openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

OMAP: DSS2: Change remaining DISPC functions for new omap_channel argument 

The following dispc functions are also changed to incorporate channel as an argument:
	-dispc_lclk_rate()
	-dispc_pclk_rate()
	-dispc_set_pol_freq()
	-dispc_set_clock_div()
	-dispc_get_clock_div()

Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Mukund Mittal <mmittal@ti.com>
Signed-off-by: Samreen <samreen@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
[tomi.valkeinen@nokia.com: fixed trivial compile error]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
This commit is contained in:
Sumit Semwal 2010-12-02 11:27:11 +00:00 committed by Tomi Valkeinen
parent 64ba4f748a
commit ff1b2cde3f
5 changed files with 68 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
drivers/video/omap2/dss/dispc.c
View File

@ -1444,12 +1444,13 @@ static void calc_dma_rotation_offset(u8 rotation, bool mirror,
}
}
static unsigned long calc_fclk_five_taps(u16 width, u16 height,
u16 out_width, u16 out_height, enum omap_color_mode color_mode)
static unsigned long calc_fclk_five_taps(enum omap_channel channel, u16 width,
u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode)
{
u32 fclk = 0;
/* FIXME venc pclk? */
u64 tmp, pclk = dispc_pclk_rate();
u64 tmp, pclk = dispc_pclk_rate(channel);
if (height > out_height) {
/* FIXME get real display PPL */
@ -1481,8 +1482,8 @@ static unsigned long calc_fclk_five_taps(u16 width, u16 height,
return fclk;
}
static unsigned long calc_fclk(u16 width, u16 height,
u16 out_width, u16 out_height)
static unsigned long calc_fclk(enum omap_channel channel, u16 width,
u16 height, u16 out_width, u16 out_height)
{
unsigned int hf, vf;
@ -1506,7 +1507,7 @@ static unsigned long calc_fclk(u16 width, u16 height,
vf = 1;
/* FIXME venc pclk? */
return dispc_pclk_rate() * vf * hf;
return dispc_pclk_rate(channel) * vf * hf;
}
void dispc_set_channel_out(enum omap_plane plane, enum omap_channel channel_out)
@ -1582,7 +1583,7 @@ static int _dispc_setup_plane(enum omap_plane plane,
five_taps = height > out_height * 2;
if (!five_taps) {
fclk = calc_fclk(width, height,
fclk = calc_fclk(OMAP_DSS_CHANNEL_LCD, width, height,
out_width, out_height);
/* Try 5-tap filter if 3-tap fclk is too high */
@ -1597,8 +1598,9 @@ static int _dispc_setup_plane(enum omap_plane plane,
}
if (five_taps)
fclk = calc_fclk_five_taps(width, height,
out_width, out_height, color_mode);
fclk = calc_fclk_five_taps(OMAP_DSS_CHANNEL_LCD, width,
height, out_width, out_height,
color_mode);
DSSDBG("required fclk rate = %lu Hz\n", fclk);
DSSDBG("current fclk rate = %lu Hz\n", dispc_fclk_rate());
@ -2155,13 +2157,14 @@ void dispc_set_lcd_timings(enum omap_channel channel,
DSSDBG("hsync %luHz, vsync %luHz\n", ht, vt);
}
static void dispc_set_lcd_divisor(u16 lck_div, u16 pck_div)
static void dispc_set_lcd_divisor(enum omap_channel channel, u16 lck_div,
u16 pck_div)
{
BUG_ON(lck_div < 1);
BUG_ON(pck_div < 2);
enable_clocks(1);
dispc_write_reg(DISPC_DIVISOR(OMAP_DSS_CHANNEL_LCD),
dispc_write_reg(DISPC_DIVISOR(channel),
FLD_VAL(lck_div, 23, 16) | FLD_VAL(pck_div, 7, 0));
enable_clocks(0);
}
@ -2189,13 +2192,13 @@ unsigned long dispc_fclk_rate(void)
return r;
}
unsigned long dispc_lclk_rate(void)
unsigned long dispc_lclk_rate(enum omap_channel channel)
{
int lcd;
unsigned long r;
u32 l;
l = dispc_read_reg(DISPC_DIVISOR(OMAP_DSS_CHANNEL_LCD));
l = dispc_read_reg(DISPC_DIVISOR(channel));
lcd = FLD_GET(l, 23, 16);
@ -2204,13 +2207,13 @@ unsigned long dispc_lclk_rate(void)
return r / lcd;
}
unsigned long dispc_pclk_rate(void)
unsigned long dispc_pclk_rate(enum omap_channel channel)
{
int lcd, pcd;
unsigned long r;
u32 l;
l = dispc_read_reg(DISPC_DIVISOR(OMAP_DSS_CHANNEL_LCD));
l = dispc_read_reg(DISPC_DIVISOR(channel));
lcd = FLD_GET(l, 23, 16);
pcd = FLD_GET(l, 7, 0);
@ -2235,8 +2238,10 @@ void dispc_dump_clocks(struct seq_file *s)
"dss1_alwon_fclk" : "dsi1_pll_fclk");
seq_printf(s, "fck\t\t%-16lu\n", dispc_fclk_rate());
seq_printf(s, "lck\t\t%-16lulck div\t%u\n", dispc_lclk_rate(), lcd);
seq_printf(s, "pck\t\t%-16lupck div\t%u\n", dispc_pclk_rate(), pcd);
seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
dispc_lclk_rate(OMAP_DSS_CHANNEL_LCD), lcd);
seq_printf(s, "pck\t\t%-16lupck div\t%u\n",
dispc_pclk_rate(OMAP_DSS_CHANNEL_LCD), pcd);
enable_clocks(0);
}
@ -2428,8 +2433,8 @@ void dispc_dump_regs(struct seq_file *s)
#undef DUMPREG
}
static void _dispc_set_pol_freq(bool onoff, bool rf, bool ieo, bool ipc,
bool ihs, bool ivs, u8 acbi, u8 acb)
static void _dispc_set_pol_freq(enum omap_channel channel, bool onoff, bool rf,
bool ieo, bool ipc, bool ihs, bool ivs, u8 acbi, u8 acb)
{
u32 l = 0;
@ -2446,13 +2451,14 @@ static void _dispc_set_pol_freq(bool onoff, bool rf, bool ieo, bool ipc,
l |= FLD_VAL(acb, 7, 0);
enable_clocks(1);
dispc_write_reg(DISPC_POL_FREQ(OMAP_DSS_CHANNEL_LCD), l);
dispc_write_reg(DISPC_POL_FREQ(channel), l);
enable_clocks(0);
}
void dispc_set_pol_freq(enum omap_panel_config config, u8 acbi, u8 acb)
void dispc_set_pol_freq(enum omap_channel channel,
enum omap_panel_config config, u8 acbi, u8 acb)
{
_dispc_set_pol_freq((config & OMAP_DSS_LCD_ONOFF) != 0,
_dispc_set_pol_freq(channel, (config & OMAP_DSS_LCD_ONOFF) != 0,
(config & OMAP_DSS_LCD_RF) != 0,
(config & OMAP_DSS_LCD_IEO) != 0,
(config & OMAP_DSS_LCD_IPC) != 0,
@ -2521,24 +2527,26 @@ int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
return 0;
}
int dispc_set_clock_div(struct dispc_clock_info *cinfo)
int dispc_set_clock_div(enum omap_channel channel,
struct dispc_clock_info *cinfo)
{
DSSDBG("lck = %lu (%u)\n", cinfo->lck, cinfo->lck_div);
DSSDBG("pck = %lu (%u)\n", cinfo->pck, cinfo->pck_div);
dispc_set_lcd_divisor(cinfo->lck_div, cinfo->pck_div);
dispc_set_lcd_divisor(channel, cinfo->lck_div, cinfo->pck_div);
return 0;
}
int dispc_get_clock_div(struct dispc_clock_info *cinfo)
int dispc_get_clock_div(enum omap_channel channel,
struct dispc_clock_info *cinfo)
{
unsigned long fck;
fck = dispc_fclk_rate();
cinfo->lck_div = REG_GET(DISPC_DIVISOR(OMAP_DSS_CHANNEL_LCD), 23, 16);
cinfo->pck_div = REG_GET(DISPC_DIVISOR(OMAP_DSS_CHANNEL_LCD), 7, 0);
cinfo->lck_div = REG_GET(DISPC_DIVISOR(channel), 23, 16);
cinfo->pck_div = REG_GET(DISPC_DIVISOR(channel), 7, 0);
cinfo->lck = fck / cinfo->lck_div;
cinfo->pck = cinfo->lck / cinfo->pck_div;

26
drivers/video/omap2/dss/dpi.c
View File

@ -40,8 +40,9 @@ static struct {
} dpi;
#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
static int dpi_set_dsi_clk(bool is_tft, unsigned long pck_req,
unsigned long *fck, int *lck_div, int *pck_div)
static int dpi_set_dsi_clk(struct omap_dss_device *dssdev, bool is_tft,
unsigned long pck_req, unsigned long *fck, int *lck_div,
int *pck_div)
{
struct dsi_clock_info dsi_cinfo;
struct dispc_clock_info dispc_cinfo;
@ -58,7 +59,7 @@ static int dpi_set_dsi_clk(bool is_tft, unsigned long pck_req,
dss_select_dispc_clk_source(DSS_SRC_DSI1_PLL_FCLK);
r = dispc_set_clock_div(&dispc_cinfo);
r = dispc_set_clock_div(dssdev->manager->id, &dispc_cinfo);
if (r)
return r;
@ -69,8 +70,9 @@ static int dpi_set_dsi_clk(bool is_tft, unsigned long pck_req,
return 0;
}
#else
static int dpi_set_dispc_clk(bool is_tft, unsigned long pck_req,
unsigned long *fck, int *lck_div, int *pck_div)
static int dpi_set_dispc_clk(struct omap_dss_device *dssdev, bool is_tft,
unsigned long pck_req, unsigned long *fck, int *lck_div,
int *pck_div)
{
struct dss_clock_info dss_cinfo;
struct dispc_clock_info dispc_cinfo;
@ -84,7 +86,7 @@ static int dpi_set_dispc_clk(bool is_tft, unsigned long pck_req,
if (r)
return r;
r = dispc_set_clock_div(&dispc_cinfo);
r = dispc_set_clock_div(dssdev->manager->id, &dispc_cinfo);
if (r)
return r;
@ -107,17 +109,17 @@ static int dpi_set_mode(struct omap_dss_device *dssdev)
dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);
dispc_set_pol_freq(dssdev->panel.config, dssdev->panel.acbi,
dssdev->panel.acb);
dispc_set_pol_freq(dssdev->manager->id, dssdev->panel.config,
dssdev->panel.acbi, dssdev->panel.acb);
is_tft = (dssdev->panel.config & OMAP_DSS_LCD_TFT) != 0;
#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
r = dpi_set_dsi_clk(is_tft, t->pixel_clock * 1000,
&fck, &lck_div, &pck_div);
r = dpi_set_dsi_clk(dssdev, is_tft, t->pixel_clock * 1000, &fck,
&lck_div, &pck_div);
#else
r = dpi_set_dispc_clk(is_tft, t->pixel_clock * 1000,
&fck, &lck_div, &pck_div);
r = dpi_set_dispc_clk(dssdev, is_tft, t->pixel_clock * 1000, &fck,
&lck_div, &pck_div);
#endif
if (r)
goto err0;

13
drivers/video/omap2/dss/dsi.c
View File

@ -792,7 +792,8 @@ static int dsi_pll_power(enum dsi_pll_power_state state)
}
/* calculate clock rates using dividers in cinfo */
static int dsi_calc_clock_rates(struct dsi_clock_info *cinfo)
static int dsi_calc_clock_rates(struct omap_dss_device *dssdev,
struct dsi_clock_info *cinfo)
{
if (cinfo->regn == 0 || cinfo->regn > REGN_MAX)
return -EINVAL;
@ -812,7 +813,7 @@ static int dsi_calc_clock_rates(struct dsi_clock_info *cinfo)
* with DSS2_FCK source also */
cinfo->highfreq = 0;
} else {
cinfo->clkin = dispc_pclk_rate();
cinfo->clkin = dispc_pclk_rate(dssdev->manager->id);
if (cinfo->clkin < 32000000)
cinfo->highfreq = 0;
@ -1206,8 +1207,8 @@ void dsi_dump_clocks(struct seq_file *s)
seq_printf(s, "VP_CLK\t\t%lu\n"
"VP_PCLK\t\t%lu\n",
dispc_lclk_rate(),
dispc_pclk_rate());
dispc_lclk_rate(OMAP_DSS_CHANNEL_LCD),
dispc_pclk_rate(OMAP_DSS_CHANNEL_LCD));
enable_clocks(0);
}
@ -2989,7 +2990,7 @@ static int dsi_configure_dsi_clocks(struct omap_dss_device *dssdev)
cinfo.regm = dssdev->phy.dsi.div.regm;
cinfo.regm3 = dssdev->phy.dsi.div.regm3;
cinfo.regm4 = dssdev->phy.dsi.div.regm4;
r = dsi_calc_clock_rates(&cinfo);
r = dsi_calc_clock_rates(dssdev, &cinfo);
if (r) {
DSSERR("Failed to calc dsi clocks\n");
return r;
@ -3021,7 +3022,7 @@ static int dsi_configure_dispc_clocks(struct omap_dss_device *dssdev)
return r;
}
r = dispc_set_clock_div(&dispc_cinfo);
r = dispc_set_clock_div(dssdev->manager->id, &dispc_cinfo);
if (r) {
DSSERR("Failed to set dispc clocks\n");
return r;

13
drivers/video/omap2/dss/dss.h
View File

@ -393,15 +393,18 @@ bool dispc_lcd_timings_ok(struct omap_video_timings *timings);
void dispc_set_lcd_timings(enum omap_channel channel,
struct omap_video_timings *timings);
unsigned long dispc_fclk_rate(void);
unsigned long dispc_lclk_rate(void);
unsigned long dispc_pclk_rate(void);
void dispc_set_pol_freq(enum omap_panel_config config, u8 acbi, u8 acb);
unsigned long dispc_lclk_rate(enum omap_channel channel);
unsigned long dispc_pclk_rate(enum omap_channel channel);
void dispc_set_pol_freq(enum omap_channel channel,
enum omap_panel_config config, u8 acbi, u8 acb);
void dispc_find_clk_divs(bool is_tft, unsigned long req_pck, unsigned long fck,
struct dispc_clock_info *cinfo);
int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
struct dispc_clock_info *cinfo);
int dispc_set_clock_div(struct dispc_clock_info *cinfo);
int dispc_get_clock_div(struct dispc_clock_info *cinfo);
int dispc_set_clock_div(enum omap_channel channel,
struct dispc_clock_info *cinfo);
int dispc_get_clock_div(enum omap_channel channel,
struct dispc_clock_info *cinfo);
/* VENC */

8
drivers/video/omap2/dss/sdi.c
View File

@ -77,15 +77,15 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
/* 15.5.9.1.2 */
dssdev->panel.config |= OMAP_DSS_LCD_RF | OMAP_DSS_LCD_ONOFF;
dispc_set_pol_freq(dssdev->panel.config, dssdev->panel.acbi,
dssdev->panel.acb);
dispc_set_pol_freq(dssdev->manager->id, dssdev->panel.config,
dssdev->panel.acbi, dssdev->panel.acb);
if (!sdi.skip_init) {
r = dss_calc_clock_div(1, t->pixel_clock * 1000,
&dss_cinfo, &dispc_cinfo);
} else {
r = dss_get_clock_div(&dss_cinfo);
r = dispc_get_clock_div(&dispc_cinfo);
r = dispc_get_clock_div(dssdev->manager->id, &dispc_cinfo);
}
if (r)
@ -112,7 +112,7 @@ int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
if (r)
goto err2;
r = dispc_set_clock_div(&dispc_cinfo);
r = dispc_set_clock_div(dssdev->manager->id, &dispc_cinfo);
if (r)
goto err2;