modem/alt1250: Add implements for PM notify() function

Add detail implementation for PM notify() callback function. This function adds processing to put ALT1250 into hibernation mode.
SPRESENSE · Jan 26, 2023 · 0d5ea8d · 0d5ea8d
1 parent 53f9cfa
commit 0d5ea8d
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Showing 5 changed files with 48 additions and 15 deletions.
diff --git a/drivers/modem/alt1250/alt1250.c b/drivers/modem/alt1250/alt1250.c
@@ -649,6 +649,7 @@ static int alt1250_power_control(FAR struct alt1250_dev_s *dev,
 
 #ifdef CONFIG_PM
       case LTE_CMDID_STOPAPI:
+      case LTE_CMDID_SUSPEND:
         alt1250_receive_daemon_response(req);
         break;
 #endif
@@ -1406,7 +1407,37 @@ static int alt1250_pm_prepare(struct pm_callback_s *cb, int domain,
 static void alt1250_pm_notify(struct pm_callback_s *cb, int domain,
                               enum pm_state_e pmstate)
 {
-  /* TODO: Implement Notify process */
+  bool power;
+
+  /* ALT1250's power management only supports BOARD_PM_APPS */
+
+  if ((domain == BOARD_PM_APPS) && (pmstate == PM_SLEEP))
+    {
+      power = altmdm_get_powersupply(g_alt1250_dev->lower);
+
+      if (power)
+        {
+          /* Set retry mode for SPI driver */
+
+          altmdm_set_pm_event(EVENT_RETRYREQ, true);
+
+          /* Send suspend request to daemon */
+
+          alt1250_send_daemon_request(ALT1250_EVTBIT_SUSPEND);
+
+          /* Set suspend mode for SPI driver */
+
+          altmdm_set_pm_event(EVENT_SUSPEND, true);
+
+          /* Waiting for entering sleep state */
+
+          nxsem_wait_uninterruptible(&g_alt1250_dev->rxthread_sem);
+
+          /* Enable LTE hibernation mode for wakeup from LTE */
+
+          g_alt1250_dev->lower->hiber_mode(true);
+        }
+    }
 }
 #endif
 

diff --git a/drivers/modem/alt1250/altmdm.c b/drivers/modem/alt1250/altmdm.c
@@ -45,18 +45,6 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#define EVENT_POWERON  (1 << 0)
-#define EVENT_POWEROFF (1 << 1)
-#define EVENT_RESET    (1 << 2)
-#define EVENT_WLOCK    (1 << 3)
-#define EVENT_TXREQ    (1 << 4)
-#define EVENT_RXREQ    (1 << 5)
-#define EVENT_TXSUSTO  (1 << 6)
-#define EVENT_DESTROY  (1 << 7)
-#define EVENT_SUSPEND  (1 << 8)
-#define EVENT_RESUME   (1 << 9)
-#define EVENT_RETRYREQ (1 << 10)
-
 #define TX_DONE        (1 << 0)
 #define TX_CANCEL      (1 << 1)
 

diff --git a/drivers/modem/alt1250/altmdm.h b/drivers/modem/alt1250/altmdm.h
@@ -33,6 +33,18 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
+#define EVENT_POWERON  (1 << 0)
+#define EVENT_POWEROFF (1 << 1)
+#define EVENT_RESET    (1 << 2)
+#define EVENT_WLOCK    (1 << 3)
+#define EVENT_TXREQ    (1 << 4)
+#define EVENT_RXREQ    (1 << 5)
+#define EVENT_TXSUSTO  (1 << 6)
+#define EVENT_DESTROY  (1 << 7)
+#define EVENT_SUSPEND  (1 << 8)
+#define EVENT_RESUME   (1 << 9)
+#define EVENT_RETRYREQ (1 << 10)
+
 #define ALTMDM_RETURN_RESET_V1  (-1)
 #define ALTMDM_RETURN_NOTREADY  (-2)
 #define ALTMDM_RETURN_CANCELED  (-3)

diff --git a/include/nuttx/modem/alt1250.h b/include/nuttx/modem/alt1250.h
@@ -57,9 +57,10 @@
 #define ALT1250_IOC_SETEVTBUFF      _MODEMIOC(3)
 #define ALT1250_IOC_EXCHGCONTAINER  _MODEMIOC(4)
 
-#define ALT1250_EVTBIT_RESET (1ULL << 63)
-#define ALT1250_EVTBIT_REPLY (1ULL << 62)
+#define ALT1250_EVTBIT_RESET   (1ULL << 63)
+#define ALT1250_EVTBIT_REPLY   (1ULL << 62)
 #define ALT1250_EVTBIT_STOPAPI (1ULL << 61)
+#define ALT1250_EVTBIT_SUSPEND (1ULL << 60)
 
 /* Number of sockets */
 

diff --git a/include/nuttx/wireless/lte/lte_ioctl.h b/include/nuttx/wireless/lte/lte_ioctl.h
@@ -152,6 +152,7 @@
 #define LTE_CMDID_LOGLSEEK                       _CMDGRP_NORMAL(0x39)
 #define LTE_CMDID_LOGREMOVE                      _CMDGRP_NORMAL(0x3a)
 #define LTE_CMDID_STOPAPI                        _CMDGRP_NORMAL(0x3b)
+#define LTE_CMDID_SUSPEND                        _CMDGRP_NORMAL(0x3c)
 
 #define LTE_CMDID_ACCEPT                         _CMDGRP_NORMAL(0x50)
 #define LTE_CMDID_BIND                           _CMDGRP_NORMAL(0x51)