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>
{"Mic input mode mux", "Differential", "MICIN1"},
};
+static void sirf_audio_codec_tx_enable(struct sirf_audio_codec *sirf_audio_codec)
+{
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP,
+ AUDIO_FIFO_RESET, AUDIO_FIFO_RESET);
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP,
+ AUDIO_FIFO_RESET, ~AUDIO_FIFO_RESET);
+ regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_INT_MSK, 0);
+ regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP, 0);
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP,
+ AUDIO_FIFO_START, AUDIO_FIFO_START);
+ regmap_update_bits(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_CODEC_TX_CTRL, IC_TX_ENABLE, IC_TX_ENABLE);
+}
+
+static void sirf_audio_codec_tx_disable(struct sirf_audio_codec *sirf_audio_codec)
+{
+ regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_TXFIFO_OP, 0);
+ regmap_update_bits(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_CODEC_TX_CTRL, IC_TX_ENABLE, ~IC_TX_ENABLE);
+}
+
+static void sirf_audio_codec_rx_enable(struct sirf_audio_codec *sirf_audio_codec,
+ int channels)
+{
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP,
+ AUDIO_FIFO_RESET, AUDIO_FIFO_RESET);
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP,
+ AUDIO_FIFO_RESET, ~AUDIO_FIFO_RESET);
+ regmap_write(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_RXFIFO_INT_MSK, 0);
+ regmap_write(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP, 0);
+ regmap_update_bits(sirf_audio_codec->regmap, AUDIO_PORT_IC_RXFIFO_OP,
+ AUDIO_FIFO_START, AUDIO_FIFO_START);
+ if (channels == 1)
+ regmap_update_bits(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_CODEC_RX_CTRL,
+ IC_RX_ENABLE_MONO, IC_RX_ENABLE_MONO);
+ else
+ regmap_update_bits(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_CODEC_RX_CTRL,
+ IC_RX_ENABLE_STEREO, IC_RX_ENABLE_STEREO);
+}
+
+static void sirf_audio_codec_rx_disable(struct sirf_audio_codec *sirf_audio_codec)
+{
+ regmap_update_bits(sirf_audio_codec->regmap,
+ AUDIO_PORT_IC_CODEC_RX_CTRL,
+ IC_RX_ENABLE_STEREO, ~IC_RX_ENABLE_STEREO);
+}
+
static int sirf_audio_codec_trigger(struct snd_pcm_substream *substream,
int cmd,
struct snd_soc_dai *dai)
{
- int playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
struct snd_soc_codec *codec = dai->codec;
- u32 val = 0;
+ struct sirf_audio_codec *sirf_audio_codec = snd_soc_codec_get_drvdata(codec);
+ int playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
/*
* This is a workaround, When stop playback,
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (playback) {
+ snd_soc_update_bits(codec, AUDIO_IC_CODEC_CTRL0,
+ IC_HSLEN | IC_HSREN, 0);
+ sirf_audio_codec_tx_disable(sirf_audio_codec);
+ } else
+ sirf_audio_codec_rx_disable(sirf_audio_codec);
break;
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- if (playback)
- val = IC_HSLEN | IC_HSREN;
+ if (playback) {
+ sirf_audio_codec_tx_enable(sirf_audio_codec);
+ snd_soc_update_bits(codec, AUDIO_IC_CODEC_CTRL0,
+ IC_HSLEN | IC_HSREN, IC_HSLEN | IC_HSREN);
+ } else
+ sirf_audio_codec_rx_enable(sirf_audio_codec,
+ substream->runtime->channels);
break;
default:
return -EINVAL;
}
- if (playback)
- snd_soc_update_bits(codec, AUDIO_IC_CODEC_CTRL0,
- IC_HSLEN | IC_HSREN, val);
return 0;
}
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
- .max_register = AUDIO_IC_CODEC_CTRL3,
+ .max_register = AUDIO_PORT_IC_RXFIFO_INT_MSK,
.cache_type = REGCACHE_NONE,
};
#define IC_RXPGAR 0x7B
#define IC_RXPGAL 0x7B
+#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_CODEC_H*/
* 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)
{
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",
.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)
+++ /dev/null
-/*
- * 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*/
projects / linux.git / commitdiff