int skl_resume_dsp(struct skl *skl)
{
struct skl_sst *ctx = skl->skl_sst;
int ret;
/* if ppcap is not supported return 0 */
if (!skl->ebus.bus.ppcap)
return 0;
/* enable ppcap interrupt */
snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
/* check if DSP 1st boot is done */
if (skl->skl_sst->is_first_boot == true)
return 0;
/* disable dynamic clock gating during fw and lib download */
ctx->enable_miscbdcge(ctx->dev, false);
ret = skl_dsp_wake(ctx->dsp);
ctx->enable_miscbdcge(ctx->dev, true);
if (ret < 0)
return ret;
skl_dsp_enable_notification(skl->skl_sst, false);
if (skl->cfg.astate_cfg != NULL) {
skl_dsp_set_astate_cfg(skl->skl_sst, skl->cfg.astate_cfg->count,
skl->cfg.astate_cfg);
}
return ret;
}
int skl_init_dsp(struct skl *skl)
{
void __iomem *mmio_base;
struct hdac_ext_bus *ebus = &skl->ebus;
struct hdac_bus *bus = ebus_to_hbus(ebus);
int irq = bus->irq;
struct skl_dsp_loader_ops loader_ops;
int ret;
loader_ops.alloc_dma_buf = skl_alloc_dma_buf;
loader_ops.free_dma_buf = skl_free_dma_buf;
/* enable ppcap interrupt */
snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
/* read the BAR of the ADSP MMIO */
mmio_base = pci_ioremap_bar(skl->pci, 4);
if (mmio_base == NULL) {
dev_err(bus->dev, "ioremap error\n");
return -ENXIO;
}
ret = skl_sst_dsp_init(bus->dev, mmio_base, irq,
skl->fw_name, loader_ops, &skl->skl_sst);
if (ret < 0)
return ret;
skl_dsp_enable_notification(skl->skl_sst, false);
dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
return ret;
}
int skl_resume_dsp(struct skl *skl)
{
struct skl_sst *ctx = skl->skl_sst;
/* if ppcap is not supported return 0 */
if (!skl->ebus.ppcap)
return 0;
/* enable ppcap interrupt */
snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
return skl_dsp_wake(ctx->dsp);
}
int skl_suspend_dsp(struct skl *skl)
{
struct skl_sst *ctx = skl->skl_sst;
int ret;
/* if ppcap is not supported return 0 */
if (!skl->ebus.bus.ppcap)
return 0;
ret = skl_dsp_sleep(ctx->dsp);
if (ret < 0)
return ret;
/* disable ppcap interrupt */
snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
snd_hdac_ext_bus_ppcap_enable(&skl->ebus, false);
return 0;
}
int skl_resume_dsp(struct skl *skl)
{
struct skl_sst *ctx = skl->skl_sst;
int ret;
/* if ppcap is not supported return 0 */
if (!skl->ebus.ppcap)
return 0;
/* enable ppcap interrupt */
snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
ret = skl_dsp_wake(ctx->dsp);
if (ret < 0)
return ret;
skl_dsp_enable_notification(skl->skl_sst, false);
return ret;
}
int skl_resume_dsp(struct skl *skl)
{
struct skl_sst *ctx = skl->skl_sst;
struct hdac_bus *bus = skl_to_bus(skl);
int ret;
/* if ppcap is not supported return 0 */
if (!bus->ppcap)
return 0;
/* enable ppcap interrupt */
snd_hdac_ext_bus_ppcap_enable(bus, true);
snd_hdac_ext_bus_ppcap_int_enable(bus, true);
/* check if DSP 1st boot is done */
if (skl->skl_sst->is_first_boot)
return 0;
/*
* Disable dynamic clock and power gating during firmware
* and library download
*/
ctx->enable_miscbdcge(ctx->dev, false);
ctx->clock_power_gating(ctx->dev, false);
ret = skl_dsp_wake(ctx->dsp);
ctx->enable_miscbdcge(ctx->dev, true);
ctx->clock_power_gating(ctx->dev, true);
if (ret < 0)
return ret;
skl_dsp_enable_notification(skl->skl_sst, false);
if (skl->cfg.astate_cfg != NULL) {
skl_dsp_set_astate_cfg(skl->skl_sst, skl->cfg.astate_cfg->count,
skl->cfg.astate_cfg);
}
return ret;
}
int skl_init_dsp(struct skl *skl)
{
void __iomem *mmio_base;
struct hdac_bus *bus = skl_to_bus(skl);
struct skl_dsp_loader_ops loader_ops;
int irq = bus->irq;
const struct skl_dsp_ops *ops;
struct skl_dsp_cores *cores;
int ret;
/* enable ppcap interrupt */
snd_hdac_ext_bus_ppcap_enable(bus, true);
snd_hdac_ext_bus_ppcap_int_enable(bus, true);
/* read the BAR of the ADSP MMIO */
mmio_base = pci_ioremap_bar(skl->pci, 4);
if (mmio_base == NULL) {
dev_err(bus->dev, "ioremap error\n");
return -ENXIO;
}
ops = skl_get_dsp_ops(skl->pci->device);
if (!ops) {
ret = -EIO;
goto unmap_mmio;
}
loader_ops = ops->loader_ops();
ret = ops->init(bus->dev, mmio_base, irq,
skl->fw_name, loader_ops,
&skl->skl_sst);
if (ret < 0)
goto unmap_mmio;
skl->skl_sst->dsp_ops = ops;
cores = &skl->skl_sst->cores;
cores->count = ops->num_cores;
cores->state = kcalloc(cores->count, sizeof(*cores->state), GFP_KERNEL);
if (!cores->state) {
ret = -ENOMEM;
goto unmap_mmio;
}
cores->usage_count = kcalloc(cores->count, sizeof(*cores->usage_count),
GFP_KERNEL);
if (!cores->usage_count) {
ret = -ENOMEM;
goto free_core_state;
}
dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
return 0;
free_core_state:
kfree(cores->state);
unmap_mmio:
iounmap(mmio_base);
return ret;
}
