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-rw-r--r--drivers/video/fbdev/68328fb.c8
-rw-r--r--drivers/video/fbdev/Kconfig23
-rw-r--r--drivers/video/fbdev/Makefile3
-rw-r--r--drivers/video/fbdev/amba-clcd.c263
-rw-r--r--drivers/video/fbdev/atmel_lcdfb.c3
-rw-r--r--drivers/video/fbdev/clps711x-fb.c397
-rw-r--r--drivers/video/fbdev/da8xx-fb.c9
-rw-r--r--drivers/video/fbdev/hyperv_fb.c62
-rw-r--r--drivers/video/fbdev/mbx/mbxfb.c4
-rw-r--r--drivers/video/fbdev/msm/mddi_client_dummy.c19
-rw-r--r--drivers/video/fbdev/s3c2410fb.c10
-rw-r--r--drivers/video/fbdev/sis/init.c2
-rw-r--r--drivers/video/fbdev/sis/sis_main.c4
-rw-r--r--drivers/video/fbdev/vt8500lcdfb.c2
14 files changed, 756 insertions, 53 deletions
diff --git a/drivers/video/fbdev/68328fb.c b/drivers/video/fbdev/68328fb.c
index 552258c8f99d..17f21cedff9b 100644
--- a/drivers/video/fbdev/68328fb.c
+++ b/drivers/video/fbdev/68328fb.c
@@ -49,12 +49,6 @@
#error wrong architecture for the MC68x328 frame buffer device
#endif
-#if defined(CONFIG_FB_68328_INVERT)
-#define MC68X328FB_MONO_VISUAL FB_VISUAL_MONO01
-#else
-#define MC68X328FB_MONO_VISUAL FB_VISUAL_MONO10
-#endif
-
static u_long videomemory;
static u_long videomemorysize;
@@ -462,7 +456,7 @@ int __init mc68x328fb_init(void)
fb_info.fix.line_length =
get_line_length(mc68x328fb_default.xres_virtual, mc68x328fb_default.bits_per_pixel);
fb_info.fix.visual = (mc68x328fb_default.bits_per_pixel) == 1 ?
- MC68X328FB_MONO_VISUAL : FB_VISUAL_PSEUDOCOLOR;
+ FB_VISUAL_MONO10 : FB_VISUAL_PSEUDOCOLOR;
if (fb_info.var.bits_per_pixel == 1) {
fb_info.var.red.length = fb_info.var.green.length = fb_info.var.blue.length = 1;
fb_info.var.red.offset = fb_info.var.green.offset = fb_info.var.blue.offset = 0;
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 59c98bfd5a8a..ef946236f09e 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -280,6 +280,8 @@ config FB_ARMCLCD
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
+ select FB_MODE_HELPERS if OF
+ select VIDEOMODE_HELPERS if OF
help
This framebuffer device driver is for the ARM PrimeCell PL110
Colour LCD controller. ARM PrimeCells provide the building
@@ -301,15 +303,26 @@ config FB_ACORN
hardware found in Acorn RISC PCs and other ARM-based machines. If
unsure, say N.
-config FB_CLPS711X
- bool "CLPS711X LCD support"
- depends on (FB = y) && ARM && ARCH_CLPS711X
+config FB_CLPS711X_OLD
+ tristate
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
+
+config FB_CLPS711X
+ tristate "CLPS711X LCD support"
+ depends on FB && (ARCH_CLPS711X || COMPILE_TEST)
+ select FB_CLPS711X_OLD if ARCH_CLPS711X && !ARCH_MULTIPLATFORM
+ select BACKLIGHT_LCD_SUPPORT
+ select FB_MODE_HELPERS
+ select FB_SYS_FILLRECT
+ select FB_SYS_COPYAREA
+ select FB_SYS_IMAGEBLIT
+ select LCD_CLASS_DEVICE
+ select VIDEOMODE_HELPERS
help
- Say Y to enable the Framebuffer driver for the CLPS7111 and
- EP7212 processors.
+ Say Y to enable the Framebuffer driver for the Cirrus Logic
+ CLPS711X CPUs.
config FB_SA1100
bool "SA-1100 LCD support"
diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile
index 0284f2a12538..4e0b8c40ffe6 100644
--- a/drivers/video/fbdev/Makefile
+++ b/drivers/video/fbdev/Makefile
@@ -14,7 +14,8 @@ obj-$(CONFIG_FB_WMT_GE_ROPS) += wmt_ge_rops.o
# Hardware specific drivers go first
obj-$(CONFIG_FB_AMIGA) += amifb.o c2p_planar.o
obj-$(CONFIG_FB_ARC) += arcfb.o
-obj-$(CONFIG_FB_CLPS711X) += clps711xfb.o
+obj-$(CONFIG_FB_CLPS711X) += clps711x-fb.o
+obj-$(CONFIG_FB_CLPS711X_OLD) += clps711xfb.o
obj-$(CONFIG_FB_CYBER2000) += cyber2000fb.o
obj-$(CONFIG_FB_GRVGA) += grvga.o
obj-$(CONFIG_FB_PM2) += pm2fb.o
diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c
index 14d6b3793e0a..beadd3edaa17 100644
--- a/drivers/video/fbdev/amba-clcd.c
+++ b/drivers/video/fbdev/amba-clcd.c
@@ -26,6 +26,13 @@
#include <linux/amba/clcd.h>
#include <linux/clk.h>
#include <linux/hardirq.h>
+#include <linux/dma-mapping.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_graph.h>
+#include <video/display_timing.h>
+#include <video/of_display_timing.h>
+#include <video/videomode.h>
#include <asm/sizes.h>
@@ -543,6 +550,259 @@ static int clcdfb_register(struct clcd_fb *fb)
return ret;
}
+#ifdef CONFIG_OF
+static int clcdfb_of_get_dpi_panel_mode(struct device_node *node,
+ struct fb_videomode *mode)
+{
+ int err;
+ struct display_timing timing;
+ struct videomode video;
+
+ err = of_get_display_timing(node, "panel-timing", &timing);
+ if (err)
+ return err;
+
+ videomode_from_timing(&timing, &video);
+
+ err = fb_videomode_from_videomode(&video, mode);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int clcdfb_snprintf_mode(char *buf, int size, struct fb_videomode *mode)
+{
+ return snprintf(buf, size, "%ux%u@%u", mode->xres, mode->yres,
+ mode->refresh);
+}
+
+static int clcdfb_of_get_mode(struct device *dev, struct device_node *endpoint,
+ struct fb_videomode *mode)
+{
+ int err;
+ struct device_node *panel;
+ char *name;
+ int len;
+
+ panel = of_graph_get_remote_port_parent(endpoint);
+ if (!panel)
+ return -ENODEV;
+
+ /* Only directly connected DPI panels supported for now */
+ if (of_device_is_compatible(panel, "panel-dpi"))
+ err = clcdfb_of_get_dpi_panel_mode(panel, mode);
+ else
+ err = -ENOENT;
+ if (err)
+ return err;
+
+ len = clcdfb_snprintf_mode(NULL, 0, mode);
+ name = devm_kzalloc(dev, len + 1, GFP_KERNEL);
+ clcdfb_snprintf_mode(name, len + 1, mode);
+ mode->name = name;
+
+ return 0;
+}
+
+static int clcdfb_of_init_tft_panel(struct clcd_fb *fb, u32 r0, u32 g0, u32 b0)
+{
+ static struct {
+ unsigned int part;
+ u32 r0, g0, b0;
+ u32 caps;
+ } panels[] = {
+ { 0x110, 1, 7, 13, CLCD_CAP_5551 },
+ { 0x110, 0, 8, 16, CLCD_CAP_888 },
+ { 0x111, 4, 14, 20, CLCD_CAP_444 },
+ { 0x111, 3, 11, 19, CLCD_CAP_444 | CLCD_CAP_5551 },
+ { 0x111, 3, 10, 19, CLCD_CAP_444 | CLCD_CAP_5551 |
+ CLCD_CAP_565 },
+ { 0x111, 0, 8, 16, CLCD_CAP_444 | CLCD_CAP_5551 |
+ CLCD_CAP_565 | CLCD_CAP_888 },
+ };
+ int i;
+
+ /* Bypass pixel clock divider, data output on the falling edge */
+ fb->panel->tim2 = TIM2_BCD | TIM2_IPC;
+
+ /* TFT display, vert. comp. interrupt at the start of the back porch */
+ fb->panel->cntl |= CNTL_LCDTFT | CNTL_LCDVCOMP(1);
+
+ fb->panel->caps = 0;
+
+ /* Match the setup with known variants */
+ for (i = 0; i < ARRAY_SIZE(panels) && !fb->panel->caps; i++) {
+ if (amba_part(fb->dev) != panels[i].part)
+ continue;
+ if (g0 != panels[i].g0)
+ continue;
+ if (r0 == panels[i].r0 && b0 == panels[i].b0)
+ fb->panel->caps = panels[i].caps & CLCD_CAP_RGB;
+ if (r0 == panels[i].b0 && b0 == panels[i].r0)
+ fb->panel->caps = panels[i].caps & CLCD_CAP_BGR;
+ }
+
+ return fb->panel->caps ? 0 : -EINVAL;
+}
+
+static int clcdfb_of_init_display(struct clcd_fb *fb)
+{
+ struct device_node *endpoint;
+ int err;
+ u32 max_bandwidth;
+ u32 tft_r0b0g0[3];
+
+ fb->panel = devm_kzalloc(&fb->dev->dev, sizeof(*fb->panel), GFP_KERNEL);
+ if (!fb->panel)
+ return -ENOMEM;
+
+ endpoint = of_graph_get_next_endpoint(fb->dev->dev.of_node, NULL);
+ if (!endpoint)
+ return -ENODEV;
+
+ err = clcdfb_of_get_mode(&fb->dev->dev, endpoint, &fb->panel->mode);
+ if (err)
+ return err;
+
+ err = of_property_read_u32(fb->dev->dev.of_node, "max-memory-bandwidth",
+ &max_bandwidth);
+ if (!err)
+ fb->panel->bpp = 8 * max_bandwidth / (fb->panel->mode.xres *
+ fb->panel->mode.yres * fb->panel->mode.refresh);
+ else
+ fb->panel->bpp = 32;
+
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ fb->panel->cntl |= CNTL_BEBO;
+#endif
+ fb->panel->width = -1;
+ fb->panel->height = -1;
+
+ if (of_property_read_u32_array(endpoint,
+ "arm,pl11x,tft-r0g0b0-pads",
+ tft_r0b0g0, ARRAY_SIZE(tft_r0b0g0)) == 0)
+ return clcdfb_of_init_tft_panel(fb, tft_r0b0g0[0],
+ tft_r0b0g0[1], tft_r0b0g0[2]);
+
+ return -ENOENT;
+}
+
+static int clcdfb_of_vram_setup(struct clcd_fb *fb)
+{
+ int err;
+ struct device_node *memory;
+ u64 size;
+
+ err = clcdfb_of_init_display(fb);
+ if (err)
+ return err;
+
+ memory = of_parse_phandle(fb->dev->dev.of_node, "memory-region", 0);
+ if (!memory)
+ return -ENODEV;
+
+ fb->fb.screen_base = of_iomap(memory, 0);
+ if (!fb->fb.screen_base)
+ return -ENOMEM;
+
+ fb->fb.fix.smem_start = of_translate_address(memory,
+ of_get_address(memory, 0, &size, NULL));
+ fb->fb.fix.smem_len = size;
+
+ return 0;
+}
+
+static int clcdfb_of_vram_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
+{
+ unsigned long off, user_size, kernel_size;
+
+
+ off = vma->vm_pgoff << PAGE_SHIFT;
+ user_size = vma->vm_end - vma->vm_start;
+ kernel_size = fb->fb.fix.smem_len;
+
+ if (off >= kernel_size || user_size > (kernel_size - off))
+ return -ENXIO;
+
+ return remap_pfn_range(vma, vma->vm_start,
+ __phys_to_pfn(fb->fb.fix.smem_start) + vma->vm_pgoff,
+ user_size,
+ pgprot_writecombine(vma->vm_page_prot));
+}
+
+static void clcdfb_of_vram_remove(struct clcd_fb *fb)
+{
+ iounmap(fb->fb.screen_base);
+}
+
+static int clcdfb_of_dma_setup(struct clcd_fb *fb)
+{
+ unsigned long framesize;
+ dma_addr_t dma;
+ int err;
+
+ err = clcdfb_of_init_display(fb);
+ if (err)
+ return err;
+
+ framesize = fb->panel->mode.xres * fb->panel->mode.yres *
+ fb->panel->bpp / 8;
+ fb->fb.screen_base = dma_alloc_coherent(&fb->dev->dev, framesize,
+ &dma, GFP_KERNEL);
+ if (!fb->fb.screen_base)
+ return -ENOMEM;
+
+ fb->fb.fix.smem_start = dma;
+ fb->fb.fix.smem_len = framesize;
+
+ return 0;
+}
+
+static int clcdfb_of_dma_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
+{
+ return dma_mmap_writecombine(&fb->dev->dev, vma, fb->fb.screen_base,
+ fb->fb.fix.smem_start, fb->fb.fix.smem_len);
+}
+
+static void clcdfb_of_dma_remove(struct clcd_fb *fb)
+{
+ dma_free_coherent(&fb->dev->dev, fb->fb.fix.smem_len,
+ fb->fb.screen_base, fb->fb.fix.smem_start);
+}
+
+static struct clcd_board *clcdfb_of_get_board(struct amba_device *dev)
+{
+ struct clcd_board *board = devm_kzalloc(&dev->dev, sizeof(*board),
+ GFP_KERNEL);
+ struct device_node *node = dev->dev.of_node;
+
+ if (!board)
+ return NULL;
+
+ board->name = of_node_full_name(node);
+ board->caps = CLCD_CAP_ALL;
+ board->check = clcdfb_check;
+ board->decode = clcdfb_decode;
+ if (of_find_property(node, "memory-region", NULL)) {
+ board->setup = clcdfb_of_vram_setup;
+ board->mmap = clcdfb_of_vram_mmap;
+ board->remove = clcdfb_of_vram_remove;
+ } else {
+ board->setup = clcdfb_of_dma_setup;
+ board->mmap = clcdfb_of_dma_mmap;
+ board->remove = clcdfb_of_dma_remove;
+ }
+
+ return board;
+}
+#else
+static struct clcd_board *clcdfb_of_get_board(struct amba_device *dev)
+{
+ return NULL;
+}
+#endif
+
static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id)
{
struct clcd_board *board = dev_get_platdata(&dev->dev);
@@ -550,6 +810,9 @@ static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id)
int ret;
if (!board)
+ board = clcdfb_of_get_board(dev);
+
+ if (!board)
return -EINVAL;
ret = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));
diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c
index e683b6ef9594..010443f5f555 100644
--- a/drivers/video/fbdev/atmel_lcdfb.c
+++ b/drivers/video/fbdev/atmel_lcdfb.c
@@ -290,7 +290,7 @@ static void init_contrast(struct atmel_lcdfb_info *sinfo)
/* contrast pwm can be 'inverted' */
if (pdata->lcdcon_pol_negative)
- contrast_ctr &= ~(ATMEL_LCDC_POL_POSITIVE);
+ contrast_ctr &= ~(ATMEL_LCDC_POL_POSITIVE);
/* have some default contrast/backlight settings */
lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, contrast_ctr);
@@ -1095,6 +1095,7 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo)
pdata->lcd_wiring_mode = ret;
pdata->lcdcon_is_backlight = of_property_read_bool(display_np, "atmel,lcdcon-backlight");
+ pdata->lcdcon_pol_negative = of_property_read_bool(display_np, "atmel,lcdcon-backlight-inverted");
timings = of_get_display_timings(display_np);
if (!timings) {
diff --git a/drivers/video/fbdev/clps711x-fb.c b/drivers/video/fbdev/clps711x-fb.c
new file mode 100644
index 000000000000..49a7bb4ef02f
--- /dev/null
+++ b/drivers/video/fbdev/clps711x-fb.c
@@ -0,0 +1,397 @@
+/*
+ * Cirrus Logic CLPS711X FB driver
+ *
+ * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
+ * Based on driver by Russell King <rmk@arm.linux.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/clk.h>
+#include <linux/fb.h>
+#include <linux/io.h>
+#include <linux/lcd.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+#include <linux/mfd/syscon/clps711x.h>
+#include <linux/regulator/consumer.h>
+#include <video/of_display_timing.h>
+
+#define CLPS711X_FB_NAME "clps711x-fb"
+#define CLPS711X_FB_BPP_MAX (4)
+
+/* Registers relative to LCDCON */
+#define CLPS711X_LCDCON (0x0000)
+# define LCDCON_GSEN BIT(30)
+# define LCDCON_GSMD BIT(31)
+#define CLPS711X_PALLSW (0x0280)
+#define CLPS711X_PALMSW (0x02c0)
+#define CLPS711X_FBADDR (0x0d40)
+
+struct clps711x_fb_info {
+ struct clk *clk;
+ void __iomem *base;
+ struct regmap *syscon;
+ resource_size_t buffsize;
+ struct fb_videomode mode;
+ struct regulator *lcd_pwr;
+ u32 ac_prescale;
+ bool cmap_invert;
+};
+
+static int clps711x_fb_setcolreg(u_int regno, u_int red, u_int green,
+ u_int blue, u_int transp, struct fb_info *info)
+{
+ struct clps711x_fb_info *cfb = info->par;
+ u32 level, mask, shift;
+
+ if (regno >= BIT(info->var.bits_per_pixel))
+ return -EINVAL;
+
+ shift = 4 * (regno & 7);
+ mask = 0xf << shift;
+ /* gray = 0.30*R + 0.58*G + 0.11*B */
+ level = (((red * 77 + green * 151 + blue * 28) >> 20) << shift) & mask;
+ if (cfb->cmap_invert)
+ level = 0xf - level;
+
+ regno = (regno < 8) ? CLPS711X_PALLSW : CLPS711X_PALMSW;
+
+ writel((readl(cfb->base + regno) & ~mask) | level, cfb->base + regno);
+
+ return 0;
+}
+
+static int clps711x_fb_check_var(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ u32 val;
+
+ if (var->bits_per_pixel < 1 ||
+ var->bits_per_pixel > CLPS711X_FB_BPP_MAX)
+ return -EINVAL;
+
+ if (!var->pixclock)
+ return -EINVAL;
+
+ val = DIV_ROUND_UP(var->xres, 16) - 1;
+ if (val < 0x01 || val > 0x3f)
+ return -EINVAL;
+
+ val = DIV_ROUND_UP(var->yres * var->xres * var->bits_per_pixel, 128);
+ val--;
+ if (val < 0x001 || val > 0x1fff)
+ return -EINVAL;
+
+ var->transp.msb_right = 0;
+ var->transp.offset = 0;
+ var->transp.length = 0;
+ var->red.msb_right = 0;
+ var->red.offset = 0;
+ var->red.length = var->bits_per_pixel;
+ var->green = var->red;
+ var->blue = var->red;
+ var->grayscale = var->bits_per_pixel > 1;
+
+ return 0;
+}
+
+static int clps711x_fb_set_par(struct fb_info *info)
+{
+ struct clps711x_fb_info *cfb = info->par;
+ resource_size_t size;
+ u32 lcdcon, pps;
+
+ size = (info->var.xres * info->var.yres * info->var.bits_per_pixel) / 8;
+ if (size > cfb->buffsize)
+ return -EINVAL;
+
+ switch (info->var.bits_per_pixel) {
+ case 1:
+ info->fix.visual = FB_VISUAL_MONO01;
+ break;
+ case 2:
+ case 4:
+ info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ info->fix.line_length = info->var.xres * info->var.bits_per_pixel / 8;
+ info->fix.smem_len = size;
+
+ lcdcon = (info->var.xres * info->var.yres *
+ info->var.bits_per_pixel) / 128 - 1;
+ lcdcon |= ((info->var.xres / 16) - 1) << 13;
+ lcdcon |= (cfb->ac_prescale & 0x1f) << 25;
+
+ pps = clk_get_rate(cfb->clk) / (PICOS2KHZ(info->var.pixclock) * 1000);
+ if (pps)
+ pps--;
+ lcdcon |= (pps & 0x3f) << 19;
+
+ if (info->var.bits_per_pixel == 4)
+ lcdcon |= LCDCON_GSMD;
+ if (info->var.bits_per_pixel >= 2)
+ lcdcon |= LCDCON_GSEN;
+
+ /* LCDCON must only be changed while the LCD is disabled */
+ regmap_update_bits(cfb->syscon, SYSCON_OFFSET, SYSCON1_LCDEN, 0);
+ writel(lcdcon, cfb->base + CLPS711X_LCDCON);
+ regmap_update_bits(cfb->syscon, SYSCON_OFFSET,
+ SYSCON1_LCDEN, SYSCON1_LCDEN);
+
+ return 0;
+}
+
+static int clps711x_fb_blank(int blank, struct fb_info *info)
+{
+ /* Return happy */
+ return 0;
+}
+
+static struct fb_ops clps711x_fb_ops = {
+ .owner = THIS_MODULE,
+ .fb_setcolreg = clps711x_fb_setcolreg,
+ .fb_check_var = clps711x_fb_check_var,
+ .fb_set_par = clps711x_fb_set_par,
+ .fb_blank = clps711x_fb_blank,
+ .fb_fillrect = sys_fillrect,
+ .fb_copyarea = sys_copyarea,
+ .fb_imageblit = sys_imageblit,
+};
+
+static int clps711x_lcd_check_fb(struct lcd_device *lcddev, struct fb_info *fi)
+{
+ struct clps711x_fb_info *cfb = dev_get_drvdata(&lcddev->dev);
+
+ return (!fi || fi->par == cfb) ? 1 : 0;
+}
+
+static int clps711x_lcd_get_power(struct lcd_device *lcddev)
+{
+ struct clps711x_fb_info *cfb = dev_get_drvdata(&lcddev->dev);
+
+ if (!IS_ERR_OR_NULL(cfb->lcd_pwr))
+ if (!regulator_is_enabled(cfb->lcd_pwr))
+ return FB_BLANK_NORMAL;
+
+ return FB_BLANK_UNBLANK;
+}
+
+static int clps711x_lcd_set_power(struct lcd_device *lcddev, int blank)
+{
+ struct clps711x_fb_info *cfb = dev_get_drvdata(&lcddev->dev);
+
+ if (!IS_ERR_OR_NULL(cfb->lcd_pwr)) {
+ if (blank == FB_BLANK_UNBLANK) {
+ if (!regulator_is_enabled(cfb->lcd_pwr))
+ return regulator_enable(cfb->lcd_pwr);
+ } else {
+ if (regulator_is_enabled(cfb->lcd_pwr))
+ return regulator_disable(cfb->lcd_pwr);
+ }
+ }
+
+ return 0;
+}
+
+static struct lcd_ops clps711x_lcd_ops = {
+ .check_fb = clps711x_lcd_check_fb,
+ .get_power = clps711x_lcd_get_power,
+ .set_power = clps711x_lcd_set_power,
+};
+
+static int clps711x_fb_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *disp, *np = dev->of_node;
+ struct clps711x_fb_info *cfb;
+ struct lcd_device *lcd;
+ struct fb_info *info;
+ struct resource *res;
+ int ret = -ENOENT;
+ u32 val;
+
+ if (fb_get_options(CLPS711X_FB_NAME, NULL))
+ return -ENODEV;
+
+ info = framebuffer_alloc(sizeof(*cfb), dev);
+ if (!info)
+ return -ENOMEM;
+
+ cfb = info->par;
+ platform_set_drvdata(pdev, info);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ goto out_fb_release;
+ cfb->base = devm_ioremap(dev, res->start, resource_size(res));
+ if (!cfb->base) {
+ ret = -ENOMEM;
+ goto out_fb_release;
+ }
+
+ info->fix.mmio_start = res->start;
+ info->fix.mmio_len = resource_size(res);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ info->screen_base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(info->screen_base)) {
+ ret = PTR_ERR(info->screen_base);
+ goto out_fb_release;
+ }
+
+ /* Physical address should be aligned to 256 MiB */
+ if (res->start & 0x0fffffff) {
+ ret = -EINVAL;
+ goto out_fb_release;
+ }
+
+ info->apertures = alloc_apertures(1);
+ if (!info->apertures) {
+ ret = -ENOMEM;
+ goto out_fb_release;
+ }
+
+ cfb->buffsize = resource_size(res);
+ info->fix.smem_start = res->start;
+ info->apertures->ranges[0].base = info->fix.smem_start;
+ info->apertures->ranges[0].size = cfb->buffsize;
+
+ cfb->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(cfb->clk)) {
+ ret = PTR_ERR(cfb->clk);
+ goto out_fb_release;
+ }
+
+ cfb->syscon =
+ syscon_regmap_lookup_by_compatible("cirrus,clps711x-syscon1");
+ if (IS_ERR(cfb->syscon)) {
+ ret = PTR_ERR(cfb->syscon);
+ goto out_fb_release;
+ }
+
+ disp = of_parse_phandle(np, "display", 0);
+ if (!disp) {
+ dev_err(&pdev->dev, "No display defined\n");
+ ret = -ENODATA;
+ goto out_fb_release;
+ }
+
+ ret = of_get_fb_videomode(disp, &cfb->mode, OF_USE_NATIVE_MODE);
+ if (ret)
+ goto out_fb_release;
+
+ of_property_read_u32(disp, "ac-prescale", &cfb->ac_prescale);
+ cfb->cmap_invert = of_property_read_bool(disp, "cmap-invert");
+
+ ret = of_property_read_u32(disp, "bits-per-pixel",
+ &info->var.bits_per_pixel);
+ if (ret)
+ goto out_fb_release;
+
+ /* Force disable LCD on any mismatch */
+ if (info->fix.smem_start != (readb(cfb->base + CLPS711X_FBADDR) << 28))
+ regmap_update_bits(cfb->syscon, SYSCON_OFFSET,
+ SYSCON1_LCDEN, 0);
+
+ ret = regmap_read(cfb->syscon, SYSCON_OFFSET, &val);
+ if (ret)
+ goto out_fb_release;
+
+ if (!(val & SYSCON1_LCDEN)) {
+ /* Setup start FB address */
+ writeb(info->fix.smem_start >> 28, cfb->base + CLPS711X_FBADDR);
+ /* Clean FB memory */
+ memset_io(info->screen_base, 0, cfb->buffsize);
+ }
+
+ cfb->lcd_pwr = devm_regulator_get(dev, "lcd");
+ if (PTR_ERR(cfb->lcd_pwr) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto out_fb_release;
+ }
+
+ info->fbops = &clps711x_fb_ops;
+ info->flags = FBINFO_DEFAULT;
+ info->var.activate = FB_ACTIVATE_FORCE | FB_ACTIVATE_NOW;
+ info->var.height = -1;
+ info->var.width = -1;
+ info->var.vmode = FB_VMODE_NONINTERLACED;
+ info->fix.type = FB_TYPE_PACKED_PIXELS;
+ info->fix.accel = FB_ACCEL_NONE;
+ strlcpy(info->fix.id, CLPS711X_FB_NAME, sizeof(info->fix.id));
+ fb_videomode_to_var(&info->var, &cfb->mode);
+
+ ret = fb_alloc_cmap(&info->cmap, BIT(CLPS711X_FB_BPP_MAX), 0);
+ if (ret)
+ goto out_fb_release;
+
+ ret = fb_set_var(info, &info->var);
+ if (ret)
+ goto out_fb_dealloc_cmap;
+
+ ret = register_framebuffer(info);
+ if (ret)
+ goto out_fb_dealloc_cmap;
+
+ lcd = devm_lcd_device_register(dev, "clps711x-lcd", dev, cfb,
+ &clps711x_lcd_ops);
+ if (!IS_ERR(lcd))
+ return 0;
+
+ ret = PTR_ERR(lcd);
+ unregister_framebuffer(info);
+
+out_fb_dealloc_cmap:
+ regmap_update_bits(cfb->syscon, SYSCON_OFFSET, SYSCON1_LCDEN, 0);
+ fb_dealloc_cmap(&info->cmap);
+
+out_fb_release:
+ framebuffer_release(info);
+
+ return ret;
+}
+
+static int clps711x_fb_remove(struct platform_device *pdev)
+{
+ struct fb_info *info = platform_get_drvdata(pdev);
+ struct clps711x_fb_info *cfb = info->par;
+
+ regmap_update_bits(cfb->syscon, SYSCON_OFFSET, SYSCON1_LCDEN, 0);
+
+ unregister_framebuffer(info);
+ fb_dealloc_cmap(&info->cmap);
+ framebuffer_release(info);
+
+ return 0;
+}
+
+static const struct of_device_id clps711x_fb_dt_ids[] = {
+ { .compatible = "cirrus,clps711x-fb", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, clps711x_fb_dt_ids);
+
+static struct platform_driver clps711x_fb_driver = {
+ .driver = {
+ .name = CLPS711X_FB_NAME,
+ .owner = THIS_MODULE,
+ .of_match_table = clps711x_fb_dt_ids,
+ },
+ .probe = clps711x_fb_probe,
+ .remove = clps711x_fb_remove,
+};
+module_platform_driver(clps711x_fb_driver);
+
+MODULE_AUTHOR("Alexander Shiyan <shc_work@mail.ru>");
+MODULE_DESCRIPTION("Cirrus Logic CLPS711X FB driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c
index a8484f768d04..788f6b37fce7 100644
--- a/drivers/video/fbdev/da8xx-fb.c
+++ b/drivers/video/fbdev/da8xx-fb.c
@@ -1447,18 +1447,15 @@ static int fb_probe(struct platform_device *device)
da8xx_fb_fix.line_length - 1;
/* allocate palette buffer */
- par->v_palette_base = dma_alloc_coherent(NULL,
- PALETTE_SIZE,
- (resource_size_t *)
- &par->p_palette_base,
- GFP_KERNEL | GFP_DMA);
+ par->v_palette_base = dma_zalloc_coherent(NULL, PALETTE_SIZE,
+ (resource_size_t *)&par->p_palette_base,
+ GFP_KERNEL | GFP_DMA);
if (!par->v_palette_base) {
dev_err(&device->dev,
"GLCD: kmalloc for palette buffer failed\n");
ret = -EINVAL;
goto err_release_fb_mem;
}
- memset(par->v_palette_base, 0, PALETTE_SIZE);
par->irq = platform_get_irq(device, 0);
if (par->irq < 0) {
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index e23392ec5af3..569e7562fa3d 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c
@@ -224,6 +224,11 @@ struct hvfb_par {
u32 pseudo_palette[16];
u8 init_buf[MAX_VMBUS_PKT_SIZE];
u8 recv_buf[MAX_VMBUS_PKT_SIZE];
+
+ /* If true, the VSC notifies the VSP on every framebuffer change */
+ bool synchronous_fb;
+
+ struct notifier_block hvfb_panic_nb;
};
static uint screen_width = HVFB_WIDTH;
@@ -532,6 +537,19 @@ static void hvfb_update_work(struct work_struct *w)
schedule_delayed_work(&par->dwork, HVFB_UPDATE_DELAY);
}
+static int hvfb_on_panic(struct notifier_block *nb,
+ unsigned long e, void *p)
+{
+ struct hvfb_par *par;
+ struct fb_info *info;
+
+ par = container_of(nb, struct hvfb_par, hvfb_panic_nb);
+ par->synchronous_fb = true;
+ info = par->info;
+ synthvid_update(info);
+
+ return NOTIFY_DONE;
+}
/* Framebuffer operation handlers */
@@ -582,14 +600,44 @@ static int hvfb_blank(int blank, struct fb_info *info)
return 1; /* get fb_blank to set the colormap to all black */
}
+static void hvfb_cfb_fillrect(struct fb_info *p,
+ const struct fb_fillrect *rect)
+{
+ struct hvfb_par *par = p->par;
+
+ cfb_fillrect(p, rect);
+ if (par->synchronous_fb)
+ synthvid_update(p);
+}
+
+static void hvfb_cfb_copyarea(struct fb_info *p,
+ const struct fb_copyarea *area)
+{
+ struct hvfb_par *par = p->par;
+
+ cfb_copyarea(p, area);
+ if (par->synchronous_fb)
+ synthvid_update(p);
+}
+
+static void hvfb_cfb_imageblit(struct fb_info *p,
+ const struct fb_image *image)
+{
+ struct hvfb_par *par = p->par;
+
+ cfb_imageblit(p, image);
+ if (par->synchronous_fb)
+ synthvid_update(p);
+}
+
static struct fb_ops hvfb_ops = {
.owner = THIS_MODULE,
.fb_check_var = hvfb_check_var,
.fb_set_par = hvfb_set_par,
.fb_setcolreg = hvfb_setcolreg,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
+ .fb_fillrect = hvfb_cfb_fillrect,
+ .fb_copyarea = hvfb_cfb_copyarea,
+ .fb_imageblit = hvfb_cfb_imageblit,
.fb_blank = hvfb_blank,
};
@@ -801,6 +849,11 @@ static int hvfb_probe(struct hv_device *hdev,
par->fb_ready = true;
+ par->synchronous_fb = false;
+ par->hvfb_panic_nb.notifier_call = hvfb_on_panic;
+ atomic_notifier_chain_register(&panic_notifier_list,
+ &par->hvfb_panic_nb);
+
return 0;
error:
@@ -820,6 +873,9 @@ static int hvfb_remove(struct hv_device *hdev)
struct fb_info *info = hv_get_drvdata(hdev);
struct hvfb_par *par = info->par;
+ atomic_notifier_chain_unregister(&panic_notifier_list,
+ &par->hvfb_panic_nb);
+
par->update = false;
par->fb_ready = false;
diff --git a/drivers/video/fbdev/mbx/mbxfb.c b/drivers/video/fbdev/mbx/mbxfb.c
index 2bd52ed8832c..698df9543e30 100644
--- a/drivers/video/fbdev/mbx/mbxfb.c
+++ b/drivers/video/fbdev/mbx/mbxfb.c
@@ -628,14 +628,14 @@ static int mbxfb_ioctl(struct fb_info *info, unsigned int cmd,
case MBXFB_IOCS_PLANEORDER:
if (copy_from_user(&porder, (void __user*)arg,
sizeof(struct mbxfb_planeorder)))
- return -EFAULT;
+ return -EFAULT;
return mbxfb_ioctl_planeorder(&porder);
case MBXFB_IOCS_ALPHA:
if (copy_from_user(&alpha, (void __user*)arg,
sizeof(struct mbxfb_alphaCtl)))
- return -EFAULT;
+ return -EFAULT;
return mbxfb_ioctl_alphactl(&alpha);
diff --git a/drivers/video/fbdev/msm/mddi_client_dummy.c b/drivers/video/fbdev/msm/mddi_client_dummy.c
index f1b0dfcc9717..cdb8f69a5d88 100644
--- a/drivers/video/fbdev/msm/mddi_client_dummy.c
+++ b/drivers/video/fbdev/msm/mddi_client_dummy.c
@@ -15,6 +15,7 @@
* GNU General Public License for more details.
*/
+#include <linux/device.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/kernel.h>
@@ -51,8 +52,7 @@ static int mddi_dummy_probe(struct platform_device *pdev)
{
struct msm_mddi_client_data *client_data = pdev->dev.platform_data;
struct panel_info *panel =
- kzalloc(sizeof(struct panel_info), GFP_KERNEL);
- int ret;
+ devm_kzalloc(&pdev->dev, sizeof(struct panel_info), GFP_KERNEL);
if (!panel)
return -ENOMEM;
platform_set_drvdata(pdev, panel);
@@ -67,24 +67,11 @@ static int mddi_dummy_probe(struct platform_device *pdev)
client_data->fb_resource, 1);
panel->panel_data.fb_data = client_data->private_client_data;
panel->pdev.dev.platform_data = &panel->panel_data;
- ret = platform_device_register(&panel->pdev);
- if (ret) {
- kfree(panel);
- return ret;
- }
- return 0;
-}
-
-static int mddi_dummy_remove(struct platform_device *pdev)
-{
- struct panel_info *panel = platform_get_drvdata(pdev);
- kfree(panel);
- return 0;
+ return platform_device_register(&panel->pdev);
}
static struct platform_driver mddi_client_dummy = {
.probe = mddi_dummy_probe,
- .remove = mddi_dummy_remove,
.driver = { .name = "mddi_c_dummy" },
};
diff --git a/drivers/video/fbdev/s3c2410fb.c b/drivers/video/fbdev/s3c2410fb.c
index 81af5a63e9e1..d68595dcc5fd 100644
--- a/drivers/video/fbdev/s3c2410fb.c
+++ b/drivers/video/fbdev/s3c2410fb.c
@@ -932,7 +932,7 @@ static int s3c24xxfb_probe(struct platform_device *pdev,
goto release_irq;
}
- clk_enable(info->clk);
+ clk_prepare_enable(info->clk);
dprintk("got and enabled clock\n");
usleep_range(1000, 1100);
@@ -996,7 +996,7 @@ static int s3c24xxfb_probe(struct platform_device *pdev,
free_video_memory:
s3c2410fb_unmap_video_memory(fbinfo);
release_clock:
- clk_disable(info->clk);
+ clk_disable_unprepare(info->clk);
clk_put(info->clk);
release_irq:
free_irq(irq, info);
@@ -1038,7 +1038,7 @@ static int s3c2410fb_remove(struct platform_device *pdev)
s3c2410fb_unmap_video_memory(fbinfo);
if (info->clk) {
- clk_disable(info->clk);
+ clk_disable_unprepare(info->clk);
clk_put(info->clk);
info->clk = NULL;
}
@@ -1070,7 +1070,7 @@ static int s3c2410fb_suspend(struct platform_device *dev, pm_message_t state)
* before the clock goes off again (bjd) */
usleep_range(1000, 1100);
- clk_disable(info->clk);
+ clk_disable_unprepare(info->clk);
return 0;
}
@@ -1080,7 +1080,7 @@ static int s3c2410fb_resume(struct platform_device *dev)
struct fb_info *fbinfo = platform_get_drvdata(dev);
struct s3c2410fb_info *info = fbinfo->par;
- clk_enable(info->clk);
+ clk_prepare_enable(info->clk);
usleep_range(1000, 1100);
s3c2410fb_init_registers(fbinfo);
diff --git a/drivers/video/fbdev/sis/init.c b/drivers/video/fbdev/sis/init.c
index bd40f5ecd901..dfe3eb769638 100644
--- a/drivers/video/fbdev/sis/init.c
+++ b/drivers/video/fbdev/sis/init.c
@@ -1511,7 +1511,7 @@ SiS_Get310DRAMType(struct SiS_Private *SiS_Pr)
} else if(SiS_Pr->ChipType >= SIS_340) {
/* TODO */
data = 0;
- } if(SiS_Pr->ChipType >= SIS_661) {
+ } else if(SiS_Pr->ChipType >= SIS_661) {
if(SiS_Pr->SiS_ROMNew) {
data = ((SiS_GetReg(SiS_Pr->SiS_P3d4,0x78) & 0xc0) >> 6);
} else {
diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c
index 22ad028bf123..3f12a2dd959a 100644
--- a/drivers/video/fbdev/sis/sis_main.c
+++ b/drivers/video/fbdev/sis/sis_main.c
@@ -1572,10 +1572,6 @@ sisfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
/* Adapt RGB settings */
sisfb_bpp_to_var(ivideo, var);
- /* Sanity check for offsets */
- if(var->xoffset < 0) var->xoffset = 0;
- if(var->yoffset < 0) var->yoffset = 0;
-
if(var->xres > var->xres_virtual)
var->xres_virtual = var->xres;
diff --git a/drivers/video/fbdev/vt8500lcdfb.c b/drivers/video/fbdev/vt8500lcdfb.c
index a8f2b280f796..a1134c3f6c11 100644
--- a/drivers/video/fbdev/vt8500lcdfb.c
+++ b/drivers/video/fbdev/vt8500lcdfb.c
@@ -474,8 +474,6 @@ static int vt8500lcd_remove(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(res->start, resource_size(res));
- kfree(fbi);
-
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-18 02:37:21 +0300