xref: /linux/sound/pci/cs46xx/dsp_spos.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
4  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5  */
6 
7 /*
8  * 2002-07 Benny Sjostrand benny@hostmobility.com
9  */
10 
11 #ifdef  CONFIG_SND_CS46XX_NEW_DSP /* hack ... */
12 #ifndef __DSP_SPOS_H__
13 #define __DSP_SPOS_H__
14 
15 #define DSP_MAX_SYMBOLS 1024
16 #define DSP_MAX_MODULES 64
17 
18 #define DSP_CODE_BYTE_SIZE             0x00007000UL
19 #define DSP_PARAMETER_BYTE_SIZE        0x00003000UL
20 #define DSP_SAMPLE_BYTE_SIZE           0x00003800UL
21 #define DSP_PARAMETER_BYTE_OFFSET      0x00000000UL
22 #define DSP_SAMPLE_BYTE_OFFSET         0x00010000UL
23 #define DSP_CODE_BYTE_OFFSET           0x00020000UL
24 
25 #define WIDE_INSTR_MASK       0x0040
26 #define WIDE_LADD_INSTR_MASK  0x0380
27 
28 /* this instruction types
29    needs to be reallocated when load
30    code into DSP */
31 enum wide_opcode {
32 	WIDE_FOR_BEGIN_LOOP = 0x20,
33 	WIDE_FOR_BEGIN_LOOP2,
34 
35 	WIDE_COND_GOTO_ADDR = 0x30,
36 	WIDE_COND_GOTO_CALL,
37 
38 	WIDE_TBEQ_COND_GOTO_ADDR = 0x70,
39 	WIDE_TBEQ_COND_CALL_ADDR,
40 	WIDE_TBEQ_NCOND_GOTO_ADDR,
41 	WIDE_TBEQ_NCOND_CALL_ADDR,
42 	WIDE_TBEQ_COND_GOTO1_ADDR,
43 	WIDE_TBEQ_COND_CALL1_ADDR,
44 	WIDE_TBEQ_NCOND_GOTOI_ADDR,
45 	WIDE_TBEQ_NCOND_CALL1_ADDR,
46 };
47 
48 /* SAMPLE segment */
49 #define VARI_DECIMATE_BUF1       0x0000
50 #define WRITE_BACK_BUF1          0x0400
51 #define CODEC_INPUT_BUF1         0x0500
52 #define PCM_READER_BUF1          0x0600
53 #define SRC_DELAY_BUF1           0x0680
54 #define VARI_DECIMATE_BUF0       0x0780
55 #define SRC_OUTPUT_BUF1          0x07A0
56 #define ASYNC_IP_OUTPUT_BUFFER1  0x0A00
57 #define OUTPUT_SNOOP_BUFFER      0x0B00
58 #define SPDIFI_IP_OUTPUT_BUFFER1 0x0E00
59 #define SPDIFO_IP_OUTPUT_BUFFER1 0x1000
60 #define MIX_SAMPLE_BUF1          0x1400
61 #define MIX_SAMPLE_BUF2          0x2E80
62 #define MIX_SAMPLE_BUF3          0x2F00
63 #define MIX_SAMPLE_BUF4          0x2F80
64 #define MIX_SAMPLE_BUF5          0x3000
65 
66 /* Task stack address */
67 #define HFG_STACK                0x066A
68 #define FG_STACK                 0x066E
69 #define BG_STACK                 0x068E
70 
71 /* SCB's addresses */
72 #define SPOSCB_ADDR              0x070
73 #define BG_TREE_SCB_ADDR         0x635
74 #define NULL_SCB_ADDR            0x000
75 #define TIMINGMASTER_SCB_ADDR    0x010
76 #define CODECOUT_SCB_ADDR        0x020
77 #define PCMREADER_SCB_ADDR       0x030
78 #define WRITEBACK_SCB_ADDR       0x040
79 #define CODECIN_SCB_ADDR         0x080
80 #define MASTERMIX_SCB_ADDR       0x090
81 #define SRCTASK_SCB_ADDR         0x0A0
82 #define VARIDECIMATE_SCB_ADDR    0x0B0
83 #define PCMSERIALIN_SCB_ADDR     0x0C0
84 #define FG_TASK_HEADER_ADDR      0x600
85 #define ASYNCTX_SCB_ADDR         0x0E0
86 #define ASYNCRX_SCB_ADDR         0x0F0
87 #define SRCTASKII_SCB_ADDR       0x100
88 #define OUTPUTSNOOP_SCB_ADDR     0x110
89 #define PCMSERIALINII_SCB_ADDR   0x120
90 #define SPIOWRITE_SCB_ADDR       0x130
91 #define REAR_CODECOUT_SCB_ADDR   0x140
92 #define OUTPUTSNOOPII_SCB_ADDR   0x150
93 #define PCMSERIALIN_PCM_SCB_ADDR 0x160
94 #define RECORD_MIXER_SCB_ADDR    0x170
95 #define REAR_MIXER_SCB_ADDR      0x180
96 #define CLFE_MIXER_SCB_ADDR      0x190
97 #define CLFE_CODEC_SCB_ADDR      0x1A0
98 
99 /* hyperforground SCB's*/
100 #define HFG_TREE_SCB             0xBA0
101 #define SPDIFI_SCB_INST          0xBB0
102 #define SPDIFO_SCB_INST          0xBC0
103 #define WRITE_BACK_SPB           0x0D0
104 
105 /* offsets */
106 #define AsyncCIOFIFOPointer  0xd
107 #define SPDIFOFIFOPointer    0xd
108 #define SPDIFIFIFOPointer    0xd
109 #define TCBData              0xb
110 #define HFGFlags             0xa
111 #define TCBContextBlk        0x10
112 #define AFGTxAccumPhi        0x4
113 #define SCBsubListPtr        0x9
114 #define SCBfuncEntryPtr      0xA
115 #define SRCCorPerGof         0x2
116 #define SRCPhiIncr6Int26Frac 0xd
117 #define SCBVolumeCtrl        0xe
118 
119 /* conf */
120 #define UseASER1Input 1
121 
122 
123 
124 /*
125  * The following defines are for the flags in the rsConfig01/23 registers of
126  * the SP.
127  */
128 
129 #define RSCONFIG_MODULO_SIZE_MASK               0x0000000FL
130 #define RSCONFIG_MODULO_16                      0x00000001L
131 #define RSCONFIG_MODULO_32                      0x00000002L
132 #define RSCONFIG_MODULO_64                      0x00000003L
133 #define RSCONFIG_MODULO_128                     0x00000004L
134 #define RSCONFIG_MODULO_256                     0x00000005L
135 #define RSCONFIG_MODULO_512                     0x00000006L
136 #define RSCONFIG_MODULO_1024                    0x00000007L
137 #define RSCONFIG_MODULO_4                       0x00000008L
138 #define RSCONFIG_MODULO_8                       0x00000009L
139 #define RSCONFIG_SAMPLE_SIZE_MASK               0x000000C0L
140 #define RSCONFIG_SAMPLE_8MONO                   0x00000000L
141 #define RSCONFIG_SAMPLE_8STEREO                 0x00000040L
142 #define RSCONFIG_SAMPLE_16MONO                  0x00000080L
143 #define RSCONFIG_SAMPLE_16STEREO                0x000000C0L
144 #define RSCONFIG_UNDERRUN_ZERO                  0x00004000L
145 #define RSCONFIG_DMA_TO_HOST                    0x00008000L
146 #define RSCONFIG_STREAM_NUM_MASK                0x00FF0000L
147 #define RSCONFIG_MAX_DMA_SIZE_MASK              0x1F000000L
148 #define RSCONFIG_DMA_ENABLE                     0x20000000L
149 #define RSCONFIG_PRIORITY_MASK                  0xC0000000L
150 #define RSCONFIG_PRIORITY_HIGH                  0x00000000L
151 #define RSCONFIG_PRIORITY_MEDIUM_HIGH           0x40000000L
152 #define RSCONFIG_PRIORITY_MEDIUM_LOW            0x80000000L
153 #define RSCONFIG_PRIORITY_LOW                   0xC0000000L
154 #define RSCONFIG_STREAM_NUM_SHIFT               16L
155 #define RSCONFIG_MAX_DMA_SIZE_SHIFT             24L
156 
157 /* SP constants */
158 #define FG_INTERVAL_TIMER_PERIOD                0x0051
159 #define BG_INTERVAL_TIMER_PERIOD                0x0100
160 
161 
162 /* Only SP accessible registers */
163 #define SP_ASER_COUNTDOWN 0x8040
164 #define SP_SPDOUT_FIFO    0x0108
165 #define SP_SPDIN_MI_FIFO  0x01E0
166 #define SP_SPDIN_D_FIFO   0x01F0
167 #define SP_SPDIN_STATUS   0x8048
168 #define SP_SPDIN_CONTROL  0x8049
169 #define SP_SPDIN_FIFOPTR  0x804A
170 #define SP_SPDOUT_STATUS  0x804C
171 #define SP_SPDOUT_CONTROL 0x804D
172 #define SP_SPDOUT_CSUV    0x808E
173 
_wrap_all_bits(u8 val)174 static inline u8 _wrap_all_bits (u8 val)
175 {
176 	u8 wrapped;
177 
178 	/* wrap all 8 bits */
179 	wrapped =
180 		((val & 0x1 ) << 7) |
181 		((val & 0x2 ) << 5) |
182 		((val & 0x4 ) << 3) |
183 		((val & 0x8 ) << 1) |
184 		((val & 0x10) >> 1) |
185 		((val & 0x20) >> 3) |
186 		((val & 0x40) >> 5) |
187 		((val & 0x80) >> 7);
188 
189 	return wrapped;
190 }
191 
cs46xx_dsp_spos_update_scb(struct snd_cs46xx * chip,struct dsp_scb_descriptor * scb)192 static inline void cs46xx_dsp_spos_update_scb (struct snd_cs46xx * chip,
193 					       struct dsp_scb_descriptor * scb)
194 {
195 	/* update nextSCB and subListPtr in SCB */
196 	snd_cs46xx_poke(chip,
197 			(scb->address + SCBsubListPtr) << 2,
198 			(scb->sub_list_ptr->address << 0x10) |
199 			(scb->next_scb_ptr->address));
200 	scb->updated = 1;
201 }
202 
cs46xx_dsp_scb_set_volume(struct snd_cs46xx * chip,struct dsp_scb_descriptor * scb,u16 left,u16 right)203 static inline void cs46xx_dsp_scb_set_volume (struct snd_cs46xx * chip,
204 					      struct dsp_scb_descriptor * scb,
205 					      u16 left, u16 right)
206 {
207 	unsigned int val = ((0xffff - left) << 16 | (0xffff - right));
208 
209 	snd_cs46xx_poke(chip, (scb->address + SCBVolumeCtrl) << 2, val);
210 	snd_cs46xx_poke(chip, (scb->address + SCBVolumeCtrl + 1) << 2, val);
211 	scb->volume_set = 1;
212 	scb->volume[0] = left;
213 	scb->volume[1] = right;
214 }
215 #endif /* __DSP_SPOS_H__ */
216 #endif /* CONFIG_SND_CS46XX_NEW_DSP  */
217