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Main/video.cpp
sorgelig b3ee74dd44 Adjust FB TV modes.
2020-01-21 03:06:56 +08:00

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <sys/mman.h>
#include <linux/fb.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <linux/vt.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "hardware.h"
#include "user_io.h"
#include "spi.h"
#include "cfg.h"
#include "file_io.h"
#include "menu.h"
#include "video.h"
#include "input.h"
#include "support.h"
#include "lib/imlib2/Imlib2.h"
#define FB_SIZE (1024*1024*8/4) // 8MB
#define FB_ADDR (0x20000000 + (32*1024*1024)) // 512mb + 32mb(Core's fb)
/*
-- [2:0] : 011=8bpp(palette) 100=16bpp 101=24bpp 110=32bpp
-- [3] : 0=16bits 565 1=16bits 1555
-- [4] : 0=RGB 1=BGR (for 16/24/32 modes)
-- [5] : TBD
*/
#define FB_FMT_565 0b00100
#define FB_FMT_1555 0b01100
#define FB_FMT_888 0b00101
#define FB_FMT_8888 0b00110
#define FB_FMT_PAL8 0b00011
#define FB_FMT_RxB 0b10000
#define FB_EN 0x8000
#define FB_DV_LBRD 3
#define FB_DV_RBRD 6
#define FB_DV_UBRD 2
#define FB_DV_BBRD 2
static volatile uint32_t *fb_base = 0;
static int fb_enabled = 0;
static int fb_width = 0;
static int fb_width_full = 0;
static int fb_height = 0;
static int fb_stride = 0;
static int fb_num = 0;
static int menu_bg = 0;
static int menu_bgn = 0;
struct vmode_t
{
uint32_t vpar[8];
double Fpix;
};
vmode_t vmodes[] =
{
{ { 1280, 110, 40, 220, 720, 5, 5, 20 }, 74.25 }, //0
{ { 1024, 24, 136, 160, 768, 3, 6, 29 }, 65 }, //1
{ { 720, 16, 62, 60, 480, 9, 6, 30 }, 27 }, //2
{ { 720, 12, 64, 68, 576, 5, 5, 39 }, 27 }, //3
{ { 1280, 48, 112, 248, 1024, 1, 3, 38 }, 108 }, //4
{ { 800, 40, 128, 88, 600, 1, 4, 23 }, 40 }, //5
{ { 640, 16, 96, 48, 480, 10, 2, 33 }, 25.175 }, //6
{ { 1280, 440, 40, 220, 720, 5, 5, 20 }, 74.25 }, //7
{ { 1920, 88, 44, 148, 1080, 4, 5, 36 }, 148.5 }, //8
{ { 1920, 528, 44, 148, 1080, 4, 5, 36 }, 148.5 }, //9
{ { 1366, 70, 143, 213, 768, 3, 3, 24 }, 85.5 }, //10
{ { 1024, 40, 104, 144, 600, 1, 3, 18 }, 48.96 }, //11
};
#define VMODES_NUM (sizeof(vmodes) / sizeof(vmodes[0]))
vmode_t tvmodes[] =
{
{{ 640, 30, 60, 70, 240, 4, 4, 14 }, 12.587 }, //NTSC 15K
{{ 640, 30, 60, 70, 480, 8, 4, 33 }, 25.175 }, //NTSC 31K
{{ 640, 30, 60, 70, 288, 6, 4, 14 }, 12.587 }, //PAL 15K
{{ 640, 30, 60, 70, 576, 2, 4, 42 }, 25.175 }, //PAL 31K
};
struct vmode_custom_t
{
uint32_t item[32];
double Fpix;
};
static vmode_custom_t v_cur = {}, v_def = {}, v_pal = {}, v_ntsc = {};
static int vmode_def = 0, vmode_pal = 0, vmode_ntsc = 0;
static uint32_t getPLLdiv(uint32_t div)
{
if (div & 1) return 0x20000 | (((div / 2) + 1) << 8) | (div / 2);
return ((div / 2) << 8) | (div / 2);
}
static int findPLLpar(double Fout, uint32_t *pc, uint32_t *pm, double *pko)
{
uint32_t c = 1;
while ((Fout*c) < 400) c++;
while (1)
{
double fvco = Fout*c;
uint32_t m = (uint32_t)(fvco / 50);
double ko = ((fvco / 50) - m);
fvco = ko + m;
fvco *= 50.f;
if (ko && (ko <= 0.05f || ko >= 0.95f))
{
printf("Fvco=%f, C=%d, M=%d, K=%f ", fvco, c, m, ko);
if (fvco > 1500.f)
{
printf("-> No exact parameters found\n");
return 0;
}
printf("-> K is outside allowed range\n");
c++;
}
else
{
*pc = c;
*pm = m;
*pko = ko;
return 1;
}
}
//will never reach here
return 0;
}
static void setPLL(double Fout, vmode_custom_t *v)
{
double Fpix;
double fvco, ko;
uint32_t m, c;
printf("Calculate PLL for %.4f MHz:\n", Fout);
if (!findPLLpar(Fout, &c, &m, &ko))
{
c = 1;
while ((Fout*c) < 400) c++;
fvco = Fout*c;
m = (uint32_t)(fvco / 50);
ko = ((fvco / 50) - m);
//Make sure K is in allowed range.
if (ko <= 0.05f)
{
ko = 0;
}
else if (ko >= 0.95f)
{
m++;
ko = 0;
}
}
uint32_t k = ko ? (uint32_t)(ko * 4294967296) : 1;
fvco = ko + m;
fvco *= 50.f;
Fpix = fvco / c;
printf("Fvco=%f, C=%d, M=%d, K=%f(%u) -> Fpix=%f\n", fvco, c, m, ko, k, Fpix);
v->item[9] = 4;
v->item[10] = getPLLdiv(m);
v->item[11] = 3;
v->item[12] = 0x10000;
v->item[13] = 5;
v->item[14] = getPLLdiv(c);
v->item[15] = 9;
v->item[16] = 2;
v->item[17] = 8;
v->item[18] = 7;
v->item[19] = 7;
v->item[20] = k;
v->Fpix = Fpix;
}
static char scaler_flt_cfg[1024] = { 0 };
static char new_scaler = 0;
static void setScaler()
{
fileTYPE f = {};
static char filename[1024];
if (!spi_uio_cmd_cont(UIO_SET_FLTNUM))
{
DisableIO();
return;
}
new_scaler = 1;
spi8(scaler_flt_cfg[0]);
DisableIO();
sprintf(filename, COEFF_DIR"/%s", scaler_flt_cfg + 1);
if (FileOpen(&f, filename))
{
//printf("Read scaler coefficients\n");
char *buf = (char*)malloc(f.size+1);
if (buf)
{
memset(buf, 0, f.size + 1);
int size;
if ((size = FileReadAdv(&f, buf, f.size)))
{
spi_uio_cmd_cont(UIO_SET_FLTCOEF);
char *end = buf + size;
char *pos = buf;
int phase = 0;
while (pos < end)
{
char *st = pos;
while ((pos < end) && *pos && (*pos != 10)) pos++;
*pos = 0;
while (*st == ' ' || *st == '\t' || *st == 13) st++;
if (*st == '#' || *st == ';' || !*st) pos++;
else
{
int c0, c1, c2, c3;
int n = sscanf(st, "%d,%d,%d,%d", &c0, &c1, &c2, &c3);
if (n == 4)
{
//printf(" phase %c-%02d: %4d,%4d,%4d,%4d\n", (phase >= 16) ? 'V' : 'H', phase % 16, c0, c1, c2, c3);
//printf("%03X: %03X %03X %03X %03X;\n",phase*4, c0 & 0x1FF, c1 & 0x1FF, c2 & 0x1FF, c3 & 0x1FF);
spi_w((c0 & 0x1FF) | (((phase * 4) + 0) << 9));
spi_w((c1 & 0x1FF) | (((phase * 4) + 1) << 9));
spi_w((c2 & 0x1FF) | (((phase * 4) + 2) << 9));
spi_w((c3 & 0x1FF) | (((phase * 4) + 3) << 9));
phase++;
if (phase >= 32) break;
}
}
}
DisableIO();
}
free(buf);
}
}
}
int video_get_scaler_flt()
{
return new_scaler ? scaler_flt_cfg[0] : -1;
}
char* video_get_scaler_coeff()
{
return scaler_flt_cfg + 1;
}
static char scaler_cfg[128] = { 0 };
void video_set_scaler_flt(int n)
{
scaler_flt_cfg[0] = (char)n;
FileSaveConfig(scaler_cfg, &scaler_flt_cfg, sizeof(scaler_flt_cfg));
spi_uio_cmd8(UIO_SET_FLTNUM, scaler_flt_cfg[0]);
spi_uio_cmd(UIO_SET_FLTCOEF);
}
void video_set_scaler_coeff(char *name)
{
strcpy(scaler_flt_cfg + 1, name);
FileSaveConfig(scaler_cfg, &scaler_flt_cfg, sizeof(scaler_flt_cfg));
setScaler();
user_io_send_buttons(1);
}
static void loadScalerCfg()
{
sprintf(scaler_cfg, "%s_scaler.cfg", user_io_get_core_name_ex());
if (!FileLoadConfig(scaler_cfg, &scaler_flt_cfg, sizeof(scaler_flt_cfg) - 1) || scaler_flt_cfg[0]>4)
{
memset(scaler_flt_cfg, 0, sizeof(scaler_flt_cfg));
}
}
static char gamma_cfg[1024] = { 0 };
static char has_gamma = 0;
static void setGamma()
{
fileTYPE f = {};
static char filename[1024];
if (!spi_uio_cmd_cont(UIO_SET_GAMMA))
{
DisableIO();
return;
}
has_gamma = 1;
spi8(0);
DisableIO();
sprintf(filename, GAMMA_DIR"/%s", gamma_cfg + 1);
if (FileOpen(&f, filename))
{
char *buf = (char*)malloc(f.size+1);
if (buf)
{
memset(buf, 0, f.size + 1);
int size;
if ((size = FileReadAdv(&f, buf, f.size)))
{
spi_uio_cmd_cont(UIO_SET_GAMCURV);
char *end = buf + size;
char *pos = buf;
int index = 0;
while (pos < end)
{
char *st = pos;
while ((pos < end) && *pos && (*pos != 10)) pos++;
*pos = 0;
while (*st == ' ' || *st == '\t' || *st == 13) st++;
if (*st == '#' || *st == ';' || !*st) pos++;
else
{
int c0, c1, c2;
int n = sscanf(st, "%d,%d,%d", &c0, &c1, &c2);
if (n == 1)
{
c1 = c0;
c2 = c0;
n = 3;
}
if (n == 3)
{
spi_w((index << 8) | (c0 & 0xFF));
spi_w((index << 8) | (c1 & 0xFF));
spi_w((index << 8) | (c2 & 0xFF));
index++;
if (index >= 256) break;
}
}
}
DisableIO();
spi_uio_cmd8(UIO_SET_GAMMA, gamma_cfg[0]);
}
free(buf);
}
}
}
int video_get_gamma_en()
{
return has_gamma ? gamma_cfg[0] : -1;
}
char* video_get_gamma_curve()
{
return gamma_cfg + 1;
}
static char gamma_cfg_path[1024] = { 0 };
void video_set_gamma_en(int n)
{
gamma_cfg[0] = (char)n;
FileSaveConfig(gamma_cfg_path, &gamma_cfg, sizeof(gamma_cfg));
setGamma();
}
void video_set_gamma_curve(char *name)
{
strcpy(gamma_cfg + 1, name);
FileSaveConfig(gamma_cfg_path, &gamma_cfg, sizeof(gamma_cfg));
setGamma();
user_io_send_buttons(1);
}
static void loadGammaCfg()
{
sprintf(gamma_cfg_path, "%s_gamma.cfg", user_io_get_core_name_ex());
if (!FileLoadConfig(gamma_cfg_path, &gamma_cfg, sizeof(gamma_cfg) - 1) || gamma_cfg[0]>1)
{
memset(gamma_cfg, 0, sizeof(gamma_cfg));
}
}
static char fb_reset_cmd[128] = {};
static void set_video(vmode_custom_t *v, double Fpix)
{
loadGammaCfg();
setGamma();
loadScalerCfg();
setScaler();
v_cur = *v;
vmode_custom_t v_fix = v_cur;
if (cfg.direct_video)
{
v_fix.item[2] = FB_DV_RBRD;
v_fix.item[4] = FB_DV_LBRD;
v_fix.item[1] += v_cur.item[2] - v_fix.item[2];
v_fix.item[1] += v_cur.item[4] - v_fix.item[4];
v_fix.item[6] = FB_DV_BBRD;
v_fix.item[8] = FB_DV_UBRD;;
v_fix.item[5] += v_cur.item[6] - v_fix.item[6];
v_fix.item[5] += v_cur.item[8] - v_fix.item[8];
}
printf("Send HDMI parameters:\n");
spi_uio_cmd_cont(UIO_SET_VIDEO);
printf("video: ");
for (int i = 1; i <= 8; i++)
{
spi_w(v_fix.item[i]);
printf("%d(%d), ", v_cur.item[i], v_fix.item[i]);
}
if(Fpix) setPLL(Fpix, &v_cur);
printf("\nPLL: ");
for (int i = 9; i < 21; i++)
{
printf("0x%X, ", v_cur.item[i]);
if (i & 1) spi_w(v_cur.item[i] | ((i == 9 && Fpix && cfg.vsync_adjust == 2 && !is_menu_core()) ? 0x8000 : 0));
else
{
spi_w(v_cur.item[i]);
spi_w(v_cur.item[i] >> 16);
}
}
printf("Fpix=%f\n", v_cur.Fpix);
DisableIO();
if (cfg.fb_size < 1) cfg.fb_size = (v_cur.item[1] < 1000) ? 1 : 2;
else if (cfg.fb_size == 3) cfg.fb_size = 2;
else if (cfg.fb_size > 4) cfg.fb_size = 4;
fb_width = v_cur.item[1] / cfg.fb_size;
fb_height = v_cur.item[5] / cfg.fb_size;
fb_stride = ((fb_width * 4) + 255) & ~255;
fb_width_full = fb_stride / 4;
if (fb_enabled) video_fb_enable(1, fb_num);
sprintf(fb_reset_cmd, "echo %d %d %d %d %d >/sys/module/MiSTer_fb/parameters/mode", 8888, 1, fb_width, fb_height, fb_stride);
system(fb_reset_cmd);
}
static int parse_custom_video_mode(char* vcfg, vmode_custom_t *v)
{
int khz = 0;
int cnt = 0;
char *orig = vcfg;
while (*vcfg)
{
char *next;
if (cnt == 9 && v->item[0] == 1)
{
double Fpix = khz ? strtoul(vcfg, &next, 0)/1000.f : strtod(vcfg, &next);
if (vcfg == next || (Fpix < 2.f || Fpix > 300.f))
{
printf("Error parsing video_mode parameter: ""%s""\n", orig);
return -1;
}
setPLL(Fpix, v);
break;
}
uint32_t val = strtoul(vcfg, &next, 0);
if (vcfg == next || (*next != ',' && *next))
{
printf("Error parsing video_mode parameter: ""%s""\n", orig);
return -1;
}
if (!cnt && val >= 100)
{
v->item[cnt++] = 1;
khz = 1;
}
if (cnt < 32) v->item[cnt] = val;
if (*next == ',') next++;
vcfg = next;
cnt++;
}
if (cnt == 1)
{
printf("Set predefined video_mode to %d\n", v->item[0]);
return v->item[0];
}
if ((v->item[0] == 0 && cnt < 21) || (v->item[0] == 1 && cnt < 9))
{
printf("Incorrect amount of items in video_mode parameter: %d\n", cnt);
return -1;
}
if (v->item[0] > 1)
{
printf("Incorrect video_mode parameter\n");
return -1;
}
return -2;
}
static int store_custom_video_mode(char* vcfg, vmode_custom_t *v)
{
int ret = parse_custom_video_mode(vcfg, v);
if (ret == -2) return 1;
uint mode = (ret < 0) ? 0 : ret;
if (mode >= VMODES_NUM) mode = 0;
for (int i = 0; i < 8; i++) v->item[i + 1] = vmodes[mode].vpar[i];
setPLL(vmodes[mode].Fpix, v);
return ret >= 0;
}
static void fb_init()
{
if (!fb_base)
{
int fd = open("/dev/mem", O_RDWR | O_SYNC);
if (fd == -1) return;
fb_base = (volatile uint32_t*)mmap(0, FB_SIZE * 4 * 3, PROT_READ | PROT_WRITE, MAP_SHARED, fd, FB_ADDR);
if (fb_base == (void *)-1)
{
printf("Unable to mmap FB!\n");
fb_base = 0;
}
close(fd);
}
spi_uio_cmd16(UIO_SET_FBUF, 0);
}
void video_mode_load()
{
fb_init();
if (cfg.direct_video && cfg.vsync_adjust)
{
printf("Disabling vsync_adjust because of enabled direct video.\n");
cfg.vsync_adjust = 0;
}
if (cfg.direct_video)
{
int mode = cfg.menu_pal ? 2 : 0;
if (cfg.forced_scandoubler) mode++;
v_def.item[0] = mode;
for (int i = 0; i < 8; i++) v_def.item[i + 1] = tvmodes[mode].vpar[i];
setPLL(tvmodes[mode].Fpix, &v_def);
vmode_def = 1;
vmode_pal = 0;
vmode_ntsc = 0;
}
else
{
vmode_def = store_custom_video_mode(cfg.video_conf, &v_def);
vmode_pal = store_custom_video_mode(cfg.video_conf_pal, &v_pal);
vmode_ntsc = store_custom_video_mode(cfg.video_conf_ntsc, &v_ntsc);
}
set_video(&v_def, 0);
}
static int api1_5 = 0;
int hasAPI1_5()
{
return api1_5 || is_menu_core();
}
static uint32_t show_video_info(int force)
{
uint32_t ret = 0;
static uint16_t nres = 0;
spi_uio_cmd_cont(UIO_GET_VRES);
uint16_t res = spi_w(0);
if ((nres != res) || force)
{
nres = res;
uint32_t width = spi_w(0) | (spi_w(0) << 16);
uint32_t height = spi_w(0) | (spi_w(0) << 16);
uint32_t htime = spi_w(0) | (spi_w(0) << 16);
uint32_t vtime = spi_w(0) | (spi_w(0) << 16);
uint32_t ptime = spi_w(0) | (spi_w(0) << 16);
uint32_t vtimeh = spi_w(0) | (spi_w(0) << 16);
DisableIO();
float vrate = 100000000;
if (vtime) vrate /= vtime; else vrate = 0;
float hrate = 100000;
if (htime) hrate /= htime; else hrate = 0;
float prate = width * 100;
prate /= ptime;
printf("\033[1;33mINFO: Video resolution: %u x %u%s, fHorz = %.1fKHz, fVert = %.1fHz, fPix = %.2fMHz\033[0m\n", width, height, (res & 0x100) ? "i" : "", hrate, vrate, prate);
printf("\033[1;33mINFO: Frame time (100MHz counter): VGA = %d, HDMI = %d\033[0m\n", vtime, vtimeh);
if (vtimeh) api1_5 = 1;
if (hasAPI1_5() && cfg.video_info)
{
static char str[128], res1[16], res2[16];
float vrateh = 100000000;
if (vtimeh) vrateh /= vtimeh; else vrateh = 0;
sprintf(res1, "%dx%d%s", width, height, (res & 0x100) ? "i" : "");
sprintf(res2, "%dx%d", v_cur.item[1], v_cur.item[5]);
sprintf(str, "%9s %6.2fKHz %4.1fHz\n" \
"\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\x81\n" \
"%9s %6.2fMHz %4.1fHz",
res1, hrate, vrate, res2, v_cur.Fpix, vrateh);
Info(str, cfg.video_info * 1000);
}
uint32_t scrh = v_cur.item[5];
if (height && scrh)
{
if (cfg.vscale_border)
{
uint32_t border = cfg.vscale_border * 2;
if ((border + 100) > scrh) border = scrh - 100;
scrh -= border;
}
if (cfg.vscale_mode)
{
uint32_t div = 1 << (cfg.vscale_mode - 1);
uint32_t mag = (scrh*div) / height;
scrh = (height * mag) / div;
}
if(cfg.vscale_border || cfg.vscale_mode)
{
printf("Set vertical scaling to : %d\n", scrh);
spi_uio_cmd16(UIO_SETHEIGHT, scrh);
}
else
{
spi_uio_cmd16(UIO_SETHEIGHT, 0);
}
}
if (vtime && vtimeh) ret = vtime;
minimig_set_adjust(2);
}
else
{
DisableIO();
}
return ret;
}
void video_mode_adjust()
{
uint32_t vtime = show_video_info(0);
if (vtime && cfg.vsync_adjust && !is_menu_core())
{
printf("\033[1;33madjust_video_mode(%u): vsync_adjust=%d", vtime, cfg.vsync_adjust);
int adjust = 1;
vmode_custom_t *v = &v_def;
if (vmode_pal || vmode_ntsc)
{
if (vtime > 1800000)
{
if (vmode_pal)
{
printf(", using PAL mode");
v = &v_pal;
}
else
{
printf(", PAL mode cannot be used. Using predefined NTSC mode");
v = &v_ntsc;
adjust = 0;
}
}
else
{
if (vmode_ntsc)
{
printf(", using NTSC mode");
v = &v_ntsc;
}
else
{
printf(", NTSC mode cannot be used. Using predefined PAL mode");
v = &v_pal;
adjust = 0;
}
}
}
printf(".\033[0m\n");
double Fpix = 0;
if (adjust)
{
Fpix = 100 * (v->item[1] + v->item[2] + v->item[3] + v->item[4]) * (v->item[5] + v->item[6] + v->item[7] + v->item[8]);
Fpix /= vtime;
if (Fpix < 2.f || Fpix > 300.f)
{
printf("Estimated Fpix(%.4f MHz) is outside supported range. Canceling auto-adjust.\n", Fpix);
Fpix = 0;
}
}
set_video(v, Fpix);
user_io_send_buttons(1);
usleep(100000);
show_video_info(1);
}
}
void video_fb_enable(int enable, int n)
{
if (fb_base)
{
int res = spi_uio_cmd_cont(UIO_SET_FBUF);
if (res)
{
if (is_menu_core() && !enable && menu_bg)
{
enable = 1;
n = menu_bgn;
}
if (enable)
{
uint32_t fb_addr = FB_ADDR + (FB_SIZE * 4 * n) + (n ? 0 : 4096);
fb_num = n;
int xoff = 0, yoff = 0;
if (cfg.direct_video)
{
xoff = v_cur.item[4] - FB_DV_LBRD;
yoff = v_cur.item[8] - FB_DV_UBRD;
}
printf("Switch to HPS frame buffer\n");
spi_w((uint16_t)(FB_EN | FB_FMT_RxB | FB_FMT_8888)); // format, enable flag
spi_w((uint16_t)fb_addr); // base address low word
spi_w(fb_addr >> 16); // base address high word
spi_w(fb_width); // frame width
spi_w(fb_height); // frame height
spi_w(xoff); // scaled left
spi_w(xoff + v_cur.item[1] - 1); // scaled right
spi_w(yoff); // scaled top
spi_w(yoff + v_cur.item[5] - 1); // scaled bottom
printf("HPS frame buffer: %dx%d, stride = %d bytes\n", fb_width, fb_height, fb_stride);
if (!fb_num)
{
system(fb_reset_cmd);
input_switch(0);
}
else
{
input_switch(1);
}
}
else
{
printf("Switch to core frame buffer\n");
spi_w(0); // enable flag
input_switch(1);
}
fb_enabled = enable;
}
else
{
printf("Core doesn't support HPS frame buffer\n");
input_switch(1);
}
DisableIO();
if (cfg.direct_video) set_vga_fb(enable);
if (is_menu_core()) user_io_8bit_set_status((fb_enabled && !fb_num) ? 0x160 : 0, 0x1E0);
}
}
int video_fb_state()
{
if (is_menu_core())
{
return fb_enabled && !fb_num;
}
return fb_enabled;
}
static void draw_checkers()
{
volatile uint32_t* buf = fb_base + (FB_SIZE*menu_bgn);
uint32_t col1 = 0x888888;
uint32_t col2 = 0x666666;
int sz = fb_width/128;
int pos = 0;
for (int y = 0; y < fb_height; y++)
{
int c1 = (y / sz) & 1;
pos = y * fb_width_full;
for (int x = 0; x < fb_width; x++)
{
int c2 = c1 ^ ((x / sz) & 1);
buf[pos++] = c2 ? col2 : col1;
}
}
}
static void draw_hbars1()
{
volatile uint32_t* buf = fb_base + (FB_SIZE*menu_bgn);
int old_base = 0;
int gray = 255;
int sz = fb_height/7;
int stp = 0;
for (int y = 0; y < fb_height; y++)
{
int pos = y * fb_width_full;
int base_color = ((7 * y) / fb_height)+1;
if (old_base != base_color)
{
stp = sz;
old_base = base_color;
}
gray = 255 * stp / sz;
for (int x = 0; x < fb_width; x++)
{
uint32_t color = 0;
if (base_color & 4) color |= gray;
if (base_color & 2) color |= gray << 8;
if (base_color & 1) color |= gray << 16;
buf[pos++] = color;
}
stp--;
if (stp < 0) stp = 0;
}
}
static void draw_hbars2()
{
volatile uint32_t* buf = fb_base + (FB_SIZE*menu_bgn);
for (int y = 0; y < fb_height; y++)
{
int pos = y * fb_width_full;
int base_color = ((14 * y) / fb_height);
int inv = base_color & 1;
base_color >>= 1;
base_color = (inv ? base_color : 6 - base_color) + 1;
for (int x = 0; x < fb_width; x++)
{
int gray = (256 * x) / fb_width;
if (inv) gray = 255 - gray;
uint32_t color = 0;
if (base_color & 4) color |= gray;
if (base_color & 2) color |= gray << 8;
if (base_color & 1) color |= gray << 16;
buf[pos++] = color;
}
}
}
static void draw_vbars1()
{
volatile uint32_t* buf = fb_base + (FB_SIZE*menu_bgn);
int sz = fb_width / 7;
int stp = 0;
for (int y = 0; y < fb_height; y++)
{
int pos = y * fb_width_full;
int old_base = 0;
int gray = 255;
for (int x = 0; x < fb_width; x++)
{
int base_color = ((7 * x) / fb_width)+1;
if (old_base != base_color)
{
stp = sz;
old_base = base_color;
}
gray = 255 * stp / sz;
uint32_t color = 0;
if (base_color & 4) color |= gray;
if (base_color & 2) color |= gray << 8;
if (base_color & 1) color |= gray << 16;
buf[pos++] = color;
stp--;
if (stp < 0) stp = 0;
}
}
}
static void draw_vbars2()
{
volatile uint32_t* buf = fb_base + (FB_SIZE*menu_bgn);
for (int y = 0; y < fb_height; y++)
{
int pos = y * fb_width_full;
for (int x = 0; x < fb_width; x++)
{
int gray = ((256 * y) / fb_height);
int base_color = ((14 * x) / fb_width);
int inv = base_color & 1;
base_color >>= 1;
base_color = (inv ? base_color : 6 - base_color) + 1;
if (inv) gray = 255 - gray;
uint32_t color = 0;
if (base_color & 4) color |= gray;
if (base_color & 2) color |= gray << 8;
if (base_color & 1) color |= gray << 16;
buf[pos++] = color;
}
}
}
static void draw_spectrum()
{
volatile uint32_t* buf = fb_base + (FB_SIZE*menu_bgn);
for (int y = 0; y < fb_height; y++)
{
int pos = y * fb_width_full;
int blue = ((256 * y) / fb_height);
for (int x = 0; x < fb_width; x++)
{
int green = ((256 * x) / fb_width) - blue / 2;
int red = 255 - green - blue / 2;
if (red < 0) red = 0;
if (green < 0) green = 0;
buf[pos++] = (red<<16) | (green<<8) | blue;
}
}
}
static void draw_black()
{
volatile uint32_t* buf = fb_base + (FB_SIZE*menu_bgn);
for (int y = 0; y < fb_height; y++)
{
int pos = y * fb_width_full;
for (int x = 0; x < fb_width; x++) buf[pos++] = 0;
}
}
static uint64_t getus()
{
struct timeval tv;
gettimeofday(&tv, NULL);
return (tv.tv_sec * 10000000) + tv.tv_usec;
}
static void vs_wait()
{
int fb = open("/dev/fb0", O_RDWR);
int zero = 0;
uint64_t t1, t2;
if (ioctl(fb, FBIO_WAITFORVSYNC, &zero) == -1)
{
printf("fb ioctl failed: %s\n", strerror(errno));
close(fb);
return;
}
t1 = getus();
ioctl(fb, FBIO_WAITFORVSYNC, &zero);
t2 = getus();
close(fb);
printf("vs_wait(us): %llu\n", t2 - t1);
}
static char *get_file_fromdir(const char* dir, int num, int *count)
{
static char name[256+32];
name[0] = 0;
if(count) *count = 0;
DIR *d = opendir(getFullPath(dir));
if (d)
{
int cnt = 0;
struct dirent *de = readdir(d);
while (de)
{
int len = strlen(de->d_name);
if (len > 4 && (!strcasecmp(de->d_name + len - 4, ".png") || !strcasecmp(de->d_name + len - 4, ".jpg")))
{
if (num == cnt) break;
cnt++;
}
de = readdir(d);
}
if (de)
{
sprintf(name, "%s/%s", dir, de->d_name);
}
closedir(d);
if(count) *count = cnt;
}
return name;
}
static Imlib_Image load_bg()
{
const char* bgdir = "wallpapers";
const char* fname = "menu.png";
if (!FileExists(fname))
{
fname = "menu.jpg";
if (!FileExists(fname)) fname = 0;
}
if (!fname && PathIsDir(bgdir))
{
int rndfd = open("/dev/urandom", O_RDONLY);
if (rndfd >= 0)
{
uint32_t rnd;
read(rndfd, &rnd, sizeof(rnd));
close(rndfd);
int count = 0;
get_file_fromdir(bgdir, -1, &count);
if (count > 0) fname = get_file_fromdir(bgdir, rnd % count, &count);
}
}
if (fname)
{
Imlib_Load_Error error = IMLIB_LOAD_ERROR_NONE;
Imlib_Image img = imlib_load_image_with_error_return(getFullPath(fname), &error);
if (img) return img;
printf("Image %s loading error %d\n", fname, error);
}
return NULL;
}
static int bg_has_picture = 0;
extern uint8_t _binary_logo_png_start[], _binary_logo_png_end[];
void video_menu_bg(int n, int idle)
{
bg_has_picture = 0;
menu_bg = n;
if (n)
{
printf("**** BG DEBUG START ****\n");
printf("n = %d\n", n);
Imlib_Load_Error error;
static Imlib_Image logo = 0;
if (!logo)
{
unlink("/tmp/logo.png");
if (FileSave("/tmp/logo.png", _binary_logo_png_start, _binary_logo_png_end - _binary_logo_png_start))
{
while(1)
{
error = IMLIB_LOAD_ERROR_NONE;
if ((logo = imlib_load_image_with_error_return("/tmp/logo.png", &error))) break;
else
{
if (error != IMLIB_LOAD_ERROR_NO_LOADER_FOR_FILE_FORMAT)
{
printf("logo.png error = %d\n", error);
break;
}
}
vs_wait();
};
if (cfg.osd_rotate)
{
imlib_context_set_image(logo);
imlib_image_orientate(cfg.osd_rotate == 1 ? 3 : 1);
}
}
else
{
printf("Fail to save to /tmp/logo.png\n");
}
unlink("/tmp/logo.png");
printf("Logo = %p\n", logo);
}
menu_bgn = (menu_bgn == 1) ? 2 : 1;
static Imlib_Image menubg = 0;
static Imlib_Image bg1 = 0, bg2 = 0;
if (!bg1) bg1 = imlib_create_image_using_data(fb_width_full, fb_height, (uint32_t*)(fb_base + (FB_SIZE * 1)));
if (!bg1) printf("Warning: bg1 is 0\n");
if (!bg2) bg2 = imlib_create_image_using_data(fb_width_full, fb_height, (uint32_t*)(fb_base + (FB_SIZE * 2)));
if (!bg2) printf("Warning: bg2 is 0\n");
Imlib_Image *bg = (menu_bgn == 1) ? &bg1 : &bg2;
//printf("*bg = %p\n", *bg);
static Imlib_Image curtain = 0;
if (!curtain)
{
curtain = imlib_create_image(fb_width, fb_height);
imlib_context_set_image(curtain);
imlib_image_set_has_alpha(1);
uint32_t *data = imlib_image_get_data();
int sz = fb_width * fb_height;
for (int i = 0; i < sz; i++)
{
*data++ = 0x9F000000;
}
}
switch (n)
{
case 1:
if (!menubg) menubg = load_bg();
if (menubg)
{
imlib_context_set_image(menubg);
int src_w = imlib_image_get_width();
int src_h = imlib_image_get_height();
printf("menubg: src_w=%d, src_h=%d\n", src_w, src_h);
if (*bg)
{
imlib_context_set_image(*bg);
imlib_blend_image_onto_image(menubg, 0,
0, 0, //int source_x, int source_y,
src_w, src_h, //int source_width, int source_height,
0, 0, //int destination_x, int destination_y,
fb_width, fb_height //int destination_width, int destination_height
);
bg_has_picture = 1;
break;
}
else
{
printf("*bg = 0!\n");
}
}
draw_checkers();
break;
case 2:
draw_hbars1();
break;
case 3:
draw_hbars2();
break;
case 4:
draw_vbars1();
break;
case 5:
draw_vbars2();
break;
case 6:
draw_spectrum();
break;
case 7:
draw_black();
break;
}
if (logo && !idle)
{
imlib_context_set_image(logo);
int src_w = imlib_image_get_width();
int src_h = imlib_image_get_height();
printf("logo: src_w=%d, src_h=%d\n", src_w, src_h);
int dst_w, dst_h;
int dst_x, dst_y;
if (cfg.osd_rotate)
{
dst_h = fb_height / 2;
dst_w = src_w * dst_h / src_h;
if (cfg.osd_rotate == 1)
{
dst_x = 0;
dst_y = fb_height - dst_h;
}
else
{
dst_x = fb_width - dst_w;
dst_y = 0;
}
}
else
{
dst_x = 0;
dst_y = 0;
dst_w = fb_width * 2 / 7;
dst_h = src_h * dst_w / src_w;
}
if (*bg)
{
if (cfg.direct_video && (v_cur.item[5] < 300)) dst_h /= 2;
imlib_context_set_image(*bg);
imlib_blend_image_onto_image(logo, 1,
0, 0, //int source_x, int source_y,
src_w, src_h, //int source_width, int source_height,
dst_x, dst_y, //int destination_x, int destination_y,
dst_w, dst_h //int destination_width, int destination_height
);
}
else
{
printf("*bg = 0!\n");
}
}
if (curtain)
{
if (idle > 1 && *bg)
{
imlib_context_set_image(*bg);
imlib_blend_image_onto_image(curtain, 1,
0, 0, //int source_x, int source_y,
fb_width, fb_height, //int source_width, int source_height,
0, 0, //int destination_x, int destination_y,
fb_width, fb_height //int destination_width, int destination_height
);
}
}
else
{
printf("curtain = 0!\n");
}
//test the fb driver
vs_wait();
printf("**** BG DEBUG END ****\n");
}
video_fb_enable(0);
}
int video_bg_has_picture()
{
return bg_has_picture;
}
int video_chvt(int num)
{
static int cur_vt = 0;
if (num)
{
cur_vt = num;
int fd;
if ((fd = open("/dev/tty0", O_RDONLY)) >= 0)
{
if (ioctl(fd, VT_ACTIVATE, cur_vt)) printf("ioctl VT_ACTIVATE fails\n");
if (ioctl(fd, VT_WAITACTIVE, cur_vt)) printf("ioctl VT_WAITACTIVE fails\n");
close(fd);
}
}
return cur_vt ? cur_vt : 1;
}
void video_cmd(char *cmd)
{
if (video_fb_state())
{
int accept = 0;
int fmt = 0, rb = 0, div = -1, width = -1, height = -1;
uint16_t hmin, hmax, vmin, vmax;
if (sscanf(cmd, "fb_cmd0 %d %d %d", &fmt, &rb, &div) == 3)
{
if (div >= 1 && div <= 4)
{
width = v_cur.item[1] / div;
height = v_cur.item[5] / div;
hmin = vmin = 0;
hmax = v_cur.item[1] - 1;
vmax = v_cur.item[5] - 1;
accept = 1;
}
}
if (sscanf(cmd, "fb_cmd2 %d %d %d", &fmt, &rb, &div) == 3)
{
if (div >= 1 && div <= 4)
{
width = v_cur.item[1] / div;
height = v_cur.item[5] / div;
hmin = vmin = 0;
hmax = v_cur.item[1] - 1;
vmax = v_cur.item[5] - 1;
accept = 1;
}
}
if (sscanf(cmd, "fb_cmd1 %d %d %d %d", &fmt, &rb, &width, &height) == 4)
{
if (width < 120 || width > (int)v_cur.item[1]) width = v_cur.item[1];
if (height < 120 || height > (int)v_cur.item[5]) height = v_cur.item[5];
int divx = 1;
int divy = 1;
if (cfg.direct_video && (v_cur.item[5] < 300))
{
// TV 240P/288P
while ((width*(divx + 1)) <= (int)v_cur.item[1]) divx++;
while ((height*(divy + 1)) <= (int)v_cur.item[5]) divy++;
}
else
{
while ((width*(divx + 1)) <= (int)v_cur.item[1] && (height*(divx + 1)) <= (int)v_cur.item[5]) divx++;
divy = divx;
}
hmin = (uint16_t)((v_cur.item[1] - (width * divx)) / 2);
vmin = (uint16_t)((v_cur.item[5] - (height * divy)) / 2);
hmax = hmin + (width * divx) - 1;
vmax = vmin + (height * divy) - 1;
accept = 1;
}
int bpp = 0;
int sc_fmt = 0;
if (accept)
{
switch (fmt)
{
case 8888:
bpp = 4;
sc_fmt = FB_FMT_8888;
break;
case 1555:
bpp = 2;
sc_fmt = FB_FMT_1555;
break;
case 565:
bpp = 2;
sc_fmt = FB_FMT_565;
break;
case 8:
bpp = 1;
sc_fmt = FB_FMT_PAL8;
rb = 0;
break;
default:
accept = 0;
}
}
if (rb)
{
sc_fmt |= FB_FMT_RxB;
rb = 1;
}
if(accept)
{
int stride = ((width * bpp) + 255) & ~255;
printf("fb_cmd: new mode: %dx%d => %dx%d color=%d stride=%d\n", width, height, hmax - hmin + 1, vmax - vmin + 1, fmt, stride);
uint32_t addr = FB_ADDR + 4096;
int xoff = 0, yoff = 0;
if (cfg.direct_video)
{
xoff = v_cur.item[4] - FB_DV_LBRD;
yoff = v_cur.item[8] - FB_DV_UBRD;
}
spi_uio_cmd_cont(UIO_SET_FBUF);
spi_w(FB_EN | sc_fmt); // format, enable flag
spi_w((uint16_t)addr); // base address low word
spi_w(addr >> 16); // base address high word
spi_w(width); // frame width
spi_w(height); // frame height
spi_w(xoff + hmin); // scaled left
spi_w(xoff + hmax); // scaled right
spi_w(yoff + vmin); // scaled top
spi_w(yoff + vmax); // scaled bottom
DisableIO();
if (cmd[6] != '2')
{
static char cmd[256];
sprintf(cmd, "echo %d %d %d %d %d >/sys/module/MiSTer_fb/parameters/mode", fmt, rb, width, height, stride);
system(cmd);
}
}
else
{
printf("video_cmd: unknown command or format.\n");
}
}
}
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