refactor dependencies

[ginge.git] / common / fbdev.c

diff --git a/common/fbdev.c b/common/fbdev.c
deleted file mode 100644 (file)
index afcd529..0000000
--- a/common/fbdev.c
+++ /dev/null
@@ -1,180 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <unistd.h>
-#include <linux/fb.h>
-#include <linux/matroxfb.h>
-
-#include "fbdev.h"
-
-#define FBDEV_MAX_BUFFERS 3
-
-struct vout_fbdev {
-       int     fd;
-       void    *mem;
-       size_t  mem_size;
-       struct  fb_var_screeninfo fbvar_old;
-       struct  fb_var_screeninfo fbvar_new;
-       int     buffer_write;
-       void    *buffers[FBDEV_MAX_BUFFERS];
-       int     buffer_count;
-};
-
-void *vout_fbdev_flip(struct vout_fbdev *fbdev)
-{
-       int draw_buf;
-
-       if (fbdev->buffer_count < 2)
-               return fbdev->mem;
-
-       draw_buf = fbdev->buffer_write;
-       fbdev->buffer_write++;
-       if (fbdev->buffer_write >= fbdev->buffer_count)
-               fbdev->buffer_write = 0;
-
-       fbdev->fbvar_new.yoffset = fbdev->fbvar_old.yres * draw_buf;
-
-       ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new);
-
-       return fbdev->buffers[fbdev->buffer_write];
-}
-
-void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev)
-{
-       int arg = 0;
-       ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &arg);
-}
-
-void vout_fbdev_clear(struct vout_fbdev *fbdev)
-{
-       memset(fbdev->mem, 0, fbdev->mem_size);
-}
-
-struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int no_dblbuf)
-{
-       struct vout_fbdev *fbdev;
-       int i, ret;
-
-       fbdev = calloc(1, sizeof(*fbdev));
-       if (fbdev == NULL)
-               return NULL;
-
-       fbdev->fd = open(fbdev_name, O_RDWR);
-       if (fbdev->fd == -1) {
-               fprintf(stderr, "%s: ", fbdev_name);
-               perror("open");
-               goto fail_open;
-       }
-
-       ret = ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->fbvar_old);
-       if (ret == -1) {
-               perror("FBIOGET_VSCREENINFO ioctl");
-               goto fail;
-       }
-
-       fbdev->fbvar_new = fbdev->fbvar_old;
-       printf("%s: %ix%i@%d\n", fbdev_name, fbdev->fbvar_old.xres, fbdev->fbvar_old.yres,
-               fbdev->fbvar_old.bits_per_pixel);
-       *w = fbdev->fbvar_old.xres;
-       *h = fbdev->fbvar_old.yres;
-       fbdev->buffer_count = FBDEV_MAX_BUFFERS; // be optimistic
-       if (no_dblbuf)
-               fbdev->buffer_count = 1;
-
-       if (fbdev->fbvar_new.bits_per_pixel != 16) {
-               printf(" switching to 16bpp\n");
-               fbdev->fbvar_new.bits_per_pixel = 16;
-               ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new);
-               if (ret == -1) {
-                       perror("FBIOPUT_VSCREENINFO ioctl");
-                       goto fail;
-               }
-       }
-
-       if (fbdev->fbvar_new.yres_virtual < fbdev->fbvar_old.yres * fbdev->buffer_count) {
-               fbdev->fbvar_new.yres_virtual = fbdev->fbvar_old.yres * fbdev->buffer_count;
-               ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new);
-               if (ret == -1) {
-                       fbdev->buffer_count = 1;
-                       fprintf(stderr, "Warning: failed to increase virtual resolution, "
-                                       "doublebuffering disabled\n");
-               }
-       }
-
-       fbdev->mem_size = *w * *h * 2 * fbdev->buffer_count;
-       fbdev->mem = mmap(0, fbdev->mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0);
-       if (fbdev->mem == MAP_FAILED && fbdev->buffer_count > 1) {
-               fprintf(stderr, "Warning: can't map %zd bytes, doublebuffering disabled\n", fbdev->mem_size);
-               fbdev->mem_size = *w * *h * 2;
-               fbdev->buffer_count = 1;
-               fbdev->mem = mmap(0, fbdev->mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0);
-       }
-       if (fbdev->mem == MAP_FAILED) {
-               perror("mmap framebuffer");
-               goto fail;
-       }
-       memset(fbdev->mem, 0, fbdev->mem_size);
-       for (i = 0; i < fbdev->buffer_count; i++)
-               fbdev->buffers[i] = (char *)fbdev->mem + i * *w * *h * 2;
-
-       // some checks
-       ret = 0;
-       ret = ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &ret);
-       if (ret != 0)
-               fprintf(stderr, "Warning: vsync doesn't seem to be supported\n");
-
-       if (fbdev->buffer_count > 1) {
-               fbdev->buffer_write = 0;
-               fbdev->fbvar_new.yoffset = fbdev->fbvar_old.yres * (fbdev->buffer_count - 1);
-               ret = ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new);
-               if (ret != 0) {
-                       fbdev->buffer_count = 1;
-                       fprintf(stderr, "Warning: can't pan display, doublebuffering disabled\n");
-               }
-       }
-
-       printf("fbdev initialized.\n");
-       return fbdev;
-
-fail:
-       close(fbdev->fd);
-fail_open:
-       free(fbdev);
-       return NULL;
-}
-
-void vout_fbdev_finish(struct vout_fbdev *fbdev)
-{
-       ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_old);
-       if (fbdev->mem != MAP_FAILED)
-               munmap(fbdev->mem, fbdev->mem_size);
-       if (fbdev->fd >= 0)
-               close(fbdev->fd);
-       fbdev->mem = NULL;
-       fbdev->fd = -1;
-       free(fbdev);
-}
-
-#if 0
-void *g_screen_ptr;
-int main()
-{
-       int w, h;
-       vout_fbdev_init(&w, &h);
-       //while (1)
-       {
-               memset(g_screen_ptr, 0xff, fbdev_mem_size / 2);
-               plat_video_wait_vsync();
-               plat_video_flip();
-               memset(g_screen_ptr, 0x00, fbdev_mem_size / 2);
-               usleep(8000);
-//             plat_video_wait_vsync();
-               plat_video_flip();
-       }
-}
-#endif