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https://github.com/torvalds/linux
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03b0f2ce73
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100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#include <linux/io.h>
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#include <linux/console.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_crtc_helper.h>
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#include <drm/drm_encoder.h>
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#include <drm/drm_fb_helper.h>
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#include <drm/drm_gem.h>
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#include <drm/drm_gem_vram_helper.h>
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#include <drm/drm_simple_kms_helper.h>
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#include <drm/drm_vram_mm_helper.h>
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/* ---------------------------------------------------------------------- */
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#define VBE_DISPI_IOPORT_INDEX 0x01CE
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#define VBE_DISPI_IOPORT_DATA 0x01CF
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#define VBE_DISPI_INDEX_ID 0x0
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#define VBE_DISPI_INDEX_XRES 0x1
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#define VBE_DISPI_INDEX_YRES 0x2
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#define VBE_DISPI_INDEX_BPP 0x3
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#define VBE_DISPI_INDEX_ENABLE 0x4
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#define VBE_DISPI_INDEX_BANK 0x5
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#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
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#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
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#define VBE_DISPI_INDEX_X_OFFSET 0x8
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#define VBE_DISPI_INDEX_Y_OFFSET 0x9
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#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
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#define VBE_DISPI_ID0 0xB0C0
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#define VBE_DISPI_ID1 0xB0C1
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#define VBE_DISPI_ID2 0xB0C2
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#define VBE_DISPI_ID3 0xB0C3
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#define VBE_DISPI_ID4 0xB0C4
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#define VBE_DISPI_ID5 0xB0C5
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#define VBE_DISPI_DISABLED 0x00
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#define VBE_DISPI_ENABLED 0x01
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#define VBE_DISPI_GETCAPS 0x02
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#define VBE_DISPI_8BIT_DAC 0x20
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#define VBE_DISPI_LFB_ENABLED 0x40
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#define VBE_DISPI_NOCLEARMEM 0x80
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/* ---------------------------------------------------------------------- */
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enum bochs_types {
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BOCHS_QEMU_STDVGA,
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BOCHS_UNKNOWN,
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};
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struct bochs_device {
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/* hw */
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void __iomem *mmio;
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int ioports;
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void __iomem *fb_map;
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unsigned long fb_base;
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unsigned long fb_size;
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unsigned long qext_size;
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/* mode */
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u16 xres;
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u16 yres;
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u16 yres_virtual;
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u32 stride;
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u32 bpp;
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struct edid *edid;
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/* drm */
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struct drm_device *dev;
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struct drm_simple_display_pipe pipe;
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struct drm_connector connector;
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};
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/* ---------------------------------------------------------------------- */
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/* bochs_hw.c */
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int bochs_hw_init(struct drm_device *dev);
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void bochs_hw_fini(struct drm_device *dev);
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void bochs_hw_setmode(struct bochs_device *bochs,
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struct drm_display_mode *mode);
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void bochs_hw_setformat(struct bochs_device *bochs,
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const struct drm_format_info *format);
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void bochs_hw_setbase(struct bochs_device *bochs,
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int x, int y, int stride, u64 addr);
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int bochs_hw_load_edid(struct bochs_device *bochs);
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/* bochs_mm.c */
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int bochs_mm_init(struct bochs_device *bochs);
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void bochs_mm_fini(struct bochs_device *bochs);
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/* bochs_kms.c */
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int bochs_kms_init(struct bochs_device *bochs);
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void bochs_kms_fini(struct bochs_device *bochs);
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/* bochs_fbdev.c */
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extern const struct drm_mode_config_funcs bochs_mode_funcs;
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