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/*
* SGX display class driver platform resources
*
* Copyright (C) 2012 Texas Instruments
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _ARCH_ARM_PLAT_OMAP_SGX_OMAPLFB_H
#define _ARCH_ARM_PLAT_OMAP_SGX_OMAPLFB_H
enum sgx_omaplfb_flags {
/*
* This flag should be set when we do not want the primary display
* swap chain buffers to be used with an external display.
*
* The number of tiler2d and vram buffers need to be set appropriately
*/
SGX_OMAPLFB_FLAGS_SDMA_TO_TILER2D_EXTERNAL = 0x00000001,
};
/*
* The settings this platform data entry will determine the type and number of
* buffers to use by omaplfb.
*/
struct sgx_omaplfb_config {
/*
* Number of tiler2d buffers required for display rendering,
* the number of buffers indicated by swap_chain_length will be used
* for the swap chain unless flags indicate otherwise
*/
u32 tiler2d_buffers;
/*
* Number of vram buffers required for display rendering, if no tiler
* buffers are required or flags indicate then the number of buffers
* indicated by swap_chain_length will be used for the swap chain.
*/
u32 vram_buffers;
/*
* Indicate any additional vram that needs to be reserved
*/
u32 vram_reserve;
/*
* Tells omaplfb the number of buffers in the primary swapchain,
* if not set it defaults to 2.
*/
u32 swap_chain_length;
enum sgx_omaplfb_flags flags;
};
struct sgx_omaplfb_platform_data {
u32 num_configs;
struct sgx_omaplfb_config *configs;
};
int sgx_omaplfb_set(unsigned int fbix, struct sgx_omaplfb_config *data);
struct sgx_omaplfb_config *sgx_omaplfb_get(unsigned int fbix);
#endif
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