media/i2c/ccs-pll.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * drivers/media/i2c/ccs-pll.h
17 /* CSI-2 or CCP-2 */
22 /* op pix clock is for all lanes in total normally */
37  * struct ccs_pll_branch_fr - CCS PLL configuration (front)
39  * A single branch front-end of the CCS PLL tree.
41  * @pre_pll_clk_div: Pre-PLL clock divisor
54  * struct ccs_pll_branch_bk - CCS PLL configuration (back)
56  * A single branch back-end of the CCS PLL tree.
71  * struct ccs_pll - Full CCS PLL configuration
78  * @csi2: CSI-2 related parameters
79  * @csi2.lanes: The number of the CSI-2 data lanes (input)
90  * @vt_fr: Video timing front-end configuration (output)
91  * @vt_bk: Video timing back-end configuration (output)
92  * @op_fr: Operational timing front-end configuration (output)
93  * @op_bk: Operational timing back-end configuration (output)
127  * struct ccs_pll_branch_limits_fr - CCS PLL front-end limits
129  * @min_pre_pll_clk_div: Minimum pre-PLL clock divider
130  * @max_pre_pll_clk_div: Maximum pre-PLL clock divider
150  * struct ccs_pll_branch_limits_bk - CCS PLL back-end limits
173  * struct ccs_pll_limits - CCS PLL limits
177  * @vt_fr: Video timing front-end limits
178  * @vt_bk: Video timing back-end limits
179  * @op_fr: Operational timing front-end limits
180  * @op_bk: Operational timing back-end limits
185 	/* Strict PLL limits */
194 	/* Other relevant limits */
202  * ccs_pll_calculate - Calculate CCS PLL configuration based on input parameters
205  * @limits: Limits specific to the sensor
208  * Calculate the CCS PLL configuration based on the limits as well as given
211 int ccs_pll_calculate(struct device *dev, const struct ccs_pll_limits *limits,