1 files changed, 69 insertions, 0 deletions
diff --git a/package/lqtapi/src/mps/vmmc-signal.c b/package/lqtapi/src/mps/vmmc-signal.c
new file mode 100644
index 0000000..83fea60
--- /dev/null
+++ b/package/lqtapi/src/mps/vmmc-signal.c
@@ -0,0 +1,69 @@
+#include <linux/kernel.h>
+
+#include "vmmc.h"
+#include "vmmc-sig.h"
+#include "vmmc-cmds.h"
+
+static struct vmmc_sig *vmmc_module_to_sig(struct vmmc_module *module)
+{
+	return container_of(module, struct vmmc_sig, module);
+}
+
+static int vmmc_sig_enable(struct vmmc_module *module, bool enabled)
+{
+	struct vmmc_sig *sig = vmmc_module_to_sig(module);
+
+	return 0;
+
+	sig->sig_cache = VMMC_CMD_SIG_SET_ENABLE(sig->sig_cache, enabled);
+
+	return vmmc_command_write(sig->vmmc, VMMC_CMD_SIG(sig->id), &sig->sig_cache);
+}
+
+static int vmmc_sig_sync(struct vmmc_module *module)
+{
+	struct vmmc_sig *sig = vmmc_module_to_sig(module);
+
+	sig->sig_cache = VMMC_CMD_SIG_SET_INPUTS(sig->sig_cache,
+		module->pins[0], module->pins[1]);
+
+	vmmc_command_write(sig->vmmc, VMMC_CMD_SIG(sig->id),
+		&sig->sig_cache);
+
+	return vmmc_command_write(sig->vmmc, VMMC_CMD_DTMFR(sig->id),
+		&sig->dtmfr_cache);
+}
+
+static const struct vmmc_module_ops vmmc_sig_ops = {
+	.enable = vmmc_sig_enable,
+	.sync = vmmc_sig_sync,
+};
+
+int vmmc_sig_init(struct vmmc_sig *sig, struct vmmc *vmmc, unsigned int id)
+{
+	int ret;
+
+	ret = vmmc_module_init(&sig->module, 2, &vmmc_sig_ops);
+	if (ret)
+		return ret;
+
+	sig->id = id;
+	sig->module.id = id + 0x1e;
+	sig->vmmc = vmmc;
+	sig->sig_cache = VMMC_CMD_SIG_DATA(1, 1, 0, 0, 0, 0, 0);
+	sig->dtmfr_cache = VMMC_CMD_DTMFR_DATA(1, 1, id);
+
+	vmmc_register_module(vmmc, &sig->module);
+
+	vmmc_command_write(sig->vmmc, VMMC_CMD_SIG(sig->id),
+		&sig->sig_cache);
+	vmmc_command_write(sig->vmmc, VMMC_CMD_DTMFR(sig->id),
+		&sig->dtmfr_cache);
+
+	return ret;
+}
+
+void vmmc_sig_dtmf_event_handler(struct vmmc *vmmc, uint32_t id, uint32_t data)
+{
+	tapi_report_dtmf_event(&vmmc->tdev, &vmmc->tdev.ports[id], data & 0xf);
+}