diff options
author | Mark Brown | 2009-08-07 11:43:58 +0100 |
---|---|---|
committer | Mark Brown | 2009-08-07 11:43:58 +0100 |
commit | 06cddefc1f25b847dafe392f3d5781482b3395b5 (patch) | |
tree | 97f4df2e4ae6a1e8194ca67ede1b552802ba2334 /sound/soc/codecs/wm9081.c | |
parent | b9b5cc26d0b3a9b361cc56c3a3b0d6f819b9195f (diff) | |
parent | 27ded041f03026e8c6be9efc626e11ddfb4620c1 (diff) |
Merge branch 'reg-cache' into for-2.6.32
Diffstat (limited to 'sound/soc/codecs/wm9081.c')
-rw-r--r-- | sound/soc/codecs/wm9081.c | 229 |
1 files changed, 85 insertions, 144 deletions
diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c index 156f2a4a5930..1f51dd542a46 100644 --- a/sound/soc/codecs/wm9081.c +++ b/sound/soc/codecs/wm9081.c @@ -168,84 +168,19 @@ struct wm9081_priv { struct wm9081_retune_mobile_config *retune; }; -static int wm9081_reg_is_volatile(int reg) +static int wm9081_volatile_register(unsigned int reg) { switch (reg) { + case WM9081_SOFTWARE_RESET: + return 1; default: return 0; } } -static unsigned int wm9081_read_reg_cache(struct snd_soc_codec *codec, - unsigned int reg) -{ - u16 *cache = codec->reg_cache; - BUG_ON(reg > WM9081_MAX_REGISTER); - return cache[reg]; -} - -static unsigned int wm9081_read_hw(struct snd_soc_codec *codec, u8 reg) -{ - struct i2c_msg xfer[2]; - u16 data; - int ret; - struct i2c_client *client = codec->control_data; - - BUG_ON(reg > WM9081_MAX_REGISTER); - - /* Write register */ - xfer[0].addr = client->addr; - xfer[0].flags = 0; - xfer[0].len = 1; - xfer[0].buf = ® - - /* Read data */ - xfer[1].addr = client->addr; - xfer[1].flags = I2C_M_RD; - xfer[1].len = 2; - xfer[1].buf = (u8 *)&data; - - ret = i2c_transfer(client->adapter, xfer, 2); - if (ret != 2) { - dev_err(&client->dev, "i2c_transfer() returned %d\n", ret); - return 0; - } - - return (data >> 8) | ((data & 0xff) << 8); -} - -static unsigned int wm9081_read(struct snd_soc_codec *codec, unsigned int reg) -{ - if (wm9081_reg_is_volatile(reg)) - return wm9081_read_hw(codec, reg); - else - return wm9081_read_reg_cache(codec, reg); -} - -static int wm9081_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int value) -{ - u16 *cache = codec->reg_cache; - u8 data[3]; - - BUG_ON(reg > WM9081_MAX_REGISTER); - - if (!wm9081_reg_is_volatile(reg)) - cache[reg] = value; - - data[0] = reg; - data[1] = value >> 8; - data[2] = value & 0x00ff; - - if (codec->hw_write(codec->control_data, data, 3) == 3) - return 0; - else - return -EIO; -} - static int wm9081_reset(struct snd_soc_codec *codec) { - return wm9081_write(codec, WM9081_SOFTWARE_RESET, 0); + return snd_soc_write(codec, WM9081_SOFTWARE_RESET, 0); } static const DECLARE_TLV_DB_SCALE(drc_in_tlv, -4500, 75, 0); @@ -356,7 +291,7 @@ static int speaker_mode_get(struct snd_kcontrol *kcontrol, struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); unsigned int reg; - reg = wm9081_read(codec, WM9081_ANALOGUE_SPEAKER_2); + reg = snd_soc_read(codec, WM9081_ANALOGUE_SPEAKER_2); if (reg & WM9081_SPK_MODE) ucontrol->value.integer.value[0] = 1; else @@ -375,8 +310,8 @@ static int speaker_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - unsigned int reg_pwr = wm9081_read(codec, WM9081_POWER_MANAGEMENT); - unsigned int reg2 = wm9081_read(codec, WM9081_ANALOGUE_SPEAKER_2); + unsigned int reg_pwr = snd_soc_read(codec, WM9081_POWER_MANAGEMENT); + unsigned int reg2 = snd_soc_read(codec, WM9081_ANALOGUE_SPEAKER_2); /* Are we changing anything? */ if (ucontrol->value.integer.value[0] == @@ -397,7 +332,7 @@ static int speaker_mode_put(struct snd_kcontrol *kcontrol, reg2 &= ~WM9081_SPK_MODE; } - wm9081_write(codec, WM9081_ANALOGUE_SPEAKER_2, reg2); + snd_soc_write(codec, WM9081_ANALOGUE_SPEAKER_2, reg2); return 0; } @@ -456,7 +391,7 @@ static int speaker_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; - unsigned int reg = wm9081_read(codec, WM9081_POWER_MANAGEMENT); + unsigned int reg = snd_soc_read(codec, WM9081_POWER_MANAGEMENT); switch (event) { case SND_SOC_DAPM_POST_PMU: @@ -468,7 +403,7 @@ static int speaker_event(struct snd_soc_dapm_widget *w, break; } - wm9081_write(codec, WM9081_POWER_MANAGEMENT, reg); + snd_soc_write(codec, WM9081_POWER_MANAGEMENT, reg); return 0; } @@ -607,7 +542,7 @@ static int wm9081_set_fll(struct snd_soc_codec *codec, int fll_id, if (ret != 0) return ret; - reg5 = wm9081_read(codec, WM9081_FLL_CONTROL_5); + reg5 = snd_soc_read(codec, WM9081_FLL_CONTROL_5); reg5 &= ~WM9081_FLL_CLK_SRC_MASK; switch (fll_id) { @@ -621,44 +556,44 @@ static int wm9081_set_fll(struct snd_soc_codec *codec, int fll_id, } /* Disable CLK_SYS while we reconfigure */ - clk_sys_reg = wm9081_read(codec, WM9081_CLOCK_CONTROL_3); + clk_sys_reg = snd_soc_read(codec, WM9081_CLOCK_CONTROL_3); if (clk_sys_reg & WM9081_CLK_SYS_ENA) - wm9081_write(codec, WM9081_CLOCK_CONTROL_3, + snd_soc_write(codec, WM9081_CLOCK_CONTROL_3, clk_sys_reg & ~WM9081_CLK_SYS_ENA); /* Any FLL configuration change requires that the FLL be * disabled first. */ - reg1 = wm9081_read(codec, WM9081_FLL_CONTROL_1); + reg1 = snd_soc_read(codec, WM9081_FLL_CONTROL_1); reg1 &= ~WM9081_FLL_ENA; - wm9081_write(codec, WM9081_FLL_CONTROL_1, reg1); + snd_soc_write(codec, WM9081_FLL_CONTROL_1, reg1); /* Apply the configuration */ if (fll_div.k) reg1 |= WM9081_FLL_FRAC_MASK; else reg1 &= ~WM9081_FLL_FRAC_MASK; - wm9081_write(codec, WM9081_FLL_CONTROL_1, reg1); + snd_soc_write(codec, WM9081_FLL_CONTROL_1, reg1); - wm9081_write(codec, WM9081_FLL_CONTROL_2, + snd_soc_write(codec, WM9081_FLL_CONTROL_2, (fll_div.fll_outdiv << WM9081_FLL_OUTDIV_SHIFT) | (fll_div.fll_fratio << WM9081_FLL_FRATIO_SHIFT)); - wm9081_write(codec, WM9081_FLL_CONTROL_3, fll_div.k); + snd_soc_write(codec, WM9081_FLL_CONTROL_3, fll_div.k); - reg4 = wm9081_read(codec, WM9081_FLL_CONTROL_4); + reg4 = snd_soc_read(codec, WM9081_FLL_CONTROL_4); reg4 &= ~WM9081_FLL_N_MASK; reg4 |= fll_div.n << WM9081_FLL_N_SHIFT; - wm9081_write(codec, WM9081_FLL_CONTROL_4, reg4); + snd_soc_write(codec, WM9081_FLL_CONTROL_4, reg4); reg5 &= ~WM9081_FLL_CLK_REF_DIV_MASK; reg5 |= fll_div.fll_clk_ref_div << WM9081_FLL_CLK_REF_DIV_SHIFT; - wm9081_write(codec, WM9081_FLL_CONTROL_5, reg5); + snd_soc_write(codec, WM9081_FLL_CONTROL_5, reg5); /* Enable the FLL */ - wm9081_write(codec, WM9081_FLL_CONTROL_1, reg1 | WM9081_FLL_ENA); + snd_soc_write(codec, WM9081_FLL_CONTROL_1, reg1 | WM9081_FLL_ENA); /* Then bring CLK_SYS up again if it was disabled */ if (clk_sys_reg & WM9081_CLK_SYS_ENA) - wm9081_write(codec, WM9081_CLOCK_CONTROL_3, clk_sys_reg); + snd_soc_write(codec, WM9081_CLOCK_CONTROL_3, clk_sys_reg); dev_dbg(codec->dev, "FLL enabled at %dHz->%dHz\n", Fref, Fout); @@ -742,19 +677,19 @@ static int configure_clock(struct snd_soc_codec *codec) return -EINVAL; } - reg = wm9081_read(codec, WM9081_CLOCK_CONTROL_1); + reg = snd_soc_read(codec, WM9081_CLOCK_CONTROL_1); if (mclkdiv) reg |= WM9081_MCLKDIV2; else reg &= ~WM9081_MCLKDIV2; - wm9081_write(codec, WM9081_CLOCK_CONTROL_1, reg); + snd_soc_write(codec, WM9081_CLOCK_CONTROL_1, reg); - reg = wm9081_read(codec, WM9081_CLOCK_CONTROL_3); + reg = snd_soc_read(codec, WM9081_CLOCK_CONTROL_3); if (fll) reg |= WM9081_CLK_SRC_SEL; else reg &= ~WM9081_CLK_SRC_SEL; - wm9081_write(codec, WM9081_CLOCK_CONTROL_3, reg); + snd_soc_write(codec, WM9081_CLOCK_CONTROL_3, reg); dev_dbg(codec->dev, "CLK_SYS is %dHz\n", wm9081->sysclk_rate); @@ -854,76 +789,76 @@ static int wm9081_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_PREPARE: /* VMID=2*40k */ - reg = wm9081_read(codec, WM9081_VMID_CONTROL); + reg = snd_soc_read(codec, WM9081_VMID_CONTROL); reg &= ~WM9081_VMID_SEL_MASK; reg |= 0x2; - wm9081_write(codec, WM9081_VMID_CONTROL, reg); + snd_soc_write(codec, WM9081_VMID_CONTROL, reg); /* Normal bias current */ - reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1); reg &= ~WM9081_STBY_BIAS_ENA; - wm9081_write(codec, WM9081_BIAS_CONTROL_1, reg); + snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg); break; case SND_SOC_BIAS_STANDBY: /* Initial cold start */ if (codec->bias_level == SND_SOC_BIAS_OFF) { /* Disable LINEOUT discharge */ - reg = wm9081_read(codec, WM9081_ANTI_POP_CONTROL); + reg = snd_soc_read(codec, WM9081_ANTI_POP_CONTROL); reg &= ~WM9081_LINEOUT_DISCH; - wm9081_write(codec, WM9081_ANTI_POP_CONTROL, reg); + snd_soc_write(codec, WM9081_ANTI_POP_CONTROL, reg); /* Select startup bias source */ - reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1); reg |= WM9081_BIAS_SRC | WM9081_BIAS_ENA; - wm9081_write(codec, WM9081_BIAS_CONTROL_1, reg); + snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg); /* VMID 2*4k; Soft VMID ramp enable */ - reg = wm9081_read(codec, WM9081_VMID_CONTROL); + reg = snd_soc_read(codec, WM9081_VMID_CONTROL); reg |= WM9081_VMID_RAMP | 0x6; - wm9081_write(codec, WM9081_VMID_CONTROL, reg); + snd_soc_write(codec, WM9081_VMID_CONTROL, reg); mdelay(100); /* Normal bias enable & soft start off */ reg |= WM9081_BIAS_ENA; reg &= ~WM9081_VMID_RAMP; - wm9081_write(codec, WM9081_VMID_CONTROL, reg); + snd_soc_write(codec, WM9081_VMID_CONTROL, reg); /* Standard bias source */ - reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1); reg &= ~WM9081_BIAS_SRC; - wm9081_write(codec, WM9081_BIAS_CONTROL_1, reg); + snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg); } /* VMID 2*240k */ - reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1); reg &= ~WM9081_VMID_SEL_MASK; reg |= 0x40; - wm9081_write(codec, WM9081_VMID_CONTROL, reg); + snd_soc_write(codec, WM9081_VMID_CONTROL, reg); /* Standby bias current on */ - reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1); reg |= WM9081_STBY_BIAS_ENA; - wm9081_write(codec, WM9081_BIAS_CONTROL_1, reg); + snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg); break; case SND_SOC_BIAS_OFF: /* Startup bias source */ - reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg = snd_soc_read(codec, WM9081_BIAS_CONTROL_1); reg |= WM9081_BIAS_SRC; - wm9081_write(codec, WM9081_BIAS_CONTROL_1, reg); + snd_soc_write(codec, WM9081_BIAS_CONTROL_1, reg); /* Disable VMID and biases with soft ramping */ - reg = wm9081_read(codec, WM9081_VMID_CONTROL); + reg = snd_soc_read(codec, WM9081_VMID_CONTROL); reg &= ~(WM9081_VMID_SEL_MASK | WM9081_BIAS_ENA); reg |= WM9081_VMID_RAMP; - wm9081_write(codec, WM9081_VMID_CONTROL, reg); + snd_soc_write(codec, WM9081_VMID_CONTROL, reg); /* Actively discharge LINEOUT */ - reg = wm9081_read(codec, WM9081_ANTI_POP_CONTROL); + reg = snd_soc_read(codec, WM9081_ANTI_POP_CONTROL); reg |= WM9081_LINEOUT_DISCH; - wm9081_write(codec, WM9081_ANTI_POP_CONTROL, reg); + snd_soc_write(codec, WM9081_ANTI_POP_CONTROL, reg); break; } @@ -937,7 +872,7 @@ static int wm9081_set_dai_fmt(struct snd_soc_dai *dai, { struct snd_soc_codec *codec = dai->codec; struct wm9081_priv *wm9081 = codec->private_data; - unsigned int aif2 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_2); + unsigned int aif2 = snd_soc_read(codec, WM9081_AUDIO_INTERFACE_2); aif2 &= ~(WM9081_AIF_BCLK_INV | WM9081_AIF_LRCLK_INV | WM9081_BCLK_DIR | WM9081_LRCLK_DIR | WM9081_AIF_FMT_MASK); @@ -1018,7 +953,7 @@ static int wm9081_set_dai_fmt(struct snd_soc_dai *dai, return -EINVAL; } - wm9081_write(codec, WM9081_AUDIO_INTERFACE_2, aif2); + snd_soc_write(codec, WM9081_AUDIO_INTERFACE_2, aif2); return 0; } @@ -1032,18 +967,18 @@ static int wm9081_hw_params(struct snd_pcm_substream *substream, int ret, i, best, best_val, cur_val; unsigned int clk_ctrl2, aif1, aif2, aif3, aif4; - clk_ctrl2 = wm9081_read(codec, WM9081_CLOCK_CONTROL_2); + clk_ctrl2 = snd_soc_read(codec, WM9081_CLOCK_CONTROL_2); clk_ctrl2 &= ~(WM9081_CLK_SYS_RATE_MASK | WM9081_SAMPLE_RATE_MASK); - aif1 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_1); + aif1 = snd_soc_read(codec, WM9081_AUDIO_INTERFACE_1); - aif2 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_2); + aif2 = snd_soc_read(codec, WM9081_AUDIO_INTERFACE_2); aif2 &= ~WM9081_AIF_WL_MASK; - aif3 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_3); + aif3 = snd_soc_read(codec, WM9081_AUDIO_INTERFACE_3); aif3 &= ~WM9081_BCLK_DIV_MASK; - aif4 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_4); + aif4 = snd_soc_read(codec, WM9081_AUDIO_INTERFACE_4); aif4 &= ~WM9081_LRCLK_RATE_MASK; /* What BCLK do we need? */ @@ -1157,22 +1092,22 @@ static int wm9081_hw_params(struct snd_pcm_substream *substream, s->name, s->rate); /* If the EQ is enabled then disable it while we write out */ - eq1 = wm9081_read(codec, WM9081_EQ_1) & WM9081_EQ_ENA; + eq1 = snd_soc_read(codec, WM9081_EQ_1) & WM9081_EQ_ENA; if (eq1 & WM9081_EQ_ENA) - wm9081_write(codec, WM9081_EQ_1, 0); + snd_soc_write(codec, WM9081_EQ_1, 0); /* Write out the other values */ for (i = 1; i < ARRAY_SIZE(s->config); i++) - wm9081_write(codec, WM9081_EQ_1 + i, s->config[i]); + snd_soc_write(codec, WM9081_EQ_1 + i, s->config[i]); eq1 |= (s->config[0] & ~WM9081_EQ_ENA); - wm9081_write(codec, WM9081_EQ_1, eq1); + snd_soc_write(codec, WM9081_EQ_1, eq1); } - wm9081_write(codec, WM9081_CLOCK_CONTROL_2, clk_ctrl2); - wm9081_write(codec, WM9081_AUDIO_INTERFACE_2, aif2); - wm9081_write(codec, WM9081_AUDIO_INTERFACE_3, aif3); - wm9081_write(codec, WM9081_AUDIO_INTERFACE_4, aif4); + snd_soc_write(codec, WM9081_CLOCK_CONTROL_2, clk_ctrl2); + snd_soc_write(codec, WM9081_AUDIO_INTERFACE_2, aif2); + snd_soc_write(codec, WM9081_AUDIO_INTERFACE_3, aif3); + snd_soc_write(codec, WM9081_AUDIO_INTERFACE_4, aif4); return 0; } @@ -1182,14 +1117,14 @@ static int wm9081_digital_mute(struct snd_soc_dai *codec_dai, int mute) struct snd_soc_codec *codec = codec_dai->codec; unsigned int reg; - reg = wm9081_read(codec, WM9081_DAC_DIGITAL_2); + reg = snd_soc_read(codec, WM9081_DAC_DIGITAL_2); if (mute) reg |= WM9081_DAC_MUTE; else reg &= ~WM9081_DAC_MUTE; - wm9081_write(codec, WM9081_DAC_DIGITAL_2, reg); + snd_soc_write(codec, WM9081_DAC_DIGITAL_2, reg); return 0; } @@ -1218,7 +1153,7 @@ static int wm9081_set_tdm_slot(struct snd_soc_dai *dai, unsigned int mask, int slots) { struct snd_soc_codec *codec = dai->codec; - unsigned int aif1 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_1); + unsigned int aif1 = snd_soc_read(codec, WM9081_AUDIO_INTERFACE_1); aif1 &= ~(WM9081_AIFDAC_TDM_SLOT_MASK | WM9081_AIFDAC_TDM_MODE_MASK); @@ -1243,7 +1178,7 @@ static int wm9081_set_tdm_slot(struct snd_soc_dai *dai, return -EINVAL; } - wm9081_write(codec, WM9081_AUDIO_INTERFACE_1, aif1); + snd_soc_write(codec, WM9081_AUDIO_INTERFACE_1, aif1); return 0; } @@ -1365,7 +1300,7 @@ static int wm9081_resume(struct platform_device *pdev) if (i == WM9081_SOFTWARE_RESET) continue; - wm9081_write(codec, i, reg_cache[i]); + snd_soc_write(codec, i, reg_cache[i]); } wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY); @@ -1385,7 +1320,8 @@ struct snd_soc_codec_device soc_codec_dev_wm9081 = { }; EXPORT_SYMBOL_GPL(soc_codec_dev_wm9081); -static int wm9081_register(struct wm9081_priv *wm9081) +static int wm9081_register(struct wm9081_priv *wm9081, + enum snd_soc_control_type control) { struct snd_soc_codec *codec = &wm9081->codec; int ret; @@ -1404,19 +1340,24 @@ static int wm9081_register(struct wm9081_priv *wm9081) codec->private_data = wm9081; codec->name = "WM9081"; codec->owner = THIS_MODULE; - codec->read = wm9081_read; - codec->write = wm9081_write; codec->dai = &wm9081_dai; codec->num_dai = 1; codec->reg_cache_size = ARRAY_SIZE(wm9081->reg_cache); codec->reg_cache = &wm9081->reg_cache; codec->bias_level = SND_SOC_BIAS_OFF; codec->set_bias_level = wm9081_set_bias_level; + codec->volatile_register = wm9081_volatile_register; memcpy(codec->reg_cache, wm9081_reg_defaults, sizeof(wm9081_reg_defaults)); - reg = wm9081_read_hw(codec, WM9081_SOFTWARE_RESET); + ret = snd_soc_codec_set_cache_io(codec, 8, 16, control); + if (ret != 0) { + dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); + return ret; + } + + reg = snd_soc_read(codec, WM9081_SOFTWARE_RESET); if (reg != 0x9081) { dev_err(codec->dev, "Device is not a WM9081: ID=0x%x\n", reg); ret = -EINVAL; @@ -1432,10 +1373,10 @@ static int wm9081_register(struct wm9081_priv *wm9081) wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY); /* Enable zero cross by default */ - reg = wm9081_read(codec, WM9081_ANALOGUE_LINEOUT); - wm9081_write(codec, WM9081_ANALOGUE_LINEOUT, reg | WM9081_LINEOUTZC); - reg = wm9081_read(codec, WM9081_ANALOGUE_SPEAKER_PGA); - wm9081_write(codec, WM9081_ANALOGUE_SPEAKER_PGA, + reg = snd_soc_read(codec, WM9081_ANALOGUE_LINEOUT); + snd_soc_write(codec, WM9081_ANALOGUE_LINEOUT, reg | WM9081_LINEOUTZC); + reg = snd_soc_read(codec, WM9081_ANALOGUE_SPEAKER_PGA); + snd_soc_write(codec, WM9081_ANALOGUE_SPEAKER_PGA, reg | WM9081_SPKPGAZC); wm9081_dai.dev = codec->dev; @@ -1490,7 +1431,7 @@ static __devinit int wm9081_i2c_probe(struct i2c_client *i2c, codec->dev = &i2c->dev; - return wm9081_register(wm9081); + return wm9081_register(wm9081, SND_SOC_I2C); } static __devexit int wm9081_i2c_remove(struct i2c_client *client) |