mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 13:11:45 +00:00
cf1c5fae5f
Calculate PLL configuration based on input data: sensor configuration, board properties and sensor-specific limits. [mchehab@redhat.com: Fix a Kconfig conflict affecting APTINA_PLL] Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/*
|
|
* drivers/media/video/smiapp-pll.h
|
|
*
|
|
* Generic driver for SMIA/SMIA++ compliant camera modules
|
|
*
|
|
* Copyright (C) 2012 Nokia Corporation
|
|
* Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#ifndef SMIAPP_PLL_H
|
|
#define SMIAPP_PLL_H
|
|
|
|
#include <linux/device.h>
|
|
|
|
struct smiapp_pll {
|
|
uint8_t lanes;
|
|
uint8_t binning_horizontal;
|
|
uint8_t binning_vertical;
|
|
uint8_t scale_m;
|
|
uint8_t scale_n;
|
|
uint8_t bits_per_pixel;
|
|
uint16_t flags;
|
|
uint32_t link_freq;
|
|
|
|
uint16_t pre_pll_clk_div;
|
|
uint16_t pll_multiplier;
|
|
uint16_t op_sys_clk_div;
|
|
uint16_t op_pix_clk_div;
|
|
uint16_t vt_sys_clk_div;
|
|
uint16_t vt_pix_clk_div;
|
|
|
|
uint32_t ext_clk_freq_hz;
|
|
uint32_t pll_ip_clk_freq_hz;
|
|
uint32_t pll_op_clk_freq_hz;
|
|
uint32_t op_sys_clk_freq_hz;
|
|
uint32_t op_pix_clk_freq_hz;
|
|
uint32_t vt_sys_clk_freq_hz;
|
|
uint32_t vt_pix_clk_freq_hz;
|
|
|
|
uint32_t pixel_rate_csi;
|
|
};
|
|
|
|
struct smiapp_pll_limits {
|
|
/* Strict PLL limits */
|
|
uint32_t min_ext_clk_freq_hz;
|
|
uint32_t max_ext_clk_freq_hz;
|
|
uint16_t min_pre_pll_clk_div;
|
|
uint16_t max_pre_pll_clk_div;
|
|
uint32_t min_pll_ip_freq_hz;
|
|
uint32_t max_pll_ip_freq_hz;
|
|
uint16_t min_pll_multiplier;
|
|
uint16_t max_pll_multiplier;
|
|
uint32_t min_pll_op_freq_hz;
|
|
uint32_t max_pll_op_freq_hz;
|
|
|
|
uint16_t min_vt_sys_clk_div;
|
|
uint16_t max_vt_sys_clk_div;
|
|
uint32_t min_vt_sys_clk_freq_hz;
|
|
uint32_t max_vt_sys_clk_freq_hz;
|
|
uint16_t min_vt_pix_clk_div;
|
|
uint16_t max_vt_pix_clk_div;
|
|
uint32_t min_vt_pix_clk_freq_hz;
|
|
uint32_t max_vt_pix_clk_freq_hz;
|
|
|
|
uint16_t min_op_sys_clk_div;
|
|
uint16_t max_op_sys_clk_div;
|
|
uint32_t min_op_sys_clk_freq_hz;
|
|
uint32_t max_op_sys_clk_freq_hz;
|
|
uint16_t min_op_pix_clk_div;
|
|
uint16_t max_op_pix_clk_div;
|
|
uint32_t min_op_pix_clk_freq_hz;
|
|
uint32_t max_op_pix_clk_freq_hz;
|
|
|
|
/* Other relevant limits */
|
|
uint32_t min_line_length_pck_bin;
|
|
uint32_t min_line_length_pck;
|
|
};
|
|
|
|
/* op pix clock is for all lanes in total normally */
|
|
#define SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE (1 << 0)
|
|
#define SMIAPP_PLL_FLAG_NO_OP_CLOCKS (1 << 1)
|
|
|
|
struct device;
|
|
|
|
int smiapp_pll_calculate(struct device *dev, struct smiapp_pll_limits *limits,
|
|
struct smiapp_pll *pll);
|
|
|
|
#endif /* SMIAPP_PLL_H */
|