diff options
Diffstat (limited to 'src/osmo-bts-litecell15/lc15_l1_if.h')
-rw-r--r-- | src/osmo-bts-litecell15/lc15_l1_if.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/osmo-bts-litecell15/lc15_l1_if.h b/src/osmo-bts-litecell15/lc15_l1_if.h new file mode 100644 index 00000000..0589919b --- /dev/null +++ b/src/osmo-bts-litecell15/lc15_l1_if.h @@ -0,0 +1,104 @@ +/* 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 */ |