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path: root/drivers/media/i2c/cx25840/cx25840-core.c
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Diffstat (limited to 'drivers/media/i2c/cx25840/cx25840-core.c')
-rw-r--r--drivers/media/i2c/cx25840/cx25840-core.c1409
1 files changed, 1051 insertions, 358 deletions
diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c
index 3ecf79d242f2..0de946fe2109 100644
--- a/drivers/media/i2c/cx25840/cx25840-core.c
+++ b/drivers/media/i2c/cx25840/cx25840-core.c
@@ -21,9 +21,11 @@
*
* CX23888 DIF support for the HVR1850
* Copyright (C) 2011 Steven Toth <stoth@kernellabs.com>
+ *
+ * CX2584x pin to pad mapping and output format configuration support are
+ * Copyright (C) 2011 Maciej S. Szmigiero <mail@maciej.szmigiero.name>
*/
-
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -64,17 +66,17 @@ MODULE_LICENSE("GPL");
static int cx25840_debug;
-module_param_named(debug,cx25840_debug, int, 0644);
+module_param_named(debug, cx25840_debug, int, 0644);
MODULE_PARM_DESC(debug, "Debugging messages [0=Off (default) 1=On]");
-
/* ----------------------------------------------------------------------- */
static void cx23888_std_setup(struct i2c_client *client);
int cx25840_write(struct i2c_client *client, u16 addr, u8 value)
{
u8 buffer[3];
+
buffer[0] = addr >> 8;
buffer[1] = addr & 0xff;
buffer[2] = value;
@@ -84,6 +86,7 @@ int cx25840_write(struct i2c_client *client, u16 addr, u8 value)
int cx25840_write4(struct i2c_client *client, u16 addr, u32 value)
{
u8 buffer[6];
+
buffer[0] = addr >> 8;
buffer[1] = addr & 0xff;
buffer[2] = value & 0xff;
@@ -93,7 +96,7 @@ int cx25840_write4(struct i2c_client *client, u16 addr, u32 value)
return i2c_master_send(client, buffer, 6);
}
-u8 cx25840_read(struct i2c_client * client, u16 addr)
+u8 cx25840_read(struct i2c_client *client, u16 addr)
{
struct i2c_msg msgs[2];
u8 tx_buf[2], rx_buf[1];
@@ -104,13 +107,13 @@ u8 cx25840_read(struct i2c_client * client, u16 addr)
msgs[0].addr = client->addr;
msgs[0].flags = 0;
msgs[0].len = 2;
- msgs[0].buf = (char *) tx_buf;
+ msgs[0].buf = (char *)tx_buf;
/* Read data from register */
msgs[1].addr = client->addr;
msgs[1].flags = I2C_M_RD;
msgs[1].len = 1;
- msgs[1].buf = (char *) rx_buf;
+ msgs[1].buf = (char *)rx_buf;
if (i2c_transfer(client->adapter, msgs, 2) < 2)
return 0;
@@ -118,7 +121,7 @@ u8 cx25840_read(struct i2c_client * client, u16 addr)
return rx_buf[0];
}
-u32 cx25840_read4(struct i2c_client * client, u16 addr)
+u32 cx25840_read4(struct i2c_client *client, u16 addr)
{
struct i2c_msg msgs[2];
u8 tx_buf[2], rx_buf[4];
@@ -129,13 +132,13 @@ u32 cx25840_read4(struct i2c_client * client, u16 addr)
msgs[0].addr = client->addr;
msgs[0].flags = 0;
msgs[0].len = 2;
- msgs[0].buf = (char *) tx_buf;
+ msgs[0].buf = (char *)tx_buf;
/* Read data from registers */
msgs[1].addr = client->addr;
msgs[1].flags = I2C_M_RD;
msgs[1].len = 4;
- msgs[1].buf = (char *) rx_buf;
+ msgs[1].buf = (char *)rx_buf;
if (i2c_transfer(client->adapter, msgs, 2) < 2)
return 0;
@@ -144,7 +147,7 @@ u32 cx25840_read4(struct i2c_client * client, u16 addr)
rx_buf[0];
}
-int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned and_mask,
+int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned int and_mask,
u8 or_value)
{
return cx25840_write(client, addr,
@@ -162,13 +165,14 @@ int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
/* ----------------------------------------------------------------------- */
-static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input,
- enum cx25840_audio_input aud_input);
+static int set_input(struct i2c_client *client,
+ enum cx25840_video_input vid_input,
+ enum cx25840_audio_input aud_input);
/* ----------------------------------------------------------------------- */
static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
- struct v4l2_subdev_io_pin_config *p)
+ struct v4l2_subdev_io_pin_config *p)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
int i;
@@ -307,13 +311,225 @@ static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
return 0;
}
+static u8 cx25840_function_to_pad(struct i2c_client *client, u8 function)
+{
+ if (function > CX25840_PAD_VRESET) {
+ v4l_err(client, "invalid function %u, assuming default\n",
+ (unsigned int)function);
+ return 0;
+ }
+
+ return function;
+}
+
+static void cx25840_set_invert(u8 *pinctrl3, u8 *voutctrl4, u8 function,
+ u8 pin, bool invert)
+{
+ switch (function) {
+ case CX25840_PAD_IRQ_N:
+ if (invert)
+ *pinctrl3 &= ~2;
+ else
+ *pinctrl3 |= 2;
+ break;
+
+ case CX25840_PAD_ACTIVE:
+ if (invert)
+ *voutctrl4 |= BIT(2);
+ else
+ *voutctrl4 &= ~BIT(2);
+ break;
+
+ case CX25840_PAD_VACTIVE:
+ if (invert)
+ *voutctrl4 |= BIT(5);
+ else
+ *voutctrl4 &= ~BIT(5);
+ break;
+
+ case CX25840_PAD_CBFLAG:
+ if (invert)
+ *voutctrl4 |= BIT(4);
+ else
+ *voutctrl4 &= ~BIT(4);
+ break;
+
+ case CX25840_PAD_VRESET:
+ if (invert)
+ *voutctrl4 |= BIT(0);
+ else
+ *voutctrl4 &= ~BIT(0);
+ break;
+ }
+
+ if (function != CX25840_PAD_DEFAULT)
+ return;
+
+ switch (pin) {
+ case CX25840_PIN_DVALID_PRGM0:
+ if (invert)
+ *voutctrl4 |= BIT(6);
+ else
+ *voutctrl4 &= ~BIT(6);
+ break;
+
+ case CX25840_PIN_HRESET_PRGM2:
+ if (invert)
+ *voutctrl4 |= BIT(1);
+ else
+ *voutctrl4 &= ~BIT(1);
+ break;
+ }
+}
+
+static int cx25840_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
+ struct v4l2_subdev_io_pin_config *p)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ unsigned int i;
+ u8 pinctrl[6], pinconf[10], voutctrl4;
+
+ for (i = 0; i < 6; i++)
+ pinctrl[i] = cx25840_read(client, 0x114 + i);
+
+ for (i = 0; i < 10; i++)
+ pinconf[i] = cx25840_read(client, 0x11c + i);
+
+ voutctrl4 = cx25840_read(client, 0x407);
+
+ for (i = 0; i < n; i++) {
+ u8 strength = p[i].strength;
+
+ if (strength != CX25840_PIN_DRIVE_SLOW &&
+ strength != CX25840_PIN_DRIVE_MEDIUM &&
+ strength != CX25840_PIN_DRIVE_FAST) {
+ v4l_err(client,
+ "invalid drive speed for pin %u (%u), assuming fast\n",
+ (unsigned int)p[i].pin,
+ (unsigned int)strength);
+
+ strength = CX25840_PIN_DRIVE_FAST;
+ }
+
+ switch (p[i].pin) {
+ case CX25840_PIN_DVALID_PRGM0:
+ if (p[i].flags & BIT(V4L2_SUBDEV_IO_PIN_DISABLE))
+ pinctrl[0] &= ~BIT(6);
+ else
+ pinctrl[0] |= BIT(6);
+
+ pinconf[3] &= 0xf0;
+ pinconf[3] |= cx25840_function_to_pad(client,
+ p[i].function);
+
+ cx25840_set_invert(&pinctrl[3], &voutctrl4,
+ p[i].function,
+ CX25840_PIN_DVALID_PRGM0,
+ p[i].flags &
+ BIT(V4L2_SUBDEV_IO_PIN_ACTIVE_LOW));
+
+ pinctrl[4] &= ~(3 << 2); /* CX25840_PIN_DRIVE_MEDIUM */
+ switch (strength) {
+ case CX25840_PIN_DRIVE_SLOW:
+ pinctrl[4] |= 1 << 2;
+ break;
+
+ case CX25840_PIN_DRIVE_FAST:
+ pinctrl[4] |= 2 << 2;
+ break;
+ }
+
+ break;
+
+ case CX25840_PIN_HRESET_PRGM2:
+ if (p[i].flags & BIT(V4L2_SUBDEV_IO_PIN_DISABLE))
+ pinctrl[1] &= ~BIT(0);
+ else
+ pinctrl[1] |= BIT(0);
+
+ pinconf[4] &= 0xf0;
+ pinconf[4] |= cx25840_function_to_pad(client,
+ p[i].function);
+
+ cx25840_set_invert(&pinctrl[3], &voutctrl4,
+ p[i].function,
+ CX25840_PIN_HRESET_PRGM2,
+ p[i].flags &
+ BIT(V4L2_SUBDEV_IO_PIN_ACTIVE_LOW));
+
+ pinctrl[4] &= ~(3 << 2); /* CX25840_PIN_DRIVE_MEDIUM */
+ switch (strength) {
+ case CX25840_PIN_DRIVE_SLOW:
+ pinctrl[4] |= 1 << 2;
+ break;
+
+ case CX25840_PIN_DRIVE_FAST:
+ pinctrl[4] |= 2 << 2;
+ break;
+ }
+
+ break;
+
+ case CX25840_PIN_PLL_CLK_PRGM7:
+ if (p[i].flags & BIT(V4L2_SUBDEV_IO_PIN_DISABLE))
+ pinctrl[2] &= ~BIT(2);
+ else
+ pinctrl[2] |= BIT(2);
+
+ switch (p[i].function) {
+ case CX25840_PAD_XTI_X5_DLL:
+ pinconf[6] = 0;
+ break;
+
+ case CX25840_PAD_AUX_PLL:
+ pinconf[6] = 1;
+ break;
+
+ case CX25840_PAD_VID_PLL:
+ pinconf[6] = 5;
+ break;
+
+ case CX25840_PAD_XTI:
+ pinconf[6] = 2;
+ break;
+
+ default:
+ pinconf[6] = 3;
+ pinconf[6] |=
+ cx25840_function_to_pad(client,
+ p[i].function)
+ << 4;
+ }
+
+ break;
+
+ default:
+ v4l_err(client, "invalid or unsupported pin %u\n",
+ (unsigned int)p[i].pin);
+ break;
+ }
+ }
+
+ cx25840_write(client, 0x407, voutctrl4);
+
+ for (i = 0; i < 6; i++)
+ cx25840_write(client, 0x114 + i, pinctrl[i]);
+
+ for (i = 0; i < 10; i++)
+ cx25840_write(client, 0x11c + i, pinconf[i]);
+
+ return 0;
+}
+
static int common_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
- struct v4l2_subdev_io_pin_config *pincfg)
+ struct v4l2_subdev_io_pin_config *pincfg)
{
struct cx25840_state *state = to_state(sd);
if (is_cx2388x(state))
return cx23885_s_io_pin_config(sd, n, pincfg);
+ else if (is_cx2584x(state))
+ return cx25840_s_io_pin_config(sd, n, pincfg);
return 0;
}
@@ -321,8 +537,10 @@ static int common_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
static void init_dll1(struct i2c_client *client)
{
- /* This is the Hauppauge sequence used to
- * initialize the Delay Lock Loop 1 (ADC DLL). */
+ /*
+ * This is the Hauppauge sequence used to
+ * initialize the Delay Lock Loop 1 (ADC DLL).
+ */
cx25840_write(client, 0x159, 0x23);
cx25840_write(client, 0x15a, 0x87);
cx25840_write(client, 0x15b, 0x06);
@@ -337,8 +555,10 @@ static void init_dll1(struct i2c_client *client)
static void init_dll2(struct i2c_client *client)
{
- /* This is the Hauppauge sequence used to
- * initialize the Delay Lock Loop 2 (ADC DLL). */
+ /*
+ * This is the Hauppauge sequence used to
+ * initialize the Delay Lock Loop 2 (ADC DLL).
+ */
cx25840_write(client, 0x15d, 0xe3);
cx25840_write(client, 0x15e, 0x86);
cx25840_write(client, 0x15f, 0x06);
@@ -350,7 +570,11 @@ static void init_dll2(struct i2c_client *client)
static void cx25836_initialize(struct i2c_client *client)
{
- /* reset configuration is described on page 3-77 of the CX25836 datasheet */
+ /*
+ *reset configuration is described on page 3-77
+ * of the CX25836 datasheet
+ */
+
/* 2. */
cx25840_and_or(client, 0x000, ~0x01, 0x01);
cx25840_and_or(client, 0x000, ~0x01, 0x00);
@@ -376,10 +600,96 @@ static void cx25836_initialize(struct i2c_client *client)
static void cx25840_work_handler(struct work_struct *work)
{
struct cx25840_state *state = container_of(work, struct cx25840_state, fw_work);
+
cx25840_loadfw(state->c);
wake_up(&state->fw_wait);
}
+#define CX25840_VCONFIG_SET_BIT(state, opt_msk, voc, idx, bit, oneval) \
+ do { \
+ if ((state)->vid_config & (opt_msk)) { \
+ if (((state)->vid_config & (opt_msk)) == \
+ (oneval)) \
+ (voc)[idx] |= BIT(bit); \
+ else \
+ (voc)[idx] &= ~BIT(bit); \
+ } \
+ } while (0)
+
+/* apply current vconfig to hardware regs */
+static void cx25840_vconfig_apply(struct i2c_client *client)
+{
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
+ u8 voutctrl[3];
+ unsigned int i;
+
+ for (i = 0; i < 3; i++)
+ voutctrl[i] = cx25840_read(client, 0x404 + i);
+
+ if (state->vid_config & CX25840_VCONFIG_FMT_MASK)
+ voutctrl[0] &= ~3;
+ switch (state->vid_config & CX25840_VCONFIG_FMT_MASK) {
+ case CX25840_VCONFIG_FMT_BT656:
+ voutctrl[0] |= 1;
+ break;
+
+ case CX25840_VCONFIG_FMT_VIP11:
+ voutctrl[0] |= 2;
+ break;
+
+ case CX25840_VCONFIG_FMT_VIP2:
+ voutctrl[0] |= 3;
+ break;
+
+ case CX25840_VCONFIG_FMT_BT601:
+ /* zero */
+ default:
+ break;
+ }
+
+ CX25840_VCONFIG_SET_BIT(state, CX25840_VCONFIG_RES_MASK, voutctrl,
+ 0, 2, CX25840_VCONFIG_RES_10BIT);
+ CX25840_VCONFIG_SET_BIT(state, CX25840_VCONFIG_VBIRAW_MASK, voutctrl,
+ 0, 3, CX25840_VCONFIG_VBIRAW_ENABLED);
+ CX25840_VCONFIG_SET_BIT(state, CX25840_VCONFIG_ANCDATA_MASK, voutctrl,
+ 0, 4, CX25840_VCONFIG_ANCDATA_ENABLED);
+ CX25840_VCONFIG_SET_BIT(state, CX25840_VCONFIG_TASKBIT_MASK, voutctrl,
+ 0, 5, CX25840_VCONFIG_TASKBIT_ONE);
+ CX25840_VCONFIG_SET_BIT(state, CX25840_VCONFIG_ACTIVE_MASK, voutctrl,
+ 1, 2, CX25840_VCONFIG_ACTIVE_HORIZONTAL);
+ CX25840_VCONFIG_SET_BIT(state, CX25840_VCONFIG_VALID_MASK, voutctrl,
+ 1, 3, CX25840_VCONFIG_VALID_ANDACTIVE);
+ CX25840_VCONFIG_SET_BIT(state, CX25840_VCONFIG_HRESETW_MASK, voutctrl,
+ 1, 4, CX25840_VCONFIG_HRESETW_PIXCLK);
+
+ if (state->vid_config & CX25840_VCONFIG_CLKGATE_MASK)
+ voutctrl[1] &= ~(3 << 6);
+ switch (state->vid_config & CX25840_VCONFIG_CLKGATE_MASK) {
+ case CX25840_VCONFIG_CLKGATE_VALID:
+ voutctrl[1] |= 2;
+ break;
+
+ case CX25840_VCONFIG_CLKGATE_VALIDACTIVE:
+ voutctrl[1] |= 3;
+ break;
+
+ case CX25840_VCONFIG_CLKGATE_NONE:
+ /* zero */
+ default:
+ break;
+ }
+
+ CX25840_VCONFIG_SET_BIT(state, CX25840_VCONFIG_DCMODE_MASK, voutctrl,
+ 2, 0, CX25840_VCONFIG_DCMODE_BYTES);
+ CX25840_VCONFIG_SET_BIT(state, CX25840_VCONFIG_IDID0S_MASK, voutctrl,
+ 2, 1, CX25840_VCONFIG_IDID0S_LINECNT);
+ CX25840_VCONFIG_SET_BIT(state, CX25840_VCONFIG_VIPCLAMP_MASK, voutctrl,
+ 2, 4, CX25840_VCONFIG_VIPCLAMP_ENABLED);
+
+ for (i = 0; i < 3; i++)
+ cx25840_write(client, 0x404 + i, voutctrl[i]);
+}
+
static void cx25840_initialize(struct i2c_client *client)
{
DEFINE_WAIT(wait);
@@ -389,8 +699,10 @@ static void cx25840_initialize(struct i2c_client *client)
/* datasheet startup in numbered steps, refer to page 3-77 */
/* 2. */
cx25840_and_or(client, 0x803, ~0x10, 0x00);
- /* The default of this register should be 4, but I get 0 instead.
- * Set this register to 4 manually. */
+ /*
+ * The default of this register should be 4, but I get 0 instead.
+ * Set this register to 4 manually.
+ */
cx25840_write(client, 0x000, 0x04);
/* 3. */
init_dll1(client);
@@ -400,10 +712,12 @@ static void cx25840_initialize(struct i2c_client *client)
cx25840_write(client, 0x13c, 0x01);
cx25840_write(client, 0x13c, 0x00);
/* 5. */
- /* 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. */
+ /*
+ * 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");
@@ -446,6 +760,9 @@ static void cx25840_initialize(struct i2c_client *client)
/* (re)set input */
set_input(client, state->vid_input, state->aud_input);
+ if (state->generic_mode)
+ cx25840_vconfig_apply(client);
+
/* start microcontroller */
cx25840_and_or(client, 0x803, ~0x10, 0x10);
}
@@ -632,10 +949,12 @@ static void cx23885_initialize(struct i2c_client *client)
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
- firmware. */
+ /*
+ * 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");
@@ -647,7 +966,8 @@ static void cx23885_initialize(struct i2c_client *client)
destroy_workqueue(q);
}
- /* Call the cx23888 specific std setup func, we no longer rely on
+ /*
+ * Call the cx23888 specific std setup func, we no longer rely on
* the generic cx24840 func.
*/
if (is_cx23888(state))
@@ -669,7 +989,9 @@ static void cx23885_initialize(struct i2c_client *client)
cx25840_write(client, CX25840_AUD_INT_STAT_REG, 0xff);
/* CC raw enable */
- /* - VIP 1.1 control codes - 10bit, blue field enable.
+
+ /*
+ * - VIP 1.1 control codes - 10bit, blue field enable.
* - enable raw data during vertical blanking.
* - enable ancillary Data insertion for 656 or VIP.
*/
@@ -752,10 +1074,12 @@ static void cx231xx_initialize(struct i2c_client *client)
/* 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. */
+ /*
+ * 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");
@@ -800,13 +1124,20 @@ void cx25840_std_setup(struct i2c_client *client)
else
cx25840_write(client, 0x49f, 0x14);
+ /* generic mode uses the values that the chip autoconfig would set */
if (std & V4L2_STD_625_50) {
hblank = 132;
hactive = 720;
burst = 93;
- vblank = 36;
- vactive = 580;
- vblank656 = 40;
+ if (state->generic_mode) {
+ vblank = 34;
+ vactive = 576;
+ vblank656 = 38;
+ } else {
+ vblank = 36;
+ vactive = 580;
+ vblank656 = 40;
+ }
src_decimation = 0x21f;
luma_lpf = 2;
@@ -815,6 +1146,10 @@ void cx25840_std_setup(struct i2c_client *client)
comb = 0;
sc = 0x0a425f;
} else if (std == V4L2_STD_PAL_Nc) {
+ if (state->generic_mode) {
+ burst = 95;
+ luma_lpf = 1;
+ }
uv_lpf = 1;
comb = 0x20;
sc = 556453;
@@ -829,12 +1164,20 @@ void cx25840_std_setup(struct i2c_client *client)
vactive = 487;
luma_lpf = 1;
uv_lpf = 1;
+ if (state->generic_mode) {
+ vblank = 20;
+ vblank656 = 24;
+ }
src_decimation = 0x21f;
if (std == V4L2_STD_PAL_60) {
- vblank = 26;
- vblank656 = 26;
- burst = 0x5b;
+ if (!state->generic_mode) {
+ vblank = 26;
+ vblank656 = 26;
+ burst = 0x5b;
+ } else {
+ burst = 0x59;
+ }
luma_lpf = 2;
comb = 0x20;
sc = 688739;
@@ -845,8 +1188,10 @@ void cx25840_std_setup(struct i2c_client *client)
comb = 0x20;
sc = 555452;
} else {
- vblank = 26;
- vblank656 = 26;
+ if (!state->generic_mode) {
+ vblank = 26;
+ vblank656 = 26;
+ }
burst = 0x5b;
comb = 0x66;
sc = 556063;
@@ -867,24 +1212,28 @@ void cx25840_std_setup(struct i2c_client *client)
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);
+ 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);
+ "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);
+ "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",
+ 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);
+ src_decimation, burst, luma_lpf, uv_lpf,
+ comb, sc);
}
}
@@ -939,10 +1288,10 @@ static void input_change(struct i2c_client *client)
/* Follow step 8c and 8d of section 3.16 in the cx25840 datasheet */
if (std & V4L2_STD_SECAM) {
cx25840_write(client, 0x402, 0);
- }
- else {
+ } else {
cx25840_write(client, 0x402, 0x04);
- cx25840_write(client, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
+ cx25840_write(client, 0x49f,
+ (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
}
cx25840_and_or(client, 0x401, ~0x60, 0);
cx25840_and_or(client, 0x401, ~0x60, 0x60);
@@ -956,13 +1305,14 @@ static void input_change(struct i2c_client *client)
if (state->radio) {
cx25840_write(client, 0x808, 0xf9);
cx25840_write(client, 0x80b, 0x00);
- }
- else if (std & V4L2_STD_525_60) {
- /* Certain Hauppauge PVR150 models have a hardware bug
- that causes audio to drop out. For these models the
- audio standard must be set explicitly.
- To be precise: it affects cards with tuner models
- 85, 99 and 112 (model numbers from tveeprom). */
+ } else if (std & V4L2_STD_525_60) {
+ /*
+ * Certain Hauppauge PVR150 models have a hardware bug
+ * that causes audio to drop out. For these models the
+ * audio standard must be set explicitly.
+ * To be precise: it affects cards with tuner models
+ * 85, 99 and 112 (model numbers from tveeprom).
+ */
int hw_fix = state->pvr150_workaround;
if (std == V4L2_STD_NTSC_M_JP) {
@@ -979,35 +1329,40 @@ static void input_change(struct i2c_client *client)
} else if (std & V4L2_STD_PAL) {
/* Autodetect audio standard and audio system */
cx25840_write(client, 0x808, 0xff);
- /* Since system PAL-L is pretty much non-existent 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 */
+ /*
+ * Since system PAL-L is pretty much non-existent 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) {
/* Autodetect audio standard and audio system */
cx25840_write(client, 0x808, 0xff);
- /* If only one of SECAM-DK / SECAM-L is required, then force
- 6.5MHz carrier, else autodetect it */
+ /*
+ * 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))) {
+ } 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 {
+ } else {
/* 6.5 MHz carrier to be autodetected */
cx25840_write(client, 0x80b, 0x10);
- }
+ }
}
cx25840_and_or(client, 0x810, ~0x01, 0);
}
-static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input,
- enum cx25840_audio_input aud_input)
+static int set_input(struct i2c_client *client,
+ enum cx25840_video_input vid_input,
+ enum cx25840_audio_input aud_input)
{
struct cx25840_state *state = to_state(i2c_get_clientdata(client));
u8 is_composite = (vid_input >= CX25840_COMPOSITE1 &&
@@ -1032,7 +1387,7 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
vid_input);
reg = vid_input & 0xff;
is_composite = !is_component &&
- ((vid_input & CX25840_SVIDEO_ON) != CX25840_SVIDEO_ON);
+ ((vid_input & CX25840_SVIDEO_ON) != CX25840_SVIDEO_ON);
v4l_dbg(1, cx25840_debug, client, "mux cfg 0x%x comp=%d\n",
reg, is_composite);
@@ -1040,8 +1395,10 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
reg = 0xf0 + (vid_input - CX25840_COMPOSITE1);
} else {
if ((vid_input & ~0xff0) ||
- luma < CX25840_SVIDEO_LUMA1 || luma > CX25840_SVIDEO_LUMA8 ||
- chroma < CX25840_SVIDEO_CHROMA4 || chroma > CX25840_SVIDEO_CHROMA8) {
+ luma < CX25840_SVIDEO_LUMA1 ||
+ luma > CX25840_SVIDEO_LUMA8 ||
+ chroma < CX25840_SVIDEO_CHROMA4 ||
+ chroma > CX25840_SVIDEO_CHROMA8) {
v4l_err(client, "0x%04x is not a valid video input!\n",
vid_input);
return -EINVAL;
@@ -1065,12 +1422,24 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
case CX25840_AUDIO_SERIAL:
/* do nothing, use serial audio input */
break;
- case CX25840_AUDIO4: reg &= ~0x30; break;
- case CX25840_AUDIO5: reg &= ~0x30; reg |= 0x10; break;
- case CX25840_AUDIO6: reg &= ~0x30; reg |= 0x20; break;
- case CX25840_AUDIO7: reg &= ~0xc0; break;
- case CX25840_AUDIO8: reg &= ~0xc0; reg |= 0x40; break;
-
+ case CX25840_AUDIO4:
+ reg &= ~0x30;
+ break;
+ case CX25840_AUDIO5:
+ reg &= ~0x30;
+ reg |= 0x10;
+ break;
+ case CX25840_AUDIO6:
+ reg &= ~0x30;
+ reg |= 0x20;
+ break;
+ case CX25840_AUDIO7:
+ reg &= ~0xc0;
+ break;
+ case CX25840_AUDIO8:
+ reg &= ~0xc0;
+ reg |= 0x40;
+ break;
default:
v4l_err(client, "0x%04x is not a valid audio input!\n",
aud_input);
@@ -1087,7 +1456,6 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
cx25840_and_or(client, 0x401, ~0x6, is_composite ? 0 : 0x02);
if (is_cx2388x(state)) {
-
/* Enable or disable the DIF for tuner use */
if (is_dif) {
cx25840_and_or(client, 0x102, ~0x80, 0x80);
@@ -1118,15 +1486,23 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
cx25840_write4(client, 0x410, 0xffff0dbf);
cx25840_write4(client, 0x414, 0x00137d03);
- cx25840_write4(client, state->vbi_regs_offset + 0x42c, 0x42600000);
- cx25840_write4(client, state->vbi_regs_offset + 0x430, 0x0000039b);
- cx25840_write4(client, state->vbi_regs_offset + 0x438, 0x00000000);
-
- cx25840_write4(client, state->vbi_regs_offset + 0x440, 0xF8E3E824);
- cx25840_write4(client, state->vbi_regs_offset + 0x444, 0x401040dc);
- cx25840_write4(client, state->vbi_regs_offset + 0x448, 0xcd3f02a0);
- cx25840_write4(client, state->vbi_regs_offset + 0x44c, 0x161f1000);
- cx25840_write4(client, state->vbi_regs_offset + 0x450, 0x00000802);
+ cx25840_write4(client, state->vbi_regs_offset + 0x42c,
+ 0x42600000);
+ cx25840_write4(client, state->vbi_regs_offset + 0x430,
+ 0x0000039b);
+ cx25840_write4(client, state->vbi_regs_offset + 0x438,
+ 0x00000000);
+
+ cx25840_write4(client, state->vbi_regs_offset + 0x440,
+ 0xF8E3E824);
+ cx25840_write4(client, state->vbi_regs_offset + 0x444,
+ 0x401040dc);
+ cx25840_write4(client, state->vbi_regs_offset + 0x448,
+ 0xcd3f02a0);
+ cx25840_write4(client, state->vbi_regs_offset + 0x44c,
+ 0x161f1000);
+ cx25840_write4(client, state->vbi_regs_offset + 0x450,
+ 0x00000802);
cx25840_write4(client, 0x91c, 0x01000000);
cx25840_write4(client, 0x8e0, 0x03063870);
@@ -1193,8 +1569,9 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
* Only one of the two will be in use.
*/
cx25840_write4(client, AFE_CTRL, val);
- } else
+ } else {
cx25840_and_or(client, 0x102, ~0x2, 0);
+ }
}
state->vid_input = vid_input;
@@ -1233,29 +1610,32 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
cx25840_write(client, 0x919, 0x01);
}
- if (is_cx2388x(state) && ((aud_input == CX25840_AUDIO7) ||
- (aud_input == CX25840_AUDIO6))) {
+ if (is_cx2388x(state) &&
+ ((aud_input == CX25840_AUDIO7) || (aud_input == CX25840_AUDIO6))) {
/* Configure audio from LR1 or LR2 input */
cx25840_write4(client, 0x910, 0);
cx25840_write4(client, 0x8d0, 0x63073);
- } else
- if (is_cx2388x(state) && (aud_input == CX25840_AUDIO8)) {
+ } else if (is_cx2388x(state) && (aud_input == CX25840_AUDIO8)) {
/* Configure audio from tuner/sif input */
cx25840_write4(client, 0x910, 0x12b000c9);
cx25840_write4(client, 0x8d0, 0x1f063870);
}
if (is_cx23888(state)) {
- /* HVR1850 */
- /* AUD_IO_CTRL - I2S Input, Parallel1*/
- /* - Channel 1 src - Parallel1 (Merlin out) */
- /* - Channel 2 src - Parallel2 (Merlin out) */
- /* - Channel 3 src - Parallel3 (Merlin AC97 out) */
- /* - I2S source and dir - Merlin, output */
+ /*
+ * HVR1850
+ *
+ * AUD_IO_CTRL - I2S Input, Parallel1
+ * - Channel 1 src - Parallel1 (Merlin out)
+ * - Channel 2 src - Parallel2 (Merlin out)
+ * - Channel 3 src - Parallel3 (Merlin AC97 out)
+ * - I2S source and dir - Merlin, output
+ */
cx25840_write4(client, 0x124, 0x100);
if (!is_dif) {
- /* Stop microcontroller if we don't need it
+ /*
+ * Stop microcontroller if we don't need it
* to avoid audio popping on svideo/composite use.
*/
cx25840_and_or(client, 0x803, ~0x10, 0x00);
@@ -1297,11 +1677,14 @@ static int set_v4lstd(struct i2c_client *client)
fmt = 0xc;
}
- v4l_dbg(1, cx25840_debug, client, "changing video std to fmt %i\n",fmt);
+ v4l_dbg(1, cx25840_debug, client,
+ "changing video std to fmt %i\n", fmt);
- /* Follow step 9 of section 3.16 in the cx25840 datasheet.
- Without this PAL may display a vertical ghosting effect.
- This happens for example with the Yuan MPC622. */
+ /*
+ * Follow step 9 of section 3.16 in the cx25840 datasheet.
+ * Without this PAL may display a vertical ghosting effect.
+ * This happens for example with the Yuan MPC622.
+ */
if (fmt >= 4 && fmt < 8) {
/* Set format to NTSC-M */
cx25840_and_or(client, 0x400, ~0xf, 1);
@@ -1363,14 +1746,15 @@ static int cx25840_s_ctrl(struct v4l2_ctrl *ctrl)
/* ----------------------------------------------------------------------- */
static int cx25840_set_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_pad_config *cfg,
- struct v4l2_subdev_format *format)
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_format *format)
{
struct v4l2_mbus_framefmt *fmt = &format->format;
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
- int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
- int is_50Hz = !(state->std & V4L2_STD_525_60);
+ u32 hsc, vsc, v_src, h_src, v_add;
+ int filter;
+ int is_50hz = !(state->std & V4L2_STD_525_60);
if (format->pad || fmt->code != MEDIA_BUS_FMT_FIXED)
return -EINVAL;
@@ -1379,42 +1763,63 @@ static int cx25840_set_fmt(struct v4l2_subdev *sd,
fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
if (is_cx23888(state)) {
- Vsrc = (cx25840_read(client, 0x42a) & 0x3f) << 4;
- Vsrc |= (cx25840_read(client, 0x429) & 0xf0) >> 4;
+ v_src = (cx25840_read(client, 0x42a) & 0x3f) << 4;
+ v_src |= (cx25840_read(client, 0x429) & 0xf0) >> 4;
} else {
- Vsrc = (cx25840_read(client, 0x476) & 0x3f) << 4;
- Vsrc |= (cx25840_read(client, 0x475) & 0xf0) >> 4;
+ v_src = (cx25840_read(client, 0x476) & 0x3f) << 4;
+ v_src |= (cx25840_read(client, 0x475) & 0xf0) >> 4;
}
if (is_cx23888(state)) {
- Hsrc = (cx25840_read(client, 0x426) & 0x3f) << 4;
- Hsrc |= (cx25840_read(client, 0x425) & 0xf0) >> 4;
+ h_src = (cx25840_read(client, 0x426) & 0x3f) << 4;
+ h_src |= (cx25840_read(client, 0x425) & 0xf0) >> 4;
} else {
- Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4;
- Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4;
+ h_src = (cx25840_read(client, 0x472) & 0x3f) << 4;
+ h_src |= (cx25840_read(client, 0x471) & 0xf0) >> 4;
}
- Vlines = fmt->height + (is_50Hz ? 4 : 7);
+ if (!state->generic_mode) {
+ v_add = is_50hz ? 4 : 7;
- /*
- * We keep 1 margin for the Vsrc < Vlines check since the
- * cx23888 reports a Vsrc of 486 instead of 487 for the NTSC
- * height. Without that margin the cx23885 fails in this
- * check.
- */
- if ((fmt->width == 0) || (Vlines == 0) ||
- (fmt->width * 16 < Hsrc) || (Hsrc < fmt->width) ||
- (Vlines * 8 < Vsrc) || (Vsrc + 1 < Vlines)) {
- v4l_err(client, "%dx%d is not a valid size!\n",
- fmt->width, fmt->height);
- return -ERANGE;
+ /*
+ * cx23888 in 525-line mode is programmed for 486 active lines
+ * while other chips use 487 active lines.
+ *
+ * See reg 0x428 bits [21:12] in cx23888_std_setup() vs
+ * vactive in cx25840_std_setup().
+ */
+ if (is_cx23888(state) && !is_50hz)
+ v_add--;
+ } else {
+ v_add = 0;
}
+
+ if (h_src == 0 ||
+ v_src <= v_add) {
+ v4l_err(client,
+ "chip reported picture size (%u x %u) is far too small\n",
+ (unsigned int)h_src, (unsigned int)v_src);
+ /*
+ * that's the best we can do since the output picture
+ * size is completely unknown in this case
+ */
+ return -EINVAL;
+ }
+
+ fmt->width = clamp(fmt->width, (h_src + 15) / 16, h_src);
+
+ if (v_add * 8 >= v_src)
+ fmt->height = clamp(fmt->height, (u32)1, v_src - v_add);
+ else
+ fmt->height = clamp(fmt->height, (v_src - v_add * 8 + 7) / 8,
+ v_src - v_add);
+
if (format->which == V4L2_SUBDEV_FORMAT_TRY)
return 0;
- HSC = (Hsrc * (1 << 20)) / fmt->width - (1 << 20);
- VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9));
- VSC &= 0x1fff;
+ hsc = (h_src * (1 << 20)) / fmt->width - (1 << 20);
+ vsc = (1 << 16) - (v_src * (1 << 9) / (fmt->height + v_add) - (1 << 9));
+ vsc &= 0x1fff;
if (fmt->width >= 385)
filter = 0;
@@ -1425,21 +1830,23 @@ static int cx25840_set_fmt(struct v4l2_subdev *sd,
else
filter = 3;
- v4l_dbg(1, cx25840_debug, client, "decoder set size %dx%d -> scale %ux%u\n",
- fmt->width, fmt->height, HSC, VSC);
+ v4l_dbg(1, cx25840_debug, client,
+ "decoder set size %u x %u with scale %x x %x\n",
+ (unsigned int)fmt->width, (unsigned int)fmt->height,
+ (unsigned int)hsc, (unsigned int)vsc);
- /* HSCALE=HSC */
+ /* HSCALE=hsc */
if (is_cx23888(state)) {
- cx25840_write4(client, 0x434, HSC | (1 << 24));
- /* VSCALE=VSC VS_INTRLACE=1 VFILT=filter */
- cx25840_write4(client, 0x438, VSC | (1 << 19) | (filter << 16));
+ cx25840_write4(client, 0x434, hsc | (1 << 24));
+ /* VSCALE=vsc VS_INTRLACE=1 VFILT=filter */
+ cx25840_write4(client, 0x438, vsc | (1 << 19) | (filter << 16));
} else {
- cx25840_write(client, 0x418, HSC & 0xff);
- cx25840_write(client, 0x419, (HSC >> 8) & 0xff);
- cx25840_write(client, 0x41a, HSC >> 16);
- /* VSCALE=VSC */
- cx25840_write(client, 0x41c, VSC & 0xff);
- cx25840_write(client, 0x41d, VSC >> 8);
+ cx25840_write(client, 0x418, hsc & 0xff);
+ cx25840_write(client, 0x419, (hsc >> 8) & 0xff);
+ cx25840_write(client, 0x41a, hsc >> 16);
+ /* VSCALE=vsc */
+ cx25840_write(client, 0x41c, vsc & 0xff);
+ cx25840_write(client, 0x41d, vsc >> 8);
/* VS_INTRLACE=1 VFILT=filter */
cx25840_write(client, 0x41e, 0x8 | filter);
}
@@ -1466,23 +1873,25 @@ static void log_video_status(struct i2c_client *client)
int vid_input = state->vid_input;
v4l_info(client, "Video signal: %spresent\n",
- (gen_stat2 & 0x20) ? "" : "not ");
+ (gen_stat2 & 0x20) ? "" : "not ");
v4l_info(client, "Detected format: %s\n",
- fmt_strs[gen_stat1 & 0xf]);
+ fmt_strs[gen_stat1 & 0xf]);
v4l_info(client, "Specified standard: %s\n",
- vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
+ vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection");
if (vid_input >= CX25840_COMPOSITE1 &&
vid_input <= CX25840_COMPOSITE8) {
v4l_info(client, "Specified video input: Composite %d\n",
- vid_input - CX25840_COMPOSITE1 + 1);
+ vid_input - CX25840_COMPOSITE1 + 1);
} else {
- v4l_info(client, "Specified video input: S-Video (Luma In%d, Chroma In%d)\n",
- (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8);
+ v4l_info(client,
+ "Specified video input: S-Video (Luma In%d, Chroma In%d)\n",
+ (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8);
}
- v4l_info(client, "Specified audioclock freq: %d Hz\n", state->audclk_freq);
+ v4l_info(client, "Specified audioclock freq: %d Hz\n",
+ state->audclk_freq);
}
/* ----------------------------------------------------------------------- */
@@ -1501,177 +1910,434 @@ static void log_audio_status(struct i2c_client *client)
char *p;
switch (mod_det_stat0) {
- case 0x00: p = "mono"; break;
- case 0x01: p = "stereo"; break;
- case 0x02: p = "dual"; break;
- case 0x04: p = "tri"; break;
- case 0x10: p = "mono with SAP"; break;
- case 0x11: p = "stereo with SAP"; break;
- case 0x12: p = "dual with SAP"; break;
- case 0x14: p = "tri with SAP"; break;
- case 0xfe: p = "forced mode"; break;
- default: p = "not defined";
+ case 0x00:
+ p = "mono";
+ break;
+ case 0x01:
+ p = "stereo";
+ break;
+ case 0x02:
+ p = "dual";
+ break;
+ case 0x04:
+ p = "tri";
+ break;
+ case 0x10:
+ p = "mono with SAP";
+ break;
+ case 0x11:
+ p = "stereo with SAP";
+ break;
+ case 0x12:
+ p = "dual with SAP";
+ break;
+ case 0x14:
+ p = "tri with SAP";
+ break;
+ case 0xfe:
+ p = "forced mode";
+ break;
+ default:
+ p = "not defined";
}
v4l_info(client, "Detected audio mode: %s\n", p);
switch (mod_det_stat1) {
- case 0x00: p = "not defined"; break;
- case 0x01: p = "EIAJ"; break;
- case 0x02: p = "A2-M"; break;
- case 0x03: p = "A2-BG"; break;
- case 0x04: p = "A2-DK1"; break;
- case 0x05: p = "A2-DK2"; break;
- case 0x06: p = "A2-DK3"; break;
- case 0x07: p = "A1 (6.0 MHz FM Mono)"; break;
- case 0x08: p = "AM-L"; break;
- case 0x09: p = "NICAM-BG"; break;
- case 0x0a: p = "NICAM-DK"; break;
- case 0x0b: p = "NICAM-I"; break;
- case 0x0c: p = "NICAM-L"; break;
- case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break;
- case 0x0e: p = "IF FM Radio"; break;
- case 0x0f: p = "BTSC"; break;
- case 0x10: p = "high-deviation FM"; break;
- case 0x11: p = "very high-deviation FM"; break;
- case 0xfd: p = "unknown audio standard"; break;
- case 0xfe: p = "forced audio standard"; break;
- case 0xff: p = "no detected audio standard"; break;
- default: p = "not defined";
+ case 0x00:
+ p = "not defined";
+ break;
+ case 0x01:
+ p = "EIAJ";
+ break;
+ case 0x02:
+ p = "A2-M";
+ break;
+ case 0x03:
+ p = "A2-BG";
+ break;
+ case 0x04:
+ p = "A2-DK1";
+ break;
+ case 0x05:
+ p = "A2-DK2";
+ break;
+ case 0x06:
+ p = "A2-DK3";
+ break;
+ case 0x07:
+ p = "A1 (6.0 MHz FM Mono)";
+ break;
+ case 0x08:
+ p = "AM-L";
+ break;
+ case 0x09:
+ p = "NICAM-BG";
+ break;
+ case 0x0a:
+ p = "NICAM-DK";
+ break;
+ case 0x0b:
+ p = "NICAM-I";
+ break;
+ case 0x0c:
+ p = "NICAM-L";
+ break;
+ case 0x0d:
+ p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)";
+ break;
+ case 0x0e:
+ p = "IF FM Radio";
+ break;
+ case 0x0f:
+ p = "BTSC";
+ break;
+ case 0x10:
+ p = "high-deviation FM";
+ break;
+ case 0x11:
+ p = "very high-deviation FM";
+ break;
+ case 0xfd:
+ p = "unknown audio standard";
+ break;
+ case 0xfe:
+ p = "forced audio standard";
+ break;
+ case 0xff:
+ p = "no detected audio standard";
+ break;
+ default:
+ p = "not defined";
}
v4l_info(client, "Detected audio standard: %s\n", p);
v4l_info(client, "Audio microcontroller: %s\n",
- (download_ctl & 0x10) ?
- ((mute_ctl & 0x2) ? "detecting" : "running") : "stopped");
+ (download_ctl & 0x10) ?
+ ((mute_ctl & 0x2) ? "detecting" : "running") : "stopped");
switch (audio_config >> 4) {
- case 0x00: p = "undefined"; break;
- case 0x01: p = "BTSC"; break;
- case 0x02: p = "EIAJ"; break;
- case 0x03: p = "A2-M"; break;
- case 0x04: p = "A2-BG"; break;
- case 0x05: p = "A2-DK1"; break;
- case 0x06: p = "A2-DK2"; break;
- case 0x07: p = "A2-DK3"; break;
- case 0x08: p = "A1 (6.0 MHz FM Mono)"; break;
- case 0x09: p = "AM-L"; break;
- case 0x0a: p = "NICAM-BG"; break;
- case 0x0b: p = "NICAM-DK"; break;
- case 0x0c: p = "NICAM-I"; break;
- case 0x0d: p = "NICAM-L"; break;
- case 0x0e: p = "FM radio"; break;
- case 0x0f: p = "automatic detection"; break;
- default: p = "undefined";
+ case 0x00:
+ p = "undefined";
+ break;
+ case 0x01:
+ p = "BTSC";
+ break;
+ case 0x02:
+ p = "EIAJ";
+ break;
+ case 0x03:
+ p = "A2-M";
+ break;
+ case 0x04:
+ p = "A2-BG";
+ break;
+ case 0x05:
+ p = "A2-DK1";
+ break;
+ case 0x06:
+ p = "A2-DK2";
+ break;
+ case 0x07:
+ p = "A2-DK3";
+ break;
+ case 0x08:
+ p = "A1 (6.0 MHz FM Mono)";
+ break;
+ case 0x09:
+ p = "AM-L";
+ break;
+ case 0x0a:
+ p = "NICAM-BG";
+ break;
+ case 0x0b:
+ p = "NICAM-DK";
+ break;
+ case 0x0c:
+ p = "NICAM-I";
+ break;
+ case 0x0d:
+ p = "NICAM-L";
+ break;
+ case 0x0e:
+ p = "FM radio";
+ break;
+ case 0x0f:
+ p = "automatic detection";
+ break;
+ default:
+ p = "undefined";
}
v4l_info(client, "Configured audio standard: %s\n", p);
if ((audio_config >> 4) < 0xF) {
switch (audio_config & 0xF) {
- case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break;
- case 0x01: p = "MONO2 (LANGUAGE B)"; break;
- case 0x02: p = "MONO3 (STEREO forced MONO)"; break;
- case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break;
- case 0x04: p = "STEREO"; break;
- case 0x05: p = "DUAL1 (AB)"; break;
- case 0x06: p = "DUAL2 (AC) (FM)"; break;
- case 0x07: p = "DUAL3 (BC) (FM)"; break;
- case 0x08: p = "DUAL4 (AC) (AM)"; break;
- case 0x09: p = "DUAL5 (BC) (AM)"; break;
- case 0x0a: p = "SAP"; break;
- default: p = "undefined";
+ case 0x00:
+ p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)";
+ break;
+ case 0x01:
+ p = "MONO2 (LANGUAGE B)";
+ break;
+ case 0x02:
+ p = "MONO3 (STEREO forced MONO)";
+ break;
+ case 0x03:
+ p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)";
+ break;
+ case 0x04:
+ p = "STEREO";
+ break;
+ case 0x05:
+ p = "DUAL1 (AB)";
+ break;
+ case 0x06:
+ p = "DUAL2 (AC) (FM)";
+ break;
+ case 0x07:
+ p = "DUAL3 (BC) (FM)";
+ break;
+ case 0x08:
+ p = "DUAL4 (AC) (AM)";
+ break;
+ case 0x09:
+ p = "DUAL5 (BC) (AM)";
+ break;
+ case 0x0a:
+ p = "SAP";
+ break;
+ default:
+ p = "undefined";
}
v4l_info(client, "Configured audio mode: %s\n", p);
} else {
switch (audio_config & 0xF) {
- case 0x00: p = "BG"; break;
- case 0x01: p = "DK1"; break;
- case 0x02: p = "DK2"; break;
- case 0x03: p = "DK3"; break;
- case 0x04: p = "I"; break;
- case 0x05: p = "L"; break;
- case 0x06: p = "BTSC"; break;
- case 0x07: p = "EIAJ"; break;
- case 0x08: p = "A2-M"; break;
- case 0x09: p = "FM Radio"; break;
- case 0x0f: p = "automatic standard and mode detection"; break;
- default: p = "undefined";
+ case 0x00:
+ p = "BG";
+ break;
+ case 0x01:
+ p = "DK1";
+ break;
+ case 0x02:
+ p = "DK2";
+ break;
+ case 0x03:
+ p = "DK3";
+ break;
+ case 0x04:
+ p = "I";
+ break;
+ case 0x05:
+ p = "L";
+ break;
+ case 0x06:
+ p = "BTSC";
+ break;
+ case 0x07:
+ p = "EIAJ";
+ break;
+ case 0x08:
+ p = "A2-M";
+ break;
+ case 0x09:
+ p = "FM Radio";
+ break;
+ case 0x0f:
+ p = "automatic standard and mode detection";
+ break;
+ default:
+ p = "undefined";
}
v4l_info(client, "Configured audio system: %s\n", p);
}
if (aud_input) {
- v4l_info(client, "Specified audio input: Tuner (In%d)\n", aud_input);
+ v4l_info(client, "Specified audio input: Tuner (In%d)\n",
+ aud_input);
} else {
v4l_info(client, "Specified audio input: External\n");
}
switch (pref_mode & 0xf) {
- case 0: p = "mono/language A"; break;
- case 1: p = "language B"; break;
- case 2: p = "language C"; break;
- case 3: p = "analog fallback"; break;
- case 4: p = "stereo"; break;
- case 5: p = "language AC"; break;
- case 6: p = "language BC"; break;
- case 7: p = "language AB"; break;
- default: p = "undefined";
+ case 0:
+ p = "mono/language A";
+ break;
+ case 1:
+ p = "language B";
+ break;
+ case 2:
+ p = "language C";
+ break;
+ case 3:
+ p = "analog fallback";
+ break;
+ case 4:
+ p = "stereo";
+ break;
+ case 5:
+ p = "language AC";
+ break;
+ case 6:
+ p = "language BC";
+ break;
+ case 7:
+ p = "language AB";
+ break;
+ default:
+ p = "undefined";
}
v4l_info(client, "Preferred audio mode: %s\n", p);
if ((audio_config & 0xf) == 0xf) {
switch ((afc0 >> 3) & 0x3) {
- case 0: p = "system DK"; break;
- case 1: p = "system L"; break;
- case 2: p = "autodetect"; break;
- default: p = "undefined";
+ case 0:
+ p = "system DK";
+ break;
+ case 1:
+ p = "system L";
+ break;
+ case 2:
+ p = "autodetect";
+ break;
+ default:
+ p = "undefined";
}
v4l_info(client, "Selected 65 MHz format: %s\n", p);
switch (afc0 & 0x7) {
- case 0: p = "chroma"; break;
- case 1: p = "BTSC"; break;
- case 2: p = "EIAJ"; break;
- case 3: p = "A2-M"; break;
- case 4: p = "autodetect"; break;
- default: p = "undefined";
+ case 0:
+ p = "chroma";
+ break;
+ case 1:
+ p = "BTSC";
+ break;
+ case 2:
+ p = "EIAJ";
+ break;
+ case 3:
+ p = "A2-M";
+ break;
+ case 4:
+ p = "autodetect";
+ break;
+ default:
+ p = "undefined";
}
v4l_info(client, "Selected 45 MHz format: %s\n", p);
}
}
+#define CX25840_VCONFIG_OPTION(state, cfg_in, opt_msk) \
+ do { \
+ if ((cfg_in) & (opt_msk)) { \
+ (state)->vid_config &= ~(opt_msk); \
+ (state)->vid_config |= (cfg_in) & (opt_msk); \
+ } \
+ } while (0)
+
+/* apply incoming options to the current vconfig */
+static void cx25840_vconfig_add(struct cx25840_state *state, u32 cfg_in)
+{
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_FMT_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_RES_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_VBIRAW_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_ANCDATA_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_TASKBIT_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_ACTIVE_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_VALID_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_HRESETW_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_CLKGATE_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_DCMODE_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_IDID0S_MASK);
+ CX25840_VCONFIG_OPTION(state, cfg_in, CX25840_VCONFIG_VIPCLAMP_MASK);
+}
+
/* ----------------------------------------------------------------------- */
-/* 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.
+/*
+ * Initializes the device in the generic mode.
+ * For cx2584x chips also adds additional video output settings provided
+ * in @val parameter (CX25840_VCONFIG_*).
+ *
+ * The generic mode disables some of the ivtv-related hacks in this driver.
+ * For cx2584x chips it also enables setting video output configuration while
+ * setting it according to datasheet defaults by default.
+ */
+static int cx25840_init(struct v4l2_subdev *sd, u32 val)
+{
+ struct cx25840_state *state = to_state(sd);
- Since loading the firmware is often problematic when the driver is
- compiled into the kernel I recommend postponing calling this function
- until the first open of the video device. Another reason for
- 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_load_fw(struct v4l2_subdev *sd)
+ state->generic_mode = true;
+
+ if (is_cx2584x(state)) {
+ /* set datasheet video output defaults */
+ state->vid_config = CX25840_VCONFIG_FMT_BT656 |
+ CX25840_VCONFIG_RES_8BIT |
+ CX25840_VCONFIG_VBIRAW_DISABLED |
+ CX25840_VCONFIG_ANCDATA_ENABLED |
+ CX25840_VCONFIG_TASKBIT_ONE |
+ CX25840_VCONFIG_ACTIVE_HORIZONTAL |
+ CX25840_VCONFIG_VALID_NORMAL |
+ CX25840_VCONFIG_HRESETW_NORMAL |
+ CX25840_VCONFIG_CLKGATE_NONE |
+ CX25840_VCONFIG_DCMODE_DWORDS |
+ CX25840_VCONFIG_IDID0S_NORMAL |
+ CX25840_VCONFIG_VIPCLAMP_DISABLED;
+
+ /* add additional settings */
+ cx25840_vconfig_add(state, val);
+ } else {
+ /* TODO: generic mode needs to be developed for other chips */
+ WARN_ON(1);
+ }
+
+ return 0;
+}
+
+static int cx25840_reset(struct v4l2_subdev *sd, u32 val)
{
struct cx25840_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
+ if (is_cx2583x(state))
+ cx25836_initialize(client);
+ else if (is_cx2388x(state))
+ cx23885_initialize(client);
+ else if (is_cx231xx(state))
+ cx231xx_initialize(client);
+ else
+ cx25840_initialize(client);
+
+ state->is_initialized = 1;
+
+ return 0;
+}
+
+/*
+ * This load_fw operation must be called to load the driver's firmware.
+ * This will load the firmware on the first invocation (further ones are NOP).
+ * Without this the audio standard detection will fail and you will
+ * only get mono.
+ * Alternatively, you can call the reset operation instead of this one.
+ *
+ * Since loading the firmware is often problematic when the driver is
+ * compiled into the kernel I recommend postponing calling this function
+ * until the first open of the video device. Another reason for
+ * 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_load_fw(struct v4l2_subdev *sd)
+{
+ struct cx25840_state *state = to_state(sd);
+
if (!state->is_initialized) {
/* initialize and load firmware */
- state->is_initialized = 1;
- if (is_cx2583x(state))
- cx25836_initialize(client);
- else if (is_cx2388x(state))
- cx23885_initialize(client);
- else if (is_cx231xx(state))
- cx231xx_initialize(client);
- else
- cx25840_initialize(client);
+ cx25840_reset(sd, 0);
}
return 0;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int cx25840_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
+static int cx25840_g_register(struct v4l2_subdev *sd,
+ struct v4l2_dbg_register *reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -1680,7 +2346,8 @@ static int cx25840_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
return 0;
}
-static int cx25840_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
+static int cx25840_s_register(struct v4l2_subdev *sd,
+ const struct v4l2_dbg_register *reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -1699,7 +2366,7 @@ static int cx25840_s_audio_stream(struct v4l2_subdev *sd, int enable)
return 0;
v4l_dbg(1, cx25840_debug, client, "%s audio output\n",
- enable ? "enable" : "disable");
+ enable ? "enable" : "disable");
if (enable) {
v = cx25840_read(client, 0x115) | 0x80;
@@ -1722,7 +2389,7 @@ static int cx25840_s_stream(struct v4l2_subdev *sd, int enable)
u8 v;
v4l_dbg(1, cx25840_debug, client, "%s video output\n",
- enable ? "enable" : "disable");
+ enable ? "enable" : "disable");
/*
* It's not clear what should be done for these devices.
@@ -1749,7 +2416,7 @@ static int cx25840_s_stream(struct v4l2_subdev *sd, int enable)
}
/* Query the current detected video format */
-static int cx25840_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
+static int cx25840_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -1775,10 +2442,11 @@ static int cx25840_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
};
u32 fmt = (cx25840_read4(client, 0x40c) >> 8) & 0xf;
- *std = stds[ fmt ];
+ *std = stds[fmt];
- v4l_dbg(1, cx25840_debug, client, "g_std fmt = %x, v4l2_std_id = 0x%x\n",
- fmt, (unsigned int)stds[ fmt ]);
+ v4l_dbg(1, cx25840_debug, client,
+ "querystd fmt = %x, v4l2_std_id = 0x%x\n",
+ fmt, (unsigned int)stds[fmt]);
return 0;
}
@@ -1787,7 +2455,8 @@ static int cx25840_g_input_status(struct v4l2_subdev *sd, u32 *status)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
- /* A limited function that checks for signal status and returns
+ /*
+ * A limited function that checks for signal status and returns
* the state.
*/
@@ -1798,6 +2467,15 @@ static int cx25840_g_input_status(struct v4l2_subdev *sd, u32 *status)
return 0;
}
+static int cx25840_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
+{
+ struct cx25840_state *state = to_state(sd);
+
+ *std = state->std;
+
+ return 0;
+}
+
static int cx25840_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
{
struct cx25840_state *state = to_state(sd);
@@ -1827,6 +2505,11 @@ static int cx25840_s_video_routing(struct v4l2_subdev *sd,
if (is_cx23888(state))
cx23888_std_setup(client);
+ if (is_cx2584x(state) && state->generic_mode && config) {
+ cx25840_vconfig_add(state, config);
+ cx25840_vconfig_apply(client);
+ }
+
return set_input(client, input, state->aud_input);
}
@@ -1841,7 +2524,8 @@ static int cx25840_s_audio_routing(struct v4l2_subdev *sd,
return set_input(client, state->vid_input, input);
}
-static int cx25840_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *freq)
+static int cx25840_s_frequency(struct v4l2_subdev *sd,
+ const struct v4l2_frequency *freq)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -1864,9 +2548,8 @@ static int cx25840_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
if (is_cx2583x(state))
return 0;
- vt->capability |=
- V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
- V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
+ vt->capability |= V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
+ V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
mode = cx25840_read(client, 0x804);
@@ -1896,54 +2579,46 @@ static int cx25840_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *vt)
return 0;
switch (vt->audmode) {
- case V4L2_TUNER_MODE_MONO:
- /* mono -> mono
- stereo -> mono
- bilingual -> lang1 */
- cx25840_and_or(client, 0x809, ~0xf, 0x00);
- break;
- case V4L2_TUNER_MODE_STEREO:
- case V4L2_TUNER_MODE_LANG1:
- /* mono -> mono
- stereo -> stereo
- bilingual -> lang1 */
- cx25840_and_or(client, 0x809, ~0xf, 0x04);
- break;
- case V4L2_TUNER_MODE_LANG1_LANG2:
- /* mono -> mono
- stereo -> stereo
- bilingual -> lang1/lang2 */
- cx25840_and_or(client, 0x809, ~0xf, 0x07);
- break;
- case V4L2_TUNER_MODE_LANG2:
- /* mono -> mono
- stereo -> stereo
- bilingual -> lang2 */
- cx25840_and_or(client, 0x809, ~0xf, 0x01);
- break;
- default:
- return -EINVAL;
+ case V4L2_TUNER_MODE_MONO:
+ /*
+ * mono -> mono
+ * stereo -> mono
+ * bilingual -> lang1
+ */
+ cx25840_and_or(client, 0x809, ~0xf, 0x00);
+ break;
+ case V4L2_TUNER_MODE_STEREO:
+ case V4L2_TUNER_MODE_LANG1:
+ /*
+ * mono -> mono
+ * stereo -> stereo
+ * bilingual -> lang1
+ */
+ cx25840_and_or(client, 0x809, ~0xf, 0x04);
+ break;
+ case V4L2_TUNER_MODE_LANG1_LANG2:
+ /*
+ * mono -> mono
+ * stereo -> stereo
+ * bilingual -> lang1/lang2
+ */
+ cx25840_and_or(client, 0x809, ~0xf, 0x07);
+ break;
+ case V4L2_TUNER_MODE_LANG2:
+ /*
+ * mono -> mono
+ * stereo -> stereo
+ * bilingual -> lang2
+ */
+ cx25840_and_or(client, 0x809, ~0xf, 0x01);
+ break;
+ default:
+ return -EINVAL;
}
state->audmode = vt->audmode;
return 0;
}
-static int cx25840_reset(struct v4l2_subdev *sd, u32 val)
-{
- struct cx25840_state *state = to_state(sd);
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- if (is_cx2583x(state))
- cx25836_initialize(client);
- else if (is_cx2388x(state))
- cx23885_initialize(client);
- else if (is_cx231xx(state))
- cx231xx_initialize(client);
- else
- cx25840_initialize(client);
- return 0;
-}
-
static int cx25840_log_status(struct v4l2_subdev *sd)
{
struct cx25840_state *state = to_state(sd);
@@ -5050,6 +5725,8 @@ static const struct v4l2_ctrl_ops cx25840_ctrl_ops = {
static const struct v4l2_subdev_core_ops cx25840_core_ops = {
.log_status = cx25840_log_status,
.reset = cx25840_reset,
+ /* calling the (optional) init op will turn on the generic mode */
+ .init = cx25840_init,
.load_fw = cx25840_load_fw,
.s_io_pin_config = common_s_io_pin_config,
#ifdef CONFIG_VIDEO_ADV_DEBUG
@@ -5073,8 +5750,9 @@ static const struct v4l2_subdev_audio_ops cx25840_audio_ops = {
};
static const struct v4l2_subdev_video_ops cx25840_video_ops = {
- .s_std = cx25840_s_std,
.g_std = cx25840_g_std,
+ .s_std = cx25840_s_std,
+ .querystd = cx25840_querystd,
.s_routing = cx25840_s_video_routing,
.s_stream = cx25840_s_stream,
.g_input_status = cx25840_g_input_status,
@@ -5110,22 +5788,28 @@ static u32 get_cx2388x_ident(struct i2c_client *client)
/* Come out of digital power down */
cx25840_write(client, 0x000, 0);
- /* Detecting whether the part is cx23885/7/8 is more
+ /*
+ * 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. */
+ * 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) */
+ /*
+ * 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 = CX23885_AV;
} else {
- /* CX23887 has a broken DIF, but the registers
- * appear valid (but unused), good enough to detect. */
+ /*
+ * CX23887 has a broken DIF, but the registers
+ * appear valid (but unused), good enough to detect.
+ */
ret = CX23887_AV;
}
} else if (cx25840_read4(client, 0x300) & 0x0fffffff) {
@@ -5157,14 +5841,18 @@ static int cx25840_probe(struct i2c_client *client,
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -EIO;
- v4l_dbg(1, cx25840_debug, client, "detecting cx25840 client on address 0x%x\n", client->addr << 1);
+ v4l_dbg(1, cx25840_debug, client,
+ "detecting cx25840 client on address 0x%x\n",
+ client->addr << 1);
device_id = cx25840_read(client, 0x101) << 8;
device_id |= cx25840_read(client, 0x100);
v4l_dbg(1, cx25840_debug, client, "device_id = 0x%04x\n", device_id);
- /* The high byte of the device ID should be
- * 0x83 for the cx2583x and 0x84 for the cx2584x */
+ /*
+ * The high byte of the device ID should be
+ * 0x83 for the cx2583x and 0x84 for the cx2584x
+ */
if ((device_id & 0xff00) == 0x8300) {
id = CX25836 + ((device_id >> 4) & 0xf) - 6;
} else if ((device_id & 0xff00) == 0x8400) {
@@ -5178,7 +5866,8 @@ static int cx25840_probe(struct i2c_client *client,
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");
+ 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");
@@ -5186,7 +5875,7 @@ static int cx25840_probe(struct i2c_client *client,
}
state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
- if (state == NULL)
+ if (!state)
return -ENOMEM;
sd = &state->sd;
@@ -5213,7 +5902,7 @@ static int cx25840_probe(struct i2c_client *client,
sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
ret = media_entity_pads_init(&sd->entity, ARRAY_SIZE(state->pads),
- state->pads);
+ state->pads);
if (ret < 0) {
v4l_info(client, "failed to initialize media entity!\n");
return ret;
@@ -5241,8 +5930,10 @@ static int cx25840_probe(struct i2c_client *client,
case CX25841:
case CX25842:
case CX25843:
- /* Note: revision '(device_id & 0x0f) == 2' was never built. The
- marking skips from 0x1 == 22 to 0x3 == 23. */
+ /*
+ * 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
@@ -5270,13 +5961,13 @@ static int cx25840_probe(struct i2c_client *client,
state->std = V4L2_STD_NTSC_M;
v4l2_ctrl_handler_init(&state->hdl, 9);
v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
- V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
- V4L2_CID_CONTRAST, 0, 127, 1, 64);
+ V4L2_CID_CONTRAST, 0, 127, 1, 64);
v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
- V4L2_CID_SATURATION, 0, 127, 1, 64);
+ V4L2_CID_SATURATION, 0, 127, 1, 64);
v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
- V4L2_CID_HUE, -128, 127, 1, 0);
+ V4L2_CID_HUE, -128, 127, 1, 0);
if (!is_cx2583x(state)) {
default_volume = cx25840_read(client, 0x8d4);
/*
@@ -5288,8 +5979,7 @@ static int cx25840_probe(struct i2c_client *client,
/* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */
default_volume = 228;
cx25840_write(client, 0x8d4, 228);
- }
- else if (default_volume < 20) {
+ } else if (default_volume < 20) {
/* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */
default_volume = 20;
cx25840_write(client, 0x8d4, 20);
@@ -5297,20 +5987,23 @@ static int cx25840_probe(struct i2c_client *client,
default_volume = (((228 - default_volume) >> 1) + 23) << 9;
state->volume = v4l2_ctrl_new_std(&state->hdl,
- &cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME,
- 0, 65535, 65535 / 100, default_volume);
+ &cx25840_audio_ctrl_ops,
+ V4L2_CID_AUDIO_VOLUME,
+ 0, 65535, 65535 / 100,
+ default_volume);
state->mute = v4l2_ctrl_new_std(&state->hdl,
- &cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE,
- 0, 1, 1, 0);
+ &cx25840_audio_ctrl_ops,
+ V4L2_CID_AUDIO_MUTE,
+ 0, 1, 1, 0);
v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops,
- V4L2_CID_AUDIO_BALANCE,
- 0, 65535, 65535 / 100, 32768);
+ V4L2_CID_AUDIO_BALANCE,
+ 0, 65535, 65535 / 100, 32768);
v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops,
- V4L2_CID_AUDIO_BASS,
- 0, 65535, 65535 / 100, 32768);
+ V4L2_CID_AUDIO_BASS,
+ 0, 65535, 65535 / 100, 32768);
v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops,
- V4L2_CID_AUDIO_TREBLE,
- 0, 65535, 65535 / 100, 32768);
+ V4L2_CID_AUDIO_TREBLE,
+ 0, 65535, 65535 / 100, 32768);
}
sd->ctrl_handler = &state->hdl;
if (state->hdl.error) {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.