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Diffstat (limited to 'drivers/usb/gadget/m66592-udc.h')
-rw-r--r--drivers/usb/gadget/m66592-udc.h134
1 files changed, 62 insertions, 72 deletions
diff --git a/drivers/usb/gadget/m66592-udc.h b/drivers/usb/gadget/m66592-udc.h
index 286ce07e796..96d49d7bfb6 100644
--- a/drivers/usb/gadget/m66592-udc.h
+++ b/drivers/usb/gadget/m66592-udc.h
@@ -3,29 +3,18 @@
*
* Copyright (C) 2006-2007 Renesas Solutions Corp.
*
- * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
+ * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
#ifndef __M66592_UDC_H__
#define __M66592_UDC_H__
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
#include <linux/clk.h>
-#endif
+#include <linux/usb/m66592.h>
#define M66592_SYSCFG 0x00
#define M66592_XTAL 0xC000 /* b15-14: Crystal selection */
@@ -76,11 +65,11 @@
#define M66592_P_TST_J 0x0001 /* PERI TEST J */
#define M66592_P_TST_NORMAL 0x0000 /* PERI Normal Mode */
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
+/* built-in registers */
#define M66592_CFBCFG 0x0A
#define M66592_D0FBCFG 0x0C
#define M66592_LITTLE 0x0100 /* b8: Little endian mode */
-#else
+/* external chip case */
#define M66592_PINCFG 0x0A
#define M66592_LDRV 0x8000 /* b15: Drive Current Adjust */
#define M66592_BIGEND 0x0100 /* b8: Big endian mode */
@@ -100,8 +89,8 @@
#define M66592_PKTM 0x0020 /* b5: Packet mode */
#define M66592_DENDE 0x0010 /* b4: Dend enable */
#define M66592_OBUS 0x0004 /* b2: OUTbus mode */
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
+/* common case */
#define M66592_CFIFO 0x10
#define M66592_D0FIFO 0x14
#define M66592_D1FIFO 0x18
@@ -113,13 +102,9 @@
#define M66592_REW 0x4000 /* b14: Buffer rewind */
#define M66592_DCLRM 0x2000 /* b13: DMA buffer clear mode */
#define M66592_DREQE 0x1000 /* b12: DREQ output enable */
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
-#define M66592_MBW 0x0800 /* b11: Maximum bit width for FIFO */
-#else
-#define M66592_MBW 0x0400 /* b10: Maximum bit width for FIFO */
-#define M66592_MBW_8 0x0000 /* 8bit */
-#define M66592_MBW_16 0x0400 /* 16bit */
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
+#define M66592_MBW_8 0x0000 /* 8bit */
+#define M66592_MBW_16 0x0400 /* 16bit */
+#define M66592_MBW_32 0x0800 /* 32bit */
#define M66592_TRENB 0x0200 /* b9: Transaction counter enable */
#define M66592_TRCLR 0x0100 /* b8: Transaction counter clear */
#define M66592_DEZPM 0x0080 /* b7: Zero-length packet mode */
@@ -468,7 +453,7 @@ struct m66592_ep {
unsigned use_dma:1;
u16 pipenum;
u16 type;
- const struct usb_endpoint_descriptor *desc;
+
/* register address */
unsigned long fifoaddr;
unsigned long fifosel;
@@ -480,9 +465,9 @@ struct m66592_ep {
struct m66592 {
spinlock_t lock;
void __iomem *reg;
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
struct clk *clk;
-#endif
+ struct m66592_platdata *pdata;
+ unsigned long irq_trigger;
struct usb_gadget gadget;
struct usb_gadget_driver *driver;
@@ -506,8 +491,8 @@ struct m66592 {
int interrupt;
int isochronous;
int num_dma;
- int bi_bufnum; /* bulk and isochronous's bufnum */
};
+#define to_m66592(g) (container_of((g), struct m66592, gadget))
#define gadget_to_m66592(_gadget) container_of(_gadget, struct m66592, gadget)
#define m66592_to_gadget(m66592) (&m66592->gadget)
@@ -538,62 +523,28 @@ struct m66592 {
/*-------------------------------------------------------------------------*/
static inline u16 m66592_read(struct m66592 *m66592, unsigned long offset)
{
- return inw((unsigned long)m66592->reg + offset);
+ return ioread16(m66592->reg + offset);
}
static inline void m66592_read_fifo(struct m66592 *m66592,
unsigned long offset,
void *buf, unsigned long len)
{
- unsigned long fifoaddr = (unsigned long)m66592->reg + offset;
-
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
- len = (len + 3) / 4;
- insl(fifoaddr, buf, len);
-#else
- len = (len + 1) / 2;
- insw(fifoaddr, buf, len);
-#endif
+ void __iomem *fifoaddr = m66592->reg + offset;
+
+ if (m66592->pdata->on_chip) {
+ len = (len + 3) / 4;
+ ioread32_rep(fifoaddr, buf, len);
+ } else {
+ len = (len + 1) / 2;
+ ioread16_rep(fifoaddr, buf, len);
+ }
}
static inline void m66592_write(struct m66592 *m66592, u16 val,
unsigned long offset)
{
- outw(val, (unsigned long)m66592->reg + offset);
-}
-
-static inline void m66592_write_fifo(struct m66592 *m66592,
- unsigned long offset,
- void *buf, unsigned long len)
-{
- unsigned long fifoaddr = (unsigned long)m66592->reg + offset;
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
- unsigned long count;
- unsigned char *pb;
- int i;
-
- count = len / 4;
- outsl(fifoaddr, buf, count);
-
- if (len & 0x00000003) {
- pb = buf + count * 4;
- for (i = 0; i < (len & 0x00000003); i++) {
- if (m66592_read(m66592, M66592_CFBCFG)) /* little */
- outb(pb[i], fifoaddr + (3 - i));
- else
- outb(pb[i], fifoaddr + i);
- }
- }
-#else
- unsigned long odd = len & 0x0001;
-
- len = len / 2;
- outsw(fifoaddr, buf, len);
- if (odd) {
- unsigned char *p = buf + len*2;
- outb(*p, fifoaddr);
- }
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
+ iowrite16(val, m66592->reg + offset);
}
static inline void m66592_mdfy(struct m66592 *m66592, u16 val, u16 pat,
@@ -611,6 +562,45 @@ static inline void m66592_mdfy(struct m66592 *m66592, u16 val, u16 pat,
#define m66592_bset(m66592, val, offset) \
m66592_mdfy(m66592, val, 0, offset)
+static inline void m66592_write_fifo(struct m66592 *m66592,
+ struct m66592_ep *ep,
+ void *buf, unsigned long len)
+{
+ void __iomem *fifoaddr = m66592->reg + ep->fifoaddr;
+
+ if (m66592->pdata->on_chip) {
+ unsigned long count;
+ unsigned char *pb;
+ int i;
+
+ count = len / 4;
+ iowrite32_rep(fifoaddr, buf, count);
+
+ if (len & 0x00000003) {
+ pb = buf + count * 4;
+ for (i = 0; i < (len & 0x00000003); i++) {
+ if (m66592_read(m66592, M66592_CFBCFG)) /* le */
+ iowrite8(pb[i], fifoaddr + (3 - i));
+ else
+ iowrite8(pb[i], fifoaddr + i);
+ }
+ }
+ } else {
+ unsigned long odd = len & 0x0001;
+
+ len = len / 2;
+ iowrite16_rep(fifoaddr, buf, len);
+ if (odd) {
+ unsigned char *p = buf + len*2;
+ if (m66592->pdata->wr0_shorted_to_wr1)
+ m66592_bclr(m66592, M66592_MBW_16, ep->fifosel);
+ iowrite8(*p, fifoaddr);
+ if (m66592->pdata->wr0_shorted_to_wr1)
+ m66592_bset(m66592, M66592_MBW_16, ep->fifosel);
+ }
+ }
+}
+
#endif /* ifndef __M66592_UDC_H__ */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-13 10:37:38 +0000