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feat(lcd): support parlio lcd interface

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This commit is contained in:
Chen Jichang
2024-11-13 16:29:06 +08:00
committed by Chen Ji Chang
parent b6b0758e42
commit e890b4bd7e
35 changed files with 1119 additions and 59 deletions
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components/esp_driver_parlio/src/parlio_private.h
-7
View File
@@ -68,13 +68,6 @@ typedef dma_descriptor_align8_t parlio_dma_desc_t;
#define PARLIO_MAX_ALIGNED_DMA_BUF_SIZE DMA_DESCRIPTOR_BUFFER_MAX_SIZE_4B_ALIGNED
#endif
#ifdef CACHE_LL_L2MEM_NON_CACHE_ADDR
/* The descriptor address can be mapped by a fixed offset */
#define PARLIO_GET_NON_CACHED_DESC_ADDR(desc) (desc ? (parlio_dma_desc_t *)(CACHE_LL_L2MEM_NON_CACHE_ADDR(desc)) : NULL)
#else
#define PARLIO_GET_NON_CACHED_DESC_ADDR(desc) (desc)
#endif // CACHE_LL_L2MEM_NON_CACHE_ADDR
#if SOC_PERIPH_CLK_CTRL_SHARED
#define PARLIO_CLOCK_SRC_ATOMIC() PERIPH_RCC_ATOMIC()
#else
components/esp_driver_parlio/src/parlio_tx.c
+22 -10
View File
@@ -24,6 +24,7 @@
#include "esp_attr.h"
#include "esp_err.h"
#include "esp_rom_gpio.h"
#include "soc/gpio_sig_map.h"
#include "esp_intr_alloc.h"
#include "esp_pm.h"
#include "soc/parlio_periph.h"
@@ -166,7 +167,7 @@ static esp_err_t parlio_tx_unit_configure_gpio(parlio_tx_unit_t *tx_unit, const
// connect the signal to the GPIO by matrix, it will also enable the output path properly
esp_rom_gpio_connect_out_signal(config->valid_gpio_num,
parlio_periph_signals.groups[group_id].tx_units[unit_id].data_sigs[PARLIO_LL_TX_DATA_LINE_AS_VALID_SIG],
false, false);
config->flags.invert_valid_out, false);
}
if (config->clk_out_gpio_num >= 0) {
gpio_func_sel(config->clk_out_gpio_num, PIN_FUNC_GPIO);
@@ -232,6 +233,18 @@ static esp_err_t parlio_tx_unit_init_dma(parlio_tx_unit_t *tx_unit, const parlio
return ESP_OK;
}
esp_err_t parlio_tx_get_alignment_constraints(parlio_tx_unit_t *tx_unit, size_t *int_mem_align, size_t *ext_mem_align)
{
ESP_RETURN_ON_FALSE(tx_unit, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
if (int_mem_align) {
*int_mem_align = tx_unit->int_mem_align;
}
if (ext_mem_align) {
*ext_mem_align = tx_unit->ext_mem_align;
}
return ESP_OK;
}
static esp_err_t parlio_select_periph_clock(parlio_tx_unit_t *tx_unit, const parlio_tx_unit_config_t *config)
{
parlio_hal_context_t *hal = &tx_unit->base.group->hal;
@@ -640,8 +653,15 @@ static void IRAM_ATTR parlio_tx_default_isr(void *args)
parlio_ll_clear_interrupt_status(hal->regs, PARLIO_LL_EVENT_TX_EOF);
parlio_ll_tx_start(hal->regs, false);
parlio_tx_trans_desc_t *trans_desc = NULL;
// invoke callback before sending the transaction to complete queue
parlio_tx_done_callback_t done_cb = tx_unit->on_trans_done;
if (done_cb) {
if (done_cb(tx_unit, NULL, tx_unit->user_data)) {
need_yield = true;
}
}
parlio_tx_trans_desc_t *trans_desc = NULL;
parlio_tx_fsm_t expected_fsm = PARLIO_TX_FSM_RUN;
if (atomic_compare_exchange_strong(&tx_unit->fsm, &expected_fsm, PARLIO_TX_FSM_ENABLE_WAIT)) {
trans_desc = tx_unit->cur_trans;
@@ -654,14 +674,6 @@ static void IRAM_ATTR parlio_tx_default_isr(void *args)
atomic_store(&tx_unit->fsm, PARLIO_TX_FSM_ENABLE);
}
// invoke callback
parlio_tx_done_callback_t done_cb = tx_unit->on_trans_done;
if (done_cb) {
if (done_cb(tx_unit, NULL, tx_unit->user_data)) {
need_yield = true;
}
}
// if the tx unit is till in enable state (i.e. not disabled by user), let's try start the next pending transaction
expected_fsm = PARLIO_TX_FSM_ENABLE;
if (atomic_compare_exchange_strong(&tx_unit->fsm, &expected_fsm, PARLIO_TX_FSM_RUN_WAIT)) {