[PATCH 1/2] [RFC] video: exynos mipi dsi: Making Exynos MIPI Complaint with CDF
Vikas C Sajjan
vikas.sajjan at linaro.org
Wed Jan 2 05:17:21 PST 2013
From: Vikas Sajjan <vikas.sajjan at linaro.org>
Signed-off-by: Vikas Sajjan <vikas.sajjan at linaro.org>
---
drivers/video/exynos/exynos_mipi_dsi.c | 46 ++++++++++++++++++-------
drivers/video/exynos/exynos_mipi_dsi_common.c | 22 ++++++++----
drivers/video/exynos/exynos_mipi_dsi_common.h | 12 +++----
include/video/exynos_mipi_dsim.h | 5 ++-
4 files changed, 56 insertions(+), 29 deletions(-)
diff --git a/drivers/video/exynos/exynos_mipi_dsi.c b/drivers/video/exynos/exynos_mipi_dsi.c
index 07d70a3..88b2aa9 100644
--- a/drivers/video/exynos/exynos_mipi_dsi.c
+++ b/drivers/video/exynos/exynos_mipi_dsi.c
@@ -32,14 +32,13 @@
#include <linux/notifier.h>
#include <linux/regulator/consumer.h>
#include <linux/pm_runtime.h>
-
+#include <video/display.h>
#include <video/exynos_mipi_dsim.h>
#include <plat/fb.h>
#include "exynos_mipi_dsi_common.h"
#include "exynos_mipi_dsi_lowlevel.h"
-
struct mipi_dsim_ddi {
int bus_id;
struct list_head list;
@@ -111,12 +110,13 @@ static void exynos_mipi_update_cfg(struct mipi_dsim_device *dsim)
exynos_mipi_dsi_stand_by(dsim, 1);
}
-static int exynos_mipi_dsi_early_blank_mode(struct mipi_dsim_device *dsim,
+static int exynos_mipi_dsi_early_blank_mode(struct video_source *video_source,
int power)
{
+ struct mipi_dsim_device *dsim = container_of(video_source,
+ struct mipi_dsim_device, video_source);
struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv;
struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev;
-
switch (power) {
case FB_BLANK_POWERDOWN:
if (dsim->suspended)
@@ -139,12 +139,13 @@ static int exynos_mipi_dsi_early_blank_mode(struct mipi_dsim_device *dsim,
return 0;
}
-static int exynos_mipi_dsi_blank_mode(struct mipi_dsim_device *dsim, int power)
+static int exynos_mipi_dsi_blank_mode(struct video_source *video_source, int power)
{
+ struct mipi_dsim_device *dsim = container_of(video_source,
+ struct mipi_dsim_device, video_source);
struct platform_device *pdev = to_platform_device(dsim->dev);
struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv;
struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev;
-
switch (power) {
case FB_BLANK_UNBLANK:
if (!dsim->suspended)
@@ -319,12 +320,19 @@ static struct mipi_dsim_ddi *exynos_mipi_dsi_bind_lcd_ddi(
return NULL;
}
-/* define MIPI-DSI Master operations. */
-static struct mipi_dsim_master_ops master_ops = {
- .cmd_read = exynos_mipi_dsi_rd_data,
- .cmd_write = exynos_mipi_dsi_wr_data,
- .get_dsim_frame_done = exynos_mipi_dsi_get_frame_done_status,
- .clear_dsim_frame_done = exynos_mipi_dsi_clear_frame_done,
+static void panel_dsi_release(struct video_source *src)
+{
+ printk("dsi entity release\n");
+}
+
+static const struct common_video_source_ops dsi_common_ops = {
+};
+
+static const struct dsi_video_source_ops exynos_dsi_ops = {
+ .dcs_read = exynos_mipi_dsi_rd_data,
+ .dcs_write = exynos_mipi_dsi_wr_data,
+ .get_frame_done = exynos_mipi_dsi_get_frame_done_status,
+ .clear_frame_done = exynos_mipi_dsi_clear_frame_done,
.set_early_blank_mode = exynos_mipi_dsi_early_blank_mode,
.set_blank_mode = exynos_mipi_dsi_blank_mode,
};
@@ -362,7 +370,6 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev)
}
dsim->dsim_config = dsim_config;
- dsim->master_ops = &master_ops;
mutex_init(&dsim->lock);
@@ -463,6 +470,19 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev)
dsim->suspended = false;
+ dsim->video_source.dev = &pdev->dev;
+ dsim->video_source.release = panel_dsi_release;
+ dsim->video_source.common_ops = &dsi_common_ops;
+ dsim->video_source.ops.dsi = &exynos_dsi_ops;
+ dsim->video_source.name = "exynos";
+
+ ret = video_source_register(&dsim->video_source);
+ if (ret < 0) {
+ printk("dsi entity register failed\n");
+ goto err_bind;
+ }
+ printk("dsi entity registered: %p\n", &dsim->video_source);
+ return 0;
done:
platform_set_drvdata(pdev, dsim);
diff --git a/drivers/video/exynos/exynos_mipi_dsi_common.c b/drivers/video/exynos/exynos_mipi_dsi_common.c
index 3cd29a4..e59911e 100644
--- a/drivers/video/exynos/exynos_mipi_dsi_common.c
+++ b/drivers/video/exynos/exynos_mipi_dsi_common.c
@@ -153,11 +153,12 @@ static void exynos_mipi_dsi_long_data_wr(struct mipi_dsim_device *dsim,
}
}
}
-
-int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
- const unsigned char *data0, unsigned int data_size)
+int exynos_mipi_dsi_wr_data(struct video_source *video_source, int data_id,
+ u8 *data0, size_t data_size)
{
unsigned int check_rx_ack = 0;
+ struct mipi_dsim_device *dsim = container_of(video_source,
+ struct mipi_dsim_device, video_source);
if (dsim->state == DSIM_STATE_ULPS) {
dev_err(dsim->dev, "state is ULPS.\n");
@@ -340,12 +341,14 @@ static unsigned int exynos_mipi_dsi_response_size(unsigned int req_size)
}
}
-int exynos_mipi_dsi_rd_data(struct mipi_dsim_device *dsim, unsigned int data_id,
- unsigned int data0, unsigned int req_size, u8 *rx_buf)
+int exynos_mipi_dsi_rd_data(struct video_source *video_source, int data_id,
+ u8 data0, u8 *rx_buf,size_t req_size)
{
unsigned int rx_data, rcv_pkt, i;
u8 response = 0;
u16 rxsize;
+ struct mipi_dsim_device *dsim = container_of(video_source,
+ struct mipi_dsim_device, video_source);
if (dsim->state == DSIM_STATE_ULPS) {
dev_err(dsim->dev, "state is ULPS.\n");
@@ -843,13 +846,18 @@ int exynos_mipi_dsi_set_data_transfer_mode(struct mipi_dsim_device *dsim,
return 0;
}
-int exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device *dsim)
+int exynos_mipi_dsi_get_frame_done_status(struct video_source *video_source)
{
+ struct mipi_dsim_device *dsim = container_of(video_source,
+ struct mipi_dsim_device, video_source);
+
return _exynos_mipi_dsi_get_frame_done_status(dsim);
}
-int exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim)
+int exynos_mipi_dsi_clear_frame_done(struct video_source *video_source)
{
+ struct mipi_dsim_device *dsim = container_of(video_source,
+ struct mipi_dsim_device, video_source);
_exynos_mipi_dsi_clear_frame_done(dsim);
return 0;
diff --git a/drivers/video/exynos/exynos_mipi_dsi_common.h b/drivers/video/exynos/exynos_mipi_dsi_common.h
index 4125522..cd89154 100644
--- a/drivers/video/exynos/exynos_mipi_dsi_common.h
+++ b/drivers/video/exynos/exynos_mipi_dsi_common.h
@@ -18,10 +18,10 @@
static DECLARE_COMPLETION(dsim_rd_comp);
static DECLARE_COMPLETION(dsim_wr_comp);
-int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
- const unsigned char *data0, unsigned int data_size);
-int exynos_mipi_dsi_rd_data(struct mipi_dsim_device *dsim, unsigned int data_id,
- unsigned int data0, unsigned int req_size, u8 *rx_buf);
+int exynos_mipi_dsi_rd_data(struct video_source *video_source, int data_id,
+ u8 data0, u8 *rx_buf,size_t req_size);
+int exynos_mipi_dsi_wr_data(struct video_source *video_source, int data_id,
+ u8 *data0, size_t data_size);
irqreturn_t exynos_mipi_dsi_interrupt_handler(int irq, void *dev_id);
void exynos_mipi_dsi_init_interrupt(struct mipi_dsim_device *dsim);
int exynos_mipi_dsi_init_dsim(struct mipi_dsim_device *dsim);
@@ -35,8 +35,8 @@ int exynos_mipi_dsi_set_data_transfer_mode(struct mipi_dsim_device *dsim,
unsigned int mode);
int exynos_mipi_dsi_enable_frame_done_int(struct mipi_dsim_device *dsim,
unsigned int enable);
-int exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device *dsim);
-int exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim);
+int exynos_mipi_dsi_get_frame_done_status(struct video_source *video_source);
+int exynos_mipi_dsi_clear_frame_done(struct video_source *video_source);
extern struct fb_info *registered_fb[FB_MAX] __read_mostly;
diff --git a/include/video/exynos_mipi_dsim.h b/include/video/exynos_mipi_dsim.h
index 83ce5e6..e50438e 100644
--- a/include/video/exynos_mipi_dsim.h
+++ b/include/video/exynos_mipi_dsim.h
@@ -17,7 +17,7 @@
#include <linux/device.h>
#include <linux/fb.h>
-
+#include <video/display.h>
#define PANEL_NAME_SIZE (32)
/*
@@ -225,9 +225,8 @@ struct mipi_dsim_device {
unsigned int irq;
void __iomem *reg_base;
struct mutex lock;
-
+ struct video_source video_source;
struct mipi_dsim_config *dsim_config;
- struct mipi_dsim_master_ops *master_ops;
struct mipi_dsim_lcd_device *dsim_lcd_dev;
struct mipi_dsim_lcd_driver *dsim_lcd_drv;
--
1.7.9.5
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