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Tue, 18 May 2021 09:52:17 +0000 From: quanyang.wang@windriver.com To: Paul Cercueil , Hyun Kwon , Laurent Pinchart , David Airlie , Daniel Vetter , Michal Simek Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Quanyang Wang Subject: [V2][PATCH 2/2] drm: xlnx: consolidate the functions which programming AUDIO_VIDEO_SELECT register Date: Tue, 18 May 2021 17:50:19 +0800 Message-Id: <20210518095019.3855369-3-quanyang.wang@windriver.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210518095019.3855369-1-quanyang.wang@windriver.com> References: <20210518095019.3855369-1-quanyang.wang@windriver.com> X-Originating-IP: [60.247.85.82] X-ClientProxiedBy: HK2PR04CA0090.apcprd04.prod.outlook.com (2603:1096:202:15::34) To DM5PR11MB0075.namprd11.prod.outlook.com (2603:10b6:4:6c::16) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pek-qwang2-d1.wrs.com (60.247.85.82) by HK2PR04CA0090.apcprd04.prod.outlook.com (2603:1096:202:15::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.35 via Frontend Transport; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Quanyang Wang For now, the functions zynqmp_disp_avbuf_enable/disable_audio and zynqmp_disp_avbuf_enable/disable_video are all programming the register AV_BUF_OUTPUT_AUDIO_VIDEO_SELECT to select the output for audio or video. And in the future, many drm properties (like video_tpg, audio_tpg, audio_pl, etc) also need to access it. So let's introduce some variables of enum type and consolidate the code to unify handling this. Signed-off-by: Quanyang Wang --- drivers/gpu/drm/xlnx/zynqmp_disp.c | 168 ++++++++++++++---------- drivers/gpu/drm/xlnx/zynqmp_disp_regs.h | 23 +--- 2 files changed, 106 insertions(+), 85 deletions(-) diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c index eefb278e24c6..3672d2f5665b 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c @@ -102,12 +102,39 @@ enum zynqmp_disp_layer_id { /** * enum zynqmp_disp_layer_mode - Layer mode - * @ZYNQMP_DISP_LAYER_NONLIVE: non-live (memory) mode + * @ZYNQMP_DISP_LAYER_MEM: memory mode * @ZYNQMP_DISP_LAYER_LIVE: live (stream) mode + * @ZYNQMP_DISP_LAYER_TPG: tpg mode (only for video layer) + * @ZYNQMP_DISP_LAYER_DISABLE: disable mode */ enum zynqmp_disp_layer_mode { - ZYNQMP_DISP_LAYER_NONLIVE, - ZYNQMP_DISP_LAYER_LIVE + ZYNQMP_DISP_LAYER_MEM, + ZYNQMP_DISP_LAYER_LIVE, + ZYNQMP_DISP_LAYER_TPG, + ZYNQMP_DISP_LAYER_DISABLE +}; + +enum avbuf_vid_mode { + VID_MODE_LIVE, + VID_MODE_MEM, + VID_MODE_TPG, + VID_MODE_NONE +}; + +enum avbuf_gfx_mode { + GFX_MODE_DISABLE, + GFX_MODE_MEM, + GFX_MODE_LIVE, + GFX_MODE_NONE +}; + +enum avbuf_aud_mode { + AUD1_MODE_LIVE, + AUD1_MODE_MEM, + AUD1_MODE_TPG, + AUD1_MODE_DISABLE, + AUD2_MODE_DISABLE, + AUD2_MODE_ENABLE }; /** @@ -542,92 +569,102 @@ static void zynqmp_disp_avbuf_disable_channels(struct zynqmp_disp_avbuf *avbuf) } /** - * zynqmp_disp_avbuf_enable_audio - Enable audio + * zynqmp_disp_avbuf_output_select - Select the buffer manager outputs * @avbuf: Audio/video buffer manager + * @layer: The layer + * @mode: The mode for this layer * - * Enable all audio buffers with a non-live (memory) source. + * Select the buffer manager outputs for @layer. */ -static void zynqmp_disp_avbuf_enable_audio(struct zynqmp_disp_avbuf *avbuf) +static void zynqmp_disp_avbuf_output_select(struct zynqmp_disp_avbuf *avbuf, + struct zynqmp_disp_layer *layer, + u32 mode) { - u32 val; + u32 reg; - val = zynqmp_disp_avbuf_read(avbuf, ZYNQMP_DISP_AV_BUF_OUTPUT); - val &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MASK; - val |= ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MEM; - val |= ZYNQMP_DISP_AV_BUF_OUTPUT_AUD2_EN; - zynqmp_disp_avbuf_write(avbuf, ZYNQMP_DISP_AV_BUF_OUTPUT, val); + reg = zynqmp_disp_avbuf_read(avbuf, ZYNQMP_DISP_AV_BUF_OUTPUT); + + /* Select audio mode when the layer is NULL */ + if (layer == NULL) { + if (mode >= AUD2_MODE_DISABLE) { + reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_AUD2_MASK; + reg |= FIELD_PREP(ZYNQMP_DISP_AV_BUF_OUTPUT_AUD2_MASK, + (mode - AUD2_MODE_DISABLE)); + } else { + reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MASK; + reg |= FIELD_PREP(ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MASK, mode); + } + } else if (is_layer_vid(layer)) { + reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MASK; + reg |= FIELD_PREP(ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MASK, mode); + } else { + reg &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MASK; + reg |= FIELD_PREP(ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MASK, mode); + } + + zynqmp_disp_avbuf_write(avbuf, ZYNQMP_DISP_AV_BUF_OUTPUT, reg); } /** - * zynqmp_disp_avbuf_disable_audio - Disable audio + * zynqmp_disp_avbuf_enable_audio - Enable audio * @avbuf: Audio/video buffer manager * - * Disable all audio buffers. + * Enable all audio buffers. */ -static void zynqmp_disp_avbuf_disable_audio(struct zynqmp_disp_avbuf *avbuf) +static void zynqmp_disp_avbuf_enable_audio(struct zynqmp_disp_avbuf *avbuf) { - u32 val; - - val = zynqmp_disp_avbuf_read(avbuf, ZYNQMP_DISP_AV_BUF_OUTPUT); - val &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MASK; - val |= ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_DISABLE; - val &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_AUD2_EN; - zynqmp_disp_avbuf_write(avbuf, ZYNQMP_DISP_AV_BUF_OUTPUT, val); + zynqmp_disp_avbuf_output_select(avbuf, NULL, AUD1_MODE_MEM); + zynqmp_disp_avbuf_output_select(avbuf, NULL, AUD2_MODE_ENABLE); } /** - * zynqmp_disp_avbuf_enable_video - Enable a video layer + * zynqmp_disp_avbuf_disable_audio - Disable audio * @avbuf: Audio/video buffer manager - * @layer: The layer - * @mode: Operating mode of layer * - * Enable the video/graphics buffer for @layer. + * Disable all audio buffers. */ -static void zynqmp_disp_avbuf_enable_video(struct zynqmp_disp_avbuf *avbuf, - struct zynqmp_disp_layer *layer, - enum zynqmp_disp_layer_mode mode) +static void zynqmp_disp_avbuf_disable_audio(struct zynqmp_disp_avbuf *avbuf) { - u32 val; - - val = zynqmp_disp_avbuf_read(avbuf, ZYNQMP_DISP_AV_BUF_OUTPUT); - if (is_layer_vid(layer)) { - val &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MASK; - if (mode == ZYNQMP_DISP_LAYER_NONLIVE) - val |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MEM; - else - val |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_LIVE; - } else { - val &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MASK; - val |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MEM; - if (mode == ZYNQMP_DISP_LAYER_NONLIVE) - val |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MEM; - else - val |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_LIVE; - } - zynqmp_disp_avbuf_write(avbuf, ZYNQMP_DISP_AV_BUF_OUTPUT, val); + zynqmp_disp_avbuf_output_select(avbuf, NULL, AUD1_MODE_DISABLE); + zynqmp_disp_avbuf_output_select(avbuf, NULL, AUD2_MODE_DISABLE); } /** - * zynqmp_disp_avbuf_disable_video - Disable a video layer - * @avbuf: Audio/video buffer manager + * zynqmp_disp_avbuf_set_layer_output - Set layer output * @layer: The layer + * @mode: The layer mode * - * Disable the video/graphics buffer for @layer. + * Set output for @layer */ -static void zynqmp_disp_avbuf_disable_video(struct zynqmp_disp_avbuf *avbuf, - struct zynqmp_disp_layer *layer) +static void zynqmp_disp_avbuf_set_layer_output(struct zynqmp_disp_layer *layer, + enum zynqmp_disp_layer_mode mode) { - u32 val; - - val = zynqmp_disp_avbuf_read(avbuf, ZYNQMP_DISP_AV_BUF_OUTPUT); - if (is_layer_vid(layer)) { - val &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MASK; - val |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_NONE; - } else { - val &= ~ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MASK; - val |= ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_DISABLE; + struct zynqmp_disp *disp = layer->disp; + int val; + + switch (mode) { + case ZYNQMP_DISP_LAYER_LIVE: + val = is_layer_vid(layer) ? VID_MODE_LIVE : GFX_MODE_LIVE; + break; + case ZYNQMP_DISP_LAYER_MEM: + val = is_layer_vid(layer) ? VID_MODE_MEM : GFX_MODE_MEM; + break; + case ZYNQMP_DISP_LAYER_TPG: + if (!is_layer_vid(layer)) { + dev_err(disp->dev, "gfx layer has no tpg mode\n"); + return; + } + val = VID_MODE_TPG; + break; + case ZYNQMP_DISP_LAYER_DISABLE: + val = is_layer_vid(layer) ? VID_MODE_NONE : GFX_MODE_DISABLE; + break; + default: + dev_err(disp->dev, "invalid layer mode\n"); + return; } - zynqmp_disp_avbuf_write(avbuf, ZYNQMP_DISP_AV_BUF_OUTPUT, val); + + zynqmp_disp_avbuf_output_select(&disp->avbuf, layer, val); } /** @@ -1030,11 +1067,10 @@ zynqmp_disp_layer_find_format(struct zynqmp_disp_layer *layer, */ static void zynqmp_disp_layer_enable(struct zynqmp_disp_layer *layer) { - zynqmp_disp_avbuf_enable_video(&layer->disp->avbuf, layer, - ZYNQMP_DISP_LAYER_NONLIVE); + zynqmp_disp_avbuf_set_layer_output(layer, ZYNQMP_DISP_LAYER_MEM); zynqmp_disp_blend_layer_enable(&layer->disp->blend, layer); - layer->mode = ZYNQMP_DISP_LAYER_NONLIVE; + layer->mode = ZYNQMP_DISP_LAYER_MEM; } /** @@ -1051,7 +1087,7 @@ static void zynqmp_disp_layer_disable(struct zynqmp_disp_layer *layer) for (i = 0; i < layer->drm_fmt->num_planes; i++) dmaengine_terminate_sync(layer->dmas[i].chan); - zynqmp_disp_avbuf_disable_video(&layer->disp->avbuf, layer); + zynqmp_disp_avbuf_set_layer_output(layer, ZYNQMP_DISP_LAYER_DISABLE); zynqmp_disp_blend_layer_disable(&layer->disp->blend, layer); } diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp_regs.h b/drivers/gpu/drm/xlnx/zynqmp_disp_regs.h index f92a006d5070..4316e324102d 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_disp_regs.h +++ b/drivers/gpu/drm/xlnx/zynqmp_disp_regs.h @@ -118,25 +118,10 @@ #define ZYNQMP_DISP_AV_BUF_STC_SNAPSHOT0 0x60 #define ZYNQMP_DISP_AV_BUF_STC_SNAPSHOT1 0x64 #define ZYNQMP_DISP_AV_BUF_OUTPUT 0x70 -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_SHIFT 0 -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MASK (0x3 << 0) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_LIVE (0 << 0) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MEM (1 << 0) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_PATTERN (2 << 0) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_NONE (3 << 0) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_SHIFT 2 -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MASK (0x3 << 2) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_DISABLE (0 << 2) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MEM (1 << 2) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_LIVE (2 << 2) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_NONE (3 << 2) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_SHIFT 4 -#define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MASK (0x3 << 4) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_PL (0 << 4) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MEM (1 << 4) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_PATTERN (2 << 4) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_DISABLE (3 << 4) -#define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD2_EN BIT(6) +#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID1_MASK GENMASK(1, 0) +#define ZYNQMP_DISP_AV_BUF_OUTPUT_VID2_MASK GENMASK(3, 2) +#define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD1_MASK GENMASK(5, 4) +#define ZYNQMP_DISP_AV_BUF_OUTPUT_AUD2_MASK BIT(6) #define ZYNQMP_DISP_AV_BUF_HCOUNT_VCOUNT_INT0 0x74 #define ZYNQMP_DISP_AV_BUF_HCOUNT_VCOUNT_INT1 0x78 #define ZYNQMP_DISP_AV_BUF_PATTERN_GEN_SELECT 0x100 -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel