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1306 lines
33 KiB
1306 lines
33 KiB
/* |
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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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|
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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/interrupt.h> |
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#include <linux/console.h> |
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#include <linux/ioctl.h> |
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#include <linux/kthread.h> |
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#include <linux/freezer.h> |
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#include <linux/uaccess.h> |
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#include <linux/fb.h> |
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#include <linux/fbcon.h> |
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#include <linux/init.h> |
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|
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#include <asm/cell-regs.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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#include <asm/ps3gpu.h> |
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|
|
|
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#define DEVICE_NAME "ps3fb" |
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|
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#define GPU_CMD_BUF_SIZE (2 * 1024 * 1024) |
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#define GPU_FB_START (64 * 1024) |
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#define GPU_IOIF (0x0d000000UL) |
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#define GPU_ALIGN_UP(x) ALIGN((x), 64) |
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#define GPU_MAX_LINE_LENGTH (65536 - 64) |
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|
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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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|
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#define GPU_DRIVER_INFO_VERSION 0x211 |
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|
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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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|
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u64 res3; |
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u32 raster; |
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|
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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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|
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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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|
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u32 res1; |
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u64 res2; |
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|
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u32 reserved[4]; |
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}; |
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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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|
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u32 nvcore_frequency; |
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u32 memory_frequency; |
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|
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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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u64 context_handle, memory_handle; |
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struct gpu_driver_info *dinfo; |
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|
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u64 vblank_count; /* frame count */ |
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wait_queue_head_t wait_vsync; |
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|
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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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int is_kicked; |
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struct task_struct *task; |
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}; |
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static struct ps3fb_priv ps3fb; |
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|
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struct ps3fb_par { |
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u32 pseudo_palette[16]; |
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int mode_id, new_mode_id; |
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unsigned int num_frames; /* num of frame buffers */ |
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unsigned int width; |
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unsigned int height; |
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unsigned int ddr_line_length; |
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unsigned int ddr_frame_size; |
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unsigned int xdr_frame_size; |
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unsigned int full_offset; /* start of fullscreen DDR fb */ |
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unsigned int fb_offset; /* start of actual DDR fb */ |
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unsigned int pan_offset; |
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}; |
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|
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#define FIRST_NATIVE_MODE_INDEX 10 |
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|
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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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|
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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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/* 1080i */ |
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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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|
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[FIRST_NATIVE_MODE_INDEX] = |
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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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|
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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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"1080if", 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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/* 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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}; |
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|
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#define HEAD_A |
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#define HEAD_B |
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|
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#define BPP 4 /* number of bytes per pixel */ |
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static int ps3fb_mode; |
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module_param(ps3fb_mode, int, 0); |
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|
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static char *mode_option; |
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|
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static int ps3fb_cmp_mode(const struct fb_videomode *vmode, |
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const struct fb_var_screeninfo *var) |
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{ |
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long xres, yres, left_margin, right_margin, upper_margin, lower_margin; |
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long dx, dy; |
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|
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/* maximum values */ |
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if (var->xres > vmode->xres || var->yres > vmode->yres || |
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var->pixclock > vmode->pixclock || |
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var->hsync_len > vmode->hsync_len || |
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var->vsync_len > vmode->vsync_len) |
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return -1; |
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|
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/* progressive/interlaced must match */ |
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if ((var->vmode & FB_VMODE_MASK) != vmode->vmode) |
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return -1; |
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|
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/* minimum resolution */ |
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xres = max(var->xres, 1U); |
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yres = max(var->yres, 1U); |
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|
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/* minimum margins */ |
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left_margin = max(var->left_margin, vmode->left_margin); |
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right_margin = max(var->right_margin, vmode->right_margin); |
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upper_margin = max(var->upper_margin, vmode->upper_margin); |
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lower_margin = max(var->lower_margin, vmode->lower_margin); |
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|
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/* resolution + margins may not exceed native parameters */ |
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dx = ((long)vmode->left_margin + (long)vmode->xres + |
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(long)vmode->right_margin) - |
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(left_margin + xres + right_margin); |
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if (dx < 0) |
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return -1; |
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dy = ((long)vmode->upper_margin + (long)vmode->yres + |
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(long)vmode->lower_margin) - |
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(upper_margin + yres + lower_margin); |
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if (dy < 0) |
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return -1; |
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|
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/* exact match */ |
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if (!dx && !dy) |
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return 0; |
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|
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/* resolution difference */ |
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return (vmode->xres - xres) * (vmode->yres - yres); |
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} |
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static const struct fb_videomode *ps3fb_native_vmode(enum ps3av_mode_num id) |
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{ |
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return &ps3fb_modedb[FIRST_NATIVE_MODE_INDEX + id - 1]; |
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} |
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static const struct fb_videomode *ps3fb_vmode(int id) |
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{ |
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u32 mode = id & PS3AV_MODE_MASK; |
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if (mode < PS3AV_MODE_480I || mode > PS3AV_MODE_WUXGA) |
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return NULL; |
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if (mode <= PS3AV_MODE_1080P50 && !(id & PS3AV_MODE_FULL)) { |
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/* Non-fullscreen broadcast mode */ |
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return &ps3fb_modedb[mode - 1]; |
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} |
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|
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return ps3fb_native_vmode(mode); |
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} |
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|
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static unsigned int ps3fb_find_mode(struct fb_var_screeninfo *var, |
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u32 *ddr_line_length, u32 *xdr_line_length) |
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{ |
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unsigned int id, best_id; |
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int diff, best_diff; |
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const struct fb_videomode *vmode; |
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long gap; |
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|
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best_id = 0; |
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best_diff = INT_MAX; |
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pr_debug("%s: wanted %u [%u] %u x %u [%u] %u\n", __func__, |
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var->left_margin, var->xres, var->right_margin, |
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var->upper_margin, var->yres, var->lower_margin); |
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for (id = PS3AV_MODE_480I; id <= PS3AV_MODE_WUXGA; id++) { |
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vmode = ps3fb_native_vmode(id); |
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diff = ps3fb_cmp_mode(vmode, var); |
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pr_debug("%s: mode %u: %u [%u] %u x %u [%u] %u: diff = %d\n", |
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__func__, id, vmode->left_margin, vmode->xres, |
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vmode->right_margin, vmode->upper_margin, |
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vmode->yres, vmode->lower_margin, diff); |
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if (diff < 0) |
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continue; |
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if (diff < best_diff) { |
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best_id = id; |
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if (!diff) |
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break; |
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best_diff = diff; |
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} |
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} |
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|
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if (!best_id) { |
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pr_debug("%s: no suitable mode found\n", __func__); |
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return 0; |
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} |
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|
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id = best_id; |
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vmode = ps3fb_native_vmode(id); |
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|
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*ddr_line_length = vmode->xres * BPP; |
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|
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/* minimum resolution */ |
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if (!var->xres) |
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var->xres = 1; |
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if (!var->yres) |
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var->yres = 1; |
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|
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/* minimum virtual resolution */ |
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if (var->xres_virtual < var->xres) |
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var->xres_virtual = var->xres; |
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if (var->yres_virtual < var->yres) |
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var->yres_virtual = var->yres; |
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|
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/* minimum margins */ |
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if (var->left_margin < vmode->left_margin) |
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var->left_margin = vmode->left_margin; |
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if (var->right_margin < vmode->right_margin) |
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var->right_margin = vmode->right_margin; |
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if (var->upper_margin < vmode->upper_margin) |
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var->upper_margin = vmode->upper_margin; |
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if (var->lower_margin < vmode->lower_margin) |
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var->lower_margin = vmode->lower_margin; |
|
|
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/* extra margins */ |
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gap = ((long)vmode->left_margin + (long)vmode->xres + |
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(long)vmode->right_margin) - |
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((long)var->left_margin + (long)var->xres + |
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(long)var->right_margin); |
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if (gap > 0) { |
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var->left_margin += gap/2; |
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var->right_margin += (gap+1)/2; |
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pr_debug("%s: rounded up H to %u [%u] %u\n", __func__, |
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var->left_margin, var->xres, var->right_margin); |
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} |
|
|
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gap = ((long)vmode->upper_margin + (long)vmode->yres + |
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(long)vmode->lower_margin) - |
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((long)var->upper_margin + (long)var->yres + |
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(long)var->lower_margin); |
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if (gap > 0) { |
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var->upper_margin += gap/2; |
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var->lower_margin += (gap+1)/2; |
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pr_debug("%s: rounded up V to %u [%u] %u\n", __func__, |
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var->upper_margin, var->yres, var->lower_margin); |
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} |
|
|
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/* fixed fields */ |
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var->pixclock = vmode->pixclock; |
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var->hsync_len = vmode->hsync_len; |
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var->vsync_len = vmode->vsync_len; |
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var->sync = vmode->sync; |
|
|
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if (ps3_compare_firmware_version(1, 9, 0) >= 0) { |
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*xdr_line_length = GPU_ALIGN_UP(var->xres_virtual * BPP); |
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if (*xdr_line_length > GPU_MAX_LINE_LENGTH) |
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*xdr_line_length = GPU_MAX_LINE_LENGTH; |
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} else |
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*xdr_line_length = *ddr_line_length; |
|
|
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if (vmode->sync & FB_SYNC_BROADCAST) { |
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/* Full broadcast modes have the full mode bit set */ |
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if (vmode->xres == var->xres && vmode->yres == var->yres) |
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id |= PS3AV_MODE_FULL; |
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} |
|
|
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pr_debug("%s: mode %u\n", __func__, id); |
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return id; |
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} |
|
|
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static void ps3fb_sync_image(struct device *dev, u64 frame_offset, |
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u64 dst_offset, u64 src_offset, u32 width, |
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u32 height, u32 dst_line_length, |
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u32 src_line_length) |
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{ |
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int status; |
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u64 line_length; |
|
|
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line_length = dst_line_length; |
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if (src_line_length != dst_line_length) |
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line_length |= (u64)src_line_length << 32; |
|
|
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src_offset += GPU_FB_START; |
|
|
|
mutex_lock(&ps3_gpu_mutex); |
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status = lv1_gpu_fb_blit(ps3fb.context_handle, dst_offset, |
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GPU_IOIF + src_offset, |
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L1GPU_FB_BLIT_WAIT_FOR_COMPLETION | |
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(width << 16) | height, |
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line_length); |
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mutex_unlock(&ps3_gpu_mutex); |
|
|
|
if (status) |
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dev_err(dev, "%s: lv1_gpu_fb_blit failed: %d\n", __func__, |
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status); |
|
#ifdef HEAD_A |
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status = lv1_gpu_display_flip(ps3fb.context_handle, 0, frame_offset); |
|
if (status) |
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dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__, |
|
status); |
|
#endif |
|
#ifdef HEAD_B |
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status = lv1_gpu_display_flip(ps3fb.context_handle, 1, frame_offset); |
|
if (status) |
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dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__, |
|
status); |
|
#endif |
|
} |
|
|
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static int ps3fb_sync(struct fb_info *info, u32 frame) |
|
{ |
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struct ps3fb_par *par = info->par; |
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int error = 0; |
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u64 ddr_base, xdr_base; |
|
|
|
if (frame > par->num_frames - 1) { |
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dev_dbg(info->device, "%s: invalid frame number (%u)\n", |
|
__func__, frame); |
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error = -EINVAL; |
|
goto out; |
|
} |
|
|
|
xdr_base = frame * par->xdr_frame_size; |
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ddr_base = frame * par->ddr_frame_size; |
|
|
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ps3fb_sync_image(info->device, ddr_base + par->full_offset, |
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ddr_base + par->fb_offset, xdr_base + par->pan_offset, |
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par->width, par->height, par->ddr_line_length, |
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info->fix.line_length); |
|
|
|
out: |
|
return error; |
|
} |
|
|
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static int ps3fb_open(struct fb_info *info, int user) |
|
{ |
|
atomic_inc(&ps3fb.f_count); |
|
return 0; |
|
} |
|
|
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static int ps3fb_release(struct fb_info *info, int user) |
|
{ |
|
if (atomic_dec_and_test(&ps3fb.f_count)) { |
|
if (atomic_read(&ps3fb.ext_flip)) { |
|
atomic_set(&ps3fb.ext_flip, 0); |
|
if (console_trylock()) { |
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ps3fb_sync(info, 0); /* single buffer */ |
|
console_unlock(); |
|
} |
|
} |
|
} |
|
return 0; |
|
} |
|
|
|
/* |
|
* Setting the video mode has been split into two parts. |
|
* First part, xxxfb_check_var, must not write anything |
|
* to hardware, it should only verify and adjust var. |
|
* This means it doesn't alter par but it does use hardware |
|
* data from it to check this var. |
|
*/ |
|
|
|
static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) |
|
{ |
|
u32 xdr_line_length, ddr_line_length; |
|
int mode; |
|
|
|
mode = ps3fb_find_mode(var, &ddr_line_length, &xdr_line_length); |
|
if (!mode) |
|
return -EINVAL; |
|
|
|
/* Virtual screen */ |
|
if (var->xres_virtual > xdr_line_length / BPP) { |
|
dev_dbg(info->device, |
|
"Horizontal virtual screen size too large\n"); |
|
return -EINVAL; |
|
} |
|
|
|
if (var->xoffset + var->xres > var->xres_virtual || |
|
var->yoffset + var->yres > var->yres_virtual) { |
|
dev_dbg(info->device, "panning out-of-range\n"); |
|
return -EINVAL; |
|
} |
|
|
|
/* We support ARGB8888 only */ |
|
if (var->bits_per_pixel > 32 || var->grayscale || |
|
var->red.offset > 16 || var->green.offset > 8 || |
|
var->blue.offset > 0 || var->transp.offset > 24 || |
|
var->red.length > 8 || var->green.length > 8 || |
|
var->blue.length > 8 || var->transp.length > 8 || |
|
var->red.msb_right || var->green.msb_right || |
|
var->blue.msb_right || var->transp.msb_right || var->nonstd) { |
|
dev_dbg(info->device, "We support ARGB8888 only\n"); |
|
return -EINVAL; |
|
} |
|
|
|
var->bits_per_pixel = 32; |
|
var->red.offset = 16; |
|
var->green.offset = 8; |
|
var->blue.offset = 0; |
|
var->transp.offset = 24; |
|
var->red.length = 8; |
|
var->green.length = 8; |
|
var->blue.length = 8; |
|
var->transp.length = 8; |
|
var->red.msb_right = 0; |
|
var->green.msb_right = 0; |
|
var->blue.msb_right = 0; |
|
var->transp.msb_right = 0; |
|
|
|
/* Rotation is not supported */ |
|
if (var->rotate) { |
|
dev_dbg(info->device, "Rotation is not supported\n"); |
|
return -EINVAL; |
|
} |
|
|
|
/* Memory limit */ |
|
if (var->yres_virtual * xdr_line_length > info->fix.smem_len) { |
|
dev_dbg(info->device, "Not enough memory\n"); |
|
return -ENOMEM; |
|
} |
|
|
|
var->height = -1; |
|
var->width = -1; |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* This routine actually sets the video mode. |
|
*/ |
|
|
|
static int ps3fb_set_par(struct fb_info *info) |
|
{ |
|
struct ps3fb_par *par = info->par; |
|
unsigned int mode, ddr_line_length, xdr_line_length, lines, maxlines; |
|
unsigned int ddr_xoff, ddr_yoff, offset; |
|
const struct fb_videomode *vmode; |
|
u64 dst; |
|
|
|
mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length); |
|
if (!mode) |
|
return -EINVAL; |
|
|
|
vmode = ps3fb_native_vmode(mode & PS3AV_MODE_MASK); |
|
|
|
info->fix.xpanstep = info->var.xres_virtual > info->var.xres ? 1 : 0; |
|
info->fix.ypanstep = info->var.yres_virtual > info->var.yres ? 1 : 0; |
|
info->fix.line_length = xdr_line_length; |
|
|
|
par->ddr_line_length = ddr_line_length; |
|
par->ddr_frame_size = vmode->yres * ddr_line_length; |
|
par->xdr_frame_size = info->var.yres_virtual * xdr_line_length; |
|
|
|
par->num_frames = info->fix.smem_len / |
|
max(par->ddr_frame_size, par->xdr_frame_size); |
|
|
|
/* Keep the special bits we cannot set using fb_var_screeninfo */ |
|
par->new_mode_id = (par->new_mode_id & ~PS3AV_MODE_MASK) | mode; |
|
|
|
par->width = info->var.xres; |
|
par->height = info->var.yres; |
|
|
|
/* Start of the virtual frame buffer (relative to fullscreen) */ |
|
ddr_xoff = info->var.left_margin - vmode->left_margin; |
|
ddr_yoff = info->var.upper_margin - vmode->upper_margin; |
|
offset = ddr_yoff * ddr_line_length + ddr_xoff * BPP; |
|
|
|
par->fb_offset = GPU_ALIGN_UP(offset); |
|
par->full_offset = par->fb_offset - offset; |
|
par->pan_offset = info->var.yoffset * xdr_line_length + |
|
info->var.xoffset * BPP; |
|
|
|
if (par->new_mode_id != par->mode_id) { |
|
if (ps3av_set_video_mode(par->new_mode_id)) { |
|
par->new_mode_id = par->mode_id; |
|
return -EINVAL; |
|
} |
|
par->mode_id = par->new_mode_id; |
|
} |
|
|
|
/* Clear XDR frame buffer memory */ |
|
memset((void __force *)info->screen_base, 0, info->fix.smem_len); |
|
|
|
/* Clear DDR frame buffer memory */ |
|
lines = vmode->yres * par->num_frames; |
|
if (par->full_offset) |
|
lines++; |
|
maxlines = info->fix.smem_len / ddr_line_length; |
|
for (dst = 0; lines; dst += maxlines * ddr_line_length) { |
|
unsigned int l = min(lines, maxlines); |
|
ps3fb_sync_image(info->device, 0, dst, 0, vmode->xres, l, |
|
ddr_line_length, ddr_line_length); |
|
lines -= l; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* Set a single color register. The values supplied are already |
|
* rounded down to the hardware's capabilities (according to the |
|
* entries in the var structure). Return != 0 for invalid regno. |
|
*/ |
|
|
|
static int ps3fb_setcolreg(unsigned int regno, unsigned int red, |
|
unsigned int green, unsigned int blue, |
|
unsigned int transp, struct fb_info *info) |
|
{ |
|
if (regno >= 16) |
|
return 1; |
|
|
|
red >>= 8; |
|
green >>= 8; |
|
blue >>= 8; |
|
transp >>= 8; |
|
|
|
((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 | |
|
green << 8 | blue; |
|
return 0; |
|
} |
|
|
|
static int ps3fb_pan_display(struct fb_var_screeninfo *var, |
|
struct fb_info *info) |
|
{ |
|
struct ps3fb_par *par = info->par; |
|
|
|
par->pan_offset = var->yoffset * info->fix.line_length + |
|
var->xoffset * BPP; |
|
return 0; |
|
} |
|
|
|
/* |
|
* As we have a virtual frame buffer, we need our own mmap function |
|
*/ |
|
|
|
static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma) |
|
{ |
|
int r; |
|
|
|
r = vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len); |
|
|
|
dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", |
|
info->fix.smem_start + (vma->vm_pgoff << PAGE_SHIFT), |
|
vma->vm_start); |
|
|
|
return r; |
|
} |
|
|
|
/* |
|
* Blank the display |
|
*/ |
|
|
|
static int ps3fb_blank(int blank, struct fb_info *info) |
|
{ |
|
int retval; |
|
|
|
dev_dbg(info->device, "%s: blank:%d\n", __func__, blank); |
|
switch (blank) { |
|
case FB_BLANK_POWERDOWN: |
|
case FB_BLANK_HSYNC_SUSPEND: |
|
case FB_BLANK_VSYNC_SUSPEND: |
|
case FB_BLANK_NORMAL: |
|
retval = ps3av_video_mute(1); /* mute on */ |
|
if (!retval) |
|
ps3fb.is_blanked = 1; |
|
break; |
|
|
|
default: /* unblank */ |
|
retval = ps3av_video_mute(0); /* mute off */ |
|
if (!retval) |
|
ps3fb.is_blanked = 0; |
|
break; |
|
} |
|
return retval; |
|
} |
|
|
|
static int ps3fb_get_vblank(struct fb_vblank *vblank) |
|
{ |
|
memset(vblank, 0, sizeof(*vblank)); |
|
vblank->flags = FB_VBLANK_HAVE_VSYNC; |
|
return 0; |
|
} |
|
|
|
static int ps3fb_wait_for_vsync(u32 crtc) |
|
{ |
|
int ret; |
|
u64 count; |
|
|
|
count = ps3fb.vblank_count; |
|
ret = wait_event_interruptible_timeout(ps3fb.wait_vsync, |
|
count != ps3fb.vblank_count, |
|
HZ / 10); |
|
if (!ret) |
|
return -ETIMEDOUT; |
|
|
|
return 0; |
|
} |
|
|
|
|
|
/* |
|
* ioctl |
|
*/ |
|
|
|
static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd, |
|
unsigned long arg) |
|
{ |
|
void __user *argp = (void __user *)arg; |
|
u32 val; |
|
int retval = -EFAULT; |
|
|
|
switch (cmd) { |
|
case FBIOGET_VBLANK: |
|
{ |
|
struct fb_vblank vblank; |
|
dev_dbg(info->device, "FBIOGET_VBLANK:\n"); |
|
retval = ps3fb_get_vblank(&vblank); |
|
if (retval) |
|
break; |
|
|
|
if (copy_to_user(argp, &vblank, sizeof(vblank))) |
|
retval = -EFAULT; |
|
break; |
|
} |
|
|
|
case FBIO_WAITFORVSYNC: |
|
{ |
|
u32 crt; |
|
dev_dbg(info->device, "FBIO_WAITFORVSYNC:\n"); |
|
if (get_user(crt, (u32 __user *) arg)) |
|
break; |
|
|
|
retval = ps3fb_wait_for_vsync(crt); |
|
break; |
|
} |
|
|
|
case PS3FB_IOCTL_SETMODE: |
|
{ |
|
struct ps3fb_par *par = info->par; |
|
const struct fb_videomode *vmode; |
|
struct fb_var_screeninfo var; |
|
|
|
if (copy_from_user(&val, argp, sizeof(val))) |
|
break; |
|
|
|
if (!(val & PS3AV_MODE_MASK)) { |
|
u32 id = ps3av_get_auto_mode(); |
|
if (id > 0) |
|
val = (val & ~PS3AV_MODE_MASK) | id; |
|
} |
|
dev_dbg(info->device, "PS3FB_IOCTL_SETMODE:%x\n", val); |
|
retval = -EINVAL; |
|
vmode = ps3fb_vmode(val); |
|
if (vmode) { |
|
var = info->var; |
|
fb_videomode_to_var(&var, vmode); |
|
console_lock(); |
|
/* Force, in case only special bits changed */ |
|
var.activate |= FB_ACTIVATE_FORCE; |
|
par->new_mode_id = val; |
|
retval = fb_set_var(info, &var); |
|
if (!retval) |
|
fbcon_update_vcs(info, var.activate & FB_ACTIVATE_ALL); |
|
console_unlock(); |
|
} |
|
break; |
|
} |
|
|
|
case PS3FB_IOCTL_GETMODE: |
|
val = ps3av_get_mode(); |
|
dev_dbg(info->device, "PS3FB_IOCTL_GETMODE:%x\n", val); |
|
if (!copy_to_user(argp, &val, sizeof(val))) |
|
retval = 0; |
|
break; |
|
|
|
case PS3FB_IOCTL_SCREENINFO: |
|
{ |
|
struct ps3fb_par *par = info->par; |
|
struct ps3fb_ioctl_res res; |
|
dev_dbg(info->device, "PS3FB_IOCTL_SCREENINFO:\n"); |
|
res.xres = info->fix.line_length / BPP; |
|
res.yres = info->var.yres_virtual; |
|
res.xoff = (res.xres - info->var.xres) / 2; |
|
res.yoff = (res.yres - info->var.yres) / 2; |
|
res.num_frames = par->num_frames; |
|
if (!copy_to_user(argp, &res, sizeof(res))) |
|
retval = 0; |
|
break; |
|
} |
|
|
|
case PS3FB_IOCTL_ON: |
|
dev_dbg(info->device, "PS3FB_IOCTL_ON:\n"); |
|
atomic_inc(&ps3fb.ext_flip); |
|
retval = 0; |
|
break; |
|
|
|
case PS3FB_IOCTL_OFF: |
|
dev_dbg(info->device, "PS3FB_IOCTL_OFF:\n"); |
|
atomic_dec_if_positive(&ps3fb.ext_flip); |
|
retval = 0; |
|
break; |
|
|
|
case PS3FB_IOCTL_FSEL: |
|
if (copy_from_user(&val, argp, sizeof(val))) |
|
break; |
|
|
|
dev_dbg(info->device, "PS3FB_IOCTL_FSEL:%d\n", val); |
|
console_lock(); |
|
retval = ps3fb_sync(info, val); |
|
console_unlock(); |
|
break; |
|
|
|
default: |
|
retval = -ENOIOCTLCMD; |
|
break; |
|
} |
|
return retval; |
|
} |
|
|
|
static int ps3fbd(void *arg) |
|
{ |
|
struct fb_info *info = arg; |
|
|
|
set_freezable(); |
|
while (!kthread_should_stop()) { |
|
try_to_freeze(); |
|
set_current_state(TASK_INTERRUPTIBLE); |
|
if (ps3fb.is_kicked) { |
|
ps3fb.is_kicked = 0; |
|
console_lock(); |
|
ps3fb_sync(info, 0); /* single buffer */ |
|
console_unlock(); |
|
} |
|
schedule(); |
|
} |
|
return 0; |
|
} |
|
|
|
static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr) |
|
{ |
|
struct device *dev = ptr; |
|
u64 v1; |
|
int status; |
|
struct display_head *head = &ps3fb.dinfo->display_head[1]; |
|
|
|
status = lv1_gpu_context_intr(ps3fb.context_handle, &v1); |
|
if (status) { |
|
dev_err(dev, "%s: lv1_gpu_context_intr failed: %d\n", __func__, |
|
status); |
|
return IRQ_NONE; |
|
} |
|
|
|
if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) { |
|
/* VSYNC */ |
|
ps3fb.vblank_count = head->vblank_count; |
|
if (ps3fb.task && !ps3fb.is_blanked && |
|
!atomic_read(&ps3fb.ext_flip)) { |
|
ps3fb.is_kicked = 1; |
|
wake_up_process(ps3fb.task); |
|
} |
|
wake_up_interruptible(&ps3fb.wait_vsync); |
|
} |
|
|
|
return IRQ_HANDLED; |
|
} |
|
|
|
|
|
static const struct fb_ops ps3fb_ops = { |
|
.fb_open = ps3fb_open, |
|
.fb_release = ps3fb_release, |
|
.fb_read = fb_sys_read, |
|
.fb_write = fb_sys_write, |
|
.fb_check_var = ps3fb_check_var, |
|
.fb_set_par = ps3fb_set_par, |
|
.fb_setcolreg = ps3fb_setcolreg, |
|
.fb_pan_display = ps3fb_pan_display, |
|
.fb_fillrect = sys_fillrect, |
|
.fb_copyarea = sys_copyarea, |
|
.fb_imageblit = sys_imageblit, |
|
.fb_mmap = ps3fb_mmap, |
|
.fb_blank = ps3fb_blank, |
|
.fb_ioctl = ps3fb_ioctl, |
|
.fb_compat_ioctl = ps3fb_ioctl |
|
}; |
|
|
|
static const struct fb_fix_screeninfo ps3fb_fix = { |
|
.id = DEVICE_NAME, |
|
.type = FB_TYPE_PACKED_PIXELS, |
|
.visual = FB_VISUAL_TRUECOLOR, |
|
.accel = FB_ACCEL_NONE, |
|
}; |
|
|
|
static int ps3fb_probe(struct ps3_system_bus_device *dev) |
|
{ |
|
struct fb_info *info; |
|
struct ps3fb_par *par; |
|
int retval; |
|
u64 ddr_lpar = 0; |
|
u64 lpar_dma_control = 0; |
|
u64 lpar_driver_info = 0; |
|
u64 lpar_reports = 0; |
|
u64 lpar_reports_size = 0; |
|
u64 xdr_lpar; |
|
struct gpu_driver_info *dinfo; |
|
void *fb_start; |
|
int status; |
|
struct task_struct *task; |
|
unsigned long max_ps3fb_size; |
|
|
|
if (ps3fb_videomemory.size < GPU_CMD_BUF_SIZE) { |
|
dev_err(&dev->core, "%s: Not enough video memory\n", __func__); |
|
return -ENOMEM; |
|
} |
|
|
|
retval = ps3_open_hv_device(dev); |
|
if (retval) { |
|
dev_err(&dev->core, "%s: ps3_open_hv_device failed\n", |
|
__func__); |
|
goto err; |
|
} |
|
|
|
if (!ps3fb_mode) |
|
ps3fb_mode = ps3av_get_mode(); |
|
dev_dbg(&dev->core, "ps3fb_mode: %d\n", ps3fb_mode); |
|
|
|
atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */ |
|
atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */ |
|
init_waitqueue_head(&ps3fb.wait_vsync); |
|
|
|
#ifdef HEAD_A |
|
status = lv1_gpu_display_sync(0x0, 0, L1GPU_DISPLAY_SYNC_VSYNC); |
|
if (status) { |
|
dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", |
|
__func__, status); |
|
retval = -ENODEV; |
|
goto err_close_device; |
|
} |
|
#endif |
|
#ifdef HEAD_B |
|
status = lv1_gpu_display_sync(0x0, 1, L1GPU_DISPLAY_SYNC_VSYNC); |
|
if (status) { |
|
dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n", |
|
__func__, status); |
|
retval = -ENODEV; |
|
goto err_close_device; |
|
} |
|
#endif |
|
|
|
max_ps3fb_size = ALIGN(GPU_IOIF, 256*1024*1024) - GPU_IOIF; |
|
if (ps3fb_videomemory.size > max_ps3fb_size) { |
|
dev_info(&dev->core, "Limiting ps3fb mem size to %lu bytes\n", |
|
max_ps3fb_size); |
|
ps3fb_videomemory.size = max_ps3fb_size; |
|
} |
|
|
|
/* get gpu context handle */ |
|
status = lv1_gpu_memory_allocate(ps3fb_videomemory.size, 0, 0, 0, 0, |
|
&ps3fb.memory_handle, &ddr_lpar); |
|
if (status) { |
|
dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n", |
|
__func__, status); |
|
retval = -ENOMEM; |
|
goto err_close_device; |
|
} |
|
dev_dbg(&dev->core, "ddr:lpar:0x%llx\n", ddr_lpar); |
|
|
|
status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0, |
|
&ps3fb.context_handle, |
|
&lpar_dma_control, &lpar_driver_info, |
|
&lpar_reports, &lpar_reports_size); |
|
if (status) { |
|
dev_err(&dev->core, |
|
"%s: lv1_gpu_context_allocate failed: %d\n", __func__, |
|
status); |
|
retval = -ENOMEM; |
|
goto err_gpu_memory_free; |
|
} |
|
|
|
/* vsync interrupt */ |
|
dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024); |
|
if (!dinfo) { |
|
dev_err(&dev->core, "%s: ioremap failed\n", __func__); |
|
retval = -ENOMEM; |
|
goto err_gpu_context_free; |
|
} |
|
|
|
ps3fb.dinfo = dinfo; |
|
dev_dbg(&dev->core, "version_driver:%x\n", dinfo->version_driver); |
|
dev_dbg(&dev->core, "irq outlet:%x\n", dinfo->irq.irq_outlet); |
|
dev_dbg(&dev->core, "version_gpu: %x memory_size: %x ch: %x " |
|
"core_freq: %d mem_freq:%d\n", dinfo->version_gpu, |
|
dinfo->memory_size, dinfo->hardware_channel, |
|
dinfo->nvcore_frequency/1000000, |
|
dinfo->memory_frequency/1000000); |
|
|
|
if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) { |
|
dev_err(&dev->core, "%s: version_driver err:%x\n", __func__, |
|
dinfo->version_driver); |
|
retval = -EINVAL; |
|
goto err_iounmap_dinfo; |
|
} |
|
|
|
retval = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, |
|
&ps3fb.irq_no); |
|
if (retval) { |
|
dev_err(&dev->core, "%s: ps3_alloc_irq failed %d\n", __func__, |
|
retval); |
|
goto err_iounmap_dinfo; |
|
} |
|
|
|
retval = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, |
|
0, DEVICE_NAME, &dev->core); |
|
if (retval) { |
|
dev_err(&dev->core, "%s: request_irq failed %d\n", __func__, |
|
retval); |
|
goto err_destroy_plug; |
|
} |
|
|
|
dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) | |
|
(1 << GPU_INTR_STATUS_FLIP_1); |
|
|
|
/* Clear memory to prevent kernel info leakage into userspace */ |
|
memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size); |
|
|
|
xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); |
|
|
|
status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, |
|
xdr_lpar, ps3fb_videomemory.size, |
|
CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | |
|
CBE_IOPTE_M); |
|
if (status) { |
|
dev_err(&dev->core, "%s: lv1_gpu_context_iomap failed: %d\n", |
|
__func__, status); |
|
retval = -ENXIO; |
|
goto err_free_irq; |
|
} |
|
|
|
dev_dbg(&dev->core, "video:%p ioif:%lx lpar:%llx size:%lx\n", |
|
ps3fb_videomemory.address, GPU_IOIF, xdr_lpar, |
|
ps3fb_videomemory.size); |
|
|
|
status = lv1_gpu_fb_setup(ps3fb.context_handle, xdr_lpar, |
|
GPU_CMD_BUF_SIZE, GPU_IOIF); |
|
if (status) { |
|
dev_err(&dev->core, "%s: lv1_gpu_fb_setup failed: %d\n", |
|
__func__, status); |
|
retval = -ENXIO; |
|
goto err_context_unmap; |
|
} |
|
|
|
info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core); |
|
if (!info) { |
|
retval = -ENOMEM; |
|
goto err_context_fb_close; |
|
} |
|
|
|
par = info->par; |
|
par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */ |
|
par->new_mode_id = ps3fb_mode; |
|
par->num_frames = 1; |
|
|
|
info->fbops = &ps3fb_ops; |
|
info->fix = ps3fb_fix; |
|
|
|
/* |
|
* The GPU command buffer is at the start of video memory |
|
* As we don't use the full command buffer, we can put the actual |
|
* frame buffer at offset GPU_FB_START and save some precious XDR |
|
* memory |
|
*/ |
|
fb_start = ps3fb_videomemory.address + GPU_FB_START; |
|
info->screen_base = (char __force __iomem *)fb_start; |
|
info->fix.smem_start = __pa(fb_start); |
|
info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START; |
|
|
|
info->pseudo_palette = par->pseudo_palette; |
|
info->flags = FBINFO_DEFAULT | FBINFO_READS_FAST | |
|
FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN; |
|
|
|
retval = fb_alloc_cmap(&info->cmap, 256, 0); |
|
if (retval < 0) |
|
goto err_framebuffer_release; |
|
|
|
if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb, |
|
ARRAY_SIZE(ps3fb_modedb), |
|
ps3fb_vmode(par->new_mode_id), 32)) { |
|
retval = -EINVAL; |
|
goto err_fb_dealloc; |
|
} |
|
|
|
fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb), |
|
&info->modelist); |
|
|
|
retval = register_framebuffer(info); |
|
if (retval < 0) |
|
goto err_fb_dealloc; |
|
|
|
ps3_system_bus_set_drvdata(dev, info); |
|
|
|
dev_info(info->device, "%s %s, using %u KiB of video memory\n", |
|
dev_driver_string(info->dev), dev_name(info->dev), |
|
info->fix.smem_len >> 10); |
|
|
|
task = kthread_run(ps3fbd, info, DEVICE_NAME); |
|
if (IS_ERR(task)) { |
|
retval = PTR_ERR(task); |
|
goto err_unregister_framebuffer; |
|
} |
|
|
|
ps3fb.task = task; |
|
|
|
return 0; |
|
|
|
err_unregister_framebuffer: |
|
unregister_framebuffer(info); |
|
err_fb_dealloc: |
|
fb_dealloc_cmap(&info->cmap); |
|
err_framebuffer_release: |
|
framebuffer_release(info); |
|
err_context_fb_close: |
|
lv1_gpu_fb_close(ps3fb.context_handle); |
|
err_context_unmap: |
|
lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, |
|
ps3fb_videomemory.size, CBE_IOPTE_M); |
|
err_free_irq: |
|
free_irq(ps3fb.irq_no, &dev->core); |
|
err_destroy_plug: |
|
ps3_irq_plug_destroy(ps3fb.irq_no); |
|
err_iounmap_dinfo: |
|
iounmap((u8 __force __iomem *)ps3fb.dinfo); |
|
err_gpu_context_free: |
|
lv1_gpu_context_free(ps3fb.context_handle); |
|
err_gpu_memory_free: |
|
lv1_gpu_memory_free(ps3fb.memory_handle); |
|
err_close_device: |
|
ps3_close_hv_device(dev); |
|
err: |
|
return retval; |
|
} |
|
|
|
static void ps3fb_shutdown(struct ps3_system_bus_device *dev) |
|
{ |
|
struct fb_info *info = ps3_system_bus_get_drvdata(dev); |
|
u64 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address)); |
|
|
|
dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); |
|
|
|
atomic_inc(&ps3fb.ext_flip); /* flip off */ |
|
ps3fb.dinfo->irq.mask = 0; |
|
|
|
if (ps3fb.task) { |
|
struct task_struct *task = ps3fb.task; |
|
ps3fb.task = NULL; |
|
kthread_stop(task); |
|
} |
|
if (ps3fb.irq_no) { |
|
free_irq(ps3fb.irq_no, &dev->core); |
|
ps3_irq_plug_destroy(ps3fb.irq_no); |
|
} |
|
if (info) { |
|
unregister_framebuffer(info); |
|
fb_dealloc_cmap(&info->cmap); |
|
framebuffer_release(info); |
|
ps3_system_bus_set_drvdata(dev, NULL); |
|
} |
|
iounmap((u8 __force __iomem *)ps3fb.dinfo); |
|
lv1_gpu_fb_close(ps3fb.context_handle); |
|
lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar, |
|
ps3fb_videomemory.size, CBE_IOPTE_M); |
|
lv1_gpu_context_free(ps3fb.context_handle); |
|
lv1_gpu_memory_free(ps3fb.memory_handle); |
|
ps3_close_hv_device(dev); |
|
dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); |
|
} |
|
|
|
static struct ps3_system_bus_driver ps3fb_driver = { |
|
.match_id = PS3_MATCH_ID_GPU, |
|
.match_sub_id = PS3_MATCH_SUB_ID_GPU_FB, |
|
.core.name = DEVICE_NAME, |
|
.core.owner = THIS_MODULE, |
|
.probe = ps3fb_probe, |
|
.remove = ps3fb_shutdown, |
|
.shutdown = ps3fb_shutdown, |
|
}; |
|
|
|
static int __init ps3fb_setup(void) |
|
{ |
|
char *options; |
|
|
|
#ifdef MODULE |
|
return 0; |
|
#endif |
|
|
|
if (fb_get_options(DEVICE_NAME, &options)) |
|
return -ENXIO; |
|
|
|
if (!options || !*options) |
|
return 0; |
|
|
|
while (1) { |
|
char *this_opt = strsep(&options, ","); |
|
|
|
if (!this_opt) |
|
break; |
|
if (!*this_opt) |
|
continue; |
|
if (!strncmp(this_opt, "mode:", 5)) |
|
ps3fb_mode = simple_strtoul(this_opt + 5, NULL, 0); |
|
else |
|
mode_option = this_opt; |
|
} |
|
return 0; |
|
} |
|
|
|
static int __init ps3fb_init(void) |
|
{ |
|
if (!ps3fb_videomemory.address || ps3fb_setup()) |
|
return -ENXIO; |
|
|
|
return ps3_system_bus_driver_register(&ps3fb_driver); |
|
} |
|
|
|
static void __exit ps3fb_exit(void) |
|
{ |
|
pr_debug(" -> %s:%d\n", __func__, __LINE__); |
|
ps3_system_bus_driver_unregister(&ps3fb_driver); |
|
pr_debug(" <- %s:%d\n", __func__, __LINE__); |
|
} |
|
|
|
module_init(ps3fb_init); |
|
module_exit(ps3fb_exit); |
|
|
|
MODULE_LICENSE("GPL"); |
|
MODULE_DESCRIPTION("PS3 GPU Frame Buffer Driver"); |
|
MODULE_AUTHOR("Sony Computer Entertainment Inc."); |
|
MODULE_ALIAS(PS3_MODULE_ALIAS_GPU_FB);
|
|
|