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/* SPDX-License-Identifier: GPL-2.0 */ /* * 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 "musb-hdrc". It encapsulates * key configuration differences between boards. */ #ifndef __LINUX_USB_MUSB_H #define __LINUX_USB_MUSB_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 musb_mode { MUSB_UNDEFINED = 0, MUSB_HOST, /* A or Mini-A connector */ MUSB_PERIPHERAL, /* B or Mini-B connector */ MUSB_OTG /* Mini-AB connector */ }; struct clk; enum musb_fifo_style { FIFO_RXTX, FIFO_TX, FIFO_RX } __attribute__ ((packed)); enum musb_buf_mode { BUF_SINGLE, BUF_DOUBLE } __attribute__ ((packed)); struct musb_fifo_cfg { u8 hw_ep_num; enum musb_fifo_style style; enum musb_buf_mode mode; u16 maxpacket; }; #define MUSB_EP_FIFO(ep, st, m, pkt) \ { \ .hw_ep_num = ep, \ .style = st, \ .mode = m, \ .maxpacket = pkt, \ } #define MUSB_EP_FIFO_SINGLE(ep, st, pkt) \ MUSB_EP_FIFO(ep, st, BUF_SINGLE, pkt) #define MUSB_EP_FIFO_DOUBLE(ep, st, pkt) \ MUSB_EP_FIFO(ep, st, BUF_DOUBLE, pkt) struct musb_hdrc_eps_bits { const char name[16]; u8 bits; }; struct musb_hdrc_config { struct musb_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 */ /* need to explicitly de-assert the port reset after resume? */ unsigned host_port_deassert_reset_at_resume:1; u8 num_eps; /* number of endpoints _with_ ep0 */ u8 ram_bits; /* ram address size */ u32 maximum_speed; }; struct musb_hdrc_platform_data { /* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */ u8 mode; /* for clk_get() */ 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; /* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */ u8 min_power; /* (HOST or OTG) msec/2 after VBUS on till power good */ 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 */ const struct musb_hdrc_config *config; /* Architecture specific board data */ void *board_data; /* Platform specific struct musb_ops pointer */ const void *platform_ops; }; enum musb_vbus_id_status { MUSB_UNKNOWN = 0, MUSB_ID_GROUND, MUSB_ID_FLOAT, MUSB_VBUS_VALID, MUSB_VBUS_OFF, }; #if IS_ENABLED(CONFIG_USB_MUSB_HDRC) int musb_mailbox(enum musb_vbus_id_status status); #else static inline int musb_mailbox(enum musb_vbus_id_status status) { return 0; } #endif /* TUSB 6010 support */ #define TUSB6010_OSCCLK_60 16667 /* psec/clk @ 60.0 MHz */ #define TUSB6010_REFCLK_24 41667 /* psec/clk @ 24.0 MHz XI */ #define TUSB6010_REFCLK_19 52083 /* psec/clk @ 19.2 MHz CLKIN */ #ifdef CONFIG_ARCH_OMAP2 extern int __init tusb6010_setup_interface( struct musb_hdrc_platform_data *data, unsigned ps_refclk, unsigned waitpin, unsigned async_cs, unsigned sync_cs, unsigned irq, unsigned dmachan); extern int tusb6010_platform_retime(unsigned is_refclk); #endif /* OMAP2 */ #endif /* __LINUX_USB_MUSB_H */
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