From patchwork Fri Oct 13 18:39:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Morgan X-Patchwork-Id: 734735 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 62ED217980 for ; Fri, 13 Oct 2023 18:39:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UcLERC1U" Received: from mail-oi1-x229.google.com (mail-oi1-x229.google.com [IPv6:2607:f8b0:4864:20::229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6EF5C0 for ; Fri, 13 Oct 2023 11:39:27 -0700 (PDT) Received: by mail-oi1-x229.google.com with SMTP id 5614622812f47-3b2b1b25547so507825b6e.3 for ; Fri, 13 Oct 2023 11:39:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1697222367; x=1697827167; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=XpG74RYAbsyeZPWO/cKaZxYQssK+OjpMXseuuKjO9Ig=; b=UcLERC1UBfED+giv6qjgjdkmO0gWBELqtpJXX75OYbfWrS8SExmJy+BwS7fHD0BdlA kX8VjDVAlrzINs8YWDAvHapeDy8915EBOcinzsd5Hr/z1Jb2Te8BBWRJuM2tNnRIIOwV GpdOPPMOjOgMngJ9vvDOzMQmKPXL5JELm+DX/opuFpZSTOsu8PBZlKSmg183poY25Fga sSihetDM6abCvOh3+bSlOJvH3HxTlAqvIA0py+qKFXYFzy8pxC1L7gB/gSQ6lXRBZg9D VbGkyXP8qpNy4cXURbHBgyIHDyMLF22mPfwVvD9W0iw+d54xS1mmNUkgJBxgtuQqPgTF YvHA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697222367; x=1697827167; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=XpG74RYAbsyeZPWO/cKaZxYQssK+OjpMXseuuKjO9Ig=; b=e1vPLeB0hq6TO9aJTI41VAu4ub4CZTXF9a7EgrzoMKmLm+R7Rf7scSKVDHkR3Qwf7v LULOWZbwvPIAl8XesKDYqZRacMgpbLDSIwuxzCwPvagYKdSzcXttu8FkS28MBUqEDfOf WnzFj2xakfNefTuujiu5E7+G2w7UHZs1kEgeZAn0Qsg5Wh+NlgziwjRE9b2HvF/O1KA9 2iH8MrKPiDbINWzEulckws45ONlUqgGAMUzzQmT+eNfT0Qj1ynWobe1HR0EAgnhDETZD +J6qEV10VydPx835+2lTH2zk6UZUMw06ouAYDJqlWDj8WUDTqWuDyIzdmfJq/79cLWup Kq3Q== X-Gm-Message-State: AOJu0YyD0Cl3Kzx4KZfeu9Gl/AmS2Obn+apAJEQq9E6FN4oUkDNx4fpR wgfsp6/V92Qi7e+0EILIcdE= X-Google-Smtp-Source: AGHT+IHCXxF7b1a3M3ZOkohw9lmflcVGCXq9oBMeHI9psiYwcW1lfGHZUQH76xDQHNnig2e2Hmhpxg== X-Received: by 2002:a05:6808:1823:b0:3ad:9540:5475 with SMTP id bh35-20020a056808182300b003ad95405475mr35536504oib.45.1697222367085; Fri, 13 Oct 2023 11:39:27 -0700 (PDT) Received: from localhost.localdomain ([75.28.21.198]) by smtp.gmail.com with ESMTPSA id bx19-20020a0568081b1300b003afe584ed4fsm842159oib.42.2023.10.13.11.39.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Oct 2023 11:39:26 -0700 (PDT) From: Chris Morgan To: linux-rockchip@lists.infradead.org Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, sebastian.reichel@collabora.com, andyshrk@163.com, jagan@edgeble.ai, daniel@ffwll.ch, airlied@gmail.com, sam@ravnborg.org, neil.armstrong@linaro.org, megous@megous.com, kernel@puri.sm, agx@sigxcpu.org, heiko@sntech.de, conor+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, Chris Morgan Subject: [PATCH 3/5] drm/panel: st7703: Add Powkiddy RGB30 Panel Support Date: Fri, 13 Oct 2023 13:39:16 -0500 Message-Id: <20231013183918.225666-4-macroalpha82@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231013183918.225666-1-macroalpha82@gmail.com> References: <20231013183918.225666-1-macroalpha82@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net From: Chris Morgan The Powkiddy RGB30 4 inch panel is a 4 inch 720x720 DSI panel used in the Powkiddy RGB30 handheld gaming device. Add support for it. TODO: The panel seems to not resume properly from suspend. I've confirmed on the other ST7703 based devices it works correctly. Signed-off-by: Chris Morgan --- drivers/gpu/drm/panel/panel-sitronix-st7703.c | 89 +++++++++++++++++++ 1 file changed, 89 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c index 6a3945639535..a9892a4447fb 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c @@ -433,6 +433,94 @@ static const struct st7703_panel_desc rg353v2_desc = { .init_sequence = rg353v2_init_sequence, }; +static int rgb30panel_init_sequence(struct st7703 *ctx) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + + /* Init sequence extracted from Powkiddy RGB30 BSP kernel. */ + + /* + * For some reason this specific panel must be taken out of sleep + * before the full init sequence, or else it will not display. + */ + mipi_dsi_dcs_exit_sleep_mode(dsi); + msleep(250); + + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, 0xf1, 0x12, 0x83); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI, 0x33, 0x81, 0x05, 0xf9, + 0x0e, 0x0e, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x44, 0x25, 0x00, 0x90, 0x0a, 0x00, + 0x00, 0x01, 0x4f, 0x01, 0x00, 0x00, 0x37); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT, 0x25, 0x22, 0xf0, + 0x63); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_UNKNOWN_BF, 0x02, 0x11, 0x00); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF, 0x10, 0x10, 0x28, + 0x28, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR, 0x73, 0x73, 0x50, 0x50, + 0x00, 0x00, 0x12, 0x70, 0x00); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x46); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0b); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP, 0x3c, 0x12, 0x30); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ, 0x07, 0x07, 0x0b, 0x0b, + 0x03, 0x0b, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, + 0xc0, 0x10); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER, 0x36, 0x00, 0x32, + 0x32, 0x77, 0xf1, 0xcc, 0xcc, 0x77, 0x77, 0x33, + 0x33); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x0a, 0x0a); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x88, 0x88); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1, 0xc8, 0x10, 0x0a, 0x10, + 0x0f, 0xa1, 0x80, 0x12, 0x31, 0x23, 0x47, 0x86, + 0xa1, 0x80, 0x47, 0x08, 0x00, 0x00, 0x0d, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, + 0x48, 0x02, 0x8b, 0xaf, 0x46, 0x02, 0x88, 0x88, + 0x88, 0x88, 0x88, 0x48, 0x13, 0x8b, 0xaf, 0x57, + 0x13, 0x88, 0x88, 0x88, 0x88, 0x88, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2, 0x96, 0x12, 0x01, 0x01, + 0x01, 0x78, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x4f, 0x31, 0x8b, 0xa8, 0x31, 0x75, 0x88, 0x88, + 0x88, 0x88, 0x88, 0x4f, 0x20, 0x8b, 0xa8, 0x20, + 0x64, 0x88, 0x88, 0x88, 0x88, 0x88, 0x23, 0x00, + 0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x40, 0xa1, 0x80, 0x00, 0x00, 0x00, + 0x00); + mipi_dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA, 0x00, 0x0a, 0x0f, + 0x29, 0x3b, 0x3f, 0x42, 0x39, 0x06, 0x0d, 0x10, + 0x13, 0x15, 0x14, 0x15, 0x10, 0x17, 0x00, 0x0a, + 0x0f, 0x29, 0x3b, 0x3f, 0x42, 0x39, 0x06, 0x0d, + 0x10, 0x13, 0x15, 0x14, 0x15, 0x10, 0x17); + + return 0; +} + +static const struct drm_display_mode rgb30panel_mode = { + .hdisplay = 720, + .hsync_start = 720 + 45, + .hsync_end = 720 + 45 + 4, + .htotal = 720 + 45 + 4 + 45, + .vdisplay = 720, + .vsync_start = 720 + 15, + .vsync_end = 720 + 15 + 3, + .vtotal = 720 + 15 + 3 + 11, + .clock = 36570, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + .width_mm = 76, + .height_mm = 76, +}; + +static const struct st7703_panel_desc rgb30panel_desc = { + .mode = &rgb30panel_mode, + .lanes = 4, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_NO_EOT_PACKET | MIPI_DSI_MODE_LPM, + .format = MIPI_DSI_FMT_RGB888, + .init_sequence = rgb30panel_init_sequence, +}; + static int st7703_enable(struct drm_panel *panel) { struct st7703 *ctx = panel_to_st7703(panel); @@ -694,6 +782,7 @@ static void st7703_remove(struct mipi_dsi_device *dsi) static const struct of_device_id st7703_of_match[] = { { .compatible = "anbernic,rg353v-panel-v2", .data = &rg353v2_desc }, + { .compatible = "powkiddy,rgb30-panel", .data = &rgb30panel_desc }, { .compatible = "rocktech,jh057n00900", .data = &jh057n00900_panel_desc }, { .compatible = "xingbangda,xbd599", .data = &xbd599_desc }, { /* sentinel */ }