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gdma: esp32: Modulate interrupts with low level calls

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Use LL calls to enable/disable interrupts rather than make calls to the
interrupt controller.

Signed-off-by: Raffael Rostagno <raffael.rostagno@espressif.com>
This commit is contained in:
Raffael Rostagno 2024-06-20 17:37:00 -03:00 committed by Maureen Helm
parent 1b72ec0329
commit f4802dd7bd
1 changed files with 20 additions and 94 deletions
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114
drivers/dma/dma_esp32_gdma.c
View file

@ -60,9 +60,6 @@ struct dma_esp32_channel {
dma_callback_t cb;
void *user_data;
dma_descriptor_t desc;
#if defined(CONFIG_SOC_SERIES_ESP32S3)
struct intr_handle_data_t *intr_handle;
#endif
};
struct dma_esp32_config {
@ -108,7 +105,7 @@ static void IRAM_ATTR dma_esp32_isr_handle_tx(const struct device *dev,
}
}
#if !defined(CONFIG_SOC_SERIES_ESP32C6)
#if !defined(CONFIG_SOC_SERIES_ESP32C6) && !defined(CONFIG_SOC_SERIES_ESP32S3)
static void IRAM_ATTR dma_esp32_isr_handle(const struct device *dev, uint8_t rx_id, uint8_t tx_id)
{
struct dma_esp32_config *config = (struct dma_esp32_config *)dev->config;
@ -129,54 +126,6 @@ static void IRAM_ATTR dma_esp32_isr_handle(const struct device *dev, uint8_t rx_
}
#endif
#if defined(CONFIG_SOC_SERIES_ESP32C3)
static int dma_esp32_enable_interrupt(const struct device *dev,
struct dma_esp32_channel *dma_channel)
{
struct dma_esp32_config *config = (struct dma_esp32_config *)dev->config;
return esp_intr_enable(config->irq_src[dma_channel->channel_id]);
}
static int dma_esp32_disable_interrupt(const struct device *dev,
struct dma_esp32_channel *dma_channel)
{
struct dma_esp32_config *config = (struct dma_esp32_config *)dev->config;
return esp_intr_disable(config->irq_src[dma_channel->channel_id]);
}
#elif defined(CONFIG_SOC_SERIES_ESP32C6)
static int dma_esp32_enable_interrupt(const struct device *dev, uint32_t channel)
{
struct dma_esp32_config *config = (struct dma_esp32_config *)dev->config;
return esp_intr_enable(config->irq_src[channel]);
}
static int dma_esp32_disable_interrupt(const struct device *dev, uint32_t channel)
{
struct dma_esp32_config *config = (struct dma_esp32_config *)dev->config;
return esp_intr_disable(config->irq_src[channel]);
}
#else
static int dma_esp32_enable_interrupt(const struct device *dev,
struct dma_esp32_channel *dma_channel)
{
struct dma_esp32_config *config = (struct dma_esp32_config *)dev->config;
return esp_intr_enable(dma_channel->intr_handle);
}
static int dma_esp32_disable_interrupt(const struct device *dev,
struct dma_esp32_channel *dma_channel)
{
struct dma_esp32_config *config = (struct dma_esp32_config *)dev->config;
return esp_intr_disable(dma_channel->intr_handle);
}
#endif
static int dma_esp32_config_rx_descriptor(struct dma_esp32_channel *dma_channel,
struct dma_block_config *block)
{
@ -359,20 +308,17 @@ static int dma_esp32_start(const struct device *dev, uint32_t channel)
return -EINVAL;
}
#if defined(CONFIG_SOC_SERIES_ESP32C6)
if (dma_esp32_enable_interrupt(dev, channel)) {
#else
if (dma_esp32_enable_interrupt(dev, dma_channel)) {
#endif
return -EINVAL;
}
if (dma_channel->periph_id == SOC_GDMA_TRIG_PERIPH_M2M0) {
struct dma_esp32_channel *dma_channel_rx =
&config->dma_channel[dma_channel->channel_id * 2];
struct dma_esp32_channel *dma_channel_tx =
&config->dma_channel[(dma_channel->channel_id * 2) + 1];
gdma_ll_rx_enable_interrupt(data->hal.dev, dma_channel->channel_id,
UINT32_MAX, true);
gdma_ll_tx_enable_interrupt(data->hal.dev, dma_channel->channel_id,
GDMA_LL_EVENT_TX_EOF, true);
gdma_ll_rx_set_desc_addr(data->hal.dev, dma_channel->channel_id,
(int32_t)&dma_channel_rx->desc);
gdma_ll_rx_start(data->hal.dev, dma_channel->channel_id);
@ -382,10 +328,14 @@ static int dma_esp32_start(const struct device *dev, uint32_t channel)
gdma_ll_tx_start(data->hal.dev, dma_channel->channel_id);
} else {
if (dma_channel->dir == DMA_RX) {
gdma_ll_rx_enable_interrupt(data->hal.dev, dma_channel->channel_id,
UINT32_MAX, true);
gdma_ll_rx_set_desc_addr(data->hal.dev, dma_channel->channel_id,
(int32_t)&dma_channel->desc);
gdma_ll_rx_start(data->hal.dev, dma_channel->channel_id);
} else if (dma_channel->dir == DMA_TX) {
gdma_ll_tx_enable_interrupt(data->hal.dev, dma_channel->channel_id,
GDMA_LL_EVENT_TX_EOF, true);
gdma_ll_tx_set_desc_addr(data->hal.dev, dma_channel->channel_id,
(int32_t)&dma_channel->desc);
gdma_ll_tx_start(data->hal.dev, dma_channel->channel_id);
@ -409,22 +359,22 @@ static int dma_esp32_stop(const struct device *dev, uint32_t channel)
return -EINVAL;
}
#if defined(CONFIG_SOC_SERIES_ESP32C6)
if (dma_esp32_disable_interrupt(dev, channel)) {
#else
if (dma_esp32_disable_interrupt(dev, dma_channel)) {
#endif
return -EINVAL;
}
if (dma_channel->periph_id == SOC_GDMA_TRIG_PERIPH_M2M0) {
gdma_ll_rx_enable_interrupt(data->hal.dev, dma_channel->channel_id,
UINT32_MAX, false);
gdma_ll_tx_enable_interrupt(data->hal.dev, dma_channel->channel_id,
GDMA_LL_EVENT_TX_EOF, false);
gdma_ll_rx_stop(data->hal.dev, dma_channel->channel_id);
gdma_ll_tx_stop(data->hal.dev, dma_channel->channel_id);
}
if (dma_channel->dir == DMA_RX) {
gdma_ll_rx_enable_interrupt(data->hal.dev, dma_channel->channel_id,
UINT32_MAX, false);
gdma_ll_rx_stop(data->hal.dev, dma_channel->channel_id);
} else if (dma_channel->dir == DMA_TX) {
gdma_ll_tx_enable_interrupt(data->hal.dev, dma_channel->channel_id,
GDMA_LL_EVENT_TX_EOF, false);
gdma_ll_tx_stop(data->hal.dev, dma_channel->channel_id);
}
@ -499,7 +449,6 @@ static int dma_esp32_reload(const struct device *dev, uint32_t channel, uint32_t
return 0;
}
#if defined(CONFIG_SOC_SERIES_ESP32C3) || defined(CONFIG_SOC_SERIES_ESP32C6)
static int dma_esp32_configure_irq(const struct device *dev)
{
struct dma_esp32_config *config = (struct dma_esp32_config *)dev->config;
@ -518,30 +467,7 @@ static int dma_esp32_configure_irq(const struct device *dev)
return 0;
}
#else
static int dma_esp32_configure_irq(const struct device *dev)
{
struct dma_esp32_config *config = (struct dma_esp32_config *)dev->config;
struct dma_esp32_data *data = (struct dma_esp32_data *)dev->data;
struct dma_esp32_channel *dma_channel;
for (uint8_t i = 0; i < config->irq_size; i++) {
dma_channel = &config->dma_channel[i];
int ret = esp_intr_alloc(config->irq_src[i],
0,
(ISR_HANDLER)config->irq_handlers[i / 2],
(void *)dev,
&dma_channel->intr_handle);
if (ret != 0) {
LOG_ERR("Could not allocate interrupt handler");
return ret;
}
}
return 0;
}
#endif
static int dma_esp32_init(const struct device *dev)
{
struct dma_esp32_config *config = (struct dma_esp32_config *)dev->config;
@ -588,7 +514,7 @@ static const struct dma_driver_api dma_esp32_api = {
.reload = dma_esp32_reload,
};
#if defined(CONFIG_SOC_SERIES_ESP32C6)
#if defined(CONFIG_SOC_SERIES_ESP32C6) || defined(CONFIG_SOC_SERIES_ESP32S3)
#define DMA_ESP32_DEFINE_IRQ_HANDLER(channel) \
__attribute__((unused)) static void IRAM_ATTR dma_esp32_isr_##channel##_rx( \
@ -626,7 +552,7 @@ static const struct dma_driver_api dma_esp32_api = {
#endif
#if defined(CONFIG_SOC_SERIES_ESP32C6)
#if defined(CONFIG_SOC_SERIES_ESP32C6) || defined(CONFIG_SOC_SERIES_ESP32S3)
#define ESP32_DMA_HANDLER(channel) dma_esp32_isr_##channel##_rx, dma_esp32_isr_##channel##_tx
#else
#define ESP32_DMA_HANDLER(channel) dma_esp32_isr_##channel