diff options
Diffstat (limited to 'drivers/video/ps3fb.c')
| -rw-r--r-- | drivers/video/ps3fb.c | 1311 |
1 files changed, 0 insertions, 1311 deletions
diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c deleted file mode 100644 index b3463ddcfd6..00000000000 --- a/drivers/video/ps3fb.c +++ /dev/null @@ -1,1311 +0,0 @@ -/* - * 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/interrupt.h> -#include <linux/console.h> -#include <linux/ioctl.h> -#include <linux/kthread.h> -#include <linux/freezer.h> -#include <linux/uaccess.h> -#include <linux/fb.h> -#include <linux/init.h> - -#include <asm/abs_addr.h> -#include <asm/lv1call.h> -#include <asm/ps3av.h> -#include <asm/ps3fb.h> -#include <asm/ps3.h> - - -#define DEVICE_NAME "ps3fb" - -#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_CMD_BUF_SIZE (64 * 1024) -#define GPU_IOIF (0x0d000000UL) -#define GPU_ALIGN_UP(x) _ALIGN_UP((x), 64) -#define GPU_MAX_LINE_LENGTH (65536 - 64) - -#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; - - u64 context_handle, memory_handle; - void *xdr_ea; - size_t xdr_size; - struct gpu_driver_info *dinfo; - - u64 vblank_count; /* frame count */ - wait_queue_head_t wait_vsync; - - atomic_t ext_flip; /* on/off flip with vsync */ - atomic_t f_count; /* fb_open count */ - int is_blanked; - int is_kicked; - struct task_struct *task; -}; -static struct ps3fb_priv ps3fb; - -struct ps3fb_par { - u32 pseudo_palette[16]; - int mode_id, new_mode_id; - int res_index; - unsigned int num_frames; /* num of frame buffers */ - unsigned int width; - unsigned int height; - unsigned long full_offset; /* start of fullscreen DDR fb */ - unsigned long fb_offset; /* start of actual DDR fb */ - unsigned long pan_offset; -}; - -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 */ - -/* Start of the virtual frame buffer (relative to fullscreen ) */ -#define VP_OFF(i) ((WIDTH(i) * Y_OFF(i) + X_OFF(i)) * BPP) - - -static int ps3fb_mode; -module_param(ps3fb_mode, int, 0); - -static char *mode_option __devinitdata; - -static int ps3fb_get_res_table(u32 xres, u32 yres, int mode) -{ - int full_mode; - unsigned int i; - u32 x, y, f; - - full_mode = (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) { - pr_debug("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 *ddr_line_length, u32 *xdr_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) - goto found; - - pr_debug("ps3fb_find_mode: mode not found\n"); - return 0; - -found: - /* Cropped broadcast modes use the full line length */ - *ddr_line_length = ps3fb_modedb[i < 10 ? i + 13 : i].xres * BPP; - - if (ps3_compare_firmware_version(1, 9, 0) >= 0) { - *xdr_line_length = GPU_ALIGN_UP(max(var->xres, - var->xres_virtual) * BPP); - if (*xdr_line_length > GPU_MAX_LINE_LENGTH) - *xdr_line_length = GPU_MAX_LINE_LENGTH; - } else - *xdr_line_length = *ddr_line_length; - - /* Full broadcast modes have the full mode bit set */ - mode = i > 12 ? (i - 12) | PS3FB_FULL_MODE_BIT : i + 1; - - pr_debug("ps3fb_find_mode: mode %u\n", mode); - - return mode; -} - -static const struct fb_videomode *ps3fb_default_mode(int id) -{ - u32 mode = id & PS3AV_MODE_MASK; - u32 flags; - - if (mode < 1 || mode > 13) - return NULL; - - flags = id & ~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 void ps3fb_sync_image(struct device *dev, u64 frame_offset, - u64 dst_offset, u64 src_offset, u32 width, - u32 height, u32 dst_line_length, - u32 src_line_length) -{ - int status; - u64 line_length; - - line_length = dst_line_length; - if (src_line_length != dst_line_length) - line_length |= (u64)src_line_length << 32; - - status = lv1_gpu_context_attribute(ps3fb.context_handle, - L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, - dst_offset, GPU_IOIF + src_offset, - L1GPU_FB_BLIT_WAIT_FOR_COMPLETION | - (width << 16) | height, - line_length); - if (status) - dev_err(dev, - "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n", - __func__, status); -#ifdef HEAD_A - status = lv1_gpu_context_attribute(ps3fb.context_handle, - L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, - 0, frame_offset, 0, 0); - if (status) - dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n", - __func__, status); -#endif -#ifdef HEAD_B - status = lv1_gpu_context_attribute(ps3fb.context_handle, - L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, - 1, frame_offset, 0, 0); - if (status) - dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n", - __func__, status); -#endif -} - -static int ps3fb_sync(struct fb_info *info, u32 frame) -{ - struct ps3fb_par *par = info->par; - int i, error = 0; - u32 ddr_line_length, xdr_line_length; - u64 ddr_base, xdr_base; - - acquire_console_sem(); - - if (frame > par->num_frames - 1) { - dev_dbg(info->device, "%s: invalid frame number (%u)\n", - __func__, frame); - error = -EINVAL; - goto out; - } - - i = par->res_index; - xdr_line_length = info->fix.line_length; - ddr_line_length = ps3fb_res[i].xres * BPP; - xdr_base = frame * info->var.yres_virtual * xdr_line_length; - ddr_base = frame * ps3fb_res[i].yres * ddr_line_length; - - ps3fb_sync_image(info->device, ddr_base + par->full_offset, - ddr_base + par->fb_offset, xdr_base + par->pan_offset, - par->width, par->height, ddr_line_length, - xdr_line_length); - -out: - release_console_sem(); - return error; -} - -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(info, 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 xdr_line_length, ddr_line_length; - int mode; - - dev_dbg(info->device, "var->xres:%u info->var.xres:%u\n", var->xres, - info->var.xres); - dev_dbg(info->device, "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, &ddr_line_length, &xdr_line_length); - if (!mode) - return -EINVAL; - - /* Virtual screen */ - if (var->xres_virtual < var->xres) - var->xres_virtual = var->xres; - if (var->yres_virtual < var->yres) - var->yres_virtual = var->yres; - - 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 > ps3fb.xdr_size) { - 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; - int i; - unsigned long offset; - u64 dst; - - dev_dbg(info->device, "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); - - mode = ps3fb_find_mode(&info->var, &ddr_line_length, &xdr_line_length); - if (!mode) - return -EINVAL; - - i = ps3fb_get_res_table(info->var.xres, info->var.yres, mode); - par->res_index = i; - - info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea); - info->fix.smem_len = ps3fb.xdr_size; - 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; - - info->screen_base = (char __iomem *)ps3fb.xdr_ea; - - par->num_frames = ps3fb.xdr_size / - max(ps3fb_res[i].yres * ddr_line_length, - info->var.yres_virtual * xdr_line_length); - - /* 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; - offset = VP_OFF(i); - 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(ps3fb.xdr_ea, 0, ps3fb.xdr_size); - - /* Clear DDR frame buffer memory */ - lines = ps3fb_res[i].yres * par->num_frames; - if (par->full_offset) - lines++; - maxlines = ps3fb.xdr_size / 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, ps3fb_res[i].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) -{ - unsigned long size, offset; - - 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; - if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, - size, vma->vm_page_prot)) - return -EAGAIN; - - dev_dbg(info->device, "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; - - 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; -} - -static void ps3fb_flip_ctl(int on, void *data) -{ - struct ps3fb_priv *priv = data; - if (on) - atomic_dec_if_positive(&priv->ext_flip); - else - atomic_inc(&priv->ext_flip); -} - - - /* - * 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 *mode; - 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; - mode = ps3fb_default_mode(val); - 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; - par->new_mode_id = val; - retval = fb_set_var(info, &var); - info->flags &= ~FBINFO_MISC_USEREVENT; - release_console_sem(); - } - 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); - retval = ps3fb_sync(info, val); - 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; - ps3fb_sync(info, 0); /* single buffer */ - } - 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 int ps3fb_vsync_settings(struct gpu_driver_info *dinfo, - struct device *dev) -{ - int error; - - dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver); - dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet); - dev_dbg(dev, - "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, "%s: version_driver err:%x\n", __func__, - dinfo->version_driver); - return -EINVAL; - } - - error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet, - &ps3fb.irq_no); - if (error) { - dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error); - return error; - } - - error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED, - DEVICE_NAME, dev); - if (error) { - dev_err(dev, "%s: request_irq failed %d\n", __func__, error); - ps3_irq_plug_destroy(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, struct device *dev) -{ - int status; - - status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, - xdr_lpar, ps3fb_videomemory.size, 0); - if (status) { - dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n", - __func__, status); - return -ENXIO; - } - dev_dbg(dev, - "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.xdr_size, - GPU_CMD_BUF_SIZE, - GPU_IOIF + ps3fb.xdr_size, 0); - if (status) { - dev_err(dev, - "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n", - __func__, status); - return -ENXIO; - } - return 0; -} - -static 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 struct fb_fix_screeninfo ps3fb_fix __initdata = { - .id = DEVICE_NAME, - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_TRUECOLOR, - .accel = FB_ACCEL_NONE, -}; - -static int ps3fb_set_sync(struct device *dev) -{ - 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) { - dev_err(dev, - "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: " - "%d\n", - __func__, 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) { - dev_err(dev, - "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: " - "%d\n", - __func__, status); - return -1; - } -#endif - return 0; -} - -static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev) -{ - struct fb_info *info; - struct ps3fb_par *par; - int retval = -ENOMEM; - u32 xres, yres; - 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, res_index; - struct task_struct *task; - - status = ps3_open_hv_device(dev); - if (status) { - 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, "ps3av_mode:%d\n", ps3fb_mode); - - if (ps3fb_mode > 0 && - !ps3av_video_mode2res(ps3fb_mode, &xres, &yres)) { - res_index = ps3fb_get_res_table(xres, yres, ps3fb_mode); - dev_dbg(&dev->core, "res_index:%d\n", res_index); - } else - 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_waitqueue_head(&ps3fb.wait_vsync); - - ps3fb_set_sync(&dev->core); - - /* get gpu context handle */ - status = lv1_gpu_memory_allocate(DDR_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); - goto err; - } - dev_dbg(&dev->core, "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) { - dev_err(&dev->core, - "%s: lv1_gpu_context_attribute failed: %d\n", __func__, - status); - goto err_gpu_memory_free; - } - - /* vsync interrupt */ - ps3fb.dinfo = ioremap(lpar_driver_info, 128 * 1024); - if (!ps3fb.dinfo) { - dev_err(&dev->core, "%s: ioremap failed\n", __func__); - goto err_gpu_context_free; - } - - retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core); - 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)); - - /* Clear memory to prevent kernel info leakage into userspace */ - memset(ps3fb.xdr_ea, 0, ps3fb_videomemory.size); - - /* The GPU command buffer is at the end of video memory */ - ps3fb.xdr_size = ps3fb_videomemory.size - GPU_CMD_BUF_SIZE; - - retval = ps3fb_xdr_settings(xdr_lpar, &dev->core); - if (retval) - goto err_free_irq; - - info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core); - if (!info) - goto err_free_irq; - - par = info->par; - par->mode_id = ~ps3fb_mode; /* != ps3fb_mode, to trigger change */ - par->new_mode_id = ps3fb_mode; - par->res_index = res_index; - par->num_frames = 1; - - info->screen_base = (char __iomem *)ps3fb.xdr_ea; - info->fbops = &ps3fb_ops; - - info->fix = ps3fb_fix; - info->fix.smem_start = virt_to_abs(ps3fb.xdr_ea); - info->fix.smem_len = ps3fb.xdr_size; - 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_default_mode(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; - - dev->core.driver_data = info; - - dev_info(info->device, "%s %s, using %lu KiB of video memory\n", - dev_driver_string(info->dev), info->dev->bus_id, - ps3fb.xdr_size >> 10); - - task = kthread_run(ps3fbd, info, DEVICE_NAME); - if (IS_ERR(task)) { - retval = PTR_ERR(task); - goto err_unregister_framebuffer; - } - - ps3fb.task = task; - ps3av_register_flip_ctl(ps3fb_flip_ctl, &ps3fb); - - return 0; - -err_unregister_framebuffer: - unregister_framebuffer(info); -err_fb_dealloc: - fb_dealloc_cmap(&info->cmap); -err_framebuffer_release: - framebuffer_release(info); -err_free_irq: - free_irq(ps3fb.irq_no, dev); - ps3_irq_plug_destroy(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 int ps3fb_shutdown(struct ps3_system_bus_device *dev) -{ - int status; - struct fb_info *info = dev->core.driver_data; - - dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__); - - ps3fb_flip_ctl(0, &ps3fb); /* flip off */ - ps3fb.dinfo->irq.mask = 0; - - if (info) { - unregister_framebuffer(info); - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } - - ps3av_register_flip_ctl(NULL, NULL); - 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); - ps3_irq_plug_destroy(ps3fb.irq_no); - } - iounmap((u8 __iomem *)ps3fb.dinfo); - - status = lv1_gpu_context_free(ps3fb.context_handle); - if (status) - dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n", - status); - - status = lv1_gpu_memory_free(ps3fb.memory_handle); - if (status) - dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n", - status); - - ps3_close_hv_device(dev); - dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); - - return 0; -} - -static struct ps3_system_bus_driver ps3fb_driver = { - .match_id = PS3_MATCH_ID_GRAPHICS, - .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_GRAPHICS); |