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WSL2-Linux-Kernel/sound/soc/sof/intel/hda.c

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// SPDX-License-Identifier: (GPL-2.0-only 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 generic Intel audio DSP HDA IP
*/
#include <sound/hdaudio_ext.h>
#include <sound/hda_register.h>
#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_intel.h>
#include <sound/intel-nhlt.h>
#include <sound/sof.h>
#include <sound/sof/xtensa.h>
#include "../sof-audio.h"
#include "../ops.h"
#include "hda.h"
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
#include <sound/soc-acpi-intel-match.h>
#endif
/* platform specific devices */
#include "shim.h"
#define EXCEPT_MAX_HDR_SIZE 0x400
#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
/*
* The default for SoundWire clock stop quirks is to power gate the IP
* and do a Bus Reset, this will need to be modified when the DSP
* needs to remain in D0i3 so that the Master does not lose context
* and enumeration is not required on clock restart
*/
static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET;
module_param(sdw_clock_stop_quirks, int, 0444);
MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks");
static int sdw_params_stream(struct device *dev,
struct sdw_intel_stream_params_data *params_data)
{
struct snd_sof_dev *sdev = dev_get_drvdata(dev);
struct snd_soc_dai *d = params_data->dai;
struct sof_ipc_dai_config config;
struct sof_ipc_reply reply;
int link_id = params_data->link_id;
int alh_stream_id = params_data->alh_stream_id;
int ret;
u32 size = sizeof(config);
memset(&config, 0, size);
config.hdr.size = size;
config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
config.type = SOF_DAI_INTEL_ALH;
config.dai_index = (link_id << 8) | (d->id);
config.alh.stream_id = alh_stream_id;
/* send message to DSP */
ret = sof_ipc_tx_message(sdev->ipc,
config.hdr.cmd, &config, size, &reply,
sizeof(reply));
if (ret < 0) {
dev_err(sdev->dev,
"error: failed to set DAI hw_params for link %d dai->id %d ALH %d\n",
link_id, d->id, alh_stream_id);
}
return ret;
}
static int sdw_free_stream(struct device *dev,
struct sdw_intel_stream_free_data *free_data)
{
struct snd_sof_dev *sdev = dev_get_drvdata(dev);
struct snd_soc_dai *d = free_data->dai;
struct sof_ipc_dai_config config;
struct sof_ipc_reply reply;
int link_id = free_data->link_id;
int ret;
u32 size = sizeof(config);
memset(&config, 0, size);
config.hdr.size = size;
config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
config.type = SOF_DAI_INTEL_ALH;
config.dai_index = (link_id << 8) | d->id;
config.alh.stream_id = 0xFFFF; /* invalid value on purpose */
/* send message to DSP */
ret = sof_ipc_tx_message(sdev->ipc,
config.hdr.cmd, &config, size, &reply,
sizeof(reply));
if (ret < 0) {
dev_err(sdev->dev,
"error: failed to free stream for link %d dai->id %d\n",
link_id, d->id);
}
return ret;
}
static const struct sdw_intel_ops sdw_callback = {
.params_stream = sdw_params_stream,
.free_stream = sdw_free_stream,
};
void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
{
sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable);
}
static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
acpi_handle handle;
int ret;
handle = ACPI_HANDLE(sdev->dev);
/* save ACPI info for the probe step */
hdev = sdev->pdata->hw_pdata;
ret = sdw_intel_acpi_scan(handle, &hdev->info);
if (ret < 0)
return -EINVAL;
return 0;
}
static int hda_sdw_probe(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
struct sdw_intel_res res;
void *sdw;
hdev = sdev->pdata->hw_pdata;
memset(&res, 0, sizeof(res));
res.mmio_base = sdev->bar[HDA_DSP_BAR];
res.irq = sdev->ipc_irq;
res.handle = hdev->info.handle;
res.parent = sdev->dev;
res.ops = &sdw_callback;
res.dev = sdev->dev;
res.clock_stop_quirks = sdw_clock_stop_quirks;
/*
* ops and arg fields are not populated for now,
* they will be needed when the DAI callbacks are
* provided
*/
/* we could filter links here if needed, e.g for quirks */
res.count = hdev->info.count;
res.link_mask = hdev->info.link_mask;
sdw = sdw_intel_probe(&res);
if (!sdw) {
dev_err(sdev->dev, "error: SoundWire probe failed\n");
return -EINVAL;
}
/* save context */
hdev->sdw = sdw;
return 0;
}
int hda_sdw_startup(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
hdev = sdev->pdata->hw_pdata;
if (!hdev->sdw)
return 0;
return sdw_intel_startup(hdev->sdw);
}
static int hda_sdw_exit(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
hdev = sdev->pdata->hw_pdata;
hda_sdw_int_enable(sdev, false);
if (hdev->sdw)
sdw_intel_exit(hdev->sdw);
hdev->sdw = NULL;
return 0;
}
static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
bool ret = false;
u32 irq_status;
hdev = sdev->pdata->hw_pdata;
if (!hdev->sdw)
return ret;
/* store status */
irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2);
/* invalid message ? */
if (irq_status == 0xffffffff)
goto out;
/* SDW message ? */
if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW)
ret = true;
out:
return ret;
}
static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
{
return sdw_intel_thread(irq, context);
}
static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
hdev = sdev->pdata->hw_pdata;
if (hdev->sdw &&
snd_sof_dsp_read(sdev, HDA_DSP_BAR,
HDA_DSP_REG_SNDW_WAKE_STS))
return true;
return false;
}
void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
hdev = sdev->pdata->hw_pdata;
if (!hdev->sdw)
return;
sdw_intel_process_wakeen_event(hdev->sdw);
}
#endif
/*
* Debug
*/
struct hda_dsp_msg_code {
u32 code;
const char *msg;
};
static bool hda_use_msi = IS_ENABLED(CONFIG_PCI);
#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
module_param_named(use_msi, hda_use_msi, bool, 0444);
MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
#endif
static char *hda_model;
module_param(hda_model, charp, 0444);
MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
static int hda_dmic_num = -1;
module_param_named(dmic_num, hda_dmic_num, int, 0444);
MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI);
module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444);
MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver");
#endif
static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = {
{HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"},
{HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"},
{HDA_DSP_ROM_FW_ENTERED, "status: fw entered"},
{HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
{HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
{HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
{HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
{HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
{HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
{HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
{HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
{HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
{HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
{HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
{HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
{HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
{HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
{HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
{HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"},
};
static void hda_dsp_get_status_skl(struct snd_sof_dev *sdev)
{
u32 status;
int i;
status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
HDA_ADSP_FW_STATUS_SKL);
for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
if (status == hda_dsp_rom_msg[i].code) {
dev_err(sdev->dev, "%s - code %8.8x\n",
hda_dsp_rom_msg[i].msg, status);
return;
}
}
/* not for us, must be generic sof message */
dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
}
static void hda_dsp_get_status(struct snd_sof_dev *sdev)
{
u32 status;
int i;
status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
HDA_DSP_SRAM_REG_ROM_STATUS);
for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
if (status == hda_dsp_rom_msg[i].code) {
dev_err(sdev->dev, "%s - code %8.8x\n",
hda_dsp_rom_msg[i].msg, status);
return;
}
}
/* not for us, must be generic sof message */
dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
}
static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
struct sof_ipc_dsp_oops_xtensa *xoops,
struct sof_ipc_panic_info *panic_info,
u32 *stack, size_t stack_words)
{
u32 offset = sdev->dsp_oops_offset;
/* first read registers */
sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
/* note: variable AR register array is not read */
/* then get panic info */
if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
xoops->arch_hdr.totalsize);
return;
}
offset += xoops->arch_hdr.totalsize;
sof_block_read(sdev, sdev->mmio_bar, offset,
panic_info, sizeof(*panic_info));
/* then get the stack */
offset += sizeof(*panic_info);
sof_block_read(sdev, sdev->mmio_bar, offset, stack,
stack_words * sizeof(u32));
}
void hda_dsp_dump_skl(struct snd_sof_dev *sdev, u32 flags)
{
struct sof_ipc_dsp_oops_xtensa xoops;
struct sof_ipc_panic_info panic_info;
u32 stack[HDA_DSP_STACK_DUMP_SIZE];
u32 status, panic;
/* try APL specific status message types first */
hda_dsp_get_status_skl(sdev);
/* now try generic SOF status messages */
status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
HDA_ADSP_ERROR_CODE_SKL);
/*TODO: Check: there is no define in spec, but it is used in the code*/
panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
HDA_ADSP_ERROR_CODE_SKL + 0x4);
if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
HDA_DSP_STACK_DUMP_SIZE);
snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
stack, HDA_DSP_STACK_DUMP_SIZE);
} else {
dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n",
status, panic);
hda_dsp_get_status_skl(sdev);
}
}
void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
{
struct sof_ipc_dsp_oops_xtensa xoops;
struct sof_ipc_panic_info panic_info;
u32 stack[HDA_DSP_STACK_DUMP_SIZE];
u32 status, panic;
/* try APL specific status message types first */
hda_dsp_get_status(sdev);
/* now try generic SOF status messages */
status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
HDA_DSP_SRAM_REG_FW_STATUS);
panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
HDA_DSP_STACK_DUMP_SIZE);
snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
stack, HDA_DSP_STACK_DUMP_SIZE);
} else {
dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n",
status, panic);
hda_dsp_get_status(sdev);
}
}
void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
{
struct hdac_bus *bus = sof_to_bus(sdev);
u32 adspis;
u32 intsts;
u32 intctl;
u32 ppsts;
u8 rirbsts;
/* read key IRQ stats and config registers */
adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
rirbsts = snd_hdac_chip_readb(bus, RIRBSTS);
dev_err(sdev->dev,
"error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
intsts, intctl, rirbsts);
dev_err(sdev->dev,
"error: dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n",
ppsts, adspis);
}
void hda_ipc_dump(struct snd_sof_dev *sdev)
{
u32 hipcie;
u32 hipct;
u32 hipcctl;
hda_ipc_irq_dump(sdev);
/* read IPC status */
hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
/* 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",
hipcie, hipct, hipcctl);
}
static int hda_init(struct snd_sof_dev *sdev)
{
struct hda_bus *hbus;
struct hdac_bus *bus;
struct pci_dev *pci = to_pci_dev(sdev->dev);
int ret;
hbus = sof_to_hbus(sdev);
bus = sof_to_bus(sdev);
/* HDA bus init */
sof_hda_bus_init(bus, &pci->dev);
bus->use_posbuf = 1;
bus->bdl_pos_adj = 0;
bus->sync_write = 1;
mutex_init(&hbus->prepare_mutex);
hbus->pci = pci;
hbus->mixer_assigned = -1;
hbus->modelname = hda_model;
/* initialise hdac bus */
bus->addr = pci_resource_start(pci, 0);
#if IS_ENABLED(CONFIG_PCI)
bus->remap_addr = pci_ioremap_bar(pci, 0);
#endif
if (!bus->remap_addr) {
dev_err(bus->dev, "error: ioremap error\n");
return -ENXIO;
}
/* HDA base */
sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
/* init i915 and HDMI codecs */
ret = hda_codec_i915_init(sdev);
if (ret < 0)
dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n");
/* get controller capabilities */
ret = hda_dsp_ctrl_get_caps(sdev);
if (ret < 0)
dev_err(sdev->dev, "error: get caps error\n");
return ret;
}
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
static int check_nhlt_dmic(struct snd_sof_dev *sdev)
{
struct nhlt_acpi_table *nhlt;
int dmic_num;
nhlt = intel_nhlt_init(sdev->dev);
if (nhlt) {
dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
intel_nhlt_free(nhlt);
if (dmic_num == 2 || dmic_num == 4)
return dmic_num;
}
return 0;
}
static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
const char *sof_tplg_filename,
const char *idisp_str,
const char *dmic_str)
{
const char *tplg_filename = NULL;
char *filename;
char *split_ext;
filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL);
if (!filename)
return NULL;
/* this assumes a .tplg extension */
split_ext = strsep(&filename, ".");
if (split_ext) {
tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
"%s%s%s.tplg",
split_ext, idisp_str, dmic_str);
if (!tplg_filename)
return NULL;
}
return tplg_filename;
}
#endif
static int hda_init_caps(struct snd_sof_dev *sdev)
{
struct hdac_bus *bus = sof_to_bus(sdev);
struct snd_sof_pdata *pdata = sdev->pdata;
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
struct hdac_ext_link *hlink;
#endif
struct sof_intel_hda_dev *hdev = pdata->hw_pdata;
u32 link_mask;
int ret = 0;
device_disable_async_suspend(bus->dev);
/* check if dsp is there */
if (bus->ppcap)
dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
/* Init HDA controller after i915 init */
ret = hda_dsp_ctrl_init_chip(sdev, true);
if (ret < 0) {
dev_err(bus->dev, "error: init chip failed with ret: %d\n",
ret);
return ret;
}
/* scan SoundWire capabilities exposed by DSDT */
ret = hda_sdw_acpi_scan(sdev);
if (ret < 0) {
dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n");
goto skip_soundwire;
}
link_mask = hdev->info.link_mask;
if (!link_mask) {
dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n");
goto skip_soundwire;
}
/*
* probe/allocate SoundWire resources.
* The hardware configuration takes place in hda_sdw_startup
* after power rails are enabled.
* It's entirely possible to have a mix of I2S/DMIC/SoundWire
* devices, so we allocate the resources in all cases.
*/
ret = hda_sdw_probe(sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: SoundWire probe error\n");
return ret;
}
skip_soundwire:
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
if (bus->mlcap)
snd_hdac_ext_bus_get_ml_capabilities(bus);
/* create codec instances */
hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi);
if (!HDA_IDISP_CODEC(bus->codec_mask))
hda_codec_i915_display_power(sdev, false);
/*
* we are done probing so decrement link counts
*/
list_for_each_entry(hlink, &bus->hlink_list, list)
snd_hdac_ext_bus_link_put(bus, hlink);
#endif
return 0;
}
static const struct sof_intel_dsp_desc
*get_chip_info(struct snd_sof_pdata *pdata)
{
const struct sof_dev_desc *desc = pdata->desc;
const struct sof_intel_dsp_desc *chip_info;
chip_info = desc->chip_info;
return chip_info;
}
static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
{
struct snd_sof_dev *sdev = context;
/*
* Get global interrupt status. It includes all hardware interrupt
* sources in the Intel HD Audio controller.
*/
if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
SOF_HDA_INTSTS_GIS) {
/* disable GIE interrupt */
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
SOF_HDA_INTCTL,
SOF_HDA_INT_GLOBAL_EN,
0);
return IRQ_WAKE_THREAD;
}
return IRQ_NONE;
}
static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
{
struct snd_sof_dev *sdev = context;
struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
/* deal with streams and controller first */
if (hda_dsp_check_stream_irq(sdev))
hda_dsp_stream_threaded_handler(irq, sdev);
if (hda_dsp_check_ipc_irq(sdev))
sof_ops(sdev)->irq_thread(irq, sdev);
if (hda_dsp_check_sdw_irq(sdev))
hda_dsp_sdw_thread(irq, hdev->sdw);
if (hda_sdw_check_wakeen_irq(sdev))
hda_sdw_process_wakeen(sdev);
/* enable GIE interrupt */
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
SOF_HDA_INTCTL,
SOF_HDA_INT_GLOBAL_EN,
SOF_HDA_INT_GLOBAL_EN);
return IRQ_HANDLED;
}
int hda_dsp_probe(struct snd_sof_dev *sdev)
{
struct pci_dev *pci = to_pci_dev(sdev->dev);
struct sof_intel_hda_dev *hdev;
struct hdac_bus *bus;
const struct sof_intel_dsp_desc *chip;
int ret = 0;
/*
* detect DSP by checking class/subclass/prog-id information
* class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
* class=04 subclass 01 prog-if 00: DSP is present
* (and may be required e.g. for DMIC or SSP support)
* class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
*/
if (pci->class == 0x040300) {
dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n");
return -ENODEV;
} else if (pci->class != 0x040100 && pci->class != 0x040380) {
dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class);
return -ENODEV;
}
dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class);
chip = get_chip_info(sdev->pdata);
if (!chip) {
dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
pci->device);
ret = -EIO;
goto err;
}
hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
if (!hdev)
return -ENOMEM;
sdev->pdata->hw_pdata = hdev;
hdev->desc = chip;
hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
PLATFORM_DEVID_NONE,
NULL, 0);
if (IS_ERR(hdev->dmic_dev)) {
dev_err(sdev->dev, "error: failed to create DMIC device\n");
return PTR_ERR(hdev->dmic_dev);
}
/*
* use position update IPC if either it is forced
* or we don't have other choice
*/
#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
hdev->no_ipc_position = 0;
#else
hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
#endif
/* set up HDA base */
bus = sof_to_bus(sdev);
ret = hda_init(sdev);
if (ret < 0)
goto hdac_bus_unmap;
/* DSP base */
#if IS_ENABLED(CONFIG_PCI)
sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
#endif
if (!sdev->bar[HDA_DSP_BAR]) {
dev_err(sdev->dev, "error: ioremap error\n");
ret = -ENXIO;
goto hdac_bus_unmap;
}
sdev->mmio_bar = HDA_DSP_BAR;
sdev->mailbox_bar = HDA_DSP_BAR;
/* allow 64bit DMA address if supported by H/W */
if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(64))) {
dev_dbg(sdev->dev, "DMA mask is 64 bit\n");
dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(64));
} else {
dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
}
/* init streams */
ret = hda_dsp_stream_init(sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: failed to init streams\n");
/*
* not all errors are due to memory issues, but trying
* to free everything does not harm
*/
goto free_streams;
}
/*
* register our IRQ
* let's try to enable msi firstly
* if it fails, use legacy interrupt mode
* TODO: support msi multiple vectors
*/
if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
dev_info(sdev->dev, "use msi interrupt mode\n");
sdev->ipc_irq = pci_irq_vector(pci, 0);
/* initialised to "false" by kzalloc() */
sdev->msi_enabled = true;
}
if (!sdev->msi_enabled) {
dev_info(sdev->dev, "use legacy interrupt mode\n");
/*
* in IO-APIC mode, hda->irq and ipc_irq are using the same
* irq number of pci->irq
*/
sdev->ipc_irq = pci->irq;
}
dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
hda_dsp_interrupt_thread,
IRQF_SHARED, "AudioDSP", sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
sdev->ipc_irq);
goto free_irq_vector;
}
pci_set_master(pci);
synchronize_irq(pci->irq);
/*
* clear TCSEL to clear playback on some HD Audio
* codecs. PCI TCSEL is defined in the Intel manuals.
*/
snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
/* init HDA capabilities */
ret = hda_init_caps(sdev);
if (ret < 0)
goto free_ipc_irq;
/* enable ppcap interrupt */
hda_dsp_ctrl_ppcap_enable(sdev, true);
hda_dsp_ctrl_ppcap_int_enable(sdev, true);
/* set default mailbox offset for FW ready message */
sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work);
return 0;
free_ipc_irq:
free_irq(sdev->ipc_irq, sdev);
free_irq_vector:
if (sdev->msi_enabled)
pci_free_irq_vectors(pci);
free_streams:
hda_dsp_stream_free(sdev);
/* dsp_unmap: not currently used */
iounmap(sdev->bar[HDA_DSP_BAR]);
hdac_bus_unmap:
iounmap(bus->remap_addr);
hda_codec_i915_exit(sdev);
err:
return ret;
}
int hda_dsp_remove(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
struct hdac_bus *bus = sof_to_bus(sdev);
struct pci_dev *pci = to_pci_dev(sdev->dev);
const struct sof_intel_dsp_desc *chip = hda->desc;
/* cancel any attempt for DSP D0I3 */
cancel_delayed_work_sync(&hda->d0i3_work);
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
/* codec removal, invoke bus_device_remove */
snd_hdac_ext_bus_device_remove(bus);
#endif
hda_sdw_exit(sdev);
if (!IS_ERR_OR_NULL(hda->dmic_dev))
platform_device_unregister(hda->dmic_dev);
/* disable DSP IRQ */
snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
SOF_HDA_PPCTL_PIE, 0);
/* disable CIE and GIE interrupts */
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
/* disable cores */
if (chip)
hda_dsp_core_reset_power_down(sdev, chip->cores_mask);
/* disable DSP */
snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
SOF_HDA_PPCTL_GPROCEN, 0);
free_irq(sdev->ipc_irq, sdev);
if (sdev->msi_enabled)
pci_free_irq_vectors(pci);
hda_dsp_stream_free(sdev);
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
snd_hdac_link_free_all(bus);
#endif
iounmap(sdev->bar[HDA_DSP_BAR]);
iounmap(bus->remap_addr);
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
snd_hdac_ext_bus_exit(bus);
#endif
hda_codec_i915_exit(sdev);
return 0;
}
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
static int hda_generic_machine_select(struct snd_sof_dev *sdev)
{
struct hdac_bus *bus = sof_to_bus(sdev);
struct snd_soc_acpi_mach_params *mach_params;
struct snd_soc_acpi_mach *hda_mach;
struct snd_sof_pdata *pdata = sdev->pdata;
const char *tplg_filename;
const char *idisp_str;
const char *dmic_str;
int dmic_num = 0;
int codec_num = 0;
int i;
/* codec detection */
if (!bus->codec_mask) {
dev_info(bus->dev, "no hda codecs found!\n");
} else {
dev_info(bus->dev, "hda codecs found, mask %lx\n",
bus->codec_mask);
for (i = 0; i < HDA_MAX_CODECS; i++) {
if (bus->codec_mask & (1 << i))
codec_num++;
}
/*
* If no machine driver is found, then:
*
* generic hda machine driver can handle:
* - one HDMI codec, and/or
* - one external HDAudio codec
*/
if (!pdata->machine && codec_num <= 2) {
hda_mach = snd_soc_acpi_intel_hda_machines;
/* topology: use the info from hda_machines */
pdata->tplg_filename =
hda_mach->sof_tplg_filename;
dev_info(bus->dev, "using HDA machine driver %s now\n",
hda_mach->drv_name);
if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask))
idisp_str = "-idisp";
else
idisp_str = "";
/* first check NHLT for DMICs */
dmic_num = check_nhlt_dmic(sdev);
/* allow for module parameter override */
if (hda_dmic_num != -1)
dmic_num = hda_dmic_num;
switch (dmic_num) {
case 2:
dmic_str = "-2ch";
break;
case 4:
dmic_str = "-4ch";
break;
default:
dmic_num = 0;
dmic_str = "";
break;
}
tplg_filename = pdata->tplg_filename;
tplg_filename = fixup_tplg_name(sdev, tplg_filename,
idisp_str, dmic_str);
if (!tplg_filename)
return -EINVAL;
dev_info(bus->dev,
"DMICs detected in NHLT tables: %d\n",
dmic_num);
pdata->machine = hda_mach;
pdata->tplg_filename = tplg_filename;
}
}
/* used by hda machine driver to create dai links */
if (pdata->machine) {
mach_params = (struct snd_soc_acpi_mach_params *)
&pdata->machine->mach_params;
mach_params->codec_mask = bus->codec_mask;
mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi;
mach_params->dmic_num = dmic_num;
}
return 0;
}
#else
static int hda_generic_machine_select(struct snd_sof_dev *sdev)
{
return 0;
}
#endif
#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
/* Check if all Slaves defined on the link can be found */
static bool link_slaves_found(struct snd_sof_dev *sdev,
const struct snd_soc_acpi_link_adr *link,
struct sdw_intel_ctx *sdw)
{
struct hdac_bus *bus = sof_to_bus(sdev);
struct sdw_intel_slave_id *ids = sdw->ids;
int num_slaves = sdw->num_slaves;
unsigned int part_id, link_id, unique_id, mfg_id;
int i, j;
for (i = 0; i < link->num_adr; i++) {
u64 adr = link->adr_d[i].adr;
mfg_id = SDW_MFG_ID(adr);
part_id = SDW_PART_ID(adr);
link_id = SDW_DISCO_LINK_ID(adr);
for (j = 0; j < num_slaves; j++) {
if (ids[j].link_id != link_id ||
ids[j].id.part_id != part_id ||
ids[j].id.mfg_id != mfg_id)
continue;
/*
* we have to check unique id
* if there is more than one
* Slave on the link
*/
unique_id = SDW_UNIQUE_ID(adr);
if (link->num_adr == 1 ||
ids[j].id.unique_id == SDW_IGNORED_UNIQUE_ID ||
ids[j].id.unique_id == unique_id) {
dev_dbg(bus->dev,
"found %x at link %d\n",
part_id, link_id);
break;
}
}
if (j == num_slaves) {
dev_dbg(bus->dev,
"Slave %x not found\n",
part_id);
return false;
}
}
return true;
}
static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
{
struct snd_sof_pdata *pdata = sdev->pdata;
const struct snd_soc_acpi_link_adr *link;
struct hdac_bus *bus = sof_to_bus(sdev);
struct snd_soc_acpi_mach *mach;
struct sof_intel_hda_dev *hdev;
u32 link_mask;
int i;
hdev = pdata->hw_pdata;
link_mask = hdev->info.link_mask;
/*
* Select SoundWire machine driver if needed using the
* alternate tables. This case deals with SoundWire-only
* machines, for mixed cases with I2C/I2S the detection relies
* on the HID list.
*/
if (link_mask && !pdata->machine) {
for (mach = pdata->desc->alt_machines;
mach && mach->link_mask; mach++) {
/*
* On some platforms such as Up Extreme all links
* are enabled but only one link can be used by
* external codec. Instead of exact match of two masks,
* first check whether link_mask of mach is subset of
* link_mask supported by hw and then go on searching
* link_adr
*/
if (~link_mask & mach->link_mask)
continue;
/* No need to match adr if there is no links defined */
if (!mach->links)
break;
link = mach->links;
for (i = 0; i < hdev->info.count && link->num_adr;
i++, link++) {
/*
* Try next machine if any expected Slaves
* are not found on this link.
*/
if (!link_slaves_found(sdev, link, hdev->sdw))
break;
}
/* Found if all Slaves are checked */
if (i == hdev->info.count || !link->num_adr)
break;
}
if (mach && mach->link_mask) {
dev_dbg(bus->dev,
"SoundWire machine driver %s topology %s\n",
mach->drv_name,
mach->sof_tplg_filename);
pdata->machine = mach;
mach->mach_params.links = mach->links;
mach->mach_params.link_mask = mach->link_mask;
mach->mach_params.platform = dev_name(sdev->dev);
pdata->fw_filename = mach->sof_fw_filename;
pdata->tplg_filename = mach->sof_tplg_filename;
} else {
dev_info(sdev->dev,
"No SoundWire machine driver found\n");
}
}
return 0;
}
#else
static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
{
return 0;
}
#endif
void hda_set_mach_params(const struct snd_soc_acpi_mach *mach,
struct device *dev)
{
struct snd_soc_acpi_mach_params *mach_params;
mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params;
mach_params->platform = dev_name(dev);
}
void hda_machine_select(struct snd_sof_dev *sdev)
{
struct snd_sof_pdata *sof_pdata = sdev->pdata;
const struct sof_dev_desc *desc = sof_pdata->desc;
struct snd_soc_acpi_mach *mach;
mach = snd_soc_acpi_find_machine(desc->machines);
if (mach) {
sof_pdata->tplg_filename = mach->sof_tplg_filename;
sof_pdata->machine = mach;
if (mach->link_mask) {
mach->mach_params.links = mach->links;
mach->mach_params.link_mask = mach->link_mask;
}
}
/*
* If I2S fails, try SoundWire
*/
hda_sdw_machine_select(sdev);
/*
* Choose HDA generic machine driver if mach is NULL.
* Otherwise, set certain mach params.
*/
hda_generic_machine_select(sdev);
if (!sof_pdata->machine)
dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
}
MODULE_LICENSE("Dual BSD/GPL");
MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
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