ARM: OMAP: DSPGW: Peripheral (kfunc) control

[linux-2.6-omap-h63xx.git] / arch / arm / plat-omap / devices.c

diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index e3e2bd50aa48539d8106425de2145428d5c8f487..070c627bcb0c40bdc8a3730c3938d2c85dfd1c7d 100644 (file)
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -29,6 +29,10 @@
 
 #include "../plat-omap/dsp/dsp_common.h"
 
+static struct dsp_platform_data dsp_pdata = {
+       .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
+};
+
 static struct resource omap_dsp_resources[] = {
        {
                .name   = "dsp_mmu",
@@ -42,9 +46,11 @@ static struct platform_device omap_dsp_device = {
        .id             = -1,
        .num_resources  = ARRAY_SIZE(omap_dsp_resources),
        .resource       = omap_dsp_resources,
+       .dev = {
+               .platform_data = &dsp_pdata,
+       },
 };
 
-
 static inline void omap_init_dsp(void)
 {
        struct resource *res;
@@ -63,12 +69,26 @@ static inline void omap_init_dsp(void)
 
        platform_device_register(&omap_dsp_device);
 }
+
+int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
+{
+       static DEFINE_MUTEX(dsp_pdata_lock);
+
+       mutex_init(&kdev->lock);
+
+       mutex_lock(&dsp_pdata_lock);
+       list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
+       mutex_unlock(&dsp_pdata_lock);
+
+       return 0;
+}
+EXPORT_SYMBOL(dsp_kfunc_device_register);
+
 #else
 static inline void omap_init_dsp(void) { }
-#endif
+#endif /* CONFIG_OMAP_DSP */
 
 /*-------------------------------------------------------------------------*/
-
 #if    defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
 
 #define        OMAP1_I2C_BASE          0xfffb3800