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: [2/2] dmaengine: mediatek: Add MediaTek Command-Queue DMA controller for MT6765 SoC From: Vinod Koul Message-Id: <20190108165946.GQ13372@vkoul-mobl.Dlink> Date: Tue, 8 Jan 2019 22:29:46 +0530 To: "Shun-Chih.Yu" Cc: devicetree@vger.kernel.org, Sean Wang , linux-kernel@vger.kernel.org, srv_wsdupstream@mediatek.com, dmaengine@vger.kernel.org, Rob Herring , linux-mediatek@lists.infradead.org, Matthias Brugger , Dan Williams , linux-arm-kernel@lists.infradead.org List-ID: T24gMDgtMDEtMTksIDIwOjE5LCBTaHVuLUNoaWguWXUgd3JvdGU6Cj4gT24gRnJpLCAyMDE5LTAx LTA0IGF0IDE4OjA4ICswNTMwLCBWaW5vZCBLb3VsIHdyb3RlOgo+ID4gT24gMjctMTItMTgsIDIx OjEwLCBzaHVuLWNoaWgueXVAbWVkaWF0ZWsuY29tIHdyb3RlOgo+ID4gPiBGcm9tOiBTaHVuLUNo aWggWXUgPHNodW4tY2hpaC55dUBtZWRpYXRlay5jb20+Cgo+ID4gSGF2ZSB5b3UgdGVzdGVkIHRo aXMgd2l0aCBkbWF0ZXN0LCBpZiBzbyBjYW4geW91IHByb3ZpZGUgcmVzdWx0cyBvZiB0aGUKPiA+ IHRlc3QgYXMgd2VsbC4KPiBZZXMsIEkgdGVzdGVkIHdpdGggZG1hdGVzdCBpbiBtdWx0aS10aHJl YWQgdmVyc2lvbi4gCj4gVGhlIHJlc3VsdHMgc2hvd24gYmVsb3csIGFuZCBJIHdvdWxkIGF0dGFj aCB0aGVtIGluIHRoZSBuZXh0IHJldmlzaW9uIGlmIG5lZWRlZC4KPiAKPiBkbWF0ZXN0OiBkbWEw Y2hhbjAtY29weTI6IHN1bW1hcnkgNTAwMCB0ZXN0cywgMCBmYWlsdXJlcyAzNTAwIGlvcHMgMjgw MzcKPiBLQi9zICgwKQo+IGRtYXRlc3Q6IGRtYTBjaGFuMC1jb3B5NDogc3VtbWFyeSA1MDAwIHRl c3RzLCAwIGZhaWx1cmVzIDM0OTQgaW9wcyAyNzYxMgo+IEtCL3MgKDApCj4gZG1hdGVzdDogZG1h MGNoYW4wLWNvcHkxOiBzdW1tYXJ5IDUwMDAgdGVzdHMsIDAgZmFpbHVyZXMgMzQ5MSBpb3BzIDI3 NzQ5Cj4gS0IvcyAoMCkKPiBkbWF0ZXN0OiBkbWEwY2hhbjAtY29weTc6IHN1bW1hcnkgNTAwMCB0 ZXN0cywgMCBmYWlsdXJlcyAzNjczIGlvcHMgMjkwOTIKPiBLQi9zICgwKQo+IGRtYXRlc3Q6IGRt YTBjaGFuMC1jb3B5Njogc3VtbWFyeSA1MDAwIHRlc3RzLCAwIGZhaWx1cmVzIDM3NjMgaW9wcyAz MDIzNwo+IEtCL3MgKDApCj4gZG1hdGVzdDogZG1hMGNoYW4wLWNvcHkwOiBzdW1tYXJ5IDUwMDAg dGVzdHMsIDAgZmFpbHVyZXMgMzczMCBpb3BzIDMwMTMxCj4gS0IvcyAoMCkKPiBkbWF0ZXN0OiBk bWEwY2hhbjAtY29weTM6IHN1bW1hcnkgNTAwMCB0ZXN0cywgMCBmYWlsdXJlcyAzNzE3IGlvcHMg Mjk1NjkKPiBLQi9zICgwKQo+IGRtYXRlc3Q6IGRtYTBjaGFuMC1jb3B5NTogc3VtbWFyeSA1MDAw IHRlc3RzLCAwIGZhaWx1cmVzIDM2OTkgaW9wcyAyOTMwMgo+IEtCL3MgKDApCgpIYXZpbmcgdGhl bSBpbiBjb3ZlciBsZXR0ZXIgaGVscHMgOikKCj4gPiA+IFNpZ25lZC1vZmYtYnk6IFNodW4tQ2hp aCBZdSA8c2h1bi1jaGloLnl1QG1lZGlhdGVrLmNvbT4KPiA+ID4gUmV2aWV3ZWQtYnk6IFZpbm9k IEtvdWwgPHZrb3VsQGtlcm5lbC5vcmc+Cj4gPiAKPiA+IFRoaXMgaXMgX1dST05HXyBJIGhhdmUg bmV2ZXIgcHJvdmlkZWQgc3VjaCB0YWcsIGNhbiB5b3UgZXhwbGFpbiB3aHkgdGhpcwo+ID4gd2Fz IGFkZGVkIHdpdGhvdXQgbXkgYXBwcm92YWw/Cj4gU28gc29ycnkgYWJvdXQgdGhpcywgSSBtaXN1 bmRlcnN0b29kIHRoZSB1c2FnZSBvZiByZXZpZXdlZC1ieSB0YWcgYW5kIEkKPiB3b3VsZCByZW1v dmUgdGhpcy4gVGhhbmtzIGZvciBwb2ludGluZyBvdXQgdGhpcyBtaXN0YWtlLgoKVGhpcyB0YWcg c2hvdWxkIGJlIGFkZGVkIF9vbmx5XyB3aGVuIHNvbWVvbmUgcmVwbGllcyB3aXRoClJldmlld2Vk LWJ5OiAuLi4sIHNhbWUgZ29lcyBmb3IgQWNrZWQtYnkgYW5kIFRlc3RlZC1ieTogLi4uIGV0YwoK PiA+ID4gK3N0YXRpYyB2b2lkIG10a19kbWFfd3JpdGUoc3RydWN0IG10a19jcWRtYV9wY2hhbiAq cGMsIHUzMiByZWcsIHUzMiB2YWwpCj4gPiA+ICt7Cj4gPiA+ICsJd3JpdGVsX3JlbGF4ZWQodmFs LCBwYy0+YmFzZSArIHJlZyk7Cj4gPiAKPiA+IFdoeSBpcyBpdCByZWxheGVkIG9uZT8KPiBNb3N0 IG9mIHRoZSBvcGVyYXRpb25zIHRvIHRoZSBDUURNQSBoYXJkd2FyZSBjb3VsZCBiZSByZWxheGVk LCBhbmQgdGhlIAoKbG9va3MgbGlrZSB5b3UgbWlzc2VkIHRoZSByZXN0IG9mIHNlbnRlbmNlCgo+ ID4gPiArc3RhdGljIGVudW0gZG1hX3N0YXR1cyBtdGtfY3FkbWFfdHhfc3RhdHVzKHN0cnVjdCBk bWFfY2hhbiAqYywKPiA+ID4gKwkJCQkJICAgZG1hX2Nvb2tpZV90IGNvb2tpZSwKPiA+ID4gKwkJ CQkJICAgc3RydWN0IGRtYV90eF9zdGF0ZSAqdHhzdGF0ZSkKPiA+ID4gK3sKPiA+ID4gKwlzdHJ1 Y3QgbXRrX2NxZG1hX3ZjaGFuICpjdmMgPSB0b19jcWRtYV92Y2hhbihjKTsKPiA+ID4gKwlzdHJ1 Y3QgbXRrX2NxZG1hX3ZkZXNjICpjdmQ7Cj4gPiA+ICsJc3RydWN0IHZpcnRfZG1hX2Rlc2MgKnZk Owo+ID4gPiArCWVudW0gZG1hX3N0YXR1cyByZXQ7Cj4gPiA+ICsJdW5zaWduZWQgbG9uZyBmbGFn czsKPiA+ID4gKwlzaXplX3QgYnl0ZXMgPSAwOwo+ID4gPiArCj4gPiA+ICsJcmV0ID0gZG1hX2Nv b2tpZV9zdGF0dXMoYywgY29va2llLCB0eHN0YXRlKTsKPiA+ID4gKwlpZiAocmV0ID09IERNQV9D T01QTEVURSB8fCAhdHhzdGF0ZSkKPiA+ID4gKwkJcmV0dXJuIHJldDsKPiA+ID4gKwo+ID4gPiAr CXNwaW5fbG9ja19pcnFzYXZlKCZjdmMtPnZjLmxvY2ssIGZsYWdzKTsKPiA+ID4gKwl2ZCA9IG10 a19jcWRtYV9maW5kX2FjdGl2ZV9kZXNjKGMsIGNvb2tpZSk7Cj4gPiA+ICsJc3Bpbl91bmxvY2tf aXJxcmVzdG9yZSgmY3ZjLT52Yy5sb2NrLCBmbGFncyk7Cj4gPiA+ICsKPiA+ID4gKwlpZiAodmQp IHsKPiA+ID4gKwkJY3ZkID0gdG9fY3FkbWFfdmRlc2ModmQpOwo+ID4gPiArCQlieXRlcyA9IGN2 ZC0+bGVuOwo+ID4gPiArCX0KPiA+ID4gKwo+ID4gPiArCWRtYV9zZXRfcmVzaWR1ZSh0eHN0YXRl LCBieXRlcyk7Cj4gPiAKPiA+IEhhdmUgeW91IHRlc3RlZCB0aGlzIGFuZCBhcmUgYWJsZSB0byBy ZXBvcnQgcmVzaWR1ZSBwcm9wZXJseT8KPiA+IAo+IEkgdGVzdGVkIGFuZCB0aG91Z2h0IHRoZSBy ZXNpZHVlIHJlcG9ydCBwcm9wZXJseS4gQnV0IGFmdGVyIGNoZWNraW5nIHRoZQo+IGRlZmluaXRp b24gb2YgcmVzaWR1ZSBpbiB0eF9zdGF0dXMgYWdhaW4sIEkgZm91bmQgdGhhdCBzaG91bGQgYmUg YWx3YXlzCj4gcmV0dXJuIDAgaW4gdGhlIGRyaXZlciBpbnN0ZWFkLCBzaW5jZSB0aGVyZSBpcyBu byBzdGF0ZSBETUFfSU5fUFJPR1JFU1MKPiBvciBETUFfUEFVU0VEIGluIHRoZSBkcml2ZXIuIEkg d291bGQgZml4IHRoaXMgaW4gdGhlIG5leHQgcmV2aXNpb24uCgpTbyBtZW1jcHkgaXMgcXVpdGUg ZmFzdCA6RCwgdGhhdCdzIHdoeS4gVGhpcyBpcyBtb3JlIGhlbHBmdWwgaW4Kc2xhdmUtZG1hIHdo aWNoIGlzIHJlbGF0aXZlbHkgc2xvdyA6KQo=