Files
hackrf/firmware/common/fpga_regs.def

75 lines
2.6 KiB
C

/* -*- mode: c -*-
*
* Copyright 2012 Michael Ossmann
* Copyright 2025 Great Scott Gadgets <info@greatscottgadgets.com>
*
* This file is part of HackRF.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __FPGA_REGS_DEF
#define __FPGA_REGS_DEF
#define FPGA_REG_SET_CLEAN(_d, _r) (_d->regs_dirty &= ~(1UL<<_r))
#define FPGA_REG_SET_DIRTY(_d, _r) (_d->regs_dirty |= (1UL<<_r))
/* Generate static inline accessors that operate on the global
* regs. Done this way to (1) allow defs to be scraped out and used
* elsewhere, e.g. in scripts, (2) to avoid dealing with endian
* (structs). This may be used in firmware, or on host predefined
* register loads. */
/* On set_, register is always set dirty, even if nothing
* changed. This makes sure that writes that have side effects,
* e.g. frequency setting, are not skipped. */
/* n=name, r=regnum, o=offset (bits from LSB) of LSB of field,
* l=length (bits) */
#define __MREG__(n,r,o,l) \
static inline uint8_t get_##n(fpga_driver_t* const _d) { \
return (_d->regs[r] >> o) & ((1L<<l)-1); \
} \
static inline void set_##n(fpga_driver_t* const _d, uint8_t v) { \
_d->regs[r] &= (uint8_t)(~(((1L<<l)-1)<<o)); \
_d->regs[r] |= (uint8_t)(((v&((1L<<l)-1))<<o)); \
FPGA_REG_SET_DIRTY(_d, r); \
} \
const uint8_t n = r;
/* REG 01 (1): CTRL */
__MREG__(FPGA_STANDARD_CTRL, 1, 0, 8)
__MREG__(FPGA_STANDARD_CTRL_DC_BLOCK, 1, 0, 1)
__MREG__(FPGA_STANDARD_CTRL_QUARTER_SHIFT_EN, 1, 1, 1)
__MREG__(FPGA_STANDARD_CTRL_QUARTER_SHIFT_UP, 1, 2, 1)
__MREG__(FPGA_STANDARD_CTRL_PRBS, 1, 6, 1)
__MREG__(FPGA_STANDARD_CTRL_TRIGGER_EN, 1, 7, 1)
/* REG 02 (2): RX_DECIM */
__MREG__(FPGA_STANDARD_RX_DECIM, 2, 0, 3)
/* REG 03 (3): TX_CTRL */
__MREG__(FPGA_STANDARD_TX_CTRL, 3, 0, 1)
__MREG__(FPGA_STANDARD_TX_CTRL_NCO_EN, 3, 0, 1)
/* REG 04 (4): TX_INTRP */
__MREG__(FPGA_STANDARD_TX_INTRP, 4, 0, 3)
/* REG 05 (5): TX_PSTEP */
__MREG__(FPGA_STANDARD_TX_PSTEP, 5, 0, 8)
#endif // __FPGA_REGS_DEF