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Diffstat (limited to 'arch/arm/mach-msm/clock-pcom.c')
-rw-r--r--arch/arm/mach-msm/clock-pcom.c176
1 files changed, 0 insertions, 176 deletions
diff --git a/arch/arm/mach-msm/clock-pcom.c b/arch/arm/mach-msm/clock-pcom.c
deleted file mode 100644
index f5b69d7..0000000
--- a/arch/arm/mach-msm/clock-pcom.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007-2012, 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.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <linux/clk-provider.h>
-#include <linux/clkdev.h>
-
-#include <mach/clk.h>
-
-#include "proc_comm.h"
-#include "clock.h"
-#include "clock-pcom.h"
-
-struct clk_pcom {
- unsigned id;
- unsigned long flags;
- struct msm_clk msm_clk;
-};
-
-static inline struct clk_pcom *to_clk_pcom(struct clk_hw *hw)
-{
- return container_of(to_msm_clk(hw), struct clk_pcom, msm_clk);
-}
-
-static int pc_clk_enable(struct clk_hw *hw)
-{
- unsigned id = to_clk_pcom(hw)->id;
- int rc = msm_proc_comm(PCOM_CLKCTL_RPC_ENABLE, &id, NULL);
- if (rc < 0)
- return rc;
- else
- return (int)id < 0 ? -EINVAL : 0;
-}
-
-static void pc_clk_disable(struct clk_hw *hw)
-{
- unsigned id = to_clk_pcom(hw)->id;
- msm_proc_comm(PCOM_CLKCTL_RPC_DISABLE, &id, NULL);
-}
-
-static int pc_clk_reset(struct clk_hw *hw, enum clk_reset_action action)
-{
- int rc;
- unsigned id = to_clk_pcom(hw)->id;
-
- if (action == CLK_RESET_ASSERT)
- rc = msm_proc_comm(PCOM_CLKCTL_RPC_RESET_ASSERT, &id, NULL);
- else
- rc = msm_proc_comm(PCOM_CLKCTL_RPC_RESET_DEASSERT, &id, NULL);
-
- if (rc < 0)
- return rc;
- else
- return (int)id < 0 ? -EINVAL : 0;
-}
-
-static int pc_clk_set_rate(struct clk_hw *hw, unsigned long new_rate,
- unsigned long p_rate)
-{
- struct clk_pcom *p = to_clk_pcom(hw);
- unsigned id = p->id, rate = new_rate;
- int rc;
-
- /*
- * The rate _might_ be rounded off to the nearest KHz value by the
- * remote function. So a return value of 0 doesn't necessarily mean
- * that the exact rate was set successfully.
- */
- if (p->flags & CLKFLAG_MIN)
- rc = msm_proc_comm(PCOM_CLKCTL_RPC_MIN_RATE, &id, &rate);
- else
- rc = msm_proc_comm(PCOM_CLKCTL_RPC_SET_RATE, &id, &rate);
- if (rc < 0)
- return rc;
- else
- return (int)id < 0 ? -EINVAL : 0;
-}
-
-static unsigned long pc_clk_recalc_rate(struct clk_hw *hw, unsigned long p_rate)
-{
- unsigned id = to_clk_pcom(hw)->id;
- if (msm_proc_comm(PCOM_CLKCTL_RPC_RATE, &id, NULL))
- return 0;
- else
- return id;
-}
-
-static int pc_clk_is_enabled(struct clk_hw *hw)
-{
- unsigned id = to_clk_pcom(hw)->id;
- if (msm_proc_comm(PCOM_CLKCTL_RPC_ENABLED, &id, NULL))
- return 0;
- else
- return id;
-}
-
-static long pc_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *p_rate)
-{
- /* Not really supported; pc_clk_set_rate() does rounding on it's own. */
- return rate;
-}
-
-static struct clk_ops clk_ops_pcom = {
- .enable = pc_clk_enable,
- .disable = pc_clk_disable,
- .set_rate = pc_clk_set_rate,
- .recalc_rate = pc_clk_recalc_rate,
- .is_enabled = pc_clk_is_enabled,
- .round_rate = pc_clk_round_rate,
-};
-
-static int msm_clock_pcom_probe(struct platform_device *pdev)
-{
- const struct pcom_clk_pdata *pdata = pdev->dev.platform_data;
- int i, ret;
-
- for (i = 0; i < pdata->num_lookups; i++) {
- const struct clk_pcom_desc *desc = &pdata->lookup[i];
- struct clk *c;
- struct clk_pcom *p;
- struct clk_hw *hw;
- struct clk_init_data init;
-
- p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL);
- if (!p)
- return -ENOMEM;
-
- p->id = desc->id;
- p->flags = desc->flags;
- p->msm_clk.reset = pc_clk_reset;
-
- hw = &p->msm_clk.hw;
- hw->init = &init;
-
- init.name = desc->name;
- init.ops = &clk_ops_pcom;
- init.num_parents = 0;
- init.flags = CLK_IS_ROOT;
-
- if (!(p->flags & CLKFLAG_AUTO_OFF))
- init.flags |= CLK_IGNORE_UNUSED;
-
- c = devm_clk_register(&pdev->dev, hw);
- ret = clk_register_clkdev(c, desc->con, desc->dev);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-static struct platform_driver msm_clock_pcom_driver = {
- .probe = msm_clock_pcom_probe,
- .driver = {
- .name = "msm-clock-pcom",
- },
-};
-module_platform_driver(msm_clock_pcom_driver);
-
-MODULE_LICENSE("GPL v2");