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-rw-r--r--linux/drivers/media/video/Kconfig16
-rw-r--r--linux/drivers/media/video/Makefile1
-rw-r--r--linux/drivers/media/video/msp3400-driver.c3
-rw-r--r--linux/drivers/media/video/msp3400-kthreads.c24
-rw-r--r--linux/drivers/media/video/wm8739.c396
-rw-r--r--v4l/Makefile4
6 files changed, 430 insertions, 14 deletions
diff --git a/linux/drivers/media/video/Kconfig b/linux/drivers/media/video/Kconfig
index 62e71b527..ba64440c2 100644
--- a/linux/drivers/media/video/Kconfig
+++ b/linux/drivers/media/video/Kconfig
@@ -336,15 +336,25 @@ config VIDEO_CS53L32A
module will be called cs53l32a
config VIDEO_WM8775
- tristate "Wolfson Microelectronics WM8775 audio ADC"
+ tristate "Wolfson Microelectronics WM8775 audio ADC with input mixer"
depends on VIDEO_DEV && I2C && EXPERIMENTAL
---help---
- Support for the Wolfson Microelectronics WM8775
- high performance stereo A/D Converter.
+ Support for the Wolfson Microelectronics WM8775 high
+ performance stereo A/D Converter with a 4 channel input mixer.
To compile this driver as a module, choose M here: the
module will be called wm8775
+config VIDEO_WM8739
+ tristate "Wolfson Microelectronics WM8739 stereo audio ADC"
+ depends on VIDEO_DEV && I2C && EXPERIMENTAL
+ ---help---
+ Support for the Wolfson Microelectronics WM8739
+ stereo A/D Converter.
+
+ To compile this driver as a module, choose M here: the
+ module will be called wm8739
+
source "drivers/media/video/cx25840/Kconfig"
config VIDEO_SAA711X
diff --git a/linux/drivers/media/video/Makefile b/linux/drivers/media/video/Makefile
index 289ef1abf..896619c43 100644
--- a/linux/drivers/media/video/Makefile
+++ b/linux/drivers/media/video/Makefile
@@ -46,6 +46,7 @@ obj-$(CONFIG_VIDEO_PVRUSB2) += pvrusb2/
obj-$(CONFIG_VIDEO_MSP3400) += msp3400.o
obj-$(CONFIG_VIDEO_CS53L32A) += cs53l32a.o
obj-$(CONFIG_VIDEO_WM8775) += wm8775.o
+obj-$(CONFIG_VIDEO_WM8739) += wm8739.o
obj-$(CONFIG_VIDEO_OVCAMCHIP) += ovcamchip/
obj-$(CONFIG_VIDEO_CPIA2) += cpia2/
obj-$(CONFIG_VIDEO_MXB) += saa7111.o tda9840.o tea6415c.o tea6420.o mxb.o
diff --git a/linux/drivers/media/video/msp3400-driver.c b/linux/drivers/media/video/msp3400-driver.c
index 65c99edd8..b52e5bdea 100644
--- a/linux/drivers/media/video/msp3400-driver.c
+++ b/linux/drivers/media/video/msp3400-driver.c
@@ -298,7 +298,8 @@ void msp_set_scart(struct i2c_client *client, int in, int out)
msp_write_dsp(client, 0x13, state->acb);
/* Sets I2S speed 0 = 1.024 Mbps, 1 = 2.048 Mbps */
- msp_write_dem(client, 0x40, state->i2s_mode);
+ if (state->has_i2s_conf)
+ msp_write_dem(client, 0x40, state->i2s_mode);
}
void msp_set_mute(struct i2c_client *client)
diff --git a/linux/drivers/media/video/msp3400-kthreads.c b/linux/drivers/media/video/msp3400-kthreads.c
index 0a9b4a2ba..4b0d6340a 100644
--- a/linux/drivers/media/video/msp3400-kthreads.c
+++ b/linux/drivers/media/video/msp3400-kthreads.c
@@ -234,6 +234,7 @@ static void msp3400c_set_audmode(struct i2c_client *client)
char *modestr = (state->audmode >= 0 && state->audmode < 5) ?
strmode[state->audmode] : "unknown";
int src = 0; /* channel source: FM/AM, nicam or SCART */
+ int audmode = state->audmode;
if (state->opmode == OPMODE_AUTOSELECT) {
/* this method would break everything, let's make sure
@@ -245,11 +246,22 @@ static void msp3400c_set_audmode(struct i2c_client *client)
return;
}
+ /* If no second language is available, switch to the first language */
+ if ((audmode == V4L2_TUNER_MODE_LANG2 ||
+ audmode == V4L2_TUNER_MODE_LANG1_LANG2) &&
+ !(state->rxsubchans & V4L2_TUNER_SUB_LANG2))
+ audmode = V4L2_TUNER_MODE_LANG1;
+ /* switch to stereo for stereo transmission, otherwise
+ keep first language */
+ if (audmode == V4L2_TUNER_MODE_LANG1 &&
+ (state->rxsubchans & V4L2_TUNER_SUB_STEREO))
+ audmode = V4L2_TUNER_MODE_STEREO;
+
/* switch demodulator */
switch (state->mode) {
case MSP_MODE_FM_TERRA:
v4l_dbg(1, msp_debug, client, "FM set_audmode: %s\n", modestr);
- switch (state->audmode) {
+ switch (audmode) {
case V4L2_TUNER_MODE_STEREO:
msp_write_dsp(client, 0x000e, 0x3001);
break;
@@ -263,7 +275,7 @@ static void msp3400c_set_audmode(struct i2c_client *client)
break;
case MSP_MODE_FM_SAT:
v4l_dbg(1, msp_debug, client, "SAT set_audmode: %s\n", modestr);
- switch (state->audmode) {
+ switch (audmode) {
case V4L2_TUNER_MODE_MONO:
msp3400c_set_carrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5));
break;
@@ -302,7 +314,7 @@ static void msp3400c_set_audmode(struct i2c_client *client)
}
/* switch audio */
- switch (state->audmode) {
+ switch (audmode) {
case V4L2_TUNER_MODE_STEREO:
case V4L2_TUNER_MODE_LANG1_LANG2:
src |= 0x0020;
@@ -320,10 +332,6 @@ static void msp3400c_set_audmode(struct i2c_client *client)
src = 0x0030;
break;
case V4L2_TUNER_MODE_LANG1:
- /* switch to stereo for stereo transmission, otherwise
- keep first language */
- if (state->rxsubchans & V4L2_TUNER_SUB_STEREO)
- src |= 0x0020;
break;
case V4L2_TUNER_MODE_LANG2:
src |= 0x0010;
@@ -625,9 +633,9 @@ int msp3400c_thread(void *data)
if (msp_sleep(state, 1000))
goto restart;
while (state->watch_stereo) {
+ watch_stereo(client);
if (msp_sleep(state, 5000))
goto restart;
- watch_stereo(client);
}
}
v4l_dbg(1, msp_debug, client, "thread: exit\n");
diff --git a/linux/drivers/media/video/wm8739.c b/linux/drivers/media/video/wm8739.c
new file mode 100644
index 000000000..79394f205
--- /dev/null
+++ b/linux/drivers/media/video/wm8739.c
@@ -0,0 +1,396 @@
+/*
+ * wm8739
+ *
+ * Copyright (C) 2005 T. Adachi <tadachi@tadachi-net.com>
+ *
+ * Copyright (C) 2005 Hans Verkuil <hverkuil@xs4all.nl>
+ * - Cleanup
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "compat.h"
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/ioctl.h>
+#include <asm/uaccess.h>
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
+#include <linux/videodev.h>
+#include <media/v4l2-common.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#include "i2c-compat.h"
+#include <linux/slab.h>
+#endif
+
+MODULE_DESCRIPTION("wm8739 driver");
+MODULE_AUTHOR("T. Adachi, Hans Verkuil");
+MODULE_LICENSE("GPL");
+
+static int debug = 0;
+static unsigned short normal_i2c[] = { 0x34 >> 1, 0x36 >> 1, I2C_CLIENT_END };
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0)
+module_param(debug, int, 0644);
+#else
+MODULE_PARM(debug, "i");
+#endif
+
+MODULE_PARM_DESC(debug, "Debug level (0-1)");
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)
+static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
+#endif
+
+I2C_CLIENT_INSMOD;
+
+/* ------------------------------------------------------------------------ */
+
+enum {
+ R0 = 0, R1,
+ R5 = 5, R6, R7, R8, R9, R15 = 15,
+ TOT_REGS
+};
+
+struct wm8739_state {
+ u32 clock_freq;
+ u8 muted;
+ u16 volume;
+ u16 balance;
+ u8 vol_l; /* +12dB to -34.5dB 1.5dB step (5bit) def:0dB */
+ u8 vol_r; /* +12dB to -34.5dB 1.5dB step (5bit) def:0dB */
+};
+
+/* ------------------------------------------------------------------------ */
+
+static int wm8739_write(struct i2c_client *client, int reg, u16 val)
+{
+ int i;
+
+ if (reg < 0 || reg >= TOT_REGS) {
+ v4l_err(client, "Invalid register R%d\n", reg);
+ return -1;
+ }
+
+ v4l_dbg(1, debug, client, "write: %02x %02x\n", reg, val);
+
+ for (i = 0; i < 3; i++) {
+ if (i2c_smbus_write_byte_data(client, (reg << 1) |
+ (val >> 8), val & 0xff) == 0) {
+ return 0;
+ }
+ }
+ v4l_err(client, "I2C: cannot write %03x to register R%d\n", val, reg);
+ return -1;
+}
+
+/* write regs to set audio volume etc */
+static void wm8739_set_audio(struct i2c_client *client)
+{
+ struct wm8739_state *state = i2c_get_clientdata(client);
+ u16 mute = state->muted ? 0x80 : 0;
+
+ /* Volume setting: bits 0-4, 0x1f = 12 dB, 0x00 = -34.5 dB
+ * Default setting: 0x17 = 0 dB
+ */
+ wm8739_write(client, R0, (state->vol_l & 0x1f) | mute);
+ wm8739_write(client, R1, (state->vol_r & 0x1f) | mute);
+}
+
+static int wm8739_get_ctrl(struct i2c_client *client, struct v4l2_control *ctrl)
+{
+ struct wm8739_state *state = i2c_get_clientdata(client);
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ ctrl->value = state->muted;
+ break;
+
+ case V4L2_CID_AUDIO_VOLUME:
+ ctrl->value = state->volume;
+ break;
+
+ case V4L2_CID_AUDIO_BALANCE:
+ ctrl->value = state->balance;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int wm8739_set_ctrl(struct i2c_client *client, struct v4l2_control *ctrl)
+{
+ struct wm8739_state *state = i2c_get_clientdata(client);
+ unsigned int work_l, work_r;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUDIO_MUTE:
+ state->muted = ctrl->value;
+ break;
+
+ case V4L2_CID_AUDIO_VOLUME:
+ state->volume = ctrl->value;
+ break;
+
+ case V4L2_CID_AUDIO_BALANCE:
+ state->balance = ctrl->value;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ /* normalize ( 65535 to 0 -> 31 to 0 (12dB to -34.5dB) ) */
+ work_l = (min(65536 - state->balance, 32768) * state->volume) / 32768;
+ work_r = (min(state->balance, (u16)32768) * state->volume) / 32768;
+
+ state->vol_l = (long)work_l * 31 / 65535;
+ state->vol_r = (long)work_r * 31 / 65535;
+
+ /* set audio volume etc. */
+ wm8739_set_audio(client);
+ return 0;
+}
+
+/* ------------------------------------------------------------------------ */
+
+static struct v4l2_queryctrl wm8739_qctrl[] = {
+ {
+ .id = V4L2_CID_AUDIO_VOLUME,
+ .name = "Volume",
+ .minimum = 0,
+ .maximum = 65535,
+ .step = 65535/100,
+ .default_value = 58880,
+ .flags = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ },{
+ .id = V4L2_CID_AUDIO_MUTE,
+ .name = "Mute",
+ .minimum = 0,
+ .maximum = 1,
+ .step = 1,
+ .default_value = 1,
+ .flags = 0,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ },{
+ .id = V4L2_CID_AUDIO_BALANCE,
+ .name = "Balance",
+ .minimum = 0,
+ .maximum = 65535,
+ .step = 65535/100,
+ .default_value = 32768,
+ .flags = 0,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ }
+};
+
+/* ------------------------------------------------------------------------ */
+
+static int wm8739_command(struct i2c_client *client, unsigned int cmd, void *arg)
+{
+ struct wm8739_state *state = i2c_get_clientdata(client);
+
+ switch (cmd) {
+ case VIDIOC_INT_AUDIO_CLOCK_FREQ:
+ {
+ u32 audiofreq = *(u32 *)arg;
+
+ state->clock_freq = audiofreq;
+ wm8739_write(client, R9, 0x000); /* de-activate */
+ switch (audiofreq) {
+ case 44100:
+ wm8739_write(client, R8, 0x020); /* 256fps, fs=44.1k */
+ break;
+ case 48000:
+ wm8739_write(client, R8, 0x000); /* 256fps, fs=48k */
+ break;
+ case 32000:
+ wm8739_write(client, R8, 0x018); /* 256fps, fs=32k */
+ break;
+ default:
+ break;
+ }
+ wm8739_write(client, R9, 0x001); /* activate */
+ break;
+ }
+
+ case VIDIOC_G_CTRL:
+ return wm8739_get_ctrl(client, arg);
+
+ case VIDIOC_S_CTRL:
+ return wm8739_set_ctrl(client, arg);
+
+ case VIDIOC_QUERYCTRL:
+ {
+ struct v4l2_queryctrl *qc = arg;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(wm8739_qctrl); i++)
+ if (qc->id && qc->id == wm8739_qctrl[i].id) {
+ memcpy(qc, &wm8739_qctrl[i], sizeof(*qc));
+ return 0;
+ }
+ return -EINVAL;
+ }
+
+ case VIDIOC_LOG_STATUS:
+ v4l_info(client, "Frequency: %u Hz\n", state->clock_freq);
+ v4l_info(client, "Volume L: %02x%s\n", state->vol_l & 0x1f,
+ state->muted ? " (muted)" : "");
+ v4l_info(client, "Volume R: %02x%s\n", state->vol_r & 0x1f,
+ state->muted ? " (muted)" : "");
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------ */
+
+/* i2c implementation */
+
+static struct i2c_driver i2c_driver;
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+static int wm8739_attach(struct i2c_adapter *adapter, int address, int kind)
+#else
+static int wm8739_attach(struct i2c_adapter *adapter, int address,
+ unsigned short flags, int kind)
+#endif
+{
+ struct i2c_client *client;
+ struct wm8739_state *state;
+
+ /* Check if the adapter supports the needed features */
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return 0;
+
+ client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ if (client == NULL)
+ return -ENOMEM;
+
+ client->addr = address;
+ client->adapter = adapter;
+ client->driver = &i2c_driver;
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)
+ client->flags = I2C_CLIENT_ALLOW_USE;
+#endif
+ snprintf(client->name, sizeof(client->name) - 1, "wm8739");
+
+ v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name);
+
+ state = kmalloc(sizeof(struct wm8739_state), GFP_KERNEL);
+ if (state == NULL) {
+ kfree(client);
+ return -ENOMEM;
+ }
+ state->vol_l = 0x17; /* 0dB */
+ state->vol_r = 0x17; /* 0dB */
+ state->muted = 0;
+ state->balance = 32768;
+ /* normalize (12dB(31) to -34.5dB(0) [0dB(23)] -> 65535 to 0) */
+ state->volume = ((long)state->vol_l + 1) * 65535 / 31;
+ state->clock_freq = 48000;
+ i2c_set_clientdata(client, state);
+
+ /* initialize wm8739 */
+ wm8739_write(client, R15, 0x00); /* reset */
+ wm8739_write(client, R5, 0x000); /* filter setting, high path, offet clear */
+ wm8739_write(client, R6, 0x000); /* ADC, OSC, Power Off mode Disable */
+ wm8739_write(client, R7, 0x049); /* Digital Audio interface format */
+ /* Enable Master mode */
+ /* 24 bit, MSB first/left justified */
+ wm8739_write(client, R8, 0x000); /* sampling control */
+ /* normal, 256fs, 48KHz sampling rate */
+ wm8739_write(client, R9, 0x001); /* activate */
+ wm8739_set_audio(client); /* set volume/mute */
+
+ i2c_attach_client(client);
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+ MOD_INC_USE_COUNT;
+#endif
+ return 0;
+}
+
+static int wm8739_probe(struct i2c_adapter *adapter)
+{
+#ifdef I2C_CLASS_TV_ANALOG
+ if (adapter->class & I2C_CLASS_TV_ANALOG)
+#else
+ if (adapter->id == I2C_HW_B_CX2341X)
+#endif
+ return i2c_probe(adapter, &addr_data, wm8739_attach);
+ return 0;
+}
+
+static int wm8739_detach(struct i2c_client *client)
+{
+ int err;
+
+ err = i2c_detach_client(client);
+ if (err)
+ return err;
+
+ kfree(client);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+ MOD_DEC_USE_COUNT;
+#endif
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+/* i2c implementation */
+static struct i2c_driver i2c_driver = {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) && LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)
+ .owner = THIS_MODULE,
+#endif
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)
+ .name = "wm8739",
+ .flags = I2C_DF_NOTIFY,
+#else
+ .driver = {
+ .name = "wm8739",
+ },
+#endif
+ .id = I2C_DRIVERID_WM8739,
+ .attach_adapter = wm8739_probe,
+ .detach_client = wm8739_detach,
+ .command = wm8739_command,
+};
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+EXPORT_NO_SYMBOLS;
+#endif
+
+static int __init wm8739_init_module(void)
+{
+ return i2c_add_driver(&i2c_driver);
+}
+
+static void __exit wm8739_cleanup_module(void)
+{
+ i2c_del_driver(&i2c_driver);
+}
+
+module_init(wm8739_init_module);
+module_exit(wm8739_cleanup_module);
diff --git a/v4l/Makefile b/v4l/Makefile
index 772cac951..a9c0d1fa5 100644
--- a/v4l/Makefile
+++ b/v4l/Makefile
@@ -115,7 +115,7 @@ obj-$(CONFIG_VIDEO_SAA7134) += saa7134-oss.o
obj-$(CONFIG_VIDEO_IR) += ir-common.o
obj-$(CONFIG_VIDEO_TUNER) += tuner.o tda9887.o saa6588.o
obj-$(CONFIG_VIDEO_TVAUDIO) += msp3400.o tvaudio.o tvmixer.o wm8775.o \
- cs53l32a.o tda7432.o tda9875.o
+ wm8739.o cs53l32a.o tda7432.o tda9875.o
obj-$(CONFIG_VIDEO_CPIA2) += cpia2.o
obj-$(CONFIG_VIDEO_CX88_DVB) += video-buf-dvb.o cx88-dvb.o cx88-vp3054-i2c.o
@@ -309,7 +309,7 @@ endif
inst_common := ir-common.ko
inst_video := btcx-risc.ko bttv.ko tda9887.ko tuner.ko tvaudio.ko tveeprom.ko saa6588.ko
#inst_video += bt87x.ko
-inst_video += tvmixer.ko v4l1-compat.ko v4l2-common.ko wm8775.ko cs53l32a.ko
+inst_video += tvmixer.ko v4l1-compat.ko v4l2-common.ko wm8775.ko wm8739.ko cs53l32a.ko
inst_video += video-buf.ko video-buf-dvb.ko
inst_video += videodev.ko
inst_video += ir-kbd-i2c.ko msp3400.ko
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-06 13:03:57 +0000