123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653 |
- /*
- * Driver for Digigram miXart soundcards
- *
- * DSP firmware management
- *
- * Copyright (c) 2003 by Digigram <alsa@digigram.com>
- *
- * 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
- */
- #include <linux/interrupt.h>
- #include <linux/pci.h>
- #include <linux/firmware.h>
- #include <linux/vmalloc.h>
- #include <linux/slab.h>
- #include <asm/io.h>
- #include <sound/core.h>
- #include "mixart.h"
- #include "mixart_mixer.h"
- #include "mixart_core.h"
- #include "mixart_hwdep.h"
- /**
- * wait for a value on a peudo register, exit with a timeout
- *
- * @param mgr pointer to miXart manager structure
- * @param offset unsigned pseudo_register base + offset of value
- * @param value value
- * @param timeout timeout in centisenconds
- */
- static int mixart_wait_nice_for_register_value(struct mixart_mgr *mgr,
- u32 offset, int is_egal,
- u32 value, unsigned long timeout)
- {
- unsigned long end_time = jiffies + (timeout * HZ / 100);
- u32 read;
- do { /* we may take too long time in this loop.
- * so give controls back to kernel if needed.
- */
- cond_resched();
- read = readl_be( MIXART_MEM( mgr, offset ));
- if(is_egal) {
- if(read == value) return 0;
- }
- else { /* wait for different value */
- if(read != value) return 0;
- }
- } while ( time_after_eq(end_time, jiffies) );
- return -EBUSY;
- }
- /*
- structures needed to upload elf code packets
- */
- struct snd_mixart_elf32_ehdr {
- u8 e_ident[16];
- u16 e_type;
- u16 e_machine;
- u32 e_version;
- u32 e_entry;
- u32 e_phoff;
- u32 e_shoff;
- u32 e_flags;
- u16 e_ehsize;
- u16 e_phentsize;
- u16 e_phnum;
- u16 e_shentsize;
- u16 e_shnum;
- u16 e_shstrndx;
- };
- struct snd_mixart_elf32_phdr {
- u32 p_type;
- u32 p_offset;
- u32 p_vaddr;
- u32 p_paddr;
- u32 p_filesz;
- u32 p_memsz;
- u32 p_flags;
- u32 p_align;
- };
- static int mixart_load_elf(struct mixart_mgr *mgr, const struct firmware *dsp )
- {
- char elf32_magic_number[4] = {0x7f,'E','L','F'};
- struct snd_mixart_elf32_ehdr *elf_header;
- int i;
- elf_header = (struct snd_mixart_elf32_ehdr *)dsp->data;
- for( i=0; i<4; i++ )
- if ( elf32_magic_number[i] != elf_header->e_ident[i] )
- return -EINVAL;
- if( elf_header->e_phoff != 0 ) {
- struct snd_mixart_elf32_phdr elf_programheader;
- for( i=0; i < be16_to_cpu(elf_header->e_phnum); i++ ) {
- u32 pos = be32_to_cpu(elf_header->e_phoff) + (u32)(i * be16_to_cpu(elf_header->e_phentsize));
- memcpy( &elf_programheader, dsp->data + pos, sizeof(elf_programheader) );
- if(elf_programheader.p_type != 0) {
- if( elf_programheader.p_filesz != 0 ) {
- memcpy_toio( MIXART_MEM( mgr, be32_to_cpu(elf_programheader.p_vaddr)),
- dsp->data + be32_to_cpu( elf_programheader.p_offset ),
- be32_to_cpu( elf_programheader.p_filesz ));
- }
- }
- }
- }
- return 0;
- }
- /*
- * get basic information and init miXart
- */
- /* audio IDs for request to the board */
- #define MIXART_FIRST_ANA_AUDIO_ID 0
- #define MIXART_FIRST_DIG_AUDIO_ID 8
- static int mixart_enum_connectors(struct mixart_mgr *mgr)
- {
- u32 k;
- int err;
- struct mixart_msg request;
- struct mixart_enum_connector_resp *connector;
- struct mixart_audio_info_req *audio_info_req;
- struct mixart_audio_info_resp *audio_info;
- connector = kmalloc(sizeof(*connector), GFP_KERNEL);
- audio_info_req = kmalloc(sizeof(*audio_info_req), GFP_KERNEL);
- audio_info = kmalloc(sizeof(*audio_info), GFP_KERNEL);
- if (! connector || ! audio_info_req || ! audio_info) {
- err = -ENOMEM;
- goto __error;
- }
- audio_info_req->line_max_level = MIXART_FLOAT_P_22_0_TO_HEX;
- audio_info_req->micro_max_level = MIXART_FLOAT_M_20_0_TO_HEX;
- audio_info_req->cd_max_level = MIXART_FLOAT____0_0_TO_HEX;
- request.message_id = MSG_SYSTEM_ENUM_PLAY_CONNECTOR;
- request.uid = (struct mixart_uid){0,0}; /* board num = 0 */
- request.data = NULL;
- request.size = 0;
- err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector);
- if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) {
- snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_PLAY_CONNECTOR\n");
- err = -EINVAL;
- goto __error;
- }
- for(k=0; k < connector->uid_count; k++) {
- struct mixart_pipe *pipe;
- if(k < MIXART_FIRST_DIG_AUDIO_ID) {
- pipe = &mgr->chip[k/2]->pipe_out_ana;
- } else {
- pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_out_dig;
- }
- if(k & 1) {
- pipe->uid_right_connector = connector->uid[k]; /* odd */
- } else {
- pipe->uid_left_connector = connector->uid[k]; /* even */
- }
- /* snd_printk(KERN_DEBUG "playback connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */
- /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */
- request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO;
- request.uid = connector->uid[k];
- request.data = audio_info_req;
- request.size = sizeof(*audio_info_req);
- err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info);
- if( err < 0 ) {
- snd_printk(KERN_ERR "error MSG_CONNECTOR_GET_AUDIO_INFO\n");
- goto __error;
- }
- /*snd_printk(KERN_DEBUG "play analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/
- }
- request.message_id = MSG_SYSTEM_ENUM_RECORD_CONNECTOR;
- request.uid = (struct mixart_uid){0,0}; /* board num = 0 */
- request.data = NULL;
- request.size = 0;
- err = snd_mixart_send_msg(mgr, &request, sizeof(*connector), connector);
- if((err < 0) || (connector->error_code) || (connector->uid_count > MIXART_MAX_PHYS_CONNECTORS)) {
- snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_RECORD_CONNECTOR\n");
- err = -EINVAL;
- goto __error;
- }
- for(k=0; k < connector->uid_count; k++) {
- struct mixart_pipe *pipe;
- if(k < MIXART_FIRST_DIG_AUDIO_ID) {
- pipe = &mgr->chip[k/2]->pipe_in_ana;
- } else {
- pipe = &mgr->chip[(k-MIXART_FIRST_DIG_AUDIO_ID)/2]->pipe_in_dig;
- }
- if(k & 1) {
- pipe->uid_right_connector = connector->uid[k]; /* odd */
- } else {
- pipe->uid_left_connector = connector->uid[k]; /* even */
- }
- /* snd_printk(KERN_DEBUG "capture connector[%d].object_id = %x\n", k, connector->uid[k].object_id); */
- /* TODO: really need send_msg MSG_CONNECTOR_GET_AUDIO_INFO for each connector ? perhaps for analog level caps ? */
- request.message_id = MSG_CONNECTOR_GET_AUDIO_INFO;
- request.uid = connector->uid[k];
- request.data = audio_info_req;
- request.size = sizeof(*audio_info_req);
- err = snd_mixart_send_msg(mgr, &request, sizeof(*audio_info), audio_info);
- if( err < 0 ) {
- snd_printk(KERN_ERR "error MSG_CONNECTOR_GET_AUDIO_INFO\n");
- goto __error;
- }
- /*snd_printk(KERN_DEBUG "rec analog_info.analog_level_present = %x\n", audio_info->info.analog_info.analog_level_present);*/
- }
- err = 0;
- __error:
- kfree(connector);
- kfree(audio_info_req);
- kfree(audio_info);
- return err;
- }
- static int mixart_enum_physio(struct mixart_mgr *mgr)
- {
- u32 k;
- int err;
- struct mixart_msg request;
- struct mixart_uid get_console_mgr;
- struct mixart_return_uid console_mgr;
- struct mixart_uid_enumeration phys_io;
- /* get the uid for the console manager */
- get_console_mgr.object_id = 0;
- get_console_mgr.desc = MSG_CONSOLE_MANAGER | 0; /* cardindex = 0 */
- request.message_id = MSG_CONSOLE_GET_CLOCK_UID;
- request.uid = get_console_mgr;
- request.data = &get_console_mgr;
- request.size = sizeof(get_console_mgr);
- err = snd_mixart_send_msg(mgr, &request, sizeof(console_mgr), &console_mgr);
- if( (err < 0) || (console_mgr.error_code != 0) ) {
- snd_printk(KERN_DEBUG "error MSG_CONSOLE_GET_CLOCK_UID : err=%x\n", console_mgr.error_code);
- return -EINVAL;
- }
- /* used later for clock issues ! */
- mgr->uid_console_manager = console_mgr.uid;
- request.message_id = MSG_SYSTEM_ENUM_PHYSICAL_IO;
- request.uid = (struct mixart_uid){0,0};
- request.data = &console_mgr.uid;
- request.size = sizeof(console_mgr.uid);
- err = snd_mixart_send_msg(mgr, &request, sizeof(phys_io), &phys_io);
- if( (err < 0) || ( phys_io.error_code != 0 ) ) {
- snd_printk(KERN_ERR "error MSG_SYSTEM_ENUM_PHYSICAL_IO err(%x) error_code(%x)\n", err, phys_io.error_code );
- return -EINVAL;
- }
- /* min 2 phys io per card (analog in + analog out) */
- if (phys_io.nb_uid < MIXART_MAX_CARDS * 2)
- return -EINVAL;
- for(k=0; k<mgr->num_cards; k++) {
- mgr->chip[k]->uid_in_analog_physio = phys_io.uid[k];
- mgr->chip[k]->uid_out_analog_physio = phys_io.uid[phys_io.nb_uid/2 + k];
- }
- return 0;
- }
- static int mixart_first_init(struct mixart_mgr *mgr)
- {
- u32 k;
- int err;
- struct mixart_msg request;
- if((err = mixart_enum_connectors(mgr)) < 0) return err;
- if((err = mixart_enum_physio(mgr)) < 0) return err;
- /* send a synchro command to card (necessary to do this before first MSG_STREAM_START_STREAM_GRP_PACKET) */
- /* though why not here */
- request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
- request.uid = (struct mixart_uid){0,0};
- request.data = NULL;
- request.size = 0;
- /* this command has no data. response is a 32 bit status */
- err = snd_mixart_send_msg(mgr, &request, sizeof(k), &k);
- if( (err < 0) || (k != 0) ) {
- snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD\n");
- return err == 0 ? -EINVAL : err;
- }
- return 0;
- }
- /* firmware base addresses (when hard coded) */
- #define MIXART_MOTHERBOARD_XLX_BASE_ADDRESS 0x00600000
- static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmware *dsp)
- {
- int err, card_index;
- u32 status_xilinx, status_elf, status_daught;
- u32 val;
- /* read motherboard xilinx status */
- status_xilinx = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
- /* read elf status */
- status_elf = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
- /* read daughterboard xilinx status */
- status_daught = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
- /* motherboard xilinx status 5 will say that the board is performing a reset */
- if (status_xilinx == 5) {
- snd_printk(KERN_ERR "miXart is resetting !\n");
- return -EAGAIN; /* try again later */
- }
- switch (index) {
- case MIXART_MOTHERBOARD_XLX_INDEX:
- /* xilinx already loaded ? */
- if (status_xilinx == 4) {
- snd_printk(KERN_DEBUG "xilinx is already loaded !\n");
- return 0;
- }
- /* the status should be 0 == "idle" */
- if (status_xilinx != 0) {
- snd_printk(KERN_ERR "xilinx load error ! status = %d\n",
- status_xilinx);
- return -EIO; /* modprob -r may help ? */
- }
- /* check xilinx validity */
- if (((u32*)(dsp->data))[0] == 0xffffffff)
- return -EINVAL;
- if (dsp->size % 4)
- return -EINVAL;
- /* set xilinx status to copying */
- writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
- /* setup xilinx base address */
- writel_be( MIXART_MOTHERBOARD_XLX_BASE_ADDRESS, MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_BASE_ADDR_OFFSET ));
- /* setup code size for xilinx file */
- writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET ));
- /* copy xilinx code */
- memcpy_toio( MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS), dsp->data, dsp->size);
-
- /* set xilinx status to copy finished */
- writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
- /* return, because no further processing needed */
- return 0;
- case MIXART_MOTHERBOARD_ELF_INDEX:
- if (status_elf == 4) {
- snd_printk(KERN_DEBUG "elf file already loaded !\n");
- return 0;
- }
- /* the status should be 0 == "idle" */
- if (status_elf != 0) {
- snd_printk(KERN_ERR "elf load error ! status = %d\n",
- status_elf);
- return -EIO; /* modprob -r may help ? */
- }
- /* wait for xilinx status == 4 */
- err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET, 1, 4, 500); /* 5sec */
- if (err < 0) {
- snd_printk(KERN_ERR "xilinx was not loaded or "
- "could not be started\n");
- return err;
- }
- /* init some data on the card */
- writel_be( 0, MIXART_MEM( mgr, MIXART_PSEUDOREG_BOARDNUMBER ) ); /* set miXart boardnumber to 0 */
- writel_be( 0, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* reset pointer to flow table on miXart */
- /* set elf status to copying */
- writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
- /* process the copying of the elf packets */
- err = mixart_load_elf( mgr, dsp );
- if (err < 0) return err;
- /* set elf status to copy finished */
- writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
- /* wait for elf status == 4 */
- err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET, 1, 4, 300); /* 3sec */
- if (err < 0) {
- snd_printk(KERN_ERR "elf could not be started\n");
- return err;
- }
- /* miXart waits at this point on the pointer to the flow table */
- writel_be( (u32)mgr->flowinfo.addr, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); /* give pointer of flow table to miXart */
- return 0; /* return, another xilinx file has to be loaded before */
- case MIXART_AESEBUBOARD_XLX_INDEX:
- default:
- /* elf and xilinx should be loaded */
- if (status_elf != 4 || status_xilinx != 4) {
- printk(KERN_ERR "xilinx or elf not "
- "successfully loaded\n");
- return -EIO; /* modprob -r may help ? */
- }
- /* wait for daughter detection != 0 */
- err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DBRD_PRESENCE_OFFSET, 0, 0, 30); /* 300msec */
- if (err < 0) {
- snd_printk(KERN_ERR "error starting elf file\n");
- return err;
- }
- /* the board type can now be retrieved */
- mgr->board_type = (DAUGHTER_TYPE_MASK & readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DBRD_TYPE_OFFSET)));
- if (mgr->board_type == MIXART_DAUGHTER_TYPE_NONE)
- break; /* no daughter board; the file does not have to be loaded, continue after the switch */
- /* only if aesebu daughter board presence (elf code must run) */
- if (mgr->board_type != MIXART_DAUGHTER_TYPE_AES )
- return -EINVAL;
- /* daughter should be idle */
- if (status_daught != 0) {
- printk(KERN_ERR "daughter load error ! status = %d\n",
- status_daught);
- return -EIO; /* modprob -r may help ? */
- }
-
- /* check daughterboard xilinx validity */
- if (((u32*)(dsp->data))[0] == 0xffffffff)
- return -EINVAL;
- if (dsp->size % 4)
- return -EINVAL;
- /* inform mixart about the size of the file */
- writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET ));
- /* set daughterboard status to 1 */
- writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
- /* wait for status == 2 */
- err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 2, 30); /* 300msec */
- if (err < 0) {
- snd_printk(KERN_ERR "daughter board load error\n");
- return err;
- }
- /* get the address where to write the file */
- val = readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_BASE_ADDR_OFFSET ));
- if (!val)
- return -EINVAL;
- /* copy daughterboard xilinx code */
- memcpy_toio( MIXART_MEM( mgr, val), dsp->data, dsp->size);
- /* set daughterboard status to 4 */
- writel_be( 4, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));
- /* continue with init */
- break;
- } /* end of switch file index*/
- /* wait for daughter status == 3 */
- err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 3, 300); /* 3sec */
- if (err < 0) {
- snd_printk(KERN_ERR
- "daughter board could not be initialised\n");
- return err;
- }
- /* init mailbox (communication with embedded) */
- snd_mixart_init_mailbox(mgr);
- /* first communication with embedded */
- err = mixart_first_init(mgr);
- if (err < 0) {
- snd_printk(KERN_ERR "miXart could not be set up\n");
- return err;
- }
- /* create devices and mixer in accordance with HW options*/
- for (card_index = 0; card_index < mgr->num_cards; card_index++) {
- struct snd_mixart *chip = mgr->chip[card_index];
- if ((err = snd_mixart_create_pcm(chip)) < 0)
- return err;
- if (card_index == 0) {
- if ((err = snd_mixart_create_mixer(chip->mgr)) < 0)
- return err;
- }
- if ((err = snd_card_register(chip->card)) < 0)
- return err;
- };
- snd_printdd("miXart firmware downloaded and successfully set up\n");
- return 0;
- }
- #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
- #if !defined(CONFIG_USE_MIXARTLOADER) && !defined(CONFIG_SND_MIXART) /* built-in kernel */
- #define SND_MIXART_FW_LOADER /* use the standard firmware loader */
- #endif
- #endif
- #ifdef SND_MIXART_FW_LOADER
- int snd_mixart_setup_firmware(struct mixart_mgr *mgr)
- {
- static char *fw_files[3] = {
- "miXart8.xlx", "miXart8.elf", "miXart8AES.xlx"
- };
- char path[32];
- const struct firmware *fw_entry;
- int i, err;
- for (i = 0; i < 3; i++) {
- sprintf(path, "mixart/%s", fw_files[i]);
- if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
- snd_printk(KERN_ERR "miXart: can't load firmware %s\n", path);
- return -ENOENT;
- }
- /* fake hwdep dsp record */
- err = mixart_dsp_load(mgr, i, fw_entry);
- release_firmware(fw_entry);
- if (err < 0)
- return err;
- mgr->dsp_loaded |= 1 << i;
- }
- return 0;
- }
- MODULE_FIRMWARE("mixart/miXart8.xlx");
- MODULE_FIRMWARE("mixart/miXart8.elf");
- MODULE_FIRMWARE("mixart/miXart8AES.xlx");
- #else /* old style firmware loading */
- /* miXart hwdep interface id string */
- #define SND_MIXART_HWDEP_ID "miXart Loader"
- static int mixart_hwdep_dsp_status(struct snd_hwdep *hw,
- struct snd_hwdep_dsp_status *info)
- {
- struct mixart_mgr *mgr = hw->private_data;
- strcpy(info->id, "miXart");
- info->num_dsps = MIXART_HARDW_FILES_MAX_INDEX;
- if (mgr->dsp_loaded & (1 << MIXART_MOTHERBOARD_ELF_INDEX))
- info->chip_ready = 1;
- info->version = MIXART_DRIVER_VERSION;
- return 0;
- }
- static int mixart_hwdep_dsp_load(struct snd_hwdep *hw,
- struct snd_hwdep_dsp_image *dsp)
- {
- struct mixart_mgr* mgr = hw->private_data;
- struct firmware fw;
- int err;
- fw.size = dsp->length;
- fw.data = vmalloc(dsp->length);
- if (! fw.data) {
- snd_printk(KERN_ERR "miXart: cannot allocate image size %d\n",
- (int)dsp->length);
- return -ENOMEM;
- }
- if (copy_from_user((void *) fw.data, dsp->image, dsp->length)) {
- vfree(fw.data);
- return -EFAULT;
- }
- err = mixart_dsp_load(mgr, dsp->index, &fw);
- vfree(fw.data);
- if (err < 0)
- return err;
- mgr->dsp_loaded |= 1 << dsp->index;
- return err;
- }
- int snd_mixart_setup_firmware(struct mixart_mgr *mgr)
- {
- int err;
- struct snd_hwdep *hw;
- /* only create hwdep interface for first cardX (see "index" module parameter)*/
- if ((err = snd_hwdep_new(mgr->chip[0]->card, SND_MIXART_HWDEP_ID, 0, &hw)) < 0)
- return err;
- hw->iface = SNDRV_HWDEP_IFACE_MIXART;
- hw->private_data = mgr;
- hw->ops.dsp_status = mixart_hwdep_dsp_status;
- hw->ops.dsp_load = mixart_hwdep_dsp_load;
- hw->exclusive = 1;
- sprintf(hw->name, SND_MIXART_HWDEP_ID);
- mgr->dsp_loaded = 0;
- return snd_card_register(mgr->chip[0]->card);
- }
- #endif /* SND_MIXART_FW_LOADER */
|