1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 #ifndef _ZL3073X_OUT_H 4 #define _ZL3073X_OUT_H 5 6 #include <linux/bitfield.h> 7 #include <linux/types.h> 8 9 #include "regs.h" 10 11 struct zl3073x_dev; 12 13 /** 14 * struct zl3073x_out - output state 15 * @div: output divisor 16 * @width: output pulse width 17 * @esync_n_period: embedded sync or n-pin period (for n-div formats) 18 * @esync_n_width: embedded sync or n-pin pulse width 19 * @phase_comp: phase compensation 20 * @ctrl: output control 21 * @mode: output mode 22 */ 23 struct zl3073x_out { 24 u32 div; 25 u32 width; 26 u32 esync_n_period; 27 u32 esync_n_width; 28 s32 phase_comp; 29 u8 ctrl; 30 u8 mode; 31 }; 32 33 int zl3073x_out_state_fetch(struct zl3073x_dev *zldev, u8 index); 34 const struct zl3073x_out *zl3073x_out_state_get(struct zl3073x_dev *zldev, 35 u8 index); 36 37 int zl3073x_out_state_set(struct zl3073x_dev *zldev, u8 index, 38 const struct zl3073x_out *out); 39 40 /** 41 * zl3073x_out_signal_format_get - get output signal format 42 * @out: pointer to out state 43 * 44 * Return: signal format of given output 45 */ 46 static inline u8 zl3073x_out_signal_format_get(const struct zl3073x_out *out) 47 { 48 return FIELD_GET(ZL_OUTPUT_MODE_SIGNAL_FORMAT, out->mode); 49 } 50 51 /** 52 * zl3073x_out_is_diff - check if the given output is differential 53 * @out: pointer to out state 54 * 55 * Return: true if output is differential, false if output is single-ended 56 */ 57 static inline bool zl3073x_out_is_diff(const struct zl3073x_out *out) 58 { 59 switch (zl3073x_out_signal_format_get(out)) { 60 case ZL_OUTPUT_MODE_SIGNAL_FORMAT_LVDS: 61 case ZL_OUTPUT_MODE_SIGNAL_FORMAT_DIFF: 62 case ZL_OUTPUT_MODE_SIGNAL_FORMAT_LOWVCM: 63 return true; 64 default: 65 break; 66 } 67 68 return false; 69 } 70 71 /** 72 * zl3073x_out_is_enabled - check if the given output is enabled 73 * @out: pointer to out state 74 * 75 * Return: true if output is enabled, false if output is disabled 76 */ 77 static inline bool zl3073x_out_is_enabled(const struct zl3073x_out *out) 78 { 79 return !!FIELD_GET(ZL_OUTPUT_CTRL_EN, out->ctrl); 80 } 81 82 /** 83 * zl3073x_out_synth_get - get synth connected to given output 84 * @out: pointer to out state 85 * 86 * Return: index of synth connected to given output. 87 */ 88 static inline u8 zl3073x_out_synth_get(const struct zl3073x_out *out) 89 { 90 return FIELD_GET(ZL_OUTPUT_CTRL_SYNTH_SEL, out->ctrl); 91 } 92 93 #endif /* _ZL3073X_OUT_H */ 94