92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
#ifndef _SYSMO_L1_IF_H
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#define _SYSMO_L1_IF_H
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#include <osmocom/core/select.h>
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#include <osmocom/core/write_queue.h>
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#include <osmocom/core/gsmtap_util.h>
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#include <osmocom/gsm/gsm_utils.h>
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#include "femtobts.h"
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enum {
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MQ_SYS_READ,
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MQ_L1_READ,
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#ifndef HW_SYSMOBTS_V1
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MQ_TCH_READ,
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MQ_PDTCH_READ,
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#endif
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_NUM_MQ_READ
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};
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enum {
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MQ_SYS_WRITE,
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MQ_L1_WRITE,
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#ifndef HW_SYSMOBTS_V1
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MQ_TCH_WRITE,
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MQ_PDTCH_WRITE,
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#endif
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_NUM_MQ_WRITE
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};
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struct femtol1_hdl {
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struct gsm_time gsm_time;
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uint32_t hLayer1; /* handle to the L1 instance in the DSP */
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uint32_t dsp_trace_f;
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int clk_cal;
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uint8_t clk_src;
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struct llist_head wlc_list;
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struct gsmtap_inst *gsmtap;
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uint32_t gsmtap_sapi_mask;
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void *priv; /* user reference */
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struct osmo_timer_list alive_timer;
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unsigned int alive_prim_cnt;
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struct osmo_fd read_ofd[_NUM_MQ_READ]; /* osmo file descriptors */
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struct osmo_wqueue write_q[_NUM_MQ_WRITE];
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struct {
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uint8_t dsp_version[3];
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uint8_t fpga_version[3];
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uint32_t band_support; /* bitmask of GSM_BAND_* */
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} hw_info;
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};
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#define msgb_l1prim(msg) ((GsmL1_Prim_t *)(msg)->l1h)
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#define msgb_sysprim(msg) ((SuperFemto_Prim_t *)(msg)->l1h)
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typedef int l1if_compl_cb(struct msgb *l1_msg, void *data);
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/* send a request primitive to the L1 and schedule completion call-back */
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int l1if_req_compl(struct femtol1_hdl *fl1h, struct msgb *msg,
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int is_system_prim, l1if_compl_cb *cb, void *data);
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int l1if_reset(struct femtol1_hdl *hdl);
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int l1if_activate_rf(struct femtol1_hdl *hdl, int on);
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int l1if_set_trace_flags(struct femtol1_hdl *hdl, uint32_t flags);
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int l1if_set_txpower(struct femtol1_hdl *fl1h, float tx_power);
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struct msgb *l1p_msgb_alloc(void);
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struct msgb *sysp_msgb_alloc(void);
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uint32_t l1if_lchan_to_hLayer2(struct gsm_lchan *lchan);
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struct gsm_lchan *l1if_hLayer2_to_lchan(struct gsm_bts_trx *trx, uint32_t hLayer2);
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int l1if_handle_sysprim(struct femtol1_hdl *fl1h, struct msgb *msg);
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int l1if_handle_l1prim(int wq, struct femtol1_hdl *fl1h, struct msgb *msg);
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/* tch.c */
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int l1if_tch_rx(struct gsm_lchan *lchan, struct msgb *l1p_msg);
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int l1if_tch_fill(struct gsm_lchan *lchan, uint8_t *l1_buffer);
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struct msgb *gen_empty_tch_msg(struct gsm_lchan *lchan);
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/*
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* The implementation of these functions is selected by either compiling and
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* linking sysmo_l1_hw.c or sysmo_l1_fwd.c
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*/
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int l1if_transport_open(int q, struct femtol1_hdl *hdl);
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int l1if_transport_close(int q, struct femtol1_hdl *hdl);
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#endif /* _SYSMO_L1_IF_H */
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