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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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4e69fc2275
Add HSI char device driver to the kernel. Signed-off-by: Andras Domokos <andras.domokos@nokia.com> Signed-off-by: Carlos Chinea <carlos.chinea@nokia.com>
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/*
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* Part of the HSI character device driver.
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*
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* Copyright (C) 2010 Nokia Corporation. All rights reserved.
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*
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* Contact: Andras Domokos <andras.domokos at nokia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef __HSI_CHAR_H
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#define __HSI_CHAR_H
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#define HSI_CHAR_MAGIC 'k'
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#define HSC_IOW(num, dtype) _IOW(HSI_CHAR_MAGIC, num, dtype)
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#define HSC_IOR(num, dtype) _IOR(HSI_CHAR_MAGIC, num, dtype)
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#define HSC_IOWR(num, dtype) _IOWR(HSI_CHAR_MAGIC, num, dtype)
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#define HSC_IO(num) _IO(HSI_CHAR_MAGIC, num)
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#define HSC_RESET HSC_IO(16)
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#define HSC_SET_PM HSC_IO(17)
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#define HSC_SEND_BREAK HSC_IO(18)
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#define HSC_SET_RX HSC_IOW(19, struct hsc_rx_config)
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#define HSC_GET_RX HSC_IOW(20, struct hsc_rx_config)
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#define HSC_SET_TX HSC_IOW(21, struct hsc_tx_config)
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#define HSC_GET_TX HSC_IOW(22, struct hsc_tx_config)
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#define HSC_PM_DISABLE 0
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#define HSC_PM_ENABLE 1
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#define HSC_MODE_STREAM 1
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#define HSC_MODE_FRAME 2
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#define HSC_FLOW_SYNC 0
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#define HSC_ARB_RR 0
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#define HSC_ARB_PRIO 1
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struct hsc_rx_config {
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uint32_t mode;
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uint32_t flow;
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uint32_t channels;
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};
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struct hsc_tx_config {
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uint32_t mode;
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uint32_t channels;
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uint32_t speed;
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uint32_t arb_mode;
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};
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#endif /* __HSI_CHAR_H */
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