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 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 #ifdef CONFIG_PM 90 int cs46xx_dsp_resume(struct snd_cs46xx * chip); 91 #endif 92 struct dsp_symbol_entry *cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, 93 int symbol_type); 94 #ifdef CONFIG_PROC_FS 95 int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip); 96 int cs46xx_dsp_proc_done (struct snd_cs46xx *chip); 97 #else 98 #define cs46xx_dsp_proc_init(card, chip) 99 #define cs46xx_dsp_proc_done(chip) 100 #endif 101 int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip); 102 int snd_cs46xx_download (struct snd_cs46xx *chip, u32 *src, unsigned long offset, 103 unsigned long len); 104 int snd_cs46xx_clear_BA1(struct snd_cs46xx *chip, unsigned long offset, unsigned long len); 105 int cs46xx_dsp_enable_spdif_out (struct snd_cs46xx *chip); 106 int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip); 107 int cs46xx_dsp_disable_spdif_out (struct snd_cs46xx *chip); 108 int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip); 109 int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip); 110 int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip); 111 int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip); 112 int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip); 113 int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip); 114 int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data); 115 struct dsp_scb_descriptor * cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, 116 u32 * scb_data, u32 dest); 117 #ifdef CONFIG_PROC_FS 118 void cs46xx_dsp_proc_free_scb_desc (struct dsp_scb_descriptor * scb); 119 void cs46xx_dsp_proc_register_scb_desc (struct snd_cs46xx *chip, 120 struct dsp_scb_descriptor * scb); 121 #else 122 #define cs46xx_dsp_proc_free_scb_desc(scb) 123 #define cs46xx_dsp_proc_register_scb_desc(chip, scb) 124 #endif 125 struct dsp_scb_descriptor * cs46xx_dsp_create_timing_master_scb (struct snd_cs46xx *chip); 126 struct dsp_scb_descriptor * 127 cs46xx_dsp_create_codec_out_scb(struct snd_cs46xx * chip, 128 char * codec_name, u16 channel_disp, u16 fifo_addr, 129 u16 child_scb_addr, u32 dest, 130 struct dsp_scb_descriptor * parent_scb, 131 int scb_child_type); 132 struct dsp_scb_descriptor * 133 cs46xx_dsp_create_codec_in_scb(struct snd_cs46xx * chip, char * codec_name, 134 u16 channel_disp, u16 fifo_addr, 135 u16 sample_buffer_addr, u32 dest, 136 struct dsp_scb_descriptor * parent_scb, 137 int scb_child_type); 138 void cs46xx_dsp_remove_scb (struct snd_cs46xx *chip, 139 struct dsp_scb_descriptor * scb); 140 struct dsp_scb_descriptor * 141 cs46xx_dsp_create_codec_in_scb(struct snd_cs46xx * chip, char * codec_name, 142 u16 channel_disp, u16 fifo_addr, 143 u16 sample_buffer_addr, u32 dest, 144 struct dsp_scb_descriptor * parent_scb, 145 int scb_child_type); 146 struct dsp_scb_descriptor * 147 cs46xx_dsp_create_src_task_scb(struct snd_cs46xx * chip, char * scb_name, 148 int sample_rate, u16 src_buffer_addr, 149 u16 src_delay_buffer_addr, u32 dest, 150 struct dsp_scb_descriptor * parent_scb, 151 int scb_child_type, int pass_through); 152 struct dsp_scb_descriptor * 153 cs46xx_dsp_create_mix_only_scb(struct snd_cs46xx * chip, char * scb_name, 154 u16 mix_buffer_addr, u32 dest, 155 struct dsp_scb_descriptor * parent_scb, 156 int scb_child_type); 157 158 struct dsp_scb_descriptor * 159 cs46xx_dsp_create_vari_decimate_scb(struct snd_cs46xx * chip, char * scb_name, 160 u16 vari_buffer_addr0, u16 vari_buffer_addr1, u32 dest, 161 struct dsp_scb_descriptor * parent_scb, 162 int scb_child_type); 163 struct dsp_scb_descriptor * 164 cs46xx_dsp_create_asynch_fg_rx_scb(struct snd_cs46xx * chip, char * scb_name, 165 u32 dest, u16 hfg_scb_address, u16 asynch_buffer_address, 166 struct dsp_scb_descriptor * parent_scb, 167 int scb_child_type); 168 struct dsp_scb_descriptor * 169 cs46xx_dsp_create_spio_write_scb(struct snd_cs46xx * chip, char * scb_name, u32 dest, 170 struct dsp_scb_descriptor * parent_scb, 171 int scb_child_type); 172 struct dsp_scb_descriptor * 173 cs46xx_dsp_create_mix_to_ostream_scb(struct snd_cs46xx * chip, char * scb_name, 174 u16 mix_buffer_addr, u16 writeback_spb, u32 dest, 175 struct dsp_scb_descriptor * parent_scb, 176 int scb_child_type); 177 struct dsp_scb_descriptor * 178 cs46xx_dsp_create_magic_snoop_scb(struct snd_cs46xx * chip, char * scb_name, 179 u32 dest, u16 snoop_buffer_address, 180 struct dsp_scb_descriptor * snoop_scb, 181 struct dsp_scb_descriptor * parent_scb, 182 int scb_child_type); 183 struct dsp_pcm_channel_descriptor * 184 cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip, u32 sample_rate, 185 void * private_data, u32 hw_dma_addr, 186 int pcm_channel_id); 187 void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip, 188 struct dsp_pcm_channel_descriptor * pcm_channel); 189 int cs46xx_dsp_pcm_unlink (struct snd_cs46xx * chip, 190 struct dsp_pcm_channel_descriptor * pcm_channel); 191 int cs46xx_dsp_pcm_link (struct snd_cs46xx * chip, 192 struct dsp_pcm_channel_descriptor * pcm_channel); 193 struct dsp_scb_descriptor * 194 cs46xx_add_record_source (struct snd_cs46xx *chip, struct dsp_scb_descriptor * source, 195 u16 addr, char * scb_name); 196 int cs46xx_src_unlink(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src); 197 int cs46xx_src_link(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src); 198 int cs46xx_iec958_pre_open (struct snd_cs46xx *chip); 199 int cs46xx_iec958_post_close (struct snd_cs46xx *chip); 200 int cs46xx_dsp_pcm_channel_set_period (struct snd_cs46xx * chip, 201 struct dsp_pcm_channel_descriptor * pcm_channel, 202 int period_size); 203 int cs46xx_dsp_pcm_ostream_set_period (struct snd_cs46xx * chip, int period_size); 204 int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right); 205 int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right); 206 #endif /* __CS46XX_LIB_H__ */ 207