/
sunxi_disp.c
901 lines (778 loc) · 28.7 KB
/
sunxi_disp.c
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/*
* Copyright © 2013 Siarhei Siamashka <siarhei.siamashka@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <inttypes.h>
#include <linux/fb.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include "sunxi_disp.h"
#include "sunxi_disp_ioctl.h"
#include "g2d_driver.h"
/*****************************************************************************/
sunxi_disp_t *sunxi_disp_init(const char *device, void *xserver_fbmem)
{
sunxi_disp_t *ctx = calloc(sizeof(sunxi_disp_t), 1);
struct fb_var_screeninfo fb_var;
struct fb_fix_screeninfo fb_fix;
int tmp, version;
int gfx_layer_size;
int ovl_layer_size;
/* use /dev/fb0 by default */
if (!device)
device = "/dev/fb0";
if (strcmp(device, "/dev/fb0") == 0) {
ctx->fb_id = 0;
}
else if (strcmp(device, "/dev/fb1") == 0) {
ctx->fb_id = 1;
}
else
{
free(ctx);
return NULL;
}
/* store the already existing mapping done by xserver */
ctx->xserver_fbmem = xserver_fbmem;
ctx->fd_disp = open("/dev/disp", O_RDWR);
/* maybe it's even not a sunxi hardware */
if (ctx->fd_disp < 0) {
free(ctx);
return NULL;
}
/* version check */
tmp = SUNXI_DISP_VERSION;
version = ioctl(ctx->fd_disp, DISP_CMD_VERSION, &tmp);
if (version < 0) {
close(ctx->fd_disp);
free(ctx);
return NULL;
}
ctx->fd_fb = open(device, O_RDWR);
if (ctx->fd_fb < 0) {
close(ctx->fd_disp);
free(ctx);
return NULL;
}
if (ioctl(ctx->fd_fb, FBIOGET_VSCREENINFO, &fb_var) < 0 ||
ioctl(ctx->fd_fb, FBIOGET_FSCREENINFO, &fb_fix) < 0)
{
close(ctx->fd_fb);
close(ctx->fd_disp);
free(ctx);
return NULL;
}
ctx->xres = fb_var.xres;
ctx->yres = fb_var.yres;
ctx->bits_per_pixel = fb_var.bits_per_pixel;
ctx->framebuffer_paddr = fb_fix.smem_start;
ctx->framebuffer_size = fb_fix.smem_len;
ctx->framebuffer_height = ctx->framebuffer_size /
(ctx->xres * ctx->bits_per_pixel / 8);
ctx->gfx_layer_size = ctx->xres * ctx->yres * fb_var.bits_per_pixel / 8;
if (ctx->framebuffer_size < ctx->gfx_layer_size) {
close(ctx->fd_fb);
close(ctx->fd_disp);
free(ctx);
return NULL;
}
if (ctx->xserver_fbmem) {
/* use already existing mapping */
ctx->framebuffer_addr = ctx->xserver_fbmem;
}
else {
/* mmap framebuffer memory */
ctx->framebuffer_addr = (uint8_t *)mmap(0, ctx->framebuffer_size,
PROT_READ | PROT_WRITE,
MAP_SHARED, ctx->fd_fb, 0);
if (ctx->framebuffer_addr == MAP_FAILED) {
close(ctx->fd_fb);
close(ctx->fd_disp);
free(ctx);
return NULL;
}
}
ctx->cursor_enabled = 0;
ctx->cursor_x = -1;
ctx->cursor_y = -1;
/* Get the id of the screen layer */
if (ioctl(ctx->fd_fb,
ctx->fb_id == 0 ? FBIOGET_LAYER_HDL_0 : FBIOGET_LAYER_HDL_1,
&ctx->gfx_layer_id))
{
close(ctx->fd_fb);
close(ctx->fd_disp);
free(ctx);
return NULL;
}
if (sunxi_layer_reserve(ctx) < 0)
{
close(ctx->fd_fb);
close(ctx->fd_disp);
free(ctx);
return NULL;
}
ctx->fd_g2d = open("/dev/g2d", O_RDWR);
ctx->blt2d.self = ctx;
ctx->blt2d.overlapped_blt = sunxi_g2d_blt;
return ctx;
}
int sunxi_disp_close(sunxi_disp_t *ctx)
{
if (ctx->fd_disp >= 0) {
if (ctx->fd_g2d >= 0) {
close(ctx->fd_g2d);
}
/* release layer */
sunxi_layer_release(ctx);
/* disable cursor */
if (ctx->cursor_enabled)
sunxi_hw_cursor_hide(ctx);
/* close descriptors */
if (!ctx->xserver_fbmem)
munmap(ctx->framebuffer_addr, ctx->framebuffer_size);
close(ctx->fd_fb);
close(ctx->fd_disp);
ctx->fd_disp = -1;
free(ctx);
}
return 0;
}
/*****************************************************************************
* Support for hardware cursor, which has 64x64 size, 2 bits per pixel, *
* four 32-bit ARGB entries in the palette. *
*****************************************************************************/
int sunxi_hw_cursor_load_64x64x2bpp(sunxi_disp_t *ctx, uint8_t pixeldata[1024])
{
uint32_t tmp[4];
__disp_hwc_pattern_t hwc;
hwc.addr = (uintptr_t)&pixeldata[0];
hwc.pat_mode = DISP_HWC_MOD_H64_V64_2BPP;
tmp[0] = ctx->fb_id;
tmp[1] = (uintptr_t)&hwc;
return ioctl(ctx->fd_disp, DISP_CMD_HWC_SET_FB, &tmp);
}
int sunxi_hw_cursor_load_32x32x8bpp(sunxi_disp_t *ctx, uint8_t pixeldata[1024])
{
uint32_t tmp[4];
__disp_hwc_pattern_t hwc;
hwc.addr = (uintptr_t)&pixeldata[0];
hwc.pat_mode = DISP_HWC_MOD_H32_V32_8BPP;
tmp[0] = ctx->fb_id;
tmp[1] = (uintptr_t)&hwc;
return ioctl(ctx->fd_disp, DISP_CMD_HWC_SET_FB, &tmp);
}
int sunxi_hw_cursor_load_palette(sunxi_disp_t *ctx, uint32_t *palette, int n)
{
uint32_t tmp[4];
tmp[0] = ctx->fb_id;
tmp[1] = (uintptr_t)palette;
tmp[2] = 0;
tmp[3] = n * sizeof(uint32_t);
return ioctl(ctx->fd_disp, DISP_CMD_HWC_SET_PALETTE_TABLE, &tmp);
}
int sunxi_hw_cursor_set_position(sunxi_disp_t *ctx, int x, int y)
{
int result;
uint32_t tmp[4];
__disp_pos_t pos = { x, y };
tmp[0] = ctx->fb_id;
tmp[1] = (uintptr_t)&pos;
if (pos.x < 0)
pos.x = 0;
if (pos.y < 0)
pos.y = 0;
result = ioctl(ctx->fd_disp, DISP_CMD_HWC_SET_POS, &tmp);
if (result >= 0) {
ctx->cursor_x = pos.x;
ctx->cursor_y = pos.y;
}
return result;
}
int sunxi_hw_cursor_show(sunxi_disp_t *ctx)
{
int result;
uint32_t tmp[4];
tmp[0] = ctx->fb_id;
result = ioctl(ctx->fd_disp, DISP_CMD_HWC_OPEN, &tmp);
if (result >= 0)
ctx->cursor_enabled = 1;
return result;
}
int sunxi_hw_cursor_hide(sunxi_disp_t *ctx)
{
int result;
uint32_t tmp[4];
tmp[0] = ctx->fb_id;
result = ioctl(ctx->fd_disp, DISP_CMD_HWC_CLOSE, &tmp);
if (result >= 0)
ctx->cursor_enabled = 0;
return result;
}
/*****************************************************************************
* Support for scaled layers *
*****************************************************************************/
static int sunxi_layer_change_work_mode(sunxi_disp_t *ctx, int new_mode)
{
__disp_layer_info_t layer_info;
uint32_t tmp[4];
if (ctx->layer_id < 0)
return -1;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
tmp[2] = (uintptr_t)&layer_info;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_GET_PARA, tmp) < 0)
return -1;
layer_info.mode = new_mode;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
tmp[2] = (uintptr_t)&layer_info;
return ioctl(ctx->fd_disp, DISP_CMD_LAYER_SET_PARA, tmp);
}
int sunxi_layer_reserve(sunxi_disp_t *ctx)
{
__disp_layer_info_t layer_info;
uint32_t tmp[4];
/* try to allocate a layer */
tmp[0] = ctx->fb_id;
tmp[1] = DISP_LAYER_WORK_MODE_NORMAL;
ctx->layer_id = ioctl(ctx->fd_disp, DISP_CMD_LAYER_REQUEST, &tmp);
if (ctx->layer_id < 0)
return -1;
/* Initially set the layer configuration to something reasonable */
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
tmp[2] = (uintptr_t)&layer_info;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_GET_PARA, tmp) < 0)
return -1;
/* the screen and overlay layers need to be in different pipes */
layer_info.pipe = 1;
layer_info.alpha_en = 1;
layer_info.alpha_val = 255;
layer_info.fb.addr[0] = ctx->framebuffer_paddr;
layer_info.fb.size.width = 1;
layer_info.fb.size.height = 1;
layer_info.fb.format = DISP_FORMAT_ARGB8888;
layer_info.fb.seq = DISP_SEQ_ARGB;
layer_info.fb.mode = DISP_MOD_INTERLEAVED;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
tmp[2] = (uintptr_t)&layer_info;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_SET_PARA, tmp) < 0)
return -1;
/* Now probe the scaler mode to see if there is a free scaler available */
if (sunxi_layer_change_work_mode(ctx, DISP_LAYER_WORK_MODE_SCALER) == 0)
ctx->layer_has_scaler = 1;
/* Revert back to normal mode */
sunxi_layer_change_work_mode(ctx, DISP_LAYER_WORK_MODE_NORMAL);
ctx->layer_scaler_is_enabled = 0;
ctx->layer_format = DISP_FORMAT_ARGB8888;
return ctx->layer_id;
}
int sunxi_layer_release(sunxi_disp_t *ctx)
{
int result;
uint32_t tmp[4];
if (ctx->layer_id < 0)
return -1;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
ioctl(ctx->fd_disp, DISP_CMD_LAYER_RELEASE, &tmp);
ctx->layer_id = -1;
ctx->layer_has_scaler = 0;
return 0;
}
int sunxi_layer_set_rgb_input_buffer(sunxi_disp_t *ctx,
int bpp,
uint32_t offset_in_framebuffer,
int width,
int height,
int stride)
{
__disp_fb_t fb;
__disp_rect_t rect = { 0, 0, width, height };
uint32_t tmp[4];
memset(&fb, 0, sizeof(fb));
if (ctx->layer_id < 0)
return -1;
if (ctx->layer_scaler_is_enabled) {
if (sunxi_layer_change_work_mode(ctx, DISP_LAYER_WORK_MODE_NORMAL) == 0)
ctx->layer_scaler_is_enabled = 0;
else
return -1;
}
fb.addr[0] = ctx->framebuffer_paddr + offset_in_framebuffer;
fb.size.height = height;
if (bpp == 32) {
fb.format = DISP_FORMAT_ARGB8888;
fb.seq = DISP_SEQ_ARGB;
fb.mode = DISP_MOD_INTERLEAVED;
fb.size.width = stride;
} else if (bpp == 16) {
fb.format = DISP_FORMAT_RGB565;
fb.seq = DISP_SEQ_P10;
fb.mode = DISP_MOD_INTERLEAVED;
fb.size.width = stride * 2;
} else {
return -1;
}
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
tmp[2] = (uintptr_t)&fb;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_SET_FB, &tmp) < 0)
return -1;
ctx->layer_format = fb.format;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
tmp[2] = (uintptr_t)▭
return ioctl(ctx->fd_disp, DISP_CMD_LAYER_SET_SRC_WINDOW, &tmp);
}
int sunxi_layer_set_yuv420_input_buffer(sunxi_disp_t *ctx,
uint32_t y_offset_in_framebuffer,
uint32_t u_offset_in_framebuffer,
uint32_t v_offset_in_framebuffer,
int width,
int height,
int stride,
int x_pixel_offset,
int y_pixel_offset)
{
__disp_fb_t fb;
__disp_rect_t rect = { x_pixel_offset, y_pixel_offset, width, height };
uint32_t tmp[4];
memset(&fb, 0, sizeof(fb));
if (ctx->layer_id < 0)
return -1;
if (!ctx->layer_scaler_is_enabled) {
if (sunxi_layer_change_work_mode(ctx, DISP_LAYER_WORK_MODE_SCALER) == 0)
ctx->layer_scaler_is_enabled = 1;
else
return -1;
}
fb.addr[0] = ctx->framebuffer_paddr + y_offset_in_framebuffer;
fb.addr[1] = ctx->framebuffer_paddr + u_offset_in_framebuffer;
fb.addr[2] = ctx->framebuffer_paddr + v_offset_in_framebuffer;
fb.size.width = stride;
fb.size.height = height;
fb.format = DISP_FORMAT_YUV420;
fb.seq = DISP_SEQ_P3210;
fb.mode = DISP_MOD_NON_MB_PLANAR;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
tmp[2] = (uintptr_t)&fb;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_SET_FB, &tmp) < 0)
return -1;
ctx->layer_format = fb.format;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
tmp[2] = (uintptr_t)▭
return ioctl(ctx->fd_disp, DISP_CMD_LAYER_SET_SRC_WINDOW, &tmp);
}
int sunxi_layer_set_output_window(sunxi_disp_t *ctx, int x, int y, int w, int h)
{
__disp_rect_t rect = { x, y, w, h };
uint32_t tmp[4];
if (ctx->layer_id < 0)
return -1;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
tmp[2] = (uintptr_t)▭
return ioctl(ctx->fd_disp, DISP_CMD_LAYER_SET_SCN_WINDOW, &tmp);
}
int sunxi_layer_show(sunxi_disp_t *ctx)
{
uint32_t tmp[4];
if (ctx->layer_id < 0)
return -1;
/* YUV formats need to use a scaler */
if (ctx->layer_format == DISP_FORMAT_YUV420 && !ctx->layer_scaler_is_enabled) {
if (sunxi_layer_change_work_mode(ctx, DISP_LAYER_WORK_MODE_SCALER) == 0)
ctx->layer_scaler_is_enabled = 1;
}
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
return ioctl(ctx->fd_disp, DISP_CMD_LAYER_OPEN, &tmp);
}
int sunxi_layer_hide(sunxi_disp_t *ctx)
{
int result;
uint32_t tmp[4];
if (ctx->layer_id < 0)
return -1;
/* If the layer is hidden, there is no need to keep the scaler occupied */
if (ctx->layer_scaler_is_enabled) {
if (sunxi_layer_change_work_mode(ctx, DISP_LAYER_WORK_MODE_NORMAL) == 0)
ctx->layer_scaler_is_enabled = 0;
}
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
return ioctl(ctx->fd_disp, DISP_CMD_LAYER_CLOSE, &tmp);
}
int sunxi_layer_set_colorkey(sunxi_disp_t *ctx, uint32_t color)
{
uint32_t tmp[4];
__disp_colorkey_t colorkey;
__disp_color_t disp_color;
disp_color.alpha = (color >> 24) & 0xFF;
disp_color.red = (color >> 16) & 0xFF;
disp_color.green = (color >> 8) & 0xFF;
disp_color.blue = (color >> 0) & 0xFF;
colorkey.ck_min = disp_color;
colorkey.ck_max = disp_color;
colorkey.red_match_rule = 2;
colorkey.green_match_rule = 2;
colorkey.blue_match_rule = 2;
tmp[0] = ctx->fb_id;
tmp[1] = (uintptr_t)&colorkey;
if (ioctl(ctx->fd_disp, DISP_CMD_SET_COLORKEY, &tmp))
return -1;
/* Set the overlay layer below the screen layer */
tmp[0] = ctx->fb_id;
tmp[1] = ctx->gfx_layer_id;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_BOTTOM, &tmp) < 0)
return -1;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_BOTTOM, &tmp) < 0)
return -1;
/* Enable color key for the overlay layer */
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_CK_ON, &tmp) < 0)
return -1;
/* Disable color key and enable global alpha for the screen layer */
tmp[0] = ctx->fb_id;
tmp[1] = ctx->gfx_layer_id;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_CK_OFF, &tmp) < 0)
return -1;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->gfx_layer_id;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_ALPHA_ON, &tmp) < 0)
return -1;
return 0;
}
int sunxi_layer_disable_colorkey(sunxi_disp_t *ctx)
{
uint32_t tmp[4];
/* Disable color key for the overlay layer */
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_CK_OFF, &tmp) < 0)
return -1;
/* Set the overlay layer above the screen layer */
tmp[0] = ctx->fb_id;
tmp[1] = ctx->layer_id;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_BOTTOM, &tmp) < 0)
return -1;
tmp[0] = ctx->fb_id;
tmp[1] = ctx->gfx_layer_id;
if (ioctl(ctx->fd_disp, DISP_CMD_LAYER_BOTTOM, &tmp) < 0)
return -1;
return 0;
}
/*****************************************************************************/
int sunxi_wait_for_vsync(sunxi_disp_t *ctx)
{
return ioctl(ctx->fd_fb, FBIO_WAITFORVSYNC, 0);
}
/*****************************************************************************/
int sunxi_g2d_fill_a8r8g8b8(sunxi_disp_t *disp,
int x,
int y,
int w,
int h,
uint32_t color)
{
g2d_fillrect tmp;
if (disp->fd_g2d < 0)
return -1;
if (w <= 0 || h <= 0)
return 0;
tmp.flag = G2D_FIL_NONE;
tmp.dst_image.addr[0] = disp->framebuffer_paddr;
tmp.dst_image.w = disp->xres;
tmp.dst_image.h = disp->framebuffer_height;
tmp.dst_image.format = G2D_FMT_ARGB_AYUV8888;
tmp.dst_image.pixel_seq = G2D_SEQ_NORMAL;
tmp.dst_rect.x = x;
tmp.dst_rect.y = y;
tmp.dst_rect.w = w;
tmp.dst_rect.h = h;
tmp.color = color;
tmp.alpha = 0;
return ioctl(disp->fd_g2d, G2D_CMD_FILLRECT, &tmp);
}
int sunxi_g2d_blit_a8r8g8b8(sunxi_disp_t *disp,
int dst_x,
int dst_y,
int src_x,
int src_y,
int w,
int h)
{
g2d_blt tmp;
if (disp->fd_g2d < 0)
return -1;
if (w <= 0 || h <= 0)
return 0;
tmp.flag = G2D_BLT_NONE;
tmp.src_image.addr[0] = disp->framebuffer_paddr;
tmp.src_image.w = disp->xres;
tmp.src_image.h = disp->framebuffer_height;
tmp.src_image.format = G2D_FMT_ARGB_AYUV8888;
tmp.src_image.pixel_seq = G2D_SEQ_NORMAL;
tmp.src_rect.x = src_x;
tmp.src_rect.y = src_y;
tmp.src_rect.w = w;
tmp.src_rect.h = h;
tmp.dst_image.addr[0] = disp->framebuffer_paddr;
tmp.dst_image.w = disp->xres;
tmp.dst_image.h = disp->framebuffer_height;
tmp.dst_image.format = G2D_FMT_ARGB_AYUV8888;
tmp.dst_image.pixel_seq = G2D_SEQ_NORMAL;
tmp.dst_x = dst_x;
tmp.dst_y = dst_y;
tmp.color = 0;
tmp.alpha = 0;
return ioctl(disp->fd_g2d, G2D_CMD_BITBLT, &tmp);
}
/*
* The following function implements a 16bpp blit using 32bpp mode by
* splitting the area into an aligned middle part (which is blit using
* 32bpp mode) and left and right edges if required.
*
* It assumes the parameters have already been validated by the caller.
* This includes the condition (src_x & 1) == (dst_x & 1), which is
* necessary to be able to use 32bpp mode.
*/
int sunxi_g2d_blit_r5g6b5_in_three(sunxi_disp_t *disp, uint8_t *src_bits,
uint8_t *dst_bits, int src_stride, int dst_stride, int src_x, int src_y,
int dst_x, int dst_y, int w, int h)
{
g2d_blt tmp;
/* Set up the invariant blit parameters. */
tmp.flag = G2D_BLT_NONE;
tmp.src_image.h = src_y + h;
tmp.src_rect.y = src_y;
tmp.src_rect.h = h;
tmp.dst_image.h = dst_y + h;
tmp.dst_y = dst_y;
tmp.color = 0;
tmp.alpha = 0;
if (src_x & 1) {
tmp.src_image.addr[0] = disp->framebuffer_paddr +
(src_bits - disp->framebuffer_addr);
tmp.src_image.format = G2D_FMT_RGB565;
tmp.src_image.pixel_seq = G2D_SEQ_P10;
tmp.src_image.w = src_stride * 2;
tmp.src_rect.x = src_x;
tmp.src_rect.w = 1;
tmp.dst_image.addr[0] = disp->framebuffer_paddr +
(dst_bits - disp->framebuffer_addr);
tmp.dst_image.format = G2D_FMT_RGB565;
tmp.dst_image.pixel_seq = G2D_SEQ_P10;
tmp.dst_image.w = dst_stride * 2;
tmp.dst_x = dst_x;
if (ioctl(disp->fd_g2d, G2D_CMD_BITBLT, &tmp))
return 0;
src_x++;
dst_x++;
w--;
}
if (w >= 2) {
int w2;
tmp.src_image.addr[0] = disp->framebuffer_paddr +
(src_bits - disp->framebuffer_addr);
tmp.src_image.format = G2D_FMT_ARGB_AYUV8888;
tmp.src_image.pixel_seq = G2D_SEQ_NORMAL;
tmp.src_image.w = src_stride;
tmp.src_rect.x = src_x >> 1;
tmp.src_rect.w = w >> 1;
tmp.dst_image.addr[0] = disp->framebuffer_paddr +
(dst_bits - disp->framebuffer_addr);
tmp.dst_image.format = G2D_FMT_ARGB_AYUV8888;
tmp.dst_image.pixel_seq = G2D_SEQ_NORMAL;
tmp.dst_image.w = dst_stride;
tmp.dst_x = dst_x >> 1;
if (ioctl(disp->fd_g2d, G2D_CMD_BITBLT, &tmp))
return 0;
w2 = (w >> 1) * 2;
src_x += w2;
dst_x += w2;
w &= 1;
}
if (w) {
tmp.src_image.addr[0] = disp->framebuffer_paddr +
(src_bits - disp->framebuffer_addr);
tmp.src_image.format = G2D_FMT_RGB565;
tmp.src_image.pixel_seq = G2D_SEQ_P10;
tmp.src_image.w = src_stride * 2;
tmp.src_rect.x = src_x;
tmp.src_rect.w = 1;
tmp.dst_image.addr[0] = disp->framebuffer_paddr +
(dst_bits - disp->framebuffer_addr);
tmp.dst_image.format = G2D_FMT_RGB565;
tmp.dst_image.pixel_seq = G2D_SEQ_P10;
tmp.dst_image.w = dst_stride * 2;
tmp.dst_x = dst_x;
if (ioctl(disp->fd_g2d, G2D_CMD_BITBLT, &tmp))
return 0;
}
return 1;
}
static inline int sunxi_g2d_try_fallback_blt(void *self,
uint32_t *src_bits,
uint32_t *dst_bits,
int src_stride,
int dst_stride,
int src_bpp,
int dst_bpp,
int src_x,
int src_y,
int dst_x,
int dst_y,
int w,
int h)
{
sunxi_disp_t *disp = (sunxi_disp_t *)self;
if (disp->fallback_blt2d)
return disp->fallback_blt2d->overlapped_blt(disp->fallback_blt2d->self,
src_bits, dst_bits,
src_stride, dst_stride,
src_bpp, dst_bpp,
src_x, src_y,
dst_x, dst_y, w, h);
return 0;
}
#define FALLBACK_BLT() sunxi_g2d_try_fallback_blt(self, src_bits, \
dst_bits, src_stride, \
dst_stride, src_bpp, \
dst_bpp, src_x, src_y, \
dst_x, dst_y, w, h);
/*
* G2D counterpart for pixman_blt (function arguments are the same with
* only sunxi_disp_t extra argument added). Supports 16bpp (r5g6b5) and
* 32bpp (a8r8g8b8) formats and also conversion between them.
*
* Can do G2D accelerated blits only if both source and destination
* buffers are inside framebuffer. Returns FALSE (0) otherwise.
*/
int sunxi_g2d_blt(void *self,
uint32_t *src_bits,
uint32_t *dst_bits,
int src_stride,
int dst_stride,
int src_bpp,
int dst_bpp,
int src_x,
int src_y,
int dst_x,
int dst_y,
int w,
int h)
{
sunxi_disp_t *disp = (sunxi_disp_t *)self;
int blt_size_threshold;
g2d_blt tmp;
/* Zero size blit, nothing to do */
if (w <= 0 || h <= 0)
return 1;
/*
* Very minimal validation here. We just assume that if the begginging
* of both source and destination images belongs to the framebuffer,
* then these images are entirely residing inside the framebuffer
* without crossing its borders. Any other checks are supposed
* to be done by the caller.
*/
if ((uint8_t *)src_bits < disp->framebuffer_addr ||
(uint8_t *)src_bits >= disp->framebuffer_addr + disp->framebuffer_size ||
(uint8_t *)dst_bits < disp->framebuffer_addr ||
(uint8_t *)dst_bits >= disp->framebuffer_addr + disp->framebuffer_size)
{
return FALLBACK_BLT();
}
/*
* If the area is smaller than G2D_BLT_SIZE_THRESHOLD, prefer to avoid the
* overhead of G2D and do a CPU blit instead. There is a special threshold
* for 16bpp to 16bpp copy.
*/
if (src_bpp == 16 && dst_bpp == 16)
blt_size_threshold = G2D_BLT_SIZE_THRESHOLD_16BPP;
else
blt_size_threshold = G2D_BLT_SIZE_THRESHOLD;
if (w * h < blt_size_threshold)
return FALLBACK_BLT();
/* Unsupported overlapping type */
if (src_bits == dst_bits && src_y == dst_y && src_x + 1 < dst_x)
return FALLBACK_BLT();
if (disp->fd_g2d < 0)
return FALLBACK_BLT();
/* Do a 16-bit using 32-bit mode if possible. */
if (src_bpp == 16 && dst_bpp == 16 && (src_x & 1) == (dst_x & 1))
/* Check whether the overlapping type is supported, the condition */
/* is slightly different compared to the regular blit. */
if (!(src_bits == dst_bits && src_y == dst_y && src_x < dst_x))
return sunxi_g2d_blit_r5g6b5_in_three(disp, (uint8_t *)src_bits,
(uint8_t *)dst_bits, src_stride, dst_stride, src_x, src_y,
dst_x, dst_y, w, h);
if ((src_bpp != 16 && src_bpp != 32) || (dst_bpp != 16 && dst_bpp != 32))
return FALLBACK_BLT();
tmp.flag = G2D_BLT_NONE;
tmp.src_image.addr[0] = disp->framebuffer_paddr +
((uint8_t *)src_bits - disp->framebuffer_addr);
tmp.src_rect.x = src_x;
tmp.src_rect.y = src_y;
tmp.src_rect.w = w;
tmp.src_rect.h = h;
tmp.src_image.h = src_y + h;
if (src_bpp == 32) {
tmp.src_image.w = src_stride;
tmp.src_image.format = G2D_FMT_ARGB_AYUV8888;
tmp.src_image.pixel_seq = G2D_SEQ_NORMAL;
}
else if (src_bpp == 16) {
tmp.src_image.w = src_stride * 2;
tmp.src_image.format = G2D_FMT_RGB565;
tmp.src_image.pixel_seq = G2D_SEQ_P10;
}
tmp.dst_image.addr[0] = disp->framebuffer_paddr +
((uint8_t *)dst_bits - disp->framebuffer_addr);
tmp.dst_x = dst_x;
tmp.dst_y = dst_y;
tmp.color = 0;
tmp.alpha = 0;
tmp.dst_image.h = dst_y + h;
if (dst_bpp == 32) {
tmp.dst_image.w = dst_stride;
tmp.dst_image.format = G2D_FMT_ARGB_AYUV8888;
tmp.dst_image.pixel_seq = G2D_SEQ_NORMAL;
}
else if (dst_bpp == 16) {
tmp.dst_image.w = dst_stride * 2;
tmp.dst_image.format = G2D_FMT_RGB565;
tmp.dst_image.pixel_seq = G2D_SEQ_P10;
}
return ioctl(disp->fd_g2d, G2D_CMD_BITBLT, &tmp) == 0;
}