blob: 71d8bc4c27f635e42542b82bbee5e679027a850f [file] [log] [blame]
Geoff Levand6a6c9572007-01-15 20:12:10 -08001/*
2 * PS3 OHCI Host Controller driver
3 *
4 * Copyright (C) 2006 Sony Computer Entertainment Inc.
5 * Copyright 2006 Sony Corp.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
Geoff Levand7a4eb7f2007-06-05 20:04:35 -070021#include <asm/firmware.h>
Geoff Levand6a6c9572007-01-15 20:12:10 -080022#include <asm/ps3.h>
23
24static int ps3_ohci_hc_reset(struct usb_hcd *hcd)
25{
26 struct ohci_hcd *ohci = hcd_to_ohci(hcd);
27
28 ohci->flags |= OHCI_QUIRK_BE_MMIO;
29 ohci_hcd_init(ohci);
30 return ohci_init(ohci);
31}
32
Bill Pemberton41ac7b32012-11-19 13:21:48 -050033static int ps3_ohci_hc_start(struct usb_hcd *hcd)
Geoff Levand6a6c9572007-01-15 20:12:10 -080034{
35 int result;
36 struct ohci_hcd *ohci = hcd_to_ohci(hcd);
37
38 /* Handle root hub init quirk in spider south bridge. */
39 /* Also set PwrOn2PwrGood to 0x7f (254ms). */
40
41 ohci_writel(ohci, 0x7f000000 | RH_A_PSM | RH_A_OCPM,
42 &ohci->regs->roothub.a);
43 ohci_writel(ohci, 0x00060000, &ohci->regs->roothub.b);
44
45 result = ohci_run(ohci);
46
47 if (result < 0) {
Greg Kroah-Hartman8ab60ea2012-04-27 11:24:43 -070048 dev_err(hcd->self.controller, "can't start %s\n",
49 hcd->self.bus_name);
Geoff Levand6a6c9572007-01-15 20:12:10 -080050 ohci_stop(hcd);
51 }
52
53 return result;
54}
55
56static const struct hc_driver ps3_ohci_hc_driver = {
57 .description = hcd_name,
58 .product_desc = "PS3 OHCI Host Controller",
59 .hcd_priv_size = sizeof(struct ohci_hcd),
60 .irq = ohci_irq,
61 .flags = HCD_MEMORY | HCD_USB11,
62 .reset = ps3_ohci_hc_reset,
63 .start = ps3_ohci_hc_start,
64 .stop = ohci_stop,
65 .shutdown = ohci_shutdown,
66 .urb_enqueue = ohci_urb_enqueue,
67 .urb_dequeue = ohci_urb_dequeue,
68 .endpoint_disable = ohci_endpoint_disable,
69 .get_frame_number = ohci_get_frame,
70 .hub_status_data = ohci_hub_status_data,
71 .hub_control = ohci_hub_control,
Geoff Levand6a6c9572007-01-15 20:12:10 -080072 .start_port_reset = ohci_start_port_reset,
73#if defined(CONFIG_PM)
74 .bus_suspend = ohci_bus_suspend,
75 .bus_resume = ohci_bus_resume,
76#endif
77};
78
Bill Pemberton41ac7b32012-11-19 13:21:48 -050079static int ps3_ohci_probe(struct ps3_system_bus_device *dev)
Geoff Levand6a6c9572007-01-15 20:12:10 -080080{
81 int result;
82 struct usb_hcd *hcd;
83 unsigned int virq;
Yang Hongyang284901a2009-04-06 19:01:15 -070084 static u64 dummy_mask = DMA_BIT_MASK(32);
Geoff Levand6a6c9572007-01-15 20:12:10 -080085
86 if (usb_disabled()) {
87 result = -ENODEV;
88 goto fail_start;
89 }
90
Geoff Levand7a4eb7f2007-06-05 20:04:35 -070091 result = ps3_open_hv_device(dev);
92
93 if (result) {
94 dev_dbg(&dev->core, "%s:%d: ps3_open_hv_device failed: %s\n",
95 __func__, __LINE__, ps3_result(result));
96 result = -EPERM;
97 goto fail_open;
98 }
99
100 result = ps3_dma_region_create(dev->d_region);
101
102 if (result) {
103 dev_dbg(&dev->core, "%s:%d: ps3_dma_region_create failed: "
104 "(%d)\n", __func__, __LINE__, result);
105 BUG_ON("check region type");
106 goto fail_dma_region;
107 }
108
Geoff Levand6a6c9572007-01-15 20:12:10 -0800109 result = ps3_mmio_region_create(dev->m_region);
110
111 if (result) {
112 dev_dbg(&dev->core, "%s:%d: ps3_map_mmio_region failed\n",
113 __func__, __LINE__);
114 result = -EPERM;
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700115 goto fail_mmio_region;
Geoff Levand6a6c9572007-01-15 20:12:10 -0800116 }
117
118 dev_dbg(&dev->core, "%s:%d: mmio mapped_addr %lxh\n", __func__,
119 __LINE__, dev->m_region->lpar_addr);
120
Geoff Levanddc4f60c2007-05-01 07:01:01 +1000121 result = ps3_io_irq_setup(PS3_BINDING_CPU_ANY, dev->interrupt_id, &virq);
Geoff Levand6a6c9572007-01-15 20:12:10 -0800122
123 if (result) {
124 dev_dbg(&dev->core, "%s:%d: ps3_construct_io_irq(%d) failed.\n",
125 __func__, __LINE__, virq);
126 result = -EPERM;
127 goto fail_irq;
128 }
129
Geoff Levand6a6c9572007-01-15 20:12:10 -0800130 dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */
131
Kay Sievers7071a3c2008-05-02 06:02:41 +0200132 hcd = usb_create_hcd(&ps3_ohci_hc_driver, &dev->core, dev_name(&dev->core));
Geoff Levand6a6c9572007-01-15 20:12:10 -0800133
134 if (!hcd) {
135 dev_dbg(&dev->core, "%s:%d: usb_create_hcd failed\n", __func__,
136 __LINE__);
137 result = -ENOMEM;
138 goto fail_create_hcd;
139 }
140
141 hcd->rsrc_start = dev->m_region->lpar_addr;
142 hcd->rsrc_len = dev->m_region->len;
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700143
144 if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name))
145 dev_dbg(&dev->core, "%s:%d: request_mem_region failed\n",
146 __func__, __LINE__);
147
Geoff Levand6a6c9572007-01-15 20:12:10 -0800148 hcd->regs = ioremap(dev->m_region->lpar_addr, dev->m_region->len);
149
150 if (!hcd->regs) {
151 dev_dbg(&dev->core, "%s:%d: ioremap failed\n", __func__,
152 __LINE__);
153 result = -EPERM;
154 goto fail_ioremap;
155 }
156
157 dev_dbg(&dev->core, "%s:%d: hcd->rsrc_start %lxh\n", __func__, __LINE__,
158 (unsigned long)hcd->rsrc_start);
159 dev_dbg(&dev->core, "%s:%d: hcd->rsrc_len %lxh\n", __func__, __LINE__,
160 (unsigned long)hcd->rsrc_len);
161 dev_dbg(&dev->core, "%s:%d: hcd->regs %lxh\n", __func__, __LINE__,
162 (unsigned long)hcd->regs);
163 dev_dbg(&dev->core, "%s:%d: virq %lu\n", __func__, __LINE__,
164 (unsigned long)virq);
165
Geert Uytterhoeven03fa68c2009-06-10 04:38:54 +0000166 ps3_system_bus_set_drvdata(dev, hcd);
Geoff Levand6a6c9572007-01-15 20:12:10 -0800167
Yong Zhangb5dd18d2011-09-07 16:10:52 +0800168 result = usb_add_hcd(hcd, virq, 0);
Geoff Levand6a6c9572007-01-15 20:12:10 -0800169
170 if (result) {
171 dev_dbg(&dev->core, "%s:%d: usb_add_hcd failed (%d)\n",
172 __func__, __LINE__, result);
173 goto fail_add_hcd;
174 }
175
Peter Chen3c9740a2013-11-05 10:46:02 +0800176 device_wakeup_enable(hcd->self.controller);
Geoff Levand6a6c9572007-01-15 20:12:10 -0800177 return result;
178
179fail_add_hcd:
180 iounmap(hcd->regs);
181fail_ioremap:
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700182 release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
Geoff Levand6a6c9572007-01-15 20:12:10 -0800183 usb_put_hcd(hcd);
184fail_create_hcd:
Geoff Levanddc4f60c2007-05-01 07:01:01 +1000185 ps3_io_irq_destroy(virq);
Geoff Levand6a6c9572007-01-15 20:12:10 -0800186fail_irq:
187 ps3_free_mmio_region(dev->m_region);
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700188fail_mmio_region:
189 ps3_dma_region_free(dev->d_region);
190fail_dma_region:
191 ps3_close_hv_device(dev);
192fail_open:
Geoff Levand6a6c9572007-01-15 20:12:10 -0800193fail_start:
194 return result;
195}
196
Geoff Levandddcb01f2008-10-31 13:52:54 -0700197static int ps3_ohci_remove(struct ps3_system_bus_device *dev)
Geoff Levand6a6c9572007-01-15 20:12:10 -0800198{
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700199 unsigned int tmp;
Geert Uytterhoeven03fa68c2009-06-10 04:38:54 +0000200 struct usb_hcd *hcd = ps3_system_bus_get_drvdata(dev);
Geoff Levand6a6c9572007-01-15 20:12:10 -0800201
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700202 BUG_ON(!hcd);
203
204 dev_dbg(&dev->core, "%s:%d: regs %p\n", __func__, __LINE__, hcd->regs);
205 dev_dbg(&dev->core, "%s:%d: irq %u\n", __func__, __LINE__, hcd->irq);
206
207 tmp = hcd->irq;
208
Geoff Levandddcb01f2008-10-31 13:52:54 -0700209 ohci_shutdown(hcd);
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700210 usb_remove_hcd(hcd);
211
Geert Uytterhoeven03fa68c2009-06-10 04:38:54 +0000212 ps3_system_bus_set_drvdata(dev, NULL);
Geoff Levand6a6c9572007-01-15 20:12:10 -0800213
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700214 BUG_ON(!hcd->regs);
215 iounmap(hcd->regs);
216
217 release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
218 usb_put_hcd(hcd);
219
220 ps3_io_irq_destroy(tmp);
221 ps3_free_mmio_region(dev->m_region);
222
223 ps3_dma_region_free(dev->d_region);
224 ps3_close_hv_device(dev);
225
Geoff Levand6a6c9572007-01-15 20:12:10 -0800226 return 0;
227}
228
Geert Uytterhoeven31348512009-06-10 04:38:59 +0000229static int __init ps3_ohci_driver_register(struct ps3_system_bus_driver *drv)
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700230{
231 return firmware_has_feature(FW_FEATURE_PS3_LV1)
232 ? ps3_system_bus_driver_register(drv)
233 : 0;
234}
Geoff Levand6a6c9572007-01-15 20:12:10 -0800235
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700236static void ps3_ohci_driver_unregister(struct ps3_system_bus_driver *drv)
237{
238 if (firmware_has_feature(FW_FEATURE_PS3_LV1))
239 ps3_system_bus_driver_unregister(drv);
240}
241
242MODULE_ALIAS(PS3_MODULE_ALIAS_OHCI);
243
244static struct ps3_system_bus_driver ps3_ohci_driver = {
245 .core.name = "ps3-ohci-driver",
246 .core.owner = THIS_MODULE,
Geoff Levand6a6c9572007-01-15 20:12:10 -0800247 .match_id = PS3_MATCH_ID_OHCI,
Geoff Levand7a4eb7f2007-06-05 20:04:35 -0700248 .probe = ps3_ohci_probe,
249 .remove = ps3_ohci_remove,
250 .shutdown = ps3_ohci_remove,
Geoff Levand6a6c9572007-01-15 20:12:10 -0800251};