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-rw-r--r--drivers/usb/host/ohci-hcd.c21
-rw-r--r--drivers/usb/host/ohci-ps3.c196
2 files changed, 216 insertions, 1 deletions
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 2c4a6299e4c6..fa6a7ceaa0db 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -919,10 +919,16 @@ MODULE_LICENSE ("GPL");
919#define OF_PLATFORM_DRIVER ohci_hcd_ppc_of_driver 919#define OF_PLATFORM_DRIVER ohci_hcd_ppc_of_driver
920#endif 920#endif
921 921
922#ifdef CONFIG_PPC_PS3
923#include "ohci-ps3.c"
924#define PS3_SYSTEM_BUS_DRIVER ps3_ohci_sb_driver
925#endif
926
922#if !defined(PCI_DRIVER) && \ 927#if !defined(PCI_DRIVER) && \
923 !defined(PLATFORM_DRIVER) && \ 928 !defined(PLATFORM_DRIVER) && \
924 !defined(OF_PLATFORM_DRIVER) && \ 929 !defined(OF_PLATFORM_DRIVER) && \
925 !defined(SA1111_DRIVER) 930 !defined(SA1111_DRIVER) && \
931 !defined(PS3_SYSTEM_BUS_DRIVER)
926#error "missing bus glue for ohci-hcd" 932#error "missing bus glue for ohci-hcd"
927#endif 933#endif
928 934
@@ -937,6 +943,12 @@ static int __init ohci_hcd_mod_init(void)
937 pr_debug ("%s: block sizes: ed %Zd td %Zd\n", hcd_name, 943 pr_debug ("%s: block sizes: ed %Zd td %Zd\n", hcd_name,
938 sizeof (struct ed), sizeof (struct td)); 944 sizeof (struct ed), sizeof (struct td));
939 945
946#ifdef PS3_SYSTEM_BUS_DRIVER
947 retval = ps3_system_bus_driver_register(&PS3_SYSTEM_BUS_DRIVER);
948 if (retval < 0)
949 goto error_ps3;
950#endif
951
940#ifdef PLATFORM_DRIVER 952#ifdef PLATFORM_DRIVER
941 retval = platform_driver_register(&PLATFORM_DRIVER); 953 retval = platform_driver_register(&PLATFORM_DRIVER);
942 if (retval < 0) 954 if (retval < 0)
@@ -979,6 +991,10 @@ static int __init ohci_hcd_mod_init(void)
979 platform_driver_unregister(&PLATFORM_DRIVER); 991 platform_driver_unregister(&PLATFORM_DRIVER);
980 error_platform: 992 error_platform:
981#endif 993#endif
994#ifdef PS3_SYSTEM_BUS_DRIVER
995 ps3_system_bus_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
996 error_ps3:
997#endif
982 return retval; 998 return retval;
983} 999}
984module_init(ohci_hcd_mod_init); 1000module_init(ohci_hcd_mod_init);
@@ -997,6 +1013,9 @@ static void __exit ohci_hcd_mod_exit(void)
997#ifdef PLATFORM_DRIVER 1013#ifdef PLATFORM_DRIVER
998 platform_driver_unregister(&PLATFORM_DRIVER); 1014 platform_driver_unregister(&PLATFORM_DRIVER);
999#endif 1015#endif
1016#ifdef PS3_SYSTEM_BUS_DRIVER
1017 ps3_system_bus_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
1018#endif
1000} 1019}
1001module_exit(ohci_hcd_mod_exit); 1020module_exit(ohci_hcd_mod_exit);
1002 1021
diff --git a/drivers/usb/host/ohci-ps3.c b/drivers/usb/host/ohci-ps3.c
new file mode 100644
index 000000000000..69d948b4a701
--- /dev/null
+++ b/drivers/usb/host/ohci-ps3.c
@@ -0,0 +1,196 @@
1/*
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
21#include <asm/ps3.h>
22
23static int ps3_ohci_hc_reset(struct usb_hcd *hcd)
24{
25 struct ohci_hcd *ohci = hcd_to_ohci(hcd);
26
27 ohci->flags |= OHCI_QUIRK_BE_MMIO;
28 ohci_hcd_init(ohci);
29 return ohci_init(ohci);
30}
31
32static int __devinit ps3_ohci_hc_start(struct usb_hcd *hcd)
33{
34 int result;
35 struct ohci_hcd *ohci = hcd_to_ohci(hcd);
36
37 /* Handle root hub init quirk in spider south bridge. */
38 /* Also set PwrOn2PwrGood to 0x7f (254ms). */
39
40 ohci_writel(ohci, 0x7f000000 | RH_A_PSM | RH_A_OCPM,
41 &ohci->regs->roothub.a);
42 ohci_writel(ohci, 0x00060000, &ohci->regs->roothub.b);
43
44 result = ohci_run(ohci);
45
46 if (result < 0) {
47 err("can't start %s", hcd->self.bus_name);
48 ohci_stop(hcd);
49 }
50
51 return result;
52}
53
54static const struct hc_driver ps3_ohci_hc_driver = {
55 .description = hcd_name,
56 .product_desc = "PS3 OHCI Host Controller",
57 .hcd_priv_size = sizeof(struct ohci_hcd),
58 .irq = ohci_irq,
59 .flags = HCD_MEMORY | HCD_USB11,
60 .reset = ps3_ohci_hc_reset,
61 .start = ps3_ohci_hc_start,
62 .stop = ohci_stop,
63 .shutdown = ohci_shutdown,
64 .urb_enqueue = ohci_urb_enqueue,
65 .urb_dequeue = ohci_urb_dequeue,
66 .endpoint_disable = ohci_endpoint_disable,
67 .get_frame_number = ohci_get_frame,
68 .hub_status_data = ohci_hub_status_data,
69 .hub_control = ohci_hub_control,
70 .hub_irq_enable = ohci_rhsc_enable,
71 .start_port_reset = ohci_start_port_reset,
72#if defined(CONFIG_PM)
73 .bus_suspend = ohci_bus_suspend,
74 .bus_resume = ohci_bus_resume,
75#endif
76};
77
78/* redefine dev_dbg to do a syntax check */
79
80#if !defined(DEBUG)
81#undef dev_dbg
82static inline int __attribute__ ((format (printf, 2, 3))) dev_dbg(
83 const struct device *_dev, const char *fmt, ...) {return 0;}
84#endif
85
86static int ps3_ohci_sb_probe(struct ps3_system_bus_device *dev)
87{
88 int result;
89 struct usb_hcd *hcd;
90 unsigned int virq;
91 static u64 dummy_mask = DMA_32BIT_MASK;
92
93 if (usb_disabled()) {
94 result = -ENODEV;
95 goto fail_start;
96 }
97
98 result = ps3_mmio_region_create(dev->m_region);
99
100 if (result) {
101 dev_dbg(&dev->core, "%s:%d: ps3_map_mmio_region failed\n",
102 __func__, __LINE__);
103 result = -EPERM;
104 goto fail_mmio;
105 }
106
107 dev_dbg(&dev->core, "%s:%d: mmio mapped_addr %lxh\n", __func__,
108 __LINE__, dev->m_region->lpar_addr);
109
110 result = ps3_alloc_io_irq(dev->interrupt_id, &virq);
111
112 if (result) {
113 dev_dbg(&dev->core, "%s:%d: ps3_construct_io_irq(%d) failed.\n",
114 __func__, __LINE__, virq);
115 result = -EPERM;
116 goto fail_irq;
117 }
118
119 dev->core.power.power_state = PMSG_ON;
120 dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */
121
122 hcd = usb_create_hcd(&ps3_ohci_hc_driver, &dev->core, dev->core.bus_id);
123
124 if (!hcd) {
125 dev_dbg(&dev->core, "%s:%d: usb_create_hcd failed\n", __func__,
126 __LINE__);
127 result = -ENOMEM;
128 goto fail_create_hcd;
129 }
130
131 hcd->rsrc_start = dev->m_region->lpar_addr;
132 hcd->rsrc_len = dev->m_region->len;
133 hcd->regs = ioremap(dev->m_region->lpar_addr, dev->m_region->len);
134
135 if (!hcd->regs) {
136 dev_dbg(&dev->core, "%s:%d: ioremap failed\n", __func__,
137 __LINE__);
138 result = -EPERM;
139 goto fail_ioremap;
140 }
141
142 dev_dbg(&dev->core, "%s:%d: hcd->rsrc_start %lxh\n", __func__, __LINE__,
143 (unsigned long)hcd->rsrc_start);
144 dev_dbg(&dev->core, "%s:%d: hcd->rsrc_len %lxh\n", __func__, __LINE__,
145 (unsigned long)hcd->rsrc_len);
146 dev_dbg(&dev->core, "%s:%d: hcd->regs %lxh\n", __func__, __LINE__,
147 (unsigned long)hcd->regs);
148 dev_dbg(&dev->core, "%s:%d: virq %lu\n", __func__, __LINE__,
149 (unsigned long)virq);
150
151 ps3_system_bus_set_driver_data(dev, hcd);
152
153 result = usb_add_hcd(hcd, virq, IRQF_DISABLED);
154
155 if (result) {
156 dev_dbg(&dev->core, "%s:%d: usb_add_hcd failed (%d)\n",
157 __func__, __LINE__, result);
158 goto fail_add_hcd;
159 }
160
161 return result;
162
163fail_add_hcd:
164 iounmap(hcd->regs);
165fail_ioremap:
166 usb_put_hcd(hcd);
167fail_create_hcd:
168 ps3_free_io_irq(virq);
169fail_irq:
170 ps3_free_mmio_region(dev->m_region);
171fail_mmio:
172fail_start:
173 return result;
174}
175
176static int ps3_ohci_sb_remove (struct ps3_system_bus_device *dev)
177{
178 struct usb_hcd *hcd =
179 (struct usb_hcd *)ps3_system_bus_get_driver_data(dev);
180
181 usb_put_hcd(hcd);
182 ps3_system_bus_set_driver_data(dev, NULL);
183
184 return 0;
185}
186
187MODULE_ALIAS("ps3-ohci");
188
189static struct ps3_system_bus_driver ps3_ohci_sb_driver = {
190 .match_id = PS3_MATCH_ID_OHCI,
191 .core = {
192 .name = "ps3-ohci-driver",
193 },
194 .probe = ps3_ohci_sb_probe,
195 .remove = ps3_ohci_sb_remove,
196};