[alsa-devel] Applied "ASoC: Intel: Skylake: Add dsp and ipc init helpers" to the asoc tree
Mark Brown
broonie at kernel.org
Thu Jul 23 18:41:52 CEST 2015
The patch
ASoC: Intel: Skylake: Add dsp and ipc init helpers
has been applied to the asoc tree at
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.
You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.
If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.
Please add any relevant lists and maintainers to the CCs when replying
to this mail.
Thanks,
Mark
>From d255b09555e8ea0e517a4d3368ec60097ac9cf96 Mon Sep 17 00:00:00 2001
From: Jeeja KP <jeeja.kp at intel.com>
Date: Tue, 21 Jul 2015 23:53:56 +0530
Subject: [PATCH] ASoC: Intel: Skylake: Add dsp and ipc init helpers
This helper function will be used by the Skylake driver for dsp and
ipc initialization if processing pipe capability is supported.
Signed-off-by: Jeeja KP <jeeja.kp at intel.com>
Signed-off-by: Vinod Koul <vinod.koul at intel.com>
Signed-off-by: Mark Brown <broonie at kernel.org>
---
sound/soc/intel/skylake/Makefile | 2 +-
sound/soc/intel/skylake/skl-messages.c | 133 +++++++++++++++++++++++++++++++++
sound/soc/intel/skylake/skl.h | 6 ++
3 files changed, 140 insertions(+), 1 deletion(-)
create mode 100644 sound/soc/intel/skylake/skl-messages.c
diff --git a/sound/soc/intel/skylake/Makefile b/sound/soc/intel/skylake/Makefile
index b35faef05779..27db22178204 100644
--- a/sound/soc/intel/skylake/Makefile
+++ b/sound/soc/intel/skylake/Makefile
@@ -1,4 +1,4 @@
-snd-soc-skl-objs := skl.o skl-pcm.o skl-nhlt.o
+snd-soc-skl-objs := skl.o skl-pcm.o skl-nhlt.o skl-messages.o
obj-$(CONFIG_SND_SOC_INTEL_SKYLAKE) += snd-soc-skl.o
diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
new file mode 100644
index 000000000000..7c07b76bf0bf
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-messages.c
@@ -0,0 +1,133 @@
+/*
+ * skl-message.c - HDA DSP interface for FW registration, Pipe and Module
+ * configurations
+ *
+ * Copyright (C) 2015 Intel Corp
+ * Author:Rafal Redzimski <rafal.f.redzimski at intel.com>
+ * Jeeja KP <jeeja.kp at intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as 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/slab.h>
+#include <linux/pci.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include "skl-sst-dsp.h"
+#include "skl-sst-ipc.h"
+#include "skl.h"
+#include "../common/sst-dsp.h"
+#include "../common/sst-dsp-priv.h"
+
+static int skl_alloc_dma_buf(struct device *dev,
+ struct snd_dma_buffer *dmab, size_t size)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+
+ if (!bus)
+ return -ENODEV;
+
+ return bus->io_ops->dma_alloc_pages(bus, SNDRV_DMA_TYPE_DEV, size, dmab);
+}
+
+static int skl_free_dma_buf(struct device *dev, struct snd_dma_buffer *dmab)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+
+ if (!bus)
+ return -ENODEV;
+
+ bus->io_ops->dma_free_pages(bus, dmab);
+
+ return 0;
+}
+
+int skl_init_dsp(struct skl *skl)
+{
+ void __iomem *mmio_base;
+ struct hdac_ext_bus *ebus = &skl->ebus;
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ int irq = bus->irq;
+ struct skl_dsp_loader_ops loader_ops;
+ int ret;
+
+ loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
+ loader_ops.free_dma_buf = skl_free_dma_buf;
+
+ /* enable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
+ snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
+
+ /* read the BAR of the ADSP MMIO */
+ mmio_base = pci_ioremap_bar(skl->pci, 4);
+ if (mmio_base == NULL) {
+ dev_err(bus->dev, "ioremap error\n");
+ return -ENXIO;
+ }
+
+ ret = skl_sst_dsp_init(bus->dev, mmio_base, irq,
+ loader_ops, &skl->skl_sst);
+
+ dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
+
+ return ret;
+}
+
+void skl_free_dsp(struct skl *skl)
+{
+ struct hdac_ext_bus *ebus = &skl->ebus;
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ struct skl_sst *ctx = skl->skl_sst;
+
+ /* disable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
+
+ skl_sst_dsp_cleanup(bus->dev, ctx);
+ if (ctx->dsp->addr.lpe)
+ iounmap(ctx->dsp->addr.lpe);
+}
+
+int skl_suspend_dsp(struct skl *skl)
+{
+ struct skl_sst *ctx = skl->skl_sst;
+ int ret;
+
+ /* if ppcap is not supported return 0 */
+ if (!skl->ebus.ppcap)
+ return 0;
+
+ ret = skl_dsp_sleep(ctx->dsp);
+ if (ret < 0)
+ return ret;
+
+ /* disable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
+ snd_hdac_ext_bus_ppcap_enable(&skl->ebus, false);
+
+ return 0;
+}
+
+int skl_resume_dsp(struct skl *skl)
+{
+ struct skl_sst *ctx = skl->skl_sst;
+
+ /* if ppcap is not supported return 0 */
+ if (!skl->ebus.ppcap)
+ return 0;
+
+ /* enable ppcap interrupt */
+ snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
+ snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
+
+ return skl_dsp_wake(ctx->dsp);
+}
diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h
index 31dafa8a0594..f7fdbb02947f 100644
--- a/sound/soc/intel/skylake/skl.h
+++ b/sound/soc/intel/skylake/skl.h
@@ -56,6 +56,7 @@ struct skl {
struct platform_device *dmic_dev;
void __iomem *nhlt; /* nhlt ptr */
+ struct skl_sst *skl_sst; /* sst skl ctx */
};
#define skl_to_ebus(s) (&(s)->ebus)
@@ -75,4 +76,9 @@ void __iomem *skl_nhlt_init(struct device *dev);
void skl_nhlt_free(void __iomem *addr);
struct nhlt_specific_cfg *skl_get_ep_blob(struct skl *skl, u32 instance,
u8 link_type, u8 s_fmt, u8 no_ch, u32 s_rate, u8 dirn);
+
+int skl_init_dsp(struct skl *skl);
+void skl_free_dsp(struct skl *skl);
+int skl_suspend_dsp(struct skl *skl);
+int skl_resume_dsp(struct skl *skl);
#endif /* __SOUND_SOC_SKL_H */
--
2.1.4
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