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Diffstat (limited to 'sound/soc/codecs/wm8993.c')
-rw-r--r--sound/soc/codecs/wm8993.c649
1 files changed, 427 insertions, 222 deletions
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index 7c7fd925db8d..d256a9340644 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -16,6 +16,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
+#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
@@ -40,134 +41,113 @@ static const char *wm8993_supply_names[WM8993_NUM_SUPPLIES] = {
"SPKVDD",
};
-static u16 wm8993_reg_defaults[WM8993_REGISTER_COUNT] = {
- 0x8993, /* R0 - Software Reset */
- 0x0000, /* R1 - Power Management (1) */
- 0x6000, /* R2 - Power Management (2) */
- 0x0000, /* R3 - Power Management (3) */
- 0x4050, /* R4 - Audio Interface (1) */
- 0x4000, /* R5 - Audio Interface (2) */
- 0x01C8, /* R6 - Clocking 1 */
- 0x0000, /* R7 - Clocking 2 */
- 0x0000, /* R8 - Audio Interface (3) */
- 0x0040, /* R9 - Audio Interface (4) */
- 0x0004, /* R10 - DAC CTRL */
- 0x00C0, /* R11 - Left DAC Digital Volume */
- 0x00C0, /* R12 - Right DAC Digital Volume */
- 0x0000, /* R13 - Digital Side Tone */
- 0x0300, /* R14 - ADC CTRL */
- 0x00C0, /* R15 - Left ADC Digital Volume */
- 0x00C0, /* R16 - Right ADC Digital Volume */
- 0x0000, /* R17 */
- 0x0000, /* R18 - GPIO CTRL 1 */
- 0x0010, /* R19 - GPIO1 */
- 0x0000, /* R20 - IRQ_DEBOUNCE */
- 0x0000, /* R21 */
- 0x8000, /* R22 - GPIOCTRL 2 */
- 0x0800, /* R23 - GPIO_POL */
- 0x008B, /* R24 - Left Line Input 1&2 Volume */
- 0x008B, /* R25 - Left Line Input 3&4 Volume */
- 0x008B, /* R26 - Right Line Input 1&2 Volume */
- 0x008B, /* R27 - Right Line Input 3&4 Volume */
- 0x006D, /* R28 - Left Output Volume */
- 0x006D, /* R29 - Right Output Volume */
- 0x0066, /* R30 - Line Outputs Volume */
- 0x0020, /* R31 - HPOUT2 Volume */
- 0x0079, /* R32 - Left OPGA Volume */
- 0x0079, /* R33 - Right OPGA Volume */
- 0x0003, /* R34 - SPKMIXL Attenuation */
- 0x0003, /* R35 - SPKMIXR Attenuation */
- 0x0011, /* R36 - SPKOUT Mixers */
- 0x0100, /* R37 - SPKOUT Boost */
- 0x0079, /* R38 - Speaker Volume Left */
- 0x0079, /* R39 - Speaker Volume Right */
- 0x0000, /* R40 - Input Mixer2 */
- 0x0000, /* R41 - Input Mixer3 */
- 0x0000, /* R42 - Input Mixer4 */
- 0x0000, /* R43 - Input Mixer5 */
- 0x0000, /* R44 - Input Mixer6 */
- 0x0000, /* R45 - Output Mixer1 */
- 0x0000, /* R46 - Output Mixer2 */
- 0x0000, /* R47 - Output Mixer3 */
- 0x0000, /* R48 - Output Mixer4 */
- 0x0000, /* R49 - Output Mixer5 */
- 0x0000, /* R50 - Output Mixer6 */
- 0x0000, /* R51 - HPOUT2 Mixer */
- 0x0000, /* R52 - Line Mixer1 */
- 0x0000, /* R53 - Line Mixer2 */
- 0x0000, /* R54 - Speaker Mixer */
- 0x0000, /* R55 - Additional Control */
- 0x0000, /* R56 - AntiPOP1 */
- 0x0000, /* R57 - AntiPOP2 */
- 0x0000, /* R58 - MICBIAS */
- 0x0000, /* R59 */
- 0x0000, /* R60 - FLL Control 1 */
- 0x0000, /* R61 - FLL Control 2 */
- 0x0000, /* R62 - FLL Control 3 */
- 0x2EE0, /* R63 - FLL Control 4 */
- 0x0002, /* R64 - FLL Control 5 */
- 0x2287, /* R65 - Clocking 3 */
- 0x025F, /* R66 - Clocking 4 */
- 0x0000, /* R67 - MW Slave Control */
- 0x0000, /* R68 */
- 0x0002, /* R69 - Bus Control 1 */
- 0x0000, /* R70 - Write Sequencer 0 */
- 0x0000, /* R71 - Write Sequencer 1 */
- 0x0000, /* R72 - Write Sequencer 2 */
- 0x0000, /* R73 - Write Sequencer 3 */
- 0x0000, /* R74 - Write Sequencer 4 */
- 0x0000, /* R75 - Write Sequencer 5 */
- 0x1F25, /* R76 - Charge Pump 1 */
- 0x0000, /* R77 */
- 0x0000, /* R78 */
- 0x0000, /* R79 */
- 0x0000, /* R80 */
- 0x0000, /* R81 - Class W 0 */
- 0x0000, /* R82 */
- 0x0000, /* R83 */
- 0x0000, /* R84 - DC Servo 0 */
- 0x054A, /* R85 - DC Servo 1 */
- 0x0000, /* R86 */
- 0x0000, /* R87 - DC Servo 3 */
- 0x0000, /* R88 - DC Servo Readback 0 */
- 0x0000, /* R89 - DC Servo Readback 1 */
- 0x0000, /* R90 - DC Servo Readback 2 */
- 0x0000, /* R91 */
- 0x0000, /* R92 */
- 0x0000, /* R93 */
- 0x0000, /* R94 */
- 0x0000, /* R95 */
- 0x0100, /* R96 - Analogue HP 0 */
- 0x0000, /* R97 */
- 0x0000, /* R98 - EQ1 */
- 0x000C, /* R99 - EQ2 */
- 0x000C, /* R100 - EQ3 */
- 0x000C, /* R101 - EQ4 */
- 0x000C, /* R102 - EQ5 */
- 0x000C, /* R103 - EQ6 */
- 0x0FCA, /* R104 - EQ7 */
- 0x0400, /* R105 - EQ8 */
- 0x00D8, /* R106 - EQ9 */
- 0x1EB5, /* R107 - EQ10 */
- 0xF145, /* R108 - EQ11 */
- 0x0B75, /* R109 - EQ12 */
- 0x01C5, /* R110 - EQ13 */
- 0x1C58, /* R111 - EQ14 */
- 0xF373, /* R112 - EQ15 */
- 0x0A54, /* R113 - EQ16 */
- 0x0558, /* R114 - EQ17 */
- 0x168E, /* R115 - EQ18 */
- 0xF829, /* R116 - EQ19 */
- 0x07AD, /* R117 - EQ20 */
- 0x1103, /* R118 - EQ21 */
- 0x0564, /* R119 - EQ22 */
- 0x0559, /* R120 - EQ23 */
- 0x4000, /* R121 - EQ24 */
- 0x0000, /* R122 - Digital Pulls */
- 0x0F08, /* R123 - DRC Control 1 */
- 0x0000, /* R124 - DRC Control 2 */
- 0x0080, /* R125 - DRC Control 3 */
- 0x0000, /* R126 - DRC Control 4 */
+static struct reg_default wm8993_reg_defaults[] = {
+ { 1, 0x0000 }, /* R1 - Power Management (1) */
+ { 2, 0x6000 }, /* R2 - Power Management (2) */
+ { 3, 0x0000 }, /* R3 - Power Management (3) */
+ { 4, 0x4050 }, /* R4 - Audio Interface (1) */
+ { 5, 0x4000 }, /* R5 - Audio Interface (2) */
+ { 6, 0x01C8 }, /* R6 - Clocking 1 */
+ { 7, 0x0000 }, /* R7 - Clocking 2 */
+ { 8, 0x0000 }, /* R8 - Audio Interface (3) */
+ { 9, 0x0040 }, /* R9 - Audio Interface (4) */
+ { 10, 0x0004 }, /* R10 - DAC CTRL */
+ { 11, 0x00C0 }, /* R11 - Left DAC Digital Volume */
+ { 12, 0x00C0 }, /* R12 - Right DAC Digital Volume */
+ { 13, 0x0000 }, /* R13 - Digital Side Tone */
+ { 14, 0x0300 }, /* R14 - ADC CTRL */
+ { 15, 0x00C0 }, /* R15 - Left ADC Digital Volume */
+ { 16, 0x00C0 }, /* R16 - Right ADC Digital Volume */
+ { 18, 0x0000 }, /* R18 - GPIO CTRL 1 */
+ { 19, 0x0010 }, /* R19 - GPIO1 */
+ { 20, 0x0000 }, /* R20 - IRQ_DEBOUNCE */
+ { 21, 0x0000 }, /* R21 - Inputs Clamp */
+ { 22, 0x8000 }, /* R22 - GPIOCTRL 2 */
+ { 23, 0x0800 }, /* R23 - GPIO_POL */
+ { 24, 0x008B }, /* R24 - Left Line Input 1&2 Volume */
+ { 25, 0x008B }, /* R25 - Left Line Input 3&4 Volume */
+ { 26, 0x008B }, /* R26 - Right Line Input 1&2 Volume */
+ { 27, 0x008B }, /* R27 - Right Line Input 3&4 Volume */
+ { 28, 0x006D }, /* R28 - Left Output Volume */
+ { 29, 0x006D }, /* R29 - Right Output Volume */
+ { 30, 0x0066 }, /* R30 - Line Outputs Volume */
+ { 31, 0x0020 }, /* R31 - HPOUT2 Volume */
+ { 32, 0x0079 }, /* R32 - Left OPGA Volume */
+ { 33, 0x0079 }, /* R33 - Right OPGA Volume */
+ { 34, 0x0003 }, /* R34 - SPKMIXL Attenuation */
+ { 35, 0x0003 }, /* R35 - SPKMIXR Attenuation */
+ { 36, 0x0011 }, /* R36 - SPKOUT Mixers */
+ { 37, 0x0100 }, /* R37 - SPKOUT Boost */
+ { 38, 0x0079 }, /* R38 - Speaker Volume Left */
+ { 39, 0x0079 }, /* R39 - Speaker Volume Right */
+ { 40, 0x0000 }, /* R40 - Input Mixer2 */
+ { 41, 0x0000 }, /* R41 - Input Mixer3 */
+ { 42, 0x0000 }, /* R42 - Input Mixer4 */
+ { 43, 0x0000 }, /* R43 - Input Mixer5 */
+ { 44, 0x0000 }, /* R44 - Input Mixer6 */
+ { 45, 0x0000 }, /* R45 - Output Mixer1 */
+ { 46, 0x0000 }, /* R46 - Output Mixer2 */
+ { 47, 0x0000 }, /* R47 - Output Mixer3 */
+ { 48, 0x0000 }, /* R48 - Output Mixer4 */
+ { 49, 0x0000 }, /* R49 - Output Mixer5 */
+ { 50, 0x0000 }, /* R50 - Output Mixer6 */
+ { 51, 0x0000 }, /* R51 - HPOUT2 Mixer */
+ { 52, 0x0000 }, /* R52 - Line Mixer1 */
+ { 53, 0x0000 }, /* R53 - Line Mixer2 */
+ { 54, 0x0000 }, /* R54 - Speaker Mixer */
+ { 55, 0x0000 }, /* R55 - Additional Control */
+ { 56, 0x0000 }, /* R56 - AntiPOP1 */
+ { 57, 0x0000 }, /* R57 - AntiPOP2 */
+ { 58, 0x0000 }, /* R58 - MICBIAS */
+ { 60, 0x0000 }, /* R60 - FLL Control 1 */
+ { 61, 0x0000 }, /* R61 - FLL Control 2 */
+ { 62, 0x0000 }, /* R62 - FLL Control 3 */
+ { 63, 0x2EE0 }, /* R63 - FLL Control 4 */
+ { 64, 0x0002 }, /* R64 - FLL Control 5 */
+ { 65, 0x2287 }, /* R65 - Clocking 3 */
+ { 66, 0x025F }, /* R66 - Clocking 4 */
+ { 67, 0x0000 }, /* R67 - MW Slave Control */
+ { 69, 0x0002 }, /* R69 - Bus Control 1 */
+ { 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 */
+ { 81, 0x0000 }, /* R81 - Class W 0 */
+ { 85, 0x054A }, /* R85 - DC Servo 1 */
+ { 87, 0x0000 }, /* R87 - DC Servo 3 */
+ { 96, 0x0100 }, /* R96 - Analogue HP 0 */
+ { 98, 0x0000 }, /* R98 - EQ1 */
+ { 99, 0x000C }, /* R99 - EQ2 */
+ { 100, 0x000C }, /* R100 - EQ3 */
+ { 101, 0x000C }, /* R101 - EQ4 */
+ { 102, 0x000C }, /* R102 - EQ5 */
+ { 103, 0x000C }, /* R103 - EQ6 */
+ { 104, 0x0FCA }, /* R104 - EQ7 */
+ { 105, 0x0400 }, /* R105 - EQ8 */
+ { 106, 0x00D8 }, /* R106 - EQ9 */
+ { 107, 0x1EB5 }, /* R107 - EQ10 */
+ { 108, 0xF145 }, /* R108 - EQ11 */
+ { 109, 0x0B75 }, /* R109 - EQ12 */
+ { 110, 0x01C5 }, /* R110 - EQ13 */
+ { 111, 0x1C58 }, /* R111 - EQ14 */
+ { 112, 0xF373 }, /* R112 - EQ15 */
+ { 113, 0x0A54 }, /* R113 - EQ16 */
+ { 114, 0x0558 }, /* R114 - EQ17 */
+ { 115, 0x168E }, /* R115 - EQ18 */
+ { 116, 0xF829 }, /* R116 - EQ19 */
+ { 117, 0x07AD }, /* R117 - EQ20 */
+ { 118, 0x1103 }, /* R118 - EQ21 */
+ { 119, 0x0564 }, /* R119 - EQ22 */
+ { 120, 0x0559 }, /* R120 - EQ23 */
+ { 121, 0x4000 }, /* R121 - EQ24 */
+ { 122, 0x0000 }, /* R122 - Digital Pulls */
+ { 123, 0x0F08 }, /* R123 - DRC Control 1 */
+ { 124, 0x0000 }, /* R124 - DRC Control 2 */
+ { 125, 0x0080 }, /* R125 - DRC Control 3 */
+ { 126, 0x0000 }, /* R126 - DRC Control 4 */
};
static struct {
@@ -225,9 +205,11 @@ static struct {
struct wm8993_priv {
struct wm_hubs_data hubs_data;
+ struct device *dev;
+ struct regmap *regmap;
struct regulator_bulk_data supplies[WM8993_NUM_SUPPLIES];
struct wm8993_platform_data pdata;
- enum snd_soc_control_type control_type;
+ struct completion fll_lock;
int master;
int sysclk_source;
int tdm_slots;
@@ -242,17 +224,137 @@ struct wm8993_priv {
int fll_src;
};
-static int wm8993_volatile(struct snd_soc_codec *codec, unsigned int reg)
+static bool wm8993_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM8993_SOFTWARE_RESET:
+ case WM8993_GPIO_CTRL_1:
case WM8993_DC_SERVO_0:
case WM8993_DC_SERVO_READBACK_0:
case WM8993_DC_SERVO_READBACK_1:
case WM8993_DC_SERVO_READBACK_2:
- return 1;
+ return true;
default:
- return 0;
+ return false;
+ }
+}
+
+static bool wm8993_readable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM8993_SOFTWARE_RESET:
+ case WM8993_POWER_MANAGEMENT_1:
+ case WM8993_POWER_MANAGEMENT_2:
+ case WM8993_POWER_MANAGEMENT_3:
+ case WM8993_AUDIO_INTERFACE_1:
+ case WM8993_AUDIO_INTERFACE_2:
+ case WM8993_CLOCKING_1:
+ case WM8993_CLOCKING_2:
+ case WM8993_AUDIO_INTERFACE_3:
+ case WM8993_AUDIO_INTERFACE_4:
+ case WM8993_DAC_CTRL:
+ case WM8993_LEFT_DAC_DIGITAL_VOLUME:
+ case WM8993_RIGHT_DAC_DIGITAL_VOLUME:
+ case WM8993_DIGITAL_SIDE_TONE:
+ case WM8993_ADC_CTRL:
+ case WM8993_LEFT_ADC_DIGITAL_VOLUME:
+ case WM8993_RIGHT_ADC_DIGITAL_VOLUME:
+ case WM8993_GPIO_CTRL_1:
+ case WM8993_GPIO1:
+ case WM8993_IRQ_DEBOUNCE:
+ case WM8993_GPIOCTRL_2:
+ case WM8993_GPIO_POL:
+ case WM8993_LEFT_LINE_INPUT_1_2_VOLUME:
+ case WM8993_LEFT_LINE_INPUT_3_4_VOLUME:
+ case WM8993_RIGHT_LINE_INPUT_1_2_VOLUME:
+ case WM8993_RIGHT_LINE_INPUT_3_4_VOLUME:
+ case WM8993_LEFT_OUTPUT_VOLUME:
+ case WM8993_RIGHT_OUTPUT_VOLUME:
+ case WM8993_LINE_OUTPUTS_VOLUME:
+ case WM8993_HPOUT2_VOLUME:
+ case WM8993_LEFT_OPGA_VOLUME:
+ case WM8993_RIGHT_OPGA_VOLUME:
+ case WM8993_SPKMIXL_ATTENUATION:
+ case WM8993_SPKMIXR_ATTENUATION:
+ case WM8993_SPKOUT_MIXERS:
+ case WM8993_SPKOUT_BOOST:
+ case WM8993_SPEAKER_VOLUME_LEFT:
+ case WM8993_SPEAKER_VOLUME_RIGHT:
+ case WM8993_INPUT_MIXER2:
+ case WM8993_INPUT_MIXER3:
+ case WM8993_INPUT_MIXER4:
+ case WM8993_INPUT_MIXER5:
+ case WM8993_INPUT_MIXER6:
+ case WM8993_OUTPUT_MIXER1:
+ case WM8993_OUTPUT_MIXER2:
+ case WM8993_OUTPUT_MIXER3:
+ case WM8993_OUTPUT_MIXER4:
+ case WM8993_OUTPUT_MIXER5:
+ case WM8993_OUTPUT_MIXER6:
+ case WM8993_HPOUT2_MIXER:
+ case WM8993_LINE_MIXER1:
+ case WM8993_LINE_MIXER2:
+ case WM8993_SPEAKER_MIXER:
+ case WM8993_ADDITIONAL_CONTROL:
+ case WM8993_ANTIPOP1:
+ case WM8993_ANTIPOP2:
+ case WM8993_MICBIAS:
+ case WM8993_FLL_CONTROL_1:
+ case WM8993_FLL_CONTROL_2:
+ case WM8993_FLL_CONTROL_3:
+ case WM8993_FLL_CONTROL_4:
+ case WM8993_FLL_CONTROL_5:
+ case WM8993_CLOCKING_3:
+ case WM8993_CLOCKING_4:
+ case WM8993_MW_SLAVE_CONTROL:
+ case WM8993_BUS_CONTROL_1:
+ case WM8993_WRITE_SEQUENCER_0:
+ case WM8993_WRITE_SEQUENCER_1:
+ case WM8993_WRITE_SEQUENCER_2:
+ case WM8993_WRITE_SEQUENCER_3:
+ case WM8993_WRITE_SEQUENCER_4:
+ case WM8993_WRITE_SEQUENCER_5:
+ case WM8993_CHARGE_PUMP_1:
+ case WM8993_CLASS_W_0:
+ case WM8993_DC_SERVO_0:
+ case WM8993_DC_SERVO_1:
+ case WM8993_DC_SERVO_3:
+ case WM8993_DC_SERVO_READBACK_0:
+ case WM8993_DC_SERVO_READBACK_1:
+ case WM8993_DC_SERVO_READBACK_2:
+ case WM8993_ANALOGUE_HP_0:
+ case WM8993_EQ1:
+ case WM8993_EQ2:
+ case WM8993_EQ3:
+ case WM8993_EQ4:
+ case WM8993_EQ5:
+ case WM8993_EQ6:
+ case WM8993_EQ7:
+ case WM8993_EQ8:
+ case WM8993_EQ9:
+ case WM8993_EQ10:
+ case WM8993_EQ11:
+ case WM8993_EQ12:
+ case WM8993_EQ13:
+ case WM8993_EQ14:
+ case WM8993_EQ15:
+ case WM8993_EQ16:
+ case WM8993_EQ17:
+ case WM8993_EQ18:
+ case WM8993_EQ19:
+ case WM8993_EQ20:
+ case WM8993_EQ21:
+ case WM8993_EQ22:
+ case WM8993_EQ23:
+ case WM8993_EQ24:
+ case WM8993_DIGITAL_PULLS:
+ case WM8993_DRC_CONTROL_1:
+ case WM8993_DRC_CONTROL_2:
+ case WM8993_DRC_CONTROL_3:
+ case WM8993_DRC_CONTROL_4:
+ return true;
+ default:
+ return false;
}
}
@@ -369,8 +471,10 @@ static int _wm8993_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
unsigned int Fref, unsigned int Fout)
{
struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
+ struct i2c_client *i2c = to_i2c_client(codec->dev);
u16 reg1, reg4, reg5;
struct _fll_div fll_div;
+ unsigned int timeout;
int ret;
/* Any change? */
@@ -441,14 +545,22 @@ static int _wm8993_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
reg5 |= fll_div.fll_clk_ref_div << WM8993_FLL_CLK_REF_DIV_SHIFT;
snd_soc_write(codec, WM8993_FLL_CONTROL_5, reg5);
+ /* If we've got an interrupt wired up make sure we get it */
+ if (i2c->irq)
+ timeout = msecs_to_jiffies(20);
+ else if (Fref < 1000000)
+ timeout = msecs_to_jiffies(3);
+ else
+ timeout = msecs_to_jiffies(1);
+
+ try_wait_for_completion(&wm8993->fll_lock);
+
/* Enable the FLL */
snd_soc_write(codec, WM8993_FLL_CONTROL_1, reg1 | WM8993_FLL_ENA);
- /* Both overestimates */
- if (Fref < 1000000)
- msleep(3);
- else
- msleep(1);
+ timeout = wait_for_completion_timeout(&wm8993->fll_lock, timeout);
+ if (i2c->irq && !timeout)
+ dev_warn(codec->dev, "Timed out waiting for FLL\n");
dev_dbg(codec->dev, "FLL enabled at %dHz->%dHz\n", Fref, Fout);
@@ -946,6 +1058,8 @@ static int wm8993_set_bias_level(struct snd_soc_codec *codec,
struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
int ret;
+ wm_hubs_set_bias_level(codec, level);
+
switch (level) {
case SND_SOC_BIAS_ON:
case SND_SOC_BIAS_PREPARE:
@@ -963,12 +1077,10 @@ static int wm8993_set_bias_level(struct snd_soc_codec *codec,
if (ret != 0)
return ret;
- snd_soc_cache_sync(codec);
+ regcache_cache_only(wm8993->regmap, false);
+ regcache_sync(wm8993->regmap);
- /* Tune DC servo configuration */
- snd_soc_write(codec, 0x44, 3);
- snd_soc_write(codec, 0x56, 3);
- snd_soc_write(codec, 0x44, 0);
+ wm_hubs_vmid_ena(codec);
/* Bring up VMID with fast soft start */
snd_soc_update_bits(codec, WM8993_ANTIPOP2,
@@ -1024,14 +1136,8 @@ static int wm8993_set_bias_level(struct snd_soc_codec *codec,
WM8993_VMID_RAMP_MASK |
WM8993_BIAS_SRC, 0);
-#ifdef CONFIG_REGULATOR
- /* Post 2.6.34 we will be able to get a callback when
- * the regulators are disabled which we can use but
- * for now just assume that the power will be cut if
- * the regulator API is in use.
- */
- codec->cache_sync = 1;
-#endif
+ regcache_cache_only(wm8993->regmap, true);
+ regcache_mark_dirty(wm8993->regmap);
regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies),
wm8993->supplies);
@@ -1378,6 +1484,45 @@ out:
return 0;
}
+static irqreturn_t wm8993_irq(int irq, void *data)
+{
+ struct wm8993_priv *wm8993 = data;
+ int mask, val, ret;
+
+ ret = regmap_read(wm8993->regmap, WM8993_GPIO_CTRL_1, &val);
+ if (ret != 0) {
+ dev_err(wm8993->dev, "Failed to read interrupt status: %d\n",
+ ret);
+ return IRQ_NONE;
+ }
+
+ ret = regmap_read(wm8993->regmap, WM8993_GPIOCTRL_2, &mask);
+ if (ret != 0) {
+ dev_err(wm8993->dev, "Failed to read interrupt mask: %d\n",
+ ret);
+ return IRQ_NONE;
+ }
+
+ /* The IRQ pin status is visible in the register too */
+ val &= ~(mask | WM8993_IRQ);
+ if (!val)
+ return IRQ_NONE;
+
+ if (val & WM8993_TEMPOK_EINT)
+ dev_crit(wm8993->dev, "Thermal warning\n");
+
+ if (val & WM8993_FLL_LOCK_EINT) {
+ dev_dbg(wm8993->dev, "FLL locked\n");
+ complete(&wm8993->fll_lock);
+ }
+
+ ret = regmap_write(wm8993->regmap, WM8993_GPIO_CTRL_1, val);
+ if (ret != 0)
+ dev_err(wm8993->dev, "Failed to ack interrupt: %d\n", ret);
+
+ return IRQ_HANDLED;
+}
+
static const struct snd_soc_dai_ops wm8993_ops = {
.set_sysclk = wm8993_set_sysclk,
.set_fmt = wm8993_set_dai_fmt,
@@ -1402,6 +1547,7 @@ static struct snd_soc_dai_driver wm8993_dai = {
.channels_max = 2,
.rates = WM8993_RATES,
.formats = WM8993_FORMATS,
+ .sig_bits = 24,
},
.capture = {
.stream_name = "Capture",
@@ -1409,6 +1555,7 @@ static struct snd_soc_dai_driver wm8993_dai = {
.channels_max = 2,
.rates = WM8993_RATES,
.formats = WM8993_FORMATS,
+ .sig_bits = 24,
},
.ops = &wm8993_ops,
.symmetric_rates = 1,
@@ -1418,49 +1565,20 @@ static int wm8993_probe(struct snd_soc_codec *codec)
{
struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
struct snd_soc_dapm_context *dapm = &codec->dapm;
- int ret, i, val;
+ int ret;
wm8993->hubs_data.hp_startup_mode = 1;
wm8993->hubs_data.dcs_codes_l = -2;
wm8993->hubs_data.dcs_codes_r = -2;
wm8993->hubs_data.series_startup = 1;
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
+ codec->control_data = wm8993->regmap;
+ ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
}
- for (i = 0; i < ARRAY_SIZE(wm8993->supplies); i++)
- wm8993->supplies[i].supply = wm8993_supply_names[i];
-
- ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8993->supplies),
- wm8993->supplies);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
- return ret;
- }
-
- ret = regulator_bulk_enable(ARRAY_SIZE(wm8993->supplies),
- wm8993->supplies);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
- goto err_get;
- }
-
- val = snd_soc_read(codec, WM8993_SOFTWARE_RESET);
- if (val != wm8993_reg_defaults[WM8993_SOFTWARE_RESET]) {
- dev_err(codec->dev, "Invalid ID register value %x\n", val);
- ret = -EINVAL;
- goto err_enable;
- }
-
- ret = snd_soc_write(codec, WM8993_SOFTWARE_RESET, 0xffff);
- if (ret != 0)
- goto err_enable;
-
- codec->cache_only = 1;
-
/* By default we're using the output mixers */
wm8993->class_w_users = 2;
@@ -1489,15 +1607,15 @@ static int wm8993_probe(struct snd_soc_codec *codec)
ret = wm8993_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
if (ret != 0)
- goto err_enable;
+ return ret;
- snd_soc_add_controls(codec, wm8993_snd_controls,
+ snd_soc_add_codec_controls(codec, wm8993_snd_controls,
ARRAY_SIZE(wm8993_snd_controls));
if (wm8993->pdata.num_retune_configs != 0) {
dev_dbg(codec->dev, "Using ReTune Mobile\n");
} else {
dev_dbg(codec->dev, "No ReTune Mobile, using normal EQ\n");
- snd_soc_add_controls(codec, wm8993_eq_controls,
+ snd_soc_add_codec_controls(codec, wm8993_eq_controls,
ARRAY_SIZE(wm8993_eq_controls));
}
@@ -1509,13 +1627,14 @@ static int wm8993_probe(struct snd_soc_codec *codec)
wm_hubs_add_analogue_routes(codec, wm8993->pdata.lineout1_diff,
wm8993->pdata.lineout2_diff);
+ /* If the line outputs are differential then we aren't presenting
+ * VMID as an output and can disable it.
+ */
+ if (wm8993->pdata.lineout1_diff && wm8993->pdata.lineout2_diff)
+ codec->dapm.idle_bias_off = 1;
+
return 0;
-err_enable:
- regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
-err_get:
- regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
- return ret;
}
static int wm8993_remove(struct snd_soc_codec *codec)
@@ -1578,41 +1697,149 @@ static int wm8993_resume(struct snd_soc_codec *codec)
#define wm8993_resume NULL
#endif
+/* Tune DC servo configuration */
+static struct reg_default wm8993_regmap_patch[] = {
+ { 0x44, 3 },
+ { 0x56, 3 },
+ { 0x44, 0 },
+};
+
+static const struct regmap_config wm8993_regmap = {
+ .reg_bits = 8,
+ .val_bits = 16,
+
+ .max_register = WM8993_MAX_REGISTER,
+ .volatile_reg = wm8993_volatile,
+ .readable_reg = wm8993_readable,
+
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = wm8993_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8993_reg_defaults),
+};
+
static struct snd_soc_codec_driver soc_codec_dev_wm8993 = {
.probe = wm8993_probe,
.remove = wm8993_remove,
.suspend = wm8993_suspend,
.resume = wm8993_resume,
.set_bias_level = wm8993_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm8993_reg_defaults),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm8993_reg_defaults,
- .volatile_register = wm8993_volatile,
};
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static __devinit int wm8993_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm8993_priv *wm8993;
- int ret;
+ unsigned int reg;
+ int ret, i;
wm8993 = devm_kzalloc(&i2c->dev, sizeof(struct wm8993_priv),
GFP_KERNEL);
if (wm8993 == NULL)
return -ENOMEM;
+ wm8993->dev = &i2c->dev;
+ init_completion(&wm8993->fll_lock);
+
+ wm8993->regmap = regmap_init_i2c(i2c, &wm8993_regmap);
+ if (IS_ERR(wm8993->regmap)) {
+ ret = PTR_ERR(wm8993->regmap);
+ dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
+ return ret;
+ }
+
i2c_set_clientdata(i2c, wm8993);
+ for (i = 0; i < ARRAY_SIZE(wm8993->supplies); i++)
+ wm8993->supplies[i].supply = wm8993_supply_names[i];
+
+ ret = regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8993->supplies),
+ wm8993->supplies);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
+ goto err;
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8993->supplies),
+ wm8993->supplies);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
+ goto err_get;
+ }
+
+ ret = regmap_read(wm8993->regmap, WM8993_SOFTWARE_RESET, &reg);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret);
+ goto err_enable;
+ }
+
+ if (reg != 0x8993) {
+ dev_err(&i2c->dev, "Invalid ID register value %x\n", reg);
+ ret = -EINVAL;
+ goto err_enable;
+ }
+
+ ret = regmap_write(wm8993->regmap, WM8993_SOFTWARE_RESET, 0xffff);
+ if (ret != 0)
+ goto err_enable;
+
+ ret = regmap_register_patch(wm8993->regmap, wm8993_regmap_patch,
+ ARRAY_SIZE(wm8993_regmap_patch));
+ if (ret != 0)
+ dev_warn(wm8993->dev, "Failed to apply regmap patch: %d\n",
+ ret);
+
+ if (i2c->irq) {
+ /* Put GPIO1 into interrupt mode (only GPIO1 can output IRQ) */
+ ret = regmap_update_bits(wm8993->regmap, WM8993_GPIO1,
+ WM8993_GPIO1_PD |
+ WM8993_GPIO1_SEL_MASK, 7);
+ if (ret != 0)
+ goto err_enable;
+
+ ret = request_threaded_irq(i2c->irq, NULL, wm8993_irq,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ "wm8993", wm8993);
+ if (ret != 0)
+ goto err_enable;
+
+ }
+
+ regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
+
+ regcache_cache_only(wm8993->regmap, true);
+
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8993, &wm8993_dai, 1);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
+ goto err_irq;
+ }
+
+ return 0;
+
+err_irq:
+ if (i2c->irq)
+ free_irq(i2c->irq, wm8993);
+err_enable:
+ regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
+err_get:
+ regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
+err:
+ regmap_exit(wm8993->regmap);
return ret;
}
-static __devexit int wm8993_i2c_remove(struct i2c_client *client)
+static __devexit int wm8993_i2c_remove(struct i2c_client *i2c)
{
- snd_soc_unregister_codec(&client->dev);
- kfree(i2c_get_clientdata(client));
+ struct wm8993_priv *wm8993 = i2c_get_clientdata(i2c);
+
+ snd_soc_unregister_codec(&i2c->dev);
+ if (i2c->irq)
+ free_irq(i2c->irq, wm8993);
+ regmap_exit(wm8993->regmap);
+ regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
+ regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
+
return 0;
}
@@ -1631,30 +1858,8 @@ static struct i2c_driver wm8993_i2c_driver = {
.remove = __devexit_p(wm8993_i2c_remove),
.id_table = wm8993_i2c_id,
};
-#endif
-
-static int __init wm8993_modinit(void)
-{
- int ret = 0;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- ret = i2c_add_driver(&wm8993_i2c_driver);
- if (ret != 0) {
- pr_err("WM8993: Unable to register I2C driver: %d\n",
- ret);
- }
-#endif
- return ret;
-}
-module_init(wm8993_modinit);
-
-static void __exit wm8993_exit(void)
-{
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- i2c_del_driver(&wm8993_i2c_driver);
-#endif
-}
-module_exit(wm8993_exit);
+module_i2c_driver(wm8993_i2c_driver);
MODULE_DESCRIPTION("ASoC WM8993 driver");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");