target: msm8916: add support to send the i2c commands
To communicate to the DSI2HDMI bridge chip i2c commands
are required. These i2c commands are required to set up
the bridge chip and to communicate the incoming data's
mode and timing parameters.
This change enables the support for the same.
Change-Id: I2dfe54c0d902547c5dc48d3ea2e610de2ce3285e
diff --git a/target/msm8916/target_display.c b/target/msm8916/target_display.c
index 42693d6..db85b7b 100644
--- a/target/msm8916/target_display.c
+++ b/target/msm8916/target_display.c
@@ -42,6 +42,7 @@
#include <target/display.h>
#include <i2c_qup.h>
#include <blsp_qup.h>
+#include <mipi_dsi_i2c.h>
#include "include/panel.h"
#include "include/display_resource.h"
@@ -298,6 +299,51 @@
return 0;
}
+static int dsi2HDMI_i2c_write_regs(struct mipi_dsi_i2c_cmd *cfg, int size)
+{
+ int ret = NO_ERROR;
+ int i;
+
+ if (!cfg)
+ return ERR_INVALID_ARGS;
+
+ for (i = 0; i < size; i++) {
+ ret = mipi_dsi_i2c_write_byte(cfg[i].i2c_addr, cfg[i].reg,
+ cfg[i].val);
+ if (ret) {
+ dprintf(CRITICAL, "mipi_dsi reg writes failed\n");
+ goto w_regs_fail;
+ }
+ if (cfg[i].sleep_in_ms) {
+ udelay(cfg[i].sleep_in_ms*1000);
+ }
+ }
+w_regs_fail:
+ return ret;
+}
+
+int target_display_dsi2hdmi_config(struct msm_panel_info *pinfo)
+{
+ int ret = NO_ERROR;
+
+ if (!pinfo)
+ return ERR_INVALID_ARGS;
+
+ /*
+ * If dsi to HDMI bridge chip connected then
+ * send I2c commands to the chip
+ */
+ if (pinfo->adv7533.dsi_setup_cfg_i2c_cmd)
+ ret = dsi2HDMI_i2c_write_regs(pinfo->adv7533.dsi_setup_cfg_i2c_cmd,
+ pinfo->adv7533.num_of_cfg_i2c_cmds);
+
+ if (pinfo->adv7533.dsi_tg_i2c_cmd)
+ ret = dsi2HDMI_i2c_write_regs(pinfo->adv7533.dsi_tg_i2c_cmd,
+ pinfo->adv7533.num_of_tg_i2c_cmds);
+
+ return ret;
+}
+
static int target_panel_reset_skuh(uint8_t enable)
{
int ret = NO_ERROR;