Hi Jeff, > On Oct 24, 2023, at 10:03 PM, Jeff LaBundy <jeff@xxxxxxxxxxx> wrote: >> >> +static const struct cs_dsp_client_ops cs40l50_cs_dsp_client_ops; >> + >> +static const struct cs_dsp_region cs40l50_dsp_regions[] = { >> + { >> + .type = WMFW_HALO_PM_PACKED, >> + .base = CS40L50_DSP1_PMEM_0 >> + }, >> + { >> + .type = WMFW_HALO_XM_PACKED, >> + .base = CS40L50_DSP1_XMEM_PACKED_0 >> + }, >> + { >> + .type = WMFW_HALO_YM_PACKED, >> + .base = CS40L50_DSP1_YMEM_PACKED_0 >> + }, >> + { >> + .type = WMFW_ADSP2_XM, >> + .base = CS40L50_DSP1_XMEM_UNPACKED24_0 >> + }, >> + { >> + .type = WMFW_ADSP2_YM, >> + .base = CS40L50_DSP1_YMEM_UNPACKED24_0 >> + }, >> +}; >> + >> +static int cs40l50_cs_dsp_init(struct cs40l50_private *cs40l50) >> +{ >> + cs40l50->dsp.num = 1; >> + cs40l50->dsp.type = WMFW_HALO; >> + cs40l50->dsp.dev = cs40l50->dev; >> + cs40l50->dsp.regmap = cs40l50->regmap; >> + cs40l50->dsp.base = CS40L50_CORE_BASE; >> + cs40l50->dsp.base_sysinfo = CS40L50_SYS_INFO_ID; >> + cs40l50->dsp.mem = cs40l50_dsp_regions; >> + cs40l50->dsp.num_mems = ARRAY_SIZE(cs40l50_dsp_regions); >> + cs40l50->dsp.no_core_startstop = true; >> + cs40l50->dsp.client_ops = &cs40l50_cs_dsp_client_ops; >> + >> + return cs_dsp_halo_init(&cs40l50->dsp); >> +} >> + >> +static struct cs_hap_bank cs40l50_banks[] = { >> + { >> + .bank = WVFRM_BANK_RAM, >> + .base_index = CS40L50_RAM_BANK_INDEX_START, >> + .max_index = CS40L50_RAM_BANK_INDEX_START, >> + }, >> + { >> + .bank = WVFRM_BANK_ROM, >> + .base_index = CS40L50_ROM_BANK_INDEX_START, >> + .max_index = CS40L50_ROM_BANK_INDEX_END, >> + }, >> + { >> + .bank = WVFRM_BANK_OWT, >> + .base_index = CS40L50_RTH_INDEX_START, >> + .max_index = CS40L50_RTH_INDEX_END, >> + }, >> +}; > > These structs describe the DSP, and hence the silicon; they are not > specific to the input/FF device. Presumably the DSP could run algorithms > that support only the I2S streaming case as well (e.g. A2H); therefore, > these seem more appropriately placed in the MFD. Acknowledged, but would you consider the last struct “cs40l50_banks” as an exception? It would go unused in a codec-only setup. Best, James