From patchwork Tue Jun 14 11:46:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yakir Yang X-Patchwork-Id: 9175571 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EF8896075D for ; Tue, 14 Jun 2016 11:46:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E07E625EF7 for ; Tue, 14 Jun 2016 11:46:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D3D92280E0; Tue, 14 Jun 2016 11:46:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7CE6525EF7 for ; Tue, 14 Jun 2016 11:46:40 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1bCmno-0003QH-5D; Tue, 14 Jun 2016 11:46:40 +0000 Received: from lucky1.263xmail.com ([211.157.147.134]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1bCmni-0003Bx-P3 for linux-rockchip@lists.infradead.org; Tue, 14 Jun 2016 11:46:38 +0000 Received: from ykk?rock-chips.com (unknown [192.168.167.153]) by lucky1.263xmail.com (Postfix) with SMTP id 267E358A; Tue, 14 Jun 2016 19:46:11 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id B942C29685; Tue, 14 Jun 2016 19:46:02 +0800 (CST) X-RL-SENDER: ykk@rock-chips.com X-FST-TO: yzq@rock-chips.com X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: ykk@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: ykk@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 15409ECZW91; Tue, 14 Jun 2016 19:46:04 +0800 (CST) From: Yakir Yang To: Mark Yao , Inki Dae , Jingoo Han , Heiko Stuebner Subject: [PATCH v3 02/10] drm/rockchip: analogix_dp: split the lcdc select setting into device data Date: Tue, 14 Jun 2016 19:46:08 +0800 Message-Id: <1465904768-805-1-git-send-email-ykk@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1465904718-663-1-git-send-email-ykk@rock-chips.com> References: <1465904718-663-1-git-send-email-ykk@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160614_044635_290667_077EC5A2 X-CRM114-Status: GOOD ( 12.09 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, David Airlie , daniel.vetter@ffwll.ch, emil.l.velikov@gmail.com, dianders@chromium.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Javier Martinez Canillas , Yakir Yang , Tomasz Figa , =?UTF-8?q?St=C3=A9phane=20Marchesin?= , Thierry Reding , Dan Carpenter MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP eDP controller need to declare which vop provide the video source, and it's defined in GRF registers. But different chips have different GRF register address, so we need to create a device data to declare the GRF messages for each chips. Signed-off-by: Yakir Yang Acked-by: Mark Yao --- Changes in v3: - Write a kerneldoc-style comment explaining the chips data fields (Tomasz, reviewed at Google Gerrit) [https://chromium-review.googlesource.com/#/c/346313/10/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c@39] - Drop the '.lcdcsel_mask' number in chips data field (Tomasz, reviewed at Google Gerrit) [https://chromium-review.googlesource.com/#/c/346313/10/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c@382] - Add acked flag from Mark. Changes in v2: None drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 39 +++++++++++++++++++------ 1 file changed, 30 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 2bc8a7e..3855f46 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -14,6 +14,7 @@ #include #include +#include #include #include #include @@ -35,11 +36,17 @@ #define to_dp(nm) container_of(nm, struct rockchip_dp_device, nm) -/* dp grf register offset */ -#define GRF_SOC_CON6 0x025c -#define GRF_EDP_LCD_SEL_MASK BIT(5) -#define GRF_EDP_SEL_VOP_LIT BIT(5) -#define GRF_EDP_SEL_VOP_BIG 0 +/** + * struct rockchip_dp_chip_data - splite the grf setting of kind of chips + * @lcdsel_grf_reg: grf register offset of lcdc select + * @lcdsel_big: reg value of selecting vop big for eDP + * @lcdsel_lit: reg value of selecting vop little for eDP + */ +struct rockchip_dp_chip_data { + u32 lcdsel_grf_reg; + u32 lcdsel_big; + u32 lcdsel_lit; +}; struct rockchip_dp_device { struct drm_device *drm_dev; @@ -51,6 +58,8 @@ struct rockchip_dp_device { struct regmap *grf; struct reset_control *rst; + const struct rockchip_dp_chip_data *data; + struct analogix_dp_plat_data plat_data; }; @@ -119,13 +128,13 @@ static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder) return; if (ret) - val = GRF_EDP_SEL_VOP_LIT | (GRF_EDP_LCD_SEL_MASK << 16); + val = dp->data->lcdsel_lit; else - val = GRF_EDP_SEL_VOP_BIG | (GRF_EDP_LCD_SEL_MASK << 16); + val = dp->data->lcdsel_big; dev_dbg(dp->dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG"); - ret = regmap_write(dp->grf, GRF_SOC_CON6, val); + ret = regmap_write(dp->grf, dp->data->lcdsel_grf_reg, val); if (ret != 0) { dev_err(dp->dev, "Could not write to GRF: %d\n", ret); return; @@ -246,6 +255,7 @@ static int rockchip_dp_bind(struct device *dev, struct device *master, void *data) { struct rockchip_dp_device *dp = dev_get_drvdata(dev); + const struct rockchip_dp_chip_data *dp_data; struct drm_device *drm_dev = data; int ret; @@ -256,10 +266,15 @@ static int rockchip_dp_bind(struct device *dev, struct device *master, */ dev_set_drvdata(dev, NULL); + dp_data = of_device_get_match_data(dev); + if (!dp_data) + return -ENODEV; + ret = rockchip_dp_init(dp); if (ret < 0) return ret; + dp->data = dp_data; dp->drm_dev = drm_dev; ret = rockchip_dp_drm_create_encoder(dp); @@ -365,8 +380,14 @@ static const struct dev_pm_ops rockchip_dp_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(rockchip_dp_suspend, rockchip_dp_resume) }; +static const struct rockchip_dp_chip_data rk3288_dp = { + .lcdsel_grf_reg = 0x025c, + .lcdsel_big = 0 | BIT(21), + .lcdsel_lit = BIT(5) | BIT(21), +}; + static const struct of_device_id rockchip_dp_dt_ids[] = { - {.compatible = "rockchip,rk3288-dp",}, + {.compatible = "rockchip,rk3288-dp", .data = &rk3288_dp }, {} }; MODULE_DEVICE_TABLE(of, rockchip_dp_dt_ids);