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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 08:58:44 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 08:58:44 -0800 |
commit | 524df55725217b13d5a232fb5badb5846418ea0e (patch) | |
tree | c041613577ac7e68737cfd8af16a37d1ed37e6af /sound/soc/codecs/wm_hubs.c | |
parent | 0f4533979473a456a8adb3869365e12c7a99cf65 (diff) | |
parent | 6679ee1870f7ccdd48e2e5c57919240b8f19a6dc (diff) | |
download | op-kernel-dev-524df55725217b13d5a232fb5badb5846418ea0e.zip op-kernel-dev-524df55725217b13d5a232fb5badb5846418ea0e.tar.gz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (252 commits)
ASoC: Check progress when reporting periods from i.MX FIQ handler
ASoC: Remove a unused variables from i.MX FIQ runtime data
ALSA: hda - Add/fix ALC269 FSC and Quanta models
ALSA: hda - Add ALC670 codec support
OMAP4: PMIC: Add support for twl6030 codec
ALSA: hda - remove unnecessary msleep on power state transitions
usb/gadget/{f_audio,gmidi}.c: follow recent changes in audio.h
ASoC: fsi: Modify over/under run error settlement
ASoC: OMAP4: Add McPDM platform driver
ASoC: OMAP4: Add support for McPDM
ASoC: OMAP: data_type and sync_mode configurable in audio dma
ALSA: hda - Add missing description in HD-Audio-Models.txt
ALSA: add support for Macbook Air 2,1 internal speaker
ALSA: usbaudio: consolidate header files
ALSA: usbmixer: bail out early when parsing audio class v2 descriptors
ALSA: usbaudio: implement basic set of class v2.0 parser
ALSA: usbaudio: introduce new types for audio class v2
ALSA: usbaudio: parse USB descriptors with structs
ALSA: hda - enable snoop for Intel Cougar Point
ALSA: hda - Remove identical definitions for macmini3 model
...
Diffstat (limited to 'sound/soc/codecs/wm_hubs.c')
-rw-r--r-- | sound/soc/codecs/wm_hubs.c | 148 |
1 files changed, 122 insertions, 26 deletions
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c index d73c305..0ad9f5d 100644 --- a/sound/soc/codecs/wm_hubs.c +++ b/sound/soc/codecs/wm_hubs.c @@ -68,24 +68,77 @@ static void wait_for_dc_servo(struct snd_soc_codec *codec) int count = 0; dev_dbg(codec->dev, "Waiting for DC servo...\n"); + do { count++; msleep(1); reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_0); - dev_dbg(codec->dev, "DC servo status: %x\n", reg); - } while ((reg & WM8993_DCS_CAL_COMPLETE_MASK) - != WM8993_DCS_CAL_COMPLETE_MASK && count < 1000); + dev_dbg(codec->dev, "DC servo: %x\n", reg); + } while (reg & WM8993_DCS_DATAPATH_BUSY); - if ((reg & WM8993_DCS_CAL_COMPLETE_MASK) - != WM8993_DCS_CAL_COMPLETE_MASK) + if (reg & WM8993_DCS_DATAPATH_BUSY) dev_err(codec->dev, "Timed out waiting for DC Servo\n"); } /* + * Startup calibration of the DC servo + */ +static void calibrate_dc_servo(struct snd_soc_codec *codec) +{ + struct wm_hubs_data *hubs = codec->private_data; + u16 reg, dcs_cfg; + + /* Set for 32 series updates */ + snd_soc_update_bits(codec, WM8993_DC_SERVO_1, + WM8993_DCS_SERIES_NO_01_MASK, + 32 << WM8993_DCS_SERIES_NO_01_SHIFT); + + /* Enable the DC servo. Write all bits to avoid triggering startup + * or write calibration. + */ + snd_soc_update_bits(codec, WM8993_DC_SERVO_0, + 0xFFFF, + WM8993_DCS_ENA_CHAN_0 | + WM8993_DCS_ENA_CHAN_1 | + WM8993_DCS_TRIG_SERIES_1 | + WM8993_DCS_TRIG_SERIES_0); + + wait_for_dc_servo(codec); + + /* Apply correction to DC servo result */ + if (hubs->dcs_codes) { + dev_dbg(codec->dev, "Applying %d code DC servo correction\n", + hubs->dcs_codes); + + /* HPOUT1L */ + reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1) & + WM8993_DCS_INTEG_CHAN_0_MASK;; + reg += hubs->dcs_codes; + dcs_cfg = reg << WM8993_DCS_DAC_WR_VAL_1_SHIFT; + + /* HPOUT1R */ + reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2) & + WM8993_DCS_INTEG_CHAN_1_MASK; + reg += hubs->dcs_codes; + dcs_cfg |= reg; + + /* Do it */ + snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg); + snd_soc_update_bits(codec, WM8993_DC_SERVO_0, + WM8993_DCS_TRIG_DAC_WR_0 | + WM8993_DCS_TRIG_DAC_WR_1, + WM8993_DCS_TRIG_DAC_WR_0 | + WM8993_DCS_TRIG_DAC_WR_1); + + wait_for_dc_servo(codec); + } +} + +/* * Update the DC servo calibration on gain changes */ static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) + struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); int ret; @@ -251,6 +304,47 @@ SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1, line_tlv), }; +static int hp_supply_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = w->codec; + struct wm_hubs_data *hubs = codec->private_data; + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + switch (hubs->hp_startup_mode) { + case 0: + break; + case 1: + /* Enable the headphone amp */ + snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1, + WM8993_HPOUT1L_ENA | + WM8993_HPOUT1R_ENA, + WM8993_HPOUT1L_ENA | + WM8993_HPOUT1R_ENA); + + /* Enable the second stage */ + snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0, + WM8993_HPOUT1L_DLY | + WM8993_HPOUT1R_DLY, + WM8993_HPOUT1L_DLY | + WM8993_HPOUT1R_DLY); + break; + default: + dev_err(codec->dev, "Unknown HP startup mode %d\n", + hubs->hp_startup_mode); + break; + } + + case SND_SOC_DAPM_PRE_PMD: + snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1, + WM8993_CP_ENA, 0); + break; + } + + return 0; +} + static int hp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { @@ -271,14 +365,11 @@ static int hp_event(struct snd_soc_dapm_widget *w, reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY; snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg); - /* Start the DC servo */ - snd_soc_update_bits(codec, WM8993_DC_SERVO_0, - 0xFFFF, - WM8993_DCS_ENA_CHAN_0 | - WM8993_DCS_ENA_CHAN_1 | - WM8993_DCS_TRIG_STARTUP_1 | - WM8993_DCS_TRIG_STARTUP_0); - wait_for_dc_servo(codec); + /* Smallest supported update interval */ + snd_soc_update_bits(codec, WM8993_DC_SERVO_1, + WM8993_DCS_TIMER_PERIOD_01_MASK, 1); + + calibrate_dc_servo(codec); reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT | WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT; @@ -286,23 +377,19 @@ static int hp_event(struct snd_soc_dapm_widget *w, break; case SND_SOC_DAPM_PRE_PMD: - reg &= ~(WM8993_HPOUT1L_RMV_SHORT | - WM8993_HPOUT1L_DLY | - WM8993_HPOUT1L_OUTP | - WM8993_HPOUT1R_RMV_SHORT | - WM8993_HPOUT1R_DLY | - WM8993_HPOUT1R_OUTP); + snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0, + WM8993_HPOUT1L_DLY | + WM8993_HPOUT1R_DLY | + WM8993_HPOUT1L_RMV_SHORT | + WM8993_HPOUT1R_RMV_SHORT, 0); - snd_soc_update_bits(codec, WM8993_DC_SERVO_0, - 0xffff, 0); + snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0, + WM8993_HPOUT1L_OUTP | + WM8993_HPOUT1R_OUTP, 0); - snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg); snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1, WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA, 0); - - snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1, - WM8993_CP_ENA, 0); break; } @@ -473,6 +560,8 @@ SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0, SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0), SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0, hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), @@ -626,6 +715,7 @@ static const struct snd_soc_dapm_route analogue_routes[] = { { "Headphone PGA", NULL, "Left Headphone Mux" }, { "Headphone PGA", NULL, "Right Headphone Mux" }, { "Headphone PGA", NULL, "CLK_SYS" }, + { "Headphone PGA", NULL, "Headphone Supply" }, { "HPOUT1L", NULL, "Headphone PGA" }, { "HPOUT1R", NULL, "Headphone PGA" }, @@ -753,6 +843,12 @@ int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec, WM8993_LINEOUT2_MODE, WM8993_LINEOUT2_MODE); + /* If the line outputs are differential then we aren't presenting + * VMID as an output and can disable it. + */ + if (lineout1_diff && lineout2_diff) + codec->idle_bias_off = 1; + if (lineout1fb) snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL, WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB); |