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 60static 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 73static 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 80static 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 85static 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 90struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip); 91void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip); 92int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module); 93#ifdef CONFIG_PM 94int cs46xx_dsp_resume(struct snd_cs46xx * chip); 95#endif 96struct dsp_symbol_entry *cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name, 97 int symbol_type); 98#ifdef CONFIG_PROC_FS 99int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip); 100int 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 105int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip); 106int snd_cs46xx_download (struct snd_cs46xx *chip, u32 *src, unsigned long offset, 107 unsigned long len); 108int snd_cs46xx_clear_BA1(struct snd_cs46xx *chip, unsigned long offset, unsigned long len); 109int cs46xx_dsp_enable_spdif_out (struct snd_cs46xx *chip); 110int cs46xx_dsp_enable_spdif_hw (struct snd_cs46xx *chip); 111int cs46xx_dsp_disable_spdif_out (struct snd_cs46xx *chip); 112int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip); 113int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip); 114int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip); 115int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip); 116int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip); 117int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip); 118int cs46xx_poke_via_dsp (struct snd_cs46xx *chip, u32 address, u32 data); 119struct dsp_scb_descriptor * cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, 120 u32 * scb_data, u32 dest); 121#ifdef CONFIG_PROC_FS 122void cs46xx_dsp_proc_free_scb_desc (struct dsp_scb_descriptor * scb); 123void 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 129struct dsp_scb_descriptor * cs46xx_dsp_create_timing_master_scb (struct snd_cs46xx *chip); 130struct dsp_scb_descriptor * 131cs46xx_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); 136struct dsp_scb_descriptor * 137cs46xx_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); 142void cs46xx_dsp_remove_scb (struct snd_cs46xx *chip, 143 struct dsp_scb_descriptor * scb); 144struct dsp_scb_descriptor * 145cs46xx_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); 150struct dsp_scb_descriptor * 151cs46xx_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); 156struct dsp_scb_descriptor * 157cs46xx_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 162struct dsp_scb_descriptor * 163cs46xx_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); 167struct dsp_scb_descriptor * 168cs46xx_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); 172struct dsp_scb_descriptor * 173cs46xx_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); 176struct dsp_scb_descriptor * 177cs46xx_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); 181struct dsp_scb_descriptor * 182cs46xx_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); 187struct dsp_pcm_channel_descriptor * 188cs46xx_dsp_create_pcm_channel (struct snd_cs46xx * chip, u32 sample_rate, 189 void * private_data, u32 hw_dma_addr, 190 int pcm_channel_id); 191void cs46xx_dsp_destroy_pcm_channel (struct snd_cs46xx * chip, 192 struct dsp_pcm_channel_descriptor * pcm_channel); 193int cs46xx_dsp_pcm_unlink (struct snd_cs46xx * chip, 194 struct dsp_pcm_channel_descriptor * pcm_channel); 195int cs46xx_dsp_pcm_link (struct snd_cs46xx * chip, 196 struct dsp_pcm_channel_descriptor * pcm_channel); 197struct dsp_scb_descriptor * 198cs46xx_add_record_source (struct snd_cs46xx *chip, struct dsp_scb_descriptor * source, 199 u16 addr, char * scb_name); 200int cs46xx_src_unlink(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src); 201int cs46xx_src_link(struct snd_cs46xx *chip, struct dsp_scb_descriptor * src); 202int cs46xx_iec958_pre_open (struct snd_cs46xx *chip); 203int cs46xx_iec958_post_close (struct snd_cs46xx *chip); 204int cs46xx_dsp_pcm_channel_set_period (struct snd_cs46xx * chip, 205 struct dsp_pcm_channel_descriptor * pcm_channel, 206 int period_size); 207int cs46xx_dsp_pcm_ostream_set_period (struct snd_cs46xx * chip, int period_size); 208int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right); 209int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right); 210#endif /* __CS46XX_LIB_H__ */ 211