| Patrick Daly | 985c14b | 2012-12-03 17:12:37 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | */ |
| 13 | |
| 14 | /* Corner type vreg VDD values */ |
| 15 | #define LVL_NONE RPM_REGULATOR_CORNER_NONE |
| 16 | #define LVL_LOW RPM_REGULATOR_CORNER_SVS_SOC |
| 17 | #define LVL_NOM RPM_REGULATOR_CORNER_NORMAL |
| 18 | #define LVL_HIGH RPM_REGULATOR_CORNER_SUPER_TURBO |
| 19 | |
| 20 | enum clk_src { |
| 21 | CXO, |
| 22 | PLL0, |
| 23 | ACPUPLL, |
| 24 | NUM_SRC, |
| 25 | }; |
| 26 | |
| 27 | struct src_clock { |
| 28 | struct clk *clk; |
| 29 | const char *name; |
| 30 | }; |
| 31 | |
| 32 | struct clkctl_acpu_speed { |
| 33 | bool use_for_scaling; |
| 34 | unsigned int khz; |
| 35 | int src; |
| 36 | unsigned int src_sel; |
| 37 | unsigned int src_div; |
| 38 | unsigned int vdd_cpu; |
| 39 | unsigned int vdd_mem; |
| 40 | unsigned int bw_level; |
| 41 | }; |
| 42 | |
| 43 | struct acpuclk_reg_data { |
| 44 | u32 cfg_src_mask; |
| 45 | u32 cfg_src_shift; |
| 46 | u32 cfg_div_mask; |
| 47 | u32 cfg_div_shift; |
| 48 | u32 update_mask; |
| 49 | u32 poll_mask; |
| 50 | }; |
| 51 | |
| 52 | struct acpuclk_drv_data { |
| 53 | struct mutex lock; |
| 54 | struct clkctl_acpu_speed *freq_tbl; |
| 55 | struct clkctl_acpu_speed *current_speed; |
| 56 | struct msm_bus_scale_pdata *bus_scale; |
| 57 | void __iomem *apcs_rcg_config; |
| 58 | void __iomem *apcs_rcg_cmd; |
| 59 | void __iomem *apcs_cpu_pwr_ctl; |
| 60 | struct regulator *vdd_cpu; |
| 61 | unsigned long vdd_max_cpu; |
| 62 | struct regulator *vdd_mem; |
| 63 | unsigned long vdd_max_mem; |
| 64 | struct src_clock src_clocks[NUM_SRC]; |
| 65 | struct acpuclk_reg_data reg_data; |
| Patrick Daly | af8808e | 2013-03-20 12:57:00 -0700 | [diff] [blame^] | 66 | unsigned long power_collapse_khz; |
| 67 | unsigned long wait_for_irq_khz; |
| Patrick Daly | 985c14b | 2012-12-03 17:12:37 -0800 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | /* Instantaneous bandwidth requests in MB/s. */ |
| 71 | #define BW_MBPS(_bw) \ |
| 72 | { \ |
| 73 | .vectors = &(struct msm_bus_vectors){ \ |
| 74 | .src = MSM_BUS_MASTER_AMPSS_M0, \ |
| 75 | .dst = MSM_BUS_SLAVE_EBI_CH0, \ |
| 76 | .ib = (_bw) * 1000000ULL, \ |
| 77 | .ab = 0, \ |
| 78 | }, \ |
| 79 | .num_paths = 1, \ |
| 80 | } |
| 81 | |
| 82 | int __init acpuclk_cortex_init(struct platform_device *pdev, |
| 83 | struct acpuclk_drv_data *data); |
| 84 | |