From patchwork Tue Aug 21 05:58:11 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: archit taneja X-Patchwork-Id: 1351961 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 4B9D240D1A for ; Tue, 21 Aug 2012 06:01:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753013Ab2HUGBI (ORCPT ); Tue, 21 Aug 2012 02:01:08 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:34793 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753081Ab2HUGAZ (ORCPT ); Tue, 21 Aug 2012 02:00:25 -0400 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id q7L60PEL017303; Tue, 21 Aug 2012 01:00:25 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q7L60PwH017113; Tue, 21 Aug 2012 01:00:25 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by dfle72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.1.323.3; Tue, 21 Aug 2012 01:00:24 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id q7L60NU6017836; Tue, 21 Aug 2012 01:00:23 -0500 Received: from localhost (a0393947pc.apr.dhcp.ti.com [172.24.137.248]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id q7L60Mr04056; Tue, 21 Aug 2012 01:00:22 -0500 (CDT) From: Archit Taneja To: CC: , , , , Archit Taneja Subject: [PATCH 04/23] OMAPDSS: APPLY: Add manager set/unset output ops for omap_overlay_manager Date: Tue, 21 Aug 2012 11:28:11 +0530 Message-ID: <1345528711-27801-5-git-send-email-archit@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1345528711-27801-1-git-send-email-archit@ti.com> References: <1345528711-27801-1-git-send-email-archit@ti.com> MIME-Version: 1.0 Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Add set_output/unset_output ops for overlay managers, these form links between managers and outputs. Create a function in dss features which tell all the output instances that connect to a manager, use it when a manager tries to set an output. Add a constraint of not unsetting an output when the manager is enabled. Keep the omap_dss_device pointer and set/unset_device ops in overlay_manager for now to not break things. Keep the dss feature function get_supported_displays as it's used in some places. These will be removed later. Signed-off-by: Archit Taneja --- drivers/video/omap2/dss/apply.c | 70 ++++++++++++++++++++++++++++++++ drivers/video/omap2/dss/dss.h | 3 ++ drivers/video/omap2/dss/dss_features.c | 52 ++++++++++++++++++++++++ drivers/video/omap2/dss/dss_features.h | 1 + drivers/video/omap2/dss/manager.c | 4 ++ include/video/omapdss.h | 5 +++ 6 files changed, 135 insertions(+) diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c index 74f1a58..d241407 100644 --- a/drivers/video/omap2/dss/apply.c +++ b/drivers/video/omap2/dss/apply.c @@ -1311,6 +1311,76 @@ err: return r; } +int dss_mgr_set_output(struct omap_overlay_manager *mgr, + struct omap_dss_output *output) +{ + int r; + + mutex_lock(&apply_lock); + + if (mgr->output) { + DSSERR("manager %s is already connected to an output\n", + mgr->name); + r = -EINVAL; + goto err; + } + + if ((mgr->supported_outputs & output->id) == 0) { + DSSERR("output does not support manager %s\n", + mgr->name); + r = -EINVAL; + goto err; + } + + output->manager = mgr; + mgr->output = output; + + mutex_unlock(&apply_lock); + + return 0; +err: + mutex_unlock(&apply_lock); + return r; +} + +int dss_mgr_unset_output(struct omap_overlay_manager *mgr) +{ + int r; + struct mgr_priv_data *mp = get_mgr_priv(mgr); + unsigned long flags; + + mutex_lock(&apply_lock); + + if (!mgr->output) { + DSSERR("failed to unset output, output not set\n"); + r = -EINVAL; + goto err; + } + + spin_lock_irqsave(&data_lock, flags); + + if (mp->enabled) { + DSSERR("output can't be unset when manager is enabled\n"); + r = -EINVAL; + goto err1; + } + + spin_unlock_irqrestore(&data_lock, flags); + + mgr->output->manager = NULL; + mgr->output = NULL; + + mutex_unlock(&apply_lock); + + return 0; +err1: + spin_unlock_irqrestore(&data_lock, flags); +err: + mutex_unlock(&apply_lock); + + return r; +} + static void dss_apply_mgr_timings(struct omap_overlay_manager *mgr, const struct omap_video_timings *timings) { diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index 8a7c94c..a119506 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -205,6 +205,9 @@ void dss_mgr_get_info(struct omap_overlay_manager *mgr, int dss_mgr_set_device(struct omap_overlay_manager *mgr, struct omap_dss_device *dssdev); int dss_mgr_unset_device(struct omap_overlay_manager *mgr); +int dss_mgr_set_output(struct omap_overlay_manager *mgr, + struct omap_dss_output *output); +int dss_mgr_unset_output(struct omap_overlay_manager *mgr); void dss_mgr_set_timings(struct omap_overlay_manager *mgr, const struct omap_video_timings *timings); void dss_mgr_set_lcd_config(struct omap_overlay_manager *mgr, diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c index 9387097..43f8491 100644 --- a/drivers/video/omap2/dss/dss_features.c +++ b/drivers/video/omap2/dss/dss_features.c @@ -47,6 +47,7 @@ struct omap_dss_features { const int num_mgrs; const int num_ovls; const enum omap_display_type *supported_displays; + const enum omap_dss_output_id *supported_outputs; const enum omap_color_mode *supported_color_modes; const enum omap_overlay_caps *overlay_caps; const char * const *clksrc_names; @@ -144,6 +145,46 @@ static const enum omap_display_type omap4_dss_supported_displays[] = { OMAP_DISPLAY_TYPE_DSI, }; +static const enum omap_dss_output_id omap2_dss_supported_outputs[] = { + /* OMAP_DSS_CHANNEL_LCD */ + OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI, + + /* OMAP_DSS_CHANNEL_DIGIT */ + OMAP_DSS_OUTPUT_VENC, +}; + +static const enum omap_dss_output_id omap3430_dss_supported_outputs[] = { + /* OMAP_DSS_CHANNEL_LCD */ + OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI | + OMAP_DSS_OUTPUT_SDI | OMAP_DSS_OUTPUT_DSI1, + + /* OMAP_DSS_CHANNEL_DIGIT */ + OMAP_DSS_OUTPUT_VENC, +}; + +static const enum omap_dss_output_id omap3630_dss_supported_outputs[] = { + /* OMAP_DSS_CHANNEL_LCD */ + OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI | + OMAP_DSS_OUTPUT_DSI1, + + /* OMAP_DSS_CHANNEL_DIGIT */ + OMAP_DSS_OUTPUT_VENC, +}; + +static const enum omap_dss_output_id omap4_dss_supported_outputs[] = { + /* OMAP_DSS_CHANNEL_LCD */ + OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI | + OMAP_DSS_OUTPUT_DSI1, + + /* OMAP_DSS_CHANNEL_DIGIT */ + OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI | + OMAP_DSS_OUTPUT_DPI, + + /* OMAP_DSS_CHANNEL_LCD2 */ + OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI | + OMAP_DSS_OUTPUT_DSI2, +}; + static const enum omap_color_mode omap2_dss_supported_color_modes[] = { /* OMAP_DSS_GFX */ OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 | @@ -458,6 +499,7 @@ static const struct omap_dss_features omap2_dss_features = { .num_mgrs = 2, .num_ovls = 3, .supported_displays = omap2_dss_supported_displays, + .supported_outputs = omap2_dss_supported_outputs, .supported_color_modes = omap2_dss_supported_color_modes, .overlay_caps = omap2_dss_overlay_caps, .clksrc_names = omap2_dss_clk_source_names, @@ -478,6 +520,7 @@ static const struct omap_dss_features omap3430_dss_features = { .num_mgrs = 2, .num_ovls = 3, .supported_displays = omap3430_dss_supported_displays, + .supported_outputs = omap3430_dss_supported_outputs, .supported_color_modes = omap3_dss_supported_color_modes, .overlay_caps = omap3430_dss_overlay_caps, .clksrc_names = omap3_dss_clk_source_names, @@ -497,6 +540,7 @@ static const struct omap_dss_features omap3630_dss_features = { .num_mgrs = 2, .num_ovls = 3, .supported_displays = omap3630_dss_supported_displays, + .supported_outputs = omap3630_dss_supported_outputs, .supported_color_modes = omap3_dss_supported_color_modes, .overlay_caps = omap3630_dss_overlay_caps, .clksrc_names = omap3_dss_clk_source_names, @@ -518,6 +562,7 @@ static const struct omap_dss_features omap4430_es1_0_dss_features = { .num_mgrs = 3, .num_ovls = 4, .supported_displays = omap4_dss_supported_displays, + .supported_outputs = omap4_dss_supported_outputs, .supported_color_modes = omap4_dss_supported_color_modes, .overlay_caps = omap4_dss_overlay_caps, .clksrc_names = omap4_dss_clk_source_names, @@ -538,6 +583,7 @@ static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = { .num_mgrs = 3, .num_ovls = 4, .supported_displays = omap4_dss_supported_displays, + .supported_outputs = omap4_dss_supported_outputs, .supported_color_modes = omap4_dss_supported_color_modes, .overlay_caps = omap4_dss_overlay_caps, .clksrc_names = omap4_dss_clk_source_names, @@ -558,6 +604,7 @@ static const struct omap_dss_features omap4_dss_features = { .num_mgrs = 3, .num_ovls = 4, .supported_displays = omap4_dss_supported_displays, + .supported_outputs = omap4_dss_supported_outputs, .supported_color_modes = omap4_dss_supported_color_modes, .overlay_caps = omap4_dss_overlay_caps, .clksrc_names = omap4_dss_clk_source_names, @@ -627,6 +674,11 @@ enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel return omap_current_dss_features->supported_displays[channel]; } +enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel) +{ + return omap_current_dss_features->supported_outputs[channel]; +} + enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane) { return omap_current_dss_features->supported_color_modes[plane]; diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h index 996ffcb..89a71d1 100644 --- a/drivers/video/omap2/dss/dss_features.h +++ b/drivers/video/omap2/dss/dss_features.h @@ -103,6 +103,7 @@ int dss_feat_get_num_ovls(void); unsigned long dss_feat_get_param_min(enum dss_range_param param); unsigned long dss_feat_get_param_max(enum dss_range_param param); enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel); +enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel); enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane); enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane); bool dss_feat_color_mode_supported(enum omap_plane plane, diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c index 53710fa..e15fa5f 100644 --- a/drivers/video/omap2/dss/manager.c +++ b/drivers/video/omap2/dss/manager.c @@ -549,6 +549,8 @@ int dss_init_overlay_managers(struct platform_device *pdev) mgr->set_device = &dss_mgr_set_device; mgr->unset_device = &dss_mgr_unset_device; + mgr->set_output = &dss_mgr_set_output; + mgr->unset_output = &dss_mgr_unset_output; mgr->apply = &omap_dss_mgr_apply; mgr->set_manager_info = &dss_mgr_set_info; mgr->get_manager_info = &dss_mgr_get_info; @@ -558,6 +560,8 @@ int dss_init_overlay_managers(struct platform_device *pdev) mgr->caps = 0; mgr->supported_displays = dss_feat_get_supported_displays(mgr->id); + mgr->supported_outputs = + dss_feat_get_supported_outputs(mgr->id); INIT_LIST_HEAD(&mgr->overlays); diff --git a/include/video/omapdss.h b/include/video/omapdss.h index 2e40f27..813672b 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -458,9 +458,11 @@ struct omap_overlay_manager { enum omap_overlay_manager_caps caps; struct list_head overlays; enum omap_display_type supported_displays; + enum omap_dss_output_id supported_outputs; /* dynamic fields */ struct omap_dss_device *device; + struct omap_dss_output *output; /* * The following functions do not block: @@ -476,6 +478,9 @@ struct omap_overlay_manager { int (*set_device)(struct omap_overlay_manager *mgr, struct omap_dss_device *dssdev); int (*unset_device)(struct omap_overlay_manager *mgr); + int (*set_output)(struct omap_overlay_manager *mgr, + struct omap_dss_output *output); + int (*unset_output)(struct omap_overlay_manager *mgr); int (*set_manager_info)(struct omap_overlay_manager *mgr, struct omap_overlay_manager_info *info);