diff options
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss.h')
-rw-r--r-- | drivers/media/platform/qcom/camss/camss.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h new file mode 100644 index 000000000..0db80cadb --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss.h @@ -0,0 +1,138 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * camss.h + * + * Qualcomm MSM Camera Subsystem - Core + * + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + * Copyright (C) 2015-2018 Linaro Ltd. + */ +#ifndef QC_MSM_CAMSS_H +#define QC_MSM_CAMSS_H + +#include <linux/device.h> +#include <linux/types.h> +#include <media/v4l2-async.h> +#include <media/v4l2-device.h> +#include <media/v4l2-subdev.h> +#include <media/media-device.h> +#include <media/media-entity.h> + +#include "camss-csid.h" +#include "camss-csiphy.h" +#include "camss-ispif.h" +#include "camss-vfe.h" + +#define to_camss(ptr_module) \ + container_of(ptr_module, struct camss, ptr_module) + +#define to_device(ptr_module) \ + (to_camss(ptr_module)->dev) + +#define module_pointer(ptr_module, index) \ + ((const struct ptr_module##_device (*)[]) &(ptr_module[-(index)])) + +#define to_camss_index(ptr_module, index) \ + container_of(module_pointer(ptr_module, index), \ + struct camss, ptr_module) + +#define to_device_index(ptr_module, index) \ + (to_camss_index(ptr_module, index)->dev) + +#define CAMSS_RES_MAX 17 + +struct resources { + char *regulators[CAMSS_RES_MAX]; + char *clock[CAMSS_RES_MAX]; + u32 clock_rate[CAMSS_RES_MAX][CAMSS_RES_MAX]; + char *reg[CAMSS_RES_MAX]; + char *interrupt[CAMSS_RES_MAX]; +}; + +struct resources_ispif { + char *clock[CAMSS_RES_MAX]; + char *clock_for_reset[CAMSS_RES_MAX]; + char *reg[CAMSS_RES_MAX]; + char *interrupt; +}; + +struct icc_bw_tbl { + u32 avg; + u32 peak; +}; + +struct resources_icc { + char *name; + struct icc_bw_tbl icc_bw_tbl; +}; + +enum pm_domain { + PM_DOMAIN_VFE0 = 0, + PM_DOMAIN_VFE1 = 1, + PM_DOMAIN_VFELITE = 2, /* VFELITE / TOP GDSC */ +}; + +enum camss_version { + CAMSS_8x16, + CAMSS_8x96, + CAMSS_660, + CAMSS_845, + CAMSS_8250, +}; + +enum icc_count { + ICC_DEFAULT_COUNT = 0, + ICC_SM8250_COUNT = 4, +}; + +struct camss { + enum camss_version version; + struct v4l2_device v4l2_dev; + struct v4l2_async_notifier notifier; + struct media_device media_dev; + struct device *dev; + int csiphy_num; + struct csiphy_device *csiphy; + int csid_num; + struct csid_device *csid; + struct ispif_device *ispif; + int vfe_num; + struct vfe_device *vfe; + atomic_t ref_count; + int genpd_num; + struct device **genpd; + struct device_link **genpd_link; + struct icc_path *icc_path[ICC_SM8250_COUNT]; + struct icc_bw_tbl icc_bw_tbl[ICC_SM8250_COUNT]; +}; + +struct camss_camera_interface { + u8 csiphy_id; + struct csiphy_csi2_cfg csi2; +}; + +struct camss_async_subdev { + struct v4l2_async_subdev asd; /* must be first */ + struct camss_camera_interface interface; +}; + +struct camss_clock { + struct clk *clk; + const char *name; + u32 *freq; + u32 nfreqs; +}; + +void camss_add_clock_margin(u64 *rate); +int camss_enable_clocks(int nclocks, struct camss_clock *clock, + struct device *dev); +void camss_disable_clocks(int nclocks, struct camss_clock *clock); +struct media_entity *camss_find_sensor(struct media_entity *entity); +s64 camss_get_link_freq(struct media_entity *entity, unsigned int bpp, + unsigned int lanes); +int camss_get_pixel_clock(struct media_entity *entity, u64 *pixel_clock); +int camss_pm_domain_on(struct camss *camss, int id); +void camss_pm_domain_off(struct camss *camss, int id); +void camss_delete(struct camss *camss); + +#endif /* QC_MSM_CAMSS_H */ |