1 /*-
10 found at http://www.gnu.org/licenses/gpl-2.0.html
30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
53 /* *INDENT-OFF* */
57 /* *INDENT-ON* */
66 #define AL_REG_FIELD_GET(reg, mask, shift)  (((reg) & (mask)) >> (shift))  argument
69 #define AL_REG_FIELD_SET(reg, mask, shift, val)			\  argument
70 	(reg) =							\
71 		(((reg) & (~(mask))) |				\
75 #define AL_REG_FIELD_SET_64(reg, mask, shift, val)		\  argument
76 	((reg) =						\
77 		(((reg) & (~(mask))) |				\
81 #define AL_REG_BIT_GET(reg, shift)				\  argument
82 	AL_REG_FIELD_GET(reg, AL_BIT(shift), shift)
88 #define AL_REG_BIT_VAL_SET(reg, shift, val)				\  argument
89 	AL_REG_FIELD_SET(reg, AL_BIT(shift), shift, val)
92 #define AL_REG_BIT_SET(reg, shift)				\  argument
93 	AL_REG_BIT_VAL_SET(reg, shift, 1)
96 #define AL_REG_BIT_CLEAR(reg, shift)				\  argument
97 	AL_REG_BIT_VAL_SET(reg, shift, 0)
101 	(AL_BIT(n) - 1)
104 	(AL_BIT(msb) + AL_BIT_MASK(msb) - AL_BIT_MASK(lsb))
107 #define AL_REG_MASK_CLEAR(reg, clear_mask)			\  argument
108 	((reg) = (((reg) & (~(clear_mask)))))
111 #define AL_REG_MASK_SET(reg, clear_mask)			\  argument
112 	((reg) = (((reg) | (clear_mask))))
116 #define AL_REG_CLEAR_AND_SET(reg, clear_mask, set_mask)			\  argument
117 	(reg) =	(((reg) & (~(clear_mask))) | (set_mask))
120 	((size) * (((val) + (size) - 1) / (size)))
122 /** take bits selected by mask from one data, the rest from background */
123 #define AL_MASK_VAL(mask, data, background)		\  argument
124 	(((mask) & (data)) | ((~mask) & (background)))
129  * @param	reg
133  * @param	data
134  *	data to write. bits not selected by mask ignored.
137 al_reg_write8_masked(uint8_t __iomem *reg, uint8_t mask, uint8_t data)  in al_reg_write8_masked()  argument
140 	temp = al_reg_read8(reg);  in al_reg_write8_masked()
141 	al_reg_write8(reg, AL_MASK_VAL(mask, data, temp));  in al_reg_write8_masked()
148  * @param	reg
152  * @param	data
153  *	data to write. bits not selected by mask ignored.
156 al_reg_write16_masked(uint16_t __iomem *reg, uint16_t mask, uint16_t data)  in al_reg_write16_masked()  argument
159 	temp = al_reg_read16(reg);  in al_reg_write16_masked()
160 	al_reg_write16(reg, AL_MASK_VAL(mask, data, temp));  in al_reg_write16_masked()
167  * @param	reg
171  * @param	data
172  *	data to write. bits not selected by mask ignored.
175 al_reg_write32_masked(uint32_t __iomem *reg, uint32_t mask, uint32_t data)  in al_reg_write32_masked()  argument
178 	temp = al_reg_read32(reg);  in al_reg_write32_masked()
179 	al_reg_write32(reg, AL_MASK_VAL(mask, data, temp));  in al_reg_write32_masked()
182 /* *INDENT-OFF* */
186 /* *INDENT-ON* */