From a846037fdfeedb179da0a9c19637cfcb9035689e Mon Sep 17 00:00:00 2001 From: Nitin Kumbhar Date: Fri, 10 Aug 2018 11:30:19 +0530 Subject: gpu: nvgpu: rename gm20b clk debugfs file debug_clk.c implements clk debugfs of gm20b. Rename the file to reflect clk debugfs functions implemented for gm20b. JIRA NVGPU-603 Change-Id: I6ff4b71abe400b8fc2a8d79e12e53e2048ccdc05 Signed-off-by: Nitin Kumbhar Reviewed-on: https://git-master.nvidia.com/r/1797903 Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/os/linux/debug_clk.c | 273 --------------------------------- 1 file changed, 273 deletions(-) delete mode 100644 drivers/gpu/nvgpu/os/linux/debug_clk.c (limited to 'drivers/gpu/nvgpu/os/linux/debug_clk.c') diff --git a/drivers/gpu/nvgpu/os/linux/debug_clk.c b/drivers/gpu/nvgpu/os/linux/debug_clk.c deleted file mode 100644 index f514d2c8..00000000 --- a/drivers/gpu/nvgpu/os/linux/debug_clk.c +++ /dev/null @@ -1,273 +0,0 @@ -/* - * Copyright (C) 2017-2018 NVIDIA Corporation. 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. - * - */ - -#include -#include -#include - -#include - -#include "gm20b/clk_gm20b.h" -#include "os_linux.h" -#include "platform_gk20a.h" - -static int rate_get(void *data, u64 *val) -{ - struct gk20a *g = (struct gk20a *)data; - struct clk_gk20a *clk = &g->clk; - - *val = (u64)rate_gpc2clk_to_gpu(clk->gpc_pll.freq); - return 0; -} -static int rate_set(void *data, u64 val) -{ - struct gk20a *g = (struct gk20a *)data; - return g->ops.clk.set_rate(g, CTRL_CLK_DOMAIN_GPCCLK, (u32)val); -} -DEFINE_SIMPLE_ATTRIBUTE(rate_fops, rate_get, rate_set, "%llu\n"); - -static int pll_reg_show(struct seq_file *s, void *data) -{ - struct gk20a *g = s->private; - struct nvgpu_clk_pll_debug_data d; - u32 reg, m, n, pl, f; - int err = 0; - - if (g->ops.clk.get_pll_debug_data) { - err = g->ops.clk.get_pll_debug_data(g, &d); - if (err) - return err; - } else { - return -EINVAL; - } - - seq_printf(s, "bypassctrl = %s, ", - d.trim_sys_bypassctrl_val ? "bypass" : "vco"); - seq_printf(s, "sel_vco = %s, ", - d.trim_sys_sel_vco_val ? "vco" : "bypass"); - - seq_printf(s, "cfg = 0x%x : %s : %s : %s\n", d.trim_sys_gpcpll_cfg_val, - d.trim_sys_gpcpll_cfg_enabled ? "enabled" : "disabled", - d.trim_sys_gpcpll_cfg_locked ? "locked" : "unlocked", - d.trim_sys_gpcpll_cfg_sync_on ? "sync_on" : "sync_off"); - - reg = d.trim_sys_gpcpll_coeff_val; - m = d.trim_sys_gpcpll_coeff_mdiv; - n = d.trim_sys_gpcpll_coeff_ndiv; - pl = d.trim_sys_gpcpll_coeff_pldiv; - f = g->clk.gpc_pll.clk_in * n / (m * nvgpu_pl_to_div(pl)); - seq_printf(s, "coef = 0x%x : m = %u : n = %u : pl = %u", reg, m, n, pl); - seq_printf(s, " : pll_f(gpu_f) = %u(%u) kHz\n", f, f/2); - - seq_printf(s, "dvfs0 = 0x%x : d = %u : dmax = %u : doffs = %u\n", - d.trim_sys_gpcpll_dvfs0_val, - d.trim_sys_gpcpll_dvfs0_dfs_coeff, - d.trim_sys_gpcpll_dvfs0_dfs_det_max, - d.trim_sys_gpcpll_dvfs0_dfs_dc_offset); - - return 0; -} - -static int pll_reg_open(struct inode *inode, struct file *file) -{ - return single_open(file, pll_reg_show, inode->i_private); -} - -static const struct file_operations pll_reg_fops = { - .open = pll_reg_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int pll_reg_raw_show(struct seq_file *s, void *data) -{ - struct gk20a *g = s->private; - struct nvgpu_clk_pll_debug_data d; - u32 reg; - int err = 0; - - if (g->ops.clk.get_pll_debug_data) { - err = g->ops.clk.get_pll_debug_data(g, &d); - if (err) - return err; - } else { - return -EINVAL; - } - - seq_puts(s, "GPCPLL REGISTERS:\n"); - for (reg = d.trim_sys_gpcpll_cfg_reg; - reg <= d.trim_sys_gpcpll_dvfs2_reg; - reg += sizeof(u32)) - seq_printf(s, "[0x%02x] = 0x%08x\n", reg, gk20a_readl(g, reg)); - - seq_puts(s, "\nGPC CLK OUT REGISTERS:\n"); - - seq_printf(s, "[0x%02x] = 0x%08x\n", d.trim_sys_sel_vco_reg, - d.trim_sys_sel_vco_val); - seq_printf(s, "[0x%02x] = 0x%08x\n", d.trim_sys_gpc2clk_out_reg, - d.trim_sys_gpc2clk_out_val); - seq_printf(s, "[0x%02x] = 0x%08x\n", d.trim_sys_bypassctrl_reg, - d.trim_sys_bypassctrl_val); - - return 0; -} - -static int pll_reg_raw_open(struct inode *inode, struct file *file) -{ - return single_open(file, pll_reg_raw_show, inode->i_private); -} - -static ssize_t pll_reg_raw_write(struct file *file, - const char __user *userbuf, size_t count, loff_t *ppos) -{ - struct gk20a *g = file->f_path.dentry->d_inode->i_private; - char buf[80]; - u32 reg, val; - int err = 0; - - if (sizeof(buf) <= count) - return -EINVAL; - - if (copy_from_user(buf, userbuf, count)) - return -EFAULT; - - /* terminate buffer and trim - white spaces may be appended - * at the end when invoked from shell command line */ - buf[count] = '\0'; - strim(buf); - - if (sscanf(buf, "[0x%x] = 0x%x", ®, &val) != 2) - return -EINVAL; - - if (g->ops.clk.pll_reg_write(g, reg, val)) - err = g->ops.clk.pll_reg_write(g, reg, val); - else - err = -EINVAL; - - return err; -} - -static const struct file_operations pll_reg_raw_fops = { - .open = pll_reg_raw_open, - .read = seq_read, - .write = pll_reg_raw_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static int monitor_get(void *data, u64 *val) -{ - struct gk20a *g = (struct gk20a *)data; - int err = 0; - - if (g->ops.clk.get_gpcclk_clock_counter) - err = g->ops.clk.get_gpcclk_clock_counter(&g->clk, val); - else - err = -EINVAL; - - return err; -} -DEFINE_SIMPLE_ATTRIBUTE(monitor_fops, monitor_get, NULL, "%llu\n"); - -static int voltage_get(void *data, u64 *val) -{ - struct gk20a *g = (struct gk20a *)data; - int err = 0; - - if (g->ops.clk.get_voltage) - err = g->ops.clk.get_voltage(&g->clk, val); - else - err = -EINVAL; - - return err; -} -DEFINE_SIMPLE_ATTRIBUTE(voltage_fops, voltage_get, NULL, "%llu\n"); - -static int pll_param_show(struct seq_file *s, void *data) -{ - struct pll_parms *gpc_pll_params = gm20b_get_gpc_pll_parms(); - - seq_printf(s, "ADC offs = %d uV, ADC slope = %d uV, VCO ctrl = 0x%x\n", - gpc_pll_params->uvdet_offs, gpc_pll_params->uvdet_slope, - gpc_pll_params->vco_ctrl); - return 0; -} - -static int pll_param_open(struct inode *inode, struct file *file) -{ - return single_open(file, pll_param_show, inode->i_private); -} - -static const struct file_operations pll_param_fops = { - .open = pll_param_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -int gm20b_clk_init_debugfs(struct gk20a *g) -{ - struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g); - struct dentry *d; - - if (!l->debugfs) - return -EINVAL; - - d = debugfs_create_file( - "rate", S_IRUGO|S_IWUSR, l->debugfs, g, &rate_fops); - if (!d) - goto err_out; - - d = debugfs_create_file( - "pll_reg", S_IRUGO, l->debugfs, g, &pll_reg_fops); - if (!d) - goto err_out; - - d = debugfs_create_file("pll_reg_raw", - S_IRUGO, l->debugfs, g, &pll_reg_raw_fops); - if (!d) - goto err_out; - - d = debugfs_create_file( - "monitor", S_IRUGO, l->debugfs, g, &monitor_fops); - if (!d) - goto err_out; - - d = debugfs_create_file( - "voltage", S_IRUGO, l->debugfs, g, &voltage_fops); - if (!d) - goto err_out; - - d = debugfs_create_file( - "pll_param", S_IRUGO, l->debugfs, g, &pll_param_fops); - if (!d) - goto err_out; - - d = debugfs_create_u32("pll_na_mode", S_IRUGO, l->debugfs, - (u32 *)&g->clk.gpc_pll.mode); - if (!d) - goto err_out; - - d = debugfs_create_u32("fmax2x_at_vmin_safe_t", S_IRUGO, - l->debugfs, (u32 *)&g->clk.dvfs_safe_max_freq); - if (!d) - goto err_out; - - return 0; - -err_out: - pr_err("%s: Failed to make debugfs node\n", __func__); - return -ENOMEM; -} -- cgit v1.2.2