62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __MHL_MSC_H__
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#define __MHL_MSC_H__
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#include <linux/mhl_8334.h>
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#define MAX_RCP_KEYS_SUPPORTED 256
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#define MSC_NORMAL_SEND 0
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#define MSC_PRIORITY_SEND 1
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#define TMDS_ENABLE 1
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#define TMDS_DISABLE 0
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/******************************************************************/
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/* the below APIs are implemented by the MSC functionality */
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int mhl_msc_clear(struct mhl_tx_ctrl *mhl_ctrl);
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int mhl_msc_command_done(struct mhl_tx_ctrl *mhl_ctrl,
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struct msc_command_struct *req);
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int mhl_msc_send_set_int(struct mhl_tx_ctrl *mhl_ctrl,
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u8 offset, u8 mask, u8 priority);
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int mhl_msc_send_write_stat(struct mhl_tx_ctrl *mhl_ctrl,
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u8 offset, u8 value);
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int mhl_msc_send_msc_msg(struct mhl_tx_ctrl *mhl_ctrl,
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u8 sub_cmd, u8 cmd_data);
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int mhl_msc_recv_set_int(struct mhl_tx_ctrl *mhl_ctrl,
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u8 offset, u8 set_int);
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int mhl_msc_recv_write_stat(struct mhl_tx_ctrl *mhl_ctrl,
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u8 offset, u8 value);
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int mhl_msc_recv_msc_msg(struct mhl_tx_ctrl *mhl_ctrl,
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u8 sub_cmd, u8 cmd_data);
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void mhl_msc_send_work(struct work_struct *work);
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/******************************************************************/
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/* Tx should implement these APIs */
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int mhl_send_msc_command(struct mhl_tx_ctrl *mhl_ctrl,
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struct msc_command_struct *req);
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void mhl_read_scratchpad(struct mhl_tx_ctrl *mhl_ctrl);
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void mhl_drive_hpd(struct mhl_tx_ctrl *mhl_ctrl, uint8_t to_state);
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void mhl_tmds_ctrl(struct mhl_tx_ctrl *ctrl, uint8_t on);
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/******************************************************************/
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/* MHL driver registers ctrl with MSC */
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void mhl_register_msc(struct mhl_tx_ctrl *ctrl);
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#endif /* __MHL_MSC_H__ */
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