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_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__ */ 211