From patchwork Mon Jun 15 07:48:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Slaby X-Patchwork-Id: 213914 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B852BC433DF for ; Mon, 15 Jun 2020 07:50:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A0C98206D7 for ; Mon, 15 Jun 2020 07:50:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728597AbgFOHug (ORCPT ); Mon, 15 Jun 2020 03:50:36 -0400 Received: from mx2.suse.de ([195.135.220.15]:39986 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728868AbgFOHtU (ORCPT ); Mon, 15 Jun 2020 03:49:20 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 270B2AFBC; Mon, 15 Jun 2020 07:49:20 +0000 (UTC) From: Jiri Slaby To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby , Bartlomiej Zolnierkiewicz , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org Subject: [PATCH 25/38] vt: redefine world of cursor macros Date: Mon, 15 Jun 2020 09:48:57 +0200 Message-Id: <20200615074910.19267-25-jslaby@suse.cz> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200615074910.19267-1-jslaby@suse.cz> References: <20200615074910.19267-1-jslaby@suse.cz> MIME-Version: 1.0 Sender: linux-serial-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org The cursor code used to use magic constants, ANDs, ORs, and some macros. Redefine all this to make some sense. In particular: * Drop CUR_DEFAULT, which is CUR_UNDERLINE. CUR_DEFAULT was used only for cur_default variable initialization, so use CUR_UNDERLINE there to make obvious what's the default. * Drop CUR_HWMASK. Instead, define CUR_SIZE() which explains it more. And use it all over the places. * Define few more masks and bits which will be used in next patches instead of magic constants. * Define CUR_MAKE to build up cursor value. Signed-off-by: Jiri Slaby Cc: Bartlomiej Zolnierkiewicz Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org --- drivers/tty/vt/vt.c | 2 +- drivers/video/fbdev/core/bitblit.c | 2 +- drivers/video/fbdev/core/fbcon_ccw.c | 2 +- drivers/video/fbdev/core/fbcon_cw.c | 2 +- drivers/video/fbdev/core/fbcon_ud.c | 2 +- include/linux/console_struct.h | 28 +++++++++++++++++----------- 6 files changed, 22 insertions(+), 16 deletions(-) diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index f7d5a3c3845f..af1ef717f416 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -163,7 +163,7 @@ module_param(default_utf8, int, S_IRUGO | S_IWUSR); int global_cursor_default = -1; module_param(global_cursor_default, int, S_IRUGO | S_IWUSR); -static int cur_default = CUR_DEFAULT; +static int cur_default = CUR_UNDERLINE; module_param(cur_default, int, S_IRUGO | S_IWUSR); /* diff --git a/drivers/video/fbdev/core/bitblit.c b/drivers/video/fbdev/core/bitblit.c index c750470a31ec..3b002b365a5a 100644 --- a/drivers/video/fbdev/core/bitblit.c +++ b/drivers/video/fbdev/core/bitblit.c @@ -325,7 +325,7 @@ static void bit_cursor(struct vc_data *vc, struct fb_info *info, int mode, ops->p->cursor_shape = vc->vc_cursor_type; cursor.set |= FB_CUR_SETSHAPE; - switch (ops->p->cursor_shape & CUR_HWMASK) { + switch (CUR_SIZE(ops->p->cursor_shape)) { case CUR_NONE: cur_height = 0; break; diff --git a/drivers/video/fbdev/core/fbcon_ccw.c b/drivers/video/fbdev/core/fbcon_ccw.c index 9d06446a1a3b..5b67bcebe34c 100644 --- a/drivers/video/fbdev/core/fbcon_ccw.c +++ b/drivers/video/fbdev/core/fbcon_ccw.c @@ -325,7 +325,7 @@ static void ccw_cursor(struct vc_data *vc, struct fb_info *info, int mode, ops->p->cursor_shape = vc->vc_cursor_type; cursor.set |= FB_CUR_SETSHAPE; - switch (ops->p->cursor_shape & CUR_HWMASK) { + switch (CUR_SIZE(ops->p->cursor_shape)) { case CUR_NONE: cur_height = 0; break; diff --git a/drivers/video/fbdev/core/fbcon_cw.c b/drivers/video/fbdev/core/fbcon_cw.c index 4b5f76bb01e5..f1aab3ae3bc9 100644 --- a/drivers/video/fbdev/core/fbcon_cw.c +++ b/drivers/video/fbdev/core/fbcon_cw.c @@ -308,7 +308,7 @@ static void cw_cursor(struct vc_data *vc, struct fb_info *info, int mode, ops->p->cursor_shape = vc->vc_cursor_type; cursor.set |= FB_CUR_SETSHAPE; - switch (ops->p->cursor_shape & CUR_HWMASK) { + switch (CUR_SIZE(ops->p->cursor_shape)) { case CUR_NONE: cur_height = 0; break; diff --git a/drivers/video/fbdev/core/fbcon_ud.c b/drivers/video/fbdev/core/fbcon_ud.c index 7e0ae3549dc7..81ed6f6bed67 100644 --- a/drivers/video/fbdev/core/fbcon_ud.c +++ b/drivers/video/fbdev/core/fbcon_ud.c @@ -348,7 +348,7 @@ static void ud_cursor(struct vc_data *vc, struct fb_info *info, int mode, ops->p->cursor_shape = vc->vc_cursor_type; cursor.set |= FB_CUR_SETSHAPE; - switch (ops->p->cursor_shape & CUR_HWMASK) { + switch (CUR_SIZE(ops->p->cursor_shape)) { case CUR_NONE: cur_height = 0; break; diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h index 40ed52f67bc5..153734816b49 100644 --- a/include/linux/console_struct.h +++ b/include/linux/console_struct.h @@ -173,17 +173,23 @@ struct vc { extern struct vc vc_cons [MAX_NR_CONSOLES]; extern void vc_SAK(struct work_struct *work); -#define CUR_DEF 0 -#define CUR_NONE 1 -#define CUR_UNDERLINE 2 -#define CUR_LOWER_THIRD 3 -#define CUR_LOWER_HALF 4 -#define CUR_TWO_THIRDS 5 -#define CUR_BLOCK 6 -#define CUR_HWMASK 0x0f -#define CUR_SWMASK 0xfff0 - -#define CUR_DEFAULT CUR_UNDERLINE +#define CUR_MAKE(size, change, set) ((size) | ((change) << 8) | \ + ((set) << 16)) +#define CUR_SIZE(c) ((c) & 0x00000f) +# define CUR_DEF 0 +# define CUR_NONE 1 +# define CUR_UNDERLINE 2 +# define CUR_LOWER_THIRD 3 +# define CUR_LOWER_HALF 4 +# define CUR_TWO_THIRDS 5 +# define CUR_BLOCK 6 +#define CUR_SW 0x000010 +#define CUR_ALWAYS_BG 0x000020 +#define CUR_INVERT_FG_BG 0x000040 +#define CUR_FG 0x000700 +#define CUR_BG 0x007000 +#define CUR_CHANGE(c) ((c) & 0x00ff00) +#define CUR_SET(c) (((c) & 0xff0000) >> 8) bool con_is_visible(const struct vc_data *vc);