Move the modesetting code for the various transmitter chips into
their own source files before adding BMC support. No functional
changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Reviewed-by: Jocelyn Falempe <jfalempe@xxxxxxxxxx>
---
drivers/gpu/drm/ast/Makefile | 4 +-
drivers/gpu/drm/ast/ast_dp.c | 214 +++++++++++++-
drivers/gpu/drm/ast/ast_dp501.c | 141 ++++++++-
drivers/gpu/drm/ast/ast_drv.h | 17 +-
drivers/gpu/drm/ast/ast_mode.c | 471 -------------------------------
drivers/gpu/drm/ast/ast_sil164.c | 88 ++++++
drivers/gpu/drm/ast/ast_vga.c | 88 ++++++
7 files changed, 530 insertions(+), 493 deletions(-)
create mode 100644 drivers/gpu/drm/ast/ast_sil164.c
create mode 100644 drivers/gpu/drm/ast/ast_vga.c
diff --git a/drivers/gpu/drm/ast/Makefile b/drivers/gpu/drm/ast/Makefile
index d794c076bc24..47da848fa3fc 100644
--- a/drivers/gpu/drm/ast/Makefile
+++ b/drivers/gpu/drm/ast/Makefile
@@ -11,6 +11,8 @@ ast-y := \
ast_main.o \
ast_mm.o \
ast_mode.o \
- ast_post.o
+ ast_post.o \
+ ast_sil164.o \
+ ast_vga.o
obj-$(CONFIG_DRM_AST) := ast.o
diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c
index 5d07678b502c..ef2dd9d82de9 100644
--- a/drivers/gpu/drm/ast/ast_dp.c
+++ b/drivers/gpu/drm/ast/ast_dp.c
@@ -4,17 +4,23 @@
#include <linux/firmware.h>
#include <linux/delay.h>
+
+#include <drm/drm_atomic_state_helper.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+
#include "ast_drv.h"
-bool ast_astdp_is_connected(struct ast_device *ast)
+static bool ast_astdp_is_connected(struct ast_device *ast)
{
if (!ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xDF, AST_IO_VGACRDF_HPD))
return false;
return true;
}
-int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata)
+static int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata)
{
struct ast_device *ast = to_ast_device(dev);
int ret = 0;
@@ -120,7 +126,7 @@ int ast_dp_launch(struct ast_device *ast)
return 0;
}
-bool ast_dp_power_is_on(struct ast_device *ast)
+static bool ast_dp_power_is_on(struct ast_device *ast)
{
u8 vgacre3;
@@ -129,7 +135,7 @@ bool ast_dp_power_is_on(struct ast_device *ast)
return !(vgacre3 & AST_DP_PHY_SLEEP);
}
-void ast_dp_power_on_off(struct drm_device *dev, bool on)
+static void ast_dp_power_on_off(struct drm_device *dev, bool on)
{
struct ast_device *ast = to_ast_device(dev);
// Read and Turn off DP PHY sleep
@@ -143,7 +149,7 @@ void ast_dp_power_on_off(struct drm_device *dev, bool on)
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xE3, (u8) ~AST_DP_PHY_SLEEP, bE3);
}
-void ast_dp_link_training(struct ast_device *ast)
+static void ast_dp_link_training(struct ast_device *ast)
{
struct drm_device *dev = &ast->base;
unsigned int i = 10;
@@ -160,7 +166,7 @@ void ast_dp_link_training(struct ast_device *ast)
drm_err(dev, "Link training failed\n");
}
-void ast_dp_set_on_off(struct drm_device *dev, bool on)
+static void ast_dp_set_on_off(struct drm_device *dev, bool on)
{
struct ast_device *ast = to_ast_device(dev);
u8 video_on_off = on;
@@ -179,7 +185,7 @@ void ast_dp_set_on_off(struct drm_device *dev, bool on)
}
}
-void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode)
+static void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode)
{
struct ast_device *ast = to_ast_device(crtc->dev);
@@ -252,3 +258,197 @@ void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mo
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xE1, ASTDP_AND_CLEAR_MASK, ASTDP_MISC1);
ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xE2, ASTDP_AND_CLEAR_MASK, ModeIdx);
}
+
+static void ast_wait_for_vretrace(struct ast_device *ast)
+{
+ unsigned long timeout = jiffies + HZ;
+ u8 vgair1;
+
+ do {
+ vgair1 = ast_io_read8(ast, AST_IO_VGAIR1_R);
+ } while (!(vgair1 & AST_IO_VGAIR1_VREFRESH) && time_before(jiffies, timeout));
+}
+
+/*
+ * Encoder
+ */
+
+static const struct drm_encoder_funcs ast_astdp_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
+};
+
+static void ast_astdp_encoder_helper_atomic_mode_set(struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ struct drm_crtc *crtc = crtc_state->crtc;
+ struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state);
+ struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info;
+
+ ast_dp_set_mode(crtc, vbios_mode_info);
+}
+
+static void ast_astdp_encoder_helper_atomic_enable(struct drm_encoder *encoder,
+ struct drm_atomic_state *state)
+{
+ struct drm_device *dev = encoder->dev;
+ struct ast_device *ast = to_ast_device(dev);
+
+ ast_dp_power_on_off(dev, AST_DP_POWER_ON);
+ ast_dp_link_training(ast);
+
+ ast_wait_for_vretrace(ast);
+ ast_dp_set_on_off(dev, 1);
+}
+
+static void ast_astdp_encoder_helper_atomic_disable(struct drm_encoder *encoder,
+ struct drm_atomic_state *state)
+{
+ struct drm_device *dev = encoder->dev;
+
+ ast_dp_set_on_off(dev, 0);
+ ast_dp_power_on_off(dev, AST_DP_POWER_OFF);
+}
+
+static const struct drm_encoder_helper_funcs ast_astdp_encoder_helper_funcs = {
+ .atomic_mode_set = ast_astdp_encoder_helper_atomic_mode_set,
+ .atomic_enable = ast_astdp_encoder_helper_atomic_enable,
+ .atomic_disable = ast_astdp_encoder_helper_atomic_disable,
+};
+
+/*
+ * Connector
+ */
+
+static int ast_astdp_connector_helper_get_modes(struct drm_connector *connector)
+{
+ void *edid;
+ struct drm_device *dev = connector->dev;
+ struct ast_device *ast = to_ast_device(dev);
+
+ int succ;
+ int count;
+
+ edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
+ if (!edid)
+ goto err_drm_connector_update_edid_property;
+
+ /*
+ * Protect access to I/O registers from concurrent modesetting
+ * by acquiring the I/O-register lock.
+ */
+ mutex_lock(&ast->modeset_lock);
+
+ succ = ast_astdp_read_edid(connector->dev, edid);
+ if (succ < 0)
+ goto err_mutex_unlock;
+
+ mutex_unlock(&ast->modeset_lock);
+
+ drm_connector_update_edid_property(connector, edid);
+ count = drm_add_edid_modes(connector, edid);
+ kfree(edid);
+
+ return count;
+
+err_mutex_unlock:
+ mutex_unlock(&ast->modeset_lock);
+ kfree(edid);
+err_drm_connector_update_edid_property:
+ drm_connector_update_edid_property(connector, NULL);
+ return 0;
+}
+
+static int ast_astdp_connector_helper_detect_ctx(struct drm_connector *connector,
+ struct drm_modeset_acquire_ctx *ctx,
+ bool force)
+{
+ struct drm_device *dev = connector->dev;
+ struct ast_device *ast = to_ast_device(connector->dev);
+ enum drm_connector_status status = connector_status_disconnected;
+ struct drm_connector_state *connector_state = connector->state;
+ bool is_active = false;
+
+ mutex_lock(&ast->modeset_lock);
+
+ if (connector_state && connector_state->crtc) {
+ struct drm_crtc_state *crtc_state = connector_state->crtc->state;
+
+ if (crtc_state && crtc_state->active)
+ is_active = true;
+ }
+
+ if (!is_active && !ast_dp_power_is_on(ast)) {
+ ast_dp_power_on_off(dev, true);
+ msleep(50);
+ }
+
+ if (ast_astdp_is_connected(ast))
+ status = connector_status_connected;
+
+ if (!is_active && status == connector_status_disconnected)
+ ast_dp_power_on_off(dev, false);
+
+ mutex_unlock(&ast->modeset_lock);
+
+ return status;
+}
+
+static const struct drm_connector_helper_funcs ast_astdp_connector_helper_funcs = {
+ .get_modes = ast_astdp_connector_helper_get_modes,
+ .detect_ctx = ast_astdp_connector_helper_detect_ctx,
+};
+
+static const struct drm_connector_funcs ast_astdp_connector_funcs = {
+ .reset = drm_atomic_helper_connector_reset,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = drm_connector_cleanup,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int ast_astdp_connector_init(struct drm_device *dev, struct drm_connector *connector)
+{
+ int ret;
+
+ ret = drm_connector_init(dev, connector, &ast_astdp_connector_funcs,
+ DRM_MODE_CONNECTOR_DisplayPort);
+ if (ret)
+ return ret;
+
+ drm_connector_helper_add(connector, &ast_astdp_connector_helper_funcs);
+
+ connector->interlace_allowed = 0;
+ connector->doublescan_allowed = 0;
+
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
+
+ return 0;
+}
+
+int ast_astdp_output_init(struct ast_device *ast)
+{
+ struct drm_device *dev = &ast->base;
+ struct drm_crtc *crtc = &ast->crtc;
+ struct drm_encoder *encoder = &ast->output.astdp.encoder;
+ struct drm_connector *connector = &ast->output.astdp.connector;
+ int ret;
+
+ ret = drm_encoder_init(dev, encoder, &ast_astdp_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS, NULL);
+ if (ret)
+ return ret;
+ drm_encoder_helper_add(encoder, &ast_astdp_encoder_helper_funcs);
+
+ encoder->possible_crtcs = drm_crtc_mask(crtc);
+
+ ret = ast_astdp_connector_init(dev, connector);
+ if (ret)
+ return ret;
+
+ ret = drm_connector_attach_encoder(connector, encoder);
+ if (ret)
+ return ret;
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/ast/ast_dp501.c b/drivers/gpu/drm/ast/ast_dp501.c
index 9a4c3a0963f9..478efa226170 100644
--- a/drivers/gpu/drm/ast/ast_dp501.c
+++ b/drivers/gpu/drm/ast/ast_dp501.c
@@ -4,6 +4,11 @@
#include <linux/firmware.h>
#include <linux/module.h>
+#include <drm/drm_atomic_state_helper.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_probe_helper.h>
+
#include "ast_drv.h"
MODULE_FIRMWARE("ast_dp501_fw.bin");
@@ -170,7 +175,7 @@ static void clear_cmd(struct ast_device *ast)
}
#endif
-void ast_set_dp501_video_output(struct drm_device *dev, u8 mode)
+static void ast_set_dp501_video_output(struct drm_device *dev, u8 mode)
{
ast_write_cmd(dev, 0x40);
ast_write_data(dev, mode);
@@ -272,7 +277,7 @@ static bool ast_launch_m68k(struct drm_device *dev)
return true;
}
-bool ast_dp501_is_connected(struct ast_device *ast)
+static bool ast_dp501_is_connected(struct ast_device *ast)
{
u32 boot_address, offset, data;
@@ -313,7 +318,7 @@ bool ast_dp501_is_connected(struct ast_device *ast)
return true;
}
-bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata)
+static bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata)
{
struct ast_device *ast = to_ast_device(dev);
u32 i, boot_address, offset, data;
@@ -470,3 +475,133 @@ void ast_init_3rdtx(struct drm_device *dev)
}
}
}
+
+/*
+ * Encoder
+ */
+
+static const struct drm_encoder_funcs ast_dp501_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
+};
+
+static void ast_dp501_encoder_helper_atomic_enable(struct drm_encoder *encoder,
+ struct drm_atomic_state *state)
+{
+ struct drm_device *dev = encoder->dev;
+
+ ast_set_dp501_video_output(dev, 1);
+}
+
+static void ast_dp501_encoder_helper_atomic_disable(struct drm_encoder *encoder,
+ struct drm_atomic_state *state)
+{
+ struct drm_device *dev = encoder->dev;
+
+ ast_set_dp501_video_output(dev, 0);
+}
+
+static const struct drm_encoder_helper_funcs ast_dp501_encoder_helper_funcs = {
+ .atomic_enable = ast_dp501_encoder_helper_atomic_enable,
+ .atomic_disable = ast_dp501_encoder_helper_atomic_disable,
+};
+
+/*
+ * Connector
+ */
+
+static int ast_dp501_connector_helper_get_modes(struct drm_connector *connector)
+{
+ void *edid;
+ bool succ;
+ int count;
+
+ edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
+ if (!edid)
+ goto err_drm_connector_update_edid_property;
+
+ succ = ast_dp501_read_edid(connector->dev, edid);
+ if (!succ)
+ goto err_kfree;
+
+ drm_connector_update_edid_property(connector, edid);
+ count = drm_add_edid_modes(connector, edid);
+ kfree(edid);
+
+ return count;
+
+err_kfree:
+ kfree(edid);
+err_drm_connector_update_edid_property:
+ drm_connector_update_edid_property(connector, NULL);
+ return 0;
+}
+
+static int ast_dp501_connector_helper_detect_ctx(struct drm_connector *connector,
+ struct drm_modeset_acquire_ctx *ctx,
+ bool force)
+{
+ struct ast_device *ast = to_ast_device(connector->dev);
+
+ if (ast_dp501_is_connected(ast))
+ return connector_status_connected;
+ return connector_status_disconnected;
+}
+
+static const struct drm_connector_helper_funcs ast_dp501_connector_helper_funcs = {
+ .get_modes = ast_dp501_connector_helper_get_modes,
+ .detect_ctx = ast_dp501_connector_helper_detect_ctx,
+};
+
+static const struct drm_connector_funcs ast_dp501_connector_funcs = {
+ .reset = drm_atomic_helper_connector_reset,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = drm_connector_cleanup,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int ast_dp501_connector_init(struct drm_device *dev, struct drm_connector *connector)
+{
+ int ret;
+
+ ret = drm_connector_init(dev, connector, &ast_dp501_connector_funcs,
+ DRM_MODE_CONNECTOR_DisplayPort);
+ if (ret)
+ return ret;
+
+ drm_connector_helper_add(connector, &ast_dp501_connector_helper_funcs);
+
+ connector->interlace_allowed = 0;
+ connector->doublescan_allowed = 0;
+
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
+
+ return 0;
+}
+
+int ast_dp501_output_init(struct ast_device *ast)
+{
+ struct drm_device *dev = &ast->base;
+ struct drm_crtc *crtc = &ast->crtc;
+ struct drm_encoder *encoder = &ast->output.dp501.encoder;
+ struct drm_connector *connector = &ast->output.dp501.connector;
+ int ret;
+
+ ret = drm_encoder_init(dev, encoder, &ast_dp501_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS, NULL);
+ if (ret)
+ return ret;
+ drm_encoder_helper_add(encoder, &ast_dp501_encoder_helper_funcs);
+
+ encoder->possible_crtcs = drm_crtc_mask(crtc);
+
+ ret = ast_dp501_connector_init(dev, connector);
+ if (ret)
+ return ret;
+
+ ret = drm_connector_attach_encoder(connector, encoder);
+ if (ret)
+ return ret;
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index d23b98ce4359..3a4f80cb5c0f 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -460,22 +460,17 @@ void ast_post_gpu(struct drm_device *dev);
u32 ast_mindwm(struct ast_device *ast, u32 r);
void ast_moutdwm(struct ast_device *ast, u32 r, u32 v);
void ast_patch_ahb_2500(void __iomem *regs);
+
+int ast_vga_output_init(struct ast_device *ast);
+int ast_sil164_output_init(struct ast_device *ast);
+
/* ast dp501 */
-void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
-bool ast_dp501_is_connected(struct ast_device *ast);
-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);
+int ast_dp501_output_init(struct ast_device *ast);
/* aspeed DP */
-bool ast_astdp_is_connected(struct ast_device *ast);
-int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata);
int ast_dp_launch(struct ast_device *ast);
-bool ast_dp_power_is_on(struct ast_device *ast);
-void ast_dp_power_on_off(struct drm_device *dev, bool no);
-void ast_dp_link_training(struct ast_device *ast);
-void ast_dp_set_on_off(struct drm_device *dev, bool no);
-void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode);
+int ast_astdp_output_init(struct ast_device *ast);
#endif
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index ddb7696acc04..d823e9d85b04 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -47,7 +47,6 @@
#include <drm/drm_panic.h>
#include <drm/drm_probe_helper.h>
-#include "ast_ddc.h"
#include "ast_drv.h"
#include "ast_tables.h"
@@ -1310,476 +1309,6 @@ static int ast_crtc_init(struct drm_device *dev)
return 0;
}
-/*
- * VGA Encoder
- */
-
-static const struct drm_encoder_funcs ast_vga_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
-/*
- * VGA Connector
- */
-
-static const struct drm_connector_helper_funcs ast_vga_connector_helper_funcs = {
- .get_modes = drm_connector_helper_get_modes,
- .detect_ctx = drm_connector_helper_detect_from_ddc,
-};
-
-static const struct drm_connector_funcs ast_vga_connector_funcs = {
- .reset = drm_atomic_helper_connector_reset,
- .fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = drm_connector_cleanup,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-static int ast_vga_connector_init(struct drm_device *dev, struct drm_connector *connector)
-{
- struct ast_device *ast = to_ast_device(dev);
- struct i2c_adapter *ddc;
- int ret;
-
- ddc = ast_ddc_create(ast);
- if (IS_ERR(ddc)) {
- ret = PTR_ERR(ddc);
- drm_err(dev, "failed to add DDC bus for connector; ret=%d\n", ret);
- return ret;
- }
-
- ret = drm_connector_init_with_ddc(dev, connector, &ast_vga_connector_funcs,
- DRM_MODE_CONNECTOR_VGA, ddc);
- if (ret)
- return ret;
-
- drm_connector_helper_add(connector, &ast_vga_connector_helper_funcs);
-
- connector->interlace_allowed = 0;
- connector->doublescan_allowed = 0;
-
- connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
-
- return 0;
-}
-
-static int ast_vga_output_init(struct ast_device *ast)
-{
- struct drm_device *dev = &ast->base;
- struct drm_crtc *crtc = &ast->crtc;
- struct drm_encoder *encoder = &ast->output.vga.encoder;
- struct drm_connector *connector = &ast->output.vga.connector;
- int ret;
-
- ret = drm_encoder_init(dev, encoder, &ast_vga_encoder_funcs,
- DRM_MODE_ENCODER_DAC, NULL);
- if (ret)
- return ret;
- encoder->possible_crtcs = drm_crtc_mask(crtc);
-
- ret = ast_vga_connector_init(dev, connector);
- if (ret)
- return ret;
-
- ret = drm_connector_attach_encoder(connector, encoder);
- if (ret)
- return ret;
-
- return 0;
-}
-
-/*
- * SIL164 Encoder
- */
-
-static const struct drm_encoder_funcs ast_sil164_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
-/*
- * SIL164 Connector
- */
-
-static const struct drm_connector_helper_funcs ast_sil164_connector_helper_funcs = {
- .get_modes = drm_connector_helper_get_modes,
- .detect_ctx = drm_connector_helper_detect_from_ddc,
-};
-
-static const struct drm_connector_funcs ast_sil164_connector_funcs = {
- .reset = drm_atomic_helper_connector_reset,
- .fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = drm_connector_cleanup,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-static int ast_sil164_connector_init(struct drm_device *dev, struct drm_connector *connector)
-{
- struct ast_device *ast = to_ast_device(dev);
- struct i2c_adapter *ddc;
- int ret;
-
- ddc = ast_ddc_create(ast);
- if (IS_ERR(ddc)) {
- ret = PTR_ERR(ddc);
- drm_err(dev, "failed to add DDC bus for connector; ret=%d\n", ret);
- return ret;
- }
-
- ret = drm_connector_init_with_ddc(dev, connector, &ast_sil164_connector_funcs,
- DRM_MODE_CONNECTOR_DVII, ddc);
- if (ret)
- return ret;
-
- drm_connector_helper_add(connector, &ast_sil164_connector_helper_funcs);
-
- connector->interlace_allowed = 0;
- connector->doublescan_allowed = 0;
-
- connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
-
- return 0;
-}
-
-static int ast_sil164_output_init(struct ast_device *ast)
-{
- struct drm_device *dev = &ast->base;
- struct drm_crtc *crtc = &ast->crtc;
- struct drm_encoder *encoder = &ast->output.sil164.encoder;
- struct drm_connector *connector = &ast->output.sil164.connector;
- int ret;
-
- ret = drm_encoder_init(dev, encoder, &ast_sil164_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
- if (ret)
- return ret;
- encoder->possible_crtcs = drm_crtc_mask(crtc);
-
- ret = ast_sil164_connector_init(dev, connector);
- if (ret)
- return ret;
-
- ret = drm_connector_attach_encoder(connector, encoder);
- if (ret)
- return ret;
-
- return 0;
-}
-
-/*
- * DP501 Encoder
- */
-
-static const struct drm_encoder_funcs ast_dp501_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
-static void ast_dp501_encoder_helper_atomic_enable(struct drm_encoder *encoder,
- struct drm_atomic_state *state)
-{
- struct drm_device *dev = encoder->dev;
-
- ast_set_dp501_video_output(dev, 1);
-}
-
-static void ast_dp501_encoder_helper_atomic_disable(struct drm_encoder *encoder,
- struct drm_atomic_state *state)
-{
- struct drm_device *dev = encoder->dev;
-
- ast_set_dp501_video_output(dev, 0);
-}
-
-static const struct drm_encoder_helper_funcs ast_dp501_encoder_helper_funcs = {
- .atomic_enable = ast_dp501_encoder_helper_atomic_enable,
- .atomic_disable = ast_dp501_encoder_helper_atomic_disable,
-};
-
-/*
- * DP501 Connector
- */
-
-static int ast_dp501_connector_helper_get_modes(struct drm_connector *connector)
-{
- void *edid;
- bool succ;
- int count;
-
- edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
- if (!edid)
- goto err_drm_connector_update_edid_property;
-
- succ = ast_dp501_read_edid(connector->dev, edid);
- if (!succ)
- goto err_kfree;
-
- drm_connector_update_edid_property(connector, edid);
- count = drm_add_edid_modes(connector, edid);
- kfree(edid);
-
- return count;
-
-err_kfree:
- kfree(edid);
-err_drm_connector_update_edid_property:
- drm_connector_update_edid_property(connector, NULL);
- return 0;
-}
-
-static int ast_dp501_connector_helper_detect_ctx(struct drm_connector *connector,
- struct drm_modeset_acquire_ctx *ctx,
- bool force)
-{
- struct ast_device *ast = to_ast_device(connector->dev);
-
- if (ast_dp501_is_connected(ast))
- return connector_status_connected;
- return connector_status_disconnected;
-}
-
-static const struct drm_connector_helper_funcs ast_dp501_connector_helper_funcs = {
- .get_modes = ast_dp501_connector_helper_get_modes,
- .detect_ctx = ast_dp501_connector_helper_detect_ctx,
-};
-
-static const struct drm_connector_funcs ast_dp501_connector_funcs = {
- .reset = drm_atomic_helper_connector_reset,
- .fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = drm_connector_cleanup,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-static int ast_dp501_connector_init(struct drm_device *dev, struct drm_connector *connector)
-{
- int ret;
-
- ret = drm_connector_init(dev, connector, &ast_dp501_connector_funcs,
- DRM_MODE_CONNECTOR_DisplayPort);
- if (ret)
- return ret;
-
- drm_connector_helper_add(connector, &ast_dp501_connector_helper_funcs);
-
- connector->interlace_allowed = 0;
- connector->doublescan_allowed = 0;
-
- connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
-
- return 0;
-}
-
-static int ast_dp501_output_init(struct ast_device *ast)
-{
- struct drm_device *dev = &ast->base;
- struct drm_crtc *crtc = &ast->crtc;
- struct drm_encoder *encoder = &ast->output.dp501.encoder;
- struct drm_connector *connector = &ast->output.dp501.connector;
- int ret;
-
- ret = drm_encoder_init(dev, encoder, &ast_dp501_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
- if (ret)
- return ret;
- drm_encoder_helper_add(encoder, &ast_dp501_encoder_helper_funcs);
-
- encoder->possible_crtcs = drm_crtc_mask(crtc);
-
- ret = ast_dp501_connector_init(dev, connector);
- if (ret)
- return ret;
-
- ret = drm_connector_attach_encoder(connector, encoder);
- if (ret)
- return ret;
-
- return 0;
-}
-
-/*
- * ASPEED Display-Port Encoder
- */
-
-static const struct drm_encoder_funcs ast_astdp_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
-static void ast_astdp_encoder_helper_atomic_mode_set(struct drm_encoder *encoder,
- struct drm_crtc_state *crtc_state,
- struct drm_connector_state *conn_state)
-{
- struct drm_crtc *crtc = crtc_state->crtc;
- struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state);
- struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info;
-
- ast_dp_set_mode(crtc, vbios_mode_info);
-}
-
-static void ast_astdp_encoder_helper_atomic_enable(struct drm_encoder *encoder,
- struct drm_atomic_state *state)
-{
- struct drm_device *dev = encoder->dev;
- struct ast_device *ast = to_ast_device(dev);
-
- ast_dp_power_on_off(dev, AST_DP_POWER_ON);
- ast_dp_link_training(ast);
-
- ast_wait_for_vretrace(ast);
- ast_dp_set_on_off(dev, 1);
-}
-
-static void ast_astdp_encoder_helper_atomic_disable(struct drm_encoder *encoder,
- struct drm_atomic_state *state)
-{
- struct drm_device *dev = encoder->dev;
-
- ast_dp_set_on_off(dev, 0);
- ast_dp_power_on_off(dev, AST_DP_POWER_OFF);
-}
-
-static const struct drm_encoder_helper_funcs ast_astdp_encoder_helper_funcs = {
- .atomic_mode_set = ast_astdp_encoder_helper_atomic_mode_set,
- .atomic_enable = ast_astdp_encoder_helper_atomic_enable,
- .atomic_disable = ast_astdp_encoder_helper_atomic_disable,
-};
-
-/*
- * ASPEED Display-Port Connector
- */
-
-static int ast_astdp_connector_helper_get_modes(struct drm_connector *connector)
-{
- void *edid;
- struct drm_device *dev = connector->dev;
- struct ast_device *ast = to_ast_device(dev);
-
- int succ;
- int count;
-
- edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
- if (!edid)
- goto err_drm_connector_update_edid_property;
-
- /*
- * Protect access to I/O registers from concurrent modesetting
- * by acquiring the I/O-register lock.
- */
- mutex_lock(&ast->modeset_lock);
-
- succ = ast_astdp_read_edid(connector->dev, edid);
- if (succ < 0)
- goto err_mutex_unlock;
-
- mutex_unlock(&ast->modeset_lock);
-
- drm_connector_update_edid_property(connector, edid);
- count = drm_add_edid_modes(connector, edid);
- kfree(edid);
-
- return count;
-
-err_mutex_unlock:
- mutex_unlock(&ast->modeset_lock);
- kfree(edid);
-err_drm_connector_update_edid_property:
- drm_connector_update_edid_property(connector, NULL);
- return 0;
-}
-
-static int ast_astdp_connector_helper_detect_ctx(struct drm_connector *connector,
- struct drm_modeset_acquire_ctx *ctx,
- bool force)
-{
- struct drm_device *dev = connector->dev;
- struct ast_device *ast = to_ast_device(connector->dev);
- enum drm_connector_status status = connector_status_disconnected;
- struct drm_connector_state *connector_state = connector->state;
- bool is_active = false;
-
- mutex_lock(&ast->modeset_lock);
-
- if (connector_state && connector_state->crtc) {
- struct drm_crtc_state *crtc_state = connector_state->crtc->state;
-
- if (crtc_state && crtc_state->active)
- is_active = true;
- }
-
- if (!is_active && !ast_dp_power_is_on(ast)) {
- ast_dp_power_on_off(dev, true);
- msleep(50);
- }
-
- if (ast_astdp_is_connected(ast))
- status = connector_status_connected;
-
- if (!is_active && status == connector_status_disconnected)
- ast_dp_power_on_off(dev, false);
-
- mutex_unlock(&ast->modeset_lock);
-
- return status;
-}
-
-static const struct drm_connector_helper_funcs ast_astdp_connector_helper_funcs = {
- .get_modes = ast_astdp_connector_helper_get_modes,
- .detect_ctx = ast_astdp_connector_helper_detect_ctx,
-};
-
-static const struct drm_connector_funcs ast_astdp_connector_funcs = {
- .reset = drm_atomic_helper_connector_reset,
- .fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = drm_connector_cleanup,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-static int ast_astdp_connector_init(struct drm_device *dev, struct drm_connector *connector)
-{
- int ret;
-
- ret = drm_connector_init(dev, connector, &ast_astdp_connector_funcs,
- DRM_MODE_CONNECTOR_DisplayPort);
- if (ret)
- return ret;
-
- drm_connector_helper_add(connector, &ast_astdp_connector_helper_funcs);
-
- connector->interlace_allowed = 0;
- connector->doublescan_allowed = 0;
-
- connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
-
- return 0;
-}
-
-static int ast_astdp_output_init(struct ast_device *ast)
-{
- struct drm_device *dev = &ast->base;
- struct drm_crtc *crtc = &ast->crtc;
- struct drm_encoder *encoder = &ast->output.astdp.encoder;
- struct drm_connector *connector = &ast->output.astdp.connector;
- int ret;
-
- ret = drm_encoder_init(dev, encoder, &ast_astdp_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
- if (ret)
- return ret;
- drm_encoder_helper_add(encoder, &ast_astdp_encoder_helper_funcs);
-
- encoder->possible_crtcs = drm_crtc_mask(crtc);
-
- ret = ast_astdp_connector_init(dev, connector);
- if (ret)
- return ret;
-
- ret = drm_connector_attach_encoder(connector, encoder);
- if (ret)
- return ret;
-
- return 0;
-}
-
/*
* BMC virtual Connector
*/
diff --git a/drivers/gpu/drm/ast/ast_sil164.c b/drivers/gpu/drm/ast/ast_sil164.c
new file mode 100644
index 000000000000..6e17d84f994e
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_sil164.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: MIT
+
+#include <drm/drm_atomic_state_helper.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+
+#include "ast_ddc.h"
+#include "ast_drv.h"
+
+/*
+ * Encoder
+ */
+
+static const struct drm_encoder_funcs ast_sil164_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
+};
+
+/*
+ * Connector
+ */
+
+static const struct drm_connector_helper_funcs ast_sil164_connector_helper_funcs = {
+ .get_modes = drm_connector_helper_get_modes,
+ .detect_ctx = drm_connector_helper_detect_from_ddc,
+};
+
+static const struct drm_connector_funcs ast_sil164_connector_funcs = {
+ .reset = drm_atomic_helper_connector_reset,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = drm_connector_cleanup,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int ast_sil164_connector_init(struct drm_device *dev, struct drm_connector *connector)
+{
+ struct ast_device *ast = to_ast_device(dev);
+ struct i2c_adapter *ddc;
+ int ret;
+
+ ddc = ast_ddc_create(ast);
+ if (IS_ERR(ddc)) {
+ ret = PTR_ERR(ddc);
+ drm_err(dev, "failed to add DDC bus for connector; ret=%d\n", ret);
+ return ret;
+ }
+
+ ret = drm_connector_init_with_ddc(dev, connector, &ast_sil164_connector_funcs,
+ DRM_MODE_CONNECTOR_DVII, ddc);
+ if (ret)
+ return ret;
+
+ drm_connector_helper_add(connector, &ast_sil164_connector_helper_funcs);
+
+ connector->interlace_allowed = 0;
+ connector->doublescan_allowed = 0;
+
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
+
+ return 0;
+}
+
+int ast_sil164_output_init(struct ast_device *ast)
+{
+ struct drm_device *dev = &ast->base;
+ struct drm_crtc *crtc = &ast->crtc;
+ struct drm_encoder *encoder = &ast->output.sil164.encoder;
+ struct drm_connector *connector = &ast->output.sil164.connector;
+ int ret;
+
+ ret = drm_encoder_init(dev, encoder, &ast_sil164_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS, NULL);
+ if (ret)
+ return ret;
+ encoder->possible_crtcs = drm_crtc_mask(crtc);
+
+ ret = ast_sil164_connector_init(dev, connector);
+ if (ret)
+ return ret;
+
+ ret = drm_connector_attach_encoder(connector, encoder);
+ if (ret)
+ return ret;
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/ast/ast_vga.c b/drivers/gpu/drm/ast/ast_vga.c
new file mode 100644
index 000000000000..2ea0763844f3
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_vga.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: MIT
+
+#include <drm/drm_atomic_state_helper.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+
+#include "ast_ddc.h"
+#include "ast_drv.h"
+
+/*
+ * Encoder
+ */
+
+static const struct drm_encoder_funcs ast_vga_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
+};
+
+/*
+ * Connector
+ */
+
+static const struct drm_connector_helper_funcs ast_vga_connector_helper_funcs = {
+ .get_modes = drm_connector_helper_get_modes,
+ .detect_ctx = drm_connector_helper_detect_from_ddc,
+};
+
+static const struct drm_connector_funcs ast_vga_connector_funcs = {
+ .reset = drm_atomic_helper_connector_reset,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = drm_connector_cleanup,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int ast_vga_connector_init(struct drm_device *dev, struct drm_connector *connector)
+{
+ struct ast_device *ast = to_ast_device(dev);
+ struct i2c_adapter *ddc;
+ int ret;
+
+ ddc = ast_ddc_create(ast);
+ if (IS_ERR(ddc)) {
+ ret = PTR_ERR(ddc);
+ drm_err(dev, "failed to add DDC bus for connector; ret=%d\n", ret);
+ return ret;
+ }
+
+ ret = drm_connector_init_with_ddc(dev, connector, &ast_vga_connector_funcs,
+ DRM_MODE_CONNECTOR_VGA, ddc);
+ if (ret)
+ return ret;
+
+ drm_connector_helper_add(connector, &ast_vga_connector_helper_funcs);
+
+ connector->interlace_allowed = 0;
+ connector->doublescan_allowed = 0;
+
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
+
+ return 0;
+}
+
+int ast_vga_output_init(struct ast_device *ast)
+{
+ struct drm_device *dev = &ast->base;
+ struct drm_crtc *crtc = &ast->crtc;
+ struct drm_encoder *encoder = &ast->output.vga.encoder;
+ struct drm_connector *connector = &ast->output.vga.connector;
+ int ret;
+
+ ret = drm_encoder_init(dev, encoder, &ast_vga_encoder_funcs,
+ DRM_MODE_ENCODER_DAC, NULL);
+ if (ret)
+ return ret;
+ encoder->possible_crtcs = drm_crtc_mask(crtc);
+
+ ret = ast_vga_connector_init(dev, connector);
+ if (ret)
+ return ret;
+
+ ret = drm_connector_attach_encoder(connector, encoder);
+ if (ret)
+ return ret;
+
+ return 0;
+}
--
2.46.0
