/* Copyright (c) 2010-2011, Code Aurora Forum. 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 Code Aurora Forum, Inc. 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 "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
 *
 */
#ifndef __APR_H_
#define __APR_H_

#define APR_Q6_NOIMG   0
#define APR_Q6_LOADING 1
#define APR_Q6_LOADED  2

struct apr_q6 {
	void *pil;
	uint32_t state;
	struct mutex lock;
};

struct apr_hdr {
	uint16_t hdr_field;
	uint16_t pkt_size;
	uint8_t src_svc;
	uint8_t src_domain;
	uint16_t src_port;
	uint8_t dest_svc;
	uint8_t dest_domain;
	uint16_t dest_port;
	uint32_t token;
	uint32_t opcode;
};

#define APR_HDR_LEN(hdr_len) ((hdr_len)/4)
#define APR_PKT_SIZE(hdr_len, payload_len) ((hdr_len) + (payload_len))
#define APR_HDR_FIELD(msg_type, hdr_len, ver)\
	(((msg_type & 0x3) << 8) | ((hdr_len & 0xF) << 4) | (ver & 0xF))

#define APR_HDR_SIZE sizeof(struct apr_hdr)

/* Version */
#define APR_PKT_VER		0x0

/* Command and Response Types */
#define APR_MSG_TYPE_EVENT	0x0
#define APR_MSG_TYPE_CMD_RSP	0x1
#define APR_MSG_TYPE_SEQ_CMD	0x2
#define APR_MSG_TYPE_NSEQ_CMD	0x3
#define APR_MSG_TYPE_MAX	0x04

/* APR Basic Response Message */
#define APR_BASIC_RSP_RESULT 0x000110E8
#define APR_RSP_ACCEPTED     0x000100BE

/* Domain IDs */
#define APR_DOMAIN_SIM	0x1
#define APR_DOMAIN_PC		0x2
#define APR_DOMAIN_MODEM	0x3
#define APR_DOMAIN_ADSP	0x4
#define APR_DOMAIN_APPS	0x5
#define APR_DOMAIN_MAX	0x6

/* ADSP service IDs */
#define APR_SVC_TEST_CLIENT     0x2
#define APR_SVC_ADSP_CORE	0x3
#define APR_SVC_AFE		0x4
#define APR_SVC_VSM		0x5
#define APR_SVC_VPM		0x6
#define APR_SVC_ASM		0x7
#define APR_SVC_ADM		0x8
#define APR_SVC_ADSP_MVM	0x09
#define APR_SVC_ADSP_CVS	0x0A
#define APR_SVC_ADSP_CVP	0x0B
#define APR_SVC_MAX		0x0C

/* Modem Service IDs */
#define APR_SVC_MVS		0x3
#define APR_SVC_MVM		0x4
#define APR_SVC_CVS		0x5
#define APR_SVC_CVP		0x6
#define APR_SVC_SRD		0x7

/* APR Port IDs */
#define APR_MAX_PORTS		0x40

#define APR_NAME_MAX		0x40

struct apr_client_data {
	uint16_t payload_size;
	uint16_t hdr_len;
	uint16_t msg_type;
	uint16_t src;
	uint16_t dest_svc;
	uint16_t src_port;
	uint16_t dest_port;
	uint32_t token;
	uint32_t opcode;
	void *payload;
};

typedef int32_t (*apr_fn)(struct apr_client_data *data, void *priv);

struct apr_svc {
	uint16_t id;
	uint16_t dest_id;
	uint16_t client_id;
	uint8_t rvd;
	uint8_t port_cnt;
	uint8_t svc_cnt;
	apr_fn port_fn[APR_MAX_PORTS];
	void *port_priv[APR_MAX_PORTS];
	apr_fn fn;
	void *priv;
	struct mutex m_lock;
	spinlock_t w_lock;
};

struct apr_client {
	uint8_t id;
	uint8_t svc_cnt;
	uint8_t rvd;
	struct mutex m_lock;
	struct apr_svc_ch_dev *handle;
	struct apr_svc svc[APR_SVC_MAX];
};

#define ADSP_GET_VERSION     0x00011152
#define ADSP_GET_VERSION_RSP 0x00011153

struct adsp_get_version {
	uint32_t build_id;
	uint32_t svc_cnt;
};

struct adsp_service_info {
	uint32_t svc_id;
	uint32_t svc_ver;
};

#define ADSP_CMD_SET_POWER_COLLAPSE_STATE 0x0001115C
struct adsp_power_collapse {
	struct apr_hdr hdr;
	uint32_t power_collapse;
};

struct apr_svc *apr_register(char *dest, char *svc_name, apr_fn svc_fn,
					uint32_t src_port, void *priv);
inline int apr_fill_hdr(void *handle, uint32_t *buf, uint16_t src_port,
			uint16_t msg_type, uint16_t dest_port,
			uint32_t token, uint32_t opcode, uint16_t len);

int apr_send_pkt(void *handle, uint32_t *buf);
int apr_deregister(void *handle);
void change_q6_state(int state);
void q6audio_dsp_not_responding(void);

#endif