[PATCH v2 10/57] fbdev: sh_mipi_dsi: Implement sh_mobile_lcdc_entity interface
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: 2012-03-01 15:07:23
Also in:
linux-sh
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- drivers/video/sh_mipi_dsi.c | 66 +++++++++++++++++++++++++++++++++---------- 1 files changed, 51 insertions(+), 15 deletions(-)
diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c
index 05151b8..58744fe 100644
--- a/drivers/video/sh_mipi_dsi.c
+++ b/drivers/video/sh_mipi_dsi.c@@ -24,6 +24,8 @@ #include <video/sh_mipi_dsi.h> #include <video/sh_mobile_lcdc.h> +#include "sh_mobile_lcdcfb.h" + #define SYSCTRL 0x0000 #define SYSCONF 0x0004 #define TIMSET 0x0008
@@ -50,6 +52,8 @@ #define MAX_SH_MIPI_DSI 2 struct sh_mipi { + struct sh_mobile_lcdc_entity entity; + void __iomem *base; void __iomem *linkbase; struct clk *dsit_clk;
@@ -60,6 +64,8 @@ struct sh_mipi { void (*next_display_off)(void *board_data); }; +#define to_sh_mipi(e) container_of(e, struct sh_mipi, entity) + static struct sh_mipi *mipi_dsi[MAX_SH_MIPI_DSI]; /* Protect the above array */
@@ -120,7 +126,7 @@ static void sh_mipi_dsi_enable(struct sh_mipi *mipi, bool enable) static void sh_mipi_shutdown(struct platform_device *pdev) { - struct sh_mipi *mipi = platform_get_drvdata(pdev); + struct sh_mipi *mipi = to_sh_mipi(platform_get_drvdata(pdev)); sh_mipi_dsi_enable(mipi, false); }
@@ -392,9 +398,10 @@ static int __init sh_mipi_setup(struct sh_mipi *mipi, return 0; } -static void mipi_display_on(void *arg, struct fb_info *info) +static int __mipi_display_on(struct sh_mobile_lcdc_entity *entity, + struct fb_info *info) { - struct sh_mipi *mipi = arg; + struct sh_mipi *mipi = to_sh_mipi(entity); struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data; int ret;
@@ -410,24 +417,34 @@ static void mipi_display_on(void *arg, struct fb_info *info) sh_mipi_dsi_enable(mipi, true); - if (mipi->next_display_on) - mipi->next_display_on(mipi->next_board_data, info); - - return; + return 0; mipi_display_on_fail1: pm_runtime_put_sync(&mipi->pdev->dev); mipi_display_on_fail2: pdata->set_dot_clock(mipi->pdev, mipi->base, 0); + + return ret; } -static void mipi_display_off(void *arg) +static void mipi_display_on(void *arg, struct fb_info *info) { - struct sh_mipi *mipi = arg; - struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data; + struct sh_mobile_lcdc_entity *entity = arg; + struct sh_mipi *mipi = to_sh_mipi(entity); + int ret; - if (mipi->next_display_off) - mipi->next_display_off(mipi->next_board_data); + ret = __mipi_display_on(entity, info); + if (ret < 0) + return; + + if (mipi->next_display_on) + mipi->next_display_on(mipi->next_board_data, info); +} + +static void __mipi_display_off(struct sh_mobile_lcdc_entity *entity) +{ + struct sh_mipi *mipi = to_sh_mipi(entity); + struct sh_mipi_dsi_info *pdata = mipi->pdev->dev.platform_data; sh_mipi_dsi_enable(mipi, false);
@@ -436,6 +453,22 @@ static void mipi_display_off(void *arg) pm_runtime_put_sync(&mipi->pdev->dev); } +static void mipi_display_off(void *arg) +{ + struct sh_mobile_lcdc_entity *entity = arg; + struct sh_mipi *mipi = to_sh_mipi(entity); + + if (mipi->next_display_off) + mipi->next_display_off(mipi->next_board_data); + + __mipi_display_off(entity); +} + +static const struct sh_mobile_lcdc_entity_ops mipi_ops = { + .display_on = __mipi_display_on, + .display_off = __mipi_display_off, +}; + static int __init sh_mipi_probe(struct platform_device *pdev) { struct sh_mipi *mipi;
@@ -467,6 +500,9 @@ static int __init sh_mipi_probe(struct platform_device *pdev) goto ealloc; } + mipi->entity.owner = THIS_MODULE; + mipi->entity.ops = &mipi_ops; + if (!request_mem_region(res->start, resource_size(res), pdev->name)) { dev_err(&pdev->dev, "MIPI register region already claimed\n"); ret = -EBUSY;
@@ -521,7 +557,7 @@ static int __init sh_mipi_probe(struct platform_device *pdev) pm_runtime_resume(&pdev->dev); mutex_unlock(&array_lock); - platform_set_drvdata(pdev, mipi); + platform_set_drvdata(pdev, &mipi->entity); /* Save original LCDC callbacks */ mipi->next_board_data = pdata->lcd_chan->board_cfg.board_data;
@@ -529,7 +565,7 @@ static int __init sh_mipi_probe(struct platform_device *pdev) mipi->next_display_off = pdata->lcd_chan->board_cfg.display_off; /* Set up LCDC callbacks */ - pdata->lcd_chan->board_cfg.board_data = mipi; + pdata->lcd_chan->board_cfg.board_data = &mipi->entity; pdata->lcd_chan->board_cfg.display_on = mipi_display_on; pdata->lcd_chan->board_cfg.display_off = mipi_display_off; pdata->lcd_chan->board_cfg.owner = THIS_MODULE;
@@ -561,7 +597,7 @@ static int __exit sh_mipi_remove(struct platform_device *pdev) struct sh_mipi_dsi_info *pdata = pdev->dev.platform_data; struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); struct resource *res2 = platform_get_resource(pdev, IORESOURCE_MEM, 1); - struct sh_mipi *mipi = platform_get_drvdata(pdev); + struct sh_mipi *mipi = to_sh_mipi(platform_get_drvdata(pdev)); int i, ret; mutex_lock(&array_lock);
--
1.7.3.4