diff options
Diffstat (limited to 'drivers/platform/cznic/turris-omnia-mcu.h')
-rw-r--r-- | drivers/platform/cznic/turris-omnia-mcu.h | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/drivers/platform/cznic/turris-omnia-mcu.h b/drivers/platform/cznic/turris-omnia-mcu.h index 2b13e28ee323..088541be3f4c 100644 --- a/drivers/platform/cznic/turris-omnia-mcu.h +++ b/drivers/platform/cznic/turris-omnia-mcu.h @@ -8,7 +8,6 @@ #ifndef __TURRIS_OMNIA_MCU_H #define __TURRIS_OMNIA_MCU_H -#include <linux/bitops.h> #include <linux/completion.h> #include <linux/gpio/driver.h> #include <linux/hw_random.h> @@ -17,8 +16,6 @@ #include <linux/types.h> #include <linux/watchdog.h> #include <linux/workqueue.h> -#include <asm/byteorder.h> -#include <linux/unaligned.h> struct i2c_client; struct rtc_device; @@ -93,133 +90,6 @@ struct omnia_mcu { #endif }; -int omnia_cmd_write_read(const struct i2c_client *client, - void *cmd, unsigned int cmd_len, - void *reply, unsigned int reply_len); - -static inline int omnia_cmd_write(const struct i2c_client *client, void *cmd, - unsigned int len) -{ - return omnia_cmd_write_read(client, cmd, len, NULL, 0); -} - -static inline int omnia_cmd_write_u8(const struct i2c_client *client, u8 cmd, - u8 val) -{ - u8 buf[2] = { cmd, val }; - - return omnia_cmd_write(client, buf, sizeof(buf)); -} - -static inline int omnia_cmd_write_u16(const struct i2c_client *client, u8 cmd, - u16 val) -{ - u8 buf[3]; - - buf[0] = cmd; - put_unaligned_le16(val, &buf[1]); - - return omnia_cmd_write(client, buf, sizeof(buf)); -} - -static inline int omnia_cmd_write_u32(const struct i2c_client *client, u8 cmd, - u32 val) -{ - u8 buf[5]; - - buf[0] = cmd; - put_unaligned_le32(val, &buf[1]); - - return omnia_cmd_write(client, buf, sizeof(buf)); -} - -static inline int omnia_cmd_read(const struct i2c_client *client, u8 cmd, - void *reply, unsigned int len) -{ - return omnia_cmd_write_read(client, &cmd, 1, reply, len); -} - -static inline unsigned int -omnia_compute_reply_length(unsigned long mask, bool interleaved, - unsigned int offset) -{ - if (!mask) - return 0; - - return ((__fls(mask) >> 3) << interleaved) + 1 + offset; -} - -/* Returns 0 on success */ -static inline int omnia_cmd_read_bits(const struct i2c_client *client, u8 cmd, - unsigned long bits, unsigned long *dst) -{ - __le32 reply; - int err; - - if (!bits) { - *dst = 0; - return 0; - } - - err = omnia_cmd_read(client, cmd, &reply, - omnia_compute_reply_length(bits, false, 0)); - if (err) - return err; - - *dst = le32_to_cpu(reply) & bits; - - return 0; -} - -static inline int omnia_cmd_read_bit(const struct i2c_client *client, u8 cmd, - unsigned long bit) -{ - unsigned long reply; - int err; - - err = omnia_cmd_read_bits(client, cmd, bit, &reply); - if (err) - return err; - - return !!reply; -} - -static inline int omnia_cmd_read_u32(const struct i2c_client *client, u8 cmd, - u32 *dst) -{ - __le32 reply; - int err; - - err = omnia_cmd_read(client, cmd, &reply, sizeof(reply)); - if (err) - return err; - - *dst = le32_to_cpu(reply); - - return 0; -} - -static inline int omnia_cmd_read_u16(const struct i2c_client *client, u8 cmd, - u16 *dst) -{ - __le16 reply; - int err; - - err = omnia_cmd_read(client, cmd, &reply, sizeof(reply)); - if (err) - return err; - - *dst = le16_to_cpu(reply); - - return 0; -} - -static inline int omnia_cmd_read_u8(const struct i2c_client *client, u8 cmd, - u8 *reply) -{ - return omnia_cmd_read(client, cmd, reply, sizeof(*reply)); -} - #ifdef CONFIG_TURRIS_OMNIA_MCU_GPIO extern const u8 omnia_int_to_gpio_idx[32]; extern const struct attribute_group omnia_mcu_gpio_group; |