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Commit 50e0e94b authored by Alok Pandey's avatar Alok Pandey Committed by Gerrit - the friendly Code Review server
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msm: camera: isp: Add api to mask the interrupts 



It adds api to clear and mask all the interrupts for a irq
chip.

Change-Id: Ie205029809b1018ec9e7aa33661a53d8abb580f9
Signed-off-by: default avatarAlok Pandey <akumarpa@codeaurora.org>
Signed-off-by: default avatarAbhilash Kumar <krabhi@codeaurora.org>
parent 82ef231d

drivers/media/platform/msm/camera/cam_isp/isp_hw_mgr/hw_utils/irq_controller/cam_irq_controller.c

+27 −0
Original line number Diff line number Diff line
@@ -607,6 +607,33 @@ static void cam_irq_controller_th_processing( 
	CAM_DBG(CAM_ISP, "Exit");

}



irqreturn_t cam_irq_controller_clear_and_mask(int irq_num, void *priv)

{

	struct cam_irq_controller  *controller  = priv;

	uint32_t i = 0;



	if (!controller)

		return IRQ_NONE;



	for (i = 0; i < controller->num_registers; i++) {



		cam_io_w_mb(0x0, controller->mem_base +

			controller->irq_register_arr[i].clear_reg_offset);

	}



	if (controller->global_clear_offset)

		cam_io_w_mb(controller->global_clear_bitmask,

			controller->mem_base +

			controller->global_clear_offset);



	for (i = 0; i < controller->num_registers; i++) {

		cam_io_w_mb(0x0, controller->mem_base +

		controller->irq_register_arr[i].mask_reg_offset);

	}



	return IRQ_HANDLED;

}



irqreturn_t cam_irq_controller_handle_irq(int irq_num, void *priv)

{

	struct cam_irq_controller  *controller  = priv;

drivers/media/platform/msm/camera/cam_isp/isp_hw_mgr/hw_utils/irq_controller/cam_irq_controller.h

+14 −0
Original line number Diff line number Diff line
@@ -250,4 +250,18 @@ int cam_irq_controller_disable_irq(void *irq_controller, uint32_t handle); 
 */

int cam_irq_controller_enable_irq(void *irq_controller, uint32_t handle);



/*

 * cam_irq_controller_clear_and_mask()

 *

 * @brief:              This function clears and masks all the irq bits

 *

 * @irq_num:            Number of IRQ line that was set that lead to this

 *                      function being called

 * @priv:               Private data registered with request_irq is passed back

 *                      here. This private data should be the irq_controller

 *                      structure.

 *

 * @return:             IRQ_HANDLED/IRQ_NONE

 */

irqreturn_t cam_irq_controller_clear_and_mask(int irq_num, void *priv);

#endif /* _CAM_IRQ_CONTROLLER_H_ */

drivers/media/platform/msm/camera/cam_isp/isp_hw_mgr/isp_hw/vfe_hw/cam_vfe_core.c

+2 −0
Original line number Diff line number Diff line
@@ -172,6 +172,8 @@ static int cam_vfe_irq_err_top_half(uint32_t evt_id, 
			th_payload->evt_status_arr[1]);

		cam_irq_controller_disable_irq(core_info->vfe_irq_controller,

			core_info->irq_err_handle);

		cam_irq_controller_clear_and_mask(evt_id,

			core_info->vfe_irq_controller);

	}



	rc  = cam_vfe_get_evt_payload(handler_priv->core_info, &evt_payload);