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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 #ifndef __CS46XX_DSP_SPOS_H__
23 #define __CS46XX_DSP_SPOS_H__
24 
25 #include "cs46xx_dsp_scb_types.h"
26 #include "cs46xx_dsp_task_types.h"
27 
28 #define SYMBOL_CONSTANT  0x0
29 #define SYMBOL_SAMPLE    0x1
30 #define SYMBOL_PARAMETER 0x2
31 #define SYMBOL_CODE      0x3
32 
33 #define SEGTYPE_SP_PROGRAM              0x00000001
34 #define SEGTYPE_SP_PARAMETER            0x00000002
35 #define SEGTYPE_SP_SAMPLE               0x00000003
36 #define SEGTYPE_SP_COEFFICIENT          0x00000004
37 
38 #define DSP_SPOS_UU      0x0deadul     /* unused */
39 #define DSP_SPOS_DC      0x0badul      /* don't care */
40 #define DSP_SPOS_DC_DC   0x0bad0badul  /* don't care */
41 #define DSP_SPOS_UUUU    0xdeadc0edul  /* unused */
42 #define DSP_SPOS_UUHI    0xdeadul
43 #define DSP_SPOS_UULO    0xc0edul
44 #define DSP_SPOS_DCDC    0x0badf1d0ul  /* don't care */
45 #define DSP_SPOS_DCDCHI  0x0badul
46 #define DSP_SPOS_DCDCLO  0xf1d0ul
47 
48 #define DSP_MAX_TASK_NAME   60
49 #define DSP_MAX_SYMBOL_NAME 100
50 #define DSP_MAX_SCB_NAME    60
51 #define DSP_MAX_SCB_DESC    200
52 #define DSP_MAX_TASK_DESC   50
53 
54 #define DSP_MAX_PCM_CHANNELS 32
55 #define DSP_MAX_SRC_NR       14
56 
57 #define DSP_PCM_MAIN_CHANNEL        1
58 #define DSP_PCM_REAR_CHANNEL        2
59 #define DSP_PCM_CENTER_LFE_CHANNEL  3
60 #define DSP_PCM_S71_CHANNEL         4 /* surround 7.1 */
61 #define DSP_IEC958_CHANNEL          5
62 
63 #define DSP_SPDIF_STATUS_OUTPUT_ENABLED       1
64 #define DSP_SPDIF_STATUS_PLAYBACK_OPEN        2
65 #define DSP_SPDIF_STATUS_HW_ENABLED           4
66 #define DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED   8
67 
68 struct dsp_symbol_entry {
69 	u32 address;
70 	char symbol_name[DSP_MAX_SYMBOL_NAME];
71 	int symbol_type;
72 
73 	/* initialized by driver */
74 	struct dsp_module_desc * module;
75 	int deleted;
76 };
77 
78 struct dsp_symbol_desc {
79 	int nsymbols;
80 
81 	struct dsp_symbol_entry *symbols;
82 
83 	/* initialized by driver */
84 	int highest_frag_index;
85 };
86 
87 struct dsp_segment_desc {
88 	int segment_type;
89 	u32 offset;
90 	u32 size;
91 	u32 * data;
92 };
93 
94 struct dsp_module_desc {
95 	char * module_name;
96 	struct dsp_symbol_desc symbol_table;
97 	int nsegments;
98 	struct dsp_segment_desc * segments;
99 
100 	/* initialized by driver */
101 	u32 overlay_begin_address;
102 	u32 load_address;
103 	int nfixups;
104 };
105 
106 struct dsp_scb_descriptor {
107 	char scb_name[DSP_MAX_SCB_NAME];
108 	u32 address;
109 	int index;
110 	u32 *data;
111 
112 	struct dsp_scb_descriptor * sub_list_ptr;
113 	struct dsp_scb_descriptor * next_scb_ptr;
114 	struct dsp_scb_descriptor * parent_scb_ptr;
115 
116 	struct dsp_symbol_entry * task_entry;
117 	struct dsp_symbol_entry * scb_symbol;
118 
119 	struct snd_info_entry *proc_info;
120 	int ref_count;
121 
122 	u16 volume[2];
123 	unsigned int deleted :1;
124 	unsigned int updated :1;
125 	unsigned int volume_set :1;
126 };
127 
128 struct dsp_task_descriptor {
129 	char task_name[DSP_MAX_TASK_NAME];
130 	int size;
131 	u32 address;
132 	int index;
133 	u32 *data;
134 };
135 
136 struct dsp_pcm_channel_descriptor {
137 	int active;
138 	int src_slot;
139 	int pcm_slot;
140 	u32 sample_rate;
141 	u32 unlinked;
142 	struct dsp_scb_descriptor * pcm_reader_scb;
143 	struct dsp_scb_descriptor * src_scb;
144 	struct dsp_scb_descriptor * mixer_scb;
145 
146 	void * private_data;
147 };
148 
149 struct dsp_spos_instance {
150 	struct dsp_symbol_desc symbol_table; /* currently available loaded symbols in SP */
151 
152 	int nmodules;
153 	struct dsp_module_desc * modules; /* modules loaded into SP */
154 
155 	struct dsp_segment_desc code;
156 
157 	/* Main PCM playback mixer */
158 	struct dsp_scb_descriptor * master_mix_scb;
159 	u16 dac_volume_right;
160 	u16 dac_volume_left;
161 
162 	/* Rear/surround PCM playback mixer */
163 	struct dsp_scb_descriptor * rear_mix_scb;
164 
165 	/* Center/LFE mixer */
166 	struct dsp_scb_descriptor * center_lfe_mix_scb;
167 
168 	int npcm_channels;
169 	int nsrc_scb;
170 	struct dsp_pcm_channel_descriptor pcm_channels[DSP_MAX_PCM_CHANNELS];
171 	int src_scb_slots[DSP_MAX_SRC_NR];
172 
173 	/* cache this symbols */
174 	struct dsp_symbol_entry * null_algorithm; /* used by PCMreaderSCB's */
175 	struct dsp_symbol_entry * s16_up;         /* used by SRCtaskSCB's */
176 
177 	/* proc fs */
178 	struct snd_card *snd_card;
179 	struct snd_info_entry * proc_dsp_dir;
180 	struct snd_info_entry * proc_sym_info_entry;
181 	struct snd_info_entry * proc_modules_info_entry;
182 	struct snd_info_entry * proc_parameter_dump_info_entry;
183 	struct snd_info_entry * proc_sample_dump_info_entry;
184 
185 	/* SCB's descriptors */
186 	int nscb;
187 	int scb_highest_frag_index;
188 	struct dsp_scb_descriptor scbs[DSP_MAX_SCB_DESC];
189 	struct snd_info_entry * proc_scb_info_entry;
190 	struct dsp_scb_descriptor * the_null_scb;
191 
192 	/* Task's descriptors */
193 	int ntask;
194 	struct dsp_task_descriptor tasks[DSP_MAX_TASK_DESC];
195 	struct snd_info_entry * proc_task_info_entry;
196 
197 	/* SPDIF status */
198 	int spdif_status_out;
199 	int spdif_status_in;
200 	u16 spdif_input_volume_right;
201 	u16 spdif_input_volume_left;
202 	/* spdif channel status,
203 	   left right and user validity bits */
204 	unsigned int spdif_csuv_default;
205 	unsigned int spdif_csuv_stream;
206 
207 	/* SPDIF input sample rate converter */
208 	struct dsp_scb_descriptor * spdif_in_src;
209 	/* SPDIF input asynch. receiver */
210 	struct dsp_scb_descriptor * asynch_rx_scb;
211 
212 	/* Capture record mixer SCB */
213 	struct dsp_scb_descriptor * record_mixer_scb;
214 
215 	/* CODEC input SCB */
216 	struct dsp_scb_descriptor * codec_in_scb;
217 
218 	/* reference snooper */
219 	struct dsp_scb_descriptor * ref_snoop_scb;
220 
221 	/* SPDIF output  PCM reference  */
222 	struct dsp_scb_descriptor * spdif_pcm_input_scb;
223 
224 	/* asynch TX task */
225 	struct dsp_scb_descriptor * asynch_tx_scb;
226 
227 	/* record sources */
228 	struct dsp_scb_descriptor * pcm_input;
229 	struct dsp_scb_descriptor * adc_input;
230 
231 	int spdif_in_sample_rate;
232 };
233 
234 #endif /* __DSP_SPOS_H__ */
235