msm: pm-8x60: Refactor to remove dependencies on rpm_resources.c

With 8974 family of chipsets, lpm_levels replaces the functionality
provided by rpm_resources. Expose function pointers that can be
overwritten by respective resource drivers at probe time.

Change-Id: Ifd577f9aca6457c0caad6205bcaf562e0162a2e2
Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org>
diff --git a/arch/arm/mach-msm/pm.h b/arch/arm/mach-msm/pm.h
index ce0d747..0d5101d 100644
--- a/arch/arm/mach-msm/pm.h
+++ b/arch/arm/mach-msm/pm.h
@@ -76,6 +76,16 @@
 	uint32_t mask;
 };
 
+struct msm_pm_sleep_ops {
+	void *(*lowest_limits)(bool from_idle,
+			enum msm_pm_sleep_mode sleep_mode, uint32_t latency_us,
+			uint32_t sleep_us, uint32_t *power);
+	int (*enter_sleep)(uint32_t sclk_count, void *limits,
+			bool from_idle, bool notify_rpm);
+	void (*exit_sleep)(void *limits, bool from_idle,
+			bool notify_rpm, bool collapsed);
+};
+
 void msm_pm_set_platform_data(struct msm_pm_platform_data *data, int count);
 void msm_pm_set_irq_extns(struct msm_pm_irq_calls *irq_calls);
 int msm_pm_idle_prepare(struct cpuidle_device *dev);
@@ -90,12 +100,13 @@
 void msm_pm_set_rpm_wakeup_irq(unsigned int irq);
 int msm_pm_wait_cpu_shutdown(unsigned int cpu);
 bool msm_pm_verify_cpu_pc(unsigned int cpu);
+void msm_pm_set_sleep_ops(struct msm_pm_sleep_ops *ops);
 #else
 static inline void msm_pm_set_rpm_wakeup_irq(unsigned int irq) {}
 static inline int msm_pm_wait_cpu_shutdown(unsigned int cpu) { return 0; }
 static inline bool msm_pm_verify_cpu_pc(unsigned int cpu) { return true; }
+static inline void msm_pm_set_sleep_ops(struct msm_pm_sleep_ops *ops) {}
 #endif
-
 #ifdef CONFIG_HOTPLUG_CPU
 int msm_platform_secondary_init(unsigned int cpu);
 #else