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drivers: spi: nrfx_spi(m|s): add common init function

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Having a per-instance init function makes code cluttered and hard to
read. Just create a per-instance IRQ connect function (required to
resolve IRQ_CONNECT parameters at compile time).

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2022-06-20 22:42:13 +02:00 committed by Marti Bolivar
parent a8b444f956
commit 20177daa0f
3 changed files with 89 additions and 62 deletions
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47
drivers/spi/spi_nrfx_spi.c
View file

@ -26,6 +26,7 @@ struct spi_nrfx_data {
struct spi_nrfx_config {
nrfx_spi_t spi;
nrfx_spi_config_t def_config;
void (*irq_connect)(void);
#ifdef CONFIG_PINCTRL
const struct pinctrl_dev_config *pcfg;
#endif
@ -316,6 +317,31 @@ static int spi_nrfx_pm_action(const struct device *dev,
}
#endif /* CONFIG_PM_DEVICE */
static int spi_nrfx_init(const struct device *dev)
{
const struct spi_nrfx_config *dev_config = dev->config;
struct spi_nrfx_data *dev_data = dev->data;
int err;
#ifdef CONFIG_PINCTRL
err = pinctrl_apply_state(dev_config->pcfg, PINCTRL_STATE_DEFAULT);
if (err < 0) {
return err;
}
#endif
dev_config->irq_connect();
err = spi_context_cs_configure_all(&dev_data->ctx);
if (err < 0) {
return err;
}
spi_context_unlock_unconditionally(&dev_data->ctx);
return 0;
}
/*
* Current factors requiring use of DT_NODELABEL:
*
@ -354,26 +380,10 @@ static int spi_nrfx_pm_action(const struct device *dev,
SPI_PROP(idx, miso_pull_down)), \
"SPI"#idx \
": cannot enable both pull-up and pull-down on MISO line"); \
static int spi_##idx##_init(const struct device *dev) \
static void irq_connect##idx(void) \
{ \
struct spi_nrfx_data *dev_data = dev->data; \
int err; \
IRQ_CONNECT(DT_IRQN(SPI(idx)), DT_IRQ(SPI(idx), priority), \
nrfx_isr, nrfx_spi_##idx##_irq_handler, 0); \
IF_ENABLED(CONFIG_PINCTRL, ( \
const struct spi_nrfx_config *dev_config = dev->config;\
err = pinctrl_apply_state(dev_config->pcfg, \
PINCTRL_STATE_DEFAULT); \
if (err < 0) { \
return err; \
} \
)) \
err = spi_context_cs_configure_all(&dev_data->ctx); \
if (err < 0) { \
return err; \
} \
spi_context_unlock_unconditionally(&dev_data->ctx); \
return 0; \
} \
static struct spi_nrfx_data spi_##idx##_data = { \
SPI_CONTEXT_INIT_LOCK(spi_##idx##_data, ctx), \
@ -393,12 +403,13 @@ static int spi_nrfx_pm_action(const struct device *dev,
.ss_pin = NRFX_SPI_PIN_NOT_USED, \
.orc = SPI_PROP(idx, overrun_character), \
}, \
.irq_connect = irq_connect##idx, \
IF_ENABLED(CONFIG_PINCTRL, \
(.pcfg = PINCTRL_DT_DEV_CONFIG_GET(SPI(idx)),)) \
}; \
PM_DEVICE_DT_DEFINE(SPI(idx), spi_nrfx_pm_action); \
DEVICE_DT_DEFINE(SPI(idx), \
spi_##idx##_init, \
spi_nrfx_init, \
PM_DEVICE_DT_GET(SPI(idx)), \
&spi_##idx##_data, \
&spi_##idx##z_config, \

53
drivers/spi/spi_nrfx_spim.c
View file

@ -49,6 +49,7 @@ struct spi_nrfx_config {
nrfx_spim_t spim;
uint32_t max_freq;
nrfx_spim_config_t def_config;
void (*irq_connect)(void);
#ifdef CONFIG_PINCTRL
const struct pinctrl_dev_config *pcfg;
#endif
@ -482,6 +483,35 @@ static int spim_nrfx_pm_action(const struct device *dev,
}
#endif /* CONFIG_PM_DEVICE */
static int spi_nrfx_init(const struct device *dev)
{
const struct spi_nrfx_config *dev_config = dev->config;
struct spi_nrfx_data *dev_data = dev->data;
int err;
#ifdef CONFIG_PINCTRL
err = pinctrl_apply_state(dev_config->pcfg, PINCTRL_STATE_DEFAULT);
if (err < 0) {
return err;
}
#endif
dev_config->irq_connect();
err = spi_context_cs_configure_all(&dev_data->ctx);
if (err < 0) {
return err;
}
spi_context_unlock_unconditionally(&dev_data->ctx);
#ifdef CONFIG_SOC_NRF52832_ALLOW_SPIM_DESPITE_PAN_58
return anomaly_58_workaround_init(dev);
#else
return 0;
#endif
}
/*
* We use NODELABEL here because the nrfx API requires us to call
* functions which are named according to SoC peripheral instance
@ -528,28 +558,10 @@ static int spim_nrfx_pm_action(const struct device *dev,
SPIM_PROP(idx, miso_pull_down)), \
"SPIM"#idx \
": cannot enable both pull-up and pull-down on MISO line"); \
static int spi_##idx##_init(const struct device *dev) \
static void irq_connect##idx(void) \
{ \
struct spi_nrfx_data *dev_data = dev->data; \
int err; \
IRQ_CONNECT(DT_IRQN(SPIM(idx)), DT_IRQ(SPIM(idx), priority), \
nrfx_isr, nrfx_spim_##idx##_irq_handler, 0); \
IF_ENABLED(CONFIG_PINCTRL, ( \
const struct spi_nrfx_config *dev_config = dev->config;\
err = pinctrl_apply_state(dev_config->pcfg, \
PINCTRL_STATE_DEFAULT); \
if (err < 0) { \
return err; \
} \
)) \
err = spi_context_cs_configure_all(&dev_data->ctx); \
if (err < 0) { \
return err; \
} \
spi_context_unlock_unconditionally(&dev_data->ctx); \
COND_CODE_1(CONFIG_SOC_NRF52832_ALLOW_SPIM_DESPITE_PAN_58, \
(return anomaly_58_workaround_init(dev);), \
(return 0;)) \
} \
IF_ENABLED(SPI_BUFFER_IN_RAM, \
(static uint8_t spim_##idx##_buffer \
@ -577,6 +589,7 @@ static int spim_nrfx_pm_action(const struct device *dev,
.orc = SPIM_PROP(idx, overrun_character), \
SPI_NRFX_SPIM_EXTENDED_CONFIG(idx) \
}, \
.irq_connect = irq_connect##idx, \
COND_CODE_1(CONFIG_SOC_NRF52832_ALLOW_SPIM_DESPITE_PAN_58, \
(.anomaly_58_workaround = \
SPIM_PROP(idx, anomaly_58_workaround),), \
@ -586,7 +599,7 @@ static int spim_nrfx_pm_action(const struct device *dev,
}; \
PM_DEVICE_DT_DEFINE(SPIM(idx), spim_nrfx_pm_action); \
DEVICE_DT_DEFINE(SPIM(idx), \
spi_##idx##_init, \
spi_nrfx_init, \
PM_DEVICE_DT_GET(SPIM(idx)), \
&spi_##idx##_data, \
&spi_##idx##z_config, \

51
drivers/spi/spi_nrfx_spis.c
View file

@ -20,6 +20,8 @@ struct spi_nrfx_data {
struct spi_nrfx_config {
nrfx_spis_t spis;
nrfx_spis_config_t config;
void (*irq_connect)(void);
#ifdef CONFIG_PINCTRL
const struct pinctrl_dev_config *pcfg;
#endif
@ -227,18 +229,27 @@ static void event_handler(const nrfx_spis_evt_t *p_event, void *p_context)
}
}
static int init_spis(const struct device *dev,
const nrfx_spis_config_t *config)
static int spi_nrfx_init(const struct device *dev)
{
const struct spi_nrfx_config *dev_config = dev->config;
struct spi_nrfx_data *dev_data = dev->data;
nrfx_err_t result;
#ifdef CONFIG_PINCTRL
int err;
err = pinctrl_apply_state(dev_config->pcfg, PINCTRL_STATE_DEFAULT);
if (err < 0) {
return err;
}
#endif
/* This sets only default values of mode and bit order. The ones to be
* actually used are set in configure() when a transfer is prepared.
*/
nrfx_err_t result = nrfx_spis_init(&dev_config->spis,
config,
event_handler,
dev_data);
result = nrfx_spis_init(&dev_config->spis, &dev_config->config,
event_handler, dev_data);
if (result != NRFX_SUCCESS) {
LOG_ERR("Failed to initialize device: %s", dev->name);
return -EBUSY;
@ -275,26 +286,10 @@ static int init_spis(const struct device *dev,
#define SPI_NRFX_SPIS_DEFINE(idx) \
NRF_DT_CHECK_PIN_ASSIGNMENTS(SPIS(idx), 0, \
sck_pin, mosi_pin, miso_pin, csn_pin); \
static int spi_##idx##_init(const struct device *dev) \
static void irq_connect##idx(void) \
{ \
IRQ_CONNECT(DT_IRQN(SPIS(idx)), DT_IRQ(SPIS(idx), priority), \
nrfx_isr, nrfx_spis_##idx##_irq_handler, 0); \
const nrfx_spis_config_t config = { \
SPI_NRFX_SPIS_PIN_CFG(idx) \
.mode = NRF_SPIS_MODE_0, \
.bit_order = NRF_SPIS_BIT_ORDER_MSB_FIRST, \
.orc = SPIS_PROP(idx, overrun_character), \
.def = SPIS_PROP(idx, def_char), \
}; \
IF_ENABLED(CONFIG_PINCTRL, ( \
const struct spi_nrfx_config *dev_config = dev->config;\
int err = pinctrl_apply_state(dev_config->pcfg, \
PINCTRL_STATE_DEFAULT); \
if (err < 0) { \
return err; \
} \
)) \
return init_spis(dev, &config); \
} \
static struct spi_nrfx_data spi_##idx##_data = { \
SPI_CONTEXT_INIT_LOCK(spi_##idx##_data, ctx), \
@ -306,11 +301,19 @@ static int init_spis(const struct device *dev,
.p_reg = (NRF_SPIS_Type *)DT_REG_ADDR(SPIS(idx)), \
.drv_inst_idx = NRFX_SPIS##idx##_INST_IDX, \
}, \
.config = { \
SPI_NRFX_SPIS_PIN_CFG(idx) \
.mode = NRF_SPIS_MODE_0, \
.bit_order = NRF_SPIS_BIT_ORDER_MSB_FIRST, \
.orc = SPIS_PROP(idx, overrun_character), \
.def = SPIS_PROP(idx, def_char), \
}, \
.irq_connect = irq_connect##idx, \
IF_ENABLED(CONFIG_PINCTRL, \
(.pcfg = PINCTRL_DT_DEV_CONFIG_GET(SPIS(idx)),)) \
}; \
DEVICE_DT_DEFINE(SPIS(idx), \
spi_##idx##_init, \
spi_nrfx_init, \
NULL, \
&spi_##idx##_data, \
&spi_##idx##z_config, \