diff options
Diffstat (limited to 'sound/pci/cs46xx/dsp_spos_scb_lib.c')
-rw-r--r-- | sound/pci/cs46xx/dsp_spos_scb_lib.c | 1750 |
1 files changed, 1750 insertions, 0 deletions
diff --git a/sound/pci/cs46xx/dsp_spos_scb_lib.c b/sound/pci/cs46xx/dsp_spos_scb_lib.c new file mode 100644 index 000000000000..92849e1340bb --- /dev/null +++ b/sound/pci/cs46xx/dsp_spos_scb_lib.c @@ -0,0 +1,1750 @@ +/* + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +/* + * 2002-07 Benny Sjostrand benny@hostmobility.com + */ + + +#include <sound/driver.h> +#include <asm/io.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include <linux/pm.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <sound/core.h> +#include <sound/control.h> +#include <sound/info.h> +#include <sound/cs46xx.h> + +#include "cs46xx_lib.h" +#include "dsp_spos.h" + +typedef struct _proc_scb_info_t { + dsp_scb_descriptor_t * scb_desc; + cs46xx_t *chip; +} proc_scb_info_t; + +static void remove_symbol (cs46xx_t * chip,symbol_entry_t * symbol) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + int symbol_index = (int)(symbol - ins->symbol_table.symbols); + + snd_assert(ins->symbol_table.nsymbols > 0,return); + snd_assert(symbol_index >= 0 && symbol_index < ins->symbol_table.nsymbols, return); + + ins->symbol_table.symbols[symbol_index].deleted = 1; + + if (symbol_index < ins->symbol_table.highest_frag_index) { + ins->symbol_table.highest_frag_index = symbol_index; + } + + if (symbol_index == ins->symbol_table.nsymbols - 1) + ins->symbol_table.nsymbols --; + + if (ins->symbol_table.highest_frag_index > ins->symbol_table.nsymbols) { + ins->symbol_table.highest_frag_index = ins->symbol_table.nsymbols; + } + +} + +static void cs46xx_dsp_proc_scb_info_read (snd_info_entry_t *entry, snd_info_buffer_t * buffer) +{ + proc_scb_info_t * scb_info = (proc_scb_info_t *)entry->private_data; + dsp_scb_descriptor_t * scb = scb_info->scb_desc; + dsp_spos_instance_t * ins; + cs46xx_t *chip = scb_info->chip; + int j,col; + void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET; + + ins = chip->dsp_spos_instance; + + down(&chip->spos_mutex); + snd_iprintf(buffer,"%04x %s:\n",scb->address,scb->scb_name); + + for (col = 0,j = 0;j < 0x10; j++,col++) { + if (col == 4) { + snd_iprintf(buffer,"\n"); + col = 0; + } + snd_iprintf(buffer,"%08x ",readl(dst + (scb->address + j) * sizeof(u32))); + } + + snd_iprintf(buffer,"\n"); + + if (scb->parent_scb_ptr != NULL) { + snd_iprintf(buffer,"parent [%s:%04x] ", + scb->parent_scb_ptr->scb_name, + scb->parent_scb_ptr->address); + } else snd_iprintf(buffer,"parent [none] "); + + snd_iprintf(buffer,"sub_list_ptr [%s:%04x]\nnext_scb_ptr [%s:%04x] task_entry [%s:%04x]\n", + scb->sub_list_ptr->scb_name, + scb->sub_list_ptr->address, + scb->next_scb_ptr->scb_name, + scb->next_scb_ptr->address, + scb->task_entry->symbol_name, + scb->task_entry->address); + + snd_iprintf(buffer,"index [%d] ref_count [%d]\n",scb->index,scb->ref_count); + up(&chip->spos_mutex); +} + +static void _dsp_unlink_scb (cs46xx_t *chip,dsp_scb_descriptor_t * scb) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + unsigned long flags; + + if ( scb->parent_scb_ptr ) { + /* unlink parent SCB */ + snd_assert ((scb->parent_scb_ptr->sub_list_ptr == scb || + scb->parent_scb_ptr->next_scb_ptr == scb),return); + + if (scb->parent_scb_ptr->sub_list_ptr == scb) { + + if (scb->next_scb_ptr == ins->the_null_scb) { + /* last and only node in parent sublist */ + scb->parent_scb_ptr->sub_list_ptr = scb->sub_list_ptr; + + if (scb->sub_list_ptr != ins->the_null_scb) { + scb->sub_list_ptr->parent_scb_ptr = scb->parent_scb_ptr; + } + scb->sub_list_ptr = ins->the_null_scb; + } else { + /* first node in parent sublist */ + scb->parent_scb_ptr->sub_list_ptr = scb->next_scb_ptr; + + if (scb->next_scb_ptr != ins->the_null_scb) { + /* update next node parent ptr. */ + scb->next_scb_ptr->parent_scb_ptr = scb->parent_scb_ptr; + } + scb->next_scb_ptr = ins->the_null_scb; + } + } else { + /* snd_assert ( (scb->sub_list_ptr == ins->the_null_scb), return); */ + scb->parent_scb_ptr->next_scb_ptr = scb->next_scb_ptr; + + if (scb->next_scb_ptr != ins->the_null_scb) { + /* update next node parent ptr. */ + scb->next_scb_ptr->parent_scb_ptr = scb->parent_scb_ptr; + } + scb->next_scb_ptr = ins->the_null_scb; + } + + spin_lock_irqsave(&chip->reg_lock, flags); + + /* update parent first entry in DSP RAM */ + cs46xx_dsp_spos_update_scb(chip,scb->parent_scb_ptr); + + /* then update entry in DSP RAM */ + cs46xx_dsp_spos_update_scb(chip,scb); + + scb->parent_scb_ptr = NULL; + spin_unlock_irqrestore(&chip->reg_lock, flags); + } +} + +static void _dsp_clear_sample_buffer (cs46xx_t *chip, u32 sample_buffer_addr, int dword_count) +{ + void __iomem *dst = chip->region.idx[2].remap_addr + sample_buffer_addr; + int i; + + for (i = 0; i < dword_count ; ++i ) { + writel(0, dst); + dst += 4; + } +} + +void cs46xx_dsp_remove_scb (cs46xx_t *chip, dsp_scb_descriptor_t * scb) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + + /* check integrety */ + snd_assert ( (scb->index >= 0 && + scb->index < ins->nscb && + (ins->scbs + scb->index) == scb), return ); + +#if 0 + /* can't remove a SCB with childs before + removing childs first */ + snd_assert ( (scb->sub_list_ptr == ins->the_null_scb && + scb->next_scb_ptr == ins->the_null_scb), + goto _end); +#endif + + spin_lock(&scb->lock); + _dsp_unlink_scb (chip,scb); + spin_unlock(&scb->lock); + + cs46xx_dsp_proc_free_scb_desc(scb); + snd_assert (scb->scb_symbol != NULL, return ); + remove_symbol (chip,scb->scb_symbol); + + ins->scbs[scb->index].deleted = 1; + + if (scb->index < ins->scb_highest_frag_index) + ins->scb_highest_frag_index = scb->index; + + if (scb->index == ins->nscb - 1) { + ins->nscb --; + } + + if (ins->scb_highest_frag_index > ins->nscb) { + ins->scb_highest_frag_index = ins->nscb; + } + +#if 0 + /* !!!! THIS IS A PIECE OF SHIT MADE BY ME !!! */ + for(i = scb->index + 1;i < ins->nscb; ++i) { + ins->scbs[i - 1].index = i - 1; + } +#endif +} + + +void cs46xx_dsp_proc_free_scb_desc (dsp_scb_descriptor_t * scb) +{ + if (scb->proc_info) { + proc_scb_info_t * scb_info = (proc_scb_info_t *)scb->proc_info->private_data; + + snd_printdd("cs46xx_dsp_proc_free_scb_desc: freeing %s\n",scb->scb_name); + + snd_info_unregister(scb->proc_info); + scb->proc_info = NULL; + + snd_assert (scb_info != NULL, return); + kfree (scb_info); + } +} + +void cs46xx_dsp_proc_register_scb_desc (cs46xx_t *chip,dsp_scb_descriptor_t * scb) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + snd_info_entry_t * entry; + proc_scb_info_t * scb_info; + + /* register to proc */ + if (ins->snd_card != NULL && ins->proc_dsp_dir != NULL && + scb->proc_info == NULL) { + + if ((entry = snd_info_create_card_entry(ins->snd_card, scb->scb_name, + ins->proc_dsp_dir)) != NULL) { + scb_info = kmalloc(sizeof(proc_scb_info_t), GFP_KERNEL); + if (!scb_info) { + snd_info_free_entry(entry); + entry = NULL; + goto out; + } + + scb_info->chip = chip; + scb_info->scb_desc = scb; + + entry->content = SNDRV_INFO_CONTENT_TEXT; + entry->private_data = scb_info; + entry->mode = S_IFREG | S_IRUGO | S_IWUSR; + + entry->c.text.read_size = 512; + entry->c.text.read = cs46xx_dsp_proc_scb_info_read; + + if (snd_info_register(entry) < 0) { + snd_info_free_entry(entry); + kfree (scb_info); + entry = NULL; + } + } +out: + scb->proc_info = entry; + } +} + +static dsp_scb_descriptor_t * +_dsp_create_generic_scb (cs46xx_t *chip,char * name, u32 * scb_data,u32 dest, + symbol_entry_t * task_entry, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + dsp_scb_descriptor_t * scb; + + unsigned long flags; + + snd_assert (ins->the_null_scb != NULL,return NULL); + + /* fill the data that will be wroten to DSP */ + scb_data[SCBsubListPtr] = + (ins->the_null_scb->address << 0x10) | ins->the_null_scb->address; + + scb_data[SCBfuncEntryPtr] &= 0xFFFF0000; + scb_data[SCBfuncEntryPtr] |= task_entry->address; + + snd_printdd("dsp_spos: creating SCB <%s>\n",name); + + scb = cs46xx_dsp_create_scb(chip,name,scb_data,dest); + + + scb->sub_list_ptr = ins->the_null_scb; + scb->next_scb_ptr = ins->the_null_scb; + + scb->parent_scb_ptr = parent_scb; + scb->task_entry = task_entry; + + + /* update parent SCB */ + if (scb->parent_scb_ptr) { +#if 0 + printk ("scb->parent_scb_ptr = %s\n",scb->parent_scb_ptr->scb_name); + printk ("scb->parent_scb_ptr->next_scb_ptr = %s\n",scb->parent_scb_ptr->next_scb_ptr->scb_name); + printk ("scb->parent_scb_ptr->sub_list_ptr = %s\n",scb->parent_scb_ptr->sub_list_ptr->scb_name); +#endif + /* link to parent SCB */ + if (scb_child_type == SCB_ON_PARENT_NEXT_SCB) { + snd_assert ( (scb->parent_scb_ptr->next_scb_ptr == ins->the_null_scb), + return NULL); + + scb->parent_scb_ptr->next_scb_ptr = scb; + + } else if (scb_child_type == SCB_ON_PARENT_SUBLIST_SCB) { + snd_assert ( (scb->parent_scb_ptr->sub_list_ptr == ins->the_null_scb), + return NULL); + + scb->parent_scb_ptr->sub_list_ptr = scb; + } else { + snd_assert (0,return NULL); + } + + spin_lock_irqsave(&chip->reg_lock, flags); + + /* update entry in DSP RAM */ + cs46xx_dsp_spos_update_scb(chip,scb->parent_scb_ptr); + + spin_unlock_irqrestore(&chip->reg_lock, flags); + } + + + cs46xx_dsp_proc_register_scb_desc (chip,scb); + + return scb; +} + +static dsp_scb_descriptor_t * +cs46xx_dsp_create_generic_scb (cs46xx_t *chip,char * name, u32 * scb_data,u32 dest, + char * task_entry_name, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + symbol_entry_t * task_entry; + + task_entry = cs46xx_dsp_lookup_symbol (chip,task_entry_name, + SYMBOL_CODE); + + if (task_entry == NULL) { + snd_printk (KERN_ERR "dsp_spos: symbol %s not found\n",task_entry_name); + return NULL; + } + + return _dsp_create_generic_scb (chip,name,scb_data,dest,task_entry, + parent_scb,scb_child_type); +} + +dsp_scb_descriptor_t * +cs46xx_dsp_create_timing_master_scb (cs46xx_t *chip) +{ + dsp_scb_descriptor_t * scb; + + timing_master_scb_t timing_master_scb = { + { 0, + 0, + 0, + 0 + }, + { 0, + 0, + 0, + 0, + 0 + }, + 0,0, + 0,NULL_SCB_ADDR, + 0,0, /* extraSampleAccum:TMreserved */ + 0,0, /* codecFIFOptr:codecFIFOsyncd */ + 0x0001,0x8000, /* fracSampAccumQm1:TMfrmsLeftInGroup */ + 0x0001,0x0000, /* fracSampCorrectionQm1:TMfrmGroupLength */ + 0x00060000 /* nSampPerFrmQ15 */ + }; + + scb = cs46xx_dsp_create_generic_scb(chip,"TimingMasterSCBInst",(u32 *)&timing_master_scb, + TIMINGMASTER_SCB_ADDR, + "TIMINGMASTER",NULL,SCB_NO_PARENT); + + return scb; +} + + +dsp_scb_descriptor_t * +cs46xx_dsp_create_codec_out_scb(cs46xx_t * chip,char * codec_name, + u16 channel_disp,u16 fifo_addr, + u16 child_scb_addr, + u32 dest,dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + dsp_scb_descriptor_t * scb; + + codec_output_scb_t codec_out_scb = { + { 0, + 0, + 0, + 0 + }, + { + 0, + 0, + 0, + 0, + 0 + }, + 0,0, + 0,NULL_SCB_ADDR, + 0, /* COstrmRsConfig */ + 0, /* COstrmBufPtr */ + channel_disp,fifo_addr, /* leftChanBaseIOaddr:rightChanIOdisp */ + 0x0000,0x0080, /* (!AC97!) COexpVolChangeRate:COscaleShiftCount */ + 0,child_scb_addr /* COreserved - need child scb to work with rom code */ + }; + + + scb = cs46xx_dsp_create_generic_scb(chip,codec_name,(u32 *)&codec_out_scb, + dest,"S16_CODECOUTPUTTASK",parent_scb, + scb_child_type); + + return scb; +} + +dsp_scb_descriptor_t * +cs46xx_dsp_create_codec_in_scb(cs46xx_t * chip,char * codec_name, + u16 channel_disp,u16 fifo_addr, + u16 sample_buffer_addr, + u32 dest,dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + + dsp_scb_descriptor_t * scb; + codec_input_scb_t codec_input_scb = { + { 0, + 0, + 0, + 0 + }, + { + 0, + 0, + 0, + 0, + 0 + }, + +#if 0 /* cs4620 */ + SyncIOSCB,NULL_SCB_ADDR +#else + 0 , 0, +#endif + 0,0, + + RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64, /* strmRsConfig */ + sample_buffer_addr << 0x10, /* strmBufPtr; defined as a dword ptr, used as a byte ptr */ + channel_disp,fifo_addr, /* (!AC97!) leftChanBaseINaddr=AC97primary + link input slot 3 :rightChanINdisp=""slot 4 */ + 0x0000,0x0000, /* (!AC97!) ????:scaleShiftCount; no shift needed + because AC97 is already 20 bits */ + 0x80008000 /* ??clw cwcgame.scb has 0 */ + }; + + scb = cs46xx_dsp_create_generic_scb(chip,codec_name,(u32 *)&codec_input_scb, + dest,"S16_CODECINPUTTASK",parent_scb, + scb_child_type); + return scb; +} + + +static dsp_scb_descriptor_t * +cs46xx_dsp_create_pcm_reader_scb(cs46xx_t * chip,char * scb_name, + u16 sample_buffer_addr,u32 dest, + int virtual_channel, u32 playback_hw_addr, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + dsp_scb_descriptor_t * scb; + + generic_scb_t pcm_reader_scb = { + + /* + Play DMA Task xfers data from host buffer to SP buffer + init/runtime variables: + PlayAC: Play Audio Data Conversion - SCB loc: 2nd dword, mask: 0x0000F000L + DATA_FMT_16BIT_ST_LTLEND(0x00000000L) from 16-bit stereo, little-endian + DATA_FMT_8_BIT_ST_SIGNED(0x00001000L) from 8-bit stereo, signed + DATA_FMT_16BIT_MN_LTLEND(0x00002000L) from 16-bit mono, little-endian + DATA_FMT_8_BIT_MN_SIGNED(0x00003000L) from 8-bit mono, signed + DATA_FMT_16BIT_ST_BIGEND(0x00004000L) from 16-bit stereo, big-endian + DATA_FMT_16BIT_MN_BIGEND(0x00006000L) from 16-bit mono, big-endian + DATA_FMT_8_BIT_ST_UNSIGNED(0x00009000L) from 8-bit stereo, unsigned + DATA_FMT_8_BIT_MN_UNSIGNED(0x0000b000L) from 8-bit mono, unsigned + ? Other combinations possible from: + DMA_RQ_C2_AUDIO_CONVERT_MASK 0x0000F000L + DMA_RQ_C2_AC_NONE 0x00000000L + DMA_RQ_C2_AC_8_TO_16_BIT 0x00001000L + DMA_RQ_C2_AC_MONO_TO_STEREO 0x00002000L + DMA_RQ_C2_AC_ENDIAN_CONVERT 0x00004000L + DMA_RQ_C2_AC_SIGNED_CONVERT 0x00008000L + + HostBuffAddr: Host Buffer Physical Byte Address - SCB loc:3rd dword, Mask: 0xFFFFFFFFL + aligned to dword boundary + */ + /* Basic (non scatter/gather) DMA requestor (4 ints) */ + { DMA_RQ_C1_SOURCE_ON_HOST + /* source buffer is on the host */ + DMA_RQ_C1_SOURCE_MOD1024 + /* source buffer is 1024 dwords (4096 bytes) */ + DMA_RQ_C1_DEST_MOD32 + /* dest buffer(PCMreaderBuf) is 32 dwords*/ + DMA_RQ_C1_WRITEBACK_SRC_FLAG + /* ?? */ + DMA_RQ_C1_WRITEBACK_DEST_FLAG + /* ?? */ + 15, /* DwordCount-1: picked 16 for DwordCount because Jim */ + /* Barnette said that is what we should use since */ + /* we are not running in optimized mode? */ + DMA_RQ_C2_AC_NONE + + DMA_RQ_C2_SIGNAL_SOURCE_PINGPONG + /* set play interrupt (bit0) in HISR when source */ + /* buffer (on host) crosses half-way point */ + virtual_channel, /* Play DMA channel arbitrarily set to 0 */ + playback_hw_addr, /* HostBuffAddr (source) */ + DMA_RQ_SD_SP_SAMPLE_ADDR + /* destination buffer is in SP Sample Memory */ + sample_buffer_addr /* SP Buffer Address (destination) */ + }, + /* Scatter/gather DMA requestor extension (5 ints) */ + { + 0, + 0, + 0, + 0, + 0 + }, + /* Sublist pointer & next stream control block (SCB) link. */ + NULL_SCB_ADDR,NULL_SCB_ADDR, + /* Pointer to this tasks parameter block & stream function pointer */ + 0,NULL_SCB_ADDR, + /* rsConfig register for stream buffer (rsDMA reg. is loaded from basicReq.daw */ + /* for incoming streams, or basicReq.saw, for outgoing streams) */ + RSCONFIG_DMA_ENABLE + /* enable DMA */ + (19 << RSCONFIG_MAX_DMA_SIZE_SHIFT) + /* MAX_DMA_SIZE picked to be 19 since SPUD */ + /* uses it for some reason */ + ((dest >> 4) << RSCONFIG_STREAM_NUM_SHIFT) + /* stream number = SCBaddr/16 */ + RSCONFIG_SAMPLE_16STEREO + + RSCONFIG_MODULO_32, /* dest buffer(PCMreaderBuf) is 32 dwords (256 bytes) */ + /* Stream sample pointer & MAC-unit mode for this stream */ + (sample_buffer_addr << 0x10), + /* Fractional increment per output sample in the input sample buffer */ + 0, + { + /* Standard stereo volume control + default muted */ + 0xffff,0xffff, + 0xffff,0xffff + } + }; + + if (ins->null_algorithm == NULL) { + ins->null_algorithm = cs46xx_dsp_lookup_symbol (chip,"NULLALGORITHM", + SYMBOL_CODE); + + if (ins->null_algorithm == NULL) { + snd_printk (KERN_ERR "dsp_spos: symbol NULLALGORITHM not found\n"); + return NULL; + } + } + + scb = _dsp_create_generic_scb(chip,scb_name,(u32 *)&pcm_reader_scb, + dest,ins->null_algorithm,parent_scb, + scb_child_type); + + return scb; +} + +#define GOF_PER_SEC 200 + +dsp_scb_descriptor_t * +cs46xx_dsp_create_src_task_scb(cs46xx_t * chip,char * scb_name, + int rate, + u16 src_buffer_addr, + u16 src_delay_buffer_addr,u32 dest, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type, + int pass_through) +{ + + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + dsp_scb_descriptor_t * scb; + unsigned int tmp1, tmp2; + unsigned int phiIncr; + unsigned int correctionPerGOF, correctionPerSec; + + snd_printdd( "dsp_spos: setting %s rate to %u\n",scb_name,rate); + + /* + * Compute the values used to drive the actual sample rate conversion. + * The following formulas are being computed, using inline assembly + * since we need to use 64 bit arithmetic to compute the values: + * + * phiIncr = floor((Fs,in * 2^26) / Fs,out) + * correctionPerGOF = floor((Fs,in * 2^26 - Fs,out * phiIncr) / + * GOF_PER_SEC) + * ulCorrectionPerSec = Fs,in * 2^26 - Fs,out * phiIncr -M + * GOF_PER_SEC * correctionPerGOF + * + * i.e. + * + * phiIncr:other = dividend:remainder((Fs,in * 2^26) / Fs,out) + * correctionPerGOF:correctionPerSec = + * dividend:remainder(ulOther / GOF_PER_SEC) + */ + tmp1 = rate << 16; + phiIncr = tmp1 / 48000; + tmp1 -= phiIncr * 48000; + tmp1 <<= 10; + phiIncr <<= 10; + tmp2 = tmp1 / 48000; + phiIncr += tmp2; + tmp1 -= tmp2 * 48000; + correctionPerGOF = tmp1 / GOF_PER_SEC; + tmp1 -= correctionPerGOF * GOF_PER_SEC; + correctionPerSec = tmp1; + + { + src_task_scb_t src_task_scb = { + 0x0028,0x00c8, + 0x5555,0x0000, + 0x0000,0x0000, + src_buffer_addr,1, + correctionPerGOF,correctionPerSec, + RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_32, + 0x0000,src_delay_buffer_addr, + 0x0, + 0x080,(src_delay_buffer_addr + (24 * 4)), + 0,0, /* next_scb, sub_list_ptr */ + 0,0, /* entry, this_spb */ + RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_8, + src_buffer_addr << 0x10, + phiIncr, + { + 0xffff - ins->dac_volume_right,0xffff - ins->dac_volume_left, + 0xffff - ins->dac_volume_right,0xffff - ins->dac_volume_left + } + }; + + if (ins->s16_up == NULL) { + ins->s16_up = cs46xx_dsp_lookup_symbol (chip,"S16_UPSRC", + SYMBOL_CODE); + + if (ins->s16_up == NULL) { + snd_printk (KERN_ERR "dsp_spos: symbol S16_UPSRC not found\n"); + return NULL; + } + } + + /* clear buffers */ + _dsp_clear_sample_buffer (chip,src_buffer_addr,8); + _dsp_clear_sample_buffer (chip,src_delay_buffer_addr,32); + + if (pass_through) { + /* wont work with any other rate than + the native DSP rate */ + snd_assert (rate = 48000); + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&src_task_scb, + dest,"DMAREADER",parent_scb, + scb_child_type); + } else { + scb = _dsp_create_generic_scb(chip,scb_name,(u32 *)&src_task_scb, + dest,ins->s16_up,parent_scb, + scb_child_type); + } + + + } + + return scb; +} + +#if 0 /* not used */ +dsp_scb_descriptor_t * +cs46xx_dsp_create_filter_scb(cs46xx_t * chip,char * scb_name, + u16 buffer_addr,u32 dest, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) { + dsp_scb_descriptor_t * scb; + + filter_scb_t filter_scb = { + .a0_right = 0x41a9, + .a0_left = 0x41a9, + .a1_right = 0xb8e4, + .a1_left = 0xb8e4, + .a2_right = 0x3e55, + .a2_left = 0x3e55, + + .filter_unused3 = 0x0000, + .filter_unused2 = 0x0000, + + .output_buf_ptr = buffer_addr, + .init = 0x000, + + .prev_sample_output1 = 0x00000000, + .prev_sample_output2 = 0x00000000, + + .prev_sample_input1 = 0x00000000, + .prev_sample_input2 = 0x00000000, + + .next_scb_ptr = 0x0000, + .sub_list_ptr = 0x0000, + + .entry_point = 0x0000, + .spb_ptr = 0x0000, + + .b0_right = 0x0e38, + .b0_left = 0x0e38, + .b1_right = 0x1c71, + .b1_left = 0x1c71, + .b2_right = 0x0e38, + .b2_left = 0x0e38, + }; + + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&filter_scb, + dest,"FILTERTASK",parent_scb, + scb_child_type); + + return scb; +} +#endif /* not used */ + +dsp_scb_descriptor_t * +cs46xx_dsp_create_mix_only_scb(cs46xx_t * chip,char * scb_name, + u16 mix_buffer_addr,u32 dest, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + dsp_scb_descriptor_t * scb; + + mix_only_scb_t master_mix_scb = { + /* 0 */ { 0, + /* 1 */ 0, + /* 2 */ mix_buffer_addr, + /* 3 */ 0 + /* */ }, + { + /* 4 */ 0, + /* 5 */ 0, + /* 6 */ 0, + /* 7 */ 0, + /* 8 */ 0x00000080 + }, + /* 9 */ 0,0, + /* A */ 0,0, + /* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_32, + /* C */ (mix_buffer_addr + (16 * 4)) << 0x10, + /* D */ 0, + { + /* E */ 0x8000,0x8000, + /* F */ 0x8000,0x8000 + } + }; + + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&master_mix_scb, + dest,"S16_MIX",parent_scb, + scb_child_type); + return scb; +} + + +dsp_scb_descriptor_t * +cs46xx_dsp_create_mix_to_ostream_scb(cs46xx_t * chip,char * scb_name, + u16 mix_buffer_addr,u16 writeback_spb,u32 dest, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + dsp_scb_descriptor_t * scb; + + mix2_ostream_scb_t mix2_ostream_scb = { + /* Basic (non scatter/gather) DMA requestor (4 ints) */ + { + DMA_RQ_C1_SOURCE_MOD64 + + DMA_RQ_C1_DEST_ON_HOST + + DMA_RQ_C1_DEST_MOD1024 + + DMA_RQ_C1_WRITEBACK_SRC_FLAG + + DMA_RQ_C1_WRITEBACK_DEST_FLAG + + 15, + + DMA_RQ_C2_AC_NONE + + DMA_RQ_C2_SIGNAL_DEST_PINGPONG + + + CS46XX_DSP_CAPTURE_CHANNEL, + DMA_RQ_SD_SP_SAMPLE_ADDR + + mix_buffer_addr, + 0x0 + }, + + { 0, 0, 0, 0, 0, }, + 0,0, + 0,writeback_spb, + + RSCONFIG_DMA_ENABLE + + (19 << RSCONFIG_MAX_DMA_SIZE_SHIFT) + + + ((dest >> 4) << RSCONFIG_STREAM_NUM_SHIFT) + + RSCONFIG_DMA_TO_HOST + + RSCONFIG_SAMPLE_16STEREO + + RSCONFIG_MODULO_64, + (mix_buffer_addr + (32 * 4)) << 0x10, + 1,0, + 0x0001,0x0080, + 0xFFFF,0 + }; + + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&mix2_ostream_scb, + + dest,"S16_MIX_TO_OSTREAM",parent_scb, + scb_child_type); + + return scb; +} + + +dsp_scb_descriptor_t * +cs46xx_dsp_create_vari_decimate_scb(cs46xx_t * chip,char * scb_name, + u16 vari_buffer_addr0, + u16 vari_buffer_addr1, + u32 dest, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + + dsp_scb_descriptor_t * scb; + + vari_decimate_scb_t vari_decimate_scb = { + 0x0028,0x00c8, + 0x5555,0x0000, + 0x0000,0x0000, + vari_buffer_addr0,vari_buffer_addr1, + + 0x0028,0x00c8, + RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_256, + + 0xFF800000, + 0, + 0x0080,vari_buffer_addr1 + (25 * 4), + + 0,0, + 0,0, + + RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_8, + vari_buffer_addr0 << 0x10, + 0x04000000, + { + 0x8000,0x8000, + 0xFFFF,0xFFFF + } + }; + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&vari_decimate_scb, + dest,"VARIDECIMATE",parent_scb, + scb_child_type); + + return scb; +} + + +static dsp_scb_descriptor_t * +cs46xx_dsp_create_pcm_serial_input_scb(cs46xx_t * chip,char * scb_name,u32 dest, + dsp_scb_descriptor_t * input_scb, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + + dsp_scb_descriptor_t * scb; + + + pcm_serial_input_scb_t pcm_serial_input_scb = { + { 0, + 0, + 0, + 0 + }, + { + 0, + 0, + 0, + 0, + 0 + }, + + 0,0, + 0,0, + + RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_16, + 0, + /* 0xD */ 0,input_scb->address, + { + /* 0xE */ 0x8000,0x8000, + /* 0xF */ 0x8000,0x8000 + } + }; + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&pcm_serial_input_scb, + dest,"PCMSERIALINPUTTASK",parent_scb, + scb_child_type); + return scb; +} + + +static dsp_scb_descriptor_t * +cs46xx_dsp_create_asynch_fg_tx_scb(cs46xx_t * chip,char * scb_name,u32 dest, + u16 hfg_scb_address, + u16 asynch_buffer_address, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + + dsp_scb_descriptor_t * scb; + + asynch_fg_tx_scb_t asynch_fg_tx_scb = { + 0xfc00,0x03ff, /* Prototype sample buffer size of 256 dwords */ + 0x0058,0x0028, /* Min Delta 7 dwords == 28 bytes */ + /* : Max delta 25 dwords == 100 bytes */ + 0,hfg_scb_address, /* Point to HFG task SCB */ + 0,0, /* Initialize current Delta and Consumer ptr adjustment count */ + 0, /* Initialize accumulated Phi to 0 */ + 0,0x2aab, /* Const 1/3 */ + + { + 0, /* Define the unused elements */ + 0, + 0 + }, + + 0,0, + 0,dest + AFGTxAccumPhi, + + RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_256, /* Stereo, 256 dword */ + (asynch_buffer_address) << 0x10, /* This should be automagically synchronized + to the producer pointer */ + + /* There is no correct initial value, it will depend upon the detected + rate etc */ + 0x18000000, /* Phi increment for approx 32k operation */ + 0x8000,0x8000, /* Volume controls are unused at this time */ + 0x8000,0x8000 + }; + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&asynch_fg_tx_scb, + dest,"ASYNCHFGTXCODE",parent_scb, + scb_child_type); + + return scb; +} + + +dsp_scb_descriptor_t * +cs46xx_dsp_create_asynch_fg_rx_scb(cs46xx_t * chip,char * scb_name,u32 dest, + u16 hfg_scb_address, + u16 asynch_buffer_address, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + dsp_scb_descriptor_t * scb; + + asynch_fg_rx_scb_t asynch_fg_rx_scb = { + 0xfe00,0x01ff, /* Prototype sample buffer size of 128 dwords */ + 0x0064,0x001c, /* Min Delta 7 dwords == 28 bytes */ + /* : Max delta 25 dwords == 100 bytes */ + 0,hfg_scb_address, /* Point to HFG task SCB */ + 0,0, /* Initialize current Delta and Consumer ptr adjustment count */ + { + 0, /* Define the unused elements */ + 0, + 0, + 0, + 0 + }, + + 0,0, + 0,dest, + + RSCONFIG_MODULO_128 | + RSCONFIG_SAMPLE_16STEREO, /* Stereo, 128 dword */ + ( (asynch_buffer_address + (16 * 4)) << 0x10), /* This should be automagically + synchrinized to the producer pointer */ + + /* There is no correct initial value, it will depend upon the detected + rate etc */ + 0x18000000, + + /* Set IEC958 input volume */ + 0xffff - ins->spdif_input_volume_right,0xffff - ins->spdif_input_volume_left, + 0xffff - ins->spdif_input_volume_right,0xffff - ins->spdif_input_volume_left, + }; + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&asynch_fg_rx_scb, + dest,"ASYNCHFGRXCODE",parent_scb, + scb_child_type); + + return scb; +} + + +#if 0 /* not used */ +dsp_scb_descriptor_t * +cs46xx_dsp_create_output_snoop_scb(cs46xx_t * chip,char * scb_name,u32 dest, + u16 snoop_buffer_address, + dsp_scb_descriptor_t * snoop_scb, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + + dsp_scb_descriptor_t * scb; + + output_snoop_scb_t output_snoop_scb = { + { 0, /* not used. Zero */ + 0, + 0, + 0, + }, + { + 0, /* not used. Zero */ + 0, + 0, + 0, + 0 + }, + + 0,0, + 0,0, + + RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64, + snoop_buffer_address << 0x10, + 0,0, + 0, + 0,snoop_scb->address + }; + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&output_snoop_scb, + dest,"OUTPUTSNOOP",parent_scb, + scb_child_type); + return scb; +} +#endif /* not used */ + + +dsp_scb_descriptor_t * +cs46xx_dsp_create_spio_write_scb(cs46xx_t * chip,char * scb_name,u32 dest, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + dsp_scb_descriptor_t * scb; + + spio_write_scb_t spio_write_scb = { + 0,0, /* SPIOWAddress2:SPIOWAddress1; */ + 0, /* SPIOWData1; */ + 0, /* SPIOWData2; */ + 0,0, /* SPIOWAddress4:SPIOWAddress3; */ + 0, /* SPIOWData3; */ + 0, /* SPIOWData4; */ + 0,0, /* SPIOWDataPtr:Unused1; */ + { 0,0 }, /* Unused2[2]; */ + + 0,0, /* SPIOWChildPtr:SPIOWSiblingPtr; */ + 0,0, /* SPIOWThisPtr:SPIOWEntryPoint; */ + + { + 0, + 0, + 0, + 0, + 0 /* Unused3[5]; */ + } + }; + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&spio_write_scb, + dest,"SPIOWRITE",parent_scb, + scb_child_type); + + return scb; +} + +dsp_scb_descriptor_t * cs46xx_dsp_create_magic_snoop_scb(cs46xx_t * chip,char * scb_name,u32 dest, + u16 snoop_buffer_address, + dsp_scb_descriptor_t * snoop_scb, + dsp_scb_descriptor_t * parent_scb, + int scb_child_type) +{ + dsp_scb_descriptor_t * scb; + + magic_snoop_task_t magic_snoop_scb = { + /* 0 */ 0, /* i0 */ + /* 1 */ 0, /* i1 */ + /* 2 */ snoop_buffer_address << 0x10, + /* 3 */ 0,snoop_scb->address, + /* 4 */ 0, /* i3 */ + /* 5 */ 0, /* i4 */ + /* 6 */ 0, /* i5 */ + /* 7 */ 0, /* i6 */ + /* 8 */ 0, /* i7 */ + /* 9 */ 0,0, /* next_scb, sub_list_ptr */ + /* A */ 0,0, /* entry_point, this_ptr */ + /* B */ RSCONFIG_SAMPLE_16STEREO + RSCONFIG_MODULO_64, + /* C */ snoop_buffer_address << 0x10, + /* D */ 0, + /* E */ { 0x8000,0x8000, + /* F */ 0xffff,0xffff + } + }; + + scb = cs46xx_dsp_create_generic_scb(chip,scb_name,(u32 *)&magic_snoop_scb, + dest,"MAGICSNOOPTASK",parent_scb, + scb_child_type); + + return scb; +} + +static dsp_scb_descriptor_t * find_next_free_scb (cs46xx_t * chip,dsp_scb_descriptor_t * from) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + dsp_scb_descriptor_t * scb = from; + + while (scb->next_scb_ptr != ins->the_null_scb) { + snd_assert (scb->next_scb_ptr != NULL, return NULL); + + scb = scb->next_scb_ptr; + } + + return scb; +} + +static u32 pcm_reader_buffer_addr[DSP_MAX_PCM_CHANNELS] = { + 0x0600, /* 1 */ + 0x1500, /* 2 */ + 0x1580, /* 3 */ + 0x1600, /* 4 */ + 0x1680, /* 5 */ + 0x1700, /* 6 */ + 0x1780, /* 7 */ + 0x1800, /* 8 */ + 0x1880, /* 9 */ + 0x1900, /* 10 */ + 0x1980, /* 11 */ + 0x1A00, /* 12 */ + 0x1A80, /* 13 */ + 0x1B00, /* 14 */ + 0x1B80, /* 15 */ + 0x1C00, /* 16 */ + 0x1C80, /* 17 */ + 0x1D00, /* 18 */ + 0x1D80, /* 19 */ + 0x1E00, /* 20 */ + 0x1E80, /* 21 */ + 0x1F00, /* 22 */ + 0x1F80, /* 23 */ + 0x2000, /* 24 */ + 0x2080, /* 25 */ + 0x2100, /* 26 */ + 0x2180, /* 27 */ + 0x2200, /* 28 */ + 0x2280, /* 29 */ + 0x2300, /* 30 */ + 0x2380, /* 31 */ + 0x2400, /* 32 */ +}; + +static u32 src_output_buffer_addr[DSP_MAX_SRC_NR] = { + 0x2B80, + 0x2BA0, + 0x2BC0, + 0x2BE0, + 0x2D00, + 0x2D20, + 0x2D40, + 0x2D60, + 0x2D80, + 0x2DA0, + 0x2DC0, + 0x2DE0, + 0x2E00, + 0x2E20 +}; + +static u32 src_delay_buffer_addr[DSP_MAX_SRC_NR] = { + 0x2480, + 0x2500, + 0x2580, + 0x2600, + 0x2680, + 0x2700, + 0x2780, + 0x2800, + 0x2880, + 0x2900, + 0x2980, + 0x2A00, + 0x2A80, + 0x2B00 +}; + +pcm_channel_descriptor_t * cs46xx_dsp_create_pcm_channel (cs46xx_t * chip, + u32 sample_rate, void * private_data, + u32 hw_dma_addr, + int pcm_channel_id) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + dsp_scb_descriptor_t * src_scb = NULL,* pcm_scb, * mixer_scb = NULL; + dsp_scb_descriptor_t * src_parent_scb = NULL; + + /* dsp_scb_descriptor_t * pcm_parent_scb; */ + char scb_name[DSP_MAX_SCB_NAME]; + int i,pcm_index = -1, insert_point, src_index = -1,pass_through = 0; + unsigned long flags; + + switch (pcm_channel_id) { + case DSP_PCM_MAIN_CHANNEL: + mixer_scb = ins->master_mix_scb; + break; + case DSP_PCM_REAR_CHANNEL: + mixer_scb = ins->rear_mix_scb; + break; + case DSP_PCM_CENTER_LFE_CHANNEL: + mixer_scb = ins->center_lfe_mix_scb; + break; + case DSP_PCM_S71_CHANNEL: + /* TODO */ + snd_assert(0); + break; + case DSP_IEC958_CHANNEL: + snd_assert (ins->asynch_tx_scb != NULL, return NULL); + mixer_scb = ins->asynch_tx_scb; + + /* if sample rate is set to 48khz we pass + the Sample Rate Converted (which could + alter the raw data stream ...) */ + if (sample_rate == 48000) { + snd_printdd ("IEC958 pass through\n"); + /* Hack to bypass creating a new SRC */ + pass_through = 1; + } + break; + default: + snd_assert (0); + return NULL; + } + /* default sample rate is 44100 */ + if (!sample_rate) sample_rate = 44100; + + /* search for a already created SRC SCB with the same sample rate */ + for (i = 0; i < DSP_MAX_PCM_CHANNELS && + (pcm_index == -1 || src_scb == NULL); ++i) { + + /* virtual channel reserved + for capture */ + if (i == CS46XX_DSP_CAPTURE_CHANNEL) continue; + + if (ins->pcm_channels[i].active) { + if (!src_scb && + ins->pcm_channels[i].sample_rate == sample_rate && + ins->pcm_channels[i].mixer_scb == mixer_scb) { + src_scb = ins->pcm_channels[i].src_scb; + ins->pcm_channels[i].src_scb->ref_count ++; + src_index = ins->pcm_channels[i].src_slot; + } + } else if (pcm_index == -1) { + pcm_index = i; + } + } + + if (pcm_index == -1) { + snd_printk (KERN_ERR "dsp_spos: no free PCM channel\n"); + return NULL; + } + + if (src_scb == NULL) { + if (ins->nsrc_scb >= DSP_MAX_SRC_NR) { + snd_printk(KERN_ERR "dsp_spos: to many SRC instances\n!"); + return NULL; + } + + /* find a free slot */ + for (i = 0; i < DSP_MAX_SRC_NR; ++i) { + if (ins->src_scb_slots[i] == 0) { + src_index = i; + ins->src_scb_slots[i] = 1; + break; + } + } + snd_assert (src_index != -1,return NULL); + + /* we need to create a new SRC SCB */ + if (mixer_scb->sub_list_ptr == ins->the_null_scb) { + src_parent_scb = mixer_scb; + insert_point = SCB_ON_PARENT_SUBLIST_SCB; + } else { + src_parent_scb = find_next_free_scb(chip,mixer_scb->sub_list_ptr); + insert_point = SCB_ON_PARENT_NEXT_SCB; + } + + snprintf (scb_name,DSP_MAX_SCB_NAME,"SrcTask_SCB%d",src_index); + + snd_printdd( "dsp_spos: creating SRC \"%s\"\n",scb_name); + src_scb = cs46xx_dsp_create_src_task_scb(chip,scb_name, + sample_rate, + src_output_buffer_addr[src_index], + src_delay_buffer_addr[src_index], + /* 0x400 - 0x600 source SCBs */ + 0x400 + (src_index * 0x10) , + src_parent_scb, + insert_point, + pass_through); + + if (!src_scb) { + snd_printk (KERN_ERR "dsp_spos: failed to create SRCtaskSCB\n"); + return NULL; + } + + /* cs46xx_dsp_set_src_sample_rate(chip,src_scb,sample_rate); */ + + ins->nsrc_scb ++; + } + + + snprintf (scb_name,DSP_MAX_SCB_NAME,"PCMReader_SCB%d",pcm_index); + + snd_printdd( "dsp_spos: creating PCM \"%s\" (%d)\n",scb_name, + pcm_channel_id); + + pcm_scb = cs46xx_dsp_create_pcm_reader_scb(chip,scb_name, + pcm_reader_buffer_addr[pcm_index], + /* 0x200 - 400 PCMreader SCBs */ + (pcm_index * 0x10) + 0x200, + pcm_index, /* virtual channel 0-31 */ + hw_dma_addr, /* pcm hw addr */ + NULL, /* parent SCB ptr */ + 0 /* insert point */ + ); + + if (!pcm_scb) { + snd_printk (KERN_ERR "dsp_spos: failed to create PCMreaderSCB\n"); + return NULL; + } + + spin_lock_irqsave(&chip->reg_lock, flags); + ins->pcm_channels[pcm_index].sample_rate = sample_rate; + ins->pcm_channels[pcm_index].pcm_reader_scb = pcm_scb; + ins->pcm_channels[pcm_index].src_scb = src_scb; + ins->pcm_channels[pcm_index].unlinked = 1; + ins->pcm_channels[pcm_index].private_data = private_data; + ins->pcm_channels[pcm_index].src_slot = src_index; + ins->pcm_channels[pcm_index].active = 1; + ins->pcm_channels[pcm_index].pcm_slot = pcm_index; + ins->pcm_channels[pcm_index].mixer_scb = mixer_scb; + ins->npcm_channels ++; + spin_unlock_irqrestore(&chip->reg_lock, flags); + + return (ins->pcm_channels + pcm_index); +} + +int cs46xx_dsp_pcm_channel_set_period (cs46xx_t * chip, + pcm_channel_descriptor_t * pcm_channel, + int period_size) +{ + u32 temp = snd_cs46xx_peek (chip,pcm_channel->pcm_reader_scb->address << 2); + temp &= ~DMA_RQ_C1_SOURCE_SIZE_MASK; + + switch (period_size) { + case 2048: + temp |= DMA_RQ_C1_SOURCE_MOD1024; + break; + case 1024: + temp |= DMA_RQ_C1_SOURCE_MOD512; + break; + case 512: + temp |= DMA_RQ_C1_SOURCE_MOD256; + break; + case 256: + temp |= DMA_RQ_C1_SOURCE_MOD128; + break; + case 128: + temp |= DMA_RQ_C1_SOURCE_MOD64; + break; + case 64: + temp |= DMA_RQ_C1_SOURCE_MOD32; + break; + case 32: + temp |= DMA_RQ_C1_SOURCE_MOD16; + break; + default: + snd_printdd ("period size (%d) not supported by HW\n", period_size); + return -EINVAL; + } + + snd_cs46xx_poke (chip,pcm_channel->pcm_reader_scb->address << 2,temp); + + return 0; +} + +int cs46xx_dsp_pcm_ostream_set_period (cs46xx_t * chip, + int period_size) +{ + u32 temp = snd_cs46xx_peek (chip,WRITEBACK_SCB_ADDR << 2); + temp &= ~DMA_RQ_C1_DEST_SIZE_MASK; + + switch (period_size) { + case 2048: + temp |= DMA_RQ_C1_DEST_MOD1024; + break; + case 1024: + temp |= DMA_RQ_C1_DEST_MOD512; + break; + case 512: + temp |= DMA_RQ_C1_DEST_MOD256; + break; + case 256: + temp |= DMA_RQ_C1_DEST_MOD128; + break; + case 128: + temp |= DMA_RQ_C1_DEST_MOD64; + break; + case 64: + temp |= DMA_RQ_C1_DEST_MOD32; + break; + case 32: + temp |= DMA_RQ_C1_DEST_MOD16; + break; + default: + snd_printdd ("period size (%d) not supported by HW\n", period_size); + return -EINVAL; + } + + snd_cs46xx_poke (chip,WRITEBACK_SCB_ADDR << 2,temp); + + return 0; +} + +void cs46xx_dsp_destroy_pcm_channel (cs46xx_t * chip,pcm_channel_descriptor_t * pcm_channel) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + unsigned long flags; + + snd_assert(pcm_channel->active, return ); + snd_assert(ins->npcm_channels > 0, return ); + snd_assert(pcm_channel->src_scb->ref_count > 0, return ); + + spin_lock_irqsave(&chip->reg_lock, flags); + pcm_channel->unlinked = 1; + pcm_channel->active = 0; + pcm_channel->private_data = NULL; + pcm_channel->src_scb->ref_count --; + ins->npcm_channels --; + spin_unlock_irqrestore(&chip->reg_lock, flags); + + cs46xx_dsp_remove_scb(chip,pcm_channel->pcm_reader_scb); + + if (!pcm_channel->src_scb->ref_count) { + cs46xx_dsp_remove_scb(chip,pcm_channel->src_scb); + + snd_assert (pcm_channel->src_slot >= 0 && pcm_channel->src_slot <= DSP_MAX_SRC_NR, + return ); + + ins->src_scb_slots[pcm_channel->src_slot] = 0; + ins->nsrc_scb --; + } +} + +int cs46xx_dsp_pcm_unlink (cs46xx_t * chip,pcm_channel_descriptor_t * pcm_channel) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + unsigned long flags; + + snd_assert(pcm_channel->active,return -EIO); + snd_assert(ins->npcm_channels > 0,return -EIO); + + spin_lock(&pcm_channel->src_scb->lock); + + if (pcm_channel->unlinked) { + spin_unlock(&pcm_channel->src_scb->lock); + return -EIO; + } + + spin_lock_irqsave(&chip->reg_lock, flags); + pcm_channel->unlinked = 1; + spin_unlock_irqrestore(&chip->reg_lock, flags); + + _dsp_unlink_scb (chip,pcm_channel->pcm_reader_scb); + + spin_unlock(&pcm_channel->src_scb->lock); + return 0; +} + +int cs46xx_dsp_pcm_link (cs46xx_t * chip,pcm_channel_descriptor_t * pcm_channel) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + dsp_scb_descriptor_t * parent_scb; + dsp_scb_descriptor_t * src_scb = pcm_channel->src_scb; + unsigned long flags; + + spin_lock(&pcm_channel->src_scb->lock); + + if (pcm_channel->unlinked == 0) { + spin_unlock(&pcm_channel->src_scb->lock); + return -EIO; + } + + parent_scb = src_scb; + + if (src_scb->sub_list_ptr != ins->the_null_scb) { + src_scb->sub_list_ptr->parent_scb_ptr = pcm_channel->pcm_reader_scb; + pcm_channel->pcm_reader_scb->next_scb_ptr = src_scb->sub_list_ptr; + } + + src_scb->sub_list_ptr = pcm_channel->pcm_reader_scb; + + snd_assert (pcm_channel->pcm_reader_scb->parent_scb_ptr == NULL, ; ); + pcm_channel->pcm_reader_scb->parent_scb_ptr = parent_scb; + + spin_lock_irqsave(&chip->reg_lock, flags); + + /* update SCB entry in DSP RAM */ + cs46xx_dsp_spos_update_scb(chip,pcm_channel->pcm_reader_scb); + + /* update parent SCB entry */ + cs46xx_dsp_spos_update_scb(chip,parent_scb); + + pcm_channel->unlinked = 0; + spin_unlock_irqrestore(&chip->reg_lock, flags); + + spin_unlock(&pcm_channel->src_scb->lock); + return 0; +} + +dsp_scb_descriptor_t * cs46xx_add_record_source (cs46xx_t *chip,dsp_scb_descriptor_t * source, + u16 addr,char * scb_name) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + dsp_scb_descriptor_t * parent; + dsp_scb_descriptor_t * pcm_input; + int insert_point; + + snd_assert (ins->record_mixer_scb != NULL,return NULL); + + if (ins->record_mixer_scb->sub_list_ptr != ins->the_null_scb) { + parent = find_next_free_scb (chip,ins->record_mixer_scb->sub_list_ptr); + insert_point = SCB_ON_PARENT_NEXT_SCB; + } else { + parent = ins->record_mixer_scb; + insert_point = SCB_ON_PARENT_SUBLIST_SCB; + } + + pcm_input = cs46xx_dsp_create_pcm_serial_input_scb(chip,scb_name,addr, + source, parent, + insert_point); + + return pcm_input; +} + +int cs46xx_src_unlink(cs46xx_t *chip,dsp_scb_descriptor_t * src) +{ + snd_assert (src->parent_scb_ptr != NULL, return -EINVAL ); + + /* mute SCB */ + cs46xx_dsp_scb_set_volume (chip,src,0,0); + + _dsp_unlink_scb (chip,src); + + return 0; +} + +int cs46xx_src_link(cs46xx_t *chip,dsp_scb_descriptor_t * src) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + dsp_scb_descriptor_t * parent_scb; + + snd_assert (src->parent_scb_ptr == NULL, return -EINVAL ); + snd_assert(ins->master_mix_scb !=NULL, return -EINVAL ); + + if (ins->master_mix_scb->sub_list_ptr != ins->the_null_scb) { + parent_scb = find_next_free_scb (chip,ins->master_mix_scb->sub_list_ptr); + parent_scb->next_scb_ptr = src; + } else { + parent_scb = ins->master_mix_scb; + parent_scb->sub_list_ptr = src; + } + + src->parent_scb_ptr = parent_scb; + + /* update entry in DSP RAM */ + cs46xx_dsp_spos_update_scb(chip,parent_scb); + + return 0; +} + +int cs46xx_dsp_enable_spdif_out (cs46xx_t *chip) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + + if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) ) { + cs46xx_dsp_enable_spdif_hw (chip); + } + + /* dont touch anything if SPDIF is open */ + if ( ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN) { + /* when cs46xx_iec958_post_close(...) is called it + will call this function if necessary depending on + this bit */ + ins->spdif_status_out |= DSP_SPDIF_STATUS_OUTPUT_ENABLED; + + return -EBUSY; + } + + snd_assert (ins->asynch_tx_scb == NULL, return -EINVAL); + snd_assert (ins->master_mix_scb->next_scb_ptr == ins->the_null_scb, return -EINVAL); + + /* reset output snooper sample buffer pointer */ + snd_cs46xx_poke (chip, (ins->ref_snoop_scb->address + 2) << 2, + (OUTPUT_SNOOP_BUFFER + 0x10) << 0x10 ); + + /* The asynch. transfer task */ + ins->asynch_tx_scb = cs46xx_dsp_create_asynch_fg_tx_scb(chip,"AsynchFGTxSCB",ASYNCTX_SCB_ADDR, + SPDIFO_SCB_INST, + SPDIFO_IP_OUTPUT_BUFFER1, + ins->master_mix_scb, + SCB_ON_PARENT_NEXT_SCB); + if (!ins->asynch_tx_scb) return -ENOMEM; + + ins->spdif_pcm_input_scb = cs46xx_dsp_create_pcm_serial_input_scb(chip,"PCMSerialInput_II", + PCMSERIALINII_SCB_ADDR, + ins->ref_snoop_scb, + ins->asynch_tx_scb, + SCB_ON_PARENT_SUBLIST_SCB); + + + if (!ins->spdif_pcm_input_scb) return -ENOMEM; + + /* monitor state */ + ins->spdif_status_out |= DSP_SPDIF_STATUS_OUTPUT_ENABLED; + + return 0; +} + +int cs46xx_dsp_disable_spdif_out (cs46xx_t *chip) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + + /* dont touch anything if SPDIF is open */ + if ( ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN) { + ins->spdif_status_out &= ~DSP_SPDIF_STATUS_OUTPUT_ENABLED; + return -EBUSY; + } + + /* check integrety */ + snd_assert (ins->asynch_tx_scb != NULL, return -EINVAL); + snd_assert (ins->spdif_pcm_input_scb != NULL,return -EINVAL); + snd_assert (ins->master_mix_scb->next_scb_ptr == ins->asynch_tx_scb, return -EINVAL); + snd_assert (ins->asynch_tx_scb->parent_scb_ptr == ins->master_mix_scb, return -EINVAL); + + cs46xx_dsp_remove_scb (chip,ins->spdif_pcm_input_scb); + cs46xx_dsp_remove_scb (chip,ins->asynch_tx_scb); + + ins->spdif_pcm_input_scb = NULL; + ins->asynch_tx_scb = NULL; + + /* clear buffer to prevent any undesired noise */ + _dsp_clear_sample_buffer(chip,SPDIFO_IP_OUTPUT_BUFFER1,256); + + /* monitor state */ + ins->spdif_status_out &= ~DSP_SPDIF_STATUS_OUTPUT_ENABLED; + + + return 0; +} + +int cs46xx_iec958_pre_open (cs46xx_t *chip) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + + if ( ins->spdif_status_out & DSP_SPDIF_STATUS_OUTPUT_ENABLED ) { + /* remove AsynchFGTxSCB and and PCMSerialInput_II */ + cs46xx_dsp_disable_spdif_out (chip); + + /* save state */ + ins->spdif_status_out |= DSP_SPDIF_STATUS_OUTPUT_ENABLED; + } + + /* if not enabled already */ + if ( !(ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) ) { + cs46xx_dsp_enable_spdif_hw (chip); + } + + /* Create the asynch. transfer task for playback */ + ins->asynch_tx_scb = cs46xx_dsp_create_asynch_fg_tx_scb(chip,"AsynchFGTxSCB",ASYNCTX_SCB_ADDR, + SPDIFO_SCB_INST, + SPDIFO_IP_OUTPUT_BUFFER1, + ins->master_mix_scb, + SCB_ON_PARENT_NEXT_SCB); + + + /* set spdif channel status value for streaming */ + cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_stream); + + ins->spdif_status_out |= DSP_SPDIF_STATUS_PLAYBACK_OPEN; + + return 0; +} + +int cs46xx_iec958_post_close (cs46xx_t *chip) +{ + dsp_spos_instance_t * ins = chip->dsp_spos_instance; + + snd_assert (ins->asynch_tx_scb != NULL, return -EINVAL); + + ins->spdif_status_out &= ~DSP_SPDIF_STATUS_PLAYBACK_OPEN; + + /* restore settings */ + cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV, ins->spdif_csuv_default); + + /* deallocate stuff */ + if (ins->spdif_pcm_input_scb != NULL) { + cs46xx_dsp_remove_scb (chip,ins->spdif_pcm_input_scb); + ins->spdif_pcm_input_scb = NULL; + } + + cs46xx_dsp_remove_scb (chip,ins->asynch_tx_scb); + ins->asynch_tx_scb = NULL; + + /* clear buffer to prevent any undesired noise */ + _dsp_clear_sample_buffer(chip,SPDIFO_IP_OUTPUT_BUFFER1,256); + + /* restore state */ + if ( ins->spdif_status_out & DSP_SPDIF_STATUS_OUTPUT_ENABLED ) { + cs46xx_dsp_enable_spdif_out (chip); + } + + return 0; +} |