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authorFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2012-03-13 23:17:43 +0000
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2012-03-13 23:17:43 +0000
commitf9b4a5ce1a6b3154ff857e17d031473e0bac72d2 (patch)
tree247e94804b1abcfdfbd623b9b919ed9e2c76a994 /drivers/video
parentafb0499b0e43e2ee71a92bec9331635dc1173a07 (diff)
parentaf89956be14ae5bb304872756a47309edc2c94fb (diff)
Merge branch 'for-next' of git://linuxtv.org/pinchartl/fbdev into fbdev-next
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/Kconfig1
-rw-r--r--drivers/video/sh_mipi_dsi.c97
-rw-r--r--drivers/video/sh_mobile_hdmi.c297
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c1280
-rw-r--r--drivers/video/sh_mobile_lcdcfb.h84
-rw-r--r--drivers/video/sh_mobile_meram.c690
6 files changed, 1297 insertions, 1152 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 8951cbd2d2f..a4359424318 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -2016,6 +2016,7 @@ config FB_SH_MOBILE_HDMI
config FB_SH_MOBILE_MERAM
tristate "SuperH Mobile MERAM read ahead support for LCDC"
depends on FB_SH_MOBILE_LCDC
+ select GENERIC_ALLOCATOR
default y
---help---
Enable MERAM support for the SH-Mobile LCD controller.
diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c
index 05151b82f40..42ad0f707e8 100644
--- a/drivers/video/sh_mipi_dsi.c
+++ b/drivers/video/sh_mipi_dsi.c
@@ -24,6 +24,8 @@
#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
@@ -50,16 +52,16 @@
#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;
-
- void *next_board_data;
- void (*next_display_on)(void *board_data, struct fb_info *info);
- void (*next_display_off)(void *board_data);
};
+#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 */
@@ -120,7 +122,7 @@ static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable)
static void sh_mipi_shutdown(struct platform_device *pdev)
{
- struct sh_mipi *mipi = platform_get_drvdata(pdev);
+ struct sh_mipi *mipi = to_sh_mipi(platform_get_drvdata(pdev));
sh_mipi_dsi_enable(mipi, false);
}
@@ -145,77 +147,77 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
pctype = 0;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
- linelength = ch->lcd_cfg[0].xres * 3;
+ linelength = ch->lcd_modes[0].xres * 3;
yuv = false;
break;
case MIPI_RGB565:
pctype = 1;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
- linelength = ch->lcd_cfg[0].xres * 2;
+ linelength = ch->lcd_modes[0].xres * 2;
yuv = false;
break;
case MIPI_RGB666_LP:
pctype = 2;
datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
- linelength = ch->lcd_cfg[0].xres * 3;
+ linelength = ch->lcd_modes[0].xres * 3;
yuv = false;
break;
case MIPI_RGB666:
pctype = 3;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
- linelength = (ch->lcd_cfg[0].xres * 18 + 7) / 8;
+ linelength = (ch->lcd_modes[0].xres * 18 + 7) / 8;
yuv = false;
break;
case MIPI_BGR888:
pctype = 8;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_24;
pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
- linelength = ch->lcd_cfg[0].xres * 3;
+ linelength = ch->lcd_modes[0].xres * 3;
yuv = false;
break;
case MIPI_BGR565:
pctype = 9;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_16;
pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
- linelength = ch->lcd_cfg[0].xres * 2;
+ linelength = ch->lcd_modes[0].xres * 2;
yuv = false;
break;
case MIPI_BGR666_LP:
pctype = 0xa;
datatype = MIPI_DSI_PIXEL_STREAM_3BYTE_18;
pixfmt = MIPI_DCS_PIXEL_FMT_24BIT;
- linelength = ch->lcd_cfg[0].xres * 3;
+ linelength = ch->lcd_modes[0].xres * 3;
yuv = false;
break;
case MIPI_BGR666:
pctype = 0xb;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_18;
pixfmt = MIPI_DCS_PIXEL_FMT_18BIT;
- linelength = (ch->lcd_cfg[0].xres * 18 + 7) / 8;
+ linelength = (ch->lcd_modes[0].xres * 18 + 7) / 8;
yuv = false;
break;
case MIPI_YUYV:
pctype = 4;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
- linelength = ch->lcd_cfg[0].xres * 2;
+ linelength = ch->lcd_modes[0].xres * 2;
yuv = true;
break;
case MIPI_UYVY:
pctype = 5;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16;
pixfmt = MIPI_DCS_PIXEL_FMT_16BIT;
- linelength = ch->lcd_cfg[0].xres * 2;
+ linelength = ch->lcd_modes[0].xres * 2;
yuv = true;
break;
case MIPI_YUV420_L:
pctype = 6;
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
- linelength = (ch->lcd_cfg[0].xres * 12 + 7) / 8;
+ linelength = (ch->lcd_modes[0].xres * 12 + 7) / 8;
yuv = true;
break;
case MIPI_YUV420:
@@ -223,7 +225,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
datatype = MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12;
pixfmt = MIPI_DCS_PIXEL_FMT_12BIT;
/* Length of U/V line */
- linelength = (ch->lcd_cfg[0].xres + 1) / 2;
+ linelength = (ch->lcd_modes[0].xres + 1) / 2;
yuv = true;
break;
default:
@@ -292,7 +294,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
*/
iowrite32(0x00000006, mipi->linkbase + DTCTR);
/* VSYNC width = 2 (<< 17) */
- iowrite32((ch->lcd_cfg[0].vsync_len << pdata->vsynw_offset) |
+ iowrite32((ch->lcd_modes[0].vsync_len << pdata->vsynw_offset) |
(pdata->clksrc << 16) | (pctype << 12) | datatype,
mipi->linkbase + VMCTR1);
@@ -326,7 +328,7 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
top = linelength << 16; /* RGBLEN */
bottom = 0x00000001;
if (pdata->flags & SH_MIPI_DSI_HSABM) /* HSALEN */
- bottom = (pdata->lane * ch->lcd_cfg[0].hsync_len) - 10;
+ bottom = (pdata->lane * ch->lcd_modes[0].hsync_len) - 10;
iowrite32(top | bottom , mipi->linkbase + VMLEN1);
/*
@@ -346,18 +348,18 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
div = 2;
if (pdata->flags & SH_MIPI_DSI_HFPBM) { /* HBPLEN */
- top = ch->lcd_cfg[0].hsync_len + ch->lcd_cfg[0].left_margin;
+ top = ch->lcd_modes[0].hsync_len + ch->lcd_modes[0].left_margin;
top = ((pdata->lane * top / div) - 10) << 16;
}
if (pdata->flags & SH_MIPI_DSI_HBPBM) { /* HFPLEN */
- bottom = ch->lcd_cfg[0].right_margin;
+ bottom = ch->lcd_modes[0].right_margin;
bottom = (pdata->lane * bottom / div) - 12;
}
- bpp = linelength / ch->lcd_cfg[0].xres; /* byte / pixel */
+ bpp = linelength / ch->lcd_modes[0].xres; /* byte / pixel */
if ((pdata->lane / div) > bpp) {
- tmp = ch->lcd_cfg[0].xres / bpp; /* output cycle */
- tmp = ch->lcd_cfg[0].xres - tmp; /* (input - output) cycle */
+ tmp = ch->lcd_modes[0].xres / bpp; /* output cycle */
+ tmp = ch->lcd_modes[0].xres - tmp; /* (input - output) cycle */
delay = (pdata->lane * tmp);
}
@@ -392,9 +394,9 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi,
return 0;
}
-static void mipi_display_on(void *arg, struct fb_info *info)
+static int mipi_display_on(struct sh_mobile_lcdc_entity *entity)
{
- struct sh_mipi *mipi = arg;
+ struct sh_mipi *mipi = to_sh_mipi(entity);
struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data;
int ret;
@@ -410,25 +412,21 @@ static void mipi_display_on(void *arg, struct fb_info *info)
sh_mipi_dsi_enable(mipi, true);
- if (mipi->next_display_on)
- mipi->next_display_on(mipi->next_board_data, info);
-
- return;
+ 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(void *arg)
+static void mipi_display_off(struct sh_mobile_lcdc_entity *entity)
{
- struct sh_mipi *mipi = arg;
+ struct sh_mipi *mipi = to_sh_mipi(entity);
struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data;
- if (mipi->next_display_off)
- mipi->next_display_off(mipi->next_board_data);
-
sh_mipi_dsi_enable(mipi, false);
pdata->set_dot_clock(mipi->pdev, mipi->base, 0);
@@ -436,6 +434,11 @@ static void mipi_display_off(void *arg)
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;
@@ -467,6 +470,9 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
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;
@@ -521,18 +527,7 @@ static int __init sh_mipi_probe(struct platform_device *pdev)
pm_runtime_resume(&pdev->dev);
mutex_unlock(&array_lock);
- platform_set_drvdata(pdev, mipi);
-
- /* Save original LCDC callbacks */
- mipi->next_board_data = pdata->lcd_chan->board_cfg.board_data;
- mipi->next_display_on = pdata->lcd_chan->board_cfg.display_on;
- mipi->next_display_off = pdata->lcd_chan->board_cfg.display_off;
-
- /* Set up LCDC callbacks */
- pdata->lcd_chan->board_cfg.board_data = mipi;
- pdata->lcd_chan->board_cfg.display_on = mipi_display_on;
- pdata->lcd_chan->board_cfg.display_off = mipi_display_off;
- pdata->lcd_chan->board_cfg.owner = THIS_MODULE;
+ platform_set_drvdata(pdev, &mipi->entity);
return 0;
@@ -558,10 +553,9 @@ efindslot:
static int __exit sh_mipi_remove(struct platform_device *pdev)
{
- 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);
- struct sh_mipi *mipi = platform_get_drvdata(pdev);
+ struct sh_mipi *mipi = to_sh_mipi(platform_get_drvdata(pdev));
int i, ret;
mutex_lock(&array_lock);
@@ -581,11 +575,6 @@ static int __exit sh_mipi_remove(struct platform_device *pdev)
if (ret < 0)
return ret;
- pdata->lcd_chan->board_cfg.owner = NULL;
- pdata->lcd_chan->board_cfg.display_on = NULL;
- pdata->lcd_chan->board_cfg.display_off = NULL;
- pdata->lcd_chan->board_cfg.board_data = NULL;
-
pm_runtime_disable(&pdev->dev);
clk_disable(mipi->dsit_clk);
clk_put(mipi->dsit_clk);
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
index 647ba984f00..eafb19da2c0 100644
--- a/drivers/video/sh_mobile_hdmi.c
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -208,6 +208,8 @@ enum hotplug_state {
};
struct sh_hdmi {
+ struct sh_mobile_lcdc_entity entity;
+
void __iomem *base;
enum hotplug_state hp_state; /* hot-plug status */
u8 preprogrammed_vic; /* use a pre-programmed VIC or
@@ -217,14 +219,13 @@ struct sh_hdmi {
u8 edid_blocks;
struct clk *hdmi_clk;
struct device *dev;
- struct fb_info *info;
- struct mutex mutex; /* Protect the info pointer */
struct delayed_work edid_work;
- struct fb_var_screeninfo var;
+ struct fb_videomode mode;
struct fb_monspecs monspec;
- struct notifier_block notifier;
};
+#define entity_to_sh_hdmi(e) container_of(e, struct sh_hdmi, entity)
+
static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg)
{
iowrite8(data, hdmi->base + reg);
@@ -290,24 +291,24 @@ static struct snd_soc_codec_driver soc_codec_dev_sh_hdmi = {
/* External video parameter settings */
static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
{
- struct fb_var_screeninfo *var = &hdmi->var;
+ struct fb_videomode *mode = &hdmi->mode;
u16 htotal, hblank, hdelay, vtotal, vblank, vdelay, voffset;
u8 sync = 0;
- htotal = var->xres + var->right_margin + var->left_margin + var->hsync_len;
-
- hdelay = var->hsync_len + var->left_margin;
- hblank = var->right_margin + hdelay;
+ htotal = mode->xres + mode->right_margin + mode->left_margin
+ + mode->hsync_len;
+ hdelay = mode->hsync_len + mode->left_margin;
+ hblank = mode->right_margin + hdelay;
/*
* Vertical timing looks a bit different in Figure 18,
* but let's try the same first by setting offset = 0
*/
- vtotal = var->yres + var->upper_margin + var->lower_margin + var->vsync_len;
-
- vdelay = var->vsync_len + var->upper_margin;
- vblank = var->lower_margin + vdelay;
- voffset = min(var->upper_margin / 2, 6U);
+ vtotal = mode->yres + mode->upper_margin + mode->lower_margin
+ + mode->vsync_len;
+ vdelay = mode->vsync_len + mode->upper_margin;
+ vblank = mode->lower_margin + vdelay;
+ voffset = min(mode->upper_margin / 2, 6U);
/*
* [3]: VSYNC polarity: Positive
@@ -315,14 +316,14 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
* [1]: Interlace/Progressive: Progressive
* [0]: External video settings enable: used.
*/
- if (var->sync & FB_SYNC_HOR_HIGH_ACT)
+ if (mode->sync & FB_SYNC_HOR_HIGH_ACT)
sync |= 4;
- if (var->sync & FB_SYNC_VERT_HIGH_ACT)
+ if (mode->sync & FB_SYNC_VERT_HIGH_ACT)
sync |= 8;
dev_dbg(hdmi->dev, "H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n",
- htotal, hblank, hdelay, var->hsync_len,
- vtotal, vblank, vdelay, var->vsync_len, sync);
+ htotal, hblank, hdelay, mode->hsync_len,
+ vtotal, vblank, vdelay, mode->vsync_len, sync);
hdmi_write(hdmi, sync | (voffset << 4), HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
@@ -335,8 +336,8 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
hdmi_write(hdmi, hdelay, HDMI_EXTERNAL_H_DELAY_7_0);
hdmi_write(hdmi, hdelay >> 8, HDMI_EXTERNAL_H_DELAY_9_8);
- hdmi_write(hdmi, var->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0);
- hdmi_write(hdmi, var->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8);
+ hdmi_write(hdmi, mode->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0);
+ hdmi_write(hdmi, mode->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8);
hdmi_write(hdmi, vtotal, HDMI_EXTERNAL_V_TOTAL_7_0);
hdmi_write(hdmi, vtotal >> 8, HDMI_EXTERNAL_V_TOTAL_9_8);
@@ -345,7 +346,7 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
hdmi_write(hdmi, vdelay, HDMI_EXTERNAL_V_DELAY);
- hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
+ hdmi_write(hdmi, mode->vsync_len, HDMI_EXTERNAL_V_DURATION);
/* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */
if (!hdmi->preprogrammed_vic)
@@ -472,7 +473,7 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
*/
static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
{
- if (hdmi->var.pixclock < 10000) {
+ if (hdmi->mode.pixclock < 10000) {
/* for 1080p8bit 148MHz */
hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
@@ -483,7 +484,7 @@ static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
hdmi_write(hdmi, 0x0e, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
- } else if (hdmi->var.pixclock < 30000) {
+ } else if (hdmi->mode.pixclock < 30000) {
/* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
/*
* [1:0] Speed_A
@@ -732,14 +733,12 @@ static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
unsigned long *parent_rate)
{
- struct fb_var_screeninfo tmpvar;
- struct fb_var_screeninfo *var = &tmpvar;
+ struct sh_mobile_lcdc_chan *ch = hdmi->entity.lcdc;
const struct fb_videomode *mode, *found = NULL;
- struct fb_info *info = hdmi->info;
- struct fb_modelist *modelist = NULL;
unsigned int f_width = 0, f_height = 0, f_refresh = 0;
unsigned long found_rate_error = ULONG_MAX; /* silly compiler... */
bool scanning = false, preferred_bad = false;
+ bool use_edid_mode = false;
u8 edid[128];
char *forced;
int i;
@@ -854,12 +853,9 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
}
/* Check if supported: sufficient fb memory, supported clock-rate */
- fb_videomode_to_var(var, mode);
-
- var->bits_per_pixel = info->var.bits_per_pixel;
-
- if (info && info->fbops->fb_check_var &&
- info->fbops->fb_check_var(var, info)) {
+ if (ch && ch->notify &&
+ ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_MODE, mode,
+ NULL)) {
scanning = true;
preferred_bad = true;
continue;
@@ -867,28 +863,19 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
found = mode;
found_rate_error = rate_error;
+ use_edid_mode = true;
}
- hdmi->var.width = hdmi->monspec.max_x * 10;
- hdmi->var.height = hdmi->monspec.max_y * 10;
-
/*
- * TODO 1: if no ->info is present, postpone running the config until
- * after ->info first gets registered.
+ * TODO 1: if no default mode is present, postpone running the config
+ * until after the LCDC channel is initialized.
* TODO 2: consider registering the HDMI platform device from the LCDC
- * driver, and passing ->info with HDMI platform data.
+ * driver.
*/
- if (info && !found) {
- modelist = info->modelist.next &&
- !list_empty(&info->modelist) ?
- list_entry(info->modelist.next,
- struct fb_modelist, list) :
- NULL;
-
- if (modelist) {
- found = &modelist->mode;
- found_rate_error = sh_hdmi_rate_error(hdmi, found, hdmi_rate, parent_rate);
- }
+ if (!found && hdmi->entity.def_mode.xres != 0) {
+ found = &hdmi->entity.def_mode;
+ found_rate_error = sh_hdmi_rate_error(hdmi, found, hdmi_rate,
+ parent_rate);
}
/* No cookie today */
@@ -912,12 +899,13 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
else
hdmi->preprogrammed_vic = 0;
- dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
- modelist ? "default" : "EDID", hdmi->preprogrammed_vic ? "VIC" : "external",
- found->xres, found->yres, found->refresh,
- PICOS2KHZ(found->pixclock) * 1000, found_rate_error);
+ dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), "
+ "clock error %luHz\n", use_edid_mode ? "EDID" : "default",
+ hdmi->preprogrammed_vic ? "VIC" : "external", found->xres,
+ found->yres, found->refresh, PICOS2KHZ(found->pixclock) * 1000,
+ found_rate_error);
- fb_videomode_to_var(&hdmi->var, found);
+ hdmi->mode = *found;
sh_hdmi_external_video_param(hdmi);
return 0;
@@ -998,22 +986,12 @@ static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id)
return IRQ_HANDLED;
}
-/* locking: called with info->lock held, or before register_framebuffer() */
-static void sh_hdmi_display_on(void *arg, struct fb_info *info)
+static int sh_hdmi_display_on(struct sh_mobile_lcdc_entity *entity)
{
- /*
- * info is guaranteed to be valid, when we are called, because our
- * FB_EVENT_FB_UNBIND notify is also called with info->lock held
- */
- struct sh_hdmi *hdmi = arg;
- struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
- struct sh_mobile_lcdc_chan *ch = info->par;
+ struct sh_hdmi *hdmi = entity_to_sh_hdmi(entity);
- dev_dbg(hdmi->dev, "%s(%p): state %x\n", __func__,
- pdata->lcd_dev, info->state);
-
- /* No need to lock */
- hdmi->info = info;
+ dev_dbg(hdmi->dev, "%s(%p): state %x\n", __func__, hdmi,
+ hdmi->hp_state);
/*
* hp_state can be set to
@@ -1021,56 +999,30 @@ static void sh_hdmi_display_on(void *arg, struct fb_info *info)
* HDMI_HOTPLUG_CONNECTED: on monitor plug-in
* HDMI_HOTPLUG_EDID_DONE: on EDID read completion
*/
- switch (hdmi->hp_state) {
- case HDMI_HOTPLUG_EDID_DONE:
+ if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) {
/* PS mode d->e. All functions are active */
hdmi_write(hdmi, 0x80, HDMI_SYSTEM_CTRL);
dev_dbg(hdmi->dev, "HDMI running\n");
- break;
- case HDMI_HOTPLUG_DISCONNECTED:
- info->state = FBINFO_STATE_SUSPENDED;
- default:
- hdmi->var = ch->display_var;
}
+
+ return hdmi->hp_state == HDMI_HOTPLUG_DISCONNECTED
+ ? SH_MOBILE_LCDC_DISPLAY_DISCONNECTED
+ : SH_MOBILE_LCDC_DISPLAY_CONNECTED;
}
-/* locking: called with info->lock held */
-static void sh_hdmi_display_off(void *arg)
+static void sh_hdmi_display_off(struct sh_mobile_lcdc_entity *entity)
{
- struct sh_hdmi *hdmi = arg;
- struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
+ struct sh_hdmi *hdmi = entity_to_sh_hdmi(entity);
- dev_dbg(hdmi->dev, "%s(%p)\n", __func__, pdata->lcd_dev);
+ dev_dbg(hdmi->dev, "%s(%p)\n", __func__, hdmi);
/* PS mode e->a */
hdmi_write(hdmi, 0x10, HDMI_SYSTEM_CTRL);
}
-static bool sh_hdmi_must_reconfigure(struct sh_hdmi *hdmi)
-{
- struct fb_info *info = hdmi->info;
- struct sh_mobile_lcdc_chan *ch = info->par;
- struct fb_var_screeninfo *new_var = &hdmi->var, *old_var = &ch->display_var;
- struct fb_videomode mode1, mode2;
-
- fb_var_to_videomode(&mode1, old_var);
- fb_var_to_videomode(&mode2, new_var);
-
- dev_dbg(info->dev, "Old %ux%u, new %ux%u\n",
- mode1.xres, mode1.yres, mode2.xres, mode2.yres);
-
- if (fb_mode_is_equal(&mode1, &mode2)) {
- /* It can be a different monitor with an equal video-mode */
- old_var->width = new_var->width;
- old_var->height = new_var->height;
- return false;
- }
-
- dev_dbg(info->dev, "Switching %u -> %u lines\n",
- mode1.yres, mode2.yres);
- *old_var = *new_var;
-
- return true;
-}
+static const struct sh_mobile_lcdc_entity_ops sh_hdmi_ops = {
+ .display_on = sh_hdmi_display_on,
+ .display_off = sh_hdmi_display_off,
+};
/**
* sh_hdmi_clk_configure() - set HDMI clock frequency and enable the clock
@@ -1111,20 +1063,11 @@ static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long hdmi_rate,
static void sh_hdmi_edid_work_fn(struct work_struct *work)
{
struct sh_hdmi *hdmi = container_of(work, struct sh_hdmi, edid_work.work);
- struct fb_info *info;
- struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
- struct sh_mobile_lcdc_chan *ch;
+ struct sh_mobile_lcdc_chan *ch = hdmi->entity.lcdc;
int ret;
- dev_dbg(hdmi->dev, "%s(%p): begin, hotplug status %d\n", __func__,
- pdata->lcd_dev, hdmi->hp_state);
-
- if (!pdata->lcd_dev)
- return;
-
- mutex_lock(&hdmi->mutex);
-
- info = hdmi->info;
+ dev_dbg(hdmi->dev, "%s(%p): begin, hotplug status %d\n", __func__, hdmi,
+ hdmi->hp_state);
if (hdmi->hp_state == HDMI_HOTPLUG_CONNECTED) {
unsigned long parent_rate = 0, hdmi_rate;
@@ -1145,103 +1088,32 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
/* Switched to another (d) power-save mode */
msleep(10);
- if (!info)
- goto out;
-
- ch = info->par;
-
- if (lock_fb_info(info)) {
- console_lock();
-
- /* HDMI plug in */
- if (!sh_hdmi_must_reconfigure(hdmi) &&
- info->state == FBINFO_STATE_RUNNING) {
- /*
- * First activation with the default monitor - just turn
- * on, if we run a resume here, the logo disappears
- */
- info->var.width = hdmi->var.width;
- info->var.height = hdmi->var.height;
- sh_hdmi_display_on(hdmi, info);
- } else {
- /* New monitor or have to wake up */
- fb_set_suspend(info, 0);
- }
-
- console_unlock();
- unlock_fb_info(info);
- }
+ if (ch && ch->notify)
+ ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT,
+ &hdmi->mode, &hdmi->monspec);
} else {
- ret = 0;
- if (!info)
- goto out;
-
hdmi->monspec.modedb_len = 0;
fb_destroy_modedb(hdmi->monspec.modedb);
hdmi->monspec.modedb = NULL;
- if (lock_fb_info(info)) {
- console_lock();
+ if (ch && ch->notify)
+ ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT,
+ NULL, NULL);
- /* HDMI disconnect */
- fb_set_suspend(info, 1);
-
- console_unlock();
- unlock_fb_info(info);
- }
+ ret = 0;
}
out:
if (ret < 0 && ret != -EAGAIN)
hdmi->hp_state = HDMI_HOTPLUG_DISCONNECTED;
- mutex_unlock(&hdmi->mutex);
- dev_dbg(hdmi->dev, "%s(%p): end\n", __func__, pdata->lcd_dev);
-}
-
-static int sh_hdmi_notify(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- struct fb_event *event = data;
- struct fb_info *info = event->info;
- struct sh_mobile_lcdc_chan *ch = info->par;
- struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg;
- struct sh_hdmi *hdmi = board_cfg->board_data;
-
- if (!hdmi || nb != &hdmi->notifier || hdmi->info != info)
- return NOTIFY_DONE;
-
- switch(action) {
- case FB_EVENT_FB_REGISTERED:
- /* Unneeded, activation taken care by sh_hdmi_display_on() */
- break;
- case FB_EVENT_FB_UNREGISTERED:
- /*
- * We are called from unregister_framebuffer() with the
- * info->lock held. This is bad for us, because we can race with
- * the scheduled work, which has to call fb_set_suspend(), which
- * takes info->lock internally, so, sh_hdmi_edid_work_fn()
- * cannot take and hold info->lock for the whole function
- * duration. Using an additional lock creates a classical AB-BA
- * lock up. Therefore, we have to release the info->lock
- * temporarily, synchronise with the work queue and re-acquire
- * the info->lock.
- */
- unlock_fb_info(info);
- mutex_lock(&hdmi->mutex);
- hdmi->info = NULL;
- mutex_unlock(&hdmi->mutex);
- lock_fb_info(info);
- return NOTIFY_OK;
- }
- return NOTIFY_DONE;
+ dev_dbg(hdmi->dev, "%s(%p): end\n", __func__, hdmi);
}
static int __init sh_hdmi_probe(struct platform_device *pdev)
{
struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data;
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- struct sh_mobile_lcdc_board_cfg *board_cfg;
int irq = platform_get_irq(pdev, 0), ret;
struct sh_hdmi *hdmi;
long rate;
@@ -1255,9 +1127,9 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
return -ENOMEM;
}
- mutex_init(&hdmi->mutex);
-
hdmi->dev = &pdev->dev;
+ hdmi->entity.owner = THIS_MODULE;
+ hdmi->entity.ops = &sh_hdmi_ops;
hdmi->hdmi_clk = clk_get(&pdev->dev, "ick");
if (IS_ERR(hdmi->hdmi_clk)) {
@@ -1297,14 +1169,7 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
goto emap;
}
- platform_set_drvdata(pdev, hdmi);
-
- /* Set up LCDC callbacks */
- board_cfg = &pdata->lcd_chan->board_cfg;
- board_cfg->owner = THIS_MODULE;
- board_cfg->board_data = hdmi;
- board_cfg->display_on = sh_hdmi_display_on;
- board_cfg->display_off = sh_hdmi_display_off;
+ platform_set_drvdata(pdev, &hdmi->entity);
INIT_DELAYED_WORK(&hdmi->edid_work, sh_hdmi_edid_work_fn);
@@ -1329,9 +1194,6 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
goto ecodec;
}
- hdmi->notifier.notifier_call = sh_hdmi_notify;
- fb_register_client(&hdmi->notifier);
-
return 0;
ecodec:
@@ -1347,7 +1209,6 @@ ereqreg:
erate:
clk_put(hdmi->hdmi_clk);
egetclk:
- mutex_destroy(&hdmi->mutex);
kfree(hdmi);
return ret;
@@ -1355,21 +1216,12 @@ egetclk:
static int __exit sh_hdmi_remove(struct platform_device *pdev)
{
- struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data;
- struct sh_hdmi *hdmi = platform_get_drvdata(pdev);
+ struct sh_hdmi *hdmi = entity_to_sh_hdmi(platform_get_drvdata(pdev));
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- struct sh_mobile_lcdc_board_cfg *board_cfg = &pdata->lcd_chan->board_cfg;
int irq = platform_get_irq(pdev, 0);
snd_soc_unregister_codec(&pdev->dev);
- fb_unregister_client(&hdmi->notifier);
-
- board_cfg->display_on = NULL;
- board_cfg->display_off = NULL;
- board_cfg->board_data = NULL;
- board_cfg->owner = NULL;
-
/* No new work will be scheduled, wait for running ISR */
free_irq(irq, hdmi);
/* Wait for already scheduled work */
@@ -1380,7 +1232,6 @@ static int __exit sh_hdmi_remove(struct platform_device *pdev)
clk_put(hdmi->hdmi_clk);
iounmap(hdmi->base);
release_mem_region(res->start, resource_size(res));
- mutex_destroy(&hdmi->mutex);
kfree(hdmi);
return 0;
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index aac5b369d73..7a0b301587f 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -8,26 +8,27 @@
* for more details.
*/
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/mm.h>
+#include <linux/atomic.h>
+#include <linux/backlight.h>
#include <linux/clk.h>
-#include <linux/pm_runtime.h>
-#include <linux/platform_device.h>
+#include <linux/console.h>
#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
#include <linux/interrupt.h>
-#include <linux/videodev2.h>
-#include <linux/vmalloc.h>
#include <linux/ioctl.h>
-#include <linux/slab.h>
-#include <linux/console.h>
-#include <linux/backlight.h>
-#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/videodev2.h>
+#include <linux/vmalloc.h>
+
#include <video/sh_mobile_lcdc.h>
#include <video/sh_mobile_meram.h>
-#include <linux/atomic.h>
#include "sh_mobile_lcdcfb.h"
@@ -37,6 +38,24 @@
#define MAX_XRES 1920
#define MAX_YRES 1080
+struct sh_mobile_lcdc_priv {
+ void __iomem *base;
+ int irq;
+ atomic_t hw_usecnt;
+ struct device *dev;
+ struct clk *dot_clk;
+ unsigned long lddckr;
+ struct sh_mobile_lcdc_chan ch[2];
+ struct notifier_block notifier;
+ int started;
+ int forced_fourcc; /* 2 channel LCDC must share fourcc setting */
+ struct sh_mobile_meram_info *meram_dev;
+};
+
+/* -----------------------------------------------------------------------------
+ * Registers access
+ */
+
static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = {
[LDDCKPAT1R] = 0x400,
[LDDCKPAT2R] = 0x404,
@@ -75,38 +94,6 @@ static unsigned long lcdc_offs_sublcd[NR_CH_REGS] = {
[LDPMR] = 0x63c,
};
-static const struct fb_videomode default_720p = {
- .name = "HDMI 720p",
- .xres = 1280,
- .yres = 720,
-
- .left_margin = 220,
- .right_margin = 110,
- .hsync_len = 40,
-
- .upper_margin = 20,
- .lower_margin = 5,
- .vsync_len = 5,
-
- .pixclock = 13468,
- .refresh = 60,
- .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
-};
-
-struct sh_mobile_lcdc_priv {
- void __iomem *base;
- int irq;
- atomic_t hw_usecnt;
- struct device *dev;
- struct clk *dot_clk;
- unsigned long lddckr;
- struct sh_mobile_lcdc_chan ch[2];
- struct notifier_block notifier;
- int started;
- int forced_fourcc; /* 2 channel LCDC must share fourcc setting */
- struct sh_mobile_meram_info *meram_dev;
-};
-
static bool banked(int reg_nr)
{
switch (reg_nr) {
@@ -127,6 +114,11 @@ static bool banked(int reg_nr)
return false;
}
+static int lcdc_chan_is_sublcd(struct sh_mobile_lcdc_chan *chan)
+{
+ return chan->cfg->chan == LCDC_CHAN_SUBLCD;
+}
+
static void lcdc_write_chan(struct sh_mobile_lcdc_chan *chan,
int reg_nr, unsigned long data)
{
@@ -169,11 +161,72 @@ static void lcdc_wait_bit(struct sh_mobile_lcdc_priv *priv,
cpu_relax();
}
-static int lcdc_chan_is_sublcd(struct sh_mobile_lcdc_chan *chan)
+/* -----------------------------------------------------------------------------
+ * Clock management
+ */
+
+static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv)
+{
+ if (atomic_inc_and_test(&priv->hw_usecnt)) {
+ if (priv->dot_clk)
+ clk_enable(priv->dot_clk);
+ pm_runtime_get_sync(priv->dev);
+ if (priv->meram_dev && priv->meram_dev->pdev)
+ pm_runtime_get_sync(&priv->meram_dev->pdev->dev);
+ }
+}
+
+static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv)
{
- return chan->cfg.chan == LCDC_CHAN_SUBLCD;
+ if (atomic_sub_return(1, &priv->hw_usecnt) == -1) {
+ if (priv->meram_dev && priv->meram_dev->pdev)
+ pm_runtime_put_sync(&priv->meram_dev->pdev->dev);
+ pm_runtime_put(priv->dev);
+ if (priv->dot_clk)
+ clk_disable(priv->dot_clk);
+ }
}
+static int sh_mobile_lcdc_setup_clocks(struct sh_mobile_lcdc_priv *priv,
+ int clock_source)
+{
+ struct clk *clk;
+ char *str;
+
+ switch (clock_source) {
+ case LCDC_CLK_BUS:
+ str = "bus_clk";
+ priv->lddckr = LDDCKR_ICKSEL_BUS;
+ break;
+ case LCDC_CLK_PERIPHERAL:
+ str = "peripheral_clk";
+ priv->lddckr = LDDCKR_ICKSEL_MIPI;
+ break;
+ case LCDC_CLK_EXTERNAL:
+ str = NULL;
+ priv->lddckr = LDDCKR_ICKSEL_HDMI;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (str == NULL)
+ return 0;
+
+ clk = clk_get(priv->dev, str);
+ if (IS_ERR(clk)) {
+ dev_err(priv->dev, "cannot get dot clock %s\n", str);
+ return PTR_ERR(clk);
+ }
+
+ priv->dot_clk = clk;
+ return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * Display, panel and deferred I/O
+ */
+
static void lcdc_sys_write_index(void *handle, unsigned long data)
{
struct sh_mobile_lcdc_chan *ch = handle;
@@ -216,74 +269,11 @@ struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = {
lcdc_sys_read_data,
};
-static int sh_mobile_format_fourcc(const struct fb_var_screeninfo *var)
-{
- if (var->grayscale > 1)
- return var->grayscale;
-
- switch (var->bits_per_pixel) {
- case 16:
- return V4L2_PIX_FMT_RGB565;
- case 24:
- return V4L2_PIX_FMT_BGR24;
- case 32:
- return V4L2_PIX_FMT_BGR32;
- default:
- return 0;
- }
-}
-
-static int sh_mobile_format_is_fourcc(const struct fb_var_screeninfo *var)
-{
- return var->grayscale > 1;
-}
-
-static bool sh_mobile_format_is_yuv(const struct fb_var_screeninfo *var)
-{
- if (var->grayscale <= 1)
- return false;
-
- switch (var->grayscale) {
- case V4L2_PIX_FMT_NV12:
- case V4L2_PIX_FMT_NV21:
- case V4L2_PIX_FMT_NV16:
- case V4L2_PIX_FMT_NV61:
- case V4L2_PIX_FMT_NV24:
- case V4L2_PIX_FMT_NV42:
- return true;
-
- default:
- return false;
- }
-}
-
-static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv)
-{
- if (atomic_inc_and_test(&priv->hw_usecnt)) {
- if (priv->dot_clk)
- clk_enable(priv->dot_clk);
- pm_runtime_get_sync(priv->dev);
- if (priv->meram_dev && priv->meram_dev->pdev)
- pm_runtime_get_sync(&priv->meram_dev->pdev->dev);
- }
-}
-
-static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv)
-{
- if (atomic_sub_return(1, &priv->hw_usecnt) == -1) {
- if (priv->meram_dev && priv->meram_dev->pdev)
- pm_runtime_put_sync(&priv->meram_dev->pdev->dev);
- pm_runtime_put(priv->dev);
- if (priv->dot_clk)
- clk_disable(priv->dot_clk);
- }
-}
-
static int sh_mobile_lcdc_sginit(struct fb_info *info,
struct list_head *pagelist)
{
struct sh_mobile_lcdc_chan *ch = info->par;
- unsigned int nr_pages_max = info->fix.smem_len >> PAGE_SHIFT;
+ unsigned int nr_pages_max = ch->fb_size >> PAGE_SHIFT;
struct page *page;
int nr_pages = 0;
@@ -299,7 +289,7 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info,
struct list_head *pagelist)
{
struct sh_mobile_lcdc_chan *ch = info->par;
- struct sh_mobile_lcdc_board_cfg *bcfg = &ch->cfg.board_cfg;
+ const struct sh_mobile_lcdc_panel_cfg *panel = &ch->cfg->panel_cfg;
/* enable clocks before accessing hardware */
sh_mobile_lcdc_clk_on(ch->lcdc);
@@ -323,16 +313,15 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info,
unsigned int nr_pages = sh_mobile_lcdc_sginit(info, pagelist);
/* trigger panel update */
- dma_map_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE);
- if (bcfg->start_transfer)
- bcfg->start_transfer(bcfg->board_data, ch,
- &sh_mobile_lcdc_sys_bus_ops);
+ dma_map_sg(ch->lcdc->dev, ch->sglist, nr_pages, DMA_TO_DEVICE);
+ if (panel->start_transfer)
+ panel->start_transfer(ch, &sh_mobile_lcdc_sys_bus_ops);
lcdc_write_chan(ch, LDSM2R, LDSM2R_OSTRG);
- dma_unmap_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE);
+ dma_unmap_sg(ch->lcdc->dev, ch->sglist, nr_pages,
+ DMA_TO_DEVICE);
} else {
- if (bcfg->start_transfer)
- bcfg->start_transfer(bcfg->board_data, ch,
- &sh_mobile_lcdc_sys_bus_ops);
+ if (panel->start_transfer)
+ panel->start_transfer(ch, &sh_mobile_lcdc_sys_bus_ops);
lcdc_write_chan(ch, LDSM2R, LDSM2R_OSTRG);
}
}
@@ -345,6 +334,217 @@ static void sh_mobile_lcdc_deferred_io_touch(struct fb_info *info)
schedule_delayed_work(&info->deferred_work, fbdefio->delay);
}
+static void sh_mobile_lcdc_display_on(struct sh_mobile_lcdc_chan *ch)
+{
+ const struct sh_mobile_lcdc_panel_cfg *panel = &ch->cfg->panel_cfg;
+
+ if (ch->tx_dev) {
+ int ret;
+
+ ret = ch->tx_dev->ops->display_on(ch->tx_dev);
+ if (ret < 0)
+ return;
+
+ if (ret == SH_MOBILE_LCDC_DISPLAY_DISCONNECTED)
+ ch->info->state = FBINFO_STATE_SUSPENDED;
+ }
+
+ /* HDMI must be enabled before LCDC configuration */
+ if (panel->display_on)
+ panel->display_on();
+}
+
+static void sh_mobile_lcdc_display_off(struct sh_mobile_lcdc_chan *ch)
+{
+ const struct sh_mobile_lcdc_panel_cfg *panel = &ch->cfg->panel_cfg;
+
+ if (panel->display_off)
+ panel->display_off();
+
+ if (ch->tx_dev)
+ ch->tx_dev->ops->display_off(ch->tx_dev);
+}
+
+static bool
+sh_mobile_lcdc_must_reconfigure(struct sh_mobile_lcdc_chan *ch,
+ const struct fb_videomode *new_mode)
+{
+ dev_dbg(ch->info->dev, "Old %ux%u, new %ux%u\n",
+ ch->display.mode.xres, ch->display.mode.yres,
+ new_mode->xres, new_mode->yres);
+
+ /* It can be a different monitor with an equal video-mode */
+ if (fb_mode_is_equal(&ch->display.mode, new_mode))
+ return false;
+
+ dev_dbg(ch->info->dev, "Switching %u -> %u lines\n",
+ ch->display.mode.yres, new_mode->yres);
+ ch->display.mode = *new_mode;
+
+ return true;
+}
+
+static int sh_mobile_check_var(struct fb_var_screeninfo *var,
+ struct fb_info *info);
+
+static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch,
+ enum sh_mobile_lcdc_entity_event event,
+ const struct fb_videomode *mode,
+ const struct fb_monspecs *monspec)
+{
+ struct fb_info *info = ch->info;
+ struct fb_var_screeninfo var;
+ int ret = 0;
+
+ switch (event) {
+ case SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT:
+ /* HDMI plug in */
+ if (lock_fb_info(info)) {
+ console_lock();
+
+ ch->display.width = monspec->max_x * 10;
+ ch->display.height = monspec->max_y * 10;
+
+ if (!sh_mobile_lcdc_must_reconfigure(ch, mode) &&
+ info->state == FBINFO_STATE_RUNNING) {
+ /* First activation with the default monitor.
+ * Just turn on, if we run a resume here, the
+ * logo disappears.
+ */
+ info->var.width = monspec->max_x * 10;
+ info->var.height = monspec->max_y * 10;
+ sh_mobile_lcdc_display_on(ch);
+ } else {
+ /* New monitor or have to wake up */
+ fb_set_suspend(info, 0);
+ }
+
+ console_unlock();
+ unlock_fb_info(info);
+ }
+ break;
+
+ case SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT:
+ /* HDMI disconnect */
+ if (lock_fb_info(info)) {
+ console_lock();
+ fb_set_suspend(info, 1);
+ console_unlock();
+ unlock_fb_info(info);
+ }
+ break;
+
+ case SH_MOBILE_LCDC_EVENT_DISPLAY_MODE:
+ /* Validate a proposed new mode */
+ fb_videomode_to_var(&var, mode);
+ var.bits_per_pixel = info->var.bits_per_pixel;
+ var.grayscale = info->var.grayscale;
+ ret = sh_mobile_check_var(&var, info);
+ break;
+ }
+
+ return ret;
+}
+
+/* -----------------------------------------------------------------------------
+ * Format helpers
+ */
+
+struct sh_mobile_lcdc_format_info {
+ u32 fourcc;
+ unsigned int bpp;
+ bool yuv;
+ u32 lddfr;
+};
+
+static const struct sh_mobile_lcdc_format_info sh_mobile_format_infos[] = {
+ {
+ .fourcc = V4L2_PIX_FMT_RGB565,
+ .bpp = 16,
+ .yuv = false,
+ .lddfr = LDDFR_PKF_RGB16,
+ }, {
+ .fourcc = V4L2_PIX_FMT_BGR24,
+ .bpp = 24,
+ .yuv = false,
+ .lddfr = LDDFR_PKF_RGB24,
+ }, {
+ .fourcc = V4L2_PIX_FMT_BGR32,
+ .bpp = 32,
+ .yuv = false,
+ .lddfr = LDDFR_PKF_ARGB32,
+ }, {
+ .fourcc = V4L2_PIX_FMT_NV12,
+ .bpp = 12,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_420,
+ }, {
+ .fourcc = V4L2_PIX_FMT_NV21,
+ .bpp = 12,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_420,
+ }, {
+ .fourcc = V4L2_PIX_FMT_NV16,
+ .bpp = 16,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_422,
+ }, {
+ .fourcc = V4L2_PIX_FMT_NV61,
+ .bpp = 16,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_422,
+ }, {
+ .fourcc = V4L2_PIX_FMT_NV24,
+ .bpp = 24,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_444,
+ }, {
+ .fourcc = V4L2_PIX_FMT_NV42,
+ .bpp = 24,
+ .yuv = true,
+ .lddfr = LDDFR_CC | LDDFR_YF_444,
+ },
+};
+
+static const struct sh_mobile_lcdc_format_info *
+sh_mobile_format_info(u32 fourcc)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(sh_mobile_format_infos); ++i) {
+ if (sh_mobile_format_infos[i].fourcc == fourcc)
+ return &sh_mobile_format_infos[i];
+ }
+
+ return NULL;
+}
+
+static int sh_mobile_format_fourcc(const struct fb_var_screeninfo *var)
+{
+ if (var->grayscale > 1)
+ return var->grayscale;
+
+ switch (var->bits_per_pixel) {
+ case 16:
+ return V4L2_PIX_FMT_RGB565;
+ case 24:
+ return V4L2_PIX_FMT_BGR24;
+ case 32:
+ return V4L2_PIX_FMT_BGR32;
+ default:
+ return 0;
+ }
+}
+
+static int sh_mobile_format_is_fourcc(const struct fb_var_screeninfo *var)
+{
+ return var->grayscale > 1;
+}
+
+/* -----------------------------------------------------------------------------
+ * Start, stop and IRQ
+ */
+
static irqreturn_t sh_mobile_lcdc_irq(int irq, void *data)
{
struct sh_mobile_lcdc_priv *priv = data;
@@ -385,6 +585,26 @@ static irqreturn_t sh_mobile_lcdc_irq(int irq, void *data)
return IRQ_HANDLED;
}
+static int sh_mobile_wait_for_vsync(struct sh_mobile_lcdc_chan *ch)
+{
+ unsigned long ldintr;
+ int ret;
+
+ /* Enable VSync End interrupt and be careful not to acknowledge any
+ * pending interrupt.
+ */
+ ldintr = lcdc_read(ch->lcdc, _LDINTR);
+ ldintr |= LDINTR_VEE | LDINTR_STATUS_MASK;
+ lcdc_write(ch->lcdc, _LDINTR, ldintr);
+
+ ret = wait_for_completion_interruptible_timeout(&ch->vsync_completion,
+ msecs_to_jiffies(100));
+ if (!ret)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
static void sh_mobile_lcdc_start_stop(struct sh_mobile_lcdc_priv *priv,
int start)
{
@@ -416,53 +636,52 @@ static void sh_mobile_lcdc_start_stop(struct sh_mobile_lcdc_priv *priv,
static void sh_mobile_lcdc_geometry(struct sh_mobile_lcdc_chan *ch)
{
- struct fb_var_screeninfo *var = &ch->info->var, *display_var = &ch->display_var;
+ const struct fb_var_screeninfo *var = &ch->info->var;
+ const struct fb_videomode *mode = &ch->display.mode;
unsigned long h_total, hsync_pos, display_h_total;
u32 tmp;
tmp = ch->ldmt1r_value;
tmp |= (var->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : LDMT1R_VPOL;
tmp |= (var->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : LDMT1R_HPOL;
- tmp |= (ch->cfg.flags & LCDC_FLAGS_DWPOL) ? LDMT1R_DWPOL : 0;
- tmp |= (ch->cfg.flags & LCDC_FLAGS_DIPOL) ? LDMT1R_DIPOL : 0;
- tmp |= (ch->cfg.flags & LCDC_FLAGS_DAPOL) ? LDMT1R_DAPOL : 0;
- tmp |= (ch->cfg.flags & LCDC_FLAGS_HSCNT) ? LDMT1R_HSCNT : 0;
- tmp |= (ch->cfg.flags & LCDC_FLAGS_DWCNT) ? LDMT1R_DWCNT : 0;
+ tmp |= (ch->cfg->flags & LCDC_FLAGS_DWPOL) ? LDMT1R_DWPOL : 0;
+ tmp |= (ch->cfg->flags & LCDC_FLAGS_DIPOL) ? LDMT1R_DIPOL : 0;
+ tmp |= (ch->cfg->flags & LCDC_FLAGS_DAPOL) ? LDMT1R_DAPOL : 0;
+ tmp |= (ch->cfg->flags & LCDC_FLAGS_HSCNT) ? LDMT1R_HSCNT : 0;
+ tmp |= (ch->cfg->flags & LCDC_FLAGS_DWCNT) ? LDMT1R_DWCNT : 0;
lcdc_write_chan(ch, LDMT1R, tmp);
/* setup SYS bus */
- lcdc_write_chan(ch, LDMT2R, ch->cfg.sys_bus_cfg.ldmt2r);
- lcdc_write_chan(ch, LDMT3R, ch->cfg.sys_bus_cfg.ldmt3r);
+ lcdc_write_chan(ch, LDMT2R, ch->cfg->sys_bus_cfg.ldmt2r);
+ lcdc_write_chan(ch, LDMT3R, ch->cfg->sys_bus_cfg.ldmt3r);
/* horizontal configuration */
- h_total = display_var->xres + display_var->hsync_len +
- display_var->left_margin + display_var->right_margin;
+ h_total = mode->xres + mode->hsync_len + mode->left_margin
+ + mode->right_margin;
tmp = h_total / 8; /* HTCN */
- tmp |= (min(display_var->xres, var->xres) / 8) << 16; /* HDCN */
+ tmp |= (min(mode->xres, ch->xres) / 8) << 16; /* HDCN */
lcdc_write_chan(ch, LDHCNR, tmp);
- hsync_pos = display_var->xres + display_var->right_margin;
+ hsync_pos = mode->xres + mode->right_margin;
tmp = hsync_pos / 8; /* HSYNP */
- tmp |= (display_var->hsync_len / 8) << 16; /* HSYNW */
+ tmp |= (mode->hsync_len / 8) << 16; /* HSYNW */
lcdc_write_chan(ch, LDHSYNR, tmp);
/* vertical configuration */
- tmp = display_var->yres + display_var->vsync_len +
- display_var->upper_margin + display_var->lower_margin; /* VTLN */
- tmp |= min(display_var->yres, var->yres) << 16; /* VDLN */
+ tmp = mode->yres + mode->vsync_len + mode->upper_margin
+ + mode->lower_margin; /* VTLN */
+ tmp |= min(mode->yres, ch->yres) << 16; /* VDLN */
lcdc_write_chan(ch, LDVLNR, tmp);
- tmp = display_var->yres + display_var->lower_margin; /* VSYNP */
- tmp |= display_var->vsync_len << 16; /* VSYNW */
+ tmp = mode->yres + mode->lower_margin; /* VSYNP */
+ tmp |= mode->vsync_len << 16; /* VSYNW */
lcdc_write_chan(ch, LDVSYNR, tmp);
/* Adjust horizontal synchronisation for HDMI */
- display_h_total = display_var->xres + display_var->hsync_len +
- display_var->left_margin + display_var->right_margin;
- tmp = ((display_var->xres & 7) << 24) |
- ((display_h_total & 7) << 16) |
- ((display_var->hsync_len & 7) << 8) |
- (hsync_pos & 7);
+ display_h_total = mode->xres + mode->hsync_len + mode->left_margin
+ + mode->right_margin;
+ tmp = ((mode->xres & 7) << 24) | ((display_h_total & 7) << 16)
+ | ((mode->hsync_len & 7) << 8) | (hsync_pos & 7);
lcdc_write_chan(ch, LDHAJR, tmp);
}
@@ -498,7 +717,7 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
/* Power supply */
lcdc_write_chan(ch, LDPMR, 0);
- m = ch->cfg.clock_divider;
+ m = ch->cfg->clock_divider;
if (!m)
continue;
@@ -525,32 +744,10 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
sh_mobile_lcdc_geometry(ch);
- switch (sh_mobile_format_fourcc(&ch->info->var)) {
- case V4L2_PIX_FMT_RGB565:
- tmp = LDDFR_PKF_RGB16;
- break;
- case V4L2_PIX_FMT_BGR24:
- tmp = LDDFR_PKF_RGB24;
- break;
- case V4L2_PIX_FMT_BGR32:
- tmp = LDDFR_PKF_ARGB32;
- break;
- case V4L2_PIX_FMT_NV12:
- case V4L2_PIX_FMT_NV21:
- tmp = LDDFR_CC | LDDFR_YF_420;
- break;
- case V4L2_PIX_FMT_NV16:
- case V4L2_PIX_FMT_NV61:
- tmp = LDDFR_CC | LDDFR_YF_422;
- break;
- case V4L2_PIX_FMT_NV24:
- case V4L2_PIX_FMT_NV42:
- tmp = LDDFR_CC | LDDFR_YF_444;
- break;
- }
+ tmp = ch->format->lddfr;
- if (sh_mobile_format_is_yuv(&ch->info->var)) {
- switch (ch->info->var.colorspace) {
+ if (ch->format->yuv) {
+ switch (ch->colorspace) {
case V4L2_COLORSPACE_REC709:
tmp |= LDDFR_CF1;
break;
@@ -563,7 +760,7 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
lcdc_write_chan(ch, LDDFR, tmp);
lcdc_write_chan(ch, LDMLSR, ch->pitch);
lcdc_write_chan(ch, LDSA1R, ch->base_addr_y);
- if (sh_mobile_format_is_yuv(&ch->info->var))
+ if (ch->format->yuv)
lcdc_write_chan(ch, LDSA2R, ch->base_addr_c);
/* When using deferred I/O mode, configure the LCDC for one-shot
@@ -571,7 +768,7 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
* continuous read mode.
*/
if (ch->ldmt1r_value & LDMT1R_IFM &&
- ch->cfg.sys_bus_cfg.deferred_io_msec) {
+ ch->cfg->sys_bus_cfg.deferred_io_msec) {
lcdc_write_chan(ch, LDSM1R, LDSM1R_OS);
lcdc_write(priv, _LDINTR, LDINTR_FE);
} else {
@@ -580,7 +777,7 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
}
/* Word and long word swap. */
- switch (sh_mobile_format_fourcc(&priv->ch[0].info->var)) {
+ switch (priv->ch[0].format->fourcc) {
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV61:
@@ -609,7 +806,6 @@ static void __sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
{
struct sh_mobile_meram_info *mdev = priv->meram_dev;
- struct sh_mobile_lcdc_board_cfg *board_cfg;
struct sh_mobile_lcdc_chan *ch;
unsigned long tmp;
int ret;
@@ -626,15 +822,15 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
lcdc_wait_bit(priv, _LDCNT2R, LDCNT2R_BR, 0);
for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
- ch = &priv->ch[k];
+ const struct sh_mobile_lcdc_panel_cfg *panel;
+ ch = &priv->ch[k];
if (!ch->enabled)
continue;
- board_cfg = &ch->cfg.board_cfg;
- if (board_cfg->setup_sys) {
- ret = board_cfg->setup_sys(board_cfg->board_data, ch,
- &sh_mobile_lcdc_sys_bus_ops);
+ panel = &ch->cfg->panel_cfg;
+ if (panel->setup_sys) {
+ ret = panel->setup_sys(ch, &sh_mobile_lcdc_sys_bus_ops);
if (ret)
return ret;
}
@@ -642,33 +838,30 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
/* Compute frame buffer base address and pitch for each channel. */
for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
- struct sh_mobile_meram_cfg *cfg;
int pixelformat;
+ void *meram;
ch = &priv->ch[k];
if (!ch->enabled)
continue;
- ch->base_addr_y = ch->info->fix.smem_start;
- ch->base_addr_c = ch->base_addr_y
- + ch->info->var.xres
- * ch->info->var.yres_virtual;
- ch->pitch = ch->info->fix.line_length;
+ ch->base_addr_y = ch->dma_handle;
+ ch->base_addr_c = ch->base_addr_y + ch->xres * ch->yres_virtual;
/* Enable MERAM if possible. */
- cfg = ch->cfg.meram_cfg;
- if (mdev == NULL || mdev->ops == NULL || cfg == NULL)
+ if (mdev == NULL || mdev->ops == NULL ||
+ ch->cfg->meram_cfg == NULL)
continue;
/* we need to de-init configured ICBs before we can
* re-initialize them.
*/
- if (ch->meram_enabled) {
- mdev->ops->meram_unregister(mdev, cfg);
- ch->meram_enabled = 0;
+ if (ch->meram) {
+ mdev->ops->meram_unregister(mdev, ch->meram);
+ ch->meram = NULL;
}
- switch (sh_mobile_format_fourcc(&ch->info->var)) {
+ switch (ch->format->fourcc) {
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV16:
@@ -687,13 +880,15 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
break;
}
- ret = mdev->ops->meram_register(mdev, cfg, ch->pitch,
- ch->info->var.yres, pixelformat,
- ch->base_addr_y, ch->base_addr_c,
- &ch->base_addr_y, &ch->base_addr_c,
+ meram = mdev->ops->meram_register(mdev, ch->cfg->meram_cfg,
+ ch->pitch, ch->yres, pixelformat,
&ch->pitch);
- if (!ret)
- ch->meram_enabled = 1;
+ if (!IS_ERR(meram)) {
+ mdev->ops->meram_update(mdev, meram,
+ ch->base_addr_y, ch->base_addr_c,
+ &ch->base_addr_y, &ch->base_addr_c);
+ ch->meram = meram;
+ }
}
/* Start the LCDC. */
@@ -707,7 +902,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
if (!ch->enabled)
continue;
- tmp = ch->cfg.sys_bus_cfg.deferred_io_msec;
+ tmp = ch->cfg->sys_bus_cfg.deferred_io_msec;
if (ch->ldmt1r_value & LDMT1R_IFM && tmp) {
ch->defio.deferred_io = sh_mobile_lcdc_deferred_io;
ch->defio.delay = msecs_to_jiffies(tmp);
@@ -715,11 +910,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
fb_deferred_io_init(ch->info);
}
- board_cfg = &ch->cfg.board_cfg;
- if (board_cfg->display_on && try_module_get(board_cfg->owner)) {
- board_cfg->display_on(board_cfg->board_data, ch->info);
- module_put(board_cfg->owner);
- }
+ sh_mobile_lcdc_display_on(ch);
if (ch->bl) {
ch->bl->props.power = FB_BLANK_UNBLANK;
@@ -733,7 +924,6 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
{
struct sh_mobile_lcdc_chan *ch;
- struct sh_mobile_lcdc_board_cfg *board_cfg;
int k;
/* clean up deferred io and ask board code to disable panel */
@@ -760,20 +950,14 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
backlight_update_status(ch->bl);
}
- board_cfg = &ch->cfg.board_cfg;
- if (board_cfg->display_off && try_module_get(board_cfg->owner)) {
- board_cfg->display_off(board_cfg->board_data);
- module_put(board_cfg->owner);
- }
+ sh_mobile_lcdc_display_off(ch);
/* disable the meram */
- if (ch->meram_enabled) {
- struct sh_mobile_meram_cfg *cfg;
+ if (ch->meram) {
struct sh_mobile_meram_info *mdev;
- cfg = ch->cfg.meram_cfg;
mdev = priv->meram_dev;
- mdev->ops->meram_unregister(mdev, cfg);
- ch->meram_enabled = 0;
+ mdev->ops->meram_unregister(mdev, ch->meram);
+ ch->meram = 0;
}
}
@@ -790,86 +974,9 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
sh_mobile_lcdc_clk_off(priv);
}
-static int sh_mobile_lcdc_check_interface(struct sh_mobile_lcdc_chan *ch)
-{
- int interface_type = ch->cfg.interface_type;
-
- switch (interface_type) {
- case RGB8:
- case RGB9:
- case RGB12A:
- case RGB12B:
- case RGB16:
- case RGB18:
- case RGB24:
- case SYS8A:
- case SYS8B:
- case SYS8C:
- case SYS8D:
- case SYS9:
- case SYS12:
- case SYS16A:
- case SYS16B:
- case SYS16C:
- case SYS18:
- case SYS24:
- break;
- default:
- return -EINVAL;
- }
-
- /* SUBLCD only supports SYS interface */
- if (lcdc_chan_is_sublcd(ch)) {
- if (!(interface_type & LDMT1R_IFM))
- return -EINVAL;
-
- interface_type &= ~LDMT1R_IFM;
- }
-
- ch->ldmt1r_value = interface_type;
- return 0;
-}
-
-static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev,
- int clock_source,
- struct sh_mobile_lcdc_priv *priv)
-{
- char *str;
-
- switch (clock_source) {
- case LCDC_CLK_BUS:
- str = "bus_clk";
- priv->lddckr = LDDCKR_ICKSEL_BUS;
- break;
- case LCDC_CLK_PERIPHERAL:
- str = "peripheral_clk";
- priv->lddckr = LDDCKR_ICKSEL_MIPI;
- break;
- case LCDC_CLK_EXTERNAL:
- str = NULL;
- priv->lddckr = LDDCKR_ICKSEL_HDMI;
- break;
- default:
- return -EINVAL;
- }
-
- if (str) {
- priv->dot_clk = clk_get(&pdev->dev, str);
- if (IS_ERR(priv->dot_clk)) {
- dev_err(&pdev->dev, "cannot get dot clock %s\n", str);
- return PTR_ERR(priv->dot_clk);
- }
- }
-
- /* Runtime PM support involves two step for this driver:
- * 1) Enable Runtime PM
- * 2) Force Runtime PM Resume since hardware is accessed from probe()
- */
- priv->dev = &pdev->dev;
- pm_runtime_enable(priv->dev);
- pm_runtime_resume(priv->dev);
- return 0;
-}
+/* -----------------------------------------------------------------------------
+ * Frame buffer operations
+ */
static int sh_mobile_lcdc_setcolreg(u_int regno,
u_int red, u_int green, u_int blue,
@@ -936,14 +1043,12 @@ static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var,
unsigned long new_pan_offset;
unsigned long base_addr_y, base_addr_c;
unsigned long c_offset;
- bool yuv = sh_mobile_format_is_yuv(&info->var);
- if (!yuv)
- new_pan_offset = var->yoffset * info->fix.line_length
- + var->xoffset * (info->var.bits_per_pixel / 8);
+ if (!ch->format->yuv)
+ new_pan_offset = var->yoffset * ch->pitch
+ + var->xoffset * (ch->format->bpp / 8);
else
- new_pan_offset = var->yoffset * info->fix.line_length
- + var->xoffset;
+ new_pan_offset = var->yoffset * ch->pitch + var->xoffset;
if (new_pan_offset == ch->pan_offset)
return 0; /* No change, do nothing */
@@ -952,39 +1057,33 @@ static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var,
/* Set the source address for the next refresh */
base_addr_y = ch->dma_handle + new_pan_offset;
- if (yuv) {
+ if (ch->format->yuv) {
/* Set y offset */
- c_offset = var->yoffset * info->fix.line_length
- * (info->var.bits_per_pixel - 8) / 8;
- base_addr_c = ch->dma_handle
- + info->var.xres * info->var.yres_virtual
+ c_offset = var->yoffset * ch->pitch
+ * (ch->format->bpp - 8) / 8;
+ base_addr_c = ch->dma_handle + ch->xres * ch->yres_virtual
+ c_offset;
/* Set x offset */
- if (sh_mobile_format_fourcc(&info->var) == V4L2_PIX_FMT_NV24)
+ if (ch->format->fourcc == V4L2_PIX_FMT_NV24)
base_addr_c += 2 * var->xoffset;
else
base_addr_c += var->xoffset;
}
- if (ch->meram_enabled) {
- struct sh_mobile_meram_cfg *cfg;
+ if (ch->meram) {
struct sh_mobile_meram_info *mdev;
- int ret;
- cfg = ch->cfg.meram_cfg;
mdev = priv->meram_dev;
- ret = mdev->ops->meram_update(mdev, cfg,
+ mdev->ops->meram_update(mdev, ch->meram,
base_addr_y, base_addr_c,
&base_addr_y, &base_addr_c);
- if (ret)
- return ret;
}
ch->base_addr_y = base_addr_y;
ch->base_addr_c = base_addr_c;
lcdc_write_chan_mirror(ch, LDSA1R, base_addr_y);
- if (yuv)
+ if (ch->format->yuv)
lcdc_write_chan_mirror(ch, LDSA2R, base_addr_c);
if (lcdc_chan_is_sublcd(ch))
@@ -999,27 +1098,6 @@ static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var,
return 0;
}
-static int sh_mobile_wait_for_vsync(struct fb_info *info)
-{
- struct sh_mobile_lcdc_chan *ch = info->par;
- unsigned long ldintr;
- int ret;
-
- /* Enable VSync End interrupt and be careful not to acknowledge any
- * pending interrupt.
- */
- ldintr = lcdc_read(ch->lcdc, _LDINTR);
- ldintr |= LDINTR_VEE | LDINTR_STATUS_MASK;
- lcdc_write(ch->lcdc, _LDINTR, ldintr);
-
- ret = wait_for_completion_interruptible_timeout(&ch->vsync_completion,
- msecs_to_jiffies(100));
- if (!ret)
- return -ETIMEDOUT;
-
- return 0;
-}
-
static int sh_mobile_ioctl(struct fb_info *info, unsigned int cmd,
unsigned long arg)
{
@@ -1027,7 +1105,7 @@ static int sh_mobile_ioctl(struct fb_info *info, unsigned int cmd,
switch (cmd) {
case FBIO_WAITFORVSYNC:
- retval = sh_mobile_wait_for_vsync(info);
+ retval = sh_mobile_wait_for_vsync(info->par);
break;
default:
@@ -1040,7 +1118,8 @@ static int sh_mobile_ioctl(struct fb_info *info, unsigned int cmd,
static void sh_mobile_fb_reconfig(struct fb_info *info)
{
struct sh_mobile_lcdc_chan *ch = info->par;
- struct fb_videomode mode1, mode2;
+ struct fb_var_screeninfo var;
+ struct fb_videomode mode;
struct fb_event event;
int evnt = FB_EVENT_MODE_CHANGE_ALL;
@@ -1048,14 +1127,19 @@ static void sh_mobile_fb_reconfig(struct fb_info *info)
/* More framebuffer users are active */
return;
- fb_var_to_videomode(&mode1, &ch->display_var);
- fb_var_to_videomode(&mode2, &info->var);
+ fb_var_to_videomode(&mode, &info->var);
- if (fb_mode_is_equal(&mode1, &mode2))
+ if (fb_mode_is_equal(&ch->display.mode, &mode))
return;
/* Display has been re-plugged, framebuffer is free now, reconfigure */
- if (fb_set_var(info, &ch->display_var) < 0)
+ var = info->var;
+ fb_videomode_to_var(&var, &ch->display.mode);
+ var.width = ch->display.width;
+ var.height = ch->display.height;
+ var.activate = FB_ACTIVATE_NOW;
+
+ if (fb_set_var(info, &var) < 0)
/* Couldn't reconfigure, hopefully, can continue as before */
return;
@@ -1065,7 +1149,7 @@ static void sh_mobile_fb_reconfig(struct fb_info *info)
* user event, we have to call the chain ourselves.
*/
event.info = info;
- event.data = &mode1;
+ event.data = &ch->display.mode;
fb_notifier_call_chain(evnt, &event);
}
@@ -1124,8 +1208,8 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
* distance between two modes is defined as the size of the
* non-overlapping parts of the two rectangles.
*/
- for (i = 0; i < ch->cfg.num_cfg; ++i) {
- const struct fb_videomode *mode = &ch->cfg.lcd_cfg[i];
+ for (i = 0; i < ch->cfg->num_modes; ++i) {
+ const struct fb_videomode *mode = &ch->cfg->lcd_modes[i];
unsigned int dist;
/* We can only round up. */
@@ -1144,7 +1228,7 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
}
/* If no available mode can be used, return an error. */
- if (ch->cfg.num_cfg != 0) {
+ if (ch->cfg->num_modes != 0) {
if (best_dist == (unsigned int)-1)
return -EINVAL;
@@ -1161,32 +1245,17 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
var->yres_virtual = var->yres;
if (sh_mobile_format_is_fourcc(var)) {
- switch (var->grayscale) {
- case V4L2_PIX_FMT_NV12:
- case V4L2_PIX_FMT_NV21:
- var->bits_per_pixel = 12;
- break;
- case V4L2_PIX_FMT_RGB565:
- case V4L2_PIX_FMT_NV16:
- case V4L2_PIX_FMT_NV61:
- var->bits_per_pixel = 16;
- break;
- case V4L2_PIX_FMT_BGR24:
- case V4L2_PIX_FMT_NV24:
- case V4L2_PIX_FMT_NV42:
- var->bits_per_pixel = 24;
- break;
- case V4L2_PIX_FMT_BGR32:
- var->bits_per_pixel = 32;
- break;
- default:
+ const struct sh_mobile_lcdc_format_info *format;
+
+ format = sh_mobile_format_info(var->grayscale);
+ if (format == NULL)
return -EINVAL;
- }
+ var->bits_per_pixel = format->bpp;
/* Default to RGB and JPEG color-spaces for RGB and YUV formats
* respectively.
*/
- if (!sh_mobile_format_is_yuv(var))
+ if (!format->yuv)
var->colorspace = V4L2_COLORSPACE_SRGB;
else if (var->colorspace != V4L2_COLORSPACE_REC709)
var->colorspace = V4L2_COLORSPACE_JPEG;
@@ -1246,22 +1315,28 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
static int sh_mobile_set_par(struct fb_info *info)
{
struct sh_mobile_lcdc_chan *ch = info->par;
- u32 line_length = info->fix.line_length;
int ret;
sh_mobile_lcdc_stop(ch->lcdc);
- if (sh_mobile_format_is_yuv(&info->var))
- info->fix.line_length = info->var.xres;
+ ch->format = sh_mobile_format_info(sh_mobile_format_fourcc(&info->var));
+ ch->colorspace = info->var.colorspace;
+
+ ch->xres = info->var.xres;
+ ch->xres_virtual = info->var.xres_virtual;
+ ch->yres = info->var.yres;
+ ch->yres_virtual = info->var.yres_virtual;
+
+ if (ch->format->yuv)
+ ch->pitch = info->var.xres;
else
- info->fix.line_length = info->var.xres
- * info->var.bits_per_pixel / 8;
+ ch->pitch = info->var.xres * ch->format->bpp / 8;
ret = sh_mobile_lcdc_start(ch->lcdc);
- if (ret < 0) {
+ if (ret < 0)
dev_err(info->dev, "%s: unable to restart LCDC\n", __func__);
- info->fix.line_length = line_length;
- }
+
+ info->fix.line_length = ch->pitch;
if (sh_mobile_format_is_fourcc(&info->var)) {
info->fix.type = FB_TYPE_FOURCC;
@@ -1290,8 +1365,8 @@ static int sh_mobile_lcdc_blank(int blank, struct fb_info *info)
/* blank the screen? */
if (blank > FB_BLANK_UNBLANK && ch->blank_status == FB_BLANK_UNBLANK) {
struct fb_fillrect rect = {
- .width = info->var.xres,
- .height = info->var.yres,
+ .width = ch->xres,
+ .height = ch->yres,
};
sh_mobile_lcdc_fillrect(info, &rect);
}
@@ -1307,8 +1382,8 @@ static int sh_mobile_lcdc_blank(int blank, struct fb_info *info)
* mode will reenable the clocks and update the screen in time,
* so it does not need this. */
if (!info->fbdefio) {
- sh_mobile_wait_for_vsync(info);
- sh_mobile_wait_for_vsync(info);
+ sh_mobile_wait_for_vsync(ch);
+ sh_mobile_wait_for_vsync(ch);
}
sh_mobile_lcdc_clk_off(p);
}
@@ -1334,25 +1409,161 @@ static struct fb_ops sh_mobile_lcdc_ops = {
.fb_set_par = sh_mobile_set_par,
};
+static void
+sh_mobile_lcdc_channel_fb_unregister(struct sh_mobile_lcdc_chan *ch)
+{
+ if (ch->info && ch->info->dev)
+ unregister_framebuffer(ch->info);
+}
+
+static int __devinit
+sh_mobile_lcdc_channel_fb_register(struct sh_mobile_lcdc_chan *ch)
+{
+ struct fb_info *info = ch->info;
+ int ret;
+
+ if (info->fbdefio) {
+ ch->sglist = vmalloc(sizeof(struct scatterlist) *
+ ch->fb_size >> PAGE_SHIFT);
+ if (!ch->sglist) {
+ dev_err(ch->lcdc->dev, "cannot allocate sglist\n");
+ return -ENOMEM;
+ }
+ }
+
+ info->bl_dev = ch->bl;
+
+ ret = register_framebuffer(info);
+ if (ret < 0)
+ return ret;
+
+ dev_info(ch->lcdc->dev, "registered %s/%s as %dx%d %dbpp.\n",
+ dev_name(ch->lcdc->dev), (ch->cfg->chan == LCDC_CHAN_MAINLCD) ?
+ "mainlcd" : "sublcd", info->var.xres, info->var.yres,
+ info->var.bits_per_pixel);
+
+ /* deferred io mode: disable clock to save power */
+ if (info->fbdefio || info->state == FBINFO_STATE_SUSPENDED)
+ sh_mobile_lcdc_clk_off(ch->lcdc);
+
+ return ret;
+}
+
+static void
+sh_mobile_lcdc_channel_fb_cleanup(struct sh_mobile_lcdc_chan *ch)
+{
+ struct fb_info *info = ch->info;
+
+ if (!info || !info->device)
+ return;
+
+ if (ch->sglist)
+ vfree(ch->sglist);
+
+ fb_dealloc_cmap(&info->cmap);
+ framebuffer_release(info);
+}
+
+static int __devinit
+sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch,
+ const struct fb_videomode *mode,
+ unsigned int num_modes)
+{
+ struct sh_mobile_lcdc_priv *priv = ch->lcdc;
+ struct fb_var_screeninfo *var;
+ struct fb_info *info;
+ int ret;
+
+ /* Allocate and initialize the frame buffer device. Create the modes
+ * list and allocate the color map.
+ */
+ info = framebuffer_alloc(0, priv->dev);
+ if (info == NULL) {
+ dev_err(priv->dev, "unable to allocate fb_info\n");
+ return -ENOMEM;
+ }
+
+ ch->info = info;
+
+ info->flags = FBINFO_FLAG_DEFAULT;
+ info->fbops = &sh_mobile_lcdc_ops;
+ info->device = priv->dev;
+ info->screen_base = ch->fb_mem;
+ info->pseudo_palette = &ch->pseudo_palette;
+ info->par = ch;
+
+ fb_videomode_to_modelist(mode, num_modes, &info->modelist);
+
+ ret = fb_alloc_cmap(&info->cmap, PALETTE_NR, 0);
+ if (ret < 0) {
+ dev_err(priv->dev, "unable to allocate cmap\n");
+ return ret;
+ }
+
+ /* Initialize fixed screen information. Restrict pan to 2 lines steps
+ * for NV12 and NV21.
+ */
+ info->fix = sh_mobile_lcdc_fix;
+ info->fix.smem_start = ch->dma_handle;
+ info->fix.smem_len = ch->fb_size;
+ info->fix.line_length = ch->pitch;
+
+ if (ch->format->yuv)
+ info->fix.visual = FB_VISUAL_FOURCC;
+ else
+ info->fix.visual = FB_VISUAL_TRUECOLOR;
+
+ if (ch->format->fourcc == V4L2_PIX_FMT_NV12 ||
+ ch->format->fourcc == V4L2_PIX_FMT_NV21)
+ info->fix.ypanstep = 2;
+
+ /* Initialize variable screen information using the first mode as
+ * default. The default Y virtual resolution is twice the panel size to
+ * allow for double-buffering.
+ */
+ var = &info->var;
+ fb_videomode_to_var(var, mode);
+ var->width = ch->cfg->panel_cfg.width;
+ var->height = ch->cfg->panel_cfg.height;
+ var->yres_virtual = var->yres * 2;
+ var->activate = FB_ACTIVATE_NOW;
+
+ /* Use the legacy API by default for RGB formats, and the FOURCC API
+ * for YUV formats.
+ */
+ if (!ch->format->yuv)
+ var->bits_per_pixel = ch->format->bpp;
+ else
+ var->grayscale = ch->format->fourcc;
+
+ ret = sh_mobile_check_var(var, info);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * Backlight
+ */
+
static int sh_mobile_lcdc_update_bl(struct backlight_device *bdev)
{
struct sh_mobile_lcdc_chan *ch = bl_get_data(bdev);
- struct sh_mobile_lcdc_board_cfg *cfg = &ch->cfg.board_cfg;
int brightness = bdev->props.brightness;
if (bdev->props.power != FB_BLANK_UNBLANK ||
bdev->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
brightness = 0;
- return cfg->set_brightness(cfg->board_data, brightness);
+ return ch->cfg->bl_info.set_brightness(brightness);
}
static int sh_mobile_lcdc_get_brightness(struct backlight_device *bdev)
{
struct sh_mobile_lcdc_chan *ch = bl_get_data(bdev);
- struct sh_mobile_lcdc_board_cfg *cfg = &ch->cfg.board_cfg;
- return cfg->get_brightness(cfg->board_data);
+ return ch->cfg->bl_info.get_brightness();
}
static int sh_mobile_lcdc_check_fb(struct backlight_device *bdev,
@@ -1373,7 +1584,7 @@ static struct backlight_device *sh_mobile_lcdc_bl_probe(struct device *parent,
{
struct backlight_device *bl;
- bl = backlight_device_register(ch->cfg.bl_info.name, parent, ch,
+ bl = backlight_device_register(ch->cfg->bl_info.name, parent, ch,
&sh_mobile_lcdc_bl_ops, NULL);
if (IS_ERR(bl)) {
dev_err(parent, "unable to register backlight device: %ld\n",
@@ -1381,7 +1592,7 @@ static struct backlight_device *sh_mobile_lcdc_bl_probe(struct device *parent,
return NULL;
}
- bl->props.max_brightness = ch->cfg.bl_info.max_brightness;
+ bl->props.max_brightness = ch->cfg->bl_info.max_brightness;
bl->props.brightness = bl->props.max_brightness;
backlight_update_status(bl);
@@ -1393,6 +1604,10 @@ static void sh_mobile_lcdc_bl_remove(struct backlight_device *bdev)
backlight_device_unregister(bdev);
}
+/* -----------------------------------------------------------------------------
+ * Power management
+ */
+
static int sh_mobile_lcdc_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@@ -1436,6 +1651,10 @@ static const struct dev_pm_ops sh_mobile_lcdc_dev_pm_ops = {
.runtime_resume = sh_mobile_lcdc_runtime_resume,
};
+/* -----------------------------------------------------------------------------
+ * Framebuffer notifier
+ */
+
/* locking: called with info->lock held */
static int sh_mobile_lcdc_notify(struct notifier_block *nb,
unsigned long action, void *data)
@@ -1443,7 +1662,6 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb,
struct fb_event *event = data;
struct fb_info *info = event->info;
struct sh_mobile_lcdc_chan *ch = info->par;
- struct sh_mobile_lcdc_board_cfg *board_cfg = &ch->cfg.board_cfg;
if (&ch->lcdc->notifier != nb)
return NOTIFY_DONE;
@@ -1453,10 +1671,7 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb,
switch(action) {
case FB_EVENT_SUSPEND:
- if (board_cfg->display_off && try_module_get(board_cfg->owner)) {
- board_cfg->display_off(board_cfg->board_data);
- module_put(board_cfg->owner);
- }
+ sh_mobile_lcdc_display_off(ch);
sh_mobile_lcdc_stop(ch->lcdc);
break;
case FB_EVENT_RESUME:
@@ -1464,47 +1679,60 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb,
sh_mobile_fb_reconfig(info);
mutex_unlock(&ch->open_lock);
- /* HDMI must be enabled before LCDC configuration */
- if (board_cfg->display_on && try_module_get(board_cfg->owner)) {
- board_cfg->display_on(board_cfg->board_data, info);
- module_put(board_cfg->owner);
- }
-
+ sh_mobile_lcdc_display_on(ch);
sh_mobile_lcdc_start(ch->lcdc);
}
return NOTIFY_OK;
}
+/* -----------------------------------------------------------------------------
+ * Probe/remove and driver init/exit
+ */
+
+static const struct fb_videomode default_720p __devinitconst = {
+ .name = "HDMI 720p",
+ .xres = 1280,
+ .yres = 720,
+
+ .left_margin = 220,
+ .right_margin = 110,
+ .hsync_len = 40,
+
+ .upper_margin = 20,
+ .lower_margin = 5,
+ .vsync_len = 5,
+
+ .pixclock = 13468,
+ .refresh = 60,
+ .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
+};
+
static int sh_mobile_lcdc_remove(struct platform_device *pdev)
{
struct sh_mobile_lcdc_priv *priv = platform_get_drvdata(pdev);
- struct fb_info *info;
int i;
fb_unregister_client(&priv->notifier);
for (i = 0; i < ARRAY_SIZE(priv->ch); i++)
- if (priv->ch[i].info && priv->ch[i].info->dev)
- unregister_framebuffer(priv->ch[i].info);
+ sh_mobile_lcdc_channel_fb_unregister(&priv->ch[i]);
sh_mobile_lcdc_stop(priv);
for (i = 0; i < ARRAY_SIZE(priv->ch); i++) {
- info = priv->ch[i].info;
+ struct sh_mobile_lcdc_chan *ch = &priv->ch[i];
- if (!info || !info->device)
- continue;
+ if (ch->tx_dev) {
+ ch->tx_dev->lcdc = NULL;
+ module_put(ch->cfg->tx_dev->dev.driver->owner);
+ }
- if (priv->ch[i].sglist)
- vfree(priv->ch[i].sglist);
+ sh_mobile_lcdc_channel_fb_cleanup(ch);
- if (info->screen_base)
- dma_free_coherent(&pdev->dev, info->fix.smem_len,
- info->screen_base,
- priv->ch[i].dma_handle);
- fb_dealloc_cmap(&info->cmap);
- framebuffer_release(info);
+ if (ch->fb_mem)
+ dma_free_coherent(&pdev->dev, ch->fb_size,
+ ch->fb_mem, ch->dma_handle);
}
for (i = 0; i < ARRAY_SIZE(priv->ch); i++) {
@@ -1512,11 +1740,10 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
sh_mobile_lcdc_bl_remove(priv->ch[i].bl);
}
- if (priv->dot_clk)
+ if (priv->dot_clk) {
+ pm_runtime_disable(&pdev->dev);
clk_put(priv->dot_clk);
-
- if (priv->dev)
- pm_runtime_disable(priv->dev);
+ }
if (priv->base)
iounmap(priv->base);
@@ -1527,49 +1754,82 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
return 0;
}
-static int __devinit sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_chan *ch,
- struct device *dev)
+static int __devinit sh_mobile_lcdc_check_interface(struct sh_mobile_lcdc_chan *ch)
{
- struct sh_mobile_lcdc_chan_cfg *cfg = &ch->cfg;
+ int interface_type = ch->cfg->interface_type;
+
+ switch (interface_type) {
+ case RGB8:
+ case RGB9:
+ case RGB12A:
+ case RGB12B:
+ case RGB16:
+ case RGB18:
+ case RGB24:
+ case SYS8A:
+ case SYS8B:
+ case SYS8C:
+ case SYS8D:
+ case SYS9:
+ case SYS12:
+ case SYS16A:
+ case SYS16B:
+ case SYS16C:
+ case SYS18:
+ case SYS24:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* SUBLCD only supports SYS interface */
+ if (lcdc_chan_is_sublcd(ch)) {
+ if (!(interface_type & LDMT1R_IFM))
+ return -EINVAL;
+
+ interface_type &= ~LDMT1R_IFM;
+ }
+
+ ch->ldmt1r_value = interface_type;
+ return 0;
+}
+
+static int __devinit
+sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv,
+ struct sh_mobile_lcdc_chan *ch)
+{
+ const struct sh_mobile_lcdc_format_info *format;
+ const struct sh_mobile_lcdc_chan_cfg *cfg = ch->cfg;
const struct fb_videomode *max_mode;
const struct fb_videomode *mode;
- struct fb_var_screeninfo *var;
- struct fb_info *info;
+ unsigned int num_modes;
unsigned int max_size;
- int num_cfg;
- void *buf;
- int ret;
- int i;
+ unsigned int i;
mutex_init(&ch->open_lock);
+ ch->notify = sh_mobile_lcdc_display_notify;
- /* Allocate the frame buffer device. */
- ch->info = framebuffer_alloc(0, dev);
- if (!ch->info) {
- dev_err(dev, "unable to allocate fb_info\n");
- return -ENOMEM;
+ /* Validate the format. */
+ format = sh_mobile_format_info(cfg->fourcc);
+ if (format == NULL) {
+ dev_err(priv->dev, "Invalid FOURCC %08x.\n", cfg->fourcc);
+ return -EINVAL;
}
- info = ch->info;
- info->fbops = &sh_mobile_lcdc_ops;
- info->par = ch;
- info->pseudo_palette = &ch->pseudo_palette;
- info->flags = FBINFO_FLAG_DEFAULT;
-
/* Iterate through the modes to validate them and find the highest
* resolution.
*/
max_mode = NULL;
max_size = 0;
- for (i = 0, mode = cfg->lcd_cfg; i < cfg->num_cfg; i++, mode++) {
+ for (i = 0, mode = cfg->lcd_modes; i < cfg->num_modes; i++, mode++) {
unsigned int size = mode->yres * mode->xres;
/* NV12/NV21 buffers must have even number of lines */
if ((cfg->fourcc == V4L2_PIX_FMT_NV12 ||
cfg->fourcc == V4L2_PIX_FMT_NV21) && (mode->yres & 0x1)) {
- dev_err(dev, "yres must be multiple of 2 for YCbCr420 "
- "mode.\n");
+ dev_err(priv->dev, "yres must be multiple of 2 for "
+ "YCbCr420 mode.\n");
return -EINVAL;
}
@@ -1582,93 +1842,59 @@ static int __devinit sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_chan *ch,
if (!max_size)
max_size = MAX_XRES * MAX_YRES;
else
- dev_dbg(dev, "Found largest videomode %ux%u\n",
+ dev_dbg(priv->dev, "Found largest videomode %ux%u\n",
max_mode->xres, max_mode->yres);
- /* Create the mode list. */
- if (cfg->lcd_cfg == NULL) {
+ if (cfg->lcd_modes == NULL) {
mode = &default_720p;
- num_cfg = 1;
+ num_modes = 1;
} else {
- mode = cfg->lcd_cfg;
- num_cfg = cfg->num_cfg;
+ mode = cfg->lcd_modes;
+ num_modes = cfg->num_modes;
}
- fb_videomode_to_modelist(mode, num_cfg, &info->modelist);
+ /* Use the first mode as default. */
+ ch->format = format;
+ ch->xres = mode->xres;
+ ch->xres_virtual = mode->xres;
+ ch->yres = mode->yres;
+ ch->yres_virtual = mode->yres * 2;
- /* Initialize variable screen information using the first mode as
- * default. The default Y virtual resolution is twice the panel size to
- * allow for double-buffering.
- */
- var = &info->var;
- fb_videomode_to_var(var, mode);
- var->width = cfg->lcd_size_cfg.width;
- var->height = cfg->lcd_size_cfg.height;
- var->yres_virtual = var->yres * 2;
- var->activate = FB_ACTIVATE_NOW;
-
- switch (cfg->fourcc) {
- case V4L2_PIX_FMT_RGB565:
- var->bits_per_pixel = 16;
- break;
- case V4L2_PIX_FMT_BGR24:
- var->bits_per_pixel = 24;
- break;
- case V4L2_PIX_FMT_BGR32:
- var->bits_per_pixel = 32;
- break;
- default:
- var->grayscale = cfg->fourcc;
- break;
+ if (!format->yuv) {
+ ch->colorspace = V4L2_COLORSPACE_SRGB;
+ ch->pitch = ch->xres * format->bpp / 8;
+ } else {
+ ch->colorspace = V4L2_COLORSPACE_REC709;
+ ch->pitch = ch->xres;
}
- /* Make sure the memory size check won't fail. smem_len is initialized
- * later based on var.
- */
- info->fix.smem_len = UINT_MAX;
- ret = sh_mobile_check_var(var, info);
- if (ret)
- return ret;
-
- max_size = max_size * var->bits_per_pixel / 8 * 2;
+ ch->display.width = cfg->panel_cfg.width;
+ ch->display.height = cfg->panel_cfg.height;
+ ch->display.mode = *mode;
- /* Allocate frame buffer memory and color map. */
- buf = dma_alloc_coherent(dev, max_size, &ch->dma_handle, GFP_KERNEL);
- if (!buf) {
- dev_err(dev, "unable to allocate buffer\n");
+ /* Allocate frame buffer memory. */
+ ch->fb_size = max_size * format->bpp / 8 * 2;
+ ch->fb_mem = dma_alloc_coherent(priv->dev, ch->fb_size, &ch->dma_handle,
+ GFP_KERNEL);
+ if (ch->fb_mem == NULL) {
+ dev_err(priv->dev, "unable to allocate buffer\n");
return -ENOMEM;
}
- ret = fb_alloc_cmap(&info->cmap, PALETTE_NR, 0);
- if (ret < 0) {
- dev_err(dev, "unable to allocate cmap\n");
- dma_free_coherent(dev, max_size, buf, ch->dma_handle);
- return ret;
- }
-
- /* Initialize fixed screen information. Restrict pan to 2 lines steps
- * for NV12 and NV21.
- */
- info->fix = sh_mobile_lcdc_fix;
- info->fix.smem_start = ch->dma_handle;
- info->fix.smem_len = max_size;
- if (cfg->fourcc == V4L2_PIX_FMT_NV12 ||
- cfg->fourcc == V4L2_PIX_FMT_NV21)
- info->fix.ypanstep = 2;
-
- if (sh_mobile_format_is_yuv(var)) {
- info->fix.line_length = var->xres;
- info->fix.visual = FB_VISUAL_FOURCC;
- } else {
- info->fix.line_length = var->xres * var->bits_per_pixel / 8;
- info->fix.visual = FB_VISUAL_TRUECOLOR;
+ /* Initialize the transmitter device if present. */
+ if (cfg->tx_dev) {
+ if (!cfg->tx_dev->dev.driver ||
+ !try_module_get(cfg->tx_dev->dev.driver->owner)) {
+ dev_warn(priv->dev,
+ "unable to get transmitter device\n");
+ return -EINVAL;
+ }
+ ch->tx_dev = platform_get_drvdata(cfg->tx_dev);
+ ch->tx_dev->lcdc = ch;
+ ch->tx_dev->def_mode = *mode;
}
- info->screen_base = buf;
- info->device = dev;
- ch->display_var = *var;
-
- return 0;
+ return sh_mobile_lcdc_channel_fb_init(ch, mode, num_modes);
}
static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
@@ -1698,6 +1924,8 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
return -ENOMEM;
}
+ priv->dev = &pdev->dev;
+ priv->meram_dev = pdata->meram_dev;
platform_set_drvdata(pdev, priv);
error = request_irq(i, sh_mobile_lcdc_irq, 0,
@@ -1714,7 +1942,7 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
struct sh_mobile_lcdc_chan *ch = priv->ch + num_channels;
ch->lcdc = priv;
- memcpy(&ch->cfg, &pdata->ch[i], sizeof(pdata->ch[i]));
+ ch->cfg = &pdata->ch[i];
error = sh_mobile_lcdc_check_interface(ch);
if (error) {
@@ -1726,7 +1954,7 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
ch->pan_offset = 0;
/* probe the backlight is there is one defined */
- if (ch->cfg.bl_info.max_brightness)
+ if (ch->cfg->bl_info.max_brightness)
ch->bl = sh_mobile_lcdc_bl_probe(&pdev->dev, ch);
switch (pdata->ch[i].chan) {
@@ -1757,18 +1985,19 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
if (!priv->base)
goto err1;
- error = sh_mobile_lcdc_setup_clocks(pdev, pdata->clock_source, priv);
+ error = sh_mobile_lcdc_setup_clocks(priv, pdata->clock_source);
if (error) {
dev_err(&pdev->dev, "unable to setup clocks\n");
goto err1;
}
- priv->meram_dev = pdata->meram_dev;
+ /* Enable runtime PM. */
+ pm_runtime_enable(&pdev->dev);
for (i = 0; i < num_channels; i++) {
struct sh_mobile_lcdc_chan *ch = priv->ch + i;
- error = sh_mobile_lcdc_channel_init(ch, &pdev->dev);
+ error = sh_mobile_lcdc_channel_init(priv, ch);
if (error)
goto err1;
}
@@ -1781,31 +2010,10 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
for (i = 0; i < num_channels; i++) {
struct sh_mobile_lcdc_chan *ch = priv->ch + i;
- struct fb_info *info = ch->info;
-
- if (info->fbdefio) {
- ch->sglist = vmalloc(sizeof(struct scatterlist) *
- info->fix.smem_len >> PAGE_SHIFT);
- if (!ch->sglist) {
- dev_err(&pdev->dev, "cannot allocate sglist\n");
- goto err1;
- }
- }
-
- info->bl_dev = ch->bl;
- error = register_framebuffer(info);
- if (error < 0)
+ error = sh_mobile_lcdc_channel_fb_register(ch);
+ if (error)
goto err1;
-
- dev_info(info->dev, "registered %s/%s as %dx%d %dbpp.\n",
- pdev->name, (ch->cfg.chan == LCDC_CHAN_MAINLCD) ?
- "mainlcd" : "sublcd", info->var.xres, info->var.yres,
- info->var.bits_per_pixel);
-
- /* deferred io mode: disable clock to save power */
- if (info->fbdefio || info->state == FBINFO_STATE_SUSPENDED)
- sh_mobile_lcdc_clk_off(priv);
}
/* Failure ignored */
diff --git a/drivers/video/sh_mobile_lcdcfb.h b/drivers/video/sh_mobile_lcdcfb.h
index a58a0f38848..da1c26e78a5 100644
--- a/drivers/video/sh_mobile_lcdcfb.h
+++ b/drivers/video/sh_mobile_lcdcfb.h
@@ -14,9 +14,35 @@ enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
#define PALETTE_NR 16
-struct sh_mobile_lcdc_priv;
-struct fb_info;
struct backlight_device;
+struct fb_info;
+struct module;
+struct sh_mobile_lcdc_chan;
+struct sh_mobile_lcdc_entity;
+struct sh_mobile_lcdc_format_info;
+struct sh_mobile_lcdc_priv;
+
+#define SH_MOBILE_LCDC_DISPLAY_DISCONNECTED 0
+#define SH_MOBILE_LCDC_DISPLAY_CONNECTED 1
+
+struct sh_mobile_lcdc_entity_ops {
+ /* Display */
+ int (*display_on)(struct sh_mobile_lcdc_entity *entity);
+ void (*display_off)(struct sh_mobile_lcdc_entity *entity);
+};
+
+enum sh_mobile_lcdc_entity_event {
+ SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT,
+ SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT,
+ SH_MOBILE_LCDC_EVENT_DISPLAY_MODE,
+};
+
+struct sh_mobile_lcdc_entity {
+ struct module *owner;
+ const struct sh_mobile_lcdc_entity_ops *ops;
+ struct sh_mobile_lcdc_chan *lcdc;
+ struct fb_videomode def_mode;
+};
/*
* struct sh_mobile_lcdc_chan - LCDC display channel
@@ -27,29 +53,57 @@ struct backlight_device;
*/
struct sh_mobile_lcdc_chan {
struct sh_mobile_lcdc_priv *lcdc;
+ struct sh_mobile_lcdc_entity *tx_dev;
+ const struct sh_mobile_lcdc_chan_cfg *cfg;
+
unsigned long *reg_offs;
unsigned long ldmt1r_value;
unsigned long enabled; /* ME and SE in LDCNT2R */
- struct sh_mobile_lcdc_chan_cfg cfg;
- u32 pseudo_palette[PALETTE_NR];
- struct fb_info *info;
- struct backlight_device *bl;
+ void *meram;
+
+ struct mutex open_lock; /* protects the use counter */
+ int use_count;
+
+ void *fb_mem;
+ unsigned long fb_size;
+
dma_addr_t dma_handle;
- struct fb_deferred_io defio;
- struct scatterlist *sglist;
- unsigned long frame_end;
unsigned long pan_offset;
+
+ unsigned long frame_end;
wait_queue_head_t frame_end_wait;
struct completion vsync_completion;
- struct fb_var_screeninfo display_var;
- int use_count;
- int blank_status;
- struct mutex open_lock; /* protects the use counter */
- int meram_enabled;
+
+ const struct sh_mobile_lcdc_format_info *format;
+ u32 colorspace;
+ unsigned int xres;
+ unsigned int xres_virtual;
+ unsigned int yres;
+ unsigned int yres_virtual;
+ unsigned int pitch;
unsigned long base_addr_y;
unsigned long base_addr_c;
- unsigned int pitch;
+
+ int (*notify)(struct sh_mobile_lcdc_chan *ch,
+ enum sh_mobile_lcdc_entity_event event,
+ const struct fb_videomode *mode,
+ const struct fb_monspecs *monspec);
+
+ /* Backlight */
+ struct backlight_device *bl;
+
+ /* FB */
+ struct fb_info *info;
+ u32 pseudo_palette[PALETTE_NR];
+ struct {
+ unsigned int width;
+ unsigned int height;
+ struct fb_videomode mode;
+ } display;
+ struct fb_deferred_io defio;
+ struct scatterlist *sglist;
+ int blank_status;
};
#endif
diff --git a/drivers/video/sh_mobile_meram.c b/drivers/video/sh_mobile_meram.c
index f45d83ecfd2..82ba830bf95 100644
--- a/drivers/video/sh_mobile_meram.c
+++ b/drivers/video/sh_mobile_meram.c
@@ -9,16 +9,22 @@
* for more details.
*/
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/genalloc.h>
+#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
-#include <linux/io.h>
#include <linux/slab.h>
-#include <linux/platform_device.h>
+
#include <video/sh_mobile_meram.h>
-/* meram registers */
+/* -----------------------------------------------------------------------------
+ * MERAM registers
+ */
+
#define MEVCR1 0x4
#define MEVCR1_RST (1 << 31)
#define MEVCR1_WD (1 << 30)
@@ -81,16 +87,14 @@
((yszm1) << MExxBSIZE_YSZM1_SHIFT) | \
((xszm1) << MExxBSIZE_XSZM1_SHIFT))
-#define SH_MOBILE_MERAM_ICB_NUM 32
-
-static unsigned long common_regs[] = {
+static const unsigned long common_regs[] = {
MEVCR1,
MEQSEL1,
MEQSEL2,
};
-#define CMN_REGS_SIZE ARRAY_SIZE(common_regs)
+#define MERAM_REGS_SIZE ARRAY_SIZE(common_regs)
-static unsigned long icb_regs[] = {
+static const unsigned long icb_regs[] = {
MExxCTL,
MExxBSIZE,
MExxMNCF,
@@ -100,216 +104,269 @@ static unsigned long icb_regs[] = {
};
#define ICB_REGS_SIZE ARRAY_SIZE(icb_regs)
+/*
+ * sh_mobile_meram_icb - MERAM ICB information
+ * @regs: Registers cache
+ * @index: ICB index
+ * @offset: MERAM block offset
+ * @size: MERAM block size in KiB
+ * @cache_unit: Bytes to cache per ICB
+ * @pixelformat: Video pixel format of the data stored in the ICB
+ * @current_reg: Which of Start Address Register A (0) or B (1) is in use
+ */
+struct sh_mobile_meram_icb {
+ unsigned long regs[ICB_REGS_SIZE];
+ unsigned int index;
+ unsigned long offset;
+ unsigned int size;
+
+ unsigned int cache_unit;
+ unsigned int pixelformat;
+ unsigned int current_reg;
+};
+
+#define MERAM_ICB_NUM 32
+
+struct sh_mobile_meram_fb_plane {
+ struct sh_mobile_meram_icb *marker;
+ struct sh_mobile_meram_icb *cache;
+};
+
+struct sh_mobile_meram_fb_cache {
+ unsigned int nplanes;
+ struct sh_mobile_meram_fb_plane planes[2];
+};
+
+/*
+ * sh_mobile_meram_priv - MERAM device
+ * @base: Registers base address
+ * @meram: MERAM physical address
+ * @regs: Registers cache
+ * @lock: Protects used_icb and icbs
+ * @used_icb: Bitmask of used ICBs
+ * @icbs: ICBs
+ * @pool: Allocation pool to manage the MERAM
+ */
struct sh_mobile_meram_priv {
- void __iomem *base;
- struct mutex lock;
- unsigned long used_icb;
- int used_meram_cache_regions;
- unsigned long used_meram_cache[SH_MOBILE_MERAM_ICB_NUM];
- unsigned long cmn_saved_regs[CMN_REGS_SIZE];
- unsigned long icb_saved_regs[ICB_REGS_SIZE * SH_MOBILE_MERAM_ICB_NUM];
+ void __iomem *base;
+ unsigned long meram;
+ unsigned long regs[MERAM_REGS_SIZE];
+
+ struct mutex lock;
+ unsigned long used_icb;
+ struct sh_mobile_meram_icb icbs[MERAM_ICB_NUM];
+
+ struct gen_pool *pool;
};
/* settings */
-#define MERAM_SEC_LINE 15
-#define MERAM_LINE_WIDTH 2048
+#define MERAM_GRANULARITY 1024
+#define MERAM_SEC_LINE 15
+#define MERAM_LINE_WIDTH 2048
-/*
- * MERAM/ICB access functions
+/* -----------------------------------------------------------------------------
+ * Registers access
*/
#define MERAM_ICB_OFFSET(base, idx, off) ((base) + (off) + (idx) * 0x20)
-static inline void meram_write_icb(void __iomem *base, int idx, int off,
- unsigned long val)
+static inline void meram_write_icb(void __iomem *base, unsigned int idx,
+ unsigned int off, unsigned long val)
{
iowrite32(val, MERAM_ICB_OFFSET(base, idx, off));
}
-static inline unsigned long meram_read_icb(void __iomem *base, int idx, int off)
+static inline unsigned long meram_read_icb(void __iomem *base, unsigned int idx,
+ unsigned int off)
{
return ioread32(MERAM_ICB_OFFSET(base, idx, off));
}
-static inline void meram_write_reg(void __iomem *base, int off,
- unsigned long val)
+static inline void meram_write_reg(void __iomem *base, unsigned int off,
+ unsigned long val)
{
iowrite32(val, base + off);
}
-static inline unsigned long meram_read_reg(void __iomem *base, int off)
+static inline unsigned long meram_read_reg(void __iomem *base, unsigned int off)
{
return ioread32(base + off);
}
-/*
- * register ICB
- */
-
-#define MERAM_CACHE_START(p) ((p) >> 16)
-#define MERAM_CACHE_END(p) ((p) & 0xffff)
-#define MERAM_CACHE_SET(o, s) ((((o) & 0xffff) << 16) | \
- (((o) + (s) - 1) & 0xffff))
-
-/*
- * check if there's no overlaps in MERAM allocation.
+/* -----------------------------------------------------------------------------
+ * Allocation
*/
-static inline int meram_check_overlap(struct sh_mobile_meram_priv *priv,
- struct sh_mobile_meram_icb *new)
+/* Allocate ICBs and MERAM for a plane. */
+static int __meram_alloc(struct sh_mobile_meram_priv *priv,
+ struct sh_mobile_meram_fb_plane *plane,
+ size_t size)
{
- int i;
- int used_start, used_end, meram_start, meram_end;
+ unsigned long mem;
+ unsigned long idx;
- /* valid ICB? */
- if (new->marker_icb & ~0x1f || new->cache_icb & ~0x1f)
- return 1;
+ idx = find_first_zero_bit(&priv->used_icb, 28);
+ if (idx == 28)
+ return -ENOMEM;
+ plane->cache = &priv->icbs[idx];
- if (test_bit(new->marker_icb, &priv->used_icb) ||
- test_bit(new->cache_icb, &priv->used_icb))
- return 1;
+ idx = find_next_zero_bit(&priv->used_icb, 32, 28);
+ if (idx == 32)
+ return -ENOMEM;
+ plane->marker = &priv->icbs[idx];
- for (i = 0; i < priv->used_meram_cache_regions; i++) {
- used_start = MERAM_CACHE_START(priv->used_meram_cache[i]);
- used_end = MERAM_CACHE_END(priv->used_meram_cache[i]);
- meram_start = new->meram_offset;
- meram_end = new->meram_offset + new->meram_size;
+ mem = gen_pool_alloc(priv->pool, size * 1024);
+ if (mem == 0)
+ return -ENOMEM;
- if ((meram_start >= used_start && meram_start < used_end) ||
- (meram_end > used_start && meram_end < used_end))
- return 1;
- }
+ __set_bit(plane->marker->index, &priv->used_icb);
+ __set_bit(plane->cache->index, &priv->used_icb);
+
+ plane->marker->offset = mem - priv->meram;
+ plane->marker->size = size;
return 0;
}
-/*
- * mark the specified ICB as used
- */
+/* Free ICBs and MERAM for a plane. */
+static void __meram_free(struct sh_mobile_meram_priv *priv,
+ struct sh_mobile_meram_fb_plane *plane)
+{
+ gen_pool_free(priv->pool, priv->meram + plane->marker->offset,
+ plane->marker->size * 1024);
-static inline void meram_mark(struct sh_mobile_meram_priv *priv,
- struct sh_mobile_meram_icb *new)
+ __clear_bit(plane->marker->index, &priv->used_icb);
+ __clear_bit(plane->cache->index, &priv->used_icb);
+}
+
+/* Is this a YCbCr(NV12, NV16 or NV24) colorspace? */
+static int is_nvcolor(int cspace)
{
- int n;
+ if (cspace == SH_MOBILE_MERAM_PF_NV ||
+ cspace == SH_MOBILE_MERAM_PF_NV24)
+ return 1;
+ return 0;
+}
- if (new->marker_icb < 0 || new->cache_icb < 0)
- return;
+/* Allocate memory for the ICBs and mark them as used. */
+static struct sh_mobile_meram_fb_cache *
+meram_alloc(struct sh_mobile_meram_priv *priv,
+ const struct sh_mobile_meram_cfg *cfg,
+ int pixelformat)
+{
+ struct sh_mobile_meram_fb_cache *cache;
+ unsigned int nplanes = is_nvcolor(pixelformat) ? 2 : 1;
+ int ret;
- __set_bit(new->marker_icb, &priv->used_icb);
- __set_bit(new->cache_icb, &priv->used_icb);
+ if (cfg->icb[0].meram_size == 0)
+ return ERR_PTR(-EINVAL);
- n = priv->used_meram_cache_regions;
+ if (nplanes == 2 && cfg->icb[1].meram_size == 0)
+ return ERR_PTR(-EINVAL);
- priv->used_meram_cache[n] = MERAM_CACHE_SET(new->meram_offset,
- new->meram_size);
+ cache = kzalloc(sizeof(*cache), GFP_KERNEL);
+ if (cache == NULL)
+ return ERR_PTR(-ENOMEM);
- priv->used_meram_cache_regions++;
-}
+ cache->nplanes = nplanes;
-/*
- * unmark the specified ICB as used
- */
+ ret = __meram_alloc(priv, &cache->planes[0], cfg->icb[0].meram_size);
+ if (ret < 0)
+ goto error;
-static inline void meram_unmark(struct sh_mobile_meram_priv *priv,
- struct sh_mobile_meram_icb *icb)
-{
- int i;
- unsigned long pattern;
-
- if (icb->marker_icb < 0 || icb->cache_icb < 0)
- return;
-
- __clear_bit(icb->marker_icb, &priv->used_icb);
- __clear_bit(icb->cache_icb, &priv->used_icb);
-
- pattern = MERAM_CACHE_SET(icb->meram_offset, icb->meram_size);
- for (i = 0; i < priv->used_meram_cache_regions; i++) {
- if (priv->used_meram_cache[i] == pattern) {
- while (i < priv->used_meram_cache_regions - 1) {
- priv->used_meram_cache[i] =
- priv->used_meram_cache[i + 1] ;
- i++;
- }
- priv->used_meram_cache[i] = 0;
- priv->used_meram_cache_regions--;
- break;
- }
+ cache->planes[0].marker->current_reg = 1;
+ cache->planes[0].marker->pixelformat = pixelformat;
+
+ if (cache->nplanes == 1)
+ return cache;
+
+ ret = __meram_alloc(priv, &cache->planes[1], cfg->icb[1].meram_size);
+ if (ret < 0) {
+ __meram_free(priv, &cache->planes[0]);
+ goto error;
}
+
+ return cache;
+
+error:
+ kfree(cache);
+ return ERR_PTR(-ENOMEM);
}
-/*
- * is this a YCbCr(NV12, NV16 or NV24) colorspace
- */
-static inline int is_nvcolor(int cspace)
+/* Unmark the specified ICB as used. */
+static void meram_free(struct sh_mobile_meram_priv *priv,
+ struct sh_mobile_meram_fb_cache *cache)
{
- if (cspace == SH_MOBILE_MERAM_PF_NV ||
- cspace == SH_MOBILE_MERAM_PF_NV24)
- return 1;
- return 0;
+ __meram_free(priv, &cache->planes[0]);
+ if (cache->nplanes == 2)
+ __meram_free(priv, &cache->planes[1]);
+
+ kfree(cache);
}
-/*
- * set the next address to fetch
- */
-static inline void meram_set_next_addr(struct sh_mobile_meram_priv *priv,
- struct sh_mobile_meram_cfg *cfg,
- unsigned long base_addr_y,
- unsigned long base_addr_c)
+/* Set the next address to fetch. */
+static void meram_set_next_addr(struct sh_mobile_meram_priv *priv,
+ struct sh_mobile_meram_fb_cache *cache,
+ unsigned long base_addr_y,
+ unsigned long base_addr_c)
{
+ struct sh_mobile_meram_icb *icb = cache->planes[0].marker;
unsigned long target;
- target = (cfg->current_reg) ? MExxSARA : MExxSARB;
- cfg->current_reg ^= 1;
+ icb->current_reg ^= 1;
+ target = icb->current_reg ? MExxSARB : MExxSARA;
/* set the next address to fetch */
- meram_write_icb(priv->base, cfg->icb[0].cache_icb, target,
+ meram_write_icb(priv->base, cache->planes[0].cache->index, target,
base_addr_y);
- meram_write_icb(priv->base, cfg->icb[0].marker_icb, target,
- base_addr_y + cfg->icb[0].cache_unit);
-
- if (is_nvcolor(cfg->pixelformat)) {
- meram_write_icb(priv->base, cfg->icb[1].cache_icb, target,
- base_addr_c);
- meram_write_icb(priv->base, cfg->icb[1].marker_icb, target,
- base_addr_c + cfg->icb[1].cache_unit);
+ meram_write_icb(priv->base, cache->planes[0].marker->index, target,
+ base_addr_y + cache->planes[0].marker->cache_unit);
+
+ if (cache->nplanes == 2) {
+ meram_write_icb(priv->base, cache->planes[1].cache->index,
+ target, base_addr_c);
+ meram_write_icb(priv->base, cache->planes[1].marker->index,
+ target, base_addr_c +
+ cache->planes[1].marker->cache_unit);
}
}
-/*
- * get the next ICB address
- */
-static inline void meram_get_next_icb_addr(struct sh_mobile_meram_info *pdata,
- struct sh_mobile_meram_cfg *cfg,
- unsigned long *icb_addr_y,
- unsigned long *icb_addr_c)
+/* Get the next ICB address. */
+static void
+meram_get_next_icb_addr(struct sh_mobile_meram_info *pdata,
+ struct sh_mobile_meram_fb_cache *cache,
+ unsigned long *icb_addr_y, unsigned long *icb_addr_c)
{
+ struct sh_mobile_meram_icb *icb = cache->planes[0].marker;
unsigned long icb_offset;
if (pdata->addr_mode == SH_MOBILE_MERAM_MODE0)
- icb_offset = 0x80000000 | (cfg->current_reg << 29);
+ icb_offset = 0x80000000 | (icb->current_reg << 29);
else
- icb_offset = 0xc0000000 | (cfg->current_reg << 23);
+ icb_offset = 0xc0000000 | (icb->current_reg << 23);
- *icb_addr_y = icb_offset | (cfg->icb[0].marker_icb << 24);
- if (is_nvcolor(cfg->pixelformat))
- *icb_addr_c = icb_offset | (cfg->icb[1].marker_icb << 24);
+ *icb_addr_y = icb_offset | (cache->planes[0].marker->index << 24);
+ if (cache->nplanes == 2)
+ *icb_addr_c = icb_offset
+ | (cache->planes[1].marker->index << 24);
}
#define MERAM_CALC_BYTECOUNT(x, y) \
(((x) * (y) + (MERAM_LINE_WIDTH - 1)) & ~(MERAM_LINE_WIDTH - 1))
-/*
- * initialize MERAM
- */
-
+/* Initialize MERAM. */
static int meram_init(struct sh_mobile_meram_priv *priv,
- struct sh_mobile_meram_icb *icb,
- int xres, int yres, int *out_pitch)
+ struct sh_mobile_meram_fb_plane *plane,
+ unsigned int xres, unsigned int yres,
+ unsigned int *out_pitch)
{
+ struct sh_mobile_meram_icb *marker = plane->marker;
unsigned long total_byte_count = MERAM_CALC_BYTECOUNT(xres, yres);
unsigned long bnm;
- int lcdc_pitch, xpitch, line_cnt;
- int save_lines;
+ unsigned int lcdc_pitch;
+ unsigned int xpitch;
+ unsigned int line_cnt;
+ unsigned int save_lines;
/* adjust pitch to 1024, 2048, 4096 or 8192 */
lcdc_pitch = (xres - 1) | 1023;
@@ -322,13 +379,13 @@ static int meram_init(struct sh_mobile_meram_priv *priv,
lcdc_pitch = xpitch = MERAM_LINE_WIDTH;
line_cnt = total_byte_count >> 11;
*out_pitch = xres;
- save_lines = (icb->meram_size / 16 / MERAM_SEC_LINE);
+ save_lines = plane->marker->size / 16 / MERAM_SEC_LINE;
save_lines *= MERAM_SEC_LINE;
} else {
xpitch = xres;
line_cnt = yres;
*out_pitch = lcdc_pitch;
- save_lines = icb->meram_size / (lcdc_pitch >> 10) / 2;
+ save_lines = plane->marker->size / (lcdc_pitch >> 10) / 2;
save_lines &= 0xff;
}
bnm = (save_lines - 1) << 16;
@@ -336,19 +393,20 @@ static int meram_init(struct sh_mobile_meram_priv *priv,
/* TODO: we better to check if we have enough MERAM buffer size */
/* set up ICB */
- meram_write_icb(priv->base, icb->cache_icb, MExxBSIZE,
+ meram_write_icb(priv->base, plane->cache->index, MExxBSIZE,
MERAM_MExxBSIZE_VAL(0x0, line_cnt - 1, xpitch - 1));
- meram_write_icb(priv->base, icb->marker_icb, MExxBSIZE,
+ meram_write_icb(priv->base, plane->marker->index, MExxBSIZE,
MERAM_MExxBSIZE_VAL(0xf, line_cnt - 1, xpitch - 1));
- meram_write_icb(priv->base, icb->cache_icb, MExxMNCF, bnm);
- meram_write_icb(priv->base, icb->marker_icb, MExxMNCF, bnm);
+ meram_write_icb(priv->base, plane->cache->index, MExxMNCF, bnm);
+ meram_write_icb(priv->base, plane->marker->index, MExxMNCF, bnm);
- meram_write_icb(priv->base, icb->cache_icb, MExxSBSIZE, xpitch);
- meram_write_icb(priv->base, icb->marker_icb, MExxSBSIZE, xpitch);
+ meram_write_icb(priv->base, plane->cache->index, MExxSBSIZE, xpitch);
+ meram_write_icb(priv->base, plane->marker->index, MExxSBSIZE, xpitch);
/* save a cache unit size */
- icb->cache_unit = xres * save_lines;
+ plane->cache->cache_unit = xres * save_lines;
+ plane->marker->cache_unit = xres * save_lines;
/*
* Set MERAM for framebuffer
@@ -356,13 +414,13 @@ static int meram_init(struct sh_mobile_meram_priv *priv,
* we also chain the cache_icb and the marker_icb.
* we also split the allocated MERAM buffer between two ICBs.
*/
- meram_write_icb(priv->base, icb->cache_icb, MExxCTL,
- MERAM_MExxCTL_VAL(icb->marker_icb, icb->meram_offset) |
- MExxCTL_WD1 | MExxCTL_WD0 | MExxCTL_WS | MExxCTL_CM |
+ meram_write_icb(priv->base, plane->cache->index, MExxCTL,
+ MERAM_MExxCTL_VAL(plane->marker->index, marker->offset)
+ | MExxCTL_WD1 | MExxCTL_WD0 | MExxCTL_WS | MExxCTL_CM |
MExxCTL_MD_FB);
- meram_write_icb(priv->base, icb->marker_icb, MExxCTL,
- MERAM_MExxCTL_VAL(icb->cache_icb, icb->meram_offset +
- icb->meram_size / 2) |
+ meram_write_icb(priv->base, plane->marker->index, MExxCTL,
+ MERAM_MExxCTL_VAL(plane->cache->index, marker->offset +
+ plane->marker->size / 2) |
MExxCTL_WD1 | MExxCTL_WD0 | MExxCTL_WS | MExxCTL_CM |
MExxCTL_MD_FB);
@@ -370,239 +428,175 @@ static int meram_init(struct sh_mobile_meram_priv *priv,
}
static void meram_deinit(struct sh_mobile_meram_priv *priv,
- struct sh_mobile_meram_icb *icb)
+ struct sh_mobile_meram_fb_plane *plane)
{
/* disable ICB */
- meram_write_icb(priv->base, icb->cache_icb, MExxCTL,
+ meram_write_icb(priv->base, plane->cache->index, MExxCTL,
MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF);
- meram_write_icb(priv->base, icb->marker_icb, MExxCTL,
+ meram_write_icb(priv->base, plane->marker->index, MExxCTL,
MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF);
- icb->cache_unit = 0;
+
+ plane->cache->cache_unit = 0;
+ plane->marker->cache_unit = 0;
}
-/*
- * register the ICB
+/* -----------------------------------------------------------------------------
+ * Registration/unregistration
*/
-static int sh_mobile_meram_register(struct sh_mobile_meram_info *pdata,
- struct sh_mobile_meram_cfg *cfg,
- int xres, int yres, int pixelformat,
- unsigned long base_addr_y,
- unsigned long base_addr_c,
- unsigned long *icb_addr_y,
- unsigned long *icb_addr_c,
- int *pitch)
+static void *sh_mobile_meram_register(struct sh_mobile_meram_info *pdata,
+ const struct sh_mobile_meram_cfg *cfg,
+ unsigned int xres, unsigned int yres,
+ unsigned int pixelformat,
+ unsigned int *pitch)
{
- struct platform_device *pdev;
- struct sh_mobile_meram_priv *priv;
- int n, out_pitch;
- int error = 0;
-
- if (!pdata || !pdata->priv || !pdata->pdev || !cfg)
- return -EINVAL;
+ struct sh_mobile_meram_fb_cache *cache;
+ struct sh_mobile_meram_priv *priv = pdata->priv;
+ struct platform_device *pdev = pdata->pdev;
+ unsigned int out_pitch;
if (pixelformat != SH_MOBILE_MERAM_PF_NV &&
pixelformat != SH_MOBILE_MERAM_PF_NV24 &&
pixelformat != SH_MOBILE_MERAM_PF_RGB)
- return -EINVAL;
-
- priv = pdata->priv;
- pdev = pdata->pdev;
+ return ERR_PTR(-EINVAL);
- dev_dbg(&pdev->dev, "registering %dx%d (%s) (y=%08lx, c=%08lx)",
- xres, yres, (!pixelformat) ? "yuv" : "rgb",
- base_addr_y, base_addr_c);
+ dev_dbg(&pdev->dev, "registering %dx%d (%s)", xres, yres,
+ !pixelformat ? "yuv" : "rgb");
/* we can't handle wider than 8192px */
if (xres > 8192) {
dev_err(&pdev->dev, "width exceeding the limit (> 8192).");
- return -EINVAL;
- }
-
- /* do we have at least one ICB config? */
- if (cfg->icb[0].marker_icb < 0 || cfg->icb[0].cache_icb < 0) {
- dev_err(&pdev->dev, "at least one ICB is required.");
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
}
mutex_lock(&priv->lock);
- if (priv->used_meram_cache_regions + 2 > SH_MOBILE_MERAM_ICB_NUM) {
- dev_err(&pdev->dev, "no more ICB available.");
- error = -EINVAL;
- goto err;
- }
-
- /* make sure that there's no overlaps */
- if (meram_check_overlap(priv, &cfg->icb[0])) {
- dev_err(&pdev->dev, "conflicting config detected.");
- error = -EINVAL;
+ /* We now register the ICBs and allocate the MERAM regions. */
+ cache = meram_alloc(priv, cfg, pixelformat);
+ if (IS_ERR(cache)) {
+ dev_err(&pdev->dev, "MERAM allocation failed (%ld).",
+ PTR_ERR(cache));
goto err;
}
- n = 1;
-
- /* do the same if we have the second ICB set */
- if (cfg->icb[1].marker_icb >= 0 && cfg->icb[1].cache_icb >= 0) {
- if (meram_check_overlap(priv, &cfg->icb[1])) {
- dev_err(&pdev->dev, "conflicting config detected.");
- error = -EINVAL;
- goto err;
- }
- n = 2;
- }
-
- if (is_nvcolor(pixelformat) && n != 2) {
- dev_err(&pdev->dev, "requires two ICB sets for planar Y/C.");
- error = -EINVAL;
- goto err;
- }
-
- /* we now register the ICB */
- cfg->pixelformat = pixelformat;
- meram_mark(priv, &cfg->icb[0]);
- if (is_nvcolor(pixelformat))
- meram_mark(priv, &cfg->icb[1]);
/* initialize MERAM */
- meram_init(priv, &cfg->icb[0], xres, yres, &out_pitch);
+ meram_init(priv, &cache->planes[0], xres, yres, &out_pitch);
*pitch = out_pitch;
if (pixelformat == SH_MOBILE_MERAM_PF_NV)
- meram_init(priv, &cfg->icb[1], xres, (yres + 1) / 2,
+ meram_init(priv, &cache->planes[1], xres, (yres + 1) / 2,
&out_pitch);
else if (pixelformat == SH_MOBILE_MERAM_PF_NV24)
- meram_init(priv, &cfg->icb[1], 2 * xres, (yres + 1) / 2,
+ meram_init(priv, &cache->planes[1], 2 * xres, (yres + 1) / 2,
&out_pitch);
- cfg->current_reg = 1;
- meram_set_next_addr(priv, cfg, base_addr_y, base_addr_c);
- meram_get_next_icb_addr(pdata, cfg, icb_addr_y, icb_addr_c);
-
- dev_dbg(&pdev->dev, "registered - can access via y=%08lx, c=%08lx",
- *icb_addr_y, *icb_addr_c);
-
err:
mutex_unlock(&priv->lock);
- return error;
+ return cache;
}
-static int sh_mobile_meram_unregister(struct sh_mobile_meram_info *pdata,
- struct sh_mobile_meram_cfg *cfg)
+static void
+sh_mobile_meram_unregister(struct sh_mobile_meram_info *pdata, void *data)
{
- struct sh_mobile_meram_priv *priv;
-
- if (!pdata || !pdata->priv || !cfg)
- return -EINVAL;
-
- priv = pdata->priv;
+ struct sh_mobile_meram_fb_cache *cache = data;
+ struct sh_mobile_meram_priv *priv = pdata->priv;
mutex_lock(&priv->lock);
- /* deinit & unmark */
- if (is_nvcolor(cfg->pixelformat)) {
- meram_deinit(priv, &cfg->icb[1]);
- meram_unmark(priv, &cfg->icb[1]);
- }
- meram_deinit(priv, &cfg->icb[0]);
- meram_unmark(priv, &cfg->icb[0]);
+ /* deinit & free */
+ meram_deinit(priv, &cache->planes[0]);
+ if (cache->nplanes == 2)
+ meram_deinit(priv, &cache->planes[1]);
- mutex_unlock(&priv->lock);
+ meram_free(priv, cache);
- return 0;
+ mutex_unlock(&priv->lock);
}
-static int sh_mobile_meram_update(struct sh_mobile_meram_info *pdata,
- struct sh_mobile_meram_cfg *cfg,
- unsigned long base_addr_y,
- unsigned long base_addr_c,
- unsigned long *icb_addr_y,
- unsigned long *icb_addr_c)
+static void
+sh_mobile_meram_update(struct sh_mobile_meram_info *pdata, void *data,
+ unsigned long base_addr_y, unsigned long base_addr_c,
+ unsigned long *icb_addr_y, unsigned long *icb_addr_c)
{
- struct sh_mobile_meram_priv *priv;
-
- if (!pdata || !pdata->priv || !cfg)
- return -EINVAL;
-
- priv = pdata->priv;
+ struct sh_mobile_meram_fb_cache *cache = data;
+ struct sh_mobile_meram_priv *priv = pdata->priv;
mutex_lock(&priv->lock);
- meram_set_next_addr(priv, cfg, base_addr_y, base_addr_c);
- meram_get_next_icb_addr(pdata, cfg, icb_addr_y, icb_addr_c);
+ meram_set_next_addr(priv, cache, base_addr_y, base_addr_c);
+ meram_get_next_icb_addr(pdata, cache, icb_addr_y, icb_addr_c);
mutex_unlock(&priv->lock);
-
- return 0;
}
-static int sh_mobile_meram_runtime_suspend(struct device *dev)
+static struct sh_mobile_meram_ops sh_mobile_meram_ops = {
+ .module = THIS_MODULE,
+ .meram_register = sh_mobile_meram_register,
+ .meram_unregister = sh_mobile_meram_unregister,
+ .meram_update = sh_mobile_meram_update,
+};
+
+/* -----------------------------------------------------------------------------
+ * Power management
+ */
+
+static int sh_mobile_meram_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct sh_mobile_meram_priv *priv = platform_get_drvdata(pdev);
- int k, j;
+ unsigned int i, j;
- for (k = 0; k < CMN_REGS_SIZE; k++)
- priv->cmn_saved_regs[k] = meram_read_reg(priv->base,
- common_regs[k]);
+ for (i = 0; i < MERAM_REGS_SIZE; i++)
+ priv->regs[i] = meram_read_reg(priv->base, common_regs[i]);
- for (j = 0; j < 32; j++) {
- if (!test_bit(j, &priv->used_icb))
+ for (i = 0; i < 32; i++) {
+ if (!test_bit(i, &priv->used_icb))
continue;
- for (k = 0; k < ICB_REGS_SIZE; k++) {
- priv->icb_saved_regs[j * ICB_REGS_SIZE + k] =
- meram_read_icb(priv->base, j, icb_regs[k]);
+ for (j = 0; j < ICB_REGS_SIZE; j++) {
+ priv->icbs[i].regs[j] =
+ meram_read_icb(priv->base, i, icb_regs[j]);
/* Reset ICB on resume */
- if (icb_regs[k] == MExxCTL)
- priv->icb_saved_regs[j * ICB_REGS_SIZE + k] |=
+ if (icb_regs[j] == MExxCTL)
+ priv->icbs[i].regs[j] |=
MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF;
}
}
return 0;
}
-static int sh_mobile_meram_runtime_resume(struct device *dev)
+static int sh_mobile_meram_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct sh_mobile_meram_priv *priv = platform_get_drvdata(pdev);
- int k, j;
+ unsigned int i, j;
- for (j = 0; j < 32; j++) {
- if (!test_bit(j, &priv->used_icb))
+ for (i = 0; i < 32; i++) {
+ if (!test_bit(i, &priv->used_icb))
continue;
- for (k = 0; k < ICB_REGS_SIZE; k++) {
- meram_write_icb(priv->base, j, icb_regs[k],
- priv->icb_saved_regs[j * ICB_REGS_SIZE + k]);
- }
+ for (j = 0; j < ICB_REGS_SIZE; j++)
+ meram_write_icb(priv->base, i, icb_regs[j],
+ priv->icbs[i].regs[j]);
}
- for (k = 0; k < CMN_REGS_SIZE; k++)
- meram_write_reg(priv->base, common_regs[k],
- priv->cmn_saved_regs[k]);
+ for (i = 0; i < MERAM_REGS_SIZE; i++)
+ meram_write_reg(priv->base, common_regs[i], priv->regs[i]);
return 0;
}
-static const struct dev_pm_ops sh_mobile_meram_dev_pm_ops = {
- .runtime_suspend = sh_mobile_meram_runtime_suspend,
- .runtime_resume = sh_mobile_meram_runtime_resume,
-};
-
-static struct sh_mobile_meram_ops sh_mobile_meram_ops = {
- .module = THIS_MODULE,
- .meram_register = sh_mobile_meram_register,
- .meram_unregister = sh_mobile_meram_unregister,
- .meram_update = sh_mobile_meram_update,
-};
+static UNIVERSAL_DEV_PM_OPS(sh_mobile_meram_dev_pm_ops,
+ sh_mobile_meram_suspend,
+ sh_mobile_meram_resume, NULL);
-/*
- * initialize MERAM
+/* -----------------------------------------------------------------------------
+ * Probe/remove and driver init/exit
*/
-static int sh_mobile_meram_remove(struct platform_device *pdev);
-
static int __devinit sh_mobile_meram_probe(struct platform_device *pdev)
{
struct sh_mobile_meram_priv *priv;
struct sh_mobile_meram_info *pdata = pdev->dev.platform_data;
- struct resource *res;
+ struct resource *regs;
+ struct resource *meram;
+ unsigned int i;
int error;
if (!pdata) {
@@ -610,8 +604,9 @@ static int __devinit sh_mobile_meram_probe(struct platform_device *pdev)
return -EINVAL;
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ meram = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (regs == NULL || meram == NULL) {
dev_err(&pdev->dev, "cannot get platform resources\n");
return -ENOENT;
}
@@ -622,32 +617,74 @@ static int __devinit sh_mobile_meram_probe(struct platform_device *pdev)
return -ENOMEM;
}
- platform_set_drvdata(pdev, priv);
-
- /* initialize private data */
+ /* Initialize private data. */
mutex_init(&priv->lock);
- priv->base = ioremap_nocache(res->start, resource_size(res));
+ priv->used_icb = pdata->reserved_icbs;
+
+ for (i = 0; i < MERAM_ICB_NUM; ++i)
+ priv->icbs[i].index = i;
+
+ pdata->ops = &sh_mobile_meram_ops;
+ pdata->priv = priv;
+ pdata->pdev = pdev;
+
+ /* Request memory regions and remap the registers. */
+ if (!request_mem_region(regs->start, resource_size(regs), pdev->name)) {
+ dev_err(&pdev->dev, "MERAM registers region already claimed\n");
+ error = -EBUSY;
+ goto err_req_regs;
+ }
+
+ if (!request_mem_region(meram->start, resource_size(meram),
+ pdev->name)) {
+ dev_err(&pdev->dev, "MERAM memory region already claimed\n");
+ error = -EBUSY;
+ goto err_req_meram;
+ }
+
+ priv->base = ioremap_nocache(regs->start, resource_size(regs));
if (!priv->base) {
dev_err(&pdev->dev, "ioremap failed\n");
error = -EFAULT;
- goto err;
+ goto err_ioremap;
}
- pdata->ops = &sh_mobile_meram_ops;
- pdata->priv = priv;
- pdata->pdev = pdev;
+
+ priv->meram = meram->start;
+
+ /* Create and initialize the MERAM memory pool. */
+ priv->pool = gen_pool_create(ilog2(MERAM_GRANULARITY), -1);
+ if (priv->pool == NULL) {
+ error = -ENOMEM;
+ goto err_genpool;
+ }
+
+ error = gen_pool_add(priv->pool, meram->start, resource_size(meram),
+ -1);
+ if (error < 0)
+ goto err_genpool;
/* initialize ICB addressing mode */
if (pdata->addr_mode == SH_MOBILE_MERAM_MODE1)
meram_write_reg(priv->base, MEVCR1, MEVCR1_AMD1);
+ platform_set_drvdata(pdev, priv);
pm_runtime_enable(&pdev->dev);
dev_info(&pdev->dev, "sh_mobile_meram initialized.");
return 0;
-err:
- sh_mobile_meram_remove(pdev);
+err_genpool:
+ if (priv->pool)
+ gen_pool_destroy(priv->pool);
+ iounmap(priv->base);
+err_ioremap:
+ release_mem_region(meram->start, resource_size(meram));
+err_req_meram:
+ release_mem_region(regs->start, resource_size(regs));
+err_req_regs:
+ mutex_destroy(&priv->lock);
+ kfree(priv);
return error;
}
@@ -656,11 +693,16 @@ err:
static int sh_mobile_meram_remove(struct platform_device *pdev)
{
struct sh_mobile_meram_priv *priv = platform_get_drvdata(pdev);
+ struct resource *regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ struct resource *meram = platform_get_resource(pdev, IORESOURCE_MEM, 1);
pm_runtime_disable(&pdev->dev);
- if (priv->base)
- iounmap(priv->base);
+ gen_pool_destroy(priv->pool);
+
+ iounmap(priv->base);
+ release_mem_region(meram->start, resource_size(meram));
+ release_mem_region(regs->start, resource_size(regs));
mutex_destroy(&priv->lock);