path: root/drivers/misc/mediatek/eccci/mt6735/cldma_platform.c

#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <mach/mt_spm_sleep.h>
#include <mach/mt_gpio.h>
#include <mach/mt_clkbuf_ctl.h>

#if defined(CONFIG_MTK_LEGACY)
#include <mach/mt_clkmgr.h>
#else
#include <linux/clk.h>
#endif /*CONFIG_MTK_LEGACY*/

#include <mach/upmu_common.h>
#include <mach/upmu_sw.h>
#include <mach/upmu_hw.h>
#include <mach/mt_pbm.h>

#include "ccci_core.h"
#include "ccci_platform.h"
#include "modem_cldma.h"
#include "cldma_platform.h"
#include "cldma_reg.h"
#include "modem_reg_base.h"

#ifdef CONFIG_OF
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/of_irq.h>
#include <linux/of_address.h>
#endif
#include "ccci_core.h"

#if !defined(CONFIG_MTK_LEGACY)
static struct clk *clk_scp_sys_md1_main;
#endif

extern unsigned long infra_ao_base;
extern void ccci_mem_dump(int md_id, void *start_addr, int len);

#define TAG "mcd"
void md_cldma_hw_reset(struct ccci_modem *md)
{
    unsigned int reg_value;
    struct md_cd_ctrl *md_ctrl = (struct md_cd_ctrl *)md->private_data;
    CCCI_INF_MSG(md->index, TAG, "md_cldma_hw_reset:rst cldma\n");
    //reset cldma hw
    reg_value = ccci_read32(infra_ao_base,INFRA_RST0_REG);
    reg_value &=~(CLDMA_AO_RST_MASK|CLDMA_PD_RST_MASK);
    reg_value |=(CLDMA_AO_RST_MASK|CLDMA_PD_RST_MASK);
    ccci_write32(infra_ao_base,INFRA_RST0_REG,reg_value);
    CCCI_INF_MSG(md->index, TAG, "md_cldma_hw_reset:clear reset\n");
    //reset cldma clr
    reg_value = ccci_read32(infra_ao_base,INFRA_RST1_REG);
    reg_value &=~(CLDMA_AO_RST_MASK|CLDMA_PD_RST_MASK);
    reg_value |=(CLDMA_AO_RST_MASK|CLDMA_PD_RST_MASK);
    ccci_write32(infra_ao_base,INFRA_RST1_REG,reg_value);
    CCCI_INF_MSG(md->index, TAG, "md_cldma_hw_reset:done\n");
}

int md_cd_get_modem_hw_info(struct platform_device *dev_ptr, struct ccci_dev_cfg *dev_cfg, struct md_hw_info *hw_info)
{
    struct device_node *node=NULL;
    memset(dev_cfg, 0, sizeof(struct ccci_dev_cfg));
    memset(hw_info, 0, sizeof(struct md_hw_info));

    if(dev_ptr->dev.of_node == NULL) {
        CCCI_ERR_MSG(dev_cfg->index, TAG, "modem OF node NULL\n");
        return -1;
    }

    of_property_read_u32(dev_ptr->dev.of_node, "cell-index", &dev_cfg->index);
    CCCI_INF_MSG(dev_cfg->index, TAG, "modem hw info get idx:%d\n", dev_cfg->index);
    if(!get_modem_is_enabled(dev_cfg->index)) {
        CCCI_ERR_MSG(dev_cfg->index, TAG, "modem %d not enable, exit\n", dev_cfg->index + 1);
        return -1;
    }

    switch(dev_cfg->index) {
    case 0: //MD_SYS1
        of_property_read_u32(dev_ptr->dev.of_node, "cldma,major", &dev_cfg->major);
        of_property_read_u32(dev_ptr->dev.of_node, "cldma,minor_base", &dev_cfg->minor_base);
        of_property_read_u32(dev_ptr->dev.of_node, "cldma,capability", &dev_cfg->capability);

        hw_info->cldma_ap_ao_base = of_iomap(dev_ptr->dev.of_node, 0);
        hw_info->cldma_md_ao_base = of_iomap(dev_ptr->dev.of_node, 1);
        hw_info->cldma_ap_pdn_base = of_iomap(dev_ptr->dev.of_node, 2);
        hw_info->cldma_md_pdn_base = of_iomap(dev_ptr->dev.of_node, 3);
        hw_info->ap_ccif_base = of_iomap(dev_ptr->dev.of_node, 4);        
        hw_info->md_ccif_base = of_iomap(dev_ptr->dev.of_node, 5);
        hw_info->cldma_irq_id = irq_of_parse_and_map(dev_ptr->dev.of_node, 0);
        hw_info->ap_ccif_irq_id = irq_of_parse_and_map(dev_ptr->dev.of_node, 1);
        hw_info->md_wdt_irq_id = irq_of_parse_and_map(dev_ptr->dev.of_node, 2);

        // Device tree using none flag to register irq, sensitivity has set at "irq_of_parse_and_map"
        hw_info->cldma_irq_flags = IRQF_TRIGGER_NONE;
        hw_info->ap_ccif_irq_flags = IRQF_TRIGGER_NONE;
        hw_info->md_wdt_irq_flags = IRQF_TRIGGER_NONE;
        hw_info->ap2md_bus_timeout_irq_flags = IRQF_TRIGGER_NONE;

        hw_info->sram_size = CCIF_SRAM_SIZE;
        hw_info->md_rgu_base = MD_RGU_BASE;
        hw_info->md_boot_slave_Vector = MD_BOOT_VECTOR;
        hw_info->md_boot_slave_Key = MD_BOOT_VECTOR_KEY;
        hw_info->md_boot_slave_En = MD_BOOT_VECTOR_EN;
#if !defined(CONFIG_MTK_LEGACY)
        clk_scp_sys_md1_main = devm_clk_get(&dev_ptr->dev,"scp-sys-md1-main");
        if(IS_ERR(clk_scp_sys_md1_main)){
            CCCI_ERR_MSG(dev_cfg->index, TAG, "modem %d get scp-sys-md1-main failed\n", dev_cfg->index + 1);
            return -1;
        }
#endif
        break;
    default:
        return -1;
    }

    CCCI_INF_MSG(dev_cfg->index, TAG, "modem cldma of node get dev_major:%d\n", dev_cfg->major);
    CCCI_INF_MSG(dev_cfg->index, TAG, "modem cldma of node get minor_base:%d\n", dev_cfg->minor_base);
    CCCI_INF_MSG(dev_cfg->index, TAG, "modem cldma of node get capability:%d\n", dev_cfg->capability);
    CCCI_INF_MSG(dev_cfg->index, TAG, "ap_cldma: ao_base=0x%p, pdn_base=0x%p\n", (void*)hw_info->cldma_ap_ao_base,(void*)hw_info->cldma_ap_pdn_base);
    CCCI_INF_MSG(dev_cfg->index, TAG, "md_cldma: ao_base=0x%p, pdn_base=0x%p\n",(void*) hw_info->cldma_md_ao_base,(void*) hw_info->cldma_md_pdn_base);

    CCCI_INF_MSG(dev_cfg->index, TAG, "ap_ccif_base:0x%p, md_ccif_base:0x%p\n",(void*) hw_info->ap_ccif_base,(void*) hw_info->md_ccif_base);
    CCCI_INF_MSG(dev_cfg->index, TAG, "cldma_irq_id:%d\n", hw_info->cldma_irq_id);
    CCCI_INF_MSG(dev_cfg->index, TAG, "ccif_irq_id:%d\n", hw_info->ap_ccif_irq_id);
    CCCI_INF_MSG(dev_cfg->index, TAG, "md_wdt_irq_id:%d\n", hw_info->md_wdt_irq_id);

    return 0;
}

int md_cd_io_remap_md_side_register(struct ccci_modem *md)
{
	struct md_cd_ctrl *md_ctrl = (struct md_cd_ctrl *)md->private_data;
	md_ctrl->cldma_ap_pdn_base = (void __iomem *)(md_ctrl->hw_info->cldma_ap_pdn_base);
    md_ctrl->cldma_ap_ao_base =  (void __iomem *)(md_ctrl->hw_info->cldma_ap_ao_base);
	md_ctrl->cldma_md_pdn_base = (void __iomem *)(md_ctrl->hw_info->cldma_md_pdn_base);
    md_ctrl->cldma_md_ao_base = (void __iomem *)(md_ctrl->hw_info->cldma_md_ao_base);
	md_ctrl->md_boot_slave_Vector = ioremap_nocache(md_ctrl->hw_info->md_boot_slave_Vector, 0x4);
	md_ctrl->md_boot_slave_Key = ioremap_nocache(md_ctrl->hw_info->md_boot_slave_Key, 0x4);
	md_ctrl->md_boot_slave_En = ioremap_nocache(md_ctrl->hw_info->md_boot_slave_En, 0x4);
	md_ctrl->md_rgu_base = ioremap_nocache(md_ctrl->hw_info->md_rgu_base, 0x40);
	md_ctrl->md_global_con0 = ioremap_nocache(MD_GLOBAL_CON0, 0x4);

	md_ctrl->md_bus_status = ioremap_nocache(MD_BUS_STATUS_BASE, MD_BUS_STATUS_LENGTH);
	md_ctrl->md_pc_monitor = ioremap_nocache(MD_PC_MONITOR_BASE, MD_PC_MONITOR_LENGTH);
	md_ctrl->md_topsm_status = ioremap_nocache(MD_TOPSM_STATUS_BASE, MD_TOPSM_STATUS_LENGTH);
	md_ctrl->md_ost_status = ioremap_nocache(MD_OST_STATUS_BASE, MD_OST_STATUS_LENGTH);
	md_ctrl->md_pll = ioremap_nocache(MD_PLL_BASE, MD_PLL_LENGTH);
#ifdef MD_PEER_WAKEUP
	md_ctrl->md_peer_wakeup = ioremap_nocache(MD_PEER_WAKEUP, 0x4);
#endif
	return 0;
}
void md_cd_lock_cldma_clock_src(int locked)
{
	//spm_ap_mdsrc_req(locked);
}
void md_cd_lock_modem_clock_src(int locked)
{
	spm_ap_mdsrc_req(locked);
}

void md_cd_dump_debug_register(struct ccci_modem *md)
{
	struct md_cd_ctrl *md_ctrl = (struct md_cd_ctrl *)md->private_data;
	unsigned int reg_value;
    md_cd_lock_modem_clock_src(1);
	CCCI_INF_MSG(md->index, TAG, "Dump MD Bus status %x\n", MD_BUS_STATUS_BASE);
	ccci_mem_dump(md->index,md_ctrl->md_bus_status, MD_BUS_STATUS_LENGTH);
	CCCI_INF_MSG(md->index, TAG, "Dump MD PC monitor %x\n", MD_PC_MONITOR_BASE);
	// stop MD PCMon
	reg_value = ccci_read32(md_ctrl->md_pc_monitor,0); 
	reg_value &= ~(0x1<<21);
	ccci_write32(md_ctrl->md_pc_monitor, 0, reg_value); // clear bit[21]
	ccci_write32((md_ctrl->md_pc_monitor+4), 0, 0x80000000); // stop MD PCMon
	ccci_mem_dump(md->index, md_ctrl->md_pc_monitor, MD_PC_MONITOR_LENGTH);
	ccci_write32(md_ctrl->md_pc_monitor+4, 0, 0x1); // restart MD PCMon
	CCCI_INF_MSG(md->index, TAG, "Dump MD TOPSM status %x\n", MD_TOPSM_STATUS_BASE);
	ccci_mem_dump(md->index, md_ctrl->md_topsm_status, MD_TOPSM_STATUS_LENGTH);
	CCCI_INF_MSG(md->index, TAG, "Dump MD OST status %x\n", MD_OST_STATUS_BASE);
	ccci_mem_dump(md->index, md_ctrl->md_ost_status, MD_OST_STATUS_LENGTH);
	CCCI_INF_MSG(md->index, TAG, "Dump MD PLL %x\n", MD_PLL_BASE);
	ccci_mem_dump(md->index, md_ctrl->md_pll, MD_PLL_LENGTH);
    md_cd_lock_modem_clock_src(0);
}

void md_cd_check_emi_state(struct ccci_modem *md, int polling)
{
}

int md_cd_power_on(struct ccci_modem *md)
{
    int ret = 0;
    unsigned int reg_value;
    struct md_cd_ctrl *md_ctrl = (struct md_cd_ctrl *)md->private_data;
    // turn on VLTE
#ifdef FEATURE_VLTE_SUPPORT
    mt_set_gpio_out(GPIO_LTE_VSRAM_EXT_POWER_EN_PIN,1);
    CCCI_INF_MSG(md->index, CORE, "md_cd_power_on:mt_set_gpio_out(GPIO_LTE_VSRAM_EXT_POWER_EN_PIN,1)\n");

    //if(!(mt6325_upmu_get_swcid()==PMIC6325_E1_CID_CODE ||
    //     mt6325_upmu_get_swcid()==PMIC6325_E2_CID_CODE))
    {
    CCCI_INF_MSG(md->index, CORE, "md_cd_power_on:set VLTE on,bit0,1\n");
    pmic_config_interface(0x04D6, 0x1, 0x1, 0); //bit[0] =>1'b1 
    udelay(200);
    /*
        *[Notes] move into md cmos flow, for hardwareissue, so disable on denlai.
        * bring up need confirm with MD DE & SPM 
        */
    //reg_value = ccci_read32(infra_ao_base,0x338); 
    //reg_value &= ~(0x40); //bit[6] =>1'b0
    //ccci_write32(infra_ao_base,0x338,reg_value);
    //CCCI_INF_MSG(md->index, CORE, "md_cd_power_on: set infra_misc VLTE bit(0x1000_0338)=0x%x, bit[6]=0x%x\n",ccci_read32(infra_ao_base,0x338),(ccci_read32(infra_ao_base,0x338)&0x40));
    }
#endif
#ifdef FEATURE_RF_CLK_BUF
    //config RFICx as BSI
    mutex_lock(&clk_buf_ctrl_lock); // fixme,clkbuf, ->down(&clk_buf_ctrl_lock_2);
    CCCI_INF_MSG(md->index, TAG, "clock buffer, BSI ignore mode\n"); 

    mt_set_gpio_mode(GPIO_RFIC0_BSI_CK,  GPIO_MODE_01); 
    mt_set_gpio_mode(GPIO_RFIC0_BSI_D0,  GPIO_MODE_01);
    mt_set_gpio_mode(GPIO_RFIC0_BSI_D1,  GPIO_MODE_01);
    mt_set_gpio_mode(GPIO_RFIC0_BSI_D2,  GPIO_MODE_01);
    mt_set_gpio_mode(GPIO_RFIC0_BSI_CS,  GPIO_MODE_01);
#endif
	// power on MD_INFRA and MODEM_TOP
    switch(md->index)
    {
        case MD_SYS1:

#if defined(CONFIG_MTK_LEGACY)
       	CCCI_INF_MSG(md->index, TAG, "Call start md_power_on()\n"); 
        ret = md_power_on(SYS_MD1);
        CCCI_INF_MSG(md->index, TAG, "Call end md_power_on() ret=%d\n",ret);
#else
        CCCI_INF_MSG(md->index, TAG, "Call start clk_prepare_enable()\n"); 
        clk_prepare_enable(clk_scp_sys_md1_main);
        CCCI_INF_MSG(md->index, TAG, "Call end clk_prepare_enable()\n");
#endif

        kicker_pbm_by_md(MD1,true);
        CCCI_INF_MSG(md->index, TAG, "Call end kicker_pbm_by_md(0,true)\n"); 
        break;
    }
#ifdef FEATURE_RF_CLK_BUF 
	mutex_unlock(&clk_buf_ctrl_lock); // fixme,clkbuf, ->delete
#endif
	if(ret)
		return ret;
	// disable MD WDT
	cldma_write32(md_ctrl->md_rgu_base, WDT_MD_MODE, WDT_MD_MODE_KEY);
	return 0;
}

int md_cd_bootup_cleanup(struct ccci_modem *md, int success)
{
	return 0;
}

int md_cd_let_md_go(struct ccci_modem *md)
{
	struct md_cd_ctrl *md_ctrl = (struct md_cd_ctrl *)md->private_data;
	if(MD_IN_DEBUG(md))
		return -1;
	CCCI_INF_MSG(md->index, TAG, "set MD boot slave\n"); 
	// set the start address to let modem to run
	cldma_write32(md_ctrl->md_boot_slave_Key, 0, 0x3567C766); // make boot vector programmable
	cldma_write32(md_ctrl->md_boot_slave_Vector, 0, 0x00000000); // after remap, MD ROM address is 0 from MD's view
	cldma_write32(md_ctrl->md_boot_slave_En, 0, 0xA3B66175); // make boot vector take effect
	return 0;
}

int md_cd_power_off(struct ccci_modem *md, unsigned int timeout)
{
    int ret = 0;
    unsigned int reg_value;
#ifdef FEATURE_RF_CLK_BUF    
    mutex_lock(&clk_buf_ctrl_lock); 
#endif
    // power off MD_INFRA and MODEM_TOP
    switch(md->index)
    {
        case MD_SYS1:
#if defined(CONFIG_MTK_LEGACY)
        ret = md_power_off(SYS_MD1, timeout);
#else
        clk_disable(clk_scp_sys_md1_main);
        #ifdef FEATURE_RF_CLK_BUF
        mutex_unlock(&clk_buf_ctrl_lock);
        #endif
        clk_unprepare(clk_scp_sys_md1_main); // cannot be called in mutex context
        #ifdef FEATURE_RF_CLK_BUF
        mutex_lock(&clk_buf_ctrl_lock);
        #endif
#endif
        kicker_pbm_by_md(MD1,false);
        CCCI_INF_MSG(md->index, TAG, "Call end kicker_pbm_by_md(0,false)\n"); 
        break;
    }
#ifdef FEATURE_RF_CLK_BUF
    // config RFICx as AP SPM control
    CCCI_INF_MSG(md->index, TAG, "clock buffer, AP SPM control mode\n"); 
    mt_set_gpio_mode(GPIO_RFIC0_BSI_CK,  GPIO_MODE_04); 
    mt_set_gpio_mode(GPIO_RFIC0_BSI_D0,  GPIO_MODE_04);
    mt_set_gpio_mode(GPIO_RFIC0_BSI_D1,  GPIO_MODE_04);
    mt_set_gpio_mode(GPIO_RFIC0_BSI_D2,  GPIO_MODE_04);
    mt_set_gpio_mode(GPIO_RFIC0_BSI_CS,  GPIO_MODE_04);
	mutex_unlock(&clk_buf_ctrl_lock);
#endif

#ifdef FEATURE_VLTE_SUPPORT
    // Turn off VLTE
    //if(!(mt6325_upmu_get_swcid()==PMIC6325_E1_CID_CODE ||
    //     mt6325_upmu_get_swcid()==PMIC6325_E2_CID_CODE))
    {    
    /*
        *[Notes] move into md cmos flow, for hardwareissue, so disable on denlai.
        * bring up need confirm with MD DE & SPM 
        */
    //reg_value = ccci_read32(infra_ao_base,0x338); 
    //reg_value &= ~(0x40); //bit[6] =>1'b0
    //reg_value |= 0x40;//bit[6] =>1'b1
    //ccci_write32(infra_ao_base,0x338,reg_value);
    //CCCI_INF_MSG(md->index, CORE, "md_cd_power_off: set SRCLKEN infra_misc(0x1000_0338)=0x%x, bit[6]=0x%x\n",ccci_read32(infra_ao_base,0x338),(ccci_read32(infra_ao_base,0x338)&0x40));
    
    CCCI_INF_MSG(md->index, CORE, "md_cd_power_off:set VLTE on,bit0=0\n");
    pmic_config_interface(0x04D6, 0x0, 0x1, 0); //bit[0] =>1'b0
    }
    mt_set_gpio_out(GPIO_LTE_VSRAM_EXT_POWER_EN_PIN,0);
    CCCI_INF_MSG(md->index, CORE, "md_cd_power_off:mt_set_gpio_out(GPIO_LTE_VSRAM_EXT_POWER_EN_PIN,0)\n");
#endif
    return ret;
}


void cldma_dump_register(struct ccci_modem *md)
{
    struct md_cd_ctrl *md_ctrl = (struct md_cd_ctrl *)md->private_data;
    printk("[CCCI%d-DUMP]dump AP CLDMA Tx pdn register, active=%x\n",md->index+1, md_ctrl->txq_active);
    ccci_mem_dump(md->index, md_ctrl->cldma_ap_pdn_base+CLDMA_AP_UL_START_ADDR_0, CLDMA_AP_UL_CHECKSUM_CHANNEL_ENABLE-CLDMA_AP_UL_START_ADDR_0+4);
    printk("[CCCI%d-DUMP]dump AP CLDMA Tx ao register, active=%x\n",md->index+1, md_ctrl->txq_active);
    ccci_mem_dump(md->index, md_ctrl->cldma_ap_ao_base+CLDMA_AP_UL_START_ADDR_BK_0, CLDMA_AP_UL_CURRENT_ADDR_BK_7-CLDMA_AP_UL_START_ADDR_BK_0+4);

    printk("[CCCI%d-DUMP]dump AP CLDMA Rx pdn register, active=%x\n",md->index+1, md_ctrl->rxq_active);
    ccci_mem_dump(md->index, md_ctrl->cldma_ap_pdn_base+CLDMA_AP_SO_ERROR, CLDMA_AP_SO_STOP_CMD-CLDMA_AP_SO_ERROR+4);

    printk("[CCCI%d-DUMP]dump AP CLDMA Rx ao register, active=%x\n",md->index+1, md_ctrl->rxq_active);
    ccci_mem_dump(md->index, md_ctrl->cldma_ap_ao_base+CLDMA_AP_SO_CFG, CLDMA_AP_DEBUG_ID_EN-CLDMA_AP_SO_CFG+4);

    printk("[CCCI%d-DUMP]dump AP CLDMA MISC pdn register\n",md->index+1);
    ccci_mem_dump(md->index, md_ctrl->cldma_ap_pdn_base+CLDMA_AP_L2TISAR0, CLDMA_AP_CLDMA_IP_BUSY-CLDMA_AP_L2TISAR0+4);

    printk("[CCCI%d-DUMP]dump AP CLDMA MISC ao register\n",md->index+1);
    ccci_mem_dump(md->index, md_ctrl->cldma_ap_ao_base+CLDMA_AP_L2RIMR0, CLDMA_AP_DUMMY-CLDMA_AP_L2RIMR0+4);
    
    printk("[CCCI%d-DUMP]dump MD CLDMA Tx pdn register, active=%x\n",md->index+1, md_ctrl->txq_active);
    ccci_mem_dump(md->index, md_ctrl->cldma_md_pdn_base+CLDMA_AP_UL_START_ADDR_0, CLDMA_AP_UL_CHECKSUM_CHANNEL_ENABLE-CLDMA_AP_UL_START_ADDR_0+4);
    printk("[CCCI%d-DUMP]dump MD CLDMA Tx ao register, active=%x\n",md->index+1, md_ctrl->txq_active);
    ccci_mem_dump(md->index, md_ctrl->cldma_md_ao_base+CLDMA_AP_UL_START_ADDR_BK_0, CLDMA_AP_UL_CURRENT_ADDR_BK_7-CLDMA_AP_UL_START_ADDR_BK_0+4);

    printk("[CCCI%d-DUMP]dump MD CLDMA Rx pdn register, active=%x\n",md->index+1, md_ctrl->rxq_active);
    ccci_mem_dump(md->index, md_ctrl->cldma_md_pdn_base+CLDMA_AP_SO_ERROR, CLDMA_AP_SO_STOP_CMD-CLDMA_AP_SO_ERROR+4);
    printk("[CCCI%d-DUMP]dump MD CLDMA Rx ao register, active=%x\n",md->index+1, md_ctrl->rxq_active);
    ccci_mem_dump(md->index, md_ctrl->cldma_md_ao_base+CLDMA_AP_SO_CFG, CLDMA_AP_DEBUG_ID_EN-CLDMA_AP_SO_CFG+4);

    printk("[CCCI%d-DUMP]dump MD CLDMA MISC pdn register\n",md->index+1);
    ccci_mem_dump(md->index, md_ctrl->cldma_md_pdn_base+CLDMA_AP_L2TISAR0, CLDMA_AP_CLDMA_IP_BUSY-CLDMA_AP_L2TISAR0+4);
    printk("[CCCI%d-DUMP]dump MD CLDMA MISC ao register\n",md->index+1);
    ccci_mem_dump(md->index, md_ctrl->cldma_md_ao_base+CLDMA_AP_L2RIMR0, CLDMA_AP_DUMMY-CLDMA_AP_L2RIMR0+4);

}

int ccci_modem_remove(struct platform_device *dev)
{
	return 0;
}

void ccci_modem_shutdown(struct platform_device *dev)
{
}

int ccci_modem_suspend(struct platform_device *dev, pm_message_t state)
{
    struct ccci_modem *md = (struct ccci_modem *)dev->dev.platform_data;
    struct md_cd_ctrl *md_ctrl = (struct md_cd_ctrl *)md->private_data;
    CCCI_INF_MSG(md->index, TAG, "ccci_modem_suspend\n");
    return 0;
}

int ccci_modem_resume(struct platform_device *dev)
{
    struct ccci_modem *md = (struct ccci_modem *)dev->dev.platform_data;
    struct md_cd_ctrl *md_ctrl = (struct md_cd_ctrl *)md->private_data;
    CCCI_INF_MSG(md->index, TAG, "ccci_modem_resume\n");
	  return 0;
}

int ccci_modem_pm_suspend(struct device *device)
{
    struct platform_device *pdev = to_platform_device(device);
    BUG_ON(pdev == NULL);

    return ccci_modem_suspend(pdev, PMSG_SUSPEND);
}

int ccci_modem_pm_resume(struct device *device)
{
    struct platform_device *pdev = to_platform_device(device);
    BUG_ON(pdev == NULL);

    return ccci_modem_resume(pdev);
}

int ccci_modem_pm_restore_noirq(struct device *device)
{
	struct ccci_modem *md = (struct ccci_modem *)device->platform_data;
    struct md_cd_ctrl *md_ctrl = (struct md_cd_ctrl *)md->private_data;

	// set flag for next md_start
	md->config.setting |= MD_SETTING_RELOAD;
	md->config.setting |= MD_SETTING_FIRST_BOOT;	
    // restore IRQ
#ifdef FEATURE_PM_IPO_H
    irq_set_irq_type(md_ctrl->cldma_irq_id, IRQF_TRIGGER_HIGH); 
    irq_set_irq_type(md_ctrl->md_wdt_irq_id, IRQF_TRIGGER_FALLING); 
#endif
    return 0;
}


void ccci_modem_restore_reg(struct ccci_modem *md)
{
	struct md_cd_ctrl *md_ctrl = (struct md_cd_ctrl *)md->private_data;
	int i;
	unsigned long flags;

  if(md->md_state == GATED||md->md_state == RESET||md->md_state == INVALID){
    CCCI_INF_MSG(md->index, TAG, "Resume no need reset cldma for md_state=%d\n",md->md_state);
    return;
  }    
	cldma_write32(md_ctrl->ap_ccif_base, APCCIF_CON, 0x01); // arbitration

	if(cldma_read32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_TQSAR(0)))
	{
		CCCI_INF_MSG(md->index, TAG, "Resume cldma pdn register: No need  ...\n");
	}
	else
	{
		CCCI_INF_MSG(md->index, TAG, "Resume cldma pdn register ...11\n");
    	spin_lock_irqsave(&md_ctrl->cldma_timeout_lock, flags);
    	cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_HPQR, 0x00);
        // set checksum
        switch (CHECKSUM_SIZE) {
        case 0:
            cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_UL_CHECKSUM_CHANNEL_ENABLE, 0);
            break;
        case 12:
            cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_UL_CHECKSUM_CHANNEL_ENABLE, CLDMA_BM_ALL_QUEUE);
            cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_UL_CFG, cldma_read32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_UL_CFG)&~0x10);
             break;
        case 16:
            cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_UL_CHECKSUM_CHANNEL_ENABLE, CLDMA_BM_ALL_QUEUE);
            cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_UL_CFG, cldma_read32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_UL_CFG)|0x10);
            break;
        }
        // set start address
        for(i=0; i<QUEUE_LEN(md_ctrl->txq); i++) {
    		if(cldma_read32(md_ctrl->cldma_ap_ao_base, CLDMA_AP_TQCPBAK(md_ctrl->txq[i].index)) == 0){
    			CCCI_INF_MSG(md->index, TAG, "Resume CH(%d) current bak:== 0\n", i);
    			cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_TQSAR(md_ctrl->txq[i].index), md_ctrl->txq[i].tr_done->gpd_addr);
    			cldma_write32(md_ctrl->cldma_ap_ao_base, CLDMA_AP_TQSABAK(md_ctrl->txq[i].index), md_ctrl->txq[i].tr_done->gpd_addr);
    		}
    		else{
    			cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_TQSAR(md_ctrl->txq[i].index), cldma_read32(md_ctrl->cldma_ap_ao_base, CLDMA_AP_TQCPBAK(md_ctrl->txq[i].index)));
    			cldma_write32(md_ctrl->cldma_ap_ao_base, CLDMA_AP_TQSABAK(md_ctrl->txq[i].index), cldma_read32(md_ctrl->cldma_ap_ao_base, CLDMA_AP_TQCPBAK(md_ctrl->txq[i].index)));
    		}
        }
        wmb();
        // start all Tx and Rx queues
        cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_UL_START_CMD, CLDMA_BM_ALL_QUEUE);
        cldma_read32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_UL_START_CMD); // dummy read
        md_ctrl->txq_active |= CLDMA_BM_ALL_QUEUE;
        //cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_SO_START_CMD, CLDMA_BM_ALL_QUEUE);
        //cldma_read32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_SO_START_CMD); // dummy read
        //md_ctrl->rxq_active |= CLDMA_BM_ALL_QUEUE;
        // enable L2 DONE and ERROR interrupts
        cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_L2TIMCR0, CLDMA_BM_INT_DONE|CLDMA_BM_INT_ERROR);
        // enable all L3 interrupts
        cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_L3TIMCR0, CLDMA_BM_INT_ALL);
        cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_L3TIMCR1, CLDMA_BM_INT_ALL);
        cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_L3RIMCR0, CLDMA_BM_INT_ALL);
        cldma_write32(md_ctrl->cldma_ap_pdn_base, CLDMA_AP_L3RIMCR1, CLDMA_BM_INT_ALL);
        spin_unlock_irqrestore(&md_ctrl->cldma_timeout_lock, flags);
        CCCI_INF_MSG(md->index, TAG, "Resume cldma pdn register done\n");
    }
}


int ccci_modem_syssuspend(void)
{
CCCI_INF_MSG(0, TAG, "ccci_modem_syssuspend\n");
    return 0;
}

int ccci_modem_sysresume(void)
{
    CCCI_INF_MSG(0, TAG, "ccci_modem_sysresume\n");
    struct ccci_modem *md;
    md = ccci_get_modem_by_id(0);
    if(md!=NULL){
        ccci_modem_restore_reg(md);
    }
    return 0;
}