diff options
Diffstat (limited to 'drivers/net/wireless/silabs/wfx/hwio.h')
| -rw-r--r-- | drivers/net/wireless/silabs/wfx/hwio.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/net/wireless/silabs/wfx/hwio.h b/drivers/net/wireless/silabs/wfx/hwio.h new file mode 100644 index 000000000000..c6e7b065b7ff --- /dev/null +++ b/drivers/net/wireless/silabs/wfx/hwio.h @@ -0,0 +1,78 @@ +/* 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 |