1443 lines
39 KiB
C
1443 lines
39 KiB
C
/*
|
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* Driver for Digigram miXart soundcards
|
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*
|
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* main file with alsa callbacks
|
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*
|
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* Copyright (c) 2003 by Digigram <alsa@digigram.com>
|
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*
|
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* This program is free software; you can redistribute it and/or modify
|
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* it under the terms of the GNU General Public License as published by
|
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* the Free Software Foundation; either version 2 of the License, or
|
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* (at your option) any later version.
|
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*
|
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* This program is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* GNU General Public License for more details.
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*
|
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
|
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
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*/
|
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|
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|
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#include <sound/driver.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
|
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#include <linux/pci.h>
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#include <linux/moduleparam.h>
|
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#include <sound/core.h>
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#include <sound/initval.h>
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#include <sound/info.h>
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#include <sound/control.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include "mixart.h"
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#include "mixart_hwdep.h"
|
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#include "mixart_core.h"
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#include "mixart_mixer.h"
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|
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#define CARD_NAME "miXart"
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|
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MODULE_AUTHOR("Digigram <alsa@digigram.com>");
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MODULE_DESCRIPTION("Digigram " CARD_NAME);
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}");
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|
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");
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/*
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*/
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static struct pci_device_id snd_mixart_ids[] = {
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{ 0x1057, 0x0003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* MC8240 */
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{ 0, }
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};
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MODULE_DEVICE_TABLE(pci, snd_mixart_ids);
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static int mixart_set_pipe_state(mixart_mgr_t *mgr, mixart_pipe_t* pipe, int start)
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{
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mixart_group_state_req_t group_state;
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mixart_group_state_resp_t group_state_resp;
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mixart_msg_t request;
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int err;
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u32 system_msg_uid;
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switch(pipe->status) {
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case PIPE_RUNNING:
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case PIPE_CLOCK_SET:
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if(start) return 0; /* already started */
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break;
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case PIPE_STOPPED:
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if(!start) return 0; /* already stopped */
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break;
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default:
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snd_printk(KERN_ERR "error mixart_set_pipe_state called with wrong pipe->status!\n");
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return -EINVAL; /* function called with wrong pipe status */
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}
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system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */
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/* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */
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request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD;
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request.uid = (mixart_uid_t){0,0};
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request.data = &system_msg_uid;
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request.size = sizeof(system_msg_uid);
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err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid);
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if(err) {
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snd_printk(KERN_ERR "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n");
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return err;
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}
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/* start or stop the pipe (1 pipe) */
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memset(&group_state, 0, sizeof(group_state));
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group_state.pipe_count = 1;
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group_state.pipe_uid[0] = pipe->group_uid;
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if(start)
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request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET;
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else
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request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET;
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request.uid = pipe->group_uid; /*(mixart_uid_t){0,0};*/
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request.data = &group_state;
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request.size = sizeof(group_state);
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err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
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if (err < 0 || group_state_resp.txx_status != 0) {
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snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
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return -EINVAL;
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}
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if(start) {
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u32 stat;
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group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */
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err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
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if (err < 0 || group_state_resp.txx_status != 0) {
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snd_printk(KERN_ERR "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
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return -EINVAL;
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}
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/* in case of start send a synchro top */
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request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
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request.uid = (mixart_uid_t){0,0};
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request.data = NULL;
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request.size = 0;
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err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat);
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if (err < 0 || stat != 0) {
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snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", err, stat);
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return -EINVAL;
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}
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pipe->status = PIPE_RUNNING;
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}
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else /* !start */
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pipe->status = PIPE_STOPPED;
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return 0;
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}
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static int mixart_set_clock(mixart_mgr_t *mgr, mixart_pipe_t *pipe, unsigned int rate)
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{
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mixart_msg_t request;
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mixart_clock_properties_t clock_properties;
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mixart_clock_properties_resp_t clock_prop_resp;
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int err;
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switch(pipe->status) {
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case PIPE_CLOCK_SET:
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break;
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case PIPE_RUNNING:
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if(rate != 0)
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break;
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default:
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if(rate == 0)
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return 0; /* nothing to do */
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else {
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snd_printk(KERN_ERR "error mixart_set_clock(%d) called with wrong pipe->status !\n", rate);
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return -EINVAL;
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}
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}
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memset(&clock_properties, 0, sizeof(clock_properties));
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clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK;
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clock_properties.clock_mode = CM_STANDALONE;
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clock_properties.frequency = rate;
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clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */
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clock_properties.uid_caller[0] = pipe->group_uid;
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snd_printdd("mixart_set_clock to %d kHz\n", rate);
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request.message_id = MSG_CLOCK_SET_PROPERTIES;
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request.uid = mgr->uid_console_manager;
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request.data = &clock_properties;
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request.size = sizeof(clock_properties);
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err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp);
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if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) {
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snd_printk(KERN_ERR "error MSG_CLOCK_SET_PROPERTIES err=%x stat=%x mod=%x !\n", err, clock_prop_resp.status, clock_prop_resp.clock_mode);
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return -EINVAL;
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}
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if(rate) pipe->status = PIPE_CLOCK_SET;
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else pipe->status = PIPE_RUNNING;
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return 0;
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}
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/*
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* Allocate or reference output pipe for analog IOs (pcmp0/1)
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*/
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mixart_pipe_t* snd_mixart_add_ref_pipe( mixart_t *chip, int pcm_number, int capture, int monitoring)
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{
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int stream_count;
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mixart_pipe_t *pipe;
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mixart_msg_t request;
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if(capture) {
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if (pcm_number == MIXART_PCM_ANALOG) {
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pipe = &(chip->pipe_in_ana); /* analog inputs */
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} else {
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pipe = &(chip->pipe_in_dig); /* digital inputs */
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}
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request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP;
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stream_count = MIXART_CAPTURE_STREAMS;
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} else {
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if (pcm_number == MIXART_PCM_ANALOG) {
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pipe = &(chip->pipe_out_ana); /* analog outputs */
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} else {
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pipe = &(chip->pipe_out_dig); /* digital outputs */
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}
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request.message_id = MSG_STREAM_ADD_INPUT_GROUP;
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stream_count = MIXART_PLAYBACK_STREAMS;
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}
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/* a new stream is opened and there are already all streams in use */
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if( (monitoring == 0) && (pipe->references >= stream_count) ) {
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return NULL;
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}
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/* pipe is not yet defined */
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if( pipe->status == PIPE_UNDEFINED ) {
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int err, i;
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struct {
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mixart_streaming_group_req_t sgroup_req;
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mixart_streaming_group_t sgroup_resp;
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} *buf;
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snd_printdd("add_ref_pipe audio chip(%d) pcm(%d)\n", chip->chip_idx, pcm_number);
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buf = kmalloc(sizeof(*buf), GFP_KERNEL);
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if (!buf)
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return NULL;
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request.uid = (mixart_uid_t){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */
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request.data = &buf->sgroup_req;
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request.size = sizeof(buf->sgroup_req);
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memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req));
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buf->sgroup_req.stream_count = stream_count;
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buf->sgroup_req.channel_count = 2;
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buf->sgroup_req.latency = 256;
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buf->sgroup_req.connector = pipe->uid_left_connector; /* the left connector */
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for (i=0; i<stream_count; i++) {
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int j;
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struct mixart_flowinfo *flowinfo;
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struct mixart_bufferinfo *bufferinfo;
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/* we don't yet know the format, so config 16 bit pcm audio for instance */
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buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024;
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buf->sgroup_req.stream_info[i].size_max_sample_frame = 256;
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buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */
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/* find the right bufferinfo_array */
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j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i;
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if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */
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|
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buf->sgroup_req.flow_entry[i] = j;
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flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area;
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flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(mixart_bufferinfo_t));
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flowinfo[j].bufferinfo_count = 1; /* 1 will set the miXart to ring-buffer mode ! */
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bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
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bufferinfo[j].buffer_address = 0; /* buffer is not yet allocated */
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bufferinfo[j].available_length = 0; /* buffer is not yet allocated */
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||
|
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/* construct the identifier of the stream buffer received in the interrupts ! */
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bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i;
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if(capture) {
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bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK;
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}
|
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}
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|
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err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp);
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if((err < 0) || (buf->sgroup_resp.status != 0)) {
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snd_printk(KERN_ERR "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", err, buf->sgroup_resp.status);
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kfree(buf);
|
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return NULL;
|
||
}
|
||
|
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pipe->group_uid = buf->sgroup_resp.group; /* id of the pipe, as returned by embedded */
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pipe->stream_count = buf->sgroup_resp.stream_count;
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/* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */
|
||
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pipe->status = PIPE_STOPPED;
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kfree(buf);
|
||
}
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|
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if(monitoring) pipe->monitoring = 1;
|
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else pipe->references++;
|
||
|
||
return pipe;
|
||
}
|
||
|
||
|
||
int snd_mixart_kill_ref_pipe( mixart_mgr_t *mgr, mixart_pipe_t *pipe, int monitoring)
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||
{
|
||
int err = 0;
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if(pipe->status == PIPE_UNDEFINED)
|
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return 0;
|
||
|
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if(monitoring)
|
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pipe->monitoring = 0;
|
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else
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pipe->references--;
|
||
|
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if((pipe->references <= 0) && (pipe->monitoring == 0)) {
|
||
|
||
mixart_msg_t request;
|
||
mixart_delete_group_resp_t delete_resp;
|
||
|
||
/* release the clock */
|
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err = mixart_set_clock( mgr, pipe, 0);
|
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if( err < 0 ) {
|
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snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n");
|
||
}
|
||
|
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/* stop the pipe */
|
||
err = mixart_set_pipe_state(mgr, pipe, 0);
|
||
if( err < 0 ) {
|
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snd_printk(KERN_ERR "error stopping pipe!\n");
|
||
}
|
||
|
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request.message_id = MSG_STREAM_DELETE_GROUP;
|
||
request.uid = (mixart_uid_t){0,0};
|
||
request.data = &pipe->group_uid; /* the streaming group ! */
|
||
request.size = sizeof(pipe->group_uid);
|
||
|
||
/* delete the pipe */
|
||
err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp);
|
||
if ((err < 0) || (delete_resp.status != 0)) {
|
||
snd_printk(KERN_ERR "error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n", err, delete_resp.status);
|
||
}
|
||
|
||
pipe->group_uid = (mixart_uid_t){0,0};
|
||
pipe->stream_count = 0;
|
||
pipe->status = PIPE_UNDEFINED;
|
||
}
|
||
|
||
return err;
|
||
}
|
||
|
||
static int mixart_set_stream_state(mixart_stream_t *stream, int start)
|
||
{
|
||
mixart_t *chip;
|
||
mixart_stream_state_req_t stream_state_req;
|
||
mixart_msg_t request;
|
||
|
||
if(!stream->substream)
|
||
return -EINVAL;
|
||
|
||
memset(&stream_state_req, 0, sizeof(stream_state_req));
|
||
stream_state_req.stream_count = 1;
|
||
stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid;
|
||
stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number;
|
||
|
||
if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
||
request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET;
|
||
else
|
||
request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET;
|
||
|
||
request.uid = (mixart_uid_t){0,0};
|
||
request.data = &stream_state_req;
|
||
request.size = sizeof(stream_state_req);
|
||
|
||
stream->abs_period_elapsed = 0; /* reset stream pos */
|
||
stream->buf_periods = 0;
|
||
stream->buf_period_frag = 0;
|
||
|
||
chip = snd_pcm_substream_chip(stream->substream);
|
||
|
||
return snd_mixart_send_msg_nonblock(chip->mgr, &request);
|
||
}
|
||
|
||
/*
|
||
* Trigger callback
|
||
*/
|
||
|
||
static int snd_mixart_trigger(snd_pcm_substream_t *subs, int cmd)
|
||
{
|
||
mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
|
||
|
||
switch (cmd) {
|
||
case SNDRV_PCM_TRIGGER_START:
|
||
|
||
snd_printdd("SNDRV_PCM_TRIGGER_START\n");
|
||
|
||
/* START_STREAM */
|
||
if( mixart_set_stream_state(stream, 1) )
|
||
return -EINVAL;
|
||
|
||
stream->status = MIXART_STREAM_STATUS_RUNNING;
|
||
|
||
break;
|
||
case SNDRV_PCM_TRIGGER_STOP:
|
||
|
||
/* STOP_STREAM */
|
||
if( mixart_set_stream_state(stream, 0) )
|
||
return -EINVAL;
|
||
|
||
stream->status = MIXART_STREAM_STATUS_OPEN;
|
||
|
||
snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
|
||
|
||
break;
|
||
|
||
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
||
/* TODO */
|
||
stream->status = MIXART_STREAM_STATUS_PAUSE;
|
||
snd_printdd("SNDRV_PCM_PAUSE_PUSH\n");
|
||
break;
|
||
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
||
/* TODO */
|
||
stream->status = MIXART_STREAM_STATUS_RUNNING;
|
||
snd_printdd("SNDRV_PCM_PAUSE_RELEASE\n");
|
||
break;
|
||
default:
|
||
return -EINVAL;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
static int mixart_sync_nonblock_events(mixart_mgr_t *mgr)
|
||
{
|
||
unsigned long timeout = jiffies + HZ;
|
||
while (atomic_read(&mgr->msg_processed) > 0) {
|
||
if (time_after(jiffies, timeout)) {
|
||
snd_printk(KERN_ERR "mixart: cannot process nonblock events!\n");
|
||
return -EBUSY;
|
||
}
|
||
schedule_timeout_uninterruptible(1);
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
/*
|
||
* prepare callback for all pcms
|
||
*/
|
||
static int snd_mixart_prepare(snd_pcm_substream_t *subs)
|
||
{
|
||
mixart_t *chip = snd_pcm_substream_chip(subs);
|
||
mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
|
||
|
||
/* TODO de fa<66>on non bloquante, r<>appliquer les hw_params (rate, bits, codec) */
|
||
|
||
snd_printdd("snd_mixart_prepare\n");
|
||
|
||
mixart_sync_nonblock_events(chip->mgr);
|
||
|
||
/* only the first stream can choose the sample rate */
|
||
/* the further opened streams will be limited to its frequency (see open) */
|
||
if(chip->mgr->ref_count_rate == 1)
|
||
chip->mgr->sample_rate = subs->runtime->rate;
|
||
|
||
/* set the clock only once (first stream) on the same pipe */
|
||
if(stream->pipe->references == 1) {
|
||
if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) )
|
||
return -EINVAL;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
static int mixart_set_format(mixart_stream_t *stream, snd_pcm_format_t format)
|
||
{
|
||
int err;
|
||
mixart_t *chip;
|
||
mixart_msg_t request;
|
||
mixart_stream_param_desc_t stream_param;
|
||
mixart_return_uid_t resp;
|
||
|
||
chip = snd_pcm_substream_chip(stream->substream);
|
||
|
||
memset(&stream_param, 0, sizeof(stream_param));
|
||
|
||
stream_param.coding_type = CT_LINEAR;
|
||
stream_param.number_of_channel = stream->channels;
|
||
|
||
stream_param.sampling_freq = chip->mgr->sample_rate;
|
||
if(stream_param.sampling_freq == 0)
|
||
stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */
|
||
|
||
switch(format){
|
||
case SNDRV_PCM_FORMAT_U8:
|
||
stream_param.sample_type = ST_INTEGER_8;
|
||
stream_param.sample_size = 8;
|
||
break;
|
||
case SNDRV_PCM_FORMAT_S16_LE:
|
||
stream_param.sample_type = ST_INTEGER_16LE;
|
||
stream_param.sample_size = 16;
|
||
break;
|
||
case SNDRV_PCM_FORMAT_S16_BE:
|
||
stream_param.sample_type = ST_INTEGER_16BE;
|
||
stream_param.sample_size = 16;
|
||
break;
|
||
case SNDRV_PCM_FORMAT_S24_3LE:
|
||
stream_param.sample_type = ST_INTEGER_24LE;
|
||
stream_param.sample_size = 24;
|
||
break;
|
||
case SNDRV_PCM_FORMAT_S24_3BE:
|
||
stream_param.sample_type = ST_INTEGER_24BE;
|
||
stream_param.sample_size = 24;
|
||
break;
|
||
case SNDRV_PCM_FORMAT_FLOAT_LE:
|
||
stream_param.sample_type = ST_FLOATING_POINT_32LE;
|
||
stream_param.sample_size = 32;
|
||
break;
|
||
case SNDRV_PCM_FORMAT_FLOAT_BE:
|
||
stream_param.sample_type = ST_FLOATING_POINT_32BE;
|
||
stream_param.sample_size = 32;
|
||
break;
|
||
default:
|
||
snd_printk(KERN_ERR "error mixart_set_format() : unknown format\n");
|
||
return -EINVAL;
|
||
}
|
||
|
||
snd_printdd("set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n",
|
||
stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels);
|
||
|
||
/* TODO: what else to configure ? */
|
||
/* stream_param.samples_per_frame = 2; */
|
||
/* stream_param.bytes_per_frame = 4; */
|
||
/* stream_param.bytes_per_sample = 2; */
|
||
|
||
stream_param.pipe_count = 1; /* set to 1 */
|
||
stream_param.stream_count = 1; /* set to 1 */
|
||
stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid;
|
||
stream_param.stream_desc[0].stream_idx = stream->substream->number;
|
||
|
||
request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM;
|
||
request.uid = (mixart_uid_t){0,0};
|
||
request.data = &stream_param;
|
||
request.size = sizeof(stream_param);
|
||
|
||
err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp);
|
||
if((err < 0) || resp.error_code) {
|
||
snd_printk(KERN_ERR "MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n", err, resp.error_code);
|
||
return -EINVAL;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
|
||
/*
|
||
* HW_PARAMS callback for all pcms
|
||
*/
|
||
static int snd_mixart_hw_params(snd_pcm_substream_t *subs,
|
||
snd_pcm_hw_params_t *hw)
|
||
{
|
||
mixart_t *chip = snd_pcm_substream_chip(subs);
|
||
mixart_mgr_t *mgr = chip->mgr;
|
||
mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
|
||
snd_pcm_format_t format;
|
||
int err;
|
||
int channels;
|
||
|
||
/* set up channels */
|
||
channels = params_channels(hw);
|
||
|
||
/* set up format for the stream */
|
||
format = params_format(hw);
|
||
|
||
down(&mgr->setup_mutex);
|
||
|
||
/* update the stream levels */
|
||
if( stream->pcm_number <= MIXART_PCM_DIGITAL ) {
|
||
int is_aes = stream->pcm_number > MIXART_PCM_ANALOG;
|
||
if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK )
|
||
mixart_update_playback_stream_level(chip, is_aes, subs->number);
|
||
else
|
||
mixart_update_capture_stream_level( chip, is_aes);
|
||
}
|
||
|
||
stream->channels = channels;
|
||
|
||
/* set the format to the board */
|
||
err = mixart_set_format(stream, format);
|
||
if(err < 0) {
|
||
return err;
|
||
}
|
||
|
||
/* allocate buffer */
|
||
err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
|
||
|
||
if (err > 0) {
|
||
struct mixart_bufferinfo *bufferinfo;
|
||
int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number;
|
||
if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) {
|
||
i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */
|
||
}
|
||
|
||
bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
|
||
bufferinfo[i].buffer_address = subs->runtime->dma_addr;
|
||
bufferinfo[i].available_length = subs->runtime->dma_bytes;
|
||
/* bufferinfo[i].buffer_id is already defined */
|
||
|
||
snd_printdd("snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n", i,
|
||
bufferinfo[i].buffer_address,
|
||
bufferinfo[i].available_length,
|
||
subs->number);
|
||
}
|
||
up(&mgr->setup_mutex);
|
||
|
||
return err;
|
||
}
|
||
|
||
static int snd_mixart_hw_free(snd_pcm_substream_t *subs)
|
||
{
|
||
mixart_t *chip = snd_pcm_substream_chip(subs);
|
||
snd_pcm_lib_free_pages(subs);
|
||
mixart_sync_nonblock_events(chip->mgr);
|
||
return 0;
|
||
}
|
||
|
||
|
||
|
||
/*
|
||
* TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
|
||
*/
|
||
static snd_pcm_hardware_t snd_mixart_analog_caps =
|
||
{
|
||
.info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
|
||
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
|
||
SNDRV_PCM_INFO_PAUSE),
|
||
.formats = ( SNDRV_PCM_FMTBIT_U8 |
|
||
SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
|
||
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
|
||
SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
|
||
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
|
||
.rate_min = 8000,
|
||
.rate_max = 48000,
|
||
.channels_min = 1,
|
||
.channels_max = 2,
|
||
.buffer_bytes_max = (32*1024),
|
||
.period_bytes_min = 256, /* 256 frames U8 mono*/
|
||
.period_bytes_max = (16*1024),
|
||
.periods_min = 2,
|
||
.periods_max = (32*1024/256),
|
||
};
|
||
|
||
static snd_pcm_hardware_t snd_mixart_digital_caps =
|
||
{
|
||
.info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
|
||
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
|
||
SNDRV_PCM_INFO_PAUSE),
|
||
.formats = ( SNDRV_PCM_FMTBIT_U8 |
|
||
SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
|
||
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
|
||
SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ),
|
||
.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
|
||
.rate_min = 32000,
|
||
.rate_max = 48000,
|
||
.channels_min = 1,
|
||
.channels_max = 2,
|
||
.buffer_bytes_max = (32*1024),
|
||
.period_bytes_min = 256, /* 256 frames U8 mono*/
|
||
.period_bytes_max = (16*1024),
|
||
.periods_min = 2,
|
||
.periods_max = (32*1024/256),
|
||
};
|
||
|
||
|
||
static int snd_mixart_playback_open(snd_pcm_substream_t *subs)
|
||
{
|
||
mixart_t *chip = snd_pcm_substream_chip(subs);
|
||
mixart_mgr_t *mgr = chip->mgr;
|
||
snd_pcm_runtime_t *runtime = subs->runtime;
|
||
snd_pcm_t *pcm = subs->pcm;
|
||
mixart_stream_t *stream;
|
||
mixart_pipe_t *pipe;
|
||
int err = 0;
|
||
int pcm_number;
|
||
|
||
down(&mgr->setup_mutex);
|
||
|
||
if ( pcm == chip->pcm ) {
|
||
pcm_number = MIXART_PCM_ANALOG;
|
||
runtime->hw = snd_mixart_analog_caps;
|
||
} else {
|
||
snd_assert ( pcm == chip->pcm_dig );
|
||
pcm_number = MIXART_PCM_DIGITAL;
|
||
runtime->hw = snd_mixart_digital_caps;
|
||
}
|
||
snd_printdd("snd_mixart_playback_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number);
|
||
|
||
/* get stream info */
|
||
stream = &(chip->playback_stream[pcm_number][subs->number]);
|
||
|
||
if (stream->status != MIXART_STREAM_STATUS_FREE){
|
||
/* streams in use */
|
||
snd_printk(KERN_ERR "snd_mixart_playback_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number);
|
||
err = -EBUSY;
|
||
goto _exit_open;
|
||
}
|
||
|
||
/* get pipe pointer (out pipe) */
|
||
pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0);
|
||
|
||
if (pipe == NULL) {
|
||
err = -EINVAL;
|
||
goto _exit_open;
|
||
}
|
||
|
||
/* start the pipe if necessary */
|
||
err = mixart_set_pipe_state(chip->mgr, pipe, 1);
|
||
if( err < 0 ) {
|
||
snd_printk(KERN_ERR "error starting pipe!\n");
|
||
snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
|
||
err = -EINVAL;
|
||
goto _exit_open;
|
||
}
|
||
|
||
stream->pipe = pipe;
|
||
stream->pcm_number = pcm_number;
|
||
stream->status = MIXART_STREAM_STATUS_OPEN;
|
||
stream->substream = subs;
|
||
stream->channels = 0; /* not configured yet */
|
||
|
||
runtime->private_data = stream;
|
||
|
||
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
|
||
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
|
||
|
||
/* if a sample rate is already used, another stream cannot change */
|
||
if(mgr->ref_count_rate++) {
|
||
if(mgr->sample_rate) {
|
||
runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
|
||
}
|
||
}
|
||
|
||
_exit_open:
|
||
up(&mgr->setup_mutex);
|
||
|
||
return err;
|
||
}
|
||
|
||
|
||
static int snd_mixart_capture_open(snd_pcm_substream_t *subs)
|
||
{
|
||
mixart_t *chip = snd_pcm_substream_chip(subs);
|
||
mixart_mgr_t *mgr = chip->mgr;
|
||
snd_pcm_runtime_t *runtime = subs->runtime;
|
||
snd_pcm_t *pcm = subs->pcm;
|
||
mixart_stream_t *stream;
|
||
mixart_pipe_t *pipe;
|
||
int err = 0;
|
||
int pcm_number;
|
||
|
||
down(&mgr->setup_mutex);
|
||
|
||
if ( pcm == chip->pcm ) {
|
||
pcm_number = MIXART_PCM_ANALOG;
|
||
runtime->hw = snd_mixart_analog_caps;
|
||
} else {
|
||
snd_assert ( pcm == chip->pcm_dig );
|
||
pcm_number = MIXART_PCM_DIGITAL;
|
||
runtime->hw = snd_mixart_digital_caps;
|
||
}
|
||
|
||
runtime->hw.channels_min = 2; /* for instance, no mono */
|
||
|
||
snd_printdd("snd_mixart_capture_open C%d/P%d/Sub%d\n", chip->chip_idx, pcm_number, subs->number);
|
||
|
||
/* get stream info */
|
||
stream = &(chip->capture_stream[pcm_number]);
|
||
|
||
if (stream->status != MIXART_STREAM_STATUS_FREE){
|
||
/* streams in use */
|
||
snd_printk(KERN_ERR "snd_mixart_capture_open C%d/P%d/Sub%d in use\n", chip->chip_idx, pcm_number, subs->number);
|
||
err = -EBUSY;
|
||
goto _exit_open;
|
||
}
|
||
|
||
/* get pipe pointer (in pipe) */
|
||
pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0);
|
||
|
||
if (pipe == NULL) {
|
||
err = -EINVAL;
|
||
goto _exit_open;
|
||
}
|
||
|
||
/* start the pipe if necessary */
|
||
err = mixart_set_pipe_state(chip->mgr, pipe, 1);
|
||
if( err < 0 ) {
|
||
snd_printk(KERN_ERR "error starting pipe!\n");
|
||
snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0);
|
||
err = -EINVAL;
|
||
goto _exit_open;
|
||
}
|
||
|
||
stream->pipe = pipe;
|
||
stream->pcm_number = pcm_number;
|
||
stream->status = MIXART_STREAM_STATUS_OPEN;
|
||
stream->substream = subs;
|
||
stream->channels = 0; /* not configured yet */
|
||
|
||
runtime->private_data = stream;
|
||
|
||
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
|
||
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64);
|
||
|
||
/* if a sample rate is already used, another stream cannot change */
|
||
if(mgr->ref_count_rate++) {
|
||
if(mgr->sample_rate) {
|
||
runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
|
||
}
|
||
}
|
||
|
||
_exit_open:
|
||
up(&mgr->setup_mutex);
|
||
|
||
return err;
|
||
}
|
||
|
||
|
||
|
||
static int snd_mixart_close(snd_pcm_substream_t *subs)
|
||
{
|
||
mixart_t *chip = snd_pcm_substream_chip(subs);
|
||
mixart_mgr_t *mgr = chip->mgr;
|
||
mixart_stream_t *stream = (mixart_stream_t*)subs->runtime->private_data;
|
||
|
||
down(&mgr->setup_mutex);
|
||
|
||
snd_printdd("snd_mixart_close C%d/P%d/Sub%d\n", chip->chip_idx, stream->pcm_number, subs->number);
|
||
|
||
/* sample rate released */
|
||
if(--mgr->ref_count_rate == 0) {
|
||
mgr->sample_rate = 0;
|
||
}
|
||
|
||
/* delete pipe */
|
||
if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) {
|
||
|
||
snd_printk(KERN_ERR "error snd_mixart_kill_ref_pipe C%dP%d\n", chip->chip_idx, stream->pcm_number);
|
||
}
|
||
|
||
stream->pipe = NULL;
|
||
stream->status = MIXART_STREAM_STATUS_FREE;
|
||
stream->substream = NULL;
|
||
|
||
up(&mgr->setup_mutex);
|
||
return 0;
|
||
}
|
||
|
||
|
||
static snd_pcm_uframes_t snd_mixart_stream_pointer(snd_pcm_substream_t * subs)
|
||
{
|
||
snd_pcm_runtime_t *runtime = subs->runtime;
|
||
mixart_stream_t *stream = (mixart_stream_t*)runtime->private_data;
|
||
|
||
return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag);
|
||
}
|
||
|
||
|
||
|
||
static snd_pcm_ops_t snd_mixart_playback_ops = {
|
||
.open = snd_mixart_playback_open,
|
||
.close = snd_mixart_close,
|
||
.ioctl = snd_pcm_lib_ioctl,
|
||
.prepare = snd_mixart_prepare,
|
||
.hw_params = snd_mixart_hw_params,
|
||
.hw_free = snd_mixart_hw_free,
|
||
.trigger = snd_mixart_trigger,
|
||
.pointer = snd_mixart_stream_pointer,
|
||
};
|
||
|
||
static snd_pcm_ops_t snd_mixart_capture_ops = {
|
||
.open = snd_mixart_capture_open,
|
||
.close = snd_mixart_close,
|
||
.ioctl = snd_pcm_lib_ioctl,
|
||
.prepare = snd_mixart_prepare,
|
||
.hw_params = snd_mixart_hw_params,
|
||
.hw_free = snd_mixart_hw_free,
|
||
.trigger = snd_mixart_trigger,
|
||
.pointer = snd_mixart_stream_pointer,
|
||
};
|
||
|
||
static void preallocate_buffers(mixart_t *chip, snd_pcm_t *pcm)
|
||
{
|
||
#if 0
|
||
snd_pcm_substream_t *subs;
|
||
int stream;
|
||
|
||
for (stream = 0; stream < 2; stream++) {
|
||
int idx = 0;
|
||
for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++)
|
||
/* set up the unique device id with the chip index */
|
||
subs->dma_device.id = subs->pcm->device << 16 |
|
||
subs->stream << 8 | (subs->number + 1) |
|
||
(chip->chip_idx + 1) << 24;
|
||
}
|
||
#endif
|
||
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
|
||
snd_dma_pci_data(chip->mgr->pci), 32*1024, 32*1024);
|
||
}
|
||
|
||
/*
|
||
*/
|
||
static int snd_mixart_pcm_analog(mixart_t *chip)
|
||
{
|
||
int err;
|
||
snd_pcm_t *pcm;
|
||
char name[32];
|
||
|
||
sprintf(name, "miXart analog %d", chip->chip_idx);
|
||
if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG,
|
||
MIXART_PLAYBACK_STREAMS,
|
||
MIXART_CAPTURE_STREAMS, &pcm)) < 0) {
|
||
snd_printk(KERN_ERR "cannot create the analog pcm %d\n", chip->chip_idx);
|
||
return err;
|
||
}
|
||
|
||
pcm->private_data = chip;
|
||
|
||
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);
|
||
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);
|
||
|
||
pcm->info_flags = 0;
|
||
strcpy(pcm->name, name);
|
||
|
||
preallocate_buffers(chip, pcm);
|
||
|
||
chip->pcm = pcm;
|
||
return 0;
|
||
}
|
||
|
||
|
||
/*
|
||
*/
|
||
static int snd_mixart_pcm_digital(mixart_t *chip)
|
||
{
|
||
int err;
|
||
snd_pcm_t *pcm;
|
||
char name[32];
|
||
|
||
sprintf(name, "miXart AES/EBU %d", chip->chip_idx);
|
||
if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL,
|
||
MIXART_PLAYBACK_STREAMS,
|
||
MIXART_CAPTURE_STREAMS, &pcm)) < 0) {
|
||
snd_printk(KERN_ERR "cannot create the digital pcm %d\n", chip->chip_idx);
|
||
return err;
|
||
}
|
||
|
||
pcm->private_data = chip;
|
||
|
||
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops);
|
||
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops);
|
||
|
||
pcm->info_flags = 0;
|
||
strcpy(pcm->name, name);
|
||
|
||
preallocate_buffers(chip, pcm);
|
||
|
||
chip->pcm_dig = pcm;
|
||
return 0;
|
||
}
|
||
|
||
static int snd_mixart_chip_free(mixart_t *chip)
|
||
{
|
||
kfree(chip);
|
||
return 0;
|
||
}
|
||
|
||
static int snd_mixart_chip_dev_free(snd_device_t *device)
|
||
{
|
||
mixart_t *chip = device->device_data;
|
||
return snd_mixart_chip_free(chip);
|
||
}
|
||
|
||
|
||
/*
|
||
*/
|
||
static int __devinit snd_mixart_create(mixart_mgr_t *mgr, snd_card_t *card, int idx)
|
||
{
|
||
int err;
|
||
mixart_t *chip;
|
||
static snd_device_ops_t ops = {
|
||
.dev_free = snd_mixart_chip_dev_free,
|
||
};
|
||
|
||
mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL);
|
||
if (! chip) {
|
||
snd_printk(KERN_ERR "cannot allocate chip\n");
|
||
return -ENOMEM;
|
||
}
|
||
|
||
chip->card = card;
|
||
chip->chip_idx = idx;
|
||
chip->mgr = mgr;
|
||
|
||
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
|
||
snd_mixart_chip_free(chip);
|
||
return err;
|
||
}
|
||
|
||
snd_card_set_dev(card, &mgr->pci->dev);
|
||
|
||
return 0;
|
||
}
|
||
|
||
int snd_mixart_create_pcm(mixart_t* chip)
|
||
{
|
||
int err;
|
||
|
||
err = snd_mixart_pcm_analog(chip);
|
||
if (err < 0)
|
||
return err;
|
||
|
||
if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) {
|
||
|
||
err = snd_mixart_pcm_digital(chip);
|
||
if (err < 0)
|
||
return err;
|
||
}
|
||
return err;
|
||
}
|
||
|
||
|
||
/*
|
||
* release all the cards assigned to a manager instance
|
||
*/
|
||
static int snd_mixart_free(mixart_mgr_t *mgr)
|
||
{
|
||
unsigned int i;
|
||
|
||
for (i = 0; i < mgr->num_cards; i++) {
|
||
if (mgr->chip[i])
|
||
snd_card_free(mgr->chip[i]->card);
|
||
}
|
||
|
||
/* stop mailbox */
|
||
snd_mixart_exit_mailbox(mgr);
|
||
|
||
/* release irq */
|
||
if (mgr->irq >= 0)
|
||
free_irq(mgr->irq, (void *)mgr);
|
||
|
||
/* reset board if some firmware was loaded */
|
||
if(mgr->dsp_loaded) {
|
||
snd_mixart_reset_board(mgr);
|
||
snd_printdd("reset miXart !\n");
|
||
}
|
||
|
||
/* release the i/o ports */
|
||
for (i = 0; i < 2; i++) {
|
||
if (mgr->mem[i].virt)
|
||
iounmap(mgr->mem[i].virt);
|
||
}
|
||
pci_release_regions(mgr->pci);
|
||
|
||
/* free flowarray */
|
||
if(mgr->flowinfo.area) {
|
||
snd_dma_free_pages(&mgr->flowinfo);
|
||
mgr->flowinfo.area = NULL;
|
||
}
|
||
/* free bufferarray */
|
||
if(mgr->bufferinfo.area) {
|
||
snd_dma_free_pages(&mgr->bufferinfo);
|
||
mgr->bufferinfo.area = NULL;
|
||
}
|
||
|
||
pci_disable_device(mgr->pci);
|
||
kfree(mgr);
|
||
return 0;
|
||
}
|
||
|
||
/*
|
||
* proc interface
|
||
*/
|
||
static long long snd_mixart_BA0_llseek(snd_info_entry_t *entry,
|
||
void *private_file_data,
|
||
struct file *file,
|
||
long long offset,
|
||
int orig)
|
||
{
|
||
offset = offset & ~3; /* 4 bytes aligned */
|
||
|
||
switch(orig) {
|
||
case 0: /* SEEK_SET */
|
||
file->f_pos = offset;
|
||
break;
|
||
case 1: /* SEEK_CUR */
|
||
file->f_pos += offset;
|
||
break;
|
||
case 2: /* SEEK_END, offset is negative */
|
||
file->f_pos = MIXART_BA0_SIZE + offset;
|
||
break;
|
||
default:
|
||
return -EINVAL;
|
||
}
|
||
if(file->f_pos > MIXART_BA0_SIZE)
|
||
file->f_pos = MIXART_BA0_SIZE;
|
||
return file->f_pos;
|
||
}
|
||
|
||
static long long snd_mixart_BA1_llseek(snd_info_entry_t *entry,
|
||
void *private_file_data,
|
||
struct file *file,
|
||
long long offset,
|
||
int orig)
|
||
{
|
||
offset = offset & ~3; /* 4 bytes aligned */
|
||
|
||
switch(orig) {
|
||
case 0: /* SEEK_SET */
|
||
file->f_pos = offset;
|
||
break;
|
||
case 1: /* SEEK_CUR */
|
||
file->f_pos += offset;
|
||
break;
|
||
case 2: /* SEEK_END, offset is negative */
|
||
file->f_pos = MIXART_BA1_SIZE + offset;
|
||
break;
|
||
default:
|
||
return -EINVAL;
|
||
}
|
||
if(file->f_pos > MIXART_BA1_SIZE)
|
||
file->f_pos = MIXART_BA1_SIZE;
|
||
return file->f_pos;
|
||
}
|
||
|
||
/*
|
||
mixart_BA0 proc interface for BAR 0 - read callback
|
||
*/
|
||
static long snd_mixart_BA0_read(snd_info_entry_t *entry, void *file_private_data,
|
||
struct file *file, char __user *buf,
|
||
unsigned long count, unsigned long pos)
|
||
{
|
||
mixart_mgr_t *mgr = entry->private_data;
|
||
|
||
count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
|
||
if(count <= 0)
|
||
return 0;
|
||
if(pos + count > MIXART_BA0_SIZE)
|
||
count = (long)(MIXART_BA0_SIZE - pos);
|
||
if(copy_to_user_fromio(buf, MIXART_MEM( mgr, pos ), count))
|
||
return -EFAULT;
|
||
return count;
|
||
}
|
||
|
||
/*
|
||
mixart_BA1 proc interface for BAR 1 - read callback
|
||
*/
|
||
static long snd_mixart_BA1_read(snd_info_entry_t *entry, void *file_private_data,
|
||
struct file *file, char __user *buf,
|
||
unsigned long count, unsigned long pos)
|
||
{
|
||
mixart_mgr_t *mgr = entry->private_data;
|
||
|
||
count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
|
||
if(count <= 0)
|
||
return 0;
|
||
if(pos + count > MIXART_BA1_SIZE)
|
||
count = (long)(MIXART_BA1_SIZE - pos);
|
||
if(copy_to_user_fromio(buf, MIXART_REG( mgr, pos ), count))
|
||
return -EFAULT;
|
||
return count;
|
||
}
|
||
|
||
static struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = {
|
||
.read = snd_mixart_BA0_read,
|
||
.llseek = snd_mixart_BA0_llseek
|
||
};
|
||
|
||
static struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = {
|
||
.read = snd_mixart_BA1_read,
|
||
.llseek = snd_mixart_BA1_llseek
|
||
};
|
||
|
||
|
||
static void snd_mixart_proc_read(snd_info_entry_t *entry,
|
||
snd_info_buffer_t * buffer)
|
||
{
|
||
mixart_t *chip = entry->private_data;
|
||
u32 ref;
|
||
|
||
snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx);
|
||
|
||
/* stats available when embedded OS is running */
|
||
if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) {
|
||
snd_iprintf(buffer, "- hardware -\n");
|
||
switch (chip->mgr->board_type ) {
|
||
case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break;
|
||
case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break;
|
||
case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break;
|
||
default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break;
|
||
}
|
||
|
||
snd_iprintf(buffer, "- system load -\n");
|
||
|
||
/* get perf reference */
|
||
|
||
ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET));
|
||
|
||
if (ref) {
|
||
u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref;
|
||
u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref;
|
||
u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref;
|
||
|
||
snd_iprintf(buffer, "\tstreaming : %d\n", streaming);
|
||
snd_iprintf(buffer, "\tmailbox : %d\n", mailbox);
|
||
snd_iprintf(buffer, "\tinterrups handling : %d\n\n", interr);
|
||
}
|
||
} /* endif elf loaded */
|
||
}
|
||
|
||
static void __devinit snd_mixart_proc_init(mixart_t *chip)
|
||
{
|
||
snd_info_entry_t *entry;
|
||
|
||
/* text interface to read perf and temp meters */
|
||
if (! snd_card_proc_new(chip->card, "board_info", &entry)) {
|
||
entry->private_data = chip;
|
||
entry->c.text.read_size = 1024;
|
||
entry->c.text.read = snd_mixart_proc_read;
|
||
}
|
||
|
||
if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) {
|
||
entry->content = SNDRV_INFO_CONTENT_DATA;
|
||
entry->private_data = chip->mgr;
|
||
entry->c.ops = &snd_mixart_proc_ops_BA0;
|
||
entry->size = MIXART_BA0_SIZE;
|
||
}
|
||
if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) {
|
||
entry->content = SNDRV_INFO_CONTENT_DATA;
|
||
entry->private_data = chip->mgr;
|
||
entry->c.ops = &snd_mixart_proc_ops_BA1;
|
||
entry->size = MIXART_BA1_SIZE;
|
||
}
|
||
}
|
||
/* end of proc interface */
|
||
|
||
|
||
/*
|
||
* probe function - creates the card manager
|
||
*/
|
||
static int __devinit snd_mixart_probe(struct pci_dev *pci,
|
||
const struct pci_device_id *pci_id)
|
||
{
|
||
static int dev;
|
||
mixart_mgr_t *mgr;
|
||
unsigned int i;
|
||
int err;
|
||
size_t size;
|
||
|
||
/*
|
||
*/
|
||
if (dev >= SNDRV_CARDS)
|
||
return -ENODEV;
|
||
if (! enable[dev]) {
|
||
dev++;
|
||
return -ENOENT;
|
||
}
|
||
|
||
/* enable PCI device */
|
||
if ((err = pci_enable_device(pci)) < 0)
|
||
return err;
|
||
pci_set_master(pci);
|
||
|
||
/* check if we can restrict PCI DMA transfers to 32 bits */
|
||
if (pci_set_dma_mask(pci, 0xffffffff) < 0) {
|
||
snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
|
||
pci_disable_device(pci);
|
||
return -ENXIO;
|
||
}
|
||
|
||
/*
|
||
*/
|
||
mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
|
||
if (! mgr) {
|
||
pci_disable_device(pci);
|
||
return -ENOMEM;
|
||
}
|
||
|
||
mgr->pci = pci;
|
||
mgr->irq = -1;
|
||
|
||
/* resource assignment */
|
||
if ((err = pci_request_regions(pci, CARD_NAME)) < 0) {
|
||
kfree(mgr);
|
||
pci_disable_device(pci);
|
||
return err;
|
||
}
|
||
for (i = 0; i < 2; i++) {
|
||
mgr->mem[i].phys = pci_resource_start(pci, i);
|
||
mgr->mem[i].virt = ioremap_nocache(mgr->mem[i].phys,
|
||
pci_resource_len(pci, i));
|
||
}
|
||
|
||
if (request_irq(pci->irq, snd_mixart_interrupt, SA_INTERRUPT|SA_SHIRQ, CARD_NAME, (void *)mgr)) {
|
||
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
|
||
snd_mixart_free(mgr);
|
||
return -EBUSY;
|
||
}
|
||
mgr->irq = pci->irq;
|
||
|
||
sprintf(mgr->shortname, "Digigram miXart");
|
||
sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, irq %i", mgr->shortname, mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq);
|
||
|
||
/* ISR spinlock */
|
||
spin_lock_init(&mgr->lock);
|
||
|
||
/* init mailbox */
|
||
mgr->msg_fifo_readptr = 0;
|
||
mgr->msg_fifo_writeptr = 0;
|
||
|
||
spin_lock_init(&mgr->msg_lock);
|
||
init_MUTEX(&mgr->msg_mutex);
|
||
init_waitqueue_head(&mgr->msg_sleep);
|
||
atomic_set(&mgr->msg_processed, 0);
|
||
|
||
/* init setup mutex*/
|
||
init_MUTEX(&mgr->setup_mutex);
|
||
|
||
/* init message taslket */
|
||
tasklet_init( &mgr->msg_taskq, snd_mixart_msg_tasklet, (unsigned long) mgr);
|
||
|
||
/* card assignment */
|
||
mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */
|
||
for (i = 0; i < mgr->num_cards; i++) {
|
||
snd_card_t *card;
|
||
char tmpid[16];
|
||
int idx;
|
||
|
||
if (index[dev] < 0)
|
||
idx = index[dev];
|
||
else
|
||
idx = index[dev] + i;
|
||
snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i);
|
||
card = snd_card_new(idx, tmpid, THIS_MODULE, 0);
|
||
|
||
if (! card) {
|
||
snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
|
||
snd_mixart_free(mgr);
|
||
return -ENOMEM;
|
||
}
|
||
|
||
strcpy(card->driver, CARD_NAME);
|
||
sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
|
||
sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
|
||
|
||
if ((err = snd_mixart_create(mgr, card, i)) < 0) {
|
||
snd_mixart_free(mgr);
|
||
return err;
|
||
}
|
||
|
||
if(i==0) {
|
||
/* init proc interface only for chip0 */
|
||
snd_mixart_proc_init(mgr->chip[i]);
|
||
}
|
||
|
||
if ((err = snd_card_register(card)) < 0) {
|
||
snd_mixart_free(mgr);
|
||
return err;
|
||
}
|
||
}
|
||
|
||
/* init firmware status (mgr->dsp_loaded reset in hwdep_new) */
|
||
mgr->board_type = MIXART_DAUGHTER_TYPE_NONE;
|
||
|
||
/* create array of streaminfo */
|
||
size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * sizeof(mixart_flowinfo_t)) );
|
||
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
|
||
size, &mgr->flowinfo) < 0) {
|
||
snd_mixart_free(mgr);
|
||
return -ENOMEM;
|
||
}
|
||
/* init streaminfo_array */
|
||
memset(mgr->flowinfo.area, 0, size);
|
||
|
||
/* create array of bufferinfo */
|
||
size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * sizeof(mixart_bufferinfo_t)) );
|
||
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
|
||
size, &mgr->bufferinfo) < 0) {
|
||
snd_mixart_free(mgr);
|
||
return -ENOMEM;
|
||
}
|
||
/* init bufferinfo_array */
|
||
memset(mgr->bufferinfo.area, 0, size);
|
||
|
||
/* set up firmware */
|
||
err = snd_mixart_setup_firmware(mgr);
|
||
if (err < 0) {
|
||
snd_mixart_free(mgr);
|
||
return err;
|
||
}
|
||
|
||
pci_set_drvdata(pci, mgr);
|
||
dev++;
|
||
return 0;
|
||
}
|
||
|
||
static void __devexit snd_mixart_remove(struct pci_dev *pci)
|
||
{
|
||
snd_mixart_free(pci_get_drvdata(pci));
|
||
pci_set_drvdata(pci, NULL);
|
||
}
|
||
|
||
static struct pci_driver driver = {
|
||
.name = "Digigram miXart",
|
||
.id_table = snd_mixart_ids,
|
||
.probe = snd_mixart_probe,
|
||
.remove = __devexit_p(snd_mixart_remove),
|
||
};
|
||
|
||
static int __init alsa_card_mixart_init(void)
|
||
{
|
||
return pci_register_driver(&driver);
|
||
}
|
||
|
||
static void __exit alsa_card_mixart_exit(void)
|
||
{
|
||
pci_unregister_driver(&driver);
|
||
}
|
||
|
||
module_init(alsa_card_mixart_init)
|
||
module_exit(alsa_card_mixart_exit)
|