git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 8bdb3a2d MJ |
1 | #ifndef _UVESAFB_H |
| 2 | #define _UVESAFB_H | |
| 3 | ||
| de4d3795 JSR |
4 | #include <linux/types.h> |
| 5 | ||
| 8bdb3a2d MJ |
6 | struct v86_regs { |
| 7 | __u32 ebx; | |
| 8 | __u32 ecx; | |
| 9 | __u32 edx; | |
| 10 | __u32 esi; | |
| 11 | __u32 edi; | |
| 12 | __u32 ebp; | |
| 13 | __u32 eax; | |
| 14 | __u32 eip; | |
| 15 | __u32 eflags; | |
| 16 | __u32 esp; | |
| 17 | __u16 cs; | |
| 18 | __u16 ss; | |
| 19 | __u16 es; | |
| 20 | __u16 ds; | |
| 21 | __u16 fs; | |
| 22 | __u16 gs; | |
| 23 | }; | |
| 24 | ||
| 25 | /* Task flags */ | |
| 26 | #define TF_VBEIB 0x01 | |
| 27 | #define TF_BUF_ESDI 0x02 | |
| 28 | #define TF_BUF_ESBX 0x04 | |
| 29 | #define TF_BUF_RET 0x08 | |
| 30 | #define TF_EXIT 0x10 | |
| 31 | ||
| 32 | struct uvesafb_task { | |
| 33 | __u8 flags; | |
| 34 | int buf_len; | |
| 35 | struct v86_regs regs; | |
| 36 | }; | |
| 37 | ||
| 38 | /* Constants for the capabilities field | |
| 39 | * in vbe_ib */ | |
| 40 | #define VBE_CAP_CAN_SWITCH_DAC 0x01 | |
| 41 | #define VBE_CAP_VGACOMPAT 0x02 | |
| 42 | ||
| 43 | /* The VBE Info Block */ | |
| 44 | struct vbe_ib { | |
| 45 | char vbe_signature[4]; | |
| 46 | __u16 vbe_version; | |
| 47 | __u32 oem_string_ptr; | |
| 48 | __u32 capabilities; | |
| 49 | __u32 mode_list_ptr; | |
| 50 | __u16 total_memory; | |
| 51 | __u16 oem_software_rev; | |
| 52 | __u32 oem_vendor_name_ptr; | |
| 53 | __u32 oem_product_name_ptr; | |
| 54 | __u32 oem_product_rev_ptr; | |
| 55 | __u8 reserved[222]; | |
| 56 | char oem_data[256]; | |
| 57 | char misc_data[512]; | |
| 58 | } __attribute__ ((packed)); | |
| 59 | ||
| 60 | #ifdef __KERNEL__ | |
| 61 | ||
| 62 | /* VBE CRTC Info Block */ | |
| 63 | struct vbe_crtc_ib { | |
| 64 | u16 horiz_total; | |
| 65 | u16 horiz_start; | |
| 66 | u16 horiz_end; | |
| 67 | u16 vert_total; | |
| 68 | u16 vert_start; | |
| 69 | u16 vert_end; | |
| 70 | u8 flags; | |
| 71 | u32 pixel_clock; | |
| 72 | u16 refresh_rate; | |
| 73 | u8 reserved[40]; | |
| 74 | } __attribute__ ((packed)); | |
| 75 | ||
| 76 | #define VBE_MODE_VGACOMPAT 0x20 | |
| 77 | #define VBE_MODE_COLOR 0x08 | |
| 78 | #define VBE_MODE_SUPPORTEDHW 0x01 | |
| 79 | #define VBE_MODE_GRAPHICS 0x10 | |
| 80 | #define VBE_MODE_LFB 0x80 | |
| 81 | ||
| 82 | #define VBE_MODE_MASK (VBE_MODE_COLOR | VBE_MODE_SUPPORTEDHW | \ | |
| 83 | VBE_MODE_GRAPHICS | VBE_MODE_LFB) | |
| 84 | ||
| 85 | /* VBE Mode Info Block */ | |
| 86 | struct vbe_mode_ib { | |
| 87 | /* for all VBE revisions */ | |
| 88 | u16 mode_attr; | |
| 89 | u8 winA_attr; | |
| 90 | u8 winB_attr; | |
| 91 | u16 win_granularity; | |
| 92 | u16 win_size; | |
| 93 | u16 winA_seg; | |
| 94 | u16 winB_seg; | |
| 95 | u32 win_func_ptr; | |
| 96 | u16 bytes_per_scan_line; | |
| 97 | ||
| 98 | /* for VBE 1.2+ */ | |
| 99 | u16 x_res; | |
| 100 | u16 y_res; | |
| 101 | u8 x_char_size; | |
| 102 | u8 y_char_size; | |
| 103 | u8 planes; | |
| 104 | u8 bits_per_pixel; | |
| 105 | u8 banks; | |
| 106 | u8 memory_model; | |
| 107 | u8 bank_size; | |
| 108 | u8 image_pages; | |
| 109 | u8 reserved1; | |
| 110 | ||
| 111 | /* Direct color fields for direct/6 and YUV/7 memory models. */ | |
| 112 | /* Offsets are bit positions of lsb in the mask. */ | |
| 113 | u8 red_len; | |
| 114 | u8 red_off; | |
| 115 | u8 green_len; | |
| 116 | u8 green_off; | |
| 117 | u8 blue_len; | |
| 118 | u8 blue_off; | |
| 119 | u8 rsvd_len; | |
| 120 | u8 rsvd_off; | |
| 121 | u8 direct_color_info; /* direct color mode attributes */ | |
| 122 | ||
| 123 | /* for VBE 2.0+ */ | |
| 124 | u32 phys_base_ptr; | |
| 125 | u8 reserved2[6]; | |
| 126 | ||
| 127 | /* for VBE 3.0+ */ | |
| 128 | u16 lin_bytes_per_scan_line; | |
| 129 | u8 bnk_image_pages; | |
| 130 | u8 lin_image_pages; | |
| 131 | u8 lin_red_len; | |
| 132 | u8 lin_red_off; | |
| 133 | u8 lin_green_len; | |
| 134 | u8 lin_green_off; | |
| 135 | u8 lin_blue_len; | |
| 136 | u8 lin_blue_off; | |
| 137 | u8 lin_rsvd_len; | |
| 138 | u8 lin_rsvd_off; | |
| 139 | u32 max_pixel_clock; | |
| 140 | u16 mode_id; | |
| 141 | u8 depth; | |
| 142 | } __attribute__ ((packed)); | |
| 143 | ||
| 144 | #define UVESAFB_DEFAULT_MODE "640x480-16" | |
| 145 | ||
| 146 | /* How long to wait for a reply from userspace [ms] */ | |
| 147 | #define UVESAFB_TIMEOUT 5000 | |
| 148 | ||
| 149 | /* Max number of concurrent tasks */ | |
| 150 | #define UVESAFB_TASKS_MAX 16 | |
| 151 | ||
| 152 | #define dac_reg (0x3c8) | |
| 153 | #define dac_val (0x3c9) | |
| 154 | ||
| 155 | struct uvesafb_pal_entry { | |
| 156 | u_char blue, green, red, pad; | |
| 157 | } __attribute__ ((packed)); | |
| 158 | ||
| 159 | struct uvesafb_ktask { | |
| 160 | struct uvesafb_task t; | |
| 161 | void *buf; | |
| 162 | struct completion *done; | |
| 163 | u32 ack; | |
| 164 | }; | |
| 165 | ||
| 166 | static int uvesafb_exec(struct uvesafb_ktask *tsk); | |
| 167 | ||
| 168 | #define UVESAFB_EXACT_RES 1 | |
| 169 | #define UVESAFB_EXACT_DEPTH 2 | |
| 170 | ||
| 171 | struct uvesafb_par { | |
| 172 | struct vbe_ib vbe_ib; /* VBE Info Block */ | |
| 173 | struct vbe_mode_ib *vbe_modes; /* list of supported VBE modes */ | |
| 174 | int vbe_modes_cnt; | |
| 175 | ||
| 176 | u8 nocrtc; | |
| 177 | u8 ypan; /* 0 - nothing, 1 - ypan, 2 - ywrap */ | |
| 178 | u8 pmi_setpal; /* PMI for palette changes */ | |
| 179 | u16 *pmi_base; /* protected mode interface location */ | |
| 180 | void *pmi_start; | |
| 181 | void *pmi_pal; | |
| 182 | u8 *vbe_state_orig; /* | |
| 183 | * original hardware state, before the | |
| 184 | * driver was loaded | |
| 185 | */ | |
| 186 | u8 *vbe_state_saved; /* state saved by fb_save_state */ | |
| 187 | int vbe_state_size; | |
| 188 | atomic_t ref_count; | |
| 189 | ||
| 190 | int mode_idx; | |
| 191 | struct vbe_crtc_ib crtc; | |
| 192 | }; | |
| 193 | ||
| 194 | #endif /* __KERNEL__ */ | |
| 195 | #endif /* _UVESAFB_H */ |