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path: root/drivers/media/platform/davinci/vpbe_venc.c
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Diffstat (limited to 'drivers/media/platform/davinci/vpbe_venc.c')
-rw-r--r--drivers/media/platform/davinci/vpbe_venc.c186
1 files changed, 89 insertions, 97 deletions
diff --git a/drivers/media/platform/davinci/vpbe_venc.c b/drivers/media/platform/davinci/vpbe_venc.c
index aed7369b962..14a023a75d2 100644
--- a/drivers/media/platform/davinci/vpbe_venc.c
+++ b/drivers/media/platform/davinci/vpbe_venc.c
@@ -38,7 +38,25 @@
#include "vpbe_venc_regs.h"
-#define MODULE_NAME VPBE_VENC_SUBDEV_NAME
+#define MODULE_NAME "davinci-vpbe-venc"
+
+static struct platform_device_id vpbe_venc_devtype[] = {
+ {
+ .name = DM644X_VPBE_VENC_SUBDEV_NAME,
+ .driver_data = VPBE_VERSION_1,
+ }, {
+ .name = DM365_VPBE_VENC_SUBDEV_NAME,
+ .driver_data = VPBE_VERSION_2,
+ }, {
+ .name = DM355_VPBE_VENC_SUBDEV_NAME,
+ .driver_data = VPBE_VERSION_3,
+ },
+ {
+ /* sentinel */
+ }
+};
+
+MODULE_DEVICE_TABLE(platform, vpbe_venc_devtype);
static int debug = 2;
module_param(debug, int, 0644);
@@ -54,6 +72,7 @@ struct venc_state {
spinlock_t lock;
void __iomem *venc_base;
void __iomem *vdaccfg_reg;
+ enum vpbe_version venc_type;
};
static inline struct venc_state *to_state(struct v4l2_subdev *sd)
@@ -127,7 +146,7 @@ static int venc_set_dac(struct v4l2_subdev *sd, u32 out_index)
static void venc_enabledigitaloutput(struct v4l2_subdev *sd, int benable)
{
struct venc_state *venc = to_state(sd);
- struct venc_platform_data *pdata = venc->pdata;
+
v4l2_dbg(debug, 2, sd, "venc_enabledigitaloutput\n");
if (benable) {
@@ -159,7 +178,7 @@ static void venc_enabledigitaloutput(struct v4l2_subdev *sd, int benable)
/* Disable LCD output control (accepting default polarity) */
venc_write(sd, VENC_LCDOUT, 0);
- if (pdata->venc_type != VPBE_VERSION_3)
+ if (venc->venc_type != VPBE_VERSION_3)
venc_write(sd, VENC_CMPNT, 0x100);
venc_write(sd, VENC_HSPLS, 0);
venc_write(sd, VENC_HINT, 0);
@@ -183,6 +202,25 @@ static void venc_enabledigitaloutput(struct v4l2_subdev *sd, int benable)
}
}
+static void
+venc_enable_vpss_clock(int venc_type,
+ enum vpbe_enc_timings_type type,
+ unsigned int pclock)
+{
+ if (venc_type == VPBE_VERSION_1)
+ return;
+
+ if (venc_type == VPBE_VERSION_2 && (type == VPBE_ENC_STD || (type ==
+ VPBE_ENC_DV_TIMINGS && pclock <= 27000000))) {
+ vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 1);
+ vpss_enable_clock(VPSS_VPBE_CLOCK, 1);
+ return;
+ }
+
+ if (venc_type == VPBE_VERSION_3 && type == VPBE_ENC_STD)
+ vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 0);
+}
+
#define VDAC_CONFIG_SD_V3 0x0E21A6B6
#define VDAC_CONFIG_SD_V2 0x081141CF
/*
@@ -201,13 +239,14 @@ static int venc_set_ntsc(struct v4l2_subdev *sd)
if (pdata->setup_clock(VPBE_ENC_STD, V4L2_STD_525_60) < 0)
return -EINVAL;
+ venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_STD, V4L2_STD_525_60);
venc_enabledigitaloutput(sd, 0);
- if (pdata->venc_type == VPBE_VERSION_3) {
+ if (venc->venc_type == VPBE_VERSION_3) {
venc_write(sd, VENC_CLKCTL, 0x01);
venc_write(sd, VENC_VIDCTL, 0);
val = vdaccfg_write(sd, VDAC_CONFIG_SD_V3);
- } else if (pdata->venc_type == VPBE_VERSION_2) {
+ } else if (venc->venc_type == VPBE_VERSION_2) {
venc_write(sd, VENC_CLKCTL, 0x01);
venc_write(sd, VENC_VIDCTL, 0);
vdaccfg_write(sd, VDAC_CONFIG_SD_V2);
@@ -238,7 +277,6 @@ static int venc_set_ntsc(struct v4l2_subdev *sd)
static int venc_set_pal(struct v4l2_subdev *sd)
{
struct venc_state *venc = to_state(sd);
- struct venc_platform_data *pdata = venc->pdata;
v4l2_dbg(debug, 2, sd, "venc_set_pal\n");
@@ -247,13 +285,14 @@ static int venc_set_pal(struct v4l2_subdev *sd)
if (venc->pdata->setup_clock(VPBE_ENC_STD, V4L2_STD_625_50) < 0)
return -EINVAL;
+ venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_STD, V4L2_STD_625_50);
venc_enabledigitaloutput(sd, 0);
- if (pdata->venc_type == VPBE_VERSION_3) {
+ if (venc->venc_type == VPBE_VERSION_3) {
venc_write(sd, VENC_CLKCTL, 0x1);
venc_write(sd, VENC_VIDCTL, 0);
vdaccfg_write(sd, VDAC_CONFIG_SD_V3);
- } else if (pdata->venc_type == VPBE_VERSION_2) {
+ } else if (venc->venc_type == VPBE_VERSION_2) {
venc_write(sd, VENC_CLKCTL, 0x1);
venc_write(sd, VENC_VIDCTL, 0);
vdaccfg_write(sd, VDAC_CONFIG_SD_V2);
@@ -293,22 +332,23 @@ static int venc_set_480p59_94(struct v4l2_subdev *sd)
struct venc_platform_data *pdata = venc->pdata;
v4l2_dbg(debug, 2, sd, "venc_set_480p59_94\n");
- if ((pdata->venc_type != VPBE_VERSION_1) &&
- (pdata->venc_type != VPBE_VERSION_2))
+ if (venc->venc_type != VPBE_VERSION_1 &&
+ venc->venc_type != VPBE_VERSION_2)
return -EINVAL;
/* Setup clock at VPSS & VENC for SD */
- if (pdata->setup_clock(VPBE_ENC_CUSTOM_TIMINGS, 27000000) < 0)
+ if (pdata->setup_clock(VPBE_ENC_DV_TIMINGS, 27000000) < 0)
return -EINVAL;
+ venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_DV_TIMINGS, 27000000);
venc_enabledigitaloutput(sd, 0);
- if (pdata->venc_type == VPBE_VERSION_2)
+ if (venc->venc_type == VPBE_VERSION_2)
vdaccfg_write(sd, VDAC_CONFIG_HD_V2);
venc_write(sd, VENC_OSDCLK0, 0);
venc_write(sd, VENC_OSDCLK1, 1);
- if (pdata->venc_type == VPBE_VERSION_1) {
+ if (venc->venc_type == VPBE_VERSION_1) {
venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAFRQ,
VENC_VDPRO_DAFRQ);
venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAUPS,
@@ -341,22 +381,23 @@ static int venc_set_576p50(struct v4l2_subdev *sd)
v4l2_dbg(debug, 2, sd, "venc_set_576p50\n");
- if ((pdata->venc_type != VPBE_VERSION_1) &&
- (pdata->venc_type != VPBE_VERSION_2))
+ if (venc->venc_type != VPBE_VERSION_1 &&
+ venc->venc_type != VPBE_VERSION_2)
return -EINVAL;
/* Setup clock at VPSS & VENC for SD */
- if (pdata->setup_clock(VPBE_ENC_CUSTOM_TIMINGS, 27000000) < 0)
+ if (pdata->setup_clock(VPBE_ENC_DV_TIMINGS, 27000000) < 0)
return -EINVAL;
+ venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_DV_TIMINGS, 27000000);
venc_enabledigitaloutput(sd, 0);
- if (pdata->venc_type == VPBE_VERSION_2)
+ if (venc->venc_type == VPBE_VERSION_2)
vdaccfg_write(sd, VDAC_CONFIG_HD_V2);
venc_write(sd, VENC_OSDCLK0, 0);
venc_write(sd, VENC_OSDCLK1, 1);
- if (pdata->venc_type == VPBE_VERSION_1) {
+ if (venc->venc_type == VPBE_VERSION_1) {
venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAFRQ,
VENC_VDPRO_DAFRQ);
venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAUPS,
@@ -385,9 +426,10 @@ static int venc_set_720p60_internal(struct v4l2_subdev *sd)
struct venc_state *venc = to_state(sd);
struct venc_platform_data *pdata = venc->pdata;
- if (pdata->setup_clock(VPBE_ENC_CUSTOM_TIMINGS, 74250000) < 0)
+ if (pdata->setup_clock(VPBE_ENC_DV_TIMINGS, 74250000) < 0)
return -EINVAL;
+ venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_DV_TIMINGS, 74250000);
venc_enabledigitaloutput(sd, 0);
venc_write(sd, VENC_OSDCLK0, 0);
@@ -413,9 +455,10 @@ static int venc_set_1080i30_internal(struct v4l2_subdev *sd)
struct venc_state *venc = to_state(sd);
struct venc_platform_data *pdata = venc->pdata;
- if (pdata->setup_clock(VPBE_ENC_CUSTOM_TIMINGS, 74250000) < 0)
+ if (pdata->setup_clock(VPBE_ENC_DV_TIMINGS, 74250000) < 0)
return -EINVAL;
+ venc_enable_vpss_clock(venc->venc_type, VPBE_ENC_DV_TIMINGS, 74250000);
venc_enabledigitaloutput(sd, 0);
venc_write(sd, VENC_OSDCLK0, 0);
@@ -460,14 +503,14 @@ static int venc_s_dv_timings(struct v4l2_subdev *sd,
else if (height == 480)
return venc_set_480p59_94(sd);
else if ((height == 720) &&
- (venc->pdata->venc_type == VPBE_VERSION_2)) {
+ (venc->venc_type == VPBE_VERSION_2)) {
/* TBD setup internal 720p mode here */
ret = venc_set_720p60_internal(sd);
/* for DM365 VPBE, there is DAC inside */
vdaccfg_write(sd, VDAC_CONFIG_HD_V2);
return ret;
} else if ((height == 1080) &&
- (venc->pdata->venc_type == VPBE_VERSION_2)) {
+ (venc->venc_type == VPBE_VERSION_2)) {
/* TBD setup internal 1080i mode here */
ret = venc_set_1080i30_internal(sd);
/* for DM365 VPBE, there is DAC inside */
@@ -556,7 +599,7 @@ static int venc_device_get(struct device *dev, void *data)
struct platform_device *pdev = to_platform_device(dev);
struct venc_state **venc = data;
- if (strcmp(MODULE_NAME, pdev->name) == 0)
+ if (strstr(pdev->name, "vpbe-venc") != NULL)
*venc = platform_get_drvdata(pdev);
return 0;
@@ -593,101 +636,49 @@ EXPORT_SYMBOL(venc_sub_dev_init);
static int venc_probe(struct platform_device *pdev)
{
+ const struct platform_device_id *pdev_id;
struct venc_state *venc;
struct resource *res;
- int ret;
- venc = kzalloc(sizeof(struct venc_state), GFP_KERNEL);
+ if (!pdev->dev.platform_data) {
+ dev_err(&pdev->dev, "No platform data for VENC sub device");
+ return -EINVAL;
+ }
+
+ pdev_id = platform_get_device_id(pdev);
+ if (!pdev_id)
+ return -EINVAL;
+
+ venc = devm_kzalloc(&pdev->dev, sizeof(struct venc_state), GFP_KERNEL);
if (venc == NULL)
return -ENOMEM;
+ venc->venc_type = pdev_id->driver_data;
venc->pdev = &pdev->dev;
venc->pdata = pdev->dev.platform_data;
- if (NULL == venc->pdata) {
- dev_err(venc->pdev, "Unable to get platform data for"
- " VENC sub device");
- ret = -ENOENT;
- goto free_mem;
- }
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(venc->pdev,
- "Unable to get VENC register address map\n");
- ret = -ENODEV;
- goto free_mem;
- }
- if (!request_mem_region(res->start, resource_size(res), "venc")) {
- dev_err(venc->pdev, "Unable to reserve VENC MMIO region\n");
- ret = -ENODEV;
- goto free_mem;
- }
+ venc->venc_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(venc->venc_base))
+ return PTR_ERR(venc->venc_base);
- venc->venc_base = ioremap_nocache(res->start, resource_size(res));
- if (!venc->venc_base) {
- dev_err(venc->pdev, "Unable to map VENC IO space\n");
- ret = -ENODEV;
- goto release_venc_mem_region;
- }
-
- if (venc->pdata->venc_type != VPBE_VERSION_1) {
+ if (venc->venc_type != VPBE_VERSION_1) {
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!res) {
- dev_err(venc->pdev,
- "Unable to get VDAC_CONFIG address map\n");
- ret = -ENODEV;
- goto unmap_venc_io;
- }
-
- if (!request_mem_region(res->start,
- resource_size(res), "venc")) {
- dev_err(venc->pdev,
- "Unable to reserve VDAC_CONFIG MMIO region\n");
- ret = -ENODEV;
- goto unmap_venc_io;
- }
-
- venc->vdaccfg_reg = ioremap_nocache(res->start,
- resource_size(res));
- if (!venc->vdaccfg_reg) {
- dev_err(venc->pdev,
- "Unable to map VDAC_CONFIG IO space\n");
- ret = -ENODEV;
- goto release_vdaccfg_mem_region;
- }
+
+ venc->vdaccfg_reg = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(venc->vdaccfg_reg))
+ return PTR_ERR(venc->vdaccfg_reg);
}
spin_lock_init(&venc->lock);
platform_set_drvdata(pdev, venc);
dev_notice(venc->pdev, "VENC sub device probe success\n");
- return 0;
-release_vdaccfg_mem_region:
- release_mem_region(res->start, resource_size(res));
-unmap_venc_io:
- iounmap(venc->venc_base);
-release_venc_mem_region:
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, resource_size(res));
-free_mem:
- kfree(venc);
- return ret;
+ return 0;
}
static int venc_remove(struct platform_device *pdev)
{
- struct venc_state *venc = platform_get_drvdata(pdev);
- struct resource *res;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- iounmap((void *)venc->venc_base);
- release_mem_region(res->start, resource_size(res));
- if (venc->pdata->venc_type != VPBE_VERSION_1) {
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- iounmap((void *)venc->vdaccfg_reg);
- release_mem_region(res->start, resource_size(res));
- }
- kfree(venc);
-
return 0;
}
@@ -698,6 +689,7 @@ static struct platform_driver venc_driver = {
.name = MODULE_NAME,
.owner = THIS_MODULE,
},
+ .id_table = vpbe_venc_devtype
};
module_platform_driver(venc_driver);