[PATCH 10/28] drm/via: Add via_display.c

[Kevin Brace <kevinbrace@gmx.com>]

From: Kevin Brace <kevinbrace@bracecomputerlab.com>

Signed-off-by: Kevin Brace <kevinbrace@bracecomputerlab.com>
---
 drivers/gpu/drm/via/via_display.c | 125 ++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 drivers/gpu/drm/via/via_display.c

diff --git a/drivers/gpu/drm/via/via_display.c b/drivers/gpu/drm/via/via_display.c
new file mode 100644
index 000000000000..2f82764038c0
--- /dev/null
+++ b/drivers/gpu/drm/via/via_display.c
@@ -0,0 +1,125 @@
+/*
+ * Copyright © 2017-2020 Kevin Brace.
+ * Copyright 2012 James Simmons. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) OR COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author(s):
+ * Kevin Brace <kevinbrace@bracecomputerlab.com>
+ * James Simmons <jsimmons@infradead.org>
+ */
+
+#include <linux/pci.h>
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_probe_helper.h>
+
+#include "via_drv.h"
+
+void via_encoder_cleanup(struct drm_encoder *encoder)
+{
+	struct via_encoder *enc = container_of(encoder, struct via_encoder, base);
+
+	drm_encoder_cleanup(encoder);
+	kfree(enc);
+}
+
+void via_connector_destroy(struct drm_connector *connector)
+{
+	struct via_connector *con = container_of(connector, struct via_connector, base);
+	struct drm_property *property, *tmp;
+
+	list_for_each_entry_safe(property, tmp, &con->props, head)
+		drm_property_destroy(connector->dev, property);
+	list_del(&con->props);
+
+	drm_connector_update_edid_property(connector, NULL);
+	drm_connector_unregister(connector);
+	drm_connector_cleanup(connector);
+}
+
+int via_modeset_init(struct drm_device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
+	struct via_drm_priv *dev_priv = to_via_drm_priv(dev);
+	uint32_t i;
+	int ret = 0;
+
+	via_mode_config_init(dev_priv);
+
+	/* Initialize the number of display connectors. */
+	dev_priv->number_fp = 0;
+	dev_priv->number_dvi = 0;
+
+	via_i2c_reg_init(dev_priv);
+	ret = via_i2c_init(dev);
+	if (ret) {
+		DRM_ERROR("Failed to initialize I2C bus!\n");
+		goto exit;
+	}
+
+	for (i = 0; i < VIA_MAX_CRTC; i++) {
+		ret = via_crtc_init(dev_priv, i);
+		if (ret) {
+			goto exit;
+		}
+	}
+
+	via_ext_dvi_probe(dev);
+	via_tmds_probe(dev);
+
+	via_lvds_probe(dev);
+
+	via_dac_probe(dev);
+
+
+	via_ext_dvi_init(dev);
+	via_tmds_init(dev);
+
+	via_dac_init(dev);
+
+	via_lvds_init(dev);
+
+	switch (pdev->device) {
+	case PCI_DEVICE_ID_VIA_VX900_VGA:
+		via_hdmi_init(dev, VIA_DI_PORT_NONE);
+		break;
+	default:
+		break;
+	}
+
+	drm_mode_config_reset(dev);
+
+	drm_kms_helper_poll_init(dev);
+exit:
+	return ret;
+}
+
+void via_modeset_fini(struct drm_device *dev)
+{
+	drm_kms_helper_poll_fini(dev);
+
+	drm_helper_force_disable_all(dev);
+
+	drm_mode_config_cleanup(dev);
+
+	via_i2c_exit();
+}
--
2.35.1