Pandora Sourcecodes - openembedded.git/blob

   1 From 832b763db235da8e62f7b6ab02bcb8ad6bcb7a01 Mon Sep 17 00:00:00 2001
   2 From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
   3 Date: Thu, 2 Apr 2009 16:48:41 +0300
   4 Subject: [PATCH 14/69] DSS2: Add function to get DSS logic clock rate
   5
   6 ---
   7  drivers/video/omap2/dss/dispc.c |   15 +++++++++++++++
   8  drivers/video/omap2/dss/dss.h   |    1 +
   9  2 files changed, 16 insertions(+), 0 deletions(-)
  10
  11 diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
  12 index 2480a03..1bc23f7 100644
  13 --- a/drivers/video/omap2/dss/dispc.c
  14 +++ b/drivers/video/omap2/dss/dispc.c
  15 @@ -1850,6 +1850,21 @@ unsigned long dispc_fclk_rate(void)
  16         return r;
  17  }
  18
  19 +unsigned long dispc_lclk_rate(void)
  20 +{
  21 +       int lcd;
  22 +       unsigned long r;
  23 +       u32 l;
  24 +
  25 +       l = dispc_read_reg(DISPC_DIVISOR);
  26 +
  27 +       lcd = FLD_GET(l, 23, 16);
  28 +
  29 +       r = dispc_fclk_rate();
  30 +
  31 +       return r / lcd;
  32 +}
  33 +
  34  unsigned long dispc_pclk_rate(void)
  35  {
  36         int lcd, pcd;
  37 diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
  38 index bac5ece..0be42b6 100644
  39 --- a/drivers/video/omap2/dss/dss.h
  40 +++ b/drivers/video/omap2/dss/dss.h
  41 @@ -294,6 +294,7 @@ bool dispc_trans_key_enabled(enum omap_channel ch);
  42
  43  void dispc_set_lcd_timings(struct omap_video_timings *timings);
  44  unsigned long dispc_fclk_rate(void);
  45 +unsigned long dispc_lclk_rate(void);
  46  unsigned long dispc_pclk_rate(void);
  47  void dispc_set_pol_freq(struct omap_panel *panel);
  48  void find_lck_pck_divs(bool is_tft, unsigned long req_pck, unsigned long fck,
  49 --
  50 1.6.2.4
  51