OSCL-LXR linux-6.0.1/​arch/​mips/​include/​asm/​mach-au1x00/​au1xxx_psc.h	Source navigation Diff markup Identifier search General search
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 /*
  *
  * BRIEF MODULE DESCRIPTION
  *  Include file for Alchemy Semiconductor's Au1k CPU.
  *
  * Copyright 2004 Embedded Edge, LLC
  *  dan@embeddededge.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;  either version 2 of the  License, or (at your
  *  option) any later version.
  *
  *  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 AUTHOR  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.
  *
  *  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.,
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
 /* Specifics for the Au1xxx Programmable Serial Controllers, first
  * seen in the AU1550 part.
  */
 #ifndef _AU1000_PSC_H_
 #define _AU1000_PSC_H_
 
 /*
  * The PSC select and control registers are common to all protocols.
  */
 #define PSC_SEL_OFFSET      0x00000000
 #define PSC_CTRL_OFFSET     0x00000004
 
 #define PSC_SEL_CLK_MASK    (3 << 4)
 #define PSC_SEL_CLK_INTCLK  (0 << 4)
 #define PSC_SEL_CLK_EXTCLK  (1 << 4)
 #define PSC_SEL_CLK_SERCLK  (2 << 4)
 
 #define PSC_SEL_PS_MASK     0x00000007
 #define PSC_SEL_PS_DISABLED 0
 #define PSC_SEL_PS_SPIMODE  2
 #define PSC_SEL_PS_I2SMODE  3
 #define PSC_SEL_PS_AC97MODE 4
 #define PSC_SEL_PS_SMBUSMODE    5
 
 #define PSC_CTRL_DISABLE    0
 #define PSC_CTRL_SUSPEND    2
 #define PSC_CTRL_ENABLE     3
 
 /* AC97 Registers. */
 #define PSC_AC97CFG_OFFSET  0x00000008
 #define PSC_AC97MSK_OFFSET  0x0000000c
 #define PSC_AC97PCR_OFFSET  0x00000010
 #define PSC_AC97STAT_OFFSET 0x00000014
 #define PSC_AC97EVNT_OFFSET 0x00000018
 #define PSC_AC97TXRX_OFFSET 0x0000001c
 #define PSC_AC97CDC_OFFSET  0x00000020
 #define PSC_AC97RST_OFFSET  0x00000024
 #define PSC_AC97GPO_OFFSET  0x00000028
 #define PSC_AC97GPI_OFFSET  0x0000002c
 
 /* AC97 Config Register. */
 #define PSC_AC97CFG_RT_MASK (3 << 30)
 #define PSC_AC97CFG_RT_FIFO1    (0 << 30)
 #define PSC_AC97CFG_RT_FIFO2    (1 << 30)
 #define PSC_AC97CFG_RT_FIFO4    (2 << 30)
 #define PSC_AC97CFG_RT_FIFO8    (3 << 30)
 
 #define PSC_AC97CFG_TT_MASK (3 << 28)
 #define PSC_AC97CFG_TT_FIFO1    (0 << 28)
 #define PSC_AC97CFG_TT_FIFO2    (1 << 28)
 #define PSC_AC97CFG_TT_FIFO4    (2 << 28)
 #define PSC_AC97CFG_TT_FIFO8    (3 << 28)
 
 #define PSC_AC97CFG_DD_DISABLE  (1 << 27)
 #define PSC_AC97CFG_DE_ENABLE   (1 << 26)
 #define PSC_AC97CFG_SE_ENABLE   (1 << 25)
 
 #define PSC_AC97CFG_LEN_MASK    (0xf << 21)
 #define PSC_AC97CFG_TXSLOT_MASK (0x3ff << 11)
 #define PSC_AC97CFG_RXSLOT_MASK (0x3ff << 1)
 #define PSC_AC97CFG_GE_ENABLE   (1)
 
 /* Enable slots 3-12. */
 #define PSC_AC97CFG_TXSLOT_ENA(x)   (1 << (((x) - 3) + 11))
 #define PSC_AC97CFG_RXSLOT_ENA(x)   (1 << (((x) - 3) + 1))
 
 /*
  * The word length equation is ((x) * 2) + 2, so choose 'x' appropriately.
  * The only sensible numbers are 7, 9, or possibly 11.  Nah, just do the
  * arithmetic in the macro.
  */
 #define PSC_AC97CFG_SET_LEN(x)  (((((x) - 2) / 2) & 0xf) << 21)
 #define PSC_AC97CFG_GET_LEN(x)  (((((x) >> 21) & 0xf) * 2) + 2)
 
 /* AC97 Mask Register. */
 #define PSC_AC97MSK_GR      (1 << 25)
 #define PSC_AC97MSK_CD      (1 << 24)
 #define PSC_AC97MSK_RR      (1 << 13)
 #define PSC_AC97MSK_RO      (1 << 12)
 #define PSC_AC97MSK_RU      (1 << 11)
 #define PSC_AC97MSK_TR      (1 << 10)
 #define PSC_AC97MSK_TO      (1 << 9)
 #define PSC_AC97MSK_TU      (1 << 8)
 #define PSC_AC97MSK_RD      (1 << 5)
 #define PSC_AC97MSK_TD      (1 << 4)
 #define PSC_AC97MSK_ALLMASK (PSC_AC97MSK_GR | PSC_AC97MSK_CD | \
                  PSC_AC97MSK_RR | PSC_AC97MSK_RO | \
                  PSC_AC97MSK_RU | PSC_AC97MSK_TR | \
                  PSC_AC97MSK_TO | PSC_AC97MSK_TU | \
                  PSC_AC97MSK_RD | PSC_AC97MSK_TD)
 
 /* AC97 Protocol Control Register. */
 #define PSC_AC97PCR_RC      (1 << 6)
 #define PSC_AC97PCR_RP      (1 << 5)
 #define PSC_AC97PCR_RS      (1 << 4)
 #define PSC_AC97PCR_TC      (1 << 2)
 #define PSC_AC97PCR_TP      (1 << 1)
 #define PSC_AC97PCR_TS      (1 << 0)
 
 /* AC97 Status register (read only). */
 #define PSC_AC97STAT_CB     (1 << 26)
 #define PSC_AC97STAT_CP     (1 << 25)
 #define PSC_AC97STAT_CR     (1 << 24)
 #define PSC_AC97STAT_RF     (1 << 13)
 #define PSC_AC97STAT_RE     (1 << 12)
 #define PSC_AC97STAT_RR     (1 << 11)
 #define PSC_AC97STAT_TF     (1 << 10)
 #define PSC_AC97STAT_TE     (1 << 9)
 #define PSC_AC97STAT_TR     (1 << 8)
 #define PSC_AC97STAT_RB     (1 << 5)
 #define PSC_AC97STAT_TB     (1 << 4)
 #define PSC_AC97STAT_DI     (1 << 2)
 #define PSC_AC97STAT_DR     (1 << 1)
 #define PSC_AC97STAT_SR     (1 << 0)
 
 /* AC97 Event Register. */
 #define PSC_AC97EVNT_GR     (1 << 25)
 #define PSC_AC97EVNT_CD     (1 << 24)
 #define PSC_AC97EVNT_RR     (1 << 13)
 #define PSC_AC97EVNT_RO     (1 << 12)
 #define PSC_AC97EVNT_RU     (1 << 11)
 #define PSC_AC97EVNT_TR     (1 << 10)
 #define PSC_AC97EVNT_TO     (1 << 9)
 #define PSC_AC97EVNT_TU     (1 << 8)
 #define PSC_AC97EVNT_RD     (1 << 5)
 #define PSC_AC97EVNT_TD     (1 << 4)
 
 /* CODEC Command Register. */
 #define PSC_AC97CDC_RD      (1 << 25)
 #define PSC_AC97CDC_ID_MASK (3 << 23)
 #define PSC_AC97CDC_INDX_MASK   (0x7f << 16)
 #define PSC_AC97CDC_ID(x)   (((x) & 0x03) << 23)
 #define PSC_AC97CDC_INDX(x) (((x) & 0x7f) << 16)
 
 /* AC97 Reset Control Register. */
 #define PSC_AC97RST_RST     (1 << 1)
 #define PSC_AC97RST_SNC     (1 << 0)
 
 /* PSC in I2S Mode. */
 typedef struct  psc_i2s {
     u32 psc_sel;
     u32 psc_ctrl;
     u32 psc_i2scfg;
     u32 psc_i2smsk;
     u32 psc_i2spcr;
     u32 psc_i2sstat;
     u32 psc_i2sevent;
     u32 psc_i2stxrx;
     u32 psc_i2sudf;
 } psc_i2s_t;
 
 #define PSC_I2SCFG_OFFSET   0x08
 #define PSC_I2SMASK_OFFSET  0x0C
 #define PSC_I2SPCR_OFFSET   0x10
 #define PSC_I2SSTAT_OFFSET  0x14
 #define PSC_I2SEVENT_OFFSET 0x18
 #define PSC_I2SRXTX_OFFSET  0x1C
 #define PSC_I2SUDF_OFFSET   0x20
 
 /* I2S Config Register. */
 #define PSC_I2SCFG_RT_MASK  (3 << 30)
 #define PSC_I2SCFG_RT_FIFO1 (0 << 30)
 #define PSC_I2SCFG_RT_FIFO2 (1 << 30)
 #define PSC_I2SCFG_RT_FIFO4 (2 << 30)
 #define PSC_I2SCFG_RT_FIFO8 (3 << 30)
 
 #define PSC_I2SCFG_TT_MASK  (3 << 28)
 #define PSC_I2SCFG_TT_FIFO1 (0 << 28)
 #define PSC_I2SCFG_TT_FIFO2 (1 << 28)
 #define PSC_I2SCFG_TT_FIFO4 (2 << 28)
 #define PSC_I2SCFG_TT_FIFO8 (3 << 28)
 
 #define PSC_I2SCFG_DD_DISABLE   (1 << 27)
 #define PSC_I2SCFG_DE_ENABLE    (1 << 26)
 #define PSC_I2SCFG_SET_WS(x)    (((((x) / 2) - 1) & 0x7f) << 16)
 #define PSC_I2SCFG_WS(n)    ((n & 0xFF) << 16)
 #define PSC_I2SCFG_WS_MASK  (PSC_I2SCFG_WS(0x3F))
 #define PSC_I2SCFG_WI       (1 << 15)
 
 #define PSC_I2SCFG_DIV_MASK (3 << 13)
 #define PSC_I2SCFG_DIV2     (0 << 13)
 #define PSC_I2SCFG_DIV4     (1 << 13)
 #define PSC_I2SCFG_DIV8     (2 << 13)
 #define PSC_I2SCFG_DIV16    (3 << 13)
 
 #define PSC_I2SCFG_BI       (1 << 12)
 #define PSC_I2SCFG_BUF      (1 << 11)
 #define PSC_I2SCFG_MLJ      (1 << 10)
 #define PSC_I2SCFG_XM       (1 << 9)
 
 /* The word length equation is simply LEN+1. */
 #define PSC_I2SCFG_SET_LEN(x)   ((((x) - 1) & 0x1f) << 4)
 #define PSC_I2SCFG_GET_LEN(x)   ((((x) >> 4) & 0x1f) + 1)
 
 #define PSC_I2SCFG_LB       (1 << 2)
 #define PSC_I2SCFG_MLF      (1 << 1)
 #define PSC_I2SCFG_MS       (1 << 0)
 
 /* I2S Mask Register. */
 #define PSC_I2SMSK_RR       (1 << 13)
 #define PSC_I2SMSK_RO       (1 << 12)
 #define PSC_I2SMSK_RU       (1 << 11)
 #define PSC_I2SMSK_TR       (1 << 10)
 #define PSC_I2SMSK_TO       (1 << 9)
 #define PSC_I2SMSK_TU       (1 << 8)
 #define PSC_I2SMSK_RD       (1 << 5)
 #define PSC_I2SMSK_TD       (1 << 4)
 #define PSC_I2SMSK_ALLMASK  (PSC_I2SMSK_RR | PSC_I2SMSK_RO | \
                  PSC_I2SMSK_RU | PSC_I2SMSK_TR | \
                  PSC_I2SMSK_TO | PSC_I2SMSK_TU | \
                  PSC_I2SMSK_RD | PSC_I2SMSK_TD)
 
 /* I2S Protocol Control Register. */
 #define PSC_I2SPCR_RC       (1 << 6)
 #define PSC_I2SPCR_RP       (1 << 5)
 #define PSC_I2SPCR_RS       (1 << 4)
 #define PSC_I2SPCR_TC       (1 << 2)
 #define PSC_I2SPCR_TP       (1 << 1)
 #define PSC_I2SPCR_TS       (1 << 0)
 
 /* I2S Status register (read only). */
 #define PSC_I2SSTAT_RF      (1 << 13)
 #define PSC_I2SSTAT_RE      (1 << 12)
 #define PSC_I2SSTAT_RR      (1 << 11)
 #define PSC_I2SSTAT_TF      (1 << 10)
 #define PSC_I2SSTAT_TE      (1 << 9)
 #define PSC_I2SSTAT_TR      (1 << 8)
 #define PSC_I2SSTAT_RB      (1 << 5)
 #define PSC_I2SSTAT_TB      (1 << 4)
 #define PSC_I2SSTAT_DI      (1 << 2)
 #define PSC_I2SSTAT_DR      (1 << 1)
 #define PSC_I2SSTAT_SR      (1 << 0)
 
 /* I2S Event Register. */
 #define PSC_I2SEVNT_RR      (1 << 13)
 #define PSC_I2SEVNT_RO      (1 << 12)
 #define PSC_I2SEVNT_RU      (1 << 11)
 #define PSC_I2SEVNT_TR      (1 << 10)
 #define PSC_I2SEVNT_TO      (1 << 9)
 #define PSC_I2SEVNT_TU      (1 << 8)
 #define PSC_I2SEVNT_RD      (1 << 5)
 #define PSC_I2SEVNT_TD      (1 << 4)
 
 /* PSC in SPI Mode. */
 typedef struct  psc_spi {
     u32 psc_sel;
     u32 psc_ctrl;
     u32 psc_spicfg;
     u32 psc_spimsk;
     u32 psc_spipcr;
     u32 psc_spistat;
     u32 psc_spievent;
     u32 psc_spitxrx;
 } psc_spi_t;
 
 /* SPI Config Register. */
 #define PSC_SPICFG_RT_MASK  (3 << 30)
 #define PSC_SPICFG_RT_FIFO1 (0 << 30)
 #define PSC_SPICFG_RT_FIFO2 (1 << 30)
 #define PSC_SPICFG_RT_FIFO4 (2 << 30)
 #define PSC_SPICFG_RT_FIFO8 (3 << 30)
 
 #define PSC_SPICFG_TT_MASK  (3 << 28)
 #define PSC_SPICFG_TT_FIFO1 (0 << 28)
 #define PSC_SPICFG_TT_FIFO2 (1 << 28)
 #define PSC_SPICFG_TT_FIFO4 (2 << 28)
 #define PSC_SPICFG_TT_FIFO8 (3 << 28)
 
 #define PSC_SPICFG_DD_DISABLE   (1 << 27)
 #define PSC_SPICFG_DE_ENABLE    (1 << 26)
 #define PSC_SPICFG_CLR_BAUD(x)  ((x) & ~((0x3f) << 15))
 #define PSC_SPICFG_SET_BAUD(x)  (((x) & 0x3f) << 15)
 
 #define PSC_SPICFG_SET_DIV(x)   (((x) & 0x03) << 13)
 #define PSC_SPICFG_DIV2     0
 #define PSC_SPICFG_DIV4     1
 #define PSC_SPICFG_DIV8     2
 #define PSC_SPICFG_DIV16    3
 
 #define PSC_SPICFG_BI       (1 << 12)
 #define PSC_SPICFG_PSE      (1 << 11)
 #define PSC_SPICFG_CGE      (1 << 10)
 #define PSC_SPICFG_CDE      (1 << 9)
 
 #define PSC_SPICFG_CLR_LEN(x)   ((x) & ~((0x1f) << 4))
 #define PSC_SPICFG_SET_LEN(x)   (((x-1) & 0x1f) << 4)
 
 #define PSC_SPICFG_LB       (1 << 3)
 #define PSC_SPICFG_MLF      (1 << 1)
 #define PSC_SPICFG_MO       (1 << 0)
 
 /* SPI Mask Register. */
 #define PSC_SPIMSK_MM       (1 << 16)
 #define PSC_SPIMSK_RR       (1 << 13)
 #define PSC_SPIMSK_RO       (1 << 12)
 #define PSC_SPIMSK_RU       (1 << 11)
 #define PSC_SPIMSK_TR       (1 << 10)
 #define PSC_SPIMSK_TO       (1 << 9)
 #define PSC_SPIMSK_TU       (1 << 8)
 #define PSC_SPIMSK_SD       (1 << 5)
 #define PSC_SPIMSK_MD       (1 << 4)
 #define PSC_SPIMSK_ALLMASK  (PSC_SPIMSK_MM | PSC_SPIMSK_RR | \
                  PSC_SPIMSK_RO | PSC_SPIMSK_TO | \
                  PSC_SPIMSK_TU | PSC_SPIMSK_SD | \
                  PSC_SPIMSK_MD)
 
 /* SPI Protocol Control Register. */
 #define PSC_SPIPCR_RC       (1 << 6)
 #define PSC_SPIPCR_SP       (1 << 5)
 #define PSC_SPIPCR_SS       (1 << 4)
 #define PSC_SPIPCR_TC       (1 << 2)
 #define PSC_SPIPCR_MS       (1 << 0)
 
 /* SPI Status register (read only). */
 #define PSC_SPISTAT_RF      (1 << 13)
 #define PSC_SPISTAT_RE      (1 << 12)
 #define PSC_SPISTAT_RR      (1 << 11)
 #define PSC_SPISTAT_TF      (1 << 10)
 #define PSC_SPISTAT_TE      (1 << 9)
 #define PSC_SPISTAT_TR      (1 << 8)
 #define PSC_SPISTAT_SB      (1 << 5)
 #define PSC_SPISTAT_MB      (1 << 4)
 #define PSC_SPISTAT_DI      (1 << 2)
 #define PSC_SPISTAT_DR      (1 << 1)
 #define PSC_SPISTAT_SR      (1 << 0)
 
 /* SPI Event Register. */
 #define PSC_SPIEVNT_MM      (1 << 16)
 #define PSC_SPIEVNT_RR      (1 << 13)
 #define PSC_SPIEVNT_RO      (1 << 12)
 #define PSC_SPIEVNT_RU      (1 << 11)
 #define PSC_SPIEVNT_TR      (1 << 10)
 #define PSC_SPIEVNT_TO      (1 << 9)
 #define PSC_SPIEVNT_TU      (1 << 8)
 #define PSC_SPIEVNT_SD      (1 << 5)
 #define PSC_SPIEVNT_MD      (1 << 4)
 
 /* Transmit register control. */
 #define PSC_SPITXRX_LC      (1 << 29)
 #define PSC_SPITXRX_SR      (1 << 28)
 
 /* SMBus Config Register. */
 #define PSC_SMBCFG_RT_MASK  (3 << 30)
 #define PSC_SMBCFG_RT_FIFO1 (0 << 30)
 #define PSC_SMBCFG_RT_FIFO2 (1 << 30)
 #define PSC_SMBCFG_RT_FIFO4 (2 << 30)
 #define PSC_SMBCFG_RT_FIFO8 (3 << 30)
 
 #define PSC_SMBCFG_TT_MASK  (3 << 28)
 #define PSC_SMBCFG_TT_FIFO1 (0 << 28)
 #define PSC_SMBCFG_TT_FIFO2 (1 << 28)
 #define PSC_SMBCFG_TT_FIFO4 (2 << 28)
 #define PSC_SMBCFG_TT_FIFO8 (3 << 28)
 
 #define PSC_SMBCFG_DD_DISABLE   (1 << 27)
 #define PSC_SMBCFG_DE_ENABLE    (1 << 26)
 
 #define PSC_SMBCFG_SET_DIV(x)   (((x) & 0x03) << 13)
 #define PSC_SMBCFG_DIV2     0
 #define PSC_SMBCFG_DIV4     1
 #define PSC_SMBCFG_DIV8     2
 #define PSC_SMBCFG_DIV16    3
 
 #define PSC_SMBCFG_GCE      (1 << 9)
 #define PSC_SMBCFG_SFM      (1 << 8)
 
 #define PSC_SMBCFG_SET_SLV(x)   (((x) & 0x7f) << 1)
 
 /* SMBus Mask Register. */
 #define PSC_SMBMSK_DN       (1 << 30)
 #define PSC_SMBMSK_AN       (1 << 29)
 #define PSC_SMBMSK_AL       (1 << 28)
 #define PSC_SMBMSK_RR       (1 << 13)
 #define PSC_SMBMSK_RO       (1 << 12)
 #define PSC_SMBMSK_RU       (1 << 11)
 #define PSC_SMBMSK_TR       (1 << 10)
 #define PSC_SMBMSK_TO       (1 << 9)
 #define PSC_SMBMSK_TU       (1 << 8)
 #define PSC_SMBMSK_SD       (1 << 5)
 #define PSC_SMBMSK_MD       (1 << 4)
 #define PSC_SMBMSK_ALLMASK  (PSC_SMBMSK_DN | PSC_SMBMSK_AN | \
                  PSC_SMBMSK_AL | PSC_SMBMSK_RR | \
                  PSC_SMBMSK_RO | PSC_SMBMSK_TO | \
                  PSC_SMBMSK_TU | PSC_SMBMSK_SD | \
                  PSC_SMBMSK_MD)
 
 /* SMBus Protocol Control Register. */
 #define PSC_SMBPCR_DC       (1 << 2)
 #define PSC_SMBPCR_MS       (1 << 0)
 
 /* SMBus Status register (read only). */
 #define PSC_SMBSTAT_BB      (1 << 28)
 #define PSC_SMBSTAT_RF      (1 << 13)
 #define PSC_SMBSTAT_RE      (1 << 12)
 #define PSC_SMBSTAT_RR      (1 << 11)
 #define PSC_SMBSTAT_TF      (1 << 10)
 #define PSC_SMBSTAT_TE      (1 << 9)
 #define PSC_SMBSTAT_TR      (1 << 8)
 #define PSC_SMBSTAT_SB      (1 << 5)
 #define PSC_SMBSTAT_MB      (1 << 4)
 #define PSC_SMBSTAT_DI      (1 << 2)
 #define PSC_SMBSTAT_DR      (1 << 1)
 #define PSC_SMBSTAT_SR      (1 << 0)
 
 /* SMBus Event Register. */
 #define PSC_SMBEVNT_DN      (1 << 30)
 #define PSC_SMBEVNT_AN      (1 << 29)
 #define PSC_SMBEVNT_AL      (1 << 28)
 #define PSC_SMBEVNT_RR      (1 << 13)
 #define PSC_SMBEVNT_RO      (1 << 12)
 #define PSC_SMBEVNT_RU      (1 << 11)
 #define PSC_SMBEVNT_TR      (1 << 10)
 #define PSC_SMBEVNT_TO      (1 << 9)
 #define PSC_SMBEVNT_TU      (1 << 8)
 #define PSC_SMBEVNT_SD      (1 << 5)
 #define PSC_SMBEVNT_MD      (1 << 4)
 #define PSC_SMBEVNT_ALLCLR  (PSC_SMBEVNT_DN | PSC_SMBEVNT_AN | \
                  PSC_SMBEVNT_AL | PSC_SMBEVNT_RR | \
                  PSC_SMBEVNT_RO | PSC_SMBEVNT_TO | \
                  PSC_SMBEVNT_TU | PSC_SMBEVNT_SD | \
                  PSC_SMBEVNT_MD)
 
 /* Transmit register control. */
 #define PSC_SMBTXRX_RSR     (1 << 28)
 #define PSC_SMBTXRX_STP     (1 << 29)
 #define PSC_SMBTXRX_DATAMASK    0xff
 
 /* SMBus protocol timers register. */
 #define PSC_SMBTMR_SET_TH(x)    (((x) & 0x03) << 30)
 #define PSC_SMBTMR_SET_PS(x)    (((x) & 0x1f) << 25)
 #define PSC_SMBTMR_SET_PU(x)    (((x) & 0x1f) << 20)
 #define PSC_SMBTMR_SET_SH(x)    (((x) & 0x1f) << 15)
 #define PSC_SMBTMR_SET_SU(x)    (((x) & 0x1f) << 10)
 #define PSC_SMBTMR_SET_CL(x)    (((x) & 0x1f) << 5)
 #define PSC_SMBTMR_SET_CH(x)    (((x) & 0x1f) << 0)
 
 #endif /* _AU1000_PSC_H_ */

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