From patchwork Thu Apr 23 14:29:20 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tobias Jakobi X-Patchwork-Id: 6263171 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 133B0BF4A7 for ; Thu, 23 Apr 2015 14:30:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 10AA72010C for ; Thu, 23 Apr 2015 14:30:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C6182037C for ; Thu, 23 Apr 2015 14:30:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933953AbbDWOaL (ORCPT ); Thu, 23 Apr 2015 10:30:11 -0400 Received: from smtp.math.uni-bielefeld.de ([129.70.45.10]:42541 "EHLO smtp.math.uni-bielefeld.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751211AbbDWOaI (ORCPT ); Thu, 23 Apr 2015 10:30:08 -0400 Received: from chidori.math.uni-bielefeld.de (dhcp24-141.math.uni-bielefeld.de [129.70.24.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (Client did not present a certificate) by smtp.math.uni-bielefeld.de (Postfix) with ESMTPSA id F1CF7600D0; Thu, 23 Apr 2015 16:30:06 +0200 (CEST) From: Tobias Jakobi To: linux-samsung-soc@vger.kernel.org Cc: dri-devel@lists.freedesktop.org, emil.l.velikov@gmail.com, jy0922.shim@samsung.com, gustavo.padovan@collabora.co.uk, inki.dae@samsung.com, Tobias Jakobi Subject: [PATCH v3 1/7] exynos: Introduce exynos_handle_event() Date: Thu, 23 Apr 2015 16:29:20 +0200 Message-Id: <1429799366-12287-2-git-send-email-tjakobi@math.uni-bielefeld.de> X-Mailer: git-send-email 2.0.5 In-Reply-To: <1429799366-12287-1-git-send-email-tjakobi@math.uni-bielefeld.de> References: <1429799366-12287-1-git-send-email-tjakobi@math.uni-bielefeld.de> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Used to handle kernel events specific to the Exynos platform. Currently only G2D events are handled. Signed-off-by: Tobias Jakobi --- exynos/exynos_drm.c | 28 ++++++++++++++++++++++++++++ exynos/exynos_drm.h | 12 ++++++++++++ exynos/exynos_drmif.h | 26 ++++++++++++++++++++++++++ 3 files changed, 66 insertions(+) diff --git a/exynos/exynos_drm.c b/exynos/exynos_drm.c index c5dd948..3a3d6b1 100644 --- a/exynos/exynos_drm.c +++ b/exynos/exynos_drm.c @@ -42,6 +42,8 @@ #include "exynos_drm.h" #include "exynos_drmif.h" +#define U642VOID(x) ((void *)(unsigned long)(x)) + /* * Create exynos drm device object. * @@ -374,3 +376,29 @@ exynos_vidi_connection(struct exynos_device *dev, uint32_t connect, return 0; } + +static void +exynos_handle_vendor(int fd, struct drm_event *e, void *custom_data) +{ + struct drm_exynos_g2d_event *g2d; + struct exynos_event_context *ctx = custom_data; + + switch (e->type) { + case DRM_EXYNOS_G2D_EVENT: + if (ctx->version < 1 || ctx->g2d_event_handler == NULL) + break; + g2d = (struct drm_exynos_g2d_event *)e; + ctx->g2d_event_handler(fd, g2d->cmdlist_no, g2d->tv_sec, + g2d->tv_usec, U642VOID(g2d->user_data)); + break; + + default: + break; + } +} + +drm_public int +exynos_handle_event(struct exynos_device *dev, struct exynos_event_context *ctx) +{ + return drmHandleEvent2(dev->fd, &ctx->base, exynos_handle_vendor, ctx); +} diff --git a/exynos/exynos_drm.h b/exynos/exynos_drm.h index 256c02f..c3af0ac 100644 --- a/exynos/exynos_drm.h +++ b/exynos/exynos_drm.h @@ -157,4 +157,16 @@ struct drm_exynos_g2d_exec { #define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \ DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec) +/* EXYNOS specific events */ +#define DRM_EXYNOS_G2D_EVENT 0x80000000 + +struct drm_exynos_g2d_event { + struct drm_event base; + __u64 user_data; + __u32 tv_sec; + __u32 tv_usec; + __u32 cmdlist_no; + __u32 reserved; +}; + #endif diff --git a/exynos/exynos_drmif.h b/exynos/exynos_drmif.h index c7c1d44..626e399 100644 --- a/exynos/exynos_drmif.h +++ b/exynos/exynos_drmif.h @@ -54,6 +54,25 @@ struct exynos_bo { uint32_t name; }; +#define EXYNOS_EVENT_CONTEXT_VERSION 1 + +/* + * Exynos Event Context structure. + * + * @base: base context (for core events). + * @version: version info similar to the one in 'drmEventContext'. + * @g2d_event_handler: handler for G2D events. + */ +struct exynos_event_context { + drmEventContext base; + + int version; + + void (*g2d_event_handler)(int fd, unsigned int cmdlist_no, + unsigned int tv_sec, unsigned int tv_usec, + void *user_data); +}; + /* * device related functions: */ @@ -83,4 +102,11 @@ int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd, int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect, uint32_t ext, void *edid); +/* + * event handling related functions: + */ +int exynos_handle_event(struct exynos_device *dev, + struct exynos_event_context *ctx); + + #endif /* EXYNOS_DRMIF_H_ */