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cs46xx_lib.h
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1 /*
2  * The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
3  * Copyright (c) by Jaroslav Kysela <[email protected]>
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_LIB_H__
23 #define __CS46XX_LIB_H__
24 
25 /*
26  * constants
27  */
28 
29 #define CS46XX_BA0_SIZE 0x1000
30 #define CS46XX_BA1_DATA0_SIZE 0x3000
31 #define CS46XX_BA1_DATA1_SIZE 0x3800
32 #define CS46XX_BA1_PRG_SIZE 0x7000
33 #define CS46XX_BA1_REG_SIZE 0x0100
34 
35 
36 
37 #ifdef CONFIG_SND_CS46XX_NEW_DSP
38 #define CS46XX_MIN_PERIOD_SIZE 64
39 #define CS46XX_MAX_PERIOD_SIZE 1024*1024
40 #else
41 #define CS46XX_MIN_PERIOD_SIZE 2048
42 #define CS46XX_MAX_PERIOD_SIZE 2048
43 #endif
44 
45 #define CS46XX_FRAGS 2
46 /* #define CS46XX_BUFFER_SIZE CS46XX_MAX_PERIOD_SIZE * CS46XX_FRAGS */
47 
48 #define SCB_NO_PARENT 0
49 #define SCB_ON_PARENT_NEXT_SCB 1
50 #define SCB_ON_PARENT_SUBLIST_SCB 2
51 
52 /* 3*1024 parameter, 3.5*1024 sample, 2*3.5*1024 code */
53 #define BA1_DWORD_SIZE (13 * 1024 + 512)
54 #define BA1_MEMORY_COUNT 3
55 
56 /*
57  * common I/O routines
58  */
59 
60 static inline void snd_cs46xx_poke(struct snd_cs46xx *chip, unsigned long reg, unsigned int val)
61 {
62  unsigned int bank = reg >> 16;
63  unsigned int offset = reg & 0xffff;
64 
65  /*
66  if (bank == 0)
67  printk(KERN_DEBUG "snd_cs46xx_poke: %04X - %08X\n",
68  reg >> 2,val);
69  */
70  writel(val, chip->region.idx[bank+1].remap_addr + offset);
71 }
72 
73 static inline unsigned int snd_cs46xx_peek(struct snd_cs46xx *chip, unsigned long reg)
74 {
75  unsigned int bank = reg >> 16;
76  unsigned int offset = reg & 0xffff;
77  return readl(chip->region.idx[bank+1].remap_addr + offset);
78 }
79 
80 static inline void snd_cs46xx_pokeBA0(struct snd_cs46xx *chip, unsigned long offset, unsigned int val)
81 {
82  writel(val, chip->region.name.ba0.remap_addr + offset);
83 }
84 
85 static inline unsigned int snd_cs46xx_peekBA0(struct snd_cs46xx *chip, unsigned long offset)
86 {
87  return readl(chip->region.name.ba0.remap_addr + offset);
88 }
89 
90 struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip);
91 void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip);
92 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module);
93 #ifdef CONFIG_PM_SLEEP
94 int cs46xx_dsp_resume(struct snd_cs46xx * chip);
95 #endif
96 struct dsp_symbol_entry *cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name,
97  int symbol_type);
98 #ifdef CONFIG_PROC_FS
99 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip);
100 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip);
101 #else
102 #define cs46xx_dsp_proc_init(card, chip)
103 #define cs46xx_dsp_proc_done(chip)
104 #endif
105 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip);
106 int snd_cs46xx_download (struct snd_cs46xx *chip, u32 *src, unsigned long offset,
107  unsigned long len);
108 int snd_cs46xx_clear_BA1(struct snd_cs46xx *chip, unsigned long offset, unsigned long len);
109 int cs46xx_dsp_enable_spdif_out (struct snd_cs46xx *chip);
110 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip);
111 int cs46xx_dsp_disable_spdif_out (struct snd_cs46xx *chip);
112 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip);
113 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip);
114 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip);
115 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip);
116 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip);
117 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip);
118 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data);
119 struct dsp_scb_descriptor * cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name,
120  u32 * scb_data, u32 dest);
121 #ifdef CONFIG_PROC_FS
122 void cs46xx_dsp_proc_free_scb_desc (struct dsp_scb_descriptor * scb);
123 void cs46xx_dsp_proc_register_scb_desc (struct snd_cs46xx *chip,
124  struct dsp_scb_descriptor * scb);
125 #else
126 #define cs46xx_dsp_proc_free_scb_desc(scb)
127 #define cs46xx_dsp_proc_register_scb_desc(chip, scb)
128 #endif
129 struct dsp_scb_descriptor * cs46xx_dsp_create_timing_master_scb (struct snd_cs46xx *chip);
130 struct dsp_scb_descriptor *
131 cs46xx_dsp_create_codec_out_scb(struct snd_cs46xx * chip,
132  char * codec_name, u16 channel_disp, u16 fifo_addr,
133  u16 child_scb_addr, u32 dest,
134  struct dsp_scb_descriptor * parent_scb,
135  int scb_child_type);
136 struct dsp_scb_descriptor *
137 cs46xx_dsp_create_codec_in_scb(struct snd_cs46xx * chip, char * codec_name,
138  u16 channel_disp, u16 fifo_addr,
139  u16 sample_buffer_addr, u32 dest,
140  struct dsp_scb_descriptor * parent_scb,
141  int scb_child_type);
142 void cs46xx_dsp_remove_scb (struct snd_cs46xx *chip,
143  struct dsp_scb_descriptor * scb);
144 struct dsp_scb_descriptor *
145 cs46xx_dsp_create_codec_in_scb(struct snd_cs46xx * chip, char * codec_name,
146  u16 channel_disp, u16 fifo_addr,
147  u16 sample_buffer_addr, u32 dest,
148  struct dsp_scb_descriptor * parent_scb,
149  int scb_child_type);
150 struct dsp_scb_descriptor *
151 cs46xx_dsp_create_src_task_scb(struct snd_cs46xx * chip, char * scb_name,
152  int sample_rate, u16 src_buffer_addr,
153  u16 src_delay_buffer_addr, u32 dest,
154  struct dsp_scb_descriptor * parent_scb,
155  int scb_child_type, int pass_through);
156 struct dsp_scb_descriptor *
157 cs46xx_dsp_create_mix_only_scb(struct snd_cs46xx * chip, char * scb_name,
158  u16 mix_buffer_addr, u32 dest,
159  struct dsp_scb_descriptor * parent_scb,
160  int scb_child_type);
161 
162 struct dsp_scb_descriptor *
163 cs46xx_dsp_create_vari_decimate_scb(struct snd_cs46xx * chip, char * scb_name,
164  u16 vari_buffer_addr0, u16 vari_buffer_addr1, u32 dest,
165  struct dsp_scb_descriptor * parent_scb,
166  int scb_child_type);
167 struct dsp_scb_descriptor *
168 cs46xx_dsp_create_asynch_fg_rx_scb(struct snd_cs46xx * chip, char * scb_name,
169  u32 dest, u16 hfg_scb_address, u16 asynch_buffer_address,
170  struct dsp_scb_descriptor * parent_scb,
171  int scb_child_type);
172 struct dsp_scb_descriptor *
173 cs46xx_dsp_create_spio_write_scb(struct snd_cs46xx * chip, char * scb_name, u32 dest,
174  struct dsp_scb_descriptor * parent_scb,
175  int scb_child_type);
176 struct dsp_scb_descriptor *
177 cs46xx_dsp_create_mix_to_ostream_scb(struct snd_cs46xx * chip, char * scb_name,
178  u16 mix_buffer_addr, u16 writeback_spb, u32 dest,
179  struct dsp_scb_descriptor * parent_scb,
180  int scb_child_type);
181 struct dsp_scb_descriptor *
182 cs46xx_dsp_create_magic_snoop_scb(struct snd_cs46xx * chip, char * scb_name,
183  u32 dest, u16 snoop_buffer_address,
184  struct dsp_scb_descriptor * snoop_scb,
185  struct dsp_scb_descriptor * parent_scb,
186  int scb_child_type);
187 struct dsp_pcm_channel_descriptor *
188 cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip, u32 sample_rate,
189  void * private_data, u32 hw_dma_addr,
190  int pcm_channel_id);
191 void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip,
192  struct dsp_pcm_channel_descriptor * pcm_channel);
193 int cs46xx_dsp_pcm_unlink (struct snd_cs46xx * chip,
194  struct dsp_pcm_channel_descriptor * pcm_channel);
195 int cs46xx_dsp_pcm_link (struct snd_cs46xx * chip,
196  struct dsp_pcm_channel_descriptor * pcm_channel);
197 struct dsp_scb_descriptor *
198 cs46xx_add_record_source (struct snd_cs46xx *chip, struct dsp_scb_descriptor * source,
199  u16 addr, char * scb_name);
200 int cs46xx_src_unlink(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src);
201 int cs46xx_src_link(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src);
202 int cs46xx_iec958_pre_open (struct snd_cs46xx *chip);
203 int cs46xx_iec958_post_close (struct snd_cs46xx *chip);
204 int cs46xx_dsp_pcm_channel_set_period (struct snd_cs46xx * chip,
205  struct dsp_pcm_channel_descriptor * pcm_channel,
206  int period_size);
207 int cs46xx_dsp_pcm_ostream_set_period (struct snd_cs46xx * chip, int period_size);
208 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right);
209 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right);
210 #endif /* __CS46XX_LIB_H__ */
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