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drm/ast: Move code for physical outputs into separate files
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@suse.de> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240815151953.184679-2-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann
parent
04b5b362bc
commit
f6d9f39f8d
@ -11,6 +11,8 @@ ast-y := \
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ast_main.o \
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ast_mm.o \
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ast_mode.o \
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ast_post.o
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ast_post.o \
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ast_sil164.o \
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ast_vga.o
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obj-$(CONFIG_DRM_AST) := ast.o
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@ -4,17 +4,23 @@
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#include <linux/firmware.h>
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#include <linux/delay.h>
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#include <drm/drm_atomic_state_helper.h>
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#include <drm/drm_edid.h>
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#include <drm/drm_modeset_helper_vtables.h>
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#include <drm/drm_print.h>
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#include <drm/drm_probe_helper.h>
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#include "ast_drv.h"
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bool ast_astdp_is_connected(struct ast_device *ast)
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static bool ast_astdp_is_connected(struct ast_device *ast)
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{
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if (!ast_get_index_reg_mask(ast, AST_IO_VGACRI, 0xDF, AST_IO_VGACRDF_HPD))
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return false;
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return true;
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}
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int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata)
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static int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata)
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{
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struct ast_device *ast = to_ast_device(dev);
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int ret = 0;
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@ -120,7 +126,7 @@ int ast_dp_launch(struct ast_device *ast)
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return 0;
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}
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bool ast_dp_power_is_on(struct ast_device *ast)
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static bool ast_dp_power_is_on(struct ast_device *ast)
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{
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u8 vgacre3;
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@ -129,7 +135,7 @@ bool ast_dp_power_is_on(struct ast_device *ast)
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return !(vgacre3 & AST_DP_PHY_SLEEP);
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}
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void ast_dp_power_on_off(struct drm_device *dev, bool on)
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static void ast_dp_power_on_off(struct drm_device *dev, bool on)
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{
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struct ast_device *ast = to_ast_device(dev);
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// Read and Turn off DP PHY sleep
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@ -143,7 +149,7 @@ void ast_dp_power_on_off(struct drm_device *dev, bool on)
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ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xE3, (u8) ~AST_DP_PHY_SLEEP, bE3);
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}
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void ast_dp_link_training(struct ast_device *ast)
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static void ast_dp_link_training(struct ast_device *ast)
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{
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struct drm_device *dev = &ast->base;
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int i;
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@ -161,7 +167,7 @@ void ast_dp_link_training(struct ast_device *ast)
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drm_err(dev, "Link training failed\n");
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}
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void ast_dp_set_on_off(struct drm_device *dev, bool on)
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static void ast_dp_set_on_off(struct drm_device *dev, bool on)
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{
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struct ast_device *ast = to_ast_device(dev);
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u8 video_on_off = on;
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@ -180,7 +186,7 @@ void ast_dp_set_on_off(struct drm_device *dev, bool on)
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}
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}
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void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode)
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static void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode)
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{
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struct ast_device *ast = to_ast_device(crtc->dev);
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@ -253,3 +259,197 @@ void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mo
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ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xE1, ASTDP_AND_CLEAR_MASK, ASTDP_MISC1);
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ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xE2, ASTDP_AND_CLEAR_MASK, ModeIdx);
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}
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static void ast_wait_for_vretrace(struct ast_device *ast)
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{
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unsigned long timeout = jiffies + HZ;
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u8 vgair1;
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do {
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vgair1 = ast_io_read8(ast, AST_IO_VGAIR1_R);
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} while (!(vgair1 & AST_IO_VGAIR1_VREFRESH) && time_before(jiffies, timeout));
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}
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/*
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* Encoder
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*/
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static const struct drm_encoder_funcs ast_astdp_encoder_funcs = {
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.destroy = drm_encoder_cleanup,
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};
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static void ast_astdp_encoder_helper_atomic_mode_set(struct drm_encoder *encoder,
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struct drm_crtc_state *crtc_state,
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struct drm_connector_state *conn_state)
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{
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struct drm_crtc *crtc = crtc_state->crtc;
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struct ast_crtc_state *ast_crtc_state = to_ast_crtc_state(crtc_state);
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struct ast_vbios_mode_info *vbios_mode_info = &ast_crtc_state->vbios_mode_info;
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ast_dp_set_mode(crtc, vbios_mode_info);
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}
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static void ast_astdp_encoder_helper_atomic_enable(struct drm_encoder *encoder,
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struct drm_atomic_state *state)
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{
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struct drm_device *dev = encoder->dev;
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struct ast_device *ast = to_ast_device(dev);
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ast_dp_power_on_off(dev, AST_DP_POWER_ON);
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ast_dp_link_training(ast);
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ast_wait_for_vretrace(ast);
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ast_dp_set_on_off(dev, 1);
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}
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static void ast_astdp_encoder_helper_atomic_disable(struct drm_encoder *encoder,
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struct drm_atomic_state *state)
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{
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struct drm_device *dev = encoder->dev;
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ast_dp_set_on_off(dev, 0);
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ast_dp_power_on_off(dev, AST_DP_POWER_OFF);
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}
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static const struct drm_encoder_helper_funcs ast_astdp_encoder_helper_funcs = {
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.atomic_mode_set = ast_astdp_encoder_helper_atomic_mode_set,
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.atomic_enable = ast_astdp_encoder_helper_atomic_enable,
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.atomic_disable = ast_astdp_encoder_helper_atomic_disable,
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};
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/*
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* Connector
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*/
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static int ast_astdp_connector_helper_get_modes(struct drm_connector *connector)
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{
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void *edid;
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struct drm_device *dev = connector->dev;
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struct ast_device *ast = to_ast_device(dev);
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int succ;
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int count;
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edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
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if (!edid)
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goto err_drm_connector_update_edid_property;
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/*
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* Protect access to I/O registers from concurrent modesetting
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* by acquiring the I/O-register lock.
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*/
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mutex_lock(&ast->modeset_lock);
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succ = ast_astdp_read_edid(connector->dev, edid);
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if (succ < 0)
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goto err_mutex_unlock;
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mutex_unlock(&ast->modeset_lock);
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drm_connector_update_edid_property(connector, edid);
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count = drm_add_edid_modes(connector, edid);
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kfree(edid);
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return count;
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err_mutex_unlock:
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mutex_unlock(&ast->modeset_lock);
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kfree(edid);
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err_drm_connector_update_edid_property:
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drm_connector_update_edid_property(connector, NULL);
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return 0;
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}
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static int ast_astdp_connector_helper_detect_ctx(struct drm_connector *connector,
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struct drm_modeset_acquire_ctx *ctx,
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bool force)
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{
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struct drm_device *dev = connector->dev;
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struct ast_device *ast = to_ast_device(connector->dev);
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enum drm_connector_status status = connector_status_disconnected;
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struct drm_connector_state *connector_state = connector->state;
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bool is_active = false;
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mutex_lock(&ast->modeset_lock);
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if (connector_state && connector_state->crtc) {
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struct drm_crtc_state *crtc_state = connector_state->crtc->state;
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if (crtc_state && crtc_state->active)
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is_active = true;
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}
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if (!is_active && !ast_dp_power_is_on(ast)) {
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ast_dp_power_on_off(dev, true);
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msleep(50);
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}
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if (ast_astdp_is_connected(ast))
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status = connector_status_connected;
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if (!is_active && status == connector_status_disconnected)
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ast_dp_power_on_off(dev, false);
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mutex_unlock(&ast->modeset_lock);
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return status;
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}
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static const struct drm_connector_helper_funcs ast_astdp_connector_helper_funcs = {
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.get_modes = ast_astdp_connector_helper_get_modes,
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.detect_ctx = ast_astdp_connector_helper_detect_ctx,
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};
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static const struct drm_connector_funcs ast_astdp_connector_funcs = {
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.reset = drm_atomic_helper_connector_reset,
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.fill_modes = drm_helper_probe_single_connector_modes,
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.destroy = drm_connector_cleanup,
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.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
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.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
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};
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static int ast_astdp_connector_init(struct drm_device *dev, struct drm_connector *connector)
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{
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int ret;
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ret = drm_connector_init(dev, connector, &ast_astdp_connector_funcs,
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DRM_MODE_CONNECTOR_DisplayPort);
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if (ret)
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return ret;
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drm_connector_helper_add(connector, &ast_astdp_connector_helper_funcs);
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connector->interlace_allowed = 0;
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connector->doublescan_allowed = 0;
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connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
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return 0;
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}
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int ast_astdp_output_init(struct ast_device *ast)
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{
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struct drm_device *dev = &ast->base;
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struct drm_crtc *crtc = &ast->crtc;
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struct drm_encoder *encoder = &ast->output.astdp.encoder;
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struct drm_connector *connector = &ast->output.astdp.connector;
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int ret;
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ret = drm_encoder_init(dev, encoder, &ast_astdp_encoder_funcs,
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DRM_MODE_ENCODER_TMDS, NULL);
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if (ret)
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return ret;
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drm_encoder_helper_add(encoder, &ast_astdp_encoder_helper_funcs);
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encoder->possible_crtcs = drm_crtc_mask(crtc);
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ret = ast_astdp_connector_init(dev, connector);
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if (ret)
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return ret;
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ret = drm_connector_attach_encoder(connector, encoder);
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if (ret)
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return ret;
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return 0;
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}
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@ -4,6 +4,11 @@
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#include <linux/firmware.h>
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#include <linux/module.h>
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#include <drm/drm_atomic_state_helper.h>
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#include <drm/drm_edid.h>
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#include <drm/drm_modeset_helper_vtables.h>
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#include <drm/drm_probe_helper.h>
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#include "ast_drv.h"
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MODULE_FIRMWARE("ast_dp501_fw.bin");
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@ -170,7 +175,7 @@ static void clear_cmd(struct ast_device *ast)
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}
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#endif
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void ast_set_dp501_video_output(struct drm_device *dev, u8 mode)
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static void ast_set_dp501_video_output(struct drm_device *dev, u8 mode)
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{
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ast_write_cmd(dev, 0x40);
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ast_write_data(dev, mode);
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@ -272,7 +277,7 @@ static bool ast_launch_m68k(struct drm_device *dev)
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return true;
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}
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bool ast_dp501_is_connected(struct ast_device *ast)
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static bool ast_dp501_is_connected(struct ast_device *ast)
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{
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u32 boot_address, offset, data;
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@ -313,7 +318,7 @@ bool ast_dp501_is_connected(struct ast_device *ast)
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return true;
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}
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bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata)
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static bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata)
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{
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struct ast_device *ast = to_ast_device(dev);
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u32 i, boot_address, offset, data;
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@ -470,3 +475,133 @@ void ast_init_3rdtx(struct drm_device *dev)
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}
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}
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}
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/*
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* Encoder
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*/
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static const struct drm_encoder_funcs ast_dp501_encoder_funcs = {
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.destroy = drm_encoder_cleanup,
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};
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static void ast_dp501_encoder_helper_atomic_enable(struct drm_encoder *encoder,
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struct drm_atomic_state *state)
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{
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struct drm_device *dev = encoder->dev;
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ast_set_dp501_video_output(dev, 1);
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}
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static void ast_dp501_encoder_helper_atomic_disable(struct drm_encoder *encoder,
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struct drm_atomic_state *state)
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{
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struct drm_device *dev = encoder->dev;
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ast_set_dp501_video_output(dev, 0);
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}
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static const struct drm_encoder_helper_funcs ast_dp501_encoder_helper_funcs = {
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.atomic_enable = ast_dp501_encoder_helper_atomic_enable,
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.atomic_disable = ast_dp501_encoder_helper_atomic_disable,
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};
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/*
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* Connector
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*/
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static int ast_dp501_connector_helper_get_modes(struct drm_connector *connector)
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{
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void *edid;
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bool succ;
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int count;
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edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
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if (!edid)
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goto err_drm_connector_update_edid_property;
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succ = ast_dp501_read_edid(connector->dev, edid);
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if (!succ)
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goto err_kfree;
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drm_connector_update_edid_property(connector, edid);
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count = drm_add_edid_modes(connector, edid);
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kfree(edid);
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return count;
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err_kfree:
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kfree(edid);
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err_drm_connector_update_edid_property:
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drm_connector_update_edid_property(connector, NULL);
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return 0;
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}
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static int ast_dp501_connector_helper_detect_ctx(struct drm_connector *connector,
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struct drm_modeset_acquire_ctx *ctx,
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bool force)
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{
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struct ast_device *ast = to_ast_device(connector->dev);
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if (ast_dp501_is_connected(ast))
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return connector_status_connected;
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return connector_status_disconnected;
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}
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static const struct drm_connector_helper_funcs ast_dp501_connector_helper_funcs = {
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.get_modes = ast_dp501_connector_helper_get_modes,
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.detect_ctx = ast_dp501_connector_helper_detect_ctx,
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};
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static const struct drm_connector_funcs ast_dp501_connector_funcs = {
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.reset = drm_atomic_helper_connector_reset,
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.fill_modes = drm_helper_probe_single_connector_modes,
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.destroy = drm_connector_cleanup,
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.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
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.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
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};
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static int ast_dp501_connector_init(struct drm_device *dev, struct drm_connector *connector)
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{
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int ret;
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ret = drm_connector_init(dev, connector, &ast_dp501_connector_funcs,
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DRM_MODE_CONNECTOR_DisplayPort);
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if (ret)
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return ret;
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drm_connector_helper_add(connector, &ast_dp501_connector_helper_funcs);
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connector->interlace_allowed = 0;
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connector->doublescan_allowed = 0;
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connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
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return 0;
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}
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int ast_dp501_output_init(struct ast_device *ast)
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{
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struct drm_device *dev = &ast->base;
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struct drm_crtc *crtc = &ast->crtc;
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struct drm_encoder *encoder = &ast->output.dp501.encoder;
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struct drm_connector *connector = &ast->output.dp501.connector;
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int ret;
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ret = drm_encoder_init(dev, encoder, &ast_dp501_encoder_funcs,
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DRM_MODE_ENCODER_TMDS, NULL);
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if (ret)
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return ret;
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drm_encoder_helper_add(encoder, &ast_dp501_encoder_helper_funcs);
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encoder->possible_crtcs = drm_crtc_mask(crtc);
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ret = ast_dp501_connector_init(dev, connector);
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if (ret)
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return ret;
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ret = drm_connector_attach_encoder(connector, encoder);
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if (ret)
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return ret;
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return 0;
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}
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@ -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
|
||||
|
||||
@ -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
|
||||
*/
|
||||
|
||||
88
drivers/gpu/drm/ast/ast_sil164.c
Normal file
88
drivers/gpu/drm/ast/ast_sil164.c
Normal file
@ -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;
|
||||
}
|
||||
88
drivers/gpu/drm/ast/ast_vga.c
Normal file
88
drivers/gpu/drm/ast/ast_vga.c
Normal file
@ -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;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user