1 files changed, 121 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/latency_allowance.h b/arch/arm/mach-tegra/include/mach/latency_allowance.h
new file mode 100644
index 000000000000..f0d27f0b8ba9
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/latency_allowance.h
@@ -0,0 +1,121 @@
+/*
+ * arch/arm/mach-tegra/include/mach/latency_allowance.h
+ *
+ * Copyright (C) 2011, NVIDIA Corporation.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#ifndef _MACH_TEGRA_LATENCY_ALLOWANCE_H_
+#define _MACH_TEGRA_LATENCY_ALLOWANCE_H_
+
+enum tegra_la_id {
+	TEGRA_LA_AFIR = 0,
+	TEGRA_LA_AFIW,
+	TEGRA_LA_AVPC_ARM7R,
+	TEGRA_LA_AVPC_ARM7W,
+	TEGRA_LA_DISPLAY_0A,
+	TEGRA_LA_DISPLAY_0B,
+	TEGRA_LA_DISPLAY_0C,
+	TEGRA_LA_DISPLAY_1B,
+	TEGRA_LA_DISPLAY_HC,
+	TEGRA_LA_DISPLAY_0AB,
+	TEGRA_LA_DISPLAY_0BB,
+	TEGRA_LA_DISPLAY_0CB,
+	TEGRA_LA_DISPLAY_1BB,
+	TEGRA_LA_DISPLAY_HCB,
+	TEGRA_LA_EPPUP,
+	TEGRA_LA_EPPU,
+	TEGRA_LA_EPPV,
+	TEGRA_LA_EPPY,
+	TEGRA_LA_G2PR,
+	TEGRA_LA_G2SR,
+	TEGRA_LA_G2DR,
+	TEGRA_LA_G2DW,
+	TEGRA_LA_HOST1X_DMAR,
+	TEGRA_LA_HOST1XR,
+	TEGRA_LA_HOST1XW,
+	TEGRA_LA_HDAR,
+	TEGRA_LA_HDAW,
+	TEGRA_LA_ISPW,
+	TEGRA_LA_MPCORER,
+	TEGRA_LA_MPCOREW,
+	TEGRA_LA_MPCORE_LPR,
+	TEGRA_LA_MPCORE_LPW,
+	TEGRA_LA_MPE_UNIFBR,
+	TEGRA_LA_MPE_IPRED,
+	TEGRA_LA_MPE_AMEMRD,
+	TEGRA_LA_MPE_CSRD,
+	TEGRA_LA_MPE_UNIFBW,
+	TEGRA_LA_MPE_CSWR,
+	TEGRA_LA_FDCDRD,
+	TEGRA_LA_IDXSRD,
+	TEGRA_LA_TEXSRD,
+	TEGRA_LA_FDCDWR,
+	TEGRA_LA_FDCDRD2,
+	TEGRA_LA_IDXSRD2,
+	TEGRA_LA_TEXSRD2,
+	TEGRA_LA_FDCDWR2,
+	TEGRA_LA_PPCS_AHBDMAR,
+	TEGRA_LA_PPCS_AHBSLVR,
+	TEGRA_LA_PPCS_AHBDMAW,
+	TEGRA_LA_PPCS_AHBSLVW,
+	TEGRA_LA_PTCR,
+	TEGRA_LA_SATAR,
+	TEGRA_LA_SATAW,
+	TEGRA_LA_VDE_BSEVR,
+	TEGRA_LA_VDE_MBER,
+	TEGRA_LA_VDE_MCER,
+	TEGRA_LA_VDE_TPER,
+	TEGRA_LA_VDE_BSEVW,
+	TEGRA_LA_VDE_DBGW,
+	TEGRA_LA_VDE_MBEW,
+	TEGRA_LA_VDE_TPMW,
+	TEGRA_LA_VI_RUV,
+	TEGRA_LA_VI_WSB,
+	TEGRA_LA_VI_WU,
+	TEGRA_LA_VI_WV,
+	TEGRA_LA_VI_WY,
+	TEGRA_LA_MAX_ID
+};
+
+#if defined(CONFIG_ARCH_TEGRA_2x_SOC) || defined(CONFIG_TEGRA_FPGA_PLATFORM)
+static inline int tegra_set_latency_allowance(enum tegra_la_id id,
+						int bandwidth_in_mbps)
+{
+	return 0;
+}
+
+static inline int tegra_enable_latency_scaling(enum tegra_la_id id,
+						unsigned int threshold_low,
+						unsigned int threshold_mid,
+						unsigned int threshold_high)
+{
+	return 0;
+}
+
+static inline void tegra_disable_latency_scaling(enum tegra_la_id id)
+{
+	return 0;
+}
+#else
+int tegra_set_latency_allowance(enum tegra_la_id id,
+				unsigned int bandwidth_in_mbps);
+
+int tegra_enable_latency_scaling(enum tegra_la_id id,
+				    unsigned int threshold_low,
+				    unsigned int threshold_mid,
+				    unsigned int threshold_high);
+
+void tegra_disable_latency_scaling(enum tegra_la_id id);
+#endif
+
+#endif /* _MACH_TEGRA_LATENCY_ALLOWANCE_H_ */