diff options
Diffstat (limited to 'drivers/staging/mmio/mmio.h')
| -rw-r--r-- | drivers/staging/mmio/mmio.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/drivers/staging/mmio/mmio.h b/drivers/staging/mmio/mmio.h new file mode 100644 index 00000000000..1b201021982 --- /dev/null +++ b/drivers/staging/mmio/mmio.h @@ -0,0 +1,217 @@ +/* + * Copyright (C) ST-Ericsson SA 2011 + * + * Author: Joakim Axelsson <joakim.axelsson@stericsson.com> for ST-Ericsson + * Author: Rajat Verma <rajat.verma@stericsson.com> for ST-Ericsson + * Author: Vincent Abriou <vincent.abriou@stericsson.com> for ST-Ericsson. + * License Terms: GNU General Public License v2 + */ + +#ifndef MMIO_H +#define MMIO_H + +#include <linux/ioctl.h> + +#define MMIO_NAME "mmio_camera" /* kept for backward compatibility */ +#define MMIO_RAW_NAME "mmio_camera_raw" +#define MMIO_YUV_NAME "mmio_camera_yuv" + +#define SRA_SUPPORT 1 + +#ifdef SRA_SUPPORT +#define SREG_16_BIT (0x1) +#define SREG_32_BIT (0x2) +#endif +/* Kernel side interface for MMIO */ +/* Which camera is currently active */ +enum camera_slot_t { + PRIMARY_CAMERA = 0, + SECONDARY_CAMERA, + CAMERA_SLOT_END +}; + +enum camera_type_t { + RAW_CAMERA = 0, + YUV_CAMERA, + CAMERA_TYPE_END +}; + +struct mmio_gpio { + /* Name of the gpio */ + const char *name; + /* Gpio number */ + int gpio; + /* pin configuration when feature is enabled */ + unsigned long cfg_ena; + /* pin configuration when feature is disabled */ + unsigned long cfg_disa; + /* Set if pin is active high */ + /* kept for backward compatibility */ + int active_high; + /* Time to wait when activating the pin, in usec */ + /* kept for backward compatibility */ + int udelay; +}; + +struct mmio_clk { + const char *name; /* Name of the clock */ + struct clk *clk_ptr; /* Pointer on the allocated clock */ +}; + +struct mmio_regulator { + const char *name; /* Name of the clock */ + struct regulator *reg_ptr; /* Pointer on the allocated regulator */ +}; + +enum mmio_select_i2c_t { + MMIO_ACTIVATE_IPI2C2 = 0, /* kept for backward compatibility */ + MMIO_ACTIVATE_I2C_HOST, /* kept for backward compatibility */ + MMIO_ACTIVATE_I2C, + MMIO_DEACTIVATE_I2C +}; + +enum mmio_select_xshutdown_t { + MMIO_ENABLE_XSHUTDOWN_FW = 0, + MMIO_ENABLE_XSHUTDOWN_HOST, + MMIO_DISABLE_XSHUTDOWN +}; +struct mmio_platform_data { + struct device *dev; + enum camera_slot_t camera_slot; /* Which camera is currently used, + * Primary/Secondary */ + void *extra; /* Board's private data structure + * placeholder */ + int reset_ipgpio[CAMERA_SLOT_END]; /* Contains logical IP GPIO for + * reset pin */ + int sia_base; + int cr_base; + int (*platform_init)(struct mmio_platform_data *pdata); + void (*platform_exit)(struct mmio_platform_data *pdata); + int (*power_enable)(struct mmio_platform_data *pdata); + void (*power_disable)(struct mmio_platform_data *pdata); + /* kept for backward compatibility */ + int (*config_xshutdown_pins)(struct mmio_platform_data *pdata, + enum mmio_select_xshutdown_t select, int is_active_high); + int (*config_i2c_pins)(struct mmio_platform_data *pdata, + enum mmio_select_i2c_t select); + int (*clock_enable)(struct mmio_platform_data *pdata); + void (*clock_disable)(struct mmio_platform_data *pdata); + /* kept for backward compatibility */ + void (*set_xshutdown)(struct mmio_platform_data *pdata); +}; + +#define USER_SIDE_INTERFACE 1 +/* User side is only allowed to access code in USER_SIDE_INTERFACE block */ +#ifdef USER_SIDE_INTERFACE +enum mmio_bool_t { + MMIO_FALSE = 0, + MMIO_TRUE = !MMIO_FALSE, + MMIO_BOOL_MAX = 0x7FFFFFFF +}; + +struct xshutdown_info_t { + int ip_gpio; + int camera_function; +}; + +struct xp70_fw_t { + void __iomem *addr_sdram_ext; + void __iomem *addr_esram_ext; + void __iomem *addr_split; + void __iomem *addr_data; + unsigned int size_sdram_ext; + unsigned int size_esram_ext; + unsigned int size_split; + unsigned int size_data; +}; + +struct isp_write_t { + unsigned long t1_dest; + unsigned long *data; + unsigned long count; +}; + +struct trace_buf_t { + void *address; + unsigned int size; +}; + +#ifdef SRA_SUPPORT +struct s_reg { + unsigned int addr; + unsigned int value; + unsigned int mask; +}; + +struct s_reg_list { + unsigned int access_mode; + unsigned int entries; + struct s_reg *s_regs_p; +}; +#endif +struct mmio_input_output_t { + union { + enum mmio_bool_t power_on; + struct xp70_fw_t xp70_fw; + struct isp_write_t isp_write; + unsigned int addr_to_map; + struct xshutdown_info_t xshutdown_info; + enum camera_slot_t camera_slot; + struct trace_buf_t trace_buf; +#ifdef SRA_SUPPORT + struct s_reg_list s_reg_list; +#endif + } mmio_arg; +}; + +#define MMIO_TRUE (1) +#define MMIO_FALSE (0) +#define MMIO_INVALID (~0) + +/*Xshutdown from host takes two arguments*/ +/* kept for backward compatibility */ +#define MMIO_XSHUTDOWN_ENABLE (0x1) +/* kept for backward compatibility */ +#define MMIO_XSHUTDOWN_ACTIVE_HIGH (0x2) +#define MMIO_MAGIC_NUMBER 0x15 + +#define MMIO_CAM_INITBOARD _IOW(MMIO_MAGIC_NUMBER, 1,\ +struct mmio_input_output_t*) +#define MMIO_CAM_PWR_SENSOR _IOW(MMIO_MAGIC_NUMBER, 2,\ +struct mmio_input_output_t*) +#define MMIO_CAM_SET_EXT_CLK _IOW(MMIO_MAGIC_NUMBER, 3,\ +struct mmio_input_output_t*) +/* kept for backward compatibility */ +#define MMIO_CAM_SET_PRI_HWIF _IO(MMIO_MAGIC_NUMBER, 4) +/* kept for backward compatibility */ +#define MMIO_CAM_SET_SEC_HWIF _IO(MMIO_MAGIC_NUMBER, 5) +#define MMIO_CAM_INITMMDSPTIMER _IO(MMIO_MAGIC_NUMBER, 6) +#define MMIO_CAM_LOAD_XP70_FW _IOW(MMIO_MAGIC_NUMBER, 7,\ +struct mmio_input_output_t*) +#define MMIO_CAM_MAP_STATS_AREA _IOWR(MMIO_MAGIC_NUMBER, 8,\ +struct mmio_input_output_t*) +/* kept for backward compatibility */ +#define MMIO_ACTIVATE_I2C2 _IOW(MMIO_MAGIC_NUMBER, 9, int*) +/* kept for backward compatibility */ +#define MMIO_ENABLE_XSHUTDOWN_FROM_HOST _IOW(MMIO_MAGIC_NUMBER, 10, int*) +#define MMIO_CAM_ISP_WRITE _IOW(MMIO_MAGIC_NUMBER, 11,\ +struct mmio_input_output_t*) +#define MMIO_CAM_GET_IP_GPIO _IOWR(MMIO_MAGIC_NUMBER, 12,\ +struct mmio_input_output_t*) +#define MMIO_CAM_DESINITBOARD _IO(MMIO_MAGIC_NUMBER, 13) +#define MMIO_CAM_SET_TRACE_BUFFER _IOW(MMIO_MAGIC_NUMBER, 14,\ +struct mmio_input_output_t*) + +#ifdef SRA_SUPPORT +#define MMIO_CAM_READ_REGS _IOWR(MMIO_MAGIC_NUMBER, 15,\ +struct mmio_input_output_t*) +#define MMIO_CAM_MODIFY_REGS _IOWR(MMIO_MAGIC_NUMBER, 16,\ +struct mmio_input_output_t*) +#define MMIO_CAM_WRITE_REGS _IOWR(MMIO_MAGIC_NUMBER, 17,\ +struct mmio_input_output_t*) +#endif + +#endif /* USER_SIDE_INTERFACE */ + +#endif +/* MMIO_H */ |