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- /*
- * Copyright (c) 2006-2023, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Email: opensource_embedded@phytium.com.cn
- *
- * Change Logs:
- * Date Author Notes
- * 2023/7/11 liqiaozhong init SD card and mount file system
- * 2023/11/8 zhugengyu add interrupt handling for dma waiting, unify function naming
- */
- /***************************** Include Files *********************************/
- #include"rtconfig.h"
- #ifdef BSP_USING_SDIF
- #include <rthw.h>
- #include <rtdef.h>
- #include <rtthread.h>
- #include <rtdevice.h>
- #include <rtdbg.h>
- #include <drivers/mmcsd_core.h>
- #ifdef RT_USING_SMART
- #include "ioremap.h"
- #endif
- #include "mm_aspace.h"
- #include "interrupt.h"
- #define LOG_TAG "sdif_drv"
- #include "drv_log.h"
- #include "ftypes.h"
- #include "fparameters.h"
- #include "fcpu_info.h"
- #include "fsdif_timing.h"
- #include "fsdif.h"
- #include "fsdif_hw.h"
- #include "drv_sdif.h"
- /************************** Constant Definitions *****************************/
- #ifdef USING_SDIF0
- #define SDIF_CONTROLLER_ID FSDIF0_ID
- #elif defined (USING_SDIF1)
- #define SDIF_CONTROLLER_ID FSDIF1_ID
- #endif
- #define SDIF_MALLOC_CAP_DESC 256U
- #define SDIF_DMA_ALIGN 512U
- #define SDIF_DMA_BLK_SZ 512U
- #define SDIF_VALID_OCR 0x00FFFF80 /* supported voltage range is 1.65v-3.6v (VDD_165_195-VDD_35_36) */
- #define SDIF_MAX_BLK_TRANS 20U
- #ifndef CONFIG_SDCARD_OFFSET
- #define CONFIG_SDCARD_OFFSET 0x0U
- #endif
- /* preserve pointer to host instance */
- static struct rt_mmcsd_host *mmc_host[FSDIF_NUM] = {RT_NULL};
- /**************************** Type Definitions *******************************/
- typedef struct
- {
- FSdif *mmcsd_instance;
- FSdifIDmaDesc *rw_desc;
- rt_err_t (*transfer)(struct rt_mmcsd_host *host, struct rt_mmcsd_req *req, FSdifCmdData *cmd_data_p);
- struct rt_event event;
- #define SDIF_EVENT_CARD_DETECTED (1 << 0)
- #define SDIF_EVENT_COMMAND_DONE (1 << 1)
- #define SDIF_EVENT_DATA_DONE (1 << 2)
- #define SDIF_EVENT_ERROR_OCCUR (1 << 3)
- #define SDIF_EVENT_SDIO_IRQ (1 << 4)
- } fsdif_info_t;
- /************************** Variable Definitions *****************************/
- /***************** Macros (Inline Functions) Definitions *********************/
- void fsdif_change(void);
- /*******************************Api Functions*********************************/
- static void fsdif_host_relax(void)
- {
- rt_thread_mdelay(1);
- }
- static void fsdif_card_detect_callback(FSdif *const mmcsd_instance, void *args, u32 status, u32 dmac_status)
- {
- struct rt_mmcsd_host *host = (struct rt_mmcsd_host *)args;
- fsdif_info_t *private_data = (fsdif_info_t *)host->private_data;
- rt_event_send(&private_data->event, SDIF_EVENT_CARD_DETECTED);
- fsdif_change();
- }
- static void fsdif_command_done_callback(FSdif *const mmcsd_instance, void *args, u32 status, u32 dmac_status)
- {
- struct rt_mmcsd_host *host = (struct rt_mmcsd_host *)args;
- fsdif_info_t *private_data = (fsdif_info_t *)host->private_data;
- rt_event_send(&private_data->event, SDIF_EVENT_COMMAND_DONE);
- }
- static void fsdif_data_done_callback(FSdif *const mmcsd_instance, void *args, u32 status, u32 dmac_status)
- {
- struct rt_mmcsd_host *host = (struct rt_mmcsd_host *)args;
- fsdif_info_t *private_data = (fsdif_info_t *)host->private_data;
- rt_event_send(&private_data->event, SDIF_EVENT_DATA_DONE);
- }
- static void fsdif_sdio_irq_callback(FSdif *const mmcsd_instance, void *args, u32 status, u32 dmac_status)
- {
- struct rt_mmcsd_host *host = (struct rt_mmcsd_host *)args;
- fsdif_info_t *private_data = (fsdif_info_t *)host->private_data;
- rt_event_send(&private_data->event, SDIF_EVENT_SDIO_IRQ);
- }
- static void fsdif_error_occur_callback(FSdif *const mmcsd_instance, void *args, u32 status, u32 dmac_status)
- {
- struct rt_mmcsd_host *host = (struct rt_mmcsd_host *)args;
- fsdif_info_t *private_data = (fsdif_info_t *)host->private_data;
- rt_event_send(&private_data->event, SDIF_EVENT_ERROR_OCCUR);
- }
- static void fsdif_ctrl_setup_interrupt(struct rt_mmcsd_host *host)
- {
- fsdif_info_t *private_data = (fsdif_info_t *)host->private_data;
- FSdif *mmcsd_instance = private_data->mmcsd_instance;
- FSdifConfig *config_p = &mmcsd_instance->config;
- rt_uint32_t cpu_id = 0;
- GetCpuId((u32 *)&cpu_id);
- rt_hw_interrupt_set_target_cpus(config_p->irq_num, cpu_id);
- rt_hw_interrupt_set_priority(config_p->irq_num, 0xd0);
- /* register intr callback */
- rt_hw_interrupt_install(config_p->irq_num,
- FSdifInterruptHandler,
- mmcsd_instance,
- NULL);
- /* enable irq */
- rt_hw_interrupt_umask(config_p->irq_num);
- FSdifRegisterEvtHandler(mmcsd_instance, FSDIF_EVT_CARD_DETECTED, fsdif_card_detect_callback, host);
- FSdifRegisterEvtHandler(mmcsd_instance, FSDIF_EVT_ERR_OCCURE, fsdif_error_occur_callback, host);
- FSdifRegisterEvtHandler(mmcsd_instance, FSDIF_EVT_CMD_DONE, fsdif_command_done_callback, host);
- FSdifRegisterEvtHandler(mmcsd_instance, FSDIF_EVT_DATA_DONE, fsdif_data_done_callback, host);
- FSdifRegisterEvtHandler(mmcsd_instance, FSDIF_EVT_SDIO_IRQ, fsdif_sdio_irq_callback, host);
- return;
- }
- static rt_err_t fsdif_ctrl_init(struct rt_mmcsd_host *host)
- {
- fsdif_info_t *private_data = (fsdif_info_t *)host->private_data;
- FSdif *mmcsd_instance = RT_NULL;
- const FSdifConfig *default_mmcsd_config = RT_NULL;
- FSdifConfig mmcsd_config;
- FSdifIDmaDesc *rw_desc = RT_NULL;
- mmcsd_instance = rt_malloc(sizeof(FSdif));
- if (!mmcsd_instance)
- {
- LOG_E("Malloc mmcsd_instance failed");
- return RT_ERROR;
- }
- rw_desc = rt_malloc_align(SDIF_MAX_BLK_TRANS * sizeof(FSdifIDmaDesc), SDIF_MALLOC_CAP_DESC);
- if (!rw_desc)
- {
- LOG_E("Malloc rw_desc failed");
- return RT_ERROR;
- }
- rt_memset(mmcsd_instance, 0, sizeof(FSdif));
- rt_memset(rw_desc, 0, SDIF_MAX_BLK_TRANS * sizeof(FSdifIDmaDesc));
- /* SDIF controller init */
- RT_ASSERT((default_mmcsd_config = FSdifLookupConfig(SDIF_CONTROLLER_ID)) != RT_NULL);
- mmcsd_config = *default_mmcsd_config; /* load default config */
- #ifdef RT_USING_SMART
- mmcsd_config.base_addr = (uintptr)rt_ioremap((void *)mmcsd_config.base_addr, 0x1000);
- #endif
- mmcsd_config.trans_mode = FSDIF_IDMA_TRANS_MODE;
- #ifdef USING_EMMC
- mmcsd_config.non_removable = TRUE; /* eMMC is unremovable on board */
- #else
- mmcsd_config.non_removable = FALSE; /* TF card is removable on board */
- #endif
- mmcsd_config.get_tuning = FSdifGetTimingSetting;
- if (FSDIF_SUCCESS != FSdifCfgInitialize(mmcsd_instance, &mmcsd_config))
- {
- LOG_E("SDIF controller init failed.");
- return RT_ERROR;
- }
- if (FSDIF_SUCCESS != FSdifSetIDMAList(mmcsd_instance, rw_desc, (uintptr)rw_desc + PV_OFFSET, SDIF_MAX_BLK_TRANS))
- {
- LOG_E("SDIF controller setup DMA failed.");
- return RT_ERROR;
- }
- mmcsd_instance->desc_list.first_desc_dma = (uintptr)rw_desc + PV_OFFSET;
- FSdifRegisterRelaxHandler(mmcsd_instance, fsdif_host_relax); /* SDIF delay for a while */
- private_data->mmcsd_instance = mmcsd_instance;
- private_data->rw_desc = rw_desc;
- fsdif_ctrl_setup_interrupt(host);
- return RT_EOK;
- }
- rt_inline rt_err_t fsdif_dma_transfer(struct rt_mmcsd_host *host, struct rt_mmcsd_req *req, FSdifCmdData *req_cmd)
- {
- FError ret = FT_SUCCESS;
- rt_uint32_t event = 0U;
- rt_uint32_t wait_event = 0U;
- fsdif_info_t *private_data = (fsdif_info_t *)host->private_data;
- FSdif *mmcsd_instance = private_data->mmcsd_instance;
- if (req_cmd->data_p == RT_NULL)
- {
- wait_event = SDIF_EVENT_COMMAND_DONE;
- }
- else
- {
- wait_event = SDIF_EVENT_COMMAND_DONE | SDIF_EVENT_DATA_DONE;
- }
- ret = FSdifDMATransfer(mmcsd_instance, req_cmd);
- if (ret != FT_SUCCESS)
- {
- LOG_E("FSdifDMATransfer() fail.");
- return -RT_ERROR;
- }
- while (TRUE)
- {
- if (rt_event_recv(&private_data->event,
- (wait_event),
- (RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR | RT_WAITING_NO),
- rt_tick_from_millisecond(5000),
- &event) == RT_EOK)
- {
- (void)FSdifGetCmdResponse(mmcsd_instance, req_cmd);
- break;
- }
- else
- {
- if (rt_event_recv(&private_data->event,
- (SDIF_EVENT_ERROR_OCCUR),
- (RT_EVENT_FLAG_CLEAR | RT_WAITING_NO),
- rt_tick_from_millisecond(5000),
- &event) == RT_EOK)
- {
- LOG_E("Sdif DMA transfer endup with error !!!");
- return -RT_EIO;
- }
- }
- fsdif_host_relax();
- }
- if (resp_type(req->cmd) & RESP_MASK)
- {
- if (resp_type(req->cmd) == RESP_R2)
- {
- req->cmd->resp[3] = req_cmd->response[0];
- req->cmd->resp[2] = req_cmd->response[1];
- req->cmd->resp[1] = req_cmd->response[2];
- req->cmd->resp[0] = req_cmd->response[3];
- }
- else
- {
- req->cmd->resp[0] = req_cmd->response[0];
- }
- }
- return RT_EOK;
- }
- static void fsdif_request_send(struct rt_mmcsd_host *host, struct rt_mmcsd_req *req)
- {
- /* ignore some SDIF-ONIY cmd */
- if ((req->cmd->cmd_code == SD_IO_SEND_OP_COND) || (req->cmd->cmd_code == SD_IO_RW_DIRECT))
- {
- req->cmd->err = -1;
- goto skip_cmd;
- }
- fsdif_info_t *private_data = (fsdif_info_t *)host->private_data;
- FSdifCmdData req_cmd;
- FSdifCmdData req_stop;
- FSdifData req_data;
- rt_uint32_t *data_buf_aligned = RT_NULL;
- rt_uint32_t cmd_flag = resp_type(req->cmd);
- rt_memset(&req_cmd, 0, sizeof(FSdifCmdData));
- rt_memset(&req_stop, 0, sizeof(FSdifCmdData));
- rt_memset(&req_data, 0, sizeof(FSdifData));
- /* convert req into ft driver type */
- if (req->cmd->cmd_code == GO_IDLE_STATE)
- {
- req_cmd.flag |= FSDIF_CMD_FLAG_NEED_INIT;
- }
- if (req->cmd->cmd_code == GO_INACTIVE_STATE)
- {
- req_cmd.flag |= FSDIF_CMD_FLAG_NEED_AUTO_STOP;
- }
- if ((cmd_flag != RESP_R3) && (cmd_flag != RESP_R4) && (cmd_flag != RESP_NONE))
- {
- req_cmd.flag |= FSDIF_CMD_FLAG_NEED_RESP_CRC;
- }
- if (cmd_flag & RESP_MASK)
- {
- req_cmd.flag |= FSDIF_CMD_FLAG_EXP_RESP;
- if (cmd_flag == RESP_R2)
- {
- req_cmd.flag |= FSDIF_CMD_FLAG_EXP_LONG_RESP;
- }
- }
- if (req->data) /* transfer command with data */
- {
- data_buf_aligned = rt_malloc_align(SDIF_DMA_BLK_SZ * req->data->blks, SDIF_DMA_ALIGN);
- if (!data_buf_aligned)
- {
- LOG_E("Malloc data_buf_aligned failed");
- return;
- }
- rt_memset(data_buf_aligned, 0, SDIF_DMA_BLK_SZ * req->data->blks);
- req_cmd.flag |= FSDIF_CMD_FLAG_EXP_DATA;
- req_data.blksz = req->data->blksize;
- req_data.blkcnt = req->data->blks + CONFIG_SDCARD_OFFSET;
- req_data.datalen = req->data->blksize * req->data->blks;
- if ((uintptr)req->data->buf % SDIF_DMA_ALIGN) /* data buffer should be 512-aligned */
- {
- if (req->data->flags & DATA_DIR_WRITE)
- {
- rt_memcpy((void *)data_buf_aligned, (void *)req->data->buf, req_data.datalen);
- }
- req_data.buf = (rt_uint8_t *)data_buf_aligned;
- req_data.buf_dma = (uintptr)data_buf_aligned + PV_OFFSET;
- }
- else
- {
- req_data.buf = (rt_uint8_t *)req->data->buf;
- req_data.buf_dma = (uintptr)req->data->buf + PV_OFFSET;
- }
- req_cmd.data_p = &req_data;
- if (req->data->flags & DATA_DIR_READ)
- {
- req_cmd.flag |= FSDIF_CMD_FLAG_READ_DATA;
- }
- else if (req->data->flags & DATA_DIR_WRITE)
- {
- req_cmd.flag |= FSDIF_CMD_FLAG_WRITE_DATA;
- }
- }
- req_cmd.cmdidx = req->cmd->cmd_code;
- req_cmd.cmdarg = req->cmd->arg;
- /* do cmd and data transfer */
- req->cmd->err = (private_data->transfer)(host, req, &req_cmd);
- if (req->cmd->err != RT_EOK)
- {
- LOG_E("transfer failed in %s", __func__);
- }
- if (req->data && (req->data->flags & DATA_DIR_READ))
- {
- if ((uintptr)req->data->buf % SDIF_DMA_ALIGN) /* data buffer should be 512-aligned */
- {
- rt_memcpy((void *)req->data->buf, (void *)data_buf_aligned, req_data.datalen);
- }
- }
- /* stop cmd */
- if (req->stop)
- {
- req_stop.cmdidx = req->stop->cmd_code;
- req_stop.cmdarg = req->stop->arg;
- if (req->stop->flags & RESP_MASK)
- {
- req_stop.flag |= FSDIF_CMD_FLAG_READ_DATA;
- if (resp_type(req->stop) == RESP_R2)
- {
- req_stop.flag |= FSDIF_CMD_FLAG_EXP_LONG_RESP;
- }
- }
- req->stop->err = (private_data->transfer)(host, req, &req_stop);
- }
- if (data_buf_aligned)
- {
- rt_free_align(data_buf_aligned);
- }
- skip_cmd:
- mmcsd_req_complete(host);
- }
- static void fsdif_set_iocfg(struct rt_mmcsd_host *host, struct rt_mmcsd_io_cfg *io_cfg)
- {
- FError ret = FT_SUCCESS;
- fsdif_info_t *private_data = (fsdif_info_t *)host->private_data;
- FSdif *mmcsd_instance = private_data->mmcsd_instance;
- uintptr base_addr = mmcsd_instance->config.base_addr;
- if (0 != io_cfg->clock)
- {
- ret = FSdifSetClkFreq(mmcsd_instance, io_cfg->clock);
- if (ret != FT_SUCCESS)
- {
- LOG_E("FSdifSetClkFreq fail.");
- }
- }
- switch (io_cfg->bus_width)
- {
- case MMCSD_BUS_WIDTH_1:
- FSdifSetBusWidth(base_addr, 1U);
- break;
- case MMCSD_BUS_WIDTH_4:
- FSdifSetBusWidth(base_addr, 4U);
- break;
- case MMCSD_BUS_WIDTH_8:
- FSdifSetBusWidth(base_addr, 8U);
- break;
- default:
- LOG_E("Invalid bus width %d", io_cfg->bus_width);
- break;
- }
- }
- static const struct rt_mmcsd_host_ops ops =
- {
- fsdif_request_send,
- fsdif_set_iocfg,
- RT_NULL,
- RT_NULL,
- RT_NULL,
- };
- void fsdif_change(void)
- {
- mmcsd_change(mmc_host[SDIF_CONTROLLER_ID]);
- }
- int rt_hw_fsdif_init(void)
- {
- /* variables init */
- struct rt_mmcsd_host *host = RT_NULL;
- fsdif_info_t *private_data = RT_NULL;
- rt_err_t result = RT_EOK;
- host = mmcsd_alloc_host();
- if (!host)
- {
- LOG_E("Alloc host failed");
- goto err_free;
- }
- private_data = rt_malloc(sizeof(fsdif_info_t));
- if (!private_data)
- {
- LOG_E("Malloc private_data failed");
- goto err_free;
- }
- rt_memset(private_data, 0, sizeof(fsdif_info_t));
- private_data->transfer = fsdif_dma_transfer;
- result = rt_event_init(&private_data->event, "sdif_event", RT_IPC_FLAG_FIFO);
- RT_ASSERT(RT_EOK == result);
- /* host data init */
- host->ops = &ops;
- host->freq_min = 400000;
- host->freq_max = 50000000;
- host->valid_ocr = SDIF_VALID_OCR; /* the voltage range supported is 1.65v-3.6v */
- host->flags = MMCSD_MUTBLKWRITE | MMCSD_BUSWIDTH_4;
- host->max_seg_size = SDIF_DMA_BLK_SZ; /* used in block_dev.c */
- host->max_dma_segs = SDIF_MAX_BLK_TRANS; /* physical segment number */
- host->max_blk_size = SDIF_DMA_BLK_SZ; /* all the 4 para limits size of one blk tran */
- host->max_blk_count = SDIF_MAX_BLK_TRANS;
- host->private_data = private_data;
- mmc_host[SDIF_CONTROLLER_ID] = host;
- if (RT_EOK != fsdif_ctrl_init(host))
- {
- LOG_E("fsdif_ctrl_init() failed");
- goto err_free;
- }
- return RT_EOK;
- err_free:
- if (host)
- {
- rt_free(host);
- }
- if (private_data->mmcsd_instance)
- {
- rt_free(private_data->mmcsd_instance);
- }
- if (private_data->rw_desc)
- {
- rt_free_align(private_data->rw_desc);
- }
- if (private_data)
- {
- rt_free(private_data);
- }
- return -RT_EOK;
- }
- INIT_DEVICE_EXPORT(rt_hw_fsdif_init);
- #endif // #ifdef RT_USING_SDIO
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