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Commit 9fc85a71 authored by Tony Lindgren's avatar Tony Lindgren
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Merge branch 'omap-for-v5.6/sdma' into omap-for-v5.6/ti-sysc-drop-pdata

parents 6e678a76 37b156ec
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Showing with 389 additions and 1160 deletions
arch/arm/boot/dts/dra7-l4.dtsi
View file @ 9fc85a71
......@@ -186,7 +186,6 @@ cm_core_clockdomains: clockdomains {
target-module@56000 { /* 0x4a056000, ap 9 02.0 */
compatible = "ti,sysc-omap2", "ti,sysc";
ti,hwmods = "dma_system";
reg = <0x56000 0x4>,
<0x5602c 0x4>,
<0x56028 0x4>;
......@@ -212,7 +211,7 @@ SYSC_OMAP2_SOFTRESET |
ranges = <0x0 0x56000 0x1000>;
sdma: dma-controller@0 {
compatible = "ti,omap4430-sdma";
compatible = "ti,omap4430-sdma", "ti,omap-sdma";
reg = <0x0 0x1000>;
interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
......
arch/arm/boot/dts/omap2.dtsi
View file @ 9fc85a71
......@@ -8,6 +8,7 @@
* kind, whether express or implied.
*/
#include <dt-bindings/bus/ti-sysc.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pinctrl/omap.h>
......@@ -79,17 +80,37 @@ intc: interrupt-controller@1 {
reg = <0x480FE000 0x1000>;
};
sdma: dma-controller@48056000 {
compatible = "ti,omap2430-sdma", "ti,omap2420-sdma";
ti,hwmods = "dma";
reg = <0x48056000 0x1000>;
interrupts = <12>,
<13>,
<14>,
<15>;
#dma-cells = <1>;
dma-channels = <32>;
dma-requests = <64>;
target-module@48056000 {
compatible = "ti,sysc-omap2", "ti,sysc";
reg = <0x48056000 0x4>,
<0x4805602c 0x4>,
<0x48056028 0x4>;
reg-names = "rev", "sysc", "syss";
ti,sysc-mask = <(SYSC_OMAP2_CLOCKACTIVITY |
SYSC_OMAP2_EMUFREE |
SYSC_OMAP2_SOFTRESET |
SYSC_OMAP2_AUTOIDLE)>;
ti,sysc-midle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>;
ti,syss-mask = <1>;
clocks = <&core_l3_ck>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x48056000 0x1000>;
sdma: dma-controller@0 {
compatible = "ti,omap2420-sdma", "ti,omap-sdma";
reg = <0 0x1000>;
interrupts = <12>,
<13>,
<14>,
<15>;
#dma-cells = <1>;
dma-channels = <32>;
dma-requests = <64>;
};
};
i2c1: i2c@48070000 {
......
arch/arm/boot/dts/omap2430.dtsi
View file @ 9fc85a71
......@@ -309,6 +309,10 @@ wd_timer2: wdt@49016000 {
};
};
&sdma {
compatible = "ti,omap2430-sdma", "ti,omap-sdma";
};
&i2c1 {
compatible = "ti,omap2430-i2c";
};
......
arch/arm/boot/dts/omap3-n900.dts
View file @ 9fc85a71
......@@ -482,6 +482,11 @@ &vintdig {
regulator-always-on;
};
/* First two dma channels are reserved on secure omap3 */
&sdma {
dma-channel-mask = <0xfffffffc>;
};
&twl {
twl_audio: audio {
compatible = "ti,twl4030-audio";
......
arch/arm/boot/dts/omap3.dtsi
View file @ 9fc85a71
......@@ -206,17 +206,41 @@ intc: interrupt-controller@48200000 {
reg = <0x48200000 0x1000>;
};
sdma: dma-controller@48056000 {
compatible = "ti,omap3630-sdma", "ti,omap3430-sdma";
reg = <0x48056000 0x1000>;
interrupts = <12>,
<13>,
<14>,
<15>;
#dma-cells = <1>;
dma-channels = <32>;
dma-requests = <96>;
ti,hwmods = "dma";
target-module@48056000 {
compatible = "ti,sysc-omap2", "ti,sysc";
reg = <0x48056000 0x4>,
<0x4805602c 0x4>,
<0x48056028 0x4>;
reg-names = "rev", "sysc", "syss";
ti,sysc-mask = <(SYSC_OMAP2_CLOCKACTIVITY |
SYSC_OMAP2_EMUFREE |
SYSC_OMAP2_SOFTRESET |
SYSC_OMAP2_AUTOIDLE)>;
ti,sysc-midle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>;
ti,sysc-sidle = <SYSC_IDLE_FORCE>,
<SYSC_IDLE_NO>,
<SYSC_IDLE_SMART>;
ti,syss-mask = <1>;
/* Domains (V, P, C): core, core_pwrdm, core_l3_clkdm */
clocks = <&core_l3_ick>;
clock-names = "ick";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x48056000 0x1000>;
sdma: dma-controller@0 {
compatible = "ti,omap3430-sdma", "ti,omap-sdma";
reg = <0x0 0x1000>;
interrupts = <12>,
<13>,
<14>,
<15>;
#dma-cells = <1>;
dma-channels = <32>;
dma-requests = <96>;
};
};
gpio1: gpio@48310000 {
......
arch/arm/boot/dts/omap36xx.dtsi
View file @ 9fc85a71
......@@ -223,6 +223,10 @@ thermal_zones: thermal-zones {
};
};
&sdma {
compatible = "ti,omap3630-sdma", "ti,omap-sdma";
};
/* OMAP3630 needs dss_96m_fck for VENC */
&venc {
clocks = <&dss_tv_fck>, <&dss_96m_fck>;
......
arch/arm/boot/dts/omap4-l4.dtsi
View file @ 9fc85a71
......@@ -136,7 +136,6 @@ cm2_clockdomains: clockdomains {
target-module@56000 { /* 0x4a056000, ap 7 0a.0 */
compatible = "ti,sysc-omap2", "ti,sysc";
ti,hwmods = "dma_system";
reg = <0x56000 0x4>,
<0x5602c 0x4>,
<0x56028 0x4>;
......@@ -160,7 +159,7 @@ SYSC_OMAP2_SOFTRESET |
ranges = <0x0 0x56000 0x1000>;
sdma: dma-controller@0 {
compatible = "ti,omap4430-sdma";
compatible = "ti,omap4430-sdma", "ti,omap-sdma";
reg = <0x0 0x1000>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
......
arch/arm/boot/dts/omap5-l4.dtsi
View file @ 9fc85a71
......@@ -213,7 +213,6 @@ dwc3: dwc3@10000 {
target-module@56000 { /* 0x4a056000, ap 7 02.0 */
compatible = "ti,sysc-omap2", "ti,sysc";
ti,hwmods = "dma_system";
reg = <0x56000 0x4>,
<0x5602c 0x4>,
<0x56028 0x4>;
......@@ -237,7 +236,7 @@ SYSC_OMAP2_SOFTRESET |
ranges = <0x0 0x56000 0x1000>;
sdma: dma-controller@0 {
compatible = "ti,omap4430-sdma";
compatible = "ti,omap4430-sdma", "ti,omap-sdma";
reg = <0x0 0x1000>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
......
arch/arm/mach-omap2/common.h
View file @ 9fc85a71
......@@ -345,9 +345,12 @@ static inline int dra7xx_pciess_reset(struct omap_hwmod *oh)
}
#endif
struct omap_system_dma_plat_info;
void pdata_quirks_init(const struct of_device_id *);
void omap_auxdata_legacy_init(struct device *dev);
void omap_pcs_legacy_init(int irq, void (*rearm)(void));
extern struct omap_system_dma_plat_info dma_plat_info;
struct omap_sdrc_params;
extern void omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
......
arch/arm/mach-omap2/dma.c
View file @ 9fc85a71
......@@ -30,10 +30,6 @@
#include <linux/omap-dma.h>
#include "soc.h"
#include "omap_hwmod.h"
#include "omap_device.h"
static enum omap_reg_offsets dma_common_ch_end;
static const struct omap_dma_reg reg_map[] = {
[REVISION] = { 0x0000, 0x00, OMAP_DMA_REG_32BIT },
......@@ -81,42 +77,6 @@ static const struct omap_dma_reg reg_map[] = {
[CCDN] = { 0x00d8, 0x60, OMAP_DMA_REG_32BIT },
};
static void __iomem *dma_base;
static inline void dma_write(u32 val, int reg, int lch)
{
void __iomem *addr = dma_base;
addr += reg_map[reg].offset;
addr += reg_map[reg].stride * lch;
writel_relaxed(val, addr);
}
static inline u32 dma_read(int reg, int lch)
{
void __iomem *addr = dma_base;
addr += reg_map[reg].offset;
addr += reg_map[reg].stride * lch;
return readl_relaxed(addr);
}
static void omap2_clear_dma(int lch)
{
int i;
for (i = CSDP; i <= dma_common_ch_end; i += 1)
dma_write(0, i, lch);
}
static void omap2_show_dma_caps(void)
{
u8 revision = dma_read(REVISION, 0) & 0xff;
printk(KERN_INFO "OMAP DMA hardware revision %d.%d\n",
revision >> 4, revision & 0xf);
}
static unsigned configure_dma_errata(void)
{
unsigned errata = 0;
......@@ -211,82 +171,35 @@ static const struct dma_slave_map omap24xx_sdma_dt_map[] = {
{ "musb-hdrc.1.auto", "dmareq5", SDMA_FILTER_PARAM(64) }, /* OMAP2420 only */
};
static struct omap_system_dma_plat_info dma_plat_info __initdata = {
.reg_map = reg_map,
.channel_stride = 0x60,
.show_dma_caps = omap2_show_dma_caps,
.clear_dma = omap2_clear_dma,
.dma_write = dma_write,
.dma_read = dma_read,
static struct omap_dma_dev_attr dma_attr = {
.dev_caps = RESERVE_CHANNEL | DMA_LINKED_LCH | GLOBAL_PRIORITY |
IS_CSSA_32 | IS_CDSA_32,
.lch_count = 32,
};
static struct platform_device_info omap_dma_dev_info __initdata = {
.name = "omap-dma-engine",
.id = -1,
.dma_mask = DMA_BIT_MASK(32),
struct omap_system_dma_plat_info dma_plat_info = {
.reg_map = reg_map,
.channel_stride = 0x60,
.dma_attr = &dma_attr,
};
/* One time initializations */
static int __init omap2_system_dma_init_dev(struct omap_hwmod *oh, void *unused)
static int __init omap2_system_dma_init(void)
{
struct platform_device *pdev;
struct omap_system_dma_plat_info p;
struct omap_dma_dev_attr *d;
struct resource *mem;
char *name = "omap_dma_system";
p = dma_plat_info;
p.dma_attr = (struct omap_dma_dev_attr *)oh->dev_attr;
p.errata = configure_dma_errata();
dma_plat_info.errata = configure_dma_errata();
if (soc_is_omap24xx()) {
/* DMA slave map for drivers not yet converted to DT */
p.slave_map = omap24xx_sdma_dt_map;
p.slavecnt = ARRAY_SIZE(omap24xx_sdma_dt_map);
dma_plat_info.slave_map = omap24xx_sdma_dt_map;
dma_plat_info.slavecnt = ARRAY_SIZE(omap24xx_sdma_dt_map);
}
pdev = omap_device_build(name, 0, oh, &p, sizeof(p));
if (IS_ERR(pdev)) {
pr_err("%s: Can't build omap_device for %s:%s.\n",
__func__, name, oh->name);
return PTR_ERR(pdev);
}
omap_dma_dev_info.res = pdev->resource;
omap_dma_dev_info.num_res = pdev->num_resources;
if (!soc_is_omap242x())
dma_attr.dev_caps |= IS_RW_PRIORITY;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(&pdev->dev, "%s: no mem resource\n", __func__);
return -EINVAL;
}
dma_base = ioremap(mem->start, resource_size(mem));
if (!dma_base) {
dev_err(&pdev->dev, "%s: ioremap fail\n", __func__);
return -ENOMEM;
}
d = oh->dev_attr;
if (cpu_is_omap34xx() && (omap_type() != OMAP2_DEVICE_TYPE_GP))
d->dev_caps |= HS_CHANNELS_RESERVED;
if (platform_get_irq_byname(pdev, "0") < 0)
d->dev_caps |= DMA_ENGINE_HANDLE_IRQ;
/* Check the capabilities register for descriptor loading feature */
if (dma_read(CAPS_0, 0) & DMA_HAS_DESCRIPTOR_CAPS)
dma_common_ch_end = CCDN;
else
dma_common_ch_end = CCFN;
if (soc_is_omap34xx() && (omap_type() != OMAP2_DEVICE_TYPE_GP))
dma_attr.dev_caps |= HS_CHANNELS_RESERVED;
return 0;
}
static int __init omap2_system_dma_init(void)
{
return omap_hwmod_for_each_by_class("dma",
omap2_system_dma_init_dev, NULL);
}
omap_arch_initcall(omap2_system_dma_init);
arch/arm/mach-omap2/omap_device.c
View file @ 9fc85a71
......@@ -373,176 +373,6 @@ void omap_device_delete(struct omap_device *od)
kfree(od);
}
/**
* omap_device_copy_resources - Add legacy IO and IRQ resources
* @oh: interconnect target module
* @pdev: platform device to copy resources to
*
* We still have legacy DMA and smartreflex needing resources.
* Let's populate what they need until we can eventually just
* remove this function. Note that there should be no need to
* call this from omap_device_build_from_dt(), nor should there
* be any need to call it for other devices.
*/
static int
omap_device_copy_resources(struct omap_hwmod *oh,
struct platform_device *pdev)
{
struct device_node *np, *child;
struct property *prop;
struct resource *res;
const char *name;
int error, irq = 0;
if (!oh || !oh->od || !oh->od->pdev)
return -EINVAL;
np = oh->od->pdev->dev.of_node;
if (!np) {
error = -ENODEV;
goto error;
}
res = kcalloc(2, sizeof(*res), GFP_KERNEL);
if (!res)
return -ENOMEM;
/* Do we have a dts range for the interconnect target module? */
error = omap_hwmod_parse_module_range(oh, np, res);
/* No ranges, rely on device reg entry */
if (error)
error = of_address_to_resource(np, 0, res);
if (error)
goto free;
/* SmartReflex needs first IO resource name to be "mpu" */
res[0].name = "mpu";
/*
* We may have a configured "ti,sysc" interconnect target with a
* dts child with the interrupt. If so use the first child's
* first interrupt for "ti-hwmods" legacy support.
*/
of_property_for_each_string(np, "compatible", prop, name)
if (!strncmp("ti,sysc-", name, 8))
break;
child = of_get_next_available_child(np, NULL);
if (name)
irq = irq_of_parse_and_map(child, 0);
if (!irq)
irq = irq_of_parse_and_map(np, 0);
if (!irq) {
error = -EINVAL;
goto free;
}
/* Legacy DMA code needs interrupt name to be "0" */
res[1].start = irq;
res[1].end = irq;
res[1].flags = IORESOURCE_IRQ;
res[1].name = "0";
error = platform_device_add_resources(pdev, res, 2);
free:
kfree(res);
error:
WARN(error, "%s: %s device %s failed: %i\n",
__func__, oh->name, dev_name(&pdev->dev),
error);
return error;
}
/**
* omap_device_build - build and register an omap_device with one omap_hwmod
* @pdev_name: name of the platform_device driver to use
* @pdev_id: this platform_device's connection ID
* @oh: ptr to the single omap_hwmod that backs this omap_device
* @pdata: platform_data ptr to associate with the platform_device
* @pdata_len: amount of memory pointed to by @pdata
*
* Convenience function for building and registering a single
* omap_device record, which in turn builds and registers a
* platform_device record. See omap_device_build_ss() for more
* information. Returns ERR_PTR(-EINVAL) if @oh is NULL; otherwise,
* passes along the return value of omap_device_build_ss().
*/
struct platform_device __init *omap_device_build(const char *pdev_name,
int pdev_id,
struct omap_hwmod *oh,
void *pdata, int pdata_len)
{
int ret = -ENOMEM;
struct platform_device *pdev;
struct omap_device *od;
if (!oh || !pdev_name)
return ERR_PTR(-EINVAL);
if (!pdata && pdata_len > 0)
return ERR_PTR(-EINVAL);
if (strncmp(oh->name, "smartreflex", 11) &&
strncmp(oh->name, "dma", 3)) {
pr_warn("%s need to update %s to probe with dt\na",
__func__, pdev_name);
ret = -ENODEV;
goto odbs_exit;
}
pdev = platform_device_alloc(pdev_name, pdev_id);
if (!pdev) {
ret = -ENOMEM;
goto odbs_exit;
}
/* Set the dev_name early to allow dev_xxx in omap_device_alloc */
if (pdev->id != -1)
dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id);
else
dev_set_name(&pdev->dev, "%s", pdev->name);
/*
* Must be called before omap_device_alloc() as oh->od
* only contains the currently registered omap_device
* and will get overwritten by omap_device_alloc().
*/
ret = omap_device_copy_resources(oh, pdev);
if (ret)
goto odbs_exit1;
od = omap_device_alloc(pdev, &oh, 1);
if (IS_ERR(od)) {
ret = PTR_ERR(od);
goto odbs_exit1;
}
ret = platform_device_add_data(pdev, pdata, pdata_len);
if (ret)
goto odbs_exit2;
ret = omap_device_register(pdev);
if (ret)
goto odbs_exit2;
return pdev;
odbs_exit2:
omap_device_delete(od);
odbs_exit1:
platform_device_put(pdev);
odbs_exit:
pr_err("omap_device: %s: build failed (%d)\n", pdev_name, ret);
return ERR_PTR(ret);
}
#ifdef CONFIG_PM
static int _od_runtime_suspend(struct device *dev)
{
......
arch/arm/mach-omap2/omap_device.h
View file @ 9fc85a71
......@@ -68,10 +68,6 @@ int omap_device_idle(struct platform_device *pdev);
/* Core code interface */
struct platform_device *omap_device_build(const char *pdev_name, int pdev_id,
struct omap_hwmod *oh, void *pdata,
int pdata_len);
struct omap_device *omap_device_alloc(struct platform_device *pdev,
struct omap_hwmod **ohs, int oh_cnt);
void omap_device_delete(struct omap_device *od);
......
arch/arm/mach-omap2/omap_hwmod_2420_data.c
View file @ 9fc85a71
......@@ -11,7 +11,6 @@
*/
#include <linux/platform_data/i2c-omap.h>
#include <linux/omap-dma.h>
#include "omap_hwmod.h"
#include "l3_2xxx.h"
......@@ -126,21 +125,6 @@ static struct omap_hwmod omap2420_i2c2_hwmod = {
.flags = HWMOD_16BIT_REG,
};
/* dma attributes */
static struct omap_dma_dev_attr dma_dev_attr = {
.dev_caps = RESERVE_CHANNEL | DMA_LINKED_LCH | GLOBAL_PRIORITY |
IS_CSSA_32 | IS_CDSA_32,
.lch_count = 32,
};
static struct omap_hwmod omap2420_dma_system_hwmod = {
.name = "dma",
.class = &omap2xxx_dma_hwmod_class,
.main_clk = "core_l3_ck",
.dev_attr = &dma_dev_attr,
.flags = HWMOD_NO_IDLEST,
};
/* mailbox */
static struct omap_hwmod omap2420_mailbox_hwmod = {
.name = "mailbox",
......@@ -328,22 +312,6 @@ static struct omap_hwmod_ocp_if omap2420_l4_wkup__gpio4 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* dma_system -> L3 */
static struct omap_hwmod_ocp_if omap2420_dma_system__l3 = {
.master = &omap2420_dma_system_hwmod,
.slave = &omap2xxx_l3_main_hwmod,
.clk = "core_l3_ck",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> dma_system */
static struct omap_hwmod_ocp_if omap2420_l4_core__dma_system = {
.master = &omap2xxx_l4_core_hwmod,
.slave = &omap2420_dma_system_hwmod,
.clk = "sdma_ick",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> mailbox */
static struct omap_hwmod_ocp_if omap2420_l4_core__mailbox = {
.master = &omap2xxx_l4_core_hwmod,
......@@ -435,8 +403,6 @@ static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = {
&omap2420_l4_wkup__gpio2,
&omap2420_l4_wkup__gpio3,
&omap2420_l4_wkup__gpio4,
&omap2420_dma_system__l3,
&omap2420_l4_core__dma_system,
&omap2420_l4_core__mailbox,
&omap2420_l4_core__mcbsp1,
&omap2420_l4_core__mcbsp2,
......
arch/arm/mach-omap2/omap_hwmod_2430_data.c
View file @ 9fc85a71
......@@ -12,7 +12,6 @@
#include <linux/platform_data/i2c-omap.h>
#include <linux/platform_data/hsmmc-omap.h>
#include <linux/omap-dma.h>
#include "omap_hwmod.h"
#include "l3_2xxx.h"
......@@ -121,21 +120,6 @@ static struct omap_hwmod omap2430_gpio5_hwmod = {
.class = &omap2xxx_gpio_hwmod_class,
};
/* dma attributes */
static struct omap_dma_dev_attr dma_dev_attr = {
.dev_caps = RESERVE_CHANNEL | DMA_LINKED_LCH | GLOBAL_PRIORITY |
IS_CSSA_32 | IS_CDSA_32 | IS_RW_PRIORITY,
.lch_count = 32,
};
static struct omap_hwmod omap2430_dma_system_hwmod = {
.name = "dma",
.class = &omap2xxx_dma_hwmod_class,
.main_clk = "core_l3_ck",
.dev_attr = &dma_dev_attr,
.flags = HWMOD_NO_IDLEST,
};
/* mailbox */
static struct omap_hwmod omap2430_mailbox_hwmod = {
.name = "mailbox",
......@@ -508,22 +492,6 @@ static struct omap_hwmod_ocp_if omap2430_l4_core__gpio5 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* dma_system -> L3 */
static struct omap_hwmod_ocp_if omap2430_dma_system__l3 = {
.master = &omap2430_dma_system_hwmod,
.slave = &omap2xxx_l3_main_hwmod,
.clk = "core_l3_ck",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> dma_system */
static struct omap_hwmod_ocp_if omap2430_l4_core__dma_system = {
.master = &omap2xxx_l4_core_hwmod,
.slave = &omap2430_dma_system_hwmod,
.clk = "sdma_ick",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> mailbox */
static struct omap_hwmod_ocp_if omap2430_l4_core__mailbox = {
.master = &omap2xxx_l4_core_hwmod,
......@@ -635,8 +603,6 @@ static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = {
&omap2430_l4_wkup__gpio3,
&omap2430_l4_wkup__gpio4,
&omap2430_l4_core__gpio5,
&omap2430_dma_system__l3,
&omap2430_l4_core__dma_system,
&omap2430_l4_core__mailbox,
&omap2430_l4_core__mcbsp1,
&omap2430_l4_core__mcbsp2,
......
arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
View file @ 9fc85a71
......@@ -7,7 +7,6 @@
*/
#include <linux/types.h>
#include <linux/omap-dma.h>
#include "omap_hwmod.h"
#include "omap_hwmod_common_data.h"
......@@ -95,23 +94,6 @@ struct omap_hwmod_class omap2xxx_gpio_hwmod_class = {
.sysc = &omap2xxx_gpio_sysc,
};
/* system dma */
static struct omap_hwmod_class_sysconfig omap2xxx_dma_sysc = {
.rev_offs = 0x0000,
.sysc_offs = 0x002c,
.syss_offs = 0x0028,
.sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_MIDLEMODE |
SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_EMUFREE |
SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
.idlemodes = (MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
struct omap_hwmod_class omap2xxx_dma_hwmod_class = {
.name = "dma",
.sysc = &omap2xxx_dma_sysc,
};
/*
* 'mailbox' class
* mailbox module allowing communication between the on-chip processors
......
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
View file @ 9fc85a71
......@@ -16,7 +16,6 @@
#include <linux/power/smartreflex.h>
#include <linux/platform_data/hsmmc-omap.h>
#include <linux/omap-dma.h>
#include "l3_3xxx.h"
#include "l4_3xxx.h"
......@@ -833,47 +832,6 @@ static struct omap_hwmod omap3xxx_gpio6_hwmod = {
.class = &omap3xxx_gpio_hwmod_class,
};
/* dma attributes */
static struct omap_dma_dev_attr dma_dev_attr = {
.dev_caps = RESERVE_CHANNEL | DMA_LINKED_LCH | GLOBAL_PRIORITY |
IS_CSSA_32 | IS_CDSA_32 | IS_RW_PRIORITY,
.lch_count = 32,
};
static struct omap_hwmod_class_sysconfig omap3xxx_dma_sysc = {
.rev_offs = 0x0000,
.sysc_offs = 0x002c,
.syss_offs = 0x0028,
.sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
SYSC_HAS_MIDLEMODE | SYSC_HAS_CLOCKACTIVITY |
SYSC_HAS_EMUFREE | SYSC_HAS_AUTOIDLE |
SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
static struct omap_hwmod_class omap3xxx_dma_hwmod_class = {
.name = "dma",
.sysc = &omap3xxx_dma_sysc,
};
/* dma_system */
static struct omap_hwmod omap3xxx_dma_system_hwmod = {
.name = "dma",
.class = &omap3xxx_dma_hwmod_class,
.main_clk = "core_l3_ick",
.prcm = {
.omap2 = {
.module_offs = CORE_MOD,
.idlest_reg_id = 1,
.idlest_idle_bit = OMAP3430_ST_SDMA_SHIFT,
},
},
.dev_attr = &dma_dev_attr,
.flags = HWMOD_NO_IDLEST,
};
/*
* 'mcbsp' class
* multi channel buffered serial port controller
......@@ -2233,23 +2191,6 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_per__gpio6 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* dma_system -> L3 */
static struct omap_hwmod_ocp_if omap3xxx_dma_system__l3 = {
.master = &omap3xxx_dma_system_hwmod,
.slave = &omap3xxx_l3_main_hwmod,
.clk = "core_l3_ick",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_cfg -> dma_system */
static struct omap_hwmod_ocp_if omap3xxx_l4_core__dma_system = {
.master = &omap3xxx_l4_core_hwmod,
.slave = &omap3xxx_dma_system_hwmod,
.clk = "core_l4_ick",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_core -> mcbsp1 */
static struct omap_hwmod_ocp_if omap3xxx_l4_core__mcbsp1 = {
.master = &omap3xxx_l4_core_hwmod,
......@@ -2628,8 +2569,6 @@ static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = {
&omap3xxx_l4_per__gpio4,
&omap3xxx_l4_per__gpio5,
&omap3xxx_l4_per__gpio6,
&omap3xxx_dma_system__l3,
&omap3xxx_l4_core__dma_system,
&omap3xxx_l4_core__mcbsp1,
&omap3xxx_l4_per__mcbsp2,
&omap3xxx_l4_per__mcbsp3,
......
arch/arm/mach-omap2/omap_hwmod_44xx_data.c
View file @ 9fc85a71
......@@ -18,7 +18,6 @@
*/
#include <linux/io.h>
#include <linux/omap-dma.h>
#include "omap_hwmod.h"
#include "omap_hwmod_common_data.h"
......@@ -30,9 +29,6 @@
/* Base offset for all OMAP4 interrupts external to MPUSS */
#define OMAP44XX_IRQ_GIC_START 32
/* Base offset for all OMAP4 dma requests */
#define OMAP44XX_DMA_REQ_START 1
/*
* IP blocks
*/
......@@ -359,53 +355,6 @@ static struct omap_hwmod omap44xx_debugss_hwmod = {
},
};
/*
* 'dma' class
* dma controller for data exchange between memory to memory (i.e. internal or
* external memory) and gp peripherals to memory or memory to gp peripherals
*/
static struct omap_hwmod_class_sysconfig omap44xx_dma_sysc = {
.rev_offs = 0x0000,
.sysc_offs = 0x002c,
.syss_offs = 0x0028,
.sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY |
SYSC_HAS_EMUFREE | SYSC_HAS_MIDLEMODE |
SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
static struct omap_hwmod_class omap44xx_dma_hwmod_class = {
.name = "dma",
.sysc = &omap44xx_dma_sysc,
};
/* dma dev_attr */
static struct omap_dma_dev_attr dma_dev_attr = {
.dev_caps = RESERVE_CHANNEL | DMA_LINKED_LCH | GLOBAL_PRIORITY |
IS_CSSA_32 | IS_CDSA_32 | IS_RW_PRIORITY,
.lch_count = 32,
};
/* dma_system */
static struct omap_hwmod omap44xx_dma_system_hwmod = {
.name = "dma_system",
.class = &omap44xx_dma_hwmod_class,
.clkdm_name = "l3_dma_clkdm",
.main_clk = "l3_div_ck",
.prcm = {
.omap4 = {
.clkctrl_offs = OMAP4_CM_SDMA_SDMA_CLKCTRL_OFFSET,
.context_offs = OMAP4_RM_SDMA_SDMA_CONTEXT_OFFSET,
},
},
.dev_attr = &dma_dev_attr,
};
/*
* 'dsp' class
* dsp sub-system
......@@ -1458,14 +1407,6 @@ static struct omap_hwmod_ocp_if omap44xx_debugss__l3_main_2 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* dma_system -> l3_main_2 */
static struct omap_hwmod_ocp_if omap44xx_dma_system__l3_main_2 = {
.master = &omap44xx_dma_system_hwmod,
.slave = &omap44xx_l3_main_2_hwmod,
.clk = "l3_div_ck",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* ipu -> l3_main_2 */
static struct omap_hwmod_ocp_if omap44xx_ipu__l3_main_2 = {
.master = &omap44xx_ipu_hwmod,
......@@ -1658,14 +1599,6 @@ static struct omap_hwmod_ocp_if omap44xx_l3_instr__debugss = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_cfg -> dma_system */
static struct omap_hwmod_ocp_if omap44xx_l4_cfg__dma_system = {
.master = &omap44xx_l4_cfg_hwmod,
.slave = &omap44xx_dma_system_hwmod,
.clk = "l4_div_ck",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* dsp -> iva */
static struct omap_hwmod_ocp_if omap44xx_dsp__iva = {
.master = &omap44xx_dsp_hwmod,
......@@ -1966,7 +1899,6 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = {
&omap44xx_l4_cfg__l3_main_1,
&omap44xx_mpu__l3_main_1,
&omap44xx_debugss__l3_main_2,
&omap44xx_dma_system__l3_main_2,
&omap44xx_ipu__l3_main_2,
&omap44xx_iss__l3_main_2,
&omap44xx_iva__l3_main_2,
......@@ -1991,7 +1923,6 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = {
&omap44xx_l4_wkup__ctrl_module_wkup,
&omap44xx_l4_wkup__ctrl_module_pad_wkup,
&omap44xx_l3_instr__debugss,
&omap44xx_l4_cfg__dma_system,
&omap44xx_dsp__iva,
/* &omap44xx_dsp__sl2if, */
&omap44xx_l4_cfg__dsp,
......
arch/arm/mach-omap2/omap_hwmod_54xx_data.c
View file @ 9fc85a71
......@@ -17,8 +17,6 @@
#include <linux/io.h>
#include <linux/power/smartreflex.h>
#include <linux/omap-dma.h>
#include "omap_hwmod.h"
#include "omap_hwmod_common_data.h"
#include "cm1_54xx.h"
......@@ -28,10 +26,6 @@
/* Base offset for all OMAP5 interrupts external to MPUSS */
#define OMAP54XX_IRQ_GIC_START 32
/* Base offset for all OMAP5 dma requests */
#define OMAP54XX_DMA_REQ_START 1
/*
* IP blocks
*/
......@@ -232,53 +226,6 @@ static struct omap_hwmod omap54xx_counter_32k_hwmod = {
},
};
/*
* 'dma' class
* dma controller for data exchange between memory to memory (i.e. internal or
* external memory) and gp peripherals to memory or memory to gp peripherals
*/
static struct omap_hwmod_class_sysconfig omap54xx_dma_sysc = {
.rev_offs = 0x0000,
.sysc_offs = 0x002c,
.syss_offs = 0x0028,
.sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY |
SYSC_HAS_EMUFREE | SYSC_HAS_MIDLEMODE |
SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
.sysc_fields = &omap_hwmod_sysc_type1,
};
static struct omap_hwmod_class omap54xx_dma_hwmod_class = {
.name = "dma",
.sysc = &omap54xx_dma_sysc,
};
/* dma dev_attr */
static struct omap_dma_dev_attr dma_dev_attr = {
.dev_caps = RESERVE_CHANNEL | DMA_LINKED_LCH | GLOBAL_PRIORITY |
IS_CSSA_32 | IS_CDSA_32 | IS_RW_PRIORITY,
.lch_count = 32,
};
/* dma_system */
static struct omap_hwmod omap54xx_dma_system_hwmod = {
.name = "dma_system",
.class = &omap54xx_dma_hwmod_class,
.clkdm_name = "dma_clkdm",
.main_clk = "l3_iclk_div",
.prcm = {
.omap4 = {
.clkctrl_offs = OMAP54XX_CM_DMA_DMA_SYSTEM_CLKCTRL_OFFSET,
.context_offs = OMAP54XX_RM_DMA_DMA_SYSTEM_CONTEXT_OFFSET,
},
},
.dev_attr = &dma_dev_attr,
};
/*
* 'dss' class
* display sub-system
......@@ -961,14 +908,6 @@ static struct omap_hwmod_ocp_if omap54xx_l4_wkup__counter_32k = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_cfg -> dma_system */
static struct omap_hwmod_ocp_if omap54xx_l4_cfg__dma_system = {
.master = &omap54xx_l4_cfg_hwmod,
.slave = &omap54xx_dma_system_hwmod,
.clk = "l4_root_clk_div",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l3_main_2 -> dss */
static struct omap_hwmod_ocp_if omap54xx_l3_main_2__dss = {
.master = &omap54xx_l3_main_2_hwmod,
......@@ -1091,7 +1030,6 @@ static struct omap_hwmod_ocp_if *omap54xx_hwmod_ocp_ifs[] __initdata = {
&omap54xx_l3_main_1__l4_wkup,
&omap54xx_mpu__mpu_private,
&omap54xx_l4_wkup__counter_32k,
&omap54xx_l4_cfg__dma_system,
&omap54xx_l3_main_2__dss,
&omap54xx_l3_main_2__dss_dispc,
&omap54xx_l3_main_2__dss_dsi1_a,
......
arch/arm/mach-omap2/omap_hwmod_7xx_data.c
View file @ 9fc85a71
......@@ -15,7 +15,6 @@
*/
#include <linux/io.h>
#include <linux/omap-dma.h>
#include "omap_hwmod.h"
#include "omap_hwmod_common_data.h"
......@@ -27,10 +26,6 @@
/* Base offset for all DRA7XX interrupts external to MPUSS */
#define DRA7XX_IRQ_GIC_START 32
/* Base offset for all DRA7XX dma requests */
#define DRA7XX_DMA_REQ_START 1
/*
* IP blocks
*/
......@@ -281,52 +276,6 @@ static struct omap_hwmod dra7xx_ctrl_module_wkup_hwmod = {
},
};
/*
* 'dma' class
*
*/
static struct omap_hwmod_class_sysconfig dra7xx_dma_sysc = {
.rev_offs = 0x0000,
.sysc_offs = 0x002c,
.syss_offs = 0x0028,
.sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY |
SYSC_HAS_EMUFREE | SYSC_HAS_MIDLEMODE |
SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
SYSS_HAS_RESET_STATUS),
.idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO |
MSTANDBY_SMART | MSTANDBY_SMART_WKUP),
.sysc_fields = &omap_hwmod_sysc_type1,
};
static struct omap_hwmod_class dra7xx_dma_hwmod_class = {
.name = "dma",
.sysc = &dra7xx_dma_sysc,
};
/* dma dev_attr */
static struct omap_dma_dev_attr dma_dev_attr = {
.dev_caps = RESERVE_CHANNEL | DMA_LINKED_LCH | GLOBAL_PRIORITY |
IS_CSSA_32 | IS_CDSA_32 | IS_RW_PRIORITY,
.lch_count = 32,
};
/* dma_system */
static struct omap_hwmod dra7xx_dma_system_hwmod = {
.name = "dma_system",
.class = &dra7xx_dma_hwmod_class,
.clkdm_name = "dma_clkdm",
.main_clk = "l3_iclk_div",
.prcm = {
.omap4 = {
.clkctrl_offs = DRA7XX_CM_DMA_DMA_SYSTEM_CLKCTRL_OFFSET,
.context_offs = DRA7XX_RM_DMA_DMA_SYSTEM_CONTEXT_OFFSET,
},
},
.dev_attr = &dma_dev_attr,
};
/*
* 'tpcc' class
*
......@@ -1128,14 +1077,6 @@ static struct omap_hwmod_ocp_if dra7xx_l4_wkup__ctrl_module_wkup = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l4_cfg -> dma_system */
static struct omap_hwmod_ocp_if dra7xx_l4_cfg__dma_system = {
.master = &dra7xx_l4_cfg_hwmod,
.slave = &dra7xx_dma_system_hwmod,
.clk = "l3_iclk_div",
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
/* l3_main_1 -> tpcc */
static struct omap_hwmod_ocp_if dra7xx_l3_main_1__tpcc = {
.master = &dra7xx_l3_main_1_hwmod,
......@@ -1368,7 +1309,6 @@ static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
&dra7xx_l3_main_1__bb2d,
&dra7xx_l4_wkup__counter_32k,
&dra7xx_l4_wkup__ctrl_module_wkup,
&dra7xx_l4_cfg__dma_system,
&dra7xx_l3_main_1__tpcc,
&dra7xx_l3_main_1__tptc0,
&dra7xx_l3_main_1__tptc1,
......
arch/arm/mach-omap2/omap_hwmod_common_data.h
View file @ 9fc85a71
......@@ -98,7 +98,6 @@ extern struct omap_hwmod_class omap2_hdq1w_class;
extern struct omap_hwmod_class omap2xxx_timer_hwmod_class;
extern struct omap_hwmod_class omap2xxx_wd_timer_hwmod_class;
extern struct omap_hwmod_class omap2xxx_gpio_hwmod_class;
extern struct omap_hwmod_class omap2xxx_dma_hwmod_class;
extern struct omap_hwmod_class omap2xxx_mailbox_hwmod_class;
extern struct omap_hwmod_class omap2xxx_mcspi_class;
......
arch/arm/mach-omap2/pdata-quirks.c
View file @ 9fc85a71
......@@ -514,6 +514,7 @@ static struct of_dev_auxdata omap_auxdata_lookup[] = {
/* Common auxdata */
OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
{ /* sentinel */ },
};
......
arch/arm/mach-omap2/pm24xx.c
View file @ 9fc85a71
......@@ -83,8 +83,6 @@ static int omap2_enter_full_retention(void)
l = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0) | OMAP24XX_USBSTANDBYCTRL;
omap_ctrl_writel(l, OMAP2_CONTROL_DEVCONF0);
cpu_cluster_pm_enter();
/* One last check for pending IRQs to avoid extra latency due
* to sleeping unnecessarily. */
if (omap_irq_pending())
......@@ -96,8 +94,6 @@ static int omap2_enter_full_retention(void)
OMAP_SDRC_REGADDR(SDRC_POWER));
no_sleep:
cpu_cluster_pm_exit();
clk_enable(osc_ck);
/* clear CORE wake-up events */
......@@ -162,25 +158,27 @@ static int omap2_can_sleep(void)
return 0;
if (__clk_is_enabled(osc_ck))
return 0;
if (omap_dma_running())
return 0;
return 1;
}
static void omap2_pm_idle(void)
{
if (!omap2_can_sleep()) {
if (omap_irq_pending())
return;
omap2_enter_mpu_retention();
return;
}
int error;
if (omap_irq_pending())
return;
error = cpu_cluster_pm_enter();
if (error || !omap2_can_sleep()) {
omap2_enter_mpu_retention();
goto out_cpu_cluster_pm;
}
omap2_enter_full_retention();
out_cpu_cluster_pm:
cpu_cluster_pm_exit();
}
static void __init prcm_setup_regs(void)
......
arch/arm/mach-omap2/pm34xx.c
View file @ 9fc85a71
......@@ -25,7 +25,6 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/omap-dma.h>
#include <linux/omap-gpmc.h>
#include <trace/events/power.h>
......@@ -85,7 +84,6 @@ static void omap3_core_save_context(void)
omap3_gpmc_save_context();
/* Save the system control module context, padconf already save above*/
omap3_control_save_context();
omap_dma_global_context_save();
}
static void omap3_core_restore_context(void)
......@@ -96,7 +94,6 @@ static void omap3_core_restore_context(void)
omap3_gpmc_restore_context();
/* Restore the interrupt controller context */
omap_intc_restore_context();
omap_dma_global_context_restore();
}
/*
......@@ -547,9 +544,7 @@ int __init omap3_pm_init(void)
local_irq_disable();
omap_dma_global_context_save();
omap3_save_secure_ram_context();
omap_dma_global_context_restore();
local_irq_enable();
}
......
arch/arm/plat-omap/dma.c
View file @ 9fc85a71
This diff is collapsed.
drivers/dma/ti/omap-dma.c
View file @ 9fc85a71
This diff is collapsed.
include/linux/omap-dma.h
View file @ 9fc85a71
......@@ -129,7 +129,6 @@
#define IS_WORD_16 BIT(0xd)
#define ENABLE_16XX_MODE BIT(0xe)
#define HS_CHANNELS_RESERVED BIT(0xf)
#define DMA_ENGINE_HANDLE_IRQ BIT(0x10)
/* Defines for DMA Capabilities */
#define DMA_HAS_TRANSPARENT_CAPS (0x1 << 18)
......@@ -239,9 +238,6 @@ struct omap_dma_lch {
void (*callback)(int lch, u16 ch_status, void *data);
void *data;
long flags;
/* required for Dynamic chaining */
int prev_linked_ch;
int next_linked_ch;
int state;
int chain_id;
int status;
......@@ -303,7 +299,6 @@ extern void omap_set_dma_priority(int lch, int dst_port, int priority);
extern int omap_request_dma(int dev_id, const char *dev_name,
void (*callback)(int lch, u16 ch_status, void *data),
void *data, int *dma_ch);
extern void omap_enable_dma_irq(int ch, u16 irq_bits);
extern void omap_disable_dma_irq(int ch, u16 irq_bits);
extern void omap_free_dma(int ch);
extern void omap_start_dma(int lch);
......@@ -312,7 +307,6 @@ extern void omap_set_dma_transfer_params(int lch, int data_type,
int elem_count, int frame_count,
int sync_mode,
int dma_trigger, int src_or_dst_synch);
extern void omap_set_dma_write_mode(int lch, enum omap_dma_write_mode mode);
extern void omap_set_dma_channel_mode(int lch, enum omap_dma_channel_mode mode);
extern void omap_set_dma_src_params(int lch, int src_port, int src_amode,
......@@ -329,22 +323,10 @@ extern void omap_set_dma_dest_data_pack(int lch, int enable);
extern void omap_set_dma_dest_burst_mode(int lch,
enum omap_dma_burst_mode burst_mode);
extern void omap_set_dma_params(int lch,
struct omap_dma_channel_params *params);
extern void omap_dma_link_lch(int lch_head, int lch_queue);
extern int omap_set_dma_callback(int lch,
void (*callback)(int lch, u16 ch_status, void *data),
void *data);
extern dma_addr_t omap_get_dma_src_pos(int lch);
extern dma_addr_t omap_get_dma_dst_pos(int lch);
extern int omap_get_dma_active_status(int lch);
extern int omap_dma_running(void);
extern void omap_dma_set_global_params(int arb_rate, int max_fifo_depth,
int tparams);
void omap_dma_global_context_save(void);
void omap_dma_global_context_restore(void);
#if defined(CONFIG_ARCH_OMAP1) && IS_ENABLED(CONFIG_FB_OMAP)
#include <mach/lcd_dma.h>
......
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