coreboot-kgpe-d16/payloads/libpayload/drivers/usb/ehci_private.h

267 lines
7.1 KiB
C

/*
* This file is part of the libpayload project.
*
* Copyright (C) 2010 coresystems GmbH
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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 __EHCI_PRIVATE_H
#define __EHCI_PRIVATE_H
#include <pci.h>
#include <usb/usb.h>
#define USBBASE 0x10
#define FLADJ 0x61
#define FLADJ_framelength(x) (((x)-59488)/16)
typedef union {
u32 val;
volatile struct {
unsigned long current_conn_status:1;
unsigned long conn_status_change:1;
unsigned long port_enable:1;
unsigned long port_enable_change:1;
unsigned long overcurrent:1;
unsigned long overcurrent_change:1;
unsigned long force_port_resume:1;
unsigned long suspend:1;
unsigned long port_reset:1;
unsigned long:1;
unsigned long line_status:2;
unsigned long pp:1;
unsigned long port_owner:1;
unsigned long port_indicator_control:2;
unsigned long port_test_control:4;
unsigned long wake_on_connect_en:1;
unsigned long wake_on_disconnect_en:1;
unsigned long wake_on_overcurrent_en:1;
unsigned long:9;
} __attribute__ ((packed));
} __attribute__ ((packed)) portsc_t;
typedef struct {
u8 caplength;
u8 res1;
u16 hciversion;
union {
u32 hcsparams;
struct {
unsigned long n_ports:4;
unsigned long ppc:1;
unsigned long:2;
unsigned long port_routing_rules:1;
unsigned long n_pcc:4;
unsigned long n_cc:4;
unsigned long p_indicator:1;
unsigned long:3;
unsigned long debug_port_number:4;
unsigned long:8;
} __attribute__ ((packed));
};
union {
u32 hccparams;
struct {
unsigned long cap_64b_addr:1;
unsigned long cap_prog_framelist_size:1;
unsigned long cap_async_park:1;
unsigned long:1;
unsigned long isoc_sched_threshold:4;
unsigned long eecp:8;
unsigned long:16;
} __attribute__ ((packed));
};
union {
u64 hcsp_portroute;
struct {
unsigned long portroute0:4;
unsigned long portroute1:4;
unsigned long portroute2:4;
unsigned long portroute3:4;
unsigned long portroute4:4;
unsigned long portroute5:4;
unsigned long portroute6:4;
unsigned long portroute7:4;
unsigned long portroute8:4;
unsigned long portroute9:4;
unsigned long portroute10:4;
unsigned long portroute11:4;
unsigned long portroute12:4;
unsigned long portroute13:4;
unsigned long portroute14:4;
unsigned long portroute15:4;
unsigned long:4;
} __attribute__ ((packed));
};
} __attribute__ ((packed)) hc_cap_t;
typedef struct {
union {
u32 usbcmd;
volatile struct {
unsigned long rs:1;
unsigned long hcreset:1;
unsigned long frame_list_size:2;
unsigned long periodic_sched_enable:1;
unsigned long async_sched_enable:1;
unsigned long irq_on_async_advance_doorbell:1;
unsigned long light_hc_reset:1;
unsigned long async_sched_park_mode_count:2;
unsigned long:1;
unsigned long async_sched_park_mode_enable:1;
unsigned long:4;
unsigned long irq_threshold_count:8;
unsigned long:8;
} __attribute__ ((packed));
};
union {
u32 usbsts;
struct {
unsigned long usbint:1;
unsigned long usberrint:1;
unsigned long port_change_detect:1;
unsigned long frame_list_rollover:1;
unsigned long host_system_error:1;
unsigned long irq_on_async_advance:1;
unsigned long:6;
unsigned long hchalted:1;
unsigned long reclamation:1;
unsigned long periodic_sched_status:1;
unsigned long async_sched_status:1;
unsigned long:16;
} __attribute__ ((packed));
};
union {
u32 usbintr;
struct {
unsigned long en_usb_irq:1;
unsigned long en_usb_err_irq:1;
unsigned long en_port_change_irq:1;
unsigned long en_frame_list_rollover_irq:1;
unsigned long en_host_system_error_irq:1;
unsigned long en_irq_on_async_advance:1;
unsigned long:26;
} __attribute__ ((packed));
};
u32 frindex;
u32 ctrldssegment;
u32 periodiclistbase;
u32 asynclistaddr;
u8 res1[0x3f-0x1c];
u32 configflag;
portsc_t portsc[0];
} hc_op_t;
typedef struct {
union {
u32 next_qtd;
struct {
unsigned long terminate:1;
unsigned long:4;
unsigned long:27;
} __attribute__ ((packed));
};
union {
u32 alt_next_qtd;
struct {
unsigned long alt_terminate:1;
unsigned long:4;
unsigned long:27;
} __attribute__ ((packed));
};
struct {
union {
volatile u8 status;
struct {
volatile unsigned long perr:1;
volatile unsigned long splitxstate:1;
volatile unsigned long missed_mframe:1;
volatile unsigned long xact_err:1;
volatile unsigned long babble:1;
volatile unsigned long data_buf_err:1;
volatile unsigned long halted:1;
volatile unsigned long active:1;
} __attribute__ ((packed));
};
unsigned long pid:2;
volatile unsigned long cerr:2;
volatile unsigned long c_page:3;
unsigned long ioc:1;
volatile unsigned long total_len:15;
volatile unsigned long dt:1;
} __attribute__ ((packed));
union {
u32 bufptr0;
struct {
volatile unsigned long cur_off:12;
unsigned long:20;
} __attribute__ ((packed));
};
u32 bufptrs[4];
u32 bufptrs64[5];
} __attribute__ ((packed)) qtd_t;
typedef struct {
union {
u32 horiz_link_ptr;
struct {
unsigned long terminate:1;
unsigned long type:2;
unsigned long:1;
unsigned long:28;
} __attribute__ ((packed));
};
struct {
unsigned long addr:7;
unsigned long inactivate:1;
unsigned long ep:4;
unsigned long eps:2;
unsigned long dtc:1;
unsigned long reclaim_head:1;
unsigned long max_packet_len:11;
unsigned long non_hs_control_ep:1;
unsigned long nak_cnt_reload:4;
} __attribute__ ((packed));
struct {
unsigned long irq_sched_mask:8;
unsigned long split_compl_mask:8;
unsigned long hub_addr:7;
unsigned long port_num:7;
unsigned long pipe_multiplier:2;
} __attribute__ ((packed));
volatile u32 current_td_ptr;
volatile qtd_t td;
} ehci_qh_t;
typedef struct ehci {
hc_cap_t *capabilities;
hc_op_t *operation;
} ehci_t;
#define EHCI_INST(controller) ((ehci_t*)((controller)->instance))
#endif