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: dma: add support for reporting pause and resume separately From: Vinod Koul Message-Id: <20180704070033.GA22377@vkoul-mobl> Date: Wed, 4 Jul 2018 12:30:33 +0530 To: Marek Szyprowski , Mark Brown , Lars-Peter Clausen Cc: dmaengine@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Dan Williams , Bartlomiej Zolnierkiewicz List-ID: SGkgTWFyZWssCgpPbiAwMi0wNy0xOCwgMTU6MDgsIE1hcmVrIFN6eXByb3dza2kgd3JvdGU6Cj4g J2NtZF9wYXVzZScgRE1BIGNoYW5uZWwgY2FwYWJpbGl0eSBtZWFucyB0aGF0IHJlc3BlY3RpdmUg RE1BIGVuZ2luZQo+IHN1cHBvcnRzIGJvdGggcGF1c2luZyBhbmQgcmVzdW1pbmcgZ2l2ZW4gRE1B IGNoYW5uZWwuIEhvd2V2ZXIsIGluIHNvbWUKPiBjYXNlcyBpdCBpcyBpbXBvcnRhbnQgdG8ga25v dyBpZiBETUEgY2hhbm5lbCBjYW4gYmUgcGF1c2VkIHdpdGhvdXQgdGhlCj4gbmVlZCB0byByZXN1 bWUgaXQuIFRoaXMgaXMgYSB0eXBpY2FsIHJlcXVpcmVtZW50IGZvciBwcm9wZXIgcmVzaWR1ZQo+ IHJlYWRpbmcgb24gdHJhbnNmZXIgdGltZW91dCBpbiBVQVJUIGRyaXZlcnMuIFRoZXJlIGFyZSBh bHNvIHNvbWUgRE1BCj4gZW5naW5lcyB3aXRoIGxpbWl0ZWQgaGFyZHdhcmUsIHdoaWNoIGRvZXNu J3QgcmVhbGx5IHN1cHBvcnQgcmVzdW1pbmcuCgpBbSBjdXJpb3VzIGdpdmVuIHRoYXQgeW91ciBo YXJkd2FyZSBkb2VzIG5vdCBzdXBwb3J0IHJlc3VtZSwgd2hhdCB3YXMgbW90aXZhdGlvbgpmb3Ig YWRkaW5nIHBhdXNlPwoKPiBSZXBvcnRpbmcgcGF1c2UgYW5kIHJlc3VtZSBjYXBhYmlsaXRpZXMg c2VwYXJhdGVseSBhbGxvd3MgVUFSVCBkcml2ZXJzIHRvCj4gcHJvcGVybHkgY2hlY2sgZm9yIHRo ZSByZWFsbHkgcmVxdWlyZWQgY2FwYWJpbGl0aWVzIGFuZCBvcGVyYXRlIGluIERNQQo+IG1vZGUg YWxzbyBpbiBzeXN0ZW1zIHdpdGggbGltaXRlZCBETUEgaGFyZHdhcmUuIE9uIHRoZSBvdGhlciBo YW5kIGRyaXZlcnMsCj4gd2hpY2ggcmVseSBvbiBmdWxsIGNoYW5uZWwgc3VzcGVuZC9yZXN1bWUg c3VwcG9ydCwgc2hvdWxkIG5vdyBjaGVjayBmb3IKPiBib3RoICdwYXVzZScgYW5kICdyZXN1bWUn IGZlYXR1cmVzLgo+IAo+IEV4aXN0aW5nIGNsaWVudHMgb2YgZG1hX2dldF9zbGF2ZV9jYXBzKCkg aGF2ZSBiZWVuIGNoZWNrZWQgYW5kIHRoZSBvbmx5Cj4gZHJpdmVyIHdoaWNoIHJlbHkgb24gcHJv cGVyIGNoYW5uZWwgcmVzdW1pbmcgaXMgc29jLWdlbmVyaWMtZG1hZW5naW5lLXBjbQo+IGRyaXZl ciwgd2hpY2ggaGFzIGJlZW4gdXBkYXRlZCB0byBjaGVjayB0aGUgbmV3bHkgYWRkZWQgY2FwYWJp bGl0eS4KPiBFeGlzdGluZyAnY21kX3BhdXNlJyBub3cgb25seSBpbmRpY2F0ZXMgdGhhdCBETUEg ZW5naW5lIHN1cHBvcnQgcGF1c2luZwo+IGdpdmVuIERNQSBjaGFubmVsLgoKVGhlIGNoYW5nZSBs b29rcyBmaW5lIHRvIG1lLiBJIHdhcyBob3BpbmcgdGhhdCBzZXJpYWwgd291bGQgYWxzbyBjaGVj awp0aGlzLi4KCk1hcmssIExhcnMgeW91IG9rYXkgd2l0aCB0aGlzPwoKPiAKPiBTaWduZWQtb2Zm LWJ5OiBNYXJlayBTenlwcm93c2tpIDxtLnN6eXByb3dza2lAc2Ftc3VuZy5jb20+Cj4gLS0tCj4g VGhpcyBwYXRjaCBpcyBhIGZvbGxvdy11cCBvZiB0aGUgVmlub2QncyBhZHZpc2UgZnJvbSB0aGUg Zm9sbG93aW5nCj4gZGlzY3Vzc2lvbjoKPiBodHRwczovL3d3dy5zcGluaWNzLm5ldC9saXN0cy9s aW51eC1zYW1zdW5nLXNvYy9tc2c2MzE2Ni5odG1sCj4gLS0tCj4gIGRyaXZlcnMvZG1hL2RtYWVu Z2luZS5jICAgICAgICAgICAgICAgfCA4ICsrLS0tLS0tCj4gIGluY2x1ZGUvbGludXgvZG1hZW5n aW5lLmggICAgICAgICAgICAgfCA1ICsrKystCj4gIHNvdW5kL3NvYy9zb2MtZ2VuZXJpYy1kbWFl bmdpbmUtcGNtLmMgfCAyICstCj4gIDMgZmlsZXMgY2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCA4 IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2RtYS9kbWFlbmdpbmUuYyBi L2RyaXZlcnMvZG1hL2RtYWVuZ2luZS5jCj4gaW5kZXggMDhiYTg0NzNhMjg0Li44NGFjMzhkYmRi NjUgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9kbWEvZG1hZW5naW5lLmMKPiArKysgYi9kcml2ZXJz L2RtYS9kbWFlbmdpbmUuYwo+IEBAIC01MDAsMTIgKzUwMCw4IEBAIGludCBkbWFfZ2V0X3NsYXZl X2NhcHMoc3RydWN0IGRtYV9jaGFuICpjaGFuLCBzdHJ1Y3QgZG1hX3NsYXZlX2NhcHMgKmNhcHMp Cj4gIAljYXBzLT5tYXhfYnVyc3QgPSBkZXZpY2UtPm1heF9idXJzdDsKPiAgCWNhcHMtPnJlc2lk dWVfZ3JhbnVsYXJpdHkgPSBkZXZpY2UtPnJlc2lkdWVfZ3JhbnVsYXJpdHk7Cj4gIAljYXBzLT5k ZXNjcmlwdG9yX3JldXNlID0gZGV2aWNlLT5kZXNjcmlwdG9yX3JldXNlOwo+IC0KPiAtCS8qCj4g LQkgKiBTb21lIGRldmljZXMgaW1wbGVtZW50IG9ubHkgcGF1c2UgKGUuZy4gdG8gZ2V0IHJlc2lk dXVtKSBidXQgbm8KPiAtCSAqIHJlc3VtZS4gSG93ZXZlciBjbWRfcGF1c2UgaXMgYWR2ZXJ0aXNl ZCBhcyBwYXVzZSBBTkQgcmVzdW1lLgo+IC0JICovCj4gLQljYXBzLT5jbWRfcGF1c2UgPSAhIShk ZXZpY2UtPmRldmljZV9wYXVzZSAmJiBkZXZpY2UtPmRldmljZV9yZXN1bWUpOwo+ICsJY2Fwcy0+ Y21kX3BhdXNlID0gISFkZXZpY2UtPmRldmljZV9wYXVzZTsKPiArCWNhcHMtPmNtZF9yZXN1bWUg PSAhIWRldmljZS0+ZGV2aWNlX3Jlc3VtZTsKPiAgCWNhcHMtPmNtZF90ZXJtaW5hdGUgPSAhIWRl dmljZS0+ZGV2aWNlX3Rlcm1pbmF0ZV9hbGw7Cj4gIAo+ICAJcmV0dXJuIDA7Cj4gZGlmZiAtLWdp dCBhL2luY2x1ZGUvbGludXgvZG1hZW5naW5lLmggYi9pbmNsdWRlL2xpbnV4L2RtYWVuZ2luZS5o Cj4gaW5kZXggODYxYmU1Y2FiMWRmLi5jOGMzYTdhOTM4MDIgMTAwNjQ0Cj4gLS0tIGEvaW5jbHVk ZS9saW51eC9kbWFlbmdpbmUuaAo+ICsrKyBiL2luY2x1ZGUvbGludXgvZG1hZW5naW5lLmgKPiBA QCAtNDE1LDcgKzQxNSw5IEBAIGVudW0gZG1hX3Jlc2lkdWVfZ3JhbnVsYXJpdHkgewo+ICAgKgll YWNoIHR5cGUsIHRoZSBkbWEgY29udHJvbGxlciBzaG91bGQgc2V0IEJJVCg8VFlQRT4pIGFuZCBz YW1lCj4gICAqCXNob3VsZCBiZSBjaGVja2VkIGJ5IGNvbnRyb2xsZXIgYXMgd2VsbAo+ICAgKiBA bWF4X2J1cnN0OiBtYXggYnVyc3QgY2FwYWJpbGl0eSBwZXItdHJhbnNmZXIKPiAtICogQGNtZF9w YXVzZTogdHJ1ZSwgaWYgcGF1c2UgYW5kIHRoZXJlYnkgcmVzdW1lIGlzIHN1cHBvcnRlZAo+ICsg KiBAY21kX3BhdXNlOiB0cnVlLCBpZiBwYXVzZSBpcyBzdXBwb3J0ZWQgKGkuZS4gZm9yIHJlYWRp bmcgcmVzaWR1ZSBvcgo+ICsgKgkgICAgICAgZm9yIHJlc3VtZSBsYXRlcikKPiArICogQGNtZF9y ZXN1bWU6IHRydWUsIGlmIHJlc3VtZSBpcyBzdXBwb3J0ZWQKPiAgICogQGNtZF90ZXJtaW5hdGU6 IHRydWUsIGlmIHRlcm1pbmF0ZSBjbWQgaXMgc3VwcG9ydGVkCj4gICAqIEByZXNpZHVlX2dyYW51 bGFyaXR5OiBncmFudWxhcml0eSBvZiB0aGUgcmVwb3J0ZWQgdHJhbnNmZXIgcmVzaWR1ZQo+ICAg KiBAZGVzY3JpcHRvcl9yZXVzZTogaWYgYSBkZXNjcmlwdG9yIGNhbiBiZSByZXVzZWQgYnkgY2xp ZW50IGFuZAo+IEBAIC00MjcsNiArNDI5LDcgQEAgc3RydWN0IGRtYV9zbGF2ZV9jYXBzIHsKPiAg CXUzMiBkaXJlY3Rpb25zOwo+ICAJdTMyIG1heF9idXJzdDsKPiAgCWJvb2wgY21kX3BhdXNlOwo+ ICsJYm9vbCBjbWRfcmVzdW1lOwo+ICAJYm9vbCBjbWRfdGVybWluYXRlOwo+ICAJZW51bSBkbWFf cmVzaWR1ZV9ncmFudWxhcml0eSByZXNpZHVlX2dyYW51bGFyaXR5Owo+ICAJYm9vbCBkZXNjcmlw dG9yX3JldXNlOwo+IGRpZmYgLS1naXQgYS9zb3VuZC9zb2Mvc29jLWdlbmVyaWMtZG1hZW5naW5l LXBjbS5jIGIvc291bmQvc29jL3NvYy1nZW5lcmljLWRtYWVuZ2luZS1wY20uYwo+IGluZGV4IDU2 YTU0MWI5ZmY5ZS4uNzZjNDZkNzkzODQzIDEwMDY0NAo+IC0tLSBhL3NvdW5kL3NvYy9zb2MtZ2Vu ZXJpYy1kbWFlbmdpbmUtcGNtLmMKPiArKysgYi9zb3VuZC9zb2Mvc29jLWdlbmVyaWMtZG1hZW5n aW5lLXBjbS5jCj4gQEAgLTE1Niw3ICsxNTYsNyBAQCBzdGF0aWMgaW50IGRtYWVuZ2luZV9wY21f c2V0X3J1bnRpbWVfaHdwYXJhbXMoc3RydWN0IHNuZF9wY21fc3Vic3RyZWFtICpzdWJzdHJlYQo+ ICAKPiAgCXJldCA9IGRtYV9nZXRfc2xhdmVfY2FwcyhjaGFuLCAmZG1hX2NhcHMpOwo+ICAJaWYg KHJldCA9PSAwKSB7Cj4gLQkJaWYgKGRtYV9jYXBzLmNtZF9wYXVzZSkKPiArCQlpZiAoZG1hX2Nh cHMuY21kX3BhdXNlICYmIGRtYV9jYXBzLmNtZF9yZXN1bWUpCj4gIAkJCWh3LmluZm8gfD0gU05E UlZfUENNX0lORk9fUEFVU0UgfCBTTkRSVl9QQ01fSU5GT19SRVNVTUU7Cj4gIAkJaWYgKGRtYV9j YXBzLnJlc2lkdWVfZ3JhbnVsYXJpdHkgPD0gRE1BX1JFU0lEVUVfR1JBTlVMQVJJVFlfU0VHTUVO VCkKPiAgCQkJaHcuaW5mbyB8PSBTTkRSVl9QQ01fSU5GT19CQVRDSDsKPiAtLSAKPiAyLjE3LjEK PiAKPiAtLQo+IFRvIHVuc3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1 bnN1YnNjcmliZSBkbWFlbmdpbmUiIGluCj4gdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9y ZG9tb0B2Z2VyLmtlcm5lbC5vcmcKPiBNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBodHRwOi8vdmdl ci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWwK