ASoC: SSM2602: convert to soc-cache
Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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1afa98b807
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93547e89b6
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@ -48,7 +48,6 @@
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struct ssm2602_priv {
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unsigned int sysclk;
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enum snd_soc_control_type control_type;
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void *control_data;
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struct snd_pcm_substream *master_substream;
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struct snd_pcm_substream *slave_substream;
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};
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@ -65,55 +64,7 @@ static const u16 ssm2602_reg[SSM2602_CACHEREGNUM] = {
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0x0000, 0x0000
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};
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/*
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* read ssm2602 register cache
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*/
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static inline unsigned int ssm2602_read_reg_cache(struct snd_soc_codec *codec,
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unsigned int reg)
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{
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u16 *cache = codec->reg_cache;
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if (reg == SSM2602_RESET)
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return 0;
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if (reg >= SSM2602_CACHEREGNUM)
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return -1;
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return cache[reg];
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}
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/*
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* write ssm2602 register cache
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*/
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static inline void ssm2602_write_reg_cache(struct snd_soc_codec *codec,
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u16 reg, unsigned int value)
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{
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u16 *cache = codec->reg_cache;
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if (reg >= SSM2602_CACHEREGNUM)
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return;
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cache[reg] = value;
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}
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/*
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* write to the ssm2602 register space
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*/
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static int ssm2602_write(struct snd_soc_codec *codec, unsigned int reg,
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unsigned int value)
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{
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u8 data[2];
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/* data is
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* D15..D9 ssm2602 register offset
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* D8...D0 register data
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*/
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data[0] = (reg << 1) | ((value >> 8) & 0x0001);
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data[1] = value & 0x00ff;
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ssm2602_write_reg_cache(codec, reg, value);
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if (codec->hw_write(codec->control_data, data, 2) == 2)
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return 0;
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else
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return -EIO;
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}
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#define ssm2602_reset(c) ssm2602_write(c, SSM2602_RESET, 0)
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#define ssm2602_reset(c) snd_soc_write(c, SSM2602_RESET, 0)
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/*Appending several "None"s just for OSS mixer use*/
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static const char *ssm2602_input_select[] = {
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@ -278,12 +229,11 @@ static int ssm2602_hw_params(struct snd_pcm_substream *substream,
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_codec *codec = rtd->codec;
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struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
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struct i2c_client *i2c = codec->control_data;
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u16 iface = ssm2602_read_reg_cache(codec, SSM2602_IFACE) & 0xfff3;
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u16 iface = snd_soc_read(codec, SSM2602_IFACE) & 0xfff3;
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int i = get_coeff(ssm2602->sysclk, params_rate(params));
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if (substream == ssm2602->slave_substream) {
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dev_dbg(&i2c->dev, "Ignoring hw_params for slave substream\n");
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dev_dbg(codec->dev, "Ignoring hw_params for slave substream\n");
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return 0;
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}
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@ -294,8 +244,8 @@ static int ssm2602_hw_params(struct snd_pcm_substream *substream,
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srate = (coeff_div[i].sr << 2) |
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(coeff_div[i].bosr << 1) | coeff_div[i].usb;
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ssm2602_write(codec, SSM2602_ACTIVE, 0);
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ssm2602_write(codec, SSM2602_SRATE, srate);
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snd_soc_write(codec, SSM2602_ACTIVE, 0);
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snd_soc_write(codec, SSM2602_SRATE, srate);
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/* bit size */
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switch (params_format(params)) {
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@ -311,8 +261,8 @@ static int ssm2602_hw_params(struct snd_pcm_substream *substream,
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iface |= 0x000c;
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break;
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}
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ssm2602_write(codec, SSM2602_IFACE, iface);
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ssm2602_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
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snd_soc_write(codec, SSM2602_IFACE, iface);
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snd_soc_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
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return 0;
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}
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@ -360,7 +310,7 @@ static int ssm2602_pcm_prepare(struct snd_pcm_substream *substream,
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_codec *codec = rtd->codec;
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/* set active */
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ssm2602_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
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snd_soc_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
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return 0;
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}
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@ -374,7 +324,7 @@ static void ssm2602_shutdown(struct snd_pcm_substream *substream,
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/* deactivate */
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if (!codec->active)
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ssm2602_write(codec, SSM2602_ACTIVE, 0);
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snd_soc_write(codec, SSM2602_ACTIVE, 0);
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if (ssm2602->master_substream == substream)
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ssm2602->master_substream = ssm2602->slave_substream;
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@ -385,12 +335,12 @@ static void ssm2602_shutdown(struct snd_pcm_substream *substream,
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static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
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{
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struct snd_soc_codec *codec = dai->codec;
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u16 mute_reg = ssm2602_read_reg_cache(codec, SSM2602_APDIGI) & ~APDIGI_ENABLE_DAC_MUTE;
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u16 mute_reg = snd_soc_read(codec, SSM2602_APDIGI) & ~APDIGI_ENABLE_DAC_MUTE;
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if (mute)
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ssm2602_write(codec, SSM2602_APDIGI,
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snd_soc_write(codec, SSM2602_APDIGI,
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mute_reg | APDIGI_ENABLE_DAC_MUTE);
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else
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ssm2602_write(codec, SSM2602_APDIGI, mute_reg);
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snd_soc_write(codec, SSM2602_APDIGI, mute_reg);
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return 0;
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}
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@ -466,30 +416,30 @@ static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai,
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}
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/* set iface */
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ssm2602_write(codec, SSM2602_IFACE, iface);
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snd_soc_write(codec, SSM2602_IFACE, iface);
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return 0;
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}
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static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
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enum snd_soc_bias_level level)
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{
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u16 reg = ssm2602_read_reg_cache(codec, SSM2602_PWR) & 0xff7f;
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u16 reg = snd_soc_read(codec, SSM2602_PWR) & 0xff7f;
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switch (level) {
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case SND_SOC_BIAS_ON:
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/* vref/mid, osc on, dac unmute */
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ssm2602_write(codec, SSM2602_PWR, reg);
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snd_soc_write(codec, SSM2602_PWR, reg);
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break;
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case SND_SOC_BIAS_PREPARE:
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break;
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case SND_SOC_BIAS_STANDBY:
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/* everything off except vref/vmid, */
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ssm2602_write(codec, SSM2602_PWR, reg | PWR_CLK_OUT_PDN);
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snd_soc_write(codec, SSM2602_PWR, reg | PWR_CLK_OUT_PDN);
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break;
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case SND_SOC_BIAS_OFF:
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/* everything off, dac mute, inactive */
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ssm2602_write(codec, SSM2602_ACTIVE, 0);
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ssm2602_write(codec, SSM2602_PWR, 0xffff);
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snd_soc_write(codec, SSM2602_ACTIVE, 0);
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snd_soc_write(codec, SSM2602_PWR, 0xffff);
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break;
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}
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@ -539,17 +489,10 @@ static int ssm2602_suspend(struct snd_soc_codec *codec, pm_message_t state)
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static int ssm2602_resume(struct snd_soc_codec *codec)
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{
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int i;
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u8 data[2];
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u16 *cache = codec->reg_cache;
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snd_soc_cache_sync(codec);
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/* Sync reg_cache with the hardware */
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for (i = 0; i < ARRAY_SIZE(ssm2602_reg); i++) {
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data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
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data[1] = cache[i] & 0x00ff;
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codec->hw_write(codec->control_data, data, 2);
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}
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ssm2602_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
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return 0;
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}
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@ -560,31 +503,39 @@ static int ssm2602_probe(struct snd_soc_codec *codec)
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pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION);
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codec->control_data = ssm2602->control_data;
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ret = snd_soc_codec_set_cache_io(codec, 7, 9, ssm2602->control_type);
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if (ret < 0) {
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dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
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return ret;
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}
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ssm2602_reset(codec);
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ret = ssm2602_reset(codec);
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if (ret < 0) {
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dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
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return ret;
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}
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/*power on device*/
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ssm2602_write(codec, SSM2602_ACTIVE, 0);
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snd_soc_write(codec, SSM2602_ACTIVE, 0);
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/* set the update bits */
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reg = ssm2602_read_reg_cache(codec, SSM2602_LINVOL);
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ssm2602_write(codec, SSM2602_LINVOL, reg | LINVOL_LRIN_BOTH);
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reg = ssm2602_read_reg_cache(codec, SSM2602_RINVOL);
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ssm2602_write(codec, SSM2602_RINVOL, reg | RINVOL_RLIN_BOTH);
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reg = ssm2602_read_reg_cache(codec, SSM2602_LOUT1V);
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ssm2602_write(codec, SSM2602_LOUT1V, reg | LOUT1V_LRHP_BOTH);
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reg = ssm2602_read_reg_cache(codec, SSM2602_ROUT1V);
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ssm2602_write(codec, SSM2602_ROUT1V, reg | ROUT1V_RLHP_BOTH);
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reg = snd_soc_read(codec, SSM2602_LINVOL);
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snd_soc_write(codec, SSM2602_LINVOL, reg | LINVOL_LRIN_BOTH);
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reg = snd_soc_read(codec, SSM2602_RINVOL);
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snd_soc_write(codec, SSM2602_RINVOL, reg | RINVOL_RLIN_BOTH);
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reg = snd_soc_read(codec, SSM2602_LOUT1V);
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snd_soc_write(codec, SSM2602_LOUT1V, reg | LOUT1V_LRHP_BOTH);
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reg = snd_soc_read(codec, SSM2602_ROUT1V);
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snd_soc_write(codec, SSM2602_ROUT1V, reg | ROUT1V_RLHP_BOTH);
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/*select Line in as default input*/
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ssm2602_write(codec, SSM2602_APANA, APANA_SELECT_DAC |
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snd_soc_write(codec, SSM2602_APANA, APANA_SELECT_DAC |
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APANA_ENABLE_MIC_BOOST);
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ssm2602_write(codec, SSM2602_PWR, 0);
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snd_soc_write(codec, SSM2602_PWR, 0);
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snd_soc_add_controls(codec, ssm2602_snd_controls,
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ARRAY_SIZE(ssm2602_snd_controls));
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ssm2602_add_widgets(codec);
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return ret;
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return 0;
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}
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/* remove everything here */
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@ -599,8 +550,6 @@ static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
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.remove = ssm2602_remove,
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.suspend = ssm2602_suspend,
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.resume = ssm2602_resume,
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.read = ssm2602_read_reg_cache,
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.write = ssm2602_write,
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.set_bias_level = ssm2602_set_bias_level,
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.reg_cache_size = sizeof(ssm2602_reg),
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.reg_word_size = sizeof(u16),
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@ -625,7 +574,6 @@ static int ssm2602_i2c_probe(struct i2c_client *i2c,
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return -ENOMEM;
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i2c_set_clientdata(i2c, ssm2602);
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ssm2602->control_data = i2c;
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ssm2602->control_type = SND_SOC_I2C;
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ret = snd_soc_register_codec(&i2c->dev,
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