| Caleb Connolly | dd67312 | 2023-10-23 16:05:10 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2019, Linaro Ltd. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 12 | * this list of conditions and the following disclaimer in the documentation |
| 13 | * and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * 3. Neither the name of the copyright holder nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software without |
| 17 | * specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 23 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | #ifndef __DEBUGCC_H__ |
| 32 | #define __DEBUGCC_H__ |
| 33 | |
| 34 | #include <linux/bitops.h> |
| 35 | #include <linux/types.h> |
| 36 | |
| 37 | #define CORE_CC_BLOCK "core" |
| 38 | |
| 39 | struct measure_clk; |
| 40 | |
| 41 | struct debug_mux { |
| 42 | unsigned long base; |
| 43 | const char *block_name; |
| 44 | size_t size; |
| 45 | |
| 46 | unsigned int enable_reg; |
| 47 | unsigned int enable_mask; |
| 48 | |
| 49 | unsigned int mux_reg; |
| 50 | unsigned int mux_mask; |
| 51 | unsigned int mux_shift; |
| 52 | |
| 53 | unsigned int div_reg; |
| 54 | unsigned int div_shift; |
| 55 | unsigned int div_mask; |
| 56 | unsigned int div_val; |
| 57 | |
| 58 | unsigned int xo_div4_reg; |
| 59 | unsigned int debug_ctl_reg; |
| 60 | unsigned int debug_status_reg; |
| 61 | |
| 62 | unsigned int ahb_reg; |
| 63 | unsigned int ahb_mask; |
| 64 | |
| 65 | void (*premeasure)(struct debug_mux *mux); |
| 66 | unsigned long (*measure)(const struct measure_clk *clk); |
| 67 | void (*postmeasure)(struct debug_mux *mux); |
| 68 | }; |
| 69 | |
| 70 | struct measure_clk { |
| 71 | char *name; |
| 72 | struct debug_mux *primary; |
| 73 | int mux; |
| 74 | |
| 75 | struct debug_mux *leaf; |
| 76 | int leaf_mux; |
| 77 | |
| 78 | unsigned int fixed_div; |
| 79 | }; |
| 80 | |
| 81 | struct debugcc_platform { |
| 82 | const char *name; |
| 83 | const struct measure_clk *clocks; |
| 84 | const struct debug_mux **blocks; |
| 85 | }; |
| 86 | |
| 87 | #ifdef CONFIG_CLK_QCOM_DEBUG |
| 88 | int qcom_debugcc_run(int argc, char *const argv[]); |
| 89 | |
| 90 | int mmap_mux(int devmem, struct debug_mux *mux); |
| 91 | void mux_enable(struct debug_mux *mux); |
| 92 | void mux_disable(struct debug_mux *mux); |
| 93 | unsigned long measure_mccc(const struct measure_clk *clk); |
| 94 | |
| 95 | extern struct debugcc_platform qcs404_debugcc; |
| 96 | extern struct debugcc_platform sdm845_debugcc; |
| 97 | extern struct debugcc_platform sm6115_debugcc; |
| 98 | extern struct debugcc_platform sm8250_debugcc; |
| 99 | #else |
| 100 | int qcom_debugcc_run(int argc, char *const argv[]) { return 0; } |
| 101 | #endif |
| 102 | |
| 103 | #endif |