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: [3/8,v4] dma: k3dma: Upgrade k3dma driver to support hisi_asp_dma hardware From: Vinod Koul Message-Id: <20190123125533.GP4635@vkoul-mobl> Date: Wed, 23 Jan 2019 18:25:33 +0530 To: John Stultz Cc: lkml , Youlin Wang , Dan Williams , Zhuangluan Su , Ryan Grachek , Manivannan Sadhasivam , "open list:DMA GENERIC OFFLOAD ENGINE SUBSYSTEM" , Tanglei Han List-ID: T24gMjItMDEtMTksIDE1OjQ4LCBKb2huIFN0dWx0eiB3cm90ZToKPiBPbiBTdW4sIEphbiAyMCwg MjAxOSBhdCAzOjEyIEFNIFZpbm9kIEtvdWwgPHZrb3VsQGtlcm5lbC5vcmc+IHdyb3RlOgo+ID4K PiA+IE9uIDE2LTAxLTE5LCAwOToxMCwgSm9obiBTdHVsdHogd3JvdGU6Cj4gPiA+IEZyb206IFlv dWxpbiBXYW5nIDx3d3g1NzU4MjJAbm90ZXNtYWlsLmh1YXdlaS5jb20+Cj4gPiA+Cj4gPiA+IE9u IHRoZSBoaTM2NjAgaGFyZHdhcmUgdGhlcmUgYXJlIHR3byAoYXQgbGVhc3QpIERNQSBjb250cm9s bGVycywKPiA+ID4gdGhlIERNQS1QIChQZXJpcGhlcmlhbCBETUEpIGFuZCB0aGUgRE1BLUEgKEF1 ZGlvIERNQSkuIFRoZQo+ID4gICAgICAgICAgICAgICAgICAgICBeXl4KPiA+IHR5cG8KPiAKPiBU aGFua3Mgc28gbXVjaCBmb3IgdGhlIHJldmlldyEKPiAKPiBGaXhlZCEKPiAKPiA+ID4gKwo+ID4g PiArI2RlZmluZSBLM19GTEFHX05PQ0xLICAoMTw8MCkKPiA+Cj4gPiB3aHkgbm90IHVzZSBCSVQo KQo+ID4KPiA+IHNwYWNlIGJldHdlZW4gdHdvIHBsZWFzZQo+IAo+IEZpeGVkLgo+IAo+ID4gPiAr c3RhdGljIGNvbnN0IHN0cnVjdCBrM2RtYV9zb2NfZGF0YSBrM192MV9kbWFfZGF0YSA9IHsKPiA+ ID4gKyAgICAgLmZsYWdzID0gMCwKPiA+ID4gK307Cj4gPgo+ID4gU28gYmFzaWNhbGx5IHRoaXMg aXMgZGVmYXVsdCByaWdodCwgZG8gd2UgbmVlZCB0byBzZXQgZG1hX2RhdGEgYW5kIG5vdAo+ID4g YXNzdW1lIGRlZmF1bHQuLgo+IAo+IEknbSBub3Qgc3VyZSBJIGZ1bGx5IHVuZGVyc3RhbmQgeW91 IGhlcmUuIEJhc2ljYWxseSBJJ20ganVzdCBjcmVhdGluZwo+IGEgcGVyLXZhcmlhbnQgZGF0YSBz dHJ1Y3R1cmUuIFRoZSBrM192MV9kbWFfZGF0YSBpc24ndCByZWFsbHkgdGhlCj4gZGVmYXVsdCwg YnV0IGlzIHRoZSBmaXJzdCB2YXJpYW50IHN1cHBvcnRlZC4gVGhlcmUgbWF5IGJlIGZ1dHVyZQo+ IHZhcmlhbnRzIHRoYXQgY2F1c2Ugc29tZSBuZXcgZmxhZyB0aGF0IHRoZSBrM192M19kbWFfZGF0 YSBtYXkgbmVlZCB0bwo+IHNldC4gQnV0IGZvciBub3cgdGhhdCB2YXJpYW50IGRvZXNuJ3QgaGF2 ZSBhbnkgZmxhZ3Mgc2V0LgoKU28gbXkgcG9pbnQgd2FzIHdlIGNhbiBza2lwIHRoaXMgYW5kIHRy ZWF0IGRyaXZlciBkYXRhIE5VTEwgYXMgZGVmYXVsdAppLmUuIG5vIGZsYWdzLCBubyBiaWcgZGVh bCB0aG91Z2gsIHNhdmVzIHlvdSBkdW1teSBrM192MV9kbWFfZGF0YS4KCj4gCj4gCj4gPiA+ICsK PiA+ID4gK3N0YXRpYyBjb25zdCBzdHJ1Y3QgazNkbWFfc29jX2RhdGEgYXNwX3YxX2RtYV9kYXRh ID0gewo+ID4gPiArICAgICAuZmxhZ3MgPSBLM19GTEFHX05PQ0xLLAo+ID4gPiArfTsKPiA+ID4g Kwo+ID4gPiAgc3RhdGljIGNvbnN0IHN0cnVjdCBvZl9kZXZpY2VfaWQgazNfcGRtYV9kdF9pZHNb XSA9IHsKPiA+ID4gLSAgICAgeyAuY29tcGF0aWJsZSA9ICJoaXNpbGljb24sazMtZG1hLTEuMCIs IH0sCj4gPiA+ICsgICAgIHsgLmNvbXBhdGlibGUgPSAiaGlzaWxpY29uLGszLWRtYS0xLjAiLAo+ ID4gPiArICAgICAgIC5kYXRhID0gJmszX3YxX2RtYV9kYXRhCj4gPiA+ICsgICAgIH0sCj4gPiA+ ICsgICAgIHsgLmNvbXBhdGlibGUgPSAiaGlzaWxpY29uLGhpc2ktcGNtLWFzcC1kbWEtMS4wIiwK PiA+ID4gKyAgICAgICAuZGF0YSA9ICZhc3BfdjFfZG1hX2RhdGEKPiA+ID4gKyAgICAgfSwKPiA+ ID4gICAgICAge30KPiA+ID4gIH07Cj4gPiA+ICBNT0RVTEVfREVWSUNFX1RBQkxFKG9mLCBrM19w ZG1hX2R0X2lkcyk7Cj4gPiA+IEBAIC04MTAsNiArODMwLDcgQEAgc3RhdGljIHN0cnVjdCBkbWFf Y2hhbiAqazNfb2ZfZG1hX3NpbXBsZV94bGF0ZShzdHJ1Y3Qgb2ZfcGhhbmRsZV9hcmdzICpkbWFf c3BlYywKPiA+ID4KPiA+ID4gIHN0YXRpYyBpbnQgazNfZG1hX3Byb2JlKHN0cnVjdCBwbGF0Zm9y bV9kZXZpY2UgKm9wKQo+ID4gPiAgewo+ID4gPiArICAgICBjb25zdCBzdHJ1Y3QgazNkbWFfc29j X2RhdGEgKnNvY19kYXRhOwo+ID4gPiAgICAgICBzdHJ1Y3QgazNfZG1hX2RldiAqZDsKPiA+ID4g ICAgICAgY29uc3Qgc3RydWN0IG9mX2RldmljZV9pZCAqb2ZfaWQ7Cj4gPiA+ICAgICAgIHN0cnVj dCByZXNvdXJjZSAqaW9yZXM7Cj4gPiA+IEBAIC04MjMsNiArODQ0LDEwIEBAIHN0YXRpYyBpbnQg azNfZG1hX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKm9wKQo+ID4gPiAgICAgICBpZiAo IWQpCj4gPiA+ICAgICAgICAgICAgICAgcmV0dXJuIC1FTk9NRU07Cj4gPiA+Cj4gPiA+ICsgICAg IHNvY19kYXRhID0gZGV2aWNlX2dldF9tYXRjaF9kYXRhKCZvcC0+ZGV2KTsKPiA+ID4gKyAgICAg aWYgKCFzb2NfZGF0YSkKPiA+ID4gKyAgICAgICAgICAgICByZXR1cm4gLUVJTlZBTDsKPiA+Cj4g PiBTbyB0aGlzIGlzIG5vdCBvcHRpb25hbCwgZWl0aGVyIHdheXMgZmluZSBieSBtZSA6KQo+IAo+ IEkgdGhpbmsgdGhpcyB3YXkgbWFrZXMgc2Vuc2UsIGJ1dCBtYXliZSBJJ20gbWlzc2luZyBhIGJl dHRlciBhbHRlcm5hdGl2ZT8KPiAKPiBEbyBsZXQgbWUga25vdyBpZiB0aGVyZSdzIGFuIGV4YW1w bGUgeW91J2QgcmF0aGVyIEkgZm9sbG93LgoKVG8gZWxhYm9yYXRlIEkgd2FzIHRoaW5raW5nIG9m IGFsdGVybmF0ZSBzY2hlbWUgd2l0aDoKCiAgICAgICAgY29tcGF0aWJsZSA9ICJoaXNpbGljb24s azMtZG1hLTEuMCIsIE5VTEwKICAgICAgICBjb21wYXRpYmxlID0gImhpc2lsaWNvbixoaXNpLXBj bS1hc3AtZG1hLTEuMCIsIC5kYXRhID0gJmFzcF92MV9kbWFfZGF0YQoKYW5kCgogICAgICAgIHNv Y19kYXRhID0gZGV2aWNlX2dldF9tYXRjaF9kYXRhKCZvcC0+ZGV2KTsKICAgICAgICBpZiAoIXNv Y19kYXRhKSB7CiAgICAgICAgICAgICAgICAvKiBubyBkYXRhIHNvIGZsYWdzIGFyZSBudWxsICov CiAgICAgICAgICAgICAgICBkZXZfd2FybiguLi4gIm5vIGRyaXZlciBkYXRhIHNwZWNpZmllZCwg YXNzdW1pbmcgIG5vIGZsYWdzXG4iCiAgICAgICAgICAgICAgICBrM19kbWEtPmZsYWdzID0gMDsK ICAgICAgICB9Cg==