Add a totally hackish video mode change mecanism

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/petitboot.c b/petitboot.c
index 416434adbeba2d8bca13b7d515906eaa1493f869..b76a7189518fd67b95cd6a096850e21cf8429957 100644 (file)
--- a/petitboot.c
+++ b/petitboot.c
@@ -5,6 +5,8 @@
 #include <unistd.h>
 #include <syscall.h>
 #include <assert.h>
 #include <unistd.h>
 #include <syscall.h>
 #include <assert.h>

+#include <fcntl.h>
+#include <sys/ioctl.h>

 
 #include <linux/input.h>
 
 
 #include <linux/input.h>
 


@@ -28,7 +30,8 @@ static twin_fbdev_t *pboot_fbdev;
 
 static twin_screen_t *pboot_screen;
 
 
 static twin_screen_t *pboot_screen;
 

-#define PBOOT_INITIAL_MESSAGE          "Petitboot v0.0.1"
+#define PBOOT_INITIAL_MESSAGE          \
+       "video hack: 0=default 1=720p 2=1080i 3=1080p"  

 
 #define PBOOT_LEFT_PANE_SIZE           160
 #define PBOOT_LEFT_PANE_COLOR          0x80000000
 
 #define PBOOT_LEFT_PANE_SIZE           160
 #define PBOOT_LEFT_PANE_COLOR          0x80000000


@@ -138,6 +141,8 @@ static pboot_lpane_t        *pboot_lpane;
 static pboot_rpane_t   *pboot_rpane;
 static pboot_spane_t   *pboot_spane;
 
 static pboot_rpane_t   *pboot_rpane;
 static pboot_spane_t   *pboot_spane;
 

+static int pboot_vmode_change = -1;
+

 /* XXX move to twin */
 static inline twin_bool_t twin_rect_intersect(twin_rect_t r1,
                                              twin_rect_t r2)
 /* XXX move to twin */
 static inline twin_bool_t twin_rect_intersect(twin_rect_t r1,
                                              twin_rect_t r2)


@@ -686,6 +691,11 @@ static twin_bool_t pboot_lpane_event (twin_window_t            *window,
        return TWIN_FALSE;
 }
 
        return TWIN_FALSE;
 }
 

+static void pboot_quit(void)
+{
+       kill(0, SIGINT);
+}
+

 twin_bool_t pboot_event_filter(twin_screen_t       *screen,
                               twin_event_t         *event)
 {
 twin_bool_t pboot_event_filter(twin_screen_t       *screen,
                               twin_event_t         *event)
 {


@@ -701,6 +711,25 @@ twin_bool_t pboot_event_filter(twin_screen_t           *screen,
                                               pboot_cursor_hy);
                break;
        case TwinEventKeyDown:
                                               pboot_cursor_hy);
                break;
        case TwinEventKeyDown:

+               /* Gross hack for video modes, need something better ! */
+               switch(event->u.key.key) {
+               case KEY_0:
+                       pboot_vmode_change = 0; /* auto */
+                       pboot_quit();
+                       return TWIN_TRUE;
+               case KEY_1:
+                       pboot_vmode_change = 3; /* 720p */
+                       pboot_quit();
+                       return TWIN_TRUE;
+               case KEY_2:
+                       pboot_vmode_change = 4; /* 1080i */
+                       pboot_quit();
+                       return TWIN_TRUE;
+               case KEY_3:
+                       pboot_vmode_change = 5; /* 1080p */
+                       pboot_quit();
+                       return TWIN_TRUE;
+               }

        case TwinEventKeyUp:
                twin_screen_set_cursor(pboot_screen, NULL, 0, 0);
                break;
        case TwinEventKeyUp:
                twin_screen_set_cursor(pboot_screen, NULL, 0, 0);
                break;


@@ -978,12 +1007,22 @@ static void pboot_make_background(void)
        twin_screen_set_background(pboot_screen, scaledpic);
 }
 
        twin_screen_set_background(pboot_screen, scaledpic);
 }
 

+#define PS3FB_IOCTL_SETMODE          _IOW('r',  1, int)
+#define PS3FB_IOCTL_GETMODE          _IOR('r',  2, int)
+

 static void exitfunc(void)
 {
 #ifndef _USE_X11
        if (pboot_fbdev)
                twin_fbdev_destroy(pboot_fbdev);
        pboot_fbdev = NULL;
 static void exitfunc(void)
 {
 #ifndef _USE_X11
        if (pboot_fbdev)
                twin_fbdev_destroy(pboot_fbdev);
        pboot_fbdev = NULL;

+       if (pboot_vmode_change != -1) {
+               int fd = open("/dev/fb0", O_RDWR);
+               if (fd >= 0)
+                       ioctl(fd, PS3FB_IOCTL_SETMODE,
+                             (unsigned long)&pboot_vmode_change);
+               close(fd);
+       }

 #endif
 }
 
 #endif
 }