| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Low-level I/O functions. |
| * |
| * Copyright (c) 2017-2020, Silicon Laboratories, Inc. |
| * Copyright (c) 2010, ST-Ericsson |
| */ |
| #ifndef WFX_HWIO_H |
| #define WFX_HWIO_H |
| |
| #include <linux/types.h> |
| |
| struct wfx_dev; |
| |
| /* Caution: in the functions below, 'buf' will used with a DMA. So, it must be kmalloc'd (do not use |
| * stack allocated buffers). In doubt, enable CONFIG_DEBUG_SG to detect badly located buffer. |
| */ |
| int wfx_data_read(struct wfx_dev *wdev, void *buf, size_t buf_len); |
| int wfx_data_write(struct wfx_dev *wdev, const void *buf, size_t buf_len); |
| |
| int wfx_sram_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len); |
| int wfx_sram_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len); |
| |
| int wfx_ahb_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len); |
| int wfx_ahb_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len); |
| |
| int wfx_sram_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val); |
| int wfx_sram_reg_write(struct wfx_dev *wdev, u32 addr, u32 val); |
| |
| int wfx_ahb_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val); |
| int wfx_ahb_reg_write(struct wfx_dev *wdev, u32 addr, u32 val); |
| |
| #define CFG_ERR_SPI_FRAME 0x00000001 /* only with SPI */ |
| #define CFG_ERR_SDIO_BUF_MISMATCH 0x00000001 /* only with SDIO */ |
| #define CFG_ERR_BUF_UNDERRUN 0x00000002 |
| #define CFG_ERR_DATA_IN_TOO_LARGE 0x00000004 |
| #define CFG_ERR_HOST_NO_OUT_QUEUE 0x00000008 |
| #define CFG_ERR_BUF_OVERRUN 0x00000010 |
| #define CFG_ERR_DATA_OUT_TOO_LARGE 0x00000020 |
| #define CFG_ERR_HOST_NO_IN_QUEUE 0x00000040 |
| #define CFG_ERR_HOST_CRC_MISS 0x00000080 /* only with SDIO */ |
| #define CFG_SPI_IGNORE_CS 0x00000080 /* only with SPI */ |
| #define CFG_BYTE_ORDER_MASK 0x00000300 /* only writable with SPI */ |
| #define CFG_BYTE_ORDER_BADC 0x00000000 |
| #define CFG_BYTE_ORDER_DCBA 0x00000100 |
| #define CFG_BYTE_ORDER_ABCD 0x00000200 /* SDIO always use this value */ |
| #define CFG_DIRECT_ACCESS_MODE 0x00000400 |
| #define CFG_PREFETCH_AHB 0x00000800 |
| #define CFG_DISABLE_CPU_CLK 0x00001000 |
| #define CFG_PREFETCH_SRAM 0x00002000 |
| #define CFG_CPU_RESET 0x00004000 |
| #define CFG_SDIO_DISABLE_IRQ 0x00008000 /* only with SDIO */ |
| #define CFG_IRQ_ENABLE_DATA 0x00010000 |
| #define CFG_IRQ_ENABLE_WRDY 0x00020000 |
| #define CFG_CLK_RISE_EDGE 0x00040000 |
| #define CFG_SDIO_DISABLE_CRC_CHK 0x00080000 /* only with SDIO */ |
| #define CFG_RESERVED 0x00F00000 |
| #define CFG_DEVICE_ID_MAJOR 0x07000000 |
| #define CFG_DEVICE_ID_RESERVED 0x78000000 |
| #define CFG_DEVICE_ID_TYPE 0x80000000 |
| int wfx_config_reg_read(struct wfx_dev *wdev, u32 *val); |
| int wfx_config_reg_write(struct wfx_dev *wdev, u32 val); |
| int wfx_config_reg_write_bits(struct wfx_dev *wdev, u32 mask, u32 val); |
| |
| #define CTRL_NEXT_LEN_MASK 0x00000FFF |
| #define CTRL_WLAN_WAKEUP 0x00001000 |
| #define CTRL_WLAN_READY 0x00002000 |
| int wfx_control_reg_read(struct wfx_dev *wdev, u32 *val); |
| int wfx_control_reg_write(struct wfx_dev *wdev, u32 val); |
| int wfx_control_reg_write_bits(struct wfx_dev *wdev, u32 mask, u32 val); |
| |
| #define IGPR_RW 0x80000000 |
| #define IGPR_INDEX 0x7F000000 |
| #define IGPR_VALUE 0x00FFFFFF |
| int wfx_igpr_reg_read(struct wfx_dev *wdev, int index, u32 *val); |
| int wfx_igpr_reg_write(struct wfx_dev *wdev, int index, u32 val); |
| |
| #endif |
