diff options
Diffstat (limited to 'drivers/gpu/drm/loongson/lsdc_i2c.h')
| -rw-r--r-- | drivers/gpu/drm/loongson/lsdc_i2c.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/loongson/lsdc_i2c.h b/drivers/gpu/drm/loongson/lsdc_i2c.h new file mode 100644 index 000000000000..88cd1a1817a5 --- /dev/null +++ b/drivers/gpu/drm/loongson/lsdc_i2c.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2023 Loongson Technology Corporation Limited + */ + +#ifndef __LSDC_I2C_H__ +#define __LSDC_I2C_H__ + +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> + +struct lsdc_i2c { + struct i2c_adapter adapter; + struct i2c_algo_bit_data bit; + struct drm_device *ddev; + void __iomem *dir_reg; + void __iomem *dat_reg; + /* pin bit mask */ + u8 sda; + u8 scl; +}; + +struct lsdc_display_pipe; + +int lsdc_create_i2c_chan(struct drm_device *ddev, + struct lsdc_display_pipe *dispipe, + unsigned int index); + +#endif |