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-rw-r--r--linux-core/Makefile.kernel4
-rw-r--r--linux-core/drmP.h4
-rw-r--r--linux-core/drm_crtc.c15
-rw-r--r--linux-core/drm_fb.c6
-rw-r--r--linux-core/i915_drv.c3
-rw-r--r--linux-core/intel_display.c4
-rw-r--r--linux-core/intel_drv.h3
-rw-r--r--linux-core/intel_fb.c358
8 files changed, 381 insertions, 16 deletions
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index b9684d68..b4fe7fa8 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -14,14 +14,14 @@ drm-objs := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \
drm_memory_debug.o ati_pcigart.o drm_sman.o \
drm_hashtab.o drm_mm.o drm_object.o drm_compat.o \
drm_fence.o drm_ttm.o drm_bo.o drm_bo_move.o drm_crtc.o \
- drm_edid.o drm_modes.o drm_fb.o
+ drm_edid.o drm_modes.o
tdfx-objs := tdfx_drv.o
r128-objs := r128_drv.o r128_cce.o r128_state.o r128_irq.o
mga-objs := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
i810-objs := i810_drv.o i810_dma.o
i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_fence.o \
i915_buffer.o intel_display.o intel_crt.o intel_lvds.o \
- intel_sdvo.o intel_modes.o intel_i2c.o i915_init.o
+ intel_sdvo.o intel_modes.o intel_i2c.o i915_init.o intel_fb.o
nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o \
nouveau_object.o nouveau_irq.o \
nv04_timer.o \
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 377f447a..2417181d 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -661,6 +661,10 @@ struct drm_driver {
unsigned long (*get_reg_ofs) (struct drm_device * dev);
void (*set_version) (struct drm_device * dev, drm_set_version_t * sv);
+ /* FB routines, if present */
+ int (*fb_probe)(struct drm_device *dev, struct drm_framebuffer *fb);
+ int (*fb_remove)(struct drm_device *dev, struct drm_framebuffer *fb);
+
struct drm_fence_driver *fence_driver;
struct drm_bo_driver *bo_driver;
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
index 16cf62a7..26a1cf2f 100644
--- a/linux-core/drm_crtc.c
+++ b/linux-core/drm_crtc.c
@@ -910,10 +910,8 @@ bool drm_initial_config(drm_device_t *dev, bool can_grow)
/* FB config is max of above desired resolutions */
/* FIXME: per-output FBs/CRTCs */
- if (des_mode->hdisplay > fb->width) {
+ if (des_mode->hdisplay > fb->width)
fb->width = des_mode->hdisplay;
- fb->pitch = fb->width;
- }
if (des_mode->vdisplay > fb->height)
fb->height = des_mode->vdisplay;
}
@@ -921,6 +919,7 @@ bool drm_initial_config(drm_device_t *dev, bool can_grow)
/* FIXME: multiple depths */
bytes_per_pixel = 4;
fb->bits_per_pixel = bytes_per_pixel * 8;
+ fb->pitch = fb->width * ((fb->bits_per_pixel + 1) / 8);
fb->depth = bytes_per_pixel * 8;
size = fb->width * fb->height * bytes_per_pixel;
drm_buffer_object_create(dev, size, drm_bo_type_kernel,
@@ -932,7 +931,7 @@ bool drm_initial_config(drm_device_t *dev, bool can_grow)
fb->height, fbo->offset, fbo);
fb->offset = fbo->offset;
fb->bo = fbo;
- drmfb_probe(dev, fb);
+ dev->driver->fb_probe(dev, fb);
return false;
}
@@ -964,7 +963,7 @@ void drm_mode_config_cleanup(drm_device_t *dev)
}
list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
- drmfb_remove(dev, fb);
+ dev->driver->fb_remove(dev, fb);
/* If this FB was the kernel one, free it */
if (fb->bo->type == drm_bo_type_kernel) {
mutex_lock(&dev->struct_mutex);
@@ -1528,7 +1527,7 @@ int drm_mode_addfb(struct inode *inode, struct file *filp,
if (copy_to_user(argp, &r, sizeof(r)))
return -EFAULT;
- drmfb_probe(dev, fb);
+ dev->driver->fb_probe(dev, fb);
return 0;
}
@@ -1564,7 +1563,7 @@ int drm_mode_rmfb(struct inode *inode, struct file *filp,
return -EINVAL;
}
- drmfb_remove(dev, fb);
+ dev->driver->fb_remove(dev, fb);
/* TODO check if we own the buffer */
/* TODO release all crtc connected to the framebuffer */
/* bind the fb to the crtc for now */
@@ -1645,7 +1644,7 @@ void drm_fb_release(struct file *filp)
list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
list_del(&fb->filp_head);
- drmfb_remove(dev, fb);
+ dev->driver->fb_remove(dev, fb);
drm_framebuffer_destroy(fb);
}
diff --git a/linux-core/drm_fb.c b/linux-core/drm_fb.c
index ef05341a..1eb31952 100644
--- a/linux-core/drm_fb.c
+++ b/linux-core/drm_fb.c
@@ -106,8 +106,6 @@ 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);
@@ -126,7 +124,7 @@ int drmfb_probe(struct drm_device *dev, struct drm_framebuffer *fb)
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.smem_len = fb->bo->mem.size;
info->fix.type = FB_TYPE_PACKED_PIXELS;
info->fix.visual = FB_VISUAL_DIRECTCOLOR;
info->fix.accel = FB_ACCEL_NONE;
@@ -142,7 +140,7 @@ int drmfb_probe(struct drm_device *dev, struct drm_framebuffer *fb)
DRM_ERROR("error mapping fb: %d\n", ret);
info->screen_base = fb->virtual_base;
- info->screen_size = size;
+ info->screen_size = fb->bo->mem.size;
info->pseudo_palette = fb->pseudo_palette;
info->var.xres = fb->width;
info->var.xres_virtual = fb->pitch;
diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c
index 50ff9771..ecf42771 100644
--- a/linux-core/i915_drv.c
+++ b/linux-core/i915_drv.c
@@ -30,6 +30,7 @@
#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
+#include "intel_drv.h"
#include "i915_drv.h"
#include "drm_pciids.h"
@@ -92,6 +93,8 @@ static struct drm_driver driver = {
.reclaim_buffers = drm_core_reclaim_buffers,
.get_map_ofs = drm_core_get_map_ofs,
.get_reg_ofs = drm_core_get_reg_ofs,
+ .fb_probe = intelfb_probe,
+ .fb_remove = intelfb_remove,
.ioctls = i915_ioctls,
.fops = {
.owner = THIS_MODULE,
diff --git a/linux-core/intel_display.c b/linux-core/intel_display.c
index 7d581175..be2db912 100644
--- a/linux-core/intel_display.c
+++ b/linux-core/intel_display.c
@@ -370,7 +370,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y)
int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
Start = crtc->fb->offset;
- Offset = ((y * crtc->fb->pitch + x) * (crtc->fb->bits_per_pixel / 8));
+ Offset = y * crtc->fb->pitch + x;
DRM_DEBUG("Writing base %08lX %08lX %d %d\n", Start, Offset, x, y);
if (IS_I965G(dev)) {
@@ -911,7 +911,7 @@ static void intel_crtc_mode_set(struct drm_crtc *crtc,
((adjusted_mode->crtc_vblank_end - 1) << 16));
I915_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
((adjusted_mode->crtc_vsync_end - 1) << 16));
- I915_WRITE(dspstride_reg, crtc->fb->pitch * (crtc->fb->bits_per_pixel / 8));
+ I915_WRITE(dspstride_reg, crtc->fb->pitch);
/* pipesrc and dspsize control the size that is scaled from, which should
* always be the user's requested size.
*/
diff --git a/linux-core/intel_drv.h b/linux-core/intel_drv.h
index aa33437d..91112ff5 100644
--- a/linux-core/intel_drv.h
+++ b/linux-core/intel_drv.h
@@ -76,4 +76,7 @@ extern struct drm_display_mode *intel_crtc_mode_get(drm_device_t *dev,
extern void intel_wait_for_vblank(drm_device_t *dev);
extern struct drm_crtc *intel_get_crtc_from_pipe(drm_device_t *dev, int pipe);
+extern int intelfb_probe(struct drm_device *dev, struct drm_framebuffer *fb);
+extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
+
#endif /* __INTEL_DRV_H__ */
diff --git a/linux-core/intel_fb.c b/linux-core/intel_fb.c
new file mode 100644
index 00000000..267b4fd6
--- /dev/null
+++ b/linux-core/intel_fb.c
@@ -0,0 +1,358 @@
+/*
+ * 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 "i915_drm.h"
+#include "i915_drv.h"
+
+struct intelfb_par {
+ struct drm_device *dev;
+ struct drm_framebuffer *fb;
+};
+
+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_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 intelfb_set_par(struct fb_info *info)
+{
+ struct intelfb_par *par = info->par;
+ struct drm_device *dev = par->dev;
+
+ drm_set_desired_modes(dev);
+ return 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();
+}
+
+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_set_par = intelfb_set_par,
+ .fb_setcolreg = intelfb_setcolreg,
+ .fb_fillrect = cfb_fillrect,
+ .fb_copyarea = cfb_copyarea, //intelfb_copyarea,
+ .fb_imageblit = intelfb_imageblit,
+};
+
+int intelfb_probe(struct drm_device *dev, struct drm_framebuffer *fb)
+{
+ struct fb_info *info;
+ struct intelfb_par *par;
+ struct device *device = &dev->pdev->dev;
+ int ret;
+
+ info = framebuffer_alloc(sizeof(struct intelfb_par), device);
+ if (!info){
+ return -EINVAL;
+ }
+
+ fb->fbdev = info;
+
+ par = info->par;
+
+ par->dev = dev;
+ par->fb = fb;
+
+ info->fbops = &intelfb_ops;
+
+ strcpy(info->fix.id, "intelfb");
+ info->fix.smem_start = fb->offset + dev->mode_config.fb_base;
+ info->fix.smem_len = fb->bo->mem.size;
+ info->fix.type = FB_TYPE_PACKED_PIXELS;
+ info->fix.type_aux = 0;
+ info->fix.xpanstep = 8;
+ info->fix.ypanstep = 1;
+ info->fix.ywrapstep = 0;
+ info->fix.visual = FB_VISUAL_DIRECTCOLOR;
+ info->fix.accel = FB_ACCEL_I830;
+ info->fix.type_aux = 0;
+ info->fix.mmio_start = 0;
+ info->fix.mmio_len = 0;
+ info->fix.line_length = fb->pitch;
+
+ 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 = fb->bo->mem.size;
+ info->pseudo_palette = fb->pseudo_palette;
+ info->var.xres = fb->width;
+ info->var.xres_virtual = fb->width;
+ 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;
+
+ 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:
+ 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(intelfb_probe);
+
+int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
+{
+ struct fb_info *info = fb->fbdev;
+
+ if (info) {
+ unregister_framebuffer(info);
+ framebuffer_release(info);
+ drm_mem_reg_iounmap(dev, &fb->bo->mem, fb->virtual_base);
+ }
+ return 0;
+}
+EXPORT_SYMBOL(intelfb_remove);
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 16:45:50 +0000