diff options
Diffstat (limited to 'drivers/clk/qcom/clk-rcg.h')
| -rw-r--r-- | drivers/clk/qcom/clk-rcg.h | 85 |
1 files changed, 59 insertions, 26 deletions
diff --git a/drivers/clk/qcom/clk-rcg.h b/drivers/clk/qcom/clk-rcg.h index 1b3e8d265bdb..4fbdf4880d03 100644 --- a/drivers/clk/qcom/clk-rcg.h +++ b/drivers/clk/qcom/clk-rcg.h @@ -1,15 +1,5 @@ -/* - * Copyright (c) 2013, The Linux Foundation. All rights reserved. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2013, 2018, The Linux Foundation. All rights reserved. */ #ifndef __QCOM_CLK_RCG_H__ #define __QCOM_CLK_RCG_H__ @@ -17,6 +7,8 @@ #include <linux/clk-provider.h> #include "clk-regmap.h" +#define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) } + struct freq_tbl { unsigned long freq; u8 src; @@ -25,14 +17,21 @@ struct freq_tbl { u16 n; }; -/** - * struct parent_map - map table for PLL source select configuration values - * @src: source PLL - * @cfg: configuration value - */ -struct parent_map { +#define C(s, h, m, n) { (s), (2 * (h) - 1), (m), (n) } +#define FM(f, confs) { (f), ARRAY_SIZE(confs), (confs) } +#define FMS(f, s, h, m, n) { (f), 1, (const struct freq_conf []){ C(s, h, m, n) } } + +struct freq_conf { u8 src; - u8 cfg; + u8 pre_div; + u16 m; + u16 n; +}; + +struct freq_multi_tbl { + unsigned long freq; + size_t num_confs; + const struct freq_conf *confs; }; /** @@ -89,7 +88,6 @@ struct src_sel { * @freq_tbl: frequency table * @clkr: regmap clock handle * @lock: register lock - * */ struct clk_rcg { u32 ns_reg; @@ -105,6 +103,7 @@ struct clk_rcg { }; extern const struct clk_ops clk_rcg_ops; +extern const struct clk_ops clk_rcg_floor_ops; extern const struct clk_ops clk_rcg_bypass_ops; extern const struct clk_ops clk_rcg_bypass2_ops; extern const struct clk_ops clk_rcg_pixel_ops; @@ -125,7 +124,6 @@ extern const struct clk_ops clk_rcg_lcc_ops; * @freq_tbl: frequency table * @clkr: regmap clock handle * @lock: register lock - * */ struct clk_dyn_rcg { u32 ns_reg[2]; @@ -154,31 +152,66 @@ extern const struct clk_ops clk_dyn_rcg_ops; * @cmd_rcgr: corresponds to *_CMD_RCGR * @mnd_width: number of bits in m/n/d values * @hid_width: number of bits in half integer divider + * @safe_src_index: safe src index value * @parent_map: map from software's parent index to hardware's src_sel field * @freq_tbl: frequency table - * @current_freq: last cached frequency when using branches with shared RCGs + * @freq_multi_tbl: frequency table for clocks reachable with multiple RCGs conf * @clkr: regmap clock handle - * + * @cfg_off: defines the cfg register offset from the CMD_RCGR + CFG_REG + * @parked_cfg: cached value of the CFG register for parked RCGs + * @hw_clk_ctrl: whether to enable hardware clock control */ struct clk_rcg2 { u32 cmd_rcgr; u8 mnd_width; u8 hid_width; + u8 safe_src_index; const struct parent_map *parent_map; - const struct freq_tbl *freq_tbl; - unsigned long current_freq; + union { + const struct freq_tbl *freq_tbl; + const struct freq_multi_tbl *freq_multi_tbl; + }; struct clk_regmap clkr; + u8 cfg_off; + u32 parked_cfg; + bool hw_clk_ctrl; }; #define to_clk_rcg2(_hw) container_of(to_clk_regmap(_hw), struct clk_rcg2, clkr) +struct clk_rcg2_gfx3d { + u8 div; + struct clk_rcg2 rcg; + struct clk_hw **hws; +}; + +#define to_clk_rcg2_gfx3d(_hw) \ + container_of(to_clk_rcg2(_hw), struct clk_rcg2_gfx3d, rcg) + extern const struct clk_ops clk_rcg2_ops; +extern const struct clk_ops clk_rcg2_gp_ops; extern const struct clk_ops clk_rcg2_floor_ops; -extern const struct clk_ops clk_rcg2_shared_ops; +extern const struct clk_ops clk_rcg2_fm_ops; +extern const struct clk_ops clk_rcg2_mux_closest_ops; extern const struct clk_ops clk_edp_pixel_ops; extern const struct clk_ops clk_byte_ops; extern const struct clk_ops clk_byte2_ops; extern const struct clk_ops clk_pixel_ops; extern const struct clk_ops clk_gfx3d_ops; +extern const struct clk_ops clk_rcg2_shared_ops; +extern const struct clk_ops clk_rcg2_shared_floor_ops; +extern const struct clk_ops clk_rcg2_shared_no_init_park_ops; +extern const struct clk_ops clk_dp_ops; + +struct clk_rcg_dfs_data { + struct clk_rcg2 *rcg; + struct clk_init_data *init; +}; + +#define DEFINE_RCG_DFS(r) \ + { .rcg = &r, .init = &r##_init } +extern int qcom_cc_register_rcg_dfs(struct regmap *regmap, + const struct clk_rcg_dfs_data *rcgs, + size_t len); #endif |