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Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c130
1 files changed, 50 insertions, 80 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 99fc0917339b..91e71be42fa4 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -46,6 +46,7 @@
#include <sound/initval.h>
#include <sound/hdaudio.h>
#include <sound/hda_i915.h>
+#include <sound/intel-nhlt.h>
#include <linux/vgaarb.h>
#include <linux/vga_switcheroo.h>
#include <linux/firmware.h>
@@ -84,8 +85,6 @@ enum {
#define INTEL_SCH_HDA_DEVC 0x78
#define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11)
-/* Define IN stream 0 FIFO size offset in VIA controller */
-#define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
/* Define VIA HD Audio Device ID*/
#define VIA_HDAC_DEVICE_ID 0x3288
@@ -125,6 +124,7 @@ static char *patch[SNDRV_CARDS];
static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
CONFIG_SND_HDA_INPUT_BEEP_MODE};
#endif
+static bool dmic_detect = IS_ENABLED(CONFIG_SND_HDA_INTEL_DETECT_DMIC);
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
@@ -159,6 +159,8 @@ module_param_array(beep_mode, bool, NULL, 0444);
MODULE_PARM_DESC(beep_mode, "Select HDA Beep registration mode "
"(0=off, 1=on) (default=1).");
#endif
+module_param(dmic_detect, bool, 0444);
+MODULE_PARM_DESC(dmic_detect, "DMIC detect on SKL+ platforms");
#ifdef CONFIG_PM
static int param_set_xint(const char *val, const struct kernel_param *kp);
@@ -267,6 +269,7 @@ enum {
AZX_DRIVER_CTX,
AZX_DRIVER_CTHDA,
AZX_DRIVER_CMEDIA,
+ AZX_DRIVER_ZHAOXIN,
AZX_DRIVER_GENERIC,
AZX_NUM_DRIVERS, /* keep this as last entry */
};
@@ -353,7 +356,7 @@ enum {
*/
#ifdef SUPPORT_VGA_SWITCHEROO
#define use_vga_switcheroo(chip) ((chip)->use_vga_switcheroo)
-#define needs_eld_notify_link(chip) ((chip)->need_eld_notify_link)
+#define needs_eld_notify_link(chip) ((chip)->bus.keep_power)
#else
#define use_vga_switcheroo(chip) 0
#define needs_eld_notify_link(chip) false
@@ -385,6 +388,7 @@ static char *driver_short_names[] = {
[AZX_DRIVER_CTX] = "HDA Creative",
[AZX_DRIVER_CTHDA] = "HDA Creative",
[AZX_DRIVER_CMEDIA] = "HDA C-Media",
+ [AZX_DRIVER_ZHAOXIN] = "HDA Zhaoxin",
[AZX_DRIVER_GENERIC] = "HD-Audio Generic",
};
@@ -811,11 +815,7 @@ static unsigned int azx_via_get_position(struct azx *chip,
mod_dma_pos = le32_to_cpu(*azx_dev->core.posbuf);
mod_dma_pos %= azx_dev->core.period_bytes;
- /* azx_dev->fifo_size can't get FIFO size of in stream.
- * Get from base address + offset.
- */
- fifo_size = readw(azx_bus(chip)->remap_addr +
- VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
+ fifo_size = azx_stream(azx_dev)->fifo_size - 1;
if (azx_dev->insufficient) {
/* Link position never gather than FIFO size */
@@ -1145,7 +1145,7 @@ static int azx_runtime_idle(struct device *dev)
return -EBUSY;
/* ELD notification gets broken when HD-audio bus is off */
- if (needs_eld_notify_link(hda))
+ if (needs_eld_notify_link(chip))
return -EBUSY;
return 0;
@@ -1256,7 +1256,7 @@ static void setup_vga_switcheroo_runtime_pm(struct azx *chip)
struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
struct hda_codec *codec;
- if (hda->use_vga_switcheroo && !hda->need_eld_notify_link) {
+ if (hda->use_vga_switcheroo && !needs_eld_notify_link(chip)) {
list_for_each_codec(codec, &chip->bus)
codec->auto_runtime_pm = 1;
/* reset the power save setup */
@@ -1270,10 +1270,9 @@ static void azx_vs_gpu_bound(struct pci_dev *pci,
{
struct snd_card *card = pci_get_drvdata(pci);
struct azx *chip = card->private_data;
- struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
if (client_id == VGA_SWITCHEROO_DIS)
- hda->need_eld_notify_link = 0;
+ chip->bus.keep_power = 0;
setup_vga_switcheroo_runtime_pm(chip);
}
@@ -1285,7 +1284,7 @@ static void init_vga_switcheroo(struct azx *chip)
dev_info(chip->card->dev,
"Handle vga_switcheroo audio client\n");
hda->use_vga_switcheroo = 1;
- hda->need_eld_notify_link = 1; /* cleared in gpu_bound op */
+ chip->bus.keep_power = 1; /* cleared in either gpu_bound op or codec probe */
chip->driver_caps |= AZX_DCAPS_PM_RUNTIME;
pci_dev_put(p);
}
@@ -1349,9 +1348,9 @@ static int azx_free(struct azx *chip)
}
if (bus->chip_init) {
+ azx_stop_chip(chip);
azx_clear_irq_pending(chip);
azx_stop_all_streams(chip);
- azx_stop_chip(chip);
}
if (bus->irq >= 0)
@@ -1684,7 +1683,6 @@ static int default_bdl_pos_adj(struct azx *chip)
/*
* constructor
*/
-static const struct hdac_io_ops pci_hda_io_ops;
static const struct hda_controller_ops pci_hda_ops;
static int azx_create(struct snd_card *card, struct pci_dev *pci,
@@ -1744,13 +1742,17 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,
else
chip->bdl_pos_adj = bdl_pos_adj[dev];
- err = azx_bus_init(chip, model[dev], &pci_hda_io_ops);
+ err = azx_bus_init(chip, model[dev]);
if (err < 0) {
kfree(hda);
pci_disable_device(pci);
return err;
}
+ /* use the non-cached pages in non-snoop mode */
+ if (!azx_snoop(chip))
+ azx_bus(chip)->dma_type = SNDRV_DMA_TYPE_DEV_UC;
+
/* Workaround for a communication error on CFL (bko#199007) and CNL */
if (IS_CFL(pci) || IS_CNL(pci))
azx_bus(chip)->polling_mode = 1;
@@ -1985,41 +1987,6 @@ static void azx_firmware_cb(const struct firmware *fw, void *context)
}
#endif
-/*
- * HDA controller ops.
- */
-
-/* PCI register access. */
-static void pci_azx_writel(u32 value, u32 __iomem *addr)
-{
- writel(value, addr);
-}
-
-static u32 pci_azx_readl(u32 __iomem *addr)
-{
- return readl(addr);
-}
-
-static void pci_azx_writew(u16 value, u16 __iomem *addr)
-{
- writew(value, addr);
-}
-
-static u16 pci_azx_readw(u16 __iomem *addr)
-{
- return readw(addr);
-}
-
-static void pci_azx_writeb(u8 value, u8 __iomem *addr)
-{
- writeb(value, addr);
-}
-
-static u8 pci_azx_readb(u8 __iomem *addr)
-{
- return readb(addr);
-}
-
static int disable_msi_reset_irq(struct azx *chip)
{
struct hdac_bus *bus = azx_bus(chip);
@@ -2036,24 +2003,6 @@ static int disable_msi_reset_irq(struct azx *chip)
return 0;
}
-/* DMA page allocation helpers. */
-static int dma_alloc_pages(struct hdac_bus *bus,
- int type,
- size_t size,
- struct snd_dma_buffer *buf)
-{
- struct azx *chip = bus_to_azx(bus);
-
- if (!azx_snoop(chip) && type == SNDRV_DMA_TYPE_DEV)
- type = SNDRV_DMA_TYPE_DEV_UC;
- return snd_dma_alloc_pages(type, bus->dev, size, buf);
-}
-
-static void dma_free_pages(struct hdac_bus *bus, struct snd_dma_buffer *buf)
-{
- snd_dma_free_pages(buf);
-}
-
static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
struct vm_area_struct *area)
{
@@ -2065,23 +2014,31 @@ static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
#endif
}
-static const struct hdac_io_ops pci_hda_io_ops = {
- .reg_writel = pci_azx_writel,
- .reg_readl = pci_azx_readl,
- .reg_writew = pci_azx_writew,
- .reg_readw = pci_azx_readw,
- .reg_writeb = pci_azx_writeb,
- .reg_readb = pci_azx_readb,
- .dma_alloc_pages = dma_alloc_pages,
- .dma_free_pages = dma_free_pages,
-};
-
static const struct hda_controller_ops pci_hda_ops = {
.disable_msi_reset_irq = disable_msi_reset_irq,
.pcm_mmap_prepare = pcm_mmap_prepare,
.position_check = azx_position_check,
};
+static int azx_check_dmic(struct pci_dev *pci, struct azx *chip)
+{
+ struct nhlt_acpi_table *nhlt;
+ int ret = 0;
+
+ if (chip->driver_type == AZX_DRIVER_SKL &&
+ pci->class != 0x040300) {
+ nhlt = intel_nhlt_init(&pci->dev);
+ if (nhlt) {
+ if (intel_nhlt_get_dmic_geo(&pci->dev, nhlt)) {
+ ret = -ENODEV;
+ dev_info(&pci->dev, "Digital mics found on Skylake+ platform, aborting probe\n");
+ }
+ intel_nhlt_free(nhlt);
+ }
+ }
+ return ret;
+}
+
static int azx_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
@@ -2112,6 +2069,17 @@ static int azx_probe(struct pci_dev *pci,
card->private_data = chip;
hda = container_of(chip, struct hda_intel, chip);
+ /*
+ * stop probe if digital microphones detected on Skylake+ platform
+ * with the DSP enabled. This is an opt-in behavior defined at build
+ * time or at run-time with a module parameter
+ */
+ if (dmic_detect) {
+ err = azx_check_dmic(pci, chip);
+ if (err < 0)
+ goto out_free;
+ }
+
pci_set_drvdata(pci, card);
err = register_vga_switcheroo(chip);
@@ -2653,6 +2621,8 @@ static const struct pci_device_id azx_ids[] = {
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
.class_mask = 0xffffff,
.driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_HDMI },
+ /* Zhaoxin */
+ { PCI_DEVICE(0x1d17, 0x3288), .driver_data = AZX_DRIVER_ZHAOXIN },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, azx_ids);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.