linux_dsm_epyc7002/sound/soc/sof/intel/cnl.c
Pan Xiuli 6173269038
ASoC: SOF: Intel: initial support for Elkhart Lake
Add Kconfig, PCI ID and chip info for EHL platform.

Note that the core mask is different from previous platforms, only
Core0 can be controlled by the host. Additional patches will be
required for multi-core functionality.

Signed-off-by: Pan Xiuli <xiuli.pan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190815155749.29304-5-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-08-15 18:13:39 +01:00

330 lines
8.7 KiB
C

// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2018 Intel Corporation. All rights reserved.
//
// Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
// Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
// Rander Wang <rander.wang@intel.com>
// Keyon Jie <yang.jie@linux.intel.com>
//
/*
* Hardware interface for audio DSP on Cannonlake.
*/
#include "../ops.h"
#include "hda.h"
static const struct snd_sof_debugfs_map cnl_dsp_debugfs[] = {
{"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS},
{"pp", HDA_DSP_PP_BAR, 0, 0x1000, SOF_DEBUGFS_ACCESS_ALWAYS},
{"dsp", HDA_DSP_BAR, 0, 0x10000, SOF_DEBUGFS_ACCESS_ALWAYS},
};
static void cnl_ipc_host_done(struct snd_sof_dev *sdev);
static void cnl_ipc_dsp_done(struct snd_sof_dev *sdev);
static irqreturn_t cnl_ipc_irq_thread(int irq, void *context)
{
struct snd_sof_dev *sdev = context;
u32 hipci;
u32 hipcida;
u32 hipctdr;
u32 hipctdd;
u32 msg;
u32 msg_ext;
bool ipc_irq = false;
hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCIDA);
hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCTDR);
hipctdd = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCTDD);
hipci = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCIDR);
/* reply message from DSP */
if (hipcida & CNL_DSP_REG_HIPCIDA_DONE) {
msg_ext = hipci & CNL_DSP_REG_HIPCIDR_MSG_MASK;
msg = hipcida & CNL_DSP_REG_HIPCIDA_MSG_MASK;
dev_vdbg(sdev->dev,
"ipc: firmware response, msg:0x%x, msg_ext:0x%x\n",
msg, msg_ext);
/* mask Done interrupt */
snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR,
CNL_DSP_REG_HIPCCTL,
CNL_DSP_REG_HIPCCTL_DONE, 0);
spin_lock_irq(&sdev->ipc_lock);
/* handle immediate reply from DSP core */
hda_dsp_ipc_get_reply(sdev);
snd_sof_ipc_reply(sdev, msg);
if (sdev->code_loading) {
sdev->code_loading = 0;
wake_up(&sdev->waitq);
}
cnl_ipc_dsp_done(sdev);
spin_unlock_irq(&sdev->ipc_lock);
ipc_irq = true;
}
/* new message from DSP */
if (hipctdr & CNL_DSP_REG_HIPCTDR_BUSY) {
msg = hipctdr & CNL_DSP_REG_HIPCTDR_MSG_MASK;
msg_ext = hipctdd & CNL_DSP_REG_HIPCTDD_MSG_MASK;
dev_vdbg(sdev->dev,
"ipc: firmware initiated, msg:0x%x, msg_ext:0x%x\n",
msg, msg_ext);
/* handle messages from DSP */
if ((hipctdr & SOF_IPC_PANIC_MAGIC_MASK) ==
SOF_IPC_PANIC_MAGIC) {
snd_sof_dsp_panic(sdev, HDA_DSP_PANIC_OFFSET(msg_ext));
} else {
snd_sof_ipc_msgs_rx(sdev);
}
cnl_ipc_host_done(sdev);
ipc_irq = true;
}
if (!ipc_irq) {
/*
* This interrupt is not shared so no need to return IRQ_NONE.
*/
dev_dbg_ratelimited(sdev->dev,
"nothing to do in IPC IRQ thread\n");
}
/* re-enable IPC interrupt */
snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIC,
HDA_DSP_ADSPIC_IPC, HDA_DSP_ADSPIC_IPC);
return IRQ_HANDLED;
}
static void cnl_ipc_host_done(struct snd_sof_dev *sdev)
{
/*
* clear busy interrupt to tell dsp controller this
* interrupt has been accepted, not trigger it again
*/
snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR,
CNL_DSP_REG_HIPCTDR,
CNL_DSP_REG_HIPCTDR_BUSY,
CNL_DSP_REG_HIPCTDR_BUSY);
/*
* set done bit to ack dsp the msg has been
* processed and send reply msg to dsp
*/
snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR,
CNL_DSP_REG_HIPCTDA,
CNL_DSP_REG_HIPCTDA_DONE,
CNL_DSP_REG_HIPCTDA_DONE);
}
static void cnl_ipc_dsp_done(struct snd_sof_dev *sdev)
{
/*
* set DONE bit - tell DSP we have received the reply msg
* from DSP, and processed it, don't send more reply to host
*/
snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR,
CNL_DSP_REG_HIPCIDA,
CNL_DSP_REG_HIPCIDA_DONE,
CNL_DSP_REG_HIPCIDA_DONE);
/* unmask Done interrupt */
snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR,
CNL_DSP_REG_HIPCCTL,
CNL_DSP_REG_HIPCCTL_DONE,
CNL_DSP_REG_HIPCCTL_DONE);
}
static int cnl_ipc_send_msg(struct snd_sof_dev *sdev,
struct snd_sof_ipc_msg *msg)
{
/* send the message */
sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
msg->msg_size);
snd_sof_dsp_write(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCIDR,
CNL_DSP_REG_HIPCIDR_BUSY);
return 0;
}
static void cnl_ipc_dump(struct snd_sof_dev *sdev)
{
u32 hipcctl;
u32 hipcida;
u32 hipctdr;
hda_ipc_irq_dump(sdev);
/* read IPC status */
hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCIDA);
hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCCTL);
hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCTDR);
/* dump the IPC regs */
/* TODO: parse the raw msg */
dev_err(sdev->dev,
"error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
hipcida, hipctdr, hipcctl);
}
/* cannonlake ops */
const struct snd_sof_dsp_ops sof_cnl_ops = {
/* probe and remove */
.probe = hda_dsp_probe,
.remove = hda_dsp_remove,
/* Register IO */
.write = sof_io_write,
.read = sof_io_read,
.write64 = sof_io_write64,
.read64 = sof_io_read64,
/* Block IO */
.block_read = sof_block_read,
.block_write = sof_block_write,
/* doorbell */
.irq_handler = hda_dsp_ipc_irq_handler,
.irq_thread = cnl_ipc_irq_thread,
/* ipc */
.send_msg = cnl_ipc_send_msg,
.fw_ready = sof_fw_ready,
.get_mailbox_offset = hda_dsp_ipc_get_mailbox_offset,
.get_window_offset = hda_dsp_ipc_get_window_offset,
.ipc_msg_data = hda_ipc_msg_data,
.ipc_pcm_params = hda_ipc_pcm_params,
/* debug */
.debug_map = cnl_dsp_debugfs,
.debug_map_count = ARRAY_SIZE(cnl_dsp_debugfs),
.dbg_dump = hda_dsp_dump,
.ipc_dump = cnl_ipc_dump,
/* stream callbacks */
.pcm_open = hda_dsp_pcm_open,
.pcm_close = hda_dsp_pcm_close,
.pcm_hw_params = hda_dsp_pcm_hw_params,
.pcm_hw_free = hda_dsp_stream_hw_free,
.pcm_trigger = hda_dsp_pcm_trigger,
.pcm_pointer = hda_dsp_pcm_pointer,
/* firmware loading */
.load_firmware = snd_sof_load_firmware_raw,
/* pre/post fw run */
.pre_fw_run = hda_dsp_pre_fw_run,
.post_fw_run = hda_dsp_post_fw_run,
/* dsp core power up/down */
.core_power_up = hda_dsp_enable_core,
.core_power_down = hda_dsp_core_reset_power_down,
/* firmware run */
.run = hda_dsp_cl_boot_firmware,
/* trace callback */
.trace_init = hda_dsp_trace_init,
.trace_release = hda_dsp_trace_release,
.trace_trigger = hda_dsp_trace_trigger,
/* DAI drivers */
.drv = skl_dai,
.num_drv = SOF_SKL_NUM_DAIS,
/* PM */
.suspend = hda_dsp_suspend,
.resume = hda_dsp_resume,
.runtime_suspend = hda_dsp_runtime_suspend,
.runtime_resume = hda_dsp_runtime_resume,
.runtime_idle = hda_dsp_runtime_idle,
.set_hw_params_upon_resume = hda_dsp_set_hw_params_upon_resume,
};
EXPORT_SYMBOL(sof_cnl_ops);
const struct sof_intel_dsp_desc cnl_chip_info = {
/* Cannonlake */
.cores_num = 4,
.init_core_mask = 1,
.cores_mask = HDA_DSP_CORE_MASK(0) |
HDA_DSP_CORE_MASK(1) |
HDA_DSP_CORE_MASK(2) |
HDA_DSP_CORE_MASK(3),
.ipc_req = CNL_DSP_REG_HIPCIDR,
.ipc_req_mask = CNL_DSP_REG_HIPCIDR_BUSY,
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
.rom_init_timeout = 300,
.ssp_count = CNL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
};
EXPORT_SYMBOL(cnl_chip_info);
const struct sof_intel_dsp_desc icl_chip_info = {
/* Icelake */
.cores_num = 4,
.init_core_mask = 1,
.cores_mask = HDA_DSP_CORE_MASK(0) |
HDA_DSP_CORE_MASK(1) |
HDA_DSP_CORE_MASK(2) |
HDA_DSP_CORE_MASK(3),
.ipc_req = CNL_DSP_REG_HIPCIDR,
.ipc_req_mask = CNL_DSP_REG_HIPCIDR_BUSY,
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
.rom_init_timeout = 300,
.ssp_count = ICL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
};
EXPORT_SYMBOL(icl_chip_info);
const struct sof_intel_dsp_desc tgl_chip_info = {
/* Tigerlake */
.cores_num = 4,
.init_core_mask = 1,
.cores_mask = HDA_DSP_CORE_MASK(0),
.ipc_req = CNL_DSP_REG_HIPCIDR,
.ipc_req_mask = CNL_DSP_REG_HIPCIDR_BUSY,
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
.rom_init_timeout = 300,
.ssp_count = ICL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
};
EXPORT_SYMBOL(tgl_chip_info);
const struct sof_intel_dsp_desc ehl_chip_info = {
/* Elkhartlake */
.cores_num = 4,
.init_core_mask = 1,
.cores_mask = HDA_DSP_CORE_MASK(0),
.ipc_req = CNL_DSP_REG_HIPCIDR,
.ipc_req_mask = CNL_DSP_REG_HIPCIDR_BUSY,
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
.rom_init_timeout = 300,
.ssp_count = ICL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
};
EXPORT_SYMBOL(ehl_chip_info);