1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 #ifndef __HAL2_H 3 #define __HAL2_H 4 5 /* 6 * Driver for HAL2 sound processors 7 * Copyright (c) 1999 Ulf Carlsson <ulfc@bun.falkenberg.se> 8 * Copyright (c) 2001, 2002, 2003 Ladislav Michl <ladis@linux-mips.org> 9 */ 10 11 #include <linux/types.h> 12 13 /* Indirect status register */ 14 15 #define H2_ISR_TSTATUS 0x01 /* RO: transaction status 1=busy */ 16 #define H2_ISR_USTATUS 0x02 /* RO: utime status bit 1=armed */ 17 #define H2_ISR_QUAD_MODE 0x04 /* codec mode 0=indigo 1=quad */ 18 #define H2_ISR_GLOBAL_RESET_N 0x08 /* chip global reset 0=reset */ 19 #define H2_ISR_CODEC_RESET_N 0x10 /* codec/synth reset 0=reset */ 20 21 /* Revision register */ 22 23 #define H2_REV_AUDIO_PRESENT 0x8000 /* RO: audio present 0=present */ 24 #define H2_REV_BOARD_M 0x7000 /* RO: bits 14:12, board revision */ 25 #define H2_REV_MAJOR_CHIP_M 0x00F0 /* RO: bits 7:4, major chip revision */ 26 #define H2_REV_MINOR_CHIP_M 0x000F /* RO: bits 3:0, minor chip revision */ 27 28 /* Indirect address register */ 29 30 /* 31 * Address of indirect internal register to be accessed. A write to this 32 * register initiates read or write access to the indirect registers in the 33 * HAL2. Note that there af four indirect data registers for write access to 34 * registers larger than 16 byte. 35 */ 36 37 #define H2_IAR_TYPE_M 0xF000 /* bits 15:12, type of functional */ 38 /* block the register resides in */ 39 /* 1=DMA Port */ 40 /* 9=Global DMA Control */ 41 /* 2=Bresenham */ 42 /* 3=Unix Timer */ 43 #define H2_IAR_NUM_M 0x0F00 /* bits 11:8 instance of the */ 44 /* blockin which the indirect */ 45 /* register resides */ 46 /* If IAR_TYPE_M=DMA Port: */ 47 /* 1=Synth In */ 48 /* 2=AES In */ 49 /* 3=AES Out */ 50 /* 4=DAC Out */ 51 /* 5=ADC Out */ 52 /* 6=Synth Control */ 53 /* If IAR_TYPE_M=Global DMA Control: */ 54 /* 1=Control */ 55 /* If IAR_TYPE_M=Bresenham: */ 56 /* 1=Bresenham Clock Gen 1 */ 57 /* 2=Bresenham Clock Gen 2 */ 58 /* 3=Bresenham Clock Gen 3 */ 59 /* If IAR_TYPE_M=Unix Timer: */ 60 /* 1=Unix Timer */ 61 #define H2_IAR_ACCESS_SELECT 0x0080 /* 1=read 0=write */ 62 #define H2_IAR_PARAM 0x000C /* Parameter Select */ 63 #define H2_IAR_RB_INDEX_M 0x0003 /* Read Back Index */ 64 /* 00:word0 */ 65 /* 01:word1 */ 66 /* 10:word2 */ 67 /* 11:word3 */ 68 /* 69 * HAL2 internal addressing 70 * 71 * The HAL2 has "indirect registers" (idr) which are accessed by writing to the 72 * Indirect Data registers. Write the address to the Indirect Address register 73 * to transfer the data. 74 * 75 * We define the H2IR_* to the read address and H2IW_* to the write address and 76 * H2I_* to be fields in whatever register is referred to. 77 * 78 * When we write to indirect registers which are larger than one word (16 bit) 79 * we have to fill more than one indirect register before writing. When we read 80 * back however we have to read several times, each time with different Read 81 * Back Indexes (there are defs for doing this easily). 82 */ 83 84 /* 85 * Relay Control 86 */ 87 #define H2I_RELAY_C 0x9100 88 #define H2I_RELAY_C_STATE 0x01 /* state of RELAY pin signal */ 89 90 /* DMA port enable */ 91 92 #define H2I_DMA_PORT_EN 0x9104 93 #define H2I_DMA_PORT_EN_SY_IN 0x01 /* Synth_in DMA port */ 94 #define H2I_DMA_PORT_EN_AESRX 0x02 /* AES receiver DMA port */ 95 #define H2I_DMA_PORT_EN_AESTX 0x04 /* AES transmitter DMA port */ 96 #define H2I_DMA_PORT_EN_CODECTX 0x08 /* CODEC transmit DMA port */ 97 #define H2I_DMA_PORT_EN_CODECR 0x10 /* CODEC receive DMA port */ 98 99 #define H2I_DMA_END 0x9108 /* global dma endian select */ 100 #define H2I_DMA_END_SY_IN 0x01 /* Synth_in DMA port */ 101 #define H2I_DMA_END_AESRX 0x02 /* AES receiver DMA port */ 102 #define H2I_DMA_END_AESTX 0x04 /* AES transmitter DMA port */ 103 #define H2I_DMA_END_CODECTX 0x08 /* CODEC transmit DMA port */ 104 #define H2I_DMA_END_CODECR 0x10 /* CODEC receive DMA port */ 105 /* 0=b_end 1=l_end */ 106 107 #define H2I_DMA_DRV 0x910C /* global PBUS DMA enable */ 108 109 #define H2I_SYNTH_C 0x1104 /* Synth DMA control */ 110 111 #define H2I_AESRX_C 0x1204 /* AES RX dma control */ 112 113 #define H2I_C_TS_EN 0x20 /* Timestamp enable */ 114 #define H2I_C_TS_FRMT 0x40 /* Timestamp format */ 115 #define H2I_C_NAUDIO 0x80 /* Sign extend */ 116 117 /* AESRX CTL, 16 bit */ 118 119 #define H2I_AESTX_C 0x1304 /* AES TX DMA control */ 120 #define H2I_AESTX_C_CLKID_SHIFT 3 /* Bresenham Clock Gen 1-3 */ 121 #define H2I_AESTX_C_CLKID_M 0x18 122 #define H2I_AESTX_C_DATAT_SHIFT 8 /* 1=mono 2=stereo (3=quad) */ 123 #define H2I_AESTX_C_DATAT_M 0x300 124 125 /* CODEC registers */ 126 127 #define H2I_DAC_C1 0x1404 /* DAC DMA control, 16 bit */ 128 #define H2I_DAC_C2 0x1408 /* DAC DMA control, 32 bit */ 129 #define H2I_ADC_C1 0x1504 /* ADC DMA control, 16 bit */ 130 #define H2I_ADC_C2 0x1508 /* ADC DMA control, 32 bit */ 131 132 /* Bits in CTL1 register */ 133 134 #define H2I_C1_DMA_SHIFT 0 /* DMA channel */ 135 #define H2I_C1_DMA_M 0x7 136 #define H2I_C1_CLKID_SHIFT 3 /* Bresenham Clock Gen 1-3 */ 137 #define H2I_C1_CLKID_M 0x18 138 #define H2I_C1_DATAT_SHIFT 8 /* 1=mono 2=stereo (3=quad) */ 139 #define H2I_C1_DATAT_M 0x300 140 141 /* Bits in CTL2 register */ 142 143 #define H2I_C2_R_GAIN_SHIFT 0 /* right a/d input gain */ 144 #define H2I_C2_R_GAIN_M 0xf 145 #define H2I_C2_L_GAIN_SHIFT 4 /* left a/d input gain */ 146 #define H2I_C2_L_GAIN_M 0xf0 147 #define H2I_C2_R_SEL 0x100 /* right input select */ 148 #define H2I_C2_L_SEL 0x200 /* left input select */ 149 #define H2I_C2_MUTE 0x400 /* mute */ 150 #define H2I_C2_DO1 0x00010000 /* digital output port bit 0 */ 151 #define H2I_C2_DO2 0x00020000 /* digital output port bit 1 */ 152 #define H2I_C2_R_ATT_SHIFT 18 /* right d/a output - */ 153 #define H2I_C2_R_ATT_M 0x007c0000 /* attenuation */ 154 #define H2I_C2_L_ATT_SHIFT 23 /* left d/a output - */ 155 #define H2I_C2_L_ATT_M 0x0f800000 /* attenuation */ 156 157 #define H2I_SYNTH_MAP_C 0x1104 /* synth dma handshake ctrl */ 158 159 /* Clock generator CTL 1, 16 bit */ 160 161 #define H2I_BRES1_C1 0x2104 162 #define H2I_BRES2_C1 0x2204 163 #define H2I_BRES3_C1 0x2304 164 165 #define H2I_BRES_C1_SHIFT 0 /* 0=48.0 1=44.1 2=aes_rx */ 166 #define H2I_BRES_C1_M 0x03 167 168 /* Clock generator CTL 2, 32 bit */ 169 170 #define H2I_BRES1_C2 0x2108 171 #define H2I_BRES2_C2 0x2208 172 #define H2I_BRES3_C2 0x2308 173 174 #define H2I_BRES_C2_INC_SHIFT 0 /* increment value */ 175 #define H2I_BRES_C2_INC_M 0xffff 176 #define H2I_BRES_C2_MOD_SHIFT 16 /* modcontrol value */ 177 #define H2I_BRES_C2_MOD_M 0xffff0000 /* modctrl=0xffff&(modinc-1) */ 178 179 /* Unix timer, 64 bit */ 180 181 #define H2I_UTIME 0x3104 182 #define H2I_UTIME_0_LD 0xffff /* microseconds, LSB's */ 183 #define H2I_UTIME_1_LD0 0x0f /* microseconds, MSB's */ 184 #define H2I_UTIME_1_LD1 0xf0 /* tenths of microseconds */ 185 #define H2I_UTIME_2_LD 0xffff /* seconds, LSB's */ 186 #define H2I_UTIME_3_LD 0xffff /* seconds, MSB's */ 187 188 struct hal2_ctl_regs { 189 u32 _unused0[4]; 190 u32 isr; /* 0x10 Status Register */ 191 u32 _unused1[3]; 192 u32 rev; /* 0x20 Revision Register */ 193 u32 _unused2[3]; 194 u32 iar; /* 0x30 Indirect Address Register */ 195 u32 _unused3[3]; 196 u32 idr0; /* 0x40 Indirect Data Register 0 */ 197 u32 _unused4[3]; 198 u32 idr1; /* 0x50 Indirect Data Register 1 */ 199 u32 _unused5[3]; 200 u32 idr2; /* 0x60 Indirect Data Register 2 */ 201 u32 _unused6[3]; 202 u32 idr3; /* 0x70 Indirect Data Register 3 */ 203 }; 204 205 struct hal2_aes_regs { 206 u32 rx_stat[2]; /* Status registers */ 207 u32 rx_cr[2]; /* Control registers */ 208 u32 rx_ud[4]; /* User data window */ 209 u32 rx_st[24]; /* Channel status data */ 210 211 u32 tx_stat[1]; /* Status register */ 212 u32 tx_cr[3]; /* Control registers */ 213 u32 tx_ud[4]; /* User data window */ 214 u32 tx_st[24]; /* Channel status data */ 215 }; 216 217 struct hal2_vol_regs { 218 u32 right; /* Right volume */ 219 u32 left; /* Left volume */ 220 }; 221 222 struct hal2_syn_regs { 223 u32 _unused0[2]; 224 u32 page; /* DOC Page register */ 225 u32 regsel; /* DOC Register selection */ 226 u32 dlow; /* DOC Data low */ 227 u32 dhigh; /* DOC Data high */ 228 u32 irq; /* IRQ Status */ 229 u32 dram; /* DRAM Access */ 230 }; 231 232 #endif /* __HAL2_H */ 233