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android_kernel_modules_leno.../intel_media/display/pnw/drv/psb_fb.c

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/**************************************************************************
* 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_ttm_userobj_api.h"
#include "psb_fb.h"
#include "psb_pvr_glue.h"
#include "mdfld_dsi_dbi.h"
#include "mdfld_dsi_output.h"
#include "mdfld_output.h"
#include "mdfld_dsi_dbi_dsr.h"
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
static int fill_fb_bitfield(struct fb_var_screeninfo *var, int depth)
{
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;
}
struct psbfb_par {
struct drm_device *dev;
struct psb_framebuffer *psbfb;
int dpms_state;
int crtc_count;
/* crtc currently bound to this */
uint32_t crtc_ids[2];
};
#endif
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)
{
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
struct psbfb_par *par = info->par;
struct drm_framebuffer *fb = &par->psbfb->base;
#else
struct psb_fbdev * fbdev = info->par;
struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
#endif
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;
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
static struct drm_display_mode *psbfb_find_first_mode(struct
fb_var_screeninfo
*var,
struct fb_info *info,
struct drm_crtc
*crtc)
{
struct psbfb_par *par = info->par;
struct drm_device *dev = par->dev;
struct drm_display_mode *drm_mode;
struct drm_display_mode *preferred_mode = NULL;
struct drm_display_mode *last_mode = NULL;
struct drm_connector *connector;
int found;
found = 0;
list_for_each_entry(connector, &dev->mode_config.connector_list,
head) {
if (connector->encoder && connector->encoder->crtc == crtc) {
found = 1;
break;
}
}
/* found no connector, bail */
if (!found)
return NULL;
found = 0;
list_for_each_entry(drm_mode, &connector->modes, head) {
if (drm_mode->hdisplay == var->xres &&
drm_mode->vdisplay == var->yres
&& drm_mode->clock != 0) {
found = 1;
last_mode = drm_mode;
if (IS_POULSBO(dev)) {
if (last_mode->type & DRM_MODE_TYPE_PREFERRED)
preferred_mode = last_mode;
}
}
}
/* No mode matching mode found */
if (!found)
return NULL;
if (IS_POULSBO(dev)) {
if (preferred_mode)
return preferred_mode;
else
return last_mode;
} else {
return last_mode;
}
}
static int psbfb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
struct psbfb_par *par = info->par;
struct psb_framebuffer *psbfb = par->psbfb;
struct drm_device *dev = par->dev;
int ret;
int depth;
int pitch;
int bpp = var->bits_per_pixel;
if (!psbfb)
return -ENOMEM;
if (!var->pixclock)
return -EINVAL;
/* don't support virtuals for now */
if (var->xres_virtual > var->xres)
return -EINVAL;
if (var->yres_virtual > var->yres)
return -EINVAL;
switch (bpp) {
case 16:
depth = (var->green.length == 6) ? 16 : 15;
break;
case 24: /* assume this is 32bpp / depth 24 */
bpp = 32;
/* fallthrough */
case 32:
depth = (var->transp.length > 0) ? 32 : 24;
break;
default:
return -EINVAL;
}
pitch = ((var->xres * ((bpp + 1) / 8)) + 0x3f) & ~0x3f;
/* Check that we can resize */
if ((pitch * var->yres) > psbfb->size) {
#if 1
/* Need to resize the fb object.
* But the generic fbdev code doesn't really understand
* that we can do this. So disable for now.
*/
DRM_INFO("Can't support requested size, too big!\n");
return -EINVAL;
#endif
}
ret = fill_fb_bitfield(var, depth);
if (ret)
return ret;
#if 1
/* Here we walk the output mode list and look for modes. If we haven't
* got it, then bail. Not very nice, so this is disabled.
* In the set_par code, we create our mode based on the incoming
* parameters. Nicer, but may not be desired by some.
*/
{
struct drm_crtc *crtc;
int i;
list_for_each_entry(crtc, &dev->mode_config.crtc_list,
head) {
struct psb_intel_crtc *psb_intel_crtc =
to_psb_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 (psb_intel_crtc->mode_set.num_connectors == 0)
continue;
if (!psbfb_find_first_mode(&info->var, info, crtc))
return -EINVAL;
}
}
#else
(void) i;
(void) dev; /* silence warnings */
(void) crtc;
(void) drm_mode;
(void) connector;
#endif
return 0;
}
/* this will let fbcon do the mode init */
static int psbfb_set_par(struct fb_info *info)
{
struct psbfb_par *par = info->par;
struct psb_framebuffer *psbfb = par->psbfb;
struct drm_framebuffer *fb = &psbfb->base;
struct drm_device *dev = par->dev;
struct fb_var_screeninfo *var = &info->var;
/* struct drm_psb_private *dev_priv = dev->dev_private; */
struct drm_display_mode *drm_mode;
int pitch;
int depth;
int bpp = var->bits_per_pixel;
PSB_DEBUG_ENTRY("\n");
if (!fb)
return -ENOMEM;
PSB_DEBUG_ENTRY("01. \n");
switch (bpp) {
case 8:
depth = 8;
break;
case 16:
depth = (var->green.length == 6) ? 16 : 15;
break;
case 24: /* assume this is 32bpp / depth 24 */
bpp = 32;
/* fallthrough */
case 32:
depth = (var->transp.length > 0) ? 32 : 24;
break;
default:
DRM_ERROR("Illegal BPP\n");
return -EINVAL;
}
pitch = ((var->xres * ((bpp + 1) / 8)) + 0x3f) & ~0x3f;
if ((pitch * var->yres) > (psbfb->size)) {
#if 1
/* Need to resize the fb object.
* But the generic fbdev code doesn't really understand
* that we can do this. So disable for now.
*/
DRM_INFO("Can't support requested size, too big!\n");
return -EINVAL;
#endif
}
psbfb->offset = 0;
fb->width = var->xres;
fb->height = var->yres;
fb->bits_per_pixel = bpp;
fb->pitches[0] = pitch;
fb->depth = depth;
info->fix.line_length = psbfb->base.pitches[0];
info->fix.visual =
(psbfb->base.depth ==
8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR;
/* some fbdev's apps don't want these to change */
info->fix.smem_start = dev->mode_config.fb_base + psbfb->offset;
#if 0
/* relates to resize - disable */
info->fix.smem_len = info->fix.line_length * var->yres;
info->screen_size = info->fix.smem_len; /* ??? */
#endif
/* 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.
*/
#if 1
/* This code is now in the for loop futher down. */
#endif
{
struct drm_crtc *crtc;
int ret;
int i;
list_for_each_entry(crtc, &dev->mode_config.crtc_list,
head) {
struct psb_intel_crtc *psb_intel_crtc =
to_psb_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 (psb_intel_crtc->mode_set.num_connectors == 0)
continue;
#if 1
drm_mode =
psbfb_find_first_mode(&info->var, info, crtc);
if (!drm_mode)
DRM_ERROR("No matching mode found\n");
psb_intel_crtc->mode_set.mode = drm_mode;
#endif
#if 0 /* FIXME: TH */
if (crtc->fb == psb_intel_crtc->mode_set.fb) {
#endif
DRM_DEBUG
("setting mode on crtc %p with id %u\n",
crtc, crtc->base.id);
ret =
crtc->funcs->
set_config(&psb_intel_crtc->mode_set);
if (ret) {
DRM_ERROR("Failed setting mode\n");
return ret;
}
#if 0
}
#endif
}
DRM_DEBUG("Set par returned OK.\n");
return 0;
}
return 0;
}
void psbfb_imageblit(struct fb_info *info, const struct fb_image *image)
{
if (unlikely(info->state != FBINFO_STATE_RUNNING))
return;
cfb_imageblit(info, image);
}
static void psbfb_onoff(struct fb_info *info, int dpms_mode)
{
struct psbfb_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;
if (i == par->crtc_count)
continue;
if (dpms_mode == DRM_MODE_DPMS_ON)
crtc_funcs->dpms(crtc, dpms_mode);
/* 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);
}
}
static int psbfb_blank(int blank_mode, struct fb_info *info)
{
struct psbfb_par *par = info->par;
par->dpms_state = blank_mode;
PSB_DEBUG_PM("psbfb_blank \n");
switch (blank_mode) {
case FB_BLANK_UNBLANK:
psbfb_onoff(info, DRM_MODE_DPMS_ON);
break;
case FB_BLANK_NORMAL:
psbfb_onoff(info, DRM_MODE_DPMS_STANDBY);
break;
case FB_BLANK_HSYNC_SUSPEND:
psbfb_onoff(info, DRM_MODE_DPMS_STANDBY);
break;
case FB_BLANK_VSYNC_SUSPEND:
psbfb_onoff(info, DRM_MODE_DPMS_SUSPEND);
break;
case FB_BLANK_POWERDOWN:
psbfb_onoff(info, DRM_MODE_DPMS_OFF);
break;
}
return 0;
}
#endif /*KERNEL_VERSION < 2.6.35*/
static int psbfb_kms_off(struct drm_device *dev, int suspend)
{
struct drm_framebuffer *fb = 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
struct psb_framebuffer * psbfb = to_psb_fb(fb);
if (!psbfb) {
DRM_ERROR("Invalid psbfb\n");
return -EINVAL;
}
#endif
DRM_DEBUG("psbfb_kms_off_ioctl\n");
mutex_lock(&dev->mode_config.mutex);
list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
struct fb_info *info = psbfb->fbdev;
if (suspend) {
fb_set_suspend(info, 1);
drm_fb_helper_blank(FB_BLANK_POWERDOWN, info);
}
#else
struct fb_info *info = fb->fbdev;
if (suspend) {
fb_set_suspend(info, 1);
psbfb_blank(FB_BLANK_POWERDOWN, info);
}
#endif
}
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;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
struct psb_framebuffer * psbfb = to_psb_fb(fb);
if (!psbfb) {
DRM_ERROR("Invalid psbfb\n");
return -EINVAL;
}
#endif
DRM_DEBUG("psbfb_kms_on_ioctl\n");
mutex_lock(&dev->mode_config.mutex);
list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
struct fb_info *info = psbfb->fbdev;
if (resume) {
fb_set_suspend(info, 0);
drm_fb_helper_blank(FB_BLANK_UNBLANK, info);
}
#else
struct fb_info *info = fb->fbdev;
if (resume) {
fb_set_suspend(info, 0);
psbfb_blank(FB_BLANK_UNBLANK, info);
}
#endif
}
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 = (struct psb_framebuffer *)vma->vm_private_data;
struct drm_device * dev = psbfb->base.dev;
struct drm_psb_private * dev_priv = (struct drm_psb_private *)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)
{
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
struct psbfb_par *par = info->par;
struct psb_framebuffer *psbfb = par->psbfb;
#else
struct psb_fbdev * fbdev = info->par;
struct psb_framebuffer *psbfb = fbdev->pfb;
#endif
char * fb_screen_base = NULL;
struct drm_device * dev = psbfb->base.dev;
struct drm_psb_private * dev_priv = (struct drm_psb_private *)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;
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0)
vma->vm_flags |= VM_RESERVED | VM_IO | VM_MIXEDMAP | VM_DONTEXPAND;
#else
vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND;
#endif
} else {
/*using IMG meminfo, can I use pvrmmap to map it?*/
}
/*forbid dsr*/
mdfld_dsi_dsr_forbid(dev_priv->dsi_configs[0]);
return 0;
}
/* Disable the obsolete fb blank callback function*/
static int fb_blank_void(int blank_mode, struct fb_info *info)
{
return 0;
}
static void psb_cfb_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
{
return ;
}
static void psb_cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area)
{
return ;
}
static void psb_cfb_imageblit(struct fb_info *p, const struct fb_image *image)
{
return ;
}
static struct fb_ops psbfb_ops = {
.owner = THIS_MODULE,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
.fb_check_var = psbfb_check_var,
.fb_set_par = psbfb_set_par,
.fb_blank = psbfb_blank,
#else
.fb_check_var = drm_fb_helper_check_var,
.fb_set_par = drm_fb_helper_set_par,
.fb_blank = fb_blank_void,
#endif
.fb_setcolreg = psbfb_setcolreg,
.fb_fillrect = psb_cfb_fillrect,
.fb_copyarea = psb_cfb_copyarea,
.fb_imageblit = psb_cfb_imageblit,
.fb_mmap = psbfb_mmap,
};
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
static struct drm_mode_set panic_mode;
int psbfb_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(psbfb_panic); */
static struct notifier_block paniced = {
.notifier_call = psbfb_panic,
};
#endif
static struct drm_framebuffer *psb_framebuffer_create
(struct drm_device *dev, struct drm_mode_fb_cmd2 *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->pvrBO = 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_cmd2 *r)
{
struct psb_framebuffer *psbfb;
struct drm_framebuffer *fb;
struct fb_info *info;
PVRSRV_KERNEL_MEM_INFO *psKernelMemInfo = IMG_NULL;
IMG_HANDLE hKernelMemInfo = (IMG_HANDLE)r->handles[0];
struct drm_psb_private *dev_priv
= (struct drm_psb_private *) dev->dev_private;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
struct psb_fbdev * fbdev = dev_priv->fbdev;
#endif
struct psb_gtt *pg = dev_priv->pg;
int ret;
uint32_t offset;
uint64_t size;
ret = psb_get_meminfo_by_handle(dev_priv, hKernelMemInfo,
&psKernelMemInfo);
if (ret) {
DRM_ERROR("Cannot get meminfo for handle %p\n",
hKernelMemInfo);
return ERR_PTR(ret);
}
DRM_DEBUG("Got Kernel MemInfo for handle %lx\n",
(unsigned long) hKernelMemInfo);
/* JB: TODO not drop, make smarter */
size = psKernelMemInfo->uAllocSize;
if (size < r->height * r->pitches[0])
return ERR_PTR(-ENOMEM);
/* 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 ERR_PTR(-EINVAL);
}
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, 0, &offset);
if (ret) {
DRM_ERROR("map meminfo for 0x%x failed\n",
(IMG_UINT32)hKernelMemInfo);
return ERR_PTR(-ENOMEM);
}
psbfb->offset = (offset << PAGE_SHIFT);
} else {
psbfb->offset = 0;
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
info = framebuffer_alloc(sizeof(struct psbfb_par), &dev->pdev->dev);
#else
info = framebuffer_alloc(0, &dev->pdev->dev);
#endif
if (!info)
return ERR_PTR(-ENOMEM);
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 = psKernelMemInfo->pvLinAddrKM;
info->screen_size = size;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
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->fix.line_length = fb->pitches[0];
/* it is called for kms flip, the back buffer has been rendered,
* then we should not clear it*/
#if 0
if (is_iomem)
memset_io(info->screen_base, 0, size);
else
memset(info->screen_base, 0, size);
#endif
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 = r->width;
info->var.yres = r->height;
fill_fb_bitfield(&info->var, fb->depth);
# else /*KERNEL_VERSION > 2.6.35*/
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, fb->width, fb->height);
#endif
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;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
fb->fbdev = info;
#else
psbfb->fbdev = info;
fbdev->pfb = psbfb;
fbdev->psb_fb_helper.fb = fb;
fbdev->psb_fb_helper.fbdev = info;
#endif
return fb;
}
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 = (struct drm_psb_private *)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_cmd2 mode_cmd;
struct device * device = &dev->pdev->dev;
int size, aligned_size;
int ret;
struct mdfld_dsi_encoder *dsi_encoder =
MDFLD_DSI_ENCODER_WITH_DRM_ENABLE(dev_priv->encoder0);
struct mdfld_dsi_config *dsi_config =
mdfld_dsi_encoder_get_config(dsi_encoder);
struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
/* PR2 panel must have 200 pixel dummy clocks,
* So the display timing should be 800x1024, and surface
* is 608x1024(64 bits align), or the information between android
* and Linux frame buffer is not consistent.
*/
#ifdef CONFIG_SUPPORT_DDS_MIPI_SWITCH /* ASUS_BSP: [DDS] +++ */
if (0) {
mode_cmd.width = 800;
mode_cmd.height = 1280;
} else {
mode_cmd.width = fixed_mode->hdisplay;
mode_cmd.height = fixed_mode->vdisplay;
}
#else
if (is_tmd_6x10_panel(dev, 0)) {
mode_cmd.width = fixed_mode->hdisplay - 200;
mode_cmd.height = fixed_mode->vdisplay;
} else {
mode_cmd.width = fixed_mode->hdisplay;
mode_cmd.height = fixed_mode->vdisplay;
}
#endif /* ASUS_BSP: [DDS] --- */
//HW requires pitch to be 64 byte aligned
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
mode_cmd.bpp = 32;
mode_cmd.pitches[0] = ALIGN(mode_cmd.width *
((mode_cmd.bpp + 1) / 8), 64);
mode_cmd.depth = 24;
#else
/* Note: sizes->surface_width == 800 and fixed_mode->hdisplay == 800,
but mode_cmd.width may be 600. */
mode_cmd.pitches[0] = mode_cmd.width * (sizes->surface_bpp >> 3);
mode_cmd.pitches[0] = ALIGN(mode_cmd.pitches[0], 64);
mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
sizes->surface_depth);
#endif
size = mode_cmd.pitches[0] * mode_cmd.height;
aligned_size = roundup(size, PAGE_SIZE);
mutex_lock(&dev->struct_mutex);
fb = psb_framebuffer_create(dev, &mode_cmd, NULL);
if (!fb) {
DRM_ERROR("failed to allocate fb.\n");
ret = -ENOMEM;
goto out_err1;
}
psbfb = to_psb_fb(fb);
if (!psbfb) {
DRM_ERROR("Invalid psbfb\n");
ret = -EINVAL;
goto out_err1;
}
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->pitches[0], fb->depth);
if (is_tmd_6x10_panel(dev, 0))
drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, fb->width, fb->height);
else
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;
DRM_DEBUG("fb depth is %d\n", fb->depth);
DRM_DEBUG(" pitch is %d\n", fb->pitches[0]);
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 =
(struct drm_psb_private *)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 = dev_priv->num_pipe;
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 =
(struct drm_psb_private *)dev->dev_private;
if(!dev_priv->fbdev) {
return;
}
psb_fbdev_destroy(dev, dev_priv->fbdev);
kfree(dev_priv->fbdev);
dev_priv->fbdev = NULL;
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
static int psbfb_multi_fb_probe_crtc(struct drm_device *dev,
struct drm_crtc *crtc)
{
struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
struct drm_framebuffer *fb = crtc->fb;
struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
struct drm_connector *connector;
struct fb_info *info;
struct psbfb_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 (!psb_intel_crtc->mode_set.fb) {
ret =
psbfb_create(dev, width, height, width, height,
&psbfb);
if (ret)
return -EINVAL;
new_fb = 1;
} else {
fb = psb_intel_crtc->mode_set.fb;
if ((fb->width < width) || (fb->height < height))
return -EINVAL;
}
info = fb->fbdev;
par = info->par;
modeset = &psb_intel_crtc->mode_set;
modeset->fb = fb;
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
psbfb_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 psbfb_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 = psbfb_multi_fb_probe_crtc(dev, crtc);
if (ret)
return ret;
}
return ret;
}
static int psbfb_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 fb_info *info;
struct psbfb_par *par;
struct drm_mode_set *modeset = NULL;
struct drm_framebuffer *fb = NULL;
struct psb_framebuffer *psbfb = NULL;
PSB_DEBUG_ENTRY("\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) {
fb = crtc->fb;
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 =
psbfb_create(dev, fb_width, fb_height, surface_width,
surface_height, &psbfb);
if (ret)
return -EINVAL;
new_fb = 1;
fb = &psbfb->base;
} else {
fb = list_first_entry(&dev->mode_config.fb_kernel_list,
struct drm_framebuffer, filp_head);
/* 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 = fb->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 psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
modeset = &psb_intel_crtc->mode_set;
modeset->fb = fb;
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
psbfb_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 psbfb_probe(struct drm_device *dev)
{
int ret = 0;
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 (0 /*i915_fbpercrtc == 1 */)
ret = psbfb_multi_fb_probe(dev);
else
ret = psbfb_single_fb_probe(dev);
return ret;
}
/*EXPORT_SYMBOL(psbfb_probe); */
#else /*KERNEL_VERSION >= 2.6.35*/
static void psbfb_output_poll_changed(struct drm_device * dev)
{
struct drm_psb_private * dev_priv = (struct drm_psb_private *)dev->dev_private;
struct psb_fbdev * fbdev = (struct psb_fbdev *)dev_priv->fbdev;
drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper);
}
#endif
int psbfb_remove(struct drm_device *dev, struct drm_framebuffer *fb)
{
struct fb_info *info;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
struct psb_framebuffer * psbfb = to_psb_fb(fb);
#endif
if (drm_psb_no_fb)
return 0;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
info = psbfb->fbdev;
psbfb->pvrBO = NULL;
#else
info = fb->fbdev;
#endif
if (info) {
framebuffer_release(info);
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
atomic_notifier_chain_unregister(&panic_notifier_list, &paniced);
memset(&panic_mode, 0, sizeof(struct drm_mode_set));
#endif
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)
{
struct psb_framebuffer *psbfb = to_psb_fb(fb);
(void) file_priv;
*handle = (unsigned int)psbfb->hKernelMemInfo;
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 (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
if (fb->fbdev)
#else
if (psbfb->fbdev)
#endif
{
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,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
.output_poll_changed = psbfb_output_poll_changed,
#else
.fb_changed = psbfb_probe,
#endif
};
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);
if (unlikely(!backlight)) {
pr_err("%s: faild to create backlight property\n", __func__);
return 0;
}
backlight->values[0] = 0;
backlight->values[1] = 100;
dev_priv->backlight_property = backlight;
return 0;
}
static int psb_intel_connector_clones(struct drm_device *dev, int type_mask)
{
int index_mask = 0;
struct drm_connector *connector;
int entry = 0;
list_for_each_entry(connector, &dev->mode_config.connector_list,
head) {
struct psb_intel_output *psb_intel_output =
to_psb_intel_output(connector);
if (type_mask & (1 << psb_intel_output->type))
index_mask |= (1 << entry);
entry++;
}
return index_mask;
}
static void psb_setup_outputs(struct drm_device *dev)
{
struct drm_connector *connector;
PSB_DEBUG_ENTRY("\n");
drm_mode_create_scaling_mode_property(dev);
psb_create_backlight_property(dev);
mdfld_output_init(dev);
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");
if (IS_MRST(dev))
crtc_mask = (1 << 0);
else
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)
{
PVRSRV_KERNEL_MEM_INFO *psKernelMemInfo = IMG_NULL;
IMG_HANDLE hKernelMemInfo = (IMG_HANDLE)handle;
int ret;
struct drm_psb_private *dev_priv =
(struct drm_psb_private *) dev->dev_private;
ret = psb_get_meminfo_by_handle(dev_priv,
hKernelMemInfo, &psKernelMemInfo);
if (ret) {
DRM_ERROR("Cannot get meminfo for handle %p\n",
hKernelMemInfo);
return NULL;
}
return (void *)psKernelMemInfo;
}
static size_t psb_bo_size(struct drm_device *dev, void *bof)
{
PVRSRV_KERNEL_MEM_INFO *psKernelMemInfo = (PVRSRV_KERNEL_MEM_INFO *)bof;
return (size_t)psKernelMemInfo->uAllocSize;
}
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,
(uint32_t *)&(dev->mode_config.fb_base));
for (i = 0; i < dev_priv->num_pipe; i++)
psb_intel_crtc_init(dev, i, mode_dev);
dev->mode_config.max_width = dev->mode_config.num_crtc * MDFLD_PLANE_MAX_WIDTH;
dev->mode_config.max_height = dev->mode_config.num_crtc * MDFLD_PLANE_MAX_HEIGHT;
psb_setup_outputs(dev);
}
void psb_modeset_cleanup(struct drm_device *dev)
{
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35))
drm_mode_config_cleanup(dev);
#else
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);
#endif
}
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