Blame view
include/video/uvesafb.h
3.71 KB
8bdb3a2d7 uvesafb: the driv... |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 |
#ifndef _UVESAFB_H #define _UVESAFB_H struct v86_regs { __u32 ebx; __u32 ecx; __u32 edx; __u32 esi; __u32 edi; __u32 ebp; __u32 eax; __u32 eip; __u32 eflags; __u32 esp; __u16 cs; __u16 ss; __u16 es; __u16 ds; __u16 fs; __u16 gs; }; /* Task flags */ #define TF_VBEIB 0x01 #define TF_BUF_ESDI 0x02 #define TF_BUF_ESBX 0x04 #define TF_BUF_RET 0x08 #define TF_EXIT 0x10 struct uvesafb_task { __u8 flags; int buf_len; struct v86_regs regs; }; /* Constants for the capabilities field * in vbe_ib */ #define VBE_CAP_CAN_SWITCH_DAC 0x01 #define VBE_CAP_VGACOMPAT 0x02 /* The VBE Info Block */ struct vbe_ib { char vbe_signature[4]; __u16 vbe_version; __u32 oem_string_ptr; __u32 capabilities; __u32 mode_list_ptr; __u16 total_memory; __u16 oem_software_rev; __u32 oem_vendor_name_ptr; __u32 oem_product_name_ptr; __u32 oem_product_rev_ptr; __u8 reserved[222]; char oem_data[256]; char misc_data[512]; } __attribute__ ((packed)); #ifdef __KERNEL__ /* VBE CRTC Info Block */ struct vbe_crtc_ib { u16 horiz_total; u16 horiz_start; u16 horiz_end; u16 vert_total; u16 vert_start; u16 vert_end; u8 flags; u32 pixel_clock; u16 refresh_rate; u8 reserved[40]; } __attribute__ ((packed)); #define VBE_MODE_VGACOMPAT 0x20 #define VBE_MODE_COLOR 0x08 #define VBE_MODE_SUPPORTEDHW 0x01 #define VBE_MODE_GRAPHICS 0x10 #define VBE_MODE_LFB 0x80 #define VBE_MODE_MASK (VBE_MODE_COLOR | VBE_MODE_SUPPORTEDHW | \ VBE_MODE_GRAPHICS | VBE_MODE_LFB) /* VBE Mode Info Block */ struct vbe_mode_ib { /* for all VBE revisions */ u16 mode_attr; u8 winA_attr; u8 winB_attr; u16 win_granularity; u16 win_size; u16 winA_seg; u16 winB_seg; u32 win_func_ptr; u16 bytes_per_scan_line; /* for VBE 1.2+ */ u16 x_res; u16 y_res; u8 x_char_size; u8 y_char_size; u8 planes; u8 bits_per_pixel; u8 banks; u8 memory_model; u8 bank_size; u8 image_pages; u8 reserved1; /* Direct color fields for direct/6 and YUV/7 memory models. */ /* Offsets are bit positions of lsb in the mask. */ u8 red_len; u8 red_off; u8 green_len; u8 green_off; u8 blue_len; u8 blue_off; u8 rsvd_len; u8 rsvd_off; u8 direct_color_info; /* direct color mode attributes */ /* for VBE 2.0+ */ u32 phys_base_ptr; u8 reserved2[6]; /* for VBE 3.0+ */ u16 lin_bytes_per_scan_line; u8 bnk_image_pages; u8 lin_image_pages; u8 lin_red_len; u8 lin_red_off; u8 lin_green_len; u8 lin_green_off; u8 lin_blue_len; u8 lin_blue_off; u8 lin_rsvd_len; u8 lin_rsvd_off; u32 max_pixel_clock; u16 mode_id; u8 depth; } __attribute__ ((packed)); #define UVESAFB_DEFAULT_MODE "640x480-16" /* How long to wait for a reply from userspace [ms] */ #define UVESAFB_TIMEOUT 5000 /* Max number of concurrent tasks */ #define UVESAFB_TASKS_MAX 16 #define dac_reg (0x3c8) #define dac_val (0x3c9) struct uvesafb_pal_entry { u_char blue, green, red, pad; } __attribute__ ((packed)); struct uvesafb_ktask { struct uvesafb_task t; void *buf; struct completion *done; u32 ack; }; static int uvesafb_exec(struct uvesafb_ktask *tsk); #define UVESAFB_EXACT_RES 1 #define UVESAFB_EXACT_DEPTH 2 struct uvesafb_par { struct vbe_ib vbe_ib; /* VBE Info Block */ struct vbe_mode_ib *vbe_modes; /* list of supported VBE modes */ int vbe_modes_cnt; u8 nocrtc; u8 ypan; /* 0 - nothing, 1 - ypan, 2 - ywrap */ u8 pmi_setpal; /* PMI for palette changes */ u16 *pmi_base; /* protected mode interface location */ void *pmi_start; void *pmi_pal; u8 *vbe_state_orig; /* * original hardware state, before the * driver was loaded */ u8 *vbe_state_saved; /* state saved by fb_save_state */ int vbe_state_size; atomic_t ref_count; int mode_idx; struct vbe_crtc_ib crtc; }; #endif /* __KERNEL__ */ #endif /* _UVESAFB_H */ |