diff options
| -rw-r--r-- | driver/gl3590.c | 17 | ||||
| -rw-r--r-- | driver/gl3590.h | 14 |
2 files changed, 31 insertions, 0 deletions
diff --git a/driver/gl3590.c b/driver/gl3590.c index 2faf69178a..40e4df2d05 100644 --- a/driver/gl3590.c +++ b/driver/gl3590.c @@ -193,3 +193,20 @@ enum ec_error_list gl3590_ufp_pwr(int hub, struct pwr_con_t *pwr) return EC_ERROR_UNKNOWN; } } + +int gl3590_enable_ports(int hub, uint8_t port_mask, bool enable) +{ + uint8_t buf[4] = {0}; + uint8_t en_mask = 0; + int rv; + + if (!enable) + en_mask = port_mask; + + buf[0] = en_mask; + buf[2] = port_mask; + + rv = gl3590_write(hub, GL3590_PORT_DISABLED_REG, buf, sizeof(buf)); + + return rv; +} diff --git a/driver/gl3590.h b/driver/gl3590.h index 991796c306..089bcd7b7b 100644 --- a/driver/gl3590.h +++ b/driver/gl3590.h @@ -4,6 +4,7 @@ */ #include "pwr_defs.h" +#include "stdbool.h" /* Registers definitions */ #define GL3590_HUB_MODE_REG 0x0 @@ -14,6 +15,7 @@ #define GL3590_INT_CLEAR 0x1 #define GL3590_RESPONSE_REG 0x2 #define GL3590_RESPONSE_REG_SYNC_MASK 0x80 +#define GL3590_PORT_DISABLED_REG 0x4 #define GL3590_HUB_STS_REG 0xA #define GL3590_HUB_STS_HOST_PWR_MASK 0x30 #define GL3590_HUB_STS_HOST_PWR_SHIFT 4 @@ -35,6 +37,18 @@ void gl3590_irq_handler(int hub); /* Get power capabilities of UFP host connection */ enum ec_error_list gl3590_ufp_pwr(int hub, struct pwr_con_t *pwr); +#define GL3590_DFP1 BIT(0) +#define GL3590_DFP2 BIT(1) +#define GL3590_DFP3 BIT(2) +#define GL3590_DFP4 BIT(3) +#define GL3590_DFP5 BIT(4) +#define GL3590_DFP6 BIT(5) +#define GL3590_DFP7 BIT(6) +#define GL3590_DFP8 BIT(7) + +/* Enable/disable power to particular downstream facing ports */ +int gl3590_enable_ports(int hub, uint8_t port_mask, bool enable); + /* Generic USB HUB I2C interface */ struct uhub_i2c_iface_t { int i2c_host_port; |