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-rw-r--r--drivers/video/fbdev/Kconfig8
-rw-r--r--drivers/video/fbdev/Makefile2
-rw-r--r--drivers/video/fbdev/amba-clcd-nomadik.c251
-rw-r--r--drivers/video/fbdev/amba-clcd-nomadik.h24
-rw-r--r--drivers/video/fbdev/amba-clcd-versatile.c567
-rw-r--r--drivers/video/fbdev/amba-clcd-versatile.h17
-rw-r--r--drivers/video/fbdev/amba-clcd.c98
-rw-r--r--include/linux/amba/clcd.h31
8 files changed, 2 insertions, 996 deletions
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 8fae27903eb8..47ecf9ad4d51 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -293,14 +293,6 @@ config FB_ARMCLCD
here and read <file:Documentation/kbuild/modules.txt>. The module
will be called amba-clcd.
-# Helper logic selected only by the ARM Versatile platform family.
-config PLAT_VERSATILE_CLCD
- def_bool ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || ARCH_INTEGRATOR
- depends on ARM
- depends on FB_ARMCLCD && FB=y
- select REGMAP
- select MFD_SYSCON
-
config FB_ACORN
bool "Acorn VIDC support"
depends on (FB = y) && ARM && ARCH_ACORN
diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile
index 846b0c9ea9db..655f2537cac1 100644
--- a/drivers/video/fbdev/Makefile
+++ b/drivers/video/fbdev/Makefile
@@ -76,8 +76,6 @@ obj-$(CONFIG_FB_ATMEL) += atmel_lcdfb.o
obj-$(CONFIG_FB_PVR2) += pvr2fb.o
obj-$(CONFIG_FB_VOODOO1) += sstfb.o
obj-$(CONFIG_FB_ARMCLCD) += amba-clcd.o
-obj-$(CONFIG_ARCH_NOMADIK) += amba-clcd-nomadik.o
-obj-$(CONFIG_PLAT_VERSATILE_CLCD) += amba-clcd-versatile.o
obj-$(CONFIG_FB_GOLDFISH) += goldfishfb.o
obj-$(CONFIG_FB_68328) += 68328fb.o
obj-$(CONFIG_FB_GBE) += gbefb.o
diff --git a/drivers/video/fbdev/amba-clcd-nomadik.c b/drivers/video/fbdev/amba-clcd-nomadik.c
deleted file mode 100644
index cd2db1113e67..000000000000
--- a/drivers/video/fbdev/amba-clcd-nomadik.c
+++ /dev/null
@@ -1,251 +0,0 @@
-#include <linux/amba/bus.h>
-#include <linux/amba/clcd.h>
-#include <linux/gpio/consumer.h>
-#include <linux/of.h>
-#include <linux/of_graph.h>
-#include <linux/delay.h>
-#include <linux/bitops.h>
-#include <linux/mfd/syscon.h>
-#include <linux/regmap.h>
-
-#include "amba-clcd-nomadik.h"
-
-static struct gpio_desc *grestb;
-static struct gpio_desc *scen;
-static struct gpio_desc *scl;
-static struct gpio_desc *sda;
-
-static u8 tpg110_readwrite_reg(bool write, u8 address, u8 outval)
-{
- int i;
- u8 inval = 0;
-
- /* Assert SCEN */
- gpiod_set_value_cansleep(scen, 1);
- ndelay(150);
- /* Hammer out the address */
- for (i = 5; i >= 0; i--) {
- if (address & BIT(i))
- gpiod_set_value_cansleep(sda, 1);
- else
- gpiod_set_value_cansleep(sda, 0);
- ndelay(150);
- /* Send an SCL pulse */
- gpiod_set_value_cansleep(scl, 1);
- ndelay(160);
- gpiod_set_value_cansleep(scl, 0);
- ndelay(160);
- }
-
- if (write) {
- /* WRITE */
- gpiod_set_value_cansleep(sda, 0);
- } else {
- /* READ */
- gpiod_set_value_cansleep(sda, 1);
- }
- ndelay(150);
- /* Send an SCL pulse */
- gpiod_set_value_cansleep(scl, 1);
- ndelay(160);
- gpiod_set_value_cansleep(scl, 0);
- ndelay(160);
-
- if (!write)
- /* HiZ turn-around cycle */
- gpiod_direction_input(sda);
- ndelay(150);
- /* Send an SCL pulse */
- gpiod_set_value_cansleep(scl, 1);
- ndelay(160);
- gpiod_set_value_cansleep(scl, 0);
- ndelay(160);
-
- /* Hammer in/out the data */
- for (i = 7; i >= 0; i--) {
- int value;
-
- if (write) {
- value = !!(outval & BIT(i));
- gpiod_set_value_cansleep(sda, value);
- } else {
- value = gpiod_get_value(sda);
- if (value)
- inval |= BIT(i);
- }
- ndelay(150);
- /* Send an SCL pulse */
- gpiod_set_value_cansleep(scl, 1);
- ndelay(160);
- gpiod_set_value_cansleep(scl, 0);
- ndelay(160);
- }
-
- gpiod_direction_output(sda, 0);
- /* Deassert SCEN */
- gpiod_set_value_cansleep(scen, 0);
- /* Satisfies SCEN pulse width */
- udelay(1);
-
- return inval;
-}
-
-static u8 tpg110_read_reg(u8 address)
-{
- return tpg110_readwrite_reg(false, address, 0);
-}
-
-static void tpg110_write_reg(u8 address, u8 outval)
-{
- tpg110_readwrite_reg(true, address, outval);
-}
-
-static void tpg110_startup(struct device *dev)
-{
- u8 val;
-
- dev_info(dev, "TPG110 display enable\n");
- /* De-assert the reset signal */
- gpiod_set_value_cansleep(grestb, 0);
- mdelay(1);
- dev_info(dev, "de-asserted GRESTB\n");
-
- /* Test display communication */
- tpg110_write_reg(0x00, 0x55);
- val = tpg110_read_reg(0x00);
- if (val == 0x55)
- dev_info(dev, "passed communication test\n");
- val = tpg110_read_reg(0x01);
- dev_info(dev, "TPG110 chip ID: %d version: %d\n",
- val>>4, val&0x0f);
-
- /* Show display resolution */
- val = tpg110_read_reg(0x02);
- val &= 7;
- switch (val) {
- case 0x0:
- dev_info(dev, "IN 400x240 RGB -> OUT 800x480 RGB (dual scan)");
- break;
- case 0x1:
- dev_info(dev, "IN 480x272 RGB -> OUT 800x480 RGB (dual scan)");
- break;
- case 0x4:
- dev_info(dev, "480x640 RGB");
- break;
- case 0x5:
- dev_info(dev, "480x272 RGB");
- break;
- case 0x6:
- dev_info(dev, "640x480 RGB");
- break;
- case 0x7:
- dev_info(dev, "800x480 RGB");
- break;
- default:
- dev_info(dev, "ILLEGAL RESOLUTION");
- break;
- }
-
- val = tpg110_read_reg(0x03);
- dev_info(dev, "resolution is controlled by %s\n",
- (val & BIT(7)) ? "software" : "hardware");
-}
-
-static void tpg110_enable(struct clcd_fb *fb)
-{
- struct device *dev = &fb->dev->dev;
- static bool startup;
- u8 val;
-
- if (!startup) {
- tpg110_startup(dev);
- startup = true;
- }
-
- /* Take chip out of standby */
- val = tpg110_read_reg(0x03);
- val |= BIT(0);
- tpg110_write_reg(0x03, val);
-}
-
-static void tpg110_disable(struct clcd_fb *fb)
-{
- u8 val;
-
- dev_info(&fb->dev->dev, "TPG110 display disable\n");
- val = tpg110_read_reg(0x03);
- /* Put into standby */
- val &= ~BIT(0);
- tpg110_write_reg(0x03, val);
-}
-
-static void tpg110_init(struct device *dev, struct device_node *np,
- struct clcd_board *board)
-{
- dev_info(dev, "TPG110 display init\n");
-
- /* This asserts the GRESTB signal, putting the display into reset */
- grestb = devm_fwnode_get_gpiod_from_child(dev, "grestb", &np->fwnode,
- GPIOD_OUT_HIGH, "grestb");
- if (IS_ERR(grestb)) {
- dev_err(dev, "no GRESTB GPIO\n");
- return;
- }
- scen = devm_fwnode_get_gpiod_from_child(dev, "scen", &np->fwnode,
- GPIOD_OUT_LOW, "scen");
- if (IS_ERR(scen)) {
- dev_err(dev, "no SCEN GPIO\n");
- return;
- }
- scl = devm_fwnode_get_gpiod_from_child(dev, "scl", &np->fwnode,
- GPIOD_OUT_LOW, "scl");
- if (IS_ERR(scl)) {
- dev_err(dev, "no SCL GPIO\n");
- return;
- }
- sda = devm_fwnode_get_gpiod_from_child(dev, "sda", &np->fwnode,
- GPIOD_OUT_LOW, "sda");
- if (IS_ERR(sda)) {
- dev_err(dev, "no SDA GPIO\n");
- return;
- }
- board->enable = tpg110_enable;
- board->disable = tpg110_disable;
-}
-
-int nomadik_clcd_init_panel(struct clcd_fb *fb, struct device_node *panel)
-{
- if (of_device_is_compatible(panel, "tpo,tpg110"))
- tpg110_init(&fb->dev->dev, panel, fb->board);
- else
- dev_info(&fb->dev->dev, "unknown panel\n");
-
- /* Unknown panel, fall through */
- return 0;
-}
-EXPORT_SYMBOL_GPL(nomadik_clcd_init_panel);
-
-#define PMU_CTRL_OFFSET 0x0000
-#define PMU_CTRL_LCDNDIF BIT(26)
-
-int nomadik_clcd_init_board(struct amba_device *adev,
- struct clcd_board *board)
-{
- struct regmap *pmu_regmap;
-
- dev_info(&adev->dev, "Nomadik CLCD board init\n");
- pmu_regmap =
- syscon_regmap_lookup_by_compatible("stericsson,nomadik-pmu");
- if (IS_ERR(pmu_regmap)) {
- dev_err(&adev->dev, "could not find PMU syscon regmap\n");
- return PTR_ERR(pmu_regmap);
- }
- regmap_update_bits(pmu_regmap,
- PMU_CTRL_OFFSET,
- PMU_CTRL_LCDNDIF,
- 0);
- dev_info(&adev->dev, "set PMU mux to CLCD mode\n");
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(nomadik_clcd_init_board);
diff --git a/drivers/video/fbdev/amba-clcd-nomadik.h b/drivers/video/fbdev/amba-clcd-nomadik.h
deleted file mode 100644
index 462c31381fa1..000000000000
--- a/drivers/video/fbdev/amba-clcd-nomadik.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _AMBA_CLCD_NOMADIK_H
-#define _AMBA_CLCD_NOMADIK_H
-
-#include <linux/amba/bus.h>
-
-#ifdef CONFIG_ARCH_NOMADIK
-int nomadik_clcd_init_board(struct amba_device *adev,
- struct clcd_board *board);
-int nomadik_clcd_init_panel(struct clcd_fb *fb, struct device_node *panel);
-#else
-static inline int nomadik_clcd_init_board(struct amba_device *adev,
- struct clcd_board *board)
-{
- return 0;
-}
-static inline int nomadik_clcd_init_panel(struct clcd_fb *fb,
- struct device_node *panel)
-{
- return 0;
-}
-#endif
-
-#endif /* inclusion guard */
diff --git a/drivers/video/fbdev/amba-clcd-versatile.c b/drivers/video/fbdev/amba-clcd-versatile.c
deleted file mode 100644
index d42047dc4e4e..000000000000
--- a/drivers/video/fbdev/amba-clcd-versatile.c
+++ /dev/null
@@ -1,567 +0,0 @@
-#include <linux/device.h>
-#include <linux/dma-mapping.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/clcd.h>
-#include <linux/platform_data/video-clcd-versatile.h>
-#include <linux/of.h>
-#include <linux/of_graph.h>
-#include <linux/regmap.h>
-#include <linux/mfd/syscon.h>
-#include <linux/bitops.h>
-#include "amba-clcd-versatile.h"
-
-static struct clcd_panel vga = {
- .mode = {
- .name = "VGA",
- .refresh = 60,
- .xres = 640,
- .yres = 480,
- .pixclock = 39721,
- .left_margin = 40,
- .right_margin = 24,
- .upper_margin = 32,
- .lower_margin = 11,
- .hsync_len = 96,
- .vsync_len = 2,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
- .caps = CLCD_CAP_5551 | CLCD_CAP_565 | CLCD_CAP_888,
- .bpp = 16,
-};
-
-static struct clcd_panel xvga = {
- .mode = {
- .name = "XVGA",
- .refresh = 60,
- .xres = 1024,
- .yres = 768,
- .pixclock = 15748,
- .left_margin = 152,
- .right_margin = 48,
- .upper_margin = 23,
- .lower_margin = 3,
- .hsync_len = 104,
- .vsync_len = 4,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
- .caps = CLCD_CAP_5551 | CLCD_CAP_565 | CLCD_CAP_888,
- .bpp = 16,
-};
-
-/* Sanyo TM38QV67A02A - 3.8 inch QVGA (320x240) Color TFT */
-static struct clcd_panel sanyo_tm38qv67a02a = {
- .mode = {
- .name = "Sanyo TM38QV67A02A",
- .refresh = 116,
- .xres = 320,
- .yres = 240,
- .pixclock = 100000,
- .left_margin = 6,
- .right_margin = 6,
- .upper_margin = 5,
- .lower_margin = 5,
- .hsync_len = 6,
- .vsync_len = 6,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD,
- .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
- .caps = CLCD_CAP_5551,
- .bpp = 16,
-};
-
-static struct clcd_panel sanyo_2_5_in = {
- .mode = {
- .name = "Sanyo QVGA Portrait",
- .refresh = 116,
- .xres = 240,
- .yres = 320,
- .pixclock = 100000,
- .left_margin = 20,
- .right_margin = 10,
- .upper_margin = 2,
- .lower_margin = 2,
- .hsync_len = 10,
- .vsync_len = 2,
- .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_IVS | TIM2_IHS | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
- .caps = CLCD_CAP_5551,
- .bpp = 16,
-};
-
-/* Epson L2F50113T00 - 2.2 inch 176x220 Color TFT */
-static struct clcd_panel epson_l2f50113t00 = {
- .mode = {
- .name = "Epson L2F50113T00",
- .refresh = 390,
- .xres = 176,
- .yres = 220,
- .pixclock = 62500,
- .left_margin = 3,
- .right_margin = 2,
- .upper_margin = 1,
- .lower_margin = 0,
- .hsync_len = 3,
- .vsync_len = 2,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = TIM2_BCD | TIM2_IPC,
- .cntl = CNTL_LCDTFT | CNTL_BGR | CNTL_LCDVCOMP(1),
- .caps = CLCD_CAP_5551,
- .bpp = 16,
-};
-
-static struct clcd_panel *panels[] = {
- &vga,
- &xvga,
- &sanyo_tm38qv67a02a,
- &sanyo_2_5_in,
- &epson_l2f50113t00,
-};
-
-struct clcd_panel *versatile_clcd_get_panel(const char *name)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(panels); i++)
- if (strcmp(panels[i]->mode.name, name) == 0)
- break;
-
- if (i < ARRAY_SIZE(panels))
- return panels[i];
-
- pr_err("CLCD: couldn't get parameters for panel %s\n", name);
-
- return NULL;
-}
-
-int versatile_clcd_setup_dma(struct clcd_fb *fb, unsigned long framesize)
-{
- dma_addr_t dma;
-
- fb->fb.screen_base = dma_alloc_wc(&fb->dev->dev, framesize, &dma,
- GFP_KERNEL);
- if (!fb->fb.screen_base) {
- pr_err("CLCD: unable to map framebuffer\n");
- return -ENOMEM;
- }
-
- fb->fb.fix.smem_start = dma;
- fb->fb.fix.smem_len = framesize;
-
- return 0;
-}
-
-int versatile_clcd_mmap_dma(struct clcd_fb *fb, struct vm_area_struct *vma)
-{
- return dma_mmap_wc(&fb->dev->dev, vma, fb->fb.screen_base,
- fb->fb.fix.smem_start, fb->fb.fix.smem_len);
-}
-
-void versatile_clcd_remove_dma(struct clcd_fb *fb)
-{
- dma_free_wc(&fb->dev->dev, fb->fb.fix.smem_len, fb->fb.screen_base,
- fb->fb.fix.smem_start);
-}
-
-#ifdef CONFIG_OF
-
-static struct regmap *versatile_syscon_map;
-static struct regmap *versatile_ib2_map;
-
-/*
- * We detect the different syscon types from the compatible strings.
- */
-enum versatile_clcd {
- INTEGRATOR_CLCD_CM,
- VERSATILE_CLCD,
- REALVIEW_CLCD_EB,
- REALVIEW_CLCD_PB1176,
- REALVIEW_CLCD_PB11MP,
- REALVIEW_CLCD_PBA8,
- REALVIEW_CLCD_PBX,
-};
-
-static const struct of_device_id versatile_clcd_of_match[] = {
- {
- .compatible = "arm,core-module-integrator",
- .data = (void *)INTEGRATOR_CLCD_CM,
- },
- {
- .compatible = "arm,versatile-sysreg",
- .data = (void *)VERSATILE_CLCD,
- },
- {
- .compatible = "arm,realview-eb-syscon",
- .data = (void *)REALVIEW_CLCD_EB,
- },
- {
- .compatible = "arm,realview-pb1176-syscon",
- .data = (void *)REALVIEW_CLCD_PB1176,
- },
- {
- .compatible = "arm,realview-pb11mp-syscon",
- .data = (void *)REALVIEW_CLCD_PB11MP,
- },
- {
- .compatible = "arm,realview-pba8-syscon",
- .data = (void *)REALVIEW_CLCD_PBA8,
- },
- {
- .compatible = "arm,realview-pbx-syscon",
- .data = (void *)REALVIEW_CLCD_PBX,
- },
- {},
-};
-
-/*
- * Core module CLCD control on the Integrator/CP, bits
- * 8 thru 19 of the CM_CONTROL register controls a bunch
- * of CLCD settings.
- */
-#define INTEGRATOR_HDR_CTRL_OFFSET 0x0C
-#define INTEGRATOR_CLCD_LCDBIASEN BIT(8)
-#define INTEGRATOR_CLCD_LCDBIASUP BIT(9)
-#define INTEGRATOR_CLCD_LCDBIASDN BIT(10)
-/* Bits 11,12,13 controls the LCD type */
-#define INTEGRATOR_CLCD_LCDMUX_MASK (BIT(11)|BIT(12)|BIT(13))
-#define INTEGRATOR_CLCD_LCDMUX_LCD24 BIT(11)
-#define INTEGRATOR_CLCD_LCDMUX_VGA565 BIT(12)
-#define INTEGRATOR_CLCD_LCDMUX_SHARP (BIT(11)|BIT(12))
-#define INTEGRATOR_CLCD_LCDMUX_VGA555 BIT(13)
-#define INTEGRATOR_CLCD_LCDMUX_VGA24 (BIT(11)|BIT(12)|BIT(13))
-#define INTEGRATOR_CLCD_LCD0_EN BIT(14)
-#define INTEGRATOR_CLCD_LCD1_EN BIT(15)
-/* R/L flip on Sharp */
-#define INTEGRATOR_CLCD_LCD_STATIC1 BIT(16)
-/* U/D flip on Sharp */
-#define INTEGRATOR_CLCD_LCD_STATIC2 BIT(17)
-/* No connection on Sharp */
-#define INTEGRATOR_CLCD_LCD_STATIC BIT(18)
-/* 0 = 24bit VGA, 1 = 18bit VGA */
-#define INTEGRATOR_CLCD_LCD_N24BITEN BIT(19)
-
-#define INTEGRATOR_CLCD_MASK (INTEGRATOR_CLCD_LCDBIASEN | \
- INTEGRATOR_CLCD_LCDBIASUP | \
- INTEGRATOR_CLCD_LCDBIASDN | \
- INTEGRATOR_CLCD_LCDMUX_MASK | \
- INTEGRATOR_CLCD_LCD0_EN | \
- INTEGRATOR_CLCD_LCD1_EN | \
- INTEGRATOR_CLCD_LCD_STATIC1 | \
- INTEGRATOR_CLCD_LCD_STATIC2 | \
- INTEGRATOR_CLCD_LCD_STATIC | \
- INTEGRATOR_CLCD_LCD_N24BITEN)
-
-static void integrator_clcd_enable(struct clcd_fb *fb)
-{
- struct fb_var_screeninfo *var = &fb->fb.var;
- u32 val;
-
- dev_info(&fb->dev->dev, "enable Integrator CLCD connectors\n");
-
- /* FIXME: really needed? */
- val = INTEGRATOR_CLCD_LCD_STATIC1 | INTEGRATOR_CLCD_LCD_STATIC2 |
- INTEGRATOR_CLCD_LCD0_EN | INTEGRATOR_CLCD_LCD1_EN;
- if (var->bits_per_pixel <= 8 ||
- (var->bits_per_pixel == 16 && var->green.length == 5))
- /* Pseudocolor, RGB555, BGR555 */
- val |= INTEGRATOR_CLCD_LCDMUX_VGA555;
- else if (fb->fb.var.bits_per_pixel <= 16)
- /* truecolor RGB565 */
- val |= INTEGRATOR_CLCD_LCDMUX_VGA565;
- else
- val = 0; /* no idea for this, don't trust the docs */
-
- regmap_update_bits(versatile_syscon_map,
- INTEGRATOR_HDR_CTRL_OFFSET,
- INTEGRATOR_CLCD_MASK,
- val);
-}
-
-/*
- * This configuration register in the Versatile and RealView
- * family is uniformly present but appears more and more
- * unutilized starting with the RealView series.
- */
-#define SYS_CLCD 0x50
-#define SYS_CLCD_MODE_MASK (BIT(0)|BIT(1))
-#define SYS_CLCD_MODE_888 0
-#define SYS_CLCD_MODE_5551 BIT(0)
-#define SYS_CLCD_MODE_565_R_LSB BIT(1)
-#define SYS_CLCD_MODE_565_B_LSB (BIT(0)|BIT(1))
-#define SYS_CLCD_CONNECTOR_MASK (BIT(2)|BIT(3)|BIT(4)|BIT(5))
-#define SYS_CLCD_NLCDIOON BIT(2)
-#define SYS_CLCD_VDDPOSSWITCH BIT(3)
-#define SYS_CLCD_PWR3V5SWITCH BIT(4)
-#define SYS_CLCD_VDDNEGSWITCH BIT(5)
-#define SYS_CLCD_TSNSS BIT(6) /* touchscreen enable */
-#define SYS_CLCD_SSPEXP BIT(7) /* SSP expansion enable */
-
-/* The Versatile can detect the connected panel type */
-#define SYS_CLCD_CLCDID_MASK (BIT(8)|BIT(9)|BIT(10)|BIT(11)|BIT(12))
-#define SYS_CLCD_ID_SANYO_3_8 (0x00 << 8)
-#define SYS_CLCD_ID_SHARP_8_4 (0x01 << 8)
-#define SYS_CLCD_ID_EPSON_2_2 (0x02 << 8)
-#define SYS_CLCD_ID_SANYO_2_5 (0x07 << 8)
-#define SYS_CLCD_ID_VGA (0x1f << 8)
-
-#define SYS_CLCD_TSNDAV BIT(13) /* data ready from TS */
-
-/* IB2 control register for the Versatile daughterboard */
-#define IB2_CTRL 0x00
-#define IB2_CTRL_LCD_SD BIT(1) /* 1 = shut down LCD */
-#define IB2_CTRL_LCD_BL_ON BIT(0)
-#define IB2_CTRL_LCD_MASK (BIT(0)|BIT(1))
-
-static void versatile_clcd_disable(struct clcd_fb *fb)
-{
- dev_info(&fb->dev->dev, "disable Versatile CLCD connectors\n");
- regmap_update_bits(versatile_syscon_map,
- SYS_CLCD,
- SYS_CLCD_CONNECTOR_MASK,
- 0);
-
- /* If we're on an IB2 daughterboard, turn off display */
- if (versatile_ib2_map) {
- dev_info(&fb->dev->dev, "disable IB2 display\n");
- regmap_update_bits(versatile_ib2_map,
- IB2_CTRL,
- IB2_CTRL_LCD_MASK,
- IB2_CTRL_LCD_SD);
- }
-}
-
-static void versatile_clcd_enable(struct clcd_fb *fb)
-{
- struct fb_var_screeninfo *var = &fb->fb.var;
- u32 val = 0;
-
- dev_info(&fb->dev->dev, "enable Versatile CLCD connectors\n");
- switch (var->green.length) {
- case 5:
- val |= SYS_CLCD_MODE_5551;
- break;
- case 6:
- if (var->red.offset == 0)
- val |= SYS_CLCD_MODE_565_R_LSB;
- else
- val |= SYS_CLCD_MODE_565_B_LSB;
- break;
- case 8:
- val |= SYS_CLCD_MODE_888;
- break;
- }
-
- /* Set up the MUX */
- regmap_update_bits(versatile_syscon_map,
- SYS_CLCD,
- SYS_CLCD_MODE_MASK,
- val);
-
- /* Then enable the display */
- regmap_update_bits(versatile_syscon_map,
- SYS_CLCD,
- SYS_CLCD_CONNECTOR_MASK,
- SYS_CLCD_NLCDIOON | SYS_CLCD_PWR3V5SWITCH);
-
- /* If we're on an IB2 daughterboard, turn on display */
- if (versatile_ib2_map) {
- dev_info(&fb->dev->dev, "enable IB2 display\n");
- regmap_update_bits(versatile_ib2_map,
- IB2_CTRL,
- IB2_CTRL_LCD_MASK,
- IB2_CTRL_LCD_BL_ON);
- }
-}
-
-static void versatile_clcd_decode(struct clcd_fb *fb, struct clcd_regs *regs)
-{
- clcdfb_decode(fb, regs);
-
- /* Always clear BGR for RGB565: we do the routing externally */
- if (fb->fb.var.green.length == 6)
- regs->cntl &= ~CNTL_BGR;
-}
-
-static void realview_clcd_disable(struct clcd_fb *fb)
-{
- dev_info(&fb->dev->dev, "disable RealView CLCD connectors\n");
- regmap_update_bits(versatile_syscon_map,
- SYS_CLCD,
- SYS_CLCD_CONNECTOR_MASK,
- 0);
-}
-
-static void realview_clcd_enable(struct clcd_fb *fb)
-{
- dev_info(&fb->dev->dev, "enable RealView CLCD connectors\n");
- regmap_update_bits(versatile_syscon_map,
- SYS_CLCD,
- SYS_CLCD_CONNECTOR_MASK,
- SYS_CLCD_NLCDIOON | SYS_CLCD_PWR3V5SWITCH);
-}
-
-struct versatile_panel {
- u32 id;
- char *compatible;
- bool ib2;
-};
-
-static const struct versatile_panel versatile_panels[] = {
- {
- .id = SYS_CLCD_ID_VGA,
- .compatible = "VGA",
- },
- {
- .id = SYS_CLCD_ID_SANYO_3_8,
- .compatible = "sanyo,tm38qv67a02a",
- },
- {
- .id = SYS_CLCD_ID_SHARP_8_4,
- .compatible = "sharp,lq084v1dg21",
- },
- {
- .id = SYS_CLCD_ID_EPSON_2_2,
- .compatible = "epson,l2f50113t00",
- },
- {
- .id = SYS_CLCD_ID_SANYO_2_5,
- .compatible = "sanyo,alr252rgt",
- .ib2 = true,
- },
-};
-
-static void versatile_panel_probe(struct device *dev, struct device_node *panel)
-{
- struct versatile_panel const *vpanel = NULL;
- u32 val;
- int ret;
- int i;
-
- /*
- * The Versatile CLCD has a panel auto-detection mechanism.
- * We use this and look for the compatible panel in the
- * device tree.
- */
- ret = regmap_read(versatile_syscon_map, SYS_CLCD, &val);
- if (ret) {
- dev_err(dev, "cannot read CLCD syscon register\n");
- return;
- }
- val &= SYS_CLCD_CLCDID_MASK;
-
- /* First find corresponding panel information */
- for (i = 0; i < ARRAY_SIZE(versatile_panels); i++) {
- vpanel = &versatile_panels[i];
-
- if (val == vpanel->id) {
- dev_err(dev, "autodetected panel \"%s\"\n",
- vpanel->compatible);
- break;
- }
- }
- if (i == ARRAY_SIZE(versatile_panels)) {
- dev_err(dev, "could not auto-detect panel\n");
- return;
- }
-
- if (!of_device_is_compatible(panel, vpanel->compatible))
- dev_err(dev, "panel in DT is not compatible with the "
- "auto-detected panel, continuing anyway\n");
-
- /*
- * If we have a Sanyo 2.5" port
- * that we're running on an IB2 and proceed to look for the
- * IB2 syscon regmap.
- */
- if (!vpanel->ib2)
- return;
-
- versatile_ib2_map = syscon_regmap_lookup_by_compatible(
- "arm,versatile-ib2-syscon");
- if (IS_ERR(versatile_ib2_map)) {
- dev_err(dev, "could not locate IB2 control register\n");
- versatile_ib2_map = NULL;
- return;
- }
-}
-
-int versatile_clcd_init_panel(struct clcd_fb *fb, struct device_node *panel)
-{
- const struct of_device_id *clcd_id;
- enum versatile_clcd versatile_clcd_type;
- struct device_node *np;
- struct regmap *map;
- struct device *dev = &fb->dev->dev;
-
- np = of_find_matching_node_and_match(NULL, versatile_clcd_of_match,
- &clcd_id);
- if (!np) {
- /* Vexpress does not have this */
- return 0;
- }
- versatile_clcd_type = (enum versatile_clcd)clcd_id->data;
-
- map = syscon_node_to_regmap(np);
- if (IS_ERR(map)) {
- dev_err(dev, "no Versatile syscon regmap\n");
- return PTR_ERR(map);
- }
-
- switch (versatile_clcd_type) {
- case INTEGRATOR_CLCD_CM:
- versatile_syscon_map = map;
- fb->board->enable = integrator_clcd_enable;
- /* Override the caps, we have only these */
- fb->board->caps = CLCD_CAP_5551 | CLCD_CAP_RGB565 |
- CLCD_CAP_888;
- dev_info(dev, "set up callbacks for Integrator PL110\n");
- break;
- case VERSATILE_CLCD:
- versatile_syscon_map = map;
- fb->board->enable = versatile_clcd_enable;
- fb->board->disable = versatile_clcd_disable;
- fb->board->decode = versatile_clcd_decode;
- versatile_panel_probe(dev, panel);
- dev_info(dev, "set up callbacks for Versatile\n");
- break;
- case REALVIEW_CLCD_EB:
- case REALVIEW_CLCD_PB1176:
- case REALVIEW_CLCD_PB11MP:
- case REALVIEW_CLCD_PBA8:
- case REALVIEW_CLCD_PBX:
- versatile_syscon_map = map;
- fb->board->enable = realview_clcd_enable;
- fb->board->disable = realview_clcd_disable;
- dev_info(dev, "set up callbacks for RealView PL111\n");
- break;
- default:
- dev_info(dev, "unknown Versatile system controller\n");
- break;
- }
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(versatile_clcd_init_panel);
-#endif
diff --git a/drivers/video/fbdev/amba-clcd-versatile.h b/drivers/video/fbdev/amba-clcd-versatile.h
deleted file mode 100644
index b20baa47e6ad..000000000000
--- a/drivers/video/fbdev/amba-clcd-versatile.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Special local versatile callbacks
- */
-#include <linux/of.h>
-#include <linux/amba/bus.h>
-#include <linux/platform_data/video-clcd-versatile.h>
-
-#if defined(CONFIG_PLAT_VERSATILE_CLCD) && defined(CONFIG_OF)
-int versatile_clcd_init_panel(struct clcd_fb *fb, struct device_node *panel);
-#else
-static inline int versatile_clcd_init_panel(struct clcd_fb *fb,
- struct device_node *panel)
-{
- return 0;
-}
-#endif
diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c
index 38c1f324ce15..89324e42a033 100644
--- a/drivers/video/fbdev/amba-clcd.c
+++ b/drivers/video/fbdev/amba-clcd.c
@@ -30,9 +30,6 @@
#include <video/of_display_timing.h>
#include <video/videomode.h>
-#include "amba-clcd-nomadik.h"
-#include "amba-clcd-versatile.h"
-
#define to_clcd(info) container_of(info, struct clcd_fb, fb)
/* This is limited to 16 characters when displayed by X startup */
@@ -223,15 +220,6 @@ clcdfb_set_bitfields(struct clcd_fb *fb, struct fb_var_screeninfo *var)
var->blue.length = 4;
}
break;
- case 24:
- if (fb->vendor->packed_24_bit_pixels) {
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- } else {
- ret = -EINVAL;
- }
- break;
case 32:
/* If we can't do 888, reject */
caps &= CLCD_CAP_888;
@@ -318,12 +306,6 @@ static int clcdfb_set_par(struct fb_info *info)
clcdfb_disable(fb);
- /* Some variants must be clocked here */
- if (fb->vendor->clock_timregs && !fb->clk_enabled) {
- fb->clk_enabled = true;
- clk_enable(fb->clk);
- }
-
writel(regs.tim0, fb->regs + CLCD_TIM0);
writel(regs.tim1, fb->regs + CLCD_TIM1);
writel(regs.tim2, fb->regs + CLCD_TIM2);
@@ -465,14 +447,8 @@ static int clcdfb_register(struct clcd_fb *fb)
fb->off_ienb = CLCD_PL111_IENB;
fb->off_cntl = CLCD_PL111_CNTL;
} else {
- if (of_machine_is_compatible("arm,versatile-ab") ||
- of_machine_is_compatible("arm,versatile-pb")) {
- fb->off_ienb = CLCD_PL111_IENB;
- fb->off_cntl = CLCD_PL111_CNTL;
- } else {
- fb->off_ienb = CLCD_PL110_IENB;
- fb->off_cntl = CLCD_PL110_CNTL;
- }
+ fb->off_ienb = CLCD_PL110_IENB;
+ fb->off_cntl = CLCD_PL110_CNTL;
}
fb->clk = clk_get(&fb->dev->dev, NULL);
@@ -713,42 +689,6 @@ static int clcdfb_of_init_tft_panel(struct clcd_fb *fb, u32 r0, u32 g0, u32 b0)
if (r0 != 0 && b0 == 0)
fb->panel->bgr_connection = true;
- if (fb->panel->caps && fb->vendor->st_bitmux_control) {
- /*
- * Set up the special bits for the Nomadik control register
- * (other platforms tend to do this through an external
- * register).
- */
-
- /* Offset of the highest used color */
- int maxoff = max3(r0, g0, b0);
- /* Most significant bit out, highest used bit */
- int msb = 0;
-
- if (fb->panel->caps & CLCD_CAP_888) {
- msb = maxoff + 8 - 1;
- } else if (fb->panel->caps & CLCD_CAP_565) {
- msb = maxoff + 5 - 1;
- fb->panel->cntl |= CNTL_ST_1XBPP_565;
- } else if (fb->panel->caps & CLCD_CAP_5551) {
- msb = maxoff + 5 - 1;
- fb->panel->cntl |= CNTL_ST_1XBPP_5551;
- } else if (fb->panel->caps & CLCD_CAP_444) {
- msb = maxoff + 4 - 1;
- fb->panel->cntl |= CNTL_ST_1XBPP_444;
- }
-
- /* Send out as many bits as we need */
- if (msb > 17)
- fb->panel->cntl |= CNTL_ST_CDWID_24;
- else if (msb > 15)
- fb->panel->cntl |= CNTL_ST_CDWID_18;
- else if (msb > 11)
- fb->panel->cntl |= CNTL_ST_CDWID_16;
- else
- fb->panel->cntl |= CNTL_ST_CDWID_12;
- }
-
return fb->panel->caps ? 0 : -EINVAL;
}
@@ -775,12 +715,6 @@ static int clcdfb_of_init_display(struct clcd_fb *fb)
if (!panel)
return -ENODEV;
- if (fb->vendor->init_panel) {
- err = fb->vendor->init_panel(fb, panel);
- if (err)
- return err;
- }
-
err = clcdfb_of_get_backlight(panel, fb->panel);
if (err)
return err;
@@ -941,7 +875,6 @@ static struct clcd_board *clcdfb_of_get_board(struct amba_device *dev)
static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id)
{
struct clcd_board *board = dev_get_platdata(&dev->dev);
- struct clcd_vendor_data *vendor = id->data;
struct clcd_fb *fb;
int ret;
@@ -951,12 +884,6 @@ static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id)
if (!board)
return -EINVAL;
- if (vendor->init_board) {
- ret = vendor->init_board(dev, board);
- if (ret)
- return ret;
- }
-
ret = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));
if (ret)
goto out;
@@ -974,7 +901,6 @@ static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id)
}
fb->dev = dev;
- fb->vendor = vendor;
fb->board = board;
dev_info(&fb->dev->dev, "PL%03x designer %02x rev%u at 0x%08llx\n",
@@ -1021,30 +947,10 @@ static int clcdfb_remove(struct amba_device *dev)
return 0;
}
-static struct clcd_vendor_data vendor_arm = {
- /* Sets up the versatile board displays */
- .init_panel = versatile_clcd_init_panel,
-};
-
-static struct clcd_vendor_data vendor_nomadik = {
- .clock_timregs = true,
- .packed_24_bit_pixels = true,
- .st_bitmux_control = true,
- .init_board = nomadik_clcd_init_board,
- .init_panel = nomadik_clcd_init_panel,
-};
-
static const struct amba_id clcdfb_id_table[] = {
{
.id = 0x00041110,
.mask = 0x000ffffe,
- .data = &vendor_arm,
- },
- /* ST Electronics Nomadik variant */
- {
- .id = 0x00180110,
- .mask = 0x00fffffe,
- .data = &vendor_nomadik,
},
{ 0, 0 },
};
diff --git a/include/linux/amba/clcd.h b/include/linux/amba/clcd.h
index d0c3be77c18e..b6e0cbeaf533 100644
--- a/include/linux/amba/clcd.h
+++ b/include/linux/amba/clcd.h
@@ -124,38 +124,11 @@ struct clcd_board {
struct amba_device;
struct clk;
-/**
- * struct clcd_vendor_data - holds hardware (IP-block) vendor-specific
- * variant information
- *
- * @clock_timregs: the CLCD needs to be clocked when accessing the
- * timer registers, or the hardware will hang.
- * @packed_24_bit_pixels: this variant supports 24bit packed pixel data,
- * so that RGB accesses 3 bytes at a time, not just on even 32bit
- * boundaries, packing the pixel data in memory. ST Microelectronics
- * have this.
- * @st_bitmux_control: ST Microelectronics have implemented output
- * bit line multiplexing into the CLCD control register. This indicates
- * that we need to use this.
- * @init_board: custom board init function for this variant
- * @init_panel: custom panel init function for this variant
- */
-struct clcd_vendor_data {
- bool clock_timregs;
- bool packed_24_bit_pixels;
- bool st_bitmux_control;
- int (*init_board)(struct amba_device *adev,
- struct clcd_board *board);
- int (*init_panel)(struct clcd_fb *fb,
- struct device_node *panel);
-};
-
/* this data structure describes each frame buffer device we find */
struct clcd_fb {
struct fb_info fb;
struct amba_device *dev;
struct clk *clk;
- struct clcd_vendor_data *vendor;
struct clcd_panel *panel;
struct clcd_board *board;
void *board_data;
@@ -257,10 +230,6 @@ static inline void clcdfb_decode(struct clcd_fb *fb, struct clcd_regs *regs)
else
val |= CNTL_LCDBPP16_444;
break;
- case 24:
- /* Modified variant supporting 24 bit packed pixels */
- val |= CNTL_ST_LCDBPP24_PACKED;
- break;
case 32:
val |= CNTL_LCDBPP24;
break;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 07:56:04 +0000