gl: clear w, h on reinit

[libpicofe.git] / gp2x / soc.c

diff --git a/gp2x/soc.c b/gp2x/soc.c
index 43ebd85..0d1b8a3 100644 (file)
--- a/gp2x/soc.c
+++ b/gp2x/soc.c
@@ -1,3 +1,14 @@
+/*
+ * (C) Gražvydas "notaz" Ignotas, 2009-2010
+ *
+ * This work is licensed under the terms of any of these licenses
+ * (at your option):
+ *  - GNU GPL, version 2 or later.
+ *  - GNU LGPL, version 2.1 or later.
+ *  - MAME license.
+ * See the COPYING file in the top-level directory.
+ */
+
 #include <stdio.h>
 #include <string.h>
 #include <sys/types.h>
@@ -8,27 +19,13 @@
 
 #include "soc.h"
 
-void (*gp2x_video_flip)(void);
-void (*gp2x_video_flip2)(void);
-void (*gp2x_video_changemode_ll)(int bpp);
-void (*gp2x_video_setpalette)(int *pal, int len);
-void (*gp2x_video_RGB_setscaling)(int ln_offs, int W, int H);
-void (*gp2x_video_wait_vsync)(void);
-
-void (*gp2x_set_cpuclk)(unsigned int mhz);
-
-void (*set_lcd_custom_rate)(int is_pal);
-void (*unset_lcd_custom_rate)(void);
-void (*set_lcd_gamma)(int g100, int A_SNs_curve);
-
-void (*set_ram_timings)(void);
-void (*unset_ram_timings)(void);
-int  (*gp2x_read_battery)(void);
+volatile unsigned short *memregs;
+volatile unsigned int   *memregl;
+int memdev = -1;
 
 unsigned int (*gp2x_get_ticks_ms)(void);
 unsigned int (*gp2x_get_ticks_us)(void);
 
-
 gp2x_soc_t soc_detect(void)
 {
        volatile unsigned short *memregs;
@@ -36,26 +33,27 @@ gp2x_soc_t soc_detect(void)
        static gp2x_soc_t ret = -2;
        int pollux_chipname[0x30/4 + 1];
        char *pollux_chipname_c = (char *)pollux_chipname;
-       int memdev;
+       int memdev_tmp;
        int i;
 
        if ((int)ret != -2)
                /* already detected */
                return ret;
 
-       memdev = open("/dev/mem", O_RDONLY);
-       if (memdev == -1)
+       memdev_tmp = open("/dev/mem", O_RDONLY);
+       if (memdev_tmp == -1)
        {
                perror("open(/dev/mem)");
                ret = -1;
                return -1;
        }
 
-       memregs = mmap(0, 0x20000, PROT_READ, MAP_SHARED, memdev, 0xc0000000);
+       memregs = mmap(0, 0x20000, PROT_READ, MAP_SHARED,
+               memdev_tmp, 0xc0000000);
        if (memregs == MAP_FAILED)
        {
                perror("mmap(memregs)");
-               close(memdev);
+               close(memdev_tmp);
                ret = -1;
                return -1;
        }
@@ -95,7 +93,7 @@ gp2x_soc_t soc_detect(void)
 not_pollux_like:
 out:
        munmap((void *)memregs, 0x20000);
-       close(memdev);
+       close(memdev_tmp);
        return ret;     
 }