sound/soc/tegra-alt/tegra114_amx_alt.h

   1 /*
   2  * tegra114_amx_alt.h - Definitions for Tegra114 AMX driver
   3  *
   4  * Copyright (c) 2013-2014 NVIDIA CORPORATION.  All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHIN
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef __TEGRA114_AMX_ALT_H__
  20 #define __TEGRA114_AMX_ALT_H__
  21
  22 #define TEGRA_AMX_AUDIOCIF_CH_STRIDE 4
  23
  24 /* Register offsets from TEGRA_AMX*_BASE */
  25 #define TEGRA_AMX_CTRL                  0x00
  26 #define TEGRA_AMX_IN_CH_CTRL                    0x04
  27 #define TEGRA_AMX_OUT_BYTE_EN0          0x08
  28 #define TEGRA_AMX_OUT_BYTE_EN1          0x0c
  29 #define TEGRA_AMX_AUDIORAMCTL_AMX_CTRL  0x10
  30 #define TEGRA_AMX_AUDIORAMCTL_AMX_DATA  0x14
  31 #define TEGRA_AMX_AUDIOCIF_OUT_CTRL             0x18
  32 #define TEGRA_AMX_AUDIOCIF_CH0_CTRL             0x1c
  33 #define TEGRA_AMX_AUDIOCIF_CH1_CTRL             0x20
  34 #define TEGRA_AMX_AUDIOCIF_CH2_CTRL             0x24
  35 #define TEGRA_AMX_AUDIOCIF_CH3_CTRL             0x28
  36
  37 /* Fields in TEGRA_AMX_CTRL */
  38 #define TEGRA_AMX_CTRL_SOFT_RESET_SHIFT 31
  39 #define TEGRA_AMX_CTRL_SOFT_RESET               (1 << TEGRA_AMX_CTRL_SOFT_RESET_SHIFT)
  40 #define TEGRA_AMX_CTRL_CG_EN_SHIFT              30
  41
  42 #define TEGRA_AMX_CTRL_MSTR_CH_NUM_SHIFT                10
  43 #define TEGRA_AMX_CTRL_MSTR_CH_NUM_MASK         (3 << TEGRA_AMX_CTRL_MSTR_CH_NUM_SHIFT)
  44
  45 #define TEGRA_AMX_CTRL_CH_DEP_SHIFT             8
  46 #define TEGRA_AMX_CTRL_CH_DEP_MASK                      (3 << TEGRA_AMX_CTRL_CH_DEP_SHIFT)
  47 #define TEGRA_AMX_CTRL_CH_DEP_WT_ON_ALL         0
  48 #define TEGRA_AMX_CTRL_CH_DEP_WT_ON_ANY         (1 << TEGRA_AMX_CTRL_CH_DEP_SHIFT)
  49 #define TEGRA_AMX_CTRL_CH_DEP_WT_ON_MASTER              (2 << TEGRA_AMX_CTRL_CH_DEP_SHIFT)
  50 #define TEGRA_AMX_CTRL_CH_DEP_RSVD                      (3 << TEGRA_AMX_CTRL_CH_DEP_SHIFT)
  51
  52 /* Fields in TEGRA_AMX_IN_CH_CTRL */
  53 #define TEGRA_AMX_IN_CH_ENABLE  1
  54 #define TEGRA_AMX_IN_CH_DISABLE 0
  55 #define TEGRA_AMX_IN_CH_CTRL_CH3_FORCE_DISABLE_SHIFT            11
  56 #define TEGRA_AMX_IN_CH_CTRL_CH2_FORCE_DISABLE_SHIFT            10
  57 #define TEGRA_AMX_IN_CH_CTRL_CH1_FORCE_DISABLE_SHIFT            9
  58 #define TEGRA_AMX_IN_CH_CTRL_CH0_FORCE_DISABLE_SHIFT            8
  59 #define TEGRA_AMX_IN_CH_CTRL_CH3_DISABLE_SHIFT          3
  60 #define TEGRA_AMX_IN_CH_CTRL_CH2_DISABLE_SHIFT          2
  61 #define TEGRA_AMX_IN_CH_CTRL_CH1_DISABLE_SHIFT          1
  62 #define TEGRA_AMX_IN_CH_CTRL_CH0_DISABLE_SHIFT          0
  63
  64 /* Fields in TEGRA_AMX_AUDIORAMCTL_AMX_CTRL */
  65 #define TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_RAM_ADR_SHIFT            0
  66 #define TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_HW_ADR_EN_SHIFT  12
  67 #define TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_RESET_HW_ADR_SHIFT       13
  68 #define TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_RW_SHIFT         14
  69 #define TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_READ_BUSY_SHIFT  31
  70
  71 #define TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_HW_ADR_EN_ENABLE (1 << TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_HW_ADR_EN_SHIFT)
  72 #define TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_HW_ADR_EN_DISABLE        0
  73 #define TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_RW_READ          0
  74 #define TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_RW_WRITE         (1 << TEGRA_AMX_AUDIORAMCTL_AMX_CTRL_RW_SHIFT)
  75
  76 /*
  77  * Those defines are not in register field.
  78  */
  79 #define TEGRA_AMX_RAM_DEPTH                     16
  80 #define TEGRA_AMX_MAP_STREAM_NUMBER_SHIFT       6
  81 #define TEGRA_AMX_MAP_WORD_NUMBER_SHIFT 2
  82 #define TEGRA_AMX_MAP_BYTE_NUMBER_SHIFT 0
  83
  84 /* Fields in TEGRA_AMX_AUDIOCIF_IN_CTRL */
  85 /* Uses field from AUDIOCIF_CTRL_* in tegra_cif_utils_alt.h */
  86
  87 /* Fields in TEGRA_AMX_AUDIOCIF_CH0_CTRL */
  88 /* Uses field from AUDIOCIF_CTRL_* in tegra_cif_utils_alt.h */
  89
  90 /* Fields in TEGRA_AMX_AUDIOCIF_CH1_CTRL */
  91 /* Uses field from AUDIOCIF_CTRL_* in tegra_cif_utils_alt.h */
  92
  93 /* Fields in TEGRA_AMX_AUDIOCIF_CH2_CTRL */
  94 /* Uses field from AUDIOCIF_CTRL_* in tegra_cif_utils_alt.h */
  95
  96 /* Fields in TEGRA_AMX_AUDIOCIF_CH3_CTRL */
  97 /* Uses field from AUDIOCIF_CTRL_* in tegra_cif_utils_alt.h */
  98
  99 enum {
 100         TEGRA_AMX_WAIT_ON_ALL,
 101         TEGRA_AMX_WAIT_ON_ANY,
 102         TEGRA_AMX_WAIT_ON_MASTER,
 103 };
 104
 105 enum {
 106         /* Code assumes that IN_STREAM values of AMX start at 0 */
 107         TEGRA_AMX_IN_STREAM0 = 0,
 108         TEGRA_AMX_IN_STREAM1,
 109         TEGRA_AMX_IN_STREAM2,
 110         TEGRA_AMX_IN_STREAM3,
 111         TEGRA_AMX_OUT_STREAM,
 112         TEGRA_AMX_TOTAL_STREAM
 113 };
 114
 115 struct tegra114_amx_soc_data {
 116         void (*set_audio_cif)(struct regmap *map,
 117                         unsigned int reg,
 118                         struct tegra30_xbar_cif_conf *conf);
 119 };
 120
 121 struct tegra114_amx {
 122         struct clk *clk_amx;
 123         struct regmap *regmap;
 124         unsigned int map[16];
 125         const struct tegra114_amx_soc_data *soc_data;
 126 };
 127
 128 #endif