void baseband_xmm_set_power_status(unsigned int status) { struct baseband_power_platform_data *data = baseband_power_driver_data; int value = 0; unsigned long flags; pr_debug("%s\n", __func__); if (baseband_xmm_powerstate == status) return; switch (status) { case BBXMM_PS_L0: /*if (modem_sleep_flag) { pr_info("%s Resume from L3 without calling resume" "function\n", __func__); baseband_xmm_power_driver_handle_resume(data); }*/ pr_info("L0\n"); value = gpio_get_value(data->modem.xmm.ipc_hsic_active); pr_debug("before L0 ipc_hsic_active=%d\n", value); if (!value) { pr_debug("before L0 gpio set ipc_hsic_active=1 ->\n"); gpio_set_value(data->modem.xmm.ipc_hsic_active, 1); } if (modem_power_on) { modem_power_on = false; baseband_modem_power_on(data); } if (!wake_lock_active(&wakelock)) wake_lock(&wakelock); pr_debug("gpio host active high->\n"); break; case BBXMM_PS_L2: pr_info("L2\n"); wake_unlock(&wakelock); modem_sleep_flag = true; break; case BBXMM_PS_L3: if (baseband_xmm_powerstate == BBXMM_PS_L2TOL0) { if (!gpio_get_value(data->modem.xmm.ipc_ap_wake)) { spin_lock_irqsave(&xmm_lock, flags); wakeup_pending = true; spin_unlock_irqrestore(&xmm_lock, flags); pr_info("%s: L2 race condition-CP wakeup" " pending\n", __func__); } } pr_info("L3\n"); if (wake_lock_active(&wakelock)) { pr_info("%s: releasing wakelock before L3\n", __func__); wake_unlock(&wakelock); } if (register_hsic_device != true && wakeup_pending == false) { gpio_set_value(data->modem.xmm.ipc_hsic_active, 0); pr_debug("gpio host active low->\n"); } break; case BBXMM_PS_L2TOL0: /* do this only from L2 state */ if (baseband_xmm_powerstate == BBXMM_PS_L2) { baseband_xmm_powerstate = status; pr_debug("BB XMM POWER STATE = %d\n", status); baseband_xmm_power_L2_resume(); } else goto exit_without_state_change; default: break; } baseband_xmm_powerstate = status; pr_debug("BB XMM POWER STATE = %d\n", status); return; exit_without_state_change: pr_info("BB XMM POWER STATE = %d (not change to %d)\n", baseband_xmm_powerstate, status); return; }
void baseband_xmm_set_power_status(unsigned int status) { struct baseband_power_platform_data *data = baseband_power_driver_data; int value = 0; unsigned long flags; pr_debug("%s\n", __func__); if (baseband_xmm_powerstate == status) return; switch (status) { case BBXMM_PS_L0: if (modem_sleep_flag) { pr_info("%s Resume from L3 without calling resume" "function\n", __func__); baseband_xmm_power_driver_handle_resume(data); } pr_info("L0\n"); value = gpio_get_value(data->modem.xmm.ipc_hsic_active); pr_debug("before L0 ipc_hsic_active=%d\n", value); if (!value) { pr_debug("before L0 gpio set ipc_hsic_active=1 ->\n"); gpio_set_value(data->modem.xmm.ipc_hsic_active, 1); } if (modem_power_on) { modem_power_on = false; baseband_modem_power_on(data); } if (!wake_lock_active(&wakelock)) wake_lock(&wakelock); pr_debug("gpio host active high->\n"); break; case BBXMM_PS_L2: pr_info("L2\n"); wake_unlock(&wakelock); modem_sleep_flag = true; break; case BBXMM_PS_L3: if (baseband_xmm_powerstate == BBXMM_PS_L2TOL0) { if (!data->modem.xmm.ipc_ap_wake) { spin_lock_irqsave(&xmm_lock, flags); wakeup_pending = true; spin_unlock_irqrestore(&xmm_lock, flags); pr_info("%s: L2 race condition-CP wakeup" " pending\n", __func__); } } pr_info("L3\n"); if (wake_lock_active(&wakelock)) { pr_info("%s: releasing wakelock before L3\n", __func__); wake_unlock(&wakelock); } gpio_set_value(data->modem.xmm.ipc_hsic_active, 0); /* do this only from L2 state (going to suspend) */ if (baseband_xmm_powerstate == BBXMM_PS_L2) tegra_baseband_rail_off(); pr_debug("gpio host active low->\n"); break; case BBXMM_PS_L2TOL0: /* do this only from L2 state */ if (baseband_xmm_powerstate == BBXMM_PS_L2) { baseband_xmm_powerstate = status; pr_debug("BB XMM POWER STATE = %d\n", status); baseband_xmm_power_L2_resume(); } break; case BBXMM_PS_L3TOL0: /* poweron rail for L3 -> L0 (system resume) */ pr_debug("BB XMM L3 -> L0, turning on power rail.\n"); tegra_baseband_rail_on(); break; default: break; } baseband_xmm_powerstate = status; pr_debug("BB XMM POWER STATE = %d\n", status); }
void baseband_xmm_set_power_status(unsigned int status) { struct baseband_power_platform_data *data = baseband_power_driver_data; int value = 0; unsigned long flags; pr_debug("%s n(%d),o(%d)\n", __func__, status, baseband_xmm_powerstate ); if (baseband_xmm_powerstate == status) return; switch (status) { case BBXMM_PS_L0: if (modem_sleep_flag) { pr_debug("%s Resume from L3 without calling resume" "function\n", __func__); baseband_xmm_power_driver_handle_resume(data); } pr_debug("PM_ST : L0\n"); baseband_xmm_powerstate = status; if (!wake_lock_active(&wakelock)) wake_lock(&wakelock); value = gpio_get_value(data->modem.xmm.ipc_hsic_active); //pr_debug("GPIO [R]: before L0 Host_active = %d \n", value); if (!value) { gpio_set_value(data->modem.xmm.ipc_hsic_active, 1); pr_debug("GPIO [W]: L0 Host_active -> 1 \n"); } if (modem_power_on) { modem_power_on = false; baseband_modem_power_on(data); } pr_debug("gpio host active high->\n"); break; case BBXMM_PS_L2: pr_debug("PM_ST : L2\n"); baseband_xmm_powerstate = status; spin_lock_irqsave(&xmm_lock, flags); if (wakeup_pending) { spin_unlock_irqrestore(&xmm_lock, flags); baseband_xmm_power_L2_resume(); } else { spin_unlock_irqrestore(&xmm_lock, flags); if (wake_lock_active(&wakelock)) wake_unlock(&wakelock); modem_sleep_flag = true; } if (short_autosuspend && enable_short_autosuspend && &usbdev->dev) { pr_debug("autosuspend delay %d ms, disable short_autosuspend\n",DEFAULT_AUTOSUSPEND_DELAY); queue_work(workqueue_susp, &work_defaultsusp); short_autosuspend = false; } break; case BBXMM_PS_L3: if (baseband_xmm_powerstate == BBXMM_PS_L2TOL0) { if (!gpio_get_value(data->modem.xmm.ipc_ap_wake)) { spin_lock_irqsave(&xmm_lock, flags); wakeup_pending = true; spin_unlock_irqrestore(&xmm_lock, flags); pr_info("%s: L2 race condition-CP wakeup" " pending\n", __func__); } } pr_info("L3\n"); if (wake_lock_active(&wakelock)) { pr_debug("%s: releasing wakelock before L3\n", __func__); wake_unlock(&wakelock); } if (wakeup_pending == false) { gpio_set_value(data->modem.xmm.ipc_hsic_active, 0); pr_debug("gpio host active low->\n"); } break; case BBXMM_PS_L2TOL0: spin_lock_irqsave(&xmm_lock, flags); system_suspending = false; wakeup_pending = false; spin_unlock_irqrestore(&xmm_lock, flags); /* do this only from L2 state */ if (baseband_xmm_powerstate == BBXMM_PS_L2) { baseband_xmm_powerstate = status; pr_debug("BB XMM POWER STATE = %d\n", status); baseband_xmm_power_L2_resume(); } baseband_xmm_powerstate = status; break; default: baseband_xmm_powerstate = status; break; } pr_debug("BB XMM POWER STATE = %s(%d)\n", pwrstate_cmt[status], status); }