freebsd-skq/sys/dev/usb/controller/dwc_otg.h
hselasky d3cf18fd76 Preparations for adding USB HOST mode to the DWC OTG driver.
Merge register file with external one and put all register
definitions in a separate file.

Submitted by:	ray @
2012-08-30 16:19:05 +00:00

152 lines
4.3 KiB
C

/* $FreeBSD$ */
/*-
* Copyright (c) 2012 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _DWC_OTG_H_
#define _DWC_OTG_H_
#define DWC_OTG_MAX_DEVICES (USB_MIN_DEVICES + 1)
#define DWC_OTG_FRAME_MASK 0x7FF
#define DWC_OTG_MAX_TXP 4
#define DWC_OTG_MAX_TXN (0x200 * DWC_OTG_MAX_TXP)
#define DWC_OTG_READ_4(sc, reg) \
bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, reg)
#define DWC_OTG_WRITE_4(sc, reg, data) \
bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, data)
struct dwc_otg_td;
struct dwc_otg_softc;
typedef uint8_t (dwc_otg_cmd_t)(struct dwc_otg_td *td);
struct dwc_otg_td {
struct dwc_otg_td *obj_next;
dwc_otg_cmd_t *func;
struct usb_page_cache *pc;
uint32_t tx_bytes;
uint32_t offset;
uint32_t remainder;
uint16_t max_packet_size; /* packet_size */
uint16_t npkt;
uint8_t ep_no;
uint8_t error:1;
uint8_t alt_next:1;
uint8_t short_pkt:1;
uint8_t did_stall:1;
};
struct dwc_otg_std_temp {
dwc_otg_cmd_t *func;
struct usb_page_cache *pc;
struct dwc_otg_td *td;
struct dwc_otg_td *td_next;
uint32_t len;
uint32_t offset;
uint16_t max_frame_size;
uint8_t short_pkt;
/*
* short_pkt = 0: transfer should be short terminated
* short_pkt = 1: transfer should not be short terminated
*/
uint8_t setup_alt_next;
uint8_t did_stall;
uint8_t bulk_or_control;
};
struct dwc_otg_config_desc {
struct usb_config_descriptor confd;
struct usb_interface_descriptor ifcd;
struct usb_endpoint_descriptor endpd;
} __packed;
union dwc_otg_hub_temp {
uWord wValue;
struct usb_port_status ps;
};
struct dwc_otg_flags {
uint8_t change_connect:1;
uint8_t change_suspend:1;
uint8_t status_suspend:1; /* set if suspended */
uint8_t status_vbus:1; /* set if present */
uint8_t status_bus_reset:1; /* set if reset complete */
uint8_t status_high_speed:1; /* set if High Speed is selected */
uint8_t remote_wakeup:1;
uint8_t self_powered:1;
uint8_t clocks_off:1;
uint8_t port_powered:1;
uint8_t port_enabled:1;
uint8_t d_pulled_up:1;
};
struct dwc_otg_profile {
struct usb_hw_ep_profile usb;
uint16_t max_buffer;
};
struct dwc_otg_softc {
struct usb_bus sc_bus;
union dwc_otg_hub_temp sc_hub_temp;
struct dwc_otg_profile sc_hw_ep_profile[16];
struct usb_device *sc_devices[DWC_OTG_MAX_DEVICES];
struct resource *sc_io_res;
struct resource *sc_irq_res;
void *sc_intr_hdl;
bus_size_t sc_io_size;
bus_space_tag_t sc_io_tag;
bus_space_handle_t sc_io_hdl;
uint32_t sc_rx_bounce_buffer[1024 / 4];
uint32_t sc_tx_bounce_buffer[(512 * DWC_OTG_MAX_TXP) / 4];
uint32_t sc_fifo_size;
uint32_t sc_irq_mask;
uint32_t sc_last_rx_status;
uint32_t sc_out_ctl[16];
uint32_t sc_in_ctl[16];
uint16_t sc_active_out_ep;
uint8_t sc_dev_ep_max;
uint8_t sc_dev_in_ep_max;
uint8_t sc_rt_addr; /* root HUB address */
uint8_t sc_conf; /* root HUB config */
uint8_t sc_hub_idata[1];
struct dwc_otg_flags sc_flags;
};
/* prototypes */
void dwc_otg_interrupt(struct dwc_otg_softc *);
int dwc_otg_init(struct dwc_otg_softc *);
void dwc_otg_uninit(struct dwc_otg_softc *);
#endif /* _DWC_OTG_H_ */