diff options
Diffstat (limited to 'arch/arm/mach-exynos/board-m0-modems.c')
| -rw-r--r-- | arch/arm/mach-exynos/board-m0-modems.c | 178 |
1 files changed, 146 insertions, 32 deletions
diff --git a/arch/arm/mach-exynos/board-m0-modems.c b/arch/arm/mach-exynos/board-m0-modems.c index 76e9ab9..4139c79 100644 --- a/arch/arm/mach-exynos/board-m0-modems.c +++ b/arch/arm/mach-exynos/board-m0-modems.c @@ -17,12 +17,16 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/irq.h> +#include <linux/interrupt.h> #include <linux/gpio.h> #include <mach/gpio-exynos4.h> #include <plat/gpio-cfg.h> #include <linux/clk.h> #include <linux/err.h> #include <linux/delay.h> +#include <linux/usb.h> +#include <linux/usb/hcd.h> +#include <linux/usb/ehci_def.h> #include <linux/platform_data/modem.h> #include <mach/sec_modem.h> @@ -131,6 +135,81 @@ static int umts_link_ldo_enble(bool enable) return 0; } +#ifdef EHCI_REG_DUMP +struct dump_ehci_regs { + unsigned caps_hc_capbase; + unsigned caps_hcs_params; + unsigned caps_hcc_params; + unsigned reserved0; + struct ehci_regs regs; + unsigned port_usb; /*0x54*/ + unsigned port_hsic0; + unsigned port_hsic1; + unsigned reserved[12]; + unsigned insnreg00; /*0x90*/ + unsigned insnreg01; + unsigned insnreg02; + unsigned insnreg03; + unsigned insnreg04; + unsigned insnreg05; + unsigned insnreg06; + unsigned insnreg07; +}; + +struct s5p_ehci_hcd_stub { + struct device *dev; + struct usb_hcd *hcd; + struct clk *clk; + int power_on; +}; +/* for EHCI register dump */ +struct dump_ehci_regs sec_debug_ehci_regs; + +#define pr_hcd(s, r) printk(KERN_DEBUG "hcd reg(%s):\t 0x%08x\n", s, r) +static void print_ehci_regs(struct dump_ehci_regs *base) +{ + pr_hcd("HCCPBASE", base->caps_hc_capbase); + pr_hcd("HCSPARAMS", base->caps_hcs_params); + pr_hcd("HCCPARAMS", base->caps_hcc_params); + pr_hcd("USBCMD", base->regs.command); + pr_hcd("USBSTS", base->regs.status); + pr_hcd("USBINTR", base->regs.intr_enable); + pr_hcd("FRINDEX", base->regs.frame_index); + pr_hcd("CTRLDSSEGMENT", base->regs.segment); + pr_hcd("PERIODICLISTBASE", base->regs.frame_list); + pr_hcd("ASYNCLISTADDR", base->regs.async_next); + pr_hcd("CONFIGFLAG", base->regs.configured_flag); + pr_hcd("PORT0 Status/Control", base->port_usb); + pr_hcd("PORT1 Status/Control", base->port_hsic0); + pr_hcd("PORT2 Status/Control", base->port_hsic1); + pr_hcd("INSNREG00", base->insnreg00); + pr_hcd("INSNREG01", base->insnreg01); + pr_hcd("INSNREG02", base->insnreg02); + pr_hcd("INSNREG03", base->insnreg03); + pr_hcd("INSNREG04", base->insnreg04); + pr_hcd("INSNREG05", base->insnreg05); + pr_hcd("INSNREG06", base->insnreg06); + pr_hcd("INSNREG07", base->insnreg07); +} + +static void debug_ehci_reg_dump(struct device *hdev) +{ + struct s5p_ehci_hcd_stub *s5p_ehci = dev_get_drvdata(hdev); + struct usb_hcd *hcd = s5p_ehci->hcd; + char *buf = (char *)&sec_debug_ehci_regs; + + if (s5p_ehci->power_on && hcd) { + memcpy(buf, hcd->regs, 0xB); + memcpy(buf + 0x10, hcd->regs + 0x10, 0x1F); + memcpy(buf + 0x50, hcd->regs + 0x50, 0xF); + memcpy(buf + 0x90, hcd->regs + 0x90, 0x1F); + print_ehci_regs(hcd->regs); + } +} +#else +#define debug_ehci_reg_dump (NULL) +#endif + static int umts_link_reconnect(void); static struct modemlink_pm_data modem_link_pm_data = { .name = "link_pm", @@ -140,6 +219,7 @@ static struct modemlink_pm_data modem_link_pm_data = { .gpio_link_hostwake = GPIO_IPC_HOST_WAKEUP, .gpio_link_slavewake = GPIO_IPC_SLAVE_WAKEUP, .link_reconnect = umts_link_reconnect, + .ehci_reg_dump = debug_ehci_reg_dump, }; static struct modemlink_pm_link_activectl active_ctl; @@ -147,9 +227,6 @@ static struct modemlink_pm_link_activectl active_ctl; static void xmm_gpio_revers_bias_clear(void); static void xmm_gpio_revers_bias_restore(void); -#ifndef GPIO_AP_DUMP_INT -#define GPIO_AP_DUMP_INT 0 -#endif static struct modem_data umts_modem_data = { .name = "xmm6262", @@ -159,10 +236,22 @@ static struct modem_data umts_modem_data = { .gpio_pda_active = GPIO_PDA_ACTIVE, .gpio_phone_active = GPIO_PHONE_ACTIVE, .gpio_cp_dump_int = GPIO_CP_DUMP_INT, +#ifdef GPIO_AP_DUMP_INT .gpio_ap_dump_int = GPIO_AP_DUMP_INT, +#endif .gpio_flm_uart_sel = 0, .gpio_cp_warm_reset = 0, +#ifdef CONFIG_SEC_DUAL_MODEM_MODE + .gpio_sim_io_sel = GPIO_SIM_IO_SEL, + .gpio_cp_ctrl1 = GPIO_CP_CTRL1, + .gpio_cp_ctrl2 = GPIO_CP_CTRL2, +#endif + +#ifdef GPIO_SIM_DETECT + .gpio_sim_detect = GPIO_SIM_DETECT, +#endif + .modem_type = IMC_XMM6262, .link_types = LINKTYPE(LINKDEV_HSIC), .modem_net = UMTS_NETWORK, @@ -266,10 +355,11 @@ static int umts_link_reconnect(void) return 0; } + /* if use more than one modem device, then set id num */ static struct platform_device umts_modem = { .name = "modem_if", - .id = -1, + .id = 1, .num_resources = ARRAY_SIZE(umts_modem_res), .resource = umts_modem_res, .dev = { @@ -289,7 +379,14 @@ static void umts_modem_cfg_gpio(void) unsigned gpio_cp_dump_int = umts_modem_data.gpio_cp_dump_int; unsigned gpio_ap_dump_int = umts_modem_data.gpio_ap_dump_int; unsigned gpio_flm_uart_sel = umts_modem_data.gpio_flm_uart_sel; - /* unsigned irq_phone_active = umts_modem_res[0].start; */ + unsigned gpio_sim_detect = umts_modem_data.gpio_sim_detect; + //unsigned irq_phone_active = umts_modem_res[0].start; + +#ifdef CONFIG_SEC_DUAL_MODEM_MODE + unsigned gpio_sim_io_sel = umts_modem_data.gpio_sim_io_sel; + unsigned gpio_cp_ctrl1 = umts_modem_data.gpio_cp_ctrl1; + unsigned gpio_cp_ctrl2 = umts_modem_data.gpio_cp_ctrl2; +#endif if (gpio_reset_req_n) { err = gpio_request(gpio_reset_req_n, "RESET_REQ_N"); @@ -339,6 +436,19 @@ static void umts_modem_cfg_gpio(void) pr_err(LOG_TAG "check phone active = %d\n", gpio_phone_active); } + if (gpio_sim_detect) { + err = gpio_request(gpio_sim_detect, "SIM_DETECT"); + if (err) + printk(KERN_ERR "fail to request gpio %s: %d\n", + "SIM_DETECT", err); + + /* gpio_direction_input(gpio_sim_detect); */ + s3c_gpio_cfgpin(gpio_sim_detect, S3C_GPIO_SFN(0xF)); + s3c_gpio_setpull(gpio_sim_detect, S3C_GPIO_PULL_NONE); + irq_set_irq_type(gpio_to_irq(gpio_sim_detect), + IRQ_TYPE_EDGE_BOTH); + } + if (gpio_cp_dump_int) { err = gpio_request(gpio_cp_dump_int, "CP_DUMP_INT"); if (err) { @@ -348,7 +458,7 @@ static void umts_modem_cfg_gpio(void) gpio_direction_input(gpio_cp_dump_int); } - if (gpio_ap_dump_int /*&& system_rev >= 11*/) { /* MO rev1.0*/ + if (gpio_ap_dump_int) { err = gpio_request(gpio_ap_dump_int, "AP_DUMP_INT"); if (err) { pr_err(LOG_TAG "fail to request gpio %s : %d\n", @@ -370,22 +480,6 @@ static void umts_modem_cfg_gpio(void) irq_set_irq_type(gpio_to_irq(gpio_phone_active), IRQ_TYPE_LEVEL_HIGH); /* set low unused gpios between AP and CP */ - err = gpio_request(GPIO_FLM_RXD, "FLM_RXD"); - if (err) - pr_err(LOG_TAG "fail to request gpio %s : %d\n", "FLM_RXD", - err); - else { - gpio_direction_output(GPIO_FLM_RXD, 0); - s3c_gpio_setpull(GPIO_FLM_RXD, S3C_GPIO_PULL_NONE); - } - err = gpio_request(GPIO_FLM_TXD, "FLM_TXD"); - if (err) - pr_err(LOG_TAG "fail to request gpio %s : %d\n", "FLM_TXD", - err); - else { - gpio_direction_output(GPIO_FLM_TXD, 0); - s3c_gpio_setpull(GPIO_FLM_TXD, S3C_GPIO_PULL_NONE); - } err = gpio_request(GPIO_SUSPEND_REQUEST, "SUS_REQ"); if (err) pr_err(LOG_TAG "fail to request gpio %s : %d\n", "SUS_REQ", @@ -394,15 +488,6 @@ static void umts_modem_cfg_gpio(void) gpio_direction_output(GPIO_SUSPEND_REQUEST, 0); s3c_gpio_setpull(GPIO_SUSPEND_REQUEST, S3C_GPIO_PULL_NONE); } - err = gpio_request(GPIO_GPS_CNTL, "GPS_CNTL"); - if (err) - pr_err(LOG_TAG "fail to request gpio %s : %d\n", "GPS_CNTL", - err); - else { - gpio_direction_output(GPIO_GPS_CNTL, 0); - s3c_gpio_setpull(GPIO_GPS_CNTL, S3C_GPIO_PULL_NONE); - } - pr_info(LOG_TAG "umts_modem_cfg_gpio done\n"); } @@ -415,15 +500,29 @@ static void xmm_gpio_revers_bias_clear(void) gpio_direction_output(modem_link_pm_data.gpio_link_hostwake, 0); gpio_direction_output(modem_link_pm_data.gpio_link_slavewake, 0); + if (umts_modem_data.gpio_sim_detect) + gpio_direction_output(umts_modem_data.gpio_sim_detect, 0); + msleep(20); } static void xmm_gpio_revers_bias_restore(void) { + unsigned gpio_sim_detect = umts_modem_data.gpio_sim_detect; + s3c_gpio_cfgpin(umts_modem_data.gpio_phone_active, S3C_GPIO_SFN(0xF)); s3c_gpio_cfgpin(modem_link_pm_data.gpio_link_hostwake, S3C_GPIO_SFN(0xF)); gpio_direction_input(umts_modem_data.gpio_cp_dump_int); + + if (gpio_sim_detect) { + gpio_direction_input(gpio_sim_detect); + s3c_gpio_cfgpin(gpio_sim_detect, S3C_GPIO_SFN(0xF)); + s3c_gpio_setpull(gpio_sim_detect, S3C_GPIO_PULL_NONE); + irq_set_irq_type(gpio_to_irq(gpio_sim_detect), + IRQ_TYPE_EDGE_BOTH); + enable_irq_wake(gpio_to_irq(gpio_sim_detect)); + } } static void modem_link_pm_config_gpio(void) @@ -481,6 +580,20 @@ static void modem_link_pm_config_gpio(void) pr_info(LOG_TAG "modem_link_pm_config_gpio done\n"); } +static void board_set_simdetect_polarity(void) +{ + if (umts_modem_data.gpio_sim_detect) { +#if defined(CONFIG_MACH_GC1) + if (system_rev >= 6) /* GD1 3G real B'd*/ + umts_modem_data.sim_polarity = 1; + else + umts_modem_data.sim_polarity = 0; +#else + umts_modem_data.sim_polarity = 0; +#endif + } +} + static int __init init_modem(void) { int ret; @@ -489,9 +602,10 @@ static int __init init_modem(void) /* umts gpios configuration */ umts_modem_cfg_gpio(); modem_link_pm_config_gpio(); + board_set_simdetect_polarity(); ret = platform_device_register(&umts_modem); if (ret < 0) - return ret; + pr_err("(%s) register fail\n", umts_modem.name); return ret; } |