Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 1 | /* |
| 2 | * PS3 EHCI 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 Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 21 | #include <asm/firmware.h> |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 22 | #include <asm/ps3.h> |
| 23 | |
| 24 | static int ps3_ehci_hc_reset(struct usb_hcd *hcd) |
| 25 | { |
| 26 | int result; |
| 27 | struct ehci_hcd *ehci = hcd_to_ehci(hcd); |
| 28 | |
| 29 | ehci->big_endian_mmio = 1; |
| 30 | |
| 31 | ehci->caps = hcd->regs; |
| 32 | ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci, |
| 33 | &ehci->caps->hc_capbase)); |
| 34 | |
| 35 | dbg_hcs_params(ehci, "reset"); |
| 36 | dbg_hcc_params(ehci, "reset"); |
| 37 | |
| 38 | ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); |
| 39 | |
| 40 | result = ehci_halt(ehci); |
| 41 | |
| 42 | if (result) |
| 43 | return result; |
| 44 | |
| 45 | result = ehci_init(hcd); |
| 46 | |
| 47 | if (result) |
| 48 | return result; |
| 49 | |
Marcelo Tosatti | af1c51f | 2007-08-20 18:13:27 -0700 | [diff] [blame] | 50 | ehci_reset(ehci); |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 51 | |
| 52 | return result; |
| 53 | } |
| 54 | |
| 55 | static const struct hc_driver ps3_ehci_hc_driver = { |
| 56 | .description = hcd_name, |
| 57 | .product_desc = "PS3 EHCI Host Controller", |
| 58 | .hcd_priv_size = sizeof(struct ehci_hcd), |
| 59 | .irq = ehci_irq, |
| 60 | .flags = HCD_MEMORY | HCD_USB2, |
| 61 | .reset = ps3_ehci_hc_reset, |
| 62 | .start = ehci_run, |
| 63 | .stop = ehci_stop, |
| 64 | .shutdown = ehci_shutdown, |
| 65 | .urb_enqueue = ehci_urb_enqueue, |
| 66 | .urb_dequeue = ehci_urb_dequeue, |
| 67 | .endpoint_disable = ehci_endpoint_disable, |
Alan Stern | b18ffd4 | 2009-05-27 18:21:56 -0400 | [diff] [blame] | 68 | .endpoint_reset = ehci_endpoint_reset, |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 69 | .get_frame_number = ehci_get_frame, |
| 70 | .hub_status_data = ehci_hub_status_data, |
| 71 | .hub_control = ehci_hub_control, |
| 72 | #if defined(CONFIG_PM) |
| 73 | .bus_suspend = ehci_bus_suspend, |
| 74 | .bus_resume = ehci_bus_resume, |
| 75 | #endif |
Balaji Rao | 90da096 | 2007-11-22 01:58:14 +0530 | [diff] [blame] | 76 | .relinquish_port = ehci_relinquish_port, |
Alan Stern | 3a31155 | 2008-05-20 16:58:29 -0400 | [diff] [blame] | 77 | .port_handed_over = ehci_port_handed_over, |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 78 | }; |
| 79 | |
Geert Uytterhoeven | 3134851 | 2009-06-10 04:38:59 +0000 | [diff] [blame] | 80 | static int __devinit ps3_ehci_probe(struct ps3_system_bus_device *dev) |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 81 | { |
| 82 | int result; |
| 83 | struct usb_hcd *hcd; |
| 84 | unsigned int virq; |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 85 | static u64 dummy_mask = DMA_BIT_MASK(32); |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 86 | |
| 87 | if (usb_disabled()) { |
| 88 | result = -ENODEV; |
| 89 | goto fail_start; |
| 90 | } |
| 91 | |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 92 | result = ps3_open_hv_device(dev); |
| 93 | |
| 94 | if (result) { |
| 95 | dev_dbg(&dev->core, "%s:%d: ps3_open_hv_device failed\n", |
| 96 | __func__, __LINE__); |
| 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 Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 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; |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 115 | goto fail_mmio_region; |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | dev_dbg(&dev->core, "%s:%d: mmio mapped_addr %lxh\n", __func__, |
| 119 | __LINE__, dev->m_region->lpar_addr); |
| 120 | |
Geoff Levand | dc4f60c | 2007-05-01 07:01:01 +1000 | [diff] [blame] | 121 | result = ps3_io_irq_setup(PS3_BINDING_CPU_ANY, dev->interrupt_id, &virq); |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 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 | |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 130 | dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ |
| 131 | |
Kay Sievers | 7071a3c | 2008-05-02 06:02:41 +0200 | [diff] [blame] | 132 | hcd = usb_create_hcd(&ps3_ehci_hc_driver, &dev->core, dev_name(&dev->core)); |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 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; |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 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 | |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 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 | |
Geert Uytterhoeven | 03fa68c | 2009-06-10 04:38:54 +0000 | [diff] [blame] | 166 | ps3_system_bus_set_drvdata(dev, hcd); |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 167 | |
| 168 | result = usb_add_hcd(hcd, virq, IRQF_DISABLED); |
| 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 | |
| 176 | return result; |
| 177 | |
| 178 | fail_add_hcd: |
| 179 | iounmap(hcd->regs); |
| 180 | fail_ioremap: |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 181 | release_mem_region(hcd->rsrc_start, hcd->rsrc_len); |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 182 | usb_put_hcd(hcd); |
| 183 | fail_create_hcd: |
Geoff Levand | dc4f60c | 2007-05-01 07:01:01 +1000 | [diff] [blame] | 184 | ps3_io_irq_destroy(virq); |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 185 | fail_irq: |
| 186 | ps3_free_mmio_region(dev->m_region); |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 187 | fail_mmio_region: |
| 188 | ps3_dma_region_free(dev->d_region); |
| 189 | fail_dma_region: |
| 190 | ps3_close_hv_device(dev); |
| 191 | fail_open: |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 192 | fail_start: |
| 193 | return result; |
| 194 | } |
| 195 | |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 196 | static int ps3_ehci_remove(struct ps3_system_bus_device *dev) |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 197 | { |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 198 | unsigned int tmp; |
Geert Uytterhoeven | 03fa68c | 2009-06-10 04:38:54 +0000 | [diff] [blame] | 199 | struct usb_hcd *hcd = ps3_system_bus_get_drvdata(dev); |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 200 | |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 201 | BUG_ON(!hcd); |
| 202 | |
| 203 | dev_dbg(&dev->core, "%s:%d: regs %p\n", __func__, __LINE__, hcd->regs); |
| 204 | dev_dbg(&dev->core, "%s:%d: irq %u\n", __func__, __LINE__, hcd->irq); |
| 205 | |
| 206 | tmp = hcd->irq; |
| 207 | |
Geoff Levand | ddcb01f | 2008-10-31 13:52:54 -0700 | [diff] [blame] | 208 | ehci_shutdown(hcd); |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 209 | usb_remove_hcd(hcd); |
| 210 | |
Geert Uytterhoeven | 03fa68c | 2009-06-10 04:38:54 +0000 | [diff] [blame] | 211 | ps3_system_bus_set_drvdata(dev, NULL); |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 212 | |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 213 | BUG_ON(!hcd->regs); |
| 214 | iounmap(hcd->regs); |
| 215 | |
| 216 | release_mem_region(hcd->rsrc_start, hcd->rsrc_len); |
| 217 | usb_put_hcd(hcd); |
| 218 | |
| 219 | ps3_io_irq_destroy(tmp); |
| 220 | ps3_free_mmio_region(dev->m_region); |
| 221 | |
| 222 | ps3_dma_region_free(dev->d_region); |
| 223 | ps3_close_hv_device(dev); |
| 224 | |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 225 | return 0; |
| 226 | } |
| 227 | |
Geert Uytterhoeven | 3134851 | 2009-06-10 04:38:59 +0000 | [diff] [blame] | 228 | static int __init ps3_ehci_driver_register(struct ps3_system_bus_driver *drv) |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 229 | { |
| 230 | return firmware_has_feature(FW_FEATURE_PS3_LV1) |
| 231 | ? ps3_system_bus_driver_register(drv) |
| 232 | : 0; |
| 233 | } |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 234 | |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 235 | static void ps3_ehci_driver_unregister(struct ps3_system_bus_driver *drv) |
| 236 | { |
| 237 | if (firmware_has_feature(FW_FEATURE_PS3_LV1)) |
| 238 | ps3_system_bus_driver_unregister(drv); |
| 239 | } |
| 240 | |
| 241 | MODULE_ALIAS(PS3_MODULE_ALIAS_EHCI); |
| 242 | |
| 243 | static struct ps3_system_bus_driver ps3_ehci_driver = { |
| 244 | .core.name = "ps3-ehci-driver", |
| 245 | .core.owner = THIS_MODULE, |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 246 | .match_id = PS3_MATCH_ID_EHCI, |
Geoff Levand | 7a4eb7f | 2007-06-05 20:04:35 -0700 | [diff] [blame] | 247 | .probe = ps3_ehci_probe, |
| 248 | .remove = ps3_ehci_remove, |
| 249 | .shutdown = ps3_ehci_remove, |
Geoff Levand | ad75a41 | 2007-01-15 20:11:47 -0800 | [diff] [blame] | 250 | }; |