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Diffstat (limited to 'sys/dev/thunderbolt/tb_pcib.h')
| -rw-r--r-- | sys/dev/thunderbolt/tb_pcib.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/sys/dev/thunderbolt/tb_pcib.h b/sys/dev/thunderbolt/tb_pcib.h new file mode 100644 index 000000000000..6928e866a083 --- /dev/null +++ b/sys/dev/thunderbolt/tb_pcib.h @@ -0,0 +1,93 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2022 Scott Long + * 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. + * + * Thunderbolt PCIe bridge/switch definitions + * + * $FreeBSD$ + */ + +#ifndef _TB_PCIB_H +#define _TB_PCIB_H + +DECLARE_CLASS(tb_pcib_driver); + +/* + * The order of the fields is very important. Class inherentence replies on + * implicitly knowing the location of the first 3 fields. + */ +struct tb_pcib_softc { + struct pcib_softc pcibsc; + ACPI_HANDLE ap_handle; + ACPI_BUFFER ap_prt; + device_t dev; + u_int debug; + int vsec; + int flags; + struct sysctl_ctx_list *sysctl_ctx; + struct sysctl_oid *sysctl_tree; +}; + +/* Flags for tb_softc */ +#define TB_GEN_UNK 0x00 +#define TB_GEN_TB1 0x01 +#define TB_GEN_TB2 0x02 +#define TB_GEN_TB3 0x03 +#define TB_GEN_USB4 0x04 +#define TB_GEN_MASK 0x0f +#define TB_HWIF_UNK 0x00 +#define TB_HWIF_AR 0x10 +#define TB_HWIF_TR 0x20 +#define TB_HWIF_ICL 0x30 +#define TB_HWIF_USB4 0x40 +#define TB_HWIF_MASK 0xf0 +#define TB_FLAGS_ISROOT 0x100 +#define TB_FLAGS_ISUFP 0x200 + +#define TB_IS_AR(sc) (((sc)->flags & TB_HWIF_MASK) == TB_HWIF_AR) +#define TB_IS_TR(sc) (((sc)->flags & TB_HWIF_MASK) == TB_HWIF_TR) +#define TB_IS_ICL(sc) (((sc)->flags & TB_HWIF_MASK) == TB_HWIF_ICL) +#define TB_IS_USB4(sc) (((sc)->flags & TB_HWIF_MASK) == TB_HWIF_USB4) + +#define TB_IS_ROOT(sc) (((sc)->flags & TB_FLAGS_ISROOT) != 0) +#define TB_IS_UFP(sc) (((sc)->flags & TB_FLAGS_ISUFP) != 0) +#define TB_IS_DFP(sc) (((sc)->flags & TB_FLAGS_ISUFP) == 0) + +/* PCI IDs for the TB bridges */ +#define TB_DEV_AR_2C 0x1576 +#define TB_DEV_AR_LP 0x15c0 +#define TB_DEV_AR_C_4C 0x15d3 +#define TB_DEV_AR_C_2C 0x15da +#define TB_DEV_ICL_0 0x8a1d +#define TB_DEV_ICL_1 0x8a21 + +#define TB_PCIB_VSEC(dev) ((struct tb_pcib_softc *)(device_get_softc(dev)))->vsec; +#define TB_DESC_MAX 80 + +int tb_pcib_probe_common(device_t, char *); +int tb_pcib_attach_common(device_t dev); + +#endif /* _TB_PCIB_H */ |