2  *  linux/drivers/video/iplan2p4.c -- Low level frame buffer operations for
46 	if (!((sx ^ dx) & 15)) {  in atafb_iplan2p4_copyarea()
47 		/* odd->odd or even->even */  in atafb_iplan2p4_copyarea()
50 			src = (u8 *)info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL);  in atafb_iplan2p4_copyarea()
51 			dst = (u8 *)info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL);  in atafb_iplan2p4_copyarea()
52 			if (sx & 15) {  in atafb_iplan2p4_copyarea()
53 				memmove32_col(dst, src, 0xff00ff, height, next_line - BPL * 2);  in atafb_iplan2p4_copyarea()
56 				width -= 8;  in atafb_iplan2p4_copyarea()
63 				l = next_line - w * 4;  in atafb_iplan2p4_copyarea()
64 				for (j = height; j > 0; j--) {  in atafb_iplan2p4_copyarea()
65 					for (i = w; i > 0; i--)  in atafb_iplan2p4_copyarea()
71 			if (width & 15)  in atafb_iplan2p4_copyarea()
73 					      0xff00ff00, height, next_line - BPL * 2);  in atafb_iplan2p4_copyarea()
75 			src = (u8 *)info->screen_base + (sy - 1) * next_line + ((sx + width + 8) & ~15) / (8 / BPL);  in atafb_iplan2p4_copyarea()
76 			dst = (u8 *)info->screen_base + (dy - 1) * next_line + ((dx + width + 8) & ~15) / (8 / BPL);  in atafb_iplan2p4_copyarea()
78 			if ((sx + width) & 15) {  in atafb_iplan2p4_copyarea()
79 				src -= BPL * 2;  in atafb_iplan2p4_copyarea()
80 				dst -= BPL * 2;  in atafb_iplan2p4_copyarea()
81 				memmove32_col(dst, src, 0xff00ff00, colsize, -next_line - BPL * 2);  in atafb_iplan2p4_copyarea()
82 				width -= 8;  in atafb_iplan2p4_copyarea()
89 				l = next_line - w * 4;  in atafb_iplan2p4_copyarea()
90 				for (j = height; j > 0; j--) {  in atafb_iplan2p4_copyarea()
91 					for (i = w; i > 0; i--)  in atafb_iplan2p4_copyarea()
92 						*--d = *--s;  in atafb_iplan2p4_copyarea()
93 					s = (u32 *)((u8 *)s - l);  in atafb_iplan2p4_copyarea()
94 					d = (u32 *)((u8 *)d - l);  in atafb_iplan2p4_copyarea()
97 			if (sx & 15)  in atafb_iplan2p4_copyarea()
98 				memmove32_col(dst - (width - 16) / (8 / BPL),  in atafb_iplan2p4_copyarea()
99 					      src - (width - 16) / (8 / BPL),  in atafb_iplan2p4_copyarea()
100 					      0xff00ff, colsize, -next_line - BPL * 2);  in atafb_iplan2p4_copyarea()
103 		/* odd->even or even->odd */  in atafb_iplan2p4_copyarea()
106 			u32 pval[4], v, v1, mask;  in atafb_iplan2p4_copyarea()  local
109 			src = (u8 *)info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL);  in atafb_iplan2p4_copyarea()
110 			dst = (u8 *)info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL);  in atafb_iplan2p4_copyarea()
115 			if (sx & 15) {  in atafb_iplan2p4_copyarea()
119 			if ((sx + width) & 15)  in atafb_iplan2p4_copyarea()
122 			for (i = height; i; i--) {  in atafb_iplan2p4_copyarea()
134 				for (j = w; j > 0; j--) {  in atafb_iplan2p4_copyarea()
135 					v = *src32++;  in atafb_iplan2p4_copyarea()
136 					v1 = v & mask;  in atafb_iplan2p4_copyarea()
138 					pval[0] = (v ^ v1) << 8;  in atafb_iplan2p4_copyarea()
139 					v = *src32++;  in atafb_iplan2p4_copyarea()
140 					v1 = v & mask;  in atafb_iplan2p4_copyarea()
142 					pval[1] = (v ^ v1) << 8;  in atafb_iplan2p4_copyarea()
155 			u32 pval[4], v, v1, mask;  in atafb_iplan2p4_copyarea()  local
158 			src = (u8 *)info->screen_base + (sy - 1) * next_line + ((sx + width + 8) & ~15) / (8 / BPL);  in atafb_iplan2p4_copyarea()
159 			dst = (u8 *)info->screen_base + (dy - 1) * next_line + ((dx + width + 8) & ~15) / (8 / BPL);  in atafb_iplan2p4_copyarea()
164 			if ((dx + width) & 15)  in atafb_iplan2p4_copyarea()
166 			if (sx & 15) {  in atafb_iplan2p4_copyarea()
171 			for (i = height; i; i--) {  in atafb_iplan2p4_copyarea()
176 					pval[0] = dst32[-1] & mask;  in atafb_iplan2p4_copyarea()
177 					pval[1] = dst32[-2] & mask;  in atafb_iplan2p4_copyarea()
179 					pval[0] = (*--src32 >> 8) & mask;  in atafb_iplan2p4_copyarea()
180 					pval[1] = (*--src32 >> 8) & mask;  in atafb_iplan2p4_copyarea()
183 				for (j = w; j > 0; j--) {  in atafb_iplan2p4_copyarea()
184 					v = *--src32;  in atafb_iplan2p4_copyarea()
185 					v1 = v & mask;  in atafb_iplan2p4_copyarea()
186 					*--dst32 = pval[0] | (v1 << 8);  in atafb_iplan2p4_copyarea()
187 					pval[0] = (v ^ v1) >> 8;  in atafb_iplan2p4_copyarea()
188 					v = *--src32;  in atafb_iplan2p4_copyarea()
189 					v1 = v & mask;  in atafb_iplan2p4_copyarea()
190 					*--dst32 = pval[1] | (v1 << 8);  in atafb_iplan2p4_copyarea()
191 					pval[1] = (v ^ v1) >> 8;  in atafb_iplan2p4_copyarea()
195 					dst32[-1] = (dst32[-1] & mask) | pval[0];  in atafb_iplan2p4_copyarea()
196 					dst32[-2] = (dst32[-2] & mask) | pval[1];  in atafb_iplan2p4_copyarea()
199 				src -= next_line;  in atafb_iplan2p4_copyarea()
200 				dst -= next_line;  in atafb_iplan2p4_copyarea()
213 	dest = (u32 *)(info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL));  in atafb_iplan2p4_fillrect()
214 	if (sx & 15) {  in atafb_iplan2p4_fillrect()
219 		for (i = height; i; i--) {  in atafb_iplan2p4_fillrect()
224 		width -= 8;  in atafb_iplan2p4_fillrect()
231 		u32 off = next_line - rows * BPL * 2;  in atafb_iplan2p4_fillrect()
232 		for (i = height; i; i--) {  in atafb_iplan2p4_fillrect()
237 		width &= 15;  in atafb_iplan2p4_fillrect()
245 		for (i = height; i; i--) {  in atafb_iplan2p4_fillrect()
261 	dest = (u32 *)(info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL));  in atafb_iplan2p4_linefill()
262 	if (dx & 15) {  in atafb_iplan2p4_linefill()
265 		width -= 8;  in atafb_iplan2p4_linefill()
272 		for (rows = width / 16; rows; rows--) {  in atafb_iplan2p4_linefill()
280 		width &= 15;  in atafb_iplan2p4_linefill()