14 static void bochs_vga_writeb(struct bochs_device *bochs, u16 ioport, u8 val)  in bochs_vga_writeb()  argument
19 	if (bochs->mmio) {  in bochs_vga_writeb()
21 		writeb(val, bochs->mmio + offset);  in bochs_vga_writeb()
27 static u16 bochs_dispi_read(struct bochs_device *bochs, u16 reg)  in bochs_dispi_read()  argument
31 	if (bochs->mmio) {  in bochs_dispi_read()
33 		ret = readw(bochs->mmio + offset);  in bochs_dispi_read()
41 static void bochs_dispi_write(struct bochs_device *bochs, u16 reg, u16 val)  in bochs_dispi_write()  argument
43 	if (bochs->mmio) {  in bochs_dispi_write()
45 		writew(val, bochs->mmio + offset);  in bochs_dispi_write()
52 static void bochs_hw_set_big_endian(struct bochs_device *bochs)  in bochs_hw_set_big_endian()  argument
54 	if (bochs->qext_size < 8)  in bochs_hw_set_big_endian()
57 	writel(0xbebebebe, bochs->mmio + 0x604);  in bochs_hw_set_big_endian()
60 static void bochs_hw_set_little_endian(struct bochs_device *bochs)  in bochs_hw_set_little_endian()  argument
62 	if (bochs->qext_size < 8)  in bochs_hw_set_little_endian()
65 	writel(0x1e1e1e1e, bochs->mmio + 0x604);  in bochs_hw_set_little_endian()
77 	struct bochs_device *bochs = data;  in bochs_get_edid_block()  local
84 		buf[i] = readb(bochs->mmio + start + i);  in bochs_get_edid_block()
89 int bochs_hw_load_edid(struct bochs_device *bochs)  in bochs_hw_load_edid()  argument
93 	if (!bochs->mmio)  in bochs_hw_load_edid()
97 	bochs_get_edid_block(bochs, header, 0, ARRAY_SIZE(header));  in bochs_hw_load_edid()
101 	kfree(bochs->edid);  in bochs_hw_load_edid()
102 	bochs->edid = drm_do_get_edid(&bochs->connector,  in bochs_hw_load_edid()
103 				      bochs_get_edid_block, bochs);  in bochs_hw_load_edid()
104 	if (bochs->edid == NULL)  in bochs_hw_load_edid()
112 	struct bochs_device *bochs = dev->dev_private;  in bochs_hw_init()  local
125 		bochs->mmio = ioremap(ioaddr, iosize);  in bochs_hw_init()
126 		if (bochs->mmio == NULL) {  in bochs_hw_init()
137 		bochs->ioports = 1;  in bochs_hw_init()
140 	id = bochs_dispi_read(bochs, VBE_DISPI_INDEX_ID);  in bochs_hw_init()
141 	mem = bochs_dispi_read(bochs, VBE_DISPI_INDEX_VIDEO_MEMORY_64K)  in bochs_hw_init()
163 	bochs->fb_map = ioremap(addr, size);  in bochs_hw_init()
164 	if (bochs->fb_map == NULL) {  in bochs_hw_init()
168 	bochs->fb_base = addr;  in bochs_hw_init()
169 	bochs->fb_size = size;  in bochs_hw_init()
174 		 bochs->ioports ? "ioports" : "mmio",  in bochs_hw_init()
177 	if (bochs->mmio && pdev->revision >= 2) {  in bochs_hw_init()
178 		bochs->qext_size = readl(bochs->mmio + 0x600);  in bochs_hw_init()
179 		if (bochs->qext_size < 4 || bochs->qext_size > iosize) {  in bochs_hw_init()
180 			bochs->qext_size = 0;  in bochs_hw_init()
184 			  bochs->qext_size);  in bochs_hw_init()
185 		bochs_hw_set_native_endian(bochs);  in bochs_hw_init()
194 	struct bochs_device *bochs = dev->dev_private;  in bochs_hw_fini()  local
198 	if (bochs->mmio)  in bochs_hw_fini()
199 		iounmap(bochs->mmio);  in bochs_hw_fini()
200 	if (bochs->ioports)  in bochs_hw_fini()
202 	if (bochs->fb_map)  in bochs_hw_fini()
203 		iounmap(bochs->fb_map);  in bochs_hw_fini()
205 	kfree(bochs->edid);  in bochs_hw_fini()
208 void bochs_hw_setmode(struct bochs_device *bochs,  in bochs_hw_setmode()  argument
213 	if (!drm_dev_enter(bochs->dev, &idx))  in bochs_hw_setmode()
216 	bochs->xres = mode->hdisplay;  in bochs_hw_setmode()
217 	bochs->yres = mode->vdisplay;  in bochs_hw_setmode()
218 	bochs->bpp = 32;  in bochs_hw_setmode()
219 	bochs->stride = mode->hdisplay * (bochs->bpp / 8);  in bochs_hw_setmode()
220 	bochs->yres_virtual = bochs->fb_size / bochs->stride;  in bochs_hw_setmode()
223 			 bochs->xres, bochs->yres, bochs->bpp,  in bochs_hw_setmode()
224 			 bochs->yres_virtual);  in bochs_hw_setmode()
226 	bochs_vga_writeb(bochs, 0x3c0, 0x20); /* unblank */  in bochs_hw_setmode()
228 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_ENABLE,      0);  in bochs_hw_setmode()
229 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_BPP,         bochs->bpp);  in bochs_hw_setmode()
230 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_XRES,        bochs->xres);  in bochs_hw_setmode()
231 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_YRES,        bochs->yres);  in bochs_hw_setmode()
232 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_BANK,        0);  in bochs_hw_setmode()
233 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_VIRT_WIDTH,  bochs->xres);  in bochs_hw_setmode()
234 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_VIRT_HEIGHT,  in bochs_hw_setmode()
235 			  bochs->yres_virtual);  in bochs_hw_setmode()
236 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_X_OFFSET,    0);  in bochs_hw_setmode()
237 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_Y_OFFSET,    0);  in bochs_hw_setmode()
239 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_ENABLE,  in bochs_hw_setmode()
245 void bochs_hw_setformat(struct bochs_device *bochs,  in bochs_hw_setformat()  argument
250 	if (!drm_dev_enter(bochs->dev, &idx))  in bochs_hw_setformat()
261 		bochs_hw_set_little_endian(bochs);  in bochs_hw_setformat()
264 		bochs_hw_set_big_endian(bochs);  in bochs_hw_setformat()
276 void bochs_hw_setbase(struct bochs_device *bochs,  in bochs_hw_setbase()  argument
282 	if (!drm_dev_enter(bochs->dev, &idx))  in bochs_hw_setbase()
285 	bochs->stride = stride;  in bochs_hw_setbase()
287 		y * bochs->stride +  in bochs_hw_setbase()
288 		x * (bochs->bpp / 8);  in bochs_hw_setbase()
289 	vy = offset / bochs->stride;  in bochs_hw_setbase()
290 	vx = (offset % bochs->stride) * 8 / bochs->bpp;  in bochs_hw_setbase()
291 	vwidth = stride * 8 / bochs->bpp;  in bochs_hw_setbase()
295 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_VIRT_WIDTH, vwidth);  in bochs_hw_setbase()
296 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_X_OFFSET, vx);  in bochs_hw_setbase()
297 	bochs_dispi_write(bochs, VBE_DISPI_INDEX_Y_OFFSET, vy);  in bochs_hw_setbase()