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-rw-r--r--hw/display/pl110_template.h395
1 files changed, 395 insertions, 0 deletions
diff --git a/hw/display/pl110_template.h b/hw/display/pl110_template.h
new file mode 100644
index 0000000000..e738e4a241
--- /dev/null
+++ b/hw/display/pl110_template.h
@@ -0,0 +1,395 @@
+/*
+ * 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) *(uint16_t *)to = from; to += 2;
+#elif BITS == 24
+#define COPY_PIXEL(to, from) \
+ *(to++) = from; *(to++) = (from) >> 8; *(to++) = (from) >> 16
+#elif BITS == 32
+#define COPY_PIXEL(to, from) *(uint32_t *)to = from; to += 4;
+#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
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-17 16:54:35 +0000