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| author | Jérôme Pouiller <jerome.pouiller@silabs.com> | 2019-09-19 17:25:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-04 11:43:39 +0300 |
| commit | a794e8b6fafe0dc82b2a2af32e85a859ad68a3a1 (patch) | |
| tree | e8b9a90f13105379fcca2b634fbe7613a007ad71 /drivers/staging/wfx/hwio.h | |
| parent | 0096214a59a72b3c3c943e27bd03307324d3ce0f (diff) | |
| download | linux-a794e8b6fafe0dc82b2a2af32e85a859ad68a3a1.tar.xz | |
staging: wfx: add I/O API
hwio.c provides an abstraction to access different types of register of
the chip.
Note that only data register (aka FRAME_OUT) and control register are
used normal communication. Other registers are only used during chip
start up.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20190919142527.31797-4-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wfx/hwio.h')
| -rw-r--r-- | drivers/staging/wfx/hwio.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/staging/wfx/hwio.h b/drivers/staging/wfx/hwio.h index c490014c1df8..906524f71fd1 100644 --- a/drivers/staging/wfx/hwio.h +++ b/drivers/staging/wfx/hwio.h @@ -8,6 +8,25 @@ #ifndef WFX_HWIO_H #define WFX_HWIO_H +#include <linux/types.h> + +struct wfx_dev; + +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 sram_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len); +int sram_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len); + +int ahb_buf_read(struct wfx_dev *wdev, u32 addr, void *buf, size_t len); +int ahb_buf_write(struct wfx_dev *wdev, u32 addr, const void *buf, size_t len); + +int sram_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val); +int sram_reg_write(struct wfx_dev *wdev, u32 addr, u32 val); + +int ahb_reg_read(struct wfx_dev *wdev, u32 addr, u32 *val); +int 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 @@ -36,13 +55,21 @@ #define CFG_DEVICE_ID_MAJOR 0x07000000 #define CFG_DEVICE_ID_RESERVED 0x78000000 #define CFG_DEVICE_ID_TYPE 0x80000000 +int config_reg_read(struct wfx_dev *wdev, u32 *val); +int config_reg_write(struct wfx_dev *wdev, u32 val); +int 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 control_reg_read(struct wfx_dev *wdev, u32 *val); +int control_reg_write(struct wfx_dev *wdev, u32 val); +int 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 igpr_reg_read(struct wfx_dev *wdev, int index, u32 *val); +int igpr_reg_write(struct wfx_dev *wdev, int index, u32 val); #endif /* WFX_HWIO_H */ |