#define MAILBOX_IRQ_NEWMSG(u) (1 << (2 * (u)))
#define MAILBOX_IRQ_NOTFULL(u) (1 << (2 * (u) + 1))
+#define MBOX_REG_SIZE 0x120
+#define MBOX_NR_REGS (MBOX_REG_SIZE / sizeof(u32))
+
static void __iomem *mbox_base;
struct omap_mbox2_fifo {
unsigned long irqstatus;
u32 newmsg_bit;
u32 notfull_bit;
+ u32 ctx[MBOX_NR_REGS];
};
static struct clk *mbox_ick_handle;
}
clk_enable(mbox_ick_handle);
+ l = mbox_read_reg(MAILBOX_REVISION);
+ pr_info("omap mailbox rev %d.%d\n", (l & 0xf0) >> 4, (l & 0x0f));
+
/* set smart-idle & autoidle */
l = mbox_read_reg(MAILBOX_SYSCONFIG);
l |= 0x00000011;
return (enable & status & bit);
}
+static void omap2_mbox_save_ctx(struct omap_mbox *mbox)
+{
+ int i;
+ struct omap_mbox2_priv *p = mbox->priv;
+
+ for (i = 0; i < MBOX_NR_REGS; i++) {
+ p->ctx[i] = mbox_read_reg(i * sizeof(u32));
+
+ dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,
+ i, p->ctx[i]);
+ }
+}
+
+static void omap2_mbox_restore_ctx(struct omap_mbox *mbox)
+{
+ int i;
+ struct omap_mbox2_priv *p = mbox->priv;
+
+ for (i = 0; i < MBOX_NR_REGS; i++) {
+ mbox_write_reg(p->ctx[i], i * sizeof(u32));
+
+ dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,
+ i, p->ctx[i]);
+ }
+}
+
static struct omap_mbox_ops omap2_mbox_ops = {
.type = OMAP_MBOX_TYPE2,
.startup = omap2_mbox_startup,
.disable_irq = omap2_mbox_disable_irq,
.ack_irq = omap2_mbox_ack_irq,
.is_irq = omap2_mbox_is_irq,
+ .save_ctx = omap2_mbox_save_ctx,
+ .restore_ctx = omap2_mbox_restore_ctx,
};
/*
};
#endif
-static int __init omap2_mbox_probe(struct platform_device *pdev)
+static int __devinit omap2_mbox_probe(struct platform_device *pdev)
{
struct resource *res;
int ret;
goto err_dsp;
}
- ret = omap_mbox_register(&mbox_dsp_info);
+ ret = omap_mbox_register(&pdev->dev, &mbox_dsp_info);
if (ret)
goto err_dsp;
goto err_iva1;
}
mbox_iva_info.irq = res->start;
- ret = omap_mbox_register(&mbox_iva_info);
+ ret = omap_mbox_register(&pdev->dev, &mbox_iva_info);
if (ret)
goto err_iva1;
}
return ret;
}
-static int omap2_mbox_remove(struct platform_device *pdev)
+static int __devexit omap2_mbox_remove(struct platform_device *pdev)
{
#if defined(CONFIG_ARCH_OMAP2420)
omap_mbox_unregister(&mbox_iva_info);
static struct platform_driver omap2_mbox_driver = {
.probe = omap2_mbox_probe,
- .remove = omap2_mbox_remove,
+ .remove = __devexit_p(omap2_mbox_remove),
.driver = {
- .name = "mailbox",
+ .name = "omap2-mailbox",
},
};
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("omap mailbox: omap2/3 architecture specific functions");
MODULE_AUTHOR("Hiroshi DOYU <Hiroshi.DOYU@nokia.com>, Paul Mundt");
+MODULE_ALIAS("platform:omap2-mailbox");