![Cristian Kubis](/assets/img/avatar_default.png)
Add missing function argument identifier names as suggested by checkpatch.pl. Signed-off-by: Cristian Kubis <cristian.kubis@tsunix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef OLPC_DCON_H_
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#define OLPC_DCON_H_
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#include <linux/notifier.h>
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#include <linux/workqueue.h>
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/* DCON registers */
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#define DCON_REG_ID 0
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#define DCON_REG_MODE 1
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#define MODE_PASSTHRU BIT(0)
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#define MODE_SLEEP BIT(1)
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#define MODE_SLEEP_AUTO BIT(2)
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#define MODE_BL_ENABLE BIT(3)
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#define MODE_BLANK BIT(4)
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#define MODE_CSWIZZLE BIT(5)
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#define MODE_COL_AA BIT(6)
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#define MODE_MONO_LUMA BIT(7)
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#define MODE_SCAN_INT BIT(8)
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#define MODE_CLOCKDIV BIT(9)
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#define MODE_DEBUG BIT(14)
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#define MODE_SELFTEST BIT(15)
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#define DCON_REG_HRES 0x2
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#define DCON_REG_HTOTAL 0x3
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#define DCON_REG_HSYNC_WIDTH 0x4
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#define DCON_REG_VRES 0x5
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#define DCON_REG_VTOTAL 0x6
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#define DCON_REG_VSYNC_WIDTH 0x7
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#define DCON_REG_TIMEOUT 0x8
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#define DCON_REG_SCAN_INT 0x9
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#define DCON_REG_BRIGHT 0xa
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#define DCON_REG_MEM_OPT_A 0x41
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#define DCON_REG_MEM_OPT_B 0x42
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/* Load Delay Locked Loop (DLL) settings for clock delay */
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#define MEM_DLL_CLOCK_DELAY BIT(0)
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/* Memory controller power down function */
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#define MEM_POWER_DOWN BIT(8)
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/* Memory controller software reset */
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#define MEM_SOFT_RESET BIT(0)
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/* Status values */
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#define DCONSTAT_SCANINT 0
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#define DCONSTAT_SCANINT_DCON 1
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#define DCONSTAT_DISPLAYLOAD 2
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#define DCONSTAT_MISSED 3
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/* Source values */
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#define DCON_SOURCE_DCON 0
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#define DCON_SOURCE_CPU 1
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/* Interrupt */
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#define DCON_IRQ 6
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struct dcon_priv {
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struct i2c_client *client;
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struct fb_info *fbinfo;
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struct backlight_device *bl_dev;
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wait_queue_head_t waitq;
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struct work_struct switch_source;
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struct notifier_block reboot_nb;
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/* Shadow register for the DCON_REG_MODE register */
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u8 disp_mode;
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/* The current backlight value - this saves us some smbus traffic */
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u8 bl_val;
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/* Current source, initialized at probe time */
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int curr_src;
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/* Desired source */
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int pending_src;
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/* Variables used during switches */
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bool switched;
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ktime_t irq_time;
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ktime_t load_time;
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/* Current output type; true == mono, false == color */
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bool mono;
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bool asleep;
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/* This get set while controlling fb blank state from the driver */
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bool ignore_fb_events;
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};
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struct dcon_platform_data {
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int (*init)(struct dcon_priv *dcon);
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void (*bus_stabilize_wiggle)(void);
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void (*set_dconload)(int load);
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int (*read_status)(u8 *status);
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};
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#include <linux/interrupt.h>
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irqreturn_t dcon_interrupt(int irq, void *id);
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#ifdef CONFIG_FB_OLPC_DCON_1
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extern struct dcon_platform_data dcon_pdata_xo_1;
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#endif
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#ifdef CONFIG_FB_OLPC_DCON_1_5
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extern struct dcon_platform_data dcon_pdata_xo_1_5;
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#endif
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#endif
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