512 lines
18 KiB
C
512 lines
18 KiB
C
/*
|
|
* Copyright (c) 2023 bytes at work AG
|
|
* Copyright (c) 2020 Teslabs Engineering S.L.
|
|
* based on dsi_mcux.c
|
|
* Copyright (c) 2022, NXP
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#define DT_DRV_COMPAT st_stm32_mipi_dsi
|
|
|
|
#include <zephyr/device.h>
|
|
#include <zephyr/devicetree.h>
|
|
#include <zephyr/sys/printk.h>
|
|
#include <zephyr/drivers/clock_control.h>
|
|
#include <zephyr/drivers/clock_control/stm32_clock_control.h>
|
|
#include <zephyr/drivers/gpio.h>
|
|
#include <zephyr/drivers/mipi_dsi.h>
|
|
#include <zephyr/drivers/reset.h>
|
|
#include <zephyr/logging/log.h>
|
|
|
|
LOG_MODULE_REGISTER(dsi_stm32, CONFIG_MIPI_DSI_LOG_LEVEL);
|
|
|
|
#if defined(CONFIG_STM32_LTDC_ARGB8888)
|
|
#define STM32_DSI_INIT_PIXEL_FORMAT DSI_RGB888
|
|
#elif defined(CONFIG_STM32_LTDC_RGB888)
|
|
#define STM32_DSI_INIT_PIXEL_FORMAT DSI_RGB888
|
|
#elif defined(CONFIG_STM32_LTDC_RGB565)
|
|
#define STM32_DSI_INIT_PIXEL_FORMAT DSI_RGB565
|
|
#else
|
|
#error "Invalid LTDC pixel format chosen"
|
|
#endif /* CONFIG_STM32_LTDC_ARGB8888 */
|
|
|
|
#define MAX_TX_ESC_CLK_KHZ 20000
|
|
#define MAX_TX_ESC_CLK_DIV 8
|
|
|
|
struct mipi_dsi_stm32_config {
|
|
const struct device *rcc;
|
|
const struct reset_dt_spec reset;
|
|
struct stm32_pclken dsi_clk;
|
|
struct stm32_pclken ref_clk;
|
|
struct stm32_pclken pix_clk;
|
|
uint32_t data_lanes;
|
|
uint32_t active_errors;
|
|
uint32_t lp_rx_filter_freq;
|
|
int test_pattern;
|
|
};
|
|
|
|
struct mipi_dsi_stm32_data {
|
|
DSI_HandleTypeDef hdsi;
|
|
DSI_HOST_TimeoutTypeDef *host_timeouts;
|
|
DSI_PHY_TimerTypeDef *phy_timings;
|
|
DSI_VidCfgTypeDef vid_cfg;
|
|
DSI_PLLInitTypeDef pll_init;
|
|
uint32_t lane_clk_khz;
|
|
uint32_t pixel_clk_khz;
|
|
};
|
|
|
|
static void mipi_dsi_stm32_log_config(const struct device *dev)
|
|
{
|
|
const struct mipi_dsi_stm32_config *config = dev->config;
|
|
struct mipi_dsi_stm32_data *data = dev->data;
|
|
|
|
LOG_DBG("DISPLAY: pix %d kHz, lane %d kHz", data->pixel_clk_khz, data->lane_clk_khz);
|
|
LOG_DBG("HAL_DSI_Init setup:");
|
|
LOG_DBG(" AutomaticClockLaneControl 0x%x", data->hdsi.Init.AutomaticClockLaneControl);
|
|
LOG_DBG(" TXEscapeCkdiv %u", data->hdsi.Init.TXEscapeCkdiv);
|
|
LOG_DBG(" NumberOfLanes %u", data->hdsi.Init.NumberOfLanes);
|
|
LOG_DBG(" PLLNDIV %u", data->pll_init.PLLNDIV);
|
|
LOG_DBG(" PLLIDF %u", data->pll_init.PLLIDF);
|
|
LOG_DBG(" PLLODF %u", data->pll_init.PLLODF);
|
|
|
|
LOG_DBG("HAL_DSI_ConfigVideoMode setup:");
|
|
LOG_DBG(" VirtualChannelID %u", data->vid_cfg.VirtualChannelID);
|
|
LOG_DBG(" ColorCoding 0x%x", data->vid_cfg.ColorCoding);
|
|
LOG_DBG(" LooselyPacked 0x%x", data->vid_cfg.LooselyPacked);
|
|
LOG_DBG(" Mode 0x%x", data->vid_cfg.Mode);
|
|
LOG_DBG(" PacketSize %u", data->vid_cfg.PacketSize);
|
|
LOG_DBG(" NumberOfChunks %u", data->vid_cfg.NumberOfChunks);
|
|
LOG_DBG(" NullPacketSize %u", data->vid_cfg.NullPacketSize);
|
|
LOG_DBG(" HSPolarity 0x%x", data->vid_cfg.HSPolarity);
|
|
LOG_DBG(" VSPolarity 0x%x", data->vid_cfg.VSPolarity);
|
|
LOG_DBG(" DEPolarity 0x%x", data->vid_cfg.DEPolarity);
|
|
LOG_DBG(" HorizontalSyncActive %u", data->vid_cfg.HorizontalSyncActive);
|
|
LOG_DBG(" HorizontalBackPorch %u", data->vid_cfg.HorizontalBackPorch);
|
|
LOG_DBG(" HorizontalLine %u", data->vid_cfg.HorizontalLine);
|
|
LOG_DBG(" VerticalSyncActive %u", data->vid_cfg.VerticalSyncActive);
|
|
LOG_DBG(" VerticalBackPorch %u", data->vid_cfg.VerticalBackPorch);
|
|
LOG_DBG(" VerticalFrontPorch %u", data->vid_cfg.VerticalFrontPorch);
|
|
LOG_DBG(" VerticalActive %u", data->vid_cfg.VerticalActive);
|
|
LOG_DBG(" LPCommandEnable 0x%x", data->vid_cfg.LPCommandEnable);
|
|
LOG_DBG(" LPLargestPacketSize %u", data->vid_cfg.LPLargestPacketSize);
|
|
LOG_DBG(" LPVACTLargestPacketSize %u", data->vid_cfg.LPVACTLargestPacketSize);
|
|
LOG_DBG(" LPHorizontalFrontPorchEnable 0x%x", data->vid_cfg.LPHorizontalFrontPorchEnable);
|
|
LOG_DBG(" LPHorizontalBackPorchEnable 0x%x", data->vid_cfg.LPHorizontalBackPorchEnable);
|
|
LOG_DBG(" LPVerticalActiveEnable 0x%x", data->vid_cfg.LPVerticalActiveEnable);
|
|
LOG_DBG(" LPVerticalFrontPorchEnable 0x%x", data->vid_cfg.LPVerticalFrontPorchEnable);
|
|
LOG_DBG(" LPVerticalBackPorchEnable 0x%x", data->vid_cfg.LPVerticalBackPorchEnable);
|
|
LOG_DBG(" LPVerticalSyncActiveEnable 0x%x", data->vid_cfg.LPVerticalSyncActiveEnable);
|
|
LOG_DBG(" FrameBTAAcknowledgeEnable 0x%x", data->vid_cfg.FrameBTAAcknowledgeEnable);
|
|
|
|
if (config->active_errors) {
|
|
LOG_DBG("HAL_DSI_ConfigErrorMonitor: 0x%x", config->active_errors);
|
|
}
|
|
|
|
if (config->lp_rx_filter_freq) {
|
|
LOG_DBG("HAL_DSI_SetLowPowerRXFilter: %d", config->lp_rx_filter_freq);
|
|
}
|
|
|
|
if (data->host_timeouts) {
|
|
DSI_HOST_TimeoutTypeDef *ht = data->host_timeouts;
|
|
|
|
LOG_DBG("HAL_DSI_ConfigHostTimeouts:");
|
|
LOG_DBG(" TimeoutCkdiv %u", ht->TimeoutCkdiv);
|
|
LOG_DBG(" HighSpeedTransmissionTimeout %u", ht->HighSpeedTransmissionTimeout);
|
|
LOG_DBG(" LowPowerReceptionTimeout %u", ht->LowPowerReceptionTimeout);
|
|
LOG_DBG(" HighSpeedReadTimeout %u", ht->HighSpeedReadTimeout);
|
|
LOG_DBG(" LowPowerReadTimeout %u", ht->LowPowerReadTimeout);
|
|
LOG_DBG(" HighSpeedWriteTimeout %u", ht->HighSpeedWriteTimeout);
|
|
LOG_DBG(" HighSpeedWritePrespMode %u", ht->HighSpeedWritePrespMode);
|
|
LOG_DBG(" LowPowerWriteTimeout %u", ht->LowPowerWriteTimeout);
|
|
LOG_DBG(" BTATimeout %u", ht->BTATimeout);
|
|
}
|
|
|
|
if (data->phy_timings) {
|
|
LOG_DBG("HAL_DSI_ConfigPhyTimer:");
|
|
LOG_DBG(" ClockLaneHS2LPTime %u", data->phy_timings->ClockLaneHS2LPTime);
|
|
LOG_DBG(" ClockLaneLP2HSTime %u", data->phy_timings->ClockLaneLP2HSTime);
|
|
LOG_DBG(" DataLaneHS2LPTime %u", data->phy_timings->DataLaneHS2LPTime);
|
|
LOG_DBG(" DataLaneLP2HSTime %u", data->phy_timings->DataLaneLP2HSTime);
|
|
LOG_DBG(" DataLaneMaxReadTime %u", data->phy_timings->DataLaneMaxReadTime);
|
|
LOG_DBG(" StopWaitTime %u", data->phy_timings->StopWaitTime);
|
|
}
|
|
}
|
|
|
|
static int mipi_dsi_stm32_host_init(const struct device *dev)
|
|
{
|
|
const struct mipi_dsi_stm32_config *config = dev->config;
|
|
struct mipi_dsi_stm32_data *data = dev->data;
|
|
uint32_t hse_clock;
|
|
int ret;
|
|
|
|
switch (config->data_lanes) {
|
|
case 1:
|
|
data->hdsi.Init.NumberOfLanes = DSI_ONE_DATA_LANE;
|
|
break;
|
|
case 2:
|
|
data->hdsi.Init.NumberOfLanes = DSI_TWO_DATA_LANES;
|
|
break;
|
|
default:
|
|
LOG_ERR("Number of DSI lanes (%d) not supported!", config->data_lanes);
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
ret = clock_control_get_rate(config->rcc, (clock_control_subsys_t)&config->pix_clk,
|
|
&data->pixel_clk_khz);
|
|
if (ret) {
|
|
LOG_ERR("Get pixel clock failed! (%d)", ret);
|
|
return ret;
|
|
}
|
|
|
|
data->pixel_clk_khz /= 1000;
|
|
ret = clock_control_get_rate(config->rcc, (clock_control_subsys_t)&config->ref_clk,
|
|
&hse_clock);
|
|
if (ret) {
|
|
LOG_ERR("Get HSE clock failed! (%d)", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* LANE_BYTE_CLOCK = CLK_IN / PLLIDF * 2 * PLLNDIV / 2 / PLLODF / 8 */
|
|
data->lane_clk_khz = hse_clock / data->pll_init.PLLIDF * 2 * data->pll_init.PLLNDIV / 2 /
|
|
(1UL << data->pll_init.PLLODF) / 8 / 1000;
|
|
|
|
/* stm32x_hal_dsi: The values 0 and 1 stop the TX_ESC clock generation */
|
|
data->hdsi.Init.TXEscapeCkdiv = 0;
|
|
for (int i = 2; i <= MAX_TX_ESC_CLK_DIV; i++) {
|
|
if ((data->lane_clk_khz / i) <= MAX_TX_ESC_CLK_KHZ) {
|
|
data->hdsi.Init.TXEscapeCkdiv = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (data->hdsi.Init.TXEscapeCkdiv < 2) {
|
|
LOG_WRN("DSI TX escape clock disabled.");
|
|
}
|
|
|
|
ret = HAL_DSI_Init(&data->hdsi, &data->pll_init);
|
|
if (ret != HAL_OK) {
|
|
LOG_ERR("DSI init failed! (%d)", ret);
|
|
return -ret;
|
|
}
|
|
|
|
if (data->host_timeouts) {
|
|
ret = HAL_DSI_ConfigHostTimeouts(&data->hdsi, data->host_timeouts);
|
|
if (ret != HAL_OK) {
|
|
LOG_ERR("Set DSI host timeouts failed! (%d)", ret);
|
|
return -ret;
|
|
}
|
|
}
|
|
|
|
if (data->phy_timings) {
|
|
ret = HAL_DSI_ConfigPhyTimer(&data->hdsi, data->phy_timings);
|
|
if (ret != HAL_OK) {
|
|
LOG_ERR("Set DSI PHY timings failed! (%d)", ret);
|
|
return -ret;
|
|
}
|
|
}
|
|
|
|
ret = HAL_DSI_ConfigFlowControl(&data->hdsi, DSI_FLOW_CONTROL_BTA);
|
|
if (ret != HAL_OK) {
|
|
LOG_ERR("Setup DSI flow control failed! (%d)", ret);
|
|
return -ret;
|
|
}
|
|
|
|
if (config->lp_rx_filter_freq) {
|
|
ret = HAL_DSI_SetLowPowerRXFilter(&data->hdsi, config->lp_rx_filter_freq);
|
|
if (ret != HAL_OK) {
|
|
LOG_ERR("Setup DSI LP RX filter failed! (%d)", ret);
|
|
return -ret;
|
|
}
|
|
}
|
|
|
|
ret = HAL_DSI_ConfigErrorMonitor(&data->hdsi, config->active_errors);
|
|
if (ret != HAL_OK) {
|
|
LOG_ERR("Setup DSI error monitor failed! (%d)", ret);
|
|
return -ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int mipi_dsi_stm32_attach(const struct device *dev, uint8_t channel,
|
|
const struct mipi_dsi_device *mdev)
|
|
{
|
|
const struct mipi_dsi_stm32_config *config = dev->config;
|
|
struct mipi_dsi_stm32_data *data = dev->data;
|
|
DSI_VidCfgTypeDef *vcfg = &data->vid_cfg;
|
|
int ret;
|
|
|
|
if (!(mdev->mode_flags & MIPI_DSI_MODE_VIDEO)) {
|
|
LOG_ERR("DSI host supports video mode only!");
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
vcfg->VirtualChannelID = channel;
|
|
vcfg->ColorCoding = STM32_DSI_INIT_PIXEL_FORMAT;
|
|
vcfg->LooselyPacked = DSI_LOOSELY_PACKED_DISABLE;
|
|
|
|
if (mdev->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) {
|
|
vcfg->Mode = DSI_VID_MODE_BURST;
|
|
} else if (mdev->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) {
|
|
vcfg->Mode = DSI_VID_MODE_NB_PULSES;
|
|
} else {
|
|
vcfg->Mode = DSI_VID_MODE_NB_EVENTS;
|
|
}
|
|
|
|
vcfg->PacketSize = mdev->timings.hactive;
|
|
vcfg->NumberOfChunks = 0;
|
|
vcfg->NullPacketSize = 0xFFFU;
|
|
|
|
vcfg->HorizontalSyncActive =
|
|
(mdev->timings.hsync * data->lane_clk_khz) / data->pixel_clk_khz;
|
|
vcfg->HorizontalBackPorch =
|
|
(mdev->timings.hbp * data->lane_clk_khz) / data->pixel_clk_khz;
|
|
vcfg->HorizontalLine =
|
|
((mdev->timings.hactive + mdev->timings.hsync + mdev->timings.hbp +
|
|
mdev->timings.hfp) * data->lane_clk_khz) / data->pixel_clk_khz;
|
|
vcfg->VerticalSyncActive = mdev->timings.vsync;
|
|
vcfg->VerticalBackPorch = mdev->timings.vbp;
|
|
vcfg->VerticalFrontPorch = mdev->timings.vfp;
|
|
vcfg->VerticalActive = mdev->timings.vactive;
|
|
|
|
if (mdev->mode_flags & MIPI_DSI_MODE_LPM) {
|
|
vcfg->LPCommandEnable = DSI_LP_COMMAND_ENABLE;
|
|
} else {
|
|
vcfg->LPCommandEnable = DSI_LP_COMMAND_DISABLE;
|
|
}
|
|
|
|
vcfg->LPLargestPacketSize = 4;
|
|
vcfg->LPVACTLargestPacketSize = 4;
|
|
|
|
vcfg->LPHorizontalFrontPorchEnable = DSI_LP_HFP_ENABLE;
|
|
vcfg->LPHorizontalBackPorchEnable = DSI_LP_HBP_ENABLE;
|
|
vcfg->LPVerticalActiveEnable = DSI_LP_VACT_ENABLE;
|
|
vcfg->LPVerticalFrontPorchEnable = DSI_LP_VFP_ENABLE;
|
|
vcfg->LPVerticalBackPorchEnable = DSI_LP_VBP_ENABLE;
|
|
vcfg->LPVerticalSyncActiveEnable = DSI_LP_VSYNC_ENABLE;
|
|
vcfg->FrameBTAAcknowledgeEnable = DSI_FBTAA_ENABLE;
|
|
|
|
ret = HAL_DSI_ConfigVideoMode(&data->hdsi, vcfg);
|
|
if (ret != HAL_OK) {
|
|
LOG_ERR("Setup DSI video mode failed! (%d)", ret);
|
|
return -ret;
|
|
}
|
|
|
|
if (IS_ENABLED(CONFIG_MIPI_DSI_LOG_LEVEL_DBG)) {
|
|
mipi_dsi_stm32_log_config(dev);
|
|
}
|
|
|
|
ret = HAL_DSI_Start(&data->hdsi);
|
|
if (ret != HAL_OK) {
|
|
LOG_ERR("Start DSI host failed! (%d)", ret);
|
|
return -ret;
|
|
}
|
|
|
|
if (config->test_pattern >= 0) {
|
|
ret = HAL_DSI_PatternGeneratorStart(&data->hdsi, 0, config->test_pattern);
|
|
if (ret != HAL_OK) {
|
|
LOG_ERR("Start DSI pattern generator failed! (%d)", ret);
|
|
return -ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t mipi_dsi_stm32_transfer(const struct device *dev, uint8_t channel,
|
|
struct mipi_dsi_msg *msg)
|
|
{
|
|
struct mipi_dsi_stm32_data *data = dev->data;
|
|
uint32_t param1 = 0;
|
|
uint32_t param2 = 0;
|
|
ssize_t len;
|
|
int ret;
|
|
|
|
switch (msg->type) {
|
|
case MIPI_DSI_DCS_READ:
|
|
ret = HAL_DSI_Read(&data->hdsi, channel, (uint8_t *)msg->rx_buf, msg->rx_len,
|
|
msg->type, msg->cmd, (uint8_t *)msg->rx_buf);
|
|
len = msg->rx_len;
|
|
break;
|
|
case MIPI_DSI_DCS_SHORT_WRITE:
|
|
case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
|
|
param1 = msg->cmd;
|
|
if (msg->tx_len >= 1U) {
|
|
param2 = ((uint8_t *)msg->tx_buf)[0];
|
|
}
|
|
|
|
ret = HAL_DSI_ShortWrite(&data->hdsi, channel, msg->type, param1, param2);
|
|
len = msg->tx_len;
|
|
break;
|
|
case MIPI_DSI_DCS_LONG_WRITE:
|
|
ret = HAL_DSI_LongWrite(&data->hdsi, channel, msg->type, msg->tx_len, msg->cmd,
|
|
(uint8_t *)msg->tx_buf);
|
|
len = msg->tx_len;
|
|
break;
|
|
case MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM:
|
|
case MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM:
|
|
case MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM:
|
|
param1 = ((uint8_t *)msg->tx_buf)[0];
|
|
if (msg->tx_len == 1U) {
|
|
param2 = ((uint8_t *)msg->tx_buf)[1];
|
|
}
|
|
|
|
if (msg->tx_len >= 2U) {
|
|
param2 = *(uint16_t *)&((uint8_t *)msg->tx_buf)[1];
|
|
}
|
|
|
|
ret = HAL_DSI_ShortWrite(&data->hdsi, channel, msg->type, param1, param2);
|
|
len = msg->tx_len;
|
|
break;
|
|
case MIPI_DSI_GENERIC_LONG_WRITE:
|
|
ret = HAL_DSI_LongWrite(&data->hdsi, channel, msg->type, msg->tx_len,
|
|
((uint8_t *)msg->tx_buf)[0], &((uint8_t *)msg->tx_buf)[1]);
|
|
len = msg->tx_len;
|
|
break;
|
|
default:
|
|
LOG_ERR("Unsupported message type (%d)", msg->type);
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
if (IS_ENABLED(CONFIG_MIPI_DSI_LOG_LEVEL_DBG)) {
|
|
char tmp[64];
|
|
|
|
if (msg->type == MIPI_DSI_DCS_READ) {
|
|
snprintk(tmp, sizeof(tmp), "RX: ch %3d, reg 0x%02x, len %2d",
|
|
channel, msg->cmd, msg->rx_len);
|
|
LOG_HEXDUMP_DBG(msg->rx_buf, msg->rx_len, tmp);
|
|
} else {
|
|
snprintk(tmp, sizeof(tmp), "TX: ch %3d, reg 0x%02x, len %2d",
|
|
channel, msg->cmd, msg->tx_len);
|
|
LOG_HEXDUMP_DBG(msg->tx_buf, msg->tx_len, tmp);
|
|
}
|
|
}
|
|
|
|
if (ret != HAL_OK) {
|
|
LOG_ERR("Transfer failed! (%d)", ret);
|
|
return -EIO;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
static struct mipi_dsi_driver_api dsi_stm32_api = {
|
|
.attach = mipi_dsi_stm32_attach,
|
|
.transfer = mipi_dsi_stm32_transfer,
|
|
};
|
|
|
|
static int mipi_dsi_stm32_init(const struct device *dev)
|
|
{
|
|
const struct mipi_dsi_stm32_config *config = dev->config;
|
|
int ret;
|
|
|
|
if (!device_is_ready(config->rcc)) {
|
|
LOG_ERR("clock control device not ready");
|
|
return -ENODEV;
|
|
}
|
|
|
|
ret = clock_control_on(config->rcc, (clock_control_subsys_t)&config->dsi_clk);
|
|
if (ret < 0) {
|
|
LOG_ERR("Enable DSI peripheral clock failed! (%d)", ret);
|
|
return ret;
|
|
}
|
|
|
|
(void)reset_line_toggle_dt(&config->reset);
|
|
|
|
ret = mipi_dsi_stm32_host_init(dev);
|
|
if (ret) {
|
|
LOG_ERR("Setup DSI host failed! (%d)", ret);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define CHILD_GET_DATA_LANES(child) DT_PROP(child, data_lanes)
|
|
|
|
#define STM32_MIPI_DSI_DEVICE(inst) \
|
|
COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, host_timeouts), \
|
|
(static DSI_HOST_TimeoutTypeDef host_timeouts_##inst = { \
|
|
.TimeoutCkdiv = DT_INST_PROP_BY_IDX(inst, host_timeouts, 0), \
|
|
.HighSpeedTransmissionTimeout = \
|
|
DT_INST_PROP_BY_IDX(inst, host_timeouts, 1), \
|
|
.LowPowerReceptionTimeout = \
|
|
DT_INST_PROP_BY_IDX(inst, host_timeouts, 2), \
|
|
.HighSpeedReadTimeout = DT_INST_PROP_BY_IDX(inst, host_timeouts, 3), \
|
|
.LowPowerReadTimeout = DT_INST_PROP_BY_IDX(inst, host_timeouts, 4), \
|
|
.HighSpeedWriteTimeout = DT_INST_PROP_BY_IDX(inst, host_timeouts, 5), \
|
|
.HighSpeedWritePrespMode = DT_INST_PROP_BY_IDX(inst, host_timeouts, 6), \
|
|
.LowPowerWriteTimeout = DT_INST_PROP_BY_IDX(inst, host_timeouts, 7), \
|
|
.BTATimeout = DT_INST_PROP_BY_IDX(inst, host_timeouts, 8) \
|
|
}), ()); \
|
|
COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, phy_timings), \
|
|
(static DSI_PHY_TimerTypeDef phy_timings_##inst = { \
|
|
.ClockLaneHS2LPTime = DT_INST_PROP_BY_IDX(inst, phy_timings, 0), \
|
|
.ClockLaneLP2HSTime = DT_INST_PROP_BY_IDX(inst, phy_timings, 1), \
|
|
.DataLaneHS2LPTime = DT_INST_PROP_BY_IDX(inst, phy_timings, 2), \
|
|
.DataLaneLP2HSTime = DT_INST_PROP_BY_IDX(inst, phy_timings, 3), \
|
|
.DataLaneMaxReadTime = DT_INST_PROP_BY_IDX(inst, phy_timings, 4), \
|
|
.StopWaitTime = DT_INST_PROP_BY_IDX(inst, phy_timings, 5) \
|
|
}), ()); \
|
|
/* Only child data-lanes property at index 0 is taken into account */ \
|
|
static const uint32_t data_lanes_##inst[] = { \
|
|
DT_INST_FOREACH_CHILD_STATUS_OKAY_SEP_VARGS(inst, DT_PROP_BY_IDX, (,), \
|
|
data_lanes, 0) \
|
|
}; \
|
|
static const struct mipi_dsi_stm32_config stm32_dsi_config_##inst = { \
|
|
.rcc = DEVICE_DT_GET(STM32_CLOCK_CONTROL_NODE), \
|
|
.reset = RESET_DT_SPEC_INST_GET(inst), \
|
|
.dsi_clk = { \
|
|
.enr = DT_INST_CLOCKS_CELL_BY_NAME(inst, dsiclk, bits), \
|
|
.bus = DT_INST_CLOCKS_CELL_BY_NAME(inst, dsiclk, bus), \
|
|
}, \
|
|
.ref_clk = { \
|
|
.enr = DT_INST_CLOCKS_CELL_BY_NAME(inst, refclk, bits), \
|
|
.bus = DT_INST_CLOCKS_CELL_BY_NAME(inst, refclk, bus), \
|
|
}, \
|
|
.pix_clk = { \
|
|
.enr = DT_INST_CLOCKS_CELL_BY_NAME(inst, pixelclk, bits), \
|
|
.bus = DT_INST_CLOCKS_CELL_BY_NAME(inst, pixelclk, bus), \
|
|
}, \
|
|
/* Use only one (the first) display configuration for DSI HOST configuration */ \
|
|
.data_lanes = data_lanes_##inst[0], \
|
|
.active_errors = DT_INST_PROP_OR(inst, active_errors, HAL_DSI_ERROR_NONE), \
|
|
.lp_rx_filter_freq = DT_INST_PROP_OR(inst, lp_rx_filter, 0), \
|
|
.test_pattern = DT_INST_PROP_OR(inst, test_pattern, -1), \
|
|
}; \
|
|
static struct mipi_dsi_stm32_data stm32_dsi_data_##inst = { \
|
|
.hdsi = { \
|
|
.Instance = (DSI_TypeDef *)DT_INST_REG_ADDR(inst), \
|
|
.Init = { \
|
|
.AutomaticClockLaneControl = \
|
|
DT_INST_PROP(inst, non_continuous) ? \
|
|
DSI_AUTO_CLK_LANE_CTRL_ENABLE : \
|
|
DSI_AUTO_CLK_LANE_CTRL_DISABLE, \
|
|
}, \
|
|
}, \
|
|
.host_timeouts = COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, host_timeouts), \
|
|
(&host_timeouts_##inst), (NULL)), \
|
|
.phy_timings = COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, phy_timings), \
|
|
(&phy_timings_##inst), (NULL)), \
|
|
.vid_cfg = { \
|
|
.HSPolarity = DT_INST_PROP(inst, hs_active_high) ? \
|
|
DSI_HSYNC_ACTIVE_HIGH : DSI_HSYNC_ACTIVE_LOW, \
|
|
.VSPolarity = DT_INST_PROP(inst, vs_active_high) ? \
|
|
DSI_VSYNC_ACTIVE_HIGH : DSI_VSYNC_ACTIVE_LOW, \
|
|
.DEPolarity = DT_INST_PROP(inst, de_active_high) ? \
|
|
DSI_DATA_ENABLE_ACTIVE_HIGH : DSI_DATA_ENABLE_ACTIVE_LOW, \
|
|
}, \
|
|
.pll_init = { \
|
|
.PLLNDIV = DT_INST_PROP(inst, pll_ndiv), \
|
|
.PLLIDF = DT_INST_PROP(inst, pll_idf), \
|
|
.PLLODF = DT_INST_PROP(inst, pll_odf), \
|
|
}, \
|
|
}; \
|
|
DEVICE_DT_INST_DEFINE(inst, &mipi_dsi_stm32_init, NULL, \
|
|
&stm32_dsi_data_##inst, &stm32_dsi_config_##inst, \
|
|
POST_KERNEL, CONFIG_MIPI_DSI_INIT_PRIORITY, &dsi_stm32_api);
|
|
|
|
DT_INST_FOREACH_STATUS_OKAY(STM32_MIPI_DSI_DEVICE)
|