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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/drivers/gpu/drm/ast/ast_drv.h
....@@ -28,19 +28,17 @@
2828 #ifndef __AST_DRV_H__
2929 #define __AST_DRV_H__
3030 
31
-#include <drm/drm_encoder.h>
32
-#include <drm/drm_fb_helper.h>
33
-
34
-#include <drm/ttm/ttm_bo_api.h>
35
-#include <drm/ttm/ttm_bo_driver.h>
36
-#include <drm/ttm/ttm_placement.h>
37
-#include <drm/ttm/ttm_memory.h>
38
-#include <drm/ttm/ttm_module.h>
39
-
40
-#include <drm/drm_gem.h>
41
-
31
+#include <linux/types.h>
32
+#include <linux/io.h>
4233 #include <linux/i2c.h>
4334 #include <linux/i2c-algo-bit.h>
35
+
36
+#include <drm/drm_connector.h>
37
+#include <drm/drm_crtc.h>
38
+#include <drm/drm_encoder.h>
39
+#include <drm/drm_mode.h>
40
+#include <drm/drm_framebuffer.h>
41
+#include <drm/drm_fb_helper.h>
4442 
4543 #define DRIVER_AUTHOR		"Dave Airlie"
4644 
....@@ -54,7 +52,6 @@
5452 
5553 #define PCI_CHIP_AST2000 0x2000
5654 #define PCI_CHIP_AST2100 0x2010
57
-#define PCI_CHIP_AST1180 0x1180
5855 
5956 
6057 enum ast_chip {
....@@ -66,7 +63,6 @@
6663 	AST2300,
6764 	AST2400,
6865 	AST2500,
69
-	AST1180,
7066 };
7167 
7268 enum ast_tx_chip {
....@@ -84,37 +80,68 @@
8480 #define AST_DRAM_4Gx16   7
8581 #define AST_DRAM_8Gx16   8
8682 
87
-struct ast_fbdev;
83
+
84
+#define AST_MAX_HWC_WIDTH	64
85
+#define AST_MAX_HWC_HEIGHT	64
86
+
87
+#define AST_HWC_SIZE		(AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2)
88
+#define AST_HWC_SIGNATURE_SIZE	32
89
+
90
+#define AST_DEFAULT_HWC_NUM	2
91
+
92
+/* define for signature structure */
93
+#define AST_HWC_SIGNATURE_CHECKSUM	0x00
94
+#define AST_HWC_SIGNATURE_SizeX		0x04
95
+#define AST_HWC_SIGNATURE_SizeY		0x08
96
+#define AST_HWC_SIGNATURE_X		0x0C
97
+#define AST_HWC_SIGNATURE_Y		0x10
98
+#define AST_HWC_SIGNATURE_HOTSPOTX	0x14
99
+#define AST_HWC_SIGNATURE_HOTSPOTY	0x18
100
+
101
+struct ast_i2c_chan {
102
+	struct i2c_adapter adapter;
103
+	struct drm_device *dev;
104
+	struct i2c_algo_bit_data bit;
105
+};
106
+
107
+struct ast_connector {
108
+	struct drm_connector base;
109
+	struct ast_i2c_chan *i2c;
110
+};
111
+
112
+static inline struct ast_connector *
113
+to_ast_connector(struct drm_connector *connector)
114
+{
115
+	return container_of(connector, struct ast_connector, base);
116
+}
88117 
89118 struct ast_private {
90
-	struct drm_device *dev;
119
+	struct drm_device base;
91120 
92121 	void __iomem *regs;
93122 	void __iomem *ioregs;
123
+	void __iomem *dp501_fw_buf;
94124 
95125 	enum ast_chip chip;
96126 	bool vga2_clone;
97127 	uint32_t dram_bus_width;
98128 	uint32_t dram_type;
99129 	uint32_t mclk;
100
-	uint32_t vram_size;
101
-
102
-	struct ast_fbdev *fbdev;
103130 
104131 	int fb_mtrr;
105132 
106133 	struct {
107
-		struct drm_global_reference mem_global_ref;
108
-		struct ttm_bo_global_ref bo_global_ref;
109
-		struct ttm_bo_device bdev;
110
-	} ttm;
134
+		struct drm_gem_vram_object *gbo[AST_DEFAULT_HWC_NUM];
135
+		void __iomem *vaddr[AST_DEFAULT_HWC_NUM];
136
+		unsigned int next_index;
137
+	} cursor;
111138 
112
-	struct drm_gem_object *cursor_cache;
113
-	uint64_t cursor_cache_gpu_addr;
114
-	/* Acces to this cache is protected by the crtc->mutex of the only crtc
115
-	 * we have. */
116
-	struct ttm_bo_kmap_obj cache_kmap;
117
-	int next_cursor;
139
+	struct drm_plane primary_plane;
140
+	struct drm_plane cursor_plane;
141
+	struct drm_crtc crtc;
142
+	struct drm_encoder encoder;
143
+	struct ast_connector connector;
144
+
118145 	bool support_wide_screen;
119146 	enum {
120147 		ast_use_p2a,
....@@ -128,10 +155,14 @@
128155 	const struct firmware *dp501_fw;	/* dp501 fw */
129156 };
130157 
131
-int ast_driver_load(struct drm_device *dev, unsigned long flags);
132
-void ast_driver_unload(struct drm_device *dev);
158
+static inline struct ast_private *to_ast_private(struct drm_device *dev)
159
+{
160
+	return container_of(dev, struct ast_private, base);
161
+}
133162 
134
-struct ast_gem_object;
163
+struct ast_private *ast_device_create(struct drm_driver *drv,
164
+				      struct pci_dev *pdev,
165
+				      unsigned long flags);
135166 
136167 #define AST_IO_AR_PORT_WRITE		(0x40)
137168 #define AST_IO_MISC_PORT_WRITE		(0x42)
....@@ -146,6 +177,8 @@
146177 #define AST_IO_MISC_PORT_READ		(0x4C)
147178 
148179 #define AST_IO_MM_OFFSET		(0x380)
180
+
181
+#define AST_IO_VGAIR1_VREFRESH		BIT(3)
149182 
150183 #define __ast_read(x) \
151184 static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
....@@ -215,66 +248,6 @@
215248 
216249 #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
217250 
218
-#define AST_MAX_HWC_WIDTH 64
219
-#define AST_MAX_HWC_HEIGHT 64
220
-
221
-#define AST_HWC_SIZE                (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2)
222
-#define AST_HWC_SIGNATURE_SIZE      32
223
-
224
-#define AST_DEFAULT_HWC_NUM 2
225
-/* define for signature structure */
226
-#define AST_HWC_SIGNATURE_CHECKSUM  0x00
227
-#define AST_HWC_SIGNATURE_SizeX     0x04
228
-#define AST_HWC_SIGNATURE_SizeY     0x08
229
-#define AST_HWC_SIGNATURE_X         0x0C
230
-#define AST_HWC_SIGNATURE_Y         0x10
231
-#define AST_HWC_SIGNATURE_HOTSPOTX  0x14
232
-#define AST_HWC_SIGNATURE_HOTSPOTY  0x18
233
-
234
-
235
-struct ast_i2c_chan {
236
-	struct i2c_adapter adapter;
237
-	struct drm_device *dev;
238
-	struct i2c_algo_bit_data bit;
239
-};
240
-
241
-struct ast_connector {
242
-	struct drm_connector base;
243
-	struct ast_i2c_chan *i2c;
244
-};
245
-
246
-struct ast_crtc {
247
-	struct drm_crtc base;
248
-	struct drm_gem_object *cursor_bo;
249
-	uint64_t cursor_addr;
250
-	int cursor_width, cursor_height;
251
-	u8 offset_x, offset_y;
252
-};
253
-
254
-struct ast_encoder {
255
-	struct drm_encoder base;
256
-};
257
-
258
-struct ast_framebuffer {
259
-	struct drm_framebuffer base;
260
-	struct drm_gem_object *obj;
261
-};
262
-
263
-struct ast_fbdev {
264
-	struct drm_fb_helper helper;
265
-	struct ast_framebuffer afb;
266
-	void *sysram;
267
-	int size;
268
-	struct ttm_bo_kmap_obj mapping;
269
-	int x1, y1, x2, y2; /* dirty rect */
270
-	spinlock_t dirty_lock;
271
-};
272
-
273
-#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
274
-#define to_ast_connector(x) container_of(x, struct ast_connector, base)
275
-#define to_ast_encoder(x) container_of(x, struct ast_encoder, base)
276
-#define to_ast_framebuffer(x) container_of(x, struct ast_framebuffer, base)
277
-
278251 struct ast_vbios_stdtable {
279252 	u8 misc;
280253 	u8 seq[4];
....@@ -310,87 +283,34 @@
310283 	const struct ast_vbios_enhtable *enh_table;
311284 };
312285 
313
-extern int ast_mode_init(struct drm_device *dev);
314
-extern void ast_mode_fini(struct drm_device *dev);
286
+struct ast_crtc_state {
287
+	struct drm_crtc_state base;
315288 
316
-int ast_framebuffer_init(struct drm_device *dev,
317
-			 struct ast_framebuffer *ast_fb,
318
-			 const struct drm_mode_fb_cmd2 *mode_cmd,
319
-			 struct drm_gem_object *obj);
289
+	/* Last known format of primary plane */
290
+	const struct drm_format_info *format;
320291 
321
-int ast_fbdev_init(struct drm_device *dev);
322
-void ast_fbdev_fini(struct drm_device *dev);
323
-void ast_fbdev_set_suspend(struct drm_device *dev, int state);
324
-void ast_fbdev_set_base(struct ast_private *ast, unsigned long gpu_addr);
325
-
326
-struct ast_bo {
327
-	struct ttm_buffer_object bo;
328
-	struct ttm_placement placement;
329
-	struct ttm_bo_kmap_obj kmap;
330
-	struct drm_gem_object gem;
331
-	struct ttm_place placements[3];
332
-	int pin_count;
292
+	struct ast_vbios_mode_info vbios_mode_info;
333293 };
334
-#define gem_to_ast_bo(gobj) container_of((gobj), struct ast_bo, gem)
335294 
336
-static inline struct ast_bo *
337
-ast_bo(struct ttm_buffer_object *bo)
338
-{
339
-	return container_of(bo, struct ast_bo, bo);
340
-}
295
+#define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base)
341296 
342
-
343
-#define to_ast_obj(x) container_of(x, struct ast_gem_object, base)
297
+int ast_mode_config_init(struct ast_private *ast);
344298 
345299 #define AST_MM_ALIGN_SHIFT 4
346300 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
347301 
348
-extern int ast_dumb_create(struct drm_file *file,
349
-			   struct drm_device *dev,
350
-			   struct drm_mode_create_dumb *args);
302
+#define AST_DP501_FW_VERSION_MASK	GENMASK(7, 4)
303
+#define AST_DP501_FW_VERSION_1		BIT(4)
304
+#define AST_DP501_PNP_CONNECTED		BIT(1)
351305 
352
-extern void ast_gem_free_object(struct drm_gem_object *obj);
353
-extern int ast_dumb_mmap_offset(struct drm_file *file,
354
-				struct drm_device *dev,
355
-				uint32_t handle,
356
-				uint64_t *offset);
306
+#define AST_DP501_DEFAULT_DCLK	65
357307 
358
-#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
308
+#define AST_DP501_GBL_VERSION	0xf000
309
+#define AST_DP501_PNPMONITOR	0xf010
310
+#define AST_DP501_LINKRATE	0xf014
311
+#define AST_DP501_EDID_DATA	0xf020
359312 
360313 int ast_mm_init(struct ast_private *ast);
361
-void ast_mm_fini(struct ast_private *ast);
362
-
363
-int ast_bo_create(struct drm_device *dev, int size, int align,
364
-		  uint32_t flags, struct ast_bo **pastbo);
365
-
366
-int ast_gem_create(struct drm_device *dev,
367
-		   u32 size, bool iskernel,
368
-		   struct drm_gem_object **obj);
369
-
370
-int ast_bo_pin(struct ast_bo *bo, u32 pl_flag, u64 *gpu_addr);
371
-int ast_bo_unpin(struct ast_bo *bo);
372
-
373
-static inline int ast_bo_reserve(struct ast_bo *bo, bool no_wait)
374
-{
375
-	int ret;
376
-
377
-	ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL);
378
-	if (ret) {
379
-		if (ret != -ERESTARTSYS && ret != -EBUSY)
380
-			DRM_ERROR("reserve failed %p\n", bo);
381
-		return ret;
382
-	}
383
-	return 0;
384
-}
385
-
386
-static inline void ast_bo_unreserve(struct ast_bo *bo)
387
-{
388
-	ttm_bo_unreserve(&bo->bo);
389
-}
390
-
391
-void ast_ttm_placement(struct ast_bo *bo, int domain);
392
-int ast_bo_push_sysram(struct ast_bo *bo);
393
-int ast_mmap(struct file *filp, struct vm_area_struct *vma);
394314 
395315 /* ast post */
396316 void ast_enable_vga(struct drm_device *dev);
....@@ -405,5 +325,13 @@
405325 bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
406326 u8 ast_get_dp501_max_clk(struct drm_device *dev);
407327 void ast_init_3rdtx(struct drm_device *dev);
408
-void ast_release_firmware(struct drm_device *dev);
328
+
329
+/* ast_cursor.c */
330
+int ast_cursor_init(struct ast_private *ast);
331
+int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb);
332
+void ast_cursor_page_flip(struct ast_private *ast);
333
+void ast_cursor_show(struct ast_private *ast, int x, int y,
334
+		     unsigned int offset_x, unsigned int offset_y);
335
+void ast_cursor_hide(struct ast_private *ast);
336
+
409337 #endif