcioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct proc *p) +{ + gdc_softc_t *sc; + + sc = GDC_SOFTC(GDC_UNIT(dev)); + return genfbioctl(&sc->gensc, sc->adp, cmd, arg, flag, p); } +static int +gdcmmap(dev_t dev, vm_offset_t offset, int prot) +{ + gdc_softc_t *sc; + + sc = GDC_SOFTC(GDC_UNIT(dev)); + return genfbmmap(&sc->gensc, sc->adp, offset, prot); +} + +#endif /* FB_INSTALL_CDEV */ + /* LOW-LEVEL */ #include <machine/clock.h> @@ -213,7 +278,7 @@ static video_adapter_t adapter_init_value[] = { 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* */ + TEXT_BUF_BASE, TEXT_BUF_SIZE, TEXT_BUF_SIZE, 0, /* va_window* */ 0, 0, /* va_buffer, va_buffer_size */ 0, M_PC98_80x25, 0, /* va_*mode* */ }, @@ -224,6 +289,7 @@ static video_adapter_t biosadapter[1]; /* video driver declarations */ static int gdc_configure(int flags); static int gdc_nop(void); +static int gdc_err(video_adapter_t *adp, ...); static vi_probe_t gdc_probe; static vi_init_t gdc_init; static vi_get_info_t gdc_get_info; @@ -235,11 +301,11 @@ 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_blank_display_t gdc_blank_display; +static vi_mmap_t gdc_mmap_buf; +static vi_ioctl_t gdc_dev_ioctl; static vi_diag_t gdc_diag; -static int gdc_err(video_adapter_t *adp, ...); - static video_switch_t gdcvidsw = { gdc_probe, gdc_init, @@ -258,8 +324,14 @@ static video_switch_t gdcvidsw = { gdc_read_hw_cursor, gdc_set_hw_cursor, gdc_set_hw_cursor_shape, - (vi_blank_display_t *)gdc_nop, - gdc_mmap, + gdc_blank_display, + gdc_mmap_buf, + gdc_dev_ioctl, + (vi_clear_t *)gdc_err, + (vi_fill_rect_t *)gdc_err, + (vi_bitblt_t *)gdc_err, + (int (*)(void))gdc_err, + (int (*)(void))gdc_err, gdc_diag, }; @@ -271,15 +343,15 @@ VIDEO_DRIVER(gdc, gdcvidsw, gdc_configure); 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 }, + TEXT_BUF_BASE, TEXT_BUF_SIZE, TEXT_BUF_SIZE, 0, 0, V_INFO_MM_TEXT }, #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 }, + TEXT_BUF_BASE, TEXT_BUF_SIZE, TEXT_BUF_SIZE, 0, 0, V_INFO_MM_TEXT }, #endif { EOT }, }; -static int init_done = FALSE; +static int gdc_init_done = FALSE; /* local functions */ static int map_gen_mode_num(int type, int color, int mode); @@ -287,7 +359,7 @@ 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))) \ + if (!gdc_init_done || !((adp)->va_flags & (flag))) \ return (err) /* a backdoor for the console driver */ @@ -336,9 +408,9 @@ probe_adapters(void) video_info_t info; /* do this test only once */ - if (init_done) + if (gdc_init_done) return 1; - init_done = TRUE; + gdc_init_done = TRUE; biosadapter[0] = adapter_init_value[0]; biosadapter[0].va_flags |= V_ADP_PROBED; @@ -547,6 +619,12 @@ gdc_nop(void) } static int +gdc_err(video_adapter_t *adp, ...) +{ + return ENODEV; +} + +static int gdc_probe(int unit, video_adapter_t **adpp, void *arg, int flags) { probe_adapters(); @@ -587,8 +665,8 @@ gdc_get_info(video_adapter_t *adp, int mode, video_info_t *info) { int i; - if (!init_done) - return 1; + if (!gdc_init_done) + return ENXIO; 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) { @@ -596,10 +674,11 @@ gdc_get_info(video_adapter_t *adp, int mode, video_info_t *info) continue; if (mode == bios_vmode[i].vi_mode) { *info = bios_vmode[i]; + info->vi_buffer_size = info->vi_window_size*info->vi_planes; return 0; } } - return 1; + return EINVAL; } /* @@ -614,7 +693,7 @@ gdc_query_mode(video_adapter_t *adp, video_info_t *info) video_info_t buf; int i; - if (!init_done) + if (!gdc_init_done) return -1; for (i = 0; bios_vmode[i].vi_mode != EOT; ++i) { @@ -661,16 +740,16 @@ gdc_set_mode(video_adapter_t *adp, int mode) { video_info_t info; - prologue(adp, V_ADP_MODECHANGE, 1); + prologue(adp, V_ADP_MODECHANGE, ENODEV); mode = map_gen_mode_num(adp->va_type, adp->va_flags & V_ADP_COLOR, mode); if (gdc_get_info(adp, mode, &info)) - return 1; + return EINVAL; #ifdef LINE30 switch (info.vi_mode) { - case M_PC98_80x25: /* VGA TEXT MODES */ + case M_PC98_80x25: /* GDC TEXT MODES */ initialize_gdc(T25_G400); break; case M_PC98_80x30: @@ -744,7 +823,7 @@ gdc_set_border(video_adapter_t *adp, int color) static int gdc_save_state(video_adapter_t *adp, void *p, size_t size) { - return 1; + return ENODEV; } /* @@ -754,7 +833,7 @@ gdc_save_state(video_adapter_t *adp, void *p, size_t size) static int gdc_load_state(video_adapter_t *adp, void *p) { - return 1; + return ENODEV; } /* @@ -767,11 +846,11 @@ gdc_read_hw_cursor(video_adapter_t *adp, int *col, int *row) u_int16_t off; int s; - if (!init_done) - return 1; + if (!gdc_init_done) + return ENXIO; if (adp->va_info.vi_flags & V_INFO_GRAPHICS) - return 1; + return ENODEV; s = spltty(); master_gdc_cmd(0xe0); /* _GDC_CSRR */ @@ -802,14 +881,30 @@ gdc_set_hw_cursor(video_adapter_t *adp, int col, int row) u_int16_t off; int s; - if (!init_done) - return 1; + if (!gdc_init_done) + return ENXIO; if ((col == -1) && (row == -1)) { off = -1; + /* XXX */ + if (epson_machine_id == 0x20) { + s = spltty(); + outb(0x43f, 0x42); + outb(0x0c17, inb(0xc17) & ~0x08); + outb(0x43f, 0x40); + splx(s); + } } else { if (adp->va_info.vi_flags & V_INFO_GRAPHICS) - return 1; + return ENODEV; + /* XXX */ + if (epson_machine_id == 0x20) { + s = spltty(); + outb(0x43f, 0x42); + outb(0x0c17, inb(0xc17) | 0x08); + outb(0x43f, 0x40); + splx(s); + } off = row*adp->va_info.vi_width + col; } @@ -834,6 +929,9 @@ gdc_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, int end; int s; + if (!gdc_init_done) + return ENXIO; + start = celsize - (base + height); end = celsize - base - 1; /* @@ -846,28 +944,76 @@ gdc_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, --end; s = spltty(); + if (epson_machine_id == 0x20) { /* XXX */ + outb(0x43f, 0x42); + if (height > 0) + outb(0x0c17, inb(0xc17) | 0x08); + else + outb(0x0c17, inb(0xc17) & ~0x08); + outb(0x43f, 0x40); + } master_gdc_cmd(0x4b); /* _GDC_CSRFORM */ master_gdc_prm(((height > 0) ? 0x80 : 0) /* cursor on/off */ - | (celsize - 1) & 0x1f); /* cel size */ + | ((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; + return 0; } -static void -dump_buffer(u_char *buf, size_t len) +/* + * blank_display() + * Put the display in power save/power off mode. + */ +static int +gdc_blank_display(video_adapter_t *adp, int mode) { - int i; + int s; - for(i = 0; i < len;) { - printf("%02x ", buf[i]); - if ((++i % 16) == 0) - printf("\n"); + if (!gdc_init_done) + return ENXIO; + + s = splhigh(); + switch (mode) { + case V_DISPLAY_SUSPEND: + case V_DISPLAY_STAND_BY: + /* + * FIXME: I don't know how to put the display into `suspend' + * or `stand-by' mode via GDC... + */ + /* FALL THROUGH */ + + case V_DISPLAY_BLANK: + if (epson_machine_id == 0x20) { /* XXX */ + outb(0x43f, 0x42); + outb(0xc17, inb(0xc17) & ~0x08); + outb(0xc16, inb(0xc16) & ~0x02); + outb(0x43f, 0x40); + } else { + while (!(inb(TEXT_GDC) & 0x20)) /* V-SYNC wait */ + ; + outb(TEXT_GDC + 2, 0xc); /* text off */ + } + break; + + case V_DISPLAY_ON: + if (epson_machine_id == 0x20) { /* XXX */ + outb(0x43f, 0x42); + outb(0xc17, inb(0xc17) | 0x08); + outb(0xc16, inb(0xc16) | 0x02); + outb(0x43f, 0x40); + } else { + while (!(inb(TEXT_GDC) & 0x20)) /* V-SYNC wait */ + ; + outb(TEXT_GDC + 2, 0xd); /* text on */ + } + break; } + splx(s); + return 0; } /* @@ -875,11 +1021,58 @@ dump_buffer(u_char *buf, size_t len) * Mmap frame buffer. */ static int -gdc_mmap(video_adapter_t *adp, vm_offset_t offset) +gdc_mmap_buf(video_adapter_t *adp, vm_offset_t offset, int prot) { - if (offset > 0x48000 - PAGE_SIZE) + /* FIXME: is this correct? XXX */ + if (offset > VIDEO_BUF_SIZE - PAGE_SIZE) return -1; - return i386_btop((VIDEO_BUF_BASE + offset)); + return i386_btop(adp->va_info.vi_window + offset); +} + +static int +gdc_dev_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) +{ + switch (cmd) { + case FBIO_GETWINORG: /* get frame buffer window origin */ + *(u_int *)arg = 0; + return 0; + + case FBIO_SETWINORG: /* set frame buffer window origin */ + case FBIO_SETDISPSTART: /* set display start address */ + case FBIO_SETLINEWIDTH: /* set scan line length in pixel */ + case FBIO_GETPALETTE: /* get color palette */ + case FBIO_SETPALETTE: /* set color palette */ + case FBIOGETCMAP: /* get color palette */ + case FBIOPUTCMAP: /* set color palette */ + return ENODEV; + + case FBIOGTYPE: /* get frame buffer type info. */ + ((struct fbtype *)arg)->fb_type = fb_type(adp->va_type); + ((struct fbtype *)arg)->fb_height = adp->va_info.vi_height; + ((struct fbtype *)arg)->fb_width = adp->va_info.vi_width; + ((struct fbtype *)arg)->fb_depth = adp->va_info.vi_depth; + if ((adp->va_info.vi_depth <= 1) || (adp->va_info.vi_depth > 8)) + ((struct fbtype *)arg)->fb_cmsize = 0; + else + ((struct fbtype *)arg)->fb_cmsize = 1 << adp->va_info.vi_depth; + ((struct fbtype *)arg)->fb_size = adp->va_buffer_size; + return 0; + + default: + return fb_commonioctl(adp, cmd, arg); + } +} + +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"); + } } /* @@ -894,8 +1087,8 @@ gdc_diag(video_adapter_t *adp, int level) int i; #endif - if (!init_done) - return 1; + if (!gdc_init_done) + return ENXIO; fb_dump_adp_info(DRIVER_NAME, adp, level); @@ -912,10 +1105,4 @@ gdc_diag(video_adapter_t *adp, int level) return 0; } -static int -gdc_err(video_adapter_t *adp, ...) -{ - return 0; -} - #endif /* NGDC > 0 */ |
