--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/ps3/SDL_ps3video.c	Mon Sep 07 04:51:29 2009 +0000
@@ -0,0 +1,224 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2009 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/* SDL PS3 video driver implementation based on dummy video driver
+ *
+ * Initial work by Ryan C. Gordon (icculus@icculus.org). A good portion
+ *  of this was cut-and-pasted from Stephane Peter's work in the AAlib
+ *  SDL video driver.  Renamed to "DUMMY" by Sam Lantinga.
+ */
+
+#include "SDL_video.h"
+#include "SDL_mouse.h"
+#include "../SDL_sysvideo.h"
+#include "../SDL_pixels_c.h"
+#include "../../events/SDL_events_c.h"
+
+#include "SDL_ps3video.h"
+#include "SDL_ps3spe_c.h"
+#include "SDL_ps3events_c.h"
+#include "SDL_ps3render_c.h"
+#include "SDL_ps3modes_c.h"
+
+#include <fcntl.h>
+#include <linux/fb.h>
+#include <asm/ps3fb.h>
+#include <sys/mman.h>
+
+#define PS3VID_DRIVER_NAME "ps3"
+
+/* Initialization/Query functions */
+static int PS3_VideoInit(_THIS);
+static void PS3_VideoQuit(_THIS);
+
+/* Stores the SPE executable name of fb_writer_spu */
+extern spe_program_handle_t fb_writer_spu;
+
+/* PS3 driver bootstrap functions */
+
+static int
+PS3_Available(void)
+{
+    deprintf(1, "+PS3_Available()\n");
+    const char *envr = SDL_getenv("SDL_VIDEODRIVER");
+    if ((envr) && (SDL_strcmp(envr, PS3VID_DRIVER_NAME) == 0)) {
+        return (1);
+    }
+
+    deprintf(1, "-PS3_Available()\n");
+    return (0);
+}
+
+static void
+PS3_DeleteDevice(SDL_VideoDevice * device)
+{
+    deprintf(1, "+PS3_DeleteDevice()\n");
+    SDL_free(device->driverdata);
+    SDL_free(device);
+    deprintf(1, "-PS3_DeleteDevice()\n");
+}
+
+static SDL_VideoDevice *
+PS3_CreateDevice(int devindex)
+{
+    deprintf(1, "+PS3_CreateDevice()\n");
+    SDL_VideoDevice *device;
+    SDL_VideoData *data;
+
+    /* Initialize all variables that we clean on shutdown */
+    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
+    if (!device) {
+        SDL_OutOfMemory();
+        if (device) {
+            SDL_free(device);
+        }
+        return (0);
+    }
+    data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
+    if (!data) {
+        SDL_OutOfMemory();
+        SDL_free(device);
+        return (0);
+    }
+    device->driverdata = data;
+
+    /* Set the function pointers */
+    device->VideoInit = PS3_VideoInit;
+    device->VideoQuit = PS3_VideoQuit;
+    device->SetDisplayMode = PS3_SetDisplayMode;
+    device->GetDisplayModes = PS3_GetDisplayModes;
+    device->PumpEvents = PS3_PumpEvents;
+
+    device->free = PS3_DeleteDevice;
+
+    deprintf(1, "-PS3_CreateDevice()\n");
+    return device;
+}
+
+VideoBootStrap PS3_bootstrap = {
+    PS3VID_DRIVER_NAME, "SDL PS3 Cell video driver",
+    PS3_Available, PS3_CreateDevice
+};
+
+
+int
+PS3_VideoInit(_THIS)
+{
+    deprintf(1, "PS3_VideoInit()\n");
+
+    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
+    SDL_DisplayMode mode;
+
+    /* Create SPU fb_parms and thread structure */
+    data->fb_parms = (struct fb_writer_parms_t *)
+        memalign(16, sizeof(struct fb_writer_parms_t));
+    data->fb_thread_data = (spu_data_t *) malloc(sizeof(spu_data_t));
+    if (data->fb_parms == NULL || data->fb_thread_data == NULL) {
+        SDL_OutOfMemory();
+        return -1;
+    }
+    data->fb_thread_data->program = fb_writer_spu;
+    data->fb_thread_data->program_name = "fb_writer_spu";
+    data->fb_thread_data->argp = (void *)data->fb_parms;
+    data->fb_thread_data->keepalive = 1;
+    data->fb_thread_data->booted = 0;
+
+    SPE_Start(data->fb_thread_data);
+
+    /* Open the device */
+    data->fbdev = open(PS3DEV, O_RDWR);
+    if (data->fbdev < 0) {
+        SDL_SetError("[PS3] Unable to open device %s", PS3DEV);
+        return -1;
+    }
+
+    /* Take control of frame buffer from kernel, for details see
+     * http://felter.org/wesley/files/ps3/linux-20061110-docs/ApplicationProgrammingEnvironment.html
+     * kernel will no longer flip the screen itself
+     */
+    ioctl(data->fbdev, PS3FB_IOCTL_ON, 0);
+
+    /* Unblank screen */
+    ioctl(data->fbdev, FBIOBLANK, 0);
+
+    struct fb_fix_screeninfo fb_finfo;
+    if (ioctl(data->fbdev, FBIOGET_FSCREENINFO, &fb_finfo)) {
+        SDL_SetError("[PS3] Can't get fixed screeninfo");
+        return (0);
+    }
+
+    /* Note: on PS3, fb_finfo.smem_len is enough for double buffering */
+    if ((data->frame_buffer = (uint8_t *)mmap(0, fb_finfo.smem_len,
+        PROT_READ | PROT_WRITE, MAP_SHARED,
+        data->fbdev, 0)) == (uint8_t *) - 1) {
+        SDL_SetError("[PS3] Can't mmap for %s", PS3DEV);
+        return (0);
+    } else {
+        /* Enable double buffering */
+    }
+
+    /* Blank screen */
+    memset(data->frame_buffer, 0x00, fb_finfo.smem_len);
+
+    PS3_InitModes(_this);
+    SDL_AddRenderDriver(0, &SDL_PS3_RenderDriver);
+
+    /* We're done! */
+    return 0;
+}
+
+void
+PS3_VideoQuit(_THIS)
+{
+    deprintf(1, "PS3_VideoQuit()\n");
+    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
+
+    PS3_QuitModes(_this);
+
+    /* Unmap framebuffer */
+    if (data->frame_buffer) {
+        struct fb_fix_screeninfo fb_finfo;
+        if (ioctl(data->fbdev, FBIOGET_FSCREENINFO, &fb_finfo) != -1) {
+            munmap(data->frame_buffer, fb_finfo.smem_len);
+            data->frame_buffer = 0;
+        }
+    }
+
+    /* Shutdown SPE and related resources */
+    if (data->fb_parms)
+        free((void *)data->fb_parms);
+    if (data->fb_thread_data) {
+        SPE_Shutdown(data->fb_thread_data);
+        free((void *)data->fb_thread_data);
+    }
+
+    /* Close device */
+    if (data->fbdev) {
+        /* Give control of frame buffer back to kernel */
+        ioctl(data->fbdev, PS3FB_IOCTL_OFF, 0);
+        close(data->fbdev);
+        data->fbdev = -1;
+    }
+}
+
+/* vi: set ts=4 sw=4 expandtab: */