From patchwork Thu Aug 29 20:20:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Detlev Casanova X-Patchwork-Id: 13783813 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 15F3EC87FD2 for ; Thu, 29 Aug 2024 20:27:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=k8XT4Dzig6qNDHkWw5gr5F8sbMP0jZOqdT18fuP2KoM=; b=Y038VkDdxdkvlX OH7zmtCKudG3xC8+zeMaY8DPI9hWbU/E3ts3AqUGKDf5OGserQs92vs0jd8lpJYA19HDa7wOL1l70 WTIjAqg5W+qLh8n871Px7bYuv2p35uTUYsLD2uQ4o2urf/lULj6nihzAwkgBHwakWkqkwvJ+h2Jjc IltTGYy2Xi9WA9ZsyD3Q+ShHAZwE4axkzEZZa3rQAOgCYhZDBw4LYED47oOL2mJ1/pe3jHt1sUFa3 eG9sRM35a2uAyTpmO9vWusdxDiezRXS52J0RtVPbG18L3tDZnVSQSM0bTtemyMzY4SpAzg0V/YCEE 5C7W1vxa64ufQ0lQtWQg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjlkI-00000003XlG-0Pk7; Thu, 29 Aug 2024 20:27:54 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjlib-00000003XFW-1y2M; Thu, 29 Aug 2024 20:26:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1724963167; bh=RlsFXO6KatDsM7/49cx/GSZQ9BgWcaXezSg0o3At/h0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i3l7IouF+s1UpEa2L7+qaXO296mVBKobWHSB2ihmSLDlW2UVpNIOkXxBEZWyvPenV itpTBBTmLqX+ABwHw0ap3KDWbkzx/U7dpuP1rYv5VU3Lv+B/jqI+gaR05zEeNmtloC ZKvXZDNlnxsPxfKudSGgrj0nSNYx3f+4IR+BA19iw3nfqDUlUYxSNkFBI6gsRmJO93 FJXy6oloTGPXSPJpDwKVxsLUiwuSxUWx/ZnEKrSP1upHgxaa08JZ8KX4+f21iVzmW9 UiZZ8Z1JG3b9PdE+LgouZm6w8XpNhr4HRUAMewg3nvmFEqiEnxpI9vW0FRquhsEFGQ kps7fiY8614Gg== Received: from trenzalore.hitronhub.home (unknown [23.233.251.139]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: detlev) by bali.collaboradmins.com (Postfix) with ESMTPSA id C2A0317E0FF5; Thu, 29 Aug 2024 22:26:05 +0200 (CEST) From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: Ulf Hansson , Heiko Stuebner , Detlev Casanova , Geert Uytterhoeven , Linus Walleij , Finley Xiao , Rob Herring , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, kernel@collabora.com Subject: [PATCH 1/2] pmdomain: rockchip: Add gating support Date: Thu, 29 Aug 2024 16:20:47 -0400 Message-ID: <20240829202732.75961-2-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240829202732.75961-1-detlev.casanova@collabora.com> References: <20240829202732.75961-1-detlev.casanova@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240829_132609_696660_1978E9DA X-CRM114-Status: GOOD ( 14.57 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Some rockchip SoC need to ungate power domains before their power status can be changed. Each power domain has a gate mask that is set to 1 to ungate it when manipulating power status, then set back to 0 to gate it again. Signed-off-by: Detlev Casanova --- drivers/pmdomain/rockchip/pm-domains.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index 64b4d7120d832..5b601efadd2e0 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -46,6 +46,7 @@ struct rockchip_domain_info { bool active_wakeup; int pwr_w_mask; int req_w_mask; + int clk_ungate_mask; int mem_status_mask; int repair_status_mask; u32 pwr_offset; @@ -63,6 +64,7 @@ struct rockchip_pmu_info { u32 chain_status_offset; u32 mem_status_offset; u32 repair_status_offset; + u32 clk_ungate_offset; u32 core_pwrcnt_offset; u32 gpu_pwrcnt_offset; @@ -303,6 +305,26 @@ static unsigned int rockchip_pmu_read_ack(struct rockchip_pmu *pmu) return val; } +static int rockchip_pmu_ungate_clk(struct rockchip_pm_domain *pd, bool ungate) +{ + const struct rockchip_domain_info *pd_info = pd->info; + struct rockchip_pmu *pmu = pd->pmu; + unsigned int val; + int clk_ungate_w_mask = pd_info->clk_ungate_mask << 16; + + if (!pd_info->clk_ungate_mask) + return 0; + + if (!pmu->info->clk_ungate_offset) + return 0; + + val = ungate ? (pd_info->clk_ungate_mask | clk_ungate_w_mask) : + clk_ungate_w_mask; + regmap_write(pmu->regmap, pmu->info->clk_ungate_offset, val); + + return 0; +} + static int rockchip_pmu_set_idle_request(struct rockchip_pm_domain *pd, bool idle) { @@ -543,6 +565,8 @@ static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on) return ret; } + rockchip_pmu_ungate_clk(pd, true); + if (!power_on) { rockchip_pmu_save_qos(pd); @@ -559,6 +583,7 @@ static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on) rockchip_pmu_restore_qos(pd); } + rockchip_pmu_ungate_clk(pd, false); clk_bulk_disable(pd->num_clks, pd->clks); } From patchwork Thu Aug 29 20:20:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Detlev Casanova X-Patchwork-Id: 13783814 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BCAA2C87FD2 for ; Thu, 29 Aug 2024 20:28:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hdGWSMqsL/iChtA23d8fghKn5VsMeKgXRVdVw2ZswWo=; b=BOmcgeZpFe8r+S A5RHTbt2R35gPJRJidj+8GzduKuAo2k36iJ+CMWgbcGrVEB6J2u73QBlE6Ge33Rx0Ujf7LHO1CyU6 Gc8Eqk+uwYAYXnKXvmkLu2lTp0nogTfaK81KjUD4hOP92UB06DUVHHSw8Qo2P799+OPZ3boBld8SK UrVDjkLzrnATad6Hmetb2in/8Lo+IW0JqXkAEXEyVkG9cCo2malA4l+YDl5c5ONHD512L2kDwlwq0 Rj+NTjSARdumMoReTUuOlbEjtudxqhUO83C+pxMaN4wg3dltKB6kLTHisDCEH06KsjiOfh+QfOrO+ lKs32wO4/bTrEJfY1X+g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjll7-00000003YNe-3DlI; Thu, 29 Aug 2024 20:28:45 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjlic-00000003XGa-2SjJ; Thu, 29 Aug 2024 20:26:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1724963169; bh=sQE61qiplUVQwvO+oRXKg1alqgEO6GT2ZbgV3dVP5dM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=m+3wxnG5exmXtAEqCUCBPpytsEHDSwDuLl+NSwV04IOKUw+82TeeTXQH9O99M+Zw0 zV6FGaU9/3PGvETIS4hI4EK+USEBFdd3DLk4V9KmcCs1E1AOtffokk70jGv2/QtH56 PBbWKEBMbTHfP+JYNUP38SqVLdEqn0hQRBc/ezSLexQ+C2gGJNH522LoBx3On9z3wL ZuQgHds0Nwr1wzUJZnNcbmqTwBkWTzUKJUCiJUdezEkrne0ZOo36eA9HNl15iD4Z9a bip6hxCy36fcILQ6zrNb5dsA3Pw56beEOa9ocJIMmUruGSiI99vmZvloaLPgpx5A1+ K4/aH/0elPEPA== Received: from trenzalore.hitronhub.home (unknown [23.233.251.139]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: detlev) by bali.collaboradmins.com (Postfix) with ESMTPSA id 94AEB17E1034; Thu, 29 Aug 2024 22:26:07 +0200 (CEST) From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: Ulf Hansson , Heiko Stuebner , Detlev Casanova , Geert Uytterhoeven , Linus Walleij , Finley Xiao , Rob Herring , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, kernel@collabora.com Subject: [PATCH 2/2] pmdomain: rockchip: Add gating masks for rk3576 Date: Thu, 29 Aug 2024 16:20:48 -0400 Message-ID: <20240829202732.75961-3-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240829202732.75961-1-detlev.casanova@collabora.com> References: <20240829202732.75961-1-detlev.casanova@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240829_132610_802165_2704FF74 X-CRM114-Status: GOOD ( 13.27 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org The RK3576 SoC needs to ungate the power domains before their status can be modified. The values have been taken from the rockchip downstream driver. Signed-off-by: Detlev Casanova --- drivers/pmdomain/rockchip/pm-domains.c | 62 +++++++++++++++++--------- 1 file changed, 41 insertions(+), 21 deletions(-) diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index 5b601efadd2e0..ab2d34f21718b 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -147,6 +147,25 @@ struct rockchip_pmu { .active_wakeup = wakeup, \ } +#define DOMAIN_M_O_R_G(_name, p_offset, pwr, status, m_offset, m_status, r_status, r_offset, req, idle, ack, g_mask, wakeup) \ +{ \ + .name = _name, \ + .pwr_offset = p_offset, \ + .pwr_w_mask = (pwr) << 16, \ + .pwr_mask = (pwr), \ + .status_mask = (status), \ + .mem_offset = m_offset, \ + .mem_status_mask = (m_status), \ + .repair_status_mask = (r_status), \ + .req_offset = r_offset, \ + .req_w_mask = (req) << 16, \ + .req_mask = (req), \ + .idle_mask = (idle), \ + .clk_ungate_mask = (g_mask), \ + .ack_mask = (ack), \ + .active_wakeup = wakeup, \ +} + #define DOMAIN_RK3036(_name, req, ack, idle, wakeup) \ { \ .name = _name, \ @@ -178,8 +197,8 @@ struct rockchip_pmu { #define DOMAIN_RK3568(name, pwr, req, wakeup) \ DOMAIN_M(name, pwr, pwr, req, req, req, wakeup) -#define DOMAIN_RK3576(name, p_offset, pwr, status, r_status, r_offset, req, idle, wakeup) \ - DOMAIN_M_O_R(name, p_offset, pwr, status, 0, r_status, r_status, r_offset, req, idle, idle, wakeup) +#define DOMAIN_RK3576(name, p_offset, pwr, status, r_status, r_offset, req, idle, g_mask, wakeup) \ + DOMAIN_M_O_R_G(name, p_offset, pwr, status, 0, r_status, r_status, r_offset, req, idle, idle, g_mask, wakeup) /* * Dynamic Memory Controller may need to coordinate with us -- see @@ -1136,25 +1155,25 @@ static const struct rockchip_domain_info rk3568_pm_domains[] = { }; static const struct rockchip_domain_info rk3576_pm_domains[] = { - [RK3576_PD_NPU] = DOMAIN_RK3576("npu", 0x0, BIT(0), BIT(0), 0, 0x0, 0, 0, false), - [RK3576_PD_NVM] = DOMAIN_RK3576("nvm", 0x0, BIT(6), 0, BIT(6), 0x4, BIT(2), BIT(18), false), - [RK3576_PD_SDGMAC] = DOMAIN_RK3576("sdgmac", 0x0, BIT(7), 0, BIT(7), 0x4, BIT(1), BIT(17), false), - [RK3576_PD_AUDIO] = DOMAIN_RK3576("audio", 0x0, BIT(8), 0, BIT(8), 0x4, BIT(0), BIT(16), false), - [RK3576_PD_PHP] = DOMAIN_RK3576("php", 0x0, BIT(9), 0, BIT(9), 0x0, BIT(15), BIT(15), false), - [RK3576_PD_SUBPHP] = DOMAIN_RK3576("subphp", 0x0, BIT(10), 0, BIT(10), 0x0, 0, 0, false), - [RK3576_PD_VOP] = DOMAIN_RK3576("vop", 0x0, BIT(11), 0, BIT(11), 0x0, 0x6000, 0x6000, false), - [RK3576_PD_VO1] = DOMAIN_RK3576("vo1", 0x0, BIT(14), 0, BIT(14), 0x0, BIT(12), BIT(12), false), - [RK3576_PD_VO0] = DOMAIN_RK3576("vo0", 0x0, BIT(15), 0, BIT(15), 0x0, BIT(11), BIT(11), false), - [RK3576_PD_USB] = DOMAIN_RK3576("usb", 0x4, BIT(0), 0, BIT(16), 0x0, BIT(10), BIT(10), true), - [RK3576_PD_VI] = DOMAIN_RK3576("vi", 0x4, BIT(1), 0, BIT(17), 0x0, BIT(9), BIT(9), false), - [RK3576_PD_VEPU0] = DOMAIN_RK3576("vepu0", 0x4, BIT(2), 0, BIT(18), 0x0, BIT(7), BIT(7), false), - [RK3576_PD_VEPU1] = DOMAIN_RK3576("vepu1", 0x4, BIT(3), 0, BIT(19), 0x0, BIT(8), BIT(8), false), - [RK3576_PD_VDEC] = DOMAIN_RK3576("vdec", 0x4, BIT(4), 0, BIT(20), 0x0, BIT(6), BIT(6), false), - [RK3576_PD_VPU] = DOMAIN_RK3576("vpu", 0x4, BIT(5), 0, BIT(21), 0x0, BIT(5), BIT(5), false), - [RK3576_PD_NPUTOP] = DOMAIN_RK3576("nputop", 0x4, BIT(6), 0, BIT(22), 0x0, 0x18, 0x18, false), - [RK3576_PD_NPU0] = DOMAIN_RK3576("npu0", 0x4, BIT(7), 0, BIT(23), 0x0, BIT(1), BIT(1), false), - [RK3576_PD_NPU1] = DOMAIN_RK3576("npu1", 0x4, BIT(8), 0, BIT(24), 0x0, BIT(2), BIT(2), false), - [RK3576_PD_GPU] = DOMAIN_RK3576("gpu", 0x4, BIT(9), 0, BIT(25), 0x0, BIT(0), BIT(0), false), + [RK3576_PD_NPU] = DOMAIN_RK3576("npu", 0x0, BIT(0), BIT(0), 0, 0x0, 0, 0, 0, false), + [RK3576_PD_NVM] = DOMAIN_RK3576("nvm", 0x0, BIT(6), 0, BIT(6), 0x4, BIT(2), BIT(18), BIT(2), false), + [RK3576_PD_SDGMAC] = DOMAIN_RK3576("sdgmac", 0x0, BIT(7), 0, BIT(7), 0x4, BIT(1), BIT(17), 0x6, false), + [RK3576_PD_AUDIO] = DOMAIN_RK3576("audio", 0x0, BIT(8), 0, BIT(8), 0x4, BIT(0), BIT(16), BIT(0), false), + [RK3576_PD_PHP] = DOMAIN_RK3576("php", 0x0, BIT(9), 0, BIT(9), 0x0, BIT(15), BIT(15), BIT(15), false), + [RK3576_PD_SUBPHP] = DOMAIN_RK3576("subphp", 0x0, BIT(10), 0, BIT(10), 0x0, 0, 0, 0, false), + [RK3576_PD_VOP] = DOMAIN_RK3576("vop", 0x0, BIT(11), 0, BIT(11), 0x0, 0x6000, 0x6000, 0x6000, false), + [RK3576_PD_VO1] = DOMAIN_RK3576("vo1", 0x0, BIT(14), 0, BIT(14), 0x0, BIT(12), BIT(12), 0x7000, false), + [RK3576_PD_VO0] = DOMAIN_RK3576("vo0", 0x0, BIT(15), 0, BIT(15), 0x0, BIT(11), BIT(11), 0x6800, false), + [RK3576_PD_USB] = DOMAIN_RK3576("usb", 0x4, BIT(0), 0, BIT(16), 0x0, BIT(10), BIT(10), 0x6400, true), + [RK3576_PD_VI] = DOMAIN_RK3576("vi", 0x4, BIT(1), 0, BIT(17), 0x0, BIT(9), BIT(9), BIT(9), false), + [RK3576_PD_VEPU0] = DOMAIN_RK3576("vepu0", 0x4, BIT(2), 0, BIT(18), 0x0, BIT(7), BIT(7), 0x280, false), + [RK3576_PD_VEPU1] = DOMAIN_RK3576("vepu1", 0x4, BIT(3), 0, BIT(19), 0x0, BIT(8), BIT(8), BIT(8), false), + [RK3576_PD_VDEC] = DOMAIN_RK3576("vdec", 0x4, BIT(4), 0, BIT(20), 0x0, BIT(6), BIT(6), BIT(6), false), + [RK3576_PD_VPU] = DOMAIN_RK3576("vpu", 0x4, BIT(5), 0, BIT(21), 0x0, BIT(5), BIT(5), BIT(5), false), + [RK3576_PD_NPUTOP] = DOMAIN_RK3576("nputop", 0x4, BIT(6), 0, BIT(22), 0x0, 0x18, 0x18, 0x18, false), + [RK3576_PD_NPU0] = DOMAIN_RK3576("npu0", 0x4, BIT(7), 0, BIT(23), 0x0, BIT(1), BIT(1), 0x1a, false), + [RK3576_PD_NPU1] = DOMAIN_RK3576("npu1", 0x4, BIT(8), 0, BIT(24), 0x0, BIT(2), BIT(2), 0x1c, false), + [RK3576_PD_GPU] = DOMAIN_RK3576("gpu", 0x4, BIT(9), 0, BIT(25), 0x0, BIT(0), BIT(0), BIT(0), false), }; static const struct rockchip_domain_info rk3588_pm_domains[] = { @@ -1345,6 +1364,7 @@ static const struct rockchip_pmu_info rk3576_pmu = { .idle_offset = 0x128, .ack_offset = 0x120, .repair_status_offset = 0x570, + .clk_ungate_offset = 0x140, .num_domains = ARRAY_SIZE(rk3576_pm_domains), .domain_info = rk3576_pm_domains,