319 lines
9.4 KiB
Diff
319 lines
9.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Puneeth Prabhu <puneethx.prabhu@intel.com>
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Date: Mon, 7 May 2018 17:22:32 +0530
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Subject: [PATCH] ASoC: Intel: Boards: Add machine driver for HU topology
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This patch adds I2S machine driver for IVI HU topology
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which uses dummy codec.
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Change-Id: Iff3afa704d23bc7a479265bf1139db5af579b258
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Signed-off-by: Puneeth Prabhu <puneethx.prabhu@intel.com>
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Reviewed-on:
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Reviewed-by: Singh, Guneshwor O <guneshwor.o.singh@intel.com>
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Reviewed-by: Kesapragada, Pardha Saradhi <pardha.saradhi.kesapragada@intel.com>
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Reviewed-by: Kale, Sanyog R <sanyog.r.kale@intel.com>
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Tested-by: Madiwalar, MadiwalappaX <madiwalappax.madiwalar@intel.com>
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---
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sound/soc/intel/boards/Kconfig | 9 +
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sound/soc/intel/boards/Makefile | 2 +
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sound/soc/intel/boards/bxtp_ivi_hu_rt298.c | 250 +++++++++++++++++++++
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3 files changed, 261 insertions(+)
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create mode 100644 sound/soc/intel/boards/bxtp_ivi_hu_rt298.c
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diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig
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index c807cc465c47..d98f82cf4a3c 100644
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--- a/sound/soc/intel/boards/Kconfig
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+++ b/sound/soc/intel/boards/Kconfig
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@@ -392,6 +392,15 @@ config SND_SOC_INTEL_BXTP_IVI_RSE_MACH
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Say Y or m if you have such a device. This is a recommended option.
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If unsure select "N".
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+config SND_SOC_INTEL_BXTP_IVI_HU_MACH
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+ tristate "ASoC Audio driver for BXTP IVI HU with Dummy Codecs"
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+ depends on MFD_INTEL_LPSS && I2C && ACPI
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+ help
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+ This adds support for ASoC machine driver for Broxton-P platforms
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+ with Dummy I2S audio codec for IVI Head Unit.
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+ Say Y or m if you have such a device. This is a recommended option.
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+ If unsure select "N".
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+
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endif ## SND_SOC_INTEL_SKYLAKE
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endif ## SND_SOC_INTEL_MACH
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diff --git a/sound/soc/intel/boards/Makefile b/sound/soc/intel/boards/Makefile
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index 683737d503dc..949db4b0438d 100644
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--- a/sound/soc/intel/boards/Makefile
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+++ b/sound/soc/intel/boards/Makefile
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@@ -31,6 +31,7 @@ snd-soc-cnl_svfpga-objs := cnl_svfpga.o
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snd-soc-bxt_ivi_ull-objs := bxt_ivi_ull.o
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snd-soc-kblr_rt298-objs := kblr_rt298.o
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snd-soc-bxtp_ivi_rse_rt298-objs := bxtp_ivi_rse_rt298.o
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+snd-soc-bxtp_ivi_hu_rt298-objs := bxtp_ivi_hu_rt298.o
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obj-$(CONFIG_SND_SOC_INTEL_HASWELL_MACH) += snd-soc-sst-haswell.o
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obj-$(CONFIG_SND_SOC_INTEL_BYT_RT5640_MACH) += snd-soc-sst-byt-rt5640-mach.o
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@@ -64,3 +65,4 @@ obj-$(CONFIG_SND_SOC_INTEL_CNL_SVFPGA_MACH) += snd-soc-cnl_svfpga.o
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obj-$(CONFIG_SND_SOC_INTEL_BXT_ULL_MACH) += snd-soc-bxt_ivi_ull.o
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obj-$(CONFIG_SND_SOC_INTEL_KBLR_RT298_MACH) += snd-soc-kblr_rt298.o
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obj-$(CONFIG_SND_SOC_INTEL_BXTP_IVI_RSE_MACH) += snd-soc-bxtp_ivi_rse_rt298.o
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+obj-$(CONFIG_SND_SOC_INTEL_BXTP_IVI_HU_MACH) += snd-soc-bxtp_ivi_hu_rt298.o
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diff --git a/sound/soc/intel/boards/bxtp_ivi_hu_rt298.c b/sound/soc/intel/boards/bxtp_ivi_hu_rt298.c
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new file mode 100644
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index 000000000000..ce467721305a
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--- /dev/null
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+++ b/sound/soc/intel/boards/bxtp_ivi_hu_rt298.c
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@@ -0,0 +1,250 @@
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+// SPDX-License-Identifier: GPL-2.0
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+// Copyright(c) 2018 Intel Corporation
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+
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+/*
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+ * bxtp_ivi_hu_rt298.c -Intel HU I2S Machine Driver
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/platform_device.h>
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+#include <sound/core.h>
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+#include <sound/pcm.h>
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+#include <sound/soc.h>
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+#include <sound/pcm_params.h>
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+
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+#define DEF_BT_RATE_INBDEX 0x0
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+
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+struct bxtp_ivi_hu_prv {
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+ int srate;
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+};
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+
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+static unsigned int ivi_hu_bt_rates[] = {
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+ 8000,
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+ 16000,
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+};
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+
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+/* sound card controls */
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+static const char * const bt_rate[] = {"8K", "16K"};
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+
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+static const struct soc_enum btrate_enum =
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+ SOC_ENUM_SINGLE_EXT(2, bt_rate);
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+
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+static int bt_sample_rate_get(struct snd_kcontrol *kcontrol,
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+ struct snd_ctl_elem_value *ucontrol)
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+{
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+ struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
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+ struct bxtp_ivi_hu_prv *drv = snd_soc_card_get_drvdata(card);
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+
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+ ucontrol->value.integer.value[0] = drv->srate;
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+ return 0;
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+}
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+
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+static int bt_sample_rate_put(struct snd_kcontrol *kcontrol,
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+ struct snd_ctl_elem_value *ucontrol)
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+{
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+ struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
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+ struct bxtp_ivi_hu_prv *drv = snd_soc_card_get_drvdata(card);
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+
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+ if (ucontrol->value.integer.value[0] == drv->srate)
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+ return 0;
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+
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+ drv->srate = ucontrol->value.integer.value[0];
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+ return 0;
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+
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+}
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+
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+static const struct snd_kcontrol_new hu_snd_controls[] = {
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+
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+ SOC_ENUM_EXT("BT Rate", btrate_enum,
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+ bt_sample_rate_get, bt_sample_rate_put),
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+};
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+
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+static const struct snd_soc_dapm_widget broxton_widgets[] = {
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+ SND_SOC_DAPM_SPK("Speaker", NULL),
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+ SND_SOC_DAPM_MIC("DMIC2", NULL),
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+};
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+
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+static const struct snd_soc_dapm_route broxton_rt298_map[] = {
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+ {"Speaker", NULL, "Dummy Playback"},
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+ {"Dummy Capture", NULL, "DMIC2"},
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+
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+ { "Dummy Playback", NULL, "ssp0 Tx"},
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+ { "ssp0 Tx", NULL, "codec0_out"},
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+
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+ { "bt_ssp0_in", NULL, "ssp0 Rx" },
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+ { "ssp0 Rx", NULL, "Dummy Capture" },
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+};
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+
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+static int bxtp_ssp0_gpio_init(struct snd_soc_pcm_runtime *rtd)
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+{
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+ char *gpio_addr;
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+ u32 gpio_value1 = 0x40900500;
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+ u32 gpio_value2 = 0x44000600;
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+
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+ gpio_addr = (void *)ioremap_nocache(0xd0c40610, 0x30);
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+ if (gpio_addr == NULL)
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+ return(-EIO);
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+
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+ memcpy_toio(gpio_addr + 0x8, &gpio_value1, sizeof(gpio_value1));
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+ memcpy_toio(gpio_addr + 0x10, &gpio_value2, sizeof(gpio_value2));
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+ memcpy_toio(gpio_addr + 0x18, &gpio_value2, sizeof(gpio_value2));
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+ memcpy_toio(gpio_addr + 0x20, &gpio_value2, sizeof(gpio_value2));
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+
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+ iounmap(gpio_addr);
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+ return 0;
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+}
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+
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+static int broxton_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
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+ struct snd_pcm_hw_params *params)
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+{
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+ struct snd_interval *rate = hw_param_interval(params,
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+ SNDRV_PCM_HW_PARAM_RATE);
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+
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+ struct snd_soc_card *card = rtd->card;
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+ struct bxtp_ivi_hu_prv *drv = snd_soc_card_get_drvdata(card);
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+
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+ /* SSP0 operates with a BT Transceiver */
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+ rate->min = rate->max = ivi_hu_bt_rates[drv->srate];
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+ return 0;
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+}
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+
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+static const char pname[] = "0000:00:0e.0";
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+
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+/* broxton digital audio interface glue - connects codec <--> CPU */
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+static struct snd_soc_dai_link broxton_rt298_dais[] = {
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+ /* Trace Buffer DAI links */
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+ {
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+ .name = "Bxt Trace Buffer0",
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+ .stream_name = "Core 0 Trace Buffer",
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+ .cpu_dai_name = "TraceBuffer0 Pin",
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+ .codec_name = "snd-soc-dummy",
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+ .codec_dai_name = "snd-soc-dummy-dai",
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+ .platform_name = pname,
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+ .capture_only = true,
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+ .ignore_suspend = 1,
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+ },
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+ {
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+ .name = "Bxt Trace Buffer1",
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+ .stream_name = "Core 1 Trace Buffer",
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+ .cpu_dai_name = "TraceBuffer1 Pin",
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+ .codec_name = "snd-soc-dummy",
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+ .codec_dai_name = "snd-soc-dummy-dai",
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+ .platform_name = pname,
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+ .capture_only = true,
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+ .ignore_suspend = 1,
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+ },
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+ {
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+ .name = "Bxt Compress Probe playback",
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+ .stream_name = "Probe Playback",
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+ .cpu_dai_name = "Compress Probe0 Pin",
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+ .codec_name = "snd-soc-dummy",
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+ .codec_dai_name = "snd-soc-dummy-dai",
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+ .platform_name = pname,
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+ .init = NULL,
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+ .nonatomic = 1,
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+ },
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+ {
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+ .name = "Bxt Compress Probe capture",
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+ .stream_name = "Probe Capture",
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+ .cpu_dai_name = "Compress Probe1 Pin",
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+ .codec_name = "snd-soc-dummy",
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+ .codec_dai_name = "snd-soc-dummy-dai",
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+ .platform_name = pname,
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+ .init = NULL,
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+ .nonatomic = 1,
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+ },
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+
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+ /* Back End DAI links */
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+ {
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+ /* SSP0 - Codec - for HDMI MCH */
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+ .name = "SSP0-Codec",
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+ .id = 0,
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+ .cpu_dai_name = "SSP0 Pin",
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+ .platform_name = pname,
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+ .no_pcm = 1,
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+ .codec_name = "snd-soc-dummy",
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+ .codec_dai_name = "snd-soc-dummy-dai",
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+ .init = bxtp_ssp0_gpio_init,
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+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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+ SND_SOC_DAIFMT_CBS_CFS,
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+ .ignore_suspend = 1,
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+ .ignore_pmdown_time = 1,
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+ .be_hw_params_fixup = broxton_ssp0_fixup,
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+ .dpcm_capture = 1,
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+ .dpcm_playback = 1,
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+ },
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+};
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+
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+static int
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+bxt_add_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *link)
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+{
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+ link->platform_name = pname;
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+ link->nonatomic = 1;
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+
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+ return 0;
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+}
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+
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+/* broxton audio machine driver for SPT + RT298S */
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+static struct snd_soc_card broxton_rt298 = {
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+ .name = "broxton-ivi-hu",
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+ .dai_link = broxton_rt298_dais,
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+ .num_links = ARRAY_SIZE(broxton_rt298_dais),
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+ .controls = hu_snd_controls,
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+ .num_controls = ARRAY_SIZE(hu_snd_controls),
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+ .dapm_widgets = broxton_widgets,
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+ .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
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+ .dapm_routes = broxton_rt298_map,
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+ .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
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+ .fully_routed = true,
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+ .add_dai_link = bxt_add_dai_link,
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+};
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+
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+static int broxton_audio_probe(struct platform_device *pdev)
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+{
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+ int ret_val;
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+ struct bxtp_ivi_hu_prv *drv;
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+
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+ broxton_rt298.dev = &pdev->dev;
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+
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+ drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
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+ if (!drv)
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+ return -ENOMEM;
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+
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+ drv->srate = DEF_BT_RATE_INBDEX;
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+ snd_soc_card_set_drvdata(&broxton_rt298, drv);
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+
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+ ret_val = snd_soc_register_card(&broxton_rt298);
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+ if (ret_val) {
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+ dev_dbg(&pdev->dev, "snd_soc_register_card failed %d\n",
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+ ret_val);
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+ return ret_val;
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+ }
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+
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+ platform_set_drvdata(pdev, &broxton_rt298);
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+
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+ return ret_val;
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+}
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+
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+static int broxton_audio_remove(struct platform_device *pdev)
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+{
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+ snd_soc_unregister_card(&broxton_rt298);
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+ return 0;
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+}
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+
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+static struct platform_driver broxton_audio = {
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+ .probe = broxton_audio_probe,
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+ .remove = broxton_audio_remove,
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+ .driver = {
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+ .name = "bxt_ivi_hu_i2s",
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+ },
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+};
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+
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+module_platform_driver(broxton_audio);
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+
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+/* Module information */
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+MODULE_AUTHOR("Pardha Saradhi K <pardha.saradhi.kesapragada@intel.com>");
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+MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
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+MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
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+MODULE_DESCRIPTION("Intel SST Audio for Broxton-P IVI HU");
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+MODULE_LICENSE("GPL v2");
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+MODULE_ALIAS("platform:bxt_ivi_hu_i2s");
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--
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https://clearlinux.org
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