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linux/drivers/usb/musb/musb_regs.h
Bryan Wu c6cf8b003e USB: musb: add Blackfin specific configuration to MUSB 
Some config registers are not avaiable in Blackfin, we have to comment them out.

v1-v2:
 - remove Blackfin specific header file
 - add Blackfin register version to musb_regs.h header file

Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-01-07 10:00:07 -08:00

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/*
* MUSB OTG driver register defines
*
* Copyright 2005 Mentor Graphics Corporation
* Copyright (C) 2005-2006 by Texas Instruments
* Copyright (C) 2006-2007 Nokia Corporation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef __MUSB_REGS_H__
#define __MUSB_REGS_H__
#define MUSB_EP0_FIFOSIZE 64 /* This is non-configurable */
/*
* MUSB Register bits
*/
/* POWER */
#define MUSB_POWER_ISOUPDATE 0x80
#define MUSB_POWER_SOFTCONN 0x40
#define MUSB_POWER_HSENAB 0x20
#define MUSB_POWER_HSMODE 0x10
#define MUSB_POWER_RESET 0x08
#define MUSB_POWER_RESUME 0x04
#define MUSB_POWER_SUSPENDM 0x02
#define MUSB_POWER_ENSUSPEND 0x01
/* INTRUSB */
#define MUSB_INTR_SUSPEND 0x01
#define MUSB_INTR_RESUME 0x02
#define MUSB_INTR_RESET 0x04
#define MUSB_INTR_BABBLE 0x04
#define MUSB_INTR_SOF 0x08
#define MUSB_INTR_CONNECT 0x10
#define MUSB_INTR_DISCONNECT 0x20
#define MUSB_INTR_SESSREQ 0x40
#define MUSB_INTR_VBUSERROR 0x80 /* For SESSION end */
/* DEVCTL */
#define MUSB_DEVCTL_BDEVICE 0x80
#define MUSB_DEVCTL_FSDEV 0x40
#define MUSB_DEVCTL_LSDEV 0x20
#define MUSB_DEVCTL_VBUS 0x18
#define MUSB_DEVCTL_VBUS_SHIFT 3
#define MUSB_DEVCTL_HM 0x04
#define MUSB_DEVCTL_HR 0x02
#define MUSB_DEVCTL_SESSION 0x01
/* TESTMODE */
#define MUSB_TEST_FORCE_HOST 0x80
#define MUSB_TEST_FIFO_ACCESS 0x40
#define MUSB_TEST_FORCE_FS 0x20
#define MUSB_TEST_FORCE_HS 0x10
#define MUSB_TEST_PACKET 0x08
#define MUSB_TEST_K 0x04
#define MUSB_TEST_J 0x02
#define MUSB_TEST_SE0_NAK 0x01
/* Allocate for double-packet buffering (effectively doubles assigned _SIZE) */
#define MUSB_FIFOSZ_DPB 0x10
/* Allocation size (8, 16, 32, ... 4096) */
#define MUSB_FIFOSZ_SIZE 0x0f
/* CSR0 */
#define MUSB_CSR0_FLUSHFIFO 0x0100
#define MUSB_CSR0_TXPKTRDY 0x0002
#define MUSB_CSR0_RXPKTRDY 0x0001
/* CSR0 in Peripheral mode */
#define MUSB_CSR0_P_SVDSETUPEND 0x0080
#define MUSB_CSR0_P_SVDRXPKTRDY 0x0040
#define MUSB_CSR0_P_SENDSTALL 0x0020
#define MUSB_CSR0_P_SETUPEND 0x0010
#define MUSB_CSR0_P_DATAEND 0x0008
#define MUSB_CSR0_P_SENTSTALL 0x0004
/* CSR0 in Host mode */
#define MUSB_CSR0_H_DIS_PING 0x0800
#define MUSB_CSR0_H_WR_DATATOGGLE 0x0400 /* Set to allow setting: */
#define MUSB_CSR0_H_DATATOGGLE 0x0200 /* Data toggle control */
#define MUSB_CSR0_H_NAKTIMEOUT 0x0080
#define MUSB_CSR0_H_STATUSPKT 0x0040
#define MUSB_CSR0_H_REQPKT 0x0020
#define MUSB_CSR0_H_ERROR 0x0010
#define MUSB_CSR0_H_SETUPPKT 0x0008
#define MUSB_CSR0_H_RXSTALL 0x0004
/* CSR0 bits to avoid zeroing (write zero clears, write 1 ignored) */
#define MUSB_CSR0_P_WZC_BITS \
(MUSB_CSR0_P_SENTSTALL)
#define MUSB_CSR0_H_WZC_BITS \
(MUSB_CSR0_H_NAKTIMEOUT | MUSB_CSR0_H_RXSTALL \
| MUSB_CSR0_RXPKTRDY)
/* TxType/RxType */
#define MUSB_TYPE_SPEED 0xc0
#define MUSB_TYPE_SPEED_SHIFT 6
#define MUSB_TYPE_PROTO 0x30 /* Implicitly zero for ep0 */
#define MUSB_TYPE_PROTO_SHIFT 4
#define MUSB_TYPE_REMOTE_END 0xf /* Implicitly zero for ep0 */
/* CONFIGDATA */
#define MUSB_CONFIGDATA_MPRXE 0x80 /* Auto bulk pkt combining */
#define MUSB_CONFIGDATA_MPTXE 0x40 /* Auto bulk pkt splitting */
#define MUSB_CONFIGDATA_BIGENDIAN 0x20
#define MUSB_CONFIGDATA_HBRXE 0x10 /* HB-ISO for RX */
#define MUSB_CONFIGDATA_HBTXE 0x08 /* HB-ISO for TX */
#define MUSB_CONFIGDATA_DYNFIFO 0x04 /* Dynamic FIFO sizing */
#define MUSB_CONFIGDATA_SOFTCONE 0x02 /* SoftConnect */
#define MUSB_CONFIGDATA_UTMIDW 0x01 /* Data width 0/1 => 8/16bits */
/* TXCSR in Peripheral and Host mode */
#define MUSB_TXCSR_AUTOSET 0x8000
#define MUSB_TXCSR_DMAENAB 0x1000
#define MUSB_TXCSR_FRCDATATOG 0x0800
#define MUSB_TXCSR_DMAMODE 0x0400
#define MUSB_TXCSR_CLRDATATOG 0x0040
#define MUSB_TXCSR_FLUSHFIFO 0x0008
#define MUSB_TXCSR_FIFONOTEMPTY 0x0002
#define MUSB_TXCSR_TXPKTRDY 0x0001
/* TXCSR in Peripheral mode */
#define MUSB_TXCSR_P_ISO 0x4000
#define MUSB_TXCSR_P_INCOMPTX 0x0080
#define MUSB_TXCSR_P_SENTSTALL 0x0020
#define MUSB_TXCSR_P_SENDSTALL 0x0010
#define MUSB_TXCSR_P_UNDERRUN 0x0004
/* TXCSR in Host mode */
#define MUSB_TXCSR_H_WR_DATATOGGLE 0x0200
#define MUSB_TXCSR_H_DATATOGGLE 0x0100
#define MUSB_TXCSR_H_NAKTIMEOUT 0x0080
#define MUSB_TXCSR_H_RXSTALL 0x0020
#define MUSB_TXCSR_H_ERROR 0x0004
/* TXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
#define MUSB_TXCSR_P_WZC_BITS \
(MUSB_TXCSR_P_INCOMPTX | MUSB_TXCSR_P_SENTSTALL \
| MUSB_TXCSR_P_UNDERRUN | MUSB_TXCSR_FIFONOTEMPTY)
#define MUSB_TXCSR_H_WZC_BITS \
(MUSB_TXCSR_H_NAKTIMEOUT | MUSB_TXCSR_H_RXSTALL \
| MUSB_TXCSR_H_ERROR | MUSB_TXCSR_FIFONOTEMPTY)
/* RXCSR in Peripheral and Host mode */
#define MUSB_RXCSR_AUTOCLEAR 0x8000
#define MUSB_RXCSR_DMAENAB 0x2000
#define MUSB_RXCSR_DISNYET 0x1000
#define MUSB_RXCSR_PID_ERR 0x1000
#define MUSB_RXCSR_DMAMODE 0x0800
#define MUSB_RXCSR_INCOMPRX 0x0100
#define MUSB_RXCSR_CLRDATATOG 0x0080
#define MUSB_RXCSR_FLUSHFIFO 0x0010
#define MUSB_RXCSR_DATAERROR 0x0008
#define MUSB_RXCSR_FIFOFULL 0x0002
#define MUSB_RXCSR_RXPKTRDY 0x0001
/* RXCSR in Peripheral mode */
#define MUSB_RXCSR_P_ISO 0x4000
#define MUSB_RXCSR_P_SENTSTALL 0x0040
#define MUSB_RXCSR_P_SENDSTALL 0x0020
#define MUSB_RXCSR_P_OVERRUN 0x0004
/* RXCSR in Host mode */
#define MUSB_RXCSR_H_AUTOREQ 0x4000
#define MUSB_RXCSR_H_WR_DATATOGGLE 0x0400
#define MUSB_RXCSR_H_DATATOGGLE 0x0200
#define MUSB_RXCSR_H_RXSTALL 0x0040
#define MUSB_RXCSR_H_REQPKT 0x0020
#define MUSB_RXCSR_H_ERROR 0x0004
/* RXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
#define MUSB_RXCSR_P_WZC_BITS \
(MUSB_RXCSR_P_SENTSTALL | MUSB_RXCSR_P_OVERRUN \
| MUSB_RXCSR_RXPKTRDY)
#define MUSB_RXCSR_H_WZC_BITS \
(MUSB_RXCSR_H_RXSTALL | MUSB_RXCSR_H_ERROR \
| MUSB_RXCSR_DATAERROR | MUSB_RXCSR_RXPKTRDY)
/* HUBADDR */
#define MUSB_HUBADDR_MULTI_TT 0x80
#ifndef CONFIG_BLACKFIN
/*
* Common USB registers
*/
#define MUSB_FADDR 0x00 /* 8-bit */
#define MUSB_POWER 0x01 /* 8-bit */
#define MUSB_INTRTX 0x02 /* 16-bit */
#define MUSB_INTRRX 0x04
#define MUSB_INTRTXE 0x06
#define MUSB_INTRRXE 0x08
#define MUSB_INTRUSB 0x0A /* 8 bit */
#define MUSB_INTRUSBE 0x0B /* 8 bit */
#define MUSB_FRAME 0x0C
#define MUSB_INDEX 0x0E /* 8 bit */
#define MUSB_TESTMODE 0x0F /* 8 bit */
/* Get offset for a given FIFO from musb->mregs */
#ifdef CONFIG_USB_TUSB6010
#define MUSB_FIFO_OFFSET(epnum) (0x200 + ((epnum) * 0x20))
#else
#define MUSB_FIFO_OFFSET(epnum) (0x20 + ((epnum) * 4))
#endif
/*
* Additional Control Registers
*/
#define MUSB_DEVCTL 0x60 /* 8 bit */
/* These are always controlled through the INDEX register */
#define MUSB_TXFIFOSZ 0x62 /* 8-bit (see masks) */
#define MUSB_RXFIFOSZ 0x63 /* 8-bit (see masks) */
#define MUSB_TXFIFOADD 0x64 /* 16-bit offset shifted right 3 */
#define MUSB_RXFIFOADD 0x66 /* 16-bit offset shifted right 3 */
/* REVISIT: vctrl/vstatus: optional vendor utmi+phy register at 0x68 */
#define MUSB_HWVERS 0x6C /* 8 bit */
#define MUSB_EPINFO 0x78 /* 8 bit */
#define MUSB_RAMINFO 0x79 /* 8 bit */
#define MUSB_LINKINFO 0x7a /* 8 bit */
#define MUSB_VPLEN 0x7b /* 8 bit */
#define MUSB_HS_EOF1 0x7c /* 8 bit */
#define MUSB_FS_EOF1 0x7d /* 8 bit */
#define MUSB_LS_EOF1 0x7e /* 8 bit */
/* Offsets to endpoint registers */
#define MUSB_TXMAXP 0x00
#define MUSB_TXCSR 0x02
#define MUSB_CSR0 MUSB_TXCSR /* Re-used for EP0 */
#define MUSB_RXMAXP 0x04
#define MUSB_RXCSR 0x06
#define MUSB_RXCOUNT 0x08
#define MUSB_COUNT0 MUSB_RXCOUNT /* Re-used for EP0 */
#define MUSB_TXTYPE 0x0A
#define MUSB_TYPE0 MUSB_TXTYPE /* Re-used for EP0 */
#define MUSB_TXINTERVAL 0x0B
#define MUSB_NAKLIMIT0 MUSB_TXINTERVAL /* Re-used for EP0 */
#define MUSB_RXTYPE 0x0C
#define MUSB_RXINTERVAL 0x0D
#define MUSB_FIFOSIZE 0x0F
#define MUSB_CONFIGDATA MUSB_FIFOSIZE /* Re-used for EP0 */
/* Offsets to endpoint registers in indexed model (using INDEX register) */
#define MUSB_INDEXED_OFFSET(_epnum, _offset) \
(0x10 + (_offset))
/* Offsets to endpoint registers in flat models */
#define MUSB_FLAT_OFFSET(_epnum, _offset) \
(0x100 + (0x10*(_epnum)) + (_offset))
#ifdef CONFIG_USB_TUSB6010
/* TUSB6010 EP0 configuration register is special */
#define MUSB_TUSB_OFFSET(_epnum, _offset) \
(0x10 + _offset)
#include "tusb6010.h" /* Needed "only" for TUSB_EP0_CONF */
#endif
#define MUSB_TXCSR_MODE 0x2000
/* "bus control"/target registers, for host side multipoint (external hubs) */
#define MUSB_TXFUNCADDR 0x00
#define MUSB_TXHUBADDR 0x02
#define MUSB_TXHUBPORT 0x03
#define MUSB_RXFUNCADDR 0x04
#define MUSB_RXHUBADDR 0x06
#define MUSB_RXHUBPORT 0x07
#define MUSB_BUSCTL_OFFSET(_epnum, _offset) \
(0x80 + (8*(_epnum)) + (_offset))
static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
{
musb_writeb(mbase, MUSB_TXFIFOSZ, c_size);
}
static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off)
{
musb_writew(mbase, MUSB_TXFIFOADD, c_off);
}
static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
{
musb_writeb(mbase, MUSB_RXFIFOSZ, c_size);
}
static inline void musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
{
musb_writew(mbase, MUSB_RXFIFOADD, c_off);
}
static inline u8 musb_read_configdata(void __iomem *mbase)
{
return musb_readb(mbase, 0x10 + MUSB_CONFIGDATA);
}
static inline u16 musb_read_hwvers(void __iomem *mbase)
{
return musb_readw(mbase, MUSB_HWVERS);
}
static inline void __iomem *musb_read_target_reg_base(u8 i, void __iomem *mbase)
{
return (MUSB_BUSCTL_OFFSET(i, 0) + mbase);
}
static inline void musb_write_rxfunaddr(void __iomem *ep_target_regs,
u8 qh_addr_reg)
{
musb_writeb(ep_target_regs, MUSB_RXFUNCADDR, qh_addr_reg);
}
static inline void musb_write_rxhubaddr(void __iomem *ep_target_regs,
u8 qh_h_addr_reg)
{
musb_writeb(ep_target_regs, MUSB_RXHUBADDR, qh_h_addr_reg);
}
static inline void musb_write_rxhubport(void __iomem *ep_target_regs,
u8 qh_h_port_reg)
{
musb_writeb(ep_target_regs, MUSB_RXHUBPORT, qh_h_port_reg);
}
static inline void musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
u8 qh_addr_reg)
{
musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR),
qh_addr_reg);
}
static inline void musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
u8 qh_addr_reg)
{
musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR),
qh_addr_reg);
}
static inline void musb_write_txhubport(void __iomem *mbase, u8 epnum,
u8 qh_h_port_reg)
{
musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT),
qh_h_port_reg);
}
#else /* CONFIG_BLACKFIN */
#define USB_BASE USB_FADDR
#define USB_OFFSET(reg) (reg - USB_BASE)
/*
* Common USB registers
*/
#define MUSB_FADDR USB_OFFSET(USB_FADDR) /* 8-bit */
#define MUSB_POWER USB_OFFSET(USB_POWER) /* 8-bit */
#define MUSB_INTRTX USB_OFFSET(USB_INTRTX) /* 16-bit */
#define MUSB_INTRRX USB_OFFSET(USB_INTRRX)
#define MUSB_INTRTXE USB_OFFSET(USB_INTRTXE)
#define MUSB_INTRRXE USB_OFFSET(USB_INTRRXE)
#define MUSB_INTRUSB USB_OFFSET(USB_INTRUSB) /* 8 bit */
#define MUSB_INTRUSBE USB_OFFSET(USB_INTRUSBE)/* 8 bit */
#define MUSB_FRAME USB_OFFSET(USB_FRAME)
#define MUSB_INDEX USB_OFFSET(USB_INDEX) /* 8 bit */
#define MUSB_TESTMODE USB_OFFSET(USB_TESTMODE)/* 8 bit */
/* Get offset for a given FIFO from musb->mregs */
#define MUSB_FIFO_OFFSET(epnum) \
(USB_OFFSET(USB_EP0_FIFO) + ((epnum) * 8))
/*
* Additional Control Registers
*/
#define MUSB_DEVCTL USB_OFFSET(USB_OTG_DEV_CTL) /* 8 bit */
#define MUSB_LINKINFO USB_OFFSET(USB_LINKINFO)/* 8 bit */
#define MUSB_VPLEN USB_OFFSET(USB_VPLEN) /* 8 bit */
#define MUSB_HS_EOF1 USB_OFFSET(USB_HS_EOF1) /* 8 bit */
#define MUSB_FS_EOF1 USB_OFFSET(USB_FS_EOF1) /* 8 bit */
#define MUSB_LS_EOF1 USB_OFFSET(USB_LS_EOF1) /* 8 bit */
/* Offsets to endpoint registers */
#define MUSB_TXMAXP 0x00
#define MUSB_TXCSR 0x04
#define MUSB_CSR0 MUSB_TXCSR /* Re-used for EP0 */
#define MUSB_RXMAXP 0x08
#define MUSB_RXCSR 0x0C
#define MUSB_RXCOUNT 0x10
#define MUSB_COUNT0 MUSB_RXCOUNT /* Re-used for EP0 */
#define MUSB_TXTYPE 0x14
#define MUSB_TYPE0 MUSB_TXTYPE /* Re-used for EP0 */
#define MUSB_TXINTERVAL 0x18
#define MUSB_NAKLIMIT0 MUSB_TXINTERVAL /* Re-used for EP0 */
#define MUSB_RXTYPE 0x1C
#define MUSB_RXINTERVAL 0x20
#define MUSB_TXCOUNT 0x28
/* Offsets to endpoint registers in indexed model (using INDEX register) */
#define MUSB_INDEXED_OFFSET(_epnum, _offset) \
(0x40 + (_offset))
/* Offsets to endpoint registers in flat models */
#define MUSB_FLAT_OFFSET(_epnum, _offset) \
(USB_OFFSET(USB_EP_NI0_TXMAXP) + (0x40 * (_epnum)) + (_offset))
/* Not implemented - HW has seperate Tx/Rx FIFO */
#define MUSB_TXCSR_MODE 0x0000
/*
* Dummy stub for clk framework, it will be removed
* until Blackfin supports clk framework
*/
#define clk_get(dev, id) NULL
#define clk_put(clock) do {} while (0)
#define clk_enable(clock) do {} while (0)
#define clk_disable(clock) do {} while (0)
static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
{
}
static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off)
{
}
static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
{
}
static inline void musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
{
}
static inline u8 musb_read_configdata(void __iomem *mbase)
{
return 0;
}
static inline u16 musb_read_hwvers(void __iomem *mbase)
{
return 0;
}
static inline u16 musb_read_target_reg_base(u8 i, void __iomem *mbase)
{
return 0;
}
static inline void musb_write_rxfunaddr(void __iomem *ep_target_regs,
u8 qh_addr_req)
{
}
static inline void musb_write_rxhubaddr(void __iomem *ep_target_regs,
u8 qh_h_addr_reg)
{
}
static inline void musb_write_rxhubport(void __iomem *ep_target_regs,
u8 qh_h_port_reg)
{
}
static inline void musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
u8 qh_addr_reg)
{
}
static inline void musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
u8 qh_addr_reg)
{
}
static inline void musb_write_txhubport(void __iomem *mbase, u8 epnum,
u8 qh_h_port_reg)
{
}
#endif /* CONFIG_BLACKFIN */
#endif /* __MUSB_REGS_H__ */
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