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Commit 16b4f674 authored by E V Ravi's avatar E V Ravi Committed by Gerrit - the friendly Code Review server
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msm: ais: Update early camera with new apis 



Early domain core driver provides apis to communicate
with LK instead of using scratch registers

Change-Id: If312307d0b2eec7a40faf8575a7ad12451408c7c
Signed-off-by: default avatarE V Ravi <evenka@codeaurora.org>
parent e46bc1b0

drivers/media/platform/msm/ais/isp/msm_isp_util.c

+3 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#define CREATE_TRACE_POINTS

#include "trace/events/msm_cam.h"

#include "sensor/cci/msm_early_cam.h"

#include <soc/qcom/early_domain.h>



#define MAX_ISP_V4l2_EVENTS 100

#define MAX_ISP_REG_LIST 100
@@ -2292,6 +2293,8 @@ int msm_isp_open_node(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) 
	vfe_dev->isp_raw2_debug = 0;



	/* Postpone hardware changes until early camera is complete */

	/* Signal LK early camera that Kernel started running AIS */

	request_early_service_shutdown(EARLY_CAMERA);

	msm_early_camera_wait();



	if (vfe_dev->hw_info->vfe_ops.core_ops.init_hw(vfe_dev) < 0) {

drivers/media/platform/msm/ais/sensor/cci/msm_early_cam.c

+6 −15
Original line number Diff line number Diff line
@@ -17,7 +17,7 @@ 
#include <linux/of.h>

#include <linux/of_gpio.h>

#include <linux/of_platform.h>

#include <linux/iopoll.h>

#include <soc/qcom/early_domain.h>

#include "msm_sd.h"

#include "msm_early_cam.h"

#include "msm_cam_cci_hwreg.h"
@@ -39,12 +39,6 @@ 
static struct platform_driver msm_early_camera_driver;

static struct early_cam_device *new_early_cam_dev;



#define MMSS_A_VFE_0_BASE 0x00A10000

#define MMSS_A_VFE_0_SIZE 0x1000

#define EARLY_CAMERA_SIGNAL_DONE 0xa5a5a5a5

#define EARLY_CAMERA_SIGNAL_DISABLED 0

#define MMSS_A_VFE_0_SPARE 0xC84



int msm_early_cam_disable_clocks(void)

{

	int rc = 0;
@@ -263,14 +257,11 @@ int msm_ais_disable_clocks(void) 


void msm_early_camera_wait(void)

{

	u32 val = 0;

	void __iomem *base;



	base = ioremap(MMSS_A_VFE_0_BASE, MMSS_A_VFE_0_SIZE);

	readl_poll_timeout(base + MMSS_A_VFE_0_SPARE, val,

		((val == EARLY_CAMERA_SIGNAL_DONE)

		|| (val == EARLY_CAMERA_SIGNAL_DISABLED)), 0, 0);

	iounmap(base);

	while (get_early_service_status(EARLY_CAMERA)) {

		CDBG("%s: wait for signal of early camera from LK",

			__func__);

		msleep(500);

	}

}



static int msm_early_cam_probe(struct platform_device *pdev)