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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#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/cell-regs.h>#include <asm/lv1call.h>#include <asm/ps3av.h>#include <asm/ps3fb.h>#include <asm/ps3.h>#include <asm/ps3gpu.h>
#define DEVICE_NAME "ps3fb"
#define GPU_CMD_BUF_SIZE (2 * 1024 * 1024)#define GPU_FB_START (64 * 1024)#define GPU_IOIF (0x0d000000UL)#define GPU_ALIGN_UP(x) ALIGN((x), 64)#define GPU_MAX_LINE_LENGTH (65536 - 64)
#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; 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; unsigned int num_frames; /* num of frame buffers */ unsigned int width; unsigned int height; unsigned int ddr_line_length; unsigned int ddr_frame_size; unsigned int xdr_frame_size; unsigned int full_offset; /* start of fullscreen DDR fb */ unsigned int fb_offset; /* start of actual DDR fb */ unsigned int pan_offset;};
#define FIRST_NATIVE_MODE_INDEX 10
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 }, { /* 1080i */ "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 },
[FIRST_NATIVE_MODE_INDEX] = /* 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 */ "1080if", 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 },
/* 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 }};
#define HEAD_A#define HEAD_B
#define BPP 4 /* number of bytes per pixel */
static int ps3fb_mode;module_param(ps3fb_mode, int, 0);
static char *mode_option;
static int ps3fb_cmp_mode(const struct fb_videomode *vmode, const struct fb_var_screeninfo *var){ long xres, yres, left_margin, right_margin, upper_margin, lower_margin; long dx, dy;
/* maximum values */ if (var->xres > vmode->xres || var->yres > vmode->yres || var->pixclock > vmode->pixclock || var->hsync_len > vmode->hsync_len || var->vsync_len > vmode->vsync_len) return -1;
/* progressive/interlaced must match */ if ((var->vmode & FB_VMODE_MASK) != vmode->vmode) return -1;
/* minimum resolution */ xres = max(var->xres, 1U); yres = max(var->yres, 1U);
/* minimum margins */ left_margin = max(var->left_margin, vmode->left_margin); right_margin = max(var->right_margin, vmode->right_margin); upper_margin = max(var->upper_margin, vmode->upper_margin); lower_margin = max(var->lower_margin, vmode->lower_margin);
/* resolution + margins may not exceed native parameters */ dx = ((long)vmode->left_margin + (long)vmode->xres + (long)vmode->right_margin) - (left_margin + xres + right_margin); if (dx < 0) return -1;
dy = ((long)vmode->upper_margin + (long)vmode->yres + (long)vmode->lower_margin) - (upper_margin + yres + lower_margin); if (dy < 0) return -1;
/* exact match */ if (!dx && !dy) return 0;
/* resolution difference */ return (vmode->xres - xres) * (vmode->yres - yres);}
static const struct fb_videomode *ps3fb_native_vmode(enum ps3av_mode_num id){ return &ps3fb_modedb[FIRST_NATIVE_MODE_INDEX + id - 1];}
static const struct fb_videomode *ps3fb_vmode(int id){ u32 mode = id & PS3AV_MODE_MASK;
if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA) return NULL;
if (mode <= PS3AV_MODE_1080P50 && !(id & PS3AV_MODE_FULL)) { /* Non-fullscreen broadcast mode */ return &ps3fb_modedb[mode - 1]; }
return ps3fb_native_vmode(mode);}
static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var, u32 *ddr_line_length, u32 *xdr_line_length){ unsigned int id, best_id; int diff, best_diff; const struct fb_videomode *vmode; long gap;
best_id = 0; best_diff = INT_MAX; pr_debug("%s: wanted %u [%u] %u x %u [%u] %u\n", __func__, var->left_margin, var->xres, var->right_margin, var->upper_margin, var->yres, var->lower_margin); for (id = PS3AV_MODE_480I; id <= PS3AV_MODE_WUXGA; id++) { vmode = ps3fb_native_vmode(id); diff = ps3fb_cmp_mode(vmode, var); pr_debug("%s: mode %u: %u [%u] %u x %u [%u] %u: diff = %d\n", __func__, id, vmode->left_margin, vmode->xres, vmode->right_margin, vmode->upper_margin, vmode->yres, vmode->lower_margin, diff); if (diff < 0) continue; if (diff < best_diff) { best_id = id; if (!diff) break; best_diff = diff; } }
if (!best_id) { pr_debug("%s: no suitable mode found\n", __func__); return 0; }
id = best_id; vmode = ps3fb_native_vmode(id);
*ddr_line_length = vmode->xres * BPP;
/* minimum resolution */ if (!var->xres) var->xres = 1; if (!var->yres) var->yres = 1;
/* minimum virtual resolution */ if (var->xres_virtual < var->xres) var->xres_virtual = var->xres; if (var->yres_virtual < var->yres) var->yres_virtual = var->yres;
/* minimum margins */ if (var->left_margin < vmode->left_margin) var->left_margin = vmode->left_margin; if (var->right_margin < vmode->right_margin) var->right_margin = vmode->right_margin; if (var->upper_margin < vmode->upper_margin) var->upper_margin = vmode->upper_margin; if (var->lower_margin < vmode->lower_margin) var->lower_margin = vmode->lower_margin;
/* extra margins */ gap = ((long)vmode->left_margin + (long)vmode->xres + (long)vmode->right_margin) - ((long)var->left_margin + (long)var->xres + (long)var->right_margin); if (gap > 0) { var->left_margin += gap/2; var->right_margin += (gap+1)/2; pr_debug("%s: rounded up H to %u [%u] %u\n", __func__, var->left_margin, var->xres, var->right_margin); }
gap = ((long)vmode->upper_margin + (long)vmode->yres + (long)vmode->lower_margin) - ((long)var->upper_margin + (long)var->yres + (long)var->lower_margin); if (gap > 0) { var->upper_margin += gap/2; var->lower_margin += (gap+1)/2; pr_debug("%s: rounded up V to %u [%u] %u\n", __func__, var->upper_margin, var->yres, var->lower_margin); }
/* fixed fields */ var->pixclock = vmode->pixclock; var->hsync_len = vmode->hsync_len; var->vsync_len = vmode->vsync_len; var->sync = vmode->sync;
if (ps3_compare_firmware_version(1, 9, 0) >= 0) { *xdr_line_length = GPU_ALIGN_UP(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;
if (vmode->sync & FB_SYNC_BROADCAST) { /* Full broadcast modes have the full mode bit set */ if (vmode->xres == var->xres && vmode->yres == var->yres) id |= PS3AV_MODE_FULL; }
pr_debug("%s: mode %u\n", __func__, id); return id;}
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;
mutex_lock(&ps3_gpu_mutex); status = lv1_gpu_fb_blit(ps3fb.context_handle, dst_offset, GPU_IOIF + src_offset, L1GPU_FB_BLIT_WAIT_FOR_COMPLETION | (width << 16) | height, line_length); mutex_unlock(&ps3_gpu_mutex);
if (status) dev_err(dev, "%s: lv1_gpu_fb_blit failed: %d\n", __func__, status);#ifdef HEAD_A status = lv1_gpu_display_flip(ps3fb.context_handle, 0, frame_offset); if (status) dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__, status);#endif#ifdef HEAD_B status = lv1_gpu_display_flip(ps3fb.context_handle, 1, frame_offset); if (status) dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__, status);#endif}
static int ps3fb_sync(struct fb_info *info, u32 frame){ struct ps3fb_par *par = info->par; int error = 0; 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; }
xdr_base = frame * par->xdr_frame_size; ddr_base = frame * par->ddr_frame_size;
ps3fb_sync_image(info->device, ddr_base + par->full_offset, ddr_base + par->fb_offset, xdr_base + par->pan_offset, par->width, par->height, par->ddr_line_length, info->fix.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 (console_trylock()) { ps3fb_sync(info, 0); /* single buffer */ console_unlock(); } } } 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;
mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length); if (!mode) return -EINVAL;
/* Virtual screen */ 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 > info->fix.smem_len) { 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; unsigned int ddr_xoff, ddr_yoff, offset; const struct fb_videomode *vmode; u64 dst;
mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length); if (!mode) return -EINVAL;
vmode = ps3fb_native_vmode(mode & PS3AV_MODE_MASK);
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;
par->ddr_line_length = ddr_line_length; par->ddr_frame_size = vmode->yres * ddr_line_length; par->xdr_frame_size = info->var.yres_virtual * xdr_line_length;
par->num_frames = info->fix.smem_len / max(par->ddr_frame_size, par->xdr_frame_size);
/* 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;
/* Start of the virtual frame buffer (relative to fullscreen) */ ddr_xoff = info->var.left_margin - vmode->left_margin; ddr_yoff = info->var.upper_margin - vmode->upper_margin; offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP;
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(info->screen_buffer, 0, info->fix.smem_len);
/* Clear DDR frame buffer memory */ lines = vmode->yres * par->num_frames; if (par->full_offset) lines++; maxlines = info->fix.smem_len / 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, vmode->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){ int r;
vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
r = vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len);
dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", info->fix.smem_start + (vma->vm_pgoff << PAGE_SHIFT), vma->vm_start);
return r;}
/* * 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;}
/* * 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 *vmode; 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; vmode = ps3fb_vmode(val); if (vmode) { var = info->var; fb_videomode_to_var(&var, vmode); console_lock(); /* Force, in case only special bits changed */ var.activate |= FB_ACTIVATE_FORCE; par->new_mode_id = val; retval = fb_set_var_from_user(info, &var); console_unlock(); } 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); console_lock(); retval = ps3fb_sync(info, val); console_unlock(); 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; console_lock(); ps3fb_sync(info, 0); /* single buffer */ console_unlock(); } 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 const struct fb_ops ps3fb_ops = { .owner = THIS_MODULE, .fb_open = ps3fb_open, .fb_release = ps3fb_release, __FB_DEFAULT_SYSMEM_OPS_RDWR, .fb_check_var = ps3fb_check_var, .fb_set_par = ps3fb_set_par, .fb_setcolreg = ps3fb_setcolreg, .fb_pan_display = ps3fb_pan_display, __FB_DEFAULT_SYSMEM_OPS_DRAW, .fb_mmap = ps3fb_mmap, .fb_blank = ps3fb_blank, .fb_ioctl = ps3fb_ioctl, .fb_compat_ioctl = ps3fb_ioctl};
static const struct fb_fix_screeninfo ps3fb_fix = { .id = DEVICE_NAME, .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_TRUECOLOR, .accel = FB_ACCEL_NONE,};
static int ps3fb_probe(struct ps3_system_bus_device *dev){ struct fb_info *info; struct ps3fb_par *par; int retval; 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; struct gpu_driver_info *dinfo; void *fb_start; int status; 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; }
retval = ps3_open_hv_device(dev); if (retval) { 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, "ps3fb_mode: %d\n", ps3fb_mode);
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);
#ifdef HEAD_A status = lv1_gpu_display_sync(0x0, 0, L1GPU_DISPLAY_SYNC_VSYNC); if (status) { dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", __func__, status); retval = -ENODEV; goto err_close_device; }#endif#ifdef HEAD_B status = lv1_gpu_display_sync(0x0, 1, L1GPU_DISPLAY_SYNC_VSYNC); if (status) { dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", __func__, status); retval = -ENODEV; goto err_close_device; }#endif
max_ps3fb_size = ALIGN(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); retval = -ENOMEM; goto err_close_device; } dev_dbg(&dev->core, "ddr:lpar:0x%llx\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_allocate failed: %d\n", __func__, status); retval = -ENOMEM; goto err_gpu_memory_free; }
/* vsync interrupt */ dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024); if (!dinfo) { dev_err(&dev->core, "%s: ioremap failed\n", __func__); retval = -ENOMEM; goto err_gpu_context_free; }
ps3fb.dinfo = dinfo; dev_dbg(&dev->core, "version_driver:%x\n", dinfo->version_driver); dev_dbg(&dev->core, "irq outlet:%x\n", dinfo->irq.irq_outlet); dev_dbg(&dev->core, "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->core, "%s: version_driver err:%x\n", __func__, dinfo->version_driver); retval = -EINVAL; goto err_iounmap_dinfo; }
retval = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, &ps3fb.irq_no); if (retval) { dev_err(&dev->core, "%s: ps3_alloc_irq failed %d\n", __func__, retval); goto err_iounmap_dinfo; }
retval = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, 0, DEVICE_NAME, &dev->core); if (retval) { dev_err(&dev->core, "%s: request_irq failed %d\n", __func__, retval); goto err_destroy_plug; }
dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) | (1 << GPU_INTR_STATUS_FLIP_1);
/* Clear memory to prevent kernel info leakage into userspace */ memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size);
xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address));
status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, ps3fb_videomemory.size, CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | CBE_IOPTE_M); if (status) { dev_err(&dev->core, "%s: lv1_gpu_context_iomap failed: %d\n", __func__, status); retval = -ENXIO; goto err_free_irq; }
dev_dbg(&dev->core, "video:%p ioif:%lx lpar:%llx size:%lx\n", ps3fb_videomemory.address, GPU_IOIF, xdr_lpar, ps3fb_videomemory.size);
status = lv1_gpu_fb_setup(ps3fb.context_handle, xdr_lpar, GPU_CMD_BUF_SIZE, GPU_IOIF); if (status) { dev_err(&dev->core, "%s: lv1_gpu_fb_setup failed: %d\n", __func__, status); retval = -ENXIO; goto err_context_unmap; }
info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core); if (!info) { retval = -ENOMEM; goto err_context_fb_close; }
par = info->par; par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */ par->new_mode_id = ps3fb_mode; par->num_frames = 1;
info->fbops = &ps3fb_ops; info->fix = ps3fb_fix;
/* * 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 */ fb_start = ps3fb_videomemory.address + GPU_FB_START; info->screen_buffer = fb_start; info->fix.smem_start = __pa(fb_start); info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START;
info->pseudo_palette = par->pseudo_palette; info->flags = FBINFO_VIRTFB | 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_vmode(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;
ps3_system_bus_set_drvdata(dev, info);
fb_info(info, "using %u KiB of video memory\n", info->fix.smem_len >> 10);
task = kthread_run(ps3fbd, info, DEVICE_NAME); if (IS_ERR(task)) { retval = PTR_ERR(task); goto err_unregister_framebuffer; }
ps3fb.task = task;
return 0;
err_unregister_framebuffer: unregister_framebuffer(info);err_fb_dealloc: fb_dealloc_cmap(&info->cmap);err_framebuffer_release: framebuffer_release(info);err_context_fb_close: lv1_gpu_fb_close(ps3fb.context_handle);err_context_unmap: lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, ps3fb_videomemory.size, CBE_IOPTE_M);err_free_irq: free_irq(ps3fb.irq_no, &dev->core);err_destroy_plug: ps3_irq_plug_destroy(ps3fb.irq_no);err_iounmap_dinfo: iounmap((u8 __force __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_close_device: ps3_close_hv_device(dev);err: return retval;}
static void ps3fb_shutdown(struct ps3_system_bus_device *dev){ struct fb_info *info = ps3_system_bus_get_drvdata(dev); u64 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address));
dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
atomic_inc(&ps3fb.ext_flip); /* flip off */ ps3fb.dinfo->irq.mask = 0;
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); ps3_system_bus_set_drvdata(dev, NULL); } iounmap((u8 __force __iomem *)ps3fb.dinfo); lv1_gpu_fb_close(ps3fb.context_handle); lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, ps3fb_videomemory.size, CBE_IOPTE_M); lv1_gpu_context_free(ps3fb.context_handle); lv1_gpu_memory_free(ps3fb.memory_handle); ps3_close_hv_device(dev); dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);}
static struct ps3_system_bus_driver ps3fb_driver = { .match_id = PS3_MATCH_ID_GPU, .match_sub_id = PS3_MATCH_SUB_ID_GPU_FB, .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_GPU_FB);