drivers/slimbus/slim-msm.h - kernel/msm - Git at Google

 /* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
  * only version 2 as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */

 #ifndef _SLIM_MSM_H
 #define _SLIM_MSM_H

 #include <linux/kthread.h>
 #include <mach/msm_qmi_interface.h>

 /* Per spec.max 40 bytes per received message */
 #define SLIM_RX_MSGQ_BUF_LEN	40

 #define SLIM_USR_MC_GENERIC_ACK		0x25
 #define SLIM_USR_MC_MASTER_CAPABILITY	0x0
 #define SLIM_USR_MC_REPORT_SATELLITE	0x1
 #define SLIM_USR_MC_ADDR_QUERY		0xD
 #define SLIM_USR_MC_ADDR_REPLY		0xE
 #define SLIM_USR_MC_DEFINE_CHAN		0x20
 #define SLIM_USR_MC_DEF_ACT_CHAN	0x21
 #define SLIM_USR_MC_CHAN_CTRL		0x23
 #define SLIM_USR_MC_RECONFIG_NOW	0x24
 #define SLIM_USR_MC_REQ_BW		0x28
 #define SLIM_USR_MC_CONNECT_SRC		0x2C
 #define SLIM_USR_MC_CONNECT_SINK	0x2D
 #define SLIM_USR_MC_DISCONNECT_PORT	0x2E

 #define MSM_SLIM_AUTOSUSPEND		MSEC_PER_SEC

 /*
  * Messages that can be received simultaneously:
  * Client reads, LPASS master responses, announcement messages
  * Receive upto 10 messages simultaneously.
  */
 #define MSM_SLIM_DESC_NUM		32

 /* MSM Slimbus peripheral settings */
 #define MSM_SLIM_PERF_SUMM_THRESHOLD	0x8000
 #define MSM_SLIM_NPORTS			24
 #define MSM_SLIM_NCHANS			32

 #define SLIM_MSG_ASM_FIRST_WORD(l, mt, mc, dt, ad) \
 		((l) | ((mt) << 5) | ((mc) << 8) | ((dt) << 15) | ((ad) << 16))

 #define MSM_CONCUR_MSG	8
 #define SAT_CONCUR_MSG	8
 #define DEF_WATERMARK	(8 << 1)
 #define DEF_ALIGN	0
 #define DEF_PACK	(1 << 6)
 #define ENABLE_PORT	1

 #define DEF_BLKSZ	0
 #define DEF_TRANSZ	0

 #define SAT_MAGIC_LSB	0xD9
 #define SAT_MAGIC_MSB	0xC5
 #define SAT_MSG_VER	0x1
 #define SAT_MSG_PROT	0x1
 #define MSM_SAT_SUCCSS	0x20
 #define MSM_MAX_NSATS	2
 #define MSM_MAX_SATCH	32

 /* Slimbus QMI service */
 #define SLIMBUS_QMI_SVC_ID 0x0301
 #define SLIMBUS_QMI_INS_ID 1

 #define PGD_THIS_EE(r, v) ((v) ? PGD_THIS_EE_V2(r) : PGD_THIS_EE_V1(r))
 #define PGD_PORT(r, p, v) ((v) ? PGD_PORT_V2(r, p) : PGD_PORT_V1(r, p))
 #define CFG_PORT(r, v) ((v) ? CFG_PORT_V2(r) : CFG_PORT_V1(r))

 #define PGD_THIS_EE_V2(r) (dev->base + (r ## _V2) + (dev->ee * 0x1000))
 #define PGD_PORT_V2(r, p) (dev->base + (r ## _V2) + ((p) * 0x1000))
 #define CFG_PORT_V2(r) ((r ## _V2))
 /* Component registers */
 enum comp_reg_v2 {
 	COMP_CFG_V2		= 4,
 	COMP_TRUST_CFG_V2	= 0x3000,
 };

 /* Manager PGD registers */
 enum pgd_reg_v2 {
 	PGD_CFG_V2		= 0x800,
 	PGD_STAT_V2		= 0x804,
 	PGD_INT_EN_V2		= 0x810,
 	PGD_INT_STAT_V2		= 0x814,
 	PGD_INT_CLR_V2		= 0x818,
 	PGD_OWN_EEn_V2		= 0x300C,
 	PGD_PORT_INT_EN_EEn_V2	= 0x5000,
 	PGD_PORT_INT_ST_EEn_V2	= 0x5004,
 	PGD_PORT_INT_CL_EEn_V2	= 0x5008,
 	PGD_PORT_CFGn_V2	= 0x14000,
 	PGD_PORT_STATn_V2	= 0x14004,
 	PGD_PORT_PARAMn_V2	= 0x14008,
 	PGD_PORT_BLKn_V2	= 0x1400C,
 	PGD_PORT_TRANn_V2	= 0x14010,
 	PGD_PORT_MCHANn_V2	= 0x14014,
 	PGD_PORT_PSHPLLn_V2	= 0x14018,
 	PGD_PORT_PC_CFGn_V2	= 0x8000,
 	PGD_PORT_PC_VALn_V2	= 0x8004,
 	PGD_PORT_PC_VFR_TSn_V2	= 0x8008,
 	PGD_PORT_PC_VFR_STn_V2	= 0x800C,
 	PGD_PORT_PC_VFR_CLn_V2	= 0x8010,
 	PGD_IE_STAT_V2		= 0x820,
 	PGD_VE_STAT_V2		= 0x830,
 };

 #define PGD_THIS_EE_V1(r) (dev->base + (r ## _V1) + (dev->ee * 16))
 #define PGD_PORT_V1(r, p) (dev->base + (r ## _V1) + ((p) * 32))
 #define CFG_PORT_V1(r) ((r ## _V1))
 /* Component registers */
 enum comp_reg_v1 {
 	COMP_CFG_V1		= 0,
 	COMP_TRUST_CFG_V1	= 0x14,
 };

 /* Manager PGD registers */
 enum pgd_reg_v1 {
 	PGD_CFG_V1		= 0x1000,
 	PGD_STAT_V1		= 0x1004,
 	PGD_INT_EN_V1		= 0x1010,
 	PGD_INT_STAT_V1		= 0x1014,
 	PGD_INT_CLR_V1		= 0x1018,
 	PGD_OWN_EEn_V1		= 0x1020,
 	PGD_PORT_INT_EN_EEn_V1	= 0x1030,
 	PGD_PORT_INT_ST_EEn_V1	= 0x1034,
 	PGD_PORT_INT_CL_EEn_V1	= 0x1038,
 	PGD_PORT_CFGn_V1	= 0x1080,
 	PGD_PORT_STATn_V1	= 0x1084,
 	PGD_PORT_PARAMn_V1	= 0x1088,
 	PGD_PORT_BLKn_V1	= 0x108C,
 	PGD_PORT_TRANn_V1	= 0x1090,
 	PGD_PORT_MCHANn_V1	= 0x1094,
 	PGD_PORT_PSHPLLn_V1	= 0x1098,
 	PGD_PORT_PC_CFGn_V1	= 0x1600,
 	PGD_PORT_PC_VALn_V1	= 0x1604,
 	PGD_PORT_PC_VFR_TSn_V1	= 0x1608,
 	PGD_PORT_PC_VFR_STn_V1	= 0x160C,
 	PGD_PORT_PC_VFR_CLn_V1	= 0x1610,
 	PGD_IE_STAT_V1		= 0x1700,
 	PGD_VE_STAT_V1		= 0x1710,
 };

 enum msm_ctrl_state {
 	MSM_CTRL_AWAKE,
 	MSM_CTRL_SLEEPING,
 	MSM_CTRL_ASLEEP,
 	MSM_CTRL_DOWN,
 };

 enum msm_slim_msgq {
 	MSM_MSGQ_DISABLED,
 	MSM_MSGQ_RESET,
 	MSM_MSGQ_ENABLED,
 };

 struct msm_slim_sps_bam {
 	u32			hdl;
 	void __iomem		*base;
 	int			irq;
 };

 struct msm_slim_endp {
 	struct sps_pipe			*sps;
 	struct sps_connect		config;
 	struct sps_register_event	event;
 	struct sps_mem_buffer		buf;
 	struct completion		*xcomp;
 	bool				connected;
 };

 struct msm_slim_qmi {
 	struct qmi_handle		*handle;
 	struct task_struct		*task;
 	struct kthread_work		kwork;
 	struct kthread_worker		kworker;
 	struct completion		qmi_comp;
 	struct notifier_block		nb;
 	struct work_struct		ssr_down;
 	struct work_struct		ssr_up;
 };

 struct msm_slim_ctrl {
 	struct slim_controller  ctrl;
 	struct slim_framer	framer;
 	struct device		*dev;
 	void __iomem		*base;
 	struct resource		*slew_mem;
 	struct resource		*bam_mem;
 	u32			curr_bw;
 	u8			msg_cnt;
 	u32			tx_buf[10];
 	u8			rx_msgs[MSM_CONCUR_MSG][SLIM_RX_MSGQ_BUF_LEN];
 	spinlock_t		rx_lock;
 	int			head;
 	int			tail;
 	int			irq;
 	int			err;
 	int			ee;
 	struct completion	*wr_comp;
 	struct msm_slim_sat	*satd[MSM_MAX_NSATS];
 	struct msm_slim_endp	pipes[7];
 	struct msm_slim_sps_bam	bam;
 	struct msm_slim_endp	rx_msgq;
 	struct completion	rx_msgq_notify;
 	struct task_struct	*rx_msgq_thread;
 	struct clk		*rclk;
 	struct clk		*hclk;
 	struct mutex		tx_lock;
 	u8			pgdla;
 	enum msm_slim_msgq	use_rx_msgqs;
 	int			pipe_b;
 	struct completion	reconf;
 	bool			reconf_busy;
 	bool			chan_active;
 	enum msm_ctrl_state	state;
 	struct completion	ctrl_up;
 	int			nsats;
 	u32			ver;
 	struct work_struct	slave_notify;
 	struct msm_slim_qmi	qmi;
 };

 struct msm_sat_chan {
 	u8 chan;
 	u16 chanh;
 	int req_rem;
 	int req_def;
 	bool reconf;
 };

 struct msm_slim_sat {
 	struct slim_device	satcl;
 	struct msm_slim_ctrl	*dev;
 	struct workqueue_struct *wq;
 	struct work_struct	wd;
 	u8			sat_msgs[SAT_CONCUR_MSG][40];
 	struct msm_sat_chan	*satch;
 	u8			nsatch;
 	bool			sent_capability;
 	bool			pending_reconf;
 	bool			pending_capability;
 	int			shead;
 	int			stail;
 	spinlock_t lock;
 };

 enum rsc_grp {
 	EE_MGR_RSC_GRP	= 1 << 10,
 	EE_NGD_2	= 2 << 6,
 	EE_NGD_1	= 0,
 };


 int msm_slim_rx_enqueue(struct msm_slim_ctrl *dev, u32 *buf, u8 len);
 int msm_slim_rx_dequeue(struct msm_slim_ctrl *dev, u8 *buf);
 int msm_slim_get_ctrl(struct msm_slim_ctrl *dev);
 void msm_slim_put_ctrl(struct msm_slim_ctrl *dev);
 int msm_slim_init_endpoint(struct msm_slim_ctrl *dev, struct msm_slim_endp *ep);
 void msm_slim_free_endpoint(struct msm_slim_endp *ep);
 void msm_hw_set_port(struct msm_slim_ctrl *dev, u8 pn);
 int msm_slim_connect_pipe_port(struct msm_slim_ctrl *dev, u8 pn);
 int msm_config_port(struct slim_controller *ctrl, u8 pn);
 enum slim_port_err msm_slim_port_xfer_status(struct slim_controller *ctr,
 				u8 pn, u8 **done_buf, u32 *done_len);
 int msm_slim_port_xfer(struct slim_controller *ctrl, u8 pn, u8 *iobuf,
 			u32 len, struct completion *comp);
 int msm_send_msg_buf(struct msm_slim_ctrl *dev, u32 *buf, u8 len, u32 tx_reg);
 u32 *msm_get_msg_buf(struct msm_slim_ctrl *dev, int len);
 int msm_slim_rx_msgq_get(struct msm_slim_ctrl *dev, u32 *data, int offset);
 int msm_slim_sps_init(struct msm_slim_ctrl *dev, struct resource *bam_mem,
 			u32 pipe_reg, bool remote);
 void msm_slim_sps_exit(struct msm_slim_ctrl *dev, bool dereg);

 int msm_slim_connect_endp(struct msm_slim_ctrl *dev,
 				struct msm_slim_endp *endpoint,
 				struct completion *notify);
 void msm_slim_qmi_exit(struct msm_slim_ctrl *dev);
 int msm_slim_qmi_init(struct msm_slim_ctrl *dev, bool apps_is_master);
 int msm_slim_qmi_power_request(struct msm_slim_ctrl *dev, bool active);
 #endif
	/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 and
	* only version 2 as published by the Free Software Foundation.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*/

	#ifndef _SLIM_MSM_H
	#define _SLIM_MSM_H

	#include <linux/kthread.h>
	#include <mach/msm_qmi_interface.h>

	/* Per spec.max 40 bytes per received message */
	#define SLIM_RX_MSGQ_BUF_LEN 40

	#define SLIM_USR_MC_GENERIC_ACK 0x25
	#define SLIM_USR_MC_MASTER_CAPABILITY 0x0
	#define SLIM_USR_MC_REPORT_SATELLITE 0x1
	#define SLIM_USR_MC_ADDR_QUERY 0xD
	#define SLIM_USR_MC_ADDR_REPLY 0xE
	#define SLIM_USR_MC_DEFINE_CHAN 0x20
	#define SLIM_USR_MC_DEF_ACT_CHAN 0x21
	#define SLIM_USR_MC_CHAN_CTRL 0x23
	#define SLIM_USR_MC_RECONFIG_NOW 0x24
	#define SLIM_USR_MC_REQ_BW 0x28
	#define SLIM_USR_MC_CONNECT_SRC 0x2C
	#define SLIM_USR_MC_CONNECT_SINK 0x2D
	#define SLIM_USR_MC_DISCONNECT_PORT 0x2E

	#define MSM_SLIM_AUTOSUSPEND MSEC_PER_SEC

	/*
	* Messages that can be received simultaneously:
	* Client reads, LPASS master responses, announcement messages
	* Receive upto 10 messages simultaneously.
	*/
	#define MSM_SLIM_DESC_NUM 32

	/* MSM Slimbus peripheral settings */
	#define MSM_SLIM_PERF_SUMM_THRESHOLD 0x8000
	#define MSM_SLIM_NPORTS 24
	#define MSM_SLIM_NCHANS 32

	#define SLIM_MSG_ASM_FIRST_WORD(l, mt, mc, dt, ad) \
	((l) \| ((mt) << 5) \| ((mc) << 8) \| ((dt) << 15) \| ((ad) << 16))

	#define MSM_CONCUR_MSG 8
	#define SAT_CONCUR_MSG 8
	#define DEF_WATERMARK (8 << 1)
	#define DEF_ALIGN 0
	#define DEF_PACK (1 << 6)
	#define ENABLE_PORT 1

	#define DEF_BLKSZ 0
	#define DEF_TRANSZ 0

	#define SAT_MAGIC_LSB 0xD9
	#define SAT_MAGIC_MSB 0xC5
	#define SAT_MSG_VER 0x1
	#define SAT_MSG_PROT 0x1
	#define MSM_SAT_SUCCSS 0x20
	#define MSM_MAX_NSATS 2
	#define MSM_MAX_SATCH 32

	/* Slimbus QMI service */
	#define SLIMBUS_QMI_SVC_ID 0x0301
	#define SLIMBUS_QMI_INS_ID 1

	#define PGD_THIS_EE(r, v) ((v) ? PGD_THIS_EE_V2(r) : PGD_THIS_EE_V1(r))
	#define PGD_PORT(r, p, v) ((v) ? PGD_PORT_V2(r, p) : PGD_PORT_V1(r, p))
	#define CFG_PORT(r, v) ((v) ? CFG_PORT_V2(r) : CFG_PORT_V1(r))

	#define PGD_THIS_EE_V2(r) (dev->base + (r ## _V2) + (dev->ee * 0x1000))
	#define PGD_PORT_V2(r, p) (dev->base + (r ## _V2) + ((p) * 0x1000))
	#define CFG_PORT_V2(r) ((r ## _V2))
	/* Component registers */
	enum comp_reg_v2 {
	COMP_CFG_V2 = 4,
	COMP_TRUST_CFG_V2 = 0x3000,
	};

	/* Manager PGD registers */
	enum pgd_reg_v2 {
	PGD_CFG_V2 = 0x800,
	PGD_STAT_V2 = 0x804,
	PGD_INT_EN_V2 = 0x810,
	PGD_INT_STAT_V2 = 0x814,
	PGD_INT_CLR_V2 = 0x818,
	PGD_OWN_EEn_V2 = 0x300C,
	PGD_PORT_INT_EN_EEn_V2 = 0x5000,
	PGD_PORT_INT_ST_EEn_V2 = 0x5004,
	PGD_PORT_INT_CL_EEn_V2 = 0x5008,
	PGD_PORT_CFGn_V2 = 0x14000,
	PGD_PORT_STATn_V2 = 0x14004,
	PGD_PORT_PARAMn_V2 = 0x14008,
	PGD_PORT_BLKn_V2 = 0x1400C,
	PGD_PORT_TRANn_V2 = 0x14010,
	PGD_PORT_MCHANn_V2 = 0x14014,
	PGD_PORT_PSHPLLn_V2 = 0x14018,
	PGD_PORT_PC_CFGn_V2 = 0x8000,
	PGD_PORT_PC_VALn_V2 = 0x8004,
	PGD_PORT_PC_VFR_TSn_V2 = 0x8008,
	PGD_PORT_PC_VFR_STn_V2 = 0x800C,
	PGD_PORT_PC_VFR_CLn_V2 = 0x8010,
	PGD_IE_STAT_V2 = 0x820,
	PGD_VE_STAT_V2 = 0x830,
	};

	#define PGD_THIS_EE_V1(r) (dev->base + (r ## _V1) + (dev->ee * 16))
	#define PGD_PORT_V1(r, p) (dev->base + (r ## _V1) + ((p) * 32))
	#define CFG_PORT_V1(r) ((r ## _V1))
	/* Component registers */
	enum comp_reg_v1 {
	COMP_CFG_V1 = 0,
	COMP_TRUST_CFG_V1 = 0x14,
	};

	/* Manager PGD registers */
	enum pgd_reg_v1 {
	PGD_CFG_V1 = 0x1000,
	PGD_STAT_V1 = 0x1004,
	PGD_INT_EN_V1 = 0x1010,
	PGD_INT_STAT_V1 = 0x1014,
	PGD_INT_CLR_V1 = 0x1018,
	PGD_OWN_EEn_V1 = 0x1020,
	PGD_PORT_INT_EN_EEn_V1 = 0x1030,
	PGD_PORT_INT_ST_EEn_V1 = 0x1034,
	PGD_PORT_INT_CL_EEn_V1 = 0x1038,
	PGD_PORT_CFGn_V1 = 0x1080,
	PGD_PORT_STATn_V1 = 0x1084,
	PGD_PORT_PARAMn_V1 = 0x1088,
	PGD_PORT_BLKn_V1 = 0x108C,
	PGD_PORT_TRANn_V1 = 0x1090,
	PGD_PORT_MCHANn_V1 = 0x1094,
	PGD_PORT_PSHPLLn_V1 = 0x1098,
	PGD_PORT_PC_CFGn_V1 = 0x1600,
	PGD_PORT_PC_VALn_V1 = 0x1604,
	PGD_PORT_PC_VFR_TSn_V1 = 0x1608,
	PGD_PORT_PC_VFR_STn_V1 = 0x160C,
	PGD_PORT_PC_VFR_CLn_V1 = 0x1610,
	PGD_IE_STAT_V1 = 0x1700,
	PGD_VE_STAT_V1 = 0x1710,
	};

	enum msm_ctrl_state {
	MSM_CTRL_AWAKE,
	MSM_CTRL_SLEEPING,
	MSM_CTRL_ASLEEP,
	MSM_CTRL_DOWN,
	};

	enum msm_slim_msgq {
	MSM_MSGQ_DISABLED,
	MSM_MSGQ_RESET,
	MSM_MSGQ_ENABLED,
	};

	struct msm_slim_sps_bam {
	u32 hdl;
	void __iomem *base;
	int irq;
	};

	struct msm_slim_endp {
	struct sps_pipe *sps;
	struct sps_connect config;
	struct sps_register_event event;
	struct sps_mem_buffer buf;
	struct completion *xcomp;
	bool connected;
	};

	struct msm_slim_qmi {
	struct qmi_handle *handle;
	struct task_struct *task;
	struct kthread_work kwork;
	struct kthread_worker kworker;
	struct completion qmi_comp;
	struct notifier_block nb;
	struct work_struct ssr_down;
	struct work_struct ssr_up;
	};

	struct msm_slim_ctrl {
	struct slim_controller ctrl;
	struct slim_framer framer;
	struct device *dev;
	void __iomem *base;
	struct resource *slew_mem;
	struct resource *bam_mem;
	u32 curr_bw;
	u8 msg_cnt;
	u32 tx_buf[10];
	u8 rx_msgs[MSM_CONCUR_MSG][SLIM_RX_MSGQ_BUF_LEN];
	spinlock_t rx_lock;
	int head;
	int tail;
	int irq;
	int err;
	int ee;
	struct completion *wr_comp;
	struct msm_slim_sat *satd[MSM_MAX_NSATS];
	struct msm_slim_endp pipes[7];
	struct msm_slim_sps_bam bam;
	struct msm_slim_endp rx_msgq;
	struct completion rx_msgq_notify;
	struct task_struct *rx_msgq_thread;
	struct clk *rclk;
	struct clk *hclk;
	struct mutex tx_lock;
	u8 pgdla;
	enum msm_slim_msgq use_rx_msgqs;
	int pipe_b;
	struct completion reconf;
	bool reconf_busy;
	bool chan_active;
	enum msm_ctrl_state state;
	struct completion ctrl_up;
	int nsats;
	u32 ver;
	struct work_struct slave_notify;
	struct msm_slim_qmi qmi;
	};

	struct msm_sat_chan {
	u8 chan;
	u16 chanh;
	int req_rem;
	int req_def;
	bool reconf;
	};

	struct msm_slim_sat {
	struct slim_device satcl;
	struct msm_slim_ctrl *dev;
	struct workqueue_struct *wq;
	struct work_struct wd;
	u8 sat_msgs[SAT_CONCUR_MSG][40];
	struct msm_sat_chan *satch;
	u8 nsatch;
	bool sent_capability;
	bool pending_reconf;
	bool pending_capability;
	int shead;
	int stail;
	spinlock_t lock;
	};

	enum rsc_grp {
	EE_MGR_RSC_GRP = 1 << 10,
	EE_NGD_2 = 2 << 6,
	EE_NGD_1 = 0,
	};


	int msm_slim_rx_enqueue(struct msm_slim_ctrl dev, u32 buf, u8 len);
	int msm_slim_rx_dequeue(struct msm_slim_ctrl dev, u8 buf);
	int msm_slim_get_ctrl(struct msm_slim_ctrl *dev);
	void msm_slim_put_ctrl(struct msm_slim_ctrl *dev);
	int msm_slim_init_endpoint(struct msm_slim_ctrl dev, struct msm_slim_endp ep);
	void msm_slim_free_endpoint(struct msm_slim_endp *ep);
	void msm_hw_set_port(struct msm_slim_ctrl *dev, u8 pn);
	int msm_slim_connect_pipe_port(struct msm_slim_ctrl *dev, u8 pn);
	int msm_config_port(struct slim_controller *ctrl, u8 pn);
	enum slim_port_err msm_slim_port_xfer_status(struct slim_controller *ctr,
	u8 pn, u8 *done_buf, u32 done_len);
	int msm_slim_port_xfer(struct slim_controller ctrl, u8 pn, u8 iobuf,
	u32 len, struct completion *comp);
	int msm_send_msg_buf(struct msm_slim_ctrl dev, u32 buf, u8 len, u32 tx_reg);
	u32 msm_get_msg_buf(struct msm_slim_ctrl dev, int len);
	int msm_slim_rx_msgq_get(struct msm_slim_ctrl dev, u32 data, int offset);
	int msm_slim_sps_init(struct msm_slim_ctrl dev, struct resource bam_mem,
	u32 pipe_reg, bool remote);
	void msm_slim_sps_exit(struct msm_slim_ctrl *dev, bool dereg);

	int msm_slim_connect_endp(struct msm_slim_ctrl *dev,
	struct msm_slim_endp *endpoint,
	struct completion *notify);
	void msm_slim_qmi_exit(struct msm_slim_ctrl *dev);
	int msm_slim_qmi_init(struct msm_slim_ctrl *dev, bool apps_is_master);
	int msm_slim_qmi_power_request(struct msm_slim_ctrl *dev, bool active);
	#endif