Commit | Line | Data |
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6a6c957e GL |
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 | ||
7a4eb7fd | 21 | #include <asm/firmware.h> |
6a6c957e GL |
22 | #include <asm/ps3.h> |
23 | ||
24 | static 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 | ||
41ac7b3a | 33 | static int ps3_ohci_hc_start(struct usb_hcd *hcd) |
6a6c957e GL |
34 | { |
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) { | |
8ab60ea0 GKH |
48 | dev_err(hcd->self.controller, "can't start %s\n", |
49 | hcd->self.bus_name); | |
6a6c957e GL |
50 | ohci_stop(hcd); |
51 | } | |
52 | ||
53 | return result; | |
54 | } | |
55 | ||
56 | static 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, | |
6a6c957e GL |
72 | .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 | ||
41ac7b3a | 79 | static int ps3_ohci_probe(struct ps3_system_bus_device *dev) |
6a6c957e GL |
80 | { |
81 | int result; | |
82 | struct usb_hcd *hcd; | |
83 | unsigned int virq; | |
284901a9 | 84 | static u64 dummy_mask = DMA_BIT_MASK(32); |
6a6c957e GL |
85 | |
86 | if (usb_disabled()) { | |
87 | result = -ENODEV; | |
88 | goto fail_start; | |
89 | } | |
90 | ||
7a4eb7fd GL |
91 | 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 | ||
6a6c957e GL |
109 | 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; | |
7a4eb7fd | 115 | goto fail_mmio_region; |
6a6c957e GL |
116 | } |
117 | ||
118 | dev_dbg(&dev->core, "%s:%d: mmio mapped_addr %lxh\n", __func__, | |
119 | __LINE__, dev->m_region->lpar_addr); | |
120 | ||
dc4f60c2 | 121 | result = ps3_io_irq_setup(PS3_BINDING_CPU_ANY, dev->interrupt_id, &virq); |
6a6c957e GL |
122 | |
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 | ||
6a6c957e GL |
130 | dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ |
131 | ||
7071a3ce | 132 | hcd = usb_create_hcd(&ps3_ohci_hc_driver, &dev->core, dev_name(&dev->core)); |
6a6c957e GL |
133 | |
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; | |
7a4eb7fd GL |
143 | |
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 | ||
6a6c957e GL |
148 | 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 | ||
03fa68c2 | 166 | ps3_system_bus_set_drvdata(dev, hcd); |
6a6c957e | 167 | |
b5dd18d8 | 168 | result = usb_add_hcd(hcd, virq, 0); |
6a6c957e GL |
169 | |
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 | ||
3c9740a1 | 176 | device_wakeup_enable(hcd->self.controller); |
6a6c957e GL |
177 | return result; |
178 | ||
179 | fail_add_hcd: | |
180 | iounmap(hcd->regs); | |
181 | fail_ioremap: | |
7a4eb7fd | 182 | release_mem_region(hcd->rsrc_start, hcd->rsrc_len); |
6a6c957e GL |
183 | usb_put_hcd(hcd); |
184 | fail_create_hcd: | |
dc4f60c2 | 185 | ps3_io_irq_destroy(virq); |
6a6c957e GL |
186 | fail_irq: |
187 | ps3_free_mmio_region(dev->m_region); | |
7a4eb7fd GL |
188 | fail_mmio_region: |
189 | ps3_dma_region_free(dev->d_region); | |
190 | fail_dma_region: | |
191 | ps3_close_hv_device(dev); | |
192 | fail_open: | |
6a6c957e GL |
193 | fail_start: |
194 | return result; | |
195 | } | |
196 | ||
ddcb01ff | 197 | static int ps3_ohci_remove(struct ps3_system_bus_device *dev) |
6a6c957e | 198 | { |
7a4eb7fd | 199 | unsigned int tmp; |
03fa68c2 | 200 | struct usb_hcd *hcd = ps3_system_bus_get_drvdata(dev); |
6a6c957e | 201 | |
7a4eb7fd GL |
202 | 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 | ||
ddcb01ff | 209 | ohci_shutdown(hcd); |
7a4eb7fd GL |
210 | usb_remove_hcd(hcd); |
211 | ||
03fa68c2 | 212 | ps3_system_bus_set_drvdata(dev, NULL); |
6a6c957e | 213 | |
7a4eb7fd GL |
214 | 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 | ||
6a6c957e GL |
226 | return 0; |
227 | } | |
228 | ||
31348517 | 229 | static int __init ps3_ohci_driver_register(struct ps3_system_bus_driver *drv) |
7a4eb7fd GL |
230 | { |
231 | return firmware_has_feature(FW_FEATURE_PS3_LV1) | |
232 | ? ps3_system_bus_driver_register(drv) | |
233 | : 0; | |
234 | } | |
235 | ||
236 | static 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 | ||
242 | MODULE_ALIAS(PS3_MODULE_ALIAS_OHCI); | |
6a6c957e | 243 | |
7a4eb7fd GL |
244 | static struct ps3_system_bus_driver ps3_ohci_driver = { |
245 | .core.name = "ps3-ohci-driver", | |
246 | .core.owner = THIS_MODULE, | |
6a6c957e | 247 | .match_id = PS3_MATCH_ID_OHCI, |
7a4eb7fd GL |
248 | .probe = ps3_ohci_probe, |
249 | .remove = ps3_ohci_remove, | |
250 | .shutdown = ps3_ohci_remove, | |
6a6c957e | 251 | }; |