1/*
2 * Copyright (c) HighPoint Technologies, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28#include <dev/hptrr/hptrr_config.h>
29/* $Id: os_bsd.c,v 1.11 2005/06/03 14:06:38 kdh Exp $
30 *
31 * HighPoint RAID Driver for FreeBSD
32 * Copyright (C) 2005 HighPoint Technologies, Inc. All Rights Reserved.
33 */
34
35#include <dev/hptrr/os_bsd.h>
36
37/* hardware access */
38HPT_U8   os_inb  (void *port) { return inb((unsigned)(HPT_UPTR)port); }
39HPT_U16  os_inw  (void *port) { return inw((unsigned)(HPT_UPTR)port); }
40HPT_U32  os_inl  (void *port) { return inl((unsigned)(HPT_UPTR)port); }
41
42void os_outb (void *port, HPT_U8 value) { outb((unsigned)(HPT_UPTR)port, (value)); }
43void os_outw (void *port, HPT_U16 value) { outw((unsigned)(HPT_UPTR)port, (value)); }
44void os_outl (void *port, HPT_U32 value) { outl((unsigned)(HPT_UPTR)port, (value)); }
45
46void os_insw (void *port, HPT_U16 *buffer, HPT_U32 count)
47{ insw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
48
49void os_outsw(void *port, HPT_U16 *buffer, HPT_U32 count)
50{ outsw((unsigned)(HPT_UPTR)port, (void *)buffer, count); }
51
52HPT_U32 __dummy_reg = 0;
53
54/* PCI configuration space */
55HPT_U8  os_pci_readb (void *osext, HPT_U8 offset)
56{
57    return  pci_read_config(((PHBA)osext)->pcidev, offset, 1);
58}
59
60HPT_U16 os_pci_readw (void *osext, HPT_U8 offset)
61{
62    return  pci_read_config(((PHBA)osext)->pcidev, offset, 2);
63}
64
65HPT_U32 os_pci_readl (void *osext, HPT_U8 offset)
66{
67    return  pci_read_config(((PHBA)osext)->pcidev, offset, 4);
68}
69
70void os_pci_writeb (void *osext, HPT_U8 offset, HPT_U8 value)
71{
72    pci_write_config(((PHBA)osext)->pcidev, offset, value, 1);
73}
74
75void os_pci_writew (void *osext, HPT_U8 offset, HPT_U16 value)
76{
77    pci_write_config(((PHBA)osext)->pcidev, offset, value, 2);
78}
79
80void os_pci_writel (void *osext, HPT_U8 offset, HPT_U32 value)
81{
82    pci_write_config(((PHBA)osext)->pcidev, offset, value, 4);
83}
84
85void *os_map_pci_bar(
86    void *osext,
87    int index,
88    HPT_U32 offset,
89    HPT_U32 length
90)
91{
92	PHBA hba = (PHBA)osext;
93
94    hba->pcibar[index].rid = 0x10 + index * 4;
95
96    if (pci_read_config(hba->pcidev, hba->pcibar[index].rid, 4) & 1)
97    	hba->pcibar[index].type = SYS_RES_IOPORT;
98    else
99    	hba->pcibar[index].type = SYS_RES_MEMORY;
100
101    hba->pcibar[index].res = bus_alloc_resource_any(hba->pcidev,
102		hba->pcibar[index].type, &hba->pcibar[index].rid, RF_ACTIVE);
103
104	hba->pcibar[index].base = (char *)rman_get_virtual(hba->pcibar[index].res) + offset;
105	return hba->pcibar[index].base;
106}
107
108void os_unmap_pci_bar(void *osext, void *base)
109{
110	PHBA hba = (PHBA)osext;
111	int index;
112
113	for (index=0; index<6; index++) {
114		if (hba->pcibar[index].base==base) {
115			bus_release_resource(hba->pcidev, hba->pcibar[index].type,
116				hba->pcibar[index].rid, hba->pcibar[index].res);
117			hba->pcibar[index].base = 0;
118			return;
119		}
120	}
121}
122
123void freelist_reserve(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT count)
124{
125    PVBUS_EXT vbus_ext = osext;
126
127    if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
128        vbus_ext = ((PHBA)osext)->vbus_ext;
129
130    list->next = vbus_ext->freelist_head;
131    vbus_ext->freelist_head = list;
132    list->dma = 0;
133    list->size = size;
134    list->head = 0;
135#if DBG
136    list->reserved_count =
137#endif
138    list->count = count;
139}
140
141void *freelist_get(struct freelist *list)
142{
143    void * result;
144    if (list->count) {
145        HPT_ASSERT(list->head);
146        result = list->head;
147        list->head = *(void **)result;
148        list->count--;
149        return result;
150    }
151    return 0;
152}
153
154void freelist_put(struct freelist * list, void *p)
155{
156    HPT_ASSERT(list->dma==0);
157    list->count++;
158    *(void **)p = list->head;
159    list->head = p;
160}
161
162void freelist_reserve_dma(struct freelist *list, void *osext, HPT_UINT size, HPT_UINT alignment, HPT_UINT count)
163{
164    PVBUS_EXT vbus_ext = osext;
165
166    if (vbus_ext->ext_type!=EXT_TYPE_VBUS)
167        vbus_ext = ((PHBA)osext)->vbus_ext;
168
169    list->next = vbus_ext->freelist_dma_head;
170    vbus_ext->freelist_dma_head = list;
171    list->dma = 1;
172    list->alignment = alignment;
173    list->size = size;
174    list->head = 0;
175#if DBG
176    list->reserved_count =
177#endif
178    list->count = count;
179}
180
181void *freelist_get_dma(struct freelist *list, BUS_ADDRESS *busaddr)
182{
183    void *result;
184    HPT_ASSERT(list->dma);
185    result = freelist_get(list);
186    if (result)
187        *busaddr = *(BUS_ADDRESS *)((void **)result+1);
188    return result;
189}
190
191void freelist_put_dma(struct freelist *list, void *p, BUS_ADDRESS busaddr)
192{
193    HPT_ASSERT(list->dma);
194    list->count++;
195    *(void **)p = list->head;
196    *(BUS_ADDRESS *)((void **)p+1) = busaddr;
197    list->head = p;
198}
199
200HPT_U32 os_get_stamp(void)
201{
202    HPT_U32 stamp;
203    do { stamp = random(); } while (stamp==0);
204    return stamp;
205}
206
207void os_stallexec(HPT_U32 microseconds)
208{
209    DELAY(microseconds);
210}
211
212static void os_timer_for_ldm(void *arg)
213{
214	PVBUS_EXT vbus_ext = (PVBUS_EXT)arg;
215	ldm_on_timer((PVBUS)vbus_ext->vbus);
216}
217
218void  os_request_timer(void * osext, HPT_U32 interval)
219{
220	PVBUS_EXT vbus_ext = osext;
221
222	HPT_ASSERT(vbus_ext->ext_type==EXT_TYPE_VBUS);
223
224	callout_reset_sbt(&vbus_ext->timer, SBT_1US * interval, 0,
225	    os_timer_for_ldm, vbus_ext, 0);
226}
227
228HPT_TIME os_query_time(void)
229{
230	return ticks * (1000000 / hz);
231}
232
233void os_schedule_task(void *osext, OSM_TASK *task)
234{
235	PVBUS_EXT vbus_ext = osext;
236
237	HPT_ASSERT(task->next==0);
238
239	if (vbus_ext->tasks==0)
240		vbus_ext->tasks = task;
241	else {
242		OSM_TASK *t = vbus_ext->tasks;
243		while (t->next) t = t->next;
244		t->next = task;
245	}
246
247	if (vbus_ext->worker.ta_context)
248		TASK_ENQUEUE(&vbus_ext->worker);
249}
250
251int os_revalidate_device(void *osext, int id)
252{
253
254    return 0;
255}
256
257int os_query_remove_device(void *osext, int id)
258{
259	return 0;
260}
261
262HPT_U8 os_get_vbus_seq(void *osext)
263{
264    return ((PVBUS_EXT)osext)->sim->path_id;
265}
266
267int  os_printk(char *fmt, ...)
268{
269    va_list args;
270    static char buf[512];
271
272    va_start(args, fmt);
273    vsnprintf(buf, sizeof(buf), fmt, args);
274    va_end(args);
275    return printf("%s: %s\n", driver_name, buf);
276}
277
278#if DBG
279void os_check_stack(const char *location, int size){}
280
281void __os_dbgbreak(const char *file, int line)
282{
283    printf("*** break at %s:%d ***", file, line);
284    while (1);
285}
286
287int hptrr_dbg_level = 1;
288#endif
289