diff options
Diffstat (limited to 'arch/arm/mach-tegra/include/mach/nvrm_linux.h')
-rw-r--r-- | arch/arm/mach-tegra/include/mach/nvrm_linux.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/nvrm_linux.h b/arch/arm/mach-tegra/include/mach/nvrm_linux.h new file mode 100644 index 000000000000..38d51969fa50 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/nvrm_linux.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2008-2010 NVIDIA Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of the NVIDIA Corporation nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* This header file defines shared structures used by Linux drivers + * integrating with Tegra NvRM. + */ + +#ifndef INCLUDED_nvrm_linux_H +#define INCLUDED_nvrm_linux_H + +/* nvcommon.h exepcts NV_DEBUG to be defined */ +#ifndef NV_DEBUG +#ifdef DEBUG +#define NV_DEBUG DEBUG +#else +#define NV_DEBUG 0 +#endif +#endif + +#include <nvrm_init.h> +#include <nvrm_gpio.h> + +extern NvRmDeviceHandle s_hRmGlobal; +extern NvRmGpioHandle s_hGpioGlobal; + +int tegra_get_partition_info_by_name(const char *PartName, + NvU64 *pSectorStart, NvU64 *pSectorLength, NvU32 *pSectorSize); + +int tegra_get_partition_info_by_num(int PartitionNum, char **pName, + NvU64 *pSectorStart, NvU64 *pSectorEnd, NvU32 *pSectorSize); + +int tegra_was_boot_device(const char *pBootDev); + +NvU32 NvRmDmaUnreservedChannels(void); + +#ifndef CONFIG_SERIAL_TEGRA_UARTS +#define TEGRA_SYSTEM_DMA_CH_UART 0 +#else +#define TEGRA_SYSTEM_DMA_CH_UART (2*CONFIG_SERIAL_TEGRA_UARTS) +#endif + +#ifdef CONFIG_TEGRA_SYSTEM_DMA +#define TEGRA_SYSTEM_DMA_CH_NUM (1 + TEGRA_SYSTEM_DMA_CH_UART) +#else +#define TEGRA_SYSTEM_DMA_CH_NUM (0) +#endif + +/* DMA channels available to system DMA driver */ +#define TEGRA_SYSTEM_DMA_CH_MIN NvRmDmaUnreservedChannels() +#define TEGRA_SYSTEM_DMA_CH_MAX \ + (TEGRA_SYSTEM_DMA_CH_MIN+TEGRA_SYSTEM_DMA_CH_NUM) + +#endif |