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,5/5] dmaengine: ti: k3-udma: Add glue layer for non DMAengine users From: Peter Ujfalusi Message-Id: <72fc92b3-3894-09d3-d0f8-bf2c125c3cec@ti.com> Date: Wed, 10 Oct 2018 12:44:36 +0300 To: Vinod Cc: dan.j.williams@intel.com, dmaengine@vger.kernel.org, grygorii.strashko@ti.com List-ID: T24gMjAxOC0xMC0xMCAwNzowNSwgVmlub2Qgd3JvdGU6Cj4gT24gMjQtMDktMTgsIDE2OjAwLCBQ ZXRlciBVamZhbHVzaSB3cm90ZToKPj4gRnJvbTogR3J5Z29yaWkgU3RyYXNoa28gPGdyeWdvcmlp LnN0cmFzaGtvQHRpLmNvbT4KPj4KPj4gQ2VydGFpbiB1c2VycyBjYW4gbm90IHVzZSByaWdodCBu b3cgdGhlIERNQWVuZ2luZSBBUEkgZHVlIHRvIG1pc3NpbmcKPj4gZmVhdHVyZXMgaW4gdGhlIGNv cmUuIFByaW1lIGV4YW1wbGUgaXMgTmV0d29ya2luZy4KPiAKPiBXaGF0IGFyZSB0aGUgZmVhdHVy ZXMgeW91IGhhdmUgaW4gbWluZD8KClRoZSB0d28gYmlnIG9uZXMgYXJlOgoxLiBTdXBwb3J0IGZv ciBvdXQgb2Ygb3JkZXIgY29tcGxldGlvbiBvZiBkZXNjcmlwdG9ycyAoY29va2llIG1hbmFnZW1l bnQpCgpUaGlzIG1vc3RseSBjb25jZXJucyB0aGUgREVWX1RPX01FTS4KQ3VycmVudGx5IHdlIGhh dmUgZG1hX2Nvb2tpZV90IChzMzIpIHRvIHRyYWNrIHdoaWNoIGRlc2NyaXB0b3IgaXMKY29tcGxl dGVkLCB3aGljaCBvbmUgaXMgaXNzdWVkIGFuZCB3aGljaCBvbmUgaXMgcGVuZGluZy4KSXQgaXMg bWFuZGF0b3J5IHRoYXQgZGVzY3JpcHRvcnMgYXJlIGNvbXBsZXRlZCBpbiB0aGUgc2FtZSBvcmRl ciBhcyB0aGV5CndlcmUgaXNzdWVkLgoKV2UgbmVlZCB0byBoYXZlIHN1cHBvcnQgZm9yIG91dCBv ZiBvcmRlciBjb21wbGV0aW9uIG9mIHRoZSBpc3N1ZWQKZGVzY3JpcHRvcnMgYW5kIHRodXMgdGhl IHMzMiB3YXkgb2YgdHJhY2tpbmcgaXMgbm90IHdvcmtpbmcuCgpXZSBiYXNpY2FsbHkgaGF2ZSB0 aHJlZSB1c2UgY2FzZXMgbmVlZGVkIHRvIGJlIHN1cHBvcnRlZDoKMWE6IGluIG9yZGVyIGNvbXBs ZXRpb24gKGN1cnJlbnRseSBzdXBwb3J0ZWQgYnkgRE1BZW5naW5lKQoxYjogb3V0IG9mIG9yZGVy IGNvbXBsZXRpb24gaW4gYSBjaGFubmVsLCBkZXNjcmlwdG9ycyBjYW4gY29tcGxldGUgaW4KZGlm ZmVyZW50IG9yZGVyLgoxYzogb3V0IG9mIG9yZGVyIGNvbXBsZXRpb24gaW4gYSBjaGFubmVsLCB0 aGUgY29tcGxldGlvbiBpcyBvcmRlcmVkCndpdGhpbiAnY2xhc3NpZmljYXRpb24gdHlwZScgb2Yg ZGVzY3JpcHRvcnMgdmlhIHRoZSBjaGFubmVsCgpJZiB3ZSBpc3N1ZSBkZXNjcmlwdG9ycyAxLCAy LCAzLCA0LCA1LCA2LCA3CgpXZSBjb3VsZCByZWNlaXZlIGJhY2sgdGhlbQoxYTogMSwgMiwgMywg NCwgNSwgNiwgNwoxYjogNCwgNywgMiwgMSwgMywgNSwgNgoKaW4gY2FzZSBvZiAxYyB3ZSBjYW4g Y2xhc3NpZnkgZGVzY3JpcHRvcnMgd2hlbiBpc3N1aW5nOgoxKGMwKSwgMihjMCksIDMoYzApLCA0 KGMxKSwgNShjMSksIDYoYzEpLCA3KGMxKQoKYW5kIHdlIHJlY2VpdmUgdGhlIGJhY2sgbGlrZToK NChjMSksIDUoYzEpLCAxKGMwKSwgMihjMCksIDYoYzEpLCAzKGMwKSwgNyhjMSkKClRoZSBkZXNj cmlwdG9ycyBhcmUgY29taW5nIGJhY2sgaW4gJ3JhbmRvbScgb3JkZXIsIGhvd2V2ZXIgdGhleSBh cmUgaW4Kb3JkZXIgd2l0aGluIHRoZWlyIGNsYXNzaWZpY2F0aW9uLgoKVGhlIG11c3Qgc3VwcG9y dGVkIG9uZSBpcyAxYiBhdCB0aGUgbW9tZW50LCAxYyBzaG91bGQgYmUgcmVhc29uYWJseQpzaW1w bGUgdG8gYWRkIHN1cHBvcnQgZm9yLgoKMi4gTkFQSSBzdXBwb3J0CgpWaWEgTkFQSSBhbiBSWCBs b29rcyBzb21ldGhpbmcgbGlrZSB0aGlzOgotIGdpdmUgdGhlIGhhcmR3YXJlIGJ1bmNoIG9mIGRl c2NyaXB0b3JzIHRvIHJlY2VpdmUgcGFja2V0cwotIHdoZW4gdGhlIGZpcnN0IHBhY2tldCBpcyBy ZWNlaXZlZCBnZXQgbm90aWZpY2F0aW9uCiAtIGRpc2FibGUgdGhlIGludGVycnVwdHMKIC0gc2No ZWR1bGUgTkFQSQotIGluIHRoZSBOQVBJIHBvbGwgZnVuY3Rpb24gcmVhZCBvdXQgdGhlIGNvbXBs ZXRlZCBkZXNjcmlwdG9ycyBvbmUgYnkKb25lLCBwcm9jZXNzIHRoZW0sIHRoZW4gZ2l2ZSBiYWNr IHRoZSBkZXNjcmlwdG9yICh3aXRoIG5ldyBidWZmZXIpIHRvCnRoZSBoYXJkd2FyZS4KLSBhZnRl ciBwb2xsIGZpbmlzaGVkIChubyBtb3JlIHBhY2tldHMgb3IgZ290IHRoZSBudW1iZXIgb2YgcGFj a2V0cyBOQVBJCnRvbGQgdXMgdG8gcmVhZCBvdXQpIGVuYWJsZSB0aGUgaW50ZXJydXB0cyBhbmQg d2FpdCBmb3IgcGFja2V0cyB0byBzdGFydAp0byBmbG93IGluLgoKLSBQw6l0ZXIKClRleGFzIElu c3RydW1lbnRzIEZpbmxhbmQgT3ksIFBvcmtrYWxhbmthdHUgMjIsIDAwMTgwIEhlbHNpbmtpLgpZ LXR1bm51cy9CdXNpbmVzcyBJRDogMDYxNTUyMS00LiBLb3RpcGFpa2thL0RvbWljaWxlOiBIZWxz aW5raQo=