cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / hsi / cs-protocol.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/hsi/cs-protocol.h b/i686-linux-gnu-4.7/usr/include/linux/hsi/cs-protocol.h
new file mode 100644 (file)
index 0000000..c7f6e76
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/hsi/cs-protocol.h
@@ -0,0 +1,120 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * cmt-speech interface definitions
+ *
+ * Copyright (C) 2008,2009,2010 Nokia Corporation. All rights reserved.
+ *
+ * Contact: Kai Vehmanen <kai.vehmanen@nokia.com>
+ * Original author: Peter Ujfalusi <peter.ujfalusi@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef _CS_PROTOCOL_H
+#define _CS_PROTOCOL_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+/* chardev parameters */
+#define CS_DEV_FILE_NAME               "/dev/cmt_speech"
+
+/* user-space API versioning */
+#define CS_IF_VERSION                  2
+
+/* APE kernel <-> user space messages */
+#define CS_CMD_SHIFT                   28
+#define CS_DOMAIN_SHIFT                        24
+
+#define CS_CMD_MASK                    0xff000000
+#define CS_PARAM_MASK                  0xffffff
+
+#define CS_CMD(id, dom) \
+       (((id) << CS_CMD_SHIFT) | ((dom) << CS_DOMAIN_SHIFT))
+
+#define CS_ERROR                       CS_CMD(1, 0)
+#define CS_RX_DATA_RECEIVED            CS_CMD(2, 0)
+#define CS_TX_DATA_READY               CS_CMD(3, 0)
+#define CS_TX_DATA_SENT                        CS_CMD(4, 0)
+
+/* params to CS_ERROR indication */
+#define CS_ERR_PEER_RESET              0
+
+/* ioctl interface */
+
+/* parameters to CS_CONFIG_BUFS ioctl */
+#define CS_FEAT_TSTAMP_RX_CTRL         (1 << 0)
+#define CS_FEAT_ROLLING_RX_COUNTER     (2 << 0)
+
+/* parameters to CS_GET_STATE ioctl */
+#define CS_STATE_CLOSED                        0
+#define CS_STATE_OPENED                        1 /* resource allocated */
+#define CS_STATE_CONFIGURED            2 /* data path active */
+
+/* maximum number of TX/RX buffers */
+#define CS_MAX_BUFFERS_SHIFT           4
+#define CS_MAX_BUFFERS                 (1 << CS_MAX_BUFFERS_SHIFT)
+
+/* Parameters for setting up the data buffers */
+struct cs_buffer_config {
+       __u32 rx_bufs;  /* number of RX buffer slots */
+       __u32 tx_bufs;  /* number of TX buffer slots */
+       __u32 buf_size; /* bytes */
+       __u32 flags;    /* see CS_FEAT_* */
+       __u32 reserved[4];
+};
+
+/*
+ * struct for monotonic timestamp taken when the
+ * last control command was received
+ */
+struct cs_timestamp {
+       __u32 tv_sec;  /* seconds */
+       __u32 tv_nsec; /* nanoseconds */
+};
+
+/*
+ * Struct describing the layout and contents of the driver mmap area.
+ * This information is meant as read-only information for the application.
+ */
+struct cs_mmap_config_block {
+       __u32 reserved1;
+       __u32 buf_size;         /* 0=disabled, otherwise the transfer size */
+       __u32 rx_bufs;          /* # of RX buffers */
+       __u32 tx_bufs;          /* # of TX buffers */
+       __u32 reserved2;
+       /* array of offsets within the mmap area for each RX and TX buffer */
+       __u32 rx_offsets[CS_MAX_BUFFERS];
+       __u32 tx_offsets[CS_MAX_BUFFERS];
+       __u32 rx_ptr;
+       __u32 rx_ptr_boundary;
+       __u32 reserved3[2];
+       /* enabled with CS_FEAT_TSTAMP_RX_CTRL */
+       struct cs_timestamp tstamp_rx_ctrl;
+};
+
+#define CS_IO_MAGIC            'C'
+
+#define CS_IOW(num, dtype)     _IOW(CS_IO_MAGIC, num, dtype)
+#define CS_IOR(num, dtype)     _IOR(CS_IO_MAGIC, num, dtype)
+#define CS_IOWR(num, dtype)    _IOWR(CS_IO_MAGIC, num, dtype)
+#define CS_IO(num)             _IO(CS_IO_MAGIC, num)
+
+#define CS_GET_STATE           CS_IOR(21, unsigned int)
+#define CS_SET_WAKELINE                CS_IOW(23, unsigned int)
+#define CS_GET_IF_VERSION      CS_IOR(30, unsigned int)
+#define CS_CONFIG_BUFS         CS_IOW(31, struct cs_buffer_config)
+
+#endif /* _CS_PROTOCOL_H */