arm: tegra: cardhu: add support for max98095

add support for maxim 98095 audio codec

Change-Id: I112130341363e18986158cd94a981a60a80fb0d0
Reviewed-on: http://git-master/r/75956
Signed-off-by: Ravindra Lokhande <rlokhande@nvidia.com>
Reviewed-on: http://git-master/r/85485
Reviewed-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: Scott Peterson <speterson@nvidia.com>

3 files changed, 173 insertions, 28 deletions

diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 124c5f5c1c53..30d1a105bb18 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -144,6 +144,7 @@ config MACH_CARDHU
        depends on ARCH_TEGRA_3x_SOC
        select MACH_HAS_SND_SOC_TEGRA_WM8903 if SND_SOC
        select MACH_HAS_SND_SOC_TEGRA_TLV320AIC326X if SND_SOC
+       select MACH_HAS_SND_SOC_TEGRA_MAX98095 if SND_SOC
        help
          Support for NVIDIA Cardhu development platform
 
diff --git a/arch/arm/mach-tegra/board-cardhu.c b/arch/arm/mach-tegra/board-cardhu.c
index 8834c3e3c9d8..763e66ae3fe6 100644
--- a/arch/arm/mach-tegra/board-cardhu.c
+++ b/arch/arm/mach-tegra/board-cardhu.c
@@ -41,6 +41,7 @@
 #include <linux/nfc/pn544.h>
 
 #include <sound/wm8903.h>
+#include <sound/max98095.h>
 #include <media/tegra_dtv.h>
 
 #include <mach/clk.h>
@@ -50,8 +51,8 @@
 #include <mach/iomap.h>
 #include <mach/io.h>
 #include <mach/i2s.h>
+#include <mach/tegra_asoc_pdata.h>
 #include <mach/tegra_wm8903_pdata.h>
-#include <mach/tegra_aic326x_pdata.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <mach/usb_phy.h>
@@ -284,25 +285,113 @@ static struct wm8903_platform_data cardhu_wm8903_pdata = {
 	},
 };
 
-static struct wm8903_platform_data cardhu_aic3262_pdata = {
-        .irq_active_low = 0,
-        .micdet_cfg = 0,
-        .micdet_delay = 100,
-};
-
-static struct i2c_board_info __initdata cardhu_board_info[] = {
+/* Equalizer filter coefs generated from the MAXIM MAX98095
+ * evkit software tool */
+static struct max98095_eq_cfg max98095_eq_cfg[] = {
 	{
-		I2C_BOARD_INFO("wm8903", 0x1a),
-		.platform_data = &cardhu_wm8903_pdata,
-		.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
+		.name = "FLAT",
+		.rate = 44100,
+		.band1 = {0x2000, 0xC002, 0x4000, 0x00E9, 0x0000},
+		.band2 = {0x2000, 0xC00F, 0x4000, 0x02BC, 0x0000},
+		.band3 = {0x2000, 0xC0A7, 0x4000, 0x0916, 0x0000},
+		.band4 = {0x2000, 0xC5C2, 0x4000, 0x1A87, 0x0000},
+		.band5 = {0x2000, 0xF6B0, 0x4000, 0x3F51, 0x0000},
 	},
 	{
-		I2C_BOARD_INFO("aic3262-codec", 0x18),
-		.platform_data=&cardhu_aic3262_pdata,
-		.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
+		.name = "LOWPASS1K",
+		.rate = 44100,
+		.band1 = {0x205D, 0xC001, 0x3FEF, 0x002E, 0x02E0},
+		.band2 = {0x5B9A, 0xC093, 0x3AB2, 0x088B, 0x1981},
+		.band3 = {0x0D22, 0xC170, 0x26EA, 0x0D79, 0x32CF},
+		.band4 = {0x0894, 0xC612, 0x01B3, 0x1B34, 0x3FFA},
+		.band5 = {0x0815, 0x3FFF, 0xCF78, 0x0000, 0x29B7},
+	},
+	{ /* BASS=-12dB, TREBLE=+9dB, Fc=5KHz */
+		.name = "HIBOOST",
+		.rate = 44100,
+		.band1 = {0x0815, 0xC001, 0x3AA4, 0x0003, 0x19A2},
+		.band2 = {0x0815, 0xC103, 0x092F, 0x0B55, 0x3F56},
+		.band3 = {0x0E0A, 0xC306, 0x1E5C, 0x136E, 0x3856},
+		.band4 = {0x2459, 0xF665, 0x0CAA, 0x3F46, 0x3EBB},
+		.band5 = {0x5BBB, 0x3FFF, 0xCEB0, 0x0000, 0x28CA},
+	},
+	{ /* BASS=12dB, TREBLE=+12dB */
+		.name = "LOUD12DB",
+		.rate = 44100,
+		.band1 = {0x7FC1, 0xC001, 0x3EE8, 0x0020, 0x0BC7},
+		.band2 = {0x51E9, 0xC016, 0x3C7C, 0x033F, 0x14E9},
+		.band3 = {0x1745, 0xC12C, 0x1680, 0x0C2F, 0x3BE9},
+		.band4 = {0x4536, 0xD7E2, 0x0ED4, 0x31DD, 0x3E42},
+		.band5 = {0x7FEF, 0x3FFF, 0x0BAB, 0x0000, 0x3EED},
+	},
+	{
+		.name = "FLAT",
+		.rate = 16000,
+		.band1 = {0x2000, 0xC004, 0x4000, 0x0141, 0x0000},
+		.band2 = {0x2000, 0xC033, 0x4000, 0x0505, 0x0000},
+		.band3 = {0x2000, 0xC268, 0x4000, 0x115F, 0x0000},
+		.band4 = {0x2000, 0xDA62, 0x4000, 0x33C6, 0x0000},
+		.band5 = {0x2000, 0x4000, 0x4000, 0x0000, 0x0000},
+	},
+	{
+		.name = "LOWPASS1K",
+		.rate = 16000,
+		.band1 = {0x2000, 0xC004, 0x4000, 0x0141, 0x0000},
+		.band2 = {0x5BE8, 0xC3E0, 0x3307, 0x15ED, 0x26A0},
+		.band3 = {0x0F71, 0xD15A, 0x08B3, 0x2BD0, 0x3F67},
+		.band4 = {0x0815, 0x3FFF, 0xCF78, 0x0000, 0x29B7},
+		.band5 = {0x0815, 0x3FFF, 0xCF78, 0x0000, 0x29B7},
+	},
+	{ /* BASS=-12dB, TREBLE=+9dB, Fc=2KHz */
+		.name = "HIBOOST",
+		.rate = 16000,
+		.band1 = {0x0815, 0xC001, 0x3BD2, 0x0009, 0x16BF},
+		.band2 = {0x080E, 0xC17E, 0xF653, 0x0DBD, 0x3F43},
+		.band3 = {0x0F80, 0xDF45, 0xEE33, 0x36FE, 0x3D79},
+		.band4 = {0x590B, 0x3FF0, 0xE882, 0x02BD, 0x3B87},
+		.band5 = {0x4C87, 0xF3D0, 0x063F, 0x3ED4, 0x3FB1},
 	},
+	{ /* BASS=12dB, TREBLE=+12dB */
+		.name = "LOUD12DB",
+		.rate = 16000,
+		.band1 = {0x7FC1, 0xC001, 0x3D07, 0x0058, 0x1344},
+		.band2 = {0x2DA6, 0xC013, 0x3CF1, 0x02FF, 0x138B},
+		.band3 = {0x18F1, 0xC08E, 0x244D, 0x0863, 0x34B5},
+		.band4 = {0x2BE0, 0xF385, 0x04FD, 0x3EC5, 0x3FCE},
+		.band5 = {0x7FEF, 0x4000, 0x0BAB, 0x0000, 0x3EED},
+	},
+};
+
+static struct max98095_pdata cardhu_max98095_pdata = {
+	/* equalizer configuration */
+	.eq_cfg = max98095_eq_cfg,
+	.eq_cfgcnt = ARRAY_SIZE(max98095_eq_cfg),
+
+	/* Biquad filter response configuration */
+	.bq_cfg = NULL,
+	.bq_cfgcnt = 0,
+
+	/* microphone configuration */
+	.digmic_left_mode = 1,
+	.digmic_right_mode = 1,
+};
+
+static struct i2c_board_info __initdata cardhu_codec_wm8903_info = {
+	I2C_BOARD_INFO("wm8903", 0x1a),
+	.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
+	.platform_data = &cardhu_wm8903_pdata,
+};
+
+static struct i2c_board_info __initdata cardhu_codec_aic326x_info = {
+	I2C_BOARD_INFO("aic3262-codec", 0x18),
+	.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
 };
 
+static struct i2c_board_info __initdata cardhu_codec_max98095_info = {
+	I2C_BOARD_INFO("max98095", 0x10),
+	.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
+	.platform_data = &cardhu_max98095_pdata,
+};
 
 static void cardhu_i2c_init(void)
 {
@@ -318,7 +407,9 @@ static void cardhu_i2c_init(void)
 	platform_device_register(&tegra_i2c_device2);
 	platform_device_register(&tegra_i2c_device1);
 
-	i2c_register_board_info(4, cardhu_board_info, ARRAY_SIZE(cardhu_board_info));
+	i2c_register_board_info(4, &cardhu_codec_wm8903_info, 1);
+	i2c_register_board_info(4, &cardhu_codec_max98095_info, 1);
+	i2c_register_board_info(4, &cardhu_codec_aic326x_info, 1);
 
 	i2c_register_board_info(2, cardhu_i2c_bus3_board_info, 1);
 }
@@ -562,7 +653,7 @@ static struct platform_device tegra_rtc_device = {
 	.num_resources = ARRAY_SIZE(tegra_rtc_resources),
 };
 
-static struct tegra_wm8903_platform_data cardhu_audio_pdata = {
+static struct tegra_wm8903_platform_data cardhu_audio_wm8903_pdata = {
 	.gpio_spkr_en		= TEGRA_GPIO_SPKR_EN,
 	.gpio_hp_det		= TEGRA_GPIO_HP_DET,
 	.gpio_hp_mute		= -1,
@@ -570,27 +661,43 @@ static struct tegra_wm8903_platform_data cardhu_audio_pdata = {
 	.gpio_ext_mic_en	= -1,
 };
 
-static struct platform_device cardhu_audio_device = {
+static struct tegra_asoc_platform_data cardhu_audio_max98095_pdata = {
+	.gpio_spkr_en		= -1,
+	.gpio_hp_det		= TEGRA_GPIO_HP_DET,
+	.gpio_hp_mute		= -1,
+	.gpio_int_mic_en	= -1,
+	.gpio_ext_mic_en	= -1,
+};
+
+static struct platform_device cardhu_audio_wm8903_device = {
 	.name	= "tegra-snd-wm8903",
 	.id	= 0,
 	.dev	= {
-		.platform_data  = &cardhu_audio_pdata,
+		.platform_data = &cardhu_audio_wm8903_pdata,
 	},
 };
 
-static struct tegra_aic326x_platform_data cardhu_aic326x_audio_pdata = {
-        .gpio_spkr_en           = -1,
-        .gpio_hp_det            = TEGRA_GPIO_HP_DET,
-        .gpio_hp_mute           = -1,
-        .gpio_int_mic_en        = -1,
-        .gpio_ext_mic_en        = -1,
+static struct platform_device cardhu_audio_max98095_device = {
+	.name	= "tegra-snd-max98095",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &cardhu_audio_max98095_pdata,
+	},
+};
+
+static struct tegra_asoc_platform_data cardhu_audio_aic326x_pdata = {
+	.gpio_spkr_en		= -1,
+	.gpio_hp_det		= TEGRA_GPIO_HP_DET,
+	.gpio_hp_mute		= -1,
+	.gpio_int_mic_en	= -1,
+	.gpio_ext_mic_en	= -1,
 };
 
-static struct platform_device cardhu_aic326x_audio_device = {
+static struct platform_device cardhu_audio_aic326x_device = {
 	.name	= "tegra-snd-aic326x",
 	.id	= 0,
 	.dev	= {
-		.platform_data  = &cardhu_aic326x_audio_pdata,
+		.platform_data  = &cardhu_audio_aic326x_pdata,
 	},
 };
 
@@ -622,8 +729,9 @@ static struct platform_device *cardhu_devices[] __initdata = {
 	&baseband_dit_device,
 	&cardhu_bcm4329_rfkill_device,
 	&tegra_pcm_device,
-	&cardhu_audio_device,
-	&cardhu_aic326x_audio_device,
+	&cardhu_audio_wm8903_device,
+	&cardhu_audio_max98095_device,
+	&cardhu_audio_aic326x_device,
 	&tegra_hda_device,
 #if defined(CONFIG_CRYPTO_DEV_TEGRA_AES)
 	&tegra_aes_device,
diff --git a/arch/arm/mach-tegra/include/mach/tegra_asoc_pdata.h b/arch/arm/mach-tegra/include/mach/tegra_asoc_pdata.h
new file mode 100644
index 000000000000..34eb2f4fc372
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/tegra_asoc_pdata.h
@@ -0,0 +1,36 @@
+/*
+ * arch/arm/mach-tegra/include/mach/tegra_asoc_pdata.h
+ *
+ * Copyright 2012 NVIDIA, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#define	HIFI_CODEC		0
+#define	BASEBAND		1
+#define	BT_SCO			2
+#define	NUM_I2S_DEVICES		3
+
+struct baseband_config {
+	int rate;
+	int channels;
+};
+
+struct tegra_asoc_platform_data {
+	int gpio_spkr_en;
+	int gpio_hp_det;
+	int gpio_hp_mute;
+	int gpio_int_mic_en;
+	int gpio_ext_mic_en;
+	unsigned int debounce_time_hp;
+	int audio_port_id[NUM_I2S_DEVICES];
+	struct baseband_config baseband_param;
+};