From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/gpu/drm/mgag200/mgag200_drv.h | 239 ++++++++++++++++++++---------------------------------------
1 files changed, 82 insertions(+), 157 deletions(-)
diff --git a/kernel/drivers/gpu/drm/mgag200/mgag200_drv.h b/kernel/drivers/gpu/drm/mgag200/mgag200_drv.h
index 04f1dfb..d1b51c1 100644
--- a/kernel/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/kernel/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2010 Matt Turner.
- * Copyright 2012 Red Hat
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License version 2. See the file COPYING in the main
- * directory of this archive for more details.
+ * Copyright 2012 Red Hat
*
* Authors: Matthew Garrett
* Matt Turner
@@ -13,20 +10,16 @@
#ifndef __MGAG200_DRV_H__
#define __MGAG200_DRV_H__
+#include <linux/i2c-algo-bit.h>
+#include <linux/i2c.h>
+
#include <video/vga.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/i2c.h>
-#include <linux/i2c-algo-bit.h>
+#include <drm/drm_gem_shmem_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "mgag200_reg.h"
@@ -40,15 +33,31 @@
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 0
-#define MGAG200FB_CONN_LIMIT 1
-
#define RREG8(reg) ioread8(((void __iomem *)mdev->rmmio) + (reg))
#define WREG8(reg, v) iowrite8(v, ((void __iomem *)mdev->rmmio) + (reg))
#define RREG32(reg) ioread32(((void __iomem *)mdev->rmmio) + (reg))
#define WREG32(reg, v) iowrite32(v, ((void __iomem *)mdev->rmmio) + (reg))
+#define MGA_BIOS_OFFSET 0x7ffc
+
#define ATTR_INDEX 0x1fc0
#define ATTR_DATA 0x1fc1
+
+#define WREG_MISC(v) \
+ WREG8(MGA_MISC_OUT, v)
+
+#define RREG_MISC(v) \
+ ((v) = RREG8(MGA_MISC_IN))
+
+#define WREG_MISC_MASKED(v, mask) \
+ do { \
+ u8 misc_; \
+ u8 mask_ = (mask); \
+ RREG_MISC(misc_); \
+ misc_ &= ~mask_; \
+ misc_ |= ((v) & mask_); \
+ WREG_MISC(misc_); \
+ } while (0)
#define WREG_ATTR(reg, v) \
do { \
@@ -57,10 +66,22 @@
WREG8(ATTR_DATA, v); \
} while (0) \
+#define RREG_SEQ(reg, v) \
+ do { \
+ WREG8(MGAREG_SEQ_INDEX, reg); \
+ v = RREG8(MGAREG_SEQ_DATA); \
+ } while (0) \
+
#define WREG_SEQ(reg, v) \
do { \
WREG8(MGAREG_SEQ_INDEX, reg); \
WREG8(MGAREG_SEQ_DATA, v); \
+ } while (0) \
+
+#define RREG_CRT(reg, v) \
+ do { \
+ WREG8(MGAREG_CRTC_INDEX, reg); \
+ v = RREG8(MGAREG_CRTC_DATA); \
} while (0) \
#define WREG_CRT(reg, v) \
@@ -69,6 +90,11 @@
WREG8(MGAREG_CRTC_DATA, v); \
} while (0) \
+#define RREG_ECRT(reg, v) \
+ do { \
+ WREG8(MGAREG_CRTCEXT_INDEX, reg); \
+ v = RREG8(MGAREG_CRTCEXT_DATA); \
+ } while (0) \
#define WREG_ECRT(reg, v) \
do { \
@@ -100,45 +126,7 @@
#define MGAG200_MAX_FB_HEIGHT 4096
#define MGAG200_MAX_FB_WIDTH 4096
-#define MATROX_DPMS_CLEARED (-1)
-
-#define to_mga_crtc(x) container_of(x, struct mga_crtc, base)
-#define to_mga_encoder(x) container_of(x, struct mga_encoder, base)
#define to_mga_connector(x) container_of(x, struct mga_connector, base)
-#define to_mga_framebuffer(x) container_of(x, struct mga_framebuffer, base)
-
-struct mga_framebuffer {
- struct drm_framebuffer base;
- struct drm_gem_object *obj;
-};
-
-struct mga_fbdev {
- struct drm_fb_helper helper;
- struct mga_framebuffer mfb;
- void *sysram;
- int size;
- struct ttm_bo_kmap_obj mapping;
- int x1, y1, x2, y2; /* dirty rect */
- spinlock_t dirty_lock;
-};
-
-struct mga_crtc {
- struct drm_crtc base;
- u8 lut_r[256], lut_g[256], lut_b[256];
- int last_dpms;
- bool enabled;
-};
-
-struct mga_mode_info {
- bool mode_config_initialized;
- struct mga_crtc *crtc;
-};
-
-struct mga_encoder {
- struct drm_encoder base;
- int last_dpms;
-};
-
struct mga_i2c_chan {
struct i2c_adapter adapter;
@@ -152,22 +140,6 @@
struct mga_i2c_chan *i2c;
};
-struct mga_cursor {
- /*
- We have to have 2 buffers for the cursor to avoid occasional
- corruption while switching cursor icons.
- If either of these is NULL, then don't do hardware cursors, and
- fall back to software.
- */
- struct mgag200_bo *pixels_1;
- struct mgag200_bo *pixels_2;
- u64 pixels_1_gpu_addr, pixels_2_gpu_addr;
- /* The currently displayed icon, this points to one of pixels_1, or pixels_2 */
- struct mgag200_bo *pixels_current;
- /* The previously displayed icon */
- struct mgag200_bo *pixels_prev;
-};
-
struct mga_mc {
resource_size_t vram_size;
resource_size_t vram_base;
@@ -175,6 +147,8 @@
};
enum mga_type {
+ G200_PCI,
+ G200_AGP,
G200_SE_A,
G200_SE_B,
G200_WB,
@@ -185,10 +159,16 @@
G200_EW3,
};
+/* HW does not handle 'startadd' field correct. */
+#define MGAG200_FLAG_HW_BUG_NO_STARTADD (1ul << 8)
+
+#define MGAG200_TYPE_MASK (0x000000ff)
+#define MGAG200_FLAG_MASK (0x00ffff00)
+
#define IS_G200_SE(mdev) (mdev->type == G200_SE_A || mdev->type == G200_SE_B)
struct mga_device {
- struct drm_device *dev;
+ struct drm_device base;
unsigned long flags;
resource_size_t rmmio_base;
@@ -196,113 +176,58 @@
void __iomem *rmmio;
struct mga_mc mc;
- struct mga_mode_info mode_info;
- struct mga_fbdev *mfbdev;
- struct mga_cursor cursor;
+ void __iomem *vram;
+ size_t vram_fb_available;
- bool suspended;
- int num_crtc;
enum mga_type type;
- int has_sdram;
- struct drm_display_mode mode;
int bpp_shifts[4];
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;
+ union {
+ struct {
+ long ref_clk;
+ long pclk_min;
+ long pclk_max;
+ } g200;
+ struct {
+ /* SE model number stored in reg 0x1e24 */
+ u32 unique_rev_id;
+ } g200se;
+ } model;
- /* SE model number stored in reg 0x1e24 */
- u32 unique_rev_id;
+
+ struct mga_connector connector;
+ struct drm_simple_display_pipe display_pipe;
};
-
-struct mgag200_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;
-};
-#define gem_to_mga_bo(gobj) container_of((gobj), struct mgag200_bo, gem)
-
-static inline struct mgag200_bo *
-mgag200_bo(struct ttm_buffer_object *bo)
+static inline struct mga_device *to_mga_device(struct drm_device *dev)
{
- return container_of(bo, struct mgag200_bo, bo);
+ return container_of(dev, struct mga_device, base);
+}
+
+static inline enum mga_type
+mgag200_type_from_driver_data(kernel_ulong_t driver_data)
+{
+ return (enum mga_type)(driver_data & MGAG200_TYPE_MASK);
+}
+
+static inline unsigned long
+mgag200_flags_from_driver_data(kernel_ulong_t driver_data)
+{
+ return driver_data & MGAG200_FLAG_MASK;
}
/* mgag200_mode.c */
int mgag200_modeset_init(struct mga_device *mdev);
-void mgag200_modeset_fini(struct mga_device *mdev);
- /* mgag200_fb.c */
-int mgag200_fbdev_init(struct mga_device *mdev);
-void mgag200_fbdev_fini(struct mga_device *mdev);
-
- /* mgag200_main.c */
-int mgag200_framebuffer_init(struct drm_device *dev,
- struct mga_framebuffer *mfb,
- const struct drm_mode_fb_cmd2 *mode_cmd,
- struct drm_gem_object *obj);
-
-
-int mgag200_driver_load(struct drm_device *dev, unsigned long flags);
-void mgag200_driver_unload(struct drm_device *dev);
-int mgag200_gem_create(struct drm_device *dev,
- u32 size, bool iskernel,
- struct drm_gem_object **obj);
-int mgag200_dumb_create(struct drm_file *file,
- struct drm_device *dev,
- struct drm_mode_create_dumb *args);
-void mgag200_gem_free_object(struct drm_gem_object *obj);
-int
-mgag200_dumb_mmap_offset(struct drm_file *file,
- struct drm_device *dev,
- uint32_t handle,
- uint64_t *offset);
/* mgag200_i2c.c */
struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev);
void mgag200_i2c_destroy(struct mga_i2c_chan *i2c);
-#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
-void mgag200_ttm_placement(struct mgag200_bo *bo, int domain);
-
-static inline int mgag200_bo_reserve(struct mgag200_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 mgag200_bo_unreserve(struct mgag200_bo *bo)
-{
- ttm_bo_unreserve(&bo->bo);
-}
-
-int mgag200_bo_create(struct drm_device *dev, int size, int align,
- uint32_t flags, struct mgag200_bo **pastbo);
+ /* mgag200_mm.c */
int mgag200_mm_init(struct mga_device *mdev);
-void mgag200_mm_fini(struct mga_device *mdev);
-int mgag200_mmap(struct file *filp, struct vm_area_struct *vma);
-int mgag200_bo_pin(struct mgag200_bo *bo, u32 pl_flag, u64 *gpu_addr);
-int mgag200_bo_unpin(struct mgag200_bo *bo);
-int mgag200_bo_push_sysram(struct mgag200_bo *bo);
- /* mgag200_cursor.c */
-int mga_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
- uint32_t handle, uint32_t width, uint32_t height);
-int mga_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
#endif /* __MGAG200_DRV_H__ */
--
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