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Diffstat (limited to 'linux-core/intel_fb.c')
-rw-r--r--linux-core/intel_fb.c1148
1 files changed, 0 insertions, 1148 deletions
diff --git a/linux-core/intel_fb.c b/linux-core/intel_fb.c
deleted file mode 100644
index 3d786ea3..00000000
--- a/linux-core/intel_fb.c
+++ /dev/null
@@ -1,1148 +0,0 @@
-/*
- * 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"
-#include "drm.h"
-#include "drm_crtc.h"
-#include "intel_drv.h"
-#include "i915_drm.h"
-#include "i915_drv.h"
-
-struct intelfb_par {
- struct drm_device *dev;
- struct drm_display_mode *our_mode;
- struct intel_framebuffer *intel_fb;
- int crtc_count;
- /* crtc currently bound to this */
- uint32_t crtc_ids[2];
-};
-/*
-static int
-var_to_refresh(const struct fb_var_screeninfo *var)
-{
- int xtot = var->xres + var->left_margin + var->right_margin +
- var->hsync_len;
- int ytot = var->yres + var->upper_margin + var->lower_margin +
- var->vsync_len;
-
- return (1000000000 / var->pixclock * 1000 + 500) / xtot / ytot;
-}*/
-
-static int intelfb_setcolreg(unsigned regno, unsigned red, unsigned green,
- unsigned blue, unsigned transp,
- struct fb_info *info)
-{
- struct intelfb_par *par = info->par;
- struct drm_device *dev = par->dev;
- struct drm_crtc *crtc;
- int i;
-
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct drm_mode_set *modeset = &intel_crtc->mode_set;
- struct drm_framebuffer *fb = modeset->fb;
-
- for (i = 0; i < par->crtc_count; i++)
- if (crtc->base.id == par->crtc_ids[i])
- break;
-
- if (i == par->crtc_count)
- continue;
-
-
- if (regno > 255)
- return 1;
-
- if (fb->depth == 8) {
- intel_crtc_fb_gamma_set(crtc, red, green, blue, regno);
- return 0;
- }
-
- 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 intelfb_check_var(struct fb_var_screeninfo *var,
- struct fb_info *info)
-{
- struct intelfb_par *par = info->par;
- struct intel_framebuffer *intel_fb = par->intel_fb;
- struct drm_framebuffer *fb = &intel_fb->base;
- int depth;
-
- if (var->pixclock == -1 || !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:
- depth = (var->green.length == 6) ? 16 : 15;
- break;
- case 32:
- depth = (var->transp.length > 0) ? 32 : 24;
- break;
- default:
- depth = var->bits_per_pixel;
- break;
- }
-
- switch (depth) {
- case 8:
- var->red.offset = 0;
- var->green.offset = 0;
- 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;
- case 15:
- 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 = 1;
- var->transp.offset = 15;
- break;
- case 16:
- var->red.offset = 11;
- var->green.offset = 5;
- 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 24:
- 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;
- case 32:
- 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;
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-/* this will let fbcon do the mode init */
-/* FIXME: take mode config lock? */
-static int intelfb_set_par(struct fb_info *info)
-{
- struct intelfb_par *par = info->par;
- struct drm_device *dev = par->dev;
- struct fb_var_screeninfo *var = &info->var;
- int i;
-
- DRM_DEBUG("%d %d\n", var->xres, var->pixclock);
-
- if (var->pixclock != -1) {
-
- DRM_ERROR("PIXEL CLCOK SET\n");
-#if 0
- struct intel_framebuffer *intel_fb = par->intel_fb;
- struct drm_framebuffer *fb = &intel_fb->base;
- struct drm_display_mode *drm_mode, *search_mode;
- struct drm_connector *connector = NULL;
- struct drm_device *dev = par->dev;
-
- 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:
- fb->depth = var->bits_per_pixel;
- break;
- }
-
- 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->depth == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
-
- info->screen_size = info->fix.smem_len; /* ??? */
- /* reuse desired mode if possible */
- /* create a drm mode */
- 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->flags = 0;
- drm_mode->flags |= var->sync & FB_SYNC_HOR_HIGH_ACT ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
- drm_mode->flags |= var->sync & FB_SYNC_VERT_HIGH_ACT ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
-
- drm_mode_set_name(drm_mode);
- drm_mode_set_crtcinfo(drm_mode, CRTC_INTERLACE_HALVE_V);
-
- found = 0;
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder &&
- connector->encoder->crtc == par->set.crtc){
- found = 1;
- break;
- }
- }
-
- /* no connector bound, bail */
- if (!found)
- return -EINVAL;
-
- found = 0;
- drm_mode_debug_printmodeline(drm_mode);
- list_for_each_entry(search_mode, &connector->modes, head) {
- drm_mode_debug_printmodeline(search_mode);
- if (drm_mode_equal(drm_mode, search_mode)) {
- drm_mode_destroy(dev, drm_mode);
- drm_mode = search_mode;
- found = 1;
- break;
- }
- }
-
- /* If we didn't find a matching mode that exists on our connector,
- * create a new attachment for the incoming user specified mode
- */
- if (!found) {
- if (par->our_mode) {
- /* this also destroys the mode */
- drm_mode_detachmode_crtc(dev, par->our_mode);
- }
-
- par->set.mode = drm_mode;
- par->our_mode = drm_mode;
- drm_mode_debug_printmodeline(drm_mode);
- /* attach mode */
- drm_mode_attachmode_crtc(dev, par->set.crtc, par->set.mode);
- } else {
- par->set.mode = drm_mode;
- if (par->our_mode)
- drm_mode_detachmode_crtc(dev, par->our_mode);
- par->our_mode = NULL;
- }
- return par->set.crtc->funcs->set_config(&par->set);
-#endif
- return -EINVAL;
- } else {
- struct drm_crtc *crtc;
- int ret;
-
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-
- for (i = 0; i < par->crtc_count; i++)
- if (crtc->base.id == par->crtc_ids[i])
- break;
-
- if (i == par->crtc_count)
- continue;
-
- if (crtc->fb == intel_crtc->mode_set.fb) {
- ret = crtc->funcs->set_config(&intel_crtc->mode_set);
- if (ret)
- return ret;
- }
- }
- return 0;
- }
-}
-
-#if 0
-static void intelfb_copyarea(struct fb_info *info,
- const struct fb_copyarea *region)
-{
- struct intelfb_par *par = info->par;
- struct drm_device *dev = par->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- u32 src_x1, src_y1, dst_x1, dst_y1, dst_x2, dst_y2, offset;
- u32 cmd, rop_depth_pitch, src_pitch;
- RING_LOCALS;
-
- cmd = XY_SRC_COPY_BLT_CMD;
- src_x1 = region->sx;
- src_y1 = region->sy;
- dst_x1 = region->dx;
- dst_y1 = region->dy;
- dst_x2 = region->dx + region->width;
- dst_y2 = region->dy + region->height;
- offset = par->fb->offset;
- rop_depth_pitch = BLT_ROP_GXCOPY | par->fb->pitch;
- src_pitch = par->fb->pitch;
-
- switch (par->fb->bits_per_pixel) {
- case 16:
- rop_depth_pitch |= BLT_DEPTH_16_565;
- break;
- case 32:
- rop_depth_pitch |= BLT_DEPTH_32;
- cmd |= XY_SRC_COPY_BLT_WRITE_ALPHA | XY_SRC_COPY_BLT_WRITE_RGB;
- break;
- }
-
- BEGIN_LP_RING(8);
- OUT_RING(cmd);
- OUT_RING(rop_depth_pitch);
- OUT_RING((dst_y1 << 16) | (dst_x1 & 0xffff));
- OUT_RING((dst_y2 << 16) | (dst_x2 & 0xffff));
- OUT_RING(offset);
- OUT_RING((src_y1 << 16) | (src_x1 & 0xffff));
- OUT_RING(src_pitch);
- OUT_RING(offset);
- ADVANCE_LP_RING();
-}
-
-#define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y))
-#define ROUND_DOWN_TO(x, y) ((x) / (y) * (y))
-
-void intelfb_imageblit(struct fb_info *info, const struct fb_image *image)
-{
- struct intelfb_par *par = info->par;
- struct drm_device *dev = par->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- u32 cmd, rop_pitch_depth, tmp;
- int nbytes, ndwords, pad;
- u32 dst_x1, dst_y1, dst_x2, dst_y2, offset, bg, fg;
- int dat, ix, iy, iw;
- int i, j;
- RING_LOCALS;
-
- /* size in bytes of a padded scanline */
- nbytes = ROUND_UP_TO(image->width, 16) / 8;
-
- /* Total bytes of padded scanline data to write out. */
- nbytes *= image->height;
-
- /*
- * Check if the glyph data exceeds the immediate mode limit.
- * It would take a large font (1K pixels) to hit this limit.
- */
- if (nbytes > 128 || image->depth != 1)
- return cfb_imageblit(info, image);
-
- /* Src data is packaged a dword (32-bit) at a time. */
- ndwords = ROUND_UP_TO(nbytes, 4) / 4;
-
- /*
- * Ring has to be padded to a quad word. But because the command starts
- with 7 bytes, pad only if there is an even number of ndwords
- */
- pad = !(ndwords % 2);
-
- DRM_DEBUG("imageblit %dx%dx%d to (%d,%d)\n", image->width,
- image->height, image->depth, image->dx, image->dy);
- DRM_DEBUG("nbytes: %d, ndwords: %d, pad: %d\n", nbytes, ndwords, pad);
-
- tmp = (XY_MONO_SRC_COPY_IMM_BLT & 0xff) + ndwords;
- cmd = (XY_MONO_SRC_COPY_IMM_BLT & ~0xff) | tmp;
- offset = par->fb->offset;
- dst_x1 = image->dx;
- dst_y1 = image->dy;
- dst_x2 = image->dx + image->width;
- dst_y2 = image->dy + image->height;
- rop_pitch_depth = BLT_ROP_GXCOPY | par->fb->pitch;
-
- switch (par->fb->bits_per_pixel) {
- case 8:
- rop_pitch_depth |= BLT_DEPTH_8;
- fg = image->fg_color;
- bg = image->bg_color;
- break;
- case 16:
- rop_pitch_depth |= BLT_DEPTH_16_565;
- fg = par->fb->pseudo_palette[image->fg_color];
- bg = par->fb->pseudo_palette[image->bg_color];
- break;
- case 32:
- rop_pitch_depth |= BLT_DEPTH_32;
- cmd |= XY_SRC_COPY_BLT_WRITE_ALPHA | XY_SRC_COPY_BLT_WRITE_RGB;
- fg = par->fb->pseudo_palette[image->fg_color];
- bg = par->fb->pseudo_palette[image->bg_color];
- break;
- default:
- DRM_ERROR("unknown depth %d\n", par->fb->bits_per_pixel);
- break;
- }
-
- BEGIN_LP_RING(8 + ndwords);
- OUT_RING(cmd);
- OUT_RING(rop_pitch_depth);
- OUT_RING((dst_y1 << 16) | (dst_x1 & 0xffff));
- OUT_RING((dst_y2 << 16) | (dst_x2 & 0xffff));
- OUT_RING(offset);
- OUT_RING(bg);
- OUT_RING(fg);
- ix = iy = 0;
- iw = ROUND_UP_TO(image->width, 8) / 8;
- while (ndwords--) {
- dat = 0;
- for (j = 0; j < 2; ++j) {
- for (i = 0; i < 2; ++i) {
- if (ix != iw || i == 0)
- dat |= image->data[iy*iw + ix++] << (i+j*2)*8;
- }
- if (ix == iw && iy != (image->height - 1)) {
- ix = 0;
- ++iy;
- }
- }
- OUT_RING(dat);
- }
- if (pad)
- OUT_RING(MI_NOOP);
- ADVANCE_LP_RING();
-}
-#endif
-static int intelfb_pan_display(struct fb_var_screeninfo *var,
- struct fb_info *info)
-{
- struct intelfb_par *par = info->par;
- struct drm_device *dev = par->dev;
- struct drm_mode_set *modeset;
- struct drm_crtc *crtc;
- struct intel_crtc *intel_crtc;
- int ret = 0;
- int i;
-
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-
- for (i = 0; i < par->crtc_count; i++)
- if (crtc->base.id == par->crtc_ids[i])
- break;
-
- if (i == par->crtc_count)
- continue;
-
- intel_crtc = to_intel_crtc(crtc);
- modeset = &intel_crtc->mode_set;
-
- modeset->x = var->xoffset;
- modeset->y = var->yoffset;
-
- if (modeset->num_connectors) {
- ret = crtc->funcs->set_config(modeset);
-
- if (!ret) {
- info->var.xoffset = var->xoffset;
- info->var.yoffset = var->yoffset;
- }
- }
- }
-
- return ret;
-}
-
-static void intelfb_on(struct fb_info *info)
-{
- struct intelfb_par *par = info->par;
- struct drm_device *dev = par->dev;
- struct drm_crtc *crtc;
- struct drm_encoder *encoder;
- int i;
-
- /*
- * For each CRTC in this fb, find all associated encoders
- * and turn them off, then turn off the CRTC.
- */
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-
- for (i = 0; i < par->crtc_count; i++)
- if (crtc->base.id == par->crtc_ids[i])
- break;
-
- crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-
- /* Found a CRTC on this fb, now find encoders */
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- if (encoder->crtc == crtc) {
- struct drm_encoder_helper_funcs *encoder_funcs;
- encoder_funcs = encoder->helper_private;
- encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
- }
- }
- }
-}
-
-static void intelfb_off(struct fb_info *info, int dpms_mode)
-{
- struct intelfb_par *par = info->par;
- struct drm_device *dev = par->dev;
- struct drm_crtc *crtc;
- struct drm_encoder *encoder;
- int i;
-
- /*
- * For each CRTC in this fb, find all associated encoders
- * and turn them off, then turn off the CRTC.
- */
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-
- for (i = 0; i < par->crtc_count; i++)
- if (crtc->base.id == par->crtc_ids[i])
- break;
-
- /* Found a CRTC on this fb, now find encoders */
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- if (encoder->crtc == crtc) {
- struct drm_encoder_helper_funcs *encoder_funcs;
- encoder_funcs = encoder->helper_private;
- encoder_funcs->dpms(encoder, dpms_mode);
- }
- }
- if (dpms_mode == DRM_MODE_DPMS_OFF)
- crtc_funcs->dpms(crtc, dpms_mode);
- }
-}
-
-int intelfb_blank(int blank, struct fb_info *info)
-{
- switch (blank) {
- case FB_BLANK_UNBLANK:
- intelfb_on(info);
- break;
- case FB_BLANK_NORMAL:
- intelfb_off(info, DRM_MODE_DPMS_STANDBY);
- break;
- case FB_BLANK_HSYNC_SUSPEND:
- intelfb_off(info, DRM_MODE_DPMS_STANDBY);
- break;
- case FB_BLANK_VSYNC_SUSPEND:
- intelfb_off(info, DRM_MODE_DPMS_SUSPEND);
- break;
- case FB_BLANK_POWERDOWN:
- intelfb_off(info, DRM_MODE_DPMS_OFF);
- break;
- }
- return 0;
-}
-
-static struct fb_ops intelfb_ops = {
- .owner = THIS_MODULE,
- //.fb_open = intelfb_open,
- //.fb_read = intelfb_read,
- //.fb_write = intelfb_write,
- //.fb_release = intelfb_release,
- //.fb_ioctl = intelfb_ioctl,
- .fb_check_var = intelfb_check_var,
- .fb_set_par = intelfb_set_par,
- .fb_setcolreg = intelfb_setcolreg,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea, //intelfb_copyarea,
- .fb_imageblit = cfb_imageblit, //intelfb_imageblit,
- .fb_pan_display = intelfb_pan_display,
- .fb_blank = intelfb_blank,
-};
-
-/**
- * Curretly it is assumed that the old framebuffer is reused.
- *
- * LOCKING
- * caller should hold the mode config lock.
- *
- */
-int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc)
-{
- struct fb_info *info;
- struct drm_framebuffer *fb;
- struct drm_display_mode *mode = crtc->desired_mode;
-
- fb = crtc->fb;
- if (!fb)
- return 1;
-
- info = fb->fbdev;
- if (!info)
- return 1;
-
- if (!mode)
- return 1;
-
- 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;
-
- return 0;
-}
-EXPORT_SYMBOL(intelfb_resize);
-
-static struct drm_mode_set panic_mode;
-
-int intelfb_panic(struct notifier_block *n, unsigned long ununsed,
- void *panic_str)
-{
- DRM_ERROR("panic occurred, switching back to text console\n");
- drm_crtc_helper_set_config(&panic_mode);
-
- return 0;
-}
-EXPORT_SYMBOL(intelfb_panic);
-
-static struct notifier_block paniced = {
- .notifier_call = intelfb_panic,
-};
-
-int intelfb_create(struct drm_device *dev, uint32_t fb_width, uint32_t fb_height,
- uint32_t surface_width, uint32_t surface_height,
- struct intel_framebuffer **intel_fb_p)
-{
- struct fb_info *info;
- struct intelfb_par *par;
- struct drm_framebuffer *fb;
- struct intel_framebuffer *intel_fb;
- struct drm_mode_fb_cmd mode_cmd;
- struct drm_gem_object *fbo = NULL;
- struct drm_i915_gem_object *obj_priv;
- struct device *device = &dev->pdev->dev;
- int size, aligned_size, ret;
-
- mode_cmd.width = surface_width;/* crtc->desired_mode->hdisplay; */
- mode_cmd.height = surface_height;/* crtc->desired_mode->vdisplay; */
-
- mode_cmd.bpp = 32;
- mode_cmd.pitch = mode_cmd.width * ((mode_cmd.bpp + 1) / 8);
- mode_cmd.depth = 24;
-
- size = mode_cmd.pitch * mode_cmd.height;
- aligned_size = ALIGN(size, PAGE_SIZE);
- fbo = drm_gem_object_alloc(dev, aligned_size);
- if (!fbo) {
- printk(KERN_ERR "failed to allocate framebuffer\n");
- ret = -ENOMEM;
- goto out;
- }
- obj_priv = fbo->driver_private;
-
- mutex_lock(&dev->struct_mutex);
- /* Flush everything out, we'll be doing GTT only from now on */
- i915_gem_object_set_domain(fbo, I915_GEM_DOMAIN_GTT,
- I915_GEM_DOMAIN_GTT);
-
- ret = i915_gem_object_pin(fbo, PAGE_SIZE);
- if (ret) {
- DRM_ERROR("failed to pin fb: %d\n", ret);
- goto out_unref;
- }
-
- i915_gem_clflush_object(fbo);
-
- fb = intel_framebuffer_create(dev, &mode_cmd, fbo);
- if (!fb) {
- DRM_ERROR("failed to allocate fb.\n");
- ret = -ENOMEM;
- goto out_unref;
- }
-
- list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list);
-
- intel_fb = to_intel_framebuffer(fb);
- *intel_fb_p = intel_fb;
-
- info = framebuffer_alloc(sizeof(struct intelfb_par), device);
- if (!info) {
- ret = -ENOMEM;
- goto out_unref;
- }
-
- par = info->par;
-
- strcpy(info->fix.id, "inteldrmfb");
- info->fix.type = FB_TYPE_PACKED_PIXELS;
- info->fix.visual = FB_VISUAL_TRUECOLOR;
- info->fix.type_aux = 0;
- info->fix.xpanstep = 1; /* doing it in hw */
- info->fix.ypanstep = 1; /* doing it in hw */
- info->fix.ywrapstep = 0;
- info->fix.accel = FB_ACCEL_I830;
- info->fix.type_aux = 0;
-
- info->flags = FBINFO_DEFAULT;
-
- info->fbops = &intelfb_ops;
-
- info->fix.line_length = fb->pitch;
- info->fix.smem_start = dev->mode_config.fb_base + obj_priv->gtt_offset;
- info->fix.smem_len = size;
-
- info->flags = FBINFO_DEFAULT;
-
- info->screen_base = ioremap_wc(dev->agp->base + obj_priv->gtt_offset,
- size);
- if (!info->screen_base) {
- ret = -ENOSPC;
- goto out_unref;
- }
- info->screen_size = size;
-
- memset(info->screen_base, 0, size);
-
- 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.xres = fb_width;
- info->var.yres = fb_height;
-
- if (IS_I9XX(dev)) {
- info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
- info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
- } else {
- info->fix.mmio_start = pci_resource_start(dev->pdev, 1);
- info->fix.mmio_len = pci_resource_len(dev->pdev, 1);
- }
-
- 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 8:
- info->var.red.offset = 0;
- info->var.green.offset = 0;
- info->var.blue.offset = 0;
- info->var.red.length = 8; /* 8bit DAC */
- info->var.green.length = 8;
- info->var.blue.length = 8;
- info->var.transp.offset = 0;
- info->var.transp.length = 0;
- break;
- case 15:
- info->var.red.offset = 10;
- info->var.green.offset = 5;
- info->var.blue.offset = 0;
- info->var.red.length = 5;
- info->var.green.length = 5;
- 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 = 8;
- info->var.green.length = 8;
- 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 = 8;
- info->var.green.length = 8;
- info->var.blue.length = 8;
- info->var.transp.offset = 24;
- info->var.transp.length = 8;
- break;
- default:
- break;
- }
-
- fb->fbdev = info;
-
- par->intel_fb = intel_fb;
- par->dev = dev;
-
- /* To allow resizeing without swapping buffers */
- printk("allocated %dx%d fb: 0x%08x, bo %p\n", intel_fb->base.width,
- intel_fb->base.height, obj_priv->gtt_offset, fbo);
-
- mutex_unlock(&dev->struct_mutex);
- return 0;
-
-out_unref:
- drm_gem_object_unreference(fbo);
- mutex_unlock(&dev->struct_mutex);
-out:
- return ret;
-}
-
-static int intelfb_multi_fb_probe_crtc(struct drm_device *dev, struct drm_crtc *crtc)
-{
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_framebuffer *intel_fb;
- struct drm_framebuffer *fb;
- struct drm_connector *connector;
- struct fb_info *info;
- struct intelfb_par *par;
- struct drm_mode_set *modeset;
- unsigned int width, height;
- int new_fb = 0;
- int ret, i, conn_count;
-
- if (!drm_helper_crtc_in_use(crtc))
- return 0;
-
- if (!crtc->desired_mode)
- return 0;
-
- width = crtc->desired_mode->hdisplay;
- height = crtc->desired_mode->vdisplay;
-
- /* is there an fb bound to this crtc already */
- if (!intel_crtc->mode_set.fb) {
- ret = intelfb_create(dev, width, height, width, height, &intel_fb);
- if (ret)
- return -EINVAL;
- new_fb = 1;
- } else {
- fb = intel_crtc->mode_set.fb;
- intel_fb = to_intel_framebuffer(fb);
- if ((intel_fb->base.width < width) || (intel_fb->base.height < height))
- return -EINVAL;
- }
-
- info = intel_fb->base.fbdev;
- par = info->par;
-
- modeset = &intel_crtc->mode_set;
- modeset->fb = &intel_fb->base;
- conn_count = 0;
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder)
- if (connector->encoder->crtc == modeset->crtc) {
- modeset->connectors[conn_count] = connector;
- conn_count++;
- if (conn_count > INTELFB_CONN_LIMIT)
- BUG();
- }
- }
-
- for (i = conn_count; i < INTELFB_CONN_LIMIT; i++)
- modeset->connectors[i] = NULL;
-
- par->crtc_ids[0] = crtc->base.id;
-
- modeset->num_connectors = conn_count;
- if (modeset->mode != modeset->crtc->desired_mode)
- modeset->mode = modeset->crtc->desired_mode;
-
- par->crtc_count = 1;
-
- if (new_fb) {
- info->var.pixclock = -1;
- if (register_framebuffer(info) < 0)
- return -EINVAL;
- } else
- intelfb_set_par(info);
-
- printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node,
- info->fix.id);
-
- /* Switch back to kernel console on panic */
- panic_mode = *modeset;
- atomic_notifier_chain_register(&panic_notifier_list, &paniced);
- printk(KERN_INFO "registered panic notifier\n");
-
- return 0;
-}
-
-static int intelfb_multi_fb_probe(struct drm_device *dev)
-{
-
- struct drm_crtc *crtc;
- int ret = 0;
-
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- ret = intelfb_multi_fb_probe_crtc(dev, crtc);
- if (ret)
- return ret;
- }
- return ret;
-}
-
-static int intelfb_single_fb_probe(struct drm_device *dev)
-{
- struct drm_crtc *crtc;
- struct drm_connector *connector;
- unsigned int fb_width = (unsigned)-1, fb_height = (unsigned)-1;
- unsigned int surface_width = 0, surface_height = 0;
- int new_fb = 0;
- int crtc_count = 0;
- int ret, i, conn_count = 0;
- struct intel_framebuffer *intel_fb;
- struct fb_info *info;
- struct intelfb_par *par;
- struct drm_mode_set *modeset = NULL;
-
- DRM_DEBUG("\n");
- /* first up get a count of crtcs now in use and new min/maxes width/heights */
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- if (drm_helper_crtc_in_use(crtc)) {
- if (crtc->desired_mode) {
- if (crtc->desired_mode->hdisplay < fb_width)
- fb_width = crtc->desired_mode->hdisplay;
-
- if (crtc->desired_mode->vdisplay < fb_height)
- fb_height = crtc->desired_mode->vdisplay;
-
- if (crtc->desired_mode->hdisplay > surface_width)
- surface_width = crtc->desired_mode->hdisplay;
-
- if (crtc->desired_mode->vdisplay > surface_height)
- surface_height = crtc->desired_mode->vdisplay;
-
- }
- crtc_count++;
- }
- }
-
- if (crtc_count == 0 || fb_width == -1 || fb_height == -1) {
- /* hmm everyone went away - assume VGA cable just fell out
- and will come back later. */
- return 0;
- }
-
- /* do we have an fb already? */
- if (list_empty(&dev->mode_config.fb_kernel_list)) {
- /* create an fb if we don't have one */
- ret = intelfb_create(dev, fb_width, fb_height, surface_width, surface_height, &intel_fb);
- if (ret)
- return -EINVAL;
- new_fb = 1;
- } else {
- struct drm_framebuffer *fb;
- fb = list_first_entry(&dev->mode_config.fb_kernel_list, struct drm_framebuffer, filp_head);
- intel_fb = to_intel_framebuffer(fb);
-
- /* if someone hotplugs something bigger than we have already allocated, we are pwned.
- As really we can't resize an fbdev that is in the wild currently due to fbdev
- not really being designed for the lower layers moving stuff around under it.
- - so in the grand style of things - punt. */
- if ((fb->width < surface_width) || (fb->height < surface_height)) {
- DRM_ERROR("Framebuffer not large enough to scale console onto.\n");
- return -EINVAL;
- }
- }
-
- info = intel_fb->base.fbdev;
- par = info->par;
-
- crtc_count = 0;
- /* okay we need to setup new connector sets in the crtcs */
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- modeset = &intel_crtc->mode_set;
- modeset->fb = &intel_fb->base;
- conn_count = 0;
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->encoder)
- if(connector->encoder->crtc == modeset->crtc) {
- modeset->connectors[conn_count] = connector;
- conn_count++;
- if (conn_count > INTELFB_CONN_LIMIT)
- BUG();
- }
- }
-
- for (i = conn_count; i < INTELFB_CONN_LIMIT; i++)
- modeset->connectors[i] = NULL;
-
- par->crtc_ids[crtc_count++] = crtc->base.id;
-
- modeset->num_connectors = conn_count;
- if (modeset->mode != modeset->crtc->desired_mode)
- modeset->mode = modeset->crtc->desired_mode;
- }
- par->crtc_count = crtc_count;
-
- if (new_fb) {
- info->var.pixclock = -1;
- if (register_framebuffer(info) < 0)
- return -EINVAL;
- } else
- intelfb_set_par(info);
-
- printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node,
- info->fix.id);
-
- /* Switch back to kernel console on panic */
- panic_mode = *modeset;
- atomic_notifier_chain_register(&panic_notifier_list, &paniced);
- printk(KERN_INFO "registered panic notifier\n");
-
- return 0;
-}
-
-int intelfb_probe(struct drm_device *dev)
-{
- int ret;
-
- DRM_DEBUG("\n");
-
- /* something has changed in the lower levels of hell - deal with it
- here */
-
- /* two modes : a) 1 fb to rule all crtcs.
- b) one fb per crtc.
- two actions 1) new connected device
- 2) device removed.
- case a/1 : if the fb surface isn't big enough - resize the surface fb.
- if the fb size isn't big enough - resize fb into surface.
- if everything big enough configure the new crtc/etc.
- case a/2 : undo the configuration
- possibly resize down the fb to fit the new configuration.
- case b/1 : see if it is on a new crtc - setup a new fb and add it.
- case b/2 : teardown the new fb.
- */
-
- /* mode a first */
- /* search for an fb */
- if (i915_fbpercrtc == 1) {
- ret = intelfb_multi_fb_probe(dev);
- } else {
- ret = intelfb_single_fb_probe(dev);
- }
-
- return ret;
-}
-EXPORT_SYMBOL(intelfb_probe);
-
-int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
-{
- struct fb_info *info;
- struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
-
- if (!fb)
- return -EINVAL;
-
- info = fb->fbdev;
-
- if (info) {
- unregister_framebuffer(info);
- iounmap(info->screen_base);
- mutex_lock(&dev->struct_mutex);
- drm_gem_object_unreference(intel_fb->base.mm_private);
- mutex_unlock(&dev->struct_mutex);
- framebuffer_release(info);
- }
-
- atomic_notifier_chain_unregister(&panic_notifier_list, &paniced);
- memset(&panic_mode, 0, sizeof(struct drm_mode_set));
- return 0;
-}
-EXPORT_SYMBOL(intelfb_remove);
-MODULE_LICENSE("GPL");