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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [video/] [ps3fb.c] - Blame information for rev 62

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/*
 *  linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
 *
 *      Copyright (C) 2006 Sony Computer Entertainment Inc.
 *      Copyright 2006, 2007 Sony Corporation
 *
 *  This file is based on :
 *
 *  linux/drivers/video/vfb.c -- Virtual frame buffer device
 *
 *      Copyright (C) 2002 James Simmons
 *
 *      Copyright (C) 1997 Geert Uytterhoeven
 *
 *  This file is subject to the terms and conditions of the GNU General Public
 *  License. See the file COPYING in the main directory of this archive for
 *  more details.
 */
 
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/console.h>
#include <linux/ioctl.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/uaccess.h>
#include <linux/fb.h>
#include <linux/init.h>
 
#include <asm/abs_addr.h>
#include <asm/lv1call.h>
#include <asm/ps3av.h>
#include <asm/ps3fb.h>
#include <asm/ps3.h>
 
 
#define DEVICE_NAME             "ps3fb"
 
#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC    0x101
#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP    0x102
#define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP        0x600
#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT         0x601
#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC    0x602
 
#define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION       (1ULL << 32)
 
#define L1GPU_DISPLAY_SYNC_HSYNC                1
#define L1GPU_DISPLAY_SYNC_VSYNC                2
 
#define GPU_CMD_BUF_SIZE                        (2 * 1024 * 1024)
#define GPU_FB_START                            (64 * 1024)
#define GPU_IOIF                                (0x0d000000UL)
#define GPU_ALIGN_UP(x)                         _ALIGN_UP((x), 64)
#define GPU_MAX_LINE_LENGTH                     (65536 - 64)
 
#define PS3FB_FULL_MODE_BIT                     0x80
 
#define GPU_INTR_STATUS_VSYNC_0                 0        /* vsync on head A */
#define GPU_INTR_STATUS_VSYNC_1                 1       /* vsync on head B */
#define GPU_INTR_STATUS_FLIP_0                  3       /* flip head A */
#define GPU_INTR_STATUS_FLIP_1                  4       /* flip head B */
#define GPU_INTR_STATUS_QUEUE_0                 5       /* queue head A */
#define GPU_INTR_STATUS_QUEUE_1                 6       /* queue head B */
 
#define GPU_DRIVER_INFO_VERSION                 0x211
 
/* gpu internals */
struct display_head {
        u64 be_time_stamp;
        u32 status;
        u32 offset;
        u32 res1;
        u32 res2;
        u32 field;
        u32 reserved1;
 
        u64 res3;
        u32 raster;
 
        u64 vblank_count;
        u32 field_vsync;
        u32 reserved2;
};
 
struct gpu_irq {
        u32 irq_outlet;
        u32 status;
        u32 mask;
        u32 video_cause;
        u32 graph_cause;
        u32 user_cause;
 
        u32 res1;
        u64 res2;
 
        u32 reserved[4];
};
 
struct gpu_driver_info {
        u32 version_driver;
        u32 version_gpu;
        u32 memory_size;
        u32 hardware_channel;
 
        u32 nvcore_frequency;
        u32 memory_frequency;
 
        u32 reserved[1063];
        struct display_head display_head[8];
        struct gpu_irq irq;
};
 
struct ps3fb_priv {
        unsigned int irq_no;
 
        u64 context_handle, memory_handle;
        void *xdr_ea;
        size_t xdr_size;
        struct gpu_driver_info *dinfo;
 
        u64 vblank_count;       /* frame count */
        wait_queue_head_t wait_vsync;
 
        atomic_t ext_flip;      /* on/off flip with vsync */
        atomic_t f_count;       /* fb_open count */
        int is_blanked;
        int is_kicked;
        struct task_struct *task;
};
static struct ps3fb_priv ps3fb;
 
struct ps3fb_par {
        u32 pseudo_palette[16];
        int mode_id, new_mode_id;
        int res_index;
        unsigned int num_frames;        /* num of frame buffers */
        unsigned int width;
        unsigned int height;
        unsigned long full_offset;      /* start of fullscreen DDR fb */
        unsigned long fb_offset;        /* start of actual DDR fb */
        unsigned long pan_offset;
};
 
struct ps3fb_res_table {
        u32 xres;
        u32 yres;
        u32 xoff;
        u32 yoff;
        u32 type;
};
#define PS3FB_RES_FULL 1
static const struct ps3fb_res_table ps3fb_res[] = {
        /* res_x,y   margin_x,y  full */
        {  720,  480,  72,  48 , 0},
        {  720,  576,  72,  58 , 0},
        { 1280,  720,  78,  38 , 0},
        { 1920, 1080, 116,  58 , 0},
        /* full mode */
        {  720,  480,   0,   0 , PS3FB_RES_FULL},
        {  720,  576,   0,   0 , PS3FB_RES_FULL},
        { 1280,  720,   0,   0 , PS3FB_RES_FULL},
        { 1920, 1080,   0,   0 , PS3FB_RES_FULL},
        /* vesa: normally full mode */
        { 1280,  768,   0,   0 , 0},
        { 1280, 1024,   0,   0 , 0},
        { 1920, 1200,   0,   0 , 0},
        {    0,    0,   0,   0 , 0} };
 
/* default resolution */
#define GPU_RES_INDEX   0                /* 720 x 480 */
 
static const struct fb_videomode ps3fb_modedb[] = {
    /* 60 Hz broadcast modes (modes "1" to "5") */
    {
        /* 480i */
        "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
        FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
    },    {
        /* 480p */
        "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    },    {
        /* 720p */
        "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    },    {
        /* 1080i */
        "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
        FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
    },    {
        /* 1080p */
        "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    },
 
    /* 50 Hz broadcast modes (modes "6" to "10") */
    {
        /* 576i */
        "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
        FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
    },    {
        /* 576p */
        "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    },    {
        /* 720p */
        "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    },    {
        /* 1080 */
        "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
        FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
    },    {
        /* 1080p */
        "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    },
 
    /* VESA modes (modes "11" to "13") */
    {
        /* WXGA */
        "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
        0, FB_VMODE_NONINTERLACED,
        FB_MODE_IS_VESA
    }, {
        /* SXGA */
        "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
        FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
        FB_MODE_IS_VESA
    }, {
        /* WUXGA */
        "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
        FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
        FB_MODE_IS_VESA
    },
 
    /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
    {
        /* 480if */
        "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
        FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
    }, {
        /* 480pf */
        "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    }, {
        /* 720pf */
        "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    }, {
        /* 1080if */
        "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
        FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
    }, {
        /* 1080pf */
        "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    },
 
    /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
    {
        /* 576if */
        "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
        FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
    }, {
        /* 576pf */
        "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    }, {
        /* 720pf */
        "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    }, {
        /* 1080if */
        "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
        FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
    }, {
        /* 1080pf */
        "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
        FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
    }
};
 
 
#define HEAD_A
#define HEAD_B
 
#define X_OFF(i)        (ps3fb_res[i].xoff)     /* left/right margin (pixel) */
#define Y_OFF(i)        (ps3fb_res[i].yoff)     /* top/bottom margin (pixel) */
#define WIDTH(i)        (ps3fb_res[i].xres)     /* width of FB */
#define HEIGHT(i)       (ps3fb_res[i].yres)     /* height of FB */
#define BPP             4                       /* number of bytes per pixel */
 
/* Start of the virtual frame buffer (relative to fullscreen ) */
#define VP_OFF(i)       ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP)
 
 
static int ps3fb_mode;
module_param(ps3fb_mode, int, 0);
 
static char *mode_option __devinitdata;
 
static int ps3fb_get_res_table(u32 xres, u32 yres, int mode)
{
        int full_mode;
        unsigned int i;
        u32 x, y, f;
 
        full_mode = (mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
        for (i = 0;; i++) {
                x = ps3fb_res[i].xres;
                y = ps3fb_res[i].yres;
                f = ps3fb_res[i].type;
 
                if (!x) {
                        pr_debug("ERROR: ps3fb_get_res_table()\n");
                        return -1;
                }
 
                if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
                        continue;
 
                if (x == xres && (yres == 0 || y == yres))
                        break;
 
                x = x - 2 * ps3fb_res[i].xoff;
                y = y - 2 * ps3fb_res[i].yoff;
                if (x == xres && (yres == 0 || y == yres))
                        break;
        }
        return i;
}
 
static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
                                    u32 *ddr_line_length, u32 *xdr_line_length)
{
        unsigned int i, mode;
 
        for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
                if (var->xres == ps3fb_modedb[i].xres &&
                    var->yres == ps3fb_modedb[i].yres &&
                    var->pixclock == ps3fb_modedb[i].pixclock &&
                    var->hsync_len == ps3fb_modedb[i].hsync_len &&
                    var->vsync_len == ps3fb_modedb[i].vsync_len &&
                    var->left_margin == ps3fb_modedb[i].left_margin &&
                    var->right_margin == ps3fb_modedb[i].right_margin &&
                    var->upper_margin == ps3fb_modedb[i].upper_margin &&
                    var->lower_margin == ps3fb_modedb[i].lower_margin &&
                    var->sync == ps3fb_modedb[i].sync &&
                    (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode)
                        goto found;
 
        pr_debug("ps3fb_find_mode: mode not found\n");
        return 0;
 
found:
        /* Cropped broadcast modes use the full line length */
        *ddr_line_length = ps3fb_modedb[i < 10 ? i + 13 : i].xres * BPP;
 
        if (ps3_compare_firmware_version(1, 9, 0) >= 0) {
                *xdr_line_length = GPU_ALIGN_UP(max(var->xres,
                                                    var->xres_virtual) * BPP);
                if (*xdr_line_length > GPU_MAX_LINE_LENGTH)
                        *xdr_line_length = GPU_MAX_LINE_LENGTH;
        } else
                *xdr_line_length = *ddr_line_length;
 
        /* Full broadcast modes have the full mode bit set */
        mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
 
        pr_debug("ps3fb_find_mode: mode %u\n", mode);
 
        return mode;
}
 
static const struct fb_videomode *ps3fb_default_mode(int id)
{
        u32 mode = id & PS3AV_MODE_MASK;
        u32 flags;
 
        if (mode < 1 || mode > 13)
                return NULL;
 
        flags = id & ~PS3AV_MODE_MASK;
 
        if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
                /* Full broadcast mode */
                return &ps3fb_modedb[mode + 12];
        }
 
        return &ps3fb_modedb[mode - 1];
}
 
static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
                             u64 dst_offset, u64 src_offset, u32 width,
                             u32 height, u32 dst_line_length,
                             u32 src_line_length)
{
        int status;
        u64 line_length;
 
        line_length = dst_line_length;
        if (src_line_length != dst_line_length)
                line_length |= (u64)src_line_length << 32;
 
        src_offset += GPU_FB_START;
        status = lv1_gpu_context_attribute(ps3fb.context_handle,
                                           L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
                                           dst_offset, GPU_IOIF + src_offset,
                                           L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
                                           (width << 16) | height,
                                           line_length);
        if (status)
                dev_err(dev,
                        "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
                        __func__, status);
#ifdef HEAD_A
        status = lv1_gpu_context_attribute(ps3fb.context_handle,
                                           L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
                                           0, frame_offset, 0, 0);
        if (status)
                dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
                        __func__, status);
#endif
#ifdef HEAD_B
        status = lv1_gpu_context_attribute(ps3fb.context_handle,
                                           L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
                                           1, frame_offset, 0, 0);
        if (status)
                dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
                        __func__, status);
#endif
}
 
static int ps3fb_sync(struct fb_info *info, u32 frame)
{
        struct ps3fb_par *par = info->par;
        int i, error = 0;
        u32 ddr_line_length, xdr_line_length;
        u64 ddr_base, xdr_base;
 
        if (frame > par->num_frames - 1) {
                dev_dbg(info->device, "%s: invalid frame number (%u)\n",
                        __func__, frame);
                error = -EINVAL;
                goto out;
        }
 
        i = par->res_index;
        xdr_line_length = info->fix.line_length;
        ddr_line_length = ps3fb_res[i].xres * BPP;
        xdr_base = frame * info->var.yres_virtual * xdr_line_length;
        ddr_base = frame * ps3fb_res[i].yres * ddr_line_length;
 
        ps3fb_sync_image(info->device, ddr_base + par->full_offset,
                         ddr_base + par->fb_offset, xdr_base + par->pan_offset,
                         par->width, par->height, ddr_line_length,
                         xdr_line_length);
 
out:
        return error;
}
 
static int ps3fb_open(struct fb_info *info, int user)
{
        atomic_inc(&ps3fb.f_count);
        return 0;
}
 
static int ps3fb_release(struct fb_info *info, int user)
{
        if (atomic_dec_and_test(&ps3fb.f_count)) {
                if (atomic_read(&ps3fb.ext_flip)) {
                        atomic_set(&ps3fb.ext_flip, 0);
                        if (!try_acquire_console_sem()) {
                                ps3fb_sync(info, 0);     /* single buffer */
                                release_console_sem();
                        }
                }
        }
        return 0;
}
 
    /*
     *  Setting the video mode has been split into two parts.
     *  First part, xxxfb_check_var, must not write anything
     *  to hardware, it should only verify and adjust var.
     *  This means it doesn't alter par but it does use hardware
     *  data from it to check this var.
     */
 
static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
        u32 xdr_line_length, ddr_line_length;
        int mode;
 
        dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres,
                info->var.xres);
        dev_dbg(info->device, "var->yres:%u info->var.yres:%u\n", var->yres,
                info->var.yres);
 
        /* FIXME For now we do exact matches only */
        mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length);
        if (!mode)
                return -EINVAL;
 
        /* Virtual screen */
        if (var->xres_virtual < var->xres)
                var->xres_virtual = var->xres;
        if (var->yres_virtual < var->yres)
                var->yres_virtual = var->yres;
 
        if (var->xres_virtual > xdr_line_length / BPP) {
                dev_dbg(info->device,
                        "Horizontal virtual screen size too large\n");
                return -EINVAL;
        }
 
        if (var->xoffset + var->xres > var->xres_virtual ||
            var->yoffset + var->yres > var->yres_virtual) {
                dev_dbg(info->device, "panning out-of-range\n");
                return -EINVAL;
        }
 
        /* We support ARGB8888 only */
        if (var->bits_per_pixel > 32 || var->grayscale ||
            var->red.offset > 16 || var->green.offset > 8 ||
            var->blue.offset > 0 || var->transp.offset > 24 ||
            var->red.length > 8 || var->green.length > 8 ||
            var->blue.length > 8 || var->transp.length > 8 ||
            var->red.msb_right || var->green.msb_right ||
            var->blue.msb_right || var->transp.msb_right || var->nonstd) {
                dev_dbg(info->device, "We support ARGB8888 only\n");
                return -EINVAL;
        }
 
        var->bits_per_pixel = 32;
        var->red.offset = 16;
        var->green.offset = 8;
        var->blue.offset = 0;
        var->transp.offset = 24;
        var->red.length = 8;
        var->green.length = 8;
        var->blue.length = 8;
        var->transp.length = 8;
        var->red.msb_right = 0;
        var->green.msb_right = 0;
        var->blue.msb_right = 0;
        var->transp.msb_right = 0;
 
        /* Rotation is not supported */
        if (var->rotate) {
                dev_dbg(info->device, "Rotation is not supported\n");
                return -EINVAL;
        }
 
        /* Memory limit */
        if (var->yres_virtual * xdr_line_length > ps3fb.xdr_size) {
                dev_dbg(info->device, "Not enough memory\n");
                return -ENOMEM;
        }
 
        var->height = -1;
        var->width = -1;
 
        return 0;
}
 
    /*
     * This routine actually sets the video mode.
     */
 
static int ps3fb_set_par(struct fb_info *info)
{
        struct ps3fb_par *par = info->par;
        unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines;
        int i;
        unsigned long offset;
        u64 dst;
 
        dev_dbg(info->device, "xres:%d xv:%d yres:%d yv:%d clock:%d\n",
                info->var.xres, info->var.xres_virtual,
                info->var.yres, info->var.yres_virtual, info->var.pixclock);
 
        mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length);
        if (!mode)
                return -EINVAL;
 
        i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode);
        par->res_index = i;
 
        info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
        info->fix.smem_len = ps3fb.xdr_size;
        info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0;
        info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0;
        info->fix.line_length = xdr_line_length;
 
        info->screen_base = (char __iomem *)ps3fb.xdr_ea;
 
        par->num_frames = ps3fb.xdr_size /
                          max(ps3fb_res[i].yres * ddr_line_length,
                              info->var.yres_virtual * xdr_line_length);
 
        /* Keep the special bits we cannot set using fb_var_screeninfo */
        par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode;
 
        par->width = info->var.xres;
        par->height = info->var.yres;
        offset = VP_OFF(i);
        par->fb_offset = GPU_ALIGN_UP(offset);
        par->full_offset = par->fb_offset - offset;
        par->pan_offset = info->var.yoffset * xdr_line_length +
                          info->var.xoffset * BPP;
 
        if (par->new_mode_id != par->mode_id) {
                if (ps3av_set_video_mode(par->new_mode_id)) {
                        par->new_mode_id = par->mode_id;
                        return -EINVAL;
                }
                par->mode_id = par->new_mode_id;
        }
 
        /* Clear XDR frame buffer memory */
        memset(ps3fb.xdr_ea, 0, ps3fb.xdr_size);
 
        /* Clear DDR frame buffer memory */
        lines = ps3fb_res[i].yres * par->num_frames;
        if (par->full_offset)
                lines++;
        maxlines = ps3fb.xdr_size / ddr_line_length;
        for (dst = 0; lines; dst += maxlines * ddr_line_length) {
                unsigned int l = min(lines, maxlines);
                ps3fb_sync_image(info->device, 0, dst, 0, ps3fb_res[i].xres, l,
                                 ddr_line_length, ddr_line_length);
                lines -= l;
        }
 
        return 0;
}
 
    /*
     *  Set a single color register. The values supplied are already
     *  rounded down to the hardware's capabilities (according to the
     *  entries in the var structure). Return != 0 for invalid regno.
     */
 
static int ps3fb_setcolreg(unsigned int regno, unsigned int red,
                           unsigned int green, unsigned int blue,
                           unsigned int transp, struct fb_info *info)
{
        if (regno >= 16)
                return 1;
 
        red >>= 8;
        green >>= 8;
        blue >>= 8;
        transp >>= 8;
 
        ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 |
                                               green << 8 | blue;
        return 0;
}
 
static int ps3fb_pan_display(struct fb_var_screeninfo *var,
                             struct fb_info *info)
{
        struct ps3fb_par *par = info->par;
 
        par->pan_offset = var->yoffset * info->fix.line_length +
                          var->xoffset * BPP;
        return 0;
}
 
    /*
     *  As we have a virtual frame buffer, we need our own mmap function
     */
 
static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
{
        unsigned long size, offset;
 
        size = vma->vm_end - vma->vm_start;
        offset = vma->vm_pgoff << PAGE_SHIFT;
        if (offset + size > info->fix.smem_len)
                return -EINVAL;
 
        offset += info->fix.smem_start;
        if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
                            size, vma->vm_page_prot))
                return -EAGAIN;
 
        dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",
                offset, vma->vm_start);
        return 0;
}
 
    /*
     * Blank the display
     */
 
static int ps3fb_blank(int blank, struct fb_info *info)
{
        int retval;
 
        dev_dbg(info->device, "%s: blank:%d\n", __func__, blank);
        switch (blank) {
        case FB_BLANK_POWERDOWN:
        case FB_BLANK_HSYNC_SUSPEND:
        case FB_BLANK_VSYNC_SUSPEND:
        case FB_BLANK_NORMAL:
                retval = ps3av_video_mute(1);   /* mute on */
                if (!retval)
                        ps3fb.is_blanked = 1;
                break;
 
        default:                /* unblank */
                retval = ps3av_video_mute(0);    /* mute off */
                if (!retval)
                        ps3fb.is_blanked = 0;
                break;
        }
        return retval;
}
 
static int ps3fb_get_vblank(struct fb_vblank *vblank)
{
        memset(vblank, 0, sizeof(*vblank));
        vblank->flags = FB_VBLANK_HAVE_VSYNC;
        return 0;
}
 
static int ps3fb_wait_for_vsync(u32 crtc)
{
        int ret;
        u64 count;
 
        count = ps3fb.vblank_count;
        ret = wait_event_interruptible_timeout(ps3fb.wait_vsync,
                                               count != ps3fb.vblank_count,
                                               HZ / 10);
        if (!ret)
                return -ETIMEDOUT;
 
        return 0;
}
 
static void ps3fb_flip_ctl(int on, void *data)
{
        struct ps3fb_priv *priv = data;
        if (on)
                atomic_dec_if_positive(&priv->ext_flip);
        else
                atomic_inc(&priv->ext_flip);
}
 
 
    /*
     * ioctl
     */
 
static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd,
                       unsigned long arg)
{
        void __user *argp = (void __user *)arg;
        u32 val;
        int retval = -EFAULT;
 
        switch (cmd) {
        case FBIOGET_VBLANK:
                {
                        struct fb_vblank vblank;
                        dev_dbg(info->device, "FBIOGET_VBLANK:\n");
                        retval = ps3fb_get_vblank(&vblank);
                        if (retval)
                                break;
 
                        if (copy_to_user(argp, &vblank, sizeof(vblank)))
                                retval = -EFAULT;
                        break;
                }
 
        case FBIO_WAITFORVSYNC:
                {
                        u32 crt;
                        dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n");
                        if (get_user(crt, (u32 __user *) arg))
                                break;
 
                        retval = ps3fb_wait_for_vsync(crt);
                        break;
                }
 
        case PS3FB_IOCTL_SETMODE:
                {
                        struct ps3fb_par *par = info->par;
                        const struct fb_videomode *mode;
                        struct fb_var_screeninfo var;
 
                        if (copy_from_user(&val, argp, sizeof(val)))
                                break;
 
                        if (!(val & PS3AV_MODE_MASK)) {
                                u32 id = ps3av_get_auto_mode();
                                if (id > 0)
                                        val = (val & ~PS3AV_MODE_MASK) | id;
                        }
                        dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val);
                        retval = -EINVAL;
                        mode = ps3fb_default_mode(val);
                        if (mode) {
                                var = info->var;
                                fb_videomode_to_var(&var, mode);
                                acquire_console_sem();
                                info->flags |= FBINFO_MISC_USEREVENT;
                                /* Force, in case only special bits changed */
                                var.activate |= FB_ACTIVATE_FORCE;
                                par->new_mode_id = val;
                                retval = fb_set_var(info, &var);
                                info->flags &= ~FBINFO_MISC_USEREVENT;
                                release_console_sem();
                        }
                        break;
                }
 
        case PS3FB_IOCTL_GETMODE:
                val = ps3av_get_mode();
                dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val);
                if (!copy_to_user(argp, &val, sizeof(val)))
                        retval = 0;
                break;
 
        case PS3FB_IOCTL_SCREENINFO:
                {
                        struct ps3fb_par *par = info->par;
                        struct ps3fb_ioctl_res res;
                        dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n");
                        res.xres = info->fix.line_length / BPP;
                        res.yres = info->var.yres_virtual;
                        res.xoff = (res.xres - info->var.xres) / 2;
                        res.yoff = (res.yres - info->var.yres) / 2;
                        res.num_frames = par->num_frames;
                        if (!copy_to_user(argp, &res, sizeof(res)))
                                retval = 0;
                        break;
                }
 
        case PS3FB_IOCTL_ON:
                dev_dbg(info->device, "PS3FB_IOCTL_ON:\n");
                atomic_inc(&ps3fb.ext_flip);
                retval = 0;
                break;
 
        case PS3FB_IOCTL_OFF:
                dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n");
                atomic_dec_if_positive(&ps3fb.ext_flip);
                retval = 0;
                break;
 
        case PS3FB_IOCTL_FSEL:
                if (copy_from_user(&val, argp, sizeof(val)))
                        break;
 
                dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val);
                acquire_console_sem();
                retval = ps3fb_sync(info, val);
                release_console_sem();
                break;
 
        default:
                retval = -ENOIOCTLCMD;
                break;
        }
        return retval;
}
 
static int ps3fbd(void *arg)
{
        struct fb_info *info = arg;
 
        set_freezable();
        while (!kthread_should_stop()) {
                try_to_freeze();
                set_current_state(TASK_INTERRUPTIBLE);
                if (ps3fb.is_kicked) {
                        ps3fb.is_kicked = 0;
                        acquire_console_sem();
                        ps3fb_sync(info, 0);     /* single buffer */
                        release_console_sem();
                }
                schedule();
        }
        return 0;
}
 
static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
{
        struct device *dev = ptr;
        u64 v1;
        int status;
        struct display_head *head = &ps3fb.dinfo->display_head[1];
 
        status = lv1_gpu_context_intr(ps3fb.context_handle, &v1);
        if (status) {
                dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__,
                        status);
                return IRQ_NONE;
        }
 
        if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) {
                /* VSYNC */
                ps3fb.vblank_count = head->vblank_count;
                if (ps3fb.task && !ps3fb.is_blanked &&
                    !atomic_read(&ps3fb.ext_flip)) {
                        ps3fb.is_kicked = 1;
                        wake_up_process(ps3fb.task);
                }
                wake_up_interruptible(&ps3fb.wait_vsync);
        }
 
        return IRQ_HANDLED;
}
 
 
static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
                                struct device *dev)
{
        int error;
 
        dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
        dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
        dev_dbg(dev,
                "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
                "mem_freq:%d\n",
                dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
                dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
 
        if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
                dev_err(dev, "%s: version_driver err:%x\n", __func__,
                        dinfo->version_driver);
                return -EINVAL;
        }
 
        error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
                                   &ps3fb.irq_no);
        if (error) {
                dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
                return error;
        }
 
        error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
                            DEVICE_NAME, dev);
        if (error) {
                dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
                ps3_irq_plug_destroy(ps3fb.irq_no);
                return error;
        }
 
        dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
                          (1 << GPU_INTR_STATUS_FLIP_1);
        return 0;
}
 
static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
{
        int status;
 
        status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
                                       xdr_lpar, ps3fb_videomemory.size, 0);
        if (status) {
                dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
                        __func__, status);
                return -ENXIO;
        }
        dev_dbg(dev,
                "video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n",
                ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar,
                virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size);
 
        status = lv1_gpu_context_attribute(ps3fb.context_handle,
                                           L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
                                           xdr_lpar, GPU_CMD_BUF_SIZE,
                                           GPU_IOIF, 0);
        if (status) {
                dev_err(dev,
                        "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
                        __func__, status);
                return -ENXIO;
        }
        return 0;
}
 
static struct fb_ops ps3fb_ops = {
        .fb_open        = ps3fb_open,
        .fb_release     = ps3fb_release,
        .fb_read        = fb_sys_read,
        .fb_write       = fb_sys_write,
        .fb_check_var   = ps3fb_check_var,
        .fb_set_par     = ps3fb_set_par,
        .fb_setcolreg   = ps3fb_setcolreg,
        .fb_pan_display = ps3fb_pan_display,
        .fb_fillrect    = sys_fillrect,
        .fb_copyarea    = sys_copyarea,
        .fb_imageblit   = sys_imageblit,
        .fb_mmap        = ps3fb_mmap,
        .fb_blank       = ps3fb_blank,
        .fb_ioctl       = ps3fb_ioctl,
        .fb_compat_ioctl = ps3fb_ioctl
};
 
static struct fb_fix_screeninfo ps3fb_fix __initdata = {
        .id =           DEVICE_NAME,
        .type =         FB_TYPE_PACKED_PIXELS,
        .visual =       FB_VISUAL_TRUECOLOR,
        .accel =        FB_ACCEL_NONE,
};
 
static int ps3fb_set_sync(struct device *dev)
{
        int status;
 
#ifdef HEAD_A
        status = lv1_gpu_context_attribute(0x0,
                                           L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
                                           0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
        if (status) {
                dev_err(dev,
                        "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
                        "%d\n",
                        __func__, status);
                return -1;
        }
#endif
#ifdef HEAD_B
        status = lv1_gpu_context_attribute(0x0,
                                           L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
                                           1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
 
        if (status) {
                dev_err(dev,
                        "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
                        "%d\n",
                        __func__, status);
                return -1;
        }
#endif
        return 0;
}
 
static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
{
        struct fb_info *info;
        struct ps3fb_par *par;
        int retval = -ENOMEM;
        u32 xres, yres;
        u64 ddr_lpar = 0;
        u64 lpar_dma_control = 0;
        u64 lpar_driver_info = 0;
        u64 lpar_reports = 0;
        u64 lpar_reports_size = 0;
        u64 xdr_lpar;
        int status, res_index;
        struct task_struct *task;
        unsigned long max_ps3fb_size;
 
        if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) {
                dev_err(&dev->core, "%s: Not enough video memory\n", __func__);
                return -ENOMEM;
        }
 
        status = ps3_open_hv_device(dev);
        if (status) {
                dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
                        __func__);
                goto err;
        }
 
        if (!ps3fb_mode)
                ps3fb_mode = ps3av_get_mode();
        dev_dbg(&dev->core, "ps3av_mode:%d\n", ps3fb_mode);
 
        if (ps3fb_mode > 0 &&
            !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) {
                res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode);
                dev_dbg(&dev->core, "res_index:%d\n", res_index);
        } else
                res_index = GPU_RES_INDEX;
 
        atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */
        atomic_set(&ps3fb.ext_flip, 0);  /* for flip with vsync */
        init_waitqueue_head(&ps3fb.wait_vsync);
 
        ps3fb_set_sync(&dev->core);
 
        max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
        if (ps3fb_videomemory.size > max_ps3fb_size) {
                dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n",
                         max_ps3fb_size);
                ps3fb_videomemory.size = max_ps3fb_size;
        }
 
        /* get gpu context handle */
        status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0,
                                         &ps3fb.memory_handle, &ddr_lpar);
        if (status) {
                dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
                        __func__, status);
                goto err;
        }
        dev_dbg(&dev->core, "ddr:lpar:0x%lx\n", ddr_lpar);
 
        status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0,
                                          &ps3fb.context_handle,
                                          &lpar_dma_control, &lpar_driver_info,
                                          &lpar_reports, &lpar_reports_size);
        if (status) {
                dev_err(&dev->core,
                        "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
                        status);
                goto err_gpu_memory_free;
        }
 
        /* vsync interrupt */
        ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024);
        if (!ps3fb.dinfo) {
                dev_err(&dev->core, "%s: ioremap failed\n", __func__);
                goto err_gpu_context_free;
        }
 
        retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
        if (retval)
                goto err_iounmap_dinfo;
 
        /* XDR frame buffer */
        ps3fb.xdr_ea = ps3fb_videomemory.address;
        xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea));
 
        /* Clear memory to prevent kernel info leakage into userspace */
        memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size);
 
        /*
         * The GPU command buffer is at the start of video memory
         * As we don't use the full command buffer, we can put the actual
         * frame buffer at offset GPU_FB_START and save some precious XDR
         * memory
         */
        ps3fb.xdr_ea += GPU_FB_START;
        ps3fb.xdr_size = ps3fb_videomemory.size - GPU_FB_START;
 
        retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
        if (retval)
                goto err_free_irq;
 
        info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
        if (!info)
                goto err_free_irq;
 
        par = info->par;
        par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
        par->new_mode_id = ps3fb_mode;
        par->res_index = res_index;
        par->num_frames = 1;
 
        info->screen_base = (char __iomem *)ps3fb.xdr_ea;
        info->fbops = &ps3fb_ops;
 
        info->fix = ps3fb_fix;
        info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea);
        info->fix.smem_len = ps3fb.xdr_size;
        info->pseudo_palette = par->pseudo_palette;
        info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
                      FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
 
        retval = fb_alloc_cmap(&info->cmap, 256, 0);
        if (retval < 0)
                goto err_framebuffer_release;
 
        if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb,
                          ARRAY_SIZE(ps3fb_modedb),
                          ps3fb_default_mode(par->new_mode_id), 32)) {
                retval = -EINVAL;
                goto err_fb_dealloc;
        }
 
        fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb),
                                 &info->modelist);
 
        retval = register_framebuffer(info);
        if (retval < 0)
                goto err_fb_dealloc;
 
        dev->core.driver_data = info;
 
        dev_info(info->device, "%s %s, using %lu KiB of video memory\n",
                 dev_driver_string(info->dev), info->dev->bus_id,
                 ps3fb.xdr_size >> 10);
 
        task = kthread_run(ps3fbd, info, DEVICE_NAME);
        if (IS_ERR(task)) {
                retval = PTR_ERR(task);
                goto err_unregister_framebuffer;
        }
 
        ps3fb.task = task;
        ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb);
 
        return 0;
 
err_unregister_framebuffer:
        unregister_framebuffer(info);
err_fb_dealloc:
        fb_dealloc_cmap(&info->cmap);
err_framebuffer_release:
        framebuffer_release(info);
err_free_irq:
        free_irq(ps3fb.irq_no, &dev->core);
        ps3_irq_plug_destroy(ps3fb.irq_no);
err_iounmap_dinfo:
        iounmap((u8 __iomem *)ps3fb.dinfo);
err_gpu_context_free:
        lv1_gpu_context_free(ps3fb.context_handle);
err_gpu_memory_free:
        lv1_gpu_memory_free(ps3fb.memory_handle);
err:
        return retval;
}
 
static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
{
        int status;
        struct fb_info *info = dev->core.driver_data;
 
        dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
 
        ps3fb_flip_ctl(0, &ps3fb);       /* flip off */
        ps3fb.dinfo->irq.mask = 0;
 
        ps3av_register_flip_ctl(NULL, NULL);
        if (ps3fb.task) {
                struct task_struct *task = ps3fb.task;
                ps3fb.task = NULL;
                kthread_stop(task);
        }
        if (ps3fb.irq_no) {
                free_irq(ps3fb.irq_no, &dev->core);
                ps3_irq_plug_destroy(ps3fb.irq_no);
        }
        if (info) {
                unregister_framebuffer(info);
                fb_dealloc_cmap(&info->cmap);
                framebuffer_release(info);
                info = dev->core.driver_data = NULL;
        }
        iounmap((u8 __iomem *)ps3fb.dinfo);
 
        status = lv1_gpu_context_free(ps3fb.context_handle);
        if (status)
                dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
                        status);
 
        status = lv1_gpu_memory_free(ps3fb.memory_handle);
        if (status)
                dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
                        status);
 
        ps3_close_hv_device(dev);
        dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
 
        return 0;
}
 
static struct ps3_system_bus_driver ps3fb_driver = {
        .match_id       = PS3_MATCH_ID_GRAPHICS,
        .core.name      = DEVICE_NAME,
        .core.owner     = THIS_MODULE,
        .probe          = ps3fb_probe,
        .remove         = ps3fb_shutdown,
        .shutdown       = ps3fb_shutdown,
};
 
static int __init ps3fb_setup(void)
{
        char *options;
 
#ifdef MODULE
        return 0;
#endif
 
        if (fb_get_options(DEVICE_NAME, &options))
                return -ENXIO;
 
        if (!options || !*options)
                return 0;
 
        while (1) {
                char *this_opt = strsep(&options, ",");
 
                if (!this_opt)
                        break;
                if (!*this_opt)
                        continue;
                if (!strncmp(this_opt, "mode:", 5))
                        ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0);
                else
                        mode_option = this_opt;
        }
        return 0;
}
 
static int __init ps3fb_init(void)
{
        if (!ps3fb_videomemory.address ||  ps3fb_setup())
                return -ENXIO;
 
        return ps3_system_bus_driver_register(&ps3fb_driver);
}
 
static void __exit ps3fb_exit(void)
{
        pr_debug(" -> %s:%d\n", __func__, __LINE__);
        ps3_system_bus_driver_unregister(&ps3fb_driver);
        pr_debug(" <- %s:%d\n", __func__, __LINE__);
}
 
module_init(ps3fb_init);
module_exit(ps3fb_exit);
 
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver");
MODULE_AUTHOR("Sony Computer Entertainment Inc.");
MODULE_ALIAS(PS3_MODULE_ALIAS_GRAPHICS);
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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [video/] [ps3fb.c] - Blame information for rev 62

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
2			`* linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device`
3			`*`
4			`* Copyright (C) 2006 Sony Computer Entertainment Inc.`
5			`* Copyright 2006, 2007 Sony Corporation`
6			`*`
7			`* This file is based on :`
8			`*`
9			`* linux/drivers/video/vfb.c -- Virtual frame buffer device`
10			`*`
11			`* Copyright (C) 2002 James Simmons`
12			`*`
13			`* Copyright (C) 1997 Geert Uytterhoeven`
14			`*`
15			`* This file is subject to the terms and conditions of the GNU General Public`
16			`* License. See the file COPYING in the main directory of this archive for`
17			`* more details.`
18			`*/`
19
20			`#include <linux/module.h>`
21			`#include <linux/kernel.h>`
22			`#include <linux/errno.h>`
23			`#include <linux/string.h>`
24			`#include <linux/mm.h>`
25			`#include <linux/interrupt.h>`
26			`#include <linux/console.h>`
27			`#include <linux/ioctl.h>`
28			`#include <linux/kthread.h>`
29			`#include <linux/freezer.h>`
30			`#include <linux/uaccess.h>`
31			`#include <linux/fb.h>`
32			`#include <linux/init.h>`
33
34			`#include <asm/abs_addr.h>`
35			`#include <asm/lv1call.h>`
36			`#include <asm/ps3av.h>`
37			`#include <asm/ps3fb.h>`
38			`#include <asm/ps3.h>`
39
40