[v7,06/22] media: camss: Refactor VFE HW version support

Message ID	20210311180948.268343-7-robert.foss@linaro.org
State	Superseded
Headers	show Return-Path: <linux-media-owner@kernel.org> From: Robert Foss <robert.foss@linaro.org> To: agross@kernel.org, bjorn.andersson@linaro.org, robert.foss@linaro.org, todor.too@gmail.com, mchehab@kernel.org, robh+dt@kernel.org, angelogioacchino.delregno@somainline.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, AngeloGioacchino Del Regno <kholk11@gmail.com>, Sakari Ailus <sakari.ailus@iki.fi>, Andrey Konovalov <andrey.konovalov@linaro.org>, Hans Verkuil <hverkuil@xs4all.nl> Cc: Rob Herring <robh@kernel.org>, Tomasz Figa <tfiga@chromium.org>, Azam Sadiq Pasha Kapatrala Syed <akapatra@quicinc.com>, Sarvesh Sridutt <Sarvesh.Sridutt@smartwirelesscompute.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Jonathan Marek <jonathan@marek.ca> Subject: [PATCH v7 06/22] media: camss: Refactor VFE HW version support Date: Thu, 11 Mar 2021 19:09:32 +0100 Message-Id: <20210311180948.268343-7-robert.foss@linaro.org> In-Reply-To: <20210311180948.268343-1-robert.foss@linaro.org> References: <20210311180948.268343-1-robert.foss@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	Add support for the SDM845 Camera Subsystem \| expand [v7,00/22] Add support for the SDM845 Camera Subsystem [v7,01/22] media: camss: Fix vfe_isr_comp_done() documentation [v7,02/22] media: camss: Fix vfe_isr comment typo [v7,03/22] media: camss: Replace trace_printk() with dev_dbg() [v7,04/22] media: camss: Add CAMSS_845 camss version [v7,05/22] media: camss: Make ISPIF subdevice optional [v7,06/22] media: camss: Refactor VFE HW version support [v7,07/22] media: camss: Add support for VFE hardware version Titan 170 [v7,08/22] media: camss: Add missing format identifiers [v7,09/22] media: camss: Refactor CSID HW version support [v7,10/22] media: camss: Add support for CSID hardware version Titan 170 [v7,11/22] media: camss: Add support for CSIPHY hardware version Titan 170 [v7,12/22] media: camss: Refactor VFE power domain toggling [v7,13/22] media: camss: Enable SDM845 [v7,14/22] dt-bindings: media: camss: Add qcom,msm8916-camss binding [v7,15/22] dt-bindings: media: camss: Add qcom,msm8996-camss binding [v7,16/22] dt-bindings: media: camss: Add qcom,sdm660-camss binding [v7,17/22] dt-bindings: media: camss: Add qcom,sdm845-camss binding [v7,18/22] MAINTAINERS: Change CAMSS documentation to use dtschema bindings [v7,19/22] media: dt-bindings: media: Remove qcom,camss documentation [v7,20/22] arm64: dts: sdm845: Add CAMSS ISP node [v7,21/22] arm64: dts: sdm845-db845c: Configure regulators for camss node [v7,22/22] arm64: dts: sdm845-db845c: Enable ov8856 sensor and connect to ISP

diff --git a/drivers/media/platform/qcom/camss/Makefile b/drivers/media/platform/qcom/camss/Makefile index 63c1b1b2943c..940c0ae3e003 100644 --- a/drivers/media/platform/qcom/camss/Makefile +++ b/drivers/media/platform/qcom/camss/Makefile @@ -10,6 +10,8 @@ qcom-camss-objs += \ camss-ispif.o \ camss-vfe-4-1.o \ camss-vfe-4-7.o \ + camss-vfe-4-8.o \ + camss-vfe-gen1.o \ camss-vfe.o \ camss-video.o \ diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-1.c b/drivers/media/platform/qcom/camss/camss-vfe-4-1.c index 85b9bcbc7321..81756d7fd5c2 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe-4-1.c +++ b/drivers/media/platform/qcom/camss/camss-vfe-4-1.c @@ -14,6 +14,7 @@ #include "camss.h" #include "camss-vfe.h" +#include "camss-vfe-gen1.h" #define VFE_0_HW_VERSION 0x000 @@ -284,30 +285,6 @@ static void vfe_wm_frame_based(struct vfe_device *vfe, u8 wm, u8 enable) 1 << VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_FRM_BASED_SHIFT); } -#define CALC_WORD(width, M, N) (((width) * (M) + (N) - 1) / (N)) - -static int vfe_word_per_line(u32 format, u32 pixel_per_line) -{ - int val = 0; - - switch (format) { - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV21: - case V4L2_PIX_FMT_NV16: - case V4L2_PIX_FMT_NV61: - val = CALC_WORD(pixel_per_line, 1, 8); - break; - case V4L2_PIX_FMT_YUYV: - case V4L2_PIX_FMT_YVYU: - case V4L2_PIX_FMT_UYVY: - case V4L2_PIX_FMT_VYUY: - val = CALC_WORD(pixel_per_line, 2, 8); - break; - } - - return val; -} - static void vfe_get_wm_sizes(struct v4l2_pix_format_mplane *pix, u8 plane, u16 *width, u16 *height, u16 *bytesperline) { @@ -666,20 +643,6 @@ static void vfe_set_demux_cfg(struct vfe_device *vfe, struct vfe_line *line) writel_relaxed(odd_cfg, vfe->base + VFE_0_DEMUX_ODD_CFG); } -static inline u8 vfe_calc_interp_reso(u16 input, u16 output) -{ - if (input / output >= 16) - return 0; - - if (input / output >= 8) - return 1; - - if (input / output >= 4) - return 2; - - return 3; -} - static void vfe_set_scale_cfg(struct vfe_device *vfe, struct vfe_line *line) { u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat; @@ -975,46 +938,63 @@ static irqreturn_t vfe_isr(int irq, void *dev) return IRQ_HANDLED; } -const struct vfe_hw_ops vfe_ops_4_1 = { - .hw_version_read = vfe_hw_version_read, + +const struct vfe_hw_ops_gen1 vfe_ops_gen1_4_1 = { + .bus_connect_wm_to_rdi = vfe_bus_connect_wm_to_rdi, + .bus_disconnect_wm_from_rdi = vfe_bus_disconnect_wm_from_rdi, + .bus_enable_wr_if = vfe_bus_enable_wr_if, + .bus_reload_wm = vfe_bus_reload_wm, + .camif_wait_for_stop = vfe_camif_wait_for_stop, + .enable_irq_common = vfe_enable_irq_common, + .enable_irq_pix_line = vfe_enable_irq_pix_line, + .enable_irq_wm_line = vfe_enable_irq_wm_line, .get_ub_size = vfe_get_ub_size, - .global_reset = vfe_global_reset, - .halt_request = vfe_halt_request, .halt_clear = vfe_halt_clear, + .halt_request = vfe_halt_request, + .set_camif_cfg = vfe_set_camif_cfg, + .set_camif_cmd = vfe_set_camif_cmd, + .set_cgc_override = vfe_set_cgc_override, + .set_clamp_cfg = vfe_set_clamp_cfg, + .set_crop_cfg = vfe_set_crop_cfg, + .set_demux_cfg = vfe_set_demux_cfg, + .set_ds = vfe_set_ds, + .set_module_cfg = vfe_set_module_cfg, + .set_qos = vfe_set_qos, + .set_rdi_cid = vfe_set_rdi_cid, + .set_realign_cfg = vfe_set_realign_cfg, + .set_scale_cfg = vfe_set_scale_cfg, + .set_xbar_cfg = vfe_set_xbar_cfg, .wm_enable = vfe_wm_enable, .wm_frame_based = vfe_wm_frame_based, + .wm_get_ping_pong_status = vfe_wm_get_ping_pong_status, .wm_line_based = vfe_wm_line_based, - .wm_set_framedrop_period = vfe_wm_set_framedrop_period, .wm_set_framedrop_pattern = vfe_wm_set_framedrop_pattern, - .wm_set_ub_cfg = vfe_wm_set_ub_cfg, - .bus_reload_wm = vfe_bus_reload_wm, + .wm_set_framedrop_period = vfe_wm_set_framedrop_period, .wm_set_ping_addr = vfe_wm_set_ping_addr, .wm_set_pong_addr = vfe_wm_set_pong_addr, - .wm_get_ping_pong_status = vfe_wm_get_ping_pong_status, - .bus_enable_wr_if = vfe_bus_enable_wr_if, - .bus_connect_wm_to_rdi = vfe_bus_connect_wm_to_rdi, .wm_set_subsample = vfe_wm_set_subsample, - .bus_disconnect_wm_from_rdi = vfe_bus_disconnect_wm_from_rdi, - .set_xbar_cfg = vfe_set_xbar_cfg, - .set_realign_cfg = vfe_set_realign_cfg, - .set_rdi_cid = vfe_set_rdi_cid, - .reg_update = vfe_reg_update, - .reg_update_clear = vfe_reg_update_clear, - .enable_irq_wm_line = vfe_enable_irq_wm_line, - .enable_irq_pix_line = vfe_enable_irq_pix_line, - .enable_irq_common = vfe_enable_irq_common, - .set_demux_cfg = vfe_set_demux_cfg, - .set_scale_cfg = vfe_set_scale_cfg, - .set_crop_cfg = vfe_set_crop_cfg, - .set_clamp_cfg = vfe_set_clamp_cfg, - .set_qos = vfe_set_qos, - .set_ds = vfe_set_ds, - .set_cgc_override = vfe_set_cgc_override, - .set_camif_cfg = vfe_set_camif_cfg, - .set_camif_cmd = vfe_set_camif_cmd, - .set_module_cfg = vfe_set_module_cfg, - .camif_wait_for_stop = vfe_camif_wait_for_stop, + .wm_set_ub_cfg = vfe_wm_set_ub_cfg, +}; + +static void vfe_subdev_init(struct device *dev, struct vfe_device *vfe) +{ + vfe->isr_ops = vfe_isr_ops_gen1; + vfe->ops_gen1 = &vfe_ops_gen1_4_1; + vfe->video_ops = vfe_video_ops_gen1; + + vfe->line_num = VFE_LINE_NUM_GEN1; +} + +const struct vfe_hw_ops vfe_ops_4_1 = { + .global_reset = vfe_global_reset, + .hw_version_read = vfe_hw_version_read, .isr_read = vfe_isr_read, - .violation_read = vfe_violation_read, .isr = vfe_isr, + .reg_update_clear = vfe_reg_update_clear, + .reg_update = vfe_reg_update, + .subdev_init = vfe_subdev_init, + .vfe_disable = vfe_gen1_disable, + .vfe_enable = vfe_gen1_enable, + .vfe_halt = vfe_gen1_halt, + .violation_read = vfe_violation_read, }; diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-7.c b/drivers/media/platform/qcom/camss/camss-vfe-4-7.c index f7e00a2de393..5ecb87f1b047 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe-4-7.c +++ b/drivers/media/platform/qcom/camss/camss-vfe-4-7.c @@ -14,6 +14,8 @@ #include "camss.h" #include "camss-vfe.h" +#include "camss-vfe-gen1.h" + #define VFE_0_HW_VERSION 0x000 @@ -258,7 +260,7 @@ static void vfe_hw_version_read(struct vfe_device *vfe, struct device *dev) dev_err(dev, "VFE HW Version = 0x%08x\n", hw_version); } -static u16 vfe47_get_ub_size(u8 vfe_id) +static u16 vfe_get_ub_size(u8 vfe_id) { if (vfe_id == 0) return MSM_VFE_VFE0_UB_SIZE_RDI; @@ -296,6 +298,8 @@ static void vfe_global_reset(struct vfe_device *vfe) VFE_0_GLOBAL_RESET_CMD_CORE; writel_relaxed(BIT(31), vfe->base + VFE_0_IRQ_MASK_0); + + /* Enforce barrier between IRQ mask setup and global reset */ wmb(); writel_relaxed(reset_bits, vfe->base + VFE_0_GLOBAL_RESET_CMD); } @@ -311,7 +315,7 @@ static void vfe_halt_clear(struct vfe_device *vfe) writel_relaxed(0x0, vfe->base + VFE_0_BUS_BDG_CMD); } -static void vfe47_wm_enable(struct vfe_device *vfe, u8 wm, u8 enable) +static void vfe_wm_enable(struct vfe_device *vfe, u8 wm, u8 enable) { if (enable) vfe_reg_set(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(wm), @@ -460,8 +464,12 @@ static void vfe_wm_set_ub_cfg(struct vfe_device *vfe, u8 wm, static void vfe_bus_reload_wm(struct vfe_device *vfe, u8 wm) { + /* Enforce barrier between any outstanding register write */ wmb(); + writel_relaxed(VFE_0_BUS_CMD_Mx_RLD_CMD(wm), vfe->base + VFE_0_BUS_CMD); + + /* Use barrier to make sure bus reload is issued before anything else */ wmb(); } @@ -675,8 +683,12 @@ static void vfe_set_rdi_cid(struct vfe_device *vfe, enum vfe_line_id id, u8 cid) static void vfe_reg_update(struct vfe_device *vfe, enum vfe_line_id line_id) { vfe->reg_update |= VFE_0_REG_UPDATE_line_n(line_id); + + /* Enforce barrier between line update and commit */ wmb(); writel_relaxed(vfe->reg_update, vfe->base + VFE_0_REG_UPDATE); + + /* Make sure register update is issued before further reg writes */ wmb(); } @@ -780,20 +792,6 @@ static void vfe_set_demux_cfg(struct vfe_device *vfe, struct vfe_line *line) writel_relaxed(odd_cfg, vfe->base + VFE_0_DEMUX_ODD_CFG); } -static inline u8 vfe_calc_interp_reso(u16 input, u16 output) -{ - if (input / output >= 16) - return 0; - - if (input / output >= 8) - return 1; - - if (input / output >= 4) - return 2; - - return 3; -} - static void vfe_set_scale_cfg(struct vfe_device *vfe, struct vfe_line *line) { u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat; @@ -895,7 +893,7 @@ static void vfe_set_clamp_cfg(struct vfe_device *vfe) writel_relaxed(val, vfe->base + VFE_0_CLAMP_ENC_MIN_CFG); } -static void vfe47_set_qos(struct vfe_device *vfe) +static void vfe_set_qos(struct vfe_device *vfe) { u32 val = VFE_0_BUS_BDG_QOS_CFG_0_CFG; u32 val7 = VFE_0_BUS_BDG_QOS_CFG_7_CFG; @@ -910,7 +908,7 @@ static void vfe47_set_qos(struct vfe_device *vfe) writel_relaxed(val7, vfe->base + VFE_0_BUS_BDG_QOS_CFG_7); } -static void vfe47_set_ds(struct vfe_device *vfe) +static void vfe_set_ds(struct vfe_device *vfe) { u32 val = VFE_0_BUS_BDG_DS_CFG_0_CFG; u32 val16 = VFE_0_BUS_BDG_DS_CFG_16_CFG; @@ -994,6 +992,8 @@ static void vfe_set_camif_cmd(struct vfe_device *vfe, u8 enable) cmd = VFE_0_CAMIF_CMD_CLEAR_CAMIF_STATUS | VFE_0_CAMIF_CMD_NO_CHANGE; writel_relaxed(cmd, vfe->base + VFE_0_CAMIF_CMD); + + /* Make sure camif command is issued written before it is changed again */ wmb(); if (enable) @@ -1036,24 +1036,7 @@ static int vfe_camif_wait_for_stop(struct vfe_device *vfe, struct device *dev) return ret; } -static void vfe_isr_read(struct vfe_device *vfe, u32 *value0, u32 *value1) -{ - *value0 = readl_relaxed(vfe->base + VFE_0_IRQ_STATUS_0); - *value1 = readl_relaxed(vfe->base + VFE_0_IRQ_STATUS_1); - writel_relaxed(*value0, vfe->base + VFE_0_IRQ_CLEAR_0); - writel_relaxed(*value1, vfe->base + VFE_0_IRQ_CLEAR_1); - - wmb(); - writel_relaxed(VFE_0_IRQ_CMD_GLOBAL_CLEAR, vfe->base + VFE_0_IRQ_CMD); -} - -static void vfe_violation_read(struct vfe_device *vfe) -{ - u32 violation = readl_relaxed(vfe->base + VFE_0_VIOLATION_STATUS); - - pr_err_ratelimited("VFE: violation = 0x%08x\n", violation); -} /* * vfe_isr - VFE module interrupt handler @@ -1082,7 +1065,7 @@ static irqreturn_t vfe_isr(int irq, void *dev) if (value1 & VFE_0_IRQ_STATUS_1_BUS_BDG_HALT_ACK) vfe->isr_ops.halt_ack(vfe); - for (i = VFE_LINE_RDI0; i <= VFE_LINE_PIX; i++) + for (i = VFE_LINE_RDI0; i < vfe->line_num; i++) if (value0 & VFE_0_IRQ_STATUS_0_line_n_REG_UPDATE(i)) vfe->isr_ops.reg_update(vfe, i); @@ -1108,150 +1091,82 @@ static irqreturn_t vfe_isr(int irq, void *dev) return IRQ_HANDLED; } -const struct vfe_hw_ops vfe_ops_4_7 = { - .hw_version_read = vfe_hw_version_read, - .get_ub_size = vfe47_get_ub_size, - .global_reset = vfe_global_reset, - .halt_request = vfe_halt_request, - .halt_clear = vfe_halt_clear, - .wm_enable = vfe47_wm_enable, - .wm_frame_based = vfe_wm_frame_based, - .wm_line_based = vfe_wm_line_based, - .wm_set_framedrop_period = vfe_wm_set_framedrop_period, - .wm_set_framedrop_pattern = vfe_wm_set_framedrop_pattern, - .wm_set_ub_cfg = vfe_wm_set_ub_cfg, - .bus_reload_wm = vfe_bus_reload_wm, - .wm_set_ping_addr = vfe_wm_set_ping_addr, - .wm_set_pong_addr = vfe_wm_set_pong_addr, - .wm_get_ping_pong_status = vfe_wm_get_ping_pong_status, - .bus_enable_wr_if = vfe_bus_enable_wr_if, - .bus_connect_wm_to_rdi = vfe_bus_connect_wm_to_rdi, - .wm_set_subsample = vfe_wm_set_subsample, - .bus_disconnect_wm_from_rdi = vfe_bus_disconnect_wm_from_rdi, - .set_xbar_cfg = vfe_set_xbar_cfg, - .set_realign_cfg = vfe_set_realign_cfg, - .set_rdi_cid = vfe_set_rdi_cid, - .reg_update = vfe_reg_update, - .reg_update_clear = vfe_reg_update_clear, - .enable_irq_wm_line = vfe_enable_irq_wm_line, - .enable_irq_pix_line = vfe_enable_irq_pix_line, - .enable_irq_common = vfe_enable_irq_common, - .set_demux_cfg = vfe_set_demux_cfg, - .set_scale_cfg = vfe_set_scale_cfg, - .set_crop_cfg = vfe_set_crop_cfg, - .set_clamp_cfg = vfe_set_clamp_cfg, - .set_qos = vfe47_set_qos, - .set_ds = vfe47_set_ds, - .set_cgc_override = vfe_set_cgc_override, - .set_camif_cfg = vfe_set_camif_cfg, - .set_camif_cmd = vfe_set_camif_cmd, - .set_module_cfg = vfe_set_module_cfg, - .camif_wait_for_stop = vfe_camif_wait_for_stop, - .isr_read = vfe_isr_read, - .violation_read = vfe_violation_read, - .isr = vfe_isr, -}; - -static u16 vfe48_get_ub_size(u8 vfe_id) +static void vfe_isr_read(struct vfe_device *vfe, u32 *value0, u32 *value1) { - /* On VFE4.8 the ub-size is the same on both instances */ - return MSM_VFE_VFE0_UB_SIZE_RDI; -} + *value0 = readl_relaxed(vfe->base + VFE_0_IRQ_STATUS_0); + *value1 = readl_relaxed(vfe->base + VFE_0_IRQ_STATUS_1); -static void vfe48_wm_enable(struct vfe_device *vfe, u8 wm, u8 enable) -{ - if (enable) - writel_relaxed(2 << VFE48_0_BUS_IMAGE_MASTER_n_SHIFT(wm), - vfe->base + VFE48_0_BUS_IMAGE_MASTER_CMD); - else - writel_relaxed(1 << VFE48_0_BUS_IMAGE_MASTER_n_SHIFT(wm), - vfe->base + VFE48_0_BUS_IMAGE_MASTER_CMD); + writel_relaxed(*value0, vfe->base + VFE_0_IRQ_CLEAR_0); + writel_relaxed(*value1, vfe->base + VFE_0_IRQ_CLEAR_1); - /* The WM must be enabled before sending other commands */ + /* Enforce barrier between local & global IRQ clear */ wmb(); + writel_relaxed(VFE_0_IRQ_CMD_GLOBAL_CLEAR, vfe->base + VFE_0_IRQ_CMD); } -static void vfe48_set_qos(struct vfe_device *vfe) -{ - u32 val = VFE48_0_BUS_BDG_QOS_CFG_0_CFG; - u32 val3 = VFE48_0_BUS_BDG_QOS_CFG_3_CFG; - u32 val4 = VFE48_0_BUS_BDG_QOS_CFG_4_CFG; - u32 val7 = VFE48_0_BUS_BDG_QOS_CFG_7_CFG; - - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_0); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_1); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_2); - writel_relaxed(val3, vfe->base + VFE_0_BUS_BDG_QOS_CFG_3); - writel_relaxed(val4, vfe->base + VFE_0_BUS_BDG_QOS_CFG_4); - writel_relaxed(val4, vfe->base + VFE_0_BUS_BDG_QOS_CFG_5); - writel_relaxed(val4, vfe->base + VFE_0_BUS_BDG_QOS_CFG_6); - writel_relaxed(val7, vfe->base + VFE_0_BUS_BDG_QOS_CFG_7); -} - -static void vfe48_set_ds(struct vfe_device *vfe) +static void vfe_violation_read(struct vfe_device *vfe) { - u32 val = VFE48_0_BUS_BDG_DS_CFG_0_CFG; - u32 val16 = VFE48_0_BUS_BDG_DS_CFG_16_CFG; + u32 violation = readl_relaxed(vfe->base + VFE_0_VIOLATION_STATUS); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_0); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_1); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_2); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_3); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_4); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_5); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_6); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_7); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_8); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_9); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_10); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_11); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_12); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_13); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_14); - writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_15); - writel_relaxed(val16, vfe->base + VFE_0_BUS_BDG_DS_CFG_16); + pr_err_ratelimited("VFE: violation = 0x%08x\n", violation); } -const struct vfe_hw_ops vfe_ops_4_8 = { - .hw_version_read = vfe_hw_version_read, - .get_ub_size = vfe48_get_ub_size, - .global_reset = vfe_global_reset, - .halt_request = vfe_halt_request, +const struct vfe_hw_ops_gen1 vfe_ops_gen1_4_7 = { + .bus_connect_wm_to_rdi = vfe_bus_connect_wm_to_rdi, + .bus_disconnect_wm_from_rdi = vfe_bus_disconnect_wm_from_rdi, + .bus_enable_wr_if = vfe_bus_enable_wr_if, + .bus_reload_wm = vfe_bus_reload_wm, + .camif_wait_for_stop = vfe_camif_wait_for_stop, + .enable_irq_common = vfe_enable_irq_common, + .enable_irq_pix_line = vfe_enable_irq_pix_line, + .enable_irq_wm_line = vfe_enable_irq_wm_line, + .get_ub_size = vfe_get_ub_size, .halt_clear = vfe_halt_clear, - .wm_enable = vfe48_wm_enable, + .halt_request = vfe_halt_request, + .set_camif_cfg = vfe_set_camif_cfg, + .set_camif_cmd = vfe_set_camif_cmd, + .set_cgc_override = vfe_set_cgc_override, + .set_clamp_cfg = vfe_set_clamp_cfg, + .set_crop_cfg = vfe_set_crop_cfg, + .set_demux_cfg = vfe_set_demux_cfg, + .set_ds = vfe_set_ds, + .set_module_cfg = vfe_set_module_cfg, + .set_qos = vfe_set_qos, + .set_rdi_cid = vfe_set_rdi_cid, + .set_realign_cfg = vfe_set_realign_cfg, + .set_scale_cfg = vfe_set_scale_cfg, + .set_xbar_cfg = vfe_set_xbar_cfg, + .wm_enable = vfe_wm_enable, .wm_frame_based = vfe_wm_frame_based, + .wm_get_ping_pong_status = vfe_wm_get_ping_pong_status, .wm_line_based = vfe_wm_line_based, - .wm_set_framedrop_period = vfe_wm_set_framedrop_period, .wm_set_framedrop_pattern = vfe_wm_set_framedrop_pattern, - .wm_set_ub_cfg = vfe_wm_set_ub_cfg, - .bus_reload_wm = vfe_bus_reload_wm, + .wm_set_framedrop_period = vfe_wm_set_framedrop_period, .wm_set_ping_addr = vfe_wm_set_ping_addr, .wm_set_pong_addr = vfe_wm_set_pong_addr, - .wm_get_ping_pong_status = vfe_wm_get_ping_pong_status, - .bus_enable_wr_if = vfe_bus_enable_wr_if, - .bus_connect_wm_to_rdi = vfe_bus_connect_wm_to_rdi, .wm_set_subsample = vfe_wm_set_subsample, - .bus_disconnect_wm_from_rdi = vfe_bus_disconnect_wm_from_rdi, - .set_xbar_cfg = vfe_set_xbar_cfg, - .set_realign_cfg = vfe_set_realign_cfg, - .set_rdi_cid = vfe_set_rdi_cid, - .reg_update = vfe_reg_update, - .reg_update_clear = vfe_reg_update_clear, - .enable_irq_wm_line = vfe_enable_irq_wm_line, - .enable_irq_pix_line = vfe_enable_irq_pix_line, - .enable_irq_common = vfe_enable_irq_common, - .set_demux_cfg = vfe_set_demux_cfg, - .set_scale_cfg = vfe_set_scale_cfg, - .set_crop_cfg = vfe_set_crop_cfg, - .set_clamp_cfg = vfe_set_clamp_cfg, - .set_qos = vfe48_set_qos, - .set_ds = vfe48_set_ds, - .set_cgc_override = vfe_set_cgc_override, - .set_camif_cfg = vfe_set_camif_cfg, - .set_camif_cmd = vfe_set_camif_cmd, - .set_module_cfg = vfe_set_module_cfg, - .camif_wait_for_stop = vfe_camif_wait_for_stop, + .wm_set_ub_cfg = vfe_wm_set_ub_cfg, +}; + +static void vfe_subdev_init(struct device *dev, struct vfe_device *vfe) +{ + vfe->isr_ops = vfe_isr_ops_gen1; + vfe->ops_gen1 = &vfe_ops_gen1_4_7; + vfe->video_ops = vfe_video_ops_gen1; + + vfe->line_num = VFE_LINE_NUM_GEN1; +} + +const struct vfe_hw_ops vfe_ops_4_7 = { + .global_reset = vfe_global_reset, + .hw_version_read = vfe_hw_version_read, .isr_read = vfe_isr_read, - .violation_read = vfe_violation_read, .isr = vfe_isr, + .reg_update_clear = vfe_reg_update_clear, + .reg_update = vfe_reg_update, + .subdev_init = vfe_subdev_init, + .vfe_disable = vfe_gen1_disable, + .vfe_enable = vfe_gen1_enable, + .vfe_halt = vfe_gen1_halt, + .violation_read = vfe_violation_read, }; diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-8.c b/drivers/media/platform/qcom/camss/camss-vfe-4-8.c new file mode 100644 index 000000000000..732b93b365d3 --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss-vfe-4-8.c @@ -0,0 +1,1166 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * camss-vfe-4-8.c + * + * Qualcomm MSM Camera Subsystem - VFE (Video Front End) Module v4.8 + * + * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. + * Copyright (C) 2015-2021 Linaro Ltd. + */ + +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/iopoll.h> + +#include "camss.h" +#include "camss-vfe.h" +#include "camss-vfe-gen1.h" + + +#define VFE_0_HW_VERSION 0x000 + +#define VFE_0_GLOBAL_RESET_CMD 0x018 +#define VFE_0_GLOBAL_RESET_CMD_CORE BIT(0) +#define VFE_0_GLOBAL_RESET_CMD_CAMIF BIT(1) +#define VFE_0_GLOBAL_RESET_CMD_BUS BIT(2) +#define VFE_0_GLOBAL_RESET_CMD_BUS_BDG BIT(3) +#define VFE_0_GLOBAL_RESET_CMD_REGISTER BIT(4) +#define VFE_0_GLOBAL_RESET_CMD_PM BIT(5) +#define VFE_0_GLOBAL_RESET_CMD_BUS_MISR BIT(6) +#define VFE_0_GLOBAL_RESET_CMD_TESTGEN BIT(7) +#define VFE_0_GLOBAL_RESET_CMD_DSP BIT(8) +#define VFE_0_GLOBAL_RESET_CMD_IDLE_CGC BIT(9) + +#define VFE_0_MODULE_LENS_EN 0x040 +#define VFE_0_MODULE_LENS_EN_DEMUX BIT(2) +#define VFE_0_MODULE_LENS_EN_CHROMA_UPSAMPLE BIT(3) + +#define VFE_0_MODULE_ZOOM_EN 0x04c +#define VFE_0_MODULE_ZOOM_EN_SCALE_ENC BIT(1) +#define VFE_0_MODULE_ZOOM_EN_CROP_ENC BIT(2) +#define VFE_0_MODULE_ZOOM_EN_REALIGN_BUF BIT(9) + +#define VFE_0_CORE_CFG 0x050 +#define VFE_0_CORE_CFG_PIXEL_PATTERN_YCBYCR 0x4 +#define VFE_0_CORE_CFG_PIXEL_PATTERN_YCRYCB 0x5 +#define VFE_0_CORE_CFG_PIXEL_PATTERN_CBYCRY 0x6 +#define VFE_0_CORE_CFG_PIXEL_PATTERN_CRYCBY 0x7 +#define VFE_0_CORE_CFG_COMPOSITE_REG_UPDATE_EN BIT(4) + +#define VFE_0_IRQ_CMD 0x058 +#define VFE_0_IRQ_CMD_GLOBAL_CLEAR BIT(0) + +#define VFE_0_IRQ_MASK_0 0x05c +#define VFE_0_IRQ_MASK_0_CAMIF_SOF BIT(0) +#define VFE_0_IRQ_MASK_0_CAMIF_EOF BIT(1) +#define VFE_0_IRQ_MASK_0_RDIn_REG_UPDATE(n) BIT((n) + 5) +#define VFE_0_IRQ_MASK_0_line_n_REG_UPDATE(n) \ + ((n) == VFE_LINE_PIX ? BIT(4) : VFE_0_IRQ_MASK_0_RDIn_REG_UPDATE(n)) +#define VFE_0_IRQ_MASK_0_IMAGE_MASTER_n_PING_PONG(n) BIT((n) + 8) +#define VFE_0_IRQ_MASK_0_IMAGE_COMPOSITE_DONE_n(n) BIT((n) + 25) +#define VFE_0_IRQ_MASK_0_RESET_ACK BIT(31) +#define VFE_0_IRQ_MASK_1 0x060 +#define VFE_0_IRQ_MASK_1_CAMIF_ERROR BIT(0) +#define VFE_0_IRQ_MASK_1_VIOLATION BIT(7) +#define VFE_0_IRQ_MASK_1_BUS_BDG_HALT_ACK BIT(8) +#define VFE_0_IRQ_MASK_1_IMAGE_MASTER_n_BUS_OVERFLOW(n) BIT((n) + 9) +#define VFE_0_IRQ_MASK_1_RDIn_SOF(n) BIT((n) + 29) + +#define VFE_0_IRQ_CLEAR_0 0x064 +#define VFE_0_IRQ_CLEAR_1 0x068 + +#define VFE_0_IRQ_STATUS_0 0x06c +#define VFE_0_IRQ_STATUS_0_CAMIF_SOF BIT(0) +#define VFE_0_IRQ_STATUS_0_RDIn_REG_UPDATE(n) BIT((n) + 5) +#define VFE_0_IRQ_STATUS_0_line_n_REG_UPDATE(n) \ + ((n) == VFE_LINE_PIX ? BIT(4) : VFE_0_IRQ_STATUS_0_RDIn_REG_UPDATE(n)) +#define VFE_0_IRQ_STATUS_0_IMAGE_MASTER_n_PING_PONG(n) BIT((n) + 8) +#define VFE_0_IRQ_STATUS_0_IMAGE_COMPOSITE_DONE_n(n) BIT((n) + 25) +#define VFE_0_IRQ_STATUS_0_RESET_ACK BIT(31) +#define VFE_0_IRQ_STATUS_1 0x070 +#define VFE_0_IRQ_STATUS_1_VIOLATION BIT(7) +#define VFE_0_IRQ_STATUS_1_BUS_BDG_HALT_ACK BIT(8) +#define VFE_0_IRQ_STATUS_1_RDIn_SOF(n) BIT((n) + 29) + +#define VFE_0_IRQ_COMPOSITE_MASK_0 0x074 +#define VFE_0_VIOLATION_STATUS 0x07c + +#define VFE_0_BUS_CMD 0x80 +#define VFE_0_BUS_CMD_Mx_RLD_CMD(x) BIT(x) + +#define VFE_0_BUS_CFG 0x084 + +#define VFE_0_BUS_XBAR_CFG_x(x) (0x90 + 0x4 * ((x) / 2)) +#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_EN BIT(2) +#define VFE_0_BUS_XBAR_CFG_x_M_REALIGN_BUF_EN BIT(3) +#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTRA (0x1 << 4) +#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER (0x2 << 4) +#define VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER_INTRA (0x3 << 4) +#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT 8 +#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_LUMA 0x0 +#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI0 0xc +#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI1 0xd +#define VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI2 0xe + +#define VFE_0_BUS_IMAGE_MASTER_n_WR_CFG(n) (0x0a0 + 0x2c * (n)) +#define VFE_0_BUS_IMAGE_MASTER_n_WR_CFG_WR_PATH_SHIFT 0 +#define VFE_0_BUS_IMAGE_MASTER_n_WR_PING_ADDR(n) (0x0a4 + 0x2c * (n)) +#define VFE_0_BUS_IMAGE_MASTER_n_WR_PONG_ADDR(n) (0x0ac + 0x2c * (n)) +#define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(n) (0x0b4 + 0x2c * (n)) +#define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_BASED_SHIFT 1 +#define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_SHIFT 2 +#define VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_MASK (0x1f << 2) +#define VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG(n) (0x0b8 + 0x2c * (n)) +#define VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG_OFFSET_SHIFT 16 +#define VFE_0_BUS_IMAGE_MASTER_n_WR_IMAGE_SIZE(n) (0x0bc + 0x2c * (n)) +#define VFE_0_BUS_IMAGE_MASTER_n_WR_BUFFER_CFG(n) (0x0c0 + 0x2c * (n)) +#define VFE_0_BUS_IMAGE_MASTER_n_WR_FRAMEDROP_PATTERN(n) \ + (0x0c4 + 0x2c * (n)) +#define VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN(n) \ + (0x0c8 + 0x2c * (n)) +#define VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN_DEF 0xffffffff + +#define VFE_0_BUS_PING_PONG_STATUS 0x338 + +#define VFE_0_BUS_BDG_CMD 0x400 +#define VFE_0_BUS_BDG_CMD_HALT_REQ 1 + +#define VFE_0_BUS_BDG_QOS_CFG_0 0x404 +#define VFE_0_BUS_BDG_QOS_CFG_0_CFG 0xaaa5aaa5 +#define VFE_0_BUS_BDG_QOS_CFG_1 0x408 +#define VFE_0_BUS_BDG_QOS_CFG_2 0x40c +#define VFE_0_BUS_BDG_QOS_CFG_3 0x410 +#define VFE_0_BUS_BDG_QOS_CFG_3_CFG 0xaa55aaa5 +#define VFE_0_BUS_BDG_QOS_CFG_4 0x414 +#define VFE_0_BUS_BDG_QOS_CFG_4_CFG 0xaa55aa55 +#define VFE_0_BUS_BDG_QOS_CFG_5 0x418 +#define VFE_0_BUS_BDG_QOS_CFG_6 0x41c +#define VFE_0_BUS_BDG_QOS_CFG_7 0x420 +#define VFE_0_BUS_BDG_QOS_CFG_7_CFG 0x0005aa55 + +#define VFE_0_BUS_BDG_DS_CFG_0 0x424 +#define VFE_0_BUS_BDG_DS_CFG_0_CFG 0xcccc1111 +#define VFE_0_BUS_BDG_DS_CFG_1 0x428 +#define VFE_0_BUS_BDG_DS_CFG_2 0x42c +#define VFE_0_BUS_BDG_DS_CFG_3 0x430 +#define VFE_0_BUS_BDG_DS_CFG_4 0x434 +#define VFE_0_BUS_BDG_DS_CFG_5 0x438 +#define VFE_0_BUS_BDG_DS_CFG_6 0x43c +#define VFE_0_BUS_BDG_DS_CFG_7 0x440 +#define VFE_0_BUS_BDG_DS_CFG_8 0x444 +#define VFE_0_BUS_BDG_DS_CFG_9 0x448 +#define VFE_0_BUS_BDG_DS_CFG_10 0x44c +#define VFE_0_BUS_BDG_DS_CFG_11 0x450 +#define VFE_0_BUS_BDG_DS_CFG_12 0x454 +#define VFE_0_BUS_BDG_DS_CFG_13 0x458 +#define VFE_0_BUS_BDG_DS_CFG_14 0x45c +#define VFE_0_BUS_BDG_DS_CFG_15 0x460 +#define VFE_0_BUS_BDG_DS_CFG_16 0x464 +#define VFE_0_BUS_BDG_DS_CFG_16_CFG 0x00000110 + +#define VFE_0_RDI_CFG_x(x) (0x46c + (0x4 * (x))) +#define VFE_0_RDI_CFG_x_RDI_STREAM_SEL_SHIFT 28 +#define VFE_0_RDI_CFG_x_RDI_STREAM_SEL_MASK (0xf << 28) +#define VFE_0_RDI_CFG_x_RDI_M0_SEL_SHIFT 4 +#define VFE_0_RDI_CFG_x_RDI_M0_SEL_MASK (0xf << 4) +#define VFE_0_RDI_CFG_x_RDI_EN_BIT BIT(2) +#define VFE_0_RDI_CFG_x_MIPI_EN_BITS 0x3 + +#define VFE_0_CAMIF_CMD 0x478 +#define VFE_0_CAMIF_CMD_DISABLE_FRAME_BOUNDARY 0 +#define VFE_0_CAMIF_CMD_ENABLE_FRAME_BOUNDARY 1 +#define VFE_0_CAMIF_CMD_NO_CHANGE 3 +#define VFE_0_CAMIF_CMD_CLEAR_CAMIF_STATUS BIT(2) +#define VFE_0_CAMIF_CFG 0x47c +#define VFE_0_CAMIF_CFG_VFE_OUTPUT_EN BIT(6) +#define VFE_0_CAMIF_FRAME_CFG 0x484 +#define VFE_0_CAMIF_WINDOW_WIDTH_CFG 0x488 +#define VFE_0_CAMIF_WINDOW_HEIGHT_CFG 0x48c +#define VFE_0_CAMIF_SUBSAMPLE_CFG 0x490 +#define VFE_0_CAMIF_IRQ_FRAMEDROP_PATTERN 0x498 +#define VFE_0_CAMIF_IRQ_SUBSAMPLE_PATTERN 0x49c +#define VFE_0_CAMIF_STATUS 0x4a4 +#define VFE_0_CAMIF_STATUS_HALT BIT(31) + +#define VFE_0_REG_UPDATE 0x4ac +#define VFE_0_REG_UPDATE_RDIn(n) BIT(1 + (n)) +#define VFE_0_REG_UPDATE_line_n(n) \ + ((n) == VFE_LINE_PIX ? 1 : VFE_0_REG_UPDATE_RDIn(n)) + +#define VFE_0_DEMUX_CFG 0x560 +#define VFE_0_DEMUX_CFG_PERIOD 0x3 +#define VFE_0_DEMUX_GAIN_0 0x564 +#define VFE_0_DEMUX_GAIN_0_CH0_EVEN (0x80 << 0) +#define VFE_0_DEMUX_GAIN_0_CH0_ODD (0x80 << 16) +#define VFE_0_DEMUX_GAIN_1 0x568 +#define VFE_0_DEMUX_GAIN_1_CH1 (0x80 << 0) +#define VFE_0_DEMUX_GAIN_1_CH2 (0x80 << 16) +#define VFE_0_DEMUX_EVEN_CFG 0x574 +#define VFE_0_DEMUX_EVEN_CFG_PATTERN_YUYV 0x9cac +#define VFE_0_DEMUX_EVEN_CFG_PATTERN_YVYU 0xac9c +#define VFE_0_DEMUX_EVEN_CFG_PATTERN_UYVY 0xc9ca +#define VFE_0_DEMUX_EVEN_CFG_PATTERN_VYUY 0xcac9 +#define VFE_0_DEMUX_ODD_CFG 0x578 +#define VFE_0_DEMUX_ODD_CFG_PATTERN_YUYV 0x9cac +#define VFE_0_DEMUX_ODD_CFG_PATTERN_YVYU 0xac9c +#define VFE_0_DEMUX_ODD_CFG_PATTERN_UYVY 0xc9ca +#define VFE_0_DEMUX_ODD_CFG_PATTERN_VYUY 0xcac9 + +#define VFE_0_SCALE_ENC_Y_CFG 0x91c +#define VFE_0_SCALE_ENC_Y_H_IMAGE_SIZE 0x920 +#define VFE_0_SCALE_ENC_Y_H_PHASE 0x924 +#define VFE_0_SCALE_ENC_Y_V_IMAGE_SIZE 0x934 +#define VFE_0_SCALE_ENC_Y_V_PHASE 0x938 +#define VFE_0_SCALE_ENC_CBCR_CFG 0x948 +#define VFE_0_SCALE_ENC_CBCR_H_IMAGE_SIZE 0x94c +#define VFE_0_SCALE_ENC_CBCR_H_PHASE 0x950 +#define VFE_0_SCALE_ENC_CBCR_V_IMAGE_SIZE 0x960 +#define VFE_0_SCALE_ENC_CBCR_V_PHASE 0x964 + +#define VFE_0_CROP_ENC_Y_WIDTH 0x974 +#define VFE_0_CROP_ENC_Y_HEIGHT 0x978 +#define VFE_0_CROP_ENC_CBCR_WIDTH 0x97c +#define VFE_0_CROP_ENC_CBCR_HEIGHT 0x980 + +#define VFE_0_CLAMP_ENC_MAX_CFG 0x984 +#define VFE_0_CLAMP_ENC_MAX_CFG_CH0 (0xff << 0) +#define VFE_0_CLAMP_ENC_MAX_CFG_CH1 (0xff << 8) +#define VFE_0_CLAMP_ENC_MAX_CFG_CH2 (0xff << 16) +#define VFE_0_CLAMP_ENC_MIN_CFG 0x988 +#define VFE_0_CLAMP_ENC_MIN_CFG_CH0 (0x0 << 0) +#define VFE_0_CLAMP_ENC_MIN_CFG_CH1 (0x0 << 8) +#define VFE_0_CLAMP_ENC_MIN_CFG_CH2 (0x0 << 16) + +#define VFE_0_REALIGN_BUF_CFG 0xaac +#define VFE_0_REALIGN_BUF_CFG_CB_ODD_PIXEL BIT(2) +#define VFE_0_REALIGN_BUF_CFG_CR_ODD_PIXEL BIT(3) +#define VFE_0_REALIGN_BUF_CFG_HSUB_ENABLE BIT(4) + +#define VFE_0_BUS_IMAGE_MASTER_CMD 0xcec +#define VFE_0_BUS_IMAGE_MASTER_n_SHIFT(x) (2 * (x)) + +#define CAMIF_TIMEOUT_SLEEP_US 1000 +#define CAMIF_TIMEOUT_ALL_US 1000000 + +#define MSM_VFE_VFE0_UB_SIZE 2047 +#define MSM_VFE_VFE0_UB_SIZE_RDI (MSM_VFE_VFE0_UB_SIZE / 3) +#define MSM_VFE_VFE1_UB_SIZE 1535 +#define MSM_VFE_VFE1_UB_SIZE_RDI (MSM_VFE_VFE1_UB_SIZE / 3) + +static void vfe_hw_version_read(struct vfe_device *vfe, struct device *dev) +{ + u32 hw_version = readl_relaxed(vfe->base + VFE_0_HW_VERSION); + + dev_err(dev, "VFE HW Version = 0x%08x\n", hw_version); +} + +static inline void vfe_reg_clr(struct vfe_device *vfe, u32 reg, u32 clr_bits) +{ + u32 bits = readl_relaxed(vfe->base + reg); + + writel_relaxed(bits & ~clr_bits, vfe->base + reg); +} + +static inline void vfe_reg_set(struct vfe_device *vfe, u32 reg, u32 set_bits) +{ + u32 bits = readl_relaxed(vfe->base + reg); + + writel_relaxed(bits | set_bits, vfe->base + reg); +} + +static void vfe_global_reset(struct vfe_device *vfe) +{ + u32 reset_bits = VFE_0_GLOBAL_RESET_CMD_IDLE_CGC | + VFE_0_GLOBAL_RESET_CMD_DSP | + VFE_0_GLOBAL_RESET_CMD_TESTGEN | + VFE_0_GLOBAL_RESET_CMD_BUS_MISR | + VFE_0_GLOBAL_RESET_CMD_PM | + VFE_0_GLOBAL_RESET_CMD_REGISTER | + VFE_0_GLOBAL_RESET_CMD_BUS_BDG | + VFE_0_GLOBAL_RESET_CMD_BUS | + VFE_0_GLOBAL_RESET_CMD_CAMIF | + VFE_0_GLOBAL_RESET_CMD_CORE; + + writel_relaxed(BIT(31), vfe->base + VFE_0_IRQ_MASK_0); + + /* Enforce barrier between IRQ mask setup and global reset */ + wmb(); + writel_relaxed(reset_bits, vfe->base + VFE_0_GLOBAL_RESET_CMD); +} + +static void vfe_halt_request(struct vfe_device *vfe) +{ + writel_relaxed(VFE_0_BUS_BDG_CMD_HALT_REQ, + vfe->base + VFE_0_BUS_BDG_CMD); +} + +static void vfe_halt_clear(struct vfe_device *vfe) +{ + writel_relaxed(0x0, vfe->base + VFE_0_BUS_BDG_CMD); +} + +static void vfe_wm_frame_based(struct vfe_device *vfe, u8 wm, u8 enable) +{ + if (enable) + vfe_reg_set(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm), + 1 << VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_BASED_SHIFT); + else + vfe_reg_clr(vfe, VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm), + 1 << VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_BASED_SHIFT); +} + +#define CALC_WORD(width, M, N) (((width) * (M) + (N) - 1) / (N)) + +static int vfe_word_per_line_by_pixel(u32 format, u32 pixel_per_line) +{ + int val = 0; + + switch (format) { + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV21: + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV61: + val = CALC_WORD(pixel_per_line, 1, 8); + break; + case V4L2_PIX_FMT_YUYV: + case V4L2_PIX_FMT_YVYU: + case V4L2_PIX_FMT_UYVY: + case V4L2_PIX_FMT_VYUY: + val = CALC_WORD(pixel_per_line, 2, 8); + break; + } + + return val; +} + +static int vfe_word_per_line_by_bytes(u32 bytes_per_line) +{ + return CALC_WORD(bytes_per_line, 1, 8); +} + +static void vfe_get_wm_sizes(struct v4l2_pix_format_mplane *pix, u8 plane, + u16 *width, u16 *height, u16 *bytesperline) +{ + switch (pix->pixelformat) { + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV21: + *width = pix->width; + *height = pix->height; + *bytesperline = pix->plane_fmt[0].bytesperline; + if (plane == 1) + *height /= 2; + break; + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV61: + *width = pix->width; + *height = pix->height; + *bytesperline = pix->plane_fmt[0].bytesperline; + break; + case V4L2_PIX_FMT_YUYV: + case V4L2_PIX_FMT_YVYU: + case V4L2_PIX_FMT_VYUY: + case V4L2_PIX_FMT_UYVY: + *width = pix->width; + *height = pix->height; + *bytesperline = pix->plane_fmt[plane].bytesperline; + break; + + } +} + +static void vfe_wm_line_based(struct vfe_device *vfe, u32 wm, + struct v4l2_pix_format_mplane *pix, + u8 plane, u32 enable) +{ + u32 reg; + + if (enable) { + u16 width = 0, height = 0, bytesperline = 0, wpl; + + vfe_get_wm_sizes(pix, plane, &width, &height, &bytesperline); + + wpl = vfe_word_per_line_by_pixel(pix->pixelformat, width); + + reg = height - 1; + reg |= ((wpl + 3) / 4 - 1) << 16; + + writel_relaxed(reg, vfe->base + + VFE_0_BUS_IMAGE_MASTER_n_WR_IMAGE_SIZE(wm)); + + wpl = vfe_word_per_line_by_bytes(bytesperline); + + reg = 0x3; + reg |= (height - 1) << 2; + reg |= ((wpl + 1) / 2) << 16; + + writel_relaxed(reg, vfe->base + + VFE_0_BUS_IMAGE_MASTER_n_WR_BUFFER_CFG(wm)); + } else { + writel_relaxed(0, vfe->base + + VFE_0_BUS_IMAGE_MASTER_n_WR_IMAGE_SIZE(wm)); + writel_relaxed(0, vfe->base + + VFE_0_BUS_IMAGE_MASTER_n_WR_BUFFER_CFG(wm)); + } +} + +static void vfe_wm_set_framedrop_period(struct vfe_device *vfe, u8 wm, u8 per) +{ + u32 reg; + + reg = readl_relaxed(vfe->base + + VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm)); + + reg &= ~(VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_MASK); + + reg |= (per << VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_SHIFT) + & VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG_FRM_DROP_PER_MASK; + + writel_relaxed(reg, + vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_ADDR_CFG(wm)); +} + +static void vfe_wm_set_framedrop_pattern(struct vfe_device *vfe, u8 wm, + u32 pattern) +{ + writel_relaxed(pattern, + vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_FRAMEDROP_PATTERN(wm)); +} + +static void vfe_wm_set_ub_cfg(struct vfe_device *vfe, u8 wm, + u16 offset, u16 depth) +{ + u32 reg; + + reg = (offset << VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG_OFFSET_SHIFT) | + depth; + writel_relaxed(reg, vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_UB_CFG(wm)); +} + +static void vfe_bus_reload_wm(struct vfe_device *vfe, u8 wm) +{ + /* Enforce barrier between any outstanding register write */ + wmb(); + + writel_relaxed(VFE_0_BUS_CMD_Mx_RLD_CMD(wm), vfe->base + VFE_0_BUS_CMD); + + /* Use barrier to make sure bus reload is issued before anything else */ + wmb(); +} + +static void vfe_wm_set_ping_addr(struct vfe_device *vfe, u8 wm, u32 addr) +{ + writel_relaxed(addr, + vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_PING_ADDR(wm)); +} + +static void vfe_wm_set_pong_addr(struct vfe_device *vfe, u8 wm, u32 addr) +{ + writel_relaxed(addr, + vfe->base + VFE_0_BUS_IMAGE_MASTER_n_WR_PONG_ADDR(wm)); +} + +static int vfe_wm_get_ping_pong_status(struct vfe_device *vfe, u8 wm) +{ + u32 reg; + + reg = readl_relaxed(vfe->base + VFE_0_BUS_PING_PONG_STATUS); + + return (reg >> wm) & 0x1; +} + +static void vfe_bus_enable_wr_if(struct vfe_device *vfe, u8 enable) +{ + if (enable) + writel_relaxed(0x101, vfe->base + VFE_0_BUS_CFG); + else + writel_relaxed(0, vfe->base + VFE_0_BUS_CFG); +} + +static void vfe_bus_connect_wm_to_rdi(struct vfe_device *vfe, u8 wm, + enum vfe_line_id id) +{ + u32 reg; + + reg = VFE_0_RDI_CFG_x_MIPI_EN_BITS; + vfe_reg_set(vfe, VFE_0_RDI_CFG_x(0), reg); + + reg = VFE_0_RDI_CFG_x_RDI_EN_BIT; + reg |= ((3 * id) << VFE_0_RDI_CFG_x_RDI_STREAM_SEL_SHIFT) & + VFE_0_RDI_CFG_x_RDI_STREAM_SEL_MASK; + vfe_reg_set(vfe, VFE_0_RDI_CFG_x(id), reg); + + switch (id) { + case VFE_LINE_RDI0: + default: + reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI0 << + VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT; + break; + case VFE_LINE_RDI1: + reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI1 << + VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT; + break; + case VFE_LINE_RDI2: + reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI2 << + VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT; + break; + } + + if (wm % 2 == 1) + reg <<= 16; + + vfe_reg_set(vfe, VFE_0_BUS_XBAR_CFG_x(wm), reg); +} + +static void vfe_wm_set_subsample(struct vfe_device *vfe, u8 wm) +{ + writel_relaxed(VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN_DEF, + vfe->base + + VFE_0_BUS_IMAGE_MASTER_n_WR_IRQ_SUBSAMPLE_PATTERN(wm)); +} + +static void vfe_bus_disconnect_wm_from_rdi(struct vfe_device *vfe, u8 wm, + enum vfe_line_id id) +{ + u32 reg; + + reg = VFE_0_RDI_CFG_x_RDI_EN_BIT; + vfe_reg_clr(vfe, VFE_0_RDI_CFG_x(id), reg); + + switch (id) { + case VFE_LINE_RDI0: + default: + reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI0 << + VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT; + break; + case VFE_LINE_RDI1: + reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI1 << + VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT; + break; + case VFE_LINE_RDI2: + reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_VAL_RDI2 << + VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT; + break; + } + + if (wm % 2 == 1) + reg <<= 16; + + vfe_reg_clr(vfe, VFE_0_BUS_XBAR_CFG_x(wm), reg); +} + +static void vfe_set_xbar_cfg(struct vfe_device *vfe, struct vfe_output *output, + u8 enable) +{ + struct vfe_line *line = container_of(output, struct vfe_line, output); + u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat; + u32 reg; + + switch (p) { + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV21: + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV61: + reg = VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_LUMA << + VFE_0_BUS_XBAR_CFG_x_M_SINGLE_STREAM_SEL_SHIFT; + + if (output->wm_idx[0] % 2 == 1) + reg <<= 16; + + if (enable) + vfe_reg_set(vfe, + VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]), + reg); + else + vfe_reg_clr(vfe, + VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]), + reg); + + reg = VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_EN; + if (p == V4L2_PIX_FMT_NV12 || p == V4L2_PIX_FMT_NV16) + reg |= VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER_INTRA; + + if (output->wm_idx[1] % 2 == 1) + reg <<= 16; + + if (enable) + vfe_reg_set(vfe, + VFE_0_BUS_XBAR_CFG_x(output->wm_idx[1]), + reg); + else + vfe_reg_clr(vfe, + VFE_0_BUS_XBAR_CFG_x(output->wm_idx[1]), + reg); + break; + case V4L2_PIX_FMT_YUYV: + case V4L2_PIX_FMT_YVYU: + case V4L2_PIX_FMT_VYUY: + case V4L2_PIX_FMT_UYVY: + reg = VFE_0_BUS_XBAR_CFG_x_M_REALIGN_BUF_EN; + reg |= VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_EN; + + if (p == V4L2_PIX_FMT_YUYV || p == V4L2_PIX_FMT_YVYU) + reg |= VFE_0_BUS_XBAR_CFG_x_M_PAIR_STREAM_SWAP_INTER_INTRA; + + if (output->wm_idx[0] % 2 == 1) + reg <<= 16; + + if (enable) + vfe_reg_set(vfe, + VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]), + reg); + else + vfe_reg_clr(vfe, + VFE_0_BUS_XBAR_CFG_x(output->wm_idx[0]), + reg); + break; + default: + break; + } +} + +static void vfe_set_realign_cfg(struct vfe_device *vfe, struct vfe_line *line, + u8 enable) +{ + u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat; + u32 val = VFE_0_MODULE_ZOOM_EN_REALIGN_BUF; + + if (p != V4L2_PIX_FMT_YUYV && p != V4L2_PIX_FMT_YVYU && + p != V4L2_PIX_FMT_VYUY && p != V4L2_PIX_FMT_UYVY) + return; + + if (enable) { + vfe_reg_set(vfe, VFE_0_MODULE_ZOOM_EN, val); + } else { + vfe_reg_clr(vfe, VFE_0_MODULE_ZOOM_EN, val); + return; + } + + val = VFE_0_REALIGN_BUF_CFG_HSUB_ENABLE; + + if (p == V4L2_PIX_FMT_UYVY || p == V4L2_PIX_FMT_YUYV) + val |= VFE_0_REALIGN_BUF_CFG_CR_ODD_PIXEL; + else + val |= VFE_0_REALIGN_BUF_CFG_CB_ODD_PIXEL; + + writel_relaxed(val, vfe->base + VFE_0_REALIGN_BUF_CFG); +} + +static void vfe_set_rdi_cid(struct vfe_device *vfe, enum vfe_line_id id, u8 cid) +{ + vfe_reg_clr(vfe, VFE_0_RDI_CFG_x(id), + VFE_0_RDI_CFG_x_RDI_M0_SEL_MASK); + + vfe_reg_set(vfe, VFE_0_RDI_CFG_x(id), + cid << VFE_0_RDI_CFG_x_RDI_M0_SEL_SHIFT); +} + +static void vfe_reg_update(struct vfe_device *vfe, enum vfe_line_id line_id) +{ + vfe->reg_update |= VFE_0_REG_UPDATE_line_n(line_id); + + /* Enforce barrier between line update and commit */ + wmb(); + + writel_relaxed(vfe->reg_update, vfe->base + VFE_0_REG_UPDATE); + + /* Make sure register update is issued before further reg writes */ + wmb(); +} + +static inline void vfe_reg_update_clear(struct vfe_device *vfe, + enum vfe_line_id line_id) +{ + vfe->reg_update &= ~VFE_0_REG_UPDATE_line_n(line_id); +} + +static void vfe_enable_irq_wm_line(struct vfe_device *vfe, u8 wm, + enum vfe_line_id line_id, u8 enable) +{ + u32 irq_en0 = VFE_0_IRQ_MASK_0_IMAGE_MASTER_n_PING_PONG(wm) | + VFE_0_IRQ_MASK_0_line_n_REG_UPDATE(line_id); + u32 irq_en1 = VFE_0_IRQ_MASK_1_IMAGE_MASTER_n_BUS_OVERFLOW(wm) | + VFE_0_IRQ_MASK_1_RDIn_SOF(line_id); + + if (enable) { + vfe_reg_set(vfe, VFE_0_IRQ_MASK_0, irq_en0); + vfe_reg_set(vfe, VFE_0_IRQ_MASK_1, irq_en1); + } else { + vfe_reg_clr(vfe, VFE_0_IRQ_MASK_0, irq_en0); + vfe_reg_clr(vfe, VFE_0_IRQ_MASK_1, irq_en1); + } +} + +static void vfe_enable_irq_pix_line(struct vfe_device *vfe, u8 comp, + enum vfe_line_id line_id, u8 enable) +{ + struct vfe_output *output = &vfe->line[line_id].output; + unsigned int i; + u32 irq_en0; + u32 irq_en1; + u32 comp_mask = 0; + + irq_en0 = VFE_0_IRQ_MASK_0_CAMIF_SOF; + irq_en0 |= VFE_0_IRQ_MASK_0_CAMIF_EOF; + irq_en0 |= VFE_0_IRQ_MASK_0_IMAGE_COMPOSITE_DONE_n(comp); + irq_en0 |= VFE_0_IRQ_MASK_0_line_n_REG_UPDATE(line_id); + irq_en1 = VFE_0_IRQ_MASK_1_CAMIF_ERROR; + for (i = 0; i < output->wm_num; i++) { + irq_en1 |= VFE_0_IRQ_MASK_1_IMAGE_MASTER_n_BUS_OVERFLOW( + output->wm_idx[i]); + comp_mask |= (1 << output->wm_idx[i]) << comp * 8; + } + + if (enable) { + vfe_reg_set(vfe, VFE_0_IRQ_MASK_0, irq_en0); + vfe_reg_set(vfe, VFE_0_IRQ_MASK_1, irq_en1); + vfe_reg_set(vfe, VFE_0_IRQ_COMPOSITE_MASK_0, comp_mask); + } else { + vfe_reg_clr(vfe, VFE_0_IRQ_MASK_0, irq_en0); + vfe_reg_clr(vfe, VFE_0_IRQ_MASK_1, irq_en1); + vfe_reg_clr(vfe, VFE_0_IRQ_COMPOSITE_MASK_0, comp_mask); + } +} + +static void vfe_enable_irq_common(struct vfe_device *vfe) +{ + u32 irq_en0 = VFE_0_IRQ_MASK_0_RESET_ACK; + u32 irq_en1 = VFE_0_IRQ_MASK_1_VIOLATION | + VFE_0_IRQ_MASK_1_BUS_BDG_HALT_ACK; + + vfe_reg_set(vfe, VFE_0_IRQ_MASK_0, irq_en0); + vfe_reg_set(vfe, VFE_0_IRQ_MASK_1, irq_en1); +} + +static void vfe_set_demux_cfg(struct vfe_device *vfe, struct vfe_line *line) +{ + u32 val, even_cfg, odd_cfg; + + writel_relaxed(VFE_0_DEMUX_CFG_PERIOD, vfe->base + VFE_0_DEMUX_CFG); + + val = VFE_0_DEMUX_GAIN_0_CH0_EVEN | VFE_0_DEMUX_GAIN_0_CH0_ODD; + writel_relaxed(val, vfe->base + VFE_0_DEMUX_GAIN_0); + + val = VFE_0_DEMUX_GAIN_1_CH1 | VFE_0_DEMUX_GAIN_1_CH2; + writel_relaxed(val, vfe->base + VFE_0_DEMUX_GAIN_1); + + switch (line->fmt[MSM_VFE_PAD_SINK].code) { + case MEDIA_BUS_FMT_YUYV8_2X8: + even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_YUYV; + odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_YUYV; + break; + case MEDIA_BUS_FMT_YVYU8_2X8: + even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_YVYU; + odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_YVYU; + break; + case MEDIA_BUS_FMT_UYVY8_2X8: + default: + even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_UYVY; + odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_UYVY; + break; + case MEDIA_BUS_FMT_VYUY8_2X8: + even_cfg = VFE_0_DEMUX_EVEN_CFG_PATTERN_VYUY; + odd_cfg = VFE_0_DEMUX_ODD_CFG_PATTERN_VYUY; + break; + } + + writel_relaxed(even_cfg, vfe->base + VFE_0_DEMUX_EVEN_CFG); + writel_relaxed(odd_cfg, vfe->base + VFE_0_DEMUX_ODD_CFG); +} + +static void vfe_set_scale_cfg(struct vfe_device *vfe, struct vfe_line *line) +{ + u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat; + u32 reg; + u16 input, output; + u8 interp_reso; + u32 phase_mult; + + writel_relaxed(0x3, vfe->base + VFE_0_SCALE_ENC_Y_CFG); + + input = line->fmt[MSM_VFE_PAD_SINK].width - 1; + output = line->compose.width - 1; + reg = (output << 16) | input; + writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_H_IMAGE_SIZE); + + interp_reso = vfe_calc_interp_reso(input, output); + phase_mult = input * (1 << (14 + interp_reso)) / output; + reg = (interp_reso << 28) | phase_mult; + writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_H_PHASE); + + input = line->fmt[MSM_VFE_PAD_SINK].height - 1; + output = line->compose.height - 1; + reg = (output << 16) | input; + writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_V_IMAGE_SIZE); + + interp_reso = vfe_calc_interp_reso(input, output); + phase_mult = input * (1 << (14 + interp_reso)) / output; + reg = (interp_reso << 28) | phase_mult; + writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_Y_V_PHASE); + + writel_relaxed(0x3, vfe->base + VFE_0_SCALE_ENC_CBCR_CFG); + + input = line->fmt[MSM_VFE_PAD_SINK].width - 1; + output = line->compose.width / 2 - 1; + reg = (output << 16) | input; + writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_H_IMAGE_SIZE); + + interp_reso = vfe_calc_interp_reso(input, output); + phase_mult = input * (1 << (14 + interp_reso)) / output; + reg = (interp_reso << 28) | phase_mult; + writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_H_PHASE); + + input = line->fmt[MSM_VFE_PAD_SINK].height - 1; + output = line->compose.height - 1; + if (p == V4L2_PIX_FMT_NV12 || p == V4L2_PIX_FMT_NV21) + output = line->compose.height / 2 - 1; + reg = (output << 16) | input; + writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_V_IMAGE_SIZE); + + interp_reso = vfe_calc_interp_reso(input, output); + phase_mult = input * (1 << (14 + interp_reso)) / output; + reg = (interp_reso << 28) | phase_mult; + writel_relaxed(reg, vfe->base + VFE_0_SCALE_ENC_CBCR_V_PHASE); +} + +static void vfe_set_crop_cfg(struct vfe_device *vfe, struct vfe_line *line) +{ + u32 p = line->video_out.active_fmt.fmt.pix_mp.pixelformat; + u32 reg; + u16 first, last; + + first = line->crop.left; + last = line->crop.left + line->crop.width - 1; + reg = (first << 16) | last; + writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_Y_WIDTH); + + first = line->crop.top; + last = line->crop.top + line->crop.height - 1; + reg = (first << 16) | last; + writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_Y_HEIGHT); + + first = line->crop.left / 2; + last = line->crop.left / 2 + line->crop.width / 2 - 1; + reg = (first << 16) | last; + writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_CBCR_WIDTH); + + first = line->crop.top; + last = line->crop.top + line->crop.height - 1; + if (p == V4L2_PIX_FMT_NV12 || p == V4L2_PIX_FMT_NV21) { + first = line->crop.top / 2; + last = line->crop.top / 2 + line->crop.height / 2 - 1; + } + reg = (first << 16) | last; + writel_relaxed(reg, vfe->base + VFE_0_CROP_ENC_CBCR_HEIGHT); +} + +static void vfe_set_clamp_cfg(struct vfe_device *vfe) +{ + u32 val = VFE_0_CLAMP_ENC_MAX_CFG_CH0 | + VFE_0_CLAMP_ENC_MAX_CFG_CH1 | + VFE_0_CLAMP_ENC_MAX_CFG_CH2; + + writel_relaxed(val, vfe->base + VFE_0_CLAMP_ENC_MAX_CFG); + + val = VFE_0_CLAMP_ENC_MIN_CFG_CH0 | + VFE_0_CLAMP_ENC_MIN_CFG_CH1 | + VFE_0_CLAMP_ENC_MIN_CFG_CH2; + + writel_relaxed(val, vfe->base + VFE_0_CLAMP_ENC_MIN_CFG); +} + +static void vfe_set_cgc_override(struct vfe_device *vfe, u8 wm, u8 enable) +{ + /* empty */ +} + +static void vfe_set_camif_cfg(struct vfe_device *vfe, struct vfe_line *line) +{ + u32 val; + + switch (line->fmt[MSM_VFE_PAD_SINK].code) { + case MEDIA_BUS_FMT_YUYV8_2X8: + val = VFE_0_CORE_CFG_PIXEL_PATTERN_YCBYCR; + break; + case MEDIA_BUS_FMT_YVYU8_2X8: + val = VFE_0_CORE_CFG_PIXEL_PATTERN_YCRYCB; + break; + case MEDIA_BUS_FMT_UYVY8_2X8: + default: + val = VFE_0_CORE_CFG_PIXEL_PATTERN_CBYCRY; + break; + case MEDIA_BUS_FMT_VYUY8_2X8: + val = VFE_0_CORE_CFG_PIXEL_PATTERN_CRYCBY; + break; + } + + val |= VFE_0_CORE_CFG_COMPOSITE_REG_UPDATE_EN; + writel_relaxed(val, vfe->base + VFE_0_CORE_CFG); + + val = line->fmt[MSM_VFE_PAD_SINK].width * 2 - 1; + val |= (line->fmt[MSM_VFE_PAD_SINK].height - 1) << 16; + writel_relaxed(val, vfe->base + VFE_0_CAMIF_FRAME_CFG); + + val = line->fmt[MSM_VFE_PAD_SINK].width * 2 - 1; + writel_relaxed(val, vfe->base + VFE_0_CAMIF_WINDOW_WIDTH_CFG); + + val = line->fmt[MSM_VFE_PAD_SINK].height - 1; + writel_relaxed(val, vfe->base + VFE_0_CAMIF_WINDOW_HEIGHT_CFG); + + val = 0xffffffff; + writel_relaxed(val, vfe->base + VFE_0_CAMIF_SUBSAMPLE_CFG); + + val = 0xffffffff; + writel_relaxed(val, vfe->base + VFE_0_CAMIF_IRQ_FRAMEDROP_PATTERN); + + val = 0xffffffff; + writel_relaxed(val, vfe->base + VFE_0_CAMIF_IRQ_SUBSAMPLE_PATTERN); + + val = VFE_0_RDI_CFG_x_MIPI_EN_BITS; + vfe_reg_set(vfe, VFE_0_RDI_CFG_x(0), val); + + val = VFE_0_CAMIF_CFG_VFE_OUTPUT_EN; + writel_relaxed(val, vfe->base + VFE_0_CAMIF_CFG); +} + +static void vfe_set_camif_cmd(struct vfe_device *vfe, u8 enable) +{ + u32 cmd; + + cmd = VFE_0_CAMIF_CMD_CLEAR_CAMIF_STATUS | VFE_0_CAMIF_CMD_NO_CHANGE; + writel_relaxed(cmd, vfe->base + VFE_0_CAMIF_CMD); + + /* Make sure camif command is issued written before it is changed again */ + wmb(); + + if (enable) + cmd = VFE_0_CAMIF_CMD_ENABLE_FRAME_BOUNDARY; + else + cmd = VFE_0_CAMIF_CMD_DISABLE_FRAME_BOUNDARY; + + writel_relaxed(cmd, vfe->base + VFE_0_CAMIF_CMD); +} + +static void vfe_set_module_cfg(struct vfe_device *vfe, u8 enable) +{ + u32 val_lens = VFE_0_MODULE_LENS_EN_DEMUX | + VFE_0_MODULE_LENS_EN_CHROMA_UPSAMPLE; + u32 val_zoom = VFE_0_MODULE_ZOOM_EN_SCALE_ENC | + VFE_0_MODULE_ZOOM_EN_CROP_ENC; + + if (enable) { + vfe_reg_set(vfe, VFE_0_MODULE_LENS_EN, val_lens); + vfe_reg_set(vfe, VFE_0_MODULE_ZOOM_EN, val_zoom); + } else { + vfe_reg_clr(vfe, VFE_0_MODULE_LENS_EN, val_lens); + vfe_reg_clr(vfe, VFE_0_MODULE_ZOOM_EN, val_zoom); + } +} + +static int vfe_camif_wait_for_stop(struct vfe_device *vfe, struct device *dev) +{ + u32 val; + int ret; + + ret = readl_poll_timeout(vfe->base + VFE_0_CAMIF_STATUS, + val, + (val & VFE_0_CAMIF_STATUS_HALT), + CAMIF_TIMEOUT_SLEEP_US, + CAMIF_TIMEOUT_ALL_US); + if (ret < 0) + dev_err(dev, "%s: camif stop timeout\n", __func__); + + return ret; +} + +/* + * 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) +{ + struct vfe_device *vfe = dev; + u32 value0, value1; + int i, j; + + vfe->ops->isr_read(vfe, &value0, &value1); + + dev_dbg(vfe->camss->dev, "VFE: status0 = 0x%08x, status1 = 0x%08x\n", + value0, value1); + + if (value0 & VFE_0_IRQ_STATUS_0_RESET_ACK) + vfe->isr_ops.reset_ack(vfe); + + if (value1 & VFE_0_IRQ_STATUS_1_VIOLATION) + vfe->ops->violation_read(vfe); + + if (value1 & VFE_0_IRQ_STATUS_1_BUS_BDG_HALT_ACK) + vfe->isr_ops.halt_ack(vfe); + + for (i = VFE_LINE_RDI0; i < vfe->line_num; i++) + if (value0 & VFE_0_IRQ_STATUS_0_line_n_REG_UPDATE(i)) + vfe->isr_ops.reg_update(vfe, i); + + if (value0 & VFE_0_IRQ_STATUS_0_CAMIF_SOF) + vfe->isr_ops.sof(vfe, VFE_LINE_PIX); + + for (i = VFE_LINE_RDI0; i <= VFE_LINE_RDI2; i++) + if (value1 & VFE_0_IRQ_STATUS_1_RDIn_SOF(i)) + vfe->isr_ops.sof(vfe, i); + + for (i = 0; i < MSM_VFE_COMPOSITE_IRQ_NUM; i++) + if (value0 & VFE_0_IRQ_STATUS_0_IMAGE_COMPOSITE_DONE_n(i)) { + vfe->isr_ops.comp_done(vfe, i); + for (j = 0; j < ARRAY_SIZE(vfe->wm_output_map); j++) + if (vfe->wm_output_map[j] == VFE_LINE_PIX) + value0 &= ~VFE_0_IRQ_MASK_0_IMAGE_MASTER_n_PING_PONG(j); + } + + for (i = 0; i < MSM_VFE_IMAGE_MASTERS_NUM; i++) + if (value0 & VFE_0_IRQ_STATUS_0_IMAGE_MASTER_n_PING_PONG(i)) + vfe->isr_ops.wm_done(vfe, i); + + return IRQ_HANDLED; +} + +static u16 vfe_get_ub_size(u8 vfe_id) +{ + /* On VFE4.8 the ub-size is the same on both instances */ + return MSM_VFE_VFE0_UB_SIZE_RDI; +} + +static void vfe_wm_enable(struct vfe_device *vfe, u8 wm, u8 enable) +{ + if (enable) + writel_relaxed(2 << VFE_0_BUS_IMAGE_MASTER_n_SHIFT(wm), + vfe->base + VFE_0_BUS_IMAGE_MASTER_CMD); + else + writel_relaxed(1 << VFE_0_BUS_IMAGE_MASTER_n_SHIFT(wm), + vfe->base + VFE_0_BUS_IMAGE_MASTER_CMD); + + /* The WM must be enabled before sending other commands */ + wmb(); +} + +static void vfe_set_qos(struct vfe_device *vfe) +{ + u32 val = VFE_0_BUS_BDG_QOS_CFG_0_CFG; + u32 val3 = VFE_0_BUS_BDG_QOS_CFG_3_CFG; + u32 val4 = VFE_0_BUS_BDG_QOS_CFG_4_CFG; + u32 val7 = VFE_0_BUS_BDG_QOS_CFG_7_CFG; + + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_0); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_1); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_QOS_CFG_2); + writel_relaxed(val3, vfe->base + VFE_0_BUS_BDG_QOS_CFG_3); + writel_relaxed(val4, vfe->base + VFE_0_BUS_BDG_QOS_CFG_4); + writel_relaxed(val4, vfe->base + VFE_0_BUS_BDG_QOS_CFG_5); + writel_relaxed(val4, vfe->base + VFE_0_BUS_BDG_QOS_CFG_6); + writel_relaxed(val7, vfe->base + VFE_0_BUS_BDG_QOS_CFG_7); +} + +static void vfe_set_ds(struct vfe_device *vfe) +{ + u32 val = VFE_0_BUS_BDG_DS_CFG_0_CFG; + u32 val16 = VFE_0_BUS_BDG_DS_CFG_16_CFG; + + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_0); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_1); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_2); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_3); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_4); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_5); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_6); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_7); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_8); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_9); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_10); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_11); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_12); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_13); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_14); + writel_relaxed(val, vfe->base + VFE_0_BUS_BDG_DS_CFG_15); + writel_relaxed(val16, vfe->base + VFE_0_BUS_BDG_DS_CFG_16); +} + +static void vfe_isr_read(struct vfe_device *vfe, u32 *value0, u32 *value1) +{ + *value0 = readl_relaxed(vfe->base + VFE_0_IRQ_STATUS_0); + *value1 = readl_relaxed(vfe->base + VFE_0_IRQ_STATUS_1); + + writel_relaxed(*value0, vfe->base + VFE_0_IRQ_CLEAR_0); + writel_relaxed(*value1, vfe->base + VFE_0_IRQ_CLEAR_1); + + /* Enforce barrier between local & global IRQ clear */ + wmb(); + writel_relaxed(VFE_0_IRQ_CMD_GLOBAL_CLEAR, vfe->base + VFE_0_IRQ_CMD); +} + +static void vfe_violation_read(struct vfe_device *vfe) +{ + u32 violation = readl_relaxed(vfe->base + VFE_0_VIOLATION_STATUS); + + pr_err_ratelimited("VFE: violation = 0x%08x\n", violation); +} + +const struct vfe_hw_ops_gen1 vfe_ops_gen1_4_8 = { + .bus_connect_wm_to_rdi = vfe_bus_connect_wm_to_rdi, + .bus_disconnect_wm_from_rdi = vfe_bus_disconnect_wm_from_rdi, + .bus_enable_wr_if = vfe_bus_enable_wr_if, + .bus_reload_wm = vfe_bus_reload_wm, + .camif_wait_for_stop = vfe_camif_wait_for_stop, + .enable_irq_common = vfe_enable_irq_common, + .enable_irq_pix_line = vfe_enable_irq_pix_line, + .enable_irq_wm_line = vfe_enable_irq_wm_line, + .get_ub_size = vfe_get_ub_size, + .halt_clear = vfe_halt_clear, + .halt_request = vfe_halt_request, + .set_camif_cfg = vfe_set_camif_cfg, + .set_camif_cmd = vfe_set_camif_cmd, + .set_cgc_override = vfe_set_cgc_override, + .set_clamp_cfg = vfe_set_clamp_cfg, + .set_crop_cfg = vfe_set_crop_cfg, + .set_demux_cfg = vfe_set_demux_cfg, + .set_ds = vfe_set_ds, + .set_module_cfg = vfe_set_module_cfg, + .set_qos = vfe_set_qos, + .set_rdi_cid = vfe_set_rdi_cid, + .set_realign_cfg = vfe_set_realign_cfg, + .set_scale_cfg = vfe_set_scale_cfg, + .set_xbar_cfg = vfe_set_xbar_cfg, + .wm_enable = vfe_wm_enable, + .wm_frame_based = vfe_wm_frame_based, + .wm_get_ping_pong_status = vfe_wm_get_ping_pong_status, + .wm_line_based = vfe_wm_line_based, + .wm_set_framedrop_pattern = vfe_wm_set_framedrop_pattern, + .wm_set_framedrop_period = vfe_wm_set_framedrop_period, + .wm_set_ping_addr = vfe_wm_set_ping_addr, + .wm_set_pong_addr = vfe_wm_set_pong_addr, + .wm_set_subsample = vfe_wm_set_subsample, + .wm_set_ub_cfg = vfe_wm_set_ub_cfg, +}; + +static void vfe_subdev_init(struct device *dev, struct vfe_device *vfe) +{ + vfe->isr_ops = vfe_isr_ops_gen1; + vfe->ops_gen1 = &vfe_ops_gen1_4_8; + vfe->video_ops = vfe_video_ops_gen1; + + vfe->line_num = VFE_LINE_NUM_GEN1; +} + +const struct vfe_hw_ops vfe_ops_4_8 = { + .global_reset = vfe_global_reset, + .hw_version_read = vfe_hw_version_read, + .isr_read = vfe_isr_read, + .isr = vfe_isr, + .reg_update_clear = vfe_reg_update_clear, + .reg_update = vfe_reg_update, + .subdev_init = vfe_subdev_init, + .vfe_disable = vfe_gen1_disable, + .vfe_enable = vfe_gen1_enable, + .vfe_halt = vfe_gen1_halt, + .violation_read = vfe_violation_read, +}; diff --git a/drivers/media/platform/qcom/camss/camss-vfe-gen1.c b/drivers/media/platform/qcom/camss/camss-vfe-gen1.c new file mode 100644 index 000000000000..6737d9cf5150 --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss-vfe-gen1.c @@ -0,0 +1,763 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * camss-vfe-gen1.c + * + * Qualcomm MSM Camera Subsystem - VFE Common functionality for Gen 1 versions of hw (4.1, 4.7..) + * + * Copyright (C) 2020 Linaro Ltd. + */ + + +#include "camss.h" +#include "camss-vfe.h" +#include "camss-vfe-gen1.h" + +/* Max number of frame drop updates per frame */ +#define VFE_FRAME_DROP_UPDATES 2 +#define VFE_NEXT_SOF_MS 500 + + +int vfe_gen1_halt(struct vfe_device *vfe) +{ + unsigned long time; + + return 0; + + reinit_completion(&vfe->halt_complete); + + vfe->ops_gen1->halt_request(vfe); + + time = wait_for_completion_timeout(&vfe->halt_complete, + msecs_to_jiffies(VFE_HALT_TIMEOUT_MS)); + if (!time) { + dev_err(vfe->camss->dev, "VFE halt timeout\n"); + return -EIO; + } + + return 0; +} + +static int vfe_disable_output(struct vfe_line *line) +{ + struct vfe_device *vfe = to_vfe(line); + struct vfe_output *output = &line->output; + const struct vfe_hw_ops *ops = vfe->ops; + unsigned long flags; + unsigned long time; + unsigned int i; + + spin_lock_irqsave(&vfe->output_lock, flags); + + output->gen1.wait_sof = 1; + spin_unlock_irqrestore(&vfe->output_lock, flags); + + time = wait_for_completion_timeout(&output->sof, msecs_to_jiffies(VFE_NEXT_SOF_MS)); + if (!time) + dev_err(vfe->camss->dev, "VFE sof timeout\n"); + + spin_lock_irqsave(&vfe->output_lock, flags); + for (i = 0; i < output->wm_num; i++) + vfe->ops_gen1->wm_enable(vfe, output->wm_idx[i], 0); + + ops->reg_update(vfe, line->id); + output->wait_reg_update = 1; + spin_unlock_irqrestore(&vfe->output_lock, flags); + + time = wait_for_completion_timeout(&output->reg_update, msecs_to_jiffies(VFE_NEXT_SOF_MS)); + if (!time) + dev_err(vfe->camss->dev, "VFE reg update timeout\n"); + + spin_lock_irqsave(&vfe->output_lock, flags); + + if (line->id != VFE_LINE_PIX) { + vfe->ops_gen1->wm_frame_based(vfe, output->wm_idx[0], 0); + vfe->ops_gen1->bus_disconnect_wm_from_rdi(vfe, output->wm_idx[0], line->id); + vfe->ops_gen1->enable_irq_wm_line(vfe, output->wm_idx[0], line->id, 0); + vfe->ops_gen1->set_cgc_override(vfe, output->wm_idx[0], 0); + spin_unlock_irqrestore(&vfe->output_lock, flags); + } else { + for (i = 0; i < output->wm_num; i++) { + vfe->ops_gen1->wm_line_based(vfe, output->wm_idx[i], NULL, i, 0); + vfe->ops_gen1->set_cgc_override(vfe, output->wm_idx[i], 0); + } + + vfe->ops_gen1->enable_irq_pix_line(vfe, 0, line->id, 0); + vfe->ops_gen1->set_module_cfg(vfe, 0); + vfe->ops_gen1->set_realign_cfg(vfe, line, 0); + vfe->ops_gen1->set_xbar_cfg(vfe, output, 0); + vfe->ops_gen1->set_camif_cmd(vfe, 0); + + spin_unlock_irqrestore(&vfe->output_lock, flags); + + vfe->ops_gen1->camif_wait_for_stop(vfe, vfe->camss->dev); + } + + return 0; +} + +/* + * vfe_gen1_disable - Disable streaming on VFE line + * @line: VFE line + * + * Return 0 on success or a negative error code otherwise + */ +int vfe_gen1_disable(struct vfe_line *line) +{ + struct vfe_device *vfe = to_vfe(line); + + vfe_disable_output(line); + + vfe_put_output(line); + + mutex_lock(&vfe->stream_lock); + + if (vfe->stream_count == 1) + vfe->ops_gen1->bus_enable_wr_if(vfe, 0); + + vfe->stream_count--; + + mutex_unlock(&vfe->stream_lock); + + return 0; +} + +static void vfe_output_init_addrs(struct vfe_device *vfe, + struct vfe_output *output, u8 sync, + struct vfe_line *line) +{ + u32 ping_addr; + u32 pong_addr; + unsigned int i; + + output->gen1.active_buf = 0; + + for (i = 0; i < output->wm_num; i++) { + if (output->buf[0]) + ping_addr = output->buf[0]->addr[i]; + else + ping_addr = 0; + + if (output->buf[1]) + pong_addr = output->buf[1]->addr[i]; + else + pong_addr = ping_addr; + + vfe->ops_gen1->wm_set_ping_addr(vfe, output->wm_idx[i], ping_addr); + vfe->ops_gen1->wm_set_pong_addr(vfe, output->wm_idx[i], pong_addr); + if (sync) + vfe->ops_gen1->bus_reload_wm(vfe, output->wm_idx[i]); + } +} + +static void vfe_output_frame_drop(struct vfe_device *vfe, + struct vfe_output *output, + u32 drop_pattern) +{ + u8 drop_period; + unsigned int i; + + /* We need to toggle update period to be valid on next frame */ + output->drop_update_idx++; + output->drop_update_idx %= VFE_FRAME_DROP_UPDATES; + drop_period = VFE_FRAME_DROP_VAL + output->drop_update_idx; + + for (i = 0; i < output->wm_num; i++) { + vfe->ops_gen1->wm_set_framedrop_period(vfe, output->wm_idx[i], drop_period); + vfe->ops_gen1->wm_set_framedrop_pattern(vfe, output->wm_idx[i], drop_pattern); + } + + vfe->ops->reg_update(vfe, container_of(output, struct vfe_line, output)->id); +} + +static int vfe_enable_output(struct vfe_line *line) +{ + struct vfe_device *vfe = to_vfe(line); + struct vfe_output *output = &line->output; + const struct vfe_hw_ops *ops = vfe->ops; + struct media_entity *sensor; + unsigned long flags; + unsigned int frame_skip = 0; + unsigned int i; + u16 ub_size; + + ub_size = vfe->ops_gen1->get_ub_size(vfe->id); + if (!ub_size) + return -EINVAL; + + sensor = camss_find_sensor(&line->subdev.entity); + if (sensor) { + struct v4l2_subdev *subdev = media_entity_to_v4l2_subdev(sensor); + + v4l2_subdev_call(subdev, sensor, g_skip_frames, &frame_skip); + /* Max frame skip is 29 frames */ + if (frame_skip > VFE_FRAME_DROP_VAL - 1) + frame_skip = VFE_FRAME_DROP_VAL - 1; + } + + spin_lock_irqsave(&vfe->output_lock, flags); + + ops->reg_update_clear(vfe, line->id); + + if (output->state != VFE_OUTPUT_RESERVED) { + dev_err(vfe->camss->dev, "Output is not in reserved state %d\n", output->state); + spin_unlock_irqrestore(&vfe->output_lock, flags); + return -EINVAL; + } + output->state = VFE_OUTPUT_IDLE; + + output->buf[0] = vfe_buf_get_pending(output); + output->buf[1] = vfe_buf_get_pending(output); + + if (!output->buf[0] && output->buf[1]) { + output->buf[0] = output->buf[1]; + output->buf[1] = NULL; + } + + if (output->buf[0]) + output->state = VFE_OUTPUT_SINGLE; + + if (output->buf[1]) + output->state = VFE_OUTPUT_CONTINUOUS; + + switch (output->state) { + case VFE_OUTPUT_SINGLE: + vfe_output_frame_drop(vfe, output, 1 << frame_skip); + break; + case VFE_OUTPUT_CONTINUOUS: + vfe_output_frame_drop(vfe, output, 3 << frame_skip); + break; + default: + vfe_output_frame_drop(vfe, output, 0); + break; + } + + output->sequence = 0; + output->gen1.wait_sof = 0; + output->wait_reg_update = 0; + reinit_completion(&output->sof); + reinit_completion(&output->reg_update); + + vfe_output_init_addrs(vfe, output, 0, line); + + if (line->id != VFE_LINE_PIX) { + vfe->ops_gen1->set_cgc_override(vfe, output->wm_idx[0], 1); + vfe->ops_gen1->enable_irq_wm_line(vfe, output->wm_idx[0], line->id, 1); + vfe->ops_gen1->bus_connect_wm_to_rdi(vfe, output->wm_idx[0], line->id); + vfe->ops_gen1->wm_set_subsample(vfe, output->wm_idx[0]); + vfe->ops_gen1->set_rdi_cid(vfe, line->id, 0); + vfe->ops_gen1->wm_set_ub_cfg(vfe, output->wm_idx[0], + (ub_size + 1) * output->wm_idx[0], ub_size); + vfe->ops_gen1->wm_frame_based(vfe, output->wm_idx[0], 1); + vfe->ops_gen1->wm_enable(vfe, output->wm_idx[0], 1); + vfe->ops_gen1->bus_reload_wm(vfe, output->wm_idx[0]); + } else { + ub_size /= output->wm_num; + for (i = 0; i < output->wm_num; i++) { + vfe->ops_gen1->set_cgc_override(vfe, output->wm_idx[i], 1); + vfe->ops_gen1->wm_set_subsample(vfe, output->wm_idx[i]); + vfe->ops_gen1->wm_set_ub_cfg(vfe, output->wm_idx[i], + (ub_size + 1) * output->wm_idx[i], ub_size); + vfe->ops_gen1->wm_line_based(vfe, output->wm_idx[i], + &line->video_out.active_fmt.fmt.pix_mp, i, 1); + vfe->ops_gen1->wm_enable(vfe, output->wm_idx[i], 1); + vfe->ops_gen1->bus_reload_wm(vfe, output->wm_idx[i]); + } + vfe->ops_gen1->enable_irq_pix_line(vfe, 0, line->id, 1); + vfe->ops_gen1->set_module_cfg(vfe, 1); + vfe->ops_gen1->set_camif_cfg(vfe, line); + vfe->ops_gen1->set_realign_cfg(vfe, line, 1); + vfe->ops_gen1->set_xbar_cfg(vfe, output, 1); + vfe->ops_gen1->set_demux_cfg(vfe, line); + vfe->ops_gen1->set_scale_cfg(vfe, line); + vfe->ops_gen1->set_crop_cfg(vfe, line); + vfe->ops_gen1->set_clamp_cfg(vfe); + vfe->ops_gen1->set_camif_cmd(vfe, 1); + } + + ops->reg_update(vfe, line->id); + + spin_unlock_irqrestore(&vfe->output_lock, flags); + + return 0; +} + +static int vfe_get_output(struct vfe_line *line) +{ + struct vfe_device *vfe = to_vfe(line); + struct vfe_output *output; + struct v4l2_format *f = &line->video_out.active_fmt; + unsigned long flags; + int i; + int wm_idx; + + spin_lock_irqsave(&vfe->output_lock, flags); + + output = &line->output; + if (output->state != VFE_OUTPUT_OFF) { + dev_err(vfe->camss->dev, "Output is running\n"); + goto error; + } + output->state = VFE_OUTPUT_RESERVED; + + output->gen1.active_buf = 0; + + switch (f->fmt.pix_mp.pixelformat) { + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV21: + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV61: + output->wm_num = 2; + break; + default: + output->wm_num = 1; + break; + } + + for (i = 0; i < output->wm_num; i++) { + wm_idx = vfe_reserve_wm(vfe, line->id); + if (wm_idx < 0) { + dev_err(vfe->camss->dev, "Can not reserve wm\n"); + goto error_get_wm; + } + output->wm_idx[i] = wm_idx; + } + + output->drop_update_idx = 0; + + spin_unlock_irqrestore(&vfe->output_lock, flags); + + return 0; + +error_get_wm: + for (i--; i >= 0; i--) + vfe_release_wm(vfe, output->wm_idx[i]); + output->state = VFE_OUTPUT_OFF; +error: + spin_unlock_irqrestore(&vfe->output_lock, flags); + + return -EINVAL; +} + +int vfe_gen1_enable(struct vfe_line *line) +{ + struct vfe_device *vfe = to_vfe(line); + int ret; + + mutex_lock(&vfe->stream_lock); + + if (!vfe->stream_count) { + vfe->ops_gen1->enable_irq_common(vfe); + vfe->ops_gen1->bus_enable_wr_if(vfe, 1); + vfe->ops_gen1->set_qos(vfe); + vfe->ops_gen1->set_ds(vfe); + } + + vfe->stream_count++; + + mutex_unlock(&vfe->stream_lock); + + ret = vfe_get_output(line); + if (ret < 0) + goto error_get_output; + + ret = vfe_enable_output(line); + if (ret < 0) + goto error_enable_output; + + vfe->was_streaming = 1; + + return 0; + + +error_enable_output: + vfe_put_output(line); + +error_get_output: + mutex_lock(&vfe->stream_lock); + + if (vfe->stream_count == 1) + vfe->ops_gen1->bus_enable_wr_if(vfe, 0); + + vfe->stream_count--; + + mutex_unlock(&vfe->stream_lock); + + return ret; +} + +static void vfe_output_update_ping_addr(struct vfe_device *vfe, + struct vfe_output *output, u8 sync, + struct vfe_line *line) +{ + u32 addr; + unsigned int i; + + for (i = 0; i < output->wm_num; i++) { + if (output->buf[0]) + addr = output->buf[0]->addr[i]; + else + addr = 0; + + vfe->ops_gen1->wm_set_ping_addr(vfe, output->wm_idx[i], addr); + if (sync) + vfe->ops_gen1->bus_reload_wm(vfe, output->wm_idx[i]); + } +} + +static void vfe_output_update_pong_addr(struct vfe_device *vfe, + struct vfe_output *output, u8 sync, + struct vfe_line *line) +{ + u32 addr; + unsigned int i; + + for (i = 0; i < output->wm_num; i++) { + if (output->buf[1]) + addr = output->buf[1]->addr[i]; + else + addr = 0; + + vfe->ops_gen1->wm_set_pong_addr(vfe, output->wm_idx[i], addr); + if (sync) + vfe->ops_gen1->bus_reload_wm(vfe, output->wm_idx[i]); + + } + +} + +static void vfe_buf_update_wm_on_next(struct vfe_device *vfe, + struct vfe_output *output) +{ + switch (output->state) { + case VFE_OUTPUT_CONTINUOUS: + vfe_output_frame_drop(vfe, output, 3); + break; + case VFE_OUTPUT_SINGLE: + default: + dev_err_ratelimited(vfe->camss->dev, + "Next buf in wrong state! %d\n", + output->state); + break; + } +} + +static void vfe_buf_update_wm_on_last(struct vfe_device *vfe, + struct vfe_output *output) +{ + switch (output->state) { + case VFE_OUTPUT_CONTINUOUS: + output->state = VFE_OUTPUT_SINGLE; + vfe_output_frame_drop(vfe, output, 1); + break; + case VFE_OUTPUT_SINGLE: + output->state = VFE_OUTPUT_STOPPING; + vfe_output_frame_drop(vfe, output, 0); + break; + default: + dev_err_ratelimited(vfe->camss->dev, + "Last buff in wrong state! %d\n", + output->state); + break; + } +} + +static void vfe_buf_update_wm_on_new(struct vfe_device *vfe, + struct vfe_output *output, + struct camss_buffer *new_buf, + struct vfe_line *line) +{ + int inactive_idx; + + switch (output->state) { + case VFE_OUTPUT_SINGLE: + inactive_idx = !output->gen1.active_buf; + + if (!output->buf[inactive_idx]) { + output->buf[inactive_idx] = new_buf; + + if (inactive_idx) + vfe_output_update_pong_addr(vfe, output, 0, line); + else + vfe_output_update_ping_addr(vfe, output, 0, line); + + vfe_output_frame_drop(vfe, output, 3); + output->state = VFE_OUTPUT_CONTINUOUS; + } else { + vfe_buf_add_pending(output, new_buf); + dev_err_ratelimited(vfe->camss->dev, + "Inactive buffer is busy\n"); + } + break; + + case VFE_OUTPUT_IDLE: + if (!output->buf[0]) { + output->buf[0] = new_buf; + + vfe_output_init_addrs(vfe, output, 1, line); + vfe_output_frame_drop(vfe, output, 1); + + output->state = VFE_OUTPUT_SINGLE; + } else { + vfe_buf_add_pending(output, new_buf); + dev_err_ratelimited(vfe->camss->dev, + "Output idle with buffer set!\n"); + } + break; + + case VFE_OUTPUT_CONTINUOUS: + default: + vfe_buf_add_pending(output, new_buf); + break; + } +} + +/* + * vfe_isr_halt_ack - Process halt ack + * @vfe: VFE Device + */ +static void vfe_isr_halt_ack(struct vfe_device *vfe) +{ + complete(&vfe->halt_complete); + vfe->ops_gen1->halt_clear(vfe); +} + +/* + * vfe_isr_sof - Process start of frame interrupt + * @vfe: VFE Device + * @line_id: VFE line + */ +static void vfe_isr_sof(struct vfe_device *vfe, enum vfe_line_id line_id) +{ + struct vfe_output *output; + unsigned long flags; + + spin_lock_irqsave(&vfe->output_lock, flags); + output = &vfe->line[line_id].output; + if (output->gen1.wait_sof) { + output->gen1.wait_sof = 0; + complete(&output->sof); + } + spin_unlock_irqrestore(&vfe->output_lock, flags); +} + +/* + * vfe_isr_reg_update - Process reg update interrupt + * @vfe: VFE Device + * @line_id: VFE line + */ +static void vfe_isr_reg_update(struct vfe_device *vfe, enum vfe_line_id line_id) +{ + struct vfe_output *output; + struct vfe_line *line = &vfe->line[line_id]; + unsigned long flags; + + spin_lock_irqsave(&vfe->output_lock, flags); + vfe->ops->reg_update_clear(vfe, line_id); + + output = &line->output; + + if (output->wait_reg_update) { + output->wait_reg_update = 0; + complete(&output->reg_update); + spin_unlock_irqrestore(&vfe->output_lock, flags); + return; + } + + if (output->state == VFE_OUTPUT_STOPPING) { + /* Release last buffer when hw is idle */ + if (output->last_buffer) { + vb2_buffer_done(&output->last_buffer->vb.vb2_buf, + VB2_BUF_STATE_DONE); + output->last_buffer = NULL; + } + output->state = VFE_OUTPUT_IDLE; + + /* Buffers received in stopping state are queued in */ + /* dma pending queue, start next capture here */ + + output->buf[0] = vfe_buf_get_pending(output); + output->buf[1] = vfe_buf_get_pending(output); + + if (!output->buf[0] && output->buf[1]) { + output->buf[0] = output->buf[1]; + output->buf[1] = NULL; + } + + if (output->buf[0]) + output->state = VFE_OUTPUT_SINGLE; + + if (output->buf[1]) + output->state = VFE_OUTPUT_CONTINUOUS; + + switch (output->state) { + case VFE_OUTPUT_SINGLE: + vfe_output_frame_drop(vfe, output, 2); + break; + case VFE_OUTPUT_CONTINUOUS: + vfe_output_frame_drop(vfe, output, 3); + break; + default: + vfe_output_frame_drop(vfe, output, 0); + break; + } + + vfe_output_init_addrs(vfe, output, 1, &vfe->line[line_id]); + } + + spin_unlock_irqrestore(&vfe->output_lock, flags); +} + +/* + * vfe_isr_wm_done - Process write master done interrupt + * @vfe: VFE Device + * @wm: Write master id + */ +static void vfe_isr_wm_done(struct vfe_device *vfe, u8 wm) +{ + struct camss_buffer *ready_buf; + struct vfe_output *output; + dma_addr_t *new_addr; + unsigned long flags; + u32 active_index; + u64 ts = ktime_get_ns(); + unsigned int i; + + active_index = vfe->ops_gen1->wm_get_ping_pong_status(vfe, wm); + + spin_lock_irqsave(&vfe->output_lock, flags); + + if (vfe->wm_output_map[wm] == VFE_LINE_NONE) { + dev_err_ratelimited(vfe->camss->dev, + "Received wm done for unmapped index\n"); + goto out_unlock; + } + output = &vfe->line[vfe->wm_output_map[wm]].output; + + if (output->gen1.active_buf == active_index && 0) { + dev_err_ratelimited(vfe->camss->dev, + "Active buffer mismatch!\n"); + goto out_unlock; + } + output->gen1.active_buf = active_index; + + ready_buf = output->buf[!active_index]; + if (!ready_buf) { + dev_err_ratelimited(vfe->camss->dev, + "Missing ready buf %d %d!\n", + !active_index, output->state); + goto out_unlock; + } + + ready_buf->vb.vb2_buf.timestamp = ts; + ready_buf->vb.sequence = output->sequence++; + + /* Get next buffer */ + output->buf[!active_index] = vfe_buf_get_pending(output); + if (!output->buf[!active_index]) { + /* No next buffer - set same address */ + new_addr = ready_buf->addr; + vfe_buf_update_wm_on_last(vfe, output); + } else { + new_addr = output->buf[!active_index]->addr; + vfe_buf_update_wm_on_next(vfe, output); + } + + if (active_index) + for (i = 0; i < output->wm_num; i++) + vfe->ops_gen1->wm_set_ping_addr(vfe, output->wm_idx[i], new_addr[i]); + else + for (i = 0; i < output->wm_num; i++) + vfe->ops_gen1->wm_set_pong_addr(vfe, output->wm_idx[i], new_addr[i]); + + spin_unlock_irqrestore(&vfe->output_lock, flags); + + if (output->state == VFE_OUTPUT_STOPPING) + output->last_buffer = ready_buf; + else + vb2_buffer_done(&ready_buf->vb.vb2_buf, VB2_BUF_STATE_DONE); + + return; + +out_unlock: + spin_unlock_irqrestore(&vfe->output_lock, flags); +} + +/* + * vfe_queue_buffer - Add empty buffer + * @vid: Video device structure + * @buf: Buffer to be enqueued + * + * Add an empty buffer - depending on the current number of buffers it will be + * put in pending buffer queue or directly given to the hardware to be filled. + * + * Return 0 on success or a negative error code otherwise + */ +static int vfe_queue_buffer(struct camss_video *vid, struct camss_buffer *buf) +{ + struct vfe_line *line = container_of(vid, struct vfe_line, video_out); + struct vfe_device *vfe = to_vfe(line); + struct vfe_output *output; + unsigned long flags; + + output = &line->output; + + spin_lock_irqsave(&vfe->output_lock, flags); + + vfe_buf_update_wm_on_new(vfe, output, buf, line); + + spin_unlock_irqrestore(&vfe->output_lock, flags); + + return 0; +} + +inline u8 vfe_calc_interp_reso(u16 input, u16 output) +{ + if (input / output >= 16) + return 0; + + if (input / output >= 8) + return 1; + + if (input / output >= 4) + return 2; + + return 3; +} + +#define CALC_WORD(width, M, N) (((width) * (M) + (N) - 1) / (N)) + +int vfe_word_per_line(u32 format, u32 width) +{ + int val = 0; + + switch (format) { + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV21: + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV61: + val = CALC_WORD(width, 1, 8); + break; + case V4L2_PIX_FMT_YUYV: + case V4L2_PIX_FMT_YVYU: + case V4L2_PIX_FMT_UYVY: + case V4L2_PIX_FMT_VYUY: + val = CALC_WORD(width, 2, 8); + break; + } + + return val; +} + +const struct vfe_isr_ops vfe_isr_ops_gen1 = { + .reset_ack = vfe_isr_reset_ack, + .halt_ack = vfe_isr_halt_ack, + .reg_update = vfe_isr_reg_update, + .sof = vfe_isr_sof, + .comp_done = vfe_isr_comp_done, + .wm_done = vfe_isr_wm_done, +}; + +const struct camss_video_ops vfe_video_ops_gen1 = { + .queue_buffer = vfe_queue_buffer, + .flush_buffers = vfe_flush_buffers, +}; diff --git a/drivers/media/platform/qcom/camss/camss-vfe-gen1.h b/drivers/media/platform/qcom/camss/camss-vfe-gen1.h new file mode 100644 index 000000000000..42e8a3333034 --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss-vfe-gen1.h @@ -0,0 +1,110 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * camss-vfe.h + * + * Qualcomm MSM Camera Subsystem - VFE (Video Front End) Module + * + * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved. + * Copyright (C) 2015-2018 Linaro Ltd. + */ +#ifndef QC_MSM_CAMSS_VFE_GEN1_H +#define QC_MSM_CAMSS_VFE_GEN1_H + + +#include "camss-vfe.h" + + +enum vfe_line_id; +struct vfe_device; +struct vfe_line; +struct vfe_output; + +struct vfe_hw_ops_gen1 { + void (*bus_connect_wm_to_rdi)(struct vfe_device *vfe, u8 wm, enum vfe_line_id id); + void (*bus_disconnect_wm_from_rdi)(struct vfe_device *vfe, u8 wm, enum vfe_line_id id); + void (*bus_enable_wr_if)(struct vfe_device *vfe, u8 enable); + void (*bus_reload_wm)(struct vfe_device *vfe, u8 wm); + int (*camif_wait_for_stop)(struct vfe_device *vfe, struct device *dev); + void (*enable_irq_common)(struct vfe_device *vfe); + void (*enable_irq_wm_line)(struct vfe_device *vfe, u8 wm, enum vfe_line_id line_id, + u8 enable); + void (*enable_irq_pix_line)(struct vfe_device *vfe, u8 comp, enum vfe_line_id line_id, + u8 enable); + u16 (*get_ub_size)(u8 vfe_id); + void (*halt_clear)(struct vfe_device *vfe); + void (*halt_request)(struct vfe_device *vfe); + void (*set_camif_cfg)(struct vfe_device *vfe, struct vfe_line *line); + void (*set_camif_cmd)(struct vfe_device *vfe, u8 enable); + void (*set_cgc_override)(struct vfe_device *vfe, u8 wm, u8 enable); + void (*set_clamp_cfg)(struct vfe_device *vfe); + void (*set_crop_cfg)(struct vfe_device *vfe, struct vfe_line *line); + void (*set_demux_cfg)(struct vfe_device *vfe, struct vfe_line *line); + void (*set_ds)(struct vfe_device *vfe); + void (*set_module_cfg)(struct vfe_device *vfe, u8 enable); + void (*set_scale_cfg)(struct vfe_device *vfe, struct vfe_line *line); + void (*set_rdi_cid)(struct vfe_device *vfe, enum vfe_line_id id, u8 cid); + void (*set_realign_cfg)(struct vfe_device *vfe, struct vfe_line *line, u8 enable); + void (*set_qos)(struct vfe_device *vfe); + void (*set_xbar_cfg)(struct vfe_device *vfe, struct vfe_output *output, u8 enable); + void (*wm_frame_based)(struct vfe_device *vfe, u8 wm, u8 enable); + void (*wm_line_based)(struct vfe_device *vfe, u32 wm, struct v4l2_pix_format_mplane *pix, + u8 plane, u32 enable); + void (*wm_set_ub_cfg)(struct vfe_device *vfe, u8 wm, u16 offset, u16 depth); + void (*wm_set_subsample)(struct vfe_device *vfe, u8 wm); + void (*wm_set_framedrop_period)(struct vfe_device *vfe, u8 wm, u8 per); + void (*wm_set_framedrop_pattern)(struct vfe_device *vfe, u8 wm, u32 pattern); + void (*wm_set_ping_addr)(struct vfe_device *vfe, u8 wm, u32 addr); + void (*wm_set_pong_addr)(struct vfe_device *vfe, u8 wm, u32 addr); + int (*wm_get_ping_pong_status)(struct vfe_device *vfe, u8 wm); + void (*wm_enable)(struct vfe_device *vfe, u8 wm, u8 enable); +}; + +/* + * vfe_calc_interp_reso - Calculate interpolation mode + * @input: Input resolution + * @output: Output resolution + * + * Return interpolation mode + */ +inline u8 vfe_calc_interp_reso(u16 input, u16 output); + +/* + * vfe_gen1_disable - Disable streaming on VFE line + * @line: VFE line + * + * Return 0 on success or a negative error code otherwise + */ +int vfe_gen1_disable(struct vfe_line *line); + + +/* + * vfe_gen1_enable - Enable VFE module + * @line: VFE line + * + * Return 0 on success + */ +int vfe_gen1_enable(struct vfe_line *line); + +/* + * vfe_gen1_enable - Halt VFE module + * @vfe: VFE device + * + * Return 0 on success + */ +int vfe_gen1_halt(struct vfe_device *vfe); + +/* + * vfe_word_per_line - Calculate number of words per frame width + * @format: V4L2 format + * @width: Frame width + * + * Return number of words per frame width + */ +int vfe_word_per_line(u32 format, u32 width); + + +extern const struct vfe_isr_ops vfe_isr_ops_gen1; +extern const struct camss_video_ops vfe_video_ops_gen1; + + +#endif /* QC_MSM_CAMSS_VFE_GEN1_H */ diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c index f50e08c4fd11..e8cf66416004 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.c +++ b/drivers/media/platform/qcom/camss/camss-vfe.c @@ -26,22 +26,8 @@ #define MSM_VFE_NAME "msm_vfe" -#define vfe_line_array(ptr_line) \ - ((const struct vfe_line (*)[]) &(ptr_line[-(ptr_line->id)])) - -#define to_vfe(ptr_line) \ - container_of(vfe_line_array(ptr_line), struct vfe_device, line) - /* VFE reset timeout */ #define VFE_RESET_TIMEOUT_MS 50 -/* VFE halt timeout */ -#define VFE_HALT_TIMEOUT_MS 100 -/* Max number of frame drop updates per frame */ -#define VFE_FRAME_DROP_UPDATES 2 -/* Frame drop value. VAL + UPDATES - 1 should not exceed 31 */ -#define VFE_FRAME_DROP_VAL 30 - -#define VFE_NEXT_SOF_MS 500 #define SCALER_RATIO_MAX 16 @@ -294,35 +280,11 @@ static int vfe_reset(struct vfe_device *vfe) return 0; } -/* - * 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) -{ - unsigned long time; - - reinit_completion(&vfe->halt_complete); - - vfe->ops->halt_request(vfe); - - time = wait_for_completion_timeout(&vfe->halt_complete, - msecs_to_jiffies(VFE_HALT_TIMEOUT_MS)); - if (!time) { - dev_err(vfe->camss->dev, "VFE halt timeout\n"); - return -EIO; - } - - return 0; -} - static void vfe_init_outputs(struct vfe_device *vfe) { int i; - for (i = 0; i < ARRAY_SIZE(vfe->line); i++) { + for (i = 0; i < vfe->line_num; i++) { struct vfe_output *output = &vfe->line[i].output; output->state = VFE_OUTPUT_OFF; @@ -340,71 +302,7 @@ static void vfe_reset_output_maps(struct vfe_device *vfe) vfe->wm_output_map[i] = VFE_LINE_NONE; } -static void vfe_output_init_addrs(struct vfe_device *vfe, - struct vfe_output *output, u8 sync) -{ - u32 ping_addr; - u32 pong_addr; - unsigned int i; - - output->active_buf = 0; - - for (i = 0; i < output->wm_num; i++) { - if (output->buf[0]) - ping_addr = output->buf[0]->addr[i]; - else - ping_addr = 0; - - if (output->buf[1]) - pong_addr = output->buf[1]->addr[i]; - else - pong_addr = ping_addr; - - vfe->ops->wm_set_ping_addr(vfe, output->wm_idx[i], ping_addr); - vfe->ops->wm_set_pong_addr(vfe, output->wm_idx[i], pong_addr); - if (sync) - vfe->ops->bus_reload_wm(vfe, output->wm_idx[i]); - } -} - -static void vfe_output_update_ping_addr(struct vfe_device *vfe, - struct vfe_output *output, u8 sync) -{ - u32 addr; - unsigned int i; - - for (i = 0; i < output->wm_num; i++) { - if (output->buf[0]) - addr = output->buf[0]->addr[i]; - else - addr = 0; - - vfe->ops->wm_set_ping_addr(vfe, output->wm_idx[i], addr); - if (sync) - vfe->ops->bus_reload_wm(vfe, output->wm_idx[i]); - } -} - -static void vfe_output_update_pong_addr(struct vfe_device *vfe, - struct vfe_output *output, u8 sync) -{ - u32 addr; - unsigned int i; - - for (i = 0; i < output->wm_num; i++) { - if (output->buf[1]) - addr = output->buf[1]->addr[i]; - else - addr = 0; - - vfe->ops->wm_set_pong_addr(vfe, output->wm_idx[i], addr); - if (sync) - vfe->ops->bus_reload_wm(vfe, output->wm_idx[i]); - } - -} - -static int vfe_reserve_wm(struct vfe_device *vfe, enum vfe_line_id line_id) +int vfe_reserve_wm(struct vfe_device *vfe, enum vfe_line_id line_id) { int ret = -EBUSY; int i; @@ -420,7 +318,7 @@ static int vfe_reserve_wm(struct vfe_device *vfe, enum vfe_line_id line_id) return ret; } -static int vfe_release_wm(struct vfe_device *vfe, u8 wm) +int vfe_release_wm(struct vfe_device *vfe, u8 wm) { if (wm >= ARRAY_SIZE(vfe->wm_output_map)) return -EINVAL; @@ -430,29 +328,7 @@ static int vfe_release_wm(struct vfe_device *vfe, u8 wm) return 0; } -static void vfe_output_frame_drop(struct vfe_device *vfe, - struct vfe_output *output, - u32 drop_pattern) -{ - u8 drop_period; - unsigned int i; - - /* We need to toggle update period to be valid on next frame */ - output->drop_update_idx++; - output->drop_update_idx %= VFE_FRAME_DROP_UPDATES; - drop_period = VFE_FRAME_DROP_VAL + output->drop_update_idx; - - for (i = 0; i < output->wm_num; i++) { - vfe->ops->wm_set_framedrop_period(vfe, output->wm_idx[i], - drop_period); - vfe->ops->wm_set_framedrop_pattern(vfe, output->wm_idx[i], - drop_pattern); - } - vfe->ops->reg_update(vfe, - container_of(output, struct vfe_line, output)->id); -} - -static struct camss_buffer *vfe_buf_get_pending(struct vfe_output *output) +struct camss_buffer *vfe_buf_get_pending(struct vfe_output *output) { struct camss_buffer *buffer = NULL; @@ -466,13 +342,8 @@ static struct camss_buffer *vfe_buf_get_pending(struct vfe_output *output) return buffer; } -/* - * vfe_buf_add_pending - Add output buffer to list of pending - * @output: VFE output - * @buffer: Video buffer - */ -static void vfe_buf_add_pending(struct vfe_output *output, - struct camss_buffer *buffer) +void vfe_buf_add_pending(struct vfe_output *output, + struct camss_buffer *buffer) { INIT_LIST_HEAD(&buffer->queue); list_add_tail(&buffer->queue, &output->pending_bufs); @@ -495,149 +366,7 @@ static void vfe_buf_flush_pending(struct vfe_output *output, } } -static void vfe_buf_update_wm_on_next(struct vfe_device *vfe, - struct vfe_output *output) -{ - switch (output->state) { - case VFE_OUTPUT_CONTINUOUS: - vfe_output_frame_drop(vfe, output, 3); - break; - case VFE_OUTPUT_SINGLE: - default: - dev_err_ratelimited(vfe->camss->dev, - "Next buf in wrong state! %d\n", - output->state); - break; - } -} - -static void vfe_buf_update_wm_on_last(struct vfe_device *vfe, - struct vfe_output *output) -{ - switch (output->state) { - case VFE_OUTPUT_CONTINUOUS: - output->state = VFE_OUTPUT_SINGLE; - vfe_output_frame_drop(vfe, output, 1); - break; - case VFE_OUTPUT_SINGLE: - output->state = VFE_OUTPUT_STOPPING; - vfe_output_frame_drop(vfe, output, 0); - break; - default: - dev_err_ratelimited(vfe->camss->dev, - "Last buff in wrong state! %d\n", - output->state); - break; - } -} - -static void vfe_buf_update_wm_on_new(struct vfe_device *vfe, - struct vfe_output *output, - struct camss_buffer *new_buf) -{ - int inactive_idx; - - switch (output->state) { - case VFE_OUTPUT_SINGLE: - inactive_idx = !output->active_buf; - - if (!output->buf[inactive_idx]) { - output->buf[inactive_idx] = new_buf; - - if (inactive_idx) - vfe_output_update_pong_addr(vfe, output, 0); - else - vfe_output_update_ping_addr(vfe, output, 0); - - vfe_output_frame_drop(vfe, output, 3); - output->state = VFE_OUTPUT_CONTINUOUS; - } else { - vfe_buf_add_pending(output, new_buf); - dev_err_ratelimited(vfe->camss->dev, - "Inactive buffer is busy\n"); - } - break; - - case VFE_OUTPUT_IDLE: - if (!output->buf[0]) { - output->buf[0] = new_buf; - - vfe_output_init_addrs(vfe, output, 1); - - vfe_output_frame_drop(vfe, output, 1); - output->state = VFE_OUTPUT_SINGLE; - } else { - vfe_buf_add_pending(output, new_buf); - dev_err_ratelimited(vfe->camss->dev, - "Output idle with buffer set!\n"); - } - break; - - case VFE_OUTPUT_CONTINUOUS: - default: - vfe_buf_add_pending(output, new_buf); - break; - } -} - -static int vfe_get_output(struct vfe_line *line) -{ - struct vfe_device *vfe = to_vfe(line); - struct vfe_output *output; - struct v4l2_format *f = &line->video_out.active_fmt; - unsigned long flags; - int i; - int wm_idx; - - spin_lock_irqsave(&vfe->output_lock, flags); - - output = &line->output; - if (output->state != VFE_OUTPUT_OFF) { - dev_err(vfe->camss->dev, "Output is running\n"); - goto error; - } - output->state = VFE_OUTPUT_RESERVED; - - output->active_buf = 0; - - switch (f->fmt.pix_mp.pixelformat) { - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV21: - case V4L2_PIX_FMT_NV16: - case V4L2_PIX_FMT_NV61: - output->wm_num = 2; - break; - default: - output->wm_num = 1; - break; - } - - for (i = 0; i < output->wm_num; i++) { - wm_idx = vfe_reserve_wm(vfe, line->id); - if (wm_idx < 0) { - dev_err(vfe->camss->dev, "Can not reserve wm\n"); - goto error_get_wm; - } - output->wm_idx[i] = wm_idx; - } - - output->drop_update_idx = 0; - - spin_unlock_irqrestore(&vfe->output_lock, flags); - - return 0; - -error_get_wm: - for (i--; i >= 0; i--) - vfe_release_wm(vfe, output->wm_idx[i]); - output->state = VFE_OUTPUT_OFF; -error: - spin_unlock_irqrestore(&vfe->output_lock, flags); - - return -EINVAL; -} - -static int vfe_put_output(struct vfe_line *line) +int vfe_put_output(struct vfe_line *line) { struct vfe_device *vfe = to_vfe(line); struct vfe_output *output = &line->output; @@ -655,454 +384,27 @@ static int vfe_put_output(struct vfe_line *line) return 0; } -static int vfe_enable_output(struct vfe_line *line) -{ - struct vfe_device *vfe = to_vfe(line); - struct vfe_output *output = &line->output; - const struct vfe_hw_ops *ops = vfe->ops; - struct media_entity *sensor; - unsigned long flags; - unsigned int frame_skip = 0; - unsigned int i; - u16 ub_size; - - ub_size = ops->get_ub_size(vfe->id); - if (!ub_size) - return -EINVAL; - - sensor = camss_find_sensor(&line->subdev.entity); - if (sensor) { - struct v4l2_subdev *subdev = - media_entity_to_v4l2_subdev(sensor); - - v4l2_subdev_call(subdev, sensor, g_skip_frames, &frame_skip); - /* Max frame skip is 29 frames */ - if (frame_skip > VFE_FRAME_DROP_VAL - 1) - frame_skip = VFE_FRAME_DROP_VAL - 1; - } - - spin_lock_irqsave(&vfe->output_lock, flags); - - ops->reg_update_clear(vfe, line->id); - - if (output->state != VFE_OUTPUT_RESERVED) { - dev_err(vfe->camss->dev, "Output is not in reserved state %d\n", - output->state); - spin_unlock_irqrestore(&vfe->output_lock, flags); - return -EINVAL; - } - output->state = VFE_OUTPUT_IDLE; - - output->buf[0] = vfe_buf_get_pending(output); - output->buf[1] = vfe_buf_get_pending(output); - - if (!output->buf[0] && output->buf[1]) { - output->buf[0] = output->buf[1]; - output->buf[1] = NULL; - } - - if (output->buf[0]) - output->state = VFE_OUTPUT_SINGLE; - - if (output->buf[1]) - output->state = VFE_OUTPUT_CONTINUOUS; - - switch (output->state) { - case VFE_OUTPUT_SINGLE: - vfe_output_frame_drop(vfe, output, 1 << frame_skip); - break; - case VFE_OUTPUT_CONTINUOUS: - vfe_output_frame_drop(vfe, output, 3 << frame_skip); - break; - default: - vfe_output_frame_drop(vfe, output, 0); - break; - } - - output->sequence = 0; - output->wait_sof = 0; - output->wait_reg_update = 0; - reinit_completion(&output->sof); - reinit_completion(&output->reg_update); - - vfe_output_init_addrs(vfe, output, 0); - - if (line->id != VFE_LINE_PIX) { - ops->set_cgc_override(vfe, output->wm_idx[0], 1); - ops->enable_irq_wm_line(vfe, output->wm_idx[0], line->id, 1); - ops->bus_connect_wm_to_rdi(vfe, output->wm_idx[0], line->id); - ops->wm_set_subsample(vfe, output->wm_idx[0]); - ops->set_rdi_cid(vfe, line->id, 0); - ops->wm_set_ub_cfg(vfe, output->wm_idx[0], - (ub_size + 1) * output->wm_idx[0], ub_size); - ops->wm_frame_based(vfe, output->wm_idx[0], 1); - ops->wm_enable(vfe, output->wm_idx[0], 1); - ops->bus_reload_wm(vfe, output->wm_idx[0]); - } else { - ub_size /= output->wm_num; - for (i = 0; i < output->wm_num; i++) { - ops->set_cgc_override(vfe, output->wm_idx[i], 1); - ops->wm_set_subsample(vfe, output->wm_idx[i]); - ops->wm_set_ub_cfg(vfe, output->wm_idx[i], - (ub_size + 1) * output->wm_idx[i], - ub_size); - ops->wm_line_based(vfe, output->wm_idx[i], - &line->video_out.active_fmt.fmt.pix_mp, - i, 1); - ops->wm_enable(vfe, output->wm_idx[i], 1); - ops->bus_reload_wm(vfe, output->wm_idx[i]); - } - ops->enable_irq_pix_line(vfe, 0, line->id, 1); - ops->set_module_cfg(vfe, 1); - ops->set_camif_cfg(vfe, line); - ops->set_realign_cfg(vfe, line, 1); - ops->set_xbar_cfg(vfe, output, 1); - ops->set_demux_cfg(vfe, line); - ops->set_scale_cfg(vfe, line); - ops->set_crop_cfg(vfe, line); - ops->set_clamp_cfg(vfe); - ops->set_camif_cmd(vfe, 1); - } - - ops->reg_update(vfe, line->id); - - spin_unlock_irqrestore(&vfe->output_lock, flags); - - return 0; -} - -static int vfe_disable_output(struct vfe_line *line) -{ - struct vfe_device *vfe = to_vfe(line); - struct vfe_output *output = &line->output; - const struct vfe_hw_ops *ops = vfe->ops; - unsigned long flags; - unsigned long time; - unsigned int i; - - spin_lock_irqsave(&vfe->output_lock, flags); - - output->wait_sof = 1; - spin_unlock_irqrestore(&vfe->output_lock, flags); - - time = wait_for_completion_timeout(&output->sof, - msecs_to_jiffies(VFE_NEXT_SOF_MS)); - if (!time) - dev_err(vfe->camss->dev, "VFE sof timeout\n"); - - spin_lock_irqsave(&vfe->output_lock, flags); - for (i = 0; i < output->wm_num; i++) - ops->wm_enable(vfe, output->wm_idx[i], 0); - - ops->reg_update(vfe, line->id); - output->wait_reg_update = 1; - spin_unlock_irqrestore(&vfe->output_lock, flags); - - time = wait_for_completion_timeout(&output->reg_update, - msecs_to_jiffies(VFE_NEXT_SOF_MS)); - if (!time) - dev_err(vfe->camss->dev, "VFE reg update timeout\n"); - - spin_lock_irqsave(&vfe->output_lock, flags); - - if (line->id != VFE_LINE_PIX) { - ops->wm_frame_based(vfe, output->wm_idx[0], 0); - ops->bus_disconnect_wm_from_rdi(vfe, output->wm_idx[0], - line->id); - ops->enable_irq_wm_line(vfe, output->wm_idx[0], line->id, 0); - ops->set_cgc_override(vfe, output->wm_idx[0], 0); - spin_unlock_irqrestore(&vfe->output_lock, flags); - } else { - for (i = 0; i < output->wm_num; i++) { - ops->wm_line_based(vfe, output->wm_idx[i], NULL, i, 0); - ops->set_cgc_override(vfe, output->wm_idx[i], 0); - } - - ops->enable_irq_pix_line(vfe, 0, line->id, 0); - ops->set_module_cfg(vfe, 0); - ops->set_realign_cfg(vfe, line, 0); - ops->set_xbar_cfg(vfe, output, 0); - - ops->set_camif_cmd(vfe, 0); - spin_unlock_irqrestore(&vfe->output_lock, flags); - - ops->camif_wait_for_stop(vfe, vfe->camss->dev); - } - - return 0; -} - -/* - * vfe_enable - Enable streaming on VFE line - * @line: VFE line - * - * Return 0 on success or a negative error code otherwise - */ -static int vfe_enable(struct vfe_line *line) -{ - struct vfe_device *vfe = to_vfe(line); - int ret; - - mutex_lock(&vfe->stream_lock); - - if (!vfe->stream_count) { - vfe->ops->enable_irq_common(vfe); - - vfe->ops->bus_enable_wr_if(vfe, 1); - - vfe->ops->set_qos(vfe); - - vfe->ops->set_ds(vfe); - } - - vfe->stream_count++; - - mutex_unlock(&vfe->stream_lock); - - ret = vfe_get_output(line); - if (ret < 0) - goto error_get_output; - - ret = vfe_enable_output(line); - if (ret < 0) - goto error_enable_output; - - vfe->was_streaming = 1; - - return 0; - - -error_enable_output: - vfe_put_output(line); - -error_get_output: - mutex_lock(&vfe->stream_lock); - - if (vfe->stream_count == 1) - vfe->ops->bus_enable_wr_if(vfe, 0); - - vfe->stream_count--; - - mutex_unlock(&vfe->stream_lock); - - return ret; -} - -/* - * vfe_disable - Disable streaming on VFE line - * @line: VFE line - * - * Return 0 on success or a negative error code otherwise - */ -static int vfe_disable(struct vfe_line *line) -{ - struct vfe_device *vfe = to_vfe(line); - - vfe_disable_output(line); - - vfe_put_output(line); - - mutex_lock(&vfe->stream_lock); - - if (vfe->stream_count == 1) - vfe->ops->bus_enable_wr_if(vfe, 0); - - vfe->stream_count--; - - mutex_unlock(&vfe->stream_lock); - - return 0; -} - -/* - * vfe_isr_sof - Process start of frame interrupt - * @vfe: VFE Device - * @line_id: VFE line - */ -static void vfe_isr_sof(struct vfe_device *vfe, enum vfe_line_id line_id) -{ - struct vfe_output *output; - unsigned long flags; - - spin_lock_irqsave(&vfe->output_lock, flags); - output = &vfe->line[line_id].output; - if (output->wait_sof) { - output->wait_sof = 0; - complete(&output->sof); - } - spin_unlock_irqrestore(&vfe->output_lock, flags); -} - -/* - * vfe_isr_reg_update - Process reg update interrupt - * @vfe: VFE Device - * @line_id: VFE line - */ -static void vfe_isr_reg_update(struct vfe_device *vfe, enum vfe_line_id line_id) -{ - struct vfe_output *output; - unsigned long flags; - - spin_lock_irqsave(&vfe->output_lock, flags); - vfe->ops->reg_update_clear(vfe, line_id); - - output = &vfe->line[line_id].output; - - if (output->wait_reg_update) { - output->wait_reg_update = 0; - complete(&output->reg_update); - spin_unlock_irqrestore(&vfe->output_lock, flags); - return; - } - - if (output->state == VFE_OUTPUT_STOPPING) { - /* Release last buffer when hw is idle */ - if (output->last_buffer) { - vb2_buffer_done(&output->last_buffer->vb.vb2_buf, - VB2_BUF_STATE_DONE); - output->last_buffer = NULL; - } - output->state = VFE_OUTPUT_IDLE; - - /* Buffers received in stopping state are queued in */ - /* dma pending queue, start next capture here */ - - output->buf[0] = vfe_buf_get_pending(output); - output->buf[1] = vfe_buf_get_pending(output); - - if (!output->buf[0] && output->buf[1]) { - output->buf[0] = output->buf[1]; - output->buf[1] = NULL; - } - - if (output->buf[0]) - output->state = VFE_OUTPUT_SINGLE; - - if (output->buf[1]) - output->state = VFE_OUTPUT_CONTINUOUS; - - switch (output->state) { - case VFE_OUTPUT_SINGLE: - vfe_output_frame_drop(vfe, output, 2); - break; - case VFE_OUTPUT_CONTINUOUS: - vfe_output_frame_drop(vfe, output, 3); - break; - default: - vfe_output_frame_drop(vfe, output, 0); - break; - } - - vfe_output_init_addrs(vfe, output, 1); - } - - spin_unlock_irqrestore(&vfe->output_lock, flags); -} - -/* - * vfe_isr_wm_done - Process write master done interrupt - * @vfe: VFE Device - * @wm: Write master id - */ -static void vfe_isr_wm_done(struct vfe_device *vfe, u8 wm) -{ - struct camss_buffer *ready_buf; - struct vfe_output *output; - dma_addr_t *new_addr; - unsigned long flags; - u32 active_index; - u64 ts = ktime_get_ns(); - unsigned int i; - - active_index = vfe->ops->wm_get_ping_pong_status(vfe, wm); - - spin_lock_irqsave(&vfe->output_lock, flags); - - if (vfe->wm_output_map[wm] == VFE_LINE_NONE) { - dev_err_ratelimited(vfe->camss->dev, - "Received wm done for unmapped index\n"); - goto out_unlock; - } - output = &vfe->line[vfe->wm_output_map[wm]].output; - - if (output->active_buf == active_index) { - dev_err_ratelimited(vfe->camss->dev, - "Active buffer mismatch!\n"); - goto out_unlock; - } - output->active_buf = active_index; - - ready_buf = output->buf[!active_index]; - if (!ready_buf) { - dev_err_ratelimited(vfe->camss->dev, - "Missing ready buf %d %d!\n", - !active_index, output->state); - goto out_unlock; - } - - ready_buf->vb.vb2_buf.timestamp = ts; - ready_buf->vb.sequence = output->sequence++; - - /* Get next buffer */ - output->buf[!active_index] = vfe_buf_get_pending(output); - if (!output->buf[!active_index]) { - /* No next buffer - set same address */ - new_addr = ready_buf->addr; - vfe_buf_update_wm_on_last(vfe, output); - } else { - new_addr = output->buf[!active_index]->addr; - vfe_buf_update_wm_on_next(vfe, output); - } - - if (active_index) - for (i = 0; i < output->wm_num; i++) - vfe->ops->wm_set_ping_addr(vfe, output->wm_idx[i], - new_addr[i]); - else - for (i = 0; i < output->wm_num; i++) - vfe->ops->wm_set_pong_addr(vfe, output->wm_idx[i], - new_addr[i]); - - spin_unlock_irqrestore(&vfe->output_lock, flags); - - if (output->state == VFE_OUTPUT_STOPPING) - output->last_buffer = ready_buf; - else - vb2_buffer_done(&ready_buf->vb.vb2_buf, VB2_BUF_STATE_DONE); - - return; - -out_unlock: - spin_unlock_irqrestore(&vfe->output_lock, flags); -} - /** * vfe_isr_comp_done() - Process composite image done interrupt * @vfe: VFE Device * @comp: Composite image id */ -static void vfe_isr_comp_done(struct vfe_device *vfe, u8 comp) +void vfe_isr_comp_done(struct vfe_device *vfe, u8 comp) { unsigned int i; for (i = 0; i < ARRAY_SIZE(vfe->wm_output_map); i++) if (vfe->wm_output_map[i] == VFE_LINE_PIX) { - vfe_isr_wm_done(vfe, i); + vfe->isr_ops.wm_done(vfe, i); break; } } -static inline void vfe_isr_reset_ack(struct vfe_device *vfe) +void vfe_isr_reset_ack(struct vfe_device *vfe) { complete(&vfe->reset_complete); } -static inline void vfe_isr_halt_ack(struct vfe_device *vfe) -{ - complete(&vfe->halt_complete); - vfe->ops->halt_clear(vfe); -} - /* * vfe_set_clock_rates - Calculate and set clock rates on VFE module * @vfe: VFE device @@ -1112,11 +414,11 @@ static inline void vfe_isr_halt_ack(struct vfe_device *vfe) static int vfe_set_clock_rates(struct vfe_device *vfe) { struct device *dev = vfe->camss->dev; - u64 pixel_clock[MSM_VFE_LINE_NUM]; + u64 pixel_clock[VFE_LINE_NUM_MAX]; int i, j; int ret; - for (i = VFE_LINE_RDI0; i <= VFE_LINE_PIX; i++) { + for (i = VFE_LINE_RDI0; i < vfe->line_num; i++) { ret = camss_get_pixel_clock(&vfe->line[i].subdev.entity, &pixel_clock[i]); if (ret) @@ -1131,7 +433,7 @@ static int vfe_set_clock_rates(struct vfe_device *vfe) u64 min_rate = 0; long rate; - for (j = VFE_LINE_RDI0; j <= VFE_LINE_PIX; j++) { + for (j = VFE_LINE_RDI0; j < vfe->line_num; j++) { u32 tmp; u8 bpp; @@ -1194,11 +496,11 @@ static int vfe_set_clock_rates(struct vfe_device *vfe) */ static int vfe_check_clock_rates(struct vfe_device *vfe) { - u64 pixel_clock[MSM_VFE_LINE_NUM]; + u64 pixel_clock[VFE_LINE_NUM_MAX]; int i, j; int ret; - for (i = VFE_LINE_RDI0; i <= VFE_LINE_PIX; i++) { + for (i = VFE_LINE_RDI0; i < vfe->line_num; i++) { ret = camss_get_pixel_clock(&vfe->line[i].subdev.entity, &pixel_clock[i]); if (ret) @@ -1213,7 +515,7 @@ static int vfe_check_clock_rates(struct vfe_device *vfe) u64 min_rate = 0; unsigned long rate; - for (j = VFE_LINE_RDI0; j <= VFE_LINE_PIX; j++) { + for (j = VFE_LINE_RDI0; j < vfe->line_num; j++) { u32 tmp; u8 bpp; @@ -1318,7 +620,7 @@ static void vfe_put(struct vfe_device *vfe) } else if (vfe->power_count == 1) { if (vfe->was_streaming) { vfe->was_streaming = 0; - vfe_halt(vfe); + vfe->ops->vfe_halt(vfe); } camss_disable_clocks(vfe->nclocks, vfe->clock); pm_runtime_put_sync(vfe->camss->dev); @@ -1331,35 +633,6 @@ static void vfe_put(struct vfe_device *vfe) mutex_unlock(&vfe->power_lock); } -/* - * vfe_queue_buffer - Add empty buffer - * @vid: Video device structure - * @buf: Buffer to be enqueued - * - * Add an empty buffer - depending on the current number of buffers it will be - * put in pending buffer queue or directly given to the hardware to be filled. - * - * Return 0 on success or a negative error code otherwise - */ -static int vfe_queue_buffer(struct camss_video *vid, - struct camss_buffer *buf) -{ - struct vfe_line *line = container_of(vid, struct vfe_line, video_out); - struct vfe_device *vfe = to_vfe(line); - struct vfe_output *output; - unsigned long flags; - - output = &line->output; - - spin_lock_irqsave(&vfe->output_lock, flags); - - vfe_buf_update_wm_on_new(vfe, output, buf); - - spin_unlock_irqrestore(&vfe->output_lock, flags); - - return 0; -} - /* * vfe_flush_buffers - Return all vb2 buffers * @vid: Video device structure @@ -1370,8 +643,8 @@ static int vfe_queue_buffer(struct camss_video *vid, * * Return 0 on success or a negative error code otherwise */ -static int vfe_flush_buffers(struct camss_video *vid, - enum vb2_buffer_state state) +int vfe_flush_buffers(struct camss_video *vid, + enum vb2_buffer_state state) { struct vfe_line *line = container_of(vid, struct vfe_line, video_out); struct vfe_device *vfe = to_vfe(line); @@ -1442,12 +715,12 @@ static int vfe_set_stream(struct v4l2_subdev *sd, int enable) int ret; if (enable) { - ret = vfe_enable(line); + ret = vfe->ops->vfe_enable(line); if (ret < 0) dev_err(vfe->camss->dev, "Failed to enable vfe outputs\n"); } else { - ret = vfe_disable(line); + ret = vfe->ops->vfe_disable(line); if (ret < 0) dev_err(vfe->camss->dev, "Failed to disable vfe outputs\n"); @@ -1985,13 +1258,6 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe, int i, j; int ret; - vfe->isr_ops.reset_ack = vfe_isr_reset_ack; - vfe->isr_ops.halt_ack = vfe_isr_halt_ack; - vfe->isr_ops.reg_update = vfe_isr_reg_update; - vfe->isr_ops.sof = vfe_isr_sof; - vfe->isr_ops.comp_done = vfe_isr_comp_done; - vfe->isr_ops.wm_done = vfe_isr_wm_done; - switch (camss->version) { case CAMSS_8x16: vfe->ops = &vfe_ops_4_1; @@ -2005,6 +1271,7 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe, default: return -EINVAL; } + vfe->ops->subdev_init(dev, vfe); /* Memory */ @@ -2086,7 +1353,7 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe, vfe->id = id; vfe->reg_update = 0; - for (i = VFE_LINE_RDI0; i <= VFE_LINE_PIX; i++) { + for (i = VFE_LINE_RDI0; i < vfe->line_num; i++) { struct vfe_line *l = &vfe->line[i]; l->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; @@ -2209,11 +1476,6 @@ static const struct media_entity_operations vfe_media_ops = { .link_validate = v4l2_subdev_link_validate, }; -static const struct camss_video_ops camss_vfe_video_ops = { - .queue_buffer = vfe_queue_buffer, - .flush_buffers = vfe_flush_buffers, -}; - /* * msm_vfe_register_entities - Register subdev node for VFE module * @vfe: VFE device @@ -2236,7 +1498,7 @@ int msm_vfe_register_entities(struct vfe_device *vfe, int ret; int i; - for (i = 0; i < ARRAY_SIZE(vfe->line); i++) { + for (i = 0; i < vfe->line_num; i++) { char name[32]; sd = &vfe->line[i].subdev; @@ -2279,7 +1541,7 @@ int msm_vfe_register_entities(struct vfe_device *vfe, goto error_reg_subdev; } - video_out->ops = &camss_vfe_video_ops; + video_out->ops = &vfe->video_ops; video_out->bpl_alignment = 8; video_out->line_based = 0; if (i == VFE_LINE_PIX) { @@ -2343,7 +1605,7 @@ void msm_vfe_unregister_entities(struct vfe_device *vfe) mutex_destroy(&vfe->power_lock); mutex_destroy(&vfe->stream_lock); - for (i = 0; i < ARRAY_SIZE(vfe->line); i++) { + for (i = 0; i < vfe->line_num; i++) { struct v4l2_subdev *sd = &vfe->line[i].subdev; struct camss_video *video_out = &vfe->line[i].video_out; diff --git a/drivers/media/platform/qcom/camss/camss-vfe.h b/drivers/media/platform/qcom/camss/camss-vfe.h index 5bce6736e4bb..aad5dc74c2c0 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.h +++ b/drivers/media/platform/qcom/camss/camss-vfe.h @@ -17,15 +17,28 @@ #include <media/v4l2-subdev.h> #include "camss-video.h" +#include "camss-vfe-gen1.h" + #define MSM_VFE_PAD_SINK 0 #define MSM_VFE_PAD_SRC 1 #define MSM_VFE_PADS_NUM 2 -#define MSM_VFE_LINE_NUM 4 #define MSM_VFE_IMAGE_MASTERS_NUM 7 #define MSM_VFE_COMPOSITE_IRQ_NUM 4 +/* VFE halt timeout */ +#define VFE_HALT_TIMEOUT_MS 100 +/* Frame drop value. VAL + UPDATES - 1 should not exceed 31 */ +#define VFE_FRAME_DROP_VAL 30 + +#define vfe_line_array(ptr_line) \ + ((const struct vfe_line (*)[]) &(ptr_line[-(ptr_line->id)])) + +#define to_vfe(ptr_line) \ + container_of(vfe_line_array(ptr_line), struct vfe_device, line) + + enum vfe_output_state { VFE_OUTPUT_OFF, VFE_OUTPUT_RESERVED, @@ -40,23 +53,30 @@ enum vfe_line_id { VFE_LINE_RDI0 = 0, VFE_LINE_RDI1 = 1, VFE_LINE_RDI2 = 2, - VFE_LINE_PIX = 3 + VFE_LINE_PIX = 3, + VFE_LINE_NUM_GEN1 = 4, + VFE_LINE_NUM_MAX = 4 }; struct vfe_output { u8 wm_num; u8 wm_idx[3]; - int active_buf; struct camss_buffer *buf[2]; struct camss_buffer *last_buffer; struct list_head pending_bufs; unsigned int drop_update_idx; + union { + struct { + int active_buf; + int wait_sof; + } gen1; + }; enum vfe_output_state state; unsigned int sequence; - int wait_sof; + int wait_reg_update; struct completion sof; struct completion reg_update; @@ -78,59 +98,19 @@ struct vfe_line { struct vfe_device; struct vfe_hw_ops { - void (*hw_version_read)(struct vfe_device *vfe, struct device *dev); - u16 (*get_ub_size)(u8 vfe_id); + void (*enable_irq_common)(struct vfe_device *vfe); void (*global_reset)(struct vfe_device *vfe); - void (*halt_request)(struct vfe_device *vfe); - void (*halt_clear)(struct vfe_device *vfe); - void (*wm_enable)(struct vfe_device *vfe, u8 wm, u8 enable); - void (*wm_frame_based)(struct vfe_device *vfe, u8 wm, u8 enable); - void (*wm_line_based)(struct vfe_device *vfe, u32 wm, - struct v4l2_pix_format_mplane *pix, - u8 plane, u32 enable); - void (*wm_set_framedrop_period)(struct vfe_device *vfe, u8 wm, u8 per); - void (*wm_set_framedrop_pattern)(struct vfe_device *vfe, u8 wm, - u32 pattern); - void (*wm_set_ub_cfg)(struct vfe_device *vfe, u8 wm, u16 offset, - u16 depth); - void (*bus_reload_wm)(struct vfe_device *vfe, u8 wm); - void (*wm_set_ping_addr)(struct vfe_device *vfe, u8 wm, u32 addr); - void (*wm_set_pong_addr)(struct vfe_device *vfe, u8 wm, u32 addr); - int (*wm_get_ping_pong_status)(struct vfe_device *vfe, u8 wm); - void (*bus_enable_wr_if)(struct vfe_device *vfe, u8 enable); - void (*bus_connect_wm_to_rdi)(struct vfe_device *vfe, u8 wm, - enum vfe_line_id id); - void (*wm_set_subsample)(struct vfe_device *vfe, u8 wm); - void (*bus_disconnect_wm_from_rdi)(struct vfe_device *vfe, u8 wm, - enum vfe_line_id id); - void (*set_xbar_cfg)(struct vfe_device *vfe, struct vfe_output *output, - u8 enable); - void (*set_rdi_cid)(struct vfe_device *vfe, enum vfe_line_id id, - u8 cid); - void (*set_realign_cfg)(struct vfe_device *vfe, struct vfe_line *line, - u8 enable); + void (*hw_version_read)(struct vfe_device *vfe, struct device *dev); + irqreturn_t (*isr)(int irq, void *dev); + void (*isr_read)(struct vfe_device *vfe, u32 *value0, u32 *value1); void (*reg_update)(struct vfe_device *vfe, enum vfe_line_id line_id); void (*reg_update_clear)(struct vfe_device *vfe, enum vfe_line_id line_id); - void (*enable_irq_wm_line)(struct vfe_device *vfe, u8 wm, - enum vfe_line_id line_id, u8 enable); - void (*enable_irq_pix_line)(struct vfe_device *vfe, u8 comp, - enum vfe_line_id line_id, u8 enable); - void (*enable_irq_common)(struct vfe_device *vfe); - void (*set_demux_cfg)(struct vfe_device *vfe, struct vfe_line *line); - void (*set_scale_cfg)(struct vfe_device *vfe, struct vfe_line *line); - void (*set_crop_cfg)(struct vfe_device *vfe, struct vfe_line *line); - void (*set_clamp_cfg)(struct vfe_device *vfe); - void (*set_qos)(struct vfe_device *vfe); - void (*set_ds)(struct vfe_device *vfe); - void (*set_cgc_override)(struct vfe_device *vfe, u8 wm, u8 enable); - void (*set_camif_cfg)(struct vfe_device *vfe, struct vfe_line *line); - void (*set_camif_cmd)(struct vfe_device *vfe, u8 enable); - void (*set_module_cfg)(struct vfe_device *vfe, u8 enable); - int (*camif_wait_for_stop)(struct vfe_device *vfe, struct device *dev); - void (*isr_read)(struct vfe_device *vfe, u32 *value0, u32 *value1); + void (*subdev_init)(struct device *dev, struct vfe_device *vfe); + int (*vfe_disable)(struct vfe_line *line); + int (*vfe_enable)(struct vfe_line *line); + int (*vfe_halt)(struct vfe_device *vfe); void (*violation_read)(struct vfe_device *vfe); - irqreturn_t (*isr)(int irq, void *dev); }; struct vfe_isr_ops { @@ -158,11 +138,14 @@ struct vfe_device { int stream_count; spinlock_t output_lock; enum vfe_line_id wm_output_map[MSM_VFE_IMAGE_MASTERS_NUM]; - struct vfe_line line[MSM_VFE_LINE_NUM]; + struct vfe_line line[VFE_LINE_NUM_MAX]; + u8 line_num; u32 reg_update; u8 was_streaming; const struct vfe_hw_ops *ops; + const struct vfe_hw_ops_gen1 *ops_gen1; struct vfe_isr_ops isr_ops; + struct camss_video_ops video_ops; }; struct resources; @@ -178,6 +161,38 @@ void msm_vfe_unregister_entities(struct vfe_device *vfe); void msm_vfe_get_vfe_id(struct media_entity *entity, u8 *id); void msm_vfe_get_vfe_line_id(struct media_entity *entity, enum vfe_line_id *id); + +/* + * vfe_buf_add_pending - Add output buffer to list of pending + * @output: VFE output + * @buffer: Video buffer + */ +void vfe_buf_add_pending(struct vfe_output *output, struct camss_buffer *buffer); + +struct camss_buffer *vfe_buf_get_pending(struct vfe_output *output); + +/* + * vfe_disable - Disable streaming on VFE line + * @line: VFE line + * + * Return 0 on success or a negative error code otherwise + */ +int vfe_disable(struct vfe_line *line); + +int vfe_flush_buffers(struct camss_video *vid, enum vb2_buffer_state state); + +/* + * vfe_isr_comp_done - Process composite image done interrupt + * @vfe: VFE Device + * @comp: Composite image id + */ +void vfe_isr_comp_done(struct vfe_device *vfe, u8 comp); + +void vfe_isr_reset_ack(struct vfe_device *vfe); +int vfe_put_output(struct vfe_line *line); +int vfe_release_wm(struct vfe_device *vfe, u8 wm); +int vfe_reserve_wm(struct vfe_device *vfe, enum vfe_line_id line_id); + extern const struct vfe_hw_ops vfe_ops_4_1; extern const struct vfe_hw_ops vfe_ops_4_7; extern const struct vfe_hw_ops vfe_ops_4_8; diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index c8d1735e9d80..36c51fbb5798 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -881,7 +881,7 @@ static int camss_register_entities(struct camss *camss) for (i = 0; i < camss->ispif->line_num; i++) for (k = 0; k < camss->vfe_num; k++) - for (j = 0; j < ARRAY_SIZE(camss->vfe[k].line); j++) { + for (j = 0; j < camss->vfe[k].line_num; j++) { ret = media_create_pad_link( &camss->ispif->line[i].subdev.entity, MSM_ISPIF_PAD_SRC, @@ -900,7 +900,7 @@ static int camss_register_entities(struct camss *camss) } else { for (i = 0; i < camss->csid_num; i++) for (k = 0; k < camss->vfe_num; k++) - for (j = 0; j < ARRAY_SIZE(camss->vfe[k].line); j++) { + for (j = 0; j < camss->vfe[k].line_num; j++) { ret = media_create_pad_link( &camss->csid[i].subdev.entity, MSM_CSID_PAD_SRC,

[v7,06/22] media: camss: Refactor VFE HW version support

Commit Message

Patch