ARM: tegra: Add enterprise audio support

Bug 862023

Change-Id: I0ba560f471088302d6197c564f02606a25f2a5db
Reviewed-on: http://git-master/r/51072
Tested-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>

Rebase-Id: Rfeed9cb02b08e8673c0b4784d2eedc672c3b4bfc

5 files changed, 157 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 2ea7f817d926..00c21565af6b 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -138,6 +138,7 @@ config MACH_CARDHU
 config MACH_TEGRA_ENTERPRISE
        bool "Enterprise board"
        depends on ARCH_TEGRA_3x_SOC
+       select MACH_HAS_SND_SOC_TEGRA_MAX98088 if SND_SOC
        help
          Support for NVIDIA Enterprise development platform
 
diff --git a/arch/arm/mach-tegra/board-enterprise-pinmux.c b/arch/arm/mach-tegra/board-enterprise-pinmux.c
index 0e3eaa9253f7..3d91cc76018b 100644
--- a/arch/arm/mach-tegra/board-enterprise-pinmux.c
+++ b/arch/arm/mach-tegra/board-enterprise-pinmux.c
@@ -400,6 +400,10 @@ static __initdata struct tegra_pingroup_config enterprise_unused_pinmux[] = {
 	DEFAULT_PINMUX(SPI2_MISO,       SPI2,            PULL_DOWN,    TRISTATE,  OUTPUT),
 };
 
+static struct tegra_gpio_table gpio_table[] = {
+	{ .gpio = TEGRA_GPIO_HP_DET,		.enable = true	},
+};
+
 struct pin_info_low_power_mode {
 	char name[16];
 	int gpio_nr;
@@ -515,6 +519,7 @@ int __init enterprise_pinmux_init(void)
 	tegra_pinmux_config_table(enterprise_unused_pinmux,
 				ARRAY_SIZE(enterprise_unused_pinmux));
 
+	tegra_gpio_config(gpio_table, ARRAY_SIZE(gpio_table));
 	enterprise_set_unused_pin_gpio(enterprise_unused_gpio_pins,
 			ARRAY_SIZE(enterprise_unused_gpio_pins));
 	return 0;
diff --git a/arch/arm/mach-tegra/board-enterprise.c b/arch/arm/mach-tegra/board-enterprise.c
index 19137b2350fc..310fd97629db 100644
--- a/arch/arm/mach-tegra/board-enterprise.c
+++ b/arch/arm/mach-tegra/board-enterprise.c
@@ -37,6 +37,8 @@
 #include <linux/fsl_devices.h>
 #include <linux/i2c/atmel_mxt_ts.h>
 
+#include <sound/max98088.h>
+
 #include <mach/clk.h>
 #include <mach/iomap.h>
 #include <mach/irqs.h>
@@ -46,6 +48,8 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <mach/usb_phy.h>
+#include <mach/i2s.h>
+#include <mach/tegra_max98088_pdata.h>
 
 #include "board.h"
 #include "clock.h"
@@ -175,6 +179,7 @@ static __initdata struct tegra_clk_init_table enterprise_clk_init_table[] = {
 	{ "blink",	"clk_32k",	32768,		true},
 	{ "pll_a",	NULL,		564480000,	false},
 	{ "pll_a_out0",	NULL,		11289600,	false},
+	{ "i2s0",	"pll_a_out0",	0,		false},
 	{ NULL,		NULL,		0,		0},
 };
 
@@ -224,6 +229,104 @@ static struct tegra_i2c_platform_data enterprise_i2c5_platform_data = {
 	.arb_recovery = arb_lost_recovery,
 };
 
+/* Equalizer filter coefs generated from the MAXIM MAX98088
+ * evkit software tool */
+static struct max98088_eq_cfg max98088_eq_cfg[] = {
+	{
+		.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},
+	},
+	{
+		.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 max98088_pdata enterprise_max98088_pdata = {
+	/* equalizer configuration */
+	.eq_cfg = max98088_eq_cfg,
+	.eq_cfgcnt = ARRAY_SIZE(max98088_eq_cfg),
+
+	/* microphone configuration */
+	.digmic_left_mode = 1,
+	.digmic_right_mode = 1,
+
+	/* receiver output configuration */
+	.receiver_mode = 0,	/* 0 = amplifier, 1 = line output */
+};
+
+
+static struct i2c_board_info __initdata max98088_board_info = {
+	I2C_BOARD_INFO("max98088", 0x10),
+	.platform_data = &enterprise_max98088_pdata,
+	.irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_HP_DET),
+};
+
 static void enterprise_i2c_init(void)
 {
 	tegra_i2c_device1.dev.platform_data = &enterprise_i2c1_platform_data;
@@ -237,6 +340,8 @@ static void enterprise_i2c_init(void)
 	platform_device_register(&tegra_i2c_device3);
 	platform_device_register(&tegra_i2c_device2);
 	platform_device_register(&tegra_i2c_device1);
+
+	i2c_register_board_info(0, &max98088_board_info, 1);
 }
 
 static struct platform_device *enterprise_uart_devices[] __initdata = {
@@ -344,6 +449,22 @@ static struct platform_device tegra_camera = {
 	.id = -1,
 };
 
+static struct tegra_max98088_platform_data enterprise_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 enterprise_audio_device = {
+	.name	= "tegra-snd-max98088",
+	.id	= 0,
+	.dev	= {
+		.platform_data  = &enterprise_audio_pdata,
+	},
+};
+
 static struct platform_device *enterprise_devices[] __initdata = {
 	&tegra_pmu_device,
 	&tegra_rtc_device,
@@ -357,6 +478,10 @@ static struct platform_device *enterprise_devices[] __initdata = {
 	&tegra_wdt_device,
 	&tegra_avp_device,
 	&tegra_camera,
+	&tegra_ahub_device,
+	&tegra_i2s_device0,
+	&tegra_pcm_device,
+	&enterprise_audio_device,
 	&tegra_spi_device4,
 #if defined(CONFIG_CRYPTO_DEV_TEGRA_SE)
 	&tegra_se_device,
diff --git a/arch/arm/mach-tegra/board-enterprise.h b/arch/arm/mach-tegra/board-enterprise.h
index 16454052aa6d..0dc82eb6c2ed 100644
--- a/arch/arm/mach-tegra/board-enterprise.h
+++ b/arch/arm/mach-tegra/board-enterprise.h
@@ -77,6 +77,9 @@ void __init enterprise_tsensor_init(void);
 #define CAM_FLASH_MAX_TORCH_AMP	7
 #define CAM_FLASH_MAX_FLASH_AMP	7
 
+/* Audio-related GPIOs */
+#define TEGRA_GPIO_HP_DET	TEGRA_GPIO_PW3
+
 #define BOARD_1205		(0x0C05)
 #define BOARD_E1197		(0x0B61)
 #define ENTERPRISE_FAB_A01	(0x01)
diff --git a/arch/arm/mach-tegra/include/mach/tegra_max98088_pdata.h b/arch/arm/mach-tegra/include/mach/tegra_max98088_pdata.h
new file mode 100644
index 000000000000..3b4c7b600639
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/tegra_max98088_pdata.h
@@ -0,0 +1,23 @@
+/*
+ * arch/arm/mach-tegra/include/mach/tegra_max98088_pdata.h
+ *
+ * Copyright 2011 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.
+ *
+ */
+
+struct tegra_max98088_platform_data {
+	int gpio_spkr_en;
+	int gpio_hp_det;
+	int gpio_hp_mute;
+	int gpio_int_mic_en;
+	int gpio_ext_mic_en;
+};