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-rw-r--r--sound/soc/codecs/wm9090.c643
1 files changed, 643 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm9090.c b/sound/soc/codecs/wm9090.c
new file mode 100644
index 000000000..a9f1a0360
--- /dev/null
+++ b/sound/soc/codecs/wm9090.c
@@ -0,0 +1,643 @@
+/*
+ * ALSA SoC WM9090 driver
+ *
+ * Copyright 2009-12 Wolfson Microelectronics
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <sound/wm9090.h>
+
+#include "wm9090.h"
+
+static const struct reg_default wm9090_reg_defaults[] = {
+ { 1, 0x0006 }, /* R1 - Power Management (1) */
+ { 2, 0x6000 }, /* R2 - Power Management (2) */
+ { 3, 0x0000 }, /* R3 - Power Management (3) */
+ { 6, 0x01C0 }, /* R6 - Clocking 1 */
+ { 22, 0x0003 }, /* R22 - IN1 Line Control */
+ { 23, 0x0003 }, /* R23 - IN2 Line Control */
+ { 24, 0x0083 }, /* R24 - IN1 Line Input A Volume */
+ { 25, 0x0083 }, /* R25 - IN1 Line Input B Volume */
+ { 26, 0x0083 }, /* R26 - IN2 Line Input A Volume */
+ { 27, 0x0083 }, /* R27 - IN2 Line Input B Volume */
+ { 28, 0x002D }, /* R28 - Left Output Volume */
+ { 29, 0x002D }, /* R29 - Right Output Volume */
+ { 34, 0x0100 }, /* R34 - SPKMIXL Attenuation */
+ { 35, 0x0010 }, /* R36 - SPKOUT Mixers */
+ { 37, 0x0140 }, /* R37 - ClassD3 */
+ { 38, 0x0039 }, /* R38 - Speaker Volume Left */
+ { 45, 0x0000 }, /* R45 - Output Mixer1 */
+ { 46, 0x0000 }, /* R46 - Output Mixer2 */
+ { 47, 0x0100 }, /* R47 - Output Mixer3 */
+ { 48, 0x0100 }, /* R48 - Output Mixer4 */
+ { 54, 0x0000 }, /* R54 - Speaker Mixer */
+ { 57, 0x000D }, /* R57 - AntiPOP2 */
+ { 70, 0x0000 }, /* R70 - Write Sequencer 0 */
+ { 71, 0x0000 }, /* R71 - Write Sequencer 1 */
+ { 72, 0x0000 }, /* R72 - Write Sequencer 2 */
+ { 73, 0x0000 }, /* R73 - Write Sequencer 3 */
+ { 74, 0x0000 }, /* R74 - Write Sequencer 4 */
+ { 75, 0x0000 }, /* R75 - Write Sequencer 5 */
+ { 76, 0x1F25 }, /* R76 - Charge Pump 1 */
+ { 85, 0x054A }, /* R85 - DC Servo 1 */
+ { 87, 0x0000 }, /* R87 - DC Servo 3 */
+ { 96, 0x0100 }, /* R96 - Analogue HP 0 */
+ { 98, 0x8640 }, /* R98 - AGC Control 0 */
+ { 99, 0xC000 }, /* R99 - AGC Control 1 */
+ { 100, 0x0200 }, /* R100 - AGC Control 2 */
+};
+
+/* This struct is used to save the context */
+struct wm9090_priv {
+ struct wm9090_platform_data pdata;
+ struct regmap *regmap;
+};
+
+static bool wm9090_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM9090_SOFTWARE_RESET:
+ case WM9090_DC_SERVO_0:
+ case WM9090_DC_SERVO_READBACK_0:
+ case WM9090_DC_SERVO_READBACK_1:
+ case WM9090_DC_SERVO_READBACK_2:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+static bool wm9090_readable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM9090_SOFTWARE_RESET:
+ case WM9090_POWER_MANAGEMENT_1:
+ case WM9090_POWER_MANAGEMENT_2:
+ case WM9090_POWER_MANAGEMENT_3:
+ case WM9090_CLOCKING_1:
+ case WM9090_IN1_LINE_CONTROL:
+ case WM9090_IN2_LINE_CONTROL:
+ case WM9090_IN1_LINE_INPUT_A_VOLUME:
+ case WM9090_IN1_LINE_INPUT_B_VOLUME:
+ case WM9090_IN2_LINE_INPUT_A_VOLUME:
+ case WM9090_IN2_LINE_INPUT_B_VOLUME:
+ case WM9090_LEFT_OUTPUT_VOLUME:
+ case WM9090_RIGHT_OUTPUT_VOLUME:
+ case WM9090_SPKMIXL_ATTENUATION:
+ case WM9090_SPKOUT_MIXERS:
+ case WM9090_CLASSD3:
+ case WM9090_SPEAKER_VOLUME_LEFT:
+ case WM9090_OUTPUT_MIXER1:
+ case WM9090_OUTPUT_MIXER2:
+ case WM9090_OUTPUT_MIXER3:
+ case WM9090_OUTPUT_MIXER4:
+ case WM9090_SPEAKER_MIXER:
+ case WM9090_ANTIPOP2:
+ case WM9090_WRITE_SEQUENCER_0:
+ case WM9090_WRITE_SEQUENCER_1:
+ case WM9090_WRITE_SEQUENCER_2:
+ case WM9090_WRITE_SEQUENCER_3:
+ case WM9090_WRITE_SEQUENCER_4:
+ case WM9090_WRITE_SEQUENCER_5:
+ case WM9090_CHARGE_PUMP_1:
+ case WM9090_DC_SERVO_0:
+ case WM9090_DC_SERVO_1:
+ case WM9090_DC_SERVO_3:
+ case WM9090_DC_SERVO_READBACK_0:
+ case WM9090_DC_SERVO_READBACK_1:
+ case WM9090_DC_SERVO_READBACK_2:
+ case WM9090_ANALOGUE_HP_0:
+ case WM9090_AGC_CONTROL_0:
+ case WM9090_AGC_CONTROL_1:
+ case WM9090_AGC_CONTROL_2:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+static void wait_for_dc_servo(struct snd_soc_component *component)
+{
+ unsigned int reg;
+ int count = 0;
+
+ dev_dbg(component->dev, "Waiting for DC servo...\n");
+ do {
+ count++;
+ msleep(1);
+ reg = snd_soc_component_read32(component, WM9090_DC_SERVO_READBACK_0);
+ dev_dbg(component->dev, "DC servo status: %x\n", reg);
+ } while ((reg & WM9090_DCS_CAL_COMPLETE_MASK)
+ != WM9090_DCS_CAL_COMPLETE_MASK && count < 1000);
+
+ if ((reg & WM9090_DCS_CAL_COMPLETE_MASK)
+ != WM9090_DCS_CAL_COMPLETE_MASK)
+ dev_err(component->dev, "Timed out waiting for DC Servo\n");
+}
+
+static const DECLARE_TLV_DB_RANGE(in_tlv,
+ 0, 0, TLV_DB_SCALE_ITEM(-600, 0, 0),
+ 1, 3, TLV_DB_SCALE_ITEM(-350, 350, 0),
+ 4, 6, TLV_DB_SCALE_ITEM(600, 600, 0)
+);
+static const DECLARE_TLV_DB_RANGE(mix_tlv,
+ 0, 2, TLV_DB_SCALE_ITEM(-1200, 300, 0),
+ 3, 3, TLV_DB_SCALE_ITEM(0, 0, 0)
+);
+static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
+static const DECLARE_TLV_DB_RANGE(spkboost_tlv,
+ 0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
+ 7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0)
+);
+
+static const struct snd_kcontrol_new wm9090_controls[] = {
+SOC_SINGLE_TLV("IN1A Volume", WM9090_IN1_LINE_INPUT_A_VOLUME, 0, 6, 0,
+ in_tlv),
+SOC_SINGLE("IN1A Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 7, 1, 1),
+SOC_SINGLE("IN1A ZC Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 6, 1, 0),
+
+SOC_SINGLE_TLV("IN2A Volume", WM9090_IN2_LINE_INPUT_A_VOLUME, 0, 6, 0,
+ in_tlv),
+SOC_SINGLE("IN2A Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 7, 1, 1),
+SOC_SINGLE("IN2A ZC Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 6, 1, 0),
+
+SOC_SINGLE("MIXOUTL Switch", WM9090_OUTPUT_MIXER3, 8, 1, 1),
+SOC_SINGLE_TLV("MIXOUTL IN1A Volume", WM9090_OUTPUT_MIXER3, 6, 3, 1,
+ mix_tlv),
+SOC_SINGLE_TLV("MIXOUTL IN2A Volume", WM9090_OUTPUT_MIXER3, 2, 3, 1,
+ mix_tlv),
+
+SOC_SINGLE("MIXOUTR Switch", WM9090_OUTPUT_MIXER4, 8, 1, 1),
+SOC_SINGLE_TLV("MIXOUTR IN1A Volume", WM9090_OUTPUT_MIXER4, 6, 3, 1,
+ mix_tlv),
+SOC_SINGLE_TLV("MIXOUTR IN2A Volume", WM9090_OUTPUT_MIXER4, 2, 3, 1,
+ mix_tlv),
+
+SOC_SINGLE("SPKMIX Switch", WM9090_SPKMIXL_ATTENUATION, 8, 1, 1),
+SOC_SINGLE_TLV("SPKMIX IN1A Volume", WM9090_SPKMIXL_ATTENUATION, 6, 3, 1,
+ mix_tlv),
+SOC_SINGLE_TLV("SPKMIX IN2A Volume", WM9090_SPKMIXL_ATTENUATION, 2, 3, 1,
+ mix_tlv),
+
+SOC_DOUBLE_R_TLV("Headphone Volume", WM9090_LEFT_OUTPUT_VOLUME,
+ WM9090_RIGHT_OUTPUT_VOLUME, 0, 63, 0, out_tlv),
+SOC_DOUBLE_R("Headphone Switch", WM9090_LEFT_OUTPUT_VOLUME,
+ WM9090_RIGHT_OUTPUT_VOLUME, 6, 1, 1),
+SOC_DOUBLE_R("Headphone ZC Switch", WM9090_LEFT_OUTPUT_VOLUME,
+ WM9090_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
+
+SOC_SINGLE_TLV("Speaker Volume", WM9090_SPEAKER_VOLUME_LEFT, 0, 63, 0,
+ out_tlv),
+SOC_SINGLE("Speaker Switch", WM9090_SPEAKER_VOLUME_LEFT, 6, 1, 1),
+SOC_SINGLE("Speaker ZC Switch", WM9090_SPEAKER_VOLUME_LEFT, 7, 1, 0),
+SOC_SINGLE_TLV("Speaker Boost Volume", WM9090_CLASSD3, 3, 7, 0, spkboost_tlv),
+};
+
+static const struct snd_kcontrol_new wm9090_in1_se_controls[] = {
+SOC_SINGLE_TLV("IN1B Volume", WM9090_IN1_LINE_INPUT_B_VOLUME, 0, 6, 0,
+ in_tlv),
+SOC_SINGLE("IN1B Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 7, 1, 1),
+SOC_SINGLE("IN1B ZC Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 6, 1, 0),
+
+SOC_SINGLE_TLV("SPKMIX IN1B Volume", WM9090_SPKMIXL_ATTENUATION, 4, 3, 1,
+ mix_tlv),
+SOC_SINGLE_TLV("MIXOUTL IN1B Volume", WM9090_OUTPUT_MIXER3, 4, 3, 1,
+ mix_tlv),
+SOC_SINGLE_TLV("MIXOUTR IN1B Volume", WM9090_OUTPUT_MIXER4, 4, 3, 1,
+ mix_tlv),
+};
+
+static const struct snd_kcontrol_new wm9090_in2_se_controls[] = {
+SOC_SINGLE_TLV("IN2B Volume", WM9090_IN2_LINE_INPUT_B_VOLUME, 0, 6, 0,
+ in_tlv),
+SOC_SINGLE("IN2B Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 7, 1, 1),
+SOC_SINGLE("IN2B ZC Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 6, 1, 0),
+
+SOC_SINGLE_TLV("SPKMIX IN2B Volume", WM9090_SPKMIXL_ATTENUATION, 0, 3, 1,
+ mix_tlv),
+SOC_SINGLE_TLV("MIXOUTL IN2B Volume", WM9090_OUTPUT_MIXER3, 0, 3, 1,
+ mix_tlv),
+SOC_SINGLE_TLV("MIXOUTR IN2B Volume", WM9090_OUTPUT_MIXER4, 0, 3, 1,
+ mix_tlv),
+};
+
+static int hp_ev(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ unsigned int reg = snd_soc_component_read32(component, WM9090_ANALOGUE_HP_0);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ snd_soc_component_update_bits(component, WM9090_CHARGE_PUMP_1,
+ WM9090_CP_ENA, WM9090_CP_ENA);
+
+ msleep(5);
+
+ snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_1,
+ WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA,
+ WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA);
+
+ reg |= WM9090_HPOUT1L_DLY | WM9090_HPOUT1R_DLY;
+ snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, reg);
+
+ /* Start the DC servo. We don't currently use the
+ * ability to save the state since we don't have full
+ * control of the analogue paths and they can change
+ * DC offsets; see the WM8904 driver for an example of
+ * doing so.
+ */
+ snd_soc_component_write(component, WM9090_DC_SERVO_0,
+ WM9090_DCS_ENA_CHAN_0 |
+ WM9090_DCS_ENA_CHAN_1 |
+ WM9090_DCS_TRIG_STARTUP_1 |
+ WM9090_DCS_TRIG_STARTUP_0);
+ wait_for_dc_servo(component);
+
+ reg |= WM9090_HPOUT1R_OUTP | WM9090_HPOUT1R_RMV_SHORT |
+ WM9090_HPOUT1L_OUTP | WM9090_HPOUT1L_RMV_SHORT;
+ snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, reg);
+ break;
+
+ case SND_SOC_DAPM_PRE_PMD:
+ reg &= ~(WM9090_HPOUT1L_RMV_SHORT |
+ WM9090_HPOUT1L_DLY |
+ WM9090_HPOUT1L_OUTP |
+ WM9090_HPOUT1R_RMV_SHORT |
+ WM9090_HPOUT1R_DLY |
+ WM9090_HPOUT1R_OUTP);
+
+ snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, reg);
+
+ snd_soc_component_write(component, WM9090_DC_SERVO_0, 0);
+
+ snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_1,
+ WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA,
+ 0);
+
+ snd_soc_component_update_bits(component, WM9090_CHARGE_PUMP_1,
+ WM9090_CP_ENA, 0);
+ break;
+ }
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new spkmix[] = {
+SOC_DAPM_SINGLE("IN1A Switch", WM9090_SPEAKER_MIXER, 6, 1, 0),
+SOC_DAPM_SINGLE("IN1B Switch", WM9090_SPEAKER_MIXER, 4, 1, 0),
+SOC_DAPM_SINGLE("IN2A Switch", WM9090_SPEAKER_MIXER, 2, 1, 0),
+SOC_DAPM_SINGLE("IN2B Switch", WM9090_SPEAKER_MIXER, 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new spkout[] = {
+SOC_DAPM_SINGLE("Mixer Switch", WM9090_SPKOUT_MIXERS, 4, 1, 0),
+};
+
+static const struct snd_kcontrol_new mixoutl[] = {
+SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER1, 6, 1, 0),
+SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER1, 4, 1, 0),
+SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER1, 2, 1, 0),
+SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER1, 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new mixoutr[] = {
+SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER2, 6, 1, 0),
+SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER2, 4, 1, 0),
+SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER2, 2, 1, 0),
+SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER2, 0, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget wm9090_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("IN1+"),
+SND_SOC_DAPM_INPUT("IN1-"),
+SND_SOC_DAPM_INPUT("IN2+"),
+SND_SOC_DAPM_INPUT("IN2-"),
+
+SND_SOC_DAPM_SUPPLY("OSC", WM9090_POWER_MANAGEMENT_1, 3, 0, NULL, 0),
+
+SND_SOC_DAPM_PGA("IN1A PGA", WM9090_POWER_MANAGEMENT_2, 7, 0, NULL, 0),
+SND_SOC_DAPM_PGA("IN1B PGA", WM9090_POWER_MANAGEMENT_2, 6, 0, NULL, 0),
+SND_SOC_DAPM_PGA("IN2A PGA", WM9090_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
+SND_SOC_DAPM_PGA("IN2B PGA", WM9090_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
+
+SND_SOC_DAPM_MIXER("SPKMIX", WM9090_POWER_MANAGEMENT_3, 3, 0,
+ spkmix, ARRAY_SIZE(spkmix)),
+SND_SOC_DAPM_MIXER("MIXOUTL", WM9090_POWER_MANAGEMENT_3, 5, 0,
+ mixoutl, ARRAY_SIZE(mixoutl)),
+SND_SOC_DAPM_MIXER("MIXOUTR", WM9090_POWER_MANAGEMENT_3, 4, 0,
+ mixoutr, ARRAY_SIZE(mixoutr)),
+
+SND_SOC_DAPM_PGA_E("HP PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
+ hp_ev, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+
+SND_SOC_DAPM_PGA("SPKPGA", WM9090_POWER_MANAGEMENT_3, 8, 0, NULL, 0),
+SND_SOC_DAPM_MIXER("SPKOUT", WM9090_POWER_MANAGEMENT_1, 12, 0,
+ spkout, ARRAY_SIZE(spkout)),
+
+SND_SOC_DAPM_OUTPUT("HPR"),
+SND_SOC_DAPM_OUTPUT("HPL"),
+SND_SOC_DAPM_OUTPUT("Speaker"),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ { "IN1A PGA", NULL, "IN1+" },
+ { "IN2A PGA", NULL, "IN2+" },
+
+ { "SPKMIX", "IN1A Switch", "IN1A PGA" },
+ { "SPKMIX", "IN2A Switch", "IN2A PGA" },
+
+ { "MIXOUTL", "IN1A Switch", "IN1A PGA" },
+ { "MIXOUTL", "IN2A Switch", "IN2A PGA" },
+
+ { "MIXOUTR", "IN1A Switch", "IN1A PGA" },
+ { "MIXOUTR", "IN2A Switch", "IN2A PGA" },
+
+ { "HP PGA", NULL, "OSC" },
+ { "HP PGA", NULL, "MIXOUTL" },
+ { "HP PGA", NULL, "MIXOUTR" },
+
+ { "HPL", NULL, "HP PGA" },
+ { "HPR", NULL, "HP PGA" },
+
+ { "SPKPGA", NULL, "OSC" },
+ { "SPKPGA", NULL, "SPKMIX" },
+
+ { "SPKOUT", "Mixer Switch", "SPKPGA" },
+
+ { "Speaker", NULL, "SPKOUT" },
+};
+
+static const struct snd_soc_dapm_route audio_map_in1_se[] = {
+ { "IN1B PGA", NULL, "IN1-" },
+
+ { "SPKMIX", "IN1B Switch", "IN1B PGA" },
+ { "MIXOUTL", "IN1B Switch", "IN1B PGA" },
+ { "MIXOUTR", "IN1B Switch", "IN1B PGA" },
+};
+
+static const struct snd_soc_dapm_route audio_map_in1_diff[] = {
+ { "IN1A PGA", NULL, "IN1-" },
+};
+
+static const struct snd_soc_dapm_route audio_map_in2_se[] = {
+ { "IN2B PGA", NULL, "IN2-" },
+
+ { "SPKMIX", "IN2B Switch", "IN2B PGA" },
+ { "MIXOUTL", "IN2B Switch", "IN2B PGA" },
+ { "MIXOUTR", "IN2B Switch", "IN2B PGA" },
+};
+
+static const struct snd_soc_dapm_route audio_map_in2_diff[] = {
+ { "IN2A PGA", NULL, "IN2-" },
+};
+
+static int wm9090_add_controls(struct snd_soc_component *component)
+{
+ struct wm9090_priv *wm9090 = snd_soc_component_get_drvdata(component);
+ struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+ int i;
+
+ snd_soc_dapm_new_controls(dapm, wm9090_dapm_widgets,
+ ARRAY_SIZE(wm9090_dapm_widgets));
+
+ snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
+
+ snd_soc_add_component_controls(component, wm9090_controls,
+ ARRAY_SIZE(wm9090_controls));
+
+ if (wm9090->pdata.lin1_diff) {
+ snd_soc_dapm_add_routes(dapm, audio_map_in1_diff,
+ ARRAY_SIZE(audio_map_in1_diff));
+ } else {
+ snd_soc_dapm_add_routes(dapm, audio_map_in1_se,
+ ARRAY_SIZE(audio_map_in1_se));
+ snd_soc_add_component_controls(component, wm9090_in1_se_controls,
+ ARRAY_SIZE(wm9090_in1_se_controls));
+ }
+
+ if (wm9090->pdata.lin2_diff) {
+ snd_soc_dapm_add_routes(dapm, audio_map_in2_diff,
+ ARRAY_SIZE(audio_map_in2_diff));
+ } else {
+ snd_soc_dapm_add_routes(dapm, audio_map_in2_se,
+ ARRAY_SIZE(audio_map_in2_se));
+ snd_soc_add_component_controls(component, wm9090_in2_se_controls,
+ ARRAY_SIZE(wm9090_in2_se_controls));
+ }
+
+ if (wm9090->pdata.agc_ena) {
+ for (i = 0; i < ARRAY_SIZE(wm9090->pdata.agc); i++)
+ snd_soc_component_write(component, WM9090_AGC_CONTROL_0 + i,
+ wm9090->pdata.agc[i]);
+ snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_3,
+ WM9090_AGC_ENA, WM9090_AGC_ENA);
+ } else {
+ snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_3,
+ WM9090_AGC_ENA, 0);
+ }
+
+ return 0;
+
+}
+
+/*
+ * The machine driver should call this from their set_bias_level; if there
+ * isn't one then this can just be set as the set_bias_level function.
+ */
+static int wm9090_set_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ struct wm9090_priv *wm9090 = snd_soc_component_get_drvdata(component);
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ break;
+
+ case SND_SOC_BIAS_PREPARE:
+ snd_soc_component_update_bits(component, WM9090_ANTIPOP2, WM9090_VMID_ENA,
+ WM9090_VMID_ENA);
+ snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_1,
+ WM9090_BIAS_ENA |
+ WM9090_VMID_RES_MASK,
+ WM9090_BIAS_ENA |
+ 1 << WM9090_VMID_RES_SHIFT);
+ msleep(1); /* Probably an overestimate */
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
+ /* Restore the register cache */
+ regcache_sync(wm9090->regmap);
+ }
+
+ /* We keep VMID off during standby since the combination of
+ * ground referenced outputs and class D speaker mean that
+ * latency is not an issue.
+ */
+ snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_1,
+ WM9090_BIAS_ENA | WM9090_VMID_RES_MASK, 0);
+ snd_soc_component_update_bits(component, WM9090_ANTIPOP2,
+ WM9090_VMID_ENA, 0);
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ break;
+ }
+
+ return 0;
+}
+
+static int wm9090_probe(struct snd_soc_component *component)
+{
+ /* Configure some defaults; they will be written out when we
+ * bring the bias up.
+ */
+ snd_soc_component_update_bits(component, WM9090_IN1_LINE_INPUT_A_VOLUME,
+ WM9090_IN1_VU | WM9090_IN1A_ZC,
+ WM9090_IN1_VU | WM9090_IN1A_ZC);
+ snd_soc_component_update_bits(component, WM9090_IN1_LINE_INPUT_B_VOLUME,
+ WM9090_IN1_VU | WM9090_IN1B_ZC,
+ WM9090_IN1_VU | WM9090_IN1B_ZC);
+ snd_soc_component_update_bits(component, WM9090_IN2_LINE_INPUT_A_VOLUME,
+ WM9090_IN2_VU | WM9090_IN2A_ZC,
+ WM9090_IN2_VU | WM9090_IN2A_ZC);
+ snd_soc_component_update_bits(component, WM9090_IN2_LINE_INPUT_B_VOLUME,
+ WM9090_IN2_VU | WM9090_IN2B_ZC,
+ WM9090_IN2_VU | WM9090_IN2B_ZC);
+ snd_soc_component_update_bits(component, WM9090_SPEAKER_VOLUME_LEFT,
+ WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC,
+ WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC);
+ snd_soc_component_update_bits(component, WM9090_LEFT_OUTPUT_VOLUME,
+ WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC,
+ WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC);
+ snd_soc_component_update_bits(component, WM9090_RIGHT_OUTPUT_VOLUME,
+ WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC,
+ WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC);
+
+ snd_soc_component_update_bits(component, WM9090_CLOCKING_1,
+ WM9090_TOCLK_ENA, WM9090_TOCLK_ENA);
+
+ wm9090_add_controls(component);
+
+ return 0;
+}
+
+static const struct snd_soc_component_driver soc_component_dev_wm9090 = {
+ .probe = wm9090_probe,
+ .set_bias_level = wm9090_set_bias_level,
+ .suspend_bias_off = 1,
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static const struct regmap_config wm9090_regmap = {
+ .reg_bits = 8,
+ .val_bits = 16,
+
+ .max_register = WM9090_MAX_REGISTER,
+ .volatile_reg = wm9090_volatile,
+ .readable_reg = wm9090_readable,
+
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = wm9090_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm9090_reg_defaults),
+};
+
+
+static int wm9090_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct wm9090_priv *wm9090;
+ unsigned int reg;
+ int ret;
+
+ wm9090 = devm_kzalloc(&i2c->dev, sizeof(*wm9090), GFP_KERNEL);
+ if (!wm9090)
+ return -ENOMEM;
+
+ wm9090->regmap = devm_regmap_init_i2c(i2c, &wm9090_regmap);
+ if (IS_ERR(wm9090->regmap)) {
+ ret = PTR_ERR(wm9090->regmap);
+ dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
+ return ret;
+ }
+
+ ret = regmap_read(wm9090->regmap, WM9090_SOFTWARE_RESET, &reg);
+ if (ret < 0)
+ return ret;
+
+ if (reg != 0x9093) {
+ dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", reg);
+ return -ENODEV;
+ }
+
+ ret = regmap_write(wm9090->regmap, WM9090_SOFTWARE_RESET, 0);
+ if (ret < 0)
+ return ret;
+
+ if (i2c->dev.platform_data)
+ memcpy(&wm9090->pdata, i2c->dev.platform_data,
+ sizeof(wm9090->pdata));
+
+ i2c_set_clientdata(i2c, wm9090);
+
+ ret = devm_snd_soc_register_component(&i2c->dev,
+ &soc_component_dev_wm9090, NULL, 0);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct i2c_device_id wm9090_id[] = {
+ { "wm9090", 0 },
+ { "wm9093", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm9090_id);
+
+static struct i2c_driver wm9090_i2c_driver = {
+ .driver = {
+ .name = "wm9090",
+ },
+ .probe = wm9090_i2c_probe,
+ .id_table = wm9090_id,
+};
+
+module_i2c_driver(wm9090_i2c_driver);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("WM9090 ASoC driver");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 07:33:46 +0000