From 432017248e432df0619dc2df30f915a52634338f Mon Sep 17 00:00:00 2001 From: Vijayakumar Subbu Date: Sat, 30 Jul 2016 10:44:30 -0700 Subject: gpu: nvgpu: Add dGPU clocks support JIRA DNVGPU-42 Change-Id: Ic2fca9d0cf82f2823654ac5e8f0772a1eec7b3b5 Signed-off-by: Vijayakumar Subbu Signed-off-by: Terje Bergstrom Reviewed-on: http://git-master/r/1205850 (cherry picked from commit b9f5c6bc4e649162d63e33d65b725872340ca114) Reviewed-on: http://git-master/r/1227257 GVS: Gerrit_Virtual_Submit --- drivers/gpu/nvgpu/clk/clk_fll.h | 68 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 drivers/gpu/nvgpu/clk/clk_fll.h (limited to 'drivers/gpu/nvgpu/clk/clk_fll.h') diff --git a/drivers/gpu/nvgpu/clk/clk_fll.h b/drivers/gpu/nvgpu/clk/clk_fll.h new file mode 100644 index 00000000..06872f48 --- /dev/null +++ b/drivers/gpu/nvgpu/clk/clk_fll.h @@ -0,0 +1,68 @@ +/* +* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. +* +* This program is free software; you can redistribute it and/or modify it +* under the terms and conditions of the GNU General Public License, +* version 2, as published by the Free Software Foundation. +* +* This program is distributed in the hope 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. +*/ + +#ifndef _CLKFLL_H_ +#define _CLKFLL_H_ + +#include "pmuif/gpmuifclk.h" +#include "boardobj/boardobjgrp_e32.h" +#include "boardobj/boardobjgrpmask.h" + +/*data and function definition to talk to driver*/ +u32 clk_fll_sw_setup(struct gk20a *g); +u32 clk_fll_pmu_setup(struct gk20a *g); + +struct avfsfllobjs { + struct boardobjgrp_e32 super; + struct boardobjgrpmask_e32 lut_prog_master_mask; + u32 lut_step_size_uv; + u32 lut_min_voltage_uv; + u8 lut_num_entries; + u16 max_min_freq_mhz; +}; + +struct fll_device; + +typedef u32 fll_lut_broadcast_slave_register(struct gk20a *g, + struct avfsfllobjs *pfllobjs, + struct fll_device *pfll, + struct fll_device *pfll_slave); + +struct fll_device { + struct boardobj super; + u8 id; + u8 mdiv; + u16 input_freq_mhz; + u32 clk_domain; + u8 vin_idx_logic; + u8 vin_idx_sram; + u8 rail_idx_for_lut; + struct nv_pmu_clk_lut_device_desc lut_device; + struct nv_pmu_clk_regime_desc regime_desc; + u8 min_freq_vfe_idx; + u8 freq_ctrl_idx; + u8 target_regime_id_override; + struct boardobjgrpmask_e32 lut_prog_broadcast_slave_mask; + fll_lut_broadcast_slave_register *lut_broadcast_slave_register; +}; + +#define CLK_FLL_LUT_VF_NUM_ENTRIES(pclk) \ + (pclk->avfs_fllobjs.lut_num_entries) + +#define CLK_FLL_LUT_MIN_VOLTAGE_UV(pclk) \ + (pclk->avfs_fllobjs.lut_min_voltage_uv) +#define CLK_FLL_LUT_STEP_SIZE_UV(pclk) \ + (pclk->avfs_fllobjs.lut_step_size_uv) + +#endif + -- cgit v1.2.2