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Merge remote-tracking branches 'asoc/topic/max98095', 'asoc/topic/omap', 'asoc/topic/pxa', 'asoc/topic/qcom' and 'asoc/topic/rcar' into asoc-next

This commit is contained in:
Mark Brown 2015-06-05 18:54:57 +01:00
parent f36795a60d 16f0acd0ca 0574eab363 92ac4c5012 6cc8ae9481 02299d9875
commit a178831a63
24 changed files with 846 additions and 367 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt
View File

@ -4,12 +4,21 @@ This node models the Qualcomm Technologies Low-Power Audio SubSystem (LPASS).
Required properties:
- compatible : "qcom,lpass-cpu"
- compatible : "qcom,lpass-cpu" or "qcom,apq8016-lpass-cpu"
- clocks : Must contain an entry for each entry in clock-names.
- clock-names : A list which must include the following entries:
* "ahbix-clk"
* "mi2s-osr-clk"
* "mi2s-bit-clk"
: required clocks for "qcom,lpass-cpu-apq8016"
* "ahbix-clk"
* "mi2s-bit-clk0"
* "mi2s-bit-clk1"
* "mi2s-bit-clk2"
* "mi2s-bit-clk3"
* "pcnoc-mport-clk"
* "pcnoc-sway-clk"
- interrupts : Must contain an entry for each entry in
interrupt-names.
- interrupt-names : A list which must include the following entries:
@ -22,6 +31,8 @@ Required properties:
- reg-names : A list which must include the following entries:
* "lpass-lpaif"
Optional properties:
- qcom,adsp : Phandle for the audio DSP node

2
Documentation/devicetree/bindings/sound/renesas,rsnd.txt
View File

@ -48,7 +48,7 @@ DAI subnode properties:
Example:
rcar_sound: rcar_sound@ec500000 {
rcar_sound: sound@ec500000 {
#sound-dai-cells = <1>;
compatible = "renesas,rcar_sound-r8a7791", "renesas,rcar_sound-gen2";
reg = <0 0xec500000 0 0x1000>, /* SCU */

37
drivers/dma/sh/rcar-dmac.c
View File

@ -465,6 +465,7 @@ static dma_cookie_t rcar_dmac_tx_submit(struct dma_async_tx_descriptor *tx)
static int rcar_dmac_desc_alloc(struct rcar_dmac_chan *chan, gfp_t gfp)
{
struct rcar_dmac_desc_page *page;
unsigned long flags;
LIST_HEAD(list);
unsigned int i;
@ -482,10 +483,10 @@ static int rcar_dmac_desc_alloc(struct rcar_dmac_chan *chan, gfp_t gfp)
list_add_tail(&desc->node, &list);
}
spin_lock_irq(&chan->lock);
spin_lock_irqsave(&chan->lock, flags);
list_splice_tail(&list, &chan->desc.free);
list_add_tail(&page->node, &chan->desc.pages);
spin_unlock_irq(&chan->lock);
spin_unlock_irqrestore(&chan->lock, flags);
return 0;
}
@ -516,6 +517,7 @@ static void rcar_dmac_desc_put(struct rcar_dmac_chan *chan,
static void rcar_dmac_desc_recycle_acked(struct rcar_dmac_chan *chan)
{
struct rcar_dmac_desc *desc, *_desc;
unsigned long flags;
LIST_HEAD(list);
/*
@ -524,9 +526,9 @@ static void rcar_dmac_desc_recycle_acked(struct rcar_dmac_chan *chan)
* list_for_each_entry_safe, isn't safe if we release the channel lock
* around the rcar_dmac_desc_put() call.
*/
spin_lock_irq(&chan->lock);
spin_lock_irqsave(&chan->lock, flags);
list_splice_init(&chan->desc.wait, &list);
spin_unlock_irq(&chan->lock);
spin_unlock_irqrestore(&chan->lock, flags);
list_for_each_entry_safe(desc, _desc, &list, node) {
if (async_tx_test_ack(&desc->async_tx)) {
@ -539,9 +541,9 @@ static void rcar_dmac_desc_recycle_acked(struct rcar_dmac_chan *chan)
return;
/* Put the remaining descriptors back in the wait list. */
spin_lock_irq(&chan->lock);
spin_lock_irqsave(&chan->lock, flags);
list_splice(&list, &chan->desc.wait);
spin_unlock_irq(&chan->lock);
spin_unlock_irqrestore(&chan->lock, flags);
}
/*
@ -556,12 +558,13 @@ static void rcar_dmac_desc_recycle_acked(struct rcar_dmac_chan *chan)
static struct rcar_dmac_desc *rcar_dmac_desc_get(struct rcar_dmac_chan *chan)
{
struct rcar_dmac_desc *desc;
unsigned long flags;
int ret;
/* Recycle acked descriptors before attempting allocation. */
rcar_dmac_desc_recycle_acked(chan);
spin_lock_irq(&chan->lock);
spin_lock_irqsave(&chan->lock, flags);
while (list_empty(&chan->desc.free)) {
/*
@ -570,17 +573,17 @@ static struct rcar_dmac_desc *rcar_dmac_desc_get(struct rcar_dmac_chan *chan)
* allocated descriptors. If the allocation fails return an
* error.
*/
spin_unlock_irq(&chan->lock);
spin_unlock_irqrestore(&chan->lock, flags);
ret = rcar_dmac_desc_alloc(chan, GFP_NOWAIT);
if (ret < 0)
return NULL;
spin_lock_irq(&chan->lock);
spin_lock_irqsave(&chan->lock, flags);
}
desc = list_first_entry(&chan->desc.free, struct rcar_dmac_desc, node);
list_del(&desc->node);
spin_unlock_irq(&chan->lock);
spin_unlock_irqrestore(&chan->lock, flags);
return desc;
}
@ -593,6 +596,7 @@ static struct rcar_dmac_desc *rcar_dmac_desc_get(struct rcar_dmac_chan *chan)
static int rcar_dmac_xfer_chunk_alloc(struct rcar_dmac_chan *chan, gfp_t gfp)
{
struct rcar_dmac_desc_page *page;
unsigned long flags;
LIST_HEAD(list);
unsigned int i;
@ -606,10 +610,10 @@ static int rcar_dmac_xfer_chunk_alloc(struct rcar_dmac_chan *chan, gfp_t gfp)
list_add_tail(&chunk->node, &list);
}
spin_lock_irq(&chan->lock);
spin_lock_irqsave(&chan->lock, flags);
list_splice_tail(&list, &chan->desc.chunks_free);
list_add_tail(&page->node, &chan->desc.pages);
spin_unlock_irq(&chan->lock);
spin_unlock_irqrestore(&chan->lock, flags);
return 0;
}
@ -627,9 +631,10 @@ static struct rcar_dmac_xfer_chunk *
rcar_dmac_xfer_chunk_get(struct rcar_dmac_chan *chan)
{
struct rcar_dmac_xfer_chunk *chunk;
unsigned long flags;
int ret;
spin_lock_irq(&chan->lock);
spin_lock_irqsave(&chan->lock, flags);
while (list_empty(&chan->desc.chunks_free)) {
/*
@ -638,18 +643,18 @@ rcar_dmac_xfer_chunk_get(struct rcar_dmac_chan *chan)
* allocated descriptors. If the allocation fails return an
* error.
*/
spin_unlock_irq(&chan->lock);
spin_unlock_irqrestore(&chan->lock, flags);
ret = rcar_dmac_xfer_chunk_alloc(chan, GFP_NOWAIT);
if (ret < 0)
return NULL;
spin_lock_irq(&chan->lock);
spin_lock_irqsave(&chan->lock, flags);
}
chunk = list_first_entry(&chan->desc.chunks_free,
struct rcar_dmac_xfer_chunk, node);
list_del(&chunk->node);
spin_unlock_irq(&chan->lock);
spin_unlock_irqrestore(&chan->lock, flags);
return chunk;
}

9
include/dt-bindings/sound/apq8016-lpass.h Normal file
View File

@ -0,0 +1,9 @@
#ifndef __DT_APQ8016_LPASS_H
#define __DT_APQ8016_LPASS_H
#define MI2S_PRIMARY 0
#define MI2S_SECONDARY 1
#define MI2S_TERTIARY 2
#define MI2S_QUATERNARY 3
#endif /* __DT_APQ8016_LPASS_H */

4
sound/soc/codecs/max98095.c
View File

@ -2301,8 +2301,8 @@ static int max98095_probe(struct snd_soc_codec *codec)
/* register an audio interrupt */
ret = request_threaded_irq(client->irq, NULL,
max98095_report_jack,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"max98095", codec);
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
IRQF_ONESHOT, "max98095", codec);
if (ret) {
dev_err(codec->dev, "Failed to request IRQ: %d\n", ret);
goto err_access;

5
sound/soc/omap/Kconfig
View File

@ -100,12 +100,13 @@ config SND_OMAP_SOC_OMAP_TWL4030
config SND_OMAP_SOC_OMAP_ABE_TWL6040
tristate "SoC Audio support for OMAP boards using ABE and twl6040 codec"
depends on TWL6040_CORE && SND_OMAP_SOC && (ARCH_OMAP4 || SOC_OMAP5 || COMPILE_TEST)
depends on TWL6040_CORE && SND_OMAP_SOC
depends on ARCH_OMAP4 || (SOC_OMAP5 && MFD_PALMAS) || COMPILE_TEST
select SND_OMAP_SOC_DMIC
select SND_OMAP_SOC_MCPDM
select SND_SOC_TWL6040
select SND_SOC_DMIC
select COMMON_CLK_PALMAS if MFD_PALMAS
select COMMON_CLK_PALMAS if (SOC_OMAP5 && MFD_PALMAS)
help
Say Y if you want to add support for SoC audio on OMAP boards using
ABE and twl6040 codec. This driver currently supports:

3
sound/soc/omap/omap-twl4030.c
View File

@ -159,9 +159,8 @@ static inline void twl4030_disconnect_pin(struct snd_soc_dapm_context *dapm,
static int omap_twl4030_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_card *card = rtd->card;
struct snd_soc_dapm_context *dapm = &codec->dapm;
struct snd_soc_dapm_context *dapm = &card->dapm;
struct omap_tw4030_pdata *pdata = dev_get_platdata(card->dev);
struct omap_twl4030 *priv = snd_soc_card_get_drvdata(card);
int ret = 0;

25
sound/soc/pxa/brownstone.c
View File

@ -45,29 +45,6 @@ static const struct snd_soc_dapm_route brownstone_audio_map[] = {
{"MICBIAS1", NULL, "Main Mic"},
};
static int brownstone_wm8994_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
/* set endpoints to not connected */
snd_soc_dapm_nc_pin(dapm, "HPOUT2P");
snd_soc_dapm_nc_pin(dapm, "HPOUT2N");
snd_soc_dapm_nc_pin(dapm, "LINEOUT1N");
snd_soc_dapm_nc_pin(dapm, "LINEOUT1P");
snd_soc_dapm_nc_pin(dapm, "LINEOUT2N");
snd_soc_dapm_nc_pin(dapm, "LINEOUT2P");
snd_soc_dapm_nc_pin(dapm, "IN1LN");
snd_soc_dapm_nc_pin(dapm, "IN1LP");
snd_soc_dapm_nc_pin(dapm, "IN1RP");
snd_soc_dapm_nc_pin(dapm, "IN2LP:VXRN");
snd_soc_dapm_nc_pin(dapm, "IN2RN");
snd_soc_dapm_nc_pin(dapm, "IN2RP:VXRP");
snd_soc_dapm_nc_pin(dapm, "IN2LN");
return 0;
}
static int brownstone_wm8994_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
@ -115,7 +92,6 @@ static struct snd_soc_dai_link brownstone_wm8994_dai[] = {
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ops = &brownstone_ops,
.init = brownstone_wm8994_init,
},
};
@ -132,6 +108,7 @@ static struct snd_soc_card brownstone = {
.num_dapm_widgets = ARRAY_SIZE(brownstone_dapm_widgets),
.dapm_routes = brownstone_audio_map,
.num_dapm_routes = ARRAY_SIZE(brownstone_audio_map),
.fully_routed = true,
};
static int brownstone_probe(struct platform_device *pdev)

19
sound/soc/pxa/poodle.c
View File

@ -192,6 +192,7 @@ static int poodle_amp_event(struct snd_soc_dapm_widget *w,
static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_SPK("Ext Spk", poodle_amp_event),
SND_SOC_DAPM_MIC("Microphone", NULL),
};
/* Corgi machine connections to the codec pins */
@ -204,6 +205,8 @@ static const struct snd_soc_dapm_route poodle_audio_map[] = {
/* speaker connected to LOUT, ROUT */
{"Ext Spk", NULL, "ROUT"},
{"Ext Spk", NULL, "LOUT"},
{"MICIN", NULL, "Microphone"},
};
static const char *jack_function[] = {"Off", "Headphone"};
@ -220,20 +223,6 @@ static const struct snd_kcontrol_new wm8731_poodle_controls[] = {
poodle_set_spk),
};
/*
* Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
*/
static int poodle_wm8731_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
snd_soc_dapm_nc_pin(dapm, "LLINEIN");
snd_soc_dapm_nc_pin(dapm, "RLINEIN");
return 0;
}
/* poodle digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link poodle_dai = {
.name = "WM8731",
@ -242,7 +231,6 @@ static struct snd_soc_dai_link poodle_dai = {
.codec_dai_name = "wm8731-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm8731.0-001b",
.init = poodle_wm8731_init,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ops = &poodle_ops,
@ -261,6 +249,7 @@ static struct snd_soc_card poodle = {
.num_dapm_widgets = ARRAY_SIZE(wm8731_dapm_widgets),
.dapm_routes = poodle_audio_map,
.num_dapm_routes = ARRAY_SIZE(poodle_audio_map),
.fully_routed = true,
};
static int poodle_probe(struct platform_device *pdev)

13
sound/soc/pxa/tosa.c
View File

@ -185,17 +185,6 @@ static const struct snd_kcontrol_new tosa_controls[] = {
tosa_set_spk),
};
static int tosa_ac97_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
snd_soc_dapm_nc_pin(dapm, "OUT3");
snd_soc_dapm_nc_pin(dapm, "MONOOUT");
return 0;
}
static struct snd_soc_dai_link tosa_dai[] = {
{
.name = "AC97",
@ -204,7 +193,6 @@ static struct snd_soc_dai_link tosa_dai[] = {
.codec_dai_name = "wm9712-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm9712-codec",
.init = tosa_ac97_init,
.ops = &tosa_ops,
},
{
@ -230,6 +218,7 @@ static struct snd_soc_card tosa = {
.num_dapm_widgets = ARRAY_SIZE(tosa_dapm_widgets),
.dapm_routes = audio_map,
.num_dapm_routes = ARRAY_SIZE(audio_map),
.fully_routed = true,
};
static int tosa_probe(struct platform_device *pdev)

9
sound/soc/pxa/z2.c
View File

@ -132,16 +132,8 @@ static const struct snd_soc_dapm_route z2_audio_map[] = {
*/
static int z2_wm8750_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret;
/* NC codec pins */
snd_soc_dapm_disable_pin(dapm, "LINPUT3");
snd_soc_dapm_disable_pin(dapm, "RINPUT3");
snd_soc_dapm_disable_pin(dapm, "OUT3");
snd_soc_dapm_disable_pin(dapm, "MONO1");
/* Jack detection API stuff */
ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", SND_JACK_HEADSET,
&hs_jack, hs_jack_pins,
@ -189,6 +181,7 @@ static struct snd_soc_card snd_soc_z2 = {
.num_dapm_widgets = ARRAY_SIZE(wm8750_dapm_widgets),
.dapm_routes = z2_audio_map,
.num_dapm_routes = ARRAY_SIZE(z2_audio_map),
.fully_routed = true,
};
static struct platform_device *z2_snd_device;

19
sound/soc/qcom/Kconfig
View File

@ -6,19 +6,28 @@ config SND_SOC_QCOM
config SND_SOC_LPASS_CPU
tristate
depends on SND_SOC_QCOM
select REGMAP_MMIO
config SND_SOC_LPASS_PLATFORM
tristate
depends on SND_SOC_QCOM
select REGMAP_MMIO
config SND_SOC_LPASS_IPQ806X
tristate
depends on SND_SOC_QCOM
select SND_SOC_LPASS_CPU
select SND_SOC_LPASS_PLATFORM
config SND_SOC_LPASS_APQ8016
tristate
depends on SND_SOC_QCOM
select SND_SOC_LPASS_CPU
select SND_SOC_LPASS_PLATFORM
config SND_SOC_STORM
tristate "ASoC I2S support for Storm boards"
depends on (ARCH_QCOM && SND_SOC_QCOM) || COMPILE_TEST
select SND_SOC_LPASS_CPU
select SND_SOC_LPASS_PLATFORM
depends on SND_SOC_QCOM && (ARCH_QCOM || COMPILE_TEST)
select SND_SOC_LPASS_IPQ806X
select SND_SOC_MAX98357A
help
Say Y or M if you want add support for SoC audio on the

4
sound/soc/qcom/Makefile
View File

@ -1,9 +1,13 @@
# Platform
snd-soc-lpass-cpu-objs := lpass-cpu.o
snd-soc-lpass-platform-objs := lpass-platform.o
snd-soc-lpass-ipq806x-objs := lpass-ipq806x.o
snd-soc-lpass-apq8016-objs := lpass-apq8016.o
obj-$(CONFIG_SND_SOC_LPASS_CPU) += snd-soc-lpass-cpu.o
obj-$(CONFIG_SND_SOC_LPASS_PLATFORM) += snd-soc-lpass-platform.o
obj-$(CONFIG_SND_SOC_LPASS_IPQ806X) += snd-soc-lpass-ipq806x.o
obj-$(CONFIG_SND_SOC_LPASS_APQ8016) += snd-soc-lpass-apq8016.o
# Machine
snd-soc-storm-objs := storm.o

242
sound/soc/qcom/lpass-apq8016.c Normal file
View File

@ -0,0 +1,242 @@
/*
* Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* lpass-apq8016.c -- ALSA SoC CPU DAI driver for APQ8016 LPASS
*
*/
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <dt-bindings/sound/apq8016-lpass.h>
#include "lpass-lpaif-reg.h"
#include "lpass.h"
static struct snd_soc_dai_driver apq8016_lpass_cpu_dai_driver[] = {
[MI2S_PRIMARY] = {
.id = MI2S_PRIMARY,
.name = "Primary MI2S",
.playback = {
.stream_name = "Primary Playback",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.probe = &asoc_qcom_lpass_cpu_dai_probe,
.ops = &asoc_qcom_lpass_cpu_dai_ops,
},
[MI2S_SECONDARY] = {
.id = MI2S_SECONDARY,
.name = "Secondary MI2S",
.playback = {
.stream_name = "Secondary Playback",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.probe = &asoc_qcom_lpass_cpu_dai_probe,
.ops = &asoc_qcom_lpass_cpu_dai_ops,
},
[MI2S_TERTIARY] = {
.id = MI2S_TERTIARY,
.name = "Tertiary MI2S",
.capture = {
.stream_name = "Tertiary Capture",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.probe = &asoc_qcom_lpass_cpu_dai_probe,
.ops = &asoc_qcom_lpass_cpu_dai_ops,
},
[MI2S_QUATERNARY] = {
.id = MI2S_QUATERNARY,
.name = "Quatenary MI2S",
.playback = {
.stream_name = "Quatenary Playback",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.capture = {
.stream_name = "Quatenary Capture",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.probe = &asoc_qcom_lpass_cpu_dai_probe,
.ops = &asoc_qcom_lpass_cpu_dai_ops,
},
};
static int apq8016_lpass_alloc_dma_channel(struct lpass_data *drvdata)
{
struct lpass_variant *v = drvdata->variant;
int chan = find_first_zero_bit(&drvdata->rdma_ch_bit_map,
v->rdma_channels);
if (chan >= v->rdma_channels)
return -EBUSY;
set_bit(chan, &drvdata->rdma_ch_bit_map);
return chan;
}
static int apq8016_lpass_free_dma_channel(struct lpass_data *drvdata, int chan)
{
clear_bit(chan, &drvdata->rdma_ch_bit_map);
return 0;
}
static int apq8016_lpass_init(struct platform_device *pdev)
{
struct lpass_data *drvdata = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
int ret;
drvdata->pcnoc_mport_clk = devm_clk_get(dev, "pcnoc-mport-clk");
if (IS_ERR(drvdata->pcnoc_mport_clk)) {
dev_err(&pdev->dev, "%s() error getting pcnoc-mport-clk: %ld\n",
__func__, PTR_ERR(drvdata->pcnoc_mport_clk));
return PTR_ERR(drvdata->pcnoc_mport_clk);
}
ret = clk_prepare_enable(drvdata->pcnoc_mport_clk);
if (ret) {
dev_err(&pdev->dev, "%s() Error enabling pcnoc-mport-clk: %d\n",
__func__, ret);
return ret;
}
drvdata->pcnoc_sway_clk = devm_clk_get(dev, "pcnoc-sway-clk");
if (IS_ERR(drvdata->pcnoc_sway_clk)) {
dev_err(&pdev->dev, "%s() error getting pcnoc-sway-clk: %ld\n",
__func__, PTR_ERR(drvdata->pcnoc_sway_clk));
return PTR_ERR(drvdata->pcnoc_sway_clk);
}
ret = clk_prepare_enable(drvdata->pcnoc_sway_clk);
if (ret) {
dev_err(&pdev->dev, "%s() Error enabling pcnoc_sway_clk: %d\n",
__func__, ret);
return ret;
}
return 0;
}
static int apq8016_lpass_exit(struct platform_device *pdev)
{
struct lpass_data *drvdata = platform_get_drvdata(pdev);
clk_disable_unprepare(drvdata->pcnoc_mport_clk);
clk_disable_unprepare(drvdata->pcnoc_sway_clk);
return 0;
}
static struct lpass_variant apq8016_data = {
.i2sctrl_reg_base = 0x1000,
.i2sctrl_reg_stride = 0x1000,
.i2s_ports = 4,
.irq_reg_base = 0x6000,
.irq_reg_stride = 0x1000,
.irq_ports = 3,
.rdma_reg_base = 0x8400,
.rdma_reg_stride = 0x1000,
.rdma_channels = 2,
.rdmactl_audif_start = 1,
.dai_driver = apq8016_lpass_cpu_dai_driver,
.num_dai = ARRAY_SIZE(apq8016_lpass_cpu_dai_driver),
.init = apq8016_lpass_init,
.exit = apq8016_lpass_exit,
.alloc_dma_channel = apq8016_lpass_alloc_dma_channel,
.free_dma_channel = apq8016_lpass_free_dma_channel,
};
static const struct of_device_id apq8016_lpass_cpu_device_id[] = {
{ .compatible = "qcom,lpass-cpu-apq8016", .data = &apq8016_data },
{}
};
MODULE_DEVICE_TABLE(of, apq8016_lpass_cpu_device_id);
static struct platform_driver apq8016_lpass_cpu_platform_driver = {
.driver = {
.name = "apq8016-lpass-cpu",
.of_match_table = of_match_ptr(apq8016_lpass_cpu_device_id),
},
.probe = asoc_qcom_lpass_cpu_platform_probe,
.remove = asoc_qcom_lpass_cpu_platform_remove,
};
module_platform_driver(apq8016_lpass_cpu_platform_driver);
MODULE_DESCRIPTION("APQ8016 LPASS CPU Driver");
MODULE_LICENSE("GPL v2");

238
sound/soc/qcom/lpass-cpu.c
View File

@ -14,21 +14,17 @@
*/
#include <linux/clk.h>
#include <linux/compiler.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include "lpass-lpaif-ipq806x.h"
#include "lpass-lpaif-reg.h"
#include "lpass.h"
static int lpass_cpu_daiops_set_sysclk(struct snd_soc_dai *dai, int clk_id,
@ -37,7 +33,10 @@ static int lpass_cpu_daiops_set_sysclk(struct snd_soc_dai *dai, int clk_id,
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
int ret;
ret = clk_set_rate(drvdata->mi2s_osr_clk, freq);
if (IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id]))
return 0;
ret = clk_set_rate(drvdata->mi2s_osr_clk[dai->driver->id], freq);
if (ret)
dev_err(dai->dev, "%s() error setting mi2s osrclk to %u: %d\n",
__func__, freq, ret);
@ -51,18 +50,23 @@ static int lpass_cpu_daiops_startup(struct snd_pcm_substream *substream,
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
int ret;
ret = clk_prepare_enable(drvdata->mi2s_osr_clk);
if (ret) {
dev_err(dai->dev, "%s() error in enabling mi2s osr clk: %d\n",
__func__, ret);
return ret;
if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id])) {
ret = clk_prepare_enable(
drvdata->mi2s_osr_clk[dai->driver->id]);
if (ret) {
dev_err(dai->dev, "%s() error in enabling mi2s osr clk: %d\n",
__func__, ret);
return ret;
}
}
ret = clk_prepare_enable(drvdata->mi2s_bit_clk);
ret = clk_prepare_enable(drvdata->mi2s_bit_clk[dai->driver->id]);
if (ret) {
dev_err(dai->dev, "%s() error in enabling mi2s bit clk: %d\n",
__func__, ret);
clk_disable_unprepare(drvdata->mi2s_osr_clk);
if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id]))
clk_disable_unprepare(
drvdata->mi2s_osr_clk[dai->driver->id]);
return ret;
}
@ -74,8 +78,10 @@ static void lpass_cpu_daiops_shutdown(struct snd_pcm_substream *substream,
{
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
clk_disable_unprepare(drvdata->mi2s_bit_clk);
clk_disable_unprepare(drvdata->mi2s_osr_clk);
clk_disable_unprepare(drvdata->mi2s_bit_clk[dai->driver->id]);
if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id]))
clk_disable_unprepare(drvdata->mi2s_osr_clk[dai->driver->id]);
}
static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream,
@ -142,14 +148,16 @@ static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream,
}
ret = regmap_write(drvdata->lpaif_map,
LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S), regval);
LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id),
regval);
if (ret) {
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
__func__, ret);
return ret;
}
ret = clk_set_rate(drvdata->mi2s_bit_clk, rate * bitwidth * 2);
ret = clk_set_rate(drvdata->mi2s_bit_clk[dai->driver->id],
rate * bitwidth * 2);
if (ret) {
dev_err(dai->dev, "%s() error setting mi2s bitclk to %u: %d\n",
__func__, rate * bitwidth * 2, ret);
@ -166,7 +174,8 @@ static int lpass_cpu_daiops_hw_free(struct snd_pcm_substream *substream,
int ret;
ret = regmap_write(drvdata->lpaif_map,
LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S), 0);
LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id),
0);
if (ret)
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
__func__, ret);
@ -181,7 +190,7 @@ static int lpass_cpu_daiops_prepare(struct snd_pcm_substream *substream,
int ret;
ret = regmap_update_bits(drvdata->lpaif_map,
LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S),
LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id),
LPAIF_I2SCTL_SPKEN_MASK, LPAIF_I2SCTL_SPKEN_ENABLE);
if (ret)
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
@ -201,7 +210,8 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
ret = regmap_update_bits(drvdata->lpaif_map,
LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S),
LPAIF_I2SCTL_REG(drvdata->variant,
dai->driver->id),
LPAIF_I2SCTL_SPKEN_MASK,
LPAIF_I2SCTL_SPKEN_ENABLE);
if (ret)
@ -212,7 +222,8 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
ret = regmap_update_bits(drvdata->lpaif_map,
LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S),
LPAIF_I2SCTL_REG(drvdata->variant,
dai->driver->id),
LPAIF_I2SCTL_SPKEN_MASK,
LPAIF_I2SCTL_SPKEN_DISABLE);
if (ret)
@ -224,7 +235,7 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
return ret;
}
static struct snd_soc_dai_ops lpass_cpu_dai_ops = {
struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops = {
.set_sysclk = lpass_cpu_daiops_set_sysclk,
.startup = lpass_cpu_daiops_startup,
.shutdown = lpass_cpu_daiops_shutdown,
@ -233,41 +244,23 @@ static struct snd_soc_dai_ops lpass_cpu_dai_ops = {
.prepare = lpass_cpu_daiops_prepare,
.trigger = lpass_cpu_daiops_trigger,
};
EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_ops);
static int lpass_cpu_dai_probe(struct snd_soc_dai *dai)
int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai)
{
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
int ret;
/* ensure audio hardware is disabled */
ret = regmap_write(drvdata->lpaif_map,
LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S), 0);
LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), 0);
if (ret)
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
__func__, ret);
return ret;
}
static struct snd_soc_dai_driver lpass_cpu_dai_driver = {
.playback = {
.stream_name = "lpass-cpu-playback",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.probe = &lpass_cpu_dai_probe,
.ops = &lpass_cpu_dai_ops,
};
EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_probe);
static const struct snd_soc_component_driver lpass_cpu_comp_driver = {
.name = "lpass-cpu",
@ -275,27 +268,29 @@ static const struct snd_soc_component_driver lpass_cpu_comp_driver = {
static bool lpass_cpu_regmap_writeable(struct device *dev, unsigned int reg)
{
struct lpass_data *drvdata = dev_get_drvdata(dev);
struct lpass_variant *v = drvdata->variant;
int i;
for (i = 0; i < LPAIF_I2S_PORT_NUM; ++i)
if (reg == LPAIF_I2SCTL_REG(i))
for (i = 0; i < v->i2s_ports; ++i)
if (reg == LPAIF_I2SCTL_REG(v, i))
return true;
for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i) {
if (reg == LPAIF_IRQEN_REG(i))
for (i = 0; i < v->irq_ports; ++i) {
if (reg == LPAIF_IRQEN_REG(v, i))
return true;
if (reg == LPAIF_IRQCLEAR_REG(i))
if (reg == LPAIF_IRQCLEAR_REG(v, i))
return true;
}
for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i) {
if (reg == LPAIF_RDMACTL_REG(i))
for (i = 0; i < v->rdma_channels; ++i) {
if (reg == LPAIF_RDMACTL_REG(v, i))
return true;
if (reg == LPAIF_RDMABASE_REG(i))
if (reg == LPAIF_RDMABASE_REG(v, i))
return true;
if (reg == LPAIF_RDMABUFF_REG(i))
if (reg == LPAIF_RDMABUFF_REG(v, i))
return true;
if (reg == LPAIF_RDMAPER_REG(i))
if (reg == LPAIF_RDMAPER_REG(v, i))
return true;
}
@ -304,29 +299,31 @@ static bool lpass_cpu_regmap_writeable(struct device *dev, unsigned int reg)
static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg)
{
struct lpass_data *drvdata = dev_get_drvdata(dev);
struct lpass_variant *v = drvdata->variant;
int i;
for (i = 0; i < LPAIF_I2S_PORT_NUM; ++i)
if (reg == LPAIF_I2SCTL_REG(i))
for (i = 0; i < v->i2s_ports; ++i)
if (reg == LPAIF_I2SCTL_REG(v, i))
return true;
for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i) {
if (reg == LPAIF_IRQEN_REG(i))
for (i = 0; i < v->irq_ports; ++i) {
if (reg == LPAIF_IRQEN_REG(v, i))
return true;
if (reg == LPAIF_IRQSTAT_REG(i))
if (reg == LPAIF_IRQSTAT_REG(v, i))
return true;
}
for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i) {
if (reg == LPAIF_RDMACTL_REG(i))
for (i = 0; i < v->rdma_channels; ++i) {
if (reg == LPAIF_RDMACTL_REG(v, i))
return true;
if (reg == LPAIF_RDMABASE_REG(i))
if (reg == LPAIF_RDMABASE_REG(v, i))
return true;
if (reg == LPAIF_RDMABUFF_REG(i))
if (reg == LPAIF_RDMABUFF_REG(v, i))
return true;
if (reg == LPAIF_RDMACURR_REG(i))
if (reg == LPAIF_RDMACURR_REG(v, i))
return true;
if (reg == LPAIF_RDMAPER_REG(i))
if (reg == LPAIF_RDMAPER_REG(v, i))
return true;
}
@ -335,36 +332,41 @@ static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg)
static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg)
{
struct lpass_data *drvdata = dev_get_drvdata(dev);
struct lpass_variant *v = drvdata->variant;
int i;
for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i)
if (reg == LPAIF_IRQSTAT_REG(i))
for (i = 0; i < v->irq_ports; ++i)
if (reg == LPAIF_IRQSTAT_REG(v, i))
return true;
for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i)
if (reg == LPAIF_RDMACURR_REG(i))
for (i = 0; i < v->rdma_channels; ++i)
if (reg == LPAIF_RDMACURR_REG(v, i))
return true;
return false;
}
static const struct regmap_config lpass_cpu_regmap_config = {
static struct regmap_config lpass_cpu_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = LPAIF_RDMAPER_REG(LPAIF_RDMA_CHAN_MAX),
.writeable_reg = lpass_cpu_regmap_writeable,
.readable_reg = lpass_cpu_regmap_readable,
.volatile_reg = lpass_cpu_regmap_volatile,
.cache_type = REGCACHE_FLAT,
};
static int lpass_cpu_platform_probe(struct platform_device *pdev)
int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
{
struct lpass_data *drvdata;
struct device_node *dsp_of_node;
struct resource *res;
int ret;
struct lpass_variant *variant;
struct device *dev = &pdev->dev;
const struct of_device_id *match;
char clk_name[16];
int ret, i, dai_id;
dsp_of_node = of_parse_phandle(pdev->dev.of_node, "qcom,adsp", 0);
if (dsp_of_node) {
@ -379,11 +381,14 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
return -ENOMEM;
platform_set_drvdata(pdev, drvdata);
match = of_match_device(dev->driver->of_match_table, dev);
if (!match || !match->data)
return -EINVAL;
drvdata->variant = (struct lpass_variant *)match->data;
variant = drvdata->variant;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-lpaif");
if (!res) {
dev_err(&pdev->dev, "%s() error getting resource\n", __func__);
return -ENODEV;
}
drvdata->lpaif = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR((void const __force *)drvdata->lpaif)) {
@ -393,6 +398,9 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
return PTR_ERR((void const __force *)drvdata->lpaif);
}
lpass_cpu_regmap_config.max_register = LPAIF_RDMAPER_REG(variant,
variant->rdma_channels);
drvdata->lpaif_map = devm_regmap_init_mmio(&pdev->dev, drvdata->lpaif,
&lpass_cpu_regmap_config);
if (IS_ERR(drvdata->lpaif_map)) {
@ -401,18 +409,38 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
return PTR_ERR(drvdata->lpaif_map);
}
drvdata->mi2s_osr_clk = devm_clk_get(&pdev->dev, "mi2s-osr-clk");
if (IS_ERR(drvdata->mi2s_osr_clk)) {
dev_err(&pdev->dev, "%s() error getting mi2s-osr-clk: %ld\n",
__func__, PTR_ERR(drvdata->mi2s_osr_clk));
return PTR_ERR(drvdata->mi2s_osr_clk);
}
if (variant->init)
variant->init(pdev);
drvdata->mi2s_bit_clk = devm_clk_get(&pdev->dev, "mi2s-bit-clk");
if (IS_ERR(drvdata->mi2s_bit_clk)) {
dev_err(&pdev->dev, "%s() error getting mi2s-bit-clk: %ld\n",
__func__, PTR_ERR(drvdata->mi2s_bit_clk));
return PTR_ERR(drvdata->mi2s_bit_clk);
for (i = 0; i < variant->num_dai; i++) {
dai_id = variant->dai_driver[i].id;
if (variant->num_dai > 1)
sprintf(clk_name, "mi2s-osr-clk%d", i);
else
sprintf(clk_name, "mi2s-osr-clk");
drvdata->mi2s_osr_clk[dai_id] = devm_clk_get(&pdev->dev,
clk_name);
if (IS_ERR(drvdata->mi2s_osr_clk[dai_id])) {
dev_warn(&pdev->dev,
"%s() error getting mi2s-osr-clk: %ld\n",
__func__,
PTR_ERR(drvdata->mi2s_osr_clk[dai_id]));
}
if (variant->num_dai > 1)
sprintf(clk_name, "mi2s-bit-clk%d", i);
else
sprintf(clk_name, "mi2s-bit-clk");
drvdata->mi2s_bit_clk[dai_id] = devm_clk_get(&pdev->dev,
clk_name);
if (IS_ERR(drvdata->mi2s_bit_clk[dai_id])) {
dev_err(&pdev->dev,
"%s() error getting mi2s-bit-clk: %ld\n",
__func__, PTR_ERR(drvdata->mi2s_bit_clk[i]));
return PTR_ERR(drvdata->mi2s_bit_clk[dai_id]);
}
}
drvdata->ahbix_clk = devm_clk_get(&pdev->dev, "ahbix-clk");
@ -439,7 +467,9 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
}
ret = devm_snd_soc_register_component(&pdev->dev,
&lpass_cpu_comp_driver, &lpass_cpu_dai_driver, 1);
&lpass_cpu_comp_driver,
variant->dai_driver,
variant->num_dai);
if (ret) {
dev_err(&pdev->dev, "%s() error registering cpu driver: %d\n",
__func__, ret);
@ -459,33 +489,17 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
clk_disable_unprepare(drvdata->ahbix_clk);
return ret;
}
EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_probe);
static int lpass_cpu_platform_remove(struct platform_device *pdev)
int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev)
{
struct lpass_data *drvdata = platform_get_drvdata(pdev);
if (drvdata->variant->exit)
drvdata->variant->exit(pdev);
clk_disable_unprepare(drvdata->ahbix_clk);
return 0;
}
#ifdef CONFIG_OF
static const struct of_device_id lpass_cpu_device_id[] = {
{ .compatible = "qcom,lpass-cpu" },
{}
};
MODULE_DEVICE_TABLE(of, lpass_cpu_device_id);
#endif
static struct platform_driver lpass_cpu_platform_driver = {
.driver = {
.name = "lpass-cpu",
.of_match_table = of_match_ptr(lpass_cpu_device_id),
},
.probe = lpass_cpu_platform_probe,
.remove = lpass_cpu_platform_remove,
};
module_platform_driver(lpass_cpu_platform_driver);
MODULE_DESCRIPTION("QTi LPASS CPU Driver");
MODULE_LICENSE("GPL v2");
EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_remove);

109
sound/soc/qcom/lpass-ipq806x.c Normal file
View File

@ -0,0 +1,109 @@
/*
* Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* lpass-ipq806x.c -- ALSA SoC CPU DAI driver for QTi LPASS
* Splited out the IPQ8064 soc specific from lpass-cpu.c
*/
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include "lpass-lpaif-reg.h"
#include "lpass.h"
enum lpaif_i2s_ports {
IPQ806X_LPAIF_I2S_PORT_CODEC_SPK,
IPQ806X_LPAIF_I2S_PORT_CODEC_MIC,
IPQ806X_LPAIF_I2S_PORT_SEC_SPK,
IPQ806X_LPAIF_I2S_PORT_SEC_MIC,
IPQ806X_LPAIF_I2S_PORT_MI2S,
};
enum lpaif_dma_channels {
IPQ806X_LPAIF_RDMA_CHAN_MI2S,
IPQ806X_LPAIF_RDMA_CHAN_PCM0,
IPQ806X_LPAIF_RDMA_CHAN_PCM1,
};
static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = {
.id = IPQ806X_LPAIF_I2S_PORT_MI2S,
.playback = {
.stream_name = "lpass-cpu-playback",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.probe = &asoc_qcom_lpass_cpu_dai_probe,
.ops = &asoc_qcom_lpass_cpu_dai_ops,
};
static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata)
{
return IPQ806X_LPAIF_RDMA_CHAN_MI2S;
}
static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan)
{
return 0;
}
struct lpass_variant ipq806x_data = {
.i2sctrl_reg_base = 0x0010,
.i2sctrl_reg_stride = 0x04,
.i2s_ports = 5,
.irq_reg_base = 0x3000,
.irq_reg_stride = 0x1000,
.irq_ports = 3,
.rdma_reg_base = 0x6000,
.rdma_reg_stride = 0x1000,
.rdma_channels = 4,
.dai_driver = &ipq806x_lpass_cpu_dai_driver,
.num_dai = 1,
.alloc_dma_channel = ipq806x_lpass_alloc_dma_channel,
.free_dma_channel = ipq806x_lpass_free_dma_channel,
};
static const struct of_device_id ipq806x_lpass_cpu_device_id[] = {
{ .compatible = "qcom,lpass-cpu", .data = &ipq806x_data },
{}
};
MODULE_DEVICE_TABLE(of, ipq806x_lpass_cpu_device_id);
static struct platform_driver ipq806x_lpass_cpu_platform_driver = {
.driver = {
.name = "lpass-cpu",
.of_match_table = of_match_ptr(ipq806x_lpass_cpu_device_id),
},
.probe = asoc_qcom_lpass_cpu_platform_probe,
.remove = asoc_qcom_lpass_cpu_platform_remove,
};
module_platform_driver(ipq806x_lpass_cpu_platform_driver);
MODULE_DESCRIPTION("QTi LPASS CPU Driver");
MODULE_LICENSE("GPL v2");

92
sound/soc/qcom/lpass-lpaif-ipq806x.h → sound/soc/qcom/lpass-lpaif-reg.h
View File

@ -9,37 +9,17 @@
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* lpass-lpaif-ipq806x.h -- Definitions for the QTi LPAIF in the ipq806x LPASS
*/
#ifndef __LPASS_LPAIF_H__
#define __LPASS_LPAIF_H__
#define LPAIF_BANK_OFFSET 0x1000
#ifndef __LPASS_LPAIF_REG_H__
#define __LPASS_LPAIF_REG_H__
/* LPAIF I2S */
#define LPAIF_I2SCTL_REG_BASE 0x0010
#define LPAIF_I2SCTL_REG_STRIDE 0x4
#define LPAIF_I2SCTL_REG_ADDR(addr, port) \
(LPAIF_I2SCTL_REG_BASE + (addr) + (LPAIF_I2SCTL_REG_STRIDE * (port)))
enum lpaif_i2s_ports {
LPAIF_I2S_PORT_MIN = 0,
LPAIF_I2S_PORT_CODEC_SPK = 0,
LPAIF_I2S_PORT_CODEC_MIC = 1,
LPAIF_I2S_PORT_SEC_SPK = 2,
LPAIF_I2S_PORT_SEC_MIC = 3,
LPAIF_I2S_PORT_MI2S = 4,
LPAIF_I2S_PORT_MAX = 4,
LPAIF_I2S_PORT_NUM = 5,
};
#define LPAIF_I2SCTL_REG(port) LPAIF_I2SCTL_REG_ADDR(0x0, (port))
#define LPAIF_I2SCTL_REG_ADDR(v, addr, port) \
(v->i2sctrl_reg_base + (addr) + v->i2sctrl_reg_stride * (port))
#define LPAIF_I2SCTL_REG(v, port) LPAIF_I2SCTL_REG_ADDR(v, 0x0, (port))
#define LPAIF_I2SCTL_LOOPBACK_MASK 0x8000
#define LPAIF_I2SCTL_LOOPBACK_SHIFT 15
#define LPAIF_I2SCTL_LOOPBACK_DISABLE (0 << LPAIF_I2SCTL_LOOPBACK_SHIFT)
@ -79,55 +59,36 @@ enum lpaif_i2s_ports {
#define LPAIF_I2SCTL_BITWIDTH_32 (2 << LPAIF_I2SCTL_BITWIDTH_SHIFT)
/* LPAIF IRQ */
#define LPAIF_IRQ_REG_ADDR(v, addr, port) \
(v->irq_reg_base + (addr) + v->irq_reg_stride * (port))
#define LPAIF_IRQ_REG_BASE 0x3000
#define LPAIF_IRQ_REG_STRIDE 0x1000
#define LPAIF_IRQ_REG_ADDR(addr, port) \
(LPAIF_IRQ_REG_BASE + (addr) + (LPAIF_IRQ_REG_STRIDE * (port)))
#define LPAIF_IRQ_PORT_HOST 0
enum lpaif_irq_ports {
LPAIF_IRQ_PORT_MIN = 0,
LPAIF_IRQ_PORT_HOST = 0,
LPAIF_IRQ_PORT_ADSP = 1,
LPAIF_IRQ_PORT_MAX = 2,
LPAIF_IRQ_PORT_NUM = 3,
};
#define LPAIF_IRQEN_REG(port) LPAIF_IRQ_REG_ADDR(0x0, (port))
#define LPAIF_IRQSTAT_REG(port) LPAIF_IRQ_REG_ADDR(0x4, (port))
#define LPAIF_IRQCLEAR_REG(port) LPAIF_IRQ_REG_ADDR(0xC, (port))
#define LPAIF_IRQEN_REG(v, port) LPAIF_IRQ_REG_ADDR(v, 0x0, (port))
#define LPAIF_IRQSTAT_REG(v, port) LPAIF_IRQ_REG_ADDR(v, 0x4, (port))
#define LPAIF_IRQCLEAR_REG(v, port) LPAIF_IRQ_REG_ADDR(v, 0xC, (port))
#define LPAIF_IRQ_BITSTRIDE 3
#define LPAIF_IRQ_PER(chan) (1 << (LPAIF_IRQ_BITSTRIDE * (chan)))
#define LPAIF_IRQ_XRUN(chan) (2 << (LPAIF_IRQ_BITSTRIDE * (chan)))
#define LPAIF_IRQ_ERR(chan) (4 << (LPAIF_IRQ_BITSTRIDE * (chan)))
#define LPAIF_IRQ_ALL(chan) (7 << (LPAIF_IRQ_BITSTRIDE * (chan)))
/* LPAIF DMA */
#define LPAIF_RDMA_REG_BASE 0x6000
#define LPAIF_RDMA_REG_STRIDE 0x1000
#define LPAIF_RDMA_REG_ADDR(addr, chan) \
(LPAIF_RDMA_REG_BASE + (addr) + (LPAIF_RDMA_REG_STRIDE * (chan)))
#define LPAIF_RDMA_REG_ADDR(v, addr, chan) \
(v->rdma_reg_base + (addr) + v->rdma_reg_stride * (chan))
enum lpaif_dma_channels {
LPAIF_RDMA_CHAN_MIN = 0,
#define LPAIF_RDMACTL_AUDINTF(id) (id << LPAIF_RDMACTL_AUDINTF_SHIFT)
LPAIF_RDMA_CHAN_MI2S = 0,
LPAIF_RDMA_CHAN_PCM0 = 1,
LPAIF_RDMA_CHAN_PCM1 = 2,
LPAIF_RDMA_CHAN_MAX = 4,
LPAIF_RDMA_CHAN_NUM = 5,
};
#define LPAIF_RDMACTL_REG(chan) LPAIF_RDMA_REG_ADDR(0x00, (chan))
#define LPAIF_RDMABASE_REG(chan) LPAIF_RDMA_REG_ADDR(0x04, (chan))
#define LPAIF_RDMABUFF_REG(chan) LPAIF_RDMA_REG_ADDR(0x08, (chan))
#define LPAIF_RDMACURR_REG(chan) LPAIF_RDMA_REG_ADDR(0x0C, (chan))
#define LPAIF_RDMAPER_REG(chan) LPAIF_RDMA_REG_ADDR(0x10, (chan))
#define LPAIF_RDMACTL_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x00, (chan))
#define LPAIF_RDMABASE_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x04, (chan))
#define LPAIF_RDMABUFF_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x08, (chan))
#define LPAIF_RDMACURR_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x0C, (chan))
#define LPAIF_RDMAPER_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x10, (chan))
#define LPAIF_RDMAPERCNT_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x14, (chan))
#define LPAIF_RDMACTL_BURSTEN_MASK 0x800
#define LPAIF_RDMACTL_BURSTEN_SHIFT 11
@ -145,13 +106,6 @@ enum lpaif_dma_channels {
#define LPAIF_RDMACTL_AUDINTF_MASK 0x0F0
#define LPAIF_RDMACTL_AUDINTF_SHIFT 4
#define LPAIF_RDMACTL_AUDINTF_NONE (0 << LPAIF_RDMACTL_AUDINTF_SHIFT)
#define LPAIF_RDMACTL_AUDINTF_CODEC (1 << LPAIF_RDMACTL_AUDINTF_SHIFT)
#define LPAIF_RDMACTL_AUDINTF_PCM (2 << LPAIF_RDMACTL_AUDINTF_SHIFT)
#define LPAIF_RDMACTL_AUDINTF_SEC_I2S (3 << LPAIF_RDMACTL_AUDINTF_SHIFT)
#define LPAIF_RDMACTL_AUDINTF_MI2S (4 << LPAIF_RDMACTL_AUDINTF_SHIFT)
#define LPAIF_RDMACTL_AUDINTF_HDMI (5 << LPAIF_RDMACTL_AUDINTF_SHIFT)
#define LPAIF_RDMACTL_AUDINTF_SEC_PCM (7 << LPAIF_RDMACTL_AUDINTF_SHIFT)
#define LPAIF_RDMACTL_FIFOWM_MASK 0x00E
#define LPAIF_RDMACTL_FIFOWM_SHIFT 1
@ -169,4 +123,4 @@ enum lpaif_dma_channels {
#define LPAIF_RDMACTL_ENABLE_OFF (0 << LPAIF_RDMACTL_ENABLE_SHIFT)
#define LPAIF_RDMACTL_ENABLE_ON (1 << LPAIF_RDMACTL_ENABLE_SHIFT)
#endif /* __LPASS_LPAIF_H__ */
#endif /* __LPASS_LPAIF_REG_H__ */

202
sound/soc/qcom/lpass-platform.c
View File

@ -13,23 +13,22 @@
* lpass-platform.c -- ALSA SoC platform driver for QTi LPASS
*/
#include <linux/compiler.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <sound/memalloc.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include "lpass-lpaif-ipq806x.h"
#include "lpass-lpaif-reg.h"
#include "lpass.h"
struct lpass_pcm_data {
int rdma_ch;
int i2s_port;
};
#define LPASS_PLATFORM_BUFFER_SIZE (16 * 1024)
#define LPASS_PLATFORM_PERIODS 2
@ -84,13 +83,15 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
struct lpass_variant *v = drvdata->variant;
snd_pcm_format_t format = params_format(params);
unsigned int channels = params_channels(params);
unsigned int regval;
int bitwidth;
int ret;
int ret, rdma_port = pcm_data->i2s_port + v->rdmactl_audif_start;
bitwidth = snd_pcm_format_width(format);
if (bitwidth < 0) {
@ -100,7 +101,7 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
}
regval = LPAIF_RDMACTL_BURSTEN_INCR4 |
LPAIF_RDMACTL_AUDINTF_MI2S |
LPAIF_RDMACTL_AUDINTF(rdma_port) |
LPAIF_RDMACTL_FIFOWM_8;
switch (bitwidth) {
@ -156,7 +157,7 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
}
ret = regmap_write(drvdata->lpaif_map,
LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S), regval);
LPAIF_RDMACTL_REG(v, pcm_data->rdma_ch), regval);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n",
__func__, ret);
@ -169,12 +170,14 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
struct lpass_variant *v = drvdata->variant;
int ret;
ret = regmap_write(drvdata->lpaif_map,
LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S), 0);
LPAIF_RDMACTL_REG(v, pcm_data->rdma_ch), 0);
if (ret)
dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n",
__func__, ret);
@ -186,12 +189,14 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
int ret;
struct lpass_variant *v = drvdata->variant;
int ret, ch = pcm_data->rdma_ch;
ret = regmap_write(drvdata->lpaif_map,
LPAIF_RDMABASE_REG(LPAIF_RDMA_CHAN_MI2S),
LPAIF_RDMABASE_REG(v, ch),
runtime->dma_addr);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmabase reg: %d\n",
@ -200,7 +205,7 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
}
ret = regmap_write(drvdata->lpaif_map,
LPAIF_RDMABUFF_REG(LPAIF_RDMA_CHAN_MI2S),
LPAIF_RDMABUFF_REG(v, ch),
(snd_pcm_lib_buffer_bytes(substream) >> 2) - 1);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmabuff reg: %d\n",
@ -209,7 +214,7 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
}
ret = regmap_write(drvdata->lpaif_map,
LPAIF_RDMAPER_REG(LPAIF_RDMA_CHAN_MI2S),
LPAIF_RDMAPER_REG(v, ch),
(snd_pcm_lib_period_bytes(substream) >> 2) - 1);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmaper reg: %d\n",
@ -218,7 +223,7 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
}
ret = regmap_update_bits(drvdata->lpaif_map,
LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S),
LPAIF_RDMACTL_REG(v, ch),
LPAIF_RDMACTL_ENABLE_MASK, LPAIF_RDMACTL_ENABLE_ON);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n",
@ -233,9 +238,11 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
int ret;
struct lpass_variant *v = drvdata->variant;
int ret, ch = pcm_data->rdma_ch;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
@ -243,8 +250,8 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
/* clear status before enabling interrupts */
ret = regmap_write(drvdata->lpaif_map,
LPAIF_IRQCLEAR_REG(LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_ALL(LPAIF_RDMA_CHAN_MI2S));
LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_ALL(ch));
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to irqclear reg: %d\n",
__func__, ret);
@ -252,9 +259,9 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
}
ret = regmap_update_bits(drvdata->lpaif_map,
LPAIF_IRQEN_REG(LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_ALL(LPAIF_RDMA_CHAN_MI2S),
LPAIF_IRQ_ALL(LPAIF_RDMA_CHAN_MI2S));
LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_ALL(ch),
LPAIF_IRQ_ALL(ch));
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to irqen reg: %d\n",
__func__, ret);
@ -262,7 +269,7 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
}
ret = regmap_update_bits(drvdata->lpaif_map,
LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S),
LPAIF_RDMACTL_REG(v, ch),
LPAIF_RDMACTL_ENABLE_MASK,
LPAIF_RDMACTL_ENABLE_ON);
if (ret) {
@ -275,7 +282,7 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
ret = regmap_update_bits(drvdata->lpaif_map,
LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S),
LPAIF_RDMACTL_REG(v, ch),
LPAIF_RDMACTL_ENABLE_MASK,
LPAIF_RDMACTL_ENABLE_OFF);
if (ret) {
@ -285,8 +292,8 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
}
ret = regmap_update_bits(drvdata->lpaif_map,
LPAIF_IRQEN_REG(LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_ALL(LPAIF_RDMA_CHAN_MI2S), 0);
LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_ALL(ch), 0);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to irqen reg: %d\n",
__func__, ret);
@ -302,13 +309,15 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer(
struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
struct lpass_variant *v = drvdata->variant;
unsigned int base_addr, curr_addr;
int ret;
int ret, ch = pcm_data->rdma_ch;
ret = regmap_read(drvdata->lpaif_map,
LPAIF_RDMABASE_REG(LPAIF_RDMA_CHAN_MI2S), &base_addr);
LPAIF_RDMABASE_REG(v, ch), &base_addr);
if (ret) {
dev_err(soc_runtime->dev, "%s() error reading from rdmabase reg: %d\n",
__func__, ret);
@ -316,7 +325,7 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer(
}
ret = regmap_read(drvdata->lpaif_map,
LPAIF_RDMACURR_REG(LPAIF_RDMA_CHAN_MI2S), &curr_addr);
LPAIF_RDMACURR_REG(v, ch), &curr_addr);
if (ret) {
dev_err(soc_runtime->dev, "%s() error reading from rdmacurr reg: %d\n",
__func__, ret);
@ -347,29 +356,20 @@ static struct snd_pcm_ops lpass_platform_pcm_ops = {
.mmap = lpass_platform_pcmops_mmap,
};
static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
static irqreturn_t lpass_dma_interrupt_handler(
struct snd_pcm_substream *substream,
struct lpass_data *drvdata,
int chan, u32 interrupts)
{
struct snd_pcm_substream *substream = data;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
unsigned int interrupts;
struct lpass_variant *v = drvdata->variant;
irqreturn_t ret = IRQ_NONE;
int rv;
rv = regmap_read(drvdata->lpaif_map,
LPAIF_IRQSTAT_REG(LPAIF_IRQ_PORT_HOST), &interrupts);
if (rv) {
dev_err(soc_runtime->dev, "%s() error reading from irqstat reg: %d\n",
__func__, rv);
return IRQ_NONE;
}
interrupts &= LPAIF_IRQ_ALL(LPAIF_RDMA_CHAN_MI2S);
if (interrupts & LPAIF_IRQ_PER(LPAIF_RDMA_CHAN_MI2S)) {
if (interrupts & LPAIF_IRQ_PER(chan)) {
rv = regmap_write(drvdata->lpaif_map,
LPAIF_IRQCLEAR_REG(LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_PER(LPAIF_RDMA_CHAN_MI2S));
LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_PER(chan));
if (rv) {
dev_err(soc_runtime->dev, "%s() error writing to irqclear reg: %d\n",
__func__, rv);
@ -379,10 +379,10 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
ret = IRQ_HANDLED;
}
if (interrupts & LPAIF_IRQ_XRUN(LPAIF_RDMA_CHAN_MI2S)) {
if (interrupts & LPAIF_IRQ_XRUN(chan)) {
rv = regmap_write(drvdata->lpaif_map,
LPAIF_IRQCLEAR_REG(LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_XRUN(LPAIF_RDMA_CHAN_MI2S));
LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_XRUN(chan));
if (rv) {
dev_err(soc_runtime->dev, "%s() error writing to irqclear reg: %d\n",
__func__, rv);
@ -393,10 +393,10 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
ret = IRQ_HANDLED;
}
if (interrupts & LPAIF_IRQ_ERR(LPAIF_RDMA_CHAN_MI2S)) {
if (interrupts & LPAIF_IRQ_ERR(chan)) {
rv = regmap_write(drvdata->lpaif_map,
LPAIF_IRQCLEAR_REG(LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_ERR(LPAIF_RDMA_CHAN_MI2S));
LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST),
LPAIF_IRQ_ERR(chan));
if (rv) {
dev_err(soc_runtime->dev, "%s() error writing to irqclear reg: %d\n",
__func__, rv);
@ -410,6 +410,35 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
return ret;
}
static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
{
struct lpass_data *drvdata = data;
struct lpass_variant *v = drvdata->variant;
unsigned int irqs;
int rv, chan;
rv = regmap_read(drvdata->lpaif_map,
LPAIF_IRQSTAT_REG(v, LPAIF_IRQ_PORT_HOST), &irqs);
if (rv) {
pr_err("%s() error reading from irqstat reg: %d\n",
__func__, rv);
return IRQ_NONE;
}
/* Handle per channel interrupts */
for (chan = 0; chan < LPASS_MAX_DMA_CHANNELS; chan++) {
if (irqs & LPAIF_IRQ_ALL(chan) && drvdata->substream[chan]) {
rv = lpass_dma_interrupt_handler(
drvdata->substream[chan],
drvdata, chan, irqs);
if (rv != IRQ_HANDLED)
return rv;
}
}
return IRQ_HANDLED;
}
static int lpass_platform_alloc_buffer(struct snd_pcm_substream *substream,
struct snd_soc_pcm_runtime *soc_runtime)
{
@ -448,9 +477,27 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime)
struct snd_pcm *pcm = soc_runtime->pcm;
struct snd_pcm_substream *substream =
pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
struct lpass_variant *v = drvdata->variant;
int ret;
struct lpass_pcm_data *data;
data = devm_kzalloc(soc_runtime->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
if (v->alloc_dma_channel)
data->rdma_ch = v->alloc_dma_channel(drvdata);
if (IS_ERR_VALUE(data->rdma_ch))
return data->rdma_ch;
drvdata->substream[data->rdma_ch] = substream;
data->i2s_port = cpu_dai->driver->id;
snd_soc_pcm_set_drvdata(soc_runtime, data);
soc_runtime->dev->coherent_dma_mask = DMA_BIT_MASK(32);
soc_runtime->dev->dma_mask = &soc_runtime->dev->coherent_dma_mask;
@ -459,29 +506,12 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime)
if (ret)
return ret;
ret = devm_request_irq(soc_runtime->dev, drvdata->lpaif_irq,
lpass_platform_lpaif_irq, IRQF_TRIGGER_RISING,
"lpass-irq-lpaif", substream);
if (ret) {
dev_err(soc_runtime->dev, "%s() irq request failed: %d\n",
__func__, ret);
goto err_buf;
}
/* ensure audio hardware is disabled */
ret = regmap_write(drvdata->lpaif_map,
LPAIF_IRQEN_REG(LPAIF_IRQ_PORT_HOST), 0);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to irqen reg: %d\n",
__func__, ret);
return ret;
}
ret = regmap_write(drvdata->lpaif_map,
LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S), 0);
LPAIF_RDMACTL_REG(v, data->rdma_ch), 0);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n",
__func__, ret);
return ret;
goto err_buf;
}
return 0;
@ -496,6 +526,15 @@ static void lpass_platform_pcm_free(struct snd_pcm *pcm)
struct snd_pcm_substream *substream =
pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
struct lpass_pcm_data *data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_variant *v = drvdata->variant;
drvdata->substream[data->rdma_ch] = NULL;
if (v->free_dma_channel)
v->free_dma_channel(drvdata, data->rdma_ch);
lpass_platform_free_buffer(substream, soc_runtime);
}
@ -509,6 +548,8 @@ static struct snd_soc_platform_driver lpass_platform_driver = {
int asoc_qcom_lpass_platform_register(struct platform_device *pdev)
{
struct lpass_data *drvdata = platform_get_drvdata(pdev);
struct lpass_variant *v = drvdata->variant;
int ret;
drvdata->lpaif_irq = platform_get_irq_byname(pdev, "lpass-irq-lpaif");
if (drvdata->lpaif_irq < 0) {
@ -517,6 +558,25 @@ int asoc_qcom_lpass_platform_register(struct platform_device *pdev)
return -ENODEV;
}
/* ensure audio hardware is disabled */
ret = regmap_write(drvdata->lpaif_map,
LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST), 0);
if (ret) {
dev_err(&pdev->dev, "%s() error writing to irqen reg: %d\n",
__func__, ret);
return ret;
}
ret = devm_request_irq(&pdev->dev, drvdata->lpaif_irq,
lpass_platform_lpaif_irq, IRQF_TRIGGER_RISING,
"lpass-irq-lpaif", drvdata);
if (ret) {
dev_err(&pdev->dev, "%s() irq request failed: %d\n",
__func__, ret);
return ret;
}
return devm_snd_soc_register_platform(&pdev->dev,
&lpass_platform_driver);
}

51
sound/soc/qcom/lpass.h
View File

@ -22,6 +22,8 @@
#include <linux/regmap.h>
#define LPASS_AHBIX_CLOCK_FREQUENCY 131072000
#define LPASS_MAX_MI2S_PORTS (8)
#define LPASS_MAX_DMA_CHANNELS (8)
/* Both the CPU DAI and platform drivers will access this data */
struct lpass_data {
@ -30,10 +32,10 @@ struct lpass_data {
struct clk *ahbix_clk;
/* MI2S system clock */
struct clk *mi2s_osr_clk;
struct clk *mi2s_osr_clk[LPASS_MAX_MI2S_PORTS];
/* MI2S bit clock (derived from system clock by a divider */
struct clk *mi2s_bit_clk;
struct clk *mi2s_bit_clk[LPASS_MAX_MI2S_PORTS];
/* low-power audio interface (LPAIF) registers */
void __iomem *lpaif;
@ -43,9 +45,54 @@ struct lpass_data {
/* interrupts from the low-power audio interface (LPAIF) */
int lpaif_irq;
/* SOC specific variations in the LPASS IP integration */
struct lpass_variant *variant;
/* bit map to keep track of static channel allocations */
unsigned long rdma_ch_bit_map;
/* used it for handling interrupt per dma channel */
struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS];
/* 8016 specific */
struct clk *pcnoc_mport_clk;
struct clk *pcnoc_sway_clk;
};
/* Vairant data per each SOC */
struct lpass_variant {
u32 i2sctrl_reg_base;
u32 i2sctrl_reg_stride;
u32 i2s_ports;
u32 irq_reg_base;
u32 irq_reg_stride;
u32 irq_ports;
u32 rdma_reg_base;
u32 rdma_reg_stride;
u32 rdma_channels;
/**
* on SOCs like APQ8016 the channel control bits start
* at different offset to ipq806x
**/
u32 rdmactl_audif_start;
/* SOC specific intialization like clocks */
int (*init)(struct platform_device *pdev);
int (*exit)(struct platform_device *pdev);
int (*alloc_dma_channel)(struct lpass_data *data);
int (*free_dma_channel)(struct lpass_data *data, int ch);
/* SOC specific dais */
struct snd_soc_dai_driver *dai_driver;
int num_dai;
};
/* register the platform driver from the CPU DAI driver */
int asoc_qcom_lpass_platform_register(struct platform_device *);
int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev);
int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev);
int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai);
extern struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops;
#endif /* __LPASS_H__ */

32
sound/soc/sh/rcar/core.c
View File

@ -170,6 +170,14 @@ void rsnd_mod_quit(struct rsnd_mod *mod)
clk_unprepare(mod->clk);
}
int rsnd_mod_is_working(struct rsnd_mod *mod)
{
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
/* see rsnd_dai_stream_init/quit() */
return !!io->substream;
}
/*
* settting function
*/
@ -272,9 +280,10 @@ struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id)
return priv->rdai + id;
}
#define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai)
static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai)
{
struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai);
struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
return rsnd_rdai_get(priv, dai->id);
}
@ -314,7 +323,7 @@ void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte)
}
}
static int rsnd_dai_stream_init(struct rsnd_dai_stream *io,
static void rsnd_dai_stream_init(struct rsnd_dai_stream *io,
struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
@ -326,8 +335,11 @@ static int rsnd_dai_stream_init(struct rsnd_dai_stream *io,
runtime->channels *
samples_to_bytes(runtime, 1);
io->next_period_byte = io->byte_per_period;
}
return 0;
static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io)
{
io->substream = NULL;
}
static
@ -351,20 +363,18 @@ struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai,
static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai);
struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io));
int ret;
unsigned long flags;
rsnd_lock(priv, flags);
spin_lock_irqsave(&priv->lock, flags);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
ret = rsnd_dai_stream_init(io, substream);
if (ret < 0)
goto dai_trigger_end;
rsnd_dai_stream_init(io, substream);
ret = rsnd_platform_call(priv, dai, start, ssi_id);
if (ret < 0)
@ -390,13 +400,15 @@ static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
ret = rsnd_platform_call(priv, dai, stop, ssi_id);
if (ret < 0)
goto dai_trigger_end;
rsnd_dai_stream_quit(io);
break;
default:
ret = -EINVAL;
}
dai_trigger_end:
rsnd_unlock(priv, flags);
spin_unlock_irqrestore(&priv->lock, flags);
return ret;
}
@ -833,12 +845,14 @@ static int __rsnd_kctrl_new(struct rsnd_mod *mod,
struct rsnd_kctrl_cfg *cfg,
void (*update)(struct rsnd_mod *mod))
{
struct snd_soc_card *soc_card = rtd->card;
struct snd_card *card = rtd->card->snd_card;
struct snd_kcontrol *kctrl;
struct snd_kcontrol_new knew = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = name,
.info = rsnd_kctrl_info,
.index = rtd - soc_card->rtd,
.get = rsnd_kctrl_get,
.put = rsnd_kctrl_put,
.private_value = (unsigned long)cfg,

3
sound/soc/sh/rcar/rsnd.h
View File

@ -303,6 +303,7 @@ int rsnd_mod_init(struct rsnd_mod *mod,
int id);
void rsnd_mod_quit(struct rsnd_mod *mod);
char *rsnd_mod_name(struct rsnd_mod *mod);
int rsnd_mod_is_working(struct rsnd_mod *mod);
struct dma_chan *rsnd_mod_dma_req(struct rsnd_mod *mod);
/*
@ -449,8 +450,6 @@ struct rsnd_priv {
#define rsnd_priv_to_pdev(priv) ((priv)->pdev)
#define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev))
#define rsnd_priv_to_info(priv) ((priv)->info)
#define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
#define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)
/*
* rsnd_kctrl

1
sound/soc/sh/rcar/rsrc-card.c
View File

@ -232,6 +232,7 @@ rsrc_card_sub_parse_of(struct rsrc_card_priv *priv,
if (args_count) {
*args_count = args.args_count;
dai_link->dynamic = 1;
dai_link->dpcm_merged_format = 1;
} else {
dai_link->no_pcm = 1;
priv->codec_conf.of_node = (*p_node);

11
sound/soc/sh/rcar/src.c
View File

@ -673,10 +673,13 @@ static int _rsnd_src_stop_gen2(struct rsnd_mod *mod)
static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data)
{
struct rsnd_mod *mod = data;
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
if (!io)
return IRQ_NONE;
spin_lock(&priv->lock);
/* ignore all cases if not working */
if (!rsnd_mod_is_working(mod))
goto rsnd_src_interrupt_gen2_out;
if (rsnd_src_error_record_gen2(mod)) {
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
@ -692,6 +695,8 @@ static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data)
else
dev_warn(dev, "no more SRC restart\n");
}
rsnd_src_interrupt_gen2_out:
spin_unlock(&priv->lock);
return IRQ_HANDLED;
}

70
sound/soc/sh/rcar/ssi.c
View File

@ -66,6 +66,7 @@ struct rsnd_ssi {
u32 cr_own;
u32 cr_clk;
int chan;
int err;
unsigned int usrcnt;
};
@ -80,7 +81,7 @@ struct rsnd_ssi {
#define rsnd_mod_to_ssi(_mod) container_of((_mod), struct rsnd_ssi, mod)
#define rsnd_dma_to_ssi(dma) rsnd_mod_to_ssi(rsnd_dma_to_mod(dma))
#define rsnd_ssi_pio_available(ssi) ((ssi)->info->irq > 0)
#define rsnd_ssi_clk_from_parent(ssi) ((ssi)->parent)
#define rsnd_ssi_parent(ssi) ((ssi)->parent)
#define rsnd_ssi_mode_flags(p) ((p)->info->flags)
#define rsnd_ssi_dai_id(ssi) ((ssi)->info->dai_id)
#define rsnd_ssi_of_node(priv) \
@ -189,8 +190,10 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
rsnd_mod_hw_start(&ssi->mod);
if (rsnd_rdai_is_clk_master(rdai)) {
if (rsnd_ssi_clk_from_parent(ssi))
rsnd_ssi_hw_start(ssi->parent, io);
struct rsnd_ssi *ssi_parent = rsnd_ssi_parent(ssi);
if (ssi_parent)
rsnd_ssi_hw_start(ssi_parent, io);
else
rsnd_ssi_master_clk_start(ssi, io);
}
@ -229,8 +232,10 @@ static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi)
struct device *dev = rsnd_priv_to_dev(priv);
u32 cr;
if (0 == ssi->usrcnt) /* stop might be called without start */
if (0 == ssi->usrcnt) {
dev_err(dev, "%s called without starting\n", __func__);
return;
}
ssi->usrcnt--;
@ -253,13 +258,17 @@ static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi)
rsnd_ssi_status_check(&ssi->mod, IIRQ);
if (rsnd_rdai_is_clk_master(rdai)) {
if (rsnd_ssi_clk_from_parent(ssi))
rsnd_ssi_hw_stop(ssi->parent);
struct rsnd_ssi *ssi_parent = rsnd_ssi_parent(ssi);
if (ssi_parent)
rsnd_ssi_hw_stop(ssi_parent);
else
rsnd_ssi_master_clk_stop(ssi);
}
rsnd_mod_hw_stop(&ssi->mod);
ssi->chan = 0;
}
dev_dbg(dev, "%s[%d] hw stopped\n",
@ -336,6 +345,35 @@ static int rsnd_ssi_quit(struct rsnd_mod *mod,
return 0;
}
static int rsnd_ssi_hw_params(struct rsnd_mod *mod,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct rsnd_ssi *ssi_parent = rsnd_ssi_parent(ssi);
int chan = params_channels(params);
/*
* Already working.
* It will happen if SSI has parent/child connection.
*/
if (ssi->usrcnt) {
/*
* it is error if child <-> parent SSI uses
* different channels.
*/
if (ssi->chan != chan)
return -EIO;
}
/* It will be removed on rsnd_ssi_hw_stop */
ssi->chan = chan;
if (ssi_parent)
return rsnd_ssi_hw_params(&ssi_parent->mod, substream, params);
return 0;
}
static void rsnd_ssi_record_error(struct rsnd_ssi *ssi, u32 status)
{
/* under/over flow error */
@ -385,10 +423,15 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
int is_dma = rsnd_ssi_is_dma_mode(mod);
u32 status = rsnd_mod_read(mod, SSISR);
u32 status;
if (!io)
return IRQ_NONE;
spin_lock(&priv->lock);
/* ignore all cases if not working */
if (!rsnd_mod_is_working(mod))
goto rsnd_ssi_interrupt_out;
status = rsnd_mod_read(mod, SSISR);
/* PIO only */
if (!is_dma && (status & DIRQ)) {
@ -428,6 +471,9 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
rsnd_ssi_record_error(ssi, status);
rsnd_ssi_interrupt_out:
spin_unlock(&priv->lock);
return IRQ_HANDLED;
}
@ -456,6 +502,7 @@ static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
.quit = rsnd_ssi_quit,
.start = rsnd_ssi_start,
.stop = rsnd_ssi_stop,
.hw_params = rsnd_ssi_hw_params,
};
static int rsnd_ssi_dma_probe(struct rsnd_mod *mod,
@ -565,6 +612,7 @@ static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
.start = rsnd_ssi_dma_start,
.stop = rsnd_ssi_dma_stop,
.fallback = rsnd_ssi_fallback,
.hw_params = rsnd_ssi_hw_params,
};
int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)
@ -598,7 +646,7 @@ int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod)
return !!(rsnd_ssi_mode_flags(ssi) & RSND_SSI_CLK_PIN_SHARE);
}
static void rsnd_ssi_parent_clk_setup(struct rsnd_priv *priv, struct rsnd_ssi *ssi)
static void rsnd_ssi_parent_setup(struct rsnd_priv *priv, struct rsnd_ssi *ssi)
{
if (!rsnd_ssi_is_pin_sharing(&ssi->mod))
return;
@ -732,7 +780,7 @@ int rsnd_ssi_probe(struct platform_device *pdev,
if (ret)
return ret;
rsnd_ssi_parent_clk_setup(priv, ssi);
rsnd_ssi_parent_setup(priv, ssi);
}
return 0;