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path: root/drivers/gpu/drm/ast
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-rw-r--r--drivers/gpu/drm/ast/Makefile3
-rw-r--r--drivers/gpu/drm/ast/ast_cursor.c289
-rw-r--r--drivers/gpu/drm/ast/ast_drv.h19
-rw-r--r--drivers/gpu/drm/ast/ast_main.c35
-rw-r--r--drivers/gpu/drm/ast/ast_mode.c322
5 files changed, 359 insertions, 309 deletions
diff --git a/drivers/gpu/drm/ast/Makefile b/drivers/gpu/drm/ast/Makefile
index 561f7c4199e4..6a5b3b247316 100644
--- a/drivers/gpu/drm/ast/Makefile
+++ b/drivers/gpu/drm/ast/Makefile
@@ -3,6 +3,7 @@
# Makefile for the drm device driver. This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
-ast-y := ast_drv.o ast_main.o ast_mode.o ast_ttm.o ast_post.o ast_dp501.o
+ast-y := ast_cursor.o ast_drv.o ast_main.o ast_mode.o ast_ttm.o ast_post.o \
+ ast_dp501.o
obj-$(CONFIG_DRM_AST) := ast.o
diff --git a/drivers/gpu/drm/ast/ast_cursor.c b/drivers/gpu/drm/ast/ast_cursor.c
new file mode 100644
index 000000000000..acf0d23514e8
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_cursor.c
@@ -0,0 +1,289 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ * Parts based on xf86-video-ast
+ * Copyright (c) 2005 ASPEED Technology 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 <drm/drm_gem_vram_helper.h>
+#include <drm/drm_managed.h>
+
+#include "ast_drv.h"
+
+static void ast_cursor_fini(struct ast_private *ast)
+{
+ size_t i;
+ struct drm_gem_vram_object *gbo;
+
+ for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) {
+ gbo = ast->cursor.gbo[i];
+ drm_gem_vram_vunmap(gbo, ast->cursor.vaddr[i]);
+ drm_gem_vram_unpin(gbo);
+ drm_gem_vram_put(gbo);
+ }
+}
+
+static void ast_cursor_release(struct drm_device *dev, void *ptr)
+{
+ struct ast_private *ast = dev->dev_private;
+
+ ast_cursor_fini(ast);
+}
+
+/*
+ * Allocate cursor BOs and pins them at the end of VRAM.
+ */
+int ast_cursor_init(struct ast_private *ast)
+{
+ struct drm_device *dev = ast->dev;
+ size_t size, i;
+ struct drm_gem_vram_object *gbo;
+ void __iomem *vaddr;
+ int ret;
+
+ size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE);
+
+ for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) {
+ gbo = drm_gem_vram_create(dev, size, 0);
+ if (IS_ERR(gbo)) {
+ ret = PTR_ERR(gbo);
+ goto err_drm_gem_vram_put;
+ }
+ ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM |
+ DRM_GEM_VRAM_PL_FLAG_TOPDOWN);
+ if (ret) {
+ drm_gem_vram_put(gbo);
+ goto err_drm_gem_vram_put;
+ }
+ vaddr = drm_gem_vram_vmap(gbo);
+ if (IS_ERR(vaddr)) {
+ ret = PTR_ERR(vaddr);
+ drm_gem_vram_unpin(gbo);
+ drm_gem_vram_put(gbo);
+ goto err_drm_gem_vram_put;
+ }
+
+ ast->cursor.gbo[i] = gbo;
+ ast->cursor.vaddr[i] = vaddr;
+ }
+
+ return drmm_add_action_or_reset(dev, ast_cursor_release, NULL);
+
+err_drm_gem_vram_put:
+ while (i) {
+ --i;
+ gbo = ast->cursor.gbo[i];
+ drm_gem_vram_vunmap(gbo, ast->cursor.vaddr[i]);
+ drm_gem_vram_unpin(gbo);
+ drm_gem_vram_put(gbo);
+ }
+ return ret;
+}
+
+static void update_cursor_image(u8 __iomem *dst, const u8 *src, int width, int height)
+{
+ union {
+ u32 ul;
+ u8 b[4];
+ } srcdata32[2], data32;
+ union {
+ u16 us;
+ u8 b[2];
+ } data16;
+ u32 csum = 0;
+ s32 alpha_dst_delta, last_alpha_dst_delta;
+ u8 __iomem *dstxor;
+ const u8 *srcxor;
+ int i, j;
+ u32 per_pixel_copy, two_pixel_copy;
+
+ alpha_dst_delta = AST_MAX_HWC_WIDTH << 1;
+ last_alpha_dst_delta = alpha_dst_delta - (width << 1);
+
+ srcxor = src;
+ dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta;
+ per_pixel_copy = width & 1;
+ two_pixel_copy = width >> 1;
+
+ for (j = 0; j < height; j++) {
+ for (i = 0; i < two_pixel_copy; i++) {
+ srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
+ srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0;
+ data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
+ data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
+ data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4);
+ data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4);
+
+ writel(data32.ul, dstxor);
+ csum += data32.ul;
+
+ dstxor += 4;
+ srcxor += 8;
+
+ }
+
+ for (i = 0; i < per_pixel_copy; i++) {
+ srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
+ data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
+ data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
+ writew(data16.us, dstxor);
+ csum += (u32)data16.us;
+
+ dstxor += 2;
+ srcxor += 4;
+ }
+ dstxor += last_alpha_dst_delta;
+ }
+
+ /* write checksum + signature */
+ dst += AST_HWC_SIZE;
+ writel(csum, dst);
+ writel(width, dst + AST_HWC_SIGNATURE_SizeX);
+ writel(height, dst + AST_HWC_SIGNATURE_SizeY);
+ writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX);
+ writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY);
+}
+
+int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb)
+{
+ struct drm_device *dev = ast->dev;
+ struct drm_gem_vram_object *gbo;
+ int ret;
+ void *src;
+ void __iomem *dst;
+
+ if (drm_WARN_ON_ONCE(dev, fb->width > AST_MAX_HWC_WIDTH) ||
+ drm_WARN_ON_ONCE(dev, fb->height > AST_MAX_HWC_HEIGHT))
+ return -EINVAL;
+
+ gbo = drm_gem_vram_of_gem(fb->obj[0]);
+
+ ret = drm_gem_vram_pin(gbo, 0);
+ if (ret)
+ return ret;
+ src = drm_gem_vram_vmap(gbo);
+ if (IS_ERR(src)) {
+ ret = PTR_ERR(src);
+ goto err_drm_gem_vram_unpin;
+ }
+
+ dst = ast->cursor.vaddr[ast->cursor.next_index];
+
+ /* do data transfer to cursor BO */
+ update_cursor_image(dst, src, fb->width, fb->height);
+
+ drm_gem_vram_vunmap(gbo, src);
+ drm_gem_vram_unpin(gbo);
+
+ return 0;
+
+err_drm_gem_vram_unpin:
+ drm_gem_vram_unpin(gbo);
+ return ret;
+}
+
+static void ast_cursor_set_base(struct ast_private *ast, u64 address)
+{
+ u8 addr0 = (address >> 3) & 0xff;
+ u8 addr1 = (address >> 11) & 0xff;
+ u8 addr2 = (address >> 19) & 0xff;
+
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2);
+}
+
+void ast_cursor_page_flip(struct ast_private *ast)
+{
+ struct drm_device *dev = ast->dev;
+ struct drm_gem_vram_object *gbo;
+ s64 off;
+
+ gbo = ast->cursor.gbo[ast->cursor.next_index];
+
+ off = drm_gem_vram_offset(gbo);
+ if (drm_WARN_ON_ONCE(dev, off < 0))
+ return; /* Bug: we didn't pin the cursor HW BO to VRAM. */
+
+ ast_cursor_set_base(ast, off);
+
+ ++ast->cursor.next_index;
+ ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo);
+}
+
+static void ast_cursor_set_location(struct ast_private *ast, u16 x, u16 y,
+ u8 x_offset, u8 y_offset)
+{
+ u8 x0 = (x & 0x00ff);
+ u8 x1 = (x & 0x0f00) >> 8;
+ u8 y0 = (y & 0x00ff);
+ u8 y1 = (y & 0x0700) >> 8;
+
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, x0);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, x1);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, y0);
+ ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, y1);
+}
+
+void ast_cursor_show(struct ast_private *ast, int x, int y,
+ unsigned int offset_x, unsigned int offset_y)
+{
+ u8 x_offset, y_offset;
+ u8 __iomem *dst, __iomem *sig;
+ u8 jreg;
+
+ dst = ast->cursor.vaddr[ast->cursor.next_index];
+
+ sig = dst + AST_HWC_SIZE;
+ writel(x, sig + AST_HWC_SIGNATURE_X);
+ writel(y, sig + AST_HWC_SIGNATURE_Y);
+
+ if (x < 0) {
+ x_offset = (-x) + offset_x;
+ x = 0;
+ } else {
+ x_offset = offset_x;
+ }
+ if (y < 0) {
+ y_offset = (-y) + offset_y;
+ y = 0;
+ } else {
+ y_offset = offset_y;
+ }
+
+ ast_cursor_set_location(ast, x, y, x_offset, y_offset);
+
+ /* dummy write to fire HWC */
+ jreg = 0x02 |
+ 0x01; /* enable ARGB4444 cursor */
+ ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg);
+}
+
+void ast_cursor_hide(struct ast_private *ast)
+{
+ ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00);
+}
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index c44c1376c697..c8c442e9efdc 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -116,6 +116,7 @@ struct ast_private {
struct {
struct drm_gem_vram_object *gbo[AST_DEFAULT_HWC_NUM];
+ void __iomem *vaddr[AST_DEFAULT_HWC_NUM];
unsigned int next_index;
} cursor;
@@ -237,12 +238,6 @@ struct ast_connector {
struct ast_i2c_chan *i2c;
};
-struct ast_crtc {
- struct drm_crtc base;
- u8 offset_x, offset_y;
-};
-
-#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
#define to_ast_connector(x) container_of(x, struct ast_connector, base)
struct ast_vbios_stdtable {
@@ -291,8 +286,7 @@ struct ast_crtc_state {
#define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base)
-extern int ast_mode_init(struct drm_device *dev);
-extern void ast_mode_fini(struct drm_device *dev);
+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)
@@ -314,4 +308,13 @@ 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
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 2eab19a9056f..860a43a64b31 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -31,7 +31,6 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_gem.h>
-#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_gem_vram_helper.h>
#include "ast_drv.h"
@@ -379,13 +378,6 @@ static int ast_get_dram_info(struct drm_device *dev)
return 0;
}
-static const struct drm_mode_config_funcs ast_mode_funcs = {
- .fb_create = drm_gem_fb_create,
- .mode_valid = drm_vram_helper_mode_valid,
- .atomic_check = drm_atomic_helper_check,
- .atomic_commit = drm_atomic_helper_commit,
-};
-
static u32 ast_get_vram_info(struct drm_device *dev)
{
struct ast_private *ast = to_ast_private(dev);
@@ -473,33 +465,10 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags)
if (ret)
goto out_free;
- drm_mode_config_init(dev);
-
- dev->mode_config.funcs = (void *)&ast_mode_funcs;
- dev->mode_config.min_width = 0;
- dev->mode_config.min_height = 0;
- dev->mode_config.preferred_depth = 24;
- dev->mode_config.prefer_shadow = 1;
- dev->mode_config.fb_base = pci_resource_start(ast->dev->pdev, 0);
-
- if (ast->chip == AST2100 ||
- ast->chip == AST2200 ||
- ast->chip == AST2300 ||
- ast->chip == AST2400 ||
- ast->chip == AST2500) {
- dev->mode_config.max_width = 1920;
- dev->mode_config.max_height = 2048;
- } else {
- dev->mode_config.max_width = 1600;
- dev->mode_config.max_height = 1200;
- }
-
- ret = ast_mode_init(dev);
+ ret = ast_mode_config_init(ast);
if (ret)
goto out_free;
- drm_mode_config_reset(dev);
-
return 0;
out_free:
kfree(ast);
@@ -516,8 +485,6 @@ void ast_driver_unload(struct drm_device *dev)
ast_release_firmware(dev);
kfree(ast->dp501_fw_addr);
- ast_mode_fini(dev);
- drm_mode_config_cleanup(dev);
ast_mm_fini(ast);
kfree(ast);
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 510ffb497344..154cd877d9d1 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -37,6 +37,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_gem_vram_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_probe_helper.h>
@@ -47,16 +48,6 @@
static struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev);
static void ast_i2c_destroy(struct ast_i2c_chan *i2c);
-static int ast_cursor_move(struct drm_crtc *crtc,
- int x, int y);
-
-
-static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height);
-static int ast_cursor_update(void *dst, void *src, unsigned int width,
- unsigned int height);
-static void ast_cursor_set_base(struct ast_private *ast, u64 address);
-static int ast_cursor_move(struct drm_crtc *crtc,
- int x, int y);
static inline void ast_load_palette_index(struct ast_private *ast,
u8 index, u8 red, u8 green,
@@ -621,56 +612,21 @@ static int
ast_cursor_plane_helper_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *new_state)
{
- struct drm_device *dev = plane->dev;
struct drm_framebuffer *fb = new_state->fb;
struct drm_crtc *crtc = new_state->crtc;
- struct drm_gem_vram_object *gbo;
struct ast_private *ast;
int ret;
- void *src, *dst;
if (!crtc || !fb)
return 0;
- if (drm_WARN_ON_ONCE(dev, fb->width > AST_MAX_HWC_WIDTH) ||
- drm_WARN_ON_ONCE(dev, fb->height > AST_MAX_HWC_HEIGHT))
- return -EINVAL; /* BUG: didn't test in atomic_check() */
-
- ast = to_ast_private(dev);
-
- gbo = drm_gem_vram_of_gem(fb->obj[0]);
- src = drm_gem_vram_vmap(gbo);
- if (IS_ERR(src)) {
- ret = PTR_ERR(src);
- goto err_drm_gem_vram_unpin;
- }
-
- dst = drm_gem_vram_vmap(ast->cursor.gbo[ast->cursor.next_index]);
- if (IS_ERR(dst)) {
- ret = PTR_ERR(dst);
- goto err_drm_gem_vram_vunmap_src;
- }
+ ast = to_ast_private(plane->dev);
- ret = ast_cursor_update(dst, src, fb->width, fb->height);
+ ret = ast_cursor_blit(ast, fb);
if (ret)
- goto err_drm_gem_vram_vunmap_dst;
-
- /* Always unmap buffers here. Destination buffers are
- * perma-pinned while the driver is active. We're only
- * changing ref-counters here.
- */
- drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst);
- drm_gem_vram_vunmap(gbo, src);
+ return ret;
return 0;
-
-err_drm_gem_vram_vunmap_dst:
- drm_gem_vram_vunmap(ast->cursor.gbo[ast->cursor.next_index], dst);
-err_drm_gem_vram_vunmap_src:
- drm_gem_vram_vunmap(gbo, src);
-err_drm_gem_vram_unpin:
- drm_gem_vram_unpin(gbo);
- return ret;
}
static int ast_cursor_plane_helper_atomic_check(struct drm_plane *plane,
@@ -705,37 +661,21 @@ static void
ast_cursor_plane_helper_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
- struct drm_device *dev = plane->dev;
struct drm_plane_state *state = plane->state;
- struct drm_crtc *crtc = state->crtc;
struct drm_framebuffer *fb = state->fb;
- struct ast_private *ast = to_ast_private(plane->dev);
- struct ast_crtc *ast_crtc = to_ast_crtc(crtc);
- struct drm_gem_vram_object *gbo;
- s64 off;
- u8 jreg;
+ struct ast_private *ast = plane->dev->dev_private;
+ unsigned int offset_x, offset_y;
- ast_crtc->offset_x = AST_MAX_HWC_WIDTH - fb->width;
- ast_crtc->offset_y = AST_MAX_HWC_WIDTH - fb->height;
+ offset_x = AST_MAX_HWC_WIDTH - fb->width;
+ offset_y = AST_MAX_HWC_WIDTH - fb->height;
if (state->fb != old_state->fb) {
/* A new cursor image was installed. */
- gbo = ast->cursor.gbo[ast->cursor.next_index];
- off = drm_gem_vram_offset(gbo);
- if (drm_WARN_ON_ONCE(dev, off < 0))
- return; /* Bug: we didn't pin cursor HW BO to VRAM. */
- ast_cursor_set_base(ast, off);
-
- ++ast->cursor.next_index;
- ast->cursor.next_index %= ARRAY_SIZE(ast->cursor.gbo);
+ ast_cursor_page_flip(ast);
}
- ast_cursor_move(crtc, state->crtc_x, state->crtc_y);
-
- jreg = 0x2;
- /* enable ARGB cursor */
- jreg |= 1;
- ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg);
+ ast_cursor_show(ast, state->crtc_x, state->crtc_y,
+ offset_x, offset_y);
}
static void
@@ -744,7 +684,7 @@ ast_cursor_plane_helper_atomic_disable(struct drm_plane *plane,
{
struct ast_private *ast = to_ast_private(plane->dev);
- ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, 0x00);
+ ast_cursor_hide(ast);
}
static const struct drm_plane_helper_funcs ast_cursor_plane_helper_funcs = {
@@ -942,21 +882,22 @@ static const struct drm_crtc_funcs ast_crtc_funcs = {
static int ast_crtc_init(struct drm_device *dev)
{
struct ast_private *ast = to_ast_private(dev);
- struct ast_crtc *crtc;
+ struct drm_crtc *crtc;
int ret;
- crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL);
+ crtc = kzalloc(sizeof(*crtc), GFP_KERNEL);
if (!crtc)
return -ENOMEM;
- ret = drm_crtc_init_with_planes(dev, &crtc->base, &ast->primary_plane,
+ ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane,
&ast->cursor_plane, &ast_crtc_funcs,
NULL);
if (ret)
goto err_kfree;
- drm_mode_crtc_set_gamma_size(&crtc->base, 256);
- drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs);
+ drm_mode_crtc_set_gamma_size(crtc, 256);
+ drm_crtc_helper_add(crtc, &ast_crtc_helper_funcs);
+
return 0;
err_kfree:
@@ -1129,62 +1070,48 @@ static int ast_connector_init(struct drm_device *dev)
return 0;
}
-/* allocate cursor cache and pin at start of VRAM */
-static int ast_cursor_init(struct drm_device *dev)
-{
- struct ast_private *ast = to_ast_private(dev);
- size_t size, i;
- struct drm_gem_vram_object *gbo;
- int ret;
-
- size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE);
-
- for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) {
- gbo = drm_gem_vram_create(dev, size, 0);
- if (IS_ERR(gbo)) {
- ret = PTR_ERR(gbo);
- goto err_drm_gem_vram_put;
- }
- ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM |
- DRM_GEM_VRAM_PL_FLAG_TOPDOWN);
- if (ret) {
- drm_gem_vram_put(gbo);
- goto err_drm_gem_vram_put;
- }
+/*
+ * Mode config
+ */
- ast->cursor.gbo[i] = gbo;
- }
+static const struct drm_mode_config_funcs ast_mode_config_funcs = {
+ .fb_create = drm_gem_fb_create,
+ .mode_valid = drm_vram_helper_mode_valid,
+ .atomic_check = drm_atomic_helper_check,
+ .atomic_commit = drm_atomic_helper_commit,
+};
- return 0;
+int ast_mode_config_init(struct ast_private *ast)
+{
+ struct drm_device *dev = ast->dev;
+ int ret;
-err_drm_gem_vram_put:
- while (i) {
- --i;
- gbo = ast->cursor.gbo[i];
- drm_gem_vram_unpin(gbo);
- drm_gem_vram_put(gbo);
- ast->cursor.gbo[i] = NULL;
- }
- return ret;
-}
+ ret = ast_cursor_init(ast);
+ if (ret)
+ return ret;
-static void ast_cursor_fini(struct drm_device *dev)
-{
- struct ast_private *ast = to_ast_private(dev);
- size_t i;
- struct drm_gem_vram_object *gbo;
+ ret = drmm_mode_config_init(dev);
+ if (ret)
+ return ret;
- for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) {
- gbo = ast->cursor.gbo[i];
- drm_gem_vram_unpin(gbo);
- drm_gem_vram_put(gbo);
+ dev->mode_config.funcs = &ast_mode_config_funcs;
+ dev->mode_config.min_width = 0;
+ dev->mode_config.min_height = 0;
+ dev->mode_config.preferred_depth = 24;
+ dev->mode_config.prefer_shadow = 1;
+ dev->mode_config.fb_base = pci_resource_start(ast->dev->pdev, 0);
+
+ if (ast->chip == AST2100 ||
+ ast->chip == AST2200 ||
+ ast->chip == AST2300 ||
+ ast->chip == AST2400 ||
+ ast->chip == AST2500) {
+ dev->mode_config.max_width = 1920;
+ dev->mode_config.max_height = 2048;
+ } else {
+ dev->mode_config.max_width = 1600;
+ dev->mode_config.max_height = 1200;
}
-}
-
-int ast_mode_init(struct drm_device *dev)
-{
- struct ast_private *ast = to_ast_private(dev);
- int ret;
memset(&ast->primary_plane, 0, sizeof(ast->primary_plane));
ret = drm_universal_plane_init(dev, &ast->primary_plane, 0x01,
@@ -1211,17 +1138,13 @@ int ast_mode_init(struct drm_device *dev)
drm_plane_helper_add(&ast->cursor_plane,
&ast_cursor_plane_helper_funcs);
- ast_cursor_init(dev);
ast_crtc_init(dev);
ast_encoder_init(dev);
ast_connector_init(dev);
- return 0;
-}
+ drm_mode_config_reset(dev);
-void ast_mode_fini(struct drm_device *dev)
-{
- ast_cursor_fini(dev);
+ return 0;
}
static int get_clock(void *i2c_priv)
@@ -1344,136 +1267,3 @@ static void ast_i2c_destroy(struct ast_i2c_chan *i2c)
i2c_del_adapter(&i2c->adapter);
kfree(i2c);
}
-
-static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height)
-{
- union {
- u32 ul;
- u8 b[4];
- } srcdata32[2], data32;
- union {
- u16 us;
- u8 b[2];
- } data16;
- u32 csum = 0;
- s32 alpha_dst_delta, last_alpha_dst_delta;
- u8 *srcxor, *dstxor;
- int i, j;
- u32 per_pixel_copy, two_pixel_copy;
-
- alpha_dst_delta = AST_MAX_HWC_WIDTH << 1;
- last_alpha_dst_delta = alpha_dst_delta - (width << 1);
-
- srcxor = src;
- dstxor = (u8 *)dst + last_alpha_dst_delta + (AST_MAX_HWC_HEIGHT - height) * alpha_dst_delta;
- per_pixel_copy = width & 1;
- two_pixel_copy = width >> 1;
-
- for (j = 0; j < height; j++) {
- for (i = 0; i < two_pixel_copy; i++) {
- srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
- srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0;
- data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
- data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
- data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4);
- data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4);
-
- writel(data32.ul, dstxor);
- csum += data32.ul;
-
- dstxor += 4;
- srcxor += 8;
-
- }
-
- for (i = 0; i < per_pixel_copy; i++) {
- srcdata32[0].ul = *((u32 *)srcxor) & 0xf0f0f0f0;
- data16.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
- data16.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
- writew(data16.us, dstxor);
- csum += (u32)data16.us;
-
- dstxor += 2;
- srcxor += 4;
- }
- dstxor += last_alpha_dst_delta;
- }
- return csum;
-}
-
-static int ast_cursor_update(void *dst, void *src, unsigned int width,
- unsigned int height)
-{
- u32 csum;
-
- /* do data transfer to cursor cache */
- csum = copy_cursor_image(src, dst, width, height);
-
- /* write checksum + signature */
- dst += AST_HWC_SIZE;
- writel(csum, dst);
- writel(width, dst + AST_HWC_SIGNATURE_SizeX);
- writel(height, dst + AST_HWC_SIGNATURE_SizeY);
- writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTX);
- writel(0, dst + AST_HWC_SIGNATURE_HOTSPOTY);
-
- return 0;
-}
-
-static void ast_cursor_set_base(struct ast_private *ast, u64 address)
-{
- u8 addr0 = (address >> 3) & 0xff;
- u8 addr1 = (address >> 11) & 0xff;
- u8 addr2 = (address >> 19) & 0xff;
-
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc8, addr0);
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc9, addr1);
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xca, addr2);
-}
-
-static int ast_cursor_move(struct drm_crtc *crtc,
- int x, int y)
-{
- struct ast_crtc *ast_crtc = to_ast_crtc(crtc);
- struct ast_private *ast = to_ast_private(crtc->dev);
- struct drm_gem_vram_object *gbo;
- int x_offset, y_offset;
- u8 *dst, *sig;
- u8 jreg;
-
- gbo = ast->cursor.gbo[ast->cursor.next_index];
- dst = drm_gem_vram_vmap(gbo);
- if (IS_ERR(dst))
- return PTR_ERR(dst);
-
- sig = dst + AST_HWC_SIZE;
- writel(x, sig + AST_HWC_SIGNATURE_X);
- writel(y, sig + AST_HWC_SIGNATURE_Y);
-
- x_offset = ast_crtc->offset_x;
- y_offset = ast_crtc->offset_y;
- if (x < 0) {
- x_offset = (-x) + ast_crtc->offset_x;
- x = 0;
- }
-
- if (y < 0) {
- y_offset = (-y) + ast_crtc->offset_y;
- y = 0;
- }
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc2, x_offset);
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc3, y_offset);
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc4, (x & 0xff));
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc5, ((x >> 8) & 0x0f));
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc6, (y & 0xff));
- ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xc7, ((y >> 8) & 0x07));
-
- /* dummy write to fire HWC */
- jreg = 0x02 |
- 0x01; /* enable ARGB4444 cursor */
- ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xcb, 0xfc, jreg);
-
- drm_gem_vram_vunmap(gbo, dst);
-
- return 0;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-03-27 10:40:56 +0000