Release 4.7 drivers/hid/hid-picolcd.h
/***************************************************************************
* Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
* *
* Based on Logitech G13 driver (v0.4) *
* Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, version 2 of the License. *
* *
* This driver 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. *
* *
* You should have received a copy of the GNU General Public License *
* along with this software. If not see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#define PICOLCD_NAME "PicoLCD (graphic)"
/* Report numbers */
#define REPORT_ERROR_CODE 0x10
/* LCD: IN[16] */
#define ERR_SUCCESS 0x00
#define ERR_PARAMETER_MISSING 0x01
#define ERR_DATA_MISSING 0x02
#define ERR_BLOCK_READ_ONLY 0x03
#define ERR_BLOCK_NOT_ERASABLE 0x04
#define ERR_BLOCK_TOO_BIG 0x05
#define ERR_SECTION_OVERFLOW 0x06
#define ERR_INVALID_CMD_LEN 0x07
#define ERR_INVALID_DATA_LEN 0x08
#define REPORT_KEY_STATE 0x11
/* LCD: IN[2] */
#define REPORT_IR_DATA 0x21
/* LCD: IN[63] */
#define REPORT_EE_DATA 0x32
/* LCD: IN[63] */
#define REPORT_MEMORY 0x41
/* LCD: IN[63] */
#define REPORT_LED_STATE 0x81
/* LCD: OUT[1] */
#define REPORT_BRIGHTNESS 0x91
/* LCD: OUT[1] */
#define REPORT_CONTRAST 0x92
/* LCD: OUT[1] */
#define REPORT_RESET 0x93
/* LCD: OUT[2] */
#define REPORT_LCD_CMD 0x94
/* LCD: OUT[63] */
#define REPORT_LCD_DATA 0x95
/* LCD: OUT[63] */
#define REPORT_LCD_CMD_DATA 0x96
/* LCD: OUT[63] */
#define REPORT_EE_READ 0xa3
/* LCD: OUT[63] */
#define REPORT_EE_WRITE 0xa4
/* LCD: OUT[63] */
#define REPORT_ERASE_MEMORY 0xb2
/* LCD: OUT[2] */
#define REPORT_READ_MEMORY 0xb3
/* LCD: OUT[3] */
#define REPORT_WRITE_MEMORY 0xb4
/* LCD: OUT[63] */
#define REPORT_SPLASH_RESTART 0xc1
/* LCD: OUT[1] */
#define REPORT_EXIT_KEYBOARD 0xef
/* LCD: OUT[2] */
#define REPORT_VERSION 0xf1
/* LCD: IN[2],OUT[1] Bootloader: IN[2],OUT[1] */
#define REPORT_BL_ERASE_MEMORY 0xf2
/* Bootloader: IN[36],OUT[4] */
#define REPORT_BL_READ_MEMORY 0xf3
/* Bootloader: IN[36],OUT[4] */
#define REPORT_BL_WRITE_MEMORY 0xf4
/* Bootloader: IN[36],OUT[36] */
#define REPORT_DEVID 0xf5
/* LCD: IN[5], OUT[1] Bootloader: IN[5],OUT[1] */
#define REPORT_SPLASH_SIZE 0xf6
/* LCD: IN[4], OUT[1] */
#define REPORT_HOOK_VERSION 0xf7
/* LCD: IN[2], OUT[1] */
#define REPORT_EXIT_FLASHER 0xff
/* Bootloader: OUT[2] */
/* Description of in-progress IO operation, used for operations
* that trigger response from device */
struct picolcd_pending {
struct hid_report *out_report;
struct hid_report *in_report;
struct completion ready;
int raw_size;
u8 raw_data[64];
};
#define PICOLCD_KEYS 17
/* Per device data structure */
struct picolcd_data {
struct hid_device *hdev;
#ifdef CONFIG_DEBUG_FS
struct dentry *debug_reset;
struct dentry *debug_eeprom;
struct dentry *debug_flash;
struct mutex mutex_flash;
int addr_sz;
#endif
u8 version[2];
unsigned short opmode_delay;
/* input stuff */
u8 pressed_keys[2];
struct input_dev *input_keys;
#ifdef CONFIG_HID_PICOLCD_CIR
struct rc_dev *rc_dev;
#endif
unsigned short keycode[PICOLCD_KEYS];
#ifdef CONFIG_HID_PICOLCD_FB
/* Framebuffer stuff */
struct fb_info *fb_info;
#endif /* CONFIG_HID_PICOLCD_FB */
#ifdef CONFIG_HID_PICOLCD_LCD
struct lcd_device *lcd;
u8 lcd_contrast;
#endif /* CONFIG_HID_PICOLCD_LCD */
#ifdef CONFIG_HID_PICOLCD_BACKLIGHT
struct backlight_device *backlight;
u8 lcd_brightness;
u8 lcd_power;
#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
#ifdef CONFIG_HID_PICOLCD_LEDS
/* LED stuff */
u8 led_state;
struct led_classdev *led[8];
#endif /* CONFIG_HID_PICOLCD_LEDS */
/* Housekeeping stuff */
spinlock_t lock;
struct mutex mutex;
struct picolcd_pending *pending;
int status;
#define PICOLCD_BOOTLOADER 1
#define PICOLCD_FAILED 2
#define PICOLCD_CIR_SHUN 4
};
#ifdef CONFIG_HID_PICOLCD_FB
struct picolcd_fb_data {
/* Framebuffer stuff */
spinlock_t lock;
struct picolcd_data *picolcd;
u8 update_rate;
u8 bpp;
u8 force;
u8 ready;
u8 *vbitmap; /* local copy of what was sent to PicoLCD */
u8 *bitmap; /* framebuffer */
};
#endif /* CONFIG_HID_PICOLCD_FB */
/* Find a given report */
#define picolcd_in_report(id, dev) picolcd_report(id, dev, HID_INPUT_REPORT)
#define picolcd_out_report(id, dev) picolcd_report(id, dev, HID_OUTPUT_REPORT)
struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir);
#ifdef CONFIG_DEBUG_FS
void picolcd_debug_out_report(struct picolcd_data *data,
struct hid_device *hdev, struct hid_report *report);
#define hid_hw_request(a, b, c) \
do { \
picolcd_debug_out_report(hid_get_drvdata(a), a, b); \
hid_hw_request(a, b, c); \
} while (0)
void picolcd_debug_raw_event(struct picolcd_data *data,
struct hid_device *hdev, struct hid_report *report,
u8 *raw_data, int size);
void picolcd_init_devfs(struct picolcd_data *data,
struct hid_report *eeprom_r, struct hid_report *eeprom_w,
struct hid_report *flash_r, struct hid_report *flash_w,
struct hid_report *reset);
void picolcd_exit_devfs(struct picolcd_data *data);
#else
static inline void picolcd_debug_out_report(struct picolcd_data *data,
struct hid_device *hdev, struct hid_report *report)
{
}
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static inline void picolcd_debug_raw_event(struct picolcd_data *data,
struct hid_device *hdev, struct hid_report *report,
u8 *raw_data, int size)
{
}
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static inline void picolcd_init_devfs(struct picolcd_data *data,
struct hid_report *eeprom_r, struct hid_report *eeprom_w,
struct hid_report *flash_r, struct hid_report *flash_w,
struct hid_report *reset)
{
}
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static inline void picolcd_exit_devfs(struct picolcd_data *data)
{
}
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#endif /* CONFIG_DEBUG_FS */
#ifdef CONFIG_HID_PICOLCD_FB
int picolcd_fb_reset(struct picolcd_data *data, int clear);
int picolcd_init_framebuffer(struct picolcd_data *data);
void picolcd_exit_framebuffer(struct picolcd_data *data);
void picolcd_fb_refresh(struct picolcd_data *data);
#define picolcd_fbinfo(d) ((d)->fb_info)
#else
static inline int picolcd_fb_reset(struct picolcd_data *data, int clear)
{
return 0;
}
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static inline int picolcd_init_framebuffer(struct picolcd_data *data)
{
return 0;
}
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static inline void picolcd_exit_framebuffer(struct picolcd_data *data)
{
}
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static inline void picolcd_fb_refresh(struct picolcd_data *data)
{
}
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#define picolcd_fbinfo(d) NULL
#endif /* CONFIG_HID_PICOLCD_FB */
#ifdef CONFIG_HID_PICOLCD_BACKLIGHT
int picolcd_init_backlight(struct picolcd_data *data,
struct hid_report *report);
void picolcd_exit_backlight(struct picolcd_data *data);
int picolcd_resume_backlight(struct picolcd_data *data);
void picolcd_suspend_backlight(struct picolcd_data *data);
#else
static inline int picolcd_init_backlight(struct picolcd_data *data,
struct hid_report *report)
{
return 0;
}
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static inline void picolcd_exit_backlight(struct picolcd_data *data)
{
}
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static inline int picolcd_resume_backlight(struct picolcd_data *data)
{
return 0;
}
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static inline void picolcd_suspend_backlight(struct picolcd_data *data)
{
}
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#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
#ifdef CONFIG_HID_PICOLCD_LCD
int picolcd_init_lcd(struct picolcd_data *data,
struct hid_report *report);
void picolcd_exit_lcd(struct picolcd_data *data);
int picolcd_resume_lcd(struct picolcd_data *data);
#else
static inline int picolcd_init_lcd(struct picolcd_data *data,
struct hid_report *report)
{
return 0;
}
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static inline void picolcd_exit_lcd(struct picolcd_data *data)
{
}
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static inline int picolcd_resume_lcd(struct picolcd_data *data)
{
return 0;
}
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#endif /* CONFIG_HID_PICOLCD_LCD */
#ifdef CONFIG_HID_PICOLCD_LEDS
int picolcd_init_leds(struct picolcd_data *data,
struct hid_report *report);
void picolcd_exit_leds(struct picolcd_data *data);
void picolcd_leds_set(struct picolcd_data *data);
#else
static inline int picolcd_init_leds(struct picolcd_data *data,
struct hid_report *report)
{
return 0;
}
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static inline void picolcd_exit_leds(struct picolcd_data *data)
{
}
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static inline void picolcd_leds_set(struct picolcd_data *data)
{
}
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#endif /* CONFIG_HID_PICOLCD_LEDS */
#ifdef CONFIG_HID_PICOLCD_CIR
int picolcd_raw_cir(struct picolcd_data *data,
struct hid_report *report, u8 *raw_data, int size);
int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report);
void picolcd_exit_cir(struct picolcd_data *data);
#else
static inline int picolcd_raw_cir(struct picolcd_data *data,
struct hid_report *report, u8 *raw_data, int size)
{
return 1;
}
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static inline int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report)
{
return 0;
}
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static inline void picolcd_exit_cir(struct picolcd_data *data)
{
}
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#endif /* CONFIG_HID_PICOLCD_CIR */
int picolcd_reset(struct hid_device *hdev);
struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev,
int report_id, const u8 *raw_data, int size);
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