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-rw-r--r--sys/i386/isa/vesa.c668
1 files changed, 566 insertions, 102 deletions
diff --git a/sys/i386/isa/vesa.c b/sys/i386/isa/vesa.c
index d734c64..0756880 100644
--- a/sys/i386/isa/vesa.c
+++ b/sys/i386/isa/vesa.c
@@ -23,7 +23,7 @@
* (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: vesa.c,v 1.23 1999/05/09 15:57:52 peter Exp $
+ * $Id: vesa.c,v 1.24 1999/06/01 18:20:18 jlemon Exp $
*/
#include "vga.h"
@@ -42,10 +42,13 @@
#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/pmap.h>
-#include <machine/console.h>
#include <machine/md_var.h>
#include <machine/vm86.h>
#include <machine/pc/bios.h>
@@ -75,12 +78,10 @@ typedef struct adp_state adp_state_t;
/* VESA video adapter */
static video_adapter_t *vesa_adp = NULL;
static int vesa_state_buf_size = 0;
-#if 0
-static void *vesa_state_buf = NULL;
-#endif
/* VESA functions */
static int vesa_nop(void);
+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;
@@ -98,8 +99,14 @@ 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 struct vm86context vesa_vmcontext;
static video_switch_t vesavidsw = {
@@ -120,8 +127,14 @@ static video_switch_t vesavidsw = {
vesa_read_hw_cursor,
vesa_set_hw_cursor,
vesa_set_hw_cursor_shape,
- (vi_blank_display_t *)vesa_nop,
+ vesa_blank_display,
vesa_mmap,
+ vesa_ioctl,
+ vesa_clear,
+ vesa_fill_rect,
+ vesa_bitblt,
+ vesa_error,
+ vesa_error,
vesa_diag,
};
@@ -132,9 +145,11 @@ static video_switch_t *prevvidsw;
#define EOT (-1)
#define NA (-2)
-static video_info_t vesa_vmode[VESA_MAXMODES + 1] = {
- { EOT, },
-};
+#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;
@@ -155,8 +170,12 @@ static int vesa_bios_get_dac(void);
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
@@ -169,12 +188,20 @@ static int vesa_bios_load_palette(int start, int colors, u_char *palette,
static int vesa_bios_state_buf_size(void);
static int vesa_bios_save_restore(int code, void *p, size_t size);
static int vesa_bios_get_line_length(void);
+static int vesa_bios_set_line_length(int pixel);
+static int vesa_bios_get_start(int *x, int *y);
+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 void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off,
u_char *buf);
static int vesa_bios_init(void);
static void vesa_clear_modes(video_info_t *info, int color);
+static vm_offset_t vesa_map_buffer(u_int paddr, size_t size);
+static void vesa_unmap_buffer(vm_offset_t vaddr, size_t size);
+
+static int vesa_get_origin(video_adapter_t *adp, off_t *offset);
static void
dump_buffer(u_char *buf, size_t len)
@@ -294,6 +321,36 @@ 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)
+{
+ struct vm86frame vmf;
+ u_char *p;
+ int err;
+ int i;
+
+ bzero(&vmf, sizeof(vmf));
+ vmf.vmf_eax = 0x4f09;
+ vmf.vmf_ebx = 1; /* get primary palette data */
+ vmf.vmf_ecx = colors;
+ vmf.vmf_edx = start;
+ p = (u_char *)vm86_getpage(&vesa_vmcontext, 1);
+ vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di);
+
+ err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
+ if ((err != 0) || (vmf.vmf_eax != 0x4f))
+ 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;
+ }
+ return 0;
+}
+
+static int
vesa_bios_load_palette(int start, int colors, u_char *palette, int bits)
{
struct vm86frame vmf;
@@ -322,6 +379,35 @@ 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)
+{
+ struct vm86frame vmf;
+ u_char *p;
+ int err;
+ int i;
+
+ p = (u_char *)vm86_getpage(&vesa_vmcontext, 1);
+ 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;
+ }
+
+ bzero(&vmf, sizeof(vmf));
+ vmf.vmf_eax = 0x4f09;
+ vmf.vmf_ebx = 0; /* set primary palette data */
+ vmf.vmf_ecx = colors;
+ vmf.vmf_edx = start;
+ vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di);
+
+ err = vm86_datacall(0x10, &vmf, &vesa_vmcontext);
+ return ((err != 0) || (vmf.vmf_eax != 0x4f));
+}
+
+static int
vesa_bios_state_buf_size(void)
{
struct vm86frame vmf;
@@ -371,6 +457,55 @@ vesa_bios_get_line_length(void)
return vmf.vmf_bx; /* line length in bytes */
}
+static int
+vesa_bios_set_line_length(int pixel)
+{
+ struct vm86frame vmf;
+ int err;
+
+ bzero(&vmf, sizeof(vmf));
+ vmf.vmf_eax = 0x4f06;
+ vmf.vmf_ebx = 0; /* set scan line length in pixel */
+ vmf.vmf_ecx = pixel;
+ err = vm86_intcall(0x10, &vmf);
+#if VESA_DEBUG > 1
+ printf("bx:%d, cx:%d, dx:%d\n", vmf.vmf_bx, vmf.vmf_cx, vmf.vmf_dx);
+#endif
+ return ((err != 0) || (vmf.vmf_eax != 0x4f));
+}
+
+static int
+vesa_bios_get_start(int *x, int *y)
+{
+ struct vm86frame vmf;
+ int err;
+
+ bzero(&vmf, sizeof(vmf));
+ vmf.vmf_eax = 0x4f07;
+ vmf.vmf_ebx = 1; /* get display start */
+ err = vm86_intcall(0x10, &vmf);
+ if ((err != 0) || (vmf.vmf_eax != 0x4f))
+ return 1;
+ *x = vmf.vmf_cx;
+ *y = vmf.vmf_dx;
+ return 0;
+}
+
+static int
+vesa_bios_set_start(int x, int y)
+{
+ struct vm86frame vmf;
+ int err;
+
+ bzero(&vmf, sizeof(vmf));
+ vmf.vmf_eax = 0x4f07;
+ vmf.vmf_ebx = 0x80; /* set display start */
+ vmf.vmf_edx = y;
+ vmf.vmf_ecx = x;
+ err = vm86_intcall(0x10, &vmf);
+ return ((err != 0) || (vmf.vmf_eax != 0x4f));
+}
+
/* map a generic video mode to a known mode */
static int
vesa_map_gen_mode_num(int type, int color, int mode)
@@ -415,6 +550,29 @@ vesa_translate_flags(u_int16_t vflags)
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;
+}
+
static void
*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf)
{
@@ -434,6 +592,7 @@ vesa_bios_init(void)
static u_char buf[512];
struct vm86frame vmf;
struct vesa_mode vmode;
+ video_info_t *p;
u_char *vmbuf;
int modes;
int err;
@@ -444,6 +603,7 @@ vesa_bios_init(void)
has_vesa_bios = FALSE;
vesa_adp_info = NULL;
+ vesa_vmode_max = 0;
vesa_vmode[0].vi_mode = EOT;
vmbuf = (u_char *)vm86_addpage(&vesa_vmcontext, 1, 0);
@@ -463,6 +623,15 @@ vesa_bios_init(void)
}
if (vesa_adp_info->v_flags & V_NONVGA)
return 1;
+ if (vesa_adp_info->v_version < 0x0102) {
+ printf("VESA: VBE version %d.%d is not supported; "
+ "version 1.2 or later is required.\n",
+ ((vesa_adp_info->v_version & 0xf000) >> 12) * 10
+ + ((vesa_adp_info->v_version & 0x0f00) >> 8),
+ ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10
+ + (vesa_adp_info->v_version & 0x000f));
+ return 1;
+ }
/* fix string ptrs */
vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr,
@@ -480,7 +649,6 @@ vesa_bios_init(void)
}
/* obtain video mode information */
- vesa_vmode[0].vi_mode = EOT;
vesa_vmodetab = (u_int16_t *)vesa_fix_ptr(vesa_adp_info->v_modetable,
vmf.vmf_es, vmf.vmf_di, buf);
if (vesa_vmodetab == NULL)
@@ -488,8 +656,6 @@ vesa_bios_init(void)
for (i = 0, modes = 0;
(i < (M_VESA_MODE_MAX - M_VESA_BASE + 1))
&& (vesa_vmodetab[i] != 0xffff); ++i) {
- if (modes >= VESA_MAXMODES)
- break;
if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode))
continue;
@@ -505,6 +671,22 @@ vesa_bios_init(void)
continue;
#endif
+ /* 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_mode_max);
+#endif
+ if (modes > 0) {
+ bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes);
+ free(vesa_vmode, M_DEVBUF);
+ }
+ vesa_vmode = p;
+ }
+
/* copy some fields */
bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes]));
vesa_vmode[modes].vi_mode = vesa_vmodetab[i];
@@ -518,15 +700,56 @@ vesa_bios_init(void)
/* XXX window B */
vesa_vmode[modes].vi_window_size = vmode.v_wsize*1024;
vesa_vmode[modes].vi_window_gran = vmode.v_wgran*1024;
- vesa_vmode[modes].vi_buffer = vmode.v_lfb;
+ if (vmode.v_modeattr & V_MODELFB)
+ vesa_vmode[modes].vi_buffer = vmode.v_lfb;
+ else
+ vesa_vmode[modes].vi_buffer = 0;
/* XXX */
+ vesa_vmode[modes].vi_buffer_size
+ = vesa_adp_info->v_memsize*64*1024;
+#if 0
if (vmode.v_offscreen > vmode.v_lfb)
vesa_vmode[modes].vi_buffer_size
- = vmode.v_offscreen - vmode.v_lfb;
+ = vmode.v_offscreen + vmode.v_offscreensize*1024
+ - vmode.v_lfb;
else
- vesa_vmode[modes].vi_buffer_size = vmode.v_offscreen;
- /* pixel format, memory model... */
-
+ vesa_vmode[modes].vi_buffer_size
+ = vmode.v_offscreen + vmode.v_offscreensize*1024
+#endif
+ vesa_vmode[modes].vi_mem_model
+ = vesa_translate_mmodel(vmode.v_memmodel);
+ vesa_vmode[modes].vi_pixel_fields[0] = 0;
+ vesa_vmode[modes].vi_pixel_fields[1] = 0;
+ vesa_vmode[modes].vi_pixel_fields[2] = 0;
+ vesa_vmode[modes].vi_pixel_fields[3] = 0;
+ vesa_vmode[modes].vi_pixel_fsizes[0] = 0;
+ vesa_vmode[modes].vi_pixel_fsizes[1] = 0;
+ vesa_vmode[modes].vi_pixel_fsizes[2] = 0;
+ vesa_vmode[modes].vi_pixel_fsizes[3] = 0;
+ if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_PACKED) {
+ vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8;
+ } else if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_DIRECT) {
+ vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8;
+ 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;
+ } else {
+ vesa_vmode[modes].vi_pixel_size = 0;
+ }
+
vesa_vmode[modes].vi_flags
= vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA;
++modes;
@@ -549,6 +772,30 @@ vesa_clear_modes(video_info_t *info, int color)
}
}
+static vm_offset_t
+vesa_map_buffer(u_int paddr, size_t size)
+{
+ vm_offset_t vaddr;
+ u_int off;
+
+ off = paddr - trunc_page(paddr);
+ vaddr = (vm_offset_t)pmap_mapdev(paddr - off, size + off);
+#if VESA_DEBUG > 1
+ printf("vesa_map_buffer: paddr:%x vaddr:%x size:%x off:%x\n",
+ paddr, vaddr, size, off);
+#endif
+ return (vaddr + off);
+}
+
+static void
+vesa_unmap_buffer(vm_offset_t vaddr, size_t size)
+{
+#if VESA_DEBUG > 1
+ printf("vesa_unmap_buffer: vaddr:%x size:%x\n", vaddr, size);
+#endif
+ kmem_free(kernel_map, vaddr, size);
+}
+
/* entry points */
static int
@@ -624,6 +871,12 @@ vesa_nop(void)
}
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);
@@ -701,43 +954,36 @@ static int
vesa_set_mode(video_adapter_t *adp, int mode)
{
video_info_t info;
- size_t len;
+ int len;
if (adp != vesa_adp)
return (*prevvidsw->set_mode)(adp, mode);
- mode = vesa_map_gen_mode_num(vesa_adp->va_type,
- vesa_adp->va_flags & V_ADP_COLOR, 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",
- vesa_adp->va_mode, vesa_adp->va_mode, mode, mode);
+ 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, 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.
+ * 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(vesa_adp->va_mode)) {
+ if (VESA_MODE(adp->va_mode)) {
if ((*prevvidsw->get_info)(adp, mode, &info) == 0) {
- int10_set_mode(vesa_adp->va_initial_bios_mode);
-#if 0
- /* assert(vesa_state_buf != NULL); */
- if ((vesa_state_buf == NULL)
- || vesa_load_state(adp, vesa_state_buf))
- return 1;
- free(vesa_state_buf, M_DEVBUF);
- vesa_state_buf = NULL;
-#if VESA_DEBUG > 0
- printf("VESA: restored\n");
-#endif
-#endif /* 0 */
+ int10_set_mode(adp->va_initial_bios_mode);
+ if (adp->va_info.vi_flags & V_INFO_LINEAR)
+ vesa_unmap_buffer(adp->va_buffer,
+ vesa_adp_info->v_memsize*64*1024);
+ /*
+ * Once (*prevvidsw->get_info)() succeeded,
+ * (*prevvidsw->set_mode)() below won't fail...
+ */
}
- /*
- * once (*prevvidsw->get_info)() succeeded,
- * (*prevvidsw->set_mode)() below won't fail...
- */
}
/* we may not need to handle this mode after all... */
@@ -752,33 +998,17 @@ vesa_set_mode(video_adapter_t *adp, int mode)
#if VESA_DEBUG > 0
printf("VESA: about to set a VESA mode...\n");
#endif
- /*
- * If the current mode is not a VESA mode, save the current state
- * so that the adapter state can be restored later when a non-VESA
- * mode is to be set up. See above.
- */
-#if 0
- if (!VESA_MODE(vesa_adp->va_mode) && (vesa_state_buf == NULL)) {
- len = vesa_save_state(adp, NULL, 0);
- vesa_state_buf = malloc(len, M_DEVBUF, M_WAITOK);
- if (vesa_save_state(adp, vesa_state_buf, len)) {
-#if VESA_DEBUG > 0
- printf("VESA: state save failed! (len=%d)\n", len);
-#endif
- free(vesa_state_buf, M_DEVBUF);
- vesa_state_buf = NULL;
- return 1;
- }
-#if VESA_DEBUG > 0
- printf("VESA: saved (len=%d)\n", len);
- dump_buffer(vesa_state_buf, len);
-#endif
- }
-#endif /* 0 */
+ /* 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))
+ if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0)))
return 1;
+ if (adp->va_info.vi_flags & V_INFO_LINEAR)
+ vesa_unmap_buffer(adp->va_buffer,
+ vesa_adp_info->v_memsize*64*1024);
+
#if VESA_DEBUG > 0
printf("VESA: mode set!\n");
#endif
@@ -788,16 +1018,25 @@ vesa_set_mode(video_adapter_t *adp, int mode)
(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;
- vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window);
- vesa_adp->va_window_size = info.vi_window_size;
- vesa_adp->va_window_gran = info.vi_window_gran;
- if (info.vi_buffer_size == 0) {
- vesa_adp->va_buffer = 0;
- vesa_adp->va_buffer_size = 0;
+ if (info.vi_flags & V_INFO_LINEAR) {
+#if VESA_DEBUG > 1
+ printf("VESA: setting up LFB\n");
+#endif
+ vesa_adp->va_buffer =
+ vesa_map_buffer(info.vi_buffer,
+ vesa_adp_info->v_memsize*64*1024);
+ vesa_adp->va_buffer_size = info.vi_buffer_size;
+ 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 = BIOS_PADDRTOVADDR(info.vi_buffer);
+ vesa_adp->va_buffer = 0;
vesa_adp->va_buffer_size = info.vi_buffer_size;
+ vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window);
+ vesa_adp->va_window_size = info.vi_window_size;
+ vesa_adp->va_window_gran = info.vi_window_gran;
}
+ vesa_adp->va_window_orig = 0;
len = vesa_bios_get_line_length();
if (len > 0) {
vesa_adp->va_line_width = len;
@@ -820,6 +1059,8 @@ vesa_set_mode(video_adapter_t *adp, int mode)
} else {
vesa_adp->va_line_width = info.vi_width;
}
+ 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, len:%d, line_width:%d\n",
info.vi_width, len, vesa_adp->va_line_width);
@@ -927,6 +1168,22 @@ vesa_load_state(video_adapter_t *adp, void *p)
}
static int
+vesa_get_origin(video_adapter_t *adp, off_t *offset)
+{
+ struct vm86frame vmf;
+ int err;
+
+ bzero(&vmf, sizeof(vmf));
+ vmf.vmf_eax = 0x4f05;
+ vmf.vmf_ebx = 0x10; /* WINDOW_A, XXX */
+ err = vm86_intcall(0x10, &vmf);
+ if ((err != 0) || (vmf.vmf_eax != 0x4f))
+ return 1;
+ *offset = vmf.vmf_dx*adp->va_window_gran;
+ return 0;
+}
+
+static int
vesa_set_origin(video_adapter_t *adp, off_t offset)
{
struct vm86frame vmf;
@@ -941,20 +1198,26 @@ vesa_set_origin(video_adapter_t *adp, off_t offset)
if (adp != vesa_adp)
return (*prevvidsw->set_win_org)(adp, offset);
- if (vesa_adp->va_window_gran == 0)
+ /* 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;
+
bzero(&vmf, sizeof(vmf));
vmf.vmf_eax = 0x4f05;
vmf.vmf_ebx = 0; /* WINDOW_A, XXX */
- vmf.vmf_edx = offset/vesa_adp->va_window_gran;
+ vmf.vmf_edx = offset/adp->va_window_gran;
err = vm86_intcall(0x10, &vmf);
if ((err != 0) || (vmf.vmf_eax != 0x4f))
return 1;
bzero(&vmf, sizeof(vmf));
vmf.vmf_eax = 0x4f05;
vmf.vmf_ebx = 1; /* WINDOW_B, XXX */
- vmf.vmf_edx = offset/vesa_adp->va_window_gran;
+ vmf.vmf_edx = offset/adp->va_window_gran;
err = vm86_intcall(0x10, &vmf);
+ adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran;
return 0; /* XXX */
}
@@ -979,25 +1242,222 @@ vesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
}
static int
-vesa_mmap(video_adapter_t *adp, vm_offset_t offset)
+vesa_blank_display(video_adapter_t *adp, int mode)
{
- return (*prevvidsw->mmap)(adp, offset);
+ /* XXX: use VESA DPMS */
+ return (*prevvidsw->blank_display)(adp, mode);
}
static int
-vesa_diag(video_adapter_t *adp, int level)
+vesa_mmap(video_adapter_t *adp, vm_offset_t offset, int prot)
{
-#if VESA_DEBUG > 1
- struct vesa_mode vmode;
- int i;
+#if VESA_DEBUG > 0
+ printf("vesa_mmap(): window:0x%x, buffer:0x%x, offset:0x%x\n",
+ adp->va_info.vi_window, adp->va_info.vi_buffer, offset);
#endif
- if (adp != vesa_adp)
+ if ((adp == vesa_adp) && (adp->va_info.vi_flags & V_INFO_LINEAR)) {
+ /* va_window_size == va_buffer_size/vi_planes */
+ /* XXX: is this correct? */
+ if (offset > adp->va_window_size - PAGE_SIZE)
+ return -1;
+#ifdef __i386__
+ return i386_btop(adp->va_info.vi_buffer + offset);
+#endif
+#ifdef __alpha__ /* XXX */
+ return alpha_btop(adp->va_info.vi_buffer + offset);
+#endif
+ } else {
+ return (*prevvidsw->mmap)(adp, offset, 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) || (base + count > 256))
+ return 1;
+ if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode))
return 1;
-#ifndef KLD_MODULE
+ bits = vesa_bios_get_dac();
+ if (bits <= 6)
+ return 1;
+
+ 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);
+
+ /* if error && bits != 6 at this point, we are in in trouble... XXX */
+ 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)
+{
+ return 1;
+#if notyet
+ u_char *r;
+ u_char *g;
+ u_char *b;
+ int bits;
+ int error;
+
+ if ((base < 0) || (base >= 256) || (base + count > 256))
+ return 1;
+ if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode)
+ || ((bits = vesa_bios_set_dac(8)) <= 6))
+ return 1;
+
+ 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);
+ if (error == 0)
+ return 0;
+
+ /* if the following call fails, we are in trouble... XXX */
+ vesa_bios_set_dac(6);
+ return 1;
+#endif /* notyet */
+}
+
+static int
+vesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg)
+{
+ if (adp != vesa_adp)
+ return (*prevvidsw->ioctl)(adp, cmd, arg);
+
+ switch (cmd) {
+ case FBIO_SETWINORG: /* set frame buffer window origin */
+ return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0);
+
+ case FBIO_SETDISPSTART: /* set display start address */
+ 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_bios_set_line_length(*(u_int *)arg))
+ return ENODEV;
+ adp->va_line_width = (*(u_int *)arg + 7)/8;
+ 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 */
- (*prevvidsw->diag)(adp, level);
+ 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
/* general adapter information */
@@ -1016,15 +1476,11 @@ vesa_diag(video_adapter_t *adp, int level)
return 0;
if (vesa_adp_info->v_version >= 0x0200) {
- /* vendor name */
- if (vesa_venderstr != NULL)
- printf("VESA: %s\n", vesa_venderstr);
- /* product name */
- if (vesa_prodstr != NULL)
- printf("VESA: %s\n", vesa_prodstr);
- /* product revision */
- if (vesa_revstr != NULL)
- printf("VESA: %s\n", vesa_revstr);
+ /* 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
@@ -1047,13 +1503,15 @@ vesa_diag(video_adapter_t *adp, int level)
printf(", T %dx%d, ",
vmode.v_width, vmode.v_height);
}
- printf("font:%dx%d",
+ 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(", mem:%d, LFB:0x%x, off:0x%x",
- vmode.v_memmodel, vmode.v_lfb,
- vmode.v_offscreen);
+ 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), ",
@@ -1062,7 +1520,7 @@ vesa_diag(video_adapter_t *adp, int level)
printf("size:%dk, gran:%dk\n",
vmode.v_wsize, vmode.v_wgran);
}
-#endif
+#endif /* VESA_DEBUG > 1 */
return 0;
}
@@ -1084,14 +1542,14 @@ vesa_load(void)
error = vesa_configure(0);
splx(s);
-#ifdef KLD_MODULE
if (error == 0)
- vesa_diag(vesa_adp, bootverbose);
-#endif
+ vesa_bios_info(bootverbose);
return error;
}
+#ifdef KLD_MODULE
+
static int
vesa_unload(void)
{
@@ -1130,6 +1588,8 @@ vesa_unload(void)
return error;
}
+#endif /* KLD_MODULE */
+
static int
vesa_mod_event(module_t mod, int type, void *data)
{
@@ -1137,7 +1597,11 @@ vesa_mod_event(module_t mod, int type, void *data)
case MOD_LOAD:
return vesa_load();
case MOD_UNLOAD:
+#ifdef KLD_MODULE
return vesa_unload();
+#else
+ return EBUSY;
+#endif
default:
break;
}
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