static int mixart_enum_physio(mixart_mgr_t *mgr)
{
	u32 k;
	int err;
	mixart_msg_t request;
	mixart_uid_t get_console_mgr;
	mixart_return_uid_t console_mgr;
	mixart_uid_enumeration_t 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 = (mixart_uid_t){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;
	}

	snd_assert(phys_io.nb_uid >= (MIXART_MAX_CARDS * 2),  return -EINVAL); /* min 2 phys io per card (analog in + analog out) */

	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(mixart_mgr_t *mgr)
{
	u32 k;
	int err;
	mixart_msg_t 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 = (mixart_uid_t){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;
}
Beispiel #3
0
static int mixart_update_monitoring(struct snd_mixart* chip, int channel)
{
	int err;
	struct mixart_msg request;
	struct mixart_set_out_audio_level audio_level;
	u32 resp;

	if(chip->pipe_out_ana.status == PIPE_UNDEFINED)
		return -EINVAL; /* no pipe defined */

	if(!channel)	request.uid = chip->pipe_out_ana.uid_left_connector;
	else		request.uid = chip->pipe_out_ana.uid_right_connector;
	request.message_id = MSG_CONNECTOR_SET_OUT_AUDIO_LEVEL;
	request.data = &audio_level;
	request.size = sizeof(audio_level);

	memset(&audio_level, 0, sizeof(audio_level));
	audio_level.valid_mask1 = MIXART_AUDIO_LEVEL_MONITOR_MASK | MIXART_AUDIO_LEVEL_MUTE_M1_MASK;
	audio_level.monitor_level = mixart_digital_level[chip->monitoring_volume[channel!=0]];
	audio_level.monitor_mute1 = !chip->monitoring_active[channel!=0];

	err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp);
	if((err<0) || resp) {
		snd_printk(KERN_DEBUG "error MSG_CONNECTOR_SET_OUT_AUDIO_LEVEL card(%d) resp(%x)\n", chip->chip_idx, resp);
		return -EINVAL;
	}
	return 0;
}
Beispiel #4
0
static int mixart_update_analog_audio_level(struct snd_mixart* chip, int is_capture)
{
	int i, err;
	struct mixart_msg request;
	struct mixart_io_level io_level;
	struct mixart_return_uid resp;

	memset(&io_level, 0, sizeof(io_level));
	io_level.channel = -1; /* left and right */

	for(i=0; i<2; i++) {
		if(is_capture) {
			io_level.level[i].analog_level = mixart_analog_level[chip->analog_capture_volume[i]];
		} else {
			if(chip->analog_playback_active[i])
				io_level.level[i].analog_level = mixart_analog_level[chip->analog_playback_volume[i]];
			else
				io_level.level[i].analog_level = mixart_analog_level[MIXART_ANALOG_PLAYBACK_LEVEL_MIN];
		}
	}

	if(is_capture)	request.uid = chip->uid_in_analog_physio;
	else		request.uid = chip->uid_out_analog_physio;
	request.message_id = MSG_PHYSICALIO_SET_LEVEL;
	request.data = &io_level;
	request.size = sizeof(io_level);

	err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp);
	if((err<0) || (resp.error_code)) {
		snd_printk(KERN_DEBUG "error MSG_PHYSICALIO_SET_LEVEL card(%d) is_capture(%d) error_code(%x)\n", chip->chip_idx, is_capture, resp.error_code);
		return -EINVAL;
	}
	return 0;
}
Beispiel #5
0
int snd_mixart_kill_ref_pipe( mixart_mgr_t *mgr, mixart_pipe_t *pipe, int monitoring)
{
	int err = 0;

	if(pipe->status == PIPE_UNDEFINED)
		return 0;

	if(monitoring)
		pipe->monitoring = 0;
	else
		pipe->references--;

	if((pipe->references <= 0) && (pipe->monitoring == 0)) {

		mixart_msg_t request;
		mixart_delete_group_resp_t delete_resp;

		/* release the clock */
		err = mixart_set_clock( mgr, pipe, 0);
		if( err < 0 ) {
			snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n");
		}

		/* stop the pipe */
		err = mixart_set_pipe_state(mgr, pipe, 0);
		if( err < 0 ) {
			snd_printk(KERN_ERR "error stopping pipe!\n");
		}

		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;
}
Beispiel #6
0
static int mixart_set_clock(mixart_mgr_t *mgr, mixart_pipe_t *pipe, unsigned int rate)
{
	mixart_msg_t request;
	mixart_clock_properties_t clock_properties;
	mixart_clock_properties_resp_t clock_prop_resp;
	int err;

	switch(pipe->status) {
	case PIPE_CLOCK_SET:
		break;
	case PIPE_RUNNING:
		if(rate != 0)
			break;
	default:
		if(rate == 0)
			return 0; /* nothing to do */
		else {
			snd_printk(KERN_ERR "error mixart_set_clock(%d) called with wrong pipe->status !\n", rate);
			return -EINVAL;
		}
	}

	memset(&clock_properties, 0, sizeof(clock_properties));
	clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK;
	clock_properties.clock_mode = CM_STANDALONE;
	clock_properties.frequency = rate;
	clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */
	clock_properties.uid_caller[0] = pipe->group_uid;

	snd_printdd("mixart_set_clock to %d kHz\n", rate);

	request.message_id = MSG_CLOCK_SET_PROPERTIES;
	request.uid = mgr->uid_console_manager;
	request.data = &clock_properties;
	request.size = sizeof(clock_properties);

	err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp);
	if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) {
		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);
		return -EINVAL;
	}

	if(rate)  pipe->status = PIPE_CLOCK_SET;
	else      pipe->status = PIPE_RUNNING;

	return 0;
}
Beispiel #7
0
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))
			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);
}
Beispiel #8
0
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 e
static int mixart_set_pipe_state(struct mixart_mgr *mgr,
				 struct mixart_pipe *pipe, int start)
{
	struct mixart_group_state_req group_state;
	struct mixart_group_state_resp group_state_resp;
	struct mixart_msg request;
	int err;
	u32 system_msg_uid;

	switch(pipe->status) {
	case PIPE_RUNNING:
	case PIPE_CLOCK_SET:
		if(start) return 0; /* already started */
		break;
	case PIPE_STOPPED:
		if(!start) return 0; /* already stopped */
		break;
	default:
		snd_printk(KERN_ERR "error mixart_set_pipe_state called with wrong pipe->status!\n");
		return -EINVAL;      /* function called with wrong pipe status */
	}

	system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */

	/* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */

	request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD;
	request.uid = (struct mixart_uid){0,0};
	request.data = &system_msg_uid;
	request.size = sizeof(system_msg_uid);

	err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid);
	if(err) {
		snd_printk(KERN_ERR "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n");
		return err;
	}

	/* start or stop the pipe (1 pipe) */

	memset(&group_state, 0, sizeof(group_state));
	group_state.pipe_count = 1;
	group_state.pipe_uid[0] = pipe->group_uid;

	if(start)
		request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET;
	else
		request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET;

	request.uid = pipe->group_uid; /*(struct mixart_uid){0,0};*/
	request.data = &group_state;
	request.size = sizeof(group_state);

	err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
	if (err < 0 || group_state_resp.txx_status != 0) {
		snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
		return -EINVAL;
	}

	if(start) {
		u32 stat;

		group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */

		err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
		if (err < 0 || group_state_resp.txx_status != 0) {
			snd_printk(KERN_ERR "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
 			return -EINVAL;
		}

		/* in case of start send a synchro top */

		request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
		request.uid = (struct mixart_uid){0,0};
		request.data = NULL;
		request.size = 0;

		err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat);
		if (err < 0 || stat != 0) {
			snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", err, stat);
			return -EINVAL;
		}

		pipe->status = PIPE_RUNNING;
	}
	else /* !start */
		pipe->status = PIPE_STOPPED;

	return 0;
}


static int mixart_set_clock(struct mixart_mgr *mgr,
			    struct mixart_pipe *pipe, unsigned int rate)
{
	struct mixart_msg request;
	struct mixart_clock_properties clock_properties;
	struct mixart_clock_properties_resp clock_prop_resp;
	int err;

	switch(pipe->status) {
	case PIPE_CLOCK_SET:
		break;
	case PIPE_RUNNING:
		if(rate != 0)
			break;
	default:
		if(rate == 0)
			return 0; /* nothing to do */
		else {
			snd_printk(KERN_ERR "error mixart_set_clock(%d) called with wrong pipe->status !\n", rate);
			return -EINVAL;
		}
	}

	memset(&clock_properties, 0, sizeof(clock_properties));
	clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK;
	clock_properties.clock_mode = CM_STANDALONE;
	clock_properties.frequency = rate;
	clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */
	clock_properties.uid_caller[0] = pipe->group_uid;

	snd_printdd("mixart_set_clock to %d kHz\n", rate);

	request.message_id = MSG_CLOCK_SET_PROPERTIES;
	request.uid = mgr->uid_console_manager;
	request.data = &clock_properties;
	request.size = sizeof(clock_properties);

	err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp);
	if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) {
		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);
		return -EINVAL;
	}

	if(rate)  pipe->status = PIPE_CLOCK_SET;
	else      pipe->status = PIPE_RUNNING;

	return 0;
}


/*
 *  Allocate or reference output pipe for analog IOs (pcmp0/1)
 */
struct mixart_pipe *
snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture,
			int monitoring)
{
	int stream_count;
	struct mixart_pipe *pipe;
	struct mixart_msg request;

	if(capture) {
		if (pcm_number == MIXART_PCM_ANALOG) {
			pipe = &(chip->pipe_in_ana);  /* analog inputs */
		} else {
			pipe = &(chip->pipe_in_dig); /* digital inputs */
		}
		request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP;
		stream_count = MIXART_CAPTURE_STREAMS;
	} else {
		if (pcm_number == MIXART_PCM_ANALOG) {
			pipe = &(chip->pipe_out_ana);  /* analog outputs */
		} else {
			pipe = &(chip->pipe_out_dig);  /* digital outputs */
		}
		request.message_id = MSG_STREAM_ADD_INPUT_GROUP;
		stream_count = MIXART_PLAYBACK_STREAMS;
	}

	/* a new stream is opened and there are already all streams in use */
	if( (monitoring == 0) && (pipe->references >= stream_count) ) {
		return NULL;
	}

	/* pipe is not yet defined */
	if( pipe->status == PIPE_UNDEFINED ) {
		int err, i;
		struct {
			struct mixart_streaming_group_req sgroup_req;
			struct mixart_streaming_group sgroup_resp;
		} *buf;

		snd_printdd("add_ref_pipe audio chip(%d) pcm(%d)\n", chip->chip_idx, pcm_number);

		buf = kmalloc(sizeof(*buf), GFP_KERNEL);
		if (!buf)
			return NULL;

		request.uid = (struct mixart_uid){0,0};      /* should be StreamManagerUID, but zero is OK if there is only one ! */
		request.data = &buf->sgroup_req;
		request.size = sizeof(buf->sgroup_req);

		memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req));

		buf->sgroup_req.stream_count = stream_count;
		buf->sgroup_req.channel_count = 2;
		buf->sgroup_req.latency = 256;
		buf->sgroup_req.connector = pipe->uid_left_connector;  /* the left connector */

		for (i=0; i<stream_count; i++) {
			int j;
			struct mixart_flowinfo *flowinfo;
			struct mixart_bufferinfo *bufferinfo;
			
			/* we don't yet know the format, so config 16 bit pcm audio for instance */
			buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024;
			buf->sgroup_req.stream_info[i].size_max_sample_frame = 256;
			buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */

			/* find the right bufferinfo_array */
			j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i;
			if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */

			buf->sgroup_req.flow_entry[i] = j;

			flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area;
			flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(struct mixart_bufferinfo));
			flowinfo[j].bufferinfo_count = 1;               /* 1 will set the miXart to ring-buffer mode ! */

			bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
			bufferinfo[j].buffer_address = 0;               /* buffer is not yet allocated */
			bufferinfo[j].available_length = 0;             /* buffer is not yet allocated */

			/* construct the identifier of the stream buffer received in the interrupts ! */
			bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i;
			if(capture) {
				bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK;
			}
		}

		err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp);
		if((err < 0) || (buf->sgroup_resp.status != 0)) {
			snd_printk(KERN_ERR "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", err, buf->sgroup_resp.status);
			kfree(buf);
			return NULL;
		}

		pipe->group_uid = buf->sgroup_resp.group;     /* id of the pipe, as returned by embedded */
		pipe->stream_count = buf->sgroup_resp.stream_count;
		/* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */

		pipe->status = PIPE_STOPPED;
		kfree(buf);
	}

	if(monitoring)	pipe->monitoring = 1;
	else		pipe->references++;

	return pipe;
}
int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr,
			     struct mixart_pipe *pipe, int monitoring)
{
	int err = 0;

	if(pipe->status == PIPE_UNDEFINED)
		return 0;

	if(monitoring)
		pipe->monitoring = 0;
	else
		pipe->references--;

	if((pipe->references <= 0) && (pipe->monitoring == 0)) {

		struct mixart_msg request;
		struct mixart_delete_group_resp delete_resp;

		/* release the clock */
		err = mixart_set_clock( mgr, pipe, 0);
		if( err < 0 ) {
			snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n");
		}

		/* stop the pipe */
		err = mixart_set_pipe_state(mgr, pipe, 0);
		if( err < 0 ) {
			snd_printk(KERN_ERR "error stopping pipe!\n");
		}

		request.message_id = MSG_STREAM_DELETE_GROUP;
		request.uid = (struct mixart_uid){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 = (struct mixart_uid){0,0};
		pipe->stream_count = 0;
		pipe->status = PIPE_UNDEFINED;
	}

	return err;
}

static int mixart_set_stream_state(struct mixart_stream *stream, int start)
{
	struct snd_mixart *chip;
	struct mixart_stream_state_req stream_state_req;
	struct mixart_msg 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 = (struct mixart_uid){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(struct snd_pcm_substream *subs, int cmd)
{
	struct mixart_stream *stream = 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(struct mixart_mgr *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(struct snd_pcm_substream *subs)
{
	struct snd_mixart *chip = snd_pcm_substream_chip(subs);
	struct mixart_stream *stream = subs->runtime->private_data;

	/* TODO de façon non bloquante, réappliquer 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(struct mixart_stream *stream, snd_pcm_format_t format)
{
	int err;
	struct snd_mixart *chip;
	struct mixart_msg request;
	struct mixart_stream_param_desc stream_param;
	struct mixart_return_uid 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 = (struct mixart_uid){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(struct snd_pcm_substream *subs,
                                struct snd_pcm_hw_params *hw)
{
	struct snd_mixart *chip = snd_pcm_substream_chip(subs);
	struct mixart_mgr *mgr = chip->mgr;
	struct mixart_stream *stream = 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);

	mutex_lock(&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) {
		mutex_unlock(&mgr->setup_mutex);
		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);
	}
	mutex_unlock(&mgr->setup_mutex);

	return err;
}

static int snd_mixart_hw_free(struct snd_pcm_substream *subs)
{
	struct snd_mixart *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 struct snd_pcm_hardware snd_mixart_analog_caps =
{
	.info             = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
			      SNDRV_PCM_INFO_MMAP_VALID |
			      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 struct snd_pcm_hardware snd_mixart_digital_caps =
{
	.info             = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
			      SNDRV_PCM_INFO_MMAP_VALID |
			      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(struct snd_pcm_substream *subs)
{
	struct snd_mixart            *chip = snd_pcm_substream_chip(subs);
	struct mixart_mgr        *mgr = chip->mgr;
	struct snd_pcm_runtime *runtime = subs->runtime;
	struct snd_pcm *pcm = subs->pcm;
	struct mixart_stream     *stream;
	struct mixart_pipe       *pipe;
	int err = 0;
	int pcm_number;

	mutex_lock(&mgr->setup_mutex);

	if ( pcm == chip->pcm ) {
		pcm_number = MIXART_PCM_ANALOG;
		runtime->hw = snd_mixart_analog_caps;
	} else {
		snd_BUG_ON(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:
	mutex_unlock(&mgr->setup_mutex);

	return err;
}


static int snd_mixart_capture_open(struct snd_pcm_substream *subs)
{
	struct snd_mixart            *chip = snd_pcm_substream_chip(subs);
	struct mixart_mgr        *mgr = chip->mgr;
	struct snd_pcm_runtime *runtime = subs->runtime;
	struct snd_pcm *pcm = subs->pcm;
	struct mixart_stream     *stream;
	struct mixart_pipe       *pipe;
	int err = 0;
	int pcm_number;

	mutex_lock(&mgr->setup_mutex);

	if ( pcm == chip->pcm ) {
		pcm_number = MIXART_PCM_ANALOG;
		runtime->hw = snd_mixart_analog_caps;
	} else {
		snd_BUG_ON(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:
	mutex_unlock(&mgr->setup_mutex);

	return err;
}



static int snd_mixart_close(struct snd_pcm_substream *subs)
{
	struct snd_mixart *chip = snd_pcm_substream_chip(subs);
	struct mixart_mgr *mgr = chip->mgr;
	struct mixart_stream *stream = subs->runtime->private_data;

	mutex_lock(&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;

	mutex_unlock(&mgr->setup_mutex);
	return 0;
}


static snd_pcm_uframes_t snd_mixart_stream_pointer(struct snd_pcm_substream *subs)
{
	struct snd_pcm_runtime *runtime = subs->runtime;
	struct mixart_stream   *stream  = runtime->private_data;

	return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag);
}



static struct snd_pcm_ops 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 struct snd_pcm_ops 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(struct snd_mixart *chip, struct snd_pcm *pcm)
{
#if 0
	struct snd_pcm_substream *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(struct snd_mixart *chip)
{
	int err;
	struct snd_pcm *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(struct snd_mixart *chip)
{
	int err;
	struct snd_pcm *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(struct snd_mixart *chip)
{
	kfree(chip);
	return 0;
}

static int snd_mixart_chip_dev_free(struct snd_device *device)
{
	struct snd_mixart *chip = device->device_data;
	return snd_mixart_chip_free(chip);
}


/*
 */
static int __devinit snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *card, int idx)
{
	int err;
	struct snd_mixart *chip;
	static struct snd_device_ops ops = {
		.dev_free = snd_mixart_chip_dev_free,
	};

	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;
	}

	mgr->chip[idx] = chip;
	snd_card_set_dev(card, &mgr->pci->dev);

	return 0;
}
Beispiel #11
0
static int mixart_set_pipe_state(mixart_mgr_t *mgr, mixart_pipe_t* pipe, int start)
{
	mixart_group_state_req_t group_state;
	mixart_group_state_resp_t group_state_resp;
	mixart_msg_t request;
	int err;
	u32 system_msg_uid;

	switch(pipe->status) {
	case PIPE_RUNNING:
	case PIPE_CLOCK_SET:
		if(start) return 0; /* already started */
		break;
	case PIPE_STOPPED:
		if(!start) return 0; /* already stopped */
		break;
	default:
		snd_printk(KERN_ERR "error mixart_set_pipe_state called with wrong pipe->status!\n");
		return -EINVAL;      /* function called with wrong pipe status */
	}

	system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */

	/* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */

	request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD;
	request.uid = (mixart_uid_t){0,0};
	request.data = &system_msg_uid;
	request.size = sizeof(system_msg_uid);

	err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid);
	if(err) {
		snd_printk(KERN_ERR "error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n");
		return err;
	}

	/* start or stop the pipe (1 pipe) */

	memset(&group_state, 0, sizeof(group_state));
	group_state.pipe_count = 1;
	group_state.pipe_uid[0] = pipe->group_uid;

	if(start)
		request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET;
	else
		request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET;

	request.uid = pipe->group_uid; /*(mixart_uid_t){0,0};*/
	request.data = &group_state;
	request.size = sizeof(group_state);

	err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
	if (err < 0 || group_state_resp.txx_status != 0) {
		snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
		return -EINVAL;
	}

	if(start) {
		u32 stat;

		group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */

		err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp);
		if (err < 0 || group_state_resp.txx_status != 0) {
			snd_printk(KERN_ERR "error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status);
 			return -EINVAL;
		}

		/* in case of start send a synchro top */

		request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
		request.uid = (mixart_uid_t){0,0};
		request.data = NULL;
		request.size = 0;

		err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat);
		if (err < 0 || stat != 0) {
			snd_printk(KERN_ERR "error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", err, stat);
			return -EINVAL;
		}

		pipe->status = PIPE_RUNNING;
	}
	else /* !start */
		pipe->status = PIPE_STOPPED;

	return 0;
}
Beispiel #12
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;
}
Beispiel #13
0
/*
 *  Allocate or reference output pipe for analog IOs (pcmp0/1)
 */
mixart_pipe_t* snd_mixart_add_ref_pipe( mixart_t *chip, int pcm_number, int capture, int monitoring)
{
	int stream_count;
	mixart_pipe_t *pipe;
	mixart_msg_t request;

	if(capture) {
		if (pcm_number == MIXART_PCM_ANALOG) {
			pipe = &(chip->pipe_in_ana);  /* analog inputs */
		} else {
			pipe = &(chip->pipe_in_dig); /* digital inputs */
		}
		request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP;
		stream_count = MIXART_CAPTURE_STREAMS;
	} else {
		if (pcm_number == MIXART_PCM_ANALOG) {
			pipe = &(chip->pipe_out_ana);  /* analog outputs */
		} else {
			pipe = &(chip->pipe_out_dig);  /* digital outputs */
		}
		request.message_id = MSG_STREAM_ADD_INPUT_GROUP;
		stream_count = MIXART_PLAYBACK_STREAMS;
	}

	/* a new stream is opened and there are already all streams in use */
	if( (monitoring == 0) && (pipe->references >= stream_count) ) {
		return NULL;
	}

	/* pipe is not yet defined */
	if( pipe->status == PIPE_UNDEFINED ) {
		int err, i;
		struct {
			mixart_streaming_group_req_t sgroup_req;
			mixart_streaming_group_t sgroup_resp;
		} *buf;

		snd_printdd("add_ref_pipe audio chip(%d) pcm(%d)\n", chip->chip_idx, pcm_number);

		buf = kmalloc(sizeof(*buf), GFP_KERNEL);
		if (!buf)
			return NULL;

		request.uid = (mixart_uid_t){0,0};      /* should be StreamManagerUID, but zero is OK if there is only one ! */
		request.data = &buf->sgroup_req;
		request.size = sizeof(buf->sgroup_req);

		memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req));

		buf->sgroup_req.stream_count = stream_count;
		buf->sgroup_req.channel_count = 2;
		buf->sgroup_req.latency = 256;
		buf->sgroup_req.connector = pipe->uid_left_connector;  /* the left connector */

		for (i=0; i<stream_count; i++) {
			int j;
			struct mixart_flowinfo *flowinfo;
			struct mixart_bufferinfo *bufferinfo;
			
			/* we don't yet know the format, so config 16 bit pcm audio for instance */
			buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024;
			buf->sgroup_req.stream_info[i].size_max_sample_frame = 256;
			buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */

			/* find the right bufferinfo_array */
			j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i;
			if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */

			buf->sgroup_req.flow_entry[i] = j;

			flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area;
			flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(mixart_bufferinfo_t));
			flowinfo[j].bufferinfo_count = 1;               /* 1 will set the miXart to ring-buffer mode ! */

			bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area;
			bufferinfo[j].buffer_address = 0;               /* buffer is not yet allocated */
			bufferinfo[j].available_length = 0;             /* buffer is not yet allocated */

			/* construct the identifier of the stream buffer received in the interrupts ! */
			bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i;
			if(capture) {
				bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK;
			}
		}

		err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp);
		if((err < 0) || (buf->sgroup_resp.status != 0)) {
			snd_printk(KERN_ERR "error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", err, buf->sgroup_resp.status);
			kfree(buf);
			return NULL;
		}

		pipe->group_uid = buf->sgroup_resp.group;     /* id of the pipe, as returned by embedded */
		pipe->stream_count = buf->sgroup_resp.stream_count;
		/* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */

		pipe->status = PIPE_STOPPED;
		kfree(buf);
	}

	if(monitoring)	pipe->monitoring = 1;
	else		pipe->references++;

	return pipe;
}
static int mixart_enum_connectors(mixart_mgr_t *mgr)
{
	u32 k;
	int err;
	mixart_msg_t request;
	mixart_enum_connector_resp_t *connector;
	mixart_audio_info_req_t  *audio_info_req;
	mixart_audio_info_resp_t *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 = (mixart_uid_t){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++) {
		mixart_pipe_t* 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 = (mixart_uid_t){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++) {
		mixart_pipe_t* 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;
}
Beispiel #15
0
int mixart_update_playback_stream_level(struct snd_mixart* chip, int is_aes, int idx)
{
	int err, i;
	int volume[2];
	struct mixart_msg request;
	struct mixart_set_out_stream_level_req set_level;
	u32 status;
	struct mixart_pipe *pipe;

	memset(&set_level, 0, sizeof(set_level));
	set_level.nb_of_stream = 1;
	set_level.stream_level.desc.stream_idx = idx;

	if(is_aes) {
		pipe = &chip->pipe_out_dig;	/* AES playback */
		idx += MIXART_PLAYBACK_STREAMS;
	} else {
		pipe = &chip->pipe_out_ana;	/* analog playback */
	}

	/* only when pipe exists ! */
	if(pipe->status == PIPE_UNDEFINED)
		return 0;

	set_level.stream_level.desc.uid_pipe = pipe->group_uid;

	for(i=0; i<2; i++) {
		if(chip->digital_playback_active[idx][i])
			volume[i] = chip->digital_playback_volume[idx][i];
		else
			volume[i] = MIXART_DIGITAL_LEVEL_MIN;
	}

	set_level.stream_level.out_level.valid_mask1 = MIXART_OUT_STREAM_SET_LEVEL_LEFT_AUDIO1 | MIXART_OUT_STREAM_SET_LEVEL_RIGHT_AUDIO2;
	set_level.stream_level.out_level.left_to_out1_level = mixart_digital_level[volume[0]];
	set_level.stream_level.out_level.right_to_out2_level = mixart_digital_level[volume[1]];

	request.message_id = MSG_STREAM_SET_OUT_STREAM_LEVEL;
	request.uid = (struct mixart_uid){0,0};
	request.data = &set_level;
	request.size = sizeof(set_level);

	err = snd_mixart_send_msg(chip->mgr, &request, sizeof(status), &status);
	if((err<0) || status) {
		snd_printk(KERN_DEBUG "error MSG_STREAM_SET_OUT_STREAM_LEVEL card(%d) status(%x)\n", chip->chip_idx, status);
		return -EINVAL;
	}
	return 0;
}

int mixart_update_capture_stream_level(struct snd_mixart* chip, int is_aes)
{
	int err, i, idx;
	struct mixart_pipe *pipe;
	struct mixart_msg request;
	struct mixart_set_in_audio_level_req set_level;
	u32 status;

	if(is_aes) {
		idx = 1;
		pipe = &chip->pipe_in_dig;
	} else {
		idx = 0;
		pipe = &chip->pipe_in_ana;
	}

	/* only when pipe exists ! */
	if(pipe->status == PIPE_UNDEFINED)
		return 0;

	memset(&set_level, 0, sizeof(set_level));
	set_level.audio_count = 2;
	set_level.level[0].connector = pipe->uid_left_connector;
	set_level.level[1].connector = pipe->uid_right_connector;

	for(i=0; i<2; i++) {
		set_level.level[i].valid_mask1 = MIXART_AUDIO_LEVEL_DIGITAL_MASK;
		set_level.level[i].digital_level = mixart_digital_level[chip->digital_capture_volume[idx][i]];
	}

	request.message_id = MSG_STREAM_SET_IN_AUDIO_LEVEL;
	request.uid = (struct mixart_uid){0,0};
	request.data = &set_level;
	request.size = sizeof(set_level);

	err = snd_mixart_send_msg(chip->mgr, &request, sizeof(status), &status);
	if((err<0) || status) {
		snd_printk(KERN_DEBUG "error MSG_STREAM_SET_IN_AUDIO_LEVEL card(%d) status(%x)\n", chip->chip_idx, status);
		return -EINVAL;
	}
	return 0;
}


/* shared */
static int mixart_digital_vol_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 2;
	uinfo->value.integer.min = MIXART_DIGITAL_LEVEL_MIN;   /* -109.5 dB */
	uinfo->value.integer.max = MIXART_DIGITAL_LEVEL_MAX;   /*   18.0 dB */
	return 0;
}
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};  
	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];   
		} else {
			pipe->uid_left_connector = connector->uid[k];    
		}

		

		
		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;
		}
		
	}

	request.message_id = MSG_SYSTEM_ENUM_RECORD_CONNECTOR;
	request.uid = (struct mixart_uid){0,0};  
	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];   
		} else {
			pipe->uid_left_connector = connector->uid[k];    
		}

		

		
		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;
		}
		
	}
	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_console_mgr.object_id = 0;
	get_console_mgr.desc = MSG_CONSOLE_MANAGER | 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;
	}

	
	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;
	}

	
	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;

	
	
	request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD;
	request.uid = (struct mixart_uid){0,0};
	request.data = NULL;
	request.size = 0;
	
	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;
}


#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;

	
	status_xilinx = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));
	
	status_elf = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));
	
	status_daught = readl_be( MIXART_MEM( mgr,MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));

	
	if (status_xilinx == 5) {
		snd_printk(KERN_ERR "miXart is resetting !\n");
		return -EAGAIN; 
	}

	switch (index)   {
	case MIXART_MOTHERBOARD_XLX_INDEX:

		 
		if (status_xilinx == 4) {
			snd_printk(KERN_DEBUG "xilinx is already loaded !\n");
			return 0;
		}
		
		if (status_xilinx != 0) {
			snd_printk(KERN_ERR "xilinx load error ! status = %d\n",
				   status_xilinx);
			return -EIO; 
		}

		
		if (((u32*)(dsp->data))[0] == 0xffffffff)
			return -EINVAL;
		if (dsp->size % 4)
			return -EINVAL;

		
		writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));

		
		writel_be( MIXART_MOTHERBOARD_XLX_BASE_ADDRESS, MIXART_MEM( mgr,MIXART_PSEUDOREG_MXLX_BASE_ADDR_OFFSET ));
		
		writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_SIZE_OFFSET ));

		
		memcpy_toio(  MIXART_MEM( mgr, MIXART_MOTHERBOARD_XLX_BASE_ADDRESS),  dsp->data,  dsp->size);
    
		
		writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET ));

		
		return 0;

	case MIXART_MOTHERBOARD_ELF_INDEX:

		if (status_elf == 4) {
			snd_printk(KERN_DEBUG "elf file already loaded !\n");
			return 0;
		}

		
		if (status_elf != 0) {
			snd_printk(KERN_ERR "elf load error ! status = %d\n",
				   status_elf);
			return -EIO; 
		}

		
		err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_MXLX_STATUS_OFFSET, 1, 4, 500); 
		if (err < 0) {
			snd_printk(KERN_ERR "xilinx was not loaded or "
				   "could not be started\n");
			return err;
		}

		
		writel_be( 0, MIXART_MEM( mgr, MIXART_PSEUDOREG_BOARDNUMBER ) ); 
		writel_be( 0, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) );         

		
		writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));

		
		err = mixart_load_elf( mgr, dsp );
		if (err < 0) return err;

		
		writel_be( 2, MIXART_MEM( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET ));

		
		err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_ELF_STATUS_OFFSET, 1, 4, 300); 
		if (err < 0) {
			snd_printk(KERN_ERR "elf could not be started\n");
			return err;
		}

		
		writel_be( (u32)mgr->flowinfo.addr, MIXART_MEM( mgr, MIXART_FLOWTABLE_PTR ) ); 

		return 0;  

	case MIXART_AESEBUBOARD_XLX_INDEX:
	default:

		
		if (status_elf != 4 || status_xilinx != 4) {
			printk(KERN_ERR "xilinx or elf not "
			       "successfully loaded\n");
			return -EIO; 
		}

		
		err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DBRD_PRESENCE_OFFSET, 0, 0, 30); 
		if (err < 0) {
			snd_printk(KERN_ERR "error starting elf file\n");
			return err;
		}

		
		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;  

		 
		if (mgr->board_type != MIXART_DAUGHTER_TYPE_AES )
			return -EINVAL;

		
		if (status_daught != 0) {
			printk(KERN_ERR "daughter load error ! status = %d\n",
			       status_daught);
			return -EIO; 
		}
 
		
		if (((u32*)(dsp->data))[0] == 0xffffffff)
			return -EINVAL;
		if (dsp->size % 4)
			return -EINVAL;

		
		writel_be( dsp->size, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_SIZE_OFFSET ));

		
		writel_be( 1, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));

		
		err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 2, 30); 
		if (err < 0) {
			snd_printk(KERN_ERR "daughter board load error\n");
			return err;
		}

		
		val = readl_be( MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_BASE_ADDR_OFFSET ));
		if (!val)
			return -EINVAL;

		
		memcpy_toio(  MIXART_MEM( mgr, val),  dsp->data,  dsp->size);

		
		writel_be( 4, MIXART_MEM( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET ));

		
		break;
	} 

        
        err = mixart_wait_nice_for_register_value( mgr, MIXART_PSEUDOREG_DXLX_STATUS_OFFSET, 1, 3, 300); 
        if (err < 0) {
		snd_printk(KERN_ERR
			   "daughter board could not be initialised\n");
		return err;
	}

	
	snd_mixart_init_mailbox(mgr);

	
	err = mixart_first_init(mgr);
        if (err < 0) {
		snd_printk(KERN_ERR "miXart could not be set up\n");
		return err;
	}

       	
        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) 
#define SND_MIXART_FW_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;
		}
		
		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 

#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;

	
	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);
}