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/**********************************************************************
* Copyright © 2002-2010, Intel Corporation.
*
* 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.
******************************************************************************/
#define MODULE_NAME hal.pvr3dd
#include "drm_emgd_private.h"
#include "img_defs.h"
#include "servicesext.h"
#include "kerneldisplay.h"
#include "emgd_dc.h"
#if !defined(SUPPORT_DRI_DRM)
#error "SUPPORT_DRI_DRM must be set"
#endif
/* The following macros exist to help the PVR services code name/find and call
* the Init and Cleanup functions below. The DISPLAY_CONTROLLER macro must be
* set in the build, so that the PVR service code can use the same magic to
* discover the name of the Init and Cleanup functions for this driver.
*/
#if !defined(DISPLAY_CONTROLLER)
#define DISPLAY_CONTROLLER emgd_dc
#endif
#define MAKENAME_HELPER(x, y) x ## y
#define MAKENAME2(x, y) MAKENAME_HELPER(x, y)
#define MAKENAME(x) MAKENAME2(DISPLAY_CONTROLLER, x)
/* The following tells GCC to not warn about ununsed functions: */
#define unref__ __attribute__ ((unused))
/**
* Function that initializes and starts this 3rd-party display driver. This is
* called by the PVR services when it starts.
*
* @param dev (IN) The drm_device associated with this driver.
*/
int MAKENAME(_Init)(struct drm_device unref__ *dev)
{
EMGD_TRACE_ENTER;
if (emgddc_init(dev) != EMGD_OK) {
EMGD_ERROR_EXIT(DRVNAME " init failed (" DISPLAY_DEVICE_NAME ")\n");
return -ENODEV;
}
EMGD_TRACE_EXIT;
return 0;
}
/**
* Function that shuts-down and de-initializes this 3rd-party display driver.
* This is called by the PVR services when it ends.
*
* @param dev (IN) The drm_device associated with this driver.
*/
void MAKENAME(_Cleanup)(struct drm_device unref__ *dev)
{
EMGD_TRACE_ENTER;
if (emgddc_deinit() != EMGD_OK) {
EMGD_ERROR_EXIT(DRVNAME " de-init failed (" DISPLAY_DEVICE_NAME ")\n");
}
EMGD_TRACE_EXIT;
}
/**
* Set the display to the surface specified by buffer.
*
* @param swap_chain (IN) Pointer to the swap chain associated with buffer.
* @param buffer (IN) Pointer to the buffer to display.
*/
void emgddc_flip(emgddc_swapchain_t *swap_chain, emgddc_buffer_t *buffer)
{
drm_emgd_private *priv = buffer->priv;
igd_context_t *context = priv->context;
igd_surface_t surf;
int ret;
EMGD_TRACE_ENTER;
EMGD_DEBUG("Parameters: swap_chain=0x%p", swap_chain);
EMGD_DEBUG(" buffer=0x%p, *buffer->offset=0x%08lx",
buffer, buffer->offset);
if (EMGD_FALSE == swap_chain->valid) {
EMGD_DEBUG("Not flipping--swap chain invalidated by a mode change.");
EMGD_TRACE_EXIT;
return;
}
surf.offset = buffer->offset;
surf.pitch = buffer->pitch;
surf.width = buffer->width;
surf.height = buffer->height;
surf.pixel_format = buffer->pixel_format;
surf.flags = IGD_SURFACE_RENDER | IGD_SURFACE_DISPLAY;
/* Flip the primary surface. Select a different EMGD display depending on
* the DC & devinfo:
*/
if (IGD_DC_EXTENDED(priv->dc) &&
(swap_chain->devinfo->which_devinfo == 1)) {
ret = context->dispatch.set_surface(priv->secondary,
IGD_PRIORITY_NORMAL, IGD_BUFFER_DISPLAY, &surf, NULL, 0);
if (ret != 0) {
printk(KERN_ERR "%s: set_surface() returned %d", __FUNCTION__, ret);
}
} else {
ret = context->dispatch.set_surface(priv->primary,
IGD_PRIORITY_NORMAL, IGD_BUFFER_DISPLAY, &surf, NULL, 0);
if (ret != 0) {
printk(KERN_ERR "%s: set_surface() returned %d", __FUNCTION__, ret);
}
}
/* Flip the secondary surface: */
if (IGD_DC_CLONE(priv->dc)) {
/* If in clone mode, flip the other pipe too: */
ret = context->dispatch.set_surface(priv->secondary,
IGD_PRIORITY_NORMAL, IGD_BUFFER_DISPLAY, &surf, NULL, 0);
if (ret != 0) {
printk(KERN_ERR "%s: set_surface() returned %d", __FUNCTION__, ret);
}
}
EMGD_TRACE_EXIT;
} /* emgddc_flip() */
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