[qemu.git] / hw / pl110_template.h

/*
 * 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

#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)[36] =
{
    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_lblp_bgr,BITS),
    glue(pl110_draw_line32_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_bbbp_bgr,BITS),
    glue(pl110_draw_line32_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_lbbp_bgr,BITS),
    glue(pl110_draw_line32_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_lblp_rgb,BITS),
    glue(pl110_draw_line32_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_bbbp_rgb,BITS),
    glue(pl110_draw_line32_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_lbbp_rgb,BITS),
    glue(pl110_draw_line32_lbbp_rgb,BITS),
};

#undef BITS
#undef COPY_PIXEL

#else

#if ORDER == 0
#define NAME glue(glue(lblp_, BORDER), BITS)
#ifdef WORDS_BIGENDIAN
#define SWAP_WORDS 1
#endif
#elif ORDER == 1
#define NAME glue(glue(bbbp_, BORDER), BITS)
#ifndef WORDS_BIGENDIAN
#define SWAP_WORDS 1
#endif
#else
#define SWAP_PIXELS 1
#define NAME glue(glue(lbbp_, BORDER), 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+2, 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_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)(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_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)(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_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)(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_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)(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_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)(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 RGB
#define LSB r
#define MSB b
#else
#define LSB b
#define MSB r
#endif
#ifdef 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;
    }
}

#undef SWAP_PIXELS
#undef NAME
#undef SWAP_WORDS
#undef ORDER

#endif
Commit	Line	Data
5fafdf24	1	/*
bdd5003a PB	2	* Arm PrimeCell PL110 Color LCD Controller
	3	*
	4	* Copyright (c) 2005 CodeSourcery, LLC.
	5	* Written by Paul Brook
	6	*
	7	* This code is licenced under the GNU LGPL
	8	*
	9	* Framebuffer format conversion routines.
	10	*/
	11
	12	#ifndef ORDER
	13
	14	#if BITS == 8
	15	#define COPY_PIXEL(to, from) *(to++) = from
	16	#elif BITS == 15 \|\| BITS == 16
	17	#define COPY_PIXEL(to, from) (uint16_t )to = from; to += 2;
5fafdf24	18	#elif BITS == 24
bdd5003a PB	19	#define COPY_PIXEL(to, from) \
	20	(to++) = from; (to++) = (from) >> 8; *(to++) = (from) >> 16
	21	#elif BITS == 32
	22	#define COPY_PIXEL(to, from) (uint32_t )to = from; to += 4;
	23	#else
	24	#error unknown bit depth
	25	#endif
	26
e9c05b42 AZ	27	#undef RGB
e9c05b42 AZ	28	#define BORDER bgr
bdd5003a PB	29	#define ORDER 0
	30	#include "pl110_template.h"
	31	#define ORDER 1
	32	#include "pl110_template.h"
	33	#define ORDER 2
	34	#include "pl110_template.h"
e9c05b42 AZ	35	#undef BORDER
	36	#define RGB
	37	#define BORDER rgb
	38	#define ORDER 0
	39	#include "pl110_template.h"
	40	#define ORDER 1
	41	#include "pl110_template.h"
	42	#define ORDER 2
	43	#include "pl110_template.h"
	44	#undef BORDER
bdd5003a	45
e9c05b42	46	static drawfn glue(pl110_draw_fn_,BITS)[36] =
bdd5003a	47	{
e9c05b42 AZ	48	glue(pl110_draw_line1_lblp_bgr,BITS),
	49	glue(pl110_draw_line2_lblp_bgr,BITS),
	50	glue(pl110_draw_line4_lblp_bgr,BITS),
	51	glue(pl110_draw_line8_lblp_bgr,BITS),
	52	glue(pl110_draw_line16_lblp_bgr,BITS),
	53	glue(pl110_draw_line32_lblp_bgr,BITS),
	54
	55	glue(pl110_draw_line1_bbbp_bgr,BITS),
	56	glue(pl110_draw_line2_bbbp_bgr,BITS),
	57	glue(pl110_draw_line4_bbbp_bgr,BITS),
	58	glue(pl110_draw_line8_bbbp_bgr,BITS),
	59	glue(pl110_draw_line16_bbbp_bgr,BITS),
	60	glue(pl110_draw_line32_bbbp_bgr,BITS),
	61
	62	glue(pl110_draw_line1_lbbp_bgr,BITS),
	63	glue(pl110_draw_line2_lbbp_bgr,BITS),
	64	glue(pl110_draw_line4_lbbp_bgr,BITS),
	65	glue(pl110_draw_line8_lbbp_bgr,BITS),
	66	glue(pl110_draw_line16_lbbp_bgr,BITS),
	67	glue(pl110_draw_line32_lbbp_bgr,BITS),
	68
	69	glue(pl110_draw_line1_lblp_rgb,BITS),
	70	glue(pl110_draw_line2_lblp_rgb,BITS),
	71	glue(pl110_draw_line4_lblp_rgb,BITS),
	72	glue(pl110_draw_line8_lblp_rgb,BITS),
	73	glue(pl110_draw_line16_lblp_rgb,BITS),
	74	glue(pl110_draw_line32_lblp_rgb,BITS),
	75
	76	glue(pl110_draw_line1_bbbp_rgb,BITS),
	77	glue(pl110_draw_line2_bbbp_rgb,BITS),
	78	glue(pl110_draw_line4_bbbp_rgb,BITS),
	79	glue(pl110_draw_line8_bbbp_rgb,BITS),
	80	glue(pl110_draw_line16_bbbp_rgb,BITS),
	81	glue(pl110_draw_line32_bbbp_rgb,BITS),
	82
	83	glue(pl110_draw_line1_lbbp_rgb,BITS),
	84	glue(pl110_draw_line2_lbbp_rgb,BITS),
	85	glue(pl110_draw_line4_lbbp_rgb,BITS),
	86	glue(pl110_draw_line8_lbbp_rgb,BITS),
	87	glue(pl110_draw_line16_lbbp_rgb,BITS),
	88	glue(pl110_draw_line32_lbbp_rgb,BITS),
bdd5003a PB	89	};
	90
	91	#undef BITS
	92	#undef COPY_PIXEL
	93
	94	#else
	95
	96	#if ORDER == 0
e9c05b42	97	#define NAME glue(glue(lblp_, BORDER), BITS)
bdd5003a PB	98	#ifdef WORDS_BIGENDIAN
	99	#define SWAP_WORDS 1
	100	#endif
	101	#elif ORDER == 1
e9c05b42	102	#define NAME glue(glue(bbbp_, BORDER), BITS)
bdd5003a PB	103	#ifndef WORDS_BIGENDIAN
	104	#define SWAP_WORDS 1
	105	#endif
	106	#else
	107	#define SWAP_PIXELS 1
e9c05b42	108	#define NAME glue(glue(lbbp_, BORDER), BITS)
bdd5003a PB	109	#ifdef WORDS_BIGENDIAN
	110	#define SWAP_WORDS 1
	111	#endif
	112	#endif
	113
	114	#define FN_2(x, y) FN(x, y) FN(x+1, y)
1f9519c9	115	#define FN_4(x, y) FN_2(x, y) FN_2(x+2, y)
bdd5003a PB	116	#define FN_8(y) FN_4(0, y) FN_4(4, y)
	117
	118	static void glue(pl110_draw_line1_,NAME)(uint32_t pallette, uint8_t d, const uint8_t *src, int width)
	119	{
	120	uint32_t data;
	121	while (width > 0) {
	122	data = (uint32_t )src;
	123	#ifdef SWAP_PIXELS
	124	#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 7 - (x))) & 1]);
	125	#else
	126	#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x) + y)) & 1]);
	127	#endif
be9d3657	128	#ifdef SWAP_WORDS
bdd5003a PB	129	FN_8(24)
	130	FN_8(16)
	131	FN_8(8)
	132	FN_8(0)
	133	#else
	134	FN_8(0)
	135	FN_8(8)
	136	FN_8(16)
	137	FN_8(24)
	138	#endif
	139	#undef FN
	140	width -= 32;
	141	src += 4;
	142	}
	143	}
	144
	145	static void glue(pl110_draw_line2_,NAME)(uint32_t pallette, uint8_t d, const uint8_t *src, int width)
	146	{
	147	uint32_t data;
	148	while (width > 0) {
	149	data = (uint32_t )src;
	150	#ifdef SWAP_PIXELS
	151	#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 6 - (x)*2)) & 3]);
	152	#else
	153	#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x)*2 + y)) & 3]);
	154	#endif
be9d3657	155	#ifdef SWAP_WORDS
bdd5003a PB	156	FN_4(0, 24)
	157	FN_4(0, 16)
	158	FN_4(0, 8)
	159	FN_4(0, 0)
	160	#else
	161	FN_4(0, 0)
	162	FN_4(0, 8)
	163	FN_4(0, 16)
	164	FN_4(0, 24)
	165	#endif
	166	#undef FN
	167	width -= 16;
	168	src += 4;
	169	}
	170	}
	171
	172	static void glue(pl110_draw_line4_,NAME)(uint32_t pallette, uint8_t d, const uint8_t *src, int width)
	173	{
	174	uint32_t data;
	175	while (width > 0) {
	176	data = (uint32_t )src;
	177	#ifdef SWAP_PIXELS
	178	#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 4 - (x)*4)) & 0xf]);
	179	#else
	180	#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x)*4 + y)) & 0xf]);
	181	#endif
be9d3657	182	#ifdef SWAP_WORDS
bdd5003a PB	183	FN_2(0, 24)
	184	FN_2(0, 16)
	185	FN_2(0, 8)
	186	FN_2(0, 0)
	187	#else
	188	FN_2(0, 0)
	189	FN_2(0, 8)
	190	FN_2(0, 16)
	191	FN_2(0, 24)
	192	#endif
	193	#undef FN
	194	width -= 8;
	195	src += 4;
	196	}
	197	}
	198
	199	static void glue(pl110_draw_line8_,NAME)(uint32_t pallette, uint8_t d, const uint8_t *src, int width)
	200	{
	201	uint32_t data;
	202	while (width > 0) {
	203	data = (uint32_t )src;
	204	#define FN(x) COPY_PIXEL(d, pallette[(data >> (x)) & 0xff]);
be9d3657	205	#ifdef SWAP_WORDS
bdd5003a PB	206	FN(24)
	207	FN(16)
	208	FN(8)
	209	FN(0)
	210	#else
	211	FN(0)
	212	FN(8)
	213	FN(16)
	214	FN(24)
	215	#endif
	216	#undef FN
	217	width -= 4;
	218	src += 4;
	219	}
	220	}
	221
	222	static void glue(pl110_draw_line16_,NAME)(uint32_t pallette, uint8_t d, const uint8_t *src, int width)
	223	{
	224	uint32_t data;
	225	unsigned int r, g, b;
	226	while (width > 0) {
	227	data = (uint32_t )src;
be9d3657	228	#ifdef SWAP_WORDS
bdd5003a PB	229	data = bswap32(data);
bdd5003a PB	230	#endif
e9c05b42 AZ	231	#ifdef RGB
	232	#define LSB r
	233	#define MSB b
	234	#else
	235	#define LSB b
	236	#define MSB r
	237	#endif
bdd5003a	238	#if 0
e9c05b42	239	LSB = data & 0x1f;
bdd5003a PB	240	data >>= 5;
	241	g = data & 0x3f;
	242	data >>= 6;
e9c05b42	243	MSB = data & 0x1f;
bdd5003a PB	244	data >>= 5;
bdd5003a PB	245	#else
e9c05b42	246	LSB = (data & 0x1f) << 3;
bdd5003a PB	247	data >>= 5;
	248	g = (data & 0x3f) << 2;
	249	data >>= 6;
e9c05b42	250	MSB = (data & 0x1f) << 3;
bdd5003a PB	251	data >>= 5;
	252	#endif
	253	COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
e9c05b42	254	LSB = (data & 0x1f) << 3;
bdd5003a PB	255	data >>= 5;
	256	g = (data & 0x3f) << 2;
	257	data >>= 6;
e9c05b42	258	MSB = (data & 0x1f) << 3;
bdd5003a PB	259	data >>= 5;
bdd5003a PB	260	COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
e9c05b42 AZ	261	#undef MSB
e9c05b42 AZ	262	#undef LSB
bdd5003a PB	263	width -= 2;
	264	src += 4;
	265	}
	266	}
	267
	268	static void glue(pl110_draw_line32_,NAME)(uint32_t pallette, uint8_t d, const uint8_t *src, int width)
	269	{
	270	uint32_t data;
	271	unsigned int r, g, b;
	272	while (width > 0) {
	273	data = (uint32_t )src;
e9c05b42 AZ	274	#ifdef RGB
	275	#define LSB r
	276	#define MSB b
	277	#else
	278	#define LSB b
	279	#define MSB r
	280	#endif
be9d3657	281	#ifdef SWAP_WORDS
e9c05b42	282	LSB = data & 0xff;
bdd5003a	283	g = (data >> 8) & 0xff;
e9c05b42	284	MSB = (data >> 16) & 0xff;
bdd5003a	285	#else
e9c05b42	286	LSB = (data >> 24) & 0xff;
bdd5003a	287	g = (data >> 16) & 0xff;
e9c05b42	288	MSB = (data >> 8) & 0xff;
bdd5003a PB	289	#endif
bdd5003a PB	290	COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
e9c05b42 AZ	291	#undef MSB
e9c05b42 AZ	292	#undef LSB
bdd5003a PB	293	width--;
	294	src += 4;
	295	}
	296	}
	297
	298	#undef SWAP_PIXELS
	299	#undef NAME
	300	#undef SWAP_WORDS
	301	#undef ORDER
	302
	303	#endif