platform/msm_shared/proc_comm.c - kernel/lk - Gitiles

 /*
  * Copyright (c) 2008, Google Inc.
  * All rights reserved.
  *
  * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */

 #include <debug.h>
 #include <reg.h>

 #include <platform/iomap.h>

 #define ACPU_CLK           0  /* Applications processor clock */
 #define ADM_CLK            1  /* Applications data mover clock */
 #define ADSP_CLK           2  /* ADSP clock */
 #define EBI1_CLK           3  /* External bus interface 1 clock */
 #define EBI2_CLK           4  /* External bus interface 2 clock */
 #define ECODEC_CLK         5  /* External CODEC clock */
 #define EMDH_CLK           6  /* External MDDI host clock */
 #define GP_CLK             7  /* General purpose clock */
 #define GRP_CLK            8  /* Graphics clock */
 #define I2C_CLK            9  /* I2C clock */
 #define ICODEC_RX_CLK     10  /* Internal CODEX RX clock */
 #define ICODEC_TX_CLK     11  /* Internal CODEX TX clock */
 #define IMEM_CLK          12  /* Internal graphics memory clock */
 #define MDC_CLK           13  /* MDDI client clock */
 #define MDP_CLK           14  /* Mobile display processor clock */
 #define PBUS_CLK          15  /* Peripheral bus clock */
 #define PCM_CLK           16  /* PCM clock */
 #define PMDH_CLK          17  /* Primary MDDI host clock */
 #define SDAC_CLK          18  /* Stereo DAC clock */
 #define SDC1_CLK          19  /* Secure Digital Card clocks */
 #define SDC1_PCLK         20
 #define SDC2_CLK          21
 #define SDC2_PCLK         22
 #define SDC3_CLK          23
 #define SDC3_PCLK         24
 #define SDC4_CLK          25
 #define SDC4_PCLK         26
 #define TSIF_CLK          27  /* Transport Stream Interface clocks */
 #define TSIF_REF_CLK      28
 #define TV_DAC_CLK        29  /* TV clocks */
 #define TV_ENC_CLK        30
 #define UART1_CLK         31  /* UART clocks */
 #define UART2_CLK         32
 #define UART3_CLK         33
 #define UART1DM_CLK       34
 #define UART2DM_CLK       35
 #define USB_HS_CLK        36  /* High speed USB core clock */
 #define USB_HS_PCLK       37  /* High speed USB pbus clock */
 #define USB_OTG_CLK       38  /* Full speed USB clock */
 #define VDC_CLK           39  /* Video controller clock */
 #define VFE_CLK           40  /* Camera / Video Front End clock */
 #define VFE_MDC_CLK       41  /* VFE MDDI client clock */

 /* qsd8k adds... */
 #define MDP_LCDC_PCLK_CLK     42
 #define MDP_LCDC_PAD_PCLK_CLK 43
 #define MDP_VSYNC_CLK         44

 /* msm7x30 adds... */
 #define MDP_P_CLK             86

 enum {
 	PCOM_CMD_IDLE = 0x0,
 	PCOM_CMD_DONE,
 	PCOM_RESET_APPS,
 	PCOM_RESET_CHIP,
 	PCOM_CONFIG_NAND_MPU,
 	PCOM_CONFIG_USB_CLKS,
 	PCOM_GET_POWER_ON_STATUS,
 	PCOM_GET_WAKE_UP_STATUS,
 	PCOM_GET_BATT_LEVEL,
 	PCOM_CHG_IS_CHARGING,
 	PCOM_POWER_DOWN,
 	PCOM_USB_PIN_CONFIG,
 	PCOM_USB_PIN_SEL,
 	PCOM_SET_RTC_ALARM,
 	PCOM_NV_READ,
 	PCOM_NV_WRITE,
 	PCOM_GET_UUID_HIGH,
 	PCOM_GET_UUID_LOW,
 	PCOM_GET_HW_ENTROPY,
 	PCOM_RPC_GPIO_TLMM_CONFIG_REMOTE,
 	PCOM_CLKCTL_RPC_ENABLE,
 	PCOM_CLKCTL_RPC_DISABLE,
 	PCOM_CLKCTL_RPC_RESET,
 	PCOM_CLKCTL_RPC_SET_FLAGS,
 	PCOM_CLKCTL_RPC_SET_RATE,
 	PCOM_CLKCTL_RPC_MIN_RATE,
 	PCOM_CLKCTL_RPC_MAX_RATE,
 	PCOM_CLKCTL_RPC_RATE,
 	PCOM_CLKCTL_RPC_PLL_REQUEST,
 	PCOM_CLKCTL_RPC_ENABLED,
 	PCOM_VREG_SWITCH,
 	PCOM_VREG_SET_LEVEL,
 	PCOM_GPIO_TLMM_CONFIG_GROUP,
 	PCOM_GPIO_TLMM_UNCONFIG_GROUP,
 	PCOM_NV_READ_HIGH_BITS,
 	PCOM_NV_WRITE_HIGH_BITS,
 	PCOM_RPC_GPIO_TLMM_CONFIG_EX = 0x25,
 	PCOM_RESERVED_101 = 0x65,
 	PCOM_MSM_HSUSB_PHY_RESET,
 	PCOM_GET_BATT_MV_LEVEL,
 	PCOM_CHG_USB_IS_PC_CONNECTED,
 	PCOM_CHG_USB_IS_CHARGER_CONNECTED,
 	PCOM_CHG_USB_IS_DISCONNECTED,
 	PCOM_CHG_USB_I_AVAILABLE,
 	PCOM_NUM_CMDS,
 };

 enum {
 	 PCOM_INVALID_STATUS = 0x0,
 	 PCOM_READY,
 	 PCOM_CMD_RUNNING,
 	 PCOM_CMD_SUCCESS,
 	 PCOM_CMD_FAIL,
 };

 #ifndef PLATFORM_MSM7X30
 #define MSM_A2M_INT(n) (MSM_CSR_BASE + 0x400 + (n) * 4)
 #endif
 static inline void notify_other_proc_comm(void)
 {
 #ifndef PLATFORM_MSM7X30
     writel(1, MSM_A2M_INT(6));
 #else
     writel(1<<6, (MSM_GCC_BASE + 0x8));
 #endif
 }

 #define APP_COMMAND (MSM_SHARED_BASE + 0x00)
 #define APP_STATUS  (MSM_SHARED_BASE + 0x04)
 #define APP_DATA1   (MSM_SHARED_BASE + 0x08)
 #define APP_DATA2   (MSM_SHARED_BASE + 0x0C)

 #define MDM_COMMAND (MSM_SHARED_BASE + 0x10)
 #define MDM_STATUS  (MSM_SHARED_BASE + 0x14)
 #define MDM_DATA1   (MSM_SHARED_BASE + 0x18)
 #define MDM_DATA2   (MSM_SHARED_BASE + 0x1C)

 int msm_proc_comm(unsigned cmd, unsigned *data1, unsigned *data2)
 {
 	int ret = -1;
 	unsigned status;

 //	dprintf(INFO, "proc_comm(%d,%d,%d)\n",
 //		cmd, data1 ? *data1 : 0, data2 ? *data2 : 0);
 	while (readl(MDM_STATUS) != PCOM_READY) {
 		/* XXX check for A9 reset */
 	}

 	writel(cmd, APP_COMMAND);
 	if (data1)
 		writel(*data1, APP_DATA1);
 	if (data2)
 		writel(*data2, APP_DATA2);

 //	dprintf(INFO, "proc_comm tx\n");
 	notify_other_proc_comm();
 	while (readl(APP_COMMAND) != PCOM_CMD_DONE) {
 		/* XXX check for A9 reset */
 	}

 	status = readl(APP_STATUS);
 //	dprintf(INFO, "proc_comm status %d\n", status);

 	if (status != PCOM_CMD_FAIL) {
 		if (data1)
 			*data1 = readl(APP_DATA1);
 		if (data2)
 			*data2 = readl(APP_DATA2);
 		ret = 0;
 	}

 	return ret;
 }

 static int clock_enable(unsigned id)
 {
 	return msm_proc_comm(PCOM_CLKCTL_RPC_ENABLE, &id, 0);
 }

 static int clock_disable(unsigned id)
 {
 	return msm_proc_comm(PCOM_CLKCTL_RPC_DISABLE, &id, 0);
 }

 static int clock_set_rate(unsigned id, unsigned rate)
 {
 	return msm_proc_comm(PCOM_CLKCTL_RPC_SET_RATE, &id, &rate);
 }

 static int clock_get_rate(unsigned id)
 {
 	if (msm_proc_comm(PCOM_CLKCTL_RPC_RATE, &id, 0)) {
 		return -1;
 	} else {
 		return (int) id;
 	}
 }

 void lcdc_clock_init(unsigned rate)
 {
 	clock_set_rate(MDP_LCDC_PCLK_CLK, rate);
 	clock_enable(MDP_LCDC_PCLK_CLK);
 	clock_enable(MDP_LCDC_PAD_PCLK_CLK);
 }

 void mdp_clock_init (unsigned rate)
 {
 	clock_set_rate(MDP_CLK, rate);
 	clock_enable(MDP_CLK);
 	clock_enable(MDP_P_CLK);
 }

 void uart3_clock_init(void)
 {
 	clock_enable(UART3_CLK);
 	clock_set_rate(UART3_CLK, 19200000 / 4);
 }

 void mddi_clock_init(unsigned num, unsigned rate)
 {
 	unsigned clock_id;

 	if (num == 0)
 		clock_id = PMDH_CLK;
 	else
 		clock_id = EMDH_CLK;

 	clock_enable(clock_id);
 	clock_set_rate(clock_id, rate);
 }

 void reboot(unsigned reboot_reason)
 {
         msm_proc_comm(PCOM_RESET_CHIP, &reboot_reason, 0);
         for (;;) ;
 }

 /* Apps processor calls this API to tell modem processor that a PC USB
  * is connected return true if the USB HOST PC charger charging is
  * supported */
 int charger_usb_is_pc_connected(void)
 {
    unsigned charging_supported = 0;
    unsigned m = 0;
    msm_proc_comm(PCOM_CHG_USB_IS_PC_CONNECTED, &charging_supported, &m);
    return charging_supported;
 }

 /* Apps processor calls this API to tell modem processor that a USB Wall
  * charger is connected returns true if the USB WALL charger charging is
  * supported */
 int charger_usb_is_charger_connected(void)
 {
    unsigned charging_supported = 0;
    unsigned m = 0;
    msm_proc_comm(PCOM_CHG_USB_IS_CHARGER_CONNECTED, &charging_supported, &m);
    return charging_supported;
 }

 /* Apps processor calls this API to tell modem processor that a USB cable is
  * disconnected return true is charging is supported in the system */
 int charger_usb_disconnected(void)
 {
    unsigned charging_supported = 0;
    unsigned m = 0;
    msm_proc_comm(PCOM_CHG_USB_IS_DISCONNECTED, &charging_supported, &m);
    return charging_supported;
 }

 /* current parameter passed is the amount of current that the charger needs
  * to draw from USB */
 int charger_usb_i(unsigned current)
 {
    unsigned charging_supported = 0;
    msm_proc_comm(PCOM_CHG_USB_I_AVAILABLE, &current, &charging_supported);
    return charging_supported;
 }

 int mmc_clock_enable_disable (unsigned id, unsigned enable)
 {
 	if(enable)
 	{
 		return clock_enable(id); //Enable mmc clock rate
 	}
 	else
 	{
 		return clock_disable(id); //Disable mmc clock rate
 	}
 }

 int mmc_clock_set_rate(unsigned id, unsigned rate)
 {
 	return clock_set_rate(id, rate); //Set mmc clock rate
 }

 int mmc_clock_get_rate(unsigned id)
 {
 	return clock_get_rate(id); //Get mmc clock rate
 }

 int gpio_tlmm_config(unsigned config, unsigned disable)
 {
     return msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, &disable);
 }

 int vreg_set_level(unsigned id, unsigned mv)
 {
     return msm_proc_comm(PCOM_VREG_SET_LEVEL, &id, &mv);
 }

 int vreg_enable(unsigned id)
 {
     int enable = 1;
     return msm_proc_comm(PCOM_VREG_SWITCH, &id, &enable);

 }

 int vreg_disable(unsigned id)
 {
     int enable = 0;
     return msm_proc_comm(PCOM_VREG_SWITCH, &id, &enable);
 }
	/*
	* Copyright (c) 2008, Google Inc.
	* All rights reserved.
	*
	* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in
	* the documentation and/or other materials provided with the
	* distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
	* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
	* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
	* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
	* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	*/

	#include <debug.h>
	#include <reg.h>

	#include <platform/iomap.h>

	#define ACPU_CLK 0 /* Applications processor clock */
	#define ADM_CLK 1 /* Applications data mover clock */
	#define ADSP_CLK 2 /* ADSP clock */
	#define EBI1_CLK 3 /* External bus interface 1 clock */
	#define EBI2_CLK 4 /* External bus interface 2 clock */
	#define ECODEC_CLK 5 /* External CODEC clock */
	#define EMDH_CLK 6 /* External MDDI host clock */
	#define GP_CLK 7 /* General purpose clock */
	#define GRP_CLK 8 /* Graphics clock */
	#define I2C_CLK 9 /* I2C clock */
	#define ICODEC_RX_CLK 10 /* Internal CODEX RX clock */
	#define ICODEC_TX_CLK 11 /* Internal CODEX TX clock */
	#define IMEM_CLK 12 /* Internal graphics memory clock */
	#define MDC_CLK 13 /* MDDI client clock */
	#define MDP_CLK 14 /* Mobile display processor clock */
	#define PBUS_CLK 15 /* Peripheral bus clock */
	#define PCM_CLK 16 /* PCM clock */
	#define PMDH_CLK 17 /* Primary MDDI host clock */
	#define SDAC_CLK 18 /* Stereo DAC clock */
	#define SDC1_CLK 19 /* Secure Digital Card clocks */
	#define SDC1_PCLK 20
	#define SDC2_CLK 21
	#define SDC2_PCLK 22
	#define SDC3_CLK 23
	#define SDC3_PCLK 24
	#define SDC4_CLK 25
	#define SDC4_PCLK 26
	#define TSIF_CLK 27 /* Transport Stream Interface clocks */
	#define TSIF_REF_CLK 28
	#define TV_DAC_CLK 29 /* TV clocks */
	#define TV_ENC_CLK 30
	#define UART1_CLK 31 /* UART clocks */
	#define UART2_CLK 32
	#define UART3_CLK 33
	#define UART1DM_CLK 34
	#define UART2DM_CLK 35
	#define USB_HS_CLK 36 /* High speed USB core clock */
	#define USB_HS_PCLK 37 /* High speed USB pbus clock */
	#define USB_OTG_CLK 38 /* Full speed USB clock */
	#define VDC_CLK 39 /* Video controller clock */
	#define VFE_CLK 40 /* Camera / Video Front End clock */
	#define VFE_MDC_CLK 41 /* VFE MDDI client clock */

	/* qsd8k adds... */
	#define MDP_LCDC_PCLK_CLK 42
	#define MDP_LCDC_PAD_PCLK_CLK 43
	#define MDP_VSYNC_CLK 44

	/* msm7x30 adds... */
	#define MDP_P_CLK 86

	enum {
	PCOM_CMD_IDLE = 0x0,
	PCOM_CMD_DONE,
	PCOM_RESET_APPS,
	PCOM_RESET_CHIP,
	PCOM_CONFIG_NAND_MPU,
	PCOM_CONFIG_USB_CLKS,
	PCOM_GET_POWER_ON_STATUS,
	PCOM_GET_WAKE_UP_STATUS,
	PCOM_GET_BATT_LEVEL,
	PCOM_CHG_IS_CHARGING,
	PCOM_POWER_DOWN,
	PCOM_USB_PIN_CONFIG,
	PCOM_USB_PIN_SEL,
	PCOM_SET_RTC_ALARM,
	PCOM_NV_READ,
	PCOM_NV_WRITE,
	PCOM_GET_UUID_HIGH,
	PCOM_GET_UUID_LOW,
	PCOM_GET_HW_ENTROPY,
	PCOM_RPC_GPIO_TLMM_CONFIG_REMOTE,
	PCOM_CLKCTL_RPC_ENABLE,
	PCOM_CLKCTL_RPC_DISABLE,
	PCOM_CLKCTL_RPC_RESET,
	PCOM_CLKCTL_RPC_SET_FLAGS,
	PCOM_CLKCTL_RPC_SET_RATE,
	PCOM_CLKCTL_RPC_MIN_RATE,
	PCOM_CLKCTL_RPC_MAX_RATE,
	PCOM_CLKCTL_RPC_RATE,
	PCOM_CLKCTL_RPC_PLL_REQUEST,
	PCOM_CLKCTL_RPC_ENABLED,
	PCOM_VREG_SWITCH,
	PCOM_VREG_SET_LEVEL,
	PCOM_GPIO_TLMM_CONFIG_GROUP,
	PCOM_GPIO_TLMM_UNCONFIG_GROUP,
	PCOM_NV_READ_HIGH_BITS,
	PCOM_NV_WRITE_HIGH_BITS,
	PCOM_RPC_GPIO_TLMM_CONFIG_EX = 0x25,
	PCOM_RESERVED_101 = 0x65,
	PCOM_MSM_HSUSB_PHY_RESET,
	PCOM_GET_BATT_MV_LEVEL,
	PCOM_CHG_USB_IS_PC_CONNECTED,
	PCOM_CHG_USB_IS_CHARGER_CONNECTED,
	PCOM_CHG_USB_IS_DISCONNECTED,
	PCOM_CHG_USB_I_AVAILABLE,
	PCOM_NUM_CMDS,
	};

	enum {
	PCOM_INVALID_STATUS = 0x0,
	PCOM_READY,
	PCOM_CMD_RUNNING,
	PCOM_CMD_SUCCESS,
	PCOM_CMD_FAIL,
	};

	#ifndef PLATFORM_MSM7X30
	#define MSM_A2M_INT(n) (MSM_CSR_BASE + 0x400 + (n) * 4)
	#endif
	static inline void notify_other_proc_comm(void)
	{
	#ifndef PLATFORM_MSM7X30
	writel(1, MSM_A2M_INT(6));
	#else
	writel(1<<6, (MSM_GCC_BASE + 0x8));
	#endif
	}

	#define APP_COMMAND (MSM_SHARED_BASE + 0x00)
	#define APP_STATUS (MSM_SHARED_BASE + 0x04)
	#define APP_DATA1 (MSM_SHARED_BASE + 0x08)
	#define APP_DATA2 (MSM_SHARED_BASE + 0x0C)

	#define MDM_COMMAND (MSM_SHARED_BASE + 0x10)
	#define MDM_STATUS (MSM_SHARED_BASE + 0x14)
	#define MDM_DATA1 (MSM_SHARED_BASE + 0x18)
	#define MDM_DATA2 (MSM_SHARED_BASE + 0x1C)

	int msm_proc_comm(unsigned cmd, unsigned data1, unsigned data2)
	{
	int ret = -1;
	unsigned status;

	// dprintf(INFO, "proc_comm(%d,%d,%d)\n",
	// cmd, data1 ? data1 : 0, data2 ? data2 : 0);
	while (readl(MDM_STATUS) != PCOM_READY) {
	/* XXX check for A9 reset */
	}

	writel(cmd, APP_COMMAND);
	if (data1)
	writel(*data1, APP_DATA1);
	if (data2)
	writel(*data2, APP_DATA2);

	// dprintf(INFO, "proc_comm tx\n");
	notify_other_proc_comm();
	while (readl(APP_COMMAND) != PCOM_CMD_DONE) {
	/* XXX check for A9 reset */
	}

	status = readl(APP_STATUS);
	// dprintf(INFO, "proc_comm status %d\n", status);

	if (status != PCOM_CMD_FAIL) {
	if (data1)
	*data1 = readl(APP_DATA1);
	if (data2)
	*data2 = readl(APP_DATA2);
	ret = 0;
	}

	return ret;
	}

	static int clock_enable(unsigned id)
	{
	return msm_proc_comm(PCOM_CLKCTL_RPC_ENABLE, &id, 0);
	}

	static int clock_disable(unsigned id)
	{
	return msm_proc_comm(PCOM_CLKCTL_RPC_DISABLE, &id, 0);
	}

	static int clock_set_rate(unsigned id, unsigned rate)
	{
	return msm_proc_comm(PCOM_CLKCTL_RPC_SET_RATE, &id, &rate);
	}

	static int clock_get_rate(unsigned id)
	{
	if (msm_proc_comm(PCOM_CLKCTL_RPC_RATE, &id, 0)) {
	return -1;
	} else {
	return (int) id;
	}
	}

	void lcdc_clock_init(unsigned rate)
	{
	clock_set_rate(MDP_LCDC_PCLK_CLK, rate);
	clock_enable(MDP_LCDC_PCLK_CLK);
	clock_enable(MDP_LCDC_PAD_PCLK_CLK);
	}

	void mdp_clock_init (unsigned rate)
	{
	clock_set_rate(MDP_CLK, rate);
	clock_enable(MDP_CLK);
	clock_enable(MDP_P_CLK);
	}

	void uart3_clock_init(void)
	{
	clock_enable(UART3_CLK);
	clock_set_rate(UART3_CLK, 19200000 / 4);
	}

	void mddi_clock_init(unsigned num, unsigned rate)
	{
	unsigned clock_id;

	if (num == 0)
	clock_id = PMDH_CLK;
	else
	clock_id = EMDH_CLK;

	clock_enable(clock_id);
	clock_set_rate(clock_id, rate);
	}

	void reboot(unsigned reboot_reason)
	{
	msm_proc_comm(PCOM_RESET_CHIP, &reboot_reason, 0);
	for (;;) ;
	}

	/* Apps processor calls this API to tell modem processor that a PC USB
	* is connected return true if the USB HOST PC charger charging is
	* supported */
	int charger_usb_is_pc_connected(void)
	{
	unsigned charging_supported = 0;
	unsigned m = 0;
	msm_proc_comm(PCOM_CHG_USB_IS_PC_CONNECTED, &charging_supported, &m);
	return charging_supported;
	}

	/* Apps processor calls this API to tell modem processor that a USB Wall
	* charger is connected returns true if the USB WALL charger charging is
	* supported */
	int charger_usb_is_charger_connected(void)
	{
	unsigned charging_supported = 0;
	unsigned m = 0;
	msm_proc_comm(PCOM_CHG_USB_IS_CHARGER_CONNECTED, &charging_supported, &m);
	return charging_supported;
	}

	/* Apps processor calls this API to tell modem processor that a USB cable is
	* disconnected return true is charging is supported in the system */
	int charger_usb_disconnected(void)
	{
	unsigned charging_supported = 0;
	unsigned m = 0;
	msm_proc_comm(PCOM_CHG_USB_IS_DISCONNECTED, &charging_supported, &m);
	return charging_supported;
	}

	/* current parameter passed is the amount of current that the charger needs
	* to draw from USB */
	int charger_usb_i(unsigned current)
	{
	unsigned charging_supported = 0;
	msm_proc_comm(PCOM_CHG_USB_I_AVAILABLE, &current, &charging_supported);
	return charging_supported;
	}

	int mmc_clock_enable_disable (unsigned id, unsigned enable)
	{
	if(enable)
	{
	return clock_enable(id); //Enable mmc clock rate
	}
	else
	{
	return clock_disable(id); //Disable mmc clock rate
	}
	}

	int mmc_clock_set_rate(unsigned id, unsigned rate)
	{
	return clock_set_rate(id, rate); //Set mmc clock rate
	}

	int mmc_clock_get_rate(unsigned id)
	{
	return clock_get_rate(id); //Get mmc clock rate
	}

	int gpio_tlmm_config(unsigned config, unsigned disable)
	{
	return msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &config, &disable);
	}

	int vreg_set_level(unsigned id, unsigned mv)
	{
	return msm_proc_comm(PCOM_VREG_SET_LEVEL, &id, &mv);
	}

	int vreg_enable(unsigned id)
	{
	int enable = 1;
	return msm_proc_comm(PCOM_VREG_SWITCH, &id, &enable);

	}

	int vreg_disable(unsigned id)
	{
	int enable = 0;
	return msm_proc_comm(PCOM_VREG_SWITCH, &id, &enable);
	}