Release 4.14 arch/mips/include/asm/mach-au1x00/au1xxx_psc.h
/*
*
* 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_ */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ralf Bächle | 914 | 66.62% | 2 | 28.57% |
| Andrew Morton | 404 | 29.45% | 1 | 14.29% |
| Manuel Lauss | 28 | 2.04% | 1 | 14.29% |
| Sergei Shtylyov | 25 | 1.82% | 2 | 28.57% |
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| Total | 1372 | 100.00% | 7 | 100.00% |
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