diff options
Diffstat (limited to 'src/host/virt_phy/include/layer1/sync.h')
| -rw-r--r-- | src/host/virt_phy/include/layer1/sync.h | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/src/host/virt_phy/include/layer1/sync.h b/src/host/virt_phy/include/layer1/sync.h deleted file mode 100644 index dae85a1a..00000000 --- a/src/host/virt_phy/include/layer1/sync.h +++ /dev/null @@ -1,204 +0,0 @@ -#ifndef _L1_SYNC_H -#define _L1_SYNC_H - -#include <osmocom/core/linuxlist.h> -#include <osmocom/gsm/gsm_utils.h> -#include <layer1/tdma_sched.h> -#include <layer1/mframe_sched.h> -#include <l1ctl_proto.h> - -/* structure representing L1 sync information about a cell */ -struct l1_cell_info { - /* on which ARFCN (+band) is the cell? */ - uint16_t arfcn; - /* what's the BSIC of the cell (from SCH burst decoding) */ - uint8_t bsic; - /* Combined or non-combined CCCH */ - uint8_t ccch_mode; /* enum ccch_mode */ - /* whats the delta of the cells current GSM frame number - * compared to our current local frame number */ - int32_t fn_offset; - /* how much does the TPU need adjustment (delta) to synchronize - * with the cells burst */ - uint32_t time_alignment; - /* FIXME: should we also store the AFC value? */ -}; - -enum l1s_chan { - L1S_CHAN_MAIN, - L1S_CHAN_SACCH, - L1S_CHAN_TRAFFIC, - _NUM_L1S_CHAN -}; - -enum l1_compl { - L1_COMPL_FB, - L1_COMPL_RACH, - L1_COMPL_TX_NB, - L1_COMPL_TX_TCH, -}; - -typedef void l1_compl_cb(enum l1_compl c); - -#define L1S_NUM_COMPL 32 -#define L1S_NUM_NEIGH_CELL 6 - -struct l1s_h0 { - uint16_t arfcn; -}; - -struct l1s_h1 { - uint8_t hsn; - uint8_t maio; - uint8_t n; - uint16_t ma[64]; -}; - -struct l1s_state { - struct gsm_time current_time; /* current GSM time */ - struct gsm_time next_time; /* GSM time at next TMDMA irq */ - - /* the cell on which we are camping right now */ - struct l1_cell_info serving_cell; - - /* neighbor cell sync info */ - struct l1_cell_info neigh_cell[L1S_NUM_NEIGH_CELL]; - - /* TDMA scheduler */ - struct tdma_scheduler tdma_sched; - - /* Multiframe scheduler */ - struct mframe_scheduler mframe_sched; - - /* The current TPU offset register */ - uint32_t tpu_offset; - int32_t tpu_offset_correction; - - /* TX parameters */ - int8_t ta; - uint8_t tx_power; - - /* TCH */ - uint8_t tch_mode; - uint8_t tch_sync; - uint8_t audio_mode; - - /* Transmit queues of pending packets for main DCCH and ACCH */ - struct llist_head tx_queue[_NUM_L1S_CHAN]; - struct msgb *tx_meas; - - /* Which L1A completions are scheduled right now */ - uint32_t scheduled_compl; - /* callbacks for each of the completions */ - l1_compl_cb *completion[L1S_NUM_COMPL]; - - /* Structures below are for L1-task specific parameters, used - * to communicate between l1-sync and l1-async (l23_api) */ - struct { - uint8_t mode; /* FB_MODE 0/1 */ - } fb; - - struct { - /* power measurement l1 task */ - unsigned int mode; - union { - struct { - uint16_t arfcn_start; - uint16_t arfcn_next; - uint16_t arfcn_end; - } range; - }; - struct msgb *msg; - } pm; - - struct { - uint8_t ra; - } rach; - - struct { - enum { - GSM_DCHAN_NONE = 0, - GSM_DCHAN_SDCCH_4, - GSM_DCHAN_SDCCH_8, - GSM_DCHAN_TCH_H, - GSM_DCHAN_TCH_F, - GSM_DCHAN_UNKNOWN, - } type; - - uint8_t scn; - uint8_t tsc; - uint8_t tn; - uint8_t h; - - union { - struct l1s_h0 h0; - struct l1s_h1 h1; - }; - - uint8_t st_tsc; - uint8_t st_tn; - uint8_t st_h; - - union { - struct l1s_h0 st_h0; - struct l1s_h1 st_h1; - }; - } dedicated; - - /* neighbour cell power measurement process */ - struct { - uint8_t n, second; - uint8_t pos; - uint8_t running; - uint16_t band_arfcn[64]; - uint8_t tn[64]; - uint8_t level[64]; - } neigh_pm; -}; - -extern struct l1s_state l1s; - -struct l1s_meas_hdr { - uint16_t snr; /* signal/noise ratio */ - int16_t toa_qbit; /* time of arrival (qbits) */ - int16_t pm_dbm8; /* power level in dbm/8 */ - int16_t freq_err; /* Frequency error in Hz */ -}; - -int16_t l1s_snr_int(uint16_t snr); -uint16_t l1s_snr_fract(uint16_t snr); - -void l1s_dsp_abort(void); - -void l1s_tx_apc_helper(uint16_t arfcn); - -/* schedule a completion */ -void l1s_compl_sched(enum l1_compl c); - -void l1s_init(void); - -/* reset the layer1 as part of synchronizing to a new cell */ -void l1s_reset(void); - -/* init.c */ -void layer1_init(void); - -/* A debug macro to print every TDMA frame */ -#ifdef DEBUG_EVERY_TDMA -#define putchart(x) putchar(x) -#else -#define putchart(x) -#endif - -/* Convert an angle in fx1.15 notatinon into Hz */ -#define BITFREQ_DIV_2PI 43104 /* 270kHz / 2 * pi */ -#define BITFREQ_DIV_PI 86208 /* 270kHz / pi */ -#define ANG2FREQ_SCALING (2<<15) /* 2^15 scaling factor for fx1.15 */ -#define ANGLE_TO_FREQ(angle) ((int16_t)angle * BITFREQ_DIV_PI / ANG2FREQ_SCALING) - -void l1s_reset_hw(void); -void synchronize_tdma(struct l1_cell_info *cinfo); -void l1s_time_inc(struct gsm_time *time, uint32_t delta_fn); -void l1s_time_dump(const struct gsm_time *time); - -#endif /* _L1_SYNC_H */ |