1045 lines
24 KiB
C
1045 lines
24 KiB
C
/*
|
|
* skl.c - Implementation of ASoC Intel SKL HD Audio driver
|
|
*
|
|
* Copyright (C) 2014-2015 Intel Corp
|
|
* Author: Jeeja KP <jeeja.kp@intel.com>
|
|
*
|
|
* Derived mostly from Intel HDA driver with following copyrights:
|
|
* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
|
|
* PeiSen Hou <pshou@realtek.com.tw>
|
|
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* 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/pci.h>
|
|
#include <linux/pm_runtime.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/firmware.h>
|
|
#include <linux/delay.h>
|
|
#include <sound/pcm.h>
|
|
#include "../common/sst-acpi.h"
|
|
#include <sound/hda_register.h>
|
|
#include <sound/hdaudio.h>
|
|
#include <sound/hda_i915.h>
|
|
#include "skl.h"
|
|
#include "skl-sst-dsp.h"
|
|
#include "skl-sst-ipc.h"
|
|
|
|
static struct skl_machine_pdata skl_dmic_data;
|
|
|
|
/*
|
|
* initialize the PCI registers
|
|
*/
|
|
static void skl_update_pci_byte(struct pci_dev *pci, unsigned int reg,
|
|
unsigned char mask, unsigned char val)
|
|
{
|
|
unsigned char data;
|
|
|
|
pci_read_config_byte(pci, reg, &data);
|
|
data &= ~mask;
|
|
data |= (val & mask);
|
|
pci_write_config_byte(pci, reg, data);
|
|
}
|
|
|
|
static void skl_init_pci(struct skl *skl)
|
|
{
|
|
struct hdac_ext_bus *ebus = &skl->ebus;
|
|
|
|
/*
|
|
* Clear bits 0-2 of PCI register TCSEL (at offset 0x44)
|
|
* TCSEL == Traffic Class Select Register, which sets PCI express QOS
|
|
* Ensuring these bits are 0 clears playback static on some HD Audio
|
|
* codecs.
|
|
* The PCI register TCSEL is defined in the Intel manuals.
|
|
*/
|
|
dev_dbg(ebus_to_hbus(ebus)->dev, "Clearing TCSEL\n");
|
|
skl_update_pci_byte(skl->pci, AZX_PCIREG_TCSEL, 0x07, 0);
|
|
}
|
|
|
|
static void update_pci_dword(struct pci_dev *pci,
|
|
unsigned int reg, u32 mask, u32 val)
|
|
{
|
|
u32 data = 0;
|
|
|
|
pci_read_config_dword(pci, reg, &data);
|
|
data &= ~mask;
|
|
data |= (val & mask);
|
|
pci_write_config_dword(pci, reg, data);
|
|
}
|
|
|
|
/*
|
|
* skl_enable_miscbdcge - enable/dsiable CGCTL.MISCBDCGE bits
|
|
*
|
|
* @dev: device pointer
|
|
* @enable: enable/disable flag
|
|
*/
|
|
static void skl_enable_miscbdcge(struct device *dev, bool enable)
|
|
{
|
|
struct pci_dev *pci = to_pci_dev(dev);
|
|
u32 val;
|
|
|
|
val = enable ? AZX_CGCTL_MISCBDCGE_MASK : 0;
|
|
|
|
update_pci_dword(pci, AZX_PCIREG_CGCTL, AZX_CGCTL_MISCBDCGE_MASK, val);
|
|
}
|
|
|
|
/*
|
|
* While performing reset, controller may not come back properly causing
|
|
* issues, so recommendation is to set CGCTL.MISCBDCGE to 0 then do reset
|
|
* (init chip) and then again set CGCTL.MISCBDCGE to 1
|
|
*/
|
|
static int skl_init_chip(struct hdac_bus *bus, bool full_reset)
|
|
{
|
|
int ret;
|
|
|
|
skl_enable_miscbdcge(bus->dev, false);
|
|
ret = snd_hdac_bus_init_chip(bus, full_reset);
|
|
skl_enable_miscbdcge(bus->dev, true);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void skl_update_d0i3c(struct device *dev, bool enable)
|
|
{
|
|
struct pci_dev *pci = to_pci_dev(dev);
|
|
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
u8 reg;
|
|
int timeout = 50;
|
|
|
|
reg = snd_hdac_chip_readb(bus, VS_D0I3C);
|
|
/* Do not write to D0I3C until command in progress bit is cleared */
|
|
while ((reg & AZX_REG_VS_D0I3C_CIP) && --timeout) {
|
|
udelay(10);
|
|
reg = snd_hdac_chip_readb(bus, VS_D0I3C);
|
|
}
|
|
|
|
/* Highly unlikely. But if it happens, flag error explicitly */
|
|
if (!timeout) {
|
|
dev_err(bus->dev, "Before D0I3C update: D0I3C CIP timeout\n");
|
|
return;
|
|
}
|
|
|
|
if (enable)
|
|
reg = reg | AZX_REG_VS_D0I3C_I3;
|
|
else
|
|
reg = reg & (~AZX_REG_VS_D0I3C_I3);
|
|
|
|
snd_hdac_chip_writeb(bus, VS_D0I3C, reg);
|
|
|
|
timeout = 50;
|
|
/* Wait for cmd in progress to be cleared before exiting the function */
|
|
reg = snd_hdac_chip_readb(bus, VS_D0I3C);
|
|
while ((reg & AZX_REG_VS_D0I3C_CIP) && --timeout) {
|
|
udelay(10);
|
|
reg = snd_hdac_chip_readb(bus, VS_D0I3C);
|
|
}
|
|
|
|
/* Highly unlikely. But if it happens, flag error explicitly */
|
|
if (!timeout) {
|
|
dev_err(bus->dev, "After D0I3C update: D0I3C CIP timeout\n");
|
|
return;
|
|
}
|
|
|
|
dev_dbg(bus->dev, "D0I3C register = 0x%x\n",
|
|
snd_hdac_chip_readb(bus, VS_D0I3C));
|
|
}
|
|
|
|
/* called from IRQ */
|
|
static void skl_stream_update(struct hdac_bus *bus, struct hdac_stream *hstr)
|
|
{
|
|
snd_pcm_period_elapsed(hstr->substream);
|
|
}
|
|
|
|
static irqreturn_t skl_interrupt(int irq, void *dev_id)
|
|
{
|
|
struct hdac_ext_bus *ebus = dev_id;
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
u32 status;
|
|
|
|
if (!pm_runtime_active(bus->dev))
|
|
return IRQ_NONE;
|
|
|
|
spin_lock(&bus->reg_lock);
|
|
|
|
status = snd_hdac_chip_readl(bus, INTSTS);
|
|
if (status == 0 || status == 0xffffffff) {
|
|
spin_unlock(&bus->reg_lock);
|
|
return IRQ_NONE;
|
|
}
|
|
|
|
/* clear rirb int */
|
|
status = snd_hdac_chip_readb(bus, RIRBSTS);
|
|
if (status & RIRB_INT_MASK) {
|
|
if (status & RIRB_INT_RESPONSE)
|
|
snd_hdac_bus_update_rirb(bus);
|
|
snd_hdac_chip_writeb(bus, RIRBSTS, RIRB_INT_MASK);
|
|
}
|
|
|
|
spin_unlock(&bus->reg_lock);
|
|
|
|
return snd_hdac_chip_readl(bus, INTSTS) ? IRQ_WAKE_THREAD : IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t skl_threaded_handler(int irq, void *dev_id)
|
|
{
|
|
struct hdac_ext_bus *ebus = dev_id;
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
u32 status;
|
|
|
|
status = snd_hdac_chip_readl(bus, INTSTS);
|
|
|
|
snd_hdac_bus_handle_stream_irq(bus, status, skl_stream_update);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int skl_acquire_irq(struct hdac_ext_bus *ebus, int do_disconnect)
|
|
{
|
|
struct skl *skl = ebus_to_skl(ebus);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
int ret;
|
|
|
|
ret = request_threaded_irq(skl->pci->irq, skl_interrupt,
|
|
skl_threaded_handler,
|
|
IRQF_SHARED,
|
|
KBUILD_MODNAME, ebus);
|
|
if (ret) {
|
|
dev_err(bus->dev,
|
|
"unable to grab IRQ %d, disabling device\n",
|
|
skl->pci->irq);
|
|
return ret;
|
|
}
|
|
|
|
bus->irq = skl->pci->irq;
|
|
pci_intx(skl->pci, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int skl_suspend_late(struct device *dev)
|
|
{
|
|
struct pci_dev *pci = to_pci_dev(dev);
|
|
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
|
|
struct skl *skl = ebus_to_skl(ebus);
|
|
|
|
return skl_suspend_late_dsp(skl);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int _skl_suspend(struct hdac_ext_bus *ebus)
|
|
{
|
|
struct skl *skl = ebus_to_skl(ebus);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
struct pci_dev *pci = to_pci_dev(bus->dev);
|
|
int ret;
|
|
|
|
snd_hdac_ext_bus_link_power_down_all(ebus);
|
|
|
|
ret = skl_suspend_dsp(skl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
snd_hdac_bus_stop_chip(bus);
|
|
update_pci_dword(pci, AZX_PCIREG_PGCTL,
|
|
AZX_PGCTL_LSRMD_MASK, AZX_PGCTL_LSRMD_MASK);
|
|
skl_enable_miscbdcge(bus->dev, false);
|
|
snd_hdac_bus_enter_link_reset(bus);
|
|
skl_enable_miscbdcge(bus->dev, true);
|
|
skl_cleanup_resources(skl);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int _skl_resume(struct hdac_ext_bus *ebus)
|
|
{
|
|
struct skl *skl = ebus_to_skl(ebus);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
|
|
skl_init_pci(skl);
|
|
skl_init_chip(bus, true);
|
|
|
|
return skl_resume_dsp(skl);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
/*
|
|
* power management
|
|
*/
|
|
static int skl_suspend(struct device *dev)
|
|
{
|
|
struct pci_dev *pci = to_pci_dev(dev);
|
|
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
|
|
struct skl *skl = ebus_to_skl(ebus);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
int ret = 0;
|
|
|
|
/*
|
|
* Do not suspend if streams which are marked ignore suspend are
|
|
* running, we need to save the state for these and continue
|
|
*/
|
|
if (skl->supend_active) {
|
|
/* turn off the links and stop the CORB/RIRB DMA if it is On */
|
|
snd_hdac_ext_bus_link_power_down_all(ebus);
|
|
|
|
if (ebus->cmd_dma_state)
|
|
snd_hdac_bus_stop_cmd_io(&ebus->bus);
|
|
|
|
enable_irq_wake(bus->irq);
|
|
pci_save_state(pci);
|
|
} else {
|
|
ret = _skl_suspend(ebus);
|
|
if (ret < 0)
|
|
return ret;
|
|
skl->skl_sst->fw_loaded = false;
|
|
}
|
|
|
|
if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) {
|
|
ret = snd_hdac_display_power(bus, false);
|
|
if (ret < 0)
|
|
dev_err(bus->dev,
|
|
"Cannot turn OFF display power on i915\n");
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int skl_resume(struct device *dev)
|
|
{
|
|
struct pci_dev *pci = to_pci_dev(dev);
|
|
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
|
|
struct skl *skl = ebus_to_skl(ebus);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
struct hdac_ext_link *hlink = NULL;
|
|
int ret;
|
|
|
|
/* Turned OFF in HDMI codec driver after codec reconfiguration */
|
|
if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) {
|
|
ret = snd_hdac_display_power(bus, true);
|
|
if (ret < 0) {
|
|
dev_err(bus->dev,
|
|
"Cannot turn on display power on i915\n");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* resume only when we are not in suspend active, otherwise need to
|
|
* restore the device
|
|
*/
|
|
if (skl->supend_active) {
|
|
pci_restore_state(pci);
|
|
snd_hdac_ext_bus_link_power_up_all(ebus);
|
|
disable_irq_wake(bus->irq);
|
|
/*
|
|
* turn On the links which are On before active suspend
|
|
* and start the CORB/RIRB DMA if On before
|
|
* active suspend.
|
|
*/
|
|
list_for_each_entry(hlink, &ebus->hlink_list, list) {
|
|
if (hlink->ref_count)
|
|
snd_hdac_ext_bus_link_power_up(hlink);
|
|
}
|
|
|
|
if (ebus->cmd_dma_state)
|
|
snd_hdac_bus_init_cmd_io(&ebus->bus);
|
|
} else {
|
|
ret = _skl_resume(ebus);
|
|
|
|
/* turn off the links which are off before suspend */
|
|
list_for_each_entry(hlink, &ebus->hlink_list, list) {
|
|
if (!hlink->ref_count)
|
|
snd_hdac_ext_bus_link_power_down(hlink);
|
|
}
|
|
|
|
if (!ebus->cmd_dma_state)
|
|
snd_hdac_bus_stop_cmd_io(&ebus->bus);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif /* CONFIG_PM_SLEEP */
|
|
|
|
#ifdef CONFIG_PM
|
|
static int skl_runtime_suspend(struct device *dev)
|
|
{
|
|
struct pci_dev *pci = to_pci_dev(dev);
|
|
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
|
|
dev_dbg(bus->dev, "in %s\n", __func__);
|
|
|
|
return _skl_suspend(ebus);
|
|
}
|
|
|
|
static int skl_runtime_resume(struct device *dev)
|
|
{
|
|
struct pci_dev *pci = to_pci_dev(dev);
|
|
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
|
|
dev_dbg(bus->dev, "in %s\n", __func__);
|
|
|
|
return _skl_resume(ebus);
|
|
}
|
|
#endif /* CONFIG_PM */
|
|
|
|
static const struct dev_pm_ops skl_pm = {
|
|
SET_SYSTEM_SLEEP_PM_OPS(skl_suspend, skl_resume)
|
|
SET_RUNTIME_PM_OPS(skl_runtime_suspend, skl_runtime_resume, NULL)
|
|
.suspend_late = skl_suspend_late,
|
|
};
|
|
|
|
/*
|
|
* destructor
|
|
*/
|
|
static int skl_free(struct hdac_ext_bus *ebus)
|
|
{
|
|
struct skl *skl = ebus_to_skl(ebus);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
|
|
skl->init_done = 0; /* to be sure */
|
|
|
|
snd_hdac_ext_stop_streams(ebus);
|
|
|
|
if (bus->irq >= 0)
|
|
free_irq(bus->irq, (void *)ebus);
|
|
snd_hdac_bus_free_stream_pages(bus);
|
|
snd_hdac_stream_free_all(ebus);
|
|
snd_hdac_link_free_all(ebus);
|
|
|
|
if (bus->remap_addr)
|
|
iounmap(bus->remap_addr);
|
|
|
|
pci_release_regions(skl->pci);
|
|
pci_disable_device(skl->pci);
|
|
|
|
snd_hdac_ext_bus_exit(ebus);
|
|
|
|
cancel_work_sync(&skl->probe_work);
|
|
if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI))
|
|
snd_hdac_i915_exit(&ebus->bus);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int skl_machine_device_register(struct skl *skl, void *driver_data)
|
|
{
|
|
struct hdac_bus *bus = ebus_to_hbus(&skl->ebus);
|
|
struct platform_device *pdev;
|
|
struct sst_acpi_mach *mach = driver_data;
|
|
int ret;
|
|
|
|
mach = sst_acpi_find_machine(mach);
|
|
if (mach == NULL) {
|
|
dev_err(bus->dev, "No matching machine driver found\n");
|
|
return -ENODEV;
|
|
}
|
|
skl->fw_name = mach->fw_filename;
|
|
|
|
pdev = platform_device_alloc(mach->drv_name, -1);
|
|
if (pdev == NULL) {
|
|
dev_err(bus->dev, "platform device alloc failed\n");
|
|
return -EIO;
|
|
}
|
|
|
|
ret = platform_device_add(pdev);
|
|
if (ret) {
|
|
dev_err(bus->dev, "failed to add machine device\n");
|
|
platform_device_put(pdev);
|
|
return -EIO;
|
|
}
|
|
|
|
if (mach->pdata)
|
|
dev_set_drvdata(&pdev->dev, mach->pdata);
|
|
|
|
skl->i2s_dev = pdev;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void skl_machine_device_unregister(struct skl *skl)
|
|
{
|
|
if (skl->i2s_dev)
|
|
platform_device_unregister(skl->i2s_dev);
|
|
}
|
|
|
|
static int skl_dmic_device_register(struct skl *skl)
|
|
{
|
|
struct hdac_bus *bus = ebus_to_hbus(&skl->ebus);
|
|
struct platform_device *pdev;
|
|
int ret;
|
|
|
|
/* SKL has one dmic port, so allocate dmic device for this */
|
|
pdev = platform_device_alloc("dmic-codec", -1);
|
|
if (!pdev) {
|
|
dev_err(bus->dev, "failed to allocate dmic device\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
ret = platform_device_add(pdev);
|
|
if (ret) {
|
|
dev_err(bus->dev, "failed to add dmic device: %d\n", ret);
|
|
platform_device_put(pdev);
|
|
return ret;
|
|
}
|
|
skl->dmic_dev = pdev;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void skl_dmic_device_unregister(struct skl *skl)
|
|
{
|
|
if (skl->dmic_dev)
|
|
platform_device_unregister(skl->dmic_dev);
|
|
}
|
|
|
|
/*
|
|
* Probe the given codec address
|
|
*/
|
|
static int probe_codec(struct hdac_ext_bus *ebus, int addr)
|
|
{
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
|
|
(AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
|
|
unsigned int res = -1;
|
|
|
|
mutex_lock(&bus->cmd_mutex);
|
|
snd_hdac_bus_send_cmd(bus, cmd);
|
|
snd_hdac_bus_get_response(bus, addr, &res);
|
|
mutex_unlock(&bus->cmd_mutex);
|
|
if (res == -1)
|
|
return -EIO;
|
|
dev_dbg(bus->dev, "codec #%d probed OK\n", addr);
|
|
|
|
return snd_hdac_ext_bus_device_init(ebus, addr);
|
|
}
|
|
|
|
/* Codec initialization */
|
|
static void skl_codec_create(struct hdac_ext_bus *ebus)
|
|
{
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
int c, max_slots;
|
|
|
|
max_slots = HDA_MAX_CODECS;
|
|
|
|
/* First try to probe all given codec slots */
|
|
for (c = 0; c < max_slots; c++) {
|
|
if ((bus->codec_mask & (1 << c))) {
|
|
if (probe_codec(ebus, c) < 0) {
|
|
/*
|
|
* Some BIOSen give you wrong codec addresses
|
|
* that don't exist
|
|
*/
|
|
dev_warn(bus->dev,
|
|
"Codec #%d probe error; disabling it...\n", c);
|
|
bus->codec_mask &= ~(1 << c);
|
|
/*
|
|
* More badly, accessing to a non-existing
|
|
* codec often screws up the controller bus,
|
|
* and disturbs the further communications.
|
|
* Thus if an error occurs during probing,
|
|
* better to reset the controller bus to get
|
|
* back to the sanity state.
|
|
*/
|
|
snd_hdac_bus_stop_chip(bus);
|
|
skl_init_chip(bus, true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static const struct hdac_bus_ops bus_core_ops = {
|
|
.command = snd_hdac_bus_send_cmd,
|
|
.get_response = snd_hdac_bus_get_response,
|
|
};
|
|
|
|
static int skl_i915_init(struct hdac_bus *bus)
|
|
{
|
|
int err;
|
|
|
|
/*
|
|
* The HDMI codec is in GPU so we need to ensure that it is powered
|
|
* up and ready for probe
|
|
*/
|
|
err = snd_hdac_i915_init(bus);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = snd_hdac_display_power(bus, true);
|
|
if (err < 0)
|
|
dev_err(bus->dev, "Cannot turn on display power on i915\n");
|
|
|
|
return err;
|
|
}
|
|
|
|
static void skl_probe_work(struct work_struct *work)
|
|
{
|
|
struct skl *skl = container_of(work, struct skl, probe_work);
|
|
struct hdac_ext_bus *ebus = &skl->ebus;
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
struct hdac_ext_link *hlink = NULL;
|
|
int err;
|
|
|
|
if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) {
|
|
err = skl_i915_init(bus);
|
|
if (err < 0)
|
|
return;
|
|
}
|
|
|
|
err = skl_init_chip(bus, true);
|
|
if (err < 0) {
|
|
dev_err(bus->dev, "Init chip failed with err: %d\n", err);
|
|
goto out_err;
|
|
}
|
|
|
|
/* codec detection */
|
|
if (!bus->codec_mask)
|
|
dev_info(bus->dev, "no hda codecs found!\n");
|
|
|
|
/* create codec instances */
|
|
skl_codec_create(ebus);
|
|
|
|
if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) {
|
|
err = snd_hdac_display_power(bus, false);
|
|
if (err < 0) {
|
|
dev_err(bus->dev, "Cannot turn off display power on i915\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* register platform dai and controls */
|
|
err = skl_platform_register(bus->dev);
|
|
if (err < 0)
|
|
return;
|
|
/*
|
|
* we are done probing so decrement link counts
|
|
*/
|
|
list_for_each_entry(hlink, &ebus->hlink_list, list)
|
|
snd_hdac_ext_bus_link_put(ebus, hlink);
|
|
|
|
/* configure PM */
|
|
pm_runtime_put_noidle(bus->dev);
|
|
pm_runtime_allow(bus->dev);
|
|
skl->init_done = 1;
|
|
|
|
return;
|
|
|
|
out_err:
|
|
if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI))
|
|
err = snd_hdac_display_power(bus, false);
|
|
}
|
|
|
|
/*
|
|
* constructor
|
|
*/
|
|
static int skl_create(struct pci_dev *pci,
|
|
const struct hdac_io_ops *io_ops,
|
|
struct skl **rskl)
|
|
{
|
|
struct skl *skl;
|
|
struct hdac_ext_bus *ebus;
|
|
|
|
int err;
|
|
|
|
*rskl = NULL;
|
|
|
|
err = pci_enable_device(pci);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
skl = devm_kzalloc(&pci->dev, sizeof(*skl), GFP_KERNEL);
|
|
if (!skl) {
|
|
pci_disable_device(pci);
|
|
return -ENOMEM;
|
|
}
|
|
ebus = &skl->ebus;
|
|
snd_hdac_ext_bus_init(ebus, &pci->dev, &bus_core_ops, io_ops);
|
|
ebus->bus.use_posbuf = 1;
|
|
skl->pci = pci;
|
|
INIT_WORK(&skl->probe_work, skl_probe_work);
|
|
|
|
ebus->bus.bdl_pos_adj = 0;
|
|
|
|
*rskl = skl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int skl_first_init(struct hdac_ext_bus *ebus)
|
|
{
|
|
struct skl *skl = ebus_to_skl(ebus);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
struct pci_dev *pci = skl->pci;
|
|
int err;
|
|
unsigned short gcap;
|
|
int cp_streams, pb_streams, start_idx;
|
|
|
|
err = pci_request_regions(pci, "Skylake HD audio");
|
|
if (err < 0)
|
|
return err;
|
|
|
|
bus->addr = pci_resource_start(pci, 0);
|
|
bus->remap_addr = pci_ioremap_bar(pci, 0);
|
|
if (bus->remap_addr == NULL) {
|
|
dev_err(bus->dev, "ioremap error\n");
|
|
return -ENXIO;
|
|
}
|
|
|
|
skl_init_chip(bus, true);
|
|
|
|
snd_hdac_bus_parse_capabilities(bus);
|
|
|
|
if (skl_acquire_irq(ebus, 0) < 0)
|
|
return -EBUSY;
|
|
|
|
pci_set_master(pci);
|
|
synchronize_irq(bus->irq);
|
|
|
|
gcap = snd_hdac_chip_readw(bus, GCAP);
|
|
dev_dbg(bus->dev, "chipset global capabilities = 0x%x\n", gcap);
|
|
|
|
/* allow 64bit DMA address if supported by H/W */
|
|
if (!dma_set_mask(bus->dev, DMA_BIT_MASK(64))) {
|
|
dma_set_coherent_mask(bus->dev, DMA_BIT_MASK(64));
|
|
} else {
|
|
dma_set_mask(bus->dev, DMA_BIT_MASK(32));
|
|
dma_set_coherent_mask(bus->dev, DMA_BIT_MASK(32));
|
|
}
|
|
|
|
/* read number of streams from GCAP register */
|
|
cp_streams = (gcap >> 8) & 0x0f;
|
|
pb_streams = (gcap >> 12) & 0x0f;
|
|
|
|
if (!pb_streams && !cp_streams)
|
|
return -EIO;
|
|
|
|
ebus->num_streams = cp_streams + pb_streams;
|
|
|
|
/* initialize streams */
|
|
snd_hdac_ext_stream_init_all
|
|
(ebus, 0, cp_streams, SNDRV_PCM_STREAM_CAPTURE);
|
|
start_idx = cp_streams;
|
|
snd_hdac_ext_stream_init_all
|
|
(ebus, start_idx, pb_streams, SNDRV_PCM_STREAM_PLAYBACK);
|
|
|
|
err = snd_hdac_bus_alloc_stream_pages(bus);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* initialize chip */
|
|
skl_init_pci(skl);
|
|
|
|
return skl_init_chip(bus, true);
|
|
}
|
|
|
|
static int skl_probe(struct pci_dev *pci,
|
|
const struct pci_device_id *pci_id)
|
|
{
|
|
struct skl *skl;
|
|
struct hdac_ext_bus *ebus = NULL;
|
|
struct hdac_bus *bus = NULL;
|
|
int err;
|
|
|
|
/* we use ext core ops, so provide NULL for ops here */
|
|
err = skl_create(pci, NULL, &skl);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
ebus = &skl->ebus;
|
|
bus = ebus_to_hbus(ebus);
|
|
|
|
err = skl_first_init(ebus);
|
|
if (err < 0)
|
|
goto out_free;
|
|
|
|
skl->pci_id = pci->device;
|
|
|
|
device_disable_async_suspend(bus->dev);
|
|
|
|
skl->nhlt = skl_nhlt_init(bus->dev);
|
|
|
|
if (skl->nhlt == NULL) {
|
|
err = -ENODEV;
|
|
goto out_free;
|
|
}
|
|
|
|
err = skl_nhlt_create_sysfs(skl);
|
|
if (err < 0)
|
|
goto out_nhlt_free;
|
|
|
|
skl_nhlt_update_topology_bin(skl);
|
|
|
|
pci_set_drvdata(skl->pci, ebus);
|
|
|
|
skl_dmic_data.dmic_num = skl_get_dmic_geo(skl);
|
|
|
|
/* check if dsp is there */
|
|
if (bus->ppcap) {
|
|
err = skl_machine_device_register(skl,
|
|
(void *)pci_id->driver_data);
|
|
if (err < 0)
|
|
goto out_nhlt_free;
|
|
|
|
err = skl_init_dsp(skl);
|
|
if (err < 0) {
|
|
dev_dbg(bus->dev, "error failed to register dsp\n");
|
|
goto out_mach_free;
|
|
}
|
|
skl->skl_sst->enable_miscbdcge = skl_enable_miscbdcge;
|
|
|
|
}
|
|
if (bus->mlcap)
|
|
snd_hdac_ext_bus_get_ml_capabilities(ebus);
|
|
|
|
snd_hdac_bus_stop_chip(bus);
|
|
|
|
/* create device for soc dmic */
|
|
err = skl_dmic_device_register(skl);
|
|
if (err < 0)
|
|
goto out_dsp_free;
|
|
|
|
schedule_work(&skl->probe_work);
|
|
|
|
return 0;
|
|
|
|
out_dsp_free:
|
|
skl_free_dsp(skl);
|
|
out_mach_free:
|
|
skl_machine_device_unregister(skl);
|
|
out_nhlt_free:
|
|
skl_nhlt_free(skl->nhlt);
|
|
out_free:
|
|
skl_free(ebus);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void skl_shutdown(struct pci_dev *pci)
|
|
{
|
|
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
|
|
struct hdac_bus *bus = ebus_to_hbus(ebus);
|
|
struct hdac_stream *s;
|
|
struct hdac_ext_stream *stream;
|
|
struct skl *skl;
|
|
|
|
if (ebus == NULL)
|
|
return;
|
|
|
|
skl = ebus_to_skl(ebus);
|
|
|
|
if (!skl->init_done)
|
|
return;
|
|
|
|
snd_hdac_ext_stop_streams(ebus);
|
|
list_for_each_entry(s, &bus->stream_list, list) {
|
|
stream = stream_to_hdac_ext_stream(s);
|
|
snd_hdac_ext_stream_decouple(ebus, stream, false);
|
|
}
|
|
|
|
snd_hdac_bus_stop_chip(bus);
|
|
}
|
|
|
|
static void skl_remove(struct pci_dev *pci)
|
|
{
|
|
struct hdac_ext_bus *ebus = pci_get_drvdata(pci);
|
|
struct skl *skl = ebus_to_skl(ebus);
|
|
|
|
release_firmware(skl->tplg);
|
|
|
|
pm_runtime_get_noresume(&pci->dev);
|
|
|
|
/* codec removal, invoke bus_device_remove */
|
|
snd_hdac_ext_bus_device_remove(ebus);
|
|
|
|
skl->debugfs = NULL;
|
|
skl_platform_unregister(&pci->dev);
|
|
skl_free_dsp(skl);
|
|
skl_machine_device_unregister(skl);
|
|
skl_dmic_device_unregister(skl);
|
|
skl_nhlt_remove_sysfs(skl);
|
|
skl_nhlt_free(skl->nhlt);
|
|
skl_free(ebus);
|
|
dev_set_drvdata(&pci->dev, NULL);
|
|
}
|
|
|
|
static struct sst_codecs skl_codecs = {
|
|
.num_codecs = 1,
|
|
.codecs = {"10508825"}
|
|
};
|
|
|
|
static struct sst_codecs kbl_codecs = {
|
|
.num_codecs = 1,
|
|
.codecs = {"10508825"}
|
|
};
|
|
|
|
static struct sst_codecs bxt_codecs = {
|
|
.num_codecs = 1,
|
|
.codecs = {"MX98357A"}
|
|
};
|
|
|
|
static struct sst_codecs kbl_poppy_codecs = {
|
|
.num_codecs = 1,
|
|
.codecs = {"10EC5663"}
|
|
};
|
|
|
|
static struct sst_codecs kbl_5663_5514_codecs = {
|
|
.num_codecs = 2,
|
|
.codecs = {"10EC5663", "10EC5514"}
|
|
};
|
|
|
|
|
|
static struct sst_acpi_mach sst_skl_devdata[] = {
|
|
{
|
|
.id = "INT343A",
|
|
.drv_name = "skl_alc286s_i2s",
|
|
.fw_filename = "intel/dsp_fw_release.bin",
|
|
},
|
|
{
|
|
.id = "INT343B",
|
|
.drv_name = "skl_n88l25_s4567",
|
|
.fw_filename = "intel/dsp_fw_release.bin",
|
|
.machine_quirk = sst_acpi_codec_list,
|
|
.quirk_data = &skl_codecs,
|
|
.pdata = &skl_dmic_data
|
|
},
|
|
{
|
|
.id = "MX98357A",
|
|
.drv_name = "skl_n88l25_m98357a",
|
|
.fw_filename = "intel/dsp_fw_release.bin",
|
|
.machine_quirk = sst_acpi_codec_list,
|
|
.quirk_data = &skl_codecs,
|
|
.pdata = &skl_dmic_data
|
|
},
|
|
{}
|
|
};
|
|
|
|
static struct sst_acpi_mach sst_bxtp_devdata[] = {
|
|
{
|
|
.id = "INT343A",
|
|
.drv_name = "bxt_alc298s_i2s",
|
|
.fw_filename = "intel/dsp_fw_bxtn.bin",
|
|
},
|
|
{
|
|
.id = "DLGS7219",
|
|
.drv_name = "bxt_da7219_max98357a_i2s",
|
|
.fw_filename = "intel/dsp_fw_bxtn.bin",
|
|
.machine_quirk = sst_acpi_codec_list,
|
|
.quirk_data = &bxt_codecs,
|
|
},
|
|
{}
|
|
};
|
|
|
|
static struct sst_acpi_mach sst_kbl_devdata[] = {
|
|
{
|
|
.id = "INT343A",
|
|
.drv_name = "kbl_alc286s_i2s",
|
|
.fw_filename = "intel/dsp_fw_kbl.bin",
|
|
},
|
|
{
|
|
.id = "INT343B",
|
|
.drv_name = "kbl_n88l25_s4567",
|
|
.fw_filename = "intel/dsp_fw_kbl.bin",
|
|
.machine_quirk = sst_acpi_codec_list,
|
|
.quirk_data = &kbl_codecs,
|
|
.pdata = &skl_dmic_data
|
|
},
|
|
{
|
|
.id = "MX98357A",
|
|
.drv_name = "kbl_n88l25_m98357a",
|
|
.fw_filename = "intel/dsp_fw_kbl.bin",
|
|
.machine_quirk = sst_acpi_codec_list,
|
|
.quirk_data = &kbl_codecs,
|
|
.pdata = &skl_dmic_data
|
|
},
|
|
{
|
|
.id = "MX98927",
|
|
.drv_name = "kbl_r5514_5663_max",
|
|
.fw_filename = "intel/dsp_fw_kbl.bin",
|
|
.machine_quirk = sst_acpi_codec_list,
|
|
.quirk_data = &kbl_5663_5514_codecs,
|
|
.pdata = &skl_dmic_data
|
|
},
|
|
{
|
|
.id = "MX98927",
|
|
.drv_name = "kbl_rt5663_m98927",
|
|
.fw_filename = "intel/dsp_fw_kbl.bin",
|
|
.machine_quirk = sst_acpi_codec_list,
|
|
.quirk_data = &kbl_poppy_codecs,
|
|
.pdata = &skl_dmic_data
|
|
},
|
|
{
|
|
.id = "10EC5663",
|
|
.drv_name = "kbl_rt5663",
|
|
.fw_filename = "intel/dsp_fw_kbl.bin",
|
|
},
|
|
|
|
{}
|
|
};
|
|
|
|
static struct sst_acpi_mach sst_glk_devdata[] = {
|
|
{
|
|
.id = "INT343A",
|
|
.drv_name = "glk_alc298s_i2s",
|
|
.fw_filename = "intel/dsp_fw_glk.bin",
|
|
},
|
|
{}
|
|
};
|
|
|
|
static const struct sst_acpi_mach sst_cnl_devdata[] = {
|
|
{
|
|
.id = "INT34C2",
|
|
.drv_name = "cnl_rt274",
|
|
.fw_filename = "intel/dsp_fw_cnl.bin",
|
|
},
|
|
};
|
|
|
|
/* PCI IDs */
|
|
static const struct pci_device_id skl_ids[] = {
|
|
/* Sunrise Point-LP */
|
|
{ PCI_DEVICE(0x8086, 0x9d70),
|
|
.driver_data = (unsigned long)&sst_skl_devdata},
|
|
/* BXT-P */
|
|
{ PCI_DEVICE(0x8086, 0x5a98),
|
|
.driver_data = (unsigned long)&sst_bxtp_devdata},
|
|
/* KBL */
|
|
{ PCI_DEVICE(0x8086, 0x9D71),
|
|
.driver_data = (unsigned long)&sst_kbl_devdata},
|
|
/* GLK */
|
|
{ PCI_DEVICE(0x8086, 0x3198),
|
|
.driver_data = (unsigned long)&sst_glk_devdata},
|
|
/* CNL */
|
|
{ PCI_DEVICE(0x8086, 0x9dc8),
|
|
.driver_data = (unsigned long)&sst_cnl_devdata},
|
|
{ 0, }
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, skl_ids);
|
|
|
|
/* pci_driver definition */
|
|
static struct pci_driver skl_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.id_table = skl_ids,
|
|
.probe = skl_probe,
|
|
.remove = skl_remove,
|
|
.shutdown = skl_shutdown,
|
|
.driver = {
|
|
.pm = &skl_pm,
|
|
},
|
|
};
|
|
module_pci_driver(skl_driver);
|
|
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_DESCRIPTION("Intel Skylake ASoC HDA driver");
|