diff options
Diffstat (limited to 'src/osmo-bts-oc2g/l1_if.h')
| -rw-r--r-- | src/osmo-bts-oc2g/l1_if.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/osmo-bts-oc2g/l1_if.h b/src/osmo-bts-oc2g/l1_if.h new file mode 100644 index 00000000..38699e01 --- /dev/null +++ b/src/osmo-bts-oc2g/l1_if.h @@ -0,0 +1,145 @@ +#ifndef _L1_IF_H +#define _L1_IF_H + +#include <osmocom/core/select.h> +#include <osmocom/core/write_queue.h> +#include <osmocom/core/gsmtap_util.h> +#include <osmocom/core/timer.h> +#include <osmocom/gsm/gsm_utils.h> + +#include <osmo-bts/phy_link.h> + +#include <nrw/oc2g/gsml1prim.h> +#include <nrw/oc2g/gsml1types.h> + +#include <stdbool.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 calib_send_state { + FILE *fp; + const char *path; + int last_file_idx; +}; + +struct oc2gl1_hdl { + struct gsm_time gsm_time; + HANDLE hLayer1; /* handle to the L1 instance in the DSP */ + uint32_t dsp_trace_f; /* currently operational DSP trace flags */ + struct llist_head wlc_list; + struct llist_head alarm_list; /* list of sent alarms */ + + struct phy_instance *phy_inst; + + 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 { + /* from DSP/FPGA after L1 Init */ + uint8_t dsp_version[3]; + uint8_t fpga_version[3]; + uint32_t band_support; + uint8_t ver_major; + uint8_t ver_minor; + uint32_t options; + } hw_info; + + struct calib_send_state st; + + uint8_t last_rf_mute[8]; + + struct { + struct osmo_timer_list dsp_alive_timer; + unsigned int dsp_alive_cnt; + uint8_t dsp_alive_period; + } hw_alive; +}; + +#define msgb_l1prim(msg) ((GsmL1_Prim_t *)(msg)->l1h) +#define msgb_sysprim(msg) ((Oc2g_Prim_t *)(msg)->l1h) + +typedef int l1if_compl_cb(struct gsm_bts_trx *trx, struct msgb *l1_msg, void *data); + +/* send a request primitive to the L1 and schedule completion call-back */ +int l1if_req_compl(struct oc2gl1_hdl *fl1h, struct msgb *msg, + l1if_compl_cb *cb, void *cb_data); +int l1if_gsm_req_compl(struct oc2gl1_hdl *fl1h, struct msgb *msg, + l1if_compl_cb *cb, void *cb_data); + +struct oc2gl1_hdl *l1if_open(struct phy_instance *pinst); +int l1if_close(struct oc2gl1_hdl *hdl); +int l1if_reset(struct oc2gl1_hdl *hdl); +int l1if_activate_rf(struct oc2gl1_hdl *hdl, int on); +int l1if_set_trace_flags(struct oc2gl1_hdl *hdl, uint32_t flags); +int l1if_set_txpower(struct oc2gl1_hdl *fl1h, float tx_power); +int l1if_set_txpower_backoff_8psk(struct oc2gl1_hdl *fl1h, uint8_t backoff); +int l1if_set_txpower_c0_idle_pwr_red(struct oc2gl1_hdl *fl1h, uint8_t red); +int l1if_set_max_cell_size(struct oc2gl1_hdl *fl1h, uint8_t cell_size); +int l1if_mute_rf(struct oc2gl1_hdl *hdl, uint8_t mute[8], l1if_compl_cb *cb); + +struct msgb *l1p_msgb_alloc(void); +struct msgb *sysp_msgb_alloc(void); + +uint32_t l1if_lchan_to_hLayer(struct gsm_lchan *lchan); +struct gsm_lchan *l1if_hLayer_to_lchan(struct gsm_bts_trx *trx, uint32_t hLayer); + +/* tch.c */ +int l1if_tch_encode(struct gsm_lchan *lchan, uint8_t *data, uint8_t *len, + const uint8_t *rtp_pl, unsigned int rtp_pl_len, uint32_t fn, + bool use_cache, bool marker); +int l1if_tch_rx(struct gsm_bts_trx *trx, uint8_t chan_nr, 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, uint32_t fn); + +/* ciphering */ +int l1if_set_ciphering(struct oc2gl1_hdl *fl1h, + struct gsm_lchan *lchan, + int dir_downlink); + +/* channel control */ +int l1if_rsl_chan_act(struct gsm_lchan *lchan); +int l1if_rsl_chan_rel(struct gsm_lchan *lchan); +int l1if_rsl_chan_mod(struct gsm_lchan *lchan); +int l1if_rsl_deact_sacch(struct gsm_lchan *lchan); +int l1if_rsl_mode_modify(struct gsm_lchan *lchan); + +/* calibration loading */ +int calib_load(struct oc2gl1_hdl *fl1h); + +/* public helpers for test */ +int bts_check_for_ciph_cmd(struct oc2gl1_hdl *fl1h, + struct msgb *msg, struct gsm_lchan *lchan); +int l1if_ms_pwr_ctrl(struct gsm_lchan *lchan, const int uplink_target, + const uint8_t ms_power, const float rxLevel); + +static inline struct oc2gl1_hdl *trx_oc2gl1_hdl(struct gsm_bts_trx *trx) +{ + struct phy_instance *pinst = trx_phy_instance(trx); + OSMO_ASSERT(pinst); + return pinst->u.oc2g.hdl; +} + +static inline struct gsm_bts_trx *oc2gl1_hdl_trx(struct oc2gl1_hdl *fl1h) +{ + OSMO_ASSERT(fl1h->phy_inst); + return fl1h->phy_inst->trx; +} + +#endif /* _L1_IF_H */ |