1 /* SPDX-License-Identifier: GPL-2.0 */
7  * Copyright (C) 2015-19 Renesas Electronics Corporation
8  * Copyright (C) 2016-19 Sang Engineering, Wolfram Sang
9  * Copyright (C) 2016-17 Horms Solutions, Simon Horman
70 #define TMIO_STAT_DAT0		BIT(23)	/* only known on R-Car so far */
73 #define TMIO_STAT_ALWAYS_SET_27	BIT(27) /* only known on R-Car 2+ so far */
74 #define TMIO_STAT_ILL_FUNC      BIT(29) /* only when !TMIO_MMC_HAS_IDLE_WAIT */
75 #define TMIO_STAT_SCLKDIVEN     BIT(29) /* only when TMIO_MMC_HAS_IDLE_WAIT */
100 #define TMIO_MASK_INIT_RCAR2	0x8b7f031d /* Initial value for R-Car Gen2+ */
114 	void (*start)(struct tmio_mmc_host *host, struct mmc_data *data);
115 	void (*enable)(struct tmio_mmc_host *host, bool enable);
116 	void (*request)(struct tmio_mmc_host *host,
118 	void (*release)(struct tmio_mmc_host *host);
119 	void (*abort)(struct tmio_mmc_host *host);
120 	void (*dataend)(struct tmio_mmc_host *host);
123 	void (*end)(struct tmio_mmc_host *host);	/* held host->lock */
135 	void (*set_pwr)(struct platform_device *host, int state);
165 	spinlock_t		lock;		/* protect host private data */
172 	int (*clk_enable)(struct tmio_mmc_host *host);
173 	void (*set_clock)(struct tmio_mmc_host *host, unsigned int clock);
176 	void (*clk_disable)(struct tmio_mmc_host *host);
179 	int (*write16_hook)(struct tmio_mmc_host *host, int addr);
180 	void (*reset)(struct tmio_mmc_host *host);
181 	bool (*check_retune)(struct tmio_mmc_host *host);
182 	void (*fixup_request)(struct tmio_mmc_host *host, struct mmc_request *mrq);
184 	void (*prepare_hs400_tuning)(struct tmio_mmc_host *host);
185 	void (*hs400_downgrade)(struct tmio_mmc_host *host);
186 	void (*hs400_complete)(struct tmio_mmc_host *host);
193 void tmio_mmc_host_free(struct tmio_mmc_host *host);
194 int tmio_mmc_host_probe(struct tmio_mmc_host *host);
195 void tmio_mmc_host_remove(struct tmio_mmc_host *host);
196 void tmio_mmc_do_data_irq(struct tmio_mmc_host *host);
198 void tmio_mmc_enable_mmc_irqs(struct tmio_mmc_host *host, u32 i);
199 void tmio_mmc_disable_mmc_irqs(struct tmio_mmc_host *host, u32 i);
206 	return kmap_atomic(sg_page(sg)) + sg->offset;  in tmio_mmc_kmap_atomic()
212 	kunmap_atomic(virt - sg->offset);  in tmio_mmc_kunmap_atomic()
221 static inline u16 sd_ctrl_read16(struct tmio_mmc_host *host, int addr)  in sd_ctrl_read16()  argument
223 	return ioread16(host->ctl + (addr << host->bus_shift));  in sd_ctrl_read16()
226 static inline void sd_ctrl_read16_rep(struct tmio_mmc_host *host, int addr,  in sd_ctrl_read16_rep()  argument
229 	ioread16_rep(host->ctl + (addr << host->bus_shift), buf, count);  in sd_ctrl_read16_rep()
232 static inline u32 sd_ctrl_read16_and_16_as_32(struct tmio_mmc_host *host,  in sd_ctrl_read16_and_16_as_32()  argument
235 	return ioread16(host->ctl + (addr << host->bus_shift)) |  in sd_ctrl_read16_and_16_as_32()
236 	       ioread16(host->ctl + ((addr + 2) << host->bus_shift)) << 16;  in sd_ctrl_read16_and_16_as_32()
239 static inline void sd_ctrl_read32_rep(struct tmio_mmc_host *host, int addr,  in sd_ctrl_read32_rep()  argument
242 	ioread32_rep(host->ctl + (addr << host->bus_shift), buf, count);  in sd_ctrl_read32_rep()
245 static inline void sd_ctrl_write16(struct tmio_mmc_host *host, int addr,  in sd_ctrl_write16()  argument
248 	/* If there is a hook and it returns non-zero then there  in sd_ctrl_write16()
251 	if (host->write16_hook && host->write16_hook(host, addr))  in sd_ctrl_write16()
253 	iowrite16(val, host->ctl + (addr << host->bus_shift));  in sd_ctrl_write16()
256 static inline void sd_ctrl_write16_rep(struct tmio_mmc_host *host, int addr,  in sd_ctrl_write16_rep()  argument
259 	iowrite16_rep(host->ctl + (addr << host->bus_shift), buf, count);  in sd_ctrl_write16_rep()
262 static inline void sd_ctrl_write32_as_16_and_16(struct tmio_mmc_host *host,  in sd_ctrl_write32_as_16_and_16()  argument
266 		val |= host->sdcard_irq_setbit_mask;  in sd_ctrl_write32_as_16_and_16()
268 	iowrite16(val & 0xffff, host->ctl + (addr << host->bus_shift));  in sd_ctrl_write32_as_16_and_16()
269 	iowrite16(val >> 16, host->ctl + ((addr + 2) << host->bus_shift));  in sd_ctrl_write32_as_16_and_16()
272 static inline void sd_ctrl_write32(struct tmio_mmc_host *host, int addr, u32 val)  in sd_ctrl_write32()  argument
274 	iowrite32(val, host->ctl + (addr << host->bus_shift));  in sd_ctrl_write32()
277 static inline void sd_ctrl_write32_rep(struct tmio_mmc_host *host, int addr,  in sd_ctrl_write32_rep()  argument
280 	iowrite32_rep(host->ctl + (addr << host->bus_shift), buf, count);  in sd_ctrl_write32_rep()