1 #ifndef _QIB_7220_H 2 #define _QIB_7220_H 3 /* 4 * Copyright (c) 2007, 2009, 2010 QLogic Corporation. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35 /* grab register-defs auto-generated by HW */ 36 #include "qib_7220_regs.h" 37 38 /* The number of eager receive TIDs for context zero. */ 39 #define IBA7220_KRCVEGRCNT 2048U 40 41 #define IB_7220_LT_STATE_CFGRCVFCFG 0x09 42 #define IB_7220_LT_STATE_CFGWAITRMT 0x0a 43 #define IB_7220_LT_STATE_TXREVLANES 0x0d 44 #define IB_7220_LT_STATE_CFGENH 0x10 45 46 struct qib_chip_specific { 47 u64 __iomem *cregbase; 48 u64 *cntrs; 49 u64 *portcntrs; 50 spinlock_t sdepb_lock; /* serdes EPB bus */ 51 spinlock_t rcvmod_lock; /* protect rcvctrl shadow changes */ 52 spinlock_t gpio_lock; /* RMW of shadows/regs for ExtCtrl and GPIO */ 53 u64 hwerrmask; 54 u64 errormask; 55 u64 gpio_out; /* shadow of kr_gpio_out, for rmw ops */ 56 u64 gpio_mask; /* shadow the gpio mask register */ 57 u64 extctrl; /* shadow the gpio output enable, etc... */ 58 u32 ncntrs; 59 u32 nportcntrs; 60 u32 cntrnamelen; 61 u32 portcntrnamelen; 62 u32 numctxts; 63 u32 rcvegrcnt; 64 u32 autoneg_tries; 65 u32 serdes_first_init_done; 66 u32 sdmabufcnt; 67 u32 lastbuf_for_pio; 68 u32 updthresh; /* current AvailUpdThld */ 69 u32 updthresh_dflt; /* default AvailUpdThld */ 70 u8 presets_needed; 71 u8 relock_timer_active; 72 char emsgbuf[128]; 73 char sdmamsgbuf[192]; 74 char bitsmsgbuf[64]; 75 struct timer_list relock_timer; 76 unsigned int relock_interval; /* in jiffies */ 77 struct qib_devdata *dd; 78 }; 79 80 struct qib_chippport_specific { 81 struct qib_pportdata pportdata; 82 wait_queue_head_t autoneg_wait; 83 struct delayed_work autoneg_work; 84 struct timer_list chase_timer; 85 /* 86 * these 5 fields are used to establish deltas for IB symbol 87 * errors and linkrecovery errors. They can be reported on 88 * some chips during link negotiation prior to INIT, and with 89 * DDR when faking DDR negotiations with non-IBTA switches. 90 * The chip counters are adjusted at driver unload if there is 91 * a non-zero delta. 92 */ 93 u64 ibdeltainprog; 94 u64 ibsymdelta; 95 u64 ibsymsnap; 96 u64 iblnkerrdelta; 97 u64 iblnkerrsnap; 98 u64 ibcctrl; /* kr_ibcctrl shadow */ 99 u64 ibcddrctrl; /* kr_ibcddrctrl shadow */ 100 unsigned long chase_end; 101 u32 last_delay_mult; 102 }; 103 104 /* 105 * This header file provides the declarations and common definitions 106 * for (mostly) manipulation of the SerDes blocks within the IBA7220. 107 * the functions declared should only be called from within other 108 * 7220-related files such as qib_iba7220.c or qib_sd7220.c. 109 */ 110 int qib_sd7220_presets(struct qib_devdata *dd); 111 int qib_sd7220_init(struct qib_devdata *dd); 112 void qib_sd7220_clr_ibpar(struct qib_devdata *); 113 /* 114 * Below used for sdnum parameter, selecting one of the two sections 115 * used for PCIe, or the single SerDes used for IB, which is the 116 * only one currently used 117 */ 118 #define IB_7220_SERDES 2 119 120 static inline u32 qib_read_kreg32(const struct qib_devdata *dd, 121 const u16 regno) 122 { 123 if (!dd->kregbase || !(dd->flags & QIB_PRESENT)) 124 return -1; 125 return readl((u32 __iomem *)&dd->kregbase[regno]); 126 } 127 128 static inline u64 qib_read_kreg64(const struct qib_devdata *dd, 129 const u16 regno) 130 { 131 if (!dd->kregbase || !(dd->flags & QIB_PRESENT)) 132 return -1; 133 134 return readq(&dd->kregbase[regno]); 135 } 136 137 static inline void qib_write_kreg(const struct qib_devdata *dd, 138 const u16 regno, u64 value) 139 { 140 if (dd->kregbase) 141 writeq(value, &dd->kregbase[regno]); 142 } 143 144 void set_7220_relock_poll(struct qib_devdata *, int); 145 void shutdown_7220_relock_poll(struct qib_devdata *); 146 void toggle_7220_rclkrls(struct qib_devdata *); 147 148 149 #endif /* _QIB_7220_H */ 150