diff options
Diffstat (limited to 'drivers/media/i2c/saa7115.c')
-rw-r--r-- | drivers/media/i2c/saa7115.c | 80 |
1 files changed, 46 insertions, 34 deletions
diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c index 6b6788cd08f..52c717d977c 100644 --- a/drivers/media/i2c/saa7115.c +++ b/drivers/media/i2c/saa7115.c @@ -83,9 +83,10 @@ struct saa711x_state { u32 ident; u32 audclk_freq; u32 crystal_freq; - u8 ucgc; + bool ucgc; u8 cgcdiv; - u8 apll; + bool apll; + bool double_asclk; }; static inline struct saa711x_state *to_state(struct v4l2_subdev *sd) @@ -732,8 +733,12 @@ static int saa711x_s_clock_freq(struct v4l2_subdev *sd, u32 freq) if (state->apll) acc |= 0x08; + if (state->double_asclk) { + acpf <<= 1; + acni <<= 1; + } saa711x_write(sd, R_38_CLK_RATIO_AMXCLK_TO_ASCLK, 0x03); - saa711x_write(sd, R_39_CLK_RATIO_ASCLK_TO_ALRCLK, 0x10); + saa711x_write(sd, R_39_CLK_RATIO_ASCLK_TO_ALRCLK, 0x10 << state->double_asclk); saa711x_write(sd, R_3A_AUD_CLK_GEN_BASIC_SETUP, acc); saa711x_write(sd, R_30_AUD_MAST_CLK_CYCLES_PER_FIELD, acpf & 0xff); @@ -1259,6 +1264,12 @@ static int saa711x_s_routing(struct v4l2_subdev *sd, (saa711x_read(sd, R_83_X_PORT_I_O_ENA_AND_OUT_CLK) & 0xfe) | (state->output & 0x01)); } + if (state->ident > V4L2_IDENT_SAA7111A) { + if (config & SAA7115_IDQ_IS_DEFAULT) + saa711x_write(sd, R_85_I_PORT_SIGNAL_POLAR, 0x20); + else + saa711x_write(sd, R_85_I_PORT_SIGNAL_POLAR, 0x21); + } return 0; } @@ -1296,9 +1307,10 @@ static int saa711x_s_crystal_freq(struct v4l2_subdev *sd, u32 freq, u32 flags) if (freq != SAA7115_FREQ_32_11_MHZ && freq != SAA7115_FREQ_24_576_MHZ) return -EINVAL; state->crystal_freq = freq; + state->double_asclk = flags & SAA7115_FREQ_FL_DOUBLE_ASCLK; state->cgcdiv = (flags & SAA7115_FREQ_FL_CGCDIV) ? 3 : 4; - state->ucgc = (flags & SAA7115_FREQ_FL_UCGC) ? 1 : 0; - state->apll = (flags & SAA7115_FREQ_FL_APLL) ? 1 : 0; + state->ucgc = flags & SAA7115_FREQ_FL_UCGC; + state->apll = flags & SAA7115_FREQ_FL_APLL; saa711x_s_clock_freq(sd, state->audclk_freq); return 0; } @@ -1354,6 +1366,34 @@ static int saa711x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) */ reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC); + + if (state->ident == V4L2_IDENT_SAA7115) { + reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC); + + v4l2_dbg(1, debug, sd, "Status byte 1 (0x1e)=0x%02x\n", reg1e); + + switch (reg1e & 0x03) { + case 1: + *std &= V4L2_STD_NTSC; + break; + case 2: + /* + * V4L2_STD_PAL just cover the european PAL standards. + * This is wrong, as the device could also be using an + * other PAL standard. + */ + *std &= V4L2_STD_PAL | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | + V4L2_STD_PAL_M | V4L2_STD_PAL_60; + break; + case 3: + *std &= V4L2_STD_SECAM; + break; + default: + /* Can't detect anything */ + break; + } + } + v4l2_dbg(1, debug, sd, "Status byte 2 (0x1f)=0x%02x\n", reg1f); /* horizontal/vertical not locked */ @@ -1365,34 +1405,6 @@ static int saa711x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) else *std &= V4L2_STD_625_50; - if (state->ident != V4L2_IDENT_SAA7115) - goto ret; - - reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC); - - switch (reg1e & 0x03) { - case 1: - *std &= V4L2_STD_NTSC; - break; - case 2: - /* - * V4L2_STD_PAL just cover the european PAL standards. - * This is wrong, as the device could also be using an - * other PAL standard. - */ - *std &= V4L2_STD_PAL | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | - V4L2_STD_PAL_M | V4L2_STD_PAL_60; - break; - case 3: - *std &= V4L2_STD_SECAM; - break; - default: - /* Can't detect anything */ - break; - } - - v4l2_dbg(1, debug, sd, "Status byte 1 (0x1e)=0x%02x\n", reg1e); - ret: v4l2_dbg(1, debug, sd, "detected std mask = %08Lx\n", *std); @@ -1428,7 +1440,7 @@ static int saa711x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register * return 0; } -static int saa711x_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) +static int saa711x_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { struct i2c_client *client = v4l2_get_subdevdata(sd); |