[PATCH] ps3: Virtual Frame Buffer Driver
Add the PS3 Virtual Frame Buffer Driver.
As the actual graphics hardware cannot be accessed directly by Linux, ps3fb
uses a virtual frame buffer in main memory. The actual screen image is copied
to graphics memory by the GPU on every vertical blank, by making a hypervisor
call.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 95cbc83..8874cf2 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1598,6 +1598,26 @@
Say Y here to enable support for the IBM GXT4500P display
adaptor, found on some IBM System P (pSeries) machines.
+config FB_PS3
+ bool "PS3 GPU framebuffer driver"
+ depends on FB && PPC_PS3
+ select PS3_PS3AV
+ select FB_CFB_FILLRECT
+ select FB_CFB_COPYAREA
+ select FB_CFB_IMAGEBLIT
+ ---help---
+ Include support for the virtual frame buffer in the PS3 platform.
+
+config FB_PS3_DEFAULT_SIZE_M
+ int "PS3 default frame buffer size (in MiB)"
+ depends on FB_PS3
+ default 18
+ ---help---
+ This is the default size (in MiB) of the virtual frame buffer in
+ the PS3.
+ The default value can be overridden on the kernel command line
+ using the "ps3fb" option (e.g. "ps3fb=9M");
+
config FB_VIRTUAL
tristate "Virtual Frame Buffer support (ONLY FOR TESTING!)"
depends on FB
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 8b6fc0a..6801edf 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -97,6 +97,7 @@
obj-$(CONFIG_FB_PNX4008_DUM) += pnx4008/
obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnx4008/
obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o
+obj-$(CONFIG_FB_PS3) += ps3fb.o
# Platform or fallback drivers go here
obj-$(CONFIG_FB_VESA) += vesafb.o
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c
new file mode 100644
index 0000000..81e43cd
--- /dev/null
+++ b/drivers/video/ps3fb.c
@@ -0,0 +1,1229 @@
+/*
+ * 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 */
