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path: root/drivers/gpu/drm/ast/ast_2200.c
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Diffstat (limited to 'drivers/gpu/drm/ast/ast_2200.c')
-rw-r--r--drivers/gpu/drm/ast/ast_2200.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_2200.c b/drivers/gpu/drm/ast/ast_2200.c
new file mode 100644
index 000000000000..b64345d11ffa
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_2200.c
@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * 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 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 COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+/*
+ * Authors: Dave Airlie <airlied@redhat.com>
+ */
+
+#include <linux/pci.h>
+
+#include <drm/drm_drv.h>
+
+#include "ast_drv.h"
+
+static void ast_2200_detect_widescreen(struct ast_device *ast)
+{
+ if (__ast_2100_detect_wsxga_p(ast)) {
+ ast->support_wsxga_p = true;
+ if (ast->chip == AST2200)
+ ast->support_fullhd = true;
+ }
+ if (__ast_2100_detect_wuxga(ast))
+ ast->support_wuxga = true;
+}
+
+static const struct ast_device_quirks ast_2200_device_quirks = {
+ .crtc_mem_req_threshold_low = 47,
+ .crtc_mem_req_threshold_high = 63,
+};
+
+struct drm_device *ast_2200_device_create(struct pci_dev *pdev,
+ const struct drm_driver *drv,
+ enum ast_chip chip,
+ enum ast_config_mode config_mode,
+ void __iomem *regs,
+ void __iomem *ioregs,
+ bool need_post)
+{
+ struct drm_device *dev;
+ struct ast_device *ast;
+ int ret;
+
+ ast = devm_drm_dev_alloc(&pdev->dev, drv, struct ast_device, base);
+ if (IS_ERR(ast))
+ return ERR_CAST(ast);
+ dev = &ast->base;
+
+ ast_device_init(ast, chip, config_mode, regs, ioregs, &ast_2200_device_quirks);
+
+ ast->dclk_table = ast_2000_dclk_table;
+
+ ast_2000_detect_tx_chip(ast, need_post);
+
+ if (need_post) {
+ ret = ast_post_gpu(ast);
+ if (ret)
+ return ERR_PTR(ret);
+ }
+
+ ret = ast_mm_init(ast);
+ if (ret)
+ return ERR_PTR(ret);
+
+ ast_2200_detect_widescreen(ast);
+
+ ret = ast_mode_config_init(ast);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return dev;
+}
+