diff options
| author | Jason Chen <b02280@freescale.com> | 2009-12-17 18:58:56 +0800 |
|---|---|---|
| committer | Alejandro Gonzalez <alex.gonzalez@digi.com> | 2010-02-12 17:19:48 +0100 |
| commit | 30b2498389fd3cec96c452cfc70874df12413188 (patch) | |
| tree | 58e9e8ae96026106be0962d0c2aafeb17ff883a8 /drivers/video/mxc/tve.c | |
| parent | 7743087a5abd2ad3b64c3eff2be5907191966684 (diff) | |
ENGR00119274 TVE: HDTV can not work
1.arrange display port according to choice of different display device
2.for ipu_disp.c: not round pixel clock to even for tvout.
3.cmdline "hdtv" enable 720P, "hdtv=2" enable 720P as primary.
Signed-off-by: Jason Chen <b02280@freescale.com>
Diffstat (limited to 'drivers/video/mxc/tve.c')
| -rw-r--r-- | drivers/video/mxc/tve.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/video/mxc/tve.c b/drivers/video/mxc/tve.c index 061d65a7cd20..74c98521bfc1 100644 --- a/drivers/video/mxc/tve.c +++ b/drivers/video/mxc/tve.c @@ -221,8 +221,8 @@ static int tve_setup(int mode) { u32 reg; struct clk *pll3_clk; - unsigned long pll3_clock_rate = 216000000; - struct clk *ipu_di0_clk; + unsigned long pll3_clock_rate = 216000000, di1_clock_rate = 27000000; + struct clk *ipu_di1_clk; if (tve.cur_mode == mode) return 0; @@ -233,25 +233,23 @@ static int tve_setup(int mode) case TVOUT_FMT_PAL: case TVOUT_FMT_NTSC: pll3_clock_rate = 216000000; + di1_clock_rate = 27000000; break; case TVOUT_FMT_720P60: pll3_clock_rate = 297000000; + di1_clock_rate = 74250000; break; } if (enabled) clk_disable(tve.clk); pll3_clk = clk_get(NULL, "pll3"); - ipu_di0_clk = clk_get(NULL, "ipu_di0_clk"); - if ((clk_get_parent(ipu_di0_clk) == pll3_clk) && - (clk_get_rate(pll3_clk) != pll3_clock_rate)) { - printk(KERN_INFO "Cannot setup TV since display is using PLL3\n"); - return -EINVAL; - } + ipu_di1_clk = clk_get(NULL, "ipu_di1_clk"); clk_disable(pll3_clk); clk_set_rate(pll3_clk, pll3_clock_rate); clk_enable(pll3_clk); + clk_set_rate(ipu_di1_clk, di1_clock_rate); clk_enable(tve.clk); @@ -616,6 +614,7 @@ static int _tve_get_revision(void) return rev; } +extern int g_di1_tvout; static int tve_probe(struct platform_device *pdev) { int ret, i; @@ -623,6 +622,11 @@ static int tve_probe(struct platform_device *pdev) struct tve_platform_data *plat_data = pdev->dev.platform_data; u32 conf_reg; + if (!g_di1_tvout) { + pr_debug("TVE: DI1 was occupied by other device,TVE will not enable\n"); + return -EBUSY; + } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res == NULL) return -ENOMEM; |