root/sound/soc/pxa/mmp-sspa.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * linux/sound/soc/pxa/mmp-sspa.h
   4  *
   5  * Copyright (C) 2011 Marvell International Ltd.
   6  */
   7 #ifndef _MMP_SSPA_H
   8 #define _MMP_SSPA_H
   9 
  10 /*
  11  * SSPA Registers
  12  */
  13 #define SSPA_RXD                (0x00)
  14 #define SSPA_RXID               (0x04)
  15 #define SSPA_RXCTL              (0x08)
  16 #define SSPA_RXSP               (0x0c)
  17 #define SSPA_RXFIFO_UL          (0x10)
  18 #define SSPA_RXINT_MASK         (0x14)
  19 #define SSPA_RXC                (0x18)
  20 #define SSPA_RXFIFO_NOFS        (0x1c)
  21 #define SSPA_RXFIFO_SIZE        (0x20)
  22 
  23 #define SSPA_TXD                (0x80)
  24 #define SSPA_TXID               (0x84)
  25 #define SSPA_TXCTL              (0x88)
  26 #define SSPA_TXSP               (0x8c)
  27 #define SSPA_TXFIFO_LL          (0x90)
  28 #define SSPA_TXINT_MASK         (0x94)
  29 #define SSPA_TXC                (0x98)
  30 #define SSPA_TXFIFO_NOFS        (0x9c)
  31 #define SSPA_TXFIFO_SIZE        (0xa0)
  32 
  33 /* SSPA Control Register */
  34 #define SSPA_CTL_XPH            (1 << 31)       /* Read Phase */
  35 #define SSPA_CTL_XFIG           (1 << 15)       /* Transmit Zeros when FIFO Empty */
  36 #define SSPA_CTL_JST            (1 << 3)        /* Audio Sample Justification */
  37 #define SSPA_CTL_XFRLEN2_MASK   (7 << 24)
  38 #define SSPA_CTL_XFRLEN2(x)     ((x) << 24)     /* Transmit Frame Length in Phase 2 */
  39 #define SSPA_CTL_XWDLEN2_MASK   (7 << 21)
  40 #define SSPA_CTL_XWDLEN2(x)     ((x) << 21)     /* Transmit Word Length in Phase 2 */
  41 #define SSPA_CTL_XDATDLY(x)     ((x) << 19)     /* Tansmit Data Delay */
  42 #define SSPA_CTL_XSSZ2_MASK     (7 << 16)
  43 #define SSPA_CTL_XSSZ2(x)       ((x) << 16)     /* Transmit Sample Audio Size */
  44 #define SSPA_CTL_XFRLEN1_MASK   (7 << 8)
  45 #define SSPA_CTL_XFRLEN1(x)     ((x) << 8)      /* Transmit Frame Length in Phase 1 */
  46 #define SSPA_CTL_XWDLEN1_MASK   (7 << 5)
  47 #define SSPA_CTL_XWDLEN1(x)     ((x) << 5)      /* Transmit Word Length in Phase 1 */
  48 #define SSPA_CTL_XSSZ1_MASK     (7 << 0)
  49 #define SSPA_CTL_XSSZ1(x)       ((x) << 0)      /* XSSZ1 */
  50 
  51 #define SSPA_CTL_8_BITS         (0x0)           /* Sample Size */
  52 #define SSPA_CTL_12_BITS        (0x1)
  53 #define SSPA_CTL_16_BITS        (0x2)
  54 #define SSPA_CTL_20_BITS        (0x3)
  55 #define SSPA_CTL_24_BITS        (0x4)
  56 #define SSPA_CTL_32_BITS        (0x5)
  57 
  58 /* SSPA Serial Port Register */
  59 #define SSPA_SP_WEN             (1 << 31)       /* Write Configuration Enable */
  60 #define SSPA_SP_MSL             (1 << 18)       /* Master Slave Configuration */
  61 #define SSPA_SP_CLKP            (1 << 17)       /* CLKP Polarity Clock Edge Select */
  62 #define SSPA_SP_FSP             (1 << 16)       /* FSP Polarity Clock Edge Select */
  63 #define SSPA_SP_FFLUSH          (1 << 2)        /* FIFO Flush */
  64 #define SSPA_SP_S_RST           (1 << 1)        /* Active High Reset Signal */
  65 #define SSPA_SP_S_EN            (1 << 0)        /* Serial Clock Domain Enable */
  66 #define SSPA_SP_FWID(x)         ((x) << 20)     /* Frame-Sync Width */
  67 #define SSPA_TXSP_FPER(x)       ((x) << 4)      /* Frame-Sync Active */
  68 
  69 /* sspa clock sources */
  70 #define MMP_SSPA_CLK_PLL        0
  71 #define MMP_SSPA_CLK_VCXO       1
  72 #define MMP_SSPA_CLK_AUDIO      3
  73 
  74 /* sspa pll id */
  75 #define MMP_SYSCLK              0
  76 #define MMP_SSPA_CLK            1
  77 
  78 #endif /* _MMP_SSPA_H */