zephyr/drivers/ieee802154/ieee802154_cc2520.h
Tomasz Bursztyka 3587fe2fe3 drivers/ieee802154: Adapt cc2520 driver to new GPIO API
Update to use new API for GPIO pin configuration and operation.  Fix
invalid arithmetic on void pointer.  Mark all CC2520 GPIOs as required
in binding.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
2020-02-05 12:00:36 +01:00

207 lines
6.1 KiB
C

/* ieee802154_cc2520.h - Registers definition for TI CC2520 */
/*
* Copyright (c) 2016 Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC2520_H_
#define ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC2520_H_
#include <linker/sections.h>
#include <sys/atomic.h>
#include <drivers/spi.h>
enum cc2520_gpio_index {
CC2520_GPIO_IDX_VREG_EN = 0,
CC2520_GPIO_IDX_RESET,
CC2520_GPIO_IDX_FIFO,
CC2520_GPIO_IDX_CCA,
CC2520_GPIO_IDX_SFD,
CC2520_GPIO_IDX_FIFOP,
CC2520_GPIO_IDX_MAX,
};
struct cc2520_gpio_configuration {
struct device *dev;
u32_t pin;
};
/* Runtime context structure
***************************
*/
struct cc2520_context {
struct net_if *iface;
/**************************/
struct cc2520_gpio_configuration gpios[CC2520_GPIO_IDX_MAX];
struct gpio_callback sfd_cb;
struct gpio_callback fifop_cb;
struct device *spi;
struct spi_config spi_cfg;
u8_t mac_addr[8];
/************TX************/
struct k_sem tx_sync;
atomic_t tx;
/************RX************/
K_THREAD_STACK_MEMBER(cc2520_rx_stack,
CONFIG_IEEE802154_CC2520_RX_STACK_SIZE);
struct k_thread cc2520_rx_thread;
struct k_sem rx_lock;
#ifdef CONFIG_IEEE802154_CC2520_CRYPTO
struct k_sem access_lock;
#endif
bool overflow;
};
#include "ieee802154_cc2520_regs.h"
/* Registers useful routines
***************************
*/
bool z_cc2520_access(struct cc2520_context *ctx, bool read, u8_t ins,
u16_t addr, void *data, size_t length);
#define DEFINE_SREG_READ(__reg_name, __reg_addr) \
static inline u8_t read_reg_##__reg_name(struct cc2520_context *ctx) \
{ \
u8_t val; \
\
if (z_cc2520_access(ctx, true, CC2520_INS_MEMRD, \
__reg_addr, &val, 1)) { \
return val; \
} \
\
return 0; \
}
#define DEFINE_SREG_WRITE(__reg_name, __reg_addr) \
static inline bool write_reg_##__reg_name(struct cc2520_context *ctx, \
u8_t val) \
{ \
return z_cc2520_access(ctx, false, CC2520_INS_MEMWR, \
__reg_addr, &val, 1); \
}
#define DEFINE_FREG_READ(__reg_name, __reg_addr) \
static inline u8_t read_reg_##__reg_name(struct cc2520_context *ctx) \
{ \
u8_t val; \
\
if (z_cc2520_access(ctx, true, CC2520_INS_REGRD, \
__reg_addr, &val, 1)) { \
return val; \
} \
\
return 0; \
}
#define DEFINE_FREG_WRITE(__reg_name, __reg_addr) \
static inline bool write_reg_##__reg_name(struct cc2520_context *ctx, \
u8_t val) \
{ \
return z_cc2520_access(ctx, false, CC2520_INS_REGWR, \
__reg_addr, &val, 1); \
}
DEFINE_FREG_READ(excflag0, CC2520_FREG_EXCFLAG0)
DEFINE_FREG_READ(excflag1, CC2520_FREG_EXCFLAG1)
DEFINE_FREG_READ(excflag2, CC2520_FREG_EXCFLAG2)
DEFINE_FREG_READ(gpioctrl0, CC2520_FREG_GPIOCTRL0)
DEFINE_FREG_READ(gpioctrl1, CC2520_FREG_GPIOCTRL1)
DEFINE_FREG_READ(gpioctrl2, CC2520_FREG_GPIOCTRL2)
DEFINE_FREG_READ(gpioctrl3, CC2520_FREG_GPIOCTRL3)
DEFINE_FREG_READ(gpioctrl4, CC2520_FREG_GPIOCTRL4)
DEFINE_FREG_READ(gpioctrl5, CC2520_FREG_GPIOCTRL5)
DEFINE_FREG_READ(gpiopolarity, CC2520_FREG_GPIOPOLARITY)
DEFINE_FREG_READ(gpioctrl, CC2520_FREG_GPIOCTRL)
DEFINE_FREG_READ(txfifocnt, CC2520_FREG_TXFIFOCNT)
DEFINE_FREG_READ(rxfifocnt, CC2520_FREG_RXFIFOCNT)
DEFINE_FREG_READ(dpustat, CC2520_FREG_DPUSTAT)
DEFINE_FREG_WRITE(frmctrl0, CC2520_FREG_FRMCTRL0)
DEFINE_FREG_WRITE(frmctrl1, CC2520_FREG_FRMCTRL1)
DEFINE_FREG_WRITE(excflag0, CC2520_FREG_EXCFLAG0)
DEFINE_FREG_WRITE(excflag1, CC2520_FREG_EXCFLAG1)
DEFINE_FREG_WRITE(excflag2, CC2520_FREG_EXCFLAG2)
DEFINE_FREG_WRITE(frmfilt0, CC2520_FREG_FRMFILT0)
DEFINE_FREG_WRITE(frmfilt1, CC2520_FREG_FRMFILT1)
DEFINE_FREG_WRITE(srcmatch, CC2520_FREG_SRCMATCH)
DEFINE_FREG_WRITE(fifopctrl, CC2520_FREG_FIFOPCTRL)
DEFINE_FREG_WRITE(freqctrl, CC2520_FREG_FREQCTRL)
DEFINE_FREG_WRITE(txpower, CC2520_FREG_TXPOWER)
DEFINE_FREG_WRITE(ccactrl0, CC2520_FREG_CCACTRL0)
DEFINE_SREG_WRITE(mdmctrl0, CC2520_SREG_MDMCTRL0)
DEFINE_SREG_WRITE(mdmctrl1, CC2520_SREG_MDMCTRL1)
DEFINE_SREG_WRITE(rxctrl, CC2520_SREG_RXCTRL)
DEFINE_SREG_WRITE(fsctrl, CC2520_SREG_FSCTRL)
DEFINE_SREG_WRITE(fscal1, CC2520_SREG_FSCAL1)
DEFINE_SREG_WRITE(agcctrl1, CC2520_SREG_AGCCTRL1)
DEFINE_SREG_WRITE(adctest0, CC2520_SREG_ADCTEST0)
DEFINE_SREG_WRITE(adctest1, CC2520_SREG_ADCTEST1)
DEFINE_SREG_WRITE(adctest2, CC2520_SREG_ADCTEST2)
DEFINE_SREG_WRITE(extclock, CC2520_SREG_EXTCLOCK)
/* Memory useful routines
************************
*/
#define DEFINE_MEM_WRITE(__mem_name, __addr, __sz) \
static inline bool write_mem_##__mem_name(struct cc2520_context *ctx, \
u8_t *buf) \
{ \
return z_cc2520_access(ctx, false, CC2520_INS_MEMWR, \
__addr, buf, __sz); \
}
DEFINE_MEM_WRITE(short_addr, CC2520_MEM_SHORT_ADDR, 2)
DEFINE_MEM_WRITE(pan_id, CC2520_MEM_PAN_ID, 2)
DEFINE_MEM_WRITE(ext_addr, CC2520_MEM_EXT_ADDR, 8)
/* Instructions useful routines
******************************
*/
static inline bool cc2520_command_strobe(struct cc2520_context *ctx,
u8_t instruction)
{
return z_cc2520_access(ctx, false, instruction, 0, NULL, 0);
}
static inline bool cc2520_command_strobe_snop(struct cc2520_context *ctx,
u8_t instruction)
{
u8_t snop[1] = { CC2520_INS_SNOP };
return z_cc2520_access(ctx, false, instruction, 0, snop, 1);
}
#define DEFINE_STROBE_INSTRUCTION(__ins_name, __ins) \
static inline bool instruct_##__ins_name(struct cc2520_context *ctx) \
{ \
return cc2520_command_strobe(ctx, __ins); \
}
#define DEFINE_STROBE_SNOP_INSTRUCTION(__ins_name, __ins) \
static inline bool instruct_##__ins_name(struct cc2520_context *ctx) \
{ \
return cc2520_command_strobe_snop(ctx, __ins); \
}
DEFINE_STROBE_INSTRUCTION(srxon, CC2520_INS_SRXON)
DEFINE_STROBE_INSTRUCTION(srfoff, CC2520_INS_SRFOFF)
DEFINE_STROBE_INSTRUCTION(stxon, CC2520_INS_STXON)
DEFINE_STROBE_INSTRUCTION(stxoncca, CC2520_INS_STXONCCA)
DEFINE_STROBE_INSTRUCTION(sflushrx, CC2520_INS_SFLUSHRX)
DEFINE_STROBE_INSTRUCTION(sflushtx, CC2520_INS_SFLUSHTX)
DEFINE_STROBE_INSTRUCTION(sxoscoff, CC2520_INS_SXOSCOFF)
DEFINE_STROBE_SNOP_INSTRUCTION(sxoscon, CC2520_INS_SXOSCON)
#endif /* ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC2520_H_ */