| /* 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> |
| #include <drm/drm_vram_mm_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_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); |
| void bochs_kms_fini(struct bochs_device *bochs); |
| |
| /* bochs_fbdev.c */ |
| extern const struct drm_mode_config_funcs bochs_mode_funcs; |