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Fri, 1 Nov 2024 10:39:24 GMT Received: from hu-tdas-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 1 Nov 2024 03:39:19 -0700 From: Taniya Das Date: Fri, 1 Nov 2024 16:08:22 +0530 Subject: [PATCH v2 10/11] clk: qcom: videocc-qcs615: Add QCS615 video clock controller driver Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20241101-qcs615-mm-clockcontroller-v2-10-d1a4870a4aed@quicinc.com> References: <20241101-qcs615-mm-clockcontroller-v2-0-d1a4870a4aed@quicinc.com> In-Reply-To: <20241101-qcs615-mm-clockcontroller-v2-0-d1a4870a4aed@quicinc.com> To: Bjorn Andersson , Michael Turquette , Stephen Boyd , Abhishek Sahu , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon CC: Ajit Pandey , Imran Shaik , Jagadeesh Kona , , , , , , Taniya Das X-Mailer: b4 0.15-dev-aa3f6 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: go8oeojjSo14lqyNZuZMzAYbpugTN6M6 X-Proofpoint-ORIG-GUID: go8oeojjSo14lqyNZuZMzAYbpugTN6M6 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 adultscore=0 spamscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411010076 Add support for the video clock controller for video clients to be able to request for the clocks on QCS615 platform. Signed-off-by: Taniya Das --- drivers/clk/qcom/Kconfig | 8 + drivers/clk/qcom/Makefile | 1 + drivers/clk/qcom/videocc-qcs615.c | 332 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 341 insertions(+) diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index ed610310699696f92b4a5938635e7b2ab757358c..7ef2037b3b0dd01fec0c6be8b6030ebaab182117 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -494,6 +494,14 @@ config QCS_GPUCC_615 Say Y if you want to support graphics controller devices and functionality such as 3D graphics. +config QCS_VIDEOCC_615 + tristate "QCS615 Video Clock Controller" + select QCS_GCC_615 + help + Support for the video clock controller on QCS615 devices. + Say Y if you want to support video devices and functionality such as + video encode and decode. + config SC_CAMCC_7180 tristate "SC7180 Camera Clock Controller" depends on ARM64 || COMPILE_TEST diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index a45b6fa28c1d04fd42dcde6e6f22378baa7c8e60..b024e75e49435a3d2f449bbdb9c2cef8e7958eca 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -73,6 +73,7 @@ obj-$(CONFIG_QCS_DISPCC_615) += dispcc-qcs615.o obj-$(CONFIG_QCS_CAMCC_615) += camcc-qcs615.o obj-$(CONFIG_QCS_GCC_404) += gcc-qcs404.o obj-$(CONFIG_QCS_GPUCC_615) += gpucc-qcs615.o +obj-$(CONFIG_QCS_VIDEOCC_615) += videocc-qcs615.o obj-$(CONFIG_QCS_Q6SSTOP_404) += q6sstop-qcs404.o obj-$(CONFIG_QCS_TURING_404) += turingcc-qcs404.o obj-$(CONFIG_QDU_ECPRICC_1000) += ecpricc-qdu1000.o diff --git a/drivers/clk/qcom/videocc-qcs615.c b/drivers/clk/qcom/videocc-qcs615.c new file mode 100644 index 0000000000000000000000000000000000000000..60259e7a1d04b0a1038ddfce3507e84e358abd77 --- /dev/null +++ b/drivers/clk/qcom/videocc-qcs615.c @@ -0,0 +1,332 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include +#include +#include +#include +#include +#include + +#include + +#include "clk-alpha-pll.h" +#include "clk-branch.h" +#include "clk-pll.h" +#include "clk-rcg.h" +#include "clk-regmap.h" +#include "clk-regmap-divider.h" +#include "clk-regmap-mux.h" +#include "common.h" +#include "gdsc.h" +#include "reset.h" + +enum { + DT_BI_TCXO, + DT_SLEEP_CLK, +}; + +enum { + P_BI_TCXO, + P_SLEEP_CLK, + P_VIDEO_PLL0_OUT_AUX, + P_VIDEO_PLL0_OUT_AUX2, + P_VIDEO_PLL0_OUT_MAIN, +}; + +static const struct pll_vco video_cc_pll0_vco[] = { + { 500000000, 1000000000, 2 }, +}; + +/* 600MHz configuration */ +static struct alpha_pll_config video_pll0_config = { + .l = 0x1f, + .alpha_hi = 0x40, + .alpha = 0x00, + .alpha_en_mask = BIT(24), + .vco_val = 0x2 << 20, + .vco_mask = 0x3 << 20, + .main_output_mask = BIT(0), + .config_ctl_val = 0x4001055b, + .test_ctl_hi_val = 0x1, + .test_ctl_hi_mask = 0x1, +}; + +static struct clk_alpha_pll video_pll0 = { + .offset = 0x42c, + .vco_table = video_cc_pll0_vco, + .num_vco = ARRAY_SIZE(video_cc_pll0_vco), + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT], + .clkr = { + .hw.init = &(const struct clk_init_data) { + .name = "video_pll0", + .parent_data = &(const struct clk_parent_data) { + .index = DT_BI_TCXO, + }, + .num_parents = 1, + .ops = &clk_alpha_pll_slew_ops, + }, + }, +}; + +static const struct parent_map video_cc_parent_map_0[] = { + { P_SLEEP_CLK, 0 }, +}; + +static const struct clk_parent_data video_cc_parent_data_0_ao[] = { + { .index = DT_SLEEP_CLK }, +}; + +static const struct parent_map video_cc_parent_map_1[] = { + { P_BI_TCXO, 0 }, + { P_VIDEO_PLL0_OUT_MAIN, 1 }, + { P_VIDEO_PLL0_OUT_AUX, 2 }, + { P_VIDEO_PLL0_OUT_AUX2, 3 }, +}; + +static const struct clk_parent_data video_cc_parent_data_1[] = { + { .index = DT_BI_TCXO }, + { .hw = &video_pll0.clkr.hw }, + { .hw = &video_pll0.clkr.hw }, + { .hw = &video_pll0.clkr.hw }, +}; + +static const struct freq_tbl ftbl_video_cc_sleep_clk_src[] = { + F(32000, P_SLEEP_CLK, 1, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_sleep_clk_src = { + .cmd_rcgr = 0xaf8, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_0, + .freq_tbl = ftbl_video_cc_sleep_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_sleep_clk_src", + .parent_data = video_cc_parent_data_0_ao, + .num_parents = ARRAY_SIZE(video_cc_parent_data_0_ao), + .ops = &clk_rcg2_ops, + }, +}; + +static const struct freq_tbl ftbl_video_cc_venus_clk_src[] = { + F(19200000, P_BI_TCXO, 1, 0, 0), + F(133333333, P_VIDEO_PLL0_OUT_MAIN, 4.5, 0, 0), + F(240000000, P_VIDEO_PLL0_OUT_MAIN, 2.5, 0, 0), + F(300000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + F(380000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + F(410000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + F(460000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0), + { } +}; + +static struct clk_rcg2 video_cc_venus_clk_src = { + .cmd_rcgr = 0x7f0, + .mnd_width = 0, + .hid_width = 5, + .parent_map = video_cc_parent_map_1, + .freq_tbl = ftbl_video_cc_venus_clk_src, + .clkr.hw.init = &(const struct clk_init_data) { + .name = "video_cc_venus_clk_src", + .parent_data = video_cc_parent_data_1, + .num_parents = ARRAY_SIZE(video_cc_parent_data_1), + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_rcg2_shared_ops, + }, +}; + +static struct clk_branch video_cc_sleep_clk = { + .halt_reg = 0xb18, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0xb18, + .enable_mask = BIT(0), + .hw.init = &(struct clk_init_data){ + .name = "video_cc_sleep_clk", + .parent_data = &(const struct clk_parent_data){ + .hw = &video_cc_sleep_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_vcodec0_axi_clk = { + .halt_reg = 0x8f0, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x8f0, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_vcodec0_axi_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_vcodec0_core_clk = { + .halt_reg = 0x890, + .halt_check = BRANCH_HALT_VOTED, + .clkr = { + .enable_reg = 0x890, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_vcodec0_core_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_venus_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_venus_ahb_clk = { + .halt_reg = 0x9b0, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x9b0, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_venus_ahb_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_venus_ctl_axi_clk = { + .halt_reg = 0x8d0, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x8d0, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_venus_ctl_axi_clk", + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct clk_branch video_cc_venus_ctl_core_clk = { + .halt_reg = 0x850, + .halt_check = BRANCH_HALT, + .clkr = { + .enable_reg = 0x850, + .enable_mask = BIT(0), + .hw.init = &(const struct clk_init_data) { + .name = "video_cc_venus_ctl_core_clk", + .parent_hws = (const struct clk_hw*[]) { + &video_cc_venus_clk_src.clkr.hw, + }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + .ops = &clk_branch2_ops, + }, + }, +}; + +static struct gdsc vcodec0_gdsc = { + .gdscr = 0x874, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "vcodec0_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = HW_CTRL_TRIGGER | POLL_CFG_GDSCR, +}; + +static struct gdsc venus_gdsc = { + .gdscr = 0x814, + .en_rest_wait_val = 0x2, + .en_few_wait_val = 0x2, + .clk_dis_wait_val = 0x6, + .pd = { + .name = "venus_gdsc", + }, + .pwrsts = PWRSTS_OFF_ON, + .flags = POLL_CFG_GDSCR, +}; + +static struct clk_regmap *video_cc_qcs615_clocks[] = { + [VIDEO_CC_SLEEP_CLK] = &video_cc_sleep_clk.clkr, + [VIDEO_CC_SLEEP_CLK_SRC] = &video_cc_sleep_clk_src.clkr, + [VIDEO_CC_VCODEC0_AXI_CLK] = &video_cc_vcodec0_axi_clk.clkr, + [VIDEO_CC_VCODEC0_CORE_CLK] = &video_cc_vcodec0_core_clk.clkr, + [VIDEO_CC_VENUS_AHB_CLK] = &video_cc_venus_ahb_clk.clkr, + [VIDEO_CC_VENUS_CLK_SRC] = &video_cc_venus_clk_src.clkr, + [VIDEO_CC_VENUS_CTL_AXI_CLK] = &video_cc_venus_ctl_axi_clk.clkr, + [VIDEO_CC_VENUS_CTL_CORE_CLK] = &video_cc_venus_ctl_core_clk.clkr, + [VIDEO_PLL0] = &video_pll0.clkr, +}; + +static struct gdsc *video_cc_qcs615_gdscs[] = { + [VCODEC0_GDSC] = &vcodec0_gdsc, + [VENUS_GDSC] = &venus_gdsc, +}; + +static const struct qcom_reset_map video_cc_qcs615_resets[] = { + [VIDEO_CC_INTERFACE_BCR] = { 0x8b0 }, + [VIDEO_CC_VCODEC0_BCR] = { 0x870 }, + [VIDEO_CC_VENUS_BCR] = { 0x810 }, +}; + +static const struct regmap_config video_cc_qcs615_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0xb94, + .fast_io = true, +}; + +static const struct qcom_cc_desc video_cc_qcs615_desc = { + .config = &video_cc_qcs615_regmap_config, + .clks = video_cc_qcs615_clocks, + .num_clks = ARRAY_SIZE(video_cc_qcs615_clocks), + .resets = video_cc_qcs615_resets, + .num_resets = ARRAY_SIZE(video_cc_qcs615_resets), + .gdscs = video_cc_qcs615_gdscs, + .num_gdscs = ARRAY_SIZE(video_cc_qcs615_gdscs), +}; + +static const struct of_device_id video_cc_qcs615_match_table[] = { + { .compatible = "qcom,qcs615-videocc" }, + { } +}; +MODULE_DEVICE_TABLE(of, video_cc_qcs615_match_table); + +static int video_cc_qcs615_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + + regmap = qcom_cc_map(pdev, &video_cc_qcs615_desc); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + clk_alpha_pll_configure(&video_pll0, regmap, &video_pll0_config); + + /* Keep some clocks always enabled */ + qcom_branch_set_clk_en(regmap, 0xab8); /* VIDEO_CC_XO_CLK */ + + return qcom_cc_really_probe(&pdev->dev, &video_cc_qcs615_desc, regmap); +} + +static struct platform_driver video_cc_qcs615_driver = { + .probe = video_cc_qcs615_probe, + .driver = { + .name = "videocc-qcs615", + .of_match_table = video_cc_qcs615_match_table, + }, +}; + +module_platform_driver(video_cc_qcs615_driver); + +MODULE_DESCRIPTION("QTI VIDEOCC QCS615 Driver"); +MODULE_LICENSE("GPL");