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yaml
---
r: 271395
b: refs/heads/master
c: 6ff8aa3
h: refs/heads/master
i:
  271393: f4c1047
  271391: ef59c5f
v: v3
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Archit Taneja authored and Tomi Valkeinen committed Sep 30, 2011
1 parent 0d9891f commit b240720
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Showing 4 changed files with 88 additions and 15 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 7e951ee9955f3df0c41e523a199cc3b9372cdb9f
refs/heads/master: 6ff8aa3182db248db4d91e574254316025c0243c
84 changes: 72 additions & 12 deletions trunk/drivers/video/omap2/dss/dsi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3065,38 +3065,60 @@ int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel)
}
EXPORT_SYMBOL(dsi_vc_send_null);

int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
u8 *data, int len)
static int dsi_vc_write_nosync_common(struct omap_dss_device *dssdev,
int channel, u8 *data, int len, enum dss_dsi_content_type type)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
int r;

BUG_ON(len == 0);

if (len == 1) {
if (len == 0) {
BUG_ON(type == DSS_DSI_CONTENT_DCS);
r = dsi_vc_send_short(dsidev, channel,
MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM, 0, 0);
} else if (len == 1) {
r = dsi_vc_send_short(dsidev, channel,
type == DSS_DSI_CONTENT_GENERIC ?
MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM :
MIPI_DSI_DCS_SHORT_WRITE, data[0], 0);
} else if (len == 2) {
r = dsi_vc_send_short(dsidev, channel,
type == DSS_DSI_CONTENT_GENERIC ?
MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM :
MIPI_DSI_DCS_SHORT_WRITE_PARAM,
data[0] | (data[1] << 8), 0);
} else {
/* 0x39 = DCS Long Write */
r = dsi_vc_send_long(dsidev, channel, MIPI_DSI_DCS_LONG_WRITE,
data, len, 0);
r = dsi_vc_send_long(dsidev, channel,
type == DSS_DSI_CONTENT_GENERIC ?
MIPI_DSI_GENERIC_LONG_WRITE :
MIPI_DSI_DCS_LONG_WRITE, data, len, 0);
}

return r;
}

int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
u8 *data, int len)
{
return dsi_vc_write_nosync_common(dssdev, channel, data, len,
DSS_DSI_CONTENT_DCS);
}
EXPORT_SYMBOL(dsi_vc_dcs_write_nosync);

int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
int len)
int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,
u8 *data, int len)
{
return dsi_vc_write_nosync_common(dssdev, channel, data, len,
DSS_DSI_CONTENT_GENERIC);
}
EXPORT_SYMBOL(dsi_vc_generic_write_nosync);

static int dsi_vc_write_common(struct omap_dss_device *dssdev, int channel,
u8 *data, int len, enum dss_dsi_content_type type)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
int r;

r = dsi_vc_dcs_write_nosync(dssdev, channel, data, len);
r = dsi_vc_write_nosync_common(dssdev, channel, data, len, type);
if (r)
goto err;

Expand All @@ -3114,18 +3136,39 @@ int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,

return 0;
err:
DSSERR("dsi_vc_dcs_write(ch %d, cmd 0x%02x, len %d) failed\n",
DSSERR("dsi_vc_write_common(ch %d, cmd 0x%02x, len %d) failed\n",
channel, data[0], len);
return r;
}

int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
int len)
{
return dsi_vc_write_common(dssdev, channel, data, len,
DSS_DSI_CONTENT_DCS);
}
EXPORT_SYMBOL(dsi_vc_dcs_write);

int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, u8 *data,
int len)
{
return dsi_vc_write_common(dssdev, channel, data, len,
DSS_DSI_CONTENT_GENERIC);
}
EXPORT_SYMBOL(dsi_vc_generic_write);

int dsi_vc_dcs_write_0(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd)
{
return dsi_vc_dcs_write(dssdev, channel, &dcs_cmd, 1);
}
EXPORT_SYMBOL(dsi_vc_dcs_write_0);

int dsi_vc_generic_write_0(struct omap_dss_device *dssdev, int channel)
{
return dsi_vc_generic_write(dssdev, channel, NULL, 0);
}
EXPORT_SYMBOL(dsi_vc_generic_write_0);

int dsi_vc_dcs_write_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
u8 param)
{
Expand All @@ -3136,6 +3179,23 @@ int dsi_vc_dcs_write_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
}
EXPORT_SYMBOL(dsi_vc_dcs_write_1);

int dsi_vc_generic_write_1(struct omap_dss_device *dssdev, int channel,
u8 param)
{
return dsi_vc_generic_write(dssdev, channel, &param, 1);
}
EXPORT_SYMBOL(dsi_vc_generic_write_1);

int dsi_vc_generic_write_2(struct omap_dss_device *dssdev, int channel,
u8 param1, u8 param2)
{
u8 buf[2];
buf[0] = param1;
buf[1] = param2;
return dsi_vc_generic_write(dssdev, channel, buf, 2);
}
EXPORT_SYMBOL(dsi_vc_generic_write_2);

int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
u8 *buf, int buflen)
{
Expand Down
5 changes: 5 additions & 0 deletions trunk/drivers/video/omap2/dss/dss.h
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,11 @@ enum dss_hdmi_venc_clk_source_select {
DSS_HDMI_M_PCLK = 1,
};

enum dss_dsi_content_type {
DSS_DSI_CONTENT_DCS,
DSS_DSI_CONTENT_GENERIC,
};

struct dss_clock_info {
/* rates that we get with dividers below */
unsigned long fck;
Expand Down
12 changes: 10 additions & 2 deletions trunk/include/video/omapdss.h
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Original file line number Diff line number Diff line change
Expand Up @@ -225,12 +225,20 @@ void dsi_bus_lock(struct omap_dss_device *dssdev);
void dsi_bus_unlock(struct omap_dss_device *dssdev);
int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,
int len);
int dsi_vc_dcs_write_0(struct omap_dss_device *dssdev, int channel,
u8 dcs_cmd);
int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, u8 *data,
int len);
int dsi_vc_dcs_write_0(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd);
int dsi_vc_generic_write_0(struct omap_dss_device *dssdev, int channel);
int dsi_vc_dcs_write_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
u8 param);
int dsi_vc_generic_write_1(struct omap_dss_device *dssdev, int channel,
u8 param);
int dsi_vc_generic_write_2(struct omap_dss_device *dssdev, int channel,
u8 param1, u8 param2);
int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,
u8 *data, int len);
int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,
u8 *data, int len);
int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
u8 *buf, int buflen);
int dsi_vc_dcs_read_1(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,
Expand Down

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