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drivers: bluetooth: hci: Support raw mode in ST HCI SPI BT driver

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Add raw mode in ST HCI SPI BT driver to support host-less configuration.

Remove compilation dependency for BT_QUIRK_NO_RESET as it applies to all
configurations.

Signed-off-by: Ali Hozhabri <ali.hozhabri@st.com>
This commit is contained in:
Ali Hozhabri 2024-02-27 18:15:59 +01:00 • committed by Fabio Baltieri
commit 9d8d20febb
1 changed files with 26 additions and 4 deletions
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30
drivers/bluetooth/hci/hci_spi_st.c
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@ -23,6 +23,7 @@
#include <zephyr/bluetooth/hci.h> #include <zephyr/bluetooth/hci.h>
#include <zephyr/drivers/bluetooth/hci_driver.h> #include <zephyr/drivers/bluetooth/hci_driver.h>
#include <zephyr/bluetooth/hci_raw.h>
#define LOG_LEVEL CONFIG_BT_HCI_DRIVER_LOG_LEVEL #define LOG_LEVEL CONFIG_BT_HCI_DRIVER_LOG_LEVEL
#include <zephyr/logging/log.h> #include <zephyr/logging/log.h>
@ -86,7 +87,6 @@ static K_SEM_DEFINE(sem_busy, 1, 1);
static K_KERNEL_STACK_DEFINE(spi_rx_stack, CONFIG_BT_DRV_RX_STACK_SIZE); static K_KERNEL_STACK_DEFINE(spi_rx_stack, CONFIG_BT_DRV_RX_STACK_SIZE);
static struct k_thread spi_rx_thread_data; static struct k_thread spi_rx_thread_data;
#if defined(CONFIG_BT_BLUENRG_ACI)
#define BLUENRG_ACI_WRITE_CONFIG_DATA BT_OP(BT_OGF_VS, 0x000C) #define BLUENRG_ACI_WRITE_CONFIG_DATA BT_OP(BT_OGF_VS, 0x000C)
#define BLUENRG_CONFIG_PUBADDR_OFFSET 0x00 #define BLUENRG_CONFIG_PUBADDR_OFFSET 0x00
#define BLUENRG_CONFIG_PUBADDR_LEN 0x06 #define BLUENRG_CONFIG_PUBADDR_LEN 0x06
@ -94,7 +94,6 @@ static struct k_thread spi_rx_thread_data;
#define BLUENRG_CONFIG_LL_ONLY_LEN 0x01 #define BLUENRG_CONFIG_LL_ONLY_LEN 0x01
static int bt_spi_send_aci_config(uint8_t offset, const uint8_t *value, size_t value_len); static int bt_spi_send_aci_config(uint8_t offset, const uint8_t *value, size_t value_len);
#endif /* CONFIG_BT_BLUENRG_ACI */
static const struct spi_dt_spec bus = SPI_DT_SPEC_INST_GET( static const struct spi_dt_spec bus = SPI_DT_SPEC_INST_GET(
0, SPI_OP_MODE_MASTER | SPI_TRANSFER_MSB | SPI_WORD_SET(8), 0); 0, SPI_OP_MODE_MASTER | SPI_TRANSFER_MSB | SPI_WORD_SET(8), 0);
@ -151,7 +150,9 @@ static bool bt_spi_handle_vendor_evt(uint8_t *msg)
switch (bt_spi_get_evt(msg)) { switch (bt_spi_get_evt(msg)) {
case EVT_BLUE_INITIALIZED: { case EVT_BLUE_INITIALIZED: {
k_sem_give(&sem_initialised); k_sem_give(&sem_initialised);
#if defined(CONFIG_BT_BLUENRG_ACI)
handled = true; handled = true;
#endif
} }
default: default:
break; break;
@ -294,8 +295,16 @@ static int bt_spi_send_aci_config(uint8_t offset, const uint8_t *value, size_t v
struct net_buf *buf; struct net_buf *buf;
uint8_t *cmd_data; uint8_t *cmd_data;
size_t data_len = 2 + value_len; size_t data_len = 2 + value_len;
#if defined(CONFIG_BT_HCI_RAW)
struct bt_hci_cmd_hdr hdr;
hdr.opcode = sys_cpu_to_le16(BLUENRG_ACI_WRITE_CONFIG_DATA);
hdr.param_len = data_len;
buf = bt_buf_get_tx(BT_BUF_CMD, K_NO_WAIT, &hdr, sizeof(hdr));
#else
buf = bt_hci_cmd_create(BLUENRG_ACI_WRITE_CONFIG_DATA, data_len); buf = bt_hci_cmd_create(BLUENRG_ACI_WRITE_CONFIG_DATA, data_len);
#endif /* CONFIG_BT_HCI_RAW */
if (!buf) { if (!buf) {
return -ENOBUFS; return -ENOBUFS;
} }
@ -305,9 +314,14 @@ static int bt_spi_send_aci_config(uint8_t offset, const uint8_t *value, size_t v
cmd_data[1] = value_len; cmd_data[1] = value_len;
memcpy(&cmd_data[2], value, value_len); memcpy(&cmd_data[2], value, value_len);
#if defined(CONFIG_BT_HCI_RAW)
return bt_send(buf);
#else
return bt_hci_cmd_send(BLUENRG_ACI_WRITE_CONFIG_DATA, buf); return bt_hci_cmd_send(BLUENRG_ACI_WRITE_CONFIG_DATA, buf);
#endif /* CONFIG_BT_HCI_RAW */
} }
#if !defined(CONFIG_BT_HCI_RAW)
static int bt_spi_bluenrg_setup(const struct bt_hci_setup_params *params) static int bt_spi_bluenrg_setup(const struct bt_hci_setup_params *params)
{ {
int ret; int ret;
@ -331,6 +345,8 @@ static int bt_spi_bluenrg_setup(const struct bt_hci_setup_params *params)
return 0; return 0;
} }
#endif /* !CONFIG_BT_HCI_RAW */
#endif /* CONFIG_BT_BLUENRG_ACI */ #endif /* CONFIG_BT_BLUENRG_ACI */
static struct net_buf *bt_spi_rx_buf_construct(uint8_t *msg) static struct net_buf *bt_spi_rx_buf_construct(uint8_t *msg)
@ -579,16 +595,22 @@ static int bt_spi_open(void)
/* Device will let us know when it's ready */ /* Device will let us know when it's ready */
k_sem_take(&sem_initialised, K_FOREVER); k_sem_take(&sem_initialised, K_FOREVER);
#if defined(CONFIG_BT_HCI_RAW) && defined(CONFIG_BT_BLUENRG_ACI)
/* force BlueNRG to be on controller mode */
uint8_t data = 1;
bt_spi_send_aci_config(BLUENRG_CONFIG_LL_ONLY_OFFSET, &data, 1);
#endif /* CONFIG_BT_HCI_RAW && CONFIG_BT_BLUENRG_ACI */
return 0; return 0;
} }
static const struct bt_hci_driver drv = { static const struct bt_hci_driver drv = {
.name = DEVICE_DT_NAME(DT_DRV_INST(0)), .name = DEVICE_DT_NAME(DT_DRV_INST(0)),
.bus = BT_HCI_DRIVER_BUS_SPI, .bus = BT_HCI_DRIVER_BUS_SPI,
#if defined(CONFIG_BT_BLUENRG_ACI)
.quirks = BT_QUIRK_NO_RESET, .quirks = BT_QUIRK_NO_RESET,
#if defined(CONFIG_BT_BLUENRG_ACI) && !defined(CONFIG_BT_HCI_RAW)
.setup = bt_spi_bluenrg_setup, .setup = bt_spi_bluenrg_setup,
#endif /* CONFIG_BT_BLUENRG_ACI */ #endif /* CONFIG_BT_BLUENRG_ACI && !CONFIG_BT_HCI_RAW */
.open = bt_spi_open, .open = bt_spi_open,
.send = bt_spi_send, .send = bt_spi_send,
}; };