| /* |
| * Copyright (c) 2011, 2012, Qualcomm Atheros Communications Inc. |
| * Copyright (c) 2014, I2SE GmbH |
| * |
| * Permission to use, copy, modify, and/or distribute this software |
| * for any purpose with or without fee is hereby granted, provided |
| * that the above copyright notice and this permission notice appear |
| * in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL |
| * THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR |
| * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM |
| * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
| * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| * |
| */ |
| |
| /* Qualcomm Atheros SPI register definition. |
| * |
| * This module is designed to define the Qualcomm Atheros SPI |
| * register placeholders. |
| */ |
| |
| #ifndef _QCA_7K_H |
| #define _QCA_7K_H |
| |
| #include <linux/types.h> |
| |
| #include "qca_spi.h" |
| |
| #define QCA7K_SPI_READ (1 << 15) |
| #define QCA7K_SPI_WRITE (0 << 15) |
| #define QCA7K_SPI_INTERNAL (1 << 14) |
| #define QCA7K_SPI_EXTERNAL (0 << 14) |
| |
| #define QCASPI_CMD_LEN 2 |
| #define QCASPI_HW_PKT_LEN 4 |
| #define QCASPI_HW_BUF_LEN 0xC5B |
| |
| /* SPI registers; */ |
| #define SPI_REG_BFR_SIZE 0x0100 |
| #define SPI_REG_WRBUF_SPC_AVA 0x0200 |
| #define SPI_REG_RDBUF_BYTE_AVA 0x0300 |
| #define SPI_REG_SPI_CONFIG 0x0400 |
| #define SPI_REG_SPI_STATUS 0x0500 |
| #define SPI_REG_INTR_CAUSE 0x0C00 |
| #define SPI_REG_INTR_ENABLE 0x0D00 |
| #define SPI_REG_RDBUF_WATERMARK 0x1200 |
| #define SPI_REG_WRBUF_WATERMARK 0x1300 |
| #define SPI_REG_SIGNATURE 0x1A00 |
| #define SPI_REG_ACTION_CTRL 0x1B00 |
| |
| /* SPI_CONFIG register definition; */ |
| #define QCASPI_SLAVE_RESET_BIT BIT(6) |
| |
| /* INTR_CAUSE/ENABLE register definition. */ |
| #define SPI_INT_WRBUF_BELOW_WM BIT(10) |
| #define SPI_INT_CPU_ON BIT(6) |
| #define SPI_INT_ADDR_ERR BIT(3) |
| #define SPI_INT_WRBUF_ERR BIT(2) |
| #define SPI_INT_RDBUF_ERR BIT(1) |
| #define SPI_INT_PKT_AVLBL BIT(0) |
| |
| void qcaspi_spi_error(struct qcaspi *qca); |
| int qcaspi_read_register(struct qcaspi *qca, u16 reg, u16 *result); |
| int qcaspi_write_register(struct qcaspi *qca, u16 reg, u16 value, int retry); |
| |
| #endif /* _QCA_7K_H */ |
