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1 /*
2  *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4  *
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  *
20  */
21 
22 /*
23  * 2002-07 Benny Sjostrand benny@hostmobility.com
24  */
25 
26 #ifdef  CONFIG_SND_CS46XX_NEW_DSP /* hack ... */
27 #ifndef __DSP_SPOS_H__
28 #define __DSP_SPOS_H__
29 
30 #define DSP_MAX_SYMBOLS 1024
31 #define DSP_MAX_MODULES 64
32 
33 #define DSP_CODE_BYTE_SIZE             0x00007000UL
34 #define DSP_PARAMETER_BYTE_SIZE        0x00003000UL
35 #define DSP_SAMPLE_BYTE_SIZE           0x00003800UL
36 #define DSP_PARAMETER_BYTE_OFFSET      0x00000000UL
37 #define DSP_SAMPLE_BYTE_OFFSET         0x00010000UL
38 #define DSP_CODE_BYTE_OFFSET           0x00020000UL
39 
40 #define WIDE_INSTR_MASK       0x0040
41 #define WIDE_LADD_INSTR_MASK  0x0380
42 
43 /* this instruction types
44    needs to be reallocated when load
45    code into DSP */
46 enum wide_opcode {
47 	WIDE_FOR_BEGIN_LOOP = 0x20,
48 	WIDE_FOR_BEGIN_LOOP2,
49 
50 	WIDE_COND_GOTO_ADDR = 0x30,
51 	WIDE_COND_GOTO_CALL,
52 
53 	WIDE_TBEQ_COND_GOTO_ADDR = 0x70,
54 	WIDE_TBEQ_COND_CALL_ADDR,
55 	WIDE_TBEQ_NCOND_GOTO_ADDR,
56 	WIDE_TBEQ_NCOND_CALL_ADDR,
57 	WIDE_TBEQ_COND_GOTO1_ADDR,
58 	WIDE_TBEQ_COND_CALL1_ADDR,
59 	WIDE_TBEQ_NCOND_GOTOI_ADDR,
60 	WIDE_TBEQ_NCOND_CALL1_ADDR,
61 };
62 
63 /* SAMPLE segment */
64 #define VARI_DECIMATE_BUF1       0x0000
65 #define WRITE_BACK_BUF1          0x0400
66 #define CODEC_INPUT_BUF1         0x0500
67 #define PCM_READER_BUF1          0x0600
68 #define SRC_DELAY_BUF1           0x0680
69 #define VARI_DECIMATE_BUF0       0x0780
70 #define SRC_OUTPUT_BUF1          0x07A0
71 #define ASYNC_IP_OUTPUT_BUFFER1  0x0A00
72 #define OUTPUT_SNOOP_BUFFER      0x0B00
73 #define SPDIFI_IP_OUTPUT_BUFFER1 0x0E00
74 #define SPDIFO_IP_OUTPUT_BUFFER1 0x1000
75 #define MIX_SAMPLE_BUF1          0x1400
76 #define MIX_SAMPLE_BUF2          0x2E80
77 #define MIX_SAMPLE_BUF3          0x2F00
78 #define MIX_SAMPLE_BUF4          0x2F80
79 #define MIX_SAMPLE_BUF5          0x3000
80 
81 /* Task stack address */
82 #define HFG_STACK                0x066A
83 #define FG_STACK                 0x066E
84 #define BG_STACK                 0x068E
85 
86 /* SCB's addresses */
87 #define SPOSCB_ADDR              0x070
88 #define BG_TREE_SCB_ADDR         0x635
89 #define NULL_SCB_ADDR            0x000
90 #define TIMINGMASTER_SCB_ADDR    0x010
91 #define CODECOUT_SCB_ADDR        0x020
92 #define PCMREADER_SCB_ADDR       0x030
93 #define WRITEBACK_SCB_ADDR       0x040
94 #define CODECIN_SCB_ADDR         0x080
95 #define MASTERMIX_SCB_ADDR       0x090
96 #define SRCTASK_SCB_ADDR         0x0A0
97 #define VARIDECIMATE_SCB_ADDR    0x0B0
98 #define PCMSERIALIN_SCB_ADDR     0x0C0
99 #define FG_TASK_HEADER_ADDR      0x600
100 #define ASYNCTX_SCB_ADDR         0x0E0
101 #define ASYNCRX_SCB_ADDR         0x0F0
102 #define SRCTASKII_SCB_ADDR       0x100
103 #define OUTPUTSNOOP_SCB_ADDR     0x110
104 #define PCMSERIALINII_SCB_ADDR   0x120
105 #define SPIOWRITE_SCB_ADDR       0x130
106 #define REAR_CODECOUT_SCB_ADDR   0x140
107 #define OUTPUTSNOOPII_SCB_ADDR   0x150
108 #define PCMSERIALIN_PCM_SCB_ADDR 0x160
109 #define RECORD_MIXER_SCB_ADDR    0x170
110 #define REAR_MIXER_SCB_ADDR      0x180
111 #define CLFE_MIXER_SCB_ADDR      0x190
112 #define CLFE_CODEC_SCB_ADDR      0x1A0
113 
114 /* hyperforground SCB's*/
115 #define HFG_TREE_SCB             0xBA0
116 #define SPDIFI_SCB_INST          0xBB0
117 #define SPDIFO_SCB_INST          0xBC0
118 #define WRITE_BACK_SPB           0x0D0
119 
120 /* offsets */
121 #define AsyncCIOFIFOPointer  0xd
122 #define SPDIFOFIFOPointer    0xd
123 #define SPDIFIFIFOPointer    0xd
124 #define TCBData              0xb
125 #define HFGFlags             0xa
126 #define TCBContextBlk        0x10
127 #define AFGTxAccumPhi        0x4
128 #define SCBsubListPtr        0x9
129 #define SCBfuncEntryPtr      0xA
130 #define SRCCorPerGof         0x2
131 #define SRCPhiIncr6Int26Frac 0xd
132 #define SCBVolumeCtrl        0xe
133 
134 /* conf */
135 #define UseASER1Input 1
136 
137 
138 
139 /*
140  * The following defines are for the flags in the rsConfig01/23 registers of
141  * the SP.
142  */
143 
144 #define RSCONFIG_MODULO_SIZE_MASK               0x0000000FL
145 #define RSCONFIG_MODULO_16                      0x00000001L
146 #define RSCONFIG_MODULO_32                      0x00000002L
147 #define RSCONFIG_MODULO_64                      0x00000003L
148 #define RSCONFIG_MODULO_128                     0x00000004L
149 #define RSCONFIG_MODULO_256                     0x00000005L
150 #define RSCONFIG_MODULO_512                     0x00000006L
151 #define RSCONFIG_MODULO_1024                    0x00000007L
152 #define RSCONFIG_MODULO_4                       0x00000008L
153 #define RSCONFIG_MODULO_8                       0x00000009L
154 #define RSCONFIG_SAMPLE_SIZE_MASK               0x000000C0L
155 #define RSCONFIG_SAMPLE_8MONO                   0x00000000L
156 #define RSCONFIG_SAMPLE_8STEREO                 0x00000040L
157 #define RSCONFIG_SAMPLE_16MONO                  0x00000080L
158 #define RSCONFIG_SAMPLE_16STEREO                0x000000C0L
159 #define RSCONFIG_UNDERRUN_ZERO                  0x00004000L
160 #define RSCONFIG_DMA_TO_HOST                    0x00008000L
161 #define RSCONFIG_STREAM_NUM_MASK                0x00FF0000L
162 #define RSCONFIG_MAX_DMA_SIZE_MASK              0x1F000000L
163 #define RSCONFIG_DMA_ENABLE                     0x20000000L
164 #define RSCONFIG_PRIORITY_MASK                  0xC0000000L
165 #define RSCONFIG_PRIORITY_HIGH                  0x00000000L
166 #define RSCONFIG_PRIORITY_MEDIUM_HIGH           0x40000000L
167 #define RSCONFIG_PRIORITY_MEDIUM_LOW            0x80000000L
168 #define RSCONFIG_PRIORITY_LOW                   0xC0000000L
169 #define RSCONFIG_STREAM_NUM_SHIFT               16L
170 #define RSCONFIG_MAX_DMA_SIZE_SHIFT             24L
171 
172 /* SP constants */
173 #define FG_INTERVAL_TIMER_PERIOD                0x0051
174 #define BG_INTERVAL_TIMER_PERIOD                0x0100
175 
176 
177 /* Only SP accessible registers */
178 #define SP_ASER_COUNTDOWN 0x8040
179 #define SP_SPDOUT_FIFO    0x0108
180 #define SP_SPDIN_MI_FIFO  0x01E0
181 #define SP_SPDIN_D_FIFO   0x01F0
182 #define SP_SPDIN_STATUS   0x8048
183 #define SP_SPDIN_CONTROL  0x8049
184 #define SP_SPDIN_FIFOPTR  0x804A
185 #define SP_SPDOUT_STATUS  0x804C
186 #define SP_SPDOUT_CONTROL 0x804D
187 #define SP_SPDOUT_CSUV    0x808E
188 
_wrap_all_bits(u8 val)189 static inline u8 _wrap_all_bits (u8 val)
190 {
191 	u8 wrapped;
192 
193 	/* wrap all 8 bits */
194 	wrapped =
195 		((val & 0x1 ) << 7) |
196 		((val & 0x2 ) << 5) |
197 		((val & 0x4 ) << 3) |
198 		((val & 0x8 ) << 1) |
199 		((val & 0x10) >> 1) |
200 		((val & 0x20) >> 3) |
201 		((val & 0x40) >> 5) |
202 		((val & 0x80) >> 7);
203 
204 	return wrapped;
205 }
206 
cs46xx_dsp_spos_update_scb(struct snd_cs46xx * chip,struct dsp_scb_descriptor * scb)207 static inline void cs46xx_dsp_spos_update_scb (struct snd_cs46xx * chip,
208 					       struct dsp_scb_descriptor * scb)
209 {
210 	/* update nextSCB and subListPtr in SCB */
211 	snd_cs46xx_poke(chip,
212 			(scb->address + SCBsubListPtr) << 2,
213 			(scb->sub_list_ptr->address << 0x10) |
214 			(scb->next_scb_ptr->address));
215 	scb->updated = 1;
216 }
217 
cs46xx_dsp_scb_set_volume(struct snd_cs46xx * chip,struct dsp_scb_descriptor * scb,u16 left,u16 right)218 static inline void cs46xx_dsp_scb_set_volume (struct snd_cs46xx * chip,
219 					      struct dsp_scb_descriptor * scb,
220 					      u16 left, u16 right)
221 {
222 	unsigned int val = ((0xffff - left) << 16 | (0xffff - right));
223 
224 	snd_cs46xx_poke(chip, (scb->address + SCBVolumeCtrl) << 2, val);
225 	snd_cs46xx_poke(chip, (scb->address + SCBVolumeCtrl + 1) << 2, val);
226 	scb->volume_set = 1;
227 	scb->volume[0] = left;
228 	scb->volume[1] = right;
229 }
230 #endif /* __DSP_SPOS_H__ */
231 #endif /* CONFIG_SND_CS46XX_NEW_DSP  */
232