Move ehci.h and ehci-core.h to include/usb directory.

Cc: Remy Bohmer linux@bohmer.net Signed-off-by: Fabio Estevam fabio.estevam@freescale.com --- drivers/usb/host/ehci-core.h | 29 ------ drivers/usb/host/ehci-fsl.c | 4 +- drivers/usb/host/ehci-hcd.c | 2 +- drivers/usb/host/ehci-ixp4xx.c | 4 +- drivers/usb/host/ehci-kirkwood.c | 4 +- drivers/usb/host/ehci-mpc512x.c | 4 +- drivers/usb/host/ehci-mxc.c | 4 +- drivers/usb/host/ehci-pci.c | 4 +- drivers/usb/host/ehci-ppc4xx.c | 4 +- drivers/usb/host/ehci-vct.c | 4 +- drivers/usb/host/ehci.h | 203 -------------------------------------- include/usb/ehci-core.h | 29 ++++++ include/usb/ehci.h | 203 ++++++++++++++++++++++++++++++++++++++ 13 files changed, 249 insertions(+), 249 deletions(-) delete mode 100644 drivers/usb/host/ehci-core.h delete mode 100644 drivers/usb/host/ehci.h create mode 100644 include/usb/ehci-core.h create mode 100644 include/usb/ehci.h

diff --git a/drivers/usb/host/ehci-core.h b/drivers/usb/host/ehci-core.h deleted file mode 100644 index 39e5c5e..0000000 --- a/drivers/usb/host/ehci-core.h +++ /dev/null @@ -1,29 +0,0 @@ -/*- - * Copyright (c) 2007-2008, Juniper Networks, Inc. - * Copyright (c) 2008, Excito Elektronik i Skåne AB - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2 of - * the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef USB_EHCI_CORE_H -#define USB_EHCI_CORE_H - -extern int rootdev; -extern struct ehci_hccr *hccr; -extern volatile struct ehci_hcor *hcor; - -#endif diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 6e0043a..19b97ee 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -27,8 +27,8 @@ #include <asm/io.h> #include <usb/ehci-fsl.h>

-#include "ehci.h" -#include "ehci-core.h" +#include <usb/ehci.h> +#include <usb/ehci-core.h>

/* * Create the appropriate control structures to manage diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 2197119..bdadd46 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -27,7 +27,7 @@ #include <malloc.h> #include <watchdog.h>

-#include "ehci.h" +#include <usb/ehci.h>

int rootdev; struct ehci_hccr *hccr; /* R/O registers, not need for volatile */ diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c index b8f15ae..d15237b 100644 --- a/drivers/usb/host/ehci-ixp4xx.c +++ b/drivers/usb/host/ehci-ixp4xx.c @@ -22,8 +22,8 @@ #include <common.h> #include <usb.h>

-#include "ehci.h" -#include "ehci-core.h" +#include <usb/ehci.h> +#include <usb/ehci-core.h> /* * Create the appropriate control structures to manage * a new EHCI host controller. diff --git a/drivers/usb/host/ehci-kirkwood.c b/drivers/usb/host/ehci-kirkwood.c index 5570fc6..ab75acd 100644 --- a/drivers/usb/host/ehci-kirkwood.c +++ b/drivers/usb/host/ehci-kirkwood.c @@ -25,8 +25,8 @@ #include <common.h> #include <asm/io.h> #include <usb.h> -#include "ehci.h" -#include "ehci-core.h" +#include <usb/ehci.h> +#include <usb/ehci-core.h> #include <asm/arch/kirkwood.h>

#define rdl(off) readl(KW_USB20_BASE + (off)) diff --git a/drivers/usb/host/ehci-mpc512x.c b/drivers/usb/host/ehci-mpc512x.c index d360108..8d2c93b 100644 --- a/drivers/usb/host/ehci-mpc512x.c +++ b/drivers/usb/host/ehci-mpc512x.c @@ -32,8 +32,8 @@ #include <asm/io.h> #include <usb/ehci-fsl.h>

-#include "ehci.h" -#include "ehci-core.h" +#include <usb/ehci.h> +#include <usb/ehci-core.h>

static void fsl_setup_phy(volatile struct ehci_hcor *); static void fsl_platform_set_host_mode(volatile struct usb_ehci *ehci); diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index a0cfbb7..fde1f0f 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -24,8 +24,8 @@ #include <usb/ehci-fsl.h> #include <errno.h>

-#include "ehci.h" -#include "ehci-core.h" +#include <usb/ehci.h> +#include <usb/ehci-core.h>

#define USBCTRL_OTGBASE_OFFSET 0x600

diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 020ab11..e1f84d9 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -22,8 +22,8 @@ #include <pci.h> #include <usb.h>

-#include "ehci.h" -#include "ehci-core.h" +#include <usb/ehci.h> +#include <usb/ehci-core.h>

#ifdef CONFIG_PCI_EHCI_DEVICE static struct pci_device_id ehci_pci_ids[] = { diff --git a/drivers/usb/host/ehci-ppc4xx.c b/drivers/usb/host/ehci-ppc4xx.c index 1179919..1a1fae1 100644 --- a/drivers/usb/host/ehci-ppc4xx.c +++ b/drivers/usb/host/ehci-ppc4xx.c @@ -22,8 +22,8 @@ #include <common.h> #include <usb.h>

-#include "ehci.h" -#include "ehci-core.h" +#include <usb/ehci.h> +#include <usb/ehci-core.h>

/* * Create the appropriate control structures to manage diff --git a/drivers/usb/host/ehci-vct.c b/drivers/usb/host/ehci-vct.c index 3063dd1..e73cf38 100644 --- a/drivers/usb/host/ehci-vct.c +++ b/drivers/usb/host/ehci-vct.c @@ -20,8 +20,8 @@ #include <common.h> #include <usb.h>

-#include "ehci.h" -#include "ehci-core.h" +#include <usb/ehci.h> +#include <usb/ehci-core.h>

int vct_ehci_hcd_init(u32 *hccr, u32 *hcor);

diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h deleted file mode 100644 index 3d0ad0c..0000000 --- a/drivers/usb/host/ehci.h +++ /dev/null @@ -1,203 +0,0 @@ -/*- - * Copyright (c) 2007-2008, Juniper Networks, Inc. - * Copyright (c) 2008, Michael Trimarchi trimarchimichael@yahoo.it - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2 of - * the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef USB_EHCI_H -#define USB_EHCI_H - -#if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) -#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 2 -#endif - -/* (shifted) direction/type/recipient from the USB 2.0 spec, table 9.2 */ -#define DeviceRequest \ - ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8) - -#define DeviceOutRequest \ - ((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8) - -#define InterfaceRequest \ - ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8) - -#define EndpointRequest \ - ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8) - -#define EndpointOutRequest \ - ((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8) - -/* - * Register Space. - */ -struct ehci_hccr { - uint32_t cr_capbase; -#define HC_LENGTH(p) (((p) >> 0) & 0x00ff) -#define HC_VERSION(p) (((p) >> 16) & 0xffff) - uint32_t cr_hcsparams; -#define HCS_PPC(p) ((p) & (1 << 4)) -#define HCS_INDICATOR(p) ((p) & (1 << 16)) /* Port indicators */ -#define HCS_N_PORTS(p) (((p) >> 0) & 0xf) - uint32_t cr_hccparams; - uint8_t cr_hcsp_portrt[8]; -} __attribute__ ((packed, aligned(4))); - -struct ehci_hcor { - uint32_t or_usbcmd; -#define CMD_PARK (1 << 11) /* enable "park" */ -#define CMD_PARK_CNT(c) (((c) >> 8) & 3) /* how many transfers to park */ -#define CMD_ASE (1 << 5) /* async schedule enable */ -#define CMD_LRESET (1 << 7) /* partial reset */ -#define CMD_IAAD (1 << 5) /* "doorbell" interrupt */ -#define CMD_PSE (1 << 4) /* periodic schedule enable */ -#define CMD_RESET (1 << 1) /* reset HC not bus */ -#define CMD_RUN (1 << 0) /* start/stop HC */ - uint32_t or_usbsts; -#define STD_ASS (1 << 15) -#define STS_HALT (1 << 12) - uint32_t or_usbintr; -#define INTR_UE (1 << 0) /* USB interrupt enable */ -#define INTR_UEE (1 << 1) /* USB error interrupt enable */ -#define INTR_PCE (1 << 2) /* Port change detect enable */ -#define INTR_SEE (1 << 4) /* system error enable */ -#define INTR_AAE (1 << 5) /* Interrupt on async adavance enable */ - uint32_t or_frindex; - uint32_t or_ctrldssegment; - uint32_t or_periodiclistbase; - uint32_t or_asynclistaddr; - uint32_t _reserved_[9]; - uint32_t or_configflag; -#define FLAG_CF (1 << 0) /* true: we'll support "high speed" */ - uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS]; - uint32_t or_systune; -} __attribute__ ((packed, aligned(4))); - -#define USBMODE 0x68 /* USB Device mode */ -#define USBMODE_SDIS (1 << 3) /* Stream disable */ -#define USBMODE_BE (1 << 2) /* BE/LE endiannes select */ -#define USBMODE_CM_HC (3 << 0) /* host controller mode */ -#define USBMODE_CM_IDLE (0 << 0) /* idle state */ - -/* Interface descriptor */ -struct usb_linux_interface_descriptor { - unsigned char bLength; - unsigned char bDescriptorType; - unsigned char bInterfaceNumber; - unsigned char bAlternateSetting; - unsigned char bNumEndpoints; - unsigned char bInterfaceClass; - unsigned char bInterfaceSubClass; - unsigned char bInterfaceProtocol; - unsigned char iInterface; -} __attribute__ ((packed)); - -/* Configuration descriptor information.. */ -struct usb_linux_config_descriptor { - unsigned char bLength; - unsigned char bDescriptorType; - unsigned short wTotalLength; - unsigned char bNumInterfaces; - unsigned char bConfigurationValue; - unsigned char iConfiguration; - unsigned char bmAttributes; - unsigned char MaxPower; -} __attribute__ ((packed)); - -#if defined CONFIG_EHCI_DESC_BIG_ENDIAN -#define ehci_readl(x) (*((volatile u32 *)(x))) -#define ehci_writel(a, b) (*((volatile u32 *)(a)) = ((volatile u32)b)) -#else -#define ehci_readl(x) cpu_to_le32((*((volatile u32 *)(x)))) -#define ehci_writel(a, b) (*((volatile u32 *)(a)) = \ - cpu_to_le32(((volatile u32)b))) -#endif - -#if defined CONFIG_EHCI_MMIO_BIG_ENDIAN -#define hc32_to_cpu(x) be32_to_cpu((x)) -#define cpu_to_hc32(x) cpu_to_be32((x)) -#else -#define hc32_to_cpu(x) le32_to_cpu((x)) -#define cpu_to_hc32(x) cpu_to_le32((x)) -#endif - -#define EHCI_PS_WKOC_E (1 << 22) /* RW wake on over current */ -#define EHCI_PS_WKDSCNNT_E (1 << 21) /* RW wake on disconnect */ -#define EHCI_PS_WKCNNT_E (1 << 20) /* RW wake on connect */ -#define EHCI_PS_PO (1 << 13) /* RW port owner */ -#define EHCI_PS_PP (1 << 12) /* RW,RO port power */ -#define EHCI_PS_LS (3 << 10) /* RO line status */ -#define EHCI_PS_PR (1 << 8) /* RW port reset */ -#define EHCI_PS_SUSP (1 << 7) /* RW suspend */ -#define EHCI_PS_FPR (1 << 6) /* RW force port resume */ -#define EHCI_PS_OCC (1 << 5) /* RWC over current change */ -#define EHCI_PS_OCA (1 << 4) /* RO over current active */ -#define EHCI_PS_PEC (1 << 3) /* RWC port enable change */ -#define EHCI_PS_PE (1 << 2) /* RW port enable */ -#define EHCI_PS_CSC (1 << 1) /* RWC connect status change */ -#define EHCI_PS_CS (1 << 0) /* RO connect status */ -#define EHCI_PS_CLEAR (EHCI_PS_OCC | EHCI_PS_PEC | EHCI_PS_CSC) - -#define EHCI_PS_IS_LOWSPEED(x) (((x) & EHCI_PS_LS) == (1 << 10)) - -/* - * Schedule Interface Space. - * - * IMPORTANT: Software must ensure that no interface data structure - * reachable by the EHCI host controller spans a 4K page boundary! - * - * Periodic transfers (i.e. isochronous and interrupt transfers) are - * not supported. - */ - -/* Queue Element Transfer Descriptor (qTD). */ -struct qTD { - /* this part defined by EHCI spec */ - uint32_t qt_next; /* see EHCI 3.5.1 */ -#define QT_NEXT_TERMINATE 1 - uint32_t qt_altnext; /* see EHCI 3.5.2 */ - uint32_t qt_token; /* see EHCI 3.5.3 */ - uint32_t qt_buffer[5]; /* see EHCI 3.5.4 */ - uint32_t qt_buffer_hi[5]; /* Appendix B */ - /* pad struct for 32 byte alignment */ - uint32_t unused[3]; -}; - -/* Queue Head (QH). */ -struct QH { - uint32_t qh_link; -#define QH_LINK_TERMINATE 1 -#define QH_LINK_TYPE_ITD 0 -#define QH_LINK_TYPE_QH 2 -#define QH_LINK_TYPE_SITD 4 -#define QH_LINK_TYPE_FSTN 6 - uint32_t qh_endpt1; - uint32_t qh_endpt2; - uint32_t qh_curtd; - struct qTD qh_overlay; - /* - * Add dummy fill value to make the size of this struct - * aligned to 32 bytes - */ - uint8_t fill[16]; -}; - -/* Low level init functions */ -int ehci_hcd_init(void); -int ehci_hcd_stop(void); - -#endif /* USB_EHCI_H */ diff --git a/include/usb/ehci-core.h b/include/usb/ehci-core.h new file mode 100644 index 0000000..39e5c5e --- /dev/null +++ b/include/usb/ehci-core.h @@ -0,0 +1,29 @@ +/*- + * Copyright (c) 2007-2008, Juniper Networks, Inc. + * Copyright (c) 2008, Excito Elektronik i Skåne AB + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef USB_EHCI_CORE_H +#define USB_EHCI_CORE_H + +extern int rootdev; +extern struct ehci_hccr *hccr; +extern volatile struct ehci_hcor *hcor; + +#endif diff --git a/include/usb/ehci.h b/include/usb/ehci.h new file mode 100644 index 0000000..3d0ad0c --- /dev/null +++ b/include/usb/ehci.h @@ -0,0 +1,203 @@ +/*- + * Copyright (c) 2007-2008, Juniper Networks, Inc. + * Copyright (c) 2008, Michael Trimarchi trimarchimichael@yahoo.it + * All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef USB_EHCI_H +#define USB_EHCI_H + +#if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) +#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 2 +#endif + +/* (shifted) direction/type/recipient from the USB 2.0 spec, table 9.2 */ +#define DeviceRequest \ + ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8) + +#define DeviceOutRequest \ + ((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE) << 8) + +#define InterfaceRequest \ + ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8) + +#define EndpointRequest \ + ((USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8) + +#define EndpointOutRequest \ + ((USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_INTERFACE) << 8) + +/* + * Register Space. + */ +struct ehci_hccr { + uint32_t cr_capbase; +#define HC_LENGTH(p) (((p) >> 0) & 0x00ff) +#define HC_VERSION(p) (((p) >> 16) & 0xffff) + uint32_t cr_hcsparams; +#define HCS_PPC(p) ((p) & (1 << 4)) +#define HCS_INDICATOR(p) ((p) & (1 << 16)) /* Port indicators */ +#define HCS_N_PORTS(p) (((p) >> 0) & 0xf) + uint32_t cr_hccparams; + uint8_t cr_hcsp_portrt[8]; +} __attribute__ ((packed, aligned(4))); + +struct ehci_hcor { + uint32_t or_usbcmd; +#define CMD_PARK (1 << 11) /* enable "park" */ +#define CMD_PARK_CNT(c) (((c) >> 8) & 3) /* how many transfers to park */ +#define CMD_ASE (1 << 5) /* async schedule enable */ +#define CMD_LRESET (1 << 7) /* partial reset */ +#define CMD_IAAD (1 << 5) /* "doorbell" interrupt */ +#define CMD_PSE (1 << 4) /* periodic schedule enable */ +#define CMD_RESET (1 << 1) /* reset HC not bus */ +#define CMD_RUN (1 << 0) /* start/stop HC */ + uint32_t or_usbsts; +#define STD_ASS (1 << 15) +#define STS_HALT (1 << 12) + uint32_t or_usbintr; +#define INTR_UE (1 << 0) /* USB interrupt enable */ +#define INTR_UEE (1 << 1) /* USB error interrupt enable */ +#define INTR_PCE (1 << 2) /* Port change detect enable */ +#define INTR_SEE (1 << 4) /* system error enable */ +#define INTR_AAE (1 << 5) /* Interrupt on async adavance enable */ + uint32_t or_frindex; + uint32_t or_ctrldssegment; + uint32_t or_periodiclistbase; + uint32_t or_asynclistaddr; + uint32_t _reserved_[9]; + uint32_t or_configflag; +#define FLAG_CF (1 << 0) /* true: we'll support "high speed" */ + uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS]; + uint32_t or_systune; +} __attribute__ ((packed, aligned(4))); + +#define USBMODE 0x68 /* USB Device mode */ +#define USBMODE_SDIS (1 << 3) /* Stream disable */ +#define USBMODE_BE (1 << 2) /* BE/LE endiannes select */ +#define USBMODE_CM_HC (3 << 0) /* host controller mode */ +#define USBMODE_CM_IDLE (0 << 0) /* idle state */ + +/* Interface descriptor */ +struct usb_linux_interface_descriptor { + unsigned char bLength; + unsigned char bDescriptorType; + unsigned char bInterfaceNumber; + unsigned char bAlternateSetting; + unsigned char bNumEndpoints; + unsigned char bInterfaceClass; + unsigned char bInterfaceSubClass; + unsigned char bInterfaceProtocol; + unsigned char iInterface; +} __attribute__ ((packed)); + +/* Configuration descriptor information.. */ +struct usb_linux_config_descriptor { + unsigned char bLength; + unsigned char bDescriptorType; + unsigned short wTotalLength; + unsigned char bNumInterfaces; + unsigned char bConfigurationValue; + unsigned char iConfiguration; + unsigned char bmAttributes; + unsigned char MaxPower; +} __attribute__ ((packed)); + +#if defined CONFIG_EHCI_DESC_BIG_ENDIAN +#define ehci_readl(x) (*((volatile u32 *)(x))) +#define ehci_writel(a, b) (*((volatile u32 *)(a)) = ((volatile u32)b)) +#else +#define ehci_readl(x) cpu_to_le32((*((volatile u32 *)(x)))) +#define ehci_writel(a, b) (*((volatile u32 *)(a)) = \ + cpu_to_le32(((volatile u32)b))) +#endif + +#if defined CONFIG_EHCI_MMIO_BIG_ENDIAN +#define hc32_to_cpu(x) be32_to_cpu((x)) +#define cpu_to_hc32(x) cpu_to_be32((x)) +#else +#define hc32_to_cpu(x) le32_to_cpu((x)) +#define cpu_to_hc32(x) cpu_to_le32((x)) +#endif + +#define EHCI_PS_WKOC_E (1 << 22) /* RW wake on over current */ +#define EHCI_PS_WKDSCNNT_E (1 << 21) /* RW wake on disconnect */ +#define EHCI_PS_WKCNNT_E (1 << 20) /* RW wake on connect */ +#define EHCI_PS_PO (1 << 13) /* RW port owner */ +#define EHCI_PS_PP (1 << 12) /* RW,RO port power */ +#define EHCI_PS_LS (3 << 10) /* RO line status */ +#define EHCI_PS_PR (1 << 8) /* RW port reset */ +#define EHCI_PS_SUSP (1 << 7) /* RW suspend */ +#define EHCI_PS_FPR (1 << 6) /* RW force port resume */ +#define EHCI_PS_OCC (1 << 5) /* RWC over current change */ +#define EHCI_PS_OCA (1 << 4) /* RO over current active */ +#define EHCI_PS_PEC (1 << 3) /* RWC port enable change */ +#define EHCI_PS_PE (1 << 2) /* RW port enable */ +#define EHCI_PS_CSC (1 << 1) /* RWC connect status change */ +#define EHCI_PS_CS (1 << 0) /* RO connect status */ +#define EHCI_PS_CLEAR (EHCI_PS_OCC | EHCI_PS_PEC | EHCI_PS_CSC) + +#define EHCI_PS_IS_LOWSPEED(x) (((x) & EHCI_PS_LS) == (1 << 10)) + +/* + * Schedule Interface Space. + * + * IMPORTANT: Software must ensure that no interface data structure + * reachable by the EHCI host controller spans a 4K page boundary! + * + * Periodic transfers (i.e. isochronous and interrupt transfers) are + * not supported. + */ + +/* Queue Element Transfer Descriptor (qTD). */ +struct qTD { + /* this part defined by EHCI spec */ + uint32_t qt_next; /* see EHCI 3.5.1 */ +#define QT_NEXT_TERMINATE 1 + uint32_t qt_altnext; /* see EHCI 3.5.2 */ + uint32_t qt_token; /* see EHCI 3.5.3 */ + uint32_t qt_buffer[5]; /* see EHCI 3.5.4 */ + uint32_t qt_buffer_hi[5]; /* Appendix B */ + /* pad struct for 32 byte alignment */ + uint32_t unused[3]; +}; + +/* Queue Head (QH). */ +struct QH { + uint32_t qh_link; +#define QH_LINK_TERMINATE 1 +#define QH_LINK_TYPE_ITD 0 +#define QH_LINK_TYPE_QH 2 +#define QH_LINK_TYPE_SITD 4 +#define QH_LINK_TYPE_FSTN 6 + uint32_t qh_endpt1; + uint32_t qh_endpt2; + uint32_t qh_curtd; + struct qTD qh_overlay; + /* + * Add dummy fill value to make the size of this struct + * aligned to 32 bytes + */ + uint8_t fill[16]; +}; + +/* Low level init functions */ +int ehci_hcd_init(void); +int ehci_hcd_stop(void); + +#endif /* USB_EHCI_H */