diff options
Diffstat (limited to 'sound/soc/intel/skylake/skl.c')
| -rw-r--r-- | sound/soc/intel/skylake/skl.c | 96 |
1 files changed, 85 insertions, 11 deletions
diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 1d17be0f78a0..29225623b4b4 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -33,9 +33,11 @@ #include <sound/hda_register.h> #include <sound/hdaudio.h> #include <sound/hda_i915.h> +#include <sound/hda_codec.h> #include "skl.h" #include "skl-sst-dsp.h" #include "skl-sst-ipc.h" +#include "../../../soc/codecs/hdac_hda.h" /* * initialize the PCI registers @@ -472,6 +474,25 @@ static struct skl_ssp_clk skl_ssp_clks[] = { {.name = "ssp5_sclkfs"}, }; +static struct snd_soc_acpi_mach *skl_find_hda_machine(struct skl *skl, + struct snd_soc_acpi_mach *machines) +{ + struct hdac_bus *bus = skl_to_bus(skl); + struct snd_soc_acpi_mach *mach; + + /* check if we have any codecs detected on bus */ + if (bus->codec_mask == 0) + return NULL; + + /* point to common table */ + mach = snd_soc_acpi_intel_hda_machines; + + /* all entries in the machine table use the same firmware */ + mach->fw_filename = machines->fw_filename; + + return mach; +} + static int skl_find_machine(struct skl *skl, void *driver_data) { struct hdac_bus *bus = skl_to_bus(skl); @@ -479,9 +500,13 @@ static int skl_find_machine(struct skl *skl, void *driver_data) struct skl_machine_pdata *pdata; mach = snd_soc_acpi_find_machine(mach); - if (mach == NULL) { - dev_err(bus->dev, "No matching machine driver found\n"); - return -ENODEV; + if (!mach) { + dev_dbg(bus->dev, "No matching I2S machine driver found\n"); + mach = skl_find_hda_machine(skl, driver_data); + if (!mach) { + dev_err(bus->dev, "No matching machine driver found\n"); + return -ENODEV; + } } skl->mach = mach; @@ -498,8 +523,9 @@ static int skl_find_machine(struct skl *skl, void *driver_data) static int skl_machine_device_register(struct skl *skl) { - struct hdac_bus *bus = skl_to_bus(skl); struct snd_soc_acpi_mach *mach = skl->mach; + struct hdac_bus *bus = skl_to_bus(skl); + struct skl_machine_pdata *pdata; struct platform_device *pdev; int ret; @@ -516,8 +542,12 @@ static int skl_machine_device_register(struct skl *skl) return -EIO; } - if (mach->pdata) + if (mach->pdata) { + pdata = (struct skl_machine_pdata *)mach->pdata; + pdata->platform = dev_name(bus->dev); + pdata->codec_mask = bus->codec_mask; dev_set_drvdata(&pdev->dev, mach->pdata); + } skl->i2s_dev = pdev; @@ -628,6 +658,24 @@ static void skl_clock_device_unregister(struct skl *skl) platform_device_unregister(skl->clk_dev); } +#define IDISP_INTEL_VENDOR_ID 0x80860000 + +/* + * load the legacy codec driver + */ +static void load_codec_module(struct hda_codec *codec) +{ +#ifdef MODULE + char modalias[MODULE_NAME_LEN]; + const char *mod = NULL; + + snd_hdac_codec_modalias(&codec->core, modalias, sizeof(modalias)); + mod = modalias; + dev_dbg(&codec->core.dev, "loading %s codec module\n", mod); + request_module(mod); +#endif +} + /* * Probe the given codec address */ @@ -637,7 +685,9 @@ static int probe_codec(struct hdac_bus *bus, int addr) (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID; unsigned int res = -1; struct skl *skl = bus_to_skl(bus); + struct hdac_hda_priv *hda_codec; struct hdac_device *hdev; + int err; mutex_lock(&bus->cmd_mutex); snd_hdac_bus_send_cmd(bus, cmd); @@ -645,13 +695,26 @@ static int probe_codec(struct hdac_bus *bus, int addr) mutex_unlock(&bus->cmd_mutex); if (res == -1) return -EIO; - dev_dbg(bus->dev, "codec #%d probed OK\n", addr); + dev_dbg(bus->dev, "codec #%d probed OK: %x\n", addr, res); - hdev = devm_kzalloc(&skl->pci->dev, sizeof(*hdev), GFP_KERNEL); - if (!hdev) + hda_codec = devm_kzalloc(&skl->pci->dev, sizeof(*hda_codec), + GFP_KERNEL); + if (!hda_codec) return -ENOMEM; - return snd_hdac_ext_bus_device_init(bus, addr, hdev); + hda_codec->codec.bus = skl_to_hbus(skl); + hdev = &hda_codec->codec.core; + + err = snd_hdac_ext_bus_device_init(bus, addr, hdev); + if (err < 0) + return err; + + /* use legacy bus only for HDA codecs, idisp uses ext bus */ + if ((res & 0xFFFF0000) != IDISP_INTEL_VENDOR_ID) { + hdev->type = HDA_DEV_LEGACY; + load_codec_module(&hda_codec->codec); + } + return 0; } /* Codec initialization */ @@ -786,9 +849,10 @@ static int skl_create(struct pci_dev *pci, const struct hdac_io_ops *io_ops, struct skl **rskl) { + struct hdac_ext_bus_ops *ext_ops = NULL; struct skl *skl; struct hdac_bus *bus; - + struct hda_bus *hbus; int err; *rskl = NULL; @@ -803,13 +867,23 @@ static int skl_create(struct pci_dev *pci, return -ENOMEM; } + hbus = skl_to_hbus(skl); bus = skl_to_bus(skl); - snd_hdac_ext_bus_init(bus, &pci->dev, &bus_core_ops, io_ops, NULL); + +#if IS_ENABLED(CONFIG_SND_SOC_HDAC_HDA) + ext_ops = snd_soc_hdac_hda_get_ops(); +#endif + snd_hdac_ext_bus_init(bus, &pci->dev, &bus_core_ops, io_ops, ext_ops); bus->use_posbuf = 1; skl->pci = pci; INIT_WORK(&skl->probe_work, skl_probe_work); bus->bdl_pos_adj = 0; + mutex_init(&hbus->prepare_mutex); + hbus->pci = pci; + hbus->mixer_assigned = -1; + hbus->modelname = "sklbus"; + *rskl = skl; return 0; |