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DRM master driver for JH7110 SoC ADD DMA GEM driver Signed-off-by: keith --- drivers/gpu/drm/verisilicon/Makefile | 3 +- drivers/gpu/drm/verisilicon/vs_drv.c | 718 +++++++++++++++++++++++++++ 2 files changed, 720 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/verisilicon/vs_drv.c diff --git a/drivers/gpu/drm/verisilicon/Makefile b/drivers/gpu/drm/verisilicon/Makefile index 26a43ca0fd36..88a07a308e31 100644 --- a/drivers/gpu/drm/verisilicon/Makefile +++ b/drivers/gpu/drm/verisilicon/Makefile @@ -3,6 +3,7 @@ vs_drm-objs := vs_dc_hw.o \ vs_modeset.o \ vs_plane.o \ - vs_crtc.o + vs_crtc.o \ + vs_drv.o obj-$(CONFIG_DRM_VERISILICON_DC8200) += vs_drm.o diff --git a/drivers/gpu/drm/verisilicon/vs_drv.c b/drivers/gpu/drm/verisilicon/vs_drv.c new file mode 100644 index 000000000000..c22fd2199fe2 --- /dev/null +++ b/drivers/gpu/drm/verisilicon/vs_drv.c @@ -0,0 +1,718 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd. + */ +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "vs_drv.h" +#include "vs_crtc.h" +#include "vs_plane.h" +#include "vs_modeset.h" + +#define DRV_NAME "verisilicon" +#define DRV_DESC "Verisilicon DRM driver" +#define DRV_DATE "20230516" +#define DRV_MAJOR 1 +#define DRV_MINOR 0 + +#define FRAC_16_16(mult, div) (((mult) << 16) / (div)) + +static const u32 primary_overlay_format[] = { + DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_RGBX8888, + DRM_FORMAT_BGRX8888, + DRM_FORMAT_ARGB8888, + DRM_FORMAT_ABGR8888, + DRM_FORMAT_RGBA8888, + DRM_FORMAT_BGRA8888, + DRM_FORMAT_XRGB4444, + DRM_FORMAT_XBGR4444, + DRM_FORMAT_RGBX4444, + DRM_FORMAT_BGRX4444, + DRM_FORMAT_ARGB4444, + DRM_FORMAT_ABGR4444, + DRM_FORMAT_RGBA4444, + DRM_FORMAT_BGRA4444, + DRM_FORMAT_XRGB1555, + DRM_FORMAT_XBGR1555, + DRM_FORMAT_RGBX5551, + DRM_FORMAT_BGRX5551, + DRM_FORMAT_ARGB1555, + DRM_FORMAT_ABGR1555, + DRM_FORMAT_RGBA5551, + DRM_FORMAT_BGRA5551, + DRM_FORMAT_ARGB2101010, + DRM_FORMAT_ABGR2101010, + DRM_FORMAT_RGBA1010102, + DRM_FORMAT_BGRA1010102, + DRM_FORMAT_YUYV, + DRM_FORMAT_YVYU, + DRM_FORMAT_UYVY, + DRM_FORMAT_VYUY, + DRM_FORMAT_YVU420, + DRM_FORMAT_YUV420, + DRM_FORMAT_NV12, + DRM_FORMAT_NV21, + DRM_FORMAT_NV16, + DRM_FORMAT_NV61, + DRM_FORMAT_P010, +}; + +static const u32 cursor_formats[] = { + DRM_FORMAT_ARGB8888 +}; + +static const u64 format_modifier[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID +}; + +static const u64 secondary_format_modifiers[] = { + DRM_FORMAT_MOD_LINEAR, + DRM_FORMAT_MOD_INVALID +}; + +static const struct vs_plane_primary_info dc_hw_planes_primary[2] = { + { + .id = PRIMARY_PLANE_0, + .num_formats = ARRAY_SIZE(primary_overlay_format), + .formats = primary_overlay_format, + .num_modifiers = ARRAY_SIZE(format_modifier), + .modifiers = format_modifier, + .min_width = 0, + .min_height = 0, + .max_width = 4096, + .max_height = 4096, + .min_scale = FRAC_16_16(1, 3), + .max_scale = FRAC_16_16(10, 1), + .rotation = DRM_MODE_ROTATE_0 | + DRM_MODE_ROTATE_90 | + DRM_MODE_ROTATE_180 | + DRM_MODE_ROTATE_270 | + DRM_MODE_REFLECT_X | + DRM_MODE_REFLECT_Y, + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) | BIT(DRM_COLOR_YCBCR_BT2020), + .zpos = 0, + }, + { + .id = PRIMARY_PLANE_1, + .num_formats = ARRAY_SIZE(primary_overlay_format), + .formats = primary_overlay_format, + .num_modifiers = ARRAY_SIZE(format_modifier), + .modifiers = format_modifier, + .min_width = 0, + .min_height = 0, + .max_width = 4096, + .max_height = 4096, + .min_scale = FRAC_16_16(1, 3), + .max_scale = FRAC_16_16(10, 1), + .rotation = DRM_MODE_ROTATE_0 | + DRM_MODE_ROTATE_90 | + DRM_MODE_ROTATE_180 | + DRM_MODE_ROTATE_270 | + DRM_MODE_REFLECT_X | + DRM_MODE_REFLECT_Y, + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) | BIT(DRM_COLOR_YCBCR_BT2020), + .zpos = 3, + }, +}; + +static const struct vs_plane_overlay_info dc_hw_planes_overlay[4] = { + { + .id = OVERLAY_PLANE_0, + .num_formats = ARRAY_SIZE(primary_overlay_format), + .formats = primary_overlay_format, + .num_modifiers = ARRAY_SIZE(format_modifier), + .modifiers = format_modifier, + .min_width = 0, + .min_height = 0, + .max_width = 4096, + .max_height = 4096, + .min_scale = FRAC_16_16(1, 3), + .max_scale = FRAC_16_16(10, 1), + .rotation = DRM_MODE_ROTATE_0 | + DRM_MODE_ROTATE_90 | + DRM_MODE_ROTATE_180 | + DRM_MODE_ROTATE_270 | + DRM_MODE_REFLECT_X | + DRM_MODE_REFLECT_Y, + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) | BIT(DRM_COLOR_YCBCR_BT2020), + .zpos = 1, + }, + { + .id = OVERLAY_PLANE_1, + .num_formats = ARRAY_SIZE(primary_overlay_format), + .formats = primary_overlay_format, + .num_modifiers = ARRAY_SIZE(secondary_format_modifiers), + .modifiers = secondary_format_modifiers, + .min_width = 0, + .min_height = 0, + .max_width = 4096, + .max_height = 4096, + .min_scale = DRM_PLANE_NO_SCALING, + .max_scale = DRM_PLANE_NO_SCALING, + .rotation = 0, + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) | BIT(DRM_COLOR_YCBCR_BT2020), + .zpos = 2, + }, + { + .id = OVERLAY_PLANE_2, + .num_formats = ARRAY_SIZE(primary_overlay_format), + .formats = primary_overlay_format, + .num_modifiers = ARRAY_SIZE(format_modifier), + .modifiers = format_modifier, + .min_width = 0, + .min_height = 0, + .max_width = 4096, + .max_height = 4096, + .min_scale = FRAC_16_16(1, 3), + .max_scale = FRAC_16_16(10, 1), + .rotation = DRM_MODE_ROTATE_0 | + DRM_MODE_ROTATE_90 | + DRM_MODE_ROTATE_180 | + DRM_MODE_ROTATE_270 | + DRM_MODE_REFLECT_X | + DRM_MODE_REFLECT_Y, + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) | BIT(DRM_COLOR_YCBCR_BT2020), + .zpos = 4, + }, + { + .id = OVERLAY_PLANE_3, + .num_formats = ARRAY_SIZE(primary_overlay_format), + .formats = primary_overlay_format, + .num_modifiers = ARRAY_SIZE(secondary_format_modifiers), + .modifiers = secondary_format_modifiers, + .min_width = 0, + .min_height = 0, + .max_width = 4096, + .max_height = 4096, + .min_scale = DRM_PLANE_NO_SCALING, + .max_scale = DRM_PLANE_NO_SCALING, + .rotation = 0, + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) | BIT(DRM_COLOR_YCBCR_BT2020), + .zpos = 5, + }, +}; + +static const struct vs_plane_cursor_info dc_hw_planes_cursor[2] = { + { + .id = CURSOR_PLANE_0, + .num_formats = ARRAY_SIZE(cursor_formats), + .formats = cursor_formats, + .min_width = 32, + .min_height = 32, + .max_width = 64, + .max_height = 64, + .zpos = 255, + }, + { + .id = CURSOR_PLANE_1, + .num_formats = ARRAY_SIZE(cursor_formats), + .formats = cursor_formats, + .min_width = 32, + .min_height = 32, + .max_width = 64, + .max_height = 64, + .zpos = 255, + }, +}; + +static const struct vs_dc_info dc8200_info = { + .name = "DC8200", + .panel_num = 2, + .primary_num = 2, + .overlay_num = 4, + .cursor_num = 2, + .primary = dc_hw_planes_primary, + .overlay = dc_hw_planes_overlay, + .cursor = dc_hw_planes_cursor, + .layer_num = 6, + .gamma_size = GAMMA_EX_SIZE, + .gamma_bits = 12, + .pitch_alignment = 128, +}; + +static int vs_gem_dumb_create(struct drm_file *file, struct drm_device *dev, + struct drm_mode_create_dumb *args) +{ + struct vs_drm_device *priv = to_vs_drm_private(dev); + unsigned int pitch = DIV_ROUND_UP(args->width * args->bpp, 8); + + args->pitch = ALIGN(pitch, priv->pitch_alignment); + return drm_gem_dma_dumb_create_internal(file, dev, args); +} + +DEFINE_DRM_GEM_FOPS(vs_drm_fops); + +static struct drm_driver vs_drm_driver = { + .driver_features = DRIVER_MODESET | DRIVER_ATOMIC | DRIVER_GEM, + + DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(vs_gem_dumb_create), + + .fops = &vs_drm_fops, + .name = DRV_NAME, + .desc = DRV_DESC, + .date = DRV_DATE, + .major = DRV_MAJOR, + .minor = DRV_MINOR, +}; + +static irqreturn_t vs_dc_isr(int irq, void *data) +{ + struct vs_drm_device *priv = data; + struct vs_dc *dc = &priv->dc; + struct vs_dc_info *dc_info = dc->hw.info; + u32 i; + + dc_hw_get_interrupt(&dc->hw); + + for (i = 0; i < dc_info->panel_num; i++) + drm_crtc_handle_vblank(&dc->crtc[i]->base); + + return IRQ_HANDLED; +} + +static int vs_drm_device_init_res(struct vs_drm_device *priv) +{ + struct device *dev = priv->base.dev; + struct platform_device *pdev = to_platform_device(dev); + int ret; + struct vs_dc *dc; + + dc = &priv->dc; + dc->hw.hi_base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(dc->hw.hi_base)) + return PTR_ERR(dc->hw.hi_base); + + dc->hw.reg_base = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(dc->hw.reg_base)) + return PTR_ERR(dc->hw.reg_base); + + dc->hw.info = (struct vs_dc_info *)of_device_get_match_data(dev); + + ret = devm_clk_bulk_get_all(dev, &priv->clks); + if (ret < 0) { + dev_err(dev, "can't get vout clock, ret=%d\n", ret); + return ret; + } + priv->clk_count = ret; + + priv->rsts = devm_reset_control_array_get_shared(dev); + if (IS_ERR(priv->rsts)) + return PTR_ERR(priv->rsts); + + priv->irq = platform_get_irq(pdev, 0); + + /* do not autoenable, will be enabled later */ + ret = devm_request_irq(dev, priv->irq, vs_dc_isr, IRQF_NO_AUTOEN, dev_name(dev), priv); + if (ret < 0) { + dev_err(dev, "Failed to install irq:%u.\n", priv->irq); + return ret; + } + + return ret; +} + +static u32 get_addr_offset(u32 id) +{ + u32 offset = 0; + + switch (id) { + case PRIMARY_PLANE_1: + case OVERLAY_PLANE_1: + offset = 0x04; + break; + case OVERLAY_PLANE_2: + offset = 0x08; + break; + case OVERLAY_PLANE_3: + offset = 0x0C; + break; + default: + break; + } + + return offset; +} + +static int vs_drm_device_crtc_plane_create(struct vs_drm_device *priv) +{ + struct vs_dc *dc; + struct drm_device *drm_dev; + int i, ret; + struct device_node *port; + struct vs_crtc *crtc; + struct vs_dc_info *dc_info; + struct vs_plane *plane; + struct vs_plane_primary_info *primary_info; + struct vs_plane_overlay_info *overlay_info; + struct vs_plane_cursor_info *cursor_info; + + struct device *dev = priv->base.dev; + u32 max_width = 0, max_height = 0; + u32 min_width = 0xffff, min_heigth = 0xffff; + u32 possible_crtc = 0; + + dc = &priv->dc; + dc_info = dc->hw.info; + drm_dev = &priv->base; + + for (i = 0; i < dc_info->panel_num; i++) { + crtc = vs_crtc_create(drm_dev, dc_info); + if (!crtc) { + drm_err(drm_dev, "Failed to create CRTC.\n"); + ret = -ENOMEM; + return ret; + } + crtc->dev = drm_dev->dev; + + port = of_graph_get_port_by_id(crtc->dev->of_node, i); + if (!port) { + drm_err(drm_dev, "no port node found for crtc_port%d\n", i); + return -ENOENT; + } + + crtc->base.port = port; + dc->crtc[i] = crtc; + + of_node_put(port); + } + + if (!dc->crtc[0]->base.port || !dc->crtc[1]->base.port) { + drm_err(drm_dev, "no port no crtc mask, fail to create plane\n"); + return -ENOENT; + } + + for (i = 0; i < dc_info->primary_num; i++) { + primary_info = (struct vs_plane_primary_info *)&dc_info->primary[i]; + + if (primary_info->id == PRIMARY_PLANE_0) + possible_crtc = drm_crtc_mask(&dc->crtc[0]->base); + else + possible_crtc = drm_crtc_mask(&dc->crtc[1]->base); + + plane = vs_plane_primary_create(drm_dev, primary_info, + dc_info->layer_num, possible_crtc); + if (IS_ERR(plane)) { + dev_err(dev, "failed to construct plane\n"); + return PTR_ERR(plane); + } + + plane->id = primary_info->id; + dc->planes[plane->id].id = primary_info->id; + dc->planes[plane->id].offset = get_addr_offset(primary_info->id); + + if (primary_info->id == PRIMARY_PLANE_0) + dc->crtc[0]->base.primary = &plane->base; + else + dc->crtc[1]->base.primary = &plane->base; + + min_width = min_t(u32, min_width, primary_info->min_width); + min_heigth = min_t(u32, min_heigth, primary_info->min_height); + /* + * Note: these values are used for multiple independent things: + * hw display mode filtering, plane buffer sizes ... + * Use the combined maximum values here to cover all use cases, + * and do more specific checking in the respective code paths. + */ + max_width = max_t(u32, max_width, primary_info->max_width); + max_height = max_t(u32, max_height, primary_info->max_height); + } + + for (i = 0; i < dc_info->overlay_num; i++) { + overlay_info = (struct vs_plane_overlay_info *)&dc_info->overlay[i]; + + possible_crtc = drm_crtc_mask(&dc->crtc[0]->base) | + drm_crtc_mask(&dc->crtc[1]->base); + + plane = vs_plane_overlay_create(drm_dev, overlay_info, + dc_info->layer_num, possible_crtc); + if (IS_ERR(plane)) { + dev_err(dev, "failed to construct plane\n"); + return PTR_ERR(plane); + } + + plane->id = overlay_info->id; + dc->planes[plane->id].id = overlay_info->id; + dc->planes[plane->id].offset = get_addr_offset(overlay_info->id); + } + + for (i = 0; i < dc_info->cursor_num; i++) { + cursor_info = (struct vs_plane_cursor_info *)&dc_info->cursor[i]; + + if (cursor_info->id == CURSOR_PLANE_0) + possible_crtc = drm_crtc_mask(&dc->crtc[0]->base); + else + possible_crtc = drm_crtc_mask(&dc->crtc[1]->base); + + plane = vs_plane_cursor_create(drm_dev, cursor_info, possible_crtc); + if (IS_ERR(plane)) { + dev_err(dev, "failed to construct plane\n"); + return PTR_ERR(plane); + } + + plane->id = cursor_info->id; + dc->planes[plane->id].id = cursor_info->id; + dc->planes[plane->id].offset = get_addr_offset(cursor_info->id); + + if (cursor_info->id == CURSOR_PLANE_0) + dc->crtc[0]->base.cursor = &plane->base; + else + dc->crtc[1]->base.cursor = &plane->base; + drm_dev->mode_config.cursor_width = + max_t(u32, drm_dev->mode_config.cursor_width, + cursor_info->max_width); + drm_dev->mode_config.cursor_height = + max_t(u32, drm_dev->mode_config.cursor_height, + cursor_info->max_height); + } + + drm_dev->mode_config.min_width = min_width; + drm_dev->mode_config.min_height = min_heigth; + drm_dev->mode_config.max_width = max_width; + drm_dev->mode_config.max_height = max_height; + + if (dc_info->pitch_alignment > priv->pitch_alignment) + priv->pitch_alignment = dc_info->pitch_alignment; + + return 0; +} + +static int vs_load(struct vs_drm_device *priv) +{ + int ret; + + ret = clk_bulk_prepare_enable(priv->clk_count, priv->clks); + if (ret) + return ret; + + reset_control_deassert(priv->rsts); + + ret = dc_hw_init(&priv->dc); + if (ret) { + DRM_ERROR("failed to init DC HW\n"); + return ret; + } + + return 0; +} + +static int vs_drm_bind(struct device *dev) +{ + struct vs_drm_device *priv; + int ret; + struct drm_device *drm_dev; + + priv = devm_drm_dev_alloc(dev, &vs_drm_driver, struct vs_drm_device, base); + if (IS_ERR(priv)) + return PTR_ERR(priv); + + priv->pitch_alignment = 64; + drm_dev = &priv->base; + dev_set_drvdata(dev, drm_dev); + + ret = dma_set_coherent_mask(drm_dev->dev, DMA_BIT_MASK(40)); + if (ret) + return ret; + + ret = vs_drm_device_init_res(priv); + if (ret) + return ret; + + vs_mode_config_init(drm_dev); + + /* Remove existing drivers that may own the framebuffer memory. */ + ret = drm_aperture_remove_framebuffers(&vs_drm_driver); + if (ret) + return ret; + + ret = vs_drm_device_crtc_plane_create(priv); + if (ret) { + DRM_ERROR("Failed to create ctrc and plane\n"); + return ret; + } + + ret = vs_load(priv); + if (ret) + return ret; + + /* Now try and bind all our sub-components */ + ret = component_bind_all(dev, drm_dev); + if (ret) { + ret = -EPROBE_DEFER; + goto unload; + } + ret = drm_vblank_init(drm_dev, drm_dev->mode_config.num_crtc); + if (ret) + goto err_unbind_all; + + drm_mode_config_reset(drm_dev); + + ret = drmm_kms_helper_poll_init(drm_dev); + if (ret) + goto err_unbind_all; + + ret = drm_dev_register(drm_dev, 0); + if (ret) + goto err_unbind_all; + + drm_fbdev_generic_setup(drm_dev, 32); + + return 0; + +err_unbind_all: + component_unbind_all(drm_dev->dev, drm_dev); +unload: + reset_control_assert(priv->rsts); + clk_bulk_disable_unprepare(priv->clk_count, priv->clks); + return ret; + +} + +static void vs_drm_unbind(struct device *dev) +{ + struct drm_device *drm_dev = dev_get_drvdata(dev); + struct vs_drm_device *priv = to_vs_drm_private(drm_dev); + + reset_control_assert(priv->rsts); + clk_bulk_disable_unprepare(priv->clk_count, priv->clks); + + drm_dev_unregister(drm_dev); + drm_atomic_helper_shutdown(drm_dev); + component_unbind_all(drm_dev->dev, drm_dev); +} + +static const struct component_master_ops vs_drm_ops = { + .bind = vs_drm_bind, + .unbind = vs_drm_unbind, +}; + +static struct platform_driver *drm_sub_drivers[] = { + +}; + +static struct component_match *vs_add_external_components(struct device *dev) +{ + struct component_match *match = NULL; + int i; + + for (i = 0; i < ARRAY_SIZE(drm_sub_drivers); ++i) { + struct platform_driver *drv = drm_sub_drivers[i]; + struct device *p = NULL, *d; + + while ((d = platform_find_device_by_driver(p, &drv->driver))) { + put_device(p); + + drm_of_component_match_add(dev, &match, component_compare_of, + d->of_node); + p = d; + } + put_device(p); + } + + return match ? match : ERR_PTR(-ENODEV); +} + +static int vs_drm_platform_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct component_match *match; + + /* all the planes and CRTC would be created in this platform device + * , so external components are encoder + connector or self-defined + * encoder. + */ + match = vs_add_external_components(dev); + if (IS_ERR(match)) + return PTR_ERR(match); + + return component_master_add_with_match(dev, &vs_drm_ops, match); +} + +static int vs_drm_platform_remove(struct platform_device *pdev) +{ + component_master_del(&pdev->dev, &vs_drm_ops); + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int vs_drm_suspend(struct device *dev) +{ + return drm_mode_config_helper_suspend(dev_get_drvdata(dev)); +} + +static int vs_drm_resume(struct device *dev) +{ + drm_mode_config_helper_resume(dev_get_drvdata(dev)); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(vs_drm_pm_ops, vs_drm_suspend, vs_drm_resume); + +static const struct of_device_id vs_drm_dt_ids[] = { + { .compatible = "starfive,jh7110-dc8200", .data = &dc8200_info,}, + { }, +}; + +MODULE_DEVICE_TABLE(of, vs_drm_dt_ids); + +static struct platform_driver vs_drm_platform_driver = { + .probe = vs_drm_platform_probe, + .remove = vs_drm_platform_remove, + + .driver = { + .name = DRV_NAME, + .of_match_table = vs_drm_dt_ids, + .pm = &vs_drm_pm_ops, + }, +}; + +static int __init vs_drm_init(void) +{ + int ret; + + ret = platform_register_drivers(drm_sub_drivers, ARRAY_SIZE(drm_sub_drivers)); + if (ret) + return ret; + + ret = drm_platform_driver_register(&vs_drm_platform_driver); + if (ret) + platform_unregister_drivers(drm_sub_drivers, ARRAY_SIZE(drm_sub_drivers)); + + return ret; +} + +static void __exit vs_drm_fini(void) +{ + platform_driver_unregister(&vs_drm_platform_driver); + platform_unregister_drivers(drm_sub_drivers, ARRAY_SIZE(drm_sub_drivers)); +} + +late_initcall_sync(vs_drm_init); +module_exit(vs_drm_fini); + +MODULE_DESCRIPTION("VeriSilicon DRM Driver"); +MODULE_LICENSE("GPL");