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Linux/sound/pci/cs46xx/cs46xx_dsp_spos.h

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  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 #ifndef __CS46XX_DSP_SPOS_H__
  8 #define __CS46XX_DSP_SPOS_H__
  9 
 10 #include "cs46xx_dsp_scb_types.h"
 11 #include "cs46xx_dsp_task_types.h"
 12 
 13 #define SYMBOL_CONSTANT  0x0
 14 #define SYMBOL_SAMPLE    0x1
 15 #define SYMBOL_PARAMETER 0x2
 16 #define SYMBOL_CODE      0x3
 17 
 18 #define SEGTYPE_SP_PROGRAM              0x00000001
 19 #define SEGTYPE_SP_PARAMETER            0x00000002
 20 #define SEGTYPE_SP_SAMPLE               0x00000003
 21 #define SEGTYPE_SP_COEFFICIENT          0x00000004
 22 
 23 #define DSP_SPOS_UU      0x0deadul     /* unused */
 24 #define DSP_SPOS_DC      0x0badul      /* don't care */
 25 #define DSP_SPOS_DC_DC   0x0bad0badul  /* don't care */
 26 #define DSP_SPOS_UUUU    0xdeadc0edul  /* unused */
 27 #define DSP_SPOS_UUHI    0xdeadul
 28 #define DSP_SPOS_UULO    0xc0edul
 29 #define DSP_SPOS_DCDC    0x0badf1d0ul  /* don't care */
 30 #define DSP_SPOS_DCDCHI  0x0badul
 31 #define DSP_SPOS_DCDCLO  0xf1d0ul
 32 
 33 #define DSP_MAX_TASK_NAME   60
 34 #define DSP_MAX_SYMBOL_NAME 100
 35 #define DSP_MAX_SCB_NAME    60
 36 #define DSP_MAX_SCB_DESC    200
 37 #define DSP_MAX_TASK_DESC   50
 38 
 39 #define DSP_MAX_PCM_CHANNELS 32
 40 #define DSP_MAX_SRC_NR       14
 41 
 42 #define DSP_PCM_MAIN_CHANNEL        1
 43 #define DSP_PCM_REAR_CHANNEL        2
 44 #define DSP_PCM_CENTER_LFE_CHANNEL  3
 45 #define DSP_PCM_S71_CHANNEL         4 /* surround 7.1 */
 46 #define DSP_IEC958_CHANNEL          5
 47 
 48 #define DSP_SPDIF_STATUS_OUTPUT_ENABLED       1
 49 #define DSP_SPDIF_STATUS_PLAYBACK_OPEN        2
 50 #define DSP_SPDIF_STATUS_HW_ENABLED           4
 51 #define DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED   8
 52 
 53 struct dsp_symbol_entry {
 54         u32 address;
 55         char symbol_name[DSP_MAX_SYMBOL_NAME];
 56         int symbol_type;
 57 
 58         /* initialized by driver */
 59         struct dsp_module_desc * module;
 60         int deleted;
 61 };
 62 
 63 struct dsp_symbol_desc {
 64         int nsymbols;
 65 
 66         struct dsp_symbol_entry *symbols;
 67 
 68         /* initialized by driver */
 69         int highest_frag_index;
 70 };
 71 
 72 struct dsp_segment_desc {
 73         int segment_type;
 74         u32 offset;
 75         u32 size;
 76         u32 * data;
 77 };
 78 
 79 struct dsp_module_desc {
 80         char * module_name;
 81         struct dsp_symbol_desc symbol_table;
 82         int nsegments;
 83         struct dsp_segment_desc * segments;
 84 
 85         /* initialized by driver */
 86         u32 overlay_begin_address;
 87         u32 load_address;
 88         int nfixups;
 89 };
 90 
 91 struct dsp_scb_descriptor {
 92         char scb_name[DSP_MAX_SCB_NAME];
 93         u32 address;
 94         int index;
 95         u32 *data;
 96 
 97         struct dsp_scb_descriptor * sub_list_ptr;
 98         struct dsp_scb_descriptor * next_scb_ptr;
 99         struct dsp_scb_descriptor * parent_scb_ptr;
100 
101         struct dsp_symbol_entry * task_entry;
102         struct dsp_symbol_entry * scb_symbol;
103 
104         struct snd_info_entry *proc_info;
105         int ref_count;
106 
107         u16 volume[2];
108         unsigned int deleted :1;
109         unsigned int updated :1;
110         unsigned int volume_set :1;
111 };
112 
113 struct dsp_task_descriptor {
114         char task_name[DSP_MAX_TASK_NAME];
115         int size;
116         u32 address;
117         int index;
118         u32 *data;
119 };
120 
121 struct dsp_pcm_channel_descriptor {
122         int active;
123         int src_slot;
124         int pcm_slot;
125         u32 sample_rate;
126         u32 unlinked;
127         struct dsp_scb_descriptor * pcm_reader_scb;
128         struct dsp_scb_descriptor * src_scb;
129         struct dsp_scb_descriptor * mixer_scb;
130 
131         void * private_data;
132 };
133 
134 struct dsp_spos_instance {
135         struct dsp_symbol_desc symbol_table; /* currently available loaded symbols in SP */
136 
137         int nmodules;
138         struct dsp_module_desc * modules; /* modules loaded into SP */
139 
140         struct dsp_segment_desc code;
141 
142         /* Main PCM playback mixer */
143         struct dsp_scb_descriptor * master_mix_scb;
144         u16 dac_volume_right;
145         u16 dac_volume_left;
146 
147         /* Rear/surround PCM playback mixer */
148         struct dsp_scb_descriptor * rear_mix_scb;
149 
150         /* Center/LFE mixer */
151         struct dsp_scb_descriptor * center_lfe_mix_scb;
152 
153         int npcm_channels;
154         int nsrc_scb;
155         struct dsp_pcm_channel_descriptor pcm_channels[DSP_MAX_PCM_CHANNELS];
156         int src_scb_slots[DSP_MAX_SRC_NR];
157 
158         /* cache this symbols */
159         struct dsp_symbol_entry * null_algorithm; /* used by PCMreaderSCB's */
160         struct dsp_symbol_entry * s16_up;         /* used by SRCtaskSCB's */
161 
162         /* proc fs */  
163         struct snd_card *snd_card;
164         struct snd_info_entry * proc_dsp_dir;
165 
166         /* SCB's descriptors */
167         int nscb;
168         int scb_highest_frag_index;
169         struct dsp_scb_descriptor scbs[DSP_MAX_SCB_DESC];
170         struct dsp_scb_descriptor * the_null_scb;
171 
172         /* Task's descriptors */
173         int ntask;
174         struct dsp_task_descriptor tasks[DSP_MAX_TASK_DESC];
175 
176         /* SPDIF status */
177         int spdif_status_out;
178         int spdif_status_in;
179         u16 spdif_input_volume_right;
180         u16 spdif_input_volume_left;
181         /* spdif channel status,
182            left right and user validity bits */
183         unsigned int spdif_csuv_default;
184         unsigned int spdif_csuv_stream;
185 
186         /* SPDIF input sample rate converter */
187         struct dsp_scb_descriptor * spdif_in_src;
188         /* SPDIF input asynch. receiver */
189         struct dsp_scb_descriptor * asynch_rx_scb;
190 
191         /* Capture record mixer SCB */
192         struct dsp_scb_descriptor * record_mixer_scb;
193     
194         /* CODEC input SCB */
195         struct dsp_scb_descriptor * codec_in_scb;
196 
197         /* reference snooper */
198         struct dsp_scb_descriptor * ref_snoop_scb;
199 
200         /* SPDIF output  PCM reference  */
201         struct dsp_scb_descriptor * spdif_pcm_input_scb;
202 
203         /* asynch TX task */
204         struct dsp_scb_descriptor * asynch_tx_scb;
205 
206         /* record sources */
207         struct dsp_scb_descriptor * pcm_input;
208         struct dsp_scb_descriptor * adc_input;
209 
210         int spdif_in_sample_rate;
211 };
212 
213 #endif /* __DSP_SPOS_H__ */
214 

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