diff options
Diffstat (limited to 'drivers/usb/musb')
| -rw-r--r-- | drivers/usb/musb/musb_core.h | 40 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_io.h | 18 |
2 files changed, 58 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 803a997e56d..e5410bc67df 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -173,8 +173,25 @@ enum musb_g_ep0_state { /******************************** TYPES *************************************/ +struct musb_io; + /** * struct musb_platform_ops - Operations passed to musb_core by HW glue layer + * @quirks: flags for platform specific quirks + * @enable: enable device + * @disable: disable device + * @ep_offset: returns the end point offset + * @ep_select: selects the specified end point + * @fifo_mode: sets the fifo mode + * @fifo_offset: returns the fifo offset + * @readb: read 8 bits + * @writeb: write 8 bits + * @readw: read 16 bits + * @writew: write 16 bits + * @readl: read 32 bits + * @writel: write 32 bits + * @read_fifo: reads the fifo + * @write_fifo: writes to fifo * @init: turns on clocks, sets up platform-specific registers, etc * @exit: undoes @init * @set_mode: forcefully changes operating mode @@ -184,12 +201,34 @@ enum musb_g_ep0_state { * @adjust_channel_params: pre check for standard dma channel_program func */ struct musb_platform_ops { + +#define MUSB_DMA_UX500 BIT(6) +#define MUSB_DMA_CPPI41 BIT(5) +#define MUSB_DMA_CPPI BIT(4) +#define MUSB_DMA_TUSB_OMAP BIT(3) +#define MUSB_DMA_INVENTRA BIT(2) +#define MUSB_IN_TUSB BIT(1) +#define MUSB_INDEXED_EP BIT(0) + u32 quirks; + int (*init)(struct musb *musb); int (*exit)(struct musb *musb); void (*enable)(struct musb *musb); void (*disable)(struct musb *musb); + u32 (*ep_offset)(u8 epnum, u16 offset); + void (*ep_select)(void __iomem *mbase, u8 epnum); + u16 fifo_mode; + u32 (*fifo_offset)(u8 epnum); + u8 (*readb)(const void __iomem *addr, unsigned offset); + void (*writeb)(void __iomem *addr, unsigned offset, u8 data); + u16 (*readw)(const void __iomem *addr, unsigned offset); + void (*writew)(void __iomem *addr, unsigned offset, u16 data); + u32 (*readl)(const void __iomem *addr, unsigned offset); + void (*writel)(void __iomem *addr, unsigned offset, u32 data); + void (*read_fifo)(struct musb_hw_ep *hw_ep, u16 len, u8 *buf); + void (*write_fifo)(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf); int (*set_mode)(struct musb *musb, u8 mode); void (*try_idle)(struct musb *musb, unsigned long timeout); int (*reset)(struct musb *musb); @@ -292,6 +331,7 @@ struct musb { /* device lock */ spinlock_t lock; + struct musb_io io; const struct musb_platform_ops *ops; struct musb_context_registers context; diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h index eebeed78edd..46c01c81a2a 100644 --- a/drivers/usb/musb/musb_io.h +++ b/drivers/usb/musb/musb_io.h @@ -37,6 +37,24 @@ #include <linux/io.h> +/** + * struct musb_io - IO functions for MUSB + * @quirks: platform specific flags + * @ep_offset: platform specific function to get end point offset + * @ep_select: platform specific function to select end point + * @fifo_offset: platform specific function to get fifo offset + * @read_fifo: platform specific function to read fifo + * @write_fifo: platform specific function to write fifo + */ +struct musb_io { + u32 quirks; + u32 (*ep_offset)(u8 epnum, u16 offset); + void (*ep_select)(void __iomem *mbase, u8 epnum); + u32 (*fifo_offset)(u8 epnum); + void (*read_fifo)(struct musb_hw_ep *hw_ep, u16 len, u8 *buf); + void (*write_fifo)(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf); +}; + #ifndef CONFIG_BLACKFIN /* NOTE: these offsets are all in bytes */ |