diff options
Diffstat (limited to 'sys/dev/usb/controller/at91dci.h')
| -rw-r--r-- | sys/dev/usb/controller/at91dci.h | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/sys/dev/usb/controller/at91dci.h b/sys/dev/usb/controller/at91dci.h new file mode 100644 index 0000000..b079eb5 --- /dev/null +++ b/sys/dev/usb/controller/at91dci.h @@ -0,0 +1,241 @@ +/* $FreeBSD$ */ +/*- + * Copyright (c) 2006 ATMEL + * Copyright (c) 2007 Hans Petter Selasky <hselasky@FreeBSD.org> + * 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. + */ + +/* + * USB Device Port (UDP) register definition, based on "AT91RM9200.h" provided + * by ATMEL. + */ + +#ifndef _AT9100_DCI_H_ +#define _AT9100_DCI_H_ + +#define AT91_MAX_DEVICES (USB_MIN_DEVICES + 1) + +#define AT91_UDP_FRM 0x00 /* Frame number register */ +#define AT91_UDP_FRM_MASK (0x7FF << 0) /* Frame Number as Defined in + * the Packet Field Formats */ +#define AT91_UDP_FRM_ERR (0x1 << 16) /* Frame Error */ +#define AT91_UDP_FRM_OK (0x1 << 17) /* Frame OK */ + +#define AT91_UDP_GSTATE 0x04 /* Global state register */ +#define AT91_UDP_GSTATE_ADDR (0x1 << 0) /* Addressed state */ +#define AT91_UDP_GSTATE_CONFG (0x1 << 1) /* Configured */ +#define AT91_UDP_GSTATE_ESR (0x1 << 2) /* Enable Send Resume */ +#define AT91_UDP_GSTATE_RSM (0x1 << 3) /* A Resume Has Been Sent to + * the Host */ +#define AT91_UDP_GSTATE_RMW (0x1 << 4) /* Remote Wake Up Enable */ + +#define AT91_UDP_FADDR 0x08 /* Function Address Register */ +#define AT91_UDP_FADDR_MASK (0x7F << 0)/* Function Address Mask */ +#define AT91_UDP_FADDR_EN (0x1 << 8)/* Function Enable */ + +#define AT91_UDP_RES0 0x0C /* Reserved 0 */ + +#define AT91_UDP_IER 0x10 /* Interrupt Enable Register */ +#define AT91_UDP_IDR 0x14 /* Interrupt Disable Register */ +#define AT91_UDP_IMR 0x18 /* Interrupt Mask Register */ +#define AT91_UDP_ISR 0x1C /* Interrupt Status Register */ +#define AT91_UDP_ICR 0x20 /* Interrupt Clear Register */ +#define AT91_UDP_INT_EP(n) (0x1 <<(n))/* Endpoint "n" Interrupt */ +#define AT91_UDP_INT_RXSUSP (0x1 << 8)/* USB Suspend Interrupt */ +#define AT91_UDP_INT_RXRSM (0x1 << 9)/* USB Resume Interrupt */ +#define AT91_UDP_INT_EXTRSM (0x1 << 10)/* USB External Resume Interrupt */ +#define AT91_UDP_INT_SOFINT (0x1 << 11)/* USB Start Of frame Interrupt */ +#define AT91_UDP_INT_END_BR (0x1 << 12)/* USB End Of Bus Reset Interrupt */ +#define AT91_UDP_INT_WAKEUP (0x1 << 13)/* USB Resume Interrupt */ + +#define AT91_UDP_INT_BUS \ + (AT91_UDP_INT_RXSUSP|AT91_UDP_INT_RXRSM| \ + AT91_UDP_INT_END_BR) + +#define AT91_UDP_INT_EPS \ + (AT91_UDP_INT_EP(0)|AT91_UDP_INT_EP(1)| \ + AT91_UDP_INT_EP(2)|AT91_UDP_INT_EP(3)| \ + AT91_UDP_INT_EP(4)|AT91_UDP_INT_EP(5)) + +#define AT91_UDP_INT_DEFAULT \ + (AT91_UDP_INT_EPS|AT91_UDP_INT_BUS) + +#define AT91_UDP_RES1 0x24 /* Reserved 1 */ +#define AT91_UDP_RST 0x28 /* Reset Endpoint Register */ +#define AT91_UDP_RST_EP(n) (0x1 << (n))/* Reset Endpoint "n" */ + +#define AT91_UDP_RES2 0x2C /* Reserved 2 */ + +#define AT91_UDP_CSR(n) (0x30 + (4*(n)))/* Endpoint Control and Status + * Register */ +#define AT91_UDP_CSR_TXCOMP (0x1 << 0) /* Generates an IN packet with data + * previously written in the DPR */ +#define AT91_UDP_CSR_RX_DATA_BK0 (0x1 << 1) /* Receive Data Bank 0 */ +#define AT91_UDP_CSR_RXSETUP (0x1 << 2) /* Sends STALL to the Host + * (Control endpoints) */ +#define AT91_UDP_CSR_ISOERROR (0x1 << 3) /* Isochronous error + * (Isochronous endpoints) */ +#define AT91_UDP_CSR_STALLSENT (0x1 << 3) /* Stall sent (Control, bulk, + * interrupt endpoints) */ +#define AT91_UDP_CSR_TXPKTRDY (0x1 << 4) /* Transmit Packet Ready */ +#define AT91_UDP_CSR_FORCESTALL (0x1 << 5) /* Force Stall (used by + * Control, Bulk and + * Isochronous endpoints). */ +#define AT91_UDP_CSR_RX_DATA_BK1 (0x1 << 6) /* Receive Data Bank 1 (only + * used by endpoints with + * ping-pong attributes). */ +#define AT91_UDP_CSR_DIR (0x1 << 7) /* Transfer Direction */ +#define AT91_UDP_CSR_ET_MASK (0x7 << 8) /* Endpoint transfer type mask */ +#define AT91_UDP_CSR_ET_CTRL (0x0 << 8) /* Control IN+OUT */ +#define AT91_UDP_CSR_ET_ISO (0x1 << 8) /* Isochronous */ +#define AT91_UDP_CSR_ET_BULK (0x2 << 8) /* Bulk */ +#define AT91_UDP_CSR_ET_INT (0x3 << 8) /* Interrupt */ +#define AT91_UDP_CSR_ET_DIR_OUT (0x0 << 8) /* OUT tokens */ +#define AT91_UDP_CSR_ET_DIR_IN (0x4 << 8) /* IN tokens */ +#define AT91_UDP_CSR_DTGLE (0x1 << 11) /* Data Toggle */ +#define AT91_UDP_CSR_EPEDS (0x1 << 15) /* Endpoint Enable Disable */ +#define AT91_UDP_CSR_RXBYTECNT (0x7FF << 16) /* Number Of Bytes Available + * in the FIFO */ + +#define AT91_UDP_FDR(n) (0x50 + (4*(n)))/* Endpoint FIFO Data Register */ +#define AT91_UDP_RES3 0x70 /* Reserved 3 */ +#define AT91_UDP_TXVC 0x74 /* Transceiver Control Register */ +#define AT91_UDP_TXVC_DIS (0x1 << 8) + +#define AT91_UDP_EP_MAX 6 /* maximum number of endpoints + * supported */ + +#define AT91_UDP_READ_4(sc, reg) \ + bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, reg) + +#define AT91_UDP_WRITE_4(sc, reg, data) \ + bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, reg, data) + +struct at91dci_td; + +typedef uint8_t (at91dci_cmd_t)(struct at91dci_td *td); + +struct at91dci_td { + bus_space_tag_t io_tag; + bus_space_handle_t io_hdl; + struct at91dci_td *obj_next; + at91dci_cmd_t *func; + struct usb_page_cache *pc; + uint32_t offset; + uint32_t remainder; + uint16_t max_packet_size; + uint8_t status_reg; + uint8_t fifo_reg; + uint8_t fifo_bank:1; + uint8_t error:1; + uint8_t alt_next:1; + uint8_t short_pkt:1; + uint8_t support_multi_buffer:1; + uint8_t did_stall:1; +}; + +struct at91dci_std_temp { + at91dci_cmd_t *func; + struct usb_page_cache *pc; + struct at91dci_td *td; + struct at91dci_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; +}; + +struct at91dci_config_desc { + struct usb_config_descriptor confd; + struct usb_interface_descriptor ifcd; + struct usb_endpoint_descriptor endpd; +} __packed; + +union at91dci_hub_temp { + uWord wValue; + struct usb_port_status ps; +}; + +struct at91dci_ep_flags { + uint8_t fifo_bank:1; /* hardware specific */ +}; + +struct at91dci_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 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 at91dci_softc { + struct usb_bus sc_bus; + union at91dci_hub_temp sc_hub_temp; + + struct usb_device *sc_devices[AT91_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; + + void (*sc_clocks_on) (void *arg); + void (*sc_clocks_off) (void *arg); + void *sc_clocks_arg; + + void (*sc_pull_up) (void *arg); + void (*sc_pull_down) (void *arg); + void *sc_pull_arg; + + uint8_t sc_rt_addr; /* root HUB address */ + uint8_t sc_dv_addr; /* device address */ + uint8_t sc_conf; /* root HUB config */ + + uint8_t sc_hub_idata[1]; + + struct at91dci_flags sc_flags; + struct at91dci_ep_flags sc_ep_flags[AT91_UDP_EP_MAX]; +}; + +/* prototypes */ + +usb_error_t at91dci_init(struct at91dci_softc *sc); +void at91dci_uninit(struct at91dci_softc *sc); +void at91dci_interrupt(struct at91dci_softc *sc); +void at91dci_vbus_interrupt(struct at91dci_softc *sc, uint8_t is_on); + +#endif /* _AT9100_DCI_H_ */ |
