struct cx25840_state *state = to_state(i2c_get_clientdata(client));
struct workqueue_struct *q;
+ /*
+ * Come out of digital power down
+ * The CX23888, at least, needs this, otherwise registers aside from
+ * 0x0-0x2 can't be read or written.
+ */
+ cx25840_write(client, 0x000, 0);
+
/* Internal Reset */
cx25840_and_or(client, 0x102, ~0x01, 0x01);
cx25840_and_or(client, 0x102, ~0x01, 0x00);
/* DIF in reset? */
cx25840_write(client, 0x398, 0);
- /* Trust the default xtal, no division */
- /* This changes for the cx23888 products */
+ /*
+ * Trust the default xtal, no division
+ * '885: 28.636363... MHz
+ * '887: 25.000000 MHz
+ * '888: 50.000000 MHz
+ */
cx25840_write(client, 0x2, 0x76);
- /* Bring down the regulator for AUX clk */
+ /* Power up all the PLL's and DLL */
cx25840_write(client, 0x1, 0x40);
- /* Sys PLL frac */
- cx25840_write4(client, 0x11c, 0x01d1744c);
-
- /* Sys PLL int */
- cx25840_write4(client, 0x118, 0x00000416);
+ /* Sys PLL */
+ switch (state->id) {
+ case V4L2_IDENT_CX23888_AV:
+ /*
+ * 50.0 MHz * (0xb + 0xe8ba26/0x2000000)/4 = 5 * 28.636363 MHz
+ * 572.73 MHz before post divide
+ */
+ cx25840_write4(client, 0x11c, 0x00e8ba26);
+ cx25840_write4(client, 0x118, 0x0000040b);
+ break;
+ case V4L2_IDENT_CX23887_AV:
+ /*
+ * 25.0 MHz * (0x16 + 0x1d1744c/0x2000000)/4 = 5 * 28.636363 MHz
+ * 572.73 MHz before post divide
+ */
+ cx25840_write4(client, 0x11c, 0x01d1744c);
+ cx25840_write4(client, 0x118, 0x00000416);
+ break;
+ case V4L2_IDENT_CX23885_AV:
+ default:
+ /*
+ * 28.636363 MHz * (0x14 + 0x0/0x2000000)/4 = 5 * 28.636363 MHz
+ * 572.73 MHz before post divide
+ */
+ cx25840_write4(client, 0x11c, 0x00000000);
+ cx25840_write4(client, 0x118, 0x00000414);
+ break;
+ }
/* Disable DIF bypass */
cx25840_write4(client, 0x33c, 0x00000001);
/* DIF Src phase inc */
cx25840_write4(client, 0x340, 0x0df7df83);
- /* Vid PLL frac */
- cx25840_write4(client, 0x10c, 0x01b6db7b);
-
- /* Vid PLL int */
- cx25840_write4(client, 0x108, 0x00000512);
+ /*
+ * Vid PLL
+ * Setup for a BT.656 pixel clock of 13.5 Mpixels/second
+ *
+ * 28.636363 MHz * (0xf + 0x02be2c9/0x2000000)/4 = 8 * 13.5 MHz
+ * 432.0 MHz before post divide
+ */
+ cx25840_write4(client, 0x10c, 0x002be2c9);
+ cx25840_write4(client, 0x108, 0x0000040f);
/* Luma */
cx25840_write4(client, 0x414, 0x00107d12);
/* Chroma */
cx25840_write4(client, 0x420, 0x3d008282);
- /* Aux PLL frac */
- cx25840_write4(client, 0x114, 0x017dbf48);
-
- /* Aux PLL int */
- cx25840_write4(client, 0x110, 0x000a030e);
+ /*
+ * Aux PLL
+ * Initial setup for audio sample clock:
+ * 48 ksps, 16 bits/sample, x160 multiplier = 122.88 MHz
+ * Intial I2S output/master clock(?):
+ * 48 ksps, 16 bits/sample, x16 multiplier = 12.288 MHz
+ */
+ switch (state->id) {
+ case V4L2_IDENT_CX23888_AV:
+ /*
+ * 50.0 MHz * (0x7 + 0x0bedfa4/0x2000000)/3 = 122.88 MHz
+ * 368.64 MHz before post divide
+ * 122.88 MHz / 0xa = 12.288 MHz
+ */
+ cx25840_write4(client, 0x114, 0x00bedfa4);
+ cx25840_write4(client, 0x110, 0x000a0307);
+ break;
+ case V4L2_IDENT_CX23887_AV:
+ /*
+ * 25.0 MHz * (0xe + 0x17dbf48/0x2000000)/3 = 122.88 MHz
+ * 368.64 MHz before post divide
+ * 122.88 MHz / 0xa = 12.288 MHz
+ */
+ cx25840_write4(client, 0x114, 0x017dbf48);
+ cx25840_write4(client, 0x110, 0x000a030e);
+ break;
+ case V4L2_IDENT_CX23885_AV:
+ default:
+ /*
+ * 28.636363 MHz * (0xc + 0x1bf0c9e/0x2000000)/3 = 122.88 MHz
+ * 368.64 MHz before post divide
+ * 122.88 MHz / 0xa = 12.288 MHz
+ */
+ cx25840_write4(client, 0x114, 0x01bf0c9e);
+ cx25840_write4(client, 0x110, 0x000a030c);
+ break;
+ };
/* ADC2 input select */
cx25840_write(client, 0x102, 0x10);
/* Select AFE clock pad output source */
cx25840_write(client, 0x144, 0x05);
+ /* Drive GPIO2 direction and values for HVR1700
+ * where an onboard mux selects the output of demodulator
+ * vs the 417. Failure to set this results in no DTV.
+ * It's safe to set this across all Hauppauge boards
+ * currently, regardless of the board type.
+ */
+ cx25840_write(client, 0x160, 0x1d);
+ cx25840_write(client, 0x164, 0x00);
+
/* 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
/* 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);
/* 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
}
/* 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);
- v4l_dbg(1, cx25840_debug, client,
- "PLL regs = int: %u, frac: %u, post: %u\n",
- pll_int, pll_frac, pll_post);
-
- if (pll_post) {
- int fin, fsc;
- int pll = (28636363L * ((((u64)pll_int) << 25L) + pll_frac)) >> 25L;
-
- pll /= pll_post;
- v4l_dbg(1, cx25840_debug, client, "PLL = %d.%06d MHz\n",
- pll / 1000000, pll % 1000000);
- v4l_dbg(1, cx25840_debug, client, "PLL/8 = %d.%06d MHz\n",
- pll / 8000000, (pll / 8) % 1000000);
-
- fin = ((u64)src_decimation * pll) >> 12;
+ if (!is_cx231xx(state)) {
+ pll_int = cx25840_read(client, 0x108);
+ pll_frac = cx25840_read4(client, 0x10c) & 0x1ffffff;
+ pll_post = cx25840_read(client, 0x109);
v4l_dbg(1, cx25840_debug, client,
- "ADC Sampling freq = %d.%06d MHz\n",
- fin / 1000000, fin % 1000000);
-
- fsc = (((u64)sc) * pll) >> 24L;
- v4l_dbg(1, cx25840_debug, client,
- "Chroma sub-carrier freq = %d.%06d MHz\n",
- fsc / 1000000, fsc % 1000000);
-
- v4l_dbg(1, cx25840_debug, client, "hblank %i, hactive %i, "
- "vblank %i, vactive %i, vblank656 %i, src_dec %i, "
- "burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x, "
- "sc 0x%06x\n",
- hblank, hactive, vblank, vactive, vblank656,
- src_decimation, burst, luma_lpf, uv_lpf, comb, sc);
+ "PLL regs = int: %u, frac: %u, post: %u\n",
+ pll_int, pll_frac, pll_post);
+
+ if (pll_post) {
+ int fin, fsc;
+ int pll = (28636363L * ((((u64)pll_int) << 25L) + pll_frac)) >> 25L;
+
+ pll /= pll_post;
+ v4l_dbg(1, cx25840_debug, client, "PLL = %d.%06d MHz\n",
+ pll / 1000000, pll % 1000000);
+ v4l_dbg(1, cx25840_debug, client, "PLL/8 = %d.%06d MHz\n",
+ pll / 8000000, (pll / 8) % 1000000);
+
+ fin = ((u64)src_decimation * pll) >> 12;
+ v4l_dbg(1, cx25840_debug, client,
+ "ADC Sampling freq = %d.%06d MHz\n",
+ fin / 1000000, fin % 1000000);
+
+ fsc = (((u64)sc) * pll) >> 24L;
+ v4l_dbg(1, cx25840_debug, client,
+ "Chroma sub-carrier freq = %d.%06d MHz\n",
+ fsc / 1000000, fsc % 1000000);
+
+ v4l_dbg(1, cx25840_debug, client, "hblank %i, hactive %i, "
+ "vblank %i, vactive %i, vblank656 %i, src_dec %i, "
+ "burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x, "
+ "sc 0x%06x\n",
+ 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);
}
cx25840_write(client, 0x80b, 0x00);
} else if (std & V4L2_STD_PAL) {
- /* Follow tuner change procedure for PAL */
+ /* Autodetect audio standard and audio system */
cx25840_write(client, 0x808, 0xff);
- cx25840_write(client, 0x80b, 0x10);
+ /* Since system PAL-L is pretty much non-existant and
+ not used by any public broadcast network, force
+ 6.5 MHz carrier to be interpreted as System DK,
+ this avoids DK audio detection instability */
+ cx25840_write(client, 0x80b, 0x00);
} else if (std & V4L2_STD_SECAM) {
- /* Select autodetect for SECAM */
+ /* Autodetect audio standard and audio system */
cx25840_write(client, 0x808, 0xff);
- cx25840_write(client, 0x80b, 0x10);
+ /* If only one of SECAM-DK / SECAM-L is required, then force
+ 6.5MHz carrier, else autodetect it */
+ if ((std & V4L2_STD_SECAM_DK) &&
+ !(std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC))) {
+ /* 6.5 MHz carrier to be interpreted as System DK */
+ cx25840_write(client, 0x80b, 0x00);
+ } else if (!(std & V4L2_STD_SECAM_DK) &&
+ (std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC))) {
+ /* 6.5 MHz carrier to be interpreted as System L */
+ cx25840_write(client, 0x80b, 0x08);
+ } else {
+ /* 6.5 MHz carrier to be autodetected */
+ cx25840_write(client, 0x80b, 0x10);
+ }
}
cx25840_and_or(client, 0x810, ~0x01, 0);
struct cx25840_state *state = to_state(i2c_get_clientdata(client));
u8 is_composite = (vid_input >= CX25840_COMPOSITE1 &&
vid_input <= CX25840_COMPOSITE8);
+ u8 is_component = (vid_input & CX25840_COMPONENT_ON) ==
+ CX25840_COMPONENT_ON;
+ int luma = vid_input & 0xf0;
+ int chroma = vid_input & 0xf00;
u8 reg;
v4l_dbg(1, cx25840_debug, client,
reg = vid_input & 0xff;
if ((vid_input & CX25840_SVIDEO_ON) == CX25840_SVIDEO_ON)
is_composite = 0;
- else
+ else if ((vid_input & CX25840_COMPONENT_ON) == 0)
is_composite = 1;
v4l_dbg(1, cx25840_debug, client, "mux cfg 0x%x comp=%d\n",
reg, is_composite);
- } else
- if (is_composite) {
+ } else if (is_composite) {
reg = 0xf0 + (vid_input - CX25840_COMPOSITE1);
} else {
- int luma = vid_input & 0xf0;
- int chroma = vid_input & 0xf00;
-
if ((vid_input & ~0xff0) ||
luma < CX25840_SVIDEO_LUMA1 || luma > CX25840_SVIDEO_LUMA8 ||
chroma < CX25840_SVIDEO_CHROMA4 || chroma > CX25840_SVIDEO_CHROMA8) {
* configuration in reg (for the cx23885) so we have no
* need to attempt to flip bits for earlier av decoders.
*/
- if (!state->is_cx23885 && !state->is_cx231xx) {
+ if (!is_cx2388x(state) && !is_cx231xx(state)) {
switch (aud_input) {
case CX25840_AUDIO_SERIAL:
/* do nothing, use serial audio input */
cx25840_write(client, 0x103, reg);
- /* Set INPUT_MODE to Composite (0) or S-Video (1) */
- cx25840_and_or(client, 0x401, ~0x6, is_composite ? 0 : 0x02);
+ /* Set INPUT_MODE to Composite, S-Video or Component */
+ if (is_component)
+ cx25840_and_or(client, 0x401, ~0x6, 0x6);
+ else
+ cx25840_and_or(client, 0x401, ~0x6, is_composite ? 0 : 0x02);
- if (!state->is_cx23885 && !state->is_cx231xx) {
+ if (!is_cx2388x(state) && !is_cx231xx(state)) {
/* 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 */
else
cx25840_and_or(client, 0x102, ~0x4, 0);
} else {
- if (is_composite)
+ /* Set DUAL_MODE_ADC2 to 1 if component*/
+ cx25840_and_or(client, 0x102, ~0x4, is_component ? 0x4 : 0x0);
+ if (is_composite) {
/* ADC2 input select channel 2 */
cx25840_and_or(client, 0x102, ~0x2, 0);
- else
- /* ADC2 input select channel 3 */
- cx25840_and_or(client, 0x102, ~0x2, 2);
+ } else if (!is_component) {
+ /* S-Video */
+ if (chroma >= CX25840_SVIDEO_CHROMA7) {
+ /* ADC2 input select channel 3 */
+ cx25840_and_or(client, 0x102, ~0x2, 2);
+ } else {
+ /* ADC2 input select channel 2 */
+ cx25840_and_or(client, 0x102, ~0x2, 0);
+ }
+ }
}
state->vid_input = vid_input;
state->aud_input = aud_input;
- if (!state->is_cx25836) {
+ if (!is_cx2583x(state)) {
cx25840_audio_set_path(client);
input_change(client);
}
- if (state->is_cx23885) {
+ if (is_cx2388x(state)) {
/* Audio channel 1 src : Parallel 1 */
cx25840_write(client, 0x124, 0x03);
*/
cx25840_write(client, 0x918, 0xa0);
cx25840_write(client, 0x919, 0x01);
- } else if (state->is_cx231xx) {
+ } else if (is_cx231xx(state)) {
/* Audio channel 1 src : Parallel 1 */
cx25840_write(client, 0x124, 0x03);
cx25840_and_or(client, 0x400, ~0xf, fmt);
cx25840_and_or(client, 0x403, ~0x3, pal_m);
cx25840_std_setup(client);
- if (!state->is_cx25836)
+ if (!is_cx2583x(state))
input_change(client);
return 0;
}
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) {
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
- if (state->is_cx25836)
+ if (is_cx2583x(state))
return -EINVAL;
return cx25840_audio_s_ctrl(sd, 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) {
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
- if (state->is_cx25836)
+ if (is_cx2583x(state))
return -EINVAL;
return cx25840_audio_g_ctrl(sd, ctrl);
default:
/* ----------------------------------------------------------------------- */
-/* This init operation must be called to load the driver's firmware.
+/* This load_fw operation must be called to load the driver's firmware.
Without this the audio standard detection will fail and you will
only get mono.
postponing it is that loading this firmware takes a long time (seconds)
due to the slow i2c bus speed. So it will speed up the boot process if
you can avoid loading the fw as long as the video device isn't used. */
-static int cx25840_init(struct v4l2_subdev *sd, u32 val)
+static int cx25840_load_fw(struct v4l2_subdev *sd)
{
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
if (!state->is_initialized) {
- /* initialize on first use */
+ /* initialize and load firmware */
state->is_initialized = 1;
- if (state->is_cx25836)
+ if (is_cx2583x(state))
cx25836_initialize(client);
- else if (state->is_cx23885)
+ else if (is_cx2388x(state))
cx23885_initialize(client);
- else if (state->is_cx231xx)
+ else if (is_cx231xx(state))
cx231xx_initialize(client);
else
cx25840_initialize(client);
}
#endif
+static int cx25840_s_audio_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u8 v;
+
+ if (is_cx2583x(state) || is_cx2388x(state) || is_cx231xx(state))
+ return 0;
+
+ v4l_dbg(1, cx25840_debug, client, "%s audio output\n",
+ enable ? "enable" : "disable");
+
+ if (enable) {
+ v = cx25840_read(client, 0x115) | 0x80;
+ cx25840_write(client, 0x115, v);
+ v = cx25840_read(client, 0x116) | 0x03;
+ cx25840_write(client, 0x116, v);
+ } else {
+ v = cx25840_read(client, 0x115) & ~(0x80);
+ cx25840_write(client, 0x115, v);
+ v = cx25840_read(client, 0x116) & ~(0x03);
+ cx25840_write(client, 0x116, v);
+ }
+ return 0;
+}
+
static int cx25840_s_stream(struct v4l2_subdev *sd, int enable)
{
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u8 v;
- v4l_dbg(1, cx25840_debug, client, "%s output\n",
+ v4l_dbg(1, cx25840_debug, client, "%s video output\n",
enable ? "enable" : "disable");
if (enable) {
- if (state->is_cx23885 || state->is_cx231xx) {
- u8 v = (cx25840_read(client, 0x421) | 0x0b);
+ if (is_cx2388x(state) || is_cx231xx(state)) {
+ v = cx25840_read(client, 0x421) | 0x0b;
cx25840_write(client, 0x421, v);
} else {
- cx25840_write(client, 0x115,
- state->is_cx25836 ? 0x0c : 0x8c);
- cx25840_write(client, 0x116,
- state->is_cx25836 ? 0x04 : 0x07);
+ v = cx25840_read(client, 0x115) | 0x0c;
+ cx25840_write(client, 0x115, v);
+ v = cx25840_read(client, 0x116) | 0x04;
+ cx25840_write(client, 0x116, v);
}
} else {
- if (state->is_cx23885 || state->is_cx231xx) {
- u8 v = cx25840_read(client, 0x421) & ~(0x0b);
+ if (is_cx2388x(state) || is_cx231xx(state)) {
+ v = cx25840_read(client, 0x421) & ~(0x0b);
cx25840_write(client, 0x421, v);
} else {
- cx25840_write(client, 0x115, 0x00);
- cx25840_write(client, 0x116, 0x00);
+ v = cx25840_read(client, 0x115) & ~(0x0c);
+ cx25840_write(client, 0x115, v);
+ v = cx25840_read(client, 0x116) & ~(0x04);
+ cx25840_write(client, 0x116, v);
}
}
return 0;
default:
break;
}
- if (state->is_cx25836)
+ if (is_cx2583x(state))
return -EINVAL;
switch (qc->id) {
return 0;
}
-static int cx25840_s_video_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
+static int cx25840_s_video_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
{
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
- return set_input(client, route->input, state->aud_input);
+ return set_input(client, input, state->aud_input);
}
-static int cx25840_s_audio_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
+static int cx25840_s_audio_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
{
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (state->is_cx25836)
+ if (is_cx2583x(state))
return -EINVAL;
- return set_input(client, state->vid_input, route->input);
+ return set_input(client, state->vid_input, input);
}
static int cx25840_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (!state->is_cx25836)
+ if (!is_cx2583x(state))
input_change(client);
return 0;
}
return 0;
vt->signal = vpres ? 0xffff : 0x0;
- if (state->is_cx25836)
+ if (is_cx2583x(state))
return 0;
vt->capability |=
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (state->radio || state->is_cx25836)
+ if (state->radio || is_cx2583x(state))
return 0;
switch (vt->audmode) {
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (state->is_cx25836)
+ if (is_cx2583x(state))
cx25836_initialize(client);
- else if (state->is_cx23885)
+ else if (is_cx2388x(state))
cx23885_initialize(client);
- else if (state->is_cx231xx)
+ else if (is_cx231xx(state))
cx231xx_initialize(client);
else
cx25840_initialize(client);
struct i2c_client *client = v4l2_get_subdevdata(sd);
log_video_status(client);
- if (!state->is_cx25836)
+ if (!is_cx2583x(state))
log_audio_status(client);
return 0;
}
.g_ctrl = cx25840_g_ctrl,
.s_ctrl = cx25840_s_ctrl,
.queryctrl = cx25840_queryctrl,
+ .s_std = cx25840_s_std,
.reset = cx25840_reset,
- .init = cx25840_init,
+ .load_fw = cx25840_load_fw,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = cx25840_g_register,
.s_register = cx25840_s_register,
static const struct v4l2_subdev_tuner_ops cx25840_tuner_ops = {
.s_frequency = cx25840_s_frequency,
- .s_std = cx25840_s_std,
.s_radio = cx25840_s_radio,
.g_tuner = cx25840_g_tuner,
.s_tuner = cx25840_s_tuner,
static const struct v4l2_subdev_audio_ops cx25840_audio_ops = {
.s_clock_freq = cx25840_s_clock_freq,
.s_routing = cx25840_s_audio_routing,
+ .s_stream = cx25840_s_audio_stream,
};
static const struct v4l2_subdev_video_ops cx25840_video_ops = {
/* ----------------------------------------------------------------------- */
+static u32 get_cx2388x_ident(struct i2c_client *client)
+{
+ u32 ret;
+
+ /* Come out of digital power down */
+ cx25840_write(client, 0x000, 0);
+
+ /* Detecting whether the part is cx23885/7/8 is more
+ * difficult than it needs to be. No ID register. Instead we
+ * probe certain registers indicated in the datasheets to look
+ * for specific defaults that differ between the silicon designs. */
+
+ /* It's either 885/7 if the IR Tx Clk Divider register exists */
+ if (cx25840_read4(client, 0x204) & 0xffff) {
+ /* CX23885 returns bogus repetitive byte values for the DIF,
+ * which doesn't exist for it. (Ex. 8a8a8a8a or 31313131) */
+ ret = cx25840_read4(client, 0x300);
+ if (((ret & 0xffff0000) >> 16) == (ret & 0xffff)) {
+ /* No DIF */
+ ret = V4L2_IDENT_CX23885_AV;
+ } else {
+ /* CX23887 has a broken DIF, but the registers
+ * appear valid (but unsed), good enough to detect. */
+ ret = V4L2_IDENT_CX23887_AV;
+ }
+ } else if (cx25840_read4(client, 0x300) & 0x0fffffff) {
+ /* DIF PLL Freq Word reg exists; chip must be a CX23888 */
+ ret = V4L2_IDENT_CX23888_AV;
+ } else {
+ v4l_err(client, "Unable to detect h/w, assuming cx23887\n");
+ ret = V4L2_IDENT_CX23887_AV;
+ }
+
+ /* Back into digital power down */
+ cx25840_write(client, 0x000, 2);
+ return ret;
+}
+
static int cx25840_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct cx25840_state *state;
struct v4l2_subdev *sd;
- u32 id;
+ u32 id = V4L2_IDENT_NONE;
u16 device_id;
/* Check if the adapter supports the needed features */
* 0x83 for the cx2583x and 0x84 for the cx2584x */
if ((device_id & 0xff00) == 0x8300) {
id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
- }
- else if ((device_id & 0xff00) == 0x8400) {
+ } else if ((device_id & 0xff00) == 0x8400) {
id = V4L2_IDENT_CX25840 + ((device_id >> 4) & 0xf);
- } /* else if (device_id == 0x0000) {
- id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
- } */ else if (device_id == 0x1313) {
- id = V4L2_IDENT_CX25836 + ((device_id >> 4) & 0xf) - 6;
+ } else if (device_id == 0x0000) {
+ id = get_cx2388x_ident(client);
} else if ((device_id & 0xfff0) == 0x5A30) {
- id = V4L2_IDENT_CX25840 + ((device_id >> 4) & 0xf);
- }
- else {
+ /* The CX23100 (0x5A3C = 23100) doesn't have an A/V decoder */
+ id = V4L2_IDENT_CX2310X_AV;
+ } else if ((device_id & 0xff) == (device_id >> 8)) {
+ v4l_err(client,
+ "likely a confused/unresponsive cx2388[578] A/V decoder"
+ " found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+ v4l_err(client, "A method to reset it from the cx25840 driver"
+ " software is not known at this time\n");
+ return -ENODEV;
+ } else {
v4l_dbg(1, cx25840_debug, client, "cx25840 not found\n");
return -ENODEV;
}
sd = &state->sd;
v4l2_i2c_subdev_init(sd, client, &cx25840_ops);
- /* Note: revision '(device_id & 0x0f) == 2' was never built. The
- marking skips from 0x1 == 22 to 0x3 == 23. */
- v4l_info(client, "cx25%3x-2%x found @ 0x%x (%s)\n",
- (device_id & 0xfff0) >> 4,
- (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : (device_id & 0x0f),
- client->addr << 1, client->adapter->name);
+ switch (id) {
+ case V4L2_IDENT_CX23885_AV:
+ v4l_info(client, "cx23885 A/V decoder found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+ break;
+ case V4L2_IDENT_CX23887_AV:
+ v4l_info(client, "cx23887 A/V decoder found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+ break;
+ case V4L2_IDENT_CX23888_AV:
+ v4l_info(client, "cx23888 A/V decoder found @ 0x%x (%s)\n",
+ client->addr << 1, client->adapter->name);
+ break;
+ case V4L2_IDENT_CX2310X_AV:
+ v4l_info(client, "cx%d A/V decoder found @ 0x%x (%s)\n",
+ device_id, client->addr << 1, client->adapter->name);
+ break;
+ case V4L2_IDENT_CX25840:
+ case V4L2_IDENT_CX25841:
+ case V4L2_IDENT_CX25842:
+ case V4L2_IDENT_CX25843:
+ /* Note: revision '(device_id & 0x0f) == 2' was never built. The
+ marking skips from 0x1 == 22 to 0x3 == 23. */
+ v4l_info(client, "cx25%3x-2%x found @ 0x%x (%s)\n",
+ (device_id & 0xfff0) >> 4,
+ (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1
+ : (device_id & 0x0f),
+ client->addr << 1, client->adapter->name);
+ break;
+ case V4L2_IDENT_CX25836:
+ case V4L2_IDENT_CX25837:
+ default:
+ v4l_info(client, "cx25%3x-%x found @ 0x%x (%s)\n",
+ (device_id & 0xfff0) >> 4, device_id & 0x0f,
+ client->addr << 1, client->adapter->name);
+ break;
+ }
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;
state->id = id;
state->rev = device_id;
- if (state->is_cx23885) {
- /* Drive GPIO2 direction and values */
- cx25840_write(client, 0x160, 0x1d);
- cx25840_write(client, 0x164, 0x00);
- }
-
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff