2009-07-05 13:51:42 +04:00
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/*
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* Copyright © 2007 David Airlie
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* David Airlie
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*/
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/*
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* Modularization
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*/
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2009-09-26 18:08:05 +04:00
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#include <linux/module.h>
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#include <linux/fb.h>
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2009-07-05 13:51:42 +04:00
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#include "drmP.h"
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#include "drm.h"
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#include "drm_crtc.h"
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#include "drm_crtc_helper.h"
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#include "radeon_drm.h"
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#include "radeon.h"
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2009-09-26 18:08:05 +04:00
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#include "drm_fb_helper.h"
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2009-07-05 13:51:42 +04:00
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#include <drm_mm.h>
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#include "radeon_object.h"
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2009-10-25 01:42:25 +04:00
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2009-10-21 13:33:33 +04:00
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struct fb_info *framebuffer_alloc(size_t size, void *dev);
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2009-07-05 13:51:42 +04:00
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struct radeon_fb_device {
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2009-09-26 18:08:05 +04:00
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struct drm_fb_helper helper;
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2009-07-05 13:51:42 +04:00
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struct radeon_framebuffer *rfb;
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2009-09-26 18:08:05 +04:00
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struct radeon_device *rdev;
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2009-07-05 13:51:42 +04:00
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};
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static struct fb_ops radeonfb_ops = {
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2009-09-26 18:08:05 +04:00
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// .owner = THIS_MODULE,
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.fb_check_var = drm_fb_helper_check_var,
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.fb_set_par = drm_fb_helper_set_par,
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.fb_setcolreg = drm_fb_helper_setcolreg,
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// .fb_fillrect = cfb_fillrect,
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// .fb_copyarea = cfb_copyarea,
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// .fb_imageblit = cfb_imageblit,
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// .fb_pan_display = drm_fb_helper_pan_display,
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.fb_blank = drm_fb_helper_blank,
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2009-10-21 13:33:33 +04:00
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.fb_setcmap = drm_fb_helper_setcmap,
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2009-07-05 13:51:42 +04:00
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};
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/**
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2010-02-11 18:24:47 +03:00
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* Currently it is assumed that the old framebuffer is reused.
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2009-07-05 13:51:42 +04:00
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*
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* LOCKING
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* caller should hold the mode config lock.
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*
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*/
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int radeonfb_resize(struct drm_device *dev, struct drm_crtc *crtc)
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{
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struct fb_info *info;
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struct drm_framebuffer *fb;
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struct drm_display_mode *mode = crtc->desired_mode;
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fb = crtc->fb;
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if (fb == NULL) {
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return 1;
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}
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info = fb->fbdev;
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if (info == NULL) {
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return 1;
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}
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if (mode == NULL) {
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return 1;
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}
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info->var.xres = mode->hdisplay;
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info->var.right_margin = mode->hsync_start - mode->hdisplay;
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info->var.hsync_len = mode->hsync_end - mode->hsync_start;
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info->var.left_margin = mode->htotal - mode->hsync_end;
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info->var.yres = mode->vdisplay;
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info->var.lower_margin = mode->vsync_start - mode->vdisplay;
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info->var.vsync_len = mode->vsync_end - mode->vsync_start;
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info->var.upper_margin = mode->vtotal - mode->vsync_end;
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info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100;
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/* avoid overflow */
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info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh;
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return 0;
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}
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EXPORT_SYMBOL(radeonfb_resize);
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2009-10-25 01:42:25 +04:00
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int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled)
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2009-07-05 13:51:42 +04:00
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{
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int aligned = width;
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2009-09-26 18:08:05 +04:00
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int align_large = (ASIC_IS_AVIVO(rdev)) || tiled;
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2009-07-05 13:51:42 +04:00
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int pitch_mask = 0;
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switch (bpp / 8) {
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case 1:
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pitch_mask = align_large ? 255 : 127;
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break;
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case 2:
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pitch_mask = align_large ? 127 : 31;
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break;
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case 3:
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case 4:
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pitch_mask = align_large ? 63 : 15;
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break;
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}
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aligned += pitch_mask;
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aligned &= ~pitch_mask;
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return aligned;
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}
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2009-09-26 18:08:05 +04:00
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static struct drm_fb_helper_funcs radeon_fb_helper_funcs = {
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.gamma_set = radeon_crtc_fb_gamma_set,
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2009-10-21 13:33:33 +04:00
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.gamma_get = radeon_crtc_fb_gamma_get,
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2009-09-26 18:08:05 +04:00
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};
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int radeonfb_create(struct drm_device *dev,
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2009-07-05 13:51:42 +04:00
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uint32_t fb_width, uint32_t fb_height,
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uint32_t surface_width, uint32_t surface_height,
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2009-10-21 13:33:33 +04:00
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uint32_t surface_depth, uint32_t surface_bpp,
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2009-09-26 18:08:05 +04:00
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struct drm_framebuffer **fb_p)
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2009-07-05 13:51:42 +04:00
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{
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2009-09-26 18:08:05 +04:00
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struct radeon_device *rdev = dev->dev_private;
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2009-07-05 13:51:42 +04:00
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struct fb_info *info;
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struct radeon_fb_device *rfbdev;
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struct drm_framebuffer *fb = NULL;
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struct radeon_framebuffer *rfb;
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struct drm_mode_fb_cmd mode_cmd;
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struct drm_gem_object *gobj = NULL;
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2010-02-12 16:55:15 +03:00
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struct radeon_bo *rbo = NULL;
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// struct device *device = &rdev->pdev->dev;
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2009-07-05 13:51:42 +04:00
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int size, aligned_size, ret;
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u64 fb_gpuaddr;
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void *fbptr = NULL;
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unsigned long tmp;
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2009-09-26 18:08:05 +04:00
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bool fb_tiled = false; /* useful for testing */
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u32 tiling_flags = 0;
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2009-10-21 13:33:33 +04:00
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int crtc_count;
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2009-07-05 13:51:42 +04:00
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2009-09-26 18:08:05 +04:00
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mode_cmd.width = surface_width;
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2009-07-05 13:51:42 +04:00
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mode_cmd.height = surface_height;
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2009-10-21 13:33:33 +04:00
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/* avivo can't scanout real 24bpp */
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if ((surface_bpp == 24) && ASIC_IS_AVIVO(rdev))
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surface_bpp = 32;
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2010-02-12 16:55:15 +03:00
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mode_cmd.bpp = surface_bpp;
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2009-07-05 13:51:42 +04:00
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/* need to align pitch with crtc limits */
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2009-09-26 18:08:05 +04:00
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mode_cmd.pitch = radeon_align_pitch(rdev, mode_cmd.width, mode_cmd.bpp, fb_tiled) * ((mode_cmd.bpp + 1) / 8);
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2009-10-21 13:33:33 +04:00
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mode_cmd.depth = surface_depth;
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2009-07-05 13:51:42 +04:00
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size = mode_cmd.pitch * mode_cmd.height;
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aligned_size = ALIGN(size, PAGE_SIZE);
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2010-02-12 16:55:15 +03:00
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ret = radeon_gem_object_create(rdev, aligned_size, 0,
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2009-07-05 13:51:42 +04:00
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RADEON_GEM_DOMAIN_VRAM,
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2010-02-12 16:55:15 +03:00
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false, ttm_bo_type_kernel,
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&gobj);
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2009-07-05 13:51:42 +04:00
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if (ret) {
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printk(KERN_ERR "failed to allocate framebuffer (%d %d)\n",
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surface_width, surface_height);
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ret = -ENOMEM;
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goto out;
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}
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2010-02-12 16:55:15 +03:00
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rbo = gobj->driver_private;
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2009-07-05 13:51:42 +04:00
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2010-02-12 16:55:15 +03:00
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if (fb_tiled)
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tiling_flags = RADEON_TILING_MACRO;
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#ifdef __BIG_ENDIAN
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switch (mode_cmd.bpp) {
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case 32:
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tiling_flags |= RADEON_TILING_SWAP_32BIT;
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break;
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case 16:
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tiling_flags |= RADEON_TILING_SWAP_16BIT;
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default:
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break;
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}
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#endif
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if (tiling_flags) {
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ret = radeon_bo_set_tiling_flags(rbo,
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tiling_flags | RADEON_TILING_SURFACE,
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mode_cmd.pitch);
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if (ret)
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dev_err(rdev->dev, "FB failed to set tiling flags\n");
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}
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2009-09-26 18:08:05 +04:00
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mutex_lock(&rdev->ddev->struct_mutex);
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2009-07-05 13:51:42 +04:00
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fb = radeon_framebuffer_create(rdev->ddev, &mode_cmd, gobj);
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if (fb == NULL) {
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DRM_ERROR("failed to allocate fb.\n");
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ret = -ENOMEM;
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goto out_unref;
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}
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2010-02-12 16:55:15 +03:00
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ret = radeon_bo_reserve(rbo, false);
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if (unlikely(ret != 0))
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goto out_unref;
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ret = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_gpuaddr);
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if (ret) {
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radeon_bo_unreserve(rbo);
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goto out_unref;
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}
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if (fb_tiled)
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radeon_bo_check_tiling(rbo, 0, 0);
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ret = radeon_bo_kmap(rbo, &fbptr);
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radeon_bo_unreserve(rbo);
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2009-07-05 13:51:42 +04:00
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if (ret) {
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goto out_unref;
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}
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2009-09-26 18:08:05 +04:00
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list_add(&fb->filp_head, &rdev->ddev->mode_config.fb_kernel_list);
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2009-07-05 13:51:42 +04:00
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2009-09-26 18:08:05 +04:00
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*fb_p = fb;
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2009-07-05 13:51:42 +04:00
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rfb = to_radeon_framebuffer(fb);
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rdev->fbdev_rfb = rfb;
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2010-02-12 16:55:15 +03:00
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rdev->fbdev_rbo = rbo;
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2009-07-05 13:51:42 +04:00
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2010-02-12 16:55:15 +03:00
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info = framebuffer_alloc(sizeof(struct radeon_fb_device), NULL);
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2009-07-05 13:51:42 +04:00
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if (info == NULL) {
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ret = -ENOMEM;
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goto out_unref;
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}
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2009-09-26 18:08:05 +04:00
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rdev->fbdev_info = info;
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2009-07-05 13:51:42 +04:00
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rfbdev = info->par;
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2009-09-26 18:08:05 +04:00
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rfbdev->helper.funcs = &radeon_fb_helper_funcs;
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rfbdev->helper.dev = dev;
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2009-10-21 13:33:33 +04:00
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if (rdev->flags & RADEON_SINGLE_CRTC)
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crtc_count = 1;
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else
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crtc_count = 2;
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ret = drm_fb_helper_init_crtc_count(&rfbdev->helper, crtc_count,
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2009-09-26 18:08:05 +04:00
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RADEONFB_CONN_LIMIT);
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if (ret)
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goto out_unref;
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2009-07-05 13:51:42 +04:00
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2010-02-12 16:55:15 +03:00
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2009-07-05 13:51:42 +04:00
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strcpy(info->fix.id, "radeondrmfb");
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2009-09-26 18:08:05 +04:00
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2009-10-21 13:33:33 +04:00
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drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
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2009-09-26 18:08:05 +04:00
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info->flags = FBINFO_DEFAULT;
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info->fbops = &radeonfb_ops;
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2009-07-05 13:51:42 +04:00
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tmp = fb_gpuaddr - rdev->mc.vram_location;
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info->fix.smem_start = rdev->mc.aper_base + tmp;
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info->fix.smem_len = size;
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info->screen_base = fbptr;
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info->screen_size = size;
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2009-09-26 18:08:05 +04:00
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drm_fb_helper_fill_var(info, fb, fb_width, fb_height);
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/* setup aperture base/size for vesafb takeover */
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info->aperture_base = rdev->ddev->mode_config.fb_base;
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info->aperture_size = rdev->mc.real_vram_size;
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2009-07-05 13:51:42 +04:00
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info->fix.mmio_start = 0;
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info->fix.mmio_len = 0;
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// info->pixmap.size = 64*1024;
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// info->pixmap.buf_align = 8;
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// info->pixmap.access_align = 32;
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// info->pixmap.flags = FB_PIXMAP_SYSTEM;
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// info->pixmap.scan_align = 1;
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if (info->screen_base == NULL) {
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ret = -ENOSPC;
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goto out_unref;
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}
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DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start);
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DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base);
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DRM_INFO("size %lu\n", (unsigned long)size);
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DRM_INFO("fb depth is %d\n", fb->depth);
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DRM_INFO(" pitch is %d\n", fb->pitch);
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dbgprintf("fb = %x\n", fb);
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fb->fbdev = info;
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rfbdev->rfb = rfb;
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rfbdev->rdev = rdev;
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2009-09-26 18:08:05 +04:00
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mutex_unlock(&rdev->ddev->struct_mutex);
|
2009-07-05 13:51:42 +04:00
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return 0;
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out_unref:
|
2010-02-12 16:55:15 +03:00
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if (rbo) {
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ret = radeon_bo_reserve(rbo, false);
|
|
|
|
if (likely(ret == 0)) {
|
|
|
|
radeon_bo_kunmap(rbo);
|
|
|
|
radeon_bo_unreserve(rbo);
|
|
|
|
}
|
2009-07-05 13:51:42 +04:00
|
|
|
}
|
|
|
|
if (fb && ret) {
|
|
|
|
list_del(&fb->filp_head);
|
2010-02-12 16:55:15 +03:00
|
|
|
// drm_gem_object_unreference(gobj);
|
2009-07-05 13:51:42 +04:00
|
|
|
// drm_framebuffer_cleanup(fb);
|
|
|
|
kfree(fb);
|
|
|
|
}
|
|
|
|
// drm_gem_object_unreference(gobj);
|
2009-09-26 18:08:05 +04:00
|
|
|
mutex_unlock(&rdev->ddev->struct_mutex);
|
2009-07-05 13:51:42 +04:00
|
|
|
out:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
int radeonfb_probe(struct drm_device *dev)
|
|
|
|
{
|
2010-02-12 16:55:15 +03:00
|
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
|
|
int bpp_sel = 32;
|
|
|
|
|
|
|
|
/* select 8 bpp console on RN50 or 16MB cards */
|
|
|
|
if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024))
|
|
|
|
bpp_sel = 8;
|
|
|
|
|
2009-10-21 13:33:33 +04:00
|
|
|
return drm_fb_helper_single_fb_probe(dev, 32, &radeonfb_create);
|
2009-07-05 13:51:42 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
|
|
|
|
{
|
|
|
|
struct fb_info *info;
|
|
|
|
struct radeon_framebuffer *rfb = to_radeon_framebuffer(fb);
|
2010-02-12 16:55:15 +03:00
|
|
|
struct radeon_bo *rbo;
|
|
|
|
int r;
|
2009-07-05 13:51:42 +04:00
|
|
|
|
|
|
|
if (!fb) {
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
info = fb->fbdev;
|
|
|
|
if (info) {
|
2009-09-26 18:08:05 +04:00
|
|
|
struct radeon_fb_device *rfbdev = info->par;
|
2010-02-12 16:55:15 +03:00
|
|
|
rbo = rfb->obj->driver_private;
|
2009-07-05 13:51:42 +04:00
|
|
|
// unregister_framebuffer(info);
|
2010-02-12 16:55:15 +03:00
|
|
|
r = radeon_bo_reserve(rbo, false);
|
|
|
|
if (likely(r == 0)) {
|
|
|
|
radeon_bo_kunmap(rbo);
|
|
|
|
radeon_bo_unpin(rbo);
|
|
|
|
radeon_bo_unreserve(rbo);
|
|
|
|
}
|
|
|
|
drm_fb_helper_free(&rfbdev->helper);
|
|
|
|
framebuffer_release(info);
|
2009-07-05 13:51:42 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
printk(KERN_INFO "unregistered panic notifier\n");
|
2009-09-26 18:08:05 +04:00
|
|
|
|
2009-07-05 13:51:42 +04:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(radeonfb_remove);
|
|
|
|
|
|
|
|
|
2009-07-13 15:25:53 +04:00
|
|
|
|