intel-hda/dsp/intel-audio-dsp.cpp

67     zx_status_t res = Bind(hda_dev, "intel-sst-dsp");
69     res = SetupDspDevice();
70     if (res != ZX_OK) {
71         return res;
74     res = ParseNhlt();
75     if (res != ZX_OK) {
76         return res;
87         LOG(ERROR, "Failed to create init thread (res = %d)\n", c11_res);
96     zx_status_t res = device_get_protocol(codec_device(), ZX_PROTOCOL_IHDA_DSP,
98     if (res != ZX_OK) {
99         LOG(ERROR, "IHDA DSP device does not support IHDA DSP protocol (err %d)\n", res);
100         return res;
115     res = ihda_dsp_get_mmio(&ihda_dsp_, bar_vmo.reset_and_get_address(), &bar_size);
116     if (res != ZX_OK) {
117         LOG(ERROR, "Failed to fetch DSP register VMO (err %u)\n", res);
118         return res;
124         return res;
129     res = bar_vmo.set_cache_policy(ZX_CACHE_POLICY_UNCACHED_DEVICE);
130     if (res != ZX_OK) {
131         LOG(ERROR, "Error attempting to set cache policy for PCI registers (res %d)\n", res);
132         return res;
138     res = mapped_regs_.Map(bar_vmo, 0, bar_size, CPU_MAP_FLAGS);
139     if (res != ZX_OK) {
140         LOG(ERROR, "Error attempting to map registers (res %d)\n", res);
141         return res;
153     res = ihda_dsp_get_bti(&ihda_dsp_, bti.reset_and_get_address());
154     if (res != ZX_OK) {
155         LOG(ERROR, "Failed to get BTI handle for IHDA DSP (res %d)\n", res);
156         return res;
167     res = ihda_dsp_irq_enable(&ihda_dsp_,
172     if (res != ZX_OK) {
173         LOG(ERROR, "Failed to set DSP interrupt callback (res %d)\n", res);
174         return res;
182     zx_status_t res = device_get_metadata(codec_device(), MD_KEY_NHLT,
184     if (res != ZX_OK) {
185         LOG(ERROR, "Failed to fetch NHLT (res %d)\n", res);
186         return res;
531         LOG(ERROR, "Failed to pin pages for DSP firmware (res %d)\n", st);