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/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/io.h>
#include <linux/console.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_vram_helper.h>
#include <drm/drm_simple_kms_helper.h>
/* ---------------------------------------------------------------------- */
#define VBE_DISPI_IOPORT_INDEX 0x01CE
#define VBE_DISPI_IOPORT_DATA 0x01CF
#define VBE_DISPI_INDEX_ID 0x0
#define VBE_DISPI_INDEX_XRES 0x1
#define VBE_DISPI_INDEX_YRES 0x2
#define VBE_DISPI_INDEX_BPP 0x3
#define VBE_DISPI_INDEX_ENABLE 0x4
#define VBE_DISPI_INDEX_BANK 0x5
#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
#define VBE_DISPI_INDEX_X_OFFSET 0x8
#define VBE_DISPI_INDEX_Y_OFFSET 0x9
#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
#define VBE_DISPI_ID0 0xB0C0
#define VBE_DISPI_ID1 0xB0C1
#define VBE_DISPI_ID2 0xB0C2
#define VBE_DISPI_ID3 0xB0C3
#define VBE_DISPI_ID4 0xB0C4
#define VBE_DISPI_ID5 0xB0C5
#define VBE_DISPI_DISABLED 0x00
#define VBE_DISPI_ENABLED 0x01
#define VBE_DISPI_GETCAPS 0x02
#define VBE_DISPI_8BIT_DAC 0x20
#define VBE_DISPI_LFB_ENABLED 0x40
#define VBE_DISPI_NOCLEARMEM 0x80
/* ---------------------------------------------------------------------- */
enum bochs_types {
BOCHS_QEMU_STDVGA,
BOCHS_UNKNOWN,
};
struct bochs_device {
/* hw */
void __iomem *mmio;
int ioports;
void __iomem *fb_map;
unsigned long fb_base;
unsigned long fb_size;
unsigned long qext_size;
/* mode */
u16 xres;
u16 yres;
u16 yres_virtual;
u32 stride;
u32 bpp;
struct edid *edid;
/* drm */
struct drm_device *dev;
struct drm_simple_display_pipe pipe;
struct drm_connector connector;
};
/* ---------------------------------------------------------------------- */
/* bochs_hw.c */
int bochs_hw_init(struct drm_device *dev);
void bochs_hw_fini(struct drm_device *dev);
void bochs_hw_blank(struct bochs_device *bochs, bool blank);
void bochs_hw_setmode(struct bochs_device *bochs,
struct drm_display_mode *mode);
void bochs_hw_setformat(struct bochs_device *bochs,
const struct drm_format_info *format);
void bochs_hw_setbase(struct bochs_device *bochs,
int x, int y, int stride, u64 addr);
int bochs_hw_load_edid(struct bochs_device *bochs);
/* bochs_mm.c */
int bochs_mm_init(struct bochs_device *bochs);
void bochs_mm_fini(struct bochs_device *bochs);
/* bochs_kms.c */
int bochs_kms_init(struct bochs_device *bochs);
/* bochs_fbdev.c */
extern const struct drm_mode_config_funcs bochs_mode_funcs;
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