diff options
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss.h')
| -rw-r--r-- | drivers/media/platform/qcom/camss/camss.h | 176 |
1 files changed, 176 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 000000000000..9d9a62640e25 --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss.h @@ -0,0 +1,176 @@ +/* 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" +#include "camss-format.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 +#define CAMSS_INIT_BUF_COUNT 2 + +struct camss_subdev_resources { + char *regulators[CAMSS_RES_MAX]; + char *clock[CAMSS_RES_MAX]; + char *clock_for_reset[CAMSS_RES_MAX]; + u32 clock_rate[CAMSS_RES_MAX][CAMSS_RES_MAX]; + char *reg[CAMSS_RES_MAX]; + char *interrupt[CAMSS_RES_MAX]; + union { + struct csiphy_subdev_resources csiphy; + struct csid_subdev_resources csid; + struct vfe_subdev_resources vfe; + }; +}; + +struct icc_bw_tbl { + u32 avg; + u32 peak; +}; + +struct resources_icc { + char *name; + struct icc_bw_tbl icc_bw_tbl; +}; + +struct resources_wrapper { + char *reg; +}; + +enum pm_domain { + PM_DOMAIN_VFE0 = 0, + PM_DOMAIN_VFE1 = 1, + PM_DOMAIN_VFELITE = 2, /* VFELITE / TOP GDSC */ +}; + +enum camss_version { + CAMSS_660, + CAMSS_2290, + CAMSS_7280, + CAMSS_8x16, + CAMSS_8x39, + CAMSS_8x53, + CAMSS_8x96, + CAMSS_8250, + CAMSS_8280XP, + CAMSS_8300, + CAMSS_845, + CAMSS_8550, + CAMSS_8650, + CAMSS_8775P, + CAMSS_X1E80100, +}; + +enum icc_count { + ICC_DEFAULT_COUNT = 0, + ICC_SM8250_COUNT = 4, +}; + +struct camss_resources { + enum camss_version version; + const char *pd_name; + const struct camss_subdev_resources *csiphy_res; + const struct camss_subdev_resources *csid_res; + const struct camss_subdev_resources *ispif_res; + const struct camss_subdev_resources *vfe_res; + const struct resources_wrapper *csid_wrapper_res; + const struct resources_icc *icc_res; + const unsigned int icc_path_num; + const unsigned int csiphy_num; + const unsigned int csid_num; + const unsigned int vfe_num; +}; + +struct camss { + struct v4l2_device v4l2_dev; + struct v4l2_async_notifier notifier; + struct media_device media_dev; + struct device *dev; + struct csiphy_device *csiphy; + struct csid_device *csid; + struct ispif_device *ispif; + struct vfe_device *vfe; + void __iomem *csid_wrapper_base; + atomic_t ref_count; + int genpd_num; + struct device *genpd; + struct device_link *genpd_link; + struct icc_path *icc_path[ICC_SM8250_COUNT]; + const struct camss_resources *res; +}; + +struct camss_camera_interface { + u8 csiphy_id; + struct csiphy_csi2_cfg csi2; +}; + +struct camss_async_subdev { + struct v4l2_async_connection asd; /* must be first */ + struct camss_camera_interface interface; +}; + +struct camss_clock { + struct clk *clk; + const char *name; + u32 *freq; + u32 nfreqs; +}; + +struct parent_dev_ops { + int (*get)(struct camss *camss, int id); + int (*put)(struct camss *camss, int id); + void __iomem *(*get_base_address)(struct camss *camss, int id); +}; + +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_pad *camss_find_sensor_pad(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); +int camss_vfe_get(struct camss *camss, int id); +void camss_vfe_put(struct camss *camss, int id); +void camss_delete(struct camss *camss); +void camss_buf_done(struct camss *camss, int hw_id, int port_id); +void camss_reg_update(struct camss *camss, int hw_id, + int port_id, bool is_clear); + +#endif /* QC_MSM_CAMSS_H */ |