[U-Boot] [PATCH 52/55] video: Remove the old parade driver

Simon Glass sjg at chromium.org
Fri Jul 3 02:16:29 CEST 2015


We have a new one which uses driver model and device tree configuration.
Remove the old one.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 drivers/video/Makefile      |   1 -
 drivers/video/parade.c      | 231 --------------------------------------------
 include/configs/peach-pi.h  |   2 -
 include/configs/peach-pit.h |   2 -
 include/fdtdec.h            |   1 -
 include/parade.h            |  18 ----
 lib/fdtdec.c                |   1 -
 7 files changed, 256 deletions(-)
 delete mode 100644 drivers/video/parade.c
 delete mode 100644 include/parade.h

diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 599fe83..c2c4dfc 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -51,7 +51,6 @@ obj-$(CONFIG_VIDEO_VESA) += vesa_fb.o
 obj-$(CONFIG_FORMIKE) += formike.o
 obj-$(CONFIG_LG4573) += lg4573.o
 obj-$(CONFIG_AM335X_LCD) += am335x-fb.o
-obj-$(CONFIG_VIDEO_PARADE) += parade.o
 
 obj-${CONFIG_VIDEO_TEGRA124} += tegra124/
 
diff --git a/drivers/video/parade.c b/drivers/video/parade.c
deleted file mode 100644
index ae50971..0000000
--- a/drivers/video/parade.c
+++ /dev/null
@@ -1,231 +0,0 @@
-/*
- * Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/*
- * This file is a driver for Parade dP<->LVDS bridges. The original submission
- * is for the ps8625 chip.
- */
-#include <config.h>
-#include <common.h>
-#include <i2c.h>
-#include <fdtdec.h>
-#include <asm/gpio.h>
-
-/*
- * Initialization of the chip is a process of writing certaing values into
- * certain registers over i2c bus. The chip in fact responds to a range of
- * addresses on the i2c bus, so for each written value three parameters are
- * required: i2c address, register address and the actual value.
- *
- * The base address is derived from the device tree, only address offset is
- * stored in the table below.
- */
-/**
- * struct reg_data() - data for a parade register write
- *
- * @addr_off        offset from the i2c base address for parade
- * @reg_addr        register address to write
- * @value           value to be written
- */
-struct reg_data {
-	uint8_t addr_off;
-	uint8_t reg;
-	uint8_t value;
-} _packed;
-
-#define END_OF_TABLE 0xff /* Ficticious offset */
-
-static const struct reg_data parade_values[] = {
-	{0x02, 0xa1, 0x01},  /* HPD low */
-	 /*
-	  * SW setting
-	  * [1:0] SW output 1.2V voltage is lower to 96%
-	  */
-	{0x04, 0x14, 0x01},
-	 /*
-	  * RCO SS setting
-	  * [5:4] = b01 0.5%, b10 1%, b11 1.5%
-	  */
-	{0x04, 0xe3, 0x20},
-	{0x04, 0xe2, 0x80}, /* [7] RCO SS enable */
-	 /*
-	  *  RPHY Setting
-	  * [3:2] CDR tune wait cycle before
-	  * measure for fine tune b00: 1us,
-	  * 01: 0.5us, 10:2us, 11:4us.
-	  */
-	{0x04, 0x8a, 0x0c},
-	{0x04, 0x89, 0x08}, /* [3] RFD always on */
-	 /*
-	  * CTN lock in/out:
-	  * 20000ppm/80000ppm. Lock out 2
-	  * times.
-	  */
-	{0x04, 0x71, 0x2d},
-	 /*
-	  * 2.7G CDR settings
-	  * NOF=40LSB for HBR CDR setting
-	  */
-	{0x04, 0x7d, 0x07},
-	{0x04, 0x7b, 0x00},  /* [1:0] Fmin=+4bands */
-	{0x04, 0x7a, 0xfd},  /* [7:5] DCO_FTRNG=+-40% */
-	 /*
-	  * 1.62G CDR settings
-	  * [5:2]NOF=64LSB [1:0]DCO scale is 2/5
-	  */
-	{0x04, 0xc0, 0x12},
-	{0x04, 0xc1, 0x92},  /* Gitune=-37% */
-	{0x04, 0xc2, 0x1c},  /* Fbstep=100% */
-	{0x04, 0x32, 0x80},  /* [7] LOS signal disable */
-	 /*
-	  * RPIO Setting
-	  * [7:4] LVDS driver bias current :
-	  * 75% (250mV swing)
-	  */
-	{0x04, 0x00, 0xb0},
-	 /*
-	  * [7:6] Right-bar GPIO output strength is 8mA
-	  */
-	{0x04, 0x15, 0x40},
-	 /* EQ Training State Machine Setting */
-	{0x04, 0x54, 0x10},  /* RCO calibration start */
-	 /* [4:0] MAX_LANE_COUNT set to one lane */
-	{0x01, 0x02, 0x81},
-	 /* [4:0] LANE_COUNT_SET set to one lane */
-	{0x01, 0x21, 0x81},
-	{0x00, 0x52, 0x20},
-	{0x00, 0xf1, 0x03},  /* HPD CP toggle enable */
-	{0x00, 0x62, 0x41},
-	 /* Counter number, add 1ms counter delay */
-	{0x00, 0xf6, 0x01},
-	 /*
-	  * [6]PWM function control by
-	  * DPCD0040f[7], default is PWM
-	  * block always works.
-	  */
-	{0x00, 0x77, 0x06},
-	 /*
-	  * 04h Adjust VTotal tolerance to
-	  * fix the 30Hz no display issue
-	  */
-	{0x00, 0x4c, 0x04},
-	 /* DPCD00400='h00, Parade OUI = 'h001cf8 */
-	{0x01, 0xc0, 0x00},
-	{0x01, 0xc1, 0x1c},  /* DPCD00401='h1c */
-	{0x01, 0xc2, 0xf8},  /* DPCD00402='hf8 */
-	 /*
-	  * DPCD403~408 = ASCII code
-	  * D2SLV5='h4432534c5635
-	  */
-	{0x01, 0xc3, 0x44},
-	{0x01, 0xc4, 0x32},  /* DPCD404 */
-	{0x01, 0xc5, 0x53},  /* DPCD405 */
-	{0x01, 0xc6, 0x4c},  /* DPCD406 */
-	{0x01, 0xc7, 0x56},  /* DPCD407 */
-	{0x01, 0xc8, 0x35},  /* DPCD408 */
-	 /*
-	  * DPCD40A, Initial Code major  revision
-	  * '01'
-	  */
-	{0x01, 0xca, 0x01},
-	 /* DPCD40B, Initial Code minor revision '05' */
-	{0x01, 0xcb, 0x05},
-	 /* DPCD720, Select internal PWM */
-	{0x01, 0xa5, 0xa0},
-	 /*
-	  * FFh for 100% PWM of brightness, 0h for 0%
-	  * brightness
-	  */
-	{0x01, 0xa7, 0xff},
-	 /*
-	  * Set LVDS output as 6bit-VESA mapping,
-	  * single LVDS channel
-	  */
-	{0x01, 0xcc, 0x13},
-	 /* Enable SSC set by register */
-	{0x02, 0xb1, 0x20},
-	 /*
-	  * Set SSC enabled and +/-1% central
-	  * spreading
-	  */
-	{0x04, 0x10, 0x16},
-	 /* MPU Clock source: LC => RCO */
-	{0x04, 0x59, 0x60},
-	{0x04, 0x54, 0x14},  /* LC -> RCO */
-	{0x02, 0xa1, 0x91},  /* HPD high */
-	{END_OF_TABLE}
-};
-
-/**
- * Write values table into the Parade eDP bridge
- *
- * @return      0 on success, non-0 on failure
- */
-
-static int parade_write_regs(int base_addr, const struct reg_data *table)
-{
-	int ret = 0;
-
-	while (!ret && (table->addr_off != END_OF_TABLE)) {
-		ret = i2c_write(base_addr + table->addr_off,
-				table->reg, 1,
-				(uint8_t *)&table->value,
-				sizeof(table->value));
-		table++;
-	}
-	return ret;
-}
-
-int parade_init(const void *blob)
-{
-	struct gpio_desc rst_gpio;
-	struct gpio_desc slp_gpio;
-	int bus, old_bus;
-	int parent;
-	int node;
-	int addr;
-	int ret;
-
-	node = fdtdec_next_compatible(blob, 0, COMPAT_PARADE_PS8625);
-	if (node < 0)
-		return 0;
-
-	parent = fdt_parent_offset(blob, node);
-	if (parent < 0) {
-		debug("%s: Could not find parent i2c node\n", __func__);
-		return -1;
-	}
-	addr = fdtdec_get_int(blob, node, "reg", -1);
-	if (addr < 0) {
-		debug("%s: Could not find i2c address\n", __func__);
-		return -1;
-	}
-
-	gpio_request_by_name_nodev(blob, node, "sleep-gpio", 0, &slp_gpio,
-				   GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
-
-	mdelay(10);
-
-	gpio_request_by_name_nodev(blob, node, "reset-gpio", 0, &rst_gpio,
-				   GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
-
-	bus = i2c_get_bus_num_fdt(parent);
-	old_bus = i2c_get_bus_num();
-
-	debug("%s: Using i2c bus %d\n", __func__, bus);
-
-	/*
-	 * TODO(sjg at chromium.org): Hmmm we seem to need some sort of delay
-	 * here.
-	 */
-	mdelay(40);
-	i2c_set_bus_num(bus);
-	ret = parade_write_regs(addr, parade_values);
-
-	i2c_set_bus_num(old_bus);
-
-	return ret;
-}
diff --git a/include/configs/peach-pi.h b/include/configs/peach-pi.h
index b97faf2..0f5e9fe 100644
--- a/include/configs/peach-pi.h
+++ b/include/configs/peach-pi.h
@@ -32,8 +32,6 @@
 #define CONFIG_SYS_PROMPT	"Peach-Pi # "
 #define CONFIG_IDENT_STRING	" for Peach-Pi"
 
-#define CONFIG_VIDEO_PARADE
-
 /* Display */
 #define CONFIG_LCD
 #ifdef CONFIG_LCD
diff --git a/include/configs/peach-pit.h b/include/configs/peach-pit.h
index beb65b0..f259434 100644
--- a/include/configs/peach-pit.h
+++ b/include/configs/peach-pit.h
@@ -32,8 +32,6 @@
 #define CONFIG_SYS_PROMPT	"Peach-Pit # "
 #define CONFIG_IDENT_STRING	" for Peach-Pit"
 
-#define CONFIG_VIDEO_PARADE
-
 /* DRAM Memory Banks */
 #define CONFIG_NR_DRAM_BANKS	4
 #define SDRAM_BANK_SIZE		(512UL << 20UL)	/* 512 MB */
diff --git a/include/fdtdec.h b/include/fdtdec.h
index c48e9f8..0d85d6d 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -169,7 +169,6 @@ enum fdt_compat_id {
 	COMPAT_SANDBOX_LCD_SDL,		/* Sandbox LCD emulation with SDL */
 	COMPAT_NXP_PTN3460,		/* NXP PTN3460 DP/LVDS bridge */
 	COMPAT_SAMSUNG_EXYNOS_SYSMMU,	/* Exynos sysmmu */
-	COMPAT_PARADE_PS8625,		/* Parade PS8622 EDP->LVDS bridge */
 	COMPAT_INTEL_MICROCODE,		/* Intel microcode update */
 	COMPAT_MEMORY_SPD,		/* Memory SPD information */
 	COMPAT_INTEL_PANTHERPOINT_AHCI,	/* Intel Pantherpoint AHCI */
diff --git a/include/parade.h b/include/parade.h
deleted file mode 100644
index 887f56d..0000000
--- a/include/parade.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * (C) Copyright 2012 Samsung Electronics
- * Donghwa Lee <dh09.lee at samsung.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#ifndef __PARADE_H__
-#define __PARADE_H__
-
-/* Initialize the Parade dP<->LVDS bridge if present */
-#ifdef CONFIG_VIDEO_PARADE
-int parade_init(const void *blob);
-#else
-static inline int parade_init(const void *blob) { return -1; }
-#endif
-
-#endif	/* __PARADE_H__ */
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 5ede10c..636b84d 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -62,7 +62,6 @@ static const char * const compat_names[COMPAT_COUNT] = {
 	COMPAT(SANDBOX_LCD_SDL, "sandbox,lcd-sdl"),
 	COMPAT(COMPAT_NXP_PTN3460, "nxp,ptn3460"),
 	COMPAT(SAMSUNG_EXYNOS_SYSMMU, "samsung,sysmmu-v3.3"),
-	COMPAT(PARADE_PS8625, "parade,ps8625"),
 	COMPAT(INTEL_MICROCODE, "intel,microcode"),
 	COMPAT(MEMORY_SPD, "memory-spd"),
 	COMPAT(INTEL_PANTHERPOINT_AHCI, "intel,pantherpoint-ahci"),
-- 
2.4.3.573.g4eafbef



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