Commit | Line | Data |
---|---|---|
5d304358 YS |
1 | /* |
2 | * R8A66597 HCD (Host Controller Driver) | |
3 | * | |
4 | * Copyright (C) 2006-2007 Renesas Solutions Corp. | |
5 | * Portions Copyright (C) 2004 Psion Teklogix (for NetBook PRO) | |
6 | * Portions Copyright (C) 2004-2005 David Brownell | |
7 | * Portions Copyright (C) 1999 Roman Weissgaerber | |
8 | * | |
45304e8c | 9 | * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> |
5d304358 YS |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; version 2 of the License. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
23 | * | |
24 | */ | |
25 | ||
26 | #include <linux/module.h> | |
27 | #include <linux/kernel.h> | |
28 | #include <linux/sched.h> | |
5d304358 YS |
29 | #include <linux/errno.h> |
30 | #include <linux/init.h> | |
31 | #include <linux/timer.h> | |
32 | #include <linux/delay.h> | |
33 | #include <linux/list.h> | |
34 | #include <linux/interrupt.h> | |
35 | #include <linux/usb.h> | |
27729aad | 36 | #include <linux/usb/hcd.h> |
5d304358 | 37 | #include <linux/platform_device.h> |
e294531d | 38 | #include <linux/io.h> |
2717568e | 39 | #include <linux/mm.h> |
e294531d | 40 | #include <linux/irq.h> |
5a0e3ad6 | 41 | #include <linux/slab.h> |
2717568e | 42 | #include <asm/cacheflush.h> |
5d304358 | 43 | |
5d304358 YS |
44 | #include "r8a66597.h" |
45 | ||
46 | MODULE_DESCRIPTION("R8A66597 USB Host Controller Driver"); | |
47 | MODULE_LICENSE("GPL"); | |
48 | MODULE_AUTHOR("Yoshihiro Shimoda"); | |
f4fce61d | 49 | MODULE_ALIAS("platform:r8a66597_hcd"); |
5d304358 | 50 | |
5effabbe | 51 | #define DRIVER_VERSION "2009-05-26" |
5d304358 YS |
52 | |
53 | static const char hcd_name[] = "r8a66597_hcd"; | |
54 | ||
5d304358 YS |
55 | static void packet_write(struct r8a66597 *r8a66597, u16 pipenum); |
56 | static int r8a66597_get_frame(struct usb_hcd *hcd); | |
57 | ||
58 | /* this function must be called with interrupt disabled */ | |
59 | static void enable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum, | |
60 | unsigned long reg) | |
61 | { | |
62 | u16 tmp; | |
63 | ||
64 | tmp = r8a66597_read(r8a66597, INTENB0); | |
65 | r8a66597_bclr(r8a66597, BEMPE | NRDYE | BRDYE, INTENB0); | |
66 | r8a66597_bset(r8a66597, 1 << pipenum, reg); | |
67 | r8a66597_write(r8a66597, tmp, INTENB0); | |
68 | } | |
69 | ||
70 | /* this function must be called with interrupt disabled */ | |
71 | static void disable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum, | |
72 | unsigned long reg) | |
73 | { | |
74 | u16 tmp; | |
75 | ||
76 | tmp = r8a66597_read(r8a66597, INTENB0); | |
77 | r8a66597_bclr(r8a66597, BEMPE | NRDYE | BRDYE, INTENB0); | |
78 | r8a66597_bclr(r8a66597, 1 << pipenum, reg); | |
79 | r8a66597_write(r8a66597, tmp, INTENB0); | |
80 | } | |
81 | ||
82 | static void set_devadd_reg(struct r8a66597 *r8a66597, u8 r8a66597_address, | |
83 | u16 usbspd, u8 upphub, u8 hubport, int port) | |
84 | { | |
85 | u16 val; | |
86 | unsigned long devadd_reg = get_devadd_addr(r8a66597_address); | |
87 | ||
88 | val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001); | |
89 | r8a66597_write(r8a66597, val, devadd_reg); | |
90 | } | |
91 | ||
9424ea29 | 92 | static int r8a66597_clock_enable(struct r8a66597 *r8a66597) |
5d304358 YS |
93 | { |
94 | u16 tmp; | |
95 | int i = 0; | |
96 | ||
719a72b7 | 97 | if (r8a66597->pdata->on_chip) { |
719a72b7 | 98 | clk_enable(r8a66597->clk); |
719a72b7 MD |
99 | do { |
100 | r8a66597_write(r8a66597, SCKE, SYSCFG0); | |
101 | tmp = r8a66597_read(r8a66597, SYSCFG0); | |
102 | if (i++ > 1000) { | |
103 | printk(KERN_ERR "r8a66597: reg access fail.\n"); | |
104 | return -ENXIO; | |
105 | } | |
106 | } while ((tmp & SCKE) != SCKE); | |
107 | r8a66597_write(r8a66597, 0x04, 0x02); | |
108 | } else { | |
109 | do { | |
110 | r8a66597_write(r8a66597, USBE, SYSCFG0); | |
111 | tmp = r8a66597_read(r8a66597, SYSCFG0); | |
112 | if (i++ > 1000) { | |
113 | printk(KERN_ERR "r8a66597: reg access fail.\n"); | |
114 | return -ENXIO; | |
115 | } | |
116 | } while ((tmp & USBE) != USBE); | |
117 | r8a66597_bclr(r8a66597, USBE, SYSCFG0); | |
118 | r8a66597_mdfy(r8a66597, get_xtal_from_pdata(r8a66597->pdata), | |
119 | XTAL, SYSCFG0); | |
5d304358 | 120 | |
719a72b7 MD |
121 | i = 0; |
122 | r8a66597_bset(r8a66597, XCKE, SYSCFG0); | |
123 | do { | |
124 | msleep(1); | |
125 | tmp = r8a66597_read(r8a66597, SYSCFG0); | |
126 | if (i++ > 500) { | |
127 | printk(KERN_ERR "r8a66597: reg access fail.\n"); | |
128 | return -ENXIO; | |
129 | } | |
130 | } while ((tmp & SCKE) != SCKE); | |
131 | } | |
9424ea29 YS |
132 | |
133 | return 0; | |
134 | } | |
135 | ||
136 | static void r8a66597_clock_disable(struct r8a66597 *r8a66597) | |
137 | { | |
138 | r8a66597_bclr(r8a66597, SCKE, SYSCFG0); | |
139 | udelay(1); | |
719a72b7 MD |
140 | |
141 | if (r8a66597->pdata->on_chip) { | |
719a72b7 | 142 | clk_disable(r8a66597->clk); |
719a72b7 MD |
143 | } else { |
144 | r8a66597_bclr(r8a66597, PLLC, SYSCFG0); | |
145 | r8a66597_bclr(r8a66597, XCKE, SYSCFG0); | |
146 | r8a66597_bclr(r8a66597, USBE, SYSCFG0); | |
147 | } | |
9424ea29 YS |
148 | } |
149 | ||
150 | static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port) | |
151 | { | |
152 | u16 val; | |
153 | ||
154 | val = port ? DRPD : DCFM | DRPD; | |
155 | r8a66597_bset(r8a66597, val, get_syscfg_reg(port)); | |
156 | r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port)); | |
157 | ||
158 | r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port)); | |
159 | r8a66597_bclr(r8a66597, DTCHE, get_intenb_reg(port)); | |
160 | r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port)); | |
161 | } | |
162 | ||
163 | static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port) | |
164 | { | |
165 | u16 val, tmp; | |
166 | ||
167 | r8a66597_write(r8a66597, 0, get_intenb_reg(port)); | |
168 | r8a66597_write(r8a66597, 0, get_intsts_reg(port)); | |
5d304358 | 169 | |
9424ea29 YS |
170 | r8a66597_port_power(r8a66597, port, 0); |
171 | ||
172 | do { | |
173 | tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS; | |
174 | udelay(640); | |
175 | } while (tmp == EDGESTS); | |
176 | ||
177 | val = port ? DRPD : DCFM | DRPD; | |
178 | r8a66597_bclr(r8a66597, val, get_syscfg_reg(port)); | |
179 | r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port)); | |
180 | } | |
181 | ||
182 | static int enable_controller(struct r8a66597 *r8a66597) | |
183 | { | |
184 | int ret, port; | |
5effabbe YS |
185 | u16 vif = r8a66597->pdata->vif ? LDRV : 0; |
186 | u16 irq_sense = r8a66597->irq_sense_low ? INTL : 0; | |
187 | u16 endian = r8a66597->pdata->endian ? BIGEND : 0; | |
9424ea29 YS |
188 | |
189 | ret = r8a66597_clock_enable(r8a66597); | |
190 | if (ret < 0) | |
191 | return ret; | |
5d304358 YS |
192 | |
193 | r8a66597_bset(r8a66597, vif & LDRV, PINCFG); | |
5d304358 YS |
194 | r8a66597_bset(r8a66597, USBE, SYSCFG0); |
195 | ||
196 | r8a66597_bset(r8a66597, BEMPE | NRDYE | BRDYE, INTENB0); | |
197 | r8a66597_bset(r8a66597, irq_sense & INTL, SOFCFG); | |
198 | r8a66597_bset(r8a66597, BRDY0, BRDYENB); | |
199 | r8a66597_bset(r8a66597, BEMP0, BEMPENB); | |
200 | ||
5d304358 YS |
201 | r8a66597_bset(r8a66597, endian & BIGEND, CFIFOSEL); |
202 | r8a66597_bset(r8a66597, endian & BIGEND, D0FIFOSEL); | |
203 | r8a66597_bset(r8a66597, endian & BIGEND, D1FIFOSEL); | |
5d304358 YS |
204 | r8a66597_bset(r8a66597, TRNENSEL, SOFCFG); |
205 | ||
206 | r8a66597_bset(r8a66597, SIGNE | SACKE, INTENB1); | |
9424ea29 | 207 | |
719a72b7 | 208 | for (port = 0; port < r8a66597->max_root_hub; port++) |
9424ea29 | 209 | r8a66597_enable_port(r8a66597, port); |
5d304358 YS |
210 | |
211 | return 0; | |
212 | } | |
213 | ||
214 | static void disable_controller(struct r8a66597 *r8a66597) | |
215 | { | |
9424ea29 | 216 | int port; |
5d304358 | 217 | |
e5ff15be | 218 | /* disable interrupts */ |
5d304358 | 219 | r8a66597_write(r8a66597, 0, INTENB0); |
e5ff15be MD |
220 | r8a66597_write(r8a66597, 0, INTENB1); |
221 | r8a66597_write(r8a66597, 0, BRDYENB); | |
222 | r8a66597_write(r8a66597, 0, BEMPENB); | |
223 | r8a66597_write(r8a66597, 0, NRDYENB); | |
224 | ||
225 | /* clear status */ | |
226 | r8a66597_write(r8a66597, 0, BRDYSTS); | |
227 | r8a66597_write(r8a66597, 0, NRDYSTS); | |
228 | r8a66597_write(r8a66597, 0, BEMPSTS); | |
5d304358 | 229 | |
719a72b7 | 230 | for (port = 0; port < r8a66597->max_root_hub; port++) |
9424ea29 | 231 | r8a66597_disable_port(r8a66597, port); |
5d304358 | 232 | |
9424ea29 | 233 | r8a66597_clock_disable(r8a66597); |
5d304358 YS |
234 | } |
235 | ||
236 | static int get_parent_r8a66597_address(struct r8a66597 *r8a66597, | |
237 | struct usb_device *udev) | |
238 | { | |
239 | struct r8a66597_device *dev; | |
240 | ||
241 | if (udev->parent && udev->parent->devnum != 1) | |
242 | udev = udev->parent; | |
243 | ||
244 | dev = dev_get_drvdata(&udev->dev); | |
245 | if (dev) | |
246 | return dev->address; | |
247 | else | |
248 | return 0; | |
249 | } | |
250 | ||
251 | static int is_child_device(char *devpath) | |
252 | { | |
253 | return (devpath[2] ? 1 : 0); | |
254 | } | |
255 | ||
256 | static int is_hub_limit(char *devpath) | |
257 | { | |
258 | return ((strlen(devpath) >= 4) ? 1 : 0); | |
259 | } | |
260 | ||
719a72b7 MD |
261 | static void get_port_number(struct r8a66597 *r8a66597, |
262 | char *devpath, u16 *root_port, u16 *hub_port) | |
5d304358 YS |
263 | { |
264 | if (root_port) { | |
265 | *root_port = (devpath[0] & 0x0F) - 1; | |
719a72b7 | 266 | if (*root_port >= r8a66597->max_root_hub) |
802f389a | 267 | printk(KERN_ERR "r8a66597: Illegal root port number.\n"); |
5d304358 YS |
268 | } |
269 | if (hub_port) | |
270 | *hub_port = devpath[2] & 0x0F; | |
271 | } | |
272 | ||
273 | static u16 get_r8a66597_usb_speed(enum usb_device_speed speed) | |
274 | { | |
275 | u16 usbspd = 0; | |
276 | ||
277 | switch (speed) { | |
278 | case USB_SPEED_LOW: | |
279 | usbspd = LSMODE; | |
280 | break; | |
281 | case USB_SPEED_FULL: | |
282 | usbspd = FSMODE; | |
283 | break; | |
284 | case USB_SPEED_HIGH: | |
285 | usbspd = HSMODE; | |
286 | break; | |
287 | default: | |
802f389a | 288 | printk(KERN_ERR "r8a66597: unknown speed\n"); |
5d304358 YS |
289 | break; |
290 | } | |
291 | ||
292 | return usbspd; | |
293 | } | |
294 | ||
295 | static void set_child_connect_map(struct r8a66597 *r8a66597, int address) | |
296 | { | |
297 | int idx; | |
298 | ||
299 | idx = address / 32; | |
300 | r8a66597->child_connect_map[idx] |= 1 << (address % 32); | |
301 | } | |
302 | ||
303 | static void put_child_connect_map(struct r8a66597 *r8a66597, int address) | |
304 | { | |
305 | int idx; | |
306 | ||
307 | idx = address / 32; | |
308 | r8a66597->child_connect_map[idx] &= ~(1 << (address % 32)); | |
309 | } | |
310 | ||
311 | static void set_pipe_reg_addr(struct r8a66597_pipe *pipe, u8 dma_ch) | |
312 | { | |
313 | u16 pipenum = pipe->info.pipenum; | |
fe9b9034 ML |
314 | const unsigned long fifoaddr[] = {D0FIFO, D1FIFO, CFIFO}; |
315 | const unsigned long fifosel[] = {D0FIFOSEL, D1FIFOSEL, CFIFOSEL}; | |
316 | const unsigned long fifoctr[] = {D0FIFOCTR, D1FIFOCTR, CFIFOCTR}; | |
5d304358 YS |
317 | |
318 | if (dma_ch > R8A66597_PIPE_NO_DMA) /* dma fifo not use? */ | |
319 | dma_ch = R8A66597_PIPE_NO_DMA; | |
320 | ||
321 | pipe->fifoaddr = fifoaddr[dma_ch]; | |
322 | pipe->fifosel = fifosel[dma_ch]; | |
323 | pipe->fifoctr = fifoctr[dma_ch]; | |
324 | ||
325 | if (pipenum == 0) | |
326 | pipe->pipectr = DCPCTR; | |
327 | else | |
328 | pipe->pipectr = get_pipectr_addr(pipenum); | |
329 | ||
330 | if (check_bulk_or_isoc(pipenum)) { | |
331 | pipe->pipetre = get_pipetre_addr(pipenum); | |
332 | pipe->pipetrn = get_pipetrn_addr(pipenum); | |
333 | } else { | |
334 | pipe->pipetre = 0; | |
335 | pipe->pipetrn = 0; | |
336 | } | |
337 | } | |
338 | ||
339 | static struct r8a66597_device * | |
340 | get_urb_to_r8a66597_dev(struct r8a66597 *r8a66597, struct urb *urb) | |
341 | { | |
342 | if (usb_pipedevice(urb->pipe) == 0) | |
343 | return &r8a66597->device0; | |
344 | ||
345 | return dev_get_drvdata(&urb->dev->dev); | |
346 | } | |
347 | ||
348 | static int make_r8a66597_device(struct r8a66597 *r8a66597, | |
349 | struct urb *urb, u8 addr) | |
350 | { | |
351 | struct r8a66597_device *dev; | |
352 | int usb_address = urb->setup_packet[2]; /* urb->pipe is address 0 */ | |
353 | ||
e294531d | 354 | dev = kzalloc(sizeof(struct r8a66597_device), GFP_ATOMIC); |
5d304358 YS |
355 | if (dev == NULL) |
356 | return -ENOMEM; | |
357 | ||
358 | dev_set_drvdata(&urb->dev->dev, dev); | |
359 | dev->udev = urb->dev; | |
360 | dev->address = addr; | |
361 | dev->usb_address = usb_address; | |
362 | dev->state = USB_STATE_ADDRESS; | |
363 | dev->ep_in_toggle = 0; | |
364 | dev->ep_out_toggle = 0; | |
365 | INIT_LIST_HEAD(&dev->device_list); | |
366 | list_add_tail(&dev->device_list, &r8a66597->child_device); | |
367 | ||
719a72b7 MD |
368 | get_port_number(r8a66597, urb->dev->devpath, |
369 | &dev->root_port, &dev->hub_port); | |
5d304358 YS |
370 | if (!is_child_device(urb->dev->devpath)) |
371 | r8a66597->root_hub[dev->root_port].dev = dev; | |
372 | ||
373 | set_devadd_reg(r8a66597, dev->address, | |
374 | get_r8a66597_usb_speed(urb->dev->speed), | |
375 | get_parent_r8a66597_address(r8a66597, urb->dev), | |
376 | dev->hub_port, dev->root_port); | |
377 | ||
378 | return 0; | |
379 | } | |
380 | ||
381 | /* this function must be called with interrupt disabled */ | |
382 | static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb) | |
383 | { | |
384 | u8 addr; /* R8A66597's address */ | |
385 | struct r8a66597_device *dev; | |
386 | ||
387 | if (is_hub_limit(urb->dev->devpath)) { | |
802f389a | 388 | dev_err(&urb->dev->dev, "External hub limit reached.\n"); |
5d304358 YS |
389 | return 0; |
390 | } | |
391 | ||
392 | dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
393 | if (dev && dev->state >= USB_STATE_ADDRESS) | |
394 | return dev->address; | |
395 | ||
396 | for (addr = 1; addr <= R8A66597_MAX_DEVICE; addr++) { | |
397 | if (r8a66597->address_map & (1 << addr)) | |
398 | continue; | |
399 | ||
167e4925 | 400 | dev_dbg(&urb->dev->dev, "alloc_address: r8a66597_addr=%d\n", addr); |
5d304358 YS |
401 | r8a66597->address_map |= 1 << addr; |
402 | ||
403 | if (make_r8a66597_device(r8a66597, urb, addr) < 0) | |
404 | return 0; | |
405 | ||
406 | return addr; | |
407 | } | |
408 | ||
802f389a GKH |
409 | dev_err(&urb->dev->dev, |
410 | "cannot communicate with a USB device more than 10.(%x)\n", | |
411 | r8a66597->address_map); | |
5d304358 YS |
412 | |
413 | return 0; | |
414 | } | |
415 | ||
416 | /* this function must be called with interrupt disabled */ | |
417 | static void free_usb_address(struct r8a66597 *r8a66597, | |
d8359334 | 418 | struct r8a66597_device *dev, int reset) |
5d304358 YS |
419 | { |
420 | int port; | |
421 | ||
422 | if (!dev) | |
423 | return; | |
424 | ||
167e4925 | 425 | dev_dbg(&dev->udev->dev, "free_addr: addr=%d\n", dev->address); |
5d304358 YS |
426 | |
427 | dev->state = USB_STATE_DEFAULT; | |
428 | r8a66597->address_map &= ~(1 << dev->address); | |
429 | dev->address = 0; | |
d8359334 YS |
430 | /* |
431 | * Only when resetting USB, it is necessary to erase drvdata. When | |
432 | * a usb device with usb hub is disconnect, "dev->udev" is already | |
433 | * freed on usb_desconnect(). So we cannot access the data. | |
434 | */ | |
435 | if (reset) | |
436 | dev_set_drvdata(&dev->udev->dev, NULL); | |
5d304358 YS |
437 | list_del(&dev->device_list); |
438 | kfree(dev); | |
439 | ||
719a72b7 | 440 | for (port = 0; port < r8a66597->max_root_hub; port++) { |
5d304358 YS |
441 | if (r8a66597->root_hub[port].dev == dev) { |
442 | r8a66597->root_hub[port].dev = NULL; | |
443 | break; | |
444 | } | |
445 | } | |
446 | } | |
447 | ||
448 | static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg, | |
449 | u16 mask, u16 loop) | |
450 | { | |
451 | u16 tmp; | |
452 | int i = 0; | |
453 | ||
454 | do { | |
455 | tmp = r8a66597_read(r8a66597, reg); | |
456 | if (i++ > 1000000) { | |
802f389a GKH |
457 | printk(KERN_ERR "r8a66597: register%lx, loop %x " |
458 | "is timeout\n", reg, loop); | |
5d304358 YS |
459 | break; |
460 | } | |
461 | ndelay(1); | |
462 | } while ((tmp & mask) != loop); | |
463 | } | |
464 | ||
465 | /* this function must be called with interrupt disabled */ | |
466 | static void pipe_start(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe) | |
467 | { | |
468 | u16 tmp; | |
469 | ||
470 | tmp = r8a66597_read(r8a66597, pipe->pipectr) & PID; | |
471 | if ((pipe->info.pipenum != 0) & ((tmp & PID_STALL) != 0)) /* stall? */ | |
472 | r8a66597_mdfy(r8a66597, PID_NAK, PID, pipe->pipectr); | |
473 | r8a66597_mdfy(r8a66597, PID_BUF, PID, pipe->pipectr); | |
474 | } | |
475 | ||
476 | /* this function must be called with interrupt disabled */ | |
477 | static void pipe_stop(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe) | |
478 | { | |
479 | u16 tmp; | |
480 | ||
481 | tmp = r8a66597_read(r8a66597, pipe->pipectr) & PID; | |
482 | if ((tmp & PID_STALL11) != PID_STALL11) /* force stall? */ | |
483 | r8a66597_mdfy(r8a66597, PID_STALL, PID, pipe->pipectr); | |
484 | r8a66597_mdfy(r8a66597, PID_NAK, PID, pipe->pipectr); | |
485 | r8a66597_reg_wait(r8a66597, pipe->pipectr, PBUSY, 0); | |
486 | } | |
487 | ||
488 | /* this function must be called with interrupt disabled */ | |
489 | static void clear_all_buffer(struct r8a66597 *r8a66597, | |
490 | struct r8a66597_pipe *pipe) | |
491 | { | |
492 | u16 tmp; | |
493 | ||
494 | if (!pipe || pipe->info.pipenum == 0) | |
495 | return; | |
496 | ||
497 | pipe_stop(r8a66597, pipe); | |
498 | r8a66597_bset(r8a66597, ACLRM, pipe->pipectr); | |
499 | tmp = r8a66597_read(r8a66597, pipe->pipectr); | |
500 | tmp = r8a66597_read(r8a66597, pipe->pipectr); | |
501 | tmp = r8a66597_read(r8a66597, pipe->pipectr); | |
502 | r8a66597_bclr(r8a66597, ACLRM, pipe->pipectr); | |
503 | } | |
504 | ||
505 | /* this function must be called with interrupt disabled */ | |
506 | static void r8a66597_pipe_toggle(struct r8a66597 *r8a66597, | |
507 | struct r8a66597_pipe *pipe, int toggle) | |
508 | { | |
509 | if (toggle) | |
510 | r8a66597_bset(r8a66597, SQSET, pipe->pipectr); | |
511 | else | |
512 | r8a66597_bset(r8a66597, SQCLR, pipe->pipectr); | |
513 | } | |
514 | ||
719a72b7 MD |
515 | static inline unsigned short mbw_value(struct r8a66597 *r8a66597) |
516 | { | |
517 | if (r8a66597->pdata->on_chip) | |
518 | return MBW_32; | |
519 | else | |
520 | return MBW_16; | |
521 | } | |
522 | ||
5d304358 YS |
523 | /* this function must be called with interrupt disabled */ |
524 | static inline void cfifo_change(struct r8a66597 *r8a66597, u16 pipenum) | |
525 | { | |
719a72b7 MD |
526 | unsigned short mbw = mbw_value(r8a66597); |
527 | ||
528 | r8a66597_mdfy(r8a66597, mbw | pipenum, mbw | CURPIPE, CFIFOSEL); | |
5d304358 YS |
529 | r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum); |
530 | } | |
531 | ||
532 | /* this function must be called with interrupt disabled */ | |
533 | static inline void fifo_change_from_pipe(struct r8a66597 *r8a66597, | |
534 | struct r8a66597_pipe *pipe) | |
535 | { | |
719a72b7 MD |
536 | unsigned short mbw = mbw_value(r8a66597); |
537 | ||
5d304358 | 538 | cfifo_change(r8a66597, 0); |
719a72b7 MD |
539 | r8a66597_mdfy(r8a66597, mbw | 0, mbw | CURPIPE, D0FIFOSEL); |
540 | r8a66597_mdfy(r8a66597, mbw | 0, mbw | CURPIPE, D1FIFOSEL); | |
5d304358 | 541 | |
719a72b7 | 542 | r8a66597_mdfy(r8a66597, mbw | pipe->info.pipenum, mbw | CURPIPE, |
5d304358 YS |
543 | pipe->fifosel); |
544 | r8a66597_reg_wait(r8a66597, pipe->fifosel, CURPIPE, pipe->info.pipenum); | |
545 | } | |
546 | ||
547 | static u16 r8a66597_get_pipenum(struct urb *urb, struct usb_host_endpoint *hep) | |
548 | { | |
549 | struct r8a66597_pipe *pipe = hep->hcpriv; | |
550 | ||
551 | if (usb_pipeendpoint(urb->pipe) == 0) | |
552 | return 0; | |
553 | else | |
554 | return pipe->info.pipenum; | |
555 | } | |
556 | ||
557 | static u16 get_urb_to_r8a66597_addr(struct r8a66597 *r8a66597, struct urb *urb) | |
558 | { | |
559 | struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
560 | ||
561 | return (usb_pipedevice(urb->pipe) == 0) ? 0 : dev->address; | |
562 | } | |
563 | ||
564 | static unsigned short *get_toggle_pointer(struct r8a66597_device *dev, | |
565 | int urb_pipe) | |
566 | { | |
567 | if (!dev) | |
568 | return NULL; | |
569 | ||
570 | return usb_pipein(urb_pipe) ? &dev->ep_in_toggle : &dev->ep_out_toggle; | |
571 | } | |
572 | ||
573 | /* this function must be called with interrupt disabled */ | |
574 | static void pipe_toggle_set(struct r8a66597 *r8a66597, | |
575 | struct r8a66597_pipe *pipe, | |
576 | struct urb *urb, int set) | |
577 | { | |
578 | struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
579 | unsigned char endpoint = usb_pipeendpoint(urb->pipe); | |
580 | unsigned short *toggle = get_toggle_pointer(dev, urb->pipe); | |
581 | ||
582 | if (!toggle) | |
583 | return; | |
584 | ||
585 | if (set) | |
586 | *toggle |= 1 << endpoint; | |
587 | else | |
588 | *toggle &= ~(1 << endpoint); | |
589 | } | |
590 | ||
591 | /* this function must be called with interrupt disabled */ | |
592 | static void pipe_toggle_save(struct r8a66597 *r8a66597, | |
593 | struct r8a66597_pipe *pipe, | |
594 | struct urb *urb) | |
595 | { | |
596 | if (r8a66597_read(r8a66597, pipe->pipectr) & SQMON) | |
597 | pipe_toggle_set(r8a66597, pipe, urb, 1); | |
598 | else | |
599 | pipe_toggle_set(r8a66597, pipe, urb, 0); | |
600 | } | |
601 | ||
602 | /* this function must be called with interrupt disabled */ | |
603 | static void pipe_toggle_restore(struct r8a66597 *r8a66597, | |
604 | struct r8a66597_pipe *pipe, | |
605 | struct urb *urb) | |
606 | { | |
607 | struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
608 | unsigned char endpoint = usb_pipeendpoint(urb->pipe); | |
609 | unsigned short *toggle = get_toggle_pointer(dev, urb->pipe); | |
610 | ||
f6ace2c9 YS |
611 | if (!toggle) |
612 | return; | |
613 | ||
5d304358 YS |
614 | r8a66597_pipe_toggle(r8a66597, pipe, *toggle & (1 << endpoint)); |
615 | } | |
616 | ||
617 | /* this function must be called with interrupt disabled */ | |
618 | static void pipe_buffer_setting(struct r8a66597 *r8a66597, | |
619 | struct r8a66597_pipe_info *info) | |
620 | { | |
621 | u16 val = 0; | |
622 | ||
623 | if (info->pipenum == 0) | |
624 | return; | |
625 | ||
626 | r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(info->pipenum)); | |
627 | r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(info->pipenum)); | |
628 | r8a66597_write(r8a66597, info->pipenum, PIPESEL); | |
629 | if (!info->dir_in) | |
630 | val |= R8A66597_DIR; | |
631 | if (info->type == R8A66597_BULK && info->dir_in) | |
632 | val |= R8A66597_DBLB | R8A66597_SHTNAK; | |
633 | val |= info->type | info->epnum; | |
634 | r8a66597_write(r8a66597, val, PIPECFG); | |
635 | ||
636 | r8a66597_write(r8a66597, (info->buf_bsize << 10) | (info->bufnum), | |
637 | PIPEBUF); | |
638 | r8a66597_write(r8a66597, make_devsel(info->address) | info->maxpacket, | |
639 | PIPEMAXP); | |
5d304358 YS |
640 | r8a66597_write(r8a66597, info->interval, PIPEPERI); |
641 | } | |
642 | ||
5d304358 YS |
643 | /* this function must be called with interrupt disabled */ |
644 | static void pipe_setting(struct r8a66597 *r8a66597, struct r8a66597_td *td) | |
645 | { | |
646 | struct r8a66597_pipe_info *info; | |
647 | struct urb *urb = td->urb; | |
648 | ||
649 | if (td->pipenum > 0) { | |
650 | info = &td->pipe->info; | |
651 | cfifo_change(r8a66597, 0); | |
652 | pipe_buffer_setting(r8a66597, info); | |
653 | ||
654 | if (!usb_gettoggle(urb->dev, usb_pipeendpoint(urb->pipe), | |
655 | usb_pipeout(urb->pipe)) && | |
656 | !usb_pipecontrol(urb->pipe)) { | |
657 | r8a66597_pipe_toggle(r8a66597, td->pipe, 0); | |
658 | pipe_toggle_set(r8a66597, td->pipe, urb, 0); | |
659 | clear_all_buffer(r8a66597, td->pipe); | |
660 | usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), | |
661 | usb_pipeout(urb->pipe), 1); | |
662 | } | |
663 | pipe_toggle_restore(r8a66597, td->pipe, urb); | |
664 | } | |
665 | } | |
666 | ||
667 | /* this function must be called with interrupt disabled */ | |
668 | static u16 get_empty_pipenum(struct r8a66597 *r8a66597, | |
669 | struct usb_endpoint_descriptor *ep) | |
670 | { | |
671 | u16 array[R8A66597_MAX_NUM_PIPE], i = 0, min; | |
672 | ||
673 | memset(array, 0, sizeof(array)); | |
2e0fe709 | 674 | switch (usb_endpoint_type(ep)) { |
e294531d | 675 | case USB_ENDPOINT_XFER_BULK: |
2e0fe709 | 676 | if (usb_endpoint_dir_in(ep)) |
5d304358 YS |
677 | array[i++] = 4; |
678 | else { | |
679 | array[i++] = 3; | |
680 | array[i++] = 5; | |
681 | } | |
e294531d YS |
682 | break; |
683 | case USB_ENDPOINT_XFER_INT: | |
2e0fe709 | 684 | if (usb_endpoint_dir_in(ep)) { |
5d304358 YS |
685 | array[i++] = 6; |
686 | array[i++] = 7; | |
687 | array[i++] = 8; | |
688 | } else | |
689 | array[i++] = 9; | |
e294531d YS |
690 | break; |
691 | case USB_ENDPOINT_XFER_ISOC: | |
2e0fe709 | 692 | if (usb_endpoint_dir_in(ep)) |
5d304358 YS |
693 | array[i++] = 2; |
694 | else | |
695 | array[i++] = 1; | |
e294531d YS |
696 | break; |
697 | default: | |
802f389a | 698 | printk(KERN_ERR "r8a66597: Illegal type\n"); |
e294531d YS |
699 | return 0; |
700 | } | |
5d304358 YS |
701 | |
702 | i = 1; | |
703 | min = array[0]; | |
704 | while (array[i] != 0) { | |
705 | if (r8a66597->pipe_cnt[min] > r8a66597->pipe_cnt[array[i]]) | |
706 | min = array[i]; | |
707 | i++; | |
708 | } | |
709 | ||
710 | return min; | |
711 | } | |
712 | ||
713 | static u16 get_r8a66597_type(__u8 type) | |
714 | { | |
715 | u16 r8a66597_type; | |
716 | ||
e294531d | 717 | switch (type) { |
5d304358 YS |
718 | case USB_ENDPOINT_XFER_BULK: |
719 | r8a66597_type = R8A66597_BULK; | |
720 | break; | |
721 | case USB_ENDPOINT_XFER_INT: | |
722 | r8a66597_type = R8A66597_INT; | |
723 | break; | |
724 | case USB_ENDPOINT_XFER_ISOC: | |
725 | r8a66597_type = R8A66597_ISO; | |
726 | break; | |
727 | default: | |
802f389a | 728 | printk(KERN_ERR "r8a66597: Illegal type\n"); |
5d304358 YS |
729 | r8a66597_type = 0x0000; |
730 | break; | |
731 | } | |
732 | ||
733 | return r8a66597_type; | |
734 | } | |
735 | ||
736 | static u16 get_bufnum(u16 pipenum) | |
737 | { | |
738 | u16 bufnum = 0; | |
739 | ||
740 | if (pipenum == 0) | |
741 | bufnum = 0; | |
742 | else if (check_bulk_or_isoc(pipenum)) | |
743 | bufnum = 8 + (pipenum - 1) * R8A66597_BUF_BSIZE*2; | |
744 | else if (check_interrupt(pipenum)) | |
745 | bufnum = 4 + (pipenum - 6); | |
746 | else | |
802f389a | 747 | printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum); |
5d304358 YS |
748 | |
749 | return bufnum; | |
750 | } | |
751 | ||
752 | static u16 get_buf_bsize(u16 pipenum) | |
753 | { | |
754 | u16 buf_bsize = 0; | |
755 | ||
756 | if (pipenum == 0) | |
757 | buf_bsize = 3; | |
758 | else if (check_bulk_or_isoc(pipenum)) | |
759 | buf_bsize = R8A66597_BUF_BSIZE - 1; | |
760 | else if (check_interrupt(pipenum)) | |
761 | buf_bsize = 0; | |
762 | else | |
802f389a | 763 | printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum); |
5d304358 YS |
764 | |
765 | return buf_bsize; | |
766 | } | |
767 | ||
768 | /* this function must be called with interrupt disabled */ | |
769 | static void enable_r8a66597_pipe_dma(struct r8a66597 *r8a66597, | |
770 | struct r8a66597_device *dev, | |
771 | struct r8a66597_pipe *pipe, | |
772 | struct urb *urb) | |
773 | { | |
774 | int i; | |
775 | struct r8a66597_pipe_info *info = &pipe->info; | |
719a72b7 MD |
776 | unsigned short mbw = mbw_value(r8a66597); |
777 | ||
778 | /* pipe dma is only for external controlles */ | |
779 | if (r8a66597->pdata->on_chip) | |
780 | return; | |
5d304358 YS |
781 | |
782 | if ((pipe->info.pipenum != 0) && (info->type != R8A66597_INT)) { | |
783 | for (i = 0; i < R8A66597_MAX_DMA_CHANNEL; i++) { | |
784 | if ((r8a66597->dma_map & (1 << i)) != 0) | |
785 | continue; | |
786 | ||
5909f6ea GKH |
787 | dev_info(&dev->udev->dev, |
788 | "address %d, EndpointAddress 0x%02x use " | |
789 | "DMA FIFO\n", usb_pipedevice(urb->pipe), | |
790 | info->dir_in ? | |
791 | USB_ENDPOINT_DIR_MASK + info->epnum | |
792 | : info->epnum); | |
5d304358 YS |
793 | |
794 | r8a66597->dma_map |= 1 << i; | |
795 | dev->dma_map |= 1 << i; | |
796 | set_pipe_reg_addr(pipe, i); | |
797 | ||
798 | cfifo_change(r8a66597, 0); | |
719a72b7 MD |
799 | r8a66597_mdfy(r8a66597, mbw | pipe->info.pipenum, |
800 | mbw | CURPIPE, pipe->fifosel); | |
5d304358 YS |
801 | |
802 | r8a66597_reg_wait(r8a66597, pipe->fifosel, CURPIPE, | |
803 | pipe->info.pipenum); | |
804 | r8a66597_bset(r8a66597, BCLR, pipe->fifoctr); | |
805 | break; | |
806 | } | |
807 | } | |
808 | } | |
809 | ||
810 | /* this function must be called with interrupt disabled */ | |
811 | static void enable_r8a66597_pipe(struct r8a66597 *r8a66597, struct urb *urb, | |
812 | struct usb_host_endpoint *hep, | |
813 | struct r8a66597_pipe_info *info) | |
814 | { | |
815 | struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
816 | struct r8a66597_pipe *pipe = hep->hcpriv; | |
817 | ||
167e4925 | 818 | dev_dbg(&dev->udev->dev, "enable_pipe:\n"); |
5d304358 YS |
819 | |
820 | pipe->info = *info; | |
821 | set_pipe_reg_addr(pipe, R8A66597_PIPE_NO_DMA); | |
822 | r8a66597->pipe_cnt[pipe->info.pipenum]++; | |
823 | dev->pipe_cnt[pipe->info.pipenum]++; | |
824 | ||
825 | enable_r8a66597_pipe_dma(r8a66597, dev, pipe, urb); | |
826 | } | |
827 | ||
2717568e PM |
828 | static void r8a66597_urb_done(struct r8a66597 *r8a66597, struct urb *urb, |
829 | int status) | |
830 | __releases(r8a66597->lock) | |
831 | __acquires(r8a66597->lock) | |
832 | { | |
833 | if (usb_pipein(urb->pipe) && usb_pipetype(urb->pipe) != PIPE_CONTROL) { | |
834 | void *ptr; | |
835 | ||
836 | for (ptr = urb->transfer_buffer; | |
837 | ptr < urb->transfer_buffer + urb->transfer_buffer_length; | |
838 | ptr += PAGE_SIZE) | |
839 | flush_dcache_page(virt_to_page(ptr)); | |
840 | } | |
841 | ||
842 | usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597), urb); | |
843 | spin_unlock(&r8a66597->lock); | |
844 | usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597), urb, status); | |
845 | spin_lock(&r8a66597->lock); | |
846 | } | |
847 | ||
5d304358 YS |
848 | /* this function must be called with interrupt disabled */ |
849 | static void force_dequeue(struct r8a66597 *r8a66597, u16 pipenum, u16 address) | |
850 | { | |
851 | struct r8a66597_td *td, *next; | |
852 | struct urb *urb; | |
853 | struct list_head *list = &r8a66597->pipe_queue[pipenum]; | |
854 | ||
855 | if (list_empty(list)) | |
856 | return; | |
857 | ||
858 | list_for_each_entry_safe(td, next, list, queue) { | |
5d304358 YS |
859 | if (td->address != address) |
860 | continue; | |
861 | ||
862 | urb = td->urb; | |
863 | list_del(&td->queue); | |
864 | kfree(td); | |
865 | ||
2717568e PM |
866 | if (urb) |
867 | r8a66597_urb_done(r8a66597, urb, -ENODEV); | |
e9df41c5 | 868 | |
5d304358 YS |
869 | break; |
870 | } | |
871 | } | |
872 | ||
873 | /* this function must be called with interrupt disabled */ | |
874 | static void disable_r8a66597_pipe_all(struct r8a66597 *r8a66597, | |
875 | struct r8a66597_device *dev) | |
876 | { | |
877 | int check_ep0 = 0; | |
878 | u16 pipenum; | |
879 | ||
880 | if (!dev) | |
881 | return; | |
882 | ||
883 | for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
884 | if (!dev->pipe_cnt[pipenum]) | |
885 | continue; | |
886 | ||
887 | if (!check_ep0) { | |
888 | check_ep0 = 1; | |
889 | force_dequeue(r8a66597, 0, dev->address); | |
890 | } | |
891 | ||
892 | r8a66597->pipe_cnt[pipenum] -= dev->pipe_cnt[pipenum]; | |
893 | dev->pipe_cnt[pipenum] = 0; | |
894 | force_dequeue(r8a66597, pipenum, dev->address); | |
895 | } | |
896 | ||
167e4925 | 897 | dev_dbg(&dev->udev->dev, "disable_pipe\n"); |
5d304358 YS |
898 | |
899 | r8a66597->dma_map &= ~(dev->dma_map); | |
900 | dev->dma_map = 0; | |
901 | } | |
902 | ||
397f519a YS |
903 | static u16 get_interval(struct urb *urb, __u8 interval) |
904 | { | |
905 | u16 time = 1; | |
906 | int i; | |
907 | ||
908 | if (urb->dev->speed == USB_SPEED_HIGH) { | |
909 | if (interval > IITV) | |
910 | time = IITV; | |
911 | else | |
912 | time = interval ? interval - 1 : 0; | |
913 | } else { | |
914 | if (interval > 128) { | |
915 | time = IITV; | |
916 | } else { | |
917 | /* calculate the nearest value for PIPEPERI */ | |
918 | for (i = 0; i < 7; i++) { | |
919 | if ((1 << i) < interval && | |
920 | (1 << (i + 1) > interval)) | |
921 | time = 1 << i; | |
922 | } | |
923 | } | |
924 | } | |
925 | ||
926 | return time; | |
927 | } | |
928 | ||
6d879107 YS |
929 | static unsigned long get_timer_interval(struct urb *urb, __u8 interval) |
930 | { | |
931 | __u8 i; | |
932 | unsigned long time = 1; | |
933 | ||
934 | if (usb_pipeisoc(urb->pipe)) | |
935 | return 0; | |
936 | ||
937 | if (get_r8a66597_usb_speed(urb->dev->speed) == HSMODE) { | |
938 | for (i = 0; i < (interval - 1); i++) | |
939 | time *= 2; | |
940 | time = time * 125 / 1000; /* uSOF -> msec */ | |
941 | } else { | |
942 | time = interval; | |
943 | } | |
944 | ||
945 | return time; | |
946 | } | |
947 | ||
5d304358 YS |
948 | /* this function must be called with interrupt disabled */ |
949 | static void init_pipe_info(struct r8a66597 *r8a66597, struct urb *urb, | |
950 | struct usb_host_endpoint *hep, | |
951 | struct usb_endpoint_descriptor *ep) | |
952 | { | |
953 | struct r8a66597_pipe_info info; | |
954 | ||
955 | info.pipenum = get_empty_pipenum(r8a66597, ep); | |
956 | info.address = get_urb_to_r8a66597_addr(r8a66597, urb); | |
2e0fe709 | 957 | info.epnum = usb_endpoint_num(ep); |
29cc8897 | 958 | info.maxpacket = usb_endpoint_maxp(ep); |
2e0fe709 | 959 | info.type = get_r8a66597_type(usb_endpoint_type(ep)); |
5d304358 YS |
960 | info.bufnum = get_bufnum(info.pipenum); |
961 | info.buf_bsize = get_buf_bsize(info.pipenum); | |
6d879107 YS |
962 | if (info.type == R8A66597_BULK) { |
963 | info.interval = 0; | |
964 | info.timer_interval = 0; | |
965 | } else { | |
397f519a | 966 | info.interval = get_interval(urb, ep->bInterval); |
6d879107 YS |
967 | info.timer_interval = get_timer_interval(urb, ep->bInterval); |
968 | } | |
2e0fe709 | 969 | if (usb_endpoint_dir_in(ep)) |
5d304358 YS |
970 | info.dir_in = 1; |
971 | else | |
972 | info.dir_in = 0; | |
973 | ||
974 | enable_r8a66597_pipe(r8a66597, urb, hep, &info); | |
975 | } | |
976 | ||
977 | static void init_pipe_config(struct r8a66597 *r8a66597, struct urb *urb) | |
978 | { | |
979 | struct r8a66597_device *dev; | |
980 | ||
981 | dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
982 | dev->state = USB_STATE_CONFIGURED; | |
983 | } | |
984 | ||
985 | static void pipe_irq_enable(struct r8a66597 *r8a66597, struct urb *urb, | |
986 | u16 pipenum) | |
987 | { | |
988 | if (pipenum == 0 && usb_pipeout(urb->pipe)) | |
989 | enable_irq_empty(r8a66597, pipenum); | |
990 | else | |
991 | enable_irq_ready(r8a66597, pipenum); | |
992 | ||
993 | if (!usb_pipeisoc(urb->pipe)) | |
994 | enable_irq_nrdy(r8a66597, pipenum); | |
995 | } | |
996 | ||
997 | static void pipe_irq_disable(struct r8a66597 *r8a66597, u16 pipenum) | |
998 | { | |
999 | disable_irq_ready(r8a66597, pipenum); | |
1000 | disable_irq_nrdy(r8a66597, pipenum); | |
1001 | } | |
1002 | ||
54d0be9e YS |
1003 | static void r8a66597_root_hub_start_polling(struct r8a66597 *r8a66597) |
1004 | { | |
1005 | mod_timer(&r8a66597->rh_timer, | |
1006 | jiffies + msecs_to_jiffies(R8A66597_RH_POLL_TIME)); | |
1007 | } | |
1008 | ||
1009 | static void start_root_hub_sampling(struct r8a66597 *r8a66597, int port, | |
1010 | int connect) | |
1011 | { | |
1012 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; | |
1013 | ||
1014 | rh->old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port)) & LNST; | |
1015 | rh->scount = R8A66597_MAX_SAMPLING; | |
1016 | if (connect) | |
749da5f8 | 1017 | rh->port |= USB_PORT_STAT_CONNECTION; |
54d0be9e | 1018 | else |
749da5f8 AS |
1019 | rh->port &= ~USB_PORT_STAT_CONNECTION; |
1020 | rh->port |= USB_PORT_STAT_C_CONNECTION << 16; | |
54d0be9e YS |
1021 | |
1022 | r8a66597_root_hub_start_polling(r8a66597); | |
1023 | } | |
1024 | ||
5d304358 | 1025 | /* this function must be called with interrupt disabled */ |
29fab0cd YS |
1026 | static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port, |
1027 | u16 syssts) | |
2c940db2 PM |
1028 | __releases(r8a66597->lock) |
1029 | __acquires(r8a66597->lock) | |
5d304358 | 1030 | { |
29fab0cd | 1031 | if (syssts == SE0) { |
54d0be9e | 1032 | r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port)); |
29fab0cd | 1033 | r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port)); |
1e6159f8 YS |
1034 | } else { |
1035 | if (syssts == FS_JSTS) | |
1036 | r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port)); | |
1037 | else if (syssts == LS_JSTS) | |
1038 | r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port)); | |
29fab0cd | 1039 | |
1e6159f8 YS |
1040 | r8a66597_write(r8a66597, ~DTCH, get_intsts_reg(port)); |
1041 | r8a66597_bset(r8a66597, DTCHE, get_intenb_reg(port)); | |
29fab0cd | 1042 | |
1e6159f8 YS |
1043 | if (r8a66597->bus_suspended) |
1044 | usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597)); | |
1045 | } | |
e1e609be | 1046 | |
2c940db2 | 1047 | spin_unlock(&r8a66597->lock); |
1e6159f8 | 1048 | usb_hcd_poll_rh_status(r8a66597_to_hcd(r8a66597)); |
2c940db2 | 1049 | spin_lock(&r8a66597->lock); |
5d304358 YS |
1050 | } |
1051 | ||
1052 | /* this function must be called with interrupt disabled */ | |
1053 | static void r8a66597_usb_connect(struct r8a66597 *r8a66597, int port) | |
1054 | { | |
1055 | u16 speed = get_rh_usb_speed(r8a66597, port); | |
1056 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; | |
1057 | ||
288ead45 | 1058 | rh->port &= ~(USB_PORT_STAT_HIGH_SPEED | USB_PORT_STAT_LOW_SPEED); |
5d304358 | 1059 | if (speed == HSMODE) |
288ead45 | 1060 | rh->port |= USB_PORT_STAT_HIGH_SPEED; |
5d304358 | 1061 | else if (speed == LSMODE) |
288ead45 | 1062 | rh->port |= USB_PORT_STAT_LOW_SPEED; |
5d304358 | 1063 | |
a5797a68 | 1064 | rh->port &= ~USB_PORT_STAT_RESET; |
749da5f8 | 1065 | rh->port |= USB_PORT_STAT_ENABLE; |
5d304358 YS |
1066 | } |
1067 | ||
1068 | /* this function must be called with interrupt disabled */ | |
1069 | static void r8a66597_usb_disconnect(struct r8a66597 *r8a66597, int port) | |
1070 | { | |
1071 | struct r8a66597_device *dev = r8a66597->root_hub[port].dev; | |
1072 | ||
5d304358 | 1073 | disable_r8a66597_pipe_all(r8a66597, dev); |
d8359334 | 1074 | free_usb_address(r8a66597, dev, 0); |
5d304358 | 1075 | |
54d0be9e | 1076 | start_root_hub_sampling(r8a66597, port, 0); |
5d304358 YS |
1077 | } |
1078 | ||
1079 | /* this function must be called with interrupt disabled */ | |
1080 | static void prepare_setup_packet(struct r8a66597 *r8a66597, | |
1081 | struct r8a66597_td *td) | |
1082 | { | |
1083 | int i; | |
fd05e720 | 1084 | __le16 *p = (__le16 *)td->urb->setup_packet; |
5d304358 YS |
1085 | unsigned long setup_addr = USBREQ; |
1086 | ||
1087 | r8a66597_write(r8a66597, make_devsel(td->address) | td->maxpacket, | |
1088 | DCPMAXP); | |
e294531d | 1089 | r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1); |
5d304358 YS |
1090 | |
1091 | for (i = 0; i < 4; i++) { | |
fd05e720 | 1092 | r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr); |
5d304358 YS |
1093 | setup_addr += 2; |
1094 | } | |
1095 | r8a66597_write(r8a66597, SUREQ, DCPCTR); | |
1096 | } | |
1097 | ||
1098 | /* this function must be called with interrupt disabled */ | |
1099 | static void prepare_packet_read(struct r8a66597 *r8a66597, | |
1100 | struct r8a66597_td *td) | |
1101 | { | |
1102 | struct urb *urb = td->urb; | |
1103 | ||
1104 | if (usb_pipecontrol(urb->pipe)) { | |
1105 | r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG); | |
1106 | r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL); | |
1107 | r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); | |
1108 | if (urb->actual_length == 0) { | |
1109 | r8a66597_pipe_toggle(r8a66597, td->pipe, 1); | |
1110 | r8a66597_write(r8a66597, BCLR, CFIFOCTR); | |
1111 | } | |
1112 | pipe_irq_disable(r8a66597, td->pipenum); | |
1113 | pipe_start(r8a66597, td->pipe); | |
1114 | pipe_irq_enable(r8a66597, urb, td->pipenum); | |
1115 | } else { | |
1116 | if (urb->actual_length == 0) { | |
1117 | pipe_irq_disable(r8a66597, td->pipenum); | |
1118 | pipe_setting(r8a66597, td); | |
1119 | pipe_stop(r8a66597, td->pipe); | |
e294531d | 1120 | r8a66597_write(r8a66597, ~(1 << td->pipenum), BRDYSTS); |
5d304358 YS |
1121 | |
1122 | if (td->pipe->pipetre) { | |
1123 | r8a66597_write(r8a66597, TRCLR, | |
e294531d | 1124 | td->pipe->pipetre); |
5d304358 | 1125 | r8a66597_write(r8a66597, |
dfa5ec79 JL |
1126 | DIV_ROUND_UP |
1127 | (urb->transfer_buffer_length, | |
1128 | td->maxpacket), | |
e294531d | 1129 | td->pipe->pipetrn); |
5d304358 | 1130 | r8a66597_bset(r8a66597, TRENB, |
e294531d | 1131 | td->pipe->pipetre); |
5d304358 YS |
1132 | } |
1133 | ||
1134 | pipe_start(r8a66597, td->pipe); | |
1135 | pipe_irq_enable(r8a66597, urb, td->pipenum); | |
1136 | } | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | /* this function must be called with interrupt disabled */ | |
1141 | static void prepare_packet_write(struct r8a66597 *r8a66597, | |
1142 | struct r8a66597_td *td) | |
1143 | { | |
1144 | u16 tmp; | |
1145 | struct urb *urb = td->urb; | |
1146 | ||
1147 | if (usb_pipecontrol(urb->pipe)) { | |
1148 | pipe_stop(r8a66597, td->pipe); | |
1149 | r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG); | |
1150 | r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL); | |
1151 | r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); | |
1152 | if (urb->actual_length == 0) { | |
1153 | r8a66597_pipe_toggle(r8a66597, td->pipe, 1); | |
1154 | r8a66597_write(r8a66597, BCLR, CFIFOCTR); | |
1155 | } | |
1156 | } else { | |
1157 | if (urb->actual_length == 0) | |
1158 | pipe_setting(r8a66597, td); | |
1159 | if (td->pipe->pipetre) | |
1160 | r8a66597_bclr(r8a66597, TRENB, td->pipe->pipetre); | |
1161 | } | |
e294531d | 1162 | r8a66597_write(r8a66597, ~(1 << td->pipenum), BRDYSTS); |
5d304358 YS |
1163 | |
1164 | fifo_change_from_pipe(r8a66597, td->pipe); | |
1165 | tmp = r8a66597_read(r8a66597, td->pipe->fifoctr); | |
1166 | if (unlikely((tmp & FRDY) == 0)) | |
1167 | pipe_irq_enable(r8a66597, urb, td->pipenum); | |
1168 | else | |
1169 | packet_write(r8a66597, td->pipenum); | |
1170 | pipe_start(r8a66597, td->pipe); | |
1171 | } | |
1172 | ||
1173 | /* this function must be called with interrupt disabled */ | |
1174 | static void prepare_status_packet(struct r8a66597 *r8a66597, | |
1175 | struct r8a66597_td *td) | |
1176 | { | |
1177 | struct urb *urb = td->urb; | |
1178 | ||
1179 | r8a66597_pipe_toggle(r8a66597, td->pipe, 1); | |
e294531d | 1180 | pipe_stop(r8a66597, td->pipe); |
5d304358 YS |
1181 | |
1182 | if (urb->setup_packet[0] & USB_ENDPOINT_DIR_MASK) { | |
1183 | r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG); | |
1184 | r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL); | |
1185 | r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); | |
e294531d | 1186 | r8a66597_write(r8a66597, ~BEMP0, BEMPSTS); |
9424ea29 | 1187 | r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR); |
5d304358 YS |
1188 | enable_irq_empty(r8a66597, 0); |
1189 | } else { | |
1190 | r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG); | |
1191 | r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL); | |
1192 | r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); | |
1193 | r8a66597_write(r8a66597, BCLR, CFIFOCTR); | |
5d304358 YS |
1194 | enable_irq_ready(r8a66597, 0); |
1195 | } | |
1196 | enable_irq_nrdy(r8a66597, 0); | |
1197 | pipe_start(r8a66597, td->pipe); | |
1198 | } | |
1199 | ||
e3a09051 YS |
1200 | static int is_set_address(unsigned char *setup_packet) |
1201 | { | |
1202 | if (((setup_packet[0] & USB_TYPE_MASK) == USB_TYPE_STANDARD) && | |
1203 | setup_packet[1] == USB_REQ_SET_ADDRESS) | |
1204 | return 1; | |
1205 | else | |
1206 | return 0; | |
1207 | } | |
1208 | ||
5d304358 YS |
1209 | /* this function must be called with interrupt disabled */ |
1210 | static int start_transfer(struct r8a66597 *r8a66597, struct r8a66597_td *td) | |
1211 | { | |
1212 | BUG_ON(!td); | |
1213 | ||
1214 | switch (td->type) { | |
1215 | case USB_PID_SETUP: | |
e3a09051 | 1216 | if (is_set_address(td->urb->setup_packet)) { |
5d304358 YS |
1217 | td->set_address = 1; |
1218 | td->urb->setup_packet[2] = alloc_usb_address(r8a66597, | |
1219 | td->urb); | |
1220 | if (td->urb->setup_packet[2] == 0) | |
1221 | return -EPIPE; | |
1222 | } | |
1223 | prepare_setup_packet(r8a66597, td); | |
1224 | break; | |
1225 | case USB_PID_IN: | |
1226 | prepare_packet_read(r8a66597, td); | |
1227 | break; | |
1228 | case USB_PID_OUT: | |
1229 | prepare_packet_write(r8a66597, td); | |
1230 | break; | |
1231 | case USB_PID_ACK: | |
1232 | prepare_status_packet(r8a66597, td); | |
1233 | break; | |
1234 | default: | |
802f389a | 1235 | printk(KERN_ERR "r8a66597: invalid type.\n"); |
5d304358 YS |
1236 | break; |
1237 | } | |
1238 | ||
1239 | return 0; | |
1240 | } | |
1241 | ||
1242 | static int check_transfer_finish(struct r8a66597_td *td, struct urb *urb) | |
1243 | { | |
1244 | if (usb_pipeisoc(urb->pipe)) { | |
1245 | if (urb->number_of_packets == td->iso_cnt) | |
1246 | return 1; | |
1247 | } | |
1248 | ||
1249 | /* control or bulk or interrupt */ | |
1250 | if ((urb->transfer_buffer_length <= urb->actual_length) || | |
1251 | (td->short_packet) || (td->zero_packet)) | |
1252 | return 1; | |
1253 | ||
1254 | return 0; | |
1255 | } | |
1256 | ||
1257 | /* this function must be called with interrupt disabled */ | |
1258 | static void set_td_timer(struct r8a66597 *r8a66597, struct r8a66597_td *td) | |
1259 | { | |
1260 | unsigned long time; | |
1261 | ||
1262 | BUG_ON(!td); | |
1263 | ||
1264 | if (!list_empty(&r8a66597->pipe_queue[td->pipenum]) && | |
1265 | !usb_pipecontrol(td->urb->pipe) && usb_pipein(td->urb->pipe)) { | |
1266 | r8a66597->timeout_map |= 1 << td->pipenum; | |
1267 | switch (usb_pipetype(td->urb->pipe)) { | |
1268 | case PIPE_INTERRUPT: | |
1269 | case PIPE_ISOCHRONOUS: | |
1270 | time = 30; | |
1271 | break; | |
1272 | default: | |
1273 | time = 300; | |
1274 | break; | |
1275 | } | |
1276 | ||
1277 | mod_timer(&r8a66597->td_timer[td->pipenum], | |
1278 | jiffies + msecs_to_jiffies(time)); | |
1279 | } | |
1280 | } | |
1281 | ||
1282 | /* this function must be called with interrupt disabled */ | |
dfd1e537 | 1283 | static void finish_request(struct r8a66597 *r8a66597, struct r8a66597_td *td, |
888fda47 | 1284 | u16 pipenum, struct urb *urb, int status) |
dfd1e537 | 1285 | __releases(r8a66597->lock) __acquires(r8a66597->lock) |
5d304358 YS |
1286 | { |
1287 | int restart = 0; | |
1288 | struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597); | |
1289 | ||
1290 | r8a66597->timeout_map &= ~(1 << pipenum); | |
1291 | ||
1292 | if (likely(td)) { | |
888fda47 | 1293 | if (td->set_address && (status != 0 || urb->unlinked)) |
5d304358 YS |
1294 | r8a66597->address_map &= ~(1 << urb->setup_packet[2]); |
1295 | ||
1296 | pipe_toggle_save(r8a66597, td->pipe, urb); | |
1297 | list_del(&td->queue); | |
1298 | kfree(td); | |
1299 | } | |
1300 | ||
1301 | if (!list_empty(&r8a66597->pipe_queue[pipenum])) | |
1302 | restart = 1; | |
1303 | ||
1304 | if (likely(urb)) { | |
1305 | if (usb_pipeisoc(urb->pipe)) | |
1306 | urb->start_frame = r8a66597_get_frame(hcd); | |
1307 | ||
2717568e | 1308 | r8a66597_urb_done(r8a66597, urb, status); |
5d304358 YS |
1309 | } |
1310 | ||
1311 | if (restart) { | |
1312 | td = r8a66597_get_td(r8a66597, pipenum); | |
1313 | if (unlikely(!td)) | |
1314 | return; | |
1315 | ||
1316 | start_transfer(r8a66597, td); | |
1317 | set_td_timer(r8a66597, td); | |
1318 | } | |
1319 | } | |
1320 | ||
5d304358 YS |
1321 | static void packet_read(struct r8a66597 *r8a66597, u16 pipenum) |
1322 | { | |
1323 | u16 tmp; | |
1324 | int rcv_len, bufsize, urb_len, size; | |
1325 | u16 *buf; | |
1326 | struct r8a66597_td *td = r8a66597_get_td(r8a66597, pipenum); | |
1327 | struct urb *urb; | |
1328 | int finish = 0; | |
dfd1e537 | 1329 | int status = 0; |
5d304358 YS |
1330 | |
1331 | if (unlikely(!td)) | |
1332 | return; | |
1333 | urb = td->urb; | |
1334 | ||
1335 | fifo_change_from_pipe(r8a66597, td->pipe); | |
1336 | tmp = r8a66597_read(r8a66597, td->pipe->fifoctr); | |
1337 | if (unlikely((tmp & FRDY) == 0)) { | |
5d304358 YS |
1338 | pipe_stop(r8a66597, td->pipe); |
1339 | pipe_irq_disable(r8a66597, pipenum); | |
802f389a | 1340 | printk(KERN_ERR "r8a66597: in fifo not ready (%d)\n", pipenum); |
888fda47 | 1341 | finish_request(r8a66597, td, pipenum, td->urb, -EPIPE); |
5d304358 YS |
1342 | return; |
1343 | } | |
1344 | ||
1345 | /* prepare parameters */ | |
1346 | rcv_len = tmp & DTLN; | |
5d304358 YS |
1347 | if (usb_pipeisoc(urb->pipe)) { |
1348 | buf = (u16 *)(urb->transfer_buffer + | |
1349 | urb->iso_frame_desc[td->iso_cnt].offset); | |
1350 | urb_len = urb->iso_frame_desc[td->iso_cnt].length; | |
1351 | } else { | |
1352 | buf = (void *)urb->transfer_buffer + urb->actual_length; | |
1353 | urb_len = urb->transfer_buffer_length - urb->actual_length; | |
1354 | } | |
dfd1e537 AS |
1355 | bufsize = min(urb_len, (int) td->maxpacket); |
1356 | if (rcv_len <= bufsize) { | |
1357 | size = rcv_len; | |
1358 | } else { | |
1359 | size = bufsize; | |
1360 | status = -EOVERFLOW; | |
1361 | finish = 1; | |
1362 | } | |
5d304358 YS |
1363 | |
1364 | /* update parameters */ | |
1365 | urb->actual_length += size; | |
1366 | if (rcv_len == 0) | |
1367 | td->zero_packet = 1; | |
dfd1e537 | 1368 | if (rcv_len < bufsize) { |
5d304358 | 1369 | td->short_packet = 1; |
5d304358 YS |
1370 | } |
1371 | if (usb_pipeisoc(urb->pipe)) { | |
1372 | urb->iso_frame_desc[td->iso_cnt].actual_length = size; | |
dfd1e537 | 1373 | urb->iso_frame_desc[td->iso_cnt].status = status; |
5d304358 | 1374 | td->iso_cnt++; |
dfd1e537 | 1375 | finish = 0; |
5d304358 YS |
1376 | } |
1377 | ||
1378 | /* check transfer finish */ | |
b0d9efba | 1379 | if (finish || check_transfer_finish(td, urb)) { |
5d304358 YS |
1380 | pipe_stop(r8a66597, td->pipe); |
1381 | pipe_irq_disable(r8a66597, pipenum); | |
1382 | finish = 1; | |
1383 | } | |
1384 | ||
1385 | /* read fifo */ | |
1386 | if (urb->transfer_buffer) { | |
1387 | if (size == 0) | |
1388 | r8a66597_write(r8a66597, BCLR, td->pipe->fifoctr); | |
1389 | else | |
1390 | r8a66597_read_fifo(r8a66597, td->pipe->fifoaddr, | |
1391 | buf, size); | |
1392 | } | |
1393 | ||
888fda47 AS |
1394 | if (finish && pipenum != 0) |
1395 | finish_request(r8a66597, td, pipenum, urb, status); | |
5d304358 YS |
1396 | } |
1397 | ||
1398 | static void packet_write(struct r8a66597 *r8a66597, u16 pipenum) | |
1399 | { | |
1400 | u16 tmp; | |
1401 | int bufsize, size; | |
1402 | u16 *buf; | |
1403 | struct r8a66597_td *td = r8a66597_get_td(r8a66597, pipenum); | |
1404 | struct urb *urb; | |
1405 | ||
1406 | if (unlikely(!td)) | |
1407 | return; | |
1408 | urb = td->urb; | |
1409 | ||
1410 | fifo_change_from_pipe(r8a66597, td->pipe); | |
1411 | tmp = r8a66597_read(r8a66597, td->pipe->fifoctr); | |
1412 | if (unlikely((tmp & FRDY) == 0)) { | |
5d304358 YS |
1413 | pipe_stop(r8a66597, td->pipe); |
1414 | pipe_irq_disable(r8a66597, pipenum); | |
802f389a | 1415 | printk(KERN_ERR "r8a66597: out fifo not ready (%d)\n", pipenum); |
888fda47 | 1416 | finish_request(r8a66597, td, pipenum, urb, -EPIPE); |
5d304358 YS |
1417 | return; |
1418 | } | |
1419 | ||
1420 | /* prepare parameters */ | |
1421 | bufsize = td->maxpacket; | |
1422 | if (usb_pipeisoc(urb->pipe)) { | |
1423 | buf = (u16 *)(urb->transfer_buffer + | |
1424 | urb->iso_frame_desc[td->iso_cnt].offset); | |
1425 | size = min(bufsize, | |
1426 | (int)urb->iso_frame_desc[td->iso_cnt].length); | |
1427 | } else { | |
1428 | buf = (u16 *)(urb->transfer_buffer + urb->actual_length); | |
16e2e5f6 | 1429 | size = min_t(u32, bufsize, |
5d304358 YS |
1430 | urb->transfer_buffer_length - urb->actual_length); |
1431 | } | |
1432 | ||
1433 | /* write fifo */ | |
1434 | if (pipenum > 0) | |
e294531d | 1435 | r8a66597_write(r8a66597, ~(1 << pipenum), BEMPSTS); |
5d304358 | 1436 | if (urb->transfer_buffer) { |
f2e9039a | 1437 | r8a66597_write_fifo(r8a66597, td->pipe, buf, size); |
5d304358 YS |
1438 | if (!usb_pipebulk(urb->pipe) || td->maxpacket != size) |
1439 | r8a66597_write(r8a66597, BVAL, td->pipe->fifoctr); | |
1440 | } | |
1441 | ||
1442 | /* update parameters */ | |
1443 | urb->actual_length += size; | |
1444 | if (usb_pipeisoc(urb->pipe)) { | |
1445 | urb->iso_frame_desc[td->iso_cnt].actual_length = size; | |
1446 | urb->iso_frame_desc[td->iso_cnt].status = 0; | |
1447 | td->iso_cnt++; | |
1448 | } | |
1449 | ||
1450 | /* check transfer finish */ | |
1451 | if (check_transfer_finish(td, urb)) { | |
1452 | disable_irq_ready(r8a66597, pipenum); | |
1453 | enable_irq_empty(r8a66597, pipenum); | |
1454 | if (!usb_pipeisoc(urb->pipe)) | |
1455 | enable_irq_nrdy(r8a66597, pipenum); | |
1456 | } else | |
1457 | pipe_irq_enable(r8a66597, urb, pipenum); | |
1458 | } | |
1459 | ||
1460 | ||
888fda47 | 1461 | static void check_next_phase(struct r8a66597 *r8a66597, int status) |
5d304358 YS |
1462 | { |
1463 | struct r8a66597_td *td = r8a66597_get_td(r8a66597, 0); | |
1464 | struct urb *urb; | |
1465 | u8 finish = 0; | |
1466 | ||
1467 | if (unlikely(!td)) | |
1468 | return; | |
1469 | urb = td->urb; | |
1470 | ||
1471 | switch (td->type) { | |
1472 | case USB_PID_IN: | |
1473 | case USB_PID_OUT: | |
5d304358 YS |
1474 | if (check_transfer_finish(td, urb)) |
1475 | td->type = USB_PID_ACK; | |
1476 | break; | |
1477 | case USB_PID_SETUP: | |
eb231054 | 1478 | if (urb->transfer_buffer_length == urb->actual_length) |
5d304358 | 1479 | td->type = USB_PID_ACK; |
eb231054 | 1480 | else if (usb_pipeout(urb->pipe)) |
5d304358 YS |
1481 | td->type = USB_PID_OUT; |
1482 | else | |
1483 | td->type = USB_PID_IN; | |
1484 | break; | |
1485 | case USB_PID_ACK: | |
1486 | finish = 1; | |
5d304358 YS |
1487 | break; |
1488 | } | |
1489 | ||
888fda47 AS |
1490 | if (finish || status != 0 || urb->unlinked) |
1491 | finish_request(r8a66597, td, 0, urb, status); | |
5d304358 YS |
1492 | else |
1493 | start_transfer(r8a66597, td); | |
1494 | } | |
1495 | ||
888fda47 | 1496 | static int get_urb_error(struct r8a66597 *r8a66597, u16 pipenum) |
5d304358 YS |
1497 | { |
1498 | struct r8a66597_td *td = r8a66597_get_td(r8a66597, pipenum); | |
1499 | ||
888fda47 | 1500 | if (td) { |
5d304358 YS |
1501 | u16 pid = r8a66597_read(r8a66597, td->pipe->pipectr) & PID; |
1502 | ||
1503 | if (pid == PID_NAK) | |
888fda47 | 1504 | return -ECONNRESET; |
5d304358 | 1505 | else |
888fda47 | 1506 | return -EPIPE; |
5d304358 | 1507 | } |
888fda47 | 1508 | return 0; |
5d304358 YS |
1509 | } |
1510 | ||
1511 | static void irq_pipe_ready(struct r8a66597 *r8a66597) | |
1512 | { | |
1513 | u16 check; | |
1514 | u16 pipenum; | |
1515 | u16 mask; | |
1516 | struct r8a66597_td *td; | |
1517 | ||
1518 | mask = r8a66597_read(r8a66597, BRDYSTS) | |
1519 | & r8a66597_read(r8a66597, BRDYENB); | |
e294531d | 1520 | r8a66597_write(r8a66597, ~mask, BRDYSTS); |
5d304358 YS |
1521 | if (mask & BRDY0) { |
1522 | td = r8a66597_get_td(r8a66597, 0); | |
1523 | if (td && td->type == USB_PID_IN) | |
1524 | packet_read(r8a66597, 0); | |
1525 | else | |
1526 | pipe_irq_disable(r8a66597, 0); | |
888fda47 | 1527 | check_next_phase(r8a66597, 0); |
5d304358 YS |
1528 | } |
1529 | ||
1530 | for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
1531 | check = 1 << pipenum; | |
1532 | if (mask & check) { | |
1533 | td = r8a66597_get_td(r8a66597, pipenum); | |
1534 | if (unlikely(!td)) | |
1535 | continue; | |
1536 | ||
1537 | if (td->type == USB_PID_IN) | |
1538 | packet_read(r8a66597, pipenum); | |
1539 | else if (td->type == USB_PID_OUT) | |
1540 | packet_write(r8a66597, pipenum); | |
1541 | } | |
1542 | } | |
1543 | } | |
1544 | ||
1545 | static void irq_pipe_empty(struct r8a66597 *r8a66597) | |
1546 | { | |
1547 | u16 tmp; | |
1548 | u16 check; | |
1549 | u16 pipenum; | |
1550 | u16 mask; | |
1551 | struct r8a66597_td *td; | |
1552 | ||
1553 | mask = r8a66597_read(r8a66597, BEMPSTS) | |
1554 | & r8a66597_read(r8a66597, BEMPENB); | |
e294531d | 1555 | r8a66597_write(r8a66597, ~mask, BEMPSTS); |
5d304358 YS |
1556 | if (mask & BEMP0) { |
1557 | cfifo_change(r8a66597, 0); | |
1558 | td = r8a66597_get_td(r8a66597, 0); | |
1559 | if (td && td->type != USB_PID_OUT) | |
1560 | disable_irq_empty(r8a66597, 0); | |
888fda47 | 1561 | check_next_phase(r8a66597, 0); |
5d304358 YS |
1562 | } |
1563 | ||
1564 | for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
1565 | check = 1 << pipenum; | |
1566 | if (mask & check) { | |
1567 | struct r8a66597_td *td; | |
1568 | td = r8a66597_get_td(r8a66597, pipenum); | |
1569 | if (unlikely(!td)) | |
1570 | continue; | |
1571 | ||
1572 | tmp = r8a66597_read(r8a66597, td->pipe->pipectr); | |
1573 | if ((tmp & INBUFM) == 0) { | |
1574 | disable_irq_empty(r8a66597, pipenum); | |
1575 | pipe_irq_disable(r8a66597, pipenum); | |
888fda47 AS |
1576 | finish_request(r8a66597, td, pipenum, td->urb, |
1577 | 0); | |
5d304358 YS |
1578 | } |
1579 | } | |
1580 | } | |
1581 | } | |
1582 | ||
1583 | static void irq_pipe_nrdy(struct r8a66597 *r8a66597) | |
1584 | { | |
1585 | u16 check; | |
1586 | u16 pipenum; | |
1587 | u16 mask; | |
888fda47 | 1588 | int status; |
5d304358 YS |
1589 | |
1590 | mask = r8a66597_read(r8a66597, NRDYSTS) | |
1591 | & r8a66597_read(r8a66597, NRDYENB); | |
e294531d | 1592 | r8a66597_write(r8a66597, ~mask, NRDYSTS); |
5d304358 YS |
1593 | if (mask & NRDY0) { |
1594 | cfifo_change(r8a66597, 0); | |
888fda47 | 1595 | status = get_urb_error(r8a66597, 0); |
5d304358 | 1596 | pipe_irq_disable(r8a66597, 0); |
888fda47 | 1597 | check_next_phase(r8a66597, status); |
5d304358 YS |
1598 | } |
1599 | ||
1600 | for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
1601 | check = 1 << pipenum; | |
1602 | if (mask & check) { | |
1603 | struct r8a66597_td *td; | |
1604 | td = r8a66597_get_td(r8a66597, pipenum); | |
1605 | if (unlikely(!td)) | |
1606 | continue; | |
1607 | ||
888fda47 | 1608 | status = get_urb_error(r8a66597, pipenum); |
5d304358 YS |
1609 | pipe_irq_disable(r8a66597, pipenum); |
1610 | pipe_stop(r8a66597, td->pipe); | |
888fda47 | 1611 | finish_request(r8a66597, td, pipenum, td->urb, status); |
5d304358 YS |
1612 | } |
1613 | } | |
1614 | } | |
1615 | ||
5d304358 YS |
1616 | static irqreturn_t r8a66597_irq(struct usb_hcd *hcd) |
1617 | { | |
1618 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
1619 | u16 intsts0, intsts1, intsts2; | |
1620 | u16 intenb0, intenb1, intenb2; | |
1621 | u16 mask0, mask1, mask2; | |
888fda47 | 1622 | int status; |
5d304358 YS |
1623 | |
1624 | spin_lock(&r8a66597->lock); | |
1625 | ||
1626 | intsts0 = r8a66597_read(r8a66597, INTSTS0); | |
1627 | intsts1 = r8a66597_read(r8a66597, INTSTS1); | |
1628 | intsts2 = r8a66597_read(r8a66597, INTSTS2); | |
1629 | intenb0 = r8a66597_read(r8a66597, INTENB0); | |
1630 | intenb1 = r8a66597_read(r8a66597, INTENB1); | |
1631 | intenb2 = r8a66597_read(r8a66597, INTENB2); | |
1632 | ||
1633 | mask2 = intsts2 & intenb2; | |
1634 | mask1 = intsts1 & intenb1; | |
1635 | mask0 = intsts0 & intenb0 & (BEMP | NRDY | BRDY); | |
1636 | if (mask2) { | |
1637 | if (mask2 & ATTCH) { | |
e294531d | 1638 | r8a66597_write(r8a66597, ~ATTCH, INTSTS2); |
5d304358 YS |
1639 | r8a66597_bclr(r8a66597, ATTCHE, INTENB2); |
1640 | ||
1641 | /* start usb bus sampling */ | |
54d0be9e | 1642 | start_root_hub_sampling(r8a66597, 1, 1); |
5d304358 YS |
1643 | } |
1644 | if (mask2 & DTCH) { | |
e294531d | 1645 | r8a66597_write(r8a66597, ~DTCH, INTSTS2); |
5d304358 YS |
1646 | r8a66597_bclr(r8a66597, DTCHE, INTENB2); |
1647 | r8a66597_usb_disconnect(r8a66597, 1); | |
1648 | } | |
e1e609be YS |
1649 | if (mask2 & BCHG) { |
1650 | r8a66597_write(r8a66597, ~BCHG, INTSTS2); | |
1651 | r8a66597_bclr(r8a66597, BCHGE, INTENB2); | |
1652 | usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597)); | |
1653 | } | |
5d304358 YS |
1654 | } |
1655 | ||
1656 | if (mask1) { | |
1657 | if (mask1 & ATTCH) { | |
e294531d | 1658 | r8a66597_write(r8a66597, ~ATTCH, INTSTS1); |
5d304358 YS |
1659 | r8a66597_bclr(r8a66597, ATTCHE, INTENB1); |
1660 | ||
1661 | /* start usb bus sampling */ | |
54d0be9e | 1662 | start_root_hub_sampling(r8a66597, 0, 1); |
5d304358 YS |
1663 | } |
1664 | if (mask1 & DTCH) { | |
e294531d | 1665 | r8a66597_write(r8a66597, ~DTCH, INTSTS1); |
5d304358 YS |
1666 | r8a66597_bclr(r8a66597, DTCHE, INTENB1); |
1667 | r8a66597_usb_disconnect(r8a66597, 0); | |
1668 | } | |
e1e609be YS |
1669 | if (mask1 & BCHG) { |
1670 | r8a66597_write(r8a66597, ~BCHG, INTSTS1); | |
1671 | r8a66597_bclr(r8a66597, BCHGE, INTENB1); | |
1672 | usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597)); | |
1673 | } | |
1674 | ||
5d304358 | 1675 | if (mask1 & SIGN) { |
e294531d | 1676 | r8a66597_write(r8a66597, ~SIGN, INTSTS1); |
888fda47 AS |
1677 | status = get_urb_error(r8a66597, 0); |
1678 | check_next_phase(r8a66597, status); | |
5d304358 YS |
1679 | } |
1680 | if (mask1 & SACK) { | |
e294531d | 1681 | r8a66597_write(r8a66597, ~SACK, INTSTS1); |
888fda47 | 1682 | check_next_phase(r8a66597, 0); |
5d304358 YS |
1683 | } |
1684 | } | |
1685 | if (mask0) { | |
1686 | if (mask0 & BRDY) | |
1687 | irq_pipe_ready(r8a66597); | |
1688 | if (mask0 & BEMP) | |
1689 | irq_pipe_empty(r8a66597); | |
1690 | if (mask0 & NRDY) | |
1691 | irq_pipe_nrdy(r8a66597); | |
1692 | } | |
1693 | ||
1694 | spin_unlock(&r8a66597->lock); | |
1695 | return IRQ_HANDLED; | |
1696 | } | |
1697 | ||
1698 | /* this function must be called with interrupt disabled */ | |
1699 | static void r8a66597_root_hub_control(struct r8a66597 *r8a66597, int port) | |
1700 | { | |
1701 | u16 tmp; | |
1702 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; | |
1703 | ||
749da5f8 | 1704 | if (rh->port & USB_PORT_STAT_RESET) { |
5d304358 YS |
1705 | unsigned long dvstctr_reg = get_dvstctr_reg(port); |
1706 | ||
1707 | tmp = r8a66597_read(r8a66597, dvstctr_reg); | |
1708 | if ((tmp & USBRST) == USBRST) { | |
1709 | r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, | |
1710 | dvstctr_reg); | |
29fab0cd | 1711 | r8a66597_root_hub_start_polling(r8a66597); |
5d304358 YS |
1712 | } else |
1713 | r8a66597_usb_connect(r8a66597, port); | |
1714 | } | |
1715 | ||
749da5f8 | 1716 | if (!(rh->port & USB_PORT_STAT_CONNECTION)) { |
29fab0cd YS |
1717 | r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port)); |
1718 | r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port)); | |
1719 | } | |
1720 | ||
5d304358 YS |
1721 | if (rh->scount > 0) { |
1722 | tmp = r8a66597_read(r8a66597, get_syssts_reg(port)) & LNST; | |
1723 | if (tmp == rh->old_syssts) { | |
1724 | rh->scount--; | |
29fab0cd YS |
1725 | if (rh->scount == 0) |
1726 | r8a66597_check_syssts(r8a66597, port, tmp); | |
1727 | else | |
1728 | r8a66597_root_hub_start_polling(r8a66597); | |
5d304358 YS |
1729 | } else { |
1730 | rh->scount = R8A66597_MAX_SAMPLING; | |
1731 | rh->old_syssts = tmp; | |
29fab0cd | 1732 | r8a66597_root_hub_start_polling(r8a66597); |
5d304358 YS |
1733 | } |
1734 | } | |
1735 | } | |
1736 | ||
6d879107 YS |
1737 | static void r8a66597_interval_timer(unsigned long _r8a66597) |
1738 | { | |
1739 | struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597; | |
1740 | unsigned long flags; | |
1741 | u16 pipenum; | |
1742 | struct r8a66597_td *td; | |
1743 | ||
1744 | spin_lock_irqsave(&r8a66597->lock, flags); | |
1745 | ||
1746 | for (pipenum = 0; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
1747 | if (!(r8a66597->interval_map & (1 << pipenum))) | |
1748 | continue; | |
1749 | if (timer_pending(&r8a66597->interval_timer[pipenum])) | |
1750 | continue; | |
1751 | ||
1752 | td = r8a66597_get_td(r8a66597, pipenum); | |
1753 | if (td) | |
1754 | start_transfer(r8a66597, td); | |
1755 | } | |
1756 | ||
1757 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
1758 | } | |
1759 | ||
5d304358 YS |
1760 | static void r8a66597_td_timer(unsigned long _r8a66597) |
1761 | { | |
1762 | struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597; | |
1763 | unsigned long flags; | |
1764 | u16 pipenum; | |
1765 | struct r8a66597_td *td, *new_td = NULL; | |
1766 | struct r8a66597_pipe *pipe; | |
1767 | ||
1768 | spin_lock_irqsave(&r8a66597->lock, flags); | |
1769 | for (pipenum = 0; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
1770 | if (!(r8a66597->timeout_map & (1 << pipenum))) | |
1771 | continue; | |
1772 | if (timer_pending(&r8a66597->td_timer[pipenum])) | |
1773 | continue; | |
1774 | ||
1775 | td = r8a66597_get_td(r8a66597, pipenum); | |
1776 | if (!td) { | |
1777 | r8a66597->timeout_map &= ~(1 << pipenum); | |
1778 | continue; | |
1779 | } | |
1780 | ||
1781 | if (td->urb->actual_length) { | |
1782 | set_td_timer(r8a66597, td); | |
1783 | break; | |
1784 | } | |
1785 | ||
1786 | pipe = td->pipe; | |
1787 | pipe_stop(r8a66597, pipe); | |
1788 | ||
1789 | new_td = td; | |
1790 | do { | |
1791 | list_move_tail(&new_td->queue, | |
1792 | &r8a66597->pipe_queue[pipenum]); | |
1793 | new_td = r8a66597_get_td(r8a66597, pipenum); | |
1794 | if (!new_td) { | |
1795 | new_td = td; | |
1796 | break; | |
1797 | } | |
1798 | } while (td != new_td && td->address == new_td->address); | |
1799 | ||
1800 | start_transfer(r8a66597, new_td); | |
1801 | ||
1802 | if (td == new_td) | |
1803 | r8a66597->timeout_map &= ~(1 << pipenum); | |
1804 | else | |
1805 | set_td_timer(r8a66597, new_td); | |
1806 | break; | |
1807 | } | |
1808 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
1809 | } | |
1810 | ||
1811 | static void r8a66597_timer(unsigned long _r8a66597) | |
1812 | { | |
1813 | struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597; | |
1814 | unsigned long flags; | |
58639646 | 1815 | int port; |
5d304358 YS |
1816 | |
1817 | spin_lock_irqsave(&r8a66597->lock, flags); | |
1818 | ||
719a72b7 | 1819 | for (port = 0; port < r8a66597->max_root_hub; port++) |
58639646 | 1820 | r8a66597_root_hub_control(r8a66597, port); |
5d304358 YS |
1821 | |
1822 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
1823 | } | |
1824 | ||
1825 | static int check_pipe_config(struct r8a66597 *r8a66597, struct urb *urb) | |
1826 | { | |
1827 | struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
1828 | ||
1829 | if (dev && dev->address && dev->state != USB_STATE_CONFIGURED && | |
1830 | (urb->dev->state == USB_STATE_CONFIGURED)) | |
1831 | return 1; | |
1832 | else | |
1833 | return 0; | |
1834 | } | |
1835 | ||
1836 | static int r8a66597_start(struct usb_hcd *hcd) | |
1837 | { | |
1838 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
5d304358 YS |
1839 | |
1840 | hcd->state = HC_STATE_RUNNING; | |
e294531d | 1841 | return enable_controller(r8a66597); |
5d304358 YS |
1842 | } |
1843 | ||
1844 | static void r8a66597_stop(struct usb_hcd *hcd) | |
1845 | { | |
1846 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
1847 | ||
1848 | disable_controller(r8a66597); | |
1849 | } | |
1850 | ||
1851 | static void set_address_zero(struct r8a66597 *r8a66597, struct urb *urb) | |
1852 | { | |
1853 | unsigned int usb_address = usb_pipedevice(urb->pipe); | |
1854 | u16 root_port, hub_port; | |
1855 | ||
1856 | if (usb_address == 0) { | |
719a72b7 | 1857 | get_port_number(r8a66597, urb->dev->devpath, |
5d304358 YS |
1858 | &root_port, &hub_port); |
1859 | set_devadd_reg(r8a66597, 0, | |
1860 | get_r8a66597_usb_speed(urb->dev->speed), | |
1861 | get_parent_r8a66597_address(r8a66597, urb->dev), | |
1862 | hub_port, root_port); | |
1863 | } | |
1864 | } | |
1865 | ||
1866 | static struct r8a66597_td *r8a66597_make_td(struct r8a66597 *r8a66597, | |
1867 | struct urb *urb, | |
e294531d | 1868 | struct usb_host_endpoint *hep) |
5d304358 YS |
1869 | { |
1870 | struct r8a66597_td *td; | |
1871 | u16 pipenum; | |
1872 | ||
e294531d | 1873 | td = kzalloc(sizeof(struct r8a66597_td), GFP_ATOMIC); |
5d304358 YS |
1874 | if (td == NULL) |
1875 | return NULL; | |
1876 | ||
1877 | pipenum = r8a66597_get_pipenum(urb, hep); | |
1878 | td->pipenum = pipenum; | |
1879 | td->pipe = hep->hcpriv; | |
1880 | td->urb = urb; | |
1881 | td->address = get_urb_to_r8a66597_addr(r8a66597, urb); | |
1882 | td->maxpacket = usb_maxpacket(urb->dev, urb->pipe, | |
1883 | !usb_pipein(urb->pipe)); | |
1884 | if (usb_pipecontrol(urb->pipe)) | |
1885 | td->type = USB_PID_SETUP; | |
1886 | else if (usb_pipein(urb->pipe)) | |
1887 | td->type = USB_PID_IN; | |
1888 | else | |
1889 | td->type = USB_PID_OUT; | |
1890 | INIT_LIST_HEAD(&td->queue); | |
1891 | ||
1892 | return td; | |
1893 | } | |
1894 | ||
1895 | static int r8a66597_urb_enqueue(struct usb_hcd *hcd, | |
5d304358 YS |
1896 | struct urb *urb, |
1897 | gfp_t mem_flags) | |
1898 | { | |
e9df41c5 | 1899 | struct usb_host_endpoint *hep = urb->ep; |
5d304358 YS |
1900 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); |
1901 | struct r8a66597_td *td = NULL; | |
e9df41c5 | 1902 | int ret, request = 0; |
5d304358 YS |
1903 | unsigned long flags; |
1904 | ||
1905 | spin_lock_irqsave(&r8a66597->lock, flags); | |
1906 | if (!get_urb_to_r8a66597_dev(r8a66597, urb)) { | |
1907 | ret = -ENODEV; | |
e9df41c5 | 1908 | goto error_not_linked; |
5d304358 YS |
1909 | } |
1910 | ||
e9df41c5 AS |
1911 | ret = usb_hcd_link_urb_to_ep(hcd, urb); |
1912 | if (ret) | |
1913 | goto error_not_linked; | |
1914 | ||
5d304358 | 1915 | if (!hep->hcpriv) { |
e294531d YS |
1916 | hep->hcpriv = kzalloc(sizeof(struct r8a66597_pipe), |
1917 | GFP_ATOMIC); | |
5d304358 YS |
1918 | if (!hep->hcpriv) { |
1919 | ret = -ENOMEM; | |
1920 | goto error; | |
1921 | } | |
1922 | set_pipe_reg_addr(hep->hcpriv, R8A66597_PIPE_NO_DMA); | |
1923 | if (usb_pipeendpoint(urb->pipe)) | |
1924 | init_pipe_info(r8a66597, urb, hep, &hep->desc); | |
1925 | } | |
1926 | ||
1927 | if (unlikely(check_pipe_config(r8a66597, urb))) | |
1928 | init_pipe_config(r8a66597, urb); | |
1929 | ||
1930 | set_address_zero(r8a66597, urb); | |
e294531d | 1931 | td = r8a66597_make_td(r8a66597, urb, hep); |
5d304358 YS |
1932 | if (td == NULL) { |
1933 | ret = -ENOMEM; | |
1934 | goto error; | |
1935 | } | |
1936 | if (list_empty(&r8a66597->pipe_queue[td->pipenum])) | |
1937 | request = 1; | |
1938 | list_add_tail(&td->queue, &r8a66597->pipe_queue[td->pipenum]); | |
5d304358 | 1939 | urb->hcpriv = td; |
5d304358 YS |
1940 | |
1941 | if (request) { | |
6d879107 YS |
1942 | if (td->pipe->info.timer_interval) { |
1943 | r8a66597->interval_map |= 1 << td->pipenum; | |
1944 | mod_timer(&r8a66597->interval_timer[td->pipenum], | |
1945 | jiffies + msecs_to_jiffies( | |
1946 | td->pipe->info.timer_interval)); | |
1947 | } else { | |
1948 | ret = start_transfer(r8a66597, td); | |
1949 | if (ret < 0) { | |
1950 | list_del(&td->queue); | |
1951 | kfree(td); | |
1952 | } | |
5d304358 YS |
1953 | } |
1954 | } else | |
1955 | set_td_timer(r8a66597, td); | |
1956 | ||
1957 | error: | |
e9df41c5 AS |
1958 | if (ret) |
1959 | usb_hcd_unlink_urb_from_ep(hcd, urb); | |
1960 | error_not_linked: | |
5d304358 YS |
1961 | spin_unlock_irqrestore(&r8a66597->lock, flags); |
1962 | return ret; | |
1963 | } | |
1964 | ||
e9df41c5 AS |
1965 | static int r8a66597_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, |
1966 | int status) | |
5d304358 YS |
1967 | { |
1968 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
1969 | struct r8a66597_td *td; | |
1970 | unsigned long flags; | |
e9df41c5 | 1971 | int rc; |
5d304358 YS |
1972 | |
1973 | spin_lock_irqsave(&r8a66597->lock, flags); | |
e9df41c5 AS |
1974 | rc = usb_hcd_check_unlink_urb(hcd, urb, status); |
1975 | if (rc) | |
1976 | goto done; | |
1977 | ||
5d304358 YS |
1978 | if (urb->hcpriv) { |
1979 | td = urb->hcpriv; | |
1980 | pipe_stop(r8a66597, td->pipe); | |
1981 | pipe_irq_disable(r8a66597, td->pipenum); | |
1982 | disable_irq_empty(r8a66597, td->pipenum); | |
888fda47 | 1983 | finish_request(r8a66597, td, td->pipenum, urb, status); |
5d304358 | 1984 | } |
e9df41c5 | 1985 | done: |
5d304358 | 1986 | spin_unlock_irqrestore(&r8a66597->lock, flags); |
e9df41c5 | 1987 | return rc; |
5d304358 YS |
1988 | } |
1989 | ||
1990 | static void r8a66597_endpoint_disable(struct usb_hcd *hcd, | |
1991 | struct usb_host_endpoint *hep) | |
1992 | { | |
1993 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
1994 | struct r8a66597_pipe *pipe = (struct r8a66597_pipe *)hep->hcpriv; | |
1995 | struct r8a66597_td *td; | |
1996 | struct urb *urb = NULL; | |
1997 | u16 pipenum; | |
1998 | unsigned long flags; | |
1999 | ||
2000 | if (pipe == NULL) | |
2001 | return; | |
2002 | pipenum = pipe->info.pipenum; | |
2003 | ||
2004 | if (pipenum == 0) { | |
2005 | kfree(hep->hcpriv); | |
2006 | hep->hcpriv = NULL; | |
2007 | return; | |
2008 | } | |
2009 | ||
2010 | spin_lock_irqsave(&r8a66597->lock, flags); | |
2011 | pipe_stop(r8a66597, pipe); | |
2012 | pipe_irq_disable(r8a66597, pipenum); | |
2013 | disable_irq_empty(r8a66597, pipenum); | |
2014 | td = r8a66597_get_td(r8a66597, pipenum); | |
2015 | if (td) | |
2016 | urb = td->urb; | |
888fda47 | 2017 | finish_request(r8a66597, td, pipenum, urb, -ESHUTDOWN); |
5d304358 YS |
2018 | kfree(hep->hcpriv); |
2019 | hep->hcpriv = NULL; | |
2020 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
2021 | } | |
2022 | ||
2023 | static int r8a66597_get_frame(struct usb_hcd *hcd) | |
2024 | { | |
2025 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
2026 | return r8a66597_read(r8a66597, FRMNUM) & 0x03FF; | |
2027 | } | |
2028 | ||
2029 | static void collect_usb_address_map(struct usb_device *udev, unsigned long *map) | |
2030 | { | |
2031 | int chix; | |
ff823c79 | 2032 | struct usb_device *childdev; |
5d304358 YS |
2033 | |
2034 | if (udev->state == USB_STATE_CONFIGURED && | |
2035 | udev->parent && udev->parent->devnum > 1 && | |
2036 | udev->parent->descriptor.bDeviceClass == USB_CLASS_HUB) | |
2037 | map[udev->devnum/32] |= (1 << (udev->devnum % 32)); | |
2038 | ||
ff823c79 | 2039 | usb_hub_for_each_child(udev, chix, childdev) { |
5d304358 YS |
2040 | if (childdev) |
2041 | collect_usb_address_map(childdev, map); | |
2042 | } | |
2043 | } | |
2044 | ||
2045 | /* this function must be called with interrupt disabled */ | |
2046 | static struct r8a66597_device *get_r8a66597_device(struct r8a66597 *r8a66597, | |
2047 | int addr) | |
2048 | { | |
2049 | struct r8a66597_device *dev; | |
2050 | struct list_head *list = &r8a66597->child_device; | |
2051 | ||
2052 | list_for_each_entry(dev, list, device_list) { | |
5d304358 YS |
2053 | if (dev->usb_address != addr) |
2054 | continue; | |
2055 | ||
2056 | return dev; | |
2057 | } | |
2058 | ||
802f389a | 2059 | printk(KERN_ERR "r8a66597: get_r8a66597_device fail.(%d)\n", addr); |
5d304358 YS |
2060 | return NULL; |
2061 | } | |
2062 | ||
2063 | static void update_usb_address_map(struct r8a66597 *r8a66597, | |
2064 | struct usb_device *root_hub, | |
2065 | unsigned long *map) | |
2066 | { | |
2067 | int i, j, addr; | |
2068 | unsigned long diff; | |
2069 | unsigned long flags; | |
2070 | ||
2071 | for (i = 0; i < 4; i++) { | |
2072 | diff = r8a66597->child_connect_map[i] ^ map[i]; | |
2073 | if (!diff) | |
2074 | continue; | |
2075 | ||
2076 | for (j = 0; j < 32; j++) { | |
2077 | if (!(diff & (1 << j))) | |
2078 | continue; | |
2079 | ||
2080 | addr = i * 32 + j; | |
2081 | if (map[i] & (1 << j)) | |
2082 | set_child_connect_map(r8a66597, addr); | |
2083 | else { | |
2084 | struct r8a66597_device *dev; | |
2085 | ||
2086 | spin_lock_irqsave(&r8a66597->lock, flags); | |
2087 | dev = get_r8a66597_device(r8a66597, addr); | |
2088 | disable_r8a66597_pipe_all(r8a66597, dev); | |
d8359334 | 2089 | free_usb_address(r8a66597, dev, 0); |
5d304358 YS |
2090 | put_child_connect_map(r8a66597, addr); |
2091 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
2092 | } | |
2093 | } | |
2094 | } | |
2095 | } | |
2096 | ||
2097 | static void r8a66597_check_detect_child(struct r8a66597 *r8a66597, | |
2098 | struct usb_hcd *hcd) | |
2099 | { | |
2100 | struct usb_bus *bus; | |
2101 | unsigned long now_map[4]; | |
2102 | ||
2103 | memset(now_map, 0, sizeof(now_map)); | |
2104 | ||
2105 | list_for_each_entry(bus, &usb_bus_list, bus_list) { | |
2106 | if (!bus->root_hub) | |
2107 | continue; | |
2108 | ||
2109 | if (bus->busnum != hcd->self.busnum) | |
2110 | continue; | |
2111 | ||
2112 | collect_usb_address_map(bus->root_hub, now_map); | |
2113 | update_usb_address_map(r8a66597, bus->root_hub, now_map); | |
2114 | } | |
2115 | } | |
2116 | ||
2117 | static int r8a66597_hub_status_data(struct usb_hcd *hcd, char *buf) | |
2118 | { | |
2119 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
2120 | unsigned long flags; | |
2121 | int i; | |
2122 | ||
2123 | r8a66597_check_detect_child(r8a66597, hcd); | |
2124 | ||
2125 | spin_lock_irqsave(&r8a66597->lock, flags); | |
2126 | ||
2127 | *buf = 0; /* initialize (no change) */ | |
2128 | ||
719a72b7 | 2129 | for (i = 0; i < r8a66597->max_root_hub; i++) { |
5d304358 YS |
2130 | if (r8a66597->root_hub[i].port & 0xffff0000) |
2131 | *buf |= 1 << (i + 1); | |
2132 | } | |
2133 | ||
2134 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
2135 | ||
2136 | return (*buf != 0); | |
2137 | } | |
2138 | ||
2139 | static void r8a66597_hub_descriptor(struct r8a66597 *r8a66597, | |
2140 | struct usb_hub_descriptor *desc) | |
2141 | { | |
2142 | desc->bDescriptorType = 0x29; | |
2143 | desc->bHubContrCurrent = 0; | |
719a72b7 | 2144 | desc->bNbrPorts = r8a66597->max_root_hub; |
5d304358 YS |
2145 | desc->bDescLength = 9; |
2146 | desc->bPwrOn2PwrGood = 0; | |
2147 | desc->wHubCharacteristics = cpu_to_le16(0x0011); | |
dbe79bbe JY |
2148 | desc->u.hs.DeviceRemovable[0] = |
2149 | ((1 << r8a66597->max_root_hub) - 1) << 1; | |
2150 | desc->u.hs.DeviceRemovable[1] = ~0; | |
5d304358 YS |
2151 | } |
2152 | ||
2153 | static int r8a66597_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, | |
2154 | u16 wIndex, char *buf, u16 wLength) | |
2155 | { | |
2156 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
2157 | int ret; | |
2158 | int port = (wIndex & 0x00FF) - 1; | |
2159 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; | |
2160 | unsigned long flags; | |
2161 | ||
2162 | ret = 0; | |
2163 | ||
2164 | spin_lock_irqsave(&r8a66597->lock, flags); | |
2165 | switch (typeReq) { | |
2166 | case ClearHubFeature: | |
2167 | case SetHubFeature: | |
2168 | switch (wValue) { | |
2169 | case C_HUB_OVER_CURRENT: | |
2170 | case C_HUB_LOCAL_POWER: | |
2171 | break; | |
2172 | default: | |
2173 | goto error; | |
2174 | } | |
2175 | break; | |
2176 | case ClearPortFeature: | |
719a72b7 | 2177 | if (wIndex > r8a66597->max_root_hub) |
5d304358 YS |
2178 | goto error; |
2179 | if (wLength != 0) | |
2180 | goto error; | |
2181 | ||
2182 | switch (wValue) { | |
2183 | case USB_PORT_FEAT_ENABLE: | |
749da5f8 | 2184 | rh->port &= ~USB_PORT_STAT_POWER; |
5d304358 YS |
2185 | break; |
2186 | case USB_PORT_FEAT_SUSPEND: | |
2187 | break; | |
2188 | case USB_PORT_FEAT_POWER: | |
2189 | r8a66597_port_power(r8a66597, port, 0); | |
2190 | break; | |
2191 | case USB_PORT_FEAT_C_ENABLE: | |
2192 | case USB_PORT_FEAT_C_SUSPEND: | |
2193 | case USB_PORT_FEAT_C_CONNECTION: | |
2194 | case USB_PORT_FEAT_C_OVER_CURRENT: | |
2195 | case USB_PORT_FEAT_C_RESET: | |
2196 | break; | |
2197 | default: | |
2198 | goto error; | |
2199 | } | |
2200 | rh->port &= ~(1 << wValue); | |
2201 | break; | |
2202 | case GetHubDescriptor: | |
2203 | r8a66597_hub_descriptor(r8a66597, | |
2204 | (struct usb_hub_descriptor *)buf); | |
2205 | break; | |
2206 | case GetHubStatus: | |
2207 | *buf = 0x00; | |
2208 | break; | |
2209 | case GetPortStatus: | |
719a72b7 | 2210 | if (wIndex > r8a66597->max_root_hub) |
5d304358 | 2211 | goto error; |
fd05e720 | 2212 | *(__le32 *)buf = cpu_to_le32(rh->port); |
5d304358 YS |
2213 | break; |
2214 | case SetPortFeature: | |
719a72b7 | 2215 | if (wIndex > r8a66597->max_root_hub) |
5d304358 YS |
2216 | goto error; |
2217 | if (wLength != 0) | |
2218 | goto error; | |
2219 | ||
2220 | switch (wValue) { | |
2221 | case USB_PORT_FEAT_SUSPEND: | |
2222 | break; | |
2223 | case USB_PORT_FEAT_POWER: | |
2224 | r8a66597_port_power(r8a66597, port, 1); | |
749da5f8 | 2225 | rh->port |= USB_PORT_STAT_POWER; |
5d304358 YS |
2226 | break; |
2227 | case USB_PORT_FEAT_RESET: { | |
2228 | struct r8a66597_device *dev = rh->dev; | |
2229 | ||
749da5f8 | 2230 | rh->port |= USB_PORT_STAT_RESET; |
5d304358 YS |
2231 | |
2232 | disable_r8a66597_pipe_all(r8a66597, dev); | |
d8359334 | 2233 | free_usb_address(r8a66597, dev, 1); |
5d304358 YS |
2234 | |
2235 | r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, | |
2236 | get_dvstctr_reg(port)); | |
2237 | mod_timer(&r8a66597->rh_timer, | |
2238 | jiffies + msecs_to_jiffies(50)); | |
2239 | } | |
2240 | break; | |
2241 | default: | |
2242 | goto error; | |
2243 | } | |
2244 | rh->port |= 1 << wValue; | |
2245 | break; | |
2246 | default: | |
2247 | error: | |
2248 | ret = -EPIPE; | |
2249 | break; | |
2250 | } | |
2251 | ||
2252 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
2253 | return ret; | |
2254 | } | |
2255 | ||
e1e609be YS |
2256 | #if defined(CONFIG_PM) |
2257 | static int r8a66597_bus_suspend(struct usb_hcd *hcd) | |
2258 | { | |
2259 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
2260 | int port; | |
2261 | ||
167e4925 | 2262 | dev_dbg(&r8a66597->device0.udev->dev, "%s\n", __func__); |
e1e609be | 2263 | |
719a72b7 | 2264 | for (port = 0; port < r8a66597->max_root_hub; port++) { |
e1e609be YS |
2265 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; |
2266 | unsigned long dvstctr_reg = get_dvstctr_reg(port); | |
2267 | ||
749da5f8 | 2268 | if (!(rh->port & USB_PORT_STAT_ENABLE)) |
e1e609be YS |
2269 | continue; |
2270 | ||
167e4925 | 2271 | dev_dbg(&rh->dev->udev->dev, "suspend port = %d\n", port); |
e1e609be | 2272 | r8a66597_bclr(r8a66597, UACT, dvstctr_reg); /* suspend */ |
749da5f8 | 2273 | rh->port |= USB_PORT_STAT_SUSPEND; |
e1e609be YS |
2274 | |
2275 | if (rh->dev->udev->do_remote_wakeup) { | |
2276 | msleep(3); /* waiting last SOF */ | |
2277 | r8a66597_bset(r8a66597, RWUPE, dvstctr_reg); | |
2278 | r8a66597_write(r8a66597, ~BCHG, get_intsts_reg(port)); | |
2279 | r8a66597_bset(r8a66597, BCHGE, get_intenb_reg(port)); | |
2280 | } | |
2281 | } | |
2282 | ||
2283 | r8a66597->bus_suspended = 1; | |
2284 | ||
2285 | return 0; | |
2286 | } | |
2287 | ||
2288 | static int r8a66597_bus_resume(struct usb_hcd *hcd) | |
2289 | { | |
2290 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
2291 | int port; | |
2292 | ||
167e4925 | 2293 | dev_dbg(&r8a66597->device0.udev->dev, "%s\n", __func__); |
e1e609be | 2294 | |
719a72b7 | 2295 | for (port = 0; port < r8a66597->max_root_hub; port++) { |
e1e609be YS |
2296 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; |
2297 | unsigned long dvstctr_reg = get_dvstctr_reg(port); | |
2298 | ||
749da5f8 | 2299 | if (!(rh->port & USB_PORT_STAT_SUSPEND)) |
e1e609be YS |
2300 | continue; |
2301 | ||
167e4925 | 2302 | dev_dbg(&rh->dev->udev->dev, "resume port = %d\n", port); |
749da5f8 | 2303 | rh->port &= ~USB_PORT_STAT_SUSPEND; |
35da4137 | 2304 | rh->port |= USB_PORT_STAT_C_SUSPEND << 16; |
e1e609be YS |
2305 | r8a66597_mdfy(r8a66597, RESUME, RESUME | UACT, dvstctr_reg); |
2306 | msleep(50); | |
2307 | r8a66597_mdfy(r8a66597, UACT, RESUME | UACT, dvstctr_reg); | |
2308 | } | |
2309 | ||
2310 | return 0; | |
2311 | ||
2312 | } | |
2313 | #else | |
2314 | #define r8a66597_bus_suspend NULL | |
2315 | #define r8a66597_bus_resume NULL | |
2316 | #endif | |
2317 | ||
5d304358 YS |
2318 | static struct hc_driver r8a66597_hc_driver = { |
2319 | .description = hcd_name, | |
2320 | .hcd_priv_size = sizeof(struct r8a66597), | |
2321 | .irq = r8a66597_irq, | |
2322 | ||
2323 | /* | |
2324 | * generic hardware linkage | |
2325 | */ | |
2326 | .flags = HCD_USB2, | |
2327 | ||
2328 | .start = r8a66597_start, | |
2329 | .stop = r8a66597_stop, | |
2330 | ||
2331 | /* | |
2332 | * managing i/o requests and associated device resources | |
2333 | */ | |
2334 | .urb_enqueue = r8a66597_urb_enqueue, | |
2335 | .urb_dequeue = r8a66597_urb_dequeue, | |
2336 | .endpoint_disable = r8a66597_endpoint_disable, | |
2337 | ||
2338 | /* | |
2339 | * periodic schedule support | |
2340 | */ | |
2341 | .get_frame_number = r8a66597_get_frame, | |
2342 | ||
2343 | /* | |
2344 | * root hub support | |
2345 | */ | |
2346 | .hub_status_data = r8a66597_hub_status_data, | |
2347 | .hub_control = r8a66597_hub_control, | |
e1e609be YS |
2348 | .bus_suspend = r8a66597_bus_suspend, |
2349 | .bus_resume = r8a66597_bus_resume, | |
5d304358 YS |
2350 | }; |
2351 | ||
2352 | #if defined(CONFIG_PM) | |
ae1cef6e | 2353 | static int r8a66597_suspend(struct device *dev) |
5d304358 | 2354 | { |
ae1cef6e | 2355 | struct r8a66597 *r8a66597 = dev_get_drvdata(dev); |
e1e609be YS |
2356 | int port; |
2357 | ||
167e4925 | 2358 | dev_dbg(dev, "%s\n", __func__); |
e1e609be YS |
2359 | |
2360 | disable_controller(r8a66597); | |
2361 | ||
719a72b7 | 2362 | for (port = 0; port < r8a66597->max_root_hub; port++) { |
e1e609be YS |
2363 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; |
2364 | ||
2365 | rh->port = 0x00000000; | |
2366 | } | |
2367 | ||
5d304358 YS |
2368 | return 0; |
2369 | } | |
2370 | ||
ae1cef6e | 2371 | static int r8a66597_resume(struct device *dev) |
5d304358 | 2372 | { |
ae1cef6e | 2373 | struct r8a66597 *r8a66597 = dev_get_drvdata(dev); |
e1e609be YS |
2374 | struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597); |
2375 | ||
167e4925 | 2376 | dev_dbg(dev, "%s\n", __func__); |
e1e609be YS |
2377 | |
2378 | enable_controller(r8a66597); | |
2379 | usb_root_hub_lost_power(hcd->self.root_hub); | |
2380 | ||
5d304358 YS |
2381 | return 0; |
2382 | } | |
ae1cef6e | 2383 | |
47145210 | 2384 | static const struct dev_pm_ops r8a66597_dev_pm_ops = { |
ae1cef6e MD |
2385 | .suspend = r8a66597_suspend, |
2386 | .resume = r8a66597_resume, | |
3725f28b YS |
2387 | .poweroff = r8a66597_suspend, |
2388 | .restore = r8a66597_resume, | |
ae1cef6e MD |
2389 | }; |
2390 | ||
2391 | #define R8A66597_DEV_PM_OPS (&r8a66597_dev_pm_ops) | |
5d304358 | 2392 | #else /* if defined(CONFIG_PM) */ |
ae1cef6e | 2393 | #define R8A66597_DEV_PM_OPS NULL |
5d304358 YS |
2394 | #endif |
2395 | ||
0238a0d8 | 2396 | static int __devexit r8a66597_remove(struct platform_device *pdev) |
5d304358 YS |
2397 | { |
2398 | struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev); | |
2399 | struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597); | |
2400 | ||
2401 | del_timer_sync(&r8a66597->rh_timer); | |
5d304358 | 2402 | usb_remove_hcd(hcd); |
1c98347e | 2403 | iounmap(r8a66597->reg); |
719a72b7 MD |
2404 | if (r8a66597->pdata->on_chip) |
2405 | clk_put(r8a66597->clk); | |
5d304358 YS |
2406 | usb_put_hcd(hcd); |
2407 | return 0; | |
2408 | } | |
2409 | ||
8864bd86 | 2410 | static int __devinit r8a66597_probe(struct platform_device *pdev) |
5d304358 | 2411 | { |
765786e0 | 2412 | char clk_name[8]; |
27140219 | 2413 | struct resource *res = NULL, *ires; |
5d304358 YS |
2414 | int irq = -1; |
2415 | void __iomem *reg = NULL; | |
2416 | struct usb_hcd *hcd = NULL; | |
2417 | struct r8a66597 *r8a66597; | |
2418 | int ret = 0; | |
2419 | int i; | |
0bf32b80 | 2420 | unsigned long irq_trigger; |
5d304358 | 2421 | |
42791480 TK |
2422 | if (usb_disabled()) |
2423 | return -ENODEV; | |
2424 | ||
5d304358 YS |
2425 | if (pdev->dev.dma_mask) { |
2426 | ret = -EINVAL; | |
802f389a | 2427 | dev_err(&pdev->dev, "dma not supported\n"); |
5d304358 YS |
2428 | goto clean_up; |
2429 | } | |
2430 | ||
0a2e5b9b | 2431 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
5d304358 YS |
2432 | if (!res) { |
2433 | ret = -ENODEV; | |
0a2e5b9b | 2434 | dev_err(&pdev->dev, "platform_get_resource error.\n"); |
5d304358 YS |
2435 | goto clean_up; |
2436 | } | |
2437 | ||
27140219 MZ |
2438 | ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
2439 | if (!ires) { | |
5d304358 | 2440 | ret = -ENODEV; |
802f389a GKH |
2441 | dev_err(&pdev->dev, |
2442 | "platform_get_resource IORESOURCE_IRQ error.\n"); | |
5d304358 YS |
2443 | goto clean_up; |
2444 | } | |
2445 | ||
27140219 MZ |
2446 | irq = ires->start; |
2447 | irq_trigger = ires->flags & IRQF_TRIGGER_MASK; | |
2448 | ||
0a2e5b9b | 2449 | reg = ioremap(res->start, resource_size(res)); |
5d304358 YS |
2450 | if (reg == NULL) { |
2451 | ret = -ENOMEM; | |
802f389a | 2452 | dev_err(&pdev->dev, "ioremap error.\n"); |
5d304358 YS |
2453 | goto clean_up; |
2454 | } | |
2455 | ||
5effabbe YS |
2456 | if (pdev->dev.platform_data == NULL) { |
2457 | dev_err(&pdev->dev, "no platform data\n"); | |
2458 | ret = -ENODEV; | |
2459 | goto clean_up; | |
2460 | } | |
2461 | ||
5d304358 YS |
2462 | /* initialize hcd */ |
2463 | hcd = usb_create_hcd(&r8a66597_hc_driver, &pdev->dev, (char *)hcd_name); | |
2464 | if (!hcd) { | |
2465 | ret = -ENOMEM; | |
802f389a | 2466 | dev_err(&pdev->dev, "Failed to create hcd\n"); |
5d304358 YS |
2467 | goto clean_up; |
2468 | } | |
2469 | r8a66597 = hcd_to_r8a66597(hcd); | |
2470 | memset(r8a66597, 0, sizeof(struct r8a66597)); | |
2471 | dev_set_drvdata(&pdev->dev, r8a66597); | |
5effabbe YS |
2472 | r8a66597->pdata = pdev->dev.platform_data; |
2473 | r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW; | |
5d304358 | 2474 | |
719a72b7 | 2475 | if (r8a66597->pdata->on_chip) { |
719a72b7 MD |
2476 | snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id); |
2477 | r8a66597->clk = clk_get(&pdev->dev, clk_name); | |
2478 | if (IS_ERR(r8a66597->clk)) { | |
2479 | dev_err(&pdev->dev, "cannot get clock \"%s\"\n", | |
2480 | clk_name); | |
2481 | ret = PTR_ERR(r8a66597->clk); | |
2482 | goto clean_up2; | |
2483 | } | |
719a72b7 MD |
2484 | r8a66597->max_root_hub = 1; |
2485 | } else | |
2486 | r8a66597->max_root_hub = 2; | |
765786e0 | 2487 | |
5d304358 YS |
2488 | spin_lock_init(&r8a66597->lock); |
2489 | init_timer(&r8a66597->rh_timer); | |
2490 | r8a66597->rh_timer.function = r8a66597_timer; | |
2491 | r8a66597->rh_timer.data = (unsigned long)r8a66597; | |
1c98347e | 2492 | r8a66597->reg = reg; |
5d304358 | 2493 | |
e5ff15be MD |
2494 | /* make sure no interrupts are pending */ |
2495 | ret = r8a66597_clock_enable(r8a66597); | |
2496 | if (ret < 0) | |
2497 | goto clean_up3; | |
2498 | disable_controller(r8a66597); | |
2499 | ||
5d304358 YS |
2500 | for (i = 0; i < R8A66597_MAX_NUM_PIPE; i++) { |
2501 | INIT_LIST_HEAD(&r8a66597->pipe_queue[i]); | |
2502 | init_timer(&r8a66597->td_timer[i]); | |
2503 | r8a66597->td_timer[i].function = r8a66597_td_timer; | |
2504 | r8a66597->td_timer[i].data = (unsigned long)r8a66597; | |
6d879107 YS |
2505 | setup_timer(&r8a66597->interval_timer[i], |
2506 | r8a66597_interval_timer, | |
2507 | (unsigned long)r8a66597); | |
5d304358 YS |
2508 | } |
2509 | INIT_LIST_HEAD(&r8a66597->child_device); | |
2510 | ||
2511 | hcd->rsrc_start = res->start; | |
87abd0a9 | 2512 | hcd->has_tt = 1; |
27140219 | 2513 | |
b5dd18d8 | 2514 | ret = usb_add_hcd(hcd, irq, irq_trigger); |
5d304358 | 2515 | if (ret != 0) { |
802f389a | 2516 | dev_err(&pdev->dev, "Failed to add hcd\n"); |
765786e0 | 2517 | goto clean_up3; |
5d304358 YS |
2518 | } |
2519 | ||
2520 | return 0; | |
2521 | ||
765786e0 | 2522 | clean_up3: |
719a72b7 MD |
2523 | if (r8a66597->pdata->on_chip) |
2524 | clk_put(r8a66597->clk); | |
765786e0 MD |
2525 | clean_up2: |
2526 | usb_put_hcd(hcd); | |
2527 | ||
5d304358 YS |
2528 | clean_up: |
2529 | if (reg) | |
2530 | iounmap(reg); | |
5d304358 YS |
2531 | |
2532 | return ret; | |
2533 | } | |
2534 | ||
2535 | static struct platform_driver r8a66597_driver = { | |
2536 | .probe = r8a66597_probe, | |
0238a0d8 | 2537 | .remove = __devexit_p(r8a66597_remove), |
5d304358 YS |
2538 | .driver = { |
2539 | .name = (char *) hcd_name, | |
f4fce61d | 2540 | .owner = THIS_MODULE, |
ae1cef6e | 2541 | .pm = R8A66597_DEV_PM_OPS, |
5d304358 YS |
2542 | }, |
2543 | }; | |
2544 | ||
42791480 | 2545 | module_platform_driver(r8a66597_driver); |