ARM: OMAP: dmtimer: low-power mode support

[linux-2.6-block.git] / arch / arm / plat-omap / include / plat / dmtimer.h

diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index 29764c34f57196d4f1051ddac187b513fc4ba9b4..9519d87179e103e0a5caf3d72afd8437e369c246 100644 (file)
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -73,11 +73,38 @@ struct omap_timer_capability_dev_attr {
 struct omap_dm_timer;
 struct clk;
 
+struct timer_regs {
+       u32 tidr;
+       u32 tiocp_cfg;
+       u32 tistat;
+       u32 tisr;
+       u32 tier;
+       u32 twer;
+       u32 tclr;
+       u32 tcrr;
+       u32 tldr;
+       u32 ttrg;
+       u32 twps;
+       u32 tmar;
+       u32 tcar1;
+       u32 tsicr;
+       u32 tcar2;
+       u32 tpir;
+       u32 tnir;
+       u32 tcvr;
+       u32 tocr;
+       u32 towr;
+};
+
 struct dmtimer_platform_data {
        int (*set_timer_src)(struct platform_device *pdev, int source);
        int timer_ip_version;
        u32 needs_manual_reset:1;
        bool reserved;
+
+       bool loses_context;
+
+       u32 (*get_context_loss_count)(struct device *dev);
 };
 
 struct omap_dm_timer *omap_dm_timer_request(void);
@@ -245,8 +272,14 @@ struct omap_dm_timer {
        unsigned long rate;
        unsigned reserved:1;
        unsigned posted:1;
+       struct timer_regs context;
+       bool loses_context;
+       int ctx_loss_count;
+       int revision;
        struct platform_device *pdev;
        struct list_head node;
+
+       u32 (*get_context_loss_count)(struct device *dev);
 };
 
 int omap_dm_timer_prepare(struct omap_dm_timer *timer);
@@ -278,6 +311,7 @@ static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer)
        /* Assume v1 ip if bits [31:16] are zero */
        tidr = __raw_readl(timer->io_base);
        if (!(tidr >> 16)) {
+               timer->revision = 1;
                timer->sys_stat = timer->io_base +
                                OMAP_TIMER_V1_SYS_STAT_OFFSET;
                timer->irq_stat = timer->io_base + OMAP_TIMER_V1_STAT_OFFSET;
@@ -286,6 +320,7 @@ static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer)
                timer->pend = timer->io_base + _OMAP_TIMER_WRITE_PEND_OFFSET;
                timer->func_base = timer->io_base;
        } else {
+               timer->revision = 2;
                timer->sys_stat = 0;
                timer->irq_stat = timer->io_base + OMAP_TIMER_V2_IRQSTATUS;
                timer->irq_ena = timer->io_base + OMAP_TIMER_V2_IRQENABLE_SET;