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/* Copyright (C) 2015 by Yves Godin <support@nuranwireless.com>
* based on:
* femto_l1_if.h
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* 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 Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _LC15_L1_IF_H
#define _LC15_L1_IF_H
#include <osmocom/core/select.h>
#include <osmocom/core/write_queue.h>
#include <osmocom/core/gsmtap_util.h>
#include <osmocom/gsm/gsm_utils.h>
#include "lc15bts.h"
enum {
MQ_SYS_READ,
MQ_L1_READ,
MQ_TCH_READ,
MQ_PDTCH_READ,
_NUM_MQ_READ
};
enum {
MQ_SYS_WRITE,
MQ_L1_WRITE,
MQ_TCH_WRITE,
MQ_PDTCH_WRITE,
_NUM_MQ_WRITE
};
struct lc15l1_hdl {
struct gsm_time gsm_time;
uint32_t hLayer1; /* handle to the L1 instance in the DSP */
uint32_t dsp_trace_f;
struct llist_head wlc_list;
struct gsmtap_inst *gsmtap;
uint32_t gsmtap_sapi_mask;
uint8_t trx_no;
struct osmo_timer_list alive_timer;
unsigned int alive_prim_cnt;
struct osmo_fd read_ofd[_NUM_MQ_READ]; /* osmo file descriptors */
struct osmo_wqueue write_q[_NUM_MQ_WRITE];
struct {
int trx_nr; /* <1-2> */
} hw_info;
};
#define msgb_l1prim(msg) ((GsmL1_Prim_t *)(msg)->l1h)
#define msgb_sysprim(msg) ((Litecell15_Prim_t *)(msg)->l1h)
typedef int l1if_compl_cb(struct msgb *l1_msg, void *data);
/* send a request primitive to the L1 and schedule completion call-back */
int l1if_req_compl(struct lc15l1_hdl *fl1h, struct msgb *msg,
int is_system_prim, l1if_compl_cb *cb, void *data);
int l1if_reset(struct lc15l1_hdl *hdl);
int l1if_activate_rf(struct lc15l1_hdl *hdl, int on);
int l1if_set_trace_flags(struct lc15l1_hdl *hdl, uint32_t flags);
int l1if_set_txpower(struct lc15l1_hdl *fl1h, float tx_power);
struct msgb *l1p_msgb_alloc(void);
struct msgb *sysp_msgb_alloc(void);
uint32_t l1if_lchan_to_hLayer2(struct gsm_lchan *lchan);
struct gsm_lchan *l1if_hLayer2_to_lchan(struct gsm_bts_trx *trx, uint32_t hLayer2);
int l1if_handle_sysprim(struct lc15l1_hdl *fl1h, struct msgb *msg);
int l1if_handle_l1prim(int wq, struct lc15l1_hdl *fl1h, struct msgb *msg);
/* tch.c */
int l1if_tch_rx(struct gsm_lchan *lchan, struct msgb *l1p_msg);
int l1if_tch_fill(struct gsm_lchan *lchan, uint8_t *l1_buffer);
struct msgb *gen_empty_tch_msg(struct gsm_lchan *lchan);
/*
* The implementation of these functions is selected by either compiling and
* linking sysmo_l1_hw.c or sysmo_l1_fwd.c
*/
int l1if_transport_open(int q, struct lc15l1_hdl *hdl);
int l1if_transport_close(int q, struct lc15l1_hdl *hdl);
#endif /* _SYSMO_L1_IF_H */
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