diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/omap2/dss/dsi.c | 84 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss.h | 5 |
2 files changed, 77 insertions, 12 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index d3bffe8b2a3..bb5588932b0 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -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; @@ -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) { @@ -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, ¶m, 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) { diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index a095a62c64e..3ec8dd7066a 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -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; |