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Diffstat (limited to 'linux-core/radeon_ms_fb.c')
-rw-r--r--linux-core/radeon_ms_fb.c462
1 files changed, 0 insertions, 462 deletions
diff --git a/linux-core/radeon_ms_fb.c b/linux-core/radeon_ms_fb.c
deleted file mode 100644
index 0ac9207c..00000000
--- a/linux-core/radeon_ms_fb.c
+++ /dev/null
@@ -1,462 +0,0 @@
-/*
- * Copyright © 2007 David Airlie
- * Copyright © 2007 Jerome Glisse
- *
- * All Rights Reserved.
- *
- * 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 on 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
- * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
- * THEIR SUPPLIERS 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.
- */
-#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"
-#include "drm.h"
-#include "drm_crtc.h"
-#include "radeon_ms.h"
-#include "amd.h"
-
-
-static int radeonfb_setcolreg(unsigned regno, unsigned red,
- unsigned green, unsigned blue,
- unsigned transp, struct fb_info *info)
-{
- struct amd_fb *par = info->par;
- struct drm_framebuffer *fb = par->fb;
- struct drm_crtc *crtc = par->crtc;
-
- if (regno > 255) {
- return 1;
- }
- // if (crtc->funcs->gamma_set) {
- // crtc->funcs->gamma_set(crtc, red, green, blue, regno);
- // }
- 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;
-}
-
-static int radeonfb_check_var(struct fb_var_screeninfo *var,
- struct fb_info *info)
-{
- struct amd_fb *par = info->par;
- struct drm_framebuffer *fb = par->fb;
-
- if (!var->pixclock)
- return -EINVAL;
-
- /* Need to resize the fb object !!! */
- if (var->xres > fb->width || var->yres > fb->height) {
- DRM_ERROR("Requested width/height is greater than "
- "current fb object %dx%d > %dx%d\n",
- var->xres, var->yres, fb->width, fb->height);
- DRM_ERROR("Need resizing code.\n");
- return -EINVAL;
- }
-
- switch (var->bits_per_pixel) {
- case 16:
- if (var->green.length == 5) {
- var->red.offset = 10;
- var->green.offset = 5;
- var->blue.offset = 0;
- var->red.length = 5;
- var->green.length = 5;
- var->blue.length = 5;
- var->transp.length = 0;
- var->transp.offset = 0;
- } else {
- var->red.offset = 11;
- var->green.offset = 6;
- var->blue.offset = 0;
- var->red.length = 5;
- var->green.length = 6;
- var->blue.length = 5;
- var->transp.length = 0;
- var->transp.offset = 0;
- }
- break;
- case 32:
- if (var->transp.length) {
- var->red.offset = 16;
- var->green.offset = 8;
- var->blue.offset = 0;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 8;
- var->transp.offset = 24;
- } else {
- var->red.offset = 16;
- var->green.offset = 8;
- var->blue.offset = 0;
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- var->transp.length = 0;
- var->transp.offset = 0;
- }
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static bool radeonfb_mode_equal(struct drm_display_mode *mode1,
- struct drm_display_mode *mode2)
-{
- if (mode1->hdisplay == mode2->hdisplay &&
- mode1->hsync_start == mode2->hsync_start &&
- mode1->hsync_end == mode2->hsync_end &&
- mode1->htotal == mode2->htotal &&
- mode1->hskew == mode2->hskew &&
- mode1->vdisplay == mode2->vdisplay &&
- mode1->vsync_start == mode2->vsync_start &&
- mode1->vsync_end == mode2->vsync_end &&
- mode1->vtotal == mode2->vtotal &&
- mode1->vscan == mode2->vscan &&
- mode1->flags == mode2->flags) {
- /* FIXME: what about adding a margin for clock ? */
- if (mode1->clock == mode2->clock)
- return true;
- return false;
- }
-
- return false;
-}
-
-static int radeonfb_set_par(struct fb_info *info)
-{
- struct amd_fb *par = info->par;
- struct drm_framebuffer *fb = par->fb;
- struct drm_device *dev = par->dev;
- struct drm_display_mode *drm_mode, *search_mode;
- struct drm_output *output;
- struct fb_var_screeninfo *var = &info->var;
- int found = 0;
-
- switch (var->bits_per_pixel) {
- case 16:
- fb->depth = (var->green.length == 6) ? 16 : 15;
- break;
- case 32:
- fb->depth = (var->transp.length > 0) ? 32 : 24;
- break;
- default:
- return -EINVAL;
- }
- fb->bits_per_pixel = var->bits_per_pixel;
-
- info->fix.line_length = fb->pitch;
- info->fix.smem_len = info->fix.line_length * fb->height;
- info->fix.visual = FB_VISUAL_TRUECOLOR;
- info->screen_size = info->fix.smem_len; /* ??? */
-
- /* Should we walk the output's modelist or just create our own ???
- * For now, we create and destroy a mode based on the incoming
- * parameters. But there's commented out code below which scans
- * the output list too.
- */
- drm_mode = drm_mode_create(dev);
- drm_mode->hdisplay = var->xres;
- drm_mode->hsync_start = drm_mode->hdisplay + var->right_margin;
- drm_mode->hsync_end = drm_mode->hsync_start + var->hsync_len;
- drm_mode->htotal = drm_mode->hsync_end + var->left_margin;
- drm_mode->vdisplay = var->yres;
- drm_mode->vsync_start = drm_mode->vdisplay + var->lower_margin;
- drm_mode->vsync_end = drm_mode->vsync_start + var->vsync_len;
- drm_mode->vtotal = drm_mode->vsync_end + var->upper_margin;
- drm_mode->clock = PICOS2KHZ(var->pixclock);
- drm_mode->vrefresh = drm_mode_vrefresh(drm_mode);
- drm_mode_set_name(drm_mode);
- drm_mode_set_crtcinfo(drm_mode, CRTC_INTERLACE_HALVE_V);
-
- list_for_each_entry(output, &dev->mode_config.output_list, head) {
- if (output->crtc == par->crtc)
- break;
- }
-
- drm_mode_debug_printmodeline(drm_mode);
- list_for_each_entry(search_mode, &output->modes, head) {
- drm_mode_debug_printmodeline(search_mode);
- if (radeonfb_mode_equal(drm_mode, search_mode)) {
- drm_mode_destroy(dev, drm_mode);
- drm_mode = search_mode;
- found = 1;
- break;
- }
- }
-
- if (!found) {
- if (par->fb_mode) {
- drm_mode_detachmode_crtc(dev, par->fb_mode);
- }
- par->fb_mode = drm_mode;
- drm_mode_debug_printmodeline(drm_mode);
- /* attach mode */
- drm_mode_attachmode_crtc(dev, par->crtc, par->fb_mode);
- }
-
- if (par->crtc->enabled) {
- if (!drm_mode_equal(&par->crtc->mode, drm_mode) ||
- par->crtc->fb != par->fb) {
- par->crtc->fb = par->fb;
- if (!drm_crtc_set_mode(par->crtc, drm_mode, 0, 0)) {
- return -EINVAL;
- }
- }
- }
-
- return 0;
-}
-
-static struct fb_ops radeonfb_ops = {
- .owner = THIS_MODULE,
- // .fb_open = radeonfb_open,
- // .fb_read = radeonfb_read,
- // .fb_write = radeonfb_write,
- // .fb_release = radeonfb_release,
- // .fb_ioctl = radeonfb_ioctl,
- .fb_check_var = radeonfb_check_var,
- .fb_set_par = radeonfb_set_par,
- .fb_setcolreg = radeonfb_setcolreg,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
-};
-
-int radeonfb_probe(struct drm_device *dev, struct drm_crtc *crtc, struct drm_output *output)
-{
- struct drm_radeon_private *dev_priv = dev->dev_private;
- struct fb_info *info;
- struct amd_fb *par;
- struct device *device = &dev->pdev->dev;
- struct drm_framebuffer *fb;
- struct drm_display_mode *mode = crtc->desired_mode;
- int ret;
-
- info = framebuffer_alloc(sizeof(struct amd_fb), device);
- if (!info){
- DRM_INFO("[radeon_ms] framebuffer_alloc failed\n");
- return -EINVAL;
- }
-
- fb = drm_framebuffer_create(dev);
- if (!fb) {
- framebuffer_release(info);
- DRM_ERROR("[radeon_ms] failed to allocate fb.\n");
- return -EINVAL;
- }
- crtc->fb = fb;
-
- fb->width = crtc->desired_mode->hdisplay;
- fb->height = crtc->desired_mode->vdisplay;
- fb->bits_per_pixel = 32;
- fb->pitch = fb->width * ((fb->bits_per_pixel + 1) / 8);
- fb->depth = 24;
- /* one page alignment should be fine for constraint (micro|macro tiling,
- * bit depth, color buffer offset, ...) */
- ret = drm_buffer_object_create(dev, fb->width * fb->height * 4,
- drm_bo_type_kernel,
- DRM_BO_FLAG_READ |
- DRM_BO_FLAG_WRITE |
- DRM_BO_FLAG_NO_EVICT |
- DRM_BO_FLAG_MEM_VRAM,
- DRM_BO_HINT_DONT_FENCE,
- 1,
- 0,
- &fb->bo);
- if (ret || fb->bo == NULL) {
- DRM_ERROR("[radeon_ms] failed to allocate framebuffer\n");
- drm_framebuffer_destroy(fb);
- framebuffer_release(info);
- return -EINVAL;
- }
-
- DRM_INFO("[radeon_ms] framebuffer %dx%d at 0x%08lX\n",
- fb->width, fb->height, fb->bo->offset);
-
- fb->fbdev = info;
- par = info->par;
- dev_priv->fb = par;
- par->dev = dev;
- par->crtc = crtc;
- par->fb = fb;
- info->fbops = &radeonfb_ops;
- strcpy(info->fix.id, "radeonfb");
- info->fix.type = FB_TYPE_PACKED_PIXELS;
- info->fix.visual = FB_VISUAL_TRUECOLOR;
- info->fix.type_aux = 0;
- info->fix.xpanstep = 8;
- info->fix.ypanstep = 1;
- info->fix.ywrapstep = 0;
- info->fix.accel = FB_ACCEL_ATI_RADEON;
- info->fix.type_aux = 0;
- info->fix.mmio_start = 0;
- info->fix.mmio_len = 0;
- info->fix.line_length = fb->pitch;
- info->fix.smem_start = fb->bo->offset + dev->mode_config.fb_base;
- info->fix.smem_len = info->fix.line_length * fb->height;
- info->flags = FBINFO_DEFAULT;
- DRM_INFO("[radeon_ms] fb physical start : 0x%lX\n", info->fix.smem_start);
- DRM_INFO("[radeon_ms] fb physical size : %d\n", info->fix.smem_len);
-
- ret = drm_bo_kmap(fb->bo, 0, fb->bo->num_pages, &fb->kmap);
- if (ret) {
- DRM_ERROR("error mapping fb: %d\n", ret);
- }
- info->screen_base = fb->kmap.virtual;
- info->screen_size = info->fix.smem_len; /* FIXME */
- info->pseudo_palette = fb->pseudo_palette;
- info->var.xres_virtual = fb->width;
- 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;
-
- info->var.xres = mode->hdisplay;
- info->var.right_margin = mode->hsync_start - mode->hdisplay;
- info->var.hsync_len = mode->hsync_end - mode->hsync_start;
- info->var.left_margin = mode->htotal - mode->hsync_end;
- info->var.yres = mode->vdisplay;
- info->var.lower_margin = mode->vsync_start - mode->vdisplay;
- info->var.vsync_len = mode->vsync_end - mode->vsync_start;
- info->var.upper_margin = mode->vtotal - mode->vsync_end;
- info->var.pixclock = 10000000 / mode->htotal * 1000 /
- mode->vtotal * 100;
- /* avoid overflow */
- info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh;
-
- info->pixmap.size = 64*1024;
- info->pixmap.buf_align = 8;
- info->pixmap.access_align = 32;
- info->pixmap.flags = FB_PIXMAP_SYSTEM;
- info->pixmap.scan_align = 1;
-
- DRM_DEBUG("fb depth is %d\n", fb->depth);
- DRM_DEBUG(" pitch is %d\n", fb->pitch);
- switch(fb->depth) {
- case 15:
- info->var.red.offset = 10;
- info->var.green.offset = 5;
- info->var.blue.offset = 0;
- info->var.red.length = info->var.green.length =
- info->var.blue.length = 5;
- info->var.transp.offset = 15;
- info->var.transp.length = 1;
- break;
- case 16:
- info->var.red.offset = 11;
- info->var.green.offset = 5;
- info->var.blue.offset = 0;
- info->var.red.length = 5;
- info->var.green.length = 6;
- info->var.blue.length = 5;
- info->var.transp.offset = 0;
- break;
- case 24:
- 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;
- info->var.transp.offset = 0;
- info->var.transp.length = 0;
- break;
- 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;
- info->var.transp.offset = 24;
- info->var.transp.length = 8;
- break;
- default:
- DRM_ERROR("only support 15, 16, 24 or 32bits per pixel "
- "got %d\n", fb->depth);
- return -EINVAL;
- break;
- }
-
- if (register_framebuffer(info) < 0) {
- return -EINVAL;
- }
-
- DRM_INFO("[radeon_ms] fb%d: %s frame buffer device\n", info->node,
- info->fix.id);
- return 0;
-}
-EXPORT_SYMBOL(radeonfb_probe);
-
-int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *kern_fb)
-{
- struct drm_radeon_private *dev_priv = dev->dev_private;
- struct amd_fb *fb = dev_priv->fb;
- struct fb_info *info;
-
- if (fb == NULL || fb->fb == NULL || fb->fb->fbdev == NULL) {
- DRM_INFO("[radeon_ms] %s: no crtc, or fb or fbdev\n",
- __func__);
- return 0;
- }
- info = fb->fb->fbdev;
- unregister_framebuffer(info);
- drm_bo_kunmap(&fb->fb->kmap);
- drm_bo_usage_deref_unlocked(&fb->fb->bo);
- drm_framebuffer_destroy(fb->fb);
- framebuffer_release(info);
- dev_priv->fb = NULL;
- return 0;
-}
-EXPORT_SYMBOL(radeonfb_remove);
-MODULE_LICENSE("GPL");