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145 lines
4.1 KiB
145 lines
4.1 KiB
/* |
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* Copyright (C) 2015 MediaTek Inc. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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*/ |
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/* |
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* This is used to for host and peripheral modes of the driver for |
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* Inventra (Multidrop) Highspeed Dual-Role Controllers: (M)HDRC. |
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* |
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* Board initialization should put one of these into dev->platform_data, |
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* probably on some platform_device named "musb-hdrc". It encapsulates |
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* key configuration differences between boards. |
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*/ |
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#ifndef __LINUX_USB_MUSB_H |
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#define __LINUX_USB_MUSB_H |
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/* The USB role is defined by the connector used on the board, so long as |
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* standards are being followed. (Developer boards sometimes won't.) |
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*/ |
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enum musb_mode { |
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MUSB_UNDEFINED = 0, |
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MUSB_HOST, /* A or Mini-A connector */ |
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MUSB_PERIPHERAL, /* B or Mini-B connector */ |
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MUSB_OTG /* Mini-AB connector */ |
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}; |
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enum musb_fifo_style { |
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MUSB_FIFO_RXTX, /* add MUSB_ prefix to avoid confilicts with musbfsh.h, gang */ |
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MUSB_FIFO_TX, |
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MUSB_FIFO_RX |
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} __packed; |
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enum musb_buf_mode { |
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MUSB_BUF_SINGLE, /* add MUSB_ prefix to avoid confilicts with musbfsh.h, gang */ |
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MUSB_BUF_DOUBLE |
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} __packed; |
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enum musb_ep_mode { |
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EP_CONT, |
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EP_INT, |
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EP_BULK, |
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EP_ISO |
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} __packed; |
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struct musb_fifo_cfg { |
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u8 hw_ep_num; |
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enum musb_fifo_style style; |
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enum musb_buf_mode mode; |
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u16 maxpacket; |
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enum musb_ep_mode ep_mode; |
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}; |
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#define MUSB_EP_FIFO(ep, st, m, pkt) \ |
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{ \ |
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.hw_ep_num = ep, \ |
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.style = st, \ |
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.mode = m, \ |
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.maxpacket = pkt, \ |
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} |
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#define MUSB_EP_FIFO_SINGLE(ep, st, pkt) \ |
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MUSB_EP_FIFO(ep, st, BUF_SINGLE, pkt) |
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#define MUSB_EP_FIFO_DOUBLE(ep, st, pkt) \ |
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MUSB_EP_FIFO(ep, st, BUF_DOUBLE, pkt) |
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struct musb_hdrc_eps_bits { |
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const char name[16]; |
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u8 bits; |
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}; |
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struct musb_hdrc_config { |
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struct musb_fifo_cfg *fifo_cfg; /* board fifo configuration */ |
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unsigned fifo_cfg_size; /* size of the fifo configuration */ |
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/* MUSB configuration-specific details */ |
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unsigned multipoint:1; /* multipoint device */ |
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unsigned dyn_fifo:1 __deprecated; /* supports dynamic fifo sizing */ |
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unsigned soft_con:1 __deprecated; /* soft connect required */ |
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unsigned utm_16:1 __deprecated; /* utm data witdh is 16 bits */ |
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unsigned big_endian:1; /* true if CPU uses big-endian */ |
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unsigned mult_bulk_tx:1; /* Tx ep required for multbulk pkts */ |
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unsigned mult_bulk_rx:1; /* Rx ep required for multbulk pkts */ |
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unsigned high_iso_tx:1; /* Tx ep required for HB iso */ |
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unsigned high_iso_rx:1; /* Rx ep required for HD iso */ |
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unsigned dma:1 __deprecated; /* supports DMA */ |
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unsigned vendor_req:1 __deprecated; /* vendor registers required */ |
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u8 num_eps; /* number of endpoints _with_ ep0 */ |
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u8 dma_channels __deprecated; /* number of dma channels */ |
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u8 dyn_fifo_size; /* dynamic size in bytes */ |
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u8 vendor_ctrl __deprecated; /* vendor control reg width */ |
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u8 vendor_stat __deprecated; /* vendor status reg witdh */ |
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u8 dma_req_chan __deprecated; /* bitmask for required dma channels */ |
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u8 ram_bits; /* ram address size */ |
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struct musb_hdrc_eps_bits *eps_bits __deprecated; |
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}; |
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struct musb_hdrc_platform_data { |
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/* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */ |
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u8 mode; |
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/* for clk_get() */ |
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const char *clock; |
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/* (HOST or OTG) switch VBUS on/off */ |
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int (*set_vbus)(struct device *dev, int is_on); |
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/* (HOST or OTG) mA/2 power supplied on (default = 8mA) */ |
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u8 power; |
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/* (PERIPHERAL) mA/2 max power consumed (default = 100mA) */ |
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u8 min_power; |
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/* (HOST or OTG) msec/2 after VBUS on till power good */ |
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u8 potpgt; |
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/* (HOST or OTG) program PHY for external Vbus */ |
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unsigned extvbus:1; |
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/* Power the device on or off */ |
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int (*set_power)(int state); |
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/* MUSB configuration-specific details */ |
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struct musb_hdrc_config *config; |
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/* Architecture specific board data */ |
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void *board_data; |
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/* Platform specific struct musb_ops pointer */ |
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const void *platform_ops; |
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}; |
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#endif /* __LINUX_USB_MUSB_H */
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