diff options
| -rw-r--r-- | sound/usb/6fire/control.c | 105 | ||||
| -rw-r--r-- | sound/usb/6fire/control.h | 17 | ||||
| -rw-r--r-- | sound/usb/6fire/pcm.c | 62 | 
3 files changed, 137 insertions, 47 deletions
diff --git a/sound/usb/6fire/control.c b/sound/usb/6fire/control.c index 24846351118..ac828eff1a6 100644 --- a/sound/usb/6fire/control.c +++ b/sound/usb/6fire/control.c @@ -65,6 +65,15 @@ init_data[] = {  	{ 0 } /* TERMINATING ENTRY */  }; +static const int rates_altsetting[] = { 1, 1, 2, 2, 3, 3 }; +/* values to write to soundcard register for all samplerates */ +static const u16 rates_6fire_vl[] = {0x00, 0x01, 0x00, 0x01, 0x00, 0x01}; +static const u16 rates_6fire_vh[] = {0x11, 0x11, 0x10, 0x10, 0x00, 0x00}; + +enum { +	DIGITAL_THRU_ONLY_SAMPLERATE = 3 +}; +  static void usb6fire_control_master_vol_update(struct control_runtime *rt)  {  	struct comm_runtime *comm_rt = rt->chip->comm; @@ -95,6 +104,67 @@ static void usb6fire_control_opt_coax_update(struct control_runtime *rt)  	}  } +static int usb6fire_control_set_rate(struct control_runtime *rt, int rate) +{ +	int ret; +	struct usb_device *device = rt->chip->dev; +	struct comm_runtime *comm_rt = rt->chip->comm; + +	if (rate < 0 || rate >= CONTROL_N_RATES) +		return -EINVAL; + +	ret = usb_set_interface(device, 1, rates_altsetting[rate]); +	if (ret < 0) +		return ret; + +	/* set soundcard clock */ +	ret = comm_rt->write16(comm_rt, 0x02, 0x01, rates_6fire_vl[rate], +			rates_6fire_vh[rate]); +	if (ret < 0) +		return ret; + +	return 0; +} + +static int usb6fire_control_set_channels( +	struct control_runtime *rt, int n_analog_out, +	int n_analog_in, bool spdif_out, bool spdif_in) +{ +	int ret; +	struct comm_runtime *comm_rt = rt->chip->comm; + +	/* enable analog inputs and outputs +	 * (one bit per stereo-channel) */ +	ret = comm_rt->write16(comm_rt, 0x02, 0x02, +			(1 << (n_analog_out / 2)) - 1, +			(1 << (n_analog_in / 2)) - 1); +	if (ret < 0) +		return ret; + +	/* disable digital inputs and outputs */ +	/* TODO: use spdif_x to enable/disable digital channels */ +	ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x00); +	if (ret < 0) +		return ret; + +	return 0; +} + +static int usb6fire_control_streaming_update(struct control_runtime *rt) +{ +	struct comm_runtime *comm_rt = rt->chip->comm; + +	if (comm_rt) { +		if (!rt->usb_streaming && rt->digital_thru_switch) +			usb6fire_control_set_rate(rt, +				DIGITAL_THRU_ONLY_SAMPLERATE); +		return comm_rt->write16(comm_rt, 0x02, 0x00, 0x00, +			(rt->usb_streaming ? 0x01 : 0x00) | +			(rt->digital_thru_switch ? 0x08 : 0x00)); +	} +	return -EINVAL; +} +  static int usb6fire_control_master_vol_info(struct snd_kcontrol *kcontrol,  		struct snd_ctl_elem_info *uinfo)  { @@ -195,6 +265,28 @@ static int usb6fire_control_opt_coax_get(struct snd_kcontrol *kcontrol,  	return 0;  } +static int usb6fire_control_digital_thru_put(struct snd_kcontrol *kcontrol, +		struct snd_ctl_elem_value *ucontrol) +{ +	struct control_runtime *rt = snd_kcontrol_chip(kcontrol); +	int changed = 0; + +	if (rt->digital_thru_switch != ucontrol->value.integer.value[0]) { +		rt->digital_thru_switch = ucontrol->value.integer.value[0]; +		usb6fire_control_streaming_update(rt); +		changed = 1; +	} +	return changed; +} + +static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol, +		struct snd_ctl_elem_value *ucontrol) +{ +	struct control_runtime *rt = snd_kcontrol_chip(kcontrol); +	ucontrol->value.integer.value[0] = rt->digital_thru_switch; +	return 0; +} +  static struct __devinitdata snd_kcontrol_new elements[] = {  	{  		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, @@ -223,6 +315,15 @@ static struct __devinitdata snd_kcontrol_new elements[] = {  		.get = usb6fire_control_opt_coax_get,  		.put = usb6fire_control_opt_coax_put  	}, +	{ +		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, +		.name = "Digital Thru Playback Route", +		.index = 0, +		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE, +		.info = snd_ctl_boolean_mono_info, +		.get = usb6fire_control_digital_thru_get, +		.put = usb6fire_control_digital_thru_put +	},  	{}  }; @@ -238,6 +339,9 @@ int __devinit usb6fire_control_init(struct sfire_chip *chip)  		return -ENOMEM;  	rt->chip = chip; +	rt->update_streaming = usb6fire_control_streaming_update; +	rt->set_rate = usb6fire_control_set_rate; +	rt->set_channels = usb6fire_control_set_channels;  	i = 0;  	while (init_data[i].type) { @@ -249,6 +353,7 @@ int __devinit usb6fire_control_init(struct sfire_chip *chip)  	usb6fire_control_opt_coax_update(rt);  	usb6fire_control_line_phono_update(rt);  	usb6fire_control_master_vol_update(rt); +	usb6fire_control_streaming_update(rt);  	i = 0;  	while (elements[i].name) { diff --git a/sound/usb/6fire/control.h b/sound/usb/6fire/control.h index b534c777ab0..8f5aeead2e3 100644 --- a/sound/usb/6fire/control.h +++ b/sound/usb/6fire/control.h @@ -21,12 +21,29 @@ enum {  	CONTROL_MAX_ELEMENTS = 32  }; +enum { +	CONTROL_RATE_44KHZ, +	CONTROL_RATE_48KHZ, +	CONTROL_RATE_88KHZ, +	CONTROL_RATE_96KHZ, +	CONTROL_RATE_176KHZ, +	CONTROL_RATE_192KHZ, +	CONTROL_N_RATES +}; +  struct control_runtime { +	int (*update_streaming)(struct control_runtime *rt); +	int (*set_rate)(struct control_runtime *rt, int rate); +	int (*set_channels)(struct control_runtime *rt, int n_analog_out, +		int n_analog_in, bool spdif_out, bool spdif_in); +  	struct sfire_chip *chip;  	struct snd_kcontrol *element[CONTROL_MAX_ELEMENTS];  	bool opt_coax_switch;  	bool line_phono_switch; +	bool digital_thru_switch; +	bool usb_streaming;  	u8 master_vol;  }; diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c index 7ea698793d4..b137b25865c 100644 --- a/sound/usb/6fire/pcm.c +++ b/sound/usb/6fire/pcm.c @@ -17,26 +17,23 @@  #include "pcm.h"  #include "chip.h"  #include "comm.h" +#include "control.h"  enum {  	OUT_N_CHANNELS = 6, IN_N_CHANNELS = 4  };  /* keep next two synced with - * FW_EP_W_MAX_PACKET_SIZE[] and RATES_MAX_PACKET_SIZE */ + * FW_EP_W_MAX_PACKET_SIZE[] and RATES_MAX_PACKET_SIZE + * and CONTROL_RATE_XXX in control.h */  static const int rates_in_packet_size[] = { 228, 228, 420, 420, 404, 404 };  static const int rates_out_packet_size[] = { 228, 228, 420, 420, 604, 604 };  static const int rates[] = { 44100, 48000, 88200, 96000, 176400, 192000 }; -static const int rates_altsetting[] = { 1, 1, 2, 2, 3, 3 };  static const int rates_alsaid[] = {  	SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_48000,  	SNDRV_PCM_RATE_88200, SNDRV_PCM_RATE_96000,  	SNDRV_PCM_RATE_176400, SNDRV_PCM_RATE_192000 }; -/* values to write to soundcard register for all samplerates */ -static const u16 rates_6fire_vl[] = {0x00, 0x01, 0x00, 0x01, 0x00, 0x01}; -static const u16 rates_6fire_vh[] = {0x11, 0x11, 0x10, 0x10, 0x00, 0x00}; -  enum { /* settings for pcm */  	OUT_EP = 6, IN_EP = 2, MAX_BUFSIZE = 128 * 1024  }; @@ -48,15 +45,6 @@ enum { /* pcm streaming states */  	STREAM_STOPPING  }; -enum { /* pcm sample rates (also index into RATES_XXX[]) */ -	RATE_44KHZ, -	RATE_48KHZ, -	RATE_88KHZ, -	RATE_96KHZ, -	RATE_176KHZ, -	RATE_192KHZ -}; -  static const struct snd_pcm_hardware pcm_hw = {  	.info = SNDRV_PCM_INFO_MMAP |  		SNDRV_PCM_INFO_INTERLEAVED | @@ -87,57 +75,34 @@ static const struct snd_pcm_hardware pcm_hw = {  static int usb6fire_pcm_set_rate(struct pcm_runtime *rt)  {  	int ret; -	struct usb_device *device = rt->chip->dev; -	struct comm_runtime *comm_rt = rt->chip->comm; +	struct control_runtime *ctrl_rt = rt->chip->control; -	if (rt->rate >= ARRAY_SIZE(rates)) -		return -EINVAL; -	/* disable streaming */ -	ret = comm_rt->write16(comm_rt, 0x02, 0x00, 0x00, 0x00); +	ctrl_rt->usb_streaming = false; +	ret = ctrl_rt->update_streaming(ctrl_rt);  	if (ret < 0) {  		snd_printk(KERN_ERR PREFIX "error stopping streaming while "  				"setting samplerate %d.\n", rates[rt->rate]);  		return ret;  	} -	ret = usb_set_interface(device, 1, rates_altsetting[rt->rate]); -	if (ret < 0) { -		snd_printk(KERN_ERR PREFIX "error setting interface " -				"altsetting %d for samplerate %d.\n", -				rates_altsetting[rt->rate], rates[rt->rate]); -		return ret; -	} - -	/* set soundcard clock */ -	ret = comm_rt->write16(comm_rt, 0x02, 0x01, rates_6fire_vl[rt->rate], -			rates_6fire_vh[rt->rate]); +	ret = ctrl_rt->set_rate(ctrl_rt, rt->rate);  	if (ret < 0) {  		snd_printk(KERN_ERR PREFIX "error setting samplerate %d.\n",  				rates[rt->rate]);  		return ret;  	} -	/* enable analog inputs and outputs -	 * (one bit per stereo-channel) */ -	ret = comm_rt->write16(comm_rt, 0x02, 0x02, -			(1 << (OUT_N_CHANNELS / 2)) - 1, -			(1 << (IN_N_CHANNELS / 2)) - 1); +	ret = ctrl_rt->set_channels(ctrl_rt, OUT_N_CHANNELS, IN_N_CHANNELS, +			false, false);  	if (ret < 0) { -		snd_printk(KERN_ERR PREFIX "error initializing analog channels " +		snd_printk(KERN_ERR PREFIX "error initializing channels "  				"while setting samplerate %d.\n",  				rates[rt->rate]);  		return ret;  	} -	/* disable digital inputs and outputs */ -	ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x00); -	if (ret < 0) { -		snd_printk(KERN_ERR PREFIX "error initializing digital " -				"channels while setting samplerate %d.\n", -				rates[rt->rate]); -		return ret; -	} -	ret = comm_rt->write16(comm_rt, 0x02, 0x00, 0x00, 0x01); +	ctrl_rt->usb_streaming = true; +	ret = ctrl_rt->update_streaming(ctrl_rt);  	if (ret < 0) {  		snd_printk(KERN_ERR PREFIX "error starting streaming while "  				"setting samplerate %d.\n", rates[rt->rate]); @@ -168,12 +133,15 @@ static struct pcm_substream *usb6fire_pcm_get_substream(  static void usb6fire_pcm_stream_stop(struct pcm_runtime *rt)  {  	int i; +	struct control_runtime *ctrl_rt = rt->chip->control;  	if (rt->stream_state != STREAM_DISABLED) {  		for (i = 0; i < PCM_N_URBS; i++) {  			usb_kill_urb(&rt->in_urbs[i].instance);  			usb_kill_urb(&rt->out_urbs[i].instance);  		} +		ctrl_rt->usb_streaming = false; +		ctrl_rt->update_streaming(ctrl_rt);  		rt->stream_state = STREAM_DISABLED;  	}  }  |