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authorRongjun Ying <rongjun.ying@csr.com>2014-03-20 15:46:19 +0800
committerMark Brown <broonie@linaro.org>2014-04-14 17:28:17 +0100
commitb87704cef258a4f44ab1386a70b7628ec3cefd36 (patch)
treee68da26e46bdf6a8057b4aad67762d25875b22bf /sound/soc/sirf
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
ASoC: sirf: Move the tx rx enable from port to codec, that will not need register sharing
The port driver only used to register component and dmaengine pcm. Signed-off-by: Rongjun Ying <rongjun.ying@csr.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/sirf')
-rw-r--r--sound/soc/sirf/sirf-audio-port.c107
-rw-r--r--sound/soc/sirf/sirf-audio-port.h62
2 files changed, 0 insertions, 169 deletions
diff --git a/sound/soc/sirf/sirf-audio-port.c b/sound/soc/sirf/sirf-audio-port.c
index b04a53f2b4f6..b4afa31b2bc1 100644
--- a/sound/soc/sirf/sirf-audio-port.c
+++ b/sound/soc/sirf/sirf-audio-port.c
@@ -6,60 +6,15 @@
* Licensed under GPLv2 or later.
*/
#include <linux/module.h>
-#include <linux/io.h>
-#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
-#include "sirf-audio-port.h"
-
struct sirf_audio_port {
struct regmap *regmap;
struct snd_dmaengine_dai_dma_data playback_dma_data;
struct snd_dmaengine_dai_dma_data capture_dma_data;
};
-static void sirf_audio_port_tx_enable(struct sirf_audio_port *port)
-{
- regmap_update_bits(port->regmap, AUDIO_PORT_IC_TXFIFO_OP,
- AUDIO_FIFO_RESET, AUDIO_FIFO_RESET);
- regmap_write(port->regmap, AUDIO_PORT_IC_TXFIFO_INT_MSK, 0);
- regmap_write(port->regmap, AUDIO_PORT_IC_TXFIFO_OP, 0);
- regmap_update_bits(port->regmap, AUDIO_PORT_IC_TXFIFO_OP,
- AUDIO_FIFO_START, AUDIO_FIFO_START);
- regmap_update_bits(port->regmap, AUDIO_PORT_IC_CODEC_TX_CTRL,
- IC_TX_ENABLE, IC_TX_ENABLE);
-}
-
-static void sirf_audio_port_tx_disable(struct sirf_audio_port *port)
-{
- regmap_write(port->regmap, AUDIO_PORT_IC_TXFIFO_OP, 0);
- regmap_update_bits(port->regmap, AUDIO_PORT_IC_CODEC_TX_CTRL,
- IC_TX_ENABLE, ~IC_TX_ENABLE);
-}
-
-static void sirf_audio_port_rx_enable(struct sirf_audio_port *port,
- int channels)
-{
- regmap_update_bits(port->regmap, AUDIO_PORT_IC_RXFIFO_OP,
- AUDIO_FIFO_RESET, AUDIO_FIFO_RESET);
- regmap_write(port->regmap, AUDIO_PORT_IC_RXFIFO_INT_MSK, 0);
- regmap_write(port->regmap, AUDIO_PORT_IC_RXFIFO_OP, 0);
- regmap_update_bits(port->regmap, AUDIO_PORT_IC_RXFIFO_OP,
- AUDIO_FIFO_START, AUDIO_FIFO_START);
- if (channels == 1)
- regmap_update_bits(port->regmap, AUDIO_PORT_IC_CODEC_RX_CTRL,
- IC_RX_ENABLE_MONO, IC_RX_ENABLE_MONO);
- else
- regmap_update_bits(port->regmap, AUDIO_PORT_IC_CODEC_RX_CTRL,
- IC_RX_ENABLE_STEREO, IC_RX_ENABLE_STEREO);
-}
-
-static void sirf_audio_port_rx_disable(struct sirf_audio_port *port)
-{
- regmap_update_bits(port->regmap, AUDIO_PORT_IC_CODEC_RX_CTRL,
- IC_RX_ENABLE_STEREO, ~IC_RX_ENABLE_STEREO);
-}
static int sirf_audio_port_dai_probe(struct snd_soc_dai *dai)
{
@@ -69,41 +24,6 @@ static int sirf_audio_port_dai_probe(struct snd_soc_dai *dai)
return 0;
}
-static int sirf_audio_port_trigger(struct snd_pcm_substream *substream, int cmd,
- struct snd_soc_dai *dai)
-{
- struct sirf_audio_port *port = snd_soc_dai_get_drvdata(dai);
- int playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- if (playback)
- sirf_audio_port_tx_disable(port);
- else
- sirf_audio_port_rx_disable(port);
- break;
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_RESUME:
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- if (playback)
- sirf_audio_port_tx_enable(port);
- else
- sirf_audio_port_rx_enable(port,
- substream->runtime->channels);
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static const struct snd_soc_dai_ops sirf_audio_port_dai_ops = {
- .trigger = sirf_audio_port_trigger,
-};
-
static struct snd_soc_dai_driver sirf_audio_port_dai = {
.probe = sirf_audio_port_dai_probe,
.name = "sirf-audio-port",
@@ -120,49 +40,22 @@ static struct snd_soc_dai_driver sirf_audio_port_dai = {
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
- .ops = &sirf_audio_port_dai_ops,
};
static const struct snd_soc_component_driver sirf_audio_port_component = {
.name = "sirf-audio-port",
};
-static const struct regmap_config sirf_audio_port_regmap_config = {
- .reg_bits = 32,
- .reg_stride = 4,
- .val_bits = 32,
- .max_register = AUDIO_PORT_IC_RXFIFO_INT_MSK,
- .cache_type = REGCACHE_NONE,
-};
-
static int sirf_audio_port_probe(struct platform_device *pdev)
{
int ret;
struct sirf_audio_port *port;
- void __iomem *base;
- struct resource *mem_res;
port = devm_kzalloc(&pdev->dev,
sizeof(struct sirf_audio_port), GFP_KERNEL);
if (!port)
return -ENOMEM;
- mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem_res) {
- dev_err(&pdev->dev, "no mem resource?\n");
- return -ENODEV;
- }
-
- base = devm_ioremap(&pdev->dev, mem_res->start,
- resource_size(mem_res));
- if (base == NULL)
- return -ENOMEM;
-
- port->regmap = devm_regmap_init_mmio(&pdev->dev, base,
- &sirf_audio_port_regmap_config);
- if (IS_ERR(port->regmap))
- return PTR_ERR(port->regmap);
-
ret = devm_snd_soc_register_component(&pdev->dev,
&sirf_audio_port_component, &sirf_audio_port_dai, 1);
if (ret)
diff --git a/sound/soc/sirf/sirf-audio-port.h b/sound/soc/sirf/sirf-audio-port.h
deleted file mode 100644
index f32dc54f4499..000000000000
--- a/sound/soc/sirf/sirf-audio-port.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * SiRF Audio port controllers define
- *
- * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
- */
-
-#ifndef _SIRF_AUDIO_PORT_H
-#define _SIRF_AUDIO_PORT_H
-
-#define AUDIO_PORT_TX_FIFO_LEVEL_CHECK_MASK 0x3F
-#define AUDIO_PORT_TX_FIFO_SC_OFFSET 0
-#define AUDIO_PORT_TX_FIFO_LC_OFFSET 10
-#define AUDIO_PORT_TX_FIFO_HC_OFFSET 20
-
-#define TX_FIFO_SC(x) (((x) & AUDIO_PORT_TX_FIFO_LEVEL_CHECK_MASK) \
- << AUDIO_PORT_TX_FIFO_SC_OFFSET)
-#define TX_FIFO_LC(x) (((x) & AUDIO_PORT_TX_FIFO_LEVEL_CHECK_MASK) \
- << AUDIO_PORT_TX_FIFO_LC_OFFSET)
-#define TX_FIFO_HC(x) (((x) & AUDIO_PORT_TX_FIFO_LEVEL_CHECK_MASK) \
- << AUDIO_PORT_TX_FIFO_HC_OFFSET)
-
-#define AUDIO_PORT_RX_FIFO_LEVEL_CHECK_MASK 0x0F
-#define AUDIO_PORT_RX_FIFO_SC_OFFSET 0
-#define AUDIO_PORT_RX_FIFO_LC_OFFSET 10
-#define AUDIO_PORT_RX_FIFO_HC_OFFSET 20
-
-#define RX_FIFO_SC(x) (((x) & AUDIO_PORT_RX_FIFO_LEVEL_CHECK_MASK) \
- << AUDIO_PORT_RX_FIFO_SC_OFFSET)
-#define RX_FIFO_LC(x) (((x) & AUDIO_PORT_RX_FIFO_LEVEL_CHECK_MASK) \
- << AUDIO_PORT_RX_FIFO_LC_OFFSET)
-#define RX_FIFO_HC(x) (((x) & AUDIO_PORT_RX_FIFO_LEVEL_CHECK_MASK) \
- << AUDIO_PORT_RX_FIFO_HC_OFFSET)
-#define AUDIO_PORT_IC_CODEC_TX_CTRL (0x00F4)
-#define AUDIO_PORT_IC_CODEC_RX_CTRL (0x00F8)
-
-#define AUDIO_PORT_IC_TXFIFO_OP (0x00FC)
-#define AUDIO_PORT_IC_TXFIFO_LEV_CHK (0x0100)
-#define AUDIO_PORT_IC_TXFIFO_STS (0x0104)
-#define AUDIO_PORT_IC_TXFIFO_INT (0x0108)
-#define AUDIO_PORT_IC_TXFIFO_INT_MSK (0x010C)
-
-#define AUDIO_PORT_IC_RXFIFO_OP (0x0110)
-#define AUDIO_PORT_IC_RXFIFO_LEV_CHK (0x0114)
-#define AUDIO_PORT_IC_RXFIFO_STS (0x0118)
-#define AUDIO_PORT_IC_RXFIFO_INT (0x011C)
-#define AUDIO_PORT_IC_RXFIFO_INT_MSK (0x0120)
-
-#define AUDIO_FIFO_START (1 << 0)
-#define AUDIO_FIFO_RESET (1 << 1)
-
-#define AUDIO_FIFO_FULL (1 << 0)
-#define AUDIO_FIFO_EMPTY (1 << 1)
-#define AUDIO_FIFO_OFLOW (1 << 2)
-#define AUDIO_FIFO_UFLOW (1 << 3)
-
-#define IC_TX_ENABLE (0x03)
-#define IC_RX_ENABLE_MONO (0x01)
-#define IC_RX_ENABLE_STEREO (0x03)
-
-#endif /*__SIRF_AUDIO_PORT_H*/