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Bluetooth: hci: spi: add support for new SPI API

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Add shim routines for the new SPI driver API.

Signed-off-by: Marti Bolivar <marti.bolivar@linaro.org>
This commit is contained in:
Marti Bolivar 2017-07-13 12:22:52 -04:00 • committed by Johan Hedberg
commit 272e8ffccd
1 changed files with 32 additions and 3 deletions
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35
drivers/bluetooth/hci/spi.c
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@ -125,9 +125,38 @@ static inline int bt_spi_transceive(const void *tx, u32_t tx_len,
{ {
return spi_transceive(spi_dev, tx, tx_len, rx, rx_len); return spi_transceive(spi_dev, tx, tx_len, rx, rx_len);
} }
#else #else /* !defined(CONFIG_SPI_LEGACY_API) */
/* TODO add support for the new SPI API */ static struct spi_config spi_conf = {
#endif .frequency = CONFIG_BT_SPI_MAX_CLK_FREQ,
.operation = (SPI_OP_MODE_MASTER | SPI_TRANSFER_MSB | SPI_WORD_SET(8) |
SPI_LINES_SINGLE),
.vendor = 0,
.slave = 0,
.cs = NULL,
};
static struct spi_buf spi_tx_buf;
static struct spi_buf spi_rx_buf;
static inline int bt_spi_dev_configure(void)
{
spi_conf.dev = spi_dev;
return 0;
}
static inline int bt_spi_transceive(const void *tx, u32_t tx_len,
void *rx, u32_t rx_len)
{
/*
* It's OK to cast away const here: &spi_tx_buf is treated as
* const by spi_transceive().
*/
spi_tx_buf.buf = (void *)tx;
spi_tx_buf.len = (size_t)tx_len;
spi_rx_buf.buf = rx;
spi_rx_buf.len = (size_t)rx_len;
return spi_transceive(&spi_conf, &spi_tx_buf, 1, &spi_rx_buf, 1);
}
#endif /* CONFIG_SPI_LEGACY_API */
static inline u16_t bt_spi_get_cmd(u8_t *txmsg) static inline u16_t bt_spi_get_cmd(u8_t *txmsg)
{ {