/* * 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/tty.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/console.h> #include <linux/ioctl.h> #include <linux/notifier.h> #include <linux/reboot.h> #include <asm/uaccess.h> #include <linux/fb.h> #include <linux/init.h> #include <asm/time.h> #include <asm/abs_addr.h> #include <asm/lv1call.h> #include <asm/ps3av.h> #include <asm/ps3fb.h> #include <asm/ps3.h> #ifdef PS3FB_DEBUG #define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args) #else #define DPRINTK(fmt, args...) #endif #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 DDR_SIZE (0) /* used no ddr */ #define GPU_OFFSET (64 * 1024) #define GPU_IOIF (0x0d000000UL) #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; void *dev; u64 context_handle, memory_handle; void *xdr_ea; struct gpu_driver_info *dinfo; struct semaphore sem; u32 res_index; u64 vblank_count; /* frame count */ wait_queue_head_t wait_vsync; u32 num_frames; /* num of frame buffers */ atomic_t ext_flip; /* on/off flip with vsync */ atomic_t f_count; /* fb_open count */ int is_blanked; }; static struct ps3fb_priv ps3fb; 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 */ #define VP_OFF(i) (WIDTH(i) * Y_OFF(i) * BPP + X_OFF(i) * BPP) #define FB_OFF(i) (GPU_OFFSET - VP_OFF(i) % GPU_OFFSET) static int ps3fb_mode = 0; module_param(ps3fb_mode, bool, 0); static char *mode_option __initdata = NULL; static int ps3fb_get_res_table(u32 xres, u32 yres) { int full_mode; unsigned int i; u32 x, y, f; full_mode = (ps3fb_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) { DPRINTK("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 *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) { /* Cropped broadcast modes use the full line_length */ *line_length = ps3fb_modedb[i < 10 ? i + 13 : i].xres * 4; /* Full broadcast modes have the full mode bit set */ mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1; DPRINTK("ps3fb_find_mode: mode %u\n", mode); return mode; } DPRINTK("ps3fb_find_mode: mode not found\n"); return 0; } static const struct fb_videomode *ps3fb_default_mode(void) { u32 mode = ps3fb_mode & PS3AV_MODE_MASK; u32 flags; if (mode < 1 || mode > 13) return NULL; flags = ps3fb_mode & ~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 int ps3fb_sync(u32 frame) { int i, status; u32 xres, yres; u64 fb_ioif, offset; i = ps3fb.res_index; xres = ps3fb_res[i].xres; yres = ps3fb_res[i].yres; if (frame > ps3fb.num_frames - 1) { printk(KERN_WARNING "%s: invalid frame number (%u)\n", __FUNCTION__, frame); return -EINVAL; } offset = xres * yres * BPP * frame; fb_ioif = GPU_IOIF + FB_OFF(i) + offset; status = lv1_gpu_context_attribute(ps3fb.context_handle, L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, offset, fb_ioif, L1GPU_FB_BLIT_WAIT_FOR_COMPLETION | (xres << 16) | yres, xres * BPP); /* line_length */ if (status) printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n", __FUNCTION__, status); #ifdef HEAD_A status = lv1_gpu_context_attribute(ps3fb.context_handle, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, offset, 0, 0); if (status) printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n", __FUNCTION__, status); #endif #ifdef HEAD_B status = lv1_gpu_context_attribute(ps3fb.context_handle, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, offset, 0, 0); if (status) printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n", __FUNCTION__, status); #endif return 0; } 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); ps3fb_sync(0); /* single buffer */ } } 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 line_length; int mode; int i; DPRINTK("var->xres:%u info->var.xres:%u\n", var->xres, info->var.xres); DPRINTK("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, &line_length); if (!mode) return -EINVAL; /* * FB_VMODE_CONUPDATE and FB_VMODE_SMOOTH_XPAN are equal! * as FB_VMODE_SMOOTH_XPAN is only used internally */ if (var->vmode & FB_VMODE_CONUPDATE) { var->vmode |= FB_VMODE_YWRAP; var->xoffset = info->var.xoffset; var->yoffset = info->var.yoffset; } /* Virtual screen and panning are not supported */ if (var->xres_virtual > var->xres || var->yres_virtual > var->yres || var->xoffset || var->yoffset) { DPRINTK("Virtual screen and panning are not supported\n"); return -EINVAL; } var->xres_virtual = var->xres; var->yres_virtual = var->yres; /* 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) { DPRINTK("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) { DPRINTK("Rotation is not supported\n"); return -EINVAL; } /* Memory limit */ i = ps3fb_get_res_table(var->xres, var->yres); if (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP > ps3fb_videomemory.size) { DPRINTK("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) { unsigned int mode; int i; unsigned long offset; static int first = 1; DPRINTK("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); i = ps3fb_get_res_table(info->var.xres, info->var.yres); ps3fb.res_index = i; mode = ps3fb_find_mode(&info->var, &info->fix.line_length); if (!mode) return -EINVAL; offset = FB_OFF(i) + VP_OFF(i); info->fix.smem_len = ps3fb_videomemory.size - offset; info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset; memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size); ps3fb.num_frames = ps3fb_videomemory.size/ (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP); /* Keep the special bits we cannot set using fb_var_screeninfo */ ps3fb_mode = (ps3fb_mode & ~PS3AV_MODE_MASK) | mode; if (ps3av_set_video_mode(ps3fb_mode, first)) return -EINVAL; first = 0; 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; } /* * 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; int i; i = ps3fb_get_res_table(info->var.xres, info->var.yres); if (i == -1) return -EINVAL; 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 + FB_OFF(i) + VP_OFF(i); if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, size, vma->vm_page_prot)) return -EAGAIN; printk(KERN_DEBUG "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; DPRINTK("%s: blank:%d\n", __FUNCTION__, 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; } 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; } EXPORT_SYMBOL_GPL(ps3fb_wait_for_vsync); void ps3fb_flip_ctl(int on) { if (on) { if (atomic_read(&ps3fb.ext_flip) > 0) { atomic_dec(&ps3fb.ext_flip); } } else { atomic_inc(&ps3fb.ext_flip); } } EXPORT_SYMBOL_GPL(ps3fb_flip_ctl); /* * ioctl */ static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) { void __user *argp = (void __user *)arg; u32 val, old_mode; int retval = -EFAULT; switch (cmd) { case FBIOGET_VBLANK: { struct fb_vblank vblank; DPRINTK("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; DPRINTK("FBIO_WAITFORVSYNC:\n"); if (get_user(crt, (u32 __user *) arg)) break; retval = ps3fb_wait_for_vsync(crt); break; } case PS3FB_IOCTL_SETMODE: { const struct fb_videomode *mode; struct fb_var_screeninfo var; if (copy_from_user(&val, argp, sizeof(val))) break; DPRINTK("PS3FB_IOCTL_SETMODE:%x\n", val); retval = -EINVAL; old_mode = ps3fb_mode; ps3fb_mode = val; mode = ps3fb_default_mode(); 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; retval = fb_set_var(info, &var); info->flags &= ~FBINFO_MISC_USEREVENT; release_console_sem(); } if (retval) ps3fb_mode = old_mode; break; } case PS3FB_IOCTL_GETMODE: val = ps3av_get_mode(); DPRINTK("PS3FB_IOCTL_GETMODE:%x\n", val); if (!copy_to_user(argp, &val, sizeof(val))) retval = 0; break; case PS3FB_IOCTL_SCREENINFO: { struct ps3fb_ioctl_res res; int i = ps3fb.res_index; DPRINTK("PS3FB_IOCTL_SCREENINFO:\n"); res.xres = ps3fb_res[i].xres; res.yres = ps3fb_res[i].yres; res.xoff = ps3fb_res[i].xoff; res.yoff = ps3fb_res[i].yoff; res.num_frames = ps3fb.num_frames; if (!copy_to_user(argp, &res, sizeof(res))) retval = 0; break; } case PS3FB_IOCTL_ON: DPRINTK("PS3FB_IOCTL_ON:\n"); atomic_inc(&ps3fb.ext_flip); retval = 0; break; case PS3FB_IOCTL_OFF: DPRINTK("PS3FB_IOCTL_OFF:\n"); if (atomic_read(&ps3fb.ext_flip) > 0) atomic_dec(&ps3fb.ext_flip); retval = 0; break; case PS3FB_IOCTL_FSEL: if (copy_from_user(&val, argp, sizeof(val))) break; DPRINTK("PS3FB_IOCTL_FSEL:%d\n", val); retval = ps3fb_sync(val); break; default: retval = -ENOIOCTLCMD; break; } return retval; } static int ps3fbd(void *arg) { daemonize("ps3fbd"); for (;;) { down(&ps3fb.sem); if (atomic_read(&ps3fb.ext_flip) == 0) ps3fb_sync(0); /* single buffer */ } return 0; } static irqreturn_t ps3fb_vsync_interrupt(int irq, void *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) { printk(KERN_ERR "%s: lv1_gpu_context_intr failed: %d\n", __FUNCTION__, status); return IRQ_NONE; } if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) { /* VSYNC */ ps3fb.vblank_count = head->vblank_count; if (!ps3fb.is_blanked) up(&ps3fb.sem); wake_up_interruptible(&ps3fb.wait_vsync); } return IRQ_HANDLED; } #ifndef MODULE static int __init ps3fb_setup(char *options) { char *this_opt; int mode = 0; if (!options || !*options) return 0; /* no options */ while ((this_opt = strsep(&options, ",")) != NULL) { if (!*this_opt) continue; if (!strncmp(this_opt, "mode:", 5)) mode = simple_strtoul(this_opt + 5, NULL, 0); else mode_option = this_opt; } return mode; } #endif /* MODULE */ /* * Initialisation */ static void ps3fb_platform_release(struct device *device) { /* This is called when the reference count goes to zero. */ } static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, void *dev) { int error; DPRINTK("version_driver:%x\n", dinfo->version_driver); DPRINTK("irq outlet:%x\n", dinfo->irq.irq_outlet); DPRINTK("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) { printk(KERN_ERR "%s: version_driver err:%x\n", __FUNCTION__, dinfo->version_driver); return -EINVAL; } ps3fb.dev = dev; error = ps3_alloc_irq(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, &ps3fb.irq_no); if (error) { printk(KERN_ERR "%s: ps3_alloc_irq failed %d\n", __FUNCTION__, error); return error; } error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED, "ps3fb vsync", ps3fb.dev); if (error) { printk(KERN_ERR "%s: request_irq failed %d\n", __FUNCTION__, error); ps3_free_irq(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) { int status; status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, ps3fb_videomemory.size, 0); if (status) { printk(KERN_ERR "%s: lv1_gpu_context_iomap failed: %d\n", __FUNCTION__, status); return -ENXIO; } DPRINTK("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, ps3fb_videomemory.size, GPU_IOIF, 0); if (status) { printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n", __FUNCTION__, status); return -ENXIO; } return 0; } static struct fb_ops ps3fb_ops = { .fb_open = ps3fb_open, .fb_release = ps3fb_release, .fb_check_var = ps3fb_check_var, .fb_set_par = ps3fb_set_par, .fb_setcolreg = ps3fb_setcolreg, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_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 = "PS3 FB", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_TRUECOLOR, .accel = FB_ACCEL_NONE, }; static int __init ps3fb_probe(struct platform_device *dev) { struct fb_info *info; int retval = -ENOMEM; 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; unsigned long offset; /* get gpu context handle */ status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0, &ps3fb.memory_handle, &ddr_lpar); if (status) { printk(KERN_ERR "%s: lv1_gpu_memory_allocate failed: %d\n", __FUNCTION__, status); goto err; } DPRINTK("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) { printk(KERN_ERR "%s: lv1_gpu_context_attribute failed: %d\n", __FUNCTION__, status); goto err_gpu_memory_free; } /* vsync interrupt */ ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024); if (!ps3fb.dinfo) { printk(KERN_ERR "%s: ioremap failed\n", __FUNCTION__); goto err_gpu_context_free; } retval = ps3fb_vsync_settings(ps3fb.dinfo, dev); 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)); retval = ps3fb_xdr_settings(xdr_lpar); if (retval) goto err_free_irq; /* * ps3fb must clear memory to prevent kernel info * leakage into userspace */ memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size); info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev); if (!info) goto err_free_irq; offset = FB_OFF(ps3fb.res_index) + VP_OFF(ps3fb.res_index); info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset; info->fbops = &ps3fb_ops; info->fix = ps3fb_fix; info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea); info->fix.smem_len = ps3fb_videomemory.size - offset; info->pseudo_palette = info->par; info->par = NULL; info->flags = FBINFO_FLAG_DEFAULT; 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(), 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; platform_set_drvdata(dev, info); printk(KERN_INFO "fb%d: PS3 frame buffer device, using %ld KiB of video memory\n", info->node, ps3fb_videomemory.size >> 10); kernel_thread(ps3fbd, info, CLONE_KERNEL); return 0; err_fb_dealloc: fb_dealloc_cmap(&info->cmap); err_framebuffer_release: framebuffer_release(info); err_free_irq: free_irq(ps3fb.irq_no, ps3fb.dev); ps3_free_irq(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 void ps3fb_shutdown(struct platform_device *dev) { ps3fb_flip_ctl(0); /* flip off */ ps3fb.dinfo->irq.mask = 0; free_irq(ps3fb.irq_no, ps3fb.dev); ps3_free_irq(ps3fb.irq_no); iounmap((u8 __iomem *)ps3fb.dinfo); } void ps3fb_cleanup(void) { int status; if (ps3fb.irq_no) { free_irq(ps3fb.irq_no, ps3fb.dev); ps3_free_irq(ps3fb.irq_no); } iounmap((u8 __iomem *)ps3fb.dinfo); status = lv1_gpu_context_free(ps3fb.context_handle); if (status) DPRINTK("lv1_gpu_context_free failed: %d\n", status); status = lv1_gpu_memory_free(ps3fb.memory_handle); if (status) DPRINTK("lv1_gpu_memory_free failed: %d\n", status); ps3av_dev_close(); } EXPORT_SYMBOL_GPL(ps3fb_cleanup); static int ps3fb_remove(struct platform_device *dev) { struct fb_info *info = platform_get_drvdata(dev); if (info) { unregister_framebuffer(info); fb_dealloc_cmap(&info->cmap); framebuffer_release(info); } ps3fb_cleanup(); return 0; } static struct platform_driver ps3fb_driver = { .probe = ps3fb_probe, .remove = ps3fb_remove, .shutdown = ps3fb_shutdown, .driver = { .name = "ps3fb" } }; static struct platform_device ps3fb_device = { .name = "ps3fb", .id = 0, .dev = { .release = ps3fb_platform_release } }; int ps3fb_set_sync(void) { 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) { printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: %d\n", __FUNCTION__, 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) { printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_MODE failed: %d\n", __FUNCTION__, status); return -1; } #endif return 0; } EXPORT_SYMBOL_GPL(ps3fb_set_sync); static int __init ps3fb_init(void) { int error; #ifndef MODULE int mode; char *option = NULL; if (fb_get_options("ps3fb", &option)) goto err; #endif if (!ps3fb_videomemory.address) goto err; error = ps3av_dev_open(); if (error) { printk(KERN_ERR "%s: ps3av_dev_open failed\n", __FUNCTION__); goto err; } ps3fb_mode = ps3av_get_mode(); DPRINTK("ps3av_mode:%d\n", ps3fb_mode); #ifndef MODULE mode = ps3fb_setup(option); /* check boot option */ if (mode) ps3fb_mode = mode; #endif if (ps3fb_mode > 0) { u32 xres, yres; ps3av_video_mode2res(ps3fb_mode, &xres, &yres); ps3fb.res_index = ps3fb_get_res_table(xres, yres); DPRINTK("res_index:%d\n", ps3fb.res_index); } else ps3fb.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_MUTEX(&ps3fb.sem); init_waitqueue_head(&ps3fb.wait_vsync); ps3fb.num_frames = 1; error = platform_driver_register(&ps3fb_driver); if (!error) { error = platform_device_register(&ps3fb_device); if (error) platform_driver_unregister(&ps3fb_driver); } ps3fb_set_sync(); return error; err: return -ENXIO; } module_init(ps3fb_init); #ifdef MODULE static void __exit ps3fb_exit(void) { platform_device_unregister(&ps3fb_device); platform_driver_unregister(&ps3fb_driver); } module_exit(ps3fb_exit); MODULE_LICENSE("GPL"); #endif /* MODULE */