Fl2000 drm

.gitignore

@@ -0,0 +1,12 @@
+*.o
+*.cmd
+*.ko
+*.cm
+Module.symvers
+modules.order
+.tmp_versions
+fl2000.mod.c
+sample/fltes
+.cproject
+.project
+.settings

Makefile

@@ -0,0 +1,51 @@
+# Makefile
+#
+# (c)Copyright 2017, Fresco Logic, Incorporated.
+#
+# The contents of this file are property of Fresco Logic, Incorporated and are strictly protected
+# by Non Disclosure Agreements. Distribution in any form to unauthorized parties is strictly prohibited.
+#
+# Purpose:
+#
+# NOTE: DO NOT SEND THIS FILE OUTSIDE OF FRESCO LOGIC.
+#
+
+fl2000-y := src/fl2000_module.o \
+	    src/fl2000_bulk.o \
+	    src/fl2000_ioctl.o \
+	    src/fl2000_render.o \
+	    src/fl2000_dev.o \
+	    src/fl2000_dongle.o \
+	    src/fl2000_big_table.o \
+	    src/fl2000_i2c.o \
+	    src/fl2000_register.o \
+	    src/fl2000_monitor.o \
+	    src/fl2000_desc.o \
+	    src/fl2000_interrupt.o \
+	    src/fl2000_compression.o \
+	    src/fl2000_surface.o \
+	    src/fl2000_fops.o \
+	    src/fl2000_hdmi.o \
+
+ifdef CONFIG_USB_FL2000
+
+obj-$(CONFIG_USB_FL2000) := fl2000.o
+
+else
+
+obj-m := fl2000.o
+
+KSRC = /lib/modules/$(shell uname -r)/build
+
+all:	modules
+
+modules:
+	make -C $(KSRC) M=$(PWD) modules
+
+clean:
+	make -C $(KSRC) M=$(PWD) clean
+	rm -f Module.symvers
+
+endif
+
+

sample/Makefile

@@ -1,10 +1,5 @@
-arm_prefix = /opt/hi3798/arm-hisiv200-linux/bin/arm-hisiv200-linux-gnueabi
+all:
+	gcc main.c -o fltes
 
-all:	fltest fltest_arm
-
-fltest:	main.c
-	gcc main.c -o fltest
-
-fltest_arm:	main.c
-	$(arm_prefix)-gcc main.c -Xlinker -static -static-libgcc -o fltest_arm
-	$(arm_prefix)-strip fltest_arm
+clean:
+	rm fltest

src/fl2000_big_table.h

@@ -11,16 +11,11 @@
 #ifndef _FL2000_BIG_TABLE_H_
 #define _FL2000_BIG_TABLE_H_
 
-#define VGA_BIG_TABLE_SIZE              73
-
 #define VGA_BIG_TABLE_24BIT_R0		0
-#define VGA_BIG_TABLE_24BIT_R1		1
 #define VGA_BIG_TABLE_16BIT_R0		2
-#define VGA_BIG_TABLE_16BIT_R1		3
-#define VGA_BIG_TABLE_8BIT_R0		4
-#define VGA_BIG_TABLE_8BIT_R1		5
 
-struct resolution_entry const *
+
+struct fl2000_timing_entry const *
 fl2000_table_get_entry(
 	uint32_t table_num,
 	uint32_t width,

src/fl2000_bulk.c

@@ -246,17 +246,15 @@ void fl2000_bulk_prepare_urb(
 		fl2000_bulk_main_completion,
 		render_ctx);
 
-	if (dev_ctx->vr_params.end_of_frame_type == EOF_ZERO_LENGTH) {
-		usb_init_urb(render_ctx->zero_length_urb);
-		usb_fill_bulk_urb(
-			render_ctx->zero_length_urb,
-			dev_ctx->usb_dev,
-			dev_ctx->usb_pipe_bulk_out,
-			NULL,
-			0,
-			fl2000_bulk_zero_length_completion,
-			render_ctx);
-	}
+	usb_init_urb(render_ctx->zero_length_urb);
+	usb_fill_bulk_urb(
+		render_ctx->zero_length_urb,
+		dev_ctx->usb_dev,
+		dev_ctx->usb_pipe_bulk_out,
+		NULL,
+		0,
+		fl2000_bulk_zero_length_completion,
+		render_ctx);
 }
 
 // eof: fl2000_bulk.c

src/fl2000_compression.c

@@ -24,10 +24,11 @@ GET_BYTES_PER_PIXEL(
 	uint32_t bytes_per_pixel;
 
 	switch (image_type) {
+#if 0	/* ULLI : disabled, code is kept here only for consistently */	
 	case OUTPUT_IMAGE_TYPE_RGB_8:
 		bytes_per_pixel = PIXEL_BYTE_1;
 		break;
-
+#endif
 	case OUTPUT_IMAGE_TYPE_RGB_16:
 		bytes_per_pixel = PIXEL_BYTE_2;
 		break;

src/fl2000_ctx.h

@@ -22,42 +22,22 @@ struct render_ctx;
  */
 #define	NUM_RENDER_ON_BUS	2
 
-struct resolution_entry
-{
+struct fl2000_timing_entry {
 	uint32_t 	width;
 	uint32_t 	height;
 	uint32_t 	freq;
 	uint32_t 	h_total_time;
-	uint32_t 	h_sync_time;
-	uint32_t 	h_back_porch;
 	uint32_t 	v_total_time;
-	uint32_t 	v_sync_time;
-	uint32_t 	v_back_porch;
-	uint32_t 	isoch_num_of_pkt;
-	uint32_t 	isoch_td_size_in_kb;
-	uint32_t 	isoch_zero_bytes;
-	uint32_t 	itp_per_frame;
-	uint32_t 	num_of_idle;
-	uint32_t 	td_size;
 	uint32_t 	h_sync_reg_1;
 	uint32_t 	h_sync_reg_2;
 	uint32_t 	v_sync_reg_1;
 	uint32_t 	v_sync_reg_2;
-	uint32_t 	iso_reg;
-	uint32_t 	bulk_fpga_pll;
 	uint32_t 	bulk_asic_pll;
-	uint32_t 	isoch_fpga_pll;
-	uint32_t 	isoch_asic_pll;
-	uint32_t 	isoch_fpga_h_sync_reg_1;
-	uint32_t 	isoch_asic_h_sync_reg_1;
-	uint32_t 	bus_interval_adjust;
 };
 
 struct registry
 {
-	uint32_t FilterEdidTableEnable;
 	uint32_t CurrentNumberOfDevices;
-	uint32_t UsePollingMonitorConnection;
 
 	uint32_t CompressionEnable;
 	uint32_t Usb2PixelFormatTransformCompressionEnable;
@@ -69,12 +49,7 @@ struct vr_params
 	uint32_t	height;
 	uint32_t	freq;
 	uint32_t	h_total_time;
-	uint32_t	h_sync_time;
-	uint32_t	h_back_porch;
 	uint32_t	v_total_time;
-	uint32_t	v_sync_time;
-	uint32_t	v_back_porch;
-	uint32_t	trasfer_pipe;
 
 	// Compression.
 	//
@@ -84,14 +59,9 @@ struct vr_params
 	uint32_t	compression_mask_index_min;
 	uint32_t	compression_mask_index_max;
 
-	uint32_t	h_sync_reg_1;
-	uint32_t	h_sync_reg_2;
-	uint32_t	v_sync_reg_1;
-	uint32_t	v_sync_reg_2;
 	uint32_t	pll_reg;
 	uint32_t	input_bytes_per_pixel;
 	uint32_t	output_image_type;
-	uint32_t	end_of_frame_type;
 	uint32_t	color_mode_16bit;
 };
 
@@ -162,6 +132,22 @@ struct render {
 	uint32_t		green_light;
 };
 
+struct urb_node {
+	struct list_head entry;
+	struct dev_ctx *fl2k;
+	struct delayed_work release_urb_work;
+	struct urb *urb;
+};
+
+struct urb_list {
+	struct list_head list;
+	spinlock_t lock;
+	struct semaphore limit_sem;
+	int available;
+	int count;
+	size_t size;
+};
+
 struct dev_ctx {
 	struct usb_device*		usb_dev;
 	struct usb_device_descriptor	usb_dev_desc;
@@ -181,6 +167,8 @@ struct dev_ctx {
 	 * __sync_xxx_and_fetch. kind of sucks. we use our sync lock here.
 	 */
 	spinlock_t			count_lock;
+	struct urb_list urbs;
+	atomic_t lost_pixels; /* 1 = a render op failed. Need screen refresh */
 
 	/*
 	 * bulk out interface

src/fl2000_def.h

@@ -71,28 +71,20 @@
 #define EDID_SIZE                          	128
 #define NUM_OF_RENDER_CTX                       4
 
-#define IS_DEVICE_USB3LINK(dev_ctx)             (USB3_BCD == dev_ctx->usb_dev_desc.bcdUSB)
-#define IS_DEVICE_USB2LINK(dev_ctx)             (!IS_DEVICE_USB3LINK(dev_ctx))
-
+#if 0
 #define OUTPUT_IMAGE_TYPE_RGB_8              	0
+#endif
 #define OUTPUT_IMAGE_TYPE_RGB_16             	1
 #define OUTPUT_IMAGE_TYPE_RGB_24             	2
 
 #define VR_USB_LINKUP_TYPE_NONE             	0
 #define VR_USB_LINKUP_TYPE_USB2             	1
 #define VR_USB_LINKUP_TYPE_USB3             	2
 
-#define VR_TRANSFER_PIPE_BULK                	0
-#define VR_TRANSFER_PIPE_ISOCH               	1
-#define VR_TRANSFER_PIPE_MAX                 	2
-
 #define PIXEL_BYTE_1                            1
 #define PIXEL_BYTE_2                            2
 #define PIXEL_BYTE_3                            3
 
-#define EOF_PENDING_BIT       			0
-#define EOF_ZERO_LENGTH       			1
-
 #define VR_16_BIT_COLOR_MODE_565                0
 #define VR_16_BIT_COLOR_MODE_555                1