1f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell#ifndef _QIB_7220_H 2f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell#define _QIB_7220_H 3f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell/* 4f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * Copyright (c) 2007, 2009, 2010 QLogic Corporation. All rights reserved. 5f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * 6f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * This software is available to you under a choice of one of two 7f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * licenses. You may choose to be licensed under the terms of the GNU 8f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * General Public License (GPL) Version 2, available from the file 9f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * COPYING in the main directory of this source tree, or the 10f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * OpenIB.org BSD license below: 11f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * 12f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * Redistribution and use in source and binary forms, with or 13f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * without modification, are permitted provided that the following 14f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * conditions are met: 15f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * 16f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * - Redistributions of source code must retain the above 17f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * copyright notice, this list of conditions and the following 18f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * disclaimer. 19f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * 20f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * - Redistributions in binary form must reproduce the above 21f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * copyright notice, this list of conditions and the following 22f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * disclaimer in the documentation and/or other materials 23f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * provided with the distribution. 24f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * 25f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * SOFTWARE. 33f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell */ 34f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 35f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell/* grab register-defs auto-generated by HW */ 36f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell#include "qib_7220_regs.h" 37f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 38f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell/* The number of eager receive TIDs for context zero. */ 39f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell#define IBA7220_KRCVEGRCNT 2048U 40f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 41f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell#define IB_7220_LT_STATE_CFGRCVFCFG 0x09 42f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell#define IB_7220_LT_STATE_CFGWAITRMT 0x0a 43f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell#define IB_7220_LT_STATE_TXREVLANES 0x0d 44f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell#define IB_7220_LT_STATE_CFGENH 0x10 45f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 46f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellstruct qib_chip_specific { 47f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 __iomem *cregbase; 48f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 *cntrs; 49f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 *portcntrs; 50f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell spinlock_t sdepb_lock; /* serdes EPB bus */ 51f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell spinlock_t rcvmod_lock; /* protect rcvctrl shadow changes */ 52f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell spinlock_t gpio_lock; /* RMW of shadows/regs for ExtCtrl and GPIO */ 53f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 hwerrmask; 54f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 errormask; 55f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 gpio_out; /* shadow of kr_gpio_out, for rmw ops */ 56f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 gpio_mask; /* shadow the gpio mask register */ 57f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 extctrl; /* shadow the gpio output enable, etc... */ 58f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 ncntrs; 59f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 nportcntrs; 60f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 cntrnamelen; 61f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 portcntrnamelen; 62f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 numctxts; 63f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 rcvegrcnt; 64f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 autoneg_tries; 65f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 serdes_first_init_done; 66f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 sdmabufcnt; 67f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 lastbuf_for_pio; 68f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 updthresh; /* current AvailUpdThld */ 69f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 updthresh_dflt; /* default AvailUpdThld */ 70f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell int irq; 71f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u8 presets_needed; 72f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u8 relock_timer_active; 73f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell char emsgbuf[128]; 74f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell char sdmamsgbuf[192]; 75f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell char bitsmsgbuf[64]; 76f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell struct timer_list relock_timer; 77f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell unsigned int relock_interval; /* in jiffies */ 78f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell}; 79f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 80f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellstruct qib_chippport_specific { 81f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell struct qib_pportdata pportdata; 82f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell wait_queue_head_t autoneg_wait; 83f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell struct delayed_work autoneg_work; 84f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell struct timer_list chase_timer; 85f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell /* 86f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * these 5 fields are used to establish deltas for IB symbol 87f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * errors and linkrecovery errors. They can be reported on 88f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * some chips during link negotiation prior to INIT, and with 89f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * DDR when faking DDR negotiations with non-IBTA switches. 90f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * The chip counters are adjusted at driver unload if there is 91f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * a non-zero delta. 92f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell */ 93f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 ibdeltainprog; 94f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 ibsymdelta; 95f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 ibsymsnap; 96f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 iblnkerrdelta; 97f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 iblnkerrsnap; 98f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 ibcctrl; /* kr_ibcctrl shadow */ 99f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u64 ibcddrctrl; /* kr_ibcddrctrl shadow */ 1008482d5d1bc18c17429a89ad37f8b74d5a16de239Mike Marciniszyn unsigned long chase_end; 101f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell u32 last_delay_mult; 102f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell}; 103f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 104f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell/* 105f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * This header file provides the declarations and common definitions 106f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * for (mostly) manipulation of the SerDes blocks within the IBA7220. 107f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * the functions declared should only be called from within other 108f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * 7220-related files such as qib_iba7220.c or qib_sd7220.c. 109f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell */ 110f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellint qib_sd7220_presets(struct qib_devdata *dd); 111f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellint qib_sd7220_init(struct qib_devdata *dd); 112f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellvoid qib_sd7220_clr_ibpar(struct qib_devdata *); 113f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell/* 114f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * Below used for sdnum parameter, selecting one of the two sections 115f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * used for PCIe, or the single SerDes used for IB, which is the 116f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell * only one currently used 117f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell */ 118f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell#define IB_7220_SERDES 2 119f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 120f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellstatic inline u32 qib_read_kreg32(const struct qib_devdata *dd, 121f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell const u16 regno) 122f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell{ 123f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell if (!dd->kregbase || !(dd->flags & QIB_PRESENT)) 124f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell return -1; 125f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell return readl((u32 __iomem *)&dd->kregbase[regno]); 126f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell} 127f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 128f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellstatic inline u64 qib_read_kreg64(const struct qib_devdata *dd, 129f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell const u16 regno) 130f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell{ 131f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell if (!dd->kregbase || !(dd->flags & QIB_PRESENT)) 132f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell return -1; 133f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 134f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell return readq(&dd->kregbase[regno]); 135f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell} 136f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 137f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellstatic inline void qib_write_kreg(const struct qib_devdata *dd, 138f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell const u16 regno, u64 value) 139f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell{ 140f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell if (dd->kregbase) 141f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell writeq(value, &dd->kregbase[regno]); 142f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell} 143f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 144f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellvoid set_7220_relock_poll(struct qib_devdata *, int); 145f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellvoid shutdown_7220_relock_poll(struct qib_devdata *); 146f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbellvoid toggle_7220_rclkrls(struct qib_devdata *); 147f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 148f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell 149f931551bafe1f10ded7f5282e2aa162c267a2e5dRalph Campbell#endif /* _QIB_7220_H */ 150