^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * linux/drivers/video/iplan2p8.c -- Low level frame buffer operations for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * interleaved bitplanes à la Atari (8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * planes, 2 bytes interleave)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Created 5 Apr 1997 by Geert Uytterhoeven
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * License. See the file COPYING in the main directory of this archive for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/fb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <asm/setup.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "atafb.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define BPL 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include "atafb_utils.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /* Copies a 8 plane column from 's', height 'h', to 'd'. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /* This expands a 8 bit color into two longs for two movepl (8 plane)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * operations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) void atafb_iplan2p8_copyarea(struct fb_info *info, u_long next_line,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) int sy, int sx, int dy, int dx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int height, int width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /* bmove() has to distinguish two major cases: If both, source and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * destination, start at even addresses or both are at odd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * addresses, just the first odd and last even column (if present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * require special treatment (memmove_col()). The rest between
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * then can be copied by normal operations, because all adjacent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * bytes are affected and are to be stored in the same order.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * The pathological case is when the move should go from an odd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * address to an even or vice versa. Since the bytes in the plane
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * words must be assembled in new order, it seems wisest to make
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * all movements by memmove_col().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) u8 *src, *dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) u32 *s, *d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) int w, l , i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) u_int colsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) u_int upwards = (dy < sy) || (dy == sy && dx < sx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) colsize = height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) if (!((sx ^ dx) & 15)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* odd->odd or even->even */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (upwards) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) src = (u8 *)info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) dst = (u8 *)info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (sx & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) memmove32_col(dst, src, 0xff00ff, height, next_line - BPL * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) src += BPL * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) dst += BPL * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) width -= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) w = width >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (w) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) s = (u32 *)src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) d = (u32 *)dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) w *= BPL / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) l = next_line - w * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) for (j = height; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) for (i = w; i > 0; i--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) *d++ = *s++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) s = (u32 *)((u8 *)s + l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) d = (u32 *)((u8 *)d + l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (width & 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) memmove32_col(dst + width / (8 / BPL), src + width / (8 / BPL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 0xff00ff00, height, next_line - BPL * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) src = (u8 *)info->screen_base + (sy - 1) * next_line + ((sx + width + 8) & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) dst = (u8 *)info->screen_base + (dy - 1) * next_line + ((dx + width + 8) & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) if ((sx + width) & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) src -= BPL * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) dst -= BPL * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) memmove32_col(dst, src, 0xff00ff00, colsize, -next_line - BPL * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) width -= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) w = width >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (w) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) s = (u32 *)src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) d = (u32 *)dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) w *= BPL / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) l = next_line - w * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) for (j = height; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) for (i = w; i > 0; i--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) *--d = *--s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) s = (u32 *)((u8 *)s - l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) d = (u32 *)((u8 *)d - l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (sx & 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) memmove32_col(dst - (width - 16) / (8 / BPL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) src - (width - 16) / (8 / BPL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 0xff00ff, colsize, -next_line - BPL * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /* odd->even or even->odd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) if (upwards) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) u32 *src32, *dst32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) u32 pval[4], v, v1, mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int i, j, w, f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) src = (u8 *)info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) dst = (u8 *)info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) mask = 0xff00ff00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) f = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) w = width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (sx & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) f = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) w += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if ((sx + width) & 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) f |= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) w >>= 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) for (i = height; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) src32 = (u32 *)src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) dst32 = (u32 *)dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) if (f & 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) pval[0] = (*src32++ << 8) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) pval[1] = (*src32++ << 8) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) pval[2] = (*src32++ << 8) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) pval[3] = (*src32++ << 8) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) pval[0] = dst32[0] & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) pval[1] = dst32[1] & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) pval[2] = dst32[2] & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) pval[3] = dst32[3] & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) for (j = w; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) v = *src32++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) v1 = v & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) *dst32++ = pval[0] | (v1 >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) pval[0] = (v ^ v1) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) v = *src32++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) v1 = v & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) *dst32++ = pval[1] | (v1 >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) pval[1] = (v ^ v1) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) v = *src32++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) v1 = v & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) *dst32++ = pval[2] | (v1 >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) pval[2] = (v ^ v1) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) v = *src32++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) v1 = v & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) *dst32++ = pval[3] | (v1 >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) pval[3] = (v ^ v1) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) if (f & 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) dst32[0] = (dst32[0] & mask) | pval[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) dst32[1] = (dst32[1] & mask) | pval[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) dst32[2] = (dst32[2] & mask) | pval[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) dst32[3] = (dst32[3] & mask) | pval[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) src += next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) dst += next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) u32 *src32, *dst32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) u32 pval[4], v, v1, mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int i, j, w, f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) src = (u8 *)info->screen_base + (sy - 1) * next_line + ((sx + width + 8) & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) dst = (u8 *)info->screen_base + (dy - 1) * next_line + ((dx + width + 8) & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) mask = 0xff00ff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) f = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) w = width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) if ((dx + width) & 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) f = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) if (sx & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) f |= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) w += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) w >>= 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) for (i = height; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) src32 = (u32 *)src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) dst32 = (u32 *)dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) if (f & 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) pval[0] = dst32[-1] & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) pval[1] = dst32[-2] & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) pval[2] = dst32[-3] & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) pval[3] = dst32[-4] & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) pval[0] = (*--src32 >> 8) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) pval[1] = (*--src32 >> 8) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) pval[2] = (*--src32 >> 8) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) pval[3] = (*--src32 >> 8) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) for (j = w; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) v = *--src32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) v1 = v & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) *--dst32 = pval[0] | (v1 << 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) pval[0] = (v ^ v1) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) v = *--src32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) v1 = v & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) *--dst32 = pval[1] | (v1 << 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) pval[1] = (v ^ v1) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) v = *--src32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) v1 = v & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) *--dst32 = pval[2] | (v1 << 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) pval[2] = (v ^ v1) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) v = *--src32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) v1 = v & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) *--dst32 = pval[3] | (v1 << 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) pval[3] = (v ^ v1) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) if (!(f & 2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) dst32[-1] = (dst32[-1] & mask) | pval[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) dst32[-2] = (dst32[-2] & mask) | pval[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) dst32[-3] = (dst32[-3] & mask) | pval[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) dst32[-4] = (dst32[-4] & mask) | pval[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) src -= next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) dst -= next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) void atafb_iplan2p8_fillrect(struct fb_info *info, u_long next_line, u32 color,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) int sy, int sx, int height, int width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) u32 *dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) int rows, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) u32 cval[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) dest = (u32 *)(info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) if (sx & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) u8 *dest8 = (u8 *)dest + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) expand8_col2mask(color, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) for (i = height; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) fill8_col(dest8, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) dest8 += next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) dest += BPL / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) width -= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) expand16_col2mask(color, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) rows = width >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) if (rows) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) u32 *d = dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) u32 off = next_line - rows * BPL * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) for (i = height; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) d = fill16_col(d, rows, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) d = (u32 *)((long)d + off);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) dest += rows * BPL / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) width &= 15;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (width) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) u8 *dest8 = (u8 *)dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) expand8_col2mask(color, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) for (i = height; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) fill8_col(dest8, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) dest8 += next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) void atafb_iplan2p8_linefill(struct fb_info *info, u_long next_line,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) int dy, int dx, u32 width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) const u8 *data, u32 bgcolor, u32 fgcolor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) u32 *dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) const u16 *data16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) int rows;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) u32 fgm[4], bgm[4], m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) dest = (u32 *)(info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) if (dx & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) fill8_2col((u8 *)dest + 1, fgcolor, bgcolor, *data++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) dest += BPL / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) width -= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) if (width >= 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) data16 = (const u16 *)data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) expand16_2col2mask(fgcolor, bgcolor, fgm, bgm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) for (rows = width / 16; rows; rows--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) u16 d = *data16++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) m = d | ((u32)d << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) *dest++ = (m & fgm[0]) ^ bgm[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) *dest++ = (m & fgm[1]) ^ bgm[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) *dest++ = (m & fgm[2]) ^ bgm[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) *dest++ = (m & fgm[3]) ^ bgm[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) data = (const u8 *)data16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) width &= 15;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) fill8_2col((u8 *)dest, fgcolor, bgcolor, *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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