[4/7] media: qcom: camss: Add VFE680 support

Message ID	20250120-linux-next-25-01-19-x1e80100-camss-driver-v1-4-44c62a0edcd2@linaro.org
State	New
Headers	show Received: from mail-wr1-f54.google.com (mail-wr1-f54.google.com [209.85.221.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2D1771EB9F4 for <linux-media@vger.kernel.org>; Mon, 20 Jan 2025 15:47:08 +0000 (UTC) From: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Date: Mon, 20 Jan 2025 15:47:01 +0000 Subject: [PATCH 4/7] media: qcom: camss: Add VFE680 support Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250120-linux-next-25-01-19-x1e80100-camss-driver-v1-4-44c62a0edcd2@linaro.org> References: <20250120-linux-next-25-01-19-x1e80100-camss-driver-v1-0-44c62a0edcd2@linaro.org> In-Reply-To: <20250120-linux-next-25-01-19-x1e80100-camss-driver-v1-0-44c62a0edcd2@linaro.org> To: Robert Foss <rfoss@kernel.org>, Todor Tomov <todor.too@gmail.com>, Mauro Carvalho Chehab <mchehab@kernel.org> Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>, Depeng Shao <quic_depengs@quicinc.com>, Vikram Sharma <quic_vikramsa@quicinc.com>, Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Series	media: qcom: camss: Add X1 Elite support \| expand [0/7] media: qcom: camss: Add X1 Elite support [3/7] media: qcom: camss: Add CSID 680 support [4/7] media: qcom: camss: Add VFE680 support [6/7] media: qcom: camss: csiphy-3ph: Add 4nm CSIPHY 2ph 5Gbps DPHY v2.1.2 init sequence

diff --git a/drivers/media/platform/qcom/camss/Makefile b/drivers/media/platform/qcom/camss/Makefile index 71797745f2f71..d26a9c24a430a 100644 --- a/drivers/media/platform/qcom/camss/Makefile +++ b/drivers/media/platform/qcom/camss/Makefile @@ -18,6 +18,7 @@ qcom-camss-objs += \ camss-vfe-4-8.o \ camss-vfe-17x.o \ camss-vfe-480.o \ + camss-vfe-680.o \ camss-vfe-780.o \ camss-vfe-gen1.o \ camss-vfe.o \ diff --git a/drivers/media/platform/qcom/camss/camss-vfe-680.c b/drivers/media/platform/qcom/camss/camss-vfe-680.c new file mode 100644 index 0000000000000..1b2aa2c98887a --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss-vfe-680.c @@ -0,0 +1,243 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * camss-vfe-680.c + * + * Qualcomm MSM Camera Subsystem - VFE (Video Front End) Module v680 + * + * Copyright (C) 2024 Linaro Ltd. + */ + +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/iopoll.h> + +#include "camss.h" +#include "camss-vfe.h" + +#define VFE_TOP_IRQn_STATUS(vfe, n) ((vfe_is_lite(vfe) ? 0x1c : 0x44) + (n) * 4) +#define VFE_TOP_IRQn_MASK(vfe, n) ((vfe_is_lite(vfe) ? 0x24 : 0x34) + (n) * 4) +#define VFE_TOP_IRQn_CLEAR(vfe, n) ((vfe_is_lite(vfe) ? 0x2c : 0x3c) + (n) * 4) +#define VFE_IRQ1_SOF(vfe, rdi) ((vfe_is_lite(vfe) ? BIT(2) : BIT(8)) << ((rdi) * 2)) +#define VFE_IRQ1_EOF(vfe, rdi) ((vfe_is_lite(vfe) ? BIT(3) : BIT(9)) << ((rdi) * 2)) +#define VFE_TOP_IRQ_CMD(vfe) (vfe_is_lite(vfe) ? 0x38 : 0x30) +#define VFE_TOP_IRQ_CMD_GLOBAL_CLEAR BIT(0) +#define VFE_TOP_DIAG_CONFIG (vfe_is_lite(vfe) ? 0x40 : 0x50) + +#define VFE_TOP_DEBUG_11(vfe) (vfe_is_lite(vfe) ? 0x40 : 0xcc) +#define VFE_TOP_DEBUG_12(vfe) (vfe_is_lite(vfe) ? 0x40 : 0xd0) +#define VFE_TOP_DEBUG_13(vfe) (vfe_is_lite(vfe) ? 0x40 : 0xd4) + +#define VFE_BUS_IRQn_MASK(vfe, n) ((vfe_is_lite(vfe) ? 0x218 : 0xc18) + (n) * 4) +#define VFE_BUS_IRQn_CLEAR(vfe, n) ((vfe_is_lite(vfe) ? 0x220 : 0xc20) + (n) * 4) +#define VFE_BUS_IRQn_STATUS(vfe, n) ((vfe_is_lite(vfe) ? 0x228 : 0xc28) + (n) * 4) +#define VFE_BUS_IRQ_GLOBAL_CLEAR(vfe) (vfe_is_lite(vfe) ? 0x230 : 0xc30) +#define VFE_BUS_WR_VIOLATION_STATUS(vfe) (vfe_is_lite(vfe) ? 0x264 : 0xc64) +#define VFE_BUS_WR_OVERFLOW_STATUS(vfe) (vfe_is_lite(vfe) ? 0x268 : 0xc68) +#define VFE_BUS_WR_IMAGE_VIOLATION_STATUS(vfe) (vfe_is_lite(vfe) ? 0x270 : 0xc70) + +#define VFE_BUS_CFG(vfe, c) ((vfe_is_lite(vfe) ? 0x400 : 0xe00) + (c) * 0x100) +#define VFE_BUS_IMAGE_ADDR(vfe, c) ((vfe_is_lite(vfe) ? 0x404 : 0xe04) + (c) * 0x100) +#define VFE_BUS_FRAME_INCR(vfe, c) ((vfe_is_lite(vfe) ? 0x408 : 0xe08) + (c) * 0x100) +#define VFE_BUS_IMAGE_CFG0(vfe, c) ((vfe_is_lite(vfe) ? 0x40c : 0xe0c) + (c) * 0x100) +#define VFE_BUS_IMAGE_CFG0_DATA(h, s) (((h) << 16) | ((s) >> 4)) +#define WM_IMAGE_CFG_0_DEFAULT_WIDTH (0xFFFF) + +#define VFE_BUS_IMAGE_CFG1(vfe, c) ((vfe_is_lite(vfe) ? 0x410 : 0xe10) + (c) * 0x100) +#define VFE_BUS_IMAGE_CFG2(vfe, c) ((vfe_is_lite(vfe) ? 0x414 : 0xe14) + (c) * 0x100) +#define VFE_BUS_PACKER_CFG(vfe, c) ((vfe_is_lite(vfe) ? 0x418 : 0xe18) + (c) * 0x100) +#define VFE_BUS_IRQ_SUBSAMPLE_PERIOD(vfe, c) ((vfe_is_lite(vfe) ? 0x430 : 0xe30) + (c) * 0x100) +#define VFE_BUS_IRQ_SUBSAMPLE_PATTERN(vfe, c) ((vfe_is_lite(vfe) ? 0x434 : 0xe34) + (c) * 0x100) +#define VFE_BUS_FRAMEDROP_PERIOD(vfe, c) ((vfe_is_lite(vfe) ? 0x438 : 0xe38) + (c) * 0x100) +#define VFE_BUS_FRAMEDROP_PATTERN(vfe, c) ((vfe_is_lite(vfe) ? 0x43c : 0xe3c) + (c) * 0x100) +#define VFE_BUS_MMU_PREFETCH_CFG(vfe, c) ((vfe_is_lite(vfe) ? 0x460 : 0xe60) + (c) * 0x100) +#define VFE_BUS_MMU_PREFETCH_CFG_EN BIT(0) +#define VFE_BUS_MMU_PREFETCH_MAX_OFFSET(vfe, c) ((vfe_is_lite(vfe) ? 0x464 : 0xe64) + (c) * 0x100) +#define VFE_BUS_ADDR_STATUS0(vfe, c) ((vfe_is_lite(vfe) ? 0x470 : 0xe70) + (c) * 0x100) + +/* + * TODO: differentiate the port id based on requested type of RDI, BHIST etc + * + * IFE write master IDs + * + * VIDEO_FULL_Y 0 + * VIDEO_FULL_C 1 + * VIDEO_DS_4:1 2 + * VIDEO_DS_16:1 3 + * DISPLAY_FULL_Y 4 + * DISPLAY_FULL_C 5 + * DISPLAY_DS_4:1 6 + * DISPLAY_DS_16:1 7 + * FD_Y 8 + * FD_C 9 + * PIXEL_RAW 10 + * STATS_BE0 11 + * STATS_BHIST0 12 + * STATS_TINTLESS_BG 13 + * STATS_AWB_BG 14 + * STATS_AWB_BFW 15 + * STATS_BAF 16 + * STATS_BHIST 17 + * STATS_RS 18 + * STATS_IHIST 19 + * SPARSE_PD 20 + * PDAF_V2.0_PD_DATA 21 + * PDAF_V2.0_SAD 22 + * LCR 23 + * RDI0 24 + * RDI1 25 + * RDI2 26 + * LTM_STATS 27 + * + * IFE Lite write master IDs + * + * RDI0 0 + * RDI1 1 + * RDI2 2 + * RDI3 3 + * GAMMA 4 + * BE 5 + */ + +/* TODO: assign an ENUM in resources and use the provided master + * id directly for RDI, STATS, AWB_BG, BHIST. + * This macro only works because RDI is all we support right now. + */ +#define RDI_WM(n) ((vfe_is_lite(vfe) ? 0 : 24) + (n)) + +static void vfe_global_reset(struct vfe_device *vfe) +{ + /* VFE680 has no global reset, simply report a completion */ + complete(&vfe->reset_complete); +} + +/* + * vfe_isr - VFE module interrupt handler + * @irq: Interrupt line + * @dev: VFE device + * + * Return IRQ_HANDLED on success + */ +static irqreturn_t vfe_isr(int irq, void *dev) +{ + return IRQ_HANDLED; +} + +/* + * vfe_halt - Trigger halt on VFE module and wait to complete + * @vfe: VFE device + * + * Return 0 on success or a negative error code otherwise + */ +static int vfe_halt(struct vfe_device *vfe) +{ + /* rely on vfe_disable_output() to stop the VFE */ + return 0; +} + +static void vfe_disable_irq(struct vfe_device *vfe) +{ + writel(0u, vfe->base + VFE_TOP_IRQn_MASK(vfe, 0)); + writel(0u, vfe->base + VFE_TOP_IRQn_MASK(vfe, 1)); + writel(0u, vfe->base + VFE_BUS_IRQn_MASK(vfe, 0)); + writel(0u, vfe->base + VFE_BUS_IRQn_MASK(vfe, 1)); +} + +static void vfe_wm_update(struct vfe_device *vfe, u8 rdi, u32 addr, + struct vfe_line *line) +{ + u8 wm = RDI_WM(rdi); + + writel(addr, vfe->base + VFE_BUS_IMAGE_ADDR(vfe, wm)); +} + +static void vfe_wm_start(struct vfe_device *vfe, u8 rdi, struct vfe_line *line) +{ + struct v4l2_pix_format_mplane *pix = + &line->video_out.active_fmt.fmt.pix_mp; + u32 stride = pix->plane_fmt[0].bytesperline; + u32 cfg; + u8 wm; + + cfg = VFE_BUS_IMAGE_CFG0_DATA(pix->height, stride); + wm = RDI_WM(rdi); + + writel(cfg, vfe->base + VFE_BUS_IMAGE_CFG0(vfe, wm)); + writel(0, vfe->base + VFE_BUS_IMAGE_CFG1(vfe, wm)); + writel(stride, vfe->base + VFE_BUS_IMAGE_CFG2(vfe, wm)); + writel(0, vfe->base + VFE_BUS_PACKER_CFG(vfe, wm)); + + /* Set total frame increment value */ + writel(pix->plane_fmt[0].bytesperline * pix->height, + vfe->base + VFE_BUS_FRAME_INCR(vfe, wm)); + + /* MMU */ + writel(VFE_BUS_MMU_PREFETCH_CFG_EN, vfe->base + VFE_BUS_MMU_PREFETCH_CFG(vfe, wm)); + writel(~0u, vfe->base + VFE_BUS_MMU_PREFETCH_MAX_OFFSET(vfe, wm)); + + /* no dropped frames, one irq per frame */ + writel(1, vfe->base + VFE_BUS_FRAMEDROP_PATTERN(vfe, wm)); + writel(0, vfe->base + VFE_BUS_FRAMEDROP_PERIOD(vfe, wm)); + writel(1, vfe->base + VFE_BUS_IRQ_SUBSAMPLE_PATTERN(vfe, wm)); + writel(0, vfe->base + VFE_BUS_IRQ_SUBSAMPLE_PERIOD(vfe, wm)); + + /* We don't process IRQs for VFE in RDI mode at the moment */ + vfe_disable_irq(vfe); + + /* Enable WM */ + writel(BIT(0), vfe->base + VFE_BUS_CFG(vfe, wm)); + + dev_dbg(vfe->camss->dev, "RDI%d WM:%d width %d height %d\n", + rdi, wm, pix->width, pix->height); + dev_dbg(vfe->camss->dev, "WM:%d stride %d\n", wm, stride); +} + +static void vfe_wm_stop(struct vfe_device *vfe, u8 rdi) +{ + u8 wm = RDI_WM(rdi); + + writel(0, vfe->base + VFE_BUS_CFG(vfe, wm)); +} + +static const struct camss_video_ops vfe_video_ops_680 = { + .queue_buffer = vfe_queue_buffer_v2, + .flush_buffers = vfe_flush_buffers, +}; + +static void vfe_subdev_init(struct device *dev, struct vfe_device *vfe) +{ + vfe->video_ops = vfe_video_ops_680; +} + +static void vfe_reg_update(struct vfe_device *vfe, enum vfe_line_id line_id) +{ + int port_id = line_id; + + camss_reg_update(vfe->camss, vfe->id, port_id, false); +} + +static inline void vfe_reg_update_clear(struct vfe_device *vfe, + enum vfe_line_id line_id) +{ + int port_id = line_id; + + camss_reg_update(vfe->camss, vfe->id, port_id, true); +} + +const struct vfe_hw_ops vfe_ops_680 = { + .global_reset = vfe_global_reset, + .hw_version = vfe_hw_version, + .isr = vfe_isr, + .pm_domain_off = vfe_pm_domain_off, + .pm_domain_on = vfe_pm_domain_on, + .subdev_init = vfe_subdev_init, + .vfe_disable = vfe_disable, + .vfe_enable = vfe_enable_v2, + .vfe_halt = vfe_halt, + .vfe_wm_start = vfe_wm_start, + .vfe_wm_stop = vfe_wm_stop, + .vfe_buf_done = vfe_buf_done, + .vfe_wm_update = vfe_wm_update, + .reg_update = vfe_reg_update, + .reg_update_clear = vfe_reg_update_clear, +}; diff --git a/drivers/media/platform/qcom/camss/camss-vfe.h b/drivers/media/platform/qcom/camss/camss-vfe.h index 9dec5bc0d1b14..a23f666be7531 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.h +++ b/drivers/media/platform/qcom/camss/camss-vfe.h @@ -243,6 +243,7 @@ extern const struct vfe_hw_ops vfe_ops_4_7; extern const struct vfe_hw_ops vfe_ops_4_8; extern const struct vfe_hw_ops vfe_ops_170; extern const struct vfe_hw_ops vfe_ops_480; +extern const struct vfe_hw_ops vfe_ops_680; extern const struct vfe_hw_ops vfe_ops_780; int vfe_get(struct vfe_device *vfe);

[4/7] media: qcom: camss: Add VFE680 support

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