renesas/drm.git - libdrm, cloned from git://anongit.freedesktop.org/mesa/drm

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author	Eric Anholt <anholt@freebsd.org>	2005-12-02 08:47:04 +0000
committer	Eric Anholt <anholt@freebsd.org>	2005-12-02 08:47:04 +0000
commit	422002dc8434061729b1558ac846648041c46ab3 (patch)
tree	2a11380d9c06a5e668c2057aa38635e78c561f97 /linux-core
parent	7d735a8c9fde5fe4401067791926bdae16473587 (diff)

FreeBSD PR kern/85479: Restore the enabling of debugging by default by the

DRM_DEBUG kernel option. It remains controlled by hw.dri.*.debug no matter what.

Diffstat (limited to 'linux-core')

0 files changed, 0 insertions, 0 deletions

/* * Copyright © 2007 David Airlie * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * David Airlie */ /* * Modularization */ #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/delay.h> #include <linux/fb.h> #include <linux/init.h> #include "drmP.h" struct drmfb_par { struct drm_device *dev; struct drm_framebuffer *fb; }; static int drmfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *info) { struct drmfb_par *par = info->par; struct drm_framebuffer *fb = par->fb; if (regno > 17) return 1; if (regno < 16) { switch (fb->depth) { case 15: fb->pseudo_palette[regno] = ((red & 0xf800) >> 1) | ((green & 0xf800) >> 6) | ((blue & 0xf800) >> 11); break; case 16: fb->pseudo_palette[regno] = (red & 0xf800) | ((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11); break; case 24: case 32: fb->pseudo_palette[regno] = ((red & 0xff00) << 8) | (green & 0xff00) | ((blue & 0xff00) >> 8); break; } } return 0; } /* this will let fbcon do the mode init */ static int drmfb_set_par(struct fb_info *info) { struct drmfb_par *par = info->par; struct drm_device *dev = par->dev; drm_set_desired_modes(dev); return 0; } static struct fb_ops drmfb_ops = { .owner = THIS_MODULE, // .fb_open = drmfb_open, // .fb_read = drmfb_read, // .fb_write = drmfb_write, // .fb_release = drmfb_release, // .fb_ioctl = drmfb_ioctl, .fb_set_par = drmfb_set_par, .fb_setcolreg = drmfb_setcolreg, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, }; int drmfb_probe(struct drm_device *dev, struct drm_framebuffer *fb) { struct fb_info *info; struct drmfb_par *par; struct device *device = &dev->pdev->dev; struct fb_var_screeninfo *var_info; unsigned long base, size; int ret; info = framebuffer_alloc(sizeof(struct drmfb_par), device); if (!info){ return -EINVAL; } fb->fbdev = info; par = info->par; par->dev = dev; par->fb = fb; info->fbops = &drmfb_ops; strcpy(info->fix.id, "drmfb"); info->fix.smem_start = fb->offset + dev->mode_config.fb_base; info->fix.smem_len = (8*1024*1024); info->fix.type = FB_TYPE_PACKED_PIXELS; info->fix.visual = FB_VISUAL_DIRECTCOLOR; info->fix.accel = FB_ACCEL_NONE; info->fix.type_aux = 0; info->fix.mmio_start = 0; info->fix.mmio_len = 0; info->fix.line_length = fb->pitch * ((fb->bits_per_pixel + 1) / 8); info->flags = FBINFO_DEFAULT; ret = drm_mem_reg_ioremap(dev, &fb->bo->mem, &fb->virtual_base); if (ret) DRM_ERROR("error mapping fb: %d\n", ret); info->screen_base = fb->virtual_base; info->screen_size = size; info->pseudo_palette = fb->pseudo_palette; info->var.xres = fb->width; info->var.xres_virtual = fb->pitch; info->var.yres = fb->height; info->var.yres_virtual = fb->height; info->var.bits_per_pixel = fb->bits_per_pixel; info->var.xoffset = 0; info->var.yoffset = 0; info->var.activate = FB_ACTIVATE_NOW; info->var.height = -1; info->var.width = -1; info->var.vmode = FB_VMODE_NONINTERLACED; DRM_DEBUG("fb depth is %d\n", fb->depth); switch(fb->depth) { case 8: case 15: case 16: break; default: case 24: case 32: info->var.red.offset = 16; info->var.green.offset = 8; info->var.blue.offset = 0; info->var.red.length = info->var.green.length = info->var.blue.length = 8; if (fb->depth == 32) { info->var.transp.offset = 24; info->var.transp.length = 8; } break; } if (register_framebuffer(info) < 0) return -EINVAL; printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id); return 0; } EXPORT_SYMBOL(drmfb_probe); int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) { struct fb_info *info = fb->fbdev; if (info) { drm_mem_reg_iounmap(dev, &fb->bo->mem, fb->virtual_base); unregister_framebuffer(info); framebuffer_release(info); } return 0; } EXPORT_SYMBOL(drmfb_remove); MODULE_LICENSE("GPL");


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