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-rw-r--r--hw/pl110_template.h252
1 files changed, 252 insertions, 0 deletions
diff --git a/hw/pl110_template.h b/hw/pl110_template.h
new file mode 100644
index 0000000000..1ab77777cd
--- /dev/null
+++ b/hw/pl110_template.h
@@ -0,0 +1,252 @@
+/*
+ * Arm PrimeCell PL110 Color LCD Controller
+ *
+ * Copyright (c) 2005 CodeSourcery, LLC.
+ * Written by Paul Brook
+ *
+ * This code is licenced 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
+
+#define ORDER 0
+#include "pl110_template.h"
+#define ORDER 1
+#include "pl110_template.h"
+#define ORDER 2
+#include "pl110_template.h"
+
+static drawfn glue(pl110_draw_fn_,BITS)[18] =
+{
+ glue(pl110_draw_line1_lblp,BITS),
+ glue(pl110_draw_line2_lblp,BITS),
+ glue(pl110_draw_line4_lblp,BITS),
+ glue(pl110_draw_line8_lblp,BITS),
+ glue(pl110_draw_line16_lblp,BITS),
+ glue(pl110_draw_line32_lblp,BITS),
+
+ glue(pl110_draw_line1_bbbp,BITS),
+ glue(pl110_draw_line2_bbbp,BITS),
+ glue(pl110_draw_line4_bbbp,BITS),
+ glue(pl110_draw_line8_bbbp,BITS),
+ glue(pl110_draw_line16_bbbp,BITS),
+ glue(pl110_draw_line32_bbbp,BITS),
+
+ glue(pl110_draw_line1_lbbp,BITS),
+ glue(pl110_draw_line2_lbbp,BITS),
+ glue(pl110_draw_line4_lbbp,BITS),
+ glue(pl110_draw_line8_lbbp,BITS),
+ glue(pl110_draw_line16_lbbp,BITS),
+ glue(pl110_draw_line32_lbbp,BITS)
+};
+
+#undef BITS
+#undef COPY_PIXEL
+
+#else
+
+#if ORDER == 0
+#define NAME glue(lblp, BITS)
+#ifdef WORDS_BIGENDIAN
+#define SWAP_WORDS 1
+#endif
+#elif ORDER == 1
+#define NAME glue(bbbp, BITS)
+#ifndef WORDS_BIGENDIAN
+#define SWAP_WORDS 1
+#endif
+#else
+#define SWAP_PIXELS 1
+#define NAME glue(lbbp, BITS)
+#ifdef 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+1, y)
+#define FN_8(y) FN_4(0, y) FN_4(4, y)
+
+static void glue(pl110_draw_line1_,NAME)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
+{
+ uint32_t data;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#ifdef SWAP_PIXELS
+#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 7 - (x))) & 1]);
+#else
+#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x) + y)) & 1]);
+#endif
+#ifdef SWAP_BYTES
+ 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)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
+{
+ uint32_t data;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#ifdef SWAP_PIXELS
+#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 6 - (x)*2)) & 3]);
+#else
+#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x)*2 + y)) & 3]);
+#endif
+#ifdef SWAP_BYTES
+ 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)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
+{
+ uint32_t data;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#ifdef SWAP_PIXELS
+#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 4 - (x)*4)) & 0xf]);
+#else
+#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x)*4 + y)) & 0xf]);
+#endif
+#ifdef SWAP_BYTES
+ 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)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
+{
+ uint32_t data;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#define FN(x) COPY_PIXEL(d, pallette[(data >> (x)) & 0xff]);
+#ifdef SWAP_BYTES
+ 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)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
+{
+ uint32_t data;
+ unsigned int r, g, b;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#ifdef SWAP_BYTES
+ data = bswap32(data);
+#endif
+#if 0
+ r = data & 0x1f;
+ data >>= 5;
+ g = data & 0x3f;
+ data >>= 6;
+ b = data & 0x1f;
+ data >>= 5;
+#else
+ r = (data & 0x1f) << 3;
+ data >>= 5;
+ g = (data & 0x3f) << 2;
+ data >>= 6;
+ b = (data & 0x1f) << 3;
+ data >>= 5;
+#endif
+ COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
+ r = (data & 0x1f) << 3;
+ data >>= 5;
+ g = (data & 0x3f) << 2;
+ data >>= 6;
+ b = (data & 0x1f) << 3;
+ data >>= 5;
+ COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
+ width -= 2;
+ src += 4;
+ }
+}
+
+static void glue(pl110_draw_line32_,NAME)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
+{
+ uint32_t data;
+ unsigned int r, g, b;
+ while (width > 0) {
+ data = *(uint32_t *)src;
+#ifdef SWAP_BYTES
+ r = data & 0xff;
+ g = (data >> 8) & 0xff;
+ b = (data >> 16) & 0xff;
+#else
+ r = (data >> 24) & 0xff;
+ g = (data >> 16) & 0xff;
+ b = (data >> 8) & 0xff;
+#endif
+ COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
+ width--;
+ src += 4;
+ }
+}
+
+#undef SWAP_PIXELS
+#undef NAME
+#undef SWAP_WORDS
+#undef ORDER
+
+#endif