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