Commit | Line | Data |
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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 | * | |
9 | * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> | |
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> | |
36 | #include <linux/platform_device.h> | |
e294531d YS |
37 | #include <linux/io.h> |
38 | #include <linux/irq.h> | |
5d304358 YS |
39 | |
40 | #include "../core/hcd.h" | |
41 | #include "r8a66597.h" | |
42 | ||
43 | MODULE_DESCRIPTION("R8A66597 USB Host Controller Driver"); | |
44 | MODULE_LICENSE("GPL"); | |
45 | MODULE_AUTHOR("Yoshihiro Shimoda"); | |
f4fce61d | 46 | MODULE_ALIAS("platform:r8a66597_hcd"); |
5d304358 | 47 | |
5effabbe | 48 | #define DRIVER_VERSION "2009-05-26" |
5d304358 YS |
49 | |
50 | static const char hcd_name[] = "r8a66597_hcd"; | |
51 | ||
5d304358 YS |
52 | static void packet_write(struct r8a66597 *r8a66597, u16 pipenum); |
53 | static int r8a66597_get_frame(struct usb_hcd *hcd); | |
54 | ||
55 | /* this function must be called with interrupt disabled */ | |
56 | static void enable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum, | |
57 | unsigned long reg) | |
58 | { | |
59 | u16 tmp; | |
60 | ||
61 | tmp = r8a66597_read(r8a66597, INTENB0); | |
62 | r8a66597_bclr(r8a66597, BEMPE | NRDYE | BRDYE, INTENB0); | |
63 | r8a66597_bset(r8a66597, 1 << pipenum, reg); | |
64 | r8a66597_write(r8a66597, tmp, INTENB0); | |
65 | } | |
66 | ||
67 | /* this function must be called with interrupt disabled */ | |
68 | static void disable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum, | |
69 | unsigned long reg) | |
70 | { | |
71 | u16 tmp; | |
72 | ||
73 | tmp = r8a66597_read(r8a66597, INTENB0); | |
74 | r8a66597_bclr(r8a66597, BEMPE | NRDYE | BRDYE, INTENB0); | |
75 | r8a66597_bclr(r8a66597, 1 << pipenum, reg); | |
76 | r8a66597_write(r8a66597, tmp, INTENB0); | |
77 | } | |
78 | ||
79 | static void set_devadd_reg(struct r8a66597 *r8a66597, u8 r8a66597_address, | |
80 | u16 usbspd, u8 upphub, u8 hubport, int port) | |
81 | { | |
82 | u16 val; | |
83 | unsigned long devadd_reg = get_devadd_addr(r8a66597_address); | |
84 | ||
85 | val = (upphub << 11) | (hubport << 8) | (usbspd << 6) | (port & 0x0001); | |
86 | r8a66597_write(r8a66597, val, devadd_reg); | |
87 | } | |
88 | ||
9424ea29 | 89 | static int r8a66597_clock_enable(struct r8a66597 *r8a66597) |
5d304358 YS |
90 | { |
91 | u16 tmp; | |
92 | int i = 0; | |
93 | ||
719a72b7 MD |
94 | if (r8a66597->pdata->on_chip) { |
95 | #ifdef CONFIG_HAVE_CLK | |
96 | clk_enable(r8a66597->clk); | |
765786e0 | 97 | #endif |
719a72b7 MD |
98 | do { |
99 | r8a66597_write(r8a66597, SCKE, SYSCFG0); | |
100 | tmp = r8a66597_read(r8a66597, SYSCFG0); | |
101 | if (i++ > 1000) { | |
102 | printk(KERN_ERR "r8a66597: reg access fail.\n"); | |
103 | return -ENXIO; | |
104 | } | |
105 | } while ((tmp & SCKE) != SCKE); | |
106 | r8a66597_write(r8a66597, 0x04, 0x02); | |
107 | } else { | |
108 | do { | |
109 | r8a66597_write(r8a66597, USBE, SYSCFG0); | |
110 | tmp = r8a66597_read(r8a66597, SYSCFG0); | |
111 | if (i++ > 1000) { | |
112 | printk(KERN_ERR "r8a66597: reg access fail.\n"); | |
113 | return -ENXIO; | |
114 | } | |
115 | } while ((tmp & USBE) != USBE); | |
116 | r8a66597_bclr(r8a66597, USBE, SYSCFG0); | |
117 | r8a66597_mdfy(r8a66597, get_xtal_from_pdata(r8a66597->pdata), | |
118 | XTAL, SYSCFG0); | |
5d304358 | 119 | |
719a72b7 MD |
120 | i = 0; |
121 | r8a66597_bset(r8a66597, XCKE, SYSCFG0); | |
122 | do { | |
123 | msleep(1); | |
124 | tmp = r8a66597_read(r8a66597, SYSCFG0); | |
125 | if (i++ > 500) { | |
126 | printk(KERN_ERR "r8a66597: reg access fail.\n"); | |
127 | return -ENXIO; | |
128 | } | |
129 | } while ((tmp & SCKE) != SCKE); | |
130 | } | |
9424ea29 YS |
131 | |
132 | return 0; | |
133 | } | |
134 | ||
135 | static void r8a66597_clock_disable(struct r8a66597 *r8a66597) | |
136 | { | |
137 | r8a66597_bclr(r8a66597, SCKE, SYSCFG0); | |
138 | udelay(1); | |
719a72b7 MD |
139 | |
140 | if (r8a66597->pdata->on_chip) { | |
141 | #ifdef CONFIG_HAVE_CLK | |
142 | clk_disable(r8a66597->clk); | |
9424ea29 | 143 | #endif |
719a72b7 MD |
144 | } else { |
145 | r8a66597_bclr(r8a66597, PLLC, SYSCFG0); | |
146 | r8a66597_bclr(r8a66597, XCKE, SYSCFG0); | |
147 | r8a66597_bclr(r8a66597, USBE, SYSCFG0); | |
148 | } | |
9424ea29 YS |
149 | } |
150 | ||
151 | static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port) | |
152 | { | |
153 | u16 val; | |
154 | ||
155 | val = port ? DRPD : DCFM | DRPD; | |
156 | r8a66597_bset(r8a66597, val, get_syscfg_reg(port)); | |
157 | r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port)); | |
158 | ||
159 | r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR, get_dmacfg_reg(port)); | |
160 | r8a66597_bclr(r8a66597, DTCHE, get_intenb_reg(port)); | |
161 | r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port)); | |
162 | } | |
163 | ||
164 | static void r8a66597_disable_port(struct r8a66597 *r8a66597, int port) | |
165 | { | |
166 | u16 val, tmp; | |
167 | ||
168 | r8a66597_write(r8a66597, 0, get_intenb_reg(port)); | |
169 | r8a66597_write(r8a66597, 0, get_intsts_reg(port)); | |
5d304358 | 170 | |
9424ea29 YS |
171 | r8a66597_port_power(r8a66597, port, 0); |
172 | ||
173 | do { | |
174 | tmp = r8a66597_read(r8a66597, SOFCFG) & EDGESTS; | |
175 | udelay(640); | |
176 | } while (tmp == EDGESTS); | |
177 | ||
178 | val = port ? DRPD : DCFM | DRPD; | |
179 | r8a66597_bclr(r8a66597, val, get_syscfg_reg(port)); | |
180 | r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port)); | |
181 | } | |
182 | ||
183 | static int enable_controller(struct r8a66597 *r8a66597) | |
184 | { | |
185 | int ret, port; | |
5effabbe YS |
186 | u16 vif = r8a66597->pdata->vif ? LDRV : 0; |
187 | u16 irq_sense = r8a66597->irq_sense_low ? INTL : 0; | |
188 | u16 endian = r8a66597->pdata->endian ? BIGEND : 0; | |
9424ea29 YS |
189 | |
190 | ret = r8a66597_clock_enable(r8a66597); | |
191 | if (ret < 0) | |
192 | return ret; | |
5d304358 YS |
193 | |
194 | r8a66597_bset(r8a66597, vif & LDRV, PINCFG); | |
5d304358 YS |
195 | r8a66597_bset(r8a66597, USBE, SYSCFG0); |
196 | ||
197 | r8a66597_bset(r8a66597, BEMPE | NRDYE | BRDYE, INTENB0); | |
198 | r8a66597_bset(r8a66597, irq_sense & INTL, SOFCFG); | |
199 | r8a66597_bset(r8a66597, BRDY0, BRDYENB); | |
200 | r8a66597_bset(r8a66597, BEMP0, BEMPENB); | |
201 | ||
5d304358 YS |
202 | r8a66597_bset(r8a66597, endian & BIGEND, CFIFOSEL); |
203 | r8a66597_bset(r8a66597, endian & BIGEND, D0FIFOSEL); | |
204 | r8a66597_bset(r8a66597, endian & BIGEND, D1FIFOSEL); | |
5d304358 YS |
205 | r8a66597_bset(r8a66597, TRNENSEL, SOFCFG); |
206 | ||
207 | r8a66597_bset(r8a66597, SIGNE | SACKE, INTENB1); | |
9424ea29 | 208 | |
719a72b7 | 209 | for (port = 0; port < r8a66597->max_root_hub; port++) |
9424ea29 | 210 | r8a66597_enable_port(r8a66597, port); |
5d304358 YS |
211 | |
212 | return 0; | |
213 | } | |
214 | ||
215 | static void disable_controller(struct r8a66597 *r8a66597) | |
216 | { | |
9424ea29 | 217 | int port; |
5d304358 | 218 | |
e5ff15be | 219 | /* disable interrupts */ |
5d304358 | 220 | r8a66597_write(r8a66597, 0, INTENB0); |
e5ff15be MD |
221 | r8a66597_write(r8a66597, 0, INTENB1); |
222 | r8a66597_write(r8a66597, 0, BRDYENB); | |
223 | r8a66597_write(r8a66597, 0, BEMPENB); | |
224 | r8a66597_write(r8a66597, 0, NRDYENB); | |
225 | ||
226 | /* clear status */ | |
227 | r8a66597_write(r8a66597, 0, BRDYSTS); | |
228 | r8a66597_write(r8a66597, 0, NRDYSTS); | |
229 | r8a66597_write(r8a66597, 0, BEMPSTS); | |
5d304358 | 230 | |
719a72b7 | 231 | for (port = 0; port < r8a66597->max_root_hub; port++) |
9424ea29 | 232 | r8a66597_disable_port(r8a66597, port); |
5d304358 | 233 | |
9424ea29 | 234 | r8a66597_clock_disable(r8a66597); |
5d304358 YS |
235 | } |
236 | ||
237 | static int get_parent_r8a66597_address(struct r8a66597 *r8a66597, | |
238 | struct usb_device *udev) | |
239 | { | |
240 | struct r8a66597_device *dev; | |
241 | ||
242 | if (udev->parent && udev->parent->devnum != 1) | |
243 | udev = udev->parent; | |
244 | ||
245 | dev = dev_get_drvdata(&udev->dev); | |
246 | if (dev) | |
247 | return dev->address; | |
248 | else | |
249 | return 0; | |
250 | } | |
251 | ||
252 | static int is_child_device(char *devpath) | |
253 | { | |
254 | return (devpath[2] ? 1 : 0); | |
255 | } | |
256 | ||
257 | static int is_hub_limit(char *devpath) | |
258 | { | |
259 | return ((strlen(devpath) >= 4) ? 1 : 0); | |
260 | } | |
261 | ||
719a72b7 MD |
262 | static void get_port_number(struct r8a66597 *r8a66597, |
263 | char *devpath, u16 *root_port, u16 *hub_port) | |
5d304358 YS |
264 | { |
265 | if (root_port) { | |
266 | *root_port = (devpath[0] & 0x0F) - 1; | |
719a72b7 | 267 | if (*root_port >= r8a66597->max_root_hub) |
802f389a | 268 | printk(KERN_ERR "r8a66597: Illegal root port number.\n"); |
5d304358 YS |
269 | } |
270 | if (hub_port) | |
271 | *hub_port = devpath[2] & 0x0F; | |
272 | } | |
273 | ||
274 | static u16 get_r8a66597_usb_speed(enum usb_device_speed speed) | |
275 | { | |
276 | u16 usbspd = 0; | |
277 | ||
278 | switch (speed) { | |
279 | case USB_SPEED_LOW: | |
280 | usbspd = LSMODE; | |
281 | break; | |
282 | case USB_SPEED_FULL: | |
283 | usbspd = FSMODE; | |
284 | break; | |
285 | case USB_SPEED_HIGH: | |
286 | usbspd = HSMODE; | |
287 | break; | |
288 | default: | |
802f389a | 289 | printk(KERN_ERR "r8a66597: unknown speed\n"); |
5d304358 YS |
290 | break; |
291 | } | |
292 | ||
293 | return usbspd; | |
294 | } | |
295 | ||
296 | static void set_child_connect_map(struct r8a66597 *r8a66597, int address) | |
297 | { | |
298 | int idx; | |
299 | ||
300 | idx = address / 32; | |
301 | r8a66597->child_connect_map[idx] |= 1 << (address % 32); | |
302 | } | |
303 | ||
304 | static void put_child_connect_map(struct r8a66597 *r8a66597, int address) | |
305 | { | |
306 | int idx; | |
307 | ||
308 | idx = address / 32; | |
309 | r8a66597->child_connect_map[idx] &= ~(1 << (address % 32)); | |
310 | } | |
311 | ||
312 | static void set_pipe_reg_addr(struct r8a66597_pipe *pipe, u8 dma_ch) | |
313 | { | |
314 | u16 pipenum = pipe->info.pipenum; | |
fe9b9034 ML |
315 | const unsigned long fifoaddr[] = {D0FIFO, D1FIFO, CFIFO}; |
316 | const unsigned long fifosel[] = {D0FIFOSEL, D1FIFOSEL, CFIFOSEL}; | |
317 | const unsigned long fifoctr[] = {D0FIFOCTR, D1FIFOCTR, CFIFOCTR}; | |
5d304358 YS |
318 | |
319 | if (dma_ch > R8A66597_PIPE_NO_DMA) /* dma fifo not use? */ | |
320 | dma_ch = R8A66597_PIPE_NO_DMA; | |
321 | ||
322 | pipe->fifoaddr = fifoaddr[dma_ch]; | |
323 | pipe->fifosel = fifosel[dma_ch]; | |
324 | pipe->fifoctr = fifoctr[dma_ch]; | |
325 | ||
326 | if (pipenum == 0) | |
327 | pipe->pipectr = DCPCTR; | |
328 | else | |
329 | pipe->pipectr = get_pipectr_addr(pipenum); | |
330 | ||
331 | if (check_bulk_or_isoc(pipenum)) { | |
332 | pipe->pipetre = get_pipetre_addr(pipenum); | |
333 | pipe->pipetrn = get_pipetrn_addr(pipenum); | |
334 | } else { | |
335 | pipe->pipetre = 0; | |
336 | pipe->pipetrn = 0; | |
337 | } | |
338 | } | |
339 | ||
340 | static struct r8a66597_device * | |
341 | get_urb_to_r8a66597_dev(struct r8a66597 *r8a66597, struct urb *urb) | |
342 | { | |
343 | if (usb_pipedevice(urb->pipe) == 0) | |
344 | return &r8a66597->device0; | |
345 | ||
346 | return dev_get_drvdata(&urb->dev->dev); | |
347 | } | |
348 | ||
349 | static int make_r8a66597_device(struct r8a66597 *r8a66597, | |
350 | struct urb *urb, u8 addr) | |
351 | { | |
352 | struct r8a66597_device *dev; | |
353 | int usb_address = urb->setup_packet[2]; /* urb->pipe is address 0 */ | |
354 | ||
e294531d | 355 | dev = kzalloc(sizeof(struct r8a66597_device), GFP_ATOMIC); |
5d304358 YS |
356 | if (dev == NULL) |
357 | return -ENOMEM; | |
358 | ||
359 | dev_set_drvdata(&urb->dev->dev, dev); | |
360 | dev->udev = urb->dev; | |
361 | dev->address = addr; | |
362 | dev->usb_address = usb_address; | |
363 | dev->state = USB_STATE_ADDRESS; | |
364 | dev->ep_in_toggle = 0; | |
365 | dev->ep_out_toggle = 0; | |
366 | INIT_LIST_HEAD(&dev->device_list); | |
367 | list_add_tail(&dev->device_list, &r8a66597->child_device); | |
368 | ||
719a72b7 MD |
369 | get_port_number(r8a66597, urb->dev->devpath, |
370 | &dev->root_port, &dev->hub_port); | |
5d304358 YS |
371 | if (!is_child_device(urb->dev->devpath)) |
372 | r8a66597->root_hub[dev->root_port].dev = dev; | |
373 | ||
374 | set_devadd_reg(r8a66597, dev->address, | |
375 | get_r8a66597_usb_speed(urb->dev->speed), | |
376 | get_parent_r8a66597_address(r8a66597, urb->dev), | |
377 | dev->hub_port, dev->root_port); | |
378 | ||
379 | return 0; | |
380 | } | |
381 | ||
382 | /* this function must be called with interrupt disabled */ | |
383 | static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb) | |
384 | { | |
385 | u8 addr; /* R8A66597's address */ | |
386 | struct r8a66597_device *dev; | |
387 | ||
388 | if (is_hub_limit(urb->dev->devpath)) { | |
802f389a | 389 | dev_err(&urb->dev->dev, "External hub limit reached.\n"); |
5d304358 YS |
390 | return 0; |
391 | } | |
392 | ||
393 | dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
394 | if (dev && dev->state >= USB_STATE_ADDRESS) | |
395 | return dev->address; | |
396 | ||
397 | for (addr = 1; addr <= R8A66597_MAX_DEVICE; addr++) { | |
398 | if (r8a66597->address_map & (1 << addr)) | |
399 | continue; | |
400 | ||
401 | dbg("alloc_address: r8a66597_addr=%d", addr); | |
402 | r8a66597->address_map |= 1 << addr; | |
403 | ||
404 | if (make_r8a66597_device(r8a66597, urb, addr) < 0) | |
405 | return 0; | |
406 | ||
407 | return addr; | |
408 | } | |
409 | ||
802f389a GKH |
410 | dev_err(&urb->dev->dev, |
411 | "cannot communicate with a USB device more than 10.(%x)\n", | |
412 | r8a66597->address_map); | |
5d304358 YS |
413 | |
414 | return 0; | |
415 | } | |
416 | ||
417 | /* this function must be called with interrupt disabled */ | |
418 | static void free_usb_address(struct r8a66597 *r8a66597, | |
419 | struct r8a66597_device *dev) | |
420 | { | |
421 | int port; | |
422 | ||
423 | if (!dev) | |
424 | return; | |
425 | ||
426 | dbg("free_addr: addr=%d", dev->address); | |
427 | ||
428 | dev->state = USB_STATE_DEFAULT; | |
429 | r8a66597->address_map &= ~(1 << dev->address); | |
430 | dev->address = 0; | |
431 | dev_set_drvdata(&dev->udev->dev, NULL); | |
432 | list_del(&dev->device_list); | |
433 | kfree(dev); | |
434 | ||
719a72b7 | 435 | for (port = 0; port < r8a66597->max_root_hub; port++) { |
5d304358 YS |
436 | if (r8a66597->root_hub[port].dev == dev) { |
437 | r8a66597->root_hub[port].dev = NULL; | |
438 | break; | |
439 | } | |
440 | } | |
441 | } | |
442 | ||
443 | static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg, | |
444 | u16 mask, u16 loop) | |
445 | { | |
446 | u16 tmp; | |
447 | int i = 0; | |
448 | ||
449 | do { | |
450 | tmp = r8a66597_read(r8a66597, reg); | |
451 | if (i++ > 1000000) { | |
802f389a GKH |
452 | printk(KERN_ERR "r8a66597: register%lx, loop %x " |
453 | "is timeout\n", reg, loop); | |
5d304358 YS |
454 | break; |
455 | } | |
456 | ndelay(1); | |
457 | } while ((tmp & mask) != loop); | |
458 | } | |
459 | ||
460 | /* this function must be called with interrupt disabled */ | |
461 | static void pipe_start(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe) | |
462 | { | |
463 | u16 tmp; | |
464 | ||
465 | tmp = r8a66597_read(r8a66597, pipe->pipectr) & PID; | |
466 | if ((pipe->info.pipenum != 0) & ((tmp & PID_STALL) != 0)) /* stall? */ | |
467 | r8a66597_mdfy(r8a66597, PID_NAK, PID, pipe->pipectr); | |
468 | r8a66597_mdfy(r8a66597, PID_BUF, PID, pipe->pipectr); | |
469 | } | |
470 | ||
471 | /* this function must be called with interrupt disabled */ | |
472 | static void pipe_stop(struct r8a66597 *r8a66597, struct r8a66597_pipe *pipe) | |
473 | { | |
474 | u16 tmp; | |
475 | ||
476 | tmp = r8a66597_read(r8a66597, pipe->pipectr) & PID; | |
477 | if ((tmp & PID_STALL11) != PID_STALL11) /* force stall? */ | |
478 | r8a66597_mdfy(r8a66597, PID_STALL, PID, pipe->pipectr); | |
479 | r8a66597_mdfy(r8a66597, PID_NAK, PID, pipe->pipectr); | |
480 | r8a66597_reg_wait(r8a66597, pipe->pipectr, PBUSY, 0); | |
481 | } | |
482 | ||
483 | /* this function must be called with interrupt disabled */ | |
484 | static void clear_all_buffer(struct r8a66597 *r8a66597, | |
485 | struct r8a66597_pipe *pipe) | |
486 | { | |
487 | u16 tmp; | |
488 | ||
489 | if (!pipe || pipe->info.pipenum == 0) | |
490 | return; | |
491 | ||
492 | pipe_stop(r8a66597, pipe); | |
493 | r8a66597_bset(r8a66597, ACLRM, pipe->pipectr); | |
494 | tmp = r8a66597_read(r8a66597, pipe->pipectr); | |
495 | tmp = r8a66597_read(r8a66597, pipe->pipectr); | |
496 | tmp = r8a66597_read(r8a66597, pipe->pipectr); | |
497 | r8a66597_bclr(r8a66597, ACLRM, pipe->pipectr); | |
498 | } | |
499 | ||
500 | /* this function must be called with interrupt disabled */ | |
501 | static void r8a66597_pipe_toggle(struct r8a66597 *r8a66597, | |
502 | struct r8a66597_pipe *pipe, int toggle) | |
503 | { | |
504 | if (toggle) | |
505 | r8a66597_bset(r8a66597, SQSET, pipe->pipectr); | |
506 | else | |
507 | r8a66597_bset(r8a66597, SQCLR, pipe->pipectr); | |
508 | } | |
509 | ||
719a72b7 MD |
510 | static inline unsigned short mbw_value(struct r8a66597 *r8a66597) |
511 | { | |
512 | if (r8a66597->pdata->on_chip) | |
513 | return MBW_32; | |
514 | else | |
515 | return MBW_16; | |
516 | } | |
517 | ||
5d304358 YS |
518 | /* this function must be called with interrupt disabled */ |
519 | static inline void cfifo_change(struct r8a66597 *r8a66597, u16 pipenum) | |
520 | { | |
719a72b7 MD |
521 | unsigned short mbw = mbw_value(r8a66597); |
522 | ||
523 | r8a66597_mdfy(r8a66597, mbw | pipenum, mbw | CURPIPE, CFIFOSEL); | |
5d304358 YS |
524 | r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum); |
525 | } | |
526 | ||
527 | /* this function must be called with interrupt disabled */ | |
528 | static inline void fifo_change_from_pipe(struct r8a66597 *r8a66597, | |
529 | struct r8a66597_pipe *pipe) | |
530 | { | |
719a72b7 MD |
531 | unsigned short mbw = mbw_value(r8a66597); |
532 | ||
5d304358 | 533 | cfifo_change(r8a66597, 0); |
719a72b7 MD |
534 | r8a66597_mdfy(r8a66597, mbw | 0, mbw | CURPIPE, D0FIFOSEL); |
535 | r8a66597_mdfy(r8a66597, mbw | 0, mbw | CURPIPE, D1FIFOSEL); | |
5d304358 | 536 | |
719a72b7 | 537 | r8a66597_mdfy(r8a66597, mbw | pipe->info.pipenum, mbw | CURPIPE, |
5d304358 YS |
538 | pipe->fifosel); |
539 | r8a66597_reg_wait(r8a66597, pipe->fifosel, CURPIPE, pipe->info.pipenum); | |
540 | } | |
541 | ||
542 | static u16 r8a66597_get_pipenum(struct urb *urb, struct usb_host_endpoint *hep) | |
543 | { | |
544 | struct r8a66597_pipe *pipe = hep->hcpriv; | |
545 | ||
546 | if (usb_pipeendpoint(urb->pipe) == 0) | |
547 | return 0; | |
548 | else | |
549 | return pipe->info.pipenum; | |
550 | } | |
551 | ||
552 | static u16 get_urb_to_r8a66597_addr(struct r8a66597 *r8a66597, struct urb *urb) | |
553 | { | |
554 | struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
555 | ||
556 | return (usb_pipedevice(urb->pipe) == 0) ? 0 : dev->address; | |
557 | } | |
558 | ||
559 | static unsigned short *get_toggle_pointer(struct r8a66597_device *dev, | |
560 | int urb_pipe) | |
561 | { | |
562 | if (!dev) | |
563 | return NULL; | |
564 | ||
565 | return usb_pipein(urb_pipe) ? &dev->ep_in_toggle : &dev->ep_out_toggle; | |
566 | } | |
567 | ||
568 | /* this function must be called with interrupt disabled */ | |
569 | static void pipe_toggle_set(struct r8a66597 *r8a66597, | |
570 | struct r8a66597_pipe *pipe, | |
571 | struct urb *urb, int set) | |
572 | { | |
573 | struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
574 | unsigned char endpoint = usb_pipeendpoint(urb->pipe); | |
575 | unsigned short *toggle = get_toggle_pointer(dev, urb->pipe); | |
576 | ||
577 | if (!toggle) | |
578 | return; | |
579 | ||
580 | if (set) | |
581 | *toggle |= 1 << endpoint; | |
582 | else | |
583 | *toggle &= ~(1 << endpoint); | |
584 | } | |
585 | ||
586 | /* this function must be called with interrupt disabled */ | |
587 | static void pipe_toggle_save(struct r8a66597 *r8a66597, | |
588 | struct r8a66597_pipe *pipe, | |
589 | struct urb *urb) | |
590 | { | |
591 | if (r8a66597_read(r8a66597, pipe->pipectr) & SQMON) | |
592 | pipe_toggle_set(r8a66597, pipe, urb, 1); | |
593 | else | |
594 | pipe_toggle_set(r8a66597, pipe, urb, 0); | |
595 | } | |
596 | ||
597 | /* this function must be called with interrupt disabled */ | |
598 | static void pipe_toggle_restore(struct r8a66597 *r8a66597, | |
599 | struct r8a66597_pipe *pipe, | |
600 | struct urb *urb) | |
601 | { | |
602 | struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
603 | unsigned char endpoint = usb_pipeendpoint(urb->pipe); | |
604 | unsigned short *toggle = get_toggle_pointer(dev, urb->pipe); | |
605 | ||
f6ace2c9 YS |
606 | if (!toggle) |
607 | return; | |
608 | ||
5d304358 YS |
609 | r8a66597_pipe_toggle(r8a66597, pipe, *toggle & (1 << endpoint)); |
610 | } | |
611 | ||
612 | /* this function must be called with interrupt disabled */ | |
613 | static void pipe_buffer_setting(struct r8a66597 *r8a66597, | |
614 | struct r8a66597_pipe_info *info) | |
615 | { | |
616 | u16 val = 0; | |
617 | ||
618 | if (info->pipenum == 0) | |
619 | return; | |
620 | ||
621 | r8a66597_bset(r8a66597, ACLRM, get_pipectr_addr(info->pipenum)); | |
622 | r8a66597_bclr(r8a66597, ACLRM, get_pipectr_addr(info->pipenum)); | |
623 | r8a66597_write(r8a66597, info->pipenum, PIPESEL); | |
624 | if (!info->dir_in) | |
625 | val |= R8A66597_DIR; | |
626 | if (info->type == R8A66597_BULK && info->dir_in) | |
627 | val |= R8A66597_DBLB | R8A66597_SHTNAK; | |
628 | val |= info->type | info->epnum; | |
629 | r8a66597_write(r8a66597, val, PIPECFG); | |
630 | ||
631 | r8a66597_write(r8a66597, (info->buf_bsize << 10) | (info->bufnum), | |
632 | PIPEBUF); | |
633 | r8a66597_write(r8a66597, make_devsel(info->address) | info->maxpacket, | |
634 | PIPEMAXP); | |
5d304358 YS |
635 | r8a66597_write(r8a66597, info->interval, PIPEPERI); |
636 | } | |
637 | ||
5d304358 YS |
638 | /* this function must be called with interrupt disabled */ |
639 | static void pipe_setting(struct r8a66597 *r8a66597, struct r8a66597_td *td) | |
640 | { | |
641 | struct r8a66597_pipe_info *info; | |
642 | struct urb *urb = td->urb; | |
643 | ||
644 | if (td->pipenum > 0) { | |
645 | info = &td->pipe->info; | |
646 | cfifo_change(r8a66597, 0); | |
647 | pipe_buffer_setting(r8a66597, info); | |
648 | ||
649 | if (!usb_gettoggle(urb->dev, usb_pipeendpoint(urb->pipe), | |
650 | usb_pipeout(urb->pipe)) && | |
651 | !usb_pipecontrol(urb->pipe)) { | |
652 | r8a66597_pipe_toggle(r8a66597, td->pipe, 0); | |
653 | pipe_toggle_set(r8a66597, td->pipe, urb, 0); | |
654 | clear_all_buffer(r8a66597, td->pipe); | |
655 | usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), | |
656 | usb_pipeout(urb->pipe), 1); | |
657 | } | |
658 | pipe_toggle_restore(r8a66597, td->pipe, urb); | |
659 | } | |
660 | } | |
661 | ||
662 | /* this function must be called with interrupt disabled */ | |
663 | static u16 get_empty_pipenum(struct r8a66597 *r8a66597, | |
664 | struct usb_endpoint_descriptor *ep) | |
665 | { | |
666 | u16 array[R8A66597_MAX_NUM_PIPE], i = 0, min; | |
667 | ||
668 | memset(array, 0, sizeof(array)); | |
2e0fe709 | 669 | switch (usb_endpoint_type(ep)) { |
e294531d | 670 | case USB_ENDPOINT_XFER_BULK: |
2e0fe709 | 671 | if (usb_endpoint_dir_in(ep)) |
5d304358 YS |
672 | array[i++] = 4; |
673 | else { | |
674 | array[i++] = 3; | |
675 | array[i++] = 5; | |
676 | } | |
e294531d YS |
677 | break; |
678 | case USB_ENDPOINT_XFER_INT: | |
2e0fe709 | 679 | if (usb_endpoint_dir_in(ep)) { |
5d304358 YS |
680 | array[i++] = 6; |
681 | array[i++] = 7; | |
682 | array[i++] = 8; | |
683 | } else | |
684 | array[i++] = 9; | |
e294531d YS |
685 | break; |
686 | case USB_ENDPOINT_XFER_ISOC: | |
2e0fe709 | 687 | if (usb_endpoint_dir_in(ep)) |
5d304358 YS |
688 | array[i++] = 2; |
689 | else | |
690 | array[i++] = 1; | |
e294531d YS |
691 | break; |
692 | default: | |
802f389a | 693 | printk(KERN_ERR "r8a66597: Illegal type\n"); |
e294531d YS |
694 | return 0; |
695 | } | |
5d304358 YS |
696 | |
697 | i = 1; | |
698 | min = array[0]; | |
699 | while (array[i] != 0) { | |
700 | if (r8a66597->pipe_cnt[min] > r8a66597->pipe_cnt[array[i]]) | |
701 | min = array[i]; | |
702 | i++; | |
703 | } | |
704 | ||
705 | return min; | |
706 | } | |
707 | ||
708 | static u16 get_r8a66597_type(__u8 type) | |
709 | { | |
710 | u16 r8a66597_type; | |
711 | ||
e294531d | 712 | switch (type) { |
5d304358 YS |
713 | case USB_ENDPOINT_XFER_BULK: |
714 | r8a66597_type = R8A66597_BULK; | |
715 | break; | |
716 | case USB_ENDPOINT_XFER_INT: | |
717 | r8a66597_type = R8A66597_INT; | |
718 | break; | |
719 | case USB_ENDPOINT_XFER_ISOC: | |
720 | r8a66597_type = R8A66597_ISO; | |
721 | break; | |
722 | default: | |
802f389a | 723 | printk(KERN_ERR "r8a66597: Illegal type\n"); |
5d304358 YS |
724 | r8a66597_type = 0x0000; |
725 | break; | |
726 | } | |
727 | ||
728 | return r8a66597_type; | |
729 | } | |
730 | ||
731 | static u16 get_bufnum(u16 pipenum) | |
732 | { | |
733 | u16 bufnum = 0; | |
734 | ||
735 | if (pipenum == 0) | |
736 | bufnum = 0; | |
737 | else if (check_bulk_or_isoc(pipenum)) | |
738 | bufnum = 8 + (pipenum - 1) * R8A66597_BUF_BSIZE*2; | |
739 | else if (check_interrupt(pipenum)) | |
740 | bufnum = 4 + (pipenum - 6); | |
741 | else | |
802f389a | 742 | printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum); |
5d304358 YS |
743 | |
744 | return bufnum; | |
745 | } | |
746 | ||
747 | static u16 get_buf_bsize(u16 pipenum) | |
748 | { | |
749 | u16 buf_bsize = 0; | |
750 | ||
751 | if (pipenum == 0) | |
752 | buf_bsize = 3; | |
753 | else if (check_bulk_or_isoc(pipenum)) | |
754 | buf_bsize = R8A66597_BUF_BSIZE - 1; | |
755 | else if (check_interrupt(pipenum)) | |
756 | buf_bsize = 0; | |
757 | else | |
802f389a | 758 | printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum); |
5d304358 YS |
759 | |
760 | return buf_bsize; | |
761 | } | |
762 | ||
763 | /* this function must be called with interrupt disabled */ | |
764 | static void enable_r8a66597_pipe_dma(struct r8a66597 *r8a66597, | |
765 | struct r8a66597_device *dev, | |
766 | struct r8a66597_pipe *pipe, | |
767 | struct urb *urb) | |
768 | { | |
769 | int i; | |
770 | struct r8a66597_pipe_info *info = &pipe->info; | |
719a72b7 MD |
771 | unsigned short mbw = mbw_value(r8a66597); |
772 | ||
773 | /* pipe dma is only for external controlles */ | |
774 | if (r8a66597->pdata->on_chip) | |
775 | return; | |
5d304358 YS |
776 | |
777 | if ((pipe->info.pipenum != 0) && (info->type != R8A66597_INT)) { | |
778 | for (i = 0; i < R8A66597_MAX_DMA_CHANNEL; i++) { | |
779 | if ((r8a66597->dma_map & (1 << i)) != 0) | |
780 | continue; | |
781 | ||
5909f6ea GKH |
782 | dev_info(&dev->udev->dev, |
783 | "address %d, EndpointAddress 0x%02x use " | |
784 | "DMA FIFO\n", usb_pipedevice(urb->pipe), | |
785 | info->dir_in ? | |
786 | USB_ENDPOINT_DIR_MASK + info->epnum | |
787 | : info->epnum); | |
5d304358 YS |
788 | |
789 | r8a66597->dma_map |= 1 << i; | |
790 | dev->dma_map |= 1 << i; | |
791 | set_pipe_reg_addr(pipe, i); | |
792 | ||
793 | cfifo_change(r8a66597, 0); | |
719a72b7 MD |
794 | r8a66597_mdfy(r8a66597, mbw | pipe->info.pipenum, |
795 | mbw | CURPIPE, pipe->fifosel); | |
5d304358 YS |
796 | |
797 | r8a66597_reg_wait(r8a66597, pipe->fifosel, CURPIPE, | |
798 | pipe->info.pipenum); | |
799 | r8a66597_bset(r8a66597, BCLR, pipe->fifoctr); | |
800 | break; | |
801 | } | |
802 | } | |
803 | } | |
804 | ||
805 | /* this function must be called with interrupt disabled */ | |
806 | static void enable_r8a66597_pipe(struct r8a66597 *r8a66597, struct urb *urb, | |
807 | struct usb_host_endpoint *hep, | |
808 | struct r8a66597_pipe_info *info) | |
809 | { | |
810 | struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
811 | struct r8a66597_pipe *pipe = hep->hcpriv; | |
812 | ||
813 | dbg("enable_pipe:"); | |
814 | ||
815 | pipe->info = *info; | |
816 | set_pipe_reg_addr(pipe, R8A66597_PIPE_NO_DMA); | |
817 | r8a66597->pipe_cnt[pipe->info.pipenum]++; | |
818 | dev->pipe_cnt[pipe->info.pipenum]++; | |
819 | ||
820 | enable_r8a66597_pipe_dma(r8a66597, dev, pipe, urb); | |
821 | } | |
822 | ||
823 | /* this function must be called with interrupt disabled */ | |
824 | static void force_dequeue(struct r8a66597 *r8a66597, u16 pipenum, u16 address) | |
825 | { | |
826 | struct r8a66597_td *td, *next; | |
827 | struct urb *urb; | |
828 | struct list_head *list = &r8a66597->pipe_queue[pipenum]; | |
829 | ||
830 | if (list_empty(list)) | |
831 | return; | |
832 | ||
833 | list_for_each_entry_safe(td, next, list, queue) { | |
5d304358 YS |
834 | if (td->address != address) |
835 | continue; | |
836 | ||
837 | urb = td->urb; | |
838 | list_del(&td->queue); | |
839 | kfree(td); | |
840 | ||
841 | if (urb) { | |
e9df41c5 AS |
842 | usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597), |
843 | urb); | |
844 | ||
5d304358 | 845 | spin_unlock(&r8a66597->lock); |
4a00027d AS |
846 | usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597), urb, |
847 | -ENODEV); | |
5d304358 YS |
848 | spin_lock(&r8a66597->lock); |
849 | } | |
850 | break; | |
851 | } | |
852 | } | |
853 | ||
854 | /* this function must be called with interrupt disabled */ | |
855 | static void disable_r8a66597_pipe_all(struct r8a66597 *r8a66597, | |
856 | struct r8a66597_device *dev) | |
857 | { | |
858 | int check_ep0 = 0; | |
859 | u16 pipenum; | |
860 | ||
861 | if (!dev) | |
862 | return; | |
863 | ||
864 | for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
865 | if (!dev->pipe_cnt[pipenum]) | |
866 | continue; | |
867 | ||
868 | if (!check_ep0) { | |
869 | check_ep0 = 1; | |
870 | force_dequeue(r8a66597, 0, dev->address); | |
871 | } | |
872 | ||
873 | r8a66597->pipe_cnt[pipenum] -= dev->pipe_cnt[pipenum]; | |
874 | dev->pipe_cnt[pipenum] = 0; | |
875 | force_dequeue(r8a66597, pipenum, dev->address); | |
876 | } | |
877 | ||
878 | dbg("disable_pipe"); | |
879 | ||
880 | r8a66597->dma_map &= ~(dev->dma_map); | |
881 | dev->dma_map = 0; | |
882 | } | |
883 | ||
397f519a YS |
884 | static u16 get_interval(struct urb *urb, __u8 interval) |
885 | { | |
886 | u16 time = 1; | |
887 | int i; | |
888 | ||
889 | if (urb->dev->speed == USB_SPEED_HIGH) { | |
890 | if (interval > IITV) | |
891 | time = IITV; | |
892 | else | |
893 | time = interval ? interval - 1 : 0; | |
894 | } else { | |
895 | if (interval > 128) { | |
896 | time = IITV; | |
897 | } else { | |
898 | /* calculate the nearest value for PIPEPERI */ | |
899 | for (i = 0; i < 7; i++) { | |
900 | if ((1 << i) < interval && | |
901 | (1 << (i + 1) > interval)) | |
902 | time = 1 << i; | |
903 | } | |
904 | } | |
905 | } | |
906 | ||
907 | return time; | |
908 | } | |
909 | ||
6d879107 YS |
910 | static unsigned long get_timer_interval(struct urb *urb, __u8 interval) |
911 | { | |
912 | __u8 i; | |
913 | unsigned long time = 1; | |
914 | ||
915 | if (usb_pipeisoc(urb->pipe)) | |
916 | return 0; | |
917 | ||
918 | if (get_r8a66597_usb_speed(urb->dev->speed) == HSMODE) { | |
919 | for (i = 0; i < (interval - 1); i++) | |
920 | time *= 2; | |
921 | time = time * 125 / 1000; /* uSOF -> msec */ | |
922 | } else { | |
923 | time = interval; | |
924 | } | |
925 | ||
926 | return time; | |
927 | } | |
928 | ||
5d304358 YS |
929 | /* this function must be called with interrupt disabled */ |
930 | static void init_pipe_info(struct r8a66597 *r8a66597, struct urb *urb, | |
931 | struct usb_host_endpoint *hep, | |
932 | struct usb_endpoint_descriptor *ep) | |
933 | { | |
934 | struct r8a66597_pipe_info info; | |
935 | ||
936 | info.pipenum = get_empty_pipenum(r8a66597, ep); | |
937 | info.address = get_urb_to_r8a66597_addr(r8a66597, urb); | |
2e0fe709 | 938 | info.epnum = usb_endpoint_num(ep); |
05eac910 | 939 | info.maxpacket = le16_to_cpu(ep->wMaxPacketSize); |
2e0fe709 | 940 | info.type = get_r8a66597_type(usb_endpoint_type(ep)); |
5d304358 YS |
941 | info.bufnum = get_bufnum(info.pipenum); |
942 | info.buf_bsize = get_buf_bsize(info.pipenum); | |
6d879107 YS |
943 | if (info.type == R8A66597_BULK) { |
944 | info.interval = 0; | |
945 | info.timer_interval = 0; | |
946 | } else { | |
397f519a | 947 | info.interval = get_interval(urb, ep->bInterval); |
6d879107 YS |
948 | info.timer_interval = get_timer_interval(urb, ep->bInterval); |
949 | } | |
2e0fe709 | 950 | if (usb_endpoint_dir_in(ep)) |
5d304358 YS |
951 | info.dir_in = 1; |
952 | else | |
953 | info.dir_in = 0; | |
954 | ||
955 | enable_r8a66597_pipe(r8a66597, urb, hep, &info); | |
956 | } | |
957 | ||
958 | static void init_pipe_config(struct r8a66597 *r8a66597, struct urb *urb) | |
959 | { | |
960 | struct r8a66597_device *dev; | |
961 | ||
962 | dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
963 | dev->state = USB_STATE_CONFIGURED; | |
964 | } | |
965 | ||
966 | static void pipe_irq_enable(struct r8a66597 *r8a66597, struct urb *urb, | |
967 | u16 pipenum) | |
968 | { | |
969 | if (pipenum == 0 && usb_pipeout(urb->pipe)) | |
970 | enable_irq_empty(r8a66597, pipenum); | |
971 | else | |
972 | enable_irq_ready(r8a66597, pipenum); | |
973 | ||
974 | if (!usb_pipeisoc(urb->pipe)) | |
975 | enable_irq_nrdy(r8a66597, pipenum); | |
976 | } | |
977 | ||
978 | static void pipe_irq_disable(struct r8a66597 *r8a66597, u16 pipenum) | |
979 | { | |
980 | disable_irq_ready(r8a66597, pipenum); | |
981 | disable_irq_nrdy(r8a66597, pipenum); | |
982 | } | |
983 | ||
54d0be9e YS |
984 | static void r8a66597_root_hub_start_polling(struct r8a66597 *r8a66597) |
985 | { | |
986 | mod_timer(&r8a66597->rh_timer, | |
987 | jiffies + msecs_to_jiffies(R8A66597_RH_POLL_TIME)); | |
988 | } | |
989 | ||
990 | static void start_root_hub_sampling(struct r8a66597 *r8a66597, int port, | |
991 | int connect) | |
992 | { | |
993 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; | |
994 | ||
995 | rh->old_syssts = r8a66597_read(r8a66597, get_syssts_reg(port)) & LNST; | |
996 | rh->scount = R8A66597_MAX_SAMPLING; | |
997 | if (connect) | |
998 | rh->port |= 1 << USB_PORT_FEAT_CONNECTION; | |
999 | else | |
1000 | rh->port &= ~(1 << USB_PORT_FEAT_CONNECTION); | |
1001 | rh->port |= 1 << USB_PORT_FEAT_C_CONNECTION; | |
1002 | ||
1003 | r8a66597_root_hub_start_polling(r8a66597); | |
1004 | } | |
1005 | ||
5d304358 | 1006 | /* this function must be called with interrupt disabled */ |
29fab0cd YS |
1007 | static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port, |
1008 | u16 syssts) | |
5d304358 | 1009 | { |
29fab0cd | 1010 | if (syssts == SE0) { |
54d0be9e | 1011 | r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port)); |
29fab0cd | 1012 | r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port)); |
1e6159f8 YS |
1013 | } else { |
1014 | if (syssts == FS_JSTS) | |
1015 | r8a66597_bset(r8a66597, HSE, get_syscfg_reg(port)); | |
1016 | else if (syssts == LS_JSTS) | |
1017 | r8a66597_bclr(r8a66597, HSE, get_syscfg_reg(port)); | |
29fab0cd | 1018 | |
1e6159f8 YS |
1019 | r8a66597_write(r8a66597, ~DTCH, get_intsts_reg(port)); |
1020 | r8a66597_bset(r8a66597, DTCHE, get_intenb_reg(port)); | |
29fab0cd | 1021 | |
1e6159f8 YS |
1022 | if (r8a66597->bus_suspended) |
1023 | usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597)); | |
1024 | } | |
e1e609be | 1025 | |
1e6159f8 | 1026 | usb_hcd_poll_rh_status(r8a66597_to_hcd(r8a66597)); |
5d304358 YS |
1027 | } |
1028 | ||
1029 | /* this function must be called with interrupt disabled */ | |
1030 | static void r8a66597_usb_connect(struct r8a66597 *r8a66597, int port) | |
1031 | { | |
1032 | u16 speed = get_rh_usb_speed(r8a66597, port); | |
1033 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; | |
1034 | ||
1e6159f8 YS |
1035 | rh->port &= ~((1 << USB_PORT_FEAT_HIGHSPEED) | |
1036 | (1 << USB_PORT_FEAT_LOWSPEED)); | |
5d304358 YS |
1037 | if (speed == HSMODE) |
1038 | rh->port |= (1 << USB_PORT_FEAT_HIGHSPEED); | |
1039 | else if (speed == LSMODE) | |
1040 | rh->port |= (1 << USB_PORT_FEAT_LOWSPEED); | |
1041 | ||
1042 | rh->port &= ~(1 << USB_PORT_FEAT_RESET); | |
1043 | rh->port |= 1 << USB_PORT_FEAT_ENABLE; | |
1044 | } | |
1045 | ||
1046 | /* this function must be called with interrupt disabled */ | |
1047 | static void r8a66597_usb_disconnect(struct r8a66597 *r8a66597, int port) | |
1048 | { | |
1049 | struct r8a66597_device *dev = r8a66597->root_hub[port].dev; | |
1050 | ||
5d304358 YS |
1051 | disable_r8a66597_pipe_all(r8a66597, dev); |
1052 | free_usb_address(r8a66597, dev); | |
1053 | ||
54d0be9e | 1054 | start_root_hub_sampling(r8a66597, port, 0); |
5d304358 YS |
1055 | } |
1056 | ||
1057 | /* this function must be called with interrupt disabled */ | |
1058 | static void prepare_setup_packet(struct r8a66597 *r8a66597, | |
1059 | struct r8a66597_td *td) | |
1060 | { | |
1061 | int i; | |
fd05e720 | 1062 | __le16 *p = (__le16 *)td->urb->setup_packet; |
5d304358 YS |
1063 | unsigned long setup_addr = USBREQ; |
1064 | ||
1065 | r8a66597_write(r8a66597, make_devsel(td->address) | td->maxpacket, | |
1066 | DCPMAXP); | |
e294531d | 1067 | r8a66597_write(r8a66597, ~(SIGN | SACK), INTSTS1); |
5d304358 YS |
1068 | |
1069 | for (i = 0; i < 4; i++) { | |
fd05e720 | 1070 | r8a66597_write(r8a66597, le16_to_cpu(p[i]), setup_addr); |
5d304358 YS |
1071 | setup_addr += 2; |
1072 | } | |
1073 | r8a66597_write(r8a66597, SUREQ, DCPCTR); | |
1074 | } | |
1075 | ||
1076 | /* this function must be called with interrupt disabled */ | |
1077 | static void prepare_packet_read(struct r8a66597 *r8a66597, | |
1078 | struct r8a66597_td *td) | |
1079 | { | |
1080 | struct urb *urb = td->urb; | |
1081 | ||
1082 | if (usb_pipecontrol(urb->pipe)) { | |
1083 | r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG); | |
1084 | r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL); | |
1085 | r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); | |
1086 | if (urb->actual_length == 0) { | |
1087 | r8a66597_pipe_toggle(r8a66597, td->pipe, 1); | |
1088 | r8a66597_write(r8a66597, BCLR, CFIFOCTR); | |
1089 | } | |
1090 | pipe_irq_disable(r8a66597, td->pipenum); | |
1091 | pipe_start(r8a66597, td->pipe); | |
1092 | pipe_irq_enable(r8a66597, urb, td->pipenum); | |
1093 | } else { | |
1094 | if (urb->actual_length == 0) { | |
1095 | pipe_irq_disable(r8a66597, td->pipenum); | |
1096 | pipe_setting(r8a66597, td); | |
1097 | pipe_stop(r8a66597, td->pipe); | |
e294531d | 1098 | r8a66597_write(r8a66597, ~(1 << td->pipenum), BRDYSTS); |
5d304358 YS |
1099 | |
1100 | if (td->pipe->pipetre) { | |
1101 | r8a66597_write(r8a66597, TRCLR, | |
e294531d | 1102 | td->pipe->pipetre); |
5d304358 | 1103 | r8a66597_write(r8a66597, |
dfa5ec79 JL |
1104 | DIV_ROUND_UP |
1105 | (urb->transfer_buffer_length, | |
1106 | td->maxpacket), | |
e294531d | 1107 | td->pipe->pipetrn); |
5d304358 | 1108 | r8a66597_bset(r8a66597, TRENB, |
e294531d | 1109 | td->pipe->pipetre); |
5d304358 YS |
1110 | } |
1111 | ||
1112 | pipe_start(r8a66597, td->pipe); | |
1113 | pipe_irq_enable(r8a66597, urb, td->pipenum); | |
1114 | } | |
1115 | } | |
1116 | } | |
1117 | ||
1118 | /* this function must be called with interrupt disabled */ | |
1119 | static void prepare_packet_write(struct r8a66597 *r8a66597, | |
1120 | struct r8a66597_td *td) | |
1121 | { | |
1122 | u16 tmp; | |
1123 | struct urb *urb = td->urb; | |
1124 | ||
1125 | if (usb_pipecontrol(urb->pipe)) { | |
1126 | pipe_stop(r8a66597, td->pipe); | |
1127 | r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG); | |
1128 | r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL); | |
1129 | r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); | |
1130 | if (urb->actual_length == 0) { | |
1131 | r8a66597_pipe_toggle(r8a66597, td->pipe, 1); | |
1132 | r8a66597_write(r8a66597, BCLR, CFIFOCTR); | |
1133 | } | |
1134 | } else { | |
1135 | if (urb->actual_length == 0) | |
1136 | pipe_setting(r8a66597, td); | |
1137 | if (td->pipe->pipetre) | |
1138 | r8a66597_bclr(r8a66597, TRENB, td->pipe->pipetre); | |
1139 | } | |
e294531d | 1140 | r8a66597_write(r8a66597, ~(1 << td->pipenum), BRDYSTS); |
5d304358 YS |
1141 | |
1142 | fifo_change_from_pipe(r8a66597, td->pipe); | |
1143 | tmp = r8a66597_read(r8a66597, td->pipe->fifoctr); | |
1144 | if (unlikely((tmp & FRDY) == 0)) | |
1145 | pipe_irq_enable(r8a66597, urb, td->pipenum); | |
1146 | else | |
1147 | packet_write(r8a66597, td->pipenum); | |
1148 | pipe_start(r8a66597, td->pipe); | |
1149 | } | |
1150 | ||
1151 | /* this function must be called with interrupt disabled */ | |
1152 | static void prepare_status_packet(struct r8a66597 *r8a66597, | |
1153 | struct r8a66597_td *td) | |
1154 | { | |
1155 | struct urb *urb = td->urb; | |
1156 | ||
1157 | r8a66597_pipe_toggle(r8a66597, td->pipe, 1); | |
e294531d | 1158 | pipe_stop(r8a66597, td->pipe); |
5d304358 YS |
1159 | |
1160 | if (urb->setup_packet[0] & USB_ENDPOINT_DIR_MASK) { | |
1161 | r8a66597_bset(r8a66597, R8A66597_DIR, DCPCFG); | |
1162 | r8a66597_mdfy(r8a66597, ISEL, ISEL | CURPIPE, CFIFOSEL); | |
1163 | r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); | |
e294531d | 1164 | r8a66597_write(r8a66597, ~BEMP0, BEMPSTS); |
9424ea29 | 1165 | r8a66597_write(r8a66597, BCLR | BVAL, CFIFOCTR); |
5d304358 YS |
1166 | enable_irq_empty(r8a66597, 0); |
1167 | } else { | |
1168 | r8a66597_bclr(r8a66597, R8A66597_DIR, DCPCFG); | |
1169 | r8a66597_mdfy(r8a66597, 0, ISEL | CURPIPE, CFIFOSEL); | |
1170 | r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, 0); | |
1171 | r8a66597_write(r8a66597, BCLR, CFIFOCTR); | |
5d304358 YS |
1172 | enable_irq_ready(r8a66597, 0); |
1173 | } | |
1174 | enable_irq_nrdy(r8a66597, 0); | |
1175 | pipe_start(r8a66597, td->pipe); | |
1176 | } | |
1177 | ||
e3a09051 YS |
1178 | static int is_set_address(unsigned char *setup_packet) |
1179 | { | |
1180 | if (((setup_packet[0] & USB_TYPE_MASK) == USB_TYPE_STANDARD) && | |
1181 | setup_packet[1] == USB_REQ_SET_ADDRESS) | |
1182 | return 1; | |
1183 | else | |
1184 | return 0; | |
1185 | } | |
1186 | ||
5d304358 YS |
1187 | /* this function must be called with interrupt disabled */ |
1188 | static int start_transfer(struct r8a66597 *r8a66597, struct r8a66597_td *td) | |
1189 | { | |
1190 | BUG_ON(!td); | |
1191 | ||
1192 | switch (td->type) { | |
1193 | case USB_PID_SETUP: | |
e3a09051 | 1194 | if (is_set_address(td->urb->setup_packet)) { |
5d304358 YS |
1195 | td->set_address = 1; |
1196 | td->urb->setup_packet[2] = alloc_usb_address(r8a66597, | |
1197 | td->urb); | |
1198 | if (td->urb->setup_packet[2] == 0) | |
1199 | return -EPIPE; | |
1200 | } | |
1201 | prepare_setup_packet(r8a66597, td); | |
1202 | break; | |
1203 | case USB_PID_IN: | |
1204 | prepare_packet_read(r8a66597, td); | |
1205 | break; | |
1206 | case USB_PID_OUT: | |
1207 | prepare_packet_write(r8a66597, td); | |
1208 | break; | |
1209 | case USB_PID_ACK: | |
1210 | prepare_status_packet(r8a66597, td); | |
1211 | break; | |
1212 | default: | |
802f389a | 1213 | printk(KERN_ERR "r8a66597: invalid type.\n"); |
5d304358 YS |
1214 | break; |
1215 | } | |
1216 | ||
1217 | return 0; | |
1218 | } | |
1219 | ||
1220 | static int check_transfer_finish(struct r8a66597_td *td, struct urb *urb) | |
1221 | { | |
1222 | if (usb_pipeisoc(urb->pipe)) { | |
1223 | if (urb->number_of_packets == td->iso_cnt) | |
1224 | return 1; | |
1225 | } | |
1226 | ||
1227 | /* control or bulk or interrupt */ | |
1228 | if ((urb->transfer_buffer_length <= urb->actual_length) || | |
1229 | (td->short_packet) || (td->zero_packet)) | |
1230 | return 1; | |
1231 | ||
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | /* this function must be called with interrupt disabled */ | |
1236 | static void set_td_timer(struct r8a66597 *r8a66597, struct r8a66597_td *td) | |
1237 | { | |
1238 | unsigned long time; | |
1239 | ||
1240 | BUG_ON(!td); | |
1241 | ||
1242 | if (!list_empty(&r8a66597->pipe_queue[td->pipenum]) && | |
1243 | !usb_pipecontrol(td->urb->pipe) && usb_pipein(td->urb->pipe)) { | |
1244 | r8a66597->timeout_map |= 1 << td->pipenum; | |
1245 | switch (usb_pipetype(td->urb->pipe)) { | |
1246 | case PIPE_INTERRUPT: | |
1247 | case PIPE_ISOCHRONOUS: | |
1248 | time = 30; | |
1249 | break; | |
1250 | default: | |
1251 | time = 300; | |
1252 | break; | |
1253 | } | |
1254 | ||
1255 | mod_timer(&r8a66597->td_timer[td->pipenum], | |
1256 | jiffies + msecs_to_jiffies(time)); | |
1257 | } | |
1258 | } | |
1259 | ||
1260 | /* this function must be called with interrupt disabled */ | |
dfd1e537 | 1261 | static void finish_request(struct r8a66597 *r8a66597, struct r8a66597_td *td, |
888fda47 | 1262 | u16 pipenum, struct urb *urb, int status) |
dfd1e537 | 1263 | __releases(r8a66597->lock) __acquires(r8a66597->lock) |
5d304358 YS |
1264 | { |
1265 | int restart = 0; | |
1266 | struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597); | |
1267 | ||
1268 | r8a66597->timeout_map &= ~(1 << pipenum); | |
1269 | ||
1270 | if (likely(td)) { | |
888fda47 | 1271 | if (td->set_address && (status != 0 || urb->unlinked)) |
5d304358 YS |
1272 | r8a66597->address_map &= ~(1 << urb->setup_packet[2]); |
1273 | ||
1274 | pipe_toggle_save(r8a66597, td->pipe, urb); | |
1275 | list_del(&td->queue); | |
1276 | kfree(td); | |
1277 | } | |
1278 | ||
1279 | if (!list_empty(&r8a66597->pipe_queue[pipenum])) | |
1280 | restart = 1; | |
1281 | ||
1282 | if (likely(urb)) { | |
1283 | if (usb_pipeisoc(urb->pipe)) | |
1284 | urb->start_frame = r8a66597_get_frame(hcd); | |
1285 | ||
e9df41c5 | 1286 | usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597), urb); |
5d304358 | 1287 | spin_unlock(&r8a66597->lock); |
4a00027d | 1288 | usb_hcd_giveback_urb(hcd, urb, status); |
5d304358 YS |
1289 | spin_lock(&r8a66597->lock); |
1290 | } | |
1291 | ||
1292 | if (restart) { | |
1293 | td = r8a66597_get_td(r8a66597, pipenum); | |
1294 | if (unlikely(!td)) | |
1295 | return; | |
1296 | ||
1297 | start_transfer(r8a66597, td); | |
1298 | set_td_timer(r8a66597, td); | |
1299 | } | |
1300 | } | |
1301 | ||
5d304358 YS |
1302 | static void packet_read(struct r8a66597 *r8a66597, u16 pipenum) |
1303 | { | |
1304 | u16 tmp; | |
1305 | int rcv_len, bufsize, urb_len, size; | |
1306 | u16 *buf; | |
1307 | struct r8a66597_td *td = r8a66597_get_td(r8a66597, pipenum); | |
1308 | struct urb *urb; | |
1309 | int finish = 0; | |
dfd1e537 | 1310 | int status = 0; |
5d304358 YS |
1311 | |
1312 | if (unlikely(!td)) | |
1313 | return; | |
1314 | urb = td->urb; | |
1315 | ||
1316 | fifo_change_from_pipe(r8a66597, td->pipe); | |
1317 | tmp = r8a66597_read(r8a66597, td->pipe->fifoctr); | |
1318 | if (unlikely((tmp & FRDY) == 0)) { | |
5d304358 YS |
1319 | pipe_stop(r8a66597, td->pipe); |
1320 | pipe_irq_disable(r8a66597, pipenum); | |
802f389a | 1321 | printk(KERN_ERR "r8a66597: in fifo not ready (%d)\n", pipenum); |
888fda47 | 1322 | finish_request(r8a66597, td, pipenum, td->urb, -EPIPE); |
5d304358 YS |
1323 | return; |
1324 | } | |
1325 | ||
1326 | /* prepare parameters */ | |
1327 | rcv_len = tmp & DTLN; | |
5d304358 YS |
1328 | if (usb_pipeisoc(urb->pipe)) { |
1329 | buf = (u16 *)(urb->transfer_buffer + | |
1330 | urb->iso_frame_desc[td->iso_cnt].offset); | |
1331 | urb_len = urb->iso_frame_desc[td->iso_cnt].length; | |
1332 | } else { | |
1333 | buf = (void *)urb->transfer_buffer + urb->actual_length; | |
1334 | urb_len = urb->transfer_buffer_length - urb->actual_length; | |
1335 | } | |
dfd1e537 AS |
1336 | bufsize = min(urb_len, (int) td->maxpacket); |
1337 | if (rcv_len <= bufsize) { | |
1338 | size = rcv_len; | |
1339 | } else { | |
1340 | size = bufsize; | |
1341 | status = -EOVERFLOW; | |
1342 | finish = 1; | |
1343 | } | |
5d304358 YS |
1344 | |
1345 | /* update parameters */ | |
1346 | urb->actual_length += size; | |
1347 | if (rcv_len == 0) | |
1348 | td->zero_packet = 1; | |
dfd1e537 | 1349 | if (rcv_len < bufsize) { |
5d304358 | 1350 | td->short_packet = 1; |
5d304358 YS |
1351 | } |
1352 | if (usb_pipeisoc(urb->pipe)) { | |
1353 | urb->iso_frame_desc[td->iso_cnt].actual_length = size; | |
dfd1e537 | 1354 | urb->iso_frame_desc[td->iso_cnt].status = status; |
5d304358 | 1355 | td->iso_cnt++; |
dfd1e537 | 1356 | finish = 0; |
5d304358 YS |
1357 | } |
1358 | ||
1359 | /* check transfer finish */ | |
b0d9efba | 1360 | if (finish || check_transfer_finish(td, urb)) { |
5d304358 YS |
1361 | pipe_stop(r8a66597, td->pipe); |
1362 | pipe_irq_disable(r8a66597, pipenum); | |
1363 | finish = 1; | |
1364 | } | |
1365 | ||
1366 | /* read fifo */ | |
1367 | if (urb->transfer_buffer) { | |
1368 | if (size == 0) | |
1369 | r8a66597_write(r8a66597, BCLR, td->pipe->fifoctr); | |
1370 | else | |
1371 | r8a66597_read_fifo(r8a66597, td->pipe->fifoaddr, | |
1372 | buf, size); | |
1373 | } | |
1374 | ||
888fda47 AS |
1375 | if (finish && pipenum != 0) |
1376 | finish_request(r8a66597, td, pipenum, urb, status); | |
5d304358 YS |
1377 | } |
1378 | ||
1379 | static void packet_write(struct r8a66597 *r8a66597, u16 pipenum) | |
1380 | { | |
1381 | u16 tmp; | |
1382 | int bufsize, size; | |
1383 | u16 *buf; | |
1384 | struct r8a66597_td *td = r8a66597_get_td(r8a66597, pipenum); | |
1385 | struct urb *urb; | |
1386 | ||
1387 | if (unlikely(!td)) | |
1388 | return; | |
1389 | urb = td->urb; | |
1390 | ||
1391 | fifo_change_from_pipe(r8a66597, td->pipe); | |
1392 | tmp = r8a66597_read(r8a66597, td->pipe->fifoctr); | |
1393 | if (unlikely((tmp & FRDY) == 0)) { | |
5d304358 YS |
1394 | pipe_stop(r8a66597, td->pipe); |
1395 | pipe_irq_disable(r8a66597, pipenum); | |
802f389a | 1396 | printk(KERN_ERR "r8a66597: out fifo not ready (%d)\n", pipenum); |
888fda47 | 1397 | finish_request(r8a66597, td, pipenum, urb, -EPIPE); |
5d304358 YS |
1398 | return; |
1399 | } | |
1400 | ||
1401 | /* prepare parameters */ | |
1402 | bufsize = td->maxpacket; | |
1403 | if (usb_pipeisoc(urb->pipe)) { | |
1404 | buf = (u16 *)(urb->transfer_buffer + | |
1405 | urb->iso_frame_desc[td->iso_cnt].offset); | |
1406 | size = min(bufsize, | |
1407 | (int)urb->iso_frame_desc[td->iso_cnt].length); | |
1408 | } else { | |
1409 | buf = (u16 *)(urb->transfer_buffer + urb->actual_length); | |
16e2e5f6 | 1410 | size = min_t(u32, bufsize, |
5d304358 YS |
1411 | urb->transfer_buffer_length - urb->actual_length); |
1412 | } | |
1413 | ||
1414 | /* write fifo */ | |
1415 | if (pipenum > 0) | |
e294531d | 1416 | r8a66597_write(r8a66597, ~(1 << pipenum), BEMPSTS); |
5d304358 YS |
1417 | if (urb->transfer_buffer) { |
1418 | r8a66597_write_fifo(r8a66597, td->pipe->fifoaddr, buf, size); | |
1419 | if (!usb_pipebulk(urb->pipe) || td->maxpacket != size) | |
1420 | r8a66597_write(r8a66597, BVAL, td->pipe->fifoctr); | |
1421 | } | |
1422 | ||
1423 | /* update parameters */ | |
1424 | urb->actual_length += size; | |
1425 | if (usb_pipeisoc(urb->pipe)) { | |
1426 | urb->iso_frame_desc[td->iso_cnt].actual_length = size; | |
1427 | urb->iso_frame_desc[td->iso_cnt].status = 0; | |
1428 | td->iso_cnt++; | |
1429 | } | |
1430 | ||
1431 | /* check transfer finish */ | |
1432 | if (check_transfer_finish(td, urb)) { | |
1433 | disable_irq_ready(r8a66597, pipenum); | |
1434 | enable_irq_empty(r8a66597, pipenum); | |
1435 | if (!usb_pipeisoc(urb->pipe)) | |
1436 | enable_irq_nrdy(r8a66597, pipenum); | |
1437 | } else | |
1438 | pipe_irq_enable(r8a66597, urb, pipenum); | |
1439 | } | |
1440 | ||
1441 | ||
888fda47 | 1442 | static void check_next_phase(struct r8a66597 *r8a66597, int status) |
5d304358 YS |
1443 | { |
1444 | struct r8a66597_td *td = r8a66597_get_td(r8a66597, 0); | |
1445 | struct urb *urb; | |
1446 | u8 finish = 0; | |
1447 | ||
1448 | if (unlikely(!td)) | |
1449 | return; | |
1450 | urb = td->urb; | |
1451 | ||
1452 | switch (td->type) { | |
1453 | case USB_PID_IN: | |
1454 | case USB_PID_OUT: | |
5d304358 YS |
1455 | if (check_transfer_finish(td, urb)) |
1456 | td->type = USB_PID_ACK; | |
1457 | break; | |
1458 | case USB_PID_SETUP: | |
eb231054 | 1459 | if (urb->transfer_buffer_length == urb->actual_length) |
5d304358 | 1460 | td->type = USB_PID_ACK; |
eb231054 | 1461 | else if (usb_pipeout(urb->pipe)) |
5d304358 YS |
1462 | td->type = USB_PID_OUT; |
1463 | else | |
1464 | td->type = USB_PID_IN; | |
1465 | break; | |
1466 | case USB_PID_ACK: | |
1467 | finish = 1; | |
5d304358 YS |
1468 | break; |
1469 | } | |
1470 | ||
888fda47 AS |
1471 | if (finish || status != 0 || urb->unlinked) |
1472 | finish_request(r8a66597, td, 0, urb, status); | |
5d304358 YS |
1473 | else |
1474 | start_transfer(r8a66597, td); | |
1475 | } | |
1476 | ||
888fda47 | 1477 | static int get_urb_error(struct r8a66597 *r8a66597, u16 pipenum) |
5d304358 YS |
1478 | { |
1479 | struct r8a66597_td *td = r8a66597_get_td(r8a66597, pipenum); | |
1480 | ||
888fda47 | 1481 | if (td) { |
5d304358 YS |
1482 | u16 pid = r8a66597_read(r8a66597, td->pipe->pipectr) & PID; |
1483 | ||
1484 | if (pid == PID_NAK) | |
888fda47 | 1485 | return -ECONNRESET; |
5d304358 | 1486 | else |
888fda47 | 1487 | return -EPIPE; |
5d304358 | 1488 | } |
888fda47 | 1489 | return 0; |
5d304358 YS |
1490 | } |
1491 | ||
1492 | static void irq_pipe_ready(struct r8a66597 *r8a66597) | |
1493 | { | |
1494 | u16 check; | |
1495 | u16 pipenum; | |
1496 | u16 mask; | |
1497 | struct r8a66597_td *td; | |
1498 | ||
1499 | mask = r8a66597_read(r8a66597, BRDYSTS) | |
1500 | & r8a66597_read(r8a66597, BRDYENB); | |
e294531d | 1501 | r8a66597_write(r8a66597, ~mask, BRDYSTS); |
5d304358 YS |
1502 | if (mask & BRDY0) { |
1503 | td = r8a66597_get_td(r8a66597, 0); | |
1504 | if (td && td->type == USB_PID_IN) | |
1505 | packet_read(r8a66597, 0); | |
1506 | else | |
1507 | pipe_irq_disable(r8a66597, 0); | |
888fda47 | 1508 | check_next_phase(r8a66597, 0); |
5d304358 YS |
1509 | } |
1510 | ||
1511 | for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
1512 | check = 1 << pipenum; | |
1513 | if (mask & check) { | |
1514 | td = r8a66597_get_td(r8a66597, pipenum); | |
1515 | if (unlikely(!td)) | |
1516 | continue; | |
1517 | ||
1518 | if (td->type == USB_PID_IN) | |
1519 | packet_read(r8a66597, pipenum); | |
1520 | else if (td->type == USB_PID_OUT) | |
1521 | packet_write(r8a66597, pipenum); | |
1522 | } | |
1523 | } | |
1524 | } | |
1525 | ||
1526 | static void irq_pipe_empty(struct r8a66597 *r8a66597) | |
1527 | { | |
1528 | u16 tmp; | |
1529 | u16 check; | |
1530 | u16 pipenum; | |
1531 | u16 mask; | |
1532 | struct r8a66597_td *td; | |
1533 | ||
1534 | mask = r8a66597_read(r8a66597, BEMPSTS) | |
1535 | & r8a66597_read(r8a66597, BEMPENB); | |
e294531d | 1536 | r8a66597_write(r8a66597, ~mask, BEMPSTS); |
5d304358 YS |
1537 | if (mask & BEMP0) { |
1538 | cfifo_change(r8a66597, 0); | |
1539 | td = r8a66597_get_td(r8a66597, 0); | |
1540 | if (td && td->type != USB_PID_OUT) | |
1541 | disable_irq_empty(r8a66597, 0); | |
888fda47 | 1542 | check_next_phase(r8a66597, 0); |
5d304358 YS |
1543 | } |
1544 | ||
1545 | for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
1546 | check = 1 << pipenum; | |
1547 | if (mask & check) { | |
1548 | struct r8a66597_td *td; | |
1549 | td = r8a66597_get_td(r8a66597, pipenum); | |
1550 | if (unlikely(!td)) | |
1551 | continue; | |
1552 | ||
1553 | tmp = r8a66597_read(r8a66597, td->pipe->pipectr); | |
1554 | if ((tmp & INBUFM) == 0) { | |
1555 | disable_irq_empty(r8a66597, pipenum); | |
1556 | pipe_irq_disable(r8a66597, pipenum); | |
888fda47 AS |
1557 | finish_request(r8a66597, td, pipenum, td->urb, |
1558 | 0); | |
5d304358 YS |
1559 | } |
1560 | } | |
1561 | } | |
1562 | } | |
1563 | ||
1564 | static void irq_pipe_nrdy(struct r8a66597 *r8a66597) | |
1565 | { | |
1566 | u16 check; | |
1567 | u16 pipenum; | |
1568 | u16 mask; | |
888fda47 | 1569 | int status; |
5d304358 YS |
1570 | |
1571 | mask = r8a66597_read(r8a66597, NRDYSTS) | |
1572 | & r8a66597_read(r8a66597, NRDYENB); | |
e294531d | 1573 | r8a66597_write(r8a66597, ~mask, NRDYSTS); |
5d304358 YS |
1574 | if (mask & NRDY0) { |
1575 | cfifo_change(r8a66597, 0); | |
888fda47 | 1576 | status = get_urb_error(r8a66597, 0); |
5d304358 | 1577 | pipe_irq_disable(r8a66597, 0); |
888fda47 | 1578 | check_next_phase(r8a66597, status); |
5d304358 YS |
1579 | } |
1580 | ||
1581 | for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
1582 | check = 1 << pipenum; | |
1583 | if (mask & check) { | |
1584 | struct r8a66597_td *td; | |
1585 | td = r8a66597_get_td(r8a66597, pipenum); | |
1586 | if (unlikely(!td)) | |
1587 | continue; | |
1588 | ||
888fda47 | 1589 | status = get_urb_error(r8a66597, pipenum); |
5d304358 YS |
1590 | pipe_irq_disable(r8a66597, pipenum); |
1591 | pipe_stop(r8a66597, td->pipe); | |
888fda47 | 1592 | finish_request(r8a66597, td, pipenum, td->urb, status); |
5d304358 YS |
1593 | } |
1594 | } | |
1595 | } | |
1596 | ||
5d304358 YS |
1597 | static irqreturn_t r8a66597_irq(struct usb_hcd *hcd) |
1598 | { | |
1599 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
1600 | u16 intsts0, intsts1, intsts2; | |
1601 | u16 intenb0, intenb1, intenb2; | |
1602 | u16 mask0, mask1, mask2; | |
888fda47 | 1603 | int status; |
5d304358 YS |
1604 | |
1605 | spin_lock(&r8a66597->lock); | |
1606 | ||
1607 | intsts0 = r8a66597_read(r8a66597, INTSTS0); | |
1608 | intsts1 = r8a66597_read(r8a66597, INTSTS1); | |
1609 | intsts2 = r8a66597_read(r8a66597, INTSTS2); | |
1610 | intenb0 = r8a66597_read(r8a66597, INTENB0); | |
1611 | intenb1 = r8a66597_read(r8a66597, INTENB1); | |
1612 | intenb2 = r8a66597_read(r8a66597, INTENB2); | |
1613 | ||
1614 | mask2 = intsts2 & intenb2; | |
1615 | mask1 = intsts1 & intenb1; | |
1616 | mask0 = intsts0 & intenb0 & (BEMP | NRDY | BRDY); | |
1617 | if (mask2) { | |
1618 | if (mask2 & ATTCH) { | |
e294531d | 1619 | r8a66597_write(r8a66597, ~ATTCH, INTSTS2); |
5d304358 YS |
1620 | r8a66597_bclr(r8a66597, ATTCHE, INTENB2); |
1621 | ||
1622 | /* start usb bus sampling */ | |
54d0be9e | 1623 | start_root_hub_sampling(r8a66597, 1, 1); |
5d304358 YS |
1624 | } |
1625 | if (mask2 & DTCH) { | |
e294531d | 1626 | r8a66597_write(r8a66597, ~DTCH, INTSTS2); |
5d304358 YS |
1627 | r8a66597_bclr(r8a66597, DTCHE, INTENB2); |
1628 | r8a66597_usb_disconnect(r8a66597, 1); | |
1629 | } | |
e1e609be YS |
1630 | if (mask2 & BCHG) { |
1631 | r8a66597_write(r8a66597, ~BCHG, INTSTS2); | |
1632 | r8a66597_bclr(r8a66597, BCHGE, INTENB2); | |
1633 | usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597)); | |
1634 | } | |
5d304358 YS |
1635 | } |
1636 | ||
1637 | if (mask1) { | |
1638 | if (mask1 & ATTCH) { | |
e294531d | 1639 | r8a66597_write(r8a66597, ~ATTCH, INTSTS1); |
5d304358 YS |
1640 | r8a66597_bclr(r8a66597, ATTCHE, INTENB1); |
1641 | ||
1642 | /* start usb bus sampling */ | |
54d0be9e | 1643 | start_root_hub_sampling(r8a66597, 0, 1); |
5d304358 YS |
1644 | } |
1645 | if (mask1 & DTCH) { | |
e294531d | 1646 | r8a66597_write(r8a66597, ~DTCH, INTSTS1); |
5d304358 YS |
1647 | r8a66597_bclr(r8a66597, DTCHE, INTENB1); |
1648 | r8a66597_usb_disconnect(r8a66597, 0); | |
1649 | } | |
e1e609be YS |
1650 | if (mask1 & BCHG) { |
1651 | r8a66597_write(r8a66597, ~BCHG, INTSTS1); | |
1652 | r8a66597_bclr(r8a66597, BCHGE, INTENB1); | |
1653 | usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597)); | |
1654 | } | |
1655 | ||
5d304358 | 1656 | if (mask1 & SIGN) { |
e294531d | 1657 | r8a66597_write(r8a66597, ~SIGN, INTSTS1); |
888fda47 AS |
1658 | status = get_urb_error(r8a66597, 0); |
1659 | check_next_phase(r8a66597, status); | |
5d304358 YS |
1660 | } |
1661 | if (mask1 & SACK) { | |
e294531d | 1662 | r8a66597_write(r8a66597, ~SACK, INTSTS1); |
888fda47 | 1663 | check_next_phase(r8a66597, 0); |
5d304358 YS |
1664 | } |
1665 | } | |
1666 | if (mask0) { | |
1667 | if (mask0 & BRDY) | |
1668 | irq_pipe_ready(r8a66597); | |
1669 | if (mask0 & BEMP) | |
1670 | irq_pipe_empty(r8a66597); | |
1671 | if (mask0 & NRDY) | |
1672 | irq_pipe_nrdy(r8a66597); | |
1673 | } | |
1674 | ||
1675 | spin_unlock(&r8a66597->lock); | |
1676 | return IRQ_HANDLED; | |
1677 | } | |
1678 | ||
1679 | /* this function must be called with interrupt disabled */ | |
1680 | static void r8a66597_root_hub_control(struct r8a66597 *r8a66597, int port) | |
1681 | { | |
1682 | u16 tmp; | |
1683 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; | |
1684 | ||
1685 | if (rh->port & (1 << USB_PORT_FEAT_RESET)) { | |
1686 | unsigned long dvstctr_reg = get_dvstctr_reg(port); | |
1687 | ||
1688 | tmp = r8a66597_read(r8a66597, dvstctr_reg); | |
1689 | if ((tmp & USBRST) == USBRST) { | |
1690 | r8a66597_mdfy(r8a66597, UACT, USBRST | UACT, | |
1691 | dvstctr_reg); | |
29fab0cd | 1692 | r8a66597_root_hub_start_polling(r8a66597); |
5d304358 YS |
1693 | } else |
1694 | r8a66597_usb_connect(r8a66597, port); | |
1695 | } | |
1696 | ||
29fab0cd YS |
1697 | if (!(rh->port & (1 << USB_PORT_FEAT_CONNECTION))) { |
1698 | r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port)); | |
1699 | r8a66597_bset(r8a66597, ATTCHE, get_intenb_reg(port)); | |
1700 | } | |
1701 | ||
5d304358 YS |
1702 | if (rh->scount > 0) { |
1703 | tmp = r8a66597_read(r8a66597, get_syssts_reg(port)) & LNST; | |
1704 | if (tmp == rh->old_syssts) { | |
1705 | rh->scount--; | |
29fab0cd YS |
1706 | if (rh->scount == 0) |
1707 | r8a66597_check_syssts(r8a66597, port, tmp); | |
1708 | else | |
1709 | r8a66597_root_hub_start_polling(r8a66597); | |
5d304358 YS |
1710 | } else { |
1711 | rh->scount = R8A66597_MAX_SAMPLING; | |
1712 | rh->old_syssts = tmp; | |
29fab0cd | 1713 | r8a66597_root_hub_start_polling(r8a66597); |
5d304358 YS |
1714 | } |
1715 | } | |
1716 | } | |
1717 | ||
6d879107 YS |
1718 | static void r8a66597_interval_timer(unsigned long _r8a66597) |
1719 | { | |
1720 | struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597; | |
1721 | unsigned long flags; | |
1722 | u16 pipenum; | |
1723 | struct r8a66597_td *td; | |
1724 | ||
1725 | spin_lock_irqsave(&r8a66597->lock, flags); | |
1726 | ||
1727 | for (pipenum = 0; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
1728 | if (!(r8a66597->interval_map & (1 << pipenum))) | |
1729 | continue; | |
1730 | if (timer_pending(&r8a66597->interval_timer[pipenum])) | |
1731 | continue; | |
1732 | ||
1733 | td = r8a66597_get_td(r8a66597, pipenum); | |
1734 | if (td) | |
1735 | start_transfer(r8a66597, td); | |
1736 | } | |
1737 | ||
1738 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
1739 | } | |
1740 | ||
5d304358 YS |
1741 | static void r8a66597_td_timer(unsigned long _r8a66597) |
1742 | { | |
1743 | struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597; | |
1744 | unsigned long flags; | |
1745 | u16 pipenum; | |
1746 | struct r8a66597_td *td, *new_td = NULL; | |
1747 | struct r8a66597_pipe *pipe; | |
1748 | ||
1749 | spin_lock_irqsave(&r8a66597->lock, flags); | |
1750 | for (pipenum = 0; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { | |
1751 | if (!(r8a66597->timeout_map & (1 << pipenum))) | |
1752 | continue; | |
1753 | if (timer_pending(&r8a66597->td_timer[pipenum])) | |
1754 | continue; | |
1755 | ||
1756 | td = r8a66597_get_td(r8a66597, pipenum); | |
1757 | if (!td) { | |
1758 | r8a66597->timeout_map &= ~(1 << pipenum); | |
1759 | continue; | |
1760 | } | |
1761 | ||
1762 | if (td->urb->actual_length) { | |
1763 | set_td_timer(r8a66597, td); | |
1764 | break; | |
1765 | } | |
1766 | ||
1767 | pipe = td->pipe; | |
1768 | pipe_stop(r8a66597, pipe); | |
1769 | ||
1770 | new_td = td; | |
1771 | do { | |
1772 | list_move_tail(&new_td->queue, | |
1773 | &r8a66597->pipe_queue[pipenum]); | |
1774 | new_td = r8a66597_get_td(r8a66597, pipenum); | |
1775 | if (!new_td) { | |
1776 | new_td = td; | |
1777 | break; | |
1778 | } | |
1779 | } while (td != new_td && td->address == new_td->address); | |
1780 | ||
1781 | start_transfer(r8a66597, new_td); | |
1782 | ||
1783 | if (td == new_td) | |
1784 | r8a66597->timeout_map &= ~(1 << pipenum); | |
1785 | else | |
1786 | set_td_timer(r8a66597, new_td); | |
1787 | break; | |
1788 | } | |
1789 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
1790 | } | |
1791 | ||
1792 | static void r8a66597_timer(unsigned long _r8a66597) | |
1793 | { | |
1794 | struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597; | |
1795 | unsigned long flags; | |
58639646 | 1796 | int port; |
5d304358 YS |
1797 | |
1798 | spin_lock_irqsave(&r8a66597->lock, flags); | |
1799 | ||
719a72b7 | 1800 | for (port = 0; port < r8a66597->max_root_hub; port++) |
58639646 | 1801 | r8a66597_root_hub_control(r8a66597, port); |
5d304358 YS |
1802 | |
1803 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
1804 | } | |
1805 | ||
1806 | static int check_pipe_config(struct r8a66597 *r8a66597, struct urb *urb) | |
1807 | { | |
1808 | struct r8a66597_device *dev = get_urb_to_r8a66597_dev(r8a66597, urb); | |
1809 | ||
1810 | if (dev && dev->address && dev->state != USB_STATE_CONFIGURED && | |
1811 | (urb->dev->state == USB_STATE_CONFIGURED)) | |
1812 | return 1; | |
1813 | else | |
1814 | return 0; | |
1815 | } | |
1816 | ||
1817 | static int r8a66597_start(struct usb_hcd *hcd) | |
1818 | { | |
1819 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
5d304358 YS |
1820 | |
1821 | hcd->state = HC_STATE_RUNNING; | |
e294531d | 1822 | return enable_controller(r8a66597); |
5d304358 YS |
1823 | } |
1824 | ||
1825 | static void r8a66597_stop(struct usb_hcd *hcd) | |
1826 | { | |
1827 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
1828 | ||
1829 | disable_controller(r8a66597); | |
1830 | } | |
1831 | ||
1832 | static void set_address_zero(struct r8a66597 *r8a66597, struct urb *urb) | |
1833 | { | |
1834 | unsigned int usb_address = usb_pipedevice(urb->pipe); | |
1835 | u16 root_port, hub_port; | |
1836 | ||
1837 | if (usb_address == 0) { | |
719a72b7 | 1838 | get_port_number(r8a66597, urb->dev->devpath, |
5d304358 YS |
1839 | &root_port, &hub_port); |
1840 | set_devadd_reg(r8a66597, 0, | |
1841 | get_r8a66597_usb_speed(urb->dev->speed), | |
1842 | get_parent_r8a66597_address(r8a66597, urb->dev), | |
1843 | hub_port, root_port); | |
1844 | } | |
1845 | } | |
1846 | ||
1847 | static struct r8a66597_td *r8a66597_make_td(struct r8a66597 *r8a66597, | |
1848 | struct urb *urb, | |
e294531d | 1849 | struct usb_host_endpoint *hep) |
5d304358 YS |
1850 | { |
1851 | struct r8a66597_td *td; | |
1852 | u16 pipenum; | |
1853 | ||
e294531d | 1854 | td = kzalloc(sizeof(struct r8a66597_td), GFP_ATOMIC); |
5d304358 YS |
1855 | if (td == NULL) |
1856 | return NULL; | |
1857 | ||
1858 | pipenum = r8a66597_get_pipenum(urb, hep); | |
1859 | td->pipenum = pipenum; | |
1860 | td->pipe = hep->hcpriv; | |
1861 | td->urb = urb; | |
1862 | td->address = get_urb_to_r8a66597_addr(r8a66597, urb); | |
1863 | td->maxpacket = usb_maxpacket(urb->dev, urb->pipe, | |
1864 | !usb_pipein(urb->pipe)); | |
1865 | if (usb_pipecontrol(urb->pipe)) | |
1866 | td->type = USB_PID_SETUP; | |
1867 | else if (usb_pipein(urb->pipe)) | |
1868 | td->type = USB_PID_IN; | |
1869 | else | |
1870 | td->type = USB_PID_OUT; | |
1871 | INIT_LIST_HEAD(&td->queue); | |
1872 | ||
1873 | return td; | |
1874 | } | |
1875 | ||
1876 | static int r8a66597_urb_enqueue(struct usb_hcd *hcd, | |
5d304358 YS |
1877 | struct urb *urb, |
1878 | gfp_t mem_flags) | |
1879 | { | |
e9df41c5 | 1880 | struct usb_host_endpoint *hep = urb->ep; |
5d304358 YS |
1881 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); |
1882 | struct r8a66597_td *td = NULL; | |
e9df41c5 | 1883 | int ret, request = 0; |
5d304358 YS |
1884 | unsigned long flags; |
1885 | ||
1886 | spin_lock_irqsave(&r8a66597->lock, flags); | |
1887 | if (!get_urb_to_r8a66597_dev(r8a66597, urb)) { | |
1888 | ret = -ENODEV; | |
e9df41c5 | 1889 | goto error_not_linked; |
5d304358 YS |
1890 | } |
1891 | ||
e9df41c5 AS |
1892 | ret = usb_hcd_link_urb_to_ep(hcd, urb); |
1893 | if (ret) | |
1894 | goto error_not_linked; | |
1895 | ||
5d304358 | 1896 | if (!hep->hcpriv) { |
e294531d YS |
1897 | hep->hcpriv = kzalloc(sizeof(struct r8a66597_pipe), |
1898 | GFP_ATOMIC); | |
5d304358 YS |
1899 | if (!hep->hcpriv) { |
1900 | ret = -ENOMEM; | |
1901 | goto error; | |
1902 | } | |
1903 | set_pipe_reg_addr(hep->hcpriv, R8A66597_PIPE_NO_DMA); | |
1904 | if (usb_pipeendpoint(urb->pipe)) | |
1905 | init_pipe_info(r8a66597, urb, hep, &hep->desc); | |
1906 | } | |
1907 | ||
1908 | if (unlikely(check_pipe_config(r8a66597, urb))) | |
1909 | init_pipe_config(r8a66597, urb); | |
1910 | ||
1911 | set_address_zero(r8a66597, urb); | |
e294531d | 1912 | td = r8a66597_make_td(r8a66597, urb, hep); |
5d304358 YS |
1913 | if (td == NULL) { |
1914 | ret = -ENOMEM; | |
1915 | goto error; | |
1916 | } | |
1917 | if (list_empty(&r8a66597->pipe_queue[td->pipenum])) | |
1918 | request = 1; | |
1919 | list_add_tail(&td->queue, &r8a66597->pipe_queue[td->pipenum]); | |
5d304358 | 1920 | urb->hcpriv = td; |
5d304358 YS |
1921 | |
1922 | if (request) { | |
6d879107 YS |
1923 | if (td->pipe->info.timer_interval) { |
1924 | r8a66597->interval_map |= 1 << td->pipenum; | |
1925 | mod_timer(&r8a66597->interval_timer[td->pipenum], | |
1926 | jiffies + msecs_to_jiffies( | |
1927 | td->pipe->info.timer_interval)); | |
1928 | } else { | |
1929 | ret = start_transfer(r8a66597, td); | |
1930 | if (ret < 0) { | |
1931 | list_del(&td->queue); | |
1932 | kfree(td); | |
1933 | } | |
5d304358 YS |
1934 | } |
1935 | } else | |
1936 | set_td_timer(r8a66597, td); | |
1937 | ||
1938 | error: | |
e9df41c5 AS |
1939 | if (ret) |
1940 | usb_hcd_unlink_urb_from_ep(hcd, urb); | |
1941 | error_not_linked: | |
5d304358 YS |
1942 | spin_unlock_irqrestore(&r8a66597->lock, flags); |
1943 | return ret; | |
1944 | } | |
1945 | ||
e9df41c5 AS |
1946 | static int r8a66597_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, |
1947 | int status) | |
5d304358 YS |
1948 | { |
1949 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
1950 | struct r8a66597_td *td; | |
1951 | unsigned long flags; | |
e9df41c5 | 1952 | int rc; |
5d304358 YS |
1953 | |
1954 | spin_lock_irqsave(&r8a66597->lock, flags); | |
e9df41c5 AS |
1955 | rc = usb_hcd_check_unlink_urb(hcd, urb, status); |
1956 | if (rc) | |
1957 | goto done; | |
1958 | ||
5d304358 YS |
1959 | if (urb->hcpriv) { |
1960 | td = urb->hcpriv; | |
1961 | pipe_stop(r8a66597, td->pipe); | |
1962 | pipe_irq_disable(r8a66597, td->pipenum); | |
1963 | disable_irq_empty(r8a66597, td->pipenum); | |
888fda47 | 1964 | finish_request(r8a66597, td, td->pipenum, urb, status); |
5d304358 | 1965 | } |
e9df41c5 | 1966 | done: |
5d304358 | 1967 | spin_unlock_irqrestore(&r8a66597->lock, flags); |
e9df41c5 | 1968 | return rc; |
5d304358 YS |
1969 | } |
1970 | ||
1971 | static void r8a66597_endpoint_disable(struct usb_hcd *hcd, | |
1972 | struct usb_host_endpoint *hep) | |
1973 | { | |
1974 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
1975 | struct r8a66597_pipe *pipe = (struct r8a66597_pipe *)hep->hcpriv; | |
1976 | struct r8a66597_td *td; | |
1977 | struct urb *urb = NULL; | |
1978 | u16 pipenum; | |
1979 | unsigned long flags; | |
1980 | ||
1981 | if (pipe == NULL) | |
1982 | return; | |
1983 | pipenum = pipe->info.pipenum; | |
1984 | ||
1985 | if (pipenum == 0) { | |
1986 | kfree(hep->hcpriv); | |
1987 | hep->hcpriv = NULL; | |
1988 | return; | |
1989 | } | |
1990 | ||
1991 | spin_lock_irqsave(&r8a66597->lock, flags); | |
1992 | pipe_stop(r8a66597, pipe); | |
1993 | pipe_irq_disable(r8a66597, pipenum); | |
1994 | disable_irq_empty(r8a66597, pipenum); | |
1995 | td = r8a66597_get_td(r8a66597, pipenum); | |
1996 | if (td) | |
1997 | urb = td->urb; | |
888fda47 | 1998 | finish_request(r8a66597, td, pipenum, urb, -ESHUTDOWN); |
5d304358 YS |
1999 | kfree(hep->hcpriv); |
2000 | hep->hcpriv = NULL; | |
2001 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
2002 | } | |
2003 | ||
2004 | static int r8a66597_get_frame(struct usb_hcd *hcd) | |
2005 | { | |
2006 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
2007 | return r8a66597_read(r8a66597, FRMNUM) & 0x03FF; | |
2008 | } | |
2009 | ||
2010 | static void collect_usb_address_map(struct usb_device *udev, unsigned long *map) | |
2011 | { | |
2012 | int chix; | |
2013 | ||
2014 | if (udev->state == USB_STATE_CONFIGURED && | |
2015 | udev->parent && udev->parent->devnum > 1 && | |
2016 | udev->parent->descriptor.bDeviceClass == USB_CLASS_HUB) | |
2017 | map[udev->devnum/32] |= (1 << (udev->devnum % 32)); | |
2018 | ||
2019 | for (chix = 0; chix < udev->maxchild; chix++) { | |
2020 | struct usb_device *childdev = udev->children[chix]; | |
2021 | ||
2022 | if (childdev) | |
2023 | collect_usb_address_map(childdev, map); | |
2024 | } | |
2025 | } | |
2026 | ||
2027 | /* this function must be called with interrupt disabled */ | |
2028 | static struct r8a66597_device *get_r8a66597_device(struct r8a66597 *r8a66597, | |
2029 | int addr) | |
2030 | { | |
2031 | struct r8a66597_device *dev; | |
2032 | struct list_head *list = &r8a66597->child_device; | |
2033 | ||
2034 | list_for_each_entry(dev, list, device_list) { | |
5d304358 YS |
2035 | if (dev->usb_address != addr) |
2036 | continue; | |
2037 | ||
2038 | return dev; | |
2039 | } | |
2040 | ||
802f389a | 2041 | printk(KERN_ERR "r8a66597: get_r8a66597_device fail.(%d)\n", addr); |
5d304358 YS |
2042 | return NULL; |
2043 | } | |
2044 | ||
2045 | static void update_usb_address_map(struct r8a66597 *r8a66597, | |
2046 | struct usb_device *root_hub, | |
2047 | unsigned long *map) | |
2048 | { | |
2049 | int i, j, addr; | |
2050 | unsigned long diff; | |
2051 | unsigned long flags; | |
2052 | ||
2053 | for (i = 0; i < 4; i++) { | |
2054 | diff = r8a66597->child_connect_map[i] ^ map[i]; | |
2055 | if (!diff) | |
2056 | continue; | |
2057 | ||
2058 | for (j = 0; j < 32; j++) { | |
2059 | if (!(diff & (1 << j))) | |
2060 | continue; | |
2061 | ||
2062 | addr = i * 32 + j; | |
2063 | if (map[i] & (1 << j)) | |
2064 | set_child_connect_map(r8a66597, addr); | |
2065 | else { | |
2066 | struct r8a66597_device *dev; | |
2067 | ||
2068 | spin_lock_irqsave(&r8a66597->lock, flags); | |
2069 | dev = get_r8a66597_device(r8a66597, addr); | |
2070 | disable_r8a66597_pipe_all(r8a66597, dev); | |
2071 | free_usb_address(r8a66597, dev); | |
2072 | put_child_connect_map(r8a66597, addr); | |
2073 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
2074 | } | |
2075 | } | |
2076 | } | |
2077 | } | |
2078 | ||
2079 | static void r8a66597_check_detect_child(struct r8a66597 *r8a66597, | |
2080 | struct usb_hcd *hcd) | |
2081 | { | |
2082 | struct usb_bus *bus; | |
2083 | unsigned long now_map[4]; | |
2084 | ||
2085 | memset(now_map, 0, sizeof(now_map)); | |
2086 | ||
2087 | list_for_each_entry(bus, &usb_bus_list, bus_list) { | |
2088 | if (!bus->root_hub) | |
2089 | continue; | |
2090 | ||
2091 | if (bus->busnum != hcd->self.busnum) | |
2092 | continue; | |
2093 | ||
2094 | collect_usb_address_map(bus->root_hub, now_map); | |
2095 | update_usb_address_map(r8a66597, bus->root_hub, now_map); | |
2096 | } | |
2097 | } | |
2098 | ||
2099 | static int r8a66597_hub_status_data(struct usb_hcd *hcd, char *buf) | |
2100 | { | |
2101 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
2102 | unsigned long flags; | |
2103 | int i; | |
2104 | ||
2105 | r8a66597_check_detect_child(r8a66597, hcd); | |
2106 | ||
2107 | spin_lock_irqsave(&r8a66597->lock, flags); | |
2108 | ||
2109 | *buf = 0; /* initialize (no change) */ | |
2110 | ||
719a72b7 | 2111 | for (i = 0; i < r8a66597->max_root_hub; i++) { |
5d304358 YS |
2112 | if (r8a66597->root_hub[i].port & 0xffff0000) |
2113 | *buf |= 1 << (i + 1); | |
2114 | } | |
2115 | ||
2116 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
2117 | ||
2118 | return (*buf != 0); | |
2119 | } | |
2120 | ||
2121 | static void r8a66597_hub_descriptor(struct r8a66597 *r8a66597, | |
2122 | struct usb_hub_descriptor *desc) | |
2123 | { | |
2124 | desc->bDescriptorType = 0x29; | |
2125 | desc->bHubContrCurrent = 0; | |
719a72b7 | 2126 | desc->bNbrPorts = r8a66597->max_root_hub; |
5d304358 YS |
2127 | desc->bDescLength = 9; |
2128 | desc->bPwrOn2PwrGood = 0; | |
2129 | desc->wHubCharacteristics = cpu_to_le16(0x0011); | |
719a72b7 | 2130 | desc->bitmap[0] = ((1 << r8a66597->max_root_hub) - 1) << 1; |
5d304358 YS |
2131 | desc->bitmap[1] = ~0; |
2132 | } | |
2133 | ||
2134 | static int r8a66597_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, | |
2135 | u16 wIndex, char *buf, u16 wLength) | |
2136 | { | |
2137 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
2138 | int ret; | |
2139 | int port = (wIndex & 0x00FF) - 1; | |
2140 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; | |
2141 | unsigned long flags; | |
2142 | ||
2143 | ret = 0; | |
2144 | ||
2145 | spin_lock_irqsave(&r8a66597->lock, flags); | |
2146 | switch (typeReq) { | |
2147 | case ClearHubFeature: | |
2148 | case SetHubFeature: | |
2149 | switch (wValue) { | |
2150 | case C_HUB_OVER_CURRENT: | |
2151 | case C_HUB_LOCAL_POWER: | |
2152 | break; | |
2153 | default: | |
2154 | goto error; | |
2155 | } | |
2156 | break; | |
2157 | case ClearPortFeature: | |
719a72b7 | 2158 | if (wIndex > r8a66597->max_root_hub) |
5d304358 YS |
2159 | goto error; |
2160 | if (wLength != 0) | |
2161 | goto error; | |
2162 | ||
2163 | switch (wValue) { | |
2164 | case USB_PORT_FEAT_ENABLE: | |
e1e609be | 2165 | rh->port &= ~(1 << USB_PORT_FEAT_POWER); |
5d304358 YS |
2166 | break; |
2167 | case USB_PORT_FEAT_SUSPEND: | |
2168 | break; | |
2169 | case USB_PORT_FEAT_POWER: | |
2170 | r8a66597_port_power(r8a66597, port, 0); | |
2171 | break; | |
2172 | case USB_PORT_FEAT_C_ENABLE: | |
2173 | case USB_PORT_FEAT_C_SUSPEND: | |
2174 | case USB_PORT_FEAT_C_CONNECTION: | |
2175 | case USB_PORT_FEAT_C_OVER_CURRENT: | |
2176 | case USB_PORT_FEAT_C_RESET: | |
2177 | break; | |
2178 | default: | |
2179 | goto error; | |
2180 | } | |
2181 | rh->port &= ~(1 << wValue); | |
2182 | break; | |
2183 | case GetHubDescriptor: | |
2184 | r8a66597_hub_descriptor(r8a66597, | |
2185 | (struct usb_hub_descriptor *)buf); | |
2186 | break; | |
2187 | case GetHubStatus: | |
2188 | *buf = 0x00; | |
2189 | break; | |
2190 | case GetPortStatus: | |
719a72b7 | 2191 | if (wIndex > r8a66597->max_root_hub) |
5d304358 | 2192 | goto error; |
fd05e720 | 2193 | *(__le32 *)buf = cpu_to_le32(rh->port); |
5d304358 YS |
2194 | break; |
2195 | case SetPortFeature: | |
719a72b7 | 2196 | if (wIndex > r8a66597->max_root_hub) |
5d304358 YS |
2197 | goto error; |
2198 | if (wLength != 0) | |
2199 | goto error; | |
2200 | ||
2201 | switch (wValue) { | |
2202 | case USB_PORT_FEAT_SUSPEND: | |
2203 | break; | |
2204 | case USB_PORT_FEAT_POWER: | |
2205 | r8a66597_port_power(r8a66597, port, 1); | |
2206 | rh->port |= (1 << USB_PORT_FEAT_POWER); | |
2207 | break; | |
2208 | case USB_PORT_FEAT_RESET: { | |
2209 | struct r8a66597_device *dev = rh->dev; | |
2210 | ||
2211 | rh->port |= (1 << USB_PORT_FEAT_RESET); | |
2212 | ||
2213 | disable_r8a66597_pipe_all(r8a66597, dev); | |
2214 | free_usb_address(r8a66597, dev); | |
2215 | ||
2216 | r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT, | |
2217 | get_dvstctr_reg(port)); | |
2218 | mod_timer(&r8a66597->rh_timer, | |
2219 | jiffies + msecs_to_jiffies(50)); | |
2220 | } | |
2221 | break; | |
2222 | default: | |
2223 | goto error; | |
2224 | } | |
2225 | rh->port |= 1 << wValue; | |
2226 | break; | |
2227 | default: | |
2228 | error: | |
2229 | ret = -EPIPE; | |
2230 | break; | |
2231 | } | |
2232 | ||
2233 | spin_unlock_irqrestore(&r8a66597->lock, flags); | |
2234 | return ret; | |
2235 | } | |
2236 | ||
e1e609be YS |
2237 | #if defined(CONFIG_PM) |
2238 | static int r8a66597_bus_suspend(struct usb_hcd *hcd) | |
2239 | { | |
2240 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
2241 | int port; | |
2242 | ||
2243 | dbg("%s", __func__); | |
2244 | ||
719a72b7 | 2245 | for (port = 0; port < r8a66597->max_root_hub; port++) { |
e1e609be YS |
2246 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; |
2247 | unsigned long dvstctr_reg = get_dvstctr_reg(port); | |
2248 | ||
2249 | if (!(rh->port & (1 << USB_PORT_FEAT_ENABLE))) | |
2250 | continue; | |
2251 | ||
2252 | dbg("suspend port = %d", port); | |
2253 | r8a66597_bclr(r8a66597, UACT, dvstctr_reg); /* suspend */ | |
2254 | rh->port |= 1 << USB_PORT_FEAT_SUSPEND; | |
2255 | ||
2256 | if (rh->dev->udev->do_remote_wakeup) { | |
2257 | msleep(3); /* waiting last SOF */ | |
2258 | r8a66597_bset(r8a66597, RWUPE, dvstctr_reg); | |
2259 | r8a66597_write(r8a66597, ~BCHG, get_intsts_reg(port)); | |
2260 | r8a66597_bset(r8a66597, BCHGE, get_intenb_reg(port)); | |
2261 | } | |
2262 | } | |
2263 | ||
2264 | r8a66597->bus_suspended = 1; | |
2265 | ||
2266 | return 0; | |
2267 | } | |
2268 | ||
2269 | static int r8a66597_bus_resume(struct usb_hcd *hcd) | |
2270 | { | |
2271 | struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); | |
2272 | int port; | |
2273 | ||
2274 | dbg("%s", __func__); | |
2275 | ||
719a72b7 | 2276 | for (port = 0; port < r8a66597->max_root_hub; port++) { |
e1e609be YS |
2277 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; |
2278 | unsigned long dvstctr_reg = get_dvstctr_reg(port); | |
2279 | ||
2280 | if (!(rh->port & (1 << USB_PORT_FEAT_SUSPEND))) | |
2281 | continue; | |
2282 | ||
2283 | dbg("resume port = %d", port); | |
2284 | rh->port &= ~(1 << USB_PORT_FEAT_SUSPEND); | |
2285 | rh->port |= 1 << USB_PORT_FEAT_C_SUSPEND; | |
2286 | r8a66597_mdfy(r8a66597, RESUME, RESUME | UACT, dvstctr_reg); | |
2287 | msleep(50); | |
2288 | r8a66597_mdfy(r8a66597, UACT, RESUME | UACT, dvstctr_reg); | |
2289 | } | |
2290 | ||
2291 | return 0; | |
2292 | ||
2293 | } | |
2294 | #else | |
2295 | #define r8a66597_bus_suspend NULL | |
2296 | #define r8a66597_bus_resume NULL | |
2297 | #endif | |
2298 | ||
5d304358 YS |
2299 | static struct hc_driver r8a66597_hc_driver = { |
2300 | .description = hcd_name, | |
2301 | .hcd_priv_size = sizeof(struct r8a66597), | |
2302 | .irq = r8a66597_irq, | |
2303 | ||
2304 | /* | |
2305 | * generic hardware linkage | |
2306 | */ | |
2307 | .flags = HCD_USB2, | |
2308 | ||
2309 | .start = r8a66597_start, | |
2310 | .stop = r8a66597_stop, | |
2311 | ||
2312 | /* | |
2313 | * managing i/o requests and associated device resources | |
2314 | */ | |
2315 | .urb_enqueue = r8a66597_urb_enqueue, | |
2316 | .urb_dequeue = r8a66597_urb_dequeue, | |
2317 | .endpoint_disable = r8a66597_endpoint_disable, | |
2318 | ||
2319 | /* | |
2320 | * periodic schedule support | |
2321 | */ | |
2322 | .get_frame_number = r8a66597_get_frame, | |
2323 | ||
2324 | /* | |
2325 | * root hub support | |
2326 | */ | |
2327 | .hub_status_data = r8a66597_hub_status_data, | |
2328 | .hub_control = r8a66597_hub_control, | |
e1e609be YS |
2329 | .bus_suspend = r8a66597_bus_suspend, |
2330 | .bus_resume = r8a66597_bus_resume, | |
5d304358 YS |
2331 | }; |
2332 | ||
2333 | #if defined(CONFIG_PM) | |
ae1cef6e | 2334 | static int r8a66597_suspend(struct device *dev) |
5d304358 | 2335 | { |
ae1cef6e | 2336 | struct r8a66597 *r8a66597 = dev_get_drvdata(dev); |
e1e609be YS |
2337 | int port; |
2338 | ||
2339 | dbg("%s", __func__); | |
2340 | ||
2341 | disable_controller(r8a66597); | |
2342 | ||
719a72b7 | 2343 | for (port = 0; port < r8a66597->max_root_hub; port++) { |
e1e609be YS |
2344 | struct r8a66597_root_hub *rh = &r8a66597->root_hub[port]; |
2345 | ||
2346 | rh->port = 0x00000000; | |
2347 | } | |
2348 | ||
5d304358 YS |
2349 | return 0; |
2350 | } | |
2351 | ||
ae1cef6e | 2352 | static int r8a66597_resume(struct device *dev) |
5d304358 | 2353 | { |
ae1cef6e | 2354 | struct r8a66597 *r8a66597 = dev_get_drvdata(dev); |
e1e609be YS |
2355 | struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597); |
2356 | ||
2357 | dbg("%s", __func__); | |
2358 | ||
2359 | enable_controller(r8a66597); | |
2360 | usb_root_hub_lost_power(hcd->self.root_hub); | |
2361 | ||
5d304358 YS |
2362 | return 0; |
2363 | } | |
ae1cef6e | 2364 | |
47145210 | 2365 | static const struct dev_pm_ops r8a66597_dev_pm_ops = { |
ae1cef6e MD |
2366 | .suspend = r8a66597_suspend, |
2367 | .resume = r8a66597_resume, | |
3725f28b YS |
2368 | .poweroff = r8a66597_suspend, |
2369 | .restore = r8a66597_resume, | |
ae1cef6e MD |
2370 | }; |
2371 | ||
2372 | #define R8A66597_DEV_PM_OPS (&r8a66597_dev_pm_ops) | |
5d304358 | 2373 | #else /* if defined(CONFIG_PM) */ |
ae1cef6e | 2374 | #define R8A66597_DEV_PM_OPS NULL |
5d304358 YS |
2375 | #endif |
2376 | ||
2377 | static int __init_or_module r8a66597_remove(struct platform_device *pdev) | |
2378 | { | |
2379 | struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev); | |
2380 | struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597); | |
2381 | ||
2382 | del_timer_sync(&r8a66597->rh_timer); | |
5d304358 | 2383 | usb_remove_hcd(hcd); |
ca0677a2 | 2384 | iounmap((void *)r8a66597->reg); |
719a72b7 MD |
2385 | #ifdef CONFIG_HAVE_CLK |
2386 | if (r8a66597->pdata->on_chip) | |
2387 | clk_put(r8a66597->clk); | |
765786e0 | 2388 | #endif |
5d304358 YS |
2389 | usb_put_hcd(hcd); |
2390 | return 0; | |
2391 | } | |
2392 | ||
8864bd86 | 2393 | static int __devinit r8a66597_probe(struct platform_device *pdev) |
5d304358 | 2394 | { |
719a72b7 | 2395 | #ifdef CONFIG_HAVE_CLK |
765786e0 MD |
2396 | char clk_name[8]; |
2397 | #endif | |
27140219 | 2398 | struct resource *res = NULL, *ires; |
5d304358 YS |
2399 | int irq = -1; |
2400 | void __iomem *reg = NULL; | |
2401 | struct usb_hcd *hcd = NULL; | |
2402 | struct r8a66597 *r8a66597; | |
2403 | int ret = 0; | |
2404 | int i; | |
0bf32b80 | 2405 | unsigned long irq_trigger; |
5d304358 YS |
2406 | |
2407 | if (pdev->dev.dma_mask) { | |
2408 | ret = -EINVAL; | |
802f389a | 2409 | dev_err(&pdev->dev, "dma not supported\n"); |
5d304358 YS |
2410 | goto clean_up; |
2411 | } | |
2412 | ||
0a2e5b9b | 2413 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
5d304358 YS |
2414 | if (!res) { |
2415 | ret = -ENODEV; | |
0a2e5b9b | 2416 | dev_err(&pdev->dev, "platform_get_resource error.\n"); |
5d304358 YS |
2417 | goto clean_up; |
2418 | } | |
2419 | ||
27140219 MZ |
2420 | ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
2421 | if (!ires) { | |
5d304358 | 2422 | ret = -ENODEV; |
802f389a GKH |
2423 | dev_err(&pdev->dev, |
2424 | "platform_get_resource IORESOURCE_IRQ error.\n"); | |
5d304358 YS |
2425 | goto clean_up; |
2426 | } | |
2427 | ||
27140219 MZ |
2428 | irq = ires->start; |
2429 | irq_trigger = ires->flags & IRQF_TRIGGER_MASK; | |
2430 | ||
0a2e5b9b | 2431 | reg = ioremap(res->start, resource_size(res)); |
5d304358 YS |
2432 | if (reg == NULL) { |
2433 | ret = -ENOMEM; | |
802f389a | 2434 | dev_err(&pdev->dev, "ioremap error.\n"); |
5d304358 YS |
2435 | goto clean_up; |
2436 | } | |
2437 | ||
5effabbe YS |
2438 | if (pdev->dev.platform_data == NULL) { |
2439 | dev_err(&pdev->dev, "no platform data\n"); | |
2440 | ret = -ENODEV; | |
2441 | goto clean_up; | |
2442 | } | |
2443 | ||
5d304358 YS |
2444 | /* initialize hcd */ |
2445 | hcd = usb_create_hcd(&r8a66597_hc_driver, &pdev->dev, (char *)hcd_name); | |
2446 | if (!hcd) { | |
2447 | ret = -ENOMEM; | |
802f389a | 2448 | dev_err(&pdev->dev, "Failed to create hcd\n"); |
5d304358 YS |
2449 | goto clean_up; |
2450 | } | |
2451 | r8a66597 = hcd_to_r8a66597(hcd); | |
2452 | memset(r8a66597, 0, sizeof(struct r8a66597)); | |
2453 | dev_set_drvdata(&pdev->dev, r8a66597); | |
5effabbe YS |
2454 | r8a66597->pdata = pdev->dev.platform_data; |
2455 | r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW; | |
5d304358 | 2456 | |
719a72b7 MD |
2457 | if (r8a66597->pdata->on_chip) { |
2458 | #ifdef CONFIG_HAVE_CLK | |
2459 | snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id); | |
2460 | r8a66597->clk = clk_get(&pdev->dev, clk_name); | |
2461 | if (IS_ERR(r8a66597->clk)) { | |
2462 | dev_err(&pdev->dev, "cannot get clock \"%s\"\n", | |
2463 | clk_name); | |
2464 | ret = PTR_ERR(r8a66597->clk); | |
2465 | goto clean_up2; | |
2466 | } | |
765786e0 | 2467 | #endif |
719a72b7 MD |
2468 | r8a66597->max_root_hub = 1; |
2469 | } else | |
2470 | r8a66597->max_root_hub = 2; | |
765786e0 | 2471 | |
5d304358 YS |
2472 | spin_lock_init(&r8a66597->lock); |
2473 | init_timer(&r8a66597->rh_timer); | |
2474 | r8a66597->rh_timer.function = r8a66597_timer; | |
2475 | r8a66597->rh_timer.data = (unsigned long)r8a66597; | |
2476 | r8a66597->reg = (unsigned long)reg; | |
2477 | ||
e5ff15be MD |
2478 | /* make sure no interrupts are pending */ |
2479 | ret = r8a66597_clock_enable(r8a66597); | |
2480 | if (ret < 0) | |
2481 | goto clean_up3; | |
2482 | disable_controller(r8a66597); | |
2483 | ||
5d304358 YS |
2484 | for (i = 0; i < R8A66597_MAX_NUM_PIPE; i++) { |
2485 | INIT_LIST_HEAD(&r8a66597->pipe_queue[i]); | |
2486 | init_timer(&r8a66597->td_timer[i]); | |
2487 | r8a66597->td_timer[i].function = r8a66597_td_timer; | |
2488 | r8a66597->td_timer[i].data = (unsigned long)r8a66597; | |
6d879107 YS |
2489 | setup_timer(&r8a66597->interval_timer[i], |
2490 | r8a66597_interval_timer, | |
2491 | (unsigned long)r8a66597); | |
5d304358 YS |
2492 | } |
2493 | INIT_LIST_HEAD(&r8a66597->child_device); | |
2494 | ||
2495 | hcd->rsrc_start = res->start; | |
27140219 | 2496 | |
0bf32b80 | 2497 | ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger); |
5d304358 | 2498 | if (ret != 0) { |
802f389a | 2499 | dev_err(&pdev->dev, "Failed to add hcd\n"); |
765786e0 | 2500 | goto clean_up3; |
5d304358 YS |
2501 | } |
2502 | ||
2503 | return 0; | |
2504 | ||
765786e0 | 2505 | clean_up3: |
719a72b7 MD |
2506 | #ifdef CONFIG_HAVE_CLK |
2507 | if (r8a66597->pdata->on_chip) | |
2508 | clk_put(r8a66597->clk); | |
765786e0 | 2509 | clean_up2: |
d6435102 | 2510 | #endif |
765786e0 MD |
2511 | usb_put_hcd(hcd); |
2512 | ||
5d304358 YS |
2513 | clean_up: |
2514 | if (reg) | |
2515 | iounmap(reg); | |
5d304358 YS |
2516 | |
2517 | return ret; | |
2518 | } | |
2519 | ||
2520 | static struct platform_driver r8a66597_driver = { | |
2521 | .probe = r8a66597_probe, | |
2522 | .remove = r8a66597_remove, | |
5d304358 YS |
2523 | .driver = { |
2524 | .name = (char *) hcd_name, | |
f4fce61d | 2525 | .owner = THIS_MODULE, |
ae1cef6e | 2526 | .pm = R8A66597_DEV_PM_OPS, |
5d304358 YS |
2527 | }, |
2528 | }; | |
2529 | ||
2530 | static int __init r8a66597_init(void) | |
2531 | { | |
2532 | if (usb_disabled()) | |
2533 | return -ENODEV; | |
2534 | ||
5909f6ea GKH |
2535 | printk(KERN_INFO KBUILD_MODNAME ": driver %s, %s\n", hcd_name, |
2536 | DRIVER_VERSION); | |
5d304358 YS |
2537 | return platform_driver_register(&r8a66597_driver); |
2538 | } | |
2539 | module_init(r8a66597_init); | |
2540 | ||
2541 | static void __exit r8a66597_cleanup(void) | |
2542 | { | |
2543 | platform_driver_unregister(&r8a66597_driver); | |
2544 | } | |
2545 | module_exit(r8a66597_cleanup); | |
2546 |