From 39e3f5bc0ab4a86b0c8fcda0688d21651ec17242 Mon Sep 17 00:00:00 2001 From: Depeng Shao Date: Mon, 13 Jan 2025 10:01:33 +0530 Subject: [PATCH] media: qcom: camss: Add support for VFE 780 Add support for VFE found on SM8550 (Titan 780). This implementation is based on the titan 480 implementation. It supports the normal and lite VFE. Co-developed-by: Yongsheng Li Signed-off-by: Yongsheng Li Reviewed-by: Bryan O'Donoghue Signed-off-by: Depeng Shao Signed-off-by: Hans Verkuil --- drivers/media/platform/qcom/camss/Makefile | 1 + .../media/platform/qcom/camss/camss-vfe-780.c | 159 ++++++++++++++++++ drivers/media/platform/qcom/camss/camss-vfe.c | 2 + drivers/media/platform/qcom/camss/camss-vfe.h | 1 + drivers/media/platform/qcom/camss/camss.c | 121 +++++++++++++ 5 files changed, 284 insertions(+) create mode 100644 drivers/media/platform/qcom/camss/camss-vfe-780.c diff --git a/drivers/media/platform/qcom/camss/Makefile b/drivers/media/platform/qcom/camss/Makefile index 9a723e8712a2b..f6db5b3b5ace3 100644 --- a/drivers/media/platform/qcom/camss/Makefile +++ b/drivers/media/platform/qcom/camss/Makefile @@ -17,6 +17,7 @@ qcom-camss-objs += \ camss-vfe-4-8.o \ camss-vfe-17x.o \ camss-vfe-480.o \ + camss-vfe-780.o \ camss-vfe-gen1.o \ camss-vfe.o \ camss-video.o \ diff --git a/drivers/media/platform/qcom/camss/camss-vfe-780.c b/drivers/media/platform/qcom/camss/camss-vfe-780.c new file mode 100644 index 0000000000000..b9812d70f91bc --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss-vfe-780.c @@ -0,0 +1,159 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Qualcomm MSM Camera Subsystem - VFE (Video Front End) Module v780 (SM8550) + * + * Copyright (c) 2024 Qualcomm Technologies, Inc. + */ + +#include +#include +#include + +#include "camss.h" +#include "camss-vfe.h" + +#define BUS_REG_BASE (vfe_is_lite(vfe) ? 0x200 : 0xC00) + +#define VFE_BUS_WM_CGC_OVERRIDE (BUS_REG_BASE + 0x08) +#define WM_CGC_OVERRIDE_ALL (0x7FFFFFF) + +#define VFE_BUS_WM_TEST_BUS_CTRL (BUS_REG_BASE + 0xDC) + +#define VFE_BUS_WM_CFG(n) (BUS_REG_BASE + 0x200 + (n) * 0x100) +#define WM_CFG_EN BIT(0) +#define WM_VIR_FRM_EN BIT(1) +#define WM_CFG_MODE BIT(16) +#define VFE_BUS_WM_IMAGE_ADDR(n) (BUS_REG_BASE + 0x204 + (n) * 0x100) +#define VFE_BUS_WM_FRAME_INCR(n) (BUS_REG_BASE + 0x208 + (n) * 0x100) +#define VFE_BUS_WM_IMAGE_CFG_0(n) (BUS_REG_BASE + 0x20c + (n) * 0x100) +#define WM_IMAGE_CFG_0_DEFAULT_WIDTH (0xFFFF) +#define VFE_BUS_WM_IMAGE_CFG_2(n) (BUS_REG_BASE + 0x214 + (n) * 0x100) +#define WM_IMAGE_CFG_2_DEFAULT_STRIDE (0xFFFF) +#define VFE_BUS_WM_PACKER_CFG(n) (BUS_REG_BASE + 0x218 + (n) * 0x100) + +#define VFE_BUS_WM_IRQ_SUBSAMPLE_PERIOD(n) (BUS_REG_BASE + 0x230 + (n) * 0x100) +#define VFE_BUS_WM_IRQ_SUBSAMPLE_PATTERN(n) (BUS_REG_BASE + 0x234 + (n) * 0x100) +#define VFE_BUS_WM_FRAMEDROP_PERIOD(n) (BUS_REG_BASE + 0x238 + (n) * 0x100) +#define VFE_BUS_WM_FRAMEDROP_PATTERN(n) (BUS_REG_BASE + 0x23c + (n) * 0x100) + +#define VFE_BUS_WM_MMU_PREFETCH_CFG(n) (BUS_REG_BASE + 0x260 + (n) * 0x100) +#define VFE_BUS_WM_MMU_PREFETCH_MAX_OFFSET(n) (BUS_REG_BASE + 0x264 + (n) * 0x100) + +/* + * Bus client mapping: + * + * Full VFE: + * 23 = RDI0, 24 = RDI1, 25 = RDI2 + * + * VFE LITE: + * 0 = RDI0, 1 = RDI1, 2 = RDI3, 4 = RDI4 + */ +#define RDI_WM(n) ((vfe_is_lite(vfe) ? 0x0 : 0x17) + (n)) + +static void vfe_wm_start(struct vfe_device *vfe, u8 wm, struct vfe_line *line) +{ + struct v4l2_pix_format_mplane *pix = + &line->video_out.active_fmt.fmt.pix_mp; + + wm = RDI_WM(wm); + + /* no clock gating at bus input */ + writel(WM_CGC_OVERRIDE_ALL, vfe->base + VFE_BUS_WM_CGC_OVERRIDE); + + writel(0x0, vfe->base + VFE_BUS_WM_TEST_BUS_CTRL); + + writel(ALIGN(pix->plane_fmt[0].bytesperline, 16) * pix->height >> 8, + vfe->base + VFE_BUS_WM_FRAME_INCR(wm)); + writel((WM_IMAGE_CFG_0_DEFAULT_WIDTH & 0xFFFF), + vfe->base + VFE_BUS_WM_IMAGE_CFG_0(wm)); + writel(WM_IMAGE_CFG_2_DEFAULT_STRIDE, + vfe->base + VFE_BUS_WM_IMAGE_CFG_2(wm)); + writel(0, vfe->base + VFE_BUS_WM_PACKER_CFG(wm)); + + /* no dropped frames, one irq per frame */ + writel(0, vfe->base + VFE_BUS_WM_FRAMEDROP_PERIOD(wm)); + writel(1, vfe->base + VFE_BUS_WM_FRAMEDROP_PATTERN(wm)); + writel(0, vfe->base + VFE_BUS_WM_IRQ_SUBSAMPLE_PERIOD(wm)); + writel(1, vfe->base + VFE_BUS_WM_IRQ_SUBSAMPLE_PATTERN(wm)); + + writel(1, vfe->base + VFE_BUS_WM_MMU_PREFETCH_CFG(wm)); + writel(0xFFFFFFFF, vfe->base + VFE_BUS_WM_MMU_PREFETCH_MAX_OFFSET(wm)); + + writel(WM_CFG_EN | WM_CFG_MODE, vfe->base + VFE_BUS_WM_CFG(wm)); +} + +static void vfe_wm_stop(struct vfe_device *vfe, u8 wm) +{ + wm = RDI_WM(wm); + writel(0, vfe->base + VFE_BUS_WM_CFG(wm)); +} + +static void vfe_wm_update(struct vfe_device *vfe, u8 wm, u32 addr, + struct vfe_line *line) +{ + wm = RDI_WM(wm); + writel((addr >> 8) & 0xFFFFFFFF, vfe->base + VFE_BUS_WM_IMAGE_ADDR(wm)); + + dev_dbg(vfe->camss->dev, "wm:%d, image buf addr:0x%x\n", + wm, addr); +} + +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); +} + +static const struct camss_video_ops vfe_video_ops_780 = { + .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_780; +} + +static void vfe_global_reset(struct vfe_device *vfe) +{ + vfe_isr_reset_ack(vfe); +} + +static irqreturn_t vfe_isr(int irq, void *dev) +{ + /* nop */ + return IRQ_HANDLED; +} + +static int vfe_halt(struct vfe_device *vfe) +{ + /* rely on vfe_disable_output() to stop the VFE */ + return 0; +} + +const struct vfe_hw_ops vfe_ops_780 = { + .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, + .reg_update = vfe_reg_update, + .reg_update_clear = vfe_reg_update_clear, + .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, +}; diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c index 2a037860b09fb..9ffa6bc72cf1e 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.c +++ b/drivers/media/platform/qcom/camss/camss-vfe.c @@ -345,6 +345,7 @@ static u32 vfe_src_pad_code(struct vfe_line *line, u32 sink_code, case CAMSS_8250: case CAMSS_8280XP: case CAMSS_845: + case CAMSS_8550: switch (sink_code) { case MEDIA_BUS_FMT_YUYV8_1X16: { @@ -1970,6 +1971,7 @@ static int vfe_bpl_align(struct vfe_device *vfe) case CAMSS_8250: case CAMSS_8280XP: case CAMSS_845: + case CAMSS_8550: ret = 16; break; default: diff --git a/drivers/media/platform/qcom/camss/camss-vfe.h b/drivers/media/platform/qcom/camss/camss-vfe.h index fcbf4f6091298..9dec5bc0d1b14 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_780; int vfe_get(struct vfe_device *vfe); void vfe_put(struct vfe_device *vfe); diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index f0a81368af791..cfef1e4f211c1 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -2132,6 +2132,125 @@ static const struct camss_subdev_resources csid_res_8550[] = { } }; +static const struct camss_subdev_resources vfe_res_8550[] = { + /* VFE0 */ + { + .regulators = {}, + .clock = { "gcc_axi_hf", "cpas_ahb", "cpas_fast_ahb_clk", "vfe0_fast_ahb", + "vfe0", "cpas_vfe0", "camnoc_axi" }, + .clock_rate = { { 0 }, + { 80000000 }, + { 300000000, 400000000 }, + { 300000000, 400000000 }, + { 466000000, 594000000, 675000000, 785000000 }, + { 300000000, 400000000 }, + { 300000000, 400000000 } }, + .reg = { "vfe0" }, + .interrupt = { "vfe0" }, + .vfe = { + .line_num = 3, + .is_lite = false, + .has_pd = true, + .pd_name = "ife0", + .hw_ops = &vfe_ops_780, + .formats_rdi = &vfe_formats_rdi_845, + .formats_pix = &vfe_formats_pix_845 + } + }, + /* VFE1 */ + { + .regulators = {}, + .clock = { "gcc_axi_hf", "cpas_ahb", "cpas_fast_ahb_clk", "vfe1_fast_ahb", + "vfe1", "cpas_vfe1", "camnoc_axi" }, + .clock_rate = { { 0 }, + { 80000000 }, + { 300000000, 400000000 }, + { 300000000, 400000000 }, + { 466000000, 594000000, 675000000, 785000000 }, + { 300000000, 400000000 }, + { 300000000, 400000000 } }, + .reg = { "vfe1" }, + .interrupt = { "vfe1" }, + .vfe = { + .line_num = 3, + .is_lite = false, + .has_pd = true, + .pd_name = "ife1", + .hw_ops = &vfe_ops_780, + .formats_rdi = &vfe_formats_rdi_845, + .formats_pix = &vfe_formats_pix_845 + } + }, + /* VFE2 */ + { + .regulators = {}, + .clock = { "gcc_axi_hf", "cpas_ahb", "cpas_fast_ahb_clk", "vfe2_fast_ahb", + "vfe2", "cpas_vfe2", "camnoc_axi" }, + .clock_rate = { { 0 }, + { 80000000 }, + { 300000000, 400000000 }, + { 300000000, 400000000 }, + { 466000000, 594000000, 675000000, 785000000 }, + { 300000000, 400000000 }, + { 300000000, 400000000 } }, + .reg = { "vfe2" }, + .interrupt = { "vfe2" }, + .vfe = { + .line_num = 3, + .is_lite = false, + .has_pd = true, + .pd_name = "ife2", + .hw_ops = &vfe_ops_780, + .formats_rdi = &vfe_formats_rdi_845, + .formats_pix = &vfe_formats_pix_845 + } + }, + /* VFE3 lite */ + { + .regulators = {}, + .clock = { "gcc_axi_hf", "cpas_ahb", "cpas_fast_ahb_clk", "vfe_lite_ahb", + "vfe_lite", "cpas_ife_lite", "camnoc_axi" }, + .clock_rate = { { 0 }, + { 80000000 }, + { 300000000, 400000000 }, + { 300000000, 400000000 }, + { 400000000, 480000000 }, + { 300000000, 400000000 }, + { 300000000, 400000000 } }, + .reg = { "vfe_lite0" }, + .interrupt = { "vfe_lite0" }, + .vfe = { + .line_num = 4, + .is_lite = true, + .hw_ops = &vfe_ops_780, + .formats_rdi = &vfe_formats_rdi_845, + .formats_pix = &vfe_formats_pix_845 + } + }, + /* VFE4 lite */ + { + .regulators = {}, + .clock = { "gcc_axi_hf", "cpas_ahb", "cpas_fast_ahb_clk", "vfe_lite_ahb", + "vfe_lite", "cpas_ife_lite", "camnoc_axi" }, + .clock_rate = { { 0 }, + { 80000000 }, + { 300000000, 400000000 }, + { 300000000, 400000000 }, + { 400000000, 480000000 }, + { 300000000, 400000000 }, + { 300000000, 400000000 } }, + .reg = { "vfe_lite1" }, + .interrupt = { "vfe_lite1" }, + .vfe = { + .line_num = 4, + .is_lite = true, + .hw_ops = &vfe_ops_780, + .formats_rdi = &vfe_formats_rdi_845, + .formats_pix = &vfe_formats_pix_845 + } + }, +}; + static const struct resources_icc icc_res_sm8550[] = { { .name = "ahb", @@ -3186,11 +3305,13 @@ static const struct camss_resources sm8550_resources = { .pd_name = "top", .csiphy_res = csiphy_res_8550, .csid_res = csid_res_8550, + .vfe_res = vfe_res_8550, .csid_wrapper_res = &csid_wrapper_res_sm8550, .icc_res = icc_res_sm8550, .icc_path_num = ARRAY_SIZE(icc_res_sm8550), .csiphy_num = ARRAY_SIZE(csiphy_res_8550), .csid_num = ARRAY_SIZE(csid_res_8550), + .vfe_num = ARRAY_SIZE(vfe_res_8550), .link_entities = camss_link_entities }; -- 2.50.1