linux-user, arm: add syscall table generation support
[qemu.git] / hw / pcmcia / pxa2xx.c
1 /*
2 * Intel XScale PXA255/270 PC Card and CompactFlash Interface.
3 *
4 * Copyright (c) 2006 Openedhand Ltd.
5 * Written by Andrzej Zaborowski <balrog@zabor.org>
6 *
7 * This code is licensed under the GPLv2.
8 *
9 * Contributions after 2012-01-13 are licensed under the terms of the
10 * GNU GPL, version 2 or (at your option) any later version.
11 */
12
13 #include "qemu/osdep.h"
14 #include "hw/irq.h"
15 #include "hw/sysbus.h"
16 #include "qemu/module.h"
17 #include "hw/pcmcia.h"
18 #include "hw/arm/pxa.h"
19
20 #define TYPE_PXA2XX_PCMCIA "pxa2xx-pcmcia"
21 #define PXA2XX_PCMCIA(obj) \
22 OBJECT_CHECK(PXA2xxPCMCIAState, obj, TYPE_PXA2XX_PCMCIA)
23
24 struct PXA2xxPCMCIAState {
25 SysBusDevice parent_obj;
26
27 PCMCIASocket slot;
28 MemoryRegion container_mem;
29 MemoryRegion common_iomem;
30 MemoryRegion attr_iomem;
31 MemoryRegion iomem;
32
33 qemu_irq irq;
34 qemu_irq cd_irq;
35
36 PCMCIACardState *card;
37 };
38
39 static uint64_t pxa2xx_pcmcia_common_read(void *opaque,
40 hwaddr offset, unsigned size)
41 {
42 PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque;
43 PCMCIACardClass *pcc;
44
45 if (s->slot.attached) {
46 pcc = PCMCIA_CARD_GET_CLASS(s->card);
47 return pcc->common_read(s->card, offset);
48 }
49
50 return 0;
51 }
52
53 static void pxa2xx_pcmcia_common_write(void *opaque, hwaddr offset,
54 uint64_t value, unsigned size)
55 {
56 PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque;
57 PCMCIACardClass *pcc;
58
59 if (s->slot.attached) {
60 pcc = PCMCIA_CARD_GET_CLASS(s->card);
61 pcc->common_write(s->card, offset, value);
62 }
63 }
64
65 static uint64_t pxa2xx_pcmcia_attr_read(void *opaque,
66 hwaddr offset, unsigned size)
67 {
68 PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque;
69 PCMCIACardClass *pcc;
70
71 if (s->slot.attached) {
72 pcc = PCMCIA_CARD_GET_CLASS(s->card);
73 return pcc->attr_read(s->card, offset);
74 }
75
76 return 0;
77 }
78
79 static void pxa2xx_pcmcia_attr_write(void *opaque, hwaddr offset,
80 uint64_t value, unsigned size)
81 {
82 PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque;
83 PCMCIACardClass *pcc;
84
85 if (s->slot.attached) {
86 pcc = PCMCIA_CARD_GET_CLASS(s->card);
87 pcc->attr_write(s->card, offset, value);
88 }
89 }
90
91 static uint64_t pxa2xx_pcmcia_io_read(void *opaque,
92 hwaddr offset, unsigned size)
93 {
94 PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque;
95 PCMCIACardClass *pcc;
96
97 if (s->slot.attached) {
98 pcc = PCMCIA_CARD_GET_CLASS(s->card);
99 return pcc->io_read(s->card, offset);
100 }
101
102 return 0;
103 }
104
105 static void pxa2xx_pcmcia_io_write(void *opaque, hwaddr offset,
106 uint64_t value, unsigned size)
107 {
108 PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque;
109 PCMCIACardClass *pcc;
110
111 if (s->slot.attached) {
112 pcc = PCMCIA_CARD_GET_CLASS(s->card);
113 pcc->io_write(s->card, offset, value);
114 }
115 }
116
117 static const MemoryRegionOps pxa2xx_pcmcia_common_ops = {
118 .read = pxa2xx_pcmcia_common_read,
119 .write = pxa2xx_pcmcia_common_write,
120 .endianness = DEVICE_NATIVE_ENDIAN
121 };
122
123 static const MemoryRegionOps pxa2xx_pcmcia_attr_ops = {
124 .read = pxa2xx_pcmcia_attr_read,
125 .write = pxa2xx_pcmcia_attr_write,
126 .endianness = DEVICE_NATIVE_ENDIAN
127 };
128
129 static const MemoryRegionOps pxa2xx_pcmcia_io_ops = {
130 .read = pxa2xx_pcmcia_io_read,
131 .write = pxa2xx_pcmcia_io_write,
132 .endianness = DEVICE_NATIVE_ENDIAN
133 };
134
135 static void pxa2xx_pcmcia_set_irq(void *opaque, int line, int level)
136 {
137 PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque;
138 if (!s->irq)
139 return;
140
141 qemu_set_irq(s->irq, level);
142 }
143
144 PXA2xxPCMCIAState *pxa2xx_pcmcia_init(MemoryRegion *sysmem,
145 hwaddr base)
146 {
147 DeviceState *dev;
148 PXA2xxPCMCIAState *s;
149
150 dev = qdev_create(NULL, TYPE_PXA2XX_PCMCIA);
151 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
152 s = PXA2XX_PCMCIA(dev);
153
154 qdev_init_nofail(dev);
155
156 return s;
157 }
158
159 static void pxa2xx_pcmcia_initfn(Object *obj)
160 {
161 SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
162 PXA2xxPCMCIAState *s = PXA2XX_PCMCIA(obj);
163
164 memory_region_init(&s->container_mem, obj, "container", 0x10000000);
165 sysbus_init_mmio(sbd, &s->container_mem);
166
167 /* Socket I/O Memory Space */
168 memory_region_init_io(&s->iomem, obj, &pxa2xx_pcmcia_io_ops, s,
169 "pxa2xx-pcmcia-io", 0x04000000);
170 memory_region_add_subregion(&s->container_mem, 0x00000000,
171 &s->iomem);
172
173 /* Then next 64 MB is reserved */
174
175 /* Socket Attribute Memory Space */
176 memory_region_init_io(&s->attr_iomem, obj, &pxa2xx_pcmcia_attr_ops, s,
177 "pxa2xx-pcmcia-attribute", 0x04000000);
178 memory_region_add_subregion(&s->container_mem, 0x08000000,
179 &s->attr_iomem);
180
181 /* Socket Common Memory Space */
182 memory_region_init_io(&s->common_iomem, obj, &pxa2xx_pcmcia_common_ops, s,
183 "pxa2xx-pcmcia-common", 0x04000000);
184 memory_region_add_subregion(&s->container_mem, 0x0c000000,
185 &s->common_iomem);
186
187 s->slot.irq = qemu_allocate_irq(pxa2xx_pcmcia_set_irq, s, 0);
188
189 object_property_add_link(obj, "card", TYPE_PCMCIA_CARD,
190 (Object **)&s->card,
191 NULL, /* read-only property */
192 0, NULL);
193 }
194
195 /* Insert a new card into a slot */
196 int pxa2xx_pcmcia_attach(void *opaque, PCMCIACardState *card)
197 {
198 PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque;
199 PCMCIACardClass *pcc;
200
201 if (s->slot.attached) {
202 return -EEXIST;
203 }
204
205 if (s->cd_irq) {
206 qemu_irq_raise(s->cd_irq);
207 }
208
209 s->card = card;
210 pcc = PCMCIA_CARD_GET_CLASS(s->card);
211
212 s->slot.attached = true;
213 s->card->slot = &s->slot;
214 pcc->attach(s->card);
215
216 return 0;
217 }
218
219 /* Eject card from the slot */
220 int pxa2xx_pcmcia_detach(void *opaque)
221 {
222 PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque;
223 PCMCIACardClass *pcc;
224
225 if (!s->slot.attached) {
226 return -ENOENT;
227 }
228
229 pcc = PCMCIA_CARD_GET_CLASS(s->card);
230 pcc->detach(s->card);
231 s->card->slot = NULL;
232 s->card = NULL;
233
234 s->slot.attached = false;
235
236 if (s->irq) {
237 qemu_irq_lower(s->irq);
238 }
239 if (s->cd_irq) {
240 qemu_irq_lower(s->cd_irq);
241 }
242
243 return 0;
244 }
245
246 /* Who to notify on card events */
247 void pxa2xx_pcmcia_set_irq_cb(void *opaque, qemu_irq irq, qemu_irq cd_irq)
248 {
249 PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque;
250 s->irq = irq;
251 s->cd_irq = cd_irq;
252 }
253
254 static const TypeInfo pxa2xx_pcmcia_type_info = {
255 .name = TYPE_PXA2XX_PCMCIA,
256 .parent = TYPE_SYS_BUS_DEVICE,
257 .instance_size = sizeof(PXA2xxPCMCIAState),
258 .instance_init = pxa2xx_pcmcia_initfn,
259 };
260
261 static void pxa2xx_pcmcia_register_types(void)
262 {
263 type_register_static(&pxa2xx_pcmcia_type_info);
264 }
265
266 type_init(pxa2xx_pcmcia_register_types)