1 /* ieee802154_cc1200.h - Registers definition for TI CC1200 */
2
3 /*
4 * Copyright (c) 2017 Intel Corporation.
5 *
6 * SPDX-License-Identifier: Apache-2.0
7 */
8
9 #ifndef ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC1200_H_
10 #define ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC1200_H_
11
12 #include <linker/sections.h>
13 #include <sys/atomic.h>
14 #include <drivers/spi.h>
15
16 #include <drivers/ieee802154/cc1200.h>
17
18 /* Note for EMK & EM adapter booster pack users:
19 * SPI pins are easy, RESET as well, but when it comes to GPIO:
20 * CHIP -> EM adapter
21 * GPIO0 -> GPIOA
22 * GPIO1 -> reserved (it's SPI MISO)
23 * GPIO2 -> GPIOB
24 * GPIO3 -> GPIO3
25 */
26
27 enum cc1200_gpio_index {
28 CC1200_GPIO_IDX_GPIO0,
29 CC1200_GPIO_IDX_MAX,
30 };
31
32 struct cc1200_gpio_configuration {
33 const struct device *dev;
34 uint32_t pin;
35 };
36
37 /* Runtime context structure
38 ***************************
39 */
40
41 struct cc1200_context {
42 struct net_if *iface;
43 /**************************/
44 struct cc1200_gpio_configuration gpios[CC1200_GPIO_IDX_MAX];
45 struct gpio_callback rx_tx_cb;
46 const struct device *spi;
47 struct spi_config spi_cfg;
48 uint8_t mac_addr[8];
49 /************RF************/
50 const struct cc1200_rf_registers_set *rf_settings;
51 /************TX************/
52 struct k_sem tx_sync;
53 atomic_t tx;
54 atomic_t tx_start;
55 /************RX************/
56 K_KERNEL_STACK_MEMBER(rx_stack,
57 CONFIG_IEEE802154_CC1200_RX_STACK_SIZE);
58 struct k_thread rx_thread;
59 struct k_sem rx_lock;
60 atomic_t rx;
61 };
62
63 #include "ieee802154_cc1200_regs.h"
64
65 /* Registers useful routines
66 ***************************
67 */
68
69 bool z_cc1200_access_reg(struct cc1200_context *ctx, bool read, uint8_t addr,
70 void *data, size_t length, bool extended, bool burst);
71
cc1200_read_single_reg(struct cc1200_context * ctx,uint8_t addr,bool extended)72 static inline uint8_t cc1200_read_single_reg(struct cc1200_context *ctx,
73 uint8_t addr, bool extended)
74 {
75 uint8_t val;
76
77 if (z_cc1200_access_reg(ctx, true, addr, &val, 1, extended, false)) {
78 return val;
79 }
80
81 return 0;
82 }
83
cc1200_write_single_reg(struct cc1200_context * ctx,uint8_t addr,uint8_t val,bool extended)84 static inline bool cc1200_write_single_reg(struct cc1200_context *ctx,
85 uint8_t addr, uint8_t val, bool extended)
86 {
87 return z_cc1200_access_reg(ctx, false, addr, &val, 1, extended, false);
88 }
89
cc1200_instruct(struct cc1200_context * ctx,uint8_t addr)90 static inline bool cc1200_instruct(struct cc1200_context *ctx, uint8_t addr)
91 {
92 return z_cc1200_access_reg(ctx, false, addr, NULL, 0, false, false);
93 }
94
95 #define DEFINE_REG_READ(__reg_name, __reg_addr, __ext) \
96 static inline uint8_t read_reg_##__reg_name(struct cc1200_context *ctx) \
97 { \
98 return cc1200_read_single_reg(ctx, __reg_addr, __ext); \
99 }
100
101 #define DEFINE_REG_WRITE(__reg_name, __reg_addr, __ext) \
102 static inline bool write_reg_##__reg_name(struct cc1200_context *ctx, \
103 uint8_t val) \
104 { \
105 return cc1200_write_single_reg(ctx, __reg_addr, \
106 val, __ext); \
107 }
108
109 DEFINE_REG_WRITE(iocfg3, CC1200_REG_IOCFG3, false)
110 DEFINE_REG_WRITE(iocfg2, CC1200_REG_IOCFG2, false)
111 DEFINE_REG_WRITE(iocfg0, CC1200_REG_IOCFG0, false)
112 DEFINE_REG_WRITE(pa_cfg1, CC1200_REG_PA_CFG1, false)
113 DEFINE_REG_WRITE(pkt_len, CC1200_REG_PKT_LEN, false)
114
115 DEFINE_REG_READ(fs_cfg, CC1200_REG_FS_CFG, false)
116 DEFINE_REG_READ(rssi0, CC1200_REG_RSSI0, true)
117 DEFINE_REG_READ(pa_cfg1, CC1200_REG_PA_CFG1, false)
118 DEFINE_REG_READ(num_txbytes, CC1200_REG_NUM_TXBYTES, true)
119 DEFINE_REG_READ(num_rxbytes, CC1200_REG_NUM_RXBYTES, true)
120
121
122 /* Instructions useful routines
123 ******************************
124 */
125
126 #define DEFINE_STROBE_INSTRUCTION(__ins_name, __ins_addr) \
127 static inline bool instruct_##__ins_name(struct cc1200_context *ctx) \
128 { \
129 return cc1200_instruct(ctx, __ins_addr); \
130 }
131
132 DEFINE_STROBE_INSTRUCTION(sres, CC1200_INS_SRES)
133 DEFINE_STROBE_INSTRUCTION(sfstxon, CC1200_INS_SFSTXON)
134 DEFINE_STROBE_INSTRUCTION(sxoff, CC1200_INS_SXOFF)
135 DEFINE_STROBE_INSTRUCTION(scal, CC1200_INS_SCAL)
136 DEFINE_STROBE_INSTRUCTION(srx, CC1200_INS_SRX)
137 DEFINE_STROBE_INSTRUCTION(stx, CC1200_INS_STX)
138 DEFINE_STROBE_INSTRUCTION(sidle, CC1200_INS_SIDLE)
139 DEFINE_STROBE_INSTRUCTION(safc, CC1200_INS_SAFC)
140 DEFINE_STROBE_INSTRUCTION(swor, CC1200_INS_SWOR)
141 DEFINE_STROBE_INSTRUCTION(spwd, CC1200_INS_SPWD)
142 DEFINE_STROBE_INSTRUCTION(sfrx, CC1200_INS_SFRX)
143 DEFINE_STROBE_INSTRUCTION(sftx, CC1200_INS_SFTX)
144 DEFINE_STROBE_INSTRUCTION(sworrst, CC1200_INS_SWORRST)
145 DEFINE_STROBE_INSTRUCTION(snop, CC1200_INS_SNOP)
146
147 #endif /* ZEPHYR_DRIVERS_IEEE802154_IEEE802154_CC1200_H_ */
148
