1*39b8eab7SMark Brown /* 2*39b8eab7SMark Brown * ALSA SoC WM9090 driver 3*39b8eab7SMark Brown * 4*39b8eab7SMark Brown * Copyright 2009, 2010 Wolfson Microelectronics 5*39b8eab7SMark Brown * 6*39b8eab7SMark Brown * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 7*39b8eab7SMark Brown * 8*39b8eab7SMark Brown * This program is free software; you can redistribute it and/or 9*39b8eab7SMark Brown * modify it under the terms of the GNU General Public License 10*39b8eab7SMark Brown * version 2 as published by the Free Software Foundation. 11*39b8eab7SMark Brown * 12*39b8eab7SMark Brown * This program is distributed in the hope that it will be useful, but 13*39b8eab7SMark Brown * WITHOUT ANY WARRANTY; without even the implied warranty of 14*39b8eab7SMark Brown * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15*39b8eab7SMark Brown * General Public License for more details. 16*39b8eab7SMark Brown * 17*39b8eab7SMark Brown * You should have received a copy of the GNU General Public License 18*39b8eab7SMark Brown * along with this program; if not, write to the Free Software 19*39b8eab7SMark Brown * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 20*39b8eab7SMark Brown * 02110-1301 USA 21*39b8eab7SMark Brown */ 22*39b8eab7SMark Brown 23*39b8eab7SMark Brown #include <linux/module.h> 24*39b8eab7SMark Brown #include <linux/errno.h> 25*39b8eab7SMark Brown #include <linux/device.h> 26*39b8eab7SMark Brown #include <linux/i2c.h> 27*39b8eab7SMark Brown #include <linux/delay.h> 28*39b8eab7SMark Brown #include <linux/slab.h> 29*39b8eab7SMark Brown #include <sound/initval.h> 30*39b8eab7SMark Brown #include <sound/soc.h> 31*39b8eab7SMark Brown #include <sound/soc-dapm.h> 32*39b8eab7SMark Brown #include <sound/tlv.h> 33*39b8eab7SMark Brown #include <sound/wm9090.h> 34*39b8eab7SMark Brown 35*39b8eab7SMark Brown #include "wm9090.h" 36*39b8eab7SMark Brown 37*39b8eab7SMark Brown static struct snd_soc_codec *wm9090_codec; 38*39b8eab7SMark Brown 39*39b8eab7SMark Brown static const u16 wm9090_reg_defaults[] = { 40*39b8eab7SMark Brown 0x9093, /* R0 - Software Reset */ 41*39b8eab7SMark Brown 0x0006, /* R1 - Power Management (1) */ 42*39b8eab7SMark Brown 0x6000, /* R2 - Power Management (2) */ 43*39b8eab7SMark Brown 0x0000, /* R3 - Power Management (3) */ 44*39b8eab7SMark Brown 0x0000, /* R4 */ 45*39b8eab7SMark Brown 0x0000, /* R5 */ 46*39b8eab7SMark Brown 0x01C0, /* R6 - Clocking 1 */ 47*39b8eab7SMark Brown 0x0000, /* R7 */ 48*39b8eab7SMark Brown 0x0000, /* R8 */ 49*39b8eab7SMark Brown 0x0000, /* R9 */ 50*39b8eab7SMark Brown 0x0000, /* R10 */ 51*39b8eab7SMark Brown 0x0000, /* R11 */ 52*39b8eab7SMark Brown 0x0000, /* R12 */ 53*39b8eab7SMark Brown 0x0000, /* R13 */ 54*39b8eab7SMark Brown 0x0000, /* R14 */ 55*39b8eab7SMark Brown 0x0000, /* R15 */ 56*39b8eab7SMark Brown 0x0000, /* R16 */ 57*39b8eab7SMark Brown 0x0000, /* R17 */ 58*39b8eab7SMark Brown 0x0000, /* R18 */ 59*39b8eab7SMark Brown 0x0000, /* R19 */ 60*39b8eab7SMark Brown 0x0000, /* R20 */ 61*39b8eab7SMark Brown 0x0000, /* R21 */ 62*39b8eab7SMark Brown 0x0003, /* R22 - IN1 Line Control */ 63*39b8eab7SMark Brown 0x0003, /* R23 - IN2 Line Control */ 64*39b8eab7SMark Brown 0x0083, /* R24 - IN1 Line Input A Volume */ 65*39b8eab7SMark Brown 0x0083, /* R25 - IN1 Line Input B Volume */ 66*39b8eab7SMark Brown 0x0083, /* R26 - IN2 Line Input A Volume */ 67*39b8eab7SMark Brown 0x0083, /* R27 - IN2 Line Input B Volume */ 68*39b8eab7SMark Brown 0x002D, /* R28 - Left Output Volume */ 69*39b8eab7SMark Brown 0x002D, /* R29 - Right Output Volume */ 70*39b8eab7SMark Brown 0x0000, /* R30 */ 71*39b8eab7SMark Brown 0x0000, /* R31 */ 72*39b8eab7SMark Brown 0x0000, /* R32 */ 73*39b8eab7SMark Brown 0x0000, /* R33 */ 74*39b8eab7SMark Brown 0x0100, /* R34 - SPKMIXL Attenuation */ 75*39b8eab7SMark Brown 0x0000, /* R35 */ 76*39b8eab7SMark Brown 0x0010, /* R36 - SPKOUT Mixers */ 77*39b8eab7SMark Brown 0x0140, /* R37 - ClassD3 */ 78*39b8eab7SMark Brown 0x0039, /* R38 - Speaker Volume Left */ 79*39b8eab7SMark Brown 0x0000, /* R39 */ 80*39b8eab7SMark Brown 0x0000, /* R40 */ 81*39b8eab7SMark Brown 0x0000, /* R41 */ 82*39b8eab7SMark Brown 0x0000, /* R42 */ 83*39b8eab7SMark Brown 0x0000, /* R43 */ 84*39b8eab7SMark Brown 0x0000, /* R44 */ 85*39b8eab7SMark Brown 0x0000, /* R45 - Output Mixer1 */ 86*39b8eab7SMark Brown 0x0000, /* R46 - Output Mixer2 */ 87*39b8eab7SMark Brown 0x0100, /* R47 - Output Mixer3 */ 88*39b8eab7SMark Brown 0x0100, /* R48 - Output Mixer4 */ 89*39b8eab7SMark Brown 0x0000, /* R49 */ 90*39b8eab7SMark Brown 0x0000, /* R50 */ 91*39b8eab7SMark Brown 0x0000, /* R51 */ 92*39b8eab7SMark Brown 0x0000, /* R52 */ 93*39b8eab7SMark Brown 0x0000, /* R53 */ 94*39b8eab7SMark Brown 0x0000, /* R54 - Speaker Mixer */ 95*39b8eab7SMark Brown 0x0000, /* R55 */ 96*39b8eab7SMark Brown 0x0000, /* R56 */ 97*39b8eab7SMark Brown 0x000D, /* R57 - AntiPOP2 */ 98*39b8eab7SMark Brown 0x0000, /* R58 */ 99*39b8eab7SMark Brown 0x0000, /* R59 */ 100*39b8eab7SMark Brown 0x0000, /* R60 */ 101*39b8eab7SMark Brown 0x0000, /* R61 */ 102*39b8eab7SMark Brown 0x0000, /* R62 */ 103*39b8eab7SMark Brown 0x0000, /* R63 */ 104*39b8eab7SMark Brown 0x0000, /* R64 */ 105*39b8eab7SMark Brown 0x0000, /* R65 */ 106*39b8eab7SMark Brown 0x0000, /* R66 */ 107*39b8eab7SMark Brown 0x0000, /* R67 */ 108*39b8eab7SMark Brown 0x0000, /* R68 */ 109*39b8eab7SMark Brown 0x0000, /* R69 */ 110*39b8eab7SMark Brown 0x0000, /* R70 - Write Sequencer 0 */ 111*39b8eab7SMark Brown 0x0000, /* R71 - Write Sequencer 1 */ 112*39b8eab7SMark Brown 0x0000, /* R72 - Write Sequencer 2 */ 113*39b8eab7SMark Brown 0x0000, /* R73 - Write Sequencer 3 */ 114*39b8eab7SMark Brown 0x0000, /* R74 - Write Sequencer 4 */ 115*39b8eab7SMark Brown 0x0000, /* R75 - Write Sequencer 5 */ 116*39b8eab7SMark Brown 0x1F25, /* R76 - Charge Pump 1 */ 117*39b8eab7SMark Brown 0x0000, /* R77 */ 118*39b8eab7SMark Brown 0x0000, /* R78 */ 119*39b8eab7SMark Brown 0x0000, /* R79 */ 120*39b8eab7SMark Brown 0x0000, /* R80 */ 121*39b8eab7SMark Brown 0x0000, /* R81 */ 122*39b8eab7SMark Brown 0x0000, /* R82 */ 123*39b8eab7SMark Brown 0x0000, /* R83 */ 124*39b8eab7SMark Brown 0x0000, /* R84 - DC Servo 0 */ 125*39b8eab7SMark Brown 0x054A, /* R85 - DC Servo 1 */ 126*39b8eab7SMark Brown 0x0000, /* R86 */ 127*39b8eab7SMark Brown 0x0000, /* R87 - DC Servo 3 */ 128*39b8eab7SMark Brown 0x0000, /* R88 - DC Servo Readback 0 */ 129*39b8eab7SMark Brown 0x0000, /* R89 - DC Servo Readback 1 */ 130*39b8eab7SMark Brown 0x0000, /* R90 - DC Servo Readback 2 */ 131*39b8eab7SMark Brown 0x0000, /* R91 */ 132*39b8eab7SMark Brown 0x0000, /* R92 */ 133*39b8eab7SMark Brown 0x0000, /* R93 */ 134*39b8eab7SMark Brown 0x0000, /* R94 */ 135*39b8eab7SMark Brown 0x0000, /* R95 */ 136*39b8eab7SMark Brown 0x0100, /* R96 - Analogue HP 0 */ 137*39b8eab7SMark Brown 0x0000, /* R97 */ 138*39b8eab7SMark Brown 0x8640, /* R98 - AGC Control 0 */ 139*39b8eab7SMark Brown 0xC000, /* R99 - AGC Control 1 */ 140*39b8eab7SMark Brown 0x0200, /* R100 - AGC Control 2 */ 141*39b8eab7SMark Brown }; 142*39b8eab7SMark Brown 143*39b8eab7SMark Brown /* This struct is used to save the context */ 144*39b8eab7SMark Brown struct wm9090_priv { 145*39b8eab7SMark Brown /* We're not really registering as a CODEC since ASoC core 146*39b8eab7SMark Brown * does not yet support multiple CODECs but having the CODEC 147*39b8eab7SMark Brown * structure means we can reuse some of the ASoC core 148*39b8eab7SMark Brown * features. 149*39b8eab7SMark Brown */ 150*39b8eab7SMark Brown struct snd_soc_codec codec; 151*39b8eab7SMark Brown struct mutex mutex; 152*39b8eab7SMark Brown u16 reg_cache[WM9090_MAX_REGISTER + 1]; 153*39b8eab7SMark Brown struct wm9090_platform_data pdata; 154*39b8eab7SMark Brown }; 155*39b8eab7SMark Brown 156*39b8eab7SMark Brown static int wm9090_volatile(unsigned int reg) 157*39b8eab7SMark Brown { 158*39b8eab7SMark Brown switch (reg) { 159*39b8eab7SMark Brown case WM9090_SOFTWARE_RESET: 160*39b8eab7SMark Brown case WM9090_DC_SERVO_0: 161*39b8eab7SMark Brown case WM9090_DC_SERVO_READBACK_0: 162*39b8eab7SMark Brown case WM9090_DC_SERVO_READBACK_1: 163*39b8eab7SMark Brown case WM9090_DC_SERVO_READBACK_2: 164*39b8eab7SMark Brown return 1; 165*39b8eab7SMark Brown 166*39b8eab7SMark Brown default: 167*39b8eab7SMark Brown return 0; 168*39b8eab7SMark Brown } 169*39b8eab7SMark Brown } 170*39b8eab7SMark Brown 171*39b8eab7SMark Brown static void wait_for_dc_servo(struct snd_soc_codec *codec) 172*39b8eab7SMark Brown { 173*39b8eab7SMark Brown unsigned int reg; 174*39b8eab7SMark Brown int count = 0; 175*39b8eab7SMark Brown 176*39b8eab7SMark Brown dev_dbg(codec->dev, "Waiting for DC servo...\n"); 177*39b8eab7SMark Brown do { 178*39b8eab7SMark Brown count++; 179*39b8eab7SMark Brown msleep(1); 180*39b8eab7SMark Brown reg = snd_soc_read(codec, WM9090_DC_SERVO_READBACK_0); 181*39b8eab7SMark Brown dev_dbg(codec->dev, "DC servo status: %x\n", reg); 182*39b8eab7SMark Brown } while ((reg & WM9090_DCS_CAL_COMPLETE_MASK) 183*39b8eab7SMark Brown != WM9090_DCS_CAL_COMPLETE_MASK && count < 1000); 184*39b8eab7SMark Brown 185*39b8eab7SMark Brown if ((reg & WM9090_DCS_CAL_COMPLETE_MASK) 186*39b8eab7SMark Brown != WM9090_DCS_CAL_COMPLETE_MASK) 187*39b8eab7SMark Brown dev_err(codec->dev, "Timed out waiting for DC Servo\n"); 188*39b8eab7SMark Brown } 189*39b8eab7SMark Brown 190*39b8eab7SMark Brown static const unsigned int in_tlv[] = { 191*39b8eab7SMark Brown TLV_DB_RANGE_HEAD(6), 192*39b8eab7SMark Brown 0, 0, TLV_DB_SCALE_ITEM(-600, 0, 0), 193*39b8eab7SMark Brown 1, 3, TLV_DB_SCALE_ITEM(-350, 350, 0), 194*39b8eab7SMark Brown 4, 6, TLV_DB_SCALE_ITEM(600, 600, 0), 195*39b8eab7SMark Brown }; 196*39b8eab7SMark Brown static const unsigned int mix_tlv[] = { 197*39b8eab7SMark Brown TLV_DB_RANGE_HEAD(4), 198*39b8eab7SMark Brown 0, 2, TLV_DB_SCALE_ITEM(-1200, 300, 0), 199*39b8eab7SMark Brown 3, 3, TLV_DB_SCALE_ITEM(0, 0, 0), 200*39b8eab7SMark Brown }; 201*39b8eab7SMark Brown static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); 202*39b8eab7SMark Brown static const unsigned int spkboost_tlv[] = { 203*39b8eab7SMark Brown TLV_DB_RANGE_HEAD(7), 204*39b8eab7SMark Brown 0, 6, TLV_DB_SCALE_ITEM(0, 150, 0), 205*39b8eab7SMark Brown 7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0), 206*39b8eab7SMark Brown }; 207*39b8eab7SMark Brown 208*39b8eab7SMark Brown static const struct snd_kcontrol_new wm9090_controls[] = { 209*39b8eab7SMark Brown SOC_SINGLE_TLV("IN1A Volume", WM9090_IN1_LINE_INPUT_A_VOLUME, 0, 6, 0, 210*39b8eab7SMark Brown in_tlv), 211*39b8eab7SMark Brown SOC_SINGLE("IN1A Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 7, 1, 1), 212*39b8eab7SMark Brown SOC_SINGLE("IN1A ZC Switch", WM9090_IN1_LINE_INPUT_A_VOLUME, 6, 1, 0), 213*39b8eab7SMark Brown 214*39b8eab7SMark Brown SOC_SINGLE_TLV("IN2A Volume", WM9090_IN2_LINE_INPUT_A_VOLUME, 0, 6, 0, 215*39b8eab7SMark Brown in_tlv), 216*39b8eab7SMark Brown SOC_SINGLE("IN2A Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 7, 1, 1), 217*39b8eab7SMark Brown SOC_SINGLE("IN2A ZC Switch", WM9090_IN2_LINE_INPUT_A_VOLUME, 6, 1, 0), 218*39b8eab7SMark Brown 219*39b8eab7SMark Brown SOC_SINGLE("MIXOUTL Switch", WM9090_OUTPUT_MIXER3, 8, 1, 1), 220*39b8eab7SMark Brown SOC_SINGLE_TLV("MIXOUTL IN1A Volume", WM9090_OUTPUT_MIXER3, 6, 3, 1, 221*39b8eab7SMark Brown mix_tlv), 222*39b8eab7SMark Brown SOC_SINGLE_TLV("MIXOUTL IN2A Volume", WM9090_OUTPUT_MIXER3, 2, 3, 1, 223*39b8eab7SMark Brown mix_tlv), 224*39b8eab7SMark Brown 225*39b8eab7SMark Brown SOC_SINGLE("MIXOUTR Switch", WM9090_OUTPUT_MIXER4, 8, 1, 1), 226*39b8eab7SMark Brown SOC_SINGLE_TLV("MIXOUTR IN1A Volume", WM9090_OUTPUT_MIXER4, 6, 3, 1, 227*39b8eab7SMark Brown mix_tlv), 228*39b8eab7SMark Brown SOC_SINGLE_TLV("MIXOUTR IN2A Volume", WM9090_OUTPUT_MIXER4, 2, 3, 1, 229*39b8eab7SMark Brown mix_tlv), 230*39b8eab7SMark Brown 231*39b8eab7SMark Brown SOC_SINGLE("SPKMIX Switch", WM9090_SPKMIXL_ATTENUATION, 8, 1, 1), 232*39b8eab7SMark Brown SOC_SINGLE_TLV("SPKMIX IN1A Volume", WM9090_SPKMIXL_ATTENUATION, 6, 3, 1, 233*39b8eab7SMark Brown mix_tlv), 234*39b8eab7SMark Brown SOC_SINGLE_TLV("SPKMIX IN2A Volume", WM9090_SPKMIXL_ATTENUATION, 2, 3, 1, 235*39b8eab7SMark Brown mix_tlv), 236*39b8eab7SMark Brown 237*39b8eab7SMark Brown SOC_DOUBLE_R_TLV("Headphone Volume", WM9090_LEFT_OUTPUT_VOLUME, 238*39b8eab7SMark Brown WM9090_RIGHT_OUTPUT_VOLUME, 0, 63, 0, out_tlv), 239*39b8eab7SMark Brown SOC_DOUBLE_R("Headphone Switch", WM9090_LEFT_OUTPUT_VOLUME, 240*39b8eab7SMark Brown WM9090_RIGHT_OUTPUT_VOLUME, 6, 1, 1), 241*39b8eab7SMark Brown SOC_DOUBLE_R("Headphone ZC Switch", WM9090_LEFT_OUTPUT_VOLUME, 242*39b8eab7SMark Brown WM9090_RIGHT_OUTPUT_VOLUME, 7, 1, 0), 243*39b8eab7SMark Brown 244*39b8eab7SMark Brown SOC_SINGLE_TLV("Speaker Volume", WM9090_SPEAKER_VOLUME_LEFT, 0, 63, 0, 245*39b8eab7SMark Brown out_tlv), 246*39b8eab7SMark Brown SOC_SINGLE("Speaker Switch", WM9090_SPEAKER_VOLUME_LEFT, 6, 1, 1), 247*39b8eab7SMark Brown SOC_SINGLE("Speaker ZC Switch", WM9090_SPEAKER_VOLUME_LEFT, 7, 1, 0), 248*39b8eab7SMark Brown SOC_SINGLE_TLV("Speaker Boost Volume", WM9090_CLASSD3, 3, 7, 0, spkboost_tlv), 249*39b8eab7SMark Brown }; 250*39b8eab7SMark Brown 251*39b8eab7SMark Brown static const struct snd_kcontrol_new wm9090_in1_se_controls[] = { 252*39b8eab7SMark Brown SOC_SINGLE_TLV("IN1B Volume", WM9090_IN1_LINE_INPUT_B_VOLUME, 0, 6, 0, 253*39b8eab7SMark Brown in_tlv), 254*39b8eab7SMark Brown SOC_SINGLE("IN1B Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 7, 1, 1), 255*39b8eab7SMark Brown SOC_SINGLE("IN1B ZC Switch", WM9090_IN1_LINE_INPUT_B_VOLUME, 6, 1, 0), 256*39b8eab7SMark Brown 257*39b8eab7SMark Brown SOC_SINGLE_TLV("SPKMIX IN1B Volume", WM9090_SPKMIXL_ATTENUATION, 4, 3, 1, 258*39b8eab7SMark Brown mix_tlv), 259*39b8eab7SMark Brown SOC_SINGLE_TLV("MIXOUTL IN1B Volume", WM9090_OUTPUT_MIXER3, 4, 3, 1, 260*39b8eab7SMark Brown mix_tlv), 261*39b8eab7SMark Brown SOC_SINGLE_TLV("MIXOUTR IN1B Volume", WM9090_OUTPUT_MIXER4, 4, 3, 1, 262*39b8eab7SMark Brown mix_tlv), 263*39b8eab7SMark Brown }; 264*39b8eab7SMark Brown 265*39b8eab7SMark Brown static const struct snd_kcontrol_new wm9090_in2_se_controls[] = { 266*39b8eab7SMark Brown SOC_SINGLE_TLV("IN2B Volume", WM9090_IN2_LINE_INPUT_B_VOLUME, 0, 6, 0, 267*39b8eab7SMark Brown in_tlv), 268*39b8eab7SMark Brown SOC_SINGLE("IN2B Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 7, 1, 1), 269*39b8eab7SMark Brown SOC_SINGLE("IN2B ZC Switch", WM9090_IN2_LINE_INPUT_B_VOLUME, 6, 1, 0), 270*39b8eab7SMark Brown 271*39b8eab7SMark Brown SOC_SINGLE_TLV("SPKMIX IN2B Volume", WM9090_SPKMIXL_ATTENUATION, 0, 3, 1, 272*39b8eab7SMark Brown mix_tlv), 273*39b8eab7SMark Brown SOC_SINGLE_TLV("MIXOUTL IN2B Volume", WM9090_OUTPUT_MIXER3, 0, 3, 1, 274*39b8eab7SMark Brown mix_tlv), 275*39b8eab7SMark Brown SOC_SINGLE_TLV("MIXOUTR IN2B Volume", WM9090_OUTPUT_MIXER4, 0, 3, 1, 276*39b8eab7SMark Brown mix_tlv), 277*39b8eab7SMark Brown }; 278*39b8eab7SMark Brown 279*39b8eab7SMark Brown static int hp_ev(struct snd_soc_dapm_widget *w, 280*39b8eab7SMark Brown struct snd_kcontrol *kcontrol, int event) 281*39b8eab7SMark Brown { 282*39b8eab7SMark Brown struct snd_soc_codec *codec = w->codec; 283*39b8eab7SMark Brown unsigned int reg = snd_soc_read(codec, WM9090_ANALOGUE_HP_0); 284*39b8eab7SMark Brown 285*39b8eab7SMark Brown switch (event) { 286*39b8eab7SMark Brown case SND_SOC_DAPM_POST_PMU: 287*39b8eab7SMark Brown snd_soc_update_bits(codec, WM9090_CHARGE_PUMP_1, 288*39b8eab7SMark Brown WM9090_CP_ENA, WM9090_CP_ENA); 289*39b8eab7SMark Brown 290*39b8eab7SMark Brown msleep(5); 291*39b8eab7SMark Brown 292*39b8eab7SMark Brown snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1, 293*39b8eab7SMark Brown WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA, 294*39b8eab7SMark Brown WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA); 295*39b8eab7SMark Brown 296*39b8eab7SMark Brown reg |= WM9090_HPOUT1L_DLY | WM9090_HPOUT1R_DLY; 297*39b8eab7SMark Brown snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg); 298*39b8eab7SMark Brown 299*39b8eab7SMark Brown /* Start the DC servo. We don't currently use the 300*39b8eab7SMark Brown * ability to save the state since we don't have full 301*39b8eab7SMark Brown * control of the analogue paths and they can change 302*39b8eab7SMark Brown * DC offsets; see the WM8904 driver for an example of 303*39b8eab7SMark Brown * doing so. 304*39b8eab7SMark Brown */ 305*39b8eab7SMark Brown snd_soc_write(codec, WM9090_DC_SERVO_0, 306*39b8eab7SMark Brown WM9090_DCS_ENA_CHAN_0 | 307*39b8eab7SMark Brown WM9090_DCS_ENA_CHAN_1 | 308*39b8eab7SMark Brown WM9090_DCS_TRIG_STARTUP_1 | 309*39b8eab7SMark Brown WM9090_DCS_TRIG_STARTUP_0); 310*39b8eab7SMark Brown wait_for_dc_servo(codec); 311*39b8eab7SMark Brown 312*39b8eab7SMark Brown reg |= WM9090_HPOUT1R_OUTP | WM9090_HPOUT1R_RMV_SHORT | 313*39b8eab7SMark Brown WM9090_HPOUT1L_OUTP | WM9090_HPOUT1L_RMV_SHORT; 314*39b8eab7SMark Brown snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg); 315*39b8eab7SMark Brown break; 316*39b8eab7SMark Brown 317*39b8eab7SMark Brown case SND_SOC_DAPM_PRE_PMD: 318*39b8eab7SMark Brown reg &= ~(WM9090_HPOUT1L_RMV_SHORT | 319*39b8eab7SMark Brown WM9090_HPOUT1L_DLY | 320*39b8eab7SMark Brown WM9090_HPOUT1L_OUTP | 321*39b8eab7SMark Brown WM9090_HPOUT1R_RMV_SHORT | 322*39b8eab7SMark Brown WM9090_HPOUT1R_DLY | 323*39b8eab7SMark Brown WM9090_HPOUT1R_OUTP); 324*39b8eab7SMark Brown 325*39b8eab7SMark Brown snd_soc_write(codec, WM9090_ANALOGUE_HP_0, reg); 326*39b8eab7SMark Brown 327*39b8eab7SMark Brown snd_soc_write(codec, WM9090_DC_SERVO_0, 0); 328*39b8eab7SMark Brown 329*39b8eab7SMark Brown snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1, 330*39b8eab7SMark Brown WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA, 331*39b8eab7SMark Brown 0); 332*39b8eab7SMark Brown 333*39b8eab7SMark Brown snd_soc_update_bits(codec, WM9090_CHARGE_PUMP_1, 334*39b8eab7SMark Brown WM9090_CP_ENA, 0); 335*39b8eab7SMark Brown break; 336*39b8eab7SMark Brown } 337*39b8eab7SMark Brown 338*39b8eab7SMark Brown return 0; 339*39b8eab7SMark Brown } 340*39b8eab7SMark Brown 341*39b8eab7SMark Brown static const struct snd_kcontrol_new spkmix[] = { 342*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN1A Switch", WM9090_SPEAKER_MIXER, 6, 1, 0), 343*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN1B Switch", WM9090_SPEAKER_MIXER, 4, 1, 0), 344*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN2A Switch", WM9090_SPEAKER_MIXER, 2, 1, 0), 345*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN2B Switch", WM9090_SPEAKER_MIXER, 0, 1, 0), 346*39b8eab7SMark Brown }; 347*39b8eab7SMark Brown 348*39b8eab7SMark Brown static const struct snd_kcontrol_new spkout[] = { 349*39b8eab7SMark Brown SOC_DAPM_SINGLE("Mixer Switch", WM9090_SPKOUT_MIXERS, 4, 1, 0), 350*39b8eab7SMark Brown }; 351*39b8eab7SMark Brown 352*39b8eab7SMark Brown static const struct snd_kcontrol_new mixoutl[] = { 353*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER1, 6, 1, 0), 354*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER1, 4, 1, 0), 355*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER1, 2, 1, 0), 356*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER1, 0, 1, 0), 357*39b8eab7SMark Brown }; 358*39b8eab7SMark Brown 359*39b8eab7SMark Brown static const struct snd_kcontrol_new mixoutr[] = { 360*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN1A Switch", WM9090_OUTPUT_MIXER2, 6, 1, 0), 361*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN1B Switch", WM9090_OUTPUT_MIXER2, 4, 1, 0), 362*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN2A Switch", WM9090_OUTPUT_MIXER2, 2, 1, 0), 363*39b8eab7SMark Brown SOC_DAPM_SINGLE("IN2B Switch", WM9090_OUTPUT_MIXER2, 0, 1, 0), 364*39b8eab7SMark Brown }; 365*39b8eab7SMark Brown 366*39b8eab7SMark Brown static const struct snd_soc_dapm_widget wm9090_dapm_widgets[] = { 367*39b8eab7SMark Brown SND_SOC_DAPM_INPUT("IN1+"), 368*39b8eab7SMark Brown SND_SOC_DAPM_INPUT("IN1-"), 369*39b8eab7SMark Brown SND_SOC_DAPM_INPUT("IN2+"), 370*39b8eab7SMark Brown SND_SOC_DAPM_INPUT("IN2-"), 371*39b8eab7SMark Brown 372*39b8eab7SMark Brown SND_SOC_DAPM_SUPPLY("OSC", WM9090_POWER_MANAGEMENT_1, 3, 0, NULL, 0), 373*39b8eab7SMark Brown 374*39b8eab7SMark Brown SND_SOC_DAPM_PGA("IN1A PGA", WM9090_POWER_MANAGEMENT_2, 7, 0, NULL, 0), 375*39b8eab7SMark Brown SND_SOC_DAPM_PGA("IN1B PGA", WM9090_POWER_MANAGEMENT_2, 6, 0, NULL, 0), 376*39b8eab7SMark Brown SND_SOC_DAPM_PGA("IN2A PGA", WM9090_POWER_MANAGEMENT_2, 5, 0, NULL, 0), 377*39b8eab7SMark Brown SND_SOC_DAPM_PGA("IN2B PGA", WM9090_POWER_MANAGEMENT_2, 4, 0, NULL, 0), 378*39b8eab7SMark Brown 379*39b8eab7SMark Brown SND_SOC_DAPM_MIXER("SPKMIX", WM9090_POWER_MANAGEMENT_3, 3, 0, 380*39b8eab7SMark Brown spkmix, ARRAY_SIZE(spkmix)), 381*39b8eab7SMark Brown SND_SOC_DAPM_MIXER("MIXOUTL", WM9090_POWER_MANAGEMENT_3, 5, 0, 382*39b8eab7SMark Brown mixoutl, ARRAY_SIZE(mixoutl)), 383*39b8eab7SMark Brown SND_SOC_DAPM_MIXER("MIXOUTR", WM9090_POWER_MANAGEMENT_3, 4, 0, 384*39b8eab7SMark Brown mixoutr, ARRAY_SIZE(mixoutr)), 385*39b8eab7SMark Brown 386*39b8eab7SMark Brown SND_SOC_DAPM_PGA_E("HP PGA", SND_SOC_NOPM, 0, 0, NULL, 0, 387*39b8eab7SMark Brown hp_ev, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), 388*39b8eab7SMark Brown 389*39b8eab7SMark Brown SND_SOC_DAPM_PGA("SPKPGA", WM9090_POWER_MANAGEMENT_3, 8, 0, NULL, 0), 390*39b8eab7SMark Brown SND_SOC_DAPM_MIXER("SPKOUT", WM9090_POWER_MANAGEMENT_1, 12, 0, 391*39b8eab7SMark Brown spkout, ARRAY_SIZE(spkout)), 392*39b8eab7SMark Brown 393*39b8eab7SMark Brown SND_SOC_DAPM_OUTPUT("HPR"), 394*39b8eab7SMark Brown SND_SOC_DAPM_OUTPUT("HPL"), 395*39b8eab7SMark Brown SND_SOC_DAPM_OUTPUT("Speaker"), 396*39b8eab7SMark Brown }; 397*39b8eab7SMark Brown 398*39b8eab7SMark Brown static const struct snd_soc_dapm_route audio_map[] = { 399*39b8eab7SMark Brown { "IN1A PGA", NULL, "IN1+" }, 400*39b8eab7SMark Brown { "IN2A PGA", NULL, "IN2+" }, 401*39b8eab7SMark Brown 402*39b8eab7SMark Brown { "SPKMIX", "IN1A Switch", "IN1A PGA" }, 403*39b8eab7SMark Brown { "SPKMIX", "IN2A Switch", "IN2A PGA" }, 404*39b8eab7SMark Brown 405*39b8eab7SMark Brown { "MIXOUTL", "IN1A Switch", "IN1A PGA" }, 406*39b8eab7SMark Brown { "MIXOUTL", "IN2A Switch", "IN2A PGA" }, 407*39b8eab7SMark Brown 408*39b8eab7SMark Brown { "MIXOUTR", "IN1A Switch", "IN1A PGA" }, 409*39b8eab7SMark Brown { "MIXOUTR", "IN2A Switch", "IN2A PGA" }, 410*39b8eab7SMark Brown 411*39b8eab7SMark Brown { "HP PGA", NULL, "OSC" }, 412*39b8eab7SMark Brown { "HP PGA", NULL, "MIXOUTL" }, 413*39b8eab7SMark Brown { "HP PGA", NULL, "MIXOUTR" }, 414*39b8eab7SMark Brown 415*39b8eab7SMark Brown { "HPL", NULL, "HP PGA" }, 416*39b8eab7SMark Brown { "HPR", NULL, "HP PGA" }, 417*39b8eab7SMark Brown 418*39b8eab7SMark Brown { "SPKPGA", NULL, "OSC" }, 419*39b8eab7SMark Brown { "SPKPGA", NULL, "SPKMIX" }, 420*39b8eab7SMark Brown 421*39b8eab7SMark Brown { "SPKOUT", "Mixer Switch", "SPKPGA" }, 422*39b8eab7SMark Brown 423*39b8eab7SMark Brown { "Speaker", NULL, "SPKOUT" }, 424*39b8eab7SMark Brown }; 425*39b8eab7SMark Brown 426*39b8eab7SMark Brown static const struct snd_soc_dapm_route audio_map_in1_se[] = { 427*39b8eab7SMark Brown { "IN1B PGA", NULL, "IN1-" }, 428*39b8eab7SMark Brown 429*39b8eab7SMark Brown { "SPKMIX", "IN1B Switch", "IN1B PGA" }, 430*39b8eab7SMark Brown { "MIXOUTL", "IN1B Switch", "IN1B PGA" }, 431*39b8eab7SMark Brown { "MIXOUTR", "IN1B Switch", "IN1B PGA" }, 432*39b8eab7SMark Brown }; 433*39b8eab7SMark Brown 434*39b8eab7SMark Brown static const struct snd_soc_dapm_route audio_map_in1_diff[] = { 435*39b8eab7SMark Brown { "IN1A PGA", NULL, "IN1-" }, 436*39b8eab7SMark Brown }; 437*39b8eab7SMark Brown 438*39b8eab7SMark Brown static const struct snd_soc_dapm_route audio_map_in2_se[] = { 439*39b8eab7SMark Brown { "IN2B PGA", NULL, "IN2-" }, 440*39b8eab7SMark Brown 441*39b8eab7SMark Brown { "SPKMIX", "IN2B Switch", "IN2B PGA" }, 442*39b8eab7SMark Brown { "MIXOUTL", "IN2B Switch", "IN2B PGA" }, 443*39b8eab7SMark Brown { "MIXOUTR", "IN2B Switch", "IN2B PGA" }, 444*39b8eab7SMark Brown }; 445*39b8eab7SMark Brown 446*39b8eab7SMark Brown static const struct snd_soc_dapm_route audio_map_in2_diff[] = { 447*39b8eab7SMark Brown { "IN2A PGA", NULL, "IN2-" }, 448*39b8eab7SMark Brown }; 449*39b8eab7SMark Brown 450*39b8eab7SMark Brown static int wm9090_add_controls(struct snd_soc_codec *codec) 451*39b8eab7SMark Brown { 452*39b8eab7SMark Brown struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec); 453*39b8eab7SMark Brown int i; 454*39b8eab7SMark Brown 455*39b8eab7SMark Brown snd_soc_dapm_new_controls(codec, wm9090_dapm_widgets, 456*39b8eab7SMark Brown ARRAY_SIZE(wm9090_dapm_widgets)); 457*39b8eab7SMark Brown 458*39b8eab7SMark Brown snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); 459*39b8eab7SMark Brown 460*39b8eab7SMark Brown snd_soc_add_controls(codec, wm9090_controls, 461*39b8eab7SMark Brown ARRAY_SIZE(wm9090_controls)); 462*39b8eab7SMark Brown 463*39b8eab7SMark Brown if (wm9090->pdata.lin1_diff) { 464*39b8eab7SMark Brown snd_soc_dapm_add_routes(codec, audio_map_in1_diff, 465*39b8eab7SMark Brown ARRAY_SIZE(audio_map_in1_diff)); 466*39b8eab7SMark Brown } else { 467*39b8eab7SMark Brown snd_soc_dapm_add_routes(codec, audio_map_in1_se, 468*39b8eab7SMark Brown ARRAY_SIZE(audio_map_in1_se)); 469*39b8eab7SMark Brown snd_soc_add_controls(codec, wm9090_in1_se_controls, 470*39b8eab7SMark Brown ARRAY_SIZE(wm9090_in1_se_controls)); 471*39b8eab7SMark Brown } 472*39b8eab7SMark Brown 473*39b8eab7SMark Brown if (wm9090->pdata.lin2_diff) { 474*39b8eab7SMark Brown snd_soc_dapm_add_routes(codec, audio_map_in2_diff, 475*39b8eab7SMark Brown ARRAY_SIZE(audio_map_in2_diff)); 476*39b8eab7SMark Brown } else { 477*39b8eab7SMark Brown snd_soc_dapm_add_routes(codec, audio_map_in2_se, 478*39b8eab7SMark Brown ARRAY_SIZE(audio_map_in2_se)); 479*39b8eab7SMark Brown snd_soc_add_controls(codec, wm9090_in2_se_controls, 480*39b8eab7SMark Brown ARRAY_SIZE(wm9090_in2_se_controls)); 481*39b8eab7SMark Brown } 482*39b8eab7SMark Brown 483*39b8eab7SMark Brown if (wm9090->pdata.agc_ena) { 484*39b8eab7SMark Brown for (i = 0; i < ARRAY_SIZE(wm9090->pdata.agc); i++) 485*39b8eab7SMark Brown snd_soc_write(codec, WM9090_AGC_CONTROL_0 + i, 486*39b8eab7SMark Brown wm9090->pdata.agc[i]); 487*39b8eab7SMark Brown snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_3, 488*39b8eab7SMark Brown WM9090_AGC_ENA, WM9090_AGC_ENA); 489*39b8eab7SMark Brown } else { 490*39b8eab7SMark Brown snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_3, 491*39b8eab7SMark Brown WM9090_AGC_ENA, 0); 492*39b8eab7SMark Brown } 493*39b8eab7SMark Brown 494*39b8eab7SMark Brown return 0; 495*39b8eab7SMark Brown 496*39b8eab7SMark Brown } 497*39b8eab7SMark Brown 498*39b8eab7SMark Brown /* 499*39b8eab7SMark Brown * The machine driver should call this from their set_bias_level; if there 500*39b8eab7SMark Brown * isn't one then this can just be set as the set_bias_level function. 501*39b8eab7SMark Brown */ 502*39b8eab7SMark Brown static int wm9090_set_bias_level(struct snd_soc_codec *codec, 503*39b8eab7SMark Brown enum snd_soc_bias_level level) 504*39b8eab7SMark Brown { 505*39b8eab7SMark Brown u16 *reg_cache = codec->reg_cache; 506*39b8eab7SMark Brown int i, ret; 507*39b8eab7SMark Brown 508*39b8eab7SMark Brown switch (level) { 509*39b8eab7SMark Brown case SND_SOC_BIAS_ON: 510*39b8eab7SMark Brown break; 511*39b8eab7SMark Brown 512*39b8eab7SMark Brown case SND_SOC_BIAS_PREPARE: 513*39b8eab7SMark Brown snd_soc_update_bits(codec, WM9090_ANTIPOP2, WM9090_VMID_ENA, 514*39b8eab7SMark Brown WM9090_VMID_ENA); 515*39b8eab7SMark Brown snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1, 516*39b8eab7SMark Brown WM9090_BIAS_ENA | 517*39b8eab7SMark Brown WM9090_VMID_RES_MASK, 518*39b8eab7SMark Brown WM9090_BIAS_ENA | 519*39b8eab7SMark Brown 1 << WM9090_VMID_RES_SHIFT); 520*39b8eab7SMark Brown msleep(1); /* Probably an overestimate */ 521*39b8eab7SMark Brown break; 522*39b8eab7SMark Brown 523*39b8eab7SMark Brown case SND_SOC_BIAS_STANDBY: 524*39b8eab7SMark Brown if (codec->bias_level == SND_SOC_BIAS_OFF) { 525*39b8eab7SMark Brown /* Restore the register cache */ 526*39b8eab7SMark Brown for (i = 1; i < codec->reg_cache_size; i++) { 527*39b8eab7SMark Brown if (reg_cache[i] == wm9090_reg_defaults[i]) 528*39b8eab7SMark Brown continue; 529*39b8eab7SMark Brown if (wm9090_volatile(i)) 530*39b8eab7SMark Brown continue; 531*39b8eab7SMark Brown 532*39b8eab7SMark Brown ret = snd_soc_write(codec, i, reg_cache[i]); 533*39b8eab7SMark Brown if (ret != 0) 534*39b8eab7SMark Brown dev_warn(codec->dev, 535*39b8eab7SMark Brown "Failed to restore register %d: %d\n", 536*39b8eab7SMark Brown i, ret); 537*39b8eab7SMark Brown } 538*39b8eab7SMark Brown } 539*39b8eab7SMark Brown 540*39b8eab7SMark Brown /* We keep VMID off during standby since the combination of 541*39b8eab7SMark Brown * ground referenced outputs and class D speaker mean that 542*39b8eab7SMark Brown * latency is not an issue. 543*39b8eab7SMark Brown */ 544*39b8eab7SMark Brown snd_soc_update_bits(codec, WM9090_POWER_MANAGEMENT_1, 545*39b8eab7SMark Brown WM9090_BIAS_ENA | WM9090_VMID_RES_MASK, 0); 546*39b8eab7SMark Brown snd_soc_update_bits(codec, WM9090_ANTIPOP2, 547*39b8eab7SMark Brown WM9090_VMID_ENA, 0); 548*39b8eab7SMark Brown break; 549*39b8eab7SMark Brown 550*39b8eab7SMark Brown case SND_SOC_BIAS_OFF: 551*39b8eab7SMark Brown break; 552*39b8eab7SMark Brown } 553*39b8eab7SMark Brown 554*39b8eab7SMark Brown codec->bias_level = level; 555*39b8eab7SMark Brown 556*39b8eab7SMark Brown return 0; 557*39b8eab7SMark Brown } 558*39b8eab7SMark Brown 559*39b8eab7SMark Brown static int wm9090_probe(struct platform_device *pdev) 560*39b8eab7SMark Brown { 561*39b8eab7SMark Brown struct snd_soc_device *socdev = platform_get_drvdata(pdev); 562*39b8eab7SMark Brown struct snd_soc_codec *codec; 563*39b8eab7SMark Brown int ret = 0; 564*39b8eab7SMark Brown 565*39b8eab7SMark Brown if (wm9090_codec == NULL) { 566*39b8eab7SMark Brown dev_err(&pdev->dev, "Codec device not registered\n"); 567*39b8eab7SMark Brown return -ENODEV; 568*39b8eab7SMark Brown } 569*39b8eab7SMark Brown 570*39b8eab7SMark Brown socdev->card->codec = wm9090_codec; 571*39b8eab7SMark Brown codec = wm9090_codec; 572*39b8eab7SMark Brown 573*39b8eab7SMark Brown /* register pcms */ 574*39b8eab7SMark Brown ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); 575*39b8eab7SMark Brown if (ret < 0) { 576*39b8eab7SMark Brown dev_err(codec->dev, "failed to create pcms: %d\n", ret); 577*39b8eab7SMark Brown goto pcm_err; 578*39b8eab7SMark Brown } 579*39b8eab7SMark Brown 580*39b8eab7SMark Brown wm9090_add_controls(codec); 581*39b8eab7SMark Brown 582*39b8eab7SMark Brown return 0; 583*39b8eab7SMark Brown 584*39b8eab7SMark Brown pcm_err: 585*39b8eab7SMark Brown return ret; 586*39b8eab7SMark Brown } 587*39b8eab7SMark Brown 588*39b8eab7SMark Brown #ifdef CONFIG_PM 589*39b8eab7SMark Brown static int wm9090_suspend(struct platform_device *pdev, pm_message_t state) 590*39b8eab7SMark Brown { 591*39b8eab7SMark Brown struct snd_soc_device *socdev = platform_get_drvdata(pdev); 592*39b8eab7SMark Brown struct snd_soc_codec *codec = socdev->card->codec; 593*39b8eab7SMark Brown 594*39b8eab7SMark Brown wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF); 595*39b8eab7SMark Brown 596*39b8eab7SMark Brown return 0; 597*39b8eab7SMark Brown } 598*39b8eab7SMark Brown 599*39b8eab7SMark Brown static int wm9090_resume(struct platform_device *pdev) 600*39b8eab7SMark Brown { 601*39b8eab7SMark Brown struct snd_soc_device *socdev = platform_get_drvdata(pdev); 602*39b8eab7SMark Brown struct snd_soc_codec *codec = socdev->card->codec; 603*39b8eab7SMark Brown 604*39b8eab7SMark Brown wm9090_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 605*39b8eab7SMark Brown 606*39b8eab7SMark Brown return 0; 607*39b8eab7SMark Brown } 608*39b8eab7SMark Brown #else 609*39b8eab7SMark Brown #define wm9090_suspend NULL 610*39b8eab7SMark Brown #define wm9090_resume NULL 611*39b8eab7SMark Brown #endif 612*39b8eab7SMark Brown 613*39b8eab7SMark Brown static int wm9090_remove(struct platform_device *pdev) 614*39b8eab7SMark Brown { 615*39b8eab7SMark Brown struct snd_soc_device *socdev = platform_get_drvdata(pdev); 616*39b8eab7SMark Brown 617*39b8eab7SMark Brown snd_soc_free_pcms(socdev); 618*39b8eab7SMark Brown snd_soc_dapm_free(socdev); 619*39b8eab7SMark Brown 620*39b8eab7SMark Brown return 0; 621*39b8eab7SMark Brown } 622*39b8eab7SMark Brown 623*39b8eab7SMark Brown struct snd_soc_codec_device soc_codec_dev_wm9090 = { 624*39b8eab7SMark Brown .probe = wm9090_probe, 625*39b8eab7SMark Brown .remove = wm9090_remove, 626*39b8eab7SMark Brown .suspend = wm9090_suspend, 627*39b8eab7SMark Brown .resume = wm9090_resume, 628*39b8eab7SMark Brown }; 629*39b8eab7SMark Brown EXPORT_SYMBOL_GPL(soc_codec_dev_wm9090); 630*39b8eab7SMark Brown 631*39b8eab7SMark Brown static int wm9090_i2c_probe(struct i2c_client *i2c, 632*39b8eab7SMark Brown const struct i2c_device_id *id) 633*39b8eab7SMark Brown { 634*39b8eab7SMark Brown struct wm9090_priv *wm9090; 635*39b8eab7SMark Brown struct snd_soc_codec *codec; 636*39b8eab7SMark Brown int ret; 637*39b8eab7SMark Brown 638*39b8eab7SMark Brown wm9090 = kzalloc(sizeof(*wm9090), GFP_KERNEL); 639*39b8eab7SMark Brown if (wm9090 == NULL) { 640*39b8eab7SMark Brown dev_err(&i2c->dev, "Can not allocate memory\n"); 641*39b8eab7SMark Brown return -ENOMEM; 642*39b8eab7SMark Brown } 643*39b8eab7SMark Brown codec = &wm9090->codec; 644*39b8eab7SMark Brown 645*39b8eab7SMark Brown if (i2c->dev.platform_data) 646*39b8eab7SMark Brown memcpy(&wm9090->pdata, i2c->dev.platform_data, 647*39b8eab7SMark Brown sizeof(wm9090->pdata)); 648*39b8eab7SMark Brown 649*39b8eab7SMark Brown wm9090_codec = codec; 650*39b8eab7SMark Brown 651*39b8eab7SMark Brown i2c_set_clientdata(i2c, wm9090); 652*39b8eab7SMark Brown 653*39b8eab7SMark Brown mutex_init(&codec->mutex); 654*39b8eab7SMark Brown INIT_LIST_HEAD(&codec->dapm_widgets); 655*39b8eab7SMark Brown INIT_LIST_HEAD(&codec->dapm_paths); 656*39b8eab7SMark Brown 657*39b8eab7SMark Brown codec->control_data = i2c; 658*39b8eab7SMark Brown snd_soc_codec_set_drvdata(codec, wm9090); 659*39b8eab7SMark Brown codec->dev = &i2c->dev; 660*39b8eab7SMark Brown codec->name = "WM9090"; 661*39b8eab7SMark Brown codec->owner = THIS_MODULE; 662*39b8eab7SMark Brown codec->bias_level = SND_SOC_BIAS_OFF; 663*39b8eab7SMark Brown codec->set_bias_level = wm9090_set_bias_level, 664*39b8eab7SMark Brown codec->reg_cache_size = WM9090_MAX_REGISTER + 1; 665*39b8eab7SMark Brown codec->reg_cache = &wm9090->reg_cache; 666*39b8eab7SMark Brown codec->volatile_register = wm9090_volatile; 667*39b8eab7SMark Brown 668*39b8eab7SMark Brown ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C); 669*39b8eab7SMark Brown if (ret != 0) { 670*39b8eab7SMark Brown dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); 671*39b8eab7SMark Brown goto err; 672*39b8eab7SMark Brown } 673*39b8eab7SMark Brown 674*39b8eab7SMark Brown memcpy(&wm9090->reg_cache, wm9090_reg_defaults, 675*39b8eab7SMark Brown sizeof(wm9090->reg_cache)); 676*39b8eab7SMark Brown 677*39b8eab7SMark Brown ret = snd_soc_read(codec, WM9090_SOFTWARE_RESET); 678*39b8eab7SMark Brown if (ret < 0) 679*39b8eab7SMark Brown goto err; 680*39b8eab7SMark Brown if (ret != wm9090_reg_defaults[WM9090_SOFTWARE_RESET]) { 681*39b8eab7SMark Brown dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", ret); 682*39b8eab7SMark Brown ret = -EINVAL; 683*39b8eab7SMark Brown goto err; 684*39b8eab7SMark Brown } 685*39b8eab7SMark Brown 686*39b8eab7SMark Brown ret = snd_soc_write(codec, WM9090_SOFTWARE_RESET, 0); 687*39b8eab7SMark Brown if (ret < 0) 688*39b8eab7SMark Brown goto err; 689*39b8eab7SMark Brown 690*39b8eab7SMark Brown /* Configure some defaults; they will be written out when we 691*39b8eab7SMark Brown * bring the bias up. 692*39b8eab7SMark Brown */ 693*39b8eab7SMark Brown wm9090->reg_cache[WM9090_IN1_LINE_INPUT_A_VOLUME] |= WM9090_IN1_VU 694*39b8eab7SMark Brown | WM9090_IN1A_ZC; 695*39b8eab7SMark Brown wm9090->reg_cache[WM9090_IN1_LINE_INPUT_B_VOLUME] |= WM9090_IN1_VU 696*39b8eab7SMark Brown | WM9090_IN1B_ZC; 697*39b8eab7SMark Brown wm9090->reg_cache[WM9090_IN2_LINE_INPUT_A_VOLUME] |= WM9090_IN2_VU 698*39b8eab7SMark Brown | WM9090_IN2A_ZC; 699*39b8eab7SMark Brown wm9090->reg_cache[WM9090_IN2_LINE_INPUT_B_VOLUME] |= WM9090_IN2_VU 700*39b8eab7SMark Brown | WM9090_IN2B_ZC; 701*39b8eab7SMark Brown wm9090->reg_cache[WM9090_SPEAKER_VOLUME_LEFT] |= 702*39b8eab7SMark Brown WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC; 703*39b8eab7SMark Brown wm9090->reg_cache[WM9090_LEFT_OUTPUT_VOLUME] |= 704*39b8eab7SMark Brown WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC; 705*39b8eab7SMark Brown wm9090->reg_cache[WM9090_RIGHT_OUTPUT_VOLUME] |= 706*39b8eab7SMark Brown WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC; 707*39b8eab7SMark Brown 708*39b8eab7SMark Brown wm9090->reg_cache[WM9090_CLOCKING_1] |= WM9090_TOCLK_ENA; 709*39b8eab7SMark Brown 710*39b8eab7SMark Brown wm9090_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 711*39b8eab7SMark Brown 712*39b8eab7SMark Brown ret = snd_soc_register_codec(codec); 713*39b8eab7SMark Brown if (ret != 0) { 714*39b8eab7SMark Brown dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret); 715*39b8eab7SMark Brown goto err_bias; 716*39b8eab7SMark Brown } 717*39b8eab7SMark Brown 718*39b8eab7SMark Brown return 0; 719*39b8eab7SMark Brown 720*39b8eab7SMark Brown err_bias: 721*39b8eab7SMark Brown wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF); 722*39b8eab7SMark Brown err: 723*39b8eab7SMark Brown kfree(wm9090); 724*39b8eab7SMark Brown i2c_set_clientdata(i2c, NULL); 725*39b8eab7SMark Brown wm9090_codec = NULL; 726*39b8eab7SMark Brown 727*39b8eab7SMark Brown return ret; 728*39b8eab7SMark Brown } 729*39b8eab7SMark Brown 730*39b8eab7SMark Brown static int wm9090_i2c_remove(struct i2c_client *i2c) 731*39b8eab7SMark Brown { 732*39b8eab7SMark Brown struct wm9090_priv *wm9090 = i2c_get_clientdata(i2c); 733*39b8eab7SMark Brown struct snd_soc_codec *codec = &wm9090->codec; 734*39b8eab7SMark Brown 735*39b8eab7SMark Brown snd_soc_unregister_codec(codec); 736*39b8eab7SMark Brown wm9090_set_bias_level(codec, SND_SOC_BIAS_OFF); 737*39b8eab7SMark Brown kfree(wm9090); 738*39b8eab7SMark Brown wm9090_codec = NULL; 739*39b8eab7SMark Brown 740*39b8eab7SMark Brown return 0; 741*39b8eab7SMark Brown } 742*39b8eab7SMark Brown 743*39b8eab7SMark Brown static const struct i2c_device_id wm9090_id[] = { 744*39b8eab7SMark Brown { "wm9090", 0 }, 745*39b8eab7SMark Brown { } 746*39b8eab7SMark Brown }; 747*39b8eab7SMark Brown MODULE_DEVICE_TABLE(i2c, wm9090_id); 748*39b8eab7SMark Brown 749*39b8eab7SMark Brown static struct i2c_driver wm9090_i2c_driver = { 750*39b8eab7SMark Brown .driver = { 751*39b8eab7SMark Brown .name = "wm9090", 752*39b8eab7SMark Brown .owner = THIS_MODULE, 753*39b8eab7SMark Brown }, 754*39b8eab7SMark Brown .probe = wm9090_i2c_probe, 755*39b8eab7SMark Brown .remove = __devexit_p(wm9090_i2c_remove), 756*39b8eab7SMark Brown .id_table = wm9090_id, 757*39b8eab7SMark Brown }; 758*39b8eab7SMark Brown 759*39b8eab7SMark Brown static int __init wm9090_init(void) 760*39b8eab7SMark Brown { 761*39b8eab7SMark Brown return i2c_add_driver(&wm9090_i2c_driver); 762*39b8eab7SMark Brown } 763*39b8eab7SMark Brown module_init(wm9090_init); 764*39b8eab7SMark Brown 765*39b8eab7SMark Brown static void __exit wm9090_exit(void) 766*39b8eab7SMark Brown { 767*39b8eab7SMark Brown i2c_del_driver(&wm9090_i2c_driver); 768*39b8eab7SMark Brown } 769*39b8eab7SMark Brown module_exit(wm9090_exit); 770*39b8eab7SMark Brown 771*39b8eab7SMark Brown MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); 772*39b8eab7SMark Brown MODULE_DESCRIPTION("WM9090 ASoC driver"); 773*39b8eab7SMark Brown MODULE_LICENSE("GPL"); 774