M7350/bootable/bootloader/lk/dev/fbcon/fbcon.c
2024-09-09 08:57:42 +00:00

411 lines
9.1 KiB
C

/*
* Copyright (c) 2008, Google Inc.
* All rights reserved.
*
* Copyright (c) 2009-2015, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <debug.h>
#include <err.h>
#include <stdlib.h>
#include <dev/fbcon.h>
#include <splash.h>
#include <platform.h>
#include <string.h>
#include <arch/ops.h>
#if ENABLE_WBC
#include <pm_app_smbchg.h>
#endif
#include "font5x12.h"
struct pos {
int x;
int y;
};
static struct fbcon_config *config = NULL;
#define RGB565_BLACK 0x0000
#define RGB565_WHITE 0xffff
#define RGB888_BLACK 0x000000
#define RGB888_WHITE 0xffffff
#define FONT_WIDTH 5
#define FONT_HEIGHT 12
#define SCALE_FACTOR 2
static uint32_t BGCOLOR;
static uint32_t FGCOLOR;
static struct pos cur_pos;
static struct pos max_pos;
static void fbcon_drawglyph(char *pixels, uint32_t paint, unsigned stride,
unsigned bpp, unsigned *glyph)
{
unsigned x, y, i, j, k;
unsigned data, temp;
uint32_t fg_color = paint;
stride -= FONT_WIDTH * SCALE_FACTOR;
data = glyph[0];
for (y = 0; y < FONT_HEIGHT / 2; ++y) {
temp = data;
for (i = 0; i < SCALE_FACTOR; i++) {
data = temp;
for (x = 0; x < FONT_WIDTH; ++x) {
if (data & 1) {
for (j = 0; j < SCALE_FACTOR; j++) {
fg_color = paint;
for (k = 0; k < bpp; k++) {
*pixels = (unsigned char) fg_color;
fg_color = fg_color >> 8;
pixels++;
}
}
}
else
{
for (j = 0; j < SCALE_FACTOR; j++) {
pixels = pixels + bpp;
}
}
data >>= 1;
}
pixels += (stride * bpp);
}
}
data = glyph[1];
for (y = 0; y < FONT_HEIGHT / 2; ++y) {
temp = data;
for (i = 0; i < SCALE_FACTOR; i++) {
data = temp;
for (x = 0; x < FONT_WIDTH; ++x) {
if (data & 1) {
for (j = 0; j < SCALE_FACTOR; j++) {
fg_color = paint;
for (k = 0; k < bpp; k++) {
*pixels = (unsigned char) fg_color;
fg_color = fg_color >> 8;
pixels++;
}
}
}
else
{
for (j = 0; j < SCALE_FACTOR; j++) {
pixels = pixels + bpp;
}
}
data >>= 1;
}
pixels += (stride * bpp);
}
}
}
static void fbcon_flush(void)
{
unsigned total_x, total_y;
unsigned bytes_per_bpp;
if (config->update_start)
config->update_start();
if (config->update_done)
while (!config->update_done());
total_x = config->width;
total_y = config->height;
bytes_per_bpp = ((config->bpp) / 8);
arch_clean_invalidate_cache_range((addr_t) config->base, (total_x * total_y * bytes_per_bpp));
}
/* TODO: Take stride into account */
static void fbcon_scroll_up(void)
{
unsigned short *dst = config->base;
unsigned short *src = dst + (config->width * FONT_HEIGHT);
unsigned count = config->width * (config->height - FONT_HEIGHT);
while(count--) {
*dst++ = *src++;
}
count = config->width * FONT_HEIGHT;
while(count--) {
*dst++ = BGCOLOR;
}
fbcon_flush();
}
/* TODO: take stride into account */
void fbcon_clear(void)
{
unsigned long i = 0, j = 0;
unsigned char *pixels = config->base;
unsigned count = config->width * config->height;
uint32_t bg_color;
for (i = 0; i < count; i++) {
bg_color = BGCOLOR;
for (j = 0; j < (config->bpp / 8); j++) {
*pixels = (unsigned char) bg_color;
bg_color = bg_color >> 8;
pixels++;
}
}
}
static void fbcon_set_colors(unsigned bg, unsigned fg)
{
BGCOLOR = bg;
FGCOLOR = fg;
}
void fbcon_putc(char c)
{
char *pixels;
/* ignore anything that happens before fbcon is initialized */
if (!config)
return;
if((unsigned char)c > 127)
return;
if((unsigned char)c < 32) {
if(c == '\n')
goto newline;
else if (c == '\r') {
cur_pos.x = 0;
return;
}
else
return;
}
pixels = config->base;
pixels += cur_pos.y * SCALE_FACTOR * ((config->bpp / 8) * FONT_HEIGHT * config->width);
pixels += cur_pos.x * SCALE_FACTOR * ((config->bpp / 8) * (FONT_WIDTH + 1));
fbcon_drawglyph(pixels, FGCOLOR, config->stride, (config->bpp / 8),
font5x12 + (c - 32) * 2);
cur_pos.x++;
if (cur_pos.x < max_pos.x)
return;
newline:
cur_pos.y++;
cur_pos.x = 0;
if(cur_pos.y >= max_pos.y) {
cur_pos.y = max_pos.y - 1;
fbcon_scroll_up();
} else
fbcon_flush();
}
void fbcon_setup(struct fbcon_config *_config)
{
uint32_t bg = 0;
uint32_t fg = 0;
ASSERT(_config);
config = _config;
switch (config->format) {
case FB_FORMAT_RGB565:
fg = RGB565_WHITE;
bg = RGB565_BLACK;
break;
case FB_FORMAT_RGB888:
fg = RGB888_WHITE;
bg = RGB888_BLACK;
break;
default:
dprintf(CRITICAL, "unknown framebuffer pixel format\n");
ASSERT(0);
break;
}
fbcon_set_colors(bg, fg);
cur_pos.x = 0;
cur_pos.y = 0;
max_pos.x = config->width / ((FONT_WIDTH + 1) * SCALE_FACTOR);
max_pos.y = (config->height - 1) / FONT_HEIGHT;
#if !DISPLAY_SPLASH_SCREEN
fbcon_clear();
#endif
}
struct fbcon_config* fbcon_display(void)
{
return config;
}
void fbcon_extract_to_screen(logo_img_header *header, void* address)
{
const uint8_t *imagestart = (const uint8_t *)address;
uint pos = 0, offset;
uint count = 0;
uint x = 0, y = 0;
uint8_t *base, *p;
if (!config || header->width > config->width
|| header->height > config->height) {
dprintf(INFO, "the logo img is too large\n");
return;
}
base = (uint8_t *) config->base;
/* put the logo to be center */
offset = (config->height - header->height) / 2;
if (offset)
base += (offset * config->width) * 3;
offset = (config->width - header->width ) / 2;
x = offset;
while (count < (uint)header->height * (uint)header->width) {
uint8_t run = *(imagestart + pos);
bool repeat_run = (run & 0x80);
uint runlen = (run & 0x7f) + 1;
uint runpos;
/* consume the run byte */
pos++;
p = base + (y * config->width + x) * 3;
/* start of a run */
for (runpos = 0; runpos < runlen; runpos++) {
*p++ = *(imagestart + pos);
*p++ = *(imagestart + pos + 1);
*p++ = *(imagestart + pos + 2);
count++;
x++;
/* if a run of raw pixels, consume an input pixel */
if (!repeat_run)
pos += 3;
}
/* if this was a run of repeated pixels, consume the one input pixel we repeated */
if (repeat_run)
pos += 3;
/* the generator will keep compressing data line by line */
/* don't cross the lines */
if (x == header->width + offset) {
y++;
x = offset;
}
}
}
void display_default_image_on_screen(void)
{
unsigned i = 0;
unsigned total_x;
unsigned total_y;
unsigned bytes_per_bpp;
unsigned image_base;
#if DISPLAY_TYPE_MIPI
char *image = NULL;
#endif
if (!config) {
dprintf(CRITICAL,"NULL configuration, image cannot be displayed\n");
return;
}
fbcon_clear(); // clear screen with Black color
total_x = config->width;
total_y = config->height;
bytes_per_bpp = ((config->bpp) / 8);
image_base = ((((total_y/2) - (SPLASH_IMAGE_HEIGHT / 2) - 1) *
(config->width)) + (total_x/2 - (SPLASH_IMAGE_WIDTH / 2)));
#if DISPLAY_TYPE_MIPI
#if ENABLE_WBC
image = (pm_appsbl_charging_in_progress() ? image_batt888 : imageBuffer_rgb888);
#else
image = imageBuffer_rgb888;
#endif
if (bytes_per_bpp == 3) {
for (i = 0; i < SPLASH_IMAGE_HEIGHT; i++) {
memcpy (config->base + ((image_base + (i * (config->width))) * bytes_per_bpp),
image + (i * SPLASH_IMAGE_WIDTH * bytes_per_bpp),
SPLASH_IMAGE_WIDTH * bytes_per_bpp);
}
}
fbcon_flush();
#if DISPLAY_MIPI_PANEL_NOVATEK_BLUE
if(is_cmd_mode_enabled())
mipi_dsi_cmd_mode_trigger();
#endif
#else
if (bytes_per_bpp == 2) {
for (i = 0; i < SPLASH_IMAGE_HEIGHT; i++) {
memcpy (config->base + ((image_base + (i * (config->width))) * bytes_per_bpp),
imageBuffer + (i * SPLASH_IMAGE_WIDTH * bytes_per_bpp),
SPLASH_IMAGE_WIDTH * bytes_per_bpp);
}
}
fbcon_flush();
#endif
}
void display_image_on_screen(void)
{
#if DISPLAY_TYPE_MIPI
int fetch_image_from_partition();
if (fetch_image_from_partition() < 0) {
display_default_image_on_screen();
} else {
/* data has been put into the right place */
fbcon_flush();
}
#else
display_default_image_on_screen();
#endif
}