From 3603b4d3d6bc0c5c2b15bec0c18484109fef5ede Mon Sep 17 00:00:00 2001 From: Sylvain Munaut Date: Wed, 16 Jan 2013 22:53:07 +0100 Subject: fw/trx: Initial import of the TRX firmware application Signed-off-by: Sylvain Munaut --- src/target/firmware/Makefile | 4 +- src/target/firmware/apps/trx/LICENSE | 661 +++++++++++++++++++++++++++++ src/target/firmware/apps/trx/Makefile | 2 + src/target/firmware/apps/trx/burst_queue.c | 195 +++++++++ src/target/firmware/apps/trx/burst_queue.h | 103 +++++ src/target/firmware/apps/trx/main.c | 123 ++++++ src/target/firmware/apps/trx/trx.c | 135 ++++++ 7 files changed, 1222 insertions(+), 1 deletion(-) create mode 100644 src/target/firmware/apps/trx/LICENSE create mode 100644 src/target/firmware/apps/trx/Makefile create mode 100644 src/target/firmware/apps/trx/burst_queue.c create mode 100644 src/target/firmware/apps/trx/burst_queue.h create mode 100644 src/target/firmware/apps/trx/main.c create mode 100644 src/target/firmware/apps/trx/trx.c diff --git a/src/target/firmware/Makefile b/src/target/firmware/Makefile index 0f4120f9..99a07063 100644 --- a/src/target/firmware/Makefile +++ b/src/target/firmware/Makefile @@ -84,7 +84,7 @@ BOARD_se_j100_ENVIRONMENTS=$(compal_COMMON_ENVIRONMENTS) # # List of all applications (meant to be overridden on command line) -APPLICATIONS?=hello_world compal_dsp_dump layer1 loader rssi menu +APPLICATIONS?=hello_world compal_dsp_dump layer1 loader rssi menu trx # Applications specific env requirements APP_loader_ENVIRONMENTS=compalram highram @@ -105,6 +105,8 @@ ANY_APP_LIBS+= calypso/libcalypso.a \ ../../shared/libosmocore/build-target/src/.libs/libosmocore.a \ ../../shared/libosmocore/build-target/src/gsm/.libs/libosmogsm.a +# Applications specific rules +-include apps/trx/Makefile # # Build rules diff --git a/src/target/firmware/apps/trx/LICENSE b/src/target/firmware/apps/trx/LICENSE new file mode 100644 index 00000000..dba13ed2 --- /dev/null +++ b/src/target/firmware/apps/trx/LICENSE @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/src/target/firmware/apps/trx/Makefile b/src/target/firmware/apps/trx/Makefile new file mode 100644 index 00000000..b728fae1 --- /dev/null +++ b/src/target/firmware/apps/trx/Makefile @@ -0,0 +1,2 @@ +APP_trx_DIR=apps/trx +APP_trx_SRCS=burst_queue.c trx.c diff --git a/src/target/firmware/apps/trx/burst_queue.c b/src/target/firmware/apps/trx/burst_queue.c new file mode 100644 index 00000000..dbd6bfa1 --- /dev/null +++ b/src/target/firmware/apps/trx/burst_queue.c @@ -0,0 +1,195 @@ +/* Burst queue */ + +/* + * Copyright (C) 2013 Sylvain Munaut + * + * 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 Affero 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 . + */ + +#include +#include +#include + +#include "burst_queue.h" + + +/* ------------------------------------------------------------------------ */ +/* FN handling helpers */ +/* ------------------------------------------------------------------------ */ + +#define FN_MAX ((2048*26*51)-1) + +static inline int fn_cmp(uint32_t fn1, uint32_t fn2) +{ + if (fn1 == fn2) + return 0; + + if ((fn2 > (FN_MAX >> 1)) && (fn1 < (FN_MAX >> 1))) + return 1; + + return fn1 < fn2 ? -1 : 1; +} + + +/* ------------------------------------------------------------------------ */ +/* Internal slot management */ +/* ------------------------------------------------------------------------ */ + +static uint16_t +bq_alloc_slot(struct burst_queue *bq) +{ + int i, j, n; + uint32_t fm; + uint16_t s; + + /* Find first zone with free blocks */ + n = (bq->capacity + 31) >> 5; + for (i=0; ifreemap[i] != 0xffffffff) + break; + } + + /* None ? */ + if (i == n) + return 0xffff; + + /* Find slot in that zone */ + fm = bq->freemap[i]; + + for (j=0; j<32; j++) + if (!(fm & (1 << j))) + break; + + /* Final index */ + s = (i << 5) | j; + + if (s >= bq->capacity) + return 0xffff; + + /* Allocate it */ + bq->freemap[i] |= (1 << j); + bq->used++; + + return s; +} + +static void +bq_free_slot(struct burst_queue *bq, uint16_t slot) +{ + bq->freemap[(slot >> 5)] &= ~(1 << (slot & 0x1f)); + bq->used--; +} + + +/* ------------------------------------------------------------------------ */ +/* Exposed API */ +/* ------------------------------------------------------------------------ */ + +void +bq_reset(struct burst_queue *bq) +{ + int i; + + for (i=0; in_heads; i++) + bq->head[i] = 0xffff; + + memset(bq->freemap, 0x00, sizeof(uint32_t) * ((bq->capacity+31) >> 5)); + memset(bq->slots, 0x00, sizeof(struct burst_queue_slot) * bq->capacity); +} + +void +bq_set_discard_fn(struct burst_queue *bq, bq_discard_fn_t cb, void *cb_data) +{ + bq->cb = cb; + bq->cb_data = cb_data; +} + +struct burst_data * +bq_push(struct burst_queue *bq, int head, uint32_t fn) +{ + uint16_t s; + + /* Get a slot */ + s = bq_alloc_slot(bq); + if (s == 0xffff) + return NULL; + + /* Do we need to replace the head ? */ + if ((bq->head[head] == 0xffff) || + (fn_cmp(fn, bq->slots[bq->head[head]].fn) < 0)) + { + bq->slots[s].fn = fn; + bq->slots[s].next = bq->head[head]; + bq->head[head] = s; + } + else + { + /* Insert at the right place */ + uint16_t c, n; + + c = bq->head[head]; + n = bq->slots[c].next; + + while ((n != 0xffff) && + (fn_cmp(fn, bq->slots[n].fn) > 0)) + { + c = n; + n = bq->slots[c].next; + } + + bq->slots[s].fn = fn; + bq->slots[s].next = n; + bq->slots[c].next = s; + } + + /* Done */ + return &bq->slots[s].data; +} + +/* Data remains valid until the next bq_push call */ +struct burst_data * +bq_pop_head(struct burst_queue *bq, int head, uint32_t fn) +{ + uint16_t h; + + /* Flush any pending burst < fn */ + while ((bq->head[head] != 0xffff) && + (fn_cmp(bq->slots[bq->head[head]].fn, fn) < 0)) + { + h = bq->head[head]; + + if (bq->cb) { + bq->cb(&bq->slots[h].data, + head, bq->slots[h].fn, bq->cb_data); + } + + bq->head[head] = bq->slots[h].next; + bq_free_slot(bq, h); + } + + /* Are we a match ? */ + h = bq->head[head]; + + if (h == 0xffff || bq->slots[h].fn != fn) + return NULL; + + /* Remove it */ + bq->head[head] = bq->slots[h].next; + bq_free_slot(bq, h); + + /* Return matching result */ + return &bq->slots[h].data; +} diff --git a/src/target/firmware/apps/trx/burst_queue.h b/src/target/firmware/apps/trx/burst_queue.h new file mode 100644 index 00000000..ebfd665a --- /dev/null +++ b/src/target/firmware/apps/trx/burst_queue.h @@ -0,0 +1,103 @@ +/* Burst queue */ + +/* + * Copyright (C) 2013 Sylvain Munaut + * + * 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 Affero 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 . + */ + +#ifndef __BURST_QUEUE_H__ +#define __BURST_QUEUE_H__ + + +#include + + +#define BURST_FB 0 +#define BURST_SB 1 +#define BURST_DUMMY 2 +#define BURST_NB 3 + +struct burst_data +{ + uint8_t type; /* BURST_??? */ + uint8_t data[15]; /* Only for NB */ +} __attribute__((packed)); + +struct burst_queue_slot +{ + uint32_t fn; + uint16_t next; /* Index in underlying storage */ + struct burst_data data; +} __attribute__((packed)); + +struct burst_queue; + +typedef void (*bq_discard_fn_t)( + struct burst_data *burst, int head, uint32_t fn, + void *data +); + +struct burst_queue +{ + int n_heads; + int capacity; + int used; + + bq_discard_fn_t cb; + void *cb_data; + + uint16_t *head; + uint32_t *freemap; + struct burst_queue_slot *slots; +}; + +#define BURST_QUEUE_STATIC(name, _n_heads, _capacity, qual) \ + static uint16_t name ## _head[(_capacity)] = { \ + [ 0 ... ((_capacity)-1) ] = 0xffff \ + }; \ + static uint32_t name ## _freemap[((_capacity)+31) >> 5]; \ + static struct burst_queue_slot name ## _slots[(_capacity)]; \ + qual struct burst_queue name = { \ + .n_heads = (_n_heads), \ + .capacity = (_capacity), \ + .used = 0, \ + .head = name ## _head, \ + .freemap = name ## _freemap, \ + .slots = name ## _slots, \ + }; + +void bq_reset(struct burst_queue *bq); +void bq_set_discard_fn(struct burst_queue *bq, bq_discard_fn_t cb, void *cb_data); + +struct burst_data *bq_push(struct burst_queue *bq, int head, uint32_t fn); +struct burst_data *bq_pop_head(struct burst_queue *bq, int head, uint32_t fn); + +static inline int bq_is_head_empty(struct burst_queue *bq, int head) +{ + return bq->head[head] == 0xffff; +} + +static inline uint32_t bq_get_head_fn(struct burst_queue *bq, int head) +{ + if (bq->head[head] != 0xffff) + return bq->slots[bq->head[head]].fn; + else + return (uint32_t)-1; +} + + +#endif /* __BURST_QUEUE_H__ */ diff --git a/src/target/firmware/apps/trx/main.c b/src/target/firmware/apps/trx/main.c new file mode 100644 index 00000000..b0170b92 --- /dev/null +++ b/src/target/firmware/apps/trx/main.c @@ -0,0 +1,123 @@ +/* main program for TRX function */ + +/* + * Copyright (C) 2013 Sylvain Munaut + * + * 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 Affero 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 . + */ + +#include +#include + +#include +#include +#include + +#include + +#include + +#include +#include +#include + +#include +#include +#include +#include + +#include + + +static void +key_handler(enum key_codes code, enum key_states state) +{ + if (state != PRESSED) + return; + + switch (code) { + default: + break; + } +} + + +/* MAIN program **************************************************************/ + +int main(void) +{ + const char *hr = "======================================================================\n"; + + /* Init board */ + board_init(1); + + /* Register keypad handler */ + keypad_set_handler(&key_handler); + + /* Debug console output */ + /* Ident */ + puts("\n\nOSMOCOM TRX (revision " GIT_REVISION ")\n"); + puts(hr); + + /* Dump device identification */ + dump_dev_id(); + puts(hr); + + /* Dump clock config after PLL set */ + calypso_clk_dump(); + puts(hr); + + /* Fill screen */ + fb_clear(); + + fb_setfg(FB_COLOR_BLACK); + fb_setbg(FB_COLOR_WHITE); + fb_setfont(FB_FONT_HELVB14); + + fb_gotoxy(2,20); + fb_putstr("TRX",framebuffer->width-4); + + fb_setfg(FB_COLOR_RED); + fb_setbg(FB_COLOR_BLUE); + + fb_gotoxy(2,25); + fb_boxto(framebuffer->width-3,38); + + fb_setfg(FB_COLOR_WHITE); + fb_setfont(FB_FONT_HELVR08); + fb_gotoxy(8,33); + fb_putstr("osmocom-bb",framebuffer->width-4); + + fb_flush(); + + /* Init TRX */ + trx_init(); + + /* Init layer 1 */ + layer1_init(); + + tpu_frame_irq_en(1, 1); + + /* Main loop */ + while (1) { + l1a_compl_execute(); + osmo_timers_update(); + l1a_l23_handler(); + } + + /* NOT REACHED */ + twl3025_power_off(); +} diff --git a/src/target/firmware/apps/trx/trx.c b/src/target/firmware/apps/trx/trx.c new file mode 100644 index 00000000..d48fdbbf --- /dev/null +++ b/src/target/firmware/apps/trx/trx.c @@ -0,0 +1,135 @@ +/* TRX implementation of Free Software for Calypso Phone */ + +/* + * Copyright (C) 2013 Sylvain Munaut + * + * 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 Affero 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 . + */ + +#include +#include +#include +#include + +#include +#include +#include + +#include "burst_queue.h" + + +/* Burst queue */ +BURST_QUEUE_STATIC(g_bq, 8, 512, static) + +/* Filler table */ +static struct burst_data fill_tn0[51]; + + +/* TRX Helpers **************************************************************/ + +static void +trx_init_filler(void) +{ + int i; + + for (i=0; i<51; i++) { + if ((i % 51) == 50) + fill_tn0[i].type = BURST_DUMMY; + else if (((i % 51) % 10) == 0) + fill_tn0[i].type = BURST_FB; + else if (((i % 51) % 10) == 1) + fill_tn0[i].type = BURST_SB; + else + fill_tn0[i].type = BURST_DUMMY; + } +} + +static void +trx_discarded_burst(struct burst_data *burst, + int head, uint32_t fn, __unused void *data) +{ + /* Only TN=0 */ + if (head) + return; + + /* Debug */ + printf("STALE BURST %" PRIu32 "\n", fn); + + /* Still copy to the filler table */ + memcpy(&fill_tn0[fn % 51], burst, sizeof(struct burst_data)); +} + + +/* TRX Interface ************************************************************/ + +void +trx_init(void) +{ + /* Init burst queue */ + bq_reset(&g_bq); + bq_set_discard_fn(&g_bq, trx_discarded_burst, NULL); + + /* Init filler table */ + trx_init_filler(); +} + +int +trx_put_burst(uint32_t fn, uint8_t tn, uint8_t type, uint8_t *data) +{ + struct burst_data *burst; + unsigned long flags; + + local_firq_save(flags); + + burst = bq_push(&g_bq, tn, fn); + if (!burst) + goto exit; + + burst->type = type; + if (burst->type == BURST_NB) + memcpy(burst->data, data, 15); + +exit: + local_irq_restore(flags); + + return 0; +} + +int +trx_get_burst(uint32_t fn, uint8_t tn, uint8_t *data) +{ + struct burst_data *burst; + int rc; + + /* Check for new burst */ + burst = bq_pop_head(&g_bq, tn, fn); + + if (burst) { + /* New burst: Copy to fill table & use it */ + memcpy(&fill_tn0[fn % 51], burst, sizeof(struct burst_data)); + + // printf("O %d %d %p\n", fn, g_bq.used, burst); + } else { + /* No data, just use the one from fill table */ + burst = &fill_tn0[fn % 51]; + } + + rc = burst->type; + if (burst->type == BURST_NB) + memcpy(data, burst->data, 15); + + return rc; +} -- cgit v1.2.3