From patchwork Sun Mar 1 02:57:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yakir Yang X-Patchwork-Id: 5916931 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 771329F373 for ; Mon, 2 Mar 2015 19:42:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7927A20218 for ; Mon, 2 Mar 2015 19:42:17 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 1526420222 for ; Mon, 2 Mar 2015 19:42:16 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 54473260704; Mon, 2 Mar 2015 20:42:15 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 3B8C42604D0; Mon, 2 Mar 2015 20:41:39 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id A49A8260422; Sun, 1 Mar 2015 03:59:17 +0100 (CET) Received: from regular1.263xmail.com (regular1.263xmail.com [211.150.99.131]) by alsa0.perex.cz (Postfix) with ESMTP id 4012226041F for ; Sun, 1 Mar 2015 03:59:11 +0100 (CET) Received: from ykk?rock-chips.com (unknown [192.168.167.190]) by regular1.263xmail.com (Postfix) with SMTP id 6B7683072; Sun, 1 Mar 2015 10:59:08 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 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 C8B1F29A3C; Sun, 1 Mar 2015 10:59:03 +0800 (CST) X-RL-SENDER: ykk@rock-chips.com X-FST-TO: lgirdwood@gmail.com X-SENDER-IP: 58.22.7.114 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 [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 11884GCPPUN; Sun, 01 Mar 2015 10:59:06 +0800 (CST) From: Yakir Yang To: Liam Girdwood , djkurtz@chromium.org, dianders@chromium.org, linux-rockchip@lists.infradead.org Date: Sat, 28 Feb 2015 21:57:09 -0500 Message-Id: <1425178629-2588-1-git-send-email-ykk@rock-chips.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1425175834-24661-1-git-send-email-ykk@rock-chips.com> References: <1425175834-24661-1-git-send-email-ykk@rock-chips.com> X-Mailman-Approved-At: Mon, 02 Mar 2015 20:41:37 +0100 Cc: alsa-devel@alsa-project.org, David Airlie , dri-devel@lists.freedesktop.org, Max Filippov , Yakir Yang , Bard Liao , mmind00@googlemail.com, Lars-Peter Clausen , Axel Lin , Takashi Iwai , Russell King , Sean Cross , Oder Chiou , Arnd Bergmann , Jyri Sarha , Ben Zhang , Mark Brown , marcheu@chromium.org, mark.yao@rock-chips.com, Fabio Estevam , Brian Austin , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Philipp Zabel , Andy Yan Subject: [alsa-devel] [PATCH v4 12/15] drm: bridge/dw_hdmi: creat dw-hdmi-audio platform device X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP creat dw-hdmi-audio device dynamically in probe function, and transfer some interfaces to dw-hdmi-audio driver for setting hdmi audio format & control hdmi audio clock. Signed-off-by: Yakir Yang --- Changes in v4: None Changes in v3: - Remove audio_config & get_connect_status callback functions and add write/read/mod register callback functions Changes in v2: - Update the audio control interfaces drivers/gpu/drm/bridge/dw_hdmi.c | 29 +++++++++++++++++++++++++++++ include/drm/bridge/dw_hdmi.h | 15 +++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c index 54185e2..2ffd3e7 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -125,6 +125,8 @@ struct dw_hdmi { struct drm_encoder *encoder; struct drm_bridge *bridge; + struct platform_device *audio_pdev; + enum dw_hdmi_devtype dev_type; struct device *dev; struct clk *isfr_clk; @@ -512,6 +514,12 @@ static void hdmi_clk_regenerator_update_pixel_clock(struct dw_hdmi *hdmi) hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock); } +static void hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int sample_rate) +{ + hdmi->sample_rate = sample_rate; + hdmi_set_clk_regenerator(hdmi, hdmi->hdmi_data.video_mode.mpixelclock); +} + /* * this submodule is responsible for the video data synchronization. * for example, for RGB 4:4:4 input, the data map is defined as @@ -1801,6 +1809,8 @@ int dw_hdmi_bind(struct device *dev, struct device *master, struct resource *iores, int irq, const struct dw_hdmi_plat_data *plat_data) { + struct platform_device_info pdevinfo; + struct dw_hdmi_audio_data audio; struct drm_device *drm = data; struct device_node *np = dev->of_node; struct device_node *ddc_node; @@ -1920,6 +1930,25 @@ int dw_hdmi_bind(struct device *dev, struct device *master, dev_set_drvdata(dev, hdmi); + memset(&pdevinfo, 0, sizeof(pdevinfo)); + pdevinfo.parent = dev; + pdevinfo.id = PLATFORM_DEVID_NONE; + + audio.irq = irq; + audio.dw = hdmi; + audio.mod = hdmi_modb; + audio.read = hdmi_readb; + audio.write = hdmi_writeb; + audio.enable = dw_hdmi_audio_enable; + audio.disable = dw_hdmi_audio_disable; + audio.set_sample_rate = hdmi_set_sample_rate; + + pdevinfo.name = "dw-hdmi-audio"; + pdevinfo.data = &audio; + pdevinfo.size_data = sizeof(audio); + pdevinfo.dma_mask = DMA_BIT_MASK(32); + hdmi->audio_pdev = platform_device_register_full(&pdevinfo); + return 0; err_iahb: diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h index e8cfe1c..23ca491 100644 --- a/include/drm/bridge/dw_hdmi.h +++ b/include/drm/bridge/dw_hdmi.h @@ -12,6 +12,8 @@ #include +struct dw_hdmi; + enum { DW_HDMI_RES_8, DW_HDMI_RES_10, @@ -44,6 +46,19 @@ struct dw_hdmi_sym_term { u16 term; /*transmission termination value*/ }; +struct dw_hdmi_audio_data { + int irq; + struct dw_hdmi *dw; + + u8 (*read)(struct dw_hdmi *hdmi, int offset); + void (*write)(struct dw_hdmi *hdmi, u8 val, int offset); + void (*mod)(struct dw_hdmi *hdmi, u8 data, u8 mask, unsigned reg); + + void (*enable)(struct dw_hdmi *hdmi); + void (*disable)(struct dw_hdmi *hdmi); + void (*set_sample_rate)(struct dw_hdmi *hdmi, unsigned int rate); +}; + struct dw_hdmi_plat_data { enum dw_hdmi_devtype dev_type; const struct dw_hdmi_mpll_config *mpll_cfg;