From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v13,2/2] usb: typec: ucsi: add support for Cypress CCGx From: Andy Shevchenko Message-Id: <20181024092503.GP10650@smile.fi.intel.com> Date: Wed, 24 Oct 2018 12:25:03 +0300 To: Ajay Gupta Cc: Heikki Krogerus , "wsa@the-dreams.de" , "peda@axentia.se" , "linux-usb@vger.kernel.org" , "linux-i2c@vger.kernel.org" List-ID: T24gVHVlLCBPY3QgMjMsIDIwMTggYXQgMDY6NTY6NTlQTSArMDAwMCwgQWpheSBHdXB0YSB3cm90 ZToKPiA+IE9uIFdlZCwgT2N0IDAzLCAyMDE4IGF0IDExOjI3OjI4QU0gLTA3MDAsIEFqYXkgR3Vw dGEgd3JvdGU6Cj4gPiA+IExhdGVzdCBOVklESUEgR1BVIGNhcmRzIGhhdmUgYSBDeXByZXNzIEND R3ggVHlwZS1DIGNvbnRyb2xsZXIgb3ZlciBJMkMKPiA+ID4gaW50ZXJmYWNlLgo+ID4gPgo+ID4g PiBUaGlzIFVDU0kgSTJDIGRyaXZlciB1c2VzIEkyQyBidXMgZHJpdmVyIGludGVyZmFjZSBmb3Ig Y29tbXVuaWNhdGluZwo+ID4gPiB3aXRoIFR5cGUtQyBjb250cm9sbGVyLgoKPiA+ID4gKwkvKgo+ ID4gPiArCSAqIEZsdXNoIENDR3ggUkVTUE9OU0UgcXVldWUgYnkgYWNraW5nIGludGVycnVwdHMu IEFib3ZlIHVjc2kKPiA+IGNvbnRyb2wKPiA+ID4gKwkgKiByZWdpc3RlciB3cml0ZSB3aWxsIHB1 c2ggcmVzcG9uc2Ugd2hpY2ggbXVzdCBiZSBjbGVhcmVkLgo+ID4gPiArCSAqLwo+ID4gPiArCXN0 YXR1cyA9IGNjZ19yZWFkKHVjLCBDQ0dYX1JBQl9JTlRSX1JFRywgJmRhdGEsIHNpemVvZihkYXRh KSk7Cj4gPiA+ICsJaWYgKHN0YXR1cyA8IDApCj4gPiA+ICsJCXJldHVybiBzdGF0dXM7CgooMSkK Cj4gPiA+ICsJZG8gewo+ID4gPiArCQlzdGF0dXMgPSBjY2dfd3JpdGUodWMsIENDR1hfUkFCX0lO VFJfUkVHLCAmZGF0YSwKPiA+IHNpemVvZihkYXRhKSk7Cj4gPiA+ICsJCWlmIChzdGF0dXMgPCAw KQo+ID4gPiArCQkJcmV0dXJuIHN0YXR1czsKCigyKQoKPiA+ID4gKwo+ID4gPiArCQl1c2xlZXBf cmFuZ2UoMTAwMDAsIDExMDAwKTsKPiA+ID4gKwo+ID4gPiArCQlzdGF0dXMgPSBjY2dfcmVhZCh1 YywgQ0NHWF9SQUJfSU5UUl9SRUcsICZkYXRhLAo+ID4gc2l6ZW9mKGRhdGEpKTsKPiA+ID4gKwkJ aWYgKHN0YXR1cyA8IDApCj4gPiA+ICsJCQlyZXR1cm4gc3RhdHVzOwo+ID4gPiArCX0gd2hpbGUg KChkYXRhICE9IDB4MDApICYmIGNvdW50LS0pOwo+ID4gCj4gPiBXaGF0J3MgdGhlIHNpZ25pZmlj YW5jZSBvZiB0aGF0IGNvdW50Pwo+IEl0IGlzIGxpa2UgYSByZXRyeSBjb3VudCB0byBjbGVhciBp bnRlcnJ1cHQgc3RhdHVzLgo+IAo+ID4gU2hvdWxkbid0IHlvdSByZXR1cm4gLUVUSU1FRE9VVCBp ZiBjb3VudCA9PSAwPwo+IFllcy4gR29vZCBjYXRjaC4gRG9lcyB0aGUgYmVsb3cgZml4IGxvb2tz IG9rPwoKQXQgbGVhc3QgZm9yIG1lIGxvb2tzIE9LIChJIGR1bm5vIHdoeSBJIG1pc3NlZCB0aGF0 IHdoYXQgSGVpa2tpIGZvdW5kIHJlY2VudGx5KS4KTmV2ZXJ0aGVsZXNzLCBJIGhhdmUgb25lIG1v cmUgcXVlc3Rpb24gYWJvdXQgKDEpIGFuZCAoMikgYWJvdmUuCgpJcyBpdCBuZWNlc3NhcnkgdG8g ZG8gb25lIG1vcmUgcmVhZCBiZWZvcmUgZG8td2hpbGUgbG9vcD8KCj4gCj4gICAgICAgICBkbyB7 Cj4gICAgICAgICAgICAgICAgIHN0YXR1cyA9IGNjZ193cml0ZSh1YywgQ0NHWF9SQUJfSU5UUl9S RUcsICZkYXRhLCBzaXplb2YoZGF0YSkpOwo+ICAgICAgICAgICAgICAgICBpZiAoc3RhdHVzIDwg MCkKPiAgICAgICAgICAgICAgICAgICAgICAgICByZXR1cm4gc3RhdHVzOwo+IAo+ICAgICAgICAg ICAgICAgICB1c2xlZXBfcmFuZ2UoMTAwMDAsIDExMDAwKTsKPiAKPiAgICAgICAgICAgICAgICAg c3RhdHVzID0gY2NnX3JlYWQodWMsIENDR1hfUkFCX0lOVFJfUkVHLCAmZGF0YSwgc2l6ZW9mKGRh dGEpKTsKPiAgICAgICAgICAgICAgICAgaWYgKHN0YXR1cyA8IDApCj4gICAgICAgICAgICAgICAg ICAgICAgICAgcmV0dXJuIHN0YXR1czsKPiAKPiAgICAgICAgICAgICAgICAgaWYgKCFkYXRhKQo+ ICAgICAgICAgICAgICAgICAgICAgICAgIHJldHVybiAwOwo+ICAgICAgICAgfSB3aGlsZSAoZGF0 YSAmJiBjb3VudC0tKTsKPiAKPiAgICAgICAgIHJldHVybiAtRVRJTUVET1VUOwo=