include/linux/soundwire/sdw_registers.h

   1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
   2 // Copyright(c) 2015-17 Intel Corporation.
   3
   4 #ifndef __SDW_REGISTERS_H
   5 #define __SDW_REGISTERS_H
   6
   7 /*
   8  * typically we define register and shifts but if one observes carefully,
   9  * the shift can be generated from MASKS using few bit primitaives like ffs
  10  * etc, so we use that and avoid defining shifts
  11  */
  12 #define SDW_REG_SHIFT(n)                        (ffs(n) - 1)
  13
  14 /*
  15  * SDW registers as defined by MIPI 1.1 Spec
  16  */
  17 #define SDW_REGADDR                             GENMASK(14, 0)
  18 #define SDW_SCP_ADDRPAGE2_MASK                  GENMASK(22, 15)
  19 #define SDW_SCP_ADDRPAGE1_MASK                  GENMASK(30, 23)
  20
  21 #define SDW_REG_NO_PAGE                         0x00008000
  22 #define SDW_REG_OPTIONAL_PAGE                   0x00010000
  23 #define SDW_REG_MAX                             0x80000000
  24
  25 #define SDW_DPN_SIZE                            0x100
  26 #define SDW_BANK1_OFFSET                        0x10
  27
  28 /*
  29  * DP0 Interrupt register & bits
  30  *
  31  * Spec treats Status (RO) and Clear (WC) as separate but they are same
  32  * address, so treat as same register with WC.
  33  */
  34
  35 /* both INT and STATUS register are same */
  36 #define SDW_DP0_INT                             0x0
  37 #define SDW_DP0_INTMASK                         0x1
  38 #define SDW_DP0_PORTCTRL                        0x2
  39 #define SDW_DP0_BLOCKCTRL1                      0x3
  40 #define SDW_DP0_PREPARESTATUS                   0x4
  41 #define SDW_DP0_PREPARECTRL                     0x5
  42
  43 #define SDW_DP0_INT_TEST_FAIL                   BIT(0)
  44 #define SDW_DP0_INT_PORT_READY                  BIT(1)
  45 #define SDW_DP0_INT_BRA_FAILURE                 BIT(2)
  46 #define SDW_DP0_INT_IMPDEF1                     BIT(5)
  47 #define SDW_DP0_INT_IMPDEF2                     BIT(6)
  48 #define SDW_DP0_INT_IMPDEF3                     BIT(7)
  49
  50 #define SDW_DP0_PORTCTRL_DATAMODE               GENMASK(3, 2)
  51 #define SDW_DP0_PORTCTRL_NXTINVBANK             BIT(4)
  52 #define SDW_DP0_PORTCTRL_BPT_PAYLD              GENMASK(7, 6)
  53
  54 #define SDW_DP0_CHANNELEN                       0x20
  55 #define SDW_DP0_SAMPLECTRL1                     0x22
  56 #define SDW_DP0_SAMPLECTRL2                     0x23
  57 #define SDW_DP0_OFFSETCTRL1                     0x24
  58 #define SDW_DP0_OFFSETCTRL2                     0x25
  59 #define SDW_DP0_HCTRL                           0x26
  60 #define SDW_DP0_LANECTRL                        0x28
  61
  62 /* Both INT and STATUS register are same */
  63 #define SDW_SCP_INT1                            0x40
  64 #define SDW_SCP_INTMASK1                        0x41
  65
  66 #define SDW_SCP_INT1_PARITY                     BIT(0)
  67 #define SDW_SCP_INT1_BUS_CLASH                  BIT(1)
  68 #define SDW_SCP_INT1_IMPL_DEF                   BIT(2)
  69 #define SDW_SCP_INT1_SCP2_CASCADE               BIT(7)
  70 #define SDW_SCP_INT1_PORT0_3                    GENMASK(6, 3)
  71
  72 #define SDW_SCP_INTSTAT2                        0x42
  73 #define SDW_SCP_INTSTAT2_SCP3_CASCADE           BIT(7)
  74 #define SDW_SCP_INTSTAT2_PORT4_10               GENMASK(6, 0)
  75
  76
  77 #define SDW_SCP_INTSTAT3                        0x43
  78 #define SDW_SCP_INTSTAT3_PORT11_14              GENMASK(3, 0)
  79
  80 /* Number of interrupt status registers */
  81 #define SDW_NUM_INT_STAT_REGISTERS              3
  82
  83 /* Number of interrupt clear registers */
  84 #define SDW_NUM_INT_CLEAR_REGISTERS             1
  85
  86 #define SDW_SCP_CTRL                            0x44
  87 #define SDW_SCP_CTRL_CLK_STP_NOW                BIT(1)
  88 #define SDW_SCP_CTRL_FORCE_RESET                BIT(7)
  89
  90 #define SDW_SCP_STAT                            0x44
  91 #define SDW_SCP_STAT_CLK_STP_NF                 BIT(0)
  92 #define SDW_SCP_STAT_HPHY_NOK                   BIT(5)
  93 #define SDW_SCP_STAT_CURR_BANK                  BIT(6)
  94
  95 #define SDW_SCP_SYSTEMCTRL                      0x45
  96 #define SDW_SCP_SYSTEMCTRL_CLK_STP_PREP         BIT(0)
  97 #define SDW_SCP_SYSTEMCTRL_CLK_STP_MODE         BIT(2)
  98 #define SDW_SCP_SYSTEMCTRL_WAKE_UP_EN           BIT(3)
  99 #define SDW_SCP_SYSTEMCTRL_HIGH_PHY             BIT(4)
 100
 101 #define SDW_SCP_SYSTEMCTRL_CLK_STP_MODE0        0
 102 #define SDW_SCP_SYSTEMCTRL_CLK_STP_MODE1        BIT(2)
 103
 104 #define SDW_SCP_DEVNUMBER                       0x46
 105 #define SDW_SCP_HIGH_PHY_CHECK                  0x47
 106 #define SDW_SCP_ADDRPAGE1                       0x48
 107 #define SDW_SCP_ADDRPAGE2                       0x49
 108 #define SDW_SCP_KEEPEREN                        0x4A
 109 #define SDW_SCP_BANKDELAY                       0x4B
 110 #define SDW_SCP_TESTMODE                        0x4F
 111 #define SDW_SCP_DEVID_0                         0x50
 112 #define SDW_SCP_DEVID_1                         0x51
 113 #define SDW_SCP_DEVID_2                         0x52
 114 #define SDW_SCP_DEVID_3                         0x53
 115 #define SDW_SCP_DEVID_4                         0x54
 116 #define SDW_SCP_DEVID_5                         0x55
 117
 118 /* Banked Registers */
 119 #define SDW_SCP_FRAMECTRL_B0                    0x60
 120 #define SDW_SCP_FRAMECTRL_B1                    (0x60 + SDW_BANK1_OFFSET)
 121 #define SDW_SCP_NEXTFRAME_B0                    0x61
 122 #define SDW_SCP_NEXTFRAME_B1                    (0x61 + SDW_BANK1_OFFSET)
 123
 124 /* Both INT and STATUS register is same */
 125 #define SDW_DPN_INT(n)                          (0x0 + SDW_DPN_SIZE * (n))
 126 #define SDW_DPN_INTMASK(n)                      (0x1 + SDW_DPN_SIZE * (n))
 127 #define SDW_DPN_PORTCTRL(n)                     (0x2 + SDW_DPN_SIZE * (n))
 128 #define SDW_DPN_BLOCKCTRL1(n)                   (0x3 + SDW_DPN_SIZE * (n))
 129 #define SDW_DPN_PREPARESTATUS(n)                (0x4 + SDW_DPN_SIZE * (n))
 130 #define SDW_DPN_PREPARECTRL(n)                  (0x5 + SDW_DPN_SIZE * (n))
 131
 132 #define SDW_DPN_INT_TEST_FAIL                   BIT(0)
 133 #define SDW_DPN_INT_PORT_READY                  BIT(1)
 134 #define SDW_DPN_INT_IMPDEF1                     BIT(5)
 135 #define SDW_DPN_INT_IMPDEF2                     BIT(6)
 136 #define SDW_DPN_INT_IMPDEF3                     BIT(7)
 137
 138 #define SDW_DPN_PORTCTRL_FLOWMODE               GENMASK(1, 0)
 139 #define SDW_DPN_PORTCTRL_DATAMODE               GENMASK(3, 2)
 140 #define SDW_DPN_PORTCTRL_NXTINVBANK             BIT(4)
 141
 142 #define SDW_DPN_BLOCKCTRL1_WDLEN                GENMASK(5, 0)
 143
 144 #define SDW_DPN_PREPARECTRL_CH_PREP             GENMASK(7, 0)
 145
 146 #define SDW_DPN_CHANNELEN_B0(n)                 (0x20 + SDW_DPN_SIZE * (n))
 147 #define SDW_DPN_CHANNELEN_B1(n)                 (0x30 + SDW_DPN_SIZE * (n))
 148
 149 #define SDW_DPN_BLOCKCTRL2_B0(n)                (0x21 + SDW_DPN_SIZE * (n))
 150 #define SDW_DPN_BLOCKCTRL2_B1(n)                (0x31 + SDW_DPN_SIZE * (n))
 151
 152 #define SDW_DPN_SAMPLECTRL1_B0(n)               (0x22 + SDW_DPN_SIZE * (n))
 153 #define SDW_DPN_SAMPLECTRL1_B1(n)               (0x32 + SDW_DPN_SIZE * (n))
 154
 155 #define SDW_DPN_SAMPLECTRL2_B0(n)               (0x23 + SDW_DPN_SIZE * (n))
 156 #define SDW_DPN_SAMPLECTRL2_B1(n)               (0x33 + SDW_DPN_SIZE * (n))
 157
 158 #define SDW_DPN_OFFSETCTRL1_B0(n)               (0x24 + SDW_DPN_SIZE * (n))
 159 #define SDW_DPN_OFFSETCTRL1_B1(n)               (0x34 + SDW_DPN_SIZE * (n))
 160
 161 #define SDW_DPN_OFFSETCTRL2_B0(n)               (0x25 + SDW_DPN_SIZE * (n))
 162 #define SDW_DPN_OFFSETCTRL2_B1(n)               (0x35 + SDW_DPN_SIZE * (n))
 163
 164 #define SDW_DPN_HCTRL_B0(n)                     (0x26 + SDW_DPN_SIZE * (n))
 165 #define SDW_DPN_HCTRL_B1(n)                     (0x36 + SDW_DPN_SIZE * (n))
 166
 167 #define SDW_DPN_BLOCKCTRL3_B0(n)                (0x27 + SDW_DPN_SIZE * (n))
 168 #define SDW_DPN_BLOCKCTRL3_B1(n)                (0x37 + SDW_DPN_SIZE * (n))
 169
 170 #define SDW_DPN_LANECTRL_B0(n)                  (0x28 + SDW_DPN_SIZE * (n))
 171 #define SDW_DPN_LANECTRL_B1(n)                  (0x38 + SDW_DPN_SIZE * (n))
 172
 173 #define SDW_DPN_SAMPLECTRL_LOW                  GENMASK(7, 0)
 174 #define SDW_DPN_SAMPLECTRL_HIGH                 GENMASK(15, 8)
 175
 176 #define SDW_DPN_HCTRL_HSTART                    GENMASK(7, 4)
 177 #define SDW_DPN_HCTRL_HSTOP                     GENMASK(3, 0)
 178
 179 #define SDW_NUM_CASC_PORT_INTSTAT1              4
 180 #define SDW_CASC_PORT_START_INTSTAT1            0
 181 #define SDW_CASC_PORT_MASK_INTSTAT1             0x8
 182 #define SDW_CASC_PORT_REG_OFFSET_INTSTAT1       0x0
 183
 184 #define SDW_NUM_CASC_PORT_INTSTAT2              7
 185 #define SDW_CASC_PORT_START_INTSTAT2            4
 186 #define SDW_CASC_PORT_MASK_INTSTAT2             1
 187 #define SDW_CASC_PORT_REG_OFFSET_INTSTAT2       1
 188
 189 #define SDW_NUM_CASC_PORT_INTSTAT3              4
 190 #define SDW_CASC_PORT_START_INTSTAT3            11
 191 #define SDW_CASC_PORT_MASK_INTSTAT3             1
 192 #define SDW_CASC_PORT_REG_OFFSET_INTSTAT3       2
 193
 194 #endif /* __SDW_REGISTERS_H */