diff options
Diffstat (limited to 'drivers/media/video/msp3400-driver.c')
| -rw-r--r-- | drivers/media/video/msp3400-driver.c | 1057 |
1 files changed, 0 insertions, 1057 deletions
diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c deleted file mode 100644 index 4d7a9185211..00000000000 --- a/drivers/media/video/msp3400-driver.c +++ /dev/null @@ -1,1057 +0,0 @@ -/* - * 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/kthread.h> -#include <linux/freezer.h> -#include <linux/videodev2.h> -#include <media/v4l2-device.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-i2c-drv-legacy.h> -#include <media/msp3400.h> -#include <media/tvaudio.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 = to_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 = to_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 = to_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_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct msp_state *state = to_state(sd); - - 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_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - 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; -} - -#ifdef CONFIG_VIDEO_ALLOW_V4L1 -static long msp_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - switch (cmd) { - /* --- v4l ioctls --- */ - /* take care: bttv does userspace copying, we'll get a - kernel pointer here... */ - 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; - } - default: - return -ENOIOCTLCMD; - } - return 0; -} -#endif - -/* --- v4l2 ioctls --- */ -static int msp_s_radio(struct v4l2_subdev *sd) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - 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; - } - return 0; -} - -static int msp_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - /* new channel -- kick audio carrier scan */ - msp_wake_thread(client); - return 0; -} - -static int msp_s_std(struct v4l2_subdev *sd, v4l2_std_id id) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - int update = state->radio || state->v4l2_std != id; - - state->v4l2_std = id; - state->radio = 0; - if (update) - msp_wake_thread(client); - return 0; -} - -static int msp_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *rt) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - 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) - return 0; - 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); - return 0; -} - -static int msp_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - if (state->radio) - return 0; - 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; - return 0; -} - -static int msp_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - if (state->radio) /* TODO: add mono/stereo support for radio */ - return 0; - if (state->audmode == vt->audmode) - return 0; - state->audmode = vt->audmode; - /* only set audmode */ - msp_set_audmode(client); - return 0; -} - -static int msp_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - v4l_dbg(1, msp_debug, client, "Setting I2S speed to %d\n", freq); - - switch (freq) { - case 1024000: - state->i2s_mode = 0; - break; - case 2048000: - state->i2s_mode = 1; - break; - default: - return -EINVAL; - } - return 0; -} - -static int msp_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) -{ - struct msp_state *state = to_state(sd); - - 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; - } - return 0; -} - -static int msp_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - return v4l2_chip_ident_i2c_client(client, chip, state->ident, - (state->rev1 << 16) | state->rev2); -} - -static int msp_log_status(struct v4l2_subdev *sd) -{ - struct msp_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - 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); - 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_command(struct i2c_client *client, unsigned cmd, void *arg) -{ - return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg); -} - -/* ----------------------------------------------------------------------- */ - -static const struct v4l2_subdev_core_ops msp_core_ops = { - .log_status = msp_log_status, - .g_chip_ident = msp_g_chip_ident, - .g_ctrl = msp_g_ctrl, - .s_ctrl = msp_s_ctrl, - .queryctrl = msp_queryctrl, -#ifdef CONFIG_VIDEO_ALLOW_V4L1 - .ioctl = msp_ioctl, -#endif -}; - -static const struct v4l2_subdev_tuner_ops msp_tuner_ops = { - .s_frequency = msp_s_frequency, - .g_tuner = msp_g_tuner, - .s_tuner = msp_s_tuner, - .s_radio = msp_s_radio, - .s_std = msp_s_std, -}; - -static const struct v4l2_subdev_audio_ops msp_audio_ops = { - .s_routing = msp_s_routing, - .s_i2s_clock_freq = msp_s_i2s_clock_freq, -}; - -static const struct v4l2_subdev_ops msp_ops = { - .core = &msp_core_ops, - .tuner = &msp_tuner_ops, - .audio = &msp_audio_ops, -}; - -/* ----------------------------------------------------------------------- */ - -static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id) -{ - struct msp_state *state; - struct v4l2_subdev *sd; - 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; - - if (!id) - strlcpy(client->name, "msp3400", sizeof(client->name)); - - 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; - - sd = &state->sd; - v4l2_i2c_subdev_init(sd, client, &msp_ops); - - 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; - /* 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, "MSP%d4%02d%c-%c%d found @ 0x%x (%s)\n", - msp_family, msp_product, - msp_revision, msp_hard, msp_rom, - 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 = to_state(i2c_get_clientdata(client)); - - v4l2_device_unregister_subdev(&state->sd); - /* shutdown control thread */ - if (state->kthread) { - state->restart = 1; - kthread_stop(state->kthread); - } - msp_reset(client); - - kfree(state); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static const struct i2c_device_id msp_id[] = { - { "msp3400", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, msp_id); - -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, - .id_table = msp_id, -}; - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ |