summaryrefslogtreecommitdiff
path: root/drivers/staging/wfx/hwio.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/wfx/hwio.h')
-rw-r--r--drivers/staging/wfx/hwio.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/staging/wfx/hwio.h b/drivers/staging/wfx/hwio.h
new file mode 100644
index 000000000000..b2c1a66de963
--- /dev/null
+++ b/drivers/staging/wfx/hwio.h
@@ -0,0 +1,80 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Low-level API.
+ *
+ * Copyright (c) 2017-2018, Silicon Laboratories, Inc.
+ * Copyright (c) 2010, ST-Ericsson
+ */
+#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
+#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
+/* Bytes ordering (only writable in SPI): */
+#define CFG_WORD_MODE_MASK 0x00000300
+/*
+ * B1,B0,B3,B2 (In SPI, register address and
+ * CONFIG data always use this mode)
+ */
+#define CFG_WORD_MODE0 0x00000000
+#define CFG_WORD_MODE1 0x00000100 // B3,B2,B1,B0
+#define CFG_WORD_MODE2 0x00000200 // B0,B1,B2,B3 (SDIO)
+#define CFG_DIRECT_ACCESS_MODE 0x00000400 // Direct or queue access mode
+#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 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 */