| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* |
| 3 | * linux/drivers/mmc/s3cmci.h - Samsung S3C MCI driver |
| 4 | * |
| 5 | * Copyright (C) 2004-2006 Thomas Kleffel, All Rights Reserved. |
| 6 | */ |
| 7 | |
| 8 | enum s3cmci_waitfor { |
| 9 | COMPLETION_NONE, |
| 10 | COMPLETION_FINALIZE, |
| 11 | COMPLETION_CMDSENT, |
| 12 | COMPLETION_RSPFIN, |
| 13 | COMPLETION_XFERFINISH, |
| 14 | COMPLETION_XFERFINISH_RSPFIN, |
| 15 | }; |
| 16 | |
| 17 | struct s3cmci_host { |
| 18 | struct platform_device *pdev; |
| 19 | struct s3c24xx_mci_pdata *pdata; |
| 20 | struct mmc_host *mmc; |
| 21 | struct resource *mem; |
| 22 | struct clk *clk; |
| 23 | void __iomem *base; |
| 24 | int irq; |
| 25 | int irq_cd; |
| 26 | struct dma_chan *dma; |
| 27 | |
| 28 | unsigned long clk_rate; |
| 29 | unsigned long clk_div; |
| 30 | unsigned long real_rate; |
| 31 | u8 prescaler; |
| 32 | |
| 33 | int is2440; |
| 34 | unsigned sdiimsk; |
| 35 | unsigned sdidata; |
| 36 | |
| 37 | bool irq_disabled; |
| 38 | bool irq_enabled; |
| 39 | bool irq_state; |
| 40 | int sdio_irqen; |
| 41 | |
| 42 | struct mmc_request *mrq; |
| 43 | int cmd_is_stop; |
| 44 | |
| 45 | spinlock_t complete_lock; |
| 46 | enum s3cmci_waitfor complete_what; |
| 47 | |
| 48 | int dma_complete; |
| 49 | |
| 50 | u32 pio_sgptr; |
| 51 | u32 pio_bytes; |
| 52 | u32 pio_count; |
| 53 | u32 *pio_ptr; |
| 54 | #define XFER_NONE 0 |
| 55 | #define XFER_READ 1 |
| 56 | #define XFER_WRITE 2 |
| 57 | u32 pio_active; |
| 58 | |
| 59 | int bus_width; |
| 60 | |
| 61 | char dbgmsg_cmd[301]; |
| 62 | char dbgmsg_dat[301]; |
| 63 | char *status; |
| 64 | |
| 65 | unsigned int ccnt, dcnt; |
| 66 | struct tasklet_struct pio_tasklet; |
| 67 | |
| 68 | #ifdef CONFIG_DEBUG_FS |
| 69 | struct dentry *debug_root; |
| 70 | #endif |
| 71 | |
| 72 | #ifdef CONFIG_ARM_S3C24XX_CPUFREQ |
| 73 | struct notifier_block freq_transition; |
| 74 | #endif |
| 75 | }; |