153 lines
4.4 KiB
C
153 lines
4.4 KiB
C
#ifndef _L1_IF_H
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#define _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/core/timer.h>
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#include <osmocom/gsm/gsm_utils.h>
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#include <osmo-bts/phy_link.h>
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#include <nrw/oc2g/gsml1prim.h>
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#include <nrw/oc2g/gsml1types.h>
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#include <stdbool.h>
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enum {
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MQ_SYS_READ,
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MQ_L1_READ,
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MQ_TCH_READ,
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MQ_PDTCH_READ,
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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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MQ_TCH_WRITE,
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MQ_PDTCH_WRITE,
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_NUM_MQ_WRITE
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};
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/* gsm_bts->model_priv, specific to Open Cellular 2G BTS */
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struct bts_oc2g_priv {
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uint8_t led_ctrl_mode; /* 0: control by BTS, 1: not control by BTS */
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struct llist_head ceased_alarm_list; /* ceased alarm list*/
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unsigned int rtp_drift_thres_ms; /* RTP timestamp drift detection threshold */
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};
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struct calib_send_state {
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FILE *fp;
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const char *path;
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int last_file_idx;
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};
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struct oc2gl1_hdl {
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struct gsm_time gsm_time;
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HANDLE hLayer1; /* handle to the L1 instance in the DSP */
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uint32_t dsp_trace_f; /* currently operational DSP trace flags */
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struct llist_head wlc_list;
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struct llist_head alarm_list; /* list of sent alarms */
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struct phy_instance *phy_inst;
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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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/* from DSP/FPGA after L1 Init */
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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;
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uint8_t ver_major;
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uint8_t ver_minor;
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uint32_t options;
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} hw_info;
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struct calib_send_state st;
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uint8_t last_rf_mute[8];
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struct {
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struct osmo_timer_list dsp_alive_timer;
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unsigned int dsp_alive_cnt;
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uint8_t dsp_alive_period;
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} hw_alive;
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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) ((Oc2g_Prim_t *)(msg)->l1h)
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typedef int l1if_compl_cb(struct gsm_bts_trx *trx, 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 oc2gl1_hdl *fl1h, struct msgb *msg,
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l1if_compl_cb *cb, void *cb_data);
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int l1if_gsm_req_compl(struct oc2gl1_hdl *fl1h, struct msgb *msg,
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l1if_compl_cb *cb, void *cb_data);
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struct oc2gl1_hdl *l1if_open(struct phy_instance *pinst);
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int l1if_close(struct oc2gl1_hdl *hdl);
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int l1if_reset(struct oc2gl1_hdl *hdl);
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int l1if_activate_rf(struct oc2gl1_hdl *hdl, int on);
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int l1if_set_trace_flags(struct oc2gl1_hdl *hdl, uint32_t flags);
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int l1if_set_txpower(struct oc2gl1_hdl *fl1h, float tx_power);
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int l1if_set_txpower_backoff_8psk(struct oc2gl1_hdl *fl1h, uint8_t backoff);
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int l1if_set_txpower_c0_idle_pwr_red(struct oc2gl1_hdl *fl1h, uint8_t red);
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int l1if_set_max_cell_size(struct oc2gl1_hdl *fl1h, uint8_t cell_size);
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int l1if_mute_rf(struct oc2gl1_hdl *hdl, uint8_t mute[8], l1if_compl_cb *cb);
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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_hLayer(struct gsm_lchan *lchan);
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struct gsm_lchan *l1if_hLayer_to_lchan(struct gsm_bts_trx *trx, uint32_t hLayer);
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/* tch.c */
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int l1if_tch_encode(struct gsm_lchan *lchan, uint8_t *data, uint8_t *len,
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const uint8_t *rtp_pl, unsigned int rtp_pl_len, uint32_t fn,
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bool use_cache, bool marker);
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int l1if_tch_rx(struct gsm_bts_trx *trx, uint8_t chan_nr, 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, uint32_t fn);
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/* ciphering */
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int l1if_set_ciphering(struct oc2gl1_hdl *fl1h,
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struct gsm_lchan *lchan,
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int dir_downlink);
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/* channel control */
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int l1if_rsl_chan_act(struct gsm_lchan *lchan);
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int l1if_rsl_chan_rel(struct gsm_lchan *lchan);
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int l1if_rsl_chan_mod(struct gsm_lchan *lchan);
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int l1if_rsl_deact_sacch(struct gsm_lchan *lchan);
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int l1if_rsl_mode_modify(struct gsm_lchan *lchan);
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/* calibration loading */
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int calib_load(struct oc2gl1_hdl *fl1h);
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/* public helpers for test */
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int bts_check_for_ciph_cmd(struct oc2gl1_hdl *fl1h,
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struct msgb *msg, struct gsm_lchan *lchan);
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int l1if_ms_pwr_ctrl(struct gsm_lchan *lchan, const int uplink_target,
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const uint8_t ms_power, const float rxLevel);
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static inline struct oc2gl1_hdl *trx_oc2gl1_hdl(const struct gsm_bts_trx *trx)
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{
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const struct phy_instance *pinst = trx_phy_instance(trx);
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OSMO_ASSERT(pinst);
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return pinst->u.oc2g.hdl;
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}
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static inline struct gsm_bts_trx *oc2gl1_hdl_trx(struct oc2gl1_hdl *fl1h)
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{
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OSMO_ASSERT(fl1h->phy_inst);
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return fl1h->phy_inst->trx;
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}
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#endif /* _L1_IF_H */
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