diff options
Diffstat (limited to 'drivers')
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]; } /* |