(kernel-rolling) (FTBFS) gpu: Add Support for JM9100 GPU

arch/x86/configs/deepin_x86_desktop_defconfig

@@ -3224,6 +3224,7 @@ CONFIG_DRM_VMWGFX=m
 CONFIG_DRM_GMA500=m
 CONFIG_DRM_UDL=m
 CONFIG_DRM_AST=m
+CONFIG_DRM_MWV207=m
 CONFIG_DRM_MGAG200=m
 CONFIG_DRM_QXL=m
 CONFIG_DRM_VIRTIO_GPU=m

drivers/gpu/drm/Kconfig

@@ -316,6 +316,8 @@ source "drivers/gpu/drm/udl/Kconfig"
 
 source "drivers/gpu/drm/ast/Kconfig"
 
+source "drivers/gpu/drm/mwv207/Kconfig"
+
 source "drivers/gpu/drm/mgag200/Kconfig"
 
 source "drivers/gpu/drm/armada/Kconfig"

drivers/gpu/drm/Makefile

@@ -148,6 +148,7 @@ obj-$(CONFIG_DRM_ROCKCHIP) +=rockchip/
 obj-$(CONFIG_DRM_GMA500) += gma500/
 obj-$(CONFIG_DRM_UDL) += udl/
 obj-$(CONFIG_DRM_AST) += ast/
+obj-$(CONFIG_DRM_MWV207) += mwv207/
 obj-$(CONFIG_DRM_ARMADA) += armada/
 obj-$(CONFIG_DRM_ATMEL_HLCDC)	+= atmel-hlcdc/
 obj-y			+= renesas/

drivers/gpu/drm/mwv207/Kconfig

@@ -0,0 +1,15 @@
+config DRM_MWV207
+	tristate "MWV207 chip"
+	depends on DRM && SND_PCM
+	select DRM_KMS_HELPER
+	select DRM_VRAM_HELPER
+	select DRM_TTM
+	select DRM_SCHED
+	select FB_IOMEM_HELPERS if DRM_FBDEV_EMULATION
+	select DRM_GEM_SHMEM_HELPER
+	select DRM_DEVFREQ
+	select DRM_TTM_HELPER
+	help
+	  Choose this option if you have a Jingjia graphics card.
+          If M is selected, the module will be called mwv207 (JM9100).
+

drivers/gpu/drm/mwv207/Makefile

@@ -0,0 +1,33 @@
+mwv207-y := mwv207_drv.o \
+	mwv207_irq.o \
+	mwv207_db.o \
+	mwv207_ctx.o \
+	mwv207_submit.o \
+	mwv207_sched.o \
+	mwv207_pipe_codec_common.o \
+	mwv207_devfreq.o \
+	mwv207_pipe_2d.o \
+	mwv207_pipe_3d.o \
+	mwv207_pipe_dec.o \
+	mwv207_pipe_enc.o \
+	mwv207_pipe_dma.o \
+	mwv207_gem.o \
+	mwv207_bo.o \
+	mwv207_ttm.o \
+	mwv207_vcmd.o \
+	mwv207_vbios.o \
+	dc/mwv207_kms.o \
+	dc/mwv207_va.o \
+	dc/mwv207_edp.o \
+	dc/mwv207_hdmi.o \
+	dc/mwv207_vga.o \
+	dc/mwv207_dvo.o \
+	dc/mwv207_vi.o \
+	dc/mwv207_i2c.o \
+	selftest/selftest.o
+
+obj-$(CONFIG_DRM_MWV207) := mwv207.o
+
+ccflags-y := -I$(src)
+
+

drivers/gpu/drm/mwv207/dc/mwv207_dvo.c

@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2020 ChangSha JingJiaMicro Electronics Co., Ltd.
+ * All rights reserved.
+ *
+ * Author:
+ *      shanjinkui <shanjinkui@jingjiamicro.com>
+ *
+ * The software and information contained herein is proprietary and
+ * confidential to JingJiaMicro Electronics. This software can only be
+ * used by JingJiaMicro Electronics Corporation. Any use, reproduction,
+ * or disclosure without the written permission of JingJiaMicro
+ * Electronics Corporation is strictly prohibited.
+ */
+#include "mwv207_vi.h"
+
+static void mwv207_dvo_switch(struct mwv207_output *output, bool on)
+{
+	mwv207_output_modify(output, 0x200,
+			0x1 << 0, (on ? 1 : 0) << 0);
+}
+
+static void mwv207_dvo_config(struct mwv207_output *output)
+{
+	struct drm_display_mode *mode = &output->cur_crtc->state->adjusted_mode;
+	int hpol, vpol;
+
+	hpol = (mode->flags & DRM_MODE_FLAG_PHSYNC) ? 0 : 1;
+	vpol = (mode->flags & DRM_MODE_FLAG_PVSYNC) ? 0 : 1;
+
+	mwv207_output_modify(output, 0x200, 0x1 << 9, hpol << 9);
+	mwv207_output_modify(output, 0x200, 0x1 << 8, vpol << 8);
+
+}
+
+static void mwv207_dvo_select_crtc(struct mwv207_output *output)
+{
+
+	mwv207_output_modify(output, 0x200, 0x7 << 16,
+			drm_crtc_index(output->cur_crtc) << 16);
+
+	jdev_modify(output->jdev, 0x9b003c, 0xf,
+			drm_crtc_index(output->cur_crtc));
+}
+static enum drm_mode_status mwv207_dvo_mode_valid(struct mwv207_output *output,
+		const struct drm_display_mode *mode)
+{
+
+	if (mode->clock > 162000)
+		return MODE_CLOCK_HIGH;
+
+	return MODE_OK;
+}
+
+static enum drm_mode_status mwv207_dvo_connector_mode_valid(struct drm_connector *connector,
+		struct drm_display_mode *mode)
+{
+	return mwv207_dvo_mode_valid(connector_to_output(connector), mode);
+}
+
+static int mwv207_dvo_detect_ctx(struct drm_connector *connector,
+			  struct drm_modeset_acquire_ctx *ctx,
+			  bool force)
+{
+	struct mwv207_output *output = connector_to_output(connector);
+
+	if (mwv207_i2c_probe(output->ddc))
+		return connector_status_connected;
+	else
+		return connector_status_disconnected;
+}
+
+static void mwv207_dvo_destroy(struct drm_connector *conn)
+{
+	drm_connector_unregister(conn);
+	drm_connector_cleanup(conn);
+}
+
+static const struct drm_connector_helper_funcs mwv207_dvo_connector_helper_funcs = {
+	.get_modes  = mwv207_output_get_modes,
+	.mode_valid = mwv207_dvo_connector_mode_valid,
+	.detect_ctx = mwv207_dvo_detect_ctx
+};
+
+static const struct drm_connector_funcs mwv207_dvo_connector_funcs = {
+	.reset                  = drm_atomic_helper_connector_reset,
+	.fill_modes             = drm_helper_probe_single_connector_modes,
+	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+	.atomic_destroy_state   = drm_atomic_helper_connector_destroy_state,
+	.destroy                = mwv207_dvo_destroy,
+	.late_register          = mwv207_output_late_register,
+	.early_unregister       = mwv207_output_early_unregister,
+};
+
+static enum drm_mode_status mwv207_dvo_encoder_mode_valid(struct drm_encoder *encoder,
+		const struct drm_display_mode *mode)
+{
+	struct mwv207_output *output = encoder_to_output(encoder);
+
+	return mwv207_dvo_mode_valid(output, mode);
+}
+
+static int mwv207_dvo_encoder_atomic_check(struct drm_encoder *encoder,
+		struct drm_crtc_state *crtc_state,
+		struct drm_connector_state *conn_state)
+{
+	return 0;
+}
+
+static void mwv207_dvo_encoder_enable(struct drm_encoder *encoder)
+{
+	struct mwv207_output *output = encoder_to_output(encoder);
+
+	mwv207_dvo_select_crtc(output);
+
+	mwv207_dvo_config(output);
+
+	mwv207_dvo_switch(output, true);
+}
+
+static void mwv207_dvo_encoder_disable(struct drm_encoder *encoder)
+{
+	struct mwv207_output *output = encoder_to_output(encoder);
+
+	mwv207_dvo_switch(output, false);
+}
+
+static void mwv207_dvo_encoder_reset(struct drm_encoder *encoder)
+{
+	mwv207_dvo_encoder_disable(encoder);
+}
+
+static const struct drm_encoder_funcs mwv207_dvo_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+	.reset   = mwv207_dvo_encoder_reset,
+};
+
+static const struct drm_encoder_helper_funcs mwv207_dvo_encoder_helper_funcs = {
+	.mode_valid      = mwv207_dvo_encoder_mode_valid,
+	.atomic_check    = mwv207_dvo_encoder_atomic_check,
+	.enable          = mwv207_dvo_encoder_enable,
+	.disable         = mwv207_dvo_encoder_disable,
+};
+
+int mwv207_dvo_init(struct mwv207_device *jdev)
+{
+	struct mwv207_output *output;
+	int ret;
+
+	output = devm_kzalloc(jdev->dev, sizeof(*output), GFP_KERNEL);
+	if (!output)
+		return -ENOMEM;
+
+	output->jdev = jdev;
+	output->idx  = 0;
+	output->mmio = jdev->mmio + 0x9a0000;
+	output->i2c_chan = 5;
+
+	output->connector.polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
+	ret = drm_connector_init(&jdev->base, &output->connector,
+			&mwv207_dvo_connector_funcs, DRM_MODE_CONNECTOR_DVII);
+	if (ret)
+		return ret;
+	drm_connector_helper_add(&output->connector, &mwv207_dvo_connector_helper_funcs);
+
+	output->encoder.possible_crtcs = (1 << jdev->base.mode_config.num_crtc) - 1;
+	ret = drm_encoder_init(&jdev->base, &output->encoder,
+			&mwv207_dvo_encoder_funcs, DRM_MODE_ENCODER_DAC,
+			"dvo-%d", output->idx);
+	if (ret)
+		return ret;
+	drm_encoder_helper_add(&output->encoder, &mwv207_dvo_encoder_helper_funcs);
+
+	ret = drm_connector_attach_encoder(&output->connector, &output->encoder);
+	if (ret)
+		return ret;
+
+	return drm_connector_register(&output->connector);
+}

drivers/gpu/drm/mwv207/dc/mwv207_edp.c

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2020 ChangSha JingJiaMicro Electronics Co., Ltd.
+ * All rights reserved.
+ *
+ * Author:
+ *      shanjinkui <shanjinkui@jingjiamicro.com>
+ *
+ * The software and information contained herein is proprietary and
+ * confidential to JingJiaMicro Electronics. This software can only be
+ * used by JingJiaMicro Electronics Corporation. Any use, reproduction,
+ * or disclosure without the written permission of JingJiaMicro
+ * Electronics Corporation is strictly prohibited.
+ */
+#include "mwv207_vi.h"
+
+int mwv207_edp_init(struct mwv207_device *jdev)
+{
+	pr_info("%s TBD", __func__);
+	return 0;
+}