diff options
Diffstat (limited to 'drivers/gpu/drm/udl/udl_connector.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_connector.c | 139 | 
1 files changed, 0 insertions, 139 deletions
| diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c deleted file mode 100644 index fade4c7adbf7..000000000000 --- a/drivers/gpu/drm/udl/udl_connector.c +++ /dev/null @@ -1,139 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2012 Red Hat - * based in parts on udlfb.c: - * Copyright (C) 2009 Roberto De Ioris <[email protected]> - * Copyright (C) 2009 Jaya Kumar <[email protected]> - * Copyright (C) 2009 Bernie Thompson <[email protected]> - */ - -#include <drm/drm_atomic_state_helper.h> -#include <drm/drm_edid.h> -#include <drm/drm_crtc_helper.h> -#include <drm/drm_probe_helper.h> - -#include "udl_connector.h" -#include "udl_drv.h" - -static int udl_get_edid_block(void *data, u8 *buf, unsigned int block, -			       size_t len) -{ -	int ret, i; -	u8 *read_buff; -	struct udl_device *udl = data; -	struct usb_device *udev = udl_to_usb_device(udl); - -	read_buff = kmalloc(2, GFP_KERNEL); -	if (!read_buff) -		return -1; - -	for (i = 0; i < len; i++) { -		int bval = (i + block * EDID_LENGTH) << 8; -		ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), -				      0x02, (0x80 | (0x02 << 5)), bval, -				      0xA1, read_buff, 2, 1000); -		if (ret < 1) { -			DRM_ERROR("Read EDID byte %d failed err %x\n", i, ret); -			kfree(read_buff); -			return -1; -		} -		buf[i] = read_buff[1]; -	} - -	kfree(read_buff); -	return 0; -} - -static int udl_get_modes(struct drm_connector *connector) -{ -	struct udl_drm_connector *udl_connector = -					container_of(connector, -					struct udl_drm_connector, -					connector); - -	drm_connector_update_edid_property(connector, udl_connector->edid); -	if (udl_connector->edid) -		return drm_add_edid_modes(connector, udl_connector->edid); -	return 0; -} - -static enum drm_mode_status udl_mode_valid(struct drm_connector *connector, -			  struct drm_display_mode *mode) -{ -	struct udl_device *udl = to_udl(connector->dev); -	if (!udl->sku_pixel_limit) -		return 0; - -	if (mode->vdisplay * mode->hdisplay > udl->sku_pixel_limit) -		return MODE_VIRTUAL_Y; - -	return 0; -} - -static enum drm_connector_status -udl_detect(struct drm_connector *connector, bool force) -{ -	struct udl_device *udl = to_udl(connector->dev); -	struct udl_drm_connector *udl_connector = -					container_of(connector, -					struct udl_drm_connector, -					connector); - -	/* cleanup previous edid */ -	if (udl_connector->edid != NULL) { -		kfree(udl_connector->edid); -		udl_connector->edid = NULL; -	} - -	udl_connector->edid = drm_do_get_edid(connector, udl_get_edid_block, udl); -	if (!udl_connector->edid) -		return connector_status_disconnected; - -	return connector_status_connected; -} - -static void udl_connector_destroy(struct drm_connector *connector) -{ -	struct udl_drm_connector *udl_connector = -					container_of(connector, -					struct udl_drm_connector, -					connector); - -	drm_connector_cleanup(connector); -	kfree(udl_connector->edid); -	kfree(connector); -} - -static const struct drm_connector_helper_funcs udl_connector_helper_funcs = { -	.get_modes = udl_get_modes, -	.mode_valid = udl_mode_valid, -}; - -static const struct drm_connector_funcs udl_connector_funcs = { -	.reset = drm_atomic_helper_connector_reset, -	.detect = udl_detect, -	.fill_modes = drm_helper_probe_single_connector_modes, -	.destroy = udl_connector_destroy, -	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, -	.atomic_destroy_state   = drm_atomic_helper_connector_destroy_state, -}; - -struct drm_connector *udl_connector_init(struct drm_device *dev) -{ -	struct udl_drm_connector *udl_connector; -	struct drm_connector *connector; - -	udl_connector = kzalloc(sizeof(struct udl_drm_connector), GFP_KERNEL); -	if (!udl_connector) -		return ERR_PTR(-ENOMEM); - -	connector = &udl_connector->connector; -	drm_connector_init(dev, connector, &udl_connector_funcs, -			   DRM_MODE_CONNECTOR_VGA); -	drm_connector_helper_add(connector, &udl_connector_helper_funcs); - -	connector->polled = DRM_CONNECTOR_POLL_HPD | -		DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; - -	return connector; -} |