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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /drivers/usb/musb/musb_dma.h
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/usb/musb/musb_dma.h')
-rw-r--r--drivers/usb/musb/musb_dma.h67
1 files changed, 57 insertions, 10 deletions
diff --git a/drivers/usb/musb/musb_dma.h b/drivers/usb/musb/musb_dma.h
index 1d44faa86..46357e183 100644
--- a/drivers/usb/musb/musb_dma.h
+++ b/drivers/usb/musb/musb_dma.h
@@ -68,16 +68,41 @@ struct musb_hw_ep;
#define is_dma_capable() (1)
#endif
-#if defined(CONFIG_USB_TI_CPPI_DMA) || defined(CONFIG_USB_TI_CPPI41_DMA)
-#define is_cppi_enabled() 1
+#ifdef CONFIG_USB_UX500_DMA
+#define musb_dma_ux500(musb) (musb->io.quirks & MUSB_DMA_UX500)
+#else
+#define musb_dma_ux500(musb) 0
+#endif
+
+#ifdef CONFIG_USB_TI_CPPI41_DMA
+#define musb_dma_cppi41(musb) (musb->io.quirks & MUSB_DMA_CPPI41)
+#else
+#define musb_dma_cppi41(musb) 0
+#endif
+
+#ifdef CONFIG_USB_TI_CPPI_DMA
+#define musb_dma_cppi(musb) (musb->io.quirks & MUSB_DMA_CPPI)
#else
-#define is_cppi_enabled() 0
+#define musb_dma_cppi(musb) 0
#endif
#ifdef CONFIG_USB_TUSB_OMAP_DMA
-#define tusb_dma_omap() 1
+#define tusb_dma_omap(musb) (musb->io.quirks & MUSB_DMA_TUSB_OMAP)
+#else
+#define tusb_dma_omap(musb) 0
+#endif
+
+#ifdef CONFIG_USB_INVENTRA_DMA
+#define musb_dma_inventra(musb) (musb->io.quirks & MUSB_DMA_INVENTRA)
#else
-#define tusb_dma_omap() 0
+#define musb_dma_inventra(musb) 0
+#endif
+
+#if defined(CONFIG_USB_TI_CPPI_DMA) || defined(CONFIG_USB_TI_CPPI41_DMA)
+#define is_cppi_enabled(musb) \
+ (musb_dma_cppi(musb) || musb_dma_cppi41(musb))
+#else
+#define is_cppi_enabled(musb) 0
#endif
/* Anomaly 05000456 - USB Receive Interrupt Is Not Generated in DMA Mode 1
@@ -177,19 +202,41 @@ struct dma_controller {
extern void musb_dma_completion(struct musb *musb, u8 epnum, u8 transmit);
#ifdef CONFIG_MUSB_PIO_ONLY
-static inline struct dma_controller *dma_controller_create(struct musb *m,
- void __iomem *io)
+static inline struct dma_controller *
+musb_dma_controller_create(struct musb *m, void __iomem *io)
{
return NULL;
}
-static inline void dma_controller_destroy(struct dma_controller *d) { }
+static inline void musb_dma_controller_destroy(struct dma_controller *d) { }
#else
-extern struct dma_controller *dma_controller_create(struct musb *, void __iomem *);
+extern struct dma_controller *
+(*musb_dma_controller_create)(struct musb *, void __iomem *);
-extern void dma_controller_destroy(struct dma_controller *);
+extern void (*musb_dma_controller_destroy)(struct dma_controller *);
#endif
+/* Platform specific DMA functions */
+extern struct dma_controller *
+musbhs_dma_controller_create(struct musb *musb, void __iomem *base);
+extern void musbhs_dma_controller_destroy(struct dma_controller *c);
+
+extern struct dma_controller *
+tusb_dma_controller_create(struct musb *musb, void __iomem *base);
+extern void tusb_dma_controller_destroy(struct dma_controller *c);
+
+extern struct dma_controller *
+cppi_dma_controller_create(struct musb *musb, void __iomem *base);
+extern void cppi_dma_controller_destroy(struct dma_controller *c);
+
+extern struct dma_controller *
+cppi41_dma_controller_create(struct musb *musb, void __iomem *base);
+extern void cppi41_dma_controller_destroy(struct dma_controller *c);
+
+extern struct dma_controller *
+ux500_dma_controller_create(struct musb *musb, void __iomem *base);
+extern void ux500_dma_controller_destroy(struct dma_controller *c);
+
#endif /* __MUSB_DMA_H__ */