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authorErik Gilling <konkers@android.com>2011-02-24 17:13:10 -0800
committerErik Gilling <konkers@android.com>2011-02-24 17:13:10 -0800
commit56edb8f957edbfe32739a5c709bf8f587be52724 (patch)
treedde05e7b8c912cbc1f7d6e1d665c91a376eb3474 /include
parenta5856ce00674aa34a38a55dd6960638182604d91 (diff)
parent1249163215ede23cb139a6da9f69e19a393e70f4 (diff)
Merge branch linux-tegra-2.6.36 into android-tegra-2.6.36
Conflicts: drivers/video/tegra/dc/hdmi.c Change-Id: I10fd2dbcc07d7961dd75e10a2c4de926457c2912
Diffstat (limited to 'include')
-rw-r--r--include/video/nvhdcp.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/include/video/nvhdcp.h b/include/video/nvhdcp.h
new file mode 100644
index 000000000000..f282ff8caa99
--- /dev/null
+++ b/include/video/nvhdcp.h
@@ -0,0 +1,91 @@
+/*
+ * include/video/nvhdcp.h
+ *
+ * Copyright (c) 2010-2011, 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 _LINUX_NVHDCP_H_
+#define _LINUX_NVHDCP_H_
+
+#include <linux/fb.h>
+#include <linux/types.h>
+#include <asm/ioctl.h>
+
+/* maximum receivers and repeaters connected at a time */
+#define TEGRA_NVHDCP_MAX_DEVS 127
+
+/* values for value_flags */
+#define TEGRA_NVHDCP_FLAG_AN 0x0001
+#define TEGRA_NVHDCP_FLAG_AKSV 0x0002
+#define TEGRA_NVHDCP_FLAG_BKSV 0x0004
+#define TEGRA_NVHDCP_FLAG_BSTATUS 0x0008 /* repeater status */
+#define TEGRA_NVHDCP_FLAG_CN 0x0010 /* c_n */
+#define TEGRA_NVHDCP_FLAG_CKSV 0x0020 /* c_ksv */
+#define TEGRA_NVHDCP_FLAG_DKSV 0x0040 /* d_ksv */
+#define TEGRA_NVHDCP_FLAG_KP 0x0080 /* k_prime */
+#define TEGRA_NVHDCP_FLAG_S 0x0100 /* hdcp_status */
+#define TEGRA_NVHDCP_FLAG_CS 0x0200 /* connection state */
+#define TEGRA_NVHDCP_FLAG_V 0x0400
+#define TEGRA_NVHDCP_FLAG_MP 0x0800
+#define TEGRA_NVHDCP_FLAG_BKSVLIST 0x1000
+
+/* values for packet_results */
+#define TEGRA_NVHDCP_RESULT_SUCCESS 0
+#define TEGRA_NVHDCP_RESULT_UNSUCCESSFUL 1
+#define TEGRA_NVHDCP_RESULT_PENDING 0x103
+#define TEGRA_NVHDCP_RESULT_LINK_FAILED 0xc0000013
+/* TODO: replace with -EINVAL */
+#define TEGRA_NVHDCP_RESULT_INVALID_PARAMETER 0xc000000d
+#define TEGRA_NVHDCP_RESULT_INVALID_PARAMETER_MIX 0xc0000030
+/* TODO: replace with -ENOMEM */
+#define TEGRA_NVHDCP_RESULT_NO_MEMORY 0xc0000017
+
+struct tegra_nvhdcp_packet {
+ __u32 value_flags; // (IN/OUT)
+ __u32 packet_results; // (OUT)
+
+ __u64 c_n; // (IN) upstream exchange number
+ __u64 c_ksv; // (IN)
+
+ __u32 b_status; // (OUT) link/repeater status
+ __u64 hdcp_status; // (OUT) READ_S
+ __u64 cs; // (OUT) Connection State
+
+ __u64 k_prime; // (OUT)
+ __u64 a_n; // (OUT)
+ __u64 a_ksv; // (OUT)
+ __u64 b_ksv; // (OUT)
+ __u64 d_ksv; // (OUT)
+ __u8 v_prime[20]; // (OUT) 160-bit
+ __u64 m_prime; // (OUT)
+
+ // (OUT) Valid KSVs in the bKsvList. Maximum is 127 devices
+ __u32 num_bksv_list;
+
+ // (OUT) Up to 127 receivers & repeaters
+ __u64 bksv_list[TEGRA_NVHDCP_MAX_DEVS];
+};
+
+/* parameters to TEGRAIO_NVHDCP_SET_POLICY */
+#define TEGRA_NVHDCP_POLICY_ON_DEMAND 0
+#define TEGRA_NVHDCP_POLICY_ALWAYS_ON 1
+
+/* ioctls */
+#define TEGRAIO_NVHDCP_ON _IO('F', 0x70)
+#define TEGRAIO_NVHDCP_OFF _IO('F', 0x71)
+#define TEGRAIO_NVHDCP_SET_POLICY _IOW('F', 0x72, __u32)
+#define TEGRAIO_NVHDCP_READ_M _IOWR('F', 0x73, struct tegra_nvhdcp_packet)
+#define TEGRAIO_NVHDCP_READ_S _IOWR('F', 0x74, struct tegra_nvhdcp_packet)
+#define TEGRAIO_NVHDCP_RENEGOTIATE _IO('F', 0x75)
+
+#endif