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55 lines
1.6 KiB
55 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Marvell 88E6xxx System Management Interface (SMI) support |
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* |
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* Copyright (c) 2008 Marvell Semiconductor |
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* |
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* Copyright (c) 2019 Vivien Didelot <[email protected]> |
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*/ |
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#ifndef _MV88E6XXX_SMI_H |
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#define _MV88E6XXX_SMI_H |
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#include "chip.h" |
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/* Offset 0x00: SMI Command Register */ |
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#define MV88E6XXX_SMI_CMD 0x00 |
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#define MV88E6XXX_SMI_CMD_BUSY 0x8000 |
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#define MV88E6XXX_SMI_CMD_MODE_MASK 0x1000 |
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#define MV88E6XXX_SMI_CMD_MODE_45 0x0000 |
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#define MV88E6XXX_SMI_CMD_MODE_22 0x1000 |
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#define MV88E6XXX_SMI_CMD_OP_MASK 0x0c00 |
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#define MV88E6XXX_SMI_CMD_OP_22_WRITE 0x0400 |
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#define MV88E6XXX_SMI_CMD_OP_22_READ 0x0800 |
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#define MV88E6XXX_SMI_CMD_OP_45_WRITE_ADDR 0x0000 |
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#define MV88E6XXX_SMI_CMD_OP_45_WRITE_DATA 0x0400 |
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#define MV88E6XXX_SMI_CMD_OP_45_READ_DATA 0x0800 |
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#define MV88E6XXX_SMI_CMD_OP_45_READ_DATA_INC 0x0c00 |
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#define MV88E6XXX_SMI_CMD_DEV_ADDR_MASK 0x003e |
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#define MV88E6XXX_SMI_CMD_REG_ADDR_MASK 0x001f |
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/* Offset 0x01: SMI Data Register */ |
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#define MV88E6XXX_SMI_DATA 0x01 |
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int mv88e6xxx_smi_init(struct mv88e6xxx_chip *chip, |
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struct mii_bus *bus, int sw_addr); |
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static inline int mv88e6xxx_smi_read(struct mv88e6xxx_chip *chip, |
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int dev, int reg, u16 *data) |
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{ |
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if (chip->smi_ops && chip->smi_ops->read) |
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return chip->smi_ops->read(chip, dev, reg, data); |
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return -EOPNOTSUPP; |
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} |
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static inline int mv88e6xxx_smi_write(struct mv88e6xxx_chip *chip, |
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int dev, int reg, u16 data) |
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{ |
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if (chip->smi_ops && chip->smi_ops->write) |
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return chip->smi_ops->write(chip, dev, reg, data); |
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return -EOPNOTSUPP; |
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} |
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#endif /* _MV88E6XXX_SMI_H */
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