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git://projects.qi-hardware.com/openwrt-xburst.git
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fc54b9bf15
(stable-branch of Openmoko) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73
163 lines
5.7 KiB
Diff
163 lines
5.7 KiB
Diff
From b73e3db4efa3409bd3c559d848e71e1519960d07 Mon Sep 17 00:00:00 2001
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From: Andy Green <andy@openmoko.com>
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Date: Wed, 2 Jul 2008 22:39:48 +0100
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Subject: [PATCH] fix-glamo-mci-resume-dependency-on-pcf50633.patch
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Glamo MCI has a resume order dependncy on pcf50633, it has to be able to
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power the SD slot via it.
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Signed-off-by: Andy Green <andy@openmoko.com>
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---
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arch/arm/mach-s3c2440/mach-gta02.c | 25 +++++++++++++++++++++++++
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drivers/mfd/glamo/glamo-core.c | 8 ++++++++
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drivers/mfd/glamo/glamo-core.h | 3 +++
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drivers/mfd/glamo/glamo-mci.c | 11 ++++++++++-
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include/linux/glamofb.h | 2 ++
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5 files changed, 48 insertions(+), 1 deletions(-)
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diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
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index 69a952a..64d275d 100644
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--- a/arch/arm/mach-s3c2440/mach-gta02.c
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+++ b/arch/arm/mach-s3c2440/mach-gta02.c
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@@ -92,6 +92,8 @@ static spinlock_t motion_irq_lock;
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struct resume_dependency resume_dep_jbt_pcf;
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/* the dependency of jbt / LCM on glamo resume */
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struct resume_dependency resume_dep_jbt_glamo;
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+/* the dependency of Glamo MCI on pcf50633 resume (has to power SD slot) */
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+struct resume_dependency resume_dep_glamo_mci_pcf;
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/* define FIQ IPC struct */
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@@ -1317,6 +1319,26 @@ gta02_glamo_mmc_set_power(unsigned char power_mode, unsigned short vdd)
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}
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}
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+
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+static int gta02_glamo_mci_all_dependencies_resumed(struct platform_device *dev)
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+{
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+ return resume_dep_glamo_mci_pcf.called_flag;
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+}
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+
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+/* register jbt resume action to be dependent on pcf50633 and glamo resume */
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+
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+static void gta02_glamo_mci_suspending(struct platform_device *dev)
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+{
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+ void glamo_mci_resume(void *dev); /* little white lies about types */
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+
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+ resume_dep_glamo_mci_pcf.callback = glamo_mci_resume;
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+ resume_dep_glamo_mci_pcf.context = (void *)dev;
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+ pcf50633_register_resume_dependency(pcf50633_global,
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+ &resume_dep_glamo_mci_pcf);
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+}
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+
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+
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+
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/* Smedia Glamo 3362 */
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static struct glamofb_platform_data gta02_glamo_pdata = {
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@@ -1352,6 +1374,9 @@ static struct glamofb_platform_data gta02_glamo_pdata = {
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/* glamo MMC function platform data */
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.glamo_set_mci_power = gta02_glamo_mmc_set_power,
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.glamo_irq_is_wired = glamo_irq_is_wired,
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+ .mci_suspending = gta02_glamo_mci_suspending,
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+ .mci_all_dependencies_resumed =
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+ gta02_glamo_mci_all_dependencies_resumed,
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};
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static struct resource gta02_glamo_resources[] = {
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diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c
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index 4925e62..608721e 100644
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--- a/drivers/mfd/glamo/glamo-core.c
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+++ b/drivers/mfd/glamo/glamo-core.c
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@@ -270,6 +270,8 @@ struct glamo_mci_pdata glamo_mci_def_pdata = {
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.glamo_set_mci_power = NULL, /* filled in from MFD platform data */
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.ocr_avail = MMC_VDD_32_33,
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.glamo_irq_is_wired = NULL, /* filled in from MFD platform data */
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+ .mci_suspending = NULL, /* filled in from MFD platform data */
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+ .mci_all_dependencies_resumed = NULL, /* filled in from MFD platform data */
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};
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EXPORT_SYMBOL_GPL(glamo_mci_def_pdata);
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@@ -1111,6 +1113,10 @@ static int __init glamo_probe(struct platform_device *pdev)
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glamo->pdata->glamo_set_mci_power;
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glamo_mci_def_pdata.glamo_irq_is_wired =
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glamo->pdata->glamo_irq_is_wired;
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+ glamo_mci_def_pdata.mci_suspending =
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+ glamo->pdata->mci_suspending;
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+ glamo_mci_def_pdata.mci_all_dependencies_resumed =
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+ glamo->pdata->mci_all_dependencies_resumed;
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glamo_2d_dev.dev.parent = &pdev->dev;
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mangle_mem_resources(glamo_2d_dev.resource,
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@@ -1180,6 +1186,8 @@ static int __init glamo_probe(struct platform_device *pdev)
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glamo_pll_rate(glamo, GLAMO_PLL1),
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glamo_pll_rate(glamo, GLAMO_PLL2));
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+ glamo_lcm_reset(1);
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+
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for (irq = IRQ_GLAMO(0); irq <= IRQ_GLAMO(8); irq++) {
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set_irq_chip(irq, &glamo_irq_chip);
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set_irq_handler(irq, handle_level_irq);
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diff --git a/drivers/mfd/glamo/glamo-core.h b/drivers/mfd/glamo/glamo-core.h
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index 1fee059..b1531b3 100644
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--- a/drivers/mfd/glamo/glamo-core.h
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+++ b/drivers/mfd/glamo/glamo-core.h
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@@ -71,6 +71,9 @@ struct glamo_mci_pdata {
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void (*glamo_set_mci_power)(unsigned char power_mode,
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unsigned short vdd);
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int (*glamo_irq_is_wired)(void);
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+ void (*mci_suspending)(struct platform_device *dev);
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+ int (*mci_all_dependencies_resumed)(struct platform_device *dev);
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+
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};
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diff --git a/drivers/mfd/glamo/glamo-mci.c b/drivers/mfd/glamo/glamo-mci.c
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index 7869325..f264a6c 100644
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--- a/drivers/mfd/glamo/glamo-mci.c
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+++ b/drivers/mfd/glamo/glamo-mci.c
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@@ -817,18 +817,27 @@ static int glamo_mci_suspend(struct platform_device *dev, pm_message_t state)
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struct glamo_mci_host *host = mmc_priv(mmc);
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host->suspending++;
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+ if (host->pdata->mci_all_dependencies_resumed)
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+ (host->pdata->mci_suspending)(dev);
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+
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return mmc_suspend_host(mmc, state);
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}
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-static int glamo_mci_resume(struct platform_device *dev)
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+int glamo_mci_resume(struct platform_device *dev)
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{
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struct mmc_host *mmc = platform_get_drvdata(dev);
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struct glamo_mci_host *host = mmc_priv(mmc);
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+ if (host->pdata->mci_all_dependencies_resumed)
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+ if (!(host->pdata->mci_all_dependencies_resumed)(dev))
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+ return 0;
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+
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host->suspending--;
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return mmc_resume_host(mmc);
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}
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+EXPORT_SYMBOL_GPL(glamo_mci_resume);
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+
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#else /* CONFIG_PM */
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#define glamo_mci_suspend NULL
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diff --git a/include/linux/glamofb.h b/include/linux/glamofb.h
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index bb4ed0a..bb1a398 100644
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--- a/include/linux/glamofb.h
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+++ b/include/linux/glamofb.h
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@@ -32,6 +32,8 @@ struct glamofb_platform_data {
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void (*glamo_set_mci_power)(unsigned char power_mode,
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unsigned short vdd);
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int (*glamo_irq_is_wired)(void);
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+ void (*mci_suspending)(struct platform_device *dev);
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+ int (*mci_all_dependencies_resumed)(struct platform_device *dev);
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};
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int glamofb_cmd_mode(struct glamofb_handle *gfb, int on);
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--
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1.5.6.5
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