2 * R8A66597 HCD (Host Controller Driver)
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
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.
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.
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
26 #ifndef __R8A66597_H__
27 #define __R8A66597_H__
29 #include <linux/clk.h>
30 #include <linux/usb/r8a66597.h>
32 #define R8A66597_MAX_NUM_PIPE 10
33 #define R8A66597_BUF_BSIZE 8
34 #define R8A66597_MAX_DEVICE 10
35 #define R8A66597_MAX_ROOT_HUB 2
36 #define R8A66597_MAX_SAMPLING 5
37 #define R8A66597_RH_POLL_TIME 10
38 #define R8A66597_MAX_DMA_CHANNEL 2
39 #define R8A66597_PIPE_NO_DMA R8A66597_MAX_DMA_CHANNEL
40 #define check_bulk_or_isoc(pipenum) ((pipenum >= 1 && pipenum <= 5))
41 #define check_interrupt(pipenum) ((pipenum >= 6 && pipenum <= 9))
42 #define make_devsel(addr) (addr << 12)
44 struct r8a66597_pipe_info {
45 unsigned long timer_interval;
47 u16 address; /* R8A66597 HCD usb address */
57 struct r8a66597_pipe {
58 struct r8a66597_pipe_info info;
60 unsigned long fifoaddr;
61 unsigned long fifosel;
62 unsigned long fifoctr;
63 unsigned long pipectr;
64 unsigned long pipetre;
65 unsigned long pipetrn;
69 struct r8a66597_pipe *pipe;
71 struct list_head queue;
77 u16 address; /* R8A66597's USB address */
80 unsigned zero_packet:1;
81 unsigned short_packet:1;
82 unsigned set_address:1;
85 struct r8a66597_device {
86 u16 address; /* R8A66597's USB address */
90 unsigned short ep_in_toggle;
91 unsigned short ep_out_toggle;
92 unsigned char pipe_cnt[R8A66597_MAX_NUM_PIPE];
93 unsigned char dma_map;
95 enum usb_device_state state;
97 struct usb_device *udev;
99 struct list_head device_list;
102 struct r8a66597_root_hub {
107 struct r8a66597_device *dev;
114 struct r8a66597_platdata *pdata;
115 struct r8a66597_device device0;
116 struct r8a66597_root_hub root_hub[R8A66597_MAX_ROOT_HUB];
117 struct list_head pipe_queue[R8A66597_MAX_NUM_PIPE];
119 struct timer_list rh_timer;
120 struct timer_list td_timer[R8A66597_MAX_NUM_PIPE];
121 struct timer_list interval_timer[R8A66597_MAX_NUM_PIPE];
123 unsigned short address_map;
124 unsigned short timeout_map;
125 unsigned short interval_map;
126 unsigned char pipe_cnt[R8A66597_MAX_NUM_PIPE];
127 unsigned char dma_map;
128 unsigned int max_root_hub;
130 struct list_head child_device;
131 unsigned long child_connect_map[4];
133 unsigned bus_suspended:1;
134 unsigned irq_sense_low:1;
137 static inline struct r8a66597 *hcd_to_r8a66597(struct usb_hcd *hcd)
139 return (struct r8a66597 *)(hcd->hcd_priv);
142 static inline struct usb_hcd *r8a66597_to_hcd(struct r8a66597 *r8a66597)
144 return container_of((void *)r8a66597, struct usb_hcd, hcd_priv);
147 static inline struct r8a66597_td *r8a66597_get_td(struct r8a66597 *r8a66597,
150 if (unlikely(list_empty(&r8a66597->pipe_queue[pipenum])))
153 return list_entry(r8a66597->pipe_queue[pipenum].next,
154 struct r8a66597_td, queue);
157 static inline struct urb *r8a66597_get_urb(struct r8a66597 *r8a66597,
160 struct r8a66597_td *td;
162 td = r8a66597_get_td(r8a66597, pipenum);
163 return (td ? td->urb : NULL);
166 static inline u16 r8a66597_read(struct r8a66597 *r8a66597, unsigned long offset)
168 return ioread16(r8a66597->reg + offset);
171 static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597,
172 unsigned long offset, u16 *buf,
175 void __iomem *fifoaddr = r8a66597->reg + offset;
178 if (r8a66597->pdata->on_chip) {
180 ioread32_rep(fifoaddr, buf, count);
182 if (len & 0x00000003) {
183 unsigned long tmp = ioread32(fifoaddr);
184 memcpy((unsigned char *)buf + count * 4, &tmp,
189 ioread16_rep(fifoaddr, buf, len);
193 static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
194 unsigned long offset)
196 iowrite16(val, r8a66597->reg + offset);
199 static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
200 u16 val, u16 pat, unsigned long offset)
203 tmp = r8a66597_read(r8a66597, offset);
206 r8a66597_write(r8a66597, tmp, offset);
209 #define r8a66597_bclr(r8a66597, val, offset) \
210 r8a66597_mdfy(r8a66597, 0, val, offset)
211 #define r8a66597_bset(r8a66597, val, offset) \
212 r8a66597_mdfy(r8a66597, val, 0, offset)
214 static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
215 struct r8a66597_pipe *pipe, u16 *buf,
218 void __iomem *fifoaddr = r8a66597->reg + pipe->fifoaddr;
223 if (r8a66597->pdata->on_chip) {
225 iowrite32_rep(fifoaddr, buf, count);
227 if (len & 0x00000003) {
228 pb = (unsigned char *)buf + count * 4;
229 for (i = 0; i < (len & 0x00000003); i++) {
230 if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
231 iowrite8(pb[i], fifoaddr + i);
233 iowrite8(pb[i], fifoaddr + 3 - i);
237 int odd = len & 0x0001;
240 iowrite16_rep(fifoaddr, buf, len);
243 if (r8a66597->pdata->wr0_shorted_to_wr1)
244 r8a66597_bclr(r8a66597, MBW_16, pipe->fifosel);
245 iowrite8((unsigned char)*buf, fifoaddr);
246 if (r8a66597->pdata->wr0_shorted_to_wr1)
247 r8a66597_bset(r8a66597, MBW_16, pipe->fifosel);
252 static inline unsigned long get_syscfg_reg(int port)
254 return port == 0 ? SYSCFG0 : SYSCFG1;
257 static inline unsigned long get_syssts_reg(int port)
259 return port == 0 ? SYSSTS0 : SYSSTS1;
262 static inline unsigned long get_dvstctr_reg(int port)
264 return port == 0 ? DVSTCTR0 : DVSTCTR1;
267 static inline unsigned long get_dmacfg_reg(int port)
269 return port == 0 ? DMA0CFG : DMA1CFG;
272 static inline unsigned long get_intenb_reg(int port)
274 return port == 0 ? INTENB1 : INTENB2;
277 static inline unsigned long get_intsts_reg(int port)
279 return port == 0 ? INTSTS1 : INTSTS2;
282 static inline u16 get_rh_usb_speed(struct r8a66597 *r8a66597, int port)
284 unsigned long dvstctr_reg = get_dvstctr_reg(port);
286 return r8a66597_read(r8a66597, dvstctr_reg) & RHST;
289 static inline void r8a66597_port_power(struct r8a66597 *r8a66597, int port,
292 unsigned long dvstctr_reg = get_dvstctr_reg(port);
294 if (r8a66597->pdata->port_power) {
295 r8a66597->pdata->port_power(port, power);
298 r8a66597_bset(r8a66597, VBOUT, dvstctr_reg);
300 r8a66597_bclr(r8a66597, VBOUT, dvstctr_reg);
304 static inline u16 get_xtal_from_pdata(struct r8a66597_platdata *pdata)
308 switch (pdata->xtal) {
309 case R8A66597_PLATDATA_XTAL_12MHZ:
312 case R8A66597_PLATDATA_XTAL_24MHZ:
315 case R8A66597_PLATDATA_XTAL_48MHZ:
319 printk(KERN_ERR "r8a66597: platdata clock is wrong.\n");
326 #define get_pipectr_addr(pipenum) (PIPE1CTR + (pipenum - 1) * 2)
327 #define get_pipetre_addr(pipenum) (PIPE1TRE + (pipenum - 1) * 4)
328 #define get_pipetrn_addr(pipenum) (PIPE1TRN + (pipenum - 1) * 4)
329 #define get_devadd_addr(address) (DEVADD0 + address * 2)
331 #define enable_irq_ready(r8a66597, pipenum) \
332 enable_pipe_irq(r8a66597, pipenum, BRDYENB)
333 #define disable_irq_ready(r8a66597, pipenum) \
334 disable_pipe_irq(r8a66597, pipenum, BRDYENB)
335 #define enable_irq_empty(r8a66597, pipenum) \
336 enable_pipe_irq(r8a66597, pipenum, BEMPENB)
337 #define disable_irq_empty(r8a66597, pipenum) \
338 disable_pipe_irq(r8a66597, pipenum, BEMPENB)
339 #define enable_irq_nrdy(r8a66597, pipenum) \
340 enable_pipe_irq(r8a66597, pipenum, NRDYENB)
341 #define disable_irq_nrdy(r8a66597, pipenum) \
342 disable_pipe_irq(r8a66597, pipenum, NRDYENB)
344 #endif /* __R8A66597_H__ */