657e8556b7
Replace pm resume and suspend inside interrupt with clk enable and disable. Add clk ref count to not have the clk disabled when in use. CRs-Fixed: 2079739 Change-Id: I8f7f6e8e3c7cf8fd176a708ba5171a98546db929 Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
107 lines
2.5 KiB
C
Executable file
107 lines
2.5 KiB
C
Executable file
/* Copyright (c) 2015-2017, 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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#ifndef _SWR_WCD_CTRL_H
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#define _SWR_WCD_CTRL_H
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#include <linux/module.h>
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#include <linux/soundwire/swr-wcd.h>
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#define SWR_MAX_ROW 0 /* Rows = 48 */
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#define SWR_MAX_COL 7 /* Cols = 16 */
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#define SWR_MIN_COL 0 /* Cols = 2 */
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#define SWR_WCD_NAME "swr-wcd"
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#define SWR_MSTR_PORT_LEN 8 /* Number of master ports */
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#define SWRM_VERSION_1_0 0x01010000
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#define SWRM_VERSION_1_2 0x01030000
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#define SWRM_VERSION_1_3 0x01040000
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enum {
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SWR_MSTR_PAUSE,
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SWR_MSTR_RESUME,
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SWR_MSTR_UP,
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SWR_MSTR_DOWN,
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};
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enum {
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SWR_IRQ_FREE,
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SWR_IRQ_REGISTER,
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};
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enum {
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SWR_DAC_PORT,
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SWR_COMP_PORT,
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SWR_BOOST_PORT,
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SWR_VISENSE_PORT,
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};
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struct usecase {
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u8 num_port;
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u8 num_ch;
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u32 chrate;
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};
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struct port_params {
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u8 si;
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u8 off1;
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u8 off2;
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};
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struct swrm_mports {
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struct list_head list;
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u8 id;
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};
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struct swr_ctrl_platform_data {
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void *handle; /* holds priv data */
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int (*read)(void *handle, int reg);
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int (*write)(void *handle, int reg, int val);
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int (*bulk_write)(void *handle, u32 *reg, u32 *val, size_t len);
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int (*clk)(void *handle, bool enable);
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int (*reg_irq)(void *handle, irqreturn_t(*irq_handler)(int irq,
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void *data), void *swr_handle, int type);
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};
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struct swr_mstr_ctrl {
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struct swr_master master;
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struct device *dev;
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struct resource *supplies;
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struct clk *mclk;
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int clk_ref_count;
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struct completion reset;
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struct completion broadcast;
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struct mutex mlock;
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struct mutex reslock;
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u8 rcmd_id;
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u8 wcmd_id;
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void *handle; /* SWR Master handle from client for read and writes */
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int (*read)(void *handle, int reg);
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int (*write)(void *handle, int reg, int val);
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int (*bulk_write)(void *handle, u32 *reg, u32 *val, size_t len);
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int (*clk)(void *handle, bool enable);
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int (*reg_irq)(void *handle, irqreturn_t(*irq_handler)(int irq,
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void *data), void *swr_handle, int type);
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int irq;
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int version;
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int num_enum_slaves;
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int slave_status;
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struct swr_mstr_port *mstr_port;
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struct list_head mport_list;
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int state;
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struct platform_device *pdev;
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int num_rx_chs;
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u8 num_cfg_devs;
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};
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#endif /* _SWR_WCD_CTRL_H */
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