mirror of
https://github.com/physwizz/a155-U-u1.git
synced 2024-11-19 13:27:49 +00:00
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2017 MediaTek Inc.
|
|
*/
|
|
|
|
#define MUSB_HSDMA_BASE 0x200
|
|
#define MUSB_HSDMA_INTR (MUSB_HSDMA_BASE + 0)
|
|
#define MUSB_HSDMA_CONTROL 0x4
|
|
#define MUSB_HSDMA_ADDRESS 0x8
|
|
#define MUSB_HSDMA_COUNT 0xc
|
|
|
|
#define MUSB_HSDMA_CHANNEL_OFFSET(_bchannel, _offset) \
|
|
(MUSB_HSDMA_BASE + (_bchannel << 4) + _offset)
|
|
|
|
#define musb_read_hsdma_addr(mbase, bchannel) \
|
|
musb_readl(mbase, \
|
|
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDRESS))
|
|
|
|
#define musb_write_hsdma_addr(mbase, bchannel, addr) \
|
|
musb_writel(mbase, \
|
|
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDRESS), \
|
|
addr)
|
|
|
|
#define musb_read_hsdma_count(mbase, bchannel) \
|
|
musb_readl(mbase, \
|
|
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT))
|
|
|
|
#define musb_write_hsdma_count(mbase, bchannel, len) \
|
|
musb_writel(mbase, \
|
|
MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT), \
|
|
len)
|
|
/* control register (16-bit): */
|
|
#define MUSB_HSDMA_ENABLE_SHIFT 0
|
|
#define MUSB_HSDMA_TRANSMIT_SHIFT 1
|
|
#define MUSB_HSDMA_MODE1_SHIFT 2
|
|
#define MUSB_HSDMA_IRQENABLE_SHIFT 3
|
|
#define MUSB_HSDMA_ENDPOINT_SHIFT 4
|
|
#define MUSB_HSDMA_BUSERROR_SHIFT 8
|
|
#define MUSB_HSDMA_BURSTMODE_SHIFT 9
|
|
#define MUSB_HSDMA_BURSTMODE (3 << MUSB_HSDMA_BURSTMODE_SHIFT)
|
|
#define MUSB_HSDMA_BURSTMODE_UNSPEC 0
|
|
#define MUSB_HSDMA_BURSTMODE_INCR4 1
|
|
#define MUSB_HSDMA_BURSTMODE_INCR8 2
|
|
#define MUSB_HSDMA_BURSTMODE_INCR16 3
|
|
|
|
#define MUSB_HSDMA_CHANNELS 8
|
|
|
|
struct musb_dma_controller;
|
|
|
|
struct musb_dma_channel {
|
|
struct dma_channel channel;
|
|
struct musb_dma_controller *controller;
|
|
dma_addr_t start_addr;
|
|
u32 len;
|
|
u16 max_packet_sz;
|
|
u8 idx;
|
|
u8 epnum;
|
|
u8 transmit;
|
|
};
|
|
|
|
struct musb_dma_controller {
|
|
struct dma_controller controller;
|
|
struct musb_dma_channel channel[MUSB_HSDMA_CHANNELS];
|
|
void *private_data;
|
|
void __iomem *base;
|
|
u8 channel_count;
|
|
u8 used_channels;
|
|
u8 irq;
|
|
};
|