| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _UVESAFB_H | |
| #define _UVESAFB_H | |
| #include <uapi/video/uvesafb.h> | |
| /* 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; | |
| int mtrr_handle; | |
| }; | |
| #endif /* _UVESAFB_H */ |