diff options
Diffstat (limited to 'drivers/gpu/drm/arc')
| -rw-r--r-- | drivers/gpu/drm/arc/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/Makefile | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu.h | 37 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu_crtc.c | 238 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu_drv.c | 226 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu_hdmi.c | 47 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu_regs.h | 31 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu_sim.c | 108 |
8 files changed, 0 insertions, 700 deletions
diff --git a/drivers/gpu/drm/arc/Kconfig b/drivers/gpu/drm/arc/Kconfig deleted file mode 100644 index e8f3d63e0b91..000000000000 --- a/drivers/gpu/drm/arc/Kconfig +++ /dev/null @@ -1,10 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -config DRM_ARCPGU - tristate "ARC PGU" - depends on DRM && OF - select DRM_KMS_CMA_HELPER - select DRM_KMS_HELPER - help - Choose this option if you have an ARC PGU controller. - - If M is selected the module will be called arcpgu. diff --git a/drivers/gpu/drm/arc/Makefile b/drivers/gpu/drm/arc/Makefile deleted file mode 100644 index c7028b7427b3..000000000000 --- a/drivers/gpu/drm/arc/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -arcpgu-y := arcpgu_crtc.o arcpgu_hdmi.o arcpgu_sim.o arcpgu_drv.o -obj-$(CONFIG_DRM_ARCPGU) += arcpgu.o diff --git a/drivers/gpu/drm/arc/arcpgu.h b/drivers/gpu/drm/arc/arcpgu.h deleted file mode 100644 index 6aac44b953ad..000000000000 --- a/drivers/gpu/drm/arc/arcpgu.h +++ /dev/null @@ -1,37 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * ARC PGU DRM driver. - * - * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) - */ - -#ifndef _ARCPGU_H_ -#define _ARCPGU_H_ - -struct arcpgu_drm_private { - void __iomem *regs; - struct clk *clk; - struct drm_framebuffer *fb; - struct drm_crtc crtc; - struct drm_plane *plane; -}; - -#define crtc_to_arcpgu_priv(x) container_of(x, struct arcpgu_drm_private, crtc) - -static inline void arc_pgu_write(struct arcpgu_drm_private *arcpgu, - unsigned int reg, u32 value) -{ - iowrite32(value, arcpgu->regs + reg); -} - -static inline u32 arc_pgu_read(struct arcpgu_drm_private *arcpgu, - unsigned int reg) -{ - return ioread32(arcpgu->regs + reg); -} - -int arc_pgu_setup_crtc(struct drm_device *dev); -int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np); -int arcpgu_drm_sim_init(struct drm_device *drm, struct device_node *np); - -#endif diff --git a/drivers/gpu/drm/arc/arcpgu_crtc.c b/drivers/gpu/drm/arc/arcpgu_crtc.c deleted file mode 100644 index dfaddbb7da0d..000000000000 --- a/drivers/gpu/drm/arc/arcpgu_crtc.c +++ /dev/null @@ -1,238 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * ARC PGU DRM driver. - * - * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) - */ - -#include <drm/drm_atomic_helper.h> -#include <drm/drm_device.h> -#include <drm/drm_fb_cma_helper.h> -#include <drm/drm_gem_cma_helper.h> -#include <drm/drm_vblank.h> -#include <drm/drm_plane_helper.h> -#include <drm/drm_probe_helper.h> -#include <linux/clk.h> -#include <linux/platform_data/simplefb.h> - -#include "arcpgu.h" -#include "arcpgu_regs.h" - -#define ENCODE_PGU_XY(x, y) ((((x) - 1) << 16) | ((y) - 1)) - -static struct simplefb_format supported_formats[] = { - { "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0}, DRM_FORMAT_RGB565 }, - { "r8g8b8", 24, {16, 8}, {8, 8}, {0, 8}, {0, 0}, DRM_FORMAT_RGB888 }, -}; - -static void arc_pgu_set_pxl_fmt(struct drm_crtc *crtc) -{ - struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc); - const struct drm_framebuffer *fb = crtc->primary->state->fb; - uint32_t pixel_format = fb->format->format; - struct simplefb_format *format = NULL; - int i; - - for (i = 0; i < ARRAY_SIZE(supported_formats); i++) { - if (supported_formats[i].fourcc == pixel_format) - format = &supported_formats[i]; - } - - if (WARN_ON(!format)) - return; - - if (format->fourcc == DRM_FORMAT_RGB888) - arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, - arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) | - ARCPGU_MODE_RGB888_MASK); - -} - -static const struct drm_crtc_funcs arc_pgu_crtc_funcs = { - .destroy = drm_crtc_cleanup, - .set_config = drm_atomic_helper_set_config, - .page_flip = drm_atomic_helper_page_flip, - .reset = drm_atomic_helper_crtc_reset, - .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, -}; - -static enum drm_mode_status arc_pgu_crtc_mode_valid(struct drm_crtc *crtc, - const struct drm_display_mode *mode) -{ - struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc); - long rate, clk_rate = mode->clock * 1000; - long diff = clk_rate / 200; /* +-0.5% allowed by HDMI spec */ - - rate = clk_round_rate(arcpgu->clk, clk_rate); - if ((max(rate, clk_rate) - min(rate, clk_rate) < diff) && (rate > 0)) - return MODE_OK; - - return MODE_NOCLOCK; -} - -static void arc_pgu_crtc_mode_set_nofb(struct drm_crtc *crtc) -{ - struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc); - struct drm_display_mode *m = &crtc->state->adjusted_mode; - u32 val; - - arc_pgu_write(arcpgu, ARCPGU_REG_FMT, - ENCODE_PGU_XY(m->crtc_htotal, m->crtc_vtotal)); - - arc_pgu_write(arcpgu, ARCPGU_REG_HSYNC, - ENCODE_PGU_XY(m->crtc_hsync_start - m->crtc_hdisplay, - m->crtc_hsync_end - m->crtc_hdisplay)); - - arc_pgu_write(arcpgu, ARCPGU_REG_VSYNC, - ENCODE_PGU_XY(m->crtc_vsync_start - m->crtc_vdisplay, - m->crtc_vsync_end - m->crtc_vdisplay)); - - arc_pgu_write(arcpgu, ARCPGU_REG_ACTIVE, - ENCODE_PGU_XY(m->crtc_hblank_end - m->crtc_hblank_start, - m->crtc_vblank_end - m->crtc_vblank_start)); - - val = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL); - - if (m->flags & DRM_MODE_FLAG_PVSYNC) - val |= ARCPGU_CTRL_VS_POL_MASK << ARCPGU_CTRL_VS_POL_OFST; - else - val &= ~(ARCPGU_CTRL_VS_POL_MASK << ARCPGU_CTRL_VS_POL_OFST); - - if (m->flags & DRM_MODE_FLAG_PHSYNC) - val |= ARCPGU_CTRL_HS_POL_MASK << ARCPGU_CTRL_HS_POL_OFST; - else - val &= ~(ARCPGU_CTRL_HS_POL_MASK << ARCPGU_CTRL_HS_POL_OFST); - - arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, val); - arc_pgu_write(arcpgu, ARCPGU_REG_STRIDE, 0); - arc_pgu_write(arcpgu, ARCPGU_REG_START_SET, 1); - - arc_pgu_set_pxl_fmt(crtc); - - clk_set_rate(arcpgu->clk, m->crtc_clock * 1000); -} - -static void arc_pgu_crtc_atomic_enable(struct drm_crtc *crtc, - struct drm_crtc_state *old_state) -{ - struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc); - - clk_prepare_enable(arcpgu->clk); - arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, - arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) | - ARCPGU_CTRL_ENABLE_MASK); -} - -static void arc_pgu_crtc_atomic_disable(struct drm_crtc *crtc, - struct drm_crtc_state *old_state) -{ - struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc); - - clk_disable_unprepare(arcpgu->clk); - arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, - arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) & - ~ARCPGU_CTRL_ENABLE_MASK); -} - -static void arc_pgu_crtc_atomic_begin(struct drm_crtc *crtc, - struct drm_crtc_state *state) -{ - struct drm_pending_vblank_event *event = crtc->state->event; - - if (event) { - crtc->state->event = NULL; - - spin_lock_irq(&crtc->dev->event_lock); - drm_crtc_send_vblank_event(crtc, event); - spin_unlock_irq(&crtc->dev->event_lock); - } -} - -static const struct drm_crtc_helper_funcs arc_pgu_crtc_helper_funcs = { - .mode_valid = arc_pgu_crtc_mode_valid, - .mode_set_nofb = arc_pgu_crtc_mode_set_nofb, - .atomic_begin = arc_pgu_crtc_atomic_begin, - .atomic_enable = arc_pgu_crtc_atomic_enable, - .atomic_disable = arc_pgu_crtc_atomic_disable, -}; - -static void arc_pgu_plane_atomic_update(struct drm_plane *plane, - struct drm_plane_state *state) -{ - struct arcpgu_drm_private *arcpgu; - struct drm_gem_cma_object *gem; - - if (!plane->state->crtc || !plane->state->fb) - return; - - arcpgu = crtc_to_arcpgu_priv(plane->state->crtc); - gem = drm_fb_cma_get_gem_obj(plane->state->fb, 0); - arc_pgu_write(arcpgu, ARCPGU_REG_BUF0_ADDR, gem->paddr); -} - -static const struct drm_plane_helper_funcs arc_pgu_plane_helper_funcs = { - .atomic_update = arc_pgu_plane_atomic_update, -}; - -static void arc_pgu_plane_destroy(struct drm_plane *plane) -{ - drm_plane_cleanup(plane); -} - -static const struct drm_plane_funcs arc_pgu_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, - .destroy = arc_pgu_plane_destroy, - .reset = drm_atomic_helper_plane_reset, - .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, -}; - -static struct drm_plane *arc_pgu_plane_init(struct drm_device *drm) -{ - struct arcpgu_drm_private *arcpgu = drm->dev_private; - struct drm_plane *plane = NULL; - u32 formats[ARRAY_SIZE(supported_formats)], i; - int ret; - - plane = devm_kzalloc(drm->dev, sizeof(*plane), GFP_KERNEL); - if (!plane) - return ERR_PTR(-ENOMEM); - - for (i = 0; i < ARRAY_SIZE(supported_formats); i++) - formats[i] = supported_formats[i].fourcc; - - ret = drm_universal_plane_init(drm, plane, 0xff, &arc_pgu_plane_funcs, - formats, ARRAY_SIZE(formats), - NULL, - DRM_PLANE_TYPE_PRIMARY, NULL); - if (ret) - return ERR_PTR(ret); - - drm_plane_helper_add(plane, &arc_pgu_plane_helper_funcs); - arcpgu->plane = plane; - - return plane; -} - -int arc_pgu_setup_crtc(struct drm_device *drm) -{ - struct arcpgu_drm_private *arcpgu = drm->dev_private; - struct drm_plane *primary; - int ret; - - primary = arc_pgu_plane_init(drm); - if (IS_ERR(primary)) - return PTR_ERR(primary); - - ret = drm_crtc_init_with_planes(drm, &arcpgu->crtc, primary, NULL, - &arc_pgu_crtc_funcs, NULL); - if (ret) { - arc_pgu_plane_destroy(primary); - return ret; - } - - drm_crtc_helper_add(&arcpgu->crtc, &arc_pgu_crtc_helper_funcs); - return 0; -} diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c deleted file mode 100644 index af60c6d7a5f4..000000000000 --- a/drivers/gpu/drm/arc/arcpgu_drv.c +++ /dev/null @@ -1,226 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * ARC PGU DRM driver. - * - * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) - */ - -#include <linux/clk.h> -#include <drm/drm_atomic_helper.h> -#include <drm/drm_debugfs.h> -#include <drm/drm_device.h> -#include <drm/drm_drv.h> -#include <drm/drm_fb_cma_helper.h> -#include <drm/drm_fb_helper.h> -#include <drm/drm_gem_cma_helper.h> -#include <drm/drm_gem_framebuffer_helper.h> -#include <drm/drm_probe_helper.h> -#include <linux/dma-mapping.h> -#include <linux/module.h> -#include <linux/of_reserved_mem.h> -#include <linux/platform_device.h> - -#include "arcpgu.h" -#include "arcpgu_regs.h" - -static const struct drm_mode_config_funcs arcpgu_drm_modecfg_funcs = { - .fb_create = drm_gem_fb_create, - .atomic_check = drm_atomic_helper_check, - .atomic_commit = drm_atomic_helper_commit, -}; - -static void arcpgu_setup_mode_config(struct drm_device *drm) -{ - drm_mode_config_init(drm); - drm->mode_config.min_width = 0; - drm->mode_config.min_height = 0; - drm->mode_config.max_width = 1920; - drm->mode_config.max_height = 1080; - drm->mode_config.funcs = &arcpgu_drm_modecfg_funcs; -} - -DEFINE_DRM_GEM_CMA_FOPS(arcpgu_drm_ops); - -static int arcpgu_load(struct drm_device *drm) -{ - struct platform_device *pdev = to_platform_device(drm->dev); - struct arcpgu_drm_private *arcpgu; - struct device_node *encoder_node; - struct resource *res; - int ret; - - arcpgu = devm_kzalloc(&pdev->dev, sizeof(*arcpgu), GFP_KERNEL); - if (arcpgu == NULL) - return -ENOMEM; - - drm->dev_private = arcpgu; - - arcpgu->clk = devm_clk_get(drm->dev, "pxlclk"); - if (IS_ERR(arcpgu->clk)) - return PTR_ERR(arcpgu->clk); - - arcpgu_setup_mode_config(drm); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - arcpgu->regs = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(arcpgu->regs)) - return PTR_ERR(arcpgu->regs); - - dev_info(drm->dev, "arc_pgu ID: 0x%x\n", - arc_pgu_read(arcpgu, ARCPGU_REG_ID)); - - /* Get the optional framebuffer memory resource */ - ret = of_reserved_mem_device_init(drm->dev); - if (ret && ret != -ENODEV) - return ret; - - if (dma_set_mask_and_coherent(drm->dev, DMA_BIT_MASK(32))) - return -ENODEV; - - if (arc_pgu_setup_crtc(drm) < 0) - return -ENODEV; - - /* find the encoder node and initialize it */ - encoder_node = of_parse_phandle(drm->dev->of_node, "encoder-slave", 0); - if (encoder_node) { - ret = arcpgu_drm_hdmi_init(drm, encoder_node); - of_node_put(encoder_node); - if (ret < 0) - return ret; - } else { - ret = arcpgu_drm_sim_init(drm, NULL); - if (ret < 0) - return ret; - } - - drm_mode_config_reset(drm); - drm_kms_helper_poll_init(drm); - - platform_set_drvdata(pdev, drm); - return 0; -} - -static int arcpgu_unload(struct drm_device *drm) -{ - drm_kms_helper_poll_fini(drm); - drm_atomic_helper_shutdown(drm); - drm_mode_config_cleanup(drm); - - return 0; -} - -#ifdef CONFIG_DEBUG_FS -static int arcpgu_show_pxlclock(struct seq_file *m, void *arg) -{ - struct drm_info_node *node = (struct drm_info_node *)m->private; - struct drm_device *drm = node->minor->dev; - struct arcpgu_drm_private *arcpgu = drm->dev_private; - unsigned long clkrate = clk_get_rate(arcpgu->clk); - unsigned long mode_clock = arcpgu->crtc.mode.crtc_clock * 1000; - - seq_printf(m, "hw : %lu\n", clkrate); - seq_printf(m, "mode: %lu\n", mode_clock); - return 0; -} - -static struct drm_info_list arcpgu_debugfs_list[] = { - { "clocks", arcpgu_show_pxlclock, 0 }, -}; - -static int arcpgu_debugfs_init(struct drm_minor *minor) -{ - return drm_debugfs_create_files(arcpgu_debugfs_list, - ARRAY_SIZE(arcpgu_debugfs_list), minor->debugfs_root, minor); -} -#endif - -static struct drm_driver arcpgu_drm_driver = { - .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | - DRIVER_ATOMIC, - .name = "arcpgu", - .desc = "ARC PGU Controller", - .date = "20160219", - .major = 1, - .minor = 0, - .patchlevel = 0, - .fops = &arcpgu_drm_ops, - .dumb_create = drm_gem_cma_dumb_create, - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_free_object_unlocked = drm_gem_cma_free_object, - .gem_print_info = drm_gem_cma_print_info, - .gem_vm_ops = &drm_gem_cma_vm_ops, - .gem_prime_export = drm_gem_prime_export, - .gem_prime_import = drm_gem_prime_import, - .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, - .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, - .gem_prime_vmap = drm_gem_cma_prime_vmap, - .gem_prime_vunmap = drm_gem_cma_prime_vunmap, - .gem_prime_mmap = drm_gem_cma_prime_mmap, -#ifdef CONFIG_DEBUG_FS - .debugfs_init = arcpgu_debugfs_init, -#endif -}; - -static int arcpgu_probe(struct platform_device *pdev) -{ - struct drm_device *drm; - int ret; - - drm = drm_dev_alloc(&arcpgu_drm_driver, &pdev->dev); - if (IS_ERR(drm)) - return PTR_ERR(drm); - - ret = arcpgu_load(drm); - if (ret) - goto err_unref; - - ret = drm_dev_register(drm, 0); - if (ret) - goto err_unload; - - drm_fbdev_generic_setup(drm, 16); - - return 0; - -err_unload: - arcpgu_unload(drm); - -err_unref: - drm_dev_put(drm); - - return ret; -} - -static int arcpgu_remove(struct platform_device *pdev) -{ - struct drm_device *drm = platform_get_drvdata(pdev); - - drm_dev_unregister(drm); - arcpgu_unload(drm); - drm_dev_put(drm); - - return 0; -} - -static const struct of_device_id arcpgu_of_table[] = { - {.compatible = "snps,arcpgu"}, - {} -}; - -MODULE_DEVICE_TABLE(of, arcpgu_of_table); - -static struct platform_driver arcpgu_platform_driver = { - .probe = arcpgu_probe, - .remove = arcpgu_remove, - .driver = { - .name = "arcpgu", - .of_match_table = arcpgu_of_table, - }, -}; - -module_platform_driver(arcpgu_platform_driver); - -MODULE_AUTHOR("Carlos Palminha <palminha@synopsys.com>"); -MODULE_DESCRIPTION("ARC PGU DRM driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/arc/arcpgu_hdmi.c b/drivers/gpu/drm/arc/arcpgu_hdmi.c deleted file mode 100644 index 98aac743cc26..000000000000 --- a/drivers/gpu/drm/arc/arcpgu_hdmi.c +++ /dev/null @@ -1,47 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * ARC PGU DRM driver. - * - * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) - */ - -#include <drm/drm_crtc.h> -#include <drm/drm_encoder.h> -#include <drm/drm_device.h> - -#include "arcpgu.h" - -static struct drm_encoder_funcs arcpgu_drm_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np) -{ - struct drm_encoder *encoder; - struct drm_bridge *bridge; - - int ret = 0; - - encoder = devm_kzalloc(drm->dev, sizeof(*encoder), GFP_KERNEL); - if (encoder == NULL) - return -ENOMEM; - - /* Locate drm bridge from the hdmi encoder DT node */ - bridge = of_drm_find_bridge(np); - if (!bridge) - return -EPROBE_DEFER; - - encoder->possible_crtcs = 1; - encoder->possible_clones = 0; - ret = drm_encoder_init(drm, encoder, &arcpgu_drm_encoder_funcs, - DRM_MODE_ENCODER_TMDS, NULL); - if (ret) - return ret; - - /* Link drm_bridge to encoder */ - ret = drm_bridge_attach(encoder, bridge, NULL); - if (ret) - drm_encoder_cleanup(encoder); - - return ret; -} diff --git a/drivers/gpu/drm/arc/arcpgu_regs.h b/drivers/gpu/drm/arc/arcpgu_regs.h deleted file mode 100644 index dab2c380f7f3..000000000000 --- a/drivers/gpu/drm/arc/arcpgu_regs.h +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * ARC PGU DRM driver. - * - * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) - */ - -#ifndef _ARC_PGU_REGS_H_ -#define _ARC_PGU_REGS_H_ - -#define ARCPGU_REG_CTRL 0x00 -#define ARCPGU_REG_STAT 0x04 -#define ARCPGU_REG_FMT 0x10 -#define ARCPGU_REG_HSYNC 0x14 -#define ARCPGU_REG_VSYNC 0x18 -#define ARCPGU_REG_ACTIVE 0x1c -#define ARCPGU_REG_BUF0_ADDR 0x40 -#define ARCPGU_REG_STRIDE 0x50 -#define ARCPGU_REG_START_SET 0x84 - -#define ARCPGU_REG_ID 0x3FC - -#define ARCPGU_CTRL_ENABLE_MASK 0x02 -#define ARCPGU_CTRL_VS_POL_MASK 0x1 -#define ARCPGU_CTRL_VS_POL_OFST 0x3 -#define ARCPGU_CTRL_HS_POL_MASK 0x1 -#define ARCPGU_CTRL_HS_POL_OFST 0x4 -#define ARCPGU_MODE_RGB888_MASK 0x04 -#define ARCPGU_STAT_BUSY_MASK 0x02 - -#endif diff --git a/drivers/gpu/drm/arc/arcpgu_sim.c b/drivers/gpu/drm/arc/arcpgu_sim.c deleted file mode 100644 index 37d961668dfe..000000000000 --- a/drivers/gpu/drm/arc/arcpgu_sim.c +++ /dev/null @@ -1,108 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * ARC PGU DRM driver. - * - * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com) - */ - -#include <drm/drm_atomic_helper.h> -#include <drm/drm_device.h> -#include <drm/drm_probe_helper.h> - -#include "arcpgu.h" - -#define XRES_DEF 640 -#define YRES_DEF 480 - -#define XRES_MAX 8192 -#define YRES_MAX 8192 - - -struct arcpgu_drm_connector { - struct drm_connector connector; -}; - -static int arcpgu_drm_connector_get_modes(struct drm_connector *connector) -{ - int count; - - count = drm_add_modes_noedid(connector, XRES_MAX, YRES_MAX); - drm_set_preferred_mode(connector, XRES_DEF, YRES_DEF); - return count; -} - -static void arcpgu_drm_connector_destroy(struct drm_connector *connector) -{ - drm_connector_unregister(connector); - drm_connector_cleanup(connector); -} - -static const struct drm_connector_helper_funcs -arcpgu_drm_connector_helper_funcs = { - .get_modes = arcpgu_drm_connector_get_modes, -}; - -static const struct drm_connector_funcs arcpgu_drm_connector_funcs = { - .reset = drm_atomic_helper_connector_reset, - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = arcpgu_drm_connector_destroy, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, -}; - -static struct drm_encoder_funcs arcpgu_drm_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -int arcpgu_drm_sim_init(struct drm_device *drm, struct device_node *np) -{ - struct arcpgu_drm_connector *arcpgu_connector; - struct drm_encoder *encoder; - struct drm_connector *connector; - int ret; - - encoder = devm_kzalloc(drm->dev, sizeof(*encoder), GFP_KERNEL); - if (encoder == NULL) - return -ENOMEM; - - encoder->possible_crtcs = 1; - encoder->possible_clones = 0; - - ret = drm_encoder_init(drm, encoder, &arcpgu_drm_encoder_funcs, - DRM_MODE_ENCODER_VIRTUAL, NULL); - if (ret) - return ret; - - arcpgu_connector = devm_kzalloc(drm->dev, sizeof(*arcpgu_connector), - GFP_KERNEL); - if (!arcpgu_connector) { - ret = -ENOMEM; - goto error_encoder_cleanup; - } - - connector = &arcpgu_connector->connector; - drm_connector_helper_add(connector, &arcpgu_drm_connector_helper_funcs); - - ret = drm_connector_init(drm, connector, &arcpgu_drm_connector_funcs, - DRM_MODE_CONNECTOR_VIRTUAL); - if (ret < 0) { - dev_err(drm->dev, "failed to initialize drm connector\n"); - goto error_encoder_cleanup; - } - - ret = drm_connector_attach_encoder(connector, encoder); - if (ret < 0) { - dev_err(drm->dev, "could not attach connector to encoder\n"); - drm_connector_unregister(connector); - goto error_connector_cleanup; - } - - return 0; - -error_connector_cleanup: - drm_connector_cleanup(connector); - -error_encoder_cleanup: - drm_encoder_cleanup(encoder); - return ret; -} |