21 #define VBE_DISPI_IOPORT_INDEX           0x01CE
22 #define VBE_DISPI_IOPORT_DATA            0x01CF
24 #define VBE_DISPI_INDEX_ID               0x0
25 #define VBE_DISPI_INDEX_XRES             0x1
26 #define VBE_DISPI_INDEX_YRES             0x2
27 #define VBE_DISPI_INDEX_BPP              0x3
28 #define VBE_DISPI_INDEX_ENABLE           0x4
29 #define VBE_DISPI_INDEX_BANK             0x5
30 #define VBE_DISPI_INDEX_VIRT_WIDTH       0x6
31 #define VBE_DISPI_INDEX_VIRT_HEIGHT      0x7
32 #define VBE_DISPI_INDEX_X_OFFSET         0x8
33 #define VBE_DISPI_INDEX_Y_OFFSET         0x9
34 #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
36 #define VBE_DISPI_ID0                    0xB0C0
37 #define VBE_DISPI_ID1                    0xB0C1
38 #define VBE_DISPI_ID2                    0xB0C2
39 #define VBE_DISPI_ID3                    0xB0C3
40 #define VBE_DISPI_ID4                    0xB0C4
41 #define VBE_DISPI_ID5                    0xB0C5
43 #define VBE_DISPI_DISABLED               0x00
44 #define VBE_DISPI_ENABLED                0x01
45 #define VBE_DISPI_GETCAPS                0x02
46 #define VBE_DISPI_8BIT_DAC               0x20
47 #define VBE_DISPI_LFB_ENABLED            0x40
48 #define VBE_DISPI_NOCLEARMEM             0x80
96 	if (WARN_ON(ioport < 0x3c0 || ioport > 0x3df))  in bochs_vga_writeb()
100 		int offset = ioport - 0x3c0 + 0x400;  in bochs_vga_writeb()
110 	if (WARN_ON(ioport < 0x3c0 || ioport > 0x3df))  in bochs_vga_readb()
111 		return 0xff;  in bochs_vga_readb()
114 		int offset = ioport - 0x3c0 + 0x400;  in bochs_vga_readb()
124 	u16 ret = 0;  in bochs_dispi_read()
127 		int offset = 0x500 + (reg << 1);  in bochs_dispi_read()
140 		int offset = 0x500 + (reg << 1);  in bochs_dispi_write()
154 	writel(0xbebebebe, bochs->mmio + 0x604);  in bochs_hw_set_big_endian()
162 	writel(0x1e1e1e1e, bochs->mmio + 0x604);  in bochs_hw_set_little_endian()
177 	if (start + len > 0x400 /* vga register offset */)  in bochs_get_edid_block()
180 	for (i = 0; i < len; i++)  in bochs_get_edid_block()
183 	return 0;  in bochs_get_edid_block()
194 	bochs_get_edid_block(bochs, header, 0, ARRAY_SIZE(header));  in bochs_hw_load_edid()
204 	return 0;  in bochs_hw_load_edid()
216 		if (pci_request_region(pdev, 2, "bochs-drm") != 0) {  in bochs_hw_init()
240 	if ((id & 0xfff0) != VBE_DISPI_ID0) {  in bochs_hw_init()
245 	if ((pdev->resource[0].flags & IORESOURCE_MEM) == 0)  in bochs_hw_init()
247 	addr = pci_resource_start(pdev, 0);  in bochs_hw_init()
248 	size = pci_resource_len(pdev, 0);  in bochs_hw_init()
249 	if (addr == 0)  in bochs_hw_init()
257 	if (pci_request_region(pdev, 0, "bochs-drm") != 0)  in bochs_hw_init()
268 	DRM_INFO("Found bochs VGA, ID 0x%x.\n", id);  in bochs_hw_init()
269 	DRM_INFO("Framebuffer size %ld kB @ 0x%lx, %s @ 0x%lx.\n",  in bochs_hw_init()
275 		bochs->qext_size = readl(bochs->mmio + 0x600);  in bochs_hw_init()
277 			bochs->qext_size = 0;  in bochs_hw_init()
286 	return 0;  in bochs_hw_init()
310 	/* blank or unblank; we need only update index and set 0x20 */  in bochs_hw_blank()
311 	bochs_vga_writeb(bochs, VGA_ATT_W, blank ? 0 : 0x20);  in bochs_hw_blank()
333 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_ENABLE,      0);  in bochs_hw_setmode()
337 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_BANK,        0);  in bochs_hw_setmode()
341 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_X_OFFSET,    0);  in bochs_hw_setmode()
342 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_Y_OFFSET,    0);  in bochs_hw_setmode()
358 			 (format->format >>  0) & 0xff,  in bochs_hw_setformat()
359 			 (format->format >>  8) & 0xff,  in bochs_hw_setformat()
360 			 (format->format >> 16) & 0xff,  in bochs_hw_setformat()
361 			 (format->format >> 24) & 0xff);  in bochs_hw_setformat()
372 		DRM_ERROR("%s: Huh? Got framebuffer format 0x%x",  in bochs_hw_setformat()
420 	gbo = drm_gem_vram_of_gem(state->fb->obj[0]);  in bochs_plane_update()
422 	if (WARN_ON_ONCE(gpu_addr < 0))  in bochs_plane_update()
428 			 state->fb->pitches[0],  in bochs_plane_update()
429 			 state->fb->offsets[0] + gpu_addr);  in bochs_plane_update()
470 	int count = 0;  in bochs_connector_get_modes()
542 	bochs->dev->mode_config.prefer_shadow = 0;  in bochs_kms_init()
559 	return 0;  in bochs_kms_init()
588 	return 0;  in bochs_load()
600 	.minor			= 0,
637 	fbsize = pci_resource_len(pdev, 0);  in bochs_pci_probe()
661 	ret = drm_dev_register(dev, 0);  in bochs_pci_probe()
685 		.vendor      = 0x1234,
686 		.device      = 0x1111,
692 		.vendor      = 0x1234,
693 		.device      = 0x1111,
717 	if (bochs_modeset == 0)  in bochs_init()