| /* |
| * Copyright (c) 2025 Renesas Electronics Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/device.h> |
| #include <zephyr/sys/byteorder.h> |
| #include <zephyr/drivers/i3c.h> |
| #include <zephyr/drivers/pinctrl.h> |
| #include <zephyr/drivers/clock_control.h> |
| #include <zephyr/logging/log.h> |
| #include <r_i3c.h> |
| #include <rp_i3c.h> |
| |
| #define DT_DRV_COMPAT renesas_ra_i3c |
| |
| LOG_MODULE_REGISTER(i3c_ra, CONFIG_I3C_LOG_LEVEL); |
| |
| #define I3C_RENESAS_RA_DATBAS_NUM (8U) |
| #define I3C_RENESAS_RA_BUS_OPEN (('I' << 16U) | ('3' << 8U) | ('C' << 0U)) |
| #define I3C_RENESAS_RA_TYP_OD_RATE (1000000U) |
| #define I3C_RENESAS_RA_TYP_PP_RATE (4000000U) |
| #define I3C_RENESAS_RA_BUS_FREE_DETECTION_TIME (7U) |
| #define I3C_RENESAS_RA_BUS_AVAILABLE_DETECTION_TIME (160U) |
| #define I3C_RENESAS_RA_BUS_IDLE_DETECTION_TIME (160000U) |
| #define RESET_VALUE (0U) |
| #define RSP_STT_SUCCESS (0x00) |
| #define RSP_STT_ABORTED (0x08) |
| |
| /* SCL Specifications */ |
| #define I3C_RENESAS_RA_TRANSFER_TIMEOUT K_MSEC(500U) /* Default timeout */ |
| #define I3C_RENESAS_RA_OD_RISING_NS (0U) /* Open Drain Logic Rising Time (ns) */ |
| #define I3C_RENESAS_RA_OD_FALLING_NS (0U) /* Open Drain Logic Falling Time (ns) */ |
| #define I3C_RENESAS_RA_PP_RISING_NS (0U) /* Open Drain Logic Rising Time (ns) */ |
| #define I3C_RENESAS_RA_PP_FALLING_NS (0U) /* Open Drain Logic Falling Time (ns) */ |
| #define I3C_RENESAS_RA_OD_HIGH_NS (167U) /* Open Drain Logic High Time (ns) */ |
| #define I3C_RENESAS_RA_PP_HIGH_NS (50U) /* Push Pull Logic High Time (ns) */ |
| #define I3C_RENESAS_RA_EBRHP_MAX (R_I3C0_EXTBR_EBRHP_Msk >> R_I3C0_EXTBR_EBRHP_Pos) |
| #define I3C_RENESAS_RA_EBRLP_MAX (R_I3C0_EXTBR_EBRLP_Msk >> R_I3C0_EXTBR_EBRLP_Pos) |
| #define I3C_RENESAS_RA_EBRHO_MAX (R_I3C0_EXTBR_EBRHO_Msk >> R_I3C0_EXTBR_EBRHO_Pos) |
| #define I3C_RENESAS_RA_EBRLO_MAX (R_I3C0_EXTBR_EBRLO_Msk >> R_I3C0_EXTBR_EBRLO_Pos) |
| #define I3C_RENESAS_RA_SBRHP_MAX (R_I3C0_STDBR_SBRHP_Msk >> R_I3C0_STDBR_SBRHP_Pos) |
| #define I3C_RENESAS_RA_SBRLP_MAX (R_I3C0_STDBR_SBRLP_Msk >> R_I3C0_STDBR_SBRLP_Pos) |
| #define I3C_RENESAS_RA_SBRHO_MAX (R_I3C0_STDBR_SBRHO_Msk >> R_I3C0_STDBR_SBRHO_Pos) |
| #define I3C_RENESAS_RA_SBRLO_MAX (R_I3C0_STDBR_SBRLO_Msk >> R_I3C0_STDBR_SBRLO_Pos) |
| |
| /* Specific data for clock settings */ |
| typedef enum { |
| RENESAS_RA_I3C_SCL_PUSHPULL, |
| RENESAS_RA_I3C_SCL_OPENDRAIN, |
| } i3c_renesas_ra_i3c_scl_mode; |
| |
| struct i3c_renesas_ra_scl_period { |
| uint32_t bitrate; /* Desired bitrate value */ |
| uint8_t divider; /* Only meaning in standard opendrain */ |
| i3c_renesas_ra_i3c_scl_mode mode; /* SCL push-pull/opendrain mode */ |
| uint32_t t_high_ns; /* SCL Logic High Time in nanoseconds */ |
| uint32_t t_low_ns; /* SCL Logic High Time in nanoseconds */ |
| uint32_t t_rising_ns; /* SCL Logic Rising Time in nanoseconds */ |
| uint32_t t_falling_ns; /* SCL Logic Falling Time in nanoseconds */ |
| uint16_t high; /* Count value of the high-level period of SCL clock */ |
| uint16_t low; /* Count value of the low-level period of SCL clock */ |
| uint16_t h_max; /* max count value of the high level in register */ |
| uint16_t l_max; /* max count value of the low level in register */ |
| }; |
| |
| struct i3c_renesas_ra_dev_info { |
| uint8_t static_address; |
| uint8_t dynamic_address; |
| uint8_t active; |
| }; |
| |
| /* i3c device data and config*/ |
| struct i3c_renesas_ra_data { |
| struct i3c_driver_data common; /* I3C driver data */ |
| struct k_mutex bus_lock; /* Used for bus protection */ |
| struct k_sem daa_end; |
| struct k_sem ccc_end; |
| struct k_sem xfer_end; |
| uint32_t num_xfer; |
| uint32_t cb_status; |
| i3c_bitrate_mode_t i3c_mode; |
| struct i3c_renesas_ra_dev_info *device_info; |
| i3c_instance_ctrl_t *fsp_ctrl; /* FSP control block */ |
| i3c_cfg_t *fsp_cfg; /* FSP configuration block */ |
| i3c_device_cfg_t *fsp_master_cfg; /* FSP master configuration */ |
| i3c_device_table_cfg_t *fsp_dev_table; /* DAT setting scheme */ |
| enum i3c_bus_mode mode; |
| bool bus_configured; /* true if bus had been configured */ |
| bool skip_address_phase; /* true to skip address phase handle */ |
| uint8_t address_phase_count; |
| }; |
| |
| struct i3c_renesas_ra_config { |
| struct i3c_driver_config common; |
| const struct pinctrl_dev_config *pin_cfg; /* Pin control */ |
| const struct device *pclk_dev; /* Bus clock */ |
| const struct device *tclk_dev; /* Transfer clock */ |
| struct clock_control_ra_subsys_cfg pclk_subsys; /* Bus clock subsys */ |
| struct clock_control_ra_subsys_cfg tclk_subsys; /* Transfer clock subsys */ |
| void (*bus_enable_irq)(void); |
| }; |
| |
| /* HAL isr */ |
| extern void i3c_resp_isr(void); |
| extern void i3c_rx_isr(void); |
| extern void i3c_tx_isr(void); |
| extern void i3c_rcv_isr(void); |
| extern void i3c_eei_isr(void); |
| |
| static enum i3c_bus_mode i3c_renesas_ra_get_bus_mode(const struct i3c_dev_list *dev_list) |
| { |
| enum i3c_bus_mode mode = I3C_BUS_MODE_PURE; |
| |
| for (int i = 0; i < dev_list->num_i2c; i++) { |
| switch (I3C_LVR_I2C_DEV_IDX(dev_list->i2c[i].lvr)) { |
| case I3C_LVR_I2C_DEV_IDX_0: |
| if (mode < I3C_BUS_MODE_MIXED_FAST) { |
| mode = I3C_BUS_MODE_MIXED_FAST; |
| } |
| break; |
| case I3C_LVR_I2C_DEV_IDX_1: |
| if (mode < I3C_BUS_MODE_MIXED_LIMITED) { |
| mode = I3C_BUS_MODE_MIXED_LIMITED; |
| } |
| break; |
| case I3C_LVR_I2C_DEV_IDX_2: |
| if (mode < I3C_BUS_MODE_MIXED_SLOW) { |
| mode = I3C_BUS_MODE_MIXED_SLOW; |
| } |
| break; |
| default: |
| mode = I3C_BUS_MODE_INVALID; |
| break; |
| } |
| } |
| return mode; |
| } |
| |
| static int i3c_renesas_ra_address_slots_init(const struct device *dev) |
| { |
| const struct i3c_renesas_ra_config *config = dev->config; |
| struct i3c_renesas_ra_data *data = dev->data; |
| uint8_t controller_da; |
| int ret = 0; |
| |
| ret = i3c_addr_slots_init(dev); |
| if (ret) { |
| LOG_ERR("Apply i3c_addr_slots_init() fail %d", ret); |
| return ret; |
| } |
| |
| if (config->common.primary_controller_da) { |
| if (!i3c_addr_slots_is_free(&data->common.attached_dev.addr_slots, |
| config->common.primary_controller_da)) { |
| controller_da = i3c_addr_slots_next_free_find( |
| &data->common.attached_dev.addr_slots, 0); |
| LOG_WRN("%s: 0x%02x DA selected for controller as 0x%02x is unavailable", |
| dev->name, controller_da, config->common.primary_controller_da); |
| } else { |
| controller_da = config->common.primary_controller_da; |
| } |
| } else { |
| controller_da = |
| i3c_addr_slots_next_free_find(&data->common.attached_dev.addr_slots, 0); |
| } |
| if (controller_da == 0) { |
| return -ENOSPC; |
| } |
| /* Set master address before configuring bus */ |
| data->fsp_master_cfg->dynamic_address = controller_da; |
| /* Mark the address as I3C device */ |
| i3c_addr_slots_mark_i3c(&data->common.attached_dev.addr_slots, controller_da); |
| |
| LOG_DBG("Controller address: 0x%02X", controller_da); |
| return 0; |
| } |
| |
| static int i3c_renesas_ra_device_index_find(const struct device *dev, uint8_t addr, bool i2c_dev) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| int index = -1; |
| |
| /* Find device index */ |
| if (i2c_dev) { |
| for (int i = I3C_RENESAS_RA_DATBAS_NUM - 1; i >= 0; i--) { |
| if (data->device_info[i].static_address == addr) { |
| index = i; |
| break; |
| } |
| } |
| } else { |
| for (int i = 0; i < I3C_RENESAS_RA_DATBAS_NUM; i++) { |
| if (data->device_info[i].dynamic_address == addr) { |
| index = i; |
| break; |
| } |
| } |
| } |
| |
| return index; |
| } |
| |
| static int i3c_renesas_ra_device_index_request(const struct device *dev, uint8_t addr, bool i2c_dev) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| int index = -1; |
| |
| /* Find device index */ |
| index = i3c_renesas_ra_device_index_find(dev, addr, i2c_dev); |
| |
| /* Device not found, register new index */ |
| if (index < 0) { |
| if (i2c_dev) { |
| for (int i = I3C_RENESAS_RA_DATBAS_NUM - 1; i >= 0; i--) { |
| if (data->device_info[i].active == 0) { |
| index = i; |
| data->device_info[i].static_address = addr; |
| data->device_info[i].active = 1; |
| break; |
| } |
| } |
| } else { |
| for (int i = 0; i < I3C_RENESAS_RA_DATBAS_NUM; i++) { |
| if (data->device_info[i].active == 0) { |
| index = i; |
| data->device_info[i].dynamic_address = addr; |
| data->device_info[i].active = 1; |
| break; |
| } |
| } |
| } |
| } |
| |
| return index; |
| } |
| |
| static void i3c_renesas_ra_handle_address_phase(const struct device *dev, |
| i3c_slave_info_t const *daa_rx) |
| { |
| const struct i3c_renesas_ra_config *config = dev->config; |
| struct i3c_renesas_ra_data *data = dev->data; |
| struct i3c_device_desc *target; |
| int target_index = -1; |
| uint8_t dyn_addr = 0; |
| int ret = 0; |
| i3c_device_table_cfg_t device_table = {0}; |
| |
| uint64_t pid = sys_get_be48(&daa_rx->pid[0]); |
| |
| fsp_err_t fsp_err = FSP_SUCCESS; |
| |
| /* Find device in the device list, assign a dynamic address */ |
| ret = i3c_dev_list_daa_addr_helper(&data->common.attached_dev.addr_slots, |
| &config->common.dev_list, pid, false, false, &target, |
| &dyn_addr); |
| if (ret) { |
| LOG_DBG("Assign new DA error"); |
| goto add_phase_exit; |
| } |
| |
| /* Update target descriptor */ |
| target->dynamic_addr = dyn_addr; |
| target->bcr = daa_rx->bcr; |
| target->dcr = daa_rx->dcr; |
| |
| /* Request index for this target */ |
| target_index = i3c_renesas_ra_device_index_request(dev, dyn_addr, false); |
| if (target_index < 0) { |
| ret = -ENODEV; |
| goto add_phase_exit; |
| } |
| |
| /* Mark the address as used */ |
| i3c_addr_slots_mark_i3c(&data->common.attached_dev.addr_slots, dyn_addr); |
| |
| /* Mark the static address as free */ |
| if ((target != NULL) && (target->static_addr != 0U) && (dyn_addr != target->static_addr)) { |
| i3c_addr_slots_mark_free(&data->common.attached_dev.addr_slots, |
| target->static_addr); |
| } |
| |
| /* Update device map */ |
| data->device_info[target_index].dynamic_address = dyn_addr; |
| data->device_info[target_index].active = 1; |
| |
| /* Prepare device table before launching DAA */ |
| device_table.dynamic_address = dyn_addr; |
| device_table.static_address = 0x00; |
| device_table.device_protocol = I3C_DEVICE_PROTOCOL_I3C; |
| device_table.ibi_accept = false; |
| device_table.ibi_payload = false; |
| device_table.master_request_accept = false; |
| |
| /* Add this device to DAT */ |
| fsp_err = R_I3C_MasterDeviceTableSet(data->fsp_ctrl, target_index, &device_table); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto add_phase_exit; |
| } |
| |
| add_phase_exit: |
| if (ret == 0) { |
| LOG_DBG("Attach PID[0x%016llX] DA[0x%02X] SA[0x%02X] to DAT%d", target->pid, |
| target->dynamic_addr, target->static_addr, target_index); |
| } else { |
| LOG_DBG("DAA address phase error"); |
| } |
| } |
| |
| static void i3c_renesas_ra_hal_callback(i3c_callback_args_t const *const p_args) |
| { |
| const struct device *dev = (const struct device *)p_args->p_context; |
| struct i3c_renesas_ra_data *data = dev->data; |
| |
| data->cb_status = p_args->event_status; |
| |
| switch (p_args->event) { |
| case I3C_EVENT_ENTDAA_ADDRESS_PHASE: |
| if (!data->skip_address_phase) { |
| i3c_renesas_ra_handle_address_phase(dev, p_args->p_slave_info); |
| data->address_phase_count++; |
| } |
| break; |
| |
| case I3C_EVENT_ADDRESS_ASSIGNMENT_COMPLETE: |
| k_sem_give(&data->daa_end); |
| break; |
| |
| case I3C_EVENT_READ_COMPLETE: |
| __fallthrough; |
| case I3C_EVENT_WRITE_COMPLETE: |
| data->num_xfer = p_args->transfer_size; |
| k_sem_give(&data->xfer_end); |
| break; |
| |
| case I3C_EVENT_COMMAND_COMPLETE: |
| data->num_xfer = p_args->transfer_size; |
| k_sem_give(&data->ccc_end); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| /* Specific functions */ |
| static int calculate_period(uint32_t tclk_rate, struct i3c_renesas_ra_scl_period *period) |
| { |
| double divider = period->divider; |
| double t_rising_ns = period->t_rising_ns; |
| double t_falling_ns = period->t_falling_ns; |
| double t_high_ns = period->t_high_ns; |
| double bitrate = period->bitrate; |
| int mode = period->mode; |
| |
| uint32_t scl_cnt_high = (double)tclk_rate * t_high_ns / ((double)1e9 * divider); |
| double actual_t_high_ns = (double)scl_cnt_high * (double)1e9 * divider / (double)tclk_rate; |
| double t_low_ns = ((double)1e9 / bitrate) - actual_t_high_ns - t_rising_ns - t_falling_ns; |
| |
| if (mode == RENESAS_RA_I3C_SCL_OPENDRAIN && t_low_ns < 200.0) { |
| LOG_DBG("SCL Low period must be greater than or equal to 200 nanoseconds."); |
| } |
| if (mode == RENESAS_RA_I3C_SCL_PUSHPULL && t_low_ns < 24.0) { |
| LOG_DBG("SCL Low period must be greater than or equal to 24 nanoseconds."); |
| } |
| uint32_t scl_cnt_low = t_low_ns * (double)tclk_rate / ((double)1e9 * divider); |
| |
| if (scl_cnt_high > period->h_max || scl_cnt_low > period->l_max || scl_cnt_high == 0 || |
| scl_cnt_low == 0) { |
| return -EINVAL; |
| } |
| period->t_high_ns = actual_t_high_ns; |
| period->t_low_ns = t_low_ns; |
| period->high = scl_cnt_high; |
| period->low = scl_cnt_low; |
| period->bitrate = tclk_rate / ((scl_cnt_high + scl_cnt_low) * divider); |
| |
| return 0; |
| } |
| |
| static int i3c_renesas_ra_bitrate_setup(const struct device *dev) |
| { |
| const struct i3c_renesas_ra_config *config = dev->config; |
| struct i3c_renesas_ra_data *data = dev->data; |
| i3c_extended_cfg_t *p_extend = (i3c_extended_cfg_t *)data->fsp_cfg->p_extend; |
| i3c_bitrate_settings_t *bitrate_setting = &p_extend->bitrate_settings; |
| uint32_t i3c_bitrate = data->common.ctrl_config.scl.i3c; |
| uint32_t i2c_bitrate = data->common.ctrl_config.scl.i2c; |
| uint8_t dsbrpo = 0; |
| uint32_t tclk_rate; |
| uint32_t pclk_rate; |
| int ret = 0; |
| |
| struct i3c_renesas_ra_scl_period std_opendrain; |
| struct i3c_renesas_ra_scl_period std_pushpull; |
| struct i3c_renesas_ra_scl_period ext_opendrain; |
| struct i3c_renesas_ra_scl_period ext_pushpull; |
| |
| if (i3c_bitrate < i2c_bitrate) { |
| return -EINVAL; |
| } |
| |
| /* Use STDBR for I2C and I3C transfers */ |
| std_opendrain.bitrate = i2c_bitrate; |
| std_opendrain.divider = 1; |
| std_opendrain.mode = RENESAS_RA_I3C_SCL_OPENDRAIN; |
| std_opendrain.t_high_ns = I3C_RENESAS_RA_OD_HIGH_NS; |
| std_opendrain.t_rising_ns = I3C_RENESAS_RA_OD_RISING_NS; |
| std_opendrain.t_falling_ns = I3C_RENESAS_RA_OD_FALLING_NS; |
| std_opendrain.h_max = I3C_RENESAS_RA_SBRHO_MAX; |
| std_opendrain.l_max = I3C_RENESAS_RA_SBRLO_MAX; |
| |
| std_pushpull.bitrate = i3c_bitrate; |
| std_pushpull.divider = 1; |
| std_pushpull.mode = RENESAS_RA_I3C_SCL_PUSHPULL; |
| std_pushpull.t_high_ns = I3C_RENESAS_RA_PP_HIGH_NS; |
| std_pushpull.t_rising_ns = I3C_RENESAS_RA_PP_RISING_NS; |
| std_pushpull.t_falling_ns = I3C_RENESAS_RA_PP_FALLING_NS; |
| std_pushpull.h_max = I3C_RENESAS_RA_SBRHP_MAX; |
| std_pushpull.l_max = I3C_RENESAS_RA_SBRLP_MAX; |
| |
| /* Set EXTBR */ |
| ext_opendrain.bitrate = I3C_RENESAS_RA_TYP_OD_RATE; |
| ext_opendrain.divider = 1; |
| ext_opendrain.mode = RENESAS_RA_I3C_SCL_OPENDRAIN; |
| ext_opendrain.t_high_ns = I3C_RENESAS_RA_OD_HIGH_NS; |
| ext_opendrain.t_rising_ns = I3C_RENESAS_RA_OD_RISING_NS; |
| ext_opendrain.t_falling_ns = I3C_RENESAS_RA_OD_FALLING_NS; |
| ext_opendrain.h_max = I3C_RENESAS_RA_EBRHO_MAX; |
| ext_opendrain.l_max = I3C_RENESAS_RA_EBRLO_MAX; |
| |
| ext_pushpull.bitrate = I3C_RENESAS_RA_TYP_PP_RATE; |
| ext_pushpull.divider = 1; |
| ext_pushpull.mode = RENESAS_RA_I3C_SCL_PUSHPULL; |
| ext_pushpull.t_high_ns = I3C_RENESAS_RA_PP_HIGH_NS; |
| ext_pushpull.t_rising_ns = I3C_RENESAS_RA_PP_RISING_NS; |
| ext_pushpull.t_falling_ns = I3C_RENESAS_RA_PP_FALLING_NS; |
| ext_pushpull.h_max = I3C_RENESAS_RA_EBRHP_MAX; |
| ext_pushpull.l_max = I3C_RENESAS_RA_EBRLP_MAX; |
| |
| /* Save bitrate mode */ |
| data->i3c_mode = I3C_BITRATE_MODE_I3C_SDR0_STDBR; |
| |
| clock_control_get_rate(config->tclk_dev, (clock_control_subsys_t)&config->tclk_subsys, |
| &tclk_rate); |
| clock_control_get_rate(config->pclk_dev, (clock_control_subsys_t)&config->pclk_subsys, |
| &pclk_rate); |
| LOG_DBG("Clock rate I3CCLK %d PCLK %d", tclk_rate, pclk_rate); |
| |
| /* Relation between the bus clock (PCLK) and transfer clock(TCLK) */ |
| if (pclk_rate > tclk_rate || pclk_rate < tclk_rate / 2) { |
| ret = -EINVAL; |
| goto bitrate_exit; |
| } |
| |
| /* Calculate period setting for scl in standard opendrain modes */ |
| ret = calculate_period(tclk_rate, &std_opendrain); |
| if (ret) { |
| /* |
| * Try resolve with dsbrpro=1, |
| * double scl bitrate for standard opendrain mode |
| */ |
| dsbrpo = 1; |
| std_opendrain.divider = 2; |
| ret = calculate_period(tclk_rate, &std_opendrain); |
| } |
| if (ret) { |
| goto bitrate_exit; |
| } |
| |
| /* Calculate period setting for scl in standard pushpull modes */ |
| ret = calculate_period(tclk_rate, &std_pushpull); |
| if (ret) { |
| goto bitrate_exit; |
| } |
| |
| /* Calculate period setting for scl in extexnded opendrain modes */ |
| ret = calculate_period(tclk_rate, &ext_opendrain); |
| if (ret) { |
| goto bitrate_exit; |
| } |
| |
| /* Calculate period setting for scl in extexnded pushpull modes */ |
| ret = calculate_period(tclk_rate, &ext_pushpull); |
| if (ret) { |
| goto bitrate_exit; |
| } |
| |
| LOG_DBG("actual I2C speed: %d Mbps", std_opendrain.bitrate); |
| LOG_DBG("actual I3C speed: OD %d Mbps, PP %d Mbps", std_opendrain.bitrate, |
| std_pushpull.bitrate); |
| |
| bitrate_setting->stdbr = ((std_opendrain.high << R_I3C0_STDBR_SBRHO_Pos) | |
| (std_opendrain.low << R_I3C0_STDBR_SBRLO_Pos)) | |
| ((std_pushpull.high << R_I3C0_STDBR_SBRHP_Pos) | |
| (std_pushpull.low << R_I3C0_STDBR_SBRLP_Pos)) | |
| (dsbrpo << R_I3C0_STDBR_DSBRPO_Pos); |
| bitrate_setting->extbr = ((ext_opendrain.high << R_I3C0_EXTBR_EBRHO_Pos) | |
| (ext_opendrain.low << R_I3C0_EXTBR_EBRLO_Pos)) | |
| ((ext_pushpull.high << R_I3C0_EXTBR_EBRHP_Pos) | |
| (ext_pushpull.low << R_I3C0_EXTBR_EBRLP_Pos)); |
| |
| bitrate_exit: |
| return ret; |
| } |
| |
| /* i3c interface */ |
| static int i3c_renesas_ra_configure(const struct device *dev, enum i3c_config_type type, |
| void *bus_config) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| struct i3c_config_controller *ctrler_cfg; |
| fsp_err_t fsp_err = FSP_SUCCESS; |
| int ret = 0; |
| i3c_device_table_cfg_t device[I3C_RENESAS_RA_DATBAS_NUM]; |
| |
| k_mutex_lock(&data->bus_lock, K_FOREVER); |
| |
| switch (type) { |
| case I3C_CONFIG_CONTROLLER: |
| ctrler_cfg = bus_config; |
| /* Unsupported mode */ |
| if (ctrler_cfg->is_secondary || ctrler_cfg->supported_hdr) { |
| ret = -ENOTSUP; |
| goto configure_exit; |
| } |
| |
| if ((ctrler_cfg->scl.i2c == 0U) || (ctrler_cfg->scl.i3c == 0U)) { |
| ret = -EINVAL; |
| goto configure_exit; |
| } |
| /* Save bitrate setting to device data */ |
| data->common.ctrl_config.scl.i3c = ctrler_cfg->scl.i3c; |
| data->common.ctrl_config.scl.i2c = ctrler_cfg->scl.i2c; |
| |
| /* Bitrate settings */ |
| ret = i3c_renesas_ra_bitrate_setup(dev); |
| if (ret) { |
| LOG_ERR("Failed to resolve bitrate settings"); |
| goto configure_exit; |
| } |
| |
| /* retain DAT */ |
| for (int i = 0; i < I3C_RENESAS_RA_DATBAS_NUM; i++) { |
| if (!data->device_info[i].active) { |
| continue; |
| } |
| fsp_err = |
| R_I3C_MasterDeviceTableGet(data->fsp_ctrl, (uint32_t)i, &device[i]); |
| if (fsp_err != FSP_SUCCESS) { |
| LOG_DBG("retain DAT failed, err=%d", ret); |
| ret = -EIO; |
| goto configure_exit; |
| } |
| } |
| |
| /* Close bus*/ |
| if (data->fsp_ctrl->open == I3C_RENESAS_RA_BUS_OPEN) { |
| fsp_err = R_I3C_Close(data->fsp_ctrl); |
| if (fsp_err != FSP_SUCCESS) { |
| LOG_ERR("Failed to init i3c bus, err=%d", fsp_err); |
| ret = -EIO; |
| goto configure_exit; |
| } |
| } |
| |
| /* Open I3C bus */ |
| data->fsp_cfg->device_type = I3C_DEVICE_TYPE_MAIN_MASTER; |
| fsp_err = R_I3C_Open(data->fsp_ctrl, data->fsp_cfg); |
| if (fsp_err != FSP_SUCCESS) { |
| LOG_ERR("Failed to init i3c bus, err=%d", fsp_err); |
| ret = -EIO; |
| goto configure_exit; |
| } |
| |
| /* reload DAT */ |
| for (int i = 0; i < I3C_RENESAS_RA_DATBAS_NUM; i++) { |
| if (!data->device_info[i].active) { |
| continue; |
| } |
| fsp_err = |
| R_I3C_MasterDeviceTableSet(data->fsp_ctrl, (uint32_t)i, &device[i]); |
| if (fsp_err != FSP_SUCCESS) { |
| LOG_DBG("reload DAT failed %d, err=%d", i, ret); |
| ret = -EIO; |
| goto configure_exit; |
| } |
| } |
| |
| /* Set this device as master role */ |
| fsp_err = R_I3C_DeviceCfgSet(data->fsp_ctrl, data->fsp_master_cfg); |
| if (ret) { |
| LOG_ERR("Failed to init i3c controller, err=%d", ret); |
| ret = -EIO; |
| goto configure_exit; |
| } |
| |
| /* Enable bus to apply bitrate setting */ |
| fsp_err = R_I3C_Enable(data->fsp_ctrl); |
| if (fsp_err != FSP_SUCCESS) { |
| LOG_ERR("Failed to enable bus, err=%d", fsp_err); |
| ret = -EIO; |
| goto configure_exit; |
| } |
| break; |
| |
| case I3C_CONFIG_TARGET: |
| /* TODO: target mode */ |
| ret = -ENOTSUP; |
| break; |
| |
| default: |
| ret = -ENOTSUP; |
| break; |
| } |
| |
| configure_exit: |
| k_mutex_unlock(&data->bus_lock); |
| |
| return ret; |
| } |
| |
| static int i3c_renesas_ra_config_get(const struct device *dev, enum i3c_config_type type, |
| void *bus_config) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| |
| if (type == I3C_CONFIG_CONTROLLER) { |
| #ifdef CONFIG_I3C_CONTROLLER |
| (void)memcpy(bus_config, &data->common.ctrl_config, |
| sizeof(data->common.ctrl_config)); |
| #else |
| return -ENOTSUP; |
| #endif /* CONFIG_I3C_CONTROLLER */ |
| } else { |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int i3c_renesas_ra_attach_i3c_device(const struct device *dev, |
| struct i3c_device_desc *target) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| fsp_err_t fsp_err = FSP_SUCCESS; |
| int target_index = -1; |
| int ret = 0; |
| i3c_device_table_cfg_t device_table = {0}; |
| |
| if (target->dynamic_addr == 0 && target->static_addr == 0) { |
| /* |
| * Do notthing. |
| * This case called from address slots init process. |
| */ |
| return 0; |
| } |
| |
| k_mutex_lock(&data->bus_lock, K_FOREVER); |
| |
| /* Create scheme for saving device in DAT */ |
| device_table.dynamic_address = target->dynamic_addr ? target->dynamic_addr : 0x00; |
| device_table.static_address = target->static_addr ? target->static_addr : 0x00; |
| device_table.device_protocol = I3C_DEVICE_PROTOCOL_I3C; |
| device_table.ibi_accept = false; |
| device_table.ibi_payload = false; |
| device_table.master_request_accept = false; |
| |
| target_index = i3c_renesas_ra_device_index_request( |
| dev, (target->dynamic_addr) ? target->dynamic_addr : target->static_addr, false); |
| if (target_index < 0) { |
| ret = -ERANGE; |
| goto attach_i3c_exit; |
| } |
| |
| fsp_err = R_I3C_MasterDeviceTableSet(data->fsp_ctrl, target_index, &device_table); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto attach_i3c_exit; |
| } |
| |
| attach_i3c_exit: |
| k_mutex_unlock(&data->bus_lock); |
| |
| if (ret == 0) { |
| LOG_DBG("Attach PID[0x%016llX] DA[0x%02X] SA[0x%02X] to DAT%d", target->pid, |
| target->dynamic_addr, target->static_addr, target_index); |
| } |
| |
| return ret; |
| } |
| |
| static int i3c_renesas_ra_reattach_i3c_device(const struct device *dev, |
| struct i3c_device_desc *target, uint8_t old_dyn_addr) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| fsp_err_t fsp_err = FSP_SUCCESS; |
| int target_index = -1; |
| int ret = 0; |
| i3c_device_table_cfg_t device_table = {0}; |
| |
| if (target->dynamic_addr == 0 && target->static_addr == 0) { |
| return -EINVAL; |
| } |
| |
| k_mutex_lock(&data->bus_lock, K_FOREVER); |
| |
| target_index = i3c_renesas_ra_device_index_find(dev, old_dyn_addr, false); |
| if (target_index < 0) { |
| ret = -ENODEV; |
| goto reattach_i3c_exit; |
| } |
| |
| fsp_err = R_I3C_MasterDeviceTableGet(data->fsp_ctrl, target_index, &device_table); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto reattach_i3c_exit; |
| } |
| device_table.dynamic_address = target->dynamic_addr ? target->dynamic_addr : 0x00; |
| device_table.static_address = target->static_addr ? target->static_addr : 0x00; |
| |
| fsp_err = R_I3C_MasterDeviceTableSet(data->fsp_ctrl, target_index, &device_table); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto reattach_i3c_exit; |
| } |
| |
| reattach_i3c_exit: |
| k_mutex_unlock(&data->bus_lock); |
| |
| if (ret == 0) { |
| LOG_DBG("Reattach PID[0x%016llX] DA[0x%02X] SA[0x%02X] to DAT%d", target->pid, |
| target->dynamic_addr, target->static_addr, target_index); |
| } |
| return ret; |
| } |
| |
| static int i3c_renesas_ra_detach_i3c_device(const struct device *dev, |
| struct i3c_device_desc *target) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| fsp_err_t fsp_err = FSP_SUCCESS; |
| int ret = 0; |
| int target_index = -1; |
| |
| k_mutex_lock(&data->bus_lock, K_FOREVER); |
| |
| target_index = i3c_renesas_ra_device_index_find( |
| dev, (target->dynamic_addr) ? target->dynamic_addr : target->static_addr, false); |
| if (target_index < 0) { |
| ret = -ERANGE; |
| goto detach_i3c_exit; |
| } |
| |
| fsp_err = R_I3C_MasterDeviceTableReset(data->fsp_ctrl, target_index); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto detach_i3c_exit; |
| } |
| |
| detach_i3c_exit: |
| k_mutex_unlock(&data->bus_lock); |
| |
| if (ret == 0) { |
| LOG_DBG("Detach PID[0x%016llX] from Device Table", target->pid); |
| } |
| |
| return ret; |
| } |
| |
| static int i3c_renesas_ra_do_daa(const struct device *dev) |
| { |
| const struct i3c_renesas_ra_config *config = dev->config; |
| struct i3c_renesas_ra_data *data = dev->data; |
| fsp_err_t fsp_err = FSP_SUCCESS; |
| int ret = 0; |
| |
| k_mutex_lock(&data->bus_lock, K_FOREVER); |
| |
| /* If num_i3c is 0, set num_dev to 1 for handling daa called from hot-join IBI */ |
| uint32_t num_dev = (config->common.dev_list.num_i3c) ? config->common.dev_list.num_i3c : 1; |
| uint32_t start_index = 0; |
| |
| /* Start DAA without address asignment to get device info */ |
| data->address_phase_count = 0; |
| data->skip_address_phase = false; |
| fsp_err = R_I3C_DynamicAddressAssignmentStart(data->fsp_ctrl, I3C_CCC_ENTDAA, start_index, |
| num_dev); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto daa_exit; |
| } |
| |
| ret = k_sem_take(&data->daa_end, I3C_RENESAS_RA_TRANSFER_TIMEOUT); |
| if (ret == -EAGAIN) { |
| ret = -ETIMEDOUT; |
| goto daa_exit; |
| } |
| |
| if (data->address_phase_count == 0) { |
| /* No device apply DA */ |
| goto daa_exit; |
| } |
| |
| /* Start DAA again to apply new addresses */ |
| data->skip_address_phase = true; |
| fsp_err = R_I3C_DynamicAddressAssignmentStart(data->fsp_ctrl, I3C_CCC_ENTDAA, start_index, |
| num_dev); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto daa_exit; |
| } |
| |
| ret = k_sem_take(&data->daa_end, I3C_RENESAS_RA_TRANSFER_TIMEOUT); |
| if (ret == -EAGAIN) { |
| ret = -ETIMEDOUT; |
| goto daa_exit; |
| } |
| |
| if (data->cb_status != RSP_STT_SUCCESS) { |
| ret = -EIO; |
| goto daa_exit; |
| } |
| |
| goto daa_exit; |
| |
| daa_exit: |
| k_mutex_unlock(&data->bus_lock); |
| |
| LOG_DBG("DAA %s", ret ? "failed" : "complete"); |
| return ret; |
| } |
| |
| static int i3c_renesas_ra_do_dasa(const struct device *dev) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| fsp_err_t fsp_err = FSP_SUCCESS; |
| int ret = 0; |
| |
| k_mutex_lock(&data->bus_lock, K_FOREVER); |
| |
| fsp_err = R_I3C_DynamicAddressAssignmentStart(data->fsp_ctrl, I3C_CCC_SETDASA, 0, 1); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto dasa_exit; |
| } |
| |
| ret = k_sem_take(&data->daa_end, I3C_RENESAS_RA_TRANSFER_TIMEOUT); |
| if (ret == -EAGAIN) { |
| ret = -ETIMEDOUT; |
| goto dasa_exit; |
| } |
| |
| if (data->cb_status != RSP_STT_SUCCESS) { |
| ret = -EIO; |
| goto dasa_exit; |
| } |
| |
| goto dasa_exit; |
| |
| dasa_exit: |
| k_mutex_unlock(&data->bus_lock); |
| |
| LOG_DBG("DASA %s", ret ? "failed" : "complete"); |
| return ret; |
| } |
| |
| static int i3c_renesas_ra_broadcast_ccc(const struct device *dev, struct i3c_ccc_payload *payload) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| fsp_err_t fsp_err = FSP_SUCCESS; |
| int ret = 0; |
| i3c_command_descriptor_t cmd = {0}; |
| |
| cmd.command_code = payload->ccc.id; |
| cmd.restart = 0; |
| cmd.rnw = 0; /* Broadcast is always write */ |
| cmd.p_buffer = (payload->ccc.data_len) ? payload->ccc.data : NULL; |
| cmd.length = (uint32_t)payload->ccc.data_len; |
| |
| k_mutex_lock(&data->bus_lock, K_FOREVER); |
| |
| /* Select bitrate mode, ignore target index */ |
| fsp_err = R_I3C_DeviceSelect(data->fsp_ctrl, 0x00, data->i3c_mode); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto bc_ccc_exit; |
| } |
| |
| fsp_err = R_I3C_CommandSend(data->fsp_ctrl, &cmd); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto bc_ccc_exit; |
| } |
| |
| ret = k_sem_take(&data->ccc_end, I3C_RENESAS_RA_TRANSFER_TIMEOUT); |
| if (ret == -EAGAIN) { |
| ret = -ETIMEDOUT; |
| goto bc_ccc_exit; |
| } |
| |
| if (data->cb_status != RSP_STT_SUCCESS) { |
| ret = -EIO; |
| goto bc_ccc_exit; |
| } |
| |
| payload->ccc.num_xfer = data->num_xfer; |
| |
| bc_ccc_exit: |
| k_mutex_unlock(&data->bus_lock); |
| |
| LOG_DBG("broadcast CCC[0x%02X] %s", payload->ccc.id, ret ? "failed" : "complete"); |
| return ret; |
| } |
| |
| static int i3c_renesas_ra_direct_ccc(const struct device *dev, struct i3c_ccc_payload *payload) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| fsp_err_t fsp_err = FSP_SUCCESS; |
| int ret = 0; |
| int num_targets = payload->targets.num_targets; |
| int target_index = -1; |
| i3c_command_descriptor_t cmd = {0}; |
| |
| k_mutex_lock(&data->bus_lock, K_FOREVER); |
| |
| for (int i = 0; i < num_targets; i++) { |
| struct i3c_ccc_target_payload *tg_payload = &payload->targets.payloads[i]; |
| |
| cmd.command_code = payload->ccc.id; |
| cmd.restart = (i == num_targets - 1) ? 0 : 1; |
| cmd.rnw = tg_payload->rnw; |
| cmd.p_buffer = tg_payload->data; |
| cmd.length = (uint32_t)tg_payload->data_len; |
| |
| target_index = i3c_renesas_ra_device_index_find(dev, tg_payload->addr, false); |
| if (target_index < 0) { |
| ret = -ENODEV; |
| goto dr_ccc_exit; |
| } |
| |
| /* Select target index and bitrate mode */ |
| fsp_err = R_I3C_DeviceSelect(data->fsp_ctrl, target_index, data->i3c_mode); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto dr_ccc_exit; |
| } |
| |
| payload->ccc.num_xfer = 0; |
| |
| fsp_err = R_I3C_CommandSend(data->fsp_ctrl, &cmd); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto dr_ccc_exit; |
| } |
| |
| ret = k_sem_take(&data->ccc_end, I3C_RENESAS_RA_TRANSFER_TIMEOUT); |
| if (ret == -EAGAIN) { |
| ret = -ETIMEDOUT; |
| goto dr_ccc_exit; |
| } |
| |
| if (data->cb_status != RSP_STT_SUCCESS) { |
| ret = -EIO; |
| goto dr_ccc_exit; |
| } |
| |
| tg_payload->num_xfer = data->num_xfer; |
| } |
| |
| dr_ccc_exit: |
| k_mutex_unlock(&data->bus_lock); |
| |
| LOG_DBG("direct CCC[0x%02X] %s", payload->ccc.id, ret ? "failed" : "complete"); |
| return ret; |
| } |
| |
| /* Common command code Method */ |
| static int i3c_renesas_ra_do_ccc(const struct device *dev, struct i3c_ccc_payload *payload) |
| { |
| if (dev == NULL || payload == NULL || |
| (payload->ccc.data_len > 0 && payload->ccc.data == NULL)) { |
| return -EINVAL; |
| } |
| |
| if (payload->ccc.id == I3C_CCC_SETDASA) { |
| /* SETDASA CCC is not implemented as normal CCC */ |
| return i3c_renesas_ra_do_dasa(dev); |
| } |
| |
| if (i3c_ccc_is_payload_broadcast(payload)) { |
| return i3c_renesas_ra_broadcast_ccc(dev, payload); |
| } else { |
| return i3c_renesas_ra_direct_ccc(dev, payload); |
| } |
| } |
| |
| static int i3c_renesas_ra_i3c_transfer(const struct device *dev, struct i3c_device_desc *target, |
| struct i3c_msg *msgs, uint8_t num_msgs) |
| { |
| struct i3c_renesas_ra_data *data = dev->data; |
| fsp_err_t fsp_err = FSP_SUCCESS; |
| int target_index = -1; |
| int ret = 0; |
| |
| if (msgs == NULL || target->dynamic_addr == 0U) { |
| return -EINVAL; |
| } |
| |
| /* Verify all messages */ |
| for (size_t i = 0; i < num_msgs; i++) { |
| if (msgs[i].buf == NULL) { |
| return -EINVAL; |
| } |
| if ((msgs[i].flags & I3C_MSG_HDR) && (msgs[i].hdr_mode != 0)) { |
| return -ENOTSUP; |
| } |
| } |
| |
| k_mutex_lock(&data->bus_lock, K_FOREVER); |
| |
| target_index = i3c_renesas_ra_device_index_find( |
| dev, (target->dynamic_addr) ? target->dynamic_addr : target->static_addr, false); |
| if (target_index < 0) { |
| return -ENODEV; |
| } |
| |
| /* Select target index and bitrate mode */ |
| fsp_err = R_I3C_DeviceSelect(data->fsp_ctrl, target_index, data->i3c_mode); |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto i3c_xfer_exit; |
| } |
| |
| for (int i = 0; i < num_msgs; i++) { |
| bool msg_rst = (msgs[i].flags & I3C_MSG_STOP) ? false : true; |
| |
| if (msgs[i].flags & I3C_MSG_READ) { |
| fsp_err = R_I3C_Read(data->fsp_ctrl, msgs[i].buf, msgs[i].len, msg_rst); |
| } else { |
| fsp_err = R_I3C_Write(data->fsp_ctrl, msgs[i].buf, msgs[i].len, msg_rst); |
| } |
| msgs[i].num_xfer = data->num_xfer; |
| if (fsp_err != FSP_SUCCESS) { |
| ret = -EIO; |
| goto i3c_xfer_exit; |
| } |
| |
| ret = k_sem_take(&data->xfer_end, I3C_RENESAS_RA_TRANSFER_TIMEOUT); |
| if (ret == -EAGAIN) { |
| ret = -ETIMEDOUT; |
| goto i3c_xfer_exit; |
| } |
| |
| if (data->cb_status != RSP_STT_SUCCESS && data->cb_status != RSP_STT_ABORTED) { |
| ret = -EIO; |
| goto i3c_xfer_exit; |
| } |
| } |
| goto i3c_xfer_exit; |
| |
| i3c_xfer_exit: |
| k_mutex_unlock(&data->bus_lock); |
| |
| LOG_DBG("xfer I3C[0x%02X] %s", target->dynamic_addr, ret ? "failed" : "complete"); |
| return ret; |
| } |
| |
| static struct i3c_device_desc *i3c_renesas_ra_device_find(const struct device *dev, |
| const struct i3c_device_id *id) |
| { |
| const struct i3c_renesas_ra_config *config = dev->config; |
| |
| return i3c_dev_list_find(&config->common.dev_list, id); |
| } |
| |
| static int i3c_renesas_ra_init(const struct device *dev) |
| { |
| const struct i3c_renesas_ra_config *config = dev->config; |
| struct i3c_renesas_ra_data *data = dev->data; |
| int ret = 0; |
| |
| k_sem_init(&data->daa_end, 0, 1); |
| k_sem_init(&data->ccc_end, 0, 1); |
| k_sem_init(&data->xfer_end, 0, 1); |
| k_mutex_init(&data->bus_lock); |
| |
| ret = pinctrl_apply_state(config->pin_cfg, PINCTRL_STATE_DEFAULT); |
| if (ret) { |
| LOG_ERR("Apply pinctrl fail %d", ret); |
| return ret; |
| } |
| |
| ret = clock_control_on(config->pclk_dev, (clock_control_subsys_t)&config->pclk_subsys); |
| if (ret) { |
| LOG_ERR("Failed to start i3c bus clock, err=%d", ret); |
| return ret; |
| } |
| |
| config->bus_enable_irq(); |
| |
| #ifdef CONFIG_I3C_CONTROLLER |
| data->mode = i3c_renesas_ra_get_bus_mode(&config->common.dev_list); |
| |
| /* Clear bus internal device info */ |
| memset(data->device_info, 0x00, |
| sizeof(struct i3c_renesas_ra_dev_info) * I3C_RENESAS_RA_DATBAS_NUM); |
| |
| /* Init address slots */ |
| ret = i3c_renesas_ra_address_slots_init(dev); |
| if (ret) { |
| LOG_ERR("Failed to set controller address, err=%d", ret); |
| return ret; |
| } |
| |
| /* Configure bus */ |
| if (i3c_configure(dev, I3C_CONFIG_CONTROLLER, &data->common.ctrl_config)) { |
| LOG_ERR("Failed to configure bus"); |
| return ret; |
| } |
| |
| /* Check I3C is controller mode and target device exist in device tree */ |
| if (config->common.dev_list.num_i3c > 0) { |
| /* Perform bus initialization */ |
| ret = i3c_bus_init(dev, &config->common.dev_list); |
| if (ret) { |
| LOG_ERR("Apply i3c_bus_init() fail %d", ret); |
| return ret; |
| } |
| } |
| #endif /* CONFIG_I3C_CONTROLLER */ |
| return 0; |
| } |
| |
| /* i3c device API */ |
| static DEVICE_API(i3c, i3c_renesas_ra_api) = { |
| .configure = i3c_renesas_ra_configure, |
| .config_get = i3c_renesas_ra_config_get, |
| .attach_i3c_device = i3c_renesas_ra_attach_i3c_device, |
| .reattach_i3c_device = i3c_renesas_ra_reattach_i3c_device, |
| .detach_i3c_device = i3c_renesas_ra_detach_i3c_device, |
| .do_daa = i3c_renesas_ra_do_daa, |
| .do_ccc = i3c_renesas_ra_do_ccc, |
| .i3c_xfers = i3c_renesas_ra_i3c_transfer, |
| .i3c_device_find = i3c_renesas_ra_device_find, |
| #ifdef CONFIG_I3C_RTIO |
| .iodev_submit = i3c_iodev_submit_fallback, |
| #endif /* CONFIG_I3C_RTIO */ |
| }; |
| |
| #define I3C_RENESAS_RA_IRQ_EN(index, isr_name, isr_func, event_name) \ |
| R_ICU->IELSR[DT_INST_IRQ_BY_NAME(index, isr_name, irq)] = BSP_PRV_IELS_ENUM(event_name); \ |
| IRQ_CONNECT(DT_INST_IRQ_BY_NAME(index, isr_name, irq), \ |
| DT_INST_IRQ_BY_NAME(index, isr_name, priority), isr_func, \ |
| DEVICE_DT_INST_GET(index), 0); \ |
| irq_enable(DT_INST_IRQ_BY_NAME(index, isr_name, irq)); |
| |
| /* HAL Configurations */ |
| #define I3C_RENESAS_RA_HAL_INIT(index) \ |
| static i3c_instance_ctrl_t i3c##index##_ctrl; \ |
| static i3c_extended_cfg_t i3c##index##_cfg_extend = { \ |
| .bitrate_settings.stdbr = RESET_VALUE, \ |
| .bitrate_settings.extbr = RESET_VALUE, \ |
| .bitrate_settings.clock_stalling.assigned_address_phase_enable = RESET_VALUE, \ |
| .bitrate_settings.clock_stalling.transition_phase_enable = RESET_VALUE, \ |
| .bitrate_settings.clock_stalling.parity_phase_enable = RESET_VALUE, \ |
| .bitrate_settings.clock_stalling.ack_phase_enable = RESET_VALUE, \ |
| .bitrate_settings.clock_stalling.clock_stalling_time = RESET_VALUE, \ |
| .ibi_control.hot_join_acknowledge = RESET_VALUE, \ |
| .ibi_control.notify_rejected_hot_join_requests = RESET_VALUE, \ |
| .ibi_control.notify_rejected_mastership_requests = RESET_VALUE, \ |
| .ibi_control.notify_rejected_interrupt_requests = RESET_VALUE, \ |
| .bus_free_detection_time = I3C_RENESAS_RA_BUS_FREE_DETECTION_TIME, \ |
| .bus_available_detection_time = I3C_RENESAS_RA_BUS_AVAILABLE_DETECTION_TIME, \ |
| .bus_idle_detection_time = I3C_RENESAS_RA_BUS_IDLE_DETECTION_TIME, \ |
| .timeout_detection_enable = true, \ |
| .slave_command_response_info = {0}, \ |
| .resp_irq = DT_INST_IRQ_BY_NAME(index, resp, irq), \ |
| .rx_irq = DT_INST_IRQ_BY_NAME(index, rx, irq), \ |
| .tx_irq = DT_INST_IRQ_BY_NAME(index, tx, irq), \ |
| .rcv_irq = DT_INST_IRQ_BY_NAME(index, rcv, irq), \ |
| .ibi_irq = DT_INST_IRQ_BY_NAME(index, ibi, irq), \ |
| .eei_irq = DT_INST_IRQ_BY_NAME(index, eei, irq), \ |
| }; \ |
| static i3c_cfg_t i3c##index##_cfg = { \ |
| .channel = DT_INST_PROP(index, channel), \ |
| .p_callback = &i3c_renesas_ra_hal_callback, \ |
| .p_context = (void *)DEVICE_DT_INST_GET(index), \ |
| .p_extend = &i3c##index##_cfg_extend, \ |
| }; \ |
| static i3c_device_cfg_t i3c##index##_master_cfg = {0}; \ |
| static struct i3c_renesas_ra_dev_info i3c##index##_dev_inf[I3C_RENESAS_RA_DATBAS_NUM]; |
| |
| /* Device Initialize */ |
| #define I3C_RENESAS_RA_INIT(index) \ |
| I3C_RENESAS_RA_HAL_INIT(index); \ |
| PINCTRL_DT_INST_DEFINE(index); \ |
| static struct i3c_device_desc i3c##index##_renesas_ra_i3c_dev_list[] = \ |
| I3C_DEVICE_ARRAY_DT_INST(index); \ |
| static struct i3c_i2c_device_desc i3c##index##_renesas_ra_i2c_dev_list[] = \ |
| I3C_I2C_DEVICE_ARRAY_DT_INST(index); \ |
| \ |
| static void i3c##index##_renesas_ra_enable_irq(void) \ |
| { \ |
| I3C_RENESAS_RA_IRQ_EN(index, resp, i3c_resp_isr, EVENT_I3C##index##_RESPONSE) \ |
| I3C_RENESAS_RA_IRQ_EN(index, rx, i3c_rx_isr, EVENT_I3C##index##_RX) \ |
| I3C_RENESAS_RA_IRQ_EN(index, tx, i3c_tx_isr, EVENT_I3C##index##_TX) \ |
| I3C_RENESAS_RA_IRQ_EN(index, rcv, i3c_rcv_isr, EVENT_I3C##index##_RCV_STATUS) \ |
| I3C_RENESAS_RA_IRQ_EN(index, eei, i3c_eei_isr, EVENT_I3C##index##_EEI) \ |
| } \ |
| \ |
| static struct i3c_renesas_ra_data i3c##index##_renesas_ra_data = { \ |
| .common.ctrl_config.scl.i3c = \ |
| DT_INST_PROP_OR(index, i3c_scl_hz, I3C_RENESAS_RA_TYP_PP_RATE), \ |
| .common.ctrl_config.scl.i2c = \ |
| DT_INST_PROP_OR(index, i2c_scl_hz, I3C_RENESAS_RA_TYP_OD_RATE), \ |
| .fsp_ctrl = &i3c##index##_ctrl, \ |
| .fsp_cfg = &i3c##index##_cfg, \ |
| .fsp_master_cfg = &i3c##index##_master_cfg, \ |
| .device_info = &i3c##index##_dev_inf[0], \ |
| .skip_address_phase = true, \ |
| }; \ |
| \ |
| static const struct i3c_renesas_ra_config i3c##index##_renesas_ra_config = { \ |
| .common.dev_list.i3c = i3c##index##_renesas_ra_i3c_dev_list, \ |
| .common.dev_list.num_i3c = ARRAY_SIZE(i3c##index##_renesas_ra_i3c_dev_list), \ |
| .common.dev_list.i2c = i3c##index##_renesas_ra_i2c_dev_list, \ |
| .common.dev_list.num_i2c = ARRAY_SIZE(i3c##index##_renesas_ra_i2c_dev_list), \ |
| .common.primary_controller_da = DT_INST_PROP_OR(index, primary_controller_da, 0), \ |
| .pin_cfg = PINCTRL_DT_INST_DEV_CONFIG_GET(index), \ |
| .pclk_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR_BY_NAME(index, pclk)), \ |
| .tclk_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR_BY_NAME(index, tclk)), \ |
| .pclk_subsys.mstp = (uint32_t)DT_INST_CLOCKS_CELL_BY_NAME(index, pclk, mstp), \ |
| .pclk_subsys.stop_bit = DT_INST_CLOCKS_CELL_BY_NAME(index, pclk, stop_bit), \ |
| .tclk_subsys.mstp = (uint32_t)DT_INST_CLOCKS_CELL_BY_NAME(index, tclk, mstp), \ |
| .tclk_subsys.stop_bit = DT_INST_CLOCKS_CELL_BY_NAME(index, tclk, stop_bit), \ |
| .bus_enable_irq = &i3c##index##_renesas_ra_enable_irq, \ |
| }; \ |
| \ |
| DEVICE_DT_INST_DEFINE(index, &i3c_renesas_ra_init, NULL, &i3c##index##_renesas_ra_data, \ |
| &i3c##index##_renesas_ra_config, POST_KERNEL, \ |
| CONFIG_I3C_CONTROLLER_INIT_PRIORITY, &i3c_renesas_ra_api) |
| |
| DT_INST_FOREACH_STATUS_OKAY(I3C_RENESAS_RA_INIT) |