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/*
* This is used to for host and peripheral modes of the driver for
* Inventra (Multidrop) Highspeed Dual-Role Controllers: (M)HDRC.
*
* Board initialization should put one of these into dev->platform_data,
* probably on some platform_device named "musbfsh_hdrc". It encapsulates
* key configuration differences between boards.
*/
#ifndef __LINUX_USB_MUSBFSH_H
#define __LINUX_USB_MUSBFSH_H
/* The USB role is defined by the connector used on the board, so long as
* standards are being followed. (Developer boards sometimes won't.)
*/
enum musbfsh_mode {
MUSBFSH_UNDEFINED = 0,
MUSBFSH_HOST, /* A or Mini-A connector */
MUSBFSH_PERIPHERAL, /* B or Mini-B connector */
MUSBFSH_OTG /* Mini-AB connector */
};
struct clk;
enum musbfsh_fifo_style {
FIFO_RXTX,
FIFO_TX,
FIFO_RX
} __attribute__ ((packed));
enum musbfsh_buf_mode {
BUF_SINGLE,
BUF_DOUBLE
} __attribute__ ((packed));
struct musbfsh_fifo_cfg {
u8 hw_ep_num;
enum musbfsh_fifo_style style;
enum musbfsh_buf_mode mode;
u16 maxpacket;
};
#define MUSBFSH_EP_FIFO(ep, st, m, pkt) \
{ \
.hw_ep_num = ep, \
.style = st, \
.mode = m, \
.maxpacket = pkt, \
}
#define MUSBFSH_EP_FIFO_SINGLE(ep, st, pkt) \
MUSBFSH_EP_FIFO(ep, st, BUF_SINGLE, pkt)
#define MUSBFSH_EP_FIFO_DOUBLE(ep, st, pkt) \
MUSBFSH_EP_FIFO(ep, st, BUF_DOUBLE, pkt)
struct musbfsh_hdrc_eps_bits {
const char name[16];
u8 bits;
};
struct musbfsh_hdrc_config {
struct musbfsh_fifo_cfg *fifo_cfg; /* board fifo configuration */
unsigned fifo_cfg_size; /* size of the fifo configuration */
/* MUSB configuration-specific details */
unsigned multipoint:1; /* multipoint device */
unsigned dyn_fifo:1 __deprecated; /* supports dynamic fifo sizing */
unsigned soft_con:1 __deprecated; /* soft connect required */
unsigned utm_16:1 __deprecated; /* utm data witdh is 16 bits */
unsigned big_endian:1; /* true if CPU uses big-endian */
unsigned mult_bulk_tx:1; /* Tx ep required for multbulk pkts */
unsigned mult_bulk_rx:1; /* Rx ep required for multbulk pkts */
unsigned high_iso_tx:1; /* Tx ep required for HB iso */
unsigned high_iso_rx:1; /* Rx ep required for HD iso */
unsigned dma:1 __deprecated; /* supports DMA */
unsigned vendor_req:1 __deprecated; /* vendor registers required */
u8 num_eps; /* number of endpoints _with_ ep0 */
u8 dma_channels __deprecated; /* number of dma channels */
u8 dyn_fifo_size; /* dynamic size in bytes */
u8 vendor_ctrl __deprecated; /* vendor control reg width */
u8 vendor_stat __deprecated; /* vendor status reg witdh */
u8 dma_req_chan __deprecated; /* bitmask for required dma channels */
u8 ram_bits; /* ram address size */
struct musbfsh_hdrc_eps_bits *eps_bits __deprecated;
};
struct musbfsh_hdrc_platform_data {
/* MUSBFSH_HOST, MUSBFSH_PERIPHERAL, or MUSBFSH_OTG */
u8 mode;
const char *clock;
/* (HOST or OTG) switch VBUS on/off */
int (*set_vbus) (struct device *dev, int is_on);
/* (HOST or OTG) mA/2 power supplied on (default = 8mA) */
u8 power;
u8 min_power;
u8 potpgt;
/* (HOST or OTG) program PHY for external Vbus */
unsigned extvbus:1;
/* Power the device on or off */
int (*set_power) (int state);
/* MUSB configuration-specific details */
struct musbfsh_hdrc_config *config;
void *board_data;
const void *platform_ops;
};
#endif /* __LINUX_USB_MUSBFSH_H */
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