/* Copyright (c) 2012-2013, 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 __ARCH_ARM_MACH_MSM_PCIE_H
#define __ARCH_ARM_MACH_MSM_PCIE_H

#include <linux/clk.h>
#include <linux/compiler.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/types.h>
#include <mach/msm_pcie.h>

#define MSM_PCIE_MAX_VREG 4
#define MSM_PCIE_MAX_CLK  3

#define PCIE_DBG(x...) do {              \
	if (msm_pcie_get_debug_mask())   \
		pr_info(x);              \
	} while (0)

/* voltage regulator info structrue */
struct msm_pcie_vreg_info_t {
	struct regulator  *hdl;
	char              *name;
	uint32_t           max_v;
	uint32_t           min_v;
	uint32_t           opt_mode;
};

/* clock info structure */
struct msm_pcie_clk_info_t {
	struct clk  *hdl;
	char        *name;
};

/* resource info structure */
struct msm_pcie_res_info_t {
	char            *name;
	struct resource *resource;
	void __iomem    *base;
};

/* msm pcie device structure */
struct msm_pcie_dev_t {
	struct platform_device       *pdev;

	struct msm_pcie_vreg_info_t  *vreg;
	struct msm_pcie_gpio_info_t  *gpio;
	struct msm_pcie_clk_info_t   *clk;
	struct msm_pcie_res_info_t   *res;

	void __iomem                 *parf;
	void __iomem                 *elbi;
	void __iomem                 *pcie20;
	void __iomem                 *axi_conf;

	uint32_t                      axi_bar_start;
	uint32_t                      axi_bar_end;

	struct resource               dev_mem_res;

	uint32_t                      wake_n;
	uint32_t                      vreg_n;
	uint32_t                      parf_deemph;
	uint32_t                      parf_swing;
};

extern uint32_t msm_pcie_irq_init(struct msm_pcie_dev_t *dev);
extern void msm_pcie_irq_deinit(struct msm_pcie_dev_t *dev);
extern int msm_pcie_get_debug_mask(void);

#endif