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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-20 11:01:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-20 11:01:02 -0700
commit410b42978a241dc4a269d0d75c75d260e6d016e8 (patch)
tree82f7e4b3ccddda806b36c84a19a46a221c4c219e /drivers/video/fbdev
parente4fba88d00d21f50239eac7d653027bfaf844296 (diff)
parentab366b40b8513e7590858229ecbb5e1434a52b54 (diff)
Merge tag 'fbdev-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev updates from Tomi Valkeinen: - imxfb: fix lcd power up - small fixes and cleanups * tag 'fbdev-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: fbdev: Use IS_ENABLED() instead of checking for built-in or module efifb: Don't show the mapping VA video: AMBA CLCD: Remove unncessary include in amba-clcd.c fbdev: ssd1307fb: Fix charge pump setting Documentation: fb: fix spelling mistakes fbdev: fbmem: implement error handling in fbmem_init() fbdev: sh_mipi_dsi: remove driver video: fbdev: imxfb: add some error handling video: fbdev: imxfb: fix semantic of .get_power and .set_power video: fbdev: omap2: Remove deprecated regulator_can_change_voltage() usage
Diffstat (limited to 'drivers/video/fbdev')
-rw-r--r--drivers/video/fbdev/Kconfig1
-rw-r--r--drivers/video/fbdev/Makefile1
-rw-r--r--drivers/video/fbdev/amba-clcd.c2
-rw-r--r--drivers/video/fbdev/core/fbmem.c20
-rw-r--r--drivers/video/fbdev/efifb.c6
-rw-r--r--drivers/video/fbdev/imxfb.c44
-rw-r--r--drivers/video/fbdev/omap2/omapfb/dss/dsi.c12
-rw-r--r--drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c12
-rw-r--r--drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c12
-rw-r--r--drivers/video/fbdev/sh_mipi_dsi.c587
-rw-r--r--drivers/video/fbdev/ssd1307fb.c2
-rw-r--r--drivers/video/fbdev/via/accel.c2
-rw-r--r--drivers/video/fbdev/via/via-core.c4
13 files changed, 70 insertions, 635 deletions
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index e5a391aecde1..88b008fb8a4e 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -1993,7 +1993,6 @@ config FB_SH_MOBILE_LCDC
select FB_SYS_FOPS
select FB_DEFERRED_IO
select FB_BACKLIGHT
- select SH_MIPI_DSI if SH_LCD_MIPI_DSI
---help---
Frame buffer driver for the on-chip SH-Mobile LCD controller.
diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile
index 65fb15075c8f..f6731867dd26 100644
--- a/drivers/video/fbdev/Makefile
+++ b/drivers/video/fbdev/Makefile
@@ -117,7 +117,6 @@ obj-$(CONFIG_FB_SM501) += sm501fb.o
obj-$(CONFIG_FB_UDL) += udlfb.o
obj-$(CONFIG_FB_SMSCUFX) += smscufx.o
obj-$(CONFIG_FB_XILINX) += xilinxfb.o
-obj-$(CONFIG_SH_MIPI_DSI) += sh_mipi_dsi.o
obj-$(CONFIG_FB_SH_MOBILE_MERAM) += sh_mobile_meram.o
obj-$(CONFIG_FB_SH_MOBILE_LCDC) += sh_mobile_lcdcfb.o
obj-$(CONFIG_FB_OMAP) += omap/
diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c
index 93e66a9148b9..9b158869cb89 100644
--- a/drivers/video/fbdev/amba-clcd.c
+++ b/drivers/video/fbdev/amba-clcd.c
@@ -34,8 +34,6 @@
#include <video/of_display_timing.h>
#include <video/videomode.h>
-#include <asm/sizes.h>
-
#define to_clcd(info) container_of(info, struct clcd_fb, fb)
/* This is limited to 16 characters when displayed by X startup */
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 4e73b6f6b1c0..76c1ad96fb37 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1854,17 +1854,31 @@ EXPORT_SYMBOL(fb_set_suspend);
static int __init
fbmem_init(void)
{
- proc_create("fb", 0, NULL, &fb_proc_fops);
+ int ret;
+
+ if (!proc_create("fb", 0, NULL, &fb_proc_fops))
+ return -ENOMEM;
- if (register_chrdev(FB_MAJOR,"fb",&fb_fops))
+ ret = register_chrdev(FB_MAJOR, "fb", &fb_fops);
+ if (ret) {
printk("unable to get major %d for fb devs\n", FB_MAJOR);
+ goto err_chrdev;
+ }
fb_class = class_create(THIS_MODULE, "graphics");
if (IS_ERR(fb_class)) {
- printk(KERN_WARNING "Unable to create fb class; errno = %ld\n", PTR_ERR(fb_class));
+ ret = PTR_ERR(fb_class);
+ pr_warn("Unable to create fb class; errno = %d\n", ret);
fb_class = NULL;
+ goto err_class;
}
return 0;
+
+err_class:
+ unregister_chrdev(FB_MAJOR, "fb");
+err_chrdev:
+ remove_proc_entry("fb", NULL);
+ return ret;
}
#ifdef MODULE
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index f4c045c0051c..924bad45c176 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -237,10 +237,8 @@ static int efifb_probe(struct platform_device *dev)
goto err_release_fb;
}
- printk(KERN_INFO "efifb: framebuffer at 0x%lx, mapped to 0x%p, "
- "using %dk, total %dk\n",
- efifb_fix.smem_start, info->screen_base,
- size_remap/1024, size_total/1024);
+ printk(KERN_INFO "efifb: framebuffer at 0x%lx, using %dk, total %dk\n",
+ efifb_fix.smem_start, size_remap/1024, size_total/1024);
printk(KERN_INFO "efifb: mode is %dx%dx%d, linelength=%d, pages=%d\n",
efifb_defined.xres, efifb_defined.yres,
efifb_defined.bits_per_pixel, efifb_fix.line_length,
diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c
index 76b6a7784b06..fe0c4eeff2e4 100644
--- a/drivers/video/fbdev/imxfb.c
+++ b/drivers/video/fbdev/imxfb.c
@@ -473,11 +473,12 @@ static int imxfb_set_par(struct fb_info *info)
return 0;
}
-static void imxfb_enable_controller(struct imxfb_info *fbi)
+static int imxfb_enable_controller(struct imxfb_info *fbi)
{
+ int ret;
if (fbi->enabled)
- return;
+ return 0;
pr_debug("Enabling LCD controller\n");
@@ -496,10 +497,29 @@ static void imxfb_enable_controller(struct imxfb_info *fbi)
*/
writel(RMCR_LCDC_EN_MX1, fbi->regs + LCDC_RMCR);
- clk_prepare_enable(fbi->clk_ipg);
- clk_prepare_enable(fbi->clk_ahb);
- clk_prepare_enable(fbi->clk_per);
+ ret = clk_prepare_enable(fbi->clk_ipg);
+ if (ret)
+ goto err_enable_ipg;
+
+ ret = clk_prepare_enable(fbi->clk_ahb);
+ if (ret)
+ goto err_enable_ahb;
+
+ ret = clk_prepare_enable(fbi->clk_per);
+ if (ret)
+ goto err_enable_per;
+
fbi->enabled = true;
+ return 0;
+
+err_enable_per:
+ clk_disable_unprepare(fbi->clk_ahb);
+err_enable_ahb:
+ clk_disable_unprepare(fbi->clk_ipg);
+err_enable_ipg:
+ writel(0, fbi->regs + LCDC_RMCR);
+
+ return ret;
}
static void imxfb_disable_controller(struct imxfb_info *fbi)
@@ -510,8 +530,8 @@ static void imxfb_disable_controller(struct imxfb_info *fbi)
pr_debug("Disabling LCD controller\n");
clk_disable_unprepare(fbi->clk_per);
- clk_disable_unprepare(fbi->clk_ipg);
clk_disable_unprepare(fbi->clk_ahb);
+ clk_disable_unprepare(fbi->clk_ipg);
fbi->enabled = false;
writel(0, fbi->regs + LCDC_RMCR);
@@ -532,8 +552,7 @@ static int imxfb_blank(int blank, struct fb_info *info)
break;
case FB_BLANK_UNBLANK:
- imxfb_enable_controller(fbi);
- break;
+ return imxfb_enable_controller(fbi);
}
return 0;
}
@@ -758,10 +777,11 @@ static int imxfb_lcd_get_power(struct lcd_device *lcddev)
{
struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev);
- if (!IS_ERR(fbi->lcd_pwr))
- return regulator_is_enabled(fbi->lcd_pwr);
+ if (!IS_ERR(fbi->lcd_pwr) &&
+ !regulator_is_enabled(fbi->lcd_pwr))
+ return FB_BLANK_POWERDOWN;
- return 1;
+ return FB_BLANK_UNBLANK;
}
static int imxfb_lcd_set_power(struct lcd_device *lcddev, int power)
@@ -769,7 +789,7 @@ static int imxfb_lcd_set_power(struct lcd_device *lcddev, int power)
struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev);
if (!IS_ERR(fbi->lcd_pwr)) {
- if (power)
+ if (power == FB_BLANK_UNBLANK)
return regulator_enable(fbi->lcd_pwr);
else
return regulator_disable(fbi->lcd_pwr);
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
index 0eec073b3919..d63e59807707 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
@@ -1180,13 +1180,11 @@ static int dsi_regulator_init(struct platform_device *dsidev)
return PTR_ERR(vdds_dsi);
}
- if (regulator_can_change_voltage(vdds_dsi)) {
- r = regulator_set_voltage(vdds_dsi, 1800000, 1800000);
- if (r) {
- devm_regulator_put(vdds_dsi);
- DSSERR("can't set the DSI regulator voltage\n");
- return r;
- }
+ r = regulator_set_voltage(vdds_dsi, 1800000, 1800000);
+ if (r) {
+ devm_regulator_put(vdds_dsi);
+ DSSERR("can't set the DSI regulator voltage\n");
+ return r;
}
dsi->vdds_dsi_reg = vdds_dsi;
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
index 7103c659a534..2e71aec838b1 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
@@ -114,13 +114,11 @@ static int hdmi_init_regulator(void)
return PTR_ERR(reg);
}
- if (regulator_can_change_voltage(reg)) {
- r = regulator_set_voltage(reg, 1800000, 1800000);
- if (r) {
- devm_regulator_put(reg);
- DSSWARN("can't set the regulator voltage\n");
- return r;
- }
+ r = regulator_set_voltage(reg, 1800000, 1800000);
+ if (r) {
+ devm_regulator_put(reg);
+ DSSWARN("can't set the regulator voltage\n");
+ return r;
}
hdmi.vdda_reg = reg;
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
index a955a2c4c061..aade6d99662a 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
@@ -131,13 +131,11 @@ static int hdmi_init_regulator(void)
return PTR_ERR(reg);
}
- if (regulator_can_change_voltage(reg)) {
- r = regulator_set_voltage(reg, 1800000, 1800000);
- if (r) {
- devm_regulator_put(reg);
- DSSWARN("can't set the regulator voltage\n");
- return r;
- }
+ r = regulator_set_voltage(reg, 1800000, 1800000);
+ if (r) {
+ devm_regulator_put(reg);
+ DSSWARN("can't set the regulator voltage\n");
+ return r;
}
hdmi.vdda_reg = reg;
diff --git a/drivers/video/fbdev/sh_mipi_dsi.c b/drivers/video/fbdev/sh_mipi_dsi.c
deleted file mode 100644
index 8f6e8ff620d4..000000000000
--- a/drivers/video/fbdev/sh_mipi_dsi.c
+++ /dev/null
@@ -1,587 +0,0 @@
-/*
- * Renesas SH-mobile MIPI DSI support
- *
- * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- */
-
-#include <linux/bitmap.h>
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/module.h>
-
-#include <video/mipi_display.h>
-#include <video/sh_mipi_dsi.h>
-#include <video/sh_mobile_lcdc.h>
-
-#include "sh_mobile_lcdcfb.h"
-
-#define SYSCTRL 0x0000
-#define SYSCONF 0x0004
-#define TIMSET 0x0008
-#define RESREQSET0 0x0018
-#define RESREQSET1 0x001c
-#define HSTTOVSET 0x0020
-#define LPRTOVSET 0x0024
-#define TATOVSET 0x0028
-#define PRTOVSET 0x002c
-#define DSICTRL 0x0030
-#define DSIINTE 0x0060
-#define PHYCTRL 0x0070
-
-/* relative to linkbase */
-#define DTCTR 0x0000
-#define VMCTR1 0x0020
-#define VMCTR2 0x0024
-#define VMLEN1 0x0028
-#define VMLEN2 0x002c
-#define CMTSRTREQ 0x0070
-#define CMTSRTCTR 0x00d0
-
-/* E.g., sh7372 has 2 MIPI-DSIs - one for each LCDC */
-#define MAX_SH_MIPI_DSI 2
-
-struct sh_mipi {
- struct sh_mobile_lcdc_entity entity;
-
- void __iomem *base;
- void __iomem *linkbase;
- struct clk *dsit_clk;
- struct platform_device *pdev;
-};
-
-#define to_sh_mipi(e) container_of(e, struct sh_mipi, entity)
-
-static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI];
-
-/* Protect the above array */
-static DEFINE_MUTEX(array_lock);
-
-static struct sh_mipi *sh_mipi_by_handle(int handle)
-{
- if (handle >= ARRAY_SIZE(mipi_dsi) || handle < 0)
- return NULL;
-
- return mipi_dsi[handle];
-}
-
-static int sh_mipi_send_short(struct sh_mipi *mipi, u8 dsi_cmd,
- u8 cmd, u8 param)
-{
- u32 data = (dsi_cmd << 24) | (cmd << 16) | (param << 8);
- int cnt = 100;
-
- /* transmit a short packet to LCD panel */
- iowrite32(1 | data, mipi->linkbase + CMTSRTCTR);
- iowrite32(1, mipi->linkbase + CMTSRTREQ);
-
- while ((ioread32(mipi->linkbase + CMTSRTREQ) & 1) && --cnt)
- udelay(1);
-
- return cnt ? 0 : -ETIMEDOUT;
-}
-
-#define LCD_CHAN2MIPI(c) ((c) < LCDC_CHAN_MAINLCD || (c) > LCDC_CHAN_SUBLCD ? \
- -EINVAL : (c) - 1)
-
-static int sh_mipi_dcs(int handle, u8 cmd)
-{
- struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle));
- if (!mipi)
- return -ENODEV;
- return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE, cmd, 0);
-}
-
-static int sh_mipi_dcs_param(int handle, u8 cmd, u8 param)
-{
- struct sh_mipi *mipi = sh_mipi_by_handle(LCD_CHAN2MIPI(handle));
- if (!mipi)
- return -ENODEV;
- return sh_mipi_send_short(mipi, MIPI_DSI_DCS_SHORT_WRITE_PARAM, cmd,
- param);
-}
-
-static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable)
-{
- /*
- * enable LCDC data tx, transition to LPS after completion of each HS
- * packet
- */
- iowrite32(0x00000002 | enable, mipi->linkbase + DTCTR);
-}
-
-static void sh_mipi_shutdown(struct platform_device *pdev)
-{
- struct sh_mipi *mipi = to_sh_mipi(platform_get_drvdata(pdev));
-
- sh_mipi_dsi_enable(mipi, false);
-}
-
-static int sh_mipi_setup(struct sh_mipi *mipi, const struct fb_videomode *mode)
-{
- void __iomem *base = mipi->base;
- struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data;
- u32 pctype, datatype, pixfmt, linelength, vmctr2;
- u32 tmp, top, bottom, delay, div;
- int bpp;
-
- /*
- * Select data format. MIPI DSI is not hot-pluggable, so, we just use
- * the default videomode. If this ever becomes a problem, We'll have to
- * move this to mipi_display_on() above and use info->var.xres
- */
- switch (pdata->data_format) {
- case MIPI_RGB888:
- pctype = 0;
- datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
- pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
- linelength = mode->xres * 3;
- break;
- case MIPI_RGB565:
- pctype = 1;
- datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
- pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
- linelength = mode->xres * 2;
- break;
- case MIPI_RGB666_LP:
- pctype = 2;
- datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
- pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
- linelength = mode->xres * 3;
- break;
- case MIPI_RGB666:
- pctype = 3;
- datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
- pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
- linelength = (mode->xres * 18 + 7) / 8;
- break;
- case MIPI_BGR888:
- pctype = 8;
- datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
- pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
- linelength = mode->xres * 3;
- break;
- case MIPI_BGR565:
- pctype = 9;
- datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
- pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
- linelength = mode->xres * 2;
- break;
- case MIPI_BGR666_LP:
- pctype = 0xa;
- datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
- pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
- linelength = mode->xres * 3;
- break;
- case MIPI_BGR666:
- pctype = 0xb;
- datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
- pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
- linelength = (mode->xres * 18 + 7) / 8;
- break;
- case MIPI_YUYV:
- pctype = 4;
- datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
- pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
- linelength = mode->xres * 2;
- break;
- case MIPI_UYVY:
- pctype = 5;
- datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
- pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
- linelength = mode->xres * 2;
- break;
- case MIPI_YUV420_L:
- pctype = 6;
- datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
- pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
- linelength = (mode->xres * 12 + 7) / 8;
- break;
- case MIPI_YUV420:
- pctype = 7;
- datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
- pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
- /* Length of U/V line */
- linelength = (mode->xres + 1) / 2;
- break;
- default:
- return -EINVAL;
- }
-
- if (!pdata->lane)
- return -EINVAL;
-
- /* reset DSI link */
- iowrite32(0x00000001, base + SYSCTRL);
- /* Hold reset for 100 cycles of the slowest of bus, HS byte and LP clock */
- udelay(50);
- iowrite32(0x00000000, base + SYSCTRL);
-
- /* setup DSI link */
-
- /*
- * T_wakeup = 0x7000
- * T_hs-trail = 3
- * T_hs-prepare = 3
- * T_clk-trail = 3
- * T_clk-prepare = 2
- */
- iowrite32(0x70003332, base + TIMSET);
- /* no responses requested */
- iowrite32(0x00000000, base + RESREQSET0);
- /* request response to packets of type 0x28 */
- iowrite32(0x00000100, base + RESREQSET1);
- /* High-speed transmission timeout, default 0xffffffff */
- iowrite32(0x0fffffff, base + HSTTOVSET);
- /* LP reception timeout, default 0xffffffff */
- iowrite32(0x0fffffff, base + LPRTOVSET);
- /* Turn-around timeout, default 0xffffffff */
- iowrite32(0x0fffffff, base + TATOVSET);
- /* Peripheral reset timeout, default 0xffffffff */
- iowrite32(0x0fffffff, base + PRTOVSET);
- /* Interrupts not used, disable all */
- iowrite32(0, base + DSIINTE);
- /* DSI-Tx bias on */
- iowrite32(0x00000001, base + PHYCTRL);
- udelay(200);
- /* Deassert resets, power on */
- iowrite32(0x03070001 | pdata->phyctrl, base + PHYCTRL);
-
- /*
- * Default = ULPS enable |
- * Contention detection enabled |
- * EoT packet transmission enable |
- * CRC check enable |
- * ECC check enable
- */
- bitmap_fill((unsigned long *)&tmp, pdata->lane);
- tmp |= 0x00003700;
- iowrite32(tmp, base + SYSCONF);
-
- /* setup l-bridge */
-
- /*
- * Enable transmission of all packets,
- * transmit LPS after each HS packet completion
- */
- iowrite32(0x00000006, mipi->linkbase + DTCTR);
- /* VSYNC width = 2 (<< 17) */
- iowrite32((mode->vsync_len << pdata->vsynw_offset) |
- (pdata->clksrc << 16) | (pctype << 12) | datatype,
- mipi->linkbase + VMCTR1);
-
- /*
- * Non-burst mode with sync pulses: VSE and HSE are output,
- * HSA period allowed, no commands in LP
- */
- vmctr2 = 0;
- if (pdata->flags & SH_MIPI_DSI_VSEE)
- vmctr2 |= 1 << 23;
- if (pdata->flags & SH_MIPI_DSI_HSEE)
- vmctr2 |= 1 << 22;
- if (pdata->flags & SH_MIPI_DSI_HSAE)
- vmctr2 |= 1 << 21;
- if (pdata->flags & SH_MIPI_DSI_BL2E)
- vmctr2 |= 1 << 17;
- if (pdata->flags & SH_MIPI_DSI_HSABM)
- vmctr2 |= 1 << 5;
- if (pdata->flags & SH_MIPI_DSI_HBPBM)
- vmctr2 |= 1 << 4;
- if (pdata->flags & SH_MIPI_DSI_HFPBM)
- vmctr2 |= 1 << 3;
- iowrite32(vmctr2, mipi->linkbase + VMCTR2);
-
- /*
- * VMLEN1 = RGBLEN | HSALEN
- *
- * see
- * Video mode - Blanking Packet setting
- */
- top = linelength << 16; /* RGBLEN */
- bottom = 0x00000001;
- if (pdata->flags & SH_MIPI_DSI_HSABM) /* HSALEN */
- bottom = (pdata->lane * mode->hsync_len) - 10;
- iowrite32(top | bottom , mipi->linkbase + VMLEN1);
-
- /*
- * VMLEN2 = HBPLEN | HFPLEN
- *
- * see
- * Video mode - Blanking Packet setting
- */
- top = 0x00010000;
- bottom = 0x00000001;
- delay = 0;
-
- div = 1; /* HSbyteCLK is calculation base
- * HS4divCLK = HSbyteCLK/2
- * HS6divCLK is not supported for now */
- if (pdata->flags & SH_MIPI_DSI_HS4divCLK)
- div = 2;
-
- if (pdata->flags & SH_MIPI_DSI_HFPBM) { /* HBPLEN */
- top = mode->hsync_len + mode->left_margin;
- top = ((pdata->lane * top / div) - 10) << 16;
- }
- if (pdata->flags & SH_MIPI_DSI_HBPBM) { /* HFPLEN */
- bottom = mode->right_margin;
- bottom = (pdata->lane * bottom / div) - 12;
- }
-
- bpp = linelength / mode->xres; /* byte / pixel */
- if ((pdata->lane / div) > bpp) {
- tmp = mode->xres / bpp; /* output cycle */
- tmp = mode->xres - tmp; /* (input - output) cycle */
- delay = (pdata->lane * tmp);
- }
-
- iowrite32(top | (bottom + delay) , mipi->linkbase + VMLEN2);
-
- msleep(5);
-
- /* setup LCD panel */
-
- /* cf. drivers/video/omap/lcd_mipid.c */
- sh_mipi_dcs(pdata->channel, MIPI_DCS_EXIT_SLEEP_MODE);
- msleep(120);
- /*
- * [7] - Page Address Mode
- * [6] - Column Address Mode
- * [5] - Page / Column Address Mode
- * [4] - Display Device Line Refresh Order
- * [3] - RGB/BGR Order
- * [2] - Display Data Latch Data Order
- * [1] - Flip Horizontal
- * [0] - Flip Vertical
- */
- sh_mipi_dcs_param(pdata->channel, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
- /* cf. set_data_lines() */
- sh_mipi_dcs_param(pdata->channel, MIPI_DCS_SET_PIXEL_FORMAT,
- pixfmt << 4);
- sh_mipi_dcs(pdata->channel, MIPI_DCS_SET_DISPLAY_ON);
-
- /* Enable timeout counters */
- iowrite32(0x00000f00, base + DSICTRL);
-
- return 0;
-}
-
-static int mipi_display_on(struct sh_mobile_lcdc_entity *entity)
-{
- struct sh_mipi *mipi = to_sh_mipi(entity);
- struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data;
- int ret;
-
- pm_runtime_get_sync(&mipi->pdev->dev);
-
- ret = pdata->set_dot_clock(mipi->pdev, mipi->base, 1);
- if (ret < 0)
- goto mipi_display_on_fail1;
-
- ret = sh_mipi_setup(mipi, &entity->def_mode);
- if (ret < 0)
- goto mipi_display_on_fail2;
-
- sh_mipi_dsi_enable(mipi, true);
-
- return SH_MOBILE_LCDC_DISPLAY_CONNECTED;
-
-mipi_display_on_fail1:
- pm_runtime_put_sync(&mipi->pdev->dev);
-mipi_display_on_fail2:
- pdata->set_dot_clock(mipi->pdev, mipi->base, 0);
-
- return ret;
-}
-
-static void mipi_display_off(struct sh_mobile_lcdc_entity *entity)
-{
- struct sh_mipi *mipi = to_sh_mipi(entity);
- struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data;
-
- sh_mipi_dsi_enable(mipi, false);
-
- pdata->set_dot_clock(mipi->pdev, mipi->base, 0);
-
- pm_runtime_put_sync(&mipi->pdev->dev);
-}
-
-static const struct sh_mobile_lcdc_entity_ops mipi_ops = {
- .display_on = mipi_display_on,
- .display_off = mipi_display_off,
-};
-
-static int __init sh_mipi_probe(struct platform_device *pdev)
-{
- struct sh_mipi *mipi;
- struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data;
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- unsigned long rate, f_current;
- int idx = pdev->id, ret;
-
- if (!res || !res2 || idx >= ARRAY_SIZE(mipi_dsi) || !pdata)
- return -ENODEV;
-
- if (!pdata->set_dot_clock)
- return -EINVAL;
-
- mutex_lock(&array_lock);
- if (idx < 0)
- for (idx = 0; idx < ARRAY_SIZE(mipi_dsi) && mipi_dsi[idx]; idx++)
- ;
-
- if (idx == ARRAY_SIZE(mipi_dsi)) {
- ret = -EBUSY;
- goto efindslot;
- }
-
- mipi = kzalloc(sizeof(*mipi), GFP_KERNEL);
- if (!mipi) {
- ret = -ENOMEM;
- goto ealloc;
- }
-
- mipi->entity.owner = THIS_MODULE;
- mipi->entity.ops = &mipi_ops;
-
- if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
- dev_err(&pdev->dev, "MIPI register region already claimed\n");
- ret = -EBUSY;
- goto ereqreg;
- }
-
- mipi->base = ioremap(res->start, resource_size(res));
- if (!mipi->base) {
- ret = -ENOMEM;
- goto emap;
- }
-
- if (!request_mem_region(res2->start, resource_size(res2), pdev->name)) {
- dev_err(&pdev->dev, "MIPI register region 2 already claimed\n");
- ret = -EBUSY;
- goto ereqreg2;
- }
-
- mipi->linkbase = ioremap(res2->start, resource_size(res2));
- if (!mipi->linkbase) {
- ret = -ENOMEM;
- goto emap2;
- }
-
- mipi->pdev = pdev;
-
- mipi->dsit_clk = clk_get(&pdev->dev, "dsit_clk");
- if (IS_ERR(mipi->dsit_clk)) {
- ret = PTR_ERR(mipi->dsit_clk);
- goto eclktget;
- }
-
- f_current = clk_get_rate(mipi->dsit_clk);
- /* 80MHz required by the datasheet */
- rate = clk_round_rate(mipi->dsit_clk, 80000000);
- if (rate > 0 && rate != f_current)
- ret = clk_set_rate(mipi->dsit_clk, rate);
- else
- ret = rate;
- if (ret < 0)
- goto esettrate;
-
- dev_dbg(&pdev->dev, "DSI-T clk %lu -> %lu\n", f_current, rate);
-
- ret = clk_enable(mipi->dsit_clk);
- if (ret < 0)
- goto eclkton;
-
- mipi_dsi[idx] = mipi;
-
- pm_runtime_enable(&pdev->dev);
- pm_runtime_resume(&pdev->dev);
-
- mutex_unlock(&array_lock);
- platform_set_drvdata(pdev, &mipi->entity);
-
- return 0;
-
-eclkton:
-esettrate:
- clk_put(mipi->dsit_clk);
-eclktget:
- iounmap(mipi->linkbase);
-emap2:
- release_mem_region(res2->start, resource_size(res2));
-ereqreg2:
- iounmap(mipi->base);
-emap:
- release_mem_region(res->start, resource_size(res));
-ereqreg:
- kfree(mipi);
-ealloc:
-efindslot:
- mutex_unlock(&array_lock);
-
- return ret;
-}
-
-static int sh_mipi_remove(struct platform_device *pdev)
-{
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- struct sh_mipi *mipi = to_sh_mipi(platform_get_drvdata(pdev));
- int i, ret;
-
- mutex_lock(&array_lock);
-
- for (i = 0; i < ARRAY_SIZE(mipi_dsi) && mipi_dsi[i] != mipi; i++)
- ;
-
- if (i == ARRAY_SIZE(mipi_dsi)) {
- ret = -EINVAL;
- } else {
- ret = 0;
- mipi_dsi[i] = NULL;
- }
-
- mutex_unlock(&array_lock);
-
- if (ret < 0)
- return ret;
-
- pm_runtime_disable(&pdev->dev);
- clk_disable(mipi->dsit_clk);
- clk_put(mipi->dsit_clk);
-
- iounmap(mipi->linkbase);
- if (res2)
- release_mem_region(res2->start, resource_size(res2));
- iounmap(mipi->base);
- if (res)
- release_mem_region(res->start, resource_size(res));
- kfree(mipi);
-
- return 0;
-}
-
-static struct platform_driver sh_mipi_driver = {
- .remove = sh_mipi_remove,
- .shutdown = sh_mipi_shutdown,
- .driver = {
- .name = "sh-mipi-dsi",
- },
-};
-
-module_platform_driver_probe(sh_mipi_driver, sh_mipi_probe);
-
-MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>");
-MODULE_DESCRIPTION("SuperH / ARM-shmobile MIPI DSI driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index fa3480815cdb..21dafe53ca49 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -389,7 +389,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
return ret;
ret = ssd1307fb_write_cmd(par->client,
- (par->device_info->need_chargepump & 0x1 << 2) & 0x14);
+ BIT(4) | (par->device_info->need_chargepump ? BIT(2) : 0));
if (ret < 0)
return ret;
diff --git a/drivers/video/fbdev/via/accel.c b/drivers/video/fbdev/via/accel.c
index 4b67b8e6030a..eb3615c69987 100644
--- a/drivers/video/fbdev/via/accel.c
+++ b/drivers/video/fbdev/via/accel.c
@@ -358,7 +358,7 @@ int viafb_setup_engine(struct fb_info *info)
viapar->shared->vq_vram_addr = viapar->fbmem_free;
viapar->fbmem_used += VQ_SIZE;
-#if defined(CONFIG_VIDEO_VIA_CAMERA) || defined(CONFIG_VIDEO_VIA_CAMERA_MODULE)
+#if IS_ENABLED(CONFIG_VIDEO_VIA_CAMERA)
/*
* Set aside a chunk of framebuffer memory for the camera
* driver. Someday this driver probably needs a proper allocator
diff --git a/drivers/video/fbdev/via/via-core.c b/drivers/video/fbdev/via/via-core.c
index 6e274825fb31..1d28e16888e9 100644
--- a/drivers/video/fbdev/via/via-core.c
+++ b/drivers/video/fbdev/via/via-core.c
@@ -116,7 +116,7 @@ EXPORT_SYMBOL_GPL(viafb_irq_disable);
* most viafb systems will not need to have this extra code for a while.
* As soon as another user comes long, the ifdef can be removed.
*/
-#if defined(CONFIG_VIDEO_VIA_CAMERA) || defined(CONFIG_VIDEO_VIA_CAMERA_MODULE)
+#if IS_ENABLED(CONFIG_VIDEO_VIA_CAMERA)
/*
* Access to the DMA engine. This currently provides what the camera
* driver needs (i.e. outgoing only) but is easily expandable if need
@@ -542,7 +542,7 @@ static struct viafb_subdev_info {
{
.name = "viafb-i2c",
},
-#if defined(CONFIG_VIDEO_VIA_CAMERA) || defined(CONFIG_VIDEO_VIA_CAMERA_MODULE)
+#if IS_ENABLED(CONFIG_VIDEO_VIA_CAMERA)
{
.name = "viafb-camera",
},