git.oblomov.eu Git - linux-2.6/blob - sound/pci/cs46xx/cs46xx_lib.h

   1 /*
   2  *  The driver for the Cirrus Logic's Sound Fusion CS46XX based soundcards
   3  *  Copyright (c) by Jaroslav Kysela <perex@suse.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_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 1
  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         /*if (bank == 0) printk("snd_cs46xx_poke: %04X - %08X\n",reg >> 2,val); */
  66         writel(val, chip->region.idx[bank+1].remap_addr + offset);
  67 }
  68
  69 static inline unsigned int snd_cs46xx_peek(struct snd_cs46xx *chip, unsigned long reg)
  70 {
  71         unsigned int bank = reg >> 16;
  72         unsigned int offset = reg & 0xffff;
  73         return readl(chip->region.idx[bank+1].remap_addr + offset);
  74 }
  75
  76 static inline void snd_cs46xx_pokeBA0(struct snd_cs46xx *chip, unsigned long offset, unsigned int val)
  77 {
  78         writel(val, chip->region.name.ba0.remap_addr + offset);
  79 }
  80
  81 static inline unsigned int snd_cs46xx_peekBA0(struct snd_cs46xx *chip, unsigned long offset)
  82 {
  83         return readl(chip->region.name.ba0.remap_addr + offset);
  84 }
  85
  86 struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip);
  87 void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip);
  88 int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module);
  89 struct dsp_symbol_entry *cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name,
  90                                                    int symbol_type);
  91 #ifdef CONFIG_PROC_FS
  92 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip);
  93 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip);
  94 #else
  95 #define cs46xx_dsp_proc_init(card, chip)
  96 #define cs46xx_dsp_proc_done(chip)
  97 #endif
  98 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip);
  99 int snd_cs46xx_download (struct snd_cs46xx *chip, u32 *src, unsigned long offset,
 100                          unsigned long len);
 101 int snd_cs46xx_clear_BA1(struct snd_cs46xx *chip, unsigned long offset, unsigned long len);
 102 int cs46xx_dsp_enable_spdif_out (struct snd_cs46xx *chip);
 103 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip);
 104 int cs46xx_dsp_disable_spdif_out (struct snd_cs46xx *chip);
 105 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip);
 106 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip);
 107 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip);
 108 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip);
 109 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip);
 110 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip);
 111 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data);
 112 struct dsp_scb_descriptor * cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name,
 113                                                    u32 * scb_data, u32 dest);
 114 #ifdef CONFIG_PROC_FS
 115 void cs46xx_dsp_proc_free_scb_desc (struct dsp_scb_descriptor * scb);
 116 void cs46xx_dsp_proc_register_scb_desc (struct snd_cs46xx *chip,
 117                                         struct dsp_scb_descriptor * scb);
 118 #else
 119 #define cs46xx_dsp_proc_free_scb_desc(scb)
 120 #define cs46xx_dsp_proc_register_scb_desc(chip, scb)
 121 #endif
 122 struct dsp_scb_descriptor * cs46xx_dsp_create_timing_master_scb (struct snd_cs46xx *chip);
 123 struct dsp_scb_descriptor *
 124 cs46xx_dsp_create_codec_out_scb(struct snd_cs46xx * chip,
 125                                 char * codec_name, u16 channel_disp, u16 fifo_addr,
 126                                 u16 child_scb_addr, u32 dest,
 127                                 struct dsp_scb_descriptor * parent_scb,
 128                                 int scb_child_type);
 129 struct dsp_scb_descriptor *
 130 cs46xx_dsp_create_codec_in_scb(struct snd_cs46xx * chip, char * codec_name,
 131                                u16 channel_disp, u16 fifo_addr,
 132                                u16 sample_buffer_addr, u32 dest,
 133                                struct dsp_scb_descriptor * parent_scb,
 134                                int scb_child_type);
 135 void cs46xx_dsp_remove_scb (struct snd_cs46xx *chip,
 136                             struct dsp_scb_descriptor * scb);
 137 struct dsp_scb_descriptor *
 138 cs46xx_dsp_create_codec_in_scb(struct snd_cs46xx * chip, char * codec_name,
 139                                u16 channel_disp, u16 fifo_addr,
 140                                u16 sample_buffer_addr, u32 dest,
 141                                struct dsp_scb_descriptor * parent_scb,
 142                                int scb_child_type);
 143 struct dsp_scb_descriptor *
 144 cs46xx_dsp_create_src_task_scb(struct snd_cs46xx * chip, char * scb_name,
 145                                int sample_rate, u16 src_buffer_addr,
 146                                u16 src_delay_buffer_addr, u32 dest,
 147                                struct dsp_scb_descriptor * parent_scb,
 148                                int scb_child_type, int pass_through);
 149 struct dsp_scb_descriptor *
 150 cs46xx_dsp_create_mix_only_scb(struct snd_cs46xx * chip, char * scb_name,
 151                                u16 mix_buffer_addr, u32 dest,
 152                                struct dsp_scb_descriptor * parent_scb,
 153                                int scb_child_type);
 154
 155 struct dsp_scb_descriptor *
 156 cs46xx_dsp_create_vari_decimate_scb(struct snd_cs46xx * chip, char * scb_name,
 157                                     u16 vari_buffer_addr0, u16 vari_buffer_addr1, u32 dest,
 158                                     struct dsp_scb_descriptor * parent_scb,
 159                                     int scb_child_type);
 160 struct dsp_scb_descriptor *
 161 cs46xx_dsp_create_asynch_fg_rx_scb(struct snd_cs46xx * chip, char * scb_name,
 162                                    u32 dest, u16 hfg_scb_address, u16 asynch_buffer_address,
 163                                    struct dsp_scb_descriptor * parent_scb,
 164                                    int scb_child_type);
 165 struct dsp_scb_descriptor *
 166 cs46xx_dsp_create_spio_write_scb(struct snd_cs46xx * chip, char * scb_name, u32 dest,
 167                                  struct dsp_scb_descriptor * parent_scb,
 168                                  int scb_child_type);
 169 struct dsp_scb_descriptor *
 170 cs46xx_dsp_create_mix_to_ostream_scb(struct snd_cs46xx * chip, char * scb_name,
 171                                      u16 mix_buffer_addr, u16 writeback_spb, u32 dest,
 172                                      struct dsp_scb_descriptor * parent_scb,
 173                                      int scb_child_type);
 174 struct dsp_scb_descriptor *
 175 cs46xx_dsp_create_magic_snoop_scb(struct snd_cs46xx * chip, char * scb_name,
 176                                   u32 dest, u16 snoop_buffer_address,
 177                                   struct dsp_scb_descriptor * snoop_scb,
 178                                   struct dsp_scb_descriptor * parent_scb,
 179                                   int scb_child_type);
 180 struct dsp_pcm_channel_descriptor *
 181 cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip, u32 sample_rate,
 182                                void * private_data, u32 hw_dma_addr,
 183                                int pcm_channel_id);
 184 void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip,
 185                                      struct dsp_pcm_channel_descriptor * pcm_channel);
 186 int cs46xx_dsp_pcm_unlink (struct snd_cs46xx * chip,
 187                            struct dsp_pcm_channel_descriptor * pcm_channel);
 188 int cs46xx_dsp_pcm_link (struct snd_cs46xx * chip,
 189                          struct dsp_pcm_channel_descriptor * pcm_channel);
 190 struct dsp_scb_descriptor *
 191 cs46xx_add_record_source (struct snd_cs46xx *chip, struct dsp_scb_descriptor * source,
 192                           u16 addr, char * scb_name);
 193 int cs46xx_src_unlink(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src);
 194 int cs46xx_src_link(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src);
 195 int cs46xx_iec958_pre_open (struct snd_cs46xx *chip);
 196 int cs46xx_iec958_post_close (struct snd_cs46xx *chip);
 197 int cs46xx_dsp_pcm_channel_set_period (struct snd_cs46xx * chip,
 198                                        struct dsp_pcm_channel_descriptor * pcm_channel,
 199                                        int period_size);
 200 int cs46xx_dsp_pcm_ostream_set_period (struct snd_cs46xx * chip, int period_size);
 201 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right);
 202 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right);
 203 #endif /* __CS46XX_LIB_H__ */