1 /*
2  * Copyright (c) 2019 Manivannan Sadhasivam
3  * Copyright (c) 2020 Andreas Sandberg
4  * Copyright (c) 2021 Fabio Baltieri
5  *
6  * SPDX-License-Identifier: Apache-2.0
7  */
8 
9 #ifndef ZEPHYR_DRIVERS_SX126X_COMMON_H_
10 #define ZEPHYR_DRIVERS_SX126X_COMMON_H_
11 
12 #include <zephyr/types.h>
13 #include <zephyr/drivers/gpio.h>
14 #include <zephyr/drivers/lora.h>
15 #include <zephyr/drivers/spi.h>
16 
17 #include <sx126x/sx126x.h>
18 #include <sx126x-board.h>
19 
20 #if DT_HAS_COMPAT_STATUS_OKAY(semtech_sx1261)
21 #define DT_DRV_COMPAT semtech_sx1261
22 #define SX126X_DEVICE_ID SX1261
23 #elif DT_HAS_COMPAT_STATUS_OKAY(semtech_sx1262)
24 #define DT_DRV_COMPAT semtech_sx1262
25 #define SX126X_DEVICE_ID SX1262
26 #elif DT_HAS_COMPAT_STATUS_OKAY(st_stm32wl_subghz_radio)
27 #define DT_DRV_COMPAT st_stm32wl_subghz_radio
28 #define SX126X_DEVICE_ID SX1262
29 #else
30 #error No SX126x instance in device tree.
31 #endif
32 
33 #define HAVE_GPIO_ANTENNA_ENABLE			\
34 	DT_INST_NODE_HAS_PROP(0, antenna_enable_gpios)
35 #define HAVE_GPIO_TX_ENABLE	DT_INST_NODE_HAS_PROP(0, tx_enable_gpios)
36 #define HAVE_GPIO_RX_ENABLE	DT_INST_NODE_HAS_PROP(0, rx_enable_gpios)
37 
38 struct sx126x_config {
39 	struct spi_dt_spec bus;
40 #if HAVE_GPIO_ANTENNA_ENABLE
41 	struct gpio_dt_spec antenna_enable;
42 #endif
43 #if HAVE_GPIO_TX_ENABLE
44 	struct gpio_dt_spec tx_enable;
45 #endif
46 #if HAVE_GPIO_RX_ENABLE
47 	struct gpio_dt_spec rx_enable;
48 #endif
49 };
50 
51 struct sx126x_data {
52 	struct gpio_callback dio1_irq_callback;
53 	struct k_work dio1_irq_work;
54 	DioIrqHandler *radio_dio_irq;
55 	RadioOperatingModes_t mode;
56 };
57 
58 void sx126x_reset(struct sx126x_data *dev_data);
59 
60 bool sx126x_is_busy(struct sx126x_data *dev_data);
61 
62 uint32_t sx126x_get_dio1_pin_state(struct sx126x_data *dev_data);
63 
64 void sx126x_dio1_irq_enable(struct sx126x_data *dev_data);
65 
66 void sx126x_dio1_irq_disable(struct sx126x_data *dev_data);
67 
68 void sx126x_set_tx_params(int8_t power, RadioRampTimes_t ramp_time);
69 
70 int sx126x_variant_init(const struct device *dev);
71 
72 #endif /* ZEPHYR_DRIVERS_SX126X_COMMON_H_ */
73