ALSA: hda: add Intel DSP configuration / probe code

[linux-2.6-block.git] / sound / pci / hda / hda_intel.c

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index e63b871343e59ee02d68e9133faa02b8d9413a32..ca462dd39a486153640bab9f3264447d61d94b6f 100644 (file)
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -46,7 +46,7 @@
 #include <sound/initval.h>
 #include <sound/hdaudio.h>
 #include <sound/hda_i915.h>
-#include <sound/intel-nhlt.h>
+#include <sound/intel-dsp-config.h>
 #include <linux/vgaarb.h>
 #include <linux/vga_switcheroo.h>
 #include <linux/firmware.h>
@@ -124,7 +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);
+static bool dsp_driver = 1;
 
 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
@@ -159,8 +159,9 @@ 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");
+module_param(dsp_driver, bool, 0444);
+MODULE_PARM_DESC(dsp_driver, "Allow DSP driver selection (bypass this driver) "
+                            "(0=off, 1=on) (default=1)");
 
 #ifdef CONFIG_PM
 static int param_set_xint(const char *val, const struct kernel_param *kp);
@@ -2026,25 +2027,6 @@ static const struct hda_controller_ops pci_hda_ops = {
        .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)
 {
@@ -2062,6 +2044,16 @@ static int azx_probe(struct pci_dev *pci,
                return -ENOENT;
        }
 
+       /*
+        * stop probe if another Intel's DSP driver should be activated
+        */
+       if (dsp_driver) {
+               err = snd_intel_dsp_driver_probe(pci);
+               if (err != SND_INTEL_DSP_DRIVER_ANY &&
+                   err != SND_INTEL_DSP_DRIVER_LEGACY)
+                       return -ENODEV;
+       }
+
        err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
                           0, &card);
        if (err < 0) {
@@ -2075,17 +2067,6 @@ 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);