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* Arm PrimeCell PL110 Color LCD Controller
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* Copyright (c) 2005 CodeSourcery, LLC.
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* Written by Paul Brook
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* This code is licensed under the GNU LGPL
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* Framebuffer format conversion routines.
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#define COPY_PIXEL(to, from) *(to++) = from
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#elif BITS == 15 || BITS == 16
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#define COPY_PIXEL(to, from) *(uint16_t *)to = from; to += 2;
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#define COPY_PIXEL(to, from) \
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*(to++) = from; *(to++) = (from) >> 8; *(to++) = (from) >> 16
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#define COPY_PIXEL(to, from) *(uint32_t *)to = from; to += 4;
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#error unknown bit depth
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#include "pl110_template.h"
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#include "pl110_template.h"
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#include "pl110_template.h"
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#include "pl110_template.h"
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#include "pl110_template.h"
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#include "pl110_template.h"
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static drawfn glue(pl110_draw_fn_,BITS)[48] =
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glue(pl110_draw_line1_lblp_bgr,BITS),
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glue(pl110_draw_line2_lblp_bgr,BITS),
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glue(pl110_draw_line4_lblp_bgr,BITS),
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glue(pl110_draw_line8_lblp_bgr,BITS),
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glue(pl110_draw_line16_555_lblp_bgr,BITS),
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glue(pl110_draw_line32_lblp_bgr,BITS),
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glue(pl110_draw_line16_lblp_bgr,BITS),
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glue(pl110_draw_line12_lblp_bgr,BITS),
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glue(pl110_draw_line1_bbbp_bgr,BITS),
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glue(pl110_draw_line2_bbbp_bgr,BITS),
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glue(pl110_draw_line4_bbbp_bgr,BITS),
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glue(pl110_draw_line8_bbbp_bgr,BITS),
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glue(pl110_draw_line16_555_bbbp_bgr,BITS),
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glue(pl110_draw_line32_bbbp_bgr,BITS),
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glue(pl110_draw_line16_bbbp_bgr,BITS),
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glue(pl110_draw_line12_bbbp_bgr,BITS),
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glue(pl110_draw_line1_lbbp_bgr,BITS),
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glue(pl110_draw_line2_lbbp_bgr,BITS),
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glue(pl110_draw_line4_lbbp_bgr,BITS),
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glue(pl110_draw_line8_lbbp_bgr,BITS),
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glue(pl110_draw_line16_555_lbbp_bgr,BITS),
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glue(pl110_draw_line32_lbbp_bgr,BITS),
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glue(pl110_draw_line16_lbbp_bgr,BITS),
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glue(pl110_draw_line12_lbbp_bgr,BITS),
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glue(pl110_draw_line1_lblp_rgb,BITS),
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glue(pl110_draw_line2_lblp_rgb,BITS),
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glue(pl110_draw_line4_lblp_rgb,BITS),
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glue(pl110_draw_line8_lblp_rgb,BITS),
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glue(pl110_draw_line16_555_lblp_rgb,BITS),
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glue(pl110_draw_line32_lblp_rgb,BITS),
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glue(pl110_draw_line16_lblp_rgb,BITS),
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glue(pl110_draw_line12_lblp_rgb,BITS),
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glue(pl110_draw_line1_bbbp_rgb,BITS),
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glue(pl110_draw_line2_bbbp_rgb,BITS),
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glue(pl110_draw_line4_bbbp_rgb,BITS),
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glue(pl110_draw_line8_bbbp_rgb,BITS),
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glue(pl110_draw_line16_555_bbbp_rgb,BITS),
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glue(pl110_draw_line32_bbbp_rgb,BITS),
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glue(pl110_draw_line16_bbbp_rgb,BITS),
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glue(pl110_draw_line12_bbbp_rgb,BITS),
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glue(pl110_draw_line1_lbbp_rgb,BITS),
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glue(pl110_draw_line2_lbbp_rgb,BITS),
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glue(pl110_draw_line4_lbbp_rgb,BITS),
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glue(pl110_draw_line8_lbbp_rgb,BITS),
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glue(pl110_draw_line16_555_lbbp_rgb,BITS),
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glue(pl110_draw_line32_lbbp_rgb,BITS),
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glue(pl110_draw_line16_lbbp_rgb,BITS),
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glue(pl110_draw_line12_lbbp_rgb,BITS),
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#define NAME glue(glue(lblp_, BORDER), BITS)
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#ifdef HOST_WORDS_BIGENDIAN
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#define NAME glue(glue(bbbp_, BORDER), BITS)
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#ifndef HOST_WORDS_BIGENDIAN
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#define SWAP_PIXELS 1
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#define NAME glue(glue(lbbp_, BORDER), BITS)
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#ifdef HOST_WORDS_BIGENDIAN
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#define FN_2(x, y) FN(x, y) FN(x+1, y)
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#define FN_4(x, y) FN_2(x, y) FN_2(x+2, y)
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#define FN_8(y) FN_4(0, y) FN_4(4, y)
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static void glue(pl110_draw_line1_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
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uint32_t *pallette = opaque;
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data = *(uint32_t *)src;
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#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 7 - (x))) & 1]);
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#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x) + y)) & 1]);
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static void glue(pl110_draw_line2_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
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uint32_t *pallette = opaque;
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data = *(uint32_t *)src;
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#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 6 - (x)*2)) & 3]);
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#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x)*2 + y)) & 3]);
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static void glue(pl110_draw_line4_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
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uint32_t *pallette = opaque;
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data = *(uint32_t *)src;
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#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 4 - (x)*4)) & 0xf]);
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#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x)*4 + y)) & 0xf]);
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static void glue(pl110_draw_line8_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
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uint32_t *pallette = opaque;
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data = *(uint32_t *)src;
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#define FN(x) COPY_PIXEL(d, pallette[(data >> (x)) & 0xff]);
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static void glue(pl110_draw_line16_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
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unsigned int r, g, b;
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data = *(uint32_t *)src;
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data = bswap32(data);
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LSB = (data & 0x1f) << 3;
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g = (data & 0x3f) << 2;
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MSB = (data & 0x1f) << 3;
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COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
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LSB = (data & 0x1f) << 3;
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g = (data & 0x3f) << 2;
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MSB = (data & 0x1f) << 3;
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COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
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static void glue(pl110_draw_line32_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
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unsigned int r, g, b;
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data = *(uint32_t *)src;
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g = (data >> 8) & 0xff;
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MSB = (data >> 16) & 0xff;
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LSB = (data >> 24) & 0xff;
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g = (data >> 16) & 0xff;
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MSB = (data >> 8) & 0xff;
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COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
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static void glue(pl110_draw_line16_555_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
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/* RGB 555 plus an intensity bit (which we ignore) */
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unsigned int r, g, b;
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data = *(uint32_t *)src;
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data = bswap32(data);
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LSB = (data & 0x1f) << 3;
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g = (data & 0x1f) << 3;
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MSB = (data & 0x1f) << 3;
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COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
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LSB = (data & 0x1f) << 3;
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g = (data & 0x1f) << 3;
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MSB = (data & 0x1f) << 3;
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COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
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static void glue(pl110_draw_line12_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep)
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/* RGB 444 with 4 bits of zeroes at the top of each halfword */
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unsigned int r, g, b;
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data = *(uint32_t *)src;
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data = bswap32(data);
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LSB = (data & 0xf) << 4;
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g = (data & 0xf) << 4;
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MSB = (data & 0xf) << 4;
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COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
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LSB = (data & 0xf) << 4;
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g = (data & 0xf) << 4;
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MSB = (data & 0xf) << 4;
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COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));