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: [RFC,v3,7/7] dmaengine: Add Synopsys eDMA IP test and sample driver From: Gustavo Pimentel Message-Id: <488fda69-6e92-00ae-a5f2-2fe099a0ac8f@synopsys.com> Date: Wed, 16 Jan 2019 11:56:20 +0000 To: Jose Abreu , Gustavo Pimentel , "linux-pci@vger.kernel.org" , "dmaengine@vger.kernel.org" Cc: Vinod Koul , Dan Williams , Eugeniy Paltsev , Andy Shevchenko , Russell King , Niklas Cassel , Joao Pinto , Luis de Oliveira , Vitor Soares , Nelson Costa , Pedro Sousa List-ID: SGkgSm9zZSwKCk9uIDE2LzAxLzIwMTkgMTA6NDUsIEpvc2UgQWJyZXUgd3JvdGU6Cj4gSGkgR3Vz dGF2bywKPiAKPiBPbiAxLzExLzIwMTkgNjozMyBQTSwgR3VzdGF2byBQaW1lbnRlbCB3cm90ZToK Pj4gQWRkIFN5bm9wc3lzIGVETUEgSVAgdGVzdCBhbmQgc2FtcGxlIGRyaXZlciB0byBiZSB1c2Ug Zm9yIHRlc3RpbmcKPj4gcHVycG9zZXMgYW5kIGFsc28gYXMgYSByZWZlcmVuY2UgZm9yIGFueSBk ZXZlbG9wZXIgd2hvIG5lZWRzIHRvCj4+IGltcGxlbWVudCBhbmQgdXNlIFN5bm9wc3lzIGVETUEu Cj4+Cj4+IFRoaXMgZHJpdmVyIGNhbiBiZSBjb21waWxlIGFzIGJ1aWx0LWluIG9yIGV4dGVybmFs IG1vZHVsZSBpbiBrZXJuZWwuCj4+Cj4+IFRvIGVuYWJsZSB0aGlzIGRyaXZlciBqdXN0IHNlbGVj dCBEV19FRE1BX1RFU1Qgb3B0aW9uIGluIGtlcm5lbAo+PiBjb25maWd1cmF0aW9uLCBob3dldmVy IGl0IHJlcXVpcmVzIGFuZCBzZWxlY3RzIGF1dG9tYXRpY2FsbHkgRFdfRURNQQo+PiBvcHRpb24g dG9vLgo+Pgo+PiBDaGFuZ2VzOgo+PiBSRkMgdjEtPlJGQyB2MjoKPj4gIC0gTm8gY2hhbmdlcwo+ PiBSRkMgdjItPlJGQyB2MzoKPj4gIC0gQWRkIHRlc3QgbW9kdWxlCj4+Cj4+IFNpZ25lZC1vZmYt Ynk6IEd1c3Rhdm8gUGltZW50ZWwgPGd1c3Rhdm8ucGltZW50ZWxAc3lub3BzeXMuY29tPgo+PiBD YzogVmlub2QgS291bCA8dmtvdWxAa2VybmVsLm9yZz4KPj4gQ2M6IERhbiBXaWxsaWFtcyA8ZGFu Lmoud2lsbGlhbXNAaW50ZWwuY29tPgo+PiBDYzogRXVnZW5peSBQYWx0c2V2IDxwYWx0c2V2QHN5 bm9wc3lzLmNvbT4KPj4gQ2M6IEFuZHkgU2hldmNoZW5rbyA8YW5kcml5LnNoZXZjaGVua29AbGlu dXguaW50ZWwuY29tPgo+PiBDYzogUnVzc2VsbCBLaW5nIDxybWsra2VybmVsQGFybWxpbnV4Lm9y Zy51az4KPj4gQ2M6IE5pa2xhcyBDYXNzZWwgPG5pa2xhcy5jYXNzZWxAbGluYXJvLm9yZz4KPj4g Q2M6IEpvYW8gUGludG8gPGpwaW50b0BzeW5vcHN5cy5jb20+Cj4+IENjOiBKb3NlIEFicmV1IDxq b3NlLmFicmV1QHN5bm9wc3lzLmNvbT4KPj4gQ2M6IEx1aXMgT2xpdmVpcmEgPGxvbGl2ZWlAc3lu b3BzeXMuY29tPgo+PiBDYzogVml0b3IgU29hcmVzIDx2aXRvci5zb2FyZXNAc3lub3BzeXMuY29t Pgo+PiBDYzogTmVsc29uIENvc3RhIDxuZWxzb24uY29zdGFAc3lub3BzeXMuY29tPgo+PiBDYzog UGVkcm8gU291c2EgPHBlZHJvbS5zb3VzYUBzeW5vcHN5cy5jb20+Cj4gCj4+ICtzdGF0aWMgaW50 IGR3X2VkbWFfdGVzdF9hZGRfY2hhbm5lbChzdHJ1Y3QgZHdfZWRtYV90ZXN0X2luZm8gKmluZm8s Cj4+ICsJCQkJICAgIHN0cnVjdCBkbWFfY2hhbiAqY2hhbiwKPj4gKwkJCQkgICAgdTMyIGNoYW5u ZWwpCj4+ICt7Cj4+ICsJc3RydWN0IGR3X2VkbWFfdGVzdF9wYXJhbXMgKnBhcmFtcyA9ICZpbmZv LT5wYXJhbXM7Cj4+ICsJc3RydWN0IGR3X2VkbWFfdGVzdF90aHJlYWQgKnRocmVhZDsKPj4gKwlz dHJ1Y3QgZHdfZWRtYV90ZXN0X2NoYW4gKnRjaGFuOwo+PiArCj4+ICsJdGNoYW4gPSBrdm1hbGxv YyhzaXplb2YoKnRjaGFuKSwgR0ZQX0tFUk5FTCk7Cj4+ICsJaWYgKCF0Y2hhbikKPj4gKwkJcmV0 dXJuIC1FTk9NRU07Cj4+ICsKPj4gKwl0Y2hhbi0+Y2hhbiA9IGNoYW47Cj4+ICsKPj4gKwl0aHJl YWQgPSBrdnphbGxvYyhzaXplb2YoKnRocmVhZCksIEdGUF9LRVJORUwpOwo+PiArCWlmICghdGhy ZWFkKSB7Cj4+ICsJCWt2ZnJlZSh0Y2hhbik7Cj4+ICsJCXJldHVybiAtRU5PTUVNOwo+PiArCX0K Pj4gKwo+PiArCXRocmVhZC0+aW5mbyA9IGluZm87Cj4+ICsJdGhyZWFkLT5jaGFuID0gdGNoYW4t PmNoYW47Cj4+ICsJc3dpdGNoIChjaGFubmVsKSB7Cj4+ICsJY2FzZSBFRE1BX0NIX1dSOgo+PiAr CQl0aHJlYWQtPmRpcmVjdGlvbiA9IERNQV9ERVZfVE9fTUVNOwo+PiArCQlicmVhazsKPj4gKwlj YXNlIEVETUFfQ0hfUkQ6Cj4+ICsJCXRocmVhZC0+ZGlyZWN0aW9uID0gRE1BX01FTV9UT19ERVY7 Cj4+ICsJCWJyZWFrOwo+PiArCWRlZmF1bHQ6Cj4+ICsJCWt2ZnJlZSh0Y2hhbik7Cj4gCj4gWW91 IGFyZSBsZWFraW5nIHRocmVhZCBoZXJlLgoKWWVzLCBpbmRlZWQuCgo+IAo+PiArCQlyZXR1cm4g LUVQRVJNOwo+PiArCX0KPj4gKwl0aHJlYWQtPnRlc3RfZG9uZS53YWl0ID0gJnRocmVhZC0+ZG9u ZV93YWl0Owo+PiArCWluaXRfd2FpdHF1ZXVlX2hlYWQoJnRocmVhZC0+ZG9uZV93YWl0KTsKPj4g Kwo+PiArCWlmICghcGFyYW1zLT5yZXBldGl0aW9ucykKPj4gKwkJdGhyZWFkLT50YXNrID0ga3Ro cmVhZF9jcmVhdGUoZHdfZWRtYV90ZXN0X3NnLCB0aHJlYWQsICIlcyIsCj4+ICsJCQkJCSAgICAg IGRtYV9jaGFuX25hbWUoY2hhbikpOwo+PiArCWVsc2UKPj4gKwkJdGhyZWFkLT50YXNrID0ga3Ro cmVhZF9jcmVhdGUoZHdfZWRtYV90ZXN0X2N5Y2xpYywgdGhyZWFkLCAiJXMiLAo+PiArCQkJCQkg ICAgICBkbWFfY2hhbl9uYW1lKGNoYW4pKTsKPj4gKwo+PiArCWlmIChJU19FUlIodGhyZWFkLT50 YXNrKSkgewo+PiArCQlwcl9lcnIoImZhaWxlZCB0byBjcmVhdGUgdGhyZWFkICVzXG4iLCBkbWFf Y2hhbl9uYW1lKGNoYW4pKTsKPj4gKwkJa3ZmcmVlKHRjaGFuKTsKPj4gKwkJa3ZmcmVlKHRocmVh ZCk7Cj4+ICsJCXJldHVybiAtRVBFUk07Cj4+ICsJfQo+PiArCj4+ICsJdGNoYW4tPnRocmVhZCA9 IHRocmVhZDsKPj4gKwlkZXZfZGJnKGNoYW4tPmRldmljZS0+ZGV2LCAiYWRkIHRocmVhZCAlc1xu IiwgZG1hX2NoYW5fbmFtZShjaGFuKSk7Cj4+ICsJbGlzdF9hZGRfdGFpbCgmdGNoYW4tPm5vZGUs ICZpbmZvLT5jaGFubmVscyk7Cj4+ICsKPj4gKwlyZXR1cm4gMDsKPj4gK30KPj4gKwoKVGhhbmtz IQo=