From patchwork Thu Dec 4 10:10:58 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Yan X-Patchwork-Id: 5441121 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 0E1099F6B5 for ; Fri, 5 Dec 2014 01:38:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A41A420379 for ; Fri, 5 Dec 2014 01:38:33 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 3D5B120375 for ; Fri, 5 Dec 2014 01:38:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 96BE86E69B; Thu, 4 Dec 2014 17:38:26 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from lucky1.263xmail.com (lucky1.263xmail.com [211.157.147.132]) by gabe.freedesktop.org (Postfix) with ESMTP id B86886E6B8 for ; Thu, 4 Dec 2014 02:11:25 -0800 (PST) Received: from andy.yan?rock-chips.com (unknown [192.168.167.224]) by lucky1.263xmail.com (Postfix) with SMTP id 24DD830400; Thu, 4 Dec 2014 18:11:23 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 3B473ED2; Thu, 4 Dec 2014 18:11:16 +0800 (CST) X-RL-SENDER: andy.yan@rock-chips.com X-FST-TO: airlied@linux.ie X-SENDER-IP: 127.0.0.1 X-LOGIN-NAME: andy.yan@rock-chips.com X-UNIQUE-TAG: <6716c3c9bac6d9c87117d80daa1eddcb> X-ATTACHMENT-NUM: 0 X-SENDER: yxj@rock-chips.com X-DNS-TYPE: 1 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) whith ESMTP id 26430N2W4QT; Thu, 04 Dec 2014 18:11:16 +0800 (CST) From: Andy Yan To: airlied@linux.ie, Philipp Zabel , heiko@sntech.de, fabio.estevam@freescale.com, rmk+kernel@arm.linux.org.uk Subject: [PATCH v17 12/12] drm: bridge/dw_hdmi: add rockchip rk3288 support Date: Thu, 4 Dec 2014 18:10:58 +0800 Message-Id: <1417687858-13497-1-git-send-email-andy.yan@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1417686826-12687-1-git-send-email-andy.yan@rock-chips.com> References: <1417686826-12687-1-git-send-email-andy.yan@rock-chips.com> X-Mailman-Approved-At: Thu, 04 Dec 2014 17:38:25 -0800 Cc: Mark Rutland , dri-devel@lists.freedesktop.org, ykk@rock-chips.com, devel@driverdev.osuosl.org, Arnd Bergmann , linux-rockchip@lists.infradead.org, Grant Likely , Dave Airlie , jay.xu@rock-chips.com, devicetree@vger.kernel.org, Zubair.Kakakhel@imgtec.com, Pawel Moll , Ian Campbell , Rob Herring , mark.yao@rock-chips.com, Josh Boyer , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, djkurtz@google.com, Kumar Gala , Andy Yan , vladimir_zapolskiy@mentor.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 Rockchip RK3288 hdmi is compatible with dw_hdmi this patch is depend on patch by Mark Yao see https://lkml.org/lkml/2014/12/2/161 drm: rockchip: Add basic drm driver Signed-off-by: Andy Yan --- Changes in v17: - parse resource and irq in platform driver Changes in v16: None Changes in v15: - remove THIS_MODULE in platform driver Changes in v14: None Changes in v13: None Changes in v12: - add comment for the depend on patch Changes in v11: None Changes in v10: - add more display mode support mpll configuration for rk3288 Changes in v9: - move some phy configuration to platform driver Changes in v8: None Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None drivers/gpu/drm/bridge/dw_hdmi.c | 3 + drivers/gpu/drm/rockchip/Kconfig | 10 + drivers/gpu/drm/rockchip/Makefile | 2 + drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 340 ++++++++++++++++++++++++++++ include/drm/bridge/dw_hdmi.h | 1 + 5 files changed, 356 insertions(+) create mode 100644 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c index 5ec337e..c01b423 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -852,6 +852,9 @@ static int hdmi_phy_configure(struct dw_hdmi *hdmi, unsigned char prep, dw_hdmi_phy_gen2_txpwron(hdmi, 1); dw_hdmi_phy_gen2_pddq(hdmi, 0); + if (hdmi->dev_type == RK3288_HDMI) + dw_hdmi_phy_enable_spare(hdmi, 1); + /*Wait for PHY PLL lock */ msec = 5; do { diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig index ca9f085..6ebebe8 100644 --- a/drivers/gpu/drm/rockchip/Kconfig +++ b/drivers/gpu/drm/rockchip/Kconfig @@ -15,3 +15,13 @@ config DRM_ROCKCHIP management to userspace. This driver does not provide 2D or 3D acceleration; acceleration is performed by other IP found on the SoC. + +config ROCKCHIP_DW_HDMI + bool "Rockchip specific extensions for Synopsys DW HDMI" + depends on DRM_ROCKCHIP + select DRM_DW_HDMI + help + This selects support for Rockchip SoC specific extensions + for the Synopsys DesignWare HDMI driver. If you want to + enable HDMI on RK3288 based SoC, you should selet this + option. diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile index 2cb0672..beed7df 100644 --- a/drivers/gpu/drm/rockchip/Makefile +++ b/drivers/gpu/drm/rockchip/Makefile @@ -5,4 +5,6 @@ rockchipdrm-y := rockchip_drm_drv.o rockchip_drm_fb.o rockchip_drm_fbdev.o \ rockchip_drm_gem.o +rockchipdrm-$(CONFIG_ROCKCHIP_DW_HDMI) += dw_hdmi-rockchip.o + obj-$(CONFIG_DRM_ROCKCHIP) += rockchipdrm.o rockchip_drm_vop.o diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c new file mode 100644 index 0000000..28b258e --- /dev/null +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -0,0 +1,340 @@ +/* + * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "rockchip_drm_drv.h" +#include "rockchip_drm_vop.h" + +#define GRF_SOC_CON6 0x025c +#define HDMI_SEL_VOP_LIT (1 << 4) + +struct rockchip_hdmi { + struct device *dev; + struct regmap *regmap; + struct drm_encoder encoder; +}; + +#define to_rockchip_hdmi(x) container_of(x, struct rockchip_hdmi, x) + +static const struct dw_hdmi_mpll_config rockchip_mpll_cfg[] = { + { + 27000000, { + { 0x00b3, 0x0000}, + { 0x2153, 0x0000}, + { 0x40f3, 0x0000} + }, + }, { + 36000000, { + { 0x00b3, 0x0000}, + { 0x2153, 0x0000}, + { 0x40f3, 0x0000} + }, + }, { + 40000000, { + { 0x00b3, 0x0000}, + { 0x2153, 0x0000}, + { 0x40f3, 0x0000} + }, + }, { + 54000000, { + { 0x0072, 0x0001}, + { 0x2142, 0x0001}, + { 0x40a2, 0x0001}, + }, + }, { + 65000000, { + { 0x0072, 0x0001}, + { 0x2142, 0x0001}, + { 0x40a2, 0x0001}, + }, + }, { + 66000000, { + { 0x013e, 0x0003}, + { 0x217e, 0x0002}, + { 0x4061, 0x0002} + }, + }, { + 74250000, { + { 0x0072, 0x0001}, + { 0x2145, 0x0002}, + { 0x4061, 0x0002} + }, + }, { + 83500000, { + { 0x0072, 0x0001}, + }, + }, { + 108000000, { + { 0x0051, 0x0002}, + { 0x2145, 0x0002}, + { 0x4061, 0x0002} + }, + }, { + 106500000, { + { 0x0051, 0x0002}, + { 0x2145, 0x0002}, + { 0x4061, 0x0002} + }, + }, { + 146250000, { + { 0x0051, 0x0002}, + { 0x2145, 0x0002}, + { 0x4061, 0x0002} + }, + }, { + 148500000, { + { 0x0051, 0x0003}, + { 0x214c, 0x0003}, + { 0x4064, 0x0003} + }, + }, { + ~0UL, { + { 0x00a0, 0x000a }, + { 0x2001, 0x000f }, + { 0x4002, 0x000f }, + }, + } +}; + +static const struct dw_hdmi_curr_ctrl rockchip_cur_ctr[] = { + /* pixelclk bpp8 bpp10 bpp12 */ + { + 40000000, { 0x0018, 0x0018, 0x0018 }, + }, { + 65000000, { 0x0028, 0x0028, 0x0028 }, + }, { + 66000000, { 0x0038, 0x0038, 0x0038 }, + }, { + 74250000, { 0x0028, 0x0038, 0x0038 }, + }, { + 83500000, { 0x0028, 0x0038, 0x0038 }, + }, { + 146250000, { 0x0038, 0x0038, 0x0038 }, + }, { + 148500000, { 0x0000, 0x0038, 0x0038 }, + }, { + ~0UL, { 0x0000, 0x0000, 0x0000}, + } +}; + +static const struct dw_hdmi_sym_term rockchip_sym_term[] = { + /*pixelclk symbol term*/ + { 74250000, 0x8009, 0x0004 }, + { 148500000, 0x8029, 0x0004 }, + { 297000000, 0x8039, 0x0005 }, + { ~0UL, 0x0000, 0x0000 } +}; + +static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi) +{ + struct device_node *np = hdmi->dev->of_node; + + hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); + if (IS_ERR(hdmi->regmap)) { + dev_err(hdmi->dev, "Unable to get rockchip,grf\n"); + return PTR_ERR(hdmi->regmap); + } + + return 0; +} + +static enum drm_mode_status +dw_hdmi_rockchip_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + const struct dw_hdmi_mpll_config *mpll_cfg = rockchip_mpll_cfg; + int pclk = mode->clock * 1000; + bool valid = false; + int i; + + for (i = 0; mpll_cfg[i].mpixelclock != (~0UL); i++) { + if (pclk == mpll_cfg[i].mpixelclock) { + valid = true; + break; + } + } + + return (valid) ? MODE_OK : MODE_BAD; +} + +static struct drm_encoder_funcs dw_hdmi_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + +static void dw_hdmi_rockchip_disable(struct drm_encoder *encoder) +{ +} + +static bool dw_hdmi_rockchip_mode_fixup(struct drm_encoder *encoder, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +static void dw_hdmi_rockchip_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ +} + +static void dw_hdmi_rockchip_commit(struct drm_encoder *encoder) +{ + struct rockchip_hdmi *hdmi = to_rockchip_hdmi(encoder); + u32 val; + int mux; + + mux = rockchip_drm_encoder_get_mux_id(hdmi->dev->of_node, encoder); + if (mux) + val = HDMI_SEL_VOP_LIT | (HDMI_SEL_VOP_LIT << 16); + else + val = HDMI_SEL_VOP_LIT << 16; + + regmap_write(hdmi->regmap, GRF_SOC_CON6, val); + dev_dbg(hdmi->dev, "vop %s output to hdmi\n", + (mux) ? "LIT" : "BIG"); +} + +static void dw_hdmi_rockchip_prepare(struct drm_encoder *encoder) +{ + rockchip_drm_crtc_mode_config(encoder->crtc, DRM_MODE_CONNECTOR_HDMIA, + ROCKCHIP_OUT_MODE_AAAA); +} + +static struct drm_encoder_helper_funcs dw_hdmi_encoder_helper_funcs = { + .mode_fixup = dw_hdmi_rockchip_mode_fixup, + .mode_set = dw_hdmi_rockchip_mode_set, + .prepare = dw_hdmi_rockchip_prepare, + .commit = dw_hdmi_rockchip_commit, + .disable = dw_hdmi_rockchip_disable, +}; + +static const struct dw_hdmi_plat_data rockchip_hdmi_drv_data = { + .mode_valid = dw_hdmi_rockchip_mode_valid, + .mpll_cfg = rockchip_mpll_cfg, + .cur_ctr = rockchip_cur_ctr, + .sym_term = rockchip_sym_term, + .dev_type = RK3288_HDMI, +}; + +static const struct of_device_id dw_hdmi_rockchip_ids[] = { + { .compatible = "rockchip,rk3288-dw-hdmi", + .data = &rockchip_hdmi_drv_data + }, + {}, +}; +MODULE_DEVICE_TABLE(of, dw_hdmi_rockchip_dt_ids); + +static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, + void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + const struct dw_hdmi_plat_data *plat_data; + const struct of_device_id *match; + struct drm_device *drm = data; + struct drm_encoder *encoder; + struct rockchip_hdmi *hdmi; + struct resource *iores; + int irq; + int ret; + + if (!pdev->dev.of_node) + return -ENODEV; + + hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL); + if (!hdmi) + return -ENOMEM; + + match = of_match_node(dw_hdmi_rockchip_ids, pdev->dev.of_node); + plat_data = match->data; + hdmi->dev = &pdev->dev; + encoder = &hdmi->encoder; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iores) + return -ENXIO; + + platform_set_drvdata(pdev, hdmi); + + encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); + /* + * If we failed to find the CRTC(s) which this encoder is + * supposed to be connected to, it's because the CRTC has + * not been registered yet. Defer probing, and hope that + * the required CRTC is added later. + */ + if (encoder->possible_crtcs == 0) + return -EPROBE_DEFER; + + ret = rockchip_hdmi_parse_dt(hdmi); + if (ret) { + dev_err(hdmi->dev, "Unable to parse OF data\n"); + return ret; + } + + drm_encoder_helper_add(encoder, &dw_hdmi_encoder_helper_funcs); + drm_encoder_init(drm, encoder, &dw_hdmi_encoder_funcs, + DRM_MODE_ENCODER_TMDS); + + return dw_hdmi_bind(dev, master, data, encoder, iores, irq, plat_data); +} + +static void dw_hdmi_rockchip_unbind(struct device *dev, struct device *master, + void *data) +{ + return dw_hdmi_unbind(dev, master, data); +} + +static const struct component_ops dw_hdmi_rockchip_ops = { + .bind = dw_hdmi_rockchip_bind, + .unbind = dw_hdmi_rockchip_unbind, +}; + +static int dw_hdmi_rockchip_probe(struct platform_device *pdev) +{ + return component_add(&pdev->dev, &dw_hdmi_rockchip_ops); +} + +static int dw_hdmi_rockchip_remove(struct platform_device *pdev) +{ + component_del(&pdev->dev, &dw_hdmi_rockchip_ops); + + return 0; +} + +static struct platform_driver dw_hdmi_rockchip_pltfm_driver = { + .probe = dw_hdmi_rockchip_probe, + .remove = dw_hdmi_rockchip_remove, + .driver = { + .name = "dwhdmi-rockchip", + .of_match_table = dw_hdmi_rockchip_ids, + }, +}; + +module_platform_driver(dw_hdmi_rockchip_pltfm_driver); + +MODULE_AUTHOR("Andy Yan "); +MODULE_AUTHOR("Yakir Yang "); +MODULE_DESCRIPTION("Rockchip Specific DW-HDMI Driver Extension"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:dwhdmi-rockchip"); diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h index fbb813f..e9c1f5e 100644 --- a/include/drm/bridge/dw_hdmi.h +++ b/include/drm/bridge/dw_hdmi.h @@ -22,6 +22,7 @@ enum { enum dw_hdmi_devtype { IMX6Q_HDMI, IMX6DL_HDMI, + RK3288_HDMI, }; struct dw_hdmi_mpll_config {