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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_PCI_CAP_H
#define _SYS_PCI_CAP_H
#ifdef __cplusplus
extern "C" {
#endif
#define PCI_CAP_XCFG_FLAG_SHIFT 31
#define PCI_CAP_XCFG_FLAG (1u << PCI_CAP_XCFG_FLAG_SHIFT)
/* Function Prototypes */
int pci_xcap_locate(ddi_acc_handle_t h, uint16_t id, uint16_t *base_p);
int pci_lcap_locate(ddi_acc_handle_t h, uint8_t id, uint16_t *base_p);
int pci_htcap_locate(ddi_acc_handle_t h, uint16_t reg_mask, uint16_t reg_val,
uint16_t *base_p);
/* Extract the lower 16 bits Extended CFG SPACE */
#define PCI_CAP_XID_MASK 0xffff
/* Extract the lower 8 bits Extended CFG SPACE */
#define PCI_CAP_ID_MASK 0xff
#define PCI_CAP_XCFG_SPC(i) ((i) ? (i) | PCI_CAP_XCFG_FLAG : 0)
#ifdef DEBUG
#define PCI_CAP_DBG if (pci_cap_debug) printf
#else
#define PCI_CAP_DBG _NOTE(CONSTANTCONDITION) if (0) printf
#endif /* DEBUG */
/* 2's complement of -1, added here to ameliorate testing for invalid data */
#define PCI_CAP_EINVAL8 0xff
#define PCI_CAP_EINVAL16 0xffff
#define PCI_CAP_EINVAL32 0xffffffff
/*
* Supported Config Size Reads/Writes
*/
typedef enum {
PCI_CAP_CFGSZ_8 = 0,
PCI_CAP_CFGSZ_16 = 1,
PCI_CAP_CFGSZ_32 = 2
} pci_cap_config_size_t;
/* Define Macros */
#define PCI_CAP_LOCATE(h, id, base_p) ((id) & PCI_CAP_XCFG_FLAG ? \
pci_xcap_locate(h, (uint16_t)((id) & PCI_CAP_XID_MASK), base_p) : \
pci_lcap_locate(h, (uint8_t)((id) & PCI_CAP_ID_MASK), base_p))
#define PCI_CAP_GET8(h, i, b, o) ((uint8_t) \
pci_cap_get(h, PCI_CAP_CFGSZ_8, i, b, o))
#define PCI_CAP_GET16(h, i, b, o) ((uint16_t) \
pci_cap_get(h, PCI_CAP_CFGSZ_16, i, b, o))
#define PCI_CAP_GET32(h, i, b, o) ((uint32_t) \
pci_cap_get(h, PCI_CAP_CFGSZ_32, i, b, o))
#define PCI_CAP_PUT8(h, i, b, o, d) \
pci_cap_put(h, PCI_CAP_CFGSZ_8, i, b, o, d)
#define PCI_CAP_PUT16(h, i, b, o, d) \
pci_cap_put(h, PCI_CAP_CFGSZ_16, i, b, o, d)
#define PCI_CAP_PUT32(h, i, b, o, d) \
pci_cap_put(h, PCI_CAP_CFGSZ_32, i, b, o, d)
#define PCI_XCAP_GET8(h, i, b, o) ((uint8_t) \
pci_cap_get(h, PCI_CAP_CFGSZ_8, PCI_CAP_XCFG_SPC(i), b, o))
#define PCI_XCAP_GET16(h, i, b, o) ((uint16_t) \
pci_cap_get(h, PCI_CAP_CFGSZ_16, PCI_CAP_XCFG_SPC(i), b, o))
#define PCI_XCAP_GET32(h, i, b, o) ((uint32_t) \
pci_cap_get(h, PCI_CAP_CFGSZ_32, PCI_CAP_XCFG_SPC(i), b, o))
#define PCI_XCAP_PUT8(h, i, b, o, d) \
pci_cap_put(h, PCI_CAP_CFGSZ_8, PCI_CAP_XCFG_SPC(i), b, o, d)
#define PCI_XCAP_PUT16(h, i, b, o, d) \
pci_cap_put(h, PCI_CAP_CFGSZ_16, PCI_CAP_XCFG_SPC(i), b, o, d)
#define PCI_XCAP_PUT32(h, i, b, o, d) \
pci_cap_put(h, PCI_CAP_CFGSZ_32, PCI_CAP_XCFG_SPC(i), b, o, d)
extern int pci_cap_probe(ddi_acc_handle_t h, uint16_t index,
uint32_t *id_p, uint16_t *base_p);
extern uint32_t pci_cap_get(ddi_acc_handle_t h, pci_cap_config_size_t size,
uint32_t id, uint16_t base, uint16_t offset);
extern int pci_cap_put(ddi_acc_handle_t h, pci_cap_config_size_t size,
uint32_t id, uint16_t base, uint16_t offset, uint32_t data);
extern int pci_cap_read(ddi_acc_handle_t h, uint32_t id, uint16_t base,
uint32_t *buf_p, uint32_t nwords);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_PCI_CAP_H */
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