video/fbdev/amifb.c

2591 static void bitcpy(unsigned long *dst, int dst_idx, const unsigned long *src,
2595 	int shift = dst_idx - src_idx, left, right;
2602 	shift = dst_idx - src_idx;
2603 	first = ~0UL >> dst_idx;
2604 	last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));
2609 		if (dst_idx + n <= BITS_PER_LONG) {
2621 				n -= BITS_PER_LONG - dst_idx;
2650 		if (dst_idx + n <= BITS_PER_LONG) {
2675 				n -= BITS_PER_LONG - dst_idx;
2683 				n -= BITS_PER_LONG - dst_idx;
2731 static void bitcpy_rev(unsigned long *dst, int dst_idx,
2735 	int shift = dst_idx - src_idx, left, right;
2745 		dst_idx += (n - 1) % BITS_PER_LONG;
2746 		dst += dst_idx >> SHIFT_PER_LONG;
2747 		dst_idx &= BITS_PER_LONG - 1;
2753 	shift = dst_idx - src_idx;
2754 	first = ~0UL << (BITS_PER_LONG - 1 - dst_idx);
2755 	last = ~(~0UL << (BITS_PER_LONG - 1 - ((dst_idx - n) % BITS_PER_LONG)));
2760 		if ((unsigned long)dst_idx + 1 >= n) {
2772 				n -= dst_idx + 1;
2801 		if ((unsigned long)dst_idx + 1 >= n) {
2826 				n -= dst_idx + 1;
2834 				n -= dst_idx + 1;
2883 static void bitcpy_not(unsigned long *dst, int dst_idx,
2887 	int shift = dst_idx - src_idx, left, right;
2894 	shift = dst_idx - src_idx;
2895 	first = ~0UL >> dst_idx;
2896 	last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));
2901 		if (dst_idx + n <= BITS_PER_LONG) {
2913 				n -= BITS_PER_LONG - dst_idx;
2942 		if (dst_idx + n <= BITS_PER_LONG) {
2967 				n -= BITS_PER_LONG - dst_idx;
2975 				n -= BITS_PER_LONG - dst_idx;
3023 static void bitfill32(unsigned long *dst, int dst_idx, u32 pat, u32 n)
3035 	first = ~0UL >> dst_idx;
3036 	last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));
3038 	if (dst_idx + n <= BITS_PER_LONG) {
3049 			n -= BITS_PER_LONG - dst_idx;
3079 static void bitxor32(unsigned long *dst, int dst_idx, u32 pat, u32 n)
3091 	first = ~0UL >> dst_idx;
3092 	last = ~(~0UL >> ((dst_idx + n) % BITS_PER_LONG));
3094 	if (dst_idx + n <= BITS_PER_LONG) {
3105 			n -= BITS_PER_LONG - dst_idx;
3127 				 unsigned long *dst, int dst_idx, u32 n,
3131 		dst += dst_idx >> SHIFT_PER_LONG;
3132 		dst_idx &= (BITS_PER_LONG - 1);
3133 		bitfill32(dst, dst_idx, color & 1 ? ~0 : 0, n);
3137 		dst_idx += next_plane * 8;
3142 				unsigned long *dst, int dst_idx, u32 n,
3146 		dst += dst_idx >> SHIFT_PER_LONG;
3147 		dst_idx &= (BITS_PER_LONG - 1);
3148 		bitxor32(dst, dst_idx, color & 1 ? ~0 : 0, n);
3152 		dst_idx += next_plane * 8;
3161 	int dst_idx, x2, y2;
3181 	dst_idx = ((unsigned long)info->screen_base & (BYTES_PER_LONG - 1)) * 8;
3182 	dst_idx += rect->dy * par->next_line * 8 + rect->dx;
3187 				      par->next_plane, dst, dst_idx, width,
3193 				     dst, dst_idx, width, rect->color);
3196 		dst_idx += par->next_line * 8;
3201 				 unsigned long *dst, int dst_idx,
3205 		dst += dst_idx >> SHIFT_PER_LONG;
3206 		dst_idx &= (BITS_PER_LONG - 1);
3209 		bitcpy(dst, dst_idx, src, src_idx, n);
3212 		dst_idx += next_plane * 8;
3218 				     unsigned long *dst, int dst_idx,
3222 		dst += dst_idx >> SHIFT_PER_LONG;
3223 		dst_idx &= (BITS_PER_LONG - 1);
3226 		bitcpy_rev(dst, dst_idx, src, src_idx, n);
3229 		dst_idx += next_plane * 8;
3242 	int dst_idx, src_idx;
3275 	dst_idx = ((unsigned long)info->screen_base & (BYTES_PER_LONG - 1)) * 8;
3276 	src_idx = dst_idx;
3277 	dst_idx += dy * par->next_line * 8 + dx;
3281 			dst_idx -= par->next_line * 8;
3284 					  par->next_plane, dst, dst_idx, src,
3290 				      par->next_plane, dst, dst_idx, src,
3292 			dst_idx += par->next_line * 8;
3300 				   unsigned long *dst, int dst_idx, u32 n,
3307 		dst += dst_idx >> SHIFT_PER_LONG;
3308 		dst_idx &= (BITS_PER_LONG - 1);
3314 				bitcpy(dst, dst_idx, src, src_idx, n);
3316 				bitcpy_not(dst, dst_idx, src, src_idx, n);
3319 			bitfill32(dst, dst_idx, fgcolor & 1 ? ~0 : 0, n);
3324 		dst_idx += next_plane * 8;
3334 	int dst_idx;
3355 		dst_idx = ((unsigned long)info->screen_base & (BYTES_PER_LONG - 1)) * 8;
3356 		dst_idx += dy * par->next_line * 8 + dx;
3361 					par->next_plane, dst, dst_idx, width,
3364 			dst_idx += par->next_line * 8;