From cb7a01ac324bf2ee2c666f37ac867e4135f9785a Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Tue, 14 Aug 2012 16:23:43 -0300 Subject: [media] move i2c files into drivers/media/i2c Move ancillary I2C drivers into drivers/media/i2c, in order to better organize them. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/smiapp-pll.h | 103 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 drivers/media/i2c/smiapp-pll.h (limited to 'drivers/media/i2c/smiapp-pll.h') diff --git a/drivers/media/i2c/smiapp-pll.h b/drivers/media/i2c/smiapp-pll.h new file mode 100644 index 000000000000..cb2d2db5d02d --- /dev/null +++ b/drivers/media/i2c/smiapp-pll.h @@ -0,0 +1,103 @@ +/* + * drivers/media/i2c/smiapp-pll.h + * + * Generic driver for SMIA/SMIA++ compliant camera modules + * + * Copyright (C) 2012 Nokia Corporation + * Contact: Sakari Ailus + * + * 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 + +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 */ -- cgit