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![Geert Uytterhoeven](/assets/img/avatar_default.png)
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>
1229 lines
29 KiB
C
1229 lines
29 KiB
C
/*
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* linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device
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*
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* Copyright (C) 2006 Sony Computer Entertainment Inc.
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* Copyright 2006, 2007 Sony Corporation
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*
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* This file is based on :
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*
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* linux/drivers/video/vfb.c -- Virtual frame buffer device
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*
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* Copyright (C) 2002 James Simmons
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*
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* Copyright (C) 1997 Geert Uytterhoeven
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive for
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* more details.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/tty.h>
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/console.h>
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#include <linux/ioctl.h>
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#include <linux/notifier.h>
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#include <linux/reboot.h>
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#include <asm/uaccess.h>
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#include <linux/fb.h>
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#include <linux/init.h>
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#include <asm/time.h>
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#include <asm/abs_addr.h>
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#include <asm/lv1call.h>
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#include <asm/ps3av.h>
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#include <asm/ps3fb.h>
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#include <asm/ps3.h>
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#ifdef PS3FB_DEBUG
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#define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args)
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#else
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#define DPRINTK(fmt, args...)
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#endif
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#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC 0x101
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#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP 0x102
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#define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP 0x600
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#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601
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#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC 0x602
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#define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION (1ULL << 32)
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#define L1GPU_DISPLAY_SYNC_HSYNC 1
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#define L1GPU_DISPLAY_SYNC_VSYNC 2
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#define DDR_SIZE (0) /* used no ddr */
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#define GPU_OFFSET (64 * 1024)
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#define GPU_IOIF (0x0d000000UL)
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#define PS3FB_FULL_MODE_BIT 0x80
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#define GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */
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#define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */
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#define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */
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#define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */
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#define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */
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#define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */
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#define GPU_DRIVER_INFO_VERSION 0x211
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/* gpu internals */
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struct display_head {
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u64 be_time_stamp;
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u32 status;
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u32 offset;
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u32 res1;
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u32 res2;
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u32 field;
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u32 reserved1;
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u64 res3;
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u32 raster;
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u64 vblank_count;
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u32 field_vsync;
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u32 reserved2;
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};
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struct gpu_irq {
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u32 irq_outlet;
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u32 status;
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u32 mask;
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u32 video_cause;
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u32 graph_cause;
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u32 user_cause;
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u32 res1;
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u64 res2;
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u32 reserved[4];
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};
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struct gpu_driver_info {
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u32 version_driver;
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u32 version_gpu;
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u32 memory_size;
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u32 hardware_channel;
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u32 nvcore_frequency;
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u32 memory_frequency;
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u32 reserved[1063];
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struct display_head display_head[8];
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struct gpu_irq irq;
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};
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struct ps3fb_priv {
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unsigned int irq_no;
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void *dev;
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u64 context_handle, memory_handle;
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void *xdr_ea;
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struct gpu_driver_info *dinfo;
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struct semaphore sem;
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u32 res_index;
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u64 vblank_count; /* frame count */
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wait_queue_head_t wait_vsync;
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u32 num_frames; /* num of frame buffers */
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atomic_t ext_flip; /* on/off flip with vsync */
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atomic_t f_count; /* fb_open count */
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int is_blanked;
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};
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static struct ps3fb_priv ps3fb;
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struct ps3fb_res_table {
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u32 xres;
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u32 yres;
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u32 xoff;
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u32 yoff;
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u32 type;
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};
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#define PS3FB_RES_FULL 1
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static const struct ps3fb_res_table ps3fb_res[] = {
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/* res_x,y margin_x,y full */
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{ 720, 480, 72, 48 , 0},
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{ 720, 576, 72, 58 , 0},
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{ 1280, 720, 78, 38 , 0},
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{ 1920, 1080, 116, 58 , 0},
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/* full mode */
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{ 720, 480, 0, 0 , PS3FB_RES_FULL},
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{ 720, 576, 0, 0 , PS3FB_RES_FULL},
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{ 1280, 720, 0, 0 , PS3FB_RES_FULL},
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{ 1920, 1080, 0, 0 , PS3FB_RES_FULL},
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/* vesa: normally full mode */
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{ 1280, 768, 0, 0 , 0},
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{ 1280, 1024, 0, 0 , 0},
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{ 1920, 1200, 0, 0 , 0},
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{ 0, 0, 0, 0 , 0} };
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/* default resolution */
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#define GPU_RES_INDEX 0 /* 720 x 480 */
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static const struct fb_videomode ps3fb_modedb[] = {
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/* 60 Hz broadcast modes (modes "1" to "5") */
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{
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/* 480i */
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"480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6,
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FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
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}, {
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/* 480p */
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"480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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}, {
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/* 720p */
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"720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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}, {
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/* 1080i */
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"1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5,
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FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
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}, {
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/* 1080p */
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"1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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},
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/* 50 Hz broadcast modes (modes "6" to "10") */
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{
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/* 576i */
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"576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5,
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FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
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}, {
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/* 576p */
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"576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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}, {
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/* 720p */
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"720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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}, {
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/* 1080 */
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"1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5,
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FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
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}, {
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/* 1080p */
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"1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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},
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/* VESA modes (modes "11" to "13") */
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{
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/* WXGA */
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"wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6,
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0, FB_VMODE_NONINTERLACED,
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FB_MODE_IS_VESA
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}, {
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/* SXGA */
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"sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3,
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FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED,
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FB_MODE_IS_VESA
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}, {
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/* WUXGA */
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"wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6,
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FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED,
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FB_MODE_IS_VESA
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},
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/* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */
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{
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/* 480if */
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"480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6,
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FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
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}, {
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/* 480pf */
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"480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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}, {
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/* 720pf */
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"720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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}, {
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/* 1080if */
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"1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5,
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FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
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}, {
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/* 1080pf */
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"1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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},
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/* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */
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{
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/* 576if */
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"576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5,
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FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
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}, {
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/* 576pf */
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"576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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}, {
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/* 720pf */
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"720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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}, {
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/* 1080if */
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"1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5,
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FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
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}, {
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/* 1080pf */
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"1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5,
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FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
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}
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};
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#define HEAD_A
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#define HEAD_B
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#define X_OFF(i) (ps3fb_res[i].xoff) /* left/right margin (pixel) */
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#define Y_OFF(i) (ps3fb_res[i].yoff) /* top/bottom margin (pixel) */
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#define WIDTH(i) (ps3fb_res[i].xres) /* width of FB */
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#define HEIGHT(i) (ps3fb_res[i].yres) /* height of FB */
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#define BPP 4 /* number of bytes per pixel */
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#define VP_OFF(i) (WIDTH(i) * Y_OFF(i) * BPP + X_OFF(i) * BPP)
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#define FB_OFF(i) (GPU_OFFSET - VP_OFF(i) % GPU_OFFSET)
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static int ps3fb_mode = 0;
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module_param(ps3fb_mode, bool, 0);
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static char *mode_option __initdata = NULL;
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static int ps3fb_get_res_table(u32 xres, u32 yres)
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{
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int full_mode;
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unsigned int i;
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u32 x, y, f;
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full_mode = (ps3fb_mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0;
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for (i = 0;; i++) {
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x = ps3fb_res[i].xres;
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y = ps3fb_res[i].yres;
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f = ps3fb_res[i].type;
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if (!x) {
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DPRINTK("ERROR: ps3fb_get_res_table()\n");
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return -1;
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}
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if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL)
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continue;
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if (x == xres && (yres == 0 || y == yres))
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break;
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x = x - 2 * ps3fb_res[i].xoff;
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y = y - 2 * ps3fb_res[i].yoff;
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if (x == xres && (yres == 0 || y == yres))
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break;
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}
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return i;
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}
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static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var,
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u32 *line_length)
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{
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unsigned int i, mode;
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for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++)
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if (var->xres == ps3fb_modedb[i].xres &&
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var->yres == ps3fb_modedb[i].yres &&
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var->pixclock == ps3fb_modedb[i].pixclock &&
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var->hsync_len == ps3fb_modedb[i].hsync_len &&
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var->vsync_len == ps3fb_modedb[i].vsync_len &&
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var->left_margin == ps3fb_modedb[i].left_margin &&
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var->right_margin == ps3fb_modedb[i].right_margin &&
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var->upper_margin == ps3fb_modedb[i].upper_margin &&
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var->lower_margin == ps3fb_modedb[i].lower_margin &&
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var->sync == ps3fb_modedb[i].sync &&
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(var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode) {
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/* Cropped broadcast modes use the full line_length */
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*line_length =
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ps3fb_modedb[i < 10 ? i + 13 : i].xres * 4;
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/* Full broadcast modes have the full mode bit set */
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mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1;
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DPRINTK("ps3fb_find_mode: mode %u\n", mode);
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return mode;
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}
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DPRINTK("ps3fb_find_mode: mode not found\n");
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return 0;
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}
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static const struct fb_videomode *ps3fb_default_mode(void)
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{
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u32 mode = ps3fb_mode & PS3AV_MODE_MASK;
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u32 flags;
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if (mode < 1 || mode > 13)
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return NULL;
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flags = ps3fb_mode & ~PS3AV_MODE_MASK;
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if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) {
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/* Full broadcast mode */
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return &ps3fb_modedb[mode + 12];
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}
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return &ps3fb_modedb[mode - 1];
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}
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static int ps3fb_sync(u32 frame)
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{
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int i, status;
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u32 xres, yres;
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u64 fb_ioif, offset;
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i = ps3fb.res_index;
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xres = ps3fb_res[i].xres;
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yres = ps3fb_res[i].yres;
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if (frame > ps3fb.num_frames - 1) {
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printk(KERN_WARNING "%s: invalid frame number (%u)\n",
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__FUNCTION__, frame);
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return -EINVAL;
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}
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offset = xres * yres * BPP * frame;
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fb_ioif = GPU_IOIF + FB_OFF(i) + offset;
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status = lv1_gpu_context_attribute(ps3fb.context_handle,
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L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
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offset, fb_ioif,
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L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
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(xres << 16) | yres,
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xres * BPP); /* line_length */
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if (status)
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printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
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__FUNCTION__, status);
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#ifdef HEAD_A
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status = lv1_gpu_context_attribute(ps3fb.context_handle,
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L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
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0, offset, 0, 0);
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if (status)
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printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
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__FUNCTION__, status);
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#endif
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#ifdef HEAD_B
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status = lv1_gpu_context_attribute(ps3fb.context_handle,
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L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
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1, offset, 0, 0);
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if (status)
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printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
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__FUNCTION__, status);
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#endif
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return 0;
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}
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static int ps3fb_open(struct fb_info *info, int user)
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{
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atomic_inc(&ps3fb.f_count);
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return 0;
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}
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static int ps3fb_release(struct fb_info *info, int user)
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{
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if (atomic_dec_and_test(&ps3fb.f_count)) {
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if (atomic_read(&ps3fb.ext_flip)) {
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atomic_set(&ps3fb.ext_flip, 0);
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ps3fb_sync(0); /* single buffer */
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}
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}
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return 0;
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}
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/*
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* Setting the video mode has been split into two parts.
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* First part, xxxfb_check_var, must not write anything
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* to hardware, it should only verify and adjust var.
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* This means it doesn't alter par but it does use hardware
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* data from it to check this var.
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*/
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static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
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{
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u32 line_length;
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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 */
|