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authorGwenolé Beauchesne <gbeauchesne@mandriva.org>2004-08-25 05:49:03 +0000
committerGwenolé Beauchesne <gbeauchesne@mandriva.org>2004-08-25 05:49:03 +0000
commitb9e6ef4447684d5786c51ea7b447a6b874f67a9b (patch)
tree125e1eeb01eb19fea42476d4efc2425843781aec /tools/ddcprobe/vbe.h
parentcec9fd9a69aa91a6f3de3becfdfe7eb8eeff7e3a (diff)
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Extensive rewrite and cleanups to use the new int10 interface. Plus add
some 64-bit fixes and a last-resort means to get VBE/EDID information from special -BOOT kernel during early boot.
Diffstat (limited to 'tools/ddcprobe/vbe.h')
-rw-r--r--tools/ddcprobe/vbe.h150
1 files changed, 23 insertions, 127 deletions
diff --git a/tools/ddcprobe/vbe.h b/tools/ddcprobe/vbe.h
index 338d3bd88..4dd7e70c5 100644
--- a/tools/ddcprobe/vbe.h
+++ b/tools/ddcprobe/vbe.h
@@ -3,113 +3,20 @@
#ident "$Id$"
#include <sys/types.h>
+struct vbe_mode_info;
+
/* Record returned by int 0x10, function 0x4f, subfunction 0x00. */
struct vbe_info {
- unsigned char signature[4];
- unsigned char version[2];
- union {
- struct {
- u_int16_t ofs;
- u_int16_t seg;
- } addr;
- const char *string;
- } oem_name;
- u_int32_t capabilities;
- union {
- struct {
- u_int16_t ofs;
- u_int16_t seg;
- } addr;
- u_int16_t *list;
- } mode_list;
- u_int16_t memory_size;
- /* VESA 3.0+ */
- u_int16_t vbe_revision;
- union {
- struct {
- u_int16_t ofs;
- u_int16_t seg;
- } addr;
- const char *string;
- } vendor_name;
- union {
- struct {
- u_int16_t ofs;
- u_int16_t seg;
- } addr;
- const char *string;
- } product_name;
- union {
- struct {
- u_int16_t ofs;
- u_int16_t seg;
- } addr;
- const char *string;
- } product_revision;
- char reserved1[222];
- char reserved2[256];
-} __attribute__ ((packed));
-
-/* Stuff returned by int 0x10, function 0x4f, subfunction 0x01. */
-struct vbe_mode_info {
- /* required for all VESA versions */
- struct {
- /* VBE 1.0+ */
- u_int16_t supported: 1;
- u_int16_t optional_info_available: 1;
- u_int16_t bios_output_supported: 1;
- u_int16_t color: 1;
- u_int16_t graphics: 1;
- /* VBE 2.0+ */
- u_int16_t not_vga_compatible: 1;
- u_int16_t not_bank_switched: 1;
- u_int16_t lfb: 1;
- /* VBE 1.0+ */
- u_int16_t unknown: 1;
- u_int16_t must_enable_directaccess_in_10: 1;
- } mode_attributes;
- struct {
- unsigned char exists: 1;
- unsigned char readable: 1;
- unsigned char writeable: 1;
- unsigned char reserved: 5;
- } windowa_attributes, windowb_attributes;
- u_int16_t window_granularity;
- u_int16_t window_size;
- u_int16_t windowa_start_segment, windowb_start_segment;
- u_int16_t window_positioning_seg, window_positioning_ofs;
- u_int16_t bytes_per_scanline;
- /* optional for VESA 1.0/1.1, required for OEM modes */
- u_int16_t w, h;
- unsigned char cell_width, cell_height;
- unsigned char memory_planes;
- unsigned char bpp;
- unsigned char banks;
- enum {
- memory_model_text = 0,
- memory_model_cga = 1,
- memory_model_hgc = 2,
- memory_model_ega16 = 3,
- memory_model_packed_pixel = 4,
- memory_model_sequ256 = 5,
- memory_model_direct_color = 6,
- memory_model_yuv = 7,
- } memory_model: 8;
- unsigned char bank_size;
- unsigned char image_pages;
- unsigned char reserved1;
- /* required for VESA 1.2+ */
- unsigned char red_mask, red_field;
- unsigned char green_mask, green_field;
- unsigned char blue_mask, blue_field;
- unsigned char reserved_mask, reserved_field;
- unsigned char direct_color_mode_info;
- /* VESA 2.0+ */
- u_int32_t linear_buffer_address;
- u_int32_t offscreen_memory_address;
- u_int16_t offscreen_memory_size;
- unsigned char reserved2[206];
-} __attribute__ ((packed));
+ unsigned int version;
+ unsigned int oem_version;
+ unsigned int memory_size;
+ char *oem_name;
+ char *vendor_name;
+ char *product_name;
+ char *product_revision;
+ unsigned int modes;
+ unsigned int mode_list[0x100];
+};
/* Modeline information used by XFree86. */
struct vbe_modeline {
@@ -211,12 +118,15 @@ struct vbe_edid_monitor_descriptor {
struct vbe_edid1_info {
unsigned char header[8];
- struct {
- u_int16_t char3: 5;
- u_int16_t char2: 5;
- u_int16_t char1: 5;
- u_int16_t zero: 1;
- } manufacturer_name __attribute__ ((packed));
+ union {
+ u_int16_t p;
+ struct {
+ u_int16_t char3: 5;
+ u_int16_t char2: 5;
+ u_int16_t char1: 5;
+ u_int16_t zero: 1;
+ } u;
+ } manufacturer_name;
u_int16_t product_code;
u_int32_t serial_number;
unsigned char week;
@@ -282,24 +192,10 @@ struct vbe_edid1_info {
#define VBE_LINEAR_FRAMEBUFFER 0x4000
/* Get VESA information. */
-struct vbe_info *vbe_get_vbe_info();
-
-/* Get information about a particular video mode, bitwise or with
- VBE_LINEAR_FRAMEBUFFER to check if LFB version is supported. */
-struct vbe_mode_info *vbe_get_mode_info(u_int16_t mode);
+int vbe_get_vbe_info(struct vbe_info *vbe);
/* Check if EDID reads are supported, and do them. */
-int vbe_get_edid_supported();
-struct vbe_edid1_info *vbe_get_edid_info();
-
-/* Get the current video mode, -1 on error. */
-int32_t vbe_get_mode();
-/* Set a new video mode, bitwise or with VBE_LINEAR_FRAMEBUFFER. */
-void vbe_set_mode(u_int16_t mode);
-
-/* Save/restore the SVGA state. Call free() on the state record when done. */
-const void *vbe_save_svga_state();
-void vbe_restore_svga_state(const void *state);
+int vbe_get_edid_info(struct vbe_edid1_info *edid);
/* Get the ranges of values suitable for the attached monitor. */
void vbe_get_edid_ranges(struct vbe_edid1_info *edid,