diff options
Diffstat (limited to 'src/soc/intel/tigerlake/include')
| -rw-r--r-- | src/soc/intel/tigerlake/include/soc/early_tcss.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/include/soc/early_tcss.h b/src/soc/intel/tigerlake/include/soc/early_tcss.h new file mode 100644 index 0000000000..c009e8432c --- /dev/null +++ b/src/soc/intel/tigerlake/include/soc/early_tcss.h @@ -0,0 +1,139 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* PMC IPC related offsets and commands */ +#define PMC_IPC_USBC_CMD_ID 0xA7 +#define PMC_IPC_USBC_SUBCMD_ID 0x0 +#define PMC_IPC_CMD 0x0 +#define PMC_IPC_TCSS_CONN_REQ_RES 0x0 +#define PMC_IPC_TCSS_SAFE_MODE_REQ_RES 0x2 +#define PMC_IPC_TCSS_ALTMODE_REQ_RES 0x3 +#define PMC_IPC_TCSS_HPD_REQ_RES 0x4 +#define PMC_IPC_CONN_REQ_SIZE 2 +#define PMC_IPC_ALT_REQ_SIZE 8 +#define PMC_IPC_SAFE_REQ_SIZE 1 +#define PMC_IPC_HPD_REQ_SIZE 2 +#define PMC_IPC_DP_MODE 1 + +#define TCSS_CD_USAGE_SHIFT 0 +#define TCSS_CD_USAGE_MASK 0x0f +#define TCSS_CD_USB3_SHIFT 4 +#define TCSS_CD_USB3_MASK 0x0f +#define TCSS_CD_USB2_SHIFT 8 +#define TCSS_CD_USB2_MASK 0x0f +#define TCSS_CD_UFP_SHIFT 12 +#define TCSS_CD_UFP_MASK 0x01 +#define TCSS_CD_HSL_SHIFT 13 +#define TCSS_CD_HSL_MASK 0x01 +#define TCSS_CD_SBU_SHIFT 14 +#define TCSS_CD_SBU_MASK 0x01 +#define TCSS_CD_ACC_SHIFT 15 +#define TCSS_CD_ACC_MASK 0x01 +#define TCSS_CD_FAILED_SHIFT 16 +#define TCSS_CD_FAILED_MASK 0x01 +#define TCSS_CD_FATAL_SHIFT 17 +#define TCSS_CD_FATAL_MASK 0x01 + +#define TCSS_ALT_USAGE_SHIFT 0 +#define TCSS_ALT_USAGE_MASK 0x0f +#define TCSS_ALT_USB3_SHIFT 4 +#define TCSS_ALT_USB3_MASK 0x0f +#define TCSS_ALT_MODE_SHIFT 12 +#define TCSS_ALT_MODE_MASK 0x0f +#define TCSS_ALT_POLARITY_SHIFT 1 +#define TCSS_ALT_POLARITY_MASK 0x01 +#define TCSS_ALT_CABLE_SHIFT 2 +#define TCSS_ALT_CABLE_MASK 0x01 +#define TCSS_ALT_UFP_SHIFT 3 +#define TCSS_ALT_UFP_MASK 0x01 +#define TCSS_ALT_DP_MODE_SHIFT 8 +#define TCSS_ALT_DP_MODE_MASK 0x0f +#define TCSS_ALT_FAILED_SHIFT 8 +#define TCSS_ALT_FAILED_MASK 0x01 +#define TCSS_ALT_FATAL_SHIFT 9 +#define TCSS_ALT_FATAL_MASK 0x01 + +#define TCSS_HPD_USAGE_SHIFT 0 +#define TCSS_HPD_USAGE_MASK 0x0f +#define TCSS_HPD_USB3_SHIFT 4 +#define TCSS_HPD_USB3_MASK 0x0f +#define TCSS_HPD_LVL_SHIFT 12 +#define TCSS_HPD_LVL_MASK 0x01 +#define TCSS_HPD_IRQ_SHIFT 13 +#define TCSS_HPD_IRQ_MASK 0x01 + +#define TCSS_CD_FIELD(name, val) \ + (((val) & TCSS_CD_##name##_MASK) << TCSS_CD_##name##_SHIFT) + +#define GET_TCSS_CD_FIELD(name, val) \ + (((val) >> TCSS_CD_##name##_SHIFT) & TCSS_CD_##name##_MASK) + + +#define TCSS_ALT_FIELD(name, val) \ + (((val) & TCSS_ALT_##name##_MASK) << TCSS_ALT_##name##_SHIFT) + +#define TCSS_HPD_FIELD(name, val) \ + (((val) & TCSS_HPD_##name##_MASK) << TCSS_HPD_##name##_SHIFT) + +#define GET_TCSS_ALT_FIELD(name, val) \ + (((val) >> TCSS_ALT_##name##_SHIFT) & TCSS_ALT_##name##_MASK) + +#define TCSS_CONN_STATUS_HAS_FAILED(s) GET_TCSS_CD_FIELD(FAILED, s) +#define TCSS_STATUS_HAS_FAILED(s) GET_TCSS_ALT_FIELD(FAILED, s) +/* !fatal means retry */ +#define TCSS_CONN_STATUS_IS_FATAL(s) GET_TCSS_CD_FIELD(FATAL, s) +#define TCSS_STATUS_IS_FATAL(s) GET_TCSS_ALT_FIELD(FATAL, s) + +#define USB_2_PORT_MASK 0x0f +#define USB_3_PORT_MASK 0xf0 + +/* TCSS connection modes for PMC */ +enum pmc_ipc_conn_mode { + PMC_IPC_TCSS_DISCONNECT_MODE, + PMC_IPC_TCSS_USB_MODE, + PMC_IPC_TCSS_ALTERNATE_MODE, + PMC_IPC_TCSS_SAFE_MODE, + PMC_IPC_TCSS_HPD_MODE, + PMC_IPC_TCSS_TOTAL_MODES, +}; + +enum pmc_ipc_command_type { + CONNECT_REQ, + SAFE_REQ, + DP_REQ, + HPD_REQ, +}; + +/* DP Mode pin definitions */ +#define MODE_DP_PIN_A BIT(0) +#define MODE_DP_PIN_B BIT(1) +#define MODE_DP_PIN_C BIT(2) +#define MODE_DP_PIN_D BIT(3) +#define MODE_DP_PIN_E BIT(4) +#define MODE_DP_PIN_F BIT(5) + +/* struct to hold all tcss_mux related variables */ +struct tcss_mux { + bool dp; /* DP connected */ + bool usb; /* USB connected */ + bool cable; /* Activ/Passive Cable */ + bool polarity; /* polarity of connected device */ + bool hpd_lvl; /* HPD Level assert */ + bool hpd_irq; /* HPD IRQ assert */ + bool ufp; + bool acc; + uint8_t dp_mode; /* DP Operation Mode */ + uint8_t usb3_port; /* USB2 Port Number */ + uint8_t usb2_port; /* USB3 Port Number */ +}; + +void update_tcss_mux(int port, struct tcss_mux mux_data); + +/* + * Weak mainboard method to setup any mux configuration needed for early TCSS operations. + * This function will need to obtain any mux data needed to forward to IOM/PMC and call + * the update_tcss_mux method which will call any PMC commands needed to connect the + * ports. Since the mux data may be stored differently by different mainboards this + * must be overridden by the mainboard with its specific mux data stored in a struct tcss_mux + * struct as defined above. + */ +void mainboard_early_tcss_enable(void); |