mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-19 00:55:18 +00:00
0e83f46d38
These gotos were swapped. In the original code, the first would result in a NULL dereference and the second would result in a memory leak. Signed-off-by: Dan Carpenter <error27@gmail.com> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
842 lines
20 KiB
C
842 lines
20 KiB
C
/**************************************************************************
|
|
* Copyright (c) 2007, Intel Corporation.
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
**************************************************************************/
|
|
|
|
#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 <linux/console.h>
|
|
|
|
#include <drm/drmP.h>
|
|
#include <drm/drm.h>
|
|
#include <drm/drm_crtc.h>
|
|
|
|
#include "psb_drv.h"
|
|
#include "psb_intel_reg.h"
|
|
#include "psb_intel_drv.h"
|
|
#include "psb_ttm_userobj_api.h"
|
|
#include "psb_fb.h"
|
|
#include "psb_sgx.h"
|
|
#include "psb_pvr_glue.h"
|
|
|
|
static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb);
|
|
static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
|
|
struct drm_file *file_priv,
|
|
unsigned int *handle);
|
|
|
|
static const struct drm_framebuffer_funcs psb_fb_funcs = {
|
|
.destroy = psb_user_framebuffer_destroy,
|
|
.create_handle = psb_user_framebuffer_create_handle,
|
|
};
|
|
|
|
#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16)
|
|
|
|
void *psbfb_vdc_reg(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv;
|
|
dev_priv = (struct drm_psb_private *) dev->dev_private;
|
|
return dev_priv->vdc_reg;
|
|
}
|
|
/*EXPORT_SYMBOL(psbfb_vdc_reg); */
|
|
|
|
static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green,
|
|
unsigned blue, unsigned transp,
|
|
struct fb_info *info)
|
|
{
|
|
struct psb_fbdev *fbdev = info->par;
|
|
struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
|
|
uint32_t v;
|
|
|
|
if (!fb)
|
|
return -ENOMEM;
|
|
|
|
if (regno > 255)
|
|
return 1;
|
|
|
|
red = CMAP_TOHW(red, info->var.red.length);
|
|
blue = CMAP_TOHW(blue, info->var.blue.length);
|
|
green = CMAP_TOHW(green, info->var.green.length);
|
|
transp = CMAP_TOHW(transp, info->var.transp.length);
|
|
|
|
v = (red << info->var.red.offset) |
|
|
(green << info->var.green.offset) |
|
|
(blue << info->var.blue.offset) |
|
|
(transp << info->var.transp.offset);
|
|
|
|
if (regno < 16) {
|
|
switch (fb->bits_per_pixel) {
|
|
case 16:
|
|
((uint32_t *) info->pseudo_palette)[regno] = v;
|
|
break;
|
|
case 24:
|
|
case 32:
|
|
((uint32_t *) info->pseudo_palette)[regno] = v;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int psbfb_kms_off(struct drm_device *dev, int suspend)
|
|
{
|
|
struct drm_framebuffer *fb = 0;
|
|
struct psb_framebuffer *psbfb = to_psb_fb(fb);
|
|
DRM_DEBUG("psbfb_kms_off_ioctl\n");
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
|
|
struct fb_info *info = psbfb->fbdev;
|
|
|
|
if (suspend) {
|
|
fb_set_suspend(info, 1);
|
|
drm_fb_helper_blank(FB_BLANK_POWERDOWN, info);
|
|
}
|
|
}
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return 0;
|
|
}
|
|
|
|
int psbfb_kms_off_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
int ret;
|
|
|
|
if (drm_psb_no_fb)
|
|
return 0;
|
|
console_lock();
|
|
ret = psbfb_kms_off(dev, 0);
|
|
console_unlock();
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int psbfb_kms_on(struct drm_device *dev, int resume)
|
|
{
|
|
struct drm_framebuffer *fb = 0;
|
|
struct psb_framebuffer *psbfb = to_psb_fb(fb);
|
|
|
|
DRM_DEBUG("psbfb_kms_on_ioctl\n");
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
|
|
struct fb_info *info = psbfb->fbdev;
|
|
|
|
if (resume) {
|
|
fb_set_suspend(info, 0);
|
|
drm_fb_helper_blank(FB_BLANK_UNBLANK, info);
|
|
}
|
|
}
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int psbfb_kms_on_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
int ret;
|
|
|
|
if (drm_psb_no_fb)
|
|
return 0;
|
|
console_lock();
|
|
ret = psbfb_kms_on(dev, 0);
|
|
console_unlock();
|
|
drm_helper_disable_unused_functions(dev);
|
|
return ret;
|
|
}
|
|
|
|
void psbfb_suspend(struct drm_device *dev)
|
|
{
|
|
console_lock();
|
|
psbfb_kms_off(dev, 1);
|
|
console_unlock();
|
|
}
|
|
|
|
void psbfb_resume(struct drm_device *dev)
|
|
{
|
|
console_lock();
|
|
psbfb_kms_on(dev, 1);
|
|
console_unlock();
|
|
drm_helper_disable_unused_functions(dev);
|
|
}
|
|
|
|
static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
|
|
{
|
|
int page_num = 0;
|
|
int i;
|
|
unsigned long address = 0;
|
|
int ret;
|
|
unsigned long pfn;
|
|
struct psb_framebuffer *psbfb = vma->vm_private_data;
|
|
struct drm_device *dev = psbfb->base.dev;
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
struct psb_gtt *pg = dev_priv->pg;
|
|
unsigned long phys_addr = (unsigned long)pg->stolen_base;;
|
|
|
|
page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
|
|
|
|
address = (unsigned long)vmf->virtual_address;
|
|
|
|
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
|
|
|
|
for (i = 0; i < page_num; i++) {
|
|
pfn = (phys_addr >> PAGE_SHIFT); /* phys_to_pfn(phys_addr); */
|
|
|
|
ret = vm_insert_mixed(vma, address, pfn);
|
|
if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0)))
|
|
break;
|
|
else if (unlikely(ret != 0)) {
|
|
ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
|
|
return ret;
|
|
}
|
|
|
|
address += PAGE_SIZE;
|
|
phys_addr += PAGE_SIZE;
|
|
}
|
|
|
|
return VM_FAULT_NOPAGE;
|
|
}
|
|
|
|
static void psbfb_vm_open(struct vm_area_struct *vma)
|
|
{
|
|
DRM_DEBUG("vm_open\n");
|
|
}
|
|
|
|
static void psbfb_vm_close(struct vm_area_struct *vma)
|
|
{
|
|
DRM_DEBUG("vm_close\n");
|
|
}
|
|
|
|
static struct vm_operations_struct psbfb_vm_ops = {
|
|
.fault = psbfb_vm_fault,
|
|
.open = psbfb_vm_open,
|
|
.close = psbfb_vm_close
|
|
};
|
|
|
|
static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
|
|
{
|
|
struct psb_fbdev *fbdev = info->par;
|
|
struct psb_framebuffer *psbfb = fbdev->pfb;
|
|
char *fb_screen_base = NULL;
|
|
struct drm_device *dev = psbfb->base.dev;
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
struct psb_gtt *pg = dev_priv->pg;
|
|
|
|
if (vma->vm_pgoff != 0)
|
|
return -EINVAL;
|
|
if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
|
|
return -EINVAL;
|
|
|
|
if (!psbfb->addr_space)
|
|
psbfb->addr_space = vma->vm_file->f_mapping;
|
|
|
|
fb_screen_base = (char *)info->screen_base;
|
|
|
|
DRM_DEBUG("vm_pgoff 0x%lx, screen base %p vram_addr %p\n",
|
|
vma->vm_pgoff, fb_screen_base, pg->vram_addr);
|
|
|
|
/*if using stolen memory, */
|
|
if (fb_screen_base == pg->vram_addr) {
|
|
vma->vm_ops = &psbfb_vm_ops;
|
|
vma->vm_private_data = (void *)psbfb;
|
|
vma->vm_flags |= VM_RESERVED | VM_IO |
|
|
VM_MIXEDMAP | VM_DONTEXPAND;
|
|
} else {
|
|
/*using IMG meminfo, can I use pvrmmap to map it?*/
|
|
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static struct fb_ops psbfb_ops = {
|
|
.owner = THIS_MODULE,
|
|
.fb_check_var = drm_fb_helper_check_var,
|
|
.fb_set_par = drm_fb_helper_set_par,
|
|
.fb_blank = drm_fb_helper_blank,
|
|
.fb_setcolreg = psbfb_setcolreg,
|
|
.fb_fillrect = psbfb_fillrect,
|
|
.fb_copyarea = psbfb_copyarea,
|
|
.fb_imageblit = psbfb_imageblit,
|
|
.fb_mmap = psbfb_mmap,
|
|
.fb_sync = psbfb_sync,
|
|
};
|
|
|
|
static struct drm_framebuffer *psb_framebuffer_create
|
|
(struct drm_device *dev, struct drm_mode_fb_cmd *r,
|
|
void *mm_private)
|
|
{
|
|
struct psb_framebuffer *fb;
|
|
int ret;
|
|
|
|
fb = kzalloc(sizeof(*fb), GFP_KERNEL);
|
|
if (!fb)
|
|
return NULL;
|
|
|
|
ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs);
|
|
|
|
if (ret)
|
|
goto err;
|
|
|
|
drm_helper_mode_fill_fb_struct(&fb->base, r);
|
|
|
|
fb->bo = mm_private;
|
|
|
|
return &fb->base;
|
|
|
|
err:
|
|
kfree(fb);
|
|
return NULL;
|
|
}
|
|
|
|
static struct drm_framebuffer *psb_user_framebuffer_create
|
|
(struct drm_device *dev, struct drm_file *filp,
|
|
struct drm_mode_fb_cmd *r)
|
|
{
|
|
struct ttm_buffer_object *bo = NULL;
|
|
uint64_t size;
|
|
|
|
bo = ttm_buffer_object_lookup(psb_fpriv(filp)->tfile, r->handle);
|
|
if (!bo)
|
|
return NULL;
|
|
|
|
/* JB: TODO not drop, make smarter */
|
|
size = ((uint64_t) bo->num_pages) << PAGE_SHIFT;
|
|
if (size < r->width * r->height * 4)
|
|
return NULL;
|
|
|
|
/* JB: TODO not drop, refcount buffer */
|
|
return psb_framebuffer_create(dev, r, bo);
|
|
|
|
#if 0
|
|
struct psb_framebuffer *psbfb;
|
|
struct drm_framebuffer *fb;
|
|
struct fb_info *info;
|
|
void *psKernelMemInfo = NULL;
|
|
void * hKernelMemInfo = (void *)r->handle;
|
|
struct drm_psb_private *dev_priv
|
|
= (struct drm_psb_private *)dev->dev_private;
|
|
struct psb_fbdev *fbdev = dev_priv->fbdev;
|
|
struct psb_gtt *pg = dev_priv->pg;
|
|
int ret;
|
|
uint32_t offset;
|
|
uint64_t size;
|
|
|
|
ret = psb_get_meminfo_by_handle(hKernelMemInfo, &psKernelMemInfo);
|
|
if (ret) {
|
|
DRM_ERROR("Cannot get meminfo for handle 0x%x\n",
|
|
(u32)hKernelMemInfo);
|
|
return NULL;
|
|
}
|
|
|
|
DRM_DEBUG("Got Kernel MemInfo for handle %lx\n",
|
|
(u32)hKernelMemInfo);
|
|
|
|
/* JB: TODO not drop, make smarter */
|
|
size = psKernelMemInfo->ui32AllocSize;
|
|
if (size < r->height * r->pitch)
|
|
return NULL;
|
|
|
|
/* JB: TODO not drop, refcount buffer */
|
|
/* return psb_framebuffer_create(dev, r, bo); */
|
|
|
|
fb = psb_framebuffer_create(dev, r, (void *)psKernelMemInfo);
|
|
if (!fb) {
|
|
DRM_ERROR("failed to allocate fb.\n");
|
|
return NULL;
|
|
}
|
|
|
|
psbfb = to_psb_fb(fb);
|
|
psbfb->size = size;
|
|
psbfb->hKernelMemInfo = hKernelMemInfo;
|
|
|
|
DRM_DEBUG("Mapping to gtt..., KernelMemInfo %p\n", psKernelMemInfo);
|
|
|
|
/*if not VRAM, map it into tt aperture*/
|
|
if (psKernelMemInfo->pvLinAddrKM != pg->vram_addr) {
|
|
ret = psb_gtt_map_meminfo(dev, hKernelMemInfo, &offset);
|
|
if (ret) {
|
|
DRM_ERROR("map meminfo for 0x%x failed\n",
|
|
(u32)hKernelMemInfo);
|
|
return NULL;
|
|
}
|
|
psbfb->offset = (offset << PAGE_SHIFT);
|
|
} else {
|
|
psbfb->offset = 0;
|
|
}
|
|
info = framebuffer_alloc(0, &dev->pdev->dev);
|
|
if (!info)
|
|
return NULL;
|
|
|
|
strcpy(info->fix.id, "psbfb");
|
|
|
|
info->flags = FBINFO_DEFAULT;
|
|
info->fix.accel = FB_ACCEL_I830; /*FIXMEAC*/
|
|
info->fbops = &psbfb_ops;
|
|
|
|
info->fix.smem_start = dev->mode_config.fb_base;
|
|
info->fix.smem_len = size;
|
|
|
|
info->screen_base = psKernelMemInfo->pvLinAddrKM;
|
|
info->screen_size = size;
|
|
|
|
drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
|
|
drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
|
|
fb->width, fb->height);
|
|
|
|
info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
|
|
info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
|
|
|
|
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;
|
|
|
|
psbfb->fbdev = info;
|
|
fbdev->pfb = psbfb;
|
|
|
|
fbdev->psb_fb_helper.fb = fb;
|
|
fbdev->psb_fb_helper.fbdev = info;
|
|
MRSTLFBHandleChangeFB(dev, psbfb);
|
|
|
|
return fb;
|
|
#endif
|
|
}
|
|
|
|
static int psbfb_create(struct psb_fbdev *fbdev,
|
|
struct drm_fb_helper_surface_size *sizes)
|
|
{
|
|
struct drm_device *dev = fbdev->psb_fb_helper.dev;
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
struct psb_gtt *pg = dev_priv->pg;
|
|
struct fb_info *info;
|
|
struct drm_framebuffer *fb;
|
|
struct psb_framebuffer *psbfb;
|
|
struct drm_mode_fb_cmd mode_cmd;
|
|
struct device *device = &dev->pdev->dev;
|
|
|
|
struct ttm_buffer_object *fbo = NULL;
|
|
int size, aligned_size;
|
|
int ret;
|
|
|
|
mode_cmd.width = sizes->surface_width;
|
|
mode_cmd.height = sizes->surface_height;
|
|
|
|
mode_cmd.bpp = 32;
|
|
/* HW requires pitch to be 64 byte aligned */
|
|
mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 1) / 8), 64);
|
|
mode_cmd.depth = 24;
|
|
|
|
size = mode_cmd.pitch * mode_cmd.height;
|
|
aligned_size = ALIGN(size, PAGE_SIZE);
|
|
|
|
mutex_lock(&dev->struct_mutex);
|
|
fb = psb_framebuffer_create(dev, &mode_cmd, fbo);
|
|
if (!fb) {
|
|
DRM_ERROR("failed to allocate fb.\n");
|
|
ret = -ENOMEM;
|
|
goto out_err1;
|
|
}
|
|
psbfb = to_psb_fb(fb);
|
|
psbfb->size = size;
|
|
|
|
info = framebuffer_alloc(sizeof(struct psb_fbdev), device);
|
|
if (!info) {
|
|
ret = -ENOMEM;
|
|
goto out_err0;
|
|
}
|
|
|
|
info->par = fbdev;
|
|
|
|
psbfb->fbdev = info;
|
|
|
|
fbdev->psb_fb_helper.fb = fb;
|
|
fbdev->psb_fb_helper.fbdev = info;
|
|
fbdev->pfb = psbfb;
|
|
|
|
strcpy(info->fix.id, "psbfb");
|
|
|
|
info->flags = FBINFO_DEFAULT;
|
|
info->fbops = &psbfb_ops;
|
|
info->fix.smem_start = dev->mode_config.fb_base;
|
|
info->fix.smem_len = size;
|
|
info->screen_base = (char *)pg->vram_addr;
|
|
info->screen_size = size;
|
|
memset(info->screen_base, 0, size);
|
|
|
|
drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
|
|
drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
|
|
sizes->fb_width, sizes->fb_height);
|
|
|
|
info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
|
|
info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
|
|
|
|
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);
|
|
|
|
printk(KERN_INFO"allocated %dx%d fb\n",
|
|
psbfb->base.width, psbfb->base.height);
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return 0;
|
|
out_err0:
|
|
fb->funcs->destroy(fb);
|
|
out_err1:
|
|
mutex_unlock(&dev->struct_mutex);
|
|
return ret;
|
|
}
|
|
|
|
static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
|
|
u16 blue, int regno)
|
|
{
|
|
DRM_DEBUG("%s\n", __func__);
|
|
}
|
|
|
|
static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red,
|
|
u16 *green, u16 *blue, int regno)
|
|
{
|
|
DRM_DEBUG("%s\n", __func__);
|
|
}
|
|
|
|
static int psbfb_probe(struct drm_fb_helper *helper,
|
|
struct drm_fb_helper_surface_size *sizes)
|
|
{
|
|
struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper;
|
|
int new_fb = 0;
|
|
int ret;
|
|
|
|
DRM_DEBUG("%s\n", __func__);
|
|
|
|
if (!helper->fb) {
|
|
ret = psbfb_create(psb_fbdev, sizes);
|
|
if (ret)
|
|
return ret;
|
|
new_fb = 1;
|
|
}
|
|
return new_fb;
|
|
}
|
|
|
|
struct drm_fb_helper_funcs psb_fb_helper_funcs = {
|
|
.gamma_set = psbfb_gamma_set,
|
|
.gamma_get = psbfb_gamma_get,
|
|
.fb_probe = psbfb_probe,
|
|
};
|
|
|
|
int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev)
|
|
{
|
|
struct fb_info *info;
|
|
struct psb_framebuffer *psbfb = fbdev->pfb;
|
|
|
|
if (fbdev->psb_fb_helper.fbdev) {
|
|
info = fbdev->psb_fb_helper.fbdev;
|
|
unregister_framebuffer(info);
|
|
iounmap(info->screen_base);
|
|
framebuffer_release(info);
|
|
}
|
|
|
|
drm_fb_helper_fini(&fbdev->psb_fb_helper);
|
|
|
|
drm_framebuffer_cleanup(&psbfb->base);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int psb_fbdev_init(struct drm_device *dev)
|
|
{
|
|
struct psb_fbdev *fbdev;
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
int num_crtc;
|
|
|
|
fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL);
|
|
if (!fbdev) {
|
|
DRM_ERROR("no memory\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
dev_priv->fbdev = fbdev;
|
|
fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs;
|
|
|
|
num_crtc = 2;
|
|
|
|
drm_fb_helper_init(dev, &fbdev->psb_fb_helper, num_crtc,
|
|
INTELFB_CONN_LIMIT);
|
|
|
|
drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper);
|
|
drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32);
|
|
return 0;
|
|
}
|
|
|
|
void psb_fbdev_fini(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
|
|
if (!dev_priv->fbdev)
|
|
return;
|
|
|
|
psb_fbdev_destroy(dev, dev_priv->fbdev);
|
|
kfree(dev_priv->fbdev);
|
|
dev_priv->fbdev = NULL;
|
|
}
|
|
|
|
|
|
static void psbfb_output_poll_changed(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv = dev->dev_private;
|
|
struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev;
|
|
drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper);
|
|
}
|
|
|
|
int psbfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
|
|
{
|
|
struct fb_info *info;
|
|
struct psb_framebuffer *psbfb = to_psb_fb(fb);
|
|
|
|
if (drm_psb_no_fb)
|
|
return 0;
|
|
|
|
info = psbfb->fbdev;
|
|
psbfb->pvrBO = NULL;
|
|
|
|
if (info)
|
|
framebuffer_release(info);
|
|
return 0;
|
|
}
|
|
/*EXPORT_SYMBOL(psbfb_remove); */
|
|
|
|
static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
|
|
struct drm_file *file_priv,
|
|
unsigned int *handle)
|
|
{
|
|
/* JB: TODO currently we can't go from a bo to a handle with ttm */
|
|
(void) file_priv;
|
|
*handle = 0;
|
|
return 0;
|
|
}
|
|
|
|
static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb)
|
|
{
|
|
struct drm_device *dev = fb->dev;
|
|
struct psb_framebuffer *psbfb = to_psb_fb(fb);
|
|
|
|
/*ummap gtt pages*/
|
|
psb_gtt_unmap_meminfo(dev, psbfb->hKernelMemInfo);
|
|
if (psbfb->fbdev)
|
|
psbfb_remove(dev, fb);
|
|
|
|
/* JB: TODO not drop, refcount buffer */
|
|
drm_framebuffer_cleanup(fb);
|
|
kfree(fb);
|
|
}
|
|
|
|
static const struct drm_mode_config_funcs psb_mode_funcs = {
|
|
.fb_create = psb_user_framebuffer_create,
|
|
.output_poll_changed = psbfb_output_poll_changed,
|
|
};
|
|
|
|
static int psb_create_backlight_property(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv
|
|
= (struct drm_psb_private *) dev->dev_private;
|
|
struct drm_property *backlight;
|
|
|
|
if (dev_priv->backlight_property)
|
|
return 0;
|
|
|
|
backlight = drm_property_create(dev,
|
|
DRM_MODE_PROP_RANGE,
|
|
"backlight",
|
|
2);
|
|
backlight->values[0] = 0;
|
|
backlight->values[1] = 100;
|
|
|
|
dev_priv->backlight_property = backlight;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void psb_setup_outputs(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv =
|
|
(struct drm_psb_private *) dev->dev_private;
|
|
struct drm_connector *connector;
|
|
|
|
PSB_DEBUG_ENTRY("\n");
|
|
|
|
drm_mode_create_scaling_mode_property(dev);
|
|
|
|
psb_create_backlight_property(dev);
|
|
|
|
psb_intel_lvds_init(dev, &dev_priv->mode_dev);
|
|
/* psb_intel_sdvo_init(dev, SDVOB); */
|
|
|
|
list_for_each_entry(connector, &dev->mode_config.connector_list,
|
|
head) {
|
|
struct psb_intel_output *psb_intel_output =
|
|
to_psb_intel_output(connector);
|
|
struct drm_encoder *encoder = &psb_intel_output->enc;
|
|
int crtc_mask = 0, clone_mask = 0;
|
|
|
|
/* valid crtcs */
|
|
switch (psb_intel_output->type) {
|
|
case INTEL_OUTPUT_SDVO:
|
|
crtc_mask = ((1 << 0) | (1 << 1));
|
|
clone_mask = (1 << INTEL_OUTPUT_SDVO);
|
|
break;
|
|
case INTEL_OUTPUT_LVDS:
|
|
PSB_DEBUG_ENTRY("LVDS.\n");
|
|
crtc_mask = (1 << 1);
|
|
clone_mask = (1 << INTEL_OUTPUT_LVDS);
|
|
break;
|
|
case INTEL_OUTPUT_MIPI:
|
|
PSB_DEBUG_ENTRY("MIPI.\n");
|
|
crtc_mask = (1 << 0);
|
|
clone_mask = (1 << INTEL_OUTPUT_MIPI);
|
|
break;
|
|
case INTEL_OUTPUT_MIPI2:
|
|
PSB_DEBUG_ENTRY("MIPI2.\n");
|
|
crtc_mask = (1 << 2);
|
|
clone_mask = (1 << INTEL_OUTPUT_MIPI2);
|
|
break;
|
|
case INTEL_OUTPUT_HDMI:
|
|
PSB_DEBUG_ENTRY("HDMI.\n");
|
|
crtc_mask = (1 << 1);
|
|
clone_mask = (1 << INTEL_OUTPUT_HDMI);
|
|
break;
|
|
}
|
|
|
|
encoder->possible_crtcs = crtc_mask;
|
|
encoder->possible_clones =
|
|
psb_intel_connector_clones(dev, clone_mask);
|
|
|
|
}
|
|
}
|
|
|
|
static void *psb_bo_from_handle(struct drm_device *dev,
|
|
struct drm_file *file_priv,
|
|
unsigned int handle)
|
|
{
|
|
void *psKernelMemInfo = NULL;
|
|
void * hKernelMemInfo = (void *)handle;
|
|
int ret;
|
|
|
|
ret = psb_get_meminfo_by_handle(hKernelMemInfo, &psKernelMemInfo);
|
|
if (ret) {
|
|
DRM_ERROR("Cannot get meminfo for handle 0x%x\n",
|
|
(u32)hKernelMemInfo);
|
|
return NULL;
|
|
}
|
|
|
|
return (void *)psKernelMemInfo;
|
|
}
|
|
|
|
static size_t psb_bo_size(struct drm_device *dev, void *bof)
|
|
{
|
|
#if 0
|
|
void *psKernelMemInfo = (void *)bof;
|
|
return (size_t)psKernelMemInfo->ui32AllocSize;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static size_t psb_bo_offset(struct drm_device *dev, void *bof)
|
|
{
|
|
struct psb_framebuffer *psbfb
|
|
= (struct psb_framebuffer *)bof;
|
|
|
|
return (size_t)psbfb->offset;
|
|
}
|
|
|
|
static int psb_bo_pin_for_scanout(struct drm_device *dev, void *bo)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int psb_bo_unpin_for_scanout(struct drm_device *dev, void *bo)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void psb_modeset_init(struct drm_device *dev)
|
|
{
|
|
struct drm_psb_private *dev_priv =
|
|
(struct drm_psb_private *) dev->dev_private;
|
|
struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
|
|
int i;
|
|
|
|
PSB_DEBUG_ENTRY("\n");
|
|
/* Init mm functions */
|
|
mode_dev->bo_from_handle = psb_bo_from_handle;
|
|
mode_dev->bo_size = psb_bo_size;
|
|
mode_dev->bo_offset = psb_bo_offset;
|
|
mode_dev->bo_pin_for_scanout = psb_bo_pin_for_scanout;
|
|
mode_dev->bo_unpin_for_scanout = psb_bo_unpin_for_scanout;
|
|
|
|
drm_mode_config_init(dev);
|
|
|
|
dev->mode_config.min_width = 0;
|
|
dev->mode_config.min_height = 0;
|
|
|
|
dev->mode_config.funcs = (void *) &psb_mode_funcs;
|
|
|
|
/* set memory base */
|
|
/* MRST and PSB should use BAR 2*/
|
|
pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *)
|
|
&(dev->mode_config.fb_base));
|
|
|
|
/* num pipes is 2 for PSB but 1 for Mrst */
|
|
for (i = 0; i < dev_priv->num_pipe; i++)
|
|
psb_intel_crtc_init(dev, i, mode_dev);
|
|
|
|
dev->mode_config.max_width = 2048;
|
|
dev->mode_config.max_height = 2048;
|
|
|
|
psb_setup_outputs(dev);
|
|
|
|
/* setup fbs */
|
|
/* drm_initial_config(dev); */
|
|
}
|
|
|
|
void psb_modeset_cleanup(struct drm_device *dev)
|
|
{
|
|
mutex_lock(&dev->struct_mutex);
|
|
|
|
drm_kms_helper_poll_fini(dev);
|
|
psb_fbdev_fini(dev);
|
|
|
|
drm_mode_config_cleanup(dev);
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
}
|