libtriple: implement pwrmngr cpufreq classes (mostly dummies)

libtriple/pwrmngr.cpp

@@ -0,0 +1,67 @@
+#include <stdio.h>
+
+#include "pwrmngr.h"
+#include "lt_debug.h"
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <avs/avs_inf.h>
+
+static const char * FILENAME = "pwrmngr.cpp";
+
+void cCpuFreqManager::Up(void) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); }
+void cCpuFreqManager::Down(void) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); }
+void cCpuFreqManager::Reset(void) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); }
+/* those function dummies return true or "harmless" values */
+bool cCpuFreqManager::SetDelta(unsigned long) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); return true; }
+unsigned long cCpuFreqManager::GetCpuFreq(void) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); return 0; }
+unsigned long cCpuFreqManager::GetDelta(void) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); return 0; }
+//
+cCpuFreqManager::cCpuFreqManager(void) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); }
+
+bool cPowerManager::SetState(PWR_STATE) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); return true; }
+
+bool cPowerManager::Open(void) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); return true; }
+void cPowerManager::Close(void) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); }
+//
+bool cPowerManager::SetStandby(bool Active, bool Passive)
+{
+	lt_debug("%s:%s(%d, %d)\n", FILENAME, __FUNCTION__, Active, Passive);
+	return true;
+}
+
+bool cCpuFreqManager::SetCpuFreq(unsigned long f)
+{
+	/* actually SetCpuFreq is used to determine if the system is in standby
+	   this is an "elegant" hack, because:
+	   * during a recording, cpu freq is kept "high", even if the box is sent to standby
+	   * the "SetStandby" call is made even if a recording is running
+	   On the TD, setting standby disables the frontend, so we must not do it
+	   if a recording is running.
+	   For now, the values in neutrino are hardcoded:
+	   * f == 0        => max => not standby
+	   * f == 50000000 => min => standby
+	 */
+	lt_debug("%s:%s(%lu)\n", FILENAME, __FUNCTION__, f);
+	int fd = open("/dev/stb/tdsystem", O_RDONLY);
+	if (fd < 0)
+	{
+		perror("open tdsystem");
+		return false;
+	}
+	if (f)
+		ioctl(fd, IOC_AVS_STANDBY_ENTER);
+	else
+		ioctl(fd, IOC_AVS_STANDBY_LEAVE);
+
+	close(fd);
+	return true;
+}
+
+//
+cPowerManager::cPowerManager(void) { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); }
+cPowerManager::~cPowerManager() { lt_debug("%s:%s\n", FILENAME, __FUNCTION__); }
+

libtriple/pwrmngr.h

@@ -0,0 +1,53 @@
+#ifndef __PWRMNGR_H__
+#define __PWRMNGR_H__
+
+// -- cCpuFreqManager ----------------------------------------------------------
+
+class cCpuFreqManager {
+private:
+	unsigned long			startCpuFreq;
+	unsigned long			delta;
+public:
+	void Up(void);
+	void Down(void);
+	void Reset(void);
+	//
+	bool SetCpuFreq(unsigned long CpuFreq);
+	bool SetDelta(unsigned long Delta);
+	unsigned long GetCpuFreq(void);
+	unsigned long GetDelta(void);
+	//
+	cCpuFreqManager(void);
+
+};
+
+// -- cPowerManageger ----------------------------------------------------------
+
+typedef enum
+{
+	PWR_INIT = 1,
+	PWR_FULL_ACTIVE, /* all devices/clocks up */
+	PWR_ACTIVE_STANDBY,
+	PWR_PASSIVE_STANDBY,
+	PWR_INVALID
+} PWR_STATE;
+
+class cPowerManager {
+private:
+	bool			init;
+	bool			opened;
+	PWR_STATE		powerState;
+	//
+	static void ApplicationCallback(void *, void *, signed long, void *, void *) {}
+	bool SetState(PWR_STATE PowerState);
+public:
+	bool Open(void);
+	void Close(void);
+	//
+	bool SetStandby(bool Active, bool Passive);
+	//
+	cPowerManager(void);
+	virtual ~cPowerManager();
+};
+
+#endif // __PWRMNGR_H__