diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/Kconfig | 20 | ||||
| -rw-r--r-- | drivers/video/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/ps3fb.c | 1229 |
3 files changed, 1250 insertions, 0 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 95cbc836f57a..8874cf2fd279 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1598,6 +1598,26 @@ config FB_IBM_GXT4500 Say Y here to enable support for the IBM GXT4500P display adaptor, found on some IBM System P (pSeries) machines. +config FB_PS3 + bool "PS3 GPU framebuffer driver" + depends on FB && PPC_PS3 + select PS3_PS3AV + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + ---help--- + Include support for the virtual frame buffer in the PS3 platform. + +config FB_PS3_DEFAULT_SIZE_M + int "PS3 default frame buffer size (in MiB)" + depends on FB_PS3 + default 18 + ---help--- + This is the default size (in MiB) of the virtual frame buffer in + the PS3. + The default value can be overridden on the kernel command line + using the "ps3fb" option (e.g. "ps3fb=9M"); + config FB_VIRTUAL tristate "Virtual Frame Buffer support (ONLY FOR TESTING!)" depends on FB diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 8b6fc0a6041b..6801edff36d9 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -97,6 +97,7 @@ obj-$(CONFIG_FB_S3C2410) += s3c2410fb.o obj-$(CONFIG_FB_PNX4008_DUM) += pnx4008/ obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnx4008/ obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o +obj-$(CONFIG_FB_PS3) += ps3fb.o # Platform or fallback drivers go here obj-$(CONFIG_FB_VESA) += vesafb.o diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c new file mode 100644 index 000000000000..81e43cda7d8b --- /dev/null +++ b/drivers/video/ps3fb.c @@ -0,0 +1,1229 @@ +/* + * linux/drivers/video/ps3fb.c -- PS3 GPU frame buffer device + * + * Copyright (C) 2006 Sony Computer Entertainment Inc. + * Copyright 2006, 2007 Sony Corporation + * + * This file is based on : + * + * linux/drivers/video/vfb.c -- Virtual frame buffer device + * + * Copyright (C) 2002 James Simmons + * + * Copyright (C) 1997 Geert Uytterhoeven + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/console.h> +#include <linux/ioctl.h> +#include <linux/notifier.h> +#include <linux/reboot.h> + +#include <asm/uaccess.h> +#include <linux/fb.h> +#include <linux/init.h> +#include <asm/time.h> + +#include <asm/abs_addr.h> +#include <asm/lv1call.h> +#include <asm/ps3av.h> +#include <asm/ps3fb.h> +#include <asm/ps3.h> + +#ifdef PS3FB_DEBUG +#define DPRINTK(fmt, args...) printk("%s: " fmt, __FUNCTION__ , ##args) +#else +#define DPRINTK(fmt, args...) +#endif + +#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC 0x101 +#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP 0x102 +#define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP 0x600 +#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601 +#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC 0x602 + +#define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION (1ULL << 32) + +#define L1GPU_DISPLAY_SYNC_HSYNC 1 +#define L1GPU_DISPLAY_SYNC_VSYNC 2 + +#define DDR_SIZE (0) /* used no ddr */ +#define GPU_OFFSET (64 * 1024) +#define GPU_IOIF (0x0d000000UL) + +#define PS3FB_FULL_MODE_BIT 0x80 + +#define GPU_INTR_STATUS_VSYNC_0 0 /* vsync on head A */ +#define GPU_INTR_STATUS_VSYNC_1 1 /* vsync on head B */ +#define GPU_INTR_STATUS_FLIP_0 3 /* flip head A */ +#define GPU_INTR_STATUS_FLIP_1 4 /* flip head B */ +#define GPU_INTR_STATUS_QUEUE_0 5 /* queue head A */ +#define GPU_INTR_STATUS_QUEUE_1 6 /* queue head B */ + +#define GPU_DRIVER_INFO_VERSION 0x211 + +/* gpu internals */ +struct display_head { + u64 be_time_stamp; + u32 status; + u32 offset; + u32 res1; + u32 res2; + u32 field; + u32 reserved1; + + u64 res3; + u32 raster; + + u64 vblank_count; + u32 field_vsync; + u32 reserved2; +}; + +struct gpu_irq { + u32 irq_outlet; + u32 status; + u32 mask; + u32 video_cause; + u32 graph_cause; + u32 user_cause; + + u32 res1; + u64 res2; + + u32 reserved[4]; +}; + +struct gpu_driver_info { + u32 version_driver; + u32 version_gpu; + u32 memory_size; + u32 hardware_channel; + + u32 nvcore_frequency; + u32 memory_frequency; + + u32 reserved[1063]; + struct display_head display_head[8]; + struct gpu_irq irq; +}; + +struct ps3fb_priv { + unsigned int irq_no; + void *dev; + + u64 context_handle, memory_handle; + void *xdr_ea; + struct gpu_driver_info *dinfo; + struct semaphore sem; + u32 res_index; + + u64 vblank_count; /* frame count */ + wait_queue_head_t wait_vsync; + + u32 num_frames; /* num of frame buffers */ + atomic_t ext_flip; /* on/off flip with vsync */ + atomic_t f_count; /* fb_open count */ + int is_blanked; +}; +static struct ps3fb_priv ps3fb; + +struct ps3fb_res_table { + u32 xres; + u32 yres; + u32 xoff; + u32 yoff; + u32 type; +}; +#define PS3FB_RES_FULL 1 +static const struct ps3fb_res_table ps3fb_res[] = { + /* res_x,y margin_x,y full */ + { 720, 480, 72, 48 , 0}, + { 720, 576, 72, 58 , 0}, + { 1280, 720, 78, 38 , 0}, + { 1920, 1080, 116, 58 , 0}, + /* full mode */ + { 720, 480, 0, 0 , PS3FB_RES_FULL}, + { 720, 576, 0, 0 , PS3FB_RES_FULL}, + { 1280, 720, 0, 0 , PS3FB_RES_FULL}, + { 1920, 1080, 0, 0 , PS3FB_RES_FULL}, + /* vesa: normally full mode */ + { 1280, 768, 0, 0 , 0}, + { 1280, 1024, 0, 0 , 0}, + { 1920, 1200, 0, 0 , 0}, + { 0, 0, 0, 0 , 0} }; + +/* default resolution */ +#define GPU_RES_INDEX 0 /* 720 x 480 */ + +static const struct fb_videomode ps3fb_modedb[] = { + /* 60 Hz broadcast modes (modes "1" to "5") */ + { + /* 480i */ + "480i", 60, 576, 384, 74074, 130, 89, 78, 57, 63, 6, + FB_SYNC_BROADCAST, FB_VMODE_INTERLACED + }, { + /* 480p */ + "480p", 60, 576, 384, 37037, 130, 89, 78, 57, 63, 6, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, { + /* 720p */ + "720p", 60, 1124, 644, 13481, 298, 148, 57, 44, 80, 5, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, { + /* 1080i */ + "1080i", 60, 1688, 964, 13481, 264, 160, 94, 62, 88, 5, + FB_SYNC_BROADCAST, FB_VMODE_INTERLACED + }, { + /* 1080p */ + "1080p", 60, 1688, 964, 6741, 264, 160, 94, 62, 88, 5, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, + + /* 50 Hz broadcast modes (modes "6" to "10") */ + { + /* 576i */ + "576i", 50, 576, 460, 74074, 142, 83, 97, 63, 63, 5, + FB_SYNC_BROADCAST, FB_VMODE_INTERLACED + }, { + /* 576p */ + "576p", 50, 576, 460, 37037, 142, 83, 97, 63, 63, 5, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, { + /* 720p */ + "720p", 50, 1124, 644, 13468, 298, 478, 57, 44, 80, 5, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, { + /* 1080 */ + "1080i", 50, 1688, 964, 13468, 264, 600, 94, 62, 88, 5, + FB_SYNC_BROADCAST, FB_VMODE_INTERLACED + }, { + /* 1080p */ + "1080p", 50, 1688, 964, 6734, 264, 600, 94, 62, 88, 5, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, + + /* VESA modes (modes "11" to "13") */ + { + /* WXGA */ + "wxga", 60, 1280, 768, 12924, 160, 24, 29, 3, 136, 6, + 0, FB_VMODE_NONINTERLACED, + FB_MODE_IS_VESA + }, { + /* SXGA */ + "sxga", 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3, + FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, + FB_MODE_IS_VESA + }, { + /* WUXGA */ + "wuxga", 60, 1920, 1200, 6494, 80, 48, 26, 3, 32, 6, + FB_SYNC_HOR_HIGH_ACT, FB_VMODE_NONINTERLACED, + FB_MODE_IS_VESA + }, + + /* 60 Hz broadcast modes (full resolution versions of modes "1" to "5") */ + { + /* 480if */ + "480if", 60, 720, 480, 74074, 58, 17, 30, 9, 63, 6, + FB_SYNC_BROADCAST, FB_VMODE_INTERLACED + }, { + /* 480pf */ + "480pf", 60, 720, 480, 37037, 58, 17, 30, 9, 63, 6, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, { + /* 720pf */ + "720pf", 60, 1280, 720, 13481, 220, 70, 19, 6, 80, 5, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, { + /* 1080if */ + "1080if", 60, 1920, 1080, 13481, 148, 44, 36, 4, 88, 5, + FB_SYNC_BROADCAST, FB_VMODE_INTERLACED + }, { + /* 1080pf */ + "1080pf", 60, 1920, 1080, 6741, 148, 44, 36, 4, 88, 5, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, + + /* 50 Hz broadcast modes (full resolution versions of modes "6" to "10") */ + { + /* 576if */ + "576if", 50, 720, 576, 74074, 70, 11, 39, 5, 63, 5, + FB_SYNC_BROADCAST, FB_VMODE_INTERLACED + }, { + /* 576pf */ + "576pf", 50, 720, 576, 37037, 70, 11, 39, 5, 63, 5, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, { + /* 720pf */ + "720pf", 50, 1280, 720, 13468, 220, 400, 19, 6, 80, 5, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + }, { + /* 1080if */ + "1080f", 50, 1920, 1080, 13468, 148, 484, 36, 4, 88, 5, + FB_SYNC_BROADCAST, FB_VMODE_INTERLACED + }, { + /* 1080pf */ + "1080pf", 50, 1920, 1080, 6734, 148, 484, 36, 4, 88, 5, + FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED + } +}; + + +#define HEAD_A +#define HEAD_B + +#define X_OFF(i) (ps3fb_res[i].xoff) /* left/right margin (pixel) */ +#define Y_OFF(i) (ps3fb_res[i].yoff) /* top/bottom margin (pixel) */ +#define WIDTH(i) (ps3fb_res[i].xres) /* width of FB */ +#define HEIGHT(i) (ps3fb_res[i].yres) /* height of FB */ +#define BPP 4 /* number of bytes per pixel */ +#define VP_OFF(i) (WIDTH(i) * Y_OFF(i) * BPP + X_OFF(i) * BPP) +#define FB_OFF(i) (GPU_OFFSET - VP_OFF(i) % GPU_OFFSET) + +static int ps3fb_mode = 0; +module_param(ps3fb_mode, bool, 0); + +static char *mode_option __initdata = NULL; + + +static int ps3fb_get_res_table(u32 xres, u32 yres) +{ + int full_mode; + unsigned int i; + u32 x, y, f; + + full_mode = (ps3fb_mode & PS3FB_FULL_MODE_BIT) ? PS3FB_RES_FULL : 0; + for (i = 0;; i++) { + x = ps3fb_res[i].xres; + y = ps3fb_res[i].yres; + f = ps3fb_res[i].type; + + if (!x) { + DPRINTK("ERROR: ps3fb_get_res_table()\n"); + return -1; + } + + if (full_mode == PS3FB_RES_FULL && f != PS3FB_RES_FULL) + continue; + + if (x == xres && (yres == 0 || y == yres)) + break; + + x = x - 2 * ps3fb_res[i].xoff; + y = y - 2 * ps3fb_res[i].yoff; + if (x == xres && (yres == 0 || y == yres)) + break; + } + return i; +} + +static unsigned int ps3fb_find_mode(const struct fb_var_screeninfo *var, + u32 *line_length) +{ + unsigned int i, mode; + + for (i = 0; i < ARRAY_SIZE(ps3fb_modedb); i++) + if (var->xres == ps3fb_modedb[i].xres && + var->yres == ps3fb_modedb[i].yres && + var->pixclock == ps3fb_modedb[i].pixclock && + var->hsync_len == ps3fb_modedb[i].hsync_len && + var->vsync_len == ps3fb_modedb[i].vsync_len && + var->left_margin == ps3fb_modedb[i].left_margin && + var->right_margin == ps3fb_modedb[i].right_margin && + var->upper_margin == ps3fb_modedb[i].upper_margin && + var->lower_margin == ps3fb_modedb[i].lower_margin && + var->sync == ps3fb_modedb[i].sync && + (var->vmode & FB_VMODE_MASK) == ps3fb_modedb[i].vmode) { + /* Cropped broadcast modes use the full line_length */ + *line_length = + ps3fb_modedb[i < 10 ? i + 13 : i].xres * 4; + /* Full broadcast modes have the full mode bit set */ + mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1; + + DPRINTK("ps3fb_find_mode: mode %u\n", mode); + return mode; + } + + DPRINTK("ps3fb_find_mode: mode not found\n"); + return 0; + +} + +static const struct fb_videomode *ps3fb_default_mode(void) +{ + u32 mode = ps3fb_mode & PS3AV_MODE_MASK; + u32 flags; + + if (mode < 1 || mode > 13) + return NULL; + + flags = ps3fb_mode & ~PS3AV_MODE_MASK; + + if (mode <= 10 && flags & PS3FB_FULL_MODE_BIT) { + /* Full broadcast mode */ + return &ps3fb_modedb[mode + 12]; + } + + return &ps3fb_modedb[mode - 1]; +} + +static int ps3fb_sync(u32 frame) +{ + int i, status; + u32 xres, yres; + u64 fb_ioif, offset; + + i = ps3fb.res_index; + xres = ps3fb_res[i].xres; + yres = ps3fb_res[i].yres; + + if (frame > ps3fb.num_frames - 1) { + printk(KERN_WARNING "%s: invalid frame number (%u)\n", + __FUNCTION__, frame); + return -EINVAL; + } + offset = xres * yres * BPP * frame; + + fb_ioif = GPU_IOIF + FB_OFF(i) + offset; + status = lv1_gpu_context_attribute(ps3fb.context_handle, + L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, + offset, fb_ioif, + L1GPU_FB_BLIT_WAIT_FOR_COMPLETION | + (xres << 16) | yres, + xres * BPP); /* line_length */ + if (status) + printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n", + __FUNCTION__, status); +#ifdef HEAD_A + status = lv1_gpu_context_attribute(ps3fb.context_handle, + L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, + 0, offset, 0, 0); + if (status) + printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n", + __FUNCTION__, status); +#endif +#ifdef HEAD_B + status = lv1_gpu_context_attribute(ps3fb.context_handle, + L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, + 1, offset, 0, 0); + if (status) + printk(KERN_ERR "%s: lv1_gpu_context_attribute FLIP failed: %d\n", + __FUNCTION__, status); +#endif + return 0; +} + + +static int ps3fb_open(struct fb_info *info, int user) +{ + atomic_inc(&ps3fb.f_count); + return 0; +} + +static int ps3fb_release(struct fb_info *info, int user) +{ + if (atomic_dec_and_test(&ps3fb.f_count)) { + if (atomic_read(&ps3fb.ext_flip)) { + atomic_set(&ps3fb.ext_flip, 0); + ps3fb_sync(0); /* single buffer */ + } + } + return 0; +} + + /* + * Setting the video mode has been split into two parts. + * First part, xxxfb_check_var, must not write anything + * to hardware, it should only verify and adjust var. + * This means it doesn't alter par but it does use hardware + * data from it to check this var. + */ + +static int ps3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + u32 line_length; + int mode; + int i; + + DPRINTK("var->xres:%u info->var.xres:%u\n", var->xres, info->var.xres); + DPRINTK("var->yres:%u info->var.yres:%u\n", var->yres, info->var.yres); + + /* FIXME For now we do exact matches only */ + mode = ps3fb_find_mode(var, &line_length); + if (!mode) + return -EINVAL; + + /* + * FB_VMODE_CONUPDATE and FB_VMODE_SMOOTH_XPAN are equal! + * as FB_VMODE_SMOOTH_XPAN is only used internally + */ + + if (var->vmode & FB_VMODE_CONUPDATE) { + var->vmode |= FB_VMODE_YWRAP; + var->xoffset = info->var.xoffset; + var->yoffset = info->var.yoffset; + } + + /* Virtual screen and panning are not supported */ + if (var->xres_virtual > var->xres || var->yres_virtual > var->yres || + var->xoffset || var->yoffset) { + DPRINTK("Virtual screen and panning are not supported\n"); + return -EINVAL; + } + + var->xres_virtual = var->xres; + var->yres_virtual = var->yres; + + /* We support ARGB8888 only */ + if (var->bits_per_pixel > 32 || var->grayscale || + var->red.offset > 16 || var->green.offset > 8 || + var->blue.offset > 0 || var->transp.offset > 24 || + var->red.length > 8 || var->green.length > 8 || + var->blue.length > 8 || var->transp.length > 8 || + var->red.msb_right || var->green.msb_right || + var->blue.msb_right || var->transp.msb_right || var->nonstd) { + DPRINTK("We support ARGB8888 only\n"); + return -EINVAL; + } + + var->bits_per_pixel = 32; + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->transp.offset = 24; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 8; + var->red.msb_right = 0; + var->green.msb_right = 0; + var->blue.msb_right = 0; + var->transp.msb_right = 0; + + /* Rotation is not supported */ + if (var->rotate) { + DPRINTK("Rotation is not supported\n"); + return -EINVAL; + } + + /* Memory limit */ + i = ps3fb_get_res_table(var->xres, var->yres); + if (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP > ps3fb_videomemory.size) { + DPRINTK("Not enough memory\n"); + return -ENOMEM; + } + + var->height = -1; + var->width = -1; + + return 0; +} + + /* + * This routine actually sets the video mode. + */ + +static int ps3fb_set_par(struct fb_info *info) +{ + unsigned int mode; + int i; + unsigned long offset; + static int first = 1; + + DPRINTK("xres:%d xv:%d yres:%d yv:%d clock:%d\n", + info->var.xres, info->var.xres_virtual, + info->var.yres, info->var.yres_virtual, info->var.pixclock); + i = ps3fb_get_res_table(info->var.xres, info->var.yres); + ps3fb.res_index = i; + + mode = ps3fb_find_mode(&info->var, &info->fix.line_length); + if (!mode) + return -EINVAL; + + offset = FB_OFF(i) + VP_OFF(i); + info->fix.smem_len = ps3fb_videomemory.size - offset; + info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset; + memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size); + + ps3fb.num_frames = ps3fb_videomemory.size/ + (ps3fb_res[i].xres*ps3fb_res[i].yres*BPP); + + /* Keep the special bits we cannot set using fb_var_screeninfo */ + ps3fb_mode = (ps3fb_mode & ~PS3AV_MODE_MASK) | mode; + + if (ps3av_set_video_mode(ps3fb_mode, first)) + return -EINVAL; + + first = 0; + return 0; +} + + /* + * Set a single color register. The values supplied are already + * rounded down to the hardware's capabilities (according to the + * entries in the var structure). Return != 0 for invalid regno. + */ + +static int ps3fb_setcolreg(unsigned int regno, unsigned int red, + unsigned int green, unsigned int blue, + unsigned int transp, struct fb_info *info) +{ + if (regno >= 16) + return 1; + + red >>= 8; + green >>= 8; + blue >>= 8; + transp >>= 8; + + ((u32 *)info->pseudo_palette)[regno] = transp << 24 | red << 16 | + green << 8 | blue; + return 0; +} + + /* + * As we have a virtual frame buffer, we need our own mmap function + */ + +static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma) +{ + unsigned long size, offset; + int i; + + i = ps3fb_get_res_table(info->var.xres, info->var.yres); + if (i == -1) + return -EINVAL; + + size = vma->vm_end - vma->vm_start; + offset = vma->vm_pgoff << PAGE_SHIFT; + if (offset + size > info->fix.smem_len) + return -EINVAL; + + offset += info->fix.smem_start + FB_OFF(i) + VP_OFF(i); + if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, + size, vma->vm_page_prot)) + return -EAGAIN; + + printk(KERN_DEBUG "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n", offset, + vma->vm_start); + return 0; +} + + /* + * Blank the display + */ + +static int ps3fb_blank(int blank, struct fb_info *info) +{ + int retval; + + DPRINTK("%s: blank:%d\n", __FUNCTION__, blank); + switch (blank) { + case FB_BLANK_POWERDOWN: + case FB_BLANK_HSYNC_SUSPEND: + case FB_BLANK_VSYNC_SUSPEND: + case FB_BLANK_NORMAL: + retval = ps3av_video_mute(1); /* mute on */ + if (!retval) + ps3fb.is_blanked = 1; + break; + + default: /* unblank */ + retval = ps3av_video_mute(0); /* mute off */ + if (!retval) + ps3fb.is_blanked = 0; + break; + } + return retval; +} + +static int ps3fb_get_vblank(struct fb_vblank *vblank) +{ + memset(vblank, 0, sizeof(&vblank)); + vblank->flags = FB_VBLANK_HAVE_VSYNC; + return 0; +} + +int ps3fb_wait_for_vsync(u32 crtc) +{ + int ret; + u64 count; + + count = ps3fb.vblank_count; + ret = wait_event_interruptible_timeout(ps3fb.wait_vsync, + count != ps3fb.vblank_count, + HZ / 10); + if (!ret) + return -ETIMEDOUT; + + return 0; +} + +EXPORT_SYMBOL_GPL(ps3fb_wait_for_vsync); + +void ps3fb_flip_ctl(int on) +{ + if (on) { + if (atomic_read(&ps3fb.ext_flip) > 0) { + atomic_dec(&ps3fb.ext_flip); + } + } else { + atomic_inc(&ps3fb.ext_flip); + } +} + +EXPORT_SYMBOL_GPL(ps3fb_flip_ctl); + + /* + * ioctl + */ + +static int ps3fb_ioctl(struct fb_info *info, unsigned int cmd, + unsigned long arg) +{ + void __user *argp = (void __user *)arg; + u32 val, old_mode; + int retval = -EFAULT; + + switch (cmd) { + case FBIOGET_VBLANK: + { + struct fb_vblank vblank; + DPRINTK("FBIOGET_VBLANK:\n"); + retval = ps3fb_get_vblank(&vblank); + if (retval) + break; + + if (copy_to_user(argp, &vblank, sizeof(vblank))) + retval = -EFAULT; + break; + } + + case FBIO_WAITFORVSYNC: + { + u32 crt; + DPRINTK("FBIO_WAITFORVSYNC:\n"); + if (get_user(crt, (u32 __user *) arg)) + break; + + retval = ps3fb_wait_for_vsync(crt); + break; + } + + case PS3FB_IOCTL_SETMODE: + { + const struct fb_videomode *mode; + struct fb_var_screeninfo var; + + if (copy_from_user(&val, argp, sizeof(val))) + break; + + DPRINTK("PS3FB_IOCTL_SETMODE:%x\n", val); + retval = -EINVAL; + old_mode = ps3fb_mode; + ps3fb_mode = val; + mode = ps3fb_default_mode(); + if (mode) { + var = info->var; + fb_videomode_to_var(&var, mode); + acquire_console_sem(); + info->flags |= FBINFO_MISC_USEREVENT; + /* Force, in case only special bits changed */ + var.activate |= FB_ACTIVATE_FORCE; + retval = fb_set_var(info, &var); + info->flags &= ~FBINFO_MISC_USEREVENT; + release_console_sem(); + } + if (retval) + ps3fb_mode = old_mode; + break; + } + + case PS3FB_IOCTL_GETMODE: + val = ps3av_get_mode(); + DPRINTK("PS3FB_IOCTL_GETMODE:%x\n", val); + if (!copy_to_user(argp, &val, sizeof(val))) + retval = 0; + break; + + case PS3FB_IOCTL_SCREENINFO: + { + struct ps3fb_ioctl_res res; + int i = ps3fb.res_index; + DPRINTK("PS3FB_IOCTL_SCREENINFO:\n"); + res.xres = ps3fb_res[i].xres; + res.yres = ps3fb_res[i].yres; + res.xoff = ps3fb_res[i].xoff; + res.yoff = ps3fb_res[i].yoff; + res.num_frames = ps3fb.num_frames; + if (!copy_to_user(argp, &res, sizeof(res))) + retval = 0; + break; + } + + case PS3FB_IOCTL_ON: + DPRINTK("PS3FB_IOCTL_ON:\n"); + atomic_inc(&ps3fb.ext_flip); + retval = 0; + break; + + case PS3FB_IOCTL_OFF: + DPRINTK("PS3FB_IOCTL_OFF:\n"); + if (atomic_read(&ps3fb.ext_flip) > 0) + atomic_dec(&ps3fb.ext_flip); + retval = 0; + break; + + case PS3FB_IOCTL_FSEL: + if (copy_from_user(&val, argp, sizeof(val))) + break; + + DPRINTK("PS3FB_IOCTL_FSEL:%d\n", val); + retval = ps3fb_sync(val); + break; + + default: + retval = -ENOIOCTLCMD; + break; + } + return retval; +} + +static int ps3fbd(void *arg) +{ + daemonize("ps3fbd"); + for (;;) { + down(&ps3fb.sem); + if (atomic_read(&ps3fb.ext_flip) == 0) + ps3fb_sync(0); /* single buffer */ + } + return 0; +} + +static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr) +{ + u64 v1; + int status; + struct display_head *head = &ps3fb.dinfo->display_head[1]; + + status = lv1_gpu_context_intr(ps3fb.context_handle, &v1); + if (status) { + printk(KERN_ERR "%s: lv1_gpu_context_intr failed: %d\n", + __FUNCTION__, status); + return IRQ_NONE; + } + + if (v1 & (1 << GPU_INTR_STATUS_VSYNC_1)) { + /* VSYNC */ + ps3fb.vblank_count = head->vblank_count; + if (!ps3fb.is_blanked) + up(&ps3fb.sem); + wake_up_interruptible(&ps3fb.wait_vsync); + } + + return IRQ_HANDLED; +} + +#ifndef MODULE +static int __init ps3fb_setup(char *options) +{ + char *this_opt; + int mode = 0; + + if (!options || !*options) + return 0; /* no options */ + + while ((this_opt = strsep(&options, ",")) != NULL) { + if (!*this_opt) + continue; + if (!strncmp(this_opt, "mode:", 5)) + mode = simple_strtoul(this_opt + 5, NULL, 0); + else + mode_option = this_opt; + } + return mode; +} +#endif /* MODULE */ + + /* + * Initialisation + */ + +static void ps3fb_platform_release(struct device *device) +{ + /* This is called when the reference count goes to zero. */ +} + +static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, void *dev) +{ + int error; + + DPRINTK("version_driver:%x\n", dinfo->version_driver); + DPRINTK("irq outlet:%x\n", dinfo->irq.irq_outlet); + DPRINTK("version_gpu:%x memory_size:%x ch:%x core_freq:%d mem_freq:%d\n", + dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel, + dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000); + + if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) { + printk(KERN_ERR "%s: version_driver err:%x\n", __FUNCTION__, + dinfo->version_driver); + return -EINVAL; + } + + ps3fb.dev = dev; + error = ps3_alloc_irq(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, + &ps3fb.irq_no); + if (error) { + printk(KERN_ERR "%s: ps3_alloc_irq failed %d\n", __FUNCTION__, + error); + return error; + } + + error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED, + "ps3fb vsync", ps3fb.dev); + if (error) { + printk(KERN_ERR "%s: request_irq failed %d\n", __FUNCTION__, + error); + ps3_free_irq(ps3fb.irq_no); + return error; + } + + dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) | + (1 << GPU_INTR_STATUS_FLIP_1); + return 0; +} + +static int ps3fb_xdr_settings(u64 xdr_lpar) +{ + int status; + + status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, + xdr_lpar, ps3fb_videomemory.size, 0); + if (status) { + printk(KERN_ERR "%s: lv1_gpu_context_iomap failed: %d\n", + __FUNCTION__, status); + return -ENXIO; + } + DPRINTK("video:%p xdr_ea:%p ioif:%lx lpar:%lx phys:%lx size:%lx\n", + ps3fb_videomemory.address, ps3fb.xdr_ea, GPU_IOIF, xdr_lpar, + virt_to_abs(ps3fb.xdr_ea), ps3fb_videomemory.size); + + status = lv1_gpu_context_attribute(ps3fb.context_handle, + L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP, + xdr_lpar, ps3fb_videomemory.size, + GPU_IOIF, 0); + if (status) { + printk(KERN_ERR "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n", + __FUNCTION__, status); + return -ENXIO; + } + return 0; +} + +static struct fb_ops ps3fb_ops = { + .fb_open = ps3fb_open, + .fb_release = ps3fb_release, + .fb_check_var = ps3fb_check_var, + .fb_set_par = ps3fb_set_par, + .fb_setcolreg = ps3fb_setcolreg, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, + .fb_mmap = ps3fb_mmap, + .fb_blank = ps3fb_blank, + .fb_ioctl = ps3fb_ioctl, + .fb_compat_ioctl = ps3fb_ioctl +}; + +static struct fb_fix_screeninfo ps3fb_fix __initdata = { + .id = "PS3 FB", + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_TRUECOLOR, + .accel = FB_ACCEL_NONE, +}; + +static int __init ps3fb_probe(struct platform_device *dev) +{ + struct fb_info *info; + int retval = -ENOMEM; + u64 ddr_lpar = 0; + u64 lpar_dma_control = 0; + u64 lpar_driver_info = 0; + u64 lpar_reports = 0; + u64 lpar_reports_size = 0; + u64 xdr_lpar; + int status; + unsigned long offset; + + /* get gpu context handle */ + status = lv1_gpu_memory_allocate(DDR_SIZE, 0, 0, 0, 0, + &ps3fb.memory_handle, &ddr_lpar); + if (status) { + printk(KERN_ERR "%s: lv1_gpu_memory_allocate failed: %d\n", + __FUNCTION__, status); + goto err; + } + DPRINTK("ddr:lpar:0x%lx\n", ddr_lpar); + + status = lv1_gpu_context_allocate(ps3fb.memory_handle, 0, + &ps3fb.context_handle, + &lpar_dma_control, &lpar_driver_info, + &lpar_reports, &lpar_reports_size); + if (status) { + printk(KERN_ERR "%s: lv1_gpu_context_attribute failed: %d\n", + __FUNCTION__, status); + goto err_gpu_memory_free; + } + + /* vsync interrupt */ + ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024); + if (!ps3fb.dinfo) { + printk(KERN_ERR "%s: ioremap failed\n", __FUNCTION__); + goto err_gpu_context_free; + } + + retval = ps3fb_vsync_settings(ps3fb.dinfo, dev); + if (retval) + goto err_iounmap_dinfo; + + /* xdr frame buffer */ + ps3fb.xdr_ea = ps3fb_videomemory.address; + xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb.xdr_ea)); + retval = ps3fb_xdr_settings(xdr_lpar); + if (retval) + goto err_free_irq; + + /* + * ps3fb must clear memory to prevent kernel info + * leakage into userspace + */ + memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size); + info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev); + if (!info) + goto err_free_irq; + + offset = FB_OFF(ps3fb.res_index) + VP_OFF(ps3fb.res_index); + info->screen_base = (char __iomem *)ps3fb.xdr_ea + offset; + info->fbops = &ps3fb_ops; + + info->fix = ps3fb_fix; + info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea); + info->fix.smem_len = ps3fb_videomemory.size - offset; + info->pseudo_palette = info->par; + info->par = NULL; + info->flags = FBINFO_FLAG_DEFAULT; + + retval = fb_alloc_cmap(&info->cmap, 256, 0); + if (retval < 0) + goto err_framebuffer_release; + + if (!fb_find_mode(&info->var, info, mode_option, ps3fb_modedb, + ARRAY_SIZE(ps3fb_modedb), ps3fb_default_mode(), 32)) { + retval = -EINVAL; + goto err_fb_dealloc; + } + + fb_videomode_to_modelist(ps3fb_modedb, ARRAY_SIZE(ps3fb_modedb), + &info->modelist); + + retval = register_framebuffer(info); + if (retval < 0) + goto err_fb_dealloc; + + platform_set_drvdata(dev, info); + + printk(KERN_INFO + "fb%d: PS3 frame buffer device, using %ld KiB of video memory\n", + info->node, ps3fb_videomemory.size >> 10); + + kernel_thread(ps3fbd, info, CLONE_KERNEL); + return 0; + +err_fb_dealloc: + fb_dealloc_cmap(&info->cmap); +err_framebuffer_release: + framebuffer_release(info); +err_free_irq: + free_irq(ps3fb.irq_no, ps3fb.dev); + ps3_free_irq(ps3fb.irq_no); +err_iounmap_dinfo: + iounmap((u8 __iomem *)ps3fb.dinfo); +err_gpu_context_free: + lv1_gpu_context_free(ps3fb.context_handle); +err_gpu_memory_free: + lv1_gpu_memory_free(ps3fb.memory_handle); +err: + return retval; +} + +static void ps3fb_shutdown(struct platform_device *dev) +{ + ps3fb_flip_ctl(0); /* flip off */ + ps3fb.dinfo->irq.mask = 0; + free_irq(ps3fb.irq_no, ps3fb.dev); + ps3_free_irq(ps3fb.irq_no); + iounmap((u8 __iomem *)ps3fb.dinfo); +} + +void ps3fb_cleanup(void) +{ + int status; + + if (ps3fb.irq_no) { + free_irq(ps3fb.irq_no, ps3fb.dev); + ps3_free_irq(ps3fb.irq_no); + } + iounmap((u8 __iomem *)ps3fb.dinfo); + + status = lv1_gpu_context_free(ps3fb.context_handle); + if (status) + DPRINTK("lv1_gpu_context_free failed: %d\n", status); + + status = lv1_gpu_memory_free(ps3fb.memory_handle); + if (status) + DPRINTK("lv1_gpu_memory_free failed: %d\n", status); + + ps3av_dev_close(); +} + +EXPORT_SYMBOL_GPL(ps3fb_cleanup); + +static int ps3fb_remove(struct platform_device *dev) +{ + struct fb_info *info = platform_get_drvdata(dev); + + if (info) { + unregister_framebuffer(info); + fb_dealloc_cmap(&info->cmap); + framebuffer_release(info); + } + ps3fb_cleanup(); + return 0; +} + +static struct platform_driver ps3fb_driver = { + .probe = ps3fb_probe, + .remove = ps3fb_remove, + .shutdown = ps3fb_shutdown, + .driver = { .name = "ps3fb" } +}; + +static struct platform_device ps3fb_device = { + .name = "ps3fb", + .id = 0, + .dev = { .release = ps3fb_platform_release } +}; + +int ps3fb_set_sync(void) +{ + int status; + +#ifdef HEAD_A + status = lv1_gpu_context_attribute(0x0, + L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC, + 0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0); + if (status) { + printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: %d\n", + __FUNCTION__, status); + return -1; + } +#endif +#ifdef HEAD_B + status = lv1_gpu_context_attribute(0x0, + L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC, + 1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0); + + if (status) { + printk(KERN_ERR "%s: lv1_gpu_context_attribute DISPLAY_MODE failed: %d\n", + __FUNCTION__, status); + return -1; + } +#endif + return 0; +} + +EXPORT_SYMBOL_GPL(ps3fb_set_sync); + +static int __init ps3fb_init(void) +{ + int error; +#ifndef MODULE + int mode; + char *option = NULL; + + if (fb_get_options("ps3fb", &option)) + goto err; +#endif + + if (!ps3fb_videomemory.address) + goto err; + + error = ps3av_dev_open(); + if (error) { + printk(KERN_ERR "%s: ps3av_dev_open failed\n", __FUNCTION__); + goto err; + } + + ps3fb_mode = ps3av_get_mode(); + DPRINTK("ps3av_mode:%d\n", ps3fb_mode); +#ifndef MODULE + mode = ps3fb_setup(option); /* check boot option */ + if (mode) + ps3fb_mode = mode; +#endif + if (ps3fb_mode > 0) { + u32 xres, yres; + ps3av_video_mode2res(ps3fb_mode, &xres, &yres); + ps3fb.res_index = ps3fb_get_res_table(xres, yres); + DPRINTK("res_index:%d\n", ps3fb.res_index); + } else + ps3fb.res_index = GPU_RES_INDEX; + + atomic_set(&ps3fb.f_count, -1); /* fbcon opens ps3fb */ + atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */ + init_MUTEX(&ps3fb.sem); + init_waitqueue_head(&ps3fb.wait_vsync); + ps3fb.num_frames = 1; + + error = platform_driver_register(&ps3fb_driver); + if (!error) { + error = platform_device_register(&ps3fb_device); + if (error) + platform_driver_unregister(&ps3fb_driver); + } + + ps3fb_set_sync(); + + return error; + +err: + return -ENXIO; +} + +module_init(ps3fb_init); + +#ifdef MODULE +static void __exit ps3fb_exit(void) +{ + platform_device_unregister(&ps3fb_device); + platform_driver_unregister(&ps3fb_driver); +} + +module_exit(ps3fb_exit); + +MODULE_LICENSE("GPL"); +#endif /* MODULE */ |