From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/ast/ast_drv.h | 248 +++++++++++++++++--------------------------------
1 files changed, 88 insertions(+), 160 deletions(-)
diff --git a/kernel/drivers/gpu/drm/ast/ast_drv.h b/kernel/drivers/gpu/drm/ast/ast_drv.h
index e6c4cd3..b68b1dd 100644
--- a/kernel/drivers/gpu/drm/ast/ast_drv.h
+++ b/kernel/drivers/gpu/drm/ast/ast_drv.h
@@ -28,19 +28,17 @@
#ifndef __AST_DRV_H__
#define __AST_DRV_H__
-#include <drm/drm_encoder.h>
-#include <drm/drm_fb_helper.h>
-
-#include <drm/ttm/ttm_bo_api.h>
-#include <drm/ttm/ttm_bo_driver.h>
-#include <drm/ttm/ttm_placement.h>
-#include <drm/ttm/ttm_memory.h>
-#include <drm/ttm/ttm_module.h>
-
-#include <drm/drm_gem.h>
-
+#include <linux/types.h>
+#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
+
+#include <drm/drm_connector.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_encoder.h>
+#include <drm/drm_mode.h>
+#include <drm/drm_framebuffer.h>
+#include <drm/drm_fb_helper.h>
#define DRIVER_AUTHOR "Dave Airlie"
@@ -54,7 +52,6 @@
#define PCI_CHIP_AST2000 0x2000
#define PCI_CHIP_AST2100 0x2010
-#define PCI_CHIP_AST1180 0x1180
enum ast_chip {
@@ -66,7 +63,6 @@
AST2300,
AST2400,
AST2500,
- AST1180,
};
enum ast_tx_chip {
@@ -84,37 +80,68 @@
#define AST_DRAM_4Gx16 7
#define AST_DRAM_8Gx16 8
-struct ast_fbdev;
+
+#define AST_MAX_HWC_WIDTH 64
+#define AST_MAX_HWC_HEIGHT 64
+
+#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2)
+#define AST_HWC_SIGNATURE_SIZE 32
+
+#define AST_DEFAULT_HWC_NUM 2
+
+/* define for signature structure */
+#define AST_HWC_SIGNATURE_CHECKSUM 0x00
+#define AST_HWC_SIGNATURE_SizeX 0x04
+#define AST_HWC_SIGNATURE_SizeY 0x08
+#define AST_HWC_SIGNATURE_X 0x0C
+#define AST_HWC_SIGNATURE_Y 0x10
+#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
+#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
+
+struct ast_i2c_chan {
+ struct i2c_adapter adapter;
+ struct drm_device *dev;
+ struct i2c_algo_bit_data bit;
+};
+
+struct ast_connector {
+ struct drm_connector base;
+ struct ast_i2c_chan *i2c;
+};
+
+static inline struct ast_connector *
+to_ast_connector(struct drm_connector *connector)
+{
+ return container_of(connector, struct ast_connector, base);
+}
struct ast_private {
- struct drm_device *dev;
+ struct drm_device base;
void __iomem *regs;
void __iomem *ioregs;
+ void __iomem *dp501_fw_buf;
enum ast_chip chip;
bool vga2_clone;
uint32_t dram_bus_width;
uint32_t dram_type;
uint32_t mclk;
- uint32_t vram_size;
-
- struct ast_fbdev *fbdev;
int fb_mtrr;
struct {
- struct drm_global_reference mem_global_ref;
- struct ttm_bo_global_ref bo_global_ref;
- struct ttm_bo_device bdev;
- } ttm;
+ struct drm_gem_vram_object *gbo[AST_DEFAULT_HWC_NUM];
+ void __iomem *vaddr[AST_DEFAULT_HWC_NUM];
+ unsigned int next_index;
+ } cursor;
- struct drm_gem_object *cursor_cache;
- uint64_t cursor_cache_gpu_addr;
- /* Acces to this cache is protected by the crtc->mutex of the only crtc
- * we have. */
- struct ttm_bo_kmap_obj cache_kmap;
- int next_cursor;
+ struct drm_plane primary_plane;
+ struct drm_plane cursor_plane;
+ struct drm_crtc crtc;
+ struct drm_encoder encoder;
+ struct ast_connector connector;
+
bool support_wide_screen;
enum {
ast_use_p2a,
@@ -128,10 +155,14 @@
const struct firmware *dp501_fw; /* dp501 fw */
};
-int ast_driver_load(struct drm_device *dev, unsigned long flags);
-void ast_driver_unload(struct drm_device *dev);
+static inline struct ast_private *to_ast_private(struct drm_device *dev)
+{
+ return container_of(dev, struct ast_private, base);
+}
-struct ast_gem_object;
+struct ast_private *ast_device_create(struct drm_driver *drv,
+ struct pci_dev *pdev,
+ unsigned long flags);
#define AST_IO_AR_PORT_WRITE (0x40)
#define AST_IO_MISC_PORT_WRITE (0x42)
@@ -146,6 +177,8 @@
#define AST_IO_MISC_PORT_READ (0x4C)
#define AST_IO_MM_OFFSET (0x380)
+
+#define AST_IO_VGAIR1_VREFRESH BIT(3)
#define __ast_read(x) \
static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
@@ -215,66 +248,6 @@
#define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
-#define AST_MAX_HWC_WIDTH 64
-#define AST_MAX_HWC_HEIGHT 64
-
-#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2)
-#define AST_HWC_SIGNATURE_SIZE 32
-
-#define AST_DEFAULT_HWC_NUM 2
-/* define for signature structure */
-#define AST_HWC_SIGNATURE_CHECKSUM 0x00
-#define AST_HWC_SIGNATURE_SizeX 0x04
-#define AST_HWC_SIGNATURE_SizeY 0x08
-#define AST_HWC_SIGNATURE_X 0x0C
-#define AST_HWC_SIGNATURE_Y 0x10
-#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
-#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
-
-
-struct ast_i2c_chan {
- struct i2c_adapter adapter;
- struct drm_device *dev;
- struct i2c_algo_bit_data bit;
-};
-
-struct ast_connector {
- struct drm_connector base;
- struct ast_i2c_chan *i2c;
-};
-
-struct ast_crtc {
- struct drm_crtc base;
- struct drm_gem_object *cursor_bo;
- uint64_t cursor_addr;
- int cursor_width, cursor_height;
- u8 offset_x, offset_y;
-};
-
-struct ast_encoder {
- struct drm_encoder base;
-};
-
-struct ast_framebuffer {
- struct drm_framebuffer base;
- struct drm_gem_object *obj;
-};
-
-struct ast_fbdev {
- struct drm_fb_helper helper;
- struct ast_framebuffer afb;
- void *sysram;
- int size;
- struct ttm_bo_kmap_obj mapping;
- int x1, y1, x2, y2; /* dirty rect */
- spinlock_t dirty_lock;
-};
-
-#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
-#define to_ast_connector(x) container_of(x, struct ast_connector, base)
-#define to_ast_encoder(x) container_of(x, struct ast_encoder, base)
-#define to_ast_framebuffer(x) container_of(x, struct ast_framebuffer, base)
-
struct ast_vbios_stdtable {
u8 misc;
u8 seq[4];
@@ -310,87 +283,34 @@
const struct ast_vbios_enhtable *enh_table;
};
-extern int ast_mode_init(struct drm_device *dev);
-extern void ast_mode_fini(struct drm_device *dev);
+struct ast_crtc_state {
+ struct drm_crtc_state base;
-int ast_framebuffer_init(struct drm_device *dev,
- struct ast_framebuffer *ast_fb,
- const struct drm_mode_fb_cmd2 *mode_cmd,
- struct drm_gem_object *obj);
+ /* Last known format of primary plane */
+ const struct drm_format_info *format;
-int ast_fbdev_init(struct drm_device *dev);
-void ast_fbdev_fini(struct drm_device *dev);
-void ast_fbdev_set_suspend(struct drm_device *dev, int state);
-void ast_fbdev_set_base(struct ast_private *ast, unsigned long gpu_addr);
-
-struct ast_bo {
- struct ttm_buffer_object bo;
- struct ttm_placement placement;
- struct ttm_bo_kmap_obj kmap;
- struct drm_gem_object gem;
- struct ttm_place placements[3];
- int pin_count;
+ struct ast_vbios_mode_info vbios_mode_info;
};
-#define gem_to_ast_bo(gobj) container_of((gobj), struct ast_bo, gem)
-static inline struct ast_bo *
-ast_bo(struct ttm_buffer_object *bo)
-{
- return container_of(bo, struct ast_bo, bo);
-}
+#define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base)
-
-#define to_ast_obj(x) container_of(x, struct ast_gem_object, base)
+int ast_mode_config_init(struct ast_private *ast);
#define AST_MM_ALIGN_SHIFT 4
#define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
-extern int ast_dumb_create(struct drm_file *file,
- struct drm_device *dev,
- struct drm_mode_create_dumb *args);
+#define AST_DP501_FW_VERSION_MASK GENMASK(7, 4)
+#define AST_DP501_FW_VERSION_1 BIT(4)
+#define AST_DP501_PNP_CONNECTED BIT(1)
-extern void ast_gem_free_object(struct drm_gem_object *obj);
-extern int ast_dumb_mmap_offset(struct drm_file *file,
- struct drm_device *dev,
- uint32_t handle,
- uint64_t *offset);
+#define AST_DP501_DEFAULT_DCLK 65
-#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
+#define AST_DP501_GBL_VERSION 0xf000
+#define AST_DP501_PNPMONITOR 0xf010
+#define AST_DP501_LINKRATE 0xf014
+#define AST_DP501_EDID_DATA 0xf020
int ast_mm_init(struct ast_private *ast);
-void ast_mm_fini(struct ast_private *ast);
-
-int ast_bo_create(struct drm_device *dev, int size, int align,
- uint32_t flags, struct ast_bo **pastbo);
-
-int ast_gem_create(struct drm_device *dev,
- u32 size, bool iskernel,
- struct drm_gem_object **obj);
-
-int ast_bo_pin(struct ast_bo *bo, u32 pl_flag, u64 *gpu_addr);
-int ast_bo_unpin(struct ast_bo *bo);
-
-static inline int ast_bo_reserve(struct ast_bo *bo, bool no_wait)
-{
- int ret;
-
- ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL);
- if (ret) {
- if (ret != -ERESTARTSYS && ret != -EBUSY)
- DRM_ERROR("reserve failed %p\n", bo);
- return ret;
- }
- return 0;
-}
-
-static inline void ast_bo_unreserve(struct ast_bo *bo)
-{
- ttm_bo_unreserve(&bo->bo);
-}
-
-void ast_ttm_placement(struct ast_bo *bo, int domain);
-int ast_bo_push_sysram(struct ast_bo *bo);
-int ast_mmap(struct file *filp, struct vm_area_struct *vma);
/* ast post */
void ast_enable_vga(struct drm_device *dev);
@@ -405,5 +325,13 @@
bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
u8 ast_get_dp501_max_clk(struct drm_device *dev);
void ast_init_3rdtx(struct drm_device *dev);
-void ast_release_firmware(struct drm_device *dev);
+
+/* ast_cursor.c */
+int ast_cursor_init(struct ast_private *ast);
+int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb);
+void ast_cursor_page_flip(struct ast_private *ast);
+void ast_cursor_show(struct ast_private *ast, int x, int y,
+ unsigned int offset_x, unsigned int offset_y);
+void ast_cursor_hide(struct ast_private *ast);
+
#endif
--
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