diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/atkbdc/atkbd.c | 63 | ||||
| -rw-r--r-- | sys/dev/dpms/dpms.c | 230 | ||||
| -rw-r--r-- | sys/dev/fb/s3_pci.c | 3 | ||||
| -rw-r--r-- | sys/dev/fb/vesa.c | 1866 | ||||
| -rw-r--r-- | sys/dev/fb/vesa.h | 136 | ||||
| -rw-r--r-- | sys/dev/fb/vga.c | 2 | ||||
| -rw-r--r-- | sys/dev/fb/vgareg.h | 1 | ||||
| -rw-r--r-- | sys/dev/pci/vga_pci.c | 21 | ||||
| -rw-r--r-- | sys/dev/syscons/scvesactl.c | 2 | ||||
| -rw-r--r-- | sys/dev/syscons/scvgarndr.c | 20 | ||||
| -rw-r--r-- | sys/dev/syscons/scvidctl.c | 77 | ||||
| -rw-r--r-- | sys/dev/syscons/syscons.c | 138 | ||||
| -rw-r--r-- | sys/dev/syscons/syscons.h | 8 |
13 files changed, 2487 insertions, 80 deletions
diff --git a/sys/dev/atkbdc/atkbd.c b/sys/dev/atkbdc/atkbd.c index 0aae1531b137..600020fae6de 100644 --- a/sys/dev/atkbdc/atkbd.c +++ b/sys/dev/atkbdc/atkbd.c @@ -44,10 +44,10 @@ __FBSDID("$FreeBSD$"); #include <machine/bus.h> #include <machine/resource.h> -#ifdef __i386__ +#if defined(__i386__) || defined(__amd64__) #include <machine/md_var.h> #include <machine/psl.h> -#include <machine/vm86.h> +#include <compat/x86bios/x86bios.h> #include <machine/pc/bios.h> #include <vm/vm.h> @@ -55,7 +55,7 @@ __FBSDID("$FreeBSD$"); #include <vm/vm_param.h> #include <isa/isareg.h> -#endif /* __i386__ */ +#endif /* __i386__ || __amd64__ */ #include <sys/kbio.h> #include <dev/kbd/kbdreg.h> @@ -1089,34 +1089,45 @@ atkbd_shutdown_final(void *v) static int get_typematic(keyboard_t *kbd) { -#ifdef __i386__ +#if defined(__i386__) || defined(__amd64__) /* - * Only some systems allow us to retrieve the keyboard repeat + * Only some systems allow us to retrieve the keyboard repeat * rate previously set via the BIOS... */ - struct vm86frame vmf; - u_int32_t p; + x86regs_t regs; + uint8_t *p; - bzero(&vmf, sizeof(vmf)); - vmf.vmf_ax = 0xc000; - vm86_intcall(0x15, &vmf); - if ((vmf.vmf_eflags & PSL_C) || vmf.vmf_ah) - return ENODEV; - p = BIOS_PADDRTOVADDR(((u_int32_t)vmf.vmf_es << 4) + vmf.vmf_bx); - if ((readb(p + 6) & 0x40) == 0) /* int 16, function 0x09 supported? */ - return ENODEV; - vmf.vmf_ax = 0x0900; - vm86_intcall(0x16, &vmf); - if ((vmf.vmf_al & 0x08) == 0) /* int 16, function 0x0306 supported? */ - return ENODEV; - vmf.vmf_ax = 0x0306; - vm86_intcall(0x16, &vmf); - kbd->kb_delay1 = typematic_delay(vmf.vmf_bh << 5); - kbd->kb_delay2 = typematic_rate(vmf.vmf_bl); - return 0; + if (x86bios_get_intr(0x15) == 0 || x86bios_get_intr(0x16) == 0) + return (ENODEV); + + /* Is BIOS system configuration table supported? */ + x86bios_init_regs(®s); + regs.R_AH = 0xc0; + x86bios_intr(®s, 0x15); + if ((regs.R_FLG & PSL_C) != 0 || regs.R_AH != 0) + return (ENODEV); + + /* Is int 0x16, function 0x09 supported? */ + p = x86bios_offset((regs.R_ES << 4) + regs.R_BX); + if (readw(p) < 5 || (readb(p + 6) & 0x40) == 0) + return (ENODEV); + + /* Is int 0x16, function 0x0306 supported? */ + x86bios_init_regs(®s); + regs.R_AH = 0x09; + x86bios_intr(®s, 0x16); + if ((regs.R_AL & 0x08) == 0) + return (ENODEV); + + x86bios_init_regs(®s); + regs.R_AX = 0x0306; + x86bios_intr(®s, 0x16); + kbd->kb_delay1 = typematic_delay(regs.R_BH << 5); + kbd->kb_delay2 = typematic_rate(regs.R_BL); + return (0); #else - return ENODEV; -#endif /* __i386__ */ + return (ENODEV); +#endif /* __i386__ || __amd64__ */ } static int diff --git a/sys/dev/dpms/dpms.c b/sys/dev/dpms/dpms.c new file mode 100644 index 000000000000..fdfed2f6cedd --- /dev/null +++ b/sys/dev/dpms/dpms.c @@ -0,0 +1,230 @@ +/*- + * Copyright (c) 2008 Yahoo!, Inc. + * All rights reserved. + * Written by: John Baldwin <jhb@FreeBSD.org> + * + * 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. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + */ + +/* + * Copyright (c) 2004 Benjamin Close <Benjamin.Close@clearchain.com> + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + */ + +/* + * Support for managing the display via DPMS for suspend/resume. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/bus.h> +#include <sys/kernel.h> +#include <sys/libkern.h> +#include <sys/module.h> + +#include <compat/x86bios/x86bios.h> + +/* + * VESA DPMS States + */ +#define DPMS_ON 0x00 +#define DPMS_STANDBY 0x01 +#define DPMS_SUSPEND 0x02 +#define DPMS_OFF 0x04 +#define DPMS_REDUCEDON 0x08 + +#define VBE_DPMS_FUNCTION 0x4F10 +#define VBE_DPMS_GET_SUPPORTED_STATES 0x00 +#define VBE_DPMS_GET_STATE 0x02 +#define VBE_DPMS_SET_STATE 0x01 +#define VBE_MAJORVERSION_MASK 0x0F +#define VBE_MINORVERSION_MASK 0xF0 + +struct dpms_softc { + int dpms_supported_states; + int dpms_initial_state; +}; + +static int dpms_attach(device_t); +static int dpms_detach(device_t); +static int dpms_get_supported_states(int *); +static int dpms_get_current_state(int *); +static void dpms_identify(driver_t *, device_t); +static int dpms_probe(device_t); +static int dpms_resume(device_t); +static int dpms_set_state(int); +static int dpms_suspend(device_t); + +static device_method_t dpms_methods[] = { + DEVMETHOD(device_identify, dpms_identify), + DEVMETHOD(device_probe, dpms_probe), + DEVMETHOD(device_attach, dpms_attach), + DEVMETHOD(device_detach, dpms_detach), + DEVMETHOD(device_suspend, dpms_suspend), + DEVMETHOD(device_resume, dpms_resume), + { 0, 0 } +}; + +static driver_t dpms_driver = { + "dpms", + dpms_methods, + sizeof(struct dpms_softc), +}; + +static devclass_t dpms_devclass; + +DRIVER_MODULE(dpms, vgapm, dpms_driver, dpms_devclass, NULL, NULL); +MODULE_DEPEND(dpms, x86bios, 1, 1, 1); + +static void +dpms_identify(driver_t *driver, device_t parent) +{ + + if (x86bios_match_device(0xc0000, device_get_parent(parent))) + device_add_child(parent, "dpms", 0); +} + +static int +dpms_probe(device_t dev) +{ + int error, states; + + error = dpms_get_supported_states(&states); + if (error) + return (error); + device_set_desc(dev, "DPMS suspend/resume"); + device_quiet(dev); + return (BUS_PROBE_DEFAULT); +} + +static int +dpms_attach(device_t dev) +{ + struct dpms_softc *sc; + int error; + + sc = device_get_softc(dev); + error = dpms_get_supported_states(&sc->dpms_supported_states); + if (error) + return (error); + error = dpms_get_current_state(&sc->dpms_initial_state); + return (error); +} + +static int +dpms_detach(device_t dev) +{ + + return (0); +} + +static int +dpms_suspend(device_t dev) +{ + struct dpms_softc *sc; + + sc = device_get_softc(dev); + if ((sc->dpms_supported_states & DPMS_OFF) != 0) + dpms_set_state(DPMS_OFF); + return (0); +} + +static int +dpms_resume(device_t dev) +{ + struct dpms_softc *sc; + + sc = device_get_softc(dev); + dpms_set_state(sc->dpms_initial_state); + return (0); +} + +static int +dpms_call_bios(int subfunction, int *bh) +{ + x86regs_t regs; + + if (x86bios_get_intr(0x10) == 0) + return (ENXIO); + + x86bios_init_regs(®s); + regs.R_AX = VBE_DPMS_FUNCTION; + regs.R_BL = subfunction; + regs.R_BH = *bh; + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) + return (ENXIO); + + *bh = regs.R_BH; + + return (0); +} + +static int +dpms_get_supported_states(int *states) +{ + + *states = 0; + return (dpms_call_bios(VBE_DPMS_GET_SUPPORTED_STATES, states)); +} + +static int +dpms_get_current_state(int *state) +{ + + *state = 0; + return (dpms_call_bios(VBE_DPMS_GET_STATE, state)); +} + +static int +dpms_set_state(int state) +{ + + return (dpms_call_bios(VBE_DPMS_SET_STATE, &state)); +} diff --git a/sys/dev/fb/s3_pci.c b/sys/dev/fb/s3_pci.c index 558329ba8877..cfddf3041f09 100644 --- a/sys/dev/fb/s3_pci.c +++ b/sys/dev/fb/s3_pci.c @@ -54,9 +54,8 @@ __FBSDID("$FreeBSD$"); #include <dev/pci/pcivar.h> #include <machine/md_var.h> -#include <machine/vm86.h> #include <machine/pc/bios.h> -#include <machine/pc/vesa.h> +#include <dev/fb/vesa.h> #include <dev/fb/fbreg.h> #include <dev/fb/vgareg.h> diff --git a/sys/dev/fb/vesa.c b/sys/dev/fb/vesa.c new file mode 100644 index 000000000000..df0dc1e65bef --- /dev/null +++ b/sys/dev/fb/vesa.c @@ -0,0 +1,1866 @@ +/*- + * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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> +__FBSDID("$FreeBSD$"); + +#include "opt_vga.h" +#include "opt_vesa.h" + +#ifndef VGA_NO_MODE_CHANGE + +#include <sys/param.h> +#include <sys/bus.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/malloc.h> +#include <sys/fbio.h> + +#include <vm/vm.h> +#include <vm/vm_extern.h> +#include <vm/vm_kern.h> +#include <vm/vm_param.h> +#include <vm/pmap.h> + +#include <machine/pc/bios.h> +#include <dev/fb/vesa.h> + +#include <dev/fb/fbreg.h> +#include <dev/fb/vgareg.h> + +#include <dev/pci/pcivar.h> + +#include <isa/isareg.h> + +#include <compat/x86bios/x86bios.h> + +#define VESA_VIA_CLE266 "VIA CLE266\r\n" + +#ifndef VESA_DEBUG +#define VESA_DEBUG 0 +#endif + +/* VESA video adapter state buffer stub */ +struct adp_state { + int sig; +#define V_STATE_SIG 0x61736576 + u_char regs[1]; +}; +typedef struct adp_state adp_state_t; + +/* VESA video adapter */ +static video_adapter_t *vesa_adp = NULL; +static ssize_t vesa_state_buf_size = -1; + +/* VESA functions */ +#if 0 +static int vesa_nop(void); +#endif +static int vesa_error(void); +static vi_probe_t vesa_probe; +static vi_init_t vesa_init; +static vi_get_info_t vesa_get_info; +static vi_query_mode_t vesa_query_mode; +static vi_set_mode_t vesa_set_mode; +static vi_save_font_t vesa_save_font; +static vi_load_font_t vesa_load_font; +static vi_show_font_t vesa_show_font; +static vi_save_palette_t vesa_save_palette; +static vi_load_palette_t vesa_load_palette; +static vi_set_border_t vesa_set_border; +static vi_save_state_t vesa_save_state; +static vi_load_state_t vesa_load_state; +static vi_set_win_org_t vesa_set_origin; +static vi_read_hw_cursor_t vesa_read_hw_cursor; +static vi_set_hw_cursor_t vesa_set_hw_cursor; +static vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; +static vi_blank_display_t vesa_blank_display; +static vi_mmap_t vesa_mmap; +static vi_ioctl_t vesa_ioctl; +static vi_clear_t vesa_clear; +static vi_fill_rect_t vesa_fill_rect; +static vi_bitblt_t vesa_bitblt; +static vi_diag_t vesa_diag; +static int vesa_bios_info(int level); + +static video_switch_t vesavidsw = { + vesa_probe, + vesa_init, + vesa_get_info, + vesa_query_mode, + vesa_set_mode, + vesa_save_font, + vesa_load_font, + vesa_show_font, + vesa_save_palette, + vesa_load_palette, + vesa_set_border, + vesa_save_state, + vesa_load_state, + vesa_set_origin, + vesa_read_hw_cursor, + vesa_set_hw_cursor, + vesa_set_hw_cursor_shape, + vesa_blank_display, + vesa_mmap, + vesa_ioctl, + vesa_clear, + vesa_fill_rect, + vesa_bitblt, + vesa_error, + vesa_error, + vesa_diag, +}; + +static video_switch_t *prevvidsw; + +/* VESA BIOS video modes */ +#define VESA_MAXMODES 64 +#define EOT (-1) +#define NA (-2) + +#define MODE_TABLE_DELTA 8 + +static int vesa_vmode_max = 0; +static video_info_t vesa_vmode_empty = { EOT }; +static video_info_t *vesa_vmode = &vesa_vmode_empty; + +static int vesa_init_done = FALSE; +static int has_vesa_bios = FALSE; +static struct vesa_info *vesa_adp_info = NULL; +static u_int16_t *vesa_vmodetab = NULL; +static char *vesa_oemstr = NULL; +static char *vesa_venderstr = NULL; +static char *vesa_prodstr = NULL; +static char *vesa_revstr = NULL; + +/* local macros and functions */ +#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) + +static int int10_set_mode(int mode); +static int vesa_bios_post(void); +static int vesa_bios_get_mode(int mode, struct vesa_mode *vmode); +static int vesa_bios_set_mode(int mode); +#if 0 +static int vesa_bios_get_dac(void); +#endif +static int vesa_bios_set_dac(int bits); +static int vesa_bios_save_palette(int start, int colors, u_char *palette, + int bits); +static int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, + u_char *b, int bits); +static int vesa_bios_load_palette(int start, int colors, u_char *palette, + int bits); +static int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, + u_char *b, int bits); +#define STATE_SIZE 0 +#define STATE_SAVE 1 +#define STATE_LOAD 2 +#define STATE_HW (1<<0) +#define STATE_DATA (1<<1) +#define STATE_DAC (1<<2) +#define STATE_REG (1<<3) +#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) +#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) +static ssize_t vesa_bios_state_buf_size(void); +static int vesa_bios_save_restore(int code, void *p, size_t size); +#if 0 +static int vesa_bios_get_line_length(void); +#endif +static int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); +#if 0 +static int vesa_bios_get_start(int *x, int *y); +#endif +static int vesa_bios_set_start(int x, int y); +static int vesa_map_gen_mode_num(int type, int color, int mode); +static int vesa_translate_flags(u_int16_t vflags); +static int vesa_translate_mmodel(u_int8_t vmodel); +static int vesa_bios_init(void); +static void vesa_clear_modes(video_info_t *info, int color); + +#if 0 +static int vesa_get_origin(video_adapter_t *adp, off_t *offset); +#endif + +/* INT 10 BIOS calls */ +static int +int10_set_mode(int mode) +{ + x86regs_t regs; + + x86bios_init_regs(®s); + regs.R_AL = mode; + + x86bios_intr(®s, 0x10); + + return (0); +} + +static int +vesa_bios_post(void) +{ + x86regs_t regs; + devclass_t dc; + device_t *devs; + device_t dev; + int count, i, is_pci; + + if (x86bios_get_orm(0xc0000) == NULL) + return (1); + + dev = NULL; + is_pci = 0; + + /* Find the matching PCI video controller. */ + dc = devclass_find("vgapci"); + if (dc != NULL && devclass_get_devices(dc, &devs, &count) == 0) { + for (dev = NULL, i = 0; dev == NULL && i < count; devs++, i++) + if (device_get_flags(*devs) != 0 && + x86bios_match_device(0xc0000, *devs)) { + dev = *devs; + is_pci = 1; + break; + } + free(devs, M_TEMP); + } + + /* Try VGA if a PCI device is not found. */ + if (dev == NULL) { + dc = devclass_find(VGA_DRIVER_NAME); + if (dc != NULL) + dev = devclass_get_device(dc, 0); + } + + if (bootverbose) + printf("%s: calling BIOS POST\n", + dev == NULL ? "VESA" : device_get_nameunit(dev)); + + x86bios_init_regs(®s); + if (is_pci) { + regs.R_AH = pci_get_bus(dev); + regs.R_AL = (pci_get_slot(dev) << 3) | + (pci_get_function(dev) & 0x07); + } + regs.R_DL = 0x80; + x86bios_call(®s, 0xc000, 0x0003); + + if (x86bios_get_intr(0x10) == 0) + return (1); + + return (0); +} + +/* VESA BIOS calls */ +static int +vesa_bios_get_mode(int mode, struct vesa_mode *vmode) +{ + x86regs_t regs; + uint32_t offs; + void *buf; + + buf = x86bios_alloc(&offs, sizeof(*vmode)); + if (buf == NULL) + return (1); + + x86bios_init_regs(®s); + regs.R_AX = 0x4f01; + regs.R_CX = mode; + + regs.R_ES = X86BIOS_PHYSTOSEG(offs); + regs.R_DI = X86BIOS_PHYSTOOFF(offs); + + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) { + x86bios_free(buf, sizeof(*vmode)); + return (1); + } + + bcopy(buf, vmode, sizeof(*vmode)); + x86bios_free(buf, sizeof(*vmode)); + + return (0); +} + +static int +vesa_bios_set_mode(int mode) +{ + x86regs_t regs; + + x86bios_init_regs(®s); + regs.R_AX = 0x4f02; + regs.R_BX = mode; + + x86bios_intr(®s, 0x10); + + return (regs.R_AX != 0x004f); +} + +#if 0 +static int +vesa_bios_get_dac(void) +{ + x86regs_t regs; + + x86bios_init_regs(®s); + regs.R_AX = 0x4f08; + regs.R_BL = 1; + + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) + return (6); + + return (regs.R_BH); +} +#endif + +static int +vesa_bios_set_dac(int bits) +{ + x86regs_t regs; + + x86bios_init_regs(®s); + regs.R_AX = 0x4f08; + /* regs.R_BL = 0; */ + regs.R_BH = bits; + + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) + return (6); + + return (regs.R_BH); +} + +static int +vesa_bios_save_palette(int start, int colors, u_char *palette, int bits) +{ + x86regs_t regs; + uint32_t offs; + u_char *p; + int i; + + p = (u_char *)x86bios_alloc(&offs, colors * 4); + if (p == NULL) + return (1); + + x86bios_init_regs(®s); + regs.R_AX = 0x4f09; + regs.R_BL = 1; + regs.R_CX = colors; + regs.R_DX = start; + + regs.R_ES = X86BIOS_PHYSTOSEG(offs); + regs.R_DI = X86BIOS_PHYSTOOFF(offs); + + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) { + x86bios_free(p, colors * 4); + return (1); + } + + bits = 8 - bits; + for (i = 0; i < colors; ++i) { + palette[i * 3] = p[i * 4 + 2] << bits; + palette[i * 3 + 1] = p[i * 4 + 1] << bits; + palette[i * 3 + 2] = p[i * 4] << bits; + } + x86bios_free(p, colors * 4); + + return (0); +} + +static int +vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, + int bits) +{ + x86regs_t regs; + uint32_t offs; + u_char *p; + int i; + + p = (u_char *)x86bios_alloc(&offs, colors * 4); + if (p == NULL) + return (1); + + x86bios_init_regs(®s); + regs.R_AX = 0x4f09; + regs.R_BL = 1; + regs.R_CX = colors; + regs.R_DX = start; + + regs.R_ES = X86BIOS_PHYSTOSEG(offs); + regs.R_DI = X86BIOS_PHYSTOOFF(offs); + + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) { + x86bios_free(p, colors * 4); + return (1); + } + + bits = 8 - bits; + for (i = 0; i < colors; ++i) { + r[i] = p[i * 4 + 2] << bits; + g[i] = p[i * 4 + 1] << bits; + b[i] = p[i * 4] << bits; + } + x86bios_free(p, colors * 4); + + return (0); +} + +static int +vesa_bios_load_palette(int start, int colors, u_char *palette, int bits) +{ + x86regs_t regs; + uint32_t offs; + u_char *p; + int i; + + p = (u_char *)x86bios_alloc(&offs, colors * 4); + if (p == NULL) + return (1); + + x86bios_init_regs(®s); + regs.R_AX = 0x4f09; + /* regs.R_BL = 0; */ + regs.R_CX = colors; + regs.R_DX = start; + + regs.R_ES = X86BIOS_PHYSTOSEG(offs); + regs.R_DI = X86BIOS_PHYSTOOFF(offs); + + bits = 8 - bits; + for (i = 0; i < colors; ++i) { + p[i * 4] = palette[i * 3 + 2] >> bits; + p[i * 4 + 1] = palette[i * 3 + 1] >> bits; + p[i * 4 + 2] = palette[i * 3] >> bits; + p[i * 4 + 3] = 0; + } + x86bios_intr(®s, 0x10); + x86bios_free(p, colors * 4); + + return (regs.R_AX != 0x004f); +} + +static int +vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, + int bits) +{ + x86regs_t regs; + uint32_t offs; + u_char *p; + int i; + + p = (u_char *)x86bios_alloc(&offs, colors * 4); + if (p == NULL) + return (1); + + x86bios_init_regs(®s); + regs.R_AX = 0x4f09; + /* regs.R_BL = 0; */ + regs.R_CX = colors; + regs.R_DX = start; + + regs.R_ES = X86BIOS_PHYSTOSEG(offs); + regs.R_DI = X86BIOS_PHYSTOOFF(offs); + + bits = 8 - bits; + for (i = 0; i < colors; ++i) { + p[i * 4] = b[i] >> bits; + p[i * 4 + 1] = g[i] >> bits; + p[i * 4 + 2] = r[i] >> bits; + p[i * 4 + 3] = 0; + } + x86bios_intr(®s, 0x10); + x86bios_free(p, colors * 4); + + return (regs.R_AX != 0x004f); +} + +static ssize_t +vesa_bios_state_buf_size(void) +{ + x86regs_t regs; + + x86bios_init_regs(®s); + regs.R_AX = 0x4f04; + /* regs.R_DL = STATE_SIZE; */ + regs.R_CX = STATE_ALL; + + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) + return (0); + + return (regs.R_BX * 64); +} + +static int +vesa_bios_save_restore(int code, void *p, size_t size) +{ + x86regs_t regs; + uint32_t offs; + void *buf; + + if (code != STATE_SAVE && code != STATE_LOAD) + return (1); + + buf = x86bios_alloc(&offs, size); + + x86bios_init_regs(®s); + regs.R_AX = 0x4f04; + regs.R_DL = code; + regs.R_CX = STATE_ALL; + + regs.R_ES = X86BIOS_PHYSTOSEG(offs); + regs.R_BX = X86BIOS_PHYSTOOFF(offs); + + switch (code) { + case STATE_SAVE: + x86bios_intr(®s, 0x10); + bcopy(buf, p, size); + break; + case STATE_LOAD: + bcopy(p, buf, size); + x86bios_intr(®s, 0x10); + break; + } + x86bios_free(buf, size); + + return (regs.R_AX != 0x004f); +} + +#if 0 +static int +vesa_bios_get_line_length(void) +{ + x86regs_t regs; + + x86bios_init_regs(®s); + regs.R_AX = 0x4f06; + regs.R_BL = 1; + + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) + return (-1); + + return (regs.R_BX); +} +#endif + +static int +vesa_bios_set_line_length(int pixel, int *bytes, int *lines) +{ + x86regs_t regs; + + x86bios_init_regs(®s); + regs.R_AX = 0x4f06; + /* regs.R_BL = 0; */ + regs.R_CX = pixel; + + x86bios_intr(®s, 0x10); + +#if VESA_DEBUG > 1 + printf("bx:%d, cx:%d, dx:%d\n", regs.R_BX, regs.R_CX, regs.R_DX); +#endif + if (regs.R_AX != 0x004f) + return (-1); + + if (bytes != NULL) + *bytes = regs.R_BX; + if (lines != NULL) + *lines = regs.R_DX; + + return (0); +} + +#if 0 +static int +vesa_bios_get_start(int *x, int *y) +{ + x86regs_t regs; + + x86bios_init_regs(®s); + regs.R_AX = 0x4f07; + regs.R_BL = 1; + + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) + return (-1); + + *x = regs.R_CX; + *y = regs.R_DX; + + return (0); +} +#endif + +static int +vesa_bios_set_start(int x, int y) +{ + x86regs_t regs; + + x86bios_init_regs(®s); + regs.R_AX = 0x4f07; + regs.R_BL = 0x80; + regs.R_CX = x; + regs.R_DX = y; + + x86bios_intr(®s, 0x10); + + return (regs.R_AX != 0x004f); +} + +/* map a generic video mode to a known mode */ +static int +vesa_map_gen_mode_num(int type, int color, int mode) +{ + static struct { + int from; + int to; + } mode_map[] = { + { M_TEXT_132x25, M_VESA_C132x25 }, + { M_TEXT_132x43, M_VESA_C132x43 }, + { M_TEXT_132x50, M_VESA_C132x50 }, + { M_TEXT_132x60, M_VESA_C132x60 }, + }; + 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); +} + +static int +vesa_translate_flags(u_int16_t vflags) +{ + static struct { + u_int16_t mask; + int set; + int reset; + } ftable[] = { + { V_MODECOLOR, V_INFO_COLOR, 0 }, + { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, + { V_MODELFB, V_INFO_LINEAR, 0 }, + { V_MODENONVGA, V_INFO_NONVGA, 0 }, + }; + int flags; + int i; + + for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { + flags |= (vflags & ftable[i].mask) ? + ftable[i].set : ftable[i].reset; + } + return (flags); +} + +static int +vesa_translate_mmodel(u_int8_t vmodel) +{ + static struct { + u_int8_t vmodel; + int mmodel; + } mtable[] = { + { V_MMTEXT, V_INFO_MM_TEXT }, + { V_MMCGA, V_INFO_MM_CGA }, + { V_MMHGC, V_INFO_MM_HGC }, + { V_MMEGA, V_INFO_MM_PLANAR }, + { V_MMPACKED, V_INFO_MM_PACKED }, + { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, + }; + int i; + + for (i = 0; mtable[i].mmodel >= 0; ++i) { + if (mtable[i].vmodel == vmodel) + return (mtable[i].mmodel); + } + return (V_INFO_MM_OTHER); +} + +#define VESA_MAXSTR 256 + +#define VESA_STRCPY(dst, src) do { \ + char *str; \ + int i; \ + dst = malloc(VESA_MAXSTR, M_DEVBUF, M_WAITOK); \ + str = x86bios_offset(BIOS_SADDRTOLADDR(src)); \ + for (i = 0; i < VESA_MAXSTR - 1 && str[i] != '\0'; i++) \ + dst[i] = str[i]; \ + dst[i] = '\0'; \ +} while (0) + +static int +vesa_bios_init(void) +{ + static struct vesa_info buf; + struct vesa_mode vmode; + video_info_t *p; + x86regs_t regs; + size_t bsize; + size_t msize; + void *vmbuf; + uint32_t offs; + uint16_t vers; + int bpsl; + int is_via_cle266; + int modes; + int i; + + if (vesa_init_done) + return (0); + + has_vesa_bios = FALSE; + vesa_adp_info = NULL; + vesa_vmode_max = 0; + vesa_vmode[0].vi_mode = EOT; + + /* + * If the VBE real mode interrupt vector is not found, try BIOS POST. + */ + if (x86bios_get_intr(0x10) == 0) { + if (vesa_bios_post() != 0) + return (1); + if (bootverbose) { + offs = x86bios_get_intr(0x10); + printf("VESA: interrupt vector installed (0x%x)\n", + BIOS_SADDRTOLADDR(offs)); + } + } + + x86bios_init_regs(®s); + regs.R_AX = 0x4f00; + + vmbuf = x86bios_alloc(&offs, sizeof(buf)); + if (vmbuf == NULL) + return (1); + + regs.R_ES = X86BIOS_PHYSTOSEG(offs); + regs.R_DI = X86BIOS_PHYSTOOFF(offs); + + bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f || bcmp("VESA", vmbuf, 4) != 0) + goto fail; + + bcopy(vmbuf, &buf, sizeof(buf)); + + vesa_adp_info = &buf; + if (bootverbose) { + printf("VESA: information block\n"); + hexdump(&buf, sizeof(buf), NULL, HD_OMIT_CHARS); + } + + vers = buf.v_version = le16toh(buf.v_version); + buf.v_oemstr = le32toh(buf.v_oemstr); + buf.v_flags = le32toh(buf.v_flags); + buf.v_modetable = le32toh(buf.v_modetable); + buf.v_memsize = le16toh(buf.v_memsize); + buf.v_revision = le16toh(buf.v_revision); + buf.v_venderstr = le32toh(buf.v_venderstr); + buf.v_prodstr = le32toh(buf.v_prodstr); + buf.v_revstr = le32toh(buf.v_revstr); + + if (vers < 0x0102) { + printf("VESA: VBE version %d.%d is not supported; " + "version 1.2 or later is required.\n", + ((vers & 0xf000) >> 12) * 10 + ((vers & 0x0f00) >> 8), + ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f)); + return (1); + } + + VESA_STRCPY(vesa_oemstr, buf.v_oemstr); + if (vers >= 0x0200) { + VESA_STRCPY(vesa_venderstr, buf.v_venderstr); + VESA_STRCPY(vesa_prodstr, buf.v_prodstr); + VESA_STRCPY(vesa_revstr, buf.v_revstr); + } + is_via_cle266 = strncmp(vesa_oemstr, VESA_VIA_CLE266, + sizeof(VESA_VIA_CLE266)) == 0; + + if (buf.v_modetable == 0) + goto fail; + + msize = (size_t)buf.v_memsize * 64 * 1024; + + vesa_vmodetab = x86bios_offset(BIOS_SADDRTOLADDR(buf.v_modetable)); + + for (i = 0, modes = 0; (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) && + (vesa_vmodetab[i] != 0xffff); ++i) { + vesa_vmodetab[i] = le16toh(vesa_vmodetab[i]); + if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) + continue; + + vmode.v_modeattr = le16toh(vmode.v_modeattr); + vmode.v_wgran = le16toh(vmode.v_wgran); + vmode.v_wsize = le16toh(vmode.v_wsize); + vmode.v_waseg = le16toh(vmode.v_waseg); + vmode.v_wbseg = le16toh(vmode.v_wbseg); + vmode.v_posfunc = le32toh(vmode.v_posfunc); + vmode.v_bpscanline = le16toh(vmode.v_bpscanline); + vmode.v_width = le16toh(vmode.v_width); + vmode.v_height = le16toh(vmode.v_height); + vmode.v_lfb = le32toh(vmode.v_lfb); + vmode.v_offscreen = le32toh(vmode.v_offscreen); + vmode.v_offscreensize = le16toh(vmode.v_offscreensize); + vmode.v_linbpscanline = le16toh(vmode.v_linbpscanline); + vmode.v_maxpixelclock = le32toh(vmode.v_maxpixelclock); + + /* reject unsupported modes */ +#if 0 + if ((vmode.v_modeattr & + (V_MODESUPP | V_MODEOPTINFO | V_MODENONVGA)) != + (V_MODESUPP | V_MODEOPTINFO)) + continue; +#else + if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { +#if VESA_DEBUG > 1 + printf("Rejecting VESA %s mode: %d x %d x %d bpp " + " attr = %x\n", + vmode.v_modeattr & V_MODEGRAPHICS ? + "graphics" : "text", + vmode.v_width, vmode.v_height, vmode.v_bpp, + vmode.v_modeattr); +#endif + continue; + } +#endif + + bpsl = (vmode.v_modeattr & V_MODELFB) != 0 && vers >= 0x0300 ? + vmode.v_linbpscanline : vmode.v_bpscanline; + bsize = bpsl * vmode.v_height; + if ((vmode.v_modeattr & V_MODEGRAPHICS) != 0) + bsize *= vmode.v_planes; + + /* Does it have enough memory to support this mode? */ + if (msize < bsize) { +#if VESA_DEBUG > 1 + printf("Rejecting VESA %s mode: %d x %d x %d bpp " + " attr = %x, not enough memory\n", + vmode.v_modeattr & V_MODEGRAPHICS ? + "graphics" : "text", + vmode.v_width, vmode.v_height, vmode.v_bpp, + vmode.v_modeattr); +#endif + continue; + } + + /* expand the array if necessary */ + if (modes >= vesa_vmode_max) { + vesa_vmode_max += MODE_TABLE_DELTA; + p = malloc(sizeof(*vesa_vmode) * (vesa_vmode_max + 1), + M_DEVBUF, M_WAITOK); +#if VESA_DEBUG > 1 + printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", + modes, vesa_vmode_max); +#endif + if (modes > 0) { + bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); + free(vesa_vmode, M_DEVBUF); + } + vesa_vmode = p; + } + +#if VESA_DEBUG > 1 + printf("Found VESA %s mode: %d x %d x %d bpp\n", + vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", + vmode.v_width, vmode.v_height, vmode.v_bpp); +#endif + if (is_via_cle266) { + if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) { + vmode.v_width &= 0xff; + vmode.v_waseg = 0xb8000 >> 4; + } + } + + /* copy some fields */ + bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); + vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; + vesa_vmode[modes].vi_width = vmode.v_width; + vesa_vmode[modes].vi_height = vmode.v_height; + vesa_vmode[modes].vi_depth = vmode.v_bpp; + vesa_vmode[modes].vi_planes = vmode.v_planes; + vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; + vesa_vmode[modes].vi_cheight = vmode.v_cheight; + vesa_vmode[modes].vi_window = (vm_offset_t)vmode.v_waseg << 4; + /* XXX window B */ + vesa_vmode[modes].vi_window_size = vmode.v_wsize * 1024; + vesa_vmode[modes].vi_window_gran = vmode.v_wgran * 1024; + if (vmode.v_modeattr & V_MODELFB) + vesa_vmode[modes].vi_buffer = vmode.v_lfb; + vesa_vmode[modes].vi_buffer_size = bsize; + vesa_vmode[modes].vi_mem_model = + vesa_translate_mmodel(vmode.v_memmodel); + switch (vesa_vmode[modes].vi_mem_model) { + case V_INFO_MM_DIRECT: + if ((vmode.v_modeattr & V_MODELFB) != 0 && + vers >= 0x0300) { + vesa_vmode[modes].vi_pixel_fields[0] = + vmode.v_linredfieldpos; + vesa_vmode[modes].vi_pixel_fields[1] = + vmode.v_lingreenfieldpos; + vesa_vmode[modes].vi_pixel_fields[2] = + vmode.v_linbluefieldpos; + vesa_vmode[modes].vi_pixel_fields[3] = + vmode.v_linresfieldpos; + vesa_vmode[modes].vi_pixel_fsizes[0] = + vmode.v_linredmasksize; + vesa_vmode[modes].vi_pixel_fsizes[1] = + vmode.v_lingreenmasksize; + vesa_vmode[modes].vi_pixel_fsizes[2] = + vmode.v_linbluemasksize; + vesa_vmode[modes].vi_pixel_fsizes[3] = + vmode.v_linresmasksize; + } else { + vesa_vmode[modes].vi_pixel_fields[0] = + vmode.v_redfieldpos; + vesa_vmode[modes].vi_pixel_fields[1] = + vmode.v_greenfieldpos; + vesa_vmode[modes].vi_pixel_fields[2] = + vmode.v_bluefieldpos; + vesa_vmode[modes].vi_pixel_fields[3] = + vmode.v_resfieldpos; + vesa_vmode[modes].vi_pixel_fsizes[0] = + vmode.v_redmasksize; + vesa_vmode[modes].vi_pixel_fsizes[1] = + vmode.v_greenmasksize; + vesa_vmode[modes].vi_pixel_fsizes[2] = + vmode.v_bluemasksize; + vesa_vmode[modes].vi_pixel_fsizes[3] = + vmode.v_resmasksize; + } + /* FALLTHROUGH */ + case V_INFO_MM_PACKED: + vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7) / 8; + break; + } + vesa_vmode[modes].vi_flags = + vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; + + ++modes; + } + vesa_vmode[modes].vi_mode = EOT; + + if (bootverbose) + printf("VESA: %d mode(s) found\n", modes); + + has_vesa_bios = (modes > 0); + if (!has_vesa_bios) + goto fail; + + x86bios_free(vmbuf, sizeof(buf)); + return (0); + +fail: + if (vmbuf != NULL) + x86bios_free(vmbuf, sizeof(buf)); + if (vesa_oemstr != NULL) { + free(vesa_oemstr, M_DEVBUF); + vesa_oemstr = NULL; + } + if (vesa_venderstr != NULL) { + free(vesa_venderstr, M_DEVBUF); + vesa_venderstr = NULL; + } + if (vesa_prodstr != NULL) { + free(vesa_prodstr, M_DEVBUF); + vesa_prodstr = NULL; + } + if (vesa_revstr != NULL) { + free(vesa_revstr, M_DEVBUF); + vesa_revstr = NULL; + } + return (1); +} + +static void +vesa_clear_modes(video_info_t *info, int color) +{ + while (info->vi_mode != EOT) { + if ((info->vi_flags & V_INFO_COLOR) != color) + info->vi_mode = NA; + ++info; + } +} + +/* entry points */ + +static int +vesa_configure(int flags) +{ + video_adapter_t *adp; + int adapters; + int error; + int i; + + if (vesa_init_done) + return (0); + if (flags & VIO_PROBE_ONLY) + return (0); + + /* + * If the VESA module has already been loaded, abort loading + * the module this time. + */ + for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { + if (adp->va_flags & V_ADP_VESA) + return (ENXIO); + if (adp->va_type == KD_VGA) + break; + } + + /* + * The VGA adapter is not found. This is because either + * 1) the VGA driver has not been initialized, or 2) the VGA card + * is not present. If 1) is the case, we shall defer + * initialization for now and try again later. + */ + if (adp == NULL) { + vga_sub_configure = vesa_configure; + return (ENODEV); + } + + /* count number of registered adapters */ + for (++i; vid_get_adapter(i) != NULL; ++i) + ; + adapters = i; + + /* call VESA BIOS */ + vesa_adp = adp; + if (vesa_bios_init()) { + vesa_adp = NULL; + return (ENXIO); + } + vesa_adp->va_flags |= V_ADP_VESA; + + /* remove conflicting modes if we have more than one adapter */ + if (adapters > 1) { + vesa_clear_modes(vesa_vmode, + (vesa_adp->va_flags & V_ADP_COLOR) ? + V_INFO_COLOR : 0); + } + + if ((error = vesa_load_ioctl()) == 0) { + prevvidsw = vidsw[vesa_adp->va_index]; + vidsw[vesa_adp->va_index] = &vesavidsw; + vesa_init_done = TRUE; + } else { + vesa_adp = NULL; + return (error); + } + + return (0); +} + +#if 0 +static int +vesa_nop(void) +{ + + return (0); +} +#endif + +static int +vesa_error(void) +{ + + return (1); +} + +static int +vesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) +{ + + return ((*prevvidsw->probe)(unit, adpp, arg, flags)); +} + +static int +vesa_init(int unit, video_adapter_t *adp, int flags) +{ + + return ((*prevvidsw->init)(unit, adp, flags)); +} + +static int +vesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) +{ + int i; + + if ((*prevvidsw->get_info)(adp, mode, info) == 0) + return (0); + + if (adp != vesa_adp) + return (1); + + mode = vesa_map_gen_mode_num(vesa_adp->va_type, + vesa_adp->va_flags & V_ADP_COLOR, mode); + for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { + if (vesa_vmode[i].vi_mode == NA) + continue; + if (vesa_vmode[i].vi_mode == mode) { + *info = vesa_vmode[i]; + return (0); + } + } + return (1); +} + +static int +vesa_query_mode(video_adapter_t *adp, video_info_t *info) +{ + int i; + + if ((*prevvidsw->query_mode)(adp, info) == 0) + return (0); + if (adp != vesa_adp) + return (ENODEV); + + for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { + if ((info->vi_width != 0) + && (info->vi_width != vesa_vmode[i].vi_width)) + continue; + if ((info->vi_height != 0) + && (info->vi_height != vesa_vmode[i].vi_height)) + continue; + if ((info->vi_cwidth != 0) + && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) + continue; + if ((info->vi_cheight != 0) + && (info->vi_cheight != vesa_vmode[i].vi_cheight)) + continue; + if ((info->vi_depth != 0) + && (info->vi_depth != vesa_vmode[i].vi_depth)) + continue; + if ((info->vi_planes != 0) + && (info->vi_planes != vesa_vmode[i].vi_planes)) + continue; + /* pixel format, memory model */ + if ((info->vi_flags != 0) + && (info->vi_flags != vesa_vmode[i].vi_flags)) + continue; + *info = vesa_vmode[i]; + return (0); + } + return (ENODEV); +} + +static int +vesa_set_mode(video_adapter_t *adp, int mode) +{ + video_info_t info; + + if (adp != vesa_adp) + return ((*prevvidsw->set_mode)(adp, mode)); + + mode = vesa_map_gen_mode_num(adp->va_type, + adp->va_flags & V_ADP_COLOR, mode); +#if VESA_DEBUG > 0 + printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", + adp->va_mode, adp->va_mode, mode, mode); +#endif + /* + * If the current mode is a VESA mode and the new mode is not, + * restore the state of the adapter first by setting one of the + * standard VGA mode, so that non-standard, extended SVGA registers + * are set to the state compatible with the standard VGA modes. + * Otherwise (*prevvidsw->set_mode)() may not be able to set up + * the new mode correctly. + */ + if (VESA_MODE(adp->va_mode)) { + if (!VESA_MODE(mode) && + (*prevvidsw->get_info)(adp, mode, &info) == 0) { + if ((adp->va_flags & V_ADP_DAC8) != 0) { + vesa_bios_set_dac(6); + adp->va_flags &= ~V_ADP_DAC8; + } + int10_set_mode(adp->va_initial_bios_mode); + if (adp->va_info.vi_flags & V_INFO_LINEAR) + pmap_unmapdev(adp->va_buffer, + adp->va_buffer_size); + /* + * Once (*prevvidsw->get_info)() succeeded, + * (*prevvidsw->set_mode)() below won't fail... + */ + } + } + + /* we may not need to handle this mode after all... */ + if (!VESA_MODE(mode) && (*prevvidsw->set_mode)(adp, mode) == 0) + return (0); + + /* is the new mode supported? */ + if (vesa_get_info(adp, mode, &info)) + return (1); + /* assert(VESA_MODE(mode)); */ + +#if VESA_DEBUG > 0 + printf("VESA: about to set a VESA mode...\n"); +#endif + /* don't use the linear frame buffer for text modes. XXX */ + if (!(info.vi_flags & V_INFO_GRAPHICS)) + info.vi_flags &= ~V_INFO_LINEAR; + + if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0))) + return (1); + + /* Palette format is reset by the above VBE function call. */ + adp->va_flags &= ~V_ADP_DAC8; + + if ((vesa_adp_info->v_flags & V_DAC8) != 0 && + (info.vi_flags & V_INFO_GRAPHICS) != 0 && + (info.vi_flags & V_INFO_NONVGA) != 0 && + vesa_bios_set_dac(8) > 6) + adp->va_flags |= V_ADP_DAC8; + + if (adp->va_info.vi_flags & V_INFO_LINEAR) + pmap_unmapdev(adp->va_buffer, adp->va_buffer_size); + +#if VESA_DEBUG > 0 + printf("VESA: mode set!\n"); +#endif + vesa_adp->va_mode = mode; + vesa_adp->va_flags &= ~V_ADP_COLOR; + vesa_adp->va_flags |= + (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; + vesa_adp->va_crtc_addr = + (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; + if (info.vi_flags & V_INFO_LINEAR) { +#if VESA_DEBUG > 1 + printf("VESA: setting up LFB\n"); +#endif + vesa_adp->va_buffer = + (vm_offset_t)pmap_mapdev_attr(info.vi_buffer, + info.vi_buffer_size, PAT_WRITE_COMBINING); + vesa_adp->va_window = vesa_adp->va_buffer; + vesa_adp->va_window_size = info.vi_buffer_size / info.vi_planes; + vesa_adp->va_window_gran = info.vi_buffer_size / info.vi_planes; + } else { + vesa_adp->va_buffer = 0; + vesa_adp->va_window = (vm_offset_t)x86bios_offset(info.vi_window); + vesa_adp->va_window_size = info.vi_window_size; + vesa_adp->va_window_gran = info.vi_window_gran; + } + vesa_adp->va_buffer_size = info.vi_buffer_size; + vesa_adp->va_window_orig = 0; + vesa_adp->va_line_width = info.vi_buffer_size / info.vi_height; + if ((info.vi_flags & V_INFO_GRAPHICS) != 0) + vesa_adp->va_line_width /= info.vi_planes; + vesa_adp->va_disp_start.x = 0; + vesa_adp->va_disp_start.y = 0; +#if VESA_DEBUG > 0 + printf("vesa_set_mode(): vi_width:%d, line_width:%d\n", + info.vi_width, vesa_adp->va_line_width); +#endif + bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); + + /* move hardware cursor out of the way */ + (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); + + return (0); +} + +static int +vesa_save_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, + u_char *data, int ch, int count) +{ + + return ((*prevvidsw->save_font)(adp, page, fontsize, fontwidth, data, + ch, count)); +} + +static int +vesa_load_font(video_adapter_t *adp, int page, int fontsize, int fontwidth, + u_char *data, int ch, int count) +{ + + return ((*prevvidsw->load_font)(adp, page, fontsize, fontwidth, data, + ch, count)); +} + +static int +vesa_show_font(video_adapter_t *adp, int page) +{ + + return ((*prevvidsw->show_font)(adp, page)); +} + +static int +vesa_save_palette(video_adapter_t *adp, u_char *palette) +{ + int bits; + + if (adp == vesa_adp && VESA_MODE(adp->va_mode) && + (adp->va_info.vi_flags & V_INFO_NONVGA) != 0) { + bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; + return (vesa_bios_save_palette(0, 256, palette, bits)); + } + + return ((*prevvidsw->save_palette)(adp, palette)); +} + +static int +vesa_load_palette(video_adapter_t *adp, u_char *palette) +{ + int bits; + + if (adp == vesa_adp && VESA_MODE(adp->va_mode) && + (adp->va_info.vi_flags & V_INFO_NONVGA) != 0) { + bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; + return (vesa_bios_load_palette(0, 256, palette, bits)); + } + + return ((*prevvidsw->load_palette)(adp, palette)); +} + +static int +vesa_set_border(video_adapter_t *adp, int color) +{ + + return ((*prevvidsw->set_border)(adp, color)); +} + +static int +vesa_save_state(video_adapter_t *adp, void *p, size_t size) +{ + + if (adp != vesa_adp) + return ((*prevvidsw->save_state)(adp, p, size)); + + if (vesa_state_buf_size == -1) { + vesa_state_buf_size = vesa_bios_state_buf_size(); + if (vesa_state_buf_size == 0) + return (1); + } + if (size == 0) + return (offsetof(adp_state_t, regs) + vesa_state_buf_size); + else if (size < (offsetof(adp_state_t, regs) + vesa_state_buf_size)) + return (1); + + ((adp_state_t *)p)->sig = V_STATE_SIG; + bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); + return (vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs, + vesa_state_buf_size)); +} + +static int +vesa_load_state(video_adapter_t *adp, void *p) +{ + + if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) + return ((*prevvidsw->load_state)(adp, p)); + + if (vesa_state_buf_size <= 0) + return (1); + + /* Try BIOS POST to restore a sane state. */ + (void)vesa_bios_post(); + (void)int10_set_mode(adp->va_initial_bios_mode); + + return (vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs, + vesa_state_buf_size)); +} + +#if 0 +static int +vesa_get_origin(video_adapter_t *adp, off_t *offset) +{ + x86regs_t regs; + + x86bios_init_regs(®s); + regs.R_AX = 0x4f05; + regs.R_BL = 0x10; + + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) + return (1); + *offset = regs.DX * adp->va_window_gran; + + return (0); +} +#endif + +static int +vesa_set_origin(video_adapter_t *adp, off_t offset) +{ + x86regs_t regs; + + /* + * This function should return as quickly as possible to + * maintain good performance of the system. For this reason, + * error checking is kept minimal and let the VESA BIOS to + * detect error. + */ + if (adp != vesa_adp) + return ((*prevvidsw->set_win_org)(adp, offset)); + + /* if this is a linear frame buffer, do nothing */ + if (adp->va_info.vi_flags & V_INFO_LINEAR) + return (0); + /* XXX */ + if (adp->va_window_gran == 0) + return (1); + + x86bios_init_regs(®s); + regs.R_AX = 0x4f05; + regs.R_DX = offset / adp->va_window_gran; + + x86bios_intr(®s, 0x10); + + if (regs.R_AX != 0x004f) + return (1); + + x86bios_init_regs(®s); + regs.R_AX = 0x4f05; + regs.R_BL = 1; + regs.R_DX = offset / adp->va_window_gran; + x86bios_intr(®s, 0x10); + + adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; + return (0); /* XXX */ +} + +static int +vesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) +{ + + return ((*prevvidsw->read_hw_cursor)(adp, col, row)); +} + +static int +vesa_set_hw_cursor(video_adapter_t *adp, int col, int row) +{ + + return ((*prevvidsw->set_hw_cursor)(adp, col, row)); +} + +static int +vesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, + int celsize, int blink) +{ + + return ((*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, + blink)); +} + +static int +vesa_blank_display(video_adapter_t *adp, int mode) +{ + + /* XXX: use VESA DPMS */ + return ((*prevvidsw->blank_display)(adp, mode)); +} + +static int +vesa_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr, + int prot) +{ + +#if VESA_DEBUG > 0 + printf("vesa_mmap(): window:0x%tx, buffer:0x%tx, offset:0x%tx\n", + adp->va_info.vi_window, adp->va_info.vi_buffer, offset); +#endif + + if ((adp == vesa_adp) && + (adp->va_info.vi_flags & V_INFO_LINEAR) != 0) { + /* va_window_size == va_buffer_size/vi_planes */ + /* XXX: is this correct? */ + if (offset > adp->va_window_size - PAGE_SIZE) + return (-1); + *paddr = adp->va_info.vi_buffer + offset; + return (0); + } + return ((*prevvidsw->mmap)(adp, offset, paddr, prot)); +} + +static int +vesa_clear(video_adapter_t *adp) +{ + + return ((*prevvidsw->clear)(adp)); +} + +static int +vesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) +{ + + return ((*prevvidsw->fill_rect)(adp, val, x, y, cx, cy)); +} + +static int +vesa_bitblt(video_adapter_t *adp,...) +{ + + /* FIXME */ + return (1); +} + +static int +get_palette(video_adapter_t *adp, int base, int count, + u_char *red, u_char *green, u_char *blue, u_char *trans) +{ + u_char *r; + u_char *g; + u_char *b; + int bits; + int error; + + if (base < 0 || base >= 256 || count < 0 || count > 256) + return (1); + if ((base + count) > 256) + return (1); + if (!VESA_MODE(adp->va_mode)) + return (1); + if ((adp->va_info.vi_flags & V_INFO_NONVGA) == 0) + return (1); + + bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; + r = malloc(count * 3, M_DEVBUF, M_WAITOK); + g = r + count; + b = g + count; + error = vesa_bios_save_palette2(base, count, r, g, b, bits); + if (error == 0) { + copyout(r, red, count); + copyout(g, green, count); + copyout(b, blue, count); + if (trans != NULL) { + bzero(r, count); + copyout(r, trans, count); + } + } + free(r, M_DEVBUF); + + return (error); +} + +static int +set_palette(video_adapter_t *adp, int base, int count, + u_char *red, u_char *green, u_char *blue, u_char *trans) +{ + u_char *r; + u_char *g; + u_char *b; + int bits; + int error; + + if (base < 0 || base >= 256 || count < 0 || count > 256) + return (1); + if ((base + count) > 256) + return (1); + if (!VESA_MODE(adp->va_mode)) + return (1); + if ((adp->va_info.vi_flags & V_INFO_NONVGA) == 0) + return (1); + + bits = (adp->va_flags & V_ADP_DAC8) != 0 ? 8 : 6; + r = malloc(count * 3, M_DEVBUF, M_WAITOK); + g = r + count; + b = g + count; + copyin(red, r, count); + copyin(green, g, count); + copyin(blue, b, count); + + error = vesa_bios_load_palette2(base, count, r, g, b, bits); + free(r, M_DEVBUF); + + return (error); +} + +static int +vesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) +{ + int bytes; + + if (adp != vesa_adp) + return ((*prevvidsw->ioctl)(adp, cmd, arg)); + + switch (cmd) { + case FBIO_SETWINORG: /* set frame buffer window origin */ + if (!VESA_MODE(adp->va_mode)) + return (*prevvidsw->ioctl)(adp, cmd, arg); + return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); + + case FBIO_SETDISPSTART: /* set display start address */ + if (!VESA_MODE(adp->va_mode)) + return ((*prevvidsw->ioctl)(adp, cmd, arg)); + if (vesa_bios_set_start(((video_display_start_t *)arg)->x, + ((video_display_start_t *)arg)->y)) + return (ENODEV); + adp->va_disp_start.x = ((video_display_start_t *)arg)->x; + adp->va_disp_start.y = ((video_display_start_t *)arg)->y; + return (0); + + case FBIO_SETLINEWIDTH: /* set line length in pixel */ + if (!VESA_MODE(adp->va_mode)) + return ((*prevvidsw->ioctl)(adp, cmd, arg)); + if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) + return (ENODEV); + adp->va_line_width = bytes; +#if VESA_DEBUG > 1 + printf("new line width:%d\n", adp->va_line_width); +#endif + return (0); + + case FBIO_GETPALETTE: /* get color palette */ + if (get_palette(adp, ((video_color_palette_t *)arg)->index, + ((video_color_palette_t *)arg)->count, + ((video_color_palette_t *)arg)->red, + ((video_color_palette_t *)arg)->green, + ((video_color_palette_t *)arg)->blue, + ((video_color_palette_t *)arg)->transparent)) + return ((*prevvidsw->ioctl)(adp, cmd, arg)); + return (0); + + + case FBIO_SETPALETTE: /* set color palette */ + if (set_palette(adp, ((video_color_palette_t *)arg)->index, + ((video_color_palette_t *)arg)->count, + ((video_color_palette_t *)arg)->red, + ((video_color_palette_t *)arg)->green, + ((video_color_palette_t *)arg)->blue, + ((video_color_palette_t *)arg)->transparent)) + return ((*prevvidsw->ioctl)(adp, cmd, arg)); + return (0); + + case FBIOGETCMAP: /* get color palette */ + if (get_palette(adp, ((struct fbcmap *)arg)->index, + ((struct fbcmap *)arg)->count, + ((struct fbcmap *)arg)->red, + ((struct fbcmap *)arg)->green, + ((struct fbcmap *)arg)->blue, NULL)) + return ((*prevvidsw->ioctl)(adp, cmd, arg)); + return (0); + + case FBIOPUTCMAP: /* set color palette */ + if (set_palette(adp, ((struct fbcmap *)arg)->index, + ((struct fbcmap *)arg)->count, + ((struct fbcmap *)arg)->red, + ((struct fbcmap *)arg)->green, + ((struct fbcmap *)arg)->blue, NULL)) + return ((*prevvidsw->ioctl)(adp, cmd, arg)); + return (0); + + default: + return ((*prevvidsw->ioctl)(adp, cmd, arg)); + } +} + +static int +vesa_diag(video_adapter_t *adp, int level) +{ + int error; + + /* call the previous handler first */ + error = (*prevvidsw->diag)(adp, level); + if (error) + return (error); + + if (adp != vesa_adp) + return (1); + + if (level <= 0) + return (0); + + return (0); +} + +static int +vesa_bios_info(int level) +{ +#if VESA_DEBUG > 1 + struct vesa_mode vmode; + int i; +#endif + uint16_t vers; + + vers = vesa_adp_info->v_version; + + if (bootverbose) { + /* general adapter information */ + printf( + "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", + (vers >> 12) * 10 + ((vers & 0x0f00) >> 8), + ((vers & 0x00f0) >> 4) * 10 + (vers & 0x000f), + vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, + vesa_vmodetab, vesa_adp_info->v_modetable); + + /* OEM string */ + if (vesa_oemstr != NULL) + printf("VESA: %s\n", vesa_oemstr); + } + + if (level <= 0) + return (0); + + if (vers >= 0x0200 && bootverbose) { + /* vender name, product name, product revision */ + printf("VESA: %s %s %s\n", + (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", + (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", + (vesa_revstr != NULL) ? vesa_revstr : "?"); + } + +#if VESA_DEBUG > 1 + /* mode information */ + for (i = 0; + (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) + && (vesa_vmodetab[i] != 0xffff); ++i) { + if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) + continue; + + /* print something for diagnostic purpose */ + printf("VESA: mode:0x%03x, flags:0x%04x", + vesa_vmodetab[i], vmode.v_modeattr); + if (vmode.v_modeattr & V_MODEOPTINFO) { + if (vmode.v_modeattr & V_MODEGRAPHICS) { + printf(", G %dx%dx%d %d, ", + vmode.v_width, vmode.v_height, + vmode.v_bpp, vmode.v_planes); + } else { + printf(", T %dx%d, ", + vmode.v_width, vmode.v_height); + } + printf("font:%dx%d, ", + vmode.v_cwidth, vmode.v_cheight); + printf("pages:%d, mem:%d", + vmode.v_ipages + 1, vmode.v_memmodel); + } + if (vmode.v_modeattr & V_MODELFB) { + printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", + vmode.v_lfb, vmode.v_offscreen, + vmode.v_offscreensize*1024); + } + printf("\n"); + printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", + vmode.v_waseg, vmode.v_waattr, + vmode.v_wbseg, vmode.v_wbattr); + printf("size:%dk, gran:%dk\n", + vmode.v_wsize, vmode.v_wgran); + } +#endif /* VESA_DEBUG > 1 */ + + return (0); +} + +/* module loading */ + +static int +vesa_load(void) +{ + int error; + int s; + + if (vesa_init_done) + return (0); + + /* locate a VGA adapter */ + s = spltty(); + vesa_adp = NULL; + error = vesa_configure(0); + splx(s); + + if (error == 0) + vesa_bios_info(bootverbose); + + return (error); +} + +static int +vesa_unload(void) +{ + u_char palette[256*3]; + int error; + int s; + + /* if the adapter is currently in a VESA mode, don't unload */ + if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) + return (EBUSY); + /* + * FIXME: if there is at least one vty which is in a VESA mode, + * we shouldn't be unloading! XXX + */ + + s = spltty(); + if ((error = vesa_unload_ioctl()) == 0) { + if (vesa_adp != NULL) { + if ((vesa_adp->va_flags & V_ADP_DAC8) != 0) { + vesa_bios_save_palette(0, 256, palette, 8); + vesa_bios_set_dac(6); + vesa_adp->va_flags &= ~V_ADP_DAC8; + vesa_bios_load_palette(0, 256, palette, 6); + } + vesa_adp->va_flags &= ~V_ADP_VESA; + vidsw[vesa_adp->va_index] = prevvidsw; + } + } + splx(s); + + if (vesa_oemstr != NULL) + free(vesa_oemstr, M_DEVBUF); + if (vesa_venderstr != NULL) + free(vesa_venderstr, M_DEVBUF); + if (vesa_prodstr != NULL) + free(vesa_prodstr, M_DEVBUF); + if (vesa_revstr != NULL) + free(vesa_revstr, M_DEVBUF); + if (vesa_vmode != &vesa_vmode_empty) + free(vesa_vmode, M_DEVBUF); + return (error); +} + +static int +vesa_mod_event(module_t mod, int type, void *data) +{ + + switch (type) { + case MOD_LOAD: + return (vesa_load()); + case MOD_UNLOAD: + return (vesa_unload()); + } + return (EOPNOTSUPP); +} + +static moduledata_t vesa_mod = { + "vesa", + vesa_mod_event, + NULL, +}; + +DECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); +MODULE_DEPEND(vesa, x86bios, 1, 1, 1); + +#endif /* VGA_NO_MODE_CHANGE */ diff --git a/sys/dev/fb/vesa.h b/sys/dev/fb/vesa.h new file mode 100644 index 000000000000..25b9bd50f2d1 --- /dev/null +++ b/sys/dev/fb/vesa.h @@ -0,0 +1,136 @@ +/*- + * Copyright (c) 1998 Michael Smith and Kazutaka YOKOTA + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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. + * + * $FreeBSD$ + */ + +#ifndef _DEV_FB_VESA_H_ +#define _DEV_FB_VESA_H_ + +struct vesa_info +{ + /* mandatory fields */ + u_int8_t v_sig[4]; /* VESA */ + u_int16_t v_version; /* ver in BCD */ + u_int32_t v_oemstr; /* OEM string */ + u_int32_t v_flags; /* flags */ +#define V_DAC8 (1<<0) +#define V_NONVGA (1<<1) +#define V_SNOW (1<<2) + u_int32_t v_modetable; /* modes */ + u_int16_t v_memsize; /* in 64K */ + /* 2.0 */ + u_int16_t v_revision; /* software rev */ + u_int32_t v_venderstr; /* vender */ + u_int32_t v_prodstr; /* product name */ + u_int32_t v_revstr; /* product rev */ + u_int8_t v_strach[222]; + u_int8_t v_oemdata[256]; +} __packed; + +struct vesa_mode +{ + /* mandatory fields */ + u_int16_t v_modeattr; +#define V_MODESUPP (1<<0) /* VESA mode attributes */ +#define V_MODEOPTINFO (1<<1) +#define V_MODEBIOSOUT (1<<2) +#define V_MODECOLOR (1<<3) +#define V_MODEGRAPHICS (1<<4) +#define V_MODENONVGA (1<<5) +#define V_MODENONBANK (1<<6) +#define V_MODELFB (1<<7) +#define V_MODEVESA (1<<16) /* Private attributes */ + u_int8_t v_waattr; + u_int8_t v_wbattr; +#define V_WATTREXIST (1<<0) +#define V_WATTRREAD (1<<1) +#define V_WATTRWRITE (1<<2) + u_int16_t v_wgran; + u_int16_t v_wsize; + u_int16_t v_waseg; + u_int16_t v_wbseg; + u_int32_t v_posfunc; + u_int16_t v_bpscanline; + /* fields optional for 1.0/1.1 implementations */ + u_int16_t v_width; + u_int16_t v_height; + u_int8_t v_cwidth; + u_int8_t v_cheight; + u_int8_t v_planes; + u_int8_t v_bpp; + u_int8_t v_banks; + u_int8_t v_memmodel; +#define V_MMTEXT 0 +#define V_MMCGA 1 +#define V_MMHGC 2 +#define V_MMEGA 3 +#define V_MMPACKED 4 +#define V_MMSEQU256 5 +#define V_MMDIRCOLOR 6 +#define V_MMYUV 7 + u_int8_t v_banksize; + u_int8_t v_ipages; + u_int8_t v_reserved0; + /* fields for 1.2+ implementations */ + u_int8_t v_redmasksize; + u_int8_t v_redfieldpos; + u_int8_t v_greenmasksize; + u_int8_t v_greenfieldpos; + u_int8_t v_bluemasksize; + u_int8_t v_bluefieldpos; + u_int8_t v_resmasksize; + u_int8_t v_resfieldpos; + u_int8_t v_dircolormode; + /* 2.0 implementations */ + u_int32_t v_lfb; + u_int32_t v_offscreen; + u_int16_t v_offscreensize; + /* 3.0 implementations */ + u_int16_t v_linbpscanline; + u_int8_t v_bankipages; + u_int8_t v_linipages; + u_int8_t v_linredmasksize; + u_int8_t v_linredfieldpos; + u_int8_t v_lingreenmasksize; + u_int8_t v_lingreenfieldpos; + u_int8_t v_linbluemasksize; + u_int8_t v_linbluefieldpos; + u_int8_t v_linresmasksize; + u_int8_t v_linresfieldpos; + u_int32_t v_maxpixelclock; + u_int8_t v_reserved1[190]; +} __packed; + +#ifdef _KERNEL + +#define VESA_MODE(x) ((x) >= M_VESA_BASE) + +int vesa_load_ioctl(void); +int vesa_unload_ioctl(void); + +#endif + +#endif /* !_DEV_FB_VESA_H_ */ diff --git a/sys/dev/fb/vga.c b/sys/dev/fb/vga.c index 425aec296ccf..a2e99f2b24e6 100644 --- a/sys/dev/fb/vga.c +++ b/sys/dev/fb/vga.c @@ -156,7 +156,7 @@ vga_mmap(struct cdev *dev, vga_softc_t *sc, vm_offset_t offset, vm_offset_t *pad #include <isa/rtc.h> #ifdef __i386__ -#include <machine/pc/vesa.h> +#include <dev/fb/vesa.h> #endif #define probe_done(adp) ((adp)->va_flags & V_ADP_PROBED) diff --git a/sys/dev/fb/vgareg.h b/sys/dev/fb/vgareg.h index 0a73fbd5e1cb..fa9d44eaef15 100644 --- a/sys/dev/fb/vgareg.h +++ b/sys/dev/fb/vgareg.h @@ -70,6 +70,7 @@ struct video_adapter; typedef struct vga_softc { struct video_adapter *adp; void *state_buf; + void *pal_buf; #ifdef FB_INSTALL_CDEV genfb_softc_t gensc; #endif diff --git a/sys/dev/pci/vga_pci.c b/sys/dev/pci/vga_pci.c index 3e5b1a64bdd0..19fe9df7beb9 100644 --- a/sys/dev/pci/vga_pci.c +++ b/sys/dev/pci/vga_pci.c @@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$"); #include <sys/kernel.h> #include <sys/module.h> #include <sys/rman.h> +#include <sys/sysctl.h> #include <sys/systm.h> #include <dev/pci/pcireg.h> @@ -58,9 +59,19 @@ struct vga_pci_softc { struct vga_resource vga_res[PCIR_MAX_BAR_0 + 1]; }; +SYSCTL_DECL(_hw_pci); + +int vga_pci_default_unit = -1; +TUNABLE_INT("hw.pci.default_vgapci_unit", &vga_pci_default_unit); +SYSCTL_INT(_hw_pci, OID_AUTO, default_vgapci_unit, CTLFLAG_RDTUN, + &vga_pci_default_unit, -1, "Default VGA-compatible display"); + static int vga_pci_probe(device_t dev) { + device_t bdev; + int unit; + uint16_t bctl; switch (pci_get_class(dev)) { case PCIC_DISPLAY: @@ -72,6 +83,16 @@ vga_pci_probe(device_t dev) default: return (ENXIO); } + + /* Probe default display. */ + unit = device_get_unit(dev); + bdev = device_get_parent(device_get_parent(dev)); + bctl = pci_read_config(bdev, PCIR_BRIDGECTL_1, 2); + if (vga_pci_default_unit < 0 && (bctl & PCIB_BCR_VGA_ENABLE) != 0) + vga_pci_default_unit = unit; + if (vga_pci_default_unit == unit) + device_set_flags(dev, 1); + device_set_desc(dev, "VGA-compatible display"); return (BUS_PROBE_GENERIC); } diff --git a/sys/dev/syscons/scvesactl.c b/sys/dev/syscons/scvesactl.c index 9a2c253869c8..b896484bb76e 100644 --- a/sys/dev/syscons/scvesactl.c +++ b/sys/dev/syscons/scvesactl.c @@ -43,7 +43,7 @@ __FBSDID("$FreeBSD$"); #include <sys/fbio.h> #include <sys/consio.h> -#include <machine/pc/vesa.h> +#include <dev/fb/vesa.h> #include <dev/fb/fbreg.h> #include <dev/syscons/syscons.h> diff --git a/sys/dev/syscons/scvgarndr.c b/sys/dev/syscons/scvgarndr.c index 1ab41d2e5e4d..fd823ce434ba 100644 --- a/sys/dev/syscons/scvgarndr.c +++ b/sys/dev/syscons/scvgarndr.c @@ -193,6 +193,8 @@ static u_short mouse_or_mask[16] = { case 15: \ writew(pos, vga_palette15[color]); \ break; \ + case 8: \ + writeb(pos, (uint8_t)color); \ } static uint32_t vga_palette32[16] = { @@ -215,6 +217,7 @@ static uint16_t vga_palette15[16] = { #ifndef SC_NO_CUTPASTE static uint32_t mouse_buf32[256]; static uint16_t mouse_buf16[256]; +static uint8_t mouse_buf8[256]; #endif #endif @@ -498,7 +501,9 @@ vga_rndrinit(scr_stat *scp) scp->rndr->draw_cursor = vga_pxlcursor_planar; scp->rndr->blink_cursor = vga_pxlblink_planar; scp->rndr->draw_mouse = vga_pxlmouse_planar; - } else if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) { + } else + if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT || + scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PACKED) { scp->rndr->clear = vga_pxlclear_direct; scp->rndr->draw_border = vga_pxlborder_direct; scp->rndr->draw = vga_vgadraw_direct; @@ -1148,6 +1153,7 @@ vga_pxlmouse_direct(scr_stat *scp, int x, int y, int on) int i, j; uint32_t *u32; uint16_t *u16; + uint8_t *u8; int bpp; if (!on) @@ -1179,6 +1185,10 @@ vga_pxlmouse_direct(scr_stat *scp, int x, int y, int on) u16 = (uint16_t*)(p + j * pixel_size); writew(u16, mouse_buf16[i * 16 + j]); break; + case 8: + u8 = (uint8_t*)(p + j * pixel_size); + writeb(u8, mouse_buf8[i * 16 + j]); + break; } } @@ -1214,6 +1224,14 @@ vga_pxlmouse_direct(scr_stat *scp, int x, int y, int on) else if (mouse_and_mask[i] & (1 << (15 - j))) writew(u16, 0); break; + case 8: + u8 = (uint8_t*)(p + j * pixel_size); + mouse_buf8[i * 16 + j] = *u8; + if (mouse_or_mask[i] & (1 << (15 - j))) + writeb(u8, 15); + else if (mouse_and_mask[i] & (1 << (15 - j))) + writeb(u8, 0); + break; } } diff --git a/sys/dev/syscons/scvidctl.c b/sys/dev/syscons/scvidctl.c index d69e0a8fc36f..0f55499bac74 100644 --- a/sys/dev/syscons/scvidctl.c +++ b/sys/dev/syscons/scvidctl.c @@ -369,30 +369,7 @@ sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize, if ((info.vi_width < xsize*8) || (info.vi_height < ysize*fontsize)) return EINVAL; - /* - * We currently support the following graphic modes: - * - * - 4 bpp planar modes whose memory size does not exceed 64K - * - 15, 16, 24 and 32 bpp linear modes - */ - - if (info.vi_mem_model == V_INFO_MM_PLANAR) { - if (info.vi_planes != 4) - return ENODEV; - - /* - * A memory size >64K requires bank switching to access the entire - * screen. XXX - */ - - if (info.vi_width * info.vi_height / 8 > info.vi_window_size) - return ENODEV; - } else if (info.vi_mem_model == V_INFO_MM_DIRECT) { - if (!(info.vi_flags & V_INFO_LINEAR) && - (info.vi_depth != 15) && (info.vi_depth != 16) && - (info.vi_depth != 24) && (info.vi_depth != 32)) - return ENODEV; - } else + if (!sc_support_pixel_mode(&info)) return ENODEV; /* stop screen saver, etc */ @@ -468,6 +445,48 @@ sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize, #endif /* SC_PIXEL_MODE */ } +int +sc_support_pixel_mode(void *arg) +{ +#ifdef SC_PIXEL_MODE + video_info_t *info = arg; + + if ((info->vi_flags & V_INFO_GRAPHICS) == 0) + return (0); + + /* + * We currently support the following graphic modes: + * + * - 4 bpp planar modes whose memory size does not exceed 64K + * - 15, 16, 24 and 32 bpp linear modes + */ + switch (info->vi_mem_model) { + case V_INFO_MM_PLANAR: + if (info->vi_planes != 4) + break; + /* + * A memory size >64K requires bank switching to access + * the entire screen. XXX + */ + if (info->vi_width * info->vi_height / 8 > info->vi_window_size) + break; + return (1); + case V_INFO_MM_DIRECT: + if ((info->vi_flags & V_INFO_LINEAR) == 0 && + info->vi_depth != 15 && info->vi_depth != 16 && + info->vi_depth != 24 && info->vi_depth != 32) + break; + return (1); + case V_INFO_MM_PACKED: + if ((info->vi_flags & V_INFO_LINEAR) == 0 && + info->vi_depth != 8) + break; + return (1); + } +#endif + return (0); +} + #define fb_ioctl(a, c, d) \ (((a) == NULL) ? ENODEV : \ vidd_ioctl((a), (c), (caddr_t)(d))) @@ -721,6 +740,11 @@ sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td) #endif #ifndef SC_NO_PALETTE_LOADING +#ifdef SC_PIXEL_MODE + if ((adp->va_flags & V_ADP_DAC8) != 0) + vidd_load_palette(adp, scp->sc->palette2); + else +#endif vidd_load_palette(adp, scp->sc->palette); #endif @@ -778,7 +802,10 @@ sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td) if (scp == scp->sc->cur_scp) { set_mode(scp); #ifndef SC_NO_PALETTE_LOADING - vidd_load_palette(adp, scp->sc->palette); + if ((adp->va_flags & V_ADP_DAC8) != 0) + vidd_load_palette(adp, scp->sc->palette2); + else + vidd_load_palette(adp, scp->sc->palette); #endif } sc_clear_screen(scp); diff --git a/sys/dev/syscons/syscons.c b/sys/dev/syscons/syscons.c index 653ff08274a9..8dffe5cd5380 100644 --- a/sys/dev/syscons/syscons.c +++ b/sys/dev/syscons/syscons.c @@ -39,6 +39,7 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> +#include <sys/bus.h> #include <sys/conf.h> #include <sys/cons.h> #include <sys/consio.h> @@ -342,16 +343,105 @@ sc_alloc_tty(int index, int devnum) return (tp); } +#ifdef SC_PIXEL_MODE +static void +sc_set_vesa_mode(scr_stat *scp, sc_softc_t *sc, int unit) +{ + video_info_t info; + int depth; + int i; + int vmode; + + vmode = 0; + (void)resource_int_value("sc", unit, "vesa_mode", &vmode); + if (vmode < M_VESA_BASE || vmode > M_VESA_MODE_MAX || + vidd_get_info(sc->adp, vmode, &info) != 0 || + !sc_support_pixel_mode(&info)) + vmode = 0; + + /* + * If the mode is unset or unsupported, search for an available + * 800x600 graphics mode with the highest color depth. + */ + if (vmode == 0) { + for (depth = 0, i = M_VESA_BASE; i <= M_VESA_MODE_MAX; i++) + if (vidd_get_info(sc->adp, i, &info) == 0 && + info.vi_width == 800 && info.vi_height == 600 && + sc_support_pixel_mode(&info) && + info.vi_depth > depth) { + vmode = i; + depth = info.vi_depth; + } + if (vmode == 0) + return; + vidd_get_info(sc->adp, vmode, &info); + } + +#ifndef SC_NO_FONT_LOADING + if ((sc->fonts_loaded & FONT_16) == 0) + return; +#endif +#ifdef DEV_SPLASH + if ((sc->flags & SC_SPLASH_SCRN) != 0) + splash_term(sc->adp); +#endif +#ifndef SC_NO_HISTORY + if (scp->history != NULL) { + sc_vtb_append(&scp->vtb, 0, scp->history, + scp->ypos * scp->xsize + scp->xpos); + scp->history_pos = sc_vtb_tail(scp->history); + } +#endif + vidd_set_mode(sc->adp, vmode); + scp->status |= (UNKNOWN_MODE | PIXEL_MODE | MOUSE_HIDDEN); + scp->status &= ~(GRAPHICS_MODE | MOUSE_VISIBLE); + scp->xpixel = info.vi_width; + scp->ypixel = info.vi_height; + scp->xsize = scp->xpixel / 8; + scp->ysize = scp->ypixel / 16; + scp->xpos = 0; + scp->ypos = scp->ysize - 1; + scp->xoff = scp->yoff = 0; +#ifndef SC_NO_FONT_LOADING + scp->font = sc->font_16; +#else + scp->font = NULL; +#endif + scp->font_size = 16; + scp->font_width = 8; + scp->start = scp->xsize * scp->ysize - 1; + scp->end = 0; + scp->cursor_pos = scp->cursor_oldpos = scp->xsize * scp->xsize; + scp->mode = sc->initial_mode = vmode; +#ifndef __sparc64__ + sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize, + (void *)sc->adp->va_window, FALSE); +#endif + sc_alloc_scr_buffer(scp, FALSE, FALSE); + sc_init_emulator(scp, NULL); +#ifndef SC_NO_CUTPASTE + sc_alloc_cut_buffer(scp, FALSE); +#endif +#ifndef SC_NO_HISTORY + sc_alloc_history_buffer(scp, 0, 0, FALSE); +#endif + sc_set_border(scp, scp->border); + sc_set_cursor_image(scp); + scp->status &= ~UNKNOWN_MODE; +#ifdef DEV_SPLASH + if ((sc->flags & SC_SPLASH_SCRN) != 0) + splash_init(sc->adp, scsplash_callback, sc); +#endif +} +#endif + int sc_attach_unit(int unit, int flags) { sc_softc_t *sc; scr_stat *scp; -#ifdef SC_PIXEL_MODE - video_info_t info; -#endif - int vc; struct cdev *dev; + int vc; flags &= ~SC_KERNEL_CONSOLE; @@ -373,21 +463,8 @@ sc_attach_unit(int unit, int flags) sc_console = scp; #ifdef SC_PIXEL_MODE - if ((sc->config & SC_VESA800X600) - && (vidd_get_info(sc->adp, M_VESA_800x600, &info) == 0)) { -#ifdef DEV_SPLASH - if (sc->flags & SC_SPLASH_SCRN) - splash_term(sc->adp); -#endif - sc_set_graphics_mode(scp, NULL, M_VESA_800x600); - sc_set_pixel_mode(scp, NULL, COL, ROW, 16, 8); - sc->initial_mode = M_VESA_800x600; -#ifdef DEV_SPLASH - /* put up the splash again! */ - if (sc->flags & SC_SPLASH_SCRN) - splash_init(sc->adp, scsplash_callback, sc); -#endif - } + if ((sc->config & SC_VESAMODE) != 0) + sc_set_vesa_mode(scp, sc, unit); #endif /* SC_PIXEL_MODE */ /* initialize cursor */ @@ -517,7 +594,7 @@ sctty_open(struct tty *tp) if (scp == NULL) { scp = SC_STAT(tp) = alloc_scp(sc, SC_VTY(tp)); if (ISGRAPHSC(scp)) - sc_set_pixel_mode(scp, NULL, COL, ROW, 16, 8); + sc_set_pixel_mode(scp, NULL, 0, 0, 16, 8); } if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) { tp->t_winsize.ws_col = scp->xsize; @@ -2049,6 +2126,11 @@ restore_scrn_saver_mode(scr_stat *scp, int changemode) } if (set_mode(scp) == 0) { #ifndef SC_NO_PALETTE_LOADING +#ifdef SC_PIXEL_MODE + if ((scp->sc->adp->va_flags & V_ADP_DAC8) != 0) + vidd_load_palette(scp->sc->adp, scp->sc->palette2); + else +#endif vidd_load_palette(scp->sc->adp, scp->sc->palette); #endif --scrn_blanked; @@ -2452,8 +2534,14 @@ exchange_scr(sc_softc_t *sc) if (!ISGRAPHSC(scp)) sc_set_cursor_image(scp); #ifndef SC_NO_PALETTE_LOADING - if (ISGRAPHSC(sc->old_scp)) + if (ISGRAPHSC(sc->old_scp)) { +#ifdef SC_PIXEL_MODE + if ((sc->adp->va_flags & V_ADP_DAC8) != 0) + vidd_load_palette(sc->adp, sc->palette2); + else +#endif vidd_load_palette(sc->adp, sc->palette); + } #endif sc_set_border(scp, scp->border); @@ -2802,6 +2890,10 @@ scinit(int unit, int flags) #ifndef SC_NO_PALETTE_LOADING vidd_save_palette(sc->adp, sc->palette); +#ifdef SC_PIXEL_MODE + for (i = 0; i < sizeof(sc->palette2); i++) + sc->palette2[i] = i / 3; +#endif #endif #ifdef DEV_SPLASH @@ -2995,6 +3087,8 @@ init_scp(sc_softc_t *sc, int vty, scr_stat *scp) scp->ysize = info.vi_height; scp->xpixel = scp->xsize*info.vi_cwidth; scp->ypixel = scp->ysize*info.vi_cheight; + } + scp->font_size = info.vi_cheight; scp->font_width = info.vi_cwidth; if (info.vi_cheight < 14) { @@ -3016,7 +3110,7 @@ init_scp(sc_softc_t *sc, int vty, scr_stat *scp) scp->font = NULL; #endif } - } + sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE); #ifndef __sparc64__ sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE); diff --git a/sys/dev/syscons/syscons.h b/sys/dev/syscons/syscons.h index c0ed6c1fd642..aab6b5c82f1c 100644 --- a/sys/dev/syscons/syscons.h +++ b/sys/dev/syscons/syscons.h @@ -191,7 +191,7 @@ struct tty; typedef struct sc_softc { int unit; /* unit # */ int config; /* configuration flags */ -#define SC_VESA800X600 (1 << 7) +#define SC_VESAMODE (1 << 7) #define SC_AUTODETECT_KBD (1 << 8) #define SC_KERNEL_CONSOLE (1 << 9) @@ -245,7 +245,10 @@ typedef struct sc_softc { #endif #ifndef SC_NO_PALETTE_LOADING - u_char palette[256*3]; + u_char palette[256 * 3]; +#ifdef SC_PIXEL_MODE + u_char palette2[256 * 3]; +#endif #endif #ifndef SC_NO_FONT_LOADING @@ -616,6 +619,7 @@ int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, int ysize, int fontsize, int font_width); +int sc_support_pixel_mode(void *arg); int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td); |
