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yaml
---
r: 305600
b: refs/heads/master
c: c2f6702
h: refs/heads/master
v: v3
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Stephen Warren authored and Mark Brown committed Apr 6, 2012
1 parent 8b334ef commit bb8882d
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Showing 3 changed files with 32 additions and 8 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a9005b67b3a2103b2b7e32bf602d3f023076fe06
refs/heads/master: c2f6702d318e43bf841da9c0ba5b6f1695661bbc
29 changes: 24 additions & 5 deletions trunk/sound/soc/tegra/tegra_asoc_utils.c
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
* tegra_asoc_utils.c - Harmony machine ASoC driver
*
* Author: Stephen Warren <swarren@nvidia.com>
* Copyright (C) 2010 - NVIDIA, Inc.
* Copyright (C) 2010,2012 - NVIDIA, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
Expand All @@ -25,6 +25,7 @@
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>

#include "tegra_asoc_utils.h"

Expand All @@ -40,15 +41,21 @@ int tegra_asoc_utils_set_rate(struct tegra_asoc_utils_data *data, int srate,
case 22050:
case 44100:
case 88200:
new_baseclock = 56448000;
if (data->soc == TEGRA_ASOC_UTILS_SOC_TEGRA20)
new_baseclock = 56448000;
else
new_baseclock = 564480000;
break;
case 8000:
case 16000:
case 32000:
case 48000:
case 64000:
case 96000:
new_baseclock = 73728000;
if (data->soc == TEGRA_ASOC_UTILS_SOC_TEGRA20)
new_baseclock = 73728000;
else
new_baseclock = 552960000;
break;
default:
return -EINVAL;
Expand Down Expand Up @@ -78,7 +85,7 @@ int tegra_asoc_utils_set_rate(struct tegra_asoc_utils_data *data, int srate,
return err;
}

/* Don't set cdev1 rate; its locked to pll_a_out0 */
/* Don't set cdev1/extern1 rate; it's locked to pll_a_out0 */

err = clk_enable(data->clk_pll_a);
if (err) {
Expand Down Expand Up @@ -112,6 +119,15 @@ int tegra_asoc_utils_init(struct tegra_asoc_utils_data *data,

data->dev = dev;

if (!of_have_populated_dt())
data->soc = TEGRA_ASOC_UTILS_SOC_TEGRA20;
else if (of_machine_is_compatible("nvidia,tegra20"))
data->soc = TEGRA_ASOC_UTILS_SOC_TEGRA20;
else if (of_machine_is_compatible("nvidia,tegra30"))
data->soc = TEGRA_ASOC_UTILS_SOC_TEGRA30;
else
return -EINVAL;

data->clk_pll_a = clk_get_sys(NULL, "pll_a");
if (IS_ERR(data->clk_pll_a)) {
dev_err(data->dev, "Can't retrieve clk pll_a\n");
Expand All @@ -126,7 +142,10 @@ int tegra_asoc_utils_init(struct tegra_asoc_utils_data *data,
goto err_put_pll_a;
}

data->clk_cdev1 = clk_get_sys(NULL, "cdev1");
if (data->soc == TEGRA_ASOC_UTILS_SOC_TEGRA20)
data->clk_cdev1 = clk_get_sys(NULL, "cdev1");
else
data->clk_cdev1 = clk_get_sys("extern1", NULL);
if (IS_ERR(data->clk_cdev1)) {
dev_err(data->dev, "Can't retrieve clk cdev1\n");
ret = PTR_ERR(data->clk_cdev1);
Expand Down
9 changes: 7 additions & 2 deletions trunk/sound/soc/tegra/tegra_asoc_utils.h
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
* tegra_asoc_utils.h - Definitions for Tegra DAS driver
*
* Author: Stephen Warren <swarren@nvidia.com>
* Copyright (C) 2010 - NVIDIA, Inc.
* Copyright (C) 2010,2012 - NVIDIA, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
Expand All @@ -26,8 +26,14 @@
struct clk;
struct device;

enum tegra_asoc_utils_soc {
TEGRA_ASOC_UTILS_SOC_TEGRA20,
TEGRA_ASOC_UTILS_SOC_TEGRA30,
};

struct tegra_asoc_utils_data {
struct device *dev;
enum tegra_asoc_utils_soc soc;
struct clk *clk_pll_a;
struct clk *clk_pll_a_out0;
struct clk *clk_cdev1;
Expand All @@ -42,4 +48,3 @@ int tegra_asoc_utils_init(struct tegra_asoc_utils_data *data,
void tegra_asoc_utils_fini(struct tegra_asoc_utils_data *data);

#endif

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