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OMAPDSS: DSI: Maintain copy of pixel format in driver data

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The DSI driver currently relies on the omap_dss_device struct to receive the
desired pixel format of the panel. This makes the DSI interface driver dependent
on the omap_dss_device struct.

Make the DSI driver data maintain it's own pixel format field. The panel driver
is expected to call omapdss_dsi_set_pixel_format() to configure the pixel format
before the interface is enabled.

Signed-off-by: Archit Taneja <archit@ti.com>
This commit is contained in:
Archit Taneja 2012-08-10 15:01:33 +05:30
parent 6ff9dd5a6f
commit 02c3960b1e
3 changed files with 28 additions and 9 deletions
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1
drivers/video/omap2/displays/panel-taal.c
View file

@ -1062,6 +1062,7 @@ static int taal_power_on(struct omap_dss_device *dssdev)
omapdss_dsi_set_size(dssdev, dssdev->panel.timings.x_res,
dssdev->panel.timings.y_res);
omapdss_dsi_set_pixel_format(dssdev, OMAP_DSS_DSI_FMT_RGB888);
r = omapdss_dsi_display_enable(dssdev);
if (r) {

34
drivers/video/omap2/dss/dsi.c
View file

@ -334,6 +334,7 @@ struct dsi_data {
struct dss_lcd_mgr_config mgr_config;
struct omap_video_timings timings;
enum omap_dss_dsi_pixel_format pix_fmt;
};
struct dsi_packet_sent_handler_data {
@ -3612,7 +3613,7 @@ static void dsi_config_vp_num_line_buffers(struct omap_dss_device *dssdev)
if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
int bpp = dsi_get_pixel_size(dsi->pix_fmt);
unsigned line_buf_size = dsi_get_line_buf_size(dsidev);
struct omap_video_timings *timings = &dsi->timings;
/*
@ -3744,7 +3745,7 @@ static void dsi_config_cmd_mode_interleaving(struct omap_dss_device *dssdev)
int tclk_trail, ths_exit, exiths_clk;
bool ddr_alwon;
struct omap_video_timings *timings = &dsi->timings;
int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
int bpp = dsi_get_pixel_size(dsi->pix_fmt);
int ndl = dsi->num_lanes_used - 1;
int dsi_fclk_hsdiv = dssdev->clocks.dsi.regm_dsi + 1;
int hsa_interleave_hs = 0, hsa_interleave_lp = 0;
@ -3854,6 +3855,7 @@ static void dsi_config_cmd_mode_interleaving(struct omap_dss_device *dssdev)
static int dsi_proto_config(struct omap_dss_device *dssdev)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
u32 r;
int buswidth = 0;
@ -3873,7 +3875,7 @@ static int dsi_proto_config(struct omap_dss_device *dssdev)
dsi_set_lp_rx_timeout(dsidev, 0x1fff, true, true);
dsi_set_hs_tx_timeout(dsidev, 0x1fff, true, true);
switch (dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt)) {
switch (dsi_get_pixel_size(dsi->pix_fmt)) {
case 16:
buswidth = 0;
break;
@ -3997,7 +3999,7 @@ static void dsi_proto_timings(struct omap_dss_device *dssdev)
int window_sync = dssdev->panel.dsi_vm_data.window_sync;
bool hsync_end = dssdev->panel.dsi_vm_data.vp_hsync_end;
struct omap_video_timings *timings = &dsi->timings;
int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
int bpp = dsi_get_pixel_size(dsi->pix_fmt);
int tl, t_he, width_bytes;
t_he = hsync_end ?
@ -4106,13 +4108,13 @@ int dsi_enable_video_output(struct omap_dss_device *dssdev, int channel)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
int bpp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
int bpp = dsi_get_pixel_size(dsi->pix_fmt);
u8 data_type;
u16 word_count;
int r;
if (dssdev->panel.dsi_mode == OMAP_DSS_DSI_VIDEO_MODE) {
switch (dssdev->panel.dsi_pix_fmt) {
switch (dsi->pix_fmt) {
case OMAP_DSS_DSI_FMT_RGB888:
data_type = MIPI_DSI_PACKED_PIXEL_STREAM_24;
break;
@ -4199,7 +4201,7 @@ static void dsi_update_screen_dispc(struct omap_dss_device *dssdev)
dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_VP);
bytespp = dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) / 8;
bytespp = dsi_get_pixel_size(dsi->pix_fmt) / 8;
bytespl = w * bytespp;
bytespf = bytespl * h;
@ -4336,7 +4338,7 @@ int omap_dsi_update(struct omap_dss_device *dssdev, int channel,
#ifdef DEBUG
dsi->update_bytes = dw * dh *
dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt) / 8;
dsi_get_pixel_size(dsi->pix_fmt) / 8;
#endif
dsi_update_screen_dispc(dssdev);
@ -4420,7 +4422,7 @@ static int dsi_display_init_dispc(struct omap_dss_device *dssdev)
dsi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
dsi->mgr_config.video_port_width =
dsi_get_pixel_size(dssdev->panel.dsi_pix_fmt);
dsi_get_pixel_size(dsi->pix_fmt);
dsi->mgr_config.lcden_sig_polarity = 0;
dss_mgr_set_lcd_config(dssdev->manager, &dsi->mgr_config);
@ -4679,6 +4681,20 @@ void omapdss_dsi_set_size(struct omap_dss_device *dssdev, u16 w, u16 h)
}
EXPORT_SYMBOL(omapdss_dsi_set_size);
void omapdss_dsi_set_pixel_format(struct omap_dss_device *dssdev,
enum omap_dss_dsi_pixel_format fmt)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
mutex_lock(&dsi->lock);
dsi->pix_fmt = fmt;
mutex_unlock(&dsi->lock);
}
EXPORT_SYMBOL(omapdss_dsi_set_pixel_format);
static int __init dsi_init_display(struct omap_dss_device *dssdev)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);

2
include/video/omapdss.h
View file

@ -722,6 +722,8 @@ int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable);
void omapdss_dsi_set_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings);
void omapdss_dsi_set_size(struct omap_dss_device *dssdev, u16 w, u16 h);
void omapdss_dsi_set_pixel_format(struct omap_dss_device *dssdev,
enum omap_dss_dsi_pixel_format fmt);
int omap_dsi_update(struct omap_dss_device *dssdev, int channel,
void (*callback)(int, void *), void *data);