aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/agp/backend.c12
-rw-r--r--drivers/gpu/drm/exynos/Kconfig4
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c109
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c8
-rw-r--r--drivers/gpu/drm/gma500/framebuffer.c8
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c31
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c1
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c56
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h10
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c3
-rw-r--r--drivers/gpu/drm/i915/i915_suspend.c11
-rw-r--r--drivers/gpu/drm/i915/intel_bios.h6
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c23
-rw-r--r--drivers/gpu/drm/i915/intel_display.c22
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c8
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c41
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c8
-rw-r--r--drivers/gpu/drm/i915/intel_sprite.c8
-rw-r--r--drivers/gpu/drm/i915/intel_tv.c138
-rw-r--r--drivers/mfd/mcp-core.c61
-rw-r--r--drivers/mfd/mcp-sa11x0.c169
-rw-r--r--drivers/mfd/ucb1x00-core.c67
-rw-r--r--drivers/mfd/ucb1x00-ts.c34
-rw-r--r--drivers/pcmcia/sa1111_generic.c3
-rw-r--r--drivers/rtc/Kconfig2
-rw-r--r--drivers/rtc/rtc-sa1100.c295
-rw-r--r--drivers/usb/host/ohci-at91.c24
27 files changed, 477 insertions, 685 deletions
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index 4b71647782d0..317c28ce8328 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -194,10 +194,10 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
err_out:
if (bridge->driver->needs_scratch_page) {
- void *va = page_address(bridge->scratch_page_page);
+ struct page *page = bridge->scratch_page_page;
- bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_UNMAP);
- bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_FREE);
+ bridge->driver->agp_destroy_page(page, AGP_PAGE_DESTROY_UNMAP);
+ bridge->driver->agp_destroy_page(page, AGP_PAGE_DESTROY_FREE);
}
if (got_gatt)
bridge->driver->free_gatt_table(bridge);
@@ -221,10 +221,10 @@ static void agp_backend_cleanup(struct agp_bridge_data *bridge)
if (bridge->driver->agp_destroy_page &&
bridge->driver->needs_scratch_page) {
- void *va = page_address(bridge->scratch_page_page);
+ struct page *page = bridge->scratch_page_page;
- bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_UNMAP);
- bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_FREE);
+ bridge->driver->agp_destroy_page(page, AGP_PAGE_DESTROY_UNMAP);
+ bridge->driver->agp_destroy_page(page, AGP_PAGE_DESTROY_FREE);
}
}
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index f9aaa56eae07..b9e5266c341b 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -13,7 +13,7 @@ config DRM_EXYNOS
config DRM_EXYNOS_FIMD
tristate "Exynos DRM FIMD"
- depends on DRM_EXYNOS
+ depends on DRM_EXYNOS && !FB_S3C
default n
help
Choose this option if you want to use Exynos FIMD for DRM.
@@ -21,7 +21,7 @@ config DRM_EXYNOS_FIMD
config DRM_EXYNOS_HDMI
tristate "Exynos DRM HDMI"
- depends on DRM_EXYNOS
+ depends on DRM_EXYNOS && !VIDEO_SAMSUNG_S5P_TV
help
Choose this option if you want to use Exynos HDMI for DRM.
If M is selected, the module will be called exynos_drm_hdmi
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index ca83139cd309..b6a737d196ae 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -158,7 +158,8 @@ static void fimd_dpms(struct device *subdrv_dev, int mode)
case DRM_MODE_DPMS_STANDBY:
case DRM_MODE_DPMS_SUSPEND:
case DRM_MODE_DPMS_OFF:
- pm_runtime_put_sync(subdrv_dev);
+ if (!ctx->suspended)
+ pm_runtime_put_sync(subdrv_dev);
break;
default:
DRM_DEBUG_KMS("unspecified mode %d\n", mode);
@@ -734,6 +735,46 @@ static void fimd_clear_win(struct fimd_context *ctx, int win)
writel(val, ctx->regs + SHADOWCON);
}
+static int fimd_power_on(struct fimd_context *ctx, bool enable)
+{
+ struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
+ struct device *dev = subdrv->manager.dev;
+
+ DRM_DEBUG_KMS("%s\n", __FILE__);
+
+ if (enable != false && enable != true)
+ return -EINVAL;
+
+ if (enable) {
+ int ret;
+
+ ret = clk_enable(ctx->bus_clk);
+ if (ret < 0)
+ return ret;
+
+ ret = clk_enable(ctx->lcd_clk);
+ if (ret < 0) {
+ clk_disable(ctx->bus_clk);
+ return ret;
+ }
+
+ ctx->suspended = false;
+
+ /* if vblank was enabled status, enable it again. */
+ if (test_and_clear_bit(0, &ctx->irq_flags))
+ fimd_enable_vblank(dev);
+
+ fimd_apply(dev);
+ } else {
+ clk_disable(ctx->lcd_clk);
+ clk_disable(ctx->bus_clk);
+
+ ctx->suspended = true;
+ }
+
+ return 0;
+}
+
static int __devinit fimd_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -911,39 +952,30 @@ out:
#ifdef CONFIG_PM_SLEEP
static int fimd_suspend(struct device *dev)
{
- int ret;
+ struct fimd_context *ctx = get_fimd_context(dev);
if (pm_runtime_suspended(dev))
return 0;
- ret = pm_runtime_suspend(dev);
- if (ret < 0)
- return ret;
-
- return 0;
+ /*
+ * do not use pm_runtime_suspend(). if pm_runtime_suspend() is
+ * called here, an error would be returned by that interface
+ * because the usage_count of pm runtime is more than 1.
+ */
+ return fimd_power_on(ctx, false);
}
static int fimd_resume(struct device *dev)
{
- int ret;
-
- ret = pm_runtime_resume(dev);
- if (ret < 0) {
- DRM_ERROR("failed to resume runtime pm.\n");
- return ret;
- }
-
- pm_runtime_disable(dev);
-
- ret = pm_runtime_set_active(dev);
- if (ret < 0) {
- DRM_ERROR("failed to active runtime pm.\n");
- pm_runtime_enable(dev);
- pm_runtime_suspend(dev);
- return ret;
- }
+ struct fimd_context *ctx = get_fimd_context(dev);
- pm_runtime_enable(dev);
+ /*
+ * if entered to sleep when lcd panel was on, the usage_count
+ * of pm runtime would still be 1 so in this case, fimd driver
+ * should be on directly not drawing on pm runtime interface.
+ */
+ if (!pm_runtime_suspended(dev))
+ return fimd_power_on(ctx, true);
return 0;
}
@@ -956,39 +988,16 @@ static int fimd_runtime_suspend(struct device *dev)
DRM_DEBUG_KMS("%s\n", __FILE__);
- clk_disable(ctx->lcd_clk);
- clk_disable(ctx->bus_clk);
-
- ctx->suspended = true;
- return 0;
+ return fimd_power_on(ctx, false);
}
static int fimd_runtime_resume(struct device *dev)
{
struct fimd_context *ctx = get_fimd_context(dev);
- int ret;
DRM_DEBUG_KMS("%s\n", __FILE__);
- ret = clk_enable(ctx->bus_clk);
- if (ret < 0)
- return ret;
-
- ret = clk_enable(ctx->lcd_clk);
- if (ret < 0) {
- clk_disable(ctx->bus_clk);
- return ret;
- }
-
- ctx->suspended = false;
-
- /* if vblank was enabled status, enable it again. */
- if (test_and_clear_bit(0, &ctx->irq_flags))
- fimd_enable_vblank(dev);
-
- fimd_apply(dev);
-
- return 0;
+ return fimd_power_on(ctx, true);
}
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index f48f7ce92f5f..3429d3fd93f3 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1116,8 +1116,8 @@ err_ddc:
err_iomap:
iounmap(hdata->regs);
err_req_region:
- release_resource(hdata->regs_res);
- kfree(hdata->regs_res);
+ release_mem_region(hdata->regs_res->start,
+ resource_size(hdata->regs_res));
err_resource:
hdmi_resources_cleanup(hdata);
err_data:
@@ -1145,8 +1145,8 @@ static int __devexit hdmi_remove(struct platform_device *pdev)
iounmap(hdata->regs);
- release_resource(hdata->regs_res);
- kfree(hdata->regs_res);
+ release_mem_region(hdata->regs_res->start,
+ resource_size(hdata->regs_res));
/* hdmiphy i2c driver */
i2c_del_driver(&hdmiphy_driver);
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 791c0ef1a65b..830dfdd6bf15 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -113,12 +113,12 @@ static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info)
void psbfb_suspend(struct drm_device *dev)
{
- struct drm_framebuffer *fb = 0;
- struct psb_framebuffer *psbfb = to_psb_fb(fb);
+ struct drm_framebuffer *fb;
console_lock();
mutex_lock(&dev->mode_config.mutex);
list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
+ struct psb_framebuffer *psbfb = to_psb_fb(fb);
struct fb_info *info = psbfb->fbdev;
fb_set_suspend(info, 1);
drm_fb_helper_blank(FB_BLANK_POWERDOWN, info);
@@ -129,12 +129,12 @@ void psbfb_suspend(struct drm_device *dev)
void psbfb_resume(struct drm_device *dev)
{
- struct drm_framebuffer *fb = 0;
- struct psb_framebuffer *psbfb = to_psb_fb(fb);
+ struct drm_framebuffer *fb;
console_lock();
mutex_lock(&dev->mode_config.mutex);
list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
+ struct psb_framebuffer *psbfb = to_psb_fb(fb);
struct fb_info *info = psbfb->fbdev;
fb_set_suspend(info, 0);
drm_fb_helper_blank(FB_BLANK_UNBLANK, info);
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 11807989f918..deaa657292b4 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -121,11 +121,11 @@ static const char *cache_level_str(int type)
static void
describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
{
- seq_printf(m, "%p: %s%s %8zd %04x %04x %d %d%s%s%s",
+ seq_printf(m, "%p: %s%s %8zdKiB %04x %04x %d %d%s%s%s",
&obj->base,
get_pin_flag(obj),
get_tiling_flag(obj),
- obj->base.size,
+ obj->base.size / 1024,
obj->base.read_domains,
obj->base.write_domain,
obj->last_rendering_seqno,
@@ -653,7 +653,7 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
seq_printf(m, " Size : %08x\n", ring->size);
seq_printf(m, " Active : %08x\n", intel_ring_get_active_head(ring));
seq_printf(m, " NOPID : %08x\n", I915_READ_NOPID(ring));
- if (IS_GEN6(dev)) {
+ if (IS_GEN6(dev) || IS_GEN7(dev)) {
seq_printf(m, " Sync 0 : %08x\n", I915_READ_SYNC_0(ring));
seq_printf(m, " Sync 1 : %08x\n", I915_READ_SYNC_1(ring));
}
@@ -1075,6 +1075,7 @@ static int gen6_drpc_info(struct seq_file *m)
struct drm_device *dev = node->minor->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
u32 rpmodectl1, gt_core_status, rcctl1;
+ unsigned forcewake_count;
int count=0, ret;
@@ -1082,9 +1083,13 @@ static int gen6_drpc_info(struct seq_file *m)
if (ret)
return ret;
- if (atomic_read(&dev_priv->forcewake_count)) {
- seq_printf(m, "RC information inaccurate because userspace "
- "holds a reference \n");
+ spin_lock_irq(&dev_priv->gt_lock);
+ forcewake_count = dev_priv->forcewake_count;
+ spin_unlock_irq(&dev_priv->gt_lock);
+
+ if (forcewake_count) {
+ seq_printf(m, "RC information inaccurate because somebody "
+ "holds a forcewake reference \n");
} else {
/* NB: we cannot use forcewake, else we read the wrong values */
while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1))
@@ -1106,7 +1111,7 @@ static int gen6_drpc_info(struct seq_file *m)
seq_printf(m, "SW control enabled: %s\n",
yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) ==
GEN6_RP_MEDIA_SW_MODE));
- seq_printf(m, "RC6 Enabled: %s\n",
+ seq_printf(m, "RC1e Enabled: %s\n",
yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE));
seq_printf(m, "RC6 Enabled: %s\n",
yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE));
@@ -1398,9 +1403,13 @@ static int i915_gen6_forcewake_count_info(struct seq_file *m, void *data)
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned forcewake_count;
+
+ spin_lock_irq(&dev_priv->gt_lock);
+ forcewake_count = dev_priv->forcewake_count;
+ spin_unlock_irq(&dev_priv->gt_lock);
- seq_printf(m, "forcewake count = %d\n",
- atomic_read(&dev_priv->forcewake_count));
+ seq_printf(m, "forcewake count = %u\n", forcewake_count);
return 0;
}
@@ -1665,7 +1674,7 @@ static int i915_forcewake_open(struct inode *inode, struct file *file)
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
- if (!IS_GEN6(dev))
+ if (INTEL_INFO(dev)->gen < 6)
return 0;
ret = mutex_lock_interruptible(&dev->struct_mutex);
@@ -1682,7 +1691,7 @@ int i915_forcewake_release(struct inode *inode, struct file *file)
struct drm_device *dev = inode->i_private;
struct drm_i915_private *dev_priv = dev->dev_private;
- if (!IS_GEN6(dev))
+ if (INTEL_INFO(dev)->gen < 6)
return 0;
/*
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 5f4d5893e983..ddfe3d902b2a 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -2045,6 +2045,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
if (!IS_I945G(dev) && !IS_I945GM(dev))
pci_enable_msi(dev->pdev);
+ spin_lock_init(&dev_priv->gt_lock);
spin_lock_init(&dev_priv->irq_lock);
spin_lock_init(&dev_priv->error_lock);
spin_lock_init(&dev_priv->rps_lock);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 8f7187915b0d..308f81913562 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -368,11 +368,12 @@ void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
*/
void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
{
- WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
+ unsigned long irqflags;
- /* Forcewake is atomic in case we get in here without the lock */
- if (atomic_add_return(1, &dev_priv->forcewake_count) == 1)
+ spin_lock_irqsave(&dev_priv->gt_lock, irqflags);
+ if (dev_priv->forcewake_count++ == 0)
dev_priv->display.force_wake_get(dev_priv);
+ spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags);
}
void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
@@ -392,10 +393,12 @@ void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
*/
void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
{
- WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
+ unsigned long irqflags;
- if (atomic_dec_and_test(&dev_priv->forcewake_count))
+ spin_lock_irqsave(&dev_priv->gt_lock, irqflags);
+ if (--dev_priv->forcewake_count == 0)
dev_priv->display.force_wake_put(dev_priv);
+ spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags);
}
void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
@@ -597,9 +600,36 @@ static int ironlake_do_reset(struct drm_device *dev, u8 flags)
static int gen6_do_reset(struct drm_device *dev, u8 flags)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+ unsigned long irqflags;
- I915_WRITE(GEN6_GDRST, GEN6_GRDOM_FULL);
- return wait_for((I915_READ(GEN6_GDRST) & GEN6_GRDOM_FULL) == 0, 500);
+ /* Hold gt_lock across reset to prevent any register access
+ * with forcewake not set correctly
+ */
+ spin_lock_irqsave(&dev_priv->gt_lock, irqflags);
+
+ /* Reset the chip */
+
+ /* GEN6_GDRST is not in the gt power well, no need to check
+ * for fifo space for the write or forcewake the chip for
+ * the read
+ */
+ I915_WRITE_NOTRACE(GEN6_GDRST, GEN6_GRDOM_FULL);
+
+ /* Spin waiting for the device to ack the reset request */
+ ret = wait_for((I915_READ_NOTRACE(GEN6_GDRST) & GEN6_GRDOM_FULL) == 0, 500);
+
+ /* If reset with a user forcewake, try to restore, otherwise turn it off */
+ if (dev_priv->forcewake_count)
+ dev_priv->display.force_wake_get(dev_priv);
+ else
+ dev_priv->display.force_wake_put(dev_priv);
+
+ /* Restore fifo count */
+ dev_priv->gt_fifo_count = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);
+
+ spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags);
+ return ret;
}
/**
@@ -643,9 +673,6 @@ int i915_reset(struct drm_device *dev, u8 flags)
case 7:
case 6:
ret = gen6_do_reset(dev, flags);
- /* If reset with a user forcewake, try to restore */
- if (atomic_read(&dev_priv->forcewake_count))
- __gen6_gt_force_wake_get(dev_priv);
break;
case 5:
ret = ironlake_do_reset(dev, flags);
@@ -927,9 +954,14 @@ MODULE_LICENSE("GPL and additional rights");
u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
u##x val = 0; \
if (NEEDS_FORCE_WAKE((dev_priv), (reg))) { \
- gen6_gt_force_wake_get(dev_priv); \
+ unsigned long irqflags; \
+ spin_lock_irqsave(&dev_priv->gt_lock, irqflags); \
+ if (dev_priv->forcewake_count == 0) \
+ dev_priv->display.force_wake_get(dev_priv); \
val = read##y(dev_priv->regs + reg); \
- gen6_gt_force_wake_put(dev_priv); \
+ if (dev_priv->forcewake_count == 0) \
+ dev_priv->display.force_wake_put(dev_priv); \
+ spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags); \
} else { \
val = read##y(dev_priv->regs + reg); \
} \
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 602bc80baabb..9689ca38b2b3 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -288,7 +288,13 @@ typedef struct drm_i915_private {
int relative_constants_mode;
void __iomem *regs;
- u32 gt_fifo_count;
+ /** gt_fifo_count and the subsequent register write are synchronized
+ * with dev->struct_mutex. */
+ unsigned gt_fifo_count;
+ /** forcewake_count is protected by gt_lock */
+ unsigned forcewake_count;
+ /** gt_lock is also taken in irq contexts. */
+ struct spinlock gt_lock;
struct intel_gmbus {
struct i2c_adapter adapter;
@@ -741,8 +747,6 @@ typedef struct drm_i915_private {
struct drm_property *broadcast_rgb_property;
struct drm_property *force_audio_property;
-
- atomic_t forcewake_count;
} drm_i915_private_t;
enum i915_cache_level {
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 5d433fc11ace..5bd4361ea84d 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1751,7 +1751,8 @@ static void ironlake_irq_preinstall(struct drm_device *dev)
INIT_WORK(&dev_priv->rps_work, gen6_pm_rps_work);
I915_WRITE(HWSTAM, 0xeffe);
- if (IS_GEN6(dev) || IS_GEN7(dev)) {
+
+ if (IS_GEN6(dev)) {
/* Workaround stalls observed on Sandy Bridge GPUs by
* making the blitter command streamer generate a
* write to the Hardware Status Page for
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 7886e4fb60e3..2b5eb229ff2c 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -28,14 +28,19 @@
#include "drm.h"
#include "i915_drm.h"
#include "intel_drv.h"
+#include "i915_reg.h"
static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 dpll_reg;
+ /* On IVB, 3rd pipe shares PLL with another one */
+ if (pipe > 1)
+ return false;
+
if (HAS_PCH_SPLIT(dev))
- dpll_reg = (pipe == PIPE_A) ? _PCH_DPLL_A : _PCH_DPLL_B;
+ dpll_reg = PCH_DPLL(pipe);
else
dpll_reg = (pipe == PIPE_A) ? _DPLL_A : _DPLL_B;
@@ -822,7 +827,7 @@ int i915_save_state(struct drm_device *dev)
if (IS_IRONLAKE_M(dev))
ironlake_disable_drps(dev);
- if (IS_GEN6(dev))
+ if (INTEL_INFO(dev)->gen >= 6)
gen6_disable_rps(dev);
/* Cache mode state */
@@ -881,7 +886,7 @@ int i915_restore_state(struct drm_device *dev)
intel_init_emon(dev);
}
- if (IS_GEN6(dev)) {
+ if (INTEL_INFO(dev)->gen >= 6) {
gen6_enable_rps(dev_priv);
gen6_update_ring_freq(dev_priv);
}
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index 8af3735e27c6..dbda6e3bdf07 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -467,8 +467,12 @@ struct edp_link_params {
struct bdb_edp {
struct edp_power_seq power_seqs[16];
u32 color_depth;
- u32 sdrrs_msa_timing_delay;
struct edp_link_params link_params[16];
+ u32 sdrrs_msa_timing_delay;
+
+ /* ith bit indicates enabled/disabled for (i+1)th panel */
+ u16 edp_s3d_feature;
+ u16 edp_t3_optimization;
} __attribute__ ((packed));
void intel_setup_bios(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index fee0ad02c6d0..dd729d46a61f 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -24,6 +24,7 @@
* Eric Anholt <eric@anholt.net>
*/
+#include <linux/dmi.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include "drmP.h"
@@ -540,6 +541,24 @@ static const struct drm_encoder_funcs intel_crt_enc_funcs = {
.destroy = intel_encoder_destroy,
};
+static int __init intel_no_crt_dmi_callback(const struct dmi_system_id *id)
+{
+ DRM_DEBUG_KMS("Skipping CRT initialization for %s\n", id->ident);
+ return 1;
+}
+
+static const struct dmi_system_id intel_no_crt[] = {
+ {
+ .callback = intel_no_crt_dmi_callback,
+ .ident = "ACER ZGB",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"),
+ },
+ },
+ { }
+};
+
void intel_crt_init(struct drm_device *dev)
{
struct drm_connector *connector;
@@ -547,6 +566,10 @@ void intel_crt_init(struct drm_device *dev)
struct intel_connector *intel_connector;
struct drm_i915_private *dev_priv = dev->dev_private;
+ /* Skip machines without VGA that falsely report hotplug events */
+ if (dmi_check_system(intel_no_crt))
+ return;
+
crt = kzalloc(sizeof(struct intel_crt), GFP_KERNEL);
if (!crt)
return;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2a3f707caab8..b3b51c43dad0 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5808,12 +5808,15 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
if (is_lvds) {
temp = I915_READ(PCH_LVDS);
temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
- if (HAS_PCH_CPT(dev))
+ if (HAS_PCH_CPT(dev)) {
+ temp &= ~PORT_TRANS_SEL_MASK;
temp |= PORT_TRANS_SEL_CPT(pipe);
- else if (pipe == 1)
- temp |= LVDS_PIPEB_SELECT;
- else
- temp &= ~LVDS_PIPEB_SELECT;
+ } else {
+ if (pipe == 1)
+ temp |= LVDS_PIPEB_SELECT;
+ else
+ temp &= ~LVDS_PIPEB_SELECT;
+ }
/* set the corresponsding LVDS_BORDER bit */
temp |= dev_priv->lvds_border_bits;
@@ -9025,12 +9028,9 @@ void intel_modeset_init(struct drm_device *dev)
for (i = 0; i < dev_priv->num_pipe; i++) {
intel_crtc_init(dev, i);
- if (HAS_PCH_SPLIT(dev)) {
- ret = intel_plane_init(dev, i);
- if (ret)
- DRM_ERROR("plane %d init failed: %d\n",
- i, ret);
- }
+ ret = intel_plane_init(dev, i);
+ if (ret)
+ DRM_DEBUG_KMS("plane %d init failed: %d\n", i, ret);
}
/* Just disable it once at startup */
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index e44191132ac4..798f6e1aa544 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -708,6 +708,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
},
},
{
+ .callback = intel_no_lvds_dmi_callback,
+ .ident = "Clientron E830",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Clientron"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "E830"),
+ },
+ },
+ {
.callback = intel_no_lvds_dmi_callback,
.ident = "Asus EeeBox PC EB1007",
.matches = {
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 77e729d4e4f0..1ab842c6032e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -636,6 +636,19 @@ render_ring_add_request(struct intel_ring_buffer *ring,
}
static u32
+gen6_ring_get_seqno(struct intel_ring_buffer *ring)
+{
+ struct drm_device *dev = ring->dev;
+
+ /* Workaround to force correct ordering between irq and seqno writes on
+ * ivb (and maybe also on snb) by reading from a CS register (like
+ * ACTHD) before reading the status page. */
+ if (IS_GEN7(dev))
+ intel_ring_get_active_head(ring);
+ return intel_read_status_page(ring, I915_GEM_HWS_INDEX);
+}
+
+static u32
ring_get_seqno(struct intel_ring_buffer *ring)
{
return intel_read_status_page(ring, I915_GEM_HWS_INDEX);
@@ -792,17 +805,6 @@ ring_add_request(struct intel_ring_buffer *ring,
}
static bool
-gen7_blt_ring_get_irq(struct intel_ring_buffer *ring)
-{
- /* The BLT ring on IVB appears to have broken synchronization
- * between the seqno write and the interrupt, so that the
- * interrupt appears first. Returning false here makes
- * i915_wait_request() do a polling loop, instead.
- */
- return false;
-}
-
-static bool
gen6_ring_get_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag)
{
struct drm_device *dev = ring->dev;
@@ -811,6 +813,12 @@ gen6_ring_get_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag)
if (!dev->irq_enabled)
return false;
+ /* It looks like we need to prevent the gt from suspending while waiting
+ * for an notifiy irq, otherwise irqs seem to get lost on at least the
+ * blt/bsd rings on ivb. */
+ if (IS_GEN7(dev))
+ gen6_gt_force_wake_get(dev_priv);
+
spin_lock(&ring->irq_lock);
if (ring->irq_refcount++ == 0) {
ring->irq_mask &= ~rflag;
@@ -835,6 +843,9 @@ gen6_ring_put_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag)
ironlake_disable_irq(dev_priv, gflag);
}
spin_unlock(&ring->irq_lock);
+
+ if (IS_GEN7(dev))
+ gen6_gt_force_wake_put(dev_priv);
}
static bool
@@ -1341,7 +1352,7 @@ static const struct intel_ring_buffer gen6_bsd_ring = {
.write_tail = gen6_bsd_ring_write_tail,
.flush = gen6_ring_flush,
.add_request = gen6_add_request,
- .get_seqno = ring_get_seqno,
+ .get_seqno = gen6_ring_get_seqno,
.irq_get = gen6_bsd_ring_get_irq,
.irq_put = gen6_bsd_ring_put_irq,
.dispatch_execbuffer = gen6_ring_dispatch_execbuffer,
@@ -1476,7 +1487,7 @@ static const struct intel_ring_buffer gen6_blt_ring = {
.write_tail = ring_write_tail,
.flush = blt_ring_flush,
.add_request = gen6_add_request,
- .get_seqno = ring_get_seqno,
+ .get_seqno = gen6_ring_get_seqno,
.irq_get = blt_ring_get_irq,
.irq_put = blt_ring_put_irq,
.dispatch_execbuffer = gen6_ring_dispatch_execbuffer,
@@ -1499,6 +1510,7 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
ring->flush = gen6_render_ring_flush;
ring->irq_get = gen6_render_ring_get_irq;
ring->irq_put = gen6_render_ring_put_irq;
+ ring->get_seqno = gen6_ring_get_seqno;
} else if (IS_GEN5(dev)) {
ring->add_request = pc_render_add_request;
ring->get_seqno = pc_render_get_seqno;
@@ -1577,8 +1589,5 @@ int intel_init_blt_ring_buffer(struct drm_device *dev)
*ring = gen6_blt_ring;
- if (IS_GEN7(dev))
- ring->irq_get = gen7_blt_ring_get_irq;
-
return intel_init_ring_buffer(dev, ring);
}
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index f7b9268df266..e334ec33a47d 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1066,15 +1066,13 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
/* Set the SDVO control regs. */
if (INTEL_INFO(dev)->gen >= 4) {
- sdvox = 0;
+ /* The real mode polarity is set by the SDVO commands, using
+ * struct intel_sdvo_dtd. */
+ sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
if (intel_sdvo->is_hdmi)
sdvox |= intel_sdvo->color_range;
if (INTEL_INFO(dev)->gen < 5)
sdvox |= SDVO_BORDER_ENABLE;
- if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
- sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
- if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
- sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
} else {
sdvox = I915_READ(intel_sdvo->sdvo_reg);
switch (intel_sdvo->sdvo_reg) {
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index d13989fda501..2288abf88cce 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -466,10 +466,8 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
mutex_lock(&dev->struct_mutex);
ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
- if (ret) {
- DRM_ERROR("failed to pin object\n");
+ if (ret)
goto out_unlock;
- }
intel_plane->obj = obj;
@@ -632,10 +630,8 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe)
unsigned long possible_crtcs;
int ret;
- if (!(IS_GEN6(dev) || IS_GEN7(dev))) {
- DRM_ERROR("new plane code only for SNB+\n");
+ if (!(IS_GEN6(dev) || IS_GEN7(dev)))
return -ENODEV;
- }
intel_plane = kzalloc(sizeof(struct intel_plane), GFP_KERNEL);
if (!intel_plane)
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index f3c6a9a8b081..1571be37ce3e 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -417,7 +417,7 @@ static const struct tv_mode tv_modes[] = {
{
.name = "NTSC-M",
.clock = 108000,
- .refresh = 29970,
+ .refresh = 59940,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
/* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */
@@ -460,7 +460,7 @@ static const struct tv_mode tv_modes[] = {
{
.name = "NTSC-443",
.clock = 108000,
- .refresh = 29970,
+ .refresh = 59940,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
/* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 4.43MHz */
@@ -502,7 +502,7 @@ static const struct tv_mode tv_modes[] = {
{
.name = "NTSC-J",
.clock = 108000,
- .refresh = 29970,
+ .refresh = 59940,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
@@ -545,7 +545,7 @@ static const struct tv_mode tv_modes[] = {
{
.name = "PAL-M",
.clock = 108000,
- .refresh = 29970,
+ .refresh = 59940,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
@@ -589,7 +589,7 @@ static const struct tv_mode tv_modes[] = {
/* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
.name = "PAL-N",
.clock = 108000,
- .refresh = 25000,
+ .refresh = 50000,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
@@ -634,7 +634,7 @@ static const struct tv_mode tv_modes[] = {
/* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
.name = "PAL",
.clock = 108000,
- .refresh = 25000,
+ .refresh = 50000,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
@@ -674,78 +674,6 @@ static const struct tv_mode tv_modes[] = {
.filter_table = filter_table,
},
{
- .name = "480p@59.94Hz",
- .clock = 107520,
- .refresh = 59940,
- .oversample = TV_OVERSAMPLE_4X,
- .component_only = 1,
-
- .hsync_end = 64, .hblank_end = 122,
- .hblank_start = 842, .htotal = 857,
-
- .progressive = true, .trilevel_sync = false,
-
- .vsync_start_f1 = 12, .vsync_start_f2 = 12,
- .vsync_len = 12,
-
- .veq_ena = false,
-
- .vi_end_f1 = 44, .vi_end_f2 = 44,
- .nbr_end = 479,
-
- .burst_ena = false,
-
- .filter_table = filter_table,
- },
- {
- .name = "480p@60Hz",
- .clock = 107520,
- .refresh = 60000,
- .oversample = TV_OVERSAMPLE_4X,
- .component_only = 1,
-
- .hsync_end = 64, .hblank_end = 122,
- .hblank_start = 842, .htotal = 856,
-
- .progressive = true, .trilevel_sync = false,
-
- .vsync_start_f1 = 12, .vsync_start_f2 = 12,
- .vsync_len = 12,
-
- .veq_ena = false,
-
- .vi_end_f1 = 44, .vi_end_f2 = 44,
- .nbr_end = 479,
-
- .burst_ena = false,
-
- .filter_table = filter_table,
- },
- {
- .name = "576p",
- .clock = 107520,
- .refresh = 50000,
- .oversample = TV_OVERSAMPLE_4X,
- .component_only = 1,
-
- .hsync_end = 64, .hblank_end = 139,
- .hblank_start = 859, .htotal = 863,
-
- .progressive = true, .trilevel_sync = false,
-
- .vsync_start_f1 = 10, .vsync_start_f2 = 10,
- .vsync_len = 10,
-
- .veq_ena = false,
-
- .vi_end_f1 = 48, .vi_end_f2 = 48,
- .nbr_end = 575,
-
- .burst_ena = false,
-
- .filter_table = filter_table,
- },
- {
.name = "720p@60Hz",
.clock = 148800,
.refresh = 60000,
@@ -770,30 +698,6 @@ static const struct tv_mode tv_modes[] = {
.filter_table = filter_table,
},
{
- .name = "720p@59.94Hz",
- .clock = 148800,
- .refresh = 59940,
- .oversample = TV_OVERSAMPLE_2X,
- .component_only = 1,
-
- .hsync_end = 80, .hblank_end = 300,
- .hblank_start = 1580, .htotal = 1651,
-
- .progressive = true, .trilevel_sync = true,
-
- .vsync_start_f1 = 10, .vsync_start_f2 = 10,
- .vsync_len = 10,
-
- .veq_ena = false,
-
- .vi_end_f1 = 29, .vi_end_f2 = 29,
- .nbr_end = 719,
-
- .burst_ena = false,
-
- .filter_table = filter_table,
- },
- {
.name = "720p@50Hz",
.clock = 148800,
.refresh = 50000,
@@ -821,7 +725,7 @@ static const struct tv_mode tv_modes[] = {
{
.name = "1080i@50Hz",
.clock = 148800,
- .refresh = 25000,
+ .refresh = 50000,
.oversample = TV_OVERSAMPLE_2X,
.component_only = 1,
@@ -847,7 +751,7 @@ static const struct tv_mode tv_modes[] = {
{
.name = "1080i@60Hz",
.clock = 148800,
- .refresh = 30000,
+ .refresh = 60000,
.oversample = TV_OVERSAMPLE_2X,
.component_only = 1,
@@ -870,32 +774,6 @@ static const struct tv_mode tv_modes[] = {
.filter_table = filter_table,
},
- {
- .name = "1080i@59.94Hz",
- .clock = 148800,
- .refresh = 29970,
- .oversample = TV_OVERSAMPLE_2X,
- .component_only = 1,
-
- .hsync_end = 88, .hblank_end = 235,
- .hblank_start = 2155, .htotal = 2201,
-
- .progressive = false, .trilevel_sync = true,
-
- .vsync_start_f1 = 4, .vsync_start_f2 = 5,
- .vsync_len = 10,
-
- .veq_ena = true, .veq_start_f1 = 4,
- .veq_start_f2 = 4, .veq_len = 10,
-
-
- .vi_end_f1 = 21, .vi_end_f2 = 22,
- .nbr_end = 539,
-
- .burst_ena = false,
-
- .filter_table = filter_table,
- },
};
static struct intel_tv *enc_to_intel_tv(struct drm_encoder *encoder)
diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c
index 63be60bc3455..86cc3f7841cd 100644
--- a/drivers/mfd/mcp-core.c
+++ b/drivers/mfd/mcp-core.c
@@ -26,35 +26,9 @@
#define to_mcp(d) container_of(d, struct mcp, attached_device)
#define to_mcp_driver(d) container_of(d, struct mcp_driver, drv)
-static const struct mcp_device_id *mcp_match_id(const struct mcp_device_id *id,
- const char *codec)
-{
- while (id->name[0]) {
- if (strcmp(codec, id->name) == 0)
- return id;
- id++;
- }
- return NULL;
-}
-
-const struct mcp_device_id *mcp_get_device_id(const struct mcp *mcp)
-{
- const struct mcp_driver *driver =
- to_mcp_driver(mcp->attached_device.driver);
-
- return mcp_match_id(driver->id_table, mcp->codec);
-}
-EXPORT_SYMBOL(mcp_get_device_id);
-
static int mcp_bus_match(struct device *dev, struct device_driver *drv)
{
- const struct mcp *mcp = to_mcp(dev);
- const struct mcp_driver *driver = to_mcp_driver(drv);
-
- if (driver->id_table)
- return !!mcp_match_id(driver->id_table, mcp->codec);
-
- return 0;
+ return 1;
}
static int mcp_bus_probe(struct device *dev)
@@ -100,18 +74,9 @@ static int mcp_bus_resume(struct device *dev)
return ret;
}
-static int mcp_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
-{
- struct mcp *mcp = to_mcp(dev);
-
- add_uevent_var(env, "MODALIAS=%s%s", MCP_MODULE_PREFIX, mcp->codec);
- return 0;
-}
-
static struct bus_type mcp_bus_type = {
.name = "mcp",
.match = mcp_bus_match,
- .uevent = mcp_bus_uevent,
.probe = mcp_bus_probe,
.remove = mcp_bus_remove,
.suspend = mcp_bus_suspend,
@@ -128,9 +93,11 @@ static struct bus_type mcp_bus_type = {
*/
void mcp_set_telecom_divisor(struct mcp *mcp, unsigned int div)
{
- spin_lock_irq(&mcp->lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&mcp->lock, flags);
mcp->ops->set_telecom_divisor(mcp, div);
- spin_unlock_irq(&mcp->lock);
+ spin_unlock_irqrestore(&mcp->lock, flags);
}
EXPORT_SYMBOL(mcp_set_telecom_divisor);
@@ -143,9 +110,11 @@ EXPORT_SYMBOL(mcp_set_telecom_divisor);
*/
void mcp_set_audio_divisor(struct mcp *mcp, unsigned int div)
{
- spin_lock_irq(&mcp->lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&mcp->lock, flags);
mcp->ops->set_audio_divisor(mcp, div);
- spin_unlock_irq(&mcp->lock);
+ spin_unlock_irqrestore(&mcp->lock, flags);
}
EXPORT_SYMBOL(mcp_set_audio_divisor);
@@ -198,10 +167,11 @@ EXPORT_SYMBOL(mcp_reg_read);
*/
void mcp_enable(struct mcp *mcp)
{
- spin_lock_irq(&mcp->lock);
+ unsigned long flags;
+ spin_lock_irqsave(&mcp->lock, flags);
if (mcp->use_count++ == 0)
mcp->ops->enable(mcp);
- spin_unlock_irq(&mcp->lock);
+ spin_unlock_irqrestore(&mcp->lock, flags);
}
EXPORT_SYMBOL(mcp_enable);
@@ -247,14 +217,9 @@ struct mcp *mcp_host_alloc(struct device *parent, size_t size)
}
EXPORT_SYMBOL(mcp_host_alloc);
-int mcp_host_register(struct mcp *mcp, void *pdata)
+int mcp_host_register(struct mcp *mcp)
{
- if (!mcp->codec)
- return -EINVAL;
-
- mcp->attached_device.platform_data = pdata;
dev_set_name(&mcp->attached_device, "mcp0");
- request_module("%s%s", MCP_MODULE_PREFIX, mcp->codec);
return device_register(&mcp->attached_device);
}
EXPORT_SYMBOL(mcp_host_register);
diff --git a/drivers/mfd/mcp-sa11x0.c b/drivers/mfd/mcp-sa11x0.c
index 9adc2eb69492..02c53a0766c4 100644
--- a/drivers/mfd/mcp-sa11x0.c
+++ b/drivers/mfd/mcp-sa11x0.c
@@ -19,7 +19,6 @@
#include <linux/spinlock.h>
#include <linux/platform_device.h>
#include <linux/mfd/mcp.h>
-#include <linux/io.h>
#include <mach/dma.h>
#include <mach/hardware.h>
@@ -27,19 +26,12 @@
#include <asm/system.h>
#include <mach/mcp.h>
-/* Register offsets */
-#define MCCR0 0x00
-#define MCDR0 0x08
-#define MCDR1 0x0C
-#define MCDR2 0x10
-#define MCSR 0x18
-#define MCCR1 0x00
+#include <mach/assabet.h>
+
struct mcp_sa11x0 {
- u32 mccr0;
- u32 mccr1;
- unsigned char *mccr0_base;
- unsigned char *mccr1_base;
+ u32 mccr0;
+ u32 mccr1;
};
#define priv(mcp) ((struct mcp_sa11x0 *)mcp_priv(mcp))
@@ -47,25 +39,25 @@ struct mcp_sa11x0 {
static void
mcp_sa11x0_set_telecom_divisor(struct mcp *mcp, unsigned int divisor)
{
- struct mcp_sa11x0 *priv = priv(mcp);
+ unsigned int mccr0;
divisor /= 32;
- priv->mccr0 &= ~0x00007f00;
- priv->mccr0 |= divisor << 8;
- __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0);
+ mccr0 = Ser4MCCR0 & ~0x00007f00;
+ mccr0 |= divisor << 8;
+ Ser4MCCR0 = mccr0;
}
static void
mcp_sa11x0_set_audio_divisor(struct mcp *mcp, unsigned int divisor)
{
- struct mcp_sa11x0 *priv = priv(mcp);
+ unsigned int mccr0;
divisor /= 32;
- priv->mccr0 &= ~0x0000007f;
- priv->mccr0 |= divisor;
- __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0);
+ mccr0 = Ser4MCCR0 & ~0x0000007f;
+ mccr0 |= divisor;
+ Ser4MCCR0 = mccr0;
}
/*
@@ -79,16 +71,12 @@ mcp_sa11x0_write(struct mcp *mcp, unsigned int reg, unsigned int val)
{
int ret = -ETIME;
int i;
- u32 mcpreg;
- struct mcp_sa11x0 *priv = priv(mcp);
- mcpreg = reg << 17 | MCDR2_Wr | (val & 0xffff);
- __raw_writel(mcpreg, priv->mccr0_base + MCDR2);
+ Ser4MCDR2 = reg << 17 | MCDR2_Wr | (val & 0xffff);
for (i = 0; i < 2; i++) {
udelay(mcp->rw_timeout);
- mcpreg = __raw_readl(priv->mccr0_base + MCSR);
- if (mcpreg & MCSR_CWC) {
+ if (Ser4MCSR & MCSR_CWC) {
ret = 0;
break;
}
@@ -109,18 +97,13 @@ mcp_sa11x0_read(struct mcp *mcp, unsigned int reg)
{
int ret = -ETIME;
int i;
- u32 mcpreg;
- struct mcp_sa11x0 *priv = priv(mcp);
- mcpreg = reg << 17 | MCDR2_Rd;
- __raw_writel(mcpreg, priv->mccr0_base + MCDR2);
+ Ser4MCDR2 = reg << 17 | MCDR2_Rd;
for (i = 0; i < 2; i++) {
udelay(mcp->rw_timeout);
- mcpreg = __raw_readl(priv->mccr0_base + MCSR);
- if (mcpreg & MCSR_CRC) {
- ret = __raw_readl(priv->mccr0_base + MCDR2)
- & 0xffff;
+ if (Ser4MCSR & MCSR_CRC) {
+ ret = Ser4MCDR2 & 0xffff;
break;
}
}
@@ -133,19 +116,13 @@ mcp_sa11x0_read(struct mcp *mcp, unsigned int reg)
static void mcp_sa11x0_enable(struct mcp *mcp)
{
- struct mcp_sa11x0 *priv = priv(mcp);
-
- __raw_writel(-1, priv->mccr0_base + MCSR);
- priv->mccr0 |= MCCR0_MCE;
- __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0);
+ Ser4MCSR = -1;
+ Ser4MCCR0 |= MCCR0_MCE;
}
static void mcp_sa11x0_disable(struct mcp *mcp)
{
- struct mcp_sa11x0 *priv = priv(mcp);
-
- priv->mccr0 &= ~MCCR0_MCE;
- __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0);
+ Ser4MCCR0 &= ~MCCR0_MCE;
}
/*
@@ -165,69 +142,50 @@ static int mcp_sa11x0_probe(struct platform_device *pdev)
struct mcp_plat_data *data = pdev->dev.platform_data;
struct mcp *mcp;
int ret;
- struct mcp_sa11x0 *priv;
- struct resource *res_mem0, *res_mem1;
- u32 size0, size1;
if (!data)
return -ENODEV;
- if (!data->codec)
- return -ENODEV;
-
- res_mem0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res_mem0)
- return -ENODEV;
- size0 = res_mem0->end - res_mem0->start + 1;
-
- res_mem1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!res_mem1)
- return -ENODEV;
- size1 = res_mem1->end - res_mem1->start + 1;
-
- if (!request_mem_region(res_mem0->start, size0, "sa11x0-mcp"))
+ if (!request_mem_region(0x80060000, 0x60, "sa11x0-mcp"))
return -EBUSY;
- if (!request_mem_region(res_mem1->start, size1, "sa11x0-mcp")) {
- ret = -EBUSY;
- goto release;
- }
-
mcp = mcp_host_alloc(&pdev->dev, sizeof(struct mcp_sa11x0));
if (!mcp) {
ret = -ENOMEM;
- goto release2;
+ goto release;
}
- priv = priv(mcp);
-
mcp->owner = THIS_MODULE;
mcp->ops = &mcp_sa11x0;
mcp->sclk_rate = data->sclk_rate;
- mcp->dma_audio_rd = DDAR_DevAdd(res_mem0->start + MCDR0)
- + DDAR_DevRd + DDAR_Brst4 + DDAR_8BitDev;
- mcp->dma_audio_wr = DDAR_DevAdd(res_mem0->start + MCDR0)
- + DDAR_DevWr + DDAR_Brst4 + DDAR_8BitDev;
- mcp->dma_telco_rd = DDAR_DevAdd(res_mem0->start + MCDR1)
- + DDAR_DevRd + DDAR_Brst4 + DDAR_8BitDev;
- mcp->dma_telco_wr = DDAR_DevAdd(res_mem0->start + MCDR1)
- + DDAR_DevWr + DDAR_Brst4 + DDAR_8BitDev;
- mcp->codec = data->codec;
+ mcp->dma_audio_rd = DMA_Ser4MCP0Rd;
+ mcp->dma_audio_wr = DMA_Ser4MCP0Wr;
+ mcp->dma_telco_rd = DMA_Ser4MCP1Rd;
+ mcp->dma_telco_wr = DMA_Ser4MCP1Wr;
+ mcp->gpio_base = data->gpio_base;
platform_set_drvdata(pdev, mcp);
+ if (machine_is_assabet()) {
+ ASSABET_BCR_set(ASSABET_BCR_CODEC_RST);
+ }
+
+ /*
+ * Setup the PPC unit correctly.
+ */
+ PPDR &= ~PPC_RXD4;
+ PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
+ PSDR |= PPC_RXD4;
+ PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+ PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
+
/*
* Initialise device. Note that we initially
* set the sampling rate to minimum.
*/
- priv->mccr0_base = ioremap(res_mem0->start, size0);
- priv->mccr1_base = ioremap(res_mem1->start, size1);
-
- __raw_writel(-1, priv->mccr0_base + MCSR);
- priv->mccr1 = data->mccr1;
- priv->mccr0 = data->mccr0 | 0x7f7f;
- __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0);
- __raw_writel(priv->mccr1, priv->mccr1_base + MCCR1);
+ Ser4MCSR = -1;
+ Ser4MCCR1 = data->mccr1;
+ Ser4MCCR0 = data->mccr0 | 0x7f7f;
/*
* Calculate the read/write timeout (us) from the bit clock
@@ -237,53 +195,36 @@ static int mcp_sa11x0_probe(struct platform_device *pdev)
mcp->rw_timeout = (64 * 3 * 1000000 + mcp->sclk_rate - 1) /
mcp->sclk_rate;
- ret = mcp_host_register(mcp, data->codec_pdata);
+ ret = mcp_host_register(mcp);
if (ret == 0)
goto out;
- release2:
- release_mem_region(res_mem1->start, size1);
release:
- release_mem_region(res_mem0->start, size0);
+ release_mem_region(0x80060000, 0x60);
platform_set_drvdata(pdev, NULL);
out:
return ret;
}
-static int mcp_sa11x0_remove(struct platform_device *pdev)
+static int mcp_sa11x0_remove(struct platform_device *dev)
{
- struct mcp *mcp = platform_get_drvdata(pdev);
- struct mcp_sa11x0 *priv = priv(mcp);
- struct resource *res_mem;
- u32 size;
+ struct mcp *mcp = platform_get_drvdata(dev);
- platform_set_drvdata(pdev, NULL);
+ platform_set_drvdata(dev, NULL);
mcp_host_unregister(mcp);
+ release_mem_region(0x80060000, 0x60);
- res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res_mem) {
- size = res_mem->end - res_mem->start + 1;
- release_mem_region(res_mem->start, size);
- }
- res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (res_mem) {
- size = res_mem->end - res_mem->start + 1;
- release_mem_region(res_mem->start, size);
- }
- iounmap(priv->mccr0_base);
- iounmap(priv->mccr1_base);
return 0;
}
static int mcp_sa11x0_suspend(struct platform_device *dev, pm_message_t state)
{
struct mcp *mcp = platform_get_drvdata(dev);
- struct mcp_sa11x0 *priv = priv(mcp);
- u32 mccr0;
- mccr0 = priv->mccr0 & ~MCCR0_MCE;
- __raw_writel(mccr0, priv->mccr0_base + MCCR0);
+ priv(mcp)->mccr0 = Ser4MCCR0;
+ priv(mcp)->mccr1 = Ser4MCCR1;
+ Ser4MCCR0 &= ~MCCR0_MCE;
return 0;
}
@@ -291,10 +232,9 @@ static int mcp_sa11x0_suspend(struct platform_device *dev, pm_message_t state)
static int mcp_sa11x0_resume(struct platform_device *dev)
{
struct mcp *mcp = platform_get_drvdata(dev);
- struct mcp_sa11x0 *priv = priv(mcp);
- __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0);
- __raw_writel(priv->mccr1, priv->mccr1_base + MCCR1);
+ Ser4MCCR1 = priv(mcp)->mccr1;
+ Ser4MCCR0 = priv(mcp)->mccr0;
return 0;
}
@@ -311,7 +251,6 @@ static struct platform_driver mcp_sa11x0_driver = {
.resume = mcp_sa11x0_resume,
.driver = {
.name = "sa11x0-mcp",
- .owner = THIS_MODULE,
},
};
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index 91c4f25e0e55..febc90cdef7e 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -36,15 +36,6 @@ static DEFINE_MUTEX(ucb1x00_mutex);
static LIST_HEAD(ucb1x00_drivers);
static LIST_HEAD(ucb1x00_devices);
-static struct mcp_device_id ucb1x00_id[] = {
- { "ucb1x00", 0 }, /* auto-detection */
- { "ucb1200", UCB_ID_1200 },
- { "ucb1300", UCB_ID_1300 },
- { "tc35143", UCB_ID_TC35143 },
- { }
-};
-MODULE_DEVICE_TABLE(mcp, ucb1x00_id);
-
/**
* ucb1x00_io_set_dir - set IO direction
* @ucb: UCB1x00 structure describing chip
@@ -157,16 +148,22 @@ static int ucb1x00_gpio_direction_output(struct gpio_chip *chip, unsigned offset
{
struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
unsigned long flags;
+ unsigned old, mask = 1 << offset;
spin_lock_irqsave(&ucb->io_lock, flags);
- ucb->io_dir |= (1 << offset);
- ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);
-
+ old = ucb->io_out;
if (value)
- ucb->io_out |= 1 << offset;
+ ucb->io_out |= mask;
else
- ucb->io_out &= ~(1 << offset);
- ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out);
+ ucb->io_out &= ~mask;
+
+ if (old != ucb->io_out)
+ ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out);
+
+ if (!(ucb->io_dir & mask)) {
+ ucb->io_dir |= mask;
+ ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);
+ }
spin_unlock_irqrestore(&ucb->io_lock, flags);
return 0;
@@ -536,33 +533,17 @@ static struct class ucb1x00_class = {
static int ucb1x00_probe(struct mcp *mcp)
{
- const struct mcp_device_id *mid;
struct ucb1x00 *ucb;
struct ucb1x00_driver *drv;
- struct ucb1x00_plat_data *pdata;
unsigned int id;
int ret = -ENODEV;
int temp;
mcp_enable(mcp);
id = mcp_reg_read(mcp, UCB_ID);
- mid = mcp_get_device_id(mcp);
- if (mid && mid->driver_data) {
- if (id != mid->driver_data) {
- printk(KERN_WARNING "%s wrong ID %04x found: %04x\n",
- mid->name, (unsigned int) mid->driver_data, id);
- goto err_disable;
- }
- } else {
- mid = &ucb1x00_id[1];
- while (mid->driver_data) {
- if (id == mid->driver_data)
- break;
- mid++;
- }
- printk(KERN_WARNING "%s ID not found: %04x\n",
- ucb1x00_id[0].name, id);
+ if (id != UCB_ID_1200 && id != UCB_ID_1300 && id != UCB_ID_TC35143) {
+ printk(KERN_WARNING "UCB1x00 ID not found: %04x\n", id);
goto err_disable;
}
@@ -571,28 +552,28 @@ static int ucb1x00_probe(struct mcp *mcp)
if (!ucb)
goto err_disable;
- pdata = mcp->attached_device.platform_data;
+
ucb->dev.class = &ucb1x00_class;
ucb->dev.parent = &mcp->attached_device;
- dev_set_name(&ucb->dev, mid->name);
+ dev_set_name(&ucb->dev, "ucb1x00");
spin_lock_init(&ucb->lock);
spin_lock_init(&ucb->io_lock);
sema_init(&ucb->adc_sem, 1);
- ucb->id = mid;
+ ucb->id = id;
ucb->mcp = mcp;
ucb->irq = ucb1x00_detect_irq(ucb);
if (ucb->irq == NO_IRQ) {
- printk(KERN_ERR "%s: IRQ probe failed\n", mid->name);
+ printk(KERN_ERR "UCB1x00: IRQ probe failed\n");
ret = -ENODEV;
goto err_free;
}
ucb->gpio.base = -1;
- if (pdata && (pdata->gpio_base >= 0)) {
+ if (mcp->gpio_base != 0) {
ucb->gpio.label = dev_name(&ucb->dev);
- ucb->gpio.base = pdata->gpio_base;
+ ucb->gpio.base = mcp->gpio_base;
ucb->gpio.ngpio = 10;
ucb->gpio.set = ucb1x00_gpio_set;
ucb->gpio.get = ucb1x00_gpio_get;
@@ -605,10 +586,10 @@ static int ucb1x00_probe(struct mcp *mcp)
dev_info(&ucb->dev, "gpio_base not set so no gpiolib support");
ret = request_irq(ucb->irq, ucb1x00_irq, IRQF_TRIGGER_RISING,
- mid->name, ucb);
+ "UCB1x00", ucb);
if (ret) {
- printk(KERN_ERR "%s: unable to grab irq%d: %d\n",
- mid->name, ucb->irq, ret);
+ printk(KERN_ERR "ucb1x00: unable to grab irq%d: %d\n",
+ ucb->irq, ret);
goto err_gpio;
}
@@ -712,6 +693,7 @@ static int ucb1x00_resume(struct mcp *mcp)
struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
struct ucb1x00_dev *dev;
+ ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out);
ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);
mutex_lock(&ucb1x00_mutex);
list_for_each_entry(dev, &ucb->devs, dev_node) {
@@ -730,7 +712,6 @@ static struct mcp_driver ucb1x00_driver = {
.remove = ucb1x00_remove,
.suspend = ucb1x00_suspend,
.resume = ucb1x00_resume,
- .id_table = ucb1x00_id,
};
static int __init ucb1x00_init(void)
diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c
index 40ec3c118868..63a3cbdfa3f3 100644
--- a/drivers/mfd/ucb1x00-ts.c
+++ b/drivers/mfd/ucb1x00-ts.c
@@ -47,7 +47,6 @@ struct ucb1x00_ts {
u16 x_res;
u16 y_res;
- unsigned int restart:1;
unsigned int adcsync:1;
};
@@ -207,15 +206,17 @@ static int ucb1x00_thread(void *_ts)
{
struct ucb1x00_ts *ts = _ts;
DECLARE_WAITQUEUE(wait, current);
+ bool frozen, ignore = false;
int valid = 0;
set_freezable();
add_wait_queue(&ts->irq_wait, &wait);
- while (!kthread_should_stop()) {
+ while (!kthread_freezable_should_stop(&frozen)) {
unsigned int x, y, p;
signed long timeout;
- ts->restart = 0;
+ if (frozen)
+ ignore = true;
ucb1x00_adc_enable(ts->ucb);
@@ -258,7 +259,7 @@ static int ucb1x00_thread(void *_ts)
* space. We therefore leave it to user space
* to do any filtering they please.
*/
- if (!ts->restart) {
+ if (!ignore) {
ucb1x00_ts_evt_add(ts, p, x, y);
valid = 1;
}
@@ -267,8 +268,6 @@ static int ucb1x00_thread(void *_ts)
timeout = HZ / 100;
}
- try_to_freeze();
-
schedule_timeout(timeout);
}
@@ -340,26 +339,6 @@ static void ucb1x00_ts_close(struct input_dev *idev)
ucb1x00_disable(ts->ucb);
}
-#ifdef CONFIG_PM
-static int ucb1x00_ts_resume(struct ucb1x00_dev *dev)
-{
- struct ucb1x00_ts *ts = dev->priv;
-
- if (ts->rtask != NULL) {
- /*
- * Restart the TS thread to ensure the
- * TS interrupt mode is set up again
- * after sleep.
- */
- ts->restart = 1;
- wake_up(&ts->irq_wait);
- }
- return 0;
-}
-#else
-#define ucb1x00_ts_resume NULL
-#endif
-
/*
* Initialisation.
@@ -382,7 +361,7 @@ static int ucb1x00_ts_add(struct ucb1x00_dev *dev)
ts->adcsync = adcsync ? UCB_SYNC : UCB_NOSYNC;
idev->name = "Touchscreen panel";
- idev->id.product = ts->ucb->id->driver_data;
+ idev->id.product = ts->ucb->id;
idev->open = ucb1x00_ts_open;
idev->close = ucb1x00_ts_close;
@@ -425,7 +404,6 @@ static void ucb1x00_ts_remove(struct ucb1x00_dev *dev)
static struct ucb1x00_driver ucb1x00_ts_driver = {
.add = ucb1x00_ts_add,
.remove = ucb1x00_ts_remove,
- .resume = ucb1x00_ts_resume,
};
static int __init ucb1x00_ts_init(void)
diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c
index 59866905ea37..27f2fe3b7fb4 100644
--- a/drivers/pcmcia/sa1111_generic.c
+++ b/drivers/pcmcia/sa1111_generic.c
@@ -205,7 +205,8 @@ static int __devexit pcmcia_remove(struct sa1111_dev *dev)
dev_set_drvdata(&dev->dev, NULL);
- for (; next = s->next, s; s = next) {
+ for (; s; s = next) {
+ next = s->next;
soc_pcmcia_remove_one(&s->soc);
kfree(s);
}
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index e19a4031f45e..3a125b835546 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -774,7 +774,7 @@ config RTC_DRV_EP93XX
config RTC_DRV_SA1100
tristate "SA11x0/PXA2xx"
- depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP
+ depends on ARCH_SA1100 || ARCH_PXA
help
If you say Y here you will get access to the real time clock
built into your SA11x0 or PXA2xx CPU.
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 4595d3e645a7..cb9a585312cc 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -27,42 +27,34 @@
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
+#include <linux/string.h>
#include <linux/pm.h>
-#include <linux/slab.h>
-#include <linux/clk.h>
-#include <linux/io.h>
+#include <linux/bitops.h>
#include <mach/hardware.h>
#include <asm/irq.h>
+#ifdef CONFIG_ARCH_PXA
+#include <mach/regs-rtc.h>
+#endif
+
#define RTC_DEF_DIVIDER (32768 - 1)
#define RTC_DEF_TRIM 0
-#define RTC_FREQ 1024
-
-#define RCNR 0x00 /* RTC Count Register */
-#define RTAR 0x04 /* RTC Alarm Register */
-#define RTSR 0x08 /* RTC Status Register */
-#define RTTR 0x0c /* RTC Timer Trim Register */
-
-#define RTSR_HZE (1 << 3) /* HZ interrupt enable */
-#define RTSR_ALE (1 << 2) /* RTC alarm interrupt enable */
-#define RTSR_HZ (1 << 1) /* HZ rising-edge detected */
-#define RTSR_AL (1 << 0) /* RTC alarm detected */
-
-#define rtc_readl(sa1100_rtc, reg) \
- readl_relaxed((sa1100_rtc)->base + (reg))
-#define rtc_writel(sa1100_rtc, reg, value) \
- writel_relaxed((value), (sa1100_rtc)->base + (reg))
-
-struct sa1100_rtc {
- struct resource *ress;
- void __iomem *base;
- struct clk *clk;
- int irq_1Hz;
- int irq_Alrm;
- struct rtc_device *rtc;
- spinlock_t lock; /* Protects this structure */
-};
+
+static const unsigned long RTC_FREQ = 1024;
+static struct rtc_time rtc_alarm;
+static DEFINE_SPINLOCK(sa1100_rtc_lock);
+
+static inline int rtc_periodic_alarm(struct rtc_time *tm)
+{
+ return (tm->tm_year == -1) ||
+ ((unsigned)tm->tm_mon >= 12) ||
+ ((unsigned)(tm->tm_mday - 1) >= 31) ||
+ ((unsigned)tm->tm_hour > 23) ||
+ ((unsigned)tm->tm_min > 59) ||
+ ((unsigned)tm->tm_sec > 59);
+}
+
/*
* Calculate the next alarm time given the requested alarm time mask
* and the current time.
@@ -90,26 +82,46 @@ static void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now,
}
}
+static int rtc_update_alarm(struct rtc_time *alrm)
+{
+ struct rtc_time alarm_tm, now_tm;
+ unsigned long now, time;
+ int ret;
+
+ do {
+ now = RCNR;
+ rtc_time_to_tm(now, &now_tm);
+ rtc_next_alarm_time(&alarm_tm, &now_tm, alrm);
+ ret = rtc_tm_to_time(&alarm_tm, &time);
+ if (ret != 0)
+ break;
+
+ RTSR = RTSR & (RTSR_HZE|RTSR_ALE|RTSR_AL);
+ RTAR = time;
+ } while (now != RCNR);
+
+ return ret;
+}
+
static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id)
{
struct platform_device *pdev = to_platform_device(dev_id);
- struct sa1100_rtc *sa1100_rtc = platform_get_drvdata(pdev);
+ struct rtc_device *rtc = platform_get_drvdata(pdev);
unsigned int rtsr;
unsigned long events = 0;
- spin_lock(&sa1100_rtc->lock);
+ spin_lock(&sa1100_rtc_lock);
+ rtsr = RTSR;
/* clear interrupt sources */
- rtsr = rtc_readl(sa1100_rtc, RTSR);
- rtc_writel(sa1100_rtc, RTSR, 0);
-
+ RTSR = 0;
/* Fix for a nasty initialization problem the in SA11xx RTSR register.
* See also the comments in sa1100_rtc_probe(). */
if (rtsr & (RTSR_ALE | RTSR_HZE)) {
/* This is the original code, before there was the if test
* above. This code does not clear interrupts that were not
* enabled. */
- rtc_writel(sa1100_rtc, RTSR, (RTSR_AL | RTSR_HZ) & (rtsr >> 2));
+ RTSR = (RTSR_AL | RTSR_HZ) & (rtsr >> 2);
} else {
/* For some reason, it is possible to enter this routine
* without interruptions enabled, it has been tested with
@@ -118,13 +130,13 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id)
* This situation leads to an infinite "loop" of interrupt
* routine calling and as a result the processor seems to
* lock on its first call to open(). */
- rtc_writel(sa1100_rtc, RTSR, (RTSR_AL | RTSR_HZ));
+ RTSR = RTSR_AL | RTSR_HZ;
}
/* clear alarm interrupt if it has occurred */
if (rtsr & RTSR_AL)
rtsr &= ~RTSR_ALE;
- rtc_writel(sa1100_rtc, RTSR, rtsr & (RTSR_ALE | RTSR_HZE));
+ RTSR = rtsr & (RTSR_ALE | RTSR_HZE);
/* update irq data & counter */
if (rtsr & RTSR_AL)
@@ -132,100 +144,89 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id)
if (rtsr & RTSR_HZ)
events |= RTC_UF | RTC_IRQF;
- rtc_update_irq(sa1100_rtc->rtc, 1, events);
+ rtc_update_irq(rtc, 1, events);
- spin_unlock(&sa1100_rtc->lock);
+ if (rtsr & RTSR_AL && rtc_periodic_alarm(&rtc_alarm))
+ rtc_update_alarm(&rtc_alarm);
+
+ spin_unlock(&sa1100_rtc_lock);
return IRQ_HANDLED;
}
static int sa1100_rtc_open(struct device *dev)
{
- struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev);
int ret;
+ struct platform_device *plat_dev = to_platform_device(dev);
+ struct rtc_device *rtc = platform_get_drvdata(plat_dev);
- ret = request_irq(sa1100_rtc->irq_1Hz, sa1100_rtc_interrupt,
- IRQF_DISABLED, "rtc 1Hz", dev);
+ ret = request_irq(IRQ_RTC1Hz, sa1100_rtc_interrupt, IRQF_DISABLED,
+ "rtc 1Hz", dev);
if (ret) {
- dev_err(dev, "IRQ %d already in use.\n", sa1100_rtc->irq_1Hz);
+ dev_err(dev, "IRQ %d already in use.\n", IRQ_RTC1Hz);
goto fail_ui;
}
- ret = request_irq(sa1100_rtc->irq_Alrm, sa1100_rtc_interrupt,
- IRQF_DISABLED, "rtc Alrm", dev);
+ ret = request_irq(IRQ_RTCAlrm, sa1100_rtc_interrupt, IRQF_DISABLED,
+ "rtc Alrm", dev);
if (ret) {
- dev_err(dev, "IRQ %d already in use.\n", sa1100_rtc->irq_Alrm);
+ dev_err(dev, "IRQ %d already in use.\n", IRQ_RTCAlrm);
goto fail_ai;
}
- sa1100_rtc->rtc->max_user_freq = RTC_FREQ;
- rtc_irq_set_freq(sa1100_rtc->rtc, NULL, RTC_FREQ);
+ rtc->max_user_freq = RTC_FREQ;
+ rtc_irq_set_freq(rtc, NULL, RTC_FREQ);
return 0;
fail_ai:
- free_irq(sa1100_rtc->irq_1Hz, dev);
+ free_irq(IRQ_RTC1Hz, dev);
fail_ui:
return ret;
}
static void sa1100_rtc_release(struct device *dev)
{
- struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev);
-
- spin_lock_irq(&sa1100_rtc->lock);
- rtc_writel(sa1100_rtc, RTSR, 0);
- spin_unlock_irq(&sa1100_rtc->lock);
+ spin_lock_irq(&sa1100_rtc_lock);
+ RTSR = 0;
+ spin_unlock_irq(&sa1100_rtc_lock);
- free_irq(sa1100_rtc->irq_Alrm, dev);
- free_irq(sa1100_rtc->irq_1Hz, dev);
+ free_irq(IRQ_RTCAlrm, dev);
+ free_irq(IRQ_RTC1Hz, dev);
}
static int sa1100_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
- struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev);
- unsigned int rtsr;
-
- spin_lock_irq(&sa1100_rtc->lock);
-
- rtsr = rtc_readl(sa1100_rtc, RTSR);
+ spin_lock_irq(&sa1100_rtc_lock);
if (enabled)
- rtsr |= RTSR_ALE;
+ RTSR |= RTSR_ALE;
else
- rtsr &= ~RTSR_ALE;
- rtc_writel(sa1100_rtc, RTSR, rtsr);
-
- spin_unlock_irq(&sa1100_rtc->lock);
+ RTSR &= ~RTSR_ALE;
+ spin_unlock_irq(&sa1100_rtc_lock);
return 0;
}
static int sa1100_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev);
-
- rtc_time_to_tm(rtc_readl(sa1100_rtc, RCNR), tm);
+ rtc_time_to_tm(RCNR, tm);
return 0;
}
static int sa1100_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
- struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev);
unsigned long time;
int ret;
ret = rtc_tm_to_time(tm, &time);
if (ret == 0)
- rtc_writel(sa1100_rtc, RCNR, time);
+ RCNR = time;
return ret;
}
static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
- struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev);
- unsigned long time;
- unsigned int rtsr;
+ u32 rtsr;
- time = rtc_readl(sa1100_rtc, RCNR);
- rtc_time_to_tm(time, &alrm->time);
- rtsr = rtc_readl(sa1100_rtc, RTSR);
+ memcpy(&alrm->time, &rtc_alarm, sizeof(struct rtc_time));
+ rtsr = RTSR;
alrm->enabled = (rtsr & RTSR_ALE) ? 1 : 0;
alrm->pending = (rtsr & RTSR_AL) ? 1 : 0;
return 0;
@@ -233,39 +234,26 @@ static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
- struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev);
- struct rtc_time now_tm, alarm_tm;
- unsigned long time, alarm;
- unsigned int rtsr;
-
- spin_lock_irq(&sa1100_rtc->lock);
-
- time = rtc_readl(sa1100_rtc, RCNR);
- rtc_time_to_tm(time, &now_tm);
- rtc_next_alarm_time(&alarm_tm, &now_tm, &alrm->time);
- rtc_tm_to_time(&alarm_tm, &alarm);
- rtc_writel(sa1100_rtc, RTAR, alarm);
-
- rtsr = rtc_readl(sa1100_rtc, RTSR);
- if (alrm->enabled)
- rtsr |= RTSR_ALE;
- else
- rtsr &= ~RTSR_ALE;
- rtc_writel(sa1100_rtc, RTSR, rtsr);
+ int ret;
- spin_unlock_irq(&sa1100_rtc->lock);
+ spin_lock_irq(&sa1100_rtc_lock);
+ ret = rtc_update_alarm(&alrm->time);
+ if (ret == 0) {
+ if (alrm->enabled)
+ RTSR |= RTSR_ALE;
+ else
+ RTSR &= ~RTSR_ALE;
+ }
+ spin_unlock_irq(&sa1100_rtc_lock);
- return 0;
+ return ret;
}
static int sa1100_rtc_proc(struct device *dev, struct seq_file *seq)
{
- struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev);
+ seq_printf(seq, "trim/divider\t\t: 0x%08x\n", (u32) RTTR);
+ seq_printf(seq, "RTSR\t\t\t: 0x%08x\n", (u32)RTSR);
- seq_printf(seq, "trim/divider\t\t: 0x%08x\n",
- rtc_readl(sa1100_rtc, RTTR));
- seq_printf(seq, "RTSR\t\t\t: 0x%08x\n",
- rtc_readl(sa1100_rtc, RTSR));
return 0;
}
@@ -282,51 +270,7 @@ static const struct rtc_class_ops sa1100_rtc_ops = {
static int sa1100_rtc_probe(struct platform_device *pdev)
{
- struct sa1100_rtc *sa1100_rtc;
- unsigned int rttr;
- int ret;
-
- sa1100_rtc = kzalloc(sizeof(struct sa1100_rtc), GFP_KERNEL);
- if (!sa1100_rtc)
- return -ENOMEM;
-
- spin_lock_init(&sa1100_rtc->lock);
- platform_set_drvdata(pdev, sa1100_rtc);
-
- ret = -ENXIO;
- sa1100_rtc->ress = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!sa1100_rtc->ress) {
- dev_err(&pdev->dev, "No I/O memory resource defined\n");
- goto err_ress;
- }
-
- sa1100_rtc->irq_1Hz = platform_get_irq(pdev, 0);
- if (sa1100_rtc->irq_1Hz < 0) {
- dev_err(&pdev->dev, "No 1Hz IRQ resource defined\n");
- goto err_ress;
- }
- sa1100_rtc->irq_Alrm = platform_get_irq(pdev, 1);
- if (sa1100_rtc->irq_Alrm < 0) {
- dev_err(&pdev->dev, "No alarm IRQ resource defined\n");
- goto err_ress;
- }
-
- ret = -ENOMEM;
- sa1100_rtc->base = ioremap(sa1100_rtc->ress->start,
- resource_size(sa1100_rtc->ress));
- if (!sa1100_rtc->base) {
- dev_err(&pdev->dev, "Unable to map pxa RTC I/O memory\n");
- goto err_map;
- }
-
- sa1100_rtc->clk = clk_get(&pdev->dev, NULL);
- if (IS_ERR(sa1100_rtc->clk)) {
- dev_err(&pdev->dev, "failed to find rtc clock source\n");
- ret = PTR_ERR(sa1100_rtc->clk);
- goto err_clk;
- }
- clk_prepare(sa1100_rtc->clk);
- clk_enable(sa1100_rtc->clk);
+ struct rtc_device *rtc;
/*
* According to the manual we should be able to let RTTR be zero
@@ -335,24 +279,24 @@ static int sa1100_rtc_probe(struct platform_device *pdev)
* If the clock divider is uninitialized then reset it to the
* default value to get the 1Hz clock.
*/
- if (rtc_readl(sa1100_rtc, RTTR) == 0) {
- rttr = RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16);
- rtc_writel(sa1100_rtc, RTTR, rttr);
- dev_warn(&pdev->dev, "warning: initializing default clock"
- " divider/trim value\n");
+ if (RTTR == 0) {
+ RTTR = RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16);
+ dev_warn(&pdev->dev, "warning: "
+ "initializing default clock divider/trim value\n");
/* The current RTC value probably doesn't make sense either */
- rtc_writel(sa1100_rtc, RCNR, 0);
+ RCNR = 0;
}
device_init_wakeup(&pdev->dev, 1);
- sa1100_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
- &sa1100_rtc_ops, THIS_MODULE);
- if (IS_ERR(sa1100_rtc->rtc)) {
- dev_err(&pdev->dev, "Failed to register RTC device -> %d\n",
- ret);
- goto err_rtc_reg;
- }
+ rtc = rtc_device_register(pdev->name, &pdev->dev, &sa1100_rtc_ops,
+ THIS_MODULE);
+
+ if (IS_ERR(rtc))
+ return PTR_ERR(rtc);
+
+ platform_set_drvdata(pdev, rtc);
+
/* Fix for a nasty initialization problem the in SA11xx RTSR register.
* See also the comments in sa1100_rtc_interrupt().
*
@@ -375,46 +319,33 @@ static int sa1100_rtc_probe(struct platform_device *pdev)
*
* Notice that clearing bit 1 and 0 is accomplished by writting ONES to
* the corresponding bits in RTSR. */
- rtc_writel(sa1100_rtc, RTSR, (RTSR_AL | RTSR_HZ));
+ RTSR = RTSR_AL | RTSR_HZ;
return 0;
-
-err_rtc_reg:
-err_clk:
- iounmap(sa1100_rtc->base);
-err_ress:
-err_map:
- kfree(sa1100_rtc);
- return ret;
}
static int sa1100_rtc_remove(struct platform_device *pdev)
{
- struct sa1100_rtc *sa1100_rtc = platform_get_drvdata(pdev);
+ struct rtc_device *rtc = platform_get_drvdata(pdev);
+
+ if (rtc)
+ rtc_device_unregister(rtc);
- rtc_device_unregister(sa1100_rtc->rtc);
- clk_disable(sa1100_rtc->clk);
- clk_unprepare(sa1100_rtc->clk);
- iounmap(sa1100_rtc->base);
return 0;
}
#ifdef CONFIG_PM
static int sa1100_rtc_suspend(struct device *dev)
{
- struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev);
-
if (device_may_wakeup(dev))
- enable_irq_wake(sa1100_rtc->irq_Alrm);
+ enable_irq_wake(IRQ_RTCAlrm);
return 0;
}
static int sa1100_rtc_resume(struct device *dev)
{
- struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev);
-
if (device_may_wakeup(dev))
- disable_irq_wake(sa1100_rtc->irq_Alrm);
+ disable_irq_wake(IRQ_RTCAlrm);
return 0;
}
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 5df0b0e3392b..77afabc77f9b 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -139,8 +139,23 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
}
iclk = clk_get(&pdev->dev, "ohci_clk");
+ if (IS_ERR(iclk)) {
+ dev_err(&pdev->dev, "failed to get ohci_clk\n");
+ retval = PTR_ERR(iclk);
+ goto err3;
+ }
fclk = clk_get(&pdev->dev, "uhpck");
+ if (IS_ERR(fclk)) {
+ dev_err(&pdev->dev, "failed to get uhpck\n");
+ retval = PTR_ERR(fclk);
+ goto err4;
+ }
hclk = clk_get(&pdev->dev, "hclk");
+ if (IS_ERR(hclk)) {
+ dev_err(&pdev->dev, "failed to get hclk\n");
+ retval = PTR_ERR(hclk);
+ goto err5;
+ }
at91_start_hc(pdev);
ohci_hcd_init(hcd_to_ohci(hcd));
@@ -153,9 +168,12 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
at91_stop_hc(pdev);
clk_put(hclk);
+ err5:
clk_put(fclk);
+ err4:
clk_put(iclk);
+ err3:
iounmap(hcd->regs);
err2:
@@ -226,7 +244,8 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int
if (!gpio_is_valid(pdata->vbus_pin[port]))
return;
- gpio_set_value(pdata->vbus_pin[port], !pdata->vbus_pin_inverted ^ enable);
+ gpio_set_value(pdata->vbus_pin[port],
+ !pdata->vbus_pin_active_low[port] ^ enable);
}
static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
@@ -237,7 +256,8 @@ static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
if (!gpio_is_valid(pdata->vbus_pin[port]))
return -EINVAL;
- return gpio_get_value(pdata->vbus_pin[port]) ^ !pdata->vbus_pin_inverted;
+ return gpio_get_value(pdata->vbus_pin[port]) ^
+ !pdata->vbus_pin_active_low[port];
}
/*
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 02:21:05 +0000