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path: root/drivers/gpu/drm/ast/ast_2600.c
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Diffstat (limited to 'drivers/gpu/drm/ast/ast_2600.c')
-rw-r--r--drivers/gpu/drm/ast/ast_2600.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_2600.c b/drivers/gpu/drm/ast/ast_2600.c
index 8d75a47444f5..dee78fd5b022 100644
--- a/drivers/gpu/drm/ast/ast_2600.c
+++ b/drivers/gpu/drm/ast/ast_2600.c
@@ -26,6 +26,10 @@
* Authors: Dave Airlie <airlied@redhat.com>
*/
+#include <linux/pci.h>
+
+#include <drm/drm_drv.h>
+
#include "ast_drv.h"
#include "ast_post.h"
@@ -42,3 +46,71 @@ int ast_2600_post(struct ast_device *ast)
return 0;
}
+
+/*
+ * Device initialization
+ */
+
+static void ast_2600_detect_widescreen(struct ast_device *ast)
+{
+ ast->support_wsxga_p = true;
+ ast->support_fullhd = true;
+ if (__ast_2100_detect_wuxga(ast))
+ ast->support_wuxga = true;
+}
+
+static const struct ast_device_quirks ast_2600_device_quirks = {
+ .crtc_mem_req_threshold_low = 160,
+ .crtc_mem_req_threshold_high = 224,
+ .crtc_hsync_precatch_needed = true,
+ .crtc_hsync_add4_needed = true,
+};
+
+struct drm_device *ast_2600_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_2600_device_quirks);
+
+ ast->dclk_table = ast_2500_dclk_table;
+
+ ast_2300_detect_tx_chip(ast);
+
+ switch (ast->tx_chip) {
+ case AST_TX_ASTDP:
+ ret = ast_post_gpu(ast);
+ break;
+ default:
+ ret = 0;
+ if (need_post)
+ ret = ast_post_gpu(ast);
+ break;
+ }
+ if (ret)
+ return ERR_PTR(ret);
+
+ ret = ast_mm_init(ast);
+ if (ret)
+ return ERR_PTR(ret);
+
+ ast_2600_detect_widescreen(ast);
+
+ ret = ast_mode_config_init(ast);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return dev;
+}