Timur Tabi | 17467f2 | 2008-01-11 18:15:26 +0100 | [diff] [blame] | 1 | /* |
| 2 | * fsl_ssi.h - ALSA SSI interface for the Freescale MPC8610 SoC |
| 3 | * |
| 4 | * Author: Timur Tabi <timur@freescale.com> |
| 5 | * |
| 6 | * Copyright 2007-2008 Freescale Semiconductor, Inc. This file is licensed |
| 7 | * under the terms of the GNU General Public License version 2. This |
| 8 | * program is licensed "as is" without any warranty of any kind, whether |
| 9 | * express or implied. |
| 10 | */ |
| 11 | |
| 12 | #ifndef _MPC8610_I2S_H |
| 13 | #define _MPC8610_I2S_H |
| 14 | |
| 15 | /* SSI Register Map */ |
| 16 | struct ccsr_ssi { |
| 17 | __be32 stx0; /* 0x.0000 - SSI Transmit Data Register 0 */ |
| 18 | __be32 stx1; /* 0x.0004 - SSI Transmit Data Register 1 */ |
| 19 | __be32 srx0; /* 0x.0008 - SSI Receive Data Register 0 */ |
| 20 | __be32 srx1; /* 0x.000C - SSI Receive Data Register 1 */ |
| 21 | __be32 scr; /* 0x.0010 - SSI Control Register */ |
| 22 | __be32 sisr; /* 0x.0014 - SSI Interrupt Status Register Mixed */ |
| 23 | __be32 sier; /* 0x.0018 - SSI Interrupt Enable Register */ |
| 24 | __be32 stcr; /* 0x.001C - SSI Transmit Configuration Register */ |
| 25 | __be32 srcr; /* 0x.0020 - SSI Receive Configuration Register */ |
| 26 | __be32 stccr; /* 0x.0024 - SSI Transmit Clock Control Register */ |
| 27 | __be32 srccr; /* 0x.0028 - SSI Receive Clock Control Register */ |
| 28 | __be32 sfcsr; /* 0x.002C - SSI FIFO Control/Status Register */ |
| 29 | __be32 str; /* 0x.0030 - SSI Test Register */ |
| 30 | __be32 sor; /* 0x.0034 - SSI Option Register */ |
| 31 | __be32 sacnt; /* 0x.0038 - SSI AC97 Control Register */ |
| 32 | __be32 sacadd; /* 0x.003C - SSI AC97 Command Address Register */ |
| 33 | __be32 sacdat; /* 0x.0040 - SSI AC97 Command Data Register */ |
| 34 | __be32 satag; /* 0x.0044 - SSI AC97 Tag Register */ |
| 35 | __be32 stmsk; /* 0x.0048 - SSI Transmit Time Slot Mask Register */ |
| 36 | __be32 srmsk; /* 0x.004C - SSI Receive Time Slot Mask Register */ |
| 37 | __be32 saccst; /* 0x.0050 - SSI AC97 Channel Status Register */ |
| 38 | __be32 saccen; /* 0x.0054 - SSI AC97 Channel Enable Register */ |
| 39 | __be32 saccdis; /* 0x.0058 - SSI AC97 Channel Disable Register */ |
| 40 | }; |
| 41 | |
| 42 | #define CCSR_SSI_SCR_RFR_CLK_DIS 0x00000800 |
| 43 | #define CCSR_SSI_SCR_TFR_CLK_DIS 0x00000400 |
| 44 | #define CCSR_SSI_SCR_TCH_EN 0x00000100 |
| 45 | #define CCSR_SSI_SCR_SYS_CLK_EN 0x00000080 |
| 46 | #define CCSR_SSI_SCR_I2S_MODE_MASK 0x00000060 |
| 47 | #define CCSR_SSI_SCR_I2S_MODE_NORMAL 0x00000000 |
| 48 | #define CCSR_SSI_SCR_I2S_MODE_MASTER 0x00000020 |
| 49 | #define CCSR_SSI_SCR_I2S_MODE_SLAVE 0x00000040 |
| 50 | #define CCSR_SSI_SCR_SYN 0x00000010 |
| 51 | #define CCSR_SSI_SCR_NET 0x00000008 |
| 52 | #define CCSR_SSI_SCR_RE 0x00000004 |
| 53 | #define CCSR_SSI_SCR_TE 0x00000002 |
| 54 | #define CCSR_SSI_SCR_SSIEN 0x00000001 |
| 55 | |
| 56 | #define CCSR_SSI_SISR_RFRC 0x01000000 |
| 57 | #define CCSR_SSI_SISR_TFRC 0x00800000 |
| 58 | #define CCSR_SSI_SISR_CMDAU 0x00040000 |
| 59 | #define CCSR_SSI_SISR_CMDDU 0x00020000 |
| 60 | #define CCSR_SSI_SISR_RXT 0x00010000 |
| 61 | #define CCSR_SSI_SISR_RDR1 0x00008000 |
| 62 | #define CCSR_SSI_SISR_RDR0 0x00004000 |
| 63 | #define CCSR_SSI_SISR_TDE1 0x00002000 |
| 64 | #define CCSR_SSI_SISR_TDE0 0x00001000 |
| 65 | #define CCSR_SSI_SISR_ROE1 0x00000800 |
| 66 | #define CCSR_SSI_SISR_ROE0 0x00000400 |
| 67 | #define CCSR_SSI_SISR_TUE1 0x00000200 |
| 68 | #define CCSR_SSI_SISR_TUE0 0x00000100 |
| 69 | #define CCSR_SSI_SISR_TFS 0x00000080 |
| 70 | #define CCSR_SSI_SISR_RFS 0x00000040 |
| 71 | #define CCSR_SSI_SISR_TLS 0x00000020 |
| 72 | #define CCSR_SSI_SISR_RLS 0x00000010 |
| 73 | #define CCSR_SSI_SISR_RFF1 0x00000008 |
| 74 | #define CCSR_SSI_SISR_RFF0 0x00000004 |
| 75 | #define CCSR_SSI_SISR_TFE1 0x00000002 |
| 76 | #define CCSR_SSI_SISR_TFE0 0x00000001 |
| 77 | |
| 78 | #define CCSR_SSI_SIER_RFRC_EN 0x01000000 |
| 79 | #define CCSR_SSI_SIER_TFRC_EN 0x00800000 |
| 80 | #define CCSR_SSI_SIER_RDMAE 0x00400000 |
| 81 | #define CCSR_SSI_SIER_RIE 0x00200000 |
| 82 | #define CCSR_SSI_SIER_TDMAE 0x00100000 |
| 83 | #define CCSR_SSI_SIER_TIE 0x00080000 |
| 84 | #define CCSR_SSI_SIER_CMDAU_EN 0x00040000 |
| 85 | #define CCSR_SSI_SIER_CMDDU_EN 0x00020000 |
| 86 | #define CCSR_SSI_SIER_RXT_EN 0x00010000 |
| 87 | #define CCSR_SSI_SIER_RDR1_EN 0x00008000 |
| 88 | #define CCSR_SSI_SIER_RDR0_EN 0x00004000 |
| 89 | #define CCSR_SSI_SIER_TDE1_EN 0x00002000 |
| 90 | #define CCSR_SSI_SIER_TDE0_EN 0x00001000 |
| 91 | #define CCSR_SSI_SIER_ROE1_EN 0x00000800 |
| 92 | #define CCSR_SSI_SIER_ROE0_EN 0x00000400 |
| 93 | #define CCSR_SSI_SIER_TUE1_EN 0x00000200 |
| 94 | #define CCSR_SSI_SIER_TUE0_EN 0x00000100 |
| 95 | #define CCSR_SSI_SIER_TFS_EN 0x00000080 |
| 96 | #define CCSR_SSI_SIER_RFS_EN 0x00000040 |
| 97 | #define CCSR_SSI_SIER_TLS_EN 0x00000020 |
| 98 | #define CCSR_SSI_SIER_RLS_EN 0x00000010 |
| 99 | #define CCSR_SSI_SIER_RFF1_EN 0x00000008 |
| 100 | #define CCSR_SSI_SIER_RFF0_EN 0x00000004 |
| 101 | #define CCSR_SSI_SIER_TFE1_EN 0x00000002 |
| 102 | #define CCSR_SSI_SIER_TFE0_EN 0x00000001 |
| 103 | |
| 104 | #define CCSR_SSI_STCR_TXBIT0 0x00000200 |
| 105 | #define CCSR_SSI_STCR_TFEN1 0x00000100 |
| 106 | #define CCSR_SSI_STCR_TFEN0 0x00000080 |
| 107 | #define CCSR_SSI_STCR_TFDIR 0x00000040 |
| 108 | #define CCSR_SSI_STCR_TXDIR 0x00000020 |
| 109 | #define CCSR_SSI_STCR_TSHFD 0x00000010 |
| 110 | #define CCSR_SSI_STCR_TSCKP 0x00000008 |
| 111 | #define CCSR_SSI_STCR_TFSI 0x00000004 |
| 112 | #define CCSR_SSI_STCR_TFSL 0x00000002 |
| 113 | #define CCSR_SSI_STCR_TEFS 0x00000001 |
| 114 | |
| 115 | #define CCSR_SSI_SRCR_RXEXT 0x00000400 |
| 116 | #define CCSR_SSI_SRCR_RXBIT0 0x00000200 |
| 117 | #define CCSR_SSI_SRCR_RFEN1 0x00000100 |
| 118 | #define CCSR_SSI_SRCR_RFEN0 0x00000080 |
| 119 | #define CCSR_SSI_SRCR_RFDIR 0x00000040 |
| 120 | #define CCSR_SSI_SRCR_RXDIR 0x00000020 |
| 121 | #define CCSR_SSI_SRCR_RSHFD 0x00000010 |
| 122 | #define CCSR_SSI_SRCR_RSCKP 0x00000008 |
| 123 | #define CCSR_SSI_SRCR_RFSI 0x00000004 |
| 124 | #define CCSR_SSI_SRCR_RFSL 0x00000002 |
| 125 | #define CCSR_SSI_SRCR_REFS 0x00000001 |
| 126 | |
| 127 | /* STCCR and SRCCR */ |
| 128 | #define CCSR_SSI_SxCCR_DIV2 0x00040000 |
| 129 | #define CCSR_SSI_SxCCR_PSR 0x00020000 |
| 130 | #define CCSR_SSI_SxCCR_WL_SHIFT 13 |
| 131 | #define CCSR_SSI_SxCCR_WL_MASK 0x0001E000 |
| 132 | #define CCSR_SSI_SxCCR_WL(x) \ |
| 133 | (((((x) / 2) - 1) << CCSR_SSI_SxCCR_WL_SHIFT) & CCSR_SSI_SxCCR_WL_MASK) |
| 134 | #define CCSR_SSI_SxCCR_DC_SHIFT 8 |
| 135 | #define CCSR_SSI_SxCCR_DC_MASK 0x00001F00 |
| 136 | #define CCSR_SSI_SxCCR_DC(x) \ |
| 137 | ((((x) - 1) << CCSR_SSI_SxCCR_DC_SHIFT) & CCSR_SSI_SxCCR_DC_MASK) |
| 138 | #define CCSR_SSI_SxCCR_PM_SHIFT 0 |
| 139 | #define CCSR_SSI_SxCCR_PM_MASK 0x000000FF |
| 140 | #define CCSR_SSI_SxCCR_PM(x) \ |
| 141 | ((((x) - 1) << CCSR_SSI_SxCCR_PM_SHIFT) & CCSR_SSI_SxCCR_PM_MASK) |
| 142 | |
| 143 | /* |
| 144 | * The xFCNT bits are read-only, and the xFWM bits are read/write. Use the |
| 145 | * CCSR_SSI_SFCSR_xFCNTy() macros to read the FIFO counters, and use the |
| 146 | * CCSR_SSI_SFCSR_xFWMy() macros to set the watermarks. |
| 147 | */ |
| 148 | #define CCSR_SSI_SFCSR_RFCNT1_SHIFT 28 |
| 149 | #define CCSR_SSI_SFCSR_RFCNT1_MASK 0xF0000000 |
| 150 | #define CCSR_SSI_SFCSR_RFCNT1(x) \ |
| 151 | (((x) & CCSR_SSI_SFCSR_RFCNT1_MASK) >> CCSR_SSI_SFCSR_RFCNT1_SHIFT) |
| 152 | #define CCSR_SSI_SFCSR_TFCNT1_SHIFT 24 |
| 153 | #define CCSR_SSI_SFCSR_TFCNT1_MASK 0x0F000000 |
| 154 | #define CCSR_SSI_SFCSR_TFCNT1(x) \ |
| 155 | (((x) & CCSR_SSI_SFCSR_TFCNT1_MASK) >> CCSR_SSI_SFCSR_TFCNT1_SHIFT) |
| 156 | #define CCSR_SSI_SFCSR_RFWM1_SHIFT 20 |
| 157 | #define CCSR_SSI_SFCSR_RFWM1_MASK 0x00F00000 |
| 158 | #define CCSR_SSI_SFCSR_RFWM1(x) \ |
| 159 | (((x) << CCSR_SSI_SFCSR_RFWM1_SHIFT) & CCSR_SSI_SFCSR_RFWM1_MASK) |
| 160 | #define CCSR_SSI_SFCSR_TFWM1_SHIFT 16 |
| 161 | #define CCSR_SSI_SFCSR_TFWM1_MASK 0x000F0000 |
| 162 | #define CCSR_SSI_SFCSR_TFWM1(x) \ |
| 163 | (((x) << CCSR_SSI_SFCSR_TFWM1_SHIFT) & CCSR_SSI_SFCSR_TFWM1_MASK) |
| 164 | #define CCSR_SSI_SFCSR_RFCNT0_SHIFT 12 |
| 165 | #define CCSR_SSI_SFCSR_RFCNT0_MASK 0x0000F000 |
| 166 | #define CCSR_SSI_SFCSR_RFCNT0(x) \ |
| 167 | (((x) & CCSR_SSI_SFCSR_RFCNT0_MASK) >> CCSR_SSI_SFCSR_RFCNT0_SHIFT) |
| 168 | #define CCSR_SSI_SFCSR_TFCNT0_SHIFT 8 |
| 169 | #define CCSR_SSI_SFCSR_TFCNT0_MASK 0x00000F00 |
| 170 | #define CCSR_SSI_SFCSR_TFCNT0(x) \ |
| 171 | (((x) & CCSR_SSI_SFCSR_TFCNT0_MASK) >> CCSR_SSI_SFCSR_TFCNT0_SHIFT) |
| 172 | #define CCSR_SSI_SFCSR_RFWM0_SHIFT 4 |
| 173 | #define CCSR_SSI_SFCSR_RFWM0_MASK 0x000000F0 |
| 174 | #define CCSR_SSI_SFCSR_RFWM0(x) \ |
| 175 | (((x) << CCSR_SSI_SFCSR_RFWM0_SHIFT) & CCSR_SSI_SFCSR_RFWM0_MASK) |
| 176 | #define CCSR_SSI_SFCSR_TFWM0_SHIFT 0 |
| 177 | #define CCSR_SSI_SFCSR_TFWM0_MASK 0x0000000F |
| 178 | #define CCSR_SSI_SFCSR_TFWM0(x) \ |
| 179 | (((x) << CCSR_SSI_SFCSR_TFWM0_SHIFT) & CCSR_SSI_SFCSR_TFWM0_MASK) |
| 180 | |
| 181 | #define CCSR_SSI_STR_TEST 0x00008000 |
| 182 | #define CCSR_SSI_STR_RCK2TCK 0x00004000 |
| 183 | #define CCSR_SSI_STR_RFS2TFS 0x00002000 |
| 184 | #define CCSR_SSI_STR_RXSTATE(x) (((x) >> 8) & 0x1F) |
| 185 | #define CCSR_SSI_STR_TXD2RXD 0x00000080 |
| 186 | #define CCSR_SSI_STR_TCK2RCK 0x00000040 |
| 187 | #define CCSR_SSI_STR_TFS2RFS 0x00000020 |
| 188 | #define CCSR_SSI_STR_TXSTATE(x) ((x) & 0x1F) |
| 189 | |
| 190 | #define CCSR_SSI_SOR_CLKOFF 0x00000040 |
| 191 | #define CCSR_SSI_SOR_RX_CLR 0x00000020 |
| 192 | #define CCSR_SSI_SOR_TX_CLR 0x00000010 |
| 193 | #define CCSR_SSI_SOR_INIT 0x00000008 |
| 194 | #define CCSR_SSI_SOR_WAIT_SHIFT 1 |
| 195 | #define CCSR_SSI_SOR_WAIT_MASK 0x00000006 |
| 196 | #define CCSR_SSI_SOR_WAIT(x) (((x) & 3) << CCSR_SSI_SOR_WAIT_SHIFT) |
| 197 | #define CCSR_SSI_SOR_SYNRST 0x00000001 |
| 198 | |
| 199 | /* Instantiation data for an SSI interface |
| 200 | * |
| 201 | * This structure contains all the information that the the SSI driver needs |
| 202 | * to instantiate an SSI interface with ALSA. The machine driver should |
| 203 | * create this structure, fill it in, call fsl_ssi_create_dai(), and then |
| 204 | * delete the structure. |
| 205 | * |
| 206 | * id: which SSI this is (0, 1, etc. ) |
| 207 | * ssi: pointer to the SSI's registers |
| 208 | * ssi_phys: physical address of the SSI registers |
| 209 | * irq: IRQ of this SSI |
| 210 | * dev: struct device, used to create the sysfs statistics file |
| 211 | */ |
| 212 | struct fsl_ssi_info { |
| 213 | unsigned int id; |
| 214 | struct ccsr_ssi __iomem *ssi; |
| 215 | dma_addr_t ssi_phys; |
| 216 | unsigned int irq; |
| 217 | struct device *dev; |
| 218 | }; |
| 219 | |
Liam Girdwood | 8cf7b2b | 2008-07-07 16:08:00 +0100 | [diff] [blame] | 220 | struct snd_soc_dai *fsl_ssi_create_dai(struct fsl_ssi_info *ssi_info); |
| 221 | void fsl_ssi_destroy_dai(struct snd_soc_dai *fsl_ssi_dai); |
Timur Tabi | 17467f2 | 2008-01-11 18:15:26 +0100 | [diff] [blame] | 222 | |
| 223 | #endif |
| 224 | |