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From 1db90ec599e116593cc1844ccac021707b45c5cb Mon Sep 17 00:00:00 2001
From: allocom <sparky-dev@allo.com>
Date: Tue, 24 Apr 2018 11:19:03 +0530
Subject: [PATCH 283/454] Driver for Allo Katana DAC

---
 .../allo-katana-dac-audio-overlay.dts         |  27 +-
 sound/soc/bcm/Kconfig                         |   4 +-
 sound/soc/bcm/Makefile                        |   4 +-
 sound/soc/bcm/allo-katana-codec.c             | 363 ++++++++++++++++++
 sound/soc/bcm/allo-katana-dac.c               | 102 -----
 sound/soc/codecs/Kconfig                      |  10 -
 sound/soc/codecs/Makefile                     |   4 -
 sound/soc/codecs/sabre-ess-i2c.c              |  69 ----
 sound/soc/codecs/sabre-ess.c                  | 300 ---------------
 sound/soc/codecs/sabre-ess.h                  |  62 ---
 10 files changed, 387 insertions(+), 558 deletions(-)
 create mode 100644 sound/soc/bcm/allo-katana-codec.c
 delete mode 100644 sound/soc/bcm/allo-katana-dac.c
 delete mode 100644 sound/soc/codecs/sabre-ess-i2c.c
 delete mode 100644 sound/soc/codecs/sabre-ess.c
 delete mode 100644 sound/soc/codecs/sabre-ess.h

--- a/arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts
+++ b/arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts
@@ -1,7 +1,5 @@
 /*
  * Definitions for Allo Katana DAC boards
- *
- * NB. The Katana DAC board contains SABER DAC.
  */
 
 /dts-v1/;
@@ -13,7 +11,16 @@
        fragment@0 {
                target = <&i2s>;
                __overlay__ {
+                       #sound-dai-cells = <0>;
                        status = "okay";
+                       cpu_port: port {
+                               cpu_endpoint: endpoint {
+                                       remote-endpoint = <&codec_endpoint>;
+                                       bitclock-master = <&codec_endpoint>;
+                                       frame-master = <&codec_endpoint>;
+                                       dai-format = "i2s";
+                               };
+                       };
                };
        };
 
@@ -24,11 +31,15 @@
                        #size-cells = <0>;
                        status = "okay";
 
-                       sabre-ess@30 {
+                       allo-katana-codec@30 {
                                #sound-dai-cells = <0>;
-                               compatible = "saber,sabre-ess";
+                               compatible = "allo,allo-katana-codec";
                                reg = <0x30>;
-                               status = "okay";
+                               port {
+                                       codec_endpoint: endpoint {
+                                       remote-endpoint = <&cpu_endpoint>;
+                                       };
+                               };
                        };
                };
        };
@@ -36,11 +47,11 @@
        fragment@2 {
                target = <&sound>;
                katana_dac: __overlay__ {
-                       compatible = "allo,katana-dac";
-                       i2s-controller = <&i2s>;
+                       compatible = "audio-graph-card";
+                       label = "Allo Katana";
+                       dais = <&cpu_port>;
                        status = "okay";
                };
        };
-
 };
 
--- a/sound/soc/bcm/Kconfig
+++ b/sound/soc/bcm/Kconfig
@@ -178,7 +178,9 @@ config SND_BCM2708_SOC_ALLO_DIGIONE
 config SND_BCM2708_SOC_ALLO_KATANA_DAC
        tristate "Support for Allo Katana DAC"
        depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S
-       select SND_SOC_SABRE_ESS_I2C
+       depends on I2C
+       select REGMAP_I2C
+       select SND_AUDIO_GRAPH_CARD
        help
          Say Y or M if you want to add support for Allo Katana DAC.
 
--- a/sound/soc/bcm/Makefile
+++ b/sound/soc/bcm/Makefile
@@ -34,7 +34,7 @@ snd-soc-allo-boss-dac-objs := allo-boss-
 snd-soc-allo-piano-dac-objs := allo-piano-dac.o
 snd-soc-allo-piano-dac-plus-objs := allo-piano-dac-plus.o
 snd-soc-allo-digione-objs := allo-digione.o
-snd-soc-allo-katana-dac-objs := allo-katana-dac.o
+snd-soc-allo-katana-codec-objs := allo-katana-codec.o
 snd-soc-pisound-objs := pisound.o
 snd-soc-fe-pi-audio-objs := fe-pi-audio.o
 
@@ -61,6 +61,6 @@ obj-$(CONFIG_SND_BCM2708_SOC_ALLO_BOSS_D
 obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC) += snd-soc-allo-piano-dac.o
 obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS) += snd-soc-allo-piano-dac-plus.o
 obj-$(CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE) += snd-soc-allo-digione.o
-obj-$(CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC) += snd-soc-allo-katana-dac.o
+obj-$(CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC) += snd-soc-allo-katana-codec.o
 obj-$(CONFIG_SND_PISOUND) += snd-soc-pisound.o
 obj-$(CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO) += snd-soc-fe-pi-audio.o
--- /dev/null
+++ b/sound/soc/bcm/allo-katana-codec.c
@@ -0,0 +1,363 @@
+/*
+ * Driver for the ALLO KATANA CODEC
+ *
+ * Author: Jaikumar <jaikumar@cem-solutions.net>
+ *             Copyright 2018
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/kernel.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/gcd.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/pcm_params.h>
+#include <sound/tlv.h>
+#include <linux/i2c.h>
+
+
+#define KATANA_CODEC_CHIP_ID           0x30
+#define KATANA_CODEC_VIRT_BASE         0x100
+#define KATANA_CODEC_PAGE                      0
+
+#define KATANA_CODEC_CHIP_ID_REG       (KATANA_CODEC_VIRT_BASE + 0)
+#define KATANA_CODEC_RESET                     (KATANA_CODEC_VIRT_BASE + 1)
+#define KATANA_CODEC_VOLUME_1          (KATANA_CODEC_VIRT_BASE + 2)
+#define KATANA_CODEC_VOLUME_2          (KATANA_CODEC_VIRT_BASE + 3)
+#define KATANA_CODEC_MUTE                      (KATANA_CODEC_VIRT_BASE + 4)
+#define KATANA_CODEC_DSP_PROGRAM       (KATANA_CODEC_VIRT_BASE + 5)
+#define KATANA_CODEC_DEEMPHASIS                (KATANA_CODEC_VIRT_BASE + 6)
+#define KATANA_CODEC_DOP                       (KATANA_CODEC_VIRT_BASE + 7)
+#define KATANA_CODEC_FORMAT                    (KATANA_CODEC_VIRT_BASE + 8)
+#define KATANA_CODEC_COMMAND           (KATANA_CODEC_VIRT_BASE + 9)
+#define KATANA_CODEC_MAX_REGISTER      (KATANA_CODEC_VIRT_BASE + 9)
+
+#define KATANA_CODEC_FMT                       0xff
+#define KATANA_CODEC_CHAN_MONO         0x00
+#define KATANA_CODEC_CHAN_STEREO       0x80
+#define KATANA_CODEC_ALEN_16           0x10
+#define KATANA_CODEC_ALEN_24           0x20
+#define KATANA_CODEC_ALEN_32           0x30
+#define KATANA_CODEC_RATE_11025                0x01
+#define KATANA_CODEC_RATE_22050                0x02
+#define KATANA_CODEC_RATE_32000                0x03
+#define KATANA_CODEC_RATE_44100                0x04
+#define KATANA_CODEC_RATE_48000                0x05
+#define KATANA_CODEC_RATE_88200                0x06
+#define KATANA_CODEC_RATE_96000                0x07
+#define KATANA_CODEC_RATE_176400       0x08
+#define KATANA_CODEC_RATE_192000       0x09
+#define KATANA_CODEC_RATE_352800       0x0a
+#define KATANA_CODEC_RATE_384000       0x0b
+
+
+struct katana_codec_priv {
+       struct regmap *regmap;
+       int fmt;
+};
+
+static const struct reg_default katana_codec_reg_defaults[] = {
+       { KATANA_CODEC_RESET,           0x00 },
+       { KATANA_CODEC_VOLUME_1,        0xF0 },
+       { KATANA_CODEC_VOLUME_2,        0xF0 },
+       { KATANA_CODEC_MUTE,            0x00 },
+       { KATANA_CODEC_DSP_PROGRAM,     0x04 },
+       { KATANA_CODEC_DEEMPHASIS,      0x00 },
+       { KATANA_CODEC_DOP,                     0x01 },
+       { KATANA_CODEC_FORMAT,          0xb4 },
+};
+
+static const char * const katana_codec_dsp_program_texts[] = {
+       "Linear Phase Fast Roll-off Filter",
+       "Linear Phase Slow Roll-off Filter",
+       "Minimum Phase Fast Roll-off Filter",
+       "Minimum Phase Slow Roll-off Filter",
+       "Apodizing Fast Roll-off Filter",
+       "Corrected Minimum Phase Fast Roll-off Filter",
+       "Brick Wall Filter",
+};
+
+static const unsigned int katana_codec_dsp_program_values[] = {
+       0,
+       1,
+       2,
+       3,
+       4,
+       6,
+       7,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(katana_codec_dsp_program,
+                                 KATANA_CODEC_DSP_PROGRAM, 0, 0x07,
+                                 katana_codec_dsp_program_texts,
+                                 katana_codec_dsp_program_values);
+
+static const char * const katana_codec_deemphasis_texts[] = {
+       "Bypass",
+       "32kHz",
+       "44.1kHz",
+       "48kHz",
+};
+
+static const unsigned int katana_codec_deemphasis_values[] = {
+       0,
+       1,
+       2,
+       3,
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(katana_codec_deemphasis,
+                                 KATANA_CODEC_DEEMPHASIS, 0, 0x03,
+                                 katana_codec_deemphasis_texts,
+                                 katana_codec_deemphasis_values);
+
+static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(master_tlv, -12700, 0);
+
+static const struct snd_kcontrol_new katana_codec_controls[] = {
+       SOC_DOUBLE_R_TLV("Master Playback Volume", KATANA_CODEC_VOLUME_1,
+                       KATANA_CODEC_VOLUME_2, 0, 255, 1, master_tlv),
+       SOC_DOUBLE("Master Playback Switch", KATANA_CODEC_MUTE, 0, 0, 1, 1),
+       SOC_ENUM("DSP Program Route", katana_codec_dsp_program),
+       SOC_ENUM("Deemphasis Route", katana_codec_deemphasis),
+       SOC_SINGLE("DoP Playback Switch", KATANA_CODEC_DOP, 0, 1, 1)
+};
+
+static bool katana_codec_readable_register(struct device *dev, unsigned int reg)
+{
+       switch (reg) {
+       case KATANA_CODEC_CHIP_ID_REG:
+               return true;
+       default:
+               return reg < 0xff;
+       }
+}
+
+static int katana_codec_hw_params(struct snd_pcm_substream *substream,
+                            struct snd_pcm_hw_params *params,
+                            struct snd_soc_dai *dai)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct katana_codec_priv *katana_codec = snd_soc_codec_get_drvdata(codec);
+       int fmt = 0;
+       int ret;
+
+       dev_dbg(codec->dev, "hw_params %u Hz, %u channels\n",
+                       params_rate(params),
+                       params_channels(params));
+
+       switch (katana_codec->fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+       case SND_SOC_DAIFMT_CBM_CFM: // master
+               if (params_channels(params) == 2)
+                       fmt = KATANA_CODEC_CHAN_STEREO;
+               else
+                       fmt = KATANA_CODEC_CHAN_MONO;
+
+               switch (params_width(params)) {
+               case 16:
+                       fmt |= KATANA_CODEC_ALEN_16;
+                       break;
+               case 24:
+                       fmt |= KATANA_CODEC_ALEN_24;
+                       break;
+               case 32:
+                       fmt |= KATANA_CODEC_ALEN_32;
+                       break;
+               default:
+                       dev_err(codec->dev, "Bad frame size: %d\n",
+                                       params_width(params));
+                       return -EINVAL;
+               }
+
+               switch (params_rate(params)) {
+               case 44100:
+                       fmt |= KATANA_CODEC_RATE_44100;
+                       break;
+               case 48000:
+                       fmt |= KATANA_CODEC_RATE_48000;
+                       break;
+               case 88200:
+                       fmt |= KATANA_CODEC_RATE_88200;
+                       break;
+               case 96000:
+                       fmt |= KATANA_CODEC_RATE_96000;
+                       break;
+               case 176400:
+                       fmt |= KATANA_CODEC_RATE_176400;
+                       break;
+               case 192000:
+                       fmt |= KATANA_CODEC_RATE_192000;
+                       break;
+               case 352800:
+                       fmt |= KATANA_CODEC_RATE_352800;
+                       break;
+               case 384000:
+                       fmt |= KATANA_CODEC_RATE_384000;
+                       break;
+               default:
+                       dev_err(codec->dev, "Bad sample rate: %d\n",
+                                       params_rate(params));
+                       return -EINVAL;
+               }
+
+               ret = regmap_write(katana_codec->regmap, KATANA_CODEC_FORMAT, fmt);
+               if (ret != 0) {
+                       dev_err(codec->dev, "Failed to set format: %d\n", ret);
+                       return ret;
+               }
+               break;
+
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static int katana_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct katana_codec_priv *katana_codec = snd_soc_codec_get_drvdata(codec);
+
+       katana_codec->fmt = fmt;
+
+       return 0;
+}
+
+static const struct snd_soc_dai_ops katana_codec_dai_ops = {
+       .hw_params = katana_codec_hw_params,
+       .set_fmt = katana_codec_set_fmt,
+};
+
+static struct snd_soc_dai_driver katana_codec_dai = {
+       .name = "allo-katana-codec",
+       .playback = {
+               .stream_name = "Playback",
+               .channels_min = 2,
+               .channels_max = 2,
+               .rates = SNDRV_PCM_RATE_CONTINUOUS,
+               .rate_min = 44100,
+               .rate_max = 384000,
+               .formats = SNDRV_PCM_FMTBIT_S16_LE |
+                       SNDRV_PCM_FMTBIT_S32_LE
+       },
+       .ops = &katana_codec_dai_ops,
+};
+
+static struct snd_soc_codec_driver katana_codec_codec_driver = {
+       .idle_bias_off = false,
+
+       .component_driver = {
+               .controls               = katana_codec_controls,
+               .num_controls   = ARRAY_SIZE(katana_codec_controls),
+       },
+};
+
+static const struct regmap_range_cfg katana_codec_range = {
+       .name = "Pages", .range_min = KATANA_CODEC_VIRT_BASE,
+       .range_max = KATANA_CODEC_MAX_REGISTER,
+       .selector_reg = KATANA_CODEC_PAGE,
+       .selector_mask = 0xff,
+       .window_start = 0, .window_len = 0x100,
+};
+
+const struct regmap_config katana_codec_regmap = {
+       .reg_bits = 8,
+       .val_bits = 8,
+
+       .ranges = &katana_codec_range,
+       .num_ranges = 1,
+
+       .max_register = KATANA_CODEC_MAX_REGISTER,
+       .readable_reg = katana_codec_readable_register,
+       .reg_defaults = katana_codec_reg_defaults,
+       .num_reg_defaults = ARRAY_SIZE(katana_codec_reg_defaults),
+       .cache_type = REGCACHE_RBTREE,
+};
+
+static int allo_katana_codec_probe(struct i2c_client *i2c,
+                            const struct i2c_device_id *id)
+{
+       struct regmap *regmap;
+       struct regmap_config config = katana_codec_regmap;
+       struct device *dev = &i2c->dev;
+       struct katana_codec_priv *katana_codec;
+       unsigned int chip_id = 0;
+       int ret;
+
+       regmap = devm_regmap_init_i2c(i2c, &config);
+       if (IS_ERR(regmap))
+               return PTR_ERR(regmap);
+
+       katana_codec = devm_kzalloc(dev, sizeof(struct katana_codec_priv),
+                                                               GFP_KERNEL);
+       if (!katana_codec)
+               return -ENOMEM;
+
+       dev_set_drvdata(dev, katana_codec);
+       katana_codec->regmap = regmap;
+
+       ret = regmap_read(regmap, KATANA_CODEC_CHIP_ID_REG, &chip_id);
+       if ((ret != 0) || (chip_id != KATANA_CODEC_CHIP_ID)) {
+               dev_err(dev, "Failed to read Chip or wrong Chip id: %d\n", ret);
+               return ret;
+       }
+       regmap_update_bits(regmap, KATANA_CODEC_RESET, 0x01, 0x01);
+       msleep(10);
+
+       ret = snd_soc_register_codec(dev, &katana_codec_codec_driver,
+                                   &katana_codec_dai, 1);
+       if (ret != 0) {
+               dev_err(dev, "failed to register codec: %d\n", ret);
+               return ret;
+       }
+
+       return 0;
+}
+
+static int allo_katana_codec_remove(struct i2c_client *i2c)
+{
+       snd_soc_unregister_codec(&i2c->dev);
+       return 0;
+}
+
+static const struct i2c_device_id allo_katana_codec_id[] = {
+       { "allo-katana-codec", },
+       { }
+};
+MODULE_DEVICE_TABLE(i2c, allo_katana_codec_id);
+
+static const struct of_device_id allo_katana_codec_of_match[] = {
+       { .compatible = "allo,allo-katana-codec", },
+       { }
+};
+MODULE_DEVICE_TABLE(of, allo_katana_codec_of_match);
+
+static struct i2c_driver allo_katana_codec_driver = {
+       .probe          = allo_katana_codec_probe,
+       .remove         = allo_katana_codec_remove,
+       .id_table       = allo_katana_codec_id,
+       .driver         = {
+               .name   = "allo-katana-codec",
+               .of_match_table = allo_katana_codec_of_match,
+       },
+};
+
+module_i2c_driver(allo_katana_codec_driver);
+
+MODULE_DESCRIPTION("ASoC Allo Katana Codec Driver");
+MODULE_AUTHOR("Jaikumar <jaikumar@cem-solutions.net>");
+MODULE_LICENSE("GPL v2");
+
--- a/sound/soc/bcm/allo-katana-dac.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * ASoC Driver for KATANA DAC
- *
- * Author:     Jaikumar <jaikumar@cem-solutions.net>
- *             Copyright 2018
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * 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.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-
-static struct snd_soc_dai_link snd_allo_katana_dac_dai[] = {
-{
-       .name           = "KATANA DAC",
-       .stream_name    = "KATANA DAC",
-       .cpu_dai_name   = "bcm2708-i2s.0",
-       .codec_dai_name = "sabre-ess",
-       .platform_name  = "bcm2708-i2s.0",
-       .codec_name     = "sabre-ess.1-0030",
-       .dai_fmt        = SND_SOC_DAIFMT_I2S |
-               SND_SOC_DAIFMT_NB_NF |
-               SND_SOC_DAIFMT_CBM_CFM,
-},
-};
-
-/* audio machine driver */
-static struct snd_soc_card snd_allo_katana_dac = {
-       .name         = "snd_allo_katana_dac",
-       .owner        = THIS_MODULE,
-       .dai_link     = snd_allo_katana_dac_dai,
-       .num_links    = ARRAY_SIZE(snd_allo_katana_dac_dai),
-};
-
-static int snd_allo_katana_dac_probe(struct platform_device *pdev)
-{
-       int ret = 0;
-
-       snd_allo_katana_dac.dev = &pdev->dev;
-
-       if (pdev->dev.of_node) {
-               struct device_node *i2s_node;
-               struct snd_soc_dai_link *dai = &snd_allo_katana_dac_dai[0];
-
-               i2s_node = of_parse_phandle(pdev->dev.of_node,
-                               "i2s-controller", 0);
-
-               if (i2s_node) {
-                       dai->cpu_dai_name = NULL;
-                       dai->cpu_of_node = i2s_node;
-                       dai->platform_name = NULL;
-                       dai->platform_of_node = i2s_node;
-               }
-       }
-
-       ret = snd_soc_register_card(&snd_allo_katana_dac);
-       if (ret && ret != -EPROBE_DEFER)
-               dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
-                                       ret);
-
-       return ret;
-}
-
-static int snd_allo_katana_dac_remove(struct platform_device *pdev)
-{
-       return snd_soc_unregister_card(&snd_allo_katana_dac);
-}
-
-static const struct of_device_id snd_allo_katana_dac_of_match[] = {
-       { .compatible = "allo,katana-dac", },
-       {},
-};
-MODULE_DEVICE_TABLE(of, snd_allo_katana_dac_of_match);
-
-static struct platform_driver snd_allo_katana_dac_driver = {
-       .driver = {
-               .name   = "snd-katana-dac",
-               .owner  = THIS_MODULE,
-               .of_match_table = snd_allo_katana_dac_of_match,
-       },
-       .probe          = snd_allo_katana_dac_probe,
-       .remove         = snd_allo_katana_dac_remove,
-};
-
-module_platform_driver(snd_allo_katana_dac_driver);
-
-MODULE_AUTHOR("Jaikumar <jaikumar@cem-solutions.net>");
-MODULE_DESCRIPTION("ALSA ASoC Machine Driver for Allo Katana DAC");
-MODULE_LICENSE("GPL v2");
-
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -77,7 +77,6 @@ config SND_SOC_ALL_CODECS
        select SND_SOC_ES8328_SPI if SPI_MASTER
        select SND_SOC_ES8328_I2C if I2C
        select SND_SOC_ES7134
-       select SND_SOC_SABRE_ESS_I2C if I2C
        select SND_SOC_GTM601
        select SND_SOC_HDAC_HDMI
        select SND_SOC_ICS43432
@@ -1187,13 +1186,4 @@ config SND_SOC_TPA6130A2
        tristate "Texas Instruments TPA6130A2 headphone amplifier"
        depends on I2C
 
-config SND_SOC_SABRE_ESS
-       tristate
-
-config SND_SOC_SABRE_ESS_I2C
-       tristate "Sabre SABRE ESS CODEC - I2C"
-       depends on I2C
-       select SND_SOC_SABRE_ESS
-       select REGMAP_I2C
-
 endmenu
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -71,8 +71,6 @@ snd-soc-es8316-objs := es8316.o
 snd-soc-es8328-objs := es8328.o
 snd-soc-es8328-i2c-objs := es8328-i2c.o
 snd-soc-es8328-spi-objs := es8328-spi.o
-snd-soc-sabre-ess-objs := sabre-ess.o
-snd-soc-sabre-ess-i2c-objs := sabre-ess-i2c.o
 snd-soc-gtm601-objs := gtm601.o
 snd-soc-hdac-hdmi-objs := hdac_hdmi.o
 snd-soc-ics43432-objs := ics43432.o
@@ -315,8 +313,6 @@ obj-$(CONFIG_SND_SOC_ES8316)    += snd-s
 obj-$(CONFIG_SND_SOC_ES8328)   += snd-soc-es8328.o
 obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o
 obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o
-obj-$(CONFIG_SND_SOC_SABRE_ESS) += snd-soc-sabre-ess.o
-obj-$(CONFIG_SND_SOC_SABRE_ESS_I2C) += snd-soc-sabre-ess-i2c.o
 obj-$(CONFIG_SND_SOC_GTM601)    += snd-soc-gtm601.o
 obj-$(CONFIG_SND_SOC_HDAC_HDMI) += snd-soc-hdac-hdmi.o
 obj-$(CONFIG_SND_SOC_ICS43432) += snd-soc-ics43432.o
--- a/sound/soc/codecs/sabre-ess-i2c.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Driver for the SABRE ESS CODECs
- *
- * Author: Jaikumar <jaikumar@cem-solutions.net>       
- *             Copyright 2018
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * 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.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/i2c.h>
-
-#include "sabre-ess.h"
-
-static int sabre_ess_i2c_probe(struct i2c_client *i2c,
-                            const struct i2c_device_id *id)
-{
-       struct regmap *regmap;
-       struct regmap_config config = sabre_ess_regmap;
-
-       regmap = devm_regmap_init_i2c(i2c, &config);
-       if (IS_ERR(regmap))
-               return PTR_ERR(regmap);
-
-       return sabre_ess_probe(&i2c->dev, regmap);
-}
-
-static int sabre_ess_i2c_remove(struct i2c_client *i2c)
-{
-       sabre_ess_remove(&i2c->dev);
-       return 0;
-}
-
-static const struct i2c_device_id sabre_ess_i2c_id[] = {
-       { "sabre-ess", },
-       { }
-};
-MODULE_DEVICE_TABLE(i2c, sabre_ess_i2c_id);
-
-static const struct of_device_id sabre_ess_of_match[] = {
-       { .compatible = "saber,sabre-ess", },
-       { }
-};
-MODULE_DEVICE_TABLE(of, sabre_ess_of_match);
-
-static struct i2c_driver sabre_ess_i2c_driver = {
-       .probe          = sabre_ess_i2c_probe,
-       .remove         = sabre_ess_i2c_remove,
-       .id_table       = sabre_ess_i2c_id,
-       .driver         = {
-               .name   = "sabre-ess",
-               .of_match_table = sabre_ess_of_match,
-       },
-};
-
-module_i2c_driver(sabre_ess_i2c_driver);
-
-MODULE_DESCRIPTION("ASoC SABRE ESS codec driver - I2C");
-MODULE_AUTHOR("Jaikumar <jaikumar@cem-solutions.net>");
-MODULE_LICENSE("GPL v2");
-
--- a/sound/soc/codecs/sabre-ess.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- * Driver for the SABRE ESS CODEC
- *
- * Author: Jaikumar <jaikumar@cem-solutions.net>
- *             Copyright 2018
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * 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.
- */
-
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/kernel.h>
-#include <linux/pm_runtime.h>
-#include <linux/regmap.h>
-#include <linux/regulator/consumer.h>
-#include <linux/gcd.h>
-#include <sound/soc.h>
-#include <sound/soc-dapm.h>
-#include <sound/pcm_params.h>
-#include <sound/tlv.h>
-
-#include "sabre-ess.h"
-
-struct sabre_ess_priv {
-       struct regmap *regmap;
-       int fmt;
-};
-
-static const struct reg_default sabre_ess_reg_defaults[] = {
-       { SABRE_ESS_RESET,                      0x00 },
-       { SABRE_ESS_VOLUME_1,           0xF0 },
-       { SABRE_ESS_VOLUME_2,           0xF0 },
-       { SABRE_ESS_MUTE,                       0x00 },
-       { SABRE_ESS_DSP_PROGRAM,        0x04 },
-       { SABRE_ESS_DEEMPHASIS,         0x00 },
-       { SABRE_ESS_DOP,                        0x01 },
-       { SABRE_ESS_FORMAT,                     0xb4 },
-};
-
-static const char * const sabre_ess_dsp_program_texts[] = {
-       "Linear Phase Fast Roll-off Filter",
-       "Linear Phase Slow Roll-off Filter",
-       "Minimum Phase Fast Roll-off Filter",
-       "Minimum Phase Slow Roll-off Filter",
-       "Apodizing Fast Roll-off Filter",
-       "Corrected Minimum Phase Fast Roll-off Filter",
-       "Brick Wall Filter",
-};
-
-static const unsigned int sabre_ess_dsp_program_values[] = {
-       0,
-       1,
-       2,
-       3,
-       4,
-       6,
-       7,
-};
-
-static SOC_VALUE_ENUM_SINGLE_DECL(sabre_ess_dsp_program,
-                                 SABRE_ESS_DSP_PROGRAM, 0, 0x07,
-                                 sabre_ess_dsp_program_texts,
-                                 sabre_ess_dsp_program_values);
-
-static const char * const sabre_ess_deemphasis_texts[] = {
-       "Bypass",
-       "32kHz",
-       "44.1kHz",
-       "48kHz",
-};
-
-static const unsigned int sabre_ess_deemphasis_values[] = {
-       0,
-       1,
-       2,
-       3,
-};
-
-static SOC_VALUE_ENUM_SINGLE_DECL(sabre_ess_deemphasis,
-                                 SABRE_ESS_DEEMPHASIS, 0, 0x03,
-                                 sabre_ess_deemphasis_texts,
-                                 sabre_ess_deemphasis_values);
-
-static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(master_tlv, -12700, 0);
-
-static const struct snd_kcontrol_new sabre_ess_controls[] = {
-       SOC_DOUBLE_R_TLV("Master Playback Volume", SABRE_ESS_VOLUME_1,
-                       SABRE_ESS_VOLUME_2, 0, 255, 1, master_tlv),
-       SOC_DOUBLE("Master Playback Switch", SABRE_ESS_MUTE, 0, 0, 1, 1),
-       SOC_ENUM("DSP Program Route", sabre_ess_dsp_program),
-       SOC_ENUM("Deemphasis Route", sabre_ess_deemphasis),
-       SOC_SINGLE("DoP Playback Switch", SABRE_ESS_DOP, 0, 1, 1)
-};
-
-static bool sabre_ess_readable_register(struct device *dev, unsigned int reg)
-{
-       switch (reg) {
-       case SABRE_ESS_CHIP_ID_REG:
-               return true;
-       default:
-               return reg < 0xff;
-       }
-}
-
-static int sabre_ess_hw_params(struct snd_pcm_substream *substream,
-                            struct snd_pcm_hw_params *params,
-                            struct snd_soc_dai *dai)
-{
-       struct snd_soc_codec *codec = dai->codec;
-       struct sabre_ess_priv *sabre_ess = snd_soc_codec_get_drvdata(codec);
-       int fmt = 0;
-       int ret;
-
-       dev_dbg(codec->dev, "hw_params %u Hz, %u channels\n",
-                       params_rate(params),
-                       params_channels(params));
-
-       switch (sabre_ess->fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-       case SND_SOC_DAIFMT_CBM_CFM: // master
-               if (params_channels(params) == 2)
-                       fmt = SABRE_ESS_CHAN_STEREO;
-               else
-                       fmt = SABRE_ESS_CHAN_MONO;
-
-               switch (params_width(params)) {
-               case 16:
-                       fmt |= SABRE_ESS_ALEN_16;
-                       break;
-               case 24:
-                       fmt |= SABRE_ESS_ALEN_24;
-                       break;
-               case 32:
-                       fmt |= SABRE_ESS_ALEN_32;
-                       break;
-               default:
-                       dev_err(codec->dev, "Bad frame size: %d\n",
-                                       params_width(params));
-                       return -EINVAL;
-               }
-
-               switch (params_rate(params)) {
-               case 44100:
-                       fmt |= SABRE_ESS_RATE_44100;
-                       break;
-               case 48000:
-                       fmt |= SABRE_ESS_RATE_48000;
-                       break;
-               case 88200:
-                       fmt |= SABRE_ESS_RATE_88200;
-                       break;
-               case 96000:
-                       fmt |= SABRE_ESS_RATE_96000;
-                       break;
-               case 176400:
-                       fmt |= SABRE_ESS_RATE_176400;
-                       break;
-               case 192000:
-                       fmt |= SABRE_ESS_RATE_192000;
-                       break;
-               case 352800:
-                       fmt |= SABRE_ESS_RATE_352800;
-                       break;
-               case 384000:
-                       fmt |= SABRE_ESS_RATE_384000;
-                       break;
-               default:
-                       dev_err(codec->dev, "Bad sample rate: %d\n",
-                                       params_rate(params));
-                       return -EINVAL;
-               }
-
-               ret = regmap_write(sabre_ess->regmap, SABRE_ESS_FORMAT, fmt);
-               if (ret != 0) {
-                       dev_err(codec->dev, "Failed to set format: %d\n", ret);
-                       return ret;
-               }
-               break;
-
-       default:
-               return -EINVAL;
-       }
-
-       return 0;
-}
-
-static int sabre_ess_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
-{
-       struct snd_soc_codec *codec = dai->codec;
-       struct sabre_ess_priv *sabre_ess = snd_soc_codec_get_drvdata(codec);
-
-       sabre_ess->fmt = fmt;
-
-       return 0;
-}
-
-static const struct snd_soc_dai_ops sabre_ess_dai_ops = {
-       .hw_params = sabre_ess_hw_params,
-       .set_fmt = sabre_ess_set_fmt,
-};
-
-static struct snd_soc_dai_driver sabre_ess_dai = {
-       .name = "sabre-ess",
-       .playback = {
-               .stream_name = "Playback",
-               .channels_min = 2,
-               .channels_max = 2,
-               .rates = SNDRV_PCM_RATE_CONTINUOUS,
-               .rate_min = 44100,
-               .rate_max = 384000,
-               .formats = SNDRV_PCM_FMTBIT_S16_LE |
-                       SNDRV_PCM_FMTBIT_S32_LE
-       },
-       .ops = &sabre_ess_dai_ops,
-};
-
-static struct snd_soc_codec_driver sabre_ess_codec_driver = {
-       .idle_bias_off = false,
-
-       .component_driver = {
-               .controls               = sabre_ess_controls,
-               .num_controls   = ARRAY_SIZE(sabre_ess_controls),
-       },
-};
-
-static const struct regmap_range_cfg sabre_ess_range = {
-       .name = "Pages", .range_min = SABRE_ESS_VIRT_BASE,
-       .range_max = SABRE_ESS_MAX_REGISTER,
-       .selector_reg = SABRE_ESS_PAGE,
-       .selector_mask = 0xff,
-       .window_start = 0, .window_len = 0x100,
-};
-
-const struct regmap_config sabre_ess_regmap = {
-       .reg_bits = 8,
-       .val_bits = 8,
-
-       .ranges = &sabre_ess_range,
-       .num_ranges = 1,
-
-       .max_register = SABRE_ESS_MAX_REGISTER,
-       .readable_reg = sabre_ess_readable_register,
-       .reg_defaults = sabre_ess_reg_defaults,
-       .num_reg_defaults = ARRAY_SIZE(sabre_ess_reg_defaults),
-       .cache_type = REGCACHE_RBTREE,
-};
-EXPORT_SYMBOL_GPL(sabre_ess_regmap);
-
-int sabre_ess_probe(struct device *dev, struct regmap *regmap)
-{
-       struct sabre_ess_priv *sabre_ess;
-       unsigned int chip_id = 0;
-       int ret;
-
-       sabre_ess = devm_kzalloc(dev, sizeof(struct sabre_ess_priv),
-                                                               GFP_KERNEL);
-       if (!sabre_ess)
-               return -ENOMEM;
-
-       dev_set_drvdata(dev, sabre_ess);
-       sabre_ess->regmap = regmap;
-
-       ret = regmap_read(regmap, SABRE_ESS_CHIP_ID_REG, &chip_id);
-       if ((ret != 0) || (chip_id != SABRE_ESS_CHIP_ID)) {
-               dev_err(dev, "Failed to read Chip or wrong Chip id: %d\n", ret);
-               return ret;
-       }
-       regmap_update_bits(regmap, SABRE_ESS_RESET, 0x01, 0x01);
-       msleep(10);
-
-       ret = snd_soc_register_codec(dev, &sabre_ess_codec_driver,
-                                   &sabre_ess_dai, 1);
-       if (ret != 0) {
-               dev_err(dev, "failed to register codec: %d\n", ret);
-               return ret;
-       }
-
-       return 0;
-}
-EXPORT_SYMBOL_GPL(sabre_ess_probe);
-
-void sabre_ess_remove(struct device *dev)
-{
-       snd_soc_unregister_codec(dev);
-       pm_runtime_disable(dev);
-}
-EXPORT_SYMBOL_GPL(sabre_ess_remove);
-
-MODULE_DESCRIPTION("ASoC SABRE ESS codec driver");
-MODULE_AUTHOR("Jaikumar <jaikumar@cem-solutions.net>");
-MODULE_LICENSE("GPL v2");
-
--- a/sound/soc/codecs/sabre-ess.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Driver for the SABRE ESS CODEC
- *
- * Author: Jaikumar <jaikumar@cem-solutions.net>
- *             Copyright 2018
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * 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.
- */
-
-#ifndef _SND_SOC_SABRE_ESS_
-#define _SND_SOC_SABRE_ESS_
-
-#include <linux/pm.h>
-#include <linux/regmap.h>
-
-#define SABRE_ESS_CHIP_ID              0x30
-#define SABRE_ESS_VIRT_BASE            0x100
-#define SABRE_ESS_PAGE                 0
-
-#define SABRE_ESS_CHIP_ID_REG  (SABRE_ESS_VIRT_BASE + 0)
-#define SABRE_ESS_RESET                        (SABRE_ESS_VIRT_BASE + 1)
-#define SABRE_ESS_VOLUME_1             (SABRE_ESS_VIRT_BASE + 2)
-#define SABRE_ESS_VOLUME_2             (SABRE_ESS_VIRT_BASE + 3)
-#define SABRE_ESS_MUTE                 (SABRE_ESS_VIRT_BASE + 4)
-#define SABRE_ESS_DSP_PROGRAM  (SABRE_ESS_VIRT_BASE + 5)
-#define SABRE_ESS_DEEMPHASIS   (SABRE_ESS_VIRT_BASE + 6)
-#define SABRE_ESS_DOP                  (SABRE_ESS_VIRT_BASE + 7)
-#define SABRE_ESS_FORMAT               (SABRE_ESS_VIRT_BASE + 8)
-#define SABRE_ESS_COMMAND              (SABRE_ESS_VIRT_BASE + 9)
-#define SABRE_ESS_MAX_REGISTER (SABRE_ESS_VIRT_BASE + 9)
-
-#define SABRE_ESS_FMT                  0xff
-#define SABRE_ESS_CHAN_MONO            0x00
-#define SABRE_ESS_CHAN_STEREO  0x80
-#define SABRE_ESS_ALEN_16              0x10
-#define SABRE_ESS_ALEN_24              0x20
-#define SABRE_ESS_ALEN_32              0x30
-#define SABRE_ESS_RATE_11025   0x01
-#define SABRE_ESS_RATE_22050   0x02
-#define SABRE_ESS_RATE_32000   0x03
-#define SABRE_ESS_RATE_44100   0x04
-#define SABRE_ESS_RATE_48000   0x05
-#define SABRE_ESS_RATE_88200   0x06
-#define SABRE_ESS_RATE_96000   0x07
-#define SABRE_ESS_RATE_176400  0x08
-#define SABRE_ESS_RATE_192000  0x09
-#define SABRE_ESS_RATE_352800  0x0a
-#define SABRE_ESS_RATE_384000  0x0b
-
-extern const struct regmap_config sabre_ess_regmap;
-
-int sabre_ess_probe(struct device *dev, struct regmap *regmap);
-void sabre_ess_remove(struct device *dev);
-
-#endif /* _SND_SOC_SABRE_ESS_ */

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