| /* |
| * Programming the mspx4xx sound processor family |
| * |
| * (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org> |
| * |
| * what works and what doesn't: |
| * |
| * AM-Mono |
| * Support for Hauppauge cards added (decoding handled by tuner) added by |
| * Frederic Crozat <fcrozat@mail.dotcom.fr> |
| * |
| * FM-Mono |
| * should work. The stereo modes are backward compatible to FM-mono, |
| * therefore FM-Mono should be allways available. |
| * |
| * FM-Stereo (B/G, used in germany) |
| * should work, with autodetect |
| * |
| * FM-Stereo (satellite) |
| * should work, no autodetect (i.e. default is mono, but you can |
| * switch to stereo -- untested) |
| * |
| * NICAM (B/G, L , used in UK, Scandinavia, Spain and France) |
| * should work, with autodetect. Support for NICAM was added by |
| * Pekka Pietikainen <pp@netppl.fi> |
| * |
| * TODO: |
| * - better SAT support |
| * |
| * 980623 Thomas Sailer (sailer@ife.ee.ethz.ch) |
| * using soundcore instead of OSS |
| * |
| * 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., 51 Franklin Street, Fifth Floor, Boston, MA |
| * 02110-1301, USA. |
| */ |
| |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/slab.h> |
| #include <linux/i2c.h> |
| #include <linux/videodev.h> |
| #include <linux/videodev2.h> |
| #include <media/v4l2-common.h> |
| #include <media/v4l2-i2c-drv-legacy.h> |
| #include <media/tvaudio.h> |
| #include <media/msp3400.h> |
| #include <linux/kthread.h> |
| #include <linux/freezer.h> |
| #include "msp3400-driver.h" |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| MODULE_DESCRIPTION("device driver for msp34xx TV sound processor"); |
| MODULE_AUTHOR("Gerd Knorr"); |
| MODULE_LICENSE("GPL"); |
| |
| /* module parameters */ |
| static int opmode = OPMODE_AUTO; |
| int msp_debug; /* msp_debug output */ |
| int msp_once; /* no continous stereo monitoring */ |
| int msp_amsound; /* hard-wire AM sound at 6.5 Hz (france), |
| the autoscan seems work well only with FM... */ |
| int msp_standard = 1; /* Override auto detect of audio msp_standard, |
| if needed. */ |
| int msp_dolby; |
| |
| int msp_stereo_thresh = 0x190; /* a2 threshold for stereo/bilingual |
| (msp34xxg only) 0x00a0-0x03c0 */ |
| |
| /* read-only */ |
| module_param(opmode, int, 0444); |
| |
| /* read-write */ |
| module_param_named(once, msp_once, bool, 0644); |
| module_param_named(debug, msp_debug, int, 0644); |
| module_param_named(stereo_threshold, msp_stereo_thresh, int, 0644); |
| module_param_named(standard, msp_standard, int, 0644); |
| module_param_named(amsound, msp_amsound, bool, 0644); |
| module_param_named(dolby, msp_dolby, bool, 0644); |
| |
| MODULE_PARM_DESC(opmode, "Forces a MSP3400 opmode. 0=Manual, 1=Autodetect, 2=Autodetect and autoselect"); |
| MODULE_PARM_DESC(once, "No continuous stereo monitoring"); |
| MODULE_PARM_DESC(debug, "Enable debug messages [0-3]"); |
| MODULE_PARM_DESC(stereo_threshold, "Sets signal threshold to activate stereo"); |
| MODULE_PARM_DESC(standard, "Specify audio standard: 32 = NTSC, 64 = radio, Default: Autodetect"); |
| MODULE_PARM_DESC(amsound, "Hardwire AM sound at 6.5Hz (France), FM can autoscan"); |
| MODULE_PARM_DESC(dolby, "Activates Dolby processsing"); |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| /* control subaddress */ |
| #define I2C_MSP_CONTROL 0x00 |
| /* demodulator unit subaddress */ |
| #define I2C_MSP_DEM 0x10 |
| /* DSP unit subaddress */ |
| #define I2C_MSP_DSP 0x12 |
| |
| /* Addresses to scan */ |
| static unsigned short normal_i2c[] = { 0x80 >> 1, 0x88 >> 1, I2C_CLIENT_END }; |
| I2C_CLIENT_INSMOD; |
| |
| /* ----------------------------------------------------------------------- */ |
| /* functions for talking to the MSP3400C Sound processor */ |
| |
| int msp_reset(struct i2c_client *client) |
| { |
| /* reset and read revision code */ |
| static u8 reset_off[3] = { I2C_MSP_CONTROL, 0x80, 0x00 }; |
| static u8 reset_on[3] = { I2C_MSP_CONTROL, 0x00, 0x00 }; |
| static u8 write[3] = { I2C_MSP_DSP + 1, 0x00, 0x1e }; |
| u8 read[2]; |
| struct i2c_msg reset[2] = { |
| { client->addr, I2C_M_IGNORE_NAK, 3, reset_off }, |
| { client->addr, I2C_M_IGNORE_NAK, 3, reset_on }, |
| }; |
| struct i2c_msg test[2] = { |
| { client->addr, 0, 3, write }, |
| { client->addr, I2C_M_RD, 2, read }, |
| }; |
| |
| v4l_dbg(3, msp_debug, client, "msp_reset\n"); |
| if (i2c_transfer(client->adapter, &reset[0], 1) != 1 || |
| i2c_transfer(client->adapter, &reset[1], 1) != 1 || |
| i2c_transfer(client->adapter, test, 2) != 2) { |
| v4l_err(client, "chip reset failed\n"); |
| return -1; |
| } |
| return 0; |
| } |
| |
| static int msp_read(struct i2c_client *client, int dev, int addr) |
| { |
| int err, retval; |
| u8 write[3]; |
| u8 read[2]; |
| struct i2c_msg msgs[2] = { |
| { client->addr, 0, 3, write }, |
| { client->addr, I2C_M_RD, 2, read } |
| }; |
| |
| write[0] = dev + 1; |
| write[1] = addr >> 8; |
| write[2] = addr & 0xff; |
| |
| for (err = 0; err < 3; err++) { |
| if (i2c_transfer(client->adapter, msgs, 2) == 2) |
| break; |
| v4l_warn(client, "I/O error #%d (read 0x%02x/0x%02x)\n", err, |
| dev, addr); |
| schedule_timeout_interruptible(msecs_to_jiffies(10)); |
| } |
| if (err == 3) { |
| v4l_warn(client, "resetting chip, sound will go off.\n"); |
| msp_reset(client); |
| return -1; |
| } |
| retval = read[0] << 8 | read[1]; |
| v4l_dbg(3, msp_debug, client, "msp_read(0x%x, 0x%x): 0x%x\n", |
| dev, addr, retval); |
| return retval; |
| } |
| |
| int msp_read_dem(struct i2c_client *client, int addr) |
| { |
| return msp_read(client, I2C_MSP_DEM, addr); |
| } |
| |
| int msp_read_dsp(struct i2c_client *client, int addr) |
| { |
| return msp_read(client, I2C_MSP_DSP, addr); |
| } |
| |
| static int msp_write(struct i2c_client *client, int dev, int addr, int val) |
| { |
| int err; |
| u8 buffer[5]; |
| |
| buffer[0] = dev; |
| buffer[1] = addr >> 8; |
| buffer[2] = addr & 0xff; |
| buffer[3] = val >> 8; |
| buffer[4] = val & 0xff; |
| |
| v4l_dbg(3, msp_debug, client, "msp_write(0x%x, 0x%x, 0x%x)\n", |
| dev, addr, val); |
| for (err = 0; err < 3; err++) { |
| if (i2c_master_send(client, buffer, 5) == 5) |
| break; |
| v4l_warn(client, "I/O error #%d (write 0x%02x/0x%02x)\n", err, |
| dev, addr); |
| schedule_timeout_interruptible(msecs_to_jiffies(10)); |
| } |
| if (err == 3) { |
| v4l_warn(client, "resetting chip, sound will go off.\n"); |
| msp_reset(client); |
| return -1; |
| } |
| return 0; |
| } |
| |
| int msp_write_dem(struct i2c_client *client, int addr, int val) |
| { |
| return msp_write(client, I2C_MSP_DEM, addr, val); |
| } |
| |
| int msp_write_dsp(struct i2c_client *client, int addr, int val) |
| { |
| return msp_write(client, I2C_MSP_DSP, addr, val); |
| } |
| |
| /* ----------------------------------------------------------------------- * |
| * bits 9 8 5 - SCART DSP input Select: |
| * 0 0 0 - SCART 1 to DSP input (reset position) |
| * 0 1 0 - MONO to DSP input |
| * 1 0 0 - SCART 2 to DSP input |
| * 1 1 1 - Mute DSP input |
| * |
| * bits 11 10 6 - SCART 1 Output Select: |
| * 0 0 0 - undefined (reset position) |
| * 0 1 0 - SCART 2 Input to SCART 1 Output (for devices with 2 SCARTS) |
| * 1 0 0 - MONO input to SCART 1 Output |
| * 1 1 0 - SCART 1 DA to SCART 1 Output |
| * 0 0 1 - SCART 2 DA to SCART 1 Output |
| * 0 1 1 - SCART 1 Input to SCART 1 Output |
| * 1 1 1 - Mute SCART 1 Output |
| * |
| * bits 13 12 7 - SCART 2 Output Select (for devices with 2 Output SCART): |
| * 0 0 0 - SCART 1 DA to SCART 2 Output (reset position) |
| * 0 1 0 - SCART 1 Input to SCART 2 Output |
| * 1 0 0 - MONO input to SCART 2 Output |
| * 0 0 1 - SCART 2 DA to SCART 2 Output |
| * 0 1 1 - SCART 2 Input to SCART 2 Output |
| * 1 1 0 - Mute SCART 2 Output |
| * |
| * Bits 4 to 0 should be zero. |
| * ----------------------------------------------------------------------- */ |
| |
| static int scarts[3][9] = { |
| /* MASK IN1 IN2 IN3 IN4 IN1_DA IN2_DA MONO MUTE */ |
| /* SCART DSP Input select */ |
| { 0x0320, 0x0000, 0x0200, 0x0300, 0x0020, -1, -1, 0x0100, 0x0320 }, |
| /* SCART1 Output select */ |
| { 0x0c40, 0x0440, 0x0400, 0x0000, 0x0840, 0x0c00, 0x0040, 0x0800, 0x0c40 }, |
| /* SCART2 Output select */ |
| { 0x3080, 0x1000, 0x1080, 0x2080, 0x3080, 0x0000, 0x0080, 0x2000, 0x3000 }, |
| }; |
| |
| static char *scart_names[] = { |
| "in1", "in2", "in3", "in4", "in1 da", "in2 da", "mono", "mute" |
| }; |
| |
| void msp_set_scart(struct i2c_client *client, int in, int out) |
| { |
| struct msp_state *state = i2c_get_clientdata(client); |
| |
| state->in_scart = in; |
| |
| if (in >= 0 && in <= 7 && out >= 0 && out <= 2) { |
| if (-1 == scarts[out][in + 1]) |
| return; |
| |
| state->acb &= ~scarts[out][0]; |
| state->acb |= scarts[out][in + 1]; |
| } else |
| state->acb = 0xf60; /* Mute Input and SCART 1 Output */ |
| |
| v4l_dbg(1, msp_debug, client, "scart switch: %s => %d (ACB=0x%04x)\n", |
| scart_names[in], out, state->acb); |
| msp_write_dsp(client, 0x13, state->acb); |
| |
| /* Sets I2S speed 0 = 1.024 Mbps, 1 = 2.048 Mbps */ |
| if (state->has_i2s_conf) |
| msp_write_dem(client, 0x40, state->i2s_mode); |
| } |
| |
| void msp_set_audio(struct i2c_client *client) |
| { |
| struct msp_state *state = i2c_get_clientdata(client); |
| int bal = 0, bass, treble, loudness; |
| int val = 0; |
| int reallymuted = state->muted | state->scan_in_progress; |
| |
| if (!reallymuted) |
| val = (state->volume * 0x7f / 65535) << 8; |
| |
| v4l_dbg(1, msp_debug, client, "mute=%s scanning=%s volume=%d\n", |
| state->muted ? "on" : "off", |
| state->scan_in_progress ? "yes" : "no", |
| state->volume); |
| |
| msp_write_dsp(client, 0x0000, val); |
| msp_write_dsp(client, 0x0007, reallymuted ? 0x1 : (val | 0x1)); |
| if (state->has_scart2_out_volume) |
| msp_write_dsp(client, 0x0040, reallymuted ? 0x1 : (val | 0x1)); |
| if (state->has_headphones) |
| msp_write_dsp(client, 0x0006, val); |
| if (!state->has_sound_processing) |
| return; |
| |
| if (val) |
| bal = (u8)((state->balance / 256) - 128); |
| bass = ((state->bass - 32768) * 0x60 / 65535) << 8; |
| treble = ((state->treble - 32768) * 0x60 / 65535) << 8; |
| loudness = state->loudness ? ((5 * 4) << 8) : 0; |
| |
| v4l_dbg(1, msp_debug, client, "balance=%d bass=%d treble=%d loudness=%d\n", |
| state->balance, state->bass, state->treble, state->loudness); |
| |
| msp_write_dsp(client, 0x0001, bal << 8); |
| msp_write_dsp(client, 0x0002, bass); |
| msp_write_dsp(client, 0x0003, treble); |
| msp_write_dsp(client, 0x0004, loudness); |
| if (!state->has_headphones) |
| return; |
| msp_write_dsp(client, 0x0030, bal << 8); |
| msp_write_dsp(client, 0x0031, bass); |
| msp_write_dsp(client, 0x0032, treble); |
| msp_write_dsp(client, 0x0033, loudness); |
| } |
| |
| /* ------------------------------------------------------------------------ */ |
| |
| |
| static void msp_wake_thread(struct i2c_client *client) |
| { |
| struct msp_state *state = i2c_get_clientdata(client); |
| |
| if (NULL == state->kthread) |
| return; |
| state->watch_stereo = 0; |
| state->restart = 1; |
| wake_up_interruptible(&state->wq); |
| } |
| |
| int msp_sleep(struct msp_state *state, int timeout) |
| { |
| DECLARE_WAITQUEUE(wait, current); |
| |
| add_wait_queue(&state->wq, &wait); |
| if (!kthread_should_stop()) { |
| if (timeout < 0) { |
| set_current_state(TASK_INTERRUPTIBLE); |
| schedule(); |
| } else { |
| schedule_timeout_interruptible |
| (msecs_to_jiffies(timeout)); |
| } |
| } |
| |
| remove_wait_queue(&state->wq, &wait); |
| try_to_freeze(); |
| return state->restart; |
| } |
| |
| /* ------------------------------------------------------------------------ */ |
| #ifdef CONFIG_VIDEO_ALLOW_V4L1 |
| static int msp_mode_v4l2_to_v4l1(int rxsubchans, int audmode) |
| { |
| if (rxsubchans == V4L2_TUNER_SUB_MONO) |
| return VIDEO_SOUND_MONO; |
| if (rxsubchans == V4L2_TUNER_SUB_STEREO) |
| return VIDEO_SOUND_STEREO; |
| if (audmode == V4L2_TUNER_MODE_LANG2) |
| return VIDEO_SOUND_LANG2; |
| return VIDEO_SOUND_LANG1; |
| } |
| |
| static int msp_mode_v4l1_to_v4l2(int mode) |
| { |
| if (mode & VIDEO_SOUND_STEREO) |
| return V4L2_TUNER_MODE_STEREO; |
| if (mode & VIDEO_SOUND_LANG2) |
| return V4L2_TUNER_MODE_LANG2; |
| if (mode & VIDEO_SOUND_LANG1) |
| return V4L2_TUNER_MODE_LANG1; |
| return V4L2_TUNER_MODE_MONO; |
| } |
| #endif |
| |
| static int msp_get_ctrl(struct i2c_client *client, struct v4l2_control *ctrl) |
| { |
| struct msp_state *state = i2c_get_clientdata(client); |
| |
| switch (ctrl->id) { |
| case V4L2_CID_AUDIO_VOLUME: |
| ctrl->value = state->volume; |
| break; |
| |
| case V4L2_CID_AUDIO_MUTE: |
| ctrl->value = state->muted; |
| break; |
| |
| case V4L2_CID_AUDIO_BALANCE: |
| if (!state->has_sound_processing) |
| return -EINVAL; |
| ctrl->value = state->balance; |
| break; |
| |
| case V4L2_CID_AUDIO_BASS: |
| if (!state->has_sound_processing) |
| return -EINVAL; |
| ctrl->value = state->bass; |
| break; |
| |
| case V4L2_CID_AUDIO_TREBLE: |
| if (!state->has_sound_processing) |
| return -EINVAL; |
| ctrl->value = state->treble; |
| break; |
| |
| case V4L2_CID_AUDIO_LOUDNESS: |
| if (!state->has_sound_processing) |
| return -EINVAL; |
| ctrl->value = state->loudness; |
| break; |
| |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int msp_set_ctrl(struct i2c_client *client, struct v4l2_control *ctrl) |
| { |
| struct msp_state *state = i2c_get_clientdata(client); |
| |
| switch (ctrl->id) { |
| case V4L2_CID_AUDIO_VOLUME: |
| state->volume = ctrl->value; |
| if (state->volume == 0) |
| state->balance = 32768; |
| break; |
| |
| case V4L2_CID_AUDIO_MUTE: |
| if (ctrl->value < 0 || ctrl->value >= 2) |
| return -ERANGE; |
| state->muted = ctrl->value; |
| break; |
| |
| case V4L2_CID_AUDIO_BASS: |
| if (!state->has_sound_processing) |
| return -EINVAL; |
| state->bass = ctrl->value; |
| break; |
| |
| case V4L2_CID_AUDIO_TREBLE: |
| if (!state->has_sound_processing) |
| return -EINVAL; |
| state->treble = ctrl->value; |
| break; |
| |
| case V4L2_CID_AUDIO_LOUDNESS: |
| if (!state->has_sound_processing) |
| return -EINVAL; |
| state->loudness = ctrl->value; |
| break; |
| |
| case V4L2_CID_AUDIO_BALANCE: |
| if (!state->has_sound_processing) |
| return -EINVAL; |
| state->balance = ctrl->value; |
| break; |
| |
| default: |
| return -EINVAL; |
| } |
| msp_set_audio(client); |
| return 0; |
| } |
| |
| static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg) |
| { |
| struct msp_state *state = i2c_get_clientdata(client); |
| |
| if (msp_debug >= 2) |
| v4l_i2c_print_ioctl(client, cmd); |
| |
| switch (cmd) { |
| case AUDC_SET_RADIO: |
| if (state->radio) |
| return 0; |
| state->radio = 1; |
| v4l_dbg(1, msp_debug, client, "switching to radio mode\n"); |
| state->watch_stereo = 0; |
| switch (state->opmode) { |
| case OPMODE_MANUAL: |
| /* set msp3400 to FM radio mode */ |
| msp3400c_set_mode(client, MSP_MODE_FM_RADIO); |
| msp3400c_set_carrier(client, MSP_CARRIER(10.7), |
| MSP_CARRIER(10.7)); |
| msp_set_audio(client); |
| break; |
| case OPMODE_AUTODETECT: |
| case OPMODE_AUTOSELECT: |
| /* the thread will do for us */ |
| msp_wake_thread(client); |
| break; |
| } |
| break; |
| |
| /* --- v4l ioctls --- */ |
| /* take care: bttv does userspace copying, we'll get a |
| kernel pointer here... */ |
| #ifdef CONFIG_VIDEO_ALLOW_V4L1 |
| case VIDIOCGAUDIO: |
| { |
| struct video_audio *va = arg; |
| |
| va->flags |= VIDEO_AUDIO_VOLUME | VIDEO_AUDIO_MUTABLE; |
| if (state->has_sound_processing) |
| va->flags |= VIDEO_AUDIO_BALANCE | |
| VIDEO_AUDIO_BASS | |
| VIDEO_AUDIO_TREBLE; |
| if (state->muted) |
| va->flags |= VIDEO_AUDIO_MUTE; |
| va->volume = state->volume; |
| va->balance = state->volume ? state->balance : 32768; |
| va->bass = state->bass; |
| va->treble = state->treble; |
| |
| if (state->radio) |
| break; |
| if (state->opmode == OPMODE_AUTOSELECT) |
| msp_detect_stereo(client); |
| va->mode = msp_mode_v4l2_to_v4l1(state->rxsubchans, state->audmode); |
| break; |
| } |
| |
| case VIDIOCSAUDIO: |
| { |
| struct video_audio *va = arg; |
| |
| state->muted = (va->flags & VIDEO_AUDIO_MUTE); |
| state->volume = va->volume; |
| state->balance = va->balance; |
| state->bass = va->bass; |
| state->treble = va->treble; |
| msp_set_audio(client); |
| |
| if (va->mode != 0 && state->radio == 0 && |
| state->audmode != msp_mode_v4l1_to_v4l2(va->mode)) { |
| state->audmode = msp_mode_v4l1_to_v4l2(va->mode); |
| msp_set_audmode(client); |
| } |
| break; |
| } |
| |
| case VIDIOCSCHAN: |
| { |
| struct video_channel *vc = arg; |
| int update = 0; |
| v4l2_std_id std; |
| |
| if (state->radio) |
| update = 1; |
| state->radio = 0; |
| if (vc->norm == VIDEO_MODE_PAL) |
| std = V4L2_STD_PAL; |
| else if (vc->norm == VIDEO_MODE_SECAM) |
| std = V4L2_STD_SECAM; |
| else |
| std = V4L2_STD_NTSC; |
| if (std != state->v4l2_std) { |
| state->v4l2_std = std; |
| update = 1; |
| } |
| if (update) |
| msp_wake_thread(client); |
| break; |
| } |
| |
| case VIDIOCSFREQ: |
| { |
| /* new channel -- kick audio carrier scan */ |
| msp_wake_thread(client); |
| break; |
| } |
| #endif |
| case VIDIOC_S_FREQUENCY: |
| { |
| /* new channel -- kick audio carrier scan */ |
| msp_wake_thread(client); |
| break; |
| } |
| |
| /* --- v4l2 ioctls --- */ |
| case VIDIOC_S_STD: |
| { |
| v4l2_std_id *id = arg; |
| int update = state->radio || state->v4l2_std != *id; |
| |
| state->v4l2_std = *id; |
| state->radio = 0; |
| if (update) |
| msp_wake_thread(client); |
| return 0; |
| } |
| |
| case VIDIOC_INT_G_AUDIO_ROUTING: |
| { |
| struct v4l2_routing *rt = arg; |
| |
| *rt = state->routing; |
| break; |
| } |
| |
| case VIDIOC_INT_S_AUDIO_ROUTING: |
| { |
| struct v4l2_routing *rt = arg; |
| int tuner = (rt->input >> 3) & 1; |
| int sc_in = rt->input & 0x7; |
| int sc1_out = rt->output & 0xf; |
| int sc2_out = (rt->output >> 4) & 0xf; |
| u16 val, reg; |
| int i; |
| int extern_input = 1; |
| |
| if (state->routing.input == rt->input && |
| state->routing.output == rt->output) |
| break; |
| state->routing = *rt; |
| /* check if the tuner input is used */ |
| for (i = 0; i < 5; i++) { |
| if (((rt->input >> (4 + i * 4)) & 0xf) == 0) |
| extern_input = 0; |
| } |
| state->mode = extern_input ? MSP_MODE_EXTERN : MSP_MODE_AM_DETECT; |
| state->rxsubchans = V4L2_TUNER_SUB_STEREO; |
| msp_set_scart(client, sc_in, 0); |
| msp_set_scart(client, sc1_out, 1); |
| msp_set_scart(client, sc2_out, 2); |
| msp_set_audmode(client); |
| reg = (state->opmode == OPMODE_AUTOSELECT) ? 0x30 : 0xbb; |
| val = msp_read_dem(client, reg); |
| msp_write_dem(client, reg, (val & ~0x100) | (tuner << 8)); |
| /* wake thread when a new input is chosen */ |
| msp_wake_thread(client); |
| break; |
| } |
| |
| case VIDIOC_G_TUNER: |
| { |
| struct v4l2_tuner *vt = arg; |
| |
| if (state->radio) |
| break; |
| if (state->opmode == OPMODE_AUTOSELECT) |
| msp_detect_stereo(client); |
| vt->audmode = state->audmode; |
| vt->rxsubchans = state->rxsubchans; |
| vt->capability |= V4L2_TUNER_CAP_STEREO | |
| V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; |
| break; |
| } |
| |
| case VIDIOC_S_TUNER: |
| { |
| struct v4l2_tuner *vt = (struct v4l2_tuner *)arg; |
| |
| if (state->radio) /* TODO: add mono/stereo support for radio */ |
| break; |
| if (state->audmode == vt->audmode) |
| break; |
| state->audmode = vt->audmode; |
| /* only set audmode */ |
| msp_set_audmode(client); |
| break; |
| } |
| |
| case VIDIOC_INT_I2S_CLOCK_FREQ: |
| { |
| u32 *a = (u32 *)arg; |
| |
| v4l_dbg(1, msp_debug, client, "Setting I2S speed to %d\n", *a); |
| |
| switch (*a) { |
| case 1024000: |
| state->i2s_mode = 0; |
| break; |
| case 2048000: |
| state->i2s_mode = 1; |
| break; |
| default: |
| return -EINVAL; |
| } |
| break; |
| } |
| |
| case VIDIOC_QUERYCTRL: |
| { |
| struct v4l2_queryctrl *qc = arg; |
| |
| switch (qc->id) { |
| case V4L2_CID_AUDIO_VOLUME: |
| case V4L2_CID_AUDIO_MUTE: |
| return v4l2_ctrl_query_fill_std(qc); |
| default: |
| break; |
| } |
| if (!state->has_sound_processing) |
| return -EINVAL; |
| switch (qc->id) { |
| case V4L2_CID_AUDIO_LOUDNESS: |
| case V4L2_CID_AUDIO_BALANCE: |
| case V4L2_CID_AUDIO_BASS: |
| case V4L2_CID_AUDIO_TREBLE: |
| return v4l2_ctrl_query_fill_std(qc); |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| case VIDIOC_G_CTRL: |
| return msp_get_ctrl(client, arg); |
| |
| case VIDIOC_S_CTRL: |
| return msp_set_ctrl(client, arg); |
| |
| case VIDIOC_LOG_STATUS: |
| { |
| const char *p; |
| |
| if (state->opmode == OPMODE_AUTOSELECT) |
| msp_detect_stereo(client); |
| v4l_info(client, "%s rev1 = 0x%04x rev2 = 0x%04x\n", |
| client->name, state->rev1, state->rev2); |
| v4l_info(client, "Audio: volume %d%s\n", |
| state->volume, state->muted ? " (muted)" : ""); |
| if (state->has_sound_processing) { |
| v4l_info(client, "Audio: balance %d bass %d treble %d loudness %s\n", |
| state->balance, state->bass, |
| state->treble, |
| state->loudness ? "on" : "off"); |
| } |
| switch (state->mode) { |
| case MSP_MODE_AM_DETECT: p = "AM (for carrier detect)"; break; |
| case MSP_MODE_FM_RADIO: p = "FM Radio"; break; |
| case MSP_MODE_FM_TERRA: p = "Terrestial FM-mono/stereo"; break; |
| case MSP_MODE_FM_SAT: p = "Satellite FM-mono"; break; |
| case MSP_MODE_FM_NICAM1: p = "NICAM/FM (B/G, D/K)"; break; |
| case MSP_MODE_FM_NICAM2: p = "NICAM/FM (I)"; break; |
| case MSP_MODE_AM_NICAM: p = "NICAM/AM (L)"; break; |
| case MSP_MODE_BTSC: p = "BTSC"; break; |
| case MSP_MODE_EXTERN: p = "External input"; break; |
| default: p = "unknown"; break; |
| } |
| if (state->mode == MSP_MODE_EXTERN) { |
| v4l_info(client, "Mode: %s\n", p); |
| } else if (state->opmode == OPMODE_MANUAL) { |
| v4l_info(client, "Mode: %s (%s%s)\n", p, |
| (state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono", |
| (state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : ""); |
| } else { |
| if (state->opmode == OPMODE_AUTODETECT) |
| v4l_info(client, "Mode: %s\n", p); |
| v4l_info(client, "Standard: %s (%s%s)\n", |
| msp_standard_std_name(state->std), |
| (state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono", |
| (state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : ""); |
| } |
| v4l_info(client, "Audmode: 0x%04x\n", state->audmode); |
| v4l_info(client, "Routing: 0x%08x (input) 0x%08x (output)\n", |
| state->routing.input, state->routing.output); |
| v4l_info(client, "ACB: 0x%04x\n", state->acb); |
| break; |
| } |
| |
| case VIDIOC_G_CHIP_IDENT: |
| return v4l2_chip_ident_i2c_client(client, arg, state->ident, |
| (state->rev1 << 16) | state->rev2); |
| |
| default: |
| /* unknown */ |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int msp_suspend(struct i2c_client *client, pm_message_t state) |
| { |
| v4l_dbg(1, msp_debug, client, "suspend\n"); |
| msp_reset(client); |
| return 0; |
| } |
| |
| static int msp_resume(struct i2c_client *client) |
| { |
| v4l_dbg(1, msp_debug, client, "resume\n"); |
| msp_wake_thread(client); |
| return 0; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id) |
| { |
| struct msp_state *state; |
| int (*thread_func)(void *data) = NULL; |
| int msp_hard; |
| int msp_family; |
| int msp_revision; |
| int msp_product, msp_prod_hi, msp_prod_lo; |
| int msp_rom; |
| |
| snprintf(client->name, sizeof(client->name) - 1, "msp3400"); |
| |
| if (msp_reset(client) == -1) { |
| v4l_dbg(1, msp_debug, client, "msp3400 not found\n"); |
| return -ENODEV; |
| } |
| |
| state = kzalloc(sizeof(*state), GFP_KERNEL); |
| if (!state) |
| return -ENOMEM; |
| |
| i2c_set_clientdata(client, state); |
| |
| state->v4l2_std = V4L2_STD_NTSC; |
| state->audmode = V4L2_TUNER_MODE_STEREO; |
| state->volume = 58880; /* 0db gain */ |
| state->balance = 32768; /* 0db gain */ |
| state->bass = 32768; |
| state->treble = 32768; |
| state->loudness = 0; |
| state->input = -1; |
| state->muted = 0; |
| state->i2s_mode = 0; |
| init_waitqueue_head(&state->wq); |
| /* These are the reset input/output positions */ |
| state->routing.input = MSP_INPUT_DEFAULT; |
| state->routing.output = MSP_OUTPUT_DEFAULT; |
| |
| state->rev1 = msp_read_dsp(client, 0x1e); |
| if (state->rev1 != -1) |
| state->rev2 = msp_read_dsp(client, 0x1f); |
| v4l_dbg(1, msp_debug, client, "rev1=0x%04x, rev2=0x%04x\n", |
| state->rev1, state->rev2); |
| if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) { |
| v4l_dbg(1, msp_debug, client, |
| "not an msp3400 (cannot read chip version)\n"); |
| kfree(state); |
| return -ENODEV; |
| } |
| |
| msp_set_audio(client); |
| |
| msp_family = ((state->rev1 >> 4) & 0x0f) + 3; |
| msp_product = (state->rev2 >> 8) & 0xff; |
| msp_prod_hi = msp_product / 10; |
| msp_prod_lo = msp_product % 10; |
| msp_revision = (state->rev1 & 0x0f) + '@'; |
| msp_hard = ((state->rev1 >> 8) & 0xff) + '@'; |
| msp_rom = state->rev2 & 0x1f; |
| snprintf(client->name, sizeof(client->name), "MSP%d4%02d%c-%c%d", |
| msp_family, msp_product, |
| msp_revision, msp_hard, msp_rom); |
| /* Rev B=2, C=3, D=4, G=7 */ |
| state->ident = msp_family * 10000 + 4000 + msp_product * 10 + |
| msp_revision - '@'; |
| |
| /* Has NICAM support: all mspx41x and mspx45x products have NICAM */ |
| state->has_nicam = |
| msp_prod_hi == 1 || msp_prod_hi == 5; |
| /* Has radio support: was added with revision G */ |
| state->has_radio = |
| msp_revision >= 'G'; |
| /* Has headphones output: not for stripped down products */ |
| state->has_headphones = |
| msp_prod_lo < 5; |
| /* Has scart2 input: not in stripped down products of the '3' family */ |
| state->has_scart2 = |
| msp_family >= 4 || msp_prod_lo < 7; |
| /* Has scart3 input: not in stripped down products of the '3' family */ |
| state->has_scart3 = |
| msp_family >= 4 || msp_prod_lo < 5; |
| /* Has scart4 input: not in pre D revisions, not in stripped D revs */ |
| state->has_scart4 = |
| msp_family >= 4 || (msp_revision >= 'D' && msp_prod_lo < 5); |
| /* Has scart2 output: not in stripped down products of |
| * the '3' family */ |
| state->has_scart2_out = |
| msp_family >= 4 || msp_prod_lo < 5; |
| /* Has scart2 a volume control? Not in pre-D revisions. */ |
| state->has_scart2_out_volume = |
| msp_revision > 'C' && state->has_scart2_out; |
| /* Has a configurable i2s out? */ |
| state->has_i2s_conf = |
| msp_revision >= 'G' && msp_prod_lo < 7; |
| /* Has subwoofer output: not in pre-D revs and not in stripped down |
| * products */ |
| state->has_subwoofer = |
| msp_revision >= 'D' && msp_prod_lo < 5; |
| /* Has soundprocessing (bass/treble/balance/loudness/equalizer): |
| * not in stripped down products */ |
| state->has_sound_processing = |
| msp_prod_lo < 7; |
| /* Has Virtual Dolby Surround: only in msp34x1 */ |
| state->has_virtual_dolby_surround = |
| msp_revision == 'G' && msp_prod_lo == 1; |
| /* Has Virtual Dolby Surround & Dolby Pro Logic: only in msp34x2 */ |
| state->has_dolby_pro_logic = |
| msp_revision == 'G' && msp_prod_lo == 2; |
| /* The msp343xG supports BTSC only and cannot do Automatic Standard |
| * Detection. */ |
| state->force_btsc = |
| msp_family == 3 && msp_revision == 'G' && msp_prod_hi == 3; |
| |
| state->opmode = opmode; |
| if (state->opmode == OPMODE_AUTO) { |
| /* MSP revision G and up have both autodetect and autoselect */ |
| if (msp_revision >= 'G') |
| state->opmode = OPMODE_AUTOSELECT; |
| /* MSP revision D and up have autodetect */ |
| else if (msp_revision >= 'D') |
| state->opmode = OPMODE_AUTODETECT; |
| else |
| state->opmode = OPMODE_MANUAL; |
| } |
| |
| /* hello world :-) */ |
| v4l_info(client, "%s found @ 0x%x (%s)\n", client->name, |
| client->addr << 1, client->adapter->name); |
| v4l_info(client, "%s ", client->name); |
| if (state->has_nicam && state->has_radio) |
| printk(KERN_CONT "supports nicam and radio, "); |
| else if (state->has_nicam) |
| printk(KERN_CONT "supports nicam, "); |
| else if (state->has_radio) |
| printk(KERN_CONT "supports radio, "); |
| printk(KERN_CONT "mode is "); |
| |
| /* version-specific initialization */ |
| switch (state->opmode) { |
| case OPMODE_MANUAL: |
| printk(KERN_CONT "manual"); |
| thread_func = msp3400c_thread; |
| break; |
| case OPMODE_AUTODETECT: |
| printk(KERN_CONT "autodetect"); |
| thread_func = msp3410d_thread; |
| break; |
| case OPMODE_AUTOSELECT: |
| printk(KERN_CONT "autodetect and autoselect"); |
| thread_func = msp34xxg_thread; |
| break; |
| } |
| printk(KERN_CONT "\n"); |
| |
| /* startup control thread if needed */ |
| if (thread_func) { |
| state->kthread = kthread_run(thread_func, client, "msp34xx"); |
| |
| if (IS_ERR(state->kthread)) |
| v4l_warn(client, "kernel_thread() failed\n"); |
| msp_wake_thread(client); |
| } |
| return 0; |
| } |
| |
| static int msp_remove(struct i2c_client *client) |
| { |
| struct msp_state *state = i2c_get_clientdata(client); |
| |
| /* shutdown control thread */ |
| if (state->kthread) { |
| state->restart = 1; |
| kthread_stop(state->kthread); |
| } |
| msp_reset(client); |
| |
| kfree(state); |
| return 0; |
| } |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| static struct v4l2_i2c_driver_data v4l2_i2c_data = { |
| .name = "msp3400", |
| .driverid = I2C_DRIVERID_MSP3400, |
| .command = msp_command, |
| .probe = msp_probe, |
| .remove = msp_remove, |
| .suspend = msp_suspend, |
| .resume = msp_resume, |
| }; |
| |
| |
| /* |
| * Overrides for Emacs so that we follow Linus's tabbing style. |
| * --------------------------------------------------------------------------- |
| * Local variables: |
| * c-basic-offset: 8 |
| * End: |
| */ |