Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 144 insertions, 128 deletions

diff --git a/sound/soc/codecs/wm9090.c b/sound/soc/codecs/wm9090.c
index 41ebe0dce772..4b263b6edf13 100644
--- a/sound/soc/codecs/wm9090.c
+++ b/sound/soc/codecs/wm9090.c
@@ -25,6 +25,7 @@
 #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>
@@ -33,116 +34,51 @@
 
 #include "wm9090.h"
 
-static const u16 wm9090_reg_defaults[] = {
-	0x9093,     /* R0   - Software Reset */
-	0x0006,     /* R1   - Power Management (1) */
-	0x6000,     /* R2   - Power Management (2) */
-	0x0000,     /* R3   - Power Management (3) */
-	0x0000,     /* R4 */
-	0x0000,     /* R5 */
-	0x01C0,     /* R6   - Clocking 1 */
-	0x0000,     /* R7 */
-	0x0000,     /* R8 */
-	0x0000,     /* R9 */
-	0x0000,     /* R10 */
-	0x0000,     /* R11 */
-	0x0000,     /* R12 */
-	0x0000,     /* R13 */
-	0x0000,     /* R14 */
-	0x0000,     /* R15 */
-	0x0000,     /* R16 */
-	0x0000,     /* R17 */
-	0x0000,     /* R18 */
-	0x0000,     /* R19 */
-	0x0000,     /* R20 */
-	0x0000,     /* R21 */
-	0x0003,     /* R22  - IN1 Line Control */
-	0x0003,     /* R23  - IN2 Line Control */
-	0x0083,     /* R24  - IN1 Line Input A Volume */
-	0x0083,     /* R25  - IN1  Line Input B Volume */
-	0x0083,     /* R26  - IN2 Line Input A Volume */
-	0x0083,     /* R27  - IN2 Line Input B Volume */
-	0x002D,     /* R28  - Left Output Volume */
-	0x002D,     /* R29  - Right Output Volume */
-	0x0000,     /* R30 */
-	0x0000,     /* R31 */
-	0x0000,     /* R32 */
-	0x0000,     /* R33 */
-	0x0100,     /* R34  - SPKMIXL Attenuation */
-	0x0000,     /* R35 */
-	0x0010,     /* R36  - SPKOUT Mixers */
-	0x0140,     /* R37  - ClassD3 */
-	0x0039,     /* R38  - Speaker Volume Left */
-	0x0000,     /* R39 */
-	0x0000,     /* R40 */
-	0x0000,     /* R41 */
-	0x0000,     /* R42 */
-	0x0000,     /* R43 */
-	0x0000,     /* R44 */
-	0x0000,     /* R45  - Output Mixer1 */
-	0x0000,     /* R46  - Output Mixer2 */
-	0x0100,     /* R47  - Output Mixer3 */
-	0x0100,     /* R48  - Output Mixer4 */
-	0x0000,     /* R49 */
-	0x0000,     /* R50 */
-	0x0000,     /* R51 */
-	0x0000,     /* R52 */
-	0x0000,     /* R53 */
-	0x0000,     /* R54  - Speaker Mixer */
-	0x0000,     /* R55 */
-	0x0000,     /* R56 */
-	0x000D,     /* R57  - AntiPOP2 */
-	0x0000,     /* R58 */
-	0x0000,     /* R59 */
-	0x0000,     /* R60 */
-	0x0000,     /* R61 */
-	0x0000,     /* R62 */
-	0x0000,     /* R63 */
-	0x0000,     /* R64 */
-	0x0000,     /* R65 */
-	0x0000,     /* R66 */
-	0x0000,     /* R67 */
-	0x0000,     /* R68 */
-	0x0000,     /* R69 */
-	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 */
-	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 */
-	0x8640,     /* R98  - AGC Control 0 */
-	0xC000,     /* R99  - AGC Control 1 */
-	0x0200,     /* R100 - AGC Control 2 */
+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 int wm9090_volatile(struct snd_soc_codec *codec, unsigned int reg)
+static bool wm9090_volatile(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
 	case WM9090_SOFTWARE_RESET:
@@ -150,10 +86,60 @@ static int wm9090_volatile(struct snd_soc_codec *codec, unsigned int reg)
 	case WM9090_DC_SERVO_READBACK_0:
 	case WM9090_DC_SERVO_READBACK_1:
 	case WM9090_DC_SERVO_READBACK_2:
-		return 1;
+		return true;
 
 	default:
-		return 0;
+		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;
 	}
 }
 
@@ -447,7 +433,7 @@ static int wm9090_add_controls(struct snd_soc_codec *codec)
 
 	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
 
-	snd_soc_add_controls(codec, wm9090_controls,
+	snd_soc_add_codec_controls(codec, wm9090_controls,
 			     ARRAY_SIZE(wm9090_controls));
 
 	if (wm9090->pdata.lin1_diff) {
@@ -456,7 +442,7 @@ static int wm9090_add_controls(struct snd_soc_codec *codec)
 	} else {
 		snd_soc_dapm_add_routes(dapm, audio_map_in1_se,
 					ARRAY_SIZE(audio_map_in1_se));
-		snd_soc_add_controls(codec, wm9090_in1_se_controls,
+		snd_soc_add_codec_controls(codec, wm9090_in1_se_controls,
 				     ARRAY_SIZE(wm9090_in1_se_controls));
 	}
 
@@ -466,7 +452,7 @@ static int wm9090_add_controls(struct snd_soc_codec *codec)
 	} else {
 		snd_soc_dapm_add_routes(dapm, audio_map_in2_se,
 					ARRAY_SIZE(audio_map_in2_se));
-		snd_soc_add_controls(codec, wm9090_in2_se_controls,
+		snd_soc_add_codec_controls(codec, wm9090_in2_se_controls,
 				     ARRAY_SIZE(wm9090_in2_se_controls));
 	}
 
@@ -492,8 +478,7 @@ static int wm9090_add_controls(struct snd_soc_codec *codec)
 static int wm9090_set_bias_level(struct snd_soc_codec *codec,
 				 enum snd_soc_bias_level level)
 {
-	u16 *reg_cache = codec->reg_cache;
-	int i, ret;
+	struct wm9090_priv *wm9090 = snd_soc_codec_get_drvdata(codec);
 
 	switch (level) {
 	case SND_SOC_BIAS_ON:
@@ -513,7 +498,7 @@ static int wm9090_set_bias_level(struct snd_soc_codec *codec,
 	case SND_SOC_BIAS_STANDBY:
 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
 			/* Restore the register cache */
-			snd_soc_cache_sync(codec);
+			regcache_sync(wm9090->regmap);
 		}
 
 		/* We keep VMID off during standby since the combination of
@@ -537,26 +522,16 @@ static int wm9090_set_bias_level(struct snd_soc_codec *codec,
 
 static int wm9090_probe(struct snd_soc_codec *codec)
 {
+	struct wm9090_priv *wm9090 = dev_get_drvdata(codec->dev);
 	int ret;
 
-	ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
+	codec->control_data = wm9090->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;
 	}
 
-	ret = snd_soc_read(codec, WM9090_SOFTWARE_RESET);
-	if (ret < 0)
-		return ret;
-	if (ret != wm9090_reg_defaults[WM9090_SOFTWARE_RESET]) {
-		dev_err(codec->dev, "Device is not a WM9090, ID=%x\n", ret);
-		return -EINVAL;
-	}
-
-	ret = snd_soc_write(codec, WM9090_SOFTWARE_RESET, 0);
-	if (ret < 0)
-		return ret;
-
 	/* Configure some defaults; they will be written out when we
 	 * bring the bias up.
 	 */
@@ -624,16 +599,27 @@ static struct snd_soc_codec_driver soc_codec_dev_wm9090 = {
 	.suspend = 	wm9090_suspend,
 	.resume =	wm9090_resume,
 	.set_bias_level = wm9090_set_bias_level,
-	.reg_cache_size = (WM9090_MAX_REGISTER + 1),
-	.reg_word_size = sizeof(u16),
-	.reg_cache_default = wm9090_reg_defaults,
-	.volatile_register = wm9090_volatile,
 };
 
+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);
@@ -642,6 +628,26 @@ static int wm9090_i2c_probe(struct i2c_client *i2c,
 		return -ENOMEM;
 	}
 
+	wm9090->regmap = 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)
+		goto err;
+	if (reg != 0x9093) {
+		dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n", reg);
+		ret = -ENODEV;
+		goto err;
+	}
+
+	ret = regmap_write(wm9090->regmap, WM9090_SOFTWARE_RESET, 0);
+	if (ret < 0)
+		goto err;
+
 	if (i2c->dev.platform_data)
 		memcpy(&wm9090->pdata, i2c->dev.platform_data,
 		       sizeof(wm9090->pdata));
@@ -650,6 +656,15 @@ static int wm9090_i2c_probe(struct i2c_client *i2c,
 
 	ret =  snd_soc_register_codec(&i2c->dev,
 			&soc_codec_dev_wm9090,  NULL, 0);
+	if (ret != 0) {
+		dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
+		goto err;
+	}
+
+	return 0;
+
+err:
+	regmap_exit(wm9090->regmap);
 	return ret;
 }
 
@@ -658,6 +673,7 @@ static int __devexit wm9090_i2c_remove(struct i2c_client *i2c)
 	struct wm9090_priv *wm9090 = i2c_get_clientdata(i2c);
 
 	snd_soc_unregister_codec(&i2c->dev);
+	regmap_exit(wm9090->regmap);
 
 	return 0;
 }