diff options
Diffstat (limited to 'src/hw/display/pl110_template.h')
| -rw-r--r-- | src/hw/display/pl110_template.h | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/src/hw/display/pl110_template.h b/src/hw/display/pl110_template.h new file mode 100644 index 0000000..36ba791 --- /dev/null +++ b/src/hw/display/pl110_template.h @@ -0,0 +1,399 @@ +/* + * Arm PrimeCell PL110 Color LCD Controller + * + * Copyright (c) 2005 CodeSourcery, LLC. + * Written by Paul Brook + * + * This code is licensed under the GNU LGPL + * + * Framebuffer format conversion routines. + */ + +#ifndef ORDER + +#if BITS == 8 +#define COPY_PIXEL(to, from) *(to++) = from +#elif BITS == 15 || BITS == 16 +#define COPY_PIXEL(to, from) do { *(uint16_t *)to = from; to += 2; } while (0) +#elif BITS == 24 +#define COPY_PIXEL(to, from) \ + do { \ + *(to++) = from; \ + *(to++) = (from) >> 8; \ + *(to++) = (from) >> 16; \ + } while (0) +#elif BITS == 32 +#define COPY_PIXEL(to, from) do { *(uint32_t *)to = from; to += 4; } while (0) +#else +#error unknown bit depth +#endif + +#undef RGB +#define BORDER bgr +#define ORDER 0 +#include "pl110_template.h" +#define ORDER 1 +#include "pl110_template.h" +#define ORDER 2 +#include "pl110_template.h" +#undef BORDER +#define RGB +#define BORDER rgb +#define ORDER 0 +#include "pl110_template.h" +#define ORDER 1 +#include "pl110_template.h" +#define ORDER 2 +#include "pl110_template.h" +#undef BORDER + +static drawfn glue(pl110_draw_fn_,BITS)[48] = +{ + glue(pl110_draw_line1_lblp_bgr,BITS), + glue(pl110_draw_line2_lblp_bgr,BITS), + glue(pl110_draw_line4_lblp_bgr,BITS), + glue(pl110_draw_line8_lblp_bgr,BITS), + glue(pl110_draw_line16_555_lblp_bgr,BITS), + glue(pl110_draw_line32_lblp_bgr,BITS), + glue(pl110_draw_line16_lblp_bgr,BITS), + glue(pl110_draw_line12_lblp_bgr,BITS), + + glue(pl110_draw_line1_bbbp_bgr,BITS), + glue(pl110_draw_line2_bbbp_bgr,BITS), + glue(pl110_draw_line4_bbbp_bgr,BITS), + glue(pl110_draw_line8_bbbp_bgr,BITS), + glue(pl110_draw_line16_555_bbbp_bgr,BITS), + glue(pl110_draw_line32_bbbp_bgr,BITS), + glue(pl110_draw_line16_bbbp_bgr,BITS), + glue(pl110_draw_line12_bbbp_bgr,BITS), + + glue(pl110_draw_line1_lbbp_bgr,BITS), + glue(pl110_draw_line2_lbbp_bgr,BITS), + glue(pl110_draw_line4_lbbp_bgr,BITS), + glue(pl110_draw_line8_lbbp_bgr,BITS), + glue(pl110_draw_line16_555_lbbp_bgr,BITS), + glue(pl110_draw_line32_lbbp_bgr,BITS), + glue(pl110_draw_line16_lbbp_bgr,BITS), + glue(pl110_draw_line12_lbbp_bgr,BITS), + + glue(pl110_draw_line1_lblp_rgb,BITS), + glue(pl110_draw_line2_lblp_rgb,BITS), + glue(pl110_draw_line4_lblp_rgb,BITS), + glue(pl110_draw_line8_lblp_rgb,BITS), + glue(pl110_draw_line16_555_lblp_rgb,BITS), + glue(pl110_draw_line32_lblp_rgb,BITS), + glue(pl110_draw_line16_lblp_rgb,BITS), + glue(pl110_draw_line12_lblp_rgb,BITS), + + glue(pl110_draw_line1_bbbp_rgb,BITS), + glue(pl110_draw_line2_bbbp_rgb,BITS), + glue(pl110_draw_line4_bbbp_rgb,BITS), + glue(pl110_draw_line8_bbbp_rgb,BITS), + glue(pl110_draw_line16_555_bbbp_rgb,BITS), + glue(pl110_draw_line32_bbbp_rgb,BITS), + glue(pl110_draw_line16_bbbp_rgb,BITS), + glue(pl110_draw_line12_bbbp_rgb,BITS), + + glue(pl110_draw_line1_lbbp_rgb,BITS), + glue(pl110_draw_line2_lbbp_rgb,BITS), + glue(pl110_draw_line4_lbbp_rgb,BITS), + glue(pl110_draw_line8_lbbp_rgb,BITS), + glue(pl110_draw_line16_555_lbbp_rgb,BITS), + glue(pl110_draw_line32_lbbp_rgb,BITS), + glue(pl110_draw_line16_lbbp_rgb,BITS), + glue(pl110_draw_line12_lbbp_rgb,BITS), +}; + +#undef BITS +#undef COPY_PIXEL + +#else + +#if ORDER == 0 +#define NAME glue(glue(lblp_, BORDER), BITS) +#ifdef HOST_WORDS_BIGENDIAN +#define SWAP_WORDS 1 +#endif +#elif ORDER == 1 +#define NAME glue(glue(bbbp_, BORDER), BITS) +#ifndef HOST_WORDS_BIGENDIAN +#define SWAP_WORDS 1 +#endif +#else +#define SWAP_PIXELS 1 +#define NAME glue(glue(lbbp_, BORDER), BITS) +#ifdef HOST_WORDS_BIGENDIAN +#define SWAP_WORDS 1 +#endif +#endif + +#define FN_2(x, y) FN(x, y) FN(x+1, y) +#define FN_4(x, y) FN_2(x, y) FN_2(x+2, y) +#define FN_8(y) FN_4(0, y) FN_4(4, y) + +static void glue(pl110_draw_line1_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep) +{ + uint32_t *palette = opaque; + uint32_t data; + while (width > 0) { + data = *(uint32_t *)src; +#ifdef SWAP_PIXELS +#define FN(x, y) COPY_PIXEL(d, palette[(data >> (y + 7 - (x))) & 1]); +#else +#define FN(x, y) COPY_PIXEL(d, palette[(data >> ((x) + y)) & 1]); +#endif +#ifdef SWAP_WORDS + FN_8(24) + FN_8(16) + FN_8(8) + FN_8(0) +#else + FN_8(0) + FN_8(8) + FN_8(16) + FN_8(24) +#endif +#undef FN + width -= 32; + src += 4; + } +} + +static void glue(pl110_draw_line2_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep) +{ + uint32_t *palette = opaque; + uint32_t data; + while (width > 0) { + data = *(uint32_t *)src; +#ifdef SWAP_PIXELS +#define FN(x, y) COPY_PIXEL(d, palette[(data >> (y + 6 - (x)*2)) & 3]); +#else +#define FN(x, y) COPY_PIXEL(d, palette[(data >> ((x)*2 + y)) & 3]); +#endif +#ifdef SWAP_WORDS + FN_4(0, 24) + FN_4(0, 16) + FN_4(0, 8) + FN_4(0, 0) +#else + FN_4(0, 0) + FN_4(0, 8) + FN_4(0, 16) + FN_4(0, 24) +#endif +#undef FN + width -= 16; + src += 4; + } +} + +static void glue(pl110_draw_line4_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep) +{ + uint32_t *palette = opaque; + uint32_t data; + while (width > 0) { + data = *(uint32_t *)src; +#ifdef SWAP_PIXELS +#define FN(x, y) COPY_PIXEL(d, palette[(data >> (y + 4 - (x)*4)) & 0xf]); +#else +#define FN(x, y) COPY_PIXEL(d, palette[(data >> ((x)*4 + y)) & 0xf]); +#endif +#ifdef SWAP_WORDS + FN_2(0, 24) + FN_2(0, 16) + FN_2(0, 8) + FN_2(0, 0) +#else + FN_2(0, 0) + FN_2(0, 8) + FN_2(0, 16) + FN_2(0, 24) +#endif +#undef FN + width -= 8; + src += 4; + } +} + +static void glue(pl110_draw_line8_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep) +{ + uint32_t *palette = opaque; + uint32_t data; + while (width > 0) { + data = *(uint32_t *)src; +#define FN(x) COPY_PIXEL(d, palette[(data >> (x)) & 0xff]); +#ifdef SWAP_WORDS + FN(24) + FN(16) + FN(8) + FN(0) +#else + FN(0) + FN(8) + FN(16) + FN(24) +#endif +#undef FN + width -= 4; + src += 4; + } +} + +static void glue(pl110_draw_line16_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep) +{ + uint32_t data; + unsigned int r, g, b; + while (width > 0) { + data = *(uint32_t *)src; +#ifdef SWAP_WORDS + data = bswap32(data); +#endif +#ifdef RGB +#define LSB r +#define MSB b +#else +#define LSB b +#define MSB r +#endif +#if 0 + LSB = data & 0x1f; + data >>= 5; + g = data & 0x3f; + data >>= 6; + MSB = data & 0x1f; + data >>= 5; +#else + LSB = (data & 0x1f) << 3; + data >>= 5; + g = (data & 0x3f) << 2; + data >>= 6; + MSB = (data & 0x1f) << 3; + data >>= 5; +#endif + COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b)); + LSB = (data & 0x1f) << 3; + data >>= 5; + g = (data & 0x3f) << 2; + data >>= 6; + MSB = (data & 0x1f) << 3; + data >>= 5; + COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b)); +#undef MSB +#undef LSB + width -= 2; + src += 4; + } +} + +static void glue(pl110_draw_line32_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep) +{ + uint32_t data; + unsigned int r, g, b; + while (width > 0) { + data = *(uint32_t *)src; +#ifdef RGB +#define LSB r +#define MSB b +#else +#define LSB b +#define MSB r +#endif +#ifndef SWAP_WORDS + LSB = data & 0xff; + g = (data >> 8) & 0xff; + MSB = (data >> 16) & 0xff; +#else + LSB = (data >> 24) & 0xff; + g = (data >> 16) & 0xff; + MSB = (data >> 8) & 0xff; +#endif + COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b)); +#undef MSB +#undef LSB + width--; + src += 4; + } +} + +static void glue(pl110_draw_line16_555_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep) +{ + /* RGB 555 plus an intensity bit (which we ignore) */ + uint32_t data; + unsigned int r, g, b; + while (width > 0) { + data = *(uint32_t *)src; +#ifdef SWAP_WORDS + data = bswap32(data); +#endif +#ifdef RGB +#define LSB r +#define MSB b +#else +#define LSB b +#define MSB r +#endif + LSB = (data & 0x1f) << 3; + data >>= 5; + g = (data & 0x1f) << 3; + data >>= 5; + MSB = (data & 0x1f) << 3; + data >>= 5; + COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b)); + LSB = (data & 0x1f) << 3; + data >>= 5; + g = (data & 0x1f) << 3; + data >>= 5; + MSB = (data & 0x1f) << 3; + data >>= 6; + COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b)); +#undef MSB +#undef LSB + width -= 2; + src += 4; + } +} + +static void glue(pl110_draw_line12_,NAME)(void *opaque, uint8_t *d, const uint8_t *src, int width, int deststep) +{ + /* RGB 444 with 4 bits of zeroes at the top of each halfword */ + uint32_t data; + unsigned int r, g, b; + while (width > 0) { + data = *(uint32_t *)src; +#ifdef SWAP_WORDS + data = bswap32(data); +#endif +#ifdef RGB +#define LSB r +#define MSB b +#else +#define LSB b +#define MSB r +#endif + LSB = (data & 0xf) << 4; + data >>= 4; + g = (data & 0xf) << 4; + data >>= 4; + MSB = (data & 0xf) << 4; + data >>= 8; + COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b)); + LSB = (data & 0xf) << 4; + data >>= 4; + g = (data & 0xf) << 4; + data >>= 4; + MSB = (data & 0xf) << 4; + data >>= 8; + COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b)); +#undef MSB +#undef LSB + width -= 2; + src += 4; + } +} + +#undef SWAP_PIXELS +#undef NAME +#undef SWAP_WORDS +#undef ORDER + +#endif |
