diff options
author | Sri Deevi <Srinivasa.Deevi@conexant.com> | 2009-03-03 06:07:42 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-04-06 21:44:00 -0300 |
commit | 149783b58170da0b7ebe9e86995f8cb350f33b6d (patch) | |
tree | 613e6057906fe863b67ecdf02039c8daa0e04d42 /drivers/media/video/cx25840/cx25840-core.c | |
parent | 073d696d547ef933e1f0748086da785e95cb8395 (diff) |
V4L/DVB (10952): cx25840: prepare it to be used by cx231xx module
cx231xx has a cx25840 inside the chip. However, some different
initializations are used for this variant.
Signed-off-by: Srinivasa Deevi <srinivasa.deevi@conexant.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx25840/cx25840-core.c')
-rw-r--r-- | drivers/media/video/cx25840/cx25840-core.c | 113 |
1 files changed, 105 insertions, 8 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index 737ee4ea8830..9108f74c0f71 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -345,6 +345,81 @@ static void cx23885_initialize(struct i2c_client *client) /* ----------------------------------------------------------------------- */ +static void cx231xx_initialize(struct i2c_client *client) +{ + DEFINE_WAIT(wait); + struct cx25840_state *state = to_state(i2c_get_clientdata(client)); + struct workqueue_struct *q; + + /* Internal Reset */ + cx25840_and_or(client, 0x102, ~0x01, 0x01); + cx25840_and_or(client, 0x102, ~0x01, 0x00); + + /* Stop microcontroller */ + cx25840_and_or(client, 0x803, ~0x10, 0x00); + + /* DIF in reset? */ + cx25840_write(client, 0x398, 0); + + /* Trust the default xtal, no division */ + /* This changes for the cx23888 products */ + cx25840_write(client, 0x2, 0x76); + + /* Bring down the regulator for AUX clk */ + cx25840_write(client, 0x1, 0x40); + + /* Disable DIF bypass */ + cx25840_write4(client, 0x33c, 0x00000001); + + /* DIF Src phase inc */ + cx25840_write4(client, 0x340, 0x0df7df83); + + + /* Luma */ + cx25840_write4(client, 0x414, 0x00107d12); + + /* Chroma */ + cx25840_write4(client, 0x420, 0x3d008282); + + + + /* ADC2 input select */ + cx25840_write(client, 0x102, 0x10); + + /* VIN1 & VIN5 */ + cx25840_write(client, 0x103, 0x11); + + /* Enable format auto detect */ + cx25840_write(client, 0x400, 0); + /* Fast subchroma lock */ + /* White crush, Chroma AGC & Chroma Killer enabled */ + cx25840_write(client, 0x401, 0xe8); + + + /* Do the firmware load in a work handler to prevent. + Otherwise the kernel is blocked waiting for the + bit-banging i2c interface to finish uploading the + firmware. */ + INIT_WORK(&state->fw_work, cx25840_work_handler); + init_waitqueue_head(&state->fw_wait); + q = create_singlethread_workqueue("cx25840_fw"); + prepare_to_wait(&state->fw_wait, &wait, TASK_UNINTERRUPTIBLE); + queue_work(q, &state->fw_work); + schedule(); + finish_wait(&state->fw_wait, &wait); + destroy_workqueue(q); + + cx25840_std_setup(client); + + /* (re)set input */ + set_input(client, state->vid_input, state->aud_input); + + /* start microcontroller */ + cx25840_and_or(client, 0x803, ~0x10, 0x10); +} + +/* ----------------------------------------------------------------------- */ + void cx25840_std_setup(struct i2c_client *client) { struct cx25840_state *state = to_state(i2c_get_clientdata(client)); @@ -414,6 +489,7 @@ void cx25840_std_setup(struct i2c_client *client) } /* DEBUG: Displays configured PLL frequency */ + if (!state->is_cx231xx) { pll_int = cx25840_read(client, 0x108); pll_frac = cx25840_read4(client, 0x10c) & 0x1ffffff; pll_post = cx25840_read(client, 0x109); @@ -448,6 +524,7 @@ void cx25840_std_setup(struct i2c_client *client) hblank, hactive, vblank, vactive, vblank656, src_decimation, burst, luma_lpf, uv_lpf, comb, sc); } + } /* Sets horizontal blanking delay and active lines */ cx25840_write(client, 0x470, hblank); @@ -596,7 +673,7 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp * configuration in reg (for the cx23885) so we have no * need to attempt to flip bits for earlier av decoders. */ - if (!state->is_cx23885) { + if (!state->is_cx23885 && !state->is_cx231xx) { switch (aud_input) { case CX25840_AUDIO_SERIAL: /* do nothing, use serial audio input */ @@ -619,7 +696,7 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp /* Set INPUT_MODE to Composite (0) or S-Video (1) */ cx25840_and_or(client, 0x401, ~0x6, is_composite ? 0 : 0x02); - if (!state->is_cx23885) { + if (!state->is_cx23885 && !state->is_cx231xx) { /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */ cx25840_and_or(client, 0x102, ~0x2, (reg & 0x80) == 0 ? 2 : 0); /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2&CH3 */ @@ -659,6 +736,19 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp */ cx25840_write(client, 0x918, 0xa0); cx25840_write(client, 0x919, 0x01); + } else if (state->is_cx231xx) { + /* Audio channel 1 src : Parallel 1 */ + cx25840_write(client, 0x124, 0x03); + + /* I2S_IN_CTL: I2S_IN_SONY_MODE, LEFT SAMPLE on WS=1 */ + cx25840_write(client, 0x914, 0xa0); + + /* I2S_OUT_CTL: + * I2S_IN_SONY_MODE, LEFT SAMPLE on WS=1 + * I2S_OUT_MASTER_MODE = Master + */ + cx25840_write(client, 0x918, 0xa0); + cx25840_write(client, 0x919, 0x01); } return 0; @@ -719,7 +809,7 @@ static int set_v4lstd(struct i2c_client *client) static int cx25840_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { - struct cx25840_state *state = to_state(sd); + struct cx25840_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); switch (ctrl->id) { @@ -786,7 +876,7 @@ static int cx25840_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) static int cx25840_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { - struct cx25840_state *state = to_state(sd); + struct cx25840_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); switch (ctrl->id) { @@ -1118,6 +1208,8 @@ static int cx25840_init(struct v4l2_subdev *sd, u32 val) cx25836_initialize(client); else if (state->is_cx23885) cx23885_initialize(client); + else if (state->is_cx231xx) + cx231xx_initialize(client); else cx25840_initialize(client); } @@ -1159,7 +1251,7 @@ static int cx25840_s_stream(struct v4l2_subdev *sd, int enable) v4l_dbg(1, cx25840_debug, client, "%s output\n", enable ? "enable" : "disable"); if (enable) { - if (state->is_cx23885) { + if (state->is_cx23885 || state->is_cx231xx) { u8 v = (cx25840_read(client, 0x421) | 0x0b); cx25840_write(client, 0x421, v); } else { @@ -1169,7 +1261,7 @@ static int cx25840_s_stream(struct v4l2_subdev *sd, int enable) state->is_cx25836 ? 0x04 : 0x07); } } else { - if (state->is_cx23885) { + if (state->is_cx23885 || state->is_cx231xx) { u8 v = cx25840_read(client, 0x421) & ~(0x0b); cx25840_write(client, 0x421, v); } else { @@ -1350,6 +1442,8 @@ static int cx25840_reset(struct v4l2_subdev *sd, u32 val) cx25836_initialize(client); else if (state->is_cx23885) cx23885_initialize(client); + else if (state->is_cx231xx) + cx231xx_initialize(client); else cx25840_initialize(client); return 0; @@ -1445,10 +1539,12 @@ static int cx25840_probe(struct i2c_client *client, } else if ((device_id & 0xff00) == 0x8400) { id = V4L2_IDENT_CX25840 + ((device_id >> 4) & 0xf); - } else if (device_id == 0x0000) { + } /* else if (device_id == 0x0000) { id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6; - } else if (device_id == 0x1313) { + } */ else if (device_id == 0x1313) { id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6; + } else if ((device_id & 0xfff0) == 0x5A30) { + id = V4L2_IDENT_CX25840 + ((device_id >> 4) & 0xf); } else { v4l_dbg(1, cx25840_debug, client, "cx25840 not found\n"); @@ -1471,6 +1567,7 @@ static int cx25840_probe(struct i2c_client *client, state->c = client; state->is_cx25836 = ((device_id & 0xff00) == 0x8300); state->is_cx23885 = (device_id == 0x0000) || (device_id == 0x1313); + state->is_cx231xx = (device_id == 0x5A3E); state->vid_input = CX25840_COMPOSITE7; state->aud_input = CX25840_AUDIO8; state->audclk_freq = 48000; |