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-rw-r--r--src/soc/intel/common/block/include/intelblocks/tcss.h26
-rw-r--r--src/soc/intel/common/block/tcss/tcss.c56
2 files changed, 43 insertions, 39 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/tcss.h b/src/soc/intel/common/block/include/intelblocks/tcss.h
index c07c96cd82..e5834b08c6 100644
--- a/src/soc/intel/common/block/include/intelblocks/tcss.h
+++ b/src/soc/intel/common/block/include/intelblocks/tcss.h
@@ -4,6 +4,7 @@
#define _TCSS_H_
#include <intelblocks/gpio.h>
+#include <device/usbc_mux.h>
/* PMC IPC related offsets and commands */
#define PMC_IPC_USBC_CMD_ID 0xA7
@@ -126,19 +127,6 @@ enum pmc_ipc_command_type {
#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_info {
- bool dp; /* DP connected */
- bool usb; /* USB connected */
- bool cable; /* Active/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 */
-};
-
struct tcss_port_map {
uint8_t usb2_port; /* USB2 Port Number */
uint8_t usb3_port; /* USB3 Port Number */
@@ -157,19 +145,9 @@ struct typec_aux_bias_pads {
void tcss_configure(const struct typec_aux_bias_pads pads[MAX_TYPE_C_PORTS]);
/*
- * Mainboard method to setup any mux config needed for TCSS display operations.
- * This function will need to obtain any mux data needed to forward to IOM/PMC
- * Since the mux data may be stored differently by different mainboards this
- * function must be defined by mainboard with its specific mux data stored in a
- * tcss_mux_info struct as defined above.
- * Returns completed tcss_mux_info structure for the specified port
- */
-const struct tcss_mux_info *mainboard_tcss_get_mux_info(int port);
-
-/*
* Method to get only the port information to initialize the muxes to
* disconnect mode during boot.
- * returns tscc_port_map of all ports on system
+ * Returns tcss_port_map of all ports on system
*/
const struct tcss_port_map *tcss_get_port_info(size_t *num_ports);
diff --git a/src/soc/intel/common/block/tcss/tcss.c b/src/soc/intel/common/block/tcss/tcss.c
index 28564e34cc..03f630cf52 100644
--- a/src/soc/intel/common/block/tcss/tcss.c
+++ b/src/soc/intel/common/block/tcss/tcss.c
@@ -16,6 +16,8 @@
#define BIAS_CTRL_VW_INDEX_SHIFT 16
#define BIAS_CTRL_BIT_POS_SHIFT 8
+#define WAIT_FOR_DISPLAYPORT_TIMEOUT_MS 1000
+#define WAIT_FOR_HPD_TIMEOUT_MS 3000
static uint32_t tcss_make_conn_cmd(int u, int u3, int u2, int ufp, int hsl,
int sbu, int acc)
@@ -130,7 +132,7 @@ static int send_pmc_disconnect_request(int port, const struct tcss_port_map *por
return send_pmc_req(CONNECT_REQ, &req, &rsp, PMC_IPC_DISC_REQ_SIZE);
}
-static int send_pmc_connect_request(int port, const struct tcss_mux_info *mux_data,
+static int send_pmc_connect_request(int port, const struct usbc_mux_info *mux_data,
const struct tcss_port_map *port_map)
{
uint32_t cmd;
@@ -144,7 +146,7 @@ static int send_pmc_connect_request(int port, const struct tcss_mux_info *mux_da
mux_data->ufp,
mux_data->polarity,
mux_data->polarity,
- mux_data->acc);
+ mux_data->dbg_acc);
req.buf[0] = cmd;
@@ -162,7 +164,7 @@ static int send_pmc_connect_request(int port, const struct tcss_mux_info *mux_da
return send_pmc_req(CONNECT_REQ, &req, &rsp, PMC_IPC_CONN_REQ_SIZE);
}
-static int send_pmc_safe_mode_request(int port, const struct tcss_mux_info *mux_data,
+static int send_pmc_safe_mode_request(int port, const struct usbc_mux_info *mux_data,
const struct tcss_port_map *port_map)
{
uint32_t cmd;
@@ -181,7 +183,7 @@ static int send_pmc_safe_mode_request(int port, const struct tcss_mux_info *mux_
return send_pmc_req(SAFE_REQ, &req, &rsp, PMC_IPC_SAFE_REQ_SIZE);
}
-static int send_pmc_dp_hpd_request(int port, const struct tcss_mux_info *mux_data,
+static int send_pmc_dp_hpd_request(int port, const struct usbc_mux_info *mux_data,
const struct tcss_port_map *port_map)
{
struct pmc_ipc_buffer req = { 0 };
@@ -200,7 +202,7 @@ static int send_pmc_dp_hpd_request(int port, const struct tcss_mux_info *mux_dat
}
-static int send_pmc_dp_mode_request(int port, const struct tcss_mux_info *mux_data,
+static int send_pmc_dp_mode_request(int port, const struct usbc_mux_info *mux_data,
const struct tcss_port_map *port_map)
{
uint32_t cmd;
@@ -223,7 +225,7 @@ static int send_pmc_dp_mode_request(int port, const struct tcss_mux_info *mux_da
GET_TCSS_ALT_FIELD(USB3, cmd),
GET_TCSS_ALT_FIELD(MODE, cmd));
- switch (mux_data->dp_mode) {
+ switch (mux_data->dp_pin_mode) {
case MODE_DP_PIN_A:
dp_mode = 1;
break;
@@ -282,35 +284,59 @@ static void tcss_init_mux(int port, const struct tcss_port_map *port_map)
static void tcss_configure_dp_mode(const struct tcss_port_map *port_map, size_t num_ports)
{
- int ret;
+ int ret, port_bitmask;
size_t i;
- const struct tcss_mux_info *mux_info;
+ const struct usbc_ops *ops;
+ struct usbc_mux_info mux_info;
const struct tcss_port_map *port_info;
if (!display_init_required())
return;
+ ops = usbc_get_ops();
+ if (ops == NULL)
+ return;
+
+ port_bitmask = ops->dp_ops.wait_for_connection(WAIT_FOR_DISPLAYPORT_TIMEOUT_MS);
+ if (!port_bitmask) /* No DP device is connected */
+ return;
+
for (i = 0; i < num_ports; i++) {
- mux_info = mainboard_tcss_get_mux_info(i);
- port_info = &port_map[i];
+ if (!(port_bitmask & BIT(i)))
+ continue;
+
+ ret = ops->dp_ops.enter_dp_mode(i);
+ if (ret < 0)
+ continue;
+
+ ret = ops->dp_ops.wait_for_hpd(i, WAIT_FOR_HPD_TIMEOUT_MS);
+ if (ret < 0)
+ continue;
- if (!mux_info->dp)
+ ret = ops->mux_ops.get_mux_info(i, &mux_info);
+ if (ret < 0)
continue;
- ret = send_pmc_connect_request(i, mux_info, port_info);
+ port_info = &port_map[i];
+
+ ret = send_pmc_connect_request(i, &mux_info, port_info);
if (ret) {
printk(BIOS_ERR, "Port %zd connect request failed\n", i);
continue;
}
- ret = send_pmc_safe_mode_request(i, mux_info, port_info);
+ ret = send_pmc_safe_mode_request(i, &mux_info, port_info);
if (ret) {
printk(BIOS_ERR, "Port %zd safe mode request failed\n", i);
continue;
}
- ret = send_pmc_dp_mode_request(i, mux_info, port_info);
- if (ret)
+ ret = send_pmc_dp_mode_request(i, &mux_info, port_info);
+ if (ret) {
printk(BIOS_ERR, "Port C%zd mux set failed with error %d\n", i, ret);
+ } else {
+ printk(BIOS_INFO, "Port C%zd is configured to DP mode!\n", i);
+ return;
+ }
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-21 02:40:05 +0000