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#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <mach/gpio-exynos4.h>
#include <plat/gpio-cfg.h>
#include <plat/devs.h>
#include <plat/ehci.h>
#include <linux/msm_charm.h>
#include <mach/mdm2.h>
#include "mdm_private.h"
#include <linux/cpufreq_pegasusq.h>
#include <mach/cpufreq.h>
#include <mach/dev.h>
static struct resource mdm_resources[] = {
{
.start = GPIO_MDM2AP_ERR_FATAL,
.end = GPIO_MDM2AP_ERR_FATAL,
.name = "MDM2AP_ERRFATAL",
.flags = IORESOURCE_IO,
},
{
.start = GPIO_AP2MDM_ERR_FATAL,
.end = GPIO_AP2MDM_ERR_FATAL,
.name = "AP2MDM_ERRFATAL",
.flags = IORESOURCE_IO,
},
{
.start = GPIO_MDM2AP_STATUS,
.end = GPIO_MDM2AP_STATUS,
.name = "MDM2AP_STATUS",
.flags = IORESOURCE_IO,
},
{
.start = GPIO_AP2MDM_STATUS,
.end = GPIO_AP2MDM_STATUS,
.name = "AP2MDM_STATUS",
.flags = IORESOURCE_IO,
},
{
.start = GPIO_AP2MDM_PON_RESET_N,
.end = GPIO_AP2MDM_PON_RESET_N,
.name = "AP2MDM_SOFT_RESET",
.flags = IORESOURCE_IO,
},
{
.start = GPIO_AP2MDM_PMIC_RESET_N,
.end = GPIO_AP2MDM_PMIC_RESET_N,
.name = "AP2MDM_PMIC_PWR_EN",
.flags = IORESOURCE_IO,
},
{
.start = GPIO_AP2MDM_WAKEUP,
.end = GPIO_AP2MDM_WAKEUP,
.name = "AP2MDM_WAKEUP",
.flags = IORESOURCE_IO,
},
#ifdef CONFIG_SIM_DETECT
{
.start = GPIO_SIM_DETECT,
.end = GPIO_SIM_DETECT,
.name = "SIM_DETECT",
.flags = IORESOURCE_IO,
},
#endif
};
#ifdef CONFIG_MDM_HSIC_PM
static struct resource mdm_pm_resource[] = {
{
.start = GPIO_AP2MDM_HSIC_PORT_ACTIVE,
.end = GPIO_AP2MDM_HSIC_PORT_ACTIVE,
.name = "AP2MDM_HSIC_ACTIVE",
.flags = IORESOURCE_IO,
},
{
.start = GPIO_MDM2AP_HSIC_PWR_ACTIVE,
.end = GPIO_MDM2AP_HSIC_PWR_ACTIVE,
.name = "MDM2AP_DEVICE_PWR_ACTIVE",
.flags = IORESOURCE_IO,
},
{
.start = GPIO_MDM2AP_HSIC_RESUME_REQ,
.end = GPIO_MDM2AP_HSIC_RESUME_REQ,
.name = "MDM2AP_RESUME_REQ",
.flags = IORESOURCE_IO,
},
};
static int exynos_frequency_lock(struct device *dev);
static int exynos_frequency_unlock(struct device *dev);
static struct mdm_hsic_pm_platform_data mdm_hsic_pm_pdata = {
.freqlock = ATOMIC_INIT(0),
.freq_lock = exynos_frequency_lock,
.freq_unlock = exynos_frequency_unlock,
};
struct platform_device mdm_pm_device = {
.name = "mdm_hsic_pm0",
.id = -1,
.num_resources = ARRAY_SIZE(mdm_pm_resource),
.resource = mdm_pm_resource,
};
#endif
static struct mdm_platform_data mdm_platform_data = {
.mdm_version = "3.0",
.ramdump_delay_ms = 3000,
.early_power_on = 1,
.sfr_query = 0,
.vddmin_resource = NULL,
#ifdef CONFIG_USB_EHCI_S5P
.peripheral_platform_device_ehci = &s5p_device_ehci,
#endif
#ifdef CONFIG_USB_OHCI_S5P
.peripheral_platform_device_ohci = &s5p_device_ohci,
#endif
.ramdump_timeout_ms = 120000,
#if (defined(CONFIG_MACH_P4NOTE) || defined(CONFIG_MACH_SP7160LTE) || defined(CONFIG_MACH_TAB3)) && defined(CONFIG_QC_MODEM) \
&& defined(CONFIG_SIM_DETECT)
.sim_polarity = 0,
#endif
#if (defined(CONFIG_MACH_GC1_USA_VZW) || defined(CONFIG_TARGET_LOCALE_EUR)) \
&& defined(CONFIG_QC_MODEM) && defined(CONFIG_SIM_DETECT)
.sim_polarity = 1,
#endif
};
static int exynos_frequency_lock(struct device *dev)
{
unsigned int level, cpufreq = 1400; /* 200 ~ 1400 */
unsigned int busfreq = 400200; /* 100100 ~ 400200 */
int ret = 0;
struct device *busdev = dev_get("exynos-busfreq");
if (atomic_read(&mdm_hsic_pm_pdata.freqlock) == 0) {
/* cpu frequency lock */
ret = exynos_cpufreq_get_level(cpufreq * 1000, &level);
if (ret < 0) {
pr_err("ERR: exynos_cpufreq_get_level fail: %d\n",
ret);
goto exit;
}
ret = exynos_cpufreq_lock(DVFS_LOCK_ID_USB_IF, level);
if (ret < 0) {
pr_err("ERR: exynos_cpufreq_lock fail: %d\n", ret);
goto exit;
}
/* bus frequncy lock */
if (!busdev) {
pr_err("ERR: busdev is not exist\n");
ret = -ENODEV;
goto exit;
}
ret = dev_lock(busdev, dev, busfreq);
if (ret < 0) {
pr_err("ERR: dev_lock error: %d\n", ret);
goto exit;
}
/* lock minimum number of cpu cores */
cpufreq_pegasusq_min_cpu_lock(2);
atomic_set(&mdm_hsic_pm_pdata.freqlock, 1);
pr_debug("level=%d, cpufreq=%d MHz, busfreq=%06d\n",
level, cpufreq, busfreq);
}
exit:
return ret;
}
static int exynos_frequency_unlock(struct device *dev)
{
int ret = 0;
struct device *busdev = dev_get("exynos-busfreq");
if (atomic_read(&mdm_hsic_pm_pdata.freqlock) == 1) {
/* cpu frequency unlock */
exynos_cpufreq_lock_free(DVFS_LOCK_ID_USB_IF);
/* bus frequency unlock */
ret = dev_unlock(busdev, dev);
if (ret < 0) {
pr_err("ERR: dev_unlock error: %d\n", ret);
goto exit;
}
/* unlock minimum number of cpu cores */
cpufreq_pegasusq_min_cpu_unlock();
atomic_set(&mdm_hsic_pm_pdata.freqlock, 0);
pr_debug("success\n");
}
exit:
return ret;
}
struct platform_device mdm_device = {
.name = "mdm2_modem",
.id = -1,
.num_resources = ARRAY_SIZE(mdm_resources),
.resource = mdm_resources,
};
static int __init init_mdm_modem(void)
{
int ret;
pr_info("%s: registering modem dev, pm dev\n", __func__);
mdm_pm_device.dev.platform_data = &mdm_hsic_pm_pdata;
((struct mdm_hsic_pm_platform_data *)
mdm_pm_device.dev.platform_data)->dev =
&mdm_pm_device.dev;
#ifdef CONFIG_MDM_HSIC_PM
ret = platform_device_register(&mdm_pm_device);
if (ret < 0) {
pr_err("%s: fail to register mdm hsic pm dev(err:%d)\n",
__func__, ret);
return ret;
}
#endif
#if defined(CONFIG_MACH_P4NOTE) && defined(CONFIG_QC_MODEM) \
&& defined(CONFIG_SIM_DETECT)
mdm_platform_data.sim_polarity = 0;
#endif
#if defined(CONFIG_MACH_KONALTE_USA_ATT) && defined(CONFIG_QC_MODEM) \
&& defined(CONFIG_SIM_DETECT)
if (system_rev != 9 && system_rev >= 1)
mdm_platform_data.sim_polarity = 0;
else
mdm_platform_data.sim_polarity = 1;
#endif
mdm_device.dev.platform_data = &mdm_platform_data;
ret = platform_device_register(&mdm_device);
if (ret < 0) {
pr_err("%s: fail to register mdm modem dev(err:%d)\n",
__func__, ret);
return ret;
}
return 0;
}
module_init(init_mdm_modem);
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