--- /dev/null
+/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef MSM_CCI_H
+#define MSM_CCI_H
+
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-subdev.h>
+#include "msm_camsensor_sdk.h"
+
+#define NUM_MASTERS 2
+#define NUM_QUEUES 2
+
+#define TRUE 1
+#define FALSE 0
+
+#define CCI_PINCTRL_STATE_DEFAULT "cci_default"
+#define CCI_PINCTRL_STATE_SLEEP "cci_suspend"
+
+#define CCI_NUM_CLK_MAX 16
+
+enum cci_i2c_queue_t {
+ QUEUE_0,
+ QUEUE_1,
+};
+
+enum cci_i2c_master_t {
+ MASTER_0,
+ MASTER_1,
+ MASTER_MAX,
+};
+
+struct msm_camera_cci_client {
+ struct v4l2_subdev *cci_subdev;
+ uint32_t freq;
+ enum i2c_freq_mode_t i2c_freq_mode;
+ enum cci_i2c_master_t cci_i2c_master;
+ uint16_t sid;
+ uint16_t cid;
+ uint32_t timeout;
+ uint16_t retries;
+ uint16_t id_map;
+};
+
+enum msm_cci_cmd_type {
+ MSM_CCI_INIT,
+ MSM_CCI_RELEASE,
+ MSM_CCI_SET_SID,
+ MSM_CCI_SET_FREQ,
+ MSM_CCI_SET_SYNC_CID,
+ MSM_CCI_I2C_READ,
+ MSM_CCI_I2C_WRITE,
+ MSM_CCI_GPIO_WRITE,
+};
+
+struct msm_camera_cci_wait_sync_cfg {
+ uint16_t line;
+ uint16_t delay;
+};
+
+struct msm_camera_cci_gpio_cfg {
+ uint16_t gpio_queue;
+ uint16_t i2c_queue;
+};
+
+struct msm_camera_cci_i2c_read_cfg {
+ uint16_t addr;
+ enum msm_camera_i2c_reg_addr_type addr_type;
+ uint8_t *data;
+ uint16_t num_byte;
+};
+
+struct msm_camera_cci_i2c_queue_info {
+ uint32_t max_queue_size;
+ uint32_t report_id;
+ uint32_t irq_en;
+ uint32_t capture_rep_data;
+};
+
+struct msm_camera_cci_ctrl {
+ int32_t status;
+ struct msm_camera_cci_client *cci_info;
+ enum msm_cci_cmd_type cmd;
+ union {
+ struct msm_camera_i2c_reg_setting cci_i2c_write_cfg;
+ struct msm_camera_cci_i2c_read_cfg cci_i2c_read_cfg;
+ struct msm_camera_cci_wait_sync_cfg cci_wait_sync_cfg;
+ struct msm_camera_cci_gpio_cfg gpio_cfg;
+ } cfg;
+};
+
+struct msm_camera_cci_master_info {
+ uint32_t status;
+ uint8_t reset_pending;
+ struct mutex mutex;
+ struct completion reset_complete;
+};
+
+struct msm_cci_clk_params_t {
+ uint16_t hw_thigh;
+ uint16_t hw_tlow;
+ uint16_t hw_tsu_sto;
+ uint16_t hw_tsu_sta;
+ uint16_t hw_thd_dat;
+ uint16_t hw_thd_sta;
+ uint16_t hw_tbuf;
+ uint8_t hw_scl_stretch_en;
+ uint8_t hw_trdhld;
+ uint8_t hw_tsp;
+};
+
+enum msm_cci_state_t {
+ CCI_STATE_ENABLED,
+ CCI_STATE_DISABLED,
+};
+
+struct msm_sd_subdev {
+ struct v4l2_subdev sd;
+ int close_seq;
+ struct list_head list;
+};
+
+struct cci_device {
+ struct platform_device *pdev;
+ struct msm_sd_subdev msm_sd;
+ struct v4l2_subdev subdev;
+ struct resource *mem;
+ struct resource *irq;
+ struct resource *io;
+ void __iomem *base;
+
+ uint32_t hw_version;
+ uint8_t ref_count;
+ enum msm_cci_state_t cci_state;
+ uint32_t num_clk;
+
+ struct clk *cci_clk[CCI_NUM_CLK_MAX];
+ struct msm_camera_cci_i2c_queue_info
+ cci_i2c_queue_info[NUM_MASTERS][NUM_QUEUES];
+ struct msm_camera_cci_master_info cci_master_info[NUM_MASTERS];
+ struct msm_cci_clk_params_t cci_clk_params[I2C_MAX_MODES];
+ struct gpio *cci_gpio_tbl;
+ uint8_t cci_gpio_tbl_size;
+ uint8_t master_clk_init[MASTER_MAX];
+ struct regulator *reg_ptr;
+ uint32_t cycles_per_us;
+ struct v4l2_device msm_v4l2_dev;
+};
+
+enum msm_cci_i2c_cmd_type {
+ CCI_I2C_SET_PARAM_CMD = 1,
+ CCI_I2C_WAIT_CMD,
+ CCI_I2C_WAIT_SYNC_CMD,
+ CCI_I2C_WAIT_GPIO_EVENT_CMD,
+ CCI_I2C_TRIG_I2C_EVENT_CMD,
+ CCI_I2C_LOCK_CMD,
+ CCI_I2C_UNLOCK_CMD,
+ CCI_I2C_REPORT_CMD,
+ CCI_I2C_WRITE_CMD,
+ CCI_I2C_READ_CMD,
+ CCI_I2C_WRITE_DISABLE_P_CMD,
+ CCI_I2C_READ_DISABLE_P_CMD,
+ CCI_I2C_WRITE_CMD2,
+ CCI_I2C_WRITE_CMD3,
+ CCI_I2C_REPEAT_CMD,
+ CCI_I2C_INVALID_CMD,
+};
+
+enum msm_cci_gpio_cmd_type {
+ CCI_GPIO_SET_PARAM_CMD = 1,
+ CCI_GPIO_WAIT_CMD,
+ CCI_GPIO_WAIT_SYNC_CMD,
+ CCI_GPIO_WAIT_GPIO_IN_EVENT_CMD,
+ CCI_GPIO_WAIT_I2C_Q_TRIG_EVENT_CMD,
+ CCI_GPIO_OUT_CMD,
+ CCI_GPIO_TRIG_EVENT_CMD,
+ CCI_GPIO_REPORT_CMD,
+ CCI_GPIO_REPEAT_CMD,
+ CCI_GPIO_CONTINUE_CMD,
+ CCI_GPIO_INVALID_CMD,
+};
+
+#ifdef CONFIG_MSM_CCI
+struct v4l2_subdev *msm_cci_get_subdev(void);
+
+int32_t msm_cci_ctrl_init(void);
+int32_t msm_cci_ctrl_release(void);
+int32_t msm_cci_ctrl_read(u16 addr, const char *buf, int count);
+int32_t msm_cci_ctrl_write(u16 addr, const char *buf, int count);
+
+#else
+static inline struct v4l2_subdev *msm_cci_get_subdev(void) {
+ return NULL;
+}
+#endif
+
+#define VIDIOC_MSM_CCI_CFG \
+ _IOWR('V', BASE_VIDIOC_PRIVATE + 23, struct msm_camera_cci_ctrl *)
+
+#endif
projects / karo-tx-linux.git / blobdiff