diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/base.c | 217 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/core.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dispc.c | 61 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/display.c | 134 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dpi.c | 192 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dsi.c | 569 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dss-of.c | 47 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dss.c | 47 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/dss.h | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi.h | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi4.c | 351 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi5.c | 334 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi5_core.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi_wp.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/omapdss.h | 306 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/output.c | 208 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/sdi.c | 149 | ||||
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/venc.c | 291 |
18 files changed, 1288 insertions, 1677 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/base.c b/drivers/gpu/drm/omapdrm/dss/base.c index 99e8cb8dc65b..472f56e3de70 100644 --- a/drivers/gpu/drm/omapdrm/dss/base.c +++ b/drivers/gpu/drm/omapdrm/dss/base.c @@ -14,24 +14,17 @@ */ #include <linux/kernel.h> +#include <linux/list.h> #include <linux/module.h> +#include <linux/mutex.h> #include <linux/of.h> #include <linux/of_graph.h> -#include <linux/list.h> #include "dss.h" #include "omapdss.h" static struct dss_device *dss_device; -static struct list_head omapdss_comp_list; - -struct omapdss_comp_node { - struct list_head list; - struct device_node *node; - bool dss_core_component; -}; - struct dss_device *omapdss_get_dss(void) { return dss_device; @@ -56,6 +49,208 @@ const struct dispc_ops *dispc_get_ops(struct dss_device *dss) } EXPORT_SYMBOL(dispc_get_ops); + +/* ----------------------------------------------------------------------------- + * OMAP DSS Devices Handling + */ + +static LIST_HEAD(omapdss_devices_list); +static DEFINE_MUTEX(omapdss_devices_lock); + +void omapdss_device_register(struct omap_dss_device *dssdev) +{ + mutex_lock(&omapdss_devices_lock); + list_add_tail(&dssdev->list, &omapdss_devices_list); + mutex_unlock(&omapdss_devices_lock); +} +EXPORT_SYMBOL_GPL(omapdss_device_register); + +void omapdss_device_unregister(struct omap_dss_device *dssdev) +{ + mutex_lock(&omapdss_devices_lock); + list_del(&dssdev->list); + mutex_unlock(&omapdss_devices_lock); +} +EXPORT_SYMBOL_GPL(omapdss_device_unregister); + +static bool omapdss_device_is_registered(struct device_node *node) +{ + struct omap_dss_device *dssdev; + bool found = false; + + mutex_lock(&omapdss_devices_lock); + + list_for_each_entry(dssdev, &omapdss_devices_list, list) { + if (dssdev->dev->of_node == node) { + found = true; + break; + } + } + + mutex_unlock(&omapdss_devices_lock); + return found; +} + +struct omap_dss_device *omapdss_device_get(struct omap_dss_device *dssdev) +{ + if (!try_module_get(dssdev->owner)) + return NULL; + + if (get_device(dssdev->dev) == NULL) { + module_put(dssdev->owner); + return NULL; + } + + return dssdev; +} +EXPORT_SYMBOL(omapdss_device_get); + +void omapdss_device_put(struct omap_dss_device *dssdev) +{ + put_device(dssdev->dev); + module_put(dssdev->owner); +} +EXPORT_SYMBOL(omapdss_device_put); + +struct omap_dss_device *omapdss_find_device_by_port(struct device_node *src, + unsigned int port) +{ + struct omap_dss_device *dssdev; + + list_for_each_entry(dssdev, &omapdss_devices_list, list) { + if (dssdev->dev->of_node == src && dssdev->of_ports & BIT(port)) + return omapdss_device_get(dssdev); + } + + return NULL; +} + +/* + * Search for the next device starting at @from. The type argument specfies + * which device types to consider when searching. Searching for multiple types + * is supported by and'ing their type flags. Release the reference to the @from + * device, and acquire a reference to the returned device if found. + */ +struct omap_dss_device *omapdss_device_get_next(struct omap_dss_device *from, + enum omap_dss_device_type type) +{ + struct omap_dss_device *dssdev; + struct list_head *list; + + mutex_lock(&omapdss_devices_lock); + + if (list_empty(&omapdss_devices_list)) { + dssdev = NULL; + goto done; + } + + /* + * Start from the from entry if given or from omapdss_devices_list + * otherwise. + */ + list = from ? &from->list : &omapdss_devices_list; + + list_for_each_entry(dssdev, list, list) { + /* + * Stop if we reach the omapdss_devices_list, that's the end of + * the list. + */ + if (&dssdev->list == &omapdss_devices_list) { + dssdev = NULL; + goto done; + } + + /* + * Accept display entities if the display type is requested, + * and output entities if the output type is requested. + */ + if ((type & OMAP_DSS_DEVICE_TYPE_DISPLAY) && + !dssdev->output_type) + goto done; + if ((type & OMAP_DSS_DEVICE_TYPE_OUTPUT) && dssdev->id && + dssdev->next) + goto done; + } + + dssdev = NULL; + +done: + if (from) + omapdss_device_put(from); + if (dssdev) + omapdss_device_get(dssdev); + + mutex_unlock(&omapdss_devices_lock); + return dssdev; +} +EXPORT_SYMBOL(omapdss_device_get_next); + +int omapdss_device_connect(struct dss_device *dss, + struct omap_dss_device *src, + struct omap_dss_device *dst) +{ + int ret; + + dev_dbg(dst->dev, "connect\n"); + + if (omapdss_device_is_connected(dst)) + return -EBUSY; + + dst->dss = dss; + + ret = dst->ops->connect(src, dst); + if (ret < 0) { + dst->dss = NULL; + return ret; + } + + if (src) { + WARN_ON(src->dst); + dst->src = src; + src->dst = dst; + } + + return 0; +} +EXPORT_SYMBOL_GPL(omapdss_device_connect); + +void omapdss_device_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) +{ + dev_dbg(dst->dev, "disconnect\n"); + + if (!dst->id && !omapdss_device_is_connected(dst)) { + WARN_ON(dst->output_type); + return; + } + + if (src) { + if (WARN_ON(dst != src->dst)) + return; + + dst->src = NULL; + src->dst = NULL; + } + + WARN_ON(dst->state != OMAP_DSS_DISPLAY_DISABLED); + + dst->ops->disconnect(src, dst); + dst->dss = NULL; +} +EXPORT_SYMBOL_GPL(omapdss_device_disconnect); + +/* ----------------------------------------------------------------------------- + * Components Handling + */ + +static struct list_head omapdss_comp_list; + +struct omapdss_comp_node { + struct list_head list; + struct device_node *node; + bool dss_core_component; +}; + static bool omapdss_list_contains(const struct device_node *node) { struct omapdss_comp_node *comp; @@ -130,9 +325,7 @@ static bool omapdss_component_is_loaded(struct omapdss_comp_node *comp) { if (comp->dss_core_component) return true; - if (omapdss_component_is_display(comp->node)) - return true; - if (omapdss_component_is_output(comp->node)) + if (omapdss_device_is_registered(comp->node)) return true; return false; diff --git a/drivers/gpu/drm/omapdrm/dss/core.c b/drivers/gpu/drm/omapdrm/dss/core.c index 07d00a186f15..a2edabc9f6b3 100644 --- a/drivers/gpu/drm/omapdrm/dss/core.c +++ b/drivers/gpu/drm/omapdrm/dss/core.c @@ -45,36 +45,14 @@ static struct platform_driver * const omap_dss_drivers[] = { #endif }; -static struct platform_device *omap_drm_device; - static int __init omap_dss_init(void) { - int r; - - r = platform_register_drivers(omap_dss_drivers, - ARRAY_SIZE(omap_dss_drivers)); - if (r) - goto err_reg; - - omap_drm_device = platform_device_register_simple("omapdrm", 0, NULL, 0); - if (IS_ERR(omap_drm_device)) { - r = PTR_ERR(omap_drm_device); - goto err_reg; - } - - return 0; - -err_reg: - platform_unregister_drivers(omap_dss_drivers, - ARRAY_SIZE(omap_dss_drivers)); - - return r; + return platform_register_drivers(omap_dss_drivers, + ARRAY_SIZE(omap_dss_drivers)); } static void __exit omap_dss_exit(void) { - platform_device_unregister(omap_drm_device); - platform_unregister_drivers(omap_dss_drivers, ARRAY_SIZE(omap_dss_drivers)); } diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index 84f274c4a4cb..ba82d916719c 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -1140,18 +1140,6 @@ static void dispc_ovl_set_color_mode(struct dispc_device *dispc, REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES(plane), m, 4, 1); } -static bool format_is_yuv(u32 fourcc) -{ - switch (fourcc) { - case DRM_FORMAT_YUYV: - case DRM_FORMAT_UYVY: - case DRM_FORMAT_NV12: - return true; - default: - return false; - } -} - static void dispc_ovl_configure_burst_type(struct dispc_device *dispc, enum omap_plane_id plane, enum omap_dss_rotation_type rotation) @@ -1910,11 +1898,14 @@ static void dispc_ovl_set_scaling_uv(struct dispc_device *dispc, int scale_x = out_width != orig_width; int scale_y = out_height != orig_height; bool chroma_upscale = plane != OMAP_DSS_WB; + const struct drm_format_info *info; + + info = drm_format_info(fourcc); if (!dispc_has_feature(dispc, FEAT_HANDLE_UV_SEPARATE)) return; - if (!format_is_yuv(fourcc)) { + if (!info->is_yuv) { /* reset chroma resampling for RGB formats */ if (plane != OMAP_DSS_WB) REG_FLD_MOD(dispc, DISPC_OVL_ATTRIBUTES2(plane), @@ -2624,7 +2615,7 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc, unsigned int offset0, offset1; s32 row_inc; s32 pix_inc; - u16 frame_width, frame_height; + u16 frame_width; unsigned int field_offset = 0; u16 in_height = height; u16 in_width = width; @@ -2632,6 +2623,9 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc, bool ilace = !!(vm->flags & DISPLAY_FLAGS_INTERLACED); unsigned long pclk = dispc_plane_pclk_rate(dispc, plane); unsigned long lclk = dispc_plane_lclk_rate(dispc, plane); + const struct drm_format_info *info; + + info = drm_format_info(fourcc); /* when setting up WB, dispc_plane_pclk_rate() returns 0 */ if (plane == OMAP_DSS_WB) @@ -2640,7 +2634,7 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc, if (paddr == 0 && rotation_type != OMAP_DSS_ROT_TILER) return -EINVAL; - if (format_is_yuv(fourcc) && (in_width & 1)) { + if (info->is_yuv && (in_width & 1)) { DSSERR("input width %d is not even for YUV format\n", in_width); return -EINVAL; } @@ -2680,7 +2674,7 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc, DSSDBG("predecimation %d x %x, new input size %d x %d\n", x_predecim, y_predecim, in_width, in_height); - if (format_is_yuv(fourcc) && (in_width & 1)) { + if (info->is_yuv && (in_width & 1)) { DSSDBG("predecimated input width is not even for YUV format\n"); DSSDBG("adjusting input width %d -> %d\n", in_width, in_width & ~1); @@ -2688,7 +2682,7 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc, in_width &= ~1; } - if (format_is_yuv(fourcc)) + if (info->is_yuv) cconv = 1; if (ilace && !fieldmode) { @@ -2714,13 +2708,10 @@ static int dispc_ovl_setup_common(struct dispc_device *dispc, row_inc = 0; pix_inc = 0; - if (plane == OMAP_DSS_WB) { + if (plane == OMAP_DSS_WB) frame_width = out_width; - frame_height = out_height; - } else { + else frame_width = in_width; - frame_height = height; - } calc_offset(screen_width, frame_width, fourcc, fieldmode, field_offset, @@ -2904,13 +2895,6 @@ static int dispc_ovl_enable(struct dispc_device *dispc, return 0; } -static enum omap_dss_output_id -dispc_mgr_get_supported_outputs(struct dispc_device *dispc, - enum omap_channel channel) -{ - return dss_get_supported_outputs(dispc->dss, channel); -} - static void dispc_lcd_enable_signal_polarity(struct dispc_device *dispc, bool act_high) { @@ -3120,28 +3104,29 @@ static bool _dispc_mgr_pclk_ok(struct dispc_device *dispc, return pclk <= dispc->feat->max_tv_pclk; } -bool dispc_mgr_timings_ok(struct dispc_device *dispc, enum omap_channel channel, - const struct videomode *vm) +static int dispc_mgr_check_timings(struct dispc_device *dispc, + enum omap_channel channel, + const struct videomode *vm) { if (!_dispc_mgr_size_ok(dispc, vm->hactive, vm->vactive)) - return false; + return MODE_BAD; if (!_dispc_mgr_pclk_ok(dispc, channel, vm->pixelclock)) - return false; + return MODE_BAD; if (dss_mgr_is_lcd(channel)) { /* TODO: OMAP4+ supports interlace for LCD outputs */ if (vm->flags & DISPLAY_FLAGS_INTERLACED) - return false; + return MODE_BAD; if (!_dispc_lcd_timings_ok(dispc, vm->hsync_len, vm->hfront_porch, vm->hback_porch, vm->vsync_len, vm->vfront_porch, vm->vback_porch)) - return false; + return MODE_BAD; } - return true; + return MODE_OK; } static void _dispc_mgr_set_lcd_timings(struct dispc_device *dispc, @@ -3243,7 +3228,7 @@ static void dispc_mgr_set_timings(struct dispc_device *dispc, DSSDBG("channel %d xres %u yres %u\n", channel, t.hactive, t.vactive); - if (!dispc_mgr_timings_ok(dispc, channel, &t)) { + if (dispc_mgr_check_timings(dispc, channel, &t)) { BUG(); return; } @@ -4740,9 +4725,9 @@ static const struct dispc_ops dispc_ops = { .mgr_go_busy = dispc_mgr_go_busy, .mgr_go = dispc_mgr_go, .mgr_set_lcd_config = dispc_mgr_set_lcd_config, + .mgr_check_timings = dispc_mgr_check_timings, .mgr_set_timings = dispc_mgr_set_timings, .mgr_setup = dispc_mgr_setup, - .mgr_get_supported_outputs = dispc_mgr_get_supported_outputs, .mgr_gamma_size = dispc_mgr_gamma_size, .mgr_set_gamma = dispc_mgr_set_gamma, diff --git a/drivers/gpu/drm/omapdrm/dss/display.c b/drivers/gpu/drm/omapdrm/dss/display.c index 9e7fcbd57e52..34b2a4ef63a4 100644 --- a/drivers/gpu/drm/omapdrm/dss/display.c +++ b/drivers/gpu/drm/omapdrm/dss/display.c @@ -21,27 +21,14 @@ #define DSS_SUBSYS_NAME "DISPLAY" #include <linux/kernel.h> -#include <linux/module.h> -#include <linux/jiffies.h> -#include <linux/platform_device.h> #include <linux/of.h> #include "omapdss.h" -static void omapdss_default_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - *vm = dssdev->panel.vm; -} - -static LIST_HEAD(panel_list); -static DEFINE_MUTEX(panel_list_mutex); static int disp_num_counter; -int omapdss_register_display(struct omap_dss_device *dssdev) +void omapdss_display_init(struct omap_dss_device *dssdev) { - struct omap_dss_driver *drv = dssdev->driver; - struct list_head *cur; int id; /* @@ -52,123 +39,22 @@ int omapdss_register_display(struct omap_dss_device *dssdev) if (id < 0) id = disp_num_counter++; - snprintf(dssdev->alias, sizeof(dssdev->alias), "display%d", id); + dssdev->alias_id = id; /* Use 'label' property for name, if it exists */ of_property_read_string(dssdev->dev->of_node, "label", &dssdev->name); if (dssdev->name == NULL) - dssdev->name = dssdev->alias; - - if (drv && drv->get_timings == NULL) - drv->get_timings = omapdss_default_get_timings; - - mutex_lock(&panel_list_mutex); - list_for_each(cur, &panel_list) { - struct omap_dss_device *ldev = list_entry(cur, - struct omap_dss_device, - panel_list); - if (strcmp(ldev->alias, dssdev->alias) > 0) - break; - } - list_add_tail(&dssdev->panel_list, cur); - mutex_unlock(&panel_list_mutex); - return 0; -} -EXPORT_SYMBOL(omapdss_register_display); - -void omapdss_unregister_display(struct omap_dss_device *dssdev) -{ - mutex_lock(&panel_list_mutex); - list_del(&dssdev->panel_list); - mutex_unlock(&panel_list_mutex); + dssdev->name = devm_kasprintf(dssdev->dev, GFP_KERNEL, + "display%u", id); } -EXPORT_SYMBOL(omapdss_unregister_display); +EXPORT_SYMBOL_GPL(omapdss_display_init); -bool omapdss_component_is_display(struct device_node *node) +struct omap_dss_device *omapdss_display_get(struct omap_dss_device *output) { - struct omap_dss_device *dssdev; - bool found = false; - - mutex_lock(&panel_list_mutex); - list_for_each_entry(dssdev, &panel_list, panel_list) { - if (dssdev->dev->of_node == node) { - found = true; - goto out; - } - } -out: - mutex_unlock(&panel_list_mutex); - return found; -} -EXPORT_SYMBOL(omapdss_component_is_display); - -struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev) -{ - if (!try_module_get(dssdev->owner)) - return NULL; - - if (get_device(dssdev->dev) == NULL) { - module_put(dssdev->owner); - return NULL; - } - - return dssdev; -} -EXPORT_SYMBOL(omap_dss_get_device); - -void omap_dss_put_device(struct omap_dss_device *dssdev) -{ - put_device(dssdev->dev); - module_put(dssdev->owner); -} -EXPORT_SYMBOL(omap_dss_put_device); - -/* - * ref count of the found device is incremented. - * ref count of from-device is decremented. - */ -struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from) -{ - struct list_head *l; - struct omap_dss_device *dssdev; - - mutex_lock(&panel_list_mutex); - - if (list_empty(&panel_list)) { - dssdev = NULL; - goto out; - } - - if (from == NULL) { - dssdev = list_first_entry(&panel_list, struct omap_dss_device, - panel_list); - omap_dss_get_device(dssdev); - goto out; - } - - omap_dss_put_device(from); - - list_for_each(l, &panel_list) { - dssdev = list_entry(l, struct omap_dss_device, panel_list); - if (dssdev == from) { - if (list_is_last(l, &panel_list)) { - dssdev = NULL; - goto out; - } - - dssdev = list_entry(l->next, struct omap_dss_device, - panel_list); - omap_dss_get_device(dssdev); - goto out; - } - } - - WARN(1, "'from' dssdev not found\n"); + while (output->next) + output = output->next; - dssdev = NULL; -out: - mutex_unlock(&panel_list_mutex); - return dssdev; + return omapdss_device_get(output); } -EXPORT_SYMBOL(omap_dss_get_next_device); +EXPORT_SYMBOL_GPL(omapdss_display_get); diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c index 9fcc50217133..ca4f3c4c6318 100644 --- a/drivers/gpu/drm/omapdrm/dss/dpi.c +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c @@ -39,6 +39,7 @@ struct dpi_data { struct platform_device *pdev; enum dss_model dss_model; struct dss_device *dss; + unsigned int id; struct regulator *vdds_dsi_reg; enum dss_clk_source clk_src; @@ -346,10 +347,9 @@ static int dpi_set_dispc_clk(struct dpi_data *dpi, unsigned long pck_req, static int dpi_set_mode(struct dpi_data *dpi) { - struct videomode *vm = &dpi->vm; + const struct videomode *vm = &dpi->vm; int lck_div = 0, pck_div = 0; unsigned long fck = 0; - unsigned long pck; int r = 0; if (dpi->pll) @@ -361,17 +361,6 @@ static int dpi_set_mode(struct dpi_data *dpi) if (r) return r; - pck = fck / lck_div / pck_div; - - if (pck != vm->pixelclock) { - DSSWARN("Could not find exact pixel clock. Requested %lu Hz, got %lu Hz\n", - vm->pixelclock, pck); - - vm->pixelclock = pck; - } - - dss_mgr_set_timings(&dpi->output, vm); - return 0; } @@ -413,7 +402,7 @@ static int dpi_display_enable(struct omap_dss_device *dssdev) if (r) goto err_get_dispc; - r = dss_dpi_select_source(dpi->dss, out->port_num, out->dispc_channel); + r = dss_dpi_select_source(dpi->dss, dpi->id, out->dispc_channel); if (r) goto err_src_sel; @@ -478,7 +467,7 @@ static void dpi_display_disable(struct omap_dss_device *dssdev) } static void dpi_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) + const struct videomode *vm) { struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); @@ -491,23 +480,10 @@ static void dpi_set_timings(struct omap_dss_device *dssdev, mutex_unlock(&dpi->lock); } -static void dpi_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); - - mutex_lock(&dpi->lock); - - *vm = dpi->vm; - - mutex_unlock(&dpi->lock); -} - static int dpi_check_timings(struct omap_dss_device *dssdev, struct videomode *vm) { struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); - enum omap_channel channel = dpi->output.dispc_channel; int lck_div, pck_div; unsigned long fck; unsigned long pck; @@ -517,9 +493,6 @@ static int dpi_check_timings(struct omap_dss_device *dssdev, if (vm->hactive % 8 != 0) return -EINVAL; - if (!dispc_mgr_timings_ok(dpi->dss->dispc, channel, vm)) - return -EINVAL; - if (vm->pixelclock == 0) return -EINVAL; @@ -562,38 +535,6 @@ static int dpi_verify_pll(struct dss_pll *pll) return 0; } -static const struct soc_device_attribute dpi_soc_devices[] = { - { .machine = "OMAP3[456]*" }, - { .machine = "[AD]M37*" }, - { /* sentinel */ } -}; - -static int dpi_init_regulator(struct dpi_data *dpi) -{ - struct regulator *vdds_dsi; - - /* - * The DPI uses the DSI VDDS on OMAP34xx, OMAP35xx, OMAP36xx, AM37xx and - * DM37xx only. - */ - if (!soc_device_match(dpi_soc_devices)) - return 0; - - if (dpi->vdds_dsi_reg) - return 0; - - vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi"); - if (IS_ERR(vdds_dsi)) { - if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) - DSSERR("can't get VDDS_DSI regulator\n"); - return PTR_ERR(vdds_dsi); - } - - dpi->vdds_dsi_reg = vdds_dsi; - - return 0; -} - static void dpi_init_pll(struct dpi_data *dpi) { struct dss_pll *pll; @@ -621,7 +562,7 @@ static void dpi_init_pll(struct dpi_data *dpi) * the channel in some more dynamic manner, or get the channel as a user * parameter. */ -static enum omap_channel dpi_get_channel(struct dpi_data *dpi, int port_num) +static enum omap_channel dpi_get_channel(struct dpi_data *dpi) { switch (dpi->dss_model) { case DSS_MODEL_OMAP2: @@ -629,7 +570,7 @@ static enum omap_channel dpi_get_channel(struct dpi_data *dpi, int port_num) return OMAP_DSS_CHANNEL_LCD; case DSS_MODEL_DRA7: - switch (port_num) { + switch (dpi->id) { case 2: return OMAP_DSS_CHANNEL_LCD3; case 1: @@ -651,49 +592,31 @@ static enum omap_channel dpi_get_channel(struct dpi_data *dpi, int port_num) } } -static int dpi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int dpi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); + struct dpi_data *dpi = dpi_get_data_from_dssdev(dst); int r; - r = dpi_init_regulator(dpi); - if (r) - return r; - dpi_init_pll(dpi); - r = dss_mgr_connect(&dpi->output, dssdev); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dst->name); - dss_mgr_disconnect(&dpi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void dpi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void dpi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); - - WARN_ON(dst != dssdev->dst); + dst->dispc_channel_connected = false; - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&dpi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } -static const struct omapdss_dpi_ops dpi_ops = { +static const struct omap_dss_device_ops dpi_ops = { .connect = dpi_connect, .disconnect = dpi_disconnect, @@ -702,18 +625,16 @@ static const struct omapdss_dpi_ops dpi_ops = { .check_timings = dpi_check_timings, .set_timings = dpi_set_timings, - .get_timings = dpi_get_timings, }; -static void dpi_init_output_port(struct dpi_data *dpi, struct device_node *port) +static int dpi_init_output_port(struct dpi_data *dpi, struct device_node *port) { struct omap_dss_device *out = &dpi->output; + u32 port_num = 0; int r; - u32 port_num; - r = of_property_read_u32(port, "reg", &port_num); - if (r) - port_num = 0; + of_property_read_u32(port, "reg", &port_num); + dpi->id = port_num <= 2 ? port_num : 0; switch (port_num) { case 2: @@ -731,12 +652,28 @@ static void dpi_init_output_port(struct dpi_data *dpi, struct device_node *port) out->dev = &dpi->pdev->dev; out->id = OMAP_DSS_OUTPUT_DPI; out->output_type = OMAP_DISPLAY_TYPE_DPI; - out->dispc_channel = dpi_get_channel(dpi, port_num); - out->port_num = port_num; - out->ops.dpi = &dpi_ops; + out->dispc_channel = dpi_get_channel(dpi); + out->of_ports = BIT(port_num); + out->ops = &dpi_ops; out->owner = THIS_MODULE; - omapdss_register_output(out); + out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } + + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; } static void dpi_uninit_output_port(struct device_node *port) @@ -744,7 +681,38 @@ static void dpi_uninit_output_port(struct device_node *port) struct dpi_data *dpi = port->data; struct omap_dss_device *out = &dpi->output; - omapdss_unregister_output(out); + if (out->next) + omapdss_device_put(out->next); + omapdss_device_unregister(out); +} + +static const struct soc_device_attribute dpi_soc_devices[] = { + { .machine = "OMAP3[456]*" }, + { .machine = "[AD]M37*" }, + { /* sentinel */ } +}; + +static int dpi_init_regulator(struct dpi_data *dpi) +{ + struct regulator *vdds_dsi; + + /* + * The DPI uses the DSI VDDS on OMAP34xx, OMAP35xx, OMAP36xx, AM37xx and + * DM37xx only. + */ + if (!soc_device_match(dpi_soc_devices)) + return 0; + + vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi"); + if (IS_ERR(vdds_dsi)) { + if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) + DSSERR("can't get VDDS_DSI regulator\n"); + return PTR_ERR(vdds_dsi); + } + + dpi->vdds_dsi_reg = vdds_dsi; + + return 0; } int dpi_init_port(struct dss_device *dss, struct platform_device *pdev, @@ -764,15 +732,14 @@ int dpi_init_port(struct dss_device *dss, struct platform_device *pdev, return 0; r = of_property_read_u32(ep, "data-lines", &datalines); + of_node_put(ep); if (r) { DSSERR("failed to parse datalines\n"); - goto err_datalines; + return r; } dpi->data_lines = datalines; - of_node_put(ep); - dpi->pdev = pdev; dpi->dss_model = dss_model; dpi->dss = dss; @@ -780,14 +747,11 @@ int dpi_init_port(struct dss_device *dss, struct platform_device *pdev, mutex_init(&dpi->lock); - dpi_init_output_port(dpi, port); - - return 0; - -err_datalines: - of_node_put(ep); + r = dpi_init_regulator(dpi); + if (r) + return r; - return r; + return dpi_init_output_port(dpi, port); } void dpi_uninit_port(struct device_node *port) diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 74467b308721..394c129cfb3b 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -403,6 +403,7 @@ struct dsi_data { struct { struct dss_debugfs_entry *irqs; struct dss_debugfs_entry *regs; + struct dss_debugfs_entry *clks; } debugfs; #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS @@ -442,27 +443,6 @@ static inline struct dsi_data *to_dsi_data(struct omap_dss_device *dssdev) return dev_get_drvdata(dssdev->dev); } -static struct dsi_data *dsi_get_dsi_from_id(int module) -{ - struct omap_dss_device *out; - enum omap_dss_output_id id; - - switch (module) { - case 0: - id = OMAP_DSS_OUTPUT_DSI1; - break; - case 1: - id = OMAP_DSS_OUTPUT_DSI2; - break; - default: - return NULL; - } - - out = omap_dss_get_output(id); - - return out ? to_dsi_data(out) : NULL; -} - static inline void dsi_write_reg(struct dsi_data *dsi, const struct dsi_reg idx, u32 val) { @@ -1157,26 +1137,6 @@ static void dsi_runtime_put(struct dsi_data *dsi) WARN_ON(r < 0 && r != -ENOSYS); } -static int dsi_regulator_init(struct dsi_data *dsi) -{ - struct regulator *vdds_dsi; - - if (dsi->vdds_dsi_reg != NULL) - return 0; - - vdds_dsi = devm_regulator_get(dsi->dev, "vdd"); - - if (IS_ERR(vdds_dsi)) { - if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) - DSSERR("can't get DSI VDD regulator\n"); - return PTR_ERR(vdds_dsi); - } - - dsi->vdds_dsi_reg = vdds_dsi; - - return 0; -} - static void _dsi_print_reset_status(struct dsi_data *dsi) { u32 l; @@ -1373,10 +1333,6 @@ static int dsi_pll_enable(struct dss_pll *pll) DSSDBG("PLL init\n"); - r = dsi_regulator_init(dsi); - if (r) - return r; - r = dsi_runtime_get(dsi); if (r) return r; @@ -1448,8 +1404,9 @@ static void dsi_pll_disable(struct dss_pll *pll) dsi_pll_uninit(dsi, true); } -static void dsi_dump_dsi_clocks(struct dsi_data *dsi, struct seq_file *s) +static int dsi_dump_dsi_clocks(struct seq_file *s, void *p) { + struct dsi_data *dsi = p; struct dss_pll_clock_info *cinfo = &dsi->pll.cinfo; enum dss_clk_source dispc_clk_src, dsi_clk_src; int dsi_module = dsi->module_id; @@ -1459,7 +1416,7 @@ static void dsi_dump_dsi_clocks(struct dsi_data *dsi, struct seq_file *s) dsi_clk_src = dss_get_dsi_clk_source(dsi->dss, dsi_module); if (dsi_runtime_get(dsi)) - return; + return 0; seq_printf(s, "- DSI%d PLL -\n", dsi_module + 1); @@ -1503,23 +1460,14 @@ static void dsi_dump_dsi_clocks(struct dsi_data *dsi, struct seq_file *s) seq_printf(s, "LP_CLK\t\t%lu\n", dsi->current_lp_cinfo.lp_clk); dsi_runtime_put(dsi); -} - -void dsi_dump_clocks(struct seq_file *s) -{ - struct dsi_data *dsi; - int i; - for (i = 0; i < MAX_NUM_DSI; i++) { - dsi = dsi_get_dsi_from_id(i); - if (dsi) - dsi_dump_dsi_clocks(dsi, s); - } + return 0; } #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS -static void dsi_dump_dsi_irqs(struct dsi_data *dsi, struct seq_file *s) +static int dsi_dump_dsi_irqs(struct seq_file *s, void *p) { + struct dsi_data *dsi = p; unsigned long flags; struct dsi_irq_stats stats; @@ -1603,33 +1551,20 @@ static void dsi_dump_dsi_irqs(struct dsi_data *dsi, struct seq_file *s) PIS(ULPSACTIVENOT_ALL0); PIS(ULPSACTIVENOT_ALL1); #undef PIS -} -static int dsi1_dump_irqs(struct seq_file *s, void *p) -{ - struct dsi_data *dsi = dsi_get_dsi_from_id(0); - - dsi_dump_dsi_irqs(dsi, s); - return 0; -} - -static int dsi2_dump_irqs(struct seq_file *s, void *p) -{ - struct dsi_data *dsi = dsi_get_dsi_from_id(1); - - dsi_dump_dsi_irqs(dsi, s); return 0; } #endif -static void dsi_dump_dsi_regs(struct dsi_data *dsi, struct seq_file *s) +static int dsi_dump_dsi_regs(struct seq_file *s, void *p) { -#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dsi_read_reg(dsi, r)) + struct dsi_data *dsi = p; if (dsi_runtime_get(dsi)) - return; + return 0; dsi_enable_scp_clk(dsi); +#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dsi_read_reg(dsi, r)) DUMPREG(DSI_REVISION); DUMPREG(DSI_SYSCONFIG); DUMPREG(DSI_SYSSTATUS); @@ -1699,25 +1634,11 @@ static void dsi_dump_dsi_regs(struct dsi_data *dsi, struct seq_file *s) DUMPREG(DSI_PLL_GO); DUMPREG(DSI_PLL_CONFIGURATION1); DUMPREG(DSI_PLL_CONFIGURATION2); +#undef DUMPREG dsi_disable_scp_clk(dsi); dsi_runtime_put(dsi); -#undef DUMPREG -} - -static int dsi1_dump_regs(struct seq_file *s, void *p) -{ - struct dsi_data *dsi = dsi_get_dsi_from_id(0); - - dsi_dump_dsi_regs(dsi, s); - return 0; -} - -static int dsi2_dump_regs(struct seq_file *s, void *p) -{ - struct dsi_data *dsi = dsi_get_dsi_from_id(1); - dsi_dump_dsi_regs(dsi, s); return 0; } @@ -3344,7 +3265,7 @@ static void dsi_config_vp_num_line_buffers(struct dsi_data *dsi) if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { int bpp = dsi_get_pixel_size(dsi->pix_fmt); - struct videomode *vm = &dsi->vm; + const struct videomode *vm = &dsi->vm; /* * Don't use line buffers if width is greater than the video * port's line buffer size @@ -3473,7 +3394,7 @@ static void dsi_config_cmd_mode_interleaving(struct dsi_data *dsi) int ddr_clk_pre, ddr_clk_post, enter_hs_mode_lat, exit_hs_mode_lat; int tclk_trail, ths_exit, exiths_clk; bool ddr_alwon; - struct videomode *vm = &dsi->vm; + const struct videomode *vm = &dsi->vm; int bpp = dsi_get_pixel_size(dsi->pix_fmt); int ndl = dsi->num_lanes_used - 1; int dsi_fclk_hsdiv = dsi->user_dsi_cinfo.mX[HSDIV_DSI] + 1; @@ -3723,7 +3644,7 @@ static void dsi_proto_timings(struct dsi_data *dsi) int vbp = dsi->vm_timings.vbp; int window_sync = dsi->vm_timings.window_sync; bool hsync_end; - struct videomode *vm = &dsi->vm; + const struct videomode *vm = &dsi->vm; int bpp = dsi_get_pixel_size(dsi->pix_fmt); int tl, t_he, width_bytes; @@ -3980,8 +3901,6 @@ static void dsi_update_screen_dispc(struct dsi_data *dsi) msecs_to_jiffies(250)); BUG_ON(r == 0); - dss_mgr_set_timings(&dsi->output, &dsi->vm); - dss_mgr_start_update(&dsi->output); if (dsi->te_enabled) { @@ -4123,24 +4042,6 @@ static int dsi_display_init_dispc(struct dsi_data *dsi) dsi->mgr_config.fifohandcheck = false; } - /* - * override interlace, logic level and edge related parameters in - * videomode with default values - */ - dsi->vm.flags &= ~DISPLAY_FLAGS_INTERLACED; - dsi->vm.flags &= ~DISPLAY_FLAGS_HSYNC_LOW; - dsi->vm.flags |= DISPLAY_FLAGS_HSYNC_HIGH; - dsi->vm.flags &= ~DISPLAY_FLAGS_VSYNC_LOW; - dsi->vm.flags |= DISPLAY_FLAGS_VSYNC_HIGH; - dsi->vm.flags &= ~DISPLAY_FLAGS_PIXDATA_NEGEDGE; - dsi->vm.flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE; - dsi->vm.flags &= ~DISPLAY_FLAGS_DE_LOW; - dsi->vm.flags |= DISPLAY_FLAGS_DE_HIGH; - dsi->vm.flags &= ~DISPLAY_FLAGS_SYNC_POSEDGE; - dsi->vm.flags |= DISPLAY_FLAGS_SYNC_NEGEDGE; - - dss_mgr_set_timings(&dsi->output, &dsi->vm); - r = dsi_configure_dispc_clocks(dsi); if (r) goto err1; @@ -4840,6 +4741,19 @@ static int dsi_set_config(struct omap_dss_device *dssdev, dsi->user_dispc_cinfo = ctx.dispc_cinfo; dsi->vm = ctx.vm; + + /* + * override interlace, logic level and edge related parameters in + * videomode with default values + */ + dsi->vm.flags &= ~DISPLAY_FLAGS_INTERLACED; + dsi->vm.flags &= ~DISPLAY_FLAGS_HSYNC_LOW; + dsi->vm.flags |= DISPLAY_FLAGS_HSYNC_HIGH; + dsi->vm.flags &= ~DISPLAY_FLAGS_VSYNC_LOW; + dsi->vm.flags |= DISPLAY_FLAGS_VSYNC_HIGH; + + dss_mgr_set_timings(&dsi->output, &dsi->vm); + dsi->vm_timings = ctx.dsi_vm; mutex_unlock(&dsi->lock); @@ -4960,163 +4874,71 @@ static int dsi_get_clocks(struct dsi_data *dsi) return 0; } -static int dsi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int dsi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct dsi_data *dsi = to_dsi_data(dssdev); int r; - r = dsi_regulator_init(dsi); - if (r) - return r; - - r = dss_mgr_connect(&dsi->output, dssdev); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dssdev->name); - dss_mgr_disconnect(&dsi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void dsi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void dsi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct dsi_data *dsi = to_dsi_data(dssdev); + dst->dispc_channel_connected = false; - WARN_ON(dst != dssdev->dst); - - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&dsi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } -static const struct omapdss_dsi_ops dsi_ops = { +static const struct omap_dss_device_ops dsi_ops = { .connect = dsi_connect, .disconnect = dsi_disconnect, - - .bus_lock = dsi_bus_lock, - .bus_unlock = dsi_bus_unlock, - .enable = dsi_display_enable, - .disable = dsi_display_disable, - - .enable_hs = dsi_vc_enable_hs, - - .configure_pins = dsi_configure_pins, - .set_config = dsi_set_config, - - .enable_video_output = dsi_enable_video_output, - .disable_video_output = dsi_disable_video_output, - - .update = dsi_update, - - .enable_te = dsi_enable_te, - - .request_vc = dsi_request_vc, - .set_vc_id = dsi_set_vc_id, - .release_vc = dsi_release_vc, - - .dcs_write = dsi_vc_dcs_write, - .dcs_write_nosync = dsi_vc_dcs_write_nosync, - .dcs_read = dsi_vc_dcs_read, - - .gen_write = dsi_vc_generic_write, - .gen_write_nosync = dsi_vc_generic_write_nosync, - .gen_read = dsi_vc_generic_read, - - .bta_sync = dsi_vc_send_bta_sync, - - .set_max_rx_packet_size = dsi_vc_set_max_rx_packet_size, -}; - -static void dsi_init_output(struct dsi_data *dsi) -{ - struct omap_dss_device *out = &dsi->output; - - out->dev = dsi->dev; - out->id = dsi->module_id == 0 ? - OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2; - - out->output_type = OMAP_DISPLAY_TYPE_DSI; - out->name = dsi->module_id == 0 ? "dsi.0" : "dsi.1"; - out->dispc_channel = dsi_get_channel(dsi); - out->ops.dsi = &dsi_ops; - out->owner = THIS_MODULE; - omapdss_register_output(out); -} + .dsi = { + .bus_lock = dsi_bus_lock, + .bus_unlock = dsi_bus_unlock, -static void dsi_uninit_output(struct dsi_data *dsi) -{ - struct omap_dss_device *out = &dsi->output; + .disable = dsi_display_disable, - omapdss_unregister_output(out); -} + .enable_hs = dsi_vc_enable_hs, -static int dsi_probe_of(struct dsi_data *dsi) -{ - struct device_node *node = dsi->dev->of_node; - struct property *prop; - u32 lane_arr[10]; - int len, num_pins; - int r, i; - struct device_node *ep; - struct omap_dsi_pin_config pin_cfg; - - ep = of_graph_get_endpoint_by_regs(node, 0, 0); - if (!ep) - return 0; + .configure_pins = dsi_configure_pins, + .set_config = dsi_set_config, - prop = of_find_property(ep, "lanes", &len); - if (prop == NULL) { - dev_err(dsi->dev, "failed to find lane data\n"); - r = -EINVAL; - goto err; - } + .enable_video_output = dsi_enable_video_output, + .disable_video_output = dsi_disable_video_output, - num_pins = len / sizeof(u32); + .update = dsi_update, - if (num_pins < 4 || num_pins % 2 != 0 || - num_pins > dsi->num_lanes_supported * 2) { - dev_err(dsi->dev, "bad number of lanes\n"); - r = -EINVAL; - goto err; - } + .enable_te = dsi_enable_te, - r = of_property_read_u32_array(ep, "lanes", lane_arr, num_pins); - if (r) { - dev_err(dsi->dev, "failed to read lane data\n"); - goto err; - } + .request_vc = dsi_request_vc, + .set_vc_id = dsi_set_vc_id, + .release_vc = dsi_release_vc, - pin_cfg.num_pins = num_pins; - for (i = 0; i < num_pins; ++i) - pin_cfg.pins[i] = (int)lane_arr[i]; + .dcs_write = dsi_vc_dcs_write, + .dcs_write_nosync = dsi_vc_dcs_write_nosync, + .dcs_read = dsi_vc_dcs_read, - r = dsi_configure_pins(&dsi->output, &pin_cfg); - if (r) { - dev_err(dsi->dev, "failed to configure pins"); - goto err; - } + .gen_write = dsi_vc_generic_write, + .gen_write_nosync = dsi_vc_generic_write_nosync, + .gen_read = dsi_vc_generic_read, - of_node_put(ep); + .bta_sync = dsi_vc_send_bta_sync, - return 0; + .set_max_rx_packet_size = dsi_vc_set_max_rx_packet_size, + }, +}; -err: - of_node_put(ep); - return r; -} +/* ----------------------------------------------------------------------------- + * PLL + */ static const struct dss_pll_ops dsi_pll_ops = { .enable = dsi_pll_enable, @@ -5231,7 +5053,175 @@ static int dsi_init_pll_data(struct dss_device *dss, struct dsi_data *dsi) return 0; } -/* DSI1 HW IP initialisation */ +/* ----------------------------------------------------------------------------- + * Component Bind & Unbind + */ + +static int dsi_bind(struct device *dev, struct device *master, void *data) +{ + struct dss_device *dss = dss_get_device(master); + struct dsi_data *dsi = dev_get_drvdata(dev); + char name[10]; + u32 rev; + int r; + + dsi->dss = dss; + + dsi_init_pll_data(dss, dsi); + + r = dsi_runtime_get(dsi); + if (r) + return r; + + rev = dsi_read_reg(dsi, DSI_REVISION); + dev_dbg(dev, "OMAP DSI rev %d.%d\n", + FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); + + dsi->line_buffer_size = dsi_get_line_buf_size(dsi); + + dsi_runtime_put(dsi); + + snprintf(name, sizeof(name), "dsi%u_regs", dsi->module_id + 1); + dsi->debugfs.regs = dss_debugfs_create_file(dss, name, + dsi_dump_dsi_regs, &dsi); +#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS + snprintf(name, sizeof(name), "dsi%u_irqs", dsi->module_id + 1); + dsi->debugfs.irqs = dss_debugfs_create_file(dss, name, + dsi_dump_dsi_irqs, &dsi); +#endif + snprintf(name, sizeof(name), "dsi%u_clks", dsi->module_id + 1); + dsi->debugfs.clks = dss_debugfs_create_file(dss, name, + dsi_dump_dsi_clocks, &dsi); + + return 0; +} + +static void dsi_unbind(struct device *dev, struct device *master, void *data) +{ + struct dsi_data *dsi = dev_get_drvdata(dev); + + dss_debugfs_remove_file(dsi->debugfs.clks); + dss_debugfs_remove_file(dsi->debugfs.irqs); + dss_debugfs_remove_file(dsi->debugfs.regs); + + of_platform_depopulate(dev); + + WARN_ON(dsi->scp_clk_refcount > 0); + + dss_pll_unregister(&dsi->pll); +} + +static const struct component_ops dsi_component_ops = { + .bind = dsi_bind, + .unbind = dsi_unbind, +}; + +/* ----------------------------------------------------------------------------- + * Probe & Remove, Suspend & Resume + */ + +static int dsi_init_output(struct dsi_data *dsi) +{ + struct omap_dss_device *out = &dsi->output; + int r; + + out->dev = dsi->dev; + out->id = dsi->module_id == 0 ? + OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2; + + out->output_type = OMAP_DISPLAY_TYPE_DSI; + out->name = dsi->module_id == 0 ? "dsi.0" : "dsi.1"; + out->dispc_channel = dsi_get_channel(dsi); + out->ops = &dsi_ops; + out->owner = THIS_MODULE; + out->of_ports = BIT(0); + out->bus_flags = DRM_BUS_FLAG_PIXDATA_POSEDGE + | DRM_BUS_FLAG_DE_HIGH + | DRM_BUS_FLAG_SYNC_NEGEDGE; + + out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } + + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; +} + +static void dsi_uninit_output(struct dsi_data *dsi) +{ + struct omap_dss_device *out = &dsi->output; + + if (out->next) + omapdss_device_put(out->next); + omapdss_device_unregister(out); +} + +static int dsi_probe_of(struct dsi_data *dsi) +{ + struct device_node *node = dsi->dev->of_node; + struct property *prop; + u32 lane_arr[10]; + int len, num_pins; + int r, i; + struct device_node *ep; + struct omap_dsi_pin_config pin_cfg; + + ep = of_graph_get_endpoint_by_regs(node, 0, 0); + if (!ep) + return 0; + + prop = of_find_property(ep, "lanes", &len); + if (prop == NULL) { + dev_err(dsi->dev, "failed to find lane data\n"); + r = -EINVAL; + goto err; + } + + num_pins = len / sizeof(u32); + + if (num_pins < 4 || num_pins % 2 != 0 || + num_pins > dsi->num_lanes_supported * 2) { + dev_err(dsi->dev, "bad number of lanes\n"); + r = -EINVAL; + goto err; + } + + r = of_property_read_u32_array(ep, "lanes", lane_arr, num_pins); + if (r) { + dev_err(dsi->dev, "failed to read lane data\n"); + goto err; + } + + pin_cfg.num_pins = num_pins; + for (i = 0; i < num_pins; ++i) + pin_cfg.pins[i] = (int)lane_arr[i]; + + r = dsi_configure_pins(&dsi->output, &pin_cfg); + if (r) { + dev_err(dsi->dev, "failed to configure pins"); + goto err; + } + + of_node_put(ep); + + return 0; + +err: + of_node_put(ep); + return r; +} + static const struct dsi_of_data dsi_of_data_omap34xx = { .model = DSI_MODEL_OMAP3, .pll_hw = &dss_omap3_dsi_pll_hw, @@ -5297,23 +5287,21 @@ static const struct soc_device_attribute dsi_soc_devices[] = { { /* sentinel */ } }; -static int dsi_bind(struct device *dev, struct device *master, void *data) +static int dsi_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); - struct dss_device *dss = dss_get_device(master); const struct soc_device_attribute *soc; const struct dsi_module_id_data *d; - u32 rev; - int r, i; + struct device *dev = &pdev->dev; struct dsi_data *dsi; struct resource *dsi_mem; struct resource *res; + unsigned int i; + int r; dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL); if (!dsi) return -ENOMEM; - dsi->dss = dss; dsi->dev = dev; dev_set_drvdata(dev, dsi); @@ -5364,6 +5352,13 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) return r; } + dsi->vdds_dsi_reg = devm_regulator_get(dev, "vdd"); + if (IS_ERR(dsi->vdds_dsi_reg)) { + if (PTR_ERR(dsi->vdds_dsi_reg) != -EPROBE_DEFER) + DSSERR("can't get DSI VDD regulator\n"); + return PTR_ERR(dsi->vdds_dsi_reg); + } + soc = soc_device_match(dsi_soc_devices); if (soc) dsi->data = soc->data; @@ -5410,18 +5405,8 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) if (r) return r; - dsi_init_pll_data(dss, dsi); - pm_runtime_enable(dev); - r = dsi_runtime_get(dsi); - if (r) - goto err_runtime_get; - - rev = dsi_read_reg(dsi, DSI_REVISION); - dev_dbg(dev, "OMAP DSI rev %d.%d\n", - FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); - /* DSI on OMAP3 doesn't have register DSI_GNQ, set number * of data to 3 by default */ if (dsi->data->quirks & DSI_QUIRK_GNQ) @@ -5430,88 +5415,48 @@ static int dsi_bind(struct device *dev, struct device *master, void *data) else dsi->num_lanes_supported = 3; - dsi->line_buffer_size = dsi_get_line_buf_size(dsi); - - dsi_init_output(dsi); + r = dsi_init_output(dsi); + if (r) + goto err_pm_disable; r = dsi_probe_of(dsi); if (r) { DSSERR("Invalid DSI DT data\n"); - goto err_probe_of; + goto err_uninit_output; } r = of_platform_populate(dev->of_node, NULL, NULL, dev); if (r) DSSERR("Failed to populate DSI child devices: %d\n", r); - dsi_runtime_put(dsi); - - if (dsi->module_id == 0) - dsi->debugfs.regs = dss_debugfs_create_file(dss, "dsi1_regs", - dsi1_dump_regs, - &dsi); - else - dsi->debugfs.regs = dss_debugfs_create_file(dss, "dsi2_regs", - dsi2_dump_regs, - &dsi); -#ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS - if (dsi->module_id == 0) - dsi->debugfs.irqs = dss_debugfs_create_file(dss, "dsi1_irqs", - dsi1_dump_irqs, - &dsi); - else - dsi->debugfs.irqs = dss_debugfs_create_file(dss, "dsi2_irqs", - dsi2_dump_irqs, - &dsi); -#endif + r = component_add(&pdev->dev, &dsi_component_ops); + if (r) + goto err_uninit_output; return 0; -err_probe_of: +err_uninit_output: dsi_uninit_output(dsi); - dsi_runtime_put(dsi); - -err_runtime_get: +err_pm_disable: pm_runtime_disable(dev); return r; } -static void dsi_unbind(struct device *dev, struct device *master, void *data) +static int dsi_remove(struct platform_device *pdev) { - struct dsi_data *dsi = dev_get_drvdata(dev); + struct dsi_data *dsi = platform_get_drvdata(pdev); - dss_debugfs_remove_file(dsi->debugfs.irqs); - dss_debugfs_remove_file(dsi->debugfs.regs); - - of_platform_depopulate(dev); - - WARN_ON(dsi->scp_clk_refcount > 0); - - dss_pll_unregister(&dsi->pll); + component_del(&pdev->dev, &dsi_component_ops); dsi_uninit_output(dsi); - pm_runtime_disable(dev); + pm_runtime_disable(&pdev->dev); if (dsi->vdds_dsi_reg != NULL && dsi->vdds_dsi_enabled) { regulator_disable(dsi->vdds_dsi_reg); dsi->vdds_dsi_enabled = false; } -} -static const struct component_ops dsi_component_ops = { - .bind = dsi_bind, - .unbind = dsi_unbind, -}; - -static int dsi_probe(struct platform_device *pdev) -{ - return component_add(&pdev->dev, &dsi_component_ops); -} - -static int dsi_remove(struct platform_device *pdev) -{ - component_del(&pdev->dev, &dsi_component_ops); return 0; } diff --git a/drivers/gpu/drm/omapdrm/dss/dss-of.c b/drivers/gpu/drm/omapdrm/dss/dss-of.c index 4602a79c6c44..0422597ac6b0 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss-of.c +++ b/drivers/gpu/drm/omapdrm/dss/dss-of.c @@ -21,7 +21,8 @@ #include "omapdss.h" -struct device_node *dss_of_port_get_parent_device(struct device_node *port) +static struct device_node * +dss_of_port_get_parent_device(struct device_node *port) { struct device_node *np; int i; @@ -45,41 +46,37 @@ struct device_node *dss_of_port_get_parent_device(struct device_node *port) return NULL; } -u32 dss_of_port_get_port_number(struct device_node *port) -{ - int r; - u32 reg; - - r = of_property_read_u32(port, "reg", ®); - if (r) - reg = 0; - - return reg; -} - struct omap_dss_device * -omapdss_of_find_source_for_first_ep(struct device_node *node) +omapdss_of_find_connected_device(struct device_node *node, unsigned int port) { - struct device_node *ep; + struct device_node *src_node; struct device_node *src_port; + struct device_node *ep; struct omap_dss_device *src; + u32 port_number = 0; - ep = of_graph_get_endpoint_by_regs(node, 0, 0); + /* Get the endpoint... */ + ep = of_graph_get_endpoint_by_regs(node, port, 0); if (!ep) - return ERR_PTR(-EINVAL); + return NULL; + /* ... and its remote port... */ src_port = of_graph_get_remote_port(ep); - if (!src_port) { - of_node_put(ep); - return ERR_PTR(-EINVAL); - } - of_node_put(ep); + if (!src_port) + return NULL; - src = omap_dss_find_output_by_port_node(src_port); - + /* ... and the remote port's number and parent... */ + of_property_read_u32(src_port, "reg", &port_number); + src_node = dss_of_port_get_parent_device(src_port); of_node_put(src_port); + if (!src_node) + return ERR_PTR(-EINVAL); + + /* ... and finally the connected device. */ + src = omapdss_find_device_by_port(src_node, port_number); + of_node_put(src_node); return src ? src : ERR_PTR(-EPROBE_DEFER); } -EXPORT_SYMBOL_GPL(omapdss_of_find_source_for_first_ep); +EXPORT_SYMBOL_GPL(omapdss_of_find_connected_device); diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c index cb80ddaa19d2..1aaf260aa9b8 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.c +++ b/drivers/gpu/drm/omapdrm/dss/dss.c @@ -394,9 +394,6 @@ static int dss_debug_dump_clocks(struct seq_file *s, void *p) dss_dump_clocks(dss, s); dispc_dump_clocks(dss->dispc, s); -#ifdef CONFIG_OMAP2_DSS_DSI - dsi_dump_clocks(s); -#endif return 0; } @@ -681,12 +678,6 @@ unsigned long dss_get_max_fck_rate(struct dss_device *dss) return dss->feat->fck_freq_max; } -enum omap_dss_output_id dss_get_supported_outputs(struct dss_device *dss, - enum omap_channel channel) -{ - return dss->feat->outputs[channel]; -} - static int dss_setup_default_clock(struct dss_device *dss) { unsigned long max_dss_fck, prate; @@ -956,7 +947,7 @@ dss_debugfs_create_file(struct dss_device *dss, const char *name, &dss_debug_fops); if (IS_ERR(d)) { kfree(entry); - return ERR_PTR(PTR_ERR(d)); + return ERR_CAST(d); } entry->dentry = d; @@ -1183,7 +1174,8 @@ static int dss_init_ports(struct dss_device *dss) struct platform_device *pdev = dss->pdev; struct device_node *parent = pdev->dev.of_node; struct device_node *port; - int i; + unsigned int i; + int r; for (i = 0; i < dss->feat->num_ports; i++) { port = of_graph_get_port_by_id(parent, i); @@ -1192,11 +1184,17 @@ static int dss_init_ports(struct dss_device *dss) switch (dss->feat->ports[i]) { case OMAP_DISPLAY_TYPE_DPI: - dpi_init_port(dss, pdev, port, dss->feat->model); + r = dpi_init_port(dss, pdev, port, dss->feat->model); + if (r) + return r; break; + case OMAP_DISPLAY_TYPE_SDI: - sdi_init_port(dss, pdev, port); + r = sdi_init_port(dss, pdev, port); + if (r) + return r; break; + default: break; } @@ -1315,6 +1313,7 @@ static const struct soc_device_attribute dss_soc_devices[] = { static int dss_bind(struct device *dev) { struct dss_device *dss = dev_get_drvdata(dev); + struct platform_device *drm_pdev; int r; r = component_bind_all(dev, NULL); @@ -1323,14 +1322,25 @@ static int dss_bind(struct device *dev) pm_set_vt_switch(0); - omapdss_gather_components(dev); omapdss_set_dss(dss); + drm_pdev = platform_device_register_simple("omapdrm", 0, NULL, 0); + if (IS_ERR(drm_pdev)) { + component_unbind_all(dev, NULL); + return PTR_ERR(drm_pdev); + } + + dss->drm_pdev = drm_pdev; + return 0; } static void dss_unbind(struct device *dev) { + struct dss_device *dss = dev_get_drvdata(dev); + + platform_device_unregister(dss->drm_pdev); + omapdss_set_dss(NULL); component_unbind_all(dev, NULL); @@ -1474,6 +1484,8 @@ static int dss_probe(struct platform_device *pdev) dss); /* Add all the child devices as components. */ + omapdss_gather_components(&pdev->dev); + device_for_each_child(&pdev->dev, &match, dss_add_child_component); r = component_master_add_with_match(&pdev->dev, &dss_component_ops, match); @@ -1539,12 +1551,9 @@ static void dss_shutdown(struct platform_device *pdev) DSSDBG("shutdown\n"); - for_each_dss_dev(dssdev) { - if (!dssdev->driver) - continue; - + for_each_dss_display(dssdev) { if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) - dssdev->driver->disable(dssdev); + dssdev->ops->disable(dssdev); } } diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h index 38302631b64b..37790c363128 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.h +++ b/drivers/gpu/drm/omapdrm/dss/dss.h @@ -238,6 +238,8 @@ struct dss_device { struct regmap *syscon_pll_ctrl; u32 syscon_pll_ctrl_offset; + struct platform_device *drm_pdev; + struct clk *parent_clk; struct clk *dss_clk; unsigned long dss_clk_rate; @@ -267,6 +269,8 @@ struct dss_device { struct dispc_device *dispc; const struct dispc_ops *dispc_ops; + const struct dss_mgr_ops *mgr_ops; + struct omap_drm_private *mgr_ops_priv; }; /* core */ @@ -313,8 +317,6 @@ void dss_runtime_put(struct dss_device *dss); unsigned long dss_get_dispc_clk_rate(struct dss_device *dss); unsigned long dss_get_max_fck_rate(struct dss_device *dss); -enum omap_dss_output_id dss_get_supported_outputs(struct dss_device *dss, - enum omap_channel channel); int dss_dpi_select_source(struct dss_device *dss, int port, enum omap_channel channel); void dss_select_hdmi_venc_clk_source(struct dss_device *dss, @@ -374,8 +376,6 @@ static inline void sdi_uninit_port(struct device_node *port) #ifdef CONFIG_OMAP2_DSS_DSI -void dsi_dump_clocks(struct seq_file *s); - void dsi_irq_handler(void); #endif @@ -417,9 +417,6 @@ bool dispc_div_calc(struct dispc_device *dispc, unsigned long dispc_freq, unsigned long pck_min, unsigned long pck_max, dispc_div_calc_func func, void *data); -bool dispc_mgr_timings_ok(struct dispc_device *dispc, - enum omap_channel channel, - const struct videomode *vm); int dispc_calc_clock_rates(struct dispc_device *dispc, unsigned long dispc_fclk_rate, struct dispc_clock_info *cinfo); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi.h b/drivers/gpu/drm/omapdrm/dss/hdmi.h index 3aeb4cabd59f..7f0dc490a31d 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi.h +++ b/drivers/gpu/drm/omapdrm/dss/hdmi.h @@ -313,13 +313,13 @@ void hdmi_wp_clear_irqenable(struct hdmi_wp_data *wp, u32 mask); int hdmi_wp_set_phy_pwr(struct hdmi_wp_data *wp, enum hdmi_phy_pwr val); int hdmi_wp_set_pll_pwr(struct hdmi_wp_data *wp, enum hdmi_pll_pwr val); void hdmi_wp_video_config_format(struct hdmi_wp_data *wp, - struct hdmi_video_format *video_fmt); + const struct hdmi_video_format *video_fmt); void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp, - struct videomode *vm); + const struct videomode *vm); void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp, - struct videomode *vm); + const struct videomode *vm); void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt, - struct videomode *vm, struct hdmi_config *param); + struct videomode *vm, const struct hdmi_config *param); int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp, unsigned int version); phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp); diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index 5879f45f6fc9..cf6230eac31a 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -108,26 +108,6 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data) return IRQ_HANDLED; } -static int hdmi_init_regulator(struct omap_hdmi *hdmi) -{ - struct regulator *reg; - - if (hdmi->vdda_reg != NULL) - return 0; - - reg = devm_regulator_get(&hdmi->pdev->dev, "vdda"); - - if (IS_ERR(reg)) { - if (PTR_ERR(reg) != -EPROBE_DEFER) - DSSERR("can't get VDDA regulator\n"); - return PTR_ERR(reg); - } - - hdmi->vdda_reg = reg; - - return 0; -} - static int hdmi_power_on_core(struct omap_hdmi *hdmi) { int r; @@ -174,7 +154,7 @@ static void hdmi_power_off_core(struct omap_hdmi *hdmi) static int hdmi_power_on_full(struct omap_hdmi *hdmi) { int r; - struct videomode *vm; + const struct videomode *vm; struct hdmi_wp_data *wp = &hdmi->wp; struct dss_pll_clock_info hdmi_cinfo = { 0 }; unsigned int pc; @@ -227,9 +207,6 @@ static int hdmi_power_on_full(struct omap_hdmi *hdmi) hdmi4_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg); - /* tv size */ - dss_mgr_set_timings(&hdmi->output, vm); - r = dss_mgr_enable(&hdmi->output); if (r) goto err_mgr_enable; @@ -271,19 +248,8 @@ static void hdmi_power_off_full(struct omap_hdmi *hdmi) hdmi_power_off_core(hdmi); } -static int hdmi_display_check_timing(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - if (!dispc_mgr_timings_ok(hdmi->dss->dispc, dssdev->dispc_channel, vm)) - return -EINVAL; - - return 0; -} - -static void hdmi_display_set_timing(struct omap_dss_device *dssdev, - struct videomode *vm) +static void hdmi_display_set_timings(struct omap_dss_device *dssdev, + const struct videomode *vm) { struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); @@ -296,14 +262,6 @@ static void hdmi_display_set_timing(struct omap_dss_device *dssdev, mutex_unlock(&hdmi->lock); } -static void hdmi_display_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - *vm = hdmi->cfg.vm; -} - static int hdmi_dump_regs(struct seq_file *s, void *p) { struct omap_hdmi *hdmi = s->private; @@ -456,44 +414,25 @@ void hdmi4_core_disable(struct hdmi_core_data *core) mutex_unlock(&hdmi->lock); } -static int hdmi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int hdmi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); int r; - r = hdmi_init_regulator(hdmi); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = dss_mgr_connect(&hdmi->output, dssdev); - if (r) - return r; - - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dst->name); - dss_mgr_disconnect(&hdmi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void hdmi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void hdmi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - WARN_ON(dst != dssdev->dst); + dst->dispc_channel_connected = false; - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&hdmi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } static int hdmi_read_edid(struct omap_dss_device *dssdev, @@ -548,69 +487,28 @@ static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev, return 0; } -static const struct omapdss_hdmi_ops hdmi_ops = { +static const struct omap_dss_device_ops hdmi_ops = { .connect = hdmi_connect, .disconnect = hdmi_disconnect, .enable = hdmi_display_enable, .disable = hdmi_display_disable, - .check_timings = hdmi_display_check_timing, - .set_timings = hdmi_display_set_timing, - .get_timings = hdmi_display_get_timings, + .set_timings = hdmi_display_set_timings, .read_edid = hdmi_read_edid, - .lost_hotplug = hdmi_lost_hotplug, - .set_infoframe = hdmi_set_infoframe, - .set_hdmi_mode = hdmi_set_hdmi_mode, -}; - -static void hdmi_init_output(struct omap_hdmi *hdmi) -{ - struct omap_dss_device *out = &hdmi->output; - - out->dev = &hdmi->pdev->dev; - out->id = OMAP_DSS_OUTPUT_HDMI; - out->output_type = OMAP_DISPLAY_TYPE_HDMI; - out->name = "hdmi.0"; - out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; - out->ops.hdmi = &hdmi_ops; - out->owner = THIS_MODULE; - - omapdss_register_output(out); -} - -static void hdmi_uninit_output(struct omap_hdmi *hdmi) -{ - struct omap_dss_device *out = &hdmi->output; - - omapdss_unregister_output(out); -} - -static int hdmi_probe_of(struct omap_hdmi *hdmi) -{ - struct platform_device *pdev = hdmi->pdev; - struct device_node *node = pdev->dev.of_node; - struct device_node *ep; - int r; - - ep = of_graph_get_endpoint_by_regs(node, 0, 0); - if (!ep) - return 0; - - r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy); - if (r) - goto err; - of_node_put(ep); - return 0; + .hdmi = { + .lost_hotplug = hdmi_lost_hotplug, + .set_infoframe = hdmi_set_infoframe, + .set_hdmi_mode = hdmi_set_hdmi_mode, + }, +}; -err: - of_node_put(ep); - return r; -} +/* ----------------------------------------------------------------------------- + * Audio Callbacks + */ -/* Audio callbacks */ static int hdmi_audio_startup(struct device *dev, void (*abort_cb)(struct device *dev)) { @@ -725,27 +623,143 @@ static int hdmi_audio_register(struct omap_hdmi *hdmi) return 0; } -/* HDMI HW IP initialisation */ +/* ----------------------------------------------------------------------------- + * Component Bind & Unbind + */ + static int hdmi4_bind(struct device *dev, struct device *master, void *data) { - struct platform_device *pdev = to_platform_device(dev); struct dss_device *dss = dss_get_device(master); - struct omap_hdmi *hdmi; + struct omap_hdmi *hdmi = dev_get_drvdata(dev); + int r; + + hdmi->dss = dss; + + r = hdmi_pll_init(dss, hdmi->pdev, &hdmi->pll, &hdmi->wp); + if (r) + return r; + + r = hdmi4_cec_init(hdmi->pdev, &hdmi->core, &hdmi->wp); + if (r) + goto err_pll_uninit; + + r = hdmi_audio_register(hdmi); + if (r) { + DSSERR("Registering HDMI audio failed\n"); + goto err_cec_uninit; + } + + hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, + hdmi); + + return 0; + +err_cec_uninit: + hdmi4_cec_uninit(&hdmi->core); +err_pll_uninit: + hdmi_pll_uninit(&hdmi->pll); + return r; +} + +static void hdmi4_unbind(struct device *dev, struct device *master, void *data) +{ + struct omap_hdmi *hdmi = dev_get_drvdata(dev); + + dss_debugfs_remove_file(hdmi->debugfs); + + if (hdmi->audio_pdev) + platform_device_unregister(hdmi->audio_pdev); + + hdmi4_cec_uninit(&hdmi->core); + hdmi_pll_uninit(&hdmi->pll); +} + +static const struct component_ops hdmi4_component_ops = { + .bind = hdmi4_bind, + .unbind = hdmi4_unbind, +}; + +/* ----------------------------------------------------------------------------- + * Probe & Remove, Suspend & Resume + */ + +static int hdmi4_init_output(struct omap_hdmi *hdmi) +{ + struct omap_dss_device *out = &hdmi->output; int r; + + out->dev = &hdmi->pdev->dev; + out->id = OMAP_DSS_OUTPUT_HDMI; + out->output_type = OMAP_DISPLAY_TYPE_HDMI; + out->name = "hdmi.0"; + out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; + out->ops = &hdmi_ops; + out->owner = THIS_MODULE; + out->of_ports = BIT(0); + out->ops_flags = OMAP_DSS_DEVICE_OP_EDID; + + out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } + + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; +} + +static void hdmi4_uninit_output(struct omap_hdmi *hdmi) +{ + struct omap_dss_device *out = &hdmi->output; + + if (out->next) + omapdss_device_put(out->next); + omapdss_device_unregister(out); +} + +static int hdmi4_probe_of(struct omap_hdmi *hdmi) +{ + struct platform_device *pdev = hdmi->pdev; + struct device_node *node = pdev->dev.of_node; + struct device_node *ep; + int r; + + ep = of_graph_get_endpoint_by_regs(node, 0, 0); + if (!ep) + return 0; + + r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy); + of_node_put(ep); + return r; +} + +static int hdmi4_probe(struct platform_device *pdev) +{ + struct omap_hdmi *hdmi; int irq; + int r; hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); if (!hdmi) return -ENOMEM; hdmi->pdev = pdev; - hdmi->dss = dss; + dev_set_drvdata(&pdev->dev, hdmi); mutex_init(&hdmi->lock); spin_lock_init(&hdmi->audio_playing_lock); - r = hdmi_probe_of(hdmi); + r = hdmi4_probe_of(hdmi); if (r) goto err_free; @@ -753,27 +767,19 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data) if (r) goto err_free; - r = hdmi_pll_init(dss, pdev, &hdmi->pll, &hdmi->wp); - if (r) - goto err_free; - r = hdmi_phy_init(pdev, &hdmi->phy, 4); if (r) - goto err_pll; + goto err_free; r = hdmi4_core_init(pdev, &hdmi->core); if (r) - goto err_pll; - - r = hdmi4_cec_init(pdev, &hdmi->core, &hdmi->wp); - if (r) - goto err_pll; + goto err_free; irq = platform_get_irq(pdev, 0); if (irq < 0) { DSSERR("platform_get_irq failed\n"); r = -ENODEV; - goto err_pll; + goto err_free; } r = devm_request_threaded_irq(&pdev->dev, irq, @@ -781,66 +787,49 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data) IRQF_ONESHOT, "OMAP HDMI", hdmi); if (r) { DSSERR("HDMI IRQ request failed\n"); - goto err_pll; + goto err_free; } - pm_runtime_enable(&pdev->dev); + hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda"); + if (IS_ERR(hdmi->vdda_reg)) { + r = PTR_ERR(hdmi->vdda_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDA regulator\n"); + goto err_free; + } - hdmi_init_output(hdmi); + pm_runtime_enable(&pdev->dev); - r = hdmi_audio_register(hdmi); - if (r) { - DSSERR("Registering HDMI audio failed\n"); - hdmi_uninit_output(hdmi); - pm_runtime_disable(&pdev->dev); - return r; - } + r = hdmi4_init_output(hdmi); + if (r) + goto err_pm_disable; - hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, - hdmi); + r = component_add(&pdev->dev, &hdmi4_component_ops); + if (r) + goto err_uninit_output; return 0; -err_pll: - hdmi_pll_uninit(&hdmi->pll); +err_uninit_output: + hdmi4_uninit_output(hdmi); +err_pm_disable: + pm_runtime_disable(&pdev->dev); err_free: kfree(hdmi); return r; } -static void hdmi4_unbind(struct device *dev, struct device *master, void *data) +static int hdmi4_remove(struct platform_device *pdev) { - struct omap_hdmi *hdmi = dev_get_drvdata(dev); - - dss_debugfs_remove_file(hdmi->debugfs); - - if (hdmi->audio_pdev) - platform_device_unregister(hdmi->audio_pdev); + struct omap_hdmi *hdmi = platform_get_drvdata(pdev); - hdmi_uninit_output(hdmi); - - hdmi4_cec_uninit(&hdmi->core); + component_del(&pdev->dev, &hdmi4_component_ops); - hdmi_pll_uninit(&hdmi->pll); + hdmi4_uninit_output(hdmi); - pm_runtime_disable(dev); + pm_runtime_disable(&pdev->dev); kfree(hdmi); -} - -static const struct component_ops hdmi4_component_ops = { - .bind = hdmi4_bind, - .unbind = hdmi4_unbind, -}; - -static int hdmi4_probe(struct platform_device *pdev) -{ - return component_add(&pdev->dev, &hdmi4_component_ops); -} - -static int hdmi4_remove(struct platform_device *pdev) -{ - component_del(&pdev->dev, &hdmi4_component_ops); return 0; } diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index ae1a001d1b83..b0e4a7463f8c 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -117,24 +117,6 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data) return IRQ_HANDLED; } -static int hdmi_init_regulator(struct omap_hdmi *hdmi) -{ - struct regulator *reg; - - if (hdmi->vdda_reg != NULL) - return 0; - - reg = devm_regulator_get(&hdmi->pdev->dev, "vdda"); - if (IS_ERR(reg)) { - DSSERR("can't get VDDA regulator\n"); - return PTR_ERR(reg); - } - - hdmi->vdda_reg = reg; - - return 0; -} - static int hdmi_power_on_core(struct omap_hdmi *hdmi) { int r; @@ -171,7 +153,7 @@ static void hdmi_power_off_core(struct omap_hdmi *hdmi) static int hdmi_power_on_full(struct omap_hdmi *hdmi) { int r; - struct videomode *vm; + const struct videomode *vm; struct dss_pll_clock_info hdmi_cinfo = { 0 }; unsigned int pc; @@ -224,9 +206,6 @@ static int hdmi_power_on_full(struct omap_hdmi *hdmi) hdmi5_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg); - /* tv size */ - dss_mgr_set_timings(&hdmi->output, vm); - r = dss_mgr_enable(&hdmi->output); if (r) goto err_mgr_enable; @@ -268,19 +247,8 @@ static void hdmi_power_off_full(struct omap_hdmi *hdmi) hdmi_power_off_core(hdmi); } -static int hdmi_display_check_timing(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - if (!dispc_mgr_timings_ok(hdmi->dss->dispc, dssdev->dispc_channel, vm)) - return -EINVAL; - - return 0; -} - -static void hdmi_display_set_timing(struct omap_dss_device *dssdev, - struct videomode *vm) +static void hdmi_display_set_timings(struct omap_dss_device *dssdev, + const struct videomode *vm) { struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); @@ -293,14 +261,6 @@ static void hdmi_display_set_timing(struct omap_dss_device *dssdev, mutex_unlock(&hdmi->lock); } -static void hdmi_display_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - *vm = hdmi->cfg.vm; -} - static int hdmi_dump_regs(struct seq_file *s, void *p) { struct omap_hdmi *hdmi = s->private; @@ -459,44 +419,25 @@ static void hdmi_core_disable(struct omap_hdmi *hdmi) mutex_unlock(&hdmi->lock); } -static int hdmi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int hdmi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); int r; - r = hdmi_init_regulator(hdmi); - if (r) - return r; - - r = dss_mgr_connect(&hdmi->output, dssdev); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dst->name); - dss_mgr_disconnect(&hdmi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void hdmi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void hdmi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - WARN_ON(dst != dssdev->dst); + dst->dispc_channel_connected = false; - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&hdmi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } static int hdmi_read_edid(struct omap_dss_device *dssdev, @@ -540,68 +481,27 @@ static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev, return 0; } -static const struct omapdss_hdmi_ops hdmi_ops = { +static const struct omap_dss_device_ops hdmi_ops = { .connect = hdmi_connect, .disconnect = hdmi_disconnect, .enable = hdmi_display_enable, .disable = hdmi_display_disable, - .check_timings = hdmi_display_check_timing, - .set_timings = hdmi_display_set_timing, - .get_timings = hdmi_display_get_timings, + .set_timings = hdmi_display_set_timings, .read_edid = hdmi_read_edid, - .set_infoframe = hdmi_set_infoframe, - .set_hdmi_mode = hdmi_set_hdmi_mode, -}; - -static void hdmi_init_output(struct omap_hdmi *hdmi) -{ - struct omap_dss_device *out = &hdmi->output; - - out->dev = &hdmi->pdev->dev; - out->id = OMAP_DSS_OUTPUT_HDMI; - out->output_type = OMAP_DISPLAY_TYPE_HDMI; - out->name = "hdmi.0"; - out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; - out->ops.hdmi = &hdmi_ops; - out->owner = THIS_MODULE; - - omapdss_register_output(out); -} - -static void hdmi_uninit_output(struct omap_hdmi *hdmi) -{ - struct omap_dss_device *out = &hdmi->output; - - omapdss_unregister_output(out); -} - -static int hdmi_probe_of(struct omap_hdmi *hdmi) -{ - struct platform_device *pdev = hdmi->pdev; - struct device_node *node = pdev->dev.of_node; - struct device_node *ep; - int r; - - ep = of_graph_get_endpoint_by_regs(node, 0, 0); - if (!ep) - return 0; - - r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy); - if (r) - goto err; - of_node_put(ep); - return 0; + .hdmi = { + .set_infoframe = hdmi_set_infoframe, + .set_hdmi_mode = hdmi_set_hdmi_mode, + }, +}; -err: - of_node_put(ep); - return r; -} +/* ----------------------------------------------------------------------------- + * Audio Callbacks + */ -/* Audio callbacks */ static int hdmi_audio_startup(struct device *dev, void (*abort_cb)(struct device *dev)) { @@ -722,27 +622,136 @@ static int hdmi_audio_register(struct omap_hdmi *hdmi) return 0; } -/* HDMI HW IP initialisation */ +/* ----------------------------------------------------------------------------- + * Component Bind & Unbind + */ + static int hdmi5_bind(struct device *dev, struct device *master, void *data) { - struct platform_device *pdev = to_platform_device(dev); struct dss_device *dss = dss_get_device(master); - struct omap_hdmi *hdmi; + struct omap_hdmi *hdmi = dev_get_drvdata(dev); + int r; + + hdmi->dss = dss; + + r = hdmi_pll_init(dss, hdmi->pdev, &hdmi->pll, &hdmi->wp); + if (r) + return r; + + r = hdmi_audio_register(hdmi); + if (r) { + DSSERR("Registering HDMI audio failed %d\n", r); + goto err_pll_uninit; + } + + hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, + hdmi); + + return 0; + +err_pll_uninit: + hdmi_pll_uninit(&hdmi->pll); + return r; +} + +static void hdmi5_unbind(struct device *dev, struct device *master, void *data) +{ + struct omap_hdmi *hdmi = dev_get_drvdata(dev); + + dss_debugfs_remove_file(hdmi->debugfs); + + if (hdmi->audio_pdev) + platform_device_unregister(hdmi->audio_pdev); + + hdmi_pll_uninit(&hdmi->pll); +} + +static const struct component_ops hdmi5_component_ops = { + .bind = hdmi5_bind, + .unbind = hdmi5_unbind, +}; + +/* ----------------------------------------------------------------------------- + * Probe & Remove, Suspend & Resume + */ + +static int hdmi5_init_output(struct omap_hdmi *hdmi) +{ + struct omap_dss_device *out = &hdmi->output; + int r; + + out->dev = &hdmi->pdev->dev; + out->id = OMAP_DSS_OUTPUT_HDMI; + out->output_type = OMAP_DISPLAY_TYPE_HDMI; + out->name = "hdmi.0"; + out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; + out->ops = &hdmi_ops; + out->owner = THIS_MODULE; + out->of_ports = BIT(0); + out->ops_flags = OMAP_DSS_DEVICE_OP_EDID; + + out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } + + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; +} + +static void hdmi5_uninit_output(struct omap_hdmi *hdmi) +{ + struct omap_dss_device *out = &hdmi->output; + + if (out->next) + omapdss_device_put(out->next); + omapdss_device_unregister(out); +} + +static int hdmi5_probe_of(struct omap_hdmi *hdmi) +{ + struct platform_device *pdev = hdmi->pdev; + struct device_node *node = pdev->dev.of_node; + struct device_node *ep; int r; + + ep = of_graph_get_endpoint_by_regs(node, 0, 0); + if (!ep) + return 0; + + r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy); + of_node_put(ep); + return r; +} + +static int hdmi5_probe(struct platform_device *pdev) +{ + struct omap_hdmi *hdmi; int irq; + int r; hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); if (!hdmi) return -ENOMEM; hdmi->pdev = pdev; - hdmi->dss = dss; + dev_set_drvdata(&pdev->dev, hdmi); mutex_init(&hdmi->lock); spin_lock_init(&hdmi->audio_playing_lock); - r = hdmi_probe_of(hdmi); + r = hdmi5_probe_of(hdmi); if (r) goto err_free; @@ -750,23 +759,19 @@ static int hdmi5_bind(struct device *dev, struct device *master, void *data) if (r) goto err_free; - r = hdmi_pll_init(dss, pdev, &hdmi->pll, &hdmi->wp); - if (r) - goto err_free; - r = hdmi_phy_init(pdev, &hdmi->phy, 5); if (r) - goto err_pll; + goto err_free; r = hdmi5_core_init(pdev, &hdmi->core); if (r) - goto err_pll; + goto err_free; irq = platform_get_irq(pdev, 0); if (irq < 0) { DSSERR("platform_get_irq failed\n"); r = -ENODEV; - goto err_pll; + goto err_free; } r = devm_request_threaded_irq(&pdev->dev, irq, @@ -774,64 +779,49 @@ static int hdmi5_bind(struct device *dev, struct device *master, void *data) IRQF_ONESHOT, "OMAP HDMI", hdmi); if (r) { DSSERR("HDMI IRQ request failed\n"); - goto err_pll; + goto err_free; } - pm_runtime_enable(&pdev->dev); + hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda"); + if (IS_ERR(hdmi->vdda_reg)) { + r = PTR_ERR(hdmi->vdda_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDA regulator\n"); + goto err_free; + } - hdmi_init_output(hdmi); + pm_runtime_enable(&pdev->dev); - r = hdmi_audio_register(hdmi); - if (r) { - DSSERR("Registering HDMI audio failed %d\n", r); - hdmi_uninit_output(hdmi); - pm_runtime_disable(&pdev->dev); - return r; - } + r = hdmi5_init_output(hdmi); + if (r) + goto err_pm_disable; - hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs, - hdmi); + r = component_add(&pdev->dev, &hdmi5_component_ops); + if (r) + goto err_uninit_output; return 0; -err_pll: - hdmi_pll_uninit(&hdmi->pll); +err_uninit_output: + hdmi5_uninit_output(hdmi); +err_pm_disable: + pm_runtime_disable(&pdev->dev); err_free: kfree(hdmi); return r; } -static void hdmi5_unbind(struct device *dev, struct device *master, void *data) +static int hdmi5_remove(struct platform_device *pdev) { - struct omap_hdmi *hdmi = dev_get_drvdata(dev); - - dss_debugfs_remove_file(hdmi->debugfs); + struct omap_hdmi *hdmi = platform_get_drvdata(pdev); - if (hdmi->audio_pdev) - platform_device_unregister(hdmi->audio_pdev); - - hdmi_uninit_output(hdmi); + component_del(&pdev->dev, &hdmi5_component_ops); - hdmi_pll_uninit(&hdmi->pll); + hdmi5_uninit_output(hdmi); - pm_runtime_disable(dev); + pm_runtime_disable(&pdev->dev); kfree(hdmi); -} - -static const struct component_ops hdmi5_component_ops = { - .bind = hdmi5_bind, - .unbind = hdmi5_unbind, -}; - -static int hdmi5_probe(struct platform_device *pdev) -{ - return component_add(&pdev->dev, &hdmi5_component_ops); -} - -static int hdmi5_remove(struct platform_device *pdev) -{ - component_del(&pdev->dev, &hdmi5_component_ops); return 0; } diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c index 2282e48574c6..02efabc7ed76 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c @@ -287,7 +287,7 @@ void hdmi5_core_dump(struct hdmi_core_data *core, struct seq_file *s) } static void hdmi_core_init(struct hdmi_core_vid_config *video_cfg, - struct hdmi_config *cfg) + const struct hdmi_config *cfg) { DSSDBG("hdmi_core_init\n"); @@ -325,10 +325,10 @@ static void hdmi_core_init(struct hdmi_core_vid_config *video_cfg, /* DSS_HDMI_CORE_VIDEO_CONFIG */ static void hdmi_core_video_config(struct hdmi_core_data *core, - struct hdmi_core_vid_config *cfg) + const struct hdmi_core_vid_config *cfg) { void __iomem *base = core->base; - struct videomode *vm = &cfg->v_fc_config.vm; + const struct videomode *vm = &cfg->v_fc_config.vm; unsigned char r = 0; bool vsync_pol, hsync_pol; diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c b/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c index 53bc5f78050c..100efb9f08c6 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c @@ -131,7 +131,7 @@ void hdmi_wp_video_stop(struct hdmi_wp_data *wp) } void hdmi_wp_video_config_format(struct hdmi_wp_data *wp, - struct hdmi_video_format *video_fmt) + const struct hdmi_video_format *video_fmt) { u32 l = 0; @@ -144,7 +144,7 @@ void hdmi_wp_video_config_format(struct hdmi_wp_data *wp, } void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp, - struct videomode *vm) + const struct videomode *vm) { u32 r; bool vsync_inv, hsync_inv; @@ -164,7 +164,7 @@ void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp, } void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp, - struct videomode *vm) + const struct videomode *vm) { u32 timing_h = 0; u32 timing_v = 0; @@ -193,7 +193,7 @@ void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp, } void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt, - struct videomode *vm, struct hdmi_config *param) + struct videomode *vm, const struct hdmi_config *param) { DSSDBG("Enter hdmi_wp_video_init_format\n"); diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 14d74adb13fb..1f698a95a94a 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -296,117 +296,14 @@ struct omap_dss_writeback_info { u8 pre_mult_alpha; }; -struct omapdss_dpi_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); -}; - -struct omapdss_sdi_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); -}; - -struct omapdss_dvi_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); -}; - -struct omapdss_atv_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - - int (*set_wss)(struct omap_dss_device *dssdev, u32 wss); - u32 (*get_wss)(struct omap_dss_device *dssdev); -}; - struct omapdss_hdmi_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - - int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len); void (*lost_hotplug)(struct omap_dss_device *dssdev); - bool (*detect)(struct omap_dss_device *dssdev); - - int (*register_hpd_cb)(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, - enum drm_connector_status status), - void *cb_data); - void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); - void (*enable_hpd)(struct omap_dss_device *dssdev); - void (*disable_hpd)(struct omap_dss_device *dssdev); - int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode); int (*set_infoframe)(struct omap_dss_device *dssdev, const struct hdmi_avi_infoframe *avi); }; struct omapdss_dsi_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes, bool enter_ulps); @@ -457,53 +354,95 @@ struct omapdss_dsi_ops { int channel, u16 plen); }; +struct omap_dss_device_ops { + int (*connect)(struct omap_dss_device *dssdev, + struct omap_dss_device *dst); + void (*disconnect)(struct omap_dss_device *dssdev, + struct omap_dss_device *dst); + + int (*enable)(struct omap_dss_device *dssdev); + void (*disable)(struct omap_dss_device *dssdev); + + int (*check_timings)(struct omap_dss_device *dssdev, + struct videomode *vm); + void (*get_timings)(struct omap_dss_device *dssdev, + struct videomode *vm); + void (*set_timings)(struct omap_dss_device *dssdev, + const struct videomode *vm); + + bool (*detect)(struct omap_dss_device *dssdev); + + void (*register_hpd_cb)(struct omap_dss_device *dssdev, + void (*cb)(void *cb_data, + enum drm_connector_status status), + void *cb_data); + void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); + + int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len); + + union { + const struct omapdss_hdmi_ops hdmi; + const struct omapdss_dsi_ops dsi; + }; +}; + +/** + * enum omap_dss_device_ops_flag - Indicates which device ops are supported + * @OMAP_DSS_DEVICE_OP_DETECT: The device supports output connection detection + * @OMAP_DSS_DEVICE_OP_HPD: The device supports all hot-plug-related operations + * @OMAP_DSS_DEVICE_OP_EDID: The device supports readind EDID + */ +enum omap_dss_device_ops_flag { + OMAP_DSS_DEVICE_OP_DETECT = BIT(0), + OMAP_DSS_DEVICE_OP_HPD = BIT(1), + OMAP_DSS_DEVICE_OP_EDID = BIT(2), +}; + +enum omap_dss_device_type { + OMAP_DSS_DEVICE_TYPE_OUTPUT = (1 << 0), + OMAP_DSS_DEVICE_TYPE_DISPLAY = (1 << 1), +}; + struct omap_dss_device { struct kobject kobj; struct device *dev; struct module *owner; - struct list_head panel_list; + struct dss_device *dss; + struct omap_dss_device *src; + struct omap_dss_device *dst; + struct omap_dss_device *next; + + struct list_head list; - /* alias in the form of "display%d" */ - char alias[16]; + unsigned int alias_id; enum omap_display_type type; + /* + * DSS output type that this device generates (for DSS internal devices) + * or requires (for external encoders). Must be OMAP_DISPLAY_TYPE_NONE + * for display devices (connectors and panels) and to non-zero value for + * all other devices. + */ enum omap_display_type output_type; - struct { - struct videomode vm; - - enum omap_dss_dsi_pixel_format dsi_pix_fmt; - enum omap_dss_dsi_mode dsi_mode; - } panel; - const char *name; - struct omap_dss_driver *driver; - - union { - const struct omapdss_dpi_ops *dpi; - const struct omapdss_sdi_ops *sdi; - const struct omapdss_dvi_ops *dvi; - const struct omapdss_hdmi_ops *hdmi; - const struct omapdss_atv_ops *atv; - const struct omapdss_dsi_ops *dsi; - } ops; + const struct omap_dss_driver *driver; + const struct omap_dss_device_ops *ops; + unsigned long ops_flags; + unsigned long bus_flags; /* helper variable for driver suspend/resume */ bool activate_after_resume; enum omap_display_caps caps; - struct omap_dss_device *src; - enum omap_dss_display_state state; /* OMAP DSS output specific fields */ - struct list_head list; - /* DISPC channel for this output */ enum omap_channel dispc_channel; bool dispc_channel_connected; @@ -511,24 +450,11 @@ struct omap_dss_device { /* output instance */ enum omap_dss_output_id id; - /* the port number in the DT node */ - int port_num; - - /* dynamic fields */ - struct omap_dss_device *dst; + /* bitmask of port numbers in DT */ + unsigned int of_ports; }; struct omap_dss_driver { - int (*probe)(struct omap_dss_device *); - void (*remove)(struct omap_dss_device *); - - int (*connect)(struct omap_dss_device *dssdev); - void (*disconnect)(struct omap_dss_device *dssdev); - - int (*enable)(struct omap_dss_device *display); - void (*disable)(struct omap_dss_device *display); - int (*run_test)(struct omap_dss_device *display, int test); - int (*update)(struct omap_dss_device *dssdev, u16 x, u16 y, u16 w, u16 h); int (*sync)(struct omap_dss_device *dssdev); @@ -536,42 +462,12 @@ struct omap_dss_driver { int (*enable_te)(struct omap_dss_device *dssdev, bool enable); int (*get_te)(struct omap_dss_device *dssdev); - u8 (*get_rotate)(struct omap_dss_device *dssdev); - int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate); - - bool (*get_mirror)(struct omap_dss_device *dssdev); - int (*set_mirror)(struct omap_dss_device *dssdev, bool enable); - int (*memory_read)(struct omap_dss_device *dssdev, void *buf, size_t size, u16 x, u16 y, u16 w, u16 h); - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); void (*get_size)(struct omap_dss_device *dssdev, unsigned int *width, unsigned int *height); - - int (*set_wss)(struct omap_dss_device *dssdev, u32 wss); - u32 (*get_wss)(struct omap_dss_device *dssdev); - - int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len); - bool (*detect)(struct omap_dss_device *dssdev); - - int (*register_hpd_cb)(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, - enum drm_connector_status status), - void *cb_data); - void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); - void (*enable_hpd)(struct omap_dss_device *dssdev); - void (*disable_hpd)(struct omap_dss_device *dssdev); - - int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode); - int (*set_hdmi_infoframe)(struct omap_dss_device *dssdev, - const struct hdmi_avi_infoframe *avi); }; struct dss_device *omapdss_get_dss(void); @@ -581,27 +477,32 @@ static inline bool omapdss_is_initialized(void) return !!omapdss_get_dss(); } -int omapdss_register_display(struct omap_dss_device *dssdev); -void omapdss_unregister_display(struct omap_dss_device *dssdev); - -struct omap_dss_device *omap_dss_get_device(struct omap_dss_device *dssdev); -void omap_dss_put_device(struct omap_dss_device *dssdev); -#define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL) -struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from); +#define for_each_dss_display(d) \ + while ((d = omapdss_device_get_next(d, OMAP_DSS_DEVICE_TYPE_DISPLAY)) != NULL) +void omapdss_display_init(struct omap_dss_device *dssdev); +struct omap_dss_device *omapdss_display_get(struct omap_dss_device *output); + +void omapdss_device_register(struct omap_dss_device *dssdev); +void omapdss_device_unregister(struct omap_dss_device *dssdev); +struct omap_dss_device *omapdss_device_get(struct omap_dss_device *dssdev); +void omapdss_device_put(struct omap_dss_device *dssdev); +struct omap_dss_device *omapdss_find_device_by_port(struct device_node *src, + unsigned int port); +struct omap_dss_device *omapdss_device_get_next(struct omap_dss_device *from, + enum omap_dss_device_type type); +int omapdss_device_connect(struct dss_device *dss, + struct omap_dss_device *src, + struct omap_dss_device *dst); +void omapdss_device_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst); int omap_dss_get_num_overlay_managers(void); int omap_dss_get_num_overlays(void); -int omapdss_register_output(struct omap_dss_device *output); -void omapdss_unregister_output(struct omap_dss_device *output); -struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id); -struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port); -int omapdss_output_set_device(struct omap_dss_device *out, - struct omap_dss_device *dssdev); -int omapdss_output_unset_device(struct omap_dss_device *out); - -struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev); +#define for_each_dss_output(d) \ + while ((d = omapdss_device_get_next(d, OMAP_DSS_DEVICE_TYPE_OUTPUT)) != NULL) +int omapdss_output_validate(struct omap_dss_device *out); typedef void (*omap_dispc_isr_t) (void *arg, u32 mask); int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask); @@ -621,10 +522,7 @@ static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev) } struct omap_dss_device * -omapdss_of_find_source_for_first_ep(struct device_node *node); - -struct device_node *dss_of_port_get_parent_device(struct device_node *port); -u32 dss_of_port_get_port_number(struct device_node *port); +omapdss_of_find_connected_device(struct device_node *node, unsigned int port); enum dss_writeback_channel { DSS_WB_LCD1_MGR = 0, @@ -638,13 +536,6 @@ enum dss_writeback_channel { }; struct dss_mgr_ops { - int (*connect)(struct omap_drm_private *priv, - enum omap_channel channel, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_drm_private *priv, - enum omap_channel channel, - struct omap_dss_device *dst); - void (*start_update)(struct omap_drm_private *priv, enum omap_channel channel); int (*enable)(struct omap_drm_private *priv, @@ -665,14 +556,11 @@ struct dss_mgr_ops { void (*handler)(void *), void *data); }; -int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops, +int dss_install_mgr_ops(struct dss_device *dss, + const struct dss_mgr_ops *mgr_ops, struct omap_drm_private *priv); -void dss_uninstall_mgr_ops(void); +void dss_uninstall_mgr_ops(struct dss_device *dss); -int dss_mgr_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); -void dss_mgr_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); void dss_mgr_set_timings(struct omap_dss_device *dssdev, const struct videomode *vm); void dss_mgr_set_lcd_config(struct omap_dss_device *dssdev, @@ -720,13 +608,14 @@ struct dispc_ops { void (*mgr_set_lcd_config)(struct dispc_device *dispc, enum omap_channel channel, const struct dss_lcd_mgr_config *config); + int (*mgr_check_timings)(struct dispc_device *dispc, + enum omap_channel channel, + const struct videomode *vm); void (*mgr_set_timings)(struct dispc_device *dispc, enum omap_channel channel, const struct videomode *vm); void (*mgr_setup)(struct dispc_device *dispc, enum omap_channel channel, const struct omap_overlay_manager_info *info); - enum omap_dss_output_id (*mgr_get_supported_outputs)( - struct dispc_device *dispc, enum omap_channel channel); u32 (*mgr_gamma_size)(struct dispc_device *dispc, enum omap_channel channel); void (*mgr_set_gamma)(struct dispc_device *dispc, @@ -757,9 +646,6 @@ struct dispc_ops { struct dispc_device *dispc_get_dispc(struct dss_device *dss); const struct dispc_ops *dispc_get_ops(struct dss_device *dss); -bool omapdss_component_is_display(struct device_node *node); -bool omapdss_component_is_output(struct device_node *node); - bool omapdss_stack_is_ready(void); void omapdss_gather_components(struct device *dev); diff --git a/drivers/gpu/drm/omapdrm/dss/output.c b/drivers/gpu/drm/omapdrm/dss/output.c index 96b9d4cd505f..18505bc70f7e 100644 --- a/drivers/gpu/drm/omapdrm/dss/output.c +++ b/drivers/gpu/drm/omapdrm/dss/output.c @@ -21,238 +21,96 @@ #include <linux/slab.h> #include <linux/of.h> +#include "dss.h" #include "omapdss.h" -static LIST_HEAD(output_list); -static DEFINE_MUTEX(output_lock); - -int omapdss_output_set_device(struct omap_dss_device *out, - struct omap_dss_device *dssdev) +int omapdss_output_validate(struct omap_dss_device *out) { - int r; - - mutex_lock(&output_lock); - - if (out->dst) { - dev_err(out->dev, - "output already has device %s connected to it\n", - out->dst->name); - r = -EINVAL; - goto err; - } - - if (out->output_type != dssdev->type) { + if (out->next && out->output_type != out->next->type) { dev_err(out->dev, "output type and display type don't match\n"); - r = -EINVAL; - goto err; - } - - out->dst = dssdev; - dssdev->src = out; - - mutex_unlock(&output_lock); - - return 0; -err: - mutex_unlock(&output_lock); - - return r; -} -EXPORT_SYMBOL(omapdss_output_set_device); - -int omapdss_output_unset_device(struct omap_dss_device *out) -{ - int r; - - mutex_lock(&output_lock); - - if (!out->dst) { - dev_err(out->dev, - "output doesn't have a device connected to it\n"); - r = -EINVAL; - goto err; + return -EINVAL; } - if (out->dst->state != OMAP_DSS_DISPLAY_DISABLED) { - dev_err(out->dev, - "device %s is not disabled, cannot unset device\n", - out->dst->name); - r = -EINVAL; - goto err; - } - - out->dst->src = NULL; - out->dst = NULL; - - mutex_unlock(&output_lock); - - return 0; -err: - mutex_unlock(&output_lock); - - return r; -} -EXPORT_SYMBOL(omapdss_output_unset_device); - -int omapdss_register_output(struct omap_dss_device *out) -{ - list_add_tail(&out->list, &output_list); return 0; } -EXPORT_SYMBOL(omapdss_register_output); - -void omapdss_unregister_output(struct omap_dss_device *out) -{ - list_del(&out->list); -} -EXPORT_SYMBOL(omapdss_unregister_output); - -bool omapdss_component_is_output(struct device_node *node) -{ - struct omap_dss_device *out; - - list_for_each_entry(out, &output_list, list) { - if (out->dev->of_node == node) - return true; - } +EXPORT_SYMBOL(omapdss_output_validate); - return false; -} -EXPORT_SYMBOL(omapdss_component_is_output); - -struct omap_dss_device *omap_dss_get_output(enum omap_dss_output_id id) -{ - struct omap_dss_device *out; - - list_for_each_entry(out, &output_list, list) { - if (out->id == id) - return out; - } - - return NULL; -} -EXPORT_SYMBOL(omap_dss_get_output); - -struct omap_dss_device *omap_dss_find_output_by_port_node(struct device_node *port) -{ - struct device_node *src_node; - struct omap_dss_device *out; - u32 reg; - - src_node = dss_of_port_get_parent_device(port); - if (!src_node) - return NULL; - - reg = dss_of_port_get_port_number(port); - - list_for_each_entry(out, &output_list, list) { - if (out->dev->of_node == src_node && out->port_num == reg) { - of_node_put(src_node); - return omap_dss_get_device(out); - } - } - - of_node_put(src_node); - - return NULL; -} - -struct omap_dss_device *omapdss_find_output_from_display(struct omap_dss_device *dssdev) -{ - while (dssdev->src) - dssdev = dssdev->src; - - if (dssdev->id != 0) - return omap_dss_get_device(dssdev); - - return NULL; -} -EXPORT_SYMBOL(omapdss_find_output_from_display); - -static const struct dss_mgr_ops *dss_mgr_ops; -static struct omap_drm_private *dss_mgr_ops_priv; - -int dss_install_mgr_ops(const struct dss_mgr_ops *mgr_ops, +int dss_install_mgr_ops(struct dss_device *dss, + const struct dss_mgr_ops *mgr_ops, struct omap_drm_private *priv) { - if (dss_mgr_ops) + if (dss->mgr_ops) return -EBUSY; - dss_mgr_ops = mgr_ops; - dss_mgr_ops_priv = priv; + dss->mgr_ops = mgr_ops; + dss->mgr_ops_priv = priv; return 0; } EXPORT_SYMBOL(dss_install_mgr_ops); -void dss_uninstall_mgr_ops(void) +void dss_uninstall_mgr_ops(struct dss_device *dss) { - dss_mgr_ops = NULL; - dss_mgr_ops_priv = NULL; + dss->mgr_ops = NULL; + dss->mgr_ops_priv = NULL; } EXPORT_SYMBOL(dss_uninstall_mgr_ops); -int dss_mgr_connect(struct omap_dss_device *dssdev, struct omap_dss_device *dst) -{ - return dss_mgr_ops->connect(dss_mgr_ops_priv, - dssdev->dispc_channel, dst); -} -EXPORT_SYMBOL(dss_mgr_connect); - -void dss_mgr_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) -{ - dss_mgr_ops->disconnect(dss_mgr_ops_priv, dssdev->dispc_channel, dst); -} -EXPORT_SYMBOL(dss_mgr_disconnect); - void dss_mgr_set_timings(struct omap_dss_device *dssdev, const struct videomode *vm) { - dss_mgr_ops->set_timings(dss_mgr_ops_priv, dssdev->dispc_channel, vm); + dssdev->dss->mgr_ops->set_timings(dssdev->dss->mgr_ops_priv, + dssdev->dispc_channel, vm); } EXPORT_SYMBOL(dss_mgr_set_timings); void dss_mgr_set_lcd_config(struct omap_dss_device *dssdev, const struct dss_lcd_mgr_config *config) { - dss_mgr_ops->set_lcd_config(dss_mgr_ops_priv, - dssdev->dispc_channel, config); + dssdev->dss->mgr_ops->set_lcd_config(dssdev->dss->mgr_ops_priv, + dssdev->dispc_channel, config); } EXPORT_SYMBOL(dss_mgr_set_lcd_config); int dss_mgr_enable(struct omap_dss_device *dssdev) { - return dss_mgr_ops->enable(dss_mgr_ops_priv, dssdev->dispc_channel); + return dssdev->dss->mgr_ops->enable(dssdev->dss->mgr_ops_priv, + dssdev->dispc_channel); } EXPORT_SYMBOL(dss_mgr_enable); void dss_mgr_disable(struct omap_dss_device *dssdev) { - dss_mgr_ops->disable(dss_mgr_ops_priv, dssdev->dispc_channel); + dssdev->dss->mgr_ops->disable(dssdev->dss->mgr_ops_priv, + dssdev->dispc_channel); } EXPORT_SYMBOL(dss_mgr_disable); void dss_mgr_start_update(struct omap_dss_device *dssdev) { - dss_mgr_ops->start_update(dss_mgr_ops_priv, dssdev->dispc_channel); + dssdev->dss->mgr_ops->start_update(dssdev->dss->mgr_ops_priv, + dssdev->dispc_channel); } EXPORT_SYMBOL(dss_mgr_start_update); int dss_mgr_register_framedone_handler(struct omap_dss_device *dssdev, void (*handler)(void *), void *data) { - return dss_mgr_ops->register_framedone_handler(dss_mgr_ops_priv, - dssdev->dispc_channel, - handler, data); + struct dss_device *dss = dssdev->dss; + + return dss->mgr_ops->register_framedone_handler(dss->mgr_ops_priv, + dssdev->dispc_channel, + handler, data); } EXPORT_SYMBOL(dss_mgr_register_framedone_handler); void dss_mgr_unregister_framedone_handler(struct omap_dss_device *dssdev, void (*handler)(void *), void *data) { - dss_mgr_ops->unregister_framedone_handler(dss_mgr_ops_priv, - dssdev->dispc_channel, - handler, data); + struct dss_device *dss = dssdev->dss; + + dss->mgr_ops->unregister_framedone_handler(dss->mgr_ops_priv, + dssdev->dispc_channel, + handler, data); } EXPORT_SYMBOL(dss_mgr_unregister_framedone_handler); diff --git a/drivers/gpu/drm/omapdrm/dss/sdi.c b/drivers/gpu/drm/omapdrm/dss/sdi.c index 69c3b7a3d5c7..b2fe2387037a 100644 --- a/drivers/gpu/drm/omapdrm/dss/sdi.c +++ b/drivers/gpu/drm/omapdrm/dss/sdi.c @@ -132,10 +132,8 @@ static void sdi_config_lcd_manager(struct sdi_device *sdi) static int sdi_display_enable(struct omap_dss_device *dssdev) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); - struct videomode *vm = &sdi->vm; - unsigned long fck; struct dispc_clock_info dispc_cinfo; - unsigned long pck; + unsigned long fck; int r; if (!sdi->output.dispc_channel_connected) { @@ -151,27 +149,12 @@ static int sdi_display_enable(struct omap_dss_device *dssdev) if (r) goto err_get_dispc; - /* 15.5.9.1.2 */ - vm->flags |= DISPLAY_FLAGS_PIXDATA_POSEDGE | DISPLAY_FLAGS_SYNC_POSEDGE; - - r = sdi_calc_clock_div(sdi, vm->pixelclock, &fck, &dispc_cinfo); + r = sdi_calc_clock_div(sdi, sdi->vm.pixelclock, &fck, &dispc_cinfo); if (r) goto err_calc_clock_div; sdi->mgr_config.clock_info = dispc_cinfo; - pck = fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div; - - if (pck != vm->pixelclock) { - DSSWARN("Could not find exact pixel clock. Requested %lu Hz, got %lu Hz\n", - vm->pixelclock, pck); - - vm->pixelclock = pck; - } - - - dss_mgr_set_timings(&sdi->output, vm); - r = dss_set_fck_rate(sdi->dss, fck); if (r) goto err_set_dss_clock_div; @@ -230,96 +213,63 @@ static void sdi_display_disable(struct omap_dss_device *dssdev) } static void sdi_set_timings(struct omap_dss_device *dssdev, - struct videomode *vm) + const struct videomode *vm) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); sdi->vm = *vm; } -static void sdi_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct sdi_device *sdi = dssdev_to_sdi(dssdev); - - *vm = sdi->vm; -} - static int sdi_check_timings(struct omap_dss_device *dssdev, struct videomode *vm) { struct sdi_device *sdi = dssdev_to_sdi(dssdev); - enum omap_channel channel = dssdev->dispc_channel; - - if (!dispc_mgr_timings_ok(sdi->dss->dispc, channel, vm)) - return -EINVAL; + struct dispc_clock_info dispc_cinfo; + unsigned long fck; + unsigned long pck; + int r; if (vm->pixelclock == 0) return -EINVAL; - return 0; -} + r = sdi_calc_clock_div(sdi, vm->pixelclock, &fck, &dispc_cinfo); + if (r) + return r; -static int sdi_init_regulator(struct sdi_device *sdi) -{ - struct regulator *vdds_sdi; + pck = fck / dispc_cinfo.lck_div / dispc_cinfo.pck_div; - if (sdi->vdds_sdi_reg) - return 0; + if (pck != vm->pixelclock) { + DSSWARN("Pixel clock adjusted from %lu Hz to %lu Hz\n", + vm->pixelclock, pck); - vdds_sdi = devm_regulator_get(&sdi->pdev->dev, "vdds_sdi"); - if (IS_ERR(vdds_sdi)) { - if (PTR_ERR(vdds_sdi) != -EPROBE_DEFER) - DSSERR("can't get VDDS_SDI regulator\n"); - return PTR_ERR(vdds_sdi); + vm->pixelclock = pck; } - sdi->vdds_sdi_reg = vdds_sdi; - return 0; } -static int sdi_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int sdi_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct sdi_device *sdi = dssdev_to_sdi(dssdev); int r; - r = sdi_init_regulator(sdi); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = dss_mgr_connect(&sdi->output, dssdev); - if (r) - return r; - - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dst->name); - dss_mgr_disconnect(&sdi->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void sdi_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void sdi_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct sdi_device *sdi = dssdev_to_sdi(dssdev); + dst->dispc_channel_connected = false; - WARN_ON(dst != dssdev->dst); - - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); - - dss_mgr_disconnect(&sdi->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } -static const struct omapdss_sdi_ops sdi_ops = { +static const struct omap_dss_device_ops sdi_ops = { .connect = sdi_connect, .disconnect = sdi_disconnect, @@ -328,12 +278,12 @@ static const struct omapdss_sdi_ops sdi_ops = { .check_timings = sdi_check_timings, .set_timings = sdi_set_timings, - .get_timings = sdi_get_timings, }; -static void sdi_init_output(struct sdi_device *sdi) +static int sdi_init_output(struct sdi_device *sdi) { struct omap_dss_device *out = &sdi->output; + int r; out->dev = &sdi->pdev->dev; out->id = OMAP_DSS_OUTPUT_SDI; @@ -341,16 +291,36 @@ static void sdi_init_output(struct sdi_device *sdi) out->name = "sdi.0"; out->dispc_channel = OMAP_DSS_CHANNEL_LCD; /* We have SDI only on OMAP3, where it's on port 1 */ - out->port_num = 1; - out->ops.sdi = &sdi_ops; + out->of_ports = BIT(1); + out->ops = &sdi_ops; out->owner = THIS_MODULE; + out->bus_flags = DRM_BUS_FLAG_PIXDATA_POSEDGE /* 15.5.9.1.2 */ + | DRM_BUS_FLAG_SYNC_POSEDGE; + + out->next = omapdss_of_find_connected_device(out->dev->of_node, 1); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } - omapdss_register_output(out); + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; } static void sdi_uninit_output(struct sdi_device *sdi) { - omapdss_unregister_output(&sdi->output); + if (sdi->output.next) + omapdss_device_put(sdi->output.next); + omapdss_device_unregister(&sdi->output); } int sdi_init_port(struct dss_device *dss, struct platform_device *pdev, @@ -372,25 +342,32 @@ int sdi_init_port(struct dss_device *dss, struct platform_device *pdev, } r = of_property_read_u32(ep, "datapairs", &datapairs); + of_node_put(ep); if (r) { DSSERR("failed to parse datapairs\n"); - goto err_datapairs; + goto err_free; } sdi->datapairs = datapairs; sdi->dss = dss; - of_node_put(ep); - sdi->pdev = pdev; port->data = sdi; - sdi_init_output(sdi); + sdi->vdds_sdi_reg = devm_regulator_get(&pdev->dev, "vdds_sdi"); + if (IS_ERR(sdi->vdds_sdi_reg)) { + r = PTR_ERR(sdi->vdds_sdi_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDS_SDI regulator\n"); + goto err_free; + } + + r = sdi_init_output(sdi); + if (r) + goto err_free; return 0; -err_datapairs: - of_node_put(ep); err_free: kfree(sdi); diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c index ac01907dcc34..ff0b18c8e4ac 100644 --- a/drivers/gpu/drm/omapdrm/dss/venc.c +++ b/drivers/gpu/drm/omapdrm/dss/venc.c @@ -452,7 +452,7 @@ static void venc_runtime_put(struct venc_device *venc) WARN_ON(r < 0 && r != -ENOSYS); } -static const struct venc_config *venc_timings_to_config(struct videomode *vm) +static const struct venc_config *venc_timings_to_config(const struct videomode *vm) { switch (venc_get_videomode(vm)) { default: @@ -491,8 +491,6 @@ static int venc_power_on(struct venc_device *venc) venc_write_reg(venc, VENC_OUTPUT_CONTROL, l); - dss_mgr_set_timings(&venc->output, &venc->vm); - r = regulator_enable(venc->vdda_dac_reg); if (r) goto err1; @@ -568,32 +566,30 @@ static void venc_display_disable(struct omap_dss_device *dssdev) mutex_unlock(&venc->venc_lock); } -static void venc_set_timings(struct omap_dss_device *dssdev, +static void venc_get_timings(struct omap_dss_device *dssdev, struct videomode *vm) { struct venc_device *venc = dssdev_to_venc(dssdev); - struct videomode actual_vm; + + mutex_lock(&venc->venc_lock); + *vm = venc->vm; + mutex_unlock(&venc->venc_lock); +} + +static void venc_set_timings(struct omap_dss_device *dssdev, + const struct videomode *vm) +{ + struct venc_device *venc = dssdev_to_venc(dssdev); DSSDBG("venc_set_timings\n"); mutex_lock(&venc->venc_lock); - switch (venc_get_videomode(vm)) { - default: - WARN_ON_ONCE(1); - case VENC_MODE_PAL: - actual_vm = omap_dss_pal_vm; - break; - case VENC_MODE_NTSC: - actual_vm = omap_dss_ntsc_vm; - break; - } - /* Reset WSS data when the TV standard changes. */ - if (memcmp(&venc->vm, &actual_vm, sizeof(actual_vm))) + if (memcmp(&venc->vm, vm, sizeof(*vm))) venc->wss_data = 0; - venc->vm = actual_vm; + venc->vm = *vm; dispc_set_tv_pclk(venc->dss->dispc, 13500000); @@ -607,80 +603,16 @@ static int venc_check_timings(struct omap_dss_device *dssdev, switch (venc_get_videomode(vm)) { case VENC_MODE_PAL: - case VENC_MODE_NTSC: + *vm = omap_dss_pal_vm; return 0; - default: - return -EINVAL; - } -} - -static void venc_get_timings(struct omap_dss_device *dssdev, - struct videomode *vm) -{ - struct venc_device *venc = dssdev_to_venc(dssdev); - - mutex_lock(&venc->venc_lock); - - *vm = venc->vm; - - mutex_unlock(&venc->venc_lock); -} - -static u32 venc_get_wss(struct omap_dss_device *dssdev) -{ - struct venc_device *venc = dssdev_to_venc(dssdev); - - /* Invert due to VENC_L21_WC_CTL:INV=1 */ - return (venc->wss_data >> 8) ^ 0xfffff; -} - -static int venc_set_wss(struct omap_dss_device *dssdev, u32 wss) -{ - struct venc_device *venc = dssdev_to_venc(dssdev); - const struct venc_config *config; - int r; - DSSDBG("venc_set_wss\n"); - - mutex_lock(&venc->venc_lock); - - config = venc_timings_to_config(&venc->vm); - - /* Invert due to VENC_L21_WC_CTL:INV=1 */ - venc->wss_data = (wss ^ 0xfffff) << 8; - - r = venc_runtime_get(venc); - if (r) - goto err; - - venc_write_reg(venc, VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data | - venc->wss_data); - - venc_runtime_put(venc); - -err: - mutex_unlock(&venc->venc_lock); - - return r; -} - -static int venc_init_regulator(struct venc_device *venc) -{ - struct regulator *vdda_dac; - - if (venc->vdda_dac_reg != NULL) + case VENC_MODE_NTSC: + *vm = omap_dss_ntsc_vm; return 0; - vdda_dac = devm_regulator_get(&venc->pdev->dev, "vdda"); - if (IS_ERR(vdda_dac)) { - if (PTR_ERR(vdda_dac) != -EPROBE_DEFER) - DSSERR("can't get VDDA_DAC regulator\n"); - return PTR_ERR(vdda_dac); + default: + return -EINVAL; } - - venc->vdda_dac_reg = vdda_dac; - - return 0; } static int venc_dump_regs(struct seq_file *s, void *p) @@ -760,47 +692,28 @@ static int venc_get_clocks(struct venc_device *venc) return 0; } -static int venc_connect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static int venc_connect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct venc_device *venc = dssdev_to_venc(dssdev); int r; - r = venc_init_regulator(venc); - if (r) - return r; - - r = dss_mgr_connect(&venc->output, dssdev); + r = omapdss_device_connect(dst->dss, dst, dst->next); if (r) return r; - r = omapdss_output_set_device(dssdev, dst); - if (r) { - DSSERR("failed to connect output to new device: %s\n", - dst->name); - dss_mgr_disconnect(&venc->output, dssdev); - return r; - } - + dst->dispc_channel_connected = true; return 0; } -static void venc_disconnect(struct omap_dss_device *dssdev, - struct omap_dss_device *dst) +static void venc_disconnect(struct omap_dss_device *src, + struct omap_dss_device *dst) { - struct venc_device *venc = dssdev_to_venc(dssdev); - - WARN_ON(dst != dssdev->dst); - - if (dst != dssdev->dst) - return; - - omapdss_output_unset_device(dssdev); + dst->dispc_channel_connected = false; - dss_mgr_disconnect(&venc->output, dssdev); + omapdss_device_disconnect(dst, dst->next); } -static const struct omapdss_atv_ops venc_ops = { +static const struct omap_dss_device_ops venc_ops = { .connect = venc_connect, .disconnect = venc_disconnect, @@ -808,31 +721,92 @@ static const struct omapdss_atv_ops venc_ops = { .disable = venc_display_disable, .check_timings = venc_check_timings, - .set_timings = venc_set_timings, .get_timings = venc_get_timings, + .set_timings = venc_set_timings, +}; + +/* ----------------------------------------------------------------------------- + * Component Bind & Unbind + */ - .set_wss = venc_set_wss, - .get_wss = venc_get_wss, +static int venc_bind(struct device *dev, struct device *master, void *data) +{ + struct dss_device *dss = dss_get_device(master); + struct venc_device *venc = dev_get_drvdata(dev); + u8 rev_id; + int r; + + venc->dss = dss; + + r = venc_runtime_get(venc); + if (r) + return r; + + rev_id = (u8)(venc_read_reg(venc, VENC_REV_ID) & 0xff); + dev_dbg(dev, "OMAP VENC rev %d\n", rev_id); + + venc_runtime_put(venc); + + venc->debugfs = dss_debugfs_create_file(dss, "venc", venc_dump_regs, + venc); + + return 0; +} + +static void venc_unbind(struct device *dev, struct device *master, void *data) +{ + struct venc_device *venc = dev_get_drvdata(dev); + + dss_debugfs_remove_file(venc->debugfs); +} + +static const struct component_ops venc_component_ops = { + .bind = venc_bind, + .unbind = venc_unbind, }; -static void venc_init_output(struct venc_device *venc) +/* ----------------------------------------------------------------------------- + * Probe & Remove, Suspend & Resume + */ + +static int venc_init_output(struct venc_device *venc) { struct omap_dss_device *out = &venc->output; + int r; out->dev = &venc->pdev->dev; out->id = OMAP_DSS_OUTPUT_VENC; out->output_type = OMAP_DISPLAY_TYPE_VENC; out->name = "venc.0"; out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT; - out->ops.atv = &venc_ops; + out->ops = &venc_ops; out->owner = THIS_MODULE; + out->of_ports = BIT(0); + + out->next = omapdss_of_find_connected_device(out->dev->of_node, 0); + if (IS_ERR(out->next)) { + if (PTR_ERR(out->next) != -EPROBE_DEFER) + dev_err(out->dev, "failed to find video sink\n"); + return PTR_ERR(out->next); + } - omapdss_register_output(out); + r = omapdss_output_validate(out); + if (r) { + omapdss_device_put(out->next); + out->next = NULL; + return r; + } + + omapdss_device_register(out); + + return 0; } static void venc_uninit_output(struct venc_device *venc) { - omapdss_unregister_output(&venc->output); + if (venc->output.next) + omapdss_device_put(venc->output.next); + omapdss_device_unregister(&venc->output); } static int venc_probe_of(struct venc_device *venc) @@ -878,19 +852,15 @@ err: return r; } -/* VENC HW IP initialisation */ static const struct soc_device_attribute venc_soc_devices[] = { { .machine = "OMAP3[45]*" }, { .machine = "AM35*" }, { /* sentinel */ } }; -static int venc_bind(struct device *dev, struct device *master, void *data) +static int venc_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); - struct dss_device *dss = dss_get_device(master); struct venc_device *venc; - u8 rev_id; struct resource *venc_mem; int r; @@ -899,8 +869,8 @@ static int venc_bind(struct device *dev, struct device *master, void *data) return -ENOMEM; venc->pdev = pdev; - venc->dss = dss; - dev_set_drvdata(dev, venc); + + platform_set_drvdata(pdev, venc); /* The OMAP34xx, OMAP35xx and AM35xx VENC require the TV DAC clock. */ if (soc_device_match(venc_soc_devices)) @@ -909,6 +879,7 @@ static int venc_bind(struct device *dev, struct device *master, void *data) mutex_init(&venc->venc_lock); venc->wss_data = 0; + venc->vm = omap_dss_pal_vm; venc_mem = platform_get_resource(venc->pdev, IORESOURCE_MEM, 0); venc->base = devm_ioremap_resource(&pdev->dev, venc_mem); @@ -917,68 +888,54 @@ static int venc_bind(struct device *dev, struct device *master, void *data) goto err_free; } + venc->vdda_dac_reg = devm_regulator_get(&pdev->dev, "vdda"); + if (IS_ERR(venc->vdda_dac_reg)) { + r = PTR_ERR(venc->vdda_dac_reg); + if (r != -EPROBE_DEFER) + DSSERR("can't get VDDA_DAC regulator\n"); + goto err_free; + } + r = venc_get_clocks(venc); if (r) goto err_free; - pm_runtime_enable(&pdev->dev); - - r = venc_runtime_get(venc); + r = venc_probe_of(venc); if (r) - goto err_runtime_get; - - rev_id = (u8)(venc_read_reg(venc, VENC_REV_ID) & 0xff); - dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id); - - venc_runtime_put(venc); + goto err_free; - r = venc_probe_of(venc); - if (r) { - DSSERR("Invalid DT data\n"); - goto err_probe_of; - } + pm_runtime_enable(&pdev->dev); - venc->debugfs = dss_debugfs_create_file(dss, "venc", venc_dump_regs, - venc); + r = venc_init_output(venc); + if (r) + goto err_pm_disable; - venc_init_output(venc); + r = component_add(&pdev->dev, &venc_component_ops); + if (r) + goto err_uninit_output; return 0; -err_probe_of: -err_runtime_get: +err_uninit_output: + venc_uninit_output(venc); +err_pm_disable: pm_runtime_disable(&pdev->dev); err_free: kfree(venc); return r; } -static void venc_unbind(struct device *dev, struct device *master, void *data) +static int venc_remove(struct platform_device *pdev) { - struct venc_device *venc = dev_get_drvdata(dev); + struct venc_device *venc = platform_get_drvdata(pdev); - dss_debugfs_remove_file(venc->debugfs); + component_del(&pdev->dev, &venc_component_ops); venc_uninit_output(venc); - pm_runtime_disable(dev); + pm_runtime_disable(&pdev->dev); kfree(venc); -} - -static const struct component_ops venc_component_ops = { - .bind = venc_bind, - .unbind = venc_unbind, -}; - -static int venc_probe(struct platform_device *pdev) -{ - return component_add(&pdev->dev, &venc_component_ops); -} - -static int venc_remove(struct platform_device *pdev) -{ - component_del(&pdev->dev, &venc_component_ops); return 0; } |