[linux-block.git] / 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;
	struct input_dev *input_cir;
	unsigned short keycode[PICOLCD_KEYS];

#ifdef CONFIG_HID_PICOLCD_FB
	/* Framebuffer stuff */
	u8 fb_update_rate;
	u8 fb_bpp;
	u8 fb_force;
	u8 *fb_vbitmap;		/* local copy of what was sent to PicoLCD */
	u8 *fb_bitmap;		/* framebuffer */
	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_READY_FB 4
};


/* 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 usbhid_submit_report(a, b, c) \
	do { \
		picolcd_debug_out_report(hid_get_drvdata(a), a, b); \
		usbhid_submit_report(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_raw_event(struct picolcd_data *data,
		struct hid_device *hdev, struct hid_report *report,
		u8 *raw_data, int size)
{
}
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)
{
}
static inline void picolcd_exit_devfs(struct picolcd_data *data)
{
}
static inline void picolcd_debug_raw_event(struct picolcd_data *data,
		struct hid_device *hdev, struct hid_report *report,
		u8 *raw_data, int size)
{
}
#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;
}
static inline int picolcd_init_framebuffer(struct picolcd_data *data)
{
	return 0;
}
static inline void picolcd_exit_framebuffer(struct picolcd_data *data)
{
}
static inline void picolcd_fb_refresh(struct picolcd_data *data)
{
}
#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;
}
static inline void picolcd_exit_backlight(struct picolcd_data *data)
{
}
static inline int picolcd_resume_backlight(struct picolcd_data *data)
{
	return 0;
}
static inline void picolcd_suspend_backlight(struct picolcd_data *data)
{
}

#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;
}
static inline void picolcd_exit_lcd(struct picolcd_data *data)
{
}
static inline int picolcd_resume_lcd(struct picolcd_data *data)
{
	return 0;
}
#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;
}
static inline void picolcd_exit_leds(struct picolcd_data *data)
{
}
static inline void picolcd_leds_set(struct picolcd_data *data)
{
}
#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;
}
static inline int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report)
{
	return 0;
}
static inline void picolcd_exit_cir(struct picolcd_data *data)
{
}
#endif /* CONFIG_HID_PICOLCD_LIRC */

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);
Commit	Line	Data
fabdbf2f BP	1	/***************************************************************************
	2	* Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
	3	* *
	4	* Based on Logitech G13 driver (v0.4) *
	5	* Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
	6	* *
	7	* This program is free software: you can redistribute it and/or modify *
	8	* it under the terms of the GNU General Public License as published by *
	9	* the Free Software Foundation, version 2 of the License. *
	10	* *
	11	* This driver is distributed in the hope that it will be useful, but *
	12	* WITHOUT ANY WARRANTY; without even the implied warranty of *
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
	14	* General Public License for more details. *
	15	* *
	16	* You should have received a copy of the GNU General Public License *
	17	* along with this software. If not see <http://www.gnu.org/licenses/>. *
	18	***************************************************************************/
	19
	20	#define PICOLCD_NAME "PicoLCD (graphic)"
	21
	22	/* Report numbers */
	23	#define REPORT_ERROR_CODE 0x10 /* LCD: IN[16] */
	24	#define ERR_SUCCESS 0x00
	25	#define ERR_PARAMETER_MISSING 0x01
	26	#define ERR_DATA_MISSING 0x02
	27	#define ERR_BLOCK_READ_ONLY 0x03
	28	#define ERR_BLOCK_NOT_ERASABLE 0x04
	29	#define ERR_BLOCK_TOO_BIG 0x05
	30	#define ERR_SECTION_OVERFLOW 0x06
	31	#define ERR_INVALID_CMD_LEN 0x07
	32	#define ERR_INVALID_DATA_LEN 0x08
	33	#define REPORT_KEY_STATE 0x11 /* LCD: IN[2] */
	34	#define REPORT_IR_DATA 0x21 /* LCD: IN[63] */
	35	#define REPORT_EE_DATA 0x32 /* LCD: IN[63] */
	36	#define REPORT_MEMORY 0x41 /* LCD: IN[63] */
	37	#define REPORT_LED_STATE 0x81 /* LCD: OUT[1] */
	38	#define REPORT_BRIGHTNESS 0x91 /* LCD: OUT[1] */
	39	#define REPORT_CONTRAST 0x92 /* LCD: OUT[1] */
	40	#define REPORT_RESET 0x93 /* LCD: OUT[2] */
	41	#define REPORT_LCD_CMD 0x94 /* LCD: OUT[63] */
	42	#define REPORT_LCD_DATA 0x95 /* LCD: OUT[63] */
	43	#define REPORT_LCD_CMD_DATA 0x96 /* LCD: OUT[63] */
	44	#define REPORT_EE_READ 0xa3 /* LCD: OUT[63] */
	45	#define REPORT_EE_WRITE 0xa4 /* LCD: OUT[63] */
	46	#define REPORT_ERASE_MEMORY 0xb2 /* LCD: OUT[2] */
	47	#define REPORT_READ_MEMORY 0xb3 /* LCD: OUT[3] */
	48	#define REPORT_WRITE_MEMORY 0xb4 /* LCD: OUT[63] */
	49	#define REPORT_SPLASH_RESTART 0xc1 /* LCD: OUT[1] */
	50	#define REPORT_EXIT_KEYBOARD 0xef /* LCD: OUT[2] */
	51	#define REPORT_VERSION 0xf1 /* LCD: IN[2],OUT[1] Bootloader: IN[2],OUT[1] */
	52	#define REPORT_BL_ERASE_MEMORY 0xf2 /* Bootloader: IN[36],OUT[4] */
	53	#define REPORT_BL_READ_MEMORY 0xf3 /* Bootloader: IN[36],OUT[4] */
	54	#define REPORT_BL_WRITE_MEMORY 0xf4 /* Bootloader: IN[36],OUT[36] */
	55	#define REPORT_DEVID 0xf5 /* LCD: IN[5], OUT[1] Bootloader: IN[5],OUT[1] */
	56	#define REPORT_SPLASH_SIZE 0xf6 /* LCD: IN[4], OUT[1] */
	57	#define REPORT_HOOK_VERSION 0xf7 /* LCD: IN[2], OUT[1] */
	58	#define REPORT_EXIT_FLASHER 0xff /* Bootloader: OUT[2] */
	59
	60	/* Description of in-progress IO operation, used for operations
	61	* that trigger response from device */
	62	struct picolcd_pending {
	63	struct hid_report *out_report;
	64	struct hid_report *in_report;
65	struct completion ready;
66	int raw_size;
67	u8 raw_data[64];
68	};
69
70
71	#define PICOLCD_KEYS 17
72
73	/* Per device data structure */
74	struct picolcd_data {
75	struct hid_device *hdev;
76	#ifdef CONFIG_DEBUG_FS
77	struct dentry *debug_reset;
78	struct dentry *debug_eeprom;
79	struct dentry *debug_flash;
80	struct mutex mutex_flash;
81	int addr_sz;
82	#endif
83	u8 version[2];
84	unsigned short opmode_delay;
85	/* input stuff */
86	u8 pressed_keys[2];
87	struct input_dev *input_keys;
88	struct input_dev *input_cir;
89	unsigned short keycode[PICOLCD_KEYS];
90
91	#ifdef CONFIG_HID_PICOLCD_FB
92	/* Framebuffer stuff */
93	u8 fb_update_rate;
94	u8 fb_bpp;
95	u8 fb_force;
96	u8 fb_vbitmap; / local copy of what was sent to PicoLCD */
97	u8 fb_bitmap; / framebuffer */
98	struct fb_info *fb_info;
fabdbf2f BP	99	#endif /* CONFIG_HID_PICOLCD_FB */
	100	#ifdef CONFIG_HID_PICOLCD_LCD
	101	struct lcd_device *lcd;
	102	u8 lcd_contrast;
	103	#endif /* CONFIG_HID_PICOLCD_LCD */
	104	#ifdef CONFIG_HID_PICOLCD_BACKLIGHT
	105	struct backlight_device *backlight;
	106	u8 lcd_brightness;
	107	u8 lcd_power;
	108	#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
	109	#ifdef CONFIG_HID_PICOLCD_LEDS
	110	/* LED stuff */
	111	u8 led_state;
	112	struct led_classdev *led[8];
	113	#endif /* CONFIG_HID_PICOLCD_LEDS */
	114
	115	/* Housekeeping stuff */
	116	spinlock_t lock;
	117	struct mutex mutex;
	118	struct picolcd_pending *pending;
	119	int status;
	120	#define PICOLCD_BOOTLOADER 1
	121	#define PICOLCD_FAILED 2
	122	#define PICOLCD_READY_FB 4
	123	};
	124
	125
	126	/* Find a given report */
	127	#define picolcd_in_report(id, dev) picolcd_report(id, dev, HID_INPUT_REPORT)
	128	#define picolcd_out_report(id, dev) picolcd_report(id, dev, HID_OUTPUT_REPORT)
	129
	130	struct hid_report picolcd_report(int id, struct hid_device hdev, int dir);
	131
	132	#ifdef CONFIG_DEBUG_FS
	133	void picolcd_debug_out_report(struct picolcd_data *data,
	134	struct hid_device hdev, struct hid_report report);
	135	#define usbhid_submit_report(a, b, c) \
	136	do { \
	137	picolcd_debug_out_report(hid_get_drvdata(a), a, b); \
	138	usbhid_submit_report(a, b, c); \
	139	} while (0)
	140
	141	void picolcd_debug_raw_event(struct picolcd_data *data,
	142	struct hid_device hdev, struct hid_report report,
	143	u8 *raw_data, int size);
	144
	145	void picolcd_init_devfs(struct picolcd_data *data,
	146	struct hid_report eeprom_r, struct hid_report eeprom_w,
	147	struct hid_report flash_r, struct hid_report flash_w,
	148	struct hid_report *reset);
	149
	150	void picolcd_exit_devfs(struct picolcd_data *data);
	151	#else
	152	static inline void picolcd_debug_raw_event(struct picolcd_data *data,
	153	struct hid_device hdev, struct hid_report report,
	154	u8 *raw_data, int size)
	155	{
	156	}
	157	static inline void picolcd_init_devfs(struct picolcd_data *data,
	158	struct hid_report eeprom_r, struct hid_report eeprom_w,
	159	struct hid_report flash_r, struct hid_report flash_w,
	160	struct hid_report *reset)
	161	{
	162	}
163	static inline void picolcd_exit_devfs(struct picolcd_data *data)
164	{
165	}
166	static inline void picolcd_debug_raw_event(struct picolcd_data *data,
167	struct hid_device hdev, struct hid_report report,
168	u8 *raw_data, int size)
169	{
170	}
171	#endif /* CONFIG_DEBUG_FS */
172
173
174	#ifdef CONFIG_HID_PICOLCD_FB
175	int picolcd_fb_reset(struct picolcd_data *data, int clear);
176
177	int picolcd_init_framebuffer(struct picolcd_data *data);
178
179	void picolcd_exit_framebuffer(struct picolcd_data *data);
180
fabdbf2f BP	181	void picolcd_fb_refresh(struct picolcd_data *data);
	182	#define picolcd_fbinfo(d) ((d)->fb_info)
	183	#else
	184	static inline int picolcd_fb_reset(struct picolcd_data *data, int clear)
	185	{
	186	return 0;
	187	}
	188	static inline int picolcd_init_framebuffer(struct picolcd_data *data)
	189	{
	190	return 0;
	191	}
	192	static inline void picolcd_exit_framebuffer(struct picolcd_data *data)
	193	{
	194	}
fabdbf2f BP	195	static inline void picolcd_fb_refresh(struct picolcd_data *data)
	196	{
	197	}
	198	#define picolcd_fbinfo(d) NULL
	199	#endif /* CONFIG_HID_PICOLCD_FB */
	200
	201
	202	#ifdef CONFIG_HID_PICOLCD_BACKLIGHT
	203	int picolcd_init_backlight(struct picolcd_data *data,
	204	struct hid_report *report);
	205
	206	void picolcd_exit_backlight(struct picolcd_data *data);
	207
	208	int picolcd_resume_backlight(struct picolcd_data *data);
	209
	210	void picolcd_suspend_backlight(struct picolcd_data *data);
	211	#else
	212	static inline int picolcd_init_backlight(struct picolcd_data *data,
	213	struct hid_report *report)
	214	{
	215	return 0;
	216	}
	217	static inline void picolcd_exit_backlight(struct picolcd_data *data)
	218	{
	219	}
	220	static inline int picolcd_resume_backlight(struct picolcd_data *data)
	221	{
	222	return 0;
	223	}
	224	static inline void picolcd_suspend_backlight(struct picolcd_data *data)
	225	{
	226	}
	227
	228	#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */
	229
	230
	231	#ifdef CONFIG_HID_PICOLCD_LCD
	232	int picolcd_init_lcd(struct picolcd_data *data,
	233	struct hid_report *report);
	234
	235	void picolcd_exit_lcd(struct picolcd_data *data);
	236
	237	int picolcd_resume_lcd(struct picolcd_data *data);
	238	#else
	239	static inline int picolcd_init_lcd(struct picolcd_data *data,
	240	struct hid_report *report)
	241	{
	242	return 0;
	243	}
	244	static inline void picolcd_exit_lcd(struct picolcd_data *data)
	245	{
	246	}
	247	static inline int picolcd_resume_lcd(struct picolcd_data *data)
	248	{
	249	return 0;
	250	}
	251	#endif /* CONFIG_HID_PICOLCD_LCD */
	252
	253
	254	#ifdef CONFIG_HID_PICOLCD_LEDS
	255	int picolcd_init_leds(struct picolcd_data *data,
	256	struct hid_report *report);
	257
	258	void picolcd_exit_leds(struct picolcd_data *data);
259
260	void picolcd_leds_set(struct picolcd_data *data);
261	#else
262	static inline int picolcd_init_leds(struct picolcd_data *data,
263	struct hid_report *report)
264	{
265	return 0;
266	}
267	static inline void picolcd_exit_leds(struct picolcd_data *data)
268	{
269	}
270	static inline void picolcd_leds_set(struct picolcd_data *data)
271	{
272	}
273	#endif /* CONFIG_HID_PICOLCD_LEDS */
274
275
276	#ifdef CONFIG_HID_PICOLCD_CIR
277	int picolcd_raw_cir(struct picolcd_data *data,
278	struct hid_report report, u8 raw_data, int size);
279
280	int picolcd_init_cir(struct picolcd_data data, struct hid_report report);
281
282	void picolcd_exit_cir(struct picolcd_data *data);
283	#else
284	static inline int picolcd_raw_cir(struct picolcd_data *data,
285	struct hid_report report, u8 raw_data, int size)
286	{
287	return 1;
288	}
289	static inline int picolcd_init_cir(struct picolcd_data data, struct hid_report report)
290	{
291	return 0;
292	}
293	static inline void picolcd_exit_cir(struct picolcd_data *data)
294	{
295	}
296	#endif /* CONFIG_HID_PICOLCD_LIRC */
297
298	int picolcd_reset(struct hid_device *hdev);
299	struct picolcd_pending picolcd_send_and_wait(struct hid_device hdev,
300	int report_id, const u8 *raw_data, int size);