diff options
Diffstat (limited to 'linux-core/radeon_ms_fb.c')
-rw-r--r-- | linux-core/radeon_ms_fb.c | 462 |
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"); |