2011-02-12 18:05:06 -03:00
|
|
|
/*
|
|
|
|
|
* isp.h
|
|
|
|
|
*
|
|
|
|
|
* TI OMAP3 ISP - Core
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 2009-2010 Nokia Corporation
|
|
|
|
|
* Copyright (C) 2009 Texas Instruments, Inc.
|
|
|
|
|
*
|
|
|
|
|
* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
|
|
|
|
|
* Sakari Ailus <sakari.ailus@iki.fi>
|
|
|
|
|
*
|
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
|
|
|
* published by the Free Software Foundation.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef OMAP3_ISP_CORE_H
|
|
|
|
|
#define OMAP3_ISP_CORE_H
|
|
|
|
|
|
2011-08-12 19:09:34 +02:00
|
|
|
#include <media/omap3isp.h>
|
2011-02-12 18:05:06 -03:00
|
|
|
#include <media/v4l2-device.h>
|
2012-10-22 10:43:00 -03:00
|
|
|
#include <linux/clk-provider.h>
|
2011-02-12 18:05:06 -03:00
|
|
|
#include <linux/device.h>
|
|
|
|
|
#include <linux/io.h>
|
2012-11-02 12:24:03 -07:00
|
|
|
#include <linux/iommu.h>
|
2011-02-12 18:05:06 -03:00
|
|
|
#include <linux/platform_device.h>
|
|
|
|
|
#include <linux/wait.h>
|
|
|
|
|
|
|
|
|
|
#include "ispstat.h"
|
|
|
|
|
#include "ispccdc.h"
|
|
|
|
|
#include "ispreg.h"
|
|
|
|
|
#include "ispresizer.h"
|
|
|
|
|
#include "isppreview.h"
|
|
|
|
|
#include "ispcsiphy.h"
|
|
|
|
|
#include "ispcsi2.h"
|
|
|
|
|
#include "ispccp2.h"
|
|
|
|
|
|
|
|
|
|
#define ISP_TOK_TERM 0xFFFFFFFF /*
|
|
|
|
|
* terminating token for ISP
|
|
|
|
|
* modules reg list
|
|
|
|
|
*/
|
|
|
|
|
#define to_isp_device(ptr_module) \
|
|
|
|
|
container_of(ptr_module, struct isp_device, isp_##ptr_module)
|
|
|
|
|
#define to_device(ptr_module) \
|
|
|
|
|
(to_isp_device(ptr_module)->dev)
|
|
|
|
|
|
|
|
|
|
enum isp_mem_resources {
|
|
|
|
|
OMAP3_ISP_IOMEM_MAIN,
|
|
|
|
|
OMAP3_ISP_IOMEM_CCP2,
|
|
|
|
|
OMAP3_ISP_IOMEM_CCDC,
|
|
|
|
|
OMAP3_ISP_IOMEM_HIST,
|
|
|
|
|
OMAP3_ISP_IOMEM_H3A,
|
|
|
|
|
OMAP3_ISP_IOMEM_PREV,
|
|
|
|
|
OMAP3_ISP_IOMEM_RESZ,
|
|
|
|
|
OMAP3_ISP_IOMEM_SBL,
|
|
|
|
|
OMAP3_ISP_IOMEM_CSI2A_REGS1,
|
|
|
|
|
OMAP3_ISP_IOMEM_CSIPHY2,
|
|
|
|
|
OMAP3_ISP_IOMEM_CSI2A_REGS2,
|
|
|
|
|
OMAP3_ISP_IOMEM_CSI2C_REGS1,
|
|
|
|
|
OMAP3_ISP_IOMEM_CSIPHY1,
|
|
|
|
|
OMAP3_ISP_IOMEM_CSI2C_REGS2,
|
2012-10-14 07:31:48 -03:00
|
|
|
OMAP3_ISP_IOMEM_343X_CONTROL_CSIRXFE,
|
|
|
|
|
OMAP3_ISP_IOMEM_3630_CONTROL_CAMERA_PHY_CTRL,
|
2011-02-12 18:05:06 -03:00
|
|
|
OMAP3_ISP_IOMEM_LAST
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
enum isp_sbl_resource {
|
|
|
|
|
OMAP3_ISP_SBL_CSI1_READ = 0x1,
|
|
|
|
|
OMAP3_ISP_SBL_CSI1_WRITE = 0x2,
|
|
|
|
|
OMAP3_ISP_SBL_CSI2A_WRITE = 0x4,
|
|
|
|
|
OMAP3_ISP_SBL_CSI2C_WRITE = 0x8,
|
|
|
|
|
OMAP3_ISP_SBL_CCDC_LSC_READ = 0x10,
|
|
|
|
|
OMAP3_ISP_SBL_CCDC_WRITE = 0x20,
|
|
|
|
|
OMAP3_ISP_SBL_PREVIEW_READ = 0x40,
|
|
|
|
|
OMAP3_ISP_SBL_PREVIEW_WRITE = 0x80,
|
|
|
|
|
OMAP3_ISP_SBL_RESIZER_READ = 0x100,
|
|
|
|
|
OMAP3_ISP_SBL_RESIZER_WRITE = 0x200,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
enum isp_subclk_resource {
|
|
|
|
|
OMAP3_ISP_SUBCLK_CCDC = (1 << 0),
|
2012-05-25 08:35:10 -03:00
|
|
|
OMAP3_ISP_SUBCLK_AEWB = (1 << 1),
|
|
|
|
|
OMAP3_ISP_SUBCLK_AF = (1 << 2),
|
|
|
|
|
OMAP3_ISP_SUBCLK_HIST = (1 << 3),
|
|
|
|
|
OMAP3_ISP_SUBCLK_PREVIEW = (1 << 4),
|
|
|
|
|
OMAP3_ISP_SUBCLK_RESIZER = (1 << 5),
|
2011-02-12 18:05:06 -03:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* ISP: OMAP 34xx ES 1.0 */
|
|
|
|
|
#define ISP_REVISION_1_0 0x10
|
|
|
|
|
/* ISP2: OMAP 34xx ES 2.0, 2.1 and 3.0 */
|
|
|
|
|
#define ISP_REVISION_2_0 0x20
|
|
|
|
|
/* ISP2P: OMAP 36xx */
|
|
|
|
|
#define ISP_REVISION_15_0 0xF0
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* struct isp_res_mapping - Map ISP io resources to ISP revision.
|
|
|
|
|
* @isp_rev: ISP_REVISION_x_x
|
|
|
|
|
* @map: bitmap for enum isp_mem_resources
|
|
|
|
|
*/
|
|
|
|
|
struct isp_res_mapping {
|
|
|
|
|
u32 isp_rev;
|
|
|
|
|
u32 map;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* struct isp_reg - Structure for ISP register values.
|
|
|
|
|
* @reg: 32-bit Register address.
|
|
|
|
|
* @val: 32-bit Register value.
|
|
|
|
|
*/
|
|
|
|
|
struct isp_reg {
|
|
|
|
|
enum isp_mem_resources mmio_range;
|
|
|
|
|
u32 reg;
|
|
|
|
|
u32 val;
|
|
|
|
|
};
|
|
|
|
|
|
2012-10-22 10:43:00 -03:00
|
|
|
enum isp_xclk_id {
|
|
|
|
|
ISP_XCLK_A,
|
|
|
|
|
ISP_XCLK_B,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct isp_xclk {
|
|
|
|
|
struct isp_device *isp;
|
|
|
|
|
struct clk_hw hw;
|
|
|
|
|
struct clk_lookup *lookup;
|
2013-12-04 14:12:03 -03:00
|
|
|
struct clk *clk;
|
2012-10-22 10:43:00 -03:00
|
|
|
enum isp_xclk_id id;
|
|
|
|
|
|
|
|
|
|
spinlock_t lock; /* Protects enabled and divider */
|
|
|
|
|
bool enabled;
|
|
|
|
|
unsigned int divider;
|
2011-02-12 18:05:06 -03:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* struct isp_device - ISP device structure.
|
|
|
|
|
* @dev: Device pointer specific to the OMAP3 ISP.
|
|
|
|
|
* @revision: Stores current ISP module revision.
|
|
|
|
|
* @irq_num: Currently used IRQ number.
|
|
|
|
|
* @mmio_base: Array with kernel base addresses for ioremapped ISP register
|
|
|
|
|
* regions.
|
|
|
|
|
* @mmio_base_phys: Array with physical L4 bus addresses for ISP register
|
|
|
|
|
* regions.
|
2014-01-02 20:06:08 -03:00
|
|
|
* @mapping: IOMMU mapping
|
2011-02-12 18:05:06 -03:00
|
|
|
* @stat_lock: Spinlock for handling statistics
|
|
|
|
|
* @isp_mutex: Mutex for serializing requests to ISP.
|
2013-12-15 23:49:42 -03:00
|
|
|
* @stop_failure: Indicates that an entity failed to stop.
|
2011-11-18 11:28:24 -03:00
|
|
|
* @crashed: Bitmask of crashed entities (indexed by entity ID)
|
2011-02-12 18:05:06 -03:00
|
|
|
* @has_context: Context has been saved at least once and can be restored.
|
|
|
|
|
* @ref_count: Reference count for handling multiple ISP requests.
|
|
|
|
|
* @cam_ick: Pointer to camera interface clock structure.
|
|
|
|
|
* @cam_mclk: Pointer to camera functional clock structure.
|
|
|
|
|
* @csi2_fck: Pointer to camera CSI2 complexIO clock structure.
|
|
|
|
|
* @l3_ick: Pointer to OMAP3 L3 bus interface clock.
|
2012-10-22 10:43:00 -03:00
|
|
|
* @xclks: External clocks provided by the ISP
|
2011-02-12 18:05:06 -03:00
|
|
|
* @irq: Currently attached ISP ISR callbacks information structure.
|
|
|
|
|
* @isp_af: Pointer to current settings for ISP AutoFocus SCM.
|
|
|
|
|
* @isp_hist: Pointer to current settings for ISP Histogram SCM.
|
|
|
|
|
* @isp_h3a: Pointer to current settings for ISP Auto Exposure and
|
|
|
|
|
* White Balance SCM.
|
|
|
|
|
* @isp_res: Pointer to current settings for ISP Resizer.
|
|
|
|
|
* @isp_prev: Pointer to current settings for ISP Preview.
|
|
|
|
|
* @isp_ccdc: Pointer to current settings for ISP CCDC.
|
|
|
|
|
* @platform_cb: ISP driver callback function pointers for platform code
|
|
|
|
|
*
|
|
|
|
|
* This structure is used to store the OMAP ISP Information.
|
|
|
|
|
*/
|
|
|
|
|
struct isp_device {
|
|
|
|
|
struct v4l2_device v4l2_dev;
|
|
|
|
|
struct media_device media_dev;
|
|
|
|
|
struct device *dev;
|
|
|
|
|
u32 revision;
|
|
|
|
|
|
|
|
|
|
/* platform HW resources */
|
|
|
|
|
struct isp_platform_data *pdata;
|
|
|
|
|
unsigned int irq_num;
|
|
|
|
|
|
|
|
|
|
void __iomem *mmio_base[OMAP3_ISP_IOMEM_LAST];
|
|
|
|
|
unsigned long mmio_base_phys[OMAP3_ISP_IOMEM_LAST];
|
|
|
|
|
|
2014-01-02 20:06:08 -03:00
|
|
|
struct dma_iommu_mapping *mapping;
|
|
|
|
|
|
2011-02-12 18:05:06 -03:00
|
|
|
/* ISP Obj */
|
|
|
|
|
spinlock_t stat_lock; /* common lock for statistic drivers */
|
|
|
|
|
struct mutex isp_mutex; /* For handling ref_count field */
|
2013-12-15 23:49:42 -03:00
|
|
|
bool stop_failure;
|
2011-11-18 11:28:24 -03:00
|
|
|
u32 crashed;
|
2011-02-12 18:05:06 -03:00
|
|
|
int has_context;
|
|
|
|
|
int ref_count;
|
|
|
|
|
unsigned int autoidle;
|
|
|
|
|
#define ISP_CLK_CAM_ICK 0
|
|
|
|
|
#define ISP_CLK_CAM_MCLK 1
|
2012-11-10 12:06:25 +01:00
|
|
|
#define ISP_CLK_CSI2_FCK 2
|
|
|
|
|
#define ISP_CLK_L3_ICK 3
|
|
|
|
|
struct clk *clock[4];
|
2012-10-22 10:43:00 -03:00
|
|
|
struct isp_xclk xclks[2];
|
2011-02-12 18:05:06 -03:00
|
|
|
|
|
|
|
|
/* ISP modules */
|
|
|
|
|
struct ispstat isp_af;
|
|
|
|
|
struct ispstat isp_aewb;
|
|
|
|
|
struct ispstat isp_hist;
|
|
|
|
|
struct isp_res_device isp_res;
|
|
|
|
|
struct isp_prev_device isp_prev;
|
|
|
|
|
struct isp_ccdc_device isp_ccdc;
|
|
|
|
|
struct isp_csi2_device isp_csi2a;
|
|
|
|
|
struct isp_csi2_device isp_csi2c;
|
|
|
|
|
struct isp_ccp2_device isp_ccp2;
|
|
|
|
|
struct isp_csiphy isp_csiphy1;
|
|
|
|
|
struct isp_csiphy isp_csiphy2;
|
|
|
|
|
|
|
|
|
|
unsigned int sbl_resources;
|
|
|
|
|
unsigned int subclk_resources;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#define v4l2_dev_to_isp_device(dev) \
|
|
|
|
|
container_of(dev, struct isp_device, v4l2_dev)
|
|
|
|
|
|
|
|
|
|
void omap3isp_hist_dma_done(struct isp_device *isp);
|
|
|
|
|
|
|
|
|
|
void omap3isp_flush(struct isp_device *isp);
|
|
|
|
|
|
|
|
|
|
int omap3isp_module_sync_idle(struct media_entity *me, wait_queue_head_t *wait,
|
|
|
|
|
atomic_t *stopping);
|
|
|
|
|
|
|
|
|
|
int omap3isp_module_sync_is_stopping(wait_queue_head_t *wait,
|
|
|
|
|
atomic_t *stopping);
|
|
|
|
|
|
|
|
|
|
int omap3isp_pipeline_set_stream(struct isp_pipeline *pipe,
|
|
|
|
|
enum isp_pipeline_stream_state state);
|
2013-12-09 11:36:51 -03:00
|
|
|
void omap3isp_pipeline_cancel_stream(struct isp_pipeline *pipe);
|
2011-02-12 18:05:06 -03:00
|
|
|
void omap3isp_configure_bridge(struct isp_device *isp,
|
|
|
|
|
enum ccdc_input_entity input,
|
2011-03-29 05:19:09 -03:00
|
|
|
const struct isp_parallel_platform_data *pdata,
|
2011-08-31 11:03:53 -03:00
|
|
|
unsigned int shift, unsigned int bridge);
|
2011-02-12 18:05:06 -03:00
|
|
|
|
|
|
|
|
struct isp_device *omap3isp_get(struct isp_device *isp);
|
|
|
|
|
void omap3isp_put(struct isp_device *isp);
|
|
|
|
|
|
|
|
|
|
void omap3isp_print_status(struct isp_device *isp);
|
|
|
|
|
|
|
|
|
|
void omap3isp_sbl_enable(struct isp_device *isp, enum isp_sbl_resource res);
|
|
|
|
|
void omap3isp_sbl_disable(struct isp_device *isp, enum isp_sbl_resource res);
|
|
|
|
|
|
|
|
|
|
void omap3isp_subclk_enable(struct isp_device *isp,
|
|
|
|
|
enum isp_subclk_resource res);
|
|
|
|
|
void omap3isp_subclk_disable(struct isp_device *isp,
|
|
|
|
|
enum isp_subclk_resource res);
|
|
|
|
|
|
|
|
|
|
int omap3isp_pipeline_pm_use(struct media_entity *entity, int use);
|
|
|
|
|
|
|
|
|
|
int omap3isp_register_entities(struct platform_device *pdev,
|
|
|
|
|
struct v4l2_device *v4l2_dev);
|
|
|
|
|
void omap3isp_unregister_entities(struct platform_device *pdev);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* isp_reg_readl - Read value of an OMAP3 ISP register
|
2014-02-21 09:07:23 -03:00
|
|
|
* @isp: Device pointer specific to the OMAP3 ISP.
|
2011-02-12 18:05:06 -03:00
|
|
|
* @isp_mmio_range: Range to which the register offset refers to.
|
|
|
|
|
* @reg_offset: Register offset to read from.
|
|
|
|
|
*
|
|
|
|
|
* Returns an unsigned 32 bit value with the required register contents.
|
|
|
|
|
*/
|
|
|
|
|
static inline
|
|
|
|
|
u32 isp_reg_readl(struct isp_device *isp, enum isp_mem_resources isp_mmio_range,
|
|
|
|
|
u32 reg_offset)
|
|
|
|
|
{
|
|
|
|
|
return __raw_readl(isp->mmio_base[isp_mmio_range] + reg_offset);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* isp_reg_writel - Write value to an OMAP3 ISP register
|
2014-02-21 09:07:23 -03:00
|
|
|
* @isp: Device pointer specific to the OMAP3 ISP.
|
2011-02-12 18:05:06 -03:00
|
|
|
* @reg_value: 32 bit value to write to the register.
|
|
|
|
|
* @isp_mmio_range: Range to which the register offset refers to.
|
|
|
|
|
* @reg_offset: Register offset to write into.
|
|
|
|
|
*/
|
|
|
|
|
static inline
|
|
|
|
|
void isp_reg_writel(struct isp_device *isp, u32 reg_value,
|
|
|
|
|
enum isp_mem_resources isp_mmio_range, u32 reg_offset)
|
|
|
|
|
{
|
|
|
|
|
__raw_writel(reg_value, isp->mmio_base[isp_mmio_range] + reg_offset);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
2014-02-21 09:07:23 -03:00
|
|
|
* isp_reg_clr - Clear individual bits in an OMAP3 ISP register
|
|
|
|
|
* @isp: Device pointer specific to the OMAP3 ISP.
|
2011-02-12 18:05:06 -03:00
|
|
|
* @mmio_range: Range to which the register offset refers to.
|
|
|
|
|
* @reg: Register offset to work on.
|
|
|
|
|
* @clr_bits: 32 bit value which would be cleared in the register.
|
|
|
|
|
*/
|
|
|
|
|
static inline
|
|
|
|
|
void isp_reg_clr(struct isp_device *isp, enum isp_mem_resources mmio_range,
|
|
|
|
|
u32 reg, u32 clr_bits)
|
|
|
|
|
{
|
|
|
|
|
u32 v = isp_reg_readl(isp, mmio_range, reg);
|
|
|
|
|
|
|
|
|
|
isp_reg_writel(isp, v & ~clr_bits, mmio_range, reg);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* isp_reg_set - Set individual bits in an OMAP3 ISP register
|
2014-02-21 09:07:23 -03:00
|
|
|
* @isp: Device pointer specific to the OMAP3 ISP.
|
2011-02-12 18:05:06 -03:00
|
|
|
* @mmio_range: Range to which the register offset refers to.
|
|
|
|
|
* @reg: Register offset to work on.
|
|
|
|
|
* @set_bits: 32 bit value which would be set in the register.
|
|
|
|
|
*/
|
|
|
|
|
static inline
|
|
|
|
|
void isp_reg_set(struct isp_device *isp, enum isp_mem_resources mmio_range,
|
|
|
|
|
u32 reg, u32 set_bits)
|
|
|
|
|
{
|
|
|
|
|
u32 v = isp_reg_readl(isp, mmio_range, reg);
|
|
|
|
|
|
|
|
|
|
isp_reg_writel(isp, v | set_bits, mmio_range, reg);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* isp_reg_clr_set - Clear and set invidial bits in an OMAP3 ISP register
|
2014-02-21 09:07:23 -03:00
|
|
|
* @isp: Device pointer specific to the OMAP3 ISP.
|
2011-02-12 18:05:06 -03:00
|
|
|
* @mmio_range: Range to which the register offset refers to.
|
|
|
|
|
* @reg: Register offset to work on.
|
|
|
|
|
* @clr_bits: 32 bit value which would be cleared in the register.
|
|
|
|
|
* @set_bits: 32 bit value which would be set in the register.
|
|
|
|
|
*
|
|
|
|
|
* The clear operation is done first, and then the set operation.
|
|
|
|
|
*/
|
|
|
|
|
static inline
|
|
|
|
|
void isp_reg_clr_set(struct isp_device *isp, enum isp_mem_resources mmio_range,
|
|
|
|
|
u32 reg, u32 clr_bits, u32 set_bits)
|
|
|
|
|
{
|
|
|
|
|
u32 v = isp_reg_readl(isp, mmio_range, reg);
|
|
|
|
|
|
|
|
|
|
isp_reg_writel(isp, (v & ~clr_bits) | set_bits, mmio_range, reg);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline enum v4l2_buf_type
|
|
|
|
|
isp_pad_buffer_type(const struct v4l2_subdev *subdev, int pad)
|
|
|
|
|
{
|
|
|
|
|
if (pad >= subdev->entity.num_pads)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
if (subdev->entity.pads[pad].flags & MEDIA_PAD_FL_SINK)
|
|
|
|
|
return V4L2_BUF_TYPE_VIDEO_OUTPUT;
|
|
|
|
|
else
|
|
|
|
|
return V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif /* OMAP3_ISP_CORE_H */
|
