^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * linux/drivers/video/iplan2p2.c -- Low level frame buffer operations for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * interleaved bitplanes à la Atari (2
^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 2
^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) void atafb_iplan2p2_copyarea(struct fb_info *info, u_long next_line,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) int sy, int sx, int dy, int dx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) int height, int width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* bmove() has to distinguish two major cases: If both, source and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * destination, start at even addresses or both are at odd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * addresses, just the first odd and last even column (if present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * require special treatment (memmove_col()). The rest between
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * then can be copied by normal operations, because all adjacent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * bytes are affected and are to be stored in the same order.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * The pathological case is when the move should go from an odd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * address to an even or vice versa. Since the bytes in the plane
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * words must be assembled in new order, it seems wisest to make
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * all movements by memmove_col().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) u8 *src, *dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) u32 *s, *d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int w, l , i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) u_int colsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) u_int upwards = (dy < sy) || (dy == sy && dx < sx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) colsize = height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) if (!((sx ^ dx) & 15)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) /* odd->odd or even->even */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (upwards) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) src = (u8 *)info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) dst = (u8 *)info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) if (sx & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) memmove32_col(dst, src, 0xff00ff, height, next_line - BPL * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) src += BPL * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) dst += BPL * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) width -= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) w = width >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (w) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) s = (u32 *)src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) d = (u32 *)dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) w *= BPL / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) l = next_line - w * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) for (j = height; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) for (i = w; i > 0; i--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) *d++ = *s++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) s = (u32 *)((u8 *)s + l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) d = (u32 *)((u8 *)d + l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) if (width & 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) memmove32_col(dst + width / (8 / BPL), src + width / (8 / BPL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 0xff00ff00, height, next_line - BPL * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) src = (u8 *)info->screen_base + (sy - 1) * next_line + ((sx + width + 8) & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) dst = (u8 *)info->screen_base + (dy - 1) * next_line + ((dx + width + 8) & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if ((sx + width) & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) src -= BPL * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) dst -= BPL * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) memmove32_col(dst, src, 0xff00ff00, colsize, -next_line - BPL * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) width -= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) w = width >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) if (w) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) s = (u32 *)src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) d = (u32 *)dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) w *= BPL / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) l = next_line - w * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) for (j = height; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) for (i = w; i > 0; i--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) *--d = *--s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) s = (u32 *)((u8 *)s - l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) d = (u32 *)((u8 *)d - l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (sx & 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) memmove32_col(dst - (width - 16) / (8 / BPL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) src - (width - 16) / (8 / BPL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 0xff00ff, colsize, -next_line - BPL * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /* odd->even or even->odd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (upwards) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) u32 *src32, *dst32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) u32 pval[4], v, v1, mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) int i, j, w, f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) src = (u8 *)info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) dst = (u8 *)info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) mask = 0xff00ff00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) f = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) w = width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (sx & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) f = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) w += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if ((sx + width) & 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) f |= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) w >>= 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) for (i = height; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) src32 = (u32 *)src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) dst32 = (u32 *)dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (f & 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) pval[0] = (*src32++ << 8) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) pval[0] = dst32[0] & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) for (j = w; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) v = *src32++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) v1 = v & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) *dst32++ = pval[0] | (v1 >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) pval[0] = (v ^ v1) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (f & 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) dst32[0] = (dst32[0] & mask) | pval[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) src += next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) dst += next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) u32 *src32, *dst32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) u32 pval[4], v, v1, mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) int i, j, w, f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) src = (u8 *)info->screen_base + (sy - 1) * next_line + ((sx + width + 8) & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) dst = (u8 *)info->screen_base + (dy - 1) * next_line + ((dx + width + 8) & ~15) / (8 / BPL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) mask = 0xff00ff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) f = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) w = width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) if ((dx + width) & 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) f = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) if (sx & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) f |= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) w += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) w >>= 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) for (i = height; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) src32 = (u32 *)src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) dst32 = (u32 *)dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) if (f & 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) pval[0] = dst32[-1] & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) pval[0] = (*--src32 >> 8) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) for (j = w; j > 0; j--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) v = *--src32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) v1 = v & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) *--dst32 = pval[0] | (v1 << 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) pval[0] = (v ^ v1) >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (!(f & 2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) dst32[-1] = (dst32[-1] & mask) | pval[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) src -= next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) dst -= next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) void atafb_iplan2p2_fillrect(struct fb_info *info, u_long next_line, u32 color,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) int sy, int sx, int height, int width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) u32 *dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int rows, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) u32 cval[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) dest = (u32 *)(info->screen_base + sy * next_line + (sx & ~15) / (8 / BPL));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) if (sx & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) u8 *dest8 = (u8 *)dest + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) expand8_col2mask(color, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) for (i = height; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) fill8_col(dest8, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) dest8 += next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) dest += BPL / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) width -= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) expand16_col2mask(color, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) rows = width >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) if (rows) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) u32 *d = dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) u32 off = next_line - rows * BPL * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) for (i = height; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) d = fill16_col(d, rows, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) d = (u32 *)((long)d + off);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) dest += rows * BPL / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) width &= 15;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (width) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) u8 *dest8 = (u8 *)dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) expand8_col2mask(color, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) for (i = height; i; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) fill8_col(dest8, cval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) dest8 += next_line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^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) void atafb_iplan2p2_linefill(struct fb_info *info, u_long next_line,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) int dy, int dx, u32 width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) const u8 *data, u32 bgcolor, u32 fgcolor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) u32 *dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) const u16 *data16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) int rows;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) u32 fgm[4], bgm[4], m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) dest = (u32 *)(info->screen_base + dy * next_line + (dx & ~15) / (8 / BPL));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (dx & 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) fill8_2col((u8 *)dest + 1, fgcolor, bgcolor, *data++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) dest += BPL / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) width -= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (width >= 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) data16 = (const u16 *)data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) expand16_2col2mask(fgcolor, bgcolor, fgm, bgm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) for (rows = width / 16; rows; rows--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) u16 d = *data16++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) m = d | ((u32)d << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) *dest++ = (m & fgm[0]) ^ bgm[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) data = (const u8 *)data16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) width &= 15;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if (width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) fill8_2col((u8 *)dest, fgcolor, bgcolor, *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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