diff options
Diffstat (limited to 'sound/hda/ext/hdac_ext_controller.c')
-rw-r--r-- | sound/hda/ext/hdac_ext_controller.c | 91 |
1 files changed, 8 insertions, 83 deletions
diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c index 860f8cad6602..261469188566 100644 --- a/sound/hda/ext/hdac_ext_controller.c +++ b/sound/hda/ext/hdac_ext_controller.c @@ -29,81 +29,6 @@ */ #define HDAC_MAX_CAPS 10 -/** - * snd_hdac_ext_bus_parse_capabilities - parse capablity structure - * @ebus: the pointer to extended bus object - * - * Returns 0 if successful, or a negative error code. - */ -int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *ebus) -{ - unsigned int cur_cap; - unsigned int offset; - struct hdac_bus *bus = &ebus->bus; - unsigned int counter = 0; - - offset = snd_hdac_chip_readl(bus, LLCH); - - /* Lets walk the linked capabilities list */ - do { - cur_cap = _snd_hdac_chip_read(l, bus, offset); - - dev_dbg(bus->dev, "Capability version: 0x%x\n", - ((cur_cap & AZX_CAP_HDR_VER_MASK) >> AZX_CAP_HDR_VER_OFF)); - - dev_dbg(bus->dev, "HDA capability ID: 0x%x\n", - (cur_cap & AZX_CAP_HDR_ID_MASK) >> AZX_CAP_HDR_ID_OFF); - - switch ((cur_cap & AZX_CAP_HDR_ID_MASK) >> AZX_CAP_HDR_ID_OFF) { - case AZX_ML_CAP_ID: - dev_dbg(bus->dev, "Found ML capability\n"); - ebus->mlcap = bus->remap_addr + offset; - break; - - case AZX_GTS_CAP_ID: - dev_dbg(bus->dev, "Found GTS capability offset=%x\n", offset); - ebus->gtscap = bus->remap_addr + offset; - break; - - case AZX_PP_CAP_ID: - /* PP capability found, the Audio DSP is present */ - dev_dbg(bus->dev, "Found PP capability offset=%x\n", offset); - ebus->ppcap = bus->remap_addr + offset; - break; - - case AZX_SPB_CAP_ID: - /* SPIB capability found, handler function */ - dev_dbg(bus->dev, "Found SPB capability\n"); - ebus->spbcap = bus->remap_addr + offset; - break; - - case AZX_DRSM_CAP_ID: - /* DMA resume capability found, handler function */ - dev_dbg(bus->dev, "Found DRSM capability\n"); - ebus->drsmcap = bus->remap_addr + offset; - break; - - default: - dev_dbg(bus->dev, "Unknown capability %d\n", cur_cap); - break; - } - - counter++; - - if (counter > HDAC_MAX_CAPS) { - dev_err(bus->dev, "We exceeded HDAC Ext capablities!!!\n"); - break; - } - - /* read the offset of next capabiity */ - offset = cur_cap & AZX_CAP_HDR_NXT_PTR_MASK; - - } while (offset); - - return 0; -} -EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_parse_capabilities); - /* * processing pipe helpers - these helpers are useful for dealing with HDA * new capability of processing pipelines @@ -118,15 +43,15 @@ void snd_hdac_ext_bus_ppcap_enable(struct hdac_ext_bus *ebus, bool enable) { struct hdac_bus *bus = &ebus->bus; - if (!ebus->ppcap) { + if (!bus->ppcap) { dev_err(bus->dev, "Address of PP capability is NULL"); return; } if (enable) - snd_hdac_updatel(ebus->ppcap, AZX_REG_PP_PPCTL, 0, AZX_PPCTL_GPROCEN); + snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, 0, AZX_PPCTL_GPROCEN); else - snd_hdac_updatel(ebus->ppcap, AZX_REG_PP_PPCTL, AZX_PPCTL_GPROCEN, 0); + snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, AZX_PPCTL_GPROCEN, 0); } EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_ppcap_enable); @@ -139,15 +64,15 @@ void snd_hdac_ext_bus_ppcap_int_enable(struct hdac_ext_bus *ebus, bool enable) { struct hdac_bus *bus = &ebus->bus; - if (!ebus->ppcap) { + if (!bus->ppcap) { dev_err(bus->dev, "Address of PP capability is NULL\n"); return; } if (enable) - snd_hdac_updatel(ebus->ppcap, AZX_REG_PP_PPCTL, 0, AZX_PPCTL_PIE); + snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, 0, AZX_PPCTL_PIE); else - snd_hdac_updatel(ebus->ppcap, AZX_REG_PP_PPCTL, AZX_PPCTL_PIE, 0); + snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, AZX_PPCTL_PIE, 0); } EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_ppcap_int_enable); @@ -171,7 +96,7 @@ int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *ebus) struct hdac_ext_link *hlink; struct hdac_bus *bus = &ebus->bus; - link_count = readl(ebus->mlcap + AZX_REG_ML_MLCD) + 1; + link_count = readl(bus->mlcap + AZX_REG_ML_MLCD) + 1; dev_dbg(bus->dev, "In %s Link count: %d\n", __func__, link_count); @@ -181,7 +106,7 @@ int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *ebus) return -ENOMEM; hlink->index = idx; hlink->bus = bus; - hlink->ml_addr = ebus->mlcap + AZX_ML_BASE + + hlink->ml_addr = bus->mlcap + AZX_ML_BASE + (AZX_ML_INTERVAL * idx); hlink->lcaps = readl(hlink->ml_addr + AZX_REG_ML_LCAP); hlink->lsdiid = readw(hlink->ml_addr + AZX_REG_ML_LSDIID); |