diff options
Diffstat (limited to 'drivers/video/omap2/dss/dispc.c')
-rw-r--r-- | drivers/video/omap2/dss/dispc.c | 62 |
1 files changed, 35 insertions, 27 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 7ca53c100419..5dfdf0ba409d 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -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; |