Lines Matching +full:fifo +full:- +full:depth +full:- +full:bits

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
17 #include <linux/fault-inject.h>
60  * struct dw_mci - MMC controller state shared between all slots
64  * @fifo_reg: Pointer to MMIO registers for data FIFO
78  * @dma_64bit_address: Whether DMA supports 64-bit address mode or not.
81  * @dma_ops: Pointer to platform-specific DMA callbacks.
85  * @dms: structure of slave-dma private data.
113  * @fifo_depth: depth of FIFO.
114  * @data_addr_override: override fifo reg offset with this value.
115  * @wm_aligned: force fifo watermark equal with data length in PIO mode.
117  * @data_shift: log2 of FIFO item size.
120  * @part_buf: Simple buffer for partial fifo reads/writes.
121  * @push_data: Pointer to FIFO push function.
122  * @pull_data: Pointer to FIFO pull function.
135  * @lock is a softirq-safe spinlock protecting @queue as well as
142  * @irq_lock is an irq-safe spinlock protecting the INTMASK register
144  * enough to read-modify-write INTMASK and no other locks are grabbed when
152  * EVENT_DATA_COMPLETE is set in @pending_events, all data-related
217 	/* FIFO push and pull */
268 	 * Override fifo depth. If 0, autodetect it from the FIFOTH register,
284 /* Force 32-bit access to the FIFO */
334  * Registers to support idmac 64-bit address mode
371 /* time-out register defines */
376 /* card-type register defines */
443 /* Internal DMAC bus mode bits */
455 /* UHS-1 register defines */
462 /* All ctrl reset bits */
466 /* FIFO register access macros. These should not change the data endian-ness
478  * Some dw_mmc devices have 64-bit FIFOs, but expect them to be
479  * accessed using two 32-bit accesses. If such controller is used
480  * with a 64-bit kernel, this has to be done explicitly.
504 	readl_relaxed((dev)->regs + SDMMC_##reg)
506 	writel_relaxed((value), (dev)->regs + SDMMC_##reg)
508 /* 16-bit FIFO access macros */
510 	readw_relaxed((dev)->regs + SDMMC_##reg)
512 	writew_relaxed((value), (dev)->regs + SDMMC_##reg)
514 /* 64-bit FIFO access macros */
517 	readq_relaxed((dev)->regs + SDMMC_##reg)
519 	writeq_relaxed((value), (dev)->regs + SDMMC_##reg)
525  * the IP block with a 64bit FIFO width, so this code will never be
530 	(*(volatile u64 __force *)((dev)->regs + SDMMC_##reg))
532 	(*(volatile u64 __force *)((dev)->regs + SDMMC_##reg) = (value))
547  * struct dw_mci_slot - MMC slot state
555  * @clock: Clock rate configured by set_ios(). Protected by host->lock.
558  * @flags: Random state bits associated with the slot.
585  * dw_mci driver data - dw-mshc implementation specific driver data.