diff options
Diffstat (limited to 'tools/ddcprobe/vbe.h')
| -rw-r--r-- | tools/ddcprobe/vbe.h | 163 |
1 files changed, 36 insertions, 127 deletions
diff --git a/tools/ddcprobe/vbe.h b/tools/ddcprobe/vbe.h index 338d3bd88..ac555c011 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 +118,22 @@ 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 __attribute__ ((packed)) { +#if __BYTE_ORDER == __LITTLE_ENDIAN + u_int16_t char3: 5; + u_int16_t char2: 5; + u_int16_t char1: 5; + u_int16_t zero: 1; +#else /* __BIG_ENDIAN */ + u_int16_t zero: 1; + u_int16_t char1: 5; + u_int16_t char2: 5; + u_int16_t char3: 5; +#endif + } u; + } manufacturer_name; u_int16_t product_code; u_int32_t serial_number; unsigned char week; @@ -266,9 +183,15 @@ struct vbe_edid1_info { unsigned char reserved: 7; } manufacturer_timings __attribute__ ((packed)); struct { +#if __BYTE_ORDER == __LITTLE_ENDIAN u_int16_t xresolution: 8; u_int16_t vfreq: 6; u_int16_t aspect: 2; +#else /* __BIG_ENDIAN */ + u_int16_t aspect: 2; + u_int16_t vfreq: 6; + u_int16_t xresolution: 8; +#endif } standard_timing[8] __attribute__ ((packed)); union { struct vbe_edid_detailed_timing detailed_timing[4]; @@ -282,24 +205,10 @@ 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, |