diff options
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/picasso/acp.c | 14 | ||||
| -rw-r--r-- | src/soc/amd/picasso/chip.h | 5 | ||||
| -rw-r--r-- | src/soc/amd/picasso/include/soc/acp.h | 4 |
3 files changed, 23 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/acp.c b/src/soc/amd/picasso/acp.c index 3272acf8f6..b598e646b2 100644 --- a/src/soc/amd/picasso/acp.c +++ b/src/soc/amd/picasso/acp.c @@ -15,6 +15,16 @@ #include <amdblocks/acpimmio.h> #include <commonlib/helpers.h> +static void acp_update32(uintptr_t bar, uint32_t reg, uint32_t and_mask, uint32_t or_mask) +{ + uint32_t val; + + val = read32((void *)(bar + reg)); + val &= ~and_mask; + val |= or_mask; + write32((void *)(bar + reg), val); +} + static void init(struct device *dev) { const struct soc_amd_picasso_config *cfg; @@ -33,6 +43,10 @@ static void init(struct device *dev) bar = (uintptr_t)res->base; write32((void *)(bar + ACP_I2S_PIN_CONFIG), cfg->acp_pin_cfg); + /* Enable ACP_PME_EN and ACP_I2S_WAKE_EN for I2S_WAKE event */ + acp_update32(bar, ACP_I2S_WAKE_EN, WAKE_EN_MASK, !!cfg->acp_i2s_wake_enable); + acp_update32(bar, ACP_PME_EN, PME_EN_MASK, !!cfg->acpi_pme_enable); + if (cfg->acp_pin_cfg == I2S_PINS_I2S_TDM) sb_clk_output_48Mhz(); /* Internal connection to I2S */ } diff --git a/src/soc/amd/picasso/chip.h b/src/soc/amd/picasso/chip.h index 1d3ee9d8c9..4891b22392 100644 --- a/src/soc/amd/picasso/chip.h +++ b/src/soc/amd/picasso/chip.h @@ -59,6 +59,11 @@ struct soc_amd_picasso_config { I2S_PINS_UNCONF = 7, /* All pads will be input mode */ } acp_pin_cfg; + /* Enable ACP I2S wake feature (0 = disable, 1 = enable) */ + u8 acp_i2s_wake_enable; + /* Enable ACP PME (0 = disable, 1 = enable) */ + u8 acpi_pme_enable; + /** * IRQ 0 - 15 have a default trigger of edge and default polarity of high. * If you have a device that requires a different configuration you can override the diff --git a/src/soc/amd/picasso/include/soc/acp.h b/src/soc/amd/picasso/include/soc/acp.h index 8825da8f6c..36bd6fb68b 100644 --- a/src/soc/amd/picasso/include/soc/acp.h +++ b/src/soc/amd/picasso/include/soc/acp.h @@ -5,5 +5,9 @@ /* Bus A D0F5 - Audio Processor */ #define ACP_I2S_PIN_CONFIG 0x1400 /* HDA, Soundwire, I2S */ +#define ACP_I2S_WAKE_EN 0x1414 +#define WAKE_EN_MASK (1 << 0) +#define ACP_PME_EN 0x1418 +#define PME_EN_MASK (1 << 0) #endif /* __PI_PICASSO_ACP_H__ */ |