/*
* Backlight code for nVidia based graphic cards
*
* Copyright 2004 Antonino Daplas <adaplas@pol.net>
* Copyright (c) 2006 Michael Hanselmann <linux-kernel@hansmi.ch>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/backlight.h>
#include <linux/fb.h>
#include <linux/pci.h>
#ifdef CONFIG_PMAC_BACKLIGHT
#include <asm/backlight.h>
#endif
#include "nv_local.h"
#include "nv_type.h"
#include "nv_proto.h"
/* We do not have any information about which values are allowed, thus
* we used safe values.
*/
#define MIN_LEVEL 0x158
#define MAX_LEVEL 0x534
#define LEVEL_STEP ((MAX_LEVEL - MIN_LEVEL) / FB_BACKLIGHT_MAX)
static int nvidia_bl_get_level_brightness(struct nvidia_par *par,
int level)
{
struct fb_info *info = pci_get_drvdata(par->pci_dev);
int nlevel;
/* Get and convert the value */
/* No locking of bl_curve since we read a single value */
nlevel = MIN_LEVEL + info->bl_curve[level] * LEVEL_STEP;
if (nlevel < 0)
nlevel = 0;
else if (nlevel < MIN_LEVEL)
nlevel = MIN_LEVEL;
else if (nlevel > MAX_LEVEL)
nlevel = MAX_LEVEL;
return nlevel;
}
static int nvidia_bl_update_status(struct backlight_device *bd)
{
struct nvidia_par *par = bl_get_data(bd);
u32 tmp_pcrt, tmp_pmc, fpcontrol;
int level;
if (!par->FlatPanel)
return 0;
if (bd->props.power != FB_BLANK_UNBLANK ||
bd->props.fb_blank != FB_BLANK_UNBLANK)
level = 0;
else
level = bd->props.brightness;
tmp_pmc = NV_RD32(par->PMC, 0x10F0) & 0x0000FFFF;
tmp_pcrt = NV_RD32(par->PCRTC0, 0x081C) & 0xFFFFFFFC;
fpcontrol = NV_RD32(par->PRAMDAC, 0x0848) & 0xCFFFFFCC;
if (level > 0) {
tmp_pcrt |= 0x1;
tmp_pmc |= (1 << 31); /* backlight bit */
tmp_pmc |= nvidia_bl_get_level_brightness(par, level) << 16;
fpcontrol |= par->fpSyncs;
} else
fpcontrol |= 0x20000022;
NV_WR32(par->PCRTC0, 0x081C, tmp_pcrt);
NV_WR32(par->PMC, 0x10F0, tmp_pmc);
NV_WR32(par->PRAMDAC, 0x848, fpcontrol);
return 0;
}
static const struct backlight_ops nvidia_bl_ops = {
.update_status = nvidia_bl_update_status,
};
void nvidia_bl_init(struct nvidia_par *par)
{
struct backlight_properties props;
struct fb_info *info = pci_get_drvdata(par->pci_dev);
struct backlight_device *bd;
char name[12];
if (!par->FlatPanel)
return;
#ifdef CONFIG_PMAC_BACKLIGHT
if (!machine_is(powermac) ||
!pmac_has_backlight_type("mnca"))
return;
#endif
snprintf(name, sizeof(name), "nvidiabl%d", info->node);
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops,
&props);
if (IS_ERR(bd)) {
info->bl_dev = NULL;
printk(KERN_WARNING "nvidia: Backlight registration failed\n");
goto error;
}
info->bl_dev = bd;
fb_bl_default_curve(info, 0,
0x158 * FB_BACKLIGHT_MAX / MAX_LEVEL,
0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL);
bd->props.brightness = bd->props.max_brightness;
bd->props.power = FB_BLANK_UNBLANK;
backlight_update_status(bd);
printk("nvidia: Backlight initialized (%s)\n", name);
return;
error:
return;
}
void nvidia_bl_exit(struct nvidia_par *par)
{
struct fb_info *info = pci_get_drvdata(par->pci_dev);
struct backlight_device *bd = info->bl_dev;
backlight_device_unregister(bd);
printk("nvidia: Backlight unloaded\n");
}
ext.git/commit/sound/soc/codecs/pcm179x.h?h=nds-private-remove&id=c73e44269369e936165f0f9b61f1f09a11dae01c'>pcm179x.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='c73e44269369e936165f0f9b61f1f09a11dae01c'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Vincent <vincent.stehle@laposte.net></td><td class='right'>2017-01-30 15:06:43 +0100</td></tr>
<tr><th>committer</th><td>David S. Miller <davem@davemloft.net></td><td class='right'>2017-01-31 13:07:40 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/codecs/pcm179x.h?h=nds-private-remove&id=c73e44269369e936165f0f9b61f1f09a11dae01c'>c73e44269369e936165f0f9b61f1f09a11dae01c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/soc/codecs/pcm179x.h?id=c73e44269369e936165f0f9b61f1f09a11dae01c'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&id=c73e44269369e936165f0f9b61f1f09a11dae01c'>e2188e900ba06302f8ed2746cb07edd3efbc5c35</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/soc/codecs/pcm179x.h?h=nds-private-remove&id=c73e44269369e936165f0f9b61f1f09a11dae01c'>sound/soc/codecs/pcm179x.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/codecs/pcm179x.h?h=nds-private-remove&id=040587af31228d82c52267f717c9fcdb65f36335'>040587af31228d82c52267f717c9fcdb65f36335</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/codecs/pcm179x.h?h=nds-private-remove&id=c73e44269369e936165f0f9b61f1f09a11dae01c&id2=040587af31228d82c52267f717c9fcdb65f36335'>diff</a>)</td></tr></table>
<div class='commit-subject'>net: thunderx: avoid dereferencing xcv when NULL</div><div class='commit-msg'>This fixes the following smatch and coccinelle warnings:
drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119 xcv_setup_link() error: we previously assumed 'xcv' could be null (see line 118) [smatch]
drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119:16-20: ERROR: xcv is NULL but dereferenced. [coccinelle]
Fixes: 6465859aba1e66a5 ("net: thunderx: Add RGMII interface type support")
Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
Cc: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&id=c73e44269369e936165f0f9b61f1f09a11dae01c'>Diffstat</a> (limited to 'sound/soc/codecs/pcm179x.h')</div><table summary='diffstat' class='diffstat'>